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1 /* SPDX-License-Identifier: GPL-2.0+ */
2 // Copyright (c) 2016-2017 Hisilicon Limited.
3 
4 #ifndef __HNS3_ENET_H
5 #define __HNS3_ENET_H
6 
7 #include <linux/if_vlan.h>
8 
9 #include "hnae3.h"
10 
11 enum hns3_nic_state {
12 	HNS3_NIC_STATE_TESTING,
13 	HNS3_NIC_STATE_RESETTING,
14 	HNS3_NIC_STATE_INITED,
15 	HNS3_NIC_STATE_DOWN,
16 	HNS3_NIC_STATE_DISABLED,
17 	HNS3_NIC_STATE_REMOVING,
18 	HNS3_NIC_STATE_SERVICE_INITED,
19 	HNS3_NIC_STATE_SERVICE_SCHED,
20 	HNS3_NIC_STATE2_RESET_REQUESTED,
21 	HNS3_NIC_STATE_MAX
22 };
23 
24 #define HNS3_RING_RX_RING_BASEADDR_L_REG	0x00000
25 #define HNS3_RING_RX_RING_BASEADDR_H_REG	0x00004
26 #define HNS3_RING_RX_RING_BD_NUM_REG		0x00008
27 #define HNS3_RING_RX_RING_BD_LEN_REG		0x0000C
28 #define HNS3_RING_RX_RING_TAIL_REG		0x00018
29 #define HNS3_RING_RX_RING_HEAD_REG		0x0001C
30 #define HNS3_RING_RX_RING_FBDNUM_REG		0x00020
31 #define HNS3_RING_RX_RING_PKTNUM_RECORD_REG	0x0002C
32 
33 #define HNS3_RING_TX_RING_BASEADDR_L_REG	0x00040
34 #define HNS3_RING_TX_RING_BASEADDR_H_REG	0x00044
35 #define HNS3_RING_TX_RING_BD_NUM_REG		0x00048
36 #define HNS3_RING_TX_RING_TC_REG		0x00050
37 #define HNS3_RING_TX_RING_TAIL_REG		0x00058
38 #define HNS3_RING_TX_RING_HEAD_REG		0x0005C
39 #define HNS3_RING_TX_RING_FBDNUM_REG		0x00060
40 #define HNS3_RING_TX_RING_OFFSET_REG		0x00064
41 #define HNS3_RING_TX_RING_EBDNUM_REG		0x00068
42 #define HNS3_RING_TX_RING_PKTNUM_RECORD_REG	0x0006C
43 #define HNS3_RING_TX_RING_EBD_OFFSET_REG	0x00070
44 #define HNS3_RING_TX_RING_BD_ERR_REG		0x00074
45 #define HNS3_RING_EN_REG			0x00090
46 #define HNS3_RING_RX_EN_REG			0x00098
47 #define HNS3_RING_TX_EN_REG			0x000D4
48 
49 #define HNS3_RX_HEAD_SIZE			256
50 
51 #define HNS3_TX_TIMEOUT (5 * HZ)
52 #define HNS3_RING_NAME_LEN			16
53 #define HNS3_BUFFER_SIZE_2048			2048
54 #define HNS3_RING_MAX_PENDING			32760
55 #define HNS3_RING_MIN_PENDING			72
56 #define HNS3_RING_BD_MULTIPLE			8
57 /* max frame size of mac */
58 #define HNS3_MAC_MAX_FRAME			9728
59 #define HNS3_MAX_MTU \
60 	(HNS3_MAC_MAX_FRAME - (ETH_HLEN + ETH_FCS_LEN + 2 * VLAN_HLEN))
61 
62 #define HNS3_BD_SIZE_512_TYPE			0
63 #define HNS3_BD_SIZE_1024_TYPE			1
64 #define HNS3_BD_SIZE_2048_TYPE			2
65 #define HNS3_BD_SIZE_4096_TYPE			3
66 
67 #define HNS3_RX_FLAG_VLAN_PRESENT		0x1
68 #define HNS3_RX_FLAG_L3ID_IPV4			0x0
