xref: /linux/drivers/net/ethernet/intel/i40e/i40e.h (revision d642ef71)
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 <linux/pci.h>
8 #include <linux/ptp_clock_kernel.h>
9 #include <linux/types.h>
10 #include <linux/avf/virtchnl.h>
11 #include <linux/net/intel/i40e_client.h>
12 #include <net/devlink.h>
13 #include <net/pkt_cls.h>
14 #include <net/udp_tunnel.h>
15 #include "i40e_dcb.h"
16 #include "i40e_debug.h"
17 #include "i40e_devlink.h"
18 #include "i40e_io.h"
19 #include "i40e_prototype.h"
20 #include "i40e_register.h"
21 #include "i40e_txrx.h"
22 
23 /* Useful i40e defaults */
24 #define I40E_MAX_VEB			16
25 
26 #define I40E_MAX_NUM_DESCRIPTORS	4096
27 #define I40E_MAX_CSR_SPACE		(4 * 1024 * 1024 - 64 * 1024)
28 #define I40E_DEFAULT_NUM_DESCRIPTORS	512
29 #define I40E_REQ_DESCRIPTOR_MULTIPLE	32
30 #define I40E_MIN_NUM_DESCRIPTORS	64
31 #define I40E_MIN_MSIX			2
32 #define I40E_DEFAULT_NUM_VMDQ_VSI	8 /* max 256 VSIs */
33 #define I40E_MIN_VSI_ALLOC		83 /* LAN, ATR, FCOE, 64 VF */
34 /* max 16 qps */
35 #define i40e_default_queues_per_vmdq(pf) \
36 		(((pf)->hw_features & I40E_HW_RSS_AQ_CAPABLE) ? 4 : 1)
37 #define I40E_DEFAULT_QUEUES_PER_VF	4
38 #define I40E_MAX_VF_QUEUES		16
39 #define i40e_pf_get_max_q_per_tc(pf) \
40 		(((pf)->hw_features & I40E_HW_128_QP_RSS_CAPABLE) ? 128 : 64)
41 #define I40E_FDIR_RING_COUNT		32
42 #define I40E_MAX_AQ_BUF_SIZE		4096
43 #define I40E_AQ_LEN			256
44 #define I40E_MIN_ARQ_LEN		1
45 #define I40E_MIN_ASQ_LEN		2
46 #define I40E_AQ_WORK_LIMIT		66 /* max number of VFs + a little */
47 #define I40E_MAX_USER_PRIORITY		8
48 #define I40E_DEFAULT_TRAFFIC_CLASS	BIT(0)
49 #define I40E_QUEUE_WAIT_RETRY_LIMIT	10
50 #define I40E_INT_NAME_STR_LEN		(IFNAMSIZ + 16)
51 
52 #define I40E_PHY_DEBUG_ALL \
53 	(I40E_AQ_PHY_DEBUG_DISABLE_LINK_FW | \
54 	I40E_AQ_PHY_DEBUG_DISABLE_ALL_LINK_FW)
55 
56 #define I40E_OEM_EETRACK_ID		0xffffffff
57 #define I40E_NVM_VERSION_LO_MASK	GENMASK(7, 0)
58 #define I40E_NVM_VERSION_HI_MASK	GENMASK(15, 12)
59 #define I40E_OEM_VER_BUILD_MASK		GENMASK(23, 8)
60 #define I40E_OEM_VER_PATCH_MASK		GENMASK(7, 0)
61 #define I40E_OEM_VER_MASK		GENMASK(31, 24)
62 #define I40E_OEM_GEN_MASK		GENMASK(31, 24)
63 #define I40E_OEM_SNAP_MASK		GENMASK(23, 16)
64 #define I40E_OEM_RELEASE_MASK		GENMASK(15, 0)
65 
66 #define I40E_RX_DESC(R, i)	\
67 	(&(((union i40e_rx_desc *)((R)->desc))[i]))
68 #define I40E_TX_DESC(R, i)	\
69 	(&(((struct i40e_tx_desc *)((R)->desc))[i]))
70 #define I40E_TX_CTXTDESC(R, i)	\
71 	(&(((struct i40e_tx_context_desc *)((R)->desc))[i]))
72 #define I40E_TX_FDIRDESC(R, i)	\
73 	(&(((struct i40e_filter_program_desc *)((R)->desc))[i]))
74 
75 /* BW rate limiting */
76 #define I40E_BW_CREDIT_DIVISOR		50 /* 50Mbps per BW credit */
77 #define I40E_BW_MBPS_DIVISOR		125000 /* rate / (1000000 / 8) Mbps */
78 #define I40E_MAX_BW_INACTIVE_ACCUM	4 /* accumulate 4 credits max */
79 
80 /* driver state flags */
81 enum i40e_state_t {
82 	__I40E_TESTING,
83 	__I40E_CONFIG_BUSY,
84 	__I40E_CONFIG_DONE,
85 	__I40E_DOWN,
86 	__I40E_SERVICE_SCHED,
87 	__I40E_ADMINQ_EVENT_PENDING,
88 	__I40E_MDD_EVENT_PENDING,
89 	__I40E_VFLR_EVENT_PENDING,
90 	__I40E_RESET_RECOVERY_PENDING,
91 	__I40E_TIMEOUT_RECOVERY_PENDING,
92 	__I40E_MISC_IRQ_REQUESTED,
93 	__I40E_RESET_INTR_RECEIVED,
94 	__I40E_REINIT_REQUESTED,
95 	__I40E_PF_RESET_REQUESTED,
96 	__I40E_PF_RESET_AND_REBUILD_REQUESTED,
97 	__I40E_CORE_RESET_REQUESTED,
98 	__I40E_GLOBAL_RESET_REQUESTED,
99 	__I40E_EMP_RESET_INTR_RECEIVED,
100 	__I40E_SUSPENDED,
101 	__I40E_PTP_TX_IN_PROGRESS,
102 	__I40E_BAD_EEPROM,
103 	__I40E_DOWN_REQUESTED,
104 	__I40E_FD_FLUSH_REQUESTED,
105 	__I40E_FD_ATR_AUTO_DISABLED,
106 	__I40E_FD_SB_AUTO_DISABLED,
107 	__I40E_RESET_FAILED,
108 	__I40E_PORT_SUSPENDED,
109 	__I40E_VF_DISABLE,
110 	__I40E_MACVLAN_SYNC_PENDING,
111 	__I40E_TEMP_LINK_POLLING,
112 	__I40E_CLIENT_SERVICE_REQUESTED,
113 	__I40E_CLIENT_L2_CHANGE,
114 	__I40E_CLIENT_RESET,
115 	__I40E_VIRTCHNL_OP_PENDING,
116 	__I40E_RECOVERY_MODE,
117 	__I40E_VF_RESETS_DISABLED,	/* disable resets during i40e_remove */
118 	__I40E_IN_REMOVE,
119 	__I40E_VFS_RELEASING,
120 	/* This must be last as it determines the size of the BITMAP */
121 	__I40E_STATE_SIZE__,
122 };
123 
124 #define I40E_PF_RESET_FLAG	BIT_ULL(__I40E_PF_RESET_REQUESTED)
125 #define I40E_PF_RESET_AND_REBUILD_FLAG	\
126 	BIT_ULL(__I40E_PF_RESET_AND_REBUILD_REQUESTED)
127 
128 /* VSI state flags */
129 enum i40e_vsi_state_t {
130 	__I40E_VSI_DOWN,
131 	__I40E_VSI_NEEDS_RESTART,
132 	__I40E_VSI_SYNCING_FILTERS,
133 	__I40E_VSI_OVERFLOW_PROMISC,
134 	__I40E_VSI_REINIT_REQUESTED,
135 	__I40E_VSI_DOWN_REQUESTED,
136 	__I40E_VSI_RELEASING,
137 	/* This must be last as it determines the size of the BITMAP */
138 	__I40E_VSI_STATE_SIZE__,
139 };
140 
141 enum i40e_interrupt_policy {
142 	I40E_INTERRUPT_BEST_CASE,
143 	I40E_INTERRUPT_MEDIUM,
144 	I40E_INTERRUPT_LOWEST
145 };
146 
147 struct i40e_lump_tracking {
148 	u16 num_entries;
149 	u16 list[];
150 #define I40E_PILE_VALID_BIT  0x8000
151 #define I40E_IWARP_IRQ_PILE_ID  (I40E_PILE_VALID_BIT - 2)
152 };
153 
154 #define I40E_DEFAULT_ATR_SAMPLE_RATE	20
155 #define I40E_FDIR_MAX_RAW_PACKET_SIZE	512
156 #define I40E_FDIR_BUFFER_FULL_MARGIN	10
157 #define I40E_FDIR_BUFFER_HEAD_ROOM	32
158 #define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4)
159 
160 #define I40E_HKEY_ARRAY_SIZE	((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4)
161 #define I40E_HLUT_ARRAY_SIZE	((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
162 #define I40E_VF_HLUT_ARRAY_SIZE	((I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4)
163 
164 enum i40e_fd_stat_idx {
165 	I40E_FD_STAT_ATR,
166 	I40E_FD_STAT_SB,
167 	I40E_FD_STAT_ATR_TUNNEL,
168 	I40E_FD_STAT_PF_COUNT
169 };
170 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT)
171 #define I40E_FD_ATR_STAT_IDX(pf_id) \
172 			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR)
173 #define I40E_FD_SB_STAT_IDX(pf_id)  \
174 			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB)
175 #define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \
176 			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL)
177 
178 /* The following structure contains the data parsed from the user-defined
179  * field of the ethtool_rx_flow_spec structure.
