xref: /linux/drivers/net/ethernet/qlogic/qede/qede.h (revision a1c3be890440a1769ed6f822376a3e3ab0d42994)
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/compiler.h>
10 #include <linux/version.h>
11 #include <linux/workqueue.h>
12 #include <linux/netdevice.h>
13 #include <linux/interrupt.h>
14 #include <linux/bitmap.h>
15 #include <linux/kernel.h>
16 #include <linux/mutex.h>
17 #include <linux/bpf.h>
18 #include <net/xdp.h>
19 #include <linux/qed/qede_rdma.h>
20 #include <linux/io.h>
21 #ifdef CONFIG_RFS_ACCEL
22 #include <linux/cpu_rmap.h>
23 #endif
24 #include <linux/qed/common_hsi.h>
25 #include <linux/qed/eth_common.h>
26 #include <linux/qed/qed_if.h>
27 #include <linux/qed/qed_chain.h>
28 #include <linux/qed/qed_eth_if.h>
29 
30 #include <net/pkt_cls.h>
31 #include <net/tc_act/tc_gact.h>
32 
33 #define QEDE_MAJOR_VERSION		8
34 #define QEDE_MINOR_VERSION		37
35 #define QEDE_REVISION_VERSION		0
36 #define QEDE_ENGINEERING_VERSION	20
37 #define DRV_MODULE_VERSION __stringify(QEDE_MAJOR_VERSION) "."	\
38 		__stringify(QEDE_MINOR_VERSION) "."		\
39 		__stringify(QEDE_REVISION_VERSION) "."		\
40 		__stringify(QEDE_ENGINEERING_VERSION)
41 
42 #define DRV_MODULE_SYM		qede
43 
44 struct qede_stats_common {
45 	u64 no_buff_discards;
46 	u64 packet_too_big_discard;
47 	u64 ttl0_discard;
48 	u64 rx_ucast_bytes;
49 	u64 rx_mcast_bytes;
50 	u64 rx_bcast_bytes;
51 	u64 rx_ucast_pkts;
52 	u64 rx_mcast_pkts;
53 	u64 rx_bcast_pkts;
54 	u64 mftag_filter_discards;
55 	u64 mac_filter_discards;
56 	u64 gft_filter_drop;
57 	u64 tx_ucast_bytes;
58 	u64 tx_mcast_bytes;
59 	u64 tx_bcast_bytes;
60 	u64 tx_ucast_pkts;
61 	u64 tx_mcast_pkts;
62 	u64 tx_bcast_pkts;
63 	u64 tx_err_drop_pkts;
64 	u64 coalesced_pkts;
65 	u64 coalesced_events;
66 	u64 coalesced_aborts_num;
67 	u64 non_coalesced_pkts;
68 	u64 coalesced_bytes;
69 	u64 link_change_count;
70 	u64 ptp_skip_txts;
71 
72 	/* port */
73 	u64 rx_64_byte_packets;
74 	u64 rx_65_to_127_byte_packets;
75 	u64 rx_128_to_255_byte_packets;
76 	u64 rx_256_to_511_byte_packets;
77 	u64 rx_512_to_1023_byte_packets;
78 	u64 rx_1024_to_1518_byte_packets;
79 	u64 rx_crc_errors;
80 	u64 rx_mac_crtl_frames;
81 	u64 rx_pause_frames;
82 	u64 rx_pfc_frames;
83 	u64 rx_align_errors;
84 	u64 rx_carrier_errors;
85 	u64 rx_oversize_packets;
86 	u64 rx_jabbers;
87 	u64 rx_undersize_packets;
88 	u64 rx_fragments;
89 	u64 tx_64_byte_packets;
90 	u64 tx_65_to_127_byte_packets;
91 	u64 tx_128_to_255_byte_packets;
92 	u64 tx_256_to_511_byte_packets;
93 	u64 tx_512_to_1023_byte_packets;
94 	u64 tx_1024_to_1518_byte_packets;
95 	u64 tx_pause_frames;
96 	u64 tx_pfc_frames;
97 	u64 brb_truncates;
98 	u64 brb_discards;
99 	u64 tx_mac_ctrl_frames;
100 };
101 
102 struct qede_stats_bb {
103 	u64 rx_1519_to_1522_byte_packets;
104 	u64 rx_1519_to_2047_byte_packets;
105 	u64 rx_2048_to_4095_byte_packets;
106 	u64 rx_4096_to_9216_byte_packets;
107 	u64 rx_9217_to_16383_byte_packets;
108 	u64 tx_1519_to_2047_byte_packets;
109 	u64 tx_2048_to_4095_byte_packets;
110 	u64 tx_4096_to_9216_byte_packets;
111 	u64 tx_9217_to_16383_byte_packets;
112 	u64 tx_lpi_entry_count;
113 	u64 tx_total_collisions;
114 };
115 
116 struct qede_stats_ah {
