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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
49int iavf_status_to_errno(enum iavf_status status);
50int virtchnl_status_to_errno(enum virtchnl_status_code v_status);
51
52/* VSI state flags shared with common code */
53enum 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 */
60struct 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 */
103struct 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
140struct 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 })
154struct iavf_vlan {
155 u16 vid;
156 u16 tpid;
157};
158
159enum 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
169struct 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 */
177enum 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 */
183struct 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 */
190enum 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! */
198enum 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
216enum 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 */
241struct 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 */
258struct 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 */
462static 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
468static inline void
469iavf_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
478static inline void
479iavf_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 */
491extern char iavf_driver_name[];
492
493static 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
529static 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
542void iavf_down(struct iavf_adapter *adapter);
543int iavf_process_config(struct iavf_adapter *adapter);
544int iavf_parse_vf_resource_msg(struct iavf_adapter *adapter);
545void iavf_schedule_reset(struct iavf_adapter *adapter, u64 flags);
546void iavf_schedule_aq_request(struct iavf_adapter *adapter, u64 flags);
547void iavf_schedule_finish_config(struct iavf_adapter *adapter);
548void iavf_set_ethtool_ops(struct net_device *netdev);
549void iavf_free_all_tx_resources(struct iavf_adapter *adapter);
550void iavf_free_all_rx_resources(struct iavf_adapter *adapter);
551
552int iavf_send_api_ver(struct iavf_adapter *adapter);
553int iavf_verify_api_ver(struct iavf_adapter *adapter);
554int iavf_send_vf_config_msg(struct iavf_adapter *adapter);
555int iavf_get_vf_config(struct iavf_adapter *adapter);
556int iavf_get_vf_vlan_v2_caps(struct iavf_adapter *adapter);
557int iavf_send_vf_offload_vlan_v2_msg(struct iavf_adapter *adapter);
558void iavf_set_queue_vlan_tag_loc(struct iavf_adapter *adapter);
559u16 iavf_get_num_vlans_added(struct iavf_adapter *adapter);
560void iavf_irq_enable(struct iavf_adapter *adapter, bool flush);
561void iavf_configure_queues(struct iavf_adapter *adapter);
562void iavf_enable_queues(struct iavf_adapter *adapter);
563void iavf_disable_queues(struct iavf_adapter *adapter);
564void iavf_map_queues(struct iavf_adapter *adapter);
565void iavf_add_ether_addrs(struct iavf_adapter *adapter);
566void iavf_del_ether_addrs(struct iavf_adapter *adapter);
