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 TX_CMP_TYPE(txcmp)					\
541 	(le32_to_cpu((txcmp)->tx_cmp_flags_type) & CMP_TYPE)
542 
543 #define RX_CMP_TYPE(rxcmp)					\
544 	(le32_to_cpu((rxcmp)->rx_cmp_len_flags_type) & RX_CMP_CMP_TYPE)
545 
546 #define NEXT_RX(idx)		(((idx) + 1) & bp->rx_ring_mask)
547 
548 #define NEXT_RX_AGG(idx)	(((idx) + 1) & bp->rx_agg_ring_mask)
549 
550 #define NEXT_TX(idx)		(((idx) + 1) & bp->tx_ring_mask)
551 
552 #define ADV_RAW_CMP(idx, n)	((idx) + (n))
553 #define NEXT_RAW_CMP(idx)	ADV_RAW_CMP(idx, 1)
554 #define RING_CMP(idx)		((idx) & bp->cp_ring_mask)
555 #define NEXT_CMP(idx)		RING_CMP(ADV_RAW_CMP(idx, 1))
556 
557 #define BNXT_HWRM_MAX_REQ_LEN		(bp->hwrm_max_req_len)
558 #define BNXT_HWRM_SHORT_REQ_LEN		sizeof(struct hwrm_short_input)
559 #define DFLT_HWRM_CMD_TIMEOUT		500
560 #define HWRM_CMD_TIMEOUT		(bp->hwrm_cmd_timeout)
561 #define HWRM_RESET_TIMEOUT		((HWRM_CMD_TIMEOUT) * 4)
562 #define HWRM_RESP_ERR_CODE_MASK		0xffff
563 #define HWRM_RESP_LEN_OFFSET		4
564 #define HWRM_RESP_LEN_MASK		0xffff0000
565 #define HWRM_RESP_LEN_SFT		16
566 #define HWRM_RESP_VALID_MASK		0xff000000
567 #define HWRM_SEQ_ID_INVALID		-1
568 #define BNXT_HWRM_REQ_MAX_SIZE		128
569 #define BNXT_HWRM_REQS_PER_PAGE		(BNXT_PAGE_SIZE /	\
570 					 BNXT_HWRM_REQ_MAX_SIZE)
571 #define HWRM_SHORT_MIN_TIMEOUT		3
572 #define HWRM_SHORT_MAX_TIMEOUT		10
573 #define HWRM_SHORT_TIMEOUT_COUNTER	5
574 
575 #define HWRM_MIN_TIMEOUT		25
576 #define HWRM_MAX_TIMEOUT		40
577 
578 #define HWRM_TOTAL_TIMEOUT(n)	(((n) <= HWRM_SHORT_TIMEOUT_COUNTER) ?	\
579 	((n) * HWRM_SHORT_MIN_TIMEOUT) :				\
580 	(HWRM_SHORT_TIMEOUT_COUNTER * HWRM_SHORT_MIN_TIMEOUT +		\
581 	 ((n) - HWRM_SHORT_TIMEOUT_COUNTER) * HWRM_MIN_TIMEOUT))
582 
583 #define HWRM_VALID_BIT_DELAY_USEC	20
584 
585 #define BNXT_RX_EVENT	1
586 #define BNXT_AGG_EVENT	2
587 #define BNXT_TX_EVENT	4
588 
589 struct bnxt_sw_tx_bd {
590 	struct sk_buff		*skb;
591 	DEFINE_DMA_UNMAP_ADDR(mapping);
592 	u8			is_gso;
593 	u8			is_push;
594 	union {
595 		unsigned short		nr_frags;
596 		u16			rx_prod;
597 	};
598 };
599 
600 struct bnxt_sw_rx_bd {
601 	void			*data;
602 	u8			*data_ptr;
603 	dma_addr_t		mapping;
604 };
605 
606 struct bnxt_sw_rx_agg_bd {
607 	struct page		*page;
608 	unsigned int		offset;
609 	dma_addr_t		mapping;
610 };
611 
612 struct bnxt_ring_mem_info {
613 	int			nr_pages;
614 	int			page_size;
615 	u32			flags;
616 #define BNXT_RMEM_VALID_PTE_FLAG	1
617 #define BNXT_RMEM_RING_PTE_FLAG		2
618 
619 	void			**pg_arr;
620 	dma_addr_t		*dma_arr;
621 
622 	__le64			*pg_tbl;
623 	dma_addr_t		pg_tbl_map;
624 
625 	int			vmem_size;
626 	void			**vmem;
627 };
628 
629 struct bnxt_ring_struct {
630 	struct bnxt_ring_mem_info	ring_mem;
631 
632 	u16			fw_ring_id; /* Ring id filled by Chimp FW */
633 	union {
634 		u16		grp_idx;
635 		u16		map_idx; /* Used by cmpl rings */
636 	};
637 	u8			queue_id;
638 };
639 
640 struct tx_push_bd {
641 	__le32			doorbell;
642 	__le32			tx_bd_len_flags_type;
643 	u32			tx_bd_opaque;
644 	struct tx_bd_ext	txbd2;
645 };
646 
647 struct tx_push_buffer {
648 	struct tx_push_bd	push_bd;
649 	u32			data[25];
650 };
651 
652 struct bnxt_db_info {
653 	void __iomem		*doorbell;
654 	union {
655 		u64		db_key64;
656 		u32		db_key32;
657 	};
658 };
659 
660 struct bnxt_tx_ring_info {
661 	struct bnxt_napi	*bnapi;
662 	u16			tx_prod;
663 	u16			tx_cons;
664 	u16			txq_index;
665 	struct bnxt_db_info	tx_db;
666 
667 	struct tx_bd		*tx_desc_ring[MAX_TX_PAGES];
668 	struct bnxt_sw_tx_bd	*tx_buf_ring;
669 
670 	dma_addr_t		tx_desc_mapping[MAX_TX_PAGES];
671 
672 	struct tx_push_buffer	*tx_push;
673 	dma_addr_t		tx_push_mapping;
674 	__le64			data_mapping;
675 
676 #define BNXT_DEV_STATE_CLOSING	0x1
677 	u32			dev_state;
678 
679 	struct bnxt_ring_struct	tx_ring_struct;
680 };
681 
682 #define BNXT_LEGACY_COAL_CMPL_PARAMS					\
683 	(RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_INT_LAT_TMR_MIN |		\
684 	 RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_INT_LAT_TMR_MAX |		\
685 	 RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_TIMER_RESET |		\
686 	 RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_RING_IDLE |			\
687 	 RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_NUM_CMPL_DMA_AGGR |		\
688 	 RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_NUM_CMPL_DMA_AGGR_DURING_INT | \
689 	 RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_CMPL_AGGR_DMA_TMR |		\
690 	 RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_CMPL_AGGR_DMA_TMR_DURING_INT | \
691 	 RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_NUM_CMPL_AGGR_INT)
692 
693 #define BNXT_COAL_CMPL_ENABLES						\
694 	(RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_ENABLES_NUM_CMPL_DMA_AGGR | \
695 	 RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_ENABLES_CMPL_AGGR_DMA_TMR | \
696 	 RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_ENABLES_INT_LAT_TMR_MAX | \
697 	 RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_ENABLES_NUM_CMPL_AGGR_INT)
698 
699 #define BNXT_COAL_CMPL_MIN_TMR_ENABLE					\
700 	RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_ENABLES_INT_LAT_TMR_MIN
701 
702 #define BNXT_COAL_CMPL_AGGR_TMR_DURING_INT_ENABLE			\
703 	RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_ENABLES_NUM_CMPL_DMA_AGGR_DURING_INT
704 
705 struct bnxt_coal_cap {
706 	u32			cmpl_params;
707 	u32			nq_params;
708 	u16			num_cmpl_dma_aggr_max;
709 	u16			num_cmpl_dma_aggr_during_int_max;