117 	u64 rx_1519_to_max_byte_packets;
118 	u64 tx_1519_to_max_byte_packets;
119 };
120 
121 struct qede_stats {
122 	struct qede_stats_common common;
123 
124 	union {
125 		struct qede_stats_bb bb;
126 		struct qede_stats_ah ah;
127 	};
128 };
129 
130 struct qede_vlan {
131 	struct list_head list;
132 	u16 vid;
133 	bool configured;
134 };
135 
136 struct qede_rdma_dev {
137 	struct qedr_dev *qedr_dev;
138 	struct list_head entry;
139 	struct list_head rdma_event_list;
140 	struct workqueue_struct *rdma_wq;
141 	struct kref refcnt;
142 	struct completion event_comp;
143 	bool exp_recovery;
144 };
145 
146 struct qede_ptp;
147 
148 #define QEDE_RFS_MAX_FLTR	256
149 
150 enum qede_flags_bit {
151 	QEDE_FLAGS_IS_VF = 0,
152 	QEDE_FLAGS_LINK_REQUESTED,
153 	QEDE_FLAGS_PTP_TX_IN_PRORGESS,
154 	QEDE_FLAGS_TX_TIMESTAMPING_EN
155 };
156 
157 #define QEDE_DUMP_MAX_ARGS 4
158 enum qede_dump_cmd {
159 	QEDE_DUMP_CMD_NONE = 0,
160 	QEDE_DUMP_CMD_NVM_CFG,
161 	QEDE_DUMP_CMD_GRCDUMP,
162 	QEDE_DUMP_CMD_MAX
163 };
164 
165 struct qede_dump_info {
166 	enum qede_dump_cmd cmd;
167 	u8 num_args;
168 	u32 args[QEDE_DUMP_MAX_ARGS];
169 };
170 
171 struct qede_coalesce {
172 	bool isvalid;
173 	u16 rxc;
174 	u16 txc;
175 };
176 
177 struct qede_dev {
178 	struct qed_dev			*cdev;
179 	struct net_device		*ndev;
180 	struct pci_dev			*pdev;
181 	struct devlink			*devlink;
182 
183 	u32				dp_module;
184 	u8				dp_level;
185 
186 	unsigned long			flags;
187 #define IS_VF(edev)			test_bit(QEDE_FLAGS_IS_VF, \
188 						 &(edev)->flags)
189 
190 	const struct qed_eth_ops	*ops;
191 	struct qede_ptp			*ptp;
192 	u64				ptp_skip_txts;
193 
194 	struct qed_dev_eth_info		dev_info;
195 #define QEDE_MAX_RSS_CNT(edev)		((edev)->dev_info.num_queues)
196 #define QEDE_MAX_TSS_CNT(edev)		((edev)->dev_info.num_queues)
197 #define QEDE_IS_BB(edev) \
198 	((edev)->dev_info.common.dev_type == QED_DEV_TYPE_BB)
199 #define QEDE_IS_AH(edev) \
200 	((edev)->dev_info.common.dev_type == QED_DEV_TYPE_AH)
201 
202 	struct qede_fastpath		*fp_array;
203 	struct qede_coalesce            *coal_entry;
204 	u8				req_num_tx;
205 	u8				fp_num_tx;
206 	u8				req_num_rx;
207 	u8				fp_num_rx;
208 	u16				req_queues;
209 	u16				num_queues;
210 	u16				total_xdp_queues;
211 
212 #define QEDE_QUEUE_CNT(edev)		((edev)->num_queues)
213 #define QEDE_RSS_COUNT(edev)		((edev)->num_queues - (edev)->fp_num_tx)
214 #define QEDE_RX_QUEUE_IDX(edev, i)	(i)
215 #define QEDE_TSS_COUNT(edev)		((edev)->num_queues - (edev)->fp_num_rx)
216 
217 	struct qed_int_info		int_info;
218 
219 	/* Smaller private variant of the RTNL lock */
220 	struct mutex			qede_lock;
221 	u32				state; /* Protected by qede_lock */
222 	u16				rx_buf_size;
223 	u32				rx_copybreak;
224 
225 	/* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
226 #define ETH_OVERHEAD			(ETH_HLEN + 8 + 8)
227 	/* Max supported alignment is 256 (8 shift)
228 	 * minimal alignment shift 6 is optimal for 57xxx HW performance
229 	 */
230 #define QEDE_RX_ALIGN_SHIFT		max(6, min(8, L1_CACHE_SHIFT))
231 	/* We assume skb_build() uses sizeof(struct skb_shared_info) bytes
232 	 * at the end of skb->data, to avoid wasting a full cache line.
