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Diffstat (limited to 'drivers/net/igb/igb.h')
-rw-r--r--drivers/net/igb/igb.h300
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diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
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+++ b/drivers/net/igb/igb.h
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+/*******************************************************************************
+
+ Intel(R) Gigabit Ethernet Linux driver
+ Copyright(c) 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:
+ 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 _IGB_H_
+#define _IGB_H_
+
+#include "e1000_mac.h"
+#include "e1000_82575.h"
+
+struct igb_adapter;
+
+/* Interrupt defines */
+#define IGB_MAX_TX_CLEAN 72
+
+#define IGB_MIN_DYN_ITR 3000
+#define IGB_MAX_DYN_ITR 96000
+#define IGB_START_ITR 6000
+
+#define IGB_DYN_ITR_PACKET_THRESHOLD 2
+#define IGB_DYN_ITR_LENGTH_LOW 200
+#define IGB_DYN_ITR_LENGTH_HIGH 1000
+
+/* TX/RX descriptor defines */
+#define IGB_DEFAULT_TXD 256
+#define IGB_MIN_TXD 80
+#define IGB_MAX_TXD 4096
+
+#define IGB_DEFAULT_RXD 256
+#define IGB_MIN_RXD 80
+#define IGB_MAX_RXD 4096
+
+#define IGB_DEFAULT_ITR 3 /* dynamic */
+#define IGB_MAX_ITR_USECS 10000
+#define IGB_MIN_ITR_USECS 10
+
+/* Transmit and receive queues */
+#define IGB_MAX_RX_QUEUES 4
+
+/* RX descriptor control thresholds.
+ * PTHRESH - MAC will consider prefetch if it has fewer than this number of
+ * descriptors available in its onboard memory.
+ * Setting this to 0 disables RX descriptor prefetch.
+ * HTHRESH - MAC will only prefetch if there are at least this many descriptors
+ * available in host memory.
+ * If PTHRESH is 0, this should also be 0.
+ * WTHRESH - RX descriptor writeback threshold - MAC will delay writing back
+ * descriptors until either it has this many to write back, or the
+ * ITR timer expires.
+ */
+#define IGB_RX_PTHRESH 16
+#define IGB_RX_HTHRESH 8
+#define IGB_RX_WTHRESH 1
+
+/* this is the size past which hardware will drop packets when setting LPE=0 */
+#define MAXIMUM_ETHERNET_VLAN_SIZE 1522
+
+/* Supported Rx Buffer Sizes */
+#define IGB_RXBUFFER_128 128 /* Used for packet split */
+#define IGB_RXBUFFER_256 256 /* Used for packet split */
+#define IGB_RXBUFFER_512 512
+#define IGB_RXBUFFER_1024 1024
+#define IGB_RXBUFFER_2048 2048
+#define IGB_RXBUFFER_4096 4096
+#define IGB_RXBUFFER_8192 8192
+#define IGB_RXBUFFER_16384 16384
+
+/* Packet Buffer allocations */
+
+
+/* How many Tx Descriptors do we need to call netif_wake_queue ? */
+#define IGB_TX_QUEUE_WAKE 16
+/* How many Rx Buffers do we bundle into one write to the hardware ? */
+#define IGB_RX_BUFFER_WRITE 16 /* Must be power of 2 */
+
+#define AUTO_ALL_MODES 0
+#define IGB_EEPROM_APME 0x0400
+
+#ifndef IGB_MASTER_SLAVE
+/* Switch to override PHY master/slave setting */
+#define IGB_MASTER_SLAVE e1000_ms_hw_default
+#endif
+
+#define IGB_MNG_VLAN_NONE -1
+
+/* wrapper around a pointer to a socket buffer,
+ * so a DMA handle can be stored along with the buffer */
+struct igb_buffer {
+ struct sk_buff *skb;
+ dma_addr_t dma;
+ union {
+ /* TX */
+ struct {
+ unsigned long time_stamp;
+ u32 length;
+ };
+ /* RX */
+ struct {
+ struct page *page;
+ u64 page_dma;
+ };
+ };
+};
+
+struct igb_queue_stats {
+ u64 packets;
+ u64 bytes;
+};
+
+struct igb_ring {
+ struct igb_adapter *adapter; /* backlink */
+ void *desc; /* descriptor ring memory */
+ dma_addr_t dma; /* phys address of the ring */
+ unsigned int size; /* length of desc. ring in bytes */
+ unsigned int count; /* number of desc. in the ring */
+ u16 next_to_use;
+ u16 next_to_clean;
+ u16 head;
+ u16 tail;
