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76ad4f0e S |
1 | /* |
2 | * Copyright (c) 2016 Hisilicon Limited. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | */ | |
9 | ||
10 | #ifndef __HNS3_ENET_H | |
11 | #define __HNS3_ENET_H | |
12 | ||
13 | #include "hnae3.h" | |
14 | ||
15 | extern const char hns3_driver_version[]; | |
16 | ||
17 | enum hns3_nic_state { | |
18 | HNS3_NIC_STATE_TESTING, | |
19 | HNS3_NIC_STATE_RESETTING, | |
20 | HNS3_NIC_STATE_REINITING, | |
21 | HNS3_NIC_STATE_DOWN, | |
22 | HNS3_NIC_STATE_DISABLED, | |
23 | HNS3_NIC_STATE_REMOVING, | |
24 | HNS3_NIC_STATE_SERVICE_INITED, | |
25 | HNS3_NIC_STATE_SERVICE_SCHED, | |
26 | HNS3_NIC_STATE2_RESET_REQUESTED, | |
27 | HNS3_NIC_STATE_MAX | |
28 | }; | |
29 | ||
30 | #define HNS3_RING_RX_RING_BASEADDR_L_REG 0x00000 | |
31 | #define HNS3_RING_RX_RING_BASEADDR_H_REG 0x00004 | |
32 | #define HNS3_RING_RX_RING_BD_NUM_REG 0x00008 | |
33 | #define HNS3_RING_RX_RING_BD_LEN_REG 0x0000C | |
34 | #define HNS3_RING_RX_RING_TAIL_REG 0x00018 | |
35 | #define HNS3_RING_RX_RING_HEAD_REG 0x0001C | |
36 | #define HNS3_RING_RX_RING_FBDNUM_REG 0x00020 | |
37 | #define HNS3_RING_RX_RING_PKTNUM_RECORD_REG 0x0002C | |
38 | ||
39 | #define HNS3_RING_TX_RING_BASEADDR_L_REG 0x00040 | |
40 | #define HNS3_RING_TX_RING_BASEADDR_H_REG 0x00044 | |
41 | #define HNS3_RING_TX_RING_BD_NUM_REG 0x00048 | |
42 | #define HNS3_RING_TX_RING_BD_LEN_REG 0x0004C | |
43 | #define HNS3_RING_TX_RING_TAIL_REG 0x00058 | |
44 | #define HNS3_RING_TX_RING_HEAD_REG 0x0005C | |
45 | #define HNS3_RING_TX_RING_FBDNUM_REG 0x00060 | |
46 | #define HNS3_RING_TX_RING_OFFSET_REG 0x00064 | |
47 | #define HNS3_RING_TX_RING_PKTNUM_RECORD_REG 0x0006C | |
48 | ||
49 | #define HNS3_RING_PREFETCH_EN_REG 0x0007C | |
50 | #define HNS3_RING_CFG_VF_NUM_REG 0x00080 | |
51 | #define HNS3_RING_ASID_REG 0x0008C | |
52 | #define HNS3_RING_RX_VM_REG 0x00090 | |
53 | #define HNS3_RING_T0_BE_RST 0x00094 | |
54 | #define HNS3_RING_COULD_BE_RST 0x00098 | |
55 | #define HNS3_RING_WRR_WEIGHT_REG 0x0009c | |
56 | ||
57 | #define HNS3_RING_INTMSK_RXWL_REG 0x000A0 | |
58 | #define HNS3_RING_INTSTS_RX_RING_REG 0x000A4 | |
59 | #define HNS3_RX_RING_INT_STS_REG 0x000A8 | |
60 | #define HNS3_RING_INTMSK_TXWL_REG 0x000AC | |
61 | #define HNS3_RING_INTSTS_TX_RING_REG 0x000B0 | |
62 | #define HNS3_TX_RING_INT_STS_REG 0x000B4 | |
63 | #define HNS3_RING_INTMSK_RX_OVERTIME_REG 0x000B8 | |
64 | #define HNS3_RING_INTSTS_RX_OVERTIME_REG 0x000BC | |
65 | #define HNS3_RING_INTMSK_TX_OVERTIME_REG 0x000C4 | |
66 | #define HNS3_RING_INTSTS_TX_OVERTIME_REG 0x000C8 | |
67 | ||
68 | #define HNS3_RING_MB_CTRL_REG 0x00100 | |
69 | #define HNS3_RING_MB_DATA_BASE_REG 0x00200 | |
