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