1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 1999 - 2018 Intel Corporation. */
3
4 #ifndef _IXGBE_H_
5 #define _IXGBE_H_
6
7 #include <linux/bitops.h>
8 #include <linux/types.h>
9 #include <linux/pci.h>
10 #include <linux/netdevice.h>
11 #include <linux/cpumask.h>
12 #include <linux/aer.h>
13 #include <linux/if_vlan.h>
14 #include <linux/jiffies.h>
15 #include <linux/phy.h>
16
17 #include <linux/timecounter.h>
18 #include <linux/net_tstamp.h>
19 #include <linux/ptp_clock_kernel.h>
20
21 #include "ixgbe_type.h"
22 #include "ixgbe_common.h"
23 #include "ixgbe_dcb.h"
24 #if IS_ENABLED(CONFIG_FCOE)
25 #define IXGBE_FCOE
26 #include "ixgbe_fcoe.h"
27 #endif /* IS_ENABLED(CONFIG_FCOE) */
28 #ifdef CONFIG_IXGBE_DCA
29 #include <linux/dca.h>
30 #endif
31 #include "ixgbe_ipsec.h"
32
33 #include <net/xdp.h>
34
35 /* common prefix used by pr_<> macros */
36 #undef pr_fmt
37 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
38
39 /* TX/RX descriptor defines */
40 #define IXGBE_DEFAULT_TXD 512
41 #define IXGBE_DEFAULT_TX_WORK 256
42 #define IXGBE_MAX_TXD_82598 4096
43 #define IXGBE_MAX_TXD_82599 8192
44 #define IXGBE_MAX_TXD_X540 8192
45 #define IXGBE_MAX_TXD_X550 32768
46 #define IXGBE_MIN_TXD 64
47
48 #if (PAGE_SIZE < 8192)
49 #define IXGBE_DEFAULT_RXD 512
50 #else
51 #define IXGBE_DEFAULT_RXD 128
52 #endif
53 #define IXGBE_MAX_RXD_82598 4096
54 #define IXGBE_MAX_RXD_82599 8192
55 #define IXGBE_MAX_RXD_X540 8192
56 #define IXGBE_MAX_RXD_X550 32768
57 #define IXGBE_MIN_RXD 64
58
59 /* flow control */
60 #define IXGBE_MIN_FCRTL 0x40
61 #define IXGBE_MAX_FCRTL 0x7FF80
62 #define IXGBE_MIN_FCRTH 0x600
63 #define IXGBE_MAX_FCRTH 0x7FFF0
64 #define IXGBE_DEFAULT_FCPAUSE 0xFFFF
65 #define IXGBE_MIN_FCPAUSE 0
66 #define IXGBE_MAX_FCPAUSE 0xFFFF
67
68 /* Supported Rx Buffer Sizes */
69 #define IXGBE_RXBUFFER_256 256 /* Used for skb receive header */
70 #define IXGBE_RXBUFFER_1536 1536
71 #define IXGBE_RXBUFFER_2K 2048
72 #define IXGBE_RXBUFFER_3K 3072
73 #define IXGBE_RXBUFFER_4K 4096
74 #define IXGBE_MAX_RXBUFFER 16384 /* largest size for a single descriptor */
75
76 #define IXGBE_PKT_HDR_PAD (ETH_HLEN + ETH_FCS_LEN + (VLAN_HLEN * 2))
77
78 /* Attempt to maximize the headroom available for incoming frames. We
79 * use a 2K buffer for receives and need 1536/1534 to store the data for
80 * the frame. This leaves us with 512 bytes of room. From that we need
81 * to deduct the space needed for the shared info and the padding needed
82 * to IP align the frame.
83 *
84 * Note: For cache line sizes 256 or larger this value is going to end
85 * up negative. In these cases we should fall back to the 3K
86 * buffers.
87 */
88 #if (PAGE_SIZE < 8192)
89 #define IXGBE_MAX_2K_FRAME_BUILD_SKB (IXGBE_RXBUFFER_1536 - NET_IP_ALIGN)
90 #define IXGBE_2K_TOO_SMALL_WITH_PADDING \
91 ((NET_SKB_PAD + IXGBE_RXBUFFER_1536) > SKB_WITH_OVERHEAD(IXGBE_RXBUFFER_2K))
92
ixgbe_compute_pad(int rx_buf_len)93 static inline int ixgbe_compute_pad(int rx_buf_len)
94 {
95 int page_size, pad_size;
96
97 page_size = ALIGN(rx_buf_len, PAGE_SIZE / 2);
98 pad_size = SKB_WITH_OVERHEAD(page_size) - rx_buf_len;
99
100 return pad_size;
101 }
102
ixgbe_skb_pad(void)103 static inline int ixgbe_skb_pad(void)
104 {
105 int rx_buf_len;
106
107 /* If a 2K buffer cannot handle a standard Ethernet frame then
108 * optimize padding for a 3K buffer instead of a 1.5K buffer.
109 *
110 * For a 3K buffer we need to add enough padding to allow for
111 * tailroom due to NET_IP_ALIGN possibly shifting us out of
112 * cache-line alignment.
113 */
114 if (IXGBE_2K_TOO_SMALL_WITH_PADDING)
115 rx_buf_len = IXGBE_RXBUFFER_3K + SKB_DATA_ALIGN(NET_IP_ALIGN);
116 else
117 rx_buf_len = IXGBE_RXBUFFER_1536;
118
119 /* if needed make room for NET_IP_ALIGN */
120 rx_buf_len -= NET_IP_ALIGN;
121
122 return ixgbe_compute_pad(rx_buf_len);
123 }
124
125 #define IXGBE_SKB_PAD ixgbe_skb_pad()
126 #else
127 #define IXGBE_SKB_PAD (NET_SKB_PAD + NET_IP_ALIGN)
128 #endif
129
130 /*
131 * NOTE: netdev_alloc_skb reserves up to 64 bytes, NET_IP_ALIGN means we
132 * reserve 64 more, and skb_shared_info adds an additional 320 bytes more,
133 * this adds up to 448 bytes of extra data.
134 *
135 * Since netdev_alloc_skb now allocates a page fragment we can use a value
136 * of 256 and the resultant skb will have a truesize of 960 or less.
