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Commit | Line | Data |
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2ef17216 | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
d71d8381 | 2 | // Copyright (c) 2016-2017 Hisilicon Limited. |
76ad4f0e S |
3 | |
4 | #ifndef __HNS3_ENET_H | |
5 | #define __HNS3_ENET_H | |
6 | ||
681ec399 YL |
7 | #include <linux/if_vlan.h> |
8 | ||
76ad4f0e S |
9 | #include "hnae3.h" |
10 | ||
3c7624d8 XW |
11 | #define HNS3_MOD_VERSION "1.0" |
12 | ||
76ad4f0e S |
13 | extern const char hns3_driver_version[]; |
14 | ||
15 | enum hns3_nic_state { | |
16 | HNS3_NIC_STATE_TESTING, | |
17 | HNS3_NIC_STATE_RESETTING, | |
814da63c | 18 | HNS3_NIC_STATE_INITED, |
76ad4f0e S |
19 | HNS3_NIC_STATE_DOWN, |
20 | HNS3_NIC_STATE_DISABLED, | |
21 | HNS3_NIC_STATE_REMOVING, | |
22 | HNS3_NIC_STATE_SERVICE_INITED, | |
23 | HNS3_NIC_STATE_SERVICE_SCHED, | |
24 | HNS3_NIC_STATE2_RESET_REQUESTED, | |
25 | HNS3_NIC_STATE_MAX | |
26 | }; | |
27 | ||
28 | #define HNS3_RING_RX_RING_BASEADDR_L_REG 0x00000 | |
29 | #define HNS3_RING_RX_RING_BASEADDR_H_REG 0x00004 | |
30 | #define HNS3_RING_RX_RING_BD_NUM_REG 0x00008 | |
31 | #define HNS3_RING_RX_RING_BD_LEN_REG 0x0000C | |
32 | #define HNS3_RING_RX_RING_TAIL_REG 0x00018 | |
33 | #define HNS3_RING_RX_RING_HEAD_REG 0x0001C | |
34 | #define HNS3_RING_RX_RING_FBDNUM_REG 0x00020 | |
35 | #define HNS3_RING_RX_RING_PKTNUM_RECORD_REG 0x0002C | |
36 | ||
37 | #define HNS3_RING_TX_RING_BASEADDR_L_REG 0x00040 | |
38 | #define HNS3_RING_TX_RING_BASEADDR_H_REG 0x00044 | |
39 | #define HNS3_RING_TX_RING_BD_NUM_REG 0x00048 | |
1c772154 | 40 | #define HNS3_RING_TX_RING_TC_REG 0x00050 |
76ad4f0e S |
41 | #define HNS3_RING_TX_RING_TAIL_REG 0x00058 |
42 | #define HNS3_RING_TX_RING_HEAD_REG 0x0005C | |
43 | #define HNS3_RING_TX_RING_FBDNUM_REG 0x00060 | |
44 | #define HNS3_RING_TX_RING_OFFSET_REG 0x00064 | |
e511c97d | 45 | #define HNS3_RING_TX_RING_EBDNUM_REG 0x00068 |
76ad4f0e | 46 | #define HNS3_RING_TX_RING_PKTNUM_RECORD_REG 0x0006C |
e511c97d JS |
47 | #define HNS3_RING_TX_RING_EBD_OFFSET_REG 0x00070 |
48 | #define HNS3_RING_TX_RING_BD_ERR_REG 0x00074 | |
76ad4f0e S |
49 | #define HNS3_RING_PREFETCH_EN_REG 0x0007C |
50 | #define HNS3_RING_CFG_VF_NUM_REG 0x00080 | |
51 | #define HNS3_RING_ASID_REG 0x0008C | |
8df0fa91 | 52 | #define HNS3_RING_EN_REG 0x00090 |
76ad4f0e S |
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 | |
a723fb8e | 78 | #define HNS3_RING_MAX_PENDING 32760 |
ae9d6e63 | 79 | #define HNS3_RING_MIN_PENDING 72 |
5668abda | 80 | #define HNS3_RING_BD_MULTIPLE 8 |
e6d7d79d YL |
81 | /* max frame size of mac */ |
82 | #define HNS3_MAC_MAX_FRAME 9728 | |
83 | #define HNS3_MAX_MTU \ | |
84 | (HNS3_MAC_MAX_FRAME - (ETH_HLEN + ETH_FCS_LEN + 2 * VLAN_HLEN)) | |
76ad4f0e S |
85 | |
86 | #define HNS3_BD_SIZE_512_TYPE 0 | |
87 | #define HNS3_BD_SIZE_1024_TYPE 1 | |
88 | #define HNS3_BD_SIZE_2048_TYPE 2 | |
