1 /* Broadcom NetXtreme-C/E network driver.
2  *
3  * Copyright (c) 2014-2016 Broadcom Corporation
4  * Copyright (c) 2016-2018 Broadcom Limited
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation.
9  */
10 
11 #ifndef BNXT_H
12 #define BNXT_H
13 
14 #define DRV_MODULE_NAME		"bnxt_en"
15 #define DRV_MODULE_VERSION	"1.10.0"
16 
17 #define DRV_VER_MAJ	1
18 #define DRV_VER_MIN	10
19 #define DRV_VER_UPD	0
20 
21 #include <linux/interrupt.h>
22 #include <linux/rhashtable.h>
23 #include <net/devlink.h>
24 #include <net/dst_metadata.h>
25 #include <net/switchdev.h>
26 #include <net/xdp.h>
27 #include <linux/net_dim.h>
28 
29 struct tx_bd {
30 	__le32 tx_bd_len_flags_type;
31 	#define TX_BD_TYPE					(0x3f << 0)
32 	 #define TX_BD_TYPE_SHORT_TX_BD				 (0x00 << 0)
33 	 #define TX_BD_TYPE_LONG_TX_BD				 (0x10 << 0)
34 	#define TX_BD_FLAGS_PACKET_END				(1 << 6)
35 	#define TX_BD_FLAGS_NO_CMPL				(1 << 7)
36 	#define TX_BD_FLAGS_BD_CNT				(0x1f << 8)
37 	 #define TX_BD_FLAGS_BD_CNT_SHIFT			 8
38 	#define TX_BD_FLAGS_LHINT				(3 << 13)
39 	 #define TX_BD_FLAGS_LHINT_SHIFT			 13
40 	 #define TX_BD_FLAGS_LHINT_512_AND_SMALLER		 (0 << 13)
41 	 #define TX_BD_FLAGS_LHINT_512_TO_1023			 (1 << 13)
42 	 #define TX_BD_FLAGS_LHINT_1024_TO_2047			 (2 << 13)
43 	 #define TX_BD_FLAGS_LHINT_2048_AND_LARGER		 (3 << 13)
44 	#define TX_BD_FLAGS_COAL_NOW				(1 << 15)
45 	#define TX_BD_LEN					(0xffff << 16)
46 	 #define TX_BD_LEN_SHIFT				 16
47 
48 	u32 tx_bd_opaque;
49 	__le64 tx_bd_haddr;
50 } __packed;
51 
52 struct tx_bd_ext {
53 	__le32 tx_bd_hsize_lflags;
54 	#define TX_BD_FLAGS_TCP_UDP_CHKSUM			(1 << 0)
55 	#define TX_BD_FLAGS_IP_CKSUM				(1 << 1)
56 	#define TX_BD_FLAGS_NO_CRC				(1 << 2)
57 	#define TX_BD_FLAGS_STAMP				(1 << 3)
58 	#define TX_BD_FLAGS_T_IP_CHKSUM				(1 << 4)
59 	#define TX_BD_FLAGS_LSO					(1 << 5)
60 	#define TX_BD_FLAGS_IPID_FMT				(1 << 6)
61 	#define TX_BD_FLAGS_T_IPID				(1 << 7)
62 	#define TX_BD_HSIZE					(0xff << 16)
63 	 #define TX_BD_HSIZE_SHIFT				 16
64 
65 	__le32 tx_bd_mss;
66 	__le32 tx_bd_cfa_action;
67 	#define TX_BD_CFA_ACTION				(0xffff << 16)
68 	 #define TX_BD_CFA_ACTION_SHIFT				 16
69 
70 	__le32 tx_bd_cfa_meta;
71 	#define TX_BD_CFA_META_MASK                             0xfffffff
72 	#define TX_BD_CFA_META_VID_MASK                         0xfff
73 	#define TX_BD_CFA_META_PRI_MASK                         (0xf << 12)
74 	 #define TX_BD_CFA_META_PRI_SHIFT                        12
75 	#define TX_BD_CFA_META_TPID_MASK                        (3 << 16)
76 	 #define TX_BD_CFA_META_TPID_SHIFT                       16
77 	#define TX_BD_CFA_META_KEY                              (0xf << 28)
78 	 #define TX_BD_CFA_META_KEY_SHIFT			 28
79 	#define TX_BD_CFA_META_KEY_VLAN                         (1 << 28)
80 };
81 
82 struct rx_bd {
83 	__le32 rx_bd_len_flags_type;
84 	#define RX_BD_TYPE					(0x3f << 0)
85 	 #define RX_BD_TYPE_RX_PACKET_BD			 0x4
86 	 #define RX_BD_TYPE_RX_BUFFER_BD			 0x5
87 	 #define RX_BD_TYPE_RX_AGG_BD				 0x6
88 	 #define RX_BD_TYPE_16B_BD_SIZE				 (0 << 4)
89 	 #define RX_BD_TYPE_32B_BD_SIZE				 (1 << 4)
90 	 #define RX_BD_TYPE_48B_BD_SIZE				 (2 << 4)
91 	 #define RX_BD_TYPE_64B_BD_SIZE				 (3 << 4)
92 	#define RX_BD_FLAGS_SOP					(1 << 6)
93 	#define RX_BD_FLAGS_EOP					(1 << 7)
94 	#define RX_BD_FLAGS_BUFFERS				(3 << 8)
95 	 #define RX_BD_FLAGS_1_BUFFER_PACKET			 (0 << 8)
96 	 #define RX_BD_FLAGS_2_BUFFER_PACKET			 (1 << 8)
97 	 #define RX_BD_FLAGS_3_BUFFER_PACKET			 (2 << 8)
98 	 #define RX_BD_FLAGS_4_BUFFER_PACKET			 (3 << 8)
99 	#define RX_BD_LEN					(0xffff << 16)
100 	 #define RX_BD_LEN_SHIFT				 16
101 
102 	u32 rx_bd_opaque;
103 	__le64 rx_bd_haddr;
104 };
105 
106 struct tx_cmp {
107 	__le32 tx_cmp_flags_type;
108 	#define CMP_TYPE					(0x3f << 0)
109 	 #define CMP_TYPE_TX_L2_CMP				 0
110 	 #define CMP_TYPE_RX_L2_CMP				 17
111 	 #define CMP_TYPE_RX_AGG_CMP				 18
112 	 #define CMP_TYPE_RX_L2_TPA_START_CMP			 19
113 	 #define CMP_TYPE_RX_L2_TPA_END_CMP			 21
114 	 #define CMP_TYPE_STATUS_CMP				 32
115 	 #define CMP_TYPE_REMOTE_DRIVER_REQ			 34
116 	 #define CMP_TYPE_REMOTE_DRIVER_RESP			 36
117 	 #define CMP_TYPE_ERROR_STATUS				 48
118 	 #define CMPL_BASE_TYPE_STAT_EJECT			 0x1aUL
119 	 #define CMPL_BASE_TYPE_HWRM_DONE			 0x20UL
120 	 #define CMPL_BASE_TYPE_HWRM_FWD_REQ			 0x22UL
121 	 #define CMPL_BASE_TYPE_HWRM_FWD_RESP			 0x24UL
122 	 #define CMPL_BASE_TYPE_HWRM_ASYNC_EVENT		 0x2eUL
123 
124 	#define TX_CMP_FLAGS_ERROR				(1 << 6)
125 	#define TX_CMP_FLAGS_PUSH				(1 << 7)
126 
127 	u32 tx_cmp_opaque;
128 	__le32 tx_cmp_errors_v;
129 	#define TX_CMP_V					(1 << 0)
130 	#define TX_CMP_ERRORS_BUFFER_ERROR			(7 << 1)
131 	 #define TX_CMP_ERRORS_BUFFER_ERROR_NO_ERROR		 0
132 	 #define TX_CMP_ERRORS_BUFFER_ERROR_BAD_FORMAT		 2
133 	 #define TX_CMP_ERRORS_BUFFER_ERROR_INVALID_STAG	 4
134 	 #define TX_CMP_ERRORS_BUFFER_ERROR_STAG_BOUNDS		 5
135 	 #define TX_CMP_ERRORS_ZERO_LENGTH_PKT			 (1 << 4)
136 	 #define TX_CMP_ERRORS_EXCESSIVE_BD_LEN			 (1 << 5)
137 	 #define TX_CMP_ERRORS_DMA_ERROR			 (1 << 6)
138 	 #define TX_CMP_ERRORS_HINT_TOO_SHORT			 (1 << 7)
139 
140 	__le32 tx_cmp_unsed_3;
141 };
142 
143 struct rx_cmp {
144 	__le32 rx_cmp_len_flags_type;
145 	#define RX_CMP_CMP_TYPE					(0x3f << 0)
146 	#define RX_CMP_FLAGS_ERROR				(1 << 6)
147 	#define RX_CMP_FLAGS_PLACEMENT				(7 << 7)
148 	#define RX_CMP_FLAGS_RSS_VALID				(1 << 10)
149 	#define RX_CMP_FLAGS_UNUSED				(1 << 11)
150 	 #define RX_CMP_FLAGS_ITYPES_SHIFT			 12
151 	 #define RX_CMP_FLAGS_ITYPE_UNKNOWN			 (0 << 12)
152 	 #define RX_CMP_FLAGS_ITYPE_IP				 (1 << 12)
153 	 #define RX_CMP_FLAGS_ITYPE_TCP				 (2 << 12)
154 	 #define RX_CMP_FLAGS_ITYPE_UDP				 (3 << 12)
155 	 #define RX_CMP_FLAGS_ITYPE_FCOE			 (4 << 12)
156 	 #define RX_CMP_FLAGS_ITYPE_ROCE			 (5 << 12)
157 	 #define RX_CMP_FLAGS_ITYPE_PTP_WO_TS			 (8 << 12)
158 	 #define RX_CMP_FLAGS_ITYPE_PTP_W_TS			 (9 << 12)
159 	#define RX_CMP_LEN					(0xffff << 16)
160 	 #define RX_CMP_LEN_SHIFT				 16
161 
162 	u32 rx_cmp_opaque;
163 	__le32 rx_cmp_misc_v1;
164 	#define RX_CMP_V1					(1 << 0)
165 	#define RX_CMP_AGG_BUFS					(0x1f << 1)
166 	 #define RX_CMP_AGG_BUFS_SHIFT				 1
167 	#define RX_CMP_RSS_HASH_TYPE				(0x7f << 9)
168 	 #define RX_CMP_RSS_HASH_TYPE_SHIFT			 9
169 	#define RX_CMP_PAYLOAD_OFFSET				(0xff << 16)
170 	 #define RX_CMP_PAYLOAD_OFFSET_SHIFT			 16
171 
172 	__le32 rx_cmp_rss_hash;
173 };
174 
175 #define RX_CMP_HASH_VALID(rxcmp)				\
176 	((rxcmp)->rx_cmp_len_flags_type & cpu_to_le32(RX_CMP_FLAGS_RSS_VALID))
177 
178 #define RSS_PROFILE_ID_MASK	0x1f
179 
180 #define RX_CMP_HASH_TYPE(rxcmp)					\
181 	(((le32_to_cpu((rxcmp)->rx_cmp_misc_v1) & RX_CMP_RSS_HASH_TYPE) >>\
182 	  RX_CMP_RSS_HASH_TYPE_SHIFT) & RSS_PROFILE_ID_MASK)
183 
184 struct rx_cmp_ext {
185 	__le32 rx_cmp_flags2;
186 	#define RX_CMP_FLAGS2_IP_CS_CALC			0x1
187 	#define RX_CMP_FLAGS2_L4_CS_CALC			(0x1 << 1)
188 	#define RX_CMP_FLAGS2_T_IP_CS_CALC			(0x1 << 2)
189 	#define RX_CMP_FLAGS2_T_L4_CS_CALC			(0x1 << 3)
190 	#define RX_CMP_FLAGS2_META_FORMAT_VLAN			(0x1 << 4)
191 	__le32 rx_cmp_meta_data;
192 	#define RX_CMP_FLAGS2_METADATA_TCI_MASK			0xffff
193 	#define RX_CMP_FLAGS2_METADATA_VID_MASK			0xfff
194 	#define RX_CMP_FLAGS2_METADATA_TPID_MASK		0xffff0000
195 	 #define RX_CMP_FLAGS2_METADATA_TPID_SFT		 16
196 	__le32 rx_cmp_cfa_code_errors_v2;
197 	#define RX_CMP_V					(1 << 0)
