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31#ifndef _IGB_H_
32#define _IGB_H_
33
34#include "e1000_mac.h"
35#include "e1000_82575.h"
36
37#include <linux/clocksource.h>
38#include <linux/timecompare.h>
39#include <linux/net_tstamp.h>
40
41struct igb_adapter;
42
43
44#define IGB_START_ITR 648
45
46
47#define IGB_DEFAULT_TXD 256
48#define IGB_MIN_TXD 80
49#define IGB_MAX_TXD 4096
50
51#define IGB_DEFAULT_RXD 256
52#define IGB_MIN_RXD 80
53#define IGB_MAX_RXD 4096
54
55#define IGB_DEFAULT_ITR 3
56#define IGB_MAX_ITR_USECS 10000
57#define IGB_MIN_ITR_USECS 10
58#define NON_Q_VECTORS 1
59#define MAX_Q_VECTORS 8
60
61
62#define IGB_MAX_RX_QUEUES (adapter->vfs_allocated_count ? 2 : \
63 (hw->mac.type > e1000_82575 ? 8 : 4))
64#define IGB_ABS_MAX_TX_QUEUES 8
65#define IGB_MAX_TX_QUEUES IGB_MAX_RX_QUEUES
66
67#define IGB_MAX_VF_MC_ENTRIES 30
68#define IGB_MAX_VF_FUNCTIONS 8
69#define IGB_MAX_VFTA_ENTRIES 128
70
71struct vf_data_storage {
72 unsigned char vf_mac_addresses[ETH_ALEN];
73 u16 vf_mc_hashes[IGB_MAX_VF_MC_ENTRIES];
74 u16 num_vf_mc_hashes;
75 u16 vlans_enabled;
76 u32 flags;
77 unsigned long last_nack;
78 u16 pf_vlan;
79 u16 pf_qos;
80 u16 tx_rate;
81};
82
83#define IGB_VF_FLAG_CTS 0x00000001
84#define IGB_VF_FLAG_UNI_PROMISC 0x00000002
85#define IGB_VF_FLAG_MULTI_PROMISC 0x00000004
86#define IGB_VF_FLAG_PF_SET_MAC 0x00000008
87
88
89
90
91
92
93
94
95
96
97
98
99#define IGB_RX_PTHRESH 8
100#define IGB_RX_HTHRESH 8
101#define IGB_RX_WTHRESH 1
102#define IGB_TX_PTHRESH 8
103#define IGB_TX_HTHRESH 1
104#define IGB_TX_WTHRESH ((hw->mac.type == e1000_82576 && \
105 adapter->msix_entries) ? 1 : 16)
106
107
108#define MAXIMUM_ETHERNET_VLAN_SIZE 1522
109
110
111#define IGB_RXBUFFER_64 64
112#define IGB_RXBUFFER_128 128
113#define IGB_RXBUFFER_1024 1024
114#define IGB_RXBUFFER_2048 2048
115#define IGB_RXBUFFER_16384 16384
116
117#define MAX_STD_JUMBO_FRAME_SIZE 9234
118
119
120#define IGB_TX_QUEUE_WAKE 16
121
122#define IGB_RX_BUFFER_WRITE 16
123
124#define AUTO_ALL_MODES 0
125#define IGB_EEPROM_APME 0x0400
126
127#ifndef IGB_MASTER_SLAVE
128
129#define IGB_MASTER_SLAVE e1000_ms_hw_default
130#endif
131
132#define IGB_MNG_VLAN_NONE -1
133
134
135
136struct igb_buffer {
137 struct sk_buff *skb;
138 dma_addr_t dma;
139 union {
140
141 struct {
142 unsigned long time_stamp;
143 u16 length;
144 u16 next_to_watch;
145 unsigned int bytecount;
146 u16 gso_segs;
147 u8 tx_flags;
148 u8 mapped_as_page;
149 };
150
151 struct {
152 struct page *page;
153 dma_addr_t page_dma;
154 u16 page_offset;
155 };
156 };
157};
158
159struct igb_tx_queue_stats {
160 u64 packets;
161 u64 bytes;
162 u64 restart_queue;
163 u64 restart_queue2;
164};
165
166struct igb_rx_queue_stats {
167 u64 packets;
168 u64 bytes;
169 u64 drops;
170 u64 csum_err;
171 u64 alloc_failed;
172};
173
174struct igb_q_vector {
175 struct igb_adapter *adapter;
176 struct igb_ring *rx_ring;
177 struct igb_ring *tx_ring;
178 struct napi_struct napi;
179
180 u32 eims_value;
181 u16 cpu;