137 */
138 #define IXGBE_RX_HDR_SIZE IXGBE_RXBUFFER_256
139
140 /* How many Rx Buffers do we bundle into one write to the hardware ? */
141 #define IXGBE_RX_BUFFER_WRITE 16 /* Must be power of 2 */
142
143 #define IXGBE_RX_DMA_ATTR \
144 (DMA_ATTR_SKIP_CPU_SYNC | DMA_ATTR_WEAK_ORDERING)
145
146 enum ixgbe_tx_flags {
147 /* cmd_type flags */
148 IXGBE_TX_FLAGS_HW_VLAN = 0x01,
149 IXGBE_TX_FLAGS_TSO = 0x02,
150 IXGBE_TX_FLAGS_TSTAMP = 0x04,
151
152 /* olinfo flags */
153 IXGBE_TX_FLAGS_CC = 0x08,
154 IXGBE_TX_FLAGS_IPV4 = 0x10,
155 IXGBE_TX_FLAGS_CSUM = 0x20,
156 IXGBE_TX_FLAGS_IPSEC = 0x40,
157
158 /* software defined flags */
159 IXGBE_TX_FLAGS_SW_VLAN = 0x80,
160 IXGBE_TX_FLAGS_FCOE = 0x100,
161 };
162
163 /* VLAN info */
164 #define IXGBE_TX_FLAGS_VLAN_MASK 0xffff0000
165 #define IXGBE_TX_FLAGS_VLAN_PRIO_MASK 0xe0000000
166 #define IXGBE_TX_FLAGS_VLAN_PRIO_SHIFT 29
167 #define IXGBE_TX_FLAGS_VLAN_SHIFT 16
168
169 #define IXGBE_MAX_VF_MC_ENTRIES 30
170 #define IXGBE_MAX_VF_FUNCTIONS 64
171 #define IXGBE_MAX_VFTA_ENTRIES 128
172 #define MAX_EMULATION_MAC_ADDRS 16
173 #define IXGBE_MAX_PF_MACVLANS 15
174 #define VMDQ_P(p) ((p) + adapter->ring_feature[RING_F_VMDQ].offset)
175 #define IXGBE_82599_VF_DEVICE_ID 0x10ED
176 #define IXGBE_X540_VF_DEVICE_ID 0x1515
177
178 #define UPDATE_VF_COUNTER_32bit(reg, last_counter, counter) \
179 { \
180 u32 current_counter = IXGBE_READ_REG(hw, reg); \
181 if (current_counter < last_counter) \
182 counter += 0x100000000LL; \
183 last_counter = current_counter; \
184 counter &= 0xFFFFFFFF00000000LL; \
185 counter |= current_counter; \
186 }
187
188 #define UPDATE_VF_COUNTER_36bit(reg_lsb, reg_msb, last_counter, counter) \
189 { \
190 u64 current_counter_lsb = IXGBE_READ_REG(hw, reg_lsb); \
191 u64 current_counter_msb = IXGBE_READ_REG(hw, reg_msb); \
192 u64 current_counter = (current_counter_msb << 32) | \
193 current_counter_lsb; \
194 if (current_counter < last_counter) \
195 counter += 0x1000000000LL; \
196 last_counter = current_counter; \
197 counter &= 0xFFFFFFF000000000LL; \
198 counter |= current_counter; \
199 }
200
201 struct vf_stats {
202 u64 gprc;
203 u64 gorc;
204 u64 gptc;
205 u64 gotc;
206 u64 mprc;
207 };
208
209 struct vf_data_storage {
210 struct pci_dev *vfdev;
211 unsigned char vf_mac_addresses[ETH_ALEN];
212 u16 vf_mc_hashes[IXGBE_MAX_VF_MC_ENTRIES];
213 u16 num_vf_mc_hashes;
214 bool clear_to_send;
215 struct vf_stats vfstats;
216 struct vf_stats last_vfstats;
217 struct vf_stats saved_rst_vfstats;
218 bool pf_set_mac;
219 u16 pf_vlan; /* When set, guest VLAN config not allowed. */
220 u16 pf_qos;
221 u16 tx_rate;
222 int link_enable;
223 int link_state;
224 u8 spoofchk_enabled;
225 bool rss_query_enabled;
226 u8 trusted;
227 int xcast_mode;
228 unsigned int vf_api;
229 u8 primary_abort_count;
230 };
231
232 enum ixgbevf_xcast_modes {
233 IXGBEVF_XCAST_MODE_NONE = 0,
234 IXGBEVF_XCAST_MODE_MULTI,
235 IXGBEVF_XCAST_MODE_ALLMULTI,
236 IXGBEVF_XCAST_MODE_PROMISC,
237 };
238
239 struct vf_macvlans {
240 struct list_head l;
241 int vf;
242 bool free;
243 bool is_macvlan;
244 u8 vf_macvlan[ETH_ALEN];
245 };
246
247 #define IXGBE_MAX_TXD_PWR 14
248 #define IXGBE_MAX_DATA_PER_TXD (1u << IXGBE_MAX_TXD_PWR)
249
250 /* Tx Descriptors needed, worst case */
251 #define TXD_USE_COUNT(S) DIV_ROUND_UP((S), IXGBE_MAX_DATA_PER_TXD)
252 #define DESC_NEEDED (MAX_SKB_FRAGS + 4)
253
254 /* wrapper around a pointer to a socket buffer,
255 * so a DMA handle can be stored along with the buffer */
256 struct ixgbe_tx_buffer {
257 union ixgbe_adv_tx_desc *next_to_watch;
258 unsigned long time_stamp;
259 union {
260 struct sk_buff *skb;
261 struct xdp_frame *xdpf;
262 };
263 unsigned int bytecount;
264 unsigned short gso_segs;
265 __be16 protocol;
266 DEFINE_DMA_UNMAP_ADDR(dma);
267 DEFINE_DMA_UNMAP_LEN(len);
268 u32 tx_flags;
269 };
270
271 struct ixgbe_rx_buffer {
272 union {
273 struct {
274 struct sk_buff *skb;
275 dma_addr_t dma;
276 struct page *page;
277 __u32 page_offset;
278 __u16 pagecnt_bias;
279 };
280 struct {
281 bool discard;
282 struct xdp_buff *xdp;
283 };
284 };
285 };
286
287 struct ixgbe_queue_stats {
288 u64 packets;
289 u64 bytes;
290 };
291
292 struct ixgbe_tx_queue_stats {
293 u64 restart_queue;
294 u64 tx_busy;
295 u64 tx_done_old;
296 };
297
298 struct ixgbe_rx_queue_stats {
299 u64 rsc_count;
300 u64 rsc_flush;
301 u64 non_eop_descs;
302 u64 alloc_rx_page;
303 u64 alloc_rx_page_failed;
304 u64 alloc_rx_buff_failed;
305 u64 csum_err;
306 };
307
308 #define IXGBE_TS_HDR_LEN 8
309
310 enum ixgbe_ring_state_t {
311 __IXGBE_RX_3K_BUFFER,
312 __IXGBE_RX_BUILD_SKB_ENABLED,
313 __IXGBE_RX_RSC_ENABLED,
314 __IXGBE_RX_CSUM_UDP_ZERO_ERR,
315 __IXGBE_RX_FCOE,
316 __IXGBE_TX_FDIR_INIT_DONE,
317 __IXGBE_TX_XPS_INIT_DONE,
318 __IXGBE_TX_DETECT_HANG,
319 __IXGBE_HANG_CHECK_ARMED,
320 __IXGBE_TX_XDP_RING,
321 __IXGBE_TX_DISABLED,
322 };
323
324 #define ring_uses_build_skb(ring) \
325 test_bit(__IXGBE_RX_BUILD_SKB_ENABLED, &(ring)->state)
326
327 struct ixgbe_fwd_adapter {
328 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
329 struct net_device *netdev;
330 unsigned int tx_base_queue;
331 unsigned int rx_base_queue;
332 int pool;
333 };
334
335 #define check_for_tx_hang(ring) \
336 test_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state)
337 #define set_check_for_tx_hang(ring) \
338 set_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state)
339 #define clear_check_for_tx_hang(ring) \
