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/wait.h>
23 #include <linux/aer.h>
24 #include <linux/interrupt.h>
25 #include <linux/ethtool.h>
26 #include <linux/timer.h>
27 #include <linux/delay.h>
28 #include <linux/bitmap.h>
29 #include <linux/log2.h>
30 #include <linux/ip.h>
31 #include <linux/sctp.h>
32 #include <linux/ipv6.h>
33 #include <linux/pkt_sched.h>
34 #include <linux/if_bridge.h>
35 #include <linux/ctype.h>
36 #include <linux/bpf.h>
37 #include <linux/avf/virtchnl.h>
38 #include <linux/cpu_rmap.h>
39 #include <net/devlink.h>
40 #include <net/ipv6.h>
41 #include <net/xdp_sock.h>
42 #include <net/geneve.h>
43 #include <net/gre.h>
44 #include <net/udp_tunnel.h>
45 #include <net/vxlan.h>
46 #include "ice_devids.h"
47 #include "ice_type.h"
48 #include "ice_txrx.h"
49 #include "ice_dcb.h"
50 #include "ice_switch.h"
51 #include "ice_common.h"
52 #include "ice_sched.h"
53 #include "ice_virtchnl_pf.h"
54 #include "ice_sriov.h"
55 #include "ice_fdir.h"
56 #include "ice_xsk.h"
57 #include "ice_arfs.h"
58 
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_LINK_DEFAULT_OVERRIDE_PENDING,
227 	__ICE_PHY_INIT_COMPLETE,
228 	__ICE_STATE_NBITS		/* must be last */
229 };
230 
231 enum ice_vsi_flags {
232 	ICE_VSI_FLAG_UMAC_FLTR_CHANGED,
233 	ICE_VSI_FLAG_MMAC_FLTR_CHANGED,
234 	ICE_VSI_FLAG_VLAN_FLTR_CHANGED,
235 	ICE_VSI_FLAG_PROMISC_CHANGED,
236 	ICE_VSI_FLAG_NBITS		/* must be last */
237 };
238 
239 /* struct that defines a VSI, associated with a dev */
240 struct ice_vsi {
241 	struct net_device *netdev;
242 	struct ice_sw *vsw;		 /* switch this VSI is on */
243 	struct ice_pf *back;		 /* back pointer to PF */
244 	struct ice_port_info *port_info; /* back pointer to port_info */
245 	struct ice_ring **rx_rings;	 /* Rx ring array */
246 	struct ice_ring **tx_rings;	 /* Tx ring array */
247 	struct ice_q_vector **q_vectors; /* q_vector array */
248 
249 	irqreturn_t (*irq_handler)(int irq, void *data);
250 
251 	u64 tx_linearize;
252 	DECLARE_BITMAP(state, __ICE_STATE_NBITS);
253 	DECLARE_BITMAP(flags, ICE_VSI_FLAG_NBITS);
254 	unsigned int current_netdev_flags;
255 	u32 tx_restart;
256 	u32 tx_busy;
257 	u32 rx_buf_failed;
258 	u32 rx_page_failed;
259 	u32 rx_gro_dropped;
260 	u16 num_q_vectors;
261 	u16 base_vector;		/* IRQ base for OS reserved vectors */
262 	enum ice_vsi_type type;
263 	u16 vsi_num;			/* HW (absolute) index of this VSI */
264 	u16 idx;			/* software index in pf->vsi[] */
265 
266 	s16 vf_id;			/* VF ID for SR-IOV VSIs */
267 
268 	u16 ethtype;			/* Ethernet protocol for pause frame */
269 	u16 num_gfltr;
270 	u16 num_bfltr;
271 
272 	/* RSS config */
273 	u16 rss_table_size;	/* HW RSS table size */
274 	u16 rss_size;		/* Allocated RSS queues */
275 	u8 *rss_hkey_user;	/* User configured hash keys */
276 	u8 *rss_lut_user;	/* User configured lookup table entries */