198 	#define RX_CMPL_ERRORS_MASK				(0x7fff << 1)
199 	 #define RX_CMPL_ERRORS_SFT				 1
200 	#define RX_CMPL_ERRORS_BUFFER_ERROR_MASK		(0x7 << 1)
201 	 #define RX_CMPL_ERRORS_BUFFER_ERROR_NO_BUFFER		 (0x0 << 1)
202 	 #define RX_CMPL_ERRORS_BUFFER_ERROR_DID_NOT_FIT	 (0x1 << 1)
203 	 #define RX_CMPL_ERRORS_BUFFER_ERROR_NOT_ON_CHIP	 (0x2 << 1)
204 	 #define RX_CMPL_ERRORS_BUFFER_ERROR_BAD_FORMAT		 (0x3 << 1)
205 	#define RX_CMPL_ERRORS_IP_CS_ERROR			(0x1 << 4)
206 	#define RX_CMPL_ERRORS_L4_CS_ERROR			(0x1 << 5)
207 	#define RX_CMPL_ERRORS_T_IP_CS_ERROR			(0x1 << 6)
208 	#define RX_CMPL_ERRORS_T_L4_CS_ERROR			(0x1 << 7)
209 	#define RX_CMPL_ERRORS_CRC_ERROR			(0x1 << 8)
210 	#define RX_CMPL_ERRORS_T_PKT_ERROR_MASK			(0x7 << 9)
211 	 #define RX_CMPL_ERRORS_T_PKT_ERROR_NO_ERROR		 (0x0 << 9)
212 	 #define RX_CMPL_ERRORS_T_PKT_ERROR_T_L3_BAD_VERSION	 (0x1 << 9)
213 	 #define RX_CMPL_ERRORS_T_PKT_ERROR_T_L3_BAD_HDR_LEN	 (0x2 << 9)
214 	 #define RX_CMPL_ERRORS_T_PKT_ERROR_TUNNEL_TOTAL_ERROR	 (0x3 << 9)
215 	 #define RX_CMPL_ERRORS_T_PKT_ERROR_T_IP_TOTAL_ERROR	 (0x4 << 9)
216 	 #define RX_CMPL_ERRORS_T_PKT_ERROR_T_UDP_TOTAL_ERROR	 (0x5 << 9)
217 	 #define RX_CMPL_ERRORS_T_PKT_ERROR_T_L3_BAD_TTL	 (0x6 << 9)
218 	#define RX_CMPL_ERRORS_PKT_ERROR_MASK			(0xf << 12)
219 	 #define RX_CMPL_ERRORS_PKT_ERROR_NO_ERROR		 (0x0 << 12)
220 	 #define RX_CMPL_ERRORS_PKT_ERROR_L3_BAD_VERSION	 (0x1 << 12)
221 	 #define RX_CMPL_ERRORS_PKT_ERROR_L3_BAD_HDR_LEN	 (0x2 << 12)
222 	 #define RX_CMPL_ERRORS_PKT_ERROR_L3_BAD_TTL		 (0x3 << 12)
223 	 #define RX_CMPL_ERRORS_PKT_ERROR_IP_TOTAL_ERROR	 (0x4 << 12)
224 	 #define RX_CMPL_ERRORS_PKT_ERROR_UDP_TOTAL_ERROR	 (0x5 << 12)
225 	 #define RX_CMPL_ERRORS_PKT_ERROR_L4_BAD_HDR_LEN	 (0x6 << 12)
226 	 #define RX_CMPL_ERRORS_PKT_ERROR_L4_BAD_HDR_LEN_TOO_SMALL (0x7 << 12)
227 	 #define RX_CMPL_ERRORS_PKT_ERROR_L4_BAD_OPT_LEN	 (0x8 << 12)
228 
229 	#define RX_CMPL_CFA_CODE_MASK				(0xffff << 16)
230 	 #define RX_CMPL_CFA_CODE_SFT				 16
231 
232 	__le32 rx_cmp_unused3;
233 };
234 
235 #define RX_CMP_L2_ERRORS						\
236 	cpu_to_le32(RX_CMPL_ERRORS_BUFFER_ERROR_MASK | RX_CMPL_ERRORS_CRC_ERROR)
237 
238 #define RX_CMP_L4_CS_BITS						\
239 	(cpu_to_le32(RX_CMP_FLAGS2_L4_CS_CALC | RX_CMP_FLAGS2_T_L4_CS_CALC))
240 
241 #define RX_CMP_L4_CS_ERR_BITS						\
242 	(cpu_to_le32(RX_CMPL_ERRORS_L4_CS_ERROR | RX_CMPL_ERRORS_T_L4_CS_ERROR))
243 
244 #define RX_CMP_L4_CS_OK(rxcmp1)						\
245 	    (((rxcmp1)->rx_cmp_flags2 &	RX_CMP_L4_CS_BITS) &&		\
246 	     !((rxcmp1)->rx_cmp_cfa_code_errors_v2 & RX_CMP_L4_CS_ERR_BITS))
247 
248 #define RX_CMP_ENCAP(rxcmp1)						\
249 	    ((le32_to_cpu((rxcmp1)->rx_cmp_flags2) &			\
250 	     RX_CMP_FLAGS2_T_L4_CS_CALC) >> 3)
251 
252 #define RX_CMP_CFA_CODE(rxcmpl1)					\
253 	((le32_to_cpu((rxcmpl1)->rx_cmp_cfa_code_errors_v2) &		\
254 	  RX_CMPL_CFA_CODE_MASK) >> RX_CMPL_CFA_CODE_SFT)
255 
256 struct rx_agg_cmp {
257 	__le32 rx_agg_cmp_len_flags_type;
258 	#define RX_AGG_CMP_TYPE					(0x3f << 0)
259 	#define RX_AGG_CMP_LEN					(0xffff << 16)
260 	 #define RX_AGG_CMP_LEN_SHIFT				 16
261 	u32 rx_agg_cmp_opaque;
262 	__le32 rx_agg_cmp_v;
263 	#define RX_AGG_CMP_V					(1 << 0)
264 	__le32 rx_agg_cmp_unused;
265 };
266 
267 struct rx_tpa_start_cmp {
268 	__le32 rx_tpa_start_cmp_len_flags_type;
269 	#define RX_TPA_START_CMP_TYPE				(0x3f << 0)
270 	#define RX_TPA_START_CMP_FLAGS				(0x3ff << 6)
271 	 #define RX_TPA_START_CMP_FLAGS_SHIFT			 6
272 	#define RX_TPA_START_CMP_FLAGS_PLACEMENT		(0x7 << 7)
273 	 #define RX_TPA_START_CMP_FLAGS_PLACEMENT_SHIFT		 7
274 	 #define RX_TPA_START_CMP_FLAGS_PLACEMENT_JUMBO		 (0x1 << 7)
275 	 #define RX_TPA_START_CMP_FLAGS_PLACEMENT_HDS		 (0x2 << 7)
276 	 #define RX_TPA_START_CMP_FLAGS_PLACEMENT_GRO_JUMBO	 (0x5 << 7)
277 	 #define RX_TPA_START_CMP_FLAGS_PLACEMENT_GRO_HDS	 (0x6 << 7)
278 	#define RX_TPA_START_CMP_FLAGS_RSS_VALID		(0x1 << 10)
279 	#define RX_TPA_START_CMP_FLAGS_ITYPES			(0xf << 12)
280 	 #define RX_TPA_START_CMP_FLAGS_ITYPES_SHIFT		 12
281 	 #define RX_TPA_START_CMP_FLAGS_ITYPE_TCP		 (0x2 << 12)
282 	#define RX_TPA_START_CMP_LEN				(0xffff << 16)
283 	 #define RX_TPA_START_CMP_LEN_SHIFT			 16
284 
285 	u32 rx_tpa_start_cmp_opaque;
286 	__le32 rx_tpa_start_cmp_misc_v1;
287 	#define RX_TPA_START_CMP_V1				(0x1 << 0)
288 	#define RX_TPA_START_CMP_RSS_HASH_TYPE			(0x7f << 9)
289 	 #define RX_TPA_START_CMP_RSS_HASH_TYPE_SHIFT		 9
290 	#define RX_TPA_START_CMP_AGG_ID				(0x7f << 25)
291 	 #define RX_TPA_START_CMP_AGG_ID_SHIFT			 25
292 
293 	__le32 rx_tpa_start_cmp_rss_hash;
294 };
295 
296 #define TPA_START_HASH_VALID(rx_tpa_start)				\
297 	((rx_tpa_start)->rx_tpa_start_cmp_len_flags_type &		\
298 	 cpu_to_le32(RX_TPA_START_CMP_FLAGS_RSS_VALID))
299 
300 #define TPA_START_HASH_TYPE(rx_tpa_start)				\
301 	(((le32_to_cpu((rx_tpa_start)->rx_tpa_start_cmp_misc_v1) &	\
302 	   RX_TPA_START_CMP_RSS_HASH_TYPE) >>				\
303 	  RX_TPA_START_CMP_RSS_HASH_TYPE_SHIFT) & RSS_PROFILE_ID_MASK)
304 
305 #define TPA_START_AGG_ID(rx_tpa_start)					\
306 	((le32_to_cpu((rx_tpa_start)->rx_tpa_start_cmp_misc_v1) &	\
307 	 RX_TPA_START_CMP_AGG_ID) >> RX_TPA_START_CMP_AGG_ID_SHIFT)
308 
309 struct rx_tpa_start_cmp_ext {
310 	__le32 rx_tpa_start_cmp_flags2;
311 	#define RX_TPA_START_CMP_FLAGS2_IP_CS_CALC		(0x1 << 0)
312 	#define RX_TPA_START_CMP_FLAGS2_L4_CS_CALC		(0x1 << 1)
313 	#define RX_TPA_START_CMP_FLAGS2_T_IP_CS_CALC		(0x1 << 2)
314 	#define RX_TPA_START_CMP_FLAGS2_T_L4_CS_CALC		(0x1 << 3)
315 	#define RX_TPA_START_CMP_FLAGS2_IP_TYPE			(0x1 << 8)
316 
317 	__le32 rx_tpa_start_cmp_metadata;
318 	__le32 rx_tpa_start_cmp_cfa_code_v2;
319 	#define RX_TPA_START_CMP_V2				(0x1 << 0)
320 	#define RX_TPA_START_CMP_CFA_CODE			(0xffff << 16)
321 	 #define RX_TPA_START_CMPL_CFA_CODE_SHIFT		 16
322 	__le32 rx_tpa_start_cmp_hdr_info;
323 };
324 
325 #define TPA_START_CFA_CODE(rx_tpa_start)				\
326 	((le32_to_cpu((rx_tpa_start)->rx_tpa_start_cmp_cfa_code_v2) &	\
327 	 RX_TPA_START_CMP_CFA_CODE) >> RX_TPA_START_CMPL_CFA_CODE_SHIFT)
328 
329 #define TPA_START_IS_IPV6(rx_tpa_start)				\
330 	(!!((rx_tpa_start)->rx_tpa_start_cmp_flags2 &		\
331 	    cpu_to_le32(RX_TPA_START_CMP_FLAGS2_IP_TYPE)))
332 
333 struct rx_tpa_end_cmp {
334 	__le32 rx_tpa_end_cmp_len_flags_type;
335 	#define RX_TPA_END_CMP_TYPE				(0x3f << 0)
336 	#define RX_TPA_END_CMP_FLAGS				(0x3ff << 6)
337 	 #define RX_TPA_END_CMP_FLAGS_SHIFT			 6
338 	#define RX_TPA_END_CMP_FLAGS_PLACEMENT			(0x7 << 7)
339 	 #define RX_TPA_END_CMP_FLAGS_PLACEMENT_SHIFT		 7
340 	 #define RX_TPA_END_CMP_FLAGS_PLACEMENT_JUMBO		 (0x1 << 7)
341 	 #define RX_TPA_END_CMP_FLAGS_PLACEMENT_HDS		 (0x2 << 7)
342 	 #define RX_TPA_END_CMP_FLAGS_PLACEMENT_GRO_JUMBO	 (0x5 << 7)
343 	 #define RX_TPA_END_CMP_FLAGS_PLACEMENT_GRO_HDS		 (0x6 << 7)
344 	#define RX_TPA_END_CMP_FLAGS_RSS_VALID			(0x1 << 10)
345 	#define RX_TPA_END_CMP_FLAGS_ITYPES			(0xf << 12)
346 	 #define RX_TPA_END_CMP_FLAGS_ITYPES_SHIFT		 12
347 	 #define RX_TPA_END_CMP_FLAGS_ITYPE_TCP			 (0x2 << 12)
348 	#define RX_TPA_END_CMP_LEN				(0xffff << 16)
349 	 #define RX_TPA_END_CMP_LEN_SHIFT			 16
350 
351 	u32 rx_tpa_end_cmp_opaque;
352 	__le32 rx_tpa_end_cmp_misc_v1;
353 	#define RX_TPA_END_CMP_V1				(0x1 << 0)
354 	#define RX_TPA_END_CMP_AGG_BUFS				(0x3f << 1)
355 	 #define RX_TPA_END_CMP_AGG_BUFS_SHIFT			 1
356 	#define RX_TPA_END_CMP_TPA_SEGS				(0xff << 8)
357 	 #define RX_TPA_END_CMP_TPA_SEGS_SHIFT			 8