340 clear_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state)
341 #define ring_is_rsc_enabled(ring) \
342 test_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state)
343 #define set_ring_rsc_enabled(ring) \
344 set_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state)
345 #define clear_ring_rsc_enabled(ring) \
346 clear_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state)
347 #define ring_is_xdp(ring) \
348 test_bit(__IXGBE_TX_XDP_RING, &(ring)->state)
349 #define set_ring_xdp(ring) \
350 set_bit(__IXGBE_TX_XDP_RING, &(ring)->state)
351 #define clear_ring_xdp(ring) \
352 clear_bit(__IXGBE_TX_XDP_RING, &(ring)->state)
353 struct ixgbe_ring {
354 struct ixgbe_ring *next; /* pointer to next ring in q_vector */
355 struct ixgbe_q_vector *q_vector; /* backpointer to host q_vector */
356 struct net_device *netdev; /* netdev ring belongs to */
357 struct bpf_prog *xdp_prog;
358 struct device *dev; /* device for DMA mapping */
359 void *desc; /* descriptor ring memory */
360 union {
361 struct ixgbe_tx_buffer *tx_buffer_info;
362 struct ixgbe_rx_buffer *rx_buffer_info;
363 };
364 unsigned long state;
365 u8 __iomem *tail;
366 dma_addr_t dma; /* phys. address of descriptor ring */
367 unsigned int size; /* length in bytes */
368
369 u16 count; /* amount of descriptors */
370
371 u8 queue_index; /* needed for multiqueue queue management */
372 u8 reg_idx; /* holds the special value that gets
373 * the hardware register offset
374 * associated with this ring, which is
375 * different for DCB and RSS modes
376 */
377 u16 next_to_use;
378 u16 next_to_clean;
379
380 unsigned long last_rx_timestamp;
381
382 union {
383 u16 next_to_alloc;
384 struct {
385 u8 atr_sample_rate;
386 u8 atr_count;
387 };
388 };
389
390 u8 dcb_tc;
391 struct ixgbe_queue_stats stats;
392 struct u64_stats_sync syncp;
393 union {
394 struct ixgbe_tx_queue_stats tx_stats;
395 struct ixgbe_rx_queue_stats rx_stats;
396 };
397 u16 rx_offset;
398 struct xdp_rxq_info xdp_rxq;
399 spinlock_t tx_lock; /* used in XDP mode */
400 struct xsk_buff_pool *xsk_pool;
401 u16 ring_idx; /* {rx,tx,xdp}_ring back reference idx */
402 u16 rx_buf_len;
403 } ____cacheline_internodealigned_in_smp;
404
405 enum ixgbe_ring_f_enum {
406 RING_F_NONE = 0,
407 RING_F_VMDQ, /* SR-IOV uses the same ring feature */
408 RING_F_RSS,
409 RING_F_FDIR,
410 #ifdef IXGBE_FCOE
411 RING_F_FCOE,
412 #endif /* IXGBE_FCOE */
413
414 RING_F_ARRAY_SIZE /* must be last in enum set */
415 };
416
417 #define IXGBE_MAX_RSS_INDICES 16
418 #define IXGBE_MAX_RSS_INDICES_X550 63
419 #define IXGBE_MAX_VMDQ_INDICES 64
420 #define IXGBE_MAX_FDIR_INDICES 63 /* based on q_vector limit */
421 #define IXGBE_MAX_FCOE_INDICES 8
422 #define MAX_RX_QUEUES (IXGBE_MAX_FDIR_INDICES + 1)
423 #define MAX_TX_QUEUES (IXGBE_MAX_FDIR_INDICES + 1)
424 #define IXGBE_MAX_XDP_QS (IXGBE_MAX_FDIR_INDICES + 1)
425 #define IXGBE_MAX_L2A_QUEUES 4
426 #define IXGBE_BAD_L2A_QUEUE 3
427 #define IXGBE_MAX_MACVLANS 63
428
429 DECLARE_STATIC_KEY_FALSE(ixgbe_xdp_locking_key);
430
431 struct ixgbe_ring_feature {
432 u16 limit; /* upper limit on feature indices */
433 u16 indices; /* current value of indices */
434 u16 mask; /* Mask used for feature to ring mapping */
435 u16 offset; /* offset to start of feature */
436 } ____cacheline_internodealigned_in_smp;
437
438 #define IXGBE_82599_VMDQ_8Q_MASK 0x78
439 #define IXGBE_82599_VMDQ_4Q_MASK 0x7C
440 #define IXGBE_82599_VMDQ_2Q_MASK 0x7E
441
442 /*
443 * FCoE requires that all Rx buffers be over 2200 bytes in length. Since
444 * this is twice the size of a half page we need to double the page order
445 * for FCoE enabled Rx queues.
446 */
ixgbe_rx_bufsz(struct ixgbe_ring * ring)447 static inline unsigned int ixgbe_rx_bufsz(struct ixgbe_ring *ring)
448 {
449 if (test_bit(__IXGBE_RX_3K_BUFFER, &ring->state))
450 return IXGBE_RXBUFFER_3K;
451 #if (PAGE_SIZE < 8192)
452 if (ring_uses_build_skb(ring))
453 return IXGBE_MAX_2K_FRAME_BUILD_SKB;
454 #endif
455 return IXGBE_RXBUFFER_2K;
456 }
457
ixgbe_rx_pg_order(struct ixgbe_ring * ring)458 static inline unsigned int ixgbe_rx_pg_order(struct ixgbe_ring *ring)
459 {
460 #if (PAGE_SIZE < 8192)
461 if (test_bit(__IXGBE_RX_3K_BUFFER, &ring->state))
462 return 1;
463 #endif
464 return 0;
465 }
466 #define ixgbe_rx_pg_size(_ring) (PAGE_SIZE << ixgbe_rx_pg_order(_ring))
467
468 #define IXGBE_ITR_ADAPTIVE_MIN_INC 2
469 #define IXGBE_ITR_ADAPTIVE_MIN_USECS 10
470 #define IXGBE_ITR_ADAPTIVE_MAX_USECS 126
471 #define IXGBE_ITR_ADAPTIVE_LATENCY 0x80
472 #define IXGBE_ITR_ADAPTIVE_BULK 0x00
473
474 struct ixgbe_ring_container {
475 struct ixgbe_ring *ring; /* pointer to linked list of rings */
476 unsigned long next_update; /* jiffies value of last update */
477 unsigned int total_bytes; /* total bytes processed this int */
478 unsigned int total_packets; /* total packets processed this int */
479 u16 work_limit; /* total work allowed per interrupt */
480 u8 count; /* total number of rings in vector */
481 u8 itr; /* current ITR setting for ring */
482 };
483
484 /* iterator for handling rings in ring container */
485 #define ixgbe_for_each_ring(pos, head) \
486 for (pos = (head).ring; pos != NULL; pos = pos->next)
487
488 #define MAX_RX_PACKET_BUFFERS ((adapter->flags & IXGBE_FLAG_DCB_ENABLED) \
489 ? 8 : 1)
490 #define MAX_TX_PACKET_BUFFERS MAX_RX_PACKET_BUFFERS
491
492 /* MAX_Q_VECTORS of these are allocated,
493 * but we only use one per queue-specific vector.
