1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 2013 - 2021 Intel Corporation. */
3 
4 #ifndef _I40E_H_
5 #define _I40E_H_
6 
7 #include <net/tcp.h>
8 #include <net/udp.h>
9 #include <linux/types.h>
10 #include <linux/errno.h>
11 #include <linux/module.h>
12 #include <linux/pci.h>
13 #include <linux/aer.h>
14 #include <linux/netdevice.h>
15 #include <linux/ioport.h>
16 #include <linux/iommu.h>
17 #include <linux/slab.h>
18 #include <linux/list.h>
19 #include <linux/hashtable.h>
20 #include <linux/string.h>
21 #include <linux/in.h>
22 #include <linux/ip.h>
23 #include <linux/sctp.h>
24 #include <linux/pkt_sched.h>
25 #include <linux/ipv6.h>
26 #include <net/checksum.h>
27 #include <net/ip6_checksum.h>
28 #include <linux/ethtool.h>
29 #include <linux/if_vlan.h>
30 #include <linux/if_macvlan.h>
31 #include <linux/if_bridge.h>
32 #include <linux/clocksource.h>
33 #include <linux/net_tstamp.h>
34 #include <linux/ptp_clock_kernel.h>
35 #include <net/pkt_cls.h>
36 #include <net/tc_act/tc_gact.h>
37 #include <net/tc_act/tc_mirred.h>
38 #include <net/udp_tunnel.h>
39 #include <net/xdp_sock.h>
40 #include "i40e_type.h"
41 #include "i40e_prototype.h"
42 #include <linux/net/intel/i40e_client.h>
43 #include <linux/avf/virtchnl.h>
44 #include "i40e_virtchnl_pf.h"
45 #include "i40e_txrx.h"
46 #include "i40e_dcb.h"
47 
48 /* Useful i40e defaults */
49 #define I40E_MAX_VEB			16
50 
51 #define I40E_MAX_NUM_DESCRIPTORS	4096
52 #define I40E_MAX_CSR_SPACE		(4 * 1024 * 1024 - 64 * 1024)
53 #define I40E_DEFAULT_NUM_DESCRIPTORS	512
54 #define I40E_REQ_DESCRIPTOR_MULTIPLE	32
55 #define I40E_MIN_NUM_DESCRIPTORS	64
56 #define I40E_MIN_MSIX			2
57 #define I40E_DEFAULT_NUM_VMDQ_VSI	8 /* max 256 VSIs */
58 #define I40E_MIN_VSI_ALLOC		83 /* LAN, ATR, FCOE, 64 VF */
59 /* max 16 qps */
60 #define i40e_default_queues_per_vmdq(pf) \
61 		(((pf)->hw_features & I40E_HW_RSS_AQ_CAPABLE) ? 4 : 1)
62 #define I40E_DEFAULT_QUEUES_PER_VF	4
63 #define I40E_MAX_VF_QUEUES		16
64 #define i40e_pf_get_max_q_per_tc(pf) \
65 		(((pf)->hw_features & I40E_HW_128_QP_RSS_CAPABLE) ? 128 : 64)
66 #define I40E_FDIR_RING_COUNT		32
67 #define I40E_MAX_AQ_BUF_SIZE		4096
68 #define I40E_AQ_LEN			256
69 #define I40E_MIN_ARQ_LEN		1
70 #define I40E_MIN_ASQ_LEN		2
71 #define I40E_AQ_WORK_LIMIT		66 /* max number of VFs + a little */
72 #define I40E_MAX_USER_PRIORITY		8
73 #define I40E_DEFAULT_TRAFFIC_CLASS	BIT(0)
74 #define I40E_QUEUE_WAIT_RETRY_LIMIT	10
75 #define I40E_INT_NAME_STR_LEN		(IFNAMSIZ + 16)
76 
77 #define I40E_NVM_VERSION_LO_SHIFT	0
78 #define I40E_NVM_VERSION_LO_MASK	(0xff << I40E_NVM_VERSION_LO_SHIFT)
79 #define I40E_NVM_VERSION_HI_SHIFT	12
80 #define I40E_NVM_VERSION_HI_MASK	(0xf << I40E_NVM_VERSION_HI_SHIFT)
81 #define I40E_OEM_VER_BUILD_MASK		0xffff
82 #define I40E_OEM_VER_PATCH_MASK		0xff
83 #define I40E_OEM_VER_BUILD_SHIFT	8
84 #define I40E_OEM_VER_SHIFT		24
85 #define I40E_PHY_DEBUG_ALL \
86 	(I40E_AQ_PHY_DEBUG_DISABLE_LINK_FW | \
87 	I40E_AQ_PHY_DEBUG_DISABLE_ALL_LINK_FW)
88 
89 #define I40E_OEM_EETRACK_ID		0xffffffff
90 #define I40E_OEM_GEN_SHIFT		24
91 #define I40E_OEM_SNAP_MASK		0x00ff0000
92 #define I40E_OEM_SNAP_SHIFT		16
93 #define I40E_OEM_RELEASE_MASK		0x0000ffff
94 
95 #define I40E_RX_DESC(R, i)	\
96 	(&(((union i40e_rx_desc *)((R)->desc))[i]))
97 #define I40E_TX_DESC(R, i)	\
98 	(&(((struct i40e_tx_desc *)((R)->desc))[i]))
99 #define I40E_TX_CTXTDESC(R, i)	\
100 	(&(((struct i40e_tx_context_desc *)((R)->desc))[i]))
101 #define I40E_TX_FDIRDESC(R, i)	\
102 	(&(((struct i40e_filter_program_desc *)((R)->desc))[i]))
103 
104 /* BW rate limiting */
105 #define I40E_BW_CREDIT_DIVISOR		50 /* 50Mbps per BW credit */
106 #define I40E_BW_MBPS_DIVISOR		125000 /* rate / (1000000 / 8) Mbps */
107 #define I40E_MAX_BW_INACTIVE_ACCUM	4 /* accumulate 4 credits max */
108 
109 /* driver state flags */
110 enum i40e_state_t {
111 	__I40E_TESTING,
112 	__I40E_CONFIG_BUSY,
113 	__I40E_CONFIG_DONE,
114 	__I40E_DOWN,
115 	__I40E_SERVICE_SCHED,
116 	__I40E_ADMINQ_EVENT_PENDING,
117 	__I40E_MDD_EVENT_PENDING,
118 	__I40E_VFLR_EVENT_PENDING,
119 	__I40E_RESET_RECOVERY_PENDING,
120 	__I40E_TIMEOUT_RECOVERY_PENDING,
121 	__I40E_MISC_IRQ_REQUESTED,
122 	__I40E_RESET_INTR_RECEIVED,
123 	__I40E_REINIT_REQUESTED,
124 	__I40E_PF_RESET_REQUESTED,
125 	__I40E_PF_RESET_AND_REBUILD_REQUESTED,
126 	__I40E_CORE_RESET_REQUESTED,
127 	__I40E_GLOBAL_RESET_REQUESTED,
128 	__I40E_EMP_RESET_INTR_RECEIVED,
129 	__I40E_SUSPENDED,
130 	__I40E_PTP_TX_IN_PROGRESS,
131 	__I40E_BAD_EEPROM,
132 	__I40E_DOWN_REQUESTED,
133 	__I40E_FD_FLUSH_REQUESTED,
134 	__I40E_FD_ATR_AUTO_DISABLED,
135 	__I40E_FD_SB_AUTO_DISABLED,
136 	__I40E_RESET_FAILED,
137 	__I40E_PORT_SUSPENDED,
138 	__I40E_VF_DISABLE,
139 	__I40E_MACVLAN_SYNC_PENDING,
140 	__I40E_TEMP_LINK_POLLING,
141 	__I40E_CLIENT_SERVICE_REQUESTED,
142 	__I40E_CLIENT_L2_CHANGE,
143 	__I40E_CLIENT_RESET,
144 	__I40E_VIRTCHNL_OP_PENDING,
145 	__I40E_RECOVERY_MODE,
146 	__I40E_VF_RESETS_DISABLED,	/* disable resets during i40e_remove */
147 	__I40E_VFS_RELEASING,
148 	/* This must be last as it determines the size of the BITMAP */
149 	__I40E_STATE_SIZE__,
150 };
151 
152 #define I40E_PF_RESET_FLAG	BIT_ULL(__I40E_PF_RESET_REQUESTED)
153 #define I40E_PF_RESET_AND_REBUILD_FLAG	\
154 	BIT_ULL(__I40E_PF_RESET_AND_REBUILD_REQUESTED)
155 
156 /* VSI state flags */
157 enum i40e_vsi_state_t {
