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 #include <net/tc_act/tc_skbedit.h>
37 #include <net/net_shaper.h>
38
39 #include "iavf_type.h"
40 #include <linux/avf/virtchnl.h>
41 #include "iavf_txrx.h"
42 #include "iavf_fdir.h"
43 #include "iavf_adv_rss.h"
44 #include <linux/bitmap.h>
45
46 #define DEFAULT_DEBUG_LEVEL_SHIFT 3
47 #define PFX "iavf: "
48
49 int iavf_status_to_errno(enum iavf_status status);
50 int virtchnl_status_to_errno(enum virtchnl_status_code v_status);
51
52 /* VSI state flags shared with common code */
53 enum iavf_vsi_state_t {
54 __IAVF_VSI_DOWN,
55 /* This must be last as it determines the size of the BITMAP */
56 __IAVF_VSI_STATE_SIZE__,
57 };
58
59 /* dummy struct to make common code less painful */
60 struct iavf_vsi {
61 struct iavf_adapter *back;
62 struct net_device *netdev;
63 u16 seid;
64 u16 id;
65 DECLARE_BITMAP(state, __IAVF_VSI_STATE_SIZE__);
66 int base_vector;
67 u16 qs_handle;
68 };
69
70 /* How many Rx Buffers do we bundle into one write to the hardware ? */
71 #define IAVF_RX_BUFFER_WRITE 16 /* Must be power of 2 */
72 #define IAVF_DEFAULT_TXD 512
73 #define IAVF_DEFAULT_RXD 512
74 #define IAVF_MAX_TXD 4096
75 #define IAVF_MIN_TXD 64
76 #define IAVF_MAX_RXD 4096
77 #define IAVF_MIN_RXD 64
78 #define IAVF_REQ_DESCRIPTOR_MULTIPLE 32
79 #define IAVF_MAX_AQ_BUF_SIZE 4096
80 #define IAVF_AQ_LEN 32
81 #define IAVF_AQ_MAX_ERR 20 /* times to try before resetting AQ */
82
83 #define MAXIMUM_ETHERNET_VLAN_SIZE (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN)
84
85 #define IAVF_RX_DESC(R, i) (&(((union iavf_32byte_rx_desc *)((R)->desc))[i]))
86 #define IAVF_TX_DESC(R, i) (&(((struct iavf_tx_desc *)((R)->desc))[i]))
87 #define IAVF_TX_CTXTDESC(R, i) \
88 (&(((struct iavf_tx_context_desc *)((R)->desc))[i]))
89 #define IAVF_MAX_REQ_QUEUES 16
90
91 #define IAVF_HKEY_ARRAY_SIZE ((IAVF_VFQF_HKEY_MAX_INDEX + 1) * 4)
92 #define IAVF_HLUT_ARRAY_SIZE ((IAVF_VFQF_HLUT_MAX_INDEX + 1) * 4)
93 #define IAVF_MBPS_DIVISOR 125000 /* divisor to convert to Mbps */
94 #define IAVF_MBPS_QUANTA 50
95
96 #define IAVF_VIRTCHNL_VF_RESOURCE_SIZE \
97 virtchnl_struct_size((struct virtchnl_vf_resource *)NULL, \
98 vsi_res, IAVF_MAX_VF_VSI)
99
100 /* MAX_MSIX_Q_VECTORS of these are allocated,
101 * but we only use one per queue-specific vector.
102 */
103 struct iavf_q_vector {
104 struct iavf_adapter *adapter;
105 struct iavf_vsi *vsi;
106 struct napi_struct napi;
107 struct iavf_ring_container rx;
108 struct iavf_ring_container tx;
109 u32 ring_mask;
110 u8 itr_countdown; /* when 0 should adjust adaptive ITR */
111 u8 num_ringpairs; /* total number of ring pairs in vector */
112 u16 v_idx; /* index in the vsi->q_vector array. */
113 u16 reg_idx; /* register index of the interrupt */
114 char name[IFNAMSIZ + 15];
115 bool arm_wb_state;
116 cpumask_t affinity_mask;
117 struct irq_affinity_notify affinity_notify;
118 };
119
120 /* Helper macros to switch between ints/sec and what the register uses.