70 | ||
71 | #define HNS3_TX_REG_OFFSET 0x40 | |
72 | ||
73 | #define HNS3_RX_HEAD_SIZE 256 | |
74 | ||
75 | #define HNS3_TX_TIMEOUT (5 * HZ) | |
76 | #define HNS3_RING_NAME_LEN 16 | |
77 | #define HNS3_BUFFER_SIZE_2048 2048 | |
78 | #define HNS3_RING_MAX_PENDING 32768 | |
5668abda L |
79 | #define HNS3_RING_MIN_PENDING 8 |
80 | #define HNS3_RING_BD_MULTIPLE 8 | |
a8e8b7ff | 81 | #define HNS3_MAX_MTU 9728 |
76ad4f0e S |
82 | |
83 | #define HNS3_BD_SIZE_512_TYPE 0 | |
84 | #define HNS3_BD_SIZE_1024_TYPE 1 | |
85 | #define HNS3_BD_SIZE_2048_TYPE 2 | |
86 | #define HNS3_BD_SIZE_4096_TYPE 3 | |
87 | ||
88 | #define HNS3_RX_FLAG_VLAN_PRESENT 0x1 | |
89 | #define HNS3_RX_FLAG_L3ID_IPV4 0x0 | |
90 | #define HNS3_RX_FLAG_L3ID_IPV6 0x1 | |
91 | #define HNS3_RX_FLAG_L4ID_UDP 0x0 | |
92 | #define HNS3_RX_FLAG_L4ID_TCP 0x1 | |
93 | ||
94 | #define HNS3_RXD_DMAC_S 0 | |
95 | #define HNS3_RXD_DMAC_M (0x3 << HNS3_RXD_DMAC_S) | |
96 | #define HNS3_RXD_VLAN_S 2 | |
97 | #define HNS3_RXD_VLAN_M (0x3 << HNS3_RXD_VLAN_S) | |
98 | #define HNS3_RXD_L3ID_S 4 | |
99 | #define HNS3_RXD_L3ID_M (0xf << HNS3_RXD_L3ID_S) | |
100 | #define HNS3_RXD_L4ID_S 8 | |
101 | #define HNS3_RXD_L4ID_M (0xf << HNS3_RXD_L4ID_S) | |
102 | #define HNS3_RXD_FRAG_B 12 | |
103 | #define HNS3_RXD_L2E_B 16 | |
104 | #define HNS3_RXD_L3E_B 17 | |
105 | #define HNS3_RXD_L4E_B 18 | |
106 | #define HNS3_RXD_TRUNCAT_B 19 | |
107 | #define HNS3_RXD_HOI_B 20 | |
108 | #define HNS3_RXD_DOI_B 21 | |
109 | #define HNS3_RXD_OL3E_B 22 | |
110 | #define HNS3_RXD_OL4E_B 23 | |
111 | ||
112 | #define HNS3_RXD_ODMAC_S 0 | |
113 | #define HNS3_RXD_ODMAC_M (0x3 << HNS3_RXD_ODMAC_S) | |
114 | #define HNS3_RXD_OVLAN_S 2 | |
115 | #define HNS3_RXD_OVLAN_M (0x3 << HNS3_RXD_OVLAN_S) | |
116 | #define HNS3_RXD_OL3ID_S 4 | |
117 | #define HNS3_RXD_OL3ID_M (0xf << HNS3_RXD_OL3ID_S) | |
118 | #define HNS3_RXD_OL4ID_S 8 | |
119 | #define HNS3_RXD_OL4ID_M (0xf << HNS3_RXD_OL4ID_S) | |
120 | #define HNS3_RXD_FBHI_S 12 | |
121 | #define HNS3_RXD_FBHI_M (0x3 << HNS3_RXD_FBHI_S) | |
122 | #define HNS3_RXD_FBLI_S 14 | |
123 | #define HNS3_RXD_FBLI_M (0x3 << HNS3_RXD_FBLI_S) | |
124 | ||
125 | #define HNS3_RXD_BDTYPE_S 0 | |
126 | #define HNS3_RXD_BDTYPE_M (0xf << HNS3_RXD_BDTYPE_S) | |
127 | #define HNS3_RXD_VLD_B 4 | |
128 | #define HNS3_RXD_UDP0_B 5 | |
129 | #define HNS3_RXD_EXTEND_B 7 | |
130 | #define HNS3_RXD_FE_B 8 | |
131 | #define HNS3_RXD_LUM_B 9 | |
132 | #define HNS3_RXD_CRCP_B 10 | |
133 | #define HNS3_RXD_L3L4P_B 11 | |
134 | #define HNS3_RXD_TSIND_S 12 | |
135 | #define HNS3_RXD_TSIND_M (0x7 << HNS3_RXD_TSIND_S) | |
136 | #define HNS3_RXD_LKBK_B 15 | |
137 | #define HNS3_RXD_HDL_S 16 | |
