xref: /linux/drivers/net/ethernet/intel/iavf/iavf.h (revision baaa68a9796ef2cadfe5caaf4c730412eda0f31c)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 2013 - 2018 Intel Corporation. */
3 
4 #ifndef _IAVF_H_
5 #define _IAVF_H_
6 
7 #include <linux/module.h>
8 #include <linux/pci.h>
9 #include <linux/aer.h>
10 #include <linux/netdevice.h>
11 #include <linux/vmalloc.h>
12 #include <linux/interrupt.h>
13 #include <linux/ethtool.h>
14 #include <linux/if_vlan.h>
15 #include <linux/ip.h>
16 #include <linux/tcp.h>
17 #include <linux/sctp.h>
18 #include <linux/ipv6.h>
19 #include <linux/kernel.h>
20 #include <linux/bitops.h>
21 #include <linux/timer.h>
22 #include <linux/workqueue.h>
23 #include <linux/wait.h>
24 #include <linux/delay.h>
25 #include <linux/gfp.h>
26 #include <linux/skbuff.h>
27 #include <linux/dma-mapping.h>
28 #include <linux/etherdevice.h>
29 #include <linux/socket.h>
30 #include <linux/jiffies.h>
31 #include <net/ip6_checksum.h>
32 #include <net/pkt_cls.h>
33 #include <net/udp.h>
34 #include <net/tc_act/tc_gact.h>
35 #include <net/tc_act/tc_mirred.h>
36 
37 #include "iavf_type.h"
38 #include <linux/avf/virtchnl.h>
39 #include "iavf_txrx.h"
40 #include "iavf_fdir.h"
41 #include "iavf_adv_rss.h"
42 #include <linux/bitmap.h>
43 
44 #define DEFAULT_DEBUG_LEVEL_SHIFT 3
45 #define PFX "iavf: "
46 
47 /* VSI state flags shared with common code */
48 enum iavf_vsi_state_t {
49 	__IAVF_VSI_DOWN,
50 	/* This must be last as it determines the size of the BITMAP */
51 	__IAVF_VSI_STATE_SIZE__,
52 };
53 
54 /* dummy struct to make common code less painful */
55 struct iavf_vsi {
56 	struct iavf_adapter *back;
57 	struct net_device *netdev;
58 	unsigned long active_cvlans[BITS_TO_LONGS(VLAN_N_VID)];
59 	unsigned long active_svlans[BITS_TO_LONGS(VLAN_N_VID)];
60 	u16 seid;
61 	u16 id;
62 	DECLARE_BITMAP(state, __IAVF_VSI_STATE_SIZE__);
63 	int base_vector;
64 	u16 work_limit;
65 	u16 qs_handle;
66 	void *priv;     /* client driver data reference. */
67 };
68 
69 /* How many Rx Buffers do we bundle into one write to the hardware ? */
70 #define IAVF_RX_BUFFER_WRITE	16	/* Must be power of 2 */
71 #define IAVF_DEFAULT_TXD	512
72 #define IAVF_DEFAULT_RXD	512
73 #define IAVF_MAX_TXD		4096
74 #define IAVF_MIN_TXD		64
75 #define IAVF_MAX_RXD		4096
76 #define IAVF_MIN_RXD		64
77 #define IAVF_REQ_DESCRIPTOR_MULTIPLE	32
78 #define IAVF_MAX_AQ_BUF_SIZE	4096
79 #define IAVF_AQ_LEN		32
80 #define IAVF_AQ_MAX_ERR	20 /* times to try before resetting AQ */
81 
82 #define MAXIMUM_ETHERNET_VLAN_SIZE (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN)
83 
84 #define IAVF_RX_DESC(R, i) (&(((union iavf_32byte_rx_desc *)((R)->desc))[i]))
85 #define IAVF_TX_DESC(R, i) (&(((struct iavf_tx_desc *)((R)->desc))[i]))
86 #define IAVF_TX_CTXTDESC(R, i) \
87 	(&(((struct iavf_tx_context_desc *)((R)->desc))[i]))
88 #define IAVF_MAX_REQ_QUEUES 16
89 
90 #define IAVF_HKEY_ARRAY_SIZE ((IAVF_VFQF_HKEY_MAX_INDEX + 1) * 4)
91 #define IAVF_HLUT_ARRAY_SIZE ((IAVF_VFQF_HLUT_MAX_INDEX + 1) * 4)
92 #define IAVF_MBPS_DIVISOR	125000 /* divisor to convert to Mbps */
93 
94 #define IAVF_VIRTCHNL_VF_RESOURCE_SIZE (sizeof(struct virtchnl_vf_resource) + \
95 					(IAVF_MAX_VF_VSI * \
96 					 sizeof(struct virtchnl_vsi_resource)))
97 
98 /* MAX_MSIX_Q_VECTORS of these are allocated,
99  * but we only use one per queue-specific vector.
