1 /*******************************************************************************
2  *
3  * Intel Ethernet Controller XL710 Family Linux Driver
4  * Copyright(c) 2013 - 2017 Intel Corporation.
5  *
6  * This program is free software; you can redistribute it and/or modify it
7  * under the terms and conditions of the GNU General Public License,
8  * version 2, as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13  * more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program.  If not, see <http://www.gnu.org/licenses/>.
17  *
18  * The full GNU General Public License is included in this distribution in
19  * the file called "COPYING".
20  *
21  * Contact Information:
22  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24  *
25  ******************************************************************************/
26 
27 #ifndef _I40E_H_
28 #define _I40E_H_
29 
30 #include <net/tcp.h>
31 #include <net/udp.h>
32 #include <linux/types.h>
33 #include <linux/errno.h>
34 #include <linux/module.h>
35 #include <linux/pci.h>
36 #include <linux/aer.h>
37 #include <linux/netdevice.h>
38 #include <linux/ioport.h>
39 #include <linux/iommu.h>
40 #include <linux/slab.h>
41 #include <linux/list.h>
42 #include <linux/hashtable.h>
43 #include <linux/string.h>
44 #include <linux/in.h>
45 #include <linux/ip.h>
46 #include <linux/sctp.h>
47 #include <linux/pkt_sched.h>
48 #include <linux/ipv6.h>
49 #include <net/checksum.h>
50 #include <net/ip6_checksum.h>
51 #include <linux/ethtool.h>
52 #include <linux/if_vlan.h>
53 #include <linux/if_bridge.h>
54 #include <linux/clocksource.h>
55 #include <linux/net_tstamp.h>
56 #include <linux/ptp_clock_kernel.h>
57 #include <net/pkt_cls.h>
58 #include <net/tc_act/tc_gact.h>
59 #include <net/tc_act/tc_mirred.h>
60 #include "i40e_type.h"
61 #include "i40e_prototype.h"
62 #include "i40e_client.h"
63 #include <linux/avf/virtchnl.h>
64 #include "i40e_virtchnl_pf.h"
65 #include "i40e_txrx.h"
66 #include "i40e_dcb.h"
67 
68 /* Useful i40e defaults */
69 #define I40E_MAX_VEB			16
70 
71 #define I40E_MAX_NUM_DESCRIPTORS	4096
72 #define I40E_MAX_CSR_SPACE		(4 * 1024 * 1024 - 64 * 1024)
73 #define I40E_DEFAULT_NUM_DESCRIPTORS	512
74 #define I40E_REQ_DESCRIPTOR_MULTIPLE	32
75 #define I40E_MIN_NUM_DESCRIPTORS	64
76 #define I40E_MIN_MSIX			2
77 #define I40E_DEFAULT_NUM_VMDQ_VSI	8 /* max 256 VSIs */
78 #define I40E_MIN_VSI_ALLOC		83 /* LAN, ATR, FCOE, 64 VF */
79 /* max 16 qps */
80 #define i40e_default_queues_per_vmdq(pf) \
81 		(((pf)->hw_features & I40E_HW_RSS_AQ_CAPABLE) ? 4 : 1)
82 #define I40E_DEFAULT_QUEUES_PER_VF	4
83 #define I40E_MAX_VF_QUEUES		16
84 #define I40E_DEFAULT_QUEUES_PER_TC	1 /* should be a power of 2 */
85 #define i40e_pf_get_max_q_per_tc(pf) \
86 		(((pf)->hw_features & I40E_HW_128_QP_RSS_CAPABLE) ? 128 : 64)
87 #define I40E_FDIR_RING			0
88 #define I40E_FDIR_RING_COUNT		32
89 #define I40E_MAX_AQ_BUF_SIZE		4096
90 #define I40E_AQ_LEN			256
91 #define I40E_AQ_WORK_LIMIT		66 /* max number of VFs + a little */
92 #define I40E_MAX_USER_PRIORITY		8
93 #define I40E_DEFAULT_TRAFFIC_CLASS	BIT(0)
94 #define I40E_DEFAULT_MSG_ENABLE		4
95 #define I40E_QUEUE_WAIT_RETRY_LIMIT	10
96 #define I40E_INT_NAME_STR_LEN		(IFNAMSIZ + 16)
97 
98 #define I40E_NVM_VERSION_LO_SHIFT	0
99 #define I40E_NVM_VERSION_LO_MASK	(0xff << I40E_NVM_VERSION_LO_SHIFT)
100 #define I40E_NVM_VERSION_HI_SHIFT	12
101 #define I40E_NVM_VERSION_HI_MASK	(0xf << I40E_NVM_VERSION_HI_SHIFT)
102 #define I40E_OEM_VER_BUILD_MASK		0xffff
103 #define I40E_OEM_VER_PATCH_MASK		0xff
104 #define I40E_OEM_VER_BUILD_SHIFT	8
105 #define I40E_OEM_VER_SHIFT		24
106 #define I40E_PHY_DEBUG_ALL \
107 	(I40E_AQ_PHY_DEBUG_DISABLE_LINK_FW | \
108 	I40E_AQ_PHY_DEBUG_DISABLE_ALL_LINK_FW)
109 
110 #define I40E_OEM_EETRACK_ID		0xffffffff
111 #define I40E_OEM_GEN_SHIFT		24
112 #define I40E_OEM_SNAP_MASK		0x00ff0000
113 #define I40E_OEM_SNAP_SHIFT		16
114 #define I40E_OEM_RELEASE_MASK		0x0000ffff
115 
116 /* The values in here are decimal coded as hex as is the case in the NVM map*/
117 #define I40E_CURRENT_NVM_VERSION_HI	0x2
118 #define I40E_CURRENT_NVM_VERSION_LO	0x40
119 
120 #define I40E_RX_DESC(R, i)	\
121 	(&(((union i40e_32byte_rx_desc *)((R)->desc))[i]))
122 #define I40E_TX_DESC(R, i)	\
123 	(&(((struct i40e_tx_desc *)((R)->desc))[i]))
124 #define I40E_TX_CTXTDESC(R, i)	\
125 	(&(((struct i40e_tx_context_desc *)((R)->desc))[i]))
126 #define I40E_TX_FDIRDESC(R, i)	\
127 	(&(((struct i40e_filter_program_desc *)((R)->desc))[i]))
128 
129 /* default to trying for four seconds */
130 #define I40E_TRY_LINK_TIMEOUT	(4 * HZ)
