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1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 2013 - 2018 Intel Corporation. */
3 
4 #ifndef _I40E_H_
5 #define _I40E_H_
6 
7 #include <net/tcp.h>
8 #include <net/udp.h>
9 #include <linux/types.h>
10 #include <linux/errno.h>
11 #include <linux/module.h>
12 #include <linux/pci.h>
13 #include <linux/aer.h>
14 #include <linux/netdevice.h>
15 #include <linux/ioport.h>
16 #include <linux/iommu.h>
17 #include <linux/slab.h>
18 #include <linux/list.h>
19 #include <linux/hashtable.h>
20 #include <linux/string.h>
21 #include <linux/in.h>
22 #include <linux/ip.h>
23 #include <linux/sctp.h>
24 #include <linux/pkt_sched.h>
25 #include <linux/ipv6.h>
26 #include <net/checksum.h>
27 #include <net/ip6_checksum.h>
28 #include <linux/ethtool.h>
29 #include <linux/if_vlan.h>
30 #include <linux/if_macvlan.h>
31 #include <linux/if_bridge.h>
32 #include <linux/clocksource.h>
33 #include <linux/net_tstamp.h>
34 #include <linux/ptp_clock_kernel.h>
35 #include <net/pkt_cls.h>
36 #include <net/tc_act/tc_gact.h>
37 #include <net/tc_act/tc_mirred.h>
38 #include <net/udp_tunnel.h>
39 #include <net/xdp_sock.h>
40 #include "i40e_type.h"
41 #include "i40e_prototype.h"
42 #include <linux/net/intel/i40e_client.h>
43 #include <linux/avf/virtchnl.h>
44 #include "i40e_virtchnl_pf.h"
45 #include "i40e_txrx.h"
46 #include "i40e_dcb.h"
47 
48 /* Useful i40e defaults */
49 #define I40E_MAX_VEB			16
50 
51 #define I40E_MAX_NUM_DESCRIPTORS	4096
52 #define I40E_MAX_CSR_SPACE		(4 * 1024 * 1024 - 64 * 1024)
53 #define I40E_DEFAULT_NUM_DESCRIPTORS	512
54 #define I40E_REQ_DESCRIPTOR_MULTIPLE	32
55 #define I40E_MIN_NUM_DESCRIPTORS	64
56 #define I40E_MIN_MSIX			2
57 #define I40E_DEFAULT_NUM_VMDQ_VSI	8 /* max 256 VSIs */
58 #define I40E_MIN_VSI_ALLOC		83 /* LAN, ATR, FCOE, 64 VF */
59 /* max 16 qps */
60 #define i40e_default_queues_per_vmdq(pf) \
61 		(((pf)->hw_features & I40E_HW_RSS_AQ_CAPABLE) ? 4 : 1)
62 #define I40E_DEFAULT_QUEUES_PER_VF	4
63 #define I40E_MAX_VF_QUEUES		16
64 #define i40e_pf_get_max_q_per_tc(pf) \
65 		(((pf)->hw_features & I40E_HW_128_QP_RSS_CAPABLE) ? 128 : 64)
66 #define I40E_FDIR_RING_COUNT		32
67 #define I40E_MAX_AQ_BUF_SIZE		4096
68 #define I40E_AQ_LEN			256
69 #define I40E_AQ_WORK_LIMIT		66 /* max number of VFs + a little */
70 #define I40E_MAX_USER_PRIORITY		8
71 #define I40E_DEFAULT_TRAFFIC_CLASS	BIT(0)
72 #define I40E_QUEUE_WAIT_RETRY_LIMIT	10
73 #define I40E_INT_NAME_STR_LEN		(IFNAMSIZ + 16)
74 
75 #define I40E_NVM_VERSION_LO_SHIFT	0
76 #define I40E_NVM_VERSION_LO_MASK	(0xff << I40E_NVM_VERSION_LO_SHIFT)
77 #define I40E_NVM_VERSION_HI_SHIFT	12
78 #define I40E_NVM_VERSION_HI_MASK	(0xf << I40E_NVM_VERSION_HI_SHIFT)
79 #define I40E_OEM_VER_BUILD_MASK		0xffff
80 #define I40E_OEM_VER_PATCH_MASK		0xff
81 #define I40E_OEM_VER_BUILD_SHIFT	8
82 #define I40E_OEM_VER_SHIFT		24
83 #define I40E_PHY_DEBUG_ALL \
84 	(I40E_AQ_PHY_DEBUG_DISABLE_LINK_FW | \
85 	I40E_AQ_PHY_DEBUG_DISABLE_ALL_LINK_FW)
86 
87 #define I40E_OEM_EETRACK_ID		0xffffffff
88 #define I40E_OEM_GEN_SHIFT		24
89 #define I40E_OEM_SNAP_MASK		0x00ff0000
90 #define I40E_OEM_SNAP_SHIFT		16
91 #define I40E_OEM_RELEASE_MASK		0x0000ffff
92 
93 #define I40E_RX_DESC(R, i)	\
94 	(&(((union i40e_rx_desc *)((R)->desc))[i]))
95 #define I40E_TX_DESC(R, i)	\
96 	(&(((struct i40e_tx_desc *)((R)->desc))[i]))
97 #define I40E_TX_CTXTDESC(R, i)	\
98 	(&(((struct i40e_tx_context_desc *)((R)->desc))[i]))
99 #define I40E_TX_FDIRDESC(R, i)	\
100 	(&(((struct i40e_filter_program_desc *)((R)->desc))[i]))
101 
102 /* BW rate limiting */
103 #define I40E_BW_CREDIT_DIVISOR		50 /* 50Mbps per BW credit */
104 #define I40E_BW_MBPS_DIVISOR		125000 /* rate / (1000000 / 8) Mbps */
105 #define I40E_MAX_BW_INACTIVE_ACCUM	4 /* accumulate 4 credits max */
106 
107 /* driver state flags */
108 enum i40e_state_t {
109 	__I40E_TESTING,
110 	__I40E_CONFIG_BUSY,
111 	__I40E_CONFIG_DONE,
112 	__I40E_DOWN,
113 	__I40E_SERVICE_SCHED,
114 	__I40E_ADMINQ_EVENT_PENDING,
115 	__I40E_MDD_EVENT_PENDING,
116 	__I40E_VFLR_EVENT_PENDING,
117 	__I40E_RESET_RECOVERY_PENDING,
118 	__I40E_TIMEOUT_RECOVERY_PENDING,
119 	__I40E_MISC_IRQ_REQUESTED,
120 	__I40E_RESET_INTR_RECEIVED,
121 	__I40E_REINIT_REQUESTED,
122 	__I40E_PF_RESET_REQUESTED,
123 	__I40E_PF_RESET_AND_REBUILD_REQUESTED,
124 	__I40E_CORE_RESET_REQUESTED,
125 	__I40E_GLOBAL_RESET_REQUESTED,
126 	__I40E_EMP_RESET_INTR_RECEIVED,
127 	__I40E_SUSPENDED,
128 	__I40E_PTP_TX_IN_PROGRESS,
129 	__I40E_BAD_EEPROM,
130 	__I40E_DOWN_REQUESTED,
131 	__I40E_FD_FLUSH_REQUESTED,
132 	__I40E_FD_ATR_AUTO_DISABLED,
133 	__I40E_FD_SB_AUTO_DISABLED,
134 	__I40E_RESET_FAILED,
135 	__I40E_PORT_SUSPENDED,
136 	__I40E_VF_DISABLE,
137 	__I40E_MACVLAN_SYNC_PENDING,
138 	__I40E_TEMP_LINK_POLLING,
139 	__I40E_CLIENT_SERVICE_REQUESTED,
140 	__I40E_CLIENT_L2_CHANGE,
141 	__I40E_CLIENT_RESET,
142 	__I40E_VIRTCHNL_OP_PENDING,
143 	__I40E_RECOVERY_MODE,
144 	__I40E_VF_RESETS_DISABLED,	/* disable resets during i40e_remove */
145 	__I40E_VFS_RELEASING,
146 	/* This must be last as it determines the size of the BITMAP */
147 	__I40E_STATE_SIZE__,
148 };
149 
150 #define I40E_PF_RESET_FLAG	BIT_ULL(__I40E_PF_RESET_REQUESTED)
151 #define I40E_PF_RESET_AND_REBUILD_FLAG	\
