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 "iavf_types.h"
45 #include <linux/bitmap.h>
46
47 #define DEFAULT_DEBUG_LEVEL_SHIFT 3
48 #define PFX "iavf: "
49
50 int iavf_status_to_errno(enum iavf_status status);
51 int virtchnl_status_to_errno(enum virtchnl_status_code v_status);
52
53 /* VSI state flags shared with common code */
54 enum iavf_vsi_state_t {
55 __IAVF_VSI_DOWN,
56 /* This must be last as it determines the size of the BITMAP */
57 __IAVF_VSI_STATE_SIZE__,
58 };
59
60 /* dummy struct to make common code less painful */
61 struct iavf_vsi {
62 struct iavf_adapter *back;
63 struct net_device *netdev;
64 u16 seid;
65 u16 id;
66 DECLARE_BITMAP(state, __IAVF_VSI_STATE_SIZE__);
67 int base_vector;
68 u16 qs_handle;
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) (&(((struct iavf_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 \
98 virtchnl_struct_size((struct virtchnl_vf_resource *)NULL, \
99 vsi_res, IAVF_MAX_VF_VSI)
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 };
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 #define IAVF_MAX_QOS_TC_NUM 8
254 #define IAVF_DEFAULT_QUANTA_SIZE 1024
255
256 /* board specific private data structure */
257 struct iavf_adapter {
258 struct workqueue_struct *wq;
259 struct work_struct reset_task;
260 struct work_struct adminq_task;
261 struct work_struct finish_config;
262 wait_queue_head_t down_waitqueue;
263 wait_queue_head_t reset_waitqueue;
264 wait_queue_head_t vc_waitqueue;
265 struct iavf_q_vector *q_vectors;
266 struct list_head vlan_filter_list;
267 int num_vlan_filters;
268 struct list_head mac_filter_list;
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 u8 rxdid;
273 int num_active_queues;
274 int num_req_queues;
275
276 /* TX */
277 struct iavf_ring *tx_rings;
278 u32 tx_timeout_count;
279 u32 tx_desc_count;
280
281 /* RX */
282 struct iavf_ring *rx_rings;
283 u64 hw_csum_rx_error;
284 u32 rx_desc_count;
285 int num_msix_vectors;
286 struct msix_entry *msix_entries;
287
288 u32 flags;
289 #define IAVF_FLAG_RX_CSUM_ENABLED BIT(0)
290 #define IAVF_FLAG_PF_COMMS_FAILED BIT(3)
291 #define IAVF_FLAG_RESET_PENDING BIT(4)
292 #define IAVF_FLAG_RESET_NEEDED BIT(5)
293 #define IAVF_FLAG_WB_ON_ITR_CAPABLE BIT(6)
294 /* BIT(15) is free, was IAVF_FLAG_LEGACY_RX */
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 #define IAVF_FLAG_FDIR_ENABLED BIT(21)
300 /* duplicates for common code */
301 #define IAVF_FLAG_DCB_ENABLED 0
302 /* flags for admin queue service task */
303 u64 aq_required;
304 #define IAVF_FLAG_AQ_ENABLE_QUEUES BIT_ULL(0)
305 #define IAVF_FLAG_AQ_DISABLE_QUEUES BIT_ULL(1)
306 #define IAVF_FLAG_AQ_ADD_MAC_FILTER BIT_ULL(2)
307 #define IAVF_FLAG_AQ_ADD_VLAN_FILTER BIT_ULL(3)
308 #define IAVF_FLAG_AQ_DEL_MAC_FILTER BIT_ULL(4)
309 #define IAVF_FLAG_AQ_DEL_VLAN_FILTER BIT_ULL(5)
310 #define IAVF_FLAG_AQ_CONFIGURE_QUEUES BIT_ULL(6)
311 #define IAVF_FLAG_AQ_MAP_VECTORS BIT_ULL(7)
312 #define IAVF_FLAG_AQ_HANDLE_RESET BIT_ULL(8)
313 #define IAVF_FLAG_AQ_CONFIGURE_RSS BIT_ULL(9) /* direct AQ config */
314 #define IAVF_FLAG_AQ_GET_CONFIG BIT_ULL(10)
315 /* Newer style, RSS done by the PF so we can ignore hardware vagaries. */
316 #define IAVF_FLAG_AQ_GET_RSS_HASHCFG BIT_ULL(11)
317 #define IAVF_FLAG_AQ_SET_RSS_HASHCFG BIT_ULL(12)
318 #define IAVF_FLAG_AQ_SET_RSS_KEY BIT_ULL(13)
319 #define IAVF_FLAG_AQ_SET_RSS_LUT BIT_ULL(14)
320 #define IAVF_FLAG_AQ_SET_RSS_HFUNC BIT_ULL(15)
321 #define IAVF_FLAG_AQ_CONFIGURE_PROMISC_MODE BIT_ULL(16)
322 #define IAVF_FLAG_AQ_ENABLE_VLAN_STRIPPING BIT_ULL(19)
323 #define IAVF_FLAG_AQ_DISABLE_VLAN_STRIPPING BIT_ULL(20)
324 #define IAVF_FLAG_AQ_ENABLE_CHANNELS BIT_ULL(21)