182
183 u16 itr_val;
184 u8 set_itr;
185 void __iomem *itr_register;
186
187 char name[IFNAMSIZ + 9];
188};
189
190struct igb_ring {
191 struct igb_q_vector *q_vector;
192 struct net_device *netdev;
193 struct device *dev;
194 dma_addr_t dma;
195 void *desc;
196 unsigned int size;
197 u16 count;
198 u16 next_to_use;
199 u16 next_to_clean;
200 u8 queue_index;
201 u8 reg_idx;
202 void __iomem *head;
203 void __iomem *tail;
204 struct igb_buffer *buffer_info;
205
206 unsigned int total_bytes;
207 unsigned int total_packets;
208
209 u32 flags;
210
211 union {
212
213 struct {
214 struct igb_tx_queue_stats tx_stats;
215 struct u64_stats_sync tx_syncp;
216 struct u64_stats_sync tx_syncp2;
217 bool detect_tx_hung;
218 };
219
220 struct {
221 struct igb_rx_queue_stats rx_stats;
222 struct u64_stats_sync rx_syncp;
223 u32 rx_buffer_len;
224 };
225 };
226};
227
228#define IGB_RING_FLAG_RX_CSUM 0x00000001
229#define IGB_RING_FLAG_RX_SCTP_CSUM 0x00000002
230
231#define IGB_RING_FLAG_TX_CTX_IDX 0x00000001
232
233#define IGB_ADVTXD_DCMD (E1000_TXD_CMD_EOP | E1000_TXD_CMD_RS)
234
235#define E1000_RX_DESC_ADV(R, i) \
236 (&(((union e1000_adv_rx_desc *)((R).desc))[i]))
237#define E1000_TX_DESC_ADV(R, i) \
238 (&(((union e1000_adv_tx_desc *)((R).desc))[i]))
239#define E1000_TX_CTXTDESC_ADV(R, i) \
240 (&(((struct e1000_adv_tx_context_desc *)((R).desc))[i]))
241
242
243static inline int igb_desc_unused(struct igb_ring *ring)
244{
245 if (ring->next_to_clean > ring->next_to_use)
246 return ring->next_to_clean - ring->next_to_use - 1;
247
248 return ring->count + ring->next_to_clean - ring->next_to_use - 1;
249}
250
251
252struct igb_adapter {
253 struct timer_list watchdog_timer;
254 struct timer_list phy_info_timer;
255 struct vlan_group *vlgrp;
256 u16 mng_vlan_id;
257 u32 bd_number;
258 u32 wol;
259 u32 en_mng_pt;
260 u16 link_speed;
261 u16 link_duplex;
262
263
264 u32 rx_itr_setting;
265 u32 tx_itr_setting;
266 u16 tx_itr;
267 u16 rx_itr;
268
269 struct work_struct reset_task;
270 struct work_struct watchdog_task;
271 bool fc_autoneg;
272 u8 tx_timeout_factor;
273 struct timer_list blink_timer;
274 unsigned long led_status;
275
276
277 struct igb_ring *tx_ring[16];
278 u32 tx_timeout_count;
279
280
281 struct igb_ring *rx_ring[16];
282 int num_tx_queues;
283 int num_rx_queues;
284
285 u32 max_frame_size;
286 u32 min_frame_size;
287
288
289 struct net_device *netdev;
290 struct pci_dev *pdev;
291 struct cyclecounter cycles;
292 struct timecounter clock;
293 struct timecompare compare;
294 struct hwtstamp_config hwtstamp_config;
295
296 spinlock_t stats64_lock;
297 struct rtnl_link_stats64 stats64;
298
299
300 struct e1000_hw hw;
301 struct e1000_hw_stats stats;
302 struct e1000_phy_info phy_info;
303 struct e1000_phy_stats phy_stats;
304
305 u32 test_icr;
306 struct igb_ring test_tx_ring;
307 struct igb_ring test_rx_ring;
308
309 int msg_enable;
310
311 unsigned int num_q_vectors;
312 struct igb_q_vector *q_vector[MAX_Q_VECTORS];
313 struct msix_entry *msix_entries;
