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/netdevice.h>
10 #include <linux/vmalloc.h>
11 #include <linux/interrupt.h>
12 #include <linux/ethtool.h>
13 #include <linux/if_vlan.h>
14 #include <linux/ip.h>
15 #include <linux/tcp.h>
16 #include <linux/sctp.h>
17 #include <linux/ipv6.h>
18 #include <linux/kernel.h>
19 #include <linux/bitops.h>
20 #include <linux/timer.h>
21 #include <linux/workqueue.h>
22 #include <linux/wait.h>
23 #include <linux/delay.h>
24 #include <linux/gfp.h>
25 #include <linux/skbuff.h>
26 #include <linux/dma-mapping.h>
27 #include <linux/etherdevice.h>
28 #include <linux/socket.h>
29 #include <linux/jiffies.h>
30 #include <net/ip6_checksum.h>
31 #include <net/pkt_cls.h>
32 #include <net/pkt_sched.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 u16 seid;
62 u16 id;
63 DECLARE_BITMAP(state, __IAVF_VSI_STATE_SIZE__);
64 int base_vector;
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 #define IAVF_MBPS_QUANTA 50
94
95 #define IAVF_VIRTCHNL_VF_RESOURCE_SIZE \
96 virtchnl_struct_size((struct virtchnl_vf_resource *)NULL, \
97 vsi_res, IAVF_MAX_VF_VSI)
98
99 /* MAX_MSIX_Q_VECTORS of these are allocated,
100 * but we only use one per queue-specific vector.
101 */
102 struct iavf_q_vector {
103 struct iavf_adapter *adapter;
104 struct iavf_vsi *vsi;
105 struct napi_struct napi;
106 struct iavf_ring_container rx;
107 struct iavf_ring_container tx;
108 u32 ring_mask;
109 u8 itr_countdown; /* when 0 should adjust adaptive ITR */
110 u8 num_ringpairs; /* total number of ring pairs in vector */
111 u16 v_idx; /* index in the vsi->q_vector array. */
112 u16 reg_idx; /* register index of the interrupt */
113 char name[IFNAMSIZ + 15];
114 bool arm_wb_state;
115 cpumask_t affinity_mask;
116 struct irq_affinity_notify affinity_notify;
117 };
118
119 /* Helper macros to switch between ints/sec and what the register uses.
120 * And yes, it's the same math going both ways. The lowest value
121 * supported by all of the iavf hardware is 8.
122 */
123 #define EITR_INTS_PER_SEC_TO_REG(_eitr) \
124 ((_eitr) ? (1000000000 / ((_eitr) * 256)) : 8)
125 #define EITR_REG_TO_INTS_PER_SEC EITR_INTS_PER_SEC_TO_REG
126
127 #define IAVF_DESC_UNUSED(R) \
128 ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
129 (R)->next_to_clean - (R)->next_to_use - 1)
130
131 #define OTHER_VECTOR 1
132 #define NONQ_VECS (OTHER_VECTOR)
133
134 #define MIN_MSIX_Q_VECTORS 1
135 #define MIN_MSIX_COUNT (MIN_MSIX_Q_VECTORS + NONQ_VECS)
136
137 #define IAVF_QUEUE_END_OF_LIST 0x7FF
138 #define IAVF_FREE_VECTOR 0x7FFF
139 struct iavf_mac_filter {
140 struct list_head list;
141 u8 macaddr[ETH_ALEN];
142 struct {
143 u8 is_new_mac:1; /* filter is new, wait for PF decision */
144 u8 remove:1; /* filter needs to be removed */
145 u8 add:1; /* filter needs to be added */