152 	BIT_ULL(__I40E_PF_RESET_AND_REBUILD_REQUESTED)
153 
154 /* VSI state flags */
155 enum i40e_vsi_state_t {
156 	__I40E_VSI_DOWN,
157 	__I40E_VSI_NEEDS_RESTART,
158 	__I40E_VSI_SYNCING_FILTERS,
159 	__I40E_VSI_OVERFLOW_PROMISC,
160 	__I40E_VSI_REINIT_REQUESTED,
161 	__I40E_VSI_DOWN_REQUESTED,
162 	__I40E_VSI_RELEASING,
163 	/* This must be last as it determines the size of the BITMAP */
164 	__I40E_VSI_STATE_SIZE__,
165 };
166 
167 enum i40e_interrupt_policy {
168 	I40E_INTERRUPT_BEST_CASE,
169 	I40E_INTERRUPT_MEDIUM,
170 	I40E_INTERRUPT_LOWEST
171 };
172 
173 struct i40e_lump_tracking {
174 	u16 num_entries;
175 	u16 list[0];
176 #define I40E_PILE_VALID_BIT  0x8000
177 #define I40E_IWARP_IRQ_PILE_ID  (I40E_PILE_VALID_BIT - 2)
178 };
179 
180 #define I40E_DEFAULT_ATR_SAMPLE_RATE	20
181 #define I40E_FDIR_MAX_RAW_PACKET_SIZE	512
182 #define I40E_FDIR_BUFFER_FULL_MARGIN	10
183 #define I40E_FDIR_BUFFER_HEAD_ROOM	32
184 #define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4)
185 
186 #define I40E_HKEY_ARRAY_SIZE	((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4)
187 #define I40E_HLUT_ARRAY_SIZE	((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
188 #define I40E_VF_HLUT_ARRAY_SIZE	((I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4)
189 
190 enum i40e_fd_stat_idx {
191 	I40E_FD_STAT_ATR,
192 	I40E_FD_STAT_SB,
193 	I40E_FD_STAT_ATR_TUNNEL,
194 	I40E_FD_STAT_PF_COUNT
195 };
196 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT)
197 #define I40E_FD_ATR_STAT_IDX(pf_id) \
198 			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR)
199 #define I40E_FD_SB_STAT_IDX(pf_id)  \
200 			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB)
201 #define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \
202 			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL)
203 
204 /* The following structure contains the data parsed from the user-defined
205  * field of the ethtool_rx_flow_spec structure.
206  */
207 struct i40e_rx_flow_userdef {
208 	bool flex_filter;
209 	u16 flex_word;
210 	u16 flex_offset;
211 };
212 
213 struct i40e_fdir_filter {
214 	struct hlist_node fdir_node;
215 	/* filter ipnut set */
216 	u8 flow_type;
217 	u8 ip4_proto;
218 	/* TX packet view of src and dst */
219 	__be32 dst_ip;
220 	__be32 src_ip;
221 	__be16 src_port;
222 	__be16 dst_port;
223 	__be32 sctp_v_tag;
224 
225 	/* Flexible data to match within the packet payload */
226 	__be16 flex_word;
227 	u16 flex_offset;
228 	bool flex_filter;
229 
230 	/* filter control */
231 	u16 q_index;
232 	u8  flex_off;
233 	u8  pctype;
234 	u16 dest_vsi;
235 	u8  dest_ctl;
236 	u8  fd_status;
237 	u16 cnt_index;
238 	u32 fd_id;
239 };
240 
241 #define I40E_CLOUD_FIELD_OMAC		BIT(0)
242 #define I40E_CLOUD_FIELD_IMAC		BIT(1)
243 #define I40E_CLOUD_FIELD_IVLAN		BIT(2)
244 #define I40E_CLOUD_FIELD_TEN_ID		BIT(3)
245 #define I40E_CLOUD_FIELD_IIP		BIT(4)
246 
247 #define I40E_CLOUD_FILTER_FLAGS_OMAC	I40E_CLOUD_FIELD_OMAC
248 #define I40E_CLOUD_FILTER_FLAGS_IMAC	I40E_CLOUD_FIELD_IMAC
249 #define I40E_CLOUD_FILTER_FLAGS_IMAC_IVLAN	(I40E_CLOUD_FIELD_IMAC | \
250 						 I40E_CLOUD_FIELD_IVLAN)
251 #define I40E_CLOUD_FILTER_FLAGS_IMAC_TEN_ID	(I40E_CLOUD_FIELD_IMAC | \
252 						 I40E_CLOUD_FIELD_TEN_ID)
253 #define I40E_CLOUD_FILTER_FLAGS_OMAC_TEN_ID_IMAC (I40E_CLOUD_FIELD_OMAC | \
254 						  I40E_CLOUD_FIELD_IMAC | \
255 						  I40E_CLOUD_FIELD_TEN_ID)
256 #define I40E_CLOUD_FILTER_FLAGS_IMAC_IVLAN_TEN_ID (I40E_CLOUD_FIELD_IMAC | \
257 						   I40E_CLOUD_FIELD_IVLAN | \
258 						   I40E_CLOUD_FIELD_TEN_ID)
259 #define I40E_CLOUD_FILTER_FLAGS_IIP	I40E_CLOUD_FIELD_IIP
260 
261 struct i40e_cloud_filter {
262 	struct hlist_node cloud_node;
263 	unsigned long cookie;
264 	/* cloud filter input set follows */
265 	u8 dst_mac[ETH_ALEN];
266 	u8 src_mac[ETH_ALEN];
267 	__be16 vlan_id;
268 	u16 seid;       /* filter control */
269 	__be16 dst_port;
270 	__be16 src_port;
271 	u32 tenant_id;
272 	union {
273 		struct {
274 			struct in_addr dst_ip;
275 			struct in_addr src_ip;
276 		} v4;
277 		struct {
278 			struct in6_addr dst_ip6;
279 			struct in6_addr src_ip6;
280 		} v6;
281 	} ip;
282 #define dst_ipv6	ip.v6.dst_ip6.s6_addr32
283 #define src_ipv6	ip.v6.src_ip6.s6_addr32
284 #define dst_ipv4	ip.v4.dst_ip.s_addr
285 #define src_ipv4	ip.v4.src_ip.s_addr
286 	u16 n_proto;    /* Ethernet Protocol */
287 	u8 ip_proto;    /* IPPROTO value */
288 	u8 flags;
289 #define I40E_CLOUD_TNL_TYPE_NONE        0xff
290 	u8 tunnel_type;
291 };
292 
293 /* DCB per TC information data structure */
294 struct i40e_tc_info {
295 	u16	qoffset;	/* Queue offset from base queue */
296 	u16	qcount;		/* Total Queues */
297 	u8	netdev_tc;	/* Netdev TC index if netdev associated */
298 };
299 
300 /* TC configuration data structure */
301 struct i40e_tc_configuration {
302 	u8	numtc;		/* Total number of enabled TCs */
303 	u8	enabled_tc;	/* TC map */
304 	struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS];
305 };
306 
307 #define I40E_UDP_PORT_INDEX_UNUSED	255
308 struct i40e_udp_port_config {
309 	/* AdminQ command interface expects port number in Host byte order */
310 	u16 port;
311 	u8 type;
312 	u8 filter_index;
313 };
314 
315 #define I40_DDP_FLASH_REGION 100
316 #define I40E_PROFILE_INFO_SIZE 48