314 u32 eims_enable_mask;
315 u32 eims_other;
316
317
318 unsigned long state;
319 unsigned int flags;
320 u32 eeprom_wol;
321
322 struct igb_ring *multi_tx_table[IGB_ABS_MAX_TX_QUEUES];
323 u16 tx_ring_count;
324 u16 rx_ring_count;
325 unsigned int vfs_allocated_count;
326 struct vf_data_storage *vf_data;
327 int vf_rate_link_speed;
328 u32 rss_queues;
329 u32 wvbr;
330};
331
332#define IGB_FLAG_HAS_MSI (1 << 0)
333#define IGB_FLAG_DCA_ENABLED (1 << 1)
334#define IGB_FLAG_QUAD_PORT_A (1 << 2)
335#define IGB_FLAG_QUEUE_PAIRS (1 << 3)
336#define IGB_FLAG_DMAC (1 << 4)
337
338
339#define IGB_MIN_TXPBSIZE 20408
340#define IGB_TX_BUF_4096 4096
341#define IGB_DMCTLX_DCFLUSH_DIS 0x80000000
342
343#define IGB_82576_TSYNC_SHIFT 19
344#define IGB_82580_TSYNC_SHIFT 24
345#define IGB_TS_HDR_LEN 16
346enum e1000_state_t {
347 __IGB_TESTING,
348 __IGB_RESETTING,
349 __IGB_DOWN
350};
351
352enum igb_boards {
353 board_82575,
354};
355
356extern char igb_driver_name[];
357extern char igb_driver_version[];
358
359extern int igb_up(struct igb_adapter *);
360extern void igb_down(struct igb_adapter *);
361extern void igb_reinit_locked(struct igb_adapter *);
362extern void igb_reset(struct igb_adapter *);
363extern int igb_set_spd_dplx(struct igb_adapter *, u16);
364extern int igb_setup_tx_resources(struct igb_ring *);
365extern int igb_setup_rx_resources(struct igb_ring *);
366extern void igb_free_tx_resources(struct igb_ring *);
367extern void igb_free_rx_resources(struct igb_ring *);
368extern void igb_configure_tx_ring(struct igb_adapter *, struct igb_ring *);
369extern void igb_configure_rx_ring(struct igb_adapter *, struct igb_ring *);
370extern void igb_setup_tctl(struct igb_adapter *);
371extern void igb_setup_rctl(struct igb_adapter *);
372extern netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *, struct igb_ring *);
373extern void igb_unmap_and_free_tx_resource(struct igb_ring *,
374 struct igb_buffer *);
375extern void igb_alloc_rx_buffers_adv(struct igb_ring *, int);
376extern void igb_update_stats(struct igb_adapter *, struct rtnl_link_stats64 *);
377extern bool igb_has_link(struct igb_adapter *adapter);
378extern void igb_set_ethtool_ops(struct net_device *);
379extern void igb_power_up_link(struct igb_adapter *);
380
381static inline s32 igb_reset_phy(struct e1000_hw *hw)
382{
383 if (hw->phy.ops.reset)
384 return hw->phy.ops.reset(hw);
385
386 return 0;
387}
388
389static inline s32 igb_read_phy_reg(struct e1000_hw *hw, u32 offset, u16 *data)
390{
391 if (hw->phy.ops.read_reg)
392 return hw->phy.ops.read_reg(hw, offset, data);
393
394 return 0;
395}
396
397static inline s32 igb_write_phy_reg(struct e1000_hw *hw, u32 offset, u16 data)
398{
399 if (hw->phy.ops.write_reg)
400 return hw->phy.ops.write_reg(hw, offset, data);
401
402 return 0;
403}
404
405static inline s32 igb_get_phy_info(struct e1000_hw *hw)
406{
407 if (hw->phy.ops.get_phy_info)
408 return hw->phy.ops.get_phy_info(hw);
409
410 return 0;
411}
412
413#endif
414