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iavf.h

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linux-6.19.14/drivers/net/ethernet/intel/iavf/iavf.h C
  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
 50int iavf_status_to_errno(enum iavf_status status);
 51int virtchnl_status_to_errno(enum virtchnl_status_code v_status);
 52
 53/* VSI state flags shared with common code */
 54enum 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 */
 61struct 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 */
104struct 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
139struct 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 })
153struct iavf_vlan {
154	u16 vid;
155	u16 tpid;
156};
157
158enum 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
168struct 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 */
176enum 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 */
182struct 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 */
189enum 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! */
197enum 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
215enum 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 */
240struct 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 */
257struct 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 vc_waitqueue;
264	struct iavf_q_vector *q_vectors;
265	struct list_head vlan_filter_list;
266	int num_vlan_filters;
267	struct list_head mac_filter_list;
268	/* Lock to protect accesses to MAC and VLAN lists */
269	spinlock_t mac_vlan_list_lock;
270	char misc_vector_name[IFNAMSIZ + 9];
271	u8 rxdid;
272	int num_active_queues;
273	int num_req_queues;
274
275	/* TX */
276	struct iavf_ring *tx_rings;
277	u32 tx_timeout_count;
278	u32 tx_desc_count;
279
280	/* RX */
281	struct iavf_ring *rx_rings;
282	u64 hw_csum_rx_error;
283	u32 rx_desc_count;
284	int num_msix_vectors;
285	struct msix_entry *msix_entries;
286
287	u32 flags;
288#define IAVF_FLAG_RX_CSUM_ENABLED		BIT(0)
289#define IAVF_FLAG_PF_COMMS_FAILED		BIT(3)
290#define IAVF_FLAG_RESET_PENDING		BIT(4)
291#define IAVF_FLAG_RESET_NEEDED		BIT(5)
292#define IAVF_FLAG_WB_ON_ITR_CAPABLE		BIT(6)
293/* BIT(15) is free, was IAVF_FLAG_LEGACY_RX */
294#define IAVF_FLAG_REINIT_ITR_NEEDED		BIT(16)
295#define IAVF_FLAG_QUEUES_DISABLED		BIT(17)
296#define IAVF_FLAG_SETUP_NETDEV_FEATURES		BIT(18)
297#define IAVF_FLAG_REINIT_MSIX_NEEDED		BIT(20)
298#define IAVF_FLAG_FDIR_ENABLED			BIT(21)
299/* duplicates for common code */
300#define IAVF_FLAG_DCB_ENABLED			0
301	/* flags for admin queue service task */
302	u64 aq_required;
303#define IAVF_FLAG_AQ_ENABLE_QUEUES		BIT_ULL(0)
304#define IAVF_FLAG_AQ_DISABLE_QUEUES		BIT_ULL(1)
305#define IAVF_FLAG_AQ_ADD_MAC_FILTER		BIT_ULL(2)
306#define IAVF_FLAG_AQ_ADD_VLAN_FILTER		BIT_ULL(3)
307#define IAVF_FLAG_AQ_DEL_MAC_FILTER		BIT_ULL(4)
308#define IAVF_FLAG_AQ_DEL_VLAN_FILTER		BIT_ULL(5)
309#define IAVF_FLAG_AQ_CONFIGURE_QUEUES		BIT_ULL(6)
310#define IAVF_FLAG_AQ_MAP_VECTORS		BIT_ULL(7)
311#define IAVF_FLAG_AQ_HANDLE_RESET		BIT_ULL(8)
312#define IAVF_FLAG_AQ_CONFIGURE_RSS		BIT_ULL(9) /* direct AQ config */
313#define IAVF_FLAG_AQ_GET_CONFIG			BIT_ULL(10)
314/* Newer style, RSS done by the PF so we can ignore hardware vagaries. */
315#define IAVF_FLAG_AQ_GET_RSS_HASHCFG		BIT_ULL(11)
316#define IAVF_FLAG_AQ_SET_RSS_HASHCFG		BIT_ULL(12)
317#define IAVF_FLAG_AQ_SET_RSS_KEY		BIT_ULL(13)
318#define IAVF_FLAG_AQ_SET_RSS_LUT		BIT_ULL(14)
319#define IAVF_FLAG_AQ_SET_RSS_HFUNC		BIT_ULL(15)
320#define IAVF_FLAG_AQ_CONFIGURE_PROMISC_MODE	BIT_ULL(16)
321#define IAVF_FLAG_AQ_ENABLE_VLAN_STRIPPING	BIT_ULL(19)
322#define IAVF_FLAG_AQ_DISABLE_VLAN_STRIPPING	BIT_ULL(20)
323#define IAVF_FLAG_AQ_ENABLE_CHANNELS		BIT_ULL(21)