138 | #define HNS3_RXD_HDL_M (0x7ff << HNS3_RXD_HDL_S) | |
139 | #define HNS3_RXD_HSIND_B 31 | |
140 | ||
141 | #define HNS3_TXD_L3T_S 0 | |
142 | #define HNS3_TXD_L3T_M (0x3 << HNS3_TXD_L3T_S) | |
143 | #define HNS3_TXD_L4T_S 2 | |
144 | #define HNS3_TXD_L4T_M (0x3 << HNS3_TXD_L4T_S) | |
145 | #define HNS3_TXD_L3CS_B 4 | |
146 | #define HNS3_TXD_L4CS_B 5 | |
147 | #define HNS3_TXD_VLAN_B 6 | |
148 | #define HNS3_TXD_TSO_B 7 | |
149 | ||
150 | #define HNS3_TXD_L2LEN_S 8 | |
151 | #define HNS3_TXD_L2LEN_M (0xff << HNS3_TXD_L2LEN_S) | |
152 | #define HNS3_TXD_L3LEN_S 16 | |
153 | #define HNS3_TXD_L3LEN_M (0xff << HNS3_TXD_L3LEN_S) | |
154 | #define HNS3_TXD_L4LEN_S 24 | |
155 | #define HNS3_TXD_L4LEN_M (0xff << HNS3_TXD_L4LEN_S) | |
156 | ||
157 | #define HNS3_TXD_OL3T_S 0 | |
158 | #define HNS3_TXD_OL3T_M (0x3 << HNS3_TXD_OL3T_S) | |
159 | #define HNS3_TXD_OVLAN_B 2 | |
160 | #define HNS3_TXD_MACSEC_B 3 | |
161 | #define HNS3_TXD_TUNTYPE_S 4 | |
162 | #define HNS3_TXD_TUNTYPE_M (0xf << HNS3_TXD_TUNTYPE_S) | |
163 | ||
164 | #define HNS3_TXD_BDTYPE_S 0 | |
165 | #define HNS3_TXD_BDTYPE_M (0xf << HNS3_TXD_BDTYPE_S) | |
166 | #define HNS3_TXD_FE_B 4 | |
167 | #define HNS3_TXD_SC_S 5 | |
168 | #define HNS3_TXD_SC_M (0x3 << HNS3_TXD_SC_S) | |
169 | #define HNS3_TXD_EXTEND_B 7 | |
170 | #define HNS3_TXD_VLD_B 8 | |
171 | #define HNS3_TXD_RI_B 9 | |
172 | #define HNS3_TXD_RA_B 10 | |
173 | #define HNS3_TXD_TSYN_B 11 | |
174 | #define HNS3_TXD_DECTTL_S 12 | |
175 | #define HNS3_TXD_DECTTL_M (0xf << HNS3_TXD_DECTTL_S) | |
176 | ||
177 | #define HNS3_TXD_MSS_S 0 | |
178 | #define HNS3_TXD_MSS_M (0x3fff << HNS3_TXD_MSS_S) | |
179 | ||
180 | #define HNS3_VECTOR_TX_IRQ BIT_ULL(0) | |
181 | #define HNS3_VECTOR_RX_IRQ BIT_ULL(1) | |
182 | ||
183 | #define HNS3_VECTOR_NOT_INITED 0 | |
184 | #define HNS3_VECTOR_INITED 1 | |
185 | ||
186 | #define HNS3_MAX_BD_SIZE 65535 | |
187 | #define HNS3_MAX_BD_PER_FRAG 8 | |
188 | #define HNS3_MAX_BD_PER_PKT MAX_SKB_FRAGS | |
189 | ||
190 | #define HNS3_VECTOR_GL0_OFFSET 0x100 | |
191 | #define HNS3_VECTOR_GL1_OFFSET 0x200 | |
192 | #define HNS3_VECTOR_GL2_OFFSET 0x300 | |
193 | #define HNS3_VECTOR_RL_OFFSET 0x900 | |
194 | #define HNS3_VECTOR_RL_EN_B 6 | |
195 | ||
196 | enum hns3_pkt_l3t_type { | |
197 | HNS3_L3T_NONE, | |
198 | HNS3_L3T_IPV6, | |
199 | HNS3_L3T_IPV4, | |
200 | HNS3_L3T_RESERVED | |
201 | }; | |
202 | ||
203 | enum hns3_pkt_l4t_type { | |
204 | HNS3_L4T_UNKNOWN, | |
205 | HNS3_L4T_TCP, | |
206 | HNS3_L4T_UDP, | |
207 | HNS3_L4T_SCTP | |
208 | }; | |
209 | ||
210 | enum hns3_pkt_ol3t_type { | |
211 | HNS3_OL3T_NONE, | |
212 | HNS3_OL3T_IPV6, | |
213 | HNS3_OL3T_IPV4_NO_CSUM, | |
214 | HNS3_OL3T_IPV4_CSUM | |
215 | }; | |
216 | ||
