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 int iavf_status_to_errno(enum iavf_status status);
48 int virtchnl_status_to_errno(enum virtchnl_status_code v_status);
49
50 /* VSI state flags shared with common code */
51 enum iavf_vsi_state_t {
52 __IAVF_VSI_DOWN,
53 /* This must be last as it determines the size of the BITMAP */
54 __IAVF_VSI_STATE_SIZE__,
55 };
56
57 /* dummy struct to make common code less painful */
58 struct iavf_vsi {
59 struct iavf_adapter *back;
60 struct net_device *netdev;
61 unsigned long active_cvlans[BITS_TO_LONGS(VLAN_N_VID)];
62 unsigned long active_svlans[BITS_TO_LONGS(VLAN_N_VID)];
63 u16 seid;
64 u16 id;
65 DECLARE_BITMAP(state, __IAVF_VSI_STATE_SIZE__);
66 int base_vector;
67 u16 qs_handle;
68 void *priv; /* client driver data reference. */
69 };
70
71 /* How many Rx Buffers do we bundle into one write to the hardware ? */
72 #define IAVF_RX_BUFFER_WRITE 16 /* Must be power of 2 */
73 #define IAVF_DEFAULT_TXD 512
74 #define IAVF_DEFAULT_RXD 512
75 #define IAVF_MAX_TXD 4096
76 #define IAVF_MIN_TXD 64
77 #define IAVF_MAX_RXD 4096
78 #define IAVF_MIN_RXD 64
79 #define IAVF_REQ_DESCRIPTOR_MULTIPLE 32
80 #define IAVF_MAX_AQ_BUF_SIZE 4096
81 #define IAVF_AQ_LEN 32
82 #define IAVF_AQ_MAX_ERR 20 /* times to try before resetting AQ */
83
84 #define MAXIMUM_ETHERNET_VLAN_SIZE (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN)
85
86 #define IAVF_RX_DESC(R, i) (&(((union iavf_32byte_rx_desc *)((R)->desc))[i]))
87 #define IAVF_TX_DESC(R, i) (&(((struct iavf_tx_desc *)((R)->desc))[i]))
88 #define IAVF_TX_CTXTDESC(R, i) \
89 (&(((struct iavf_tx_context_desc *)((R)->desc))[i]))
90 #define IAVF_MAX_REQ_QUEUES 16
91
92 #define IAVF_HKEY_ARRAY_SIZE ((IAVF_VFQF_HKEY_MAX_INDEX + 1) * 4)
93 #define IAVF_HLUT_ARRAY_SIZE ((IAVF_VFQF_HLUT_MAX_INDEX + 1) * 4)
94 #define IAVF_MBPS_DIVISOR 125000 /* divisor to convert to Mbps */
95 #define IAVF_MBPS_QUANTA 50
96
97 #define IAVF_VIRTCHNL_VF_RESOURCE_SIZE (sizeof(struct virtchnl_vf_resource) + \
98 (IAVF_MAX_VF_VSI * \
99 sizeof(struct virtchnl_vsi_resource)))
100
101 /* MAX_MSIX_Q_VECTORS of these are allocated,
102 * but we only use one per queue-specific vector.
103 */
104 struct iavf_q_vector {
105 struct iavf_adapter *adapter;
106 struct iavf_vsi *vsi;
107 struct napi_struct napi;
108 struct iavf_ring_container rx;
109 struct iavf_ring_container tx;
110 u32 ring_mask;
111 u8 itr_countdown; /* when 0 should adjust adaptive ITR */
112 u8 num_ringpairs; /* total number of ring pairs in vector */
113 u16 v_idx; /* index in the vsi->q_vector array. */
114 u16 reg_idx; /* register index of the interrupt */
115 char name[IFNAMSIZ + 15];
116 bool arm_wb_state;
117 cpumask_t affinity_mask;
118 struct irq_affinity_notify affinity_notify;
119 };
120
121 /* Helper macros to switch between ints/sec and what the register uses.
122 * And yes, it's the same math going both ways. The lowest value
123 * supported by all of the iavf hardware is 8.