317 #define I40E_MAX_PROFILE_NUM 16
318 #define I40E_PROFILE_LIST_SIZE \
319 	(I40E_PROFILE_INFO_SIZE * I40E_MAX_PROFILE_NUM + 4)
320 #define I40E_DDP_PROFILE_PATH "intel/i40e/ddp/"
321 #define I40E_DDP_PROFILE_NAME_MAX 64
322 
323 int i40e_ddp_load(struct net_device *netdev, const u8 *data, size_t size,
324 		  bool is_add);
325 int i40e_ddp_flash(struct net_device *netdev, struct ethtool_flash *flash);
326 
327 struct i40e_ddp_profile_list {
328 	u32 p_count;
329 	struct i40e_profile_info p_info[];
330 };
331 
332 struct i40e_ddp_old_profile_list {
333 	struct list_head list;
334 	size_t old_ddp_size;
335 	u8 old_ddp_buf[];
336 };
337 
338 /* macros related to FLX_PIT */
339 #define I40E_FLEX_SET_FSIZE(fsize) (((fsize) << \
340 				    I40E_PRTQF_FLX_PIT_FSIZE_SHIFT) & \
341 				    I40E_PRTQF_FLX_PIT_FSIZE_MASK)
342 #define I40E_FLEX_SET_DST_WORD(dst) (((dst) << \
343 				     I40E_PRTQF_FLX_PIT_DEST_OFF_SHIFT) & \
344 				     I40E_PRTQF_FLX_PIT_DEST_OFF_MASK)
345 #define I40E_FLEX_SET_SRC_WORD(src) (((src) << \
346 				     I40E_PRTQF_FLX_PIT_SOURCE_OFF_SHIFT) & \
347 				     I40E_PRTQF_FLX_PIT_SOURCE_OFF_MASK)
348 #define I40E_FLEX_PREP_VAL(dst, fsize, src) (I40E_FLEX_SET_DST_WORD(dst) | \
349 					     I40E_FLEX_SET_FSIZE(fsize) | \
350 					     I40E_FLEX_SET_SRC_WORD(src))
351 
352 
353 #define I40E_MAX_FLEX_SRC_OFFSET 0x1F
354 
355 /* macros related to GLQF_ORT */
356 #define I40E_ORT_SET_IDX(idx)		(((idx) << \
357 					  I40E_GLQF_ORT_PIT_INDX_SHIFT) & \
358 					 I40E_GLQF_ORT_PIT_INDX_MASK)
359 
360 #define I40E_ORT_SET_COUNT(count)	(((count) << \
361 					  I40E_GLQF_ORT_FIELD_CNT_SHIFT) & \
362 					 I40E_GLQF_ORT_FIELD_CNT_MASK)
363 
364 #define I40E_ORT_SET_PAYLOAD(payload)	(((payload) << \
365 					  I40E_GLQF_ORT_FLX_PAYLOAD_SHIFT) & \
366 					 I40E_GLQF_ORT_FLX_PAYLOAD_MASK)
367 
368 #define I40E_ORT_PREP_VAL(idx, count, payload) (I40E_ORT_SET_IDX(idx) | \
369 						I40E_ORT_SET_COUNT(count) | \
370 						I40E_ORT_SET_PAYLOAD(payload))
371 
372 #define I40E_L3_GLQF_ORT_IDX		34
373 #define I40E_L4_GLQF_ORT_IDX		35
374 
375 /* Flex PIT register index */
376 #define I40E_FLEX_PIT_IDX_START_L3	3
377 #define I40E_FLEX_PIT_IDX_START_L4	6
378 
379 #define I40E_FLEX_PIT_TABLE_SIZE	3
380 
381 #define I40E_FLEX_DEST_UNUSED		63
382 
383 #define I40E_FLEX_INDEX_ENTRIES		8
384 
385 /* Flex MASK to disable all flexible entries */
386 #define I40E_FLEX_INPUT_MASK	(I40E_FLEX_50_MASK | I40E_FLEX_51_MASK | \
387 				 I40E_FLEX_52_MASK | I40E_FLEX_53_MASK | \
388 				 I40E_FLEX_54_MASK | I40E_FLEX_55_MASK | \
389 				 I40E_FLEX_56_MASK | I40E_FLEX_57_MASK)
390 
391 struct i40e_flex_pit {
392 	struct list_head list;
393 	u16 src_offset;
394 	u8 pit_index;
395 };
396 
397 struct i40e_fwd_adapter {
398 	struct net_device *netdev;
399 	int bit_no;
400 };
401 
402 struct i40e_channel {
403 	struct list_head list;
404 	bool initialized;
405 	u8 type;
406 	u16 vsi_number; /* Assigned VSI number from AQ 'Add VSI' response */
407 	u16 stat_counter_idx;
408 	u16 base_queue;
409 	u16 num_queue_pairs; /* Requested by user */
410 	u16 seid;
411 
412 	u8 enabled_tc;
413 	struct i40e_aqc_vsi_properties_data info;
414 
415 	u64 max_tx_rate;
416 	struct i40e_fwd_adapter *fwd;
417 
418 	/* track this channel belongs to which VSI */
419 	struct i40e_vsi *parent_vsi;
420 };
421 
i40e_is_channel_macvlan(struct i40e_channel * ch)422 static inline bool i40e_is_channel_macvlan(struct i40e_channel *ch)
423 {
424 	return !!ch->fwd;
425 }
426 
i40e_channel_mac(struct i40e_channel * ch)427 static inline u8 *i40e_channel_mac(struct i40e_channel *ch)
428 {
429 	if (i40e_is_channel_macvlan(ch))
430 		return ch->fwd->netdev->dev_addr;
431 	else
432 		return NULL;
433 }
434 
435 /* struct that defines the Ethernet device */
436 struct i40e_pf {
437 	struct pci_dev *pdev;
438 	struct i40e_hw hw;
439 	DECLARE_BITMAP(state, __I40E_STATE_SIZE__);
440 	struct msix_entry *msix_entries;
441 	bool fc_autoneg_status;
442 
443 	u16 eeprom_version;
444 	u16 num_vmdq_vsis;         /* num vmdq vsis this PF has set up */
445 	u16 num_vmdq_qps;          /* num queue pairs per vmdq pool */
446 	u16 num_vmdq_msix;         /* num queue vectors per vmdq pool */
447 	u16 num_req_vfs;           /* num VFs requested for this PF */
448 	u16 num_vf_qps;            /* num queue pairs per VF */
449 	u16 num_lan_qps;           /* num lan queues this PF has set up */
450 	u16 num_lan_msix;          /* num queue vectors for the base PF vsi */
451 	u16 num_fdsb_msix;         /* num queue vectors for sideband Fdir */
452 	u16 num_iwarp_msix;        /* num of iwarp vectors for this PF */
453 	int iwarp_base_vector;
454 	int queues_left;           /* queues left unclaimed */
455 	u16 alloc_rss_size;        /* allocated RSS queues */
456 	u16 rss_size_max;          /* HW defined max RSS queues */
457 	u16 fdir_pf_filter_count;  /* num of guaranteed filters for this PF */
458 	u16 num_alloc_vsi;         /* num VSIs this driver supports */
459 	u8 atr_sample_rate;
460 	bool wol_en;
461 
462 	struct hlist_head fdir_filter_list;
463 	u16 fdir_pf_active_filters;
464 	unsigned long fd_flush_timestamp;
465 	u32 fd_flush_cnt;
466 	u32 fd_add_err;
467 	u32 fd_atr_cnt;
468 
469 	/* Book-keeping of side-band filter count per flow-type.
