1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 2013 - 2018 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_AQ_WORK_LIMIT		66 /* max number of VFs + a little */
70 #define I40E_MAX_USER_PRIORITY		8
71 #define I40E_DEFAULT_TRAFFIC_CLASS	BIT(0)
72 #define I40E_QUEUE_WAIT_RETRY_LIMIT	10
73 #define I40E_INT_NAME_STR_LEN		(IFNAMSIZ + 16)
74 
75 #define I40E_NVM_VERSION_LO_SHIFT	0
76 #define I40E_NVM_VERSION_LO_MASK	(0xff << I40E_NVM_VERSION_LO_SHIFT)
77 #define I40E_NVM_VERSION_HI_SHIFT	12
78 #define I40E_NVM_VERSION_HI_MASK	(0xf << I40E_NVM_VERSION_HI_SHIFT)
79 #define I40E_OEM_VER_BUILD_MASK		0xffff
80 #define I40E_OEM_VER_PATCH_MASK		0xff
81 #define I40E_OEM_VER_BUILD_SHIFT	8
82 #define I40E_OEM_VER_SHIFT		24
83 #define I40E_PHY_DEBUG_ALL \
84 	(I40E_AQ_PHY_DEBUG_DISABLE_LINK_FW | \
85 	I40E_AQ_PHY_DEBUG_DISABLE_ALL_LINK_FW)
86 
87 #define I40E_OEM_EETRACK_ID		0xffffffff
88 #define I40E_OEM_GEN_SHIFT		24
89 #define I40E_OEM_SNAP_MASK		0x00ff0000
90 #define I40E_OEM_SNAP_SHIFT		16
91 #define I40E_OEM_RELEASE_MASK		0x0000ffff
92 
93 #define I40E_RX_DESC(R, i)	\
94 	(&(((union i40e_rx_desc *)((R)->desc))[i]))
95 #define I40E_TX_DESC(R, i)	\
96 	(&(((struct i40e_tx_desc *)((R)->desc))[i]))
97 #define I40E_TX_CTXTDESC(R, i)	\
98 	(&(((struct i40e_tx_context_desc *)((R)->desc))[i]))
99 #define I40E_TX_FDIRDESC(R, i)	\
100 	(&(((struct i40e_filter_program_desc *)((R)->desc))[i]))
101 
102 /* BW rate limiting */
103 #define I40E_BW_CREDIT_DIVISOR		50 /* 50Mbps per BW credit */
104 #define I40E_BW_MBPS_DIVISOR		125000 /* rate / (1000000 / 8) Mbps */
105 #define I40E_MAX_BW_INACTIVE_ACCUM	4 /* accumulate 4 credits max */
106 
107 /* driver state flags */
108 enum i40e_state_t {
109 	__I40E_TESTING,
110 	__I40E_CONFIG_BUSY,
111 	__I40E_CONFIG_DONE,
112 	__I40E_DOWN,
113 	__I40E_SERVICE_SCHED,
114 	__I40E_ADMINQ_EVENT_PENDING,
115 	__I40E_MDD_EVENT_PENDING,
116 	__I40E_VFLR_EVENT_PENDING,
117 	__I40E_RESET_RECOVERY_PENDING,
118 	__I40E_TIMEOUT_RECOVERY_PENDING,
119 	__I40E_MISC_IRQ_REQUESTED,
120 	__I40E_RESET_INTR_RECEIVED,
121 	__I40E_REINIT_REQUESTED,
122 	__I40E_PF_RESET_REQUESTED,
123 	__I40E_PF_RESET_AND_REBUILD_REQUESTED,
124 	__I40E_CORE_RESET_REQUESTED,
125 	__I40E_GLOBAL_RESET_REQUESTED,
126 	__I40E_EMP_RESET_INTR_RECEIVED,
127 	__I40E_SUSPENDED,
128 	__I40E_PTP_TX_IN_PROGRESS,
129 	__I40E_BAD_EEPROM,
130 	__I40E_DOWN_REQUESTED,
131 	__I40E_FD_FLUSH_REQUESTED,
132 	__I40E_FD_ATR_AUTO_DISABLED,
133 	__I40E_FD_SB_AUTO_DISABLED,
134 	__I40E_RESET_FAILED,
135 	__I40E_PORT_SUSPENDED,
136 	__I40E_VF_DISABLE,
137 	__I40E_MACVLAN_SYNC_PENDING,
138 	__I40E_TEMP_LINK_POLLING,
139 	__I40E_CLIENT_SERVICE_REQUESTED,
140 	__I40E_CLIENT_L2_CHANGE,
141 	__I40E_CLIENT_RESET,
142 	__I40E_VIRTCHNL_OP_PENDING,
143 	__I40E_RECOVERY_MODE,
144 	__I40E_VF_RESETS_DISABLED,	/* disable resets during i40e_remove */
145 	/* This must be last as it determines the size of the BITMAP */
146 	__I40E_STATE_SIZE__,
147 };
148 
149 #define I40E_PF_RESET_FLAG	BIT_ULL(__I40E_PF_RESET_REQUESTED)
150 #define I40E_PF_RESET_AND_REBUILD_FLAG	\
151 	BIT_ULL(__I40E_PF_RESET_AND_REBUILD_REQUESTED)
152 
153 /* VSI state flags */
154 enum i40e_vsi_state_t {
155 	__I40E_VSI_DOWN,
156 	__I40E_VSI_NEEDS_RESTART,
157 	__I40E_VSI_SYNCING_FILTERS,
158 	__I40E_VSI_OVERFLOW_PROMISC,
159 	__I40E_VSI_REINIT_REQUESTED,
160 	__I40E_VSI_DOWN_REQUESTED,
161 	/* This must be last as it determines the size of the BITMAP */
162 	__I40E_VSI_STATE_SIZE__,
163 };
164 
165 enum i40e_interrupt_policy {
166 	I40E_INTERRUPT_BEST_CASE,
167 	I40E_INTERRUPT_MEDIUM,
168 	I40E_INTERRUPT_LOWEST
169 };
170 
171 struct i40e_lump_tracking {
172 	u16 num_entries;
173 	u16 search_hint;
174 	u16 list[0];
175 #define I40E_PILE_VALID_BIT  0x8000
176 #define I40E_IWARP_IRQ_PILE_ID  (I40E_PILE_VALID_BIT - 2)
177 };
178 
179 #define I40E_DEFAULT_ATR_SAMPLE_RATE	20
180 #define I40E_FDIR_MAX_RAW_PACKET_SIZE	512
181 #define I40E_FDIR_BUFFER_FULL_MARGIN	10
182 #define I40E_FDIR_BUFFER_HEAD_ROOM	32
183 #define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4)
184 
185 #define I40E_HKEY_ARRAY_SIZE	((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4)
186 #define I40E_HLUT_ARRAY_SIZE	((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
187 #define I40E_VF_HLUT_ARRAY_SIZE	((I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4)
188 
189 enum i40e_fd_stat_idx {
190 	I40E_FD_STAT_ATR,
191 	I40E_FD_STAT_SB,
192 	I40E_FD_STAT_ATR_TUNNEL,
193 	I40E_FD_STAT_PF_COUNT
194 };
195 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT)
196 #define I40E_FD_ATR_STAT_IDX(pf_id) \
197 			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR)
198 #define I40E_FD_SB_STAT_IDX(pf_id)  \
199 			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB)
200 #define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \
201 			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL)
202 
203 /* The following structure contains the data parsed from the user-defined
204  * field of the ethtool_rx_flow_spec structure.