89 | #define HNS3_BD_SIZE_4096_TYPE 3 | |
90 | ||
91 | #define HNS3_RX_FLAG_VLAN_PRESENT 0x1 | |
92 | #define HNS3_RX_FLAG_L3ID_IPV4 0x0 | |
93 | #define HNS3_RX_FLAG_L3ID_IPV6 0x1 | |
94 | #define HNS3_RX_FLAG_L4ID_UDP 0x0 | |
95 | #define HNS3_RX_FLAG_L4ID_TCP 0x1 | |
96 | ||
97 | #define HNS3_RXD_DMAC_S 0 | |
98 | #define HNS3_RXD_DMAC_M (0x3 << HNS3_RXD_DMAC_S) | |
99 | #define HNS3_RXD_VLAN_S 2 | |
100 | #define HNS3_RXD_VLAN_M (0x3 << HNS3_RXD_VLAN_S) | |
101 | #define HNS3_RXD_L3ID_S 4 | |
102 | #define HNS3_RXD_L3ID_M (0xf << HNS3_RXD_L3ID_S) | |
103 | #define HNS3_RXD_L4ID_S 8 | |
104 | #define HNS3_RXD_L4ID_M (0xf << HNS3_RXD_L4ID_S) | |
105 | #define HNS3_RXD_FRAG_B 12 | |
5b5455a9 PL |
106 | #define HNS3_RXD_STRP_TAGP_S 13 |
107 | #define HNS3_RXD_STRP_TAGP_M (0x3 << HNS3_RXD_STRP_TAGP_S) | |
108 | ||
76ad4f0e S |
109 | #define HNS3_RXD_L2E_B 16 |
110 | #define HNS3_RXD_L3E_B 17 | |
111 | #define HNS3_RXD_L4E_B 18 | |
112 | #define HNS3_RXD_TRUNCAT_B 19 | |
113 | #define HNS3_RXD_HOI_B 20 | |
114 | #define HNS3_RXD_DOI_B 21 | |
115 | #define HNS3_RXD_OL3E_B 22 | |
116 | #define HNS3_RXD_OL4E_B 23 | |
a6d53b97 PL |
117 | #define HNS3_RXD_GRO_COUNT_S 24 |
118 | #define HNS3_RXD_GRO_COUNT_M (0x3f << HNS3_RXD_GRO_COUNT_S) | |
119 | #define HNS3_RXD_GRO_FIXID_B 30 | |
120 | #define HNS3_RXD_GRO_ECN_B 31 | |
76ad4f0e S |
121 | |
122 | #define HNS3_RXD_ODMAC_S 0 | |
123 | #define HNS3_RXD_ODMAC_M (0x3 << HNS3_RXD_ODMAC_S) | |
124 | #define HNS3_RXD_OVLAN_S 2 | |
125 | #define HNS3_RXD_OVLAN_M (0x3 << HNS3_RXD_OVLAN_S) | |
126 | #define HNS3_RXD_OL3ID_S 4 | |
127 | #define HNS3_RXD_OL3ID_M (0xf << HNS3_RXD_OL3ID_S) | |
128 | #define HNS3_RXD_OL4ID_S 8 | |
129 | #define HNS3_RXD_OL4ID_M (0xf << HNS3_RXD_OL4ID_S) | |
130 | #define HNS3_RXD_FBHI_S 12 | |
131 | #define HNS3_RXD_FBHI_M (0x3 << HNS3_RXD_FBHI_S) | |
132 | #define HNS3_RXD_FBLI_S 14 | |
133 | #define HNS3_RXD_FBLI_M (0x3 << HNS3_RXD_FBLI_S) | |
134 | ||
135 | #define HNS3_RXD_BDTYPE_S 0 | |
136 | #define HNS3_RXD_BDTYPE_M (0xf << HNS3_RXD_BDTYPE_S) | |
137 | #define HNS3_RXD_VLD_B 4 | |
138 | #define HNS3_RXD_UDP0_B 5 | |
139 | #define HNS3_RXD_EXTEND_B 7 | |
140 | #define HNS3_RXD_FE_B 8 | |
141 | #define HNS3_RXD_LUM_B 9 | |
142 | #define HNS3_RXD_CRCP_B 10 | |
143 | #define HNS3_RXD_L3L4P_B 11 | |
144 | #define HNS3_RXD_TSIND_S 12 | |
145 | #define HNS3_RXD_TSIND_M (0x7 << HNS3_RXD_TSIND_S) | |
146 | #define HNS3_RXD_LKBK_B 15 | |
a6d53b97 | 147 | #define HNS3_RXD_GRO_SIZE_S 16 |
eff858c1 | 148 | #define HNS3_RXD_GRO_SIZE_M (0x3fff << HNS3_RXD_GRO_SIZE_S) |
76ad4f0e S |
149 | |
150 | #define HNS3_TXD_L3T_S 0 | |
151 | #define HNS3_TXD_L3T_M (0x3 << HNS3_TXD_L3T_S) | |
152 | #define HNS3_TXD_L4T_S 2 | |
153 | #define HNS3_TXD_L4T_M (0x3 << HNS3_TXD_L4T_S) | |
154 | #define HNS3_TXD_L3CS_B 4 | |
155 | #define HNS3_TXD_L4CS_B 5 | |
156 | #define HNS3_TXD_VLAN_B 6 | |
157 | #define HNS3_TXD_TSO_B 7 | |
158 | ||
159 | #define HNS3_TXD_L2LEN_S 8 | |
