diff options
Diffstat (limited to 'drivers/net/s2io.c')
| -rw-r--r-- | drivers/net/s2io.c | 1476 |
1 files changed, 1107 insertions, 369 deletions
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index 79208f434ac..cac9fdd2e1d 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -26,15 +26,22 @@ * * The module loadable parameters that are supported by the driver and a brief * explaination of all the variables. + * * rx_ring_num : This can be used to program the number of receive rings used * in the driver. - * rx_ring_sz: This defines the number of descriptors each ring can have. This - * is also an array of size 8. + * rx_ring_sz: This defines the number of receive blocks each ring can have. + * This is also an array of size 8. * rx_ring_mode: This defines the operation mode of all 8 rings. The valid * values are 1, 2 and 3. * tx_fifo_num: This defines the number of Tx FIFOs thats used int the driver. * tx_fifo_len: This too is an array of 8. Each element defines the number of * Tx descriptors that can be associated with each corresponding FIFO. + * intr_type: This defines the type of interrupt. The values can be 0(INTA), + * 1(MSI), 2(MSI_X). Default value is '0(INTA)' + * lro: Specifies whether to enable Large Receive Offload (LRO) or not. + * Possible values '1' for enable '0' for disable. Default is '0' + * lro_max_pkts: This parameter defines maximum number of packets can be + * aggregated as a single large packet ************************************************************************/ #include <linux/config.h> @@ -70,7 +77,7 @@ #include "s2io.h" #include "s2io-regs.h" -#define DRV_VERSION "2.0.11.2" +#define DRV_VERSION "2.0.14.2" /* S2io Driver name & version. */ static char s2io_driver_name[] = "Neterion"; @@ -106,18 +113,14 @@ static inline int RXD_IS_UP2DT(RxD_t *rxdp) #define LOW 2 static inline int rx_buffer_level(nic_t * sp, int rxb_size, int ring) { - int level = 0; mac_info_t *mac_control; mac_control = &sp->mac_control; - if ((mac_control->rings[ring].pkt_cnt - rxb_size) > 16) { - level = LOW; - if (rxb_size <= rxd_count[sp->rxd_mode]) { - level = PANIC; - } - } - - return level; + if (rxb_size <= rxd_count[sp->rxd_mode]) + return PANIC; + else if ((mac_control->rings[ring].pkt_cnt - rxb_size) > 16) + return LOW; + return 0; } /* Ethtool related variables and Macros. */ @@ -136,7 +139,11 @@ static char ethtool_stats_keys[][ETH_GSTRING_LEN] = { {"tmac_mcst_frms"}, {"tmac_bcst_frms"}, {"tmac_pause_ctrl_frms"}, + {"tmac_ttl_octets"}, + {"tmac_ucst_frms"}, + {"tmac_nucst_frms"}, {"tmac_any_err_frms"}, + {"tmac_ttl_less_fb_octets"}, {"tmac_vld_ip_octets"}, {"tmac_vld_ip"}, {"tmac_drop_ip"}, @@ -151,13 +158,27 @@ static char ethtool_stats_keys[][ETH_GSTRING_LEN] = { {"rmac_vld_mcst_frms"}, {"rmac_vld_bcst_frms"}, {"rmac_in_rng_len_err_frms"}, + {"rmac_out_rng_len_err_frms"}, {"rmac_long_frms"}, {"rmac_pause_ctrl_frms"}, + {"rmac_unsup_ctrl_frms"}, + {"rmac_ttl_octets"}, + {"rmac_accepted_ucst_frms"}, + {"rmac_accepted_nucst_frms"}, {"rmac_discarded_frms"}, + {"rmac_drop_events"}, + {"rmac_ttl_less_fb_octets"}, + {"rmac_ttl_frms"}, {"rmac_usized_frms"}, {"rmac_osized_frms"}, {"rmac_frag_frms"}, {"rmac_jabber_frms"}, + {"rmac_ttl_64_frms"}, + {"rmac_ttl_65_127_frms"}, + {"rmac_ttl_128_255_frms"}, + {"rmac_ttl_256_511_frms"}, + {"rmac_ttl_512_1023_frms"}, + {"rmac_ttl_1024_1518_frms"}, {"rmac_ip"}, {"rmac_ip_octets"}, {"rmac_hdr_err_ip"}, @@ -166,12 +187,82 @@ static char ethtool_stats_keys[][ETH_GSTRING_LEN] = { {"rmac_tcp"}, {"rmac_udp"}, {"rmac_err_drp_udp"}, + {"rmac_xgmii_err_sym"}, + {"rmac_frms_q0"}, + {"rmac_frms_q1"}, + {"rmac_frms_q2"}, + {"rmac_frms_q3"}, + {"rmac_frms_q4"}, + {"rmac_frms_q5"}, + {"rmac_frms_q6"}, + {"rmac_frms_q7"}, + {"rmac_full_q0"}, + {"rmac_full_q1"}, + {"rmac_full_q2"}, + {"rmac_full_q3"}, + {"rmac_full_q4"}, + {"rmac_full_q5"}, + {"rmac_full_q6"}, + {"rmac_full_q7"}, {"rmac_pause_cnt"}, + {"rmac_xgmii_data_err_cnt"}, + {"rmac_xgmii_ctrl_err_cnt"}, {"rmac_accepted_ip"}, {"rmac_err_tcp"}, + {"rd_req_cnt"}, + {"new_rd_req_cnt"}, + {"new_rd_req_rtry_cnt"}, + {"rd_rtry_cnt"}, + {"wr_rtry_rd_ack_cnt"}, + {"wr_req_cnt"}, + {"new_wr_req_cnt"}, + {"new_wr_req_rtry_cnt"}, + {"wr_rtry_cnt"}, + {"wr_disc_cnt"}, + {"rd_rtry_wr_ack_cnt"}, + {"txp_wr_cnt"}, + {"txd_rd_cnt"}, + {"txd_wr_cnt"}, + {"rxd_rd_cnt"}, + {"rxd_wr_cnt"}, + {"txf_rd_cnt"}, + {"rxf_wr_cnt"}, + {"rmac_ttl_1519_4095_frms"}, + {"rmac_ttl_4096_8191_frms"}, + {"rmac_ttl_8192_max_frms"}, + {"rmac_ttl_gt_max_frms"}, + {"rmac_osized_alt_frms"}, + {"rmac_jabber_alt_frms"}, + {"rmac_gt_max_alt_frms"}, + {"rmac_vlan_frms"}, + {"rmac_len_discard"}, + {"rmac_fcs_discard"}, + {"rmac_pf_discard"}, + {"rmac_da_discard"}, + {"rmac_red_discard"}, + {"rmac_rts_discard"}, + {"rmac_ingm_full_discard"}, + {"link_fault_cnt"}, {"\n DRIVER STATISTICS"}, {"single_bit_ecc_errs"}, {"double_bit_ecc_errs"}, + {"parity_err_cnt"}, + {"serious_err_cnt"}, + {"soft_reset_cnt"}, + {"fifo_full_cnt"}, + {"ring_full_cnt"}, + ("alarm_transceiver_temp_high"), + ("alarm_transceiver_temp_low"), + ("alarm_laser_bias_current_high"), + ("alarm_laser_bias_current_low"), + ("alarm_laser_output_power_high"), + ("alarm_laser_output_power_low"), + ("warn_transceiver_temp_high"), + ("warn_transceiver_temp_low"), + ("warn_laser_bias_current_high"), + ("warn_laser_bias_current_low"), + ("warn_laser_output_power_high"), + ("warn_laser_output_power_low"), ("lro_aggregated_pkts"), ("lro_flush_both_count"), ("lro_out_of_sequence_pkts"), @@ -220,9 +311,7 @@ static void s2io_vlan_rx_kill_vid(struct net_device *dev, unsigned long vid) * the XAUI. */ -#define SWITCH_SIGN 0xA5A5A5A5A5A5A5A5ULL #define END_SIGN 0x0 - static const u64 herc_act_dtx_cfg[] = { /* Set address */ 0x8000051536750000ULL, 0x80000515367500E0ULL, @@ -244,37 +333,19 @@ static const u64 herc_act_dtx_cfg[] = { END_SIGN }; -static const u64 xena_mdio_cfg[] = { - /* Reset PMA PLL */ - 0xC001010000000000ULL, 0xC0010100000000E0ULL, - 0xC0010100008000E4ULL, - /* Remove Reset from PMA PLL */ - 0xC001010000000000ULL, 0xC0010100000000E0ULL, - 0xC0010100000000E4ULL, - END_SIGN -}; - static const u64 xena_dtx_cfg[] = { + /* Set address */ 0x8000051500000000ULL, 0x80000515000000E0ULL, - 0x80000515D93500E4ULL, 0x8001051500000000ULL, - 0x80010515000000E0ULL, 0x80010515001E00E4ULL, - 0x8002051500000000ULL, 0x80020515000000E0ULL, - 0x80020515F21000E4ULL, - /* Set PADLOOPBACKN */ - 0x8002051500000000ULL, 0x80020515000000E0ULL, - 0x80020515B20000E4ULL, 0x8003051500000000ULL, - 0x80030515000000E0ULL, 0x80030515B20000E4ULL, - 0x8004051500000000ULL, 0x80040515000000E0ULL, - 0x80040515B20000E4ULL, 0x8005051500000000ULL, - 0x80050515000000E0ULL, 0x80050515B20000E4ULL, - SWITCH_SIGN, - /* Remove PADLOOPBACKN */ + /* Write data */ + 0x80000515D9350004ULL, 0x80000515D93500E4ULL, + /* Set address */ + 0x8001051500000000ULL, 0x80010515000000E0ULL, + /* Write data */ + 0x80010515001E0004ULL, 0x80010515001E00E4ULL, + /* Set address */ 0x8002051500000000ULL, 0x80020515000000E0ULL, - 0x80020515F20000E4ULL, 0x8003051500000000ULL, - 0x80030515000000E0ULL, 0x80030515F20000E4ULL, - 0x8004051500000000ULL, 0x80040515000000E0ULL, - 0x80040515F20000E4ULL, 0x8005051500000000ULL, - 0x80050515000000E0ULL, 0x80050515F20000E4ULL, + /* Write data */ + 0x80020515F2100004ULL, 0x80020515F21000E4ULL, END_SIGN }; @@ -303,15 +374,15 @@ static const u64 fix_mac[] = { /* Module Loadable parameters. */ static unsigned int tx_fifo_num = 1; static unsigned int tx_fifo_len[MAX_TX_FIFOS] = - {[0 ...(MAX_TX_FIFOS - 1)] = 0 }; + {DEFAULT_FIFO_0_LEN, [1 ...(MAX_TX_FIFOS - 1)] = DEFAULT_FIFO_1_7_LEN}; static unsigned int rx_ring_num = 1; static unsigned int rx_ring_sz[MAX_RX_RINGS] = - {[0 ...(MAX_RX_RINGS - 1)] = 0 }; + {[0 ...(MAX_RX_RINGS - 1)] = SMALL_BLK_CNT}; static unsigned int rts_frm_len[MAX_RX_RINGS] = {[0 ...