xref: /openbmc/linux/drivers/net/ethernet/intel/ice/ice.h (revision 82df5b73)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2018, Intel Corporation. */
3 
4 #ifndef _ICE_H_
5 #define _ICE_H_
6 
7 #include <linux/types.h>
8 #include <linux/errno.h>
9 #include <linux/kernel.h>
10 #include <linux/module.h>
11 #include <linux/firmware.h>
12 #include <linux/netdevice.h>
13 #include <linux/compiler.h>
14 #include <linux/etherdevice.h>
15 #include <linux/skbuff.h>
16 #include <linux/cpumask.h>
17 #include <linux/rtnetlink.h>
18 #include <linux/if_vlan.h>
19 #include <linux/dma-mapping.h>
20 #include <linux/pci.h>
21 #include <linux/workqueue.h>
22 #include <linux/aer.h>
23 #include <linux/interrupt.h>
24 #include <linux/ethtool.h>
25 #include <linux/timer.h>
26 #include <linux/delay.h>
27 #include <linux/bitmap.h>
28 #include <linux/log2.h>
29 #include <linux/ip.h>
30 #include <linux/sctp.h>
31 #include <linux/ipv6.h>
32 #include <linux/pkt_sched.h>
33 #include <linux/if_bridge.h>
34 #include <linux/ctype.h>
35 #include <linux/bpf.h>
36 #include <linux/avf/virtchnl.h>
37 #include <linux/cpu_rmap.h>
38 #include <net/devlink.h>
39 #include <net/ipv6.h>
40 #include <net/xdp_sock.h>
41 #include <net/geneve.h>
42 #include <net/gre.h>
43 #include <net/udp_tunnel.h>
44 #include <net/vxlan.h>
45 #include "ice_devids.h"
46 #include "ice_type.h"
47 #include "ice_txrx.h"
48 #include "ice_dcb.h"
49 #include "ice_switch.h"
50 #include "ice_common.h"
51 #include "ice_sched.h"
52 #include "ice_virtchnl_pf.h"
53 #include "ice_sriov.h"
54 #include "ice_fdir.h"
55 #include "ice_xsk.h"
56 #include "ice_arfs.h"
57 
58 extern const char ice_drv_ver[];
59 #define ICE_BAR0		0
60 #define ICE_REQ_DESC_MULTIPLE	32
61 #define ICE_MIN_NUM_DESC	64
62 #define ICE_MAX_NUM_DESC	8160
63 #define ICE_DFLT_MIN_RX_DESC	512
64 #define ICE_DFLT_NUM_TX_DESC	256
65 #define ICE_DFLT_NUM_RX_DESC	2048
66 
67 #define ICE_DFLT_TRAFFIC_CLASS	BIT(0)
68 #define ICE_INT_NAME_STR_LEN	(IFNAMSIZ + 16)
69 #define ICE_AQ_LEN		64
70 #define ICE_MBXSQ_LEN		64
71 #define ICE_MIN_MSIX		2
72 #define ICE_FDIR_MSIX		1
73 #define ICE_NO_VSI		0xffff
74 #define ICE_VSI_MAP_CONTIG	0
75 #define ICE_VSI_MAP_SCATTER	1
76 #define ICE_MAX_SCATTER_TXQS	16
77 #define ICE_MAX_SCATTER_RXQS	16
78 #define ICE_Q_WAIT_RETRY_LIMIT	10
79 #define ICE_Q_WAIT_MAX_RETRY	(5 * ICE_Q_WAIT_RETRY_LIMIT)
80 #define ICE_MAX_LG_RSS_QS	256
81 #define ICE_RES_VALID_BIT	0x8000
82 #define ICE_RES_MISC_VEC_ID	(ICE_RES_VALID_BIT - 1)
83 #define ICE_INVAL_Q_INDEX	0xffff
84 #define ICE_INVAL_VFID		256
85 
86 #define ICE_MAX_RESET_WAIT		20
87 
88 #define ICE_VSIQF_HKEY_ARRAY_SIZE	((VSIQF_HKEY_MAX_INDEX + 1) *	4)
