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29#ifndef _IGBVF_H_
30#define _IGBVF_H_
31
32#include <linux/types.h>
33#include <linux/timer.h>
34#include <linux/io.h>
35#include <linux/netdevice.h>
36#include <linux/if_vlan.h>
37
38#include "vf.h"
39
40
41struct igbvf_info;
42struct igbvf_adapter;
43
44
45#define IGBVF_START_ITR 488
46#define IGBVF_4K_ITR 980
47#define IGBVF_20K_ITR 196
48#define IGBVF_70K_ITR 56
49
50enum latency_range {
51 lowest_latency = 0,
52 low_latency = 1,
53 bulk_latency = 2,
54 latency_invalid = 255
55};
56
57
58#define IGBVF_INT_MODE_LEGACY 0
59#define IGBVF_INT_MODE_MSI 1
60#define IGBVF_INT_MODE_MSIX 2
61
62
63#define IGBVF_DEFAULT_TXD 256
64#define IGBVF_MAX_TXD 4096
65#define IGBVF_MIN_TXD 80
66
67#define IGBVF_DEFAULT_RXD 256
68#define IGBVF_MAX_RXD 4096
69#define IGBVF_MIN_RXD 80
70
71#define IGBVF_MIN_ITR_USECS 10
72#define IGBVF_MAX_ITR_USECS 10000
73
74
75
76
77
78
79
80
81
82
83
84
85#define IGBVF_RX_PTHRESH 16
86#define IGBVF_RX_HTHRESH 8
87#define IGBVF_RX_WTHRESH 1
88
89
90#define MAXIMUM_ETHERNET_VLAN_SIZE 1522
91
92#define IGBVF_FC_PAUSE_TIME 0x0680
93
94
95#define IGBVF_TX_QUEUE_WAKE 32
96
97#define IGBVF_RX_BUFFER_WRITE 16
98
99#define AUTO_ALL_MODES 0
100#define IGBVF_EEPROM_APME 0x0400
101
102#define IGBVF_MNG_VLAN_NONE (-1)
103
104
105#define PS_PAGE_BUFFERS (MAX_PS_BUFFERS - 1)
106
107enum igbvf_boards {
108 board_vf,
109 board_i350_vf,
110};
111
112struct igbvf_queue_stats {
113 u64 packets;
114 u64 bytes;
115};
116
117
118
119
120struct igbvf_buffer {
121 dma_addr_t dma;
122 struct sk_buff *skb;
123 union {
124
125 struct {
126 unsigned long time_stamp;
127 union e1000_adv_tx_desc *next_to_watch;
128 u16 length;
129 u16 mapped_as_page;
130 };
131
132 struct {
133 struct page *page;
134 u64 page_dma;
135 unsigned int page_offset;
136 };
137 };
138};
139
140union igbvf_desc {
141 union e1000_adv_rx_desc rx_desc;
142 union e1000_adv_tx_desc tx_desc;
143 struct e1000_adv_tx_context_desc tx_context_desc;
144};
145
146struct igbvf_ring {
147 struct igbvf_adapter *adapter;
148 union igbvf_desc *desc;
149 dma_addr_t dma;
150 unsigned int size;
151 unsigned int count;
152
153 u16 next_to_use;
154 u16 next_to_clean;
155
156 u16 head;
157 u16 tail;
158
159
160 struct igbvf_buffer *buffer_info;
161 struct napi_struct napi;
162
163 char name[IFNAMSIZ + 5];
164 u32 eims_value;
165 u32 itr_val;
166 enum latency_range itr_range;
167 u16 itr_register;
168 int set_itr;
169
170 struct sk_buff *rx_skb_top;
171
172 struct igbvf_queue_stats stats;
173};
174
175
176struct igbvf_adapter {
177 struct timer_list watchdog_timer;
178 struct timer_list blink_timer;
179
180 struct work_struct reset_task;
181 struct work_struct watchdog_task;
182
183 const struct igbvf_info *ei;
184
185 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
186 u32 bd_number;
187 u32 rx_buffer_len;
188 u32 polling_interval;
189 u16 mng_vlan_id;