146 u8 is_primary:1; /* filter is a default VF MAC */
147 u8 add_handled:1; /* received response for filter add */
148 u8 padding:3;
149 };
150 };
151
152 #define IAVF_VLAN(vid, tpid) ((struct iavf_vlan){ vid, tpid })
153 struct iavf_vlan {
154 u16 vid;
155 u16 tpid;
156 };
157
158 enum iavf_vlan_state_t {
159 IAVF_VLAN_INVALID,
160 IAVF_VLAN_ADD, /* filter needs to be added */
161 IAVF_VLAN_IS_NEW, /* filter is new, wait for PF answer */
162 IAVF_VLAN_ACTIVE, /* filter is accepted by PF */
163 IAVF_VLAN_DISABLE, /* filter needs to be deleted by PF, then marked INACTIVE */
164 IAVF_VLAN_INACTIVE, /* filter is inactive, we are in IFF_DOWN */
165 IAVF_VLAN_REMOVE, /* filter needs to be removed from list */
166 };
167
168 struct iavf_vlan_filter {
169 struct list_head list;
170 struct iavf_vlan vlan;
171 enum iavf_vlan_state_t state;
172 };
173
174 #define IAVF_MAX_TRAFFIC_CLASS 4
175 /* State of traffic class creation */
176 enum iavf_tc_state_t {
177 __IAVF_TC_INVALID, /* no traffic class, default state */
178 __IAVF_TC_RUNNING, /* traffic classes have been created */
179 };
180
181 /* channel info */
182 struct iavf_channel_config {
183 struct virtchnl_channel_info ch_info[IAVF_MAX_TRAFFIC_CLASS];
184 enum iavf_tc_state_t state;
185 u8 total_qps;
186 };
187
188 /* State of cloud filter */
189 enum iavf_cloud_filter_state_t {
190 __IAVF_CF_INVALID, /* cloud filter not added */
191 __IAVF_CF_ADD_PENDING, /* cloud filter pending add by the PF */
192 __IAVF_CF_DEL_PENDING, /* cloud filter pending del by the PF */
193 __IAVF_CF_ACTIVE, /* cloud filter is active */
194 };
195
196 /* Driver state. The order of these is important! */
197 enum iavf_state_t {
198 __IAVF_STARTUP, /* driver loaded, probe complete */
199 __IAVF_REMOVE, /* driver is being unloaded */
200 __IAVF_INIT_VERSION_CHECK, /* aq msg sent, awaiting reply */
201 __IAVF_INIT_GET_RESOURCES, /* aq msg sent, awaiting reply */
202 __IAVF_INIT_EXTENDED_CAPS, /* process extended caps which require aq msg exchange */
203 __IAVF_INIT_CONFIG_ADAPTER,
204 __IAVF_INIT_SW, /* got resources, setting up structs */
205 __IAVF_INIT_FAILED, /* init failed, restarting procedure */
206 __IAVF_RESETTING, /* in reset */
207 __IAVF_COMM_FAILED, /* communication with PF failed */
208 /* Below here, watchdog is running */
209 __IAVF_DOWN, /* ready, can be opened */
210 __IAVF_DOWN_PENDING, /* descending, waiting for watchdog */
211 __IAVF_TESTING, /* in ethtool self-test */
212 __IAVF_RUNNING, /* opened, working */
213 };
214
215 enum iavf_critical_section_t {
216 __IAVF_IN_REMOVE_TASK, /* device being removed */
217 };
218
219 #define IAVF_CLOUD_FIELD_OMAC 0x01
220 #define IAVF_CLOUD_FIELD_IMAC 0x02
221 #define IAVF_CLOUD_FIELD_IVLAN 0x04
222 #define IAVF_CLOUD_FIELD_TEN_ID 0x08
223 #define IAVF_CLOUD_FIELD_IIP 0x10
224