217 | enum hns3_pkt_tun_type { | |
218 | HNS3_TUN_NONE, | |
219 | HNS3_TUN_MAC_IN_UDP, | |
220 | HNS3_TUN_NVGRE, | |
221 | HNS3_TUN_OTHER | |
222 | }; | |
223 | ||
224 | /* hardware spec ring buffer format */ | |
225 | struct __packed hns3_desc { | |
226 | __le64 addr; | |
227 | union { | |
228 | struct { | |
229 | __le16 vlan_tag; | |
230 | __le16 send_size; | |
231 | union { | |
232 | __le32 type_cs_vlan_tso_len; | |
233 | struct { | |
234 | __u8 type_cs_vlan_tso; | |
235 | __u8 l2_len; | |
236 | __u8 l3_len; | |
237 | __u8 l4_len; | |
238 | }; | |
239 | }; | |
240 | __le16 outer_vlan_tag; | |
241 | __le16 tv; | |
242 | ||
243 | union { | |
244 | __le32 ol_type_vlan_len_msec; | |
245 | struct { | |
246 | __u8 ol_type_vlan_msec; | |
247 | __u8 ol2_len; | |
248 | __u8 ol3_len; | |
249 | __u8 ol4_len; | |
250 | }; | |
251 | }; | |
252 | ||
253 | __le32 paylen; | |
254 | __le16 bdtp_fe_sc_vld_ra_ri; | |
255 | __le16 mss; | |
256 | } tx; | |
257 | ||
258 | struct { | |
259 | __le32 l234_info; | |
260 | __le16 pkt_len; | |
261 | __le16 size; | |
262 | ||
263 | __le32 rss_hash; | |
264 | __le16 fd_id; | |
265 | __le16 vlan_tag; | |
266 | ||
267 | union { | |
268 | __le32 ol_info; | |
269 | struct { | |
270 | __le16 o_dm_vlan_id_fb; | |
271 | __le16 ot_vlan_tag; | |
272 | }; | |
273 | }; | |
274 | ||
275 | __le32 bd_base_info; | |
276 | } rx; | |
277 | }; | |
278 | }; | |
279 | ||
280 | struct hns3_desc_cb { | |
281 | dma_addr_t dma; /* dma address of this desc */ | |
282 | void *buf; /* cpu addr for a desc */ | |
283 | ||
284 | /* priv data for the desc, e.g. skb when use with ip stack*/ | |
285 | void *priv; | |
286 | u16 page_offset; | |
287 | u16 reuse_flag; | |
288 | ||
289 | u16 length; /* length of the buffer */ | |
290 | ||
291 | /* desc type, used by the ring user to mark the type of the priv data */ | |
292 | u16 type; | |
293 | }; | |
294 | ||
295 | enum hns3_pkt_l3type { | |
296 | HNS3_L3_TYPE_IPV4, | |
297 | HNS3_L3_TYPE_IPV6, | |
298 | HNS3_L3_TYPE_ARP, | |
299 | HNS3_L3_TYPE_RARP, | |
300 | HNS3_L3_TYPE_IPV4_OPT, | |
301 | HNS3_L3_TYPE_IPV6_EXT, | |
302 | HNS3_L3_TYPE_LLDP, | |
303 | HNS3_L3_TYPE_BPDU, | |
304 | HNS3_L3_TYPE_MAC_PAUSE, | |
305 | HNS3_L3_TYPE_PFC_PAUSE,/* 0x9*/ | |
306 | ||
307 | /* reserved for 0xA~0xB*/ | |
308 | ||
309 | HNS3_L3_TYPE_CNM = 0xc, | |
310 | ||
311 | /* reserved for 0xD~0xE*/ | |
312 | ||
313 | HNS3_L3_TYPE_PARSE_FAIL = 0xf /* must be last */ | |
314 | }; | |
315 | ||
316 | enum hns3_pkt_l4type { | |
317 | HNS3_L4_TYPE_UDP, | |
318 | HNS3_L4_TYPE_TCP, | |
319 | HNS3_L4_TYPE_GRE, | |
320 | HNS3_L4_TYPE_SCTP, | |
321 | HNS3_L4_TYPE_IGMP, | |
322 | HNS3_L4_TYPE_ICMP, | |
323 | ||
324 | /* reserved for 0x6~0xE */ | |