160 | #define HNS3_TXD_L2LEN_M (0xff << HNS3_TXD_L2LEN_S) | |
161 | #define HNS3_TXD_L3LEN_S 16 | |
162 | #define HNS3_TXD_L3LEN_M (0xff << HNS3_TXD_L3LEN_S) | |
163 | #define HNS3_TXD_L4LEN_S 24 | |
164 | #define HNS3_TXD_L4LEN_M (0xff << HNS3_TXD_L4LEN_S) | |
165 | ||
166 | #define HNS3_TXD_OL3T_S 0 | |
167 | #define HNS3_TXD_OL3T_M (0x3 << HNS3_TXD_OL3T_S) | |
168 | #define HNS3_TXD_OVLAN_B 2 | |
169 | #define HNS3_TXD_MACSEC_B 3 | |
170 | #define HNS3_TXD_TUNTYPE_S 4 | |
171 | #define HNS3_TXD_TUNTYPE_M (0xf << HNS3_TXD_TUNTYPE_S) | |
172 | ||
173 | #define HNS3_TXD_BDTYPE_S 0 | |
174 | #define HNS3_TXD_BDTYPE_M (0xf << HNS3_TXD_BDTYPE_S) | |
175 | #define HNS3_TXD_FE_B 4 | |
176 | #define HNS3_TXD_SC_S 5 | |
177 | #define HNS3_TXD_SC_M (0x3 << HNS3_TXD_SC_S) | |
178 | #define HNS3_TXD_EXTEND_B 7 | |
179 | #define HNS3_TXD_VLD_B 8 | |
180 | #define HNS3_TXD_RI_B 9 | |
181 | #define HNS3_TXD_RA_B 10 | |
182 | #define HNS3_TXD_TSYN_B 11 | |
183 | #define HNS3_TXD_DECTTL_S 12 | |
184 | #define HNS3_TXD_DECTTL_M (0xf << HNS3_TXD_DECTTL_S) | |
185 | ||
186 | #define HNS3_TXD_MSS_S 0 | |
187 | #define HNS3_TXD_MSS_M (0x3fff << HNS3_TXD_MSS_S) | |
188 | ||
0da39025 | 189 | #define HNS3_TX_LAST_SIZE_M 0xffff |
3fe13ed9 | 190 | |
76ad4f0e S |
191 | #define HNS3_VECTOR_TX_IRQ BIT_ULL(0) |
192 | #define HNS3_VECTOR_RX_IRQ BIT_ULL(1) | |
193 | ||
194 | #define HNS3_VECTOR_NOT_INITED 0 | |
195 | #define HNS3_VECTOR_INITED 1 | |
196 | ||
197 | #define HNS3_MAX_BD_SIZE 65535 | |
ae9d6e63 YL |
198 | #define HNS3_MAX_NON_TSO_BD_NUM 8U |
199 | #define HNS3_MAX_TSO_BD_NUM 63U | |
200 | #define HNS3_MAX_TSO_SIZE \ | |
201 | (HNS3_MAX_BD_SIZE * HNS3_MAX_TSO_BD_NUM) | |
202 | ||
203 | #define HNS3_MAX_NON_TSO_SIZE \ | |
204 | (HNS3_MAX_BD_SIZE * HNS3_MAX_NON_TSO_BD_NUM) | |
76ad4f0e S |
205 | |
206 | #define HNS3_VECTOR_GL0_OFFSET 0x100 | |
207 | #define HNS3_VECTOR_GL1_OFFSET 0x200 | |
208 | #define HNS3_VECTOR_GL2_OFFSET 0x300 | |
209 | #define HNS3_VECTOR_RL_OFFSET 0x900 | |
210 | #define HNS3_VECTOR_RL_EN_B 6 | |
211 | ||
8df0fa91 HT |
212 | #define HNS3_RING_EN_B 0 |
213 | ||
c376fa1a JS |
214 | enum hns3_pkt_l2t_type { |
215 | HNS3_L2_TYPE_UNICAST, | |
216 | HNS3_L2_TYPE_MULTICAST, | |
217 | HNS3_L2_TYPE_BROADCAST, | |
218 | HNS3_L2_TYPE_INVALID, | |
219 | }; | |
220 | ||
76ad4f0e S |
221 | enum hns3_pkt_l3t_type { |
222 | HNS3_L3T_NONE, | |
223 | HNS3_L3T_IPV6, | |
224 | HNS3_L3T_IPV4, | |
225 | HNS3_L3T_RESERVED | |
226 | }; | |
227 | ||
228 | enum hns3_pkt_l4t_type { | |
229 | HNS3_L4T_UNKNOWN, | |
230 | HNS3_L4T_TCP, | |
231 | HNS3_L4T_UDP, | |
232 | HNS3_L4T_SCTP | |
233 | }; | |
234 | ||
235 | enum hns3_pkt_ol3t_type { | |
236 | HNS3_OL3T_NONE, | |
237 | HNS3_OL3T_IPV6, | |
238 | HNS3_OL3T_IPV4_NO_CSUM, | |
239 | HNS3_OL3T_IPV4_CSUM | |
240 | }; | |
241 | ||
242 | enum hns3_pkt_tun_type { | |
243 | HNS3_TUN_NONE, | |
244 | HNS3_TUN_MAC_IN_UDP, | |
245 | HNS3_TUN_NVGRE, | |
