Merge branch 'linux-2.6'

1 files changed, 300 insertions, 0 deletions

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
new file mode 100644
index 00000000000..6b2e7d351d6
--- /dev/null
+++ b/drivers/net/igb/igb.h
@@ -0,0 +1,300 @@
+/*******************************************************************************
+
+  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_ */