(MAX_RX_RINGS - 1)] = 0 }; static unsigned int rx_ring_mode = 1; static unsigned int use_continuous_tx_intrs = 1; -static unsigned int rmac_pause_time = 65535; +static unsigned int rmac_pause_time = 0x100; static unsigned int mc_pause_threshold_q0q3 = 187; static unsigned int mc_pause_threshold_q4q7 = 187; static unsigned int shared_splits; @@ -549,11 +620,6 @@ static int init_shared_mem(struct s2io_nic *nic) rx_blocks->block_dma_addr + (rxd_size[nic->rxd_mode] * l); } - - mac_control->rings[i].rx_blocks[j].block_virt_addr = - tmp_v_addr; - mac_control->rings[i].rx_blocks[j].block_dma_addr = - tmp_p_addr; } /* Interlinking all Rx Blocks */ for (j = 0; j < blk_cnt; j++) { @@ -772,7 +838,21 @@ static int s2io_verify_pci_mode(nic_t *nic) return mode; } +#define NEC_VENID 0x1033 +#define NEC_DEVID 0x0125 +static int s2io_on_nec_bridge(struct pci_dev *s2io_pdev) +{ + struct pci_dev *tdev = NULL; + while ((tdev = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, tdev)) != NULL) { + if ((tdev->vendor == NEC_VENID) && (tdev->device == NEC_DEVID)){ + if (tdev->bus == s2io_pdev->bus->parent) + return 1; + } + } + return 0; +} +static int bus_speed[8] = {33, 133, 133, 200, 266, 133, 200, 266}; /** * s2io_print_pci_mode - */ @@ -789,6 +869,14 @@ static int s2io_print_pci_mode(nic_t *nic) if ( val64 & PCI_MODE_UNKNOWN_MODE) return -1; /* Unknown PCI mode */ + config->bus_speed = bus_speed[mode]; + + if (s2io_on_nec_bridge(nic->pdev)) { + DBG_PRINT(ERR_DBG, "%s: Device is on PCI-E bus\n", + nic->dev->name); + return mode; + } + if (val64 & PCI_MODE_32_BITS) { DBG_PRINT(ERR_DBG, "%s: Device is on 32 bit ", nic->dev->name); } else { @@ -798,35 +886,27 @@ static int s2io_print_pci_mode(nic_t *nic) switch(mode) { case PCI_MODE_PCI_33: DBG_PRINT(ERR_DBG, "33MHz PCI bus\n"); - config->bus_speed = 33; break; case PCI_MODE_PCI_66: DBG_PRINT(ERR_DBG, "66MHz PCI bus\n"); - config->bus_speed = 133; break; case PCI_MODE_PCIX_M1_66: DBG_PRINT(ERR_DBG, "66MHz PCIX(M1) bus\n"); - config->bus_speed = 133; /* Herc doubles the clock rate */ break; case PCI_MODE_PCIX_M1_100: DBG_PRINT(ERR_DBG, "100MHz PCIX(M1) bus\n"); - config->bus_speed = 200; break; case PCI_MODE_PCIX_M1_133: DBG_PRINT(ERR_DBG, "133MHz PCIX(M1) bus\n"); - config->bus_speed = 266; break; case PCI_MODE_PCIX_M2_66: DBG_PRINT(ERR_DBG, "133MHz PCIX(M2) bus\n"); - config->bus_speed = 133; break; case PCI_MODE_PCIX_M2_100: DBG_PRINT(ERR_DBG, "200MHz PCIX(M2) bus\n"); - config->bus_speed = 200; break; case PCI_MODE_PCIX_M2_133: DBG_PRINT(ERR_DBG, "266MHz PCIX(M2) bus\n"); - config->bus_speed = 266; break; default: return -1; /* Unsupported bus speed */ @@ -854,7 +934,7 @@ static int init_nic(struct s2io_nic *nic) int i, j; mac_info_t *mac_control; struct config_param *config; - int mdio_cnt = 0, dtx_cnt = 0; + int dtx_cnt = 0; unsigned long long mem_share; int mem_size; @@ -901,20 +981,6 @@ static int init_nic(struct s2io_nic *nic) val64 = dev->mtu; writeq(vBIT(val64, 2, 14), &bar0->rmac_max_pyld_len); - /* - * Configuring the XAUI Interface of Xena. - * *************************************** - * To Configure the Xena's XAUI, one has to write a series - * of 64 bit values into two registers in a particular - * sequence. Hence a macro 'SWITCH_SIGN' has been defined - * which will be defined in the array of configuration values - * (xena_dtx_cfg & xena_mdio_cfg) at appropriate places - * to switch writing from one regsiter to another. We continue - * writing these values until we encounter the 'END_SIGN' macro. - * For example, After making a series of 21 writes into - * dtx_control register the 'SWITCH_SIGN' appears and hence we - * start writing into mdio_control until we encounter END_SIGN. - */ if (nic->device_type & XFRAME_II_DEVICE) { while (herc_act_dtx_cfg[dtx_cnt] != END_SIGN) { SPECIAL_REG_WRITE(herc_act_dtx_cfg[dtx_cnt], @@ -924,35 +990,11 @@ static int init_nic(struct s2io_nic *nic) dtx_cnt++; } } else { - while (1) { - dtx_cfg: - while (xena_dtx_cfg[dtx_cnt] != END_SIGN) { - if (xena_dtx_cfg[dtx_cnt] == SWITCH_SIGN) { - dtx_cnt++; - goto mdio_cfg; - } - SPECIAL_REG_WRITE(xena_dtx_cfg[dtx_cnt], - &bar0->dtx_control, UF); - val64 = readq(&bar0->dtx_control); - dtx_cnt++; - } - mdio_cfg: - while (xena_mdio_cfg[mdio_cnt] != END_SIGN) { - if (xena_mdio_cfg[mdio_cnt] == SWITCH_SIGN) { - mdio_cnt++; - goto dtx_cfg; - } - SPECIAL_REG_WRITE(xena_mdio_cfg[mdio_cnt], - &bar0->mdio_control, UF); - val64 = readq(&bar0->mdio_control); - mdio_cnt++; - } - if ((xena_dtx_cfg[dtx_cnt] == END_SIGN) && - (xena_mdio_cfg[mdio_cnt] == END_SIGN)) { - break; - } else { - goto dtx_cfg; - } + while (xena_dtx_cfg[dtx_cnt] != END_SIGN) { + SPECIAL_REG_WRITE(xena_dtx_cfg[dtx_cnt], + &bar0->dtx_control, UF); + val64 = readq(&bar0->dtx_control); + dtx_cnt++; } } @@ -994,11 +1036,6 @@ static int init_nic(struct s2io_nic *nic) } } - /* Enable Tx FIFO partition 0. */ - val64 = readq(&bar0->tx_fifo_partition_0); - val64 |= BIT(0); /* To enable the FIFO partition. */ - writeq(val64, &bar0->tx_fifo_partition_0); - /* * Disable 4 PCCs for Xena1, 2 and 3 as per H/W bug * SXE-008 TRANSMIT DMA ARBITRATION ISSUE. @@ -1177,6 +1214,11 @@ static int init_nic(struct s2io_nic *nic) break; } + /* Enable Tx FIFO partition 0. */ + val64 = readq(&bar0->tx_fifo_partition_0); + val64 |= (TX_FIFO_PARTITION_EN); + writeq(val64, &bar0->tx_fifo_partition_0); + /* Filling the Rx round robin registers as per the * number of Rings and steering based on QoS. */ @@ -1545,19 +1587,26 @@ static int init_nic(struct s2io_nic *nic) val64 |= PIC_CNTL_SHARED_SPLITS(shared_splits); writeq(val64, &bar0->pic_control); + if (nic->config.bus_speed == 266) { + writeq(TXREQTO_VAL(0x7f) | TXREQTO_EN, &bar0->txreqtimeout); + writeq(0x0, &bar0->read_retry_delay); + writeq(0x0, &bar0->write_retry_delay); + } + /* * Programming the Herc to split every write transaction * that does not start on an ADB to reduce disconnects. */ if (nic->device_type == XFRAME_II_DEVICE) { - val64 = WREQ_SPLIT_MASK_SET_MASK(255); - writeq(val64, &bar0->wreq_split_mask); - } - - /* Setting Link stability period to 64 ms */ - if (nic->device_type == XFRAME_II_DEVICE) { - val64 = MISC_LINK_STABILITY_PRD(3); + val64 = EXT_REQ_EN | MISC_LINK_STABILITY_PRD(3); writeq(val64, &bar0->misc_control); + val64 = readq(&bar0->pic_control2); + val64 &= ~(BIT(13)|BIT(14)|BIT(15)); + writeq(val64, &bar0->pic_control2); + } + if (strstr(nic->product_name, "CX4")) { + val64 = TMAC_AVG_IPG(0x17); + writeq(val64, &bar0->tmac_avg_ipg); } return SUCCESS; @@ -1948,6 +1997,10 @@ static int start_nic(struct s2io_nic *nic) val64 |= PRC_CTRL_RC_ENABLED; else val64 |= PRC_CTRL_RC_ENABLED | PRC_CTRL_RING_MODE_3; + if (nic->device_type == XFRAME_II_DEVICE) + val64 |= PRC_CTRL_GROUP_READS; + val64 &= ~PRC_CTRL_RXD_BACKOFF_INTERVAL(0xFFFFFF); + val64 |= PRC_CTRL_RXD_BACKOFF_INTERVAL(0x1000); writeq(val64, &bar0->prc_ctrl_n[i]); } @@ -2018,6 +2071,13 @@ static int start_nic(struct s2io_nic *nic) val64 |= ADAPTER_EOI_TX_ON; writeq(val64, &bar0->adapter_control); + if (s2io_link_fault_indication(nic) == MAC_RMAC_ERR_TIMER) { + /* + * Dont see link state interrupts initally on some switches, + * so directly scheduling the link state task here. + */ + schedule_work(&nic->set_link_task); + } /* SXE-002: Initialize link and activity LED */ subid = nic->pdev->subsystem_device; if (((subid & 0xFF) >= 0x07) && @@ -2029,12 +2089,6 @@ static int start_nic(struct s2io_nic *nic) writeq(val64, (void __iomem *)bar0 + 0x2700); } - /* - * Don't see link state interrupts on certain switches, so - * directly scheduling a link state task from here. - */ - schedule_work(&nic->set_link_task); - return SUCCESS; } /** @@ -2134,7 +2188,7 @@ static void stop_nic(struct s2io_nic *nic) { XENA_dev_config_t __iomem *bar0 = nic->bar0; register u64 val64 = 0; - u16 interruptible, i; + u16 interruptible; mac_info_t *mac_control; struct config_param *config; @@ -2147,12 +2201,10 @@ static void stop_nic(struct s2io_nic *nic) interruptible |= TX_MAC_INTR | RX_MAC_INTR; en_dis_able_nic_intrs(nic, interruptible, DISABLE_INTRS); - /* Disable PRCs */ - for (i = 0; i < config->rx_ring_num; i++) { - val64 = readq(&bar0->prc_ctrl_n[i]); - val64 &= ~((u64) PRC_CTRL_RC_ENABLED); - writeq(val64, &bar0->prc_ctrl_n[i]); - } + /* Clearing Adapter_En bit of ADAPTER_CONTROL Register */ + val64 = readq(&bar0->adapter_control); + val64 &= ~(ADAPTER_CNTL_EN); + writeq(val64, &bar0->adapter_control); } static int fill_rxd_3buf(nic_t *nic, RxD_t *rxdp, struct sk_buff *skb) @@ -2231,13 +2283,12 @@ static int fill_rx_buffers(struct s2io_nic *nic, int ring_no) alloc_cnt = mac_control->rings[ring_no].pkt_cnt - atomic_read(&nic->rx_bufs_left[ring_no]); + block_no1 = mac_control->rings[ring_no].rx_curr_get_info.block_index; + off1 = mac_control->rings[ring_no].rx_curr_get_info.offset; while (alloc_tab < alloc_cnt) { block_no = mac_control->rings[ring_no].rx_curr_put_info. block_index; - block_no1 = mac_control->rings[ring_no].rx_curr_get_info. - block_index; off = mac_control->rings[ring_no].rx_curr_put_info.offset; - off1 = mac_control->rings[ring_no].rx_curr_get_info.offset; rxdp = mac_control->rings[ring_no]. rx_blocks[block_no].rxds[off].virt_addr; @@ -2307,9 +2358,9 @@ static int fill_rx_buffers(struct s2io_nic *nic, int ring_no) memset(rxdp, 0, sizeof(RxD1_t)); skb_reserve(skb, NET_IP_ALIGN); ((RxD1_t*)rxdp)->Buffer0_ptr = pci_map_single - (nic->pdev, skb->data, size, PCI_DMA_FROMDEVICE); - rxdp->Control_2 &= (~MASK_BUFFER0_SIZE_1); - rxdp->Control_2 |= SET_BUFFER0_SIZE_1(size); + (nic->pdev, skb->data, size - NET_IP_ALIGN, + PCI_DMA_FROMDEVICE); + rxdp->Control_2 = SET_BUFFER0_SIZE_1(size - NET_IP_ALIGN); } else if (nic->rxd_mode >= RXD_MODE_3A) { /* @@ -2516,7 +2567,7 @@ static int s2io_poll(struct net_device *dev, int *budget) mac_info_t *mac_control; struct config_param *config; XENA_dev_config_t __iomem *bar0 = nic->bar0; - u64 val64; + u64 val64 = 0xFFFFFFFFFFFFFFFFULL; int i; atomic_inc(&nic->isr_cnt); @@ -2528,8 +2579,8 @@ static int s2io_poll(struct net_device *dev, int *budget) nic->pkts_to_process = dev->quota; org_pkts_to_process = nic->pkts_to_process; - val64 = readq(&bar0->rx_traffic_int); writeq(val64, &bar0->rx_traffic_int); + val64 = readl(&bar0->rx_traffic_int); for (i = 0; i < config->rx_ring_num; i++) { rx_intr_handler(&mac_control->rings[i]); @@ -2554,7 +2605,8 @@ static int s2io_poll(struct net_device *dev, int *budget) } } /* Re enable the Rx interrupts. */ - en_dis_able_nic_intrs(nic, RX_TRAFFIC_INTR, ENABLE_INTRS); + writeq(0x0, &bar0->rx_traffic_mask); + val64 = readl(&bar0->rx_traffic_mask); atomic_dec(&nic->isr_cnt); return 0; @@ -2666,6 +2718,7 @@ static void rx_intr_handler(ring_info_t *ring_data) ((RxD3_t*)rxdp)->Buffer2_ptr, dev->mtu, PCI_DMA_FROMDEVICE); } + prefetch(skb->data); rx_osm_handler(ring_data, rxdp); get_info.offset++; ring_data->rx_curr_get_info.offset = get_info.offset; @@ -2737,6 +2790,10 @@ static void tx_intr_handler(fifo_info_t *fifo_data) if (txdlp->Control_1 & TXD_T_CODE) { unsigned long long err; err = txdlp->Control_1 & TXD_T_CODE; + if (err & 0x1) { + nic->mac_control.stats_info->sw_stat. + parity_err_cnt++; + } if ((err >> 48) == 0xA) { DBG_PRINT(TX_DBG, "TxD returned due \ to loss of link\n"); @@ -2760,7 +2817,8 @@ to loss of link\n"); dev_kfree_skb_irq(skb); get_info.offset++; - get_info.offset %= get_info.fifo_len + 1; + if (get_info.offset == get_info.fifo_len + 1) + get_info.offset = 0; txdlp = (TxD_t *) fifo_data->list_info [get_info.offset].list_virt_addr; fifo_data->tx_curr_get_info.offset = @@ -2774,6 +2832,256 @@ to loss of link\n"); } /** + * s2io_mdio_write - Function to write in to MDIO registers + * @mmd_type : MMD type value (PMA/PMD/WIS/PCS/PHYXS) + * @addr : address value + * @value : data value + * @dev : pointer to net_device structure + * Description: + * This function is used to write values to the MDIO registers + * NONE + */ +static void s2io_mdio_write(u32 mmd_type, u64 addr, u16 value, struct net_device *dev) +{ + u64 val64 = 0x0; + nic_t *sp = dev->priv; + XENA_dev_config_t *bar0 = (XENA_dev_config_t *)sp->bar0; + + //address transaction + val64 = val64 | MDIO_MMD_INDX_ADDR(addr) + | MDIO_MMD_DEV_ADDR(mmd_type) + | MDIO_MMS_PRT_ADDR(0x0); + writeq(val64, &bar0->mdio_control); + val64 = val64 | MDIO_CTRL_START_TRANS(0xE); + writeq(val64, &bar0->mdio_control); + udelay(100); + + //Data transaction + val64 = 0x0; + val64 = val64 | MDIO_MMD_INDX_ADDR(addr) + | MDIO_MMD_DEV_ADDR(mmd_type) + | MDIO_MMS_PRT_ADDR(0x0) + | MDIO_MDIO_DATA(value) + | MDIO_OP(MDIO_OP_WRITE_TRANS); + writeq(val64, &bar0->mdio_control); + val64 = val64 | MDIO_CTRL_START_TRANS(0xE); + writeq(val64, &bar0->mdio_control); + udelay(100); + + val64 = 0x0; + val64 = val64 | MDIO_MMD_INDX_ADDR(addr) + | MDIO_MMD_DEV_ADDR(mmd_type) + | MDIO_MMS_PRT_ADDR(0x0) + | MDIO_OP(MDIO_OP_READ_TRANS); + writeq(val64, &bar0->mdio_control); + val64 = val64 | MDIO_CTRL_START_TRANS(0xE); + writeq(val64, &bar0->mdio_control); + udelay(100); + +} + +/** + * s2io_mdio_read - Function to write in to MDIO registers + * @mmd_type : MMD type value (PMA/PMD/WIS/PCS/PHYXS) + * @addr : address value + * @dev : pointer to net_device structure + * Description: + * This function is used to read values to the MDIO registers + * NONE + */ +static u64 s2io_mdio_read(u32 mmd_type, u64 addr, struct net_device *dev) +{ + u64 val64 = 0x0; + u64 rval64 = 0x0; + nic_t *sp = dev->priv; + XENA_dev_config_t *bar0 = (XENA_dev_config_t *)sp->bar0; + + /* address transaction */ + val64 = val64 | MDIO_MMD_INDX_ADDR(addr) + | MDIO_MMD_DEV_ADDR(mmd_type) + | MDIO_MMS_PRT_ADDR(0x0); + writeq(val64, &bar0->mdio_control); + val64 = val64 | MDIO_CTRL_START_TRANS(0xE); + writeq(val64, &bar0->mdio_control); + udelay(100); + + /* Data transaction */ + val64 = 0x0; + val64 = val64 | MDIO_MMD_INDX_ADDR(addr) + | MDIO_MMD_DEV_ADDR(mmd_type) + | MDIO_MMS_PRT_ADDR(0x0) + | MDIO_OP(MDIO_OP_READ_TRANS); + writeq(val64, &bar0->mdio_control); + val64 = val64 | MDIO_CTRL_START_TRANS(0xE); + writeq(val64, &bar0->mdio_control); + udelay(100); + + /* Read the value from regs */ + rval64 = readq(&bar0->mdio_control); + rval64 = rval64 & 0xFFFF0000; + rval64 = rval64 >> 16; + return rval64; +} +/** + * s2io_chk_xpak_counter - Function to check the status of the xpak counters + * @counter : couter value to be updated + * @flag : flag to indicate the status + * @type : counter type + * Description: + * This function is to check the status of the xpak counters value + * NONE + */ + +static void s2io_chk_xpak_counter(u64 *counter, u64 * regs_stat, u32 index, u16 flag, u16 type) +{ + u64 mask = 0x3; + u64 val64; + int i; + for(i = 0; i <index; i++) + mask = mask << 0x2; + + if(flag > 0) + { + *counter = *counter + 1; + val64 = *regs_stat & mask; + val64 = val64 >> (index * 0x2); + val64 = val64 + 1; + if(val64 == 3) + { + switch(type) + { + case 1: + DBG_PRINT(ERR_DBG, "Take Xframe NIC out of " + "service. Excessive temperatures may " + "result in premature transceiver " + "failure \n"); + break; + case 2: + DBG_PRINT(ERR_DBG, "Take Xframe NIC out of " + "service Excessive bias currents may " + "indicate imminent laser diode " + "failure \n"); + break; + case 3: + DBG_PRINT(ERR_DBG, "Take Xframe NIC out of " + "service Excessive laser output " + "power may saturate far-end " + "receiver\n"); + break; + default: + DBG_PRINT(ERR_DBG, "Incorrect XPAK Alarm " + "type \n"); + } + val64 = 0x0; + } + val64 = val64 << (index * 0x2); + *regs_stat = (*regs_stat & (~mask)) | (val64); + + } else { + *regs_stat = *regs_stat & (~mask); + } +} + +/** + * s2io_updt_xpak_counter - Function to update the xpak counters + * @dev : pointer to net_device struct + * Description: + * This function is to upate the status of the xpak counters value + * NONE + */ +static void s2io_updt_xpak_counter(struct net_device *dev) +{ + u16 flag = 0x0; + u16 type = 0x0; + u16 val16 = 0x0; + u64 val64 = 0x0; + u64 addr = 0x0; + + nic_t *sp = dev->priv; + StatInfo_t *stat_info = sp->mac_control.stats_info; + + /* Check the communication with the MDIO slave */ + addr = 0x0000; + val64 = 0x0; + val64 = s2io_mdio_read(MDIO_MMD_PMA_DEV_ADDR, addr, dev); + if((val64 == 0xFFFF) || (val64 == 0x0000)) + { + DBG_PRINT(ERR_DBG, "ERR: MDIO slave access failed - " + "Returned %llx\n", (unsigned long long)val64); + return; + } + + /* Check for the expecte value of 2040 at PMA address 0x0000 */ + if(val64 != 0x2040) + { + DBG_PRINT(ERR_DBG, "Incorrect value at PMA address 0x0000 - "); + DBG_PRINT(ERR_DBG, "Returned: %llx- Expected: 0x2040\n", + (unsigned long long)val64); + return; + } + + /* Loading the DOM register to MDIO register */ + addr = 0xA100; + s2io_mdio_write(MDIO_MMD_PMA_DEV_ADDR, addr, val16, dev); + val64 = s2io_mdio_read(MDIO_MMD_PMA_DEV_ADDR, addr, dev); + + /* Reading the Alarm flags */ + addr = 0xA070; + val64 = 0x0; + val64 = s2io_mdio_read(MDIO_MMD_PMA_DEV_ADDR, addr, dev); + + flag = CHECKBIT(val64, 0x7); + type = 1; + s2io_chk_xpak_counter(&stat_info->xpak_stat.alarm_transceiver_temp_high, + &stat_info->xpak_stat.xpak_regs_stat, + 0x0, flag, type); + + if(CHECKBIT(val64, 0x6)) + stat_info->xpak_stat.alarm_transceiver_temp_low++; + + flag = CHECKBIT(val64, 0x3); + type = 2; + s2io_chk_xpak_counter(&stat_info->xpak_stat.alarm_laser_bias_current_high, + &stat_info->xpak_stat.xpak_regs_stat, + 0x2, flag, type); + + if(CHECKBIT(val64, 0x2)) + stat_info->xpak_stat.alarm_laser_bias_current_low++; + + flag = CHECKBIT(val64, 0x1); + type = 3; + s2io_chk_xpak_counter(&stat_info->xpak_stat.alarm_laser_output_power_high, + &stat_info->xpak_stat.xpak_regs_stat, + 0x4, flag, type); + + if(CHECKBIT(val64, 0x0)) + stat_info->xpak_stat.alarm_laser_output_power_low++; + + /* Reading the Warning flags */ + addr = 0xA074; + val64 = 0x0; + val64 = s2io_mdio_read(MDIO_MMD_PMA_DEV_ADDR, addr, dev); + + if(CHECKBIT(val64, 0x7)) + stat_info->xpak_stat.warn_transceiver_temp_high++; + + if(CHECKBIT(val64, 0x6)) + stat_info->xpak_stat.warn_transceiver_temp_low++; + + if(CHECKBIT(val64, 0x3)) + stat_info->xpak_stat.warn_laser_bias_current_high++; + + if(CHECKBIT(val64, 0x2)) + stat_info->xpak_stat.warn_laser_bias_current_low++; + + if(CHECKBIT(val64, 0x1)) + stat_info->xpak_stat.warn_laser_output_power_high++; + + if(CHECKBIT(val64, 0x0)) + stat_info->xpak_stat.warn_laser_output_power_low++; +} + +/** * alarm_intr_handler - Alarm Interrrupt handler * @nic: device private variable * Description: If the interrupt was neither because of Rx packet or Tx @@ -2790,6 +3098,18 @@ static void alarm_intr_handler(struct s2io_nic *nic) struct net_device *dev = (struct net_device *) nic->dev; XENA_dev_config_t __iomem *bar0 = nic->bar0; register u64 val64 = 0, err_reg = 0; + u64 cnt; + int i; + nic->mac_control.stats_info->sw_stat.ring_full_cnt = 0; + /* Handling the XPAK counters update */ + if(nic->mac_control.stats_info->xpak_stat.xpak_timer_count < 72000) { + /* waiting for an hour */ + nic->mac_control.stats_info->xpak_stat.xpak_timer_count++; + } else { + s2io_updt_xpak_counter(dev); + /* reset the count to zero */ + nic->mac_control.stats_info->xpak_stat.xpak_timer_count = 0; + } /* Handling link status change error Intr */ if (s2io_link_fault_indication(nic) == MAC_RMAC_ERR_TIMER) { @@ -2816,6 +3136,8 @@ static void alarm_intr_handler(struct s2io_nic *nic) MC_ERR_REG_MIRI_ECC_DB_ERR_1)) { netif_stop_queue(dev); schedule_work(&nic->rst_timer_task); + nic->mac_control.stats_info->sw_stat. + soft_reset_cnt++; } } } else { @@ -2827,11 +3149,13 @@ static void alarm_intr_handler(struct s2io_nic *nic) /* In case of a serious error, the device will be Reset. */ val64 = readq(&bar0->serr_source); if (val64 & SERR_SOURCE_ANY) { + nic->mac_control.stats_info->sw_stat.serious_err_cnt++; DBG_PRINT(ERR_DBG, "%s: Device indicates ", dev->name); DBG_PRINT(ERR_DBG, "serious error %llx!!