xref: /linux/drivers/net/ethernet/huawei/hinic/hinic_hw_wqe.h (revision ae22a94997b8a03dcb3c922857c203246711f9d4)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Huawei HiNIC PCI Express Linux driver
4  * Copyright(c) 2017 Huawei Technologies Co., Ltd
5  */
6 
7 #ifndef HINIC_HW_WQE_H
8 #define HINIC_HW_WQE_H
9 
10 #include "hinic_common.h"
11 
12 #define HINIC_CMDQ_CTRL_PI_SHIFT                        0
13 #define HINIC_CMDQ_CTRL_CMD_SHIFT                       16
14 #define HINIC_CMDQ_CTRL_MOD_SHIFT                       24
15 #define HINIC_CMDQ_CTRL_ACK_TYPE_SHIFT                  29
16 #define HINIC_CMDQ_CTRL_HW_BUSY_BIT_SHIFT               31
17 
18 #define HINIC_CMDQ_CTRL_PI_MASK                         0xFFFF
19 #define HINIC_CMDQ_CTRL_CMD_MASK                        0xFF
20 #define HINIC_CMDQ_CTRL_MOD_MASK                        0x1F
21 #define HINIC_CMDQ_CTRL_ACK_TYPE_MASK                   0x3
22 #define HINIC_CMDQ_CTRL_HW_BUSY_BIT_MASK                0x1
23 
24 #define HINIC_CMDQ_CTRL_SET(val, member)                        \
25 			(((u32)(val) & HINIC_CMDQ_CTRL_##member##_MASK) \
26 			 << HINIC_CMDQ_CTRL_##member##_SHIFT)
27 
28 #define HINIC_CMDQ_CTRL_GET(val, member)                        \
29 			(((val) >> HINIC_CMDQ_CTRL_##member##_SHIFT) \
30 			 & HINIC_CMDQ_CTRL_##member##_MASK)
31 
32 #define HINIC_CMDQ_WQE_HEADER_BUFDESC_LEN_SHIFT         0
33 #define HINIC_CMDQ_WQE_HEADER_COMPLETE_FMT_SHIFT        15
34 #define HINIC_CMDQ_WQE_HEADER_DATA_FMT_SHIFT            22
35 #define HINIC_CMDQ_WQE_HEADER_COMPLETE_REQ_SHIFT        23
36 #define HINIC_CMDQ_WQE_HEADER_COMPLETE_SECT_LEN_SHIFT   27
37 #define HINIC_CMDQ_WQE_HEADER_CTRL_LEN_SHIFT            29
38 #define HINIC_CMDQ_WQE_HEADER_TOGGLED_WRAPPED_SHIFT     31
39 
40 #define HINIC_CMDQ_WQE_HEADER_BUFDESC_LEN_MASK          0xFF
41 #define HINIC_CMDQ_WQE_HEADER_COMPLETE_FMT_MASK         0x1
42 #define HINIC_CMDQ_WQE_HEADER_DATA_FMT_MASK             0x1
43 #define HINIC_CMDQ_WQE_HEADER_COMPLETE_REQ_MASK         0x1
44 #define HINIC_CMDQ_WQE_HEADER_COMPLETE_SECT_LEN_MASK    0x3
45 #define HINIC_CMDQ_WQE_HEADER_CTRL_LEN_MASK             0x3
46 #define HINIC_CMDQ_WQE_HEADER_TOGGLED_WRAPPED_MASK      0x1
47 
48 #define HINIC_CMDQ_WQE_HEADER_SET(val, member)                  \
49 			(((u32)(val) & HINIC_CMDQ_WQE_HEADER_##member##_MASK) \
50 			 << HINIC_CMDQ_WQE_HEADER_##member##_SHIFT)
51 
52 #define HINIC_CMDQ_WQE_HEADER_GET(val, member)                  \