710 	u16			cmpl_aggr_dma_tmr_max;
711 	u16			cmpl_aggr_dma_tmr_during_int_max;
712 	u16			int_lat_tmr_min_max;
713 	u16			int_lat_tmr_max_max;
714 	u16			num_cmpl_aggr_int_max;
715 	u16			timer_units;
716 };
717 
718 struct bnxt_coal {
719 	u16			coal_ticks;
720 	u16			coal_ticks_irq;
721 	u16			coal_bufs;
722 	u16			coal_bufs_irq;
723 			/* RING_IDLE enabled when coal ticks < idle_thresh  */
724 	u16			idle_thresh;
725 	u8			bufs_per_record;
726 	u8			budget;
727 };
728 
729 struct bnxt_tpa_info {
730 	void			*data;
731 	u8			*data_ptr;
732 	dma_addr_t		mapping;
733 	u16			len;
734 	unsigned short		gso_type;
735 	u32			flags2;
736 	u32			metadata;
737 	enum pkt_hash_types	hash_type;
738 	u32			rss_hash;
739 	u32			hdr_info;
740 
741 #define BNXT_TPA_L4_SIZE(hdr_info)	\
742 	(((hdr_info) & 0xf8000000) ? ((hdr_info) >> 27) : 32)
743 
744 #define BNXT_TPA_INNER_L3_OFF(hdr_info)	\
745 	(((hdr_info) >> 18) & 0x1ff)
746 
747 #define BNXT_TPA_INNER_L2_OFF(hdr_info)	\
748 	(((hdr_info) >> 9) & 0x1ff)
749 
750 #define BNXT_TPA_OUTER_L3_OFF(hdr_info)	\
751 	((hdr_info) & 0x1ff)
752 
753 	u16			cfa_code; /* cfa_code in TPA start compl */
754 };
755 
756 struct bnxt_rx_ring_info {
757 	struct bnxt_napi	*bnapi;
758 	u16			rx_prod;
759 	u16			rx_agg_prod;
760 	u16			rx_sw_agg_prod;
761 	u16			rx_next_cons;
762 	struct bnxt_db_info	rx_db;
763 	struct bnxt_db_info	rx_agg_db;
764 
765 	struct bpf_prog		*xdp_prog;
766 
767 	struct rx_bd		*rx_desc_ring[MAX_RX_PAGES];
768 	struct bnxt_sw_rx_bd	*rx_buf_ring;
769 
770 	struct rx_bd		*rx_agg_desc_ring[MAX_RX_AGG_PAGES];
771 	struct bnxt_sw_rx_agg_bd	*rx_agg_ring;
772 
773 	unsigned long		*rx_agg_bmap;
774 	u16			rx_agg_bmap_size;
775 
776 	struct page		*rx_page;
777 	unsigned int		rx_page_offset;
778 
779 	dma_addr_t		rx_desc_mapping[MAX_RX_PAGES];
780 	dma_addr_t		rx_agg_desc_mapping[MAX_RX_AGG_PAGES];
781 
782 	struct bnxt_tpa_info	*rx_tpa;
783 
784 	struct bnxt_ring_struct	rx_ring_struct;
785 	struct bnxt_ring_struct	rx_agg_ring_struct;
786 	struct xdp_rxq_info	xdp_rxq;
787 };
788 
789 struct bnxt_cp_ring_info {
790 	struct bnxt_napi	*bnapi;
791 	u32			cp_raw_cons;
792 	struct bnxt_db_info	cp_db;
793 
794 	struct bnxt_coal	rx_ring_coal;
795 	u64			rx_packets;
796 	u64			rx_bytes;
797 	u64			event_ctr;
798 
799 	struct net_dim		dim;
800 
801 	union {
802 		struct tx_cmp	*cp_desc_ring[MAX_CP_PAGES];
803 		struct nqe_cn	*nq_desc_ring[MAX_CP_PAGES];
804 	};
805 
806 	dma_addr_t		cp_desc_mapping[MAX_CP_PAGES];
807 
808 	struct ctx_hw_stats	*hw_stats;
809 	dma_addr_t		hw_stats_map;
810 	u32			hw_stats_ctx_id;
811 	u64			rx_l4_csum_errors;
812 
813 	struct bnxt_ring_struct	cp_ring_struct;
814 
815 	struct bnxt_cp_ring_info *cp_ring_arr[2];
816 #define BNXT_RX_HDL	0
817 #define BNXT_TX_HDL	1
818 };
819 
820 struct bnxt_napi {
821 	struct napi_struct	napi;
822 	struct bnxt		*bp;
823 
824 	int			index;
825 	struct bnxt_cp_ring_info	cp_ring;
826 	struct bnxt_rx_ring_info	*rx_ring;
827 	struct bnxt_tx_ring_info	*tx_ring;
828 
829 	void			(*tx_int)(struct bnxt *, struct bnxt_napi *,
830 					  int);
831 	u32			flags;
832 #define BNXT_NAPI_FLAG_XDP	0x1
833 
834 	bool			in_reset;
835 };
836 
837 struct bnxt_irq {
838 	irq_handler_t	handler;
839 	unsigned int	vector;
840 	u8		requested:1;
841 	u8		have_cpumask:1;
842 	char		name[IFNAMSIZ + 2];
843 	cpumask_var_t	cpu_mask;
844 };
845 
846 #define HWRM_RING_ALLOC_TX	0x1
847 #define HWRM_RING_ALLOC_RX	0x2
848 #define HWRM_RING_ALLOC_AGG	0x4
849 #define HWRM_RING_ALLOC_CMPL	0x8
850 #define HWRM_RING_ALLOC_NQ	0x10
851 
852 #define INVALID_STATS_CTX_ID	-1
853 
854 struct bnxt_ring_grp_info {
855 	u16	fw_stats_ctx;
856 	u16	fw_grp_id;
857 	u16	rx_fw_ring_id;
858 	u16	agg_fw_ring_id;
859 	u16	cp_fw_ring_id;
860 };
861 
862 struct bnxt_vnic_info {
863 	u16		fw_vnic_id; /* returned by Chimp during alloc */
864 #define BNXT_MAX_CTX_PER_VNIC	2
865 	u16		fw_rss_cos_lb_ctx[BNXT_MAX_CTX_PER_VNIC];
866 	u16		fw_l2_ctx_id;
867 #define BNXT_MAX_UC_ADDRS	4
868 	__le64		fw_l2_filter_id[BNXT_MAX_UC_ADDRS];
869 				/* index 0 always dev_addr */
870 	u16		uc_filter_count;
871 	u8		*uc_list;
872 
873 	u16		*fw_grp_ids;
874 	dma_addr_t	rss_table_dma_addr;
875 	__le16		*rss_table;
876 	dma_addr_t	rss_hash_key_dma_addr;
877 	u64		*rss_hash_key;
878 	u32		rx_mask;
879 
880 	u8		*mc_list;
881 	int		mc_list_size;
882 	int		mc_list_count;
883 	dma_addr_t	mc_list_mapping;
884 #define BNXT_MAX_MC_ADDRS	16
885 
886 	u32		flags;
887 #define BNXT_VNIC_RSS_FLAG	1
888 #define BNXT_VNIC_RFS_FLAG	2
889 #define BNXT_VNIC_MCAST_FLAG	4
890 #define BNXT_VNIC_UCAST_FLAG	8
891 #define BNXT_VNIC_RFS_NEW_RSS_FLAG	0x10
892 };
893 
894 struct bnxt_hw_resc {
895 	u16	min_rsscos_ctxs;
896 	u16	max_rsscos_ctxs;
897 	u16	min_cp_rings;
898 	u16	max_cp_rings;
899 	u16	resv_cp_rings;
900 	u16	min_tx_rings;
901 	u16	max_tx_rings;
902 	u16	resv_tx_rings;
903 	u16	max_tx_sch_inputs;
904 	u16	min_rx_rings;
905 	u16	max_rx_rings;
906 	u16	resv_rx_rings;
907 	u16	min_hw_ring_grps;
908 	u16	max_hw_ring_grps;
909 	u16	resv_hw_ring_grps;
910 	u16	min_l2_ctxs;
911 	u16	max_l2_ctxs;
912 	u16	min_vnics;
913 	u16	max_vnics;
914 	u16	resv_vnics;
915 	u16	min_stat_ctxs;
916 	u16	max_stat_ctxs;
917 	u16	max_irqs;
918 };
919 
920 #if defined(CONFIG_BNXT_SRIOV)
921 struct bnxt_vf_info {
922 	u16	fw_fid;
923 	u8	mac_addr[ETH_ALEN];	/* PF assigned MAC Address */
924 	u8	vf_mac_addr[ETH_ALEN];	/* VF assigned MAC address, only
925 					 * stored by PF.