\n", (unsigned long long)val64); netif_stop_queue(dev); schedule_work(&nic->rst_timer_task); + nic->mac_control.stats_info->sw_stat.soft_reset_cnt++; } /* @@ -2849,6 +3173,35 @@ static void alarm_intr_handler(struct s2io_nic *nic) ac = readq(&bar0->adapter_control); schedule_work(&nic->set_link_task); } + /* Check for data parity error */ + val64 = readq(&bar0->pic_int_status); + if (val64 & PIC_INT_GPIO) { + val64 = readq(&bar0->gpio_int_reg); + if (val64 & GPIO_INT_REG_DP_ERR_INT) { + nic->mac_control.stats_info->sw_stat.parity_err_cnt++; + schedule_work(&nic->rst_timer_task); + nic->mac_control.stats_info->sw_stat.soft_reset_cnt++; + } + } + + /* Check for ring full counter */ + if (nic->device_type & XFRAME_II_DEVICE) { + val64 = readq(&bar0->ring_bump_counter1); + for (i=0; i<4; i++) { + cnt = ( val64 & vBIT(0xFFFF,(i*16),16)); + cnt >>= 64 - ((i+1)*16); + nic->mac_control.stats_info->sw_stat.ring_full_cnt + += cnt; + } + + val64 = readq(&bar0->ring_bump_counter2); + for (i=0; i<4; i++) { + cnt = ( val64 & vBIT(0xFFFF,(i*16),16)); + cnt >>= 64 - ((i+1)*16); + nic->mac_control.stats_info->sw_stat.ring_full_cnt + += cnt; + } + } /* Other type of interrupts are not being handled now, TODO */ } @@ -2864,23 +3217,26 @@ static void alarm_intr_handler(struct s2io_nic *nic) * SUCCESS on success and FAILURE on failure. */ -static int wait_for_cmd_complete(nic_t * sp) +static int wait_for_cmd_complete(void *addr, u64 busy_bit) { - XENA_dev_config_t __iomem *bar0 = sp->bar0; int ret = FAILURE, cnt = 0; u64 val64; while (TRUE) { - val64 = readq(&bar0->rmac_addr_cmd_mem); - if (!(val64 & RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING)) { + val64 = readq(addr); + if (!(val64 & busy_bit)) { ret = SUCCESS; break; } - msleep(50); + + if(in_interrupt()) + mdelay(50); + else + msleep(50); + if (cnt++ > 10) break; } - return ret; } @@ -2919,6 +3275,9 @@ static void s2io_reset(nic_t * sp) * PCI write to sw_reset register is done by this time. */ msleep(250); + if (strstr(sp->product_name, "CX4")) { + msleep(750); + } /* Restore the PCI state saved during initialization. */ pci_restore_state(sp->pdev); @@ -3137,7 +3496,7 @@ static void restore_xmsi_data(nic_t *nic) u64 val64; int i; - for (i=0; i< MAX_REQUESTED_MSI_X; i++) { + for (i=0; i< nic->avail_msix_vectors; i++) { writeq(nic->msix_info[i].addr, &bar0->xmsi_address); writeq(nic->msix_info[i].data, &bar0->xmsi_data); val64 = (BIT(7) | BIT(15) | vBIT(i, 26, 6)); @@ -3156,7 +3515,7 @@ static void store_xmsi_data(nic_t *nic) int i; /* Store and display */ - for (i=0; i< MAX_REQUESTED_MSI_X; i++) { + for (i=0; i< nic->avail_msix_vectors; i++) { val64 = (BIT(15) | vBIT(i, 26, 6)); writeq(val64, &bar0->xmsi_access); if (wait_for_msix_trans(nic, i)) { @@ -3284,15 +3643,24 @@ static int s2io_enable_msi_x(nic_t *nic) writeq(tx_mat, &bar0->tx_mat0_n[7]); } + nic->avail_msix_vectors = 0; ret = pci_enable_msix(nic->pdev, nic->entries, MAX_REQUESTED_MSI_X); + /* We fail init if error or we get less vectors than min required */ + if (ret >= (nic->config.tx_fifo_num + nic->config.rx_ring_num + 1)) { + nic->avail_msix_vectors = ret; + ret = pci_enable_msix(nic->pdev, nic->entries, ret); + } if (ret) { DBG_PRINT(ERR_DBG, "%s: Enabling MSIX failed\n", nic->dev->name); kfree(nic->entries); kfree(nic->s2io_entries); nic->entries = NULL; nic->s2io_entries = NULL; + nic->avail_msix_vectors = 0; return -ENOMEM; } + if (!nic->avail_msix_vectors) + nic->avail_msix_vectors = MAX_REQUESTED_MSI_X; /* * To enable MSI-X, MSI also needs to be enabled, due to a bug @@ -3325,8 +3693,6 @@ static int s2io_open(struct net_device *dev) { nic_t *sp = dev->priv; int err = 0; - int i; - u16 msi_control; /* Temp variable */ /* * Make sure you have link off by default every time @@ -3336,11 +3702,14 @@ static int s2io_open(struct net_device *dev) sp->last_link_state = 0; /* Initialize H/W and enable interrupts */ - if (s2io_card_up(sp)) { + err = s2io_card_up(sp); + if (err) { DBG_PRINT(ERR_DBG, "%s: H/W initialization failed\n", dev->name); - err = -ENODEV; - goto hw_init_failed; + if (err == -ENODEV) + goto hw_init_failed; + else + goto hw_enable_failed; } /* Store the values of the MSIX table in the nic_t structure */ @@ -3357,6 +3726,8 @@ failed\n", dev->name); } } if (sp->intr_type == MSI_X) { + int i; + for (i=1; (sp->s2io_entries[i].in_use == MSIX_FLG); i++) { if (sp->s2io_entries[i].type == MSIX_FIFO_TYPE) { sprintf(sp->desc1, "%s:MSI-X-%d-TX", @@ -3409,24 +3780,26 @@ setting_mac_address_failed: isr_registration_failed: del_timer_sync(&sp->alarm_timer); if (sp->intr_type == MSI_X) { - if (sp->device_type == XFRAME_II_DEVICE) { - for (i=1; (sp->s2io_entries[i].in_use == - MSIX_REGISTERED_SUCCESS); i++) { - int vector = sp->entries[i].vector; - void *arg = sp->s2io_entries[i].arg; + int i; + u16 msi_control; /* Temp variable */ - free_irq(vector, arg); - } - pci_disable_msix(sp->pdev); + for (i=1; (sp->s2io_entries[i].in_use == + MSIX_REGISTERED_SUCCESS); i++) { + int vector = sp->entries[i].vector; + void *arg = sp->s2io_entries[i].arg; - /* Temp */ - pci_read_config_word(sp->pdev, 0x42, &msi_control); - msi_control &= 0xFFFE; /* Disable MSI */ - pci_write_config_word(sp->pdev, 0x42, msi_control); + free_irq(vector, arg); } + pci_disable_msix(sp->pdev); + + /* Temp */ + pci_read_config_word(sp->pdev, 0x42, &msi_control); + msi_control &= 0xFFFE; /* Disable MSI */ + pci_write_config_word(sp->pdev, 0x42, msi_control); } else if (sp->intr_type == MSI) pci_disable_msi(sp->pdev); +hw_enable_failed: s2io_reset(sp); hw_init_failed: if (sp->intr_type == MSI_X) { @@ -3454,35 +3827,12 @@ hw_init_failed: static int s2io_close(struct net_device *dev) { nic_t *sp = dev->priv; - int i; - u16 msi_control; flush_scheduled_work(); netif_stop_queue(dev); /* Reset card, kill tasklet and free Tx and Rx buffers. */ - s2io_card_down(sp); - - if (sp->intr_type == MSI_X) { - if (sp->device_type == XFRAME_II_DEVICE) { - for (i=1; (sp->s2io_entries[i].in_use == - MSIX_REGISTERED_SUCCESS); i++) { - int vector = sp->entries[i].vector; - void *arg = sp->s2io_entries[i].arg; + s2io_card_down(sp, 1); - free_irq(vector, arg); - } - pci_read_config_word(sp->pdev, 0x42, &msi_control); - msi_control &= 0xFFFE; /* Disable MSI */ - pci_write_config_word(sp->pdev, 0x42, msi_control); - - pci_disable_msix(sp->pdev); - } - } - else { - free_irq(sp->pdev->irq, dev); - if (sp->intr_type == MSI) - pci_disable_msi(sp->pdev); - } sp->device_close_flag = TRUE; /* Device is shut down. */ return 0; } @@ -3545,7 +3895,8 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev) queue_len = mac_control->fifos[queue].tx_curr_put_info.fifo_len + 1; /* Avoid "put" pointer going beyond "get" pointer */ - if (txdp->Host_Control || (((put_off + 1) % queue_len) == get_off)) { + if (txdp->Host_Control || + ((put_off+1) == queue_len ? 0 : (put_off+1)) == get_off) { DBG_PRINT(TX_DBG, "Error in xmit, No free TXDs.\n"); netif_stop_queue(dev); dev_kfree_skb(skb); @@ -3655,11 +4006,13 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev) mmiowb(); put_off++; - put_off %= mac_control->fifos[queue].tx_curr_put_info.fifo_len + 1; + if (put_off == mac_control->fifos[queue].tx_curr_put_info.fifo_len + 1) + put_off = 0; mac_control->fifos[queue].tx_curr_put_info.offset = put_off; /* Avoid "put" pointer going beyond "get" pointer */ - if (((put_off + 1) % queue_len) == get_off) { + if (((put_off+1) == queue_len ? 