233 	 * This reduces memory use (skb->truesize).
234 	 */
235 #define QEDE_FW_RX_ALIGN_END					\
236 	max_t(u64, 1UL << QEDE_RX_ALIGN_SHIFT,			\
237 	      SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
238 
239 	struct qede_stats		stats;
240 
241 	/* Bitfield to track initialized RSS params */
242 	u32				rss_params_inited;
243 #define QEDE_RSS_INDIR_INITED		BIT(0)
244 #define QEDE_RSS_KEY_INITED		BIT(1)
245 #define QEDE_RSS_CAPS_INITED		BIT(2)
246 
247 	u16				rss_ind_table[128];
248 	u32				rss_key[10];
249 	u8				rss_caps;
250 
251 	/* Both must be a power of two */
252 	u16				q_num_rx_buffers;
253 	u16				q_num_tx_buffers;
254 
255 	bool				gro_disable;
256 
257 	struct list_head		vlan_list;
258 	u16				configured_vlans;
259 	u16				non_configured_vlans;
260 	bool				accept_any_vlan;
261 
262 	struct delayed_work		sp_task;
263 	unsigned long			sp_flags;
264 	u16				vxlan_dst_port;
265 	u16				geneve_dst_port;
266 
267 	struct qede_arfs		*arfs;
268 	bool				wol_enabled;
269 
270 	struct qede_rdma_dev		rdma_info;
271 
272 	struct bpf_prog			*xdp_prog;
273 
274 	enum qed_hw_err_type		last_err_type;
275 	unsigned long			err_flags;
276 #define QEDE_ERR_IS_HANDLED		31
277 #define QEDE_ERR_ATTN_CLR_EN		0
278 #define QEDE_ERR_GET_DBG_INFO		1
279 #define QEDE_ERR_IS_RECOVERABLE		2
280 #define QEDE_ERR_WARN			3
281 
282 	struct qede_dump_info		dump_info;
283 };
284 
285 enum QEDE_STATE {
286 	QEDE_STATE_CLOSED,
287 	QEDE_STATE_OPEN,
288 	QEDE_STATE_RECOVERY,
289 };
290 
291 #define HILO_U64(hi, lo)		((((u64)(hi)) << 32) + (lo))
292 
293 #define	MAX_NUM_TC	8
294 #define	MAX_NUM_PRI	8
295 
296 /* The driver supports the new build_skb() API:
297  * RX ring buffer contains pointer to kmalloc() data only,
298  * skb are built only after the frame was DMA-ed.
299  */
300 struct sw_rx_data {
301 	struct page *data;
302 	dma_addr_t mapping;
303 	unsigned int page_offset;
304 };
305 
306 enum qede_agg_state {
307 	QEDE_AGG_STATE_NONE  = 0,
308 	QEDE_AGG_STATE_START = 1,
309 	QEDE_AGG_STATE_ERROR = 2
310 };
311 
312 struct qede_agg_info {
313 	/* rx_buf is a data buffer that can be placed / consumed from rx bd
314 	 * chain. It has two purposes: We will preallocate the data buffer
315 	 * for each aggregation when we open the interface and will place this
316 	 * buffer on the rx-bd-ring when we receive TPA_START. We don't want
317 	 * to be in a state where allocation fails, as we can't reuse the
318 	 * consumer buffer in the rx-chain since FW may still be writing to it
319 	 * (since header needs to be modified for TPA).
320 	 * The second purpose is to keep a pointer to the bd buffer during
321 	 * aggregation.