926 					 */
927 	u16	vlan;
928 	u32	flags;
929 #define BNXT_VF_QOS		0x1
930 #define BNXT_VF_SPOOFCHK	0x2
931 #define BNXT_VF_LINK_FORCED	0x4
932 #define BNXT_VF_LINK_UP		0x8
933 #define BNXT_VF_TRUST		0x10
934 	u32	func_flags; /* func cfg flags */
935 	u32	min_tx_rate;
936 	u32	max_tx_rate;
937 	void	*hwrm_cmd_req_addr;
938 	dma_addr_t	hwrm_cmd_req_dma_addr;
939 };
940 #endif
941 
942 struct bnxt_pf_info {
943 #define BNXT_FIRST_PF_FID	1
944 #define BNXT_FIRST_VF_FID	128
945 	u16	fw_fid;
946 	u16	port_id;
947 	u8	mac_addr[ETH_ALEN];
948 	u32	first_vf_id;
949 	u16	active_vfs;
950 	u16	max_vfs;
951 	u32	max_encap_records;
952 	u32	max_decap_records;
953 	u32	max_tx_em_flows;
954 	u32	max_tx_wm_flows;
955 	u32	max_rx_em_flows;
956 	u32	max_rx_wm_flows;
957 	unsigned long	*vf_event_bmap;
958 	u16	hwrm_cmd_req_pages;
959 	u8	vf_resv_strategy;
960 #define BNXT_VF_RESV_STRATEGY_MAXIMAL	0
961 #define BNXT_VF_RESV_STRATEGY_MINIMAL	1
962 #define BNXT_VF_RESV_STRATEGY_MINIMAL_STATIC	2
963 	void			*hwrm_cmd_req_addr[4];
964 	dma_addr_t		hwrm_cmd_req_dma_addr[4];
965 	struct bnxt_vf_info	*vf;
966 };
967 
968 struct bnxt_ntuple_filter {
969 	struct hlist_node	hash;
970 	u8			dst_mac_addr[ETH_ALEN];
971 	u8			src_mac_addr[ETH_ALEN];
972 	struct flow_keys	fkeys;
973 	__le64			filter_id;
974 	u16			sw_id;
975 	u8			l2_fltr_idx;
976 	u16			rxq;
977 	u32			flow_id;
978 	unsigned long		state;
979 #define BNXT_FLTR_VALID		0
980 #define BNXT_FLTR_UPDATE	1
981 };
982 
983 struct bnxt_link_info {
984 	u8			phy_type;
985 	u8			media_type;
986 	u8			transceiver;
987 	u8			phy_addr;
988 	u8			phy_link_status;
989 #define BNXT_LINK_NO_LINK	PORT_PHY_QCFG_RESP_LINK_NO_LINK
990 #define BNXT_LINK_SIGNAL	PORT_PHY_QCFG_RESP_LINK_SIGNAL
991 #define BNXT_LINK_LINK		PORT_PHY_QCFG_RESP_LINK_LINK
992 	u8			wire_speed;
993 	u8			loop_back;
994 	u8			link_up;
995 	u8			duplex;
996 #define BNXT_LINK_DUPLEX_HALF	PORT_PHY_QCFG_RESP_DUPLEX_STATE_HALF
997 #define BNXT_LINK_DUPLEX_FULL	PORT_PHY_QCFG_RESP_DUPLEX_STATE_FULL
998 	u8			pause;
999 #define BNXT_LINK_PAUSE_TX	PORT_PHY_QCFG_RESP_PAUSE_TX
1000 #define BNXT_LINK_PAUSE_RX	PORT_PHY_QCFG_RESP_PAUSE_RX
1001 #define BNXT_LINK_PAUSE_BOTH	(PORT_PHY_QCFG_RESP_PAUSE_RX | \
1002 				 PORT_PHY_QCFG_RESP_PAUSE_TX)
1003 	u8			lp_pause;
1004 	u8			auto_pause_setting;
1005 	u8			force_pause_setting;
1006 	u8			duplex_setting;
1007 	u8			auto_mode;
1008 #define BNXT_AUTO_MODE(mode)	((mode) > BNXT_LINK_AUTO_NONE && \
1009 				 (mode) <= BNXT_LINK_AUTO_MSK)
1010 #define BNXT_LINK_AUTO_NONE     PORT_PHY_QCFG_RESP_AUTO_MODE_NONE
1011 #define BNXT_LINK_AUTO_ALLSPDS	PORT_PHY_QCFG_RESP_AUTO_MODE_ALL_SPEEDS
1012 #define BNXT_LINK_AUTO_ONESPD	PORT_PHY_QCFG_RESP_AUTO_MODE_ONE_SPEED
1013 #define BNXT_LINK_AUTO_ONEORBELOW PORT_PHY_QCFG_RESP_AUTO_MODE_ONE_OR_BELOW
1014 #define BNXT_LINK_AUTO_MSK	PORT_PHY_QCFG_RESP_AUTO_MODE_SPEED_MASK
1015 #define PHY_VER_LEN		3
1016 	u8			phy_ver[PHY_VER_LEN];
1017 	u16			link_speed;
1018 #define BNXT_LINK_SPEED_100MB	PORT_PHY_QCFG_RESP_LINK_SPEED_100MB
1019 #define BNXT_LINK_SPEED_1GB	PORT_PHY_QCFG_RESP_LINK_SPEED_1GB
1020 #define BNXT_LINK_SPEED_2GB	PORT_PHY_QCFG_RESP_LINK_SPEED_2GB
1021 #define BNXT_LINK_SPEED_2_5GB	PORT_PHY_QCFG_RESP_LINK_SPEED_2_5GB
1022 #define BNXT_LINK_SPEED_10GB	PORT_PHY_QCFG_RESP_LINK_SPEED_10GB
1023 #define BNXT_LINK_SPEED_20GB	PORT_PHY_QCFG_RESP_LINK_SPEED_20GB
1024 #define BNXT_LINK_SPEED_25GB	PORT_PHY_QCFG_RESP_LINK_SPEED_25GB
1025 #define BNXT_LINK_SPEED_40GB	PORT_PHY_QCFG_RESP_LINK_SPEED_40GB
1026 #define BNXT_LINK_SPEED_50GB	PORT_PHY_QCFG_RESP_LINK_SPEED_50GB
1027 #define BNXT_LINK_SPEED_100GB	PORT_PHY_QCFG_RESP_LINK_SPEED_100GB
1028 	u16			support_speeds;
