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/pkt_sched.h>
34 #include <net/udp.h>
35 #include <net/tc_act/tc_gact.h>
36 #include <net/tc_act/tc_mirred.h>
37
38 #include "iavf_type.h"
39 #include <linux/avf/virtchnl.h>
40 #include "iavf_txrx.h"
41 #include "iavf_fdir.h"
42 #include "iavf_adv_rss.h"
43 #include <linux/bitmap.h>
44
45 #define DEFAULT_DEBUG_LEVEL_SHIFT 3
46 #define PFX "iavf: "
47
48 int iavf_status_to_errno(enum iavf_status status);
49 int virtchnl_status_to_errno(enum virtchnl_status_code v_status);
50
51 /* VSI state flags shared with common code */
52 enum iavf_vsi_state_t {
53 __IAVF_VSI_DOWN,
54 /* This must be last as it determines the size of the BITMAP */
55 __IAVF_VSI_STATE_SIZE__,
56 };
57
58 /* dummy struct to make common code less painful */
59 struct iavf_vsi {
60 struct iavf_adapter *back;
61 struct net_device *netdev;
62 unsigned long active_cvlans[BITS_TO_LONGS(VLAN_N_VID)];
63 unsigned long active_svlans[BITS_TO_LONGS(VLAN_N_VID)];
64 u16 seid;
65 u16 id;
66 DECLARE_BITMAP(state, __IAVF_VSI_STATE_SIZE__);
67 int base_vector;
68 u16 qs_handle;
69 void *priv; /* client driver data reference. */
70 };
71
72 /* How many Rx Buffers do we bundle into one write to the hardware ? */
73 #define IAVF_RX_BUFFER_WRITE 16 /* Must be power of 2 */
74 #define IAVF_DEFAULT_TXD 512
75 #define IAVF_DEFAULT_RXD 512
76 #define IAVF_MAX_TXD 4096
77 #define IAVF_MIN_TXD 64
78 #define IAVF_MAX_RXD 4096
79 #define IAVF_MIN_RXD 64
80 #define IAVF_REQ_DESCRIPTOR_MULTIPLE 32
81 #define IAVF_MAX_AQ_BUF_SIZE 4096
82 #define IAVF_AQ_LEN 32
83 #define IAVF_AQ_MAX_ERR 20 /* times to try before resetting AQ */
84
85 #define MAXIMUM_ETHERNET_VLAN_SIZE (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN)
86
87 #define IAVF_RX_DESC(R, i) (&(((union iavf_32byte_rx_desc *)((R)->desc))[i]))
88 #define IAVF_TX_DESC(R, i) (&(((struct iavf_tx_desc *)((R)->desc))[i]))
89 #define IAVF_TX_CTXTDESC(R, i) \
90 (&(((struct iavf_tx_context_desc *)((R)->desc))[i]))
91 #define IAVF_MAX_REQ_QUEUES 16
92
93 #define IAVF_HKEY_ARRAY_SIZE ((IAVF_VFQF_HKEY_MAX_INDEX + 1) * 4)
94 #define IAVF_HLUT_ARRAY_SIZE ((IAVF_VFQF_HLUT_MAX_INDEX + 1) * 4)
95 #define IAVF_MBPS_DIVISOR 125000 /* divisor to convert to Mbps */
96 #define IAVF_MBPS_QUANTA 50
97
98 #define IAVF_VIRTCHNL_VF_RESOURCE_SIZE (sizeof(struct virtchnl_vf_resource) + \
99 (IAVF_MAX_VF_VSI * \
100 sizeof(struct virtchnl_vsi_resource)))
101
102 /* MAX_MSIX_Q_VECTORS of these are allocated,
103 * but we only use one per queue-specific vector.
104 */
105 struct iavf_q_vector {
106 struct iavf_adapter *adapter;
107 struct iavf_vsi *vsi;
108 struct napi_struct napi;
109 struct iavf_ring_container rx;
110 struct iavf_ring_container tx;
111 u32 ring_mask;
112 u8 itr_countdown; /* when 0 should adjust adaptive ITR */
113 u8 num_ringpairs; /* total number of ring pairs in vector */
114 u16 v_idx; /* index in the vsi->q_vector array. */
115 u16 reg_idx; /* register index of the interrupt */
116 char name[IFNAMSIZ + 15];
117 bool arm_wb_state;
118 cpumask_t affinity_mask;
119 struct irq_affinity_notify affinity_notify;
120 };
121
122 /* Helper macros to switch between ints/sec and what the register uses.
