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28#ifndef _IXGBE_H_
29#define _IXGBE_H_
30
31#include <linux/types.h>
32#include <linux/pci.h>
33#include <linux/netdevice.h>
34#include <linux/aer.h>
35
36#include "ixgbe_type.h"
37#include "ixgbe_common.h"
38#include "ixgbe_dcb.h"
39#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
40#define IXGBE_FCOE
41#include "ixgbe_fcoe.h"
42#endif
43#ifdef CONFIG_IXGBE_DCA
44#include <linux/dca.h>
45#endif
46
47#define PFX "ixgbe: "
48#define DPRINTK(nlevel, klevel, fmt, args...) \
49 ((void)((NETIF_MSG_##nlevel & adapter->msg_enable) && \
50 printk(KERN_##klevel PFX "%s: %s: " fmt, adapter->netdev->name, \
51 __func__ , ## args)))
52
53
54#define IXGBE_DEFAULT_TXD 1024
55#define IXGBE_MAX_TXD 4096
56#define IXGBE_MIN_TXD 64
57
58#define IXGBE_DEFAULT_RXD 1024
59#define IXGBE_MAX_RXD 4096
60#define IXGBE_MIN_RXD 64
61
62
63#define IXGBE_DEFAULT_FCRTL 0x10000
64#define IXGBE_MIN_FCRTL 0x40
65#define IXGBE_MAX_FCRTL 0x7FF80
66#define IXGBE_DEFAULT_FCRTH 0x20000
67#define IXGBE_MIN_FCRTH 0x600
68#define IXGBE_MAX_FCRTH 0x7FFF0
69#define IXGBE_DEFAULT_FCPAUSE 0xFFFF
70#define IXGBE_MIN_FCPAUSE 0
71#define IXGBE_MAX_FCPAUSE 0xFFFF
72
73
74#define IXGBE_RXBUFFER_64 64
75#define IXGBE_RXBUFFER_128 128
76#define IXGBE_RXBUFFER_256 256
77#define IXGBE_RXBUFFER_2048 2048
78#define IXGBE_RXBUFFER_4096 4096
79#define IXGBE_RXBUFFER_8192 8192
80#define IXGBE_MAX_RXBUFFER 16384
81
82#define IXGBE_RX_HDR_SIZE IXGBE_RXBUFFER_256
83
84#define MAXIMUM_ETHERNET_VLAN_SIZE (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN)
85
86
87#define IXGBE_RX_BUFFER_WRITE 16
88
89#define IXGBE_TX_FLAGS_CSUM (u32)(1)
90#define IXGBE_TX_FLAGS_VLAN (u32)(1 << 1)
91#define IXGBE_TX_FLAGS_TSO (u32)(1 << 2)
92#define IXGBE_TX_FLAGS_IPV4 (u32)(1 << 3)
93#define IXGBE_TX_FLAGS_FCOE (u32)(1 << 4)
94#define IXGBE_TX_FLAGS_FSO (u32)(1 << 5)
95#define IXGBE_TX_FLAGS_VLAN_MASK 0xffff0000
96#define IXGBE_TX_FLAGS_VLAN_PRIO_MASK 0x0000e000
97#define IXGBE_TX_FLAGS_VLAN_SHIFT 16
98
99#define IXGBE_MAX_RSC_INT_RATE 162760
100
101
102
103struct ixgbe_tx_buffer {
104 struct sk_buff *skb;
105 dma_addr_t dma;
106 unsigned long time_stamp;
107 u16 length;
108 u16 next_to_watch;
109};
110
111struct ixgbe_rx_buffer {
112 struct sk_buff *skb;
113 dma_addr_t dma;
114 struct page *page;
115 dma_addr_t page_dma;
116 unsigned int page_offset;
117};
118
119struct ixgbe_queue_stats {
120 u64 packets;
121 u64 bytes;
122};
123
124struct ixgbe_ring {
125 void *desc;
126 union {
127 struct ixgbe_tx_buffer *tx_buffer_info;
128 struct ixgbe_rx_buffer *rx_buffer_info;
129 };
130 u8 atr_sample_rate;
131 u8 atr_count;
132 u16 count;
133 u16 rx_buf_len;
134 u16 next_to_use;
135 u16 next_to_clean;
136
137 u8 queue_index;
138
139#define IXGBE_RING_RX_PS_ENABLED (u8)(1)
140 u8 flags;
141 u16 head;
142 u16 tail;
143
144 unsigned int total_bytes;
145 unsigned int total_packets;
146
147#ifdef CONFIG_IXGBE_DCA
148
149 int cpu;
150#endif
151
152 u16 work_limit;
153 u16 reg_idx;
154
155
156
157
158
159 struct ixgbe_queue_stats stats;
160 unsigned long reinit_state;
161 u64 rsc_count;
162
163 unsigned int size;