1029 	u16			auto_link_speeds;	/* fw adv setting */
1030 #define BNXT_LINK_SPEED_MSK_100MB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_100MB
1031 #define BNXT_LINK_SPEED_MSK_1GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_1GB
1032 #define BNXT_LINK_SPEED_MSK_2GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_2GB
1033 #define BNXT_LINK_SPEED_MSK_10GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_10GB
1034 #define BNXT_LINK_SPEED_MSK_2_5GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_2_5GB
1035 #define BNXT_LINK_SPEED_MSK_20GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_20GB
1036 #define BNXT_LINK_SPEED_MSK_25GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_25GB
1037 #define BNXT_LINK_SPEED_MSK_40GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_40GB
1038 #define BNXT_LINK_SPEED_MSK_50GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_50GB
1039 #define BNXT_LINK_SPEED_MSK_100GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_100GB
1040 	u16			support_auto_speeds;
1041 	u16			lp_auto_link_speeds;
1042 	u16			force_link_speed;
1043 	u32			preemphasis;
1044 	u8			module_status;
1045 	u16			fec_cfg;
1046 #define BNXT_FEC_AUTONEG	PORT_PHY_QCFG_RESP_FEC_CFG_FEC_AUTONEG_ENABLED
1047 #define BNXT_FEC_ENC_BASE_R	PORT_PHY_QCFG_RESP_FEC_CFG_FEC_CLAUSE74_ENABLED
1048 #define BNXT_FEC_ENC_RS		PORT_PHY_QCFG_RESP_FEC_CFG_FEC_CLAUSE91_ENABLED
1049 
1050 	/* copy of requested setting from ethtool cmd */
1051 	u8			autoneg;
1052 #define BNXT_AUTONEG_SPEED		1
1053 #define BNXT_AUTONEG_FLOW_CTRL		2
1054 	u8			req_duplex;
1055 	u8			req_flow_ctrl;
1056 	u16			req_link_speed;
1057 	u16			advertising;	/* user adv setting */
1058 	bool			force_link_chng;
1059 
1060 	bool			phy_retry;
1061 	unsigned long		phy_retry_expires;
1062 
1063 	/* a copy of phy_qcfg output used to report link
1064 	 * info to VF
1065 	 */
1066 	struct hwrm_port_phy_qcfg_output phy_qcfg_resp;
1067 };
1068 
1069 #define BNXT_MAX_QUEUE	8
1070 
1071 struct bnxt_queue_info {
1072 	u8	queue_id;
1073 	u8	queue_profile;
1074 };
1075 
1076 #define BNXT_MAX_LED			4
1077 
1078 struct bnxt_led_info {
1079 	u8	led_id;
1080 	u8	led_type;
1081 	u8	led_group_id;
1082 	u8	unused;
1083 	__le16	led_state_caps;
1084 #define BNXT_LED_ALT_BLINK_CAP(x)	((x) &	\
1085 	cpu_to_le16(PORT_LED_QCAPS_RESP_LED0_STATE_CAPS_BLINK_ALT_SUPPORTED))
1086 
1087 	__le16	led_color_caps;
1088 };
1089 
1090 #define BNXT_MAX_TEST	8
1091 
1092 struct bnxt_test_info {
1093 	u8 offline_mask;
1094 	u8 flags;
1095 #define BNXT_TEST_FL_EXT_LPBK	0x1
1096 	u16 timeout;
1097 	char string[BNXT_MAX_TEST][ETH_GSTRING_LEN];
1098 };
1099 
1100 #define BNXT_GRCPF_REG_WINDOW_BASE_OUT	0x400
1101 #define BNXT_CAG_REG_LEGACY_INT_STATUS	0x4014
1102 #define BNXT_CAG_REG_BASE		0x300000
1103 
1104 struct bnxt_tc_flow_stats {
1105 	u64		packets;
1106 	u64		bytes;
1107 };
1108 
1109 struct bnxt_tc_info {
1110 	bool				enabled;
1111 
1112 	/* hash table to store TC offloaded flows */
1113 	struct rhashtable		flow_table;
1114 	struct rhashtable_params	flow_ht_params;
1115 
1116 	/* hash table to store L2 keys of TC flows */
1117 	struct rhashtable		l2_table;
1118 	struct rhashtable_params	l2_ht_params;
1119 	/* hash table to store L2 keys for TC tunnel decap */
1120 	struct rhashtable		decap_l2_table;
1121 	struct rhashtable_params	decap_l2_ht_params;
1122 	/* hash table to store tunnel decap entries */
1123 	struct rhashtable		decap_table;
1124 	struct rhashtable_params	decap_ht_params;
1125 	/* hash table to store tunnel encap entries */
1126 	struct rhashtable		encap_table;
1127 	struct rhashtable_params	encap_ht_params;
1128 
1129 	/* lock to atomically add/del an l2 node when a flow is
1130 	 * added or deleted.