205  */
206 struct i40e_rx_flow_userdef {
207 	bool flex_filter;
208 	u16 flex_word;
209 	u16 flex_offset;
210 };
211 
212 struct i40e_fdir_filter {
213 	struct hlist_node fdir_node;
214 	/* filter ipnut set */
215 	u8 flow_type;
216 	u8 ip4_proto;
217 	/* TX packet view of src and dst */
218 	__be32 dst_ip;
219 	__be32 src_ip;
220 	__be16 src_port;
221 	__be16 dst_port;
222 	__be32 sctp_v_tag;
223 
224 	/* Flexible data to match within the packet payload */
225 	__be16 flex_word;
226 	u16 flex_offset;
227 	bool flex_filter;
228 
229 	/* filter control */
230 	u16 q_index;
231 	u8  flex_off;
232 	u8  pctype;
233 	u16 dest_vsi;
234 	u8  dest_ctl;
235 	u8  fd_status;
236 	u16 cnt_index;
237 	u32 fd_id;
238 };
239 
240 #define I40E_CLOUD_FIELD_OMAC		BIT(0)
241 #define I40E_CLOUD_FIELD_IMAC		BIT(1)
242 #define I40E_CLOUD_FIELD_IVLAN		BIT(2)
243 #define I40E_CLOUD_FIELD_TEN_ID		BIT(3)
244 #define I40E_CLOUD_FIELD_IIP		BIT(4)
245 
246 #define I40E_CLOUD_FILTER_FLAGS_OMAC	I40E_CLOUD_FIELD_OMAC
247 #define I40E_CLOUD_FILTER_FLAGS_IMAC	I40E_CLOUD_FIELD_IMAC
248 #define I40E_CLOUD_FILTER_FLAGS_IMAC_IVLAN	(I40E_CLOUD_FIELD_IMAC | \
249 						 I40E_CLOUD_FIELD_IVLAN)
250 #define I40E_CLOUD_FILTER_FLAGS_IMAC_TEN_ID	(I40E_CLOUD_FIELD_IMAC | \
251 						 I40E_CLOUD_FIELD_TEN_ID)
252 #define I40E_CLOUD_FILTER_FLAGS_OMAC_TEN_ID_IMAC (I40E_CLOUD_FIELD_OMAC | \
253 						  I40E_CLOUD_FIELD_IMAC | \
254 						  I40E_CLOUD_FIELD_TEN_ID)
255 #define I40E_CLOUD_FILTER_FLAGS_IMAC_IVLAN_TEN_ID (I40E_CLOUD_FIELD_IMAC | \
256 						   I40E_CLOUD_FIELD_IVLAN | \
257 						   I40E_CLOUD_FIELD_TEN_ID)
258 #define I40E_CLOUD_FILTER_FLAGS_IIP	I40E_CLOUD_FIELD_IIP
259 
260 struct i40e_cloud_filter {
261 	struct hlist_node cloud_node;
262 	unsigned long cookie;
263 	/* cloud filter input set follows */
264 	u8 dst_mac[ETH_ALEN];
265 	u8 src_mac[ETH_ALEN];
266 	__be16 vlan_id;
267 	u16 seid;       /* filter control */
268 	__be16 dst_port;
269 	__be16 src_port;
270 	u32 tenant_id;
271 	union {
272 		struct {
273 			struct in_addr dst_ip;
274 			struct in_addr src_ip;
275 		} v4;
276 		struct {
277 			struct in6_addr dst_ip6;
278 			struct in6_addr src_ip6;
279 		} v6;
280 	} ip;
281 #define dst_ipv6	ip.v6.dst_ip6.s6_addr32
282 #define src_ipv6	ip.v6.src_ip6.s6_addr32
283 #define dst_ipv4	ip.v4.dst_ip.s_addr
284 #define src_ipv4	ip.v4.src_ip.s_addr
285 	u16 n_proto;    /* Ethernet Protocol */
286 	u8 ip_proto;    /* IPPROTO value */
287 	u8 flags;
288 #define I40E_CLOUD_TNL_TYPE_NONE        0xff
289 	u8 tunnel_type;
290 };
291 
292 /* DCB per TC information data structure */
293 struct i40e_tc_info {
294 	u16	qoffset;	/* Queue offset from base queue */
295 	u16	qcount;		/* Total Queues */
296 	u8	netdev_tc;	/* Netdev TC index if netdev associated */
297 };
298 
299 /* TC configuration data structure */
300 struct i40e_tc_configuration {
301 	u8	numtc;		/* Total number of enabled TCs */
302 	u8	enabled_tc;	/* TC map */
303 	struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS];
304 };
305 
306 #define I40E_UDP_PORT_INDEX_UNUSED	255
307 struct i40e_udp_port_config {
308 	/* AdminQ command interface expects port number in Host byte order */
309 	u16 port;
310 	u8 type;
311 	u8 filter_index;
312 };
313 
314 #define I40_DDP_FLASH_REGION 100
315 #define I40E_PROFILE_INFO_SIZE 48
316 #define I40E_MAX_PROFILE_NUM 16
317 #define I40E_PROFILE_LIST_SIZE \
318 	(I40E_PROFILE_INFO_SIZE * I40E_MAX_PROFILE_NUM + 4)
319 #define I40E_DDP_PROFILE_PATH "intel/i40e/ddp/"
320 #define I40E_DDP_PROFILE_NAME_MAX 64
321 
322 int i40e_ddp_load(struct net_device *netdev, const u8 *data, size_t size,
323 		  bool is_add);
324 int i40e_ddp_flash(struct net_device *netdev, struct ethtool_flash *flash);
325 
326 struct i40e_ddp_profile_list {
327 	u32 p_count;
328 	struct i40e_profile_info p_info[];
329 };
330 
331 struct i40e_ddp_old_profile_list {
332 	struct list_head list;
333 	size_t old_ddp_size;
334 	u8 old_ddp_buf[];
335 };
336 
337 /* macros related to FLX_PIT */
338 #define I40E_FLEX_SET_FSIZE(fsize) (((fsize) << \
339 				    I40E_PRTQF_FLX_PIT_FSIZE_SHIFT) & \
340 				    I40E_PRTQF_FLX_PIT_FSIZE_MASK)
341 #define I40E_FLEX_SET_DST_WORD(dst) (((dst) << \
342 				     I40E_PRTQF_FLX_PIT_DEST_OFF_SHIFT) & \