494 */
495 struct ixgbe_q_vector {
496 struct ixgbe_adapter *adapter;
497 #ifdef CONFIG_IXGBE_DCA
498 int cpu; /* CPU for DCA */
499 #endif
500 u16 v_idx; /* index of q_vector within array, also used for
501 * finding the bit in EICR and friends that
502 * represents the vector for this ring */
503 u16 itr; /* Interrupt throttle rate written to EITR */
504 struct ixgbe_ring_container rx, tx;
505
506 struct napi_struct napi;
507 cpumask_t affinity_mask;
508 int numa_node;
509 struct rcu_head rcu; /* to avoid race with update stats on free */
510 char name[IFNAMSIZ + 9];
511
512 /* for dynamic allocation of rings associated with this q_vector */
513 struct ixgbe_ring ring[] ____cacheline_internodealigned_in_smp;
514 };
515
516 #ifdef CONFIG_IXGBE_HWMON
517
518 #define IXGBE_HWMON_TYPE_LOC 0
519 #define IXGBE_HWMON_TYPE_TEMP 1
520 #define IXGBE_HWMON_TYPE_CAUTION 2
521 #define IXGBE_HWMON_TYPE_MAX 3
522
523 struct hwmon_attr {
524 struct device_attribute dev_attr;
525 struct ixgbe_hw *hw;
526 struct ixgbe_thermal_diode_data *sensor;
527 char name[12];
528 };
529
530 struct hwmon_buff {
531 struct attribute_group group;
532 const struct attribute_group *groups[2];
533 struct attribute *attrs[IXGBE_MAX_SENSORS * 4 + 1];
534 struct hwmon_attr hwmon_list[IXGBE_MAX_SENSORS * 4];
535 unsigned int n_hwmon;
536 };
537 #endif /* CONFIG_IXGBE_HWMON */
538
539 /*
540 * microsecond values for various ITR rates shifted by 2 to fit itr register
541 * with the first 3 bits reserved 0
542 */
543 #define IXGBE_MIN_RSC_ITR 24
544 #define IXGBE_100K_ITR 40
545 #define IXGBE_20K_ITR 200
546 #define IXGBE_12K_ITR 336
547
548 /* ixgbe_test_staterr - tests bits in Rx descriptor status and error fields */
ixgbe_test_staterr(union ixgbe_adv_rx_desc * rx_desc,const u32 stat_err_bits)549 static inline __le32 ixgbe_test_staterr(union ixgbe_adv_rx_desc *rx_desc,
550 const u32 stat_err_bits)
551 {
552 return rx_desc->wb.upper.status_error & cpu_to_le32(stat_err_bits);
553 }
554
ixgbe_desc_unused(struct ixgbe_ring * ring)555 static inline u16 ixgbe_desc_unused(struct ixgbe_ring *ring)
556 {
557 u16 ntc = ring->next_to_clean;
558 u16 ntu = ring->next_to_use;
559
560 return ((ntc > ntu) ? 0 : ring->count) + ntc - ntu - 1;
561 }
562
563 #define IXGBE_RX_DESC(R, i) \
564 (&(((union ixgbe_adv_rx_desc *)((R)->desc))[i]))
565 #define IXGBE_TX_DESC(R, i) \
566 (&(((union ixgbe_adv_tx_desc *)((R)->desc))[i]))
567 #define IXGBE_TX_CTXTDESC(R, i) \
568 (&(((struct ixgbe_adv_tx_context_desc *)((R)->desc))[i]))
569
570 #define IXGBE_MAX_JUMBO_FRAME_SIZE 9728 /* Maximum Supported Size 9.5KB */
571 #ifdef IXGBE_FCOE
572 /* Use 3K as the baby jumbo frame size for FCoE */
573 #define IXGBE_FCOE_JUMBO_FRAME_SIZE 3072
574 #endif /* IXGBE_FCOE */
575
576 #define OTHER_VECTOR 1
577 #define NON_Q_VECTORS (OTHER_VECTOR)
578
579 #define MAX_MSIX_VECTORS_82599 64
580 #define MAX_Q_VECTORS_82599 64
581 #define MAX_MSIX_VECTORS_82598 18
582 #define MAX_Q_VECTORS_82598 16
583
584 struct ixgbe_mac_addr {
585 u8 addr[ETH_ALEN];
586 u16 pool;
587 u16 state; /* bitmask */
588 };
589
590 #define IXGBE_MAC_STATE_DEFAULT 0x1
591 #define IXGBE_MAC_STATE_MODIFIED 0x2
592 #define IXGBE_MAC_STATE_IN_USE 0x4
593
594 #define MAX_Q_VECTORS MAX_Q_VECTORS_82599
595 #define MAX_MSIX_COUNT MAX_MSIX_VECTORS_82599
596
597 #define MIN_MSIX_Q_VECTORS 1
598 #define MIN_MSIX_COUNT (MIN_MSIX_Q_VECTORS + NON_Q_VECTORS)
599
600 /* default to trying for four seconds */
601 #define IXGBE_TRY_LINK_TIMEOUT (4 * HZ)
602 #define IXGBE_SFP_POLL_JIFFIES (2 * HZ) /* SFP poll every 2 seconds */
603
604 #define IXGBE_PRIMARY_ABORT_LIMIT 5
605
606 /* board specific private data structure */
607 struct ixgbe_adapter {
608 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
609 /* OS defined structs */
610 struct net_device *netdev;
611 struct bpf_prog *xdp_prog;
612 struct pci_dev *pdev;
613 struct mii_bus *mii_bus;
614
615 unsigned long state;
616
617 /* Some features need tri-state capability,
618 * thus the additional *_CAPABLE flags.