1131 	 */
1132 	struct mutex			lock;
1133 
1134 	/* Fields used for batching stats query */
1135 	struct rhashtable_iter		iter;
1136 #define BNXT_FLOW_STATS_BATCH_MAX	10
1137 	struct bnxt_tc_stats_batch {
1138 		void			  *flow_node;
1139 		struct bnxt_tc_flow_stats hw_stats;
1140 	} stats_batch[BNXT_FLOW_STATS_BATCH_MAX];
1141 
1142 	/* Stat counter mask (width) */
1143 	u64				bytes_mask;
1144 	u64				packets_mask;
1145 };
1146 
1147 struct bnxt_vf_rep_stats {
1148 	u64			packets;
1149 	u64			bytes;
1150 	u64			dropped;
1151 };
1152 
1153 struct bnxt_vf_rep {
1154 	struct bnxt			*bp;
1155 	struct net_device		*dev;
1156 	struct metadata_dst		*dst;
1157 	u16				vf_idx;
1158 	u16				tx_cfa_action;
1159 	u16				rx_cfa_code;
1160 
1161 	struct bnxt_vf_rep_stats	rx_stats;
1162 	struct bnxt_vf_rep_stats	tx_stats;
1163 };
1164 
1165 #define PTU_PTE_VALID             0x1UL
1166 #define PTU_PTE_LAST              0x2UL
1167 #define PTU_PTE_NEXT_TO_LAST      0x4UL
1168 
1169 #define MAX_CTX_PAGES	(BNXT_PAGE_SIZE / 8)
1170 
1171 struct bnxt_ctx_pg_info {
1172 	u32		entries;
1173 	void		*ctx_pg_arr[MAX_CTX_PAGES];
1174 	dma_addr_t	ctx_dma_arr[MAX_CTX_PAGES];
1175 	struct bnxt_ring_mem_info ring_mem;
1176 };
1177 
1178 struct bnxt_ctx_mem_info {
1179 	u32	qp_max_entries;
1180 	u16	qp_min_qp1_entries;
1181 	u16	qp_max_l2_entries;
1182 	u16	qp_entry_size;
1183 	u16	srq_max_l2_entries;
1184 	u32	srq_max_entries;
1185 	u16	srq_entry_size;
1186 	u16	cq_max_l2_entries;
1187 	u32	cq_max_entries;
1188 	u16	cq_entry_size;
1189 	u16	vnic_max_vnic_entries;
1190 	u16	vnic_max_ring_table_entries;
1191 	u16	vnic_entry_size;
1192 	u32	stat_max_entries;
1193 	u16	stat_entry_size;
1194 	u16	tqm_entry_size;
1195 	u32	tqm_min_entries_per_ring;
1196 	u32	tqm_max_entries_per_ring;
1197 	u32	mrav_max_entries;
1198 	u16	mrav_entry_size;
1199 	u16	tim_entry_size;
1200 	u32	tim_max_entries;
1201 	u8	tqm_entries_multiple;
1202 
1203 	u32	flags;
1204 	#define BNXT_CTX_FLAG_INITED	0x01
1205 
1206 	struct bnxt_ctx_pg_info qp_mem;
1207 	struct bnxt_ctx_pg_info srq_mem;
1208 	struct bnxt_ctx_pg_info cq_mem;
1209 	struct bnxt_ctx_pg_info vnic_mem;
1210 	struct bnxt_ctx_pg_info stat_mem;
1211 	struct bnxt_ctx_pg_info *tqm_mem[9];
1212 };
1213 
1214 struct bnxt {
1215 	void __iomem		*bar0;
1216 	void __iomem		*bar1;
1217 	void __iomem		*bar2;
1218 
1219 	u32			reg_base;
1220 	u16			chip_num;
1221 #define CHIP_NUM_57301		0x16c8
1222 #define CHIP_NUM_57302		0x16c9
1223 #define CHIP_NUM_57304		0x16ca
1224 #define CHIP_NUM_58700		0x16cd
1225 #define CHIP_NUM_57402		0x16d0
1226 #define CHIP_NUM_57404		0x16d1
1227 #define CHIP_NUM_57406		0x16d2
1228 #define CHIP_NUM_57407		0x16d5
1229 
1230 #define CHIP_NUM_57311		0x16ce
1231 #define CHIP_NUM_57312		0x16cf
1232 #define CHIP_NUM_57314		0x16df
1233 #define CHIP_NUM_57317		0x16e0
1234 #define CHIP_NUM_57412		0x16d6
1235 #define CHIP_NUM_57414		0x16d7
1236 #define CHIP_NUM_57416		0x16d8
1237 #define CHIP_NUM_57417		0x16d9
1238 #define CHIP_NUM_57412L		0x16da
1239 #define CHIP_NUM_57414L		0x16db
1240 
1241 #define CHIP_NUM_5745X		0xd730
1242 
1243 #define CHIP_NUM_57500		0x1750
1244 
1245 #define CHIP_NUM_58802		0xd802
1246 #define CHIP_NUM_58804		0xd804
1247 #define CHIP_NUM_58808		0xd808
1248 
1249 #define BNXT_CHIP_NUM_5730X(chip_num)		\
1250 	((chip_num) >= CHIP_NUM_57301 &&	\
1251 	 (chip_num) <= CHIP_NUM_57304)
1252 
1253 #define BNXT_CHIP_NUM_5740X(chip_num)		\
1254 	(((chip_num) >= CHIP_NUM_57402 &&	\
1255 	  (chip_num) <= CHIP_NUM_57406) ||	\
1256 	 (chip_num) == CHIP_NUM_57407)
1257 
1258 #define BNXT_CHIP_NUM_5731X(chip_num)		\
1259 	((chip_num) == CHIP_NUM_57311 ||	\
1260 	 (chip_num) == CHIP_NUM_57312 ||	\
1261 	 (chip_num) == CHIP_NUM_57314 ||	\
1262 	 (chip_num) == CHIP_NUM_57317)
1263 
1264 #define BNXT_CHIP_NUM_5741X(chip_num)		\
1265 	((chip_num) >= CHIP_NUM_57412 &&	\
1266 	 (chip_num) <= CHIP_NUM_57414L)
1267 
1268 #define BNXT_CHIP_NUM_58700(chip_num)		\
1269 	 ((chip_num) == CHIP_NUM_58700)
1270 
1271 #define BNXT_CHIP_NUM_5745X(chip_num)		\
1272 	 ((chip_num) == CHIP_NUM_5745X)
1273 
1274 #define BNXT_CHIP_NUM_57X0X(chip_num)		\
1275 	(BNXT_CHIP_NUM_5730X(chip_num) || BNXT_CHIP_NUM_5740X(chip_num))
1276 
1277 #define BNXT_CHIP_NUM_57X1X(chip_num)		\
1278 	(BNXT_CHIP_NUM_5731X(chip_num) || BNXT_CHIP_NUM_5741X(chip_num))
1279 
1280 #define BNXT_CHIP_NUM_588XX(chip_num)		\
1281 	((chip_num) == CHIP_NUM_58802 ||	\
1282 	 (chip_num) == CHIP_NUM_58804 ||        \
1283 	 (chip_num) == CHIP_NUM_58808)
1284 
1285 	struct net_device	*dev;
