diff options
Diffstat (limited to 'drivers/net/bnx2x.c')
| -rw-r--r-- | drivers/net/bnx2x.c | 9988 |
1 files changed, 0 insertions, 9988 deletions
diff --git a/drivers/net/bnx2x.c b/drivers/net/bnx2x.c deleted file mode 100644 index 70cba64732c..00000000000 --- a/drivers/net/bnx2x.c +++ /dev/null @@ -1,9988 +0,0 @@ -/* bnx2x.c: Broadcom Everest network driver. - * - * Copyright (c) 2007-2008 Broadcom Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation. - * - * Maintained by: Eilon Greenstein <eilong@broadcom.com> - * Written by: Eliezer Tamir - * Based on code from Michael Chan's bnx2 driver - * UDP CSUM errata workaround by Arik Gendelman - * Slowpath rework by Vladislav Zolotarov - * Statistics and Link management by Yitchak Gertner - * - */ - -/* define this to make the driver freeze on error - * to allow getting debug info - * (you will need to reboot afterwards) - */ -/*#define BNX2X_STOP_ON_ERROR*/ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/kernel.h> -#include <linux/device.h> /* for dev_info() */ -#include <linux/timer.h> -#include <linux/errno.h> -#include <linux/ioport.h> -#include <linux/slab.h> -#include <linux/vmalloc.h> -#include <linux/interrupt.h> -#include <linux/pci.h> -#include <linux/init.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/dma-mapping.h> -#include <linux/bitops.h> -#include <linux/irq.h> -#include <linux/delay.h> -#include <asm/byteorder.h> -#include <linux/time.h> -#include <linux/ethtool.h> -#include <linux/mii.h> -#ifdef NETIF_F_HW_VLAN_TX - #include <linux/if_vlan.h> - #define BCM_VLAN 1 -#endif -#include <net/ip.h> -#include <net/tcp.h> -#include <net/checksum.h> -#include <linux/workqueue.h> -#include <linux/crc32.h> -#include <linux/prefetch.h> -#include <linux/zlib.h> -#include <linux/version.h> -#include <linux/io.h> - -#include "bnx2x_reg.h" -#include "bnx2x_fw_defs.h" -#include "bnx2x_hsi.h" -#include "bnx2x.h" -#include "bnx2x_init.h" - -#define DRV_MODULE_VERSION "1.42.4" -#define DRV_MODULE_RELDATE "2008/4/9" -#define BNX2X_BC_VER 0x040200 - -/* Time in jiffies before concluding the transmitter is hung. */ -#define TX_TIMEOUT (5*HZ) - -static char version[] __devinitdata = - "Broadcom NetXtreme II 5771X 10Gigabit Ethernet Driver " - DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; - -MODULE_AUTHOR("Eliezer Tamir"); -MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver"); -MODULE_LICENSE("GPL"); -MODULE_VERSION(DRV_MODULE_VERSION); - -static int use_inta; -static int poll; -static int onefunc; -static int nomcp; -static int debug; -static int use_multi; - -module_param(use_inta, int, 0); -module_param(poll, int, 0); -module_param(onefunc, int, 0); -module_param(debug, int, 0); -MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X"); -MODULE_PARM_DESC(poll, "use polling (for debug)"); -MODULE_PARM_DESC(onefunc, "enable only first function"); -MODULE_PARM_DESC(nomcp, "ignore management CPU (Implies onefunc)"); -MODULE_PARM_DESC(debug, "default debug msglevel"); - -#ifdef BNX2X_MULTI -module_param(use_multi, int, 0); -MODULE_PARM_DESC(use_multi, "use per-CPU queues"); -#endif - -enum bnx2x_board_type { - BCM57710 = 0, -}; - -/* indexed by board_t, above */ -static struct { - char *name; -} board_info[] __devinitdata = { - { "Broadcom NetXtreme II BCM57710 XGb" } -}; - -static const struct pci_device_id bnx2x_pci_tbl[] = { - { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710, - PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 }, - { 0 } -}; - -MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl); - -/**************************************************************************** -* General service functions -****************************************************************************/ - -/* used only at init - * locking is done by mcp - */ -static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val) -{ - pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr); - pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val); - pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, - PCICFG_VENDOR_ID_OFFSET); -} - -#ifdef BNX2X_IND_RD -static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr) -{ - u32 val; - - pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr); - pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val); - pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, - PCICFG_VENDOR_ID_OFFSET); - - return val; -} -#endif - -static const u32 dmae_reg_go_c[] = { - DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3, - DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7, - DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11, - DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15 -}; - -/* copy command into DMAE command memory and set DMAE command go */ -static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, - int idx) -{ - u32 cmd_offset; - int i; - - cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx); - for (i = 0; i < (sizeof(struct dmae_command)/4); i++) { - REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i)); - -/* DP(NETIF_MSG_DMAE, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n", - idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i)); */ - } - REG_WR(bp, dmae_reg_go_c[idx], 1); -} - -static void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, - u32 dst_addr, u32 len32) -{ - struct dmae_command *dmae = &bp->dmae; - int port = bp->port; - u32 *wb_comp = bnx2x_sp(bp, wb_comp); - int timeout = 200; - - memset(dmae, 0, sizeof(struct dmae_command)); - - dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | - DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | - DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | -#ifdef __BIG_ENDIAN - DMAE_CMD_ENDIANITY_B_DW_SWAP | -#else - DMAE_CMD_ENDIANITY_DW_SWAP | -#endif - (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0)); - dmae->src_addr_lo = U64_LO(dma_addr); - dmae->src_addr_hi = U64_HI(dma_addr); - dmae->dst_addr_lo = dst_addr >> 2; - dmae->dst_addr_hi = 0; - dmae->len = len32; - dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp)); - dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp)); - dmae->comp_val = BNX2X_WB_COMP_VAL; - -/* - DP(NETIF_MSG_DMAE, "dmae: opcode 0x%08x\n" - DP_LEVEL "src_addr [%x:%08x] len [%d *4] " - "dst_addr [%x:%08x (%08x)]\n" - DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n", - dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo, - dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, dst_addr, - dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val); -*/ -/* - DP(NETIF_MSG_DMAE, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n", - bp->slowpath->wb_data[0], bp->slowpath->wb_data[1], - bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]); -*/ - - *wb_comp = 0; - - bnx2x_post_dmae(bp, dmae, port * 8); - - udelay(5); - /* adjust timeout for emulation/FPGA */ - if (CHIP_REV_IS_SLOW(bp)) - timeout *= 100; - while (*wb_comp != BNX2X_WB_COMP_VAL) { -/* DP(NETIF_MSG_DMAE, "wb_comp 0x%08x\n", *wb_comp); */ - udelay(5); - if (!timeout) { - BNX2X_ERR("dmae timeout!\n"); - break; - } - timeout--; - } -} - -#ifdef BNX2X_DMAE_RD -static void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32) -{ - struct dmae_command *dmae = &bp->dmae; - int port = bp->port; - u32 *wb_comp = bnx2x_sp(bp, wb_comp); - int timeout = 200; - - memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4); - memset(dmae, 0, sizeof(struct dmae_command)); - - dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | - DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | - DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | -#ifdef __BIG_ENDIAN - DMAE_CMD_ENDIANITY_B_DW_SWAP | -#else - DMAE_CMD_ENDIANITY_DW_SWAP | -#endif - (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0)); - dmae->src_addr_lo = src_addr >> 2; - dmae->src_addr_hi = 0; - dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data)); - dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data)); - dmae->len = len32; - dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp)); - dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp)); - dmae->comp_val = BNX2X_WB_COMP_VAL; - -/* - DP(NETIF_MSG_DMAE, "dmae: opcode 0x%08x\n" - DP_LEVEL "src_addr [%x:%08x] len [%d *4] " - "dst_addr [%x:%08x (%08x)]\n" - DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n", - dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo, - dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, src_addr, - dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val); -*/ - - *wb_comp = 0; - - bnx2x_post_dmae(bp, dmae, port * 8); - - udelay(5); - while (*wb_comp != BNX2X_WB_COMP_VAL) { - udelay(5); - if (!timeout) { - BNX2X_ERR("dmae timeout!\n"); - break; - } - timeout--; - } -/* - DP(NETIF_MSG_DMAE, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n", - bp->slowpath->wb_data[0], bp->slowpath->wb_data[1], - bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]); -*/ -} -#endif - -static int bnx2x_mc_assert(struct bnx2x *bp) -{ - int i, j, rc = 0; - char last_idx; - const char storm[] = {"XTCU"}; - const u32 intmem_base[] = { - BAR_XSTRORM_INTMEM, - BAR_TSTRORM_INTMEM, - BAR_CSTRORM_INTMEM, - BAR_USTRORM_INTMEM - }; - - /* Go through all instances of all SEMIs */ - for (i = 0; i < 4; i++) { - last_idx = REG_RD8(bp, XSTORM_ASSERT_LIST_INDEX_OFFSET + - intmem_base[i]); - if (last_idx) - BNX2X_LOG("DATA %cSTORM_ASSERT_LIST_INDEX 0x%x\n", - storm[i], last_idx); - - /* print the asserts */ - for (j = 0; j < STROM_ASSERT_ARRAY_SIZE; j++) { - u32 row0, row1, row2, row3; - - row0 = REG_RD(bp, XSTORM_ASSERT_LIST_OFFSET(j) + - intmem_base[i]); - row1 = REG_RD(bp, XSTORM_ASSERT_LIST_OFFSET(j) + 4 + - intmem_base[i]); - row2 = REG_RD(bp, XSTORM_ASSERT_LIST_OFFSET(j) + 8 + - intmem_base[i]); - row3 = REG_RD(bp, XSTORM_ASSERT_LIST_OFFSET(j) + 12 + - intmem_base[i]); - - if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) { - BNX2X_LOG("DATA %cSTORM_ASSERT_INDEX 0x%x =" - " 0x%08x 0x%08x 0x%08x 0x%08x\n", - storm[i], j, row3, row2, row1, row0); - rc++; - } else { - break; - } - } - } - return rc; -} - -static void bnx2x_fw_dump(struct bnx2x *bp) -{ - u32 mark, offset; - u32 data[9]; - int word; - - mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104); - mark = ((mark + 0x3) & ~0x3); - printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n" KERN_ERR, mark); - - for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) { - for (word = 0; word < 8; word++) - data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH + - offset + 4*word)); - data[8] = 0x0; - printk(KERN_CONT "%s", (char *)data); - } - for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) { - for (word = 0; word < 8; word++) - data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH + - offset + 4*word)); - data[8] = 0x0; - printk(KERN_CONT "%s", (char *)data); - } - printk("\n" KERN_ERR PFX "end of fw dump\n"); -} - -static void bnx2x_panic_dump(struct bnx2x *bp) -{ - int i; - u16 j, start, end; - - BNX2X_ERR("begin crash dump -----------------\n"); - - for_each_queue(bp, i) { - struct bnx2x_fastpath *fp = &bp->fp[i]; - struct eth_tx_db_data *hw_prods = fp->hw_tx_prods; - - BNX2X_ERR("queue[%d]: tx_pkt_prod(%x) tx_pkt_cons(%x)" - " tx_bd_prod(%x) tx_bd_cons(%x) *tx_cons_sb(%x)" - " *rx_cons_sb(%x) rx_comp_prod(%x)" - " rx_comp_cons(%x) fp_c_idx(%x) fp_u_idx(%x)" - " bd data(%x,%x)\n", - i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod, - fp->tx_bd_cons, *fp->tx_cons_sb, *fp->rx_cons_sb, - fp->rx_comp_prod, fp->rx_comp_cons, fp->fp_c_idx, - fp->fp_u_idx, hw_prods->packets_prod, - hw_prods->bds_prod); - - start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10); - end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245); - for (j = start; j < end; j++) { - struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j]; - - BNX2X_ERR("packet[%x]=[%p,%x]\n", j, - sw_bd->skb, sw_bd->first_bd); - } - - start = TX_BD(fp->tx_bd_cons - 10); - end = TX_BD(fp->tx_bd_cons + 254); - for (j = start; j < end; j++) { - u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j]; - - BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n", - j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]); - } - - start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10); - end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503); - for (j = start; j < end; j++) { - u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j]; - struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j]; - - BNX2X_ERR("rx_bd[%x]=[%x:%x] sw_bd=[%p]\n", - j, rx_bd[0], rx_bd[1], sw_bd->skb); - } - - start = RCQ_BD(fp->rx_comp_cons - 10); - end = RCQ_BD(fp->rx_comp_cons + 503); - for (j = start; j < end; j++) { - u32 *cqe = (u32 *)&fp->rx_comp_ring[j]; - - BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n", - j, cqe[0], cqe[1], cqe[2], cqe[3]); - } - } - - BNX2X_ERR("def_c_idx(%u) def_u_idx(%u) def_x_idx(%u)" - " def_t_idx(%u) def_att_idx(%u) attn_state(%u)" - " spq_prod_idx(%u)\n", - bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx, - bp->def_att_idx, bp->attn_state, bp->spq_prod_idx); - - - bnx2x_mc_assert(bp); - BNX2X_ERR("end crash dump -----------------\n"); - - bp->stats_state = STATS_STATE_DISABLE; - DP(BNX2X_MSG_STATS, "stats_state - DISABLE\n"); -} - -static void bnx2x_int_enable(struct bnx2x *bp) -{ - int port = bp->port; - u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0; - u32 val = REG_RD(bp, addr); - int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0; - - if (msix) { - val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0; - val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | - HC_CONFIG_0_REG_ATTN_BIT_EN_0); - } else { - val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 | - HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | - HC_CONFIG_0_REG_INT_LINE_EN_0 | - HC_CONFIG_0_REG_ATTN_BIT_EN_0); - - /* Errata A0.158 workaround */ - DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n", - val, port, addr, msix); - - REG_WR(bp, addr, val); - - val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0; - } - - DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n", - val, port, addr, msix); - - REG_WR(bp, addr, val); -} - -static void bnx2x_int_disable(struct bnx2x *bp) -{ - int port = bp->port; - u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0; - u32 val = REG_RD(bp, addr); - - val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 | - HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | - HC_CONFIG_0_REG_INT_LINE_EN_0 | - HC_CONFIG_0_REG_ATTN_BIT_EN_0); - - DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n", - val, port, addr); - - REG_WR(bp, addr, val); - if (REG_RD(bp, addr) != val) - BNX2X_ERR("BUG! proper val not read from IGU!\n"); -} - -static void bnx2x_int_disable_sync(struct bnx2x *bp) -{ - - int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0; - int i; - - atomic_inc(&bp->intr_sem); - /* prevent the HW from sending interrupts */ - bnx2x_int_disable(bp); - - /* make sure all ISRs are done */ - if (msix) { - for_each_queue(bp, i) - synchronize_irq(bp->msix_table[i].vector); - - /* one more for the Slow Path IRQ */ - synchronize_irq(bp->msix_table[i].vector); - } else - synchronize_irq(bp->pdev->irq); - - /* make sure sp_task is not running */ - cancel_work_sync(&bp->sp_task); - -} - -/* fast path code */ - -/* - * general service functions - */ - -static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 id, - u8 storm, u16 index, u8 op, u8 update) -{ - u32 igu_addr = (IGU_ADDR_INT_ACK + IGU_PORT_BASE * bp->port) * 8; - struct igu_ack_register igu_ack; - - igu_ack.status_block_index = index; - igu_ack.sb_id_and_flags = - ((id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) | - (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) | - (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) | - (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT)); - -/* DP(NETIF_MSG_INTR, "write 0x%08x to IGU addr 0x%x\n", - (*(u32 *)&igu_ack), BAR_IGU_INTMEM + igu_addr); */ - REG_WR(bp, BAR_IGU_INTMEM + igu_addr, (*(u32 *)&igu_ack)); -} - -static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp) -{ - struct host_status_block *fpsb = fp->status_blk; - u16 rc = 0; - - barrier(); /* status block is written to by the chip */ - if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) { - fp->fp_c_idx = fpsb->c_status_block.status_block_index; - rc |= 1; - } - if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) { - fp->fp_u_idx = fpsb->u_status_block.status_block_index; - rc |= 2; - } - return rc; -} - -static inline int bnx2x_has_work(struct bnx2x_fastpath *fp) -{ - u16 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb); - - if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT) - rx_cons_sb++; - - if ((rx_cons_sb != fp->rx_comp_cons) || - (le16_to_cpu(*fp->tx_cons_sb) != fp->tx_pkt_cons)) - return 1; - - return 0; -} - -static u16 bnx2x_ack_int(struct bnx2x *bp) -{ - u32 igu_addr = (IGU_ADDR_SIMD_MASK + IGU_PORT_BASE * bp->port) * 8; - u32 result = REG_RD(bp, BAR_IGU_INTMEM + igu_addr); - -/* DP(NETIF_MSG_INTR, "read 0x%08x from IGU addr 0x%x\n", - result, BAR_IGU_INTMEM + igu_addr); */ - -#ifdef IGU_DEBUG -#warning IGU_DEBUG active - if (result == 0) { - BNX2X_ERR("read %x from IGU\n", result); - REG_WR(bp, TM_REG_TIMER_SOFT_RST, 0); - } -#endif - return result; -} - - -/* - * fast path service functions - */ - -/* free skb in the packet ring at pos idx - * return idx of last bd freed - */ -static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp, - u16 idx) -{ - struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx]; - struct eth_tx_bd *tx_bd; - struct sk_buff *skb = tx_buf->skb; - u16 bd_idx = tx_buf->first_bd; - int nbd; - - DP(BNX2X_MSG_OFF, "pkt_idx %d buff @(%p)->skb %p\n", - idx, tx_buf, skb); - - /* unmap first bd */ - DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx); - tx_bd = &fp->tx_desc_ring[bd_idx]; - pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd), - BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE); - - nbd = le16_to_cpu(tx_bd->nbd) - 1; -#ifdef BNX2X_STOP_ON_ERROR - if (nbd > (MAX_SKB_FRAGS + 2)) { - BNX2X_ERR("bad nbd!\n"); - bnx2x_panic(); - } -#endif - - /* Skip a parse bd and the TSO split header bd - since they have no mapping */ - if (nbd) - bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); - - if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM | - ETH_TX_BD_FLAGS_TCP_CSUM | - ETH_TX_BD_FLAGS_SW_LSO)) { - if (--nbd) - bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); - tx_bd = &fp->tx_desc_ring[bd_idx]; - /* is this a TSO split header bd? */ - if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) { - if (--nbd) - bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); - } - } - - /* now free frags */ - while (nbd > 0) { - - DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx); - tx_bd = &fp->tx_desc_ring[bd_idx]; - pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd), - BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE); - if (--nbd) - bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); - } - - /* release skb */ - BUG_TRAP(skb); - dev_kfree_skb(skb); - tx_buf->first_bd = 0; - tx_buf->skb = NULL; - - return bd_idx; -} - -static inline u32 bnx2x_tx_avail(struct bnx2x_fastpath *fp) -{ - u16 used; - u32 prod; - u32 cons; - - /* Tell compiler that prod and cons can change */ - barrier(); - prod = fp->tx_bd_prod; - cons = fp->tx_bd_cons; - - used = (NUM_TX_BD - NUM_TX_RINGS + prod - cons + - (cons / TX_DESC_CNT) - (prod / TX_DESC_CNT)); - - if (prod >= cons) { - /* used = prod - cons - prod/size + cons/size */ - used -= NUM_TX_BD - NUM_TX_RINGS; - } - - BUG_TRAP(used <= fp->bp->tx_ring_size); - BUG_TRAP((fp->bp->tx_ring_size - used) <= MAX_TX_AVAIL); - - return (fp->bp->tx_ring_size - used); -} - -static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work) -{ - struct bnx2x *bp = fp->bp; - u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons; - int done = 0; - -#ifdef BNX2X_STOP_ON_ERROR - if (unlikely(bp->panic)) - return; -#endif - - hw_cons = le16_to_cpu(*fp->tx_cons_sb); - sw_cons = fp->tx_pkt_cons; - - while (sw_cons != hw_cons) { - u16 pkt_cons; - - pkt_cons = TX_BD(sw_cons); - - /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */ - - DP(NETIF_MSG_TX_DONE, "hw_cons %u sw_cons %u pkt_cons %d\n", - hw_cons, sw_cons, pkt_cons); - -/* if (NEXT_TX_IDX(sw_cons) != hw_cons) { - rmb(); - prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb); - } -*/ - bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons); - sw_cons++; - done++; - - if (done == work) - break; - } - - fp->tx_pkt_cons = sw_cons; - fp->tx_bd_cons = bd_cons; - - /* Need to make the tx_cons update visible to start_xmit() - * before checking for netif_queue_stopped(). Without the - * memory barrier, there is a small possibility that start_xmit() - * will miss it and cause the queue to be stopped forever. - */ - smp_mb(); - - /* TBD need a thresh? */ - if (unlikely(netif_queue_stopped(bp->dev))) { - - netif_tx_lock(bp->dev); - - if (netif_queue_stopped(bp->dev) && - (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)) - netif_wake_queue(bp->dev); - - netif_tx_unlock(bp->dev); - - } -} - -static void bnx2x_sp_event(struct bnx2x_fastpath *fp, - union eth_rx_cqe *rr_cqe) -{ - struct bnx2x *bp = fp->bp; - int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data); - int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data); - - DP(NETIF_MSG_RX_STATUS, - "fp %d cid %d got ramrod #%d state is %x type is %d\n", - fp->index, cid, command, bp->state, rr_cqe->ramrod_cqe.type); - - bp->spq_left++; - - if (fp->index) { - switch (command | fp->state) { - case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | - BNX2X_FP_STATE_OPENING): - DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", - cid); - fp->state = BNX2X_FP_STATE_OPEN; - break; - - case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING): - DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", - cid); - fp->state = BNX2X_FP_STATE_HALTED; - break; - - default: - BNX2X_ERR("unexpected MC reply(%d) state is %x\n", - command, fp->state); - } - mb(); /* force bnx2x_wait_ramrod to see the change */ - return; - } - - switch (command | bp->state) { - case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT): - DP(NETIF_MSG_IFUP, "got setup ramrod\n"); - bp->state = BNX2X_STATE_OPEN; - break; - - case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT): - DP(NETIF_MSG_IFDOWN, "got halt ramrod\n"); - bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE; - fp->state = BNX2X_FP_STATE_HALTED; - break; - - case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT): - DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", - cid); - bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED; - break; - - case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN): - DP(NETIF_MSG_IFUP, "got set mac ramrod\n"); - break; - - case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT): - DP(NETIF_MSG_IFUP, "got (un)set mac ramrod\n"); - break; - - default: - BNX2X_ERR("unexpected ramrod (%d) state is %x\n", - command, bp->state); - } - - mb(); /* force bnx2x_wait_ramrod to see the change */ -} - -static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp, - struct bnx2x_fastpath *fp, u16 index) -{ - struct sk_buff *skb; - struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index]; - struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index]; - dma_addr_t mapping; - - skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size); - if (unlikely(skb == NULL)) - return -ENOMEM; - - mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size, - PCI_DMA_FROMDEVICE); - if (unlikely(dma_mapping_error(mapping))) { - - dev_kfree_skb(skb); - return -ENOMEM; - } - - rx_buf->skb = skb; - pci_unmap_addr_set(rx_buf, mapping, mapping); - - rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); - rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); - - return 0; -} - -/* note that we are not allocating a new skb, - * we are just moving one from cons to prod - * we are not creating a new mapping, - * so there is no need to check for dma_mapping_error(). - */ -static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp, - struct sk_buff *skb, u16 cons, u16 prod) -{ - struct bnx2x *bp = fp->bp; - struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons]; - struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod]; - struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons]; - struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod]; - - pci_dma_sync_single_for_device(bp->pdev, - pci_unmap_addr(cons_rx_buf, mapping), - bp->rx_offset + RX_COPY_THRESH, - PCI_DMA_FROMDEVICE); - - prod_rx_buf->skb = cons_rx_buf->skb; - pci_unmap_addr_set(prod_rx_buf, mapping, - pci_unmap_addr(cons_rx_buf, mapping)); - *prod_bd = *cons_bd; -} - -static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget) -{ - struct bnx2x *bp = fp->bp; - u16 bd_cons, bd_prod, comp_ring_cons; - u16 hw_comp_cons, sw_comp_cons, sw_comp_prod; - int rx_pkt = 0; - -#ifdef BNX2X_STOP_ON_ERROR - if (unlikely(bp->panic)) - return 0; -#endif - - hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb); - if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT) - hw_comp_cons++; - - bd_cons = fp->rx_bd_cons; - bd_prod = fp->rx_bd_prod; - sw_comp_cons = fp->rx_comp_cons; - sw_comp_prod = fp->rx_comp_prod; - - /* Memory barrier necessary as speculative reads of the rx - * buffer can be ahead of the index in the status block - */ - rmb(); - - DP(NETIF_MSG_RX_STATUS, - "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n", - fp->index, hw_comp_cons, sw_comp_cons); - - while (sw_comp_cons != hw_comp_cons) { - unsigned int len, pad; - struct sw_rx_bd *rx_buf; - struct sk_buff *skb; - union eth_rx_cqe *cqe; - - comp_ring_cons = RCQ_BD(sw_comp_cons); - bd_prod = RX_BD(bd_prod); - bd_cons = RX_BD(bd_cons); - - cqe = &fp->rx_comp_ring[comp_ring_cons]; - - DP(NETIF_MSG_RX_STATUS, "hw_comp_cons %u sw_comp_cons %u" - " comp_ring (%u) bd_ring (%u,%u)\n", - hw_comp_cons, sw_comp_cons, - comp_ring_cons, bd_prod, bd_cons); - DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x" - " queue %x vlan %x len %x\n", - cqe->fast_path_cqe.type, - cqe->fast_path_cqe.error_type_flags, - cqe->fast_path_cqe.status_flags, - cqe->fast_path_cqe.rss_hash_result, - cqe->fast_path_cqe.vlan_tag, cqe->fast_path_cqe.pkt_len); - - /* is this a slowpath msg? */ - if (unlikely(cqe->fast_path_cqe.type)) { - bnx2x_sp_event(fp, cqe); - goto next_cqe; - - /* this is an rx packet */ - } else { - rx_buf = &fp->rx_buf_ring[bd_cons]; - skb = rx_buf->skb; - - len = le16_to_cpu(cqe->fast_path_cqe.pkt_len); - pad = cqe->fast_path_cqe.placement_offset; - - pci_dma_sync_single_for_device(bp->pdev, - pci_unmap_addr(rx_buf, mapping), - pad + RX_COPY_THRESH, - PCI_DMA_FROMDEVICE); - prefetch(skb); - prefetch(((char *)(skb)) + 128); - - /* is this an error packet? */ - if (unlikely(cqe->fast_path_cqe.error_type_flags & - ETH_RX_ERROR_FALGS)) { - /* do we sometimes forward error packets anyway? */ - DP(NETIF_MSG_RX_ERR, - "ERROR flags(%u) Rx packet(%u)\n", - cqe->fast_path_cqe.error_type_flags, - sw_comp_cons); - /* TBD make sure MC counts this as a drop */ - goto reuse_rx; - } - - /* Since we don't have a jumbo ring - * copy small packets if mtu > 1500 - */ - if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) && - (len <= RX_COPY_THRESH)) { - struct sk_buff *new_skb; - - new_skb = netdev_alloc_skb(bp->dev, - len + pad); - if (new_skb == NULL) { - DP(NETIF_MSG_RX_ERR, - "ERROR packet dropped " - "because of alloc failure\n"); - /* TBD count this as a drop? */ - goto reuse_rx; - } - - /* aligned copy */ - skb_copy_from_linear_data_offset(skb, pad, - new_skb->data + pad, len); - skb_reserve(new_skb, pad); - skb_put(new_skb, len); - - bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod); - - skb = new_skb; - - } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) { - pci_unmap_single(bp->pdev, - pci_unmap_addr(rx_buf, mapping), - bp->rx_buf_use_size, - PCI_DMA_FROMDEVICE); - skb_reserve(skb, pad); - skb_put(skb, len); - - } else { - DP(NETIF_MSG_RX_ERR, - "ERROR packet dropped because " - "of alloc failure\n"); -reuse_rx: - bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod); - goto next_rx; - } - - skb->protocol = eth_type_trans(skb, bp->dev); - - skb->ip_summed = CHECKSUM_NONE; - if (bp->rx_csum && BNX2X_RX_SUM_OK(cqe)) - skb->ip_summed = CHECKSUM_UNNECESSARY; - - /* TBD do we pass bad csum packets in promisc */ - } - -#ifdef BCM_VLAN - if ((le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) - & PARSING_FLAGS_NUMBER_OF_NESTED_VLANS) - && (bp->vlgrp != NULL)) - vlan_hwaccel_receive_skb(skb, bp->vlgrp, - le16_to_cpu(cqe->fast_path_cqe.vlan_tag)); - else -#endif - netif_receive_skb(skb); - - bp->dev->last_rx = jiffies; - -next_rx: - rx_buf->skb = NULL; - - bd_cons = NEXT_RX_IDX(bd_cons); - bd_prod = NEXT_RX_IDX(bd_prod); -next_cqe: - sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod); - sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons); - rx_pkt++; - - if ((rx_pkt == budget)) - break; - } /* while */ - - fp->rx_bd_cons = bd_cons; - fp->rx_bd_prod = bd_prod; - fp->rx_comp_cons = sw_comp_cons; - fp->rx_comp_prod = sw_comp_prod; - - REG_WR(bp, BAR_TSTRORM_INTMEM + - TSTORM_RCQ_PROD_OFFSET(bp->port, fp->index), sw_comp_prod); - - mmiowb(); /* keep prod updates ordered */ - - fp->rx_pkt += rx_pkt; - fp->rx_calls++; - - return rx_pkt; -} - -static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie) -{ - struct bnx2x_fastpath *fp = fp_cookie; - struct bnx2x *bp = fp->bp; - struct net_device *dev = bp->dev; - int index = fp->index; - - DP(NETIF_MSG_INTR, "got an msix interrupt on [%d]\n", index); - bnx2x_ack_sb(bp, index, USTORM_ID, 0, IGU_INT_DISABLE, 0); - -#ifdef BNX2X_STOP_ON_ERROR - if (unlikely(bp->panic)) - return IRQ_HANDLED; -#endif - - prefetch(fp->rx_cons_sb); - prefetch(fp->tx_cons_sb); - prefetch(&fp->status_blk->c_status_block.status_block_index); - prefetch(&fp->status_blk->u_status_block.status_block_index); - - netif_rx_schedule(dev, &bnx2x_fp(bp, index, napi)); - return IRQ_HANDLED; -} - -static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance) -{ - struct net_device *dev = dev_instance; - struct bnx2x *bp = netdev_priv(dev); - u16 status = bnx2x_ack_int(bp); - - if (unlikely(status == 0)) { - DP(NETIF_MSG_INTR, "not our interrupt!\n"); - return IRQ_NONE; - } - - DP(NETIF_MSG_INTR, "got an interrupt status is %u\n", status); - -#ifdef BNX2X_STOP_ON_ERROR - if (unlikely(bp->panic)) - return IRQ_HANDLED; -#endif - - /* Return here if interrupt is shared and is disabled */ - if (unlikely(atomic_read(&bp->intr_sem) != 0)) { - DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n"); - return IRQ_HANDLED; - } - - if (status & 0x2) { - struct bnx2x_fastpath *fp = &bp->fp[0]; - - prefetch(fp->rx_cons_sb); - prefetch(fp->tx_cons_sb); - prefetch(&fp->status_blk->c_status_block.status_block_index); - prefetch(&fp->status_blk->u_status_block.status_block_index); - - netif_rx_schedule(dev, &bnx2x_fp(bp, 0, napi)); - - status &= ~0x2; - if (!status) - return IRQ_HANDLED; - } - - if (unlikely(status & 0x1)) { - - schedule_work(&bp->sp_task); - - status &= ~0x1; - if (!status) - return IRQ_HANDLED; - } - - DP(NETIF_MSG_INTR, "got an unknown interrupt! (status is %u)\n", - status); - - return IRQ_HANDLED; -} - -/* end of fast path */ - -/* PHY/MAC */ - -/* - * General service functions - */ - -static void bnx2x_leds_set(struct bnx2x *bp, unsigned int speed) -{ - int port = bp->port; - - NIG_WR(NIG_REG_LED_MODE_P0 + port*4, - ((bp->hw_config & SHARED_HW_CFG_LED_MODE_MASK) >> - SHARED_HW_CFG_LED_MODE_SHIFT)); - NIG_WR(NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0); - - /* Set blinking rate to ~15.9Hz */ - NIG_WR(NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4, - LED_BLINK_RATE_VAL); - NIG_WR(NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 + port*4, 1); - - /* On Ax chip versions for speeds less than 10G - LED scheme is different */ - if ((CHIP_REV(bp) == CHIP_REV_Ax) && (speed < SPEED_10000)) { - NIG_WR(NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 1); - NIG_WR(NIG_REG_LED_CONTROL_TRAFFIC_P0 + port*4, 0); - NIG_WR(NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 + port*4, 1); - } -} - -static void bnx2x_leds_unset(struct bnx2x *bp) -{ - int port = bp->port; - - NIG_WR(NIG_REG_LED_10G_P0 + port*4, 0); - NIG_WR(NIG_REG_LED_MODE_P0 + port*4, SHARED_HW_CFG_LED_MAC1); -} - -static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits) -{ - u32 val = REG_RD(bp, reg); - - val |= bits; - REG_WR(bp, reg, val); - return val; -} - -static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits) -{ - u32 val = REG_RD(bp, reg); - - val &= ~bits; - REG_WR(bp, reg, val); - return val; -} - -static int bnx2x_hw_lock(struct bnx2x *bp, u32 resource) -{ - u32 cnt; - u32 lock_status; - u32 resource_bit = (1 << resource); - u8 func = bp->port; - - /* Validating that the resource is within range */ - if (resource > HW_LOCK_MAX_RESOURCE_VALUE) { - DP(NETIF_MSG_HW, - "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n", - resource, HW_LOCK_MAX_RESOURCE_VALUE); - return -EINVAL; - } - - /* Validating that the resource is not already taken */ - lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + func*8); - if (lock_status & resource_bit) { - DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n", - lock_status, resource_bit); - return -EEXIST; - } - - /* Try for 1 second every 5ms */ - for (cnt = 0; cnt < 200; cnt++) { - /* Try to acquire the lock */ - REG_WR(bp, MISC_REG_DRIVER_CONTROL_1 + func*8 + 4, - resource_bit); - lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + func*8); - if (lock_status & resource_bit) - return 0; - - msleep(5); - } - DP(NETIF_MSG_HW, "Timeout\n"); - return -EAGAIN; -} - -static int bnx2x_hw_unlock(struct bnx2x *bp, u32 resource) -{ - u32 lock_status; - u32 resource_bit = (1 << resource); - u8 func = bp->port; - - /* Validating that the resource is within range */ - if (resource > HW_LOCK_MAX_RESOURCE_VALUE) { - DP(NETIF_MSG_HW, - "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n", - resource, HW_LOCK_MAX_RESOURCE_VALUE); - return -EINVAL; - } - - /* Validating that the resource is currently taken */ - lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + func*8); - if (!