358 	#define RX_TPA_END_CMP_PAYLOAD_OFFSET			(0xff << 16)
359 	 #define RX_TPA_END_CMP_PAYLOAD_OFFSET_SHIFT		 16
360 	#define RX_TPA_END_CMP_AGG_ID				(0x7f << 25)
361 	 #define RX_TPA_END_CMP_AGG_ID_SHIFT			 25
362 
363 	__le32 rx_tpa_end_cmp_tsdelta;
364 	#define RX_TPA_END_GRO_TS				(0x1 << 31)
365 };
366 
367 #define TPA_END_AGG_ID(rx_tpa_end)					\
368 	((le32_to_cpu((rx_tpa_end)->rx_tpa_end_cmp_misc_v1) &		\
369 	 RX_TPA_END_CMP_AGG_ID) >> RX_TPA_END_CMP_AGG_ID_SHIFT)
370 
371 #define TPA_END_TPA_SEGS(rx_tpa_end)					\
372 	((le32_to_cpu((rx_tpa_end)->rx_tpa_end_cmp_misc_v1) &		\
373 	 RX_TPA_END_CMP_TPA_SEGS) >> RX_TPA_END_CMP_TPA_SEGS_SHIFT)
374 
375 #define RX_TPA_END_CMP_FLAGS_PLACEMENT_ANY_GRO				\
376 	cpu_to_le32(RX_TPA_END_CMP_FLAGS_PLACEMENT_GRO_JUMBO &		\
377 		    RX_TPA_END_CMP_FLAGS_PLACEMENT_GRO_HDS)
378 
379 #define TPA_END_GRO(rx_tpa_end)						\
380 	((rx_tpa_end)->rx_tpa_end_cmp_len_flags_type &			\
381 	 RX_TPA_END_CMP_FLAGS_PLACEMENT_ANY_GRO)
382 
383 #define TPA_END_GRO_TS(rx_tpa_end)					\
384 	(!!((rx_tpa_end)->rx_tpa_end_cmp_tsdelta &			\
385 	    cpu_to_le32(RX_TPA_END_GRO_TS)))
386 
387 struct rx_tpa_end_cmp_ext {
388 	__le32 rx_tpa_end_cmp_dup_acks;
389 	#define RX_TPA_END_CMP_TPA_DUP_ACKS			(0xf << 0)
390 
391 	__le32 rx_tpa_end_cmp_seg_len;
392 	#define RX_TPA_END_CMP_TPA_SEG_LEN			(0xffff << 0)
393 
394 	__le32 rx_tpa_end_cmp_errors_v2;
395 	#define RX_TPA_END_CMP_V2				(0x1 << 0)
396 	#define RX_TPA_END_CMP_ERRORS				(0x3 << 1)
397 	#define RX_TPA_END_CMPL_ERRORS_SHIFT			 1
398 
399 	u32 rx_tpa_end_cmp_start_opaque;
400 };
401 
402 #define TPA_END_ERRORS(rx_tpa_end_ext)					\
403 	((rx_tpa_end_ext)->rx_tpa_end_cmp_errors_v2 &			\
404 	 cpu_to_le32(RX_TPA_END_CMP_ERRORS))
405 
406 struct nqe_cn {
407 	__le16	type;
408 	#define NQ_CN_TYPE_MASK           0x3fUL
409 	#define NQ_CN_TYPE_SFT            0
410 	#define NQ_CN_TYPE_CQ_NOTIFICATION  0x30UL
411 	#define NQ_CN_TYPE_LAST            NQ_CN_TYPE_CQ_NOTIFICATION
412 	__le16	reserved16;
413 	__le32	cq_handle_low;
414 	__le32	v;
415 	#define NQ_CN_V     0x1UL
416 	__le32	cq_handle_high;
417 };
418 
419 #define DB_IDX_MASK						0xffffff
420 #define DB_IDX_VALID						(0x1 << 26)
421 #define DB_IRQ_DIS						(0x1 << 27)
422 #define DB_KEY_TX						(0x0 << 28)
423 #define DB_KEY_RX						(0x1 << 28)
424 #define DB_KEY_CP						(0x2 << 28)
425 #define DB_KEY_ST						(0x3 << 28)
426 #define DB_KEY_TX_PUSH						(0x4 << 28)
427 #define DB_LONG_TX_PUSH						(0x2 << 24)
428 
429 #define BNXT_MIN_ROCE_CP_RINGS	2
430 #define BNXT_MIN_ROCE_STAT_CTXS	1
431 
432 /* 64-bit doorbell */
433 #define DBR_INDEX_MASK					0x0000000000ffffffULL
434 #define DBR_XID_MASK					0x000fffff00000000ULL
435 #define DBR_XID_SFT					32
436 #define DBR_PATH_L2					(0x1ULL << 56)
437 #define DBR_TYPE_SQ					(0x0ULL << 60)
438 #define DBR_TYPE_RQ					(0x1ULL << 60)
439 #define DBR_TYPE_SRQ					(0x2ULL << 60)
440 #define DBR_TYPE_SRQ_ARM				(0x3ULL << 60)
441 #define DBR_TYPE_CQ					(0x4ULL << 60)
442 #define DBR_TYPE_CQ_ARMSE				(0x5ULL << 60)
443 #define DBR_TYPE_CQ_ARMALL				(0x6ULL << 60)
444 #define DBR_TYPE_CQ_ARMENA				(0x7ULL << 60)
445 #define DBR_TYPE_SRQ_ARMENA				(0x8ULL << 60)
446 #define DBR_TYPE_CQ_CUTOFF_ACK				(0x9ULL << 60)
447 #define DBR_TYPE_NQ					(0xaULL << 60)
448 #define DBR_TYPE_NQ_ARM					(0xbULL << 60)
449 #define DBR_TYPE_NULL					(0xfULL << 60)
450 
451 #define INVALID_HW_RING_ID	((u16)-1)
452 
453 /* The hardware supports certain page sizes.  Use the supported page sizes
454  * to allocate the rings.
455  */
456 #if (PAGE_SHIFT < 12)
457 #define BNXT_PAGE_SHIFT	12
458 #elif (PAGE_SHIFT <= 13)
459 #define BNXT_PAGE_SHIFT	PAGE_SHIFT
460 #elif (PAGE_SHIFT < 16)
461 #define BNXT_PAGE_SHIFT	13
462 #else
463 #define BNXT_PAGE_SHIFT	16
464 #endif
465 
466 #define BNXT_PAGE_SIZE	(1 << BNXT_PAGE_SHIFT)
467 
468 /* The RXBD length is 16-bit so we can only support page sizes < 64K */
469 #if (PAGE_SHIFT > 15)
470 #define BNXT_RX_PAGE_SHIFT 15
471 #else
472 #define BNXT_RX_PAGE_SHIFT PAGE_SHIFT
473 #endif
474 
475 #define BNXT_RX_PAGE_SIZE (1 << BNXT_RX_PAGE_SHIFT)
476 
477 #define BNXT_MAX_MTU		9500
478 #define BNXT_MAX_PAGE_MODE_MTU	\
479 	((unsigned int)PAGE_SIZE - VLAN_ETH_HLEN - NET_IP_ALIGN -	\
480 	 XDP_PACKET_HEADROOM)
481 
482 #define BNXT_MIN_PKT_SIZE	52
483 
484 #define BNXT_DEFAULT_RX_RING_SIZE	511
485 #define BNXT_DEFAULT_TX_RING_SIZE	511
486 
487 #define MAX_TPA		64
488 
489 #if (BNXT_PAGE_SHIFT == 16)
490 #define MAX_RX_PAGES	1
491 #define MAX_RX_AGG_PAGES	4
492 #define MAX_TX_PAGES	1
493 #define MAX_CP_PAGES	8
494 #else
495 #define MAX_RX_PAGES	8
496 #define MAX_RX_AGG_PAGES	32
497 #define MAX_TX_PAGES	8
498 #define MAX_CP_PAGES	64
499 #endif
500 
501 #define RX_DESC_CNT (BNXT_PAGE_SIZE / sizeof(struct rx_bd))
502 #define TX_DESC_CNT (BNXT_PAGE_SIZE / sizeof(struct tx_bd))
503 #define CP_DESC_CNT (BNXT_PAGE_SIZE / sizeof(struct tx_cmp))
504 
505 #define SW_RXBD_RING_SIZE (sizeof(struct bnxt_sw_rx_bd) * RX_DESC_CNT)
506 #define HW_RXBD_RING_SIZE (sizeof(struct rx_bd) * RX_DESC_CNT)
507 
508 #define SW_RXBD_AGG_RING_SIZE (sizeof(struct bnxt_sw_rx_agg_bd) * RX_DESC_CNT)
509 
510 #define SW_TXBD_RING_SIZE (sizeof(struct bnxt_sw_tx_bd) * TX_DESC_CNT)
511 #define HW_TXBD_RING_SIZE (sizeof(struct tx_bd) * TX_DESC_CNT)
512 
513 #define HW_CMPD_RING_SIZE (sizeof(struct tx_cmp) * CP_DESC_CNT)
514 
515 #define BNXT_MAX_RX_DESC_CNT		(RX_DESC_CNT * MAX_RX_PAGES - 1)
516 #define BNXT_MAX_RX_JUM_DESC_CNT	(RX_DESC_CNT * MAX_RX_AGG_PAGES - 1)
517 #define BNXT_MAX_TX_DESC_CNT		(TX_DESC_CNT * MAX_TX_PAGES - 1)
518 
519 #define RX_RING(x)	(((x) & ~(RX_DESC_CNT - 1)) >> (BNXT_PAGE_SHIFT - 4))
520 #define RX_IDX(x)	((x) & (RX_DESC_CNT - 1))
521 
522 #define TX_RING(x)	(((x) & ~(TX_DESC_CNT - 1)) >> (BNXT_PAGE_SHIFT - 4))
523 #define TX_IDX(x)	((x) & (TX_DESC_CNT - 1))
524 
525 #define CP_RING(x)	(((x) & ~(CP_DESC_CNT - 1)) >> (BNXT_PAGE_SHIFT - 4))
526 #define CP_IDX(x)	((x) & (CP_DESC_CNT - 1))
527 
528 #define TX_CMP_VALID(txcmp, raw_cons)					\
529 	(!!((txcmp)->tx_cmp_errors_v & cpu_to_le32(TX_CMP_V)) ==	\
530 	 !((raw_cons) & bp->cp_bit))
531 
532 #define RX_CMP_VALID(rxcmp1, raw_cons)					\
533 	(!!((rxcmp1)->rx_cmp_cfa_code_errors_v2 & cpu_to_le32(RX_CMP_V)) ==\
534 	 !((raw_cons) & bp->cp_bit))
535 
536 #define RX_AGG_CMP_VALID(agg, raw_cons)				\
537 	(!!((agg)->rx_agg_cmp_v & cpu_to_le32(RX_AGG_CMP_V)) ==	\
538 	 !((raw_cons) & bp->cp_bit))
539 
540 #define NQ_CMP_VALID(nqcmp, raw_cons)				\
541 	(!!((nqcmp)->v & cpu_to_le32(NQ_CN_V)) == !((raw_cons) & bp->cp_bit))
542 
543 #define TX_CMP_TYPE(txcmp)					\
544 	(le32_to_cpu((txcmp)->tx_cmp_flags_type) & CMP_TYPE)
545 
546 #define RX_CMP_TYPE(rxcmp)					\
547 	(le32_to_cpu((rxcmp)->rx_cmp_len_flags_type) & RX_CMP_CMP_TYPE)
548 
549 #define NEXT_RX(idx)		(((idx) + 1) & bp->rx_ring_mask)
550 
551 #define NEXT_RX_AGG(idx)	(((idx) + 1) & bp->rx_agg_ring_mask)
552 
553 #define NEXT_TX(idx)		(((idx) + 1) & bp->tx_ring_mask)
554 
555 #define ADV_RAW_CMP(idx, n)	((idx) + (n))
556 #define NEXT_RAW_CMP(idx)	ADV_RAW_CMP(idx, 1)
557 #define RING_CMP(idx)		((idx) & bp->cp_ring_mask)
558 #define NEXT_CMP(idx)		RING_CMP(ADV_RAW_CMP(idx, 1))
559 
560 #define BNXT_HWRM_MAX_REQ_LEN		(bp->hwrm_max_req_len)
561 #define BNXT_HWRM_SHORT_REQ_LEN		sizeof(struct hwrm_short_input)
562 #define DFLT_HWRM_CMD_TIMEOUT		500