325 #define IAVF_FLAG_AQ_DISABLE_CHANNELS BIT_ULL(22)
326 #define IAVF_FLAG_AQ_ADD_CLOUD_FILTER BIT_ULL(23)
327 #define IAVF_FLAG_AQ_DEL_CLOUD_FILTER BIT_ULL(24)
328 #define IAVF_FLAG_AQ_ADD_FDIR_FILTER BIT_ULL(25)
329 #define IAVF_FLAG_AQ_DEL_FDIR_FILTER BIT_ULL(26)
330 #define IAVF_FLAG_AQ_ADD_ADV_RSS_CFG BIT_ULL(27)
331 #define IAVF_FLAG_AQ_DEL_ADV_RSS_CFG BIT_ULL(28)
332 #define IAVF_FLAG_AQ_REQUEST_STATS BIT_ULL(29)
333 #define IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS BIT_ULL(30)
334 #define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_STRIPPING BIT_ULL(31)
335 #define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_STRIPPING BIT_ULL(32)
336 #define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_STRIPPING BIT_ULL(33)
337 #define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_STRIPPING BIT_ULL(34)
338 #define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_INSERTION BIT_ULL(35)
339 #define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_INSERTION BIT_ULL(36)
340 #define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_INSERTION BIT_ULL(37)
341 #define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_INSERTION BIT_ULL(38)
342 #define IAVF_FLAG_AQ_CONFIGURE_QUEUES_BW BIT_ULL(39)
343 #define IAVF_FLAG_AQ_CFG_QUEUES_QUANTA_SIZE BIT_ULL(40)
344 #define IAVF_FLAG_AQ_GET_QOS_CAPS BIT_ULL(41)
345 #define IAVF_FLAG_AQ_GET_SUPPORTED_RXDIDS BIT_ULL(42)
346 #define IAVF_FLAG_AQ_GET_PTP_CAPS BIT_ULL(43)
347 #define IAVF_FLAG_AQ_SEND_PTP_CMD BIT_ULL(44)
348
349 /* AQ messages that must be sent after IAVF_FLAG_AQ_GET_CONFIG, in
350 * order to negotiated extended capabilities.
351 */
352 #define IAVF_FLAG_AQ_EXTENDED_CAPS \
353 (IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS | \
354 IAVF_FLAG_AQ_GET_SUPPORTED_RXDIDS | \
355 IAVF_FLAG_AQ_GET_PTP_CAPS)
356
357 /* flags for processing extended capability messages during
358 * __IAVF_INIT_EXTENDED_CAPS. Each capability exchange requires
359 * both a SEND and a RECV step, which must be processed in sequence.
360 *
361 * During the __IAVF_INIT_EXTENDED_CAPS state, the driver will
362 * process one flag at a time during each state loop.
363 */
364 u64 extended_caps;
365 #define IAVF_EXTENDED_CAP_SEND_VLAN_V2 BIT_ULL(0)
366 #define IAVF_EXTENDED_CAP_RECV_VLAN_V2 BIT_ULL(1)
367 #define IAVF_EXTENDED_CAP_SEND_RXDID BIT_ULL(2)
368 #define IAVF_EXTENDED_CAP_RECV_RXDID BIT_ULL(3)
369 #define IAVF_EXTENDED_CAP_SEND_PTP BIT_ULL(4)
370 #define IAVF_EXTENDED_CAP_RECV_PTP BIT_ULL(5)
371
372 #define IAVF_EXTENDED_CAPS \
373 (IAVF_EXTENDED_CAP_SEND_VLAN_V2 | \
374 IAVF_EXTENDED_CAP_RECV_VLAN_V2 | \
375 IAVF_EXTENDED_CAP_SEND_RXDID | \
376 IAVF_EXTENDED_CAP_RECV_RXDID | \
377 IAVF_EXTENDED_CAP_SEND_PTP | \
378 IAVF_EXTENDED_CAP_RECV_PTP)
379
380 /* Lock to prevent possible clobbering of
381 * current_netdev_promisc_flags
382 */
383 spinlock_t current_netdev_promisc_flags_lock;
384 netdev_features_t current_netdev_promisc_flags;
385
386 /* OS defined structs */
387 struct net_device *netdev;
388 struct pci_dev *pdev;
389
390 struct iavf_hw hw; /* defined in iavf_type.h */
391
392 enum iavf_state_t state;
393 enum iavf_state_t last_state;
394 unsigned long crit_section;
395
396 struct delayed_work watchdog_task;
397 bool link_up;
398 enum virtchnl_link_speed link_speed;
399 /* This is only populated if the VIRTCHNL_VF_CAP_ADV_LINK_SPEED is set
400 * in vf_res->vf_cap_flags. Use ADV_LINK_SUPPORT macro to determine if
401 * this field is valid. This field should be used going forward and the
402 * enum virtchnl_link_speed above should be considered the legacy way of
403 * storing/communicating link speeds.