(lock_status & resource_bit)) { - DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n", - lock_status, resource_bit); - return -EFAULT; - } - - REG_WR(bp, MISC_REG_DRIVER_CONTROL_1 + func*8, resource_bit); - return 0; -} - -static int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode) -{ - /* The GPIO should be swapped if swap register is set and active */ - int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) && - REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ bp->port; - int gpio_shift = gpio_num + - (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0); - u32 gpio_mask = (1 << gpio_shift); - u32 gpio_reg; - - if (gpio_num > MISC_REGISTERS_GPIO_3) { - BNX2X_ERR("Invalid GPIO %d\n", gpio_num); - return -EINVAL; - } - - bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_GPIO); - /* read GPIO and mask except the float bits */ - gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT); - - switch (mode) { - case MISC_REGISTERS_GPIO_OUTPUT_LOW: - DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n", - gpio_num, gpio_shift); - /* clear FLOAT and set CLR */ - gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS); - gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS); - break; - - case MISC_REGISTERS_GPIO_OUTPUT_HIGH: - DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n", - gpio_num, gpio_shift); - /* clear FLOAT and set SET */ - gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS); - gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS); - break; - - case MISC_REGISTERS_GPIO_INPUT_HI_Z : - DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n", - gpio_num, gpio_shift); - /* set FLOAT */ - gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS); - break; - - default: - break; - } - - REG_WR(bp, MISC_REG_GPIO, gpio_reg); - bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_GPIO); - - return 0; -} - -static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode) -{ - u32 spio_mask = (1 << spio_num); - u32 spio_reg; - - if ((spio_num < MISC_REGISTERS_SPIO_4) || - (spio_num > MISC_REGISTERS_SPIO_7)) { - BNX2X_ERR("Invalid SPIO %d\n", spio_num); - return -EINVAL; - } - - bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_SPIO); - /* read SPIO and mask except the float bits */ - spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT); - - switch (mode) { - case MISC_REGISTERS_SPIO_OUTPUT_LOW : - DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num); - /* clear FLOAT and set CLR */ - spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS); - spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS); - break; - - case MISC_REGISTERS_SPIO_OUTPUT_HIGH : - DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num); - /* clear FLOAT and set SET */ - spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS); - spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS); - break; - - case MISC_REGISTERS_SPIO_INPUT_HI_Z: - DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num); - /* set FLOAT */ - spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS); - break; - - default: - break; - } - - REG_WR(bp, MISC_REG_SPIO, spio_reg); - bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_SPIO); - - return 0; -} - -static int bnx2x_mdio22_write(struct bnx2x *bp, u32 reg, u32 val) -{ - int port = bp->port; - u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; - u32 tmp; - int i, rc; - -/* DP(NETIF_MSG_HW, "phy_addr 0x%x reg 0x%x val 0x%08x\n", - bp->phy_addr, reg, val); */ - - if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) { - - tmp = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); - tmp &= ~EMAC_MDIO_MODE_AUTO_POLL; - EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, tmp); - REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); - udelay(40); - } - - tmp = ((bp->phy_addr << 21) | (reg << 16) | - (val & EMAC_MDIO_COMM_DATA) | - EMAC_MDIO_COMM_COMMAND_WRITE_22 | - EMAC_MDIO_COMM_START_BUSY); - EMAC_WR(EMAC_REG_EMAC_MDIO_COMM, tmp); - - for (i = 0; i < 50; i++) { - udelay(10); - - tmp = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM); - if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { - udelay(5); - break; - } - } - - if (tmp & EMAC_MDIO_COMM_START_BUSY) { - BNX2X_ERR("write phy register failed\n"); - - rc = -EBUSY; - } else { - rc = 0; - } - - if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) { - - tmp = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); - tmp |= EMAC_MDIO_MODE_AUTO_POLL; - EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, tmp); - } - - return rc; -} - -static int bnx2x_mdio22_read(struct bnx2x *bp, u32 reg, u32 *ret_val) -{ - int port = bp->port; - u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; - u32 val; - int i, rc; - - if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) { - - val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); - val &= ~EMAC_MDIO_MODE_AUTO_POLL; - EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, val); - REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); - udelay(40); - } - - val = ((bp->phy_addr << 21) | (reg << 16) | - EMAC_MDIO_COMM_COMMAND_READ_22 | - EMAC_MDIO_COMM_START_BUSY); - EMAC_WR(EMAC_REG_EMAC_MDIO_COMM, val); - - for (i = 0; i < 50; i++) { - udelay(10); - - val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM); - if (!(val & EMAC_MDIO_COMM_START_BUSY)) { - val &= EMAC_MDIO_COMM_DATA; - break; - } - } - - if (val & EMAC_MDIO_COMM_START_BUSY) { - BNX2X_ERR("read phy register failed\n"); - - *ret_val = 0x0; - rc = -EBUSY; - } else { - *ret_val = val; - rc = 0; - } - - if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) { - - val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); - val |= EMAC_MDIO_MODE_AUTO_POLL; - EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, val); - } - -/* DP(NETIF_MSG_HW, "phy_addr 0x%x reg 0x%x ret_val 0x%08x\n", - bp->phy_addr, reg, *ret_val); */ - - return rc; -} - -static int bnx2x_mdio45_ctrl_write(struct bnx2x *bp, u32 mdio_ctrl, - u32 phy_addr, u32 reg, u32 addr, u32 val) -{ - u32 tmp; - int i, rc = 0; - - /* set clause 45 mode, slow down the MDIO clock to 2.5MHz - * (a value of 49==0x31) and make sure that the AUTO poll is off - */ - tmp = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); - tmp &= ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT); - tmp |= (EMAC_MDIO_MODE_CLAUSE_45 | - (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT)); - REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp); - REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); - udelay(40); - - /* address */ - tmp = ((phy_addr << 21) | (reg << 16) | addr | - EMAC_MDIO_COMM_COMMAND_ADDRESS | - EMAC_MDIO_COMM_START_BUSY); - REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); - - for (i = 0; i < 50; i++) { - udelay(10); - - tmp = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); - if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { - udelay(5); - break; - } - } - if (tmp & EMAC_MDIO_COMM_START_BUSY) { - BNX2X_ERR("write phy register failed\n"); - - rc = -EBUSY; - - } else { - /* data */ - tmp = ((phy_addr << 21) | (reg << 16) | val | - EMAC_MDIO_COMM_COMMAND_WRITE_45 | - EMAC_MDIO_COMM_START_BUSY); - REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); - - for (i = 0; i < 50; i++) { - udelay(10); - - tmp = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); - if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { - udelay(5); - break; - } - } - - if (tmp & EMAC_MDIO_COMM_START_BUSY) { - BNX2X_ERR("write phy register failed\n"); - - rc = -EBUSY; - } - } - - /* unset clause 45 mode, set the MDIO clock to a faster value - * (0x13 => 6.25Mhz) and restore the AUTO poll if needed - */ - tmp = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); - tmp &= ~(EMAC_MDIO_MODE_CLAUSE_45 | EMAC_MDIO_MODE_CLOCK_CNT); - tmp |= (0x13 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT); - if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) - tmp |= EMAC_MDIO_MODE_AUTO_POLL; - REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp); - - return rc; -} - -static int bnx2x_mdio45_write(struct bnx2x *bp, u32 phy_addr, u32 reg, - u32 addr, u32 val) -{ - u32 emac_base = bp->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; - - return bnx2x_mdio45_ctrl_write(bp, emac_base, phy_addr, - reg, addr, val); -} - -static int bnx2x_mdio45_ctrl_read(struct bnx2x *bp, u32 mdio_ctrl, - u32 phy_addr, u32 reg, u32 addr, - u32 *ret_val) -{ - u32 val; - int i, rc = 0; - - /* set clause 45 mode, slow down the MDIO clock to 2.5MHz - * (a value of 49==0x31) and make sure that the AUTO poll is off - */ - val = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); - val &= ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT); - val |= (EMAC_MDIO_MODE_CLAUSE_45 | - (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT)); - REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val); - REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); - udelay(40); - - /* address */ - val = ((phy_addr << 21) | (reg << 16) | addr | - EMAC_MDIO_COMM_COMMAND_ADDRESS | - EMAC_MDIO_COMM_START_BUSY); - REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); - - for (i = 0; i < 50; i++) { - udelay(10); - - val = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); - if (!(val & EMAC_MDIO_COMM_START_BUSY)) { - udelay(5); - break; - } - } - if (val & EMAC_MDIO_COMM_START_BUSY) { - BNX2X_ERR("read phy register failed\n"); - - *ret_val = 0; - rc = -EBUSY; - - } else { - /* data */ - val = ((phy_addr << 21) | (reg << 16) | - EMAC_MDIO_COMM_COMMAND_READ_45 | - EMAC_MDIO_COMM_START_BUSY); - REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); - - for (i = 0; i < 50; i++) { - udelay(10); - - val = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); - if (!(val & EMAC_MDIO_COMM_START_BUSY)) { - val &= EMAC_MDIO_COMM_DATA; - break; - } - } - - if (val & EMAC_MDIO_COMM_START_BUSY) { - BNX2X_ERR("read phy register failed\n"); - - val = 0; - rc = -EBUSY; - } - - *ret_val = val; - } - - /* unset clause 45 mode, set the MDIO clock to a faster value - * (0x13 => 6.25Mhz) and restore the AUTO poll if needed - */ - val = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); - val &= ~(EMAC_MDIO_MODE_CLAUSE_45 | EMAC_MDIO_MODE_CLOCK_CNT); - val |= (0x13 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT); - if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) - val |= EMAC_MDIO_MODE_AUTO_POLL; - REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val); - - return rc; -} - -static int bnx2x_mdio45_read(struct bnx2x *bp, u32 phy_addr, u32 reg, - u32 addr, u32 *ret_val) -{ - u32 emac_base = bp->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; - - return bnx2x_mdio45_ctrl_read(bp, emac_base, phy_addr, - reg, addr, ret_val); -} - -static int bnx2x_mdio45_vwrite(struct bnx2x *bp, u32 phy_addr, u32 reg, - u32 addr, u32 val) -{ - int i; - u32 rd_val; - - might_sleep(); - for (i = 0; i < 10; i++) { - bnx2x_mdio45_write(bp, phy_addr, reg, addr, val); - msleep(5); - bnx2x_mdio45_read(bp, phy_addr, reg, addr, &rd_val); - /* if the read value is not the same as the value we wrote, - we should write it again */ - if (rd_val == val) - return 0; - } - BNX2X_ERR("MDIO write in CL45 failed\n"); - return -EBUSY; -} - -/* - * link management - */ - -static void bnx2x_pause_resolve(struct bnx2x *bp, u32 pause_result) -{ - switch (pause_result) { /* ASYM P ASYM P */ - case 0xb: /* 1 0 1 1 */ - bp->flow_ctrl = FLOW_CTRL_TX; - break; - - case 0xe: /* 1 1 1 0 */ - bp->flow_ctrl = FLOW_CTRL_RX; - break; - - case 0x5: /* 0 1 0 1 */ - case 0x7: /* 0 1 1 1 */ - case 0xd: /* 1 1 0 1 */ - case 0xf: /* 1 1 1 1 */ - bp->flow_ctrl = FLOW_CTRL_BOTH; - break; - - default: - break; - } -} - -static u8 bnx2x_ext_phy_resove_fc(struct bnx2x *bp) -{ - u32 ext_phy_addr; - u32 ld_pause; /* local */ - u32 lp_pause; /* link partner */ - u32 an_complete; /* AN complete */ - u32 pause_result; - u8 ret = 0; - - ext_phy_addr = ((bp->ext_phy_config & - PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> - PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); - - /* read twice */ - bnx2x_mdio45_read(bp, ext_phy_addr, - EXT_PHY_KR_AUTO_NEG_DEVAD, - EXT_PHY_KR_STATUS, &an_complete); - bnx2x_mdio45_read(bp, ext_phy_addr, - EXT_PHY_KR_AUTO_NEG_DEVAD, - EXT_PHY_KR_STATUS, &an_complete); - - if (an_complete & EXT_PHY_KR_AUTO_NEG_COMPLETE) { - ret = 1; - bnx2x_mdio45_read(bp, ext_phy_addr, - EXT_PHY_KR_AUTO_NEG_DEVAD, - EXT_PHY_KR_AUTO_NEG_ADVERT, &ld_pause); - bnx2x_mdio45_read(bp, ext_phy_addr, - EXT_PHY_KR_AUTO_NEG_DEVAD, - EXT_PHY_KR_LP_AUTO_NEG, &lp_pause); - pause_result = (ld_pause & - EXT_PHY_KR_AUTO_NEG_ADVERT_PAUSE_MASK) >> 8; - pause_result |= (lp_pause & - EXT_PHY_KR_AUTO_NEG_ADVERT_PAUSE_MASK) >> 10; - DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x \n", - pause_result); - bnx2x_pause_resolve(bp, pause_result); - } - return ret; -} - -static void bnx2x_flow_ctrl_resolve(struct bnx2x *bp, u32 gp_status) -{ - u32 ld_pause; /* local driver */ - u32 lp_pause; /* link partner */ - u32 pause_result; - - bp->flow_ctrl = 0; - - /* resolve from gp_status in case of AN complete and not sgmii */ - if ((bp->req_autoneg & AUTONEG_FLOW_CTRL) && - (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) && - (!(bp->phy_flags & PHY_SGMII_FLAG)) && - (XGXS_EXT_PHY_TYPE(bp) == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)) { - - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); - bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_AUTO_NEG_ADV, - &ld_pause); - bnx2x_mdio22_read(bp, - MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1, - &lp_pause); - pause_result = (ld_pause & - MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5; - pause_result |= (lp_pause & - MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7; - DP(NETIF_MSG_LINK, "pause_result 0x%x\n", pause_result); - bnx2x_pause_resolve(bp, pause_result); - } else if (!(bp->req_autoneg & AUTONEG_FLOW_CTRL) || - !(bnx2x_ext_phy_resove_fc(bp))) { - /* forced speed */ - if (bp->req_autoneg & AUTONEG_FLOW_CTRL) { - switch (bp->req_flow_ctrl) { - case FLOW_CTRL_AUTO: - if (bp->dev->mtu <= 4500) - bp->flow_ctrl = FLOW_CTRL_BOTH; - else - bp->flow_ctrl = FLOW_CTRL_TX; - break; - - case FLOW_CTRL_TX: - bp->flow_ctrl = FLOW_CTRL_TX; - break; - - case FLOW_CTRL_RX: - if (bp->dev->mtu <= 4500) - bp->flow_ctrl = FLOW_CTRL_RX; - break; - - case FLOW_CTRL_BOTH: - if (bp->dev->mtu <= 4500) - bp->flow_ctrl = FLOW_CTRL_BOTH; - else - bp->flow_ctrl = FLOW_CTRL_TX; - break; - - case FLOW_CTRL_NONE: - default: - break; - } - } else { /* forced mode */ - switch (bp->req_flow_ctrl) { - case FLOW_CTRL_AUTO: - DP(NETIF_MSG_LINK, "req_flow_ctrl 0x%x while" - " req_autoneg 0x%x\n", - bp->req_flow_ctrl, bp->req_autoneg); - break; - - case FLOW_CTRL_TX: - case FLOW_CTRL_RX: - case FLOW_CTRL_BOTH: - bp->flow_ctrl = bp->req_flow_ctrl; - break; - - case FLOW_CTRL_NONE: - default: - break; - } - } - } - DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", bp->flow_ctrl); -} - -static void bnx2x_link_settings_status(struct bnx2x *bp, u32 gp_status) -{ - bp->link_status = 0; - - if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) { - DP(NETIF_MSG_LINK, "phy link up\n"); - - bp->phy_link_up = 1; - bp->link_status |= LINK_STATUS_LINK_UP; - - if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS) - bp->duplex = DUPLEX_FULL; - else - bp->duplex = DUPLEX_HALF; - - bnx2x_flow_ctrl_resolve(bp, gp_status); - - switch (gp_status & GP_STATUS_SPEED_MASK) { - case GP_STATUS_10M: - bp->line_speed = SPEED_10; - if (bp->duplex == DUPLEX_FULL) - bp->link_status |= LINK_10TFD; - else - bp->link_status |= LINK_10THD; - break; - - case GP_STATUS_100M: - bp->line_speed = SPEED_100; - if (bp->duplex == DUPLEX_FULL) - bp->link_status |= LINK_100TXFD; - else - bp->link_status |= LINK_100TXHD; - break; - - case GP_STATUS_1G: - case GP_STATUS_1G_KX: - bp->line_speed = SPEED_1000; - if (bp->duplex == DUPLEX_FULL) - bp->link_status |= LINK_1000TFD; - else - bp->link_status |= LINK_1000THD; - break; - - case GP_STATUS_2_5G: - bp->line_speed = SPEED_2500; - if (bp->duplex == DUPLEX_FULL) - bp->link_status |= LINK_2500TFD; - else - bp->link_status |= LINK_2500THD; - break; - - case GP_STATUS_5G: - case GP_STATUS_6G: - BNX2X_ERR("link speed unsupported gp_status 0x%x\n", - gp_status); - break; - - case GP_STATUS_10G_KX4: - case GP_STATUS_10G_HIG: - case GP_STATUS_10G_CX4: - bp->line_speed = SPEED_10000; - bp->link_status |= LINK_10GTFD; - break; - - case GP_STATUS_12G_HIG: - bp->line_speed = SPEED_12000; - bp->link_status |= LINK_12GTFD; - break; - - case GP_STATUS_12_5G: - bp->line_speed = SPEED_12500; - bp->link_status |= LINK_12_5GTFD; - break; - - case GP_STATUS_13G: - bp->line_speed = SPEED_13000; - bp->link_status |= LINK_13GTFD; - break; - - case GP_STATUS_15G: - bp->line_speed = SPEED_15000; - bp->link_status |= LINK_15GTFD; - break; - - case GP_STATUS_16G: - bp->line_speed = SPEED_16000; - bp->link_status |= LINK_16GTFD; - break; - - default: - BNX2X_ERR("link speed unsupported gp_status 0x%x\n", - gp_status); - break; - } - - bp->link_status |= LINK_STATUS_SERDES_LINK; - - if (bp->req_autoneg & AUTONEG_SPEED) { - bp->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED; - - if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) - bp->link_status |= - LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; - - if (bp->autoneg & AUTONEG_PARALLEL) - bp->link_status |= - LINK_STATUS_PARALLEL_DETECTION_USED; - } - - if (bp->flow_ctrl & FLOW_CTRL_TX) - bp->link_status |= LINK_STATUS_TX_FLOW_CONTROL_ENABLED; - - if (bp->flow_ctrl & FLOW_CTRL_RX) - bp->link_status |= LINK_STATUS_RX_FLOW_CONTROL_ENABLED; - - } else { /* link_down */ - DP(NETIF_MSG_LINK, "phy link down\n"); - - bp->phy_link_up = 0; - - bp->line_speed = 0; - bp->duplex = DUPLEX_FULL; - bp->flow_ctrl = 0; - } - - DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %d\n" - DP_LEVEL " line_speed %d duplex %d flow_ctrl 0x%x" - " link_status 0x%x\n", - gp_status, bp->phy_link_up, bp->line_speed, bp->duplex, - bp->flow_ctrl, bp->link_status); -} - -static void bnx2x_link_int_ack(struct bnx2x *bp, int is_10g) -{ - int port = bp->port; - - /* first reset all status - * we assume only one line will be change at a time */ - bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, - (NIG_STATUS_XGXS0_LINK10G | - NIG_STATUS_XGXS0_LINK_STATUS | - NIG_STATUS_SERDES0_LINK_STATUS)); - if (bp->phy_link_up) { - if (is_10g) { - /* Disable the 10G link interrupt - * by writing 1 to the status register - */ - DP(NETIF_MSG_LINK, "10G XGXS phy link up\n"); - bnx2x_bits_en(bp, - NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, - NIG_STATUS_XGXS0_LINK10G); - - } else if (bp->phy_flags & PHY_XGXS_FLAG) { - /* Disable the link interrupt - * by writing 1 to the relevant lane - * in the status register - */ - DP(NETIF_MSG_LINK, "1G XGXS phy link up\n"); - bnx2x_bits_en(bp, - NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, - ((1 << bp->ser_lane) << - NIG_STATUS_XGXS0_LINK_STATUS_SIZE)); - - } else { /* SerDes */ - DP(NETIF_MSG_LINK, "SerDes phy link up\n"); - /* Disable the link interrupt - * by writing 1 to the status register - */ - bnx2x_bits_en(bp, - NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, - NIG_STATUS_SERDES0_LINK_STATUS); - } - - } else { /* link_down */ - } -} - -static int bnx2x_ext_phy_is_link_up(struct bnx2x *bp) -{ - u32 ext_phy_type; - u32 ext_phy_addr; - u32 val1 = 0, val2; - u32 rx_sd, pcs_status; - - if (bp->phy_flags & PHY_XGXS_FLAG) { - ext_phy_addr = ((bp->ext_phy_config & - PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> - PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); - - ext_phy_type = XGXS_EXT_PHY_TYPE(bp); - switch (ext_phy_type) { - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: - DP(NETIF_MSG_LINK, "XGXS Direct\n"); - val1 = 1; - break; - - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: - DP(NETIF_MSG_LINK, "XGXS 8705\n"); - bnx2x_mdio45_read(bp, ext_phy_addr, - EXT_PHY_OPT_WIS_DEVAD, - EXT_PHY_OPT_LASI_STATUS, &val1); - DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1); - - bnx2x_mdio45_read(bp, ext_phy_addr, - EXT_PHY_OPT_WIS_DEVAD, - EXT_PHY_OPT_LASI_STATUS, &val1); - DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1); - - bnx2x_mdio45_read(bp, ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_OPT_PMD_RX_SD, &rx_sd); - DP(NETIF_MSG_LINK, "8705 rx_sd 0x%x\n", rx_sd); - val1 = (rx_sd & 0x1); - break; - - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: - DP(NETIF_MSG_LINK, "XGXS 8706\n"); - bnx2x_mdio45_read(bp, ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_OPT_LASI_STATUS, &val1); - DP(NETIF_MSG_LINK, "8706 LASI status 0x%x\n", val1); - - bnx2x_mdio45_read(bp, ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_OPT_LASI_STATUS, &val1); - DP(NETIF_MSG_LINK, "8706 LASI status 0x%x\n", val1); - - bnx2x_mdio45_read(bp, ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_OPT_PMD_RX_SD, &rx_sd); - bnx2x_mdio45_read(bp, ext_phy_addr, - EXT_PHY_OPT_PCS_DEVAD, - EXT_PHY_OPT_PCS_STATUS, &pcs_status); - bnx2x_mdio45_read(bp, ext_phy_addr, - EXT_PHY_AUTO_NEG_DEVAD, - EXT_PHY_OPT_AN_LINK_STATUS, &val2); - - DP(NETIF_MSG_LINK, "8706 rx_sd 0x%x" - " pcs_status 0x%x 1Gbps link_status 0x%x 0x%x\n", - rx_sd, pcs_status, val2, (val2 & (1<<1))); - /* link is up if both bit 0 of pmd_rx_sd and - * bit 0 of pcs_status are set, or if the autoneg bit - 1 is set - */ - val1 = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1))); - break; - - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: - bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO); - - /* clear the interrupt LASI status register */ - bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, - ext_phy_addr, - EXT_PHY_KR_PCS_DEVAD, - EXT_PHY_KR_LASI_STATUS, &val2); - bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, - ext_phy_addr, - EXT_PHY_KR_PCS_DEVAD, - EXT_PHY_KR_LASI_STATUS, &val1); - DP(NETIF_MSG_LINK, "KR LASI status 0x%x->0x%x\n", - val2, val1); - /* Check the LASI */ - bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, - ext_phy_addr, - EXT_PHY_KR_PMA_PMD_DEVAD, - 0x9003, &val2); - bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, - ext_phy_addr, - EXT_PHY_KR_PMA_PMD_DEVAD, - 0x9003, &val1); - DP(NETIF_MSG_LINK, "KR 0x9003 0x%x->0x%x\n", - val2, val1); - /* Check the link status */ - bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, - ext_phy_addr, - EXT_PHY_KR_PCS_DEVAD, - EXT_PHY_KR_PCS_STATUS, &val2); - DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2); - /* Check the link status on 1.1.2 */ - bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, - ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_KR_STATUS, &val2); - bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, - ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_KR_STATUS, &val1); - DP(NETIF_MSG_LINK, - "KR PMA status 0x%x->0x%x\n", val2, val1); - val1 = ((val1 & 4) == 4); - /* If 1G was requested assume the link is up */ - if (!(bp->req_autoneg & AUTONEG_SPEED) && - (bp->req_line_speed == SPEED_1000)) - val1 = 1; - bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_8072_MDIO); - break; - - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: - bnx2x_mdio45_read(bp, ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_OPT_LASI_STATUS, &val2); - bnx2x_mdio45_read(bp, ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_OPT_LASI_STATUS, &val1); - DP(NETIF_MSG_LINK, - "10G-base-T LASI status 0x%x->0x%x\n", val2, val1); - bnx2x_mdio45_read(bp, ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_KR_STATUS, &val2); - bnx2x_mdio45_read(bp, ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_KR_STATUS, &val1); - DP(NETIF_MSG_LINK, - "10G-base-T PMA status 0x%x->0x%x\n", val2, val1); - val1 = ((val1 & 4) == 4); - /* if link is up - * print the AN outcome of the SFX7101 PHY - */ - if (val1) { - bnx2x_mdio45_read(bp, ext_phy_addr, - EXT_PHY_KR_AUTO_NEG_DEVAD, - 0x21, &val2); - DP(NETIF_MSG_LINK, - "SFX7101 AN status 0x%x->%s\n", val2, - (val2 & (1<<14)) ? "Master" : "Slave"); - } - break; - - default: - DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n", - bp->ext_phy_config); - val1 = 0; - break; - } - - } else { /* SerDes */ - ext_phy_type = SERDES_EXT_PHY_TYPE(bp); - switch (ext_phy_type) { - case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT: - DP(NETIF_MSG_LINK, "SerDes Direct\n"); - val1 = 1; - break; - - case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482: - DP(NETIF_MSG_LINK, "SerDes 5482\n"); - val1 = 1; - break; - - default: - DP(NETIF_MSG_LINK, "BAD SerDes ext_phy_config 0x%x\n", - bp->ext_phy_config); - val1 = 0; - break; - } - } - - return val1; -} - -static void bnx2x_bmac_enable(struct bnx2x *bp, int is_lb) -{ - int port = bp->port; - u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : - NIG_REG_INGRESS_BMAC0_MEM; - u32 wb_write[2]; - u32 val; - - DP(NETIF_MSG_LINK, "enabling BigMAC\n"); - /* reset and unreset the BigMac */ - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, - (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); - msleep(5); - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, - (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); - - /* enable access for bmac registers */ - NIG_WR(NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1); - - /* XGXS control */ - wb_write[0] = 0x3c; - wb_write[1] = 0; - REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL, - wb_write, 2); - - /* tx MAC SA */ - wb_write[0] = ((bp->dev->dev_addr[2] << 24) | - (bp->dev->dev_addr[3] << 16) | - (bp->dev->dev_addr[4] << 8) | - bp->dev->dev_addr[5]); - wb_write[1] = ((bp->dev->dev_addr[0] << 8) | - bp->dev->dev_addr[1]); - REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, - wb_write, 2); - - /* tx control */ - val = 0xc0; - if (bp->flow_ctrl & FLOW_CTRL_TX) - val |= 0x800000; - wb_write[0] = val; - wb_write[1] = 0; - REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_write, 2); - - /* set tx mtu */ - wb_write[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; /* -CRC */ - wb_write[1] = 0; - REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_write, 2); - - /* mac control */ - val = 0x3; - if (is_lb) { - val |= 0x4; - DP(NETIF_MSG_LINK, "enable bmac loopback\n"); - } - wb_write[0] = val; - wb_write[1] = 0; - REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, - wb_write, 2); - - /* rx control set to don't strip crc */ - val = 0x14; - if (bp->flow_ctrl & FLOW_CTRL_RX) - val |= 0x20; - wb_write[0] = val; - wb_write[1] = 0; - REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_write, 2); - - /* set rx mtu */ - wb_write[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; - wb_write[1] = 0; - REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_write, 2); - - /* set cnt max size */ - wb_write[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; /* -VLAN */ - wb_write[1] = 0; - REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, - wb_write, 2); - - /* configure safc */ - wb_write[0] = 0x1000200; - wb_write[1] = 0; - REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS, - wb_write, 2); - - /* fix for emulation */ - if (CHIP_REV(bp) == CHIP_REV_EMUL) { - wb_write[0] = 0xf000; - wb_write[1] = 0; - REG_WR_DMAE(bp, - bmac_addr + BIGMAC_REGISTER_TX_PAUSE_THRESHOLD, - wb_write, 2); - } - - /* reset old bmac stats */ - memset(&bp->old_bmac, 0, sizeof(struct bmac_stats)); - - NIG_WR(NIG_REG_XCM0_OUT_EN + port*4, 0x0); - - /* select XGXS */ - NIG_WR(NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1); - NIG_WR(NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0); - - /* disable the NIG in/out to the emac */ - NIG_WR(NIG_REG_EMAC0_IN_EN + port*4, 0x0); - NIG_WR(NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0); - NIG_WR(NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0); - - /* enable the NIG in/out to the bmac */ - NIG_WR(NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0); - - NIG_WR(NIG_REG_BMAC0_IN_EN + port*4, 0x1); - val = 0; - if (bp->flow_ctrl & FLOW_CTRL_TX) - val = 1; - NIG_WR(NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val); - NIG_WR(NIG_REG_BMAC0_OUT_EN + port*4, 0x1); - - bp->phy_flags |= PHY_BMAC_FLAG; - - bp->stats_state = STATS_STATE_ENABLE; -} - -static void bnx2x_bmac_rx_disable(struct bnx2x *bp) -{ - int port = bp->port; - u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : - NIG_REG_INGRESS_BMAC0_MEM; - u32 wb_write[2]; - - /* Only if the bmac is out of reset */ - if (REG_RD(bp, MISC_REG_RESET_REG_2) & - (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)) { - /* Clear Rx Enable bit in BMAC_CONTROL register */ -#ifdef BNX2X_DMAE_RD - bnx2x_read_dmae(bp, bmac_addr + - BIGMAC_REGISTER_BMAC_CONTROL, 2); - wb_write[0] = *bnx2x_sp(bp, wb_data[0]); - wb_write[1] = *bnx2x_sp(bp, wb_data[1]); -#else - wb_write[0] = REG_RD(bp, - bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL); - wb_write[1] = REG_RD(bp, - bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL + 4); -#endif - wb_write[0] &= ~BMAC_CONTROL_RX_ENABLE; - REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, - wb_write, 2); - msleep(1); - } -} - -static void bnx2x_emac_enable(struct bnx2x *bp) -{ - int port = bp->port; - u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; - u32 val; - int timeout; - - DP(NETIF_MSG_LINK, "enabling EMAC\n"); - /* reset and unreset the emac core */ - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, - (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port)); - msleep(5); - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, - (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port)); - - /* enable emac and not bmac */ - NIG_WR(NIG_REG_EGRESS_EMAC0_PORT + port*4, 1); - - /* for paladium */ - if (CHIP_REV(bp) == CHIP_REV_EMUL) { - /* Use lane 1 (of lanes 0-3) */ - NIG_WR(NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1); - NIG_WR(NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1); - } - /* for fpga */ - else if (CHIP_REV(bp) == CHIP_REV_FPGA) { - /* Use lane 1 (of lanes 0-3) */ - NIG_WR(NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1); - NIG_WR(NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0); - } - /* ASIC */ - else { - if (bp->phy_flags & PHY_XGXS_FLAG) { - DP(NETIF_MSG_LINK, "XGXS\n"); - /* select the master lanes (out of 0-3) */ - NIG_WR(NIG_REG_XGXS_LANE_SEL_P0 + port*4, - bp->ser_lane); - /* select XGXS */ - NIG_WR(NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1); - - } else { /* SerDes */ - DP(NETIF_MSG_LINK, "SerDes\n"); - /* select SerDes */ - NIG_WR(NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0); - } - } - - /* enable emac */ - NIG_WR(NIG_REG_NIG_EMAC0_EN + port*4, 1); - - /* init emac - use read-modify-write */ - /* self clear reset */ - val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); - EMAC_WR(EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET)); - - timeout = 200; - while (val & EMAC_MODE_RESET) { - val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); - DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val); - if (!timeout) { - BNX2X_ERR("EMAC timeout!\n"); - break; - } - timeout--; - } - - /* reset tx part */ - EMAC_WR(EMAC_REG_EMAC_TX_MODE, EMAC_TX_MODE_RESET); - - timeout = 200; - while (val & EMAC_TX_MODE_RESET) { - val = REG_RD(bp, emac_base + EMAC_REG_EMAC_TX_MODE); - DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val); - if (!timeout) { - BNX2X_ERR("EMAC timeout!