89 
90 #define ICE_DFLT_NETIF_M (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK)
91 
92 #define ICE_MAX_MTU	(ICE_AQ_SET_MAC_FRAME_SIZE_MAX - ICE_ETH_PKT_HDR_PAD)
93 
94 #define ICE_UP_TABLE_TRANSLATE(val, i) \
95 		(((val) << ICE_AQ_VSI_UP_TABLE_UP##i##_S) & \
96 		  ICE_AQ_VSI_UP_TABLE_UP##i##_M)
97 
98 #define ICE_TX_DESC(R, i) (&(((struct ice_tx_desc *)((R)->desc))[i]))
99 #define ICE_RX_DESC(R, i) (&(((union ice_32b_rx_flex_desc *)((R)->desc))[i]))
100 #define ICE_TX_CTX_DESC(R, i) (&(((struct ice_tx_ctx_desc *)((R)->desc))[i]))
101 #define ICE_TX_FDIRDESC(R, i) (&(((struct ice_fltr_desc *)((R)->desc))[i]))
102 
103 /* Macro for each VSI in a PF */
104 #define ice_for_each_vsi(pf, i) \
105 	for ((i) = 0; (i) < (pf)->num_alloc_vsi; (i)++)
106 
107 /* Macros for each Tx/Rx ring in a VSI */
108 #define ice_for_each_txq(vsi, i) \
109 	for ((i) = 0; (i) < (vsi)->num_txq; (i)++)
110 
111 #define ice_for_each_rxq(vsi, i) \
112 	for ((i) = 0; (i) < (vsi)->num_rxq; (i)++)
113 
114 /* Macros for each allocated Tx/Rx ring whether used or not in a VSI */
115 #define ice_for_each_alloc_txq(vsi, i) \
116 	for ((i) = 0; (i) < (vsi)->alloc_txq; (i)++)
117 
118 #define ice_for_each_alloc_rxq(vsi, i) \
119 	for ((i) = 0; (i) < (vsi)->alloc_rxq; (i)++)
120 
121 #define ice_for_each_q_vector(vsi, i) \
122 	for ((i) = 0; (i) < (vsi)->num_q_vectors; (i)++)
123 
124 #define ICE_UCAST_PROMISC_BITS (ICE_PROMISC_UCAST_TX | ICE_PROMISC_MCAST_TX | \
125 				ICE_PROMISC_UCAST_RX | ICE_PROMISC_MCAST_RX)
126 
127 #define ICE_UCAST_VLAN_PROMISC_BITS (ICE_PROMISC_UCAST_TX | \
128 				     ICE_PROMISC_MCAST_TX | \
129 				     ICE_PROMISC_UCAST_RX | \
130 				     ICE_PROMISC_MCAST_RX | \
131 				     ICE_PROMISC_VLAN_TX  | \
132 				     ICE_PROMISC_VLAN_RX)
133 
134 #define ICE_MCAST_PROMISC_BITS (ICE_PROMISC_MCAST_TX | ICE_PROMISC_MCAST_RX)
135 
136 #define ICE_MCAST_VLAN_PROMISC_BITS (ICE_PROMISC_MCAST_TX | \
137 				     ICE_PROMISC_MCAST_RX | \
138 				     ICE_PROMISC_VLAN_TX  | \
139 				     ICE_PROMISC_VLAN_RX)
140 
141 #define ice_pf_to_dev(pf) (&((pf)->pdev->dev))
142 
143 struct ice_txq_meta {
144 	u32 q_teid;	/* Tx-scheduler element identifier */
145 	u16 q_id;	/* Entry in VSI's txq_map bitmap */
146 	u16 q_handle;	/* Relative index of Tx queue within TC */
147 	u16 vsi_idx;	/* VSI index that Tx queue belongs to */
148 	u8 tc;		/* TC number that Tx queue belongs to */
149 };
150 
151 struct ice_tc_info {
152 	u16 qoffset;
153 	u16 qcount_tx;
154 	u16 qcount_rx;
155 	u8 netdev_tc;
156 };
157 
158 struct ice_tc_cfg {
159 	u8 numtc; /* Total number of enabled TCs */