100  */
101 struct iavf_q_vector {
102 	struct iavf_adapter *adapter;
103 	struct iavf_vsi *vsi;
104 	struct napi_struct napi;
105 	struct iavf_ring_container rx;
106 	struct iavf_ring_container tx;
107 	u32 ring_mask;
108 	u8 itr_countdown;	/* when 0 should adjust adaptive ITR */
109 	u8 num_ringpairs;	/* total number of ring pairs in vector */
110 	u16 v_idx;		/* index in the vsi->q_vector array. */
111 	u16 reg_idx;		/* register index of the interrupt */
112 	char name[IFNAMSIZ + 15];
113 	bool arm_wb_state;
114 	cpumask_t affinity_mask;
115 	struct irq_affinity_notify affinity_notify;
116 };
117 
118 /* Helper macros to switch between ints/sec and what the register uses.
119  * And yes, it's the same math going both ways.  The lowest value
120  * supported by all of the iavf hardware is 8.
121  */
122 #define EITR_INTS_PER_SEC_TO_REG(_eitr) \
123 	((_eitr) ? (1000000000 / ((_eitr) * 256)) : 8)
124 #define EITR_REG_TO_INTS_PER_SEC EITR_INTS_PER_SEC_TO_REG
125 
126 #define IAVF_DESC_UNUSED(R) \
127 	((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
128 	(R)->next_to_clean - (R)->next_to_use - 1)
129 
130 #define OTHER_VECTOR 1
131 #define NONQ_VECS (OTHER_VECTOR)
132 
133 #define MIN_MSIX_Q_VECTORS 1
134 #define MIN_MSIX_COUNT (MIN_MSIX_Q_VECTORS + NONQ_VECS)
135 
136 #define IAVF_QUEUE_END_OF_LIST 0x7FF
137 #define IAVF_FREE_VECTOR 0x7FFF
138 struct iavf_mac_filter {
139 	struct list_head list;
140 	u8 macaddr[ETH_ALEN];
141 	struct {
142 		u8 is_new_mac:1;    /* filter is new, wait for PF decision */
143 		u8 remove:1;        /* filter needs to be removed */
144 		u8 add:1;           /* filter needs to be added */
145 		u8 is_primary:1;    /* filter is a default VF MAC */
146 		u8 padding:4;
147 	};
148 };
149 
150 #define IAVF_VLAN(vid, tpid) ((struct iavf_vlan){ vid, tpid })
151 struct iavf_vlan {
152 	u16 vid;
153 	u16 tpid;
154 };
155 
156 struct iavf_vlan_filter {
157 	struct list_head list;
158 	struct iavf_vlan vlan;
159 	bool remove;		/* filter needs to be removed */
160 	bool add;		/* filter needs to be added */
161 };
162 
163 #define IAVF_MAX_TRAFFIC_CLASS	4
164 /* State of traffic class creation */
165 enum iavf_tc_state_t {
166 	__IAVF_TC_INVALID, /* no traffic class, default state */
167 	__IAVF_TC_RUNNING, /* traffic classes have been created */
168 };
169 
170 /* channel info */
171 struct iavf_channel_config {
172 	struct virtchnl_channel_info ch_info[IAVF_MAX_TRAFFIC_CLASS];
173 	enum iavf_tc_state_t state;
174 	u8 total_qps;
175 };
176 
177 /* State of cloud filter */