567void iavf_add_vlans(struct iavf_adapter *adapter);
568void iavf_del_vlans(struct iavf_adapter *adapter);
569void iavf_set_promiscuous(struct iavf_adapter *adapter);
570bool iavf_promiscuous_mode_changed(struct iavf_adapter *adapter);
571void iavf_request_stats(struct iavf_adapter *adapter);
572int iavf_request_reset(struct iavf_adapter *adapter);
573void iavf_get_hena(struct iavf_adapter *adapter);
574void iavf_set_hena(struct iavf_adapter *adapter);
575void iavf_set_rss_key(struct iavf_adapter *adapter);
576void iavf_set_rss_lut(struct iavf_adapter *adapter);
577void iavf_set_rss_hfunc(struct iavf_adapter *adapter);
578void iavf_enable_vlan_stripping(struct iavf_adapter *adapter);
579void iavf_disable_vlan_stripping(struct iavf_adapter *adapter);
580void iavf_virtchnl_completion(struct iavf_adapter *adapter,
581 enum virtchnl_ops v_opcode,
582 enum iavf_status v_retval, u8 *msg, u16 msglen);
583int iavf_config_rss(struct iavf_adapter *adapter);
584void iavf_cfg_queues_bw(struct iavf_adapter *adapter);
585void iavf_cfg_queues_quanta_size(struct iavf_adapter *adapter);
586void iavf_get_qos_caps(struct iavf_adapter *adapter);
587void iavf_enable_channels(struct iavf_adapter *adapter);
588void iavf_disable_channels(struct iavf_adapter *adapter);
589void iavf_add_cloud_filter(struct iavf_adapter *adapter);
590void iavf_del_cloud_filter(struct iavf_adapter *adapter);
591void iavf_enable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid);
592void iavf_disable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid);
593void iavf_enable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid);
594void iavf_disable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid);
595void iavf_add_fdir_filter(struct iavf_adapter *adapter);
596void iavf_del_fdir_filter(struct iavf_adapter *adapter);
597void iavf_add_adv_rss_cfg(struct iavf_adapter *adapter);
598void iavf_del_adv_rss_cfg(struct iavf_adapter *adapter);
599struct iavf_mac_filter *iavf_add_filter(struct iavf_adapter *adapter,
600 const u8 *macaddr);
601int iavf_wait_for_reset(struct iavf_adapter *adapter);
602#endif /* _IAVF_H_ */
1/* SPDX-License-Identifier: GPL-2.0 */
2/* Copyright(c) 2013 - 2018 Intel Corporation. */
3
4#ifndef _IAVF_H_
5#define _IAVF_H_
6
7#include <linux/module.h>
8#include <linux/pci.h>
9#include <linux/aer.h>
10#include <linux/netdevice.h>
11#include <linux/vmalloc.h>
12#include <linux/interrupt.h>
13#include <linux/ethtool.h>
14#include <linux/if_vlan.h>
15#include <linux/ip.h>
16#include <linux/tcp.h>
17#include <linux/sctp.h>
18#include <linux/ipv6.h>
19#include <linux/kernel.h>
20#include <linux/bitops.h>
21#include <linux/timer.h>
22#include <linux/workqueue.h>
23#include <linux/wait.h>
24#include <linux/delay.h>
25#include <linux/gfp.h>
26#include <linux/skbuff.h>
27#include <linux/dma-mapping.h>
28#include <linux/etherdevice.h>
29#include <linux/socket.h>
30#include <linux/jiffies.h>
31#include <net/ip6_checksum.h>
32#include <net/pkt_cls.h>
33#include <net/udp.h>
34#include <net/tc_act/tc_gact.h>
35#include <net/tc_act/tc_mirred.h>
