1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
2 /* QLogic qede NIC Driver
3  * Copyright (c) 2015-2017  QLogic Corporation
4  * Copyright (c) 2019-2020 Marvell International Ltd.
5  */
6 
7 #ifndef _QEDE_H_
8 #define _QEDE_H_
9 #include <linux/workqueue.h>
10 #include <linux/netdevice.h>
11 #include <linux/interrupt.h>
12 #include <linux/bitmap.h>
13 #include <linux/kernel.h>
14 #include <linux/mutex.h>
15 #include <linux/bpf.h>
16 #include <net/xdp.h>
17 #include <linux/qed/qede_rdma.h>
18 #include <linux/io.h>
19 #ifdef CONFIG_RFS_ACCEL
20 #include <linux/cpu_rmap.h>
21 #endif
22 #include <linux/qed/common_hsi.h>
23 #include <linux/qed/eth_common.h>
24 #include <linux/qed/qed_if.h>
25 #include <linux/qed/qed_chain.h>
26 #include <linux/qed/qed_eth_if.h>
27 
28 #include <net/pkt_cls.h>
29 #include <net/tc_act/tc_gact.h>
30 
31 #define DRV_MODULE_SYM		qede
32 
33 struct qede_stats_common {
34 	u64 no_buff_discards;
35 	u64 packet_too_big_discard;
36 	u64 ttl0_discard;
37 	u64 rx_ucast_bytes;
38 	u64 rx_mcast_bytes;
39 	u64 rx_bcast_bytes;
40 	u64 rx_ucast_pkts;
41 	u64 rx_mcast_pkts;
42 	u64 rx_bcast_pkts;
43 	u64 mftag_filter_discards;
44 	u64 mac_filter_discards;
45 	u64 gft_filter_drop;
46 	u64 tx_ucast_bytes;
47 	u64 tx_mcast_bytes;
48 	u64 tx_bcast_bytes;
49 	u64 tx_ucast_pkts;
50 	u64 tx_mcast_pkts;
51 	u64 tx_bcast_pkts;
52 	u64 tx_err_drop_pkts;
53 	u64 coalesced_pkts;
54 	u64 coalesced_events;
55 	u64 coalesced_aborts_num;
56 	u64 non_coalesced_pkts;
57 	u64 coalesced_bytes;
58 	u64 link_change_count;
59 	u64 ptp_skip_txts;
60 
61 	/* port */
62 	u64 rx_64_byte_packets;
63 	u64 rx_65_to_127_byte_packets;
64 	u64 rx_128_to_255_byte_packets;
65 	u64 rx_256_to_511_byte_packets;
66 	u64 rx_512_to_1023_byte_packets;
67 	u64 rx_1024_to_1518_byte_packets;
68 	u64 rx_crc_errors;
69 	u64 rx_mac_crtl_frames;
70 	u64 rx_pause_frames;
71 	u64 rx_pfc_frames;
72 	u64 rx_align_errors;
73 	u64 rx_carrier_errors;
74 	u64 rx_oversize_packets;
75 	u64 rx_jabbers;
76 	u64 rx_undersize_packets;
77 	u64 rx_fragments;
78 	u64 tx_64_byte_packets;
79 	u64 tx_65_to_127_byte_packets;
80 	u64 tx_128_to_255_byte_packets;
81 	u64 tx_256_to_511_byte_packets;
82 	u64 tx_512_to_1023_byte_packets;
83 	u64 tx_1024_to_1518_byte_packets;
84 	u64 tx_pause_frames;
85 	u64 tx_pfc_frames;
86 	u64 brb_truncates;
87 	u64 brb_discards;
88 	u64 tx_mac_ctrl_frames;
89 };
90 
91 struct qede_stats_bb {
92 	u64 rx_1519_to_1522_byte_packets;
93 	u64 rx_1519_to_2047_byte_packets;
94 	u64 rx_2048_to_4095_byte_packets;
95 	u64 rx_4096_to_9216_byte_packets;
96 	u64 rx_9217_to_16383_byte_packets;
97 	u64 tx_1519_to_2047_byte_packets;
98 	u64 tx_2048_to_4095_byte_packets;
99 	u64 tx_4096_to_9216_byte_packets;
100 	u64 tx_9217_to_16383_byte_packets;
101 	u64 tx_lpi_entry_count;
102 	u64 tx_total_collisions;
103 };
104 
105 struct qede_stats_ah {
106 	u64 rx_1519_to_max_byte_packets;
107 	u64 tx_1519_to_max_byte_packets;
108 };
109 
110 struct qede_stats {
111 	struct qede_stats_common common;
112 