470 	 * This is used to detect and handle input set changes for
471 	 * respective flow-type.
472 	 */
473 	u16 fd_tcp4_filter_cnt;
474 	u16 fd_udp4_filter_cnt;
475 	u16 fd_sctp4_filter_cnt;
476 	u16 fd_ip4_filter_cnt;
477 
478 	/* Flexible filter table values that need to be programmed into
479 	 * hardware, which expects L3 and L4 to be programmed separately. We
480 	 * need to ensure that the values are in ascended order and don't have
481 	 * duplicates, so we track each L3 and L4 values in separate lists.
482 	 */
483 	struct list_head l3_flex_pit_list;
484 	struct list_head l4_flex_pit_list;
485 
486 	struct udp_tunnel_nic_shared udp_tunnel_shared;
487 	struct udp_tunnel_nic_info udp_tunnel_nic;
488 
489 	struct hlist_head cloud_filter_list;
490 	u16 num_cloud_filters;
491 
492 	enum i40e_interrupt_policy int_policy;
493 	u16 rx_itr_default;
494 	u16 tx_itr_default;
495 	u32 msg_enable;
496 	char int_name[I40E_INT_NAME_STR_LEN];
497 	u16 adminq_work_limit; /* num of admin receive queue desc to process */
498 	unsigned long service_timer_period;
499 	unsigned long service_timer_previous;
500 	struct timer_list service_timer;
501 	struct work_struct service_task;
502 
503 	u32 hw_features;
504 #define I40E_HW_RSS_AQ_CAPABLE			BIT(0)
505 #define I40E_HW_128_QP_RSS_CAPABLE		BIT(1)
506 #define I40E_HW_ATR_EVICT_CAPABLE		BIT(2)
507 #define I40E_HW_WB_ON_ITR_CAPABLE		BIT(3)
508 #define I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE	BIT(4)
509 #define I40E_HW_NO_PCI_LINK_CHECK		BIT(5)
510 #define I40E_HW_100M_SGMII_CAPABLE		BIT(6)
511 #define I40E_HW_NO_DCB_SUPPORT			BIT(7)
512 #define I40E_HW_USE_SET_LLDP_MIB		BIT(8)
513 #define I40E_HW_GENEVE_OFFLOAD_CAPABLE		BIT(9)
514 #define I40E_HW_PTP_L4_CAPABLE			BIT(10)
515 #define I40E_HW_WOL_MC_MAGIC_PKT_WAKE		BIT(11)
516 #define I40E_HW_HAVE_CRT_RETIMER		BIT(13)
517 #define I40E_HW_OUTER_UDP_CSUM_CAPABLE		BIT(14)
518 #define I40E_HW_PHY_CONTROLS_LEDS		BIT(15)
519 #define I40E_HW_STOP_FW_LLDP			BIT(16)
520 #define I40E_HW_PORT_ID_VALID			BIT(17)
521 #define I40E_HW_RESTART_AUTONEG			BIT(18)
522 
523 	u32 flags;
524 #define I40E_FLAG_RX_CSUM_ENABLED		BIT(0)
525 #define I40E_FLAG_MSI_ENABLED			BIT(1)
526 #define I40E_FLAG_MSIX_ENABLED			BIT(2)
527 #define I40E_FLAG_RSS_ENABLED			BIT(3)
528 #define I40E_FLAG_VMDQ_ENABLED			BIT(4)
529 #define I40E_FLAG_SRIOV_ENABLED			BIT(5)
530 #define I40E_FLAG_DCB_CAPABLE			BIT(6)
531 #define I40E_FLAG_DCB_ENABLED			BIT(7)
532 #define I40E_FLAG_FD_SB_ENABLED			BIT(8)
533 #define I40E_FLAG_FD_ATR_ENABLED		BIT(9)
534 #define I40E_FLAG_MFP_ENABLED			BIT(10)
535 #define I40E_FLAG_HW_ATR_EVICT_ENABLED		BIT(11)
536 #define I40E_FLAG_VEB_MODE_ENABLED		BIT(12)
537 #define I40E_FLAG_VEB_STATS_ENABLED		BIT(13)
538 #define I40E_FLAG_LINK_POLLING_ENABLED		BIT(14)
539 #define I40E_FLAG_TRUE_PROMISC_SUPPORT		BIT(15)
540 #define I40E_FLAG_LEGACY_RX			BIT(16)
541 #define I40E_FLAG_PTP				BIT(17)
542 #define I40E_FLAG_IWARP_ENABLED			BIT(18)
543 #define I40E_FLAG_LINK_DOWN_ON_CLOSE_ENABLED	BIT(19)
544 #define I40E_FLAG_SOURCE_PRUNING_DISABLED       BIT(20)
545 #define I40E_FLAG_TC_MQPRIO			BIT(21)
546 #define I40E_FLAG_FD_SB_INACTIVE		BIT(22)
547 #define I40E_FLAG_FD_SB_TO_CLOUD_FILTER		BIT(23)
548 #define I40E_FLAG_DISABLE_FW_LLDP		BIT(24)
549 #define I40E_FLAG_RS_FEC			BIT(25)
550 #define I40E_FLAG_BASE_R_FEC			BIT(26)
551 /* TOTAL_PORT_SHUTDOWN
552  * Allows to physically disable the link on the NIC's port.
553  * If enabled, (after link down request from the OS)
554  * no link, traffic or led activity is possible on that port.