\n"); - break; - } - timeout--; - } - - if (CHIP_REV_IS_SLOW(bp)) { - /* config GMII mode */ - val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); - EMAC_WR(EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII)); - - } else { /* ASIC */ - /* pause enable/disable */ - bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE, - EMAC_RX_MODE_FLOW_EN); - if (bp->flow_ctrl & FLOW_CTRL_RX) - bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE, - EMAC_RX_MODE_FLOW_EN); - - bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE, - EMAC_TX_MODE_EXT_PAUSE_EN); - if (bp->flow_ctrl & FLOW_CTRL_TX) - bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE, - EMAC_TX_MODE_EXT_PAUSE_EN); - } - - /* KEEP_VLAN_TAG, promiscuous */ - val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE); - val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS; - EMAC_WR(EMAC_REG_EMAC_RX_MODE, val); - - /* identify magic packets */ - val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); - EMAC_WR(EMAC_REG_EMAC_MODE, (val | EMAC_MODE_MPKT)); - - /* enable emac for jumbo packets */ - EMAC_WR(EMAC_REG_EMAC_RX_MTU_SIZE, - (EMAC_RX_MTU_SIZE_JUMBO_ENA | - (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD))); /* -VLAN */ - - /* strip CRC */ - NIG_WR(NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1); - - val = ((bp->dev->dev_addr[0] << 8) | - bp->dev->dev_addr[1]); - EMAC_WR(EMAC_REG_EMAC_MAC_MATCH, val); - - val = ((bp->dev->dev_addr[2] << 24) | - (bp->dev->dev_addr[3] << 16) | - (bp->dev->dev_addr[4] << 8) | - bp->dev->dev_addr[5]); - EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + 4, val); - - /* disable the NIG in/out to the bmac */ - NIG_WR(NIG_REG_BMAC0_IN_EN + port*4, 0x0); - NIG_WR(NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0); - NIG_WR(NIG_REG_BMAC0_OUT_EN + port*4, 0x0); - - /* enable the NIG in/out to the emac */ - NIG_WR(NIG_REG_EMAC0_IN_EN + port*4, 0x1); - val = 0; - if (bp->flow_ctrl & FLOW_CTRL_TX) - val = 1; - NIG_WR(NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val); - NIG_WR(NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1); - - if (CHIP_REV(bp) == CHIP_REV_FPGA) { - /* take the BigMac out of reset */ - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, - (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); - - /* enable access for bmac registers */ - NIG_WR(NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1); - } - - bp->phy_flags |= PHY_EMAC_FLAG; - - bp->stats_state = STATS_STATE_ENABLE; -} - -static void bnx2x_emac_program(struct bnx2x *bp) -{ - u16 mode = 0; - int port = bp->port; - - DP(NETIF_MSG_LINK, "setting link speed & duplex\n"); - bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE, - (EMAC_MODE_25G_MODE | - EMAC_MODE_PORT_MII_10M | - EMAC_MODE_HALF_DUPLEX)); - switch (bp->line_speed) { - case SPEED_10: - mode |= EMAC_MODE_PORT_MII_10M; - break; - - case SPEED_100: - mode |= EMAC_MODE_PORT_MII; - break; - - case SPEED_1000: - mode |= EMAC_MODE_PORT_GMII; - break; - - case SPEED_2500: - mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII); - break; - - default: - /* 10G not valid for EMAC */ - BNX2X_ERR("Invalid line_speed 0x%x\n", bp->line_speed); - break; - } - - if (bp->duplex == DUPLEX_HALF) - mode |= EMAC_MODE_HALF_DUPLEX; - bnx2x_bits_en(bp, GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE, - mode); - - bnx2x_leds_set(bp, bp->line_speed); -} - -static void bnx2x_set_sgmii_tx_driver(struct bnx2x *bp) -{ - u32 lp_up2; - u32 tx_driver; - - /* read precomp */ - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_OVER_1G); - bnx2x_mdio22_read(bp, MDIO_OVER_1G_LP_UP2, &lp_up2); - - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_TX0); - bnx2x_mdio22_read(bp, MDIO_TX0_TX_DRIVER, &tx_driver); - - /* bits [10:7] at lp_up2, positioned at [15:12] */ - lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >> - MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) << - MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT); - - if ((lp_up2 != 0) && - (lp_up2 != (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK))) { - /* replace tx_driver bits [15:12] */ - tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK; - tx_driver |= lp_up2; - bnx2x_mdio22_write(bp, MDIO_TX0_TX_DRIVER, tx_driver); - } -} - -static void bnx2x_pbf_update(struct bnx2x *bp) -{ - int port = bp->port; - u32 init_crd, crd; - u32 count = 1000; - u32 pause = 0; - - /* disable port */ - REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1); - - /* wait for init credit */ - init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4); - crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); - DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd); - - while ((init_crd != crd) && count) { - msleep(5); - - crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); - count--; - } - crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); - if (init_crd != crd) - BNX2X_ERR("BUG! init_crd 0x%x != crd 0x%x\n", init_crd, crd); - - if (bp->flow_ctrl & FLOW_CTRL_RX) - pause = 1; - REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, pause); - if (pause) { - /* update threshold */ - REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0); - /* update init credit */ - init_crd = 778; /* (800-18-4) */ - - } else { - u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)/16; - - /* update threshold */ - REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh); - /* update init credit */ - switch (bp->line_speed) { - case SPEED_10: - case SPEED_100: - case SPEED_1000: - init_crd = thresh + 55 - 22; - break; - - case SPEED_2500: - init_crd = thresh + 138 - 22; - break; - - case SPEED_10000: - init_crd = thresh + 553 - 22; - break; - - default: - BNX2X_ERR("Invalid line_speed 0x%x\n", - bp->line_speed); - break; - } - } - REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd); - DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n", - bp->line_speed, init_crd); - - /* probe the credit changes */ - REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1); - msleep(5); - REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0); - - /* enable port */ - REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0); -} - -static void bnx2x_update_mng(struct bnx2x *bp) -{ - if (!nomcp) - SHMEM_WR(bp, port_mb[bp->port].link_status, - bp->link_status); -} - -static void bnx2x_link_report(struct bnx2x *bp) -{ - if (bp->link_up) { - netif_carrier_on(bp->dev); - printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name); - - printk("%d Mbps ", bp->line_speed); - - if (bp->duplex == DUPLEX_FULL) - printk("full duplex"); - else - printk("half duplex"); - - if (bp->flow_ctrl) { - if (bp->flow_ctrl & FLOW_CTRL_RX) { - printk(", receive "); - if (bp->flow_ctrl & FLOW_CTRL_TX) - printk("& transmit "); - } else { - printk(", transmit "); - } - printk("flow control ON"); - } - printk("\n"); - - } else { /* link_down */ - netif_carrier_off(bp->dev); - printk(KERN_INFO PFX "%s NIC Link is Down\n", bp->dev->name); - } -} - -static void bnx2x_link_up(struct bnx2x *bp) -{ - int port = bp->port; - - /* PBF - link up */ - bnx2x_pbf_update(bp); - - /* disable drain */ - NIG_WR(NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0); - - /* update shared memory */ - bnx2x_update_mng(bp); - - /* indicate link up */ - bnx2x_link_report(bp); -} - -static void bnx2x_link_down(struct bnx2x *bp) -{ - int port = bp->port; - - /* notify stats */ - if (bp->stats_state != STATS_STATE_DISABLE) { - bp->stats_state = STATS_STATE_STOP; - DP(BNX2X_MSG_STATS, "stats_state - STOP\n"); - } - - /* indicate no mac active */ - bp->phy_flags &= ~(PHY_BMAC_FLAG | PHY_EMAC_FLAG); - - /* update shared memory */ - bnx2x_update_mng(bp); - - /* activate nig drain */ - NIG_WR(NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); - - /* reset BigMac */ - bnx2x_bmac_rx_disable(bp); - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, - (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); - - /* indicate link down */ - bnx2x_link_report(bp); -} - -static void bnx2x_init_mac_stats(struct bnx2x *bp); - -/* This function is called upon link interrupt */ -static void bnx2x_link_update(struct bnx2x *bp) -{ - int port = bp->port; - int i; - u32 gp_status; - int link_10g; - - DP(NETIF_MSG_LINK, "port %x, %s, int_status 0x%x," - " int_mask 0x%x, saved_mask 0x%x, MI_INT %x, SERDES_LINK %x," - " 10G %x, XGXS_LINK %x\n", port, - (bp->phy_flags & PHY_XGXS_FLAG)? "XGXS":"SerDes", - REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4), - REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4), bp->nig_mask, - REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18), - REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c), - REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), - REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68) - ); - - might_sleep(); - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_GP_STATUS); - /* avoid fast toggling */ - for (i = 0; i < 10; i++) { - msleep(10); - bnx2x_mdio22_read(bp, MDIO_GP_STATUS_TOP_AN_STATUS1, - &gp_status); - } - - bnx2x_link_settings_status(bp, gp_status); - - /* anything 10 and over uses the bmac */ - link_10g = ((bp->line_speed >= SPEED_10000) && - (bp->line_speed <= SPEED_16000)); - - bnx2x_link_int_ack(bp, link_10g); - - /* link is up only if both local phy and external phy are up */ - bp->link_up = (bp->phy_link_up && bnx2x_ext_phy_is_link_up(bp)); - if (bp->link_up) { - if (link_10g) { - bnx2x_bmac_enable(bp, 0); - bnx2x_leds_set(bp, SPEED_10000); - - } else { - bnx2x_emac_enable(bp); - bnx2x_emac_program(bp); - - /* AN complete? */ - if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) { - if (!(bp->phy_flags & PHY_SGMII_FLAG)) - bnx2x_set_sgmii_tx_driver(bp); - } - } - bnx2x_link_up(bp); - - } else { /* link down */ - bnx2x_leds_unset(bp); - bnx2x_link_down(bp); - } - - bnx2x_init_mac_stats(bp); -} - -/* - * Init service functions - */ - -static void bnx2x_set_aer_mmd(struct bnx2x *bp) -{ - u16 offset = (bp->phy_flags & PHY_XGXS_FLAG) ? - (bp->phy_addr + bp->ser_lane) : 0; - - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_AER_BLOCK); - bnx2x_mdio22_write(bp, MDIO_AER_BLOCK_AER_REG, 0x3800 + offset); -} - -static void bnx2x_set_master_ln(struct bnx2x *bp) -{ - u32 new_master_ln; - - /* set the master_ln for AN */ - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_XGXS_BLOCK2); - bnx2x_mdio22_read(bp, MDIO_XGXS_BLOCK2_TEST_MODE_LANE, - &new_master_ln); - bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_TEST_MODE_LANE, - (new_master_ln | bp->ser_lane)); -} - -static void bnx2x_reset_unicore(struct bnx2x *bp) -{ - u32 mii_control; - int i; - - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); - bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control); - /* reset the unicore */ - bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL, - (mii_control | MDIO_COMBO_IEEO_MII_CONTROL_RESET)); - - /* wait for the reset to self clear */ - for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) { - udelay(5); - - /* the reset erased the previous bank value */ - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); - bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, - &mii_control); - - if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) { - udelay(5); - return; - } - } - - BNX2X_ERR("BUG! %s (0x%x) is still in reset!\n", - (bp->phy_flags & PHY_XGXS_FLAG)? "XGXS":"SerDes", - bp->phy_addr); -} - -static void bnx2x_set_swap_lanes(struct bnx2x *bp) -{ - /* Each two bits represents a lane number: - No swap is 0123 => 0x1b no need to enable the swap */ - - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_XGXS_BLOCK2); - if (bp->rx_lane_swap != 0x1b) { - bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_RX_LN_SWAP, - (bp->rx_lane_swap | - MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE | - MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE)); - } else { - bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0); - } - - if (bp->tx_lane_swap != 0x1b) { - bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_TX_LN_SWAP, - (bp->tx_lane_swap | - MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE)); - } else { - bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0); - } -} - -static void bnx2x_set_parallel_detection(struct bnx2x *bp) -{ - u32 control2; - - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_SERDES_DIGITAL); - bnx2x_mdio22_read(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL2, - &control2); - - if (bp->autoneg & AUTONEG_PARALLEL) { - control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN; - } else { - control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN; - } - bnx2x_mdio22_write(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL2, - control2); - - if (bp->phy_flags & PHY_XGXS_FLAG) { - DP(NETIF_MSG_LINK, "XGXS\n"); - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_10G_PARALLEL_DETECT); - - bnx2x_mdio22_write(bp, - MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK, - MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT); - - bnx2x_mdio22_read(bp, - MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, - &control2); - - if (bp->autoneg & AUTONEG_PARALLEL) { - control2 |= - MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN; - } else { - control2 &= - ~MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN; - } - bnx2x_mdio22_write(bp, - MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, - control2); - - /* Disable parallel detection of HiG */ - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_XGXS_BLOCK2); - bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_UNICORE_MODE_10G, - MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS | - MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS); - } -} - -static void bnx2x_set_autoneg(struct bnx2x *bp) -{ - u32 reg_val; - - /* CL37 Autoneg */ - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); - bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, ®_val); - if ((bp->req_autoneg & AUTONEG_SPEED) && - (bp->autoneg & AUTONEG_CL37)) { - /* CL37 Autoneg Enabled */ - reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN; - } else { - /* CL37 Autoneg Disabled */ - reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | - MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN); - } - bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL, reg_val); - - /* Enable/Disable Autodetection */ - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_SERDES_DIGITAL); - bnx2x_mdio22_read(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, ®_val); - reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN; - - if ((bp->req_autoneg & AUTONEG_SPEED) && - (bp->autoneg & AUTONEG_SGMII_FIBER_AUTODET)) { - reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET; - } else { - reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET; - } - bnx2x_mdio22_write(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val); - - /* Enable TetonII and BAM autoneg */ - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_BAM_NEXT_PAGE); - bnx2x_mdio22_read(bp, MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, - ®_val); - if ((bp->req_autoneg & AUTONEG_SPEED) && - (bp->autoneg & AUTONEG_CL37) && (bp->autoneg & AUTONEG_BAM)) { - /* Enable BAM aneg Mode and TetonII aneg Mode */ - reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE | - MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN); - } else { - /* TetonII and BAM Autoneg Disabled */ - reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE | - MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN); - } - bnx2x_mdio22_write(bp, MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, - reg_val); - - /* Enable Clause 73 Aneg */ - if ((bp->req_autoneg & AUTONEG_SPEED) && - (bp->autoneg & AUTONEG_CL73)) { - /* Enable BAM Station Manager */ - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_CL73_USERB0); - bnx2x_mdio22_write(bp, MDIO_CL73_USERB0_CL73_BAM_CTRL1, - (MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN | - MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN | - MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN)); - - /* Merge CL73 and CL37 aneg resolution */ - bnx2x_mdio22_read(bp, MDIO_CL73_USERB0_CL73_BAM_CTRL3, - ®_val); - bnx2x_mdio22_write(bp, MDIO_CL73_USERB0_CL73_BAM_CTRL3, - (reg_val | - MDIO_CL73_USERB0_CL73_BAM_CTRL3_USE_CL73_HCD_MR)); - - /* Set the CL73 AN speed */ - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_CL73_IEEEB1); - bnx2x_mdio22_read(bp, MDIO_CL73_IEEEB1_AN_ADV2, ®_val); - /* In the SerDes we support only the 1G. - In the XGXS we support the 10G KX4 - but we currently do not support the KR */ - if (bp->phy_flags & PHY_XGXS_FLAG) { - DP(NETIF_MSG_LINK, "XGXS\n"); - /* 10G KX4 */ - reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4; - } else { - DP(NETIF_MSG_LINK, "SerDes\n"); - /* 1000M KX */ - reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX; - } - bnx2x_mdio22_write(bp, MDIO_CL73_IEEEB1_AN_ADV2, reg_val); - - /* CL73 Autoneg Enabled */ - reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN; - } else { - /* CL73 Autoneg Disabled */ - reg_val = 0; - } - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_CL73_IEEEB0); - bnx2x_mdio22_write(bp, MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val); -} - -/* program SerDes, forced speed */ -static void bnx2x_program_serdes(struct bnx2x *bp) -{ - u32 reg_val; - - /* program duplex, disable autoneg */ - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); - bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, ®_val); - reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX | - MDIO_COMBO_IEEO_MII_CONTROL_AN_EN); - if (bp->req_duplex == DUPLEX_FULL) - reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX; - bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL, reg_val); - - /* program speed - - needed only if the speed is greater than 1G (2.5G or 10G) */ - if (bp->req_line_speed > SPEED_1000) { - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_SERDES_DIGITAL); - bnx2x_mdio22_read(bp, MDIO_SERDES_DIGITAL_MISC1, ®_val); - /* clearing the speed value before setting the right speed */ - reg_val &= ~MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK; - reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M | - MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL); - if (bp->req_line_speed == SPEED_10000) - reg_val |= - MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4; - bnx2x_mdio22_write(bp, MDIO_SERDES_DIGITAL_MISC1, reg_val); - } -} - -static void bnx2x_set_brcm_cl37_advertisment(struct bnx2x *bp) -{ - u32 val = 0; - - /* configure the 48 bits for BAM AN */ - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_OVER_1G); - - /* set extended capabilities */ - if (bp->advertising & ADVERTISED_2500baseX_Full) - val |= MDIO_OVER_1G_UP1_2_5G; - if (bp->advertising & ADVERTISED_10000baseT_Full) - val |= MDIO_OVER_1G_UP1_10G; - bnx2x_mdio22_write(bp, MDIO_OVER_1G_UP1, val); - - bnx2x_mdio22_write(bp, MDIO_OVER_1G_UP3, 0); -} - -static void bnx2x_set_ieee_aneg_advertisment(struct bnx2x *bp) -{ - u32 an_adv; - - /* for AN, we are always publishing full duplex */ - an_adv = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX; - - /* resolve pause mode and advertisement - * Please refer to Table 28B-3 of the 802.3ab-1999 spec */ - if (bp->req_autoneg & AUTONEG_FLOW_CTRL) { - switch (bp->req_flow_ctrl) { - case FLOW_CTRL_AUTO: - if (bp->dev->mtu <= 4500) { - an_adv |= - MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; - bp->advertising |= (ADVERTISED_Pause | - ADVERTISED_Asym_Pause); - } else { - an_adv |= - MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; - bp->advertising |= ADVERTISED_Asym_Pause; - } - break; - - case FLOW_CTRL_TX: - an_adv |= - MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; - bp->advertising |= ADVERTISED_Asym_Pause; - break; - - case FLOW_CTRL_RX: - if (bp->dev->mtu <= 4500) { - an_adv |= - MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; - bp->advertising |= (ADVERTISED_Pause | - ADVERTISED_Asym_Pause); - } else { - an_adv |= - MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; - bp->advertising &= ~(ADVERTISED_Pause | - ADVERTISED_Asym_Pause); - } - break; - - case FLOW_CTRL_BOTH: - if (bp->dev->mtu <= 4500) { - an_adv |= - MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; - bp->advertising |= (ADVERTISED_Pause | - ADVERTISED_Asym_Pause); - } else { - an_adv |= - MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; - bp->advertising |= ADVERTISED_Asym_Pause; - } - break; - - case FLOW_CTRL_NONE: - default: - an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; - bp->advertising &= ~(ADVERTISED_Pause | - ADVERTISED_Asym_Pause); - break; - } - } else { /* forced mode */ - switch (bp->req_flow_ctrl) { - case FLOW_CTRL_AUTO: - DP(NETIF_MSG_LINK, "req_flow_ctrl 0x%x while" - " req_autoneg 0x%x\n", - bp->req_flow_ctrl, bp->req_autoneg); - break; - - case FLOW_CTRL_TX: - an_adv |= - MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; - bp->advertising |= ADVERTISED_Asym_Pause; - break; - - case FLOW_CTRL_RX: - case FLOW_CTRL_BOTH: - an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; - bp->advertising |= (ADVERTISED_Pause | - ADVERTISED_Asym_Pause); - break; - - case FLOW_CTRL_NONE: - default: - an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; - bp->advertising &= ~(ADVERTISED_Pause | - ADVERTISED_Asym_Pause); - break; - } - } - - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); - bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_AUTO_NEG_ADV, an_adv); -} - -static void bnx2x_restart_autoneg(struct bnx2x *bp) -{ - if (bp->autoneg & AUTONEG_CL73) { - /* enable and restart clause 73 aneg */ - u32 an_ctrl; - - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_CL73_IEEEB0); - bnx2x_mdio22_read(bp, MDIO_CL73_IEEEB0_CL73_AN_CONTROL, - &an_ctrl); - bnx2x_mdio22_write(bp, MDIO_CL73_IEEEB0_CL73_AN_CONTROL, - (an_ctrl | - MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN | - MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN)); - - } else { - /* Enable and restart BAM/CL37 aneg */ - u32 mii_control; - - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); - bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, - &mii_control); - bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL, - (mii_control | - MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | - MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN)); - } -} - -static void bnx2x_initialize_sgmii_process(struct bnx2x *bp) -{ - u32 control1; - - /* in SGMII mode, the unicore is always slave */ - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_SERDES_DIGITAL); - bnx2x_mdio22_read(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, - &control1); - control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT; - /* set sgmii mode (and not fiber) */ - control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE | - MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET | - MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE); - bnx2x_mdio22_write(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, - control1); - - /* if forced speed */ - if (!(bp->req_autoneg & AUTONEG_SPEED)) { - /* set speed, disable autoneg */ - u32 mii_control; - - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); - bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, - &mii_control); - mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | - MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK | - MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX); - - switch (bp->req_line_speed) { - case SPEED_100: - mii_control |= - MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100; - break; - case SPEED_1000: - mii_control |= - MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000; - break; - case SPEED_10: - /* there is nothing to set for 10M */ - break; - default: - /* invalid speed for SGMII */ - DP(NETIF_MSG_LINK, "Invalid req_line_speed 0x%x\n", - bp->req_line_speed); - break; - } - - /* setting the full duplex */ - if (bp->req_duplex == DUPLEX_FULL) - mii_control |= - MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX; - bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL, - mii_control); - - } else { /* AN mode */ - /* enable and restart AN */ - bnx2x_restart_autoneg(bp); - } -} - -static void bnx2x_link_int_enable(struct bnx2x *bp) -{ - int port = bp->port; - u32 ext_phy_type; - u32 mask; - - /* setting the status to report on link up - for either XGXS or SerDes */ - bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, - (NIG_STATUS_XGXS0_LINK10G | - NIG_STATUS_XGXS0_LINK_STATUS | - NIG_STATUS_SERDES0_LINK_STATUS)); - - if (bp->phy_flags & PHY_XGXS_FLAG) { - mask = (NIG_MASK_XGXS0_LINK10G | - NIG_MASK_XGXS0_LINK_STATUS); - DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n"); - ext_phy_type = XGXS_EXT_PHY_TYPE(bp); - if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) && - (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) && - (ext_phy_type != - PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)) { - mask |= NIG_MASK_MI_INT; - DP(NETIF_MSG_LINK, "enabled external phy int\n"); - } - - } else { /* SerDes */ - mask = NIG_MASK_SERDES0_LINK_STATUS; - DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n"); - ext_phy_type = SERDES_EXT_PHY_TYPE(bp); - if ((ext_phy_type != - PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT) && - (ext_phy_type != - PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN)) { - mask |= NIG_MASK_MI_INT; - DP(NETIF_MSG_LINK, "enabled external phy int\n"); - } - } - bnx2x_bits_en(bp, - NIG_REG_MASK_INTERRUPT_PORT0 + port*4, - mask); - DP(NETIF_MSG_LINK, "port %x, %s, int_status 0x%x," - " int_mask 0x%x, MI_INT %x, SERDES_LINK %x," - " 10G %x, XGXS_LINK %x\n", port, - (bp->phy_flags & PHY_XGXS_FLAG)? "XGXS":"SerDes", - REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4), - REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4), - REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18), - REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c), - REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), - REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68) - ); -} - -static void bnx2x_bcm8072_external_rom_boot(struct bnx2x *bp) -{ - u32 ext_phy_addr = ((bp->ext_phy_config & - PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> - PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); - u32 fw_ver1, fw_ver2; - - /* Need to wait 200ms after reset */ - msleep(200); - /* Boot port from external ROM - * Set ser_boot_ctl bit in the MISC_CTRL1 register - */ - bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, - EXT_PHY_KR_PMA_PMD_DEVAD, - EXT_PHY_KR_MISC_CTRL1, 0x0001); - - /* Reset internal microprocessor */ - bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, - EXT_PHY_KR_PMA_PMD_DEVAD, EXT_PHY_KR_GEN_CTRL, - EXT_PHY_KR_ROM_RESET_INTERNAL_MP); - /* set micro reset = 0 */ - bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, - EXT_PHY_KR_PMA_PMD_DEVAD, EXT_PHY_KR_GEN_CTRL, - EXT_PHY_KR_ROM_MICRO_RESET); - /* Reset internal microprocessor */ - bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, - EXT_PHY_KR_PMA_PMD_DEVAD, EXT_PHY_KR_GEN_CTRL, - EXT_PHY_KR_ROM_RESET_INTERNAL_MP); - /* wait for 100ms for code download via SPI port */ - msleep(100); - - /* Clear ser_boot_ctl bit */ - bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, - EXT_PHY_KR_PMA_PMD_DEVAD, - EXT_PHY_KR_MISC_CTRL1, 0x0000); - /* Wait 100ms */ - msleep(100); - - /* Print the PHY FW version */ - bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, ext_phy_addr, - EXT_PHY_KR_PMA_PMD_DEVAD, - 0xca19, &fw_ver1); - bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, ext_phy_addr, - EXT_PHY_KR_PMA_PMD_DEVAD, - 0xca1a, &fw_ver2); - DP(NETIF_MSG_LINK, - "8072 FW version 0x%x:0x%x\n", fw_ver1, fw_ver2); -} - -static void bnx2x_bcm8072_force_10G(struct bnx2x *bp) -{ - u32 ext_phy_addr = ((bp->ext_phy_config & - PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> - PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); - - /* Force KR or KX */ - bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, - EXT_PHY_KR_PMA_PMD_DEVAD, EXT_PHY_KR_CTRL, - 0x2040); - bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, - EXT_PHY_KR_PMA_PMD_DEVAD, EXT_PHY_KR_CTRL2, - 0x000b); - bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, - EXT_PHY_KR_PMA_PMD_DEVAD, EXT_PHY_KR_PMD_CTRL, - 0x0000); - bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, ext_phy_addr, - EXT_PHY_KR_AUTO_NEG_DEVAD, EXT_PHY_KR_CTRL, - 0x0000); -} - -static void bnx2x_ext_phy_init(struct bnx2x *bp) -{ - u32 ext_phy_type; - u32 ext_phy_addr; - u32 cnt; - u32 ctrl; - u32 val = 0; - - if (bp->phy_flags & PHY_XGXS_FLAG) { - ext_phy_addr = ((bp->ext_phy_config & - PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> - PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); - - ext_phy_type = XGXS_EXT_PHY_TYPE(bp); - /* Make sure that the soft reset is off (expect for the 8072: - * due to the lock, it will be done inside the specific - * handling) - */ - if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) && - (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) && - (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN) && - (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072)) { - /* Wait for soft reset to get cleared upto 1 sec */ - for (cnt = 0; cnt < 1000; cnt++) { - bnx2x_mdio45_read(bp, ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_OPT_CNTL, &ctrl); - if (!(ctrl & (1<<15))) - break; - msleep(1); - } - DP(NETIF_MSG_LINK, - "control reg 0x%x (after %d ms)\n", ctrl, cnt); - } - - switch (ext_phy_type) { - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: - DP(NETIF_MSG_LINK, "XGXS Direct\n"); - break; - - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: - DP(NETIF_MSG_LINK, "XGXS 8705\n"); - - bnx2x_mdio45_vwrite(bp, ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_OPT_PMD_MISC_CNTL, - 0x8288); - bnx2x_mdio45_vwrite(bp, ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_OPT_PHY_IDENTIFIER, - 0x7fbf); - bnx2x_mdio45_vwrite(bp, ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_OPT_CMU_PLL_BYPASS, - 0x0100); - bnx2x_mdio45_vwrite(bp, ext_phy_addr, - EXT_PHY_OPT_WIS_DEVAD, - EXT_PHY_OPT_LASI_CNTL, 0x1); - break; - - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: - DP(NETIF_MSG_LINK, "XGXS 8706\n"); - - if (!(bp->req_autoneg & AUTONEG_SPEED)) { - /* Force speed */ - if (bp->req_line_speed == SPEED_10000) { - DP(NETIF_MSG_LINK, - "XGXS 8706 force 10Gbps\n"); - bnx2x_mdio45_vwrite(bp, ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_OPT_PMD_DIGITAL_CNT, - 0x400); - } else { - /* Force 1Gbps */ - DP(NETIF_MSG_LINK, - "XGXS 8706 force 1Gbps\n"); - - bnx2x_mdio45_vwrite(bp, ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_OPT_CNTL, - 0x0040); - - bnx2x_mdio45_vwrite(bp, ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_OPT_CNTL2, - 0x000D); - } - - /* Enable LASI */ - bnx2x_mdio45_vwrite(bp, ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_OPT_LASI_CNTL, - 0x1); - } else { - /* AUTONEG */ - /* Allow CL37 through CL73 */ - DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n"); - bnx2x_mdio45_vwrite(bp, ext_phy_addr, - EXT_PHY_AUTO_NEG_DEVAD, - EXT_PHY_OPT_AN_CL37_CL73, - 0x040c); - - /* Enable Full-Duplex advertisment on CL37 */ - bnx2x_mdio45_vwrite(bp, ext_phy_addr, - EXT_PHY_AUTO_NEG_DEVAD, - EXT_PHY_OPT_AN_CL37_FD, - 0x0020); - /* Enable CL37 AN */ - bnx2x_mdio45_vwrite(bp, ext_phy_addr, - EXT_PHY_AUTO_NEG_DEVAD, - EXT_PHY_OPT_AN_CL37_AN, - 0x1000); - /* Advertise 10G/1G support */ - if (bp->advertising & - ADVERTISED_1000baseT_Full) - val = (1<<5); - if (bp->advertising & - ADVERTISED_10000baseT_Full) - val |= (1<<7); - - bnx2x_mdio45_vwrite(bp, ext_phy_addr, - EXT_PHY_AUTO_NEG_DEVAD, - EXT_PHY_OPT_AN_ADV, val); - /* Enable LASI */ - bnx2x_mdio45_vwrite(bp, ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_OPT_LASI_CNTL, - 0x1); - - /* Enable clause 73 AN */ - bnx2x_mdio45_write(bp, ext_phy_addr, - EXT_PHY_AUTO_NEG_DEVAD, - EXT_PHY_OPT_CNTL, - 0x1200); - } - break; - - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: - bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO); - /* Wait for soft reset to get cleared upto 1 sec */ - for (cnt = 0; cnt < 1000; cnt++) { - bnx2x_mdio45_ctrl_read(bp, GRCBASE_EMAC0, - ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_OPT_CNTL, &ctrl); - if (!(ctrl & (1<<15))) - break; - msleep(1); - } - DP(NETIF_MSG_LINK, - "8072 control reg 0x%x (after %d ms)\n", - ctrl, cnt); - - bnx2x_bcm8072_external_rom_boot(bp); - DP(NETIF_MSG_LINK, "Finshed loading 8072 KR ROM\n"); - - /* enable LASI */ - bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, - ext_phy_addr, - EXT_PHY_KR_PMA_PMD_DEVAD, - 0x9000, 0x0400); - bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, - ext_phy_addr, - EXT_PHY_KR_PMA_PMD_DEVAD, - EXT_PHY_KR_LASI_CNTL, 0x0004); - - /* If this is forced speed, set to KR or KX - * (all other are not supported) - */ - if (!(bp->req_autoneg & AUTONEG_SPEED)) { - if (bp->req_line_speed == SPEED_10000) { - bnx2x_bcm8072_force_10G(bp); - DP(NETIF_MSG_LINK, - "Forced speed 10G on 8072\n"); - /* unlock */ - bnx2x_hw_unlock(bp, - HW_LOCK_RESOURCE_8072_MDIO); - break; - } else - val = (1<<5); - } else { - - /* Advertise 10G/1G support */ - if (bp->advertising & - ADVERTISED_1000baseT_Full) - val = (1<<5); - if (bp->advertising & - ADVERTISED_10000baseT_Full) - val |= (1<<7); - } - bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, - ext_phy_addr, - EXT_PHY_KR_AUTO_NEG_DEVAD, - 0x11, val); - /* Add support for CL37 ( passive mode ) I */ - bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, - ext_phy_addr, - EXT_PHY_KR_AUTO_NEG_DEVAD, - 0x8370, 0x040c); - /* Add support for CL37 ( passive mode ) II */ - bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, - ext_phy_addr, - EXT_PHY_KR_AUTO_NEG_DEVAD, - 0xffe4, 0x20); - /* Add support for CL37 ( passive mode ) III */ - bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, - ext_phy_addr, - EXT_PHY_KR_AUTO_NEG_DEVAD, - 0xffe0, 0x1000); - /* Restart autoneg */ - msleep(500); - bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, - ext_phy_addr, - EXT_PHY_KR_AUTO_NEG_DEVAD, - EXT_PHY_KR_CTRL, 0x1200); - DP(NETIF_MSG_LINK, "8072 Autoneg Restart: " - "1G %ssupported 10G %ssupported\n", - (val & (1<<5)) ? "" : "not ", - (val & (1<<7)) ? "" : "not "); - - /* unlock */ - bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_8072_MDIO); - break; - - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: - DP(NETIF_MSG_LINK, - "Setting the SFX7101 LASI indication\n"); - bnx2x_mdio45_vwrite(bp, ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_OPT_LASI_CNTL, 0x1); - DP(NETIF_MSG_LINK, - "Setting the SFX7101 LED to blink on traffic\n"); - bnx2x_mdio45_vwrite(bp, ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - 0xC007, (1<<3)); - - /* read modify write pause advertizing */ - bnx2x_mdio45_read(bp, ext_phy_addr, - EXT_PHY_KR_AUTO_NEG_DEVAD, - EXT_PHY_KR_AUTO_NEG_ADVERT, &val); - val &= ~EXT_PHY_KR_AUTO_NEG_ADVERT_PAUSE_BOTH; - /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */ - if (bp->advertising & ADVERTISED_Pause) - val |= EXT_PHY_KR_AUTO_NEG_ADVERT_PAUSE; - - if (bp->advertising & ADVERTISED_Asym_Pause) { - val |= - EXT_PHY_KR_AUTO_NEG_ADVERT_PAUSE_ASYMMETRIC; - } - DP(NETIF_MSG_LINK, "SFX7101 AN advertize 0x%x\n", val); - bnx2x_mdio45_vwrite(bp, ext_phy_addr, - EXT_PHY_KR_AUTO_NEG_DEVAD, - EXT_PHY_KR_AUTO_NEG_ADVERT, val); - /* Restart autoneg */ - bnx2x_mdio45_read(bp, ext_phy_addr, - EXT_PHY_KR_AUTO_NEG_DEVAD, - EXT_PHY_KR_CTRL, &val); - val |= 0x200; - bnx2x_mdio45_write(bp, ext_phy_addr, - EXT_PHY_KR_AUTO_NEG_DEVAD, - EXT_PHY_KR_CTRL, val); - break; - - default: - BNX2X_ERR("BAD XGXS ext_phy_config 0x%x\n", - bp->ext_phy_config); - break; - } - - } else { /* SerDes */ -/* ext_phy_addr = ((bp->ext_phy_config & - PORT_HW_CFG_SERDES_EXT_PHY_ADDR_MASK) >> - PORT_HW_CFG_SERDES_EXT_PHY_ADDR_SHIFT); -*/ - ext_phy_type = SERDES_EXT_PHY_TYPE(bp); - switch (ext_phy_type) { - case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT: - DP(NETIF_MSG_LINK, "SerDes Direct\n"); - break; - - case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482: - DP(NETIF_MSG_LINK, "SerDes 5482\n"); - break; - - default: - DP(NETIF_MSG_LINK, "BAD SerDes ext_phy_config 0x%x\n", - bp->ext_phy_config); - break; - } - } -} - -static void bnx2x_ext_phy_reset(struct bnx2x *bp) -{ - u32 ext_phy_type; - u32 ext_phy_addr = ((bp->ext_phy_config & - PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> - PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT); - u32 board = (bp->board & SHARED_HW_CFG_BOARD_TYPE_MASK); - - /* The PHY reset is controled by GPIO 1 - * Give it 1ms of reset pulse - */ - if ((board != SHARED_HW_CFG_BOARD_TYPE_BCM957710T1002G) && - (board != SHARED_HW_CFG_BOARD_TYPE_BCM957710T1003G)) { - bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, - MISC_REGISTERS_GPIO_OUTPUT_LOW); - msleep(1); - bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, - MISC_REGISTERS_GPIO_OUTPUT_HIGH); - } - - if (bp->phy_flags & PHY_XGXS_FLAG) { - ext_phy_type = XGXS_EXT_PHY_TYPE(bp); - switch (ext_phy_type) { - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: - DP(NETIF_MSG_LINK, "XGXS Direct\n"); - break; - - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: - DP(NETIF_MSG_LINK, "XGXS 8705/8706\n"); - bnx2x_mdio45_write(bp, ext_phy_addr, - EXT_PHY_OPT_PMA_PMD_DEVAD, - EXT_PHY_OPT_CNTL, 0xa040); - break; - - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: - DP(NETIF_MSG_LINK, "XGXS 8072\n"); - bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO); - bnx2x_mdio45_ctrl_write(bp, GRCBASE_EMAC0, - ext_phy_addr, - EXT_PHY_KR_PMA_PMD_DEVAD, - 0, 1<<15); - bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_8072_MDIO); - break; - - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: - DP(NETIF_MSG_LINK, "XGXS SFX7101\n"); - break; - - default: - DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n", - bp->ext_phy_config); - break; - } - - } else { /* SerDes */ - ext_phy_type = SERDES_EXT_PHY_TYPE(bp); - switch (ext_phy_type) { - case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT: - DP(NETIF_MSG_LINK, "SerDes Direct\n"); - break; - - case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482: - DP(NETIF_MSG_LINK, "SerDes 5482\n"); - break; - - default: - DP(NETIF_MSG_LINK, "BAD SerDes ext_phy_config 0x%x\n", - bp->ext_phy_config); - break; - } - } -} - -static void bnx2x_link_initialize(struct bnx2x *bp) -{ - int port = bp->port; - - /* disable attentions */ - bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, - (NIG_MASK_XGXS0_LINK_STATUS | - NIG_MASK_XGXS0_LINK10G | - NIG_MASK_SERDES0_LINK_STATUS | - NIG_MASK_MI_INT)); - - /* Activate the external PHY */ - bnx2x_ext_phy_reset(bp); - - bnx2x_set_aer_mmd(bp); - - if (bp->phy_flags & PHY_XGXS_FLAG) - bnx2x_set_master_ln(bp); - - /* reset the SerDes and wait for reset bit return low */ - bnx2x_reset_unicore(bp); - - bnx2x_set_aer_mmd(bp); - - /* setting the masterLn_def again after the reset */ - if (bp->phy_flags & PHY_XGXS_FLAG) { - bnx2x_set_master_ln(bp); - bnx2x_set_swap_lanes(bp); - } - - /* Set Parallel Detect */ - if (bp->req_autoneg & AUTONEG_SPEED) - bnx2x_set_parallel_detection(bp); - - if (bp->phy_flags & PHY_XGXS_FLAG) { - if (bp->req_line_speed && - bp->req_line_speed < SPEED_1000) { - bp->phy_flags |= PHY_SGMII_FLAG; - } else { - bp->phy_flags &= ~PHY_SGMII_FLAG; - } - } - - if (!