121 * And yes, it's the same math going both ways. The lowest value
122 * supported by all of the iavf hardware is 8.
123 */
124 #define EITR_INTS_PER_SEC_TO_REG(_eitr) \
125 ((_eitr) ? (1000000000 / ((_eitr) * 256)) : 8)
126 #define EITR_REG_TO_INTS_PER_SEC EITR_INTS_PER_SEC_TO_REG
127
128 #define IAVF_DESC_UNUSED(R) \
129 ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
130 (R)->next_to_clean - (R)->next_to_use - 1)
131
132 #define OTHER_VECTOR 1
133 #define NONQ_VECS (OTHER_VECTOR)
134
135 #define MIN_MSIX_Q_VECTORS 1
136 #define MIN_MSIX_COUNT (MIN_MSIX_Q_VECTORS + NONQ_VECS)
137
138 #define IAVF_QUEUE_END_OF_LIST 0x7FF
139 #define IAVF_FREE_VECTOR 0x7FFF
140 struct iavf_mac_filter {
141 struct list_head list;
142 u8 macaddr[ETH_ALEN];
143 struct {
144 u8 is_new_mac:1; /* filter is new, wait for PF decision */
145 u8 remove:1; /* filter needs to be removed */
146 u8 add:1; /* filter needs to be added */
147 u8 is_primary:1; /* filter is a default VF MAC */
148 u8 add_handled:1; /* received response for filter add */
149 u8 padding:3;
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 enum iavf_vlan_state_t {
160 IAVF_VLAN_INVALID,
161 IAVF_VLAN_ADD, /* filter needs to be added */
162 IAVF_VLAN_IS_NEW, /* filter is new, wait for PF answer */
163 IAVF_VLAN_ACTIVE, /* filter is accepted by PF */
164 IAVF_VLAN_DISABLE, /* filter needs to be deleted by PF, then marked INACTIVE */
165 IAVF_VLAN_INACTIVE, /* filter is inactive, we are in IFF_DOWN */
166 IAVF_VLAN_REMOVE, /* filter needs to be removed from list */
167 };
168
169 struct iavf_vlan_filter {
170 struct list_head list;
171 struct iavf_vlan vlan;
172 enum iavf_vlan_state_t state;
173 };
174
175 #define IAVF_MAX_TRAFFIC_CLASS 4
176 /* State of traffic class creation */
177 enum iavf_tc_state_t {
178 __IAVF_TC_INVALID, /* no traffic class, default state */
179 __IAVF_TC_RUNNING, /* traffic classes have been created */
180 };
181
182 /* channel info */
183 struct iavf_channel_config {
184 struct virtchnl_channel_info ch_info[IAVF_MAX_TRAFFIC_CLASS];
185 enum iavf_tc_state_t state;
186 u8 total_qps;
187 };
188
189 /* State of cloud filter */
190 enum iavf_cloud_filter_state_t {
191 __IAVF_CF_INVALID, /* cloud filter not added */
192 __IAVF_CF_ADD_PENDING, /* cloud filter pending add by the PF */
193 __IAVF_CF_DEL_PENDING, /* cloud filter pending del by the PF */
194 __IAVF_CF_ACTIVE, /* cloud filter is active */
195 };
196
197 /* Driver state. The order of these is important! */
198 enum iavf_state_t {
199 __IAVF_STARTUP, /* driver loaded, probe complete */
200 __IAVF_REMOVE, /* driver is being unloaded */
