Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

1 files changed, 514 insertions, 0 deletions

diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
new file mode 100644
index 00000000000..d2499bb07c1
--- /dev/null
+++ b/drivers/net/e1000e/e1000.h
@@ -0,0 +1,514 @@
+/*******************************************************************************
+
+  Intel PRO/1000 Linux driver
+  Copyright(c) 1999 - 2007 Intel Corporation.
+
+  This program is free software; you can redistribute it and/or modify it
+  under the terms and conditions of the GNU General Public License,
+  version 2, as published by the Free Software Foundation.
+
+  This program is distributed in the hope it will be useful, but WITHOUT
+  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+  more details.
+
+  You should have received a copy of the GNU General Public License along with
+  this program; if not, write to the Free Software Foundation, Inc.,
+  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+
+  The full GNU General Public License is included in this distribution in
+  the file called "COPYING".
+
+  Contact Information:
+  Linux NICS <linux.nics@intel.com>
+  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+/* Linux PRO/1000 Ethernet Driver main header file */
+
+#ifndef _E1000_H_
+#define _E1000_H_
+
+#include <linux/types.h>
+#include <linux/timer.h>
+#include <linux/workqueue.h>
+#include <linux/io.h>
+#include <linux/netdevice.h>
+
+#include "hw.h"
+
+struct e1000_info;
+
+#define ndev_printk(level, netdev, format, arg...) \
+	printk(level "%s: %s: " format, (netdev)->dev.parent->bus_id, \
+	       (netdev)->name, ## arg)
+
+#ifdef DEBUG
+#define ndev_dbg(netdev, format, arg...) \
+	ndev_printk(KERN_DEBUG , netdev, format, ## arg)
+#else
+#define ndev_dbg(netdev, format, arg...) do { (void)(netdev); } while (0)
+#endif
+
+#define ndev_err(netdev, format, arg...) \
+	ndev_printk(KERN_ERR , netdev, format, ## arg)
+#define ndev_info(netdev, format, arg...) \
+	ndev_printk(KERN_INFO , netdev, format, ## arg)
+#define ndev_warn(netdev, format, arg...) \
+	ndev_printk(KERN_WARNING , netdev, format, ## arg)
+#define ndev_notice(netdev, format, arg...) \
+	ndev_printk(KERN_NOTICE , netdev, format, ## arg)
+
+
+/* TX/RX descriptor defines */
+#define E1000_DEFAULT_TXD		256
+#define E1000_MAX_TXD			4096
+#define E1000_MIN_TXD			80
+
+#define E1000_DEFAULT_RXD		256
+#define E1000_MAX_RXD			4096
+#define E1000_MIN_RXD			80
+
+/* Early Receive defines */
+#define E1000_ERT_2048			0x100
+
+#define E1000_FC_PAUSE_TIME		0x0680 /* 858 usec */
+
+/* How many Tx Descriptors do we need to call netif_wake_queue ? */
+/* How many Rx Buffers do we bundle into one write to the hardware ? */
+#define E1000_RX_BUFFER_WRITE		16 /* Must be power of 2 */
+
+#define AUTO_ALL_MODES			0
+#define E1000_EEPROM_APME		0x0400
+
+#define E1000_MNG_VLAN_NONE		(-1)
+
+/* Number of packet split data buffers (not including the header buffer) */
+#define PS_PAGE_BUFFERS			(MAX_PS_BUFFERS - 1)
+
+enum e1000_boards {
+	board_82571,
+	board_82572,
+	board_82573,
+	board_80003es2lan,
+	board_ich8lan,
+	board_ich9lan,
+};
+
+struct e1000_queue_stats {
+	u64 packets;
+	u64 bytes;
+};
+
+struct e1000_ps_page {
+	struct page *page;
+	u64 dma; /* must be u64 - written to hw */
+};
+
+/*
+ * wrappers around a pointer to a socket buffer,
+ * so a DMA handle can be stored along with the buffer