123 * And yes, it's the same math going both ways. The lowest value
124 * supported by all of the iavf hardware is 8.
125 */
126 #define EITR_INTS_PER_SEC_TO_REG(_eitr) \
127 ((_eitr) ? (1000000000 / ((_eitr) * 256)) : 8)
128 #define EITR_REG_TO_INTS_PER_SEC EITR_INTS_PER_SEC_TO_REG
129
130 #define IAVF_DESC_UNUSED(R) \
131 ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
132 (R)->next_to_clean - (R)->next_to_use - 1)
133
134 #define OTHER_VECTOR 1
135 #define NONQ_VECS (OTHER_VECTOR)
136
137 #define MIN_MSIX_Q_VECTORS 1
138 #define MIN_MSIX_COUNT (MIN_MSIX_Q_VECTORS + NONQ_VECS)
139
140 #define IAVF_QUEUE_END_OF_LIST 0x7FF
141 #define IAVF_FREE_VECTOR 0x7FFF
142 struct iavf_mac_filter {
143 struct list_head list;
144 u8 macaddr[ETH_ALEN];
145 struct {
146 u8 is_new_mac:1; /* filter is new, wait for PF decision */
147 u8 remove:1; /* filter needs to be removed */
148 u8 add:1; /* filter needs to be added */
149 u8 is_primary:1; /* filter is a default VF MAC */
150 u8 add_handled:1; /* received response for filter add */
151 u8 padding:3;
152 };
153 };
154
155 #define IAVF_VLAN(vid, tpid) ((struct iavf_vlan){ vid, tpid })
156 struct iavf_vlan {
157 u16 vid;
158 u16 tpid;
159 };
160
161 struct iavf_vlan_filter {
162 struct list_head list;
163 struct iavf_vlan vlan;
164 struct {
165 u8 is_new_vlan:1; /* filter is new, wait for PF answer */
166 u8 remove:1; /* filter needs to be removed */
167 u8 add:1; /* filter needs to be added */
168 u8 padding:5;
169 };
170 };
171
172 #define IAVF_MAX_TRAFFIC_CLASS 4
173 /* State of traffic class creation */
174 enum iavf_tc_state_t {
175 __IAVF_TC_INVALID, /* no traffic class, default state */
176 __IAVF_TC_RUNNING, /* traffic classes have been created */
177 };
178
179 /* channel info */
180 struct iavf_channel_config {
181 struct virtchnl_channel_info ch_info[IAVF_MAX_TRAFFIC_CLASS];
182 enum iavf_tc_state_t state;
183 u8 total_qps;
184 };
185
186 /* State of cloud filter */
187 enum iavf_cloud_filter_state_t {
188 __IAVF_CF_INVALID, /* cloud filter not added */
189 __IAVF_CF_ADD_PENDING, /* cloud filter pending add by the PF */
190 __IAVF_CF_DEL_PENDING, /* cloud filter pending del by the PF */
191 __IAVF_CF_ACTIVE, /* cloud filter is active */
192 };
193
194 /* Driver state. The order of these is important! */
195 enum iavf_state_t {
196 __IAVF_STARTUP, /* driver loaded, probe complete */
197 __IAVF_REMOVE, /* driver is being unloaded */
198 __IAVF_INIT_VERSION_CHECK, /* aq msg sent, awaiting reply */
199 __IAVF_INIT_GET_RESOURCES, /* aq msg sent, awaiting reply */
200 __IAVF_INIT_EXTENDED_CAPS, /* process extended caps which require aq msg exchange */
201 __IAVF_INIT_CONFIG_ADAPTER,
202 __IAVF_INIT_SW, /* got resources, setting up structs */
203 __IAVF_INIT_FAILED, /* init failed, restarting procedure */
204 __IAVF_RESETTING, /* in reset */
205 __IAVF_COMM_FAILED, /* communication with PF failed */
206 /* Below here, watchdog is running */
207 __IAVF_DOWN, /* ready, can be opened */