158 	__I40E_VSI_DOWN,
159 	__I40E_VSI_NEEDS_RESTART,
160 	__I40E_VSI_SYNCING_FILTERS,
161 	__I40E_VSI_OVERFLOW_PROMISC,
162 	__I40E_VSI_REINIT_REQUESTED,
163 	__I40E_VSI_DOWN_REQUESTED,
164 	/* This must be last as it determines the size of the BITMAP */
165 	__I40E_VSI_STATE_SIZE__,
166 };
167 
168 enum i40e_interrupt_policy {
169 	I40E_INTERRUPT_BEST_CASE,
170 	I40E_INTERRUPT_MEDIUM,
171 	I40E_INTERRUPT_LOWEST
172 };
173 
174 struct i40e_lump_tracking {
175 	u16 num_entries;
176 	u16 search_hint;
177 	u16 list[0];
178 #define I40E_PILE_VALID_BIT  0x8000
179 #define I40E_IWARP_IRQ_PILE_ID  (I40E_PILE_VALID_BIT - 2)
180 };
181 
182 #define I40E_DEFAULT_ATR_SAMPLE_RATE	20
183 #define I40E_FDIR_MAX_RAW_PACKET_SIZE	512
184 #define I40E_FDIR_BUFFER_FULL_MARGIN	10
185 #define I40E_FDIR_BUFFER_HEAD_ROOM	32
186 #define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4)
187 
188 #define I40E_HKEY_ARRAY_SIZE	((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4)
189 #define I40E_HLUT_ARRAY_SIZE	((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
190 #define I40E_VF_HLUT_ARRAY_SIZE	((I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4)
191 
192 enum i40e_fd_stat_idx {
193 	I40E_FD_STAT_ATR,
194 	I40E_FD_STAT_SB,
195 	I40E_FD_STAT_ATR_TUNNEL,
196 	I40E_FD_STAT_PF_COUNT
197 };
198 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT)
199 #define I40E_FD_ATR_STAT_IDX(pf_id) \
200 			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR)
201 #define I40E_FD_SB_STAT_IDX(pf_id)  \
202 			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB)
203 #define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \
204 			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL)
205 
206 /* The following structure contains the data parsed from the user-defined
207  * field of the ethtool_rx_flow_spec structure.
208  */
209 struct i40e_rx_flow_userdef {
210 	bool flex_filter;
211 	u16 flex_word;
212 	u16 flex_offset;
213 };
214 
215 struct i40e_fdir_filter {
216 	struct hlist_node fdir_node;
217 	/* filter ipnut set */
218 	u8 flow_type;
219 	u8 ipl4_proto;
220 	/* TX packet view of src and dst */
221 	__be32 dst_ip;
222 	__be32 src_ip;
223 	__be32 dst_ip6[4];
224 	__be32 src_ip6[4];
225 	__be16 src_port;
226 	__be16 dst_port;
227 	__be32 sctp_v_tag;
228 
229 	__be16 vlan_etype;
230 	__be16 vlan_tag;
231 	/* Flexible data to match within the packet payload */
232 	__be16 flex_word;
233 	u16 flex_offset;
234 	bool flex_filter;
235 
236 	/* filter control */
237 	u16 q_index;
238 	u8  flex_off;
239 	u8  pctype;
240 	u16 dest_vsi;
241 	u8  dest_ctl;
242 	u8  fd_status;
243 	u16 cnt_index;
244 	u32 fd_id;
245 };
246 
247 #define I40E_CLOUD_FIELD_OMAC		BIT(0)
248 #define I40E_CLOUD_FIELD_IMAC		BIT(1)
249 #define I40E_CLOUD_FIELD_IVLAN		BIT(2)
250 #define I40E_CLOUD_FIELD_TEN_ID		BIT(3)
251 #define I40E_CLOUD_FIELD_IIP		BIT(4)
252 
253 #define I40E_CLOUD_FILTER_FLAGS_OMAC	I40E_CLOUD_FIELD_OMAC
254 #define I40E_CLOUD_FILTER_FLAGS_IMAC	I40E_CLOUD_FIELD_IMAC
255 #define I40E_CLOUD_FILTER_FLAGS_IMAC_IVLAN	(I40E_CLOUD_FIELD_IMAC | \
256 						 I40E_CLOUD_FIELD_IVLAN)
257 #define I40E_CLOUD_FILTER_FLAGS_IMAC_TEN_ID	(I40E_CLOUD_FIELD_IMAC | \
258 						 I40E_CLOUD_FIELD_TEN_ID)
259 #define I40E_CLOUD_FILTER_FLAGS_OMAC_TEN_ID_IMAC (I40E_CLOUD_FIELD_OMAC | \
260 						  I40E_CLOUD_FIELD_IMAC | \
261 						  I40E_CLOUD_FIELD_TEN_ID)
262 #define I40E_CLOUD_FILTER_FLAGS_IMAC_IVLAN_TEN_ID (I40E_CLOUD_FIELD_IMAC | \
263 						   I40E_CLOUD_FIELD_IVLAN | \
264 						   I40E_CLOUD_FIELD_TEN_ID)
265 #define I40E_CLOUD_FILTER_FLAGS_IIP	I40E_CLOUD_FIELD_IIP
266 
267 struct i40e_cloud_filter {
268 	struct hlist_node cloud_node;
269 	unsigned long cookie;
270 	/* cloud filter input set follows */
271 	u8 dst_mac[ETH_ALEN];
272 	u8 src_mac[ETH_ALEN];
273 	__be16 vlan_id;
274 	u16 seid;       /* filter control */
275 	__be16 dst_port;
276 	__be16 src_port;
277 	u32 tenant_id;
278 	union {
279 		struct {
280 			struct in_addr dst_ip;
281 			struct in_addr src_ip;
282 		} v4;
283 		struct {
284 			struct in6_addr dst_ip6;
285 			struct in6_addr src_ip6;
286 		} v6;
287 	} ip;
288 #define dst_ipv6	ip.v6.dst_ip6.s6_addr32
289 #define src_ipv6	ip.v6.src_ip6.s6_addr32
290 #define dst_ipv4	ip.v4.dst_ip.s_addr
291 #define src_ipv4	ip.v4.src_ip.s_addr
292 	u16 n_proto;    /* Ethernet Protocol */
293 	u8 ip_proto;    /* IPPROTO value */
294 	u8 flags;
295 #define I40E_CLOUD_TNL_TYPE_NONE        0xff
296 	u8 tunnel_type;
297 };
298 
299 #define I40E_DCB_PRIO_TYPE_STRICT	0
300 #define I40E_DCB_PRIO_TYPE_ETS		1
301 #define I40E_DCB_STRICT_PRIO_CREDITS	127
302 /* DCB per TC information data structure */
303 struct i40e_tc_info {
304 	u16	qoffset;	/* Queue offset from base queue */
305 	u16	qcount;		/* Total Queues */
306 	u8	netdev_tc;	/* Netdev TC index if netdev associated */
307 };
308 
309 /* TC configuration data structure */
310 struct i40e_tc_configuration {
311 	u8	numtc;		/* Total number of enabled TCs */
312 	u8	enabled_tc;	/* TC map */
313 	struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS];
314 };
315 
316 #define I40E_UDP_PORT_INDEX_UNUSED	255
317 struct i40e_udp_port_config {
318 	/* AdminQ command interface expects port number in Host byte order */
319 	u16 port;
320 	u8 type;
321 	u8 filter_index;
322 };
323 
324 #define I40_DDP_FLASH_REGION 100