277 	u8 rss_lut_type;	/* used to configure Get/Set RSS LUT AQ call */
278 
279 	/* aRFS members only allocated for the PF VSI */
280 #define ICE_MAX_ARFS_LIST	1024
281 #define ICE_ARFS_LST_MASK	(ICE_MAX_ARFS_LIST - 1)
282 	struct hlist_head *arfs_fltr_list;
283 	struct ice_arfs_active_fltr_cntrs *arfs_fltr_cntrs;
284 	spinlock_t arfs_lock;	/* protects aRFS hash table and filter state */
285 	atomic_t *arfs_last_fltr_id;
286 
287 	/* devlink port data */
288 	struct devlink_port devlink_port;
289 	bool devlink_port_registered;
290 
291 	u16 max_frame;
292 	u16 rx_buf_len;
293 
294 	struct ice_aqc_vsi_props info;	 /* VSI properties */
295 
296 	/* VSI stats */
297 	struct rtnl_link_stats64 net_stats;
298 	struct ice_eth_stats eth_stats;
299 	struct ice_eth_stats eth_stats_prev;
300 
301 	struct list_head tmp_sync_list;		/* MAC filters to be synced */
302 	struct list_head tmp_unsync_list;	/* MAC filters to be unsynced */
303 
304 	u8 irqs_ready:1;
305 	u8 current_isup:1;		 /* Sync 'link up' logging */
306 	u8 stat_offsets_loaded:1;
307 	u8 vlan_ena:1;
308 	u16 num_vlan;
309 
310 	/* queue information */
311 	u8 tx_mapping_mode;		 /* ICE_MAP_MODE_[CONTIG|SCATTER] */
312 	u8 rx_mapping_mode;		 /* ICE_MAP_MODE_[CONTIG|SCATTER] */
313 	u16 *txq_map;			 /* index in pf->avail_txqs */
314 	u16 *rxq_map;			 /* index in pf->avail_rxqs */
315 	u16 alloc_txq;			 /* Allocated Tx queues */
316 	u16 num_txq;			 /* Used Tx queues */
317 	u16 alloc_rxq;			 /* Allocated Rx queues */
318 	u16 num_rxq;			 /* Used Rx queues */
319 	u16 req_txq;			 /* User requested Tx queues */
320 	u16 req_rxq;			 /* User requested Rx queues */
321 	u16 num_rx_desc;
322 	u16 num_tx_desc;
323 	struct ice_tc_cfg tc_cfg;
324 	struct bpf_prog *xdp_prog;
325 	struct ice_ring **xdp_rings;	 /* XDP ring array */
326 	u16 num_xdp_txq;		 /* Used XDP queues */
327 	u8 xdp_mapping_mode;		 /* ICE_MAP_MODE_[CONTIG|SCATTER] */
328 	struct xsk_buff_pool **xsk_pools;
329 	u16 num_xsk_pools_used;
330 	u16 num_xsk_pools;
331 } ____cacheline_internodealigned_in_smp;
332 
333 /* struct that defines an interrupt vector */
334 struct ice_q_vector {
335 	struct ice_vsi *vsi;
336 
337 	u16 v_idx;			/* index in the vsi->q_vector array. */
338 	u16 reg_idx;
339 	u8 num_ring_rx;			/* total number of Rx rings in vector */
340 	u8 num_ring_tx;			/* total number of Tx rings in vector */
341 	u8 itr_countdown;		/* when 0 should adjust adaptive ITR */
342 	/* in usecs, need to use ice_intrl_to_usecs_reg() before writing this
343 	 * value to the device
344 	 */
345 	u8 intrl;
346 
347 	struct napi_struct napi;
348 
349 	struct ice_ring_container rx;
350 	struct ice_ring_container tx;
351 
352 	cpumask_t affinity_mask;
353 	struct irq_affinity_notify affinity_notify;
354 
355 	char name[ICE_INT_NAME_STR_LEN];
356 } ____cacheline_internodealigned_in_smp;
357 
358 enum ice_pf_flags {
359 	ICE_FLAG_FLTR_SYNC,