201 __IAVF_INIT_VERSION_CHECK, /* aq msg sent, awaiting reply */
202 __IAVF_INIT_GET_RESOURCES, /* aq msg sent, awaiting reply */
203 __IAVF_INIT_EXTENDED_CAPS, /* process extended caps which require aq msg exchange */
204 __IAVF_INIT_CONFIG_ADAPTER,
205 __IAVF_INIT_SW, /* got resources, setting up structs */
206 __IAVF_INIT_FAILED, /* init failed, restarting procedure */
207 __IAVF_RESETTING, /* in reset */
208 __IAVF_COMM_FAILED, /* communication with PF failed */
209 /* Below here, watchdog is running */
210 __IAVF_DOWN, /* ready, can be opened */
211 __IAVF_DOWN_PENDING, /* descending, waiting for watchdog */
212 __IAVF_TESTING, /* in ethtool self-test */
213 __IAVF_RUNNING, /* opened, working */
214 };
215
216 enum iavf_critical_section_t {
217 __IAVF_IN_REMOVE_TASK, /* device being removed */
218 };
219
220 #define IAVF_CLOUD_FIELD_OMAC 0x01
221 #define IAVF_CLOUD_FIELD_IMAC 0x02
222 #define IAVF_CLOUD_FIELD_IVLAN 0x04
223 #define IAVF_CLOUD_FIELD_TEN_ID 0x08
224 #define IAVF_CLOUD_FIELD_IIP 0x10
225
226 #define IAVF_CF_FLAGS_OMAC IAVF_CLOUD_FIELD_OMAC
227 #define IAVF_CF_FLAGS_IMAC IAVF_CLOUD_FIELD_IMAC
228 #define IAVF_CF_FLAGS_IMAC_IVLAN (IAVF_CLOUD_FIELD_IMAC |\
229 IAVF_CLOUD_FIELD_IVLAN)
230 #define IAVF_CF_FLAGS_IMAC_TEN_ID (IAVF_CLOUD_FIELD_IMAC |\
231 IAVF_CLOUD_FIELD_TEN_ID)
232 #define IAVF_CF_FLAGS_OMAC_TEN_ID_IMAC (IAVF_CLOUD_FIELD_OMAC |\
233 IAVF_CLOUD_FIELD_IMAC |\
234 IAVF_CLOUD_FIELD_TEN_ID)
235 #define IAVF_CF_FLAGS_IMAC_IVLAN_TEN_ID (IAVF_CLOUD_FIELD_IMAC |\
236 IAVF_CLOUD_FIELD_IVLAN |\
237 IAVF_CLOUD_FIELD_TEN_ID)
238 #define IAVF_CF_FLAGS_IIP IAVF_CLOUD_FIELD_IIP
239
240 /* bookkeeping of cloud filters */
241 struct iavf_cloud_filter {
242 enum iavf_cloud_filter_state_t state;
243 struct list_head list;
244 struct virtchnl_filter f;
245 unsigned long cookie;
246 bool del; /* filter needs to be deleted */
247 bool add; /* filter needs to be added */
248 };
249
250 #define IAVF_RESET_WAIT_MS 10
251 #define IAVF_RESET_WAIT_DETECTED_COUNT 500
252 #define IAVF_RESET_WAIT_COMPLETE_COUNT 2000
253
254 #define IAVF_MAX_QOS_TC_NUM 8
255 #define IAVF_DEFAULT_QUANTA_SIZE 1024
256
257 /* board specific private data structure */
258 struct iavf_adapter {
259 struct workqueue_struct *wq;
260 struct work_struct reset_task;
261 struct work_struct adminq_task;
262 struct work_struct finish_config;
263 wait_queue_head_t down_waitqueue;
264 wait_queue_head_t reset_waitqueue;
265 wait_queue_head_t vc_waitqueue;
266 struct iavf_q_vector *q_vectors;
267 struct list_head vlan_filter_list;
268 int num_vlan_filters;
269 struct list_head mac_filter_list;
270 struct mutex crit_lock;