325 #define I40E_PROFILE_INFO_SIZE 48
326 #define I40E_MAX_PROFILE_NUM 16
327 #define I40E_PROFILE_LIST_SIZE \
328 	(I40E_PROFILE_INFO_SIZE * I40E_MAX_PROFILE_NUM + 4)
329 #define I40E_DDP_PROFILE_PATH "intel/i40e/ddp/"
330 #define I40E_DDP_PROFILE_NAME_MAX 64
331 
332 int i40e_ddp_load(struct net_device *netdev, const u8 *data, size_t size,
333 		  bool is_add);
334 int i40e_ddp_flash(struct net_device *netdev, struct ethtool_flash *flash);
335 
336 struct i40e_ddp_profile_list {
337 	u32 p_count;
338 	struct i40e_profile_info p_info[];
339 };
340 
341 struct i40e_ddp_old_profile_list {
342 	struct list_head list;
343 	size_t old_ddp_size;
344 	u8 old_ddp_buf[];
345 };
346 
347 /* macros related to FLX_PIT */
348 #define I40E_FLEX_SET_FSIZE(fsize) (((fsize) << \
349 				    I40E_PRTQF_FLX_PIT_FSIZE_SHIFT) & \
350 				    I40E_PRTQF_FLX_PIT_FSIZE_MASK)
351 #define I40E_FLEX_SET_DST_WORD(dst) (((dst) << \
352 				     I40E_PRTQF_FLX_PIT_DEST_OFF_SHIFT) & \
353 				     I40E_PRTQF_FLX_PIT_DEST_OFF_MASK)
354 #define I40E_FLEX_SET_SRC_WORD(src) (((src) << \
355 				     I40E_PRTQF_FLX_PIT_SOURCE_OFF_SHIFT) & \
356 				     I40E_PRTQF_FLX_PIT_SOURCE_OFF_MASK)
357 #define I40E_FLEX_PREP_VAL(dst, fsize, src) (I40E_FLEX_SET_DST_WORD(dst) | \
358 					     I40E_FLEX_SET_FSIZE(fsize) | \
359 					     I40E_FLEX_SET_SRC_WORD(src))
360 
361 
362 #define I40E_MAX_FLEX_SRC_OFFSET 0x1F
363 
364 /* macros related to GLQF_ORT */
365 #define I40E_ORT_SET_IDX(idx)		(((idx) << \
366 					  I40E_GLQF_ORT_PIT_INDX_SHIFT) & \
367 					 I40E_GLQF_ORT_PIT_INDX_MASK)
368 
369 #define I40E_ORT_SET_COUNT(count)	(((count) << \
370 					  I40E_GLQF_ORT_FIELD_CNT_SHIFT) & \
371 					 I40E_GLQF_ORT_FIELD_CNT_MASK)
372 
373 #define I40E_ORT_SET_PAYLOAD(payload)	(((payload) << \
374 					  I40E_GLQF_ORT_FLX_PAYLOAD_SHIFT) & \
375 					 I40E_GLQF_ORT_FLX_PAYLOAD_MASK)
376 
377 #define I40E_ORT_PREP_VAL(idx, count, payload) (I40E_ORT_SET_IDX(idx) | \
378 						I40E_ORT_SET_COUNT(count) | \
379 						I40E_ORT_SET_PAYLOAD(payload))
380 
381 #define I40E_L3_GLQF_ORT_IDX		34
382 #define I40E_L4_GLQF_ORT_IDX		35
383 
384 /* Flex PIT register index */
385 #define I40E_FLEX_PIT_IDX_START_L3	3
386 #define I40E_FLEX_PIT_IDX_START_L4	6
387 
388 #define I40E_FLEX_PIT_TABLE_SIZE	3
389 
390 #define I40E_FLEX_DEST_UNUSED		63
391 
392 #define I40E_FLEX_INDEX_ENTRIES		8
393 
394 /* Flex MASK to disable all flexible entries */
395 #define I40E_FLEX_INPUT_MASK	(I40E_FLEX_50_MASK | I40E_FLEX_51_MASK | \
396 				 I40E_FLEX_52_MASK | I40E_FLEX_53_MASK | \
397 				 I40E_FLEX_54_MASK | I40E_FLEX_55_MASK | \
398 				 I40E_FLEX_56_MASK | I40E_FLEX_57_MASK)
399 
400 struct i40e_flex_pit {
401 	struct list_head list;
402 	u16 src_offset;
403 	u8 pit_index;
404 };
405 
406 struct i40e_fwd_adapter {
407 	struct net_device *netdev;
408 	int bit_no;
409 };
410 
411 struct i40e_channel {
412 	struct list_head list;
413 	bool initialized;
414 	u8 type;
415 	u16 vsi_number; /* Assigned VSI number from AQ 'Add VSI' response */
416 	u16 stat_counter_idx;
417 	u16 base_queue;
418 	u16 num_queue_pairs; /* Requested by user */
419 	u16 seid;
420 
421 	u8 enabled_tc;
422 	struct i40e_aqc_vsi_properties_data info;
423 
424 	u64 max_tx_rate;
425 	struct i40e_fwd_adapter *fwd;
426 
427 	/* track this channel belongs to which VSI */
428 	struct i40e_vsi *parent_vsi;
429 };
430 
431 struct i40e_ptp_pins_settings;
432 
433 static inline bool i40e_is_channel_macvlan(struct i40e_channel *ch)
434 {
435 	return !!ch->fwd;
436 }
437 
438 static inline u8 *i40e_channel_mac(struct i40e_channel *ch)
439 {
440 	if (i40e_is_channel_macvlan(ch))
441 		return ch->fwd->netdev->dev_addr;
442 	else
443 		return NULL;
444 }
445 
446 /* struct that defines the Ethernet device */
447 struct i40e_pf {
448 	struct pci_dev *pdev;
449 	struct i40e_hw hw;
450 	DECLARE_BITMAP(state, __I40E_STATE_SIZE__);
451 	struct msix_entry *msix_entries;
452 	bool fc_autoneg_status;
453 
454 	u16 eeprom_version;
455 	u16 num_vmdq_vsis;         /* num vmdq vsis this PF has set up */
456 	u16 num_vmdq_qps;          /* num queue pairs per vmdq pool */
457 	u16 num_vmdq_msix;         /* num queue vectors per vmdq pool */
458 	u16 num_req_vfs;           /* num VFs requested for this PF */
459 	u16 num_vf_qps;            /* num queue pairs per VF */
460 	u16 num_lan_qps;           /* num lan queues this PF has set up */
461 	u16 num_lan_msix;          /* num queue vectors for the base PF vsi */
462 	u16 num_fdsb_msix;         /* num queue vectors for sideband Fdir */
463 	u16 num_iwarp_msix;        /* num of iwarp vectors for this PF */
464 	int iwarp_base_vector;
465 	int queues_left;           /* queues left unclaimed */
466 	u16 alloc_rss_size;        /* allocated RSS queues */
467 	u16 rss_size_max;          /* HW defined max RSS queues */
468 	u16 fdir_pf_filter_count;  /* num of guaranteed filters for this PF */
469 	u16 num_alloc_vsi;         /* num VSIs this driver supports */
470 	u8 atr_sample_rate;
471 	bool wol_en;
472 
473 	struct hlist_head fdir_filter_list;
474 	u16 fdir_pf_active_filters;
475 	unsigned long fd_flush_timestamp;
476 	u32 fd_flush_cnt;
477 	u32 fd_add_err;
478 	u32 fd_atr_cnt;
479 
480 	/* Book-keeping of side-band filter count per flow-type.
481 	 * This is used to detect and handle input set changes for
482 	 * respective flow-type.