160 	u8 ena_tc; /* Tx map */
161 	struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS];
162 };
163 
164 struct ice_res_tracker {
165 	u16 num_entries;
166 	u16 end;
167 	u16 list[1];
168 };
169 
170 struct ice_qs_cfg {
171 	struct mutex *qs_mutex;  /* will be assigned to &pf->avail_q_mutex */
172 	unsigned long *pf_map;
173 	unsigned long pf_map_size;
174 	unsigned int q_count;
175 	unsigned int scatter_count;
176 	u16 *vsi_map;
177 	u16 vsi_map_offset;
178 	u8 mapping_mode;
179 };
180 
181 struct ice_sw {
182 	struct ice_pf *pf;
183 	u16 sw_id;		/* switch ID for this switch */
184 	u16 bridge_mode;	/* VEB/VEPA/Port Virtualizer */
185 	struct ice_vsi *dflt_vsi;	/* default VSI for this switch */
186 	u8 dflt_vsi_ena:1;	/* true if above dflt_vsi is enabled */
187 };
188 
189 enum ice_state {
190 	__ICE_TESTING,
191 	__ICE_DOWN,
192 	__ICE_NEEDS_RESTART,
193 	__ICE_PREPARED_FOR_RESET,	/* set by driver when prepared */
194 	__ICE_RESET_OICR_RECV,		/* set by driver after rcv reset OICR */
195 	__ICE_DCBNL_DEVRESET,		/* set by dcbnl devreset */
196 	__ICE_PFR_REQ,			/* set by driver and peers */
197 	__ICE_CORER_REQ,		/* set by driver and peers */
198 	__ICE_GLOBR_REQ,		/* set by driver and peers */
199 	__ICE_CORER_RECV,		/* set by OICR handler */
200 	__ICE_GLOBR_RECV,		/* set by OICR handler */
201 	__ICE_EMPR_RECV,		/* set by OICR handler */
202 	__ICE_SUSPENDED,		/* set on module remove path */
203 	__ICE_RESET_FAILED,		/* set by reset/rebuild */
204 	/* When checking for the PF to be in a nominal operating state, the
205 	 * bits that are grouped at the beginning of the list need to be
206 	 * checked. Bits occurring before __ICE_STATE_NOMINAL_CHECK_BITS will
207 	 * be checked. If you need to add a bit into consideration for nominal
208 	 * operating state, it must be added before
209 	 * __ICE_STATE_NOMINAL_CHECK_BITS. Do not move this entry's position
210 	 * without appropriate consideration.
211 	 */
212 	__ICE_STATE_NOMINAL_CHECK_BITS,
213 	__ICE_ADMINQ_EVENT_PENDING,
214 	__ICE_MAILBOXQ_EVENT_PENDING,
215 	__ICE_MDD_EVENT_PENDING,
216 	__ICE_VFLR_EVENT_PENDING,
217 	__ICE_FLTR_OVERFLOW_PROMISC,
218 	__ICE_VF_DIS,
219 	__ICE_CFG_BUSY,
220 	__ICE_SERVICE_SCHED,
221 	__ICE_SERVICE_DIS,
222 	__ICE_FD_FLUSH_REQ,
223 	__ICE_OICR_INTR_DIS,		/* Global OICR interrupt disabled */
224 	__ICE_MDD_VF_PRINT_PENDING,	/* set when MDD event handle */
225 	__ICE_VF_RESETS_DISABLED,	/* disable resets during ice_remove */
226 	__ICE_STATE_NBITS		/* must be last */
227 };
228 
229 enum ice_vsi_flags {
230 	ICE_VSI_FLAG_UMAC_FLTR_CHANGED,
231 	ICE_VSI_FLAG_MMAC_FLTR_CHANGED,
