xref: /linux/drivers/net/ethernet/intel/iavf/iavf.h (revision 59fff63cc2b75dcfe08f9eeb4b2187d73e53843d)
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 };
67 
68 /* How many Rx Buffers do we bundle into one write to the hardware ? */
69 #define IAVF_RX_BUFFER_WRITE	16	/* Must be power of 2 */
70 #define IAVF_DEFAULT_TXD	512
71 #define IAVF_DEFAULT_RXD	512
72 #define IAVF_MAX_TXD		4096
73 #define IAVF_MIN_TXD		64
74 #define IAVF_MAX_RXD		4096
75 #define IAVF_MIN_RXD		64
76 #define IAVF_REQ_DESCRIPTOR_MULTIPLE	32
77 #define IAVF_MAX_AQ_BUF_SIZE	4096
78 #define IAVF_AQ_LEN		32
79 #define IAVF_AQ_MAX_ERR	20 /* times to try before resetting AQ */
80 
81 #define MAXIMUM_ETHERNET_VLAN_SIZE (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN)
82 
83 #define IAVF_RX_DESC(R, i) (&(((union iavf_32byte_rx_desc *)((R)->desc))[i]))
84 #define IAVF_TX_DESC(R, i) (&(((struct iavf_tx_desc *)((R)->desc))[i]))
85 #define IAVF_TX_CTXTDESC(R, i) \
86 	(&(((struct iavf_tx_context_desc *)((R)->desc))[i]))
87 #define IAVF_MAX_REQ_QUEUES 16
88 
89 #define IAVF_HKEY_ARRAY_SIZE ((IAVF_VFQF_HKEY_MAX_INDEX + 1) * 4)
90 #define IAVF_HLUT_ARRAY_SIZE ((IAVF_VFQF_HLUT_MAX_INDEX + 1) * 4)
91 #define IAVF_MBPS_DIVISOR	125000 /* divisor to convert to Mbps */
92 #define IAVF_MBPS_QUANTA	50
93 
94 #define IAVF_VIRTCHNL_VF_RESOURCE_SIZE					\
95 	virtchnl_struct_size((struct virtchnl_vf_resource *)NULL,	\
96 			     vsi_res, IAVF_MAX_VF_VSI)
97 
98 /* MAX_MSIX_Q_VECTORS of these are allocated,
99  * but we only use one per queue-specific vector.
100  */
101 struct iavf_q_vector {
102 	struct iavf_adapter *adapter;
103 	struct iavf_vsi *vsi;
104 	struct napi_struct napi;
105 	struct iavf_ring_container rx;
106 	struct iavf_ring_container tx;
107 	u32 ring_mask;
108 	u8 itr_countdown;	/* when 0 should adjust adaptive ITR */
109 	u8 num_ringpairs;	/* total number of ring pairs in vector */
110 	u16 v_idx;		/* index in the vsi->q_vector array. */
111 	u16 reg_idx;		/* register index of the interrupt */
112 	char name[IFNAMSIZ + 15];
113 	bool arm_wb_state;
114 	cpumask_t affinity_mask;
115 	struct irq_affinity_notify affinity_notify;
116 };
117 
118 /* Helper macros to switch between ints/sec and what the register uses.
119  * And yes, it's the same math going both ways.  The lowest value
120  * supported by all of the iavf hardware is 8.