483 	 */
484 	u16 fd_tcp4_filter_cnt;
485 	u16 fd_udp4_filter_cnt;
486 	u16 fd_sctp4_filter_cnt;
487 	u16 fd_ip4_filter_cnt;
488 
489 	u16 fd_tcp6_filter_cnt;
490 	u16 fd_udp6_filter_cnt;
491 	u16 fd_sctp6_filter_cnt;
492 	u16 fd_ip6_filter_cnt;
493 
494 	/* Flexible filter table values that need to be programmed into
495 	 * hardware, which expects L3 and L4 to be programmed separately. We
496 	 * need to ensure that the values are in ascended order and don't have
497 	 * duplicates, so we track each L3 and L4 values in separate lists.
498 	 */
499 	struct list_head l3_flex_pit_list;
500 	struct list_head l4_flex_pit_list;
501 
502 	struct udp_tunnel_nic_shared udp_tunnel_shared;
503 	struct udp_tunnel_nic_info udp_tunnel_nic;
504 
505 	struct hlist_head cloud_filter_list;
506 	u16 num_cloud_filters;
507 
508 	enum i40e_interrupt_policy int_policy;
509 	u16 rx_itr_default;
510 	u16 tx_itr_default;
511 	u32 msg_enable;
512 	char int_name[I40E_INT_NAME_STR_LEN];
513 	u16 adminq_work_limit; /* num of admin receive queue desc to process */
514 	unsigned long service_timer_period;
515 	unsigned long service_timer_previous;
516 	struct timer_list service_timer;
517 	struct work_struct service_task;
518 
519 	u32 hw_features;
520 #define I40E_HW_RSS_AQ_CAPABLE			BIT(0)
521 #define I40E_HW_128_QP_RSS_CAPABLE		BIT(1)
522 #define I40E_HW_ATR_EVICT_CAPABLE		BIT(2)
523 #define I40E_HW_WB_ON_ITR_CAPABLE		BIT(3)
524 #define I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE	BIT(4)
525 #define I40E_HW_NO_PCI_LINK_CHECK		BIT(5)
526 #define I40E_HW_100M_SGMII_CAPABLE		BIT(6)
527 #define I40E_HW_NO_DCB_SUPPORT			BIT(7)
528 #define I40E_HW_USE_SET_LLDP_MIB		BIT(8)
529 #define I40E_HW_GENEVE_OFFLOAD_CAPABLE		BIT(9)
530 #define I40E_HW_PTP_L4_CAPABLE			BIT(10)
531 #define I40E_HW_WOL_MC_MAGIC_PKT_WAKE		BIT(11)
532 #define I40E_HW_HAVE_CRT_RETIMER		BIT(13)
533 #define I40E_HW_OUTER_UDP_CSUM_CAPABLE		BIT(14)
534 #define I40E_HW_PHY_CONTROLS_LEDS		BIT(15)
535 #define I40E_HW_STOP_FW_LLDP			BIT(16)
536 #define I40E_HW_PORT_ID_VALID			BIT(17)
537 #define I40E_HW_RESTART_AUTONEG			BIT(18)
538 
539 	u32 flags;
540 #define I40E_FLAG_RX_CSUM_ENABLED		BIT(0)
541 #define I40E_FLAG_MSI_ENABLED			BIT(1)
542 #define I40E_FLAG_MSIX_ENABLED			BIT(2)
543 #define I40E_FLAG_RSS_ENABLED			BIT(3)
544 #define I40E_FLAG_VMDQ_ENABLED			BIT(4)
545 #define I40E_FLAG_SRIOV_ENABLED			BIT(5)
546 #define I40E_FLAG_DCB_CAPABLE			BIT(6)
547 #define I40E_FLAG_DCB_ENABLED			BIT(7)
548 #define I40E_FLAG_FD_SB_ENABLED			BIT(8)
549 #define I40E_FLAG_FD_ATR_ENABLED		BIT(9)
550 #define I40E_FLAG_MFP_ENABLED			BIT(10)
551 #define I40E_FLAG_HW_ATR_EVICT_ENABLED		BIT(11)
552 #define I40E_FLAG_VEB_MODE_ENABLED		BIT(12)
553 #define I40E_FLAG_VEB_STATS_ENABLED		BIT(13)
554 #define I40E_FLAG_LINK_POLLING_ENABLED		BIT(14)
555 #define I40E_FLAG_TRUE_PROMISC_SUPPORT		BIT(15)
556 #define I40E_FLAG_LEGACY_RX			BIT(16)
557 #define I40E_FLAG_PTP				BIT(17)
558 #define I40E_FLAG_IWARP_ENABLED			BIT(18)
559 #define I40E_FLAG_LINK_DOWN_ON_CLOSE_ENABLED	BIT(19)
560 #define I40E_FLAG_SOURCE_PRUNING_DISABLED       BIT(20)
561 #define I40E_FLAG_TC_MQPRIO			BIT(21)
562 #define I40E_FLAG_FD_SB_INACTIVE		BIT(22)
563 #define I40E_FLAG_FD_SB_TO_CLOUD_FILTER		BIT(23)
564 #define I40E_FLAG_DISABLE_FW_LLDP		BIT(24)
565 #define I40E_FLAG_RS_FEC			BIT(25)
566 #define I40E_FLAG_BASE_R_FEC			BIT(26)
567 /* TOTAL_PORT_SHUTDOWN
568  * Allows to physically disable the link on the NIC's port.
569  * If enabled, (after link down request from the OS)
570  * no link, traffic or led activity is possible on that port.
571  *
572  * If I40E_FLAG_TOTAL_PORT_SHUTDOWN_ENABLED is set, the
573  * I40E_FLAG_LINK_DOWN_ON_CLOSE_ENABLED must be explicitly forced to true
574  * and cannot be disabled by system admin at that time.
575  * The functionalities are exclusive in terms of configuration, but they also
576  * have similar behavior (allowing to disable physical link of the port),
577  * with following differences:
578  * - LINK_DOWN_ON_CLOSE_ENABLED is configurable at host OS run-time and is
579  *   supported by whole family of 7xx Intel Ethernet Controllers
580  * - TOTAL_PORT_SHUTDOWN may be enabled only before OS loads (in BIOS)
581  *   only if motherboard's BIOS and NIC's FW has support of it
582  * - when LINK_DOWN_ON_CLOSE_ENABLED is used, the link is being brought down
583  *   by sending phy_type=0 to NIC's FW
584  * - when TOTAL_PORT_SHUTDOWN is used, phy_type is not altered, instead
585  *   the link is being brought down by clearing bit (I40E_AQ_PHY_ENABLE_LINK)
586  *   in abilities field of i40e_aq_set_phy_config structure
587  */
588 #define I40E_FLAG_TOTAL_PORT_SHUTDOWN_ENABLED	BIT(27)
589 
590 	struct i40e_client_instance *cinst;
591 	bool stat_offsets_loaded;
592 	struct i40e_hw_port_stats stats;
593 	struct i40e_hw_port_stats stats_offsets;
594 	u32 tx_timeout_count;
595 	u32 tx_timeout_recovery_level;
596 	unsigned long tx_timeout_last_recovery;
597 	u32 tx_sluggish_count;
598 	u32 hw_csum_rx_error;
599 	u32 led_status;
600 	u16 corer_count; /* Core reset count */
601 	u16 globr_count; /* Global reset count */
602 	u16 empr_count; /* EMP reset count */
603 	u16 pfr_count; /* PF reset count */
604 	u16 sw_int_count; /* SW interrupt count */
605 
606 	struct mutex switch_mutex;
607 	u16 lan_vsi;       /* our default LAN VSI */
608 	u16 lan_veb;       /* initial relay, if exists */
609 #define I40E_NO_VEB	0xffff
610 #define I40E_NO_VSI	0xffff
611 	u16 next_vsi;      /* Next unallocated VSI - 0-based! */
612 	struct i40e_vsi **vsi;
613 	struct i40e_veb *veb[I40E_MAX_VEB];
614 
615 	struct i40e_lump_tracking *qp_pile;
616 	struct i40e_lump_tracking *irq_pile;
617 
618 	/* switch config info */
619 	u16 pf_seid;
620 	u16 main_vsi_seid;
621 	u16 mac_seid;
622 	struct kobject *switch_kobj;
623 #ifdef CONFIG_DEBUG_FS
624 	struct dentry *i40e_dbg_pf;
625 #endif /* CONFIG_DEBUG_FS */
626 	bool cur_promisc;
627 
628 	u16 instance; /* A unique number per i40e_pf instance in the system */
629 
630 	/* sr-iov config info */
631 	struct i40e_vf *vf;
632 	int num_alloc_vfs;	/* actual number of VFs allocated */
633 	u32 vf_aq_requests;
634 	u32 arq_overflows;	/* Not fatal, possibly indicative of problems */
635 
636 	/* DCBx/DCBNL capability for PF that indicates
637 	 * whether DCBx is managed by firmware or host
638 	 * based agent (LLDPAD). Also, indicates what
639 	 * flavor of DCBx protocol (IEEE/CEE) is supported
640 	 * by the device. For now we're supporting IEEE
641 	 * mode only.