322 	 */
323 	struct sw_rx_data buffer;
324 	struct sk_buff *skb;
325 
326 	/* We need some structs from the start cookie until termination */
327 	u16 vlan_tag;
328 
329 	bool tpa_start_fail;
330 	u8 state;
331 	u8 frag_id;
332 
333 	u8 tunnel_type;
334 };
335 
336 struct qede_rx_queue {
337 	__le16 *hw_cons_ptr;
338 	void __iomem *hw_rxq_prod_addr;
339 
340 	/* Required for the allocation of replacement buffers */
341 	struct device *dev;
342 
343 	struct bpf_prog *xdp_prog;
344 
345 	u16 sw_rx_cons;
346 	u16 sw_rx_prod;
347 
348 	u16 filled_buffers;
349 	u8 data_direction;
350 	u8 rxq_id;
351 
352 	/* Used once per each NAPI run */
353 	u16 num_rx_buffers;
354 
355 	u16 rx_headroom;
356 
357 	u32 rx_buf_size;
358 	u32 rx_buf_seg_size;
359 
360 	struct sw_rx_data *sw_rx_ring;
361 	struct qed_chain rx_bd_ring;
362 	struct qed_chain rx_comp_ring ____cacheline_aligned;
363 
364 	/* GRO */
365 	struct qede_agg_info tpa_info[ETH_TPA_MAX_AGGS_NUM];
366 
367 	/* Used once per each NAPI run */
368 	u64 rcv_pkts;
369 
370 	u64 rx_hw_errors;
371 	u64 rx_alloc_errors;
372 	u64 rx_ip_frags;
373 
374 	u64 xdp_no_pass;
375 
376 	void *handle;
377 	struct xdp_rxq_info xdp_rxq;
378 };
379 
380 union db_prod {
381 	struct eth_db_data data;
382 	u32		raw;
383 };
384 
385 struct sw_tx_bd {
386 	struct sk_buff *skb;
387 	u8 flags;
388 /* Set on the first BD descriptor when there is a split BD */
389 #define QEDE_TSO_SPLIT_BD		BIT(0)
390 };
391 
392 struct sw_tx_xdp {
393 	struct page			*page;
394 	struct xdp_frame		*xdpf;
395 	dma_addr_t			mapping;
396 };
397 
398 struct qede_tx_queue {
399 	u8				is_xdp;
400 	bool				is_legacy;
401 	u16				sw_tx_cons;
402 	u16				sw_tx_prod;
403 	u16				num_tx_buffers; /* Slowpath only */
404 
405 	u64				xmit_pkts;
406 	u64				stopped_cnt;
407 	u64				tx_mem_alloc_err;
408 
409 	__le16				*hw_cons_ptr;
410 
411 	/* Needed for the mapping of packets */
412 	struct device			*dev;
413 
414 	void __iomem			*doorbell_addr;
415 	union db_prod			tx_db;
416 
417 	/* Spinlock for XDP queues in case of XDP_REDIRECT */
418 	spinlock_t			xdp_tx_lock;
419 
420 	int				index; /* Slowpath only */
421 #define QEDE_TXQ_XDP_TO_IDX(edev, txq)	((txq)->index - \
422 					 QEDE_MAX_TSS_CNT(edev))
423 #define QEDE_TXQ_IDX_TO_XDP(edev, idx)	((idx) + QEDE_MAX_TSS_CNT(edev))
424 #define QEDE_NDEV_TXQ_ID_TO_FP_ID(edev, idx)	((edev)->fp_num_rx + \
425 						 ((idx) % QEDE_TSS_COUNT(edev)))
426 #define QEDE_NDEV_TXQ_ID_TO_TXQ_COS(edev, idx)	((idx) / QEDE_TSS_COUNT(edev))
427 #define QEDE_TXQ_TO_NDEV_TXQ_ID(edev, txq)	((QEDE_TSS_COUNT(edev) * \
428 						 (txq)->cos) + (txq)->index)
429 #define QEDE_NDEV_TXQ_ID_TO_TXQ(edev, idx)	\
430 	(&((edev)->fp_array[QEDE_NDEV_TXQ_ID_TO_FP_ID(edev, idx)].txq \
431 	[QEDE_NDEV_TXQ_ID_TO_TXQ_COS(edev, idx)]))
432 #define QEDE_FP_TC0_TXQ(fp)		(&((fp)->txq[0]))
433 
434 	/* Regular Tx requires skb + metadata for release purpose,
435 	 * while XDP requires the pages and the mapped address.