121  */
122 #define EITR_INTS_PER_SEC_TO_REG(_eitr) \
123 	((_eitr) ? (1000000000 / ((_eitr) * 256)) : 8)
124 #define EITR_REG_TO_INTS_PER_SEC EITR_INTS_PER_SEC_TO_REG
125 
126 #define IAVF_DESC_UNUSED(R) \
127 	((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
128 	(R)->next_to_clean - (R)->next_to_use - 1)
129 
130 #define OTHER_VECTOR 1
131 #define NONQ_VECS (OTHER_VECTOR)
132 
133 #define MIN_MSIX_Q_VECTORS 1
134 #define MIN_MSIX_COUNT (MIN_MSIX_Q_VECTORS + NONQ_VECS)
135 
136 #define IAVF_QUEUE_END_OF_LIST 0x7FF
137 #define IAVF_FREE_VECTOR 0x7FFF
138 struct iavf_mac_filter {
139 	struct list_head list;
140 	u8 macaddr[ETH_ALEN];
141 	struct {
142 		u8 is_new_mac:1;    /* filter is new, wait for PF decision */
143 		u8 remove:1;        /* filter needs to be removed */
144 		u8 add:1;           /* filter needs to be added */
145 		u8 is_primary:1;    /* filter is a default VF MAC */
146 		u8 add_handled:1;   /* received response for filter add */
147 		u8 padding:3;
148 	};
149 };
150 
151 #define IAVF_VLAN(vid, tpid) ((struct iavf_vlan){ vid, tpid })
152 struct iavf_vlan {
153 	u16 vid;
154 	u16 tpid;
155 };
156 
157 enum iavf_vlan_state_t {
158 	IAVF_VLAN_INVALID,
159 	IAVF_VLAN_ADD,		/* filter needs to be added */
160 	IAVF_VLAN_IS_NEW,	/* filter is new, wait for PF answer */
161 	IAVF_VLAN_ACTIVE,	/* filter is accepted by PF */
162 	IAVF_VLAN_DISABLE,	/* filter needs to be deleted by PF, then marked INACTIVE */
163 	IAVF_VLAN_INACTIVE,	/* filter is inactive, we are in IFF_DOWN */
164 	IAVF_VLAN_REMOVE,	/* filter needs to be removed from list */
165 };
166 
167 struct iavf_vlan_filter {
168 	struct list_head list;
169 	struct iavf_vlan vlan;
170 	enum iavf_vlan_state_t state;
171 };
172 
173 #define IAVF_MAX_TRAFFIC_CLASS	4
174 /* State of traffic class creation */
175 enum iavf_tc_state_t {
176 	__IAVF_TC_INVALID, /* no traffic class, default state */
177 	__IAVF_TC_RUNNING, /* traffic classes have been created */
178 };
179 
180 /* channel info */
181 struct iavf_channel_config {
182 	struct virtchnl_channel_info ch_info[IAVF_MAX_TRAFFIC_CLASS];
183 	enum iavf_tc_state_t state;
184 	u8 total_qps;
185 };
186 
187 /* State of cloud filter */
188 enum iavf_cloud_filter_state_t {
189 	__IAVF_CF_INVALID,	 /* cloud filter not added */
190 	__IAVF_CF_ADD_PENDING, /* cloud filter pending add by the PF */
191 	__IAVF_CF_DEL_PENDING, /* cloud filter pending del by the PF */
192 	__IAVF_CF_ACTIVE,	 /* cloud filter is active */
193 };
194 
195 /* Driver state. The order of these is important! */
196 enum iavf_state_t {
197 	__IAVF_STARTUP,		/* driver loaded, probe complete */
198 	__IAVF_REMOVE,		/* driver is being unloaded */
199 	__IAVF_INIT_VERSION_CHECK,	/* aq msg sent, awaiting reply */
200 	__IAVF_INIT_GET_RESOURCES,	/* aq msg sent, awaiting reply */
201 	__IAVF_INIT_EXTENDED_CAPS,	/* process extended caps which require aq msg exchange */
202 	__IAVF_INIT_CONFIG_ADAPTER,
203 	__IAVF_INIT_SW,		/* got resources, setting up structs */
