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 	struct kref refcnt;
167 	struct completion event_comp;
168 	bool exp_recovery;
169 };
170 
171 struct qede_ptp;
172 
173 #define QEDE_RFS_MAX_FLTR	256
174 
175 enum qede_flags_bit {
176 	QEDE_FLAGS_IS_VF = 0,
177 	QEDE_FLAGS_LINK_REQUESTED,
178 	QEDE_FLAGS_PTP_TX_IN_PRORGESS,
179 	QEDE_FLAGS_TX_TIMESTAMPING_EN
180 };
181 
182 #define QEDE_DUMP_MAX_ARGS 4
183 enum qede_dump_cmd {
184 	QEDE_DUMP_CMD_NONE = 0,
185 	QEDE_DUMP_CMD_NVM_CFG,
186 	QEDE_DUMP_CMD_GRCDUMP,
187 	QEDE_DUMP_CMD_MAX
188 };
189 
190 struct qede_dump_info {
191 	enum qede_dump_cmd cmd;
192 	u8 num_args;
193 	u32 args[QEDE_DUMP_MAX_ARGS];
194 };
195 
196 struct qede_dev {
197 	struct qed_dev			*cdev;
198 	struct net_device		*ndev;
199 	struct pci_dev			*pdev;
200 
201 	u32				dp_module;
202 	u8				dp_level;
203 
204 	unsigned long flags;
205 #define IS_VF(edev)	(test_bit(QEDE_FLAGS_IS_VF, &(edev)->flags))
206 
207 	const struct qed_eth_ops	*ops;
208 	struct qede_ptp			*ptp;
209 	u64				ptp_skip_txts;
210 
211 	struct qed_dev_eth_info dev_info;
212 #define QEDE_MAX_RSS_CNT(edev)	((edev)->dev_info.num_queues)
213 #define QEDE_MAX_TSS_CNT(edev)	((edev)->dev_info.num_queues)
214 #define QEDE_IS_BB(edev) \
215 	((edev)->dev_info.common.dev_type == QED_DEV_TYPE_BB)
216 #define QEDE_IS_AH(edev) \
217 	((edev)->dev_info.common.dev_type == QED_DEV_TYPE_AH)
218 
219 	struct qede_fastpath		*fp_array;
220 	u8				req_num_tx;
221 	u8				fp_num_tx;
222 	u8				req_num_rx;
223 	u8				fp_num_rx;
224 	u16				req_queues;
225 	u16				num_queues;
226 #define QEDE_QUEUE_CNT(edev)	((edev)->num_queues)
227 #define QEDE_RSS_COUNT(edev)	((edev)->num_queues - (edev)->fp_num_tx)
228 #define QEDE_RX_QUEUE_IDX(edev, i)	(i)
229 #define QEDE_TSS_COUNT(edev)	((edev)->num_queues - (edev)->fp_num_rx)
230 
231 	struct qed_int_info		int_info;
232 
233 	/* Smaller private varaiant of the RTNL lock */
234 	struct mutex			qede_lock;
235 	u32				state; /* Protected by qede_lock */
236 	u16				rx_buf_size;
237 	u32				rx_copybreak;
238 
239 	/* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
240 #define ETH_OVERHEAD			(ETH_HLEN + 8 + 8)
241 	/* Max supported alignment is 256 (8 shift)
242 	 * minimal alignment shift 6 is optimal for 57xxx HW performance
243 	 */
244 #define QEDE_RX_ALIGN_SHIFT		max(6, min(8, L1_CACHE_SHIFT))
245 	/* We assume skb_build() uses sizeof(struct skb_shared_info) bytes
246 	 * at the end of skb->data, to avoid wasting a full cache line.
247 	 * This reduces memory use (skb->truesize).