+ */
+struct e1000_buffer {
+	dma_addr_t dma;
+	struct sk_buff *skb;
+	union {
+		/* TX */
+		struct {
+			unsigned long time_stamp;
+			u16 length;
+			u16 next_to_watch;
+		};
+		/* RX */
+		struct page *page;
+	};
+
+};
+
+struct e1000_ring {
+	void *desc;			/* pointer to ring memory  */
+	dma_addr_t dma;			/* phys address of ring    */
+	unsigned int size;		/* length of ring in bytes */
+	unsigned int count;		/* number of desc. in ring */
+
+	u16 next_to_use;
+	u16 next_to_clean;
+
+	u16 head;
+	u16 tail;
+
+	/* array of buffer information structs */
+	struct e1000_buffer *buffer_info;
+
+	/* arrays of page information for packet split */
+	struct e1000_ps_page *ps_pages;
+	struct sk_buff *rx_skb_top;
+
+	struct e1000_queue_stats stats;
+};
+
+/* board specific private data structure */
+struct e1000_adapter {
+	struct timer_list watchdog_timer;
+	struct timer_list phy_info_timer;
+	struct timer_list blink_timer;
+
+	struct work_struct reset_task;
+	struct work_struct watchdog_task;
+
+	const struct e1000_info *ei;
+
+	struct vlan_group *vlgrp;
+	u32 bd_number;
+	u32 rx_buffer_len;
+	u16 mng_vlan_id;
+	u16 link_speed;
+	u16 link_duplex;
+
+	spinlock_t tx_queue_lock; /* prevent concurrent tail updates */
+
+	/* this is still needed for 82571 and above */
+	atomic_t irq_sem;
+
+	/* track device up/down/testing state */
+	unsigned long state;
+
+	/* Interrupt Throttle Rate */
+	u32 itr;
+	u32 itr_setting;
+	u16 tx_itr;
+	u16 rx_itr;
+
+	/*
+	 * TX
+	 */
+	struct e1000_ring *tx_ring /* One per active queue */
+						____cacheline_aligned_in_smp;
+
+	struct napi_struct napi;
+
+	unsigned long tx_queue_len;
+	unsigned int restart_queue;
+	u32 txd_cmd;
+
+	bool detect_tx_hung;
+	u8 tx_timeout_factor;
+
+	u32 tx_int_delay;
+	u32 tx_abs_int_delay;
+
+	unsigned int total_tx_bytes;
+	unsigned int total_tx_packets;
+	unsigned int total_rx_bytes;
+	unsigned int total_rx_packets;
+
+	/* TX stats */
+	u64 tpt_old;
+	u64 colc_old;
+	u64 gotcl_old;
+	u32 gotcl;
+	u32 tx_timeout_count;
+	u32 tx_fifo_head;
+	u32 tx_head_addr;
+	u32 tx_fifo_size;
+	u32 tx_dma_failed;
+
+	/*
+	 * RX
+	 */
+	bool (*clean_rx) (struct e1000_adapter *adapter,
+			  int *work_done, int work_to_do)
+						____cacheline_aligned_in_smp;
+	void (*alloc_rx_buf) (struct e1000_adapter *adapter,
+			      int cleaned_count);
+	struct e1000_ring *rx_ring;
+
+	u32 rx_int_delay;
+	u32 rx_abs_int_delay;
+
+	/* RX stats */
+	u64 hw_csum_err;
+	u64 hw_csum_good;
+	u64 rx_hdr_split;
+	u64 gorcl_old;
+	u32 gorcl;
+	u32 alloc_rx_buff_failed;
+	u32 rx_dma_failed;
+
+	unsigned int rx_ps_pages;
+	u16 rx_ps_bsize0;
+
+	/* OS defined structs */
+	struct net_device *netdev;
+	struct pci_dev *pdev;
+	struct net_device_stats net_stats;
+	spinlock_t stats_lock;      /* prevent concurrent stats updates */
+
+	/* structs defined in e1000_hw.h */
+	struct e1000_hw hw;
+
+	struct e1000_hw_stats stats;
+	struct e1000_phy_info phy_info;
+	struct e1000_phy_stats phy_stats;
+
+	struct e1000_ring test_tx_ring;
+	struct e1000_ring test_rx_ring;
+	u32 test_icr;
+
+	u32 msg_enable;
+
+	u32 eeprom_wol;
+	u32 wol;
+	u32 pba;
+
+	u8 fc_autoneg;
+
+	unsigned long led_status;
+
+	unsigned int flags;
+};
+
+struct e1000_info {
+	enum e1000_mac_type	mac;
+	unsigned int		flags;
+	u32			pba;
+	s32			(*get_invariants)(struct e1000_adapter *);
+	struct e1000_mac_operations *mac_ops;
+	struct e1000_phy_operations *phy_ops;
