/******************************************************************************* Copyright(c) 1999 - 2006 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 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. Contact Information: Linux NICS <linux.nics@intel.com> 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/reboot.h> #ifdef NETIF_F_TSO #include <net/checksum.h> #endif #include <linux/ethtool.h> #include <linux/if_vlan.h> #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" #ifdef _DEBUG_DRIVER_ #define IXGB_DBG(args...) printk(KERN_DEBUG "ixgb: " args) #else #define IXGB_DBG(args...) #endif #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_4096 4096 #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 4 /* 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))) /* wrapper around a pointer to a socket buffer, * so a DMA handle can be stored along with the buffer */ struct ixgb_buffer { struct sk_buff *skb; 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 */ void *desc; /* physical address of the descriptor ring */ dma_addr_t dma; /* length of descriptor ring in bytes */ unsigned int size; /* number of descriptors in the ring */ unsigned int count; /* next descriptor to associate a buffer with */ unsigned int next_to_use; /* next descriptor to check for DD status bit */ unsigned int next_to_clean; /* array of buffer information structs */ struct ixgb_buffer *buffer_info; }; #define IXGB_DESC_UNUSED(R) \ ((((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) /* board specific private data structure */ struct ixgb_adapter { struct timer_list watchdog_timer; struct vlan_group *vlgrp; 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; struct timer_list blink_timer; unsigned long led_status; /* TX */ struct ixgb_desc_ring tx_ring; unsigned long timeo_start; uint32_t tx_cmd_type; uint64_t hw_csum_tx_good; uint64_t hw_csum_tx_error; 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; uint32_t rx_int_delay; boolean_t rx_csum; /* OS defined structs */ struct net_device *netdev; struct pci_dev *pdev; struct net_device_stats net_stats; /* structs defined in ixgb_hw.h */ struct ixgb_hw hw; u16 msg_enable; struct ixgb_hw_stats stats; uint32_t alloc_rx_buff_failed; #ifdef CONFIG_PCI_MSI boolean_t have_msi; #endif }; #endif /* _IXGB_H_ */