131 
132 /* BW rate limiting */
133 #define I40E_BW_CREDIT_DIVISOR		50 /* 50Mbps per BW credit */
134 #define I40E_BW_MBPS_DIVISOR		125000 /* rate / (1000000 / 8) Mbps */
135 #define I40E_MAX_BW_INACTIVE_ACCUM	4 /* accumulate 4 credits max */
136 
137 /* driver state flags */
138 enum i40e_state_t {
139 	__I40E_TESTING,
140 	__I40E_CONFIG_BUSY,
141 	__I40E_CONFIG_DONE,
142 	__I40E_DOWN,
143 	__I40E_SERVICE_SCHED,
144 	__I40E_ADMINQ_EVENT_PENDING,
145 	__I40E_MDD_EVENT_PENDING,
146 	__I40E_VFLR_EVENT_PENDING,
147 	__I40E_RESET_RECOVERY_PENDING,
148 	__I40E_MISC_IRQ_REQUESTED,
149 	__I40E_RESET_INTR_RECEIVED,
150 	__I40E_REINIT_REQUESTED,
151 	__I40E_PF_RESET_REQUESTED,
152 	__I40E_CORE_RESET_REQUESTED,
153 	__I40E_GLOBAL_RESET_REQUESTED,
154 	__I40E_EMP_RESET_REQUESTED,
155 	__I40E_EMP_RESET_INTR_RECEIVED,
156 	__I40E_SUSPENDED,
157 	__I40E_PTP_TX_IN_PROGRESS,
158 	__I40E_BAD_EEPROM,
159 	__I40E_DOWN_REQUESTED,
160 	__I40E_FD_FLUSH_REQUESTED,
161 	__I40E_RESET_FAILED,
162 	__I40E_PORT_SUSPENDED,
163 	__I40E_VF_DISABLE,
164 	/* This must be last as it determines the size of the BITMAP */
165 	__I40E_STATE_SIZE__,
166 };
167 
168 #define I40E_PF_RESET_FLAG	BIT_ULL(__I40E_PF_RESET_REQUESTED)
169 
170 /* VSI state flags */
171 enum i40e_vsi_state_t {
172 	__I40E_VSI_DOWN,
173 	__I40E_VSI_NEEDS_RESTART,
174 	__I40E_VSI_SYNCING_FILTERS,
175 	__I40E_VSI_OVERFLOW_PROMISC,
176 	__I40E_VSI_REINIT_REQUESTED,
177 	__I40E_VSI_DOWN_REQUESTED,
178 	/* This must be last as it determines the size of the BITMAP */
179 	__I40E_VSI_STATE_SIZE__,
180 };
181 
182 enum i40e_interrupt_policy {
183 	I40E_INTERRUPT_BEST_CASE,
184 	I40E_INTERRUPT_MEDIUM,
185 	I40E_INTERRUPT_LOWEST
186 };
187 
188 struct i40e_lump_tracking {
189 	u16 num_entries;
190 	u16 search_hint;
191 	u16 list[0];
192 #define I40E_PILE_VALID_BIT  0x8000
193 #define I40E_IWARP_IRQ_PILE_ID  (I40E_PILE_VALID_BIT - 2)
194 };
195 
196 #define I40E_DEFAULT_ATR_SAMPLE_RATE	20
197 #define I40E_FDIR_MAX_RAW_PACKET_SIZE	512
198 #define I40E_FDIR_BUFFER_FULL_MARGIN	10
199 #define I40E_FDIR_BUFFER_HEAD_ROOM	32
200 #define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4)
201 
202 #define I40E_HKEY_ARRAY_SIZE	((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4)
203 #define I40E_HLUT_ARRAY_SIZE	((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
204 #define I40E_VF_HLUT_ARRAY_SIZE	((I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4)
205 
206 enum i40e_fd_stat_idx {
207 	I40E_FD_STAT_ATR,
208 	I40E_FD_STAT_SB,
209 	I40E_FD_STAT_ATR_TUNNEL,
210 	I40E_FD_STAT_PF_COUNT
211 };
212 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT)
213 #define I40E_FD_ATR_STAT_IDX(pf_id) \
214 			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR)
215 #define I40E_FD_SB_STAT_IDX(pf_id)  \
216 			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB)
217 #define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \
218 			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL)
219 
220 /* The following structure contains the data parsed from the user-defined
221  * field of the ethtool_rx_flow_spec structure.
222  */
223 struct i40e_rx_flow_userdef {
224 	bool flex_filter;
225 	u16 flex_word;
226 	u16 flex_offset;
227 };
228 
229 struct i40e_fdir_filter {
230 	struct hlist_node fdir_node;
231 	/* filter ipnut set */
232 	u8 flow_type;
233 	u8 ip4_proto;
234 	/* TX packet view of src and dst */
235 	__be32 dst_ip;
236 	__be32 src_ip;
237 	__be16 src_port;
238 	__be16 dst_port;
239 	__be32 sctp_v_tag;
240 
241 	/* Flexible data to match within the packet payload */
242 	__be16 flex_word;
243 	u16 flex_offset;
244 	bool flex_filter;
245 
246 	/* filter control */
247 	u16 q_index;
248 	u8  flex_off;
249 	u8  pctype;
250 	u16 dest_vsi;
251 	u8  dest_ctl;
252 	u8  fd_status;
253 	u16 cnt_index;
254 	u32 fd_id;
255 };
256 
257 #define I40E_CLOUD_FIELD_OMAC	0x01
258 #define I40E_CLOUD_FIELD_IMAC	0x02
259 #define I40E_CLOUD_FIELD_IVLAN	0x04
260 #define I40E_CLOUD_FIELD_TEN_ID	0x08
261 #define I40E_CLOUD_FIELD_IIP	0x10
262 
263 #define I40E_CLOUD_FILTER_FLAGS_OMAC	I40E_CLOUD_FIELD_OMAC
264 #define I40E_CLOUD_FILTER_FLAGS_IMAC	I40E_CLOUD_FIELD_IMAC
265 #define I40E_CLOUD_FILTER_FLAGS_IMAC_IVLAN	(I40E_CLOUD_FIELD_IMAC | \
266 						 I40E_CLOUD_FIELD_IVLAN)
267 #define I40E_CLOUD_FILTER_FLAGS_IMAC_TEN_ID	(I40E_CLOUD_FIELD_IMAC | \
268 						 I40E_CLOUD_FIELD_TEN_ID)
269 #define I40E_CLOUD_FILTER_FLAGS_OMAC_TEN_ID_IMAC (I40E_CLOUD_FIELD_OMAC | \
270 						  I40E_CLOUD_FIELD_IMAC | \
271 						  I40E_CLOUD_FIELD_TEN_ID)