360 	ICE_FLAG_RSS_ENA,
361 	ICE_FLAG_SRIOV_ENA,
362 	ICE_FLAG_SRIOV_CAPABLE,
363 	ICE_FLAG_DCB_CAPABLE,
364 	ICE_FLAG_DCB_ENA,
365 	ICE_FLAG_FD_ENA,
366 	ICE_FLAG_ADV_FEATURES,
367 	ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA,
368 	ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA,
369 	ICE_FLAG_NO_MEDIA,
370 	ICE_FLAG_FW_LLDP_AGENT,
371 	ICE_FLAG_ETHTOOL_CTXT,		/* set when ethtool holds RTNL lock */
372 	ICE_FLAG_LEGACY_RX,
373 	ICE_FLAG_VF_TRUE_PROMISC_ENA,
374 	ICE_FLAG_MDD_AUTO_RESET_VF,
375 	ICE_FLAG_LINK_LENIENT_MODE_ENA,
376 	ICE_PF_FLAGS_NBITS		/* must be last */
377 };
378 
379 struct ice_pf {
380 	struct pci_dev *pdev;
381 
382 	struct devlink_region *nvm_region;
383 	struct devlink_region *devcaps_region;
384 
385 	/* OS reserved IRQ details */
386 	struct msix_entry *msix_entries;
387 	struct ice_res_tracker *irq_tracker;
388 	/* First MSIX vector used by SR-IOV VFs. Calculated by subtracting the
389 	 * number of MSIX vectors needed for all SR-IOV VFs from the number of
390 	 * MSIX vectors allowed on this PF.
391 	 */
392 	u16 sriov_base_vector;
393 
394 	u16 ctrl_vsi_idx;		/* control VSI index in pf->vsi array */
395 
396 	struct ice_vsi **vsi;		/* VSIs created by the driver */
397 	struct ice_sw *first_sw;	/* first switch created by firmware */
398 	/* Virtchnl/SR-IOV config info */
399 	struct ice_vf *vf;
400 	u16 num_alloc_vfs;		/* actual number of VFs allocated */
401 	u16 num_vfs_supported;		/* num VFs supported for this PF */
402 	u16 num_qps_per_vf;
403 	u16 num_msix_per_vf;
404 	/* used to ratelimit the MDD event logging */
405 	unsigned long last_printed_mdd_jiffies;
406 	DECLARE_BITMAP(state, __ICE_STATE_NBITS);
407 	DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS);
408 	unsigned long *avail_txqs;	/* bitmap to track PF Tx queue usage */
409 	unsigned long *avail_rxqs;	/* bitmap to track PF Rx queue usage */
410 	unsigned long serv_tmr_period;
411 	unsigned long serv_tmr_prev;
412 	struct timer_list serv_tmr;
413 	struct work_struct serv_task;
414 	struct mutex avail_q_mutex;	/* protects access to avail_[rx|tx]qs */
415 	struct mutex sw_mutex;		/* lock for protecting VSI alloc flow */
416 	struct mutex tc_mutex;		/* lock to protect TC changes */
417 	u32 msg_enable;
418 
419 	/* spinlock to protect the AdminQ wait list */
420 	spinlock_t aq_wait_lock;
421 	struct hlist_head aq_wait_list;
422 	wait_queue_head_t aq_wait_queue;
423 
424 	u32 hw_csum_rx_error;
425 	u16 oicr_idx;		/* Other interrupt cause MSIX vector index */
426 	u16 num_avail_sw_msix;	/* remaining MSIX SW vectors left unclaimed */
427 	u16 max_pf_txqs;	/* Total Tx queues PF wide */
428 	u16 max_pf_rxqs;	/* Total Rx queues PF wide */
429 	u16 num_lan_msix;	/* Total MSIX vectors for base driver */
430 	u16 num_lan_tx;		/* num LAN Tx queues setup */
431 	u16 num_lan_rx;		/* num LAN Rx queues setup */