180  */
181 struct i40e_rx_flow_userdef {
182 	bool flex_filter;
183 	u16 flex_word;
184 	u16 flex_offset;
185 };
186 
187 struct i40e_fdir_filter {
188 	struct hlist_node fdir_node;
189 	/* filter ipnut set */
190 	u8 flow_type;
191 	u8 ipl4_proto;
192 	/* TX packet view of src and dst */
193 	__be32 dst_ip;
194 	__be32 src_ip;
195 	__be32 dst_ip6[4];
196 	__be32 src_ip6[4];
197 	__be16 src_port;
198 	__be16 dst_port;
199 	__be32 sctp_v_tag;
200 
201 	__be16 vlan_etype;
202 	__be16 vlan_tag;
203 	/* Flexible data to match within the packet payload */
204 	__be16 flex_word;
205 	u16 flex_offset;
206 	bool flex_filter;
207 
208 	/* filter control */
209 	u16 q_index;
210 	u8  flex_off;
211 	u8  pctype;
212 	u16 dest_vsi;
213 	u8  dest_ctl;
214 	u8  fd_status;
215 	u16 cnt_index;
216 	u32 fd_id;
217 };
218 
219 #define I40E_CLOUD_FIELD_OMAC		BIT(0)
220 #define I40E_CLOUD_FIELD_IMAC		BIT(1)
221 #define I40E_CLOUD_FIELD_IVLAN		BIT(2)
222 #define I40E_CLOUD_FIELD_TEN_ID		BIT(3)
223 #define I40E_CLOUD_FIELD_IIP		BIT(4)
224 
225 #define I40E_CLOUD_FILTER_FLAGS_OMAC	I40E_CLOUD_FIELD_OMAC
226 #define I40E_CLOUD_FILTER_FLAGS_IMAC	I40E_CLOUD_FIELD_IMAC
227 #define I40E_CLOUD_FILTER_FLAGS_IMAC_IVLAN	(I40E_CLOUD_FIELD_IMAC | \
228 						 I40E_CLOUD_FIELD_IVLAN)
229 #define I40E_CLOUD_FILTER_FLAGS_IMAC_TEN_ID	(I40E_CLOUD_FIELD_IMAC | \
230 						 I40E_CLOUD_FIELD_TEN_ID)
231 #define I40E_CLOUD_FILTER_FLAGS_OMAC_TEN_ID_IMAC (I40E_CLOUD_FIELD_OMAC | \
232 						  I40E_CLOUD_FIELD_IMAC | \
233 						  I40E_CLOUD_FIELD_TEN_ID)
234 #define I40E_CLOUD_FILTER_FLAGS_IMAC_IVLAN_TEN_ID (I40E_CLOUD_FIELD_IMAC | \
235 						   I40E_CLOUD_FIELD_IVLAN | \
236 						   I40E_CLOUD_FIELD_TEN_ID)
237 #define I40E_CLOUD_FILTER_FLAGS_IIP	I40E_CLOUD_FIELD_IIP
238 
239 struct i40e_cloud_filter {
240 	struct hlist_node cloud_node;
241 	unsigned long cookie;
242 	/* cloud filter input set follows */
243 	u8 dst_mac[ETH_ALEN];
244 	u8 src_mac[ETH_ALEN];
245 	__be16 vlan_id;
246 	u16 seid;       /* filter control */
247 	__be16 dst_port;
248 	__be16 src_port;
249 	u32 tenant_id;
250 	union {
251 		struct {
252 			struct in_addr dst_ip;
253 			struct in_addr src_ip;
254 		} v4;
255 		struct {
256 			struct in6_addr dst_ip6;
257 			struct in6_addr src_ip6;
258 		} v6;
259 	} ip;
260 #define dst_ipv6	ip.v6.dst_ip6.s6_addr32
261 #define src_ipv6	ip.v6.src_ip6.s6_addr32
262 #define dst_ipv4	ip.v4.dst_ip.s_addr
263 #define src_ipv4	ip.v4.src_ip.s_addr
264 	u16 n_proto;    /* Ethernet Protocol */
265 	u8 ip_proto;    /* IPPROTO value */
266 	u8 flags;
267 #define I40E_CLOUD_TNL_TYPE_NONE        0xff
268 	u8 tunnel_type;
269 };
270 
271 #define I40E_DCB_PRIO_TYPE_STRICT	0
272 #define I40E_DCB_PRIO_TYPE_ETS		1
273 #define I40E_DCB_STRICT_PRIO_CREDITS	127
274 /* DCB per TC information data structure */
275 struct i40e_tc_info {
276 	u16	qoffset;	/* Queue offset from base queue */
277 	u16	qcount;		/* Total Queues */
278 	u8	netdev_tc;	/* Netdev TC index if netdev associated */
279 };
280 
281 /* TC configuration data structure */
282 struct i40e_tc_configuration {
283 	u8	numtc;		/* Total number of enabled TCs */
284 	u8	enabled_tc;	/* TC map */
285 	struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS];
286 };
287 
288 #define I40E_UDP_PORT_INDEX_UNUSED	255
289 struct i40e_udp_port_config {
290 	/* AdminQ command interface expects port number in Host byte order */
291 	u16 port;
292 	u8 type;
293 	u8 filter_index;
294 };
295 
296 /* macros related to FLX_PIT */
297 #define I40E_FLEX_SET_FSIZE(fsize) (((fsize) << \
298 				    I40E_PRTQF_FLX_PIT_FSIZE_SHIFT) & \
299 				    I40E_PRTQF_FLX_PIT_FSIZE_MASK)
300 #define I40E_FLEX_SET_DST_WORD(dst) (((dst) << \
301 				     I40E_PRTQF_FLX_PIT_DEST_OFF_SHIFT) & \
302 				     I40E_PRTQF_FLX_PIT_DEST_OFF_MASK)
303 #define I40E_FLEX_SET_SRC_WORD(src) (((src) << \
304 				     I40E_PRTQF_FLX_PIT_SOURCE_OFF_SHIFT) & \
305 				     I40E_PRTQF_FLX_PIT_SOURCE_OFF_MASK)
306 #define I40E_FLEX_PREP_VAL(dst, fsize, src) (I40E_FLEX_SET_DST_WORD(dst) | \
307 					     I40E_FLEX_SET_FSIZE(fsize) | \
308 					     I40E_FLEX_SET_SRC_WORD(src))
309 
310 
311 #define I40E_MAX_FLEX_SRC_OFFSET 0x1F
312 
313 /* macros related to GLQF_ORT */
314 #define I40E_ORT_SET_IDX(idx)		(((idx) << \
315 					  I40E_GLQF_ORT_PIT_INDX_SHIFT) & \
316 					 I40E_GLQF_ORT_PIT_INDX_MASK)
317 
318 #define I40E_ORT_SET_COUNT(count)	(((count) << \
319 					  I40E_GLQF_ORT_FIELD_CNT_SHIFT) & \
320 					 I40E_GLQF_ORT_FIELD_CNT_MASK)
321 
322 #define I40E_ORT_SET_PAYLOAD(payload)	(((payload) << \
323 					  I40E_GLQF_ORT_FLX_PAYLOAD_SHIFT) & \
324 					 I40E_GLQF_ORT_FLX_PAYLOAD_MASK)
325 
326 #define I40E_ORT_PREP_VAL(idx, count, payload) (I40E_ORT_SET_IDX(idx) | \