164 dma_addr_t dma;
165};
166
167enum ixgbe_ring_f_enum {
168 RING_F_NONE = 0,
169 RING_F_DCB,
170 RING_F_VMDQ,
171 RING_F_RSS,
172 RING_F_FDIR,
173#ifdef IXGBE_FCOE
174 RING_F_FCOE,
175#endif
176
177 RING_F_ARRAY_SIZE
178};
179
180#define IXGBE_MAX_DCB_INDICES 8
181#define IXGBE_MAX_RSS_INDICES 16
182#define IXGBE_MAX_VMDQ_INDICES 16
183#define IXGBE_MAX_FDIR_INDICES 64
184#ifdef IXGBE_FCOE
185#define IXGBE_MAX_FCOE_INDICES 8
186#endif
187struct ixgbe_ring_feature {
188 int indices;
189 int mask;
190};
191
192#define MAX_RX_QUEUES 128
193#define MAX_TX_QUEUES 128
194
195#define MAX_RX_PACKET_BUFFERS ((adapter->flags & IXGBE_FLAG_DCB_ENABLED) \
196 ? 8 : 1)
197#define MAX_TX_PACKET_BUFFERS MAX_RX_PACKET_BUFFERS
198
199
200
201
202struct ixgbe_q_vector {
203 struct ixgbe_adapter *adapter;
204 unsigned int v_idx;
205
206
207 struct napi_struct napi;
208 DECLARE_BITMAP(rxr_idx, MAX_RX_QUEUES);
209 DECLARE_BITMAP(txr_idx, MAX_TX_QUEUES);
210 u8 rxr_count;
211 u8 txr_count;
212 u8 tx_itr;
213 u8 rx_itr;
214 u32 eitr;
215};
216
217
218
219
220
221#define EITR_INTS_PER_SEC_TO_REG(_eitr) \
222 ((_eitr) ? (1000000000 / ((_eitr) * 256)) : 8)
223#define EITR_REG_TO_INTS_PER_SEC EITR_INTS_PER_SEC_TO_REG
224
225#define IXGBE_DESC_UNUSED(R) \
226 ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
227 (R)->next_to_clean - (R)->next_to_use - 1)
228
229#define IXGBE_RX_DESC_ADV(R, i) \
230 (&(((union ixgbe_adv_rx_desc *)((R).desc))[i]))
231#define IXGBE_TX_DESC_ADV(R, i) \
232 (&(((union ixgbe_adv_tx_desc *)((R).desc))[i]))
233#define IXGBE_TX_CTXTDESC_ADV(R, i) \
234 (&(((struct ixgbe_adv_tx_context_desc *)((R).desc))[i]))
235
236#define IXGBE_MAX_JUMBO_FRAME_SIZE 16128
237#ifdef IXGBE_FCOE
238
239#define IXGBE_FCOE_JUMBO_FRAME_SIZE 3072
240#endif
241
242#define OTHER_VECTOR 1
243#define NON_Q_VECTORS (OTHER_VECTOR)
244
245#define MAX_MSIX_VECTORS_82599 64
246#define MAX_MSIX_Q_VECTORS_82599 64
247#define MAX_MSIX_VECTORS_82598 18
248#define MAX_MSIX_Q_VECTORS_82598 16
249
250#define MAX_MSIX_Q_VECTORS MAX_MSIX_Q_VECTORS_82599
251#define MAX_MSIX_COUNT MAX_MSIX_VECTORS_82599
252
253#define MIN_MSIX_Q_VECTORS 2
254#define MIN_MSIX_COUNT (MIN_MSIX_Q_VECTORS + NON_Q_VECTORS)
255
256
257struct ixgbe_adapter {
258 struct timer_list watchdog_timer;
259 struct vlan_group *vlgrp;
260 u16 bd_number;
261 struct work_struct reset_task;
262 struct ixgbe_q_vector *q_vector[MAX_MSIX_Q_VECTORS];
263 char name[MAX_MSIX_COUNT][IFNAMSIZ + 9];
264 struct ixgbe_dcb_config dcb_cfg;
265 struct ixgbe_dcb_config temp_dcb_cfg;
266 u8 dcb_set_bitmap;
267 enum ixgbe_fc_mode last_lfc_mode;
268
269
270 u32 rx_itr_setting;
271 u32 tx_itr_setting;
272 u16 eitr_low;
273 u16 eitr_high;
274
275
276 struct ixgbe_ring *tx_ring;
277 int num_tx_queues;
278 u64 restart_queue;
279 u64 hw_csum_tx_good;
280 u64 lsc_int;
281 u64 hw_tso_ctxt;
282 u64 hw_tso6_ctxt;
283 u32 tx_timeout_count;
284 bool detect_tx_hung;
285
286
287 struct ixgbe_ring *rx_ring;
288 int num_rx_queues;
289 u64 hw_csum_rx_error;
290 u64 hw_rx_no_dma_resources;
291 u64 hw_csum_rx_good;
292 u64 non_eop_descs;
293 int num_msix_vectors;