190 u16 link_speed;
191 u16 link_duplex;
192
193 spinlock_t tx_queue_lock;
194
195
196 unsigned long state;
197
198
199 u32 requested_itr;
200 u32 current_itr;
201
202
203 struct igbvf_ring *tx_ring
204 ____cacheline_aligned_in_smp;
205
206 unsigned int restart_queue;
207 u32 txd_cmd;
208
209 u32 tx_int_delay;
210 u32 tx_abs_int_delay;
211
212 unsigned int total_tx_bytes;
213 unsigned int total_tx_packets;
214 unsigned int total_rx_bytes;
215 unsigned int total_rx_packets;
216
217
218 u32 tx_timeout_count;
219 u32 tx_fifo_head;
220 u32 tx_head_addr;
221 u32 tx_fifo_size;
222 u32 tx_dma_failed;
223
224
225 struct igbvf_ring *rx_ring;
226
227 u32 rx_int_delay;
228 u32 rx_abs_int_delay;
229
230
231 u64 hw_csum_err;
232 u64 hw_csum_good;
233 u64 rx_hdr_split;
234 u32 alloc_rx_buff_failed;
235 u32 rx_dma_failed;
236
237 unsigned int rx_ps_hdr_size;
238 u32 max_frame_size;
239 u32 min_frame_size;
240
241
242 struct net_device *netdev;
243 struct pci_dev *pdev;
244 struct net_device_stats net_stats;
245 spinlock_t stats_lock;
246
247
248 struct e1000_hw hw;
249
250
251
252
253
254 struct e1000_vf_stats stats;
255 u64 zero_base;
256
257 struct igbvf_ring test_tx_ring;
258 struct igbvf_ring test_rx_ring;
259 u32 test_icr;
260
261 u32 msg_enable;
262 struct msix_entry *msix_entries;
263 int int_mode;
264 u32 eims_enable_mask;
265 u32 eims_other;
266 u32 int_counter0;
267 u32 int_counter1;
268
269 u32 eeprom_wol;
270 u32 wol;
271 u32 pba;
272
273 bool fc_autoneg;
274
275 unsigned long led_status;
276
277 unsigned int flags;
278 unsigned long last_reset;
279};
280
281struct igbvf_info {
282 enum e1000_mac_type mac;
283 unsigned int flags;
284 u32 pba;
285 void (*init_ops)(struct e1000_hw *);
286 s32 (*get_variants)(struct igbvf_adapter *);
287};
288
289
290#define IGBVF_FLAG_RX_CSUM_DISABLED BIT(0)
291#define IGBVF_FLAG_RX_LB_VLAN_BSWAP BIT(1)
292#define IGBVF_RX_DESC_ADV(R, i) \
293 (&((((R).desc))[i].rx_desc))
294#define IGBVF_TX_DESC_ADV(R, i) \
295 (&((((R).desc))[i].tx_desc))
296#define IGBVF_TX_CTXTDESC_ADV(R, i) \
297 (&((((R).desc))[i].tx_context_desc))
298
299enum igbvf_state_t {
300 __IGBVF_TESTING,
301 __IGBVF_RESETTING,
302 __IGBVF_DOWN
303};
304
305extern char igbvf_driver_name[];
306extern const char igbvf_driver_version[];
307
308void igbvf_check_options(struct igbvf_adapter *);
309void igbvf_set_ethtool_ops(struct net_device *);
310
311int igbvf_up(struct igbvf_adapter *);
312void igbvf_down(struct igbvf_adapter *);
313void igbvf_reinit_locked(struct igbvf_adapter *);
314int igbvf_setup_rx_resources(struct igbvf_adapter *, struct igbvf_ring *);
315int igbvf_setup_tx_resources(struct igbvf_adapter *, struct igbvf_ring *);
316void igbvf_free_rx_resources(struct igbvf_ring *);
317void igbvf_free_tx_resources(struct igbvf_ring *);
318void igbvf_update_stats(struct igbvf_adapter *);
319
320extern unsigned int copybreak;
321
322#endif
323