246 | HNS3_TUN_OTHER | |
247 | }; | |
248 | ||
249 | /* hardware spec ring buffer format */ | |
250 | struct __packed hns3_desc { | |
251 | __le64 addr; | |
252 | union { | |
253 | struct { | |
254 | __le16 vlan_tag; | |
255 | __le16 send_size; | |
256 | union { | |
257 | __le32 type_cs_vlan_tso_len; | |
258 | struct { | |
259 | __u8 type_cs_vlan_tso; | |
260 | __u8 l2_len; | |
261 | __u8 l3_len; | |
262 | __u8 l4_len; | |
263 | }; | |
264 | }; | |
265 | __le16 outer_vlan_tag; | |
266 | __le16 tv; | |
267 | ||
268 | union { | |
269 | __le32 ol_type_vlan_len_msec; | |
270 | struct { | |
271 | __u8 ol_type_vlan_msec; | |
272 | __u8 ol2_len; | |
273 | __u8 ol3_len; | |
274 | __u8 ol4_len; | |
275 | }; | |
276 | }; | |
277 | ||
278 | __le32 paylen; | |
279 | __le16 bdtp_fe_sc_vld_ra_ri; | |
280 | __le16 mss; | |
281 | } tx; | |
282 | ||
283 | struct { | |
284 | __le32 l234_info; | |
285 | __le16 pkt_len; | |
286 | __le16 size; | |
287 | ||
288 | __le32 rss_hash; | |
289 | __le16 fd_id; | |
290 | __le16 vlan_tag; | |
291 | ||
292 | union { | |
293 | __le32 ol_info; | |
294 | struct { | |
295 | __le16 o_dm_vlan_id_fb; | |
296 | __le16 ot_vlan_tag; | |
297 | }; | |
298 | }; | |
299 | ||
300 | __le32 bd_base_info; | |
301 | } rx; | |
302 | }; | |
303 | }; | |
304 | ||
305 | struct hns3_desc_cb { | |
306 | dma_addr_t dma; /* dma address of this desc */ | |
307 | void *buf; /* cpu addr for a desc */ | |
308 | ||
46ee7350 | 309 | /* priv data for the desc, e.g. skb when use with ip stack */ |
76ad4f0e | 310 | void *priv; |
27a59593 | 311 | u32 page_offset; |
48d154e7 | 312 | u32 length; /* length of the buffer */ |
76ad4f0e | 313 | |
27a59593 HT |
314 | u16 reuse_flag; |
315 | ||
0da39025 | 316 | /* desc type, used by the ring user to mark the type of the priv data */ |
76ad4f0e S |
317 | u16 type; |
318 | }; | |
319 | ||
320 | enum hns3_pkt_l3type { | |
321 | HNS3_L3_TYPE_IPV4, | |
322 | HNS3_L3_TYPE_IPV6, | |
323 | HNS3_L3_TYPE_ARP, | |
324 | HNS3_L3_TYPE_RARP, | |
325 | HNS3_L3_TYPE_IPV4_OPT, | |
326 | HNS3_L3_TYPE_IPV6_EXT, | |
327 | HNS3_L3_TYPE_LLDP, | |
328 | HNS3_L3_TYPE_BPDU, | |
329 | HNS3_L3_TYPE_MAC_PAUSE, | |
330 | HNS3_L3_TYPE_PFC_PAUSE,/* 0x9*/ | |
331 | ||
46ee7350 | 332 | /* reserved for 0xA~0xB */ |
76ad4f0e S |
333 | |
334 | HNS3_L3_TYPE_CNM = 0xc, | |
335 | ||
46ee7350 | 336 | /* reserved for 0xD~0xE */ |
76ad4f0e S |
337 | |
338 | HNS3_L3_TYPE_PARSE_FAIL = 0xf /* must be last */ | |
339 | }; | |
340 | ||
341 | enum hns3_pkt_l4type { | |
342 | HNS3_L4_TYPE_UDP, | |
343 | HNS3_L4_TYPE_TCP, | |
344 | HNS3_L4_TYPE_GRE, | |
345 | HNS3_L4_TYPE_SCTP, | |
346 | HNS3_L4_TYPE_IGMP, | |
347 | HNS3_L4_TYPE_ICMP, | |
348 | ||
349 | /* reserved for 0x6~0xE */ | |
350 | ||
351 | HNS3_L4_TYPE_PARSE_FAIL = 0xf /* must be last */ | |
352 | }; | |
353 | ||
354 | enum hns3_pkt_ol3type { | |
355 | HNS3_OL3_TYPE_IPV4 = 0, | |
356 | HNS3_OL3_TYPE_IPV6, | |
357 | /* reserved for 0x2~0x3 */ | |