619 */
620 u32 flags;
621 #define IXGBE_FLAG_MSI_ENABLED BIT(1)
622 #define IXGBE_FLAG_MSIX_ENABLED BIT(3)
623 #define IXGBE_FLAG_RX_1BUF_CAPABLE BIT(4)
624 #define IXGBE_FLAG_RX_PS_CAPABLE BIT(5)
625 #define IXGBE_FLAG_RX_PS_ENABLED BIT(6)
626 #define IXGBE_FLAG_DCA_ENABLED BIT(8)
627 #define IXGBE_FLAG_DCA_CAPABLE BIT(9)
628 #define IXGBE_FLAG_IMIR_ENABLED BIT(10)
629 #define IXGBE_FLAG_MQ_CAPABLE BIT(11)
630 #define IXGBE_FLAG_DCB_ENABLED BIT(12)
631 #define IXGBE_FLAG_VMDQ_CAPABLE BIT(13)
632 #define IXGBE_FLAG_VMDQ_ENABLED BIT(14)
633 #define IXGBE_FLAG_FAN_FAIL_CAPABLE BIT(15)
634 #define IXGBE_FLAG_NEED_LINK_UPDATE BIT(16)
635 #define IXGBE_FLAG_NEED_LINK_CONFIG BIT(17)
636 #define IXGBE_FLAG_FDIR_HASH_CAPABLE BIT(18)
637 #define IXGBE_FLAG_FDIR_PERFECT_CAPABLE BIT(19)
638 #define IXGBE_FLAG_FCOE_CAPABLE BIT(20)
639 #define IXGBE_FLAG_FCOE_ENABLED BIT(21)
640 #define IXGBE_FLAG_SRIOV_CAPABLE BIT(22)
641 #define IXGBE_FLAG_SRIOV_ENABLED BIT(23)
642 #define IXGBE_FLAG_RX_HWTSTAMP_ENABLED BIT(25)
643 #define IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER BIT(26)
644 #define IXGBE_FLAG_DCB_CAPABLE BIT(27)
645
646 u32 flags2;
647 #define IXGBE_FLAG2_RSC_CAPABLE BIT(0)
648 #define IXGBE_FLAG2_RSC_ENABLED BIT(1)
649 #define IXGBE_FLAG2_TEMP_SENSOR_CAPABLE BIT(2)
650 #define IXGBE_FLAG2_TEMP_SENSOR_EVENT BIT(3)
651 #define IXGBE_FLAG2_SEARCH_FOR_SFP BIT(4)
652 #define IXGBE_FLAG2_SFP_NEEDS_RESET BIT(5)
653 #define IXGBE_FLAG2_FDIR_REQUIRES_REINIT BIT(7)
654 #define IXGBE_FLAG2_RSS_FIELD_IPV4_UDP BIT(8)
655 #define IXGBE_FLAG2_RSS_FIELD_IPV6_UDP BIT(9)
656 #define IXGBE_FLAG2_PTP_PPS_ENABLED BIT(10)
657 #define IXGBE_FLAG2_PHY_INTERRUPT BIT(11)
658 #define IXGBE_FLAG2_VLAN_PROMISC BIT(13)
659 #define IXGBE_FLAG2_EEE_CAPABLE BIT(14)
660 #define IXGBE_FLAG2_EEE_ENABLED BIT(15)
661 #define IXGBE_FLAG2_RX_LEGACY BIT(16)
662 #define IXGBE_FLAG2_IPSEC_ENABLED BIT(17)
663 #define IXGBE_FLAG2_VF_IPSEC_ENABLED BIT(18)
664 #define IXGBE_FLAG2_AUTO_DISABLE_VF BIT(19)
665
666 /* Tx fast path data */
667 int num_tx_queues;
668 u16 tx_itr_setting;
669 u16 tx_work_limit;
670 u64 tx_ipsec;
671
672 /* Rx fast path data */
673 int num_rx_queues;
674 u16 rx_itr_setting;
675 u64 rx_ipsec;
676
677 /* Port number used to identify VXLAN traffic */
678 __be16 vxlan_port;
679 __be16 geneve_port;
680
681 /* XDP */
682 int num_xdp_queues;
683 struct ixgbe_ring *xdp_ring[IXGBE_MAX_XDP_QS];
684 unsigned long *af_xdp_zc_qps; /* tracks AF_XDP ZC enabled rings */
685
686 /* TX */
687 struct ixgbe_ring *tx_ring[MAX_TX_QUEUES] ____cacheline_aligned_in_smp;
688
689 u64 restart_queue;
690 u64 lsc_int;
691 u32 tx_timeout_count;
692
693 /* RX */
694 struct ixgbe_ring *rx_ring[MAX_RX_QUEUES];
695 int num_rx_pools; /* == num_rx_queues in 82598 */
696 int num_rx_queues_per_pool; /* 1 if 82598, can be many if 82599 */
697 u64 hw_csum_rx_error;
698 u64 hw_rx_no_dma_resources;
699 u64 rsc_total_count;
700 u64 rsc_total_flush;
701 u64 non_eop_descs;
702 u32 alloc_rx_page;
703 u32 alloc_rx_page_failed;
704 u32 alloc_rx_buff_failed;
705
706 struct ixgbe_q_vector *q_vector[MAX_Q_VECTORS];
707
708 /* DCB parameters */
709 struct ieee_pfc *ixgbe_ieee_pfc;
710 struct ieee_ets *ixgbe_ieee_ets;
711 struct ixgbe_dcb_config dcb_cfg;
712 struct ixgbe_dcb_config temp_dcb_cfg;
713 u8 hw_tcs;
714 u8 dcb_set_bitmap;
715 u8 dcbx_cap;
716 enum ixgbe_fc_mode last_lfc_mode;
717
718 int num_q_vectors; /* current number of q_vectors for device */
719 int max_q_vectors; /* true count of q_vectors for device */
720 struct ixgbe_ring_feature ring_feature[RING_F_ARRAY_SIZE];
721 struct msix_entry *msix_entries;
722
723 u32 test_icr;
724 struct ixgbe_ring test_tx_ring;
725 struct ixgbe_ring test_rx_ring;
726
727 /* structs defined in ixgbe_hw.h */
728 struct ixgbe_hw hw;
729 u16 msg_enable;
730 struct ixgbe_hw_stats stats;
731
732 u64 tx_busy;
733 unsigned int tx_ring_count;
734 unsigned int xdp_ring_count;
735 unsigned int rx_ring_count;
736
737 u32 link_speed;
738 bool link_up;
739 unsigned long sfp_poll_time;
740 unsigned long link_check_timeout;
741
742 struct timer_list service_timer;
743 struct work_struct service_task;
744
745 struct hlist_head fdir_filter_list;
746 unsigned long fdir_overflow; /* number of times ATR was backed off */
747 union ixgbe_atr_input fdir_mask;
748 int fdir_filter_count;
749 u32 fdir_pballoc;
750 u32 atr_sample_rate;
751 spinlock_t fdir_perfect_lock;
752
753 #ifdef IXGBE_FCOE
754 struct ixgbe_fcoe fcoe;
755 #endif /* IXGBE_FCOE */
756 u8 __iomem *io_addr; /* Mainly for iounmap use */
757 u32 wol;
758
759 u16 bridge_mode;
760
761 char eeprom_id[NVM_VER_SIZE];
762 u16 eeprom_cap;
763
764 u32 interrupt_event;
765 u32 led_reg;
766
767 struct ptp_clock *ptp_clock;
768 struct ptp_clock_info ptp_caps;
769 struct work_struct ptp_tx_work;
770 struct sk_buff *ptp_tx_skb;
771 struct hwtstamp_config tstamp_config;
772 unsigned long ptp_tx_start;
773 unsigned long last_overflow_check;
774 unsigned long last_rx_ptp_check;
775 unsigned long last_rx_timestamp;
776 spinlock_t tmreg_lock;
777 struct cyclecounter hw_cc;
778 struct timecounter hw_tc;
779 u32 base_incval;
780 u32 tx_hwtstamp_timeouts;
781 u32 tx_hwtstamp_skipped;
782 u32 rx_hwtstamp_cleared;
783 void (*ptp_setup_sdp)(struct ixgbe_adapter *);
784
785 /* SR-IOV */