563 #define HWRM_CMD_TIMEOUT		(bp->hwrm_cmd_timeout)
564 #define HWRM_RESET_TIMEOUT		((HWRM_CMD_TIMEOUT) * 4)
565 #define HWRM_RESP_ERR_CODE_MASK		0xffff
566 #define HWRM_RESP_LEN_OFFSET		4
567 #define HWRM_RESP_LEN_MASK		0xffff0000
568 #define HWRM_RESP_LEN_SFT		16
569 #define HWRM_RESP_VALID_MASK		0xff000000
570 #define HWRM_SEQ_ID_INVALID		-1
571 #define BNXT_HWRM_REQ_MAX_SIZE		128
572 #define BNXT_HWRM_REQS_PER_PAGE		(BNXT_PAGE_SIZE /	\
573 					 BNXT_HWRM_REQ_MAX_SIZE)
574 #define HWRM_SHORT_MIN_TIMEOUT		3
575 #define HWRM_SHORT_MAX_TIMEOUT		10
576 #define HWRM_SHORT_TIMEOUT_COUNTER	5
577 
578 #define HWRM_MIN_TIMEOUT		25
579 #define HWRM_MAX_TIMEOUT		40
580 
581 #define HWRM_TOTAL_TIMEOUT(n)	(((n) <= HWRM_SHORT_TIMEOUT_COUNTER) ?	\
582 	((n) * HWRM_SHORT_MIN_TIMEOUT) :				\
583 	(HWRM_SHORT_TIMEOUT_COUNTER * HWRM_SHORT_MIN_TIMEOUT +		\
584 	 ((n) - HWRM_SHORT_TIMEOUT_COUNTER) * HWRM_MIN_TIMEOUT))
585 
586 #define HWRM_VALID_BIT_DELAY_USEC	20
587 
588 #define BNXT_RX_EVENT	1
589 #define BNXT_AGG_EVENT	2
590 #define BNXT_TX_EVENT	4
591 
592 struct bnxt_sw_tx_bd {
593 	struct sk_buff		*skb;
594 	DEFINE_DMA_UNMAP_ADDR(mapping);
595 	u8			is_gso;
596 	u8			is_push;
597 	union {
598 		unsigned short		nr_frags;
599 		u16			rx_prod;
600 	};
601 };
602 
603 struct bnxt_sw_rx_bd {
604 	void			*data;
605 	u8			*data_ptr;
606 	dma_addr_t		mapping;
607 };
608 
609 struct bnxt_sw_rx_agg_bd {
610 	struct page		*page;
611 	unsigned int		offset;
612 	dma_addr_t		mapping;
613 };
614 
615 struct bnxt_ring_mem_info {
616 	int			nr_pages;
617 	int			page_size;
618 	u32			flags;
619 #define BNXT_RMEM_VALID_PTE_FLAG	1
620 #define BNXT_RMEM_RING_PTE_FLAG		2
621 
622 	void			**pg_arr;
623 	dma_addr_t		*dma_arr;
624 
625 	__le64			*pg_tbl;
626 	dma_addr_t		pg_tbl_map;
627 
628 	int			vmem_size;
629 	void			**vmem;
630 };
631 
632 struct bnxt_ring_struct {
633 	struct bnxt_ring_mem_info	ring_mem;
634 
635 	u16			fw_ring_id; /* Ring id filled by Chimp FW */
636 	union {
637 		u16		grp_idx;
638 		u16		map_idx; /* Used by cmpl rings */
639 	};
640 	u32			handle;
641 	u8			queue_id;
642 };
643 
644 struct tx_push_bd {
645 	__le32			doorbell;
646 	__le32			tx_bd_len_flags_type;
647 	u32			tx_bd_opaque;
648 	struct tx_bd_ext	txbd2;
649 };
650 
651 struct tx_push_buffer {
652 	struct tx_push_bd	push_bd;
653 	u32			data[25];
654 };
655 
656 struct bnxt_db_info {
657 	void __iomem		*doorbell;
658 	union {
659 		u64		db_key64;
660 		u32		db_key32;
661 	};
662 };
663 
664 struct bnxt_tx_ring_info {
665 	struct bnxt_napi	*bnapi;
666 	u16			tx_prod;
667 	u16			tx_cons;
668 	u16			txq_index;
669 	struct bnxt_db_info	tx_db;
670 
671 	struct tx_bd		*tx_desc_ring[MAX_TX_PAGES];
672 	struct bnxt_sw_tx_bd	*tx_buf_ring;
673 
674 	dma_addr_t		tx_desc_mapping[MAX_TX_PAGES];
675 
676 	struct tx_push_buffer	*tx_push;
677 	dma_addr_t		tx_push_mapping;
678 	__le64			data_mapping;
679 
680 #define BNXT_DEV_STATE_CLOSING	0x1
681 	u32			dev_state;
682 
683 	struct bnxt_ring_struct	tx_ring_struct;
684 };
685 
686 #define BNXT_LEGACY_COAL_CMPL_PARAMS					\
687 	(RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_INT_LAT_TMR_MIN |		\
688 	 RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_INT_LAT_TMR_MAX |		\
689 	 RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_TIMER_RESET |		\
690 	 RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_RING_IDLE |			\
691 	 RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_NUM_CMPL_DMA_AGGR |		\
692 	 RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_NUM_CMPL_DMA_AGGR_DURING_INT | \
693 	 RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_CMPL_AGGR_DMA_TMR |		\
694 	 RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_CMPL_AGGR_DMA_TMR_DURING_INT | \
695 	 RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_NUM_CMPL_AGGR_INT)
696 
697 #define BNXT_COAL_CMPL_ENABLES						\
698 	(RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_ENABLES_NUM_CMPL_DMA_AGGR | \
699 	 RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_ENABLES_CMPL_AGGR_DMA_TMR | \
700 	 RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_ENABLES_INT_LAT_TMR_MAX | \
701 	 RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_ENABLES_NUM_CMPL_AGGR_INT)
702 
703 #define BNXT_COAL_CMPL_MIN_TMR_ENABLE					\
704 	RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_ENABLES_INT_LAT_TMR_MIN
705 
706 #define BNXT_COAL_CMPL_AGGR_TMR_DURING_INT_ENABLE			\
707 	RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_ENABLES_NUM_CMPL_DMA_AGGR_DURING_INT
708 
709 struct bnxt_coal_cap {
710 	u32			cmpl_params;
711 	u32			nq_params;
712 	u16			num_cmpl_dma_aggr_max;
713 	u16			num_cmpl_dma_aggr_during_int_max;
714 	u16			cmpl_aggr_dma_tmr_max;
715 	u16			cmpl_aggr_dma_tmr_during_int_max;
716 	u16			int_lat_tmr_min_max;
717 	u16			int_lat_tmr_max_max;
718 	u16			num_cmpl_aggr_int_max;
719 	u16			timer_units;
720 };
721 
722 struct bnxt_coal {
723 	u16			coal_ticks;
724 	u16			coal_ticks_irq;
725 	u16			coal_bufs;
726 	u16			coal_bufs_irq;
727 			/* RING_IDLE enabled when coal ticks < idle_thresh  */
728 	u16			idle_thresh;
729 	u8			bufs_per_record;
730 	u8			budget;
731 };
732 
733 struct bnxt_tpa_info {
734 	void			*data;
735 	u8			*data_ptr;
736 	dma_addr_t		mapping;
737 	u16			len;
738 	unsigned short		gso_type;
739 	u32			flags2;
740 	u32			metadata;
741 	enum pkt_hash_types	hash_type;
742 	u32			rss_hash;
743 	u32			hdr_info;
744 
745 #define BNXT_TPA_L4_SIZE(hdr_info)	\
746 	(((hdr_info) & 0xf8000000) ? ((hdr_info) >> 27) : 32)
747 
748 #define BNXT_TPA_INNER_L3_OFF(hdr_info)	\
749 	(((hdr_info) >> 18) & 0x1ff)
750 
751 #define BNXT_TPA_INNER_L2_OFF(hdr_info)	\
752 	(((hdr_info) >> 9) & 0x1ff)
753 
754 #define BNXT_TPA_OUTER_L3_OFF(hdr_info)	\
755 	((hdr_info) & 0x1ff)
756 
757 	u16			cfa_code; /* cfa_code in TPA start compl */
758 };
759 
760 struct bnxt_rx_ring_info {
761 	struct bnxt_napi	*bnapi;
762 	u16			rx_prod;
763 	u16			rx_agg_prod;
764 	u16			rx_sw_agg_prod;
765 	u16			rx_next_cons;
766 	struct bnxt_db_info	rx_db;
767 	struct bnxt_db_info	rx_agg_db;
768 
769 	struct bpf_prog		*xdp_prog;
770 
771 	struct rx_bd		*rx_desc_ring[MAX_RX_PAGES];
772 	struct bnxt_sw_rx_bd	*rx_buf_ring;
773 
774 	struct rx_bd		*rx_agg_desc_ring[MAX_RX_AGG_PAGES];
775 	struct bnxt_sw_rx_agg_bd	*rx_agg_ring;
776 
777 	unsigned long		*rx_agg_bmap;
778 	u16			rx_agg_bmap_size;
779 
780 	struct page		*rx_page;
781 	unsigned int		rx_page_offset;
782 
783 	dma_addr_t		rx_desc_mapping[MAX_RX_PAGES];
784 	dma_addr_t		rx_agg_desc_mapping[MAX_RX_AGG_PAGES];
785 
786 	struct bnxt_tpa_info	*rx_tpa;
787 
788 	struct bnxt_ring_struct	rx_ring_struct;
789 	struct bnxt_ring_struct	rx_agg_ring_struct;
790 	struct xdp_rxq_info	xdp_rxq;
791 };
792 
793 struct bnxt_cp_ring_info {
794 	struct bnxt_napi	*bnapi;
795 	u32			cp_raw_cons;
796 	struct bnxt_db_info	cp_db;
797 
798 	u8			had_work_done:1;
799 	u8			has_more_work:1;
800 
801 	struct bnxt_coal	rx_ring_coal;
802 	u64			rx_packets;
803 	u64			rx_bytes;
804 	u64			event_ctr;
805 
806 	struct net_dim		dim;
807 
808 	union {
809 		struct tx_cmp	*cp_desc_ring[MAX_CP_PAGES];
810 		struct nqe_cn	*nq_desc_ring[MAX_CP_PAGES];
811 	};
812 
813 	dma_addr_t		cp_desc_mapping[MAX_CP_PAGES];
814 
815 	struct ctx_hw_stats	*hw_stats;
816 	dma_addr_t		hw_stats_map;
817 	u32			hw_stats_ctx_id;
818 	u64			rx_l4_csum_errors;
819 
