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