786 DECLARE_BITMAP(active_vfs, IXGBE_MAX_VF_FUNCTIONS);
787 unsigned int num_vfs;
788 struct vf_data_storage *vfinfo;
789 int vf_rate_link_speed;
790 struct vf_macvlans vf_mvs;
791 struct vf_macvlans *mv_list;
792
793 u32 timer_event_accumulator;
794 u32 vferr_refcount;
795 struct ixgbe_mac_addr *mac_table;
796 struct kobject *info_kobj;
797 #ifdef CONFIG_IXGBE_HWMON
798 struct hwmon_buff *ixgbe_hwmon_buff;
799 #endif /* CONFIG_IXGBE_HWMON */
800 #ifdef CONFIG_DEBUG_FS
801 struct dentry *ixgbe_dbg_adapter;
802 #endif /*CONFIG_DEBUG_FS*/
803
804 u8 default_up;
805 /* Bitmask indicating in use pools */
806 DECLARE_BITMAP(fwd_bitmask, IXGBE_MAX_MACVLANS + 1);
807
808 #define IXGBE_MAX_LINK_HANDLE 10
809 struct ixgbe_jump_table *jump_tables[IXGBE_MAX_LINK_HANDLE];
810 unsigned long tables;
811
812 /* maximum number of RETA entries among all devices supported by ixgbe
813 * driver: currently it's x550 device in non-SRIOV mode
814 */
815 #define IXGBE_MAX_RETA_ENTRIES 512
816 u8 rss_indir_tbl[IXGBE_MAX_RETA_ENTRIES];
817
818 #define IXGBE_RSS_KEY_SIZE 40 /* size of RSS Hash Key in bytes */
819 u32 *rss_key;
820
821 #ifdef CONFIG_IXGBE_IPSEC
822 struct ixgbe_ipsec *ipsec;
823 #endif /* CONFIG_IXGBE_IPSEC */
824 spinlock_t vfs_lock;
825 };
826
ixgbe_determine_xdp_q_idx(int cpu)827 static inline int ixgbe_determine_xdp_q_idx(int cpu)
828 {
829 if (static_key_enabled(&ixgbe_xdp_locking_key))
830 return cpu % IXGBE_MAX_XDP_QS;
831 else
832 return cpu;
833 }
834
835 static inline
ixgbe_determine_xdp_ring(struct ixgbe_adapter * adapter)836 struct ixgbe_ring *ixgbe_determine_xdp_ring(struct ixgbe_adapter *adapter)
837 {
838 int index = ixgbe_determine_xdp_q_idx(smp_processor_id());
839
840 return adapter->xdp_ring[index];
841 }
842
ixgbe_max_rss_indices(struct ixgbe_adapter * adapter)843 static inline u8 ixgbe_max_rss_indices(struct ixgbe_adapter *adapter)
844 {
845 switch (adapter->hw.mac.type) {
846 case ixgbe_mac_82598EB:
847 case ixgbe_mac_82599EB:
848 case ixgbe_mac_X540:
849 return IXGBE_MAX_RSS_INDICES;
850 case ixgbe_mac_X550:
851 case ixgbe_mac_X550EM_x:
852 case ixgbe_mac_x550em_a:
853 return IXGBE_MAX_RSS_INDICES_X550;
854 default:
855 return 0;
856 }
857 }
858
859 struct ixgbe_fdir_filter {
860 struct hlist_node fdir_node;
861 union ixgbe_atr_input filter;
862 u16 sw_idx;
863 u64 action;
864 };
865
866 enum ixgbe_state_t {
867 __IXGBE_TESTING,
868 __IXGBE_RESETTING,
869 __IXGBE_DOWN,
870 __IXGBE_DISABLED,
871 __IXGBE_REMOVING,
872 __IXGBE_SERVICE_SCHED,
873 __IXGBE_SERVICE_INITED,
874 __IXGBE_IN_SFP_INIT,
875 __IXGBE_PTP_RUNNING,
876 __IXGBE_PTP_TX_IN_PROGRESS,
877 __IXGBE_RESET_REQUESTED,
878 };
879
880 struct ixgbe_cb {
881 union { /* Union defining head/tail partner */
882 struct sk_buff *head;
883 struct sk_buff *tail;
884 };
885 dma_addr_t dma;
886 u16 append_cnt;
887 bool page_released;
888 };
889 #define IXGBE_CB(skb) ((struct ixgbe_cb *)(skb)->cb)
890
891 enum ixgbe_boards {
892 board_82598,
893 board_82599,
894 board_X540,
895 board_X550,
896 board_X550EM_x,
897 board_x550em_x_fw,
898 board_x550em_a,
899 board_x550em_a_fw,
900 };
901
902 extern const struct ixgbe_info ixgbe_82598_info;
903 extern const struct ixgbe_info ixgbe_82599_info;
904 extern const struct ixgbe_info ixgbe_X540_info;
905 extern const struct ixgbe_info ixgbe_X550_info;
906 extern const struct ixgbe_info ixgbe_X550EM_x_info;
907 extern const struct ixgbe_info ixgbe_x550em_x_fw_info;
908 extern const struct ixgbe_info ixgbe_x550em_a_info;
909 extern const struct ixgbe_info ixgbe_x550em_a_fw_info;
910 #ifdef CONFIG_IXGBE_DCB
911 extern const struct dcbnl_rtnl_ops ixgbe_dcbnl_ops;
912 #endif
913
914 extern char ixgbe_driver_name[];
915 #ifdef IXGBE_FCOE
916 extern char ixgbe_default_device_descr[];
917 #endif /* IXGBE_FCOE */
918
919 int ixgbe_open(struct net_device *netdev);
920 int ixgbe_close(struct net_device *netdev);
921 void ixgbe_up(struct ixgbe_adapter *adapter);
922 void ixgbe_down(struct ixgbe_adapter *adapter);
923 void ixgbe_reinit_locked(struct ixgbe_adapter *adapter);
924 void ixgbe_reset(struct ixgbe_adapter *adapter);
925 void ixgbe_set_ethtool_ops(struct net_device *netdev);
926 int ixgbe_setup_rx_resources(struct ixgbe_adapter *, struct ixgbe_ring *);
927 int ixgbe_setup_tx_resources(struct ixgbe_ring *);
928 void ixgbe_free_rx_resources(struct ixgbe_ring *);
929 void ixgbe_free_tx_resources(struct ixgbe_ring *);
930 void ixgbe_configure_rx_ring(struct ixgbe_adapter *, struct ixgbe_ring *);
931 void ixgbe_configure_tx_ring(struct ixgbe_adapter *, struct ixgbe_ring *);
932 void ixgbe_disable_rx(struct ixgbe_adapter *adapter);
933 void ixgbe_disable_tx(struct ixgbe_adapter *adapter);
934 void ixgbe_update_stats(struct ixgbe_adapter *adapter);
935 int ixgbe_init_interrupt_scheme(struct ixgbe_adapter *adapter);
936 bool ixgbe_wol_supported(struct ixgbe_adapter *adapter, u16 device_id,
937 u16 subdevice_id);
938 #ifdef CONFIG_PCI_IOV
939 void ixgbe_full_sync_mac_table(struct ixgbe_adapter *adapter);
940 #endif
941 int ixgbe_add_mac_filter(struct ixgbe_adapter *adapter,
942 const u8 *addr, u16 queue);
943 int ixgbe_del_mac_filter(struct ixgbe_adapter *adapter,
944 const u8 *addr, u16 queue);
945 void ixgbe_update_pf_promisc_vlvf(struct ixgbe_adapter *adapter, u32 vid);
946 void ixgbe_clear_interrupt_scheme(struct ixgbe_adapter *adapter);