271 /* Lock to protect accesses to MAC and VLAN lists */
272 spinlock_t mac_vlan_list_lock;
273 char misc_vector_name[IFNAMSIZ + 9];
274 int num_active_queues;
275 int num_req_queues;
276
277 /* TX */
278 struct iavf_ring *tx_rings;
279 u32 tx_timeout_count;
280 u32 tx_desc_count;
281
282 /* RX */
283 struct iavf_ring *rx_rings;
284 u64 hw_csum_rx_error;
285 u32 rx_desc_count;
286 int num_msix_vectors;
287 struct msix_entry *msix_entries;
288
289 u32 flags;
290 #define IAVF_FLAG_RX_CSUM_ENABLED BIT(0)
291 #define IAVF_FLAG_PF_COMMS_FAILED BIT(3)
292 #define IAVF_FLAG_RESET_PENDING BIT(4)
293 #define IAVF_FLAG_RESET_NEEDED BIT(5)
294 #define IAVF_FLAG_WB_ON_ITR_CAPABLE BIT(6)
295 /* BIT(15) is free, was IAVF_FLAG_LEGACY_RX */
296 #define IAVF_FLAG_REINIT_ITR_NEEDED BIT(16)
297 #define IAVF_FLAG_QUEUES_DISABLED BIT(17)
298 #define IAVF_FLAG_SETUP_NETDEV_FEATURES BIT(18)
299 #define IAVF_FLAG_REINIT_MSIX_NEEDED BIT(20)
300 #define IAVF_FLAG_FDIR_ENABLED BIT(21)
301 /* duplicates for common code */
302 #define IAVF_FLAG_DCB_ENABLED 0
303 /* flags for admin queue service task */
304 u64 aq_required;
305 #define IAVF_FLAG_AQ_ENABLE_QUEUES BIT_ULL(0)
306 #define IAVF_FLAG_AQ_DISABLE_QUEUES BIT_ULL(1)
307 #define IAVF_FLAG_AQ_ADD_MAC_FILTER BIT_ULL(2)
308 #define IAVF_FLAG_AQ_ADD_VLAN_FILTER BIT_ULL(3)
309 #define IAVF_FLAG_AQ_DEL_MAC_FILTER BIT_ULL(4)
310 #define IAVF_FLAG_AQ_DEL_VLAN_FILTER BIT_ULL(5)
311 #define IAVF_FLAG_AQ_CONFIGURE_QUEUES BIT_ULL(6)
312 #define IAVF_FLAG_AQ_MAP_VECTORS BIT_ULL(7)
313 #define IAVF_FLAG_AQ_HANDLE_RESET BIT_ULL(8)
314 #define IAVF_FLAG_AQ_CONFIGURE_RSS BIT_ULL(9) /* direct AQ config */
315 #define IAVF_FLAG_AQ_GET_CONFIG BIT_ULL(10)
316 /* Newer style, RSS done by the PF so we can ignore hardware vagaries. */
317 #define IAVF_FLAG_AQ_GET_HENA BIT_ULL(11)
318 #define IAVF_FLAG_AQ_SET_HENA BIT_ULL(12)
319 #define IAVF_FLAG_AQ_SET_RSS_KEY BIT_ULL(13)
320 #define IAVF_FLAG_AQ_SET_RSS_LUT BIT_ULL(14)
321 #define IAVF_FLAG_AQ_SET_RSS_HFUNC BIT_ULL(15)
322 #define IAVF_FLAG_AQ_CONFIGURE_PROMISC_MODE BIT_ULL(16)
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 #define IAVF_FLAG_AQ_CONFIGURE_QUEUES_BW BIT_ULL(39)
344 #define IAVF_FLAG_AQ_CFG_QUEUES_QUANTA_SIZE BIT_ULL(40)
345 #define IAVF_FLAG_AQ_GET_QOS_CAPS BIT_ULL(41)
346
347 /* flags for processing extended capability messages during
348 * __IAVF_INIT_EXTENDED_CAPS. Each capability exchange requires
349 * both a SEND and a RECV step, which must be processed in sequence.
350 *
351 * During the __IAVF_INIT_EXTENDED_CAPS state, the driver will
352 * process one flag at a time during each state loop.