272 #define I40E_CLOUD_FILTER_FLAGS_IMAC_IVLAN_TEN_ID (I40E_CLOUD_FIELD_IMAC | \
273 						   I40E_CLOUD_FIELD_IVLAN | \
274 						   I40E_CLOUD_FIELD_TEN_ID)
275 #define I40E_CLOUD_FILTER_FLAGS_IIP	I40E_CLOUD_FIELD_IIP
276 
277 struct i40e_cloud_filter {
278 	struct hlist_node cloud_node;
279 	unsigned long cookie;
280 	/* cloud filter input set follows */
281 	u8 dst_mac[ETH_ALEN];
282 	u8 src_mac[ETH_ALEN];
283 	__be16 vlan_id;
284 	u16 seid;       /* filter control */
285 	__be16 dst_port;
286 	__be16 src_port;
287 	u32 tenant_id;
288 	union {
289 		struct {
290 			struct in_addr dst_ip;
291 			struct in_addr src_ip;
292 		} v4;
293 		struct {
294 			struct in6_addr dst_ip6;
295 			struct in6_addr src_ip6;
296 		} v6;
297 	} ip;
298 #define dst_ipv6	ip.v6.dst_ip6.s6_addr32
299 #define src_ipv6	ip.v6.src_ip6.s6_addr32
300 #define dst_ipv4	ip.v4.dst_ip.s_addr
301 #define src_ipv4	ip.v4.src_ip.s_addr
302 	u16 n_proto;    /* Ethernet Protocol */
303 	u8 ip_proto;    /* IPPROTO value */
304 	u8 flags;
305 #define I40E_CLOUD_TNL_TYPE_NONE        0xff
306 	u8 tunnel_type;
307 };
308 
309 #define I40E_ETH_P_LLDP			0x88cc
310 
311 #define I40E_DCB_PRIO_TYPE_STRICT	0
312 #define I40E_DCB_PRIO_TYPE_ETS		1
313 #define I40E_DCB_STRICT_PRIO_CREDITS	127
314 /* DCB per TC information data structure */
315 struct i40e_tc_info {
316 	u16	qoffset;	/* Queue offset from base queue */
317 	u16	qcount;		/* Total Queues */
318 	u8	netdev_tc;	/* Netdev TC index if netdev associated */
319 };
320 
321 /* TC configuration data structure */
322 struct i40e_tc_configuration {
323 	u8	numtc;		/* Total number of enabled TCs */
324 	u8	enabled_tc;	/* TC map */
325 	struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS];
326 };
327 
328 struct i40e_udp_port_config {
329 	/* AdminQ command interface expects port number in Host byte order */
330 	u16 port;
331 	u8 type;
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 #define I40E_FLEX_PIT_GET_SRC(flex) (((flex) & \
349 				     I40E_PRTQF_FLX_PIT_SOURCE_OFF_MASK) >> \
350 				     I40E_PRTQF_FLX_PIT_SOURCE_OFF_SHIFT)
351 #define I40E_FLEX_PIT_GET_DST(flex) (((flex) & \
352 				     I40E_PRTQF_FLX_PIT_DEST_OFF_MASK) >> \
353 				     I40E_PRTQF_FLX_PIT_DEST_OFF_SHIFT)
354 #define I40E_FLEX_PIT_GET_FSIZE(flex) (((flex) & \
355 				       I40E_PRTQF_FLX_PIT_FSIZE_MASK) >> \
356 				       I40E_PRTQF_FLX_PIT_FSIZE_SHIFT)
357 
358 #define I40E_MAX_FLEX_SRC_OFFSET 0x1F
359 
360 /* macros related to GLQF_ORT */
361 #define I40E_ORT_SET_IDX(idx)		(((idx) << \
362 					  I40E_GLQF_ORT_PIT_INDX_SHIFT) & \
363 					 I40E_GLQF_ORT_PIT_INDX_MASK)
364 
365 #define I40E_ORT_SET_COUNT(count)	(((count) << \
366 					  I40E_GLQF_ORT_FIELD_CNT_SHIFT) & \
367 					 I40E_GLQF_ORT_FIELD_CNT_MASK)
368 
369 #define I40E_ORT_SET_PAYLOAD(payload)	(((payload) << \
370 					  I40E_GLQF_ORT_FLX_PAYLOAD_SHIFT) & \
371 					 I40E_GLQF_ORT_FLX_PAYLOAD_MASK)
372 
373 #define I40E_ORT_PREP_VAL(idx, count, payload) (I40E_ORT_SET_IDX(idx) | \
374 						I40E_ORT_SET_COUNT(count) | \
375 						I40E_ORT_SET_PAYLOAD(payload))
376 
377 #define I40E_L3_GLQF_ORT_IDX		34
378 #define I40E_L4_GLQF_ORT_IDX		35
379 
380 /* Flex PIT register index */
381 #define I40E_FLEX_PIT_IDX_START_L2	0
382 #define I40E_FLEX_PIT_IDX_START_L3	3
383 #define I40E_FLEX_PIT_IDX_START_L4	6
384 
385 #define I40E_FLEX_PIT_TABLE_SIZE	3
386 
387 #define I40E_FLEX_DEST_UNUSED		63
388 
389 #define I40E_FLEX_INDEX_ENTRIES		8
390 
391 /* Flex MASK to disable all flexible entries */
392 #define I40E_FLEX_INPUT_MASK	(I40E_FLEX_50_MASK | I40E_FLEX_51_MASK | \
393 				 I40E_FLEX_52_MASK | I40E_FLEX_53_MASK | \
394 				 I40E_FLEX_54_MASK | I40E_FLEX_55_MASK | \
395 				 I40E_FLEX_56_MASK | I40E_FLEX_57_MASK)
396 
397 struct i40e_flex_pit {
398 	struct list_head list;
399 	u16 src_offset;
400 	u8 pit_index;
401 };
402 
403 struct i40e_channel {
404 	struct list_head list;
405 	bool initialized;
406 	u8 type;
407 	u16 vsi_number; /* Assigned VSI number from AQ 'Add VSI' response */
408 	u16 stat_counter_idx;
409 	u16 base_queue;
410 	u16 num_queue_pairs; /* Requested by user */
411 	u16 seid;
412 
413 	u8 enabled_tc;
414 	struct i40e_aqc_vsi_properties_data info;
415 
416 	u64 max_tx_rate;
417 
418 	/* track this channel belongs to which VSI */
419 	struct i40e_vsi *parent_vsi;
420 };
421 
422 /* struct that defines the Ethernet device */
423 struct i40e_pf {
424 	struct pci_dev *pdev;
425 	struct i40e_hw hw;
426 	DECLARE_BITMAP(state, __I40E_STATE_SIZE__);
427 	struct msix_entry *msix_entries;
428 	bool fc_autoneg_status;
429 
430 	u16 eeprom_version;
