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