325 | ||
326 | HNS3_L4_TYPE_PARSE_FAIL = 0xf /* must be last */ | |
327 | }; | |
328 | ||
329 | enum hns3_pkt_ol3type { | |
330 | HNS3_OL3_TYPE_IPV4 = 0, | |
331 | HNS3_OL3_TYPE_IPV6, | |
332 | /* reserved for 0x2~0x3 */ | |
333 | HNS3_OL3_TYPE_IPV4_OPT = 4, | |
334 | HNS3_OL3_TYPE_IPV6_EXT, | |
335 | ||
336 | /* reserved for 0x6~0xE*/ | |
337 | ||
338 | HNS3_OL3_TYPE_PARSE_FAIL = 0xf /* must be last */ | |
339 | }; | |
340 | ||
341 | enum hns3_pkt_ol4type { | |
342 | HNS3_OL4_TYPE_NO_TUN, | |
343 | HNS3_OL4_TYPE_MAC_IN_UDP, | |
344 | HNS3_OL4_TYPE_NVGRE, | |
345 | HNS3_OL4_TYPE_UNKNOWN | |
346 | }; | |
347 | ||
348 | struct ring_stats { | |
349 | u64 io_err_cnt; | |
350 | u64 sw_err_cnt; | |
351 | u64 seg_pkt_cnt; | |
352 | union { | |
353 | struct { | |
354 | u64 tx_pkts; | |
355 | u64 tx_bytes; | |
356 | u64 tx_err_cnt; | |
357 | u64 restart_queue; | |
358 | u64 tx_busy; | |
359 | }; | |
360 | struct { | |
361 | u64 rx_pkts; | |
362 | u64 rx_bytes; | |
363 | u64 rx_err_cnt; | |
364 | u64 reuse_pg_cnt; | |
365 | u64 err_pkt_len; | |
366 | u64 non_vld_descs; | |
367 | u64 err_bd_num; | |
368 | u64 l2_err; | |
369 | u64 l3l4_csum_err; | |
370 | }; | |
371 | }; | |
372 | }; | |
373 | ||
374 | struct hns3_enet_ring { | |
375 | u8 __iomem *io_base; /* base io address for the ring */ | |
376 | struct hns3_desc *desc; /* dma map address space */ | |
377 | struct hns3_desc_cb *desc_cb; | |
378 | struct hns3_enet_ring *next; | |
379 | struct hns3_enet_tqp_vector *tqp_vector; | |
380 | struct hnae3_queue *tqp; | |
381 | char ring_name[HNS3_RING_NAME_LEN]; | |
382 | struct device *dev; /* will be used for DMA mapping of descriptors */ | |
383 | ||
384 | /* statistic */ | |
385 | struct ring_stats stats; | |
386 | struct u64_stats_sync syncp; | |
387 | ||
388 | dma_addr_t desc_dma_addr; | |
389 | u32 buf_size; /* size for hnae_desc->addr, preset by AE */ | |
390 | u16 desc_num; /* total number of desc */ | |
391 | u16 max_desc_num_per_pkt; | |
392 | u16 max_raw_data_sz_per_desc; | |
393 | u16 max_pkt_size; | |
394 | int next_to_use; /* idx of next spare desc */ | |
395 | ||
396 | /* idx of lastest sent desc, the ring is empty when equal to | |
397 | * next_to_use | |
398 | */ | |
399 | int next_to_clean; | |
400 | ||
401 | u32 flag; /* ring attribute */ | |
402 | int irq_init_flag; | |
403 | ||
404 | int numa_node; | |
405 | cpumask_t affinity_mask; | |
406 | }; | |
407 | ||
408 | struct hns_queue; | |
409 | ||
410 | struct hns3_nic_ring_data { | |
411 | struct hns3_enet_ring *ring; | |
412 | struct napi_struct napi; | |
413 | int queue_index; | |
414 | int (*poll_one)(struct hns3_nic_ring_data *, int, void *); | |
415 | void (*ex_process)(struct hns3_nic_ring_data *, struct sk_buff *); | |