53 			(((val) >> HINIC_CMDQ_WQE_HEADER_##member##_SHIFT) \
54 			 & HINIC_CMDQ_WQE_HEADER_##member##_MASK)
55 
56 #define HINIC_SQ_CTRL_BUFDESC_SECT_LEN_SHIFT           0
57 #define HINIC_SQ_CTRL_TASKSECT_LEN_SHIFT               16
58 #define HINIC_SQ_CTRL_DATA_FORMAT_SHIFT                22
59 #define HINIC_SQ_CTRL_LEN_SHIFT                        29
60 
61 #define HINIC_SQ_CTRL_BUFDESC_SECT_LEN_MASK            0xFF
62 #define HINIC_SQ_CTRL_TASKSECT_LEN_MASK                0x1F
63 #define HINIC_SQ_CTRL_DATA_FORMAT_MASK                 0x1
64 #define HINIC_SQ_CTRL_LEN_MASK                         0x3
65 
66 #define HINIC_SQ_CTRL_QUEUE_INFO_PLDOFF_SHIFT          2
67 #define HINIC_SQ_CTRL_QUEUE_INFO_UFO_SHIFT             10
68 #define HINIC_SQ_CTRL_QUEUE_INFO_TSO_SHIFT             11
69 #define HINIC_SQ_CTRL_QUEUE_INFO_TCPUDP_CS_SHIFT       12
70 #define HINIC_SQ_CTRL_QUEUE_INFO_MSS_SHIFT             13
71 #define HINIC_SQ_CTRL_QUEUE_INFO_SCTP_SHIFT            27
72 #define HINIC_SQ_CTRL_QUEUE_INFO_UC_SHIFT              28
73 #define HINIC_SQ_CTRL_QUEUE_INFO_PRI_SHIFT             29
74 
75 #define HINIC_SQ_CTRL_QUEUE_INFO_PLDOFF_MASK           0xFF
76 #define HINIC_SQ_CTRL_QUEUE_INFO_UFO_MASK              0x1
77 #define HINIC_SQ_CTRL_QUEUE_INFO_TSO_MASK              0x1
78 #define HINIC_SQ_CTRL_QUEUE_INFO_TCPUDP_CS_MASK	       0x1
79 #define HINIC_SQ_CTRL_QUEUE_INFO_MSS_MASK              0x3FFF
80 #define HINIC_SQ_CTRL_QUEUE_INFO_SCTP_MASK             0x1
81 #define HINIC_SQ_CTRL_QUEUE_INFO_UC_MASK               0x1
82 #define HINIC_SQ_CTRL_QUEUE_INFO_PRI_MASK              0x7
83 
84 #define HINIC_SQ_CTRL_SET(val, member)          \
85 		(((u32)(val) & HINIC_SQ_CTRL_##member##_MASK) \
86 		 << HINIC_SQ_CTRL_##member##_SHIFT)
87 
88 #define HINIC_SQ_CTRL_GET(val, member)          \
89 		(((val) >> HINIC_SQ_CTRL_##member##_SHIFT) \
90 		 & HINIC_SQ_CTRL_##member##_MASK)
91 
92 #define HINIC_SQ_CTRL_CLEAR(val, member)	\
93 		((u32)(val) & (~(HINIC_SQ_CTRL_##member##_MASK \
94 		 << HINIC_SQ_CTRL_##member##_SHIFT)))
95 
96 #define HINIC_SQ_TASK_INFO0_L2HDR_LEN_SHIFT     0
97 #define HINIC_SQ_TASK_INFO0_L4_OFFLOAD_SHIFT    8
98 #define HINIC_SQ_TASK_INFO0_INNER_L3TYPE_SHIFT  10
99 #define HINIC_SQ_TASK_INFO0_VLAN_OFFLOAD_SHIFT  12
100 #define HINIC_SQ_TASK_INFO0_PARSE_FLAG_SHIFT    13
101 /* 1 bit reserved */
102 #define HINIC_SQ_TASK_INFO0_TSO_FLAG_SHIFT      15
103 #define HINIC_SQ_TASK_INFO0_VLAN_TAG_SHIFT      16
104 
105 #define HINIC_SQ_TASK_INFO0_L2HDR_LEN_MASK      0xFF