343 				     I40E_PRTQF_FLX_PIT_DEST_OFF_MASK)
344 #define I40E_FLEX_SET_SRC_WORD(src) (((src) << \
345 				     I40E_PRTQF_FLX_PIT_SOURCE_OFF_SHIFT) & \
346 				     I40E_PRTQF_FLX_PIT_SOURCE_OFF_MASK)
347 #define I40E_FLEX_PREP_VAL(dst, fsize, src) (I40E_FLEX_SET_DST_WORD(dst) | \
348 					     I40E_FLEX_SET_FSIZE(fsize) | \
349 					     I40E_FLEX_SET_SRC_WORD(src))
350 
351 
352 #define I40E_MAX_FLEX_SRC_OFFSET 0x1F
353 
354 /* macros related to GLQF_ORT */
355 #define I40E_ORT_SET_IDX(idx)		(((idx) << \
356 					  I40E_GLQF_ORT_PIT_INDX_SHIFT) & \
357 					 I40E_GLQF_ORT_PIT_INDX_MASK)
358 
359 #define I40E_ORT_SET_COUNT(count)	(((count) << \
360 					  I40E_GLQF_ORT_FIELD_CNT_SHIFT) & \
361 					 I40E_GLQF_ORT_FIELD_CNT_MASK)
362 
363 #define I40E_ORT_SET_PAYLOAD(payload)	(((payload) << \
364 					  I40E_GLQF_ORT_FLX_PAYLOAD_SHIFT) & \
365 					 I40E_GLQF_ORT_FLX_PAYLOAD_MASK)
366 
367 #define I40E_ORT_PREP_VAL(idx, count, payload) (I40E_ORT_SET_IDX(idx) | \
368 						I40E_ORT_SET_COUNT(count) | \
369 						I40E_ORT_SET_PAYLOAD(payload))
370 
371 #define I40E_L3_GLQF_ORT_IDX		34
372 #define I40E_L4_GLQF_ORT_IDX		35
373 
374 /* Flex PIT register index */
375 #define I40E_FLEX_PIT_IDX_START_L3	3
376 #define I40E_FLEX_PIT_IDX_START_L4	6
377 
378 #define I40E_FLEX_PIT_TABLE_SIZE	3
379 
380 #define I40E_FLEX_DEST_UNUSED		63
381 
382 #define I40E_FLEX_INDEX_ENTRIES		8
383 
384 /* Flex MASK to disable all flexible entries */
385 #define I40E_FLEX_INPUT_MASK	(I40E_FLEX_50_MASK | I40E_FLEX_51_MASK | \
386 				 I40E_FLEX_52_MASK | I40E_FLEX_53_MASK | \
387 				 I40E_FLEX_54_MASK | I40E_FLEX_55_MASK | \
388 				 I40E_FLEX_56_MASK | I40E_FLEX_57_MASK)
389 
390 struct i40e_flex_pit {
391 	struct list_head list;
392 	u16 src_offset;
393 	u8 pit_index;
394 };
395 
396 struct i40e_fwd_adapter {
397 	struct net_device *netdev;
398 	int bit_no;
399 };
400 
401 struct i40e_channel {
402 	struct list_head list;
403 	bool initialized;
404 	u8 type;
405 	u16 vsi_number; /* Assigned VSI number from AQ 'Add VSI' response */
406 	u16 stat_counter_idx;
407 	u16 base_queue;
408 	u16 num_queue_pairs; /* Requested by user */
409 	u16 seid;
410 
411 	u8 enabled_tc;
412 	struct i40e_aqc_vsi_properties_data info;
413 
414 	u64 max_tx_rate;
415 	struct i40e_fwd_adapter *fwd;
416 
417 	/* track this channel belongs to which VSI */
418 	struct i40e_vsi *parent_vsi;
419 };
420 
421 static inline bool i40e_is_channel_macvlan(struct i40e_channel *ch)
422 {
423 	return !!ch->fwd;
424 }
425 
426 static inline u8 *i40e_channel_mac(struct i40e_channel *ch)
427 {
428 	if (i40e_is_channel_macvlan(ch))
429 		return ch->fwd->netdev->dev_addr;
430 	else
431 		return NULL;
432 }
433 
434 /* struct that defines the Ethernet device */
435 struct i40e_pf {
436 	struct pci_dev *pdev;
437 	struct i40e_hw hw;
438 	DECLARE_BITMAP(state, __I40E_STATE_SIZE__);
439 	struct msix_entry *msix_entries;
440 	bool fc_autoneg_status;
441 
442 	u16 eeprom_version;
443 	u16 num_vmdq_vsis;         /* num vmdq vsis this PF has set up */
444 	u16 num_vmdq_qps;          /* num queue pairs per vmdq pool */
445 	u16 num_vmdq_msix;         /* num queue vectors per vmdq pool */
446 	u16 num_req_vfs;           /* num VFs requested for this PF */
447 	u16 num_vf_qps;            /* num queue pairs per VF */
448 	u16 num_lan_qps;           /* num lan queues this PF has set up */
449 	u16 num_lan_msix;          /* num queue vectors for the base PF vsi */
450 	u16 num_fdsb_msix;         /* num queue vectors for sideband Fdir */
451 	u16 num_iwarp_msix;        /* num of iwarp vectors for this PF */
452 	int iwarp_base_vector;
453 	int queues_left;           /* queues left unclaimed */
454 	u16 alloc_rss_size;        /* allocated RSS queues */
455 	u16 rss_size_max;          /* HW defined max RSS queues */
456 	u16 fdir_pf_filter_count;  /* num of guaranteed filters for this PF */
457 	u16 num_alloc_vsi;         /* num VSIs this driver supports */
458 	u8 atr_sample_rate;
459 	bool wol_en;
460 
461 	struct hlist_head fdir_filter_list;
462 	u16 fdir_pf_active_filters;
463 	unsigned long fd_flush_timestamp;
464 	u32 fd_flush_cnt;
465 	u32 fd_add_err;
466 	u32 fd_atr_cnt;
467 
468 	/* Book-keeping of side-band filter count per flow-type.
