diff options
Diffstat (limited to 'drivers/net/ixgb/ixgb.h')
| -rw-r--r-- | drivers/net/ixgb/ixgb.h | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/drivers/net/ixgb/ixgb.h b/drivers/net/ixgb/ixgb.h new file mode 100644 index 000000000000..26c4f15f7fc0 --- /dev/null +++ b/drivers/net/ixgb/ixgb.h @@ -0,0 +1,200 @@ +/******************************************************************************* + + + Copyright(c) 1999 - 2005 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 IXGB_ERR(args...) printk(KERN_ERR "ixgb: " 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 16 /* 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; + uint64_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; + 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; + struct ixgb_hw_stats stats; +#ifdef CONFIG_PCI_MSI + boolean_t have_msi; +#endif +}; +#endif /* _IXGB_H_ */ |