106 #define HINIC_SQ_TASK_INFO0_L4_OFFLOAD_MASK     0x3
107 #define HINIC_SQ_TASK_INFO0_INNER_L3TYPE_MASK   0x3
108 #define HINIC_SQ_TASK_INFO0_VLAN_OFFLOAD_MASK   0x1
109 #define HINIC_SQ_TASK_INFO0_PARSE_FLAG_MASK     0x1
110 /* 1 bit reserved */
111 #define HINIC_SQ_TASK_INFO0_TSO_FLAG_MASK       0x1
112 #define HINIC_SQ_TASK_INFO0_VLAN_TAG_MASK       0xFFFF
113 
114 #define HINIC_SQ_TASK_INFO0_SET(val, member)    \
115 		(((u32)(val) & HINIC_SQ_TASK_INFO0_##member##_MASK) <<  \
116 		 HINIC_SQ_TASK_INFO0_##member##_SHIFT)
117 
118 /* 8 bits reserved */
119 #define HINIC_SQ_TASK_INFO1_MEDIA_TYPE_SHIFT    8
120 #define HINIC_SQ_TASK_INFO1_INNER_L4LEN_SHIFT   16
121 #define HINIC_SQ_TASK_INFO1_INNER_L3LEN_SHIFT   24
122 
123 /* 8 bits reserved */
124 #define HINIC_SQ_TASK_INFO1_MEDIA_TYPE_MASK     0xFF
125 #define HINIC_SQ_TASK_INFO1_INNER_L4LEN_MASK    0xFF
126 #define HINIC_SQ_TASK_INFO1_INNER_L3LEN_MASK    0xFF
127 
128 #define HINIC_SQ_TASK_INFO1_SET(val, member)    \
129 		(((u32)(val) & HINIC_SQ_TASK_INFO1_##member##_MASK) <<  \
130 		 HINIC_SQ_TASK_INFO1_##member##_SHIFT)
131 
132 #define HINIC_SQ_TASK_INFO2_TUNNEL_L4LEN_SHIFT  0
133 #define HINIC_SQ_TASK_INFO2_OUTER_L3LEN_SHIFT   8
134 #define HINIC_SQ_TASK_INFO2_TUNNEL_L4TYPE_SHIFT 16
135 /* 1 bit reserved */
136 #define HINIC_SQ_TASK_INFO2_OUTER_L3TYPE_SHIFT  24
137 /* 8 bits reserved */
138 
139 #define HINIC_SQ_TASK_INFO2_TUNNEL_L4LEN_MASK   0xFF
140 #define HINIC_SQ_TASK_INFO2_OUTER_L3LEN_MASK    0xFF
141 #define HINIC_SQ_TASK_INFO2_TUNNEL_L4TYPE_MASK  0x7
142 /* 1 bit reserved */
143 #define HINIC_SQ_TASK_INFO2_OUTER_L3TYPE_MASK   0x3
144 /* 8 bits reserved */
145 
146 #define HINIC_SQ_TASK_INFO2_SET(val, member)    \
147 		(((u32)(val) & HINIC_SQ_TASK_INFO2_##member##_MASK) <<  \
148 		 HINIC_SQ_TASK_INFO2_##member##_SHIFT)
149 
150 /* 31 bits reserved */
151 #define HINIC_SQ_TASK_INFO4_L2TYPE_SHIFT        31
152 
153 /* 31 bits reserved */
154 #define HINIC_SQ_TASK_INFO4_L2TYPE_MASK         0x1
155 
156 #define HINIC_SQ_TASK_INFO4_SET(val, member)    \
157 		(((u32)(val) & HINIC_SQ_TASK_INFO4_##member##_MASK) << \
158 		 HINIC_SQ_TASK_INFO4_##member##_SHIFT)
159 
160 #define HINIC_RQ_CQE_STATUS_RXDONE_SHIFT        31
161 
162 #define HINIC_RQ_CQE_STATUS_RXDONE_MASK         0x1
163 
164 #define HINIC_RQ_CQE_STATUS_CSUM_ERR_SHIFT	0
165 
166 #define HINIC_RQ_CQE_STATUS_CSUM_ERR_MASK	0xFFFFU
167 
168 #define HINIC_RQ_CQE_STATUS_GET(val, member)    \