178 enum iavf_cloud_filter_state_t {
179 	__IAVF_CF_INVALID,	 /* cloud filter not added */
180 	__IAVF_CF_ADD_PENDING, /* cloud filter pending add by the PF */
181 	__IAVF_CF_DEL_PENDING, /* cloud filter pending del by the PF */
182 	__IAVF_CF_ACTIVE,	 /* cloud filter is active */
183 };
184 
185 /* Driver state. The order of these is important! */
186 enum iavf_state_t {
187 	__IAVF_STARTUP,		/* driver loaded, probe complete */
188 	__IAVF_REMOVE,		/* driver is being unloaded */
189 	__IAVF_INIT_VERSION_CHECK,	/* aq msg sent, awaiting reply */
190 	__IAVF_INIT_GET_RESOURCES,	/* aq msg sent, awaiting reply */
191 	__IAVF_INIT_GET_OFFLOAD_VLAN_V2_CAPS,
192 	__IAVF_INIT_CONFIG_ADAPTER,
193 	__IAVF_INIT_SW,		/* got resources, setting up structs */
194 	__IAVF_INIT_FAILED,	/* init failed, restarting procedure */
195 	__IAVF_RESETTING,		/* in reset */
196 	__IAVF_COMM_FAILED,		/* communication with PF failed */
197 	/* Below here, watchdog is running */
198 	__IAVF_DOWN,			/* ready, can be opened */
199 	__IAVF_DOWN_PENDING,		/* descending, waiting for watchdog */
200 	__IAVF_TESTING,		/* in ethtool self-test */
201 	__IAVF_RUNNING,		/* opened, working */
202 };
203 
204 enum iavf_critical_section_t {
205 	__IAVF_IN_REMOVE_TASK,	/* device being removed */
206 };
207 
208 #define IAVF_CLOUD_FIELD_OMAC		0x01
209 #define IAVF_CLOUD_FIELD_IMAC		0x02
210 #define IAVF_CLOUD_FIELD_IVLAN	0x04
211 #define IAVF_CLOUD_FIELD_TEN_ID	0x08
212 #define IAVF_CLOUD_FIELD_IIP		0x10
213 
214 #define IAVF_CF_FLAGS_OMAC	IAVF_CLOUD_FIELD_OMAC
215 #define IAVF_CF_FLAGS_IMAC	IAVF_CLOUD_FIELD_IMAC
216 #define IAVF_CF_FLAGS_IMAC_IVLAN	(IAVF_CLOUD_FIELD_IMAC |\
217 					 IAVF_CLOUD_FIELD_IVLAN)
218 #define IAVF_CF_FLAGS_IMAC_TEN_ID	(IAVF_CLOUD_FIELD_IMAC |\
219 					 IAVF_CLOUD_FIELD_TEN_ID)
220 #define IAVF_CF_FLAGS_OMAC_TEN_ID_IMAC	(IAVF_CLOUD_FIELD_OMAC |\
221 						 IAVF_CLOUD_FIELD_IMAC |\
222 						 IAVF_CLOUD_FIELD_TEN_ID)
223 #define IAVF_CF_FLAGS_IMAC_IVLAN_TEN_ID	(IAVF_CLOUD_FIELD_IMAC |\
224 						 IAVF_CLOUD_FIELD_IVLAN |\
225 						 IAVF_CLOUD_FIELD_TEN_ID)
226 #define IAVF_CF_FLAGS_IIP	IAVF_CLOUD_FIELD_IIP
227 
228 /* bookkeeping of cloud filters */
229 struct iavf_cloud_filter {
230 	enum iavf_cloud_filter_state_t state;
231 	struct list_head list;
232 	struct virtchnl_filter f;
233 	unsigned long cookie;
234 	bool del;		/* filter needs to be deleted */
235 	bool add;		/* filter needs to be added */
236 };
237 
238 #define IAVF_RESET_WAIT_MS 10
239 #define IAVF_RESET_WAIT_DETECTED_COUNT 500
240 #define IAVF_RESET_WAIT_COMPLETE_COUNT 2000
241 