124 */
125 #define EITR_INTS_PER_SEC_TO_REG(_eitr) \
126 ((_eitr) ? (1000000000 / ((_eitr) * 256)) : 8)
127 #define EITR_REG_TO_INTS_PER_SEC EITR_INTS_PER_SEC_TO_REG
128
129 #define IAVF_DESC_UNUSED(R) \
130 ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
131 (R)->next_to_clean - (R)->next_to_use - 1)
132
133 #define OTHER_VECTOR 1
134 #define NONQ_VECS (OTHER_VECTOR)
135
136 #define MIN_MSIX_Q_VECTORS 1
137 #define MIN_MSIX_COUNT (MIN_MSIX_Q_VECTORS + NONQ_VECS)
138
139 #define IAVF_QUEUE_END_OF_LIST 0x7FF
140 #define IAVF_FREE_VECTOR 0x7FFF
141 struct iavf_mac_filter {
142 struct list_head list;
143 u8 macaddr[ETH_ALEN];
144 struct {
145 u8 is_new_mac:1; /* filter is new, wait for PF decision */
146 u8 remove:1; /* filter needs to be removed */
147 u8 add:1; /* filter needs to be added */
148 u8 is_primary:1; /* filter is a default VF MAC */
149 u8 padding:4;
150 };
151 };
152
153 #define IAVF_VLAN(vid, tpid) ((struct iavf_vlan){ vid, tpid })
154 struct iavf_vlan {
155 u16 vid;
156 u16 tpid;
157 };
158
159 struct iavf_vlan_filter {
160 struct list_head list;
161 struct iavf_vlan vlan;
162 struct {
163 u8 is_new_vlan:1; /* filter is new, wait for PF answer */
164 u8 remove:1; /* filter needs to be removed */
165 u8 add:1; /* filter needs to be added */
166 u8 padding:5;
167 };
168 };
169
170 #define IAVF_MAX_TRAFFIC_CLASS 4
171 /* State of traffic class creation */
172 enum iavf_tc_state_t {
173 __IAVF_TC_INVALID, /* no traffic class, default state */
174 __IAVF_TC_RUNNING, /* traffic classes have been created */
175 };
176
177 /* channel info */
178 struct iavf_channel_config {
179 struct virtchnl_channel_info ch_info[IAVF_MAX_TRAFFIC_CLASS];
180 enum iavf_tc_state_t state;
181 u8 total_qps;
182 };
183
184 /* State of cloud filter */
185 enum iavf_cloud_filter_state_t {
186 __IAVF_CF_INVALID, /* cloud filter not added */
187 __IAVF_CF_ADD_PENDING, /* cloud filter pending add by the PF */
188 __IAVF_CF_DEL_PENDING, /* cloud filter pending del by the PF */
189 __IAVF_CF_ACTIVE, /* cloud filter is active */
190 };
191
192 /* Driver state. The order of these is important! */
193 enum iavf_state_t {
194 __IAVF_STARTUP, /* driver loaded, probe complete */
195 __IAVF_REMOVE, /* driver is being unloaded */
196 __IAVF_INIT_VERSION_CHECK, /* aq msg sent, awaiting reply */
197 __IAVF_INIT_GET_RESOURCES, /* aq msg sent, awaiting reply */
198 __IAVF_INIT_EXTENDED_CAPS, /* process extended caps which require aq msg exchange */
199 __IAVF_INIT_CONFIG_ADAPTER,
200 __IAVF_INIT_SW, /* got resources, setting up structs */
201 __IAVF_INIT_FAILED, /* init failed, restarting procedure */
202 __IAVF_RESETTING, /* in reset */
203 __IAVF_COMM_FAILED, /* communication with PF failed */
204 /* Below here, watchdog is running */
205 __IAVF_DOWN, /* ready, can be opened */
206 __IAVF_DOWN_PENDING, /* descending, waiting for watchdog */
207 __IAVF_TESTING, /* in ethtool self-test */
208 __IAVF_RUNNING, /* opened, working */
209 };
210