404 */
405 u32 link_speed_mbps;
406
407 enum virtchnl_ops current_op;
408 /* RSS by the PF should be preferred over RSS via other methods. */
409 #define RSS_PF(_a) ((_a)->vf_res->vf_cap_flags & \
410 VIRTCHNL_VF_OFFLOAD_RSS_PF)
411 #define RSS_AQ(_a) ((_a)->vf_res->vf_cap_flags & \
412 VIRTCHNL_VF_OFFLOAD_RSS_AQ)
413 #define RSS_REG(_a) (!((_a)->vf_res->vf_cap_flags & \
414 (VIRTCHNL_VF_OFFLOAD_RSS_AQ | \
415 VIRTCHNL_VF_OFFLOAD_RSS_PF)))
416 #define VLAN_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
417 VIRTCHNL_VF_OFFLOAD_VLAN)
418 #define VLAN_V2_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
419 VIRTCHNL_VF_OFFLOAD_VLAN_V2)
420 #define CRC_OFFLOAD_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
421 VIRTCHNL_VF_OFFLOAD_CRC)
422 #define TC_U32_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
423 VIRTCHNL_VF_OFFLOAD_TC_U32)
424 #define VLAN_V2_FILTERING_ALLOWED(_a) \
425 (VLAN_V2_ALLOWED((_a)) && \
426 ((_a)->vlan_v2_caps.filtering.filtering_support.outer || \
427 (_a)->vlan_v2_caps.filtering.filtering_support.inner))
428 #define VLAN_FILTERING_ALLOWED(_a) \
429 (VLAN_ALLOWED((_a)) || VLAN_V2_FILTERING_ALLOWED((_a)))
430 #define ADV_LINK_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
431 VIRTCHNL_VF_CAP_ADV_LINK_SPEED)
432 #define FDIR_FLTR_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
433 VIRTCHNL_VF_OFFLOAD_FDIR_PF)
434 #define ADV_RSS_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
435 VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF)
436 #define QOS_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
437 VIRTCHNL_VF_OFFLOAD_QOS)
438 #define IAVF_RXDID_ALLOWED(a) \
439 ((a)->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC)
440 #define IAVF_PTP_ALLOWED(a) \
441 ((a)->vf_res->vf_cap_flags & VIRTCHNL_VF_CAP_PTP)
442 struct virtchnl_vf_resource *vf_res; /* incl. all VSIs */
443 struct virtchnl_vsi_resource *vsi_res; /* our LAN VSI */
444 struct virtchnl_version_info pf_version;
445 #define PF_IS_V11(_a) (((_a)->pf_version.major == 1) && \
446 ((_a)->pf_version.minor == 1))
447 struct virtchnl_vlan_caps vlan_v2_caps;
448 u64 supp_rxdids;
449 struct iavf_ptp ptp;
450 u16 msg_enable;
451 struct iavf_eth_stats current_stats;
452 struct virtchnl_qos_cap_list *qos_caps;
453 struct iavf_vsi vsi;
454 u32 aq_wait_count;
455 /* RSS stuff */
456 enum virtchnl_rss_algorithm hfunc;
457 u64 rss_hashcfg;
458 u16 rss_key_size;
459 u16 rss_lut_size;
460 u8 *rss_key;
461 u8 *rss_lut;
462 /* ADQ related members */
463 struct iavf_channel_config ch_config;
464 u8 num_tc;
465 struct list_head cloud_filter_list;
466 /* lock to protect access to the cloud filter list */
467 spinlock_t cloud_filter_list_lock;
468 u16 num_cloud_filters;
469 /* snapshot of "num_active_queues" before setup_tc for qdisc add
470 * is invoked. This information is useful during qdisc del flow,
471 * to restore correct number of queues
472 */
473 int orig_num_active_queues;
474
475 #define IAVF_MAX_FDIR_FILTERS 128 /* max allowed Flow Director filters */
476 u16 fdir_active_fltr;
477 u16 raw_fdir_active_fltr;
478 struct list_head fdir_list_head;
479 spinlock_t fdir_fltr_lock; /* protect the Flow Director filter list */
480
481 struct list_head adv_rss_list_head;
482 spinlock_t adv_rss_lock; /* protect the RSS management list */