113 	union {
114 		struct qede_stats_bb bb;
115 		struct qede_stats_ah ah;
116 	};
117 };
118 
119 struct qede_vlan {
120 	struct list_head list;
121 	u16 vid;
122 	bool configured;
123 };
124 
125 struct qede_rdma_dev {
126 	struct qedr_dev *qedr_dev;
127 	struct list_head entry;
128 	struct list_head rdma_event_list;
129 	struct workqueue_struct *rdma_wq;
130 	struct kref refcnt;
131 	struct completion event_comp;
132 	bool exp_recovery;
133 };
134 
135 struct qede_ptp;
136 
137 #define QEDE_RFS_MAX_FLTR	256
138 
139 enum qede_flags_bit {
140 	QEDE_FLAGS_IS_VF = 0,
141 	QEDE_FLAGS_LINK_REQUESTED,
142 	QEDE_FLAGS_PTP_TX_IN_PRORGESS,
143 	QEDE_FLAGS_TX_TIMESTAMPING_EN
144 };
145 
146 #define QEDE_DUMP_MAX_ARGS 4
147 enum qede_dump_cmd {
148 	QEDE_DUMP_CMD_NONE = 0,
149 	QEDE_DUMP_CMD_NVM_CFG,
150 	QEDE_DUMP_CMD_GRCDUMP,
151 	QEDE_DUMP_CMD_MAX
152 };
153 
154 struct qede_dump_info {
155 	enum qede_dump_cmd cmd;
156 	u8 num_args;
157 	u32 args[QEDE_DUMP_MAX_ARGS];
158 };
159 
160 struct qede_coalesce {
161 	bool isvalid;
162 	u16 rxc;
163 	u16 txc;
164 };
165 
166 struct qede_dev {
167 	struct qed_dev			*cdev;
168 	struct net_device		*ndev;
169 	struct pci_dev			*pdev;
170 	struct devlink			*devlink;
171 
172 	u32				dp_module;
173 	u8				dp_level;
174 
175 	unsigned long			flags;
176 #define IS_VF(edev)			test_bit(QEDE_FLAGS_IS_VF, \
177 						 &(edev)->flags)
178 
179 	const struct qed_eth_ops	*ops;
180 	struct qede_ptp			*ptp;
181 	u64				ptp_skip_txts;
182 
183 	struct qed_dev_eth_info		dev_info;
184 #define QEDE_MAX_RSS_CNT(edev)		((edev)->dev_info.num_queues)
185 #define QEDE_MAX_TSS_CNT(edev)		((edev)->dev_info.num_queues)
186 #define QEDE_IS_BB(edev) \
187 	((edev)->dev_info.common.dev_type == QED_DEV_TYPE_BB)
188 #define QEDE_IS_AH(edev) \
189 	((edev)->dev_info.common.dev_type == QED_DEV_TYPE_AH)
190 
191 	struct qede_fastpath		*fp_array;
192 	struct qede_coalesce            *coal_entry;
193 	u8				req_num_tx;
194 	u8				fp_num_tx;
195 	u8				req_num_rx;
196 	u8				fp_num_rx;
197 	u16				req_queues;
198 	u16				num_queues;
199 	u16				total_xdp_queues;
200 
201 #define QEDE_QUEUE_CNT(edev)		((edev)->num_queues)
202 #define QEDE_RSS_COUNT(edev)		((edev)->num_queues - (edev)->fp_num_tx)
203 #define QEDE_RX_QUEUE_IDX(edev, i)	(i)
204 #define QEDE_TSS_COUNT(edev)		((edev)->num_queues - (edev)->fp_num_rx)
205 
206 	struct qed_int_info		int_info;
207 
208 	/* Smaller private variant of the RTNL lock */
209 	struct mutex			qede_lock;
210 	u32				state; /* Protected by qede_lock */
211 	u16				rx_buf_size;
212 	u32				rx_copybreak;
213 
214 	/* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
215 #define ETH_OVERHEAD			(ETH_HLEN + 8 + 8)
216 	/* Max supported alignment is 256 (8 shift)
217 	 * minimal alignment shift 6 is optimal for 57xxx HW performance
218 	 */
219 #define QEDE_RX_ALIGN_SHIFT		max(6, min(8, L1_CACHE_SHIFT))
220 	/* We assume skb_build() uses sizeof(struct skb_shared_info) bytes
221 	 * at the end of skb->data, to avoid wasting a full cache line.