294 int max_msix_q_vectors;
295 struct ixgbe_ring_feature ring_feature[RING_F_ARRAY_SIZE];
296 struct msix_entry *msix_entries;
297
298 u64 rx_hdr_split;
299 u32 alloc_rx_page_failed;
300 u32 alloc_rx_buff_failed;
301
302
303
304
305 u32 flags;
306#define IXGBE_FLAG_RX_CSUM_ENABLED (u32)(1)
307#define IXGBE_FLAG_MSI_CAPABLE (u32)(1 << 1)
308#define IXGBE_FLAG_MSI_ENABLED (u32)(1 << 2)
309#define IXGBE_FLAG_MSIX_CAPABLE (u32)(1 << 3)
310#define IXGBE_FLAG_MSIX_ENABLED (u32)(1 << 4)
311#define IXGBE_FLAG_RX_1BUF_CAPABLE (u32)(1 << 6)
312#define IXGBE_FLAG_RX_PS_CAPABLE (u32)(1 << 7)
313#define IXGBE_FLAG_RX_PS_ENABLED (u32)(1 << 8)
314#define IXGBE_FLAG_IN_NETPOLL (u32)(1 << 9)
315#define IXGBE_FLAG_DCA_ENABLED (u32)(1 << 10)
316#define IXGBE_FLAG_DCA_CAPABLE (u32)(1 << 11)
317#define IXGBE_FLAG_IMIR_ENABLED (u32)(1 << 12)
318#define IXGBE_FLAG_MQ_CAPABLE (u32)(1 << 13)
319#define IXGBE_FLAG_DCB_ENABLED (u32)(1 << 14)
320#define IXGBE_FLAG_RSS_ENABLED (u32)(1 << 16)
321#define IXGBE_FLAG_RSS_CAPABLE (u32)(1 << 17)
322#define IXGBE_FLAG_VMDQ_CAPABLE (u32)(1 << 18)
323#define IXGBE_FLAG_VMDQ_ENABLED (u32)(1 << 19)
324#define IXGBE_FLAG_FAN_FAIL_CAPABLE (u32)(1 << 20)
325#define IXGBE_FLAG_NEED_LINK_UPDATE (u32)(1 << 22)
326#define IXGBE_FLAG_IN_WATCHDOG_TASK (u32)(1 << 23)
327#define IXGBE_FLAG_IN_SFP_LINK_TASK (u32)(1 << 24)
328#define IXGBE_FLAG_IN_SFP_MOD_TASK (u32)(1 << 25)
329#define IXGBE_FLAG_FDIR_HASH_CAPABLE (u32)(1 << 26)
330#define IXGBE_FLAG_FDIR_PERFECT_CAPABLE (u32)(1 << 27)
331#define IXGBE_FLAG_FCOE_CAPABLE (u32)(1 << 28)
332#define IXGBE_FLAG_FCOE_ENABLED (u32)(1 << 29)
333
334 u32 flags2;
335#define IXGBE_FLAG2_RSC_CAPABLE (u32)(1)
336#define IXGBE_FLAG2_RSC_ENABLED (u32)(1 << 1)
337
338#define IXGBE_TRY_LINK_TIMEOUT (4 * HZ)
339
340
341 struct net_device *netdev;
342 struct pci_dev *pdev;
343 struct net_device_stats net_stats;
344
345 u32 test_icr;
346 struct ixgbe_ring test_tx_ring;
347 struct ixgbe_ring test_rx_ring;
348
349
350 struct ixgbe_hw hw;
351 u16 msg_enable;
352 struct ixgbe_hw_stats stats;
353
354
355 u32 rx_eitr_param;
356 u32 tx_eitr_param;
357
358 unsigned long state;
359 u64 tx_busy;
360 unsigned int tx_ring_count;
361 unsigned int rx_ring_count;
362
363 u32 link_speed;
364 bool link_up;
365 unsigned long link_check_timeout;
366
367 struct work_struct watchdog_task;
368 struct work_struct sfp_task;
369 struct timer_list sfp_timer;
370 struct work_struct multispeed_fiber_task;
371 struct work_struct sfp_config_module_task;
372 u32 fdir_pballoc;
373 u32 atr_sample_rate;
374 spinlock_t fdir_perfect_lock;
375 struct work_struct fdir_reinit_task;
376#ifdef IXGBE_FCOE
377 struct ixgbe_fcoe fcoe;
378#endif
379 u64 rsc_count;
380 u32 wol;
381 u16 eeprom_version;
382};
383
384enum ixbge_state_t {
385 __IXGBE_TESTING,
386 __IXGBE_RESETTING,
387 __IXGBE_DOWN,
388 __IXGBE_FDIR_INIT_DONE,
389 __IXGBE_SFP_MODULE_NOT_FOUND
390};
391
392enum ixgbe_boards {
393 board_82598,
394 board_82599,
395};
396
397extern struct ixgbe_info ixgbe_82598_info;
398extern struct ixgbe_info ixgbe_82599_info;
399#ifdef CONFIG_IXGBE_DCB
400extern struct dcbnl_rtnl_ops dcbnl_ops;