208 __IAVF_DOWN_PENDING, /* descending, waiting for watchdog */
209 __IAVF_TESTING, /* in ethtool self-test */
210 __IAVF_RUNNING, /* opened, working */
211 };
212
213 enum iavf_critical_section_t {
214 __IAVF_IN_REMOVE_TASK, /* device being removed */
215 };
216
217 #define IAVF_CLOUD_FIELD_OMAC 0x01
218 #define IAVF_CLOUD_FIELD_IMAC 0x02
219 #define IAVF_CLOUD_FIELD_IVLAN 0x04
220 #define IAVF_CLOUD_FIELD_TEN_ID 0x08
221 #define IAVF_CLOUD_FIELD_IIP 0x10
222
223 #define IAVF_CF_FLAGS_OMAC IAVF_CLOUD_FIELD_OMAC
224 #define IAVF_CF_FLAGS_IMAC IAVF_CLOUD_FIELD_IMAC
225 #define IAVF_CF_FLAGS_IMAC_IVLAN (IAVF_CLOUD_FIELD_IMAC |\
226 IAVF_CLOUD_FIELD_IVLAN)
227 #define IAVF_CF_FLAGS_IMAC_TEN_ID (IAVF_CLOUD_FIELD_IMAC |\
228 IAVF_CLOUD_FIELD_TEN_ID)
229 #define IAVF_CF_FLAGS_OMAC_TEN_ID_IMAC (IAVF_CLOUD_FIELD_OMAC |\
230 IAVF_CLOUD_FIELD_IMAC |\
231 IAVF_CLOUD_FIELD_TEN_ID)
232 #define IAVF_CF_FLAGS_IMAC_IVLAN_TEN_ID (IAVF_CLOUD_FIELD_IMAC |\
233 IAVF_CLOUD_FIELD_IVLAN |\
234 IAVF_CLOUD_FIELD_TEN_ID)
235 #define IAVF_CF_FLAGS_IIP IAVF_CLOUD_FIELD_IIP
236
237 /* bookkeeping of cloud filters */
238 struct iavf_cloud_filter {
239 enum iavf_cloud_filter_state_t state;
240 struct list_head list;
241 struct virtchnl_filter f;
242 unsigned long cookie;
243 bool del; /* filter needs to be deleted */
244 bool add; /* filter needs to be added */
245 };
246
247 #define IAVF_RESET_WAIT_MS 10
248 #define IAVF_RESET_WAIT_DETECTED_COUNT 500
249 #define IAVF_RESET_WAIT_COMPLETE_COUNT 2000
250
251 /* board specific private data structure */
252 struct iavf_adapter {
253 struct workqueue_struct *wq;
254 struct work_struct reset_task;
255 struct work_struct adminq_task;
256 struct delayed_work client_task;
257 wait_queue_head_t down_waitqueue;
258 wait_queue_head_t vc_waitqueue;
259 struct iavf_q_vector *q_vectors;
260 struct list_head vlan_filter_list;
261 struct list_head mac_filter_list;
262 struct mutex crit_lock;
263 struct mutex client_lock;
264 /* Lock to protect accesses to MAC and VLAN lists */
265 spinlock_t mac_vlan_list_lock;
266 char misc_vector_name[IFNAMSIZ + 9];
267 int num_active_queues;
268 int num_req_queues;
269
270 /* TX */
271 struct iavf_ring *tx_rings;
272 u32 tx_timeout_count;
273 u32 tx_desc_count;
274
275 /* RX */
276 struct iavf_ring *rx_rings;
277 u64 hw_csum_rx_error;
278 u32 rx_desc_count;
279 int num_msix_vectors;
280 int num_rdma_msix;
281 int rdma_base_vector;
282 u32 client_pending;
283 struct iavf_client_instance *cinst;
284 struct msix_entry *msix_entries;
285
286 u32 flags;
287 #define IAVF_FLAG_RX_CSUM_ENABLED BIT(0)
288 #define IAVF_FLAG_PF_COMMS_FAILED BIT(3)
289 #define IAVF_FLAG_RESET_PENDING BIT(4)
290 #define IAVF_FLAG_RESET_NEEDED BIT(5)
291 #define IAVF_FLAG_WB_ON_ITR_CAPABLE BIT(6)
292 #define IAVF_FLAG_SERVICE_CLIENT_REQUESTED BIT(9)
293 #define IAVF_FLAG_CLIENT_NEEDS_OPEN BIT(10)
294 #define IAVF_FLAG_CLIENT_NEEDS_CLOSE BIT(11)
295 #define IAVF_FLAG_CLIENT_NEEDS_L2_PARAMS BIT(12)
296 #define IAVF_FLAG_PROMISC_ON BIT(13)
297 #define IAVF_FLAG_ALLMULTI_ON BIT(14)