232 	ICE_VSI_FLAG_VLAN_FLTR_CHANGED,
233 	ICE_VSI_FLAG_PROMISC_CHANGED,
234 	ICE_VSI_FLAG_NBITS		/* must be last */
235 };
236 
237 /* struct that defines a VSI, associated with a dev */
238 struct ice_vsi {
239 	struct net_device *netdev;
240 	struct ice_sw *vsw;		 /* switch this VSI is on */
241 	struct ice_pf *back;		 /* back pointer to PF */
242 	struct ice_port_info *port_info; /* back pointer to port_info */
243 	struct ice_ring **rx_rings;	 /* Rx ring array */
244 	struct ice_ring **tx_rings;	 /* Tx ring array */
245 	struct ice_q_vector **q_vectors; /* q_vector array */
246 
247 	irqreturn_t (*irq_handler)(int irq, void *data);
248 
249 	u64 tx_linearize;
250 	DECLARE_BITMAP(state, __ICE_STATE_NBITS);
251 	DECLARE_BITMAP(flags, ICE_VSI_FLAG_NBITS);
252 	unsigned int current_netdev_flags;
253 	u32 tx_restart;
254 	u32 tx_busy;
255 	u32 rx_buf_failed;
256 	u32 rx_page_failed;
257 	u16 num_q_vectors;
258 	u16 base_vector;		/* IRQ base for OS reserved vectors */
259 	enum ice_vsi_type type;
260 	u16 vsi_num;			/* HW (absolute) index of this VSI */
261 	u16 idx;			/* software index in pf->vsi[] */
262 
263 	s16 vf_id;			/* VF ID for SR-IOV VSIs */
264 
265 	u16 ethtype;			/* Ethernet protocol for pause frame */
266 	u16 num_gfltr;
267 	u16 num_bfltr;
268 
269 	/* RSS config */
270 	u16 rss_table_size;	/* HW RSS table size */
271 	u16 rss_size;		/* Allocated RSS queues */
272 	u8 *rss_hkey_user;	/* User configured hash keys */
273 	u8 *rss_lut_user;	/* User configured lookup table entries */
274 	u8 rss_lut_type;	/* used to configure Get/Set RSS LUT AQ call */
275 
276 	/* aRFS members only allocated for the PF VSI */
277 #define ICE_MAX_ARFS_LIST	1024
278 #define ICE_ARFS_LST_MASK	(ICE_MAX_ARFS_LIST - 1)
279 	struct hlist_head *arfs_fltr_list;
280 	struct ice_arfs_active_fltr_cntrs *arfs_fltr_cntrs;
281 	spinlock_t arfs_lock;	/* protects aRFS hash table and filter state */
282 	atomic_t *arfs_last_fltr_id;
283 
284 	u16 max_frame;
285 	u16 rx_buf_len;
286 
287 	struct ice_aqc_vsi_props info;	 /* VSI properties */
288 
289 	/* VSI stats */
290 	struct rtnl_link_stats64 net_stats;
291 	struct ice_eth_stats eth_stats;
292 	struct ice_eth_stats eth_stats_prev;
293 
294 	struct list_head tmp_sync_list;		/* MAC filters to be synced */
295 	struct list_head tmp_unsync_list;	/* MAC filters to be unsynced */
296 
297 	u8 irqs_ready:1;
298 	u8 current_isup:1;		 /* Sync 'link up' logging */
299 	u8 stat_offsets_loaded:1;
300 	u8 vlan_ena:1;
301 	u16 num_vlan;
302 
303 	/* queue information */
304 	u8 tx_mapping_mode;		 /* ICE_MAP_MODE_[CONTIG|SCATTER] */
305 	u8 rx_mapping_mode;		 /* ICE_MAP_MODE_[CONTIG|SCATTER] */