642 	 */
643 	u16 dcbx_cap;
644 
645 	struct i40e_filter_control_settings filter_settings;
646 	struct i40e_rx_pb_config pb_cfg; /* Current Rx packet buffer config */
647 	struct i40e_dcbx_config tmp_cfg;
648 
649 /* GPIO defines used by PTP */
650 #define I40E_SDP3_2			18
651 #define I40E_SDP3_3			19
652 #define I40E_GPIO_4			20
653 #define I40E_LED2_0			26
654 #define I40E_LED2_1			27
655 #define I40E_LED3_0			28
656 #define I40E_LED3_1			29
657 #define I40E_GLGEN_GPIO_SET_SDP_DATA_HI \
658 	(1 << I40E_GLGEN_GPIO_SET_SDP_DATA_SHIFT)
659 #define I40E_GLGEN_GPIO_SET_DRV_SDP_DATA \
660 	(1 << I40E_GLGEN_GPIO_SET_DRIVE_SDP_SHIFT)
661 #define I40E_GLGEN_GPIO_CTL_PRT_NUM_0 \
662 	(0 << I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT)
663 #define I40E_GLGEN_GPIO_CTL_PRT_NUM_1 \
664 	(1 << I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT)
665 #define I40E_GLGEN_GPIO_CTL_RESERVED	BIT(2)
666 #define I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_Z \
667 	(1 << I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_SHIFT)
668 #define I40E_GLGEN_GPIO_CTL_DIR_OUT \
669 	(1 << I40E_GLGEN_GPIO_CTL_PIN_DIR_SHIFT)
670 #define I40E_GLGEN_GPIO_CTL_TRI_DRV_HI \
671 	(1 << I40E_GLGEN_GPIO_CTL_TRI_CTL_SHIFT)
672 #define I40E_GLGEN_GPIO_CTL_OUT_HI_RST \
673 	(1 << I40E_GLGEN_GPIO_CTL_OUT_CTL_SHIFT)
674 #define I40E_GLGEN_GPIO_CTL_TIMESYNC_0 \
675 	(3 << I40E_GLGEN_GPIO_CTL_PIN_FUNC_SHIFT)
676 #define I40E_GLGEN_GPIO_CTL_TIMESYNC_1 \
677 	(4 << I40E_GLGEN_GPIO_CTL_PIN_FUNC_SHIFT)
678 #define I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN \
679 	(0x3F << I40E_GLGEN_GPIO_CTL_PHY_PIN_NAME_SHIFT)
680 #define I40E_GLGEN_GPIO_CTL_OUT_DEFAULT \
681 	(1 << I40E_GLGEN_GPIO_CTL_OUT_DEFAULT_SHIFT)
682 #define I40E_GLGEN_GPIO_CTL_PORT_0_IN_TIMESYNC_0 \
683 	(I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \
684 	 I40E_GLGEN_GPIO_CTL_TIMESYNC_0 | \
685 	 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_0)
686 #define I40E_GLGEN_GPIO_CTL_PORT_1_IN_TIMESYNC_0 \
687 	(I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \
688 	 I40E_GLGEN_GPIO_CTL_TIMESYNC_0 | \
689 	 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_1)
690 #define I40E_GLGEN_GPIO_CTL_PORT_0_OUT_TIMESYNC_1 \
691 	(I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \
692 	 I40E_GLGEN_GPIO_CTL_TIMESYNC_1 | I40E_GLGEN_GPIO_CTL_OUT_HI_RST | \
693 	 I40E_GLGEN_GPIO_CTL_TRI_DRV_HI | I40E_GLGEN_GPIO_CTL_DIR_OUT | \
694 	 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_0)
695 #define I40E_GLGEN_GPIO_CTL_PORT_1_OUT_TIMESYNC_1 \
696 	(I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \
697 	 I40E_GLGEN_GPIO_CTL_TIMESYNC_1 | I40E_GLGEN_GPIO_CTL_OUT_HI_RST | \
698 	 I40E_GLGEN_GPIO_CTL_TRI_DRV_HI | I40E_GLGEN_GPIO_CTL_DIR_OUT | \
699 	 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_1)
700 #define I40E_GLGEN_GPIO_CTL_LED_INIT \
701 	(I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_Z | \
702 	 I40E_GLGEN_GPIO_CTL_DIR_OUT | \
703 	 I40E_GLGEN_GPIO_CTL_TRI_DRV_HI | \
704 	 I40E_GLGEN_GPIO_CTL_OUT_HI_RST | \
705 	 I40E_GLGEN_GPIO_CTL_OUT_DEFAULT | \
706 	 I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN)
707 #define I40E_PRTTSYN_AUX_1_INSTNT \
708 	(1 << I40E_PRTTSYN_AUX_1_INSTNT_SHIFT)
709 #define I40E_PRTTSYN_AUX_0_OUT_ENABLE \
710 	(1 << I40E_PRTTSYN_AUX_0_OUT_ENA_SHIFT)
711 #define I40E_PRTTSYN_AUX_0_OUT_CLK_MOD	(3 << I40E_PRTTSYN_AUX_0_OUTMOD_SHIFT)
712 #define I40E_PRTTSYN_AUX_0_OUT_ENABLE_CLK_MOD \
713 	(I40E_PRTTSYN_AUX_0_OUT_ENABLE | I40E_PRTTSYN_AUX_0_OUT_CLK_MOD)
714 #define I40E_PTP_HALF_SECOND		500000000LL /* nano seconds */
715 #define I40E_PTP_2_SEC_DELAY		2
716 
717 	struct ptp_clock *ptp_clock;
718 	struct ptp_clock_info ptp_caps;
719 	struct sk_buff *ptp_tx_skb;
720 	unsigned long ptp_tx_start;
721 	struct hwtstamp_config tstamp_config;
722 	struct timespec64 ptp_prev_hw_time;
723 	struct work_struct ptp_pps_work;
724 	struct work_struct ptp_extts0_work;
725 	struct work_struct ptp_extts1_work;
726 	ktime_t ptp_reset_start;
727 	struct mutex tmreg_lock; /* Used to protect the SYSTIME registers. */
728 	u32 ptp_adj_mult;
729 	u32 tx_hwtstamp_timeouts;
730 	u32 tx_hwtstamp_skipped;
731 	u32 rx_hwtstamp_cleared;
732 	u32 latch_event_flags;
733 	u64 ptp_pps_start;
734 	u32 pps_delay;
735 	spinlock_t ptp_rx_lock; /* Used to protect Rx timestamp registers. */
736 	struct ptp_pin_desc ptp_pin[3];
737 	unsigned long latch_events[4];
738 	bool ptp_tx;
739 	bool ptp_rx;
740 	struct i40e_ptp_pins_settings *ptp_pins;
741 	u16 rss_table_size; /* HW RSS table size */
742 	u32 max_bw;
743 	u32 min_bw;
744 
745 	u32 ioremap_len;
746 	u32 fd_inv;
747 	u16 phy_led_val;
748 
749 	u16 override_q_count;
750 	u16 last_sw_conf_flags;
751 	u16 last_sw_conf_valid_flags;
752 	/* List to keep previous DDP profiles to be rolled back in the future */
753 	struct list_head ddp_old_prof;
754 };
755 
756 /**
757  * i40e_mac_to_hkey - Convert a 6-byte MAC Address to a u64 hash key
758  * @macaddr: the MAC Address as the base key
759  *
760  * Simply copies the address and returns it as a u64 for hashing
761  **/
762 static inline u64 i40e_addr_to_hkey(const u8 *macaddr)
763 {
764 	u64 key = 0;
765 
766 	ether_addr_copy((u8 *)&key, macaddr);
767 	return key;
768 }
769 
770 enum i40e_filter_state {
771 	I40E_FILTER_INVALID = 0,	/* Invalid state */
772 	I40E_FILTER_NEW,		/* New, not sent to FW yet */
773 	I40E_FILTER_ACTIVE,		/* Added to switch by FW */
774 	I40E_FILTER_FAILED,		/* Rejected by FW */
775 	I40E_FILTER_REMOVE,		/* To be removed */
776 /* There is no 'removed' state; the filter struct is freed */
777 };
778 struct i40e_mac_filter {
779 	struct hlist_node hlist;
780 	u8 macaddr[ETH_ALEN];
781 #define I40E_VLAN_ANY -1
782 	s16 vlan;
783 	enum i40e_filter_state state;
784 };
785 
786 /* Wrapper structure to keep track of filters while we are preparing to send
787  * firmware commands. We cannot send firmware commands while holding a
788  * spinlock, since it might sleep. To avoid this, we wrap the added filters in
789  * a separate structure, which will track the state change and update the real
790  * filter while under lock. We can't simply hold the filters in a separate
791  * list, as this opens a window for a race condition when adding new MAC
792  * addresses to all VLANs, or when adding new VLANs to all MAC addresses.