298 #define IAVF_FLAG_LEGACY_RX BIT(15)
299 #define IAVF_FLAG_REINIT_ITR_NEEDED BIT(16)
300 #define IAVF_FLAG_QUEUES_DISABLED BIT(17)
301 #define IAVF_FLAG_SETUP_NETDEV_FEATURES BIT(18)
302 #define IAVF_FLAG_REINIT_MSIX_NEEDED BIT(20)
303 /* duplicates for common code */
304 #define IAVF_FLAG_DCB_ENABLED 0
305 /* flags for admin queue service task */
306 u64 aq_required;
307 #define IAVF_FLAG_AQ_ENABLE_QUEUES BIT_ULL(0)
308 #define IAVF_FLAG_AQ_DISABLE_QUEUES BIT_ULL(1)
309 #define IAVF_FLAG_AQ_ADD_MAC_FILTER BIT_ULL(2)
310 #define IAVF_FLAG_AQ_ADD_VLAN_FILTER BIT_ULL(3)
311 #define IAVF_FLAG_AQ_DEL_MAC_FILTER BIT_ULL(4)
312 #define IAVF_FLAG_AQ_DEL_VLAN_FILTER BIT_ULL(5)
313 #define IAVF_FLAG_AQ_CONFIGURE_QUEUES BIT_ULL(6)
314 #define IAVF_FLAG_AQ_MAP_VECTORS BIT_ULL(7)
315 #define IAVF_FLAG_AQ_HANDLE_RESET BIT_ULL(8)
316 #define IAVF_FLAG_AQ_CONFIGURE_RSS BIT_ULL(9) /* direct AQ config */
317 #define IAVF_FLAG_AQ_GET_CONFIG BIT_ULL(10)
318 /* Newer style, RSS done by the PF so we can ignore hardware vagaries. */
319 #define IAVF_FLAG_AQ_GET_HENA BIT_ULL(11)
320 #define IAVF_FLAG_AQ_SET_HENA BIT_ULL(12)
321 #define IAVF_FLAG_AQ_SET_RSS_KEY BIT_ULL(13)
322 #define IAVF_FLAG_AQ_SET_RSS_LUT BIT_ULL(14)
323 #define IAVF_FLAG_AQ_REQUEST_PROMISC BIT_ULL(15)
324 #define IAVF_FLAG_AQ_RELEASE_PROMISC BIT_ULL(16)
325 #define IAVF_FLAG_AQ_REQUEST_ALLMULTI BIT_ULL(17)
326 #define IAVF_FLAG_AQ_RELEASE_ALLMULTI BIT_ULL(18)
327 #define IAVF_FLAG_AQ_ENABLE_VLAN_STRIPPING BIT_ULL(19)
328 #define IAVF_FLAG_AQ_DISABLE_VLAN_STRIPPING BIT_ULL(20)
329 #define IAVF_FLAG_AQ_ENABLE_CHANNELS BIT_ULL(21)
330 #define IAVF_FLAG_AQ_DISABLE_CHANNELS BIT_ULL(22)
331 #define IAVF_FLAG_AQ_ADD_CLOUD_FILTER BIT_ULL(23)
332 #define IAVF_FLAG_AQ_DEL_CLOUD_FILTER BIT_ULL(24)
333 #define IAVF_FLAG_AQ_ADD_FDIR_FILTER BIT_ULL(25)
334 #define IAVF_FLAG_AQ_DEL_FDIR_FILTER BIT_ULL(26)
335 #define IAVF_FLAG_AQ_ADD_ADV_RSS_CFG BIT_ULL(27)
336 #define IAVF_FLAG_AQ_DEL_ADV_RSS_CFG BIT_ULL(28)
337 #define IAVF_FLAG_AQ_REQUEST_STATS BIT_ULL(29)
338 #define IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS BIT_ULL(30)
339 #define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_STRIPPING BIT_ULL(31)
340 #define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_STRIPPING BIT_ULL(32)
341 #define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_STRIPPING BIT_ULL(33)
342 #define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_STRIPPING BIT_ULL(34)
343 #define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_INSERTION BIT_ULL(35)
344 #define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_INSERTION BIT_ULL(36)
345 #define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_INSERTION BIT_ULL(37)
346 #define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_INSERTION BIT_ULL(38)
347
348 /* flags for processing extended capability messages during
349 * __IAVF_INIT_EXTENDED_CAPS. Each capability exchange requires
350 * both a SEND and a RECV step, which must be processed in sequence.