820 	struct bnxt_ring_struct	cp_ring_struct;
821 
822 	struct bnxt_cp_ring_info *cp_ring_arr[2];
823 #define BNXT_RX_HDL	0
824 #define BNXT_TX_HDL	1
825 };
826 
827 struct bnxt_napi {
828 	struct napi_struct	napi;
829 	struct bnxt		*bp;
830 
831 	int			index;
832 	struct bnxt_cp_ring_info	cp_ring;
833 	struct bnxt_rx_ring_info	*rx_ring;
834 	struct bnxt_tx_ring_info	*tx_ring;
835 
836 	void			(*tx_int)(struct bnxt *, struct bnxt_napi *,
837 					  int);
838 	int			tx_pkts;
839 	u8			events;
840 
841 	u32			flags;
842 #define BNXT_NAPI_FLAG_XDP	0x1
843 
844 	bool			in_reset;
845 };
846 
847 struct bnxt_irq {
848 	irq_handler_t	handler;
849 	unsigned int	vector;
850 	u8		requested:1;
851 	u8		have_cpumask:1;
852 	char		name[IFNAMSIZ + 2];
853 	cpumask_var_t	cpu_mask;
854 };
855 
856 #define HWRM_RING_ALLOC_TX	0x1
857 #define HWRM_RING_ALLOC_RX	0x2
858 #define HWRM_RING_ALLOC_AGG	0x4
859 #define HWRM_RING_ALLOC_CMPL	0x8
860 #define HWRM_RING_ALLOC_NQ	0x10
861 
862 #define INVALID_STATS_CTX_ID	-1
863 
864 struct bnxt_ring_grp_info {
865 	u16	fw_stats_ctx;
866 	u16	fw_grp_id;
867 	u16	rx_fw_ring_id;
868 	u16	agg_fw_ring_id;
869 	u16	cp_fw_ring_id;
870 };
871 
872 struct bnxt_vnic_info {
873 	u16		fw_vnic_id; /* returned by Chimp during alloc */
874 #define BNXT_MAX_CTX_PER_VNIC	8
875 	u16		fw_rss_cos_lb_ctx[BNXT_MAX_CTX_PER_VNIC];
876 	u16		fw_l2_ctx_id;
877 #define BNXT_MAX_UC_ADDRS	4
878 	__le64		fw_l2_filter_id[BNXT_MAX_UC_ADDRS];
879 				/* index 0 always dev_addr */
880 	u16		uc_filter_count;
881 	u8		*uc_list;
882 
883 	u16		*fw_grp_ids;
884 	dma_addr_t	rss_table_dma_addr;
885 	__le16		*rss_table;
886 	dma_addr_t	rss_hash_key_dma_addr;
887 	u64		*rss_hash_key;
888 	u32		rx_mask;
889 
890 	u8		*mc_list;
891 	int		mc_list_size;
892 	int		mc_list_count;
893 	dma_addr_t	mc_list_mapping;
894 #define BNXT_MAX_MC_ADDRS	16
895 
896 	u32		flags;
897 #define BNXT_VNIC_RSS_FLAG	1
898 #define BNXT_VNIC_RFS_FLAG	2
899 #define BNXT_VNIC_MCAST_FLAG	4
900 #define BNXT_VNIC_UCAST_FLAG	8
901 #define BNXT_VNIC_RFS_NEW_RSS_FLAG	0x10
902 };
903 
904 struct bnxt_hw_resc {
905 	u16	min_rsscos_ctxs;
906 	u16	max_rsscos_ctxs;
907 	u16	min_cp_rings;
908 	u16	max_cp_rings;
909 	u16	resv_cp_rings;
910 	u16	min_tx_rings;
911 	u16	max_tx_rings;
912 	u16	resv_tx_rings;
913 	u16	max_tx_sch_inputs;
914 	u16	min_rx_rings;
915 	u16	max_rx_rings;
916 	u16	resv_rx_rings;
917 	u16	min_hw_ring_grps;
918 	u16	max_hw_ring_grps;
919 	u16	resv_hw_ring_grps;
920 	u16	min_l2_ctxs;
921 	u16	max_l2_ctxs;
922 	u16	min_vnics;
923 	u16	max_vnics;
924 	u16	resv_vnics;
925 	u16	min_stat_ctxs;
926 	u16	max_stat_ctxs;
927 	u16	max_irqs;
928 };
929 
930 #if defined(CONFIG_BNXT_SRIOV)
931 struct bnxt_vf_info {
932 	u16	fw_fid;
933 	u8	mac_addr[ETH_ALEN];	/* PF assigned MAC Address */
934 	u8	vf_mac_addr[ETH_ALEN];	/* VF assigned MAC address, only
935 					 * stored by PF.
936 					 */
937 	u16	vlan;
938 	u32	flags;
939 #define BNXT_VF_QOS		0x1
940 #define BNXT_VF_SPOOFCHK	0x2
941 #define BNXT_VF_LINK_FORCED	0x4
942 #define BNXT_VF_LINK_UP		0x8
943 #define BNXT_VF_TRUST		0x10
944 	u32	func_flags; /* func cfg flags */
945 	u32	min_tx_rate;
946 	u32	max_tx_rate;
947 	void	*hwrm_cmd_req_addr;
948 	dma_addr_t	hwrm_cmd_req_dma_addr;
949 };
950 #endif
951 
952 struct bnxt_pf_info {
953 #define BNXT_FIRST_PF_FID	1
954 #define BNXT_FIRST_VF_FID	128
955 	u16	fw_fid;
956 	u16	port_id;
957 	u8	mac_addr[ETH_ALEN];
958 	u32	first_vf_id;
959 	u16	active_vfs;
960 	u16	max_vfs;
961 	u32	max_encap_records;
962 	u32	max_decap_records;
963 	u32	max_tx_em_flows;
964 	u32	max_tx_wm_flows;
965 	u32	max_rx_em_flows;
966 	u32	max_rx_wm_flows;
967 	unsigned long	*vf_event_bmap;
968 	u16	hwrm_cmd_req_pages;
969 	u8	vf_resv_strategy;
970 #define BNXT_VF_RESV_STRATEGY_MAXIMAL	0
971 #define BNXT_VF_RESV_STRATEGY_MINIMAL	1
972 #define BNXT_VF_RESV_STRATEGY_MINIMAL_STATIC	2
973 	void			*hwrm_cmd_req_addr[4];
974 	dma_addr_t		hwrm_cmd_req_dma_addr[4];
975 	struct bnxt_vf_info	*vf;
976 };
977 
978 struct bnxt_ntuple_filter {
979 	struct hlist_node	hash;
980 	u8			dst_mac_addr[ETH_ALEN];
981 	u8			src_mac_addr[ETH_ALEN];
982 	struct flow_keys	fkeys;
983 	__le64			filter_id;
984 	u16			sw_id;
985 	u8			l2_fltr_idx;
986 	u16			rxq;
987 	u32			flow_id;
988 	unsigned long		state;
989 #define BNXT_FLTR_VALID		0
990 #define BNXT_FLTR_UPDATE	1
991 };
992 
993 struct bnxt_link_info {
994 	u8			phy_type;
995 	u8			media_type;
996 	u8			transceiver;
997 	u8			phy_addr;
998 	u8			phy_link_status;
999 #define BNXT_LINK_NO_LINK	PORT_PHY_QCFG_RESP_LINK_NO_LINK
1000 #define BNXT_LINK_SIGNAL	PORT_PHY_QCFG_RESP_LINK_SIGNAL
1001 #define BNXT_LINK_LINK		PORT_PHY_QCFG_RESP_LINK_LINK
1002 	u8			wire_speed;
1003 	u8			loop_back;
1004 	u8			link_up;
1005 	u8			duplex;
1006 #define BNXT_LINK_DUPLEX_HALF	PORT_PHY_QCFG_RESP_DUPLEX_STATE_HALF
1007 #define BNXT_LINK_DUPLEX_FULL	PORT_PHY_QCFG_RESP_DUPLEX_STATE_FULL
1008 	u8			pause;
1009 #define BNXT_LINK_PAUSE_TX	PORT_PHY_QCFG_RESP_PAUSE_TX
1010 #define BNXT_LINK_PAUSE_RX	PORT_PHY_QCFG_RESP_PAUSE_RX
1011 #define BNXT_LINK_PAUSE_BOTH	(PORT_PHY_QCFG_RESP_PAUSE_RX | \
1012 				 PORT_PHY_QCFG_RESP_PAUSE_TX)
1013 	u8			lp_pause;
1014 	u8			auto_pause_setting;
1015 	u8			force_pause_setting;
1016 	u8			duplex_setting;
1017 	u8			auto_mode;
1018 #define BNXT_AUTO_MODE(mode)	((mode) > BNXT_LINK_AUTO_NONE && \
1019 				 (mode) <= BNXT_LINK_AUTO_MSK)
1020 #define BNXT_LINK_AUTO_NONE     PORT_PHY_QCFG_RESP_AUTO_MODE_NONE
1021 #define BNXT_LINK_AUTO_ALLSPDS	PORT_PHY_QCFG_RESP_AUTO_MODE_ALL_SPEEDS
1022 #define BNXT_LINK_AUTO_ONESPD	PORT_PHY_QCFG_RESP_AUTO_MODE_ONE_SPEED
1023 #define BNXT_LINK_AUTO_ONEORBELOW PORT_PHY_QCFG_RESP_AUTO_MODE_ONE_OR_BELOW
1024 #define BNXT_LINK_AUTO_MSK	PORT_PHY_QCFG_RESP_AUTO_MODE_SPEED_MASK
1025 #define PHY_VER_LEN		3
1026 	u8			phy_ver[PHY_VER_LEN];
1027 	u16			link_speed;
1028 #define BNXT_LINK_SPEED_100MB	PORT_PHY_QCFG_RESP_LINK_SPEED_100MB
1029 #define BNXT_LINK_SPEED_1GB	PORT_PHY_QCFG_RESP_LINK_SPEED_1GB
1030 #define BNXT_LINK_SPEED_2GB	PORT_PHY_QCFG_RESP_LINK_SPEED_2GB
1031 #define BNXT_LINK_SPEED_2_5GB	PORT_PHY_QCFG_RESP_LINK_SPEED_2_5GB
1032 #define BNXT_LINK_SPEED_10GB	PORT_PHY_QCFG_RESP_LINK_SPEED_10GB
1033 #define BNXT_LINK_SPEED_20GB	PORT_PHY_QCFG_RESP_LINK_SPEED_20GB
1034 #define BNXT_LINK_SPEED_25GB	PORT_PHY_QCFG_RESP_LINK_SPEED_25GB
1035 #define BNXT_LINK_SPEED_40GB	PORT_PHY_QCFG_RESP_LINK_SPEED_40GB
1036 #define BNXT_LINK_SPEED_50GB	PORT_PHY_QCFG_RESP_LINK_SPEED_50GB
1037 #define BNXT_LINK_SPEED_100GB	PORT_PHY_QCFG_RESP_LINK_SPEED_100GB
1038 	u16			support_speeds;
1039 	u16			auto_link_speeds;	/* fw adv setting */
1040 #define BNXT_LINK_SPEED_MSK_100MB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_100MB
1041 #define BNXT_LINK_SPEED_MSK_1GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_1GB
1042 #define BNXT_LINK_SPEED_MSK_2GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_2GB
1043 #define BNXT_LINK_SPEED_MSK_10GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_10GB
1044 #define BNXT_LINK_SPEED_MSK_2_5GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_2_5GB
1045 #define BNXT_LINK_SPEED_MSK_20GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_20GB
1046 #define BNXT_LINK_SPEED_MSK_25GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_25GB
1047 #define BNXT_LINK_SPEED_MSK_40GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_40GB