469 	 * This is used to detect and handle input set changes for
470 	 * respective flow-type.
471 	 */
472 	u16 fd_tcp4_filter_cnt;
473 	u16 fd_udp4_filter_cnt;
474 	u16 fd_sctp4_filter_cnt;
475 	u16 fd_ip4_filter_cnt;
476 
477 	/* Flexible filter table values that need to be programmed into
478 	 * hardware, which expects L3 and L4 to be programmed separately. We
479 	 * need to ensure that the values are in ascended order and don't have
480 	 * duplicates, so we track each L3 and L4 values in separate lists.
481 	 */
482 	struct list_head l3_flex_pit_list;
483 	struct list_head l4_flex_pit_list;
484 
485 	struct udp_tunnel_nic_shared udp_tunnel_shared;
486 	struct udp_tunnel_nic_info udp_tunnel_nic;
487 
488 	struct hlist_head cloud_filter_list;
489 	u16 num_cloud_filters;
490 
491 	enum i40e_interrupt_policy int_policy;
492 	u16 rx_itr_default;
493 	u16 tx_itr_default;
494 	u32 msg_enable;
495 	char int_name[I40E_INT_NAME_STR_LEN];
496 	u16 adminq_work_limit; /* num of admin receive queue desc to process */
497 	unsigned long service_timer_period;
498 	unsigned long service_timer_previous;
499 	struct timer_list service_timer;
500 	struct work_struct service_task;
501 
502 	u32 hw_features;
503 #define I40E_HW_RSS_AQ_CAPABLE			BIT(0)
504 #define I40E_HW_128_QP_RSS_CAPABLE		BIT(1)
505 #define I40E_HW_ATR_EVICT_CAPABLE		BIT(2)
506 #define I40E_HW_WB_ON_ITR_CAPABLE		BIT(3)
507 #define I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE	BIT(4)
508 #define I40E_HW_NO_PCI_LINK_CHECK		BIT(5)
509 #define I40E_HW_100M_SGMII_CAPABLE		BIT(6)
510 #define I40E_HW_NO_DCB_SUPPORT			BIT(7)
511 #define I40E_HW_USE_SET_LLDP_MIB		BIT(8)
512 #define I40E_HW_GENEVE_OFFLOAD_CAPABLE		BIT(9)
513 #define I40E_HW_PTP_L4_CAPABLE			BIT(10)
514 #define I40E_HW_WOL_MC_MAGIC_PKT_WAKE		BIT(11)
515 #define I40E_HW_HAVE_CRT_RETIMER		BIT(13)
516 #define I40E_HW_OUTER_UDP_CSUM_CAPABLE		BIT(14)
517 #define I40E_HW_PHY_CONTROLS_LEDS		BIT(15)
518 #define I40E_HW_STOP_FW_LLDP			BIT(16)
519 #define I40E_HW_PORT_ID_VALID			BIT(17)
520 #define I40E_HW_RESTART_AUTONEG			BIT(18)
521 
522 	u32 flags;
523 #define I40E_FLAG_RX_CSUM_ENABLED		BIT(0)
524 #define I40E_FLAG_MSI_ENABLED			BIT(1)
525 #define I40E_FLAG_MSIX_ENABLED			BIT(2)
526 #define I40E_FLAG_RSS_ENABLED			BIT(3)
527 #define I40E_FLAG_VMDQ_ENABLED			BIT(4)
528 #define I40E_FLAG_SRIOV_ENABLED			BIT(5)
529 #define I40E_FLAG_DCB_CAPABLE			BIT(6)
530 #define I40E_FLAG_DCB_ENABLED			BIT(7)
531 #define I40E_FLAG_FD_SB_ENABLED			BIT(8)
532 #define I40E_FLAG_FD_ATR_ENABLED		BIT(9)
533 #define I40E_FLAG_MFP_ENABLED			BIT(10)
534 #define I40E_FLAG_HW_ATR_EVICT_ENABLED		BIT(11)
535 #define I40E_FLAG_VEB_MODE_ENABLED		BIT(12)
536 #define I40E_FLAG_VEB_STATS_ENABLED		BIT(13)
537 #define I40E_FLAG_LINK_POLLING_ENABLED		BIT(14)
538 #define I40E_FLAG_TRUE_PROMISC_SUPPORT		BIT(15)
539 #define I40E_FLAG_LEGACY_RX			BIT(16)
540 #define I40E_FLAG_PTP				BIT(17)
541 #define I40E_FLAG_IWARP_ENABLED			BIT(18)
542 #define I40E_FLAG_LINK_DOWN_ON_CLOSE_ENABLED	BIT(19)
543 #define I40E_FLAG_SOURCE_PRUNING_DISABLED       BIT(20)
544 #define I40E_FLAG_TC_MQPRIO			BIT(21)
545 #define I40E_FLAG_FD_SB_INACTIVE		BIT(22)
546 #define I40E_FLAG_FD_SB_TO_CLOUD_FILTER		BIT(23)
547 #define I40E_FLAG_DISABLE_FW_LLDP		BIT(24)
548 #define I40E_FLAG_RS_FEC			BIT(25)
549 #define I40E_FLAG_BASE_R_FEC			BIT(26)
550 /* TOTAL_PORT_SHUTDOWN
551  * Allows to physically disable the link on the NIC's port.
552  * If enabled, (after link down request from the OS)
553  * no link, traffic or led activity is possible on that port.
554  *
555  * If I40E_FLAG_TOTAL_PORT_SHUTDOWN_ENABLED is set, the
556  * I40E_FLAG_LINK_DOWN_ON_CLOSE_ENABLED must be explicitly forced to true
557  * and cannot be disabled by system admin at that time.