431 	u16 num_vmdq_vsis;         /* num vmdq vsis this PF has set up */
432 	u16 num_vmdq_qps;          /* num queue pairs per vmdq pool */
433 	u16 num_vmdq_msix;         /* num queue vectors per vmdq pool */
434 	u16 num_req_vfs;           /* num VFs requested for this PF */
435 	u16 num_vf_qps;            /* num queue pairs per VF */
436 	u16 num_lan_qps;           /* num lan queues this PF has set up */
437 	u16 num_lan_msix;          /* num queue vectors for the base PF vsi */
438 	u16 num_fdsb_msix;         /* num queue vectors for sideband Fdir */
439 	u16 num_iwarp_msix;        /* num of iwarp vectors for this PF */
440 	int iwarp_base_vector;
441 	int queues_left;           /* queues left unclaimed */
442 	u16 alloc_rss_size;        /* allocated RSS queues */
443 	u16 rss_size_max;          /* HW defined max RSS queues */
444 	u16 fdir_pf_filter_count;  /* num of guaranteed filters for this PF */
445 	u16 num_alloc_vsi;         /* num VSIs this driver supports */
446 	u8 atr_sample_rate;
447 	bool wol_en;
448 
449 	struct hlist_head fdir_filter_list;
450 	u16 fdir_pf_active_filters;
451 	unsigned long fd_flush_timestamp;
452 	u32 fd_flush_cnt;
453 	u32 fd_add_err;
454 	u32 fd_atr_cnt;
455 
456 	/* Book-keeping of side-band filter count per flow-type.
457 	 * This is used to detect and handle input set changes for
458 	 * respective flow-type.
459 	 */
460 	u16 fd_tcp4_filter_cnt;
461 	u16 fd_udp4_filter_cnt;
462 	u16 fd_sctp4_filter_cnt;
463 	u16 fd_ip4_filter_cnt;
464 
465 	/* Flexible filter table values that need to be programmed into
466 	 * hardware, which expects L3 and L4 to be programmed separately. We
467 	 * need to ensure that the values are in ascended order and don't have
468 	 * duplicates, so we track each L3 and L4 values in separate lists.
469 	 */
470 	struct list_head l3_flex_pit_list;
471 	struct list_head l4_flex_pit_list;
472 
473 	struct i40e_udp_port_config udp_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS];
474 	u16 pending_udp_bitmap;
475 
476 	struct hlist_head cloud_filter_list;
477 	u16 num_cloud_filters;
478 
479 	enum i40e_interrupt_policy int_policy;
480 	u16 rx_itr_default;
481 	u16 tx_itr_default;
482 	u32 msg_enable;
483 	char int_name[I40E_INT_NAME_STR_LEN];
484 	u16 adminq_work_limit; /* num of admin receive queue desc to process */
485 	unsigned long service_timer_period;
486 	unsigned long service_timer_previous;
487 	struct timer_list service_timer;
488 	struct work_struct service_task;
489 
490 	u32 hw_features;
491 #define I40E_HW_RSS_AQ_CAPABLE			BIT(0)
492 #define I40E_HW_128_QP_RSS_CAPABLE		BIT(1)
493 #define I40E_HW_ATR_EVICT_CAPABLE		BIT(2)
494 #define I40E_HW_WB_ON_ITR_CAPABLE		BIT(3)
495 #define I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE	BIT(4)
496 #define I40E_HW_NO_PCI_LINK_CHECK		BIT(5)
497 #define I40E_HW_100M_SGMII_CAPABLE		BIT(6)
498 #define I40E_HW_NO_DCB_SUPPORT			BIT(7)
499 #define I40E_HW_USE_SET_LLDP_MIB		BIT(8)
500 #define I40E_HW_GENEVE_OFFLOAD_CAPABLE		BIT(9)
501 #define I40E_HW_PTP_L4_CAPABLE			BIT(10)
502 #define I40E_HW_WOL_MC_MAGIC_PKT_WAKE		BIT(11)
503 #define I40E_HW_MPLS_HDR_OFFLOAD_CAPABLE	BIT(12)
504 #define I40E_HW_HAVE_CRT_RETIMER		BIT(13)
505 #define I40E_HW_OUTER_UDP_CSUM_CAPABLE		BIT(14)
506 #define I40E_HW_PHY_CONTROLS_LEDS		BIT(15)
507 #define I40E_HW_STOP_FW_LLDP			BIT(16)
508 #define I40E_HW_PORT_ID_VALID			BIT(17)
509 #define I40E_HW_RESTART_AUTONEG			BIT(18)
510 
511 	u32 flags;
512 #define I40E_FLAG_RX_CSUM_ENABLED		BIT(0)
513 #define I40E_FLAG_MSI_ENABLED			BIT(1)
514 #define I40E_FLAG_MSIX_ENABLED			BIT(2)
515 #define I40E_FLAG_RSS_ENABLED			BIT(3)
516 #define I40E_FLAG_VMDQ_ENABLED			BIT(4)
517 #define I40E_FLAG_FILTER_SYNC			BIT(5)
518 #define I40E_FLAG_SRIOV_ENABLED			BIT(6)
519 #define I40E_FLAG_DCB_CAPABLE			BIT(7)
520 #define I40E_FLAG_DCB_ENABLED			BIT(8)
521 #define I40E_FLAG_FD_SB_ENABLED			BIT(9)
522 #define I40E_FLAG_FD_ATR_ENABLED		BIT(10)
523 #define I40E_FLAG_FD_SB_AUTO_DISABLED		BIT(11)
524 #define I40E_FLAG_FD_ATR_AUTO_DISABLED		BIT(12)
525 #define I40E_FLAG_MFP_ENABLED			BIT(13)
526 #define I40E_FLAG_UDP_FILTER_SYNC		BIT(14)
527 #define I40E_FLAG_HW_ATR_EVICT_ENABLED		BIT(15)
528 #define I40E_FLAG_VEB_MODE_ENABLED		BIT(16)
529 #define I40E_FLAG_VEB_STATS_ENABLED		BIT(17)
530 #define I40E_FLAG_LINK_POLLING_ENABLED		BIT(18)
531 #define I40E_FLAG_TRUE_PROMISC_SUPPORT		BIT(19)
532 #define I40E_FLAG_TEMP_LINK_POLLING		BIT(20)
533 #define I40E_FLAG_LEGACY_RX			BIT(21)
534 #define I40E_FLAG_PTP				BIT(22)
535 #define I40E_FLAG_IWARP_ENABLED			BIT(23)