306 	u16 *txq_map;			 /* index in pf->avail_txqs */
307 	u16 *rxq_map;			 /* index in pf->avail_rxqs */
308 	u16 alloc_txq;			 /* Allocated Tx queues */
309 	u16 num_txq;			 /* Used Tx queues */
310 	u16 alloc_rxq;			 /* Allocated Rx queues */
311 	u16 num_rxq;			 /* Used Rx queues */
312 	u16 req_txq;			 /* User requested Tx queues */
313 	u16 req_rxq;			 /* User requested Rx queues */
314 	u16 num_rx_desc;
315 	u16 num_tx_desc;
316 	struct ice_tc_cfg tc_cfg;
317 	struct bpf_prog *xdp_prog;
318 	struct ice_ring **xdp_rings;	 /* XDP ring array */
319 	u16 num_xdp_txq;		 /* Used XDP queues */
320 	u8 xdp_mapping_mode;		 /* ICE_MAP_MODE_[CONTIG|SCATTER] */
321 	struct xdp_umem **xsk_umems;
322 	u16 num_xsk_umems_used;
323 	u16 num_xsk_umems;
324 } ____cacheline_internodealigned_in_smp;
325 
326 /* struct that defines an interrupt vector */
327 struct ice_q_vector {
328 	struct ice_vsi *vsi;
329 
330 	u16 v_idx;			/* index in the vsi->q_vector array. */
331 	u16 reg_idx;
332 	u8 num_ring_rx;			/* total number of Rx rings in vector */
333 	u8 num_ring_tx;			/* total number of Tx rings in vector */
334 	u8 itr_countdown;		/* when 0 should adjust adaptive ITR */
335 	/* in usecs, need to use ice_intrl_to_usecs_reg() before writing this
336 	 * value to the device
337 	 */
338 	u8 intrl;
339 
340 	struct napi_struct napi;
341 
342 	struct ice_ring_container rx;
343 	struct ice_ring_container tx;
344 
345 	cpumask_t affinity_mask;
346 	struct irq_affinity_notify affinity_notify;
347 
348 	char name[ICE_INT_NAME_STR_LEN];
349 } ____cacheline_internodealigned_in_smp;
350 
351 enum ice_pf_flags {
352 	ICE_FLAG_FLTR_SYNC,
353 	ICE_FLAG_RSS_ENA,
354 	ICE_FLAG_SRIOV_ENA,
355 	ICE_FLAG_SRIOV_CAPABLE,
356 	ICE_FLAG_DCB_CAPABLE,
357 	ICE_FLAG_DCB_ENA,
358 	ICE_FLAG_FD_ENA,
359 	ICE_FLAG_ADV_FEATURES,
360 	ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA,
361 	ICE_FLAG_NO_MEDIA,
362 	ICE_FLAG_FW_LLDP_AGENT,
363 	ICE_FLAG_ETHTOOL_CTXT,		/* set when ethtool holds RTNL lock */
364 	ICE_FLAG_LEGACY_RX,
365 	ICE_FLAG_VF_TRUE_PROMISC_ENA,
366 	ICE_FLAG_MDD_AUTO_RESET_VF,
367 	ICE_PF_FLAGS_NBITS		/* must be last */
368 };
369 
370 struct ice_pf {
371 	struct pci_dev *pdev;
372 
373 	/* devlink port data */
374 	struct devlink_port devlink_port;
375 
376 	struct devlink_region *nvm_region;
377 
378 	/* OS reserved IRQ details */
379 	struct msix_entry *msix_entries;
380 	struct ice_res_tracker *irq_tracker;
381 	/* First MSIX vector used by SR-IOV VFs. Calculated by subtracting the
382 	 * number of MSIX vectors needed for all SR-IOV VFs from the number of
383 	 * MSIX vectors allowed on this PF.