204 	__IAVF_INIT_FAILED,	/* init failed, restarting procedure */
205 	__IAVF_RESETTING,		/* in reset */
206 	__IAVF_COMM_FAILED,		/* communication with PF failed */
207 	/* Below here, watchdog is running */
208 	__IAVF_DOWN,			/* ready, can be opened */
209 	__IAVF_DOWN_PENDING,		/* descending, waiting for watchdog */
210 	__IAVF_TESTING,		/* in ethtool self-test */
211 	__IAVF_RUNNING,		/* opened, working */
212 };
213 
214 enum iavf_critical_section_t {
215 	__IAVF_IN_REMOVE_TASK,	/* device being removed */
216 };
217 
218 #define IAVF_CLOUD_FIELD_OMAC		0x01
219 #define IAVF_CLOUD_FIELD_IMAC		0x02
220 #define IAVF_CLOUD_FIELD_IVLAN	0x04
221 #define IAVF_CLOUD_FIELD_TEN_ID	0x08
222 #define IAVF_CLOUD_FIELD_IIP		0x10
223 
224 #define IAVF_CF_FLAGS_OMAC	IAVF_CLOUD_FIELD_OMAC
225 #define IAVF_CF_FLAGS_IMAC	IAVF_CLOUD_FIELD_IMAC
226 #define IAVF_CF_FLAGS_IMAC_IVLAN	(IAVF_CLOUD_FIELD_IMAC |\
227 					 IAVF_CLOUD_FIELD_IVLAN)
228 #define IAVF_CF_FLAGS_IMAC_TEN_ID	(IAVF_CLOUD_FIELD_IMAC |\
229 					 IAVF_CLOUD_FIELD_TEN_ID)
230 #define IAVF_CF_FLAGS_OMAC_TEN_ID_IMAC	(IAVF_CLOUD_FIELD_OMAC |\
231 						 IAVF_CLOUD_FIELD_IMAC |\
232 						 IAVF_CLOUD_FIELD_TEN_ID)
233 #define IAVF_CF_FLAGS_IMAC_IVLAN_TEN_ID	(IAVF_CLOUD_FIELD_IMAC |\
234 						 IAVF_CLOUD_FIELD_IVLAN |\
235 						 IAVF_CLOUD_FIELD_TEN_ID)
236 #define IAVF_CF_FLAGS_IIP	IAVF_CLOUD_FIELD_IIP
237 
238 /* bookkeeping of cloud filters */
239 struct iavf_cloud_filter {
240 	enum iavf_cloud_filter_state_t state;
241 	struct list_head list;
242 	struct virtchnl_filter f;
243 	unsigned long cookie;
244 	bool del;		/* filter needs to be deleted */
245 	bool add;		/* filter needs to be added */
246 };
247 
248 #define IAVF_RESET_WAIT_MS 10
249 #define IAVF_RESET_WAIT_DETECTED_COUNT 500
250 #define IAVF_RESET_WAIT_COMPLETE_COUNT 2000
251 
252 /* board specific private data structure */
253 struct iavf_adapter {
254 	struct workqueue_struct *wq;
255 	struct work_struct reset_task;
256 	struct work_struct adminq_task;
257 	struct work_struct finish_config;
258 	wait_queue_head_t down_waitqueue;
259 	wait_queue_head_t reset_waitqueue;
260 	wait_queue_head_t vc_waitqueue;
261 	struct iavf_q_vector *q_vectors;
262 	struct list_head vlan_filter_list;
263 	int num_vlan_filters;
264 	struct list_head mac_filter_list;
265 	struct mutex crit_lock;
266 	/* Lock to protect accesses to MAC and VLAN lists */
267 	spinlock_t mac_vlan_list_lock;
268 	char misc_vector_name[IFNAMSIZ + 9];
269 	int num_active_queues;
270 	int num_req_queues;
271 
272 	/* TX */
273 	struct iavf_ring *tx_rings;
274 	u32 tx_timeout_count;
275 	u32 tx_desc_count;
276 
277 	/* RX */
278 	struct iavf_ring *rx_rings;
279 	u64 hw_csum_rx_error;
280 	u32 rx_desc_count;
281 	int num_msix_vectors;
282 	struct msix_entry *msix_entries;
283 
284 	u32 flags;
285 #define IAVF_FLAG_RX_CSUM_ENABLED		BIT(0)
286 #define IAVF_FLAG_PF_COMMS_FAILED		BIT(3)
287 #define IAVF_FLAG_RESET_PENDING		BIT(4)