0 : (put_off+1)) == get_off) { + sp->mac_control.stats_info->sw_stat.fifo_full_cnt++; DBG_PRINT(TX_DBG, "No free TxDs for xmit, Put: 0x%x Get:0x%x\n", put_off, get_off); @@ -3795,7 +4148,6 @@ s2io_msix_fifo_handle(int irq, void *dev_id, struct pt_regs *regs) atomic_dec(&sp->isr_cnt); return IRQ_HANDLED; } - static void s2io_txpic_intr_handle(nic_t *sp) { XENA_dev_config_t __iomem *bar0 = sp->bar0; @@ -3806,41 +4158,56 @@ static void s2io_txpic_intr_handle(nic_t *sp) val64 = readq(&bar0->gpio_int_reg); if ((val64 & GPIO_INT_REG_LINK_DOWN) && (val64 & GPIO_INT_REG_LINK_UP)) { + /* + * This is unstable state so clear both up/down + * interrupt and adapter to re-evaluate the link state. + */ val64 |= GPIO_INT_REG_LINK_DOWN; val64 |= GPIO_INT_REG_LINK_UP; writeq(val64, &bar0->gpio_int_reg); - goto masking; - } - - if (((sp->last_link_state == LINK_UP) && - (val64 & GPIO_INT_REG_LINK_DOWN)) || - ((sp->last_link_state == LINK_DOWN) && - (val64 & GPIO_INT_REG_LINK_UP))) { val64 = readq(&bar0->gpio_int_mask); - val64 |= GPIO_INT_MASK_LINK_DOWN; - val64 |= GPIO_INT_MASK_LINK_UP; + val64 &= ~(GPIO_INT_MASK_LINK_UP | + GPIO_INT_MASK_LINK_DOWN); writeq(val64, &bar0->gpio_int_mask); - s2io_set_link((unsigned long)sp); } -masking: - if (sp->last_link_state == LINK_UP) { - /*enable down interrupt */ - val64 = readq(&bar0->gpio_int_mask); - /* unmasks link down intr */ - val64 &= ~GPIO_INT_MASK_LINK_DOWN; - /* masks link up intr */ - val64 |= GPIO_INT_MASK_LINK_UP; - writeq(val64, &bar0->gpio_int_mask); - } else { - /*enable UP Interrupt */ - val64 = readq(&bar0->gpio_int_mask); - /* unmasks link up interrupt */ - val64 &= ~GPIO_INT_MASK_LINK_UP; - /* masks link down interrupt */ - val64 |= GPIO_INT_MASK_LINK_DOWN; - writeq(val64, &bar0->gpio_int_mask); + else if (val64 & GPIO_INT_REG_LINK_UP) { + val64 = readq(&bar0->adapter_status); + if (verify_xena_quiescence(sp, val64, + sp->device_enabled_once)) { + /* Enable Adapter */ + val64 = readq(&bar0->adapter_control); + val64 |= ADAPTER_CNTL_EN; + writeq(val64, &bar0->adapter_control); + val64 |= ADAPTER_LED_ON; + writeq(val64, &bar0->adapter_control); + if (!sp->device_enabled_once) + sp->device_enabled_once = 1; + + s2io_link(sp, LINK_UP); + /* + * unmask link down interrupt and mask link-up + * intr + */ + val64 = readq(&bar0->gpio_int_mask); + val64 &= ~GPIO_INT_MASK_LINK_DOWN; + val64 |= GPIO_INT_MASK_LINK_UP; + writeq(val64, &bar0->gpio_int_mask); + + } + }else if (val64 & GPIO_INT_REG_LINK_DOWN) { + val64 = readq(&bar0->adapter_status); + if (verify_xena_quiescence(sp, val64, + sp->device_enabled_once)) { + s2io_link(sp, LINK_DOWN); + /* Link is down so unmaks link up interrupt */ + val64 = readq(&bar0->gpio_int_mask); + val64 &= ~GPIO_INT_MASK_LINK_UP; + val64 |= GPIO_INT_MASK_LINK_DOWN; + writeq(val64, &bar0->gpio_int_mask); + } } } + val64 = readq(&bar0->gpio_int_mask); } /** @@ -3863,7 +4230,7 @@ static irqreturn_t s2io_isr(int irq, void *dev_id, struct pt_regs *regs) nic_t *sp = dev->priv; XENA_dev_config_t __iomem *bar0 = sp->bar0; int i; - u64 reason = 0, val64; + u64 reason = 0, val64, org_mask; mac_info_t *mac_control; struct config_param *config; @@ -3887,43 +4254,41 @@ static irqreturn_t s2io_isr(int irq, void *dev_id, struct pt_regs *regs) return IRQ_NONE; } + val64 = 0xFFFFFFFFFFFFFFFFULL; + /* Store current mask before masking all interrupts */ + org_mask = readq(&bar0->general_int_mask); + writeq(val64, &bar0->general_int_mask); + #ifdef CONFIG_S2IO_NAPI if (reason & GEN_INTR_RXTRAFFIC) { if (netif_rx_schedule_prep(dev)) { - en_dis_able_nic_intrs(sp, RX_TRAFFIC_INTR, - DISABLE_INTRS); + writeq(val64, &bar0->rx_traffic_mask); __netif_rx_schedule(dev); } } #else - /* If Intr is because of Rx Traffic */ - if (reason & GEN_INTR_RXTRAFFIC) { - /* - * rx_traffic_int reg is an R1 register, writing all 1's - * will ensure that the actual interrupt causing bit get's - * cleared and hence a read can be avoided. - */ - val64 = 0xFFFFFFFFFFFFFFFFULL; - writeq(val64, &bar0->rx_traffic_int); - for (i = 0; i < config->rx_ring_num; i++) { - rx_intr_handler(&mac_control->rings[i]); - } + /* + * Rx handler is called by default, without checking for the + * cause of interrupt. + * rx_traffic_int reg is an R1 register, writing all 1's + * will ensure that the actual interrupt causing bit get's + * cleared and hence a read can be avoided. + */ + writeq(val64, &bar0->rx_traffic_int); + for (i = 0; i < config->rx_ring_num; i++) { + rx_intr_handler(&mac_control->rings[i]); } #endif - /* If Intr is because of Tx Traffic */ - if (reason & GEN_INTR_TXTRAFFIC) { - /* - * tx_traffic_int reg is an R1 register, writing all 1's - * will ensure that the actual interrupt causing bit get's - * cleared and hence a read can be avoided. - */ - val64 = 0xFFFFFFFFFFFFFFFFULL; - writeq(val64, &bar0->tx_traffic_int); + /* + * tx_traffic_int reg is an R1 register, writing all 1's + * will ensure that the actual interrupt causing bit get's + * cleared and hence a read can be avoided. + */ + writeq(val64, &bar0->tx_traffic_int); - for (i = 0; i < config->tx_fifo_num; i++) - tx_intr_handler(&mac_control->fifos[i]); - } + for (i = 0; i < config->tx_fifo_num; i++) + tx_intr_handler(&mac_control->fifos[i]); if (reason & GEN_INTR_TXPIC) s2io_txpic_intr_handle(sp); @@ -3949,6 +4314,7 @@ static irqreturn_t s2io_isr(int irq, void *dev_id, struct pt_regs *regs) DBG_PRINT(ERR_DBG, " in ISR!!\n"); clear_bit(0, (&sp->tasklet_status)); atomic_dec(&sp->isr_cnt); + writeq(org_mask, &bar0->general_int_mask); return IRQ_HANDLED; } clear_bit(0, (&sp->tasklet_status)); @@ -3964,7 +4330,7 @@ static irqreturn_t s2io_isr(int irq, void *dev_id, struct pt_regs *regs) } } #endif - + writeq(org_mask, &bar0->general_int_mask); atomic_dec(&sp->isr_cnt); return IRQ_HANDLED; } @@ -4067,7 +4433,8 @@ static void s2io_set_multicast(struct net_device *dev) RMAC_ADDR_CMD_MEM_OFFSET(MAC_MC_ALL_MC_ADDR_OFFSET); writeq(val64, &bar0->rmac_addr_cmd_mem); /* Wait till command completes */ - wait_for_cmd_complete(sp); + wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, + RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING); sp->m_cast_flg = 1; sp->all_multi_pos = MAC_MC_ALL_MC_ADDR_OFFSET; @@ -4082,7 +4449,8 @@ static void s2io_set_multicast(struct net_device *dev) RMAC_ADDR_CMD_MEM_OFFSET(sp->all_multi_pos); writeq(val64, &bar0->rmac_addr_cmd_mem); /* Wait till command completes */ - wait_for_cmd_complete(sp); + wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, + RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING); sp->m_cast_flg = 0; sp->all_multi_pos = 0; @@ -4147,7 +4515,8 @@ static void s2io_set_multicast(struct net_device *dev) writeq(val64, &bar0->rmac_addr_cmd_mem); /* Wait for command completes */ - if (wait_for_cmd_complete(sp)) { + if (wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, + RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING)) { DBG_PRINT(ERR_DBG, "%s: Adding ", dev->name); DBG_PRINT(ERR_DBG, "Multicasts failed\n"); @@ -4177,7 +4546,8 @@ static void s2io_set_multicast(struct net_device *dev) writeq(val64, &bar0->rmac_addr_cmd_mem); /* Wait for command completes */ - if (wait_for_cmd_complete(sp)) { + if (wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, + RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING)) { DBG_PRINT(ERR_DBG, "%s: Adding ", dev->name); DBG_PRINT(ERR_DBG, "Multicasts failed\n"); @@ -4222,7 +4592,8 @@ static int s2io_set_mac_addr(struct net_device *dev, u8 * addr) RMAC_ADDR_CMD_MEM_OFFSET(0); writeq(val64, &bar0->rmac_addr_cmd_mem); /* Wait till command completes */ - if (wait_for_cmd_complete(sp)) { + if (wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, + RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING)) { DBG_PRINT(ERR_DBG, "%s: set_mac_addr failed\n", dev->name); return FAILURE; } @@ -4619,6 +4990,44 @@ static int write_eeprom(nic_t * sp, int off, u64 data, int cnt) } return ret; } +static void s2io_vpd_read(nic_t *nic) +{ + u8 vpd_data[256],data; + int i=0, cnt, fail = 0; + int vpd_addr = 0x80; + + if (nic->device_type == XFRAME_II_DEVICE) { + strcpy(nic->product_name, "Xframe II 10GbE network adapter"); + vpd_addr = 0x80; + } + else { + strcpy(nic->product_name, "Xframe I 10GbE network adapter"); + vpd_addr = 0x50; + } + + for (i = 0; i < 256; i +=4 ) { + pci_write_config_byte(nic->pdev, (vpd_addr + 2), i); + pci_read_config_byte(nic->pdev, (vpd_addr + 2), &data); + pci_write_config_byte(nic->pdev, (vpd_addr + 3), 0); + for (cnt = 0; cnt <5; cnt++) { + msleep(2); + pci_read_config_byte(nic->pdev, (vpd_addr + 3), &data); + if (data == 0x80) + break; + } + if (cnt >= 5) { + DBG_PRINT(ERR_DBG, "Read of VPD data failed\n"); + fail = 1; + break; + } + pci_read_config_dword(nic->pdev, (vpd_addr + 4), + (u32 *)&vpd_data[i]); + } + if ((!fail) && (vpd_data[1] < VPD_PRODUCT_NAME_LEN)) { + memset(nic->product_name, 0, vpd_data[1]); + memcpy(nic->product_name, &vpd_data[3], vpd_data[1]); + } +} /** * s2io_ethtool_geeprom - reads the value stored in the Eeprom. @@ -4931,8 +5340,10 @@ static int s2io_link_test(nic_t * sp, uint64_t * data) u64 val64; val64 = readq(&bar0->adapter_status); - if (val64 & ADAPTER_STATUS_RMAC_LOCAL_FAULT) + if(!