327 						I40E_ORT_SET_COUNT(count) | \
328 						I40E_ORT_SET_PAYLOAD(payload))
329 
330 #define I40E_L3_GLQF_ORT_IDX		34
331 #define I40E_L4_GLQF_ORT_IDX		35
332 
333 /* Flex PIT register index */
334 #define I40E_FLEX_PIT_IDX_START_L3	3
335 #define I40E_FLEX_PIT_IDX_START_L4	6
336 
337 #define I40E_FLEX_PIT_TABLE_SIZE	3
338 
339 #define I40E_FLEX_DEST_UNUSED		63
340 
341 #define I40E_FLEX_INDEX_ENTRIES		8
342 
343 /* Flex MASK to disable all flexible entries */
344 #define I40E_FLEX_INPUT_MASK	(I40E_FLEX_50_MASK | I40E_FLEX_51_MASK | \
345 				 I40E_FLEX_52_MASK | I40E_FLEX_53_MASK | \
346 				 I40E_FLEX_54_MASK | I40E_FLEX_55_MASK | \
347 				 I40E_FLEX_56_MASK | I40E_FLEX_57_MASK)
348 
349 #define I40E_QINT_TQCTL_VAL(qp, vector, nextq_type) \
350 	(I40E_QINT_TQCTL_CAUSE_ENA_MASK | \
351 	(I40E_TX_ITR << I40E_QINT_TQCTL_ITR_INDX_SHIFT) | \
352 	((vector) << I40E_QINT_TQCTL_MSIX_INDX_SHIFT) | \
353 	((qp) << I40E_QINT_TQCTL_NEXTQ_INDX_SHIFT) | \
354 	(I40E_QUEUE_TYPE_##nextq_type << I40E_QINT_TQCTL_NEXTQ_TYPE_SHIFT))
355 
356 #define I40E_QINT_RQCTL_VAL(qp, vector, nextq_type) \
357 	(I40E_QINT_RQCTL_CAUSE_ENA_MASK | \
358 	(I40E_RX_ITR << I40E_QINT_RQCTL_ITR_INDX_SHIFT) | \
359 	((vector) << I40E_QINT_RQCTL_MSIX_INDX_SHIFT) | \
360 	((qp) << I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT) | \
361 	(I40E_QUEUE_TYPE_##nextq_type << I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT))
362 
363 struct i40e_flex_pit {
364 	struct list_head list;
365 	u16 src_offset;
366 	u8 pit_index;
367 };
368 
369 struct i40e_fwd_adapter {
370 	struct net_device *netdev;
371 	int bit_no;
372 };
373 
374 struct i40e_channel {
375 	struct list_head list;
376 	bool initialized;
377 	u8 type;
378 	u16 vsi_number; /* Assigned VSI number from AQ 'Add VSI' response */
379 	u16 stat_counter_idx;
380 	u16 base_queue;
381 	u16 num_queue_pairs; /* Requested by user */
382 	u16 seid;
383 
384 	u8 enabled_tc;
385 	struct i40e_aqc_vsi_properties_data info;
386 
387 	u64 max_tx_rate;
388 	struct i40e_fwd_adapter *fwd;
389 
390 	/* track this channel belongs to which VSI */
391 	struct i40e_vsi *parent_vsi;
392 };
393 
394 struct i40e_ptp_pins_settings;
395 
396 static inline bool i40e_is_channel_macvlan(struct i40e_channel *ch)
397 {
398 	return !!ch->fwd;
399 }
400 
401 static inline const u8 *i40e_channel_mac(struct i40e_channel *ch)
402 {
403 	if (i40e_is_channel_macvlan(ch))
404 		return ch->fwd->netdev->dev_addr;
405 	else
406 		return NULL;
407 }
408 
409 /* struct that defines the Ethernet device */
410 struct i40e_pf {
411 	struct pci_dev *pdev;
412 	struct devlink_port devlink_port;
413 	struct i40e_hw hw;
414 	DECLARE_BITMAP(state, __I40E_STATE_SIZE__);
415 	struct msix_entry *msix_entries;
416 	bool fc_autoneg_status;
417 
418 	u16 eeprom_version;
419 	u16 num_vmdq_vsis;         /* num vmdq vsis this PF has set up */
420 	u16 num_vmdq_qps;          /* num queue pairs per vmdq pool */
421 	u16 num_vmdq_msix;         /* num queue vectors per vmdq pool */
422 	u16 num_req_vfs;           /* num VFs requested for this PF */
423 	u16 num_vf_qps;            /* num queue pairs per VF */
424 	u16 num_lan_qps;           /* num lan queues this PF has set up */
425 	u16 num_lan_msix;          /* num queue vectors for the base PF vsi */
426 	u16 num_fdsb_msix;         /* num queue vectors for sideband Fdir */
427 	u16 num_iwarp_msix;        /* num of iwarp vectors for this PF */
428 	int iwarp_base_vector;
429 	int queues_left;           /* queues left unclaimed */
430 	u16 alloc_rss_size;        /* allocated RSS queues */
431 	u16 rss_size_max;          /* HW defined max RSS queues */
432 	u16 fdir_pf_filter_count;  /* num of guaranteed filters for this PF */
433 	u16 num_alloc_vsi;         /* num VSIs this driver supports */
434 	u8 atr_sample_rate;
435 	bool wol_en;
436 
437 	struct hlist_head fdir_filter_list;
438 	u16 fdir_pf_active_filters;
439 	unsigned long fd_flush_timestamp;
440 	u32 fd_flush_cnt;
441 	u32 fd_add_err;
442 	u32 fd_atr_cnt;
443 
444 	/* Book-keeping of side-band filter count per flow-type.
445 	 * This is used to detect and handle input set changes for
446 	 * respective flow-type.
447 	 */
448 	u16 fd_tcp4_filter_cnt;
449 	u16 fd_udp4_filter_cnt;
450 	u16 fd_sctp4_filter_cnt;
451 	u16 fd_ip4_filter_cnt;
452 
453 	u16 fd_tcp6_filter_cnt;
454 	u16 fd_udp6_filter_cnt;
455 	u16 fd_sctp6_filter_cnt;
456 	u16 fd_ip6_filter_cnt;
457 
458 	/* Flexible filter table values that need to be programmed into
459 	 * hardware, which expects L3 and L4 to be programmed separately. We
460 	 * need to ensure that the values are in ascended order and don't have
461 	 * duplicates, so we track each L3 and L4 values in separate lists.