1286 	struct pci_dev		*pdev;
1287 
1288 	atomic_t		intr_sem;
1289 
1290 	u32			flags;
1291 	#define BNXT_FLAG_CHIP_P5	0x1
1292 	#define BNXT_FLAG_VF		0x2
1293 	#define BNXT_FLAG_LRO		0x4
1294 #ifdef CONFIG_INET
1295 	#define BNXT_FLAG_GRO		0x8
1296 #else
1297 	/* Cannot support hardware GRO if CONFIG_INET is not set */
1298 	#define BNXT_FLAG_GRO		0x0
1299 #endif
1300 	#define BNXT_FLAG_TPA		(BNXT_FLAG_LRO | BNXT_FLAG_GRO)
1301 	#define BNXT_FLAG_JUMBO		0x10
1302 	#define BNXT_FLAG_STRIP_VLAN	0x20
1303 	#define BNXT_FLAG_AGG_RINGS	(BNXT_FLAG_JUMBO | BNXT_FLAG_GRO | \
1304 					 BNXT_FLAG_LRO)
1305 	#define BNXT_FLAG_USING_MSIX	0x40
1306 	#define BNXT_FLAG_MSIX_CAP	0x80
1307 	#define BNXT_FLAG_RFS		0x100
1308 	#define BNXT_FLAG_SHARED_RINGS	0x200
1309 	#define BNXT_FLAG_PORT_STATS	0x400
1310 	#define BNXT_FLAG_UDP_RSS_CAP	0x800
1311 	#define BNXT_FLAG_EEE_CAP	0x1000
1312 	#define BNXT_FLAG_NEW_RSS_CAP	0x2000
1313 	#define BNXT_FLAG_WOL_CAP	0x4000
1314 	#define BNXT_FLAG_ROCEV1_CAP	0x8000
1315 	#define BNXT_FLAG_ROCEV2_CAP	0x10000
1316 	#define BNXT_FLAG_ROCE_CAP	(BNXT_FLAG_ROCEV1_CAP |	\
1317 					 BNXT_FLAG_ROCEV2_CAP)
1318 	#define BNXT_FLAG_NO_AGG_RINGS	0x20000
1319 	#define BNXT_FLAG_RX_PAGE_MODE	0x40000
1320 	#define BNXT_FLAG_MULTI_HOST	0x100000
1321 	#define BNXT_FLAG_DOUBLE_DB	0x400000
1322 	#define BNXT_FLAG_CHIP_NITRO_A0	0x1000000
1323 	#define BNXT_FLAG_DIM		0x2000000
1324 	#define BNXT_FLAG_ROCE_MIRROR_CAP	0x4000000
1325 	#define BNXT_FLAG_PORT_STATS_EXT	0x10000000
1326 
1327 	#define BNXT_FLAG_ALL_CONFIG_FEATS (BNXT_FLAG_TPA |		\
1328 					    BNXT_FLAG_RFS |		\
1329 					    BNXT_FLAG_STRIP_VLAN)
1330 
1331 #define BNXT_PF(bp)		(!((bp)->flags & BNXT_FLAG_VF))
1332 #define BNXT_VF(bp)		((bp)->flags & BNXT_FLAG_VF)
1333 #define BNXT_NPAR(bp)		((bp)->port_partition_type)
1334 #define BNXT_MH(bp)		((bp)->flags & BNXT_FLAG_MULTI_HOST)
1335 #define BNXT_SINGLE_PF(bp)	(BNXT_PF(bp) && !BNXT_NPAR(bp) && !BNXT_MH(bp))
1336 #define BNXT_CHIP_TYPE_NITRO_A0(bp) ((bp)->flags & BNXT_FLAG_CHIP_NITRO_A0)
1337 #define BNXT_RX_PAGE_MODE(bp)	((bp)->flags & BNXT_FLAG_RX_PAGE_MODE)
1338 #define BNXT_SUPPORTS_TPA(bp)	(!BNXT_CHIP_TYPE_NITRO_A0(bp) &&	\
1339 				 !(bp->flags & BNXT_FLAG_CHIP_P5))
1340 
1341 /* Chip class phase 5 */
1342 #define BNXT_CHIP_P5(bp)			\
1343 	((bp)->chip_num == CHIP_NUM_57500)
1344 
1345 /* Chip class phase 4.x */
1346 #define BNXT_CHIP_P4(bp)			\
1347 	(BNXT_CHIP_NUM_57X1X((bp)->chip_num) ||	\
1348 	 BNXT_CHIP_NUM_5745X((bp)->chip_num) ||	\
1349 	 BNXT_CHIP_NUM_588XX((bp)->chip_num) ||	\
1350 	 (BNXT_CHIP_NUM_58700((bp)->chip_num) &&	\
1351 	  !BNXT_CHIP_TYPE_NITRO_A0(bp)))
1352 
1353 #define BNXT_CHIP_P4_PLUS(bp)			\
1354 	(BNXT_CHIP_P4(bp) || BNXT_CHIP_P5(bp))
1355 
1356 	struct bnxt_en_dev	*edev;
1357 	struct bnxt_en_dev *	(*ulp_probe)(struct net_device *);
1358 
1359 	struct bnxt_napi	**bnapi;
1360 
1361 	struct bnxt_rx_ring_info	*rx_ring;
1362 	struct bnxt_tx_ring_info	*tx_ring;
1363 	u16			*tx_ring_map;
1364 
1365 	struct sk_buff *	(*gro_func)(struct bnxt_tpa_info *, int, int,
1366 					    struct sk_buff *);
1367 
1368 	struct sk_buff *	(*rx_skb_func)(struct bnxt *,
1369 					       struct bnxt_rx_ring_info *,
1370 					       u16, void *, u8 *, dma_addr_t,
1371 					       unsigned int);
1372 
1373 	u32			rx_buf_size;
1374 	u32			rx_buf_use_size;	/* useable size */
1375 	u16			rx_offset;
1376 	u16			rx_dma_offset;
1377 	enum dma_data_direction	rx_dir;
1378 	u32			rx_ring_size;
1379 	u32			rx_agg_ring_size;
1380 	u32			rx_copy_thresh;
1381 	u32			rx_ring_mask;
1382 	u32			rx_agg_ring_mask;
1383 	int			rx_nr_pages;
1384 	int			rx_agg_nr_pages;
1385 	int			rx_nr_rings;
1386 	int			rsscos_nr_ctxs;
1387 
1388 	u32			tx_ring_size;
1389 	u32			tx_ring_mask;
1390 	int			tx_nr_pages;
1391 	int			tx_nr_rings;
1392 	int			tx_nr_rings_per_tc;
1393 	int			tx_nr_rings_xdp;
1394 
1395 	int			tx_wake_thresh;
1396 	int			tx_push_thresh;
1397 	int			tx_push_size;
1398 
1399 	u32			cp_ring_size;
1400 	u32			cp_ring_mask;
1401 	u32			cp_bit;
1402 	int			cp_nr_pages;
1403 	int			cp_nr_rings;
1404 
1405 	int			num_stat_ctxs;
1406 
1407 	/* grp_info indexed by completion ring index */
1408 	struct bnxt_ring_grp_info	*grp_info;
1409 	struct bnxt_vnic_info	*vnic_info;
1410 	int			nr_vnics;
1411 	u32			rss_hash_cfg;
1412 
1413 	u16			max_mtu;
1414 	u8			max_tc;
1415 	u8			max_lltc;	/* lossless TCs */
1416 	struct bnxt_queue_info	q_info[BNXT_MAX_QUEUE];
1417 	u8			tc_to_qidx[BNXT_MAX_QUEUE];
1418 	u8			q_ids[BNXT_MAX_QUEUE];