536 #define I40E_FLAG_SERVICE_CLIENT_REQUESTED	BIT(24)
537 #define I40E_FLAG_CLIENT_L2_CHANGE		BIT(25)
538 #define I40E_FLAG_CLIENT_RESET			BIT(26)
539 #define I40E_FLAG_LINK_DOWN_ON_CLOSE_ENABLED	BIT(27)
540 #define I40E_FLAG_SOURCE_PRUNING_DISABLED	BIT(28)
541 #define I40E_FLAG_TC_MQPRIO			BIT(29)
542 #define I40E_FLAG_FD_SB_INACTIVE		BIT(30)
543 #define I40E_FLAG_FD_SB_TO_CLOUD_FILTER		BIT(31)
544 
545 	struct i40e_client_instance *cinst;
546 	bool stat_offsets_loaded;
547 	struct i40e_hw_port_stats stats;
548 	struct i40e_hw_port_stats stats_offsets;
549 	u32 tx_timeout_count;
550 	u32 tx_timeout_recovery_level;
551 	unsigned long tx_timeout_last_recovery;
552 	u32 tx_sluggish_count;
553 	u32 hw_csum_rx_error;
554 	u32 led_status;
555 	u16 corer_count; /* Core reset count */
556 	u16 globr_count; /* Global reset count */
557 	u16 empr_count; /* EMP reset count */
558 	u16 pfr_count; /* PF reset count */
559 	u16 sw_int_count; /* SW interrupt count */
560 
561 	struct mutex switch_mutex;
562 	u16 lan_vsi;       /* our default LAN VSI */
563 	u16 lan_veb;       /* initial relay, if exists */
564 #define I40E_NO_VEB	0xffff
565 #define I40E_NO_VSI	0xffff
566 	u16 next_vsi;      /* Next unallocated VSI - 0-based! */
567 	struct i40e_vsi **vsi;
568 	struct i40e_veb *veb[I40E_MAX_VEB];
569 
570 	struct i40e_lump_tracking *qp_pile;
571 	struct i40e_lump_tracking *irq_pile;
572 
573 	/* switch config info */
574 	u16 pf_seid;
575 	u16 main_vsi_seid;
576 	u16 mac_seid;
577 	struct kobject *switch_kobj;
578 #ifdef CONFIG_DEBUG_FS
579 	struct dentry *i40e_dbg_pf;
580 #endif /* CONFIG_DEBUG_FS */
581 	bool cur_promisc;
582 
583 	u16 instance; /* A unique number per i40e_pf instance in the system */
584 
585 	/* sr-iov config info */
586 	struct i40e_vf *vf;
587 	int num_alloc_vfs;	/* actual number of VFs allocated */
588 	u32 vf_aq_requests;
589 	u32 arq_overflows;	/* Not fatal, possibly indicative of problems */
590 
591 	/* DCBx/DCBNL capability for PF that indicates
592 	 * whether DCBx is managed by firmware or host
593 	 * based agent (LLDPAD). Also, indicates what
594 	 * flavor of DCBx protocol (IEEE/CEE) is supported
595 	 * by the device. For now we're supporting IEEE
596 	 * mode only.
597 	 */
598 	u16 dcbx_cap;
599 
600 	struct i40e_filter_control_settings filter_settings;
601 
602 	struct ptp_clock *ptp_clock;
603 	struct ptp_clock_info ptp_caps;
604 	struct sk_buff *ptp_tx_skb;
605 	unsigned long ptp_tx_start;
606 	struct hwtstamp_config tstamp_config;
607 	struct mutex tmreg_lock; /* Used to protect the SYSTIME registers. */
608 	u64 ptp_base_adj;
609 	u32 tx_hwtstamp_timeouts;
610 	u32 tx_hwtstamp_skipped;
611 	u32 rx_hwtstamp_cleared;
612 	u32 latch_event_flags;
613 	spinlock_t ptp_rx_lock; /* Used to protect Rx timestamp registers. */
614 	unsigned long latch_events[4];
615 	bool ptp_tx;
616 	bool ptp_rx;
617 	u16 rss_table_size; /* HW RSS table size */
618 	u32 max_bw;
619 	u32 min_bw;
620 
621 	u32 ioremap_len;
622 	u32 fd_inv;
623 	u16 phy_led_val;
624 
625 	u16 override_q_count;
626 	u16 last_sw_conf_flags;
627 	u16 last_sw_conf_valid_flags;
628 };
629 
630 /**
631  * i40e_mac_to_hkey - Convert a 6-byte MAC Address to a u64 hash key
632  * @macaddr: the MAC Address as the base key
633  *
634  * Simply copies the address and returns it as a u64 for hashing
635  **/
636 static inline u64 i40e_addr_to_hkey(const u8 *macaddr)
637 {
638 	u64 key = 0;
639 
640 	ether_addr_copy((u8 *)&key, macaddr);
641 	return key;
642 }
643 
644 enum i40e_filter_state {
645 	I40E_FILTER_INVALID = 0,	/* Invalid state */
646 	I40E_FILTER_NEW,		/* New, not sent to FW yet */
647 	I40E_FILTER_ACTIVE,		/* Added to switch by FW */
648 	I40E_FILTER_FAILED,		/* Rejected by FW */
649 	I40E_FILTER_REMOVE,		/* To be removed */
650 /* There is no 'removed' state; the filter struct is freed */
651 };
652 struct i40e_mac_filter {
653 	struct hlist_node hlist;
654 	u8 macaddr[ETH_ALEN];
655 #define I40E_VLAN_ANY -1
656 	s16 vlan;
657 	enum i40e_filter_state state;
658 };
659 
660 /* Wrapper structure to keep track of filters while we are preparing to send
661  * firmware commands. We cannot send firmware commands while holding a
662  * spinlock, since it might sleep. To avoid this, we wrap the added filters in
663  * a separate structure, which will track the state change and update the real
664  * filter while under lock. We can't simply hold the filters in a separate
665  * list, as this opens a window for a race condition when adding new MAC
666  * addresses to all VLANs, or when adding new VLANs to all MAC addresses.