1048 #define BNXT_LINK_SPEED_MSK_50GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_50GB
1049 #define BNXT_LINK_SPEED_MSK_100GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_100GB
1050 	u16			support_auto_speeds;
1051 	u16			lp_auto_link_speeds;
1052 	u16			force_link_speed;
1053 	u32			preemphasis;
1054 	u8			module_status;
1055 	u16			fec_cfg;
1056 #define BNXT_FEC_AUTONEG	PORT_PHY_QCFG_RESP_FEC_CFG_FEC_AUTONEG_ENABLED
1057 #define BNXT_FEC_ENC_BASE_R	PORT_PHY_QCFG_RESP_FEC_CFG_FEC_CLAUSE74_ENABLED
1058 #define BNXT_FEC_ENC_RS		PORT_PHY_QCFG_RESP_FEC_CFG_FEC_CLAUSE91_ENABLED
1059 
1060 	/* copy of requested setting from ethtool cmd */
1061 	u8			autoneg;
1062 #define BNXT_AUTONEG_SPEED		1
1063 #define BNXT_AUTONEG_FLOW_CTRL		2
1064 	u8			req_duplex;
1065 	u8			req_flow_ctrl;
1066 	u16			req_link_speed;
1067 	u16			advertising;	/* user adv setting */
1068 	bool			force_link_chng;
1069 
1070 	bool			phy_retry;
1071 	unsigned long		phy_retry_expires;
1072 
1073 	/* a copy of phy_qcfg output used to report link
1074 	 * info to VF
1075 	 */
1076 	struct hwrm_port_phy_qcfg_output phy_qcfg_resp;
1077 };
1078 
1079 #define BNXT_MAX_QUEUE	8
1080 
1081 struct bnxt_queue_info {
1082 	u8	queue_id;
1083 	u8	queue_profile;
1084 };
1085 
1086 #define BNXT_MAX_LED			4
1087 
1088 struct bnxt_led_info {
1089 	u8	led_id;
1090 	u8	led_type;
1091 	u8	led_group_id;
1092 	u8	unused;
1093 	__le16	led_state_caps;
1094 #define BNXT_LED_ALT_BLINK_CAP(x)	((x) &	\
1095 	cpu_to_le16(PORT_LED_QCAPS_RESP_LED0_STATE_CAPS_BLINK_ALT_SUPPORTED))
1096 
1097 	__le16	led_color_caps;
1098 };
1099 
1100 #define BNXT_MAX_TEST	8
1101 
1102 struct bnxt_test_info {
1103 	u8 offline_mask;
1104 	u8 flags;
1105 #define BNXT_TEST_FL_EXT_LPBK	0x1
1106 	u16 timeout;
1107 	char string[BNXT_MAX_TEST][ETH_GSTRING_LEN];
1108 };
1109 
1110 #define BNXT_GRCPF_REG_WINDOW_BASE_OUT	0x400
1111 #define BNXT_CAG_REG_LEGACY_INT_STATUS	0x4014
1112 #define BNXT_CAG_REG_BASE		0x300000
1113 
1114 struct bnxt_tc_flow_stats {
1115 	u64		packets;
1116 	u64		bytes;
1117 };
1118 
1119 struct bnxt_tc_info {
1120 	bool				enabled;
1121 
1122 	/* hash table to store TC offloaded flows */
1123 	struct rhashtable		flow_table;
1124 	struct rhashtable_params	flow_ht_params;
1125 
1126 	/* hash table to store L2 keys of TC flows */
1127 	struct rhashtable		l2_table;
1128 	struct rhashtable_params	l2_ht_params;
1129 	/* hash table to store L2 keys for TC tunnel decap */
1130 	struct rhashtable		decap_l2_table;
1131 	struct rhashtable_params	decap_l2_ht_params;
1132 	/* hash table to store tunnel decap entries */
1133 	struct rhashtable		decap_table;
1134 	struct rhashtable_params	decap_ht_params;
1135 	/* hash table to store tunnel encap entries */
1136 	struct rhashtable		encap_table;
1137 	struct rhashtable_params	encap_ht_params;
1138 
1139 	/* lock to atomically add/del an l2 node when a flow is
1140 	 * added or deleted.
1141 	 */
1142 	struct mutex			lock;
1143 
1144 	/* Fields used for batching stats query */
1145 	struct rhashtable_iter		iter;
1146 #define BNXT_FLOW_STATS_BATCH_MAX	10
1147 	struct bnxt_tc_stats_batch {
1148 		void			  *flow_node;
1149 		struct bnxt_tc_flow_stats hw_stats;
1150 	} stats_batch[BNXT_FLOW_STATS_BATCH_MAX];
1151 
1152 	/* Stat counter mask (width) */
1153 	u64				bytes_mask;
1154 	u64				packets_mask;
1155 };
1156 
1157 struct bnxt_vf_rep_stats {
1158 	u64			packets;
1159 	u64			bytes;
1160 	u64			dropped;
1161 };
1162 
1163 struct bnxt_vf_rep {
1164 	struct bnxt			*bp;
1165 	struct net_device		*dev;
1166 	struct metadata_dst		*dst;
1167 	u16				vf_idx;
1168 	u16				tx_cfa_action;
1169 	u16				rx_cfa_code;
1170 
1171 	struct bnxt_vf_rep_stats	rx_stats;
1172 	struct bnxt_vf_rep_stats	tx_stats;
1173 };
1174 
1175 #define PTU_PTE_VALID             0x1UL
1176 #define PTU_PTE_LAST              0x2UL
1177 #define PTU_PTE_NEXT_TO_LAST      0x4UL
1178 
1179 #define MAX_CTX_PAGES	(BNXT_PAGE_SIZE / 8)
1180 
1181 struct bnxt_ctx_pg_info {
1182 	u32		entries;
1183 	void		*ctx_pg_arr[MAX_CTX_PAGES];
1184 	dma_addr_t	ctx_dma_arr[MAX_CTX_PAGES];
1185 	struct bnxt_ring_mem_info ring_mem;
1186 };
1187 
1188 struct bnxt_ctx_mem_info {
1189 	u32	qp_max_entries;
1190 	u16	qp_min_qp1_entries;
1191 	u16	qp_max_l2_entries;
1192 	u16	qp_entry_size;
1193 	u16	srq_max_l2_entries;
1194 	u32	srq_max_entries;
1195 	u16	srq_entry_size;
1196 	u16	cq_max_l2_entries;
1197 	u32	cq_max_entries;
1198 	u16	cq_entry_size;
1199 	u16	vnic_max_vnic_entries;
1200 	u16	vnic_max_ring_table_entries;
1201 	u16	vnic_entry_size;
1202 	u32	stat_max_entries;
1203 	u16	stat_entry_size;
1204 	u16	tqm_entry_size;
1205 	u32	tqm_min_entries_per_ring;
1206 	u32	tqm_max_entries_per_ring;
1207 	u32	mrav_max_entries;
1208 	u16	mrav_entry_size;
1209 	u16	tim_entry_size;
1210 	u32	tim_max_entries;
1211 	u8	tqm_entries_multiple;
1212 
1213 	u32	flags;
1214 	#define BNXT_CTX_FLAG_INITED	0x01
1215 
1216 	struct bnxt_ctx_pg_info qp_mem;
1217 	struct bnxt_ctx_pg_info srq_mem;
1218 	struct bnxt_ctx_pg_info cq_mem;
1219 	struct bnxt_ctx_pg_info vnic_mem;
1220 	struct bnxt_ctx_pg_info stat_mem;
1221 	struct bnxt_ctx_pg_info *tqm_mem[9];
1222 };
1223 
1224 struct bnxt {
1225 	void __iomem		*bar0;
1226 	void __iomem		*bar1;
1227 	void __iomem		*bar2;
1228 
1229 	u32			reg_base;
1230 	u16			chip_num;
1231 #define CHIP_NUM_57301		0x16c8
1232 #define CHIP_NUM_57302		0x16c9
1233 #define CHIP_NUM_57304		0x16ca
1234 #define CHIP_NUM_58700		0x16cd
1235 #define CHIP_NUM_57402		0x16d0
1236 #define CHIP_NUM_57404		0x16d1
1237 #define CHIP_NUM_57406		0x16d2
1238 #define CHIP_NUM_57407		0x16d5
1239 
1240 #define CHIP_NUM_57311		0x16ce
1241 #define CHIP_NUM_57312		0x16cf
1242 #define CHIP_NUM_57314		0x16df
1243 #define CHIP_NUM_57317		0x16e0
1244 #define CHIP_NUM_57412		0x16d6
1245 #define CHIP_NUM_57414		0x16d7
1246 #define CHIP_NUM_57416		0x16d8
1247 #define CHIP_NUM_57417		0x16d9
1248 #define CHIP_NUM_57412L		0x16da
1249 #define CHIP_NUM_57414L		0x16db
1250 
1251 #define CHIP_NUM_5745X		0xd730
1252 
1253 #define CHIP_NUM_57500		0x1750
1254 
1255 #define CHIP_NUM_58802		0xd802
1256 #define CHIP_NUM_58804		0xd804
1257 #define CHIP_NUM_58808		0xd808
1258 
1259 #define BNXT_CHIP_NUM_5730X(chip_num)		\
1260 	((chip_num) >= CHIP_NUM_57301 &&	\
1261 	 (chip_num) <= CHIP_NUM_57304)
1262 
1263 #define BNXT_CHIP_NUM_5740X(chip_num)		\
1264 	(((chip_num) >= CHIP_NUM_57402 &&	\
1265 	  (chip_num) <= CHIP_NUM_57406) ||	\
1266 	 (chip_num) == CHIP_NUM_57407)
1267 
1268 #define BNXT_CHIP_NUM_5731X(chip_num)		\
1269 	((chip_num) == CHIP_NUM_57311 ||	\
1270 	 (chip_num) == CHIP_NUM_57312 ||	\
1271 	 (chip_num) == CHIP_NUM_57314 ||	\
1272 	 (chip_num) == CHIP_NUM_57317)
1273 
1274 #define BNXT_CHIP_NUM_5741X(chip_num)		\
1275 	((chip_num) >= CHIP_NUM_57412 &&	\
1276 	 (chip_num) <= CHIP_NUM_57414L)
1277 
1278 #define BNXT_CHIP_NUM_58700(chip_num)		\
1279 	 ((chip_num) == CHIP_NUM_58700)
1280 
1281 #define BNXT_CHIP_NUM_5745X(chip_num)		\
1282 	 ((chip_num) == CHIP_NUM_5745X)
1283 
1284 #define BNXT_CHIP_NUM_57X0X(chip_num)		\
1285 	(BNXT_CHIP_NUM_5730X(chip_num) || BNXT_CHIP_NUM_5740X(chip_num))
1286 
1287 #define BNXT_CHIP_NUM_57X1X(chip_num)		\
1288 	(BNXT_CHIP_NUM_5731X(chip_num) || BNXT_CHIP_NUM_5741X(chip_num))
1289 
1290 #define BNXT_CHIP_NUM_588XX(chip_num)		\
1291 	((chip_num) == CHIP_NUM_58802 ||	\
1292 	 (chip_num) == CHIP_NUM_58804 ||        \
1293 	 (chip_num) == CHIP_NUM_58808)