36
37#include "iavf_type.h"
38#include <linux/avf/virtchnl.h>
39#include "iavf_txrx.h"
40
41#define DEFAULT_DEBUG_LEVEL_SHIFT 3
42#define PFX "iavf: "
43
44/* VSI state flags shared with common code */
45enum iavf_vsi_state_t {
46 __IAVF_VSI_DOWN,
47 /* This must be last as it determines the size of the BITMAP */
48 __IAVF_VSI_STATE_SIZE__,
49};
50
51/* dummy struct to make common code less painful */
52struct iavf_vsi {
53 struct iavf_adapter *back;
54 struct net_device *netdev;
55 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
56 u16 seid;
57 u16 id;
58 DECLARE_BITMAP(state, __IAVF_VSI_STATE_SIZE__);
59 int base_vector;
60 u16 work_limit;
61 u16 qs_handle;
62 void *priv; /* client driver data reference. */
63};
64
65/* How many Rx Buffers do we bundle into one write to the hardware ? */
66#define IAVF_RX_BUFFER_WRITE 16 /* Must be power of 2 */
67#define IAVF_DEFAULT_TXD 512
68#define IAVF_DEFAULT_RXD 512
69#define IAVF_MAX_TXD 4096
70#define IAVF_MIN_TXD 64
71#define IAVF_MAX_RXD 4096
72#define IAVF_MIN_RXD 64
73#define IAVF_REQ_DESCRIPTOR_MULTIPLE 32
74#define IAVF_MAX_AQ_BUF_SIZE 4096
75#define IAVF_AQ_LEN 32
76#define IAVF_AQ_MAX_ERR 20 /* times to try before resetting AQ */
77
78#define MAXIMUM_ETHERNET_VLAN_SIZE (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN)
79
80#define IAVF_RX_DESC(R, i) (&(((union iavf_32byte_rx_desc *)((R)->desc))[i]))
81#define IAVF_TX_DESC(R, i) (&(((struct iavf_tx_desc *)((R)->desc))[i]))
82#define IAVF_TX_CTXTDESC(R, i) \
83 (&(((struct iavf_tx_context_desc *)((R)->desc))[i]))
84#define IAVF_MAX_REQ_QUEUES 16
85
86#define IAVF_HKEY_ARRAY_SIZE ((IAVF_VFQF_HKEY_MAX_INDEX + 1) * 4)
87#define IAVF_HLUT_ARRAY_SIZE ((IAVF_VFQF_HLUT_MAX_INDEX + 1) * 4)
88#define IAVF_MBPS_DIVISOR 125000 /* divisor to convert to Mbps */
89
90#define IAVF_VIRTCHNL_VF_RESOURCE_SIZE (sizeof(struct virtchnl_vf_resource) + \
91 (IAVF_MAX_VF_VSI * \
92 sizeof(struct virtchnl_vsi_resource)))
93
94/* MAX_MSIX_Q_VECTORS of these are allocated,
95 * but we only use one per queue-specific vector.
96 */
97struct iavf_q_vector {
98 struct iavf_adapter *adapter;
99 struct iavf_vsi *vsi;
100 struct napi_struct napi;
101 struct iavf_ring_container rx;
102 struct iavf_ring_container tx;
103 u32 ring_mask;
104 u8 itr_countdown; /* when 0 should adjust adaptive ITR */
105 u8 num_ringpairs; /* total number of ring pairs in vector */
106 u16 v_idx; /* index in the vsi->q_vector array. */
107 u16 reg_idx; /* register index of the interrupt */
108 char name[IFNAMSIZ + 15];
109 bool arm_wb_state;
110 cpumask_t affinity_mask;
111 struct irq_affinity_notify affinity_notify;
112};
113
114/* Helper macros to switch between ints/sec and what the register uses.
115 * And yes, it's the same math going both ways. The lowest value
116 * supported by all of the iavf hardware is 8.
117 */
118#define EITR_INTS_PER_SEC_TO_REG(_eitr) \
119 ((_eitr) ? (1000000000 / ((_eitr) * 256)) : 8)
120#define EITR_REG_TO_INTS_PER_SEC EITR_INTS_PER_SEC_TO_REG
121
122#define IAVF_DESC_UNUSED(R) \
123 ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