225 #define IAVF_CF_FLAGS_OMAC IAVF_CLOUD_FIELD_OMAC
226 #define IAVF_CF_FLAGS_IMAC IAVF_CLOUD_FIELD_IMAC
227 #define IAVF_CF_FLAGS_IMAC_IVLAN (IAVF_CLOUD_FIELD_IMAC |\
228 IAVF_CLOUD_FIELD_IVLAN)
229 #define IAVF_CF_FLAGS_IMAC_TEN_ID (IAVF_CLOUD_FIELD_IMAC |\
230 IAVF_CLOUD_FIELD_TEN_ID)
231 #define IAVF_CF_FLAGS_OMAC_TEN_ID_IMAC (IAVF_CLOUD_FIELD_OMAC |\
232 IAVF_CLOUD_FIELD_IMAC |\
233 IAVF_CLOUD_FIELD_TEN_ID)
234 #define IAVF_CF_FLAGS_IMAC_IVLAN_TEN_ID (IAVF_CLOUD_FIELD_IMAC |\
235 IAVF_CLOUD_FIELD_IVLAN |\
236 IAVF_CLOUD_FIELD_TEN_ID)
237 #define IAVF_CF_FLAGS_IIP IAVF_CLOUD_FIELD_IIP
238
239 /* bookkeeping of cloud filters */
240 struct iavf_cloud_filter {
241 enum iavf_cloud_filter_state_t state;
242 struct list_head list;
243 struct virtchnl_filter f;
244 unsigned long cookie;
245 bool del; /* filter needs to be deleted */
246 bool add; /* filter needs to be added */
247 };
248
249 #define IAVF_RESET_WAIT_MS 10
250 #define IAVF_RESET_WAIT_DETECTED_COUNT 500
251 #define IAVF_RESET_WAIT_COMPLETE_COUNT 2000
252
253 /* board specific private data structure */
254 struct iavf_adapter {
255 struct workqueue_struct *wq;
256 struct work_struct reset_task;
257 struct work_struct adminq_task;
258 struct work_struct finish_config;
259 struct delayed_work client_task;
260 wait_queue_head_t down_waitqueue;
261 wait_queue_head_t reset_waitqueue;
262 wait_queue_head_t vc_waitqueue;
263 struct iavf_q_vector *q_vectors;
264 struct list_head vlan_filter_list;
265 int num_vlan_filters;
266 struct list_head mac_filter_list;
267 struct mutex crit_lock;
268 struct mutex client_lock;
269 /* Lock to protect accesses to MAC and VLAN lists */
270 spinlock_t mac_vlan_list_lock;
271 char misc_vector_name[IFNAMSIZ + 9];
272 int num_active_queues;
273 int num_req_queues;
274
275 /* TX */
276 struct iavf_ring *tx_rings;
277 u32 tx_timeout_count;
278 u32 tx_desc_count;
279
280 /* RX */
281 struct iavf_ring *rx_rings;
282 u64 hw_csum_rx_error;
283 u32 rx_desc_count;
284 int num_msix_vectors;
285 int num_rdma_msix;
286 int rdma_base_vector;
287 u32 client_pending;
288 struct iavf_client_instance *cinst;
289 struct msix_entry *msix_entries;
290
291 u32 flags;
292 #define IAVF_FLAG_RX_CSUM_ENABLED BIT(0)
293 #define IAVF_FLAG_PF_COMMS_FAILED BIT(3)
294 #define IAVF_FLAG_RESET_PENDING BIT(4)
295 #define IAVF_FLAG_RESET_NEEDED BIT(5)
296 #define IAVF_FLAG_WB_ON_ITR_CAPABLE BIT(6)
297 #define IAVF_FLAG_SERVICE_CLIENT_REQUESTED BIT(9)
298 #define IAVF_FLAG_CLIENT_NEEDS_OPEN BIT(10)
299 #define IAVF_FLAG_CLIENT_NEEDS_CLOSE BIT(11)
300 #define IAVF_FLAG_CLIENT_NEEDS_L2_PARAMS BIT(12)
301 #define IAVF_FLAG_LEGACY_RX BIT(15)
302 #define IAVF_FLAG_REINIT_ITR_NEEDED BIT(16)
303 #define IAVF_FLAG_QUEUES_DISABLED BIT(17)
304 #define IAVF_FLAG_SETUP_NETDEV_FEATURES BIT(18)
305 #define IAVF_FLAG_REINIT_MSIX_NEEDED BIT(20)