416 | void (*fini_process)(struct hns3_nic_ring_data *); | |
417 | }; | |
418 | ||
419 | struct hns3_nic_ops { | |
420 | int (*fill_desc)(struct hns3_enet_ring *ring, void *priv, | |
421 | int size, dma_addr_t dma, int frag_end, | |
422 | enum hns_desc_type type); | |
423 | int (*maybe_stop_tx)(struct sk_buff **out_skb, | |
424 | int *bnum, struct hns3_enet_ring *ring); | |
425 | void (*get_rxd_bnum)(u32 bnum_flag, int *out_bnum); | |
426 | }; | |
427 | ||
428 | enum hns3_flow_level_range { | |
429 | HNS3_FLOW_LOW = 0, | |
430 | HNS3_FLOW_MID = 1, | |
431 | HNS3_FLOW_HIGH = 2, | |
432 | HNS3_FLOW_ULTRA = 3, | |
433 | }; | |
434 | ||
435 | enum hns3_link_mode_bits { | |
436 | HNS3_LM_FIBRE_BIT = BIT(0), | |
437 | HNS3_LM_AUTONEG_BIT = BIT(1), | |
438 | HNS3_LM_TP_BIT = BIT(2), | |
439 | HNS3_LM_PAUSE_BIT = BIT(3), | |
440 | HNS3_LM_BACKPLANE_BIT = BIT(4), | |
441 | HNS3_LM_10BASET_HALF_BIT = BIT(5), | |
442 | HNS3_LM_10BASET_FULL_BIT = BIT(6), | |
443 | HNS3_LM_100BASET_HALF_BIT = BIT(7), | |
444 | HNS3_LM_100BASET_FULL_BIT = BIT(8), | |
445 | HNS3_LM_1000BASET_FULL_BIT = BIT(9), | |
446 | HNS3_LM_10000BASEKR_FULL_BIT = BIT(10), | |
447 | HNS3_LM_25000BASEKR_FULL_BIT = BIT(11), | |
448 | HNS3_LM_40000BASELR4_FULL_BIT = BIT(12), | |
449 | HNS3_LM_50000BASEKR2_FULL_BIT = BIT(13), | |
450 | HNS3_LM_100000BASEKR4_FULL_BIT = BIT(14), | |
451 | HNS3_LM_COUNT = 15 | |
452 | }; | |
453 | ||
434776a5 | 454 | #define HNS3_INT_GL_MAX 0x1FE0 |
76ad4f0e S |
455 | #define HNS3_INT_GL_50K 0x000A |
456 | #define HNS3_INT_GL_20K 0x0019 | |
457 | #define HNS3_INT_GL_18K 0x001B | |
458 | #define HNS3_INT_GL_8K 0x003E | |
459 | ||
434776a5 FL |
460 | #define HNS3_INT_RL_MAX 0x00EC |
461 | #define HNS3_INT_RL_ENABLE_MASK 0x40 | |
462 | ||
76ad4f0e S |
463 | struct hns3_enet_ring_group { |
464 | /* array of pointers to rings */ | |
465 | struct hns3_enet_ring *ring; | |
466 | u64 total_bytes; /* total bytes processed this group */ | |
467 | u64 total_packets; /* total packets processed this group */ | |
468 | u16 count; | |
469 | enum hns3_flow_level_range flow_level; | |
470 | u16 int_gl; | |
7e96adc4 | 471 | u8 gl_adapt_enable; |
76ad4f0e S |
472 | }; |
473 | ||
474 | struct hns3_enet_tqp_vector { | |
475 | struct hnae3_handle *handle; | |
476 | u8 __iomem *mask_addr; | |
477 | int vector_irq; | |
478 | int irq_init_flag; | |
479 | ||
480 | u16 idx; /* index in the TQP vector array per handle. */ | |
481 | ||
482 | struct napi_struct napi; | |
483 | ||
484 | struct hns3_enet_ring_group rx_group; | |
485 | struct hns3_enet_ring_group tx_group; | |
486 | ||
487 | u16 num_tqps; /* total number of tqps in TQP vector */ | |
488 | ||