+	struct e1000_nvm_operations *nvm_ops;
+};
+
+/* hardware capability, feature, and workaround flags */
+#define FLAG_HAS_AMT                      (1 << 0)
+#define FLAG_HAS_FLASH                    (1 << 1)
+#define FLAG_HAS_HW_VLAN_FILTER           (1 << 2)
+#define FLAG_HAS_WOL                      (1 << 3)
+#define FLAG_HAS_ERT                      (1 << 4)
+#define FLAG_HAS_CTRLEXT_ON_LOAD          (1 << 5)
+#define FLAG_HAS_SWSM_ON_LOAD             (1 << 6)
+#define FLAG_HAS_JUMBO_FRAMES             (1 << 7)
+#define FLAG_HAS_ASPM                     (1 << 8)
+#define FLAG_HAS_STATS_ICR_ICT            (1 << 9)
+#define FLAG_HAS_STATS_PTC_PRC            (1 << 10)
+#define FLAG_HAS_SMART_POWER_DOWN         (1 << 11)
+#define FLAG_IS_QUAD_PORT_A               (1 << 12)
+#define FLAG_IS_QUAD_PORT                 (1 << 13)
+#define FLAG_TIPG_MEDIUM_FOR_80003ESLAN   (1 << 14)
+#define FLAG_APME_IN_WUC                  (1 << 15)
+#define FLAG_APME_IN_CTRL3                (1 << 16)
+#define FLAG_APME_CHECK_PORT_B            (1 << 17)
+#define FLAG_DISABLE_FC_PAUSE_TIME        (1 << 18)
+#define FLAG_NO_WAKE_UCAST                (1 << 19)
+#define FLAG_MNG_PT_ENABLED               (1 << 20)
+#define FLAG_RESET_OVERWRITES_LAA         (1 << 21)
+#define FLAG_TARC_SPEED_MODE_BIT          (1 << 22)
+#define FLAG_TARC_SET_BIT_ZERO            (1 << 23)
+#define FLAG_RX_NEEDS_RESTART             (1 << 24)
+#define FLAG_LSC_GIG_SPEED_DROP           (1 << 25)
+#define FLAG_SMART_POWER_DOWN             (1 << 26)
+#define FLAG_MSI_ENABLED                  (1 << 27)
+#define FLAG_RX_CSUM_ENABLED              (1 << 28)
+#define FLAG_TSO_FORCE                    (1 << 29)
+
+#define E1000_RX_DESC_PS(R, i)	    \
+	(&(((union e1000_rx_desc_packet_split *)((R).desc))[i]))
+#define E1000_GET_DESC(R, i, type)	(&(((struct type *)((R).desc))[i]))
+#define E1000_RX_DESC(R, i)		E1000_GET_DESC(R, i, e1000_rx_desc)
+#define E1000_TX_DESC(R, i)		E1000_GET_DESC(R, i, e1000_tx_desc)
+#define E1000_CONTEXT_DESC(R, i)	E1000_GET_DESC(R, i, e1000_context_desc)
+
+enum e1000_state_t {
+	__E1000_TESTING,
+	__E1000_RESETTING,
+	__E1000_DOWN
+};
+
+enum latency_range {
+	lowest_latency = 0,
+	low_latency = 1,
+	bulk_latency = 2,
+	latency_invalid = 255
+};
+
+extern char e1000e_driver_name[];
+extern const char e1000e_driver_version[];
+
+extern void e1000e_check_options(struct e1000_adapter *adapter);
+extern void e1000e_set_ethtool_ops(struct net_device *netdev);
+
+extern int e1000e_up(struct e1000_adapter *adapter);
+extern void e1000e_down(struct e1000_adapter *adapter);
+extern void e1000e_reinit_locked(struct e1000_adapter *adapter);
+extern void e1000e_reset(struct e1000_adapter *adapter);
+extern void e1000e_power_up_phy(struct e1000_adapter *adapter);
+extern int e1000e_setup_rx_resources(struct e1000_adapter *adapter);
+extern int e1000e_setup_tx_resources(struct e1000_adapter *adapter);
+extern void e1000e_free_rx_resources(struct e1000_adapter *adapter);
+extern void e1000e_free_tx_resources(struct e1000_adapter *adapter);
+extern void e1000e_update_stats(struct e1000_adapter *adapter);
+
+extern unsigned int copybreak;
+
+extern char *e1000e_get_hw_dev_name(struct e1000_hw *hw);
+
+extern struct e1000_info e1000_82571_info;
+extern struct e1000_info e1000_82572_info;
+extern struct e1000_info e1000_82573_info;
+extern struct e1000_info e1000_ich8_info;
+extern struct e1000_info e1000_ich9_info;