353 */
354 u64 extended_caps;
355 #define IAVF_EXTENDED_CAP_SEND_VLAN_V2 BIT_ULL(0)
356 #define IAVF_EXTENDED_CAP_RECV_VLAN_V2 BIT_ULL(1)
357
358 #define IAVF_EXTENDED_CAPS \
359 (IAVF_EXTENDED_CAP_SEND_VLAN_V2 | \
360 IAVF_EXTENDED_CAP_RECV_VLAN_V2)
361
362 /* Lock to prevent possible clobbering of
363 * current_netdev_promisc_flags
364 */
365 spinlock_t current_netdev_promisc_flags_lock;
366 netdev_features_t current_netdev_promisc_flags;
367
368 /* OS defined structs */
369 struct net_device *netdev;
370 struct pci_dev *pdev;
371
372 struct iavf_hw hw; /* defined in iavf_type.h */
373
374 enum iavf_state_t state;
375 enum iavf_state_t last_state;
376 unsigned long crit_section;
377
378 struct delayed_work watchdog_task;
379 bool link_up;
380 enum virtchnl_link_speed link_speed;
381 /* This is only populated if the VIRTCHNL_VF_CAP_ADV_LINK_SPEED is set
382 * in vf_res->vf_cap_flags. Use ADV_LINK_SUPPORT macro to determine if
383 * this field is valid. This field should be used going forward and the
384 * enum virtchnl_link_speed above should be considered the legacy way of
385 * storing/communicating link speeds.
386 */
387 u32 link_speed_mbps;
388
389 enum virtchnl_ops current_op;
390 /* RSS by the PF should be preferred over RSS via other methods. */
391 #define RSS_PF(_a) ((_a)->vf_res->vf_cap_flags & \
392 VIRTCHNL_VF_OFFLOAD_RSS_PF)
393 #define RSS_AQ(_a) ((_a)->vf_res->vf_cap_flags & \
394 VIRTCHNL_VF_OFFLOAD_RSS_AQ)
395 #define RSS_REG(_a) (!((_a)->vf_res->vf_cap_flags & \
396 (VIRTCHNL_VF_OFFLOAD_RSS_AQ | \
397 VIRTCHNL_VF_OFFLOAD_RSS_PF)))
398 #define VLAN_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
399 VIRTCHNL_VF_OFFLOAD_VLAN)
400 #define VLAN_V2_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
401 VIRTCHNL_VF_OFFLOAD_VLAN_V2)
402 #define CRC_OFFLOAD_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
403 VIRTCHNL_VF_OFFLOAD_CRC)
404 #define TC_U32_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
405 VIRTCHNL_VF_OFFLOAD_TC_U32)
406 #define VLAN_V2_FILTERING_ALLOWED(_a) \
407 (VLAN_V2_ALLOWED((_a)) && \
408 ((_a)->vlan_v2_caps.filtering.filtering_support.outer || \
409 (_a)->vlan_v2_caps.filtering.filtering_support.inner))
410 #define VLAN_FILTERING_ALLOWED(_a) \
411 (VLAN_ALLOWED((_a)) || VLAN_V2_FILTERING_ALLOWED((_a)))
412 #define ADV_LINK_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
413 VIRTCHNL_VF_CAP_ADV_LINK_SPEED)
414 #define FDIR_FLTR_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
415 VIRTCHNL_VF_OFFLOAD_FDIR_PF)
416 #define ADV_RSS_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
417 VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF)
418 #define QOS_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
419 VIRTCHNL_VF_OFFLOAD_QOS)
420 struct virtchnl_vf_resource *vf_res; /* incl. all VSIs */
421 struct virtchnl_vsi_resource *vsi_res; /* our LAN VSI */
422 struct virtchnl_version_info pf_version;
423 #define PF_IS_V11(_a) (((_a)->pf_version.major == 1) && \
424 ((_a)->pf_version.minor == 1))
425 struct virtchnl_vlan_caps vlan_v2_caps;
426 u16 msg_enable;
427 struct iavf_eth_stats current_stats;
428 struct virtchnl_qos_cap_list *qos_caps;
429 struct iavf_vsi vsi;
430 u32 aq_wait_count;
431 /* RSS stuff */
432 enum virtchnl_rss_algorithm hfunc;