555  *
556  * If I40E_FLAG_TOTAL_PORT_SHUTDOWN_ENABLED is set, the
557  * I40E_FLAG_LINK_DOWN_ON_CLOSE_ENABLED must be explicitly forced to true
558  * and cannot be disabled by system admin at that time.
559  * The functionalities are exclusive in terms of configuration, but they also
560  * have similar behavior (allowing to disable physical link of the port),
561  * with following differences:
562  * - LINK_DOWN_ON_CLOSE_ENABLED is configurable at host OS run-time and is
563  *   supported by whole family of 7xx Intel Ethernet Controllers
564  * - TOTAL_PORT_SHUTDOWN may be enabled only before OS loads (in BIOS)
565  *   only if motherboard's BIOS and NIC's FW has support of it
566  * - when LINK_DOWN_ON_CLOSE_ENABLED is used, the link is being brought down
567  *   by sending phy_type=0 to NIC's FW
568  * - when TOTAL_PORT_SHUTDOWN is used, phy_type is not altered, instead
569  *   the link is being brought down by clearing bit (I40E_AQ_PHY_ENABLE_LINK)
570  *   in abilities field of i40e_aq_set_phy_config structure
571  */
572 #define I40E_FLAG_TOTAL_PORT_SHUTDOWN_ENABLED	BIT(27)
573 
574 	struct i40e_client_instance *cinst;
575 	bool stat_offsets_loaded;
576 	struct i40e_hw_port_stats stats;
577 	struct i40e_hw_port_stats stats_offsets;
578 	u32 tx_timeout_count;
579 	u32 tx_timeout_recovery_level;
580 	unsigned long tx_timeout_last_recovery;
581 	u32 tx_sluggish_count;
582 	u32 hw_csum_rx_error;
583 	u32 led_status;
584 	u16 corer_count; /* Core reset count */
585 	u16 globr_count; /* Global reset count */
586 	u16 empr_count; /* EMP reset count */
587 	u16 pfr_count; /* PF reset count */
588 	u16 sw_int_count; /* SW interrupt count */
589 
590 	struct mutex switch_mutex;
591 	u16 lan_vsi;       /* our default LAN VSI */
592 	u16 lan_veb;       /* initial relay, if exists */
593 #define I40E_NO_VEB	0xffff
594 #define I40E_NO_VSI	0xffff
595 	u16 next_vsi;      /* Next unallocated VSI - 0-based! */
596 	struct i40e_vsi **vsi;
597 	struct i40e_veb *veb[I40E_MAX_VEB];
598 
599 	struct i40e_lump_tracking *qp_pile;
600 	struct i40e_lump_tracking *irq_pile;
601 
602 	/* switch config info */
603 	u16 pf_seid;
604 	u16 main_vsi_seid;
605 	u16 mac_seid;
606 	struct kobject *switch_kobj;
607 #ifdef CONFIG_DEBUG_FS
608 	struct dentry *i40e_dbg_pf;
609 #endif /* CONFIG_DEBUG_FS */
610 	bool cur_promisc;
611 
612 	u16 instance; /* A unique number per i40e_pf instance in the system */
613 
614 	/* sr-iov config info */
615 	struct i40e_vf *vf;
616 	int num_alloc_vfs;	/* actual number of VFs allocated */
617 	u32 vf_aq_requests;
618 	u32 arq_overflows;	/* Not fatal, possibly indicative of problems */
619 
620 	/* DCBx/DCBNL capability for PF that indicates
621 	 * whether DCBx is managed by firmware or host
622 	 * based agent (LLDPAD). Also, indicates what
623 	 * flavor of DCBx protocol (IEEE/CEE) is supported
624 	 * by the device. For now we're supporting IEEE
625 	 * mode only.
626 	 */
627 	u16 dcbx_cap;
628 
629 	struct i40e_filter_control_settings filter_settings;
630 
631 	struct ptp_clock *ptp_clock;
632 	struct ptp_clock_info ptp_caps;
633 	struct sk_buff *ptp_tx_skb;
634 	unsigned long ptp_tx_start;
635 	struct hwtstamp_config tstamp_config;
636 	struct timespec64 ptp_prev_hw_time;
637 	ktime_t ptp_reset_start;
638 	struct mutex tmreg_lock; /* Used to protect the SYSTIME registers. */
639 	u32 ptp_adj_mult;
640 	u32 tx_hwtstamp_timeouts;
641 	u32 tx_hwtstamp_skipped;
642 	u32 rx_hwtstamp_cleared;
643 	u32 latch_event_flags;
644 	spinlock_t ptp_rx_lock; /* Used to protect Rx timestamp registers. */
645 	unsigned long latch_events[4];
646 	bool ptp_tx;
647 	bool ptp_rx;
648 	u16 rss_table_size; /* HW RSS table size */
649 	u32 max_bw;
650 	u32 min_bw;
651 
652 	u32 ioremap_len;
653 	u32 fd_inv;
654 	u16 phy_led_val;
655 
656 	u16 override_q_count;
657 	u16 last_sw_conf_flags;
658 	u16 last_sw_conf_valid_flags;
659 	/* List to keep previous DDP profiles to be rolled back in the future */
660 	struct list_head ddp_old_prof;
661 };
662 
663 /**
664  * i40e_mac_to_hkey - Convert a 6-byte MAC Address to a u64 hash key
665  * @macaddr: the MAC Address as the base key
666  *
667  * Simply copies the address and returns it as a u64 for hashing
668  **/
i40e_addr_to_hkey(const u8 * macaddr)669 static inline u64 i40e_addr_to_hkey(const u8 *macaddr)
670 {
671 	u64 key = 0;
672 
673 	ether_addr_copy((u8 *)&key, macaddr);
674 	return key;
675 }
676 
677 enum i40e_filter_state {
678 	I40E_FILTER_INVALID = 0,	/* Invalid state */
679 	I40E_FILTER_NEW,		/* New, not sent to FW yet */
680 	I40E_FILTER_ACTIVE,		/* Added to switch by FW */
681 	I40E_FILTER_FAILED,		/* Rejected by FW */
682 	I40E_FILTER_REMOVE,		/* To be removed */
683 /* There is no 'removed' state; the filter struct is freed */
684 };
685 struct i40e_mac_filter {
686 	struct hlist_node hlist;
687 	u8 macaddr[ETH_ALEN];
688 #define I40E_VLAN_ANY -1
689 	s16 vlan;
690 	enum i40e_filter_state state;
691 };
692 
693 /* Wrapper structure to keep track of filters while we are preparing to send
694  * firmware commands. We cannot send firmware commands while holding a
695  * spinlock, since it might sleep. To avoid this, we wrap the added filters in
696  * a separate structure, which will track the state change and update the real
697  * filter while under lock. We can't simply hold the filters in a separate
698  * list, as this opens a window for a race condition when adding new MAC
699  * addresses to all VLANs, or when adding new VLANs to all MAC addresses.