242 /* board specific private data structure */
243 struct iavf_adapter {
244 	struct work_struct reset_task;
245 	struct work_struct adminq_task;
246 	struct delayed_work client_task;
247 	wait_queue_head_t down_waitqueue;
248 	struct iavf_q_vector *q_vectors;
249 	struct list_head vlan_filter_list;
250 	struct list_head mac_filter_list;
251 	struct mutex crit_lock;
252 	struct mutex client_lock;
253 	/* Lock to protect accesses to MAC and VLAN lists */
254 	spinlock_t mac_vlan_list_lock;
255 	char misc_vector_name[IFNAMSIZ + 9];
256 	int num_active_queues;
257 	int num_req_queues;
258 
259 	/* TX */
260 	struct iavf_ring *tx_rings;
261 	u32 tx_timeout_count;
262 	u32 tx_desc_count;
263 
264 	/* RX */
265 	struct iavf_ring *rx_rings;
266 	u64 hw_csum_rx_error;
267 	u32 rx_desc_count;
268 	int num_msix_vectors;
269 	int num_iwarp_msix;
270 	int iwarp_base_vector;
271 	u32 client_pending;
272 	struct iavf_client_instance *cinst;
273 	struct msix_entry *msix_entries;
274 
275 	u32 flags;
276 #define IAVF_FLAG_RX_CSUM_ENABLED		BIT(0)
277 #define IAVF_FLAG_PF_COMMS_FAILED		BIT(3)
278 #define IAVF_FLAG_RESET_PENDING		BIT(4)
279 #define IAVF_FLAG_RESET_NEEDED		BIT(5)
280 #define IAVF_FLAG_WB_ON_ITR_CAPABLE		BIT(6)
281 #define IAVF_FLAG_SERVICE_CLIENT_REQUESTED	BIT(9)
282 #define IAVF_FLAG_CLIENT_NEEDS_OPEN		BIT(10)
283 #define IAVF_FLAG_CLIENT_NEEDS_CLOSE		BIT(11)
284 #define IAVF_FLAG_CLIENT_NEEDS_L2_PARAMS	BIT(12)
285 #define IAVF_FLAG_PROMISC_ON			BIT(13)
286 #define IAVF_FLAG_ALLMULTI_ON			BIT(14)
287 #define IAVF_FLAG_LEGACY_RX			BIT(15)
288 #define IAVF_FLAG_REINIT_ITR_NEEDED		BIT(16)
289 #define IAVF_FLAG_QUEUES_DISABLED		BIT(17)
290 #define IAVF_FLAG_SETUP_NETDEV_FEATURES		BIT(18)
291 #define IAVF_FLAG_REINIT_MSIX_NEEDED		BIT(20)
292 /* duplicates for common code */
293 #define IAVF_FLAG_DCB_ENABLED			0
294 	/* flags for admin queue service task */
295 	u64 aq_required;
296 #define IAVF_FLAG_AQ_ENABLE_QUEUES		BIT_ULL(0)
297 #define IAVF_FLAG_AQ_DISABLE_QUEUES		BIT_ULL(1)
298 #define IAVF_FLAG_AQ_ADD_MAC_FILTER		BIT_ULL(2)
299 #define IAVF_FLAG_AQ_ADD_VLAN_FILTER		BIT_ULL(3)
300 #define IAVF_FLAG_AQ_DEL_MAC_FILTER		BIT_ULL(4)
301 #define IAVF_FLAG_AQ_DEL_VLAN_FILTER		BIT_ULL(5)
302 #define IAVF_FLAG_AQ_CONFIGURE_QUEUES		BIT_ULL(6)
303 #define IAVF_FLAG_AQ_MAP_VECTORS		BIT_ULL(7)
304 #define IAVF_FLAG_AQ_HANDLE_RESET		BIT_ULL(8)
305 #define IAVF_FLAG_AQ_CONFIGURE_RSS		BIT_ULL(9) /* direct AQ config */
306 #define IAVF_FLAG_AQ_GET_CONFIG			BIT_ULL(10)
307 /* Newer style, RSS done by the PF so we can ignore hardware vagaries. */