324#define IAVF_FLAG_AQ_DISABLE_CHANNELS		BIT_ULL(22)
325#define IAVF_FLAG_AQ_ADD_CLOUD_FILTER		BIT_ULL(23)
326#define IAVF_FLAG_AQ_DEL_CLOUD_FILTER		BIT_ULL(24)
327#define IAVF_FLAG_AQ_ADD_FDIR_FILTER		BIT_ULL(25)
328#define IAVF_FLAG_AQ_DEL_FDIR_FILTER		BIT_ULL(26)
329#define IAVF_FLAG_AQ_ADD_ADV_RSS_CFG		BIT_ULL(27)
330#define IAVF_FLAG_AQ_DEL_ADV_RSS_CFG		BIT_ULL(28)
331#define IAVF_FLAG_AQ_REQUEST_STATS		BIT_ULL(29)
332#define IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS	BIT_ULL(30)
333#define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_STRIPPING		BIT_ULL(31)
334#define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_STRIPPING	BIT_ULL(32)
335#define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_STRIPPING		BIT_ULL(33)
336#define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_STRIPPING	BIT_ULL(34)
337#define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_INSERTION		BIT_ULL(35)
338#define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_INSERTION	BIT_ULL(36)
339#define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_INSERTION		BIT_ULL(37)
340#define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_INSERTION	BIT_ULL(38)
341#define IAVF_FLAG_AQ_CONFIGURE_QUEUES_BW		BIT_ULL(39)
342#define IAVF_FLAG_AQ_CFG_QUEUES_QUANTA_SIZE		BIT_ULL(40)
343#define IAVF_FLAG_AQ_GET_QOS_CAPS			BIT_ULL(41)
344#define IAVF_FLAG_AQ_GET_SUPPORTED_RXDIDS		BIT_ULL(42)
345#define IAVF_FLAG_AQ_GET_PTP_CAPS			BIT_ULL(43)
346#define IAVF_FLAG_AQ_SEND_PTP_CMD			BIT_ULL(44)
347
348	/* AQ messages that must be sent after IAVF_FLAG_AQ_GET_CONFIG, in
349	 * order to negotiated extended capabilities.
350	 */
351#define IAVF_FLAG_AQ_EXTENDED_CAPS			\
352	(IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS |	\
353	 IAVF_FLAG_AQ_GET_SUPPORTED_RXDIDS |		\
354	 IAVF_FLAG_AQ_GET_PTP_CAPS)
355
356	/* flags for processing extended capability messages during
357	 * __IAVF_INIT_EXTENDED_CAPS. Each capability exchange requires
358	 * both a SEND and a RECV step, which must be processed in sequence.
359	 *
360	 * During the __IAVF_INIT_EXTENDED_CAPS state, the driver will
361	 * process one flag at a time during each state loop.
362	 */
363	u64 extended_caps;
364#define IAVF_EXTENDED_CAP_SEND_VLAN_V2			BIT_ULL(0)
365#define IAVF_EXTENDED_CAP_RECV_VLAN_V2			BIT_ULL(1)
366#define IAVF_EXTENDED_CAP_SEND_RXDID			BIT_ULL(2)
367#define IAVF_EXTENDED_CAP_RECV_RXDID			BIT_ULL(3)
368#define IAVF_EXTENDED_CAP_SEND_PTP			BIT_ULL(4)
369#define IAVF_EXTENDED_CAP_RECV_PTP			BIT_ULL(5)
370
371#define IAVF_EXTENDED_CAPS				\
372	(IAVF_EXTENDED_CAP_SEND_VLAN_V2 |		\
373	 IAVF_EXTENDED_CAP_RECV_VLAN_V2 |		\
374	 IAVF_EXTENDED_CAP_SEND_RXDID |			\
375	 IAVF_EXTENDED_CAP_RECV_RXDID |			\
376	 IAVF_EXTENDED_CAP_SEND_PTP |			\
377	 IAVF_EXTENDED_CAP_RECV_PTP)
378
379	/* Lock to prevent possible clobbering of
380	 * current_netdev_promisc_flags
381	 */
382	spinlock_t current_netdev_promisc_flags_lock;
383	netdev_features_t current_netdev_promisc_flags;
384
385	/* OS defined structs */
386	struct net_device *netdev;
387	struct pci_dev *pdev;
388
389	struct iavf_hw hw; /* defined in iavf_type.h */
390
391	enum iavf_state_t state;
392	enum iavf_state_t last_state;
393	unsigned long crit_section;
394
395	struct delayed_work watchdog_task;
396	bool link_up;
397	enum virtchnl_link_speed link_speed;
398	/* This is only populated if the VIRTCHNL_VF_CAP_ADV_LINK_SPEED is set
399	 * in vf_res->vf_cap_flags. Use ADV_LINK_SUPPORT macro to determine if
400	 * this field is valid. This field should be used going forward and the
401	 * enum virtchnl_link_speed above should be considered the legacy way of
402	 * storing/communicating link speeds.