169 		(((val) >> HINIC_RQ_CQE_STATUS_##member##_SHIFT) & \
170 		 HINIC_RQ_CQE_STATUS_##member##_MASK)
171 
172 #define HINIC_RQ_CQE_STATUS_CLEAR(val, member)  \
173 		((val) & (~(HINIC_RQ_CQE_STATUS_##member##_MASK << \
174 		 HINIC_RQ_CQE_STATUS_##member##_SHIFT)))
175 
176 #define HINIC_RQ_CQE_SGE_LEN_SHIFT              16
177 
178 #define HINIC_RQ_CQE_SGE_LEN_MASK               0xFFFF
179 
180 #define HINIC_RQ_CQE_SGE_GET(val, member)       \
181 		(((val) >> HINIC_RQ_CQE_SGE_##member##_SHIFT) & \
182 		 HINIC_RQ_CQE_SGE_##member##_MASK)
183 
184 #define HINIC_RQ_CTRL_BUFDESC_SECT_LEN_SHIFT    0
185 #define HINIC_RQ_CTRL_COMPLETE_FORMAT_SHIFT     15
186 #define HINIC_RQ_CTRL_COMPLETE_LEN_SHIFT        27
187 #define HINIC_RQ_CTRL_LEN_SHIFT                 29
188 
189 #define HINIC_RQ_CTRL_BUFDESC_SECT_LEN_MASK     0xFF
190 #define HINIC_RQ_CTRL_COMPLETE_FORMAT_MASK      0x1
191 #define HINIC_RQ_CTRL_COMPLETE_LEN_MASK         0x3
192 #define HINIC_RQ_CTRL_LEN_MASK                  0x3
193 
194 #define HINIC_RQ_CTRL_SET(val, member)          \
195 		(((u32)(val) & HINIC_RQ_CTRL_##member##_MASK) << \
196 		 HINIC_RQ_CTRL_##member##_SHIFT)
197 
198 #define HINIC_SQ_WQE_SIZE(nr_sges)              \
199 		(sizeof(struct hinic_sq_ctrl) + \
200 		 sizeof(struct hinic_sq_task) + \
201 		 (nr_sges) * sizeof(struct hinic_sq_bufdesc))
202 
203 #define HINIC_SCMD_DATA_LEN                     16
204 
205 #define HINIC_MAX_SQ_BUFDESCS                   17
206 
207 #define HINIC_SQ_WQE_MAX_SIZE                   320
208 #define HINIC_RQ_WQE_SIZE                       32
209 
210 #define HINIC_MSS_DEFAULT		        0x3E00
211 #define HINIC_MSS_MIN		                0x50
212 
213 #define RQ_CQE_STATUS_NUM_LRO_SHIFT		16
214 #define RQ_CQE_STATUS_NUM_LRO_MASK		0xFFU
215 
216 #define RQ_CQE_STATUS_GET(val, member)		(((val) >> \
217 			RQ_CQE_STATUS_##member##_SHIFT) & \
218 			RQ_CQE_STATUS_##member##_MASK)
219 
220 #define HINIC_GET_RX_NUM_LRO(status)	\
221 		RQ_CQE_STATUS_GET(status, NUM_LRO)
222 
223 #define RQ_CQE_OFFOLAD_TYPE_PKT_TYPE_SHIFT		0
224 #define RQ_CQE_OFFOLAD_TYPE_PKT_TYPE_MASK		0xFFFU
225 #define RQ_CQE_OFFOLAD_TYPE_VLAN_EN_SHIFT		21
226 #define RQ_CQE_OFFOLAD_TYPE_VLAN_EN_MASK		0x1U
227 
228 #define RQ_CQE_OFFOLAD_TYPE_GET(val, member)		(((val) >> \
229 				RQ_CQE_OFFOLAD_TYPE_##member##_SHIFT) & \
230 				RQ_CQE_OFFOLAD_TYPE_##member##_MASK)
231 
232 #define HINIC_GET_RX_PKT_TYPE(offload_type)	\
233 			RQ_CQE_OFFOLAD_TYPE_GET(offload_type, PKT_TYPE)
234 