211 enum iavf_critical_section_t {
212 __IAVF_IN_REMOVE_TASK, /* device being removed */
213 };
214
215 #define IAVF_CLOUD_FIELD_OMAC 0x01
216 #define IAVF_CLOUD_FIELD_IMAC 0x02
217 #define IAVF_CLOUD_FIELD_IVLAN 0x04
218 #define IAVF_CLOUD_FIELD_TEN_ID 0x08
219 #define IAVF_CLOUD_FIELD_IIP 0x10
220
221 #define IAVF_CF_FLAGS_OMAC IAVF_CLOUD_FIELD_OMAC
222 #define IAVF_CF_FLAGS_IMAC IAVF_CLOUD_FIELD_IMAC
223 #define IAVF_CF_FLAGS_IMAC_IVLAN (IAVF_CLOUD_FIELD_IMAC |\
224 IAVF_CLOUD_FIELD_IVLAN)
225 #define IAVF_CF_FLAGS_IMAC_TEN_ID (IAVF_CLOUD_FIELD_IMAC |\
226 IAVF_CLOUD_FIELD_TEN_ID)
227 #define IAVF_CF_FLAGS_OMAC_TEN_ID_IMAC (IAVF_CLOUD_FIELD_OMAC |\
228 IAVF_CLOUD_FIELD_IMAC |\
229 IAVF_CLOUD_FIELD_TEN_ID)
230 #define IAVF_CF_FLAGS_IMAC_IVLAN_TEN_ID (IAVF_CLOUD_FIELD_IMAC |\
231 IAVF_CLOUD_FIELD_IVLAN |\
232 IAVF_CLOUD_FIELD_TEN_ID)
233 #define IAVF_CF_FLAGS_IIP IAVF_CLOUD_FIELD_IIP
234
235 /* bookkeeping of cloud filters */
236 struct iavf_cloud_filter {
237 enum iavf_cloud_filter_state_t state;
238 struct list_head list;
239 struct virtchnl_filter f;
240 unsigned long cookie;
241 bool del; /* filter needs to be deleted */
242 bool add; /* filter needs to be added */
243 };
244
245 #define IAVF_RESET_WAIT_MS 10
246 #define IAVF_RESET_WAIT_DETECTED_COUNT 500
247 #define IAVF_RESET_WAIT_COMPLETE_COUNT 2000
248
249 /* board specific private data structure */
250 struct iavf_adapter {
251 struct work_struct reset_task;
252 struct work_struct adminq_task;
253 struct delayed_work client_task;
254 wait_queue_head_t down_waitqueue;
255 struct iavf_q_vector *q_vectors;
256 struct list_head vlan_filter_list;
257 struct list_head mac_filter_list;
258 struct mutex crit_lock;
259 struct mutex client_lock;
260 /* Lock to protect accesses to MAC and VLAN lists */
261 spinlock_t mac_vlan_list_lock;
262 char misc_vector_name[IFNAMSIZ + 9];
263 int num_active_queues;
264 int num_req_queues;
265
266 /* TX */
267 struct iavf_ring *tx_rings;
268 u32 tx_timeout_count;
269 u32 tx_desc_count;
270
271 /* RX */
272 struct iavf_ring *rx_rings;
273 u64 hw_csum_rx_error;
274 u32 rx_desc_count;
275 int num_msix_vectors;
276 int num_iwarp_msix;
277 int iwarp_base_vector;
278 u32 client_pending;
279 struct iavf_client_instance *cinst;
280 struct msix_entry *msix_entries;
281
282 u32 flags;
283 #define IAVF_FLAG_RX_CSUM_ENABLED BIT(0)
284 #define IAVF_FLAG_PF_COMMS_FAILED BIT(3)
285 #define IAVF_FLAG_RESET_PENDING BIT(4)
286 #define IAVF_FLAG_RESET_NEEDED BIT(5)
287 #define IAVF_FLAG_WB_ON_ITR_CAPABLE BIT(6)
288 #define IAVF_FLAG_SERVICE_CLIENT_REQUESTED BIT(9)
289 #define IAVF_FLAG_CLIENT_NEEDS_OPEN BIT(10)
290 #define IAVF_FLAG_CLIENT_NEEDS_CLOSE BIT(11)
291 #define IAVF_FLAG_CLIENT_NEEDS_L2_PARAMS BIT(12)
292 #define IAVF_FLAG_PROMISC_ON BIT(13)
293 #define IAVF_FLAG_ALLMULTI_ON BIT(14)
294 #define IAVF_FLAG_LEGACY_RX BIT(15)
295 #define IAVF_FLAG_REINIT_ITR_NEEDED BIT(16)
296 #define IAVF_FLAG_QUEUES_DISABLED BIT(17)
297 #define IAVF_FLAG_SETUP_NETDEV_FEATURES BIT(18)