69 #define HNS3_RX_FLAG_L3ID_IPV6			0x1
70 #define HNS3_RX_FLAG_L4ID_UDP			0x0
71 #define HNS3_RX_FLAG_L4ID_TCP			0x1
72 
73 #define HNS3_RXD_DMAC_S				0
74 #define HNS3_RXD_DMAC_M				(0x3 << HNS3_RXD_DMAC_S)
75 #define HNS3_RXD_VLAN_S				2
76 #define HNS3_RXD_VLAN_M				(0x3 << HNS3_RXD_VLAN_S)
77 #define HNS3_RXD_L3ID_S				4
78 #define HNS3_RXD_L3ID_M				(0xf << HNS3_RXD_L3ID_S)
79 #define HNS3_RXD_L4ID_S				8
80 #define HNS3_RXD_L4ID_M				(0xf << HNS3_RXD_L4ID_S)
81 #define HNS3_RXD_FRAG_B				12
82 #define HNS3_RXD_STRP_TAGP_S			13
83 #define HNS3_RXD_STRP_TAGP_M			(0x3 << HNS3_RXD_STRP_TAGP_S)
84 
85 #define HNS3_RXD_L2E_B				16
86 #define HNS3_RXD_L3E_B				17
87 #define HNS3_RXD_L4E_B				18
88 #define HNS3_RXD_TRUNCAT_B			19
89 #define HNS3_RXD_HOI_B				20
90 #define HNS3_RXD_DOI_B				21
91 #define HNS3_RXD_OL3E_B				22
92 #define HNS3_RXD_OL4E_B				23
93 #define HNS3_RXD_GRO_COUNT_S			24
94 #define HNS3_RXD_GRO_COUNT_M			(0x3f << HNS3_RXD_GRO_COUNT_S)
95 #define HNS3_RXD_GRO_FIXID_B			30
96 #define HNS3_RXD_GRO_ECN_B			31
97 
98 #define HNS3_RXD_ODMAC_S			0
99 #define HNS3_RXD_ODMAC_M			(0x3 << HNS3_RXD_ODMAC_S)
100 #define HNS3_RXD_OVLAN_S			2
101 #define HNS3_RXD_OVLAN_M			(0x3 << HNS3_RXD_OVLAN_S)
102 #define HNS3_RXD_OL3ID_S			4
103 #define HNS3_RXD_OL3ID_M			(0xf << HNS3_RXD_OL3ID_S)
104 #define HNS3_RXD_OL4ID_S			8
105 #define HNS3_RXD_OL4ID_M			(0xf << HNS3_RXD_OL4ID_S)
106 #define HNS3_RXD_FBHI_S				12
107 #define HNS3_RXD_FBHI_M				(0x3 << HNS3_RXD_FBHI_S)
108 #define HNS3_RXD_FBLI_S				14
109 #define HNS3_RXD_FBLI_M				(0x3 << HNS3_RXD_FBLI_S)
110 
111 #define HNS3_RXD_BDTYPE_S			0
112 #define HNS3_RXD_BDTYPE_M			(0xf << HNS3_RXD_BDTYPE_S)
113 #define HNS3_RXD_VLD_B				4
114 #define HNS3_RXD_UDP0_B				5
115 #define HNS3_RXD_EXTEND_B			7
116 #define HNS3_RXD_FE_B				8
117 #define HNS3_RXD_LUM_B				9
118 #define HNS3_RXD_CRCP_B				10
119 #define HNS3_RXD_L3L4P_B			11
120 #define HNS3_RXD_TSIND_S			12
121 #define HNS3_RXD_TSIND_M			(0x7 << HNS3_RXD_TSIND_S)
122 #define HNS3_RXD_LKBK_B				15
123 #define HNS3_RXD_GRO_SIZE_S			16
124 #define HNS3_RXD_GRO_SIZE_M			(0x3fff << HNS3_RXD_GRO_SIZE_S)
125 
126 #define HNS3_TXD_L3T_S				0
127 #define HNS3_TXD_L3T_M				(0x3 << HNS3_TXD_L3T_S)
128 #define HNS3_TXD_L4T_S				2
129 #define HNS3_TXD_L4T_M				(0x3 << HNS3_TXD_L4T_S)
130 #define HNS3_TXD_L3CS_B				4
131 #define HNS3_TXD_L4CS_B				5