667  */
668 struct i40e_new_mac_filter {
669 	struct hlist_node hlist;
670 	struct i40e_mac_filter *f;
671 
672 	/* Track future changes to state separately */
673 	enum i40e_filter_state state;
674 };
675 
676 struct i40e_veb {
677 	struct i40e_pf *pf;
678 	u16 idx;
679 	u16 veb_idx;		/* index of VEB parent */
680 	u16 seid;
681 	u16 uplink_seid;
682 	u16 stats_idx;		/* index of VEB parent */
683 	u8  enabled_tc;
684 	u16 bridge_mode;	/* Bridge Mode (VEB/VEPA) */
685 	u16 flags;
686 	u16 bw_limit;
687 	u8  bw_max_quanta;
688 	bool is_abs_credits;
689 	u8  bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS];
690 	u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS];
691 	u8  bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS];
692 	struct kobject *kobj;
693 	bool stat_offsets_loaded;
694 	struct i40e_eth_stats stats;
695 	struct i40e_eth_stats stats_offsets;
696 	struct i40e_veb_tc_stats tc_stats;
697 	struct i40e_veb_tc_stats tc_stats_offsets;
698 };
699 
700 /* struct that defines a VSI, associated with a dev */
701 struct i40e_vsi {
702 	struct net_device *netdev;
703 	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
704 	bool netdev_registered;
705 	bool stat_offsets_loaded;
706 
707 	u32 current_netdev_flags;
708 	DECLARE_BITMAP(state, __I40E_VSI_STATE_SIZE__);
709 #define I40E_VSI_FLAG_FILTER_CHANGED	BIT(0)
710 #define I40E_VSI_FLAG_VEB_OWNER		BIT(1)
711 	unsigned long flags;
712 
713 	/* Per VSI lock to protect elements/hash (MAC filter) */
714 	spinlock_t mac_filter_hash_lock;
715 	/* Fixed size hash table with 2^8 buckets for MAC filters */
716 	DECLARE_HASHTABLE(mac_filter_hash, 8);
717 	bool has_vlan_filter;
718 
719 	/* VSI stats */
720 	struct rtnl_link_stats64 net_stats;
721 	struct rtnl_link_stats64 net_stats_offsets;
722 	struct i40e_eth_stats eth_stats;
723 	struct i40e_eth_stats eth_stats_offsets;
724 	u32 tx_restart;
725 	u32 tx_busy;
726 	u64 tx_linearize;
727 	u64 tx_force_wb;
728 	u32 rx_buf_failed;
729 	u32 rx_page_failed;
730 
731 	/* These are containers of ring pointers, allocated at run-time */
732 	struct i40e_ring **rx_rings;
733 	struct i40e_ring **tx_rings;
734 	struct i40e_ring **xdp_rings; /* XDP Tx rings */
735 
736 	u32  active_filters;
737 	u32  promisc_threshold;
738 
739 	u16 work_limit;
740 	u16 int_rate_limit;	/* value in usecs */
741 
742 	u16 rss_table_size;	/* HW RSS table size */
743 	u16 rss_size;		/* Allocated RSS queues */
744 	u8  *rss_hkey_user;	/* User configured hash keys */
745 	u8  *rss_lut_user;	/* User configured lookup table entries */
746 
747 
748 	u16 max_frame;
749 	u16 rx_buf_len;
750 
751 	struct bpf_prog *xdp_prog;
752 
753 	/* List of q_vectors allocated to this VSI */
754 	struct i40e_q_vector **q_vectors;
755 	int num_q_vectors;
756 	int base_vector;
757 	bool irqs_ready;
758 
759 	u16 seid;		/* HW index of this VSI (absolute index) */
760 	u16 id;			/* VSI number */
761 	u16 uplink_seid;
762 
763 	u16 base_queue;		/* vsi's first queue in hw array */
764 	u16 alloc_queue_pairs;	/* Allocated Tx/Rx queues */
765 	u16 req_queue_pairs;	/* User requested queue pairs */
766 	u16 num_queue_pairs;	/* Used tx and rx pairs */
767 	u16 num_desc;
768 	enum i40e_vsi_type type;  /* VSI type, e.g., LAN, FCoE, etc */
769 	s16 vf_id;		/* Virtual function ID for SRIOV VSIs */
770 
771 	struct tc_mqprio_qopt_offload mqprio_qopt; /* queue parameters */
772 	struct i40e_tc_configuration tc_config;
773 	struct i40e_aqc_vsi_properties_data info;
774 
775 	/* VSI BW limit (absolute across all TCs) */
776 	u16 bw_limit;		/* VSI BW Limit (0 = disabled) */
777 	u8  bw_max_quanta;	/* Max Quanta when BW limit is enabled */
778 
779 	/* Relative TC credits across VSIs */
780 	u8  bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS];
781 	/* TC BW limit credits within VSI */
782 	u16  bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS];
783 	/* TC BW limit max quanta within VSI */
784 	u8  bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS];
785 
786 	struct i40e_pf *back;	/* Backreference to associated PF */
787 	u16 idx;		/* index in pf->vsi[] */
788 	u16 veb_idx;		/* index of VEB parent */
789 	struct kobject *kobj;	/* sysfs object */
790 	bool current_isup;	/* Sync 'link up' logging */
791 	enum i40e_aq_link_speed current_speed;	/* Sync link speed logging */
792 
793 	/* channel specific fields */
794 	u16 cnt_q_avail;	/* num of queues available for channel usage */
795 	u16 orig_rss_size;
796 	u16 current_rss_size;
797 	bool reconfig_rss;
798 
799 	u16 next_base_queue;	/* next queue to be used for channel setup */
800 
801 	struct list_head ch_list;
802 	u16 tc_seid_map[I40E_MAX_TRAFFIC_CLASS];
803 
804 	void *priv;	/* client driver data reference. */
805 
806 	/* VSI specific handlers */
807 	irqreturn_t (*irq_handler)(int irq, void *data);
808 } ____cacheline_internodealigned_in_smp;
809 
810 struct i40e_netdev_priv {
811 	struct i40e_vsi *vsi;
812 };
813 
814 /* struct that defines an interrupt vector */
815 struct i40e_q_vector {
816 	struct i40e_vsi *vsi;
817 
818 	u16 v_idx;		/* index in the vsi->q_vector array. */
819 	u16 reg_idx;		/* register index of the interrupt */
820 
821 	struct napi_struct napi;
822 
823 	struct i40e_ring_container rx;
824 	struct i40e_ring_container tx;
825 
826 	u8 num_ringpairs;	/* total number of ring pairs in vector */
827 
828 	cpumask_t affinity_mask;
829 	struct irq_affinity_notify affinity_notify;
830 
831 	struct rcu_head rcu;	/* to avoid race with update stats on free */
832 	char name[I40E_INT_NAME_STR_LEN];
833 	bool arm_wb_state;