248 	 */
249 #define QEDE_FW_RX_ALIGN_END					\
250 	max_t(u64, 1UL << QEDE_RX_ALIGN_SHIFT,			\
251 	      SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
252 
253 	struct qede_stats		stats;
254 #define QEDE_RSS_INDIR_INITED	BIT(0)
255 #define QEDE_RSS_KEY_INITED	BIT(1)
256 #define QEDE_RSS_CAPS_INITED	BIT(2)
257 	u32 rss_params_inited; /* bit-field to track initialized rss params */
258 	u16 rss_ind_table[128];
259 	u32 rss_key[10];
260 	u8 rss_caps;
261 
262 	u16			q_num_rx_buffers; /* Must be a power of two */
263 	u16			q_num_tx_buffers; /* Must be a power of two */
264 
265 	bool gro_disable;
266 	struct list_head vlan_list;
267 	u16 configured_vlans;
268 	u16 non_configured_vlans;
269 	bool accept_any_vlan;
270 	struct delayed_work		sp_task;
271 	unsigned long			sp_flags;
272 	u16				vxlan_dst_port;
273 	u16				geneve_dst_port;
274 
275 	struct qede_arfs		*arfs;
276 	bool				wol_enabled;
277 
278 	struct qede_rdma_dev		rdma_info;
279 
280 	struct bpf_prog *xdp_prog;
281 
282 	unsigned long err_flags;
283 #define QEDE_ERR_IS_HANDLED	31
284 #define QEDE_ERR_ATTN_CLR_EN	0
285 #define QEDE_ERR_GET_DBG_INFO	1
286 #define QEDE_ERR_IS_RECOVERABLE	2
287 #define QEDE_ERR_WARN		3
288 
289 	struct qede_dump_info		dump_info;
290 };
291 
292 enum QEDE_STATE {
293 	QEDE_STATE_CLOSED,
294 	QEDE_STATE_OPEN,
295 	QEDE_STATE_RECOVERY,
296 };
297 
298 #define HILO_U64(hi, lo)		((((u64)(hi)) << 32) + (lo))
299 
300 #define	MAX_NUM_TC	8
301 #define	MAX_NUM_PRI	8
302 
303 /* The driver supports the new build_skb() API:
304  * RX ring buffer contains pointer to kmalloc() data only,
305  * skb are built only after the frame was DMA-ed.
306  */
307 struct sw_rx_data {
308 	struct page *data;
309 	dma_addr_t mapping;
310 	unsigned int page_offset;
311 };
312 
313 enum qede_agg_state {
314 	QEDE_AGG_STATE_NONE  = 0,
315 	QEDE_AGG_STATE_START = 1,
316 	QEDE_AGG_STATE_ERROR = 2
317 };
318 
319 struct qede_agg_info {
320 	/* rx_buf is a data buffer that can be placed / consumed from rx bd
321 	 * chain. It has two purposes: We will preallocate the data buffer
322 	 * for each aggregation when we open the interface and will place this
323 	 * buffer on the rx-bd-ring when we receive TPA_START. We don't want
324 	 * to be in a state where allocation fails, as we can't reuse the
325 	 * consumer buffer in the rx-chain since FW may still be writing to it
326 	 * (since header needs to be modified for TPA).
327 	 * The second purpose is to keep a pointer to the bd buffer during
328 	 * aggregation.
