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