793  */
794 struct i40e_new_mac_filter {
795 	struct hlist_node hlist;
796 	struct i40e_mac_filter *f;
797 
798 	/* Track future changes to state separately */
799 	enum i40e_filter_state state;
800 };
801 
802 struct i40e_veb {
803 	struct i40e_pf *pf;
804 	u16 idx;
805 	u16 veb_idx;		/* index of VEB parent */
806 	u16 seid;
807 	u16 uplink_seid;
808 	u16 stats_idx;		/* index of VEB parent */
809 	u8  enabled_tc;
810 	u16 bridge_mode;	/* Bridge Mode (VEB/VEPA) */
811 	u16 flags;
812 	u16 bw_limit;
813 	u8  bw_max_quanta;
814 	bool is_abs_credits;
815 	u8  bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS];
816 	u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS];
817 	u8  bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS];
818 	struct kobject *kobj;
819 	bool stat_offsets_loaded;
820 	struct i40e_eth_stats stats;
821 	struct i40e_eth_stats stats_offsets;
822 	struct i40e_veb_tc_stats tc_stats;
823 	struct i40e_veb_tc_stats tc_stats_offsets;
824 };
825 
826 /* struct that defines a VSI, associated with a dev */
827 struct i40e_vsi {
828 	struct net_device *netdev;
829 	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
830 	bool netdev_registered;
831 	bool stat_offsets_loaded;
832 
833 	u32 current_netdev_flags;
834 	DECLARE_BITMAP(state, __I40E_VSI_STATE_SIZE__);
835 #define I40E_VSI_FLAG_FILTER_CHANGED	BIT(0)
836 #define I40E_VSI_FLAG_VEB_OWNER		BIT(1)
837 	unsigned long flags;
838 
839 	/* Per VSI lock to protect elements/hash (MAC filter) */
840 	spinlock_t mac_filter_hash_lock;
841 	/* Fixed size hash table with 2^8 buckets for MAC filters */
842 	DECLARE_HASHTABLE(mac_filter_hash, 8);
843 	bool has_vlan_filter;
844 
845 	/* VSI stats */
846 	struct rtnl_link_stats64 net_stats;
847 	struct rtnl_link_stats64 net_stats_offsets;
848 	struct i40e_eth_stats eth_stats;
849 	struct i40e_eth_stats eth_stats_offsets;
850 	u32 tx_restart;
851 	u32 tx_busy;
852 	u64 tx_linearize;
853 	u64 tx_force_wb;
854 	u32 rx_buf_failed;
855 	u32 rx_page_failed;
856 
857 	/* These are containers of ring pointers, allocated at run-time */
858 	struct i40e_ring **rx_rings;
859 	struct i40e_ring **tx_rings;
860 	struct i40e_ring **xdp_rings; /* XDP Tx rings */
861 
862 	u32  active_filters;
863 	u32  promisc_threshold;
864 
865 	u16 work_limit;
866 	u16 int_rate_limit;	/* value in usecs */
867 
868 	u16 rss_table_size;	/* HW RSS table size */
869 	u16 rss_size;		/* Allocated RSS queues */
870 	u8  *rss_hkey_user;	/* User configured hash keys */
871 	u8  *rss_lut_user;	/* User configured lookup table entries */
872 
873 
874 	u16 max_frame;
875 	u16 rx_buf_len;
876 
877 	struct bpf_prog *xdp_prog;
878 
879 	/* List of q_vectors allocated to this VSI */
880 	struct i40e_q_vector **q_vectors;
881 	int num_q_vectors;
882 	int base_vector;
883 	bool irqs_ready;
884 
885 	u16 seid;		/* HW index of this VSI (absolute index) */
886 	u16 id;			/* VSI number */
887 	u16 uplink_seid;
888 
889 	u16 base_queue;		/* vsi's first queue in hw array */
890 	u16 alloc_queue_pairs;	/* Allocated Tx/Rx queues */
891 	u16 req_queue_pairs;	/* User requested queue pairs */
892 	u16 num_queue_pairs;	/* Used tx and rx pairs */
893 	u16 num_tx_desc;
894 	u16 num_rx_desc;
895 	enum i40e_vsi_type type;  /* VSI type, e.g., LAN, FCoE, etc */
896 	s16 vf_id;		/* Virtual function ID for SRIOV VSIs */
897 
898 	struct tc_mqprio_qopt_offload mqprio_qopt; /* queue parameters */
899 	struct i40e_tc_configuration tc_config;
900 	struct i40e_aqc_vsi_properties_data info;
901 
902 	/* VSI BW limit (absolute across all TCs) */
903 	u16 bw_limit;		/* VSI BW Limit (0 = disabled) */
904 	u8  bw_max_quanta;	/* Max Quanta when BW limit is enabled */
905 
906 	/* Relative TC credits across VSIs */
907 	u8  bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS];
908 	/* TC BW limit credits within VSI */
909 	u16  bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS];
910 	/* TC BW limit max quanta within VSI */
911 	u8  bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS];
912 
913 	struct i40e_pf *back;	/* Backreference to associated PF */
914 	u16 idx;		/* index in pf->vsi[] */
915 	u16 veb_idx;		/* index of VEB parent */
916 	struct kobject *kobj;	/* sysfs object */
917 	bool current_isup;	/* Sync 'link up' logging */
918 	enum i40e_aq_link_speed current_speed;	/* Sync link speed logging */
919 
920 	/* channel specific fields */
921 	u16 cnt_q_avail;	/* num of queues available for channel usage */
922 	u16 orig_rss_size;
923 	u16 current_rss_size;
924 	bool reconfig_rss;
925 
926 	u16 next_base_queue;	/* next queue to be used for channel setup */
927 
928 	struct list_head ch_list;
929 	u16 tc_seid_map[I40E_MAX_TRAFFIC_CLASS];
930 
931 	/* macvlan fields */
932 #define I40E_MAX_MACVLANS		128 /* Max HW vectors - 1 on FVL */
933 #define I40E_MIN_MACVLAN_VECTORS	2   /* Min vectors to enable macvlans */
934 	DECLARE_BITMAP(fwd_bitmask, I40E_MAX_MACVLANS);
935 	struct list_head macvlan_list;
936 	int macvlan_cnt;
937 
938 	void *priv;	/* client driver data reference. */
939 
940 	/* VSI specific handlers */
941 	irqreturn_t (*irq_handler)(int irq, void *data);
942 
943 	unsigned long *af_xdp_zc_qps; /* tracks AF_XDP ZC enabled qps */
944 } ____cacheline_internodealigned_in_smp;
945 
946 struct i40e_netdev_priv {
947 	struct i40e_vsi *vsi;
948 };
949 
950 extern struct ida i40e_client_ida;
951 
952 /* struct that defines an interrupt vector */
953 struct i40e_q_vector {
954 	struct i40e_vsi *vsi;
955 
956 	u16 v_idx;		/* index in the vsi->q_vector array. */
957 	u16 reg_idx;		/* register index of the interrupt */
958 
959 	struct napi_struct napi;
960 
961 	struct i40e_ring_container rx;
962 	struct i40e_ring_container tx;
963 
964 	u8 itr_countdown;	/* when 0 should adjust adaptive ITR */
965 	u8 num_ringpairs;	/* total number of ring pairs in vector */
966 
967 	cpumask_t affinity_mask;
968 	struct irq_affinity_notify affinity_notify;
969 
970 	struct rcu_head rcu;	/* to avoid race with update stats on free */
971 	char name[I40E_INT_NAME_STR_LEN];
972 	bool arm_wb_state;
973 } ____cacheline_internodealigned_in_smp;
974 