329 	 */
330 	struct sw_rx_data buffer;
331 	struct sk_buff *skb;
332 
333 	/* We need some structs from the start cookie until termination */
334 	u16 vlan_tag;
335 
336 	bool tpa_start_fail;
337 	u8 state;
338 	u8 frag_id;
339 
340 	u8 tunnel_type;
341 };
342 
343 struct qede_rx_queue {
344 	__le16 *hw_cons_ptr;
345 	void __iomem *hw_rxq_prod_addr;
346 
347 	/* Required for the allocation of replacement buffers */
348 	struct device *dev;
349 
350 	struct bpf_prog *xdp_prog;
351 
352 	u16 sw_rx_cons;
353 	u16 sw_rx_prod;
354 
355 	u16 filled_buffers;
356 	u8 data_direction;
357 	u8 rxq_id;
358 
359 	/* Used once per each NAPI run */
360 	u16 num_rx_buffers;
361 
362 	u16 rx_headroom;
363 
364 	u32 rx_buf_size;
365 	u32 rx_buf_seg_size;
366 
367 	struct sw_rx_data *sw_rx_ring;
368 	struct qed_chain rx_bd_ring;
369 	struct qed_chain rx_comp_ring ____cacheline_aligned;
370 
371 	/* GRO */
372 	struct qede_agg_info tpa_info[ETH_TPA_MAX_AGGS_NUM];
373 
374 	/* Used once per each NAPI run */
375 	u64 rcv_pkts;
376 
377 	u64 rx_hw_errors;
378 	u64 rx_alloc_errors;
379 	u64 rx_ip_frags;
380 
381 	u64 xdp_no_pass;
382 
383 	void *handle;
384 	struct xdp_rxq_info xdp_rxq;
385 };
386 
387 union db_prod {
388 	struct eth_db_data data;
389 	u32		raw;
390 };
391 
392 struct sw_tx_bd {
393 	struct sk_buff *skb;
394 	u8 flags;
395 /* Set on the first BD descriptor when there is a split BD */
396 #define QEDE_TSO_SPLIT_BD		BIT(0)
397 };
398 
399 struct sw_tx_xdp {
400 	struct page *page;
401 	dma_addr_t mapping;
402 };
403 
404 struct qede_tx_queue {
405 	u8 is_xdp;
406 	bool is_legacy;
407 	u16 sw_tx_cons;
408 	u16 sw_tx_prod;
409 	u16 num_tx_buffers; /* Slowpath only */
410 
411 	u64 xmit_pkts;
412 	u64 stopped_cnt;
413 	u64 tx_mem_alloc_err;
414 
415 	__le16 *hw_cons_ptr;
416 
417 	/* Needed for the mapping of packets */
418 	struct device *dev;
419 
420 	void __iomem *doorbell_addr;
421 	union db_prod tx_db;
422 	int index; /* Slowpath only */
423 #define QEDE_TXQ_XDP_TO_IDX(edev, txq)	((txq)->index - \
424 					 QEDE_MAX_TSS_CNT(edev))
425 #define QEDE_TXQ_IDX_TO_XDP(edev, idx)	((idx) + QEDE_MAX_TSS_CNT(edev))
426 #define QEDE_NDEV_TXQ_ID_TO_FP_ID(edev, idx)	((edev)->fp_num_rx + \
427 						 ((idx) % QEDE_TSS_COUNT(edev)))
428 #define QEDE_NDEV_TXQ_ID_TO_TXQ_COS(edev, idx)	((idx) / QEDE_TSS_COUNT(edev))
429 #define QEDE_TXQ_TO_NDEV_TXQ_ID(edev, txq)	((QEDE_TSS_COUNT(edev) * \
430 						 (txq)->cos) + (txq)->index)
431 #define QEDE_NDEV_TXQ_ID_TO_TXQ(edev, idx)	\
432 	(&((edev)->fp_array[QEDE_NDEV_TXQ_ID_TO_FP_ID(edev, idx)].txq \
433 	[QEDE_NDEV_TXQ_ID_TO_TXQ_COS(edev, idx)]))
434 #define QEDE_FP_TC0_TXQ(fp)	(&((fp)->txq[0]))
435 
436 	/* Regular Tx requires skb + metadata for release purpose,
437 	 * while XDP requires the pages and the mapped address.