308 #define IAVF_FLAG_AQ_GET_HENA			BIT_ULL(11)
309 #define IAVF_FLAG_AQ_SET_HENA			BIT_ULL(12)
310 #define IAVF_FLAG_AQ_SET_RSS_KEY		BIT_ULL(13)
311 #define IAVF_FLAG_AQ_SET_RSS_LUT		BIT_ULL(14)
312 #define IAVF_FLAG_AQ_REQUEST_PROMISC		BIT_ULL(15)
313 #define IAVF_FLAG_AQ_RELEASE_PROMISC		BIT_ULL(16)
314 #define IAVF_FLAG_AQ_REQUEST_ALLMULTI		BIT_ULL(17)
315 #define IAVF_FLAG_AQ_RELEASE_ALLMULTI		BIT_ULL(18)
316 #define IAVF_FLAG_AQ_ENABLE_VLAN_STRIPPING	BIT_ULL(19)
317 #define IAVF_FLAG_AQ_DISABLE_VLAN_STRIPPING	BIT_ULL(20)
318 #define IAVF_FLAG_AQ_ENABLE_CHANNELS		BIT_ULL(21)
319 #define IAVF_FLAG_AQ_DISABLE_CHANNELS		BIT_ULL(22)
320 #define IAVF_FLAG_AQ_ADD_CLOUD_FILTER		BIT_ULL(23)
321 #define IAVF_FLAG_AQ_DEL_CLOUD_FILTER		BIT_ULL(24)
322 #define IAVF_FLAG_AQ_ADD_FDIR_FILTER		BIT_ULL(25)
323 #define IAVF_FLAG_AQ_DEL_FDIR_FILTER		BIT_ULL(26)
324 #define IAVF_FLAG_AQ_ADD_ADV_RSS_CFG		BIT_ULL(27)
325 #define IAVF_FLAG_AQ_DEL_ADV_RSS_CFG		BIT_ULL(28)
326 #define IAVF_FLAG_AQ_REQUEST_STATS		BIT_ULL(29)
327 #define IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS	BIT_ULL(30)
328 #define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_STRIPPING		BIT_ULL(31)
329 #define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_STRIPPING	BIT_ULL(32)
330 #define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_STRIPPING		BIT_ULL(33)
331 #define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_STRIPPING	BIT_ULL(34)
332 #define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_INSERTION		BIT_ULL(35)
333 #define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_INSERTION	BIT_ULL(36)
334 #define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_INSERTION		BIT_ULL(37)
335 #define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_INSERTION	BIT_ULL(38)
336 
337 	/* OS defined structs */
338 	struct net_device *netdev;
339 	struct pci_dev *pdev;
340 
341 	struct iavf_hw hw; /* defined in iavf_type.h */
342 
343 	enum iavf_state_t state;
344 	enum iavf_state_t last_state;
345 	unsigned long crit_section;
346 
347 	struct delayed_work watchdog_task;
348 	bool netdev_registered;
349 	bool link_up;
350 	enum virtchnl_link_speed link_speed;
351 	/* This is only populated if the VIRTCHNL_VF_CAP_ADV_LINK_SPEED is set
352 	 * in vf_res->vf_cap_flags. Use ADV_LINK_SUPPORT macro to determine if
353 	 * this field is valid. This field should be used going forward and the
354 	 * enum virtchnl_link_speed above should be considered the legacy way of
355 	 * storing/communicating link speeds.