132 #define HNS3_TXD_VLAN_B				6
133 #define HNS3_TXD_TSO_B				7
134 
135 #define HNS3_TXD_L2LEN_S			8
136 #define HNS3_TXD_L2LEN_M			(0xff << HNS3_TXD_L2LEN_S)
137 #define HNS3_TXD_L3LEN_S			16
138 #define HNS3_TXD_L3LEN_M			(0xff << HNS3_TXD_L3LEN_S)
139 #define HNS3_TXD_L4LEN_S			24
140 #define HNS3_TXD_L4LEN_M			(0xff << HNS3_TXD_L4LEN_S)
141 
142 #define HNS3_TXD_OL3T_S				0
143 #define HNS3_TXD_OL3T_M				(0x3 << HNS3_TXD_OL3T_S)
144 #define HNS3_TXD_OVLAN_B			2
145 #define HNS3_TXD_MACSEC_B			3
146 #define HNS3_TXD_TUNTYPE_S			4
147 #define HNS3_TXD_TUNTYPE_M			(0xf << HNS3_TXD_TUNTYPE_S)
148 
149 #define HNS3_TXD_BDTYPE_S			0
150 #define HNS3_TXD_BDTYPE_M			(0xf << HNS3_TXD_BDTYPE_S)
151 #define HNS3_TXD_FE_B				4
152 #define HNS3_TXD_SC_S				5
153 #define HNS3_TXD_SC_M				(0x3 << HNS3_TXD_SC_S)
154 #define HNS3_TXD_EXTEND_B			7
155 #define HNS3_TXD_VLD_B				8
156 #define HNS3_TXD_RI_B				9
157 #define HNS3_TXD_RA_B				10
158 #define HNS3_TXD_TSYN_B				11
159 #define HNS3_TXD_DECTTL_S			12
160 #define HNS3_TXD_DECTTL_M			(0xf << HNS3_TXD_DECTTL_S)
161 
162 #define HNS3_TXD_MSS_S				0
163 #define HNS3_TXD_MSS_M				(0x3fff << HNS3_TXD_MSS_S)
164 
165 #define HNS3_VECTOR_TX_IRQ			BIT_ULL(0)
166 #define HNS3_VECTOR_RX_IRQ			BIT_ULL(1)
167 
168 #define HNS3_VECTOR_NOT_INITED			0
169 #define HNS3_VECTOR_INITED			1
170 
171 #define HNS3_MAX_BD_SIZE			65535
172 #define HNS3_MAX_TSO_BD_NUM			63U
173 #define HNS3_MAX_TSO_SIZE			1048576U
174 #define HNS3_MAX_NON_TSO_SIZE			9728U
175 
176 
177 #define HNS3_VECTOR_GL0_OFFSET			0x100
178 #define HNS3_VECTOR_GL1_OFFSET			0x200
179 #define HNS3_VECTOR_GL2_OFFSET			0x300
180 #define HNS3_VECTOR_RL_OFFSET			0x900
181 #define HNS3_VECTOR_RL_EN_B			6
182 
183 #define HNS3_RING_EN_B				0
184 
185 enum hns3_pkt_l2t_type {
186 	HNS3_L2_TYPE_UNICAST,
187 	HNS3_L2_TYPE_MULTICAST,
188 	HNS3_L2_TYPE_BROADCAST,
189 	HNS3_L2_TYPE_INVALID,
190 };
191 
192 enum hns3_pkt_l3t_type {
193 	HNS3_L3T_NONE,
194 	HNS3_L3T_IPV6,
195 	HNS3_L3T_IPV4,
196 	HNS3_L3T_RESERVED
197 };
198 
199 enum hns3_pkt_l4t_type {
200 	HNS3_L4T_UNKNOWN,
201 	HNS3_L4T_TCP,
202 	HNS3_L4T_UDP,
203 	HNS3_L4T_SCTP
204 };
205 
206 enum hns3_pkt_ol3t_type {
207 	HNS3_OL3T_NONE,
208 	HNS3_OL3T_IPV6,
209 	HNS3_OL3T_IPV4_NO_CSUM,
210 	HNS3_OL3T_IPV4_CSUM
211 };
212 
213 enum hns3_pkt_tun_type {
214 	HNS3_TUN_NONE,
215 	HNS3_TUN_MAC_IN_UDP,
216 	HNS3_TUN_NVGRE,
