/*******************************************************************************
-
- Copyright(c) 1999 - 2003 Intel Corporation. All rights reserved.
-
- This program is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the Free
- Software Foundation; either version 2 of the License, or (at your option)
- any later version.
-
- This program is distributed in the hope that 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
+ Intel PRO/10GbE Linux driver
+ Copyright(c) 1999 - 2006 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., 59
- Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
- The full GNU General Public License is included in this distribution in the
- file called LICENSE.
-
+ 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
+
*******************************************************************************/
#ifndef _IXGB_H_
#define _IXGB_H_
#include <linux/stddef.h>
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/types.h>
#include <asm/byteorder.h>
#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/pci.h>
+#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/delay.h>
#include <linux/timer.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include <linux/interrupt.h>
#include <linux/string.h>
#include <linux/pagemap.h>
#include <linux/dma-mapping.h>
#include <linux/bitops.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <linux/capability.h>
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/tcp.h>
#include <linux/udp.h>
#include <net/pkt_sched.h>
#include <linux/list.h>
-#include <linux/workqueue.h>
#include <linux/reboot.h>
#ifdef NETIF_F_TSO
#include <net/checksum.h>
#endif
-/* ethtool support */
#include <linux/ethtool.h>
#include <linux/if_vlan.h>
-struct ixgb_adapter;
-
-#define BAR_0 0
-#define BAR_1 1
-#define BAR_5 5
+#define BAR_0 0
+#define BAR_1 1
+#define BAR_5 5
+struct ixgb_adapter;
#include "ixgb_hw.h"
#include "ixgb_ee.h"
#include "ixgb_ids.h"
-#if _DEBUG_DRIVER_
+#ifdef _DEBUG_DRIVER_
#define IXGB_DBG(args...) printk(KERN_DEBUG "ixgb: " args)
#else
#define IXGB_DBG(args...)
#endif
-#define IXGB_ERR(args...) printk(KERN_ERR "ixgb: " args)
+#define PFX "ixgb: "
+#define DPRINTK(nlevel, klevel, fmt, args...) \
+ (void)((NETIF_MSG_##nlevel & adapter->msg_enable) && \
+ printk(KERN_##klevel PFX "%s: %s: " fmt, adapter->netdev->name, \
+ __FUNCTION__ , ## args))
+
+
+/* TX/RX descriptor defines */
+#define DEFAULT_TXD 256
+#define MAX_TXD 4096
+#define MIN_TXD 64
+
+/* hardware cannot reliably support more than 512 descriptors owned by
+ * hardware descrioptor cache otherwise an unreliable ring under heavy
+ * recieve load may result */
+/* #define DEFAULT_RXD 1024 */
+/* #define MAX_RXD 4096 */
+#define DEFAULT_RXD 512
+#define MAX_RXD 512
+#define MIN_RXD 64
/* Supported Rx Buffer Sizes */
#define IXGB_RXBUFFER_2048 2048
#define IXGB_RXBUFFER_8192 8192
#define IXGB_RXBUFFER_16384 16384
-/* How many Tx Descriptors do we need to call netif_wake_queue? */
-#define IXGB_TX_QUEUE_WAKE 16
-
/* How many Rx Buffers do we bundle into one write to the hardware ? */
-#define IXGB_RX_BUFFER_WRITE 16
+#define IXGB_RX_BUFFER_WRITE 8 /* Must be power of 2 */
/* only works for sizes that are powers of 2 */
#define IXGB_ROUNDUP(i, size) ((i) = (((i) + (size) - 1) & ~((size) - 1)))
* so a DMA handle can be stored along with the buffer */