(bp->phy_flags & PHY_SGMII_FLAG)) { - u16 bank, rx_eq; - - rx_eq = ((bp->serdes_config & - PORT_HW_CFG_SERDES_RX_DRV_EQUALIZER_MASK) >> - PORT_HW_CFG_SERDES_RX_DRV_EQUALIZER_SHIFT); - - DP(NETIF_MSG_LINK, "setting rx eq to %d\n", rx_eq); - for (bank = MDIO_REG_BANK_RX0; bank <= MDIO_REG_BANK_RX_ALL; - bank += (MDIO_REG_BANK_RX1 - MDIO_REG_BANK_RX0)) { - MDIO_SET_REG_BANK(bp, bank); - bnx2x_mdio22_write(bp, MDIO_RX0_RX_EQ_BOOST, - ((rx_eq & - MDIO_RX0_RX_EQ_BOOST_EQUALIZER_CTRL_MASK) | - MDIO_RX0_RX_EQ_BOOST_OFFSET_CTRL)); - } - - /* forced speed requested? */ - if (!(bp->req_autoneg & AUTONEG_SPEED)) { - DP(NETIF_MSG_LINK, "not SGMII, no AN\n"); - - /* disable autoneg */ - bnx2x_set_autoneg(bp); - - /* program speed and duplex */ - bnx2x_program_serdes(bp); - - } else { /* AN_mode */ - DP(NETIF_MSG_LINK, "not SGMII, AN\n"); - - /* AN enabled */ - bnx2x_set_brcm_cl37_advertisment(bp); - - /* program duplex & pause advertisement (for aneg) */ - bnx2x_set_ieee_aneg_advertisment(bp); - - /* enable autoneg */ - bnx2x_set_autoneg(bp); - - /* enable and restart AN */ - bnx2x_restart_autoneg(bp); - } - - } else { /* SGMII mode */ - DP(NETIF_MSG_LINK, "SGMII\n"); - - bnx2x_initialize_sgmii_process(bp); - } - - /* init ext phy and enable link state int */ - bnx2x_ext_phy_init(bp); - - /* enable the interrupt */ - bnx2x_link_int_enable(bp); -} - -static void bnx2x_phy_deassert(struct bnx2x *bp) -{ - int port = bp->port; - u32 val; - - if (bp->phy_flags & PHY_XGXS_FLAG) { - DP(NETIF_MSG_LINK, "XGXS\n"); - val = XGXS_RESET_BITS; - - } else { /* SerDes */ - DP(NETIF_MSG_LINK, "SerDes\n"); - val = SERDES_RESET_BITS; - } - - val = val << (port*16); - - /* reset and unreset the SerDes/XGXS */ - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val); - msleep(5); - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val); -} - -static int bnx2x_phy_init(struct bnx2x *bp) -{ - DP(NETIF_MSG_LINK, "started\n"); - if (CHIP_REV(bp) == CHIP_REV_FPGA) { - bp->phy_flags |= PHY_EMAC_FLAG; - bp->link_up = 1; - bp->line_speed = SPEED_10000; - bp->duplex = DUPLEX_FULL; - NIG_WR(NIG_REG_EGRESS_DRAIN0_MODE + bp->port*4, 0); - bnx2x_emac_enable(bp); - bnx2x_link_report(bp); - return 0; - - } else if (CHIP_REV(bp) == CHIP_REV_EMUL) { - bp->phy_flags |= PHY_BMAC_FLAG; - bp->link_up = 1; - bp->line_speed = SPEED_10000; - bp->duplex = DUPLEX_FULL; - NIG_WR(NIG_REG_EGRESS_DRAIN0_MODE + bp->port*4, 0); - bnx2x_bmac_enable(bp, 0); - bnx2x_link_report(bp); - return 0; - - } else { - bnx2x_phy_deassert(bp); - bnx2x_link_initialize(bp); - } - - return 0; -} - -static void bnx2x_link_reset(struct bnx2x *bp) -{ - int port = bp->port; - u32 board = (bp->board & SHARED_HW_CFG_BOARD_TYPE_MASK); - - /* update shared memory */ - bp->link_status = 0; - bnx2x_update_mng(bp); - - /* disable attentions */ - bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, - (NIG_MASK_XGXS0_LINK_STATUS | - NIG_MASK_XGXS0_LINK10G | - NIG_MASK_SERDES0_LINK_STATUS | - NIG_MASK_MI_INT)); - - /* activate nig drain */ - NIG_WR(NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); - - /* disable nig egress interface */ - NIG_WR(NIG_REG_BMAC0_OUT_EN + port*4, 0); - NIG_WR(NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0); - - /* Stop BigMac rx */ - bnx2x_bmac_rx_disable(bp); - - /* disable emac */ - NIG_WR(NIG_REG_NIG_EMAC0_EN + port*4, 0); - - msleep(10); - - /* The PHY reset is controled by GPIO 1 - * Hold it as output low - */ - if ((board != SHARED_HW_CFG_BOARD_TYPE_BCM957710T1002G) && - (board != SHARED_HW_CFG_BOARD_TYPE_BCM957710T1003G)) { - bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, - MISC_REGISTERS_GPIO_OUTPUT_LOW); - DP(NETIF_MSG_LINK, "reset external PHY\n"); - } - - /* reset the SerDes/XGXS */ - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, - (0x1ff << (port*16))); - - /* reset BigMac */ - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, - (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); - - /* disable nig ingress interface */ - NIG_WR(NIG_REG_BMAC0_IN_EN + port*4, 0); - NIG_WR(NIG_REG_EMAC0_IN_EN + port*4, 0); - - /* set link down */ - bp->link_up = 0; -} - -#ifdef BNX2X_XGXS_LB -static void bnx2x_set_xgxs_loopback(struct bnx2x *bp, int is_10g) -{ - int port = bp->port; - - if (is_10g) { - u32 md_devad; - - DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n"); - - /* change the uni_phy_addr in the nig */ - REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18), - &md_devad); - NIG_WR(NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5); - - /* change the aer mmd */ - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_AER_BLOCK); - bnx2x_mdio22_write(bp, MDIO_AER_BLOCK_AER_REG, 0x2800); - - /* config combo IEEE0 control reg for loopback */ - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_CL73_IEEEB0); - bnx2x_mdio22_write(bp, MDIO_CL73_IEEEB0_CL73_AN_CONTROL, - 0x6041); - - /* set aer mmd back */ - bnx2x_set_aer_mmd(bp); - - /* and md_devad */ - NIG_WR(NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, md_devad); - - } else { - u32 mii_control; - - DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n"); - - MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0); - bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, - &mii_control); - bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL, - (mii_control | - MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK)); - } -} -#endif - -/* end of PHY/MAC */ - -/* slow path */ - -/* - * General service functions - */ - -/* the slow path queue is odd since completions arrive on the fastpath ring */ -static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid, - u32 data_hi, u32 data_lo, int common) -{ - int port = bp->port; - - DP(NETIF_MSG_TIMER, - "spe (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n", - (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) + - (void *)bp->spq_prod_bd - (void *)bp->spq), command, - HW_CID(bp, cid), data_hi, data_lo, bp->spq_left); - -#ifdef BNX2X_STOP_ON_ERROR - if (unlikely(bp->panic)) - return -EIO; -#endif - - spin_lock(&bp->spq_lock); - - if (!bp->spq_left) { - BNX2X_ERR("BUG! SPQ ring full!\n"); - spin_unlock(&bp->spq_lock); - bnx2x_panic(); - return -EBUSY; - } - - /* CID needs port number to be encoded int it */ - bp->spq_prod_bd->hdr.conn_and_cmd_data = - cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) | - HW_CID(bp, cid))); - bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE); - if (common) - bp->spq_prod_bd->hdr.type |= - cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT)); - - bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi); - bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo); - - bp->spq_left--; - - if (bp->spq_prod_bd == bp->spq_last_bd) { - bp->spq_prod_bd = bp->spq; - bp->spq_prod_idx = 0; - DP(NETIF_MSG_TIMER, "end of spq\n"); - - } else { - bp->spq_prod_bd++; - bp->spq_prod_idx++; - } - - REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(port), - bp->spq_prod_idx); - - spin_unlock(&bp->spq_lock); - return 0; -} - -/* acquire split MCP access lock register */ -static int bnx2x_lock_alr(struct bnx2x *bp) -{ - int rc = 0; - u32 i, j, val; - - might_sleep(); - i = 100; - for (j = 0; j < i*10; j++) { - val = (1UL << 31); - REG_WR(bp, GRCBASE_MCP + 0x9c, val); - val = REG_RD(bp, GRCBASE_MCP + 0x9c); - if (val & (1L << 31)) - break; - - msleep(5); - } - - if (!(val & (1L << 31))) { - BNX2X_ERR("Cannot acquire nvram interface\n"); - - rc = -EBUSY; - } - - return rc; -} - -/* Release split MCP access lock register */ -static void bnx2x_unlock_alr(struct bnx2x *bp) -{ - u32 val = 0; - - REG_WR(bp, GRCBASE_MCP + 0x9c, val); -} - -static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp) -{ - struct host_def_status_block *def_sb = bp->def_status_blk; - u16 rc = 0; - - barrier(); /* status block is written to by the chip */ - - if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) { - bp->def_att_idx = def_sb->atten_status_block.attn_bits_index; - rc |= 1; - } - if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) { - bp->def_c_idx = def_sb->c_def_status_block.status_block_index; - rc |= 2; - } - if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) { - bp->def_u_idx = def_sb->u_def_status_block.status_block_index; - rc |= 4; - } - if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) { - bp->def_x_idx = def_sb->x_def_status_block.status_block_index; - rc |= 8; - } - if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) { - bp->def_t_idx = def_sb->t_def_status_block.status_block_index; - rc |= 16; - } - return rc; -} - -/* - * slow path service functions - */ - -static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted) -{ - int port = bp->port; - u32 igu_addr = (IGU_ADDR_ATTN_BITS_SET + IGU_PORT_BASE * port) * 8; - u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : - MISC_REG_AEU_MASK_ATTN_FUNC_0; - u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 : - NIG_REG_MASK_INTERRUPT_PORT0; - - if (~bp->aeu_mask & (asserted & 0xff)) - BNX2X_ERR("IGU ERROR\n"); - if (bp->attn_state & asserted) - BNX2X_ERR("IGU ERROR\n"); - - DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n", - bp->aeu_mask, asserted); - bp->aeu_mask &= ~(asserted & 0xff); - DP(NETIF_MSG_HW, "after masking: aeu_mask %x\n", bp->aeu_mask); - - REG_WR(bp, aeu_addr, bp->aeu_mask); - - bp->attn_state |= asserted; - - if (asserted & ATTN_HARD_WIRED_MASK) { - if (asserted & ATTN_NIG_FOR_FUNC) { - - /* save nig interrupt mask */ - bp->nig_mask = REG_RD(bp, nig_int_mask_addr); - REG_WR(bp, nig_int_mask_addr, 0); - - bnx2x_link_update(bp); - - /* handle unicore attn? */ - } - if (asserted & ATTN_SW_TIMER_4_FUNC) - DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n"); - - if (asserted & GPIO_2_FUNC) - DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n"); - - if (asserted & GPIO_3_FUNC) - DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n"); - - if (asserted & GPIO_4_FUNC) - DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n"); - - if (port == 0) { - if (asserted & ATTN_GENERAL_ATTN_1) { - DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n"); - REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0); - } - if (asserted & ATTN_GENERAL_ATTN_2) { - DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n"); - REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0); - } - if (asserted & ATTN_GENERAL_ATTN_3) { - DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n"); - REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0); - } - } else { - if (asserted & ATTN_GENERAL_ATTN_4) { - DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n"); - REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0); - } - if (asserted & ATTN_GENERAL_ATTN_5) { - DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n"); - REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0); - } - if (asserted & ATTN_GENERAL_ATTN_6) { - DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n"); - REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0); - } - } - - } /* if hardwired */ - - DP(NETIF_MSG_HW, "about to mask 0x%08x at IGU addr 0x%x\n", - asserted, BAR_IGU_INTMEM + igu_addr); - REG_WR(bp, BAR_IGU_INTMEM + igu_addr, asserted); - - /* now set back the mask */ - if (asserted & ATTN_NIG_FOR_FUNC) - REG_WR(bp, nig_int_mask_addr, bp->nig_mask); -} - -static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn) -{ - int port = bp->port; - int reg_offset; - u32 val; - - if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) { - - reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 : - MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); - - val = REG_RD(bp, reg_offset); - val &= ~AEU_INPUTS_ATTN_BITS_SPIO5; - REG_WR(bp, reg_offset, val); - - BNX2X_ERR("SPIO5 hw attention\n"); - - switch (bp->board & SHARED_HW_CFG_BOARD_TYPE_MASK) { - case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G: - /* Fan failure attention */ - - /* The PHY reset is controled by GPIO 1 */ - bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, - MISC_REGISTERS_GPIO_OUTPUT_LOW); - /* Low power mode is controled by GPIO 2 */ - bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, - MISC_REGISTERS_GPIO_OUTPUT_LOW); - /* mark the failure */ - bp->ext_phy_config &= - ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK; - bp->ext_phy_config |= - PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE; - SHMEM_WR(bp, - dev_info.port_hw_config[port]. - external_phy_config, - bp->ext_phy_config); - /* log the failure */ - printk(KERN_ERR PFX "Fan Failure on Network" - " Controller %s has caused the driver to" - " shutdown the card to prevent permanent" - " damage. Please contact Dell Support for" - " assistance\n", bp->dev->name); - break; - - default: - break; - } - } -} - -static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn) -{ - u32 val; - - if (attn & BNX2X_DOORQ_ASSERT) { - - val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR); - BNX2X_ERR("DB hw attention 0x%x\n", val); - /* DORQ discard attention */ - if (val & 0x2) - BNX2X_ERR("FATAL error from DORQ\n"); - } -} - -static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn) -{ - u32 val; - - if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) { - - val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR); - BNX2X_ERR("CFC hw attention 0x%x\n", val); - /* CFC error attention */ - if (val & 0x2) - BNX2X_ERR("FATAL error from CFC\n"); - } - - if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) { - - val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0); - BNX2X_ERR("PXP hw attention 0x%x\n", val); - /* RQ_USDMDP_FIFO_OVERFLOW */ - if (val & 0x18000) - BNX2X_ERR("FATAL error from PXP\n"); - } -} - -static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn) -{ - if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) { - - if (attn & BNX2X_MC_ASSERT_BITS) { - - BNX2X_ERR("MC assert!\n"); - REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0); - REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0); - REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0); - REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0); - bnx2x_panic(); - - } else if (attn & BNX2X_MCP_ASSERT) { - - BNX2X_ERR("MCP assert!\n"); - REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0); - bnx2x_mc_assert(bp); - - } else - BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn); - } - - if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) { - - REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff); - BNX2X_ERR("LATCHED attention 0x%x (masked)\n", attn); - } -} - -static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted) -{ - struct attn_route attn; - struct attn_route group_mask; - int port = bp->port; - int index; - u32 reg_addr; - u32 val; - - /* need to take HW lock because MCP or other port might also - try to handle this event */ - bnx2x_lock_alr(bp); - - attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4); - attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4); - attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4); - attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4); - DP(NETIF_MSG_HW, "attn %llx\n", (unsigned long long)attn.sig[0]); - - for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) { - if (deasserted & (1 << index)) { - group_mask = bp->attn_group[index]; - - DP(NETIF_MSG_HW, "group[%d]: %llx\n", index, - (unsigned long long)group_mask.sig[0]); - - bnx2x_attn_int_deasserted3(bp, - attn.sig[3] & group_mask.sig[3]); - bnx2x_attn_int_deasserted1(bp, - attn.sig[1] & group_mask.sig[1]); - bnx2x_attn_int_deasserted2(bp, - attn.sig[2] & group_mask.sig[2]); - bnx2x_attn_int_deasserted0(bp, - attn.sig[0] & group_mask.sig[0]); - - if ((attn.sig[0] & group_mask.sig[0] & - HW_INTERRUT_ASSERT_SET_0) || - (attn.sig[1] & group_mask.sig[1] & - HW_INTERRUT_ASSERT_SET_1) || - (attn.sig[2] & group_mask.sig[2] & - HW_INTERRUT_ASSERT_SET_2)) - BNX2X_ERR("FATAL HW block attention" - " set0 0x%x set1 0x%x" - " set2 0x%x\n", - (attn.sig[0] & group_mask.sig[0] & - HW_INTERRUT_ASSERT_SET_0), - (attn.sig[1] & group_mask.sig[1] & - HW_INTERRUT_ASSERT_SET_1), - (attn.sig[2] & group_mask.sig[2] & - HW_INTERRUT_ASSERT_SET_2)); - - if ((attn.sig[0] & group_mask.sig[0] & - HW_PRTY_ASSERT_SET_0) || - (attn.sig[1] & group_mask.sig[1] & - HW_PRTY_ASSERT_SET_1) || - (attn.sig[2] & group_mask.sig[2] & - HW_PRTY_ASSERT_SET_2)) - BNX2X_ERR("FATAL HW block parity attention\n"); - } - } - - bnx2x_unlock_alr(bp); - - reg_addr = (IGU_ADDR_ATTN_BITS_CLR + IGU_PORT_BASE * port) * 8; - - val = ~deasserted; -/* DP(NETIF_MSG_INTR, "write 0x%08x to IGU addr 0x%x\n", - val, BAR_IGU_INTMEM + reg_addr); */ - REG_WR(bp, BAR_IGU_INTMEM + reg_addr, val); - - if (bp->aeu_mask & (deasserted & 0xff)) - BNX2X_ERR("IGU BUG\n"); - if (~bp->attn_state & deasserted) - BNX2X_ERR("IGU BUG\n"); - - reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : - MISC_REG_AEU_MASK_ATTN_FUNC_0; - - DP(NETIF_MSG_HW, "aeu_mask %x\n", bp->aeu_mask); - bp->aeu_mask |= (deasserted & 0xff); - - DP(NETIF_MSG_HW, "new mask %x\n", bp->aeu_mask); - REG_WR(bp, reg_addr, bp->aeu_mask); - - DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state); - bp->attn_state &= ~deasserted; - DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state); -} - -static void bnx2x_attn_int(struct bnx2x *bp) -{ - /* read local copy of bits */ - u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits; - u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack; - u32 attn_state = bp->attn_state; - - /* look for changed bits */ - u32 asserted = attn_bits & ~attn_ack & ~attn_state; - u32 deasserted = ~attn_bits & attn_ack & attn_state; - - DP(NETIF_MSG_HW, - "attn_bits %x attn_ack %x asserted %x deasserted %x\n", - attn_bits, attn_ack, asserted, deasserted); - - if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state)) - BNX2X_ERR("bad attention state\n"); - - /* handle bits that were raised */ - if (asserted) - bnx2x_attn_int_asserted(bp, asserted); - - if (deasserted) - bnx2x_attn_int_deasserted(bp, deasserted); -} - -static void bnx2x_sp_task(struct work_struct *work) -{ - struct bnx2x *bp = container_of(work, struct bnx2x, sp_task); - u16 status; - - /* Return here if interrupt is disabled */ - if (unlikely(atomic_read(&bp->intr_sem) != 0)) { - DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n"); - return; - } - - status = bnx2x_update_dsb_idx(bp); - if (status == 0) - BNX2X_ERR("spurious slowpath interrupt!\n"); - - DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status); - - /* HW attentions */ - if (status & 0x1) - bnx2x_attn_int(bp); - - /* CStorm events: query_stats, port delete ramrod */ - if (status & 0x2) - bp->stat_pending = 0; - - bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx, - IGU_INT_NOP, 1); - bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx), - IGU_INT_NOP, 1); - bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx), - IGU_INT_NOP, 1); - bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx), - IGU_INT_NOP, 1); - bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx), - IGU_INT_ENABLE, 1); - -} - -static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance) -{ - struct net_device *dev = dev_instance; - struct bnx2x *bp = netdev_priv(dev); - - /* Return here if interrupt is disabled */ - if (unlikely(atomic_read(&bp->intr_sem) != 0)) { - DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n"); - return IRQ_HANDLED; - } - - bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0); - -#ifdef BNX2X_STOP_ON_ERROR - if (unlikely(bp->panic)) - return IRQ_HANDLED; -#endif - - schedule_work(&bp->sp_task); - - return IRQ_HANDLED; -} - -/* end of slow path */ - -/* Statistics */ - -/**************************************************************************** -* Macros -****************************************************************************/ - -#define UPDATE_STAT(s, t) \ - do { \ - estats->t += new->s - old->s; \ - old->s = new->s; \ - } while (0) - -/* sum[hi:lo] += add[hi:lo] */ -#define ADD_64(s_hi, a_hi, s_lo, a_lo) \ - do { \ - s_lo += a_lo; \ - s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \ - } while (0) - -/* difference = minuend - subtrahend */ -#define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \ - do { \ - if (m_lo < s_lo) { /* underflow */ \ - d_hi = m_hi - s_hi; \ - if (d_hi > 0) { /* we can 'loan' 1 */ \ - d_hi--; \ - d_lo = m_lo + (UINT_MAX - s_lo) + 1; \ - } else { /* m_hi <= s_hi */ \ - d_hi = 0; \ - d_lo = 0; \ - } \ - } else { /* m_lo >= s_lo */ \ - if (m_hi < s_hi) { \ - d_hi = 0; \ - d_lo = 0; \ - } else { /* m_hi >= s_hi */ \ - d_hi = m_hi - s_hi; \ - d_lo = m_lo - s_lo; \ - } \ - } \ - } while (0) - -/* minuend -= subtrahend */ -#define SUB_64(m_hi, s_hi, m_lo, s_lo) \ - do { \ - DIFF_64(m_hi, m_hi, s_hi, m_lo, m_lo, s_lo); \ - } while (0) - -#define UPDATE_STAT64(s_hi, t_hi, s_lo, t_lo) \ - do { \ - DIFF_64(diff.hi, new->s_hi, old->s_hi, \ - diff.lo, new->s_lo, old->s_lo); \ - old->s_hi = new->s_hi; \ - old->s_lo = new->s_lo; \ - ADD_64(estats->t_hi, diff.hi, \ - estats->t_lo, diff.lo); \ - } while (0) - -/* sum[hi:lo] += add */ -#define ADD_EXTEND_64(s_hi, s_lo, a) \ - do { \ - s_lo += a; \ - s_hi += (s_lo < a) ? 1 : 0; \ - } while (0) - -#define UPDATE_EXTEND_STAT(s, t_hi, t_lo) \ - do { \ - ADD_EXTEND_64(estats->t_hi, estats->t_lo, new->s); \ - } while (0) - -#define UPDATE_EXTEND_TSTAT(s, t_hi, t_lo) \ - do { \ - diff = le32_to_cpu(tclient->s) - old_tclient->s; \ - old_tclient->s = le32_to_cpu(tclient->s); \ - ADD_EXTEND_64(estats->t_hi, estats->t_lo, diff); \ - } while (0) - -/* - * General service functions - */ - -static inline long bnx2x_hilo(u32 *hiref) -{ - u32 lo = *(hiref + 1); -#if (BITS_PER_LONG == 64) - u32 hi = *hiref; - - return HILO_U64(hi, lo); -#else - return lo; -#endif -} - -/* - * Init service functions - */ - -static void bnx2x_init_mac_stats(struct bnx2x *bp) -{ - struct dmae_command *dmae; - int port = bp->port; - int loader_idx = port * 8; - u32 opcode; - u32 mac_addr; - - bp->executer_idx = 0; - if (bp->fw_mb) { - /* MCP */ - opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | - DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | -#ifdef __BIG_ENDIAN - DMAE_CMD_ENDIANITY_B_DW_SWAP | -#else - DMAE_CMD_ENDIANITY_DW_SWAP | -#endif - (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0)); - - if (bp->link_up) - opcode |= (DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE); - - dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); - dmae->opcode = opcode; - dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, eth_stats) + - sizeof(u32)); - dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, eth_stats) + - sizeof(u32)); - dmae->dst_addr_lo = bp->fw_mb >> 2; - dmae->dst_addr_hi = 0; - dmae->len = (offsetof(struct bnx2x_eth_stats, mac_stx_end) - - sizeof(u32)) >> 2; - if (bp->link_up) { - dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; - dmae->comp_addr_hi = 0; - dmae->comp_val = 1; - } else { - dmae->comp_addr_lo = 0; - dmae->comp_addr_hi = 0; - dmae->comp_val = 0; - } - } - - if (!bp->link_up) { - /* no need to collect statistics in link down */ - return; - } - - opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | - DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE | - DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | -#ifdef __BIG_ENDIAN - DMAE_CMD_ENDIANITY_B_DW_SWAP | -#else - DMAE_CMD_ENDIANITY_DW_SWAP | -#endif - (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0)); - - if (bp->phy_flags & PHY_BMAC_FLAG) { - - mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM : - NIG_REG_INGRESS_BMAC0_MEM); - - /* BIGMAC_REGISTER_TX_STAT_GTPKT .. - BIGMAC_REGISTER_TX_STAT_GTBYT */ - dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); - dmae->opcode = opcode; - dmae->src_addr_lo = (mac_addr + - BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2; - dmae->src_addr_hi = 0; - dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats)); - dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats)); - dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT - - BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2; - dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; - dmae->comp_addr_hi = 0; - dmae->comp_val = 1; - - /* BIGMAC_REGISTER_RX_STAT_GR64 .. - BIGMAC_REGISTER_RX_STAT_GRIPJ */ - dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); - dmae->opcode = opcode; - dmae->src_addr_lo = (mac_addr + - BIGMAC_REGISTER_RX_STAT_GR64) >> 2; - dmae->src_addr_hi = 0; - dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) + - offsetof(struct bmac_stats, rx_gr64)); - dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) + - offsetof(struct bmac_stats, rx_gr64)); - dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ - - BIGMAC_REGISTER_RX_STAT_GR64) >> 2; - dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; - dmae->comp_addr_hi = 0; - dmae->comp_val = 1; - - } else if (bp->phy_flags & PHY_EMAC_FLAG) { - - mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0); - - /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/ - dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); - dmae->opcode = opcode; - dmae->src_addr_lo = (mac_addr + - EMAC_REG_EMAC_RX_STAT_AC) >> 2; - dmae->src_addr_hi = 0; - dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats)); - dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats)); - dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT; - dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; - dmae->comp_addr_hi = 0; - dmae->comp_val = 1; - - /* EMAC_REG_EMAC_RX_STAT_AC_28 */ - dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); - dmae->opcode = opcode; - dmae->src_addr_lo = (mac_addr + - EMAC_REG_EMAC_RX_STAT_AC_28) >> 2; - dmae->src_addr_hi = 0; - dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) + - offsetof(struct emac_stats, - rx_falsecarriererrors)); - dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) + - offsetof(struct emac_stats, - rx_falsecarriererrors)); - dmae->len = 1; - dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; - dmae->comp_addr_hi = 0; - dmae->comp_val = 1; - - /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/ - dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); - dmae->opcode = opcode; - dmae->src_addr_lo = (mac_addr + - EMAC_REG_EMAC_TX_STAT_AC) >> 2; - dmae->src_addr_hi = 0; - dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) + - offsetof(struct emac_stats, - tx_ifhcoutoctets)); - dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) + - offsetof(struct emac_stats, - tx_ifhcoutoctets)); - dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT; - dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; - dmae->comp_addr_hi = 0; - dmae->comp_val = 1; - } - - /* NIG */ - dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); - dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | - DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | - DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | -#ifdef __BIG_ENDIAN - DMAE_CMD_ENDIANITY_B_DW_SWAP | -#else - DMAE_CMD_ENDIANITY_DW_SWAP | -#endif - (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0)); - dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD : - NIG_REG_STAT0_BRB_DISCARD) >> 2; - dmae->src_addr_hi = 0; - dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig)); - dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig)); - dmae->len = (sizeof(struct nig_stats) - 2*sizeof(u32)) >> 2; - dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig) + - offsetof(struct nig_stats, done)); - dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig) + - offsetof(struct nig_stats, done)); - dmae->comp_val = 0xffffffff; -} - -static void bnx2x_init_stats(struct bnx2x *bp) -{ - int port = bp->port; - - bp->stats_state = STATS_STATE_DISABLE; - bp->executer_idx = 0; - - bp->old_brb_discard = REG_RD(bp, - NIG_REG_STAT0_BRB_DISCARD + port*0x38); - - memset(&bp->old_bmac, 0, sizeof(struct bmac_stats)); - memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats)); - memset(&bp->dev->stats, 0, sizeof(struct net_device_stats)); - - REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(port), 1); - REG_WR(bp, BAR_XSTRORM_INTMEM + - XSTORM_STATS_FLAGS_OFFSET(port) + 4, 0); - - REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(port), 1); - REG_WR(bp, BAR_TSTRORM_INTMEM + - TSTORM_STATS_FLAGS_OFFSET(port) + 4, 0); - - REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(port), 0); - REG_WR(bp, BAR_CSTRORM_INTMEM + - CSTORM_STATS_FLAGS_OFFSET(port) + 4, 0); - - REG_WR(bp, BAR_XSTRORM_INTMEM + - XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(port), - U64_LO(bnx2x_sp_mapping(bp, fw_stats))); - REG_WR(bp, BAR_XSTRORM_INTMEM + - XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(port) + 4, - U64_HI(bnx2x_sp_mapping(bp, fw_stats))); - - REG_WR(bp, BAR_TSTRORM_INTMEM + - TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(port), - U64_LO(bnx2x_sp_mapping(bp, fw_stats))); - REG_WR(bp, BAR_TSTRORM_INTMEM + - TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(port) + 4, - U64_HI(bnx2x_sp_mapping(bp, fw_stats))); -} - -static void bnx2x_stop_stats(struct bnx2x *bp) -{ - might_sleep(); - if (bp->stats_state != STATS_STATE_DISABLE) { - int timeout = 10; - - bp->stats_state = STATS_STATE_STOP; - DP(BNX2X_MSG_STATS, "stats_state - STOP\n"); - - while (bp->stats_state != STATS_STATE_DISABLE) { - if (!timeout) { - BNX2X_ERR("timeout waiting for stats stop\n"); - break; - } - timeout--; - msleep(100); - } - } - DP(BNX2X_MSG_STATS, "stats_state - DISABLE\n"); -} - -/* - * Statistics service functions - */ - -static void bnx2x_update_bmac_stats(struct bnx2x *bp) -{ - struct regp diff; - struct regp sum; - struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac); - struct bmac_stats *old = &bp->old_bmac; - struct bnx2x_eth_stats *estats = bnx2x_sp(bp, eth_stats); - - sum.hi = 0; - sum.lo = 0; - - UPDATE_STAT64(tx_gtbyt.hi, total_bytes_transmitted_hi, - tx_gtbyt.lo, total_bytes_transmitted_lo); - - UPDATE_STAT64(tx_gtmca.hi, total_multicast_packets_transmitted_hi, - tx_gtmca.lo, total_multicast_packets_transmitted_lo); - ADD_64(sum.hi, diff.hi, sum.lo, diff.lo); - - UPDATE_STAT64(tx_gtgca.hi, total_broadcast_packets_transmitted_hi, - tx_gtgca.lo, total_broadcast_packets_transmitted_lo); - ADD_64(sum.hi, diff.hi, sum.lo, diff.lo); - - UPDATE_STAT64(tx_gtpkt.hi, total_unicast_packets_transmitted_hi, - tx_gtpkt.lo, total_unicast_packets_transmitted_lo); - SUB_64(estats->total_unicast_packets_transmitted_hi, sum.hi, - estats->total_unicast_packets_transmitted_lo, sum.lo); - - UPDATE_STAT(tx_gtxpf.lo, pause_xoff_frames_transmitted); - UPDATE_STAT(tx_gt64.lo, frames_transmitted_64_bytes); - UPDATE_STAT(tx_gt127.lo, frames_transmitted_65_127_bytes); - UPDATE_STAT(tx_gt255.lo, frames_transmitted_128_255_bytes); - UPDATE_STAT(tx_gt511.lo, frames_transmitted_256_511_bytes); - UPDATE_STAT(tx_gt1023.lo, frames_transmitted_512_1023_bytes); - UPDATE_STAT(tx_gt1518.lo, frames_transmitted_1024_1522_bytes); - UPDATE_STAT(tx_gt2047.lo, frames_transmitted_1523_9022_bytes); - UPDATE_STAT(tx_gt4095.lo, frames_transmitted_1523_9022_bytes); - UPDATE_STAT(tx_gt9216.lo, frames_transmitted_1523_9022_bytes); - UPDATE_STAT(tx_gt16383.lo, frames_transmitted_1523_9022_bytes); - - UPDATE_STAT(rx_grfcs.lo, crc_receive_errors); - UPDATE_STAT(rx_grund.lo, runt_packets_received); - UPDATE_STAT(rx_grovr.lo, stat_Dot3statsFramesTooLong); - UPDATE_STAT(rx_grxpf.lo, pause_xoff_frames_received); - UPDATE_STAT(rx_grxcf.lo, control_frames_received); - /* UPDATE_STAT(rx_grxpf.lo, control_frames_received); */ - UPDATE_STAT(rx_grfrg.lo, error_runt_packets_received); - UPDATE_STAT(rx_grjbr.lo, error_jabber_packets_received); - - UPDATE_STAT64(rx_grerb.hi, stat_IfHCInBadOctets_hi, - rx_grerb.lo, stat_IfHCInBadOctets_lo); - UPDATE_STAT64(tx_gtufl.hi, stat_IfHCOutBadOctets_hi, - tx_gtufl.lo, stat_IfHCOutBadOctets_lo); - UPDATE_STAT(tx_gterr.lo, stat_Dot3statsInternalMacTransmitErrors); - /* UPDATE_STAT(rx_grxpf.lo, stat_XoffStateEntered); */ - estats->stat_XoffStateEntered = estats->pause_xoff_frames_received; -} - -static void bnx2x_update_emac_stats(struct bnx2x *bp) -{ - struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac); - struct bnx2x_eth_stats *estats = bnx2x_sp(bp, eth_stats); - - UPDATE_EXTEND_STAT(tx_ifhcoutoctets, total_bytes_transmitted_hi, - total_bytes_transmitted_lo); - UPDATE_EXTEND_STAT(tx_ifhcoutucastpkts, - total_unicast_packets_transmitted_hi, - total_unicast_packets_transmitted_lo); - UPDATE_EXTEND_STAT(tx_ifhcoutmulticastpkts, - total_multicast_packets_transmitted_hi, - total_multicast_packets_transmitted_lo); - UPDATE_EXTEND_STAT(tx_ifhcoutbroadcastpkts, - total_broadcast_packets_transmitted_hi, - total_broadcast_packets_transmitted_lo); - - estats->pause_xon_frames_transmitted += new->tx_outxonsent; - estats->pause_xoff_frames_transmitted += new->tx_outxoffsent; - estats->single_collision_transmit_frames += - new->tx_dot3statssinglecollisionframes; - estats->multiple_collision_transmit_frames += - new->tx_dot3statsmultiplecollisionframes; - estats->late_collision_frames += new->tx_dot3statslatecollisions; - estats->excessive_collision_frames += - new->tx_dot3statsexcessivecollisions; - estats->frames_transmitted_64_bytes += new->tx_etherstatspkts64octets; - estats->frames_transmitted_65_127_bytes += - new->tx_etherstatspkts65octetsto127octets; - estats->frames_transmitted_128_255_bytes += - new->tx_etherstatspkts128octetsto255octets; - estats->frames_transmitted_256_511_bytes += - new->tx_etherstatspkts256octetsto511octets; - estats->frames_transmitted_512_1023_bytes += - new->tx_etherstatspkts512octetsto1023octets; - estats->frames_transmitted_1024_1522_bytes += - new->tx_etherstatspkts1024octetsto1522octet; - estats->frames_transmitted_1523_9022_bytes += - new->tx_etherstatspktsover1522octets; - - estats->crc_receive_errors += new->rx_dot3statsfcserrors; - estats->alignment_errors += new->rx_dot3statsalignmenterrors; - estats->false_carrier_detections += new->rx_falsecarriererrors; - estats->runt_packets_received += new->rx_etherstatsundersizepkts; - estats->stat_Dot3statsFramesTooLong += new->rx_dot3statsframestoolong; - estats->pause_xon_frames_received += new->rx_xonpauseframesreceived; - estats->pause_xoff_frames_received += new->rx_xoffpauseframesreceived; - estats->control_frames_received += new->rx_maccontrolframesreceived; - estats->error_runt_packets_received += new->rx_etherstatsfragments; - estats->error_jabber_packets_received += new->rx_etherstatsjabbers; - - UPDATE_EXTEND_STAT(rx_ifhcinbadoctets, stat_IfHCInBadOctets_hi, - stat_IfHCInBadOctets_lo); - UPDATE_EXTEND_STAT(tx_ifhcoutbadoctets, stat_IfHCOutBadOctets_hi, - stat_IfHCOutBadOctets_lo); - estats->stat_Dot3statsInternalMacTransmitErrors += - new->tx_dot3statsinternalmactransmiterrors; - estats->stat_Dot3StatsCarrierSenseErrors += - new->rx_dot3statscarriersenseerrors; - estats->stat_Dot3StatsDeferredTransmissions += - new->tx_dot3statsdeferredtransmissions; - estats->stat_FlowControlDone += new->tx_flowcontroldone; - estats->stat_XoffStateEntered += new->rx_xoffstateentered; -} - -static int bnx2x_update_storm_stats(struct bnx2x *bp) -{ - struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats); - struct tstorm_common_stats *tstats = &stats->tstorm_common; - struct tstorm_per_client_stats *tclient = - &tstats->client_statistics[0]; - struct tstorm_per_client_stats *old_tclient = &bp->old_tclient; - struct xstorm_common_stats *xstats = &stats->xstorm_common; - struct nig_stats *nstats = bnx2x_sp(bp, nig); - struct bnx2x_eth_stats *estats = bnx2x_sp(bp, eth_stats); - u32 diff; - - /* are DMAE stats valid? */ - if (nstats->done != 0xffffffff) { - DP(BNX2X_MSG_STATS, "stats not updated by dmae\n"); - return -1; - } - - /* are storm stats valid? */ - if (tstats->done.hi != 0xffffffff) { - DP(BNX2X_MSG_STATS, "stats not updated by tstorm\n"); - return -2; - } - if (xstats->done.hi != 0xffffffff) { - DP(BNX2X_MSG_STATS, "stats not updated by xstorm\n"); - return -3; - } - - estats->total_bytes_received_hi = - estats->valid_bytes_received_hi = - le32_to_cpu(tclient->total_rcv_bytes.hi); - estats->total_bytes_received_lo = - estats->valid_bytes_received_lo = - le32_to_cpu(tclient->total_rcv_bytes.lo); - ADD_64(estats->total_bytes_received_hi, - le32_to_cpu(tclient->rcv_error_bytes.hi), - estats->total_bytes_received_lo, - le32_to_cpu(tclient->rcv_error_bytes.lo)); - - UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, - total_unicast_packets_received_hi, - total_unicast_packets_received_lo); - UPDATE_EXTEND_TSTAT(rcv_multicast_pkts, - total_multicast_packets_received_hi, - total_multicast_packets_received_lo); - UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts, - total_broadcast_packets_received_hi, - total_broadcast_packets_received_lo); - - estats->frames_received_64_bytes = MAC_STX_NA; - estats->frames_received_65_127_bytes = MAC_STX_NA; - estats->frames_received_128_255_bytes = MAC_STX_NA; - estats->frames_received_256_511_bytes = MAC_STX_NA; - estats->frames_received_512_1023_bytes = MAC_STX_NA; - estats->frames_received_1024_1522_bytes = MAC_STX_NA; - estats->frames_received_1523_9022_bytes = MAC_STX_NA; - - estats->x_total_sent_bytes_hi = - le32_to_cpu(xstats->total_sent_bytes.hi); - estats->x_total_sent_bytes_lo = - le32_to_cpu(xstats->total_sent_bytes.lo); - estats->x_total_sent_pkts = le32_to_cpu(xstats->total_sent_pkts); - - estats->t_rcv_unicast_bytes_hi = - le32_to_cpu(tclient->rcv_unicast_bytes.hi); - estats->t_rcv_unicast_bytes_lo = - le32_to_cpu(tclient->rcv_unicast_bytes.lo); - estats->t_rcv_broadcast_bytes_hi = - le32_to_cpu(tclient->rcv_broadcast_bytes.hi); - estats->t_rcv_broadcast_bytes_lo = - le32_to_cpu(tclient->rcv_broadcast_bytes.lo); - estats->t_rcv_multicast_bytes_hi = - le32_to_cpu(tclient->rcv_multicast_bytes.hi); - estats->t_rcv_multicast_bytes_lo = - le32_to_cpu(tclient->rcv_multicast_bytes.lo); - estats->t_total_rcv_pkt = le32_to_cpu(tclient->total_rcv_pkts); - - estats->checksum_discard = le32_to_cpu(tclient->checksum_discard); - estats->packets_too_big_discard = - le32_to_cpu(tclient->packets_too_big_discard); - estats->jabber_packets_received = estats->packets_too_big_discard + - estats->stat_Dot3statsFramesTooLong; - estats->no_buff_discard = le32_to_cpu(tclient->no_buff_discard); - estats->ttl0_discard = le32_to_cpu(tclient->ttl0_discard); - estats->mac_discard = le32_to_cpu(tclient->mac_discard); - estats->mac_filter_discard = le32_to_cpu(tstats->mac_filter_discard); - estats->xxoverflow_discard = le32_to_cpu(tstats->xxoverflow_discard); - estats->brb_truncate_discard = - le32_to_cpu(tstats->brb_truncate_discard); - - estats->brb_discard += nstats->brb_discard - bp->old_brb_discard; - bp->old_brb_discard = nstats->brb_discard; - - estats->brb_packet = nstats->brb_packet; - estats->brb_truncate = nstats->brb_truncate; - estats->flow_ctrl_discard = nstats->flow_ctrl_discard; - estats->flow_ctrl_octets = nstats->flow_ctrl_octets; - estats->flow_ctrl_packet = nstats->flow_ctrl_packet; - estats->mng_discard = nstats->mng_discard; - estats->mng_octet_inp = nstats->mng_octet_inp; - estats->mng_octet_out = nstats->mng_octet_out; - estats->mng_packet_inp = nstats->mng_packet_inp; - estats->mng_packet_out = nstats->mng_packet_out; - estats->pbf_octets = nstats->pbf_octets; - estats->pbf_packet = nstats->pbf_packet; - estats->safc_inp = nstats->safc_inp; - - xstats->done.hi = 0; - tstats->done.hi = 0; - nstats->done = 0; - - return 0; -} - -static void bnx2x_update_net_stats(struct bnx2x *bp) -{ - struct bnx2x_eth_stats *estats = bnx2x_sp(bp, eth_stats); - struct net_device_stats *nstats = &bp->dev->stats; - - nstats->rx_packets = - bnx2x_hilo(&estats->total_unicast_packets_received_hi) + - bnx2x_hilo(&estats->total_multicast_packets_received_hi) + - bnx2x_hilo(&estats->total_broadcast_packets_received_hi); - - nstats->tx_packets = - bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) + - bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) + - bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi); - - nstats->rx_bytes = bnx2x_hilo(&estats->total_bytes_received_hi); - - nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi); - - nstats->rx_dropped = estats->checksum_discard + estats->mac_discard; - nstats->tx_dropped = 0; - - nstats->multicast = - bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi); - - nstats->collisions = estats->single_collision_transmit_frames + - estats->multiple_collision_transmit_frames + - estats->late_collision_frames + - estats->excessive_collision_frames; - - nstats->rx_length_errors = estats->runt_packets_received + - estats->jabber_packets_received; - nstats->rx_over_errors = estats->brb_discard + - estats->brb_truncate_discard; - nstats->rx_crc_errors = estats->crc_receive_errors; - nstats->rx_frame_errors = estats->alignment_errors; - nstats->rx_fifo_errors = estats->no_buff_discard; - nstats->rx_missed_errors = estats->xxoverflow_discard; - - nstats->rx_errors = nstats->rx_length_errors + - nstats->rx_over_errors + - nstats->rx_crc_errors + - nstats->rx_frame_errors + - nstats->rx_fifo_errors + - nstats->rx_missed_errors; - - nstats->tx_aborted_errors = estats->late_collision_frames + - estats->excessive_collision_frames; - nstats->tx_carrier_errors = estats->false_carrier_detections; - nstats->tx_fifo_errors = 0; - nstats->tx_heartbeat_errors = 0; - nstats->tx_window_errors = 0; - - nstats->tx_errors = nstats->tx_aborted_errors + - nstats->tx_carrier_errors; - - estats->mac_stx_start = ++estats->mac_stx_end; -} - -static void bnx2x_update_stats(struct bnx2x *bp) -{ - int i; - - if (!bnx2x_update_storm_stats(bp)) { - - if (bp->phy_flags & PHY_BMAC_FLAG) { - bnx2x_update_bmac_stats(bp); - - } else if (bp->phy_flags & PHY_EMAC_FLAG) { - bnx2x_update_emac_stats(bp); - - } else { /* unreached */ - BNX2X_ERR("no MAC active\n"); - return; - } - - bnx2x_update_net_stats(bp); - } - - if (bp->msglevel & NETIF_MSG_TIMER) { - struct bnx2x_eth_stats *estats = bnx2x_sp(bp, eth_stats); - struct net_device_stats *nstats = &bp->dev->stats; - - printk(KERN_DEBUG "%s:\n", bp->dev->name); - printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)" - " tx pkt (%lx)\n", - bnx2x_tx_avail(bp->fp), - *bp->fp->tx_cons_sb, nstats->tx_packets); - printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)" - " rx pkt (%lx)\n", - (u16)(*bp->fp->rx_cons_sb - bp->fp->rx_comp_cons), - *bp->fp->rx_cons_sb, nstats->rx_packets); - printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n", - netif_queue_stopped(bp->dev)? "Xoff" : "Xon", - estats->driver_xoff, estats->brb_discard); - printk(KERN_DEBUG "tstats: checksum_discard %u " - "packets_too_big_discard %u no_buff_discard %u " - "mac_discard %u mac_filter_discard %u " - "xxovrflow_discard %u brb_truncate_discard %u " - "ttl0_discard %u\n", - estats->checksum_discard, - estats->packets_too_big_discard, - estats->no_buff_discard, estats->mac_discard, - estats->mac_filter_discard, estats->xxoverflow_discard, - estats->brb_truncate_discard, estats->ttl0_discard); - - for_each_queue(bp, i) { - printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i, - bnx2x_fp(bp, i, tx_pkt), - bnx2x_fp(bp, i, rx_pkt), - bnx2x_fp(bp, i, rx_calls)); - } - } - - if (bp->state != BNX2X_STATE_OPEN) { - DP(BNX2X_MSG_STATS, "state is %x, returning\n", bp->state); - return; - } - -#ifdef BNX2X_STOP_ON_ERROR - if (unlikely(bp->panic)) - return; -#endif - - /* loader */ - if (bp->executer_idx) { - struct dmae_command *dmae = &bp->dmae; - int port = bp->port; - int loader_idx = port * 8; - - memset(dmae, 0, sizeof(struct dmae_command)); - - dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | - DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE | - DMAE_CMD_DST_RESET | -#ifdef __BIG_ENDIAN - DMAE_CMD_ENDIANITY_B_DW_SWAP | -#else - DMAE_CMD_ENDIANITY_DW_SWAP | -#endif - (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0)); - dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0])); - dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0])); - dmae->dst_addr_lo = (DMAE_REG_CMD_MEM + - sizeof(struct dmae_command) * - (loader_idx + 1)) >> 2; - dmae->dst_addr_hi = 0; - dmae->len = sizeof(struct dmae_command) >> 2; - dmae->len--; /* !!! for A0/1 only */ - dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2; - dmae->comp_addr_hi = 0; - dmae->comp_val = 1; - - bnx2x_post_dmae(bp, dmae, loader_idx); - } - - if (bp->stats_state != STATS_STATE_ENABLE) { - bp->stats_state = STATS_STATE_DISABLE; - return; - } - - if (bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0, 0, 0, 0) == 0) { - /* stats ramrod has it's own slot on the spe */ - bp->spq_left++; - bp->stat_pending = 1; - } -} - -static void bnx2x_timer(unsigned long data) -{ - struct bnx2x *bp = (struct bnx2x *) data; - - if (!netif_running(bp->dev)) - return; - - if (atomic_read(&bp->intr_sem) != 0) - goto timer_restart; - - if (poll) { - struct bnx2x_fastpath *fp = &bp->fp[0]; - int rc; - - bnx2x_tx_int(fp, 1000); - rc = bnx2x_rx_int(fp, 1000); - } - - if (!nomcp) { - int port = bp->port; - u32 drv_pulse; - u32 mcp_pulse; - - ++bp->fw_drv_pulse_wr_seq; - bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK; - /* TBD - add SYSTEM_TIME */ - drv_pulse = bp->fw_drv_pulse_wr_seq; - SHMEM_WR(bp, func_mb[port].drv_pulse_mb, drv_pulse); - - mcp_pulse = (SHMEM_RD(bp, func_mb[port].mcp_pulse_mb) & - MCP_PULSE_SEQ_MASK); - /* The delta between driver pulse and mcp response - * should be 1 (before mcp response) or 0 (after mcp response) - */ - if ((drv_pulse != mcp_pulse) && - (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) { - /* someone lost a heartbeat... */ - BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n", - drv_pulse, mcp_pulse); - } - } - - if (bp->stats_state == STATS_STATE_DISABLE) - goto timer_restart; - - bnx2x_update_stats(bp); - -timer_restart: - mod_timer(&bp->timer, jiffies + bp->current_interval); -} - -/* end of Statistics */ - -/* nic init */ - -/* - * nic init service functions - */ - -static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb, - dma_addr_t mapping, int id) -{ - int port = bp->port; - u64 section; - int index; - - /* USTORM */ - section = ((u64)mapping) + offsetof(struct host_status_block, - u_status_block); - sb->u_status_block.status_block_id = id; - - REG_WR(bp, BAR_USTRORM_INTMEM + - USTORM_SB_HOST_SB_ADDR_OFFSET(port, id), U64_LO(section)); - REG_WR(bp, BAR_USTRORM_INTMEM + - ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, id)) + 4), - U64_HI(section)); - - for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++) - REG_WR16(bp, BAR_USTRORM_INTMEM + - USTORM_SB_HC_DISABLE_OFFSET(port, id, index), 0x1); - - /* CSTORM */ - section = ((u64)mapping) + offsetof(struct host_status_block, - c_status_block); - sb->c_status_block.status_block_id = id; - - REG_WR(bp, BAR_CSTRORM_INTMEM + - CSTORM_SB_HOST_SB_ADDR_OFFSET(port, id), U64_LO(section)); - REG_WR(bp, BAR_CSTRORM_INTMEM + - ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, id)) + 4), - U64_HI(section)); - - for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++) - REG_WR16(bp, BAR_CSTRORM_INTMEM + - CSTORM_SB_HC_DISABLE_OFFSET(port, id, index), 0x1); - - bnx2x_ack_sb(bp, id, CSTORM_ID, 0, IGU_INT_ENABLE, 0); -} - -static void bnx2x_init_def_sb(struct bnx2x *bp, - struct host_def_status_block *def_sb, - dma_addr_t mapping, int id) -{ - int port = bp->port; - int index, val, reg_offset; - u64 section; - - /* ATTN */ - section = ((u64)mapping) + offsetof(struct host_def_status_block, - atten_status_block); - def_sb->atten_status_block.status_block_id = id; - - bp->def_att_idx = 0; - bp->attn_state = 0; - - reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 : - MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); - - for (index = 0; index < 3; index++) { - bp->attn_group[index].sig[0] = REG_RD(bp, - reg_offset + 0x10*index); - bp->attn_group[index].sig[1] = REG_RD(bp, - reg_offset + 0x4 + 0x10*index); - bp->attn_group[index].sig[2] = REG_RD(bp, - reg_offset + 0x8 + 0x10*index); - bp->attn_group[index].sig[3] = REG_RD(bp, - reg_offset + 0xc + 0x10*index); - } - - bp->aeu_mask = REG_RD(bp, (port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : - MISC_REG_AEU_MASK_ATTN_FUNC_0)); - - reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L : - HC_REG_ATTN_MSG0_ADDR_L); - - REG_WR(bp, reg_offset, U64_LO(section)); - REG_WR(bp, reg_offset + 4, U64_HI(section)); - - reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0); - - val = REG_RD(bp, reg_offset); - val |= id; - REG_WR(bp, reg_offset, val); - - /* USTORM */ - section = ((u64)mapping) + offsetof(struct host_def_status_block, - u_def_status_block); - def_sb->u_def_status_block.status_block_id = id; - - bp->def_u_idx = 0; - - REG_WR(bp, BAR_USTRORM_INTMEM + - USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section)); - REG_WR(bp, BAR_USTRORM_INTMEM + - ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port)) + 4), - U64_HI(section)); - REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), - BNX2X_BTR); - - for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++) - REG_WR16(bp, BAR_USTRORM_INTMEM + - USTORM_DEF_SB_HC_DISABLE_OFFSET(port, index), 0x1); - - /* CSTORM */ - section = ((u64)mapping) + offsetof(struct host_def_status_block, - c_def_status_block); - def_sb->c_def_status_block.status_block_id = id; - - bp->def_c_idx = 0; - - REG_WR(bp, BAR_CSTRORM_INTMEM + - CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section)); - REG_WR(bp, BAR_CSTRORM_INTMEM + - ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port)) + 4), - U64_HI(section)); - REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), - BNX2X_BTR); - - for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++) - REG_WR16(bp, BAR_CSTRORM_INTMEM + - CSTORM_DEF_SB_HC_DISABLE_OFFSET(port, index), 0x1); - - /* TSTORM */ - section = ((u64)mapping) + offsetof(struct host_def_status_block, - t_def_status_block); - def_sb->t_def_status_block.status_block_id = id; - - bp->def_t_idx = 0; - - REG_WR(bp, BAR_TSTRORM_INTMEM + - TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section)); - REG_WR(bp, BAR_TSTRORM_INTMEM + - ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port)) + 4), - U64_HI(section)); - REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), - BNX2X_BTR); - - for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++) - REG_WR16(bp, BAR_TSTRORM_INTMEM + - TSTORM_DEF_SB_HC_DISABLE_OFFSET(port, index), 0x1); - - /* XSTORM */ - section = ((u64)mapping) + offsetof(struct host_def_status_block, - x_def_status_block); - def_sb->x_def_status_block.status_block_id = id; - - bp->def_x_idx = 0; - - REG_WR(bp, BAR_XSTRORM_INTMEM + - XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section)); - REG_WR(bp, BAR_XSTRORM_INTMEM + - ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port)) + 4), - U64_HI(section)); - REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), - BNX2X_BTR); - - for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++) - REG_WR16(bp, BAR_XSTRORM_INTMEM + - XSTORM_DEF_SB_HC_DISABLE_OFFSET(port, index), 0x1); - - bp->stat_pending = 0; - - bnx2x_ack_sb(bp, id, CSTORM_ID, 0, IGU_INT_ENABLE, 0); -} - -static void bnx2x_update_coalesce(struct bnx2x *bp) -{ - int port = bp->port; - int i; - - for_each_queue(bp, i) { - - /* HC_INDEX_U_ETH_RX_CQ_CONS */ - REG_WR8(bp, BAR_USTRORM_INTMEM + - USTORM_SB_HC_TIMEOUT_OFFSET(port, i, - HC_INDEX_U_ETH_RX_CQ_CONS), - bp->rx_ticks_int/12); - REG_WR16(bp, BAR_USTRORM_INTMEM + - USTORM_SB_HC_DISABLE_OFFSET(port, i, - HC_INDEX_U_ETH_RX_CQ_CONS), - bp->rx_ticks_int ? 0 : 1); - - /* HC_INDEX_C_ETH_TX_CQ_CONS */ - REG_WR8(bp, BAR_CSTRORM_INTMEM + - CSTORM_SB_HC_TIMEOUT_OFFSET(port, i, - HC_INDEX_C_ETH_TX_CQ_CONS), - bp->tx_ticks_int/12); - REG_WR16(bp, BAR_CSTRORM_INTMEM + - CSTORM_SB_HC_DISABLE_OFFSET(port, i, - HC_INDEX_C_ETH_TX_CQ_CONS), - bp->tx_ticks_int ? 0 : 1); - } -} - -static void bnx2x_init_rx_rings(struct bnx2x *bp) -{ - u16 ring_prod; - int i, j; - int port = bp->port; - - bp->rx_buf_use_size = bp->dev->mtu; - - bp->rx_buf_use_size += bp->rx_offset + ETH_OVREHEAD; - bp->rx_buf_size = bp->rx_buf_use_size + 64; - - for_each_queue(bp, j) { - struct bnx2x_fastpath *fp = &bp->fp[j]; - - fp->rx_bd_cons = 0; - fp->rx_cons_sb = BNX2X_RX_SB_INDEX; - - for (i = 1; i <= NUM_RX_RINGS; i++) { - struct eth_rx_bd *rx_bd; - - rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2]; - rx_bd->addr_hi = - cpu_to_le32(U64_HI(fp->rx_desc_mapping + - BCM_PAGE_SIZE*(i % NUM_RX_RINGS))); - rx_bd->addr_lo = - cpu_to_le32(U64_LO(fp->rx_desc_mapping + - BCM_PAGE_SIZE*(i % NUM_RX_RINGS))); - - } - - for (i = 1; i <= NUM_RCQ_RINGS; i++) { - struct eth_rx_cqe_next_page *nextpg; - - nextpg = (struct eth_rx_cqe_next_page *) - &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1]; - nextpg->addr_hi = - cpu_to_le32(U64_HI(fp->rx_comp_mapping + - BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS))); - nextpg->addr_lo = - cpu_to_le32(U64_LO(fp->rx_comp_mapping + - BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS))); - } - - /* rx completion queue */ - fp->rx_comp_cons = ring_prod = 0; - - for (i = 0; i < bp->rx_ring_size; i++) { - if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) { - BNX2X_ERR("was only able to allocate " - "%d rx skbs\n", i); - break; - } - ring_prod = NEXT_RX_IDX(ring_prod); - BUG_TRAP(ring_prod > i); - } - - fp->rx_bd_prod = fp->rx_comp_prod = ring_prod; - fp->rx_pkt = fp->rx_calls = 0; - - /* Warning! this will generate an interrupt (to the TSTORM) */ - /* must only be done when chip is initialized */ - REG_WR(bp, BAR_TSTRORM_INTMEM + - TSTORM_RCQ_PROD_OFFSET(port, j), ring_prod); - if (j != 0) - continue; - - REG_WR(bp, BAR_USTRORM_INTMEM + - USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(port), - U64_LO(fp->rx_comp_mapping)); - REG_WR(bp, BAR_USTRORM_INTMEM + - USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(port) + 4, - U64_HI(fp->rx_comp_mapping)); - } -} - -static void bnx2x_init_tx_ring(struct bnx2x *bp) -{ - int i, j; - - for_each_queue(bp, j) { - struct bnx2x_fastpath *fp = &bp->fp[j]; - - for (i = 1; i <= NUM_TX_RINGS; i++) { - struct eth_tx_bd *tx_bd = - &fp->tx_desc_ring[TX_DESC_CNT * i - 1]; - - tx_bd->addr_hi = - cpu_to_le32(U64_HI(fp->tx_desc_mapping + - BCM_PAGE_SIZE*(i % NUM_TX_RINGS))); - tx_bd->addr_lo = - cpu_to_le32(U64_LO(fp->tx_desc_mapping + - BCM_PAGE_SIZE*(i % NUM_TX_RINGS))); - } - - fp->tx_pkt_prod = 0; - fp->tx_pkt_cons = 0; - fp->tx_bd_prod = 0; - fp->tx_bd_cons = 0; - fp->tx_cons_sb = BNX2X_TX_SB_INDEX; - fp->tx_pkt = 0; - } -} - -static void bnx2x_init_sp_ring(struct bnx2x *bp) -{ - int port = bp->port; - - spin_lock_init(&bp->spq_lock); - - bp->spq_left = MAX_SPQ_PENDING; - bp->spq_prod_idx = 0; - bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX; - bp->spq_prod_bd = bp->spq; - bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT; - - REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PAGE_BASE_OFFSET(port), - U64_LO(bp->spq_mapping)); - REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PAGE_BASE_OFFSET(port) + 4, - U64_HI(bp->spq_mapping)); - - REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(port), - bp->spq_prod_idx); -} - -static void bnx2x_init_context(struct bnx2x *bp) -{ - int i; - - for_each_queue(bp, i) { - struct eth_context *context = bnx2x_sp(bp, context[i].eth); - struct bnx2x_fastpath *fp = &bp->fp[i]; - - context->xstorm_st_context.tx_bd_page_base_hi = - U64_HI(fp->tx_desc_mapping); - context->xstorm_st_context.tx_bd_page_base_lo = - U64_LO(fp->tx_desc_mapping); - context->xstorm_st_context.db_data_addr_hi = - U64_HI(fp->tx_prods_mapping); - context->xstorm_st_context.db_data_addr_lo = - U64_LO(fp->tx_prods_mapping); - - context->ustorm_st_context.rx_bd_page_base_hi = - U64_HI(fp->rx_desc_mapping); - context->ustorm_st_context.rx_bd_page_base_lo = - U64_LO(fp->rx_desc_mapping); - context->ustorm_st_context.status_block_id = i; - context->ustorm_st_context.sb_index_number = - HC_INDEX_U_ETH_RX_CQ_CONS; - context->ustorm_st_context.rcq_base_address_hi = - U64_HI(fp->rx_comp_mapping); - context->ustorm_st_context.rcq_base_address_lo = - U64_LO(fp->rx_comp_mapping); - context->ustorm_st_context.flags = - USTORM_ETH_ST_CONTEXT_ENABLE_MC_ALIGNMENT; - context->ustorm_st_context.mc_alignment_size = 64; - context->ustorm_st_context.num_rss = bp->num_queues; - - context->cstorm_st_context.sb_index_number = - HC_INDEX_C_ETH_TX_CQ_CONS; - context->cstorm_st_context.status_block_id = i; - - context->xstorm_ag_context.cdu_reserved = - CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i), - CDU_REGION_NUMBER_XCM_AG, - ETH_CONNECTION_TYPE); - context->ustorm_ag_context.cdu_usage = - CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i), - CDU_REGION_NUMBER_UCM_AG, - ETH_CONNECTION_TYPE); - } -} - -static void bnx2x_init_ind_table(struct bnx2x *bp) -{ - int port = bp->port; - int i; - - if (!is_multi(bp)) - return; - - for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++) - REG_WR8(bp, TSTORM_INDIRECTION_TABLE_OFFSET(port) + i, - i % bp->num_queues); - - REG_WR(bp, PRS_REG_A_PRSU_20, 0xf); -} - -static void bnx2x_set_client_config(struct bnx2x *bp) -{ -#ifdef BCM_VLAN - int mode = bp->rx_mode; -#endif - int i, port = bp->port; - struct tstorm_eth_client_config tstorm_client = {0}; - - tstorm_client.mtu = bp->dev->mtu; - tstorm_client.statistics_counter_id = 0; - tstorm_client.config_flags = - TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE; -#ifdef BCM_VLAN - if (mode && bp->vlgrp) { - tstorm_client.config_flags |= - TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE; - DP(NETIF_MSG_IFUP, "vlan removal enabled\n"); - } -#endif - if (mode != BNX2X_RX_MODE_PROMISC) - tstorm_client.drop_flags = - TSTORM_ETH_CLIENT_CONFIG_DROP_MAC_ERR; - - for_each_queue(bp, i) { - REG_WR(bp, BAR_TSTRORM_INTMEM + - TSTORM_CLIENT_CONFIG_OFFSET(port, i), - ((u32 *)&tstorm_client)[0]); - REG_WR(bp, BAR_TSTRORM_INTMEM + - TSTORM_CLIENT_CONFIG_OFFSET(port, i) + 4, - ((u32 *)&tstorm_client)[1]); - } - -/* DP(NETIF_MSG_IFUP, "tstorm_client: 0x%08x 0x%08x\n", - ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]); */ -} - -static void bnx2x_set_storm_rx_mode(struct bnx2x *bp) -{ - int mode = bp->rx_mode; - int port = bp->port; - struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0}; - int i; - - DP(NETIF_MSG_RX_STATUS, "rx mode is %d\n", mode); - - switch (mode) { - case BNX2X_RX_MODE_NONE: /* no Rx */ - tstorm_mac_filter.ucast_drop_all = 1; - tstorm_mac_filter.mcast_drop_all = 1; - tstorm_mac_filter.bcast_drop_all = 1; - break; - case BNX2X_RX_MODE_NORMAL: - tstorm_mac_filter.bcast_accept_all = 1; - break; - case BNX2X_RX_MODE_ALLMULTI: - tstorm_mac_filter.mcast_accept_all = 1; - tstorm_mac_filter.bcast_accept_all = 1; - break; - case BNX2X_RX_MODE_PROMISC: - tstorm_mac_filter.ucast_accept_all = 1; - tstorm_mac_filter.mcast_accept_all = 1; - tstorm_mac_filter.bcast_accept_all = 1; - break; - default: - BNX2X_ERR("bad rx mode (%d)\n", mode); - } - - for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) { - REG_WR(bp, BAR_TSTRORM_INTMEM + - TSTORM_MAC_FILTER_CONFIG_OFFSET(port) + i * 4, - ((u32 *)&tstorm_mac_filter)[i]); - -/* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i, - ((u32 *)&tstorm_mac_filter)[i]); */ - } - - if (mode != BNX2X_RX_MODE_NONE) - bnx2x_set_client_config(bp); -} - -static void bnx2x_init_internal(struct bnx2x *bp) -{ - int port = bp->port; - struct tstorm_eth_function_common_config tstorm_config = {0}; - struct stats_indication_flags stats_flags = {0}; - - if (is_multi(bp)) { - tstorm_config.config_flags = MULTI_FLAGS; - tstorm_config.rss_result_mask = MULTI_MASK; - } - - REG_WR(bp, BAR_TSTRORM_INTMEM + - TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(port), - (*(u32 *)&tstorm_config)); - -/* DP(NETIF_MSG_IFUP, "tstorm_config: 0x%08x\n", - (*(u32 *)&tstorm_config)); */ - - bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */ - bnx2x_set_storm_rx_mode(bp); - - stats_flags.collect_eth = cpu_to_le32(1); - - REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(port), - ((u32 *)&stats_flags)[0]); - REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(port) + 4, - ((u32 *)&stats_flags)[1]); - - REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(port), - ((u32 *)&stats_flags)[0]); - REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(port) + 4, - ((u32 *)&stats_flags)[1]); - - REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(port), - ((u32 *)&stats_flags)[0]); - REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(port) + 4, - ((u32 *)&stats_flags)[1]); - -/* DP(NETIF_MSG_IFUP, "stats_flags: 0x%08x 0x%08x\n", - ((u32 *)&stats_flags)[0], ((u32 *)&stats_flags)[1]); */ -} - -static void bnx2x_nic_init(struct bnx2x *bp) -{ - int i; - - for_each_queue(bp, i) { - struct bnx2x_fastpath *fp = &bp->fp[i]; - - fp->state = BNX2X_FP_STATE_CLOSED; - DP(NETIF_MSG_IFUP, "bnx2x_init_sb(%p,%p,%d);\n", - bp, fp->status_blk, i); - fp->index = i; - bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping, i); - } - - bnx2x_init_def_sb(bp, bp->def_status_blk, - bp->def_status_blk_mapping, 0x10); - bnx2x_update_coalesce(bp); - bnx2x_init_rx_rings(bp); - bnx2x_init_tx_ring(bp); - bnx2x_init_sp_ring(bp); - bnx2x_init_context(bp); - bnx2x_init_internal(bp); - bnx2x_init_stats(bp); - bnx2x_init_ind_table(bp); - bnx2x_int_enable(bp); - -} - -/* end of nic init */ - -/* - * gzip service functions - */ - -static int bnx2x_gunzip_init(struct bnx2x *bp) -{ - bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE, - &bp->gunzip_mapping); - if (bp->gunzip_buf == NULL) - goto gunzip_nomem1; - - bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL); - if (bp->strm == NULL) - goto gunzip_nomem2; - - bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(), - GFP_KERNEL); - if (bp->strm->workspace == NULL) - goto gunzip_nomem3; - - return 0; - -gunzip_nomem3: - kfree(bp->strm); - bp->strm = NULL; - -gunzip_nomem2: - pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf, - bp->gunzip_mapping); - bp->gunzip_buf = NULL; - -gunzip_nomem1: - printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for" - " uncompression\n", bp->dev->name); - return -ENOMEM; -} - -static void bnx2x_gunzip_end(struct bnx2x *bp) -{ - kfree(bp->strm->workspace); - - kfree(bp->strm); - bp->strm = NULL; - - if (bp->gunzip_buf) { - pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf, - bp->gunzip_mapping); - bp->gunzip_buf = NULL; - } -} - -static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len) -{ - int n, rc; - - /* check gzip header */ - if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) - return -EINVAL; - - n = 10; - -#define FNAME 0x8 - - if (zbuf[3] & FNAME) - while ((zbuf[n++] != 0) && (n < len)); - - bp->strm->next_in = zbuf + n; - bp->strm->avail_in = len - n; - bp->strm->next_out = bp->gunzip_buf; - bp->strm->avail_out = FW_BUF_SIZE; - - rc = zlib_inflateInit2(bp->strm, -MAX_WBITS); - if (rc != Z_OK) - return rc; - - rc = zlib_inflate(bp->strm, Z_FINISH); - if ((rc != Z_OK) && (rc != Z_STREAM_END)) - printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n", - bp->dev->name, bp->strm->msg); - - bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out); - if (bp->gunzip_outlen & 0x3) - printk(KERN_ERR PFX "%s: Firmware decompression error:" - " gunzip_outlen (%d) not aligned\n", - bp->dev->name, bp->gunzip_outlen); - bp->gunzip_outlen >>= 2; - - zlib_inflateEnd(bp->strm); - - if (rc == Z_STREAM_END) - return 0; - - return rc; -} - -/* nic load/unload */ - -/* - * general service functions - */ - -/* send a NIG loopback debug packet */ -static void bnx2x_lb_pckt(struct bnx2x *bp) -{ -#ifdef USE_DMAE - u32 wb_write[3]; -#endif - - /* Ethernet source and destination addresses */ -#ifdef USE_DMAE - wb_write[0] = 0x55555555; - wb_write[1] = 0x55555555; - wb_write[2] = 0x20; /* SOP */ - REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3); -#else - REG_WR_IND(bp, NIG_REG_DEBUG_PACKET_LB, 0x55555555); - REG_WR_IND(bp, NIG_REG_DEBUG_PACKET_LB + 4, 0x55555555); - /* SOP */ - REG_WR_IND(bp, NIG_REG_DEBUG_PACKET_LB + 8, 0x20); -#endif - - /* NON-IP protocol */ -#ifdef USE_DMAE - wb_write[0] = 0x09000000; - wb_write[1] = 0x55555555; - wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */ - REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3); -#else - REG_WR_IND(bp, NIG_REG_DEBUG_PACKET_LB, 0x09000000); - REG_WR_IND(bp, NIG_REG_DEBUG_PACKET_LB + 4, 0x55555555); - /* EOP, eop_bvalid = 0 */ - REG_WR_IND(bp, NIG_REG_DEBUG_PACKET_LB + 8, 0x10); -#endif -} - -/* some of the internal memories - * are not directly readable from the driver - * to test them we send debug packets - */ -static int bnx2x_int_mem_test(struct bnx2x *bp) -{ - int factor; - int count, i; - u32 val = 0; - - switch (CHIP_REV(bp)) { - case CHIP_REV_EMUL: - factor = 200; - break; - case CHIP_REV_FPGA: - factor = 120; - break; - default: - factor = 1; - break; - } - - DP(NETIF_MSG_HW, "start part1\n"); - - /* Disable inputs of parser neighbor blocks */ - REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0); - REG_WR(bp, TCM_REG_PRS_IFEN, 0x0); - REG_WR(bp, CFC_REG_DEBUG0, 0x1); - NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x0); - - /* Write 0 to parser credits for CFC search request */ - REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0); - - /* send Ethernet packet */ - bnx2x_lb_pckt(bp); - - /* TODO do i reset NIG statistic? */ - /* Wait until NIG register shows 1 packet of size 0x10 */ - count = 1000 * factor; - while (count) { -#ifdef BNX2X_DMAE_RD - bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2); - val = *bnx2x_sp(bp, wb_data[0]); -#else - val = REG_RD(bp, NIG_REG_STAT2_BRB_OCTET); - REG_RD(bp, NIG_REG_STAT2_BRB_OCTET + 4); -#endif - if (val == 0x10) - break; - - msleep(10); - count--; - } - if (val != 0x10) { - BNX2X_ERR("NIG timeout val = 0x%x\n", val); - return -1; - } - - /* Wait until PRS register shows 1 packet */ - count = 1000 * factor; - while (count) { - val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS); - - if (val == 1) - break; - - msleep(10); - count--; - } - if (val != 0x1) { - BNX2X_ERR("PRS timeout val = 0x%x\n", val); - return -2; - } - - /* Reset and init BRB, PRS */ - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x3); - msleep(50); - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x3); - msleep(50); - bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END); - bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END); - - DP(NETIF_MSG_HW, "part2\n"); - - /* Disable inputs of parser neighbor blocks */ - REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0); - REG_WR(bp, TCM_REG_PRS_IFEN, 0x0); - REG_WR(bp, CFC_REG_DEBUG0, 0x1); - NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x0); - - /* Write 0 to parser credits for CFC search request */ - REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0); - - /* send 10 Ethernet packets */ - for (i = 0; i < 10; i++) - bnx2x_lb_pckt(bp); - - /* Wait until NIG register shows 10 + 1 - packets of size 11*0x10 = 0xb0 */ - count = 1000 * factor; - while (count) { -#ifdef BNX2X_DMAE_RD - bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2); - val = *bnx2x_sp(bp, wb_data[0]); -#else - val = REG_RD(bp, NIG_REG_STAT2_BRB_OCTET); - REG_RD(bp, NIG_REG_STAT2_BRB_OCTET + 4); -#endif - if (val == 0xb0) - break; - - msleep(10); - count--; - } - if (val != 0xb0) { - BNX2X_ERR("NIG timeout val = 0x%x\n", val); - return -3; - } - - /* Wait until PRS register shows 2 packets */ - val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS); - if (val != 2) - BNX2X_ERR("PRS timeout val = 0x%x\n", val); - - /* Write 1 to parser credits for CFC search request */ - REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1); - - /* Wait until PRS register shows 3 packets */ - msleep(10 * factor); - /* Wait until NIG register shows 1 packet of size 0x10 */ - val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS); - if (val != 3) - BNX2X_ERR("PRS timeout val = 0x%x\n", val); - - /* clear NIG EOP FIFO */ - for (i = 0; i < 11; i++) - REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO); - val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY); - if (val != 1) { - BNX2X_ERR("clear of NIG failed\n"); - return -4; - } - - /* Reset and init BRB, PRS, NIG */ - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03); - msleep(50); - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03); - msleep(50); - bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END); - bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END); -#ifndef BCM_ISCSI - /* set NIC mode */ - REG_WR(bp, PRS_REG_NIC_MODE, 1); -#endif - - /* Enable inputs of parser neighbor blocks */ - REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff); - REG_WR(bp, TCM_REG_PRS_IFEN, 0x1); - REG_WR(bp, CFC_REG_DEBUG0, 0x0); - NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x1); - - DP(NETIF_MSG_HW, "done\n"); - - return 0; /* OK */ -} - -static void enable_blocks_attention(struct bnx2x *bp) -{ - REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0); - REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0); - REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0); - REG_WR(bp, CFC_REG_CFC_INT_MASK, 0); - REG_WR(bp, QM_REG_QM_INT_MASK, 0); - REG_WR(bp, TM_REG_TM_INT_MASK, 0); - REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0); - REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0); - REG_WR(bp, XCM_REG_XCM_INT_MASK, 0); -/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */ -/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */ - REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0); - REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0); - REG_WR(bp, UCM_REG_UCM_INT_MASK, 0); -/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */ -/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */ - REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0); - REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0); - REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0); - REG_WR(bp, CCM_REG_CCM_INT_MASK, 0); -/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */ -/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */ - REG_WR(bp, PXP2_REG_PXP2_INT_MASK, 0x480000); - REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0); - REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0); - REG_WR(bp, TCM_REG_TCM_INT_MASK, 0); -/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */ -/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */ - REG_WR(bp, CDU_REG_CDU_INT_MASK, 0); - REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0); -/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */ - REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */ -} - -static int bnx2x_function_init(struct bnx2x *bp, int mode) -{ - int func = bp->port; - int port = func ? PORT1 : PORT0; - u32 val, i; -#ifdef USE_DMAE - u32 wb_write[2]; -#endif - - DP(BNX2X_MSG_MCP, "function is %d mode is %x\n", func, mode); - if ((func != 0) && (func != 1)) { - BNX2X_ERR("BAD function number (%d)\n", func); - return -ENODEV; - } - - bnx2x_gunzip_init(bp); - - if (mode & 0x1) { /* init common */ - DP(BNX2X_MSG_MCP, "starting common init func %d mode %x\n", - func, mode); - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, - 0xffffffff); - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, - 0xfffc); - bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END); - - REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100); - msleep(30); - REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0); - - bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END); - bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END); - - bnx2x_init_pxp(bp); - - if (CHIP_REV(bp) == CHIP_REV_Ax) { - /* enable HW interrupt from PXP on USDM - overflow bit 16 on INT_MASK_0 */ - REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0); - } - -#ifdef __BIG_ENDIAN - REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1); - REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1); - REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1); - REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1); - REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1); - REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1); - -/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */ - REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1); - REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1); - REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1); - REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1); -#endif - -#ifndef BCM_ISCSI - /* set NIC mode */ - REG_WR(bp, PRS_REG_NIC_MODE, 1); -#endif - - REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 5); -#ifdef BCM_ISCSI - REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5); - REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5); - REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5); -#endif - - bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END); - - /* let the HW do it's magic ... */ - msleep(100); - /* finish PXP init - (can be moved up if we want to use the DMAE) */ - val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE); - if (val != 1) { - BNX2X_ERR("PXP2 CFG failed\n"); - return -EBUSY; - } - - val = REG_RD(bp, PXP2_REG_RD_INIT_DONE); - if (val != 1) { - BNX2X_ERR("PXP2 RD_INIT failed\n"); - return -EBUSY; - } - - REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0); - REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0); - - bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8); - - bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END); - bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END); - bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END); - bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END); - -#ifdef BNX2X_DMAE_RD - bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3); - bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3); - bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3); - bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3); -#else - REG_RD(bp, XSEM_REG_PASSIVE_BUFFER); - REG_RD(bp, XSEM_REG_PASSIVE_BUFFER + 4); - REG_RD(bp, XSEM_REG_PASSIVE_BUFFER + 8); - REG_RD(bp, CSEM_REG_PASSIVE_BUFFER); - REG_RD(bp, CSEM_REG_PASSIVE_BUFFER + 4); - REG_RD(bp, CSEM_REG_PASSIVE_BUFFER + 8); - REG_RD(bp, TSEM_REG_PASSIVE_BUFFER); - REG_RD(bp, TSEM_REG_PASSIVE_BUFFER + 4); - REG_RD(bp, TSEM_REG_PASSIVE_BUFFER + 8); - REG_RD(bp, USEM_REG_PASSIVE_BUFFER); - REG_RD(bp, USEM_REG_PASSIVE_BUFFER + 4); - REG_RD(bp, USEM_REG_PASSIVE_BUFFER + 8); -#endif - bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END); - /* soft reset pulse */ - REG_WR(bp, QM_REG_SOFT_RESET, 1); - REG_WR(bp, QM_REG_SOFT_RESET, 0); - -#ifdef BCM_ISCSI - bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END); -#endif - bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END); - REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_BITS); - if (CHIP_REV(bp) == CHIP_REV_Ax) { - /* enable hw interrupt from doorbell Q */ - REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0); - } - - bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END); - - if (CHIP_REV_IS_SLOW(bp)) { - /* fix for emulation and FPGA for no pause */ - REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513); - REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513); - REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0); - REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0); - } - - bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END); - - bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END); - bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END); - bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END); - bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END); - - bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE); - bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE); - bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE); - bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE); - - bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END); - bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END); - bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END); - bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END); - - /* sync semi rtc */ - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, - 0x80000000); - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, - 0x80000000); - - bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END); - bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END); - bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END); - - REG_WR(bp, SRC_REG_SOFT_RST, 1); - for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) { - REG_WR(bp, i, 0xc0cac01a); - /* TODO: replace with something meaningful */ - } - /* SRCH COMMON comes here */ - REG_WR(bp, SRC_REG_SOFT_RST, 0); - - if (sizeof(union cdu_context) != 1024) { - /* we currently assume that a context is 1024 bytes */ - printk(KERN_ALERT PFX "please adjust the size of" - " cdu_context(%ld)\n", - (long)sizeof(union cdu_context)); - } - val = (4 << 24) + (0 << 12) + 1024; - REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val); - bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END); - - bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END); - REG_WR(bp, CFC_REG_INIT_REG, 0x7FF); - - bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END); - bnx2x_init_block(bp, MISC_AEU_COMMON_START, - MISC_AEU_COMMON_END); - /* RXPCS COMMON comes here */ - /* EMAC0 COMMON comes here */ - /* EMAC1 COMMON comes here */ - /* DBU COMMON comes here */ - /* DBG COMMON comes here */ - bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END); - - if (CHIP_REV_IS_SLOW(bp)) - msleep(200); - - /* finish CFC init */ - val = REG_RD(bp, CFC_REG_LL_INIT_DONE); - if (val != 1) { - BNX2X_ERR("CFC LL_INIT failed\n"); - return -EBUSY; - } - - val = REG_RD(bp, CFC_REG_AC_INIT_DONE); - if (val != 1) { - BNX2X_ERR("CFC AC_INIT failed\n"); - return -EBUSY; - } - - val = REG_RD(bp, CFC_REG_CAM_INIT_DONE); - if (val != 1) { - BNX2X_ERR("CFC CAM_INIT failed\n"); - return -EBUSY; - } - - REG_WR(bp, CFC_REG_DEBUG0, 0); - - /* read NIG statistic - to see if this is our first up since powerup */ -#ifdef BNX2X_DMAE_RD - bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2); - val = *bnx2x_sp(bp, wb_data[0]); -#else - val = REG_RD(bp, NIG_REG_STAT2_BRB_OCTET); - REG_RD(bp, NIG_REG_STAT2_BRB_OCTET + 4); -#endif - /* do internal memory self test */ - if ((val == 0) && bnx2x_int_mem_test(bp)) { - BNX2X_ERR("internal mem selftest failed\n"); - return -EBUSY; - } - - /* clear PXP2 attentions */ - REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR); - - enable_blocks_attention(bp); - /* enable_blocks_parity(bp); */ - - switch (bp->board & SHARED_HW_CFG_BOARD_TYPE_MASK) { - case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G: - /* Fan failure is indicated by SPIO 5 */ - bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5, - MISC_REGISTERS_SPIO_INPUT_HI_Z); - - /* set to active low mode */ - val = REG_RD(bp, MISC_REG_SPIO_INT); - val |= ((1 << MISC_REGISTERS_SPIO_5) << - MISC_REGISTERS_SPIO_INT_OLD_SET_POS); - REG_WR(bp, MISC_REG_SPIO_INT, val); - - /* enable interrupt to signal the IGU */ - val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN); - val |= (1 << MISC_REGISTERS_SPIO_5); - REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val); - break; - - default: - break; - } - - } /* end of common init */ - - /* per port init */ - - /* the phys address is shifted right 12 bits and has an added - 1=valid bit added to the 53rd bit - then since this is a wide register(TM) - we split it into two 32 bit writes - */ -#define RQ_ONCHIP_AT_PORT_SIZE 384 -#define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF)) -#define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44))) -#define PXP_ONE_ILT(x) ((x << 10) | x) - - DP(BNX2X_MSG_MCP, "starting per-function init port is %x\n", func); - - REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + func*4, 0); - - /* Port PXP comes here */ - /* Port PXP2 comes here */ - - /* Offset is - * Port0 0 - * Port1 384 */ - i = func * RQ_ONCHIP_AT_PORT_SIZE; -#ifdef USE_DMAE - wb_write[0] = ONCHIP_ADDR1(bnx2x_sp_mapping(bp, context)); - wb_write[1] = ONCHIP_ADDR2(bnx2x_sp_mapping(bp, context)); - REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); -#else - REG_WR_IND(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, - ONCHIP_ADDR1(bnx2x_sp_mapping(bp, context))); - REG_WR_IND(bp, PXP2_REG_RQ_ONCHIP_AT + i*8 + 4, - ONCHIP_ADDR2(bnx2x_sp_mapping(bp, context))); -#endif - REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4, PXP_ONE_ILT(i)); - -#ifdef BCM_ISCSI - /* Port0 1 - * Port1 385 */ - i++; - wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping); - wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping); - REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); - REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i)); - - /* Port0 2 - * Port1 386 */ - i++; - wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping); - wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping); - REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); - REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i)); - - /* Port0 3 - * Port1 387 */ - i++; - wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping); - wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping); - REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); - REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i)); -#endif - - /* Port TCM comes here */ - /* Port UCM comes here */ - /* Port CCM comes here */ - bnx2x_init_block(bp, func ? XCM_PORT1_START : XCM_PORT0_START, - func ? XCM_PORT1_END : XCM_PORT0_END); - -#ifdef USE_DMAE - wb_write[0] = 0; - wb_write[1] = 0; -#endif - for (i = 0; i < 32; i++) { - REG_WR(bp, QM_REG_BASEADDR + (func*32 + i)*4, 1024 * 4 * i); -#ifdef USE_DMAE - REG_WR_DMAE(bp, QM_REG_PTRTBL + (func*32 + i)*8, wb_write, 2); -#else - REG_WR_IND(bp, QM_REG_PTRTBL + (func*32 + i)*8, 0); - REG_WR_IND(bp, QM_REG_PTRTBL + (func*32 + i)*8 + 4, 0); -#endif - } - REG_WR(bp, QM_REG_CONNNUM_0 + func*4, 1024/16 - 1); - - /* Port QM comes here */ - -#ifdef BCM_ISCSI - REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20); - REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31); - - bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START, - func ? TIMERS_PORT1_END : TIMERS_PORT0_END); -#endif - /* Port DQ comes here */ - /* Port BRB1 comes here */ - bnx2x_init_block(bp, func ? PRS_PORT1_START : PRS_PORT0_START, - func ? PRS_PORT1_END : PRS_PORT0_END); - /* Port TSDM comes here */ - /* Port CSDM comes here */ - /* Port USDM comes here */ - /* Port XSDM comes here */ - bnx2x_init_block(bp, func ? TSEM_PORT1_START : TSEM_PORT0_START, - func ? TSEM_PORT1_END : TSEM_PORT0_END); - bnx2x_init_block(bp, func ? USEM_PORT1_START : USEM_PORT0_START, - func ? USEM_PORT1_END : USEM_PORT0_END); - bnx2x_init_block(bp, func ? CSEM_PORT1_START : CSEM_PORT0_START, - func ? CSEM_PORT1_END : CSEM_PORT0_END); - bnx2x_init_block(bp, func ? XSEM_PORT1_START : XSEM_PORT0_START, - func ? XSEM_PORT1_END : XSEM_PORT0_END); - /* Port UPB comes here */ - /* Port XSDM comes here */ - bnx2x_init_block(bp, func ? PBF_PORT1_START : PBF_PORT0_START, - func ? PBF_PORT1_END : PBF_PORT0_END); - - /* configure PBF to work without PAUSE mtu 9000 */ - REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + func*4, 0); - - /* update threshold */ - REG_WR(bp, PBF_REG_P0_ARB_THRSH + func*4, (9040/16)); - /* update init credit */ - REG_WR(bp, PBF_REG_P0_INIT_CRD + func*4, (9040/16) + 553 - 22); - - /* probe changes */ - REG_WR(bp, PBF_REG_INIT_P0 + func*4, 1); - msleep(5); - REG_WR(bp, PBF_REG_INIT_P0 + func*4, 0); - -#ifdef BCM_ISCSI - /* tell the searcher where the T2 table is */ - REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64); - - wb_write[0] = U64_LO(bp->t2_mapping); - wb_write[1] = U64_HI(bp->t2_mapping); - REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2); - wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64); - wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64); - REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2); - - REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10); - /* Port SRCH comes here */ -#endif - /* Port CDU comes here */ - /* Port CFC comes here */ - bnx2x_init_block(bp, func ? HC_PORT1_START : HC_PORT0_START, - func ? HC_PORT1_END : HC_PORT0_END); - bnx2x_init_block(bp, func ? MISC_AEU_PORT1_START : - MISC_AEU_PORT0_START, - func ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END); - /* Port PXPCS comes here */ - /* Port EMAC0 comes here */ - /* Port EMAC1 comes here */ - /* Port DBU comes here */ - /* Port DBG comes here */ - bnx2x_init_block(bp, func ? NIG_PORT1_START : NIG_PORT0_START, - func ? NIG_PORT1_END : NIG_PORT0_END); - REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + func*4, 1); - /* Port MCP comes here */ - /* Port DMAE comes here */ - - switch (bp->board & SHARED_HW_CFG_BOARD_TYPE_MASK) { - case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G: - /* add SPIO 5 to group 0 */ - val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); - val |= AEU_INPUTS_ATTN_BITS_SPIO5; - REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val); - break; - - default: - break; - } - - bnx2x_link_reset(bp); - - /* Reset PCIE errors for debug */ - REG_WR(bp, 0x2114, 0xffffffff); - REG_WR(bp, 0x2120, 0xffffffff); - REG_WR(bp, 0x2814, 0xffffffff); - - /* !!! move to init_values.h */ - REG_WR(bp, XSDM_REG_INIT_CREDIT_PXP_CTRL, 0x1); - REG_WR(bp, USDM_REG_INIT_CREDIT_PXP_CTRL, 0x1); - REG_WR(bp, CSDM_REG_INIT_CREDIT_PXP_CTRL, 0x1); - REG_WR(bp, TSDM_REG_INIT_CREDIT_PXP_CTRL, 0x1); - - REG_WR(bp, DBG_REG_PCI_REQ_CREDIT, 0x1); - REG_WR(bp, TM_REG_PCIARB_CRDCNT_VAL, 0x1); - REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264); - REG_WR(bp, CDU_REG_CDU_DEBUG, 0x0); - - bnx2x_gunzip_end(bp); - - if (!nomcp) { - port = bp->port; - - bp->fw_drv_pulse_wr_seq = - (SHMEM_RD(bp, func_mb[port].drv_pulse_mb) & - DRV_PULSE_SEQ_MASK); - bp->fw_mb = SHMEM_RD(bp, func_mb[port].fw_mb_param); - DP(BNX2X_MSG_MCP, "drv_pulse 0x%x fw_mb 0x%x\n", - bp->fw_drv_pulse_wr_seq, bp->fw_mb); - } else { - bp->fw_mb = 0; - } - - return 0; -} - -/* send the MCP a request, block until there is a reply */ -static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command) -{ - int port = bp->port; - u32 seq = ++bp->fw_seq; - u32 rc = 0; - - SHMEM_WR(bp, func_mb[port].drv_mb_header, (command | seq)); - DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq)); - - /* let the FW do it's magic ... */ - msleep(100); /* TBD */ - - if (CHIP_REV_IS_SLOW(bp)) - msleep(900); - - rc = SHMEM_RD(bp, func_mb[port].fw_mb_header); - DP(BNX2X_MSG_MCP, "read (%x) seq is (%x) from FW MB\n", rc, seq); - - /* is this a reply to our command? */ - if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) { - rc &= FW_MSG_CODE_MASK; - - } else { - /* FW BUG! */ - BNX2X_ERR("FW failed to respond!\n"); - bnx2x_fw_dump(bp); - rc = 0; - } - - return rc; -} - -static void bnx2x_free_mem(struct bnx2x *bp) -{ - -#define BNX2X_PCI_FREE(x, y, size) \ - do { \ - if (x) { \ - pci_free_consistent(bp->pdev, size, x, y); \ - x = NULL; \ - y = 0; \ - } \ - } while (0) - -#define BNX2X_FREE(x) \ - do { \ - if (x) { \ - vfree(x); \ - x = NULL; \ - } \ - } while (0) - - int i; - - /* fastpath */ - for_each_queue(bp, i) { - - /* Status blocks */ - BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk), - bnx2x_fp(bp, i, status_blk_mapping), - sizeof(struct host_status_block) + - sizeof(struct eth_tx_db_data)); - - /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */ - BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring)); - BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring), - bnx2x_fp(bp, i, tx_desc_mapping), - sizeof(struct eth_tx_bd) * NUM_TX_BD); - - BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring)); - BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring), - bnx2x_fp(bp, i, rx_desc_mapping), - sizeof(struct eth_rx_bd) * NUM_RX_BD); - - BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring), - bnx2x_fp(bp, i, rx_comp_mapping), - sizeof(struct eth_fast_path_rx_cqe) * - NUM_RCQ_BD); - } - - BNX2X_FREE(bp->fp); - - /* end of fastpath */ - - BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping, - (sizeof(struct host_def_status_block))); - - BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping, - (sizeof(struct bnx2x_slowpath))); - -#ifdef BCM_ISCSI - BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024); - BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024); - BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024); - BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024); -#endif - BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, PAGE_SIZE); - -#undef BNX2X_PCI_FREE -#undef BNX2X_KFREE -} - -static int bnx2x_alloc_mem(struct bnx2x *bp) -{ - -#define BNX2X_PCI_ALLOC(x, y, size) \ - do { \ - x = pci_alloc_consistent(bp->pdev, size, y); \ - if (x == NULL) \ - goto alloc_mem_err; \ - memset(x, 0, size); \ - } while (0) - -#define BNX2X_ALLOC(x, size) \ - do { \ - x = vmalloc(size); \ - if (x == NULL) \ - goto alloc_mem_err; \ - memset(x, 0, size); \ - } while (0) - - int i; - - /* fastpath */ - BNX2X_ALLOC(bp->fp, sizeof(struct bnx2x_fastpath) * bp->num_queues); - - for_each_queue(bp, i) { - bnx2x_fp(bp, i, bp) = bp; - - /* Status blocks */ - BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk), - &bnx2x_fp(bp, i, status_blk_mapping), - sizeof(struct host_status_block) + - sizeof(struct eth_tx_db_data)); - - bnx2x_fp(bp, i, hw_tx_prods) = - (void *)(bnx2x_fp(bp, i, status_blk) + 1); - - bnx2x_fp(bp, i, tx_prods_mapping) = - bnx2x_fp(bp, i, status_blk_mapping) + - sizeof(struct host_status_block); - - /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */ - BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring), - sizeof(struct sw_tx_bd) * NUM_TX_BD); - BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring), - &bnx2x_fp(bp, i, tx_desc_mapping), - sizeof(struct eth_tx_bd) * NUM_TX_BD); - - BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring), - sizeof(struct sw_rx_bd) * NUM_RX_BD); - BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring), - &bnx2x_fp(bp, i, rx_desc_mapping), - sizeof(struct eth_rx_bd) * NUM_RX_BD); - - BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring), - &bnx2x_fp(bp, i, rx_comp_mapping), - sizeof(struct eth_fast_path_rx_cqe) * - NUM_RCQ_BD); - - } - /* end of fastpath */ - - BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping, - sizeof(struct host_def_status_block)); - - BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping, - sizeof(struct bnx2x_slowpath)); - -#ifdef BCM_ISCSI - BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024); - - /* Initialize T1 */ - for (i = 0; i < 64*1024; i += 64) { - *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL; - *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL; - } - - /* allocate searcher T2 table - we allocate 1/4 of alloc num for T2 - (which is not entered into the ILT) */ - BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024); - - /* Initialize T2 */ - for (i = 0; i < 16*1024; i += 64) - * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64; - - /* now fixup the last line in the block to point to the next block */ - *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping; - - /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */ - BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024); - - /* QM queues (128*MAX_CONN) */ - BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024); -#endif - - /* Slow path ring */ - BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE); - - return 0; - -alloc_mem_err: - bnx2x_free_mem(bp); - return -ENOMEM; - -#undef BNX2X_PCI_ALLOC -#undef BNX2X_ALLOC -} - -static void bnx2x_free_tx_skbs(struct bnx2x *bp) -{ - int i; - - for_each_queue(bp, i) { - struct bnx2x_fastpath *fp = &bp->fp[i]; - - u16 bd_cons = fp->tx_bd_cons; - u16 sw_prod = fp->tx_pkt_prod; - u16 sw_cons = fp->tx_pkt_cons; - - BUG_TRAP(fp->tx_buf_ring != NULL); - - while (sw_cons != sw_prod) { - bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons)); - sw_cons++; - } - } -} - -static void bnx2x_free_rx_skbs(struct bnx2x *bp) -{ - int i, j; - - for_each_queue(bp, j) { - struct bnx2x_fastpath *fp = &bp->fp[j]; - - BUG_TRAP(fp->rx_buf_ring != NULL); - - for (i = 0; i < NUM_RX_BD; i++) { - struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i]; - struct sk_buff *skb = rx_buf->skb; - - if (skb == NULL) - continue; - - pci_unmap_single(bp->pdev, - pci_unmap_addr(rx_buf, mapping), - bp->rx_buf_use_size, - PCI_DMA_FROMDEVICE); - - rx_buf->skb = NULL; - dev_kfree_skb(skb); - } - } -} - -static void bnx2x_free_skbs(struct bnx2x *bp) -{ - bnx2x_free_tx_skbs(bp); - bnx2x_free_rx_skbs(bp); -} - -static void bnx2x_free_msix_irqs(struct bnx2x *bp) -{ - int i; - - free_irq(bp->msix_table[0].vector, bp->dev); - DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n", - bp->msix_table[0].vector); - - for_each_queue(bp, i) { - DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq " - "state(%x)\n", i, bp->msix_table[i + 1].vector, - bnx2x_fp(bp, i, state)); - - if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED) - BNX2X_ERR("IRQ of fp #%d being freed while " - "state != closed\n", i); - - free_irq(bp->msix_table[i + 1].vector, &bp->fp[i]); - } - -} - -static void bnx2x_free_irq(struct bnx2x *bp) -{ - - if (bp->flags & USING_MSIX_FLAG) { - - bnx2x_free_msix_irqs(bp); - pci_disable_msix(bp->pdev); - - bp->flags &= ~USING_MSIX_FLAG; - - } else - free_irq(bp->pdev->irq, bp->dev); -} - -static int bnx2x_enable_msix(struct bnx2x *bp) -{ - - int i; - - bp->msix_table[0].entry = 0; - for_each_queue(bp, i) - bp->msix_table[i + 1].entry = i + 1; - - if (pci_enable_msix(bp->pdev, &bp->msix_table[0], - bp->num_queues + 1)){ - BNX2X_LOG("failed to enable MSI-X\n"); - return -1; - - } - - bp->flags |= USING_MSIX_FLAG; - - return 0; - -} - - -static int bnx2x_req_msix_irqs(struct bnx2x *bp) -{ - - int i, rc; - - rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0, - bp->dev->name, bp->dev); - - if (rc) { - BNX2X_ERR("request sp irq failed\n"); - return -EBUSY; - } - - for_each_queue(bp, i) { - rc = request_irq(bp->msix_table[i + 1].vector, - bnx2x_msix_fp_int, 0, - bp->dev->name, &bp->fp[i]); - - if (rc) { - BNX2X_ERR("request fp #%d irq failed " - "rc %d\n", i, rc); - bnx2x_free_msix_irqs(bp); - return -EBUSY; - } - - bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ; - - } - - return 0; - -} - -static int bnx2x_req_irq(struct bnx2x *bp) -{ - - int rc = request_irq(bp->pdev->irq, bnx2x_interrupt, - IRQF_SHARED, bp->dev->name, bp->dev); - if (!rc) - bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ; - - return rc; - -} - -/* - * Init service functions - */ - -static void bnx2x_set_mac_addr(struct bnx2x *bp) -{ - struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config); - - /* CAM allocation - * unicasts 0-31:port0 32-63:port1 - * multicast 64-127:port0 128-191:port1 - */ - config->hdr.length_6b = 2; - config->hdr.offset = bp->port ? 31 : 0; - config->hdr.reserved0 = 0; - config->hdr.reserved1 = 0; - - /* primary MAC */ - config->config_table[0].cam_entry.msb_mac_addr = - swab16(*(u16 *)&bp->dev->dev_addr[0]); - config->config_table[0].cam_entry.middle_mac_addr = - swab16(*(u16 *)&bp->dev->dev_addr[2]); - config->config_table[0].cam_entry.lsb_mac_addr = - swab16(*(u16 *)&bp->dev->dev_addr[4]); - config->config_table[0].cam_entry.flags = cpu_to_le16(bp->port); - config->config_table[0].target_table_entry.flags = 0; - config->config_table[0].target_table_entry.client_id = 0; - config->config_table[0].target_table_entry.vlan_id = 0; - - DP(NETIF_MSG_IFUP, "setting MAC (%04x:%04x:%04x)\n", - config->config_table[0].cam_entry.msb_mac_addr, - config->config_table[0].cam_entry.middle_mac_addr, - config->config_table[0].cam_entry.lsb_mac_addr); - - /* broadcast */ - config->config_table[1].cam_entry.msb_mac_addr = 0xffff; - config->config_table[1].cam_entry.middle_mac_addr = 0xffff; - config->config_table[1].cam_entry.lsb_mac_addr = 0xffff; - config->config_table[1].cam_entry.flags = cpu_to_le16(bp->port); - config->config_table[1].target_table_entry.flags = - TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST; - config->config_table[1].target_table_entry.client_id = 0; - config->config_table[1].target_table_entry.vlan_id = 0; - - bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0, - U64_HI(bnx2x_sp_mapping(bp, mac_config)), - U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0); -} - -static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx, - int *state_p, int poll) -{ - /* can take a while if any port is running */ - int timeout = 500; - - DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n", - poll ? "polling" : "waiting", state, idx); - - might_sleep(); - - while (timeout) { - - if (poll) { - bnx2x_rx_int(bp->fp, 10); - /* If index is different from 0 - * The reply for some commands will - * be on the none default queue - */ - if (idx) - bnx2x_rx_int(&bp->fp[idx], 10); - } - - mb(); /* state is changed by bnx2x_sp_event()*/ - - if (*state_p == state) - return 0; - - timeout--; - msleep(1); - - } - - /* timeout! */ - BNX2X_ERR("timeout %s for state %x on IDX [%d]\n", - poll ? "polling" : "waiting", state, idx); - - return -EBUSY; -} - -static int bnx2x_setup_leading(struct bnx2x *bp) -{ - - /* reset IGU state */ - bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, 0, IGU_INT_ENABLE, 0); - - /* SETUP ramrod */ - bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0); - - return bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0); - -} - -static int bnx2x_setup_multi(struct bnx2x *bp, int index) -{ - - /* reset IGU state */ - bnx2x_ack_sb(bp, index, CSTORM_ID, 0, IGU_INT_ENABLE, 0); - - /* SETUP ramrod */ - bp->fp[index].state = BNX2X_FP_STATE_OPENING; - bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0); - - /* Wait for completion */ - return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index, - &(bp->fp[index].state), 0); - -} - - -static int bnx2x_poll(struct napi_struct *napi, int budget); -static void bnx2x_set_rx_mode(struct net_device *dev); - -static int bnx2x_nic_load(struct bnx2x *bp, int req_irq) -{ - u32 load_code; - int i; - - bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD; - - /* Send LOAD_REQUEST command to MCP. - Returns the type of LOAD command: if it is the - first port to be initialized common blocks should be - initialized, otherwise - not. - */ - if (!nomcp) { - load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ); - if (!load_code) { - BNX2X_ERR("MCP response failure, unloading\n"); - return -EBUSY; - } - if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED) { - BNX2X_ERR("MCP refused load request, unloading\n"); - return -EBUSY; /* other port in diagnostic mode */ - } - } else { - load_code = FW_MSG_CODE_DRV_LOAD_COMMON; - } - - /* if we can't use msix we only need one fp, - * so try to enable msix with the requested number of fp's - * and fallback to inta with one fp - */ - if (req_irq) { - if (use_inta) { - bp->num_queues = 1; - } else { - if ((use_multi > 1) && (use_multi <= 16)) - /* user requested number */ - bp->num_queues = use_multi; - else if (use_multi == 1) - bp->num_queues = num_online_cpus(); - else - bp->num_queues = 1; - - if (bnx2x_enable_msix(bp)) { - /* failed to enable msix */ - bp->num_queues = 1; - if (use_multi) - BNX2X_ERR("Multi requested but failed" - " to enable MSI-X\n"); - } - } - } - - DP(NETIF_MSG_IFUP, "set number of queues to %d\n", bp->num_queues); - - if (bnx2x_alloc_mem(bp)) - return -ENOMEM; - - if (req_irq) { - if (bp->flags & USING_MSIX_FLAG) { - if (bnx2x_req_msix_irqs(bp)) { - pci_disable_msix(bp->pdev); - goto load_error; - } - - } else { - if (bnx2x_req_irq(bp)) { - BNX2X_ERR("IRQ request failed, aborting\n"); - goto load_error; - } - } - } - - for_each_queue(bp, i) - netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi), - bnx2x_poll, 128); - - - /* Initialize HW */ - if (bnx2x_function_init(bp, - (load_code == FW_MSG_CODE_DRV_LOAD_COMMON))) { - BNX2X_ERR("HW init failed, aborting\n"); - goto load_error; - } - - - atomic_set(&bp->intr_sem, 0); - - - /* Setup NIC internals and enable interrupts */ - bnx2x_nic_init(bp); - - /* Send LOAD_DONE command to MCP */ - if (!nomcp) { - load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE); - if (!load_code) { - BNX2X_ERR("MCP response failure, unloading\n"); - goto load_int_disable; - } - } - - bp->state = BNX2X_STATE_OPENING_WAIT4_PORT; - - /* Enable Rx interrupt handling before sending the ramrod - as it's completed on Rx FP queue */ - for_each_queue(bp, i) - napi_enable(&bnx2x_fp(bp, i, napi)); - - if (bnx2x_setup_leading(bp)) - goto load_stop_netif; - - for_each_nondefault_queue(bp, i) - if (bnx2x_setup_multi(bp, i)) - goto load_stop_netif; - - bnx2x_set_mac_addr(bp); - - bnx2x_phy_init(bp); - - /* Start fast path */ - if (req_irq) { /* IRQ is only requested from bnx2x_open */ - netif_start_queue(bp->dev); - if (bp->flags & USING_MSIX_FLAG) - printk(KERN_INFO PFX "%s: using MSI-X\n", - bp->dev->name); - - /* Otherwise Tx queue should be only reenabled */ - } else if (netif_running(bp->dev)) { - netif_wake_queue(bp->dev); - bnx2x_set_rx_mode(bp->dev); - } - - /* start the timer */ - mod_timer(&bp->timer, jiffies + bp->current_interval); - - return 0; - -load_stop_netif: - for_each_queue(bp, i) - napi_disable(&bnx2x_fp(bp, i, napi)); - -load_int_disable: - bnx2x_int_disable_sync(bp); - - bnx2x_free_skbs(bp); - bnx2x_free_irq(bp); - -load_error: - bnx2x_free_mem(bp); - - /* TBD we really need to reset the chip - if we want to recover from this */ - return -EBUSY; -} - - -static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code) -{ - int port = bp->port; -#ifdef USE_DMAE - u32 wb_write[2]; -#endif - int base, i; - - DP(NETIF_MSG_IFDOWN, "reset called with code %x\n", reset_code); - - /* Do not rcv packets to BRB */ - REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0); - /* Do not direct rcv packets that are not for MCP to the BRB */ - REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP : - NIG_REG_LLH0_BRB1_NOT_MCP), 0x0); - - /* Configure IGU and AEU */ - REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000); - REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0); - - /* TODO: Close Doorbell port? */ - - /* Clear ILT */ -#ifdef USE_DMAE - wb_write[0] = 0; - wb_write[1] = 0; -#endif - base = port * RQ_ONCHIP_AT_PORT_SIZE; - for (i = base; i < base + RQ_ONCHIP_AT_PORT_SIZE; i++) { -#ifdef USE_DMAE - REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); -#else - REG_WR_IND(bp, PXP2_REG_RQ_ONCHIP_AT, 0); - REG_WR_IND(bp, PXP2_REG_RQ_ONCHIP_AT + 4, 0); -#endif - } - - if (reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) { - /* reset_common */ - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, - 