700  */
701 struct i40e_new_mac_filter {
702 	struct hlist_node hlist;
703 	struct i40e_mac_filter *f;
704 
705 	/* Track future changes to state separately */
706 	enum i40e_filter_state state;
707 };
708 
709 struct i40e_veb {
710 	struct i40e_pf *pf;
711 	u16 idx;
712 	u16 veb_idx;		/* index of VEB parent */
713 	u16 seid;
714 	u16 uplink_seid;
715 	u16 stats_idx;		/* index of VEB parent */
716 	u8  enabled_tc;
717 	u16 bridge_mode;	/* Bridge Mode (VEB/VEPA) */
718 	u16 flags;
719 	u16 bw_limit;
720 	u8  bw_max_quanta;
721 	bool is_abs_credits;
722 	u8  bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS];
723 	u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS];
724 	u8  bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS];
725 	struct kobject *kobj;
726 	bool stat_offsets_loaded;
727 	struct i40e_eth_stats stats;
728 	struct i40e_eth_stats stats_offsets;
729 	struct i40e_veb_tc_stats tc_stats;
730 	struct i40e_veb_tc_stats tc_stats_offsets;
731 };
732 
733 /* struct that defines a VSI, associated with a dev */
734 struct i40e_vsi {
735 	struct net_device *netdev;
736 	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
737 	bool netdev_registered;
738 	bool stat_offsets_loaded;
739 
740 	u32 current_netdev_flags;
741 	DECLARE_BITMAP(state, __I40E_VSI_STATE_SIZE__);
742 #define I40E_VSI_FLAG_FILTER_CHANGED	BIT(0)
743 #define I40E_VSI_FLAG_VEB_OWNER		BIT(1)
744 	unsigned long flags;
745 
746 	/* Per VSI lock to protect elements/hash (MAC filter) */
747 	spinlock_t mac_filter_hash_lock;
748 	/* Fixed size hash table with 2^8 buckets for MAC filters */
749 	DECLARE_HASHTABLE(mac_filter_hash, 8);
750 	bool has_vlan_filter;
751 
752 	/* VSI stats */
753 	struct rtnl_link_stats64 net_stats;
754 	struct rtnl_link_stats64 net_stats_offsets;
755 	struct i40e_eth_stats eth_stats;
756 	struct i40e_eth_stats eth_stats_offsets;
757 	u64 tx_restart;
758 	u64 tx_busy;
759 	u64 tx_linearize;
760 	u64 tx_force_wb;
761 	u64 rx_buf_failed;
762 	u64 rx_page_failed;
763 
764 	/* These are containers of ring pointers, allocated at run-time */
765 	struct i40e_ring **rx_rings;
766 	struct i40e_ring **tx_rings;
767 	struct i40e_ring **xdp_rings; /* XDP Tx rings */
768 
769 	u32  active_filters;
770 	u32  promisc_threshold;
771 
772 	u16 work_limit;
773 	u16 int_rate_limit;	/* value in usecs */
774 
775 	u16 rss_table_size;	/* HW RSS table size */
776 	u16 rss_size;		/* Allocated RSS queues */
777 	u8  *rss_hkey_user;	/* User configured hash keys */
778 	u8  *rss_lut_user;	/* User configured lookup table entries */
779 
780 
781 	u16 max_frame;
782 	u16 rx_buf_len;
783 
784 	struct bpf_prog *xdp_prog;
785 
786 	/* List of q_vectors allocated to this VSI */
787 	struct i40e_q_vector **q_vectors;
788 	int num_q_vectors;
789 	int base_vector;
790 	bool irqs_ready;
791 
792 	u16 seid;		/* HW index of this VSI (absolute index) */
793 	u16 id;			/* VSI number */
794 	u16 uplink_seid;
795 
796 	u16 base_queue;		/* vsi's first queue in hw array */
797 	u16 alloc_queue_pairs;	/* Allocated Tx/Rx queues */
798 	u16 req_queue_pairs;	/* User requested queue pairs */
799 	u16 num_queue_pairs;	/* Used tx and rx pairs */
800 	u16 num_tx_desc;
801 	u16 num_rx_desc;
802 	enum i40e_vsi_type type;  /* VSI type, e.g., LAN, FCoE, etc */
803 	s16 vf_id;		/* Virtual function ID for SRIOV VSIs */
804 
805 	struct tc_mqprio_qopt_offload mqprio_qopt; /* queue parameters */
806 	struct i40e_tc_configuration tc_config;
807 	struct i40e_aqc_vsi_properties_data info;
808 
809 	/* VSI BW limit (absolute across all TCs) */
810 	u16 bw_limit;		/* VSI BW Limit (0 = disabled) */
811 	u8  bw_max_quanta;	/* Max Quanta when BW limit is enabled */
812 
813 	/* Relative TC credits across VSIs */
814 	u8  bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS];
815 	/* TC BW limit credits within VSI */
816 	u16  bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS];
817 	/* TC BW limit max quanta within VSI */
818 	u8  bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS];
819 
820 	struct i40e_pf *back;	/* Backreference to associated PF */
821 	u16 idx;		/* index in pf->vsi[] */
822 	u16 veb_idx;		/* index of VEB parent */
823 	struct kobject *kobj;	/* sysfs object */
824 	bool current_isup;	/* Sync 'link up' logging */
825 	enum i40e_aq_link_speed current_speed;	/* Sync link speed logging */
826 
827 	/* channel specific fields */
828 	u16 cnt_q_avail;	/* num of queues available for channel usage */
829 	u16 orig_rss_size;
830 	u16 current_rss_size;
831 	bool reconfig_rss;
832 
833 	u16 next_base_queue;	/* next queue to be used for channel setup */
834 
835 	struct list_head ch_list;
836 	u16 tc_seid_map[I40E_MAX_TRAFFIC_CLASS];
837 
838 	/* macvlan fields */
839 #define I40E_MAX_MACVLANS		128 /* Max HW vectors - 1 on FVL */
840 #define I40E_MIN_MACVLAN_VECTORS	2   /* Min vectors to enable macvlans */
841 	DECLARE_BITMAP(fwd_bitmask, I40E_MAX_MACVLANS);
842 	struct list_head macvlan_list;
843 	int macvlan_cnt;
844 
845 	void *priv;	/* client driver data reference. */
846 
847 	/* VSI specific handlers */
848 	irqreturn_t (*irq_handler)(int irq, void *data);
849 
850 	unsigned long *af_xdp_zc_qps; /* tracks AF_XDP ZC enabled qps */
851 } ____cacheline_internodealigned_in_smp;
852 
853 struct i40e_netdev_priv {
854 	struct i40e_vsi *vsi;
855 };
856 
857 /* struct that defines an interrupt vector */
858 struct i40e_q_vector {
859 	struct i40e_vsi *vsi;
860 
861 	u16 v_idx;		/* index in the vsi->q_vector array. */
862 	u16 reg_idx;		/* register index of the interrupt */
863 
864 	struct napi_struct napi;
865 
866 	struct i40e_ring_container rx;
867 	struct i40e_ring_container tx;
868 
869 	u8 itr_countdown;	/* when 0 should adjust adaptive ITR */
870 	u8 num_ringpairs;	/* total number of ring pairs in vector */
871 
872 	cpumask_t affinity_mask;
873 	struct irq_affinity_notify affinity_notify;
874 
875 	struct rcu_head rcu;	/* to avoid race with update stats on free */
876 	char name[I40E_INT_NAME_STR_LEN];
877 	bool arm_wb_state;
878 } ____cacheline_internodealigned_in_smp;
879 
880 /* lan device */
881 struct i40e_device {
882 	struct list_head list;
883 	struct i40e_pf *pf;
884 };
885 
886 /**