462 	 */
463 	struct list_head l3_flex_pit_list;
464 	struct list_head l4_flex_pit_list;
465 
466 	struct udp_tunnel_nic_shared udp_tunnel_shared;
467 	struct udp_tunnel_nic_info udp_tunnel_nic;
468 
469 	struct hlist_head cloud_filter_list;
470 	u16 num_cloud_filters;
471 
472 	enum i40e_interrupt_policy int_policy;
473 	u16 rx_itr_default;
474 	u16 tx_itr_default;
475 	u32 msg_enable;
476 	char int_name[I40E_INT_NAME_STR_LEN];
477 	u16 adminq_work_limit; /* num of admin receive queue desc to process */
478 	unsigned long service_timer_period;
479 	unsigned long service_timer_previous;
480 	struct timer_list service_timer;
481 	struct work_struct service_task;
482 
483 	u32 hw_features;
484 #define I40E_HW_RSS_AQ_CAPABLE			BIT(0)
485 #define I40E_HW_128_QP_RSS_CAPABLE		BIT(1)
486 #define I40E_HW_ATR_EVICT_CAPABLE		BIT(2)
487 #define I40E_HW_WB_ON_ITR_CAPABLE		BIT(3)
488 #define I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE	BIT(4)
489 #define I40E_HW_NO_PCI_LINK_CHECK		BIT(5)
490 #define I40E_HW_100M_SGMII_CAPABLE		BIT(6)
491 #define I40E_HW_NO_DCB_SUPPORT			BIT(7)
492 #define I40E_HW_USE_SET_LLDP_MIB		BIT(8)
493 #define I40E_HW_GENEVE_OFFLOAD_CAPABLE		BIT(9)
494 #define I40E_HW_PTP_L4_CAPABLE			BIT(10)
495 #define I40E_HW_WOL_MC_MAGIC_PKT_WAKE		BIT(11)
496 #define I40E_HW_HAVE_CRT_RETIMER		BIT(13)
497 #define I40E_HW_OUTER_UDP_CSUM_CAPABLE		BIT(14)
498 #define I40E_HW_PHY_CONTROLS_LEDS		BIT(15)
499 #define I40E_HW_STOP_FW_LLDP			BIT(16)
500 #define I40E_HW_PORT_ID_VALID			BIT(17)
501 #define I40E_HW_RESTART_AUTONEG			BIT(18)
502 
503 	u32 flags;
504 #define I40E_FLAG_RX_CSUM_ENABLED		BIT(0)
505 #define I40E_FLAG_MSI_ENABLED			BIT(1)
506 #define I40E_FLAG_MSIX_ENABLED			BIT(2)
507 #define I40E_FLAG_RSS_ENABLED			BIT(3)
508 #define I40E_FLAG_VMDQ_ENABLED			BIT(4)
509 #define I40E_FLAG_SRIOV_ENABLED			BIT(5)
510 #define I40E_FLAG_DCB_CAPABLE			BIT(6)
511 #define I40E_FLAG_DCB_ENABLED			BIT(7)
512 #define I40E_FLAG_FD_SB_ENABLED			BIT(8)
513 #define I40E_FLAG_FD_ATR_ENABLED		BIT(9)
514 #define I40E_FLAG_MFP_ENABLED			BIT(10)
515 #define I40E_FLAG_HW_ATR_EVICT_ENABLED		BIT(11)
516 #define I40E_FLAG_VEB_MODE_ENABLED		BIT(12)
517 #define I40E_FLAG_VEB_STATS_ENABLED		BIT(13)
518 #define I40E_FLAG_LINK_POLLING_ENABLED		BIT(14)
519 #define I40E_FLAG_TRUE_PROMISC_SUPPORT		BIT(15)
520 #define I40E_FLAG_LEGACY_RX			BIT(16)
521 #define I40E_FLAG_PTP				BIT(17)
522 #define I40E_FLAG_IWARP_ENABLED			BIT(18)
523 #define I40E_FLAG_LINK_DOWN_ON_CLOSE_ENABLED	BIT(19)
524 #define I40E_FLAG_SOURCE_PRUNING_DISABLED       BIT(20)
525 #define I40E_FLAG_TC_MQPRIO			BIT(21)
526 #define I40E_FLAG_FD_SB_INACTIVE		BIT(22)
527 #define I40E_FLAG_FD_SB_TO_CLOUD_FILTER		BIT(23)
528 #define I40E_FLAG_DISABLE_FW_LLDP		BIT(24)
529 #define I40E_FLAG_RS_FEC			BIT(25)
530 #define I40E_FLAG_BASE_R_FEC			BIT(26)
531 /* TOTAL_PORT_SHUTDOWN
532  * Allows to physically disable the link on the NIC's port.
533  * If enabled, (after link down request from the OS)
534  * no link, traffic or led activity is possible on that port.
535  *
536  * If I40E_FLAG_TOTAL_PORT_SHUTDOWN_ENABLED is set, the
537  * I40E_FLAG_LINK_DOWN_ON_CLOSE_ENABLED must be explicitly forced to true
538  * and cannot be disabled by system admin at that time.
539  * The functionalities are exclusive in terms of configuration, but they also
540  * have similar behavior (allowing to disable physical link of the port),
541  * with following differences:
542  * - LINK_DOWN_ON_CLOSE_ENABLED is configurable at host OS run-time and is
543  *   supported by whole family of 7xx Intel Ethernet Controllers
544  * - TOTAL_PORT_SHUTDOWN may be enabled only before OS loads (in BIOS)
545  *   only if motherboard's BIOS and NIC's FW has support of it
546  * - when LINK_DOWN_ON_CLOSE_ENABLED is used, the link is being brought down
547  *   by sending phy_type=0 to NIC's FW
548  * - when TOTAL_PORT_SHUTDOWN is used, phy_type is not altered, instead
549  *   the link is being brought down by clearing bit (I40E_AQ_PHY_ENABLE_LINK)
550  *   in abilities field of i40e_aq_set_phy_config structure
551  */
552 #define I40E_FLAG_TOTAL_PORT_SHUTDOWN_ENABLED	BIT(27)
553 #define I40E_FLAG_VF_VLAN_PRUNING		BIT(28)
554 
555 	struct i40e_client_instance *cinst;
556 	bool stat_offsets_loaded;
557 	struct i40e_hw_port_stats stats;
558 	struct i40e_hw_port_stats stats_offsets;
559 	u32 tx_timeout_count;
560 	u32 tx_timeout_recovery_level;
561 	unsigned long tx_timeout_last_recovery;
562 	u32 tx_sluggish_count;
563 	u32 hw_csum_rx_error;
564 	u32 led_status;
565 	u16 corer_count; /* Core reset count */
566 	u16 globr_count; /* Global reset count */
567 	u16 empr_count; /* EMP reset count */
568 	u16 pfr_count; /* PF reset count */
569 	u16 sw_int_count; /* SW interrupt count */
570 
571 	struct mutex switch_mutex;
572 	u16 lan_vsi;       /* our default LAN VSI */
573 	u16 lan_veb;       /* initial relay, if exists */
574 #define I40E_NO_VEB	0xffff
575 #define I40E_NO_VSI	0xffff
576 	u16 next_vsi;      /* Next unallocated VSI - 0-based! */
577 	struct i40e_vsi **vsi;
578 	struct i40e_veb *veb[I40E_MAX_VEB];
579 
580 	struct i40e_lump_tracking *qp_pile;
581 	struct i40e_lump_tracking *irq_pile;
582 
583 	/* switch config info */
584 	u16 pf_seid;
585 	u16 main_vsi_seid;
586 	u16 mac_seid;
587 	struct kobject *switch_kobj;
588 #ifdef CONFIG_DEBUG_FS
589 	struct dentry *i40e_dbg_pf;
590 #endif /* CONFIG_DEBUG_FS */
591 	bool cur_promisc;
592 
593 	u16 instance; /* A unique number per i40e_pf instance in the system */
594 
595 	/* sr-iov config info */
596 	struct i40e_vf *vf;
597 	int num_alloc_vfs;	/* actual number of VFs allocated */
598 	u32 vf_aq_requests;
599 	u32 arq_overflows;	/* Not fatal, possibly indicative of problems */
600 
601 	/* DCBx/DCBNL capability for PF that indicates
602 	 * whether DCBx is managed by firmware or host
603 	 * based agent (LLDPAD). Also, indicates what
604 	 * flavor of DCBx protocol (IEEE/CEE) is supported
605 	 * by the device. For now we're supporting IEEE
606 	 * mode only.