351 *
352 * During the __IAVF_INIT_EXTENDED_CAPS state, the driver will
353 * process one flag at a time during each state loop.
354 */
355 u64 extended_caps;
356 #define IAVF_EXTENDED_CAP_SEND_VLAN_V2 BIT_ULL(0)
357 #define IAVF_EXTENDED_CAP_RECV_VLAN_V2 BIT_ULL(1)
358
359 #define IAVF_EXTENDED_CAPS \
360 (IAVF_EXTENDED_CAP_SEND_VLAN_V2 | \
361 IAVF_EXTENDED_CAP_RECV_VLAN_V2)
362
363 /* OS defined structs */
364 struct net_device *netdev;
365 struct pci_dev *pdev;
366
367 struct iavf_hw hw; /* defined in iavf_type.h */
368
369 enum iavf_state_t state;
370 enum iavf_state_t last_state;
371 unsigned long crit_section;
372
373 struct delayed_work watchdog_task;
374 bool netdev_registered;
375 bool link_up;
376 enum virtchnl_link_speed link_speed;
377 /* This is only populated if the VIRTCHNL_VF_CAP_ADV_LINK_SPEED is set
378 * in vf_res->vf_cap_flags. Use ADV_LINK_SUPPORT macro to determine if
379 * this field is valid. This field should be used going forward and the
380 * enum virtchnl_link_speed above should be considered the legacy way of
381 * storing/communicating link speeds.
382 */
383 u32 link_speed_mbps;
384
385 enum virtchnl_ops current_op;
386 #define CLIENT_ALLOWED(_a) ((_a)->vf_res ? \
387 (_a)->vf_res->vf_cap_flags & \
388 VIRTCHNL_VF_OFFLOAD_RDMA : \
389 0)
390 #define CLIENT_ENABLED(_a) ((_a)->cinst)
391 /* RSS by the PF should be preferred over RSS via other methods. */
392 #define RSS_PF(_a) ((_a)->vf_res->vf_cap_flags & \
393 VIRTCHNL_VF_OFFLOAD_RSS_PF)
394 #define RSS_AQ(_a) ((_a)->vf_res->vf_cap_flags & \
395 VIRTCHNL_VF_OFFLOAD_RSS_AQ)
396 #define RSS_REG(_a) (!((_a)->vf_res->vf_cap_flags & \
397 (VIRTCHNL_VF_OFFLOAD_RSS_AQ | \
398 VIRTCHNL_VF_OFFLOAD_RSS_PF)))
399 #define VLAN_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
400 VIRTCHNL_VF_OFFLOAD_VLAN)
401 #define VLAN_V2_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
402 VIRTCHNL_VF_OFFLOAD_VLAN_V2)
403 #define VLAN_V2_FILTERING_ALLOWED(_a) \
404 (VLAN_V2_ALLOWED((_a)) && \
405 ((_a)->vlan_v2_caps.filtering.filtering_support.outer || \
406 (_a)->vlan_v2_caps.filtering.filtering_support.inner))
407 #define VLAN_FILTERING_ALLOWED(_a) \
408 (VLAN_ALLOWED((_a)) || VLAN_V2_FILTERING_ALLOWED((_a)))
409 #define ADV_LINK_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
410 VIRTCHNL_VF_CAP_ADV_LINK_SPEED)
411 #define FDIR_FLTR_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
412 VIRTCHNL_VF_OFFLOAD_FDIR_PF)
413 #define ADV_RSS_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
414 VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF)
415 struct virtchnl_vf_resource *vf_res; /* incl. all VSIs */
416 struct virtchnl_vsi_resource *vsi_res; /* our LAN VSI */
417 struct virtchnl_version_info pf_version;
418 #define PF_IS_V11(_a) (((_a)->pf_version.major == 1) && \
419 ((_a)->pf_version.minor == 1))
420 struct virtchnl_vlan_caps vlan_v2_caps;
421 u16 msg_enable;
422 struct iavf_eth_stats current_stats;
423 struct iavf_vsi vsi;
424 u32 aq_wait_count;
425 /* RSS stuff */
426 u64 hena;
427 u16 rss_key_size;
428 u16 rss_lut_size;
429 u8 *rss_key;
430 u8 *rss_lut;
431 /* ADQ related members */
432 struct iavf_channel_config ch_config;
433 u8 num_tc;
434 struct list_head cloud_filter_list;
435 /* lock to protect access to the cloud filter list */
436 spinlock_t cloud_filter_list_lock;
437 u16 num_cloud_filters;
438 /* snapshot of "num_active_queues" before setup_tc for qdisc add