1294 
1295 	struct net_device	*dev;
1296 	struct pci_dev		*pdev;
1297 
1298 	atomic_t		intr_sem;
1299 
1300 	u32			flags;
1301 	#define BNXT_FLAG_CHIP_P5	0x1
1302 	#define BNXT_FLAG_VF		0x2
1303 	#define BNXT_FLAG_LRO		0x4
1304 #ifdef CONFIG_INET
1305 	#define BNXT_FLAG_GRO		0x8
1306 #else
1307 	/* Cannot support hardware GRO if CONFIG_INET is not set */
1308 	#define BNXT_FLAG_GRO		0x0
1309 #endif
1310 	#define BNXT_FLAG_TPA		(BNXT_FLAG_LRO | BNXT_FLAG_GRO)
1311 	#define BNXT_FLAG_JUMBO		0x10
1312 	#define BNXT_FLAG_STRIP_VLAN	0x20
1313 	#define BNXT_FLAG_AGG_RINGS	(BNXT_FLAG_JUMBO | BNXT_FLAG_GRO | \
1314 					 BNXT_FLAG_LRO)
1315 	#define BNXT_FLAG_USING_MSIX	0x40
1316 	#define BNXT_FLAG_MSIX_CAP	0x80
1317 	#define BNXT_FLAG_RFS		0x100
1318 	#define BNXT_FLAG_SHARED_RINGS	0x200
1319 	#define BNXT_FLAG_PORT_STATS	0x400
1320 	#define BNXT_FLAG_UDP_RSS_CAP	0x800
1321 	#define BNXT_FLAG_EEE_CAP	0x1000
1322 	#define BNXT_FLAG_NEW_RSS_CAP	0x2000
1323 	#define BNXT_FLAG_WOL_CAP	0x4000
1324 	#define BNXT_FLAG_ROCEV1_CAP	0x8000
1325 	#define BNXT_FLAG_ROCEV2_CAP	0x10000
1326 	#define BNXT_FLAG_ROCE_CAP	(BNXT_FLAG_ROCEV1_CAP |	\
1327 					 BNXT_FLAG_ROCEV2_CAP)
1328 	#define BNXT_FLAG_NO_AGG_RINGS	0x20000
1329 	#define BNXT_FLAG_RX_PAGE_MODE	0x40000
1330 	#define BNXT_FLAG_MULTI_HOST	0x100000
1331 	#define BNXT_FLAG_DOUBLE_DB	0x400000
1332 	#define BNXT_FLAG_CHIP_NITRO_A0	0x1000000
1333 	#define BNXT_FLAG_DIM		0x2000000
1334 	#define BNXT_FLAG_ROCE_MIRROR_CAP	0x4000000
1335 	#define BNXT_FLAG_PORT_STATS_EXT	0x10000000
1336 
1337 	#define BNXT_FLAG_ALL_CONFIG_FEATS (BNXT_FLAG_TPA |		\
1338 					    BNXT_FLAG_RFS |		\
1339 					    BNXT_FLAG_STRIP_VLAN)
1340 
1341 #define BNXT_PF(bp)		(!((bp)->flags & BNXT_FLAG_VF))
1342 #define BNXT_VF(bp)		((bp)->flags & BNXT_FLAG_VF)
1343 #define BNXT_NPAR(bp)		((bp)->port_partition_type)
1344 #define BNXT_MH(bp)		((bp)->flags & BNXT_FLAG_MULTI_HOST)
1345 #define BNXT_SINGLE_PF(bp)	(BNXT_PF(bp) && !BNXT_NPAR(bp) && !BNXT_MH(bp))
1346 #define BNXT_CHIP_TYPE_NITRO_A0(bp) ((bp)->flags & BNXT_FLAG_CHIP_NITRO_A0)
1347 #define BNXT_RX_PAGE_MODE(bp)	((bp)->flags & BNXT_FLAG_RX_PAGE_MODE)
1348 #define BNXT_SUPPORTS_TPA(bp)	(!BNXT_CHIP_TYPE_NITRO_A0(bp) &&	\
1349 				 !(bp->flags & BNXT_FLAG_CHIP_P5))
1350 
1351 /* Chip class phase 5 */
1352 #define BNXT_CHIP_P5(bp)			\
1353 	((bp)->chip_num == CHIP_NUM_57500)
1354 
1355 /* Chip class phase 4.x */
1356 #define BNXT_CHIP_P4(bp)			\
1357 	(BNXT_CHIP_NUM_57X1X((bp)->chip_num) ||	\
1358 	 BNXT_CHIP_NUM_5745X((bp)->chip_num) ||	\
1359 	 BNXT_CHIP_NUM_588XX((bp)->chip_num) ||	\
1360 	 (BNXT_CHIP_NUM_58700((bp)->chip_num) &&	\
1361 	  !BNXT_CHIP_TYPE_NITRO_A0(bp)))
1362 
1363 #define BNXT_CHIP_P4_PLUS(bp)			\
1364 	(BNXT_CHIP_P4(bp) || BNXT_CHIP_P5(bp))
1365 
1366 	struct bnxt_en_dev	*edev;
1367 	struct bnxt_en_dev *	(*ulp_probe)(struct net_device *);
1368 
1369 	struct bnxt_napi	**bnapi;
1370 
1371 	struct bnxt_rx_ring_info	*rx_ring;
1372 	struct bnxt_tx_ring_info	*tx_ring;
1373 	u16			*tx_ring_map;
1374 
1375 	struct sk_buff *	(*gro_func)(struct bnxt_tpa_info *, int, int,
1376 					    struct sk_buff *);
1377 
1378 	struct sk_buff *	(*rx_skb_func)(struct bnxt *,
1379 					       struct bnxt_rx_ring_info *,
1380 					       u16, void *, u8 *, dma_addr_t,
1381 					       unsigned int);
1382 
1383 	u32			rx_buf_size;
1384 	u32			rx_buf_use_size;	/* useable size */
1385 	u16			rx_offset;
1386 	u16			rx_dma_offset;
1387 	enum dma_data_direction	rx_dir;
1388 	u32			rx_ring_size;
1389 	u32			rx_agg_ring_size;
1390 	u32			rx_copy_thresh;
1391 	u32			rx_ring_mask;
1392 	u32			rx_agg_ring_mask;
1393 	int			rx_nr_pages;
1394 	int			rx_agg_nr_pages;
1395 	int			rx_nr_rings;
1396 	int			rsscos_nr_ctxs;
1397 
1398 	u32			tx_ring_size;
1399 	u32			tx_ring_mask;
1400 	int			tx_nr_pages;
1401 	int			tx_nr_rings;
1402 	int			tx_nr_rings_per_tc;
1403 	int			tx_nr_rings_xdp;
1404 
1405 	int			tx_wake_thresh;
1406 	int			tx_push_thresh;
1407 	int			tx_push_size;
1408 
1409 	u32			cp_ring_size;
1410 	u32			cp_ring_mask;
1411 	u32			cp_bit;
1412 	int			cp_nr_pages;
1413 	int			cp_nr_rings;
1414 
1415 	int			num_stat_ctxs;
1416 
1417 	/* grp_info indexed by completion ring index */
1418 	struct bnxt_ring_grp_info	*grp_info;
1419 	struct bnxt_vnic_info	*vnic_info;
1420 	int			nr_vnics;
1421 	u32			rss_hash_cfg;
1422 
1423 	u16			max_mtu;
1424 	u8			max_tc;
1425 	u8			max_lltc;	/* lossless TCs */
1426 	struct bnxt_queue_info	q_info[BNXT_MAX_QUEUE];
1427 	u8			tc_to_qidx[BNXT_MAX_QUEUE];
1428 	u8			q_ids[BNXT_MAX_QUEUE];
1429 	u8			max_q;
1430 
1431 	unsigned int		current_interval;
1432 #define BNXT_TIMER_INTERVAL	HZ
1433 
1434 	struct timer_list	timer;
1435 
1436 	unsigned long		state;
1437 #define BNXT_STATE_OPEN		0
1438 #define BNXT_STATE_IN_SP_TASK	1
1439 #define BNXT_STATE_READ_STATS	2
1440 
1441 	struct bnxt_irq	*irq_tbl;
1442 	int			total_irqs;
1443 	u8			mac_addr[ETH_ALEN];
1444 
1445 #ifdef CONFIG_BNXT_DCB
1446 	struct ieee_pfc		*ieee_pfc;
1447 	struct ieee_ets		*ieee_ets;
1448 	u8			dcbx_cap;
1449 	u8			default_pri;
1450 	u8			max_dscp_value;
1451 #endif /* CONFIG_BNXT_DCB */
1452 
1453 	u32			msg_enable;
1454 
1455 	u32			fw_cap;
1456 	#define BNXT_FW_CAP_SHORT_CMD	0x00000001
1457 	#define BNXT_FW_CAP_LLDP_AGENT	0x00000002
1458 	#define BNXT_FW_CAP_DCBX_AGENT	0x00000004
1459 	#define BNXT_FW_CAP_NEW_RM	0x00000008
1460 	#define BNXT_FW_CAP_IF_CHANGE	0x00000010
1461 
1462 #define BNXT_NEW_RM(bp)		((bp)->fw_cap & BNXT_FW_CAP_NEW_RM)
1463 	u32			hwrm_spec_code;
1464 	u16			hwrm_cmd_seq;
1465 	u32			hwrm_intr_seq_id;
1466 	void			*hwrm_short_cmd_req_addr;
1467 	dma_addr_t		hwrm_short_cmd_req_dma_addr;
1468 	void			*hwrm_cmd_resp_addr;
1469 	dma_addr_t		hwrm_cmd_resp_dma_addr;
1470 
1471 	struct rx_port_stats	*hw_rx_port_stats;
1472 	struct tx_port_stats	*hw_tx_port_stats;
1473 	struct rx_port_stats_ext	*hw_rx_port_stats_ext;
1474 	struct tx_port_stats_ext	*hw_tx_port_stats_ext;
1475 	dma_addr_t		hw_rx_port_stats_map;
1476 	dma_addr_t		hw_tx_port_stats_map;
1477 	dma_addr_t		hw_rx_port_stats_ext_map;
1478 	dma_addr_t		hw_tx_port_stats_ext_map;
1479 	int			hw_port_stats_size;
1480 	u16			fw_rx_stats_ext_size;
1481 	u16			fw_tx_stats_ext_size;
1482 
1483 	u16			hwrm_max_req_len;
1484 	u16			hwrm_max_ext_req_len;
1485 	int			hwrm_cmd_timeout;
1486 	struct mutex		hwrm_cmd_lock;	/* serialize hwrm messages */
1487 	struct hwrm_ver_get_output	ver_resp;
1488 #define FW_VER_STR_LEN		32
1489 #define BC_HWRM_STR_LEN		21
1490 #define PHY_VER_STR_LEN         (FW_VER_STR_LEN - BC_HWRM_STR_LEN)
1491 	char			fw_ver_str[FW_VER_STR_LEN];
1492 	__be16			vxlan_port;
1493 	u8			vxlan_port_cnt;
1494 	__le16			vxlan_fw_dst_port_id;
1495 	__be16			nge_port;
1496 	u8			nge_port_cnt;
1497 	__le16			nge_fw_dst_port_id;
1498 	u8			port_partition_type;
1499 	u8			port_count;
1500 	u16			br_mode;
1501 
1502 	struct bnxt_coal_cap	coal_cap;
1503 	struct bnxt_coal	rx_coal;
1504 	struct bnxt_coal	tx_coal;
1505 
1506 	u32			stats_coal_ticks;
1507 #define BNXT_DEF_STATS_COAL_TICKS	 1000000
1508 #define BNXT_MIN_STATS_COAL_TICKS	  250000
1509 #define BNXT_MAX_STATS_COAL_TICKS	 1000000
1510 
1511 	struct work_struct	sp_task;
1512 	unsigned long		sp_event;
1513 #define BNXT_RX_MASK_SP_EVENT		0
1514 #define BNXT_RX_NTP_FLTR_SP_EVENT	1
1515 #define BNXT_LINK_CHNG_SP_EVENT		2
1516 #define BNXT_HWRM_EXEC_FWD_REQ_SP_EVENT	3
