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