384 	 */
385 	u16 sriov_base_vector;
386 
387 	u16 ctrl_vsi_idx;		/* control VSI index in pf->vsi array */
388 
389 	struct ice_vsi **vsi;		/* VSIs created by the driver */
390 	struct ice_sw *first_sw;	/* first switch created by firmware */
391 	/* Virtchnl/SR-IOV config info */
392 	struct ice_vf *vf;
393 	u16 num_alloc_vfs;		/* actual number of VFs allocated */
394 	u16 num_vfs_supported;		/* num VFs supported for this PF */
395 	u16 num_qps_per_vf;
396 	u16 num_msix_per_vf;
397 	/* used to ratelimit the MDD event logging */
398 	unsigned long last_printed_mdd_jiffies;
399 	DECLARE_BITMAP(state, __ICE_STATE_NBITS);
400 	DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS);
401 	unsigned long *avail_txqs;	/* bitmap to track PF Tx queue usage */
402 	unsigned long *avail_rxqs;	/* bitmap to track PF Rx queue usage */
403 	unsigned long serv_tmr_period;
404 	unsigned long serv_tmr_prev;
405 	struct timer_list serv_tmr;
406 	struct work_struct serv_task;
407 	struct mutex avail_q_mutex;	/* protects access to avail_[rx|tx]qs */
408 	struct mutex sw_mutex;		/* lock for protecting VSI alloc flow */
409 	struct mutex tc_mutex;		/* lock to protect TC changes */
410 	u32 msg_enable;
411 	u32 hw_csum_rx_error;
412 	u16 oicr_idx;		/* Other interrupt cause MSIX vector index */
413 	u16 num_avail_sw_msix;	/* remaining MSIX SW vectors left unclaimed */
414 	u16 max_pf_txqs;	/* Total Tx queues PF wide */
415 	u16 max_pf_rxqs;	/* Total Rx queues PF wide */
416 	u16 num_lan_msix;	/* Total MSIX vectors for base driver */
417 	u16 num_lan_tx;		/* num LAN Tx queues setup */
418 	u16 num_lan_rx;		/* num LAN Rx queues setup */
419 	u16 next_vsi;		/* Next free slot in pf->vsi[] - 0-based! */
420 	u16 num_alloc_vsi;
421 	u16 corer_count;	/* Core reset count */
422 	u16 globr_count;	/* Global reset count */
423 	u16 empr_count;		/* EMP reset count */
424 	u16 pfr_count;		/* PF reset count */
425 
426 	struct ice_hw_port_stats stats;
427 	struct ice_hw_port_stats stats_prev;
428 	struct ice_hw hw;
429 	u8 stat_prev_loaded:1; /* has previous stats been loaded */
430 #ifdef CONFIG_DCB
431 	u16 dcbx_cap;
432 #endif /* CONFIG_DCB */
433 	u32 tx_timeout_count;
434 	unsigned long tx_timeout_last_recovery;
435 	u32 tx_timeout_recovery_level;
436 	char int_name[ICE_INT_NAME_STR_LEN];
437 	u32 sw_int_count;
438 };
439 
440 struct ice_netdev_priv {
441 	struct ice_vsi *vsi;
442 };
443 
444 /**
445  * ice_irq_dynamic_ena - Enable default interrupt generation settings
446  * @hw: pointer to HW struct
447  * @vsi: pointer to VSI struct, can be NULL
448  * @q_vector: pointer to q_vector, can be NULL
449  */
450 static inline void
451 ice_irq_dynamic_ena(struct ice_hw *hw, struct ice_vsi *vsi,
452 		    struct ice_q_vector *q_vector)
453 {
454 	u32 vector = (vsi && q_vector) ? q_vector->reg_idx :
455 				((struct ice_pf *)hw->back)->oicr_idx;
456 	int itr = ICE_ITR_NONE;
457 	u32 val;
458 
459 	/* clear the PBA here, as this function is meant to clean out all
460 	 * previous interrupts and enable the interrupt
461 	 */
462 	val = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M |
463 	      (itr << GLINT_DYN_CTL_ITR_INDX_S);
464 	if (vsi)
465 		if (test_bit(__ICE_DOWN, vsi->state))
466 			return;
467 	wr32(hw, GLINT_DYN_CTL(vector), val);
468 }
469 
470 /**
471  * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev
472  * @netdev: pointer to the netdev struct
473  */
474 static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev)
475 {
476 	struct ice_netdev_priv *np = netdev_priv(netdev);
477 
478 	return np->vsi->back;
479 }
480 
481 static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi)
482 {
483 	return !!vsi->xdp_prog;
484 }
485 
486 static inline void ice_set_ring_xdp(struct ice_ring *ring)
487 {
488 	ring->flags |= ICE_TX_FLAGS_RING_XDP;
489 }
490 
491 /**
492  * ice_xsk_umem - get XDP UMEM bound to a ring
493  * @ring - ring to use
494  *
495  * Returns a pointer to xdp_umem structure if there is an UMEM present,
496  * NULL otherwise.