235 #define HINIC_GET_RX_VLAN_OFFLOAD_EN(offload_type)	\
236 			RQ_CQE_OFFOLAD_TYPE_GET(offload_type, VLAN_EN)
237 
238 #define RQ_CQE_SGE_VLAN_MASK				0xFFFFU
239 #define RQ_CQE_SGE_VLAN_SHIFT				0
240 
241 #define RQ_CQE_SGE_GET(val, member)			(((val) >> \
242 					RQ_CQE_SGE_##member##_SHIFT) & \
243 					RQ_CQE_SGE_##member##_MASK)
244 
245 #define HINIC_GET_RX_VLAN_TAG(vlan_len)	\
246 		RQ_CQE_SGE_GET(vlan_len, VLAN)
247 
248 #define HINIC_RSS_TYPE_VALID_SHIFT			23
249 #define HINIC_RSS_TYPE_TCP_IPV6_EXT_SHIFT		24
250 #define HINIC_RSS_TYPE_IPV6_EXT_SHIFT			25
251 #define HINIC_RSS_TYPE_TCP_IPV6_SHIFT			26
252 #define HINIC_RSS_TYPE_IPV6_SHIFT			27
253 #define HINIC_RSS_TYPE_TCP_IPV4_SHIFT			28
254 #define HINIC_RSS_TYPE_IPV4_SHIFT			29
255 #define HINIC_RSS_TYPE_UDP_IPV6_SHIFT			30
256 #define HINIC_RSS_TYPE_UDP_IPV4_SHIFT			31
257 
258 #define HINIC_RSS_TYPE_SET(val, member)                        \
259 		(((u32)(val) & 0x1) << HINIC_RSS_TYPE_##member##_SHIFT)
260 
261 #define HINIC_RSS_TYPE_GET(val, member)                        \
262 		(((u32)(val) >> HINIC_RSS_TYPE_##member##_SHIFT) & 0x1)
263 
264 enum hinic_l3_offload_type {
265 	L3TYPE_UNKNOWN = 0,
266 	IPV6_PKT = 1,
267 	IPV4_PKT_NO_CHKSUM_OFFLOAD = 2,
268 	IPV4_PKT_WITH_CHKSUM_OFFLOAD = 3,
269 };
270 
271 enum hinic_l4_offload_type {
272 	OFFLOAD_DISABLE     = 0,
273 	TCP_OFFLOAD_ENABLE  = 1,
274 	SCTP_OFFLOAD_ENABLE = 2,
275 	UDP_OFFLOAD_ENABLE  = 3,
276 };
277 
278 enum hinic_l4_tunnel_type {
279 	NOT_TUNNEL,
280 	TUNNEL_UDP_NO_CSUM,
281 	TUNNEL_UDP_CSUM,
282 };
283 
284 enum hinic_outer_l3type {
285 	HINIC_OUTER_L3TYPE_UNKNOWN              = 0,
286 	HINIC_OUTER_L3TYPE_IPV6                 = 1,
287 	HINIC_OUTER_L3TYPE_IPV4_NO_CHKSUM       = 2,
288 	HINIC_OUTER_L3TYPE_IPV4_CHKSUM          = 3,
289 };
290 
291 enum hinic_l2type {
292 	HINIC_L2TYPE_ETH = 0,
293 };
294 
295 struct hinic_cmdq_header {
296 	u32     header_info;
297 	u32     saved_data;
298 };
299 
300 struct hinic_status {
301 	u32 status_info;
302 };
303 
304 struct hinic_ctrl {
305 	u32 ctrl_info;
306 };
307 
308 struct hinic_sge_resp {
309 	struct hinic_sge        sge;
310 	u32                     rsvd;
311 };
312 
313 struct hinic_cmdq_completion {
314 	/* HW Format */
315 	union {
316 		struct hinic_sge_resp   sge_resp;
317 		u64                     direct_resp;
318 	};
319 };
320 
321 struct hinic_scmd_bufdesc {
322 	u32     buf_len;
323 	u32     rsvd;
324 	u8      data[HINIC_SCMD_DATA_LEN];
325 };
326 
327 struct hinic_lcmd_bufdesc {