834 #define ITR_COUNTDOWN_START 100
835 	u8 itr_countdown;	/* when 0 should adjust ITR */
836 } ____cacheline_internodealigned_in_smp;
837 
838 /* lan device */
839 struct i40e_device {
840 	struct list_head list;
841 	struct i40e_pf *pf;
842 };
843 
844 /**
845  * i40e_nvm_version_str - format the NVM version strings
846  * @hw: ptr to the hardware info
847  **/
848 static inline char *i40e_nvm_version_str(struct i40e_hw *hw)
849 {
850 	static char buf[32];
851 	u32 full_ver;
852 
853 	full_ver = hw->nvm.oem_ver;
854 
855 	if (hw->nvm.eetrack == I40E_OEM_EETRACK_ID) {
856 		u8 gen, snap;
857 		u16 release;
858 
859 		gen = (u8)(full_ver >> I40E_OEM_GEN_SHIFT);
860 		snap = (u8)((full_ver & I40E_OEM_SNAP_MASK) >>
861 			I40E_OEM_SNAP_SHIFT);
862 		release = (u16)(full_ver & I40E_OEM_RELEASE_MASK);
863 
864 		snprintf(buf, sizeof(buf), "%x.%x.%x", gen, snap, release);
865 	} else {
866 		u8 ver, patch;
867 		u16 build;
868 
869 		ver = (u8)(full_ver >> I40E_OEM_VER_SHIFT);
870 		build = (u16)((full_ver >> I40E_OEM_VER_BUILD_SHIFT) &
871 			 I40E_OEM_VER_BUILD_MASK);
872 		patch = (u8)(full_ver & I40E_OEM_VER_PATCH_MASK);
873 
874 		snprintf(buf, sizeof(buf),
875 			 "%x.%02x 0x%x %d.%d.%d",
876 			 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >>
877 				I40E_NVM_VERSION_HI_SHIFT,
878 			 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >>
879 				I40E_NVM_VERSION_LO_SHIFT,
880 			 hw->nvm.eetrack, ver, build, patch);
881 	}
882 
883 	return buf;
884 }
885 
886 /**
887  * i40e_netdev_to_pf: Retrieve the PF struct for given netdev
888  * @netdev: the corresponding netdev
889  *
890  * Return the PF struct for the given netdev
891  **/
892 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev)
893 {
894 	struct i40e_netdev_priv *np = netdev_priv(netdev);
895 	struct i40e_vsi *vsi = np->vsi;
896 
897 	return vsi->back;
898 }
899 
900 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi,
901 				irqreturn_t (*irq_handler)(int, void *))
902 {
903 	vsi->irq_handler = irq_handler;
904 }
905 
906 /**
907  * i40e_get_fd_cnt_all - get the total FD filter space available
908  * @pf: pointer to the PF struct
909  **/
910 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf)
911 {
912 	return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count;
913 }
914 
915 /**
916  * i40e_read_fd_input_set - reads value of flow director input set register
917  * @pf: pointer to the PF struct
918  * @addr: register addr
919  *
920  * This function reads value of flow director input set register
921  * specified by 'addr' (which is specific to flow-type)
922  **/
923 static inline u64 i40e_read_fd_input_set(struct i40e_pf *pf, u16 addr)
924 {
925 	u64 val;
926 
927 	val = i40e_read_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 1));
928 	val <<= 32;
929 	val += i40e_read_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 0));
930 
931 	return val;
932 }
933 
934 /**
935  * i40e_write_fd_input_set - writes value into flow director input set register
936  * @pf: pointer to the PF struct
937  * @addr: register addr
938  * @val: value to be written
939  *
940  * This function writes specified value to the register specified by 'addr'.
941  * This register is input set register based on flow-type.
942  **/
943 static inline void i40e_write_fd_input_set(struct i40e_pf *pf,
944 					   u16 addr, u64 val)
945 {
946 	i40e_write_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 1),
947 			  (u32)(val >> 32));
948 	i40e_write_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 0),
949 			  (u32)(val & 0xFFFFFFFFULL));
950 }
951 
952 /* needed by i40e_ethtool.c */
953 int i40e_up(struct i40e_vsi *vsi);
954 void i40e_down(struct i40e_vsi *vsi);
955 extern const char i40e_driver_name[];
956 extern const char i40e_driver_version_str[];
957 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags);
958 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags, bool lock_acquired);
959 int i40e_config_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
960 int i40e_get_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
961 void i40e_fill_rss_lut(struct i40e_pf *pf, u8 *lut,
962 		       u16 rss_table_size, u16 rss_size);
963 struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id);
964 /**
965  * i40e_find_vsi_by_type - Find and return Flow Director VSI
966  * @pf: PF to search for VSI
967  * @type: Value indicating type of VSI we are looking for
968  **/
969 static inline struct i40e_vsi *
970 i40e_find_vsi_by_type(struct i40e_pf *pf, u16 type)
971 {
972 	int i;
973 
974 	for (i = 0; i < pf->num_alloc_vsi; i++) {
975 		struct i40e_vsi *vsi = pf->vsi[i];
976 
977 		if (vsi && vsi->type == type)
978 			return vsi;
979 	}
980 
981 	return NULL;
982 }
983 void i40e_update_stats(struct i40e_vsi *vsi);
984 void i40e_update_eth_stats(struct i40e_vsi *vsi);
985 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi);
986 int i40e_fetch_switch_configuration(struct i40e_pf *pf,
987 				    bool printconfig);
988 
989 int i40e_add_del_fdir(struct i40e_vsi *vsi,
990 		      struct i40e_fdir_filter *input, bool add);
991 void i40e_fdir_check_and_reenable(struct i40e_pf *pf);
992 u32 i40e_get_current_fd_count(struct i40e_pf *pf);
993 u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf);
994 u32 i40e_get_current_atr_cnt(struct i40e_pf *pf);
995 u32 i40e_get_global_fd_count(struct i40e_pf *pf);
996 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features);
997 void i40e_set_ethtool_ops(struct net_device *netdev);
998 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