497  */
498 static inline struct xdp_umem *ice_xsk_umem(struct ice_ring *ring)
499 {
500 	struct xdp_umem **umems = ring->vsi->xsk_umems;
501 	u16 qid = ring->q_index;
502 
503 	if (ice_ring_is_xdp(ring))
504 		qid -= ring->vsi->num_xdp_txq;
505 
506 	if (qid >= ring->vsi->num_xsk_umems || !umems || !umems[qid] ||
507 	    !ice_is_xdp_ena_vsi(ring->vsi))
508 		return NULL;
509 
510 	return umems[qid];
511 }
512 
513 /**
514  * ice_get_main_vsi - Get the PF VSI
515  * @pf: PF instance
516  *
517  * returns pf->vsi[0], which by definition is the PF VSI
518  */
519 static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf)
520 {
521 	if (pf->vsi)
522 		return pf->vsi[0];
523 
524 	return NULL;
525 }
526 
527 /**
528  * ice_get_ctrl_vsi - Get the control VSI
529  * @pf: PF instance
530  */
531 static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf)
532 {
533 	/* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */
534 	if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI)
535 		return NULL;
536 
537 	return pf->vsi[pf->ctrl_vsi_idx];
538 }
539 
540 #define ICE_FD_STAT_CTR_BLOCK_COUNT	256
541 #define ICE_FD_STAT_PF_IDX(base_idx) \
542 			((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT)
543 #define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx)
544 
545 int ice_vsi_setup_tx_rings(struct ice_vsi *vsi);
546 int ice_vsi_setup_rx_rings(struct ice_vsi *vsi);
547 int ice_vsi_open_ctrl(struct ice_vsi *vsi);
548 void ice_set_ethtool_ops(struct net_device *netdev);
549 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev);
550 u16 ice_get_avail_txq_count(struct ice_pf *pf);
551 u16 ice_get_avail_rxq_count(struct ice_pf *pf);
552 int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx);
553 void ice_update_vsi_stats(struct ice_vsi *vsi);
554 void ice_update_pf_stats(struct ice_pf *pf);
555 int ice_up(struct ice_vsi *vsi);
556 int ice_down(struct ice_vsi *vsi);
557 int ice_vsi_cfg(struct ice_vsi *vsi);
558 struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi);
559 int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog);
560 int ice_destroy_xdp_rings(struct ice_vsi *vsi);
561 int
562 ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
563 	     u32 flags);
564 int ice_set_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
565 int ice_get_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
566 void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size);
567 int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset);
568 void ice_print_link_msg(struct ice_vsi *vsi, bool isup);
569 const char *ice_stat_str(enum ice_status stat_err);
570 const char *ice_aq_str(enum ice_aq_err aq_err);
571 int
572 ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add,
573 		    bool is_tun);
574 void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena);
575 int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
576 int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
577 int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd);
578 int
579 ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd,
580 		      u32 *rule_locs);
581 void ice_fdir_release_flows(struct ice_hw *hw);
582 void ice_fdir_replay_flows(struct ice_hw *hw);
583 void ice_fdir_replay_fltrs(struct ice_pf *pf);
584 int ice_fdir_create_dflt_rules(struct ice_pf *pf);
585 int ice_open(struct net_device *netdev);
586 int ice_stop(struct net_device *netdev);
587 void ice_service_task_schedule(struct ice_pf *pf);
588 
589 #endif /* _ICE_H_ */
590