217 	HNS3_TUN_OTHER
218 };
219 
220 /* hardware spec ring buffer format */
221 struct __packed hns3_desc {
222 	__le64 addr;
223 	union {
224 		struct {
225 			__le16 vlan_tag;
226 			__le16 send_size;
227 			union {
228 				__le32 type_cs_vlan_tso_len;
229 				struct {
230 					__u8 type_cs_vlan_tso;
231 					__u8 l2_len;
232 					__u8 l3_len;
233 					__u8 l4_len;
234 				};
235 			};
236 			__le16 outer_vlan_tag;
237 			__le16 tv;
238 
239 		union {
240 			__le32 ol_type_vlan_len_msec;
241 			struct {
242 				__u8 ol_type_vlan_msec;
243 				__u8 ol2_len;
244 				__u8 ol3_len;
245 				__u8 ol4_len;
246 			};
247 		};
248 
249 			__le32 paylen;
250 			__le16 bdtp_fe_sc_vld_ra_ri;
251 			__le16 mss;
252 		} tx;
253 
254 		struct {
255 			__le32 l234_info;
256 			__le16 pkt_len;
257 			__le16 size;
258 
259 			__le32 rss_hash;
260 			__le16 fd_id;
261 			__le16 vlan_tag;
262 
263 			union {
264 				__le32 ol_info;
265 				struct {
266 					__le16 o_dm_vlan_id_fb;
267 					__le16 ot_vlan_tag;
268 				};
269 			};
270 
271 			__le32 bd_base_info;
272 		} rx;
273 	};
274 };
275 
276 struct hns3_desc_cb {
277 	dma_addr_t dma; /* dma address of this desc */
278 	void *buf;      /* cpu addr for a desc */
279 
280 	/* priv data for the desc, e.g. skb when use with ip stack */
281 	void *priv;
282 	u32 page_offset;
283 	u32 length;     /* length of the buffer */
284 
285 	u16 reuse_flag;
286 	u16 refill;
287 
288 	/* desc type, used by the ring user to mark the type of the priv data */
289 	u16 type;
290 	u16 pagecnt_bias;
291 };
292 
293 enum hns3_pkt_l3type {
294 	HNS3_L3_TYPE_IPV4,
295 	HNS3_L3_TYPE_IPV6,
296 	HNS3_L3_TYPE_ARP,
297 	HNS3_L3_TYPE_RARP,
298 	HNS3_L3_TYPE_IPV4_OPT,
299 	HNS3_L3_TYPE_IPV6_EXT,
300 	HNS3_L3_TYPE_LLDP,
301 	HNS3_L3_TYPE_BPDU,
302 	HNS3_L3_TYPE_MAC_PAUSE,
303 	HNS3_L3_TYPE_PFC_PAUSE,/* 0x9*/
304 
305 	/* reserved for 0xA~0xB */
306 
307 	HNS3_L3_TYPE_CNM = 0xc,
308 
309 	/* reserved for 0xD~0xE */
310 
311 	HNS3_L3_TYPE_PARSE_FAIL	= 0xf /* must be last */
312 };
313 
314 enum hns3_pkt_l4type {
315 	HNS3_L4_TYPE_UDP,
316 	HNS3_L4_TYPE_TCP,
317 	HNS3_L4_TYPE_GRE,
318 	HNS3_L4_TYPE_SCTP,
319 	HNS3_L4_TYPE_IGMP,
320 	HNS3_L4_TYPE_ICMP,
321 
322 	/* reserved for 0x6~0xE */
323 
324 	HNS3_L4_TYPE_PARSE_FAIL	= 0xf /* must be last */
325 };
326 
327 enum hns3_pkt_ol3type {
328 	HNS3_OL3_TYPE_IPV4 = 0,
329 	HNS3_OL3_TYPE_IPV6,