356 	 */
357 	u32 link_speed_mbps;
358 
359 	enum virtchnl_ops current_op;
360 #define CLIENT_ALLOWED(_a) ((_a)->vf_res ? \
361 			    (_a)->vf_res->vf_cap_flags & \
362 				VIRTCHNL_VF_OFFLOAD_IWARP : \
363 			    0)
364 #define CLIENT_ENABLED(_a) ((_a)->cinst)
365 /* RSS by the PF should be preferred over RSS via other methods. */
366 #define RSS_PF(_a) ((_a)->vf_res->vf_cap_flags & \
367 		    VIRTCHNL_VF_OFFLOAD_RSS_PF)
368 #define RSS_AQ(_a) ((_a)->vf_res->vf_cap_flags & \
369 		    VIRTCHNL_VF_OFFLOAD_RSS_AQ)
370 #define RSS_REG(_a) (!((_a)->vf_res->vf_cap_flags & \
371 		       (VIRTCHNL_VF_OFFLOAD_RSS_AQ | \
372 			VIRTCHNL_VF_OFFLOAD_RSS_PF)))
373 #define VLAN_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
374 			  VIRTCHNL_VF_OFFLOAD_VLAN)
375 #define VLAN_V2_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
376 			     VIRTCHNL_VF_OFFLOAD_VLAN_V2)
377 #define VLAN_V2_FILTERING_ALLOWED(_a) \
378 	(VLAN_V2_ALLOWED((_a)) && \
379 	 ((_a)->vlan_v2_caps.filtering.filtering_support.outer || \
380 	  (_a)->vlan_v2_caps.filtering.filtering_support.inner))
381 #define VLAN_FILTERING_ALLOWED(_a) \
382 	(VLAN_ALLOWED((_a)) || VLAN_V2_FILTERING_ALLOWED((_a)))
383 #define ADV_LINK_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
384 			      VIRTCHNL_VF_CAP_ADV_LINK_SPEED)
385 #define FDIR_FLTR_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
386 			       VIRTCHNL_VF_OFFLOAD_FDIR_PF)
387 #define ADV_RSS_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
388 			     VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF)
389 	struct virtchnl_vf_resource *vf_res; /* incl. all VSIs */
390 	struct virtchnl_vsi_resource *vsi_res; /* our LAN VSI */
391 	struct virtchnl_version_info pf_version;
392 #define PF_IS_V11(_a) (((_a)->pf_version.major == 1) && \
393 		       ((_a)->pf_version.minor == 1))
394 	struct virtchnl_vlan_caps vlan_v2_caps;
395 	u16 msg_enable;
396 	struct iavf_eth_stats current_stats;
397 	struct iavf_vsi vsi;
398 	u32 aq_wait_count;
399 	/* RSS stuff */
400 	u64 hena;
401 	u16 rss_key_size;
402 	u16 rss_lut_size;
403 	u8 *rss_key;
404 	u8 *rss_lut;
405 	/* ADQ related members */
406 	struct iavf_channel_config ch_config;
407 	u8 num_tc;
408 	struct list_head cloud_filter_list;
409 	/* lock to protect access to the cloud filter list */
410 	spinlock_t cloud_filter_list_lock;
411 	u16 num_cloud_filters;
412 
413 #define IAVF_MAX_FDIR_FILTERS 128	/* max allowed Flow Director filters */
414 	u16 fdir_active_fltr;
415 	struct list_head fdir_list_head;
416 	spinlock_t fdir_fltr_lock;	/* protect the Flow Director filter list */
417 
418 	struct list_head adv_rss_list_head;
419 	spinlock_t adv_rss_lock;	/* protect the RSS management list */
420 };
421 
422 
423 /* Ethtool Private Flags */
424 
425 /* lan device, used by client interface */
426 struct iavf_device {
427 	struct list_head list;
428 	struct iavf_adapter *vf;
429 };
430 
431 /* needed by iavf_ethtool.c */