999 					const u8 *macaddr, s16 vlan);
1000 void __i40e_del_filter(struct i40e_vsi *vsi, struct i40e_mac_filter *f);
1001 void i40e_del_filter(struct i40e_vsi *vsi, const u8 *macaddr, s16 vlan);
1002 int i40e_sync_vsi_filters(struct i40e_vsi *vsi);
1003 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
1004 				u16 uplink, u32 param1);
1005 int i40e_vsi_release(struct i40e_vsi *vsi);
1006 void i40e_service_event_schedule(struct i40e_pf *pf);
1007 void i40e_notify_client_of_vf_msg(struct i40e_vsi *vsi, u32 vf_id,
1008 				  u8 *msg, u16 len);
1009 
1010 int i40e_vsi_start_rings(struct i40e_vsi *vsi);
1011 void i40e_vsi_stop_rings(struct i40e_vsi *vsi);
1012 void i40e_vsi_stop_rings_no_wait(struct  i40e_vsi *vsi);
1013 int i40e_vsi_wait_queues_disabled(struct i40e_vsi *vsi);
1014 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count);
1015 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid,
1016 				u16 downlink_seid, u8 enabled_tc);
1017 void i40e_veb_release(struct i40e_veb *veb);
1018 
1019 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc);
1020 int i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
1021 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi);
1022 void i40e_vsi_reset_stats(struct i40e_vsi *vsi);
1023 void i40e_pf_reset_stats(struct i40e_pf *pf);
1024 #ifdef CONFIG_DEBUG_FS
1025 void i40e_dbg_pf_init(struct i40e_pf *pf);
1026 void i40e_dbg_pf_exit(struct i40e_pf *pf);
1027 void i40e_dbg_init(void);
1028 void i40e_dbg_exit(void);
1029 #else
1030 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {}
1031 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {}
1032 static inline void i40e_dbg_init(void) {}
1033 static inline void i40e_dbg_exit(void) {}
1034 #endif /* CONFIG_DEBUG_FS*/
1035 /* needed by client drivers */
1036 int i40e_lan_add_device(struct i40e_pf *pf);
1037 int i40e_lan_del_device(struct i40e_pf *pf);
1038 void i40e_client_subtask(struct i40e_pf *pf);
1039 void i40e_notify_client_of_l2_param_changes(struct i40e_vsi *vsi);
1040 void i40e_notify_client_of_netdev_close(struct i40e_vsi *vsi, bool reset);
1041 void i40e_notify_client_of_vf_enable(struct i40e_pf *pf, u32 num_vfs);
1042 void i40e_notify_client_of_vf_reset(struct i40e_pf *pf, u32 vf_id);
1043 int i40e_vf_client_capable(struct i40e_pf *pf, u32 vf_id);
1044 /**
1045  * i40e_irq_dynamic_enable - Enable default interrupt generation settings
1046  * @vsi: pointer to a vsi
1047  * @vector: enable a particular Hw Interrupt vector, without base_vector
1048  **/
1049 static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector)
1050 {
1051 	struct i40e_pf *pf = vsi->back;
1052 	struct i40e_hw *hw = &pf->hw;
1053 	u32 val;
1054 
1055 	val = I40E_PFINT_DYN_CTLN_INTENA_MASK |
1056 	      I40E_PFINT_DYN_CTLN_CLEARPBA_MASK |
1057 	      (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT);
1058 	wr32(hw, I40E_PFINT_DYN_CTLN(vector + vsi->base_vector - 1), val);
1059 	/* skip the flush */
1060 }
1061 
1062 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
1063 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf);
1064 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
1065 int i40e_open(struct net_device *netdev);
1066 int i40e_close(struct net_device *netdev);
1067 int i40e_vsi_open(struct i40e_vsi *vsi);
1068 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi);
1069 int i40e_add_vlan_all_mac(struct i40e_vsi *vsi, s16 vid);
1070 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, u16 vid);
1071 void i40e_rm_vlan_all_mac(struct i40e_vsi *vsi, s16 vid);
1072 void i40e_vsi_kill_vlan(struct i40e_vsi *vsi, u16 vid);
1073 struct i40e_mac_filter *i40e_add_mac_filter(struct i40e_vsi *vsi,
1074 					    const u8 *macaddr);
1075 int i40e_del_mac_filter(struct i40e_vsi *vsi, const u8 *macaddr);
1076 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi);
1077 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, const u8 *macaddr);
1078 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi);
1079 #ifdef CONFIG_I40E_DCB
1080 void i40e_dcbnl_flush_apps(struct i40e_pf *pf,
1081 			   struct i40e_dcbx_config *old_cfg,
1082 			   struct i40e_dcbx_config *new_cfg);
1083 void i40e_dcbnl_set_all(struct i40e_vsi *vsi);
1084 void i40e_dcbnl_setup(struct i40e_vsi *vsi);
1085 bool i40e_dcb_need_reconfig(struct i40e_pf *pf,
1086 			    struct i40e_dcbx_config *old_cfg,
1087 			    struct i40e_dcbx_config *new_cfg);
1088 #endif /* CONFIG_I40E_DCB */
1089 void i40e_ptp_rx_hang(struct i40e_pf *pf);
1090 void i40e_ptp_tx_hang(struct i40e_pf *pf);
1091 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf);
1092 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index);
1093 void i40e_ptp_set_increment(struct i40e_pf *pf);
1094 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
1095 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
1096 void i40e_ptp_init(struct i40e_pf *pf);
1097 void i40e_ptp_stop(struct i40e_pf *pf);
1098 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi);
1099 i40e_status i40e_get_partition_bw_setting(struct i40e_pf *pf);
1100 i40e_status i40e_set_partition_bw_setting(struct i40e_pf *pf);
1101 i40e_status i40e_commit_partition_bw_setting(struct i40e_pf *pf);
1102 void i40e_print_link_message(struct i40e_vsi *vsi, bool isup);
1103 
1104 static inline bool i40e_enabled_xdp_vsi(struct i40e_vsi *vsi)
1105 {
1106 	return !!vsi->xdp_prog;
1107 }
1108 
1109 int i40e_create_queue_channel(struct i40e_vsi *vsi, struct i40e_channel *ch);
1110 int i40e_set_bw_limit(struct i40e_vsi *vsi, u16 seid, u64 max_tx_rate);
1111 #endif /* _I40E_H_ */
1112