222 	 * This reduces memory use (skb->truesize).
223 	 */
224 #define QEDE_FW_RX_ALIGN_END					\
225 	max_t(u64, 1UL << QEDE_RX_ALIGN_SHIFT,			\
226 	      SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
227 
228 	struct qede_stats		stats;
229 
230 	/* Bitfield to track initialized RSS params */
231 	u32				rss_params_inited;
232 #define QEDE_RSS_INDIR_INITED		BIT(0)
233 #define QEDE_RSS_KEY_INITED		BIT(1)
234 #define QEDE_RSS_CAPS_INITED		BIT(2)
235 
236 	u16				rss_ind_table[128];
237 	u32				rss_key[10];
238 	u8				rss_caps;
239 
240 	/* Both must be a power of two */
241 	u16				q_num_rx_buffers;
242 	u16				q_num_tx_buffers;
243 
244 	bool				gro_disable;
245 
246 	struct list_head		vlan_list;
247 	u16				configured_vlans;
248 	u16				non_configured_vlans;
249 	bool				accept_any_vlan;
250 
251 	struct delayed_work		sp_task;
252 	unsigned long			sp_flags;
253 	u16				vxlan_dst_port;
254 	u16				geneve_dst_port;
255 
256 	struct qede_arfs		*arfs;
257 	bool				wol_enabled;
258 
259 	struct qede_rdma_dev		rdma_info;
260 
261 	struct bpf_prog			*xdp_prog;
262 
263 	enum qed_hw_err_type		last_err_type;
264 	unsigned long			err_flags;
265 #define QEDE_ERR_IS_HANDLED		31
266 #define QEDE_ERR_ATTN_CLR_EN		0
267 #define QEDE_ERR_GET_DBG_INFO		1
268 #define QEDE_ERR_IS_RECOVERABLE		2
269 #define QEDE_ERR_WARN			3
270 
271 	struct qede_dump_info		dump_info;
272 	struct delayed_work		periodic_task;
273 	unsigned long			stats_coal_ticks;
274 	u32				stats_coal_usecs;
275 	spinlock_t			stats_lock; /* lock for vport stats access */
276 };
277 
278 enum QEDE_STATE {
279 	QEDE_STATE_CLOSED,
280 	QEDE_STATE_OPEN,
281 	QEDE_STATE_RECOVERY,
282 };
283 
284 #define HILO_U64(hi, lo)		((((u64)(hi)) << 32) + (lo))
285 
286 #define	MAX_NUM_TC	8
287 #define	MAX_NUM_PRI	8
288 
289 /* The driver supports the new build_skb() API:
290  * RX ring buffer contains pointer to kmalloc() data only,
291  * skb are built only after the frame was DMA-ed.
292  */
293 struct sw_rx_data {
294 	struct page *data;
295 	dma_addr_t mapping;
296 	unsigned int page_offset;
297 };
298 
299 enum qede_agg_state {
300 	QEDE_AGG_STATE_NONE  = 0,
301 	QEDE_AGG_STATE_START = 1,
302 	QEDE_AGG_STATE_ERROR = 2
303 };
304 
305 struct qede_agg_info {
306 	/* rx_buf is a data buffer that can be placed / consumed from rx bd
307 	 * chain. It has two purposes: We will preallocate the data buffer
308 	 * for each aggregation when we open the interface and will place this
309 	 * buffer on the rx-bd-ring when we receive TPA_START. We don't want
310 	 * to be in a state where allocation fails, as we can't reuse the
311 	 * consumer buffer in the rx-chain since FW may still be writing to it
312 	 * (since header needs to be modified for TPA).
313 	 * The second purpose is to keep a pointer to the bd buffer during
314 	 * aggregation.