358 | HNS3_OL3_TYPE_IPV4_OPT = 4, | |
359 | HNS3_OL3_TYPE_IPV6_EXT, | |
360 | ||
46ee7350 | 361 | /* reserved for 0x6~0xE */ |
76ad4f0e S |
362 | |
363 | HNS3_OL3_TYPE_PARSE_FAIL = 0xf /* must be last */ | |
364 | }; | |
365 | ||
366 | enum hns3_pkt_ol4type { | |
367 | HNS3_OL4_TYPE_NO_TUN, | |
368 | HNS3_OL4_TYPE_MAC_IN_UDP, | |
369 | HNS3_OL4_TYPE_NVGRE, | |
370 | HNS3_OL4_TYPE_UNKNOWN | |
371 | }; | |
372 | ||
373 | struct ring_stats { | |
374 | u64 io_err_cnt; | |
375 | u64 sw_err_cnt; | |
376 | u64 seg_pkt_cnt; | |
377 | union { | |
378 | struct { | |
379 | u64 tx_pkts; | |
380 | u64 tx_bytes; | |
381 | u64 tx_err_cnt; | |
382 | u64 restart_queue; | |
383 | u64 tx_busy; | |
3d5f3741 | 384 | u64 tx_copy; |
b20d7fe5 YL |
385 | u64 tx_vlan_err; |
386 | u64 tx_l4_proto_err; | |
387 | u64 tx_l2l3l4_err; | |
388 | u64 tx_tso_err; | |
76ad4f0e S |
389 | }; |
390 | struct { | |
391 | u64 rx_pkts; | |
392 | u64 rx_bytes; | |
393 | u64 rx_err_cnt; | |
394 | u64 reuse_pg_cnt; | |
395 | u64 err_pkt_len; | |
76ad4f0e S |
396 | u64 err_bd_num; |
397 | u64 l2_err; | |
398 | u64 l3l4_csum_err; | |
c376fa1a | 399 | u64 rx_multicast; |
d21ff4f9 | 400 | u64 non_reuse_pg; |
76ad4f0e S |
401 | }; |
402 | }; | |
403 | }; | |
404 | ||
405 | struct hns3_enet_ring { | |
406 | u8 __iomem *io_base; /* base io address for the ring */ | |
407 | struct hns3_desc *desc; /* dma map address space */ | |
408 | struct hns3_desc_cb *desc_cb; | |
409 | struct hns3_enet_ring *next; | |
410 | struct hns3_enet_tqp_vector *tqp_vector; | |
411 | struct hnae3_queue *tqp; | |
c6a3703d | 412 | int queue_index; |
76ad4f0e S |
413 | struct device *dev; /* will be used for DMA mapping of descriptors */ |
414 | ||
415 | /* statistic */ | |
416 | struct ring_stats stats; | |
417 | struct u64_stats_sync syncp; | |
418 | ||
419 | dma_addr_t desc_dma_addr; | |
420 | u32 buf_size; /* size for hnae_desc->addr, preset by AE */ | |
421 | u16 desc_num; /* total number of desc */ | |
76ad4f0e S |
422 | int next_to_use; /* idx of next spare desc */ |
423 | ||
424 | /* idx of lastest sent desc, the ring is empty when equal to | |
425 | * next_to_use | |
426 | */ | |
427 | int next_to_clean; | |
428 | ||
ebaf1908 | 429 | u32 pull_len; /* head length for current packet */ |
81ae0e04 | 430 | u32 frag_num; |
e5597095 PL |
431 | unsigned char *va; /* first buffer address for current packet */ |
432 | ||
76ad4f0e | 433 | u32 flag; /* ring attribute */ |
76ad4f0e | 434 | |
e5597095 PL |
435 | int pending_buf; |
436 | struct sk_buff *skb; | |
81ae0e04 | 437 | struct sk_buff *tail_skb; |
72029534 | 438 | } ____cacheline_internodealigned_in_smp; |
76ad4f0e | 439 | |
76ad4f0e S |
440 | enum hns3_flow_level_range { |
441 | HNS3_FLOW_LOW = 0, | |
442 | HNS3_FLOW_MID = 1, | |
443 | HNS3_FLOW_HIGH = 2, | |
444 | HNS3_FLOW_ULTRA = 3, | |
445 | }; | |
446 | ||
434776a5 | 447 | #define HNS3_INT_GL_MAX 0x1FE0 |
b81c59e1 FL |
448 | #define HNS3_INT_GL_50K 0x0014 |