558  * The functionalities are exclusive in terms of configuration, but they also
559  * have similar behavior (allowing to disable physical link of the port),
560  * with following differences:
561  * - LINK_DOWN_ON_CLOSE_ENABLED is configurable at host OS run-time and is
562  *   supported by whole family of 7xx Intel Ethernet Controllers
563  * - TOTAL_PORT_SHUTDOWN may be enabled only before OS loads (in BIOS)
564  *   only if motherboard's BIOS and NIC's FW has support of it
565  * - when LINK_DOWN_ON_CLOSE_ENABLED is used, the link is being brought down
566  *   by sending phy_type=0 to NIC's FW
567  * - when TOTAL_PORT_SHUTDOWN is used, phy_type is not altered, instead
568  *   the link is being brought down by clearing bit (I40E_AQ_PHY_ENABLE_LINK)
569  *   in abilities field of i40e_aq_set_phy_config structure
570  */
571 #define I40E_FLAG_TOTAL_PORT_SHUTDOWN_ENABLED	BIT(27)
572 
573 	struct i40e_client_instance *cinst;
574 	bool stat_offsets_loaded;
575 	struct i40e_hw_port_stats stats;
576 	struct i40e_hw_port_stats stats_offsets;
577 	u32 tx_timeout_count;
578 	u32 tx_timeout_recovery_level;
579 	unsigned long tx_timeout_last_recovery;
580 	u32 tx_sluggish_count;
581 	u32 hw_csum_rx_error;
582 	u32 led_status;
583 	u16 corer_count; /* Core reset count */
584 	u16 globr_count; /* Global reset count */
585 	u16 empr_count; /* EMP reset count */
586 	u16 pfr_count; /* PF reset count */
587 	u16 sw_int_count; /* SW interrupt count */
588 
589 	struct mutex switch_mutex;
590 	u16 lan_vsi;       /* our default LAN VSI */
591 	u16 lan_veb;       /* initial relay, if exists */
592 #define I40E_NO_VEB	0xffff
593 #define I40E_NO_VSI	0xffff
594 	u16 next_vsi;      /* Next unallocated VSI - 0-based! */
595 	struct i40e_vsi **vsi;
596 	struct i40e_veb *veb[I40E_MAX_VEB];
597 
598 	struct i40e_lump_tracking *qp_pile;
599 	struct i40e_lump_tracking *irq_pile;
600 
601 	/* switch config info */
602 	u16 pf_seid;
603 	u16 main_vsi_seid;
604 	u16 mac_seid;
605 	struct kobject *switch_kobj;
606 #ifdef CONFIG_DEBUG_FS
607 	struct dentry *i40e_dbg_pf;
608 #endif /* CONFIG_DEBUG_FS */
609 	bool cur_promisc;
610 
611 	u16 instance; /* A unique number per i40e_pf instance in the system */
612 
613 	/* sr-iov config info */
614 	struct i40e_vf *vf;
615 	int num_alloc_vfs;	/* actual number of VFs allocated */
616 	u32 vf_aq_requests;
617 	u32 arq_overflows;	/* Not fatal, possibly indicative of problems */
618 
619 	/* DCBx/DCBNL capability for PF that indicates
620 	 * whether DCBx is managed by firmware or host
621 	 * based agent (LLDPAD). Also, indicates what
622 	 * flavor of DCBx protocol (IEEE/CEE) is supported
623 	 * by the device. For now we're supporting IEEE
624 	 * mode only.
625 	 */
626 	u16 dcbx_cap;
627 
628 	struct i40e_filter_control_settings filter_settings;
629 
630 	struct ptp_clock *ptp_clock;
631 	struct ptp_clock_info ptp_caps;
632 	struct sk_buff *ptp_tx_skb;
633 	unsigned long ptp_tx_start;
634 	struct hwtstamp_config tstamp_config;
635 	struct timespec64 ptp_prev_hw_time;
636 	ktime_t ptp_reset_start;
637 	struct mutex tmreg_lock; /* Used to protect the SYSTIME registers. */
638 	u32 ptp_adj_mult;
639 	u32 tx_hwtstamp_timeouts;
640 	u32 tx_hwtstamp_skipped;
641 	u32 rx_hwtstamp_cleared;
642 	u32 latch_event_flags;
643 	spinlock_t ptp_rx_lock; /* Used to protect Rx timestamp registers. */
644 	unsigned long latch_events[4];
645 	bool ptp_tx;
646 	bool ptp_rx;
647 	u16 rss_table_size; /* HW RSS table size */
648 	u32 max_bw;
649 	u32 min_bw;
650 
651 	u32 ioremap_len;
652 	u32 fd_inv;
653 	u16 phy_led_val;
654 
655 	u16 override_q_count;
656 	u16 last_sw_conf_flags;
657 	u16 last_sw_conf_valid_flags;
658 	/* List to keep previous DDP profiles to be rolled back in the future */
659 	struct list_head ddp_old_prof;
660 };
661 
662 /**
663  * i40e_mac_to_hkey - Convert a 6-byte MAC Address to a u64 hash key
664  * @macaddr: the MAC Address as the base key
665  *
666  * Simply copies the address and returns it as a u64 for hashing
667  **/
668 static inline u64 i40e_addr_to_hkey(const u8 *macaddr)
669 {
670 	u64 key = 0;
671 
672 	ether_addr_copy((u8 *)&key, macaddr);
673 	return key;
674 }
675 
676 enum i40e_filter_state {
677 	I40E_FILTER_INVALID = 0,	/* Invalid state */
678 	I40E_FILTER_NEW,		/* New, not sent to FW yet */
679 	I40E_FILTER_ACTIVE,		/* Added to switch by FW */
680 	I40E_FILTER_FAILED,		/* Rejected by FW */
681 	I40E_FILTER_REMOVE,		/* To be removed */
682 /* There is no 'removed' state; the filter struct is freed */
683 };
684 struct i40e_mac_filter {
685 	struct hlist_node hlist;
686 	u8 macaddr[ETH_ALEN];
687 #define I40E_VLAN_ANY -1
688 	s16 vlan;
689 	enum i40e_filter_state state;
690 };
691 
692 /* Wrapper structure to keep track of filters while we are preparing to send
693  * firmware commands. We cannot send firmware commands while holding a
694  * spinlock, since it might sleep. To avoid this, we wrap the added filters in
695  * a separate structure, which will track the state change and update the real
696  * filter while under lock. We can't simply hold the filters in a separate
697  * list, as this opens a window for a race condition when adding new MAC
698  * addresses to all VLANs, or when adding new VLANs to all MAC addresses.