947 netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *, struct ixgbe_adapter *,
948 struct ixgbe_ring *);
949 void ixgbe_unmap_and_free_tx_resource(struct ixgbe_ring *,
950 struct ixgbe_tx_buffer *);
951 void ixgbe_alloc_rx_buffers(struct ixgbe_ring *, u16);
952 void ixgbe_write_eitr(struct ixgbe_q_vector *);
953 int ixgbe_poll(struct napi_struct *napi, int budget);
954 int ethtool_ioctl(struct ifreq *ifr);
955 s32 ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw);
956 s32 ixgbe_init_fdir_signature_82599(struct ixgbe_hw *hw, u32 fdirctrl);
957 s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 fdirctrl);
958 s32 ixgbe_fdir_add_signature_filter_82599(struct ixgbe_hw *hw,
959 union ixgbe_atr_hash_dword input,
960 union ixgbe_atr_hash_dword common,
961 u8 queue);
962 s32 ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw,
963 union ixgbe_atr_input *input_mask);
964 s32 ixgbe_fdir_write_perfect_filter_82599(struct ixgbe_hw *hw,
965 union ixgbe_atr_input *input,
966 u16 soft_id, u8 queue);
967 s32 ixgbe_fdir_erase_perfect_filter_82599(struct ixgbe_hw *hw,
968 union ixgbe_atr_input *input,
969 u16 soft_id);
970 void ixgbe_atr_compute_perfect_hash_82599(union ixgbe_atr_input *input,
971 union ixgbe_atr_input *mask);
972 int ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
973 struct ixgbe_fdir_filter *input,
974 u16 sw_idx);
975 void ixgbe_set_rx_mode(struct net_device *netdev);
976 #ifdef CONFIG_IXGBE_DCB
977 void ixgbe_set_rx_drop_en(struct ixgbe_adapter *adapter);
978 #endif
979 int ixgbe_setup_tc(struct net_device *dev, u8 tc);
980 void ixgbe_tx_ctxtdesc(struct ixgbe_ring *, u32, u32, u32, u32);
981 void ixgbe_do_reset(struct net_device *netdev);
982 #ifdef CONFIG_IXGBE_HWMON
983 void ixgbe_sysfs_exit(struct ixgbe_adapter *adapter);
984 int ixgbe_sysfs_init(struct ixgbe_adapter *adapter);
985 #endif /* CONFIG_IXGBE_HWMON */
986 #ifdef IXGBE_FCOE
987 void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter);
988 int ixgbe_fso(struct ixgbe_ring *tx_ring, struct ixgbe_tx_buffer *first,
989 u8 *hdr_len);
990 int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter,
991 union ixgbe_adv_rx_desc *rx_desc, struct sk_buff *skb);
992 int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid,
993 struct scatterlist *sgl, unsigned int sgc);
994 int ixgbe_fcoe_ddp_target(struct net_device *netdev, u16 xid,
995 struct scatterlist *sgl, unsigned int sgc);
996 int ixgbe_fcoe_ddp_put(struct net_device *netdev, u16 xid);
997 int ixgbe_setup_fcoe_ddp_resources(struct ixgbe_adapter *adapter);
998 void ixgbe_free_fcoe_ddp_resources(struct ixgbe_adapter *adapter);
999 int ixgbe_fcoe_enable(struct net_device *netdev);
1000 int ixgbe_fcoe_disable(struct net_device *netdev);
1001 #ifdef CONFIG_IXGBE_DCB
1002 u8 ixgbe_fcoe_getapp(struct ixgbe_adapter *adapter);
1003 u8 ixgbe_fcoe_setapp(struct ixgbe_adapter *adapter, u8 up);
1004 #endif /* CONFIG_IXGBE_DCB */
1005 int ixgbe_fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type);
1006 int ixgbe_fcoe_get_hbainfo(struct net_device *netdev,
1007 struct netdev_fcoe_hbainfo *info);
1008 u8 ixgbe_fcoe_get_tc(struct ixgbe_adapter *adapter);
1009 #endif /* IXGBE_FCOE */
1010 #ifdef CONFIG_DEBUG_FS
1011 void ixgbe_dbg_adapter_init(struct ixgbe_adapter *adapter);
1012 void ixgbe_dbg_adapter_exit(struct ixgbe_adapter *adapter);
1013 void ixgbe_dbg_init(void);
1014 void ixgbe_dbg_exit(void);
1015 #else
ixgbe_dbg_adapter_init(struct ixgbe_adapter * adapter)1016 static inline void ixgbe_dbg_adapter_init(struct ixgbe_adapter *adapter) {}
ixgbe_dbg_adapter_exit(struct ixgbe_adapter * adapter)1017 static inline void ixgbe_dbg_adapter_exit(struct ixgbe_adapter *adapter) {}
ixgbe_dbg_init(void)1018 static inline void ixgbe_dbg_init(void) {}
ixgbe_dbg_exit(void)1019 static inline void ixgbe_dbg_exit(void) {}
1020 #endif /* CONFIG_DEBUG_FS */
txring_txq(const struct ixgbe_ring * ring)1021 static inline struct netdev_queue *txring_txq(const struct ixgbe_ring *ring)
1022 {
1023 return netdev_get_tx_queue(ring->netdev, ring->queue_index);
1024 }
1025
1026 void ixgbe_ptp_init(struct ixgbe_adapter *adapter);
1027 void ixgbe_ptp_suspend(struct ixgbe_adapter *adapter);
1028 void ixgbe_ptp_stop(struct ixgbe_adapter *adapter);
1029 void ixgbe_ptp_overflow_check(struct ixgbe_adapter *adapter);
1030 void ixgbe_ptp_rx_hang(struct ixgbe_adapter *adapter);
1031 void ixgbe_ptp_tx_hang(struct ixgbe_adapter *adapter);
1032 void ixgbe_ptp_rx_pktstamp(struct ixgbe_q_vector *, struct sk_buff *);
1033 void ixgbe_ptp_rx_rgtstamp(struct ixgbe_q_vector *, struct sk_buff *skb);
ixgbe_ptp_rx_hwtstamp(struct ixgbe_ring * rx_ring,union ixgbe_adv_rx_desc * rx_desc,struct sk_buff * skb)1034 static inline void ixgbe_ptp_rx_hwtstamp(struct ixgbe_ring *rx_ring,
1035 union ixgbe_adv_rx_desc *rx_desc,
1036 struct sk_buff *skb)
1037 {
1038 if (unlikely(ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_TSIP))) {
1039 ixgbe_ptp_rx_pktstamp(rx_ring->q_vector, skb);
1040 return;
1041 }
1042
1043 if (unlikely(!ixgbe_test_staterr(rx_desc, IXGBE_RXDADV_STAT_TS)))
1044 return;
1045
1046 ixgbe_ptp_rx_rgtstamp(rx_ring->q_vector, skb);
1047
1048 /* Update the last_rx_timestamp timer in order to enable watchdog check
1049 * for error case of latched timestamp on a dropped packet.