330 	/* reserved for 0x2~0x3 */
331 	HNS3_OL3_TYPE_IPV4_OPT = 4,
332 	HNS3_OL3_TYPE_IPV6_EXT,
333 
334 	/* reserved for 0x6~0xE */
335 
336 	HNS3_OL3_TYPE_PARSE_FAIL = 0xf	/* must be last */
337 };
338 
339 enum hns3_pkt_ol4type {
340 	HNS3_OL4_TYPE_NO_TUN,
341 	HNS3_OL4_TYPE_MAC_IN_UDP,
342 	HNS3_OL4_TYPE_NVGRE,
343 	HNS3_OL4_TYPE_UNKNOWN
344 };
345 
346 struct ring_stats {
347 	u64 sw_err_cnt;
348 	u64 seg_pkt_cnt;
349 	union {
350 		struct {
351 			u64 tx_pkts;
352 			u64 tx_bytes;
353 			u64 tx_more;
354 			u64 restart_queue;
355 			u64 tx_busy;
356 			u64 tx_copy;
357 			u64 tx_vlan_err;
358 			u64 tx_l4_proto_err;
359 			u64 tx_l2l3l4_err;
360 			u64 tx_tso_err;
361 			u64 over_max_recursion;
362 			u64 hw_limitation;
363 		};
364 		struct {
365 			u64 rx_pkts;
366 			u64 rx_bytes;
367 			u64 rx_err_cnt;
368 			u64 reuse_pg_cnt;
369 			u64 err_pkt_len;
370 			u64 err_bd_num;
371 			u64 l2_err;
372 			u64 l3l4_csum_err;
373 			u64 rx_multicast;
374 			u64 non_reuse_pg;
375 		};
376 	};
377 };
378 
379 struct hns3_enet_ring {
380 	struct hns3_desc *desc; /* dma map address space */
381 	struct hns3_desc_cb *desc_cb;
382 	struct hns3_enet_ring *next;
383 	struct hns3_enet_tqp_vector *tqp_vector;
384 	struct hnae3_queue *tqp;
385 	int queue_index;
386 	struct device *dev; /* will be used for DMA mapping of descriptors */
387 
388 	/* statistic */
389 	struct ring_stats stats;
390 	struct u64_stats_sync syncp;
391 
392 	dma_addr_t desc_dma_addr;
393 	u32 buf_size;       /* size for hnae_desc->addr, preset by AE */
394 	u16 desc_num;       /* total number of desc */
395 	int next_to_use;    /* idx of next spare desc */
396 
397 	/* idx of lastest sent desc, the ring is empty when equal to
398 	 * next_to_use
399 	 */
400 	int next_to_clean;
401 	union {
402 		int last_to_use;	/* last idx used by xmit */
403 		u32 pull_len;		/* memcpy len for current rx packet */
404 	};
405 	u32 frag_num;
406 	void *va; /* first buffer address for current packet */
407 
408 	u32 flag;          /* ring attribute */
409 
410 	int pending_buf;
411 	struct sk_buff *skb;
412 	struct sk_buff *tail_skb;
413 } ____cacheline_internodealigned_in_smp;
414 
415 enum hns3_flow_level_range {
416 	HNS3_FLOW_LOW = 0,
417 	HNS3_FLOW_MID = 1,
418 	HNS3_FLOW_HIGH = 2,
419 	HNS3_FLOW_ULTRA = 3,
420 };
421 
422 #define HNS3_INT_GL_MAX			0x1FE0
423 #define HNS3_INT_GL_50K			0x0014