0xd3ffff7f); - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, - 0x1403); - } -} - -static int bnx2x_stop_multi(struct bnx2x *bp, int index) -{ - - int rc; - - /* halt the connection */ - bp->fp[index].state = BNX2X_FP_STATE_HALTING; - bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, 0, 0); - - - rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index, - &(bp->fp[index].state), 1); - if (rc) /* timeout */ - return rc; - - /* delete cfc entry */ - bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1); - - return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index, - &(bp->fp[index].state), 1); - -} - - -static void bnx2x_stop_leading(struct bnx2x *bp) -{ - u16 dsb_sp_prod_idx; - /* if the other port is handling traffic, - this can take a lot of time */ - int timeout = 500; - - might_sleep(); - - /* Send HALT ramrod */ - bp->fp[0].state = BNX2X_FP_STATE_HALTING; - bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, 0, 0); - - if (bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0, - &(bp->fp[0].state), 1)) - return; - - dsb_sp_prod_idx = *bp->dsb_sp_prod; - - /* Send PORT_DELETE ramrod */ - bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1); - - /* Wait for completion to arrive on default status block - we are going to reset the chip anyway - so there is not much to do if this times out - */ - while ((dsb_sp_prod_idx == *bp->dsb_sp_prod) && timeout) { - timeout--; - msleep(1); - } - if (!timeout) { - DP(NETIF_MSG_IFDOWN, "timeout polling for completion " - "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n", - *bp->dsb_sp_prod, dsb_sp_prod_idx); - } - bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD; - bp->fp[0].state = BNX2X_FP_STATE_CLOSED; -} - - -static int bnx2x_nic_unload(struct bnx2x *bp, int free_irq) -{ - u32 reset_code = 0; - int i, timeout; - - bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT; - - del_timer_sync(&bp->timer); - - bp->rx_mode = BNX2X_RX_MODE_NONE; - bnx2x_set_storm_rx_mode(bp); - - if (netif_running(bp->dev)) { - netif_tx_disable(bp->dev); - bp->dev->trans_start = jiffies; /* prevent tx timeout */ - } - - /* Wait until all fast path tasks complete */ - for_each_queue(bp, i) { - struct bnx2x_fastpath *fp = &bp->fp[i]; - - timeout = 1000; - while (bnx2x_has_work(fp) && (timeout--)) - msleep(1); - if (!timeout) - BNX2X_ERR("timeout waiting for queue[%d]\n", i); - } - - /* Wait until stat ramrod returns and all SP tasks complete */ - timeout = 1000; - while ((bp->stat_pending || (bp->spq_left != MAX_SPQ_PENDING)) && - (timeout--)) - msleep(1); - - for_each_queue(bp, i) - napi_disable(&bnx2x_fp(bp, i, napi)); - /* Disable interrupts after Tx and Rx are disabled on stack level */ - bnx2x_int_disable_sync(bp); - - if (bp->flags & NO_WOL_FLAG) - reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP; - - else if (bp->wol) { - u32 emac_base = bp->port ? GRCBASE_EMAC0 : GRCBASE_EMAC1; - u8 *mac_addr = bp->dev->dev_addr; - u32 val = (EMAC_MODE_MPKT | EMAC_MODE_MPKT_RCVD | - EMAC_MODE_ACPI_RCVD); - - EMAC_WR(EMAC_REG_EMAC_MODE, val); - - val = (mac_addr[0] << 8) | mac_addr[1]; - EMAC_WR(EMAC_REG_EMAC_MAC_MATCH, val); - - val = (mac_addr[2] << 24) | (mac_addr[3] << 16) | - (mac_addr[4] << 8) | mac_addr[5]; - EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + 4, val); - - reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN; - - } else - reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS; - - /* Close multi and leading connections */ - for_each_nondefault_queue(bp, i) - if (bnx2x_stop_multi(bp, i)) - goto unload_error; - - bnx2x_stop_leading(bp); - if ((bp->state != BNX2X_STATE_CLOSING_WAIT4_UNLOAD) || - (bp->fp[0].state != BNX2X_FP_STATE_CLOSED)) { - DP(NETIF_MSG_IFDOWN, "failed to close leading properly!" - "state 0x%x fp[0].state 0x%x", - bp->state, bp->fp[0].state); - } - -unload_error: - bnx2x_link_reset(bp); - - if (!nomcp) - reset_code = bnx2x_fw_command(bp, reset_code); - else - reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON; - - /* Release IRQs */ - if (free_irq) - bnx2x_free_irq(bp); - - /* Reset the chip */ - bnx2x_reset_chip(bp, reset_code); - - /* Report UNLOAD_DONE to MCP */ - if (!nomcp) - bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE); - - /* Free SKBs and driver internals */ - bnx2x_free_skbs(bp); - bnx2x_free_mem(bp); - - bp->state = BNX2X_STATE_CLOSED; - - netif_carrier_off(bp->dev); - - return 0; -} - -/* end of nic load/unload */ - -/* ethtool_ops */ - -/* - * Init service functions - */ - -static void bnx2x_link_settings_supported(struct bnx2x *bp, u32 switch_cfg) -{ - int port = bp->port; - u32 ext_phy_type; - - bp->phy_flags = 0; - - switch (switch_cfg) { - case SWITCH_CFG_1G: - BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg); - - ext_phy_type = SERDES_EXT_PHY_TYPE(bp); - switch (ext_phy_type) { - case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT: - BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n", - ext_phy_type); - - bp->supported |= (SUPPORTED_10baseT_Half | - SUPPORTED_10baseT_Full | - SUPPORTED_100baseT_Half | - SUPPORTED_100baseT_Full | - SUPPORTED_1000baseT_Full | - SUPPORTED_2500baseX_Full | - SUPPORTED_TP | SUPPORTED_FIBRE | - SUPPORTED_Autoneg | - SUPPORTED_Pause | - SUPPORTED_Asym_Pause); - break; - - case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482: - BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n", - ext_phy_type); - - bp->phy_flags |= PHY_SGMII_FLAG; - - bp->supported |= (SUPPORTED_10baseT_Half | - SUPPORTED_10baseT_Full | - SUPPORTED_100baseT_Half | - SUPPORTED_100baseT_Full | - SUPPORTED_1000baseT_Full | - SUPPORTED_TP | SUPPORTED_FIBRE | - SUPPORTED_Autoneg | - SUPPORTED_Pause | - SUPPORTED_Asym_Pause); - break; - - default: - BNX2X_ERR("NVRAM config error. " - "BAD SerDes ext_phy_config 0x%x\n", - bp->ext_phy_config); - return; - } - - bp->phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + - port*0x10); - BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->phy_addr); - break; - - case SWITCH_CFG_10G: - BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg); - - bp->phy_flags |= PHY_XGXS_FLAG; - - ext_phy_type = XGXS_EXT_PHY_TYPE(bp); - switch (ext_phy_type) { - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: - BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n", - ext_phy_type); - - bp->supported |= (SUPPORTED_10baseT_Half | - SUPPORTED_10baseT_Full | - SUPPORTED_100baseT_Half | - SUPPORTED_100baseT_Full | - SUPPORTED_1000baseT_Full | - SUPPORTED_2500baseX_Full | - SUPPORTED_10000baseT_Full | - SUPPORTED_TP | SUPPORTED_FIBRE | - SUPPORTED_Autoneg | - SUPPORTED_Pause | - SUPPORTED_Asym_Pause); - break; - - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: - BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n", - ext_phy_type); - - bp->supported |= (SUPPORTED_10000baseT_Full | - SUPPORTED_FIBRE | - SUPPORTED_Pause | - SUPPORTED_Asym_Pause); - break; - - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: - BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n", - ext_phy_type); - - bp->supported |= (SUPPORTED_10000baseT_Full | - SUPPORTED_1000baseT_Full | - SUPPORTED_Autoneg | - SUPPORTED_FIBRE | - SUPPORTED_Pause | - SUPPORTED_Asym_Pause); - break; - - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: - BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n", - ext_phy_type); - - bp->supported |= (SUPPORTED_10000baseT_Full | - SUPPORTED_1000baseT_Full | - SUPPORTED_FIBRE | - SUPPORTED_Autoneg | - SUPPORTED_Pause | - SUPPORTED_Asym_Pause); - break; - - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: - BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n", - ext_phy_type); - - bp->supported |= (SUPPORTED_10000baseT_Full | - SUPPORTED_TP | - SUPPORTED_Autoneg | - SUPPORTED_Pause | - SUPPORTED_Asym_Pause); - break; - - default: - BNX2X_ERR("NVRAM config error. " - "BAD XGXS ext_phy_config 0x%x\n", - bp->ext_phy_config); - return; - } - - bp->phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + - port*0x18); - BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->phy_addr); - - bp->ser_lane = ((bp->lane_config & - PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> - PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); - bp->rx_lane_swap = ((bp->lane_config & - PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >> - PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT); - bp->tx_lane_swap = ((bp->lane_config & - PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >> - PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT); - BNX2X_DEV_INFO("rx_lane_swap 0x%x tx_lane_swap 0x%x\n", - bp->rx_lane_swap, bp->tx_lane_swap); - break; - - default: - BNX2X_ERR("BAD switch_cfg link_config 0x%x\n", - bp->link_config); - return; - } - - /* mask what we support according to speed_cap_mask */ - if (!(bp->speed_cap_mask & - PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) - bp->supported &= ~SUPPORTED_10baseT_Half; - - if (!(bp->speed_cap_mask & - PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL)) - bp->supported &= ~SUPPORTED_10baseT_Full; - - if (!(bp->speed_cap_mask & - PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)) - bp->supported &= ~SUPPORTED_100baseT_Half; - - if (!(bp->speed_cap_mask & - PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL)) - bp->supported &= ~SUPPORTED_100baseT_Full; - - if (!(bp->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) - bp->supported &= ~(SUPPORTED_1000baseT_Half | - SUPPORTED_1000baseT_Full); - - if (!(bp->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)) - bp->supported &= ~SUPPORTED_2500baseX_Full; - - if (!(bp->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) - bp->supported &= ~SUPPORTED_10000baseT_Full; - - BNX2X_DEV_INFO("supported 0x%x\n", bp->supported); -} - -static void bnx2x_link_settings_requested(struct bnx2x *bp) -{ - bp->req_autoneg = 0; - bp->req_duplex = DUPLEX_FULL; - - switch (bp->link_config & PORT_FEATURE_LINK_SPEED_MASK) { - case PORT_FEATURE_LINK_SPEED_AUTO: - if (bp->supported & SUPPORTED_Autoneg) { - bp->req_autoneg |= AUTONEG_SPEED; - bp->req_line_speed = 0; - bp->advertising = bp->supported; - } else { - if (XGXS_EXT_PHY_TYPE(bp) == - PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) { - /* force 10G, no AN */ - bp->req_line_speed = SPEED_10000; - bp->advertising = - (ADVERTISED_10000baseT_Full | - ADVERTISED_FIBRE); - break; - } - BNX2X_ERR("NVRAM config error. " - "Invalid link_config 0x%x" - " Autoneg not supported\n", - bp->link_config); - return; - } - break; - - case PORT_FEATURE_LINK_SPEED_10M_FULL: - if (bp->supported & SUPPORTED_10baseT_Full) { - bp->req_line_speed = SPEED_10; - bp->advertising = (ADVERTISED_10baseT_Full | - ADVERTISED_TP); - } else { - BNX2X_ERR("NVRAM config error. " - "Invalid link_config 0x%x" - " speed_cap_mask 0x%x\n", - bp->link_config, bp->speed_cap_mask); - return; - } - break; - - case PORT_FEATURE_LINK_SPEED_10M_HALF: - if (bp->supported & SUPPORTED_10baseT_Half) { - bp->req_line_speed = SPEED_10; - bp->req_duplex = DUPLEX_HALF; - bp->advertising = (ADVERTISED_10baseT_Half | - ADVERTISED_TP); - } else { - BNX2X_ERR("NVRAM config error. " - "Invalid link_config 0x%x" - " speed_cap_mask 0x%x\n", - bp->link_config, bp->speed_cap_mask); - return; - } - break; - - case PORT_FEATURE_LINK_SPEED_100M_FULL: - if (bp->supported & SUPPORTED_100baseT_Full) { - bp->req_line_speed = SPEED_100; - bp->advertising = (ADVERTISED_100baseT_Full | - ADVERTISED_TP); - } else { - BNX2X_ERR("NVRAM config error. " - "Invalid link_config 0x%x" - " speed_cap_mask 0x%x\n", - bp->link_config, bp->speed_cap_mask); - return; - } - break; - - case PORT_FEATURE_LINK_SPEED_100M_HALF: - if (bp->supported & SUPPORTED_100baseT_Half) { - bp->req_line_speed = SPEED_100; - bp->req_duplex = DUPLEX_HALF; - bp->advertising = (ADVERTISED_100baseT_Half | - ADVERTISED_TP); - } else { - BNX2X_ERR("NVRAM config error. " - "Invalid link_config 0x%x" - " speed_cap_mask 0x%x\n", - bp->link_config, bp->speed_cap_mask); - return; - } - break; - - case PORT_FEATURE_LINK_SPEED_1G: - if (bp->supported & SUPPORTED_1000baseT_Full) { - bp->req_line_speed = SPEED_1000; - bp->advertising = (ADVERTISED_1000baseT_Full | - ADVERTISED_TP); - } else { - BNX2X_ERR("NVRAM config error. " - "Invalid link_config 0x%x" - " speed_cap_mask 0x%x\n", - bp->link_config, bp->speed_cap_mask); - return; - } - break; - - case PORT_FEATURE_LINK_SPEED_2_5G: - if (bp->supported & SUPPORTED_2500baseX_Full) { - bp->req_line_speed = SPEED_2500; - bp->advertising = (ADVERTISED_2500baseX_Full | - ADVERTISED_TP); - } else { - BNX2X_ERR("NVRAM config error. " - "Invalid link_config 0x%x" - " speed_cap_mask 0x%x\n", - bp->link_config, bp->speed_cap_mask); - return; - } - break; - - case PORT_FEATURE_LINK_SPEED_10G_CX4: - case PORT_FEATURE_LINK_SPEED_10G_KX4: - case PORT_FEATURE_LINK_SPEED_10G_KR: - if (bp->supported & SUPPORTED_10000baseT_Full) { - bp->req_line_speed = SPEED_10000; - bp->advertising = (ADVERTISED_10000baseT_Full | - ADVERTISED_FIBRE); - } else { - BNX2X_ERR("NVRAM config error. " - "Invalid link_config 0x%x" - " speed_cap_mask 0x%x\n", - bp->link_config, bp->speed_cap_mask); - return; - } - break; - - default: - BNX2X_ERR("NVRAM config error. " - "BAD link speed link_config 0x%x\n", - bp->link_config); - bp->req_autoneg |= AUTONEG_SPEED; - bp->req_line_speed = 0; - bp->advertising = bp->supported; - break; - } - BNX2X_DEV_INFO("req_line_speed %d req_duplex %d\n", - bp->req_line_speed, bp->req_duplex); - - bp->req_flow_ctrl = (bp->link_config & - PORT_FEATURE_FLOW_CONTROL_MASK); - if ((bp->req_flow_ctrl == FLOW_CTRL_AUTO) && - (bp->supported & SUPPORTED_Autoneg)) - bp->req_autoneg |= AUTONEG_FLOW_CTRL; - - BNX2X_DEV_INFO("req_autoneg 0x%x req_flow_ctrl 0x%x" - " advertising 0x%x\n", - bp->req_autoneg, bp->req_flow_ctrl, bp->advertising); -} - -static void bnx2x_get_hwinfo(struct bnx2x *bp) -{ - u32 val, val2, val3, val4, id; - int port = bp->port; - u32 switch_cfg; - - bp->shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR); - BNX2X_DEV_INFO("shmem offset is %x\n", bp->shmem_base); - - /* Get the chip revision id and number. */ - /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */ - val = REG_RD(bp, MISC_REG_CHIP_NUM); - id = ((val & 0xffff) << 16); - val = REG_RD(bp, MISC_REG_CHIP_REV); - id |= ((val & 0xf) << 12); - val = REG_RD(bp, MISC_REG_CHIP_METAL); - id |= ((val & 0xff) << 4); - REG_RD(bp, MISC_REG_BOND_ID); - id |= (val & 0xf); - bp->chip_id = id; - BNX2X_DEV_INFO("chip ID is %x\n", id); - - if (!bp->shmem_base || (bp->shmem_base != 0xAF900)) { - BNX2X_DEV_INFO("MCP not active\n"); - nomcp = 1; - goto set_mac; - } - - val = SHMEM_RD(bp, validity_map[port]); - if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) - != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) - BNX2X_ERR("BAD MCP validity signature\n"); - - bp->fw_seq = (SHMEM_RD(bp, func_mb[port].drv_mb_header) & - DRV_MSG_SEQ_NUMBER_MASK); - - bp->hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config); - bp->board = SHMEM_RD(bp, dev_info.shared_hw_config.board); - bp->serdes_config = - SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config); - bp->lane_config = - SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config); - bp->ext_phy_config = - SHMEM_RD(bp, - dev_info.port_hw_config[port].external_phy_config); - bp->speed_cap_mask = - SHMEM_RD(bp, - dev_info.port_hw_config[port].speed_capability_mask); - - bp->link_config = - SHMEM_RD(bp, dev_info.port_feature_config[port].link_config); - - BNX2X_DEV_INFO("hw_config (%08x) board (%08x) serdes_config (%08x)\n" - KERN_INFO " lane_config (%08x) ext_phy_config (%08x)\n" - KERN_INFO " speed_cap_mask (%08x) link_config (%08x)" - " fw_seq (%08x)\n", - bp->hw_config, bp->board, bp->serdes_config, - bp->lane_config, bp->ext_phy_config, - bp->speed_cap_mask, bp->link_config, bp->fw_seq); - - switch_cfg = (bp->link_config & PORT_FEATURE_CONNECTED_SWITCH_MASK); - bnx2x_link_settings_supported(bp, switch_cfg); - - bp->autoneg = (bp->hw_config & SHARED_HW_CFG_AN_ENABLE_MASK); - /* for now disable cl73 */ - bp->autoneg &= ~SHARED_HW_CFG_AN_ENABLE_CL73; - BNX2X_DEV_INFO("autoneg 0x%x\n", bp->autoneg); - - bnx2x_link_settings_requested(bp); - - val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper); - val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower); - bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff); - bp->dev->dev_addr[1] = (u8)(val2 & 0xff); - bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff); - bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff); - bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff); - bp->dev->dev_addr[5] = (u8)(val & 0xff); - - memcpy(bp->dev->perm_addr, bp->dev->dev_addr, 6); - - - val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num); - val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]); - val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]); - val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]); - - printk(KERN_INFO PFX "part number %X-%X-%X-%X\n", - val, val2, val3, val4); - - /* bc ver */ - if (!nomcp) { - bp->bc_ver = val = ((SHMEM_RD(bp, dev_info.bc_rev)) >> 8); - BNX2X_DEV_INFO("bc_ver %X\n", val); - if (val < BNX2X_BC_VER) { - /* for now only warn - * later we might need to enforce this */ - BNX2X_ERR("This driver needs bc_ver %X but found %X," - " please upgrade BC\n", BNX2X_BC_VER, val); - } - } else { - bp->bc_ver = 0; - } - - val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4); - bp->flash_size = (NVRAM_1MB_SIZE << (val & MCPR_NVM_CFG4_FLASH_SIZE)); - BNX2X_DEV_INFO("flash_size 0x%x (%d)\n", - bp->flash_size, bp->flash_size); - - return; - -set_mac: /* only supposed to happen on emulation/FPGA */ - BNX2X_ERR("warning rendom MAC workaround active\n"); - random_ether_addr(bp->dev->dev_addr); - memcpy(bp->dev->perm_addr, bp->dev->dev_addr, 6); - -} - -/* - * ethtool service functions - */ - -/* All ethtool functions called with rtnl_lock */ - -static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct bnx2x *bp = netdev_priv(dev); - - cmd->supported = bp->supported; - cmd->advertising = bp->advertising; - - if (netif_carrier_ok(dev)) { - cmd->speed = bp->line_speed; - cmd->duplex = bp->duplex; - } else { - cmd->speed = bp->req_line_speed; - cmd->duplex = bp->req_duplex; - } - - if (bp->phy_flags & PHY_XGXS_FLAG) { - u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp); - - switch (ext_phy_type) { - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: - cmd->port = PORT_FIBRE; - break; - - case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: - cmd->port = PORT_TP; - break; - - default: - DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n", - bp->ext_phy_config); - } - } else - cmd->port = PORT_TP; - - cmd->phy_address = bp->phy_addr; - cmd->transceiver = XCVR_INTERNAL; - - if (bp->req_autoneg & AUTONEG_SPEED) - cmd->autoneg = AUTONEG_ENABLE; - else - cmd->autoneg = AUTONEG_DISABLE; - - cmd->maxtxpkt = 0; - cmd->maxrxpkt = 0; - - DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n" - DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n" - DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n" - DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n", - cmd->cmd, cmd->supported, cmd->advertising, cmd->speed, - cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver, - cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt); - - return 0; -} - -static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct bnx2x *bp = netdev_priv(dev); - u32 advertising; - - DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n" - DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n" - DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n" - DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n", - cmd->cmd, cmd->supported, cmd->advertising, cmd->speed, - cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver, - cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt); - - if (cmd->autoneg == AUTONEG_ENABLE) { - if (!(bp->supported & SUPPORTED_Autoneg)) { - DP(NETIF_MSG_LINK, "Aotoneg not supported\n"); - return -EINVAL; - } - - /* advertise the requested speed and duplex if supported */ - cmd->advertising &= bp->supported; - - bp->req_autoneg |= AUTONEG_SPEED; - bp->req_line_speed = 0; - bp->req_duplex = DUPLEX_FULL; - bp->advertising |= (ADVERTISED_Autoneg | cmd->advertising); - - } else { /* forced speed */ - /* advertise the requested speed and duplex if supported */ - switch (cmd->speed) { - case SPEED_10: - if (cmd->duplex == DUPLEX_FULL) { - if (!(bp->supported & - SUPPORTED_10baseT_Full)) { - DP(NETIF_MSG_LINK, - "10M full not supported\n"); - return -EINVAL; - } - - advertising = (ADVERTISED_10baseT_Full | - ADVERTISED_TP); - } else { - if (!(bp->supported & - SUPPORTED_10baseT_Half)) { - DP(NETIF_MSG_LINK, - "10M half not supported\n"); - return -EINVAL; - } - - advertising = (ADVERTISED_10baseT_Half | - ADVERTISED_TP); - } - break; - - case SPEED_100: - if (cmd->duplex == DUPLEX_FULL) { - if (!(bp->supported & - SUPPORTED_100baseT_Full)) { - DP(NETIF_MSG_LINK, - "100M full not supported\n"); - return -EINVAL; - } - - advertising = (ADVERTISED_100baseT_Full | - ADVERTISED_TP); - } else { - if (!(bp->supported & - SUPPORTED_100baseT_Half)) { - DP(NETIF_MSG_LINK, - "100M half not supported\n"); - return -EINVAL; - } - - advertising = (ADVERTISED_100baseT_Half | - ADVERTISED_TP); - } - break; - - case SPEED_1000: - if (cmd->duplex != DUPLEX_FULL) { - DP(NETIF_MSG_LINK, "1G half not supported\n"); - return -EINVAL; - } - - if (!(bp->supported & SUPPORTED_1000baseT_Full)) { - DP(NETIF_MSG_LINK, "1G full not supported\n"); - return -EINVAL; - } - - advertising = (ADVERTISED_1000baseT_Full | - ADVERTISED_TP); - break; - - case SPEED_2500: - if (cmd->duplex != DUPLEX_FULL) { - DP(NETIF_MSG_LINK, - "2.5G half not supported\n"); - return -EINVAL; - } - - if (!(bp->supported & SUPPORTED_2500baseX_Full)) { - DP(NETIF_MSG_LINK, - "2.5G full not supported\n"); - return -EINVAL; - } - - advertising = (ADVERTISED_2500baseX_Full | - ADVERTISED_TP); - break; - - case SPEED_10000: - if (cmd->duplex != DUPLEX_FULL) { - DP(NETIF_MSG_LINK, "10G half not supported\n"); - return -EINVAL; - } - - if (!(bp->supported & SUPPORTED_10000baseT_Full)) { - DP(NETIF_MSG_LINK, "10G full not supported\n"); - return -EINVAL; - } - - advertising = (ADVERTISED_10000baseT_Full | - ADVERTISED_FIBRE); - break; - - default: - DP(NETIF_MSG_LINK, "Unsupported speed\n"); - return -EINVAL; - } - - bp->req_autoneg &= ~AUTONEG_SPEED; - bp->req_line_speed = cmd->speed; - bp->req_duplex = cmd->duplex; - bp->advertising = advertising; - } - - DP(NETIF_MSG_LINK, "req_autoneg 0x%x req_line_speed %d\n" - DP_LEVEL " req_duplex %d advertising 0x%x\n", - bp->req_autoneg, bp->req_line_speed, bp->req_duplex, - bp->advertising); - - bnx2x_stop_stats(bp); - bnx2x_link_initialize(bp); - - return 0; -} - -static void bnx2x_get_drvinfo(struct net_device *dev, - struct ethtool_drvinfo *info) -{ - struct bnx2x *bp = netdev_priv(dev); - - strcpy(info->driver, DRV_MODULE_NAME); - strcpy(info->version, DRV_MODULE_VERSION); - snprintf(info->fw_version, 32, "%d.%d.%d:%d (BC VER %x)", - BCM_5710_FW_MAJOR_VERSION, BCM_5710_FW_MINOR_VERSION, - BCM_5710_FW_REVISION_VERSION, BCM_5710_FW_COMPILE_FLAGS, - bp->bc_ver); - strcpy(info->bus_info, pci_name(bp->pdev)); - info->n_stats = BNX2X_NUM_STATS; - info->testinfo_len = BNX2X_NUM_TESTS; - info->eedump_len = bp->flash_size; - info->regdump_len = 0; -} - -static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) -{ - struct bnx2x *bp = netdev_priv(dev); - - if (bp->flags & NO_WOL_FLAG) { - wol->supported = 0; - wol->wolopts = 0; - } else { - wol->supported = WAKE_MAGIC; - if (bp->wol) - wol->wolopts = WAKE_MAGIC; - else - wol->wolopts = 0; - } - memset(&wol->sopass, 0, sizeof(wol->sopass)); -} - -static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) -{ - struct bnx2x *bp = netdev_priv(dev); - - if (wol->wolopts & ~WAKE_MAGIC) - return -EINVAL; - - if (wol->wolopts & WAKE_MAGIC) { - if (bp->flags & NO_WOL_FLAG) - return -EINVAL; - - bp->wol = 1; - } else { - bp->wol = 0; - } - return 0; -} - -static u32 bnx2x_get_msglevel(struct net_device *dev) -{ - struct bnx2x *bp = netdev_priv(dev); - - return bp->msglevel; -} - -static void bnx2x_set_msglevel(struct net_device *dev, u32 level) -{ - struct bnx2x *bp = netdev_priv(dev); - - if (capable(CAP_NET_ADMIN)) - bp->msglevel = level; -} - -static int bnx2x_nway_reset(struct net_device *dev) -{ - struct bnx2x *bp = netdev_priv(dev); - - if (bp->state != BNX2X_STATE_OPEN) { - DP(NETIF_MSG_PROBE, "state is %x, returning\n", bp->state); - return -EAGAIN; - } - - bnx2x_stop_stats(bp); - bnx2x_link_initialize(bp); - - return 0; -} - -static int bnx2x_get_eeprom_len(struct net_device *dev) -{ - struct bnx2x *bp = netdev_priv(dev); - - return bp->flash_size; -} - -static int bnx2x_acquire_nvram_lock(struct bnx2x *bp) -{ - int port = bp->port; - int count, i; - u32 val = 0; - - /* adjust timeout for emulation/FPGA */ - count = NVRAM_TIMEOUT_COUNT; - if (CHIP_REV_IS_SLOW(bp)) - count *= 100; - - /* request access to nvram interface */ - REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB, - (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port)); - - for (i = 0; i < count*10; i++) { - val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB); - if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) - break; - - udelay(5); - } - - if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) { - DP(NETIF_MSG_NVM, "cannot get access to nvram interface\n"); - return -EBUSY; - } - - return 0; -} - -static int bnx2x_release_nvram_lock(struct bnx2x *bp) -{ - int port = bp->port; - int count, i; - u32 val = 0; - - /* adjust timeout for emulation/FPGA */ - count = NVRAM_TIMEOUT_COUNT; - if (CHIP_REV_IS_SLOW(bp)) - count *= 100; - - /* relinquish nvram interface */ - REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB, - (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port)); - - for (i = 0; i < count*10; i++) { - val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB); - if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) - break; - - udelay(5); - } - - if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) { - DP(NETIF_MSG_NVM, "cannot free access to nvram interface\n"); - return -EBUSY; - } - - return 0; -} - -static void bnx2x_enable_nvram_access(struct bnx2x *bp) -{ - u32 val; - - val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE); - - /* enable both bits, even on read */ - REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE, - (val | MCPR_NVM_ACCESS_ENABLE_EN | - MCPR_NVM_ACCESS_ENABLE_WR_EN)); -} - -static void bnx2x_disable_nvram_access(struct bnx2x *bp) -{ - u32 val; - - val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE); - - /* disable both bits, even after read */ - REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE, - (val & ~(MCPR_NVM_ACCESS_ENABLE_EN | - MCPR_NVM_ACCESS_ENABLE_WR_EN))); -} - -static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val, - u32 cmd_flags) -{ - int count, i, rc; - u32 val; - - /* build the command word */ - cmd_flags |= MCPR_NVM_COMMAND_DOIT; - - /* need to clear DONE bit separately */ - REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE); - - /* address of the NVRAM to read from */ - REG_WR(bp, MCP_REG_MCPR_NVM_ADDR, - (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE)); - - /* issue a read command */ - REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags); - - /* adjust timeout for emulation/FPGA */ - count = NVRAM_TIMEOUT_COUNT; - if (CHIP_REV_IS_SLOW(bp)) - count *= 100; - - /* wait for completion */ - *ret_val = 0; - rc = -EBUSY; - for (i = 0; i < count; i++) { - udelay(5); - val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND); - - if (val & MCPR_NVM_COMMAND_DONE) { - val = REG_RD(bp, MCP_REG_MCPR_NVM_READ); - DP(NETIF_MSG_NVM, "val 0x%08x\n", val); - /* we read nvram data in cpu order - * but ethtool sees it as an array of bytes - * converting to big-endian will do the work */ - val = cpu_to_be32(val); - *ret_val = val; - rc = 0; - break; - } - } - - return rc; -} - -static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf, - int buf_size) -{ - int rc; - u32 cmd_flags; - u32 val; - - if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) { - DP(NETIF_MSG_NVM, - "Invalid parameter: offset 0x%x buf_size 0x%x\n", - offset, buf_size); - return -EINVAL; - } - - if (offset + buf_size > bp->flash_size) { - DP(NETIF_MSG_NVM, "Invalid parameter: offset (0x%x) +" - " buf_size (0x%x) > flash_size (0x%x)\n", - offset, buf_size, bp->flash_size); - return -EINVAL; - } - - /* request access to nvram interface */ - rc = bnx2x_acquire_nvram_lock(bp); - if (rc) - return rc; - - /* enable access to nvram interface */ - bnx2x_enable_nvram_access(bp); - - /* read the first word(s) */ - cmd_flags = MCPR_NVM_COMMAND_FIRST; - while ((buf_size > sizeof(u32)) && (rc == 0)) { - rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags); - memcpy(ret_buf, &val, 4); - - /* advance to the next dword */ - offset += sizeof(u32); - ret_buf += sizeof(u32); - buf_size -= sizeof(u32); - cmd_flags = 0; - } - - if (rc == 0) { - cmd_flags |= MCPR_NVM_COMMAND_LAST; - rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags); - memcpy(ret_buf, &val, 4); - } - - /* disable access to nvram interface */ - bnx2x_disable_nvram_access(bp); - bnx2x_release_nvram_lock(bp); - - return rc; -} - -static int bnx2x_get_eeprom(struct net_device *dev, - struct ethtool_eeprom *eeprom, u8 *eebuf) -{ - struct bnx2x *bp = netdev_priv(dev); - int rc; - - DP(NETIF_MSG_NVM, "ethtool_eeprom: cmd %d\n" - DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n", - eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset, - eeprom->len, eeprom->len); - - /* parameters already validated in ethtool_get_eeprom */ - - rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len); - - return rc; -} - -static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val, - u32 cmd_flags) -{ - int count, i, rc; - - /* build the command word */ - cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR; - - /* need to clear DONE bit separately */ - REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE); - - /* write the data */ - REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val); - - /* address of the NVRAM to write to */ - REG_WR(bp, MCP_REG_MCPR_NVM_ADDR, - (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE)); - - /* issue the write command */ - REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags); - - /* adjust timeout for emulation/FPGA */ - count = NVRAM_TIMEOUT_COUNT; - if (CHIP_REV_IS_SLOW(bp)) - count *= 100; - - /* wait for completion */ - rc = -EBUSY; - for (i = 0; i < count; i++) { - udelay(5); - val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND); - if (val & MCPR_NVM_COMMAND_DONE) { - rc = 0; - break; - } - } - - return rc; -} - -#define BYTE_OFFSET(offset) (8 * (offset & 0x03)) - -static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf, - int buf_size) -{ - int rc; - u32 cmd_flags; - u32 align_offset; - u32 val; - - if (offset + buf_size > bp->flash_size) { - DP(NETIF_MSG_NVM, "Invalid parameter: offset (0x%x) +" - " buf_size (0x%x) > flash_size (0x%x)\n", - offset, buf_size, bp->flash_size); - return -EINVAL; - } - - /* request access to nvram interface */ - rc = bnx2x_acquire_nvram_lock(bp); - if (rc) - return rc; - - /* enable access to nvram interface */ - bnx2x_enable_nvram_access(bp); - - cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST); - align_offset = (offset & ~0x03); - rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags); - - if (rc == 0) { - val &= ~(0xff << BYTE_OFFSET(offset)); - val |= (*data_buf << BYTE_OFFSET(offset)); - - /* nvram data is returned as an array of bytes - * convert it back to cpu order */ - val = be32_to_cpu(val); - - DP(NETIF_MSG_NVM, "val 0x%08x\n", val); - - rc = bnx2x_nvram_write_dword(bp, align_offset, val, - cmd_flags); - } - - /* disable access to nvram interface */ - bnx2x_disable_nvram_access(bp); - bnx2x_release_nvram_lock(bp); - - return rc; -} - -static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf, - int buf_size) -{ - int rc; - u32 cmd_flags; - u32 val; - u32 written_so_far; - - if (buf_size == 1) { /* ethtool */ - return bnx2x_nvram_write1(bp, offset, data_buf, buf_size); - } - - if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) { - DP(NETIF_MSG_NVM, - "Invalid parameter: offset 0x%x buf_size 0x%x\n", - offset, buf_size); - return -EINVAL; - } - - if (offset + buf_size > bp->flash_size) { - DP(NETIF_MSG_NVM, "Invalid parameter: offset (0x%x) +" - " buf_size (0x%x) > flash_size (0x%x)\n", - offset, buf_size, bp->flash_size); - return -EINVAL; - } - - /* request access to nvram interface */ - rc = bnx2x_acquire_nvram_lock(bp); - if (rc) - return rc; - - /* enable access to nvram interface */ - bnx2x_enable_nvram_access(bp); - - written_so_far = 0; - cmd_flags = MCPR_NVM_COMMAND_FIRST; - while ((written_so_far < buf_size) && (rc == 0)) { - if (written_so_far == (buf_size - sizeof(u32))) - cmd_flags |= MCPR_NVM_COMMAND_LAST; - else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0) - cmd_flags |= MCPR_NVM_COMMAND_LAST; - else if ((offset % NVRAM_PAGE_SIZE) == 0) - cmd_flags |= MCPR_NVM_COMMAND_FIRST; - - memcpy(&val, data_buf, 4); - DP(NETIF_MSG_NVM, "val 0x%08x\n", val); - - rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags); - - /* advance to the next dword */ - offset += sizeof(u32); - data_buf += sizeof(u32); - written_so_far += sizeof(u32); - cmd_flags = 0; - } - - /* disable access to nvram interface */ - bnx2x_disable_nvram_access(bp); - bnx2x_release_nvram_lock(bp); - - return rc; -} - -static int bnx2x_set_eeprom(struct net_device *dev, - struct ethtool_eeprom *eeprom, u8 *eebuf) -{ - struct bnx2x *bp = netdev_priv(dev); - int rc; - - DP(NETIF_MSG_NVM, "ethtool_eeprom: cmd %d\n" - DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n", - eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset, - eeprom->len, eeprom->len); - - /* parameters already validated in ethtool_set_eeprom */ - - rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len); - - return rc; -} - -static int bnx2x_get_coalesce(struct net_device *dev, - struct ethtool_coalesce *coal) -{ - struct bnx2x *bp = netdev_priv(dev); - - memset(coal, 0, sizeof(struct ethtool_coalesce)); - - coal->rx_coalesce_usecs = bp->rx_ticks; - coal->tx_coalesce_usecs = bp->tx_ticks; - coal->stats_block_coalesce_usecs = bp->stats_ticks; - - return 0; -} - -static int bnx2x_set_coalesce(struct net_device *dev, - struct ethtool_coalesce *coal) -{ - struct bnx2x *bp = netdev_priv(dev); - - bp->rx_ticks = (u16) coal->rx_coalesce_usecs; - if (bp->rx_ticks > 3000) - bp->rx_ticks = 3000; - - bp->tx_ticks = (u16) coal->tx_coalesce_usecs; - if (bp->tx_ticks > 0x3000) - bp->tx_ticks = 0x3000; - - bp->stats_ticks = coal->stats_block_coalesce_usecs; - if (bp->stats_ticks > 0xffff00) - bp->stats_ticks = 0xffff00; - bp->stats_ticks &= 0xffff00; - - if (netif_running(bp->dev)) - bnx2x_update_coalesce(bp); - - return 0; -} - -static void bnx2x_get_ringparam(struct net_device *dev, - struct ethtool_ringparam *ering) -{ - struct bnx2x *bp = netdev_priv(dev); - - ering->rx_max_pending = MAX_RX_AVAIL; - ering->rx_mini_max_pending = 0; - ering->rx_jumbo_max_pending = 0; - - ering->rx_pending = bp->rx_ring_size; - ering->rx_mini_pending = 0; - ering->rx_jumbo_pending = 0; - - ering->tx_max_pending = MAX_TX_AVAIL; - ering->tx_pending = bp->tx_ring_size; -} - -static int bnx2x_set_ringparam(struct net_device *dev, - struct ethtool_ringparam *ering) -{ - struct bnx2x *bp = netdev_priv(dev); - - if ((ering->rx_pending > MAX_RX_AVAIL) || - (ering->tx_pending > MAX_TX_AVAIL) || - (ering->tx_pending <= MAX_SKB_FRAGS + 4)) - return -EINVAL; - - bp->rx_ring_size = ering->rx_pending; - bp->tx_ring_size = ering->tx_pending; - - if (netif_running(bp->dev)) { - bnx2x_nic_unload(bp, 0); - bnx2x_nic_load(bp, 0); - } - - return 0; -} - -static void bnx2x_get_pauseparam(struct net_device *dev, - struct ethtool_pauseparam *epause) -{ - struct bnx2x *bp = netdev_priv(dev); - - epause->autoneg = - ((bp->req_autoneg & AUTONEG_FLOW_CTRL) == AUTONEG_FLOW_CTRL); - epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) == FLOW_CTRL_RX); - epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) == FLOW_CTRL_TX); - - DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n" - DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n", - epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause); -} - -static int bnx2x_set_pauseparam(struct net_device *dev, - struct ethtool_pauseparam *epause) -{ - struct bnx2x *bp = netdev_priv(dev); - - DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n" - DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n", - epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause); - - if (epause->autoneg) { - if (!