1419 	u8			max_q;
1420 
1421 	unsigned int		current_interval;
1422 #define BNXT_TIMER_INTERVAL	HZ
1423 
1424 	struct timer_list	timer;
1425 
1426 	unsigned long		state;
1427 #define BNXT_STATE_OPEN		0
1428 #define BNXT_STATE_IN_SP_TASK	1
1429 #define BNXT_STATE_READ_STATS	2
1430 
1431 	struct bnxt_irq	*irq_tbl;
1432 	int			total_irqs;
1433 	u8			mac_addr[ETH_ALEN];
1434 
1435 #ifdef CONFIG_BNXT_DCB
1436 	struct ieee_pfc		*ieee_pfc;
1437 	struct ieee_ets		*ieee_ets;
1438 	u8			dcbx_cap;
1439 	u8			default_pri;
1440 	u8			max_dscp_value;
1441 #endif /* CONFIG_BNXT_DCB */
1442 
1443 	u32			msg_enable;
1444 
1445 	u32			fw_cap;
1446 	#define BNXT_FW_CAP_SHORT_CMD	0x00000001
1447 	#define BNXT_FW_CAP_LLDP_AGENT	0x00000002
1448 	#define BNXT_FW_CAP_DCBX_AGENT	0x00000004
1449 	#define BNXT_FW_CAP_NEW_RM	0x00000008
1450 	#define BNXT_FW_CAP_IF_CHANGE	0x00000010
1451 
1452 #define BNXT_NEW_RM(bp)		((bp)->fw_cap & BNXT_FW_CAP_NEW_RM)
1453 	u32			hwrm_spec_code;
1454 	u16			hwrm_cmd_seq;
1455 	u32			hwrm_intr_seq_id;
1456 	void			*hwrm_short_cmd_req_addr;
1457 	dma_addr_t		hwrm_short_cmd_req_dma_addr;
1458 	void			*hwrm_cmd_resp_addr;
1459 	dma_addr_t		hwrm_cmd_resp_dma_addr;
1460 
1461 	struct rx_port_stats	*hw_rx_port_stats;
1462 	struct tx_port_stats	*hw_tx_port_stats;
1463 	struct rx_port_stats_ext	*hw_rx_port_stats_ext;
1464 	struct rx_port_stats_ext	*hw_tx_port_stats_ext;
1465 	dma_addr_t		hw_rx_port_stats_map;
1466 	dma_addr_t		hw_tx_port_stats_map;
1467 	dma_addr_t		hw_rx_port_stats_ext_map;
1468 	dma_addr_t		hw_tx_port_stats_ext_map;
1469 	int			hw_port_stats_size;
1470 	u16			fw_rx_stats_ext_size;
1471 	u16			fw_tx_stats_ext_size;
1472 
1473 	u16			hwrm_max_req_len;
1474 	u16			hwrm_max_ext_req_len;
1475 	int			hwrm_cmd_timeout;
1476 	struct mutex		hwrm_cmd_lock;	/* serialize hwrm messages */
1477 	struct hwrm_ver_get_output	ver_resp;
1478 #define FW_VER_STR_LEN		32
1479 #define BC_HWRM_STR_LEN		21
1480 #define PHY_VER_STR_LEN         (FW_VER_STR_LEN - BC_HWRM_STR_LEN)
1481 	char			fw_ver_str[FW_VER_STR_LEN];
1482 	__be16			vxlan_port;
1483 	u8			vxlan_port_cnt;
1484 	__le16			vxlan_fw_dst_port_id;
1485 	__be16			nge_port;
1486 	u8			nge_port_cnt;
1487 	__le16			nge_fw_dst_port_id;
1488 	u8			port_partition_type;
1489 	u8			port_count;
1490 	u16			br_mode;
1491 
1492 	struct bnxt_coal_cap	coal_cap;
1493 	struct bnxt_coal	rx_coal;
1494 	struct bnxt_coal	tx_coal;
1495 
1496 	u32			stats_coal_ticks;
1497 #define BNXT_DEF_STATS_COAL_TICKS	 1000000
1498 #define BNXT_MIN_STATS_COAL_TICKS	  250000
1499 #define BNXT_MAX_STATS_COAL_TICKS	 1000000
1500 
1501 	struct work_struct	sp_task;
1502 	unsigned long		sp_event;
1503 #define BNXT_RX_MASK_SP_EVENT		0
1504 #define BNXT_RX_NTP_FLTR_SP_EVENT	1
1505 #define BNXT_LINK_CHNG_SP_EVENT		2
1506 #define BNXT_HWRM_EXEC_FWD_REQ_SP_EVENT	3
1507 #define BNXT_VXLAN_ADD_PORT_SP_EVENT	4
1508 #define BNXT_VXLAN_DEL_PORT_SP_EVENT	5
1509 #define BNXT_RESET_TASK_SP_EVENT	6
1510 #define BNXT_RST_RING_SP_EVENT		7
1511 #define BNXT_HWRM_PF_UNLOAD_SP_EVENT	8
1512 #define BNXT_PERIODIC_STATS_SP_EVENT	9
1513 #define BNXT_HWRM_PORT_MODULE_SP_EVENT	10
1514 #define BNXT_RESET_TASK_SILENT_SP_EVENT	11
1515 #define BNXT_GENEVE_ADD_PORT_SP_EVENT	12
1516 #define BNXT_GENEVE_DEL_PORT_SP_EVENT	13
1517 #define BNXT_LINK_SPEED_CHNG_SP_EVENT	14
1518 #define BNXT_FLOW_STATS_SP_EVENT	15
1519 #define BNXT_UPDATE_PHY_SP_EVENT	16
1520 
1521 	struct bnxt_hw_resc	hw_resc;
1522 	struct bnxt_pf_info	pf;
1523 	struct bnxt_ctx_mem_info	*ctx;
1524 #ifdef CONFIG_BNXT_SRIOV
1525 	int			nr_vfs;
1526 	struct bnxt_vf_info	vf;
1527 	wait_queue_head_t	sriov_cfg_wait;
1528 	bool			sriov_cfg;
1529 #define BNXT_SRIOV_CFG_WAIT_TMO	msecs_to_jiffies(10000)
1530 
1531 	/* lock to protect VF-rep creation/cleanup via
1532 	 * multiple paths such as ->sriov_configure() and
1533 	 * devlink ->eswitch_mode_set()
1534 	 */
1535 	struct mutex		sriov_lock;
1536 #endif
1537 
1538 #if BITS_PER_LONG == 32
1539 	/* ensure atomic 64-bit doorbell writes on 32-bit systems. */
1540 	spinlock_t		db_lock;
1541 #endif
1542 
1543 #define BNXT_NTP_FLTR_MAX_FLTR	4096
1544 #define BNXT_NTP_FLTR_HASH_SIZE	512
1545 #define BNXT_NTP_FLTR_HASH_MASK	(BNXT_NTP_FLTR_HASH_SIZE - 1)
1546 	struct hlist_head	ntp_fltr_hash_tbl[BNXT_NTP_FLTR_HASH_SIZE];
1547 	spinlock_t		ntp_fltr_lock;	/* for hash table add, del */
1548 
1549 	unsigned long		*ntp_fltr_bmap;
1550 	int			ntp_fltr_count;
1551 
1552 	/* To protect link related settings during link changes and
1553 	 * ethtool settings changes.