306 #define IAVF_FLAG_FDIR_ENABLED BIT(21)
307 /* duplicates for common code */
308 #define IAVF_FLAG_DCB_ENABLED 0
309 /* flags for admin queue service task */
310 u64 aq_required;
311 #define IAVF_FLAG_AQ_ENABLE_QUEUES BIT_ULL(0)
312 #define IAVF_FLAG_AQ_DISABLE_QUEUES BIT_ULL(1)
313 #define IAVF_FLAG_AQ_ADD_MAC_FILTER BIT_ULL(2)
314 #define IAVF_FLAG_AQ_ADD_VLAN_FILTER BIT_ULL(3)
315 #define IAVF_FLAG_AQ_DEL_MAC_FILTER BIT_ULL(4)
316 #define IAVF_FLAG_AQ_DEL_VLAN_FILTER BIT_ULL(5)
317 #define IAVF_FLAG_AQ_CONFIGURE_QUEUES BIT_ULL(6)
318 #define IAVF_FLAG_AQ_MAP_VECTORS BIT_ULL(7)
319 #define IAVF_FLAG_AQ_HANDLE_RESET BIT_ULL(8)
320 #define IAVF_FLAG_AQ_CONFIGURE_RSS BIT_ULL(9) /* direct AQ config */
321 #define IAVF_FLAG_AQ_GET_CONFIG BIT_ULL(10)
322 /* Newer style, RSS done by the PF so we can ignore hardware vagaries. */
323 #define IAVF_FLAG_AQ_GET_HENA BIT_ULL(11)
324 #define IAVF_FLAG_AQ_SET_HENA BIT_ULL(12)
325 #define IAVF_FLAG_AQ_SET_RSS_KEY BIT_ULL(13)
326 #define IAVF_FLAG_AQ_SET_RSS_LUT BIT_ULL(14)
327 #define IAVF_FLAG_AQ_CONFIGURE_PROMISC_MODE BIT_ULL(15)
328 #define IAVF_FLAG_AQ_ENABLE_VLAN_STRIPPING BIT_ULL(19)
329 #define IAVF_FLAG_AQ_DISABLE_VLAN_STRIPPING BIT_ULL(20)
330 #define IAVF_FLAG_AQ_ENABLE_CHANNELS BIT_ULL(21)
331 #define IAVF_FLAG_AQ_DISABLE_CHANNELS BIT_ULL(22)
332 #define IAVF_FLAG_AQ_ADD_CLOUD_FILTER BIT_ULL(23)
333 #define IAVF_FLAG_AQ_DEL_CLOUD_FILTER BIT_ULL(24)
334 #define IAVF_FLAG_AQ_ADD_FDIR_FILTER BIT_ULL(25)
335 #define IAVF_FLAG_AQ_DEL_FDIR_FILTER BIT_ULL(26)
336 #define IAVF_FLAG_AQ_ADD_ADV_RSS_CFG BIT_ULL(27)
337 #define IAVF_FLAG_AQ_DEL_ADV_RSS_CFG BIT_ULL(28)
338 #define IAVF_FLAG_AQ_REQUEST_STATS BIT_ULL(29)
339 #define IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS BIT_ULL(30)
340 #define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_STRIPPING BIT_ULL(31)
341 #define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_STRIPPING BIT_ULL(32)
342 #define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_STRIPPING BIT_ULL(33)
343 #define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_STRIPPING BIT_ULL(34)
344 #define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_INSERTION BIT_ULL(35)
345 #define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_INSERTION BIT_ULL(36)
346 #define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_INSERTION BIT_ULL(37)
347 #define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_INSERTION BIT_ULL(38)
348
349 /* flags for processing extended capability messages during
350 * __IAVF_INIT_EXTENDED_CAPS. Each capability exchange requires
351 * both a SEND and a RECV step, which must be processed in sequence.
352 *
353 * During the __IAVF_INIT_EXTENDED_CAPS state, the driver will
354 * process one flag at a time during each state loop.