699  */
700 struct i40e_new_mac_filter {
701 	struct hlist_node hlist;
702 	struct i40e_mac_filter *f;
703 
704 	/* Track future changes to state separately */
705 	enum i40e_filter_state state;
706 };
707 
708 struct i40e_veb {
709 	struct i40e_pf *pf;
710 	u16 idx;
711 	u16 veb_idx;		/* index of VEB parent */
712 	u16 seid;
713 	u16 uplink_seid;
714 	u16 stats_idx;		/* index of VEB parent */
715 	u8  enabled_tc;
716 	u16 bridge_mode;	/* Bridge Mode (VEB/VEPA) */
717 	u16 flags;
718 	u16 bw_limit;
719 	u8  bw_max_quanta;
720 	bool is_abs_credits;
721 	u8  bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS];
722 	u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS];
723 	u8  bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS];
724 	struct kobject *kobj;
725 	bool stat_offsets_loaded;
726 	struct i40e_eth_stats stats;
727 	struct i40e_eth_stats stats_offsets;
728 	struct i40e_veb_tc_stats tc_stats;
729 	struct i40e_veb_tc_stats tc_stats_offsets;
730 };
731 
732 /* struct that defines a VSI, associated with a dev */
733 struct i40e_vsi {
734 	struct net_device *netdev;
735 	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
736 	bool netdev_registered;
737 	bool stat_offsets_loaded;
738 
739 	u32 current_netdev_flags;
740 	DECLARE_BITMAP(state, __I40E_VSI_STATE_SIZE__);
741 #define I40E_VSI_FLAG_FILTER_CHANGED	BIT(0)
742 #define I40E_VSI_FLAG_VEB_OWNER		BIT(1)
743 	unsigned long flags;
744 
745 	/* Per VSI lock to protect elements/hash (MAC filter) */
746 	spinlock_t mac_filter_hash_lock;
747 	/* Fixed size hash table with 2^8 buckets for MAC filters */
748 	DECLARE_HASHTABLE(mac_filter_hash, 8);
749 	bool has_vlan_filter;
750 
751 	/* VSI stats */
752 	struct rtnl_link_stats64 net_stats;
753 	struct rtnl_link_stats64 net_stats_offsets;
754 	struct i40e_eth_stats eth_stats;
755 	struct i40e_eth_stats eth_stats_offsets;
756 	u32 tx_restart;
757 	u32 tx_busy;
758 	u64 tx_linearize;
759 	u64 tx_force_wb;
760 	u32 rx_buf_failed;
761 	u32 rx_page_failed;
762 
763 	/* These are containers of ring pointers, allocated at run-time */
764 	struct i40e_ring **rx_rings;
765 	struct i40e_ring **tx_rings;
766 	struct i40e_ring **xdp_rings; /* XDP Tx rings */
767 
768 	u32  active_filters;
769 	u32  promisc_threshold;
770 
771 	u16 work_limit;
772 	u16 int_rate_limit;	/* value in usecs */
773 
774 	u16 rss_table_size;	/* HW RSS table size */
775 	u16 rss_size;		/* Allocated RSS queues */
776 	u8  *rss_hkey_user;	/* User configured hash keys */
777 	u8  *rss_lut_user;	/* User configured lookup table entries */
778 
779 
780 	u16 max_frame;
781 	u16 rx_buf_len;
782 
783 	struct bpf_prog *xdp_prog;
784 
785 	/* List of q_vectors allocated to this VSI */
786 	struct i40e_q_vector **q_vectors;
787 	int num_q_vectors;
788 	int base_vector;
789 	bool irqs_ready;
790 
791 	u16 seid;		/* HW index of this VSI (absolute index) */
792 	u16 id;			/* VSI number */
793 	u16 uplink_seid;
794 
795 	u16 base_queue;		/* vsi's first queue in hw array */
796 	u16 alloc_queue_pairs;	/* Allocated Tx/Rx queues */
797 	u16 req_queue_pairs;	/* User requested queue pairs */
798 	u16 num_queue_pairs;	/* Used tx and rx pairs */
799 	u16 num_tx_desc;
800 	u16 num_rx_desc;
801 	enum i40e_vsi_type type;  /* VSI type, e.g., LAN, FCoE, etc */
802 	s16 vf_id;		/* Virtual function ID for SRIOV VSIs */
803 
804 	struct tc_mqprio_qopt_offload mqprio_qopt; /* queue parameters */
805 	struct i40e_tc_configuration tc_config;
806 	struct i40e_aqc_vsi_properties_data info;
807 
808 	/* VSI BW limit (absolute across all TCs) */
809 	u16 bw_limit;		/* VSI BW Limit (0 = disabled) */
810 	u8  bw_max_quanta;	/* Max Quanta when BW limit is enabled */
811 
812 	/* Relative TC credits across VSIs */
813 	u8  bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS];
814 	/* TC BW limit credits within VSI */
815 	u16  bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS];
816 	/* TC BW limit max quanta within VSI */
817 	u8  bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS];
818 
819 	struct i40e_pf *back;	/* Backreference to associated PF */
820 	u16 idx;		/* index in pf->vsi[] */
821 	u16 veb_idx;		/* index of VEB parent */
822 	struct kobject *kobj;	/* sysfs object */
823 	bool current_isup;	/* Sync 'link up' logging */
824 	enum i40e_aq_link_speed current_speed;	/* Sync link speed logging */
825 
826 	/* channel specific fields */
827 	u16 cnt_q_avail;	/* num of queues available for channel usage */
828 	u16 orig_rss_size;
829 	u16 current_rss_size;
830 	bool reconfig_rss;
831 
832 	u16 next_base_queue;	/* next queue to be used for channel setup */
833 
834 	struct list_head ch_list;
835 	u16 tc_seid_map[I40E_MAX_TRAFFIC_CLASS];
836 
837 	/* macvlan fields */
838 #define I40E_MAX_MACVLANS		128 /* Max HW vectors - 1 on FVL */
839 #define I40E_MIN_MACVLAN_VECTORS	2   /* Min vectors to enable macvlans */
840 	DECLARE_BITMAP(fwd_bitmask, I40E_MAX_MACVLANS);
841 	struct list_head macvlan_list;
842 	int macvlan_cnt;
843 
844 	void *priv;	/* client driver data reference. */
845 
846 	/* VSI specific handlers */
847 	irqreturn_t (*irq_handler)(int irq, void *data);
848 
849 	unsigned long *af_xdp_zc_qps; /* tracks AF_XDP ZC enabled qps */
850 } ____cacheline_internodealigned_in_smp;
851 
852 struct i40e_netdev_priv {
853 	struct i40e_vsi *vsi;
854 };
855 
856 /* struct that defines an interrupt vector */
857 struct i40e_q_vector {
858 	struct i40e_vsi *vsi;
859 
860 	u16 v_idx;		/* index in the vsi->q_vector array. */
861 	u16 reg_idx;		/* register index of the interrupt */
862 
863 	struct napi_struct napi;
864 
865 	struct i40e_ring_container rx;
866 	struct i40e_ring_container tx;
867 
868 	u8 itr_countdown;	/* when 0 should adjust adaptive ITR */
869 	u8 num_ringpairs;	/* total number of ring pairs in vector */
870 
871 	cpumask_t affinity_mask;
872 	struct irq_affinity_notify affinity_notify;
873 
874 	struct rcu_head rcu;	/* to avoid race with update stats on free */