439 * is invoked. This information is useful during qdisc del flow,
440 * to restore correct number of queues
441 */
442 int orig_num_active_queues;
443
444 #define IAVF_MAX_FDIR_FILTERS 128 /* max allowed Flow Director filters */
445 u16 fdir_active_fltr;
446 struct list_head fdir_list_head;
447 spinlock_t fdir_fltr_lock; /* protect the Flow Director filter list */
448
449 struct list_head adv_rss_list_head;
450 spinlock_t adv_rss_lock; /* protect the RSS management list */
451 };
452
453
454 /* Ethtool Private Flags */
455
456 /* lan device, used by client interface */
457 struct iavf_device {
458 struct list_head list;
459 struct iavf_adapter *vf;
460 };
461
462 /* needed by iavf_ethtool.c */
463 extern char iavf_driver_name[];
464
iavf_state_str(enum iavf_state_t state)465 static inline const char *iavf_state_str(enum iavf_state_t state)
466 {
467 switch (state) {
468 case __IAVF_STARTUP:
469 return "__IAVF_STARTUP";
470 case __IAVF_REMOVE:
471 return "__IAVF_REMOVE";
472 case __IAVF_INIT_VERSION_CHECK:
473 return "__IAVF_INIT_VERSION_CHECK";
474 case __IAVF_INIT_GET_RESOURCES:
475 return "__IAVF_INIT_GET_RESOURCES";
476 case __IAVF_INIT_EXTENDED_CAPS:
477 return "__IAVF_INIT_EXTENDED_CAPS";
478 case __IAVF_INIT_CONFIG_ADAPTER:
479 return "__IAVF_INIT_CONFIG_ADAPTER";
480 case __IAVF_INIT_SW:
481 return "__IAVF_INIT_SW";
482 case __IAVF_INIT_FAILED:
483 return "__IAVF_INIT_FAILED";
484 case __IAVF_RESETTING:
485 return "__IAVF_RESETTING";
486 case __IAVF_COMM_FAILED:
487 return "__IAVF_COMM_FAILED";
488 case __IAVF_DOWN:
489 return "__IAVF_DOWN";
490 case __IAVF_DOWN_PENDING:
491 return "__IAVF_DOWN_PENDING";
492 case __IAVF_TESTING:
493 return "__IAVF_TESTING";
494 case __IAVF_RUNNING:
495 return "__IAVF_RUNNING";
496 default:
497 return "__IAVF_UNKNOWN_STATE";
498 }
499 }
500
iavf_change_state(struct iavf_adapter * adapter,enum iavf_state_t state)501 static inline void iavf_change_state(struct iavf_adapter *adapter,
502 enum iavf_state_t state)
503 {
504 if (adapter->state != state) {
505 adapter->last_state = adapter->state;
506 adapter->state = state;
507 }
508 dev_dbg(&adapter->pdev->dev,
509 "state transition from:%s to:%s\n",
510 iavf_state_str(adapter->last_state),
511 iavf_state_str(adapter->state));
512 }
513
514 int iavf_up(struct iavf_adapter *adapter);
515 void iavf_down(struct iavf_adapter *adapter);
516 int iavf_process_config(struct iavf_adapter *adapter);
517 int iavf_parse_vf_resource_msg(struct iavf_adapter *adapter);
518 void iavf_schedule_reset(struct iavf_adapter *adapter);
519 void iavf_schedule_request_stats(struct iavf_adapter *adapter);
520 void iavf_reset(struct iavf_adapter *adapter);
521 void iavf_set_ethtool_ops(struct net_device *netdev);
522 void iavf_update_stats(struct iavf_adapter *adapter);
523 void iavf_reset_interrupt_capability(struct iavf_adapter *adapter);
524 int iavf_init_interrupt_scheme(struct iavf_adapter *adapter);
525 void iavf_irq_enable_queues(struct iavf_adapter *adapter, u32 mask);
526 void iavf_free_all_tx_resources(struct iavf_adapter *adapter);
527 void iavf_free_all_rx_resources(struct iavf_adapter *adapter);
528
529 void iavf_napi_add_all(struct iavf_adapter *adapter);
530 void iavf_napi_del_all(struct iavf_adapter *adapter);
531
532 int iavf_send_api_ver(struct iavf_adapter *adapter);
533 int iavf_verify_api_ver(struct iavf_adapter *adapter);
534 int iavf_send_vf_config_msg(struct iavf_adapter *adapter);