438 	 */
439 	union {
440 		struct sw_tx_bd *skbs;
441 		struct sw_tx_xdp *xdp;
442 	} sw_tx_ring;
443 
444 	struct qed_chain tx_pbl;
445 
446 	/* Slowpath; Should be kept in end [unless missing padding] */
447 	void *handle;
448 	u16 cos;
449 	u16 ndev_txq_id;
450 };
451 
452 #define BD_UNMAP_ADDR(bd)		HILO_U64(le32_to_cpu((bd)->addr.hi), \
453 						 le32_to_cpu((bd)->addr.lo))
454 #define BD_SET_UNMAP_ADDR_LEN(bd, maddr, len)				\
455 	do {								\
456 		(bd)->addr.hi = cpu_to_le32(upper_32_bits(maddr));	\
457 		(bd)->addr.lo = cpu_to_le32(lower_32_bits(maddr));	\
458 		(bd)->nbytes = cpu_to_le16(len);			\
459 	} while (0)
460 #define BD_UNMAP_LEN(bd)		(le16_to_cpu((bd)->nbytes))
461 
462 struct qede_fastpath {
463 	struct qede_dev	*edev;
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 	u8			type;
469 	u8			id;
470 	u8			xdp_xmit;
471 	struct napi_struct	napi;
472 	struct qed_sb_info	*sb_info;
473 	struct qede_rx_queue	*rxq;
474 	struct qede_tx_queue	*txq;
475 	struct qede_tx_queue	*xdp_tx;
476 
477 #define VEC_NAME_SIZE  (sizeof_field(struct net_device, name) + 8)
478 	char	name[VEC_NAME_SIZE];
479 };
480 
481 /* Debug print definitions */
482 #define DP_NAME(edev) ((edev)->ndev->name)
483 
484 #define XMIT_PLAIN		0
485 #define XMIT_L4_CSUM		BIT(0)
486 #define XMIT_LSO		BIT(1)
487 #define XMIT_ENC		BIT(2)
488 #define XMIT_ENC_GSO_L4_CSUM	BIT(3)
489 
490 #define QEDE_CSUM_ERROR			BIT(0)
491 #define QEDE_CSUM_UNNECESSARY		BIT(1)
492 #define QEDE_TUNN_CSUM_UNNECESSARY	BIT(2)
493 
494 #define QEDE_SP_RECOVERY		0
495 #define QEDE_SP_RX_MODE			1
496 #define QEDE_SP_RSVD1                   2
497 #define QEDE_SP_RSVD2                   3
498 #define QEDE_SP_HW_ERR                  4
499 #define QEDE_SP_ARFS_CONFIG             5
500 #define QEDE_SP_AER			7
501 
502 #ifdef CONFIG_RFS_ACCEL
503 int qede_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
504 		       u16 rxq_index, u32 flow_id);
505 #define QEDE_SP_TASK_POLL_DELAY	(5 * HZ)
506 #endif
507 
508 void qede_process_arfs_filters(struct qede_dev *edev, bool free_fltr);
509 void qede_poll_for_freeing_arfs_filters(struct qede_dev *edev);
510 void qede_arfs_filter_op(void *dev, void *filter, u8 fw_rc);
511 void qede_free_arfs(struct qede_dev *edev);
512 int qede_alloc_arfs(struct qede_dev *edev);
513 int qede_add_cls_rule(struct qede_dev *edev, struct ethtool_rxnfc *info);
514 int qede_delete_flow_filter(struct qede_dev *edev, u64 cookie);
515 int qede_get_cls_rule_entry(struct qede_dev *edev, struct ethtool_rxnfc *cmd);
516 int qede_get_cls_rule_all(struct qede_dev *edev, struct ethtool_rxnfc *info,
517 			  u32 *rule_locs);
518 int qede_get_arfs_filter_count(struct qede_dev *edev);
519 
520 struct qede_reload_args {
521 	void (*func)(struct qede_dev *edev, struct qede_reload_args *args);
522 	union {
523 		netdev_features_t features;
524 		struct bpf_prog *new_prog;
525 		u16 mtu;
526 	} u;
527 };
528 
529 /* Datapath functions definition */
530 netdev_tx_t qede_start_xmit(struct sk_buff *skb, struct net_device *ndev);
531 u16 qede_select_queue(struct net_device *dev, struct sk_buff *skb,
532 		      struct net_device *sb_dev);
533 netdev_features_t qede_features_check(struct sk_buff *skb,
534 				      struct net_device *dev,