875 	char name[I40E_INT_NAME_STR_LEN];
876 	bool arm_wb_state;
877 } ____cacheline_internodealigned_in_smp;
878 
879 /* lan device */
880 struct i40e_device {
881 	struct list_head list;
882 	struct i40e_pf *pf;
883 };
884 
885 /**
886  * i40e_nvm_version_str - format the NVM version strings
887  * @hw: ptr to the hardware info
888  **/
889 static inline char *i40e_nvm_version_str(struct i40e_hw *hw)
890 {
891 	static char buf[32];
892 	u32 full_ver;
893 
894 	full_ver = hw->nvm.oem_ver;
895 
896 	if (hw->nvm.eetrack == I40E_OEM_EETRACK_ID) {
897 		u8 gen, snap;
898 		u16 release;
899 
900 		gen = (u8)(full_ver >> I40E_OEM_GEN_SHIFT);
901 		snap = (u8)((full_ver & I40E_OEM_SNAP_MASK) >>
902 			I40E_OEM_SNAP_SHIFT);
903 		release = (u16)(full_ver & I40E_OEM_RELEASE_MASK);
904 
905 		snprintf(buf, sizeof(buf), "%x.%x.%x", gen, snap, release);
906 	} else {
907 		u8 ver, patch;
908 		u16 build;
909 
910 		ver = (u8)(full_ver >> I40E_OEM_VER_SHIFT);
911 		build = (u16)((full_ver >> I40E_OEM_VER_BUILD_SHIFT) &
912 			 I40E_OEM_VER_BUILD_MASK);
913 		patch = (u8)(full_ver & I40E_OEM_VER_PATCH_MASK);
914 
915 		snprintf(buf, sizeof(buf),
916 			 "%x.%02x 0x%x %d.%d.%d",
917 			 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >>
918 				I40E_NVM_VERSION_HI_SHIFT,
919 			 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >>
920 				I40E_NVM_VERSION_LO_SHIFT,
921 			 hw->nvm.eetrack, ver, build, patch);
922 	}
923 
924 	return buf;
925 }
926 
927 /**
928  * i40e_netdev_to_pf: Retrieve the PF struct for given netdev
929  * @netdev: the corresponding netdev
930  *
931  * Return the PF struct for the given netdev
932  **/
933 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev)
934 {
935 	struct i40e_netdev_priv *np = netdev_priv(netdev);
936 	struct i40e_vsi *vsi = np->vsi;
937 
938 	return vsi->back;
939 }
940 
941 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi,
942 				irqreturn_t (*irq_handler)(int, void *))
943 {
944 	vsi->irq_handler = irq_handler;
945 }
946 
947 /**
948  * i40e_get_fd_cnt_all - get the total FD filter space available
949  * @pf: pointer to the PF struct
950  **/
951 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf)
952 {
953 	return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count;
954 }
955 
956 /**
957  * i40e_read_fd_input_set - reads value of flow director input set register
958  * @pf: pointer to the PF struct
959  * @addr: register addr
960  *
961  * This function reads value of flow director input set register
962  * specified by 'addr' (which is specific to flow-type)
963  **/
964 static inline u64 i40e_read_fd_input_set(struct i40e_pf *pf, u16 addr)
965 {
966 	u64 val;
967 
968 	val = i40e_read_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 1));
969 	val <<= 32;
970 	val += i40e_read_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 0));
971 
972 	return val;
973 }
974 
975 /**
976  * i40e_write_fd_input_set - writes value into flow director input set register
977  * @pf: pointer to the PF struct
978  * @addr: register addr
979  * @val: value to be written
980  *
981  * This function writes specified value to the register specified by 'addr'.
982  * This register is input set register based on flow-type.
983  **/
984 static inline void i40e_write_fd_input_set(struct i40e_pf *pf,
985 					   u16 addr, u64 val)
986 {
987 	i40e_write_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 1),
988 			  (u32)(val >> 32));
989 	i40e_write_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 0),
990 			  (u32)(val & 0xFFFFFFFFULL));
991 }
992 
993 /* needed by i40e_ethtool.c */
994 int i40e_up(struct i40e_vsi *vsi);
995 void i40e_down(struct i40e_vsi *vsi);
996 extern const char i40e_driver_name[];
997 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags);
998 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags, bool lock_acquired);
999 int i40e_config_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
1000 int i40e_get_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
1001 void i40e_fill_rss_lut(struct i40e_pf *pf, u8 *lut,
1002 		       u16 rss_table_size, u16 rss_size);
1003 struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id);
1004 /**
1005  * i40e_find_vsi_by_type - Find and return Flow Director VSI
1006  * @pf: PF to search for VSI
1007  * @type: Value indicating type of VSI we are looking for
1008  **/
1009 static inline struct i40e_vsi *
1010 i40e_find_vsi_by_type(struct i40e_pf *pf, u16 type)
1011 {
1012 	int i;
1013 
1014 	for (i = 0; i < pf->num_alloc_vsi; i++) {
1015 		struct i40e_vsi *vsi = pf->vsi[i];
1016 
1017 		if (vsi && vsi->type == type)
1018 			return vsi;
1019 	}
1020 
1021 	return NULL;
1022 }
1023 void i40e_update_stats(struct i40e_vsi *vsi);
1024 void i40e_update_veb_stats(struct i40e_veb *veb);
1025 void i40e_update_eth_stats(struct i40e_vsi *vsi);
1026 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi);
1027 int i40e_fetch_switch_configuration(struct i40e_pf *pf,
1028 				    bool printconfig);
1029 
1030 int i40e_add_del_fdir(struct i40e_vsi *vsi,
1031 		      struct i40e_fdir_filter *input, bool add);
1032 void i40e_fdir_check_and_reenable(struct i40e_pf *pf);
1033 u32 i40e_get_current_fd_count(struct i40e_pf *pf);
1034 u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf);
1035 u32 i40e_get_current_atr_cnt(struct i40e_pf *pf);
1036 u32 i40e_get_global_fd_count(struct i40e_pf *pf);
1037 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features);
1038 void i40e_set_ethtool_ops(struct net_device *netdev);
1039 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
1040 					const u8 *macaddr, s16 vlan);
1041 void __i40e_del_filter(struct i40e_vsi *vsi, struct i40e_mac_filter *f);
1042 void i40e_del_filter(struct i40e_vsi *vsi, const u8 *macaddr, s16 vlan);
1043 int i40e_sync_vsi_filters(struct i40e_vsi *vsi);
1044 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
1045 				u16 uplink, u32 param1);
1046 int i40e_vsi_release(struct i40e_vsi *vsi);