+extern struct e1000_info e1000_es2_info;
+
+extern s32 e1000e_read_part_num(struct e1000_hw *hw, u32 *part_num);
+
+extern s32  e1000e_commit_phy(struct e1000_hw *hw);
+
+extern bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw);
+
+extern bool e1000e_get_laa_state_82571(struct e1000_hw *hw);
+extern void e1000e_set_laa_state_82571(struct e1000_hw *hw, bool state);
+
+extern void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw,
+						 bool state);
+extern void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw);
+extern void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw);
+
+extern s32 e1000e_check_for_copper_link(struct e1000_hw *hw);
+extern s32 e1000e_check_for_fiber_link(struct e1000_hw *hw);
+extern s32 e1000e_check_for_serdes_link(struct e1000_hw *hw);
+extern s32 e1000e_cleanup_led_generic(struct e1000_hw *hw);
+extern s32 e1000e_led_on_generic(struct e1000_hw *hw);
+extern s32 e1000e_led_off_generic(struct e1000_hw *hw);
+extern s32 e1000e_get_bus_info_pcie(struct e1000_hw *hw);
+extern s32 e1000e_get_speed_and_duplex_copper(struct e1000_hw *hw, u16 *speed, u16 *duplex);
+extern s32 e1000e_get_speed_and_duplex_fiber_serdes(struct e1000_hw *hw, u16 *speed, u16 *duplex);
+extern s32 e1000e_disable_pcie_master(struct e1000_hw *hw);
+extern s32 e1000e_get_auto_rd_done(struct e1000_hw *hw);
+extern s32 e1000e_id_led_init(struct e1000_hw *hw);
+extern void e1000e_clear_hw_cntrs_base(struct e1000_hw *hw);
+extern s32 e1000e_setup_fiber_serdes_link(struct e1000_hw *hw);
+extern s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw);
+extern s32 e1000e_copper_link_setup_igp(struct e1000_hw *hw);
+extern s32 e1000e_setup_link(struct e1000_hw *hw);
+extern void e1000e_clear_vfta(struct e1000_hw *hw);
+extern void e1000e_init_rx_addrs(struct e1000_hw *hw, u16 rar_count);
+extern void e1000e_mc_addr_list_update_generic(struct e1000_hw *hw,
+				       u8 *mc_addr_list, u32 mc_addr_count,
+				       u32 rar_used_count, u32 rar_count);
+extern void e1000e_rar_set(struct e1000_hw *hw, u8 *addr, u32 index);
+extern s32 e1000e_set_fc_watermarks(struct e1000_hw *hw);
+extern void e1000e_set_pcie_no_snoop(struct e1000_hw *hw, u32 no_snoop);
+extern s32 e1000e_get_hw_semaphore(struct e1000_hw *hw);
+extern s32 e1000e_valid_led_default(struct e1000_hw *hw, u16 *data);
+extern void e1000e_config_collision_dist(struct e1000_hw *hw);
+extern s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw);
+extern s32 e1000e_force_mac_fc(struct e1000_hw *hw);
+extern s32 e1000e_blink_led(struct e1000_hw *hw);
+extern void e1000e_write_vfta(struct e1000_hw *hw, u32 offset, u32 value);
+extern void e1000e_reset_adaptive(struct e1000_hw *hw);
+extern void e1000e_update_adaptive(struct e1000_hw *hw);
+
+extern s32 e1000e_setup_copper_link(struct e1000_hw *hw);
+extern s32 e1000e_get_phy_id(struct e1000_hw *hw);
+extern void e1000e_put_hw_semaphore(struct e1000_hw *hw);
+extern s32 e1000e_check_reset_block_generic(struct e1000_hw *hw);
+extern s32 e1000e_phy_force_speed_duplex_igp(struct e1000_hw *hw);
+extern s32 e1000e_get_cable_length_igp_2(struct e1000_hw *hw);
+extern s32 e1000e_get_phy_info_igp(struct e1000_hw *hw);
+extern s32 e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data);
+extern s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw);
+extern s32 e1000e_set_d3_lplu_state(struct e1000_hw *hw, bool active);