124 (R)->next_to_clean - (R)->next_to_use - 1)
125
126#define OTHER_VECTOR 1
127#define NONQ_VECS (OTHER_VECTOR)
128
129#define MIN_MSIX_Q_VECTORS 1
130#define MIN_MSIX_COUNT (MIN_MSIX_Q_VECTORS + NONQ_VECS)
131
132#define IAVF_QUEUE_END_OF_LIST 0x7FF
133#define IAVF_FREE_VECTOR 0x7FFF
134struct iavf_mac_filter {
135 struct list_head list;
136 u8 macaddr[ETH_ALEN];
137 bool remove; /* filter needs to be removed */
138 bool add; /* filter needs to be added */
139};
140
141struct iavf_vlan_filter {
142 struct list_head list;
143 u16 vlan;
144 bool remove; /* filter needs to be removed */
145 bool add; /* filter needs to be added */
146};
147
148#define IAVF_MAX_TRAFFIC_CLASS 4
149/* State of traffic class creation */
150enum iavf_tc_state_t {
151 __IAVF_TC_INVALID, /* no traffic class, default state */
152 __IAVF_TC_RUNNING, /* traffic classes have been created */
153};
154
155/* channel info */
156struct iavf_channel_config {
157 struct virtchnl_channel_info ch_info[IAVF_MAX_TRAFFIC_CLASS];
158 enum iavf_tc_state_t state;
159 u8 total_qps;
160};
161
162/* State of cloud filter */
163enum iavf_cloud_filter_state_t {
164 __IAVF_CF_INVALID, /* cloud filter not added */
165 __IAVF_CF_ADD_PENDING, /* cloud filter pending add by the PF */
166 __IAVF_CF_DEL_PENDING, /* cloud filter pending del by the PF */
167 __IAVF_CF_ACTIVE, /* cloud filter is active */
168};
169
170/* Driver state. The order of these is important! */
171enum iavf_state_t {
172 __IAVF_STARTUP, /* driver loaded, probe complete */
173 __IAVF_REMOVE, /* driver is being unloaded */
174 __IAVF_INIT_VERSION_CHECK, /* aq msg sent, awaiting reply */
175 __IAVF_INIT_GET_RESOURCES, /* aq msg sent, awaiting reply */
176 __IAVF_INIT_SW, /* got resources, setting up structs */
177 __IAVF_RESETTING, /* in reset */
178 __IAVF_COMM_FAILED, /* communication with PF failed */
179 /* Below here, watchdog is running */
180 __IAVF_DOWN, /* ready, can be opened */
181 __IAVF_DOWN_PENDING, /* descending, waiting for watchdog */
182 __IAVF_TESTING, /* in ethtool self-test */
183 __IAVF_RUNNING, /* opened, working */
184};
185
186enum iavf_critical_section_t {
187 __IAVF_IN_CRITICAL_TASK, /* cannot be interrupted */
188 __IAVF_IN_CLIENT_TASK,
189 __IAVF_IN_REMOVE_TASK, /* device being removed */
190};
191
192#define IAVF_CLOUD_FIELD_OMAC 0x01
193#define IAVF_CLOUD_FIELD_IMAC 0x02
194#define IAVF_CLOUD_FIELD_IVLAN 0x04
195#define IAVF_CLOUD_FIELD_TEN_ID 0x08
196#define IAVF_CLOUD_FIELD_IIP 0x10
197
198#define IAVF_CF_FLAGS_OMAC IAVF_CLOUD_FIELD_OMAC
199#define IAVF_CF_FLAGS_IMAC IAVF_CLOUD_FIELD_IMAC
200#define IAVF_CF_FLAGS_IMAC_IVLAN (IAVF_CLOUD_FIELD_IMAC |\
201 IAVF_CLOUD_FIELD_IVLAN)
202#define IAVF_CF_FLAGS_IMAC_TEN_ID (IAVF_CLOUD_FIELD_IMAC |\
203 IAVF_CLOUD_FIELD_TEN_ID)
204#define IAVF_CF_FLAGS_OMAC_TEN_ID_IMAC (IAVF_CLOUD_FIELD_OMAC |\
205 IAVF_CLOUD_FIELD_IMAC |\
206 IAVF_CLOUD_FIELD_TEN_ID)
207#define IAVF_CF_FLAGS_IMAC_IVLAN_TEN_ID (IAVF_CLOUD_FIELD_IMAC |\
208 IAVF_CLOUD_FIELD_IVLAN |\
209 IAVF_CLOUD_FIELD_TEN_ID)
210#define IAVF_CF_FLAGS_IIP IAVF_CLOUD_FIELD_IIP