403	 */
404	u32 link_speed_mbps;
405
406	enum virtchnl_ops current_op;
407/* RSS by the PF should be preferred over RSS via other methods. */
408#define RSS_PF(_a) ((_a)->vf_res->vf_cap_flags & \
409		    VIRTCHNL_VF_OFFLOAD_RSS_PF)
410#define RSS_AQ(_a) ((_a)->vf_res->vf_cap_flags & \
411		    VIRTCHNL_VF_OFFLOAD_RSS_AQ)
412#define RSS_REG(_a) (!((_a)->vf_res->vf_cap_flags & \
413		       (VIRTCHNL_VF_OFFLOAD_RSS_AQ | \
414			VIRTCHNL_VF_OFFLOAD_RSS_PF)))
415#define VLAN_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
416			  VIRTCHNL_VF_OFFLOAD_VLAN)
417#define VLAN_V2_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
418			     VIRTCHNL_VF_OFFLOAD_VLAN_V2)
419#define CRC_OFFLOAD_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
420				 VIRTCHNL_VF_OFFLOAD_CRC)
421#define TC_U32_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
422			    VIRTCHNL_VF_OFFLOAD_TC_U32)
423#define VLAN_V2_FILTERING_ALLOWED(_a) \
424	(VLAN_V2_ALLOWED((_a)) && \
425	 ((_a)->vlan_v2_caps.filtering.filtering_support.outer || \
426	  (_a)->vlan_v2_caps.filtering.filtering_support.inner))
427#define VLAN_FILTERING_ALLOWED(_a) \
428	(VLAN_ALLOWED((_a)) || VLAN_V2_FILTERING_ALLOWED((_a)))
429#define ADV_LINK_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
430			      VIRTCHNL_VF_CAP_ADV_LINK_SPEED)
431#define FDIR_FLTR_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
432			       VIRTCHNL_VF_OFFLOAD_FDIR_PF)
433#define ADV_RSS_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
434			     VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF)
435#define QOS_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
436			 VIRTCHNL_VF_OFFLOAD_QOS)
437#define IAVF_RXDID_ALLOWED(a)						\
438	((a)->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC)
439#define IAVF_PTP_ALLOWED(a)						\
440	((a)->vf_res->vf_cap_flags & VIRTCHNL_VF_CAP_PTP)
441	struct virtchnl_vf_resource *vf_res; /* incl. all VSIs */
442	struct virtchnl_vsi_resource *vsi_res; /* our LAN VSI */
443	struct virtchnl_version_info pf_version;
444#define PF_IS_V11(_a) (((_a)->pf_version.major == 1) && \
445		       ((_a)->pf_version.minor == 1))
446	struct virtchnl_vlan_caps vlan_v2_caps;
447	u64 supp_rxdids;
448	struct iavf_ptp ptp;
449	u16 msg_enable;
450	struct iavf_eth_stats current_stats;
451	struct virtchnl_qos_cap_list *qos_caps;
452	struct iavf_vsi vsi;
453	u32 aq_wait_count;
454	/* RSS stuff */
455	enum virtchnl_rss_algorithm hfunc;
456	u64 rss_hashcfg;
457	u16 rss_key_size;
458	u16 rss_lut_size;
459	u8 *rss_key;
460	u8 *rss_lut;
461	/* ADQ related members */
462	struct iavf_channel_config ch_config;
463	u8 num_tc;
464	struct list_head cloud_filter_list;
465	/* lock to protect access to the cloud filter list */
466	spinlock_t cloud_filter_list_lock;
467	u16 num_cloud_filters;
468	/* snapshot of "num_active_queues" before setup_tc for qdisc add
469	 * is invoked. This information is useful during qdisc del flow,
470	 * to restore correct number of queues
471	 */
472	int orig_num_active_queues;
473
474#define IAVF_MAX_FDIR_FILTERS 128	/* max allowed Flow Director filters */
475	u16 fdir_active_fltr;
476	u16 raw_fdir_active_fltr;
477	struct list_head fdir_list_head;