298 #define IAVF_FLAG_REINIT_MSIX_NEEDED BIT(20)
299 /* duplicates for common code */
300 #define IAVF_FLAG_DCB_ENABLED 0
301 /* flags for admin queue service task */
302 u64 aq_required;
303 #define IAVF_FLAG_AQ_ENABLE_QUEUES BIT_ULL(0)
304 #define IAVF_FLAG_AQ_DISABLE_QUEUES BIT_ULL(1)
305 #define IAVF_FLAG_AQ_ADD_MAC_FILTER BIT_ULL(2)
306 #define IAVF_FLAG_AQ_ADD_VLAN_FILTER BIT_ULL(3)
307 #define IAVF_FLAG_AQ_DEL_MAC_FILTER BIT_ULL(4)
308 #define IAVF_FLAG_AQ_DEL_VLAN_FILTER BIT_ULL(5)
309 #define IAVF_FLAG_AQ_CONFIGURE_QUEUES BIT_ULL(6)
310 #define IAVF_FLAG_AQ_MAP_VECTORS BIT_ULL(7)
311 #define IAVF_FLAG_AQ_HANDLE_RESET BIT_ULL(8)
312 #define IAVF_FLAG_AQ_CONFIGURE_RSS BIT_ULL(9) /* direct AQ config */
313 #define IAVF_FLAG_AQ_GET_CONFIG BIT_ULL(10)
314 /* Newer style, RSS done by the PF so we can ignore hardware vagaries. */
315 #define IAVF_FLAG_AQ_GET_HENA BIT_ULL(11)
316 #define IAVF_FLAG_AQ_SET_HENA BIT_ULL(12)
317 #define IAVF_FLAG_AQ_SET_RSS_KEY BIT_ULL(13)
318 #define IAVF_FLAG_AQ_SET_RSS_LUT BIT_ULL(14)
319 #define IAVF_FLAG_AQ_REQUEST_PROMISC BIT_ULL(15)
320 #define IAVF_FLAG_AQ_RELEASE_PROMISC BIT_ULL(16)
321 #define IAVF_FLAG_AQ_REQUEST_ALLMULTI BIT_ULL(17)
322 #define IAVF_FLAG_AQ_RELEASE_ALLMULTI BIT_ULL(18)
323 #define IAVF_FLAG_AQ_ENABLE_VLAN_STRIPPING BIT_ULL(19)
324 #define IAVF_FLAG_AQ_DISABLE_VLAN_STRIPPING BIT_ULL(20)
325 #define IAVF_FLAG_AQ_ENABLE_CHANNELS BIT_ULL(21)
326 #define IAVF_FLAG_AQ_DISABLE_CHANNELS BIT_ULL(22)
327 #define IAVF_FLAG_AQ_ADD_CLOUD_FILTER BIT_ULL(23)
328 #define IAVF_FLAG_AQ_DEL_CLOUD_FILTER BIT_ULL(24)
329 #define IAVF_FLAG_AQ_ADD_FDIR_FILTER BIT_ULL(25)
330 #define IAVF_FLAG_AQ_DEL_FDIR_FILTER BIT_ULL(26)
331 #define IAVF_FLAG_AQ_ADD_ADV_RSS_CFG BIT_ULL(27)
332 #define IAVF_FLAG_AQ_DEL_ADV_RSS_CFG BIT_ULL(28)
333 #define IAVF_FLAG_AQ_REQUEST_STATS BIT_ULL(29)
334 #define IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS BIT_ULL(30)
335 #define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_STRIPPING BIT_ULL(31)
336 #define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_STRIPPING BIT_ULL(32)
337 #define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_STRIPPING BIT_ULL(33)
338 #define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_STRIPPING BIT_ULL(34)
339 #define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_INSERTION BIT_ULL(35)
340 #define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_INSERTION BIT_ULL(36)
341 #define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_INSERTION BIT_ULL(37)
342 #define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_INSERTION BIT_ULL(38)
343
344 /* flags for processing extended capability messages during
345 * __IAVF_INIT_EXTENDED_CAPS. Each capability exchange requires
346 * both a SEND and a RECV step, which must be processed in sequence.
347 *
348 * During the __IAVF_INIT_EXTENDED_CAPS state, the driver will
349 * process one flag at a time during each state loop.