887  * i40e_nvm_version_str - format the NVM version strings
888  * @hw: ptr to the hardware info
889  **/
i40e_nvm_version_str(struct i40e_hw * hw)890 static inline char *i40e_nvm_version_str(struct i40e_hw *hw)
891 {
892 	static char buf[32];
893 	u32 full_ver;
894 
895 	full_ver = hw->nvm.oem_ver;
896 
897 	if (hw->nvm.eetrack == I40E_OEM_EETRACK_ID) {
898 		u8 gen, snap;
899 		u16 release;
900 
901 		gen = (u8)(full_ver >> I40E_OEM_GEN_SHIFT);
902 		snap = (u8)((full_ver & I40E_OEM_SNAP_MASK) >>
903 			I40E_OEM_SNAP_SHIFT);
904 		release = (u16)(full_ver & I40E_OEM_RELEASE_MASK);
905 
906 		snprintf(buf, sizeof(buf), "%x.%x.%x", gen, snap, release);
907 	} else {
908 		u8 ver, patch;
909 		u16 build;
910 
911 		ver = (u8)(full_ver >> I40E_OEM_VER_SHIFT);
912 		build = (u16)((full_ver >> I40E_OEM_VER_BUILD_SHIFT) &
913 			 I40E_OEM_VER_BUILD_MASK);
914 		patch = (u8)(full_ver & I40E_OEM_VER_PATCH_MASK);
915 
916 		snprintf(buf, sizeof(buf),
917 			 "%x.%02x 0x%x %d.%d.%d",
918 			 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >>
919 				I40E_NVM_VERSION_HI_SHIFT,
920 			 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >>
921 				I40E_NVM_VERSION_LO_SHIFT,
922 			 hw->nvm.eetrack, ver, build, patch);
923 	}
924 
925 	return buf;
926 }
927 
928 /**
929  * i40e_netdev_to_pf: Retrieve the PF struct for given netdev
930  * @netdev: the corresponding netdev
931  *
932  * Return the PF struct for the given netdev
933  **/
i40e_netdev_to_pf(struct net_device * netdev)934 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev)
935 {
936 	struct i40e_netdev_priv *np = netdev_priv(netdev);
937 	struct i40e_vsi *vsi = np->vsi;
938 
939 	return vsi->back;
940 }
941 
i40e_vsi_setup_irqhandler(struct i40e_vsi * vsi,irqreturn_t (* irq_handler)(int,void *))942 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi,
943 				irqreturn_t (*irq_handler)(int, void *))
944 {
945 	vsi->irq_handler = irq_handler;
946 }
947 
948 /**
949  * i40e_get_fd_cnt_all - get the total FD filter space available
950  * @pf: pointer to the PF struct
951  **/
i40e_get_fd_cnt_all(struct i40e_pf * pf)952 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf)
953 {
954 	return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count;
955 }
956 
957 /**
958  * i40e_read_fd_input_set - reads value of flow director input set register
959  * @pf: pointer to the PF struct
960  * @addr: register addr
961  *
962  * This function reads value of flow director input set register
963  * specified by 'addr' (which is specific to flow-type)
964  **/
i40e_read_fd_input_set(struct i40e_pf * pf,u16 addr)965 static inline u64 i40e_read_fd_input_set(struct i40e_pf *pf, u16 addr)
966 {
967 	u64 val;
968 
969 	val = i40e_read_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 1));
970 	val <<= 32;
971 	val += i40e_read_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 0));
972 
973 	return val;
974 }
975 
976 /**
977  * i40e_write_fd_input_set - writes value into flow director input set register
978  * @pf: pointer to the PF struct
979  * @addr: register addr
980  * @val: value to be written
981  *
982  * This function writes specified value to the register specified by 'addr'.
983  * This register is input set register based on flow-type.
984  **/
i40e_write_fd_input_set(struct i40e_pf * pf,u16 addr,u64 val)985 static inline void i40e_write_fd_input_set(struct i40e_pf *pf,
986 					   u16 addr, u64 val)
987 {
988 	i40e_write_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 1),
989 			  (u32)(val >> 32));
990 	i40e_write_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 0),
991 			  (u32)(val & 0xFFFFFFFFULL));
992 }
993 
994 /* needed by i40e_ethtool.c */
995 int i40e_up(struct i40e_vsi *vsi);
996 void i40e_down(struct i40e_vsi *vsi);
997 extern const char i40e_driver_name[];
998 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags);
999 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags, bool lock_acquired);
1000 int i40e_config_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
1001 int i40e_get_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
1002 void i40e_fill_rss_lut(struct i40e_pf *pf, u8 *lut,
1003 		       u16 rss_table_size, u16 rss_size);
1004 struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id);
1005 /**
1006  * i40e_find_vsi_by_type - Find and return Flow Director VSI
1007  * @pf: PF to search for VSI
1008  * @type: Value indicating type of VSI we are looking for
1009  **/
1010 static inline struct i40e_vsi *
i40e_find_vsi_by_type(struct i40e_pf * pf,u16 type)1011 i40e_find_vsi_by_type(struct i40e_pf *pf, u16 type)
1012 {
1013 	int i;
1014 
1015 	for (i = 0; i < pf->num_alloc_vsi; i++) {
1016 		struct i40e_vsi *vsi = pf->vsi[i];
1017 
1018 		if (vsi && vsi->type == type)
1019 			return vsi;
1020 	}
1021 
1022 	return NULL;
1023 }
1024 void i40e_update_stats(struct i40e_vsi *vsi);
1025 void i40e_update_veb_stats(struct i40e_veb *veb);
1026 void i40e_update_eth_stats(struct i40e_vsi *vsi);
1027 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi);
1028 int i40e_fetch_switch_configuration(struct i40e_pf *pf,
1029 				    bool printconfig);
1030 
1031 int i40e_add_del_fdir(struct i40e_vsi *vsi,
1032 		      struct i40e_fdir_filter *input, bool add);
1033 void i40e_fdir_check_and_reenable(struct i40e_pf *pf);
1034 u32 i40e_get_current_fd_count(struct i40e_pf *pf);
1035 u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf);
1036 u32 i40e_get_current_atr_cnt(struct i40e_pf *pf);
1037 u32 i40e_get_global_fd_count(struct i40e_pf *pf);
1038 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features);
1039 void i40e_set_ethtool_ops(struct net_device *netdev);
1040 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
1041 					const u8 *macaddr, s16 vlan);
1042 void __i40e_del_filter(struct i40e_vsi *vsi, struct i40e_mac_filter *f);
1043 void i40e_del_filter(struct i40e_vsi *vsi, const u8 *macaddr, s16 vlan);
1044 int i40e_sync_vsi_filters(struct i40e_vsi *vsi);
1045 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
1046 				u16 uplink, u32 param1);
1047 int i40e_vsi_release(struct i40e_vsi *vsi);
1048 void i40e_service_event_schedule(struct i40e_pf *pf);