478	spinlock_t fdir_fltr_lock;	/* protect the Flow Director filter list */
479
480	struct list_head adv_rss_list_head;
481	spinlock_t adv_rss_lock;	/* protect the RSS management list */
482};
483
484/* Must be called with fdir_fltr_lock lock held */
485static inline bool iavf_fdir_max_reached(struct iavf_adapter *adapter)
486{
487	return adapter->fdir_active_fltr + adapter->raw_fdir_active_fltr >=
488			IAVF_MAX_FDIR_FILTERS;
489}
490
491static inline void
492iavf_inc_fdir_active_fltr(struct iavf_adapter *adapter,
493			  struct iavf_fdir_fltr *fltr)
494{
495	if (iavf_is_raw_fdir(fltr))
496		adapter->raw_fdir_active_fltr++;
497	else
498		adapter->fdir_active_fltr++;
499}
500
501static inline void
502iavf_dec_fdir_active_fltr(struct iavf_adapter *adapter,
503			  struct iavf_fdir_fltr *fltr)
504{
505	if (iavf_is_raw_fdir(fltr))
506		adapter->raw_fdir_active_fltr--;
507	else
508		adapter->fdir_active_fltr--;
509}
510
511/* Ethtool Private Flags */
512
513/* needed by iavf_ethtool.c */
514extern char iavf_driver_name[];
515
516static inline const char *iavf_state_str(enum iavf_state_t state)
517{
518	switch (state) {
519	case __IAVF_STARTUP:
520		return "__IAVF_STARTUP";
521	case __IAVF_REMOVE:
522		return "__IAVF_REMOVE";
523	case __IAVF_INIT_VERSION_CHECK:
524		return "__IAVF_INIT_VERSION_CHECK";
525	case __IAVF_INIT_GET_RESOURCES:
526		return "__IAVF_INIT_GET_RESOURCES";
527	case __IAVF_INIT_EXTENDED_CAPS:
528		return "__IAVF_INIT_EXTENDED_CAPS";
529	case __IAVF_INIT_CONFIG_ADAPTER:
530		return "__IAVF_INIT_CONFIG_ADAPTER";
531	case __IAVF_INIT_SW:
532		return "__IAVF_INIT_SW";
533	case __IAVF_INIT_FAILED:
534		return "__IAVF_INIT_FAILED";
535	case __IAVF_RESETTING:
536		return "__IAVF_RESETTING";
537	case __IAVF_COMM_FAILED:
538		return "__IAVF_COMM_FAILED";
539	case __IAVF_DOWN:
540		return "__IAVF_DOWN";
541	case __IAVF_DOWN_PENDING:
542		return "__IAVF_DOWN_PENDING";
543	case __IAVF_TESTING:
544		return "__IAVF_TESTING";
545	case __IAVF_RUNNING:
546		return "__IAVF_RUNNING";
547	default:
548		return "__IAVF_UNKNOWN_STATE";
549	}
550}
551
552static inline void iavf_change_state(struct iavf_adapter *adapter,
553				     enum iavf_state_t state)
554{
555	if (adapter->state != state) {
556		adapter->last_state = adapter->state;
557		adapter->state = state;
558	}
559	dev_dbg(&adapter->pdev->dev,
560		"state transition from:%s to:%s\n",
561		iavf_state_str(adapter->last_state),
562		iavf_state_str(adapter->state));
563}
564
565void iavf_down(struct iavf_adapter *adapter);
566int iavf_process_config(struct iavf_adapter *adapter);
567int iavf_parse_vf_resource_msg(struct iavf_adapter *adapter);
568void iavf_schedule_reset(struct iavf_adapter *adapter, u64 flags);
569void iavf_schedule_aq_request(struct iavf_adapter *adapter, u64 flags);
570void iavf_schedule_finish_config(struct iavf_adapter *adapter);
571void iavf_set_ethtool_ops(struct net_device *netdev);
572void iavf_free_all_tx_resources(struct iavf_adapter *adapter);
573void iavf_free_all_rx_resources(struct iavf_adapter *adapter);
574
575int iavf_send_api_ver(struct iavf_adapter *adapter);
576int iavf_verify_api_ver(struct iavf_adapter *adapter);
577int iavf_send_vf_config_msg(struct iavf_adapter *adapter);