1554 	 */
1555 	struct mutex		link_lock;
1556 	struct bnxt_link_info	link_info;
1557 	struct ethtool_eee	eee;
1558 	u32			lpi_tmr_lo;
1559 	u32			lpi_tmr_hi;
1560 
1561 	u8			num_tests;
1562 	struct bnxt_test_info	*test_info;
1563 
1564 	u8			wol_filter_id;
1565 	u8			wol;
1566 
1567 	u8			num_leds;
1568 	struct bnxt_led_info	leds[BNXT_MAX_LED];
1569 
1570 	struct bpf_prog		*xdp_prog;
1571 
1572 	/* devlink interface and vf-rep structs */
1573 	struct devlink		*dl;
1574 	enum devlink_eswitch_mode eswitch_mode;
1575 	struct bnxt_vf_rep	**vf_reps; /* array of vf-rep ptrs */
1576 	u16			*cfa_code_map; /* cfa_code -> vf_idx map */
1577 	u8			switch_id[8];
1578 	struct bnxt_tc_info	*tc_info;
1579 	struct dentry		*debugfs_pdev;
1580 	struct dentry		*debugfs_dim;
1581 	struct device		*hwmon_dev;
1582 };
1583 
1584 #define BNXT_RX_STATS_OFFSET(counter)			\
1585 	(offsetof(struct rx_port_stats, counter) / 8)
1586 
1587 #define BNXT_TX_STATS_OFFSET(counter)			\
1588 	((offsetof(struct tx_port_stats, counter) +	\
1589 	  sizeof(struct rx_port_stats) + 512) / 8)
1590 
1591 #define BNXT_RX_STATS_EXT_OFFSET(counter)		\
1592 	(offsetof(struct rx_port_stats_ext, counter) / 8)
1593 
1594 #define BNXT_TX_STATS_EXT_OFFSET(counter)		\
1595 	(offsetof(struct tx_port_stats_ext, counter) / 8)
1596 
1597 #define I2C_DEV_ADDR_A0				0xa0
1598 #define I2C_DEV_ADDR_A2				0xa2
1599 #define SFF_DIAG_SUPPORT_OFFSET			0x5c
1600 #define SFF_MODULE_ID_SFP			0x3
1601 #define SFF_MODULE_ID_QSFP			0xc
1602 #define SFF_MODULE_ID_QSFP_PLUS			0xd
1603 #define SFF_MODULE_ID_QSFP28			0x11
1604 #define BNXT_MAX_PHY_I2C_RESP_SIZE		64
1605 
1606 static inline u32 bnxt_tx_avail(struct bnxt *bp, struct bnxt_tx_ring_info *txr)
1607 {
1608 	/* Tell compiler to fetch tx indices from memory. */
1609 	barrier();
1610 
1611 	return bp->tx_ring_size -
1612 		((txr->tx_prod - txr->tx_cons) & bp->tx_ring_mask);
1613 }
1614 
1615 #if BITS_PER_LONG == 32
1616 #define writeq(val64, db)			\
1617 do {						\
1618 	spin_lock(&bp->db_lock);		\
1619 	writel((val64) & 0xffffffff, db);	\
1620 	writel((val64) >> 32, (db) + 4);	\
1621 	spin_unlock(&bp->db_lock);		\
1622 } while (0)
1623 
1624 #define writeq_relaxed writeq
1625 #endif
1626 
1627 /* For TX and RX ring doorbells with no ordering guarantee*/
1628 static inline void bnxt_db_write_relaxed(struct bnxt *bp,
1629 					 struct bnxt_db_info *db, u32 idx)
1630 {
1631 	if (bp->flags & BNXT_FLAG_CHIP_P5) {
1632 		writeq_relaxed(db->db_key64 | idx, db->doorbell);
1633 	} else {
1634 		u32 db_val = db->db_key32 | idx;
1635 
1636 		writel_relaxed(db_val, db->doorbell);
1637 		if (bp->flags & BNXT_FLAG_DOUBLE_DB)
1638 			writel_relaxed(db_val, db->doorbell);
1639 	}
1640 }
1641 
1642 /* For TX and RX ring doorbells */
1643 static inline void bnxt_db_write(struct bnxt *bp, struct bnxt_db_info *db,
1644 				 u32 idx)
1645 {
1646 	if (bp->flags & BNXT_FLAG_CHIP_P5) {
1647 		writeq(db->db_key64 | idx, db->doorbell);
1648 	} else {
1649 		u32 db_val = db->db_key32 | idx;
1650 
1651 		writel(db_val, db->doorbell);
1652 		if (bp->flags & BNXT_FLAG_DOUBLE_DB)
1653 			writel(db_val, db->doorbell);
1654 	}
1655 }
1656 
1657 extern const u16 bnxt_lhint_arr[];
1658 
1659 int bnxt_alloc_rx_data(struct bnxt *bp, struct bnxt_rx_ring_info *rxr,
1660 		       u16 prod, gfp_t gfp);
1661 void bnxt_reuse_rx_data(struct bnxt_rx_ring_info *rxr, u16 cons, void *data);
1662 void bnxt_set_tpa_flags(struct bnxt *bp);
1663 void bnxt_set_ring_params(struct bnxt *);
1664 int bnxt_set_rx_skb_mode(struct bnxt *bp, bool page_mode);
1665 void bnxt_hwrm_cmd_hdr_init(struct bnxt *, void *, u16, u16, u16);
1666 int _hwrm_send_message(struct bnxt *, void *, u32, int);
1667 int _hwrm_send_message_silent(struct bnxt *bp, void *msg, u32 len, int timeout);
1668 int hwrm_send_message(struct bnxt *, void *, u32, int);
1669 int hwrm_send_message_silent(struct bnxt *, void *, u32, int);
1670 int bnxt_hwrm_func_rgtr_async_events(struct bnxt *bp, unsigned long *bmap,
1671 				     int bmap_size);
1672 int bnxt_hwrm_vnic_cfg(struct bnxt *bp, u16 vnic_id);
1673 int __bnxt_hwrm_get_tx_rings(struct bnxt *bp, u16 fid, int *tx_rings);
1674 int bnxt_hwrm_set_coal(struct bnxt *);
1675 unsigned int bnxt_get_max_func_stat_ctxs(struct bnxt *bp);
1676 void bnxt_set_max_func_stat_ctxs(struct bnxt *bp, unsigned int max);
1677 unsigned int bnxt_get_max_func_cp_rings(struct bnxt *bp);
1678 unsigned int bnxt_get_max_func_cp_rings_for_en(struct bnxt *bp);
1679 int bnxt_get_avail_msix(struct bnxt *bp, int num);
1680 int bnxt_reserve_rings(struct bnxt *bp);
1681 void bnxt_tx_disable(struct bnxt *bp);
1682 void bnxt_tx_enable(struct bnxt *bp);
1683 int bnxt_hwrm_set_pause(struct bnxt *);
1684 int bnxt_hwrm_set_link_setting(struct bnxt *, bool, bool);
1685 int bnxt_hwrm_alloc_wol_fltr(struct bnxt *bp);
1686 int bnxt_hwrm_free_wol_fltr(struct bnxt *bp);
1687 int bnxt_hwrm_func_resc_qcaps(struct bnxt *bp, bool all);
1688 int bnxt_hwrm_fw_set_time(struct bnxt *);
1689 int bnxt_open_nic(struct bnxt *, bool, bool);
1690 int bnxt_half_open_nic(struct bnxt *bp);
1691 void bnxt_half_close_nic(struct bnxt *bp);
1692 int bnxt_close_nic(struct bnxt *, bool, bool);
1693 int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs,
1694 		     int tx_xdp);
1695 int bnxt_setup_mq_tc(struct net_device *dev, u8 tc);
1696 int bnxt_get_max_rings(struct bnxt *, int *, int *, bool);
1697 int bnxt_restore_pf_fw_resources(struct bnxt *bp);
1698 int bnxt_port_attr_get(struct bnxt *bp, struct switchdev_attr *attr);
1699 void bnxt_dim_work(struct work_struct *work);
1700 int bnxt_hwrm_set_ring_coal(struct bnxt *bp, struct bnxt_napi *bnapi);
1701 
1702 #endif
1703