355 */
356 u64 extended_caps;
357 #define IAVF_EXTENDED_CAP_SEND_VLAN_V2 BIT_ULL(0)
358 #define IAVF_EXTENDED_CAP_RECV_VLAN_V2 BIT_ULL(1)
359
360 #define IAVF_EXTENDED_CAPS \
361 (IAVF_EXTENDED_CAP_SEND_VLAN_V2 | \
362 IAVF_EXTENDED_CAP_RECV_VLAN_V2)
363
364 /* Lock to prevent possible clobbering of
365 * current_netdev_promisc_flags
366 */
367 spinlock_t current_netdev_promisc_flags_lock;
368 netdev_features_t current_netdev_promisc_flags;
369
370 /* OS defined structs */
371 struct net_device *netdev;
372 struct pci_dev *pdev;
373
374 struct iavf_hw hw; /* defined in iavf_type.h */
375
376 enum iavf_state_t state;
377 enum iavf_state_t last_state;
378 unsigned long crit_section;
379
380 struct delayed_work watchdog_task;
381 bool netdev_registered;
382 bool link_up;
383 enum virtchnl_link_speed link_speed;
384 /* This is only populated if the VIRTCHNL_VF_CAP_ADV_LINK_SPEED is set
385 * in vf_res->vf_cap_flags. Use ADV_LINK_SUPPORT macro to determine if
386 * this field is valid. This field should be used going forward and the
387 * enum virtchnl_link_speed above should be considered the legacy way of
388 * storing/communicating link speeds.
389 */
390 u32 link_speed_mbps;
391
392 enum virtchnl_ops current_op;
393 #define CLIENT_ALLOWED(_a) ((_a)->vf_res ? \
394 (_a)->vf_res->vf_cap_flags & \
395 VIRTCHNL_VF_OFFLOAD_RDMA : \
396 0)
397 #define CLIENT_ENABLED(_a) ((_a)->cinst)
398 /* RSS by the PF should be preferred over RSS via other methods. */
399 #define RSS_PF(_a) ((_a)->vf_res->vf_cap_flags & \
400 VIRTCHNL_VF_OFFLOAD_RSS_PF)
401 #define RSS_AQ(_a) ((_a)->vf_res->vf_cap_flags & \
402 VIRTCHNL_VF_OFFLOAD_RSS_AQ)
403 #define RSS_REG(_a) (!((_a)->vf_res->vf_cap_flags & \
404 (VIRTCHNL_VF_OFFLOAD_RSS_AQ | \
405 VIRTCHNL_VF_OFFLOAD_RSS_PF)))
406 #define VLAN_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
407 VIRTCHNL_VF_OFFLOAD_VLAN)
408 #define VLAN_V2_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
409 VIRTCHNL_VF_OFFLOAD_VLAN_V2)
410 #define VLAN_V2_FILTERING_ALLOWED(_a) \
411 (VLAN_V2_ALLOWED((_a)) && \
412 ((_a)->vlan_v2_caps.filtering.filtering_support.outer || \
413 (_a)->vlan_v2_caps.filtering.filtering_support.inner))
414 #define VLAN_FILTERING_ALLOWED(_a) \
415 (VLAN_ALLOWED((_a)) || VLAN_V2_FILTERING_ALLOWED((_a)))
416 #define ADV_LINK_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
417 VIRTCHNL_VF_CAP_ADV_LINK_SPEED)
418 #define FDIR_FLTR_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
419 VIRTCHNL_VF_OFFLOAD_FDIR_PF)
420 #define ADV_RSS_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
421 VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF)
422 struct virtchnl_vf_resource *vf_res; /* incl. all VSIs */
423 struct virtchnl_vsi_resource *vsi_res; /* our LAN VSI */
424 struct virtchnl_version_info pf_version;
425 #define PF_IS_V11(_a) (((_a)->pf_version.major == 1) && \
426 ((_a)->pf_version.minor == 1))
427 struct virtchnl_vlan_caps vlan_v2_caps;
428 u16 msg_enable;
429 struct iavf_eth_stats current_stats;
430 struct iavf_vsi vsi;
431 u32 aq_wait_count;
432 /* RSS stuff */
433 u64 hena;
434 u16 rss_key_size;
435 u16 rss_lut_size;
436 u8 *rss_key;
437 u8 *rss_lut;
438 /* ADQ related members */
439 struct iavf_channel_config ch_config;