449 | #define HNS3_INT_GL_20K 0x0032 | |
450 | #define HNS3_INT_GL_18K 0x0036 | |
451 | #define HNS3_INT_GL_8K 0x007C | |
76ad4f0e | 452 | |
434776a5 FL |
453 | #define HNS3_INT_RL_MAX 0x00EC |
454 | #define HNS3_INT_RL_ENABLE_MASK 0x40 | |
455 | ||
9bc727a9 YL |
456 | struct hns3_enet_coalesce { |
457 | u16 int_gl; | |
458 | u8 gl_adapt_enable; | |
459 | enum hns3_flow_level_range flow_level; | |
460 | }; | |
461 | ||
76ad4f0e S |
462 | struct hns3_enet_ring_group { |
463 | /* array of pointers to rings */ | |
464 | struct hns3_enet_ring *ring; | |
465 | u64 total_bytes; /* total bytes processed this group */ | |
466 | u64 total_packets; /* total packets processed this group */ | |
467 | u16 count; | |
9bc727a9 | 468 | struct hns3_enet_coalesce coal; |
76ad4f0e S |
469 | }; |
470 | ||
471 | struct hns3_enet_tqp_vector { | |
472 | struct hnae3_handle *handle; | |
473 | u8 __iomem *mask_addr; | |
474 | int vector_irq; | |
475 | int irq_init_flag; | |
476 | ||
477 | u16 idx; /* index in the TQP vector array per handle. */ | |
478 | ||
479 | struct napi_struct napi; | |
480 | ||
481 | struct hns3_enet_ring_group rx_group; | |
482 | struct hns3_enet_ring_group tx_group; | |
483 | ||
874bff0b | 484 | cpumask_t affinity_mask; |
76ad4f0e | 485 | u16 num_tqps; /* total number of tqps in TQP vector */ |
874bff0b | 486 | struct irq_affinity_notify affinity_notify; |
76ad4f0e | 487 | |
76ad4f0e S |
488 | char name[HNAE3_INT_NAME_LEN]; |
489 | ||
a95e1f86 | 490 | unsigned long last_jiffies; |
76ad4f0e S |
491 | } ____cacheline_internodealigned_in_smp; |
492 | ||
493 | enum hns3_udp_tnl_type { | |
494 | HNS3_UDP_TNL_VXLAN, | |
495 | HNS3_UDP_TNL_GENEVE, | |
496 | HNS3_UDP_TNL_MAX, | |
497 | }; | |
498 | ||
499 | struct hns3_udp_tunnel { | |
500 | u16 dst_port; | |
501 | int used; | |
502 | }; | |
503 | ||
504 | struct hns3_nic_priv { | |
505 | struct hnae3_handle *ae_handle; | |
506 | u32 enet_ver; | |
507 | u32 port_id; | |
508 | struct net_device *netdev; | |
509 | struct device *dev; | |
76ad4f0e S |
510 | |
511 | /** | |
512 | * the cb for nic to manage the ring buffer, the first half of the | |
513 | * array is for tx_ring and vice versa for the second half | |
514 | */ | |
c6a3703d | 515 | struct hns3_enet_ring *ring; |
76ad4f0e S |
516 | struct hns3_enet_tqp_vector *tqp_vector; |
517 | u16 vector_num; | |
518 | ||
519 | /* The most recently read link state */ | |
520 | int link; | |
521 | u64 tx_timeout_count; | |
522 | ||
523 | unsigned long state; | |
524 | ||
525 | struct timer_list service_timer; | |
526 | ||
527 | struct work_struct service_task; | |
528 | ||
529 | struct notifier_block notifier_block; | |
530 | /* Vxlan/Geneve information */ | |
531 | struct hns3_udp_tunnel udp_tnl[HNS3_UDP_TNL_MAX]; | |
e4fd7502 HT |
532 | struct hns3_enet_coalesce tx_coal; |
533 | struct hns3_enet_coalesce rx_coal; | |
76ad4f0e S |
534 | }; |
535 | ||
536 | union l3_hdr_info { | |