+ struct igb_buffer *buffer_info; /* array of buffer info structs */
+
+ u32 eims_value;
+ u32 itr_val;
+ u16 itr_register;
+ u16 cpu;
+
+ unsigned int total_bytes;
+ unsigned int total_packets;
+
+ union {
+ /* TX */
+ struct {
+ spinlock_t tx_clean_lock;
+ spinlock_t tx_lock;
+ bool detect_tx_hung;
+ };
+ /* RX */
+ struct {
+ /* arrays of page information for packet split */
+ struct sk_buff *pending_skb;
+ int pending_skb_page;
+ int no_itr_adjust;
+ struct igb_queue_stats rx_stats;
+ struct napi_struct napi;
+ };
+ };
+
+ char name[IFNAMSIZ + 5];
+};
+
+#define IGB_DESC_UNUSED(R) \
+ ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
+ (R)->next_to_clean - (R)->next_to_use - 1)
+
+#define E1000_RX_DESC_ADV(R, i) \
+ (&(((union e1000_adv_rx_desc *)((R).desc))[i]))
+#define E1000_TX_DESC_ADV(R, i) \
+ (&(((union e1000_adv_tx_desc *)((R).desc))[i]))
+#define E1000_TX_CTXTDESC_ADV(R, i) \
+ (&(((struct e1000_adv_tx_context_desc *)((R).desc))[i]))
+#define E1000_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i]))
+#define E1000_TX_DESC(R, i) E1000_GET_DESC(R, i, e1000_tx_desc)
+#define E1000_RX_DESC(R, i) E1000_GET_DESC(R, i, e1000_rx_desc)
+
+/* board specific private data structure */
+
+struct igb_adapter {
+ struct timer_list watchdog_timer;
+ struct timer_list phy_info_timer;
+ struct vlan_group *vlgrp;
+ u16 mng_vlan_id;
+ u32 bd_number;
+ u32 rx_buffer_len;
+ u32 wol;
+ u32 en_mng_pt;
+ u16 link_speed;
+ u16 link_duplex;
+ unsigned int total_tx_bytes;
+ unsigned int total_tx_packets;
+ unsigned int total_rx_bytes;
+ unsigned int total_rx_packets;
+ /* Interrupt Throttle Rate */
+ u32 itr;
+ u32 itr_setting;
+ u16 tx_itr;
+ u16 rx_itr;
+ int set_itr;
+
+ struct work_struct reset_task;
+ struct work_struct watchdog_task;
+ bool fc_autoneg;
+ u8 tx_timeout_factor;
+ struct timer_list blink_timer;
+ unsigned long led_status;
+
+ /* TX */
+ struct igb_ring *tx_ring; /* One per active queue */
+ unsigned int restart_queue;
+ unsigned long tx_queue_len;
+ u32 txd_cmd;
+ u32 gotc;
+ u64 gotc_old;
+ u64 tpt_old;
+ u64 colc_old;
+ u32 tx_timeout_count;
+
+ /* RX */
+ struct igb_ring *rx_ring; /* One per active queue */
+ int num_tx_queues;
+ int num_rx_queues;
+
+ u64 hw_csum_err;
+ u64 hw_csum_good;
+ u64 rx_hdr_split;
+ u32 alloc_rx_buff_failed;
+ bool rx_csum;
+ u32 gorc;
+ u64 gorc_old;
+ u16 rx_ps_hdr_size;
+ u32 max_frame_size;
+ u32 min_frame_size;
+
+ /* OS defined structs */
+ struct net_device *netdev;
+ struct napi_struct napi;
+ struct pci_dev *pdev;
+ struct net_device_stats net_stats;
+
+ /* 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;
+
+ u32 test_icr;
+ struct igb_ring test_tx_ring;
+ struct igb_ring test_rx_ring;
+
+ int msg_enable;
+ struct msix_entry *msix_entries;
+ u32 eims_enable_mask;
+
+ /* to not mess up cache alignment, always add to the bottom */
+ unsigned long state;
+ unsigned int msi_enabled;
+
+ u32 eeprom_wol;
+};
+
+enum e1000_state_t {
+ __IGB_TESTING,
+ __IGB_RESETTING,
+ __IGB_DOWN
+};
+
+enum igb_boards {
+ board_82575,
+};
+
+extern char igb_driver_name[];
+extern char igb_driver_version[];
+
+extern char *igb_get_hw_dev_name(struct e1000_hw *hw);
+extern int igb_up(struct igb_adapter *);
+extern void igb_down(struct igb_adapter *);
+extern void igb_reinit_locked(struct igb_adapter *);
+extern void igb_reset(struct igb_adapter *);
+extern int igb_set_spd_dplx(struct igb_adapter *, u16);
+extern int igb_setup_tx_resources(struct igb_adapter *, struct igb_ring *);
+extern int igb_setup_rx_resources(struct igb_adapter *, struct igb_ring *);
+extern void igb_update_stats(struct igb_adapter *);
+extern void igb_set_ethtool_ops(struct net_device *);
+
+#endif /* _IGB_H_ */