607 	 */
608 	u16 dcbx_cap;
609 
610 	struct i40e_filter_control_settings filter_settings;
611 	struct i40e_rx_pb_config pb_cfg; /* Current Rx packet buffer config */
612 	struct i40e_dcbx_config tmp_cfg;
613 
614 /* GPIO defines used by PTP */
615 #define I40E_SDP3_2			18
616 #define I40E_SDP3_3			19
617 #define I40E_GPIO_4			20
618 #define I40E_LED2_0			26
619 #define I40E_LED2_1			27
620 #define I40E_LED3_0			28
621 #define I40E_LED3_1			29
622 #define I40E_GLGEN_GPIO_SET_SDP_DATA_HI \
623 	(1 << I40E_GLGEN_GPIO_SET_SDP_DATA_SHIFT)
624 #define I40E_GLGEN_GPIO_SET_DRV_SDP_DATA \
625 	(1 << I40E_GLGEN_GPIO_SET_DRIVE_SDP_SHIFT)
626 #define I40E_GLGEN_GPIO_CTL_PRT_NUM_0 \
627 	(0 << I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT)
628 #define I40E_GLGEN_GPIO_CTL_PRT_NUM_1 \
629 	(1 << I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT)
630 #define I40E_GLGEN_GPIO_CTL_RESERVED	BIT(2)
631 #define I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_Z \
632 	(1 << I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_SHIFT)
633 #define I40E_GLGEN_GPIO_CTL_DIR_OUT \
634 	(1 << I40E_GLGEN_GPIO_CTL_PIN_DIR_SHIFT)
635 #define I40E_GLGEN_GPIO_CTL_TRI_DRV_HI \
636 	(1 << I40E_GLGEN_GPIO_CTL_TRI_CTL_SHIFT)
637 #define I40E_GLGEN_GPIO_CTL_OUT_HI_RST \
638 	(1 << I40E_GLGEN_GPIO_CTL_OUT_CTL_SHIFT)
639 #define I40E_GLGEN_GPIO_CTL_TIMESYNC_0 \
640 	(3 << I40E_GLGEN_GPIO_CTL_PIN_FUNC_SHIFT)
641 #define I40E_GLGEN_GPIO_CTL_TIMESYNC_1 \
642 	(4 << I40E_GLGEN_GPIO_CTL_PIN_FUNC_SHIFT)
643 #define I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN \
644 	(0x3F << I40E_GLGEN_GPIO_CTL_PHY_PIN_NAME_SHIFT)
645 #define I40E_GLGEN_GPIO_CTL_OUT_DEFAULT \
646 	(1 << I40E_GLGEN_GPIO_CTL_OUT_DEFAULT_SHIFT)
647 #define I40E_GLGEN_GPIO_CTL_PORT_0_IN_TIMESYNC_0 \
648 	(I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \
649 	 I40E_GLGEN_GPIO_CTL_TIMESYNC_0 | \
650 	 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_0)
651 #define I40E_GLGEN_GPIO_CTL_PORT_1_IN_TIMESYNC_0 \
652 	(I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \
653 	 I40E_GLGEN_GPIO_CTL_TIMESYNC_0 | \
654 	 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_1)
655 #define I40E_GLGEN_GPIO_CTL_PORT_0_OUT_TIMESYNC_1 \
656 	(I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \
657 	 I40E_GLGEN_GPIO_CTL_TIMESYNC_1 | I40E_GLGEN_GPIO_CTL_OUT_HI_RST | \
658 	 I40E_GLGEN_GPIO_CTL_TRI_DRV_HI | I40E_GLGEN_GPIO_CTL_DIR_OUT | \
659 	 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_0)
660 #define I40E_GLGEN_GPIO_CTL_PORT_1_OUT_TIMESYNC_1 \
661 	(I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \
662 	 I40E_GLGEN_GPIO_CTL_TIMESYNC_1 | I40E_GLGEN_GPIO_CTL_OUT_HI_RST | \
663 	 I40E_GLGEN_GPIO_CTL_TRI_DRV_HI | I40E_GLGEN_GPIO_CTL_DIR_OUT | \
664 	 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_1)
665 #define I40E_GLGEN_GPIO_CTL_LED_INIT \
666 	(I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_Z | \
667 	 I40E_GLGEN_GPIO_CTL_DIR_OUT | \
668 	 I40E_GLGEN_GPIO_CTL_TRI_DRV_HI | \
669 	 I40E_GLGEN_GPIO_CTL_OUT_HI_RST | \
670 	 I40E_GLGEN_GPIO_CTL_OUT_DEFAULT | \
671 	 I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN)
672 #define I40E_PRTTSYN_AUX_1_INSTNT \
673 	(1 << I40E_PRTTSYN_AUX_1_INSTNT_SHIFT)
674 #define I40E_PRTTSYN_AUX_0_OUT_ENABLE \
675 	(1 << I40E_PRTTSYN_AUX_0_OUT_ENA_SHIFT)
676 #define I40E_PRTTSYN_AUX_0_OUT_CLK_MOD	(3 << I40E_PRTTSYN_AUX_0_OUTMOD_SHIFT)
677 #define I40E_PRTTSYN_AUX_0_OUT_ENABLE_CLK_MOD \
678 	(I40E_PRTTSYN_AUX_0_OUT_ENABLE | I40E_PRTTSYN_AUX_0_OUT_CLK_MOD)
679 #define I40E_PTP_HALF_SECOND		500000000LL /* nano seconds */
680 #define I40E_PTP_2_SEC_DELAY		2
681 
682 	struct ptp_clock *ptp_clock;
683 	struct ptp_clock_info ptp_caps;
684 	struct sk_buff *ptp_tx_skb;
685 	unsigned long ptp_tx_start;
686 	struct hwtstamp_config tstamp_config;
687 	struct timespec64 ptp_prev_hw_time;
688 	struct work_struct ptp_pps_work;
689 	struct work_struct ptp_extts0_work;
690 	struct work_struct ptp_extts1_work;
691 	ktime_t ptp_reset_start;
692 	struct mutex tmreg_lock; /* Used to protect the SYSTIME registers. */
693 	u32 ptp_adj_mult;
694 	u32 tx_hwtstamp_timeouts;
695 	u32 tx_hwtstamp_skipped;
696 	u32 rx_hwtstamp_cleared;
697 	u32 latch_event_flags;
698 	u64 ptp_pps_start;
699 	u32 pps_delay;
700 	spinlock_t ptp_rx_lock; /* Used to protect Rx timestamp registers. */
701 	struct ptp_pin_desc ptp_pin[3];
702 	unsigned long latch_events[4];
703 	bool ptp_tx;
704 	bool ptp_rx;
705 	struct i40e_ptp_pins_settings *ptp_pins;
706 	u16 rss_table_size; /* HW RSS table size */
707 	u32 max_bw;
708 	u32 min_bw;
709 
710 	u32 ioremap_len;
711 	u32 fd_inv;
712 	u16 phy_led_val;
713 
714 	u16 override_q_count;
715 	u16 last_sw_conf_flags;
716 	u16 last_sw_conf_valid_flags;
717 	/* List to keep previous DDP profiles to be rolled back in the future */
718 	struct list_head ddp_old_prof;
719 };
720 
721 /**
722  * i40e_mac_to_hkey - Convert a 6-byte MAC Address to a u64 hash key
723  * @macaddr: the MAC Address as the base key
724  *
725  * Simply copies the address and returns it as a u64 for hashing
726  **/
727 static inline u64 i40e_addr_to_hkey(const u8 *macaddr)
728 {
729 	u64 key = 0;
730 
731 	ether_addr_copy((u8 *)&key, macaddr);
732 	return key;
733 }
734 
735 enum i40e_filter_state {
736 	I40E_FILTER_INVALID = 0,	/* Invalid state */
737 	I40E_FILTER_NEW,		/* New, not sent to FW yet */
738 	I40E_FILTER_ACTIVE,		/* Added to switch by FW */
739 	I40E_FILTER_FAILED,		/* Rejected by FW */
740 	I40E_FILTER_REMOVE,		/* To be removed */
741 /* There is no 'removed' state; the filter struct is freed */
742 };
743 struct i40e_mac_filter {
744 	struct hlist_node hlist;
745 	u8 macaddr[ETH_ALEN];
746 #define I40E_VLAN_ANY -1
747 	s16 vlan;
748 	enum i40e_filter_state state;
749 };
750 
751 /* Wrapper structure to keep track of filters while we are preparing to send
752  * firmware commands. We cannot send firmware commands while holding a
753  * spinlock, since it might sleep. To avoid this, we wrap the added filters in
754  * a separate structure, which will track the state change and update the real
755  * filter while under lock. We can't simply hold the filters in a separate
756  * list, as this opens a window for a race condition when adding new MAC
757  * addresses to all VLANs, or when adding new VLANs to all MAC addresses.