211
212/* bookkeeping of cloud filters */
213struct iavf_cloud_filter {
214 enum iavf_cloud_filter_state_t state;
215 struct list_head list;
216 struct virtchnl_filter f;
217 unsigned long cookie;
218 bool del; /* filter needs to be deleted */
219 bool add; /* filter needs to be added */
220};
221
222#define IAVF_RESET_WAIT_MS 10
223#define IAVF_RESET_WAIT_DETECTED_COUNT 500
224#define IAVF_RESET_WAIT_COMPLETE_COUNT 2000
225
226/* board specific private data structure */
227struct iavf_adapter {
228 struct work_struct reset_task;
229 struct work_struct adminq_task;
230 struct delayed_work client_task;
231 struct delayed_work init_task;
232 wait_queue_head_t down_waitqueue;
233 struct iavf_q_vector *q_vectors;
234 struct list_head vlan_filter_list;
235 struct list_head mac_filter_list;
236 /* Lock to protect accesses to MAC and VLAN lists */
237 spinlock_t mac_vlan_list_lock;
238 char misc_vector_name[IFNAMSIZ + 9];
239 int num_active_queues;
240 int num_req_queues;
241
242 /* TX */
243 struct iavf_ring *tx_rings;
244 u32 tx_timeout_count;
245 u32 tx_desc_count;
246
247 /* RX */
248 struct iavf_ring *rx_rings;
249 u64 hw_csum_rx_error;
250 u32 rx_desc_count;
251 int num_msix_vectors;
252 int num_iwarp_msix;
253 int iwarp_base_vector;
254 u32 client_pending;
255 struct iavf_client_instance *cinst;
256 struct msix_entry *msix_entries;
257
258 u32 flags;
259#define IAVF_FLAG_RX_CSUM_ENABLED BIT(0)
260#define IAVF_FLAG_PF_COMMS_FAILED BIT(3)
261#define IAVF_FLAG_RESET_PENDING BIT(4)
262#define IAVF_FLAG_RESET_NEEDED BIT(5)
263#define IAVF_FLAG_WB_ON_ITR_CAPABLE BIT(6)
264#define IAVF_FLAG_SERVICE_CLIENT_REQUESTED BIT(9)
265#define IAVF_FLAG_CLIENT_NEEDS_OPEN BIT(10)
266#define IAVF_FLAG_CLIENT_NEEDS_CLOSE BIT(11)
267#define IAVF_FLAG_CLIENT_NEEDS_L2_PARAMS BIT(12)
268#define IAVF_FLAG_PROMISC_ON BIT(13)
269#define IAVF_FLAG_ALLMULTI_ON BIT(14)
270#define IAVF_FLAG_LEGACY_RX BIT(15)
271#define IAVF_FLAG_REINIT_ITR_NEEDED BIT(16)
272#define IAVF_FLAG_QUEUES_DISABLED BIT(17)
273/* duplicates for common code */
274#define IAVF_FLAG_DCB_ENABLED 0
275 /* flags for admin queue service task */
276 u32 aq_required;
277#define IAVF_FLAG_AQ_ENABLE_QUEUES BIT(0)
278#define IAVF_FLAG_AQ_DISABLE_QUEUES BIT(1)
279#define IAVF_FLAG_AQ_ADD_MAC_FILTER BIT(2)
280#define IAVF_FLAG_AQ_ADD_VLAN_FILTER BIT(3)
281#define IAVF_FLAG_AQ_DEL_MAC_FILTER BIT(4)
282#define IAVF_FLAG_AQ_DEL_VLAN_FILTER BIT(5)
283#define IAVF_FLAG_AQ_CONFIGURE_QUEUES BIT(6)
284#define IAVF_FLAG_AQ_MAP_VECTORS BIT(7)
285#define IAVF_FLAG_AQ_HANDLE_RESET BIT(8)
286#define IAVF_FLAG_AQ_CONFIGURE_RSS BIT(9) /* direct AQ config */
287#define IAVF_FLAG_AQ_GET_CONFIG BIT(10)
288/* Newer style, RSS done by the PF so we can ignore hardware vagaries. */
289#define IAVF_FLAG_AQ_GET_HENA BIT(11)
290#define IAVF_FLAG_AQ_SET_HENA BIT(12)
291#define IAVF_FLAG_AQ_SET_RSS_KEY BIT(13)
292#define IAVF_FLAG_AQ_SET_RSS_LUT BIT(14)
293#define IAVF_FLAG_AQ_REQUEST_PROMISC BIT(15)
294#define IAVF_FLAG_AQ_RELEASE_PROMISC BIT(16)
295#define IAVF_FLAG_AQ_REQUEST_ALLMULTI BIT(17)