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 u16 raw_fdir_active_fltr;
454 struct list_head fdir_list_head;
455 spinlock_t fdir_fltr_lock; /* protect the Flow Director filter list */
456
457 struct list_head adv_rss_list_head;
458 spinlock_t adv_rss_lock; /* protect the RSS management list */
459 };
460
461 /* Must be called with fdir_fltr_lock lock held */
iavf_fdir_max_reached(struct iavf_adapter * adapter)462 static inline bool iavf_fdir_max_reached(struct iavf_adapter *adapter)
463 {
464 return adapter->fdir_active_fltr + adapter->raw_fdir_active_fltr >=
465 IAVF_MAX_FDIR_FILTERS;
466 }
467
468 static inline void
iavf_inc_fdir_active_fltr(struct iavf_adapter * adapter,struct iavf_fdir_fltr * fltr)469 iavf_inc_fdir_active_fltr(struct iavf_adapter *adapter,
470 struct iavf_fdir_fltr *fltr)
471 {
472 if (iavf_is_raw_fdir(fltr))
473 adapter->raw_fdir_active_fltr++;
474 else
475 adapter->fdir_active_fltr++;
476 }
477
478 static inline void
iavf_dec_fdir_active_fltr(struct iavf_adapter * adapter,struct iavf_fdir_fltr * fltr)479 iavf_dec_fdir_active_fltr(struct iavf_adapter *adapter,
480 struct iavf_fdir_fltr *fltr)
481 {
482 if (iavf_is_raw_fdir(fltr))
483 adapter->raw_fdir_active_fltr--;
484 else
485 adapter->fdir_active_fltr--;
486 }
487
488 /* Ethtool Private Flags */
489
490 /* needed by iavf_ethtool.c */
491 extern char iavf_driver_name[];
492
iavf_state_str(enum iavf_state_t state)493 static inline const char *iavf_state_str(enum iavf_state_t state)
494 {
495 switch (state) {
496 case __IAVF_STARTUP:
497 return "__IAVF_STARTUP";
498 case __IAVF_REMOVE:
499 return "__IAVF_REMOVE";
500 case __IAVF_INIT_VERSION_CHECK:
501 return "__IAVF_INIT_VERSION_CHECK";
502 case __IAVF_INIT_GET_RESOURCES:
503 return "__IAVF_INIT_GET_RESOURCES";
504 case __IAVF_INIT_EXTENDED_CAPS:
505 return "__IAVF_INIT_EXTENDED_CAPS";
506 case __IAVF_INIT_CONFIG_ADAPTER:
507 return "__IAVF_INIT_CONFIG_ADAPTER";
508 case __IAVF_INIT_SW:
509 return "__IAVF_INIT_SW";
510 case __IAVF_INIT_FAILED:
511 return "__IAVF_INIT_FAILED";
512 case __IAVF_RESETTING:
513 return "__IAVF_RESETTING";
514 case __IAVF_COMM_FAILED:
515 return "__IAVF_COMM_FAILED";
516 case __IAVF_DOWN:
517 return "__IAVF_DOWN";
518 case __IAVF_DOWN_PENDING:
519 return "__IAVF_DOWN_PENDING";
520 case __IAVF_TESTING:
521 return "__IAVF_TESTING";
522 case __IAVF_RUNNING:
523 return "__IAVF_RUNNING";
524 default:
525 return "__IAVF_UNKNOWN_STATE";
526 }
527 }
528
iavf_change_state(struct iavf_adapter * adapter,enum iavf_state_t state)529 static inline void iavf_change_state(struct iavf_adapter *adapter,
530 enum iavf_state_t state)
531 {
532 if (adapter->state != state) {
533 adapter->last_state = adapter->state;
534 adapter->state = state;
535 }
536 dev_dbg(&adapter->pdev->dev,
537 "state transition from:%s to:%s\n",
538 iavf_state_str(adapter->last_state),
539 iavf_state_str(adapter->state));
540 }
541
542 void iavf_down(struct iavf_adapter *adapter);
543 int iavf_process_config(struct iavf_adapter *adapter);
544 int iavf_parse_vf_resource_msg(struct iavf_adapter *adapter);
545 void iavf_schedule_reset(struct iavf_adapter *adapter, u64 flags);
546 void iavf_schedule_aq_request(struct iavf_adapter *adapter, u64 flags);
547 void iavf_schedule_finish_config(struct iavf_adapter *adapter);