483 };
484
485 /* Must be called with fdir_fltr_lock lock held */
iavf_fdir_max_reached(struct iavf_adapter * adapter)486 static inline bool iavf_fdir_max_reached(struct iavf_adapter *adapter)
487 {
488 return adapter->fdir_active_fltr + adapter->raw_fdir_active_fltr >=
489 IAVF_MAX_FDIR_FILTERS;
490 }
491
492 static inline void
iavf_inc_fdir_active_fltr(struct iavf_adapter * adapter,struct iavf_fdir_fltr * fltr)493 iavf_inc_fdir_active_fltr(struct iavf_adapter *adapter,
494 struct iavf_fdir_fltr *fltr)
495 {
496 if (iavf_is_raw_fdir(fltr))
497 adapter->raw_fdir_active_fltr++;
498 else
499 adapter->fdir_active_fltr++;
500 }
501
502 static inline void
iavf_dec_fdir_active_fltr(struct iavf_adapter * adapter,struct iavf_fdir_fltr * fltr)503 iavf_dec_fdir_active_fltr(struct iavf_adapter *adapter,
504 struct iavf_fdir_fltr *fltr)
505 {
506 if (iavf_is_raw_fdir(fltr))
507 adapter->raw_fdir_active_fltr--;
508 else
509 adapter->fdir_active_fltr--;
510 }
511
512 /* Ethtool Private Flags */
513
514 /* needed by iavf_ethtool.c */
515 extern char iavf_driver_name[];
516
iavf_state_str(enum iavf_state_t state)517 static inline const char *iavf_state_str(enum iavf_state_t state)
518 {
519 switch (state) {
520 case __IAVF_STARTUP:
521 return "__IAVF_STARTUP";
522 case __IAVF_REMOVE:
523 return "__IAVF_REMOVE";
524 case __IAVF_INIT_VERSION_CHECK:
525 return "__IAVF_INIT_VERSION_CHECK";
526 case __IAVF_INIT_GET_RESOURCES:
527 return "__IAVF_INIT_GET_RESOURCES";
528 case __IAVF_INIT_EXTENDED_CAPS:
529 return "__IAVF_INIT_EXTENDED_CAPS";
530 case __IAVF_INIT_CONFIG_ADAPTER:
531 return "__IAVF_INIT_CONFIG_ADAPTER";
532 case __IAVF_INIT_SW:
533 return "__IAVF_INIT_SW";
534 case __IAVF_INIT_FAILED:
535 return "__IAVF_INIT_FAILED";
536 case __IAVF_RESETTING:
537 return "__IAVF_RESETTING";
538 case __IAVF_COMM_FAILED:
539 return "__IAVF_COMM_FAILED";
540 case __IAVF_DOWN:
541 return "__IAVF_DOWN";
542 case __IAVF_DOWN_PENDING:
543 return "__IAVF_DOWN_PENDING";
544 case __IAVF_TESTING:
545 return "__IAVF_TESTING";
546 case __IAVF_RUNNING:
547 return "__IAVF_RUNNING";
548 default:
549 return "__IAVF_UNKNOWN_STATE";
550 }
551 }
552
iavf_change_state(struct iavf_adapter * adapter,enum iavf_state_t state)553 static inline void iavf_change_state(struct iavf_adapter *adapter,
554 enum iavf_state_t state)
555 {
556 if (adapter->state != state) {
557 adapter->last_state = adapter->state;
558 adapter->state = state;
559 }
560 dev_dbg(&adapter->pdev->dev,
561 "state transition from:%s to:%s\n",
562 iavf_state_str(adapter->last_state),
563 iavf_state_str(adapter->state));
564 }
565
566 void iavf_down(struct iavf_adapter *adapter);
567 int iavf_process_config(struct iavf_adapter *adapter);
568 int iavf_parse_vf_resource_msg(struct iavf_adapter *adapter);
569 void iavf_schedule_reset(struct iavf_adapter *adapter, u64 flags);
570 void iavf_schedule_aq_request(struct iavf_adapter *adapter, u64 flags);
571 void iavf_schedule_finish_config(struct iavf_adapter *adapter);
572 void iavf_set_ethtool_ops(struct net_device *netdev);
573 void iavf_free_all_tx_resources(struct iavf_adapter *adapter);
574 void iavf_free_all_rx_resources(struct iavf_adapter *adapter);
575
576 int iavf_send_api_ver(struct iavf_adapter *adapter);