1047 void i40e_service_event_schedule(struct i40e_pf *pf);
1048 void i40e_notify_client_of_vf_msg(struct i40e_vsi *vsi, u32 vf_id,
1049 				  u8 *msg, u16 len);
1050 
1051 int i40e_control_wait_tx_q(int seid, struct i40e_pf *pf, int pf_q, bool is_xdp,
1052 			   bool enable);
1053 int i40e_control_wait_rx_q(struct i40e_pf *pf, int pf_q, bool enable);
1054 int i40e_vsi_start_rings(struct i40e_vsi *vsi);
1055 void i40e_vsi_stop_rings(struct i40e_vsi *vsi);
1056 void i40e_vsi_stop_rings_no_wait(struct  i40e_vsi *vsi);
1057 int i40e_vsi_wait_queues_disabled(struct i40e_vsi *vsi);
1058 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count);
1059 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid,
1060 				u16 downlink_seid, u8 enabled_tc);
1061 void i40e_veb_release(struct i40e_veb *veb);
1062 
1063 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc);
1064 int i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
1065 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi);
1066 void i40e_vsi_reset_stats(struct i40e_vsi *vsi);
1067 void i40e_pf_reset_stats(struct i40e_pf *pf);
1068 #ifdef CONFIG_DEBUG_FS
1069 void i40e_dbg_pf_init(struct i40e_pf *pf);
1070 void i40e_dbg_pf_exit(struct i40e_pf *pf);
1071 void i40e_dbg_init(void);
1072 void i40e_dbg_exit(void);
1073 #else
1074 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {}
1075 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {}
1076 static inline void i40e_dbg_init(void) {}
1077 static inline void i40e_dbg_exit(void) {}
1078 #endif /* CONFIG_DEBUG_FS*/
1079 /* needed by client drivers */
1080 int i40e_lan_add_device(struct i40e_pf *pf);
1081 int i40e_lan_del_device(struct i40e_pf *pf);
1082 void i40e_client_subtask(struct i40e_pf *pf);
1083 void i40e_notify_client_of_l2_param_changes(struct i40e_vsi *vsi);
1084 void i40e_notify_client_of_netdev_close(struct i40e_vsi *vsi, bool reset);
1085 void i40e_notify_client_of_vf_enable(struct i40e_pf *pf, u32 num_vfs);
1086 void i40e_notify_client_of_vf_reset(struct i40e_pf *pf, u32 vf_id);
1087 void i40e_client_update_msix_info(struct i40e_pf *pf);
1088 int i40e_vf_client_capable(struct i40e_pf *pf, u32 vf_id);
1089 /**
1090  * i40e_irq_dynamic_enable - Enable default interrupt generation settings
1091  * @vsi: pointer to a vsi
1092  * @vector: enable a particular Hw Interrupt vector, without base_vector
1093  **/
1094 static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector)
1095 {
1096 	struct i40e_pf *pf = vsi->back;
1097 	struct i40e_hw *hw = &pf->hw;
1098 	u32 val;
1099 
1100 	val = I40E_PFINT_DYN_CTLN_INTENA_MASK |
1101 	      I40E_PFINT_DYN_CTLN_CLEARPBA_MASK |
1102 	      (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT);
1103 	wr32(hw, I40E_PFINT_DYN_CTLN(vector + vsi->base_vector - 1), val);
1104 	/* skip the flush */
1105 }
1106 
1107 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
1108 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf);
1109 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
1110 int i40e_open(struct net_device *netdev);
1111 int i40e_close(struct net_device *netdev);
1112 int i40e_vsi_open(struct i40e_vsi *vsi);
1113 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi);
1114 int i40e_add_vlan_all_mac(struct i40e_vsi *vsi, s16 vid);
1115 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, u16 vid);
1116 void i40e_rm_vlan_all_mac(struct i40e_vsi *vsi, s16 vid);
1117 void i40e_vsi_kill_vlan(struct i40e_vsi *vsi, u16 vid);
1118 struct i40e_mac_filter *i40e_add_mac_filter(struct i40e_vsi *vsi,
1119 					    const u8 *macaddr);
1120 int i40e_del_mac_filter(struct i40e_vsi *vsi, const u8 *macaddr);
1121 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi);
1122 int i40e_count_filters(struct i40e_vsi *vsi);
1123 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, const u8 *macaddr);
1124 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi);
1125 #ifdef CONFIG_I40E_DCB
1126 void i40e_dcbnl_flush_apps(struct i40e_pf *pf,
1127 			   struct i40e_dcbx_config *old_cfg,
1128 			   struct i40e_dcbx_config *new_cfg);
1129 void i40e_dcbnl_set_all(struct i40e_vsi *vsi);
1130 void i40e_dcbnl_setup(struct i40e_vsi *vsi);
1131 bool i40e_dcb_need_reconfig(struct i40e_pf *pf,
1132 			    struct i40e_dcbx_config *old_cfg,
1133 			    struct i40e_dcbx_config *new_cfg);
1134 #endif /* CONFIG_I40E_DCB */
1135 void i40e_ptp_rx_hang(struct i40e_pf *pf);
1136 void i40e_ptp_tx_hang(struct i40e_pf *pf);
1137 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf);
1138 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index);
1139 void i40e_ptp_set_increment(struct i40e_pf *pf);
1140 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
1141 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
1142 void i40e_ptp_save_hw_time(struct i40e_pf *pf);
1143 void i40e_ptp_restore_hw_time(struct i40e_pf *pf);
1144 void i40e_ptp_init(struct i40e_pf *pf);
1145 void i40e_ptp_stop(struct i40e_pf *pf);
1146 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi);
1147 i40e_status i40e_get_partition_bw_setting(struct i40e_pf *pf);
1148 i40e_status i40e_set_partition_bw_setting(struct i40e_pf *pf);
1149 i40e_status i40e_commit_partition_bw_setting(struct i40e_pf *pf);
1150 void i40e_print_link_message(struct i40e_vsi *vsi, bool isup);
1151 
1152 void i40e_set_fec_in_flags(u8 fec_cfg, u32 *flags);
1153 
1154 static inline bool i40e_enabled_xdp_vsi(struct i40e_vsi *vsi)
1155 {
1156 	return !!READ_ONCE(vsi->xdp_prog);
1157 }
1158 
1159 int i40e_create_queue_channel(struct i40e_vsi *vsi, struct i40e_channel *ch);
1160 int i40e_set_bw_limit(struct i40e_vsi *vsi, u16 seid, u64 max_tx_rate);
1161 int i40e_add_del_cloud_filter(struct i40e_vsi *vsi,
1162 			      struct i40e_cloud_filter *filter,
1163 			      bool add);
1164 int i40e_add_del_cloud_filter_big_buf(struct i40e_vsi *vsi,
1165 				      struct i40e_cloud_filter *filter,
1166 				      bool add);
1167 #endif /* _I40E_H_ */
1168