975 /* lan device */
976 struct i40e_device {
977 	struct list_head list;
978 	struct i40e_pf *pf;
979 };
980 
981 /**
982  * i40e_nvm_version_str - format the NVM version strings
983  * @hw: ptr to the hardware info
984  **/
985 static inline char *i40e_nvm_version_str(struct i40e_hw *hw)
986 {
987 	static char buf[32];
988 	u32 full_ver;
989 
990 	full_ver = hw->nvm.oem_ver;
991 
992 	if (hw->nvm.eetrack == I40E_OEM_EETRACK_ID) {
993 		u8 gen, snap;
994 		u16 release;
995 
996 		gen = (u8)(full_ver >> I40E_OEM_GEN_SHIFT);
997 		snap = (u8)((full_ver & I40E_OEM_SNAP_MASK) >>
998 			I40E_OEM_SNAP_SHIFT);
999 		release = (u16)(full_ver & I40E_OEM_RELEASE_MASK);
1000 
1001 		snprintf(buf, sizeof(buf), "%x.%x.%x", gen, snap, release);
1002 	} else {
1003 		u8 ver, patch;
1004 		u16 build;
1005 
1006 		ver = (u8)(full_ver >> I40E_OEM_VER_SHIFT);
1007 		build = (u16)((full_ver >> I40E_OEM_VER_BUILD_SHIFT) &
1008 			 I40E_OEM_VER_BUILD_MASK);
1009 		patch = (u8)(full_ver & I40E_OEM_VER_PATCH_MASK);
1010 
1011 		snprintf(buf, sizeof(buf),
1012 			 "%x.%02x 0x%x %d.%d.%d",
1013 			 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >>
1014 				I40E_NVM_VERSION_HI_SHIFT,
1015 			 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >>
1016 				I40E_NVM_VERSION_LO_SHIFT,
1017 			 hw->nvm.eetrack, ver, build, patch);
1018 	}
1019 
1020 	return buf;
1021 }
1022 
1023 /**
1024  * i40e_netdev_to_pf: Retrieve the PF struct for given netdev
1025  * @netdev: the corresponding netdev
1026  *
1027  * Return the PF struct for the given netdev
1028  **/
1029 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev)
1030 {
1031 	struct i40e_netdev_priv *np = netdev_priv(netdev);
1032 	struct i40e_vsi *vsi = np->vsi;
1033 
1034 	return vsi->back;
1035 }
1036 
1037 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi,
1038 				irqreturn_t (*irq_handler)(int, void *))
1039 {
1040 	vsi->irq_handler = irq_handler;
1041 }
1042 
1043 /**
1044  * i40e_get_fd_cnt_all - get the total FD filter space available
1045  * @pf: pointer to the PF struct
1046  **/
1047 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf)
1048 {
1049 	return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count;
1050 }
1051 
1052 /**
1053  * i40e_read_fd_input_set - reads value of flow director input set register
1054  * @pf: pointer to the PF struct
1055  * @addr: register addr
1056  *
1057  * This function reads value of flow director input set register
1058  * specified by 'addr' (which is specific to flow-type)
1059  **/
1060 static inline u64 i40e_read_fd_input_set(struct i40e_pf *pf, u16 addr)
1061 {
1062 	u64 val;
1063 
1064 	val = i40e_read_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 1));
1065 	val <<= 32;
1066 	val += i40e_read_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 0));
1067 
1068 	return val;
1069 }
1070 
1071 /**
1072  * i40e_write_fd_input_set - writes value into flow director input set register
1073  * @pf: pointer to the PF struct
1074  * @addr: register addr
1075  * @val: value to be written
1076  *
1077  * This function writes specified value to the register specified by 'addr'.
1078  * This register is input set register based on flow-type.
1079  **/
1080 static inline void i40e_write_fd_input_set(struct i40e_pf *pf,
1081 					   u16 addr, u64 val)
1082 {
1083 	i40e_write_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 1),
1084 			  (u32)(val >> 32));
1085 	i40e_write_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 0),
1086 			  (u32)(val & 0xFFFFFFFFULL));
1087 }
1088 
1089 /* needed by i40e_ethtool.c */
1090 int i40e_up(struct i40e_vsi *vsi);
1091 void i40e_down(struct i40e_vsi *vsi);
1092 extern const char i40e_driver_name[];
1093 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags);
1094 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags, bool lock_acquired);
1095 int i40e_config_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
1096 int i40e_get_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
1097 void i40e_fill_rss_lut(struct i40e_pf *pf, u8 *lut,
1098 		       u16 rss_table_size, u16 rss_size);
1099 struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id);
1100 /**
1101  * i40e_find_vsi_by_type - Find and return Flow Director VSI
1102  * @pf: PF to search for VSI
1103  * @type: Value indicating type of VSI we are looking for
1104  **/
1105 static inline struct i40e_vsi *
1106 i40e_find_vsi_by_type(struct i40e_pf *pf, u16 type)
1107 {
1108 	int i;
1109 
1110 	for (i = 0; i < pf->num_alloc_vsi; i++) {
1111 		struct i40e_vsi *vsi = pf->vsi[i];
1112 
1113 		if (vsi && vsi->type == type)
1114 			return vsi;
1115 	}
1116 
1117 	return NULL;
1118 }
1119 void i40e_update_stats(struct i40e_vsi *vsi);
1120 void i40e_update_veb_stats(struct i40e_veb *veb);
1121 void i40e_update_eth_stats(struct i40e_vsi *vsi);
1122 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi);
1123 int i40e_fetch_switch_configuration(struct i40e_pf *pf,
1124 				    bool printconfig);
1125 
1126 int i40e_add_del_fdir(struct i40e_vsi *vsi,
1127 		      struct i40e_fdir_filter *input, bool add);
1128 void i40e_fdir_check_and_reenable(struct i40e_pf *pf);
1129 u32 i40e_get_current_fd_count(struct i40e_pf *pf);
1130 u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf);
1131 u32 i40e_get_current_atr_cnt(struct i40e_pf *pf);
1132 u32 i40e_get_global_fd_count(struct i40e_pf *pf);
1133 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features);
1134 void i40e_set_ethtool_ops(struct net_device *netdev);
1135 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
1136 					const u8 *macaddr, s16 vlan);
1137 void __i40e_del_filter(struct i40e_vsi *vsi, struct i40e_mac_filter *f);
1138 void i40e_del_filter(struct i40e_vsi *vsi, const u8 *macaddr, s16 vlan);
1139 int i40e_sync_vsi_filters(struct i40e_vsi *vsi);
1140 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
1141 				u16 uplink, u32 param1);
1142 int i40e_vsi_release(struct i40e_vsi *vsi);
1143 void i40e_service_event_schedule(struct i40e_pf *pf);
1144 void i40e_notify_client_of_vf_msg(struct i40e_vsi *vsi, u32 vf_id,
1145 				  u8 *msg, u16 len);