288 #define IAVF_FLAG_RESET_NEEDED		BIT(5)
289 #define IAVF_FLAG_WB_ON_ITR_CAPABLE		BIT(6)
290 #define IAVF_FLAG_LEGACY_RX			BIT(15)
291 #define IAVF_FLAG_REINIT_ITR_NEEDED		BIT(16)
292 #define IAVF_FLAG_QUEUES_DISABLED		BIT(17)
293 #define IAVF_FLAG_SETUP_NETDEV_FEATURES		BIT(18)
294 #define IAVF_FLAG_REINIT_MSIX_NEEDED		BIT(20)
295 /* duplicates for common code */
296 #define IAVF_FLAG_DCB_ENABLED			0
297 	/* flags for admin queue service task */
298 	u64 aq_required;
299 #define IAVF_FLAG_AQ_ENABLE_QUEUES		BIT_ULL(0)
300 #define IAVF_FLAG_AQ_DISABLE_QUEUES		BIT_ULL(1)
301 #define IAVF_FLAG_AQ_ADD_MAC_FILTER		BIT_ULL(2)
302 #define IAVF_FLAG_AQ_ADD_VLAN_FILTER		BIT_ULL(3)
303 #define IAVF_FLAG_AQ_DEL_MAC_FILTER		BIT_ULL(4)
304 #define IAVF_FLAG_AQ_DEL_VLAN_FILTER		BIT_ULL(5)
305 #define IAVF_FLAG_AQ_CONFIGURE_QUEUES		BIT_ULL(6)
306 #define IAVF_FLAG_AQ_MAP_VECTORS		BIT_ULL(7)
307 #define IAVF_FLAG_AQ_HANDLE_RESET		BIT_ULL(8)
308 #define IAVF_FLAG_AQ_CONFIGURE_RSS		BIT_ULL(9) /* direct AQ config */
309 #define IAVF_FLAG_AQ_GET_CONFIG			BIT_ULL(10)
310 /* Newer style, RSS done by the PF so we can ignore hardware vagaries. */
311 #define IAVF_FLAG_AQ_GET_HENA			BIT_ULL(11)
312 #define IAVF_FLAG_AQ_SET_HENA			BIT_ULL(12)
313 #define IAVF_FLAG_AQ_SET_RSS_KEY		BIT_ULL(13)
314 #define IAVF_FLAG_AQ_SET_RSS_LUT		BIT_ULL(14)
315 #define IAVF_FLAG_AQ_CONFIGURE_PROMISC_MODE	BIT_ULL(15)
316 #define IAVF_FLAG_AQ_ENABLE_VLAN_STRIPPING	BIT_ULL(19)
317 #define IAVF_FLAG_AQ_DISABLE_VLAN_STRIPPING	BIT_ULL(20)
318 #define IAVF_FLAG_AQ_ENABLE_CHANNELS		BIT_ULL(21)
319 #define IAVF_FLAG_AQ_DISABLE_CHANNELS		BIT_ULL(22)
320 #define IAVF_FLAG_AQ_ADD_CLOUD_FILTER		BIT_ULL(23)
321 #define IAVF_FLAG_AQ_DEL_CLOUD_FILTER		BIT_ULL(24)
322 #define IAVF_FLAG_AQ_ADD_FDIR_FILTER		BIT_ULL(25)
323 #define IAVF_FLAG_AQ_DEL_FDIR_FILTER		BIT_ULL(26)
324 #define IAVF_FLAG_AQ_ADD_ADV_RSS_CFG		BIT_ULL(27)
325 #define IAVF_FLAG_AQ_DEL_ADV_RSS_CFG		BIT_ULL(28)
326 #define IAVF_FLAG_AQ_REQUEST_STATS		BIT_ULL(29)
327 #define IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS	BIT_ULL(30)
328 #define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_STRIPPING		BIT_ULL(31)
329 #define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_STRIPPING	BIT_ULL(32)
330 #define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_STRIPPING		BIT_ULL(33)
331 #define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_STRIPPING	BIT_ULL(34)
332 #define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_INSERTION		BIT_ULL(35)
333 #define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_INSERTION	BIT_ULL(36)
334 #define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_INSERTION		BIT_ULL(37)
335 #define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_INSERTION	BIT_ULL(38)
336 
337 	/* flags for processing extended capability messages during
338 	 * __IAVF_INIT_EXTENDED_CAPS. Each capability exchange requires
339 	 * both a SEND and a RECV step, which must be processed in sequence.