535 				      netdev_features_t features);
536 int qede_alloc_rx_buffer(struct qede_rx_queue *rxq, bool allow_lazy);
537 int qede_free_tx_pkt(struct qede_dev *edev,
538 		     struct qede_tx_queue *txq, int *len);
539 int qede_poll(struct napi_struct *napi, int budget);
540 irqreturn_t qede_msix_fp_int(int irq, void *fp_cookie);
541 
542 /* Filtering function definitions */
543 void qede_force_mac(void *dev, u8 *mac, bool forced);
544 void qede_udp_ports_update(void *dev, u16 vxlan_port, u16 geneve_port);
545 int qede_set_mac_addr(struct net_device *ndev, void *p);
546 
547 int qede_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid);
548 int qede_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid);
549 void qede_vlan_mark_nonconfigured(struct qede_dev *edev);
550 int qede_configure_vlan_filters(struct qede_dev *edev);
551 
552 netdev_features_t qede_fix_features(struct net_device *dev,
553 				    netdev_features_t features);
554 int qede_set_features(struct net_device *dev, netdev_features_t features);
555 void qede_set_rx_mode(struct net_device *ndev);
556 void qede_config_rx_mode(struct net_device *ndev);
557 void qede_fill_rss_params(struct qede_dev *edev,
558 			  struct qed_update_vport_rss_params *rss, u8 *update);
559 
560 void qede_udp_tunnel_add(struct net_device *dev, struct udp_tunnel_info *ti);
561 void qede_udp_tunnel_del(struct net_device *dev, struct udp_tunnel_info *ti);
562 
563 int qede_xdp(struct net_device *dev, struct netdev_bpf *xdp);
564 
565 #ifdef CONFIG_DCB
566 void qede_set_dcbnl_ops(struct net_device *ndev);
567 #endif
568 
569 void qede_config_debug(uint debug, u32 *p_dp_module, u8 *p_dp_level);
570 void qede_set_ethtool_ops(struct net_device *netdev);
571 void qede_reload(struct qede_dev *edev,
572 		 struct qede_reload_args *args, bool is_locked);
573 int qede_change_mtu(struct net_device *dev, int new_mtu);
574 void qede_fill_by_demand_stats(struct qede_dev *edev);
575 void __qede_lock(struct qede_dev *edev);
576 void __qede_unlock(struct qede_dev *edev);
577 bool qede_has_rx_work(struct qede_rx_queue *rxq);
578 int qede_txq_has_work(struct qede_tx_queue *txq);
579 void qede_recycle_rx_bd_ring(struct qede_rx_queue *rxq, u8 count);
580 void qede_update_rx_prod(struct qede_dev *edev, struct qede_rx_queue *rxq);
581 int qede_add_tc_flower_fltr(struct qede_dev *edev, __be16 proto,
582 			    struct flow_cls_offload *f);
583 
584 #define RX_RING_SIZE_POW	13
585 #define RX_RING_SIZE		((u16)BIT(RX_RING_SIZE_POW))
586 #define NUM_RX_BDS_MAX		(RX_RING_SIZE - 1)
587 #define NUM_RX_BDS_MIN		128
588 #define NUM_RX_BDS_KDUMP_MIN	63
589 #define NUM_RX_BDS_DEF		((u16)BIT(10) - 1)
590 
591 #define TX_RING_SIZE_POW	13
592 #define TX_RING_SIZE		((u16)BIT(TX_RING_SIZE_POW))
593 #define NUM_TX_BDS_MAX		(TX_RING_SIZE - 1)
594 #define NUM_TX_BDS_MIN		128
595 #define NUM_TX_BDS_KDUMP_MIN	63
596 #define NUM_TX_BDS_DEF		NUM_TX_BDS_MAX
597 
598 #define QEDE_MIN_PKT_LEN		64
599 #define QEDE_RX_HDR_SIZE		256
600 #define QEDE_MAX_JUMBO_PACKET_SIZE	9600
601 #define	for_each_queue(i) for (i = 0; i < edev->num_queues; i++)
602 #define for_each_cos_in_txq(edev, var) \
603 	for ((var) = 0; (var) < (edev)->dev_info.num_tc; (var)++)
604 
605 #endif /* _QEDE_H_ */
606