758  */
759 struct i40e_new_mac_filter {
760 	struct hlist_node hlist;
761 	struct i40e_mac_filter *f;
762 
763 	/* Track future changes to state separately */
764 	enum i40e_filter_state state;
765 };
766 
767 struct i40e_veb {
768 	struct i40e_pf *pf;
769 	u16 idx;
770 	u16 veb_idx;		/* index of VEB parent */
771 	u16 seid;
772 	u16 uplink_seid;
773 	u16 stats_idx;		/* index of VEB parent */
774 	u8  enabled_tc;
775 	u16 bridge_mode;	/* Bridge Mode (VEB/VEPA) */
776 	u16 flags;
777 	u16 bw_limit;
778 	u8  bw_max_quanta;
779 	bool is_abs_credits;
780 	u8  bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS];
781 	u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS];
782 	u8  bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS];
783 	struct kobject *kobj;
784 	bool stat_offsets_loaded;
785 	struct i40e_eth_stats stats;
786 	struct i40e_eth_stats stats_offsets;
787 	struct i40e_veb_tc_stats tc_stats;
788 	struct i40e_veb_tc_stats tc_stats_offsets;
789 };
790 
791 /* struct that defines a VSI, associated with a dev */
792 struct i40e_vsi {
793 	struct net_device *netdev;
794 	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
795 	bool netdev_registered;
796 	bool stat_offsets_loaded;
797 
798 	u32 current_netdev_flags;
799 	DECLARE_BITMAP(state, __I40E_VSI_STATE_SIZE__);
800 #define I40E_VSI_FLAG_FILTER_CHANGED	BIT(0)
801 #define I40E_VSI_FLAG_VEB_OWNER		BIT(1)
802 	unsigned long flags;
803 
804 	/* Per VSI lock to protect elements/hash (MAC filter) */
805 	spinlock_t mac_filter_hash_lock;
806 	/* Fixed size hash table with 2^8 buckets for MAC filters */
807 	DECLARE_HASHTABLE(mac_filter_hash, 8);
808 	bool has_vlan_filter;
809 
810 	/* VSI stats */
811 	struct rtnl_link_stats64 net_stats;
812 	struct rtnl_link_stats64 net_stats_offsets;
813 	struct i40e_eth_stats eth_stats;
814 	struct i40e_eth_stats eth_stats_offsets;
815 	u64 tx_restart;
816 	u64 tx_busy;
817 	u64 tx_linearize;
818 	u64 tx_force_wb;
819 	u64 tx_stopped;
820 	u64 rx_buf_failed;
821 	u64 rx_page_failed;
822 	u64 rx_page_reuse;
823 	u64 rx_page_alloc;
824 	u64 rx_page_waive;
825 	u64 rx_page_busy;
826 
827 	/* These are containers of ring pointers, allocated at run-time */
828 	struct i40e_ring **rx_rings;
829 	struct i40e_ring **tx_rings;
830 	struct i40e_ring **xdp_rings; /* XDP Tx rings */
831 
832 	u32  active_filters;
833 	u32  promisc_threshold;
834 
835 	u16 work_limit;
836 	u16 int_rate_limit;	/* value in usecs */
837 
838 	u16 rss_table_size;	/* HW RSS table size */
839 	u16 rss_size;		/* Allocated RSS queues */
840 	u8  *rss_hkey_user;	/* User configured hash keys */
841 	u8  *rss_lut_user;	/* User configured lookup table entries */
842 
843 
844 	u16 max_frame;
845 	u16 rx_buf_len;
846 
847 	struct bpf_prog *xdp_prog;
848 
849 	/* List of q_vectors allocated to this VSI */
850 	struct i40e_q_vector **q_vectors;
851 	int num_q_vectors;
852 	int base_vector;
853 	bool irqs_ready;
854 
855 	u16 seid;		/* HW index of this VSI (absolute index) */
856 	u16 id;			/* VSI number */
857 	u16 uplink_seid;
858 
859 	u16 base_queue;		/* vsi's first queue in hw array */
860 	u16 alloc_queue_pairs;	/* Allocated Tx/Rx queues */
861 	u16 req_queue_pairs;	/* User requested queue pairs */
862 	u16 num_queue_pairs;	/* Used tx and rx pairs */
863 	u16 num_tx_desc;
864 	u16 num_rx_desc;
865 	enum i40e_vsi_type type;  /* VSI type, e.g., LAN, FCoE, etc */
866 	s16 vf_id;		/* Virtual function ID for SRIOV VSIs */
867 
868 	struct tc_mqprio_qopt_offload mqprio_qopt; /* queue parameters */
869 	struct i40e_tc_configuration tc_config;
870 	struct i40e_aqc_vsi_properties_data info;
871 
872 	/* VSI BW limit (absolute across all TCs) */
873 	u16 bw_limit;		/* VSI BW Limit (0 = disabled) */
874 	u8  bw_max_quanta;	/* Max Quanta when BW limit is enabled */
875 
876 	/* Relative TC credits across VSIs */
877 	u8  bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS];
878 	/* TC BW limit credits within VSI */
879 	u16  bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS];
880 	/* TC BW limit max quanta within VSI */
881 	u8  bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS];
882 
883 	struct i40e_pf *back;	/* Backreference to associated PF */
884 	u16 idx;		/* index in pf->vsi[] */
885 	u16 veb_idx;		/* index of VEB parent */
886 	struct kobject *kobj;	/* sysfs object */
887 	bool current_isup;	/* Sync 'link up' logging */
888 	enum i40e_aq_link_speed current_speed;	/* Sync link speed logging */
889 
890 	/* channel specific fields */
891 	u16 cnt_q_avail;	/* num of queues available for channel usage */
892 	u16 orig_rss_size;
893 	u16 current_rss_size;
894 	bool reconfig_rss;
895 
896 	u16 next_base_queue;	/* next queue to be used for channel setup */
897 
898 	struct list_head ch_list;
899 	u16 tc_seid_map[I40E_MAX_TRAFFIC_CLASS];
900 
901 	/* macvlan fields */
902 #define I40E_MAX_MACVLANS		128 /* Max HW vectors - 1 on FVL */
903 #define I40E_MIN_MACVLAN_VECTORS	2   /* Min vectors to enable macvlans */
904 	DECLARE_BITMAP(fwd_bitmask, I40E_MAX_MACVLANS);
905 	struct list_head macvlan_list;
906 	int macvlan_cnt;
907 
908 	void *priv;	/* client driver data reference. */
909 
910 	/* VSI specific handlers */
911 	irqreturn_t (*irq_handler)(int irq, void *data);
912 
913 	unsigned long *af_xdp_zc_qps; /* tracks AF_XDP ZC enabled qps */
914 } ____cacheline_internodealigned_in_smp;
915 
916 struct i40e_netdev_priv {
917 	struct i40e_vsi *vsi;
918 };
919 
920 extern struct ida i40e_client_ida;
921 
922 /* struct that defines an interrupt vector */
923 struct i40e_q_vector {
924 	struct i40e_vsi *vsi;
925 
926 	u16 v_idx;		/* index in the vsi->q_vector array. */
927 	u16 reg_idx;		/* register index of the interrupt */
928 
929 	struct napi_struct napi;
930 
931 	struct i40e_ring_container rx;
932 	struct i40e_ring_container tx;
933 
934 	u8 itr_countdown;	/* when 0 should adjust adaptive ITR */
935 	u8 num_ringpairs;	/* total number of ring pairs in vector */
936 
937 	cpumask_t affinity_mask;
938 	struct irq_affinity_notify affinity_notify;
939 
940 	struct rcu_head rcu;	/* to avoid race with update stats on free */
941 	char name[I40E_INT_NAME_STR_LEN];
942 	bool arm_wb_state;
943 	int irq_num;		/* IRQ assigned to this q_vector */
944 } ____cacheline_internodealigned_in_smp;
945 
946 /* lan device */
947 struct i40e_device {
948 	struct list_head list;
949 	struct i40e_pf *pf;
950 };
951 
952 /**
953  * i40e_info_nvm_ver - format the NVM version string
954  * @hw: ptr to the hardware info
955  * @buf: string buffer to store
956  * @len: buffer size
957  *
958  * Formats NVM version string as:
959  * <gen>.<snap>.<release> when eetrackid == I40E_OEM_EETRACK_ID
960  * <nvm_major>.<nvm_minor> otherwise
961  **/
962 static inline void i40e_info_nvm_ver(struct i40e_hw *hw, char *buf, size_t len)
963 {
964 	struct i40e_nvm_info *nvm = &hw->nvm;
965 
966 	if (nvm->eetrack == I40E_OEM_EETRACK_ID) {
967 		u32 full_ver = nvm->oem_ver;
968 		u8 gen, snap;
969 		u16 release;
970 
971 		gen = FIELD_GET(I40E_OEM_GEN_MASK, full_ver);
972 		snap = FIELD_GET(I40E_OEM_SNAP_MASK, full_ver);
973 		release = FIELD_GET(I40E_OEM_RELEASE_MASK, full_ver);
974 		snprintf(buf, len, "%x.%x.%x", gen, snap, release);
975 	} else {
976 		u8 major, minor;
977 
978 		major = FIELD_GET(I40E_NVM_VERSION_HI_MASK, nvm->version);
979 		minor = FIELD_GET(I40E_NVM_VERSION_LO_MASK, nvm->version);
980 		snprintf(buf, len, "%x.%02x", major, minor);
981 	}
982 }
983 
984 /**
985  * i40e_info_eetrack - format the EETrackID string
986  * @hw: ptr to the hardware info
987  * @buf: string buffer to store
988  * @len: buffer size
989  *
990  * Returns hexadecimally formated EETrackID if it is
991  * different from I40E_OEM_EETRACK_ID or empty string.