340 	 *
341 	 * During the __IAVF_INIT_EXTENDED_CAPS state, the driver will
342 	 * process one flag at a time during each state loop.
343 	 */
344 	u64 extended_caps;
345 #define IAVF_EXTENDED_CAP_SEND_VLAN_V2			BIT_ULL(0)
346 #define IAVF_EXTENDED_CAP_RECV_VLAN_V2			BIT_ULL(1)
347 
348 #define IAVF_EXTENDED_CAPS				\
349 	(IAVF_EXTENDED_CAP_SEND_VLAN_V2 |		\
350 	 IAVF_EXTENDED_CAP_RECV_VLAN_V2)
351 
352 	/* Lock to prevent possible clobbering of
353 	 * current_netdev_promisc_flags
354 	 */
355 	spinlock_t current_netdev_promisc_flags_lock;
356 	netdev_features_t current_netdev_promisc_flags;
357 
358 	/* OS defined structs */
359 	struct net_device *netdev;
360 	struct pci_dev *pdev;
361 
362 	struct iavf_hw hw; /* defined in iavf_type.h */
363 
364 	enum iavf_state_t state;
365 	enum iavf_state_t last_state;
366 	unsigned long crit_section;
367 
368 	struct delayed_work watchdog_task;
369 	bool link_up;
370 	enum virtchnl_link_speed link_speed;
371 	/* This is only populated if the VIRTCHNL_VF_CAP_ADV_LINK_SPEED is set
372 	 * in vf_res->vf_cap_flags. Use ADV_LINK_SUPPORT macro to determine if
373 	 * this field is valid. This field should be used going forward and the
374 	 * enum virtchnl_link_speed above should be considered the legacy way of
375 	 * storing/communicating link speeds.
376 	 */
377 	u32 link_speed_mbps;
378 
379 	enum virtchnl_ops current_op;
380 /* RSS by the PF should be preferred over RSS via other methods. */
381 #define RSS_PF(_a) ((_a)->vf_res->vf_cap_flags & \
382 		    VIRTCHNL_VF_OFFLOAD_RSS_PF)
383 #define RSS_AQ(_a) ((_a)->vf_res->vf_cap_flags & \
384 		    VIRTCHNL_VF_OFFLOAD_RSS_AQ)
385 #define RSS_REG(_a) (!((_a)->vf_res->vf_cap_flags & \
386 		       (VIRTCHNL_VF_OFFLOAD_RSS_AQ | \
387 			VIRTCHNL_VF_OFFLOAD_RSS_PF)))
388 #define VLAN_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
389 			  VIRTCHNL_VF_OFFLOAD_VLAN)
390 #define VLAN_V2_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
391 			     VIRTCHNL_VF_OFFLOAD_VLAN_V2)
392 #define CRC_OFFLOAD_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
393 				 VIRTCHNL_VF_OFFLOAD_CRC)
394 #define VLAN_V2_FILTERING_ALLOWED(_a) \
395 	(VLAN_V2_ALLOWED((_a)) && \
396 	 ((_a)->vlan_v2_caps.filtering.filtering_support.outer || \
397 	  (_a)->vlan_v2_caps.filtering.filtering_support.inner))
398 #define VLAN_FILTERING_ALLOWED(_a) \
399 	(VLAN_ALLOWED((_a)) || VLAN_V2_FILTERING_ALLOWED((_a)))
400 #define ADV_LINK_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
401 			      VIRTCHNL_VF_CAP_ADV_LINK_SPEED)
402 #define FDIR_FLTR_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
403 			       VIRTCHNL_VF_OFFLOAD_FDIR_PF)
404 #define ADV_RSS_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
405 			     VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF)
406 	struct virtchnl_vf_resource *vf_res; /* incl. all VSIs */
407 	struct virtchnl_vsi_resource *vsi_res; /* our LAN VSI */
408 	struct virtchnl_version_info pf_version;
409 #define PF_IS_V11(_a) (((_a)->pf_version.major == 1) && \
410 		       ((_a)->pf_version.minor == 1))
411 	struct virtchnl_vlan_caps vlan_v2_caps;
412 	u16 msg_enable;
413 	struct iavf_eth_stats current_stats;
414 	struct iavf_vsi vsi;
415 	u32 aq_wait_count;
416 	/* RSS stuff */