350 */
351 u64 extended_caps;
352 #define IAVF_EXTENDED_CAP_SEND_VLAN_V2 BIT_ULL(0)
353 #define IAVF_EXTENDED_CAP_RECV_VLAN_V2 BIT_ULL(1)
354
355 #define IAVF_EXTENDED_CAPS \
356 (IAVF_EXTENDED_CAP_SEND_VLAN_V2 | \
357 IAVF_EXTENDED_CAP_RECV_VLAN_V2)
358
359 /* OS defined structs */
360 struct net_device *netdev;
361 struct pci_dev *pdev;
362
363 struct iavf_hw hw; /* defined in iavf_type.h */
364
365 enum iavf_state_t state;
366 enum iavf_state_t last_state;
367 unsigned long crit_section;
368
369 struct delayed_work watchdog_task;
370 bool netdev_registered;
371 bool link_up;
372 enum virtchnl_link_speed link_speed;
373 /* This is only populated if the VIRTCHNL_VF_CAP_ADV_LINK_SPEED is set
374 * in vf_res->vf_cap_flags. Use ADV_LINK_SUPPORT macro to determine if
375 * this field is valid. This field should be used going forward and the
376 * enum virtchnl_link_speed above should be considered the legacy way of
377 * storing/communicating link speeds.
378 */
379 u32 link_speed_mbps;
380
381 enum virtchnl_ops current_op;
382 #define CLIENT_ALLOWED(_a) ((_a)->vf_res ? \
383 (_a)->vf_res->vf_cap_flags & \
384 VIRTCHNL_VF_OFFLOAD_IWARP : \
385 0)
386 #define CLIENT_ENABLED(_a) ((_a)->cinst)
387 /* RSS by the PF should be preferred over RSS via other methods. */
388 #define RSS_PF(_a) ((_a)->vf_res->vf_cap_flags & \
389 VIRTCHNL_VF_OFFLOAD_RSS_PF)
390 #define RSS_AQ(_a) ((_a)->vf_res->vf_cap_flags & \
391 VIRTCHNL_VF_OFFLOAD_RSS_AQ)
392 #define RSS_REG(_a) (!((_a)->vf_res->vf_cap_flags & \
393 (VIRTCHNL_VF_OFFLOAD_RSS_AQ | \
394 VIRTCHNL_VF_OFFLOAD_RSS_PF)))
395 #define VLAN_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
396 VIRTCHNL_VF_OFFLOAD_VLAN)
397 #define VLAN_V2_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
398 VIRTCHNL_VF_OFFLOAD_VLAN_V2)
399 #define VLAN_V2_FILTERING_ALLOWED(_a) \
400 (VLAN_V2_ALLOWED((_a)) && \
401 ((_a)->vlan_v2_caps.filtering.filtering_support.outer || \
402 (_a)->vlan_v2_caps.filtering.filtering_support.inner))
403 #define VLAN_FILTERING_ALLOWED(_a) \
404 (VLAN_ALLOWED((_a)) || VLAN_V2_FILTERING_ALLOWED((_a)))
405 #define ADV_LINK_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
406 VIRTCHNL_VF_CAP_ADV_LINK_SPEED)
407 #define FDIR_FLTR_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
408 VIRTCHNL_VF_OFFLOAD_FDIR_PF)
409 #define ADV_RSS_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
410 VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF)
411 struct virtchnl_vf_resource *vf_res; /* incl. all VSIs */
412 struct virtchnl_vsi_resource *vsi_res; /* our LAN VSI */
413 struct virtchnl_version_info pf_version;
414 #define PF_IS_V11(_a) (((_a)->pf_version.major == 1) && \
415 ((_a)->pf_version.minor == 1))
416 struct virtchnl_vlan_caps vlan_v2_caps;
417 u16 msg_enable;
418 struct iavf_eth_stats current_stats;
419 struct iavf_vsi vsi;
420 u32 aq_wait_count;
421 /* RSS stuff */
422 u64 hena;
423 u16 rss_key_size;
424 u16 rss_lut_size;
425 u8 *rss_key;
426 u8 *rss_lut;
427 /* ADQ related members */
428 struct iavf_channel_config ch_config;
429 u8 num_tc;
430 struct list_head cloud_filter_list;
431 /* lock to protect access to the cloud filter list */
432 spinlock_t cloud_filter_list_lock;
433 u16 num_cloud_filters;
434 /* snapshot of "num_active_queues" before setup_tc for qdisc add
435 * is invoked. This information is useful during qdisc del flow,