440 u8 num_tc;
441 struct list_head cloud_filter_list;
442 /* lock to protect access to the cloud filter list */
443 spinlock_t cloud_filter_list_lock;
444 u16 num_cloud_filters;
445 /* snapshot of "num_active_queues" before setup_tc for qdisc add
446 * is invoked. This information is useful during qdisc del flow,
447 * to restore correct number of queues
448 */
449 int orig_num_active_queues;
450
451 #define IAVF_MAX_FDIR_FILTERS 128 /* max allowed Flow Director filters */
452 u16 fdir_active_fltr;
453 struct list_head fdir_list_head;
454 spinlock_t fdir_fltr_lock; /* protect the Flow Director filter list */
455
456 struct list_head adv_rss_list_head;
457 spinlock_t adv_rss_lock; /* protect the RSS management list */
458 };
459
460
461 /* Ethtool Private Flags */
462
463 /* lan device, used by client interface */
464 struct iavf_device {
465 struct list_head list;
466 struct iavf_adapter *vf;
467 };
468
469 /* needed by iavf_ethtool.c */
470 extern char iavf_driver_name[];
471
iavf_state_str(enum iavf_state_t state)472 static inline const char *iavf_state_str(enum iavf_state_t state)
473 {
474 switch (state) {
475 case __IAVF_STARTUP:
476 return "__IAVF_STARTUP";
477 case __IAVF_REMOVE:
478 return "__IAVF_REMOVE";
479 case __IAVF_INIT_VERSION_CHECK:
480 return "__IAVF_INIT_VERSION_CHECK";
481 case __IAVF_INIT_GET_RESOURCES:
482 return "__IAVF_INIT_GET_RESOURCES";
483 case __IAVF_INIT_EXTENDED_CAPS:
484 return "__IAVF_INIT_EXTENDED_CAPS";
485 case __IAVF_INIT_CONFIG_ADAPTER:
486 return "__IAVF_INIT_CONFIG_ADAPTER";
487 case __IAVF_INIT_SW:
488 return "__IAVF_INIT_SW";
489 case __IAVF_INIT_FAILED:
490 return "__IAVF_INIT_FAILED";
491 case __IAVF_RESETTING:
492 return "__IAVF_RESETTING";
493 case __IAVF_COMM_FAILED:
494 return "__IAVF_COMM_FAILED";
495 case __IAVF_DOWN:
496 return "__IAVF_DOWN";
497 case __IAVF_DOWN_PENDING:
498 return "__IAVF_DOWN_PENDING";
499 case __IAVF_TESTING:
500 return "__IAVF_TESTING";
501 case __IAVF_RUNNING:
502 return "__IAVF_RUNNING";
503 default:
504 return "__IAVF_UNKNOWN_STATE";
505 }
506 }
507
iavf_change_state(struct iavf_adapter * adapter,enum iavf_state_t state)508 static inline void iavf_change_state(struct iavf_adapter *adapter,
509 enum iavf_state_t state)
510 {
511 if (adapter->state != state) {
512 adapter->last_state = adapter->state;
513 adapter->state = state;
514 }
515 dev_dbg(&adapter->pdev->dev,
516 "state transition from:%s to:%s\n",
517 iavf_state_str(adapter->last_state),
518 iavf_state_str(adapter->state));
519 }
520
521 int iavf_up(struct iavf_adapter *adapter);
522 void iavf_down(struct iavf_adapter *adapter);
523 int iavf_process_config(struct iavf_adapter *adapter);
524 int iavf_parse_vf_resource_msg(struct iavf_adapter *adapter);
525 void iavf_schedule_reset(struct iavf_adapter *adapter, u64 flags);
526 void iavf_schedule_aq_request(struct iavf_adapter *adapter, u64 flags);
527 void iavf_schedule_finish_config(struct iavf_adapter *adapter);
528 void iavf_reset(struct iavf_adapter *adapter);
529 void iavf_set_ethtool_ops(struct net_device *netdev);
530 void iavf_update_stats(struct iavf_adapter *adapter);
531 void iavf_free_all_tx_resources(struct iavf_adapter *adapter);
532 void iavf_free_all_rx_resources(struct iavf_adapter *adapter);