+extern s32 e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data);
+extern s32 e1000e_phy_sw_reset(struct e1000_hw *hw);
+extern s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw);
+extern s32 e1000e_get_cfg_done(struct e1000_hw *hw);
+extern s32 e1000e_get_cable_length_m88(struct e1000_hw *hw);
+extern s32 e1000e_get_phy_info_m88(struct e1000_hw *hw);
+extern s32 e1000e_read_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 *data);
+extern s32 e1000e_write_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 data);
+extern enum e1000_phy_type e1000e_get_phy_type_from_id(u32 phy_id);
+extern void e1000e_phy_force_speed_duplex_setup(struct e1000_hw *hw, u16 *phy_ctrl);
+extern s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data);
+extern s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data);
+extern s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations,
+			       u32 usec_interval, bool *success);
+extern s32 e1000e_phy_reset_dsp(struct e1000_hw *hw);
+extern s32 e1000e_check_downshift(struct e1000_hw *hw);
+
+static inline s32 e1000_phy_hw_reset(struct e1000_hw *hw)
+{
+	return hw->phy.ops.reset_phy(hw);
+}
+
+static inline s32 e1000_check_reset_block(struct e1000_hw *hw)
+{
+	return hw->phy.ops.check_reset_block(hw);
+}
+
+static inline s32 e1e_rphy(struct e1000_hw *hw, u32 offset, u16 *data)
+{
+	return hw->phy.ops.read_phy_reg(hw, offset, data);
+}
+
+static inline s32 e1e_wphy(struct e1000_hw *hw, u32 offset, u16 data)
+{
+	return hw->phy.ops.write_phy_reg(hw, offset, data);
+}
+
+static inline s32 e1000_get_cable_length(struct e1000_hw *hw)
+{
+	return hw->phy.ops.get_cable_length(hw);
+}
+
+extern s32 e1000e_acquire_nvm(struct e1000_hw *hw);
+extern s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
+extern s32 e1000e_update_nvm_checksum_generic(struct e1000_hw *hw);
+extern s32 e1000e_poll_eerd_eewr_done(struct e1000_hw *hw, int ee_reg);
+extern s32 e1000e_read_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
+extern s32 e1000e_read_nvm_eerd(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
+extern s32 e1000e_validate_nvm_checksum_generic(struct e1000_hw *hw);
+extern void e1000e_release_nvm(struct e1000_hw *hw);
+extern void e1000e_reload_nvm(struct e1000_hw *hw);
+extern s32 e1000e_read_mac_addr(struct e1000_hw *hw);
+
+static inline s32 e1000_validate_nvm_checksum(struct e1000_hw *hw)
+{
+	return hw->nvm.ops.validate_nvm(hw);
+}
+
+static inline s32 e1000e_update_nvm_checksum(struct e1000_hw *hw)
+{
+	return hw->nvm.ops.update_nvm(hw);
+}
+
+static inline s32 e1000_read_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
+{
+	return hw->nvm.ops.read_nvm(hw, offset, words, data);
+}
+
+static inline s32 e1000_write_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
+{
+	return hw->nvm.ops.write_nvm(hw, offset, words, data);
+}
+
+static inline s32 e1000_get_phy_info(struct e1000_hw *hw)
+{
+	return hw->phy.ops.get_phy_info(hw);
+}
+
+extern bool e1000e_check_mng_mode(struct e1000_hw *hw);
+extern bool e1000e_enable_tx_pkt_filtering(struct e1000_hw *hw);
+extern s32 e1000e_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length);
+
+static inline u32 __er32(struct e1000_hw *hw, unsigned long reg)
+{
+	return readl(hw->hw_addr + reg);
+}
+
+static inline void __ew32(struct e1000_hw *hw, unsigned long reg, u32 val)
+{
+	writel(val, hw->hw_addr + reg);
+}
+
+#endif /* _E1000_H_ */