1517 #define BNXT_VXLAN_ADD_PORT_SP_EVENT	4
1518 #define BNXT_VXLAN_DEL_PORT_SP_EVENT	5
1519 #define BNXT_RESET_TASK_SP_EVENT	6
1520 #define BNXT_RST_RING_SP_EVENT		7
1521 #define BNXT_HWRM_PF_UNLOAD_SP_EVENT	8
1522 #define BNXT_PERIODIC_STATS_SP_EVENT	9
1523 #define BNXT_HWRM_PORT_MODULE_SP_EVENT	10
1524 #define BNXT_RESET_TASK_SILENT_SP_EVENT	11
1525 #define BNXT_GENEVE_ADD_PORT_SP_EVENT	12
1526 #define BNXT_GENEVE_DEL_PORT_SP_EVENT	13
1527 #define BNXT_LINK_SPEED_CHNG_SP_EVENT	14
1528 #define BNXT_FLOW_STATS_SP_EVENT	15
1529 #define BNXT_UPDATE_PHY_SP_EVENT	16
1530 
1531 	struct bnxt_hw_resc	hw_resc;
1532 	struct bnxt_pf_info	pf;
1533 	struct bnxt_ctx_mem_info	*ctx;
1534 #ifdef CONFIG_BNXT_SRIOV
1535 	int			nr_vfs;
1536 	struct bnxt_vf_info	vf;
1537 	wait_queue_head_t	sriov_cfg_wait;
1538 	bool			sriov_cfg;
1539 #define BNXT_SRIOV_CFG_WAIT_TMO	msecs_to_jiffies(10000)
1540 
1541 	/* lock to protect VF-rep creation/cleanup via
1542 	 * multiple paths such as ->sriov_configure() and
1543 	 * devlink ->eswitch_mode_set()
1544 	 */
1545 	struct mutex		sriov_lock;
1546 #endif
1547 
1548 #if BITS_PER_LONG == 32
1549 	/* ensure atomic 64-bit doorbell writes on 32-bit systems. */
1550 	spinlock_t		db_lock;
1551 #endif
1552 
1553 #define BNXT_NTP_FLTR_MAX_FLTR	4096
1554 #define BNXT_NTP_FLTR_HASH_SIZE	512
1555 #define BNXT_NTP_FLTR_HASH_MASK	(BNXT_NTP_FLTR_HASH_SIZE - 1)
1556 	struct hlist_head	ntp_fltr_hash_tbl[BNXT_NTP_FLTR_HASH_SIZE];
1557 	spinlock_t		ntp_fltr_lock;	/* for hash table add, del */
1558 
1559 	unsigned long		*ntp_fltr_bmap;
1560 	int			ntp_fltr_count;
1561 
1562 	/* To protect link related settings during link changes and
1563 	 * ethtool settings changes.
1564 	 */
1565 	struct mutex		link_lock;
1566 	struct bnxt_link_info	link_info;
1567 	struct ethtool_eee	eee;
1568 	u32			lpi_tmr_lo;
1569 	u32			lpi_tmr_hi;
1570 
1571 	u8			num_tests;
1572 	struct bnxt_test_info	*test_info;
1573 
1574 	u8			wol_filter_id;
1575 	u8			wol;
1576 
1577 	u8			num_leds;
1578 	struct bnxt_led_info	leds[BNXT_MAX_LED];
1579 
1580 	struct bpf_prog		*xdp_prog;
1581 
1582 	/* devlink interface and vf-rep structs */
1583 	struct devlink		*dl;
1584 	enum devlink_eswitch_mode eswitch_mode;
1585 	struct bnxt_vf_rep	**vf_reps; /* array of vf-rep ptrs */
1586 	u16			*cfa_code_map; /* cfa_code -> vf_idx map */
1587 	u8			switch_id[8];
1588 	struct bnxt_tc_info	*tc_info;
1589 	struct dentry		*debugfs_pdev;
1590 	struct dentry		*debugfs_dim;
1591 	struct device		*hwmon_dev;
1592 };
1593 
1594 #define BNXT_RX_STATS_OFFSET(counter)			\
1595 	(offsetof(struct rx_port_stats, counter) / 8)
1596 
1597 #define BNXT_TX_STATS_OFFSET(counter)			\
1598 	((offsetof(struct tx_port_stats, counter) +	\
1599 	  sizeof(struct rx_port_stats) + 512) / 8)
1600 
1601 #define BNXT_RX_STATS_EXT_OFFSET(counter)		\
1602 	(offsetof(struct rx_port_stats_ext, counter) / 8)
1603 
1604 #define BNXT_TX_STATS_EXT_OFFSET(counter)		\
1605 	(offsetof(struct tx_port_stats_ext, counter) / 8)
1606 
1607 #define I2C_DEV_ADDR_A0				0xa0
1608 #define I2C_DEV_ADDR_A2				0xa2
1609 #define SFF_DIAG_SUPPORT_OFFSET			0x5c
1610 #define SFF_MODULE_ID_SFP			0x3
1611 #define SFF_MODULE_ID_QSFP			0xc
1612 #define SFF_MODULE_ID_QSFP_PLUS			0xd
1613 #define SFF_MODULE_ID_QSFP28			0x11
1614 #define BNXT_MAX_PHY_I2C_RESP_SIZE		64
1615 
1616 static inline u32 bnxt_tx_avail(struct bnxt *bp, struct bnxt_tx_ring_info *txr)
1617 {
1618 	/* Tell compiler to fetch tx indices from memory. */
1619 	barrier();
1620 
1621 	return bp->tx_ring_size -
1622 		((txr->tx_prod - txr->tx_cons) & bp->tx_ring_mask);
1623 }
1624 
1625 #if BITS_PER_LONG == 32
1626 #define writeq(val64, db)			\
1627 do {						\
1628 	spin_lock(&bp->db_lock);		\
1629 	writel((val64) & 0xffffffff, db);	\
1630 	writel((val64) >> 32, (db) + 4);	\
1631 	spin_unlock(&bp->db_lock);		\
1632 } while (0)
1633 
1634 #define writeq_relaxed writeq
1635 #endif
1636 
1637 /* For TX and RX ring doorbells with no ordering guarantee*/
1638 static inline void bnxt_db_write_relaxed(struct bnxt *bp,
1639 					 struct bnxt_db_info *db, u32 idx)
1640 {
1641 	if (bp->flags & BNXT_FLAG_CHIP_P5) {
1642 		writeq_relaxed(db->db_key64 | idx, db->doorbell);
1643 	} else {
1644 		u32 db_val = db->db_key32 | idx;
1645 
1646 		writel_relaxed(db_val, db->doorbell);
1647 		if (bp->flags & BNXT_FLAG_DOUBLE_DB)
1648 			writel_relaxed(db_val, db->doorbell);
1649 	}
1650 }
1651 
1652 /* For TX and RX ring doorbells */
1653 static inline void bnxt_db_write(struct bnxt *bp, struct bnxt_db_info *db,
1654 				 u32 idx)
1655 {
1656 	if (bp->flags & BNXT_FLAG_CHIP_P5) {
1657 		writeq(db->db_key64 | idx, db->doorbell);
1658 	} else {
1659 		u32 db_val = db->db_key32 | idx;
1660 
1661 		writel(db_val, db->doorbell);
1662 		if (bp->flags & BNXT_FLAG_DOUBLE_DB)
1663 			writel(db_val, db->doorbell);
1664 	}
1665 }
1666 
1667 extern const u16 bnxt_lhint_arr[];
1668 
1669 int bnxt_alloc_rx_data(struct bnxt *bp, struct bnxt_rx_ring_info *rxr,
1670 		       u16 prod, gfp_t gfp);
1671 void bnxt_reuse_rx_data(struct bnxt_rx_ring_info *rxr, u16 cons, void *data);
1672 void bnxt_set_tpa_flags(struct bnxt *bp);
1673 void bnxt_set_ring_params(struct bnxt *);
1674 int bnxt_set_rx_skb_mode(struct bnxt *bp, bool page_mode);
1675 void bnxt_hwrm_cmd_hdr_init(struct bnxt *, void *, u16, u16, u16);
1676 int _hwrm_send_message(struct bnxt *, void *, u32, int);
1677 int _hwrm_send_message_silent(struct bnxt *bp, void *msg, u32 len, int timeout);
1678 int hwrm_send_message(struct bnxt *, void *, u32, int);
1679 int hwrm_send_message_silent(struct bnxt *, void *, u32, int);
1680 int bnxt_hwrm_func_rgtr_async_events(struct bnxt *bp, unsigned long *bmap,
1681 				     int bmap_size);
1682 int bnxt_hwrm_vnic_cfg(struct bnxt *bp, u16 vnic_id);
1683 int __bnxt_hwrm_get_tx_rings(struct bnxt *bp, u16 fid, int *tx_rings);
1684 int bnxt_hwrm_set_coal(struct bnxt *);
1685 unsigned int bnxt_get_max_func_stat_ctxs(struct bnxt *bp);
1686 void bnxt_set_max_func_stat_ctxs(struct bnxt *bp, unsigned int max);
1687 unsigned int bnxt_get_max_func_cp_rings(struct bnxt *bp);
1688 unsigned int bnxt_get_max_func_cp_rings_for_en(struct bnxt *bp);
1689 int bnxt_get_avail_msix(struct bnxt *bp, int num);
1690 int bnxt_reserve_rings(struct bnxt *bp);
1691 void bnxt_tx_disable(struct bnxt *bp);
1692 void bnxt_tx_enable(struct bnxt *bp);
1693 int bnxt_hwrm_set_pause(struct bnxt *);
1694 int bnxt_hwrm_set_link_setting(struct bnxt *, bool, bool);
1695 int bnxt_hwrm_alloc_wol_fltr(struct bnxt *bp);
1696 int bnxt_hwrm_free_wol_fltr(struct bnxt *bp);
1697 int bnxt_hwrm_func_resc_qcaps(struct bnxt *bp, bool all);
1698 int bnxt_hwrm_fw_set_time(struct bnxt *);
1699 int bnxt_open_nic(struct bnxt *, bool, bool);
1700 int bnxt_half_open_nic(struct bnxt *bp);
1701 void bnxt_half_close_nic(struct bnxt *bp);
1702 int bnxt_close_nic(struct bnxt *, bool, bool);
1703 int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs,
1704 		     int tx_xdp);
1705 int bnxt_setup_mq_tc(struct net_device *dev, u8 tc);
1706 int bnxt_get_max_rings(struct bnxt *, int *, int *, bool);
1707 int bnxt_restore_pf_fw_resources(struct bnxt *bp);
1708 int bnxt_port_attr_get(struct bnxt *bp, struct switchdev_attr *attr);
1709 void bnxt_dim_work(struct work_struct *work);
1710 int bnxt_hwrm_set_ring_coal(struct bnxt *bp, struct bnxt_napi *bnapi);
1711 
1712 #endif
1713