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29#ifndef _IXGB_H_
30#define _IXGB_H_
31
32#include <linux/stddef.h>
33#include <linux/module.h>
34#include <linux/types.h>
35#include <asm/byteorder.h>
36#include <linux/mm.h>
37#include <linux/errno.h>
38#include <linux/ioport.h>
39#include <linux/pci.h>
40#include <linux/kernel.h>
41#include <linux/netdevice.h>
42#include <linux/etherdevice.h>
43#include <linux/skbuff.h>
44#include <linux/delay.h>
45#include <linux/timer.h>
46#include <linux/slab.h>
47#include <linux/vmalloc.h>
48#include <linux/interrupt.h>
49#include <linux/string.h>
50#include <linux/pagemap.h>
51#include <linux/dma-mapping.h>
52#include <linux/bitops.h>
53#include <asm/io.h>
54#include <asm/irq.h>
55#include <linux/capability.h>
56#include <linux/in.h>
57#include <linux/ip.h>
58#include <linux/tcp.h>
59#include <linux/udp.h>
60#include <net/pkt_sched.h>
61#include <linux/list.h>
62#include <linux/reboot.h>
63#include <net/checksum.h>
64
65#include <linux/ethtool.h>
66#include <linux/if_vlan.h>
67
68#define BAR_0 0
69#define BAR_1 1
70#define BAR_5 5
71
72struct ixgb_adapter;
73#include "ixgb_hw.h"
74#include "ixgb_ee.h"
75#include "ixgb_ids.h"
76
77
78#define DEFAULT_TXD 256
79#define MAX_TXD 4096
80#define MIN_TXD 64
81
82
83
84
85#define DEFAULT_RXD 512
86#define MAX_RXD 512
87#define MIN_RXD 64
88
89
90#define IXGB_RXBUFFER_2048 2048
91#define IXGB_RXBUFFER_4096 4096
92#define IXGB_RXBUFFER_8192 8192
93#define IXGB_RXBUFFER_16384 16384
94
95
96#define IXGB_RX_BUFFER_WRITE 8
97
98
99
100struct ixgb_buffer {
101 struct sk_buff *skb;
102 dma_addr_t dma;
103 unsigned long time_stamp;
104 u16 length;
105 u16 next_to_watch;
106 u16 mapped_as_page;
107};
108
109struct ixgb_desc_ring {
110
111 void *desc;
112
113 dma_addr_t dma;
114
115 unsigned int size;
116
117 unsigned int count;
118
119 unsigned int next_to_use;
120
121 unsigned int next_to_clean;
122
123 struct ixgb_buffer *buffer_info;
124};
125
126#define IXGB_DESC_UNUSED(R) \
127 ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
128 (R)->next_to_clean - (R)->next_to_use - 1)
129
130#define IXGB_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i]))
131#define IXGB_RX_DESC(R, i) IXGB_GET_DESC(R, i, ixgb_rx_desc)
132#define IXGB_TX_DESC(R, i) IXGB_GET_DESC(R, i, ixgb_tx_desc)
133#define IXGB_CONTEXT_DESC(R, i) IXGB_GET_DESC(R, i, ixgb_context_desc)
134
135
136
137struct ixgb_adapter {
138 struct timer_list watchdog_timer;
139 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
140 u32 bd_number;
141 u32 rx_buffer_len;
142 u32 part_num;
143 u16 link_speed;
144 u16 link_duplex;
145 struct work_struct tx_timeout_task;
146
147
148 struct ixgb_desc_ring tx_ring ____cacheline_aligned_in_smp;
149 unsigned int restart_queue;
150 unsigned long timeo_start;
151 u32 tx_cmd_type;
152 u64 hw_csum_tx_good;
153 u64 hw_csum_tx_error;
154 u32 tx_int_delay;
155 u32 tx_timeout_count;
156 bool tx_int_delay_enable;
157 bool detect_tx_hung;
158
159
160 struct ixgb_desc_ring rx_ring;
161 u64 hw_csum_rx_error;
162 u64 hw_csum_rx_good;
163 u32 rx_int_delay;
164 bool rx_csum;
165
166
167 struct napi_struct napi;
168 struct net_device *netdev;
169 struct pci_dev *pdev;
170
171
172 struct ixgb_hw hw;
173 u16 msg_enable;
174 struct ixgb_hw_stats stats;
175 u32 alloc_rx_buff_failed;
176 bool have_msi;
177 unsigned long flags;
178};
179
180enum ixgb_state_t {
181
182
183
184
185 __IXGB_DOWN
186};
187
188
189void ixgb_check_options(struct ixgb_adapter *adapter);
190void ixgb_set_ethtool_ops(struct net_device *netdev);
191extern char ixgb_driver_name[];
192extern const char ixgb_driver_version[];
193
194void ixgb_set_speed_duplex(struct net_device *netdev);
195
196int ixgb_up(struct ixgb_adapter *adapter);
197void ixgb_down(struct ixgb_adapter *adapter, bool kill_watchdog);
198void ixgb_reset(struct ixgb_adapter *adapter);
199int ixgb_setup_rx_resources(struct ixgb_adapter *adapter);
200int ixgb_setup_tx_resources(struct ixgb_adapter *adapter);
201void ixgb_free_rx_resources(struct ixgb_adapter *adapter);
202void ixgb_free_tx_resources(struct ixgb_adapter *adapter);
203void ixgb_update_stats(struct ixgb_adapter *adapter);
204
205
206#endif
207