315 	 */
316 	struct sw_rx_data buffer;
317 	struct sk_buff *skb;
318 
319 	/* We need some structs from the start cookie until termination */
320 	u16 vlan_tag;
321 
322 	bool tpa_start_fail;
323 	u8 state;
324 	u8 frag_id;
325 
326 	u8 tunnel_type;
327 };
328 
329 struct qede_rx_queue {
330 	__le16 *hw_cons_ptr;
331 	void __iomem *hw_rxq_prod_addr;
332 
333 	/* Required for the allocation of replacement buffers */
334 	struct device *dev;
335 
336 	struct bpf_prog *xdp_prog;
337 
338 	u16 sw_rx_cons;
339 	u16 sw_rx_prod;
340 
341 	u16 filled_buffers;
342 	u8 data_direction;
343 	u8 rxq_id;
344 
345 	/* Used once per each NAPI run */
346 	u16 num_rx_buffers;
347 
348 	u16 rx_headroom;
349 
350 	u32 rx_buf_size;
351 	u32 rx_buf_seg_size;
352 
353 	struct sw_rx_data *sw_rx_ring;
354 	struct qed_chain rx_bd_ring;
355 	struct qed_chain rx_comp_ring ____cacheline_aligned;
356 
357 	/* GRO */
358 	struct qede_agg_info tpa_info[ETH_TPA_MAX_AGGS_NUM];
359 
360 	/* Used once per each NAPI run */
361 	u64 rcv_pkts;
362 
363 	u64 rx_hw_errors;
364 	u64 rx_alloc_errors;
365 	u64 rx_ip_frags;
366 
367 	u64 xdp_no_pass;
368 
369 	void *handle;
370 	struct xdp_rxq_info xdp_rxq;
371 };
372 
373 union db_prod {
374 	struct eth_db_data data;
375 	u32		raw;
376 };
377 
378 struct sw_tx_bd {
379 	struct sk_buff *skb;
380 	u8 flags;
381 /* Set on the first BD descriptor when there is a split BD */
382 #define QEDE_TSO_SPLIT_BD		BIT(0)
383 };
384 
385 struct sw_tx_xdp {
386 	struct page			*page;
387 	struct xdp_frame		*xdpf;
388 	dma_addr_t			mapping;
389 };
390 
391 struct qede_tx_queue {
392 	u8				is_xdp;
393 	bool				is_legacy;
394 	u16				sw_tx_cons;
395 	u16				sw_tx_prod;
396 	u16				num_tx_buffers; /* Slowpath only */
397 
398 	u64				xmit_pkts;
399 	u64				stopped_cnt;
400 	u64				tx_mem_alloc_err;
401 
402 	__le16				*hw_cons_ptr;
403 
404 	/* Needed for the mapping of packets */
405 	struct device			*dev;
406 
407 	void __iomem			*doorbell_addr;
408 	union db_prod			tx_db;
409 
410 	/* Spinlock for XDP queues in case of XDP_REDIRECT */
411 	spinlock_t			xdp_tx_lock;
412 
413 	int				index; /* Slowpath only */
414 #define QEDE_TXQ_XDP_TO_IDX(edev, txq)	((txq)->index - \
415 					 QEDE_MAX_TSS_CNT(edev))
416 #define QEDE_TXQ_IDX_TO_XDP(edev, idx)	((idx) + QEDE_MAX_TSS_CNT(edev))
417 #define QEDE_NDEV_TXQ_ID_TO_FP_ID(edev, idx)	((edev)->fp_num_rx + \
418 						 ((idx) % QEDE_TSS_COUNT(edev)))
419 #define QEDE_NDEV_TXQ_ID_TO_TXQ_COS(edev, idx)	((idx) / QEDE_TSS_COUNT(edev))
420 #define QEDE_TXQ_TO_NDEV_TXQ_ID(edev, txq)	((QEDE_TSS_COUNT(edev) * \
421 						 (txq)->cos) + (txq)->index)
422 #define QEDE_NDEV_TXQ_ID_TO_TXQ(edev, idx)	\
423 	(&((edev)->fp_array[QEDE_NDEV_TXQ_ID_TO_FP_ID(edev, idx)].txq \
424 	[QEDE_NDEV_TXQ_ID_TO_TXQ_COS(edev, idx)]))
425 #define QEDE_FP_TC0_TXQ(fp)		(&((fp)->txq[0]))
426 
427 	/* Regular Tx requires skb + metadata for release purpose,
428 	 * while XDP requires the pages and the mapped address.