535 int iavf_get_vf_config(struct iavf_adapter *adapter);
536 int iavf_get_vf_vlan_v2_caps(struct iavf_adapter *adapter);
537 int iavf_send_vf_offload_vlan_v2_msg(struct iavf_adapter *adapter);
538 void iavf_set_queue_vlan_tag_loc(struct iavf_adapter *adapter);
539 u16 iavf_get_num_vlans_added(struct iavf_adapter *adapter);
540 void iavf_irq_enable(struct iavf_adapter *adapter, bool flush);
541 void iavf_configure_queues(struct iavf_adapter *adapter);
542 void iavf_deconfigure_queues(struct iavf_adapter *adapter);
543 void iavf_enable_queues(struct iavf_adapter *adapter);
544 void iavf_disable_queues(struct iavf_adapter *adapter);
545 void iavf_map_queues(struct iavf_adapter *adapter);
546 int iavf_request_queues(struct iavf_adapter *adapter, int num);
547 void iavf_add_ether_addrs(struct iavf_adapter *adapter);
548 void iavf_del_ether_addrs(struct iavf_adapter *adapter);
549 void iavf_add_vlans(struct iavf_adapter *adapter);
550 void iavf_del_vlans(struct iavf_adapter *adapter);
551 void iavf_set_promiscuous(struct iavf_adapter *adapter, int flags);
552 void iavf_request_stats(struct iavf_adapter *adapter);
553 int iavf_request_reset(struct iavf_adapter *adapter);
554 void iavf_get_hena(struct iavf_adapter *adapter);
555 void iavf_set_hena(struct iavf_adapter *adapter);
556 void iavf_set_rss_key(struct iavf_adapter *adapter);
557 void iavf_set_rss_lut(struct iavf_adapter *adapter);
558 void iavf_enable_vlan_stripping(struct iavf_adapter *adapter);
559 void iavf_disable_vlan_stripping(struct iavf_adapter *adapter);
560 void iavf_virtchnl_completion(struct iavf_adapter *adapter,
561 enum virtchnl_ops v_opcode,
562 enum iavf_status v_retval, u8 *msg, u16 msglen);
563 int iavf_config_rss(struct iavf_adapter *adapter);
564 int iavf_lan_add_device(struct iavf_adapter *adapter);
565 int iavf_lan_del_device(struct iavf_adapter *adapter);
566 void iavf_client_subtask(struct iavf_adapter *adapter);
567 void iavf_notify_client_message(struct iavf_vsi *vsi, u8 *msg, u16 len);
568 void iavf_notify_client_l2_params(struct iavf_vsi *vsi);
569 void iavf_notify_client_open(struct iavf_vsi *vsi);
570 void iavf_notify_client_close(struct iavf_vsi *vsi, bool reset);
571 void iavf_enable_channels(struct iavf_adapter *adapter);
572 void iavf_disable_channels(struct iavf_adapter *adapter);
573 void iavf_add_cloud_filter(struct iavf_adapter *adapter);
574 void iavf_del_cloud_filter(struct iavf_adapter *adapter);
575 void iavf_enable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid);
576 void iavf_disable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid);
577 void iavf_enable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid);
578 void iavf_disable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid);
579 int iavf_replace_primary_mac(struct iavf_adapter *adapter,
580 const u8 *new_mac);
581 void
582 iavf_set_vlan_offload_features(struct iavf_adapter *adapter,
583 netdev_features_t prev_features,
584 netdev_features_t features);
585 void iavf_add_fdir_filter(struct iavf_adapter *adapter);
586 void iavf_del_fdir_filter(struct iavf_adapter *adapter);
587 void iavf_add_adv_rss_cfg(struct iavf_adapter *adapter);
588 void iavf_del_adv_rss_cfg(struct iavf_adapter *adapter);
589 struct iavf_mac_filter *iavf_add_filter(struct iavf_adapter *adapter,
590 const u8 *macaddr);
591 int iavf_lock_timeout(struct mutex *lock, unsigned int msecs);
592 #endif /* _IAVF_H_ */
593