548 void iavf_set_ethtool_ops(struct net_device *netdev);
549 void iavf_free_all_tx_resources(struct iavf_adapter *adapter);
550 void iavf_free_all_rx_resources(struct iavf_adapter *adapter);
551
552 int iavf_send_api_ver(struct iavf_adapter *adapter);
553 int iavf_verify_api_ver(struct iavf_adapter *adapter);
554 int iavf_send_vf_config_msg(struct iavf_adapter *adapter);
555 int iavf_get_vf_config(struct iavf_adapter *adapter);
556 int iavf_get_vf_vlan_v2_caps(struct iavf_adapter *adapter);
557 int iavf_send_vf_offload_vlan_v2_msg(struct iavf_adapter *adapter);
558 void iavf_set_queue_vlan_tag_loc(struct iavf_adapter *adapter);
559 u16 iavf_get_num_vlans_added(struct iavf_adapter *adapter);
560 void iavf_irq_enable(struct iavf_adapter *adapter, bool flush);
561 void iavf_configure_queues(struct iavf_adapter *adapter);
562 void iavf_enable_queues(struct iavf_adapter *adapter);
563 void iavf_disable_queues(struct iavf_adapter *adapter);
564 void iavf_map_queues(struct iavf_adapter *adapter);
565 void iavf_add_ether_addrs(struct iavf_adapter *adapter);
566 void iavf_del_ether_addrs(struct iavf_adapter *adapter);
567 void iavf_add_vlans(struct iavf_adapter *adapter);
568 void iavf_del_vlans(struct iavf_adapter *adapter);
569 void iavf_set_promiscuous(struct iavf_adapter *adapter);
570 bool iavf_promiscuous_mode_changed(struct iavf_adapter *adapter);
571 void iavf_request_stats(struct iavf_adapter *adapter);
572 int iavf_request_reset(struct iavf_adapter *adapter);
573 void iavf_get_hena(struct iavf_adapter *adapter);
574 void iavf_set_hena(struct iavf_adapter *adapter);
575 void iavf_set_rss_key(struct iavf_adapter *adapter);
576 void iavf_set_rss_lut(struct iavf_adapter *adapter);
577 void iavf_set_rss_hfunc(struct iavf_adapter *adapter);
578 void iavf_enable_vlan_stripping(struct iavf_adapter *adapter);
579 void iavf_disable_vlan_stripping(struct iavf_adapter *adapter);
580 void iavf_virtchnl_completion(struct iavf_adapter *adapter,
581 enum virtchnl_ops v_opcode,
582 enum iavf_status v_retval, u8 *msg, u16 msglen);
583 int iavf_config_rss(struct iavf_adapter *adapter);
584 void iavf_cfg_queues_bw(struct iavf_adapter *adapter);
585 void iavf_cfg_queues_quanta_size(struct iavf_adapter *adapter);
586 void iavf_get_qos_caps(struct iavf_adapter *adapter);
587 void iavf_enable_channels(struct iavf_adapter *adapter);
588 void iavf_disable_channels(struct iavf_adapter *adapter);
589 void iavf_add_cloud_filter(struct iavf_adapter *adapter);
590 void iavf_del_cloud_filter(struct iavf_adapter *adapter);
591 void iavf_enable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid);
592 void iavf_disable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid);
593 void iavf_enable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid);
594 void iavf_disable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid);
595 void iavf_add_fdir_filter(struct iavf_adapter *adapter);
596 void iavf_del_fdir_filter(struct iavf_adapter *adapter);
597 void iavf_add_adv_rss_cfg(struct iavf_adapter *adapter);
598 void iavf_del_adv_rss_cfg(struct iavf_adapter *adapter);
599 struct iavf_mac_filter *iavf_add_filter(struct iavf_adapter *adapter,
600 const u8 *macaddr);
601 int iavf_wait_for_reset(struct iavf_adapter *adapter);
602 #endif /* _IAVF_H_ */
603