429 	 */
430 	union {
431 		struct sw_tx_bd		*skbs;
432 		struct sw_tx_xdp	*xdp;
433 	}				sw_tx_ring;
434 
435 	struct qed_chain		tx_pbl;
436 
437 	/* Slowpath; Should be kept in end [unless missing padding] */
438 	void				*handle;
439 	u16				cos;
440 	u16				ndev_txq_id;
441 };
442 
443 #define BD_UNMAP_ADDR(bd)		HILO_U64(le32_to_cpu((bd)->addr.hi), \
444 						 le32_to_cpu((bd)->addr.lo))
445 #define BD_SET_UNMAP_ADDR_LEN(bd, maddr, len)				\
446 	do {								\
447 		(bd)->addr.hi = cpu_to_le32(upper_32_bits(maddr));	\
448 		(bd)->addr.lo = cpu_to_le32(lower_32_bits(maddr));	\
449 		(bd)->nbytes = cpu_to_le16(len);			\
450 	} while (0)
451 #define BD_UNMAP_LEN(bd)		(le16_to_cpu((bd)->nbytes))
452 
453 struct qede_fastpath {
454 	struct qede_dev			*edev;
455 
456 	u8				type;
457 #define QEDE_FASTPATH_TX		BIT(0)
458 #define QEDE_FASTPATH_RX		BIT(1)
459 #define QEDE_FASTPATH_XDP		BIT(2)
460 #define QEDE_FASTPATH_COMBINED		(QEDE_FASTPATH_TX | QEDE_FASTPATH_RX)
461 
462 	u8				id;
463 
464 	u8				xdp_xmit;
465 #define QEDE_XDP_TX			BIT(0)
466 #define QEDE_XDP_REDIRECT		BIT(1)
467 
468 	struct napi_struct		napi;
469 	struct qed_sb_info		*sb_info;
470 	struct qede_rx_queue		*rxq;
471 	struct qede_tx_queue		*txq;
472 	struct qede_tx_queue		*xdp_tx;
473 
474 	char				name[IFNAMSIZ + 8];
475 };
476 
477 /* Debug print definitions */
478 #define DP_NAME(edev)			netdev_name((edev)->ndev)
479 
480 #define XMIT_PLAIN			0
481 #define XMIT_L4_CSUM			BIT(0)
482 #define XMIT_LSO			BIT(1)
483 #define XMIT_ENC			BIT(2)
484 #define XMIT_ENC_GSO_L4_CSUM		BIT(3)
485 
486 #define QEDE_CSUM_ERROR			BIT(0)
487 #define QEDE_CSUM_UNNECESSARY		BIT(1)
488 #define QEDE_TUNN_CSUM_UNNECESSARY	BIT(2)
489 
490 #define QEDE_SP_RECOVERY		0
491 #define QEDE_SP_RX_MODE			1
492 #define QEDE_SP_RSVD1                   2
493 #define QEDE_SP_RSVD2                   3
494 #define QEDE_SP_HW_ERR                  4
495 #define QEDE_SP_ARFS_CONFIG             5
496 #define QEDE_SP_AER			7
497 #define QEDE_SP_DISABLE			8
498 
499 #ifdef CONFIG_RFS_ACCEL
500 int qede_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
501 		       u16 rxq_index, u32 flow_id);
502 #define QEDE_SP_TASK_POLL_DELAY	(5 * HZ)
503 #endif
504 
505 void qede_process_arfs_filters(struct qede_dev *edev, bool free_fltr);
506 void qede_poll_for_freeing_arfs_filters(struct qede_dev *edev);
507 void qede_arfs_filter_op(void *dev, void *filter, u8 fw_rc);
508 void qede_free_arfs(struct qede_dev *edev);
509 int qede_alloc_arfs(struct qede_dev *edev);
510 int qede_add_cls_rule(struct qede_dev *edev, struct ethtool_rxnfc *info);
511 int qede_delete_flow_filter(struct qede_dev *edev, u64 cookie);
512 int qede_get_cls_rule_entry(struct qede_dev *edev, struct ethtool_rxnfc *cmd);
513 int qede_get_cls_rule_all(struct qede_dev *edev, struct ethtool_rxnfc *info,
514 			  u32 *rule_locs);
515 int qede_get_arfs_filter_count(struct qede_dev *edev);
516 
517 struct qede_reload_args {
518 	void (*func)(struct qede_dev *edev, struct qede_reload_args *args);
519 	union {
520 		netdev_features_t features;
521 		struct bpf_prog *new_prog;
522 		u16 mtu;
523 	} u;
524 };
525 
526 /* Datapath functions definition */
527 netdev_tx_t qede_start_xmit(struct sk_buff *skb, struct net_device *ndev);
528 int qede_xdp_transmit(struct net_device *dev, int n_frames,
529 		      struct xdp_frame **frames, u32 flags);
530 u16 qede_select_queue(struct net_device *dev, struct sk_buff *skb,
531 		      struct net_device *sb_dev);