432 extern char iavf_driver_name[];
433 extern struct workqueue_struct *iavf_wq;
434 
435 static inline const char *iavf_state_str(enum iavf_state_t state)
436 {
437 	switch (state) {
438 	case __IAVF_STARTUP:
439 		return "__IAVF_STARTUP";
440 	case __IAVF_REMOVE:
441 		return "__IAVF_REMOVE";
442 	case __IAVF_INIT_VERSION_CHECK:
443 		return "__IAVF_INIT_VERSION_CHECK";
444 	case __IAVF_INIT_GET_RESOURCES:
445 		return "__IAVF_INIT_GET_RESOURCES";
446 	case __IAVF_INIT_SW:
447 		return "__IAVF_INIT_SW";
448 	case __IAVF_INIT_FAILED:
449 		return "__IAVF_INIT_FAILED";
450 	case __IAVF_RESETTING:
451 		return "__IAVF_RESETTING";
452 	case __IAVF_COMM_FAILED:
453 		return "__IAVF_COMM_FAILED";
454 	case __IAVF_DOWN:
455 		return "__IAVF_DOWN";
456 	case __IAVF_DOWN_PENDING:
457 		return "__IAVF_DOWN_PENDING";
458 	case __IAVF_TESTING:
459 		return "__IAVF_TESTING";
460 	case __IAVF_RUNNING:
461 		return "__IAVF_RUNNING";
462 	default:
463 		return "__IAVF_UNKNOWN_STATE";
464 	}
465 }
466 
467 static inline void iavf_change_state(struct iavf_adapter *adapter,
468 				     enum iavf_state_t state)
469 {
470 	if (adapter->state != state) {
471 		adapter->last_state = adapter->state;
472 		adapter->state = state;
473 	}
474 	dev_dbg(&adapter->pdev->dev,
475 		"state transition from:%s to:%s\n",
476 		iavf_state_str(adapter->last_state),
477 		iavf_state_str(adapter->state));
478 }
479 
480 int iavf_up(struct iavf_adapter *adapter);
481 void iavf_down(struct iavf_adapter *adapter);
482 int iavf_process_config(struct iavf_adapter *adapter);
483 int iavf_parse_vf_resource_msg(struct iavf_adapter *adapter);
484 void iavf_schedule_reset(struct iavf_adapter *adapter);
485 void iavf_schedule_request_stats(struct iavf_adapter *adapter);
486 void iavf_reset(struct iavf_adapter *adapter);
487 void iavf_set_ethtool_ops(struct net_device *netdev);
488 void iavf_update_stats(struct iavf_adapter *adapter);
489 void iavf_reset_interrupt_capability(struct iavf_adapter *adapter);
490 int iavf_init_interrupt_scheme(struct iavf_adapter *adapter);
491 void iavf_irq_enable_queues(struct iavf_adapter *adapter, u32 mask);
492 void iavf_free_all_tx_resources(struct iavf_adapter *adapter);
493 void iavf_free_all_rx_resources(struct iavf_adapter *adapter);
494 
495 void iavf_napi_add_all(struct iavf_adapter *adapter);
496 void iavf_napi_del_all(struct iavf_adapter *adapter);
497 
498 int iavf_send_api_ver(struct iavf_adapter *adapter);
499 int iavf_verify_api_ver(struct iavf_adapter *adapter);
500 int iavf_send_vf_config_msg(struct iavf_adapter *adapter);
501 int iavf_get_vf_config(struct iavf_adapter *adapter);
502 int iavf_get_vf_vlan_v2_caps(struct iavf_adapter *adapter);
503 int iavf_send_vf_offload_vlan_v2_msg(struct iavf_adapter *adapter);
504 void iavf_set_queue_vlan_tag_loc(struct iavf_adapter *adapter);
505 void iavf_irq_enable(struct iavf_adapter *adapter, bool flush);
506 void iavf_configure_queues(struct iavf_adapter *adapter);