537 | struct iphdr *v4; | |
538 | struct ipv6hdr *v6; | |
539 | unsigned char *hdr; | |
540 | }; | |
541 | ||
542 | union l4_hdr_info { | |
543 | struct tcphdr *tcp; | |
544 | struct udphdr *udp; | |
1a6e552d | 545 | struct gre_base_hdr *gre; |
76ad4f0e S |
546 | unsigned char *hdr; |
547 | }; | |
548 | ||
a83d2961 WL |
549 | struct hns3_hw_error_info { |
550 | enum hnae3_hw_error_type type; | |
551 | const char *msg; | |
552 | }; | |
553 | ||
76ad4f0e S |
554 | static inline int ring_space(struct hns3_enet_ring *ring) |
555 | { | |
26cda2f1 YL |
556 | /* This smp_load_acquire() pairs with smp_store_release() in |
557 | * hns3_nic_reclaim_one_desc called by hns3_clean_tx_ring. | |
558 | */ | |
559 | int begin = smp_load_acquire(&ring->next_to_clean); | |
560 | int end = READ_ONCE(ring->next_to_use); | |
0aa3d88a YL |
561 | |
562 | return ((end >= begin) ? (ring->desc_num - end + begin) : | |
563 | (begin - end)) - 1; | |
76ad4f0e S |
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 | ||
8df0fa91 HT |
571 | static inline u32 hns3_read_reg(void __iomem *base, u32 reg) |
572 | { | |
573 | return readl(base + reg); | |
574 | } | |
575 | ||
76ad4f0e S |
576 | static inline void hns3_write_reg(void __iomem *base, u32 reg, u32 value) |
577 | { | |
578 | u8 __iomem *reg_addr = READ_ONCE(base); | |
579 | ||
580 | writel(value, reg_addr + reg); | |
581 | } | |
582 | ||
6871af29 JS |
583 | static inline bool hns3_dev_ongoing_func_reset(struct hnae3_ae_dev *ae_dev) |
584 | { | |
dea846e8 | 585 | return (ae_dev && (ae_dev->reset_type == HNAE3_FUNC_RESET || |
6b9a97ee | 586 | ae_dev->reset_type == HNAE3_FLR_RESET || |
aa5c4f17 | 587 | ae_dev->reset_type == HNAE3_VF_FUNC_RESET || |
6b9a97ee | 588 | ae_dev->reset_type == HNAE3_VF_FULL_RESET || |
aa5c4f17 | 589 | ae_dev->reset_type == HNAE3_VF_PF_FUNC_RESET)); |
6871af29 JS |
590 | } |
591 | ||
8df0fa91 HT |
592 | #define hns3_read_dev(a, reg) \ |
593 | hns3_read_reg((a)->io_base, (reg)) | |
594 | ||
257e4f29 HT |
595 | static inline bool hns3_nic_resetting(struct net_device *netdev) |
596 | { | |
597 | struct hns3_nic_priv *priv = netdev_priv(netdev); | |
598 | ||
599 | return test_bit(HNS3_NIC_STATE_RESETTING, &priv->state); | |
600 | } | |
601 | ||
76ad4f0e S |
602 | #define hns3_write_dev(a, reg, value) \ |
603 | hns3_write_reg((a)->io_base, (reg), (value)) | |
604 | ||
e4e87715 | 605 | #define hnae3_queue_xmit(tqp, buf_num) writel_relaxed(buf_num, \ |
76ad4f0e S |
606 | (tqp)->io_base + HNS3_RING_TX_RING_TAIL_REG) |
607 | ||
845e0d1d | 608 | #define ring_to_dev(ring) ((ring)->dev) |
76ad4f0e | 609 | |
51f27717 YL |
610 | #define ring_to_netdev(ring) ((ring)->tqp_vector->napi.dev) |
611 | ||
76ad4f0e S |
612 | #define ring_to_dma_dir(ring) (HNAE3_IS_TX_RING(ring) ? \ |
613 | DMA_TO_DEVICE : DMA_FROM_DEVICE) | |
614 | ||
dbba6da0 YL |
615 | #define hns3_buf_size(_ring) ((_ring)->buf_size) |
616 | ||
617 | static inline unsigned int hns3_page_order(struct hns3_enet_ring *ring) | |