436 * to restore correct number of queues
437 */
438 int orig_num_active_queues;
439
440 #define IAVF_MAX_FDIR_FILTERS 128 /* max allowed Flow Director filters */
441 u16 fdir_active_fltr;
442 struct list_head fdir_list_head;
443 spinlock_t fdir_fltr_lock; /* protect the Flow Director filter list */
444
445 struct list_head adv_rss_list_head;
446 spinlock_t adv_rss_lock; /* protect the RSS management list */
447 };
448
449
450 /* Ethtool Private Flags */
451
452 /* lan device, used by client interface */
453 struct iavf_device {
454 struct list_head list;
455 struct iavf_adapter *vf;
456 };
457
458 /* needed by iavf_ethtool.c */
459 extern char iavf_driver_name[];
460 extern struct workqueue_struct *iavf_wq;
461
iavf_state_str(enum iavf_state_t state)462 static inline const char *iavf_state_str(enum iavf_state_t state)
463 {
464 switch (state) {
465 case __IAVF_STARTUP:
466 return "__IAVF_STARTUP";
467 case __IAVF_REMOVE:
468 return "__IAVF_REMOVE";
469 case __IAVF_INIT_VERSION_CHECK:
470 return "__IAVF_INIT_VERSION_CHECK";
471 case __IAVF_INIT_GET_RESOURCES:
472 return "__IAVF_INIT_GET_RESOURCES";
473 case __IAVF_INIT_EXTENDED_CAPS:
474 return "__IAVF_INIT_EXTENDED_CAPS";
475 case __IAVF_INIT_CONFIG_ADAPTER:
476 return "__IAVF_INIT_CONFIG_ADAPTER";
477 case __IAVF_INIT_SW:
478 return "__IAVF_INIT_SW";
479 case __IAVF_INIT_FAILED:
480 return "__IAVF_INIT_FAILED";
481 case __IAVF_RESETTING:
482 return "__IAVF_RESETTING";
483 case __IAVF_COMM_FAILED:
484 return "__IAVF_COMM_FAILED";
485 case __IAVF_DOWN:
486 return "__IAVF_DOWN";
487 case __IAVF_DOWN_PENDING:
488 return "__IAVF_DOWN_PENDING";
489 case __IAVF_TESTING:
490 return "__IAVF_TESTING";
491 case __IAVF_RUNNING:
492 return "__IAVF_RUNNING";
493 default:
494 return "__IAVF_UNKNOWN_STATE";
495 }
496 }
497
iavf_change_state(struct iavf_adapter * adapter,enum iavf_state_t state)498 static inline void iavf_change_state(struct iavf_adapter *adapter,
499 enum iavf_state_t state)
500 {
501 if (adapter->state != state) {
502 adapter->last_state = adapter->state;
503 adapter->state = state;
504 }
505 dev_dbg(&adapter->pdev->dev,
506 "state transition from:%s to:%s\n",
507 iavf_state_str(adapter->last_state),
508 iavf_state_str(adapter->state));
509 }
510
511 int iavf_up(struct iavf_adapter *adapter);
512 void iavf_down(struct iavf_adapter *adapter);
513 int iavf_process_config(struct iavf_adapter *adapter);
514 int iavf_parse_vf_resource_msg(struct iavf_adapter *adapter);
515 void iavf_schedule_reset(struct iavf_adapter *adapter);
516 void iavf_schedule_request_stats(struct iavf_adapter *adapter);
517 void iavf_reset(struct iavf_adapter *adapter);
518 void iavf_set_ethtool_ops(struct net_device *netdev);
519 void iavf_update_stats(struct iavf_adapter *adapter);
520 void iavf_reset_interrupt_capability(struct iavf_adapter *adapter);
521 int iavf_init_interrupt_scheme(struct iavf_adapter *adapter);
522 void iavf_irq_enable_queues(struct iavf_adapter *adapter, u32 mask);
523 void iavf_free_all_tx_resources(struct iavf_adapter *adapter);
524 void iavf_free_all_rx_resources(struct iavf_adapter *adapter);
525
526 void iavf_napi_add_all(struct iavf_adapter *adapter);
527 void iavf_napi_del_all(struct iavf_adapter *adapter);
528
529 int iavf_send_api_ver(struct iavf_adapter *adapter);
530 int iavf_verify_api_ver(struct iavf_adapter *adapter);