296#define IAVF_FLAG_AQ_RELEASE_ALLMULTI BIT(18)
297#define IAVF_FLAG_AQ_ENABLE_VLAN_STRIPPING BIT(19)
298#define IAVF_FLAG_AQ_DISABLE_VLAN_STRIPPING BIT(20)
299#define IAVF_FLAG_AQ_ENABLE_CHANNELS BIT(21)
300#define IAVF_FLAG_AQ_DISABLE_CHANNELS BIT(22)
301#define IAVF_FLAG_AQ_ADD_CLOUD_FILTER BIT(23)
302#define IAVF_FLAG_AQ_DEL_CLOUD_FILTER BIT(24)
303
304 /* OS defined structs */
305 struct net_device *netdev;
306 struct pci_dev *pdev;
307
308 struct iavf_hw hw; /* defined in iavf_type.h */
309
310 enum iavf_state_t state;
311 unsigned long crit_section;
312
313 struct delayed_work watchdog_task;
314 bool netdev_registered;
315 bool link_up;
316 enum virtchnl_link_speed link_speed;
317 /* This is only populated if the VIRTCHNL_VF_CAP_ADV_LINK_SPEED is set
318 * in vf_res->vf_cap_flags. Use ADV_LINK_SUPPORT macro to determine if
319 * this field is valid. This field should be used going forward and the
320 * enum virtchnl_link_speed above should be considered the legacy way of
321 * storing/communicating link speeds.
322 */
323 u32 link_speed_mbps;
324
325 enum virtchnl_ops current_op;
326#define CLIENT_ALLOWED(_a) ((_a)->vf_res ? \
327 (_a)->vf_res->vf_cap_flags & \
328 VIRTCHNL_VF_OFFLOAD_IWARP : \
329 0)
330#define CLIENT_ENABLED(_a) ((_a)->cinst)
331/* RSS by the PF should be preferred over RSS via other methods. */
332#define RSS_PF(_a) ((_a)->vf_res->vf_cap_flags & \
333 VIRTCHNL_VF_OFFLOAD_RSS_PF)
334#define RSS_AQ(_a) ((_a)->vf_res->vf_cap_flags & \
335 VIRTCHNL_VF_OFFLOAD_RSS_AQ)
336#define RSS_REG(_a) (!((_a)->vf_res->vf_cap_flags & \
337 (VIRTCHNL_VF_OFFLOAD_RSS_AQ | \
338 VIRTCHNL_VF_OFFLOAD_RSS_PF)))
339#define VLAN_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
340 VIRTCHNL_VF_OFFLOAD_VLAN)
341#define ADV_LINK_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
342 VIRTCHNL_VF_CAP_ADV_LINK_SPEED)
343 struct virtchnl_vf_resource *vf_res; /* incl. all VSIs */
344 struct virtchnl_vsi_resource *vsi_res; /* our LAN VSI */
345 struct virtchnl_version_info pf_version;
346#define PF_IS_V11(_a) (((_a)->pf_version.major == 1) && \
347 ((_a)->pf_version.minor == 1))
348 u16 msg_enable;
349 struct iavf_eth_stats current_stats;
350 struct iavf_vsi vsi;
351 u32 aq_wait_count;
352 /* RSS stuff */
353 u64 hena;
354 u16 rss_key_size;
355 u16 rss_lut_size;
356 u8 *rss_key;
357 u8 *rss_lut;
358 /* ADQ related members */
359 struct iavf_channel_config ch_config;
360 u8 num_tc;
361 struct list_head cloud_filter_list;
362 /* lock to protect access to the cloud filter list */
363 spinlock_t cloud_filter_list_lock;
364 u16 num_cloud_filters;
365};
366
367
368/* Ethtool Private Flags */
369
370/* lan device, used by client interface */
371struct iavf_device {
372 struct list_head list;
373 struct iavf_adapter *vf;
374};
375
376/* needed by iavf_ethtool.c */
377extern char iavf_driver_name[];
378extern struct workqueue_struct *iavf_wq;
379
380int iavf_up(struct iavf_adapter *adapter);
381void iavf_down(struct iavf_adapter *adapter);
382int iavf_process_config(struct iavf_adapter *adapter);
383void iavf_schedule_reset(struct iavf_adapter *adapter);