992  **/
993 static inline void i40e_info_eetrack(struct i40e_hw *hw, char *buf, size_t len)
994 {
995 	struct i40e_nvm_info *nvm = &hw->nvm;
996 
997 	buf[0] = '\0';
998 	if (nvm->eetrack != I40E_OEM_EETRACK_ID)
999 		snprintf(buf, len, "0x%08x", nvm->eetrack);
1000 }
1001 
1002 /**
1003  * i40e_info_civd_ver - format the NVM version strings
1004  * @hw: ptr to the hardware info
1005  * @buf: string buffer to store
1006  * @len: buffer size
1007  *
1008  * Returns formated combo image version if adapter's EETrackID is
1009  * different from I40E_OEM_EETRACK_ID or empty string.
1010  **/
1011 static inline void i40e_info_civd_ver(struct i40e_hw *hw, char *buf, size_t len)
1012 {
1013 	struct i40e_nvm_info *nvm = &hw->nvm;
1014 
1015 	buf[0] = '\0';
1016 	if (nvm->eetrack != I40E_OEM_EETRACK_ID) {
1017 		u32 full_ver = nvm->oem_ver;
1018 		u8 major, minor;
1019 		u16 build;
1020 
1021 		major = FIELD_GET(I40E_OEM_VER_MASK, full_ver);
1022 		build = FIELD_GET(I40E_OEM_VER_BUILD_MASK, full_ver);
1023 		minor = FIELD_GET(I40E_OEM_VER_PATCH_MASK, full_ver);
1024 		snprintf(buf, len, "%d.%d.%d", major, build, minor);
1025 	}
1026 }
1027 
1028 /**
1029  * i40e_nvm_version_str - format the NVM version strings
1030  * @hw: ptr to the hardware info
1031  * @buf: string buffer to store
1032  * @len: buffer size
1033  **/
1034 static inline char *i40e_nvm_version_str(struct i40e_hw *hw, char *buf,
1035 					 size_t len)
1036 {
1037 	char ver[16] = " ";
1038 
1039 	/* Get NVM version */
1040 	i40e_info_nvm_ver(hw, buf, len);
1041 
1042 	/* Append EETrackID if provided */
1043 	i40e_info_eetrack(hw, &ver[1], sizeof(ver) - 1);
1044 	if (strlen(ver) > 1)
1045 		strlcat(buf, ver, len);
1046 
1047 	/* Append combo image version if provided */
1048 	i40e_info_civd_ver(hw, &ver[1], sizeof(ver) - 1);
1049 	if (strlen(ver) > 1)
1050 		strlcat(buf, ver, len);
1051 
1052 	return buf;
1053 }
1054 
1055 /**
1056  * i40e_netdev_to_pf: Retrieve the PF struct for given netdev
1057  * @netdev: the corresponding netdev
1058  *
1059  * Return the PF struct for the given netdev
1060  **/
1061 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev)
1062 {
1063 	struct i40e_netdev_priv *np = netdev_priv(netdev);
1064 	struct i40e_vsi *vsi = np->vsi;
1065 
1066 	return vsi->back;
1067 }
1068 
1069 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi,
1070 				irqreturn_t (*irq_handler)(int, void *))
1071 {
1072 	vsi->irq_handler = irq_handler;
1073 }
1074 
1075 /**
1076  * i40e_get_fd_cnt_all - get the total FD filter space available
1077  * @pf: pointer to the PF struct
1078  **/
1079 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf)
1080 {
1081 	return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count;
1082 }
1083 
1084 /**
1085  * i40e_read_fd_input_set - reads value of flow director input set register
1086  * @pf: pointer to the PF struct
1087  * @addr: register addr
1088  *
1089  * This function reads value of flow director input set register
1090  * specified by 'addr' (which is specific to flow-type)
1091  **/
1092 static inline u64 i40e_read_fd_input_set(struct i40e_pf *pf, u16 addr)
1093 {
1094 	u64 val;
1095 
1096 	val = i40e_read_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 1));
1097 	val <<= 32;
1098 	val += i40e_read_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 0));
1099 
1100 	return val;
1101 }
1102 
1103 /**
1104  * i40e_write_fd_input_set - writes value into flow director input set register
1105  * @pf: pointer to the PF struct
1106  * @addr: register addr
1107  * @val: value to be written
1108  *
1109  * This function writes specified value to the register specified by 'addr'.
1110  * This register is input set register based on flow-type.
1111  **/
1112 static inline void i40e_write_fd_input_set(struct i40e_pf *pf,
1113 					   u16 addr, u64 val)
1114 {
1115 	i40e_write_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 1),
1116 			  (u32)(val >> 32));
1117 	i40e_write_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 0),
1118 			  (u32)(val & 0xFFFFFFFFULL));
1119 }
1120 
1121 /**
1122  * i40e_get_pf_count - get PCI PF count.
1123  * @hw: pointer to a hw.
1124  *
1125  * Reports the function number of the highest PCI physical
1126  * function plus 1 as it is loaded from the NVM.
1127  *
1128  * Return: PCI PF count.
1129  **/
1130 static inline u32 i40e_get_pf_count(struct i40e_hw *hw)
1131 {
1132 	return FIELD_GET(I40E_GLGEN_PCIFCNCNT_PCIPFCNT_MASK,
1133 			 rd32(hw, I40E_GLGEN_PCIFCNCNT));
1134 }
1135 
1136 /* needed by i40e_ethtool.c */
1137 int i40e_up(struct i40e_vsi *vsi);
1138 void i40e_down(struct i40e_vsi *vsi);
1139 extern const char i40e_driver_name[];
1140 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags);
1141 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags, bool lock_acquired);
1142 int i40e_config_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
1143 int i40e_get_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
1144 void i40e_fill_rss_lut(struct i40e_pf *pf, u8 *lut,
1145 		       u16 rss_table_size, u16 rss_size);
1146 struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id);
1147 /**
1148  * i40e_find_vsi_by_type - Find and return Flow Director VSI
1149  * @pf: PF to search for VSI
1150  * @type: Value indicating type of VSI we are looking for
1151  **/
1152 static inline struct i40e_vsi *
1153 i40e_find_vsi_by_type(struct i40e_pf *pf, u16 type)
1154 {
1155 	int i;
1156 
1157 	for (i = 0; i < pf->num_alloc_vsi; i++) {
1158 		struct i40e_vsi *vsi = pf->vsi[i];
1159 
1160 		if (vsi && vsi->type == type)
1161 			return vsi;
1162 	}
1163 
1164 	return NULL;
1165 }
1166 void i40e_update_stats(struct i40e_vsi *vsi);
1167 void i40e_update_veb_stats(struct i40e_veb *veb);
1168 void i40e_update_eth_stats(struct i40e_vsi *vsi);
1169 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi);
1170 int i40e_fetch_switch_configuration(struct i40e_pf *pf,
1171 				    bool printconfig);
1172 
1173 int i40e_add_del_fdir(struct i40e_vsi *vsi,
1174 		      struct i40e_fdir_filter *input, bool add);
1175 void i40e_fdir_check_and_reenable(struct i40e_pf *pf);
1176 u32 i40e_get_current_fd_count(struct i40e_pf *pf);
1177 u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf);
1178 u32 i40e_get_current_atr_cnt(struct i40e_pf *pf);
1179 u32 i40e_get_global_fd_count(struct i40e_pf *pf);
1180 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features);
1181 void i40e_set_ethtool_ops(struct net_device *netdev);
1182 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
1183 					const u8 *macaddr, s16 vlan);
1184 void __i40e_del_filter(struct i40e_vsi *vsi, struct i40e_mac_filter *f);
1185 void i40e_del_filter(struct i40e_vsi *vsi, const u8 *macaddr, s16 vlan);
1186 int i40e_sync_vsi_filters(struct i40e_vsi *vsi);
1187 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
1188 				u16 uplink, u32 param1);
1189 int i40e_vsi_release(struct i40e_vsi *vsi);
1190 void i40e_service_event_schedule(struct i40e_pf *pf);