424 #define HNS3_INT_GL_20K			0x0032
425 #define HNS3_INT_GL_18K			0x0036
426 #define HNS3_INT_GL_8K			0x007C
427 
428 #define HNS3_INT_RL_MAX			0x00EC
429 #define HNS3_INT_RL_ENABLE_MASK		0x40
430 
431 struct hns3_enet_coalesce {
432 	u16 int_gl;
433 	u8 gl_adapt_enable;
434 	enum hns3_flow_level_range flow_level;
435 };
436 
437 struct hns3_enet_ring_group {
438 	/* array of pointers to rings */
439 	struct hns3_enet_ring *ring;
440 	u64 total_bytes;	/* total bytes processed this group */
441 	u64 total_packets;	/* total packets processed this group */
442 	u16 count;
443 	struct hns3_enet_coalesce coal;
444 };
445 
446 struct hns3_enet_tqp_vector {
447 	struct hnae3_handle *handle;
448 	u8 __iomem *mask_addr;
449 	int vector_irq;
450 	int irq_init_flag;
451 
452 	u16 idx;		/* index in the TQP vector array per handle. */
453 
454 	struct napi_struct napi;
455 
456 	struct hns3_enet_ring_group rx_group;
457 	struct hns3_enet_ring_group tx_group;
458 
459 	cpumask_t affinity_mask;
460 	u16 num_tqps;	/* total number of tqps in TQP vector */
461 	struct irq_affinity_notify affinity_notify;
462 
463 	char name[HNAE3_INT_NAME_LEN];
464 
465 	unsigned long last_jiffies;
466 } ____cacheline_internodealigned_in_smp;
467 
468 struct hns3_nic_priv {
469 	struct hnae3_handle *ae_handle;
470 	struct net_device *netdev;
471 	struct device *dev;
472 
473 	/**
474 	 * the cb for nic to manage the ring buffer, the first half of the
475 	 * array is for tx_ring and vice versa for the second half
476 	 */
477 	struct hns3_enet_ring *ring;
478 	struct hns3_enet_tqp_vector *tqp_vector;
479 	u16 vector_num;
480 	u8 max_non_tso_bd_num;
481 
482 	u64 tx_timeout_count;
483 
484 	unsigned long state;
485 
486 	struct hns3_enet_coalesce tx_coal;
487 	struct hns3_enet_coalesce rx_coal;
488 };
489 
490 union l3_hdr_info {
491 	struct iphdr *v4;
492 	struct ipv6hdr *v6;
493 	unsigned char *hdr;
494 };
495 
496 union l4_hdr_info {
497 	struct tcphdr *tcp;
498 	struct udphdr *udp;
499 	struct gre_base_hdr *gre;
500 	unsigned char *hdr;
501 };
502 
503 struct hns3_hw_error_info {
504 	enum hnae3_hw_error_type type;
505 	const char *msg;
506 };
507 
ring_space(struct hns3_enet_ring * ring)508 static inline int ring_space(struct hns3_enet_ring *ring)
509 {
510 	/* This smp_load_acquire() pairs with smp_store_release() in
511 	 * hns3_nic_reclaim_one_desc called by hns3_clean_tx_ring.