417 	u64 hena;
418 	u16 rss_key_size;
419 	u16 rss_lut_size;
420 	u8 *rss_key;
421 	u8 *rss_lut;
422 	/* ADQ related members */
423 	struct iavf_channel_config ch_config;
424 	u8 num_tc;
425 	struct list_head cloud_filter_list;
426 	/* lock to protect access to the cloud filter list */
427 	spinlock_t cloud_filter_list_lock;
428 	u16 num_cloud_filters;
429 	/* snapshot of "num_active_queues" before setup_tc for qdisc add
430 	 * is invoked. This information is useful during qdisc del flow,
431 	 * to restore correct number of queues
432 	 */
433 	int orig_num_active_queues;
434 
435 #define IAVF_MAX_FDIR_FILTERS 128	/* max allowed Flow Director filters */
436 	u16 fdir_active_fltr;
437 	struct list_head fdir_list_head;
438 	spinlock_t fdir_fltr_lock;	/* protect the Flow Director filter list */
439 
440 	struct list_head adv_rss_list_head;
441 	spinlock_t adv_rss_lock;	/* protect the RSS management list */
442 };
443 
444 
445 /* Ethtool Private Flags */
446 
447 /* needed by iavf_ethtool.c */
448 extern char iavf_driver_name[];
449 
450 static inline const char *iavf_state_str(enum iavf_state_t state)
451 {
452 	switch (state) {
453 	case __IAVF_STARTUP:
454 		return "__IAVF_STARTUP";
455 	case __IAVF_REMOVE:
456 		return "__IAVF_REMOVE";
457 	case __IAVF_INIT_VERSION_CHECK:
458 		return "__IAVF_INIT_VERSION_CHECK";
459 	case __IAVF_INIT_GET_RESOURCES:
460 		return "__IAVF_INIT_GET_RESOURCES";
461 	case __IAVF_INIT_EXTENDED_CAPS:
462 		return "__IAVF_INIT_EXTENDED_CAPS";
463 	case __IAVF_INIT_CONFIG_ADAPTER:
464 		return "__IAVF_INIT_CONFIG_ADAPTER";
465 	case __IAVF_INIT_SW:
466 		return "__IAVF_INIT_SW";
467 	case __IAVF_INIT_FAILED:
468 		return "__IAVF_INIT_FAILED";
469 	case __IAVF_RESETTING:
470 		return "__IAVF_RESETTING";
471 	case __IAVF_COMM_FAILED:
472 		return "__IAVF_COMM_FAILED";
473 	case __IAVF_DOWN:
474 		return "__IAVF_DOWN";
475 	case __IAVF_DOWN_PENDING:
476 		return "__IAVF_DOWN_PENDING";
477 	case __IAVF_TESTING:
478 		return "__IAVF_TESTING";
479 	case __IAVF_RUNNING:
480 		return "__IAVF_RUNNING";
481 	default:
482 		return "__IAVF_UNKNOWN_STATE";
483 	}
484 }
485 
486 static inline void iavf_change_state(struct iavf_adapter *adapter,
487 				     enum iavf_state_t state)
488 {
489 	if (adapter->state != state) {
490 		adapter->last_state = adapter->state;
491 		adapter->state = state;
492 	}
493 	dev_dbg(&adapter->pdev->dev,
494 		"state transition from:%s to:%s\n",
495 		iavf_state_str(adapter->last_state),
496 		iavf_state_str(adapter->state));
497 }
498 
499 int iavf_up(struct iavf_adapter *adapter);
500 void iavf_down(struct iavf_adapter *adapter);
501 int iavf_process_config(struct iavf_adapter *adapter);
502 int iavf_parse_vf_resource_msg(struct iavf_adapter *adapter);
503 void iavf_schedule_reset(struct iavf_adapter *adapter, u64 flags);
504 void iavf_schedule_aq_request(struct iavf_adapter *adapter, u64 flags);
505 void iavf_schedule_finish_config(struct iavf_adapter *adapter);
506 void iavf_reset(struct iavf_adapter *adapter);
507 void iavf_set_ethtool_ops(struct net_device *netdev);
508 void iavf_update_stats(struct iavf_adapter *adapter);
509 void iavf_free_all_tx_resources(struct iavf_adapter *adapter);
510 void iavf_free_all_rx_resources(struct iavf_adapter *adapter);