1049 void i40e_notify_client_of_vf_msg(struct i40e_vsi *vsi, u32 vf_id,
1050 				  u8 *msg, u16 len);
1051 
1052 int i40e_control_wait_tx_q(int seid, struct i40e_pf *pf, int pf_q, bool is_xdp,
1053 			   bool enable);
1054 int i40e_control_wait_rx_q(struct i40e_pf *pf, int pf_q, bool enable);
1055 int i40e_vsi_start_rings(struct i40e_vsi *vsi);
1056 void i40e_vsi_stop_rings(struct i40e_vsi *vsi);
1057 void i40e_vsi_stop_rings_no_wait(struct  i40e_vsi *vsi);
1058 int i40e_vsi_wait_queues_disabled(struct i40e_vsi *vsi);
1059 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count);
1060 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid,
1061 				u16 downlink_seid, u8 enabled_tc);
1062 void i40e_veb_release(struct i40e_veb *veb);
1063 
1064 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc);
1065 int i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
1066 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi);
1067 void i40e_vsi_reset_stats(struct i40e_vsi *vsi);
1068 void i40e_pf_reset_stats(struct i40e_pf *pf);
1069 #ifdef CONFIG_DEBUG_FS
1070 void i40e_dbg_pf_init(struct i40e_pf *pf);
1071 void i40e_dbg_pf_exit(struct i40e_pf *pf);
1072 void i40e_dbg_init(void);
1073 void i40e_dbg_exit(void);
1074 #else
i40e_dbg_pf_init(struct i40e_pf * pf)1075 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {}
i40e_dbg_pf_exit(struct i40e_pf * pf)1076 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {}
i40e_dbg_init(void)1077 static inline void i40e_dbg_init(void) {}
i40e_dbg_exit(void)1078 static inline void i40e_dbg_exit(void) {}
1079 #endif /* CONFIG_DEBUG_FS*/
1080 /* needed by client drivers */
1081 int i40e_lan_add_device(struct i40e_pf *pf);
1082 int i40e_lan_del_device(struct i40e_pf *pf);
1083 void i40e_client_subtask(struct i40e_pf *pf);
1084 void i40e_notify_client_of_l2_param_changes(struct i40e_vsi *vsi);
1085 void i40e_notify_client_of_netdev_close(struct i40e_vsi *vsi, bool reset);
1086 void i40e_notify_client_of_vf_enable(struct i40e_pf *pf, u32 num_vfs);
1087 void i40e_notify_client_of_vf_reset(struct i40e_pf *pf, u32 vf_id);
1088 void i40e_client_update_msix_info(struct i40e_pf *pf);
1089 int i40e_vf_client_capable(struct i40e_pf *pf, u32 vf_id);
1090 /**
1091  * i40e_irq_dynamic_enable - Enable default interrupt generation settings
1092  * @vsi: pointer to a vsi
1093  * @vector: enable a particular Hw Interrupt vector, without base_vector
1094  **/
i40e_irq_dynamic_enable(struct i40e_vsi * vsi,int vector)1095 static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector)
1096 {
1097 	struct i40e_pf *pf = vsi->back;
1098 	struct i40e_hw *hw = &pf->hw;
1099 	u32 val;
1100 
1101 	val = I40E_PFINT_DYN_CTLN_INTENA_MASK |
1102 	      I40E_PFINT_DYN_CTLN_CLEARPBA_MASK |
1103 	      (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT);
1104 	wr32(hw, I40E_PFINT_DYN_CTLN(vector + vsi->base_vector - 1), val);
1105 	/* skip the flush */
1106 }
1107 
1108 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
1109 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf);
1110 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
1111 int i40e_open(struct net_device *netdev);
1112 int i40e_close(struct net_device *netdev);
1113 int i40e_vsi_open(struct i40e_vsi *vsi);
1114 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi);
1115 int i40e_add_vlan_all_mac(struct i40e_vsi *vsi, s16 vid);
1116 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, u16 vid);
1117 void i40e_rm_vlan_all_mac(struct i40e_vsi *vsi, s16 vid);
1118 void i40e_vsi_kill_vlan(struct i40e_vsi *vsi, u16 vid);
1119 struct i40e_mac_filter *i40e_add_mac_filter(struct i40e_vsi *vsi,
1120 					    const u8 *macaddr);
1121 int i40e_del_mac_filter(struct i40e_vsi *vsi, const u8 *macaddr);
1122 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi);
1123 int i40e_count_filters(struct i40e_vsi *vsi);
1124 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, const u8 *macaddr);
1125 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi);
1126 #ifdef CONFIG_I40E_DCB
1127 void i40e_dcbnl_flush_apps(struct i40e_pf *pf,
1128 			   struct i40e_dcbx_config *old_cfg,
1129 			   struct i40e_dcbx_config *new_cfg);
1130 void i40e_dcbnl_set_all(struct i40e_vsi *vsi);
1131 void i40e_dcbnl_setup(struct i40e_vsi *vsi);
1132 bool i40e_dcb_need_reconfig(struct i40e_pf *pf,
1133 			    struct i40e_dcbx_config *old_cfg,
1134 			    struct i40e_dcbx_config *new_cfg);
1135 #endif /* CONFIG_I40E_DCB */
1136 void i40e_ptp_rx_hang(struct i40e_pf *pf);
1137 void i40e_ptp_tx_hang(struct i40e_pf *pf);
1138 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf);
1139 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index);
1140 void i40e_ptp_set_increment(struct i40e_pf *pf);
1141 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
1142 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
1143 void i40e_ptp_save_hw_time(struct i40e_pf *pf);
1144 void i40e_ptp_restore_hw_time(struct i40e_pf *pf);
1145 void i40e_ptp_init(struct i40e_pf *pf);
1146 void i40e_ptp_stop(struct i40e_pf *pf);
1147 int i40e_update_adq_vsi_queues(struct i40e_vsi *vsi, int vsi_offset);
1148 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi);
1149 i40e_status i40e_get_partition_bw_setting(struct i40e_pf *pf);
1150 i40e_status i40e_set_partition_bw_setting(struct i40e_pf *pf);
1151 i40e_status i40e_commit_partition_bw_setting(struct i40e_pf *pf);
1152 void i40e_print_link_message(struct i40e_vsi *vsi, bool isup);
1153 
1154 void i40e_set_fec_in_flags(u8 fec_cfg, u32 *flags);
1155 
i40e_enabled_xdp_vsi(struct i40e_vsi * vsi)1156 static inline bool i40e_enabled_xdp_vsi(struct i40e_vsi *vsi)
1157 {
1158 	return !!READ_ONCE(vsi->xdp_prog);
1159 }
1160 
1161 int i40e_create_queue_channel(struct i40e_vsi *vsi, struct i40e_channel *ch);
1162 int i40e_set_bw_limit(struct i40e_vsi *vsi, u16 seid, u64 max_tx_rate);
1163 int i40e_add_del_cloud_filter(struct i40e_vsi *vsi,
1164 			      struct i40e_cloud_filter *filter,
1165 			      bool add);
1166 int i40e_add_del_cloud_filter_big_buf(struct i40e_vsi *vsi,
1167 				      struct i40e_cloud_filter *filter,
1168 				      bool add);
1169 #endif /* _I40E_H_ */
1170