618 | { | |
619 | #if (PAGE_SIZE < 8192) | |
620 | if (ring->buf_size > (PAGE_SIZE / 2)) | |
621 | return 1; | |
622 | #endif | |
623 | return 0; | |
624 | } | |
625 | ||
626 | #define hns3_page_size(_ring) (PAGE_SIZE << hns3_page_order(_ring)) | |
76ad4f0e S |
627 | |
628 | /* iterator for handling rings in ring group */ | |
629 | #define hns3_for_each_ring(pos, head) \ | |
630 | for (pos = (head).ring; pos; pos = pos->next) | |
631 | ||
9780cb97 YL |
632 | #define hns3_get_handle(ndev) \ |
633 | (((struct hns3_nic_priv *)netdev_priv(ndev))->ae_handle) | |
634 | ||
434776a5 FL |
635 | #define hns3_gl_usec_to_reg(int_gl) (int_gl >> 1) |
636 | #define hns3_gl_round_down(int_gl) round_down(int_gl, 2) | |
637 | ||
638 | #define hns3_rl_usec_to_reg(int_rl) (int_rl >> 2) | |
639 | #define hns3_rl_round_down(int_rl) round_down(int_rl, 4) | |
640 | ||
76ad4f0e | 641 | void hns3_ethtool_set_ops(struct net_device *netdev); |
09f2af64 PL |
642 | int hns3_set_channels(struct net_device *netdev, |
643 | struct ethtool_channels *ch); | |
76ad4f0e | 644 | |
799997a3 | 645 | void hns3_clean_tx_ring(struct hns3_enet_ring *ring); |
5668abda L |
646 | int hns3_init_all_ring(struct hns3_nic_priv *priv); |
647 | int hns3_uninit_all_ring(struct hns3_nic_priv *priv); | |
7b763f3f | 648 | int hns3_nic_reset_all_ring(struct hnae3_handle *h); |
a723fb8e | 649 | void hns3_fini_ring(struct hns3_enet_ring *ring); |
d43e5aca | 650 | netdev_tx_t hns3_nic_net_xmit(struct sk_buff *skb, struct net_device *netdev); |
97afd47b | 651 | bool hns3_is_phys_func(struct pci_dev *pdev); |
d43e5aca YL |
652 | int hns3_clean_rx_ring( |
653 | struct hns3_enet_ring *ring, int budget, | |
654 | void (*rx_fn)(struct hns3_enet_ring *, struct sk_buff *)); | |
986743db | 655 | |
434776a5 FL |
656 | void hns3_set_vector_coalesce_rx_gl(struct hns3_enet_tqp_vector *tqp_vector, |
657 | u32 gl_value); | |
658 | void hns3_set_vector_coalesce_tx_gl(struct hns3_enet_tqp_vector *tqp_vector, | |
659 | u32 gl_value); | |
660 | void hns3_set_vector_coalesce_rl(struct hns3_enet_tqp_vector *tqp_vector, | |
661 | u32 rl_value); | |
662 | ||
c60edc17 | 663 | void hns3_enable_vlan_filter(struct net_device *netdev, bool enable); |
7fa6be4f | 664 | int hns3_update_promisc_mode(struct net_device *netdev, u8 promisc_flags); |
c60edc17 | 665 | |
986743db YL |
666 | #ifdef CONFIG_HNS3_DCB |
667 | void hns3_dcbnl_setup(struct hnae3_handle *handle); | |
668 | #else | |
669 | static inline void hns3_dcbnl_setup(struct hnae3_handle *handle) {} | |
670 | #endif | |
671 | ||
b2292360 | 672 | void hns3_dbg_init(struct hnae3_handle *handle); |
673 | void hns3_dbg_uninit(struct hnae3_handle *handle); | |
674 | void hns3_dbg_register_debugfs(const char *debugfs_dir_name); | |
675 | void hns3_dbg_unregister_debugfs(void); | |
db630789 | 676 | void hns3_shinfo_pack(struct skb_shared_info *shinfo, __u32 *size); |
76ad4f0e | 677 | #endif |