507 void iavf_deconfigure_queues(struct iavf_adapter *adapter);
508 void iavf_enable_queues(struct iavf_adapter *adapter);
509 void iavf_disable_queues(struct iavf_adapter *adapter);
510 void iavf_map_queues(struct iavf_adapter *adapter);
511 int iavf_request_queues(struct iavf_adapter *adapter, int num);
512 void iavf_add_ether_addrs(struct iavf_adapter *adapter);
513 void iavf_del_ether_addrs(struct iavf_adapter *adapter);
514 void iavf_add_vlans(struct iavf_adapter *adapter);
515 void iavf_del_vlans(struct iavf_adapter *adapter);
516 void iavf_set_promiscuous(struct iavf_adapter *adapter, int flags);
517 void iavf_request_stats(struct iavf_adapter *adapter);
518 void iavf_request_reset(struct iavf_adapter *adapter);
519 void iavf_get_hena(struct iavf_adapter *adapter);
520 void iavf_set_hena(struct iavf_adapter *adapter);
521 void iavf_set_rss_key(struct iavf_adapter *adapter);
522 void iavf_set_rss_lut(struct iavf_adapter *adapter);
523 void iavf_enable_vlan_stripping(struct iavf_adapter *adapter);
524 void iavf_disable_vlan_stripping(struct iavf_adapter *adapter);
525 void iavf_virtchnl_completion(struct iavf_adapter *adapter,
526 			      enum virtchnl_ops v_opcode,
527 			      enum iavf_status v_retval, u8 *msg, u16 msglen);
528 int iavf_config_rss(struct iavf_adapter *adapter);
529 int iavf_lan_add_device(struct iavf_adapter *adapter);
530 int iavf_lan_del_device(struct iavf_adapter *adapter);
531 void iavf_client_subtask(struct iavf_adapter *adapter);
532 void iavf_notify_client_message(struct iavf_vsi *vsi, u8 *msg, u16 len);
533 void iavf_notify_client_l2_params(struct iavf_vsi *vsi);
534 void iavf_notify_client_open(struct iavf_vsi *vsi);
535 void iavf_notify_client_close(struct iavf_vsi *vsi, bool reset);
536 void iavf_enable_channels(struct iavf_adapter *adapter);
537 void iavf_disable_channels(struct iavf_adapter *adapter);
538 void iavf_add_cloud_filter(struct iavf_adapter *adapter);
539 void iavf_del_cloud_filter(struct iavf_adapter *adapter);
540 void iavf_enable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid);
541 void iavf_disable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid);
542 void iavf_enable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid);
543 void iavf_disable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid);
544 void
545 iavf_set_vlan_offload_features(struct iavf_adapter *adapter,
546 			       netdev_features_t prev_features,
547 			       netdev_features_t features);
548 void iavf_add_fdir_filter(struct iavf_adapter *adapter);
549 void iavf_del_fdir_filter(struct iavf_adapter *adapter);
550 void iavf_add_adv_rss_cfg(struct iavf_adapter *adapter);
551 void iavf_del_adv_rss_cfg(struct iavf_adapter *adapter);
552 struct iavf_mac_filter *iavf_add_filter(struct iavf_adapter *adapter,
553 					const u8 *macaddr);
554 int iavf_lock_timeout(struct mutex *lock, unsigned int msecs);
555 #endif /* _IAVF_H_ */
556