436 	 */
437 	union {
438 		struct sw_tx_bd		*skbs;
439 		struct sw_tx_xdp	*xdp;
440 	}				sw_tx_ring;
441 
442 	struct qed_chain		tx_pbl;
443 
444 	/* Slowpath; Should be kept in end [unless missing padding] */
445 	void				*handle;
446 	u16				cos;
447 	u16				ndev_txq_id;
448 };
449 
450 #define BD_UNMAP_ADDR(bd)		HILO_U64(le32_to_cpu((bd)->addr.hi), \
451 						 le32_to_cpu((bd)->addr.lo))
452 #define BD_SET_UNMAP_ADDR_LEN(bd, maddr, len)				\
453 	do {								\
454 		(bd)->addr.hi = cpu_to_le32(upper_32_bits(maddr));	\
455 		(bd)->addr.lo = cpu_to_le32(lower_32_bits(maddr));	\
456 		(bd)->nbytes = cpu_to_le16(len);			\
457 	} while (0)
458 #define BD_UNMAP_LEN(bd)		(le16_to_cpu((bd)->nbytes))
459 
460 struct qede_fastpath {
461 	struct qede_dev			*edev;
462 
463 	u8				type;
464 #define QEDE_FASTPATH_TX		BIT(0)
465 #define QEDE_FASTPATH_RX		BIT(1)
466 #define QEDE_FASTPATH_XDP		BIT(2)
467 #define QEDE_FASTPATH_COMBINED		(QEDE_FASTPATH_TX | QEDE_FASTPATH_RX)
468 
469 	u8				id;
470 
471 	u8				xdp_xmit;
472 #define QEDE_XDP_TX			BIT(0)
473 #define QEDE_XDP_REDIRECT		BIT(1)
474 
475 	struct napi_struct		napi;
476 	struct qed_sb_info		*sb_info;
477 	struct qede_rx_queue		*rxq;
478 	struct qede_tx_queue		*txq;
479 	struct qede_tx_queue		*xdp_tx;
480 
481 	char				name[IFNAMSIZ + 8];
482 };
483 
484 /* Debug print definitions */
485 #define DP_NAME(edev)			netdev_name((edev)->ndev)
486 
487 #define XMIT_PLAIN			0
488 #define XMIT_L4_CSUM			BIT(0)
489 #define XMIT_LSO			BIT(1)
490 #define XMIT_ENC			BIT(2)
491 #define XMIT_ENC_GSO_L4_CSUM		BIT(3)
492 
493 #define QEDE_CSUM_ERROR			BIT(0)
494 #define QEDE_CSUM_UNNECESSARY		BIT(1)
495 #define QEDE_TUNN_CSUM_UNNECESSARY	BIT(2)
496 
497 #define QEDE_SP_RECOVERY		0
498 #define QEDE_SP_RX_MODE			1
499 #define QEDE_SP_RSVD1                   2
500 #define QEDE_SP_RSVD2                   3
501 #define QEDE_SP_HW_ERR                  4
502 #define QEDE_SP_ARFS_CONFIG             5
503 #define QEDE_SP_AER			7
504 
505 #ifdef CONFIG_RFS_ACCEL
506 int qede_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
507 		       u16 rxq_index, u32 flow_id);
508 #define QEDE_SP_TASK_POLL_DELAY	(5 * HZ)
509 #endif
510 
511 void qede_process_arfs_filters(struct qede_dev *edev, bool free_fltr);
512 void qede_poll_for_freeing_arfs_filters(struct qede_dev *edev);
513 void qede_arfs_filter_op(void *dev, void *filter, u8 fw_rc);
514 void qede_free_arfs(struct qede_dev *edev);
515 int qede_alloc_arfs(struct qede_dev *edev);
516 int qede_add_cls_rule(struct qede_dev *edev, struct ethtool_rxnfc *info);
517 int qede_delete_flow_filter(struct qede_dev *edev, u64 cookie);
518 int qede_get_cls_rule_entry(struct qede_dev *edev, struct ethtool_rxnfc *cmd);
519 int qede_get_cls_rule_all(struct qede_dev *edev, struct ethtool_rxnfc *info,
520 			  u32 *rule_locs);
521 int qede_get_arfs_filter_count(struct qede_dev *edev);
522 
523 struct qede_reload_args {
524 	void (*func)(struct qede_dev *edev, struct qede_reload_args *args);
525 	union {
526 		netdev_features_t features;
527 		struct bpf_prog *new_prog;
528 		u16 mtu;
529 	} u;
530 };
531 
532 /* Datapath functions definition */
533 netdev_tx_t qede_start_xmit(struct sk_buff *skb, struct net_device *ndev);
534 int qede_xdp_transmit(struct net_device *dev, int n_frames,
535 		      struct xdp_frame **frames, u32 flags);
536 u16 qede_select_queue(struct net_device *dev, struct sk_buff *skb,
537 		      struct net_device *sb_dev);
538 netdev_features_t qede_features_check(struct sk_buff *skb,