1191 void i40e_notify_client_of_vf_msg(struct i40e_vsi *vsi, u32 vf_id,
1192 				  u8 *msg, u16 len);
1193 
1194 int i40e_control_wait_tx_q(int seid, struct i40e_pf *pf, int pf_q, bool is_xdp,
1195 			   bool enable);
1196 int i40e_control_wait_rx_q(struct i40e_pf *pf, int pf_q, bool enable);
1197 int i40e_vsi_start_rings(struct i40e_vsi *vsi);
1198 void i40e_vsi_stop_rings(struct i40e_vsi *vsi);
1199 void i40e_vsi_stop_rings_no_wait(struct  i40e_vsi *vsi);
1200 int i40e_vsi_wait_queues_disabled(struct i40e_vsi *vsi);
1201 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count);
1202 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid,
1203 				u16 downlink_seid, u8 enabled_tc);
1204 void i40e_veb_release(struct i40e_veb *veb);
1205 
1206 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc);
1207 int i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
1208 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi);
1209 void i40e_vsi_reset_stats(struct i40e_vsi *vsi);
1210 void i40e_pf_reset_stats(struct i40e_pf *pf);
1211 #ifdef CONFIG_DEBUG_FS
1212 void i40e_dbg_pf_init(struct i40e_pf *pf);
1213 void i40e_dbg_pf_exit(struct i40e_pf *pf);
1214 void i40e_dbg_init(void);
1215 void i40e_dbg_exit(void);
1216 #else
1217 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {}
1218 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {}
1219 static inline void i40e_dbg_init(void) {}
1220 static inline void i40e_dbg_exit(void) {}
1221 #endif /* CONFIG_DEBUG_FS*/
1222 /* needed by client drivers */
1223 int i40e_lan_add_device(struct i40e_pf *pf);
1224 int i40e_lan_del_device(struct i40e_pf *pf);
1225 void i40e_client_subtask(struct i40e_pf *pf);
1226 void i40e_notify_client_of_l2_param_changes(struct i40e_vsi *vsi);
1227 void i40e_notify_client_of_netdev_close(struct i40e_vsi *vsi, bool reset);
1228 void i40e_notify_client_of_vf_enable(struct i40e_pf *pf, u32 num_vfs);
1229 void i40e_notify_client_of_vf_reset(struct i40e_pf *pf, u32 vf_id);
1230 void i40e_client_update_msix_info(struct i40e_pf *pf);
1231 int i40e_vf_client_capable(struct i40e_pf *pf, u32 vf_id);
1232 /**
1233  * i40e_irq_dynamic_enable - Enable default interrupt generation settings
1234  * @vsi: pointer to a vsi
1235  * @vector: enable a particular Hw Interrupt vector, without base_vector
1236  **/
1237 static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector)
1238 {
1239 	struct i40e_pf *pf = vsi->back;
1240 	struct i40e_hw *hw = &pf->hw;
1241 	u32 val;
1242 
1243 	val = I40E_PFINT_DYN_CTLN_INTENA_MASK |
1244 	      I40E_PFINT_DYN_CTLN_CLEARPBA_MASK |
1245 	      (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT);
1246 	wr32(hw, I40E_PFINT_DYN_CTLN(vector + vsi->base_vector - 1), val);
1247 	/* skip the flush */
1248 }
1249 
1250 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
1251 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf);
1252 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
1253 int i40e_open(struct net_device *netdev);
1254 int i40e_close(struct net_device *netdev);
1255 int i40e_vsi_open(struct i40e_vsi *vsi);
1256 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi);
1257 int i40e_add_vlan_all_mac(struct i40e_vsi *vsi, s16 vid);
1258 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, u16 vid);
1259 void i40e_rm_vlan_all_mac(struct i40e_vsi *vsi, s16 vid);
1260 void i40e_vsi_kill_vlan(struct i40e_vsi *vsi, u16 vid);
1261 struct i40e_mac_filter *i40e_add_mac_filter(struct i40e_vsi *vsi,
1262 					    const u8 *macaddr);
1263 int i40e_del_mac_filter(struct i40e_vsi *vsi, const u8 *macaddr);
1264 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi);
1265 int i40e_count_filters(struct i40e_vsi *vsi);
1266 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, const u8 *macaddr);
1267 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi);
1268 static inline bool i40e_is_sw_dcb(struct i40e_pf *pf)
1269 {
1270 	return !!(pf->flags & I40E_FLAG_DISABLE_FW_LLDP);
1271 }
1272 
1273 #ifdef CONFIG_I40E_DCB
1274 void i40e_dcbnl_flush_apps(struct i40e_pf *pf,
1275 			   struct i40e_dcbx_config *old_cfg,
1276 			   struct i40e_dcbx_config *new_cfg);
1277 void i40e_dcbnl_set_all(struct i40e_vsi *vsi);
1278 void i40e_dcbnl_setup(struct i40e_vsi *vsi);
1279 bool i40e_dcb_need_reconfig(struct i40e_pf *pf,
1280 			    struct i40e_dcbx_config *old_cfg,
1281 			    struct i40e_dcbx_config *new_cfg);
1282 int i40e_hw_dcb_config(struct i40e_pf *pf, struct i40e_dcbx_config *new_cfg);
1283 int i40e_dcb_sw_default_config(struct i40e_pf *pf);
1284 #endif /* CONFIG_I40E_DCB */
1285 void i40e_ptp_rx_hang(struct i40e_pf *pf);
1286 void i40e_ptp_tx_hang(struct i40e_pf *pf);
1287 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf);
1288 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index);
1289 void i40e_ptp_set_increment(struct i40e_pf *pf);
1290 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
1291 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
1292 void i40e_ptp_save_hw_time(struct i40e_pf *pf);
1293 void i40e_ptp_restore_hw_time(struct i40e_pf *pf);
1294 void i40e_ptp_init(struct i40e_pf *pf);
1295 void i40e_ptp_stop(struct i40e_pf *pf);
1296 int i40e_ptp_alloc_pins(struct i40e_pf *pf);
1297 int i40e_update_adq_vsi_queues(struct i40e_vsi *vsi, int vsi_offset);
1298 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi);
1299 int i40e_get_partition_bw_setting(struct i40e_pf *pf);
1300 int i40e_set_partition_bw_setting(struct i40e_pf *pf);
1301 int i40e_commit_partition_bw_setting(struct i40e_pf *pf);
1302 void i40e_print_link_message(struct i40e_vsi *vsi, bool isup);
1303 
1304 void i40e_set_fec_in_flags(u8 fec_cfg, u32 *flags);
1305 
1306 static inline bool i40e_enabled_xdp_vsi(struct i40e_vsi *vsi)
1307 {
1308 	return !!READ_ONCE(vsi->xdp_prog);
1309 }
1310 
1311 int i40e_create_queue_channel(struct i40e_vsi *vsi, struct i40e_channel *ch);
1312 int i40e_set_bw_limit(struct i40e_vsi *vsi, u16 seid, u64 max_tx_rate);
1313 int i40e_add_del_cloud_filter(struct i40e_vsi *vsi,
1314 			      struct i40e_cloud_filter *filter,
1315 			      bool add);
1316 int i40e_add_del_cloud_filter_big_buf(struct i40e_vsi *vsi,
1317 				      struct i40e_cloud_filter *filter,
1318 				      bool add);
1319 
1320 /**
1321  * i40e_is_tc_mqprio_enabled - check if TC MQPRIO is enabled on PF
1322  * @pf: pointer to a pf.
1323  *
1324  * Check and return value of flag I40E_FLAG_TC_MQPRIO.
1325  *
1326  * Return: I40E_FLAG_TC_MQPRIO set state.
1327  **/
1328 static inline u32 i40e_is_tc_mqprio_enabled(struct i40e_pf *pf)
1329 {
1330 	return pf->flags & I40E_FLAG_TC_MQPRIO;
1331 }
1332 
1333 /**
1334  * i40e_hw_to_pf - get pf pointer from the hardware structure
1335  * @hw: pointer to the device HW structure
1336  **/
1337 static inline struct i40e_pf *i40e_hw_to_pf(struct i40e_hw *hw)
1338 {
1339 	return container_of(hw, struct i40e_pf, hw);
1340 }
1341 
1342 struct device *i40e_hw_to_dev(struct i40e_hw *hw);
1343 
1344 #endif /* _I40E_H_ */
1345