401extern int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *src_dcb_cfg,
402 struct ixgbe_dcb_config *dst_dcb_cfg,
403 int tc_max);
404#endif
405
406extern char ixgbe_driver_name[];
407extern const char ixgbe_driver_version[];
408
409extern int ixgbe_up(struct ixgbe_adapter *adapter);
410extern void ixgbe_down(struct ixgbe_adapter *adapter);
411extern void ixgbe_reinit_locked(struct ixgbe_adapter *adapter);
412extern void ixgbe_reset(struct ixgbe_adapter *adapter);
413extern void ixgbe_set_ethtool_ops(struct net_device *netdev);
414extern int ixgbe_setup_rx_resources(struct ixgbe_adapter *, struct ixgbe_ring *);
415extern int ixgbe_setup_tx_resources(struct ixgbe_adapter *, struct ixgbe_ring *);
416extern void ixgbe_free_rx_resources(struct ixgbe_adapter *, struct ixgbe_ring *);
417extern void ixgbe_free_tx_resources(struct ixgbe_adapter *, struct ixgbe_ring *);
418extern void ixgbe_update_stats(struct ixgbe_adapter *adapter);
419extern int ixgbe_init_interrupt_scheme(struct ixgbe_adapter *adapter);
420extern void ixgbe_clear_interrupt_scheme(struct ixgbe_adapter *adapter);
421extern void ixgbe_write_eitr(struct ixgbe_q_vector *);
422extern int ethtool_ioctl(struct ifreq *ifr);
423extern s32 ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw);
424extern s32 ixgbe_init_fdir_signature_82599(struct ixgbe_hw *hw, u32 pballoc);
425extern s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 pballoc);
426extern s32 ixgbe_fdir_add_signature_filter_82599(struct ixgbe_hw *hw,
427 struct ixgbe_atr_input *input,
428 u8 queue);
429extern s32 ixgbe_atr_set_vlan_id_82599(struct ixgbe_atr_input *input,
430 u16 vlan_id);
431extern s32 ixgbe_atr_set_src_ipv4_82599(struct ixgbe_atr_input *input,
432 u32 src_addr);
433extern s32 ixgbe_atr_set_dst_ipv4_82599(struct ixgbe_atr_input *input,
434 u32 dst_addr);
435extern s32 ixgbe_atr_set_src_port_82599(struct ixgbe_atr_input *input,
436 u16 src_port);
437extern s32 ixgbe_atr_set_dst_port_82599(struct ixgbe_atr_input *input,
438 u16 dst_port);
439extern s32 ixgbe_atr_set_flex_byte_82599(struct ixgbe_atr_input *input,
440 u16 flex_byte);
441extern s32 ixgbe_atr_set_l4type_82599(struct ixgbe_atr_input *input,
442 u8 l4type);
443#ifdef IXGBE_FCOE
444extern void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter);
445extern int ixgbe_fso(struct ixgbe_adapter *adapter,
446 struct ixgbe_ring *tx_ring, struct sk_buff *skb,
447 u32 tx_flags, u8 *hdr_len);
448extern void ixgbe_cleanup_fcoe(struct ixgbe_adapter *adapter);
449extern int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter,
450 union ixgbe_adv_rx_desc *rx_desc,
451 struct sk_buff *skb);
452extern int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid,
453 struct scatterlist *sgl, unsigned int sgc);
454extern int ixgbe_fcoe_ddp_put(struct net_device *netdev, u16 xid);
455extern int ixgbe_fcoe_enable(struct net_device *netdev);
456extern int ixgbe_fcoe_disable(struct net_device *netdev);
457#ifdef CONFIG_IXGBE_DCB
458extern u8 ixgbe_fcoe_getapp(struct ixgbe_adapter *adapter);
459extern u8 ixgbe_fcoe_setapp(struct ixgbe_adapter *adapter, u8 up);
460#endif
461#endif
462
463#endif
464