539 				      struct net_device *dev,
540 				      netdev_features_t features);
541 int qede_alloc_rx_buffer(struct qede_rx_queue *rxq, bool allow_lazy);
542 int qede_free_tx_pkt(struct qede_dev *edev,
543 		     struct qede_tx_queue *txq, int *len);
544 int qede_poll(struct napi_struct *napi, int budget);
545 irqreturn_t qede_msix_fp_int(int irq, void *fp_cookie);
546 
547 /* Filtering function definitions */
548 void qede_force_mac(void *dev, u8 *mac, bool forced);
549 void qede_udp_ports_update(void *dev, u16 vxlan_port, u16 geneve_port);
550 int qede_set_mac_addr(struct net_device *ndev, void *p);
551 
552 int qede_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid);
553 int qede_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid);
554 void qede_vlan_mark_nonconfigured(struct qede_dev *edev);
555 int qede_configure_vlan_filters(struct qede_dev *edev);
556 
557 netdev_features_t qede_fix_features(struct net_device *dev,
558 				    netdev_features_t features);
559 int qede_set_features(struct net_device *dev, netdev_features_t features);
560 void qede_set_rx_mode(struct net_device *ndev);
561 void qede_config_rx_mode(struct net_device *ndev);
562 void qede_fill_rss_params(struct qede_dev *edev,
563 			  struct qed_update_vport_rss_params *rss, u8 *update);
564 
565 void qede_udp_tunnel_add(struct net_device *dev, struct udp_tunnel_info *ti);
566 void qede_udp_tunnel_del(struct net_device *dev, struct udp_tunnel_info *ti);
567 
568 int qede_xdp(struct net_device *dev, struct netdev_bpf *xdp);
569 
570 #ifdef CONFIG_DCB
571 void qede_set_dcbnl_ops(struct net_device *ndev);
572 #endif
573 
574 void qede_config_debug(uint debug, u32 *p_dp_module, u8 *p_dp_level);
575 void qede_set_ethtool_ops(struct net_device *netdev);
576 void qede_set_udp_tunnels(struct qede_dev *edev);
577 void qede_reload(struct qede_dev *edev,
578 		 struct qede_reload_args *args, bool is_locked);
579 int qede_change_mtu(struct net_device *dev, int new_mtu);
580 void qede_fill_by_demand_stats(struct qede_dev *edev);
581 void __qede_lock(struct qede_dev *edev);
582 void __qede_unlock(struct qede_dev *edev);
583 bool qede_has_rx_work(struct qede_rx_queue *rxq);
584 int qede_txq_has_work(struct qede_tx_queue *txq);
585 void qede_recycle_rx_bd_ring(struct qede_rx_queue *rxq, u8 count);
586 void qede_update_rx_prod(struct qede_dev *edev, struct qede_rx_queue *rxq);
587 int qede_add_tc_flower_fltr(struct qede_dev *edev, __be16 proto,
588 			    struct flow_cls_offload *f);
589 
590 void qede_forced_speed_maps_init(void);
591 int qede_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal);
592 int qede_set_per_coalesce(struct net_device *dev, u32 queue,
593 			  struct ethtool_coalesce *coal);
594 
595 #define RX_RING_SIZE_POW	13
596 #define RX_RING_SIZE		((u16)BIT(RX_RING_SIZE_POW))
597 #define NUM_RX_BDS_MAX		(RX_RING_SIZE - 1)
598 #define NUM_RX_BDS_MIN		128
599 #define NUM_RX_BDS_KDUMP_MIN	63
600 #define NUM_RX_BDS_DEF		((u16)BIT(10) - 1)
601 
602 #define TX_RING_SIZE_POW	13
603 #define TX_RING_SIZE		((u16)BIT(TX_RING_SIZE_POW))
604 #define NUM_TX_BDS_MAX		(TX_RING_SIZE - 1)
605 #define NUM_TX_BDS_MIN		128
606 #define NUM_TX_BDS_KDUMP_MIN	63
607 #define NUM_TX_BDS_DEF		NUM_TX_BDS_MAX
608 
609 #define QEDE_MIN_PKT_LEN		64
610 #define QEDE_RX_HDR_SIZE		256
611 #define QEDE_MAX_JUMBO_PACKET_SIZE	9600
612 #define	for_each_queue(i) for (i = 0; i < edev->num_queues; i++)
613 #define for_each_cos_in_txq(edev, var) \
614 	for ((var) = 0; (var) < (edev)->dev_info.num_tc; (var)++)
615 
616 #endif /* _QEDE_H_ */
617