512 	 */
513 	int begin = smp_load_acquire(&ring->next_to_clean);
514 	int end = READ_ONCE(ring->next_to_use);
515 
516 	return ((end >= begin) ? (ring->desc_num - end + begin) :
517 			(begin - end)) - 1;
518 }
519 
hns3_read_reg(void __iomem * base,u32 reg)520 static inline u32 hns3_read_reg(void __iomem *base, u32 reg)
521 {
522 	return readl(base + reg);
523 }
524 
hns3_write_reg(void __iomem * base,u32 reg,u32 value)525 static inline void hns3_write_reg(void __iomem *base, u32 reg, u32 value)
526 {
527 	u8 __iomem *reg_addr = READ_ONCE(base);
528 
529 	writel(value, reg_addr + reg);
530 }
531 
532 #define hns3_read_dev(a, reg) \
533 	hns3_read_reg((a)->io_base, (reg))
534 
hns3_nic_resetting(struct net_device * netdev)535 static inline bool hns3_nic_resetting(struct net_device *netdev)
536 {
537 	struct hns3_nic_priv *priv = netdev_priv(netdev);
538 
539 	return test_bit(HNS3_NIC_STATE_RESETTING, &priv->state);
540 }
541 
542 #define hns3_write_dev(a, reg, value) \
543 	hns3_write_reg((a)->io_base, (reg), (value))
544 
545 #define ring_to_dev(ring) ((ring)->dev)
546 
547 #define ring_to_netdev(ring)	((ring)->tqp_vector->napi.dev)
548 
549 #define ring_to_dma_dir(ring) (HNAE3_IS_TX_RING(ring) ? \
550 	DMA_TO_DEVICE : DMA_FROM_DEVICE)
551 
552 #define hns3_buf_size(_ring) ((_ring)->buf_size)
553 
hns3_page_order(struct hns3_enet_ring * ring)554 static inline unsigned int hns3_page_order(struct hns3_enet_ring *ring)
555 {
556 #if (PAGE_SIZE < 8192)
557 	if (ring->buf_size > (PAGE_SIZE / 2))
558 		return 1;
559 #endif
560 	return 0;
561 }
562 
563 #define hns3_page_size(_ring) (PAGE_SIZE << hns3_page_order(_ring))
564 
565 /* iterator for handling rings in ring group */
566 #define hns3_for_each_ring(pos, head) \
567 	for (pos = (head).ring; pos; pos = pos->next)
568 
569 #define hns3_get_handle(ndev) \
570 	(((struct hns3_nic_priv *)netdev_priv(ndev))->ae_handle)
571 
572 #define hns3_gl_usec_to_reg(int_gl) (int_gl >> 1)
573 #define hns3_gl_round_down(int_gl) round_down(int_gl, 2)
574 
575 #define hns3_rl_usec_to_reg(int_rl) (int_rl >> 2)
576 #define hns3_rl_round_down(int_rl) round_down(int_rl, 4)
577 
578 void hns3_ethtool_set_ops(struct net_device *netdev);
579 int hns3_set_channels(struct net_device *netdev,
580 		      struct ethtool_channels *ch);
581 
582 void hns3_clean_tx_ring(struct hns3_enet_ring *ring, int budget);
583 int hns3_init_all_ring(struct hns3_nic_priv *priv);
584 int hns3_uninit_all_ring(struct hns3_nic_priv *priv);
585 int hns3_nic_reset_all_ring(struct hnae3_handle *h);
586 void hns3_fini_ring(struct hns3_enet_ring *ring);
587 netdev_tx_t hns3_nic_net_xmit(struct sk_buff *skb, struct net_device *netdev);
588 bool hns3_is_phys_func(struct pci_dev *pdev);
589 int hns3_clean_rx_ring(
590 		struct hns3_enet_ring *ring, int budget,
591 		void (*rx_fn)(struct hns3_enet_ring *, struct sk_buff *));
592 
593 void hns3_set_vector_coalesce_rx_gl(struct hns3_enet_tqp_vector *tqp_vector,
594 				    u32 gl_value);
595 void hns3_set_vector_coalesce_tx_gl(struct hns3_enet_tqp_vector *tqp_vector,
596 				    u32 gl_value);
597 void hns3_set_vector_coalesce_rl(struct hns3_enet_tqp_vector *tqp_vector,
598 				 u32 rl_value);
599 
600 void hns3_enable_vlan_filter(struct net_device *netdev, bool enable);
601 void hns3_request_update_promisc_mode(struct hnae3_handle *handle);
602 
603 #ifdef CONFIG_HNS3_DCB
604 void hns3_dcbnl_setup(struct hnae3_handle *handle);
605 #else
hns3_dcbnl_setup(struct hnae3_handle * handle)606 static inline void hns3_dcbnl_setup(struct hnae3_handle *handle) {}
607 #endif
608 
609 void hns3_dbg_init(struct hnae3_handle *handle);
610 void hns3_dbg_uninit(struct hnae3_handle *handle);
611 void hns3_dbg_register_debugfs(const char *debugfs_dir_name);
612 void hns3_dbg_unregister_debugfs(void);
613 void hns3_shinfo_pack(struct skb_shared_info *shinfo, __u32 *size);
614 #endif
615