578int iavf_get_vf_config(struct iavf_adapter *adapter);
579int iavf_get_vf_vlan_v2_caps(struct iavf_adapter *adapter);
580int iavf_send_vf_offload_vlan_v2_msg(struct iavf_adapter *adapter);
581int iavf_send_vf_supported_rxdids_msg(struct iavf_adapter *adapter);
582int iavf_get_vf_supported_rxdids(struct iavf_adapter *adapter);
583int iavf_send_vf_ptp_caps_msg(struct iavf_adapter *adapter);
584int iavf_get_vf_ptp_caps(struct iavf_adapter *adapter);
585void iavf_set_queue_vlan_tag_loc(struct iavf_adapter *adapter);
586u16 iavf_get_num_vlans_added(struct iavf_adapter *adapter);
587void iavf_irq_enable(struct iavf_adapter *adapter, bool flush);
588void iavf_configure_queues(struct iavf_adapter *adapter);
589void iavf_enable_queues(struct iavf_adapter *adapter);
590void iavf_disable_queues(struct iavf_adapter *adapter);
591void iavf_map_queues(struct iavf_adapter *adapter);
592void iavf_add_ether_addrs(struct iavf_adapter *adapter);
593void iavf_del_ether_addrs(struct iavf_adapter *adapter);
594void iavf_add_vlans(struct iavf_adapter *adapter);
595void iavf_del_vlans(struct iavf_adapter *adapter);
596void iavf_set_promiscuous(struct iavf_adapter *adapter);
597bool iavf_promiscuous_mode_changed(struct iavf_adapter *adapter);
598void iavf_request_stats(struct iavf_adapter *adapter);
599int iavf_request_reset(struct iavf_adapter *adapter);
600void iavf_get_rss_hashcfg(struct iavf_adapter *adapter);
601void iavf_set_rss_hashcfg(struct iavf_adapter *adapter);
602void iavf_set_rss_key(struct iavf_adapter *adapter);
603void iavf_set_rss_lut(struct iavf_adapter *adapter);
604void iavf_set_rss_hfunc(struct iavf_adapter *adapter);
605void iavf_enable_vlan_stripping(struct iavf_adapter *adapter);
606void iavf_disable_vlan_stripping(struct iavf_adapter *adapter);
607void iavf_virtchnl_completion(struct iavf_adapter *adapter,
608			      enum virtchnl_ops v_opcode,
609			      enum iavf_status v_retval, u8 *msg, u16 msglen);
610int iavf_config_rss(struct iavf_adapter *adapter);
611void iavf_cfg_queues_bw(struct iavf_adapter *adapter);
612void iavf_cfg_queues_quanta_size(struct iavf_adapter *adapter);
613void iavf_get_qos_caps(struct iavf_adapter *adapter);
614void iavf_enable_channels(struct iavf_adapter *adapter);
615void iavf_disable_channels(struct iavf_adapter *adapter);
616void iavf_add_cloud_filter(struct iavf_adapter *adapter);
617void iavf_del_cloud_filter(struct iavf_adapter *adapter);
618void iavf_enable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid);
619void iavf_disable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid);
620void iavf_enable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid);
621void iavf_disable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid);
622void iavf_add_fdir_filter(struct iavf_adapter *adapter);
623void iavf_del_fdir_filter(struct iavf_adapter *adapter);
624void iavf_add_adv_rss_cfg(struct iavf_adapter *adapter);
625void iavf_del_adv_rss_cfg(struct iavf_adapter *adapter);
626struct iavf_mac_filter *iavf_add_filter(struct iavf_adapter *adapter,
627					const u8 *macaddr);
628void iavf_reset_step(struct iavf_adapter *adapter);
629#endif /* _IAVF_H_ */
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