432 	u16 next_vsi;		/* Next free slot in pf->vsi[] - 0-based! */
433 	u16 num_alloc_vsi;
434 	u16 corer_count;	/* Core reset count */
435 	u16 globr_count;	/* Global reset count */
436 	u16 empr_count;		/* EMP reset count */
437 	u16 pfr_count;		/* PF reset count */
438 
439 	u8 wol_ena : 1;		/* software state of WoL */
440 	u32 wakeup_reason;	/* last wakeup reason */
441 	struct ice_hw_port_stats stats;
442 	struct ice_hw_port_stats stats_prev;
443 	struct ice_hw hw;
444 	u8 stat_prev_loaded:1; /* has previous stats been loaded */
445 #ifdef CONFIG_DCB
446 	u16 dcbx_cap;
447 #endif /* CONFIG_DCB */
448 	u32 tx_timeout_count;
449 	unsigned long tx_timeout_last_recovery;
450 	u32 tx_timeout_recovery_level;
451 	char int_name[ICE_INT_NAME_STR_LEN];
452 	u32 sw_int_count;
453 
454 	__le64 nvm_phy_type_lo; /* NVM PHY type low */
455 	__le64 nvm_phy_type_hi; /* NVM PHY type high */
456 	struct ice_link_default_override_tlv link_dflt_override;
457 };
458 
459 struct ice_netdev_priv {
460 	struct ice_vsi *vsi;
461 };
462 
463 /**
464  * ice_irq_dynamic_ena - Enable default interrupt generation settings
465  * @hw: pointer to HW struct
466  * @vsi: pointer to VSI struct, can be NULL
467  * @q_vector: pointer to q_vector, can be NULL
468  */
469 static inline void
ice_irq_dynamic_ena(struct ice_hw * hw,struct ice_vsi * vsi,struct ice_q_vector * q_vector)470 ice_irq_dynamic_ena(struct ice_hw *hw, struct ice_vsi *vsi,
471 		    struct ice_q_vector *q_vector)
472 {
473 	u32 vector = (vsi && q_vector) ? q_vector->reg_idx :
474 				((struct ice_pf *)hw->back)->oicr_idx;
475 	int itr = ICE_ITR_NONE;
476 	u32 val;
477 
478 	/* clear the PBA here, as this function is meant to clean out all
479 	 * previous interrupts and enable the interrupt
480 	 */
481 	val = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M |
482 	      (itr << GLINT_DYN_CTL_ITR_INDX_S);
483 	if (vsi)
484 		if (test_bit(__ICE_DOWN, vsi->state))
485 			return;
486 	wr32(hw, GLINT_DYN_CTL(vector), val);
487 }
488 
489 /**
490  * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev
491  * @netdev: pointer to the netdev struct
492  */
ice_netdev_to_pf(struct net_device * netdev)493 static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev)
494 {
495 	struct ice_netdev_priv *np = netdev_priv(netdev);
496 
497 	return np->vsi->back;
498 }
499 
ice_is_xdp_ena_vsi(struct ice_vsi * vsi)500 static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi)
501 {
502 	return !!vsi->xdp_prog;
503 }
504 
ice_set_ring_xdp(struct ice_ring * ring)505 static inline void ice_set_ring_xdp(struct ice_ring *ring)
506 {
507 	ring->flags |= ICE_TX_FLAGS_RING_XDP;
508 }
509 
510 /**
511  * ice_xsk_pool - get XSK buffer pool bound to a ring
512  * @ring: ring to use
513  *
514  * Returns a pointer to xdp_umem structure if there is a buffer pool present,
515  * NULL otherwise.