328 	struct hinic_sge        sge;
329 	u32                     rsvd1;
330 	u64                     rsvd2;
331 	u64                     rsvd3;
332 };
333 
334 struct hinic_cmdq_wqe_scmd {
335 	struct hinic_cmdq_header        header;
336 	u64                             rsvd;
337 	struct hinic_status             status;
338 	struct hinic_ctrl               ctrl;
339 	struct hinic_cmdq_completion    completion;
340 	struct hinic_scmd_bufdesc       buf_desc;
341 };
342 
343 struct hinic_cmdq_wqe_lcmd {
344 	struct hinic_cmdq_header        header;
345 	struct hinic_status             status;
346 	struct hinic_ctrl               ctrl;
347 	struct hinic_cmdq_completion    completion;
348 	struct hinic_lcmd_bufdesc       buf_desc;
349 };
350 
351 struct hinic_cmdq_direct_wqe {
352 	struct hinic_cmdq_wqe_scmd      wqe_scmd;
353 };
354 
355 struct hinic_cmdq_wqe {
356 	/* HW Format */
357 	union {
358 		struct hinic_cmdq_direct_wqe    direct_wqe;
359 		struct hinic_cmdq_wqe_lcmd      wqe_lcmd;
360 	};
361 };
362 
363 struct hinic_sq_ctrl {
364 	u32     ctrl_info;
365 	u32     queue_info;
366 };
367 
368 struct hinic_sq_task {
369 	u32     pkt_info0;
370 	u32     pkt_info1;
371 	u32     pkt_info2;
372 	u32     ufo_v6_identify;
373 	u32     pkt_info4;
374 	u32     zero_pad;
375 };
376 
377 struct hinic_sq_bufdesc {
378 	struct hinic_sge sge;
379 	u32     rsvd;
380 };
381 
382 struct hinic_sq_wqe {
383 	struct hinic_sq_ctrl            ctrl;
384 	struct hinic_sq_task            task;
385 	struct hinic_sq_bufdesc         buf_descs[HINIC_MAX_SQ_BUFDESCS];
386 };
387 
388 struct hinic_rq_cqe {
389 	u32     status;
390 	u32     len;
391 
392 	u32     offload_type;
393 	u32     rsvd3;
394 	u32     rsvd4;
395 	u32     rsvd5;
396 	u32     rsvd6;
397 	u32     rsvd7;
398 };
399 
400 struct hinic_rq_ctrl {
401 	u32     ctrl_info;
402 };
403 
404 struct hinic_rq_cqe_sect {
405 	struct hinic_sge        sge;
406 	u32                     rsvd;
407 };
408 
409 struct hinic_rq_bufdesc {
410 	u32     hi_addr;
411 	u32     lo_addr;
412 };
413 
414 struct hinic_rq_wqe {
415 	struct hinic_rq_ctrl            ctrl;
416 	u32                             rsvd;
417 	struct hinic_rq_cqe_sect        cqe_sect;
418 	struct hinic_rq_bufdesc         buf_desc;
419 };
420 
421 struct hinic_hw_wqe {
422 	/* HW Format */
423 	union {
424 		struct hinic_cmdq_wqe   cmdq_wqe;
425 		struct hinic_sq_wqe     sq_wqe;
426 		struct hinic_rq_wqe     rq_wqe;
427 	};
428 };
429 
430 #endif
431