489 | cpumask_t affinity_mask; | |
490 | char name[HNAE3_INT_NAME_LEN]; | |
491 | ||
492 | /* when 0 should adjust interrupt coalesce parameter */ | |
493 | u8 int_adapt_down; | |
494 | } ____cacheline_internodealigned_in_smp; | |
495 | ||
496 | enum hns3_udp_tnl_type { | |
497 | HNS3_UDP_TNL_VXLAN, | |
498 | HNS3_UDP_TNL_GENEVE, | |
499 | HNS3_UDP_TNL_MAX, | |
500 | }; | |
501 | ||
502 | struct hns3_udp_tunnel { | |
503 | u16 dst_port; | |
504 | int used; | |
505 | }; | |
506 | ||
507 | struct hns3_nic_priv { | |
508 | struct hnae3_handle *ae_handle; | |
509 | u32 enet_ver; | |
510 | u32 port_id; | |
511 | struct net_device *netdev; | |
512 | struct device *dev; | |
513 | struct hns3_nic_ops ops; | |
514 | ||
515 | /** | |
516 | * the cb for nic to manage the ring buffer, the first half of the | |
517 | * array is for tx_ring and vice versa for the second half | |
518 | */ | |
519 | struct hns3_nic_ring_data *ring_data; | |
520 | struct hns3_enet_tqp_vector *tqp_vector; | |
521 | u16 vector_num; | |
522 | ||
523 | /* The most recently read link state */ | |
524 | int link; | |
525 | u64 tx_timeout_count; | |
f8fa222c L |
526 | enum hnae3_reset_type reset_level; |
527 | unsigned long last_reset_time; | |
76ad4f0e S |
528 | |
529 | unsigned long state; | |
530 | ||
531 | struct timer_list service_timer; | |
532 | ||
533 | struct work_struct service_task; | |
534 | ||
535 | struct notifier_block notifier_block; | |
536 | /* Vxlan/Geneve information */ | |
537 | struct hns3_udp_tunnel udp_tnl[HNS3_UDP_TNL_MAX]; | |
538 | }; | |
539 | ||
540 | union l3_hdr_info { | |
541 | struct iphdr *v4; | |
542 | struct ipv6hdr *v6; | |
543 | unsigned char *hdr; | |
544 | }; | |
545 | ||
546 | union l4_hdr_info { | |
547 | struct tcphdr *tcp; | |
548 | struct udphdr *udp; | |
549 | unsigned char *hdr; | |
550 | }; | |
551 | ||
552 | /* the distance between [begin, end) in a ring buffer | |
553 | * note: there is a unuse slot between the begin and the end | |
554 | */ | |
555 | static inline int ring_dist(struct hns3_enet_ring *ring, int begin, int end) | |
556 | { | |
557 | return (end - begin + ring->desc_num) % ring->desc_num; | |
558 | } | |
559 | ||
560 | static inline int ring_space(struct hns3_enet_ring *ring) | |
561 | { | |
562 | return ring->desc_num - | |
563 | ring_dist(ring, ring->next_to_clean, ring->next_to_use) - 1; | |
564 | } | |
565 | ||
566 | static inline int is_ring_empty(struct hns3_enet_ring *ring) | |
567 | { | |
568 | return ring->next_to_use == ring->next_to_clean; | |
569 | } | |
570 | ||
571 | static inline void hns3_write_reg(void __iomem *base, u32 reg, u32 value) | |
572 | { | |
573 | u8 __iomem *reg_addr = READ_ONCE(base); | |
574 | ||