struct ixgb_buffer {
struct sk_buff *skb;
- uint64_t dma;
- unsigned long length;
+ dma_addr_t dma;
unsigned long time_stamp;
+ uint16_t length;
+ uint16_t next_to_watch;
};
struct ixgb_desc_ring {
- /* pointer to the descriptor ring memory */
+ /* pointer to the descriptor ring memory */
void *desc;
- /* physical address of the descriptor ring */
+ /* physical address of the descriptor ring */
dma_addr_t dma;
- /* length of descriptor ring in bytes */
+ /* length of descriptor ring in bytes */
unsigned int size;
- /* number of descriptors in the ring */
+ /* number of descriptors in the ring */
unsigned int count;
- /* next descriptor to associate a buffer with */
+ /* next descriptor to associate a buffer with */
unsigned int next_to_use;
- /* next descriptor to check for DD status bit */
+ /* next descriptor to check for DD status bit */
unsigned int next_to_clean;
- /* array of buffer information structs */
+ /* array of buffer information structs */
struct ixgb_buffer *buffer_info;
};
#define IXGB_DESC_UNUSED(R) \
-((((R)->next_to_clean + (R)->count) - ((R)->next_to_use + 1)) % ((R)->count))
+ ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
+ (R)->next_to_clean - (R)->next_to_use - 1)
-#define IXGB_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i]))
-#define IXGB_RX_DESC(R, i) IXGB_GET_DESC(R, i, ixgb_rx_desc)
-#define IXGB_TX_DESC(R, i) IXGB_GET_DESC(R, i, ixgb_tx_desc)
-#define IXGB_CONTEXT_DESC(R, i) IXGB_GET_DESC(R, i, ixgb_context_desc)
+#define IXGB_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i]))
+#define IXGB_RX_DESC(R, i) IXGB_GET_DESC(R, i, ixgb_rx_desc)
+#define IXGB_TX_DESC(R, i) IXGB_GET_DESC(R, i, ixgb_tx_desc)
+#define IXGB_CONTEXT_DESC(R, i) IXGB_GET_DESC(R, i, ixgb_context_desc)
/* board specific private data structure */
struct ixgb_adapter {
struct timer_list watchdog_timer;
struct vlan_group *vlgrp;
- char *id_string;
- u32 bd_number;
- u32 rx_buffer_len;
- u32 part_num;
- u16 link_speed;
- u16 link_duplex;
+ uint32_t bd_number;
+ uint32_t rx_buffer_len;
+ uint32_t part_num;
+ uint16_t link_speed;
+ uint16_t link_duplex;
+ spinlock_t tx_lock;
atomic_t irq_sem;
struct work_struct tx_timeout_task;
-#ifdef ETHTOOL_PHYS_ID
struct timer_list blink_timer;
unsigned long led_status;
-#endif
-#ifdef _INTERNAL_LOOPBACK_DRIVER_
- struct ixgb_desc_ring diag_tx_ring;
- struct ixgb_desc_ring diag_rx_ring;
-#endif
+
/* TX */
- struct ixgb_desc_ring tx_ring;
+ struct ixgb_desc_ring tx_ring ____cacheline_aligned_in_smp;
+ unsigned int restart_queue;
unsigned long timeo_start;
- u32 tx_cmd_type;
- int max_data_per_txd;
+ uint32_t tx_cmd_type;
uint64_t hw_csum_tx_good;
uint64_t hw_csum_tx_error;
- boolean_t tx_csum;
- u32 tx_int_delay;
+ uint32_t tx_int_delay;
+ uint32_t tx_timeout_count;
boolean_t tx_int_delay_enable;
+ boolean_t detect_tx_hung;
/* RX */
struct ixgb_desc_ring rx_ring;
uint64_t hw_csum_rx_error;
uint64_t hw_csum_rx_good;
- u32 rx_int_delay;
- boolean_t raidc;
+ uint32_t rx_int_delay;
boolean_t rx_csum;
/* OS defined structs */
/* structs defined in ixgb_hw.h */
struct ixgb_hw hw;
+ u16 msg_enable;
struct ixgb_hw_stats stats;
- u32 pci_state[16];
- char ifname[IFNAMSIZ];
+ uint32_t alloc_rx_buff_failed;
+#ifdef CONFIG_PCI_MSI
+ boolean_t have_msi;
+#endif
};
-
-#endif /* _IXGB_H_ */
+#endif /* _IXGB_H_ */
git://git.onelab.eu / linux-2.6.git / blobdiff