511 
512 void iavf_napi_add_all(struct iavf_adapter *adapter);
513 void iavf_napi_del_all(struct iavf_adapter *adapter);
514 
515 int iavf_send_api_ver(struct iavf_adapter *adapter);
516 int iavf_verify_api_ver(struct iavf_adapter *adapter);
517 int iavf_send_vf_config_msg(struct iavf_adapter *adapter);
518 int iavf_get_vf_config(struct iavf_adapter *adapter);
519 int iavf_get_vf_vlan_v2_caps(struct iavf_adapter *adapter);
520 int iavf_send_vf_offload_vlan_v2_msg(struct iavf_adapter *adapter);
521 void iavf_set_queue_vlan_tag_loc(struct iavf_adapter *adapter);
522 u16 iavf_get_num_vlans_added(struct iavf_adapter *adapter);
523 void iavf_irq_enable(struct iavf_adapter *adapter, bool flush);
524 void iavf_configure_queues(struct iavf_adapter *adapter);
525 void iavf_deconfigure_queues(struct iavf_adapter *adapter);
526 void iavf_enable_queues(struct iavf_adapter *adapter);
527 void iavf_disable_queues(struct iavf_adapter *adapter);
528 void iavf_map_queues(struct iavf_adapter *adapter);
529 int iavf_request_queues(struct iavf_adapter *adapter, int num);
530 void iavf_add_ether_addrs(struct iavf_adapter *adapter);
531 void iavf_del_ether_addrs(struct iavf_adapter *adapter);
532 void iavf_add_vlans(struct iavf_adapter *adapter);
533 void iavf_del_vlans(struct iavf_adapter *adapter);
534 void iavf_set_promiscuous(struct iavf_adapter *adapter);
535 bool iavf_promiscuous_mode_changed(struct iavf_adapter *adapter);
536 void iavf_request_stats(struct iavf_adapter *adapter);
537 int iavf_request_reset(struct iavf_adapter *adapter);
538 void iavf_get_hena(struct iavf_adapter *adapter);
539 void iavf_set_hena(struct iavf_adapter *adapter);
540 void iavf_set_rss_key(struct iavf_adapter *adapter);
541 void iavf_set_rss_lut(struct iavf_adapter *adapter);
542 void iavf_enable_vlan_stripping(struct iavf_adapter *adapter);
543 void iavf_disable_vlan_stripping(struct iavf_adapter *adapter);
544 void iavf_virtchnl_completion(struct iavf_adapter *adapter,
545 			      enum virtchnl_ops v_opcode,
546 			      enum iavf_status v_retval, u8 *msg, u16 msglen);
547 int iavf_config_rss(struct iavf_adapter *adapter);
548 int iavf_lan_add_device(struct iavf_adapter *adapter);
549 int iavf_lan_del_device(struct iavf_adapter *adapter);
550 void iavf_enable_channels(struct iavf_adapter *adapter);
551 void iavf_disable_channels(struct iavf_adapter *adapter);
552 void iavf_add_cloud_filter(struct iavf_adapter *adapter);
553 void iavf_del_cloud_filter(struct iavf_adapter *adapter);
554 void iavf_enable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid);
555 void iavf_disable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid);
556 void iavf_enable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid);
557 void iavf_disable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid);
558 void iavf_add_fdir_filter(struct iavf_adapter *adapter);
559 void iavf_del_fdir_filter(struct iavf_adapter *adapter);
560 void iavf_add_adv_rss_cfg(struct iavf_adapter *adapter);
561 void iavf_del_adv_rss_cfg(struct iavf_adapter *adapter);
562 struct iavf_mac_filter *iavf_add_filter(struct iavf_adapter *adapter,
563 					const u8 *macaddr);
564 int iavf_wait_for_reset(struct iavf_adapter *adapter);
565 #endif /* _IAVF_H_ */
566