533
534 void iavf_napi_add_all(struct iavf_adapter *adapter);
535 void iavf_napi_del_all(struct iavf_adapter *adapter);
536
537 int iavf_send_api_ver(struct iavf_adapter *adapter);
538 int iavf_verify_api_ver(struct iavf_adapter *adapter);
539 int iavf_send_vf_config_msg(struct iavf_adapter *adapter);
540 int iavf_get_vf_config(struct iavf_adapter *adapter);
541 int iavf_get_vf_vlan_v2_caps(struct iavf_adapter *adapter);
542 int iavf_send_vf_offload_vlan_v2_msg(struct iavf_adapter *adapter);
543 void iavf_set_queue_vlan_tag_loc(struct iavf_adapter *adapter);
544 u16 iavf_get_num_vlans_added(struct iavf_adapter *adapter);
545 void iavf_irq_enable(struct iavf_adapter *adapter, bool flush);
546 void iavf_configure_queues(struct iavf_adapter *adapter);
547 void iavf_deconfigure_queues(struct iavf_adapter *adapter);
548 void iavf_enable_queues(struct iavf_adapter *adapter);
549 void iavf_disable_queues(struct iavf_adapter *adapter);
550 void iavf_map_queues(struct iavf_adapter *adapter);
551 int iavf_request_queues(struct iavf_adapter *adapter, int num);
552 void iavf_add_ether_addrs(struct iavf_adapter *adapter);
553 void iavf_del_ether_addrs(struct iavf_adapter *adapter);
554 void iavf_add_vlans(struct iavf_adapter *adapter);
555 void iavf_del_vlans(struct iavf_adapter *adapter);
556 void iavf_set_promiscuous(struct iavf_adapter *adapter);
557 bool iavf_promiscuous_mode_changed(struct iavf_adapter *adapter);
558 void iavf_request_stats(struct iavf_adapter *adapter);
559 int iavf_request_reset(struct iavf_adapter *adapter);
560 void iavf_get_hena(struct iavf_adapter *adapter);
561 void iavf_set_hena(struct iavf_adapter *adapter);
562 void iavf_set_rss_key(struct iavf_adapter *adapter);
563 void iavf_set_rss_lut(struct iavf_adapter *adapter);
564 void iavf_enable_vlan_stripping(struct iavf_adapter *adapter);
565 void iavf_disable_vlan_stripping(struct iavf_adapter *adapter);
566 void iavf_virtchnl_completion(struct iavf_adapter *adapter,
567 enum virtchnl_ops v_opcode,
568 enum iavf_status v_retval, u8 *msg, u16 msglen);
569 int iavf_config_rss(struct iavf_adapter *adapter);
570 int iavf_lan_add_device(struct iavf_adapter *adapter);
571 int iavf_lan_del_device(struct iavf_adapter *adapter);
572 void iavf_client_subtask(struct iavf_adapter *adapter);
573 void iavf_notify_client_message(struct iavf_vsi *vsi, u8 *msg, u16 len);
574 void iavf_notify_client_l2_params(struct iavf_vsi *vsi);
575 void iavf_notify_client_open(struct iavf_vsi *vsi);
576 void iavf_notify_client_close(struct iavf_vsi *vsi, bool reset);
577 void iavf_enable_channels(struct iavf_adapter *adapter);
578 void iavf_disable_channels(struct iavf_adapter *adapter);
579 void iavf_add_cloud_filter(struct iavf_adapter *adapter);
580 void iavf_del_cloud_filter(struct iavf_adapter *adapter);
581 void iavf_enable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid);
582 void iavf_disable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid);
583 void iavf_enable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid);
584 void iavf_disable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid);
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_wait_for_reset(struct iavf_adapter *adapter);
592 #endif /* _IAVF_H_ */
593