516  */
ice_xsk_pool(struct ice_ring * ring)517 static inline struct xsk_buff_pool *ice_xsk_pool(struct ice_ring *ring)
518 {
519 	struct xsk_buff_pool **pools = ring->vsi->xsk_pools;
520 	u16 qid = ring->q_index;
521 
522 	if (ice_ring_is_xdp(ring))
523 		qid -= ring->vsi->num_xdp_txq;
524 
525 	if (qid >= ring->vsi->num_xsk_pools || !pools || !pools[qid] ||
526 	    !ice_is_xdp_ena_vsi(ring->vsi))
527 		return NULL;
528 
529 	return pools[qid];
530 }
531 
532 /**
533  * ice_get_main_vsi - Get the PF VSI
534  * @pf: PF instance
535  *
536  * returns pf->vsi[0], which by definition is the PF VSI
537  */
ice_get_main_vsi(struct ice_pf * pf)538 static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf)
539 {
540 	if (pf->vsi)
541 		return pf->vsi[0];
542 
543 	return NULL;
544 }
545 
546 /**
547  * ice_get_ctrl_vsi - Get the control VSI
548  * @pf: PF instance
549  */
ice_get_ctrl_vsi(struct ice_pf * pf)550 static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf)
551 {
552 	/* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */
553 	if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI)
554 		return NULL;
555 
556 	return pf->vsi[pf->ctrl_vsi_idx];
557 }
558 
559 #define ICE_FD_STAT_CTR_BLOCK_COUNT	256
560 #define ICE_FD_STAT_PF_IDX(base_idx) \
561 			((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT)
562 #define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx)
563 
564 int ice_vsi_setup_tx_rings(struct ice_vsi *vsi);
565 int ice_vsi_setup_rx_rings(struct ice_vsi *vsi);
566 int ice_vsi_open_ctrl(struct ice_vsi *vsi);
567 void ice_set_ethtool_ops(struct net_device *netdev);
568 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev);
569 u16 ice_get_avail_txq_count(struct ice_pf *pf);
570 u16 ice_get_avail_rxq_count(struct ice_pf *pf);
571 int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx);
572 void ice_update_vsi_stats(struct ice_vsi *vsi);
573 void ice_update_pf_stats(struct ice_pf *pf);
574 int ice_up(struct ice_vsi *vsi);
575 int ice_down(struct ice_vsi *vsi);
576 int ice_vsi_cfg(struct ice_vsi *vsi);
577 struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi);
578 int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog);
579 int ice_destroy_xdp_rings(struct ice_vsi *vsi);
580 int
581 ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
582 	     u32 flags);
583 int ice_set_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
584 int ice_get_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
585 void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size);
586 int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset);
587 void ice_print_link_msg(struct ice_vsi *vsi, bool isup);
588 const char *ice_stat_str(enum ice_status stat_err);
589 const char *ice_aq_str(enum ice_aq_err aq_err);
590 bool ice_is_wol_supported(struct ice_pf *pf);
591 int
592 ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add,
593 		    bool is_tun);
594 void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena);
595 int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
596 int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
597 int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd);
598 int
599 ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd,
600 		      u32 *rule_locs);
601 void ice_fdir_release_flows(struct ice_hw *hw);
602 void ice_fdir_replay_flows(struct ice_hw *hw);
603 void ice_fdir_replay_fltrs(struct ice_pf *pf);
604 int ice_fdir_create_dflt_rules(struct ice_pf *pf);
605 int ice_aq_wait_for_event(struct ice_pf *pf, u16 opcode, unsigned long timeout,
606 			  struct ice_rq_event_info *event);
607 int ice_open(struct net_device *netdev);
608 int ice_stop(struct net_device *netdev);
609 void ice_service_task_schedule(struct ice_pf *pf);
610 
611 #endif /* _ICE_H_ */
612