577 int iavf_verify_api_ver(struct iavf_adapter *adapter);
578 int iavf_send_vf_config_msg(struct iavf_adapter *adapter);
579 int iavf_get_vf_config(struct iavf_adapter *adapter);
580 int iavf_get_vf_vlan_v2_caps(struct iavf_adapter *adapter);
581 int iavf_send_vf_offload_vlan_v2_msg(struct iavf_adapter *adapter);
582 int iavf_send_vf_supported_rxdids_msg(struct iavf_adapter *adapter);
583 int iavf_get_vf_supported_rxdids(struct iavf_adapter *adapter);
584 int iavf_send_vf_ptp_caps_msg(struct iavf_adapter *adapter);
585 int iavf_get_vf_ptp_caps(struct iavf_adapter *adapter);
586 void iavf_set_queue_vlan_tag_loc(struct iavf_adapter *adapter);
587 u16 iavf_get_num_vlans_added(struct iavf_adapter *adapter);
588 void iavf_irq_enable(struct iavf_adapter *adapter, bool flush);
589 void iavf_configure_queues(struct iavf_adapter *adapter);
590 void iavf_enable_queues(struct iavf_adapter *adapter);
591 void iavf_disable_queues(struct iavf_adapter *adapter);
592 void iavf_map_queues(struct iavf_adapter *adapter);
593 void iavf_add_ether_addrs(struct iavf_adapter *adapter);
594 void iavf_del_ether_addrs(struct iavf_adapter *adapter);
595 void iavf_add_vlans(struct iavf_adapter *adapter);
596 void iavf_del_vlans(struct iavf_adapter *adapter);
597 void iavf_set_promiscuous(struct iavf_adapter *adapter);
598 bool iavf_promiscuous_mode_changed(struct iavf_adapter *adapter);
599 void iavf_request_stats(struct iavf_adapter *adapter);
600 int iavf_request_reset(struct iavf_adapter *adapter);
601 void iavf_get_rss_hashcfg(struct iavf_adapter *adapter);
602 void iavf_set_rss_hashcfg(struct iavf_adapter *adapter);
603 void iavf_set_rss_key(struct iavf_adapter *adapter);
604 void iavf_set_rss_lut(struct iavf_adapter *adapter);
605 void iavf_set_rss_hfunc(struct iavf_adapter *adapter);
606 void iavf_enable_vlan_stripping(struct iavf_adapter *adapter);
607 void iavf_disable_vlan_stripping(struct iavf_adapter *adapter);
608 void iavf_virtchnl_completion(struct iavf_adapter *adapter,
609 enum virtchnl_ops v_opcode,
610 enum iavf_status v_retval, u8 *msg, u16 msglen);
611 int iavf_config_rss(struct iavf_adapter *adapter);
612 void iavf_cfg_queues_bw(struct iavf_adapter *adapter);
613 void iavf_cfg_queues_quanta_size(struct iavf_adapter *adapter);
614 void iavf_get_qos_caps(struct iavf_adapter *adapter);
615 void iavf_enable_channels(struct iavf_adapter *adapter);
616 void iavf_disable_channels(struct iavf_adapter *adapter);
617 void iavf_add_cloud_filter(struct iavf_adapter *adapter);
618 void iavf_del_cloud_filter(struct iavf_adapter *adapter);
619 void iavf_enable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid);
620 void iavf_disable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid);
621 void iavf_enable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid);
622 void iavf_disable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid);
623 void iavf_add_fdir_filter(struct iavf_adapter *adapter);
624 void iavf_del_fdir_filter(struct iavf_adapter *adapter);
625 void iavf_add_adv_rss_cfg(struct iavf_adapter *adapter);
626 void iavf_del_adv_rss_cfg(struct iavf_adapter *adapter);
627 struct iavf_mac_filter *iavf_add_filter(struct iavf_adapter *adapter,
628 const u8 *macaddr);
629 int iavf_wait_for_reset(struct iavf_adapter *adapter);
630 #endif /* _IAVF_H_ */
631