1146 
1147 int i40e_control_wait_tx_q(int seid, struct i40e_pf *pf, int pf_q, bool is_xdp,
1148 			   bool enable);
1149 int i40e_control_wait_rx_q(struct i40e_pf *pf, int pf_q, bool enable);
1150 int i40e_vsi_start_rings(struct i40e_vsi *vsi);
1151 void i40e_vsi_stop_rings(struct i40e_vsi *vsi);
1152 void i40e_vsi_stop_rings_no_wait(struct  i40e_vsi *vsi);
1153 int i40e_vsi_wait_queues_disabled(struct i40e_vsi *vsi);
1154 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count);
1155 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid,
1156 				u16 downlink_seid, u8 enabled_tc);
1157 void i40e_veb_release(struct i40e_veb *veb);
1158 
1159 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc);
1160 int i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
1161 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi);
1162 void i40e_vsi_reset_stats(struct i40e_vsi *vsi);
1163 void i40e_pf_reset_stats(struct i40e_pf *pf);
1164 #ifdef CONFIG_DEBUG_FS
1165 void i40e_dbg_pf_init(struct i40e_pf *pf);
1166 void i40e_dbg_pf_exit(struct i40e_pf *pf);
1167 void i40e_dbg_init(void);
1168 void i40e_dbg_exit(void);
1169 #else
1170 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {}
1171 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {}
1172 static inline void i40e_dbg_init(void) {}
1173 static inline void i40e_dbg_exit(void) {}
1174 #endif /* CONFIG_DEBUG_FS*/
1175 /* needed by client drivers */
1176 int i40e_lan_add_device(struct i40e_pf *pf);
1177 int i40e_lan_del_device(struct i40e_pf *pf);
1178 void i40e_client_subtask(struct i40e_pf *pf);
1179 void i40e_notify_client_of_l2_param_changes(struct i40e_vsi *vsi);
1180 void i40e_notify_client_of_netdev_close(struct i40e_vsi *vsi, bool reset);
1181 void i40e_notify_client_of_vf_enable(struct i40e_pf *pf, u32 num_vfs);
1182 void i40e_notify_client_of_vf_reset(struct i40e_pf *pf, u32 vf_id);
1183 void i40e_client_update_msix_info(struct i40e_pf *pf);
1184 int i40e_vf_client_capable(struct i40e_pf *pf, u32 vf_id);
1185 /**
1186  * i40e_irq_dynamic_enable - Enable default interrupt generation settings
1187  * @vsi: pointer to a vsi
1188  * @vector: enable a particular Hw Interrupt vector, without base_vector
1189  **/
1190 static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector)
1191 {
1192 	struct i40e_pf *pf = vsi->back;
1193 	struct i40e_hw *hw = &pf->hw;
1194 	u32 val;
1195 
1196 	val = I40E_PFINT_DYN_CTLN_INTENA_MASK |
1197 	      I40E_PFINT_DYN_CTLN_CLEARPBA_MASK |
1198 	      (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT);
1199 	wr32(hw, I40E_PFINT_DYN_CTLN(vector + vsi->base_vector - 1), val);
1200 	/* skip the flush */
1201 }
1202 
1203 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
1204 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf);
1205 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
1206 int i40e_open(struct net_device *netdev);
1207 int i40e_close(struct net_device *netdev);
1208 int i40e_vsi_open(struct i40e_vsi *vsi);
1209 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi);
1210 int i40e_add_vlan_all_mac(struct i40e_vsi *vsi, s16 vid);
1211 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, u16 vid);
1212 void i40e_rm_vlan_all_mac(struct i40e_vsi *vsi, s16 vid);
1213 void i40e_vsi_kill_vlan(struct i40e_vsi *vsi, u16 vid);
1214 struct i40e_mac_filter *i40e_add_mac_filter(struct i40e_vsi *vsi,
1215 					    const u8 *macaddr);
1216 int i40e_del_mac_filter(struct i40e_vsi *vsi, const u8 *macaddr);
1217 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi);
1218 int i40e_count_filters(struct i40e_vsi *vsi);
1219 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, const u8 *macaddr);
1220 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi);
1221 static inline bool i40e_is_sw_dcb(struct i40e_pf *pf)
1222 {
1223 	return !!(pf->flags & I40E_FLAG_DISABLE_FW_LLDP);
1224 }
1225 
1226 #ifdef CONFIG_I40E_DCB
1227 void i40e_dcbnl_flush_apps(struct i40e_pf *pf,
1228 			   struct i40e_dcbx_config *old_cfg,
1229 			   struct i40e_dcbx_config *new_cfg);
1230 void i40e_dcbnl_set_all(struct i40e_vsi *vsi);
1231 void i40e_dcbnl_setup(struct i40e_vsi *vsi);
1232 bool i40e_dcb_need_reconfig(struct i40e_pf *pf,
1233 			    struct i40e_dcbx_config *old_cfg,
1234 			    struct i40e_dcbx_config *new_cfg);
1235 int i40e_hw_dcb_config(struct i40e_pf *pf, struct i40e_dcbx_config *new_cfg);
1236 int i40e_dcb_sw_default_config(struct i40e_pf *pf);
1237 #endif /* CONFIG_I40E_DCB */
1238 void i40e_ptp_rx_hang(struct i40e_pf *pf);
1239 void i40e_ptp_tx_hang(struct i40e_pf *pf);
1240 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf);
1241 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index);
1242 void i40e_ptp_set_increment(struct i40e_pf *pf);
1243 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
1244 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
1245 void i40e_ptp_save_hw_time(struct i40e_pf *pf);
1246 void i40e_ptp_restore_hw_time(struct i40e_pf *pf);
1247 void i40e_ptp_init(struct i40e_pf *pf);
1248 void i40e_ptp_stop(struct i40e_pf *pf);
1249 int i40e_ptp_alloc_pins(struct i40e_pf *pf);
1250 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi);
1251 i40e_status i40e_get_partition_bw_setting(struct i40e_pf *pf);
1252 i40e_status i40e_set_partition_bw_setting(struct i40e_pf *pf);
1253 i40e_status i40e_commit_partition_bw_setting(struct i40e_pf *pf);
1254 void i40e_print_link_message(struct i40e_vsi *vsi, bool isup);
1255 
1256 void i40e_set_fec_in_flags(u8 fec_cfg, u32 *flags);
1257 
1258 static inline bool i40e_enabled_xdp_vsi(struct i40e_vsi *vsi)
1259 {
1260 	return !!READ_ONCE(vsi->xdp_prog);
1261 }
1262 
1263 int i40e_create_queue_channel(struct i40e_vsi *vsi, struct i40e_channel *ch);
1264 int i40e_set_bw_limit(struct i40e_vsi *vsi, u16 seid, u64 max_tx_rate);
1265 int i40e_add_del_cloud_filter(struct i40e_vsi *vsi,
1266 			      struct i40e_cloud_filter *filter,
1267 			      bool add);
1268 int i40e_add_del_cloud_filter_big_buf(struct i40e_vsi *vsi,
1269 				      struct i40e_cloud_filter *filter,
1270 				      bool add);
1271 #endif /* _I40E_H_ */
1272