384void iavf_reset(struct iavf_adapter *adapter);
385void iavf_set_ethtool_ops(struct net_device *netdev);
386void iavf_update_stats(struct iavf_adapter *adapter);
387void iavf_reset_interrupt_capability(struct iavf_adapter *adapter);
388int iavf_init_interrupt_scheme(struct iavf_adapter *adapter);
389void iavf_irq_enable_queues(struct iavf_adapter *adapter, u32 mask);
390void iavf_free_all_tx_resources(struct iavf_adapter *adapter);
391void iavf_free_all_rx_resources(struct iavf_adapter *adapter);
392
393void iavf_napi_add_all(struct iavf_adapter *adapter);
394void iavf_napi_del_all(struct iavf_adapter *adapter);
395
396int iavf_send_api_ver(struct iavf_adapter *adapter);
397int iavf_verify_api_ver(struct iavf_adapter *adapter);
398int iavf_send_vf_config_msg(struct iavf_adapter *adapter);
399int iavf_get_vf_config(struct iavf_adapter *adapter);
400void iavf_irq_enable(struct iavf_adapter *adapter, bool flush);
401void iavf_configure_queues(struct iavf_adapter *adapter);
402void iavf_deconfigure_queues(struct iavf_adapter *adapter);
403void iavf_enable_queues(struct iavf_adapter *adapter);
404void iavf_disable_queues(struct iavf_adapter *adapter);
405void iavf_map_queues(struct iavf_adapter *adapter);
406int iavf_request_queues(struct iavf_adapter *adapter, int num);
407void iavf_add_ether_addrs(struct iavf_adapter *adapter);
408void iavf_del_ether_addrs(struct iavf_adapter *adapter);
409void iavf_add_vlans(struct iavf_adapter *adapter);
410void iavf_del_vlans(struct iavf_adapter *adapter);
411void iavf_set_promiscuous(struct iavf_adapter *adapter, int flags);
412void iavf_request_stats(struct iavf_adapter *adapter);
413void iavf_request_reset(struct iavf_adapter *adapter);
414void iavf_get_hena(struct iavf_adapter *adapter);
415void iavf_set_hena(struct iavf_adapter *adapter);
416void iavf_set_rss_key(struct iavf_adapter *adapter);
417void iavf_set_rss_lut(struct iavf_adapter *adapter);
418void iavf_enable_vlan_stripping(struct iavf_adapter *adapter);
419void iavf_disable_vlan_stripping(struct iavf_adapter *adapter);
420void iavf_virtchnl_completion(struct iavf_adapter *adapter,
421 enum virtchnl_ops v_opcode,
422 enum iavf_status v_retval, u8 *msg, u16 msglen);
423int iavf_config_rss(struct iavf_adapter *adapter);
424int iavf_lan_add_device(struct iavf_adapter *adapter);
425int iavf_lan_del_device(struct iavf_adapter *adapter);
426void iavf_client_subtask(struct iavf_adapter *adapter);
427void iavf_notify_client_message(struct iavf_vsi *vsi, u8 *msg, u16 len);
428void iavf_notify_client_l2_params(struct iavf_vsi *vsi);
429void iavf_notify_client_open(struct iavf_vsi *vsi);
430void iavf_notify_client_close(struct iavf_vsi *vsi, bool reset);
431void iavf_enable_channels(struct iavf_adapter *adapter);
432void iavf_disable_channels(struct iavf_adapter *adapter);
433void iavf_add_cloud_filter(struct iavf_adapter *adapter);
434void iavf_del_cloud_filter(struct iavf_adapter *adapter);
435struct iavf_mac_filter *iavf_add_filter(struct iavf_adapter *adapter,
436 const u8 *macaddr);
437#endif /* _IAVF_H_ */