(LINK_IS_UP(val64))) *data = 1; + else + *data = 0; return 0; } @@ -5112,7 +5523,6 @@ static void s2io_get_ethtool_stats(struct net_device *dev, int i = 0; nic_t *sp = dev->priv; StatInfo_t *stat_info = sp->mac_control.stats_info; - u64 tmp; s2io_updt_stats(sp); tmp_stats[i++] = @@ -5129,9 +5539,19 @@ static void s2io_get_ethtool_stats(struct net_device *dev, (u64)le32_to_cpu(stat_info->tmac_bcst_frms_oflow) << 32 | le32_to_cpu(stat_info->tmac_bcst_frms); tmp_stats[i++] = le64_to_cpu(stat_info->tmac_pause_ctrl_frms); + tmp_stats[i++] = + (u64)le32_to_cpu(stat_info->tmac_ttl_octets_oflow) << 32 | + le32_to_cpu(stat_info->tmac_ttl_octets); + tmp_stats[i++] = + (u64)le32_to_cpu(stat_info->tmac_ucst_frms_oflow) << 32 | + le32_to_cpu(stat_info->tmac_ucst_frms); + tmp_stats[i++] = + (u64)le32_to_cpu(stat_info->tmac_nucst_frms_oflow) << 32 | + le32_to_cpu(stat_info->tmac_nucst_frms); tmp_stats[i++] = (u64)le32_to_cpu(stat_info->tmac_any_err_frms_oflow) << 32 | le32_to_cpu(stat_info->tmac_any_err_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->tmac_ttl_less_fb_octets); tmp_stats[i++] = le64_to_cpu(stat_info->tmac_vld_ip_octets); tmp_stats[i++] = (u64)le32_to_cpu(stat_info->tmac_vld_ip_oflow) << 32 | @@ -5163,11 +5583,27 @@ static void s2io_get_ethtool_stats(struct net_device *dev, (u64)le32_to_cpu(stat_info->rmac_vld_bcst_frms_oflow) << 32 | le32_to_cpu(stat_info->rmac_vld_bcst_frms); tmp_stats[i++] = le32_to_cpu(stat_info->rmac_in_rng_len_err_frms); + tmp_stats[i++] = le32_to_cpu(stat_info->rmac_out_rng_len_err_frms); tmp_stats[i++] = le64_to_cpu(stat_info->rmac_long_frms); tmp_stats[i++] = le64_to_cpu(stat_info->rmac_pause_ctrl_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_unsup_ctrl_frms); + tmp_stats[i++] = + (u64)le32_to_cpu(stat_info->rmac_ttl_octets_oflow) << 32 | + le32_to_cpu(stat_info->rmac_ttl_octets); + tmp_stats[i++] = + (u64)le32_to_cpu(stat_info->rmac_accepted_ucst_frms_oflow) + << 32 | le32_to_cpu(stat_info->rmac_accepted_ucst_frms); + tmp_stats[i++] = + (u64)le32_to_cpu(stat_info->rmac_accepted_nucst_frms_oflow) + << 32 | le32_to_cpu(stat_info->rmac_accepted_nucst_frms); tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_discarded_frms_oflow) << 32 | le32_to_cpu(stat_info->rmac_discarded_frms); + tmp_stats[i++] = + (u64)le32_to_cpu(stat_info->rmac_drop_events_oflow) + << 32 | le32_to_cpu(stat_info->rmac_drop_events); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_less_fb_octets); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_frms); tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_usized_frms_oflow) << 32 | le32_to_cpu(stat_info->rmac_usized_frms); @@ -5180,40 +5616,129 @@ static void s2io_get_ethtool_stats(struct net_device *dev, tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_jabber_frms_oflow) << 32 | le32_to_cpu(stat_info->rmac_jabber_frms); - tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_ip_oflow) << 32 | + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_64_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_65_127_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_128_255_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_256_511_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_512_1023_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_1024_1518_frms); + tmp_stats[i++] = + (u64)le32_to_cpu(stat_info->rmac_ip_oflow) << 32 | le32_to_cpu(stat_info->rmac_ip); tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ip_octets); tmp_stats[i++] = le32_to_cpu(stat_info->rmac_hdr_err_ip); - tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_drop_ip_oflow) << 32 | + tmp_stats[i++] = + (u64)le32_to_cpu(stat_info->rmac_drop_ip_oflow) << 32 | le32_to_cpu(stat_info->rmac_drop_ip); - tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_icmp_oflow) << 32 | + tmp_stats[i++] = + (u64)le32_to_cpu(stat_info->rmac_icmp_oflow) << 32 | le32_to_cpu(stat_info->rmac_icmp); tmp_stats[i++] = le64_to_cpu(stat_info->rmac_tcp); - tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_udp_oflow) << 32 | + tmp_stats[i++] = + (u64)le32_to_cpu(stat_info->rmac_udp_oflow) << 32 | le32_to_cpu(stat_info->rmac_udp); tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_err_drp_udp_oflow) << 32 | le32_to_cpu(stat_info->rmac_err_drp_udp); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_xgmii_err_sym); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q0); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q1); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q2); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q3); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q4); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q5); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q6); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q7); + tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q0); + tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q1); + tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q2); + tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q3); + tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q4); + tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q5); + tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q6); + tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q7); tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_pause_cnt_oflow) << 32 | le32_to_cpu(stat_info->rmac_pause_cnt); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_xgmii_data_err_cnt); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_xgmii_ctrl_err_cnt); tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_accepted_ip_oflow) << 32 | le32_to_cpu(stat_info->rmac_accepted_ip); tmp_stats[i++] = le32_to_cpu(stat_info->rmac_err_tcp); + tmp_stats[i++] = le32_to_cpu(stat_info->rd_req_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->new_rd_req_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->new_rd_req_rtry_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->rd_rtry_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->wr_rtry_rd_ack_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->wr_req_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->new_wr_req_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->new_wr_req_rtry_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->wr_rtry_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->wr_disc_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->rd_rtry_wr_ack_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->txp_wr_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->txd_rd_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->txd_wr_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->rxd_rd_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->rxd_wr_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->txf_rd_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->rxf_wr_cnt); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_1519_4095_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_4096_8191_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_8192_max_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_gt_max_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_osized_alt_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_jabber_alt_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_gt_max_alt_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_vlan_frms); + tmp_stats[i++] = le32_to_cpu(stat_info->rmac_len_discard); + tmp_stats[i++] = le32_to_cpu(stat_info->rmac_fcs_discard); + tmp_stats[i++] = le32_to_cpu(stat_info->rmac_pf_discard); + tmp_stats[i++] = le32_to_cpu(stat_info->rmac_da_discard); + tmp_stats[i++] = le32_to_cpu(stat_info->rmac_red_discard); + tmp_stats[i++] = le32_to_cpu(stat_info->rmac_rts_discard); + tmp_stats[i++] = le32_to_cpu(stat_info->rmac_ingm_full_discard); + tmp_stats[i++] = le32_to_cpu(stat_info->link_fault_cnt); tmp_stats[i++] = 0; tmp_stats[i++] = stat_info->sw_stat.single_ecc_errs; tmp_stats[i++] = stat_info->sw_stat.double_ecc_errs; + tmp_stats[i++] = stat_info->sw_stat.parity_err_cnt; + tmp_stats[i++] = stat_info->sw_stat.serious_err_cnt; + tmp_stats[i++] = stat_info->sw_stat.soft_reset_cnt; + tmp_stats[i++] = stat_info->sw_stat.fifo_full_cnt; + tmp_stats[i++] = stat_info->sw_stat.ring_full_cnt; + tmp_stats[i++] = stat_info->xpak_stat.alarm_transceiver_temp_high; + tmp_stats[i++] = stat_info->xpak_stat.alarm_transceiver_temp_low; + tmp_stats[i++] = stat_info->xpak_stat.alarm_laser_bias_current_high; + tmp_stats[i++] = stat_info->xpak_stat.alarm_laser_bias_current_low; + tmp_stats[i++] = stat_info->xpak_stat.alarm_laser_output_power_high; + tmp_stats[i++] = stat_info->xpak_stat.alarm_laser_output_power_low; + tmp_stats[i++] = stat_info->xpak_stat.warn_transceiver_temp_high; + tmp_stats[i++] = stat_info->xpak_stat.warn_transceiver_temp_low; + tmp_stats[i++] = stat_info->xpak_stat.warn_laser_bias_current_high; + tmp_stats[i++] = stat_info->xpak_stat.warn_laser_bias_current_low; + tmp_stats[i++] = stat_info->xpak_stat.warn_laser_output_power_high; + tmp_stats[i++] = stat_info->xpak_stat.warn_laser_output_power_low; tmp_stats[i++] = stat_info->sw_stat.clubbed_frms_cnt; tmp_stats[i++] = stat_info->sw_stat.sending_both; tmp_stats[i++] = stat_info->sw_stat.outof_sequence_pkts; tmp_stats[i++] = stat_info->sw_stat.flush_max_pkts; - tmp = 0; if (stat_info->sw_stat.num_aggregations) { - tmp = stat_info->sw_stat.sum_avg_pkts_aggregated; - do_div(tmp, stat_info->sw_stat.num_aggregations); + u64 tmp = stat_info->sw_stat.sum_avg_pkts_aggregated; + int count = 0; + /* + * Since 64-bit divide does not work on all platforms, + * do repeated subtraction. + */ + while (tmp >= stat_info->sw_stat.num_aggregations) { + tmp -= stat_info->sw_stat.num_aggregations; + count++; + } + tmp_stats[i++] = count; } - tmp_stats[i++] = tmp; + else + tmp_stats[i++] = 0; } static int s2io_ethtool_get_regs_len(struct net_device *dev) @@ -5351,7 +5876,7 @@ static int s2io_change_mtu(struct net_device *dev, int new_mtu) dev->mtu = new_mtu; if (netif_running(dev)) { - s2io_card_down(sp); + s2io_card_down(sp, 0); netif_stop_queue(dev); if (s2io_card_up(sp)) { DBG_PRINT(ERR_DBG, "%s: Device bring up failed\n", @@ -5489,12 +6014,172 @@ static void s2io_set_link(unsigned long data) clear_bit(0, &(nic->link_state)); } -static void s2io_card_down(nic_t * sp) +static int set_rxd_buffer_pointer(nic_t *sp, RxD_t *rxdp, buffAdd_t *ba, + struct sk_buff **skb, u64 *temp0, u64 *temp1, + u64 *temp2, int size) +{ + struct net_device *dev = sp->dev; + struct sk_buff *frag_list; + + if ((sp->rxd_mode == RXD_MODE_1) && (rxdp->Host_Control == 0)) { + /* allocate skb */ + if (*skb) { + DBG_PRINT(INFO_DBG, "SKB is not NULL\n"); + /* + * As Rx frame are not going to be processed, + * using same mapped address for the Rxd + * buffer pointer + */ + ((RxD1_t*)rxdp)->Buffer0_ptr = *temp0; + } else { + *skb = dev_alloc_skb(size); + if (!(*skb)) { + DBG_PRINT(ERR_DBG, "%s: Out of ", dev->name); + DBG_PRINT(ERR_DBG, "memory to allocate SKBs\n"); + return -ENOMEM ; + } + /* storing the mapped addr in a temp variable + * such it will be used for next rxd whose + * Host Control is NULL + */ + ((RxD1_t*)rxdp)->Buffer0_ptr = *temp0 = + pci_map_single( sp->pdev, (*skb)->data, + size - NET_IP_ALIGN, + PCI_DMA_FROMDEVICE); + rxdp->Host_Control = (unsigned long) (*skb); + } + } else if ((sp->rxd_mode == RXD_MODE_3B) && (rxdp->Host_Control == 0)) { + /* Two buffer Mode */ + if (*skb) { + ((RxD3_t*)rxdp)->Buffer2_ptr = *temp2; + ((RxD3_t*)rxdp)->Buffer0_ptr = *temp0; + ((RxD3_t*)rxdp)->Buffer1_ptr = *temp1; + } else { + *skb = dev_alloc_skb(size); + ((RxD3_t*)rxdp)->Buffer2_ptr = *temp2 = + pci_map_single(sp->pdev, (*skb)->data, + dev->mtu + 4, + PCI_DMA_FROMDEVICE); + ((RxD3_t*)rxdp)->Buffer0_ptr = *temp0 = + pci_map_single( sp->pdev, ba->ba_0, BUF0_LEN, + PCI_DMA_FROMDEVICE); + rxdp->Host_Control = (unsigned long) (*skb); + + /* Buffer-1 will be dummy buffer not used */ + ((RxD3_t*)rxdp)->Buffer1_ptr = *temp1 = + pci_map_single(sp->pdev, ba->ba_1, BUF1_LEN, + PCI_DMA_FROMDEVICE); + } + } else if ((rxdp->Host_Control == 0)) { + /* Three buffer mode */ + if (*skb) { + ((RxD3_t*)rxdp)->Buffer0_ptr = *temp0; + ((RxD3_t*)rxdp)->Buffer1_ptr = *temp1; + ((RxD3_t*)rxdp)->Buffer2_ptr = *temp2; + } else { + *skb = dev_alloc_skb(size); + + ((RxD3_t*)rxdp)->Buffer0_ptr = *temp0 = + pci_map_single(sp->pdev, ba->ba_0, BUF0_LEN, + PCI_DMA_FROMDEVICE); + /* Buffer-1 receives L3/L4 headers */ + ((RxD3_t*)rxdp)->Buffer1_ptr = *temp1 = + pci_map_single( sp->pdev, (*skb)->data, + l3l4hdr_size + 4, + PCI_DMA_FROMDEVICE); + /* + * skb_shinfo(skb)->frag_list will have L4 + * data payload + */ + skb_shinfo(*skb)->frag_list = dev_alloc_skb(dev->mtu + + ALIGN_SIZE); + if (skb_shinfo(*skb)->frag_list == NULL) { + DBG_PRINT(ERR_DBG, "%s: dev_alloc_skb \ + failed\n ", dev->name); + return -ENOMEM ; + } + frag_list = skb_shinfo(*skb)->frag_list; + frag_list->next = NULL; + /* + * Buffer-2 receives L4 data payload + */ + ((RxD3_t*)rxdp)->Buffer2_ptr = *temp2 = + pci_map_single( sp->pdev, frag_list->data, + dev->mtu, PCI_DMA_FROMDEVICE); + } + } + return 0; +} +static void set_rxd_buffer_size(nic_t *sp, RxD_t *rxdp, int size) +{ + struct net_device *dev = sp->dev; + if (sp->rxd_mode == RXD_MODE_1) { + rxdp->Control_2 = SET_BUFFER0_SIZE_1( size - NET_IP_ALIGN); + } else if (sp->rxd_mode == RXD_MODE_3B) { + rxdp->Control_2 = SET_BUFFER0_SIZE_3(BUF0_LEN); + rxdp->Control_2 |= SET_BUFFER1_SIZE_3(1); + rxdp->Control_2 |= SET_BUFFER2_SIZE_3( dev->mtu + 4); + } else { + rxdp->Control_2 = SET_BUFFER0_SIZE_3(BUF0_LEN); + rxdp->Control_2 |= SET_BUFFER1_SIZE_3(l3l4hdr_size + 4); + rxdp->Control_2 |= SET_BUFFER2_SIZE_3(dev->mtu); + } +} + +static int rxd_owner_bit_reset(nic_t *sp) +{ + int i, j, k, blk_cnt = 0, size; + mac_info_t * mac_control = &sp->mac_control; + struct config_param *config = &sp->config; + struct net_device *dev = sp->dev; + RxD_t *rxdp = NULL; + struct sk_buff *skb = NULL; + buffAdd_t *ba = NULL; + u64 temp0_64 = 0, temp1_64 = 0, temp2_64 = 0; + + /* Calculate the size based on ring mode */ + size = dev->mtu + HEADER_ETHERNET_II_802_3_SIZE + + HEADER_802_2_SIZE + HEADER_SNAP_SIZE; + if (sp->rxd_mode == RXD_MODE_1) + size += NET_IP_ALIGN; + else if (sp->rxd_mode == RXD_MODE_3B) + size = dev->mtu + ALIGN_SIZE + BUF0_LEN + 4; + else + size = l3l4hdr_size + ALIGN_SIZE + BUF0_LEN + 4; + + for (i = 0; i < config->rx_ring_num; i++) { + blk_cnt = config->rx_cfg[i].num_rxd / + (rxd_count[sp->rxd_mode] +1); + + for (j = 0; j < blk_cnt; j++) { + for (k = 0; k < rxd_count[sp->rxd_mode]; k++) { + rxdp = mac_control->rings[i]. + rx_blocks[j].rxds[k].virt_addr; + if(sp->rxd_mode >= RXD_MODE_3A) + ba = &mac_control->rings[i].ba[j][k]; + set_rxd_buffer_pointer(sp, rxdp, ba, + &skb,(u64 *)&temp0_64, + (u64 *)&temp1_64, + (u64 *)&temp2_64, size); + + set_rxd_buffer_size(sp, rxdp, size); + wmb(); + /* flip the Ownership bit to Hardware */ + rxdp->Control_1 |= RXD_OWN_XENA; + } + } + } + return 0; + +} + +static void s2io_card_down(nic_t * sp, int flag) { int cnt = 0; XENA_dev_config_t __iomem *bar0 = sp->bar0; unsigned long flags; register u64 val64 = 0; + struct net_device *dev = sp->dev; del_timer_sync(&sp->alarm_timer); /* If s2io_set_link task is executing, wait till it completes. */ @@ -5505,12 +6190,51 @@ static void s2io_card_down(nic_t * sp) /* disable Tx and Rx traffic on the NIC */ stop_nic(sp); + if (flag) { + if (sp->intr_type == MSI_X) { + int i; + u16 msi_control; + + for (i=1; (sp->s2io_entries[i].in_use == + MSIX_REGISTERED_SUCCESS); i++) { + int vector = sp->entries[i].vector; + void *arg = sp->s2io_entries[i].arg; + + free_irq(vector, arg); + } + pci_read_config_word(sp->pdev, 0x42, &msi_control); + msi_control &= 0xFFFE; /* Disable MSI */ + pci_write_config_word(sp->pdev, 0x42, msi_control); + pci_disable_msix(sp->pdev); + } else { + free_irq(sp->pdev->irq, dev); + if (sp->intr_type == MSI) + pci_disable_msi(sp->pdev); + } + } + /* Waiting till all Interrupt handlers are complete */ + cnt = 0; + do { + msleep(10); + if (!atomic_read(&sp->isr_cnt)) + break; + cnt++; + } while(cnt < 5); /* Kill tasklet. */ tasklet_kill(&sp->task); /* Check if the device is Quiescent and then Reset the NIC */ do { + /* As per the HW requirement we need to replenish the + * receive buffer to avoid the ring bump. Since there is + * no intention of processing the Rx frame at this pointwe are + * just settting the ownership bit of rxd in Each Rx + * ring to HW and set the appropriate buffer size + * based on the ring mode + */ + rxd_owner_bit_reset(sp); + val64 = readq(&bar0->adapter_status); if (verify_xena_quiescence(sp, val64, sp->device_enabled_once)) { break; @@ -5528,15 +6252,6 @@ static void s2io_card_down(nic_t * sp) } while (1); s2io_reset(sp); - /* Waiting till all Interrupt handlers are complete */ - cnt = 0; - do { - msleep(10); - if (!atomic_read(&sp->isr_cnt)) - break; - cnt++; - } while(cnt < 5); - spin_lock_irqsave(&sp->tx_lock, flags); /* Free all Tx buffers */ free_tx_buffers(sp); @@ -5637,7 +6352,7 @@ static void s2io_restart_nic(unsigned long data) struct net_device *dev = (struct net_device *) data; nic_t *sp = dev->priv; - s2io_card_down(sp); + s2io_card_down(sp, 0); if (s2io_card_up(sp)) { DBG_PRINT(ERR_DBG, "%s: Device bring up failed\n", dev->name); @@ -5667,6 +6382,7 @@ static void s2io_tx_watchdog(struct net_device *dev) if (netif_carrier_ok(dev)) { schedule_work(&sp->rst_timer_task); + sp->mac_control.stats_info->sw_stat.soft_reset_cnt++; } } @@ -5695,18 +6411,33 @@ static int rx_osm_handler(ring_info_t *ring_data, RxD_t * rxdp) ((unsigned long) rxdp->Host_Control); int ring_no = ring_data->ring_no; u16 l3_csum, l4_csum; + unsigned long long err = rxdp->Control_1 & RXD_T_CODE; lro_t *lro; skb->dev = dev; - if (rxdp->Control_1 & RXD_T_CODE) { - unsigned long long err = rxdp->Control_1 & RXD_T_CODE; - DBG_PRINT(ERR_DBG, "%s: Rx error Value: 