532 netdev_features_t qede_features_check(struct sk_buff *skb,
533 				      struct net_device *dev,
534 				      netdev_features_t features);
535 int qede_alloc_rx_buffer(struct qede_rx_queue *rxq, bool allow_lazy);
536 int qede_free_tx_pkt(struct qede_dev *edev,
537 		     struct qede_tx_queue *txq, int *len);
538 int qede_poll(struct napi_struct *napi, int budget);
539 irqreturn_t qede_msix_fp_int(int irq, void *fp_cookie);
540 
541 /* Filtering function definitions */
542 void qede_force_mac(void *dev, u8 *mac, bool forced);
543 void qede_udp_ports_update(void *dev, u16 vxlan_port, u16 geneve_port);
544 int qede_set_mac_addr(struct net_device *ndev, void *p);
545 
546 int qede_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid);
547 int qede_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid);
548 void qede_vlan_mark_nonconfigured(struct qede_dev *edev);
549 int qede_configure_vlan_filters(struct qede_dev *edev);
550 
551 netdev_features_t qede_fix_features(struct net_device *dev,
552 				    netdev_features_t features);
553 int qede_set_features(struct net_device *dev, netdev_features_t features);
554 void qede_set_rx_mode(struct net_device *ndev);
555 void qede_config_rx_mode(struct net_device *ndev);
556 void qede_fill_rss_params(struct qede_dev *edev,
557 			  struct qed_update_vport_rss_params *rss, u8 *update);
558 
559 int qede_xdp(struct net_device *dev, struct netdev_bpf *xdp);
560 
561 #ifdef CONFIG_DCB
562 void qede_set_dcbnl_ops(struct net_device *ndev);
563 #endif
564 
565 void qede_config_debug(uint debug, u32 *p_dp_module, u8 *p_dp_level);
566 void qede_set_ethtool_ops(struct net_device *netdev);
567 void qede_set_udp_tunnels(struct qede_dev *edev);
568 void qede_reload(struct qede_dev *edev,
569 		 struct qede_reload_args *args, bool is_locked);
570 int qede_change_mtu(struct net_device *dev, int new_mtu);
571 void qede_fill_by_demand_stats(struct qede_dev *edev);
572 void __qede_lock(struct qede_dev *edev);
573 void __qede_unlock(struct qede_dev *edev);
574 bool qede_has_rx_work(struct qede_rx_queue *rxq);
575 int qede_txq_has_work(struct qede_tx_queue *txq);
576 void qede_recycle_rx_bd_ring(struct qede_rx_queue *rxq, u8 count);
577 void qede_update_rx_prod(struct qede_dev *edev, struct qede_rx_queue *rxq);
578 int qede_add_tc_flower_fltr(struct qede_dev *edev, __be16 proto,
579 			    struct flow_cls_offload *f);
580 
581 void qede_forced_speed_maps_init(void);
582 int qede_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal,
583 		      struct kernel_ethtool_coalesce *kernel_coal,
584 		      struct netlink_ext_ack *extack);
585 int qede_set_per_coalesce(struct net_device *dev, u32 queue,
586 			  struct ethtool_coalesce *coal);
587 
588 #define RX_RING_SIZE_POW	13
589 #define RX_RING_SIZE		((u16)BIT(RX_RING_SIZE_POW))
590 #define NUM_RX_BDS_MAX		(RX_RING_SIZE - 1)
591 #define NUM_RX_BDS_MIN		128
592 #define NUM_RX_BDS_KDUMP_MIN	63
593 #define NUM_RX_BDS_DEF		((u16)BIT(10) - 1)
594 
595 #define TX_RING_SIZE_POW	13
596 #define TX_RING_SIZE		((u16)BIT(TX_RING_SIZE_POW))
597 #define NUM_TX_BDS_MAX		(TX_RING_SIZE - 1)
598 #define NUM_TX_BDS_MIN		128
599 #define NUM_TX_BDS_KDUMP_MIN	63
600 #define NUM_TX_BDS_DEF		NUM_TX_BDS_MAX
601 
602 #define QEDE_MIN_PKT_LEN		64
603 #define QEDE_RX_HDR_SIZE		256
604 #define QEDE_MAX_JUMBO_PACKET_SIZE	9600
605 #define	for_each_queue(i) for (i = 0; i < edev->num_queues; i++)
606 #define for_each_cos_in_txq(edev, var) \
607 	for ((var) = 0; (var) < (edev)->dev_info.num_tc; (var)++)
608 
609 #endif /* _QEDE_H_ */
610