531 int iavf_send_vf_config_msg(struct iavf_adapter *adapter);
532 int iavf_get_vf_config(struct iavf_adapter *adapter);
533 int iavf_get_vf_vlan_v2_caps(struct iavf_adapter *adapter);
534 int iavf_send_vf_offload_vlan_v2_msg(struct iavf_adapter *adapter);
535 void iavf_set_queue_vlan_tag_loc(struct iavf_adapter *adapter);
536 u16 iavf_get_num_vlans_added(struct iavf_adapter *adapter);
537 void iavf_irq_enable(struct iavf_adapter *adapter, bool flush);
538 void iavf_configure_queues(struct iavf_adapter *adapter);
539 void iavf_deconfigure_queues(struct iavf_adapter *adapter);
540 void iavf_enable_queues(struct iavf_adapter *adapter);
541 void iavf_disable_queues(struct iavf_adapter *adapter);
542 void iavf_map_queues(struct iavf_adapter *adapter);
543 int iavf_request_queues(struct iavf_adapter *adapter, int num);
544 void iavf_add_ether_addrs(struct iavf_adapter *adapter);
545 void iavf_del_ether_addrs(struct iavf_adapter *adapter);
546 void iavf_add_vlans(struct iavf_adapter *adapter);
547 void iavf_del_vlans(struct iavf_adapter *adapter);
548 void iavf_set_promiscuous(struct iavf_adapter *adapter, int flags);
549 void iavf_request_stats(struct iavf_adapter *adapter);
550 int iavf_request_reset(struct iavf_adapter *adapter);
551 void iavf_get_hena(struct iavf_adapter *adapter);
552 void iavf_set_hena(struct iavf_adapter *adapter);
553 void iavf_set_rss_key(struct iavf_adapter *adapter);
554 void iavf_set_rss_lut(struct iavf_adapter *adapter);
555 void iavf_enable_vlan_stripping(struct iavf_adapter *adapter);
556 void iavf_disable_vlan_stripping(struct iavf_adapter *adapter);
557 void iavf_virtchnl_completion(struct iavf_adapter *adapter,
558 enum virtchnl_ops v_opcode,
559 enum iavf_status v_retval, u8 *msg, u16 msglen);
560 int iavf_config_rss(struct iavf_adapter *adapter);
561 int iavf_lan_add_device(struct iavf_adapter *adapter);
562 int iavf_lan_del_device(struct iavf_adapter *adapter);
563 void iavf_client_subtask(struct iavf_adapter *adapter);
564 void iavf_notify_client_message(struct iavf_vsi *vsi, u8 *msg, u16 len);
565 void iavf_notify_client_l2_params(struct iavf_vsi *vsi);
566 void iavf_notify_client_open(struct iavf_vsi *vsi);
567 void iavf_notify_client_close(struct iavf_vsi *vsi, bool reset);
568 void iavf_enable_channels(struct iavf_adapter *adapter);
569 void iavf_disable_channels(struct iavf_adapter *adapter);
570 void iavf_add_cloud_filter(struct iavf_adapter *adapter);
571 void iavf_del_cloud_filter(struct iavf_adapter *adapter);
572 void iavf_enable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid);
573 void iavf_disable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid);
574 void iavf_enable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid);
575 void iavf_disable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid);
576 void
577 iavf_set_vlan_offload_features(struct iavf_adapter *adapter,
578 netdev_features_t prev_features,
579 netdev_features_t features);
580 void iavf_add_fdir_filter(struct iavf_adapter *adapter);
581 void iavf_del_fdir_filter(struct iavf_adapter *adapter);
582 void iavf_add_adv_rss_cfg(struct iavf_adapter *adapter);
583 void iavf_del_adv_rss_cfg(struct iavf_adapter *adapter);
584 struct iavf_mac_filter *iavf_add_filter(struct iavf_adapter *adapter,
585 const u8 *macaddr);
586 int iavf_lock_timeout(struct mutex *lock, unsigned int msecs);
587 #endif /* _IAVF_H_ */
588