575 | writel(value, reg_addr + reg); | |
576 | } | |
577 | ||
578 | #define hns3_write_dev(a, reg, value) \ | |
579 | hns3_write_reg((a)->io_base, (reg), (value)) | |
580 | ||
581 | #define hnae_queue_xmit(tqp, buf_num) writel_relaxed(buf_num, \ | |
582 | (tqp)->io_base + HNS3_RING_TX_RING_TAIL_REG) | |
583 | ||
584 | #define ring_to_dev(ring) (&(ring)->tqp->handle->pdev->dev) | |
585 | ||
586 | #define ring_to_dma_dir(ring) (HNAE3_IS_TX_RING(ring) ? \ | |
587 | DMA_TO_DEVICE : DMA_FROM_DEVICE) | |
588 | ||
589 | #define tx_ring_data(priv, idx) ((priv)->ring_data[idx]) | |
590 | ||
591 | #define hnae_buf_size(_ring) ((_ring)->buf_size) | |
592 | #define hnae_page_order(_ring) (get_order(hnae_buf_size(_ring))) | |
593 | #define hnae_page_size(_ring) (PAGE_SIZE << hnae_page_order(_ring)) | |
594 | ||
595 | /* iterator for handling rings in ring group */ | |
596 | #define hns3_for_each_ring(pos, head) \ | |
597 | for (pos = (head).ring; pos; pos = pos->next) | |
598 | ||
9780cb97 YL |
599 | #define hns3_get_handle(ndev) \ |
600 | (((struct hns3_nic_priv *)netdev_priv(ndev))->ae_handle) | |
601 | ||
434776a5 FL |
602 | #define hns3_gl_usec_to_reg(int_gl) (int_gl >> 1) |
603 | #define hns3_gl_round_down(int_gl) round_down(int_gl, 2) | |
604 | ||
605 | #define hns3_rl_usec_to_reg(int_rl) (int_rl >> 2) | |
606 | #define hns3_rl_round_down(int_rl) round_down(int_rl, 4) | |
607 | ||
76ad4f0e | 608 | void hns3_ethtool_set_ops(struct net_device *netdev); |
09f2af64 PL |
609 | int hns3_set_channels(struct net_device *netdev, |
610 | struct ethtool_channels *ch); | |
76ad4f0e | 611 | |
24e750c4 | 612 | bool hns3_clean_tx_ring(struct hns3_enet_ring *ring, int budget); |
5668abda L |
613 | int hns3_init_all_ring(struct hns3_nic_priv *priv); |
614 | int hns3_uninit_all_ring(struct hns3_nic_priv *priv); | |
d43e5aca YL |
615 | netdev_tx_t hns3_nic_net_xmit(struct sk_buff *skb, struct net_device *netdev); |
616 | int hns3_clean_rx_ring( | |
617 | struct hns3_enet_ring *ring, int budget, | |
618 | void (*rx_fn)(struct hns3_enet_ring *, struct sk_buff *)); | |
986743db | 619 | |
434776a5 FL |
620 | void hns3_set_vector_coalesce_rx_gl(struct hns3_enet_tqp_vector *tqp_vector, |
621 | u32 gl_value); | |
622 | void hns3_set_vector_coalesce_tx_gl(struct hns3_enet_tqp_vector *tqp_vector, | |
623 | u32 gl_value); | |
624 | void hns3_set_vector_coalesce_rl(struct hns3_enet_tqp_vector *tqp_vector, | |
625 | u32 rl_value); | |
626 | ||
986743db YL |
627 | #ifdef CONFIG_HNS3_DCB |
628 | void hns3_dcbnl_setup(struct hnae3_handle *handle); | |
629 | #else | |
630 | static inline void hns3_dcbnl_setup(struct hnae3_handle *handle) {} | |
631 | #endif | |
632 | ||
76ad4f0e | 633 | #endif |