0x%llx\n", - dev->name, err); - dev_kfree_skb(skb); - sp->stats.rx_crc_errors++; - atomic_dec(&sp->rx_bufs_left[ring_no]); - rxdp->Host_Control = 0; - return 0; + + if (err) { + /* Check for parity error */ + if (err & 0x1) { + sp->mac_control.stats_info->sw_stat.parity_err_cnt++; + } + + /* + * Drop the packet if bad transfer code. Exception being + * 0x5, which could be due to unsupported IPv6 extension header. + * In this case, we let stack handle the packet. + * Note that in this case, since checksum will be incorrect, + * stack will validate the same. + */ + if (err && ((err >> 48) != 0x5)) { + DBG_PRINT(ERR_DBG, "%s: Rx error Value: 0x%llx\n", + dev->name, err); + sp->stats.rx_crc_errors++; + dev_kfree_skb(skb); + atomic_dec(&sp->rx_bufs_left[ring_no]); + rxdp->Host_Control = 0; + return 0; + } } /* Updating statistics */ @@ -5792,6 +6523,9 @@ static int rx_osm_handler(ring_info_t *ring_data, RxD_t * rxdp) clear_lro_session(lro); goto send_up; case 0: /* sessions exceeded */ + case -1: /* non-TCP or not + * L2 aggregatable + */ case 5: /* * First pkt in session not * L3/L4 aggregatable @@ -5918,13 +6652,6 @@ static void s2io_init_pci(nic_t * sp) pci_write_config_word(sp->pdev, PCI_COMMAND, (pci_cmd | PCI_COMMAND_PARITY)); pci_read_config_word(sp->pdev, PCI_COMMAND, &pci_cmd); - - /* Forcibly disabling relaxed ordering capability of the card. */ - pcix_cmd &= 0xfffd; - pci_write_config_word(sp->pdev, PCIX_COMMAND_REGISTER, - pcix_cmd); - pci_read_config_word(sp->pdev, PCIX_COMMAND_REGISTER, - &(pcix_cmd)); } MODULE_AUTHOR("Raghavendra Koushik <raghavendra.koushik@neterion.com>"); @@ -5954,6 +6681,55 @@ module_param(intr_type, int, 0); module_param(lro, int, 0); module_param(lro_max_pkts, int, 0); +static int s2io_verify_parm(struct pci_dev *pdev, u8 *dev_intr_type) +{ + if ( tx_fifo_num > 8) { + DBG_PRINT(ERR_DBG, "s2io: Requested number of Tx fifos not " + "supported\n"); + DBG_PRINT(ERR_DBG, "s2io: Default to 8 Tx fifos\n"); + tx_fifo_num = 8; + } + if ( rx_ring_num > 8) { + DBG_PRINT(ERR_DBG, "s2io: Requested number of Rx rings not " + "supported\n"); + DBG_PRINT(ERR_DBG, "s2io: Default to 8 Rx rings\n"); + rx_ring_num = 8; + } +#ifdef CONFIG_S2IO_NAPI + if (*dev_intr_type != INTA) { + DBG_PRINT(ERR_DBG, "s2io: NAPI cannot be enabled when " + "MSI/MSI-X is enabled. Defaulting to INTA\n"); + *dev_intr_type = INTA; + } +#endif +#ifndef CONFIG_PCI_MSI + if (*dev_intr_type != INTA) { + DBG_PRINT(ERR_DBG, "s2io: This kernel does not support" + "MSI/MSI-X. Defaulting to INTA\n"); + *dev_intr_type = INTA; + } +#else + if (*dev_intr_type > MSI_X) { + DBG_PRINT(ERR_DBG, "s2io: Wrong intr_type requested. " + "Defaulting to INTA\n"); + *dev_intr_type = INTA; + } +#endif + if ((*dev_intr_type == MSI_X) && + ((pdev->device != PCI_DEVICE_ID_HERC_WIN) && + (pdev->device != PCI_DEVICE_ID_HERC_UNI))) { + DBG_PRINT(ERR_DBG, "s2io: Xframe I does not support MSI_X. " + "Defaulting to INTA\n"); + *dev_intr_type = INTA; + } + if (rx_ring_mode > 3) { + DBG_PRINT(ERR_DBG, "s2io: Requested ring mode not supported\n"); + DBG_PRINT(ERR_DBG, "s2io: Defaulting to 3-buffer mode\n"); + rx_ring_mode = 3; + } + return SUCCESS; +} + /** * s2io_init_nic - Initialization of the adapter . * @pdev : structure containing the PCI related information of the device. @@ -5984,15 +6760,8 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) int mode; u8 dev_intr_type = intr_type; -#ifdef CONFIG_S2IO_NAPI - if (dev_intr_type != INTA) { - DBG_PRINT(ERR_DBG, "NAPI cannot be enabled when MSI/MSI-X \ -is enabled. Defaulting to INTA\n"); - dev_intr_type = INTA; - } - else - DBG_PRINT(ERR_DBG, "NAPI support has been enabled\n"); -#endif + if ((ret = s2io_verify_parm(pdev, &dev_intr_type))) + return ret; if ((ret = pci_enable_device(pdev))) { DBG_PRINT(ERR_DBG, @@ -6017,14 +6786,6 @@ is enabled. Defaulting to INTA\n"); pci_disable_device(pdev); return -ENOMEM; } - - if ((dev_intr_type == MSI_X) && - ((pdev->device != PCI_DEVICE_ID_HERC_WIN) && - (pdev->device != PCI_DEVICE_ID_HERC_UNI))) { - DBG_PRINT(ERR_DBG, "Xframe I does not support MSI_X. \ -Defaulting to INTA\n"); - dev_intr_type = INTA; - } if (dev_intr_type != MSI_X) { if (pci_request_regions(pdev, s2io_driver_name)) { DBG_PRINT(ERR_DBG, "Request Regions failed\n"), @@ -6100,8 +6861,6 @@ Defaulting to INTA\n"); config = &sp->config; /* Tx side parameters. */ - if (tx_fifo_len[0] == 0) - tx_fifo_len[0] = DEFAULT_FIFO_LEN; /* Default value. */ config->tx_fifo_num = tx_fifo_num; for (i = 0; i < MAX_TX_FIFOS; i++) { config->tx_cfg[i].fifo_len = tx_fifo_len[i]; @@ -6125,8 +6884,6 @@ Defaulting to INTA\n"); config->max_txds = MAX_SKB_FRAGS + 2; /* Rx side parameters. */ - if (rx_ring_sz[0] == 0) - rx_ring_sz[0] = SMALL_BLK_CNT; /* Default value. */ config->rx_ring_num = rx_ring_num; for (i = 0; i < MAX_RX_RINGS; i++) { config->rx_cfg[i].num_rxd = rx_ring_sz[i] * @@ -6267,8 +7024,8 @@ Defaulting to INTA\n"); val64 = RMAC_ADDR_CMD_MEM_RD | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD | RMAC_ADDR_CMD_MEM_OFFSET(0 + MAC_MAC_ADDR_START_OFFSET); writeq(val64, &bar0->rmac_addr_cmd_mem); - wait_for_cmd_complete(sp); - + wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, + RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING); tmp64 = readq(&bar0->rmac_addr_data0_mem); mac_down = (u32) tmp64; mac_up = (u32) (tmp64 >> 32); @@ -6322,82 +7079,63 @@ Defaulting to INTA\n"); ret = -ENODEV; goto register_failed; } - - if (sp->device_type & XFRAME_II_DEVICE) { - DBG_PRINT(ERR_DBG, "%s: Neterion Xframe II 10GbE adapter ", - dev->name); - DBG_PRINT(ERR_DBG, "(rev %d), Version %s", + s2io_vpd_read(sp); + DBG_PRINT(ERR_DBG, "%s: Neterion %s",dev->name, sp->product_name); + DBG_PRINT(ERR_DBG, "(rev %d), Driver version %s\n", get_xena_rev_id(sp->pdev), s2io_driver_version); - switch(sp->intr_type) { - case INTA: - DBG_PRINT(ERR_DBG, ", Intr type INTA"); - break; - case MSI: - DBG_PRINT(ERR_DBG, ", Intr type MSI"); - break; - case MSI_X: - DBG_PRINT(ERR_DBG, ", Intr type MSI-X"); - break; - } - - DBG_PRINT(ERR_DBG, "\nCopyright(c) 2002-2005 Neterion Inc.\n"); - DBG_PRINT(ERR_DBG, "MAC ADDR: %02x:%02x:%02x:%02x:%02x:%02x\n", + DBG_PRINT(ERR_DBG, "Copyright(c) 2002-2005 Neterion Inc.\n"); + DBG_PRINT(ERR_DBG, "%s: MAC ADDR: " + "%02x:%02x:%02x:%02x:%02x:%02x\n", dev->name, sp->def_mac_addr[0].mac_addr[0], sp->def_mac_addr[0].mac_addr[1], sp->def_mac_addr[0].mac_addr[2], sp->def_mac_addr[0].mac_addr[3], sp->def_mac_addr[0].mac_addr[4], sp->def_mac_addr[0].mac_addr[5]); + if (sp->device_type & XFRAME_II_DEVICE) { mode = s2io_print_pci_mode(sp); if (mode < 0) { - DBG_PRINT(ERR_DBG, " Unsupported PCI bus mode "); + DBG_PRINT(ERR_DBG, " Unsupported PCI bus mode\n"); ret = -EBADSLT; + unregister_netdev(dev); goto set_swap_failed; } - } else { - DBG_PRINT(ERR_DBG, "%s: Neterion Xframe I 10GbE adapter ", - dev->name); - DBG_PRINT(ERR_DBG, "(rev %d), Version %s", - get_xena_rev_id(sp->pdev), - s2io_driver_version); - switch(sp->intr_type) { - case INTA: - DBG_PRINT(ERR_DBG, ", Intr type INTA"); - break; - case MSI: - DBG_PRINT(ERR_DBG, ", Intr type MSI"); - break; - case MSI_X: - DBG_PRINT(ERR_DBG, ", Intr type MSI-X"); - break; - } - DBG_PRINT(ERR_DBG, "\nCopyright(c) 2002-2005 Neterion Inc.\n"); - DBG_PRINT(ERR_DBG, "MAC ADDR: %02x:%02x:%02x:%02x:%02x:%02x\n", - sp->def_mac_addr[0].mac_addr[0], - sp->def_mac_addr[0].mac_addr[1], - sp->def_mac_addr[0].mac_addr[2], - sp->def_mac_addr[0].mac_addr[3], - sp->def_mac_addr[0].mac_addr[4], - sp->def_mac_addr[0].mac_addr[5]); } - if (sp->rxd_mode == RXD_MODE_3B) - DBG_PRINT(ERR_DBG, "%s: 2-Buffer mode support has been " - "enabled\n",dev->name); - if (sp->rxd_mode == RXD_MODE_3A) - DBG_PRINT(ERR_DBG, "%s: 3-Buffer mode support has been " - "enabled\n",dev->name); - + switch(sp->rxd_mode) { + case RXD_MODE_1: + DBG_PRINT(ERR_DBG, "%s: 1-Buffer receive mode enabled\n", + dev->name); + break; + case RXD_MODE_3B: + DBG_PRINT(ERR_DBG, "%s: 2-Buffer receive mode enabled\n", + dev->name); + break; + case RXD_MODE_3A: + DBG_PRINT(ERR_DBG, "%s: 3-Buffer receive mode enabled\n", + dev->name); + break; + } +#ifdef CONFIG_S2IO_NAPI + DBG_PRINT(ERR_DBG, "%s: NAPI enabled\n", dev->name); +#endif + switch(sp->intr_type) { + case INTA: + DBG_PRINT(ERR_DBG, "%s: Interrupt type INTA\n", dev->name); + break; + case MSI: + DBG_PRINT(ERR_DBG, "%s: Interrupt type MSI\n", dev->name); + break; + case MSI_X: + DBG_PRINT(ERR_DBG, "%s: Interrupt type MSI-X\n", dev->name); + break; + } if (sp->lro) DBG_PRINT(ERR_DBG, "%s: Large receive offload enabled\n", - dev->name); + dev->name); /* Initialize device name */ - strcpy(sp->name, dev->name); - if (sp->device_type & XFRAME_II_DEVICE) - strcat(sp->name, ": Neterion Xframe II 10GbE adapter"); - else - strcat(sp->name, ": Neterion Xframe I 10GbE adapter"); + sprintf(sp->name, "%s Neterion %s", dev->name, sp->product_name); /* Initialize bimodal Interrupts */ sp->config.bimodal = bimodal; |