1050 */
1051 rx_ring->last_rx_timestamp = jiffies;
1052 }
1053
1054 int ixgbe_ptp_set_ts_config(struct ixgbe_adapter *adapter, struct ifreq *ifr);
1055 int ixgbe_ptp_get_ts_config(struct ixgbe_adapter *adapter, struct ifreq *ifr);
1056 void ixgbe_ptp_start_cyclecounter(struct ixgbe_adapter *adapter);
1057 void ixgbe_ptp_reset(struct ixgbe_adapter *adapter);
1058 void ixgbe_ptp_check_pps_event(struct ixgbe_adapter *adapter);
1059 #ifdef CONFIG_PCI_IOV
1060 void ixgbe_sriov_reinit(struct ixgbe_adapter *adapter);
1061 #endif
1062
1063 netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb,
1064 struct ixgbe_adapter *adapter,
1065 struct ixgbe_ring *tx_ring);
1066 u32 ixgbe_rss_indir_tbl_entries(struct ixgbe_adapter *adapter);
1067 void ixgbe_store_key(struct ixgbe_adapter *adapter);
1068 void ixgbe_store_reta(struct ixgbe_adapter *adapter);
1069 s32 ixgbe_negotiate_fc(struct ixgbe_hw *hw, u32 adv_reg, u32 lp_reg,
1070 u32 adv_sym, u32 adv_asm, u32 lp_sym, u32 lp_asm);
1071 #ifdef CONFIG_IXGBE_IPSEC
1072 void ixgbe_init_ipsec_offload(struct ixgbe_adapter *adapter);
1073 void ixgbe_stop_ipsec_offload(struct ixgbe_adapter *adapter);
1074 void ixgbe_ipsec_restore(struct ixgbe_adapter *adapter);
1075 void ixgbe_ipsec_rx(struct ixgbe_ring *rx_ring,
1076 union ixgbe_adv_rx_desc *rx_desc,
1077 struct sk_buff *skb);
1078 int ixgbe_ipsec_tx(struct ixgbe_ring *tx_ring, struct ixgbe_tx_buffer *first,
1079 struct ixgbe_ipsec_tx_data *itd);
1080 void ixgbe_ipsec_vf_clear(struct ixgbe_adapter *adapter, u32 vf);
1081 int ixgbe_ipsec_vf_add_sa(struct ixgbe_adapter *adapter, u32 *mbuf, u32 vf);
1082 int ixgbe_ipsec_vf_del_sa(struct ixgbe_adapter *adapter, u32 *mbuf, u32 vf);
1083 #else
ixgbe_init_ipsec_offload(struct ixgbe_adapter * adapter)1084 static inline void ixgbe_init_ipsec_offload(struct ixgbe_adapter *adapter) { }
ixgbe_stop_ipsec_offload(struct ixgbe_adapter * adapter)1085 static inline void ixgbe_stop_ipsec_offload(struct ixgbe_adapter *adapter) { }
ixgbe_ipsec_restore(struct ixgbe_adapter * adapter)1086 static inline void ixgbe_ipsec_restore(struct ixgbe_adapter *adapter) { }
ixgbe_ipsec_rx(struct ixgbe_ring * rx_ring,union ixgbe_adv_rx_desc * rx_desc,struct sk_buff * skb)1087 static inline void ixgbe_ipsec_rx(struct ixgbe_ring *rx_ring,
1088 union ixgbe_adv_rx_desc *rx_desc,
1089 struct sk_buff *skb) { }
ixgbe_ipsec_tx(struct ixgbe_ring * tx_ring,struct ixgbe_tx_buffer * first,struct ixgbe_ipsec_tx_data * itd)1090 static inline int ixgbe_ipsec_tx(struct ixgbe_ring *tx_ring,
1091 struct ixgbe_tx_buffer *first,
1092 struct ixgbe_ipsec_tx_data *itd) { return 0; }
ixgbe_ipsec_vf_clear(struct ixgbe_adapter * adapter,u32 vf)1093 static inline void ixgbe_ipsec_vf_clear(struct ixgbe_adapter *adapter,
1094 u32 vf) { }
ixgbe_ipsec_vf_add_sa(struct ixgbe_adapter * adapter,u32 * mbuf,u32 vf)1095 static inline int ixgbe_ipsec_vf_add_sa(struct ixgbe_adapter *adapter,
1096 u32 *mbuf, u32 vf) { return -EACCES; }
ixgbe_ipsec_vf_del_sa(struct ixgbe_adapter * adapter,u32 * mbuf,u32 vf)1097 static inline int ixgbe_ipsec_vf_del_sa(struct ixgbe_adapter *adapter,
1098 u32 *mbuf, u32 vf) { return -EACCES; }
1099 #endif /* CONFIG_IXGBE_IPSEC */
1100
ixgbe_enabled_xdp_adapter(struct ixgbe_adapter * adapter)1101 static inline bool ixgbe_enabled_xdp_adapter(struct ixgbe_adapter *adapter)
1102 {
1103 return !!adapter->xdp_prog;
1104 }
1105
1106 #endif /* _IXGBE_H_ */
1107