(bp->supported & SUPPORTED_Autoneg)) { - DP(NETIF_MSG_LINK, "Aotoneg not supported\n"); - return -EINVAL; - } - - bp->req_autoneg |= AUTONEG_FLOW_CTRL; - } else - bp->req_autoneg &= ~AUTONEG_FLOW_CTRL; - - bp->req_flow_ctrl = FLOW_CTRL_AUTO; - - if (epause->rx_pause) - bp->req_flow_ctrl |= FLOW_CTRL_RX; - if (epause->tx_pause) - bp->req_flow_ctrl |= FLOW_CTRL_TX; - - if (!(bp->req_autoneg & AUTONEG_FLOW_CTRL) && - (bp->req_flow_ctrl == FLOW_CTRL_AUTO)) - bp->req_flow_ctrl = FLOW_CTRL_NONE; - - DP(NETIF_MSG_LINK, "req_autoneg 0x%x req_flow_ctrl 0x%x\n", - bp->req_autoneg, bp->req_flow_ctrl); - - bnx2x_stop_stats(bp); - bnx2x_link_initialize(bp); - - return 0; -} - -static u32 bnx2x_get_rx_csum(struct net_device *dev) -{ - struct bnx2x *bp = netdev_priv(dev); - - return bp->rx_csum; -} - -static int bnx2x_set_rx_csum(struct net_device *dev, u32 data) -{ - struct bnx2x *bp = netdev_priv(dev); - - bp->rx_csum = data; - return 0; -} - -static int bnx2x_set_tso(struct net_device *dev, u32 data) -{ - if (data) - dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN); - else - dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN); - return 0; -} - -static struct { - char string[ETH_GSTRING_LEN]; -} bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = { - { "MC Errors (online)" } -}; - -static int bnx2x_self_test_count(struct net_device *dev) -{ - return BNX2X_NUM_TESTS; -} - -static void bnx2x_self_test(struct net_device *dev, - struct ethtool_test *etest, u64 *buf) -{ - struct bnx2x *bp = netdev_priv(dev); - int stats_state; - - memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS); - - if (bp->state != BNX2X_STATE_OPEN) { - DP(NETIF_MSG_PROBE, "state is %x, returning\n", bp->state); - return; - } - - stats_state = bp->stats_state; - bnx2x_stop_stats(bp); - - if (bnx2x_mc_assert(bp) != 0) { - buf[0] = 1; - etest->flags |= ETH_TEST_FL_FAILED; - } - -#ifdef BNX2X_EXTRA_DEBUG - bnx2x_panic_dump(bp); -#endif - bp->stats_state = stats_state; -} - -static struct { - char string[ETH_GSTRING_LEN]; -} bnx2x_stats_str_arr[BNX2X_NUM_STATS] = { - { "rx_bytes"}, - { "rx_error_bytes"}, - { "tx_bytes"}, - { "tx_error_bytes"}, - { "rx_ucast_packets"}, - { "rx_mcast_packets"}, - { "rx_bcast_packets"}, - { "tx_ucast_packets"}, - { "tx_mcast_packets"}, - { "tx_bcast_packets"}, - { "tx_mac_errors"}, /* 10 */ - { "tx_carrier_errors"}, - { "rx_crc_errors"}, - { "rx_align_errors"}, - { "tx_single_collisions"}, - { "tx_multi_collisions"}, - { "tx_deferred"}, - { "tx_excess_collisions"}, - { "tx_late_collisions"}, - { "tx_total_collisions"}, - { "rx_fragments"}, /* 20 */ - { "rx_jabbers"}, - { "rx_undersize_packets"}, - { "rx_oversize_packets"}, - { "rx_xon_frames"}, - { "rx_xoff_frames"}, - { "tx_xon_frames"}, - { "tx_xoff_frames"}, - { "rx_mac_ctrl_frames"}, - { "rx_filtered_packets"}, - { "rx_discards"}, /* 30 */ - { "brb_discard"}, - { "brb_truncate"}, - { "xxoverflow"} -}; - -#define STATS_OFFSET32(offset_name) \ - (offsetof(struct bnx2x_eth_stats, offset_name) / 4) - -static unsigned long bnx2x_stats_offset_arr[BNX2X_NUM_STATS] = { - STATS_OFFSET32(total_bytes_received_hi), - STATS_OFFSET32(stat_IfHCInBadOctets_hi), - STATS_OFFSET32(total_bytes_transmitted_hi), - STATS_OFFSET32(stat_IfHCOutBadOctets_hi), - STATS_OFFSET32(total_unicast_packets_received_hi), - STATS_OFFSET32(total_multicast_packets_received_hi), - STATS_OFFSET32(total_broadcast_packets_received_hi), - STATS_OFFSET32(total_unicast_packets_transmitted_hi), - STATS_OFFSET32(total_multicast_packets_transmitted_hi), - STATS_OFFSET32(total_broadcast_packets_transmitted_hi), - STATS_OFFSET32(stat_Dot3statsInternalMacTransmitErrors), /* 10 */ - STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors), - STATS_OFFSET32(crc_receive_errors), - STATS_OFFSET32(alignment_errors), - STATS_OFFSET32(single_collision_transmit_frames), - STATS_OFFSET32(multiple_collision_transmit_frames), - STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions), - STATS_OFFSET32(excessive_collision_frames), - STATS_OFFSET32(late_collision_frames), - STATS_OFFSET32(number_of_bugs_found_in_stats_spec), - STATS_OFFSET32(runt_packets_received), /* 20 */ - STATS_OFFSET32(jabber_packets_received), - STATS_OFFSET32(error_runt_packets_received), - STATS_OFFSET32(error_jabber_packets_received), - STATS_OFFSET32(pause_xon_frames_received), - STATS_OFFSET32(pause_xoff_frames_received), - STATS_OFFSET32(pause_xon_frames_transmitted), - STATS_OFFSET32(pause_xoff_frames_transmitted), - STATS_OFFSET32(control_frames_received), - STATS_OFFSET32(mac_filter_discard), - STATS_OFFSET32(no_buff_discard), /* 30 */ - STATS_OFFSET32(brb_discard), - STATS_OFFSET32(brb_truncate_discard), - STATS_OFFSET32(xxoverflow_discard) -}; - -static u8 bnx2x_stats_len_arr[BNX2X_NUM_STATS] = { - 8, 0, 8, 0, 8, 8, 8, 8, 8, 8, - 4, 0, 4, 4, 4, 4, 4, 4, 4, 4, - 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, - 4, 4, 4, 4 -}; - -static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf) -{ - switch (stringset) { - case ETH_SS_STATS: - memcpy(buf, bnx2x_stats_str_arr, sizeof(bnx2x_stats_str_arr)); - break; - - case ETH_SS_TEST: - memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr)); - break; - } -} - -static int bnx2x_get_stats_count(struct net_device *dev) -{ - return BNX2X_NUM_STATS; -} - -static void bnx2x_get_ethtool_stats(struct net_device *dev, - struct ethtool_stats *stats, u64 *buf) -{ - struct bnx2x *bp = netdev_priv(dev); - u32 *hw_stats = (u32 *)bnx2x_sp_check(bp, eth_stats); - int i; - - for (i = 0; i < BNX2X_NUM_STATS; i++) { - if (bnx2x_stats_len_arr[i] == 0) { - /* skip this counter */ - buf[i] = 0; - continue; - } - if (!hw_stats) { - buf[i] = 0; - continue; - } - if (bnx2x_stats_len_arr[i] == 4) { - /* 4-byte counter */ - buf[i] = (u64) *(hw_stats + bnx2x_stats_offset_arr[i]); - continue; - } - /* 8-byte counter */ - buf[i] = HILO_U64(*(hw_stats + bnx2x_stats_offset_arr[i]), - *(hw_stats + bnx2x_stats_offset_arr[i] + 1)); - } -} - -static int bnx2x_phys_id(struct net_device *dev, u32 data) -{ - struct bnx2x *bp = netdev_priv(dev); - int i; - - if (data == 0) - data = 2; - - for (i = 0; i < (data * 2); i++) { - if ((i % 2) == 0) { - bnx2x_leds_set(bp, SPEED_1000); - } else { - bnx2x_leds_unset(bp); - } - msleep_interruptible(500); - if (signal_pending(current)) - break; - } - - if (bp->link_up) - bnx2x_leds_set(bp, bp->line_speed); - - return 0; -} - -static struct ethtool_ops bnx2x_ethtool_ops = { - .get_settings = bnx2x_get_settings, - .set_settings = bnx2x_set_settings, - .get_drvinfo = bnx2x_get_drvinfo, - .get_wol = bnx2x_get_wol, - .set_wol = bnx2x_set_wol, - .get_msglevel = bnx2x_get_msglevel, - .set_msglevel = bnx2x_set_msglevel, - .nway_reset = bnx2x_nway_reset, - .get_link = ethtool_op_get_link, - .get_eeprom_len = bnx2x_get_eeprom_len, - .get_eeprom = bnx2x_get_eeprom, - .set_eeprom = bnx2x_set_eeprom, - .get_coalesce = bnx2x_get_coalesce, - .set_coalesce = bnx2x_set_coalesce, - .get_ringparam = bnx2x_get_ringparam, - .set_ringparam = bnx2x_set_ringparam, - .get_pauseparam = bnx2x_get_pauseparam, - .set_pauseparam = bnx2x_set_pauseparam, - .get_rx_csum = bnx2x_get_rx_csum, - .set_rx_csum = bnx2x_set_rx_csum, - .get_tx_csum = ethtool_op_get_tx_csum, - .set_tx_csum = ethtool_op_set_tx_csum, - .get_sg = ethtool_op_get_sg, - .set_sg = ethtool_op_set_sg, - .get_tso = ethtool_op_get_tso, - .set_tso = bnx2x_set_tso, - .self_test_count = bnx2x_self_test_count, - .self_test = bnx2x_self_test, - .get_strings = bnx2x_get_strings, - .phys_id = bnx2x_phys_id, - .get_stats_count = bnx2x_get_stats_count, - .get_ethtool_stats = bnx2x_get_ethtool_stats -}; - -/* end of ethtool_ops */ - -/**************************************************************************** -* General service functions -****************************************************************************/ - -static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state) -{ - u16 pmcsr; - - pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr); - - switch (state) { - case PCI_D0: - pci_write_config_word(bp->pdev, - bp->pm_cap + PCI_PM_CTRL, - ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) | - PCI_PM_CTRL_PME_STATUS)); - - if (pmcsr & PCI_PM_CTRL_STATE_MASK) - /* delay required during transition out of D3hot */ - msleep(20); - break; - - case PCI_D3hot: - pmcsr &= ~PCI_PM_CTRL_STATE_MASK; - pmcsr |= 3; - - if (bp->wol) - pmcsr |= PCI_PM_CTRL_PME_ENABLE; - - pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, - pmcsr); - - /* No more memory access after this point until - * device is brought back to D0. - */ - break; - - default: - return -EINVAL; - } - return 0; -} - -/* - * net_device service functions - */ - -/* called with netif_tx_lock from set_multicast */ -static void bnx2x_set_rx_mode(struct net_device *dev) -{ - struct bnx2x *bp = netdev_priv(dev); - u32 rx_mode = BNX2X_RX_MODE_NORMAL; - - DP(NETIF_MSG_IFUP, "called dev->flags = %x\n", dev->flags); - - if (dev->flags & IFF_PROMISC) - rx_mode = BNX2X_RX_MODE_PROMISC; - - else if ((dev->flags & IFF_ALLMULTI) || - (dev->mc_count > BNX2X_MAX_MULTICAST)) - rx_mode = BNX2X_RX_MODE_ALLMULTI; - - else { /* some multicasts */ - int i, old, offset; - struct dev_mc_list *mclist; - struct mac_configuration_cmd *config = - bnx2x_sp(bp, mcast_config); - - for (i = 0, mclist = dev->mc_list; - mclist && (i < dev->mc_count); - i++, mclist = mclist->next) { - - config->config_table[i].cam_entry.msb_mac_addr = - swab16(*(u16 *)&mclist->dmi_addr[0]); - config->config_table[i].cam_entry.middle_mac_addr = - swab16(*(u16 *)&mclist->dmi_addr[2]); - config->config_table[i].cam_entry.lsb_mac_addr = - swab16(*(u16 *)&mclist->dmi_addr[4]); - config->config_table[i].cam_entry.flags = - cpu_to_le16(bp->port); - config->config_table[i].target_table_entry.flags = 0; - config->config_table[i].target_table_entry. - client_id = 0; - config->config_table[i].target_table_entry. - vlan_id = 0; - - DP(NETIF_MSG_IFUP, - "setting MCAST[%d] (%04x:%04x:%04x)\n", - i, config->config_table[i].cam_entry.msb_mac_addr, - config->config_table[i].cam_entry.middle_mac_addr, - config->config_table[i].cam_entry.lsb_mac_addr); - } - old = config->hdr.length_6b; - if (old > i) { - for (; i < old; i++) { - if (CAM_IS_INVALID(config->config_table[i])) { - i--; /* already invalidated */ - break; - } - /* invalidate */ - CAM_INVALIDATE(config->config_table[i]); - } - } - - if (CHIP_REV_IS_SLOW(bp)) - offset = BNX2X_MAX_EMUL_MULTI*(1 + bp->port); - else - offset = BNX2X_MAX_MULTICAST*(1 + bp->port); - - config->hdr.length_6b = i; - config->hdr.offset = offset; - config->hdr.reserved0 = 0; - config->hdr.reserved1 = 0; - - bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0, - U64_HI(bnx2x_sp_mapping(bp, mcast_config)), - U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0); - } - - bp->rx_mode = rx_mode; - bnx2x_set_storm_rx_mode(bp); -} - -static int bnx2x_poll(struct napi_struct *napi, int budget) -{ - struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath, - napi); - struct bnx2x *bp = fp->bp; - int work_done = 0; - -#ifdef BNX2X_STOP_ON_ERROR - if (unlikely(bp->panic)) - goto out_panic; -#endif - - prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb); - prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb); - prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256); - - bnx2x_update_fpsb_idx(fp); - - if (le16_to_cpu(*fp->tx_cons_sb) != fp->tx_pkt_cons) - bnx2x_tx_int(fp, budget); - - - if (le16_to_cpu(*fp->rx_cons_sb) != fp->rx_comp_cons) - work_done = bnx2x_rx_int(fp, budget); - - - rmb(); /* bnx2x_has_work() reads the status block */ - - /* must not complete if we consumed full budget */ - if ((work_done < budget) && !bnx2x_has_work(fp)) { - -#ifdef BNX2X_STOP_ON_ERROR -out_panic: -#endif - netif_rx_complete(bp->dev, napi); - - bnx2x_ack_sb(bp, fp->index, USTORM_ID, - le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1); - bnx2x_ack_sb(bp, fp->index, CSTORM_ID, - le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1); - } - - return work_done; -} - -/* Called with netif_tx_lock. - * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call - * netif_wake_queue(). - */ -static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) -{ - struct bnx2x *bp = netdev_priv(dev); - struct bnx2x_fastpath *fp; - struct sw_tx_bd *tx_buf; - struct eth_tx_bd *tx_bd; - struct eth_tx_parse_bd *pbd = NULL; - u16 pkt_prod, bd_prod; - int nbd, fp_index = 0; - dma_addr_t mapping; - -#ifdef BNX2X_STOP_ON_ERROR - if (unlikely(bp->panic)) - return NETDEV_TX_BUSY; -#endif - - fp_index = smp_processor_id() % (bp->num_queues); - - fp = &bp->fp[fp_index]; - if (unlikely(bnx2x_tx_avail(bp->fp) < - (skb_shinfo(skb)->nr_frags + 3))) { - bp->slowpath->eth_stats.driver_xoff++, - netif_stop_queue(dev); - BNX2X_ERR("BUG! Tx ring full when queue awake!\n"); - return NETDEV_TX_BUSY; - } - - /* - This is a bit ugly. First we use one BD which we mark as start, - then for TSO or xsum we have a parsing info BD, - and only then we have the rest of the TSO bds. - (don't forget to mark the last one as last, - and to unmap only AFTER you write to the BD ...) - I would like to thank DovH for this mess. - */ - - pkt_prod = fp->tx_pkt_prod++; - bd_prod = fp->tx_bd_prod; - bd_prod = TX_BD(bd_prod); - - /* get a tx_buff and first bd */ - tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)]; - tx_bd = &fp->tx_desc_ring[bd_prod]; - - tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD; - tx_bd->general_data = (UNICAST_ADDRESS << - ETH_TX_BD_ETH_ADDR_TYPE_SHIFT); - tx_bd->general_data |= 1; /* header nbd */ - - /* remember the first bd of the packet */ - tx_buf->first_bd = bd_prod; - - DP(NETIF_MSG_TX_QUEUED, - "sending pkt %u @%p next_idx %u bd %u @%p\n", - pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd); - - if (skb->ip_summed == CHECKSUM_PARTIAL) { - struct iphdr *iph = ip_hdr(skb); - u8 len; - - tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IP_CSUM; - - /* turn on parsing and get a bd */ - bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); - pbd = (void *)&fp->tx_desc_ring[bd_prod]; - len = ((u8 *)iph - (u8 *)skb->data) / 2; - - /* for now NS flag is not used in Linux */ - pbd->global_data = (len | - ((skb->protocol == ntohs(ETH_P_8021Q)) << - ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT)); - pbd->ip_hlen = ip_hdrlen(skb) / 2; - pbd->total_hlen = cpu_to_le16(len + pbd->ip_hlen); - if (iph->protocol == IPPROTO_TCP) { - struct tcphdr *th = tcp_hdr(skb); - - tx_bd->bd_flags.as_bitfield |= - ETH_TX_BD_FLAGS_TCP_CSUM; - pbd->tcp_flags = pbd_tcp_flags(skb); - pbd->total_hlen += cpu_to_le16(tcp_hdrlen(skb) / 2); - pbd->tcp_pseudo_csum = swab16(th->check); - - } else if (iph->protocol == IPPROTO_UDP) { - struct udphdr *uh = udp_hdr(skb); - - tx_bd->bd_flags.as_bitfield |= - ETH_TX_BD_FLAGS_TCP_CSUM; - pbd->total_hlen += cpu_to_le16(4); - pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG; - pbd->cs_offset = 5; /* 10 >> 1 */ - pbd->tcp_pseudo_csum = 0; - /* HW bug: we need to subtract 10 bytes before the - * UDP header from the csum - */ - uh->check = (u16) ~csum_fold(csum_sub(uh->check, - csum_partial(((u8 *)(uh)-10), 10, 0))); - } - } - - if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) { - tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb)); - tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG; - } else { - tx_bd->vlan = cpu_to_le16(pkt_prod); - } - - mapping = pci_map_single(bp->pdev, skb->data, - skb->len, PCI_DMA_TODEVICE); - - tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); - tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); - nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL)? 1 : 2); - tx_bd->nbd = cpu_to_le16(nbd); - tx_bd->nbytes = cpu_to_le16(skb_headlen(skb)); - - DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d" - " nbytes %d flags %x vlan %u\n", - tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, tx_bd->nbd, - tx_bd->nbytes, tx_bd->bd_flags.as_bitfield, tx_bd->vlan); - - if (skb_shinfo(skb)->gso_size && - (skb->len > (bp->dev->mtu + ETH_HLEN))) { - int hlen = 2 * le16_to_cpu(pbd->total_hlen); - - DP(NETIF_MSG_TX_QUEUED, - "TSO packet len %d hlen %d total len %d tso size %d\n", - skb->len, hlen, skb_headlen(skb), - skb_shinfo(skb)->gso_size); - - tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO; - - if (tx_bd->nbytes > cpu_to_le16(hlen)) { - /* we split the first bd into headers and data bds - * to ease the pain of our fellow micocode engineers - * we use one mapping for both bds - * So far this has only been observed to happen - * in Other Operating Systems(TM) - */ - - /* first fix first bd */ - nbd++; - tx_bd->nbd = cpu_to_le16(nbd); - tx_bd->nbytes = cpu_to_le16(hlen); - - /* we only print this as an error - * because we don't think this will ever happen. - */ - BNX2X_ERR("TSO split header size is %d (%x:%x)" - " nbd %d\n", tx_bd->nbytes, tx_bd->addr_hi, - tx_bd->addr_lo, tx_bd->nbd); - - /* now get a new data bd - * (after the pbd) and fill it */ - bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); - tx_bd = &fp->tx_desc_ring[bd_prod]; - - tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); - tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping) + hlen); - tx_bd->nbytes = cpu_to_le16(skb_headlen(skb) - hlen); - tx_bd->vlan = cpu_to_le16(pkt_prod); - /* this marks the bd - * as one that has no individual mapping - * the FW ignores this flag in a bd not marked start - */ - tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO; - DP(NETIF_MSG_TX_QUEUED, - "TSO split data size is %d (%x:%x)\n", - tx_bd->nbytes, tx_bd->addr_hi, tx_bd->addr_lo); - } - - if (!pbd) { - /* supposed to be unreached - * (and therefore not handled properly...) - */ - BNX2X_ERR("LSO with no PBD\n"); - BUG(); - } - - pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size); - pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq); - pbd->ip_id = swab16(ip_hdr(skb)->id); - pbd->tcp_pseudo_csum = - swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr, - ip_hdr(skb)->daddr, - 0, IPPROTO_TCP, 0)); - pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN; - } - - { - int i; - - for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { - skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; - - bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); - tx_bd = &fp->tx_desc_ring[bd_prod]; - - mapping = pci_map_page(bp->pdev, frag->page, - frag->page_offset, - frag->size, PCI_DMA_TODEVICE); - - tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); - tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); - tx_bd->nbytes = cpu_to_le16(frag->size); - tx_bd->vlan = cpu_to_le16(pkt_prod); - tx_bd->bd_flags.as_bitfield = 0; - DP(NETIF_MSG_TX_QUEUED, "frag %d bd @%p" - " addr (%x:%x) nbytes %d flags %x\n", - i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, - tx_bd->nbytes, tx_bd->bd_flags.as_bitfield); - } /* for */ - } - - /* now at last mark the bd as the last bd */ - tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD; - - DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n", - tx_bd, tx_bd->bd_flags.as_bitfield); - - tx_buf->skb = skb; - - bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); - - /* now send a tx doorbell, counting the next bd - * if the packet contains or ends with it - */ - if (TX_BD_POFF(bd_prod) < nbd) - nbd++; - - if (pbd) - DP(NETIF_MSG_TX_QUEUED, - "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u" - " tcp_flags %x xsum %x seq %u hlen %u\n", - pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id, - pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum, - pbd->tcp_send_seq, pbd->total_hlen); - - DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %u bd %d\n", nbd, bd_prod); - - fp->hw_tx_prods->bds_prod = - cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd); - mb(); /* FW restriction: must not reorder writing nbd and packets */ - fp->hw_tx_prods->packets_prod = - cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1); - DOORBELL(bp, fp_index, 0); - - mmiowb(); - - fp->tx_bd_prod = bd_prod; - dev->trans_start = jiffies; - - if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) { - netif_stop_queue(dev); - bp->slowpath->eth_stats.driver_xoff++; - if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3) - netif_wake_queue(dev); - } - fp->tx_pkt++; - - return NETDEV_TX_OK; -} - -/* Called with rtnl_lock */ -static int bnx2x_open(struct net_device *dev) -{ - struct bnx2x *bp = netdev_priv(dev); - - bnx2x_set_power_state(bp, PCI_D0); - - return bnx2x_nic_load(bp, 1); -} - -/* Called with rtnl_lock */ -static int bnx2x_close(struct net_device *dev) -{ - struct bnx2x *bp = netdev_priv(dev); - - /* Unload the driver, release IRQs */ - bnx2x_nic_unload(bp, 1); - - if (!CHIP_REV_IS_SLOW(bp)) - bnx2x_set_power_state(bp, PCI_D3hot); - - return 0; -} - -/* Called with rtnl_lock */ -static int bnx2x_change_mac_addr(struct net_device *dev, void *p) -{ - struct sockaddr *addr = p; - struct bnx2x *bp = netdev_priv(dev); - - if (!is_valid_ether_addr(addr->sa_data)) - return -EINVAL; - - memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); - if (netif_running(dev)) - bnx2x_set_mac_addr(bp); - - return 0; -} - -/* Called with rtnl_lock */ -static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) -{ - struct mii_ioctl_data *data = if_mii(ifr); - struct bnx2x *bp = netdev_priv(dev); - int err; - - switch (cmd) { - case SIOCGMIIPHY: - data->phy_id = bp->phy_addr; - - /* fallthrough */ - case SIOCGMIIREG: { - u32 mii_regval; - - spin_lock_bh(&bp->phy_lock); - if (bp->state == BNX2X_STATE_OPEN) { - err = bnx2x_mdio22_read(bp, data->reg_num & 0x1f, - &mii_regval); - - data->val_out = mii_regval; - } else { - err = -EAGAIN; - } - spin_unlock_bh(&bp->phy_lock); - return err; - } - - case SIOCSMIIREG: - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - spin_lock_bh(&bp->phy_lock); - if (bp->state == BNX2X_STATE_OPEN) { - err = bnx2x_mdio22_write(bp, data->reg_num & 0x1f, - data->val_in); - } else { - err = -EAGAIN; - } - spin_unlock_bh(&bp->phy_lock); - return err; - - default: - /* do nothing */ - break; - } - - return -EOPNOTSUPP; -} - -/* Called with rtnl_lock */ -static int bnx2x_change_mtu(struct net_device *dev, int new_mtu) -{ - struct bnx2x *bp = netdev_priv(dev); - - if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) || - ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE)) - return -EINVAL; - - /* This does not race with packet allocation - * because the actual alloc size is - * only updated as part of load - */ - dev->mtu = new_mtu; - - if (netif_running(dev)) { - bnx2x_nic_unload(bp, 0); - bnx2x_nic_load(bp, 0); - } - return 0; -} - -static void bnx2x_tx_timeout(struct net_device *dev) -{ - struct bnx2x *bp = netdev_priv(dev); - -#ifdef BNX2X_STOP_ON_ERROR - if (!bp->panic) - bnx2x_panic(); -#endif - /* This allows the netif to be shutdown gracefully before resetting */ - schedule_work(&bp->reset_task); -} - -#ifdef BCM_VLAN -/* Called with rtnl_lock */ -static void bnx2x_vlan_rx_register(struct net_device *dev, - struct vlan_group *vlgrp) -{ - struct bnx2x *bp = netdev_priv(dev); - - bp->vlgrp = vlgrp; - if (netif_running(dev)) - bnx2x_set_client_config(bp); -} -#endif - -#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER) -static void poll_bnx2x(struct net_device *dev) -{ - struct bnx2x *bp = netdev_priv(dev); - - disable_irq(bp->pdev->irq); - bnx2x_interrupt(bp->pdev->irq, dev); - enable_irq(bp->pdev->irq); -} -#endif - -static void bnx2x_reset_task(struct work_struct *work) -{ - struct bnx2x *bp = container_of(work, struct bnx2x, reset_task); - -#ifdef BNX2X_STOP_ON_ERROR - BNX2X_ERR("reset task called but STOP_ON_ERROR defined" - " so reset not done to allow debug dump,\n" - KERN_ERR " you will need to reboot when done\n"); - return; -#endif - - if (!netif_running(bp->dev)) - return; - - rtnl_lock(); - - if (bp->state != BNX2X_STATE_OPEN) { - DP(NETIF_MSG_TX_ERR, "state is %x, returning\n", bp->state); - goto reset_task_exit; - } - - bnx2x_nic_unload(bp, 0); - bnx2x_nic_load(bp, 0); - -reset_task_exit: - rtnl_unlock(); -} - -static int __devinit bnx2x_init_board(struct pci_dev *pdev, - struct net_device *dev) -{ - struct bnx2x *bp; - int rc; - - SET_NETDEV_DEV(dev, &pdev->dev); - bp = netdev_priv(dev); - - bp->flags = 0; - bp->port = PCI_FUNC(pdev->devfn); - - rc = pci_enable_device(pdev); - if (rc) { - printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n"); - goto err_out; - } - - if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { - printk(KERN_ERR PFX "Cannot find PCI device base address," - " aborting\n"); - rc = -ENODEV; - goto err_out_disable; - } - - if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { - printk(KERN_ERR PFX "Cannot find second PCI device" - " base address, aborting\n"); - rc = -ENODEV; - goto err_out_disable; - } - - rc = pci_request_regions(pdev, DRV_MODULE_NAME); - if (rc) { - printk(KERN_ERR PFX "Cannot obtain PCI resources," - " aborting\n"); - goto err_out_disable; - } - - pci_set_master(pdev); - - bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM); - if (bp->pm_cap == 0) { - printk(KERN_ERR PFX "Cannot find power management" - " capability, aborting\n"); - rc = -EIO; - goto err_out_release; - } - - bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP); - if (bp->pcie_cap == 0) { - printk(KERN_ERR PFX "Cannot find PCI Express capability," - " aborting\n"); - rc = -EIO; - goto err_out_release; - } - - if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) { - bp->flags |= USING_DAC_FLAG; - if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) { - printk(KERN_ERR PFX "pci_set_consistent_dma_mask" - " failed, aborting\n"); - rc = -EIO; - goto err_out_release; - } - - } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) { - printk(KERN_ERR PFX "System does not support DMA," - " aborting\n"); - rc = -EIO; - goto err_out_release; - } - - bp->dev = dev; - bp->pdev = pdev; - - spin_lock_init(&bp->phy_lock); - - INIT_WORK(&bp->reset_task, bnx2x_reset_task); - INIT_WORK(&bp->sp_task, bnx2x_sp_task); - - dev->base_addr = pci_resource_start(pdev, 0); - - dev->irq = pdev->irq; - - bp->regview = ioremap_nocache(dev->base_addr, - pci_resource_len(pdev, 0)); - if (!bp->regview) { - printk(KERN_ERR PFX "Cannot map register space, aborting\n"); - rc = -ENOMEM; - goto err_out_release; - } - - bp->doorbells = ioremap_nocache(pci_resource_start(pdev , 2), - pci_resource_len(pdev, 2)); - if (!bp->doorbells) { - printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n"); - rc = -ENOMEM; - goto err_out_unmap; - } - - bnx2x_set_power_state(bp, PCI_D0); - - bnx2x_get_hwinfo(bp); - - if (CHIP_REV(bp) == CHIP_REV_FPGA) { - printk(KERN_ERR PFX "FPGA detected. MCP disabled," - " will only init first device\n"); - onefunc = 1; - nomcp = 1; - } - - if (nomcp) { - printk(KERN_ERR PFX "MCP disabled, will only" - " init first device\n"); - onefunc = 1; - } - - if (onefunc && bp->port) { - printk(KERN_ERR PFX "Second device disabled, exiting\n"); - rc = -ENODEV; - goto err_out_unmap; - } - - bp->tx_ring_size = MAX_TX_AVAIL; - bp->rx_ring_size = MAX_RX_AVAIL; - - bp->rx_csum = 1; - - bp->rx_offset = 0; - - bp->tx_quick_cons_trip_int = 0xff; - bp->tx_quick_cons_trip = 0xff; - bp->tx_ticks_int = 50; - bp->tx_ticks = 50; - - bp->rx_quick_cons_trip_int = 0xff; - bp->rx_quick_cons_trip = 0xff; - bp->rx_ticks_int = 25; - bp->rx_ticks = 25; - - bp->stats_ticks = 1000000 & 0xffff00; - - bp->timer_interval = HZ; - bp->current_interval = (poll ? poll : HZ); - - init_timer(&bp->timer); - bp->timer.expires = jiffies + bp->current_interval; - bp->timer.data = (unsigned long) bp; - bp->timer.function = bnx2x_timer; - - return 0; - -err_out_unmap: - if (bp->regview) { - iounmap(bp->regview); - bp->regview = NULL; - } - - if (bp->doorbells) { - iounmap(bp->doorbells); - bp->doorbells = NULL; - } - -err_out_release: - pci_release_regions(pdev); - -err_out_disable: - pci_disable_device(pdev); - pci_set_drvdata(pdev, NULL); - -err_out: - return rc; -} - -static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp) -{ - u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL); - - val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT; - return val; -} - -/* return value of 1=2.5GHz 2=5GHz */ -static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp) -{ - u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL); - - val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT; - return val; -} - -static int __devinit bnx2x_init_one(struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - static int version_printed; - struct net_device *dev = NULL; - struct bnx2x *bp; - int rc; - int port = PCI_FUNC(pdev->devfn); - DECLARE_MAC_BUF(mac); - - if (version_printed++ == 0) - printk(KERN_INFO "%s", version); - - /* dev zeroed in init_etherdev */ - dev = alloc_etherdev(sizeof(*bp)); - if (!dev) - return -ENOMEM; - - netif_carrier_off(dev); - - bp = netdev_priv(dev); - bp->msglevel = debug; - - if (port && onefunc) { - printk(KERN_ERR PFX "second function disabled. exiting\n"); - free_netdev(dev); - return 0; - } - - rc = bnx2x_init_board(pdev, dev); - if (rc < 0) { - free_netdev(dev); - return rc; - } - - dev->hard_start_xmit = bnx2x_start_xmit; - dev->watchdog_timeo = TX_TIMEOUT; - - dev->ethtool_ops = &bnx2x_ethtool_ops; - dev->open = bnx2x_open; - dev->stop = bnx2x_close; - dev->set_multicast_list = bnx2x_set_rx_mode; - dev->set_mac_address = bnx2x_change_mac_addr; - dev->do_ioctl = bnx2x_ioctl; - dev->change_mtu = bnx2x_change_mtu; - dev->tx_timeout = bnx2x_tx_timeout; -#ifdef BCM_VLAN - dev->vlan_rx_register = bnx2x_vlan_rx_register; -#endif -#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER) - dev->poll_controller = poll_bnx2x; -#endif - dev->features |= NETIF_F_SG; - if (bp->flags & USING_DAC_FLAG) - dev->features |= NETIF_F_HIGHDMA; - dev->features |= NETIF_F_IP_CSUM; -#ifdef BCM_VLAN - dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; -#endif - dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN; - - rc = register_netdev(dev); - if (rc) { - dev_err(&pdev->dev, "Cannot register net device\n"); - if (bp->regview) - iounmap(bp->regview); - if (bp->doorbells) - iounmap(bp->doorbells); - pci_release_regions(pdev); - pci_disable_device(pdev); - pci_set_drvdata(pdev, NULL); - free_netdev(dev); - return rc; - } - - pci_set_drvdata(pdev, dev); - - bp->name = board_info[ent->driver_data].name; - printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx," - " IRQ %d, ", dev->name, bp->name, - ((CHIP_ID(bp) & 0xf000) >> 12) + 'A', - ((CHIP_ID(bp) & 0x0ff0) >> 4), - bnx2x_get_pcie_width(bp), - (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz", - dev->base_addr, bp->pdev->irq); - printk(KERN_CONT "node addr %s\n", print_mac(mac, dev->dev_addr)); - return 0; -} - -static void __devexit bnx2x_remove_one(struct pci_dev *pdev) -{ - struct net_device *dev = pci_get_drvdata(pdev); - struct bnx2x *bp; - - if (!dev) { - /* we get here if init_one() fails */ - printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n"); - return; - } - - bp = netdev_priv(dev); - - unregister_netdev(dev); - - if (bp->regview) - iounmap(bp->regview); - - if (bp->doorbells) - iounmap(bp->doorbells); - - free_netdev(dev); - pci_release_regions(pdev); - pci_disable_device(pdev); - pci_set_drvdata(pdev, NULL); -} - -static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state) -{ - struct net_device *dev = pci_get_drvdata(pdev); - struct bnx2x *bp; - - if (!dev) - return 0; - - if (!netif_running(dev)) - return 0; - - bp = netdev_priv(dev); - - bnx2x_nic_unload(bp, 0); - - netif_device_detach(dev); - - pci_save_state(pdev); - bnx2x_set_power_state(bp, pci_choose_state(pdev, state)); - - return 0; -} - -static int bnx2x_resume(struct pci_dev *pdev) -{ - struct net_device *dev = pci_get_drvdata(pdev); - struct bnx2x *bp; - int rc; - - if (!dev) { - printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n"); - return -ENODEV; - } - - if (!netif_running(dev)) - return 0; - - bp = netdev_priv(dev); - - pci_restore_state(pdev); - bnx2x_set_power_state(bp, PCI_D0); - netif_device_attach(dev); - - rc = bnx2x_nic_load(bp, 0); - if (rc) - return rc; - - return 0; -} - -static struct pci_driver bnx2x_pci_driver = { - .name = DRV_MODULE_NAME, - .id_table = bnx2x_pci_tbl, - .probe = bnx2x_init_one, - .remove = __devexit_p(bnx2x_remove_one), - .suspend = bnx2x_suspend, - .resume = bnx2x_resume, -}; - -static int __init bnx2x_init(void) -{ - return pci_register_driver(&bnx2x_pci_driver); -} - -static void __exit bnx2x_cleanup(void) -{ - pci_unregister_driver(&bnx2x_pci_driver); -} - -module_init(bnx2x_init); -module_exit(bnx2x_cleanup); - |