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scsi: qedi: Fix return code in qedi_ep_connect()
[karo-tx-linux.git] / drivers / net / ethernet / broadcom / bnxt / bnxt.h
1 /* Broadcom NetXtreme-C/E network driver.
2  *
3  * Copyright (c) 2014-2016 Broadcom Corporation
4  * Copyright (c) 2016-2017 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      "1.7.0"
16
17 #define DRV_VER_MAJ     1
18 #define DRV_VER_MIN     7
19 #define DRV_VER_UPD     0
20
21 #include <linux/interrupt.h>
22
23 struct tx_bd {
24         __le32 tx_bd_len_flags_type;
25         #define TX_BD_TYPE                                      (0x3f << 0)
26          #define TX_BD_TYPE_SHORT_TX_BD                          (0x00 << 0)
27          #define TX_BD_TYPE_LONG_TX_BD                           (0x10 << 0)
28         #define TX_BD_FLAGS_PACKET_END                          (1 << 6)
29         #define TX_BD_FLAGS_NO_CMPL                             (1 << 7)
30         #define TX_BD_FLAGS_BD_CNT                              (0x1f << 8)
31          #define TX_BD_FLAGS_BD_CNT_SHIFT                        8
32         #define TX_BD_FLAGS_LHINT                               (3 << 13)
33          #define TX_BD_FLAGS_LHINT_SHIFT                         13
34          #define TX_BD_FLAGS_LHINT_512_AND_SMALLER               (0 << 13)
35          #define TX_BD_FLAGS_LHINT_512_TO_1023                   (1 << 13)
36          #define TX_BD_FLAGS_LHINT_1024_TO_2047                  (2 << 13)
37          #define TX_BD_FLAGS_LHINT_2048_AND_LARGER               (3 << 13)
38         #define TX_BD_FLAGS_COAL_NOW                            (1 << 15)
39         #define TX_BD_LEN                                       (0xffff << 16)
40          #define TX_BD_LEN_SHIFT                                 16
41
42         u32 tx_bd_opaque;
43         __le64 tx_bd_haddr;
44 } __packed;
45
46 struct tx_bd_ext {
47         __le32 tx_bd_hsize_lflags;
48         #define TX_BD_FLAGS_TCP_UDP_CHKSUM                      (1 << 0)
49         #define TX_BD_FLAGS_IP_CKSUM                            (1 << 1)
50         #define TX_BD_FLAGS_NO_CRC                              (1 << 2)
51         #define TX_BD_FLAGS_STAMP                               (1 << 3)
52         #define TX_BD_FLAGS_T_IP_CHKSUM                         (1 << 4)
53         #define TX_BD_FLAGS_LSO                                 (1 << 5)
54         #define TX_BD_FLAGS_IPID_FMT                            (1 << 6)
55         #define TX_BD_FLAGS_T_IPID                              (1 << 7)
56         #define TX_BD_HSIZE                                     (0xff << 16)
57          #define TX_BD_HSIZE_SHIFT                               16
58
59         __le32 tx_bd_mss;
60         __le32 tx_bd_cfa_action;
61         #define TX_BD_CFA_ACTION                                (0xffff << 16)
62          #define TX_BD_CFA_ACTION_SHIFT                          16
63
64         __le32 tx_bd_cfa_meta;
65         #define TX_BD_CFA_META_MASK                             0xfffffff
66         #define TX_BD_CFA_META_VID_MASK                         0xfff
67         #define TX_BD_CFA_META_PRI_MASK                         (0xf << 12)
68          #define TX_BD_CFA_META_PRI_SHIFT                        12
69         #define TX_BD_CFA_META_TPID_MASK                        (3 << 16)
70          #define TX_BD_CFA_META_TPID_SHIFT                       16
71         #define TX_BD_CFA_META_KEY                              (0xf << 28)
72          #define TX_BD_CFA_META_KEY_SHIFT                        28
73         #define TX_BD_CFA_META_KEY_VLAN                         (1 << 28)
74 };
75
76 struct rx_bd {
77         __le32 rx_bd_len_flags_type;
78         #define RX_BD_TYPE                                      (0x3f << 0)
79          #define RX_BD_TYPE_RX_PACKET_BD                         0x4
80          #define RX_BD_TYPE_RX_BUFFER_BD                         0x5
81          #define RX_BD_TYPE_RX_AGG_BD                            0x6
82          #define RX_BD_TYPE_16B_BD_SIZE                          (0 << 4)
83          #define RX_BD_TYPE_32B_BD_SIZE                          (1 << 4)
84          #define RX_BD_TYPE_48B_BD_SIZE                          (2 << 4)
85          #define RX_BD_TYPE_64B_BD_SIZE                          (3 << 4)
86         #define RX_BD_FLAGS_SOP                                 (1 << 6)
87         #define RX_BD_FLAGS_EOP                                 (1 << 7)
88         #define RX_BD_FLAGS_BUFFERS                             (3 << 8)
89          #define RX_BD_FLAGS_1_BUFFER_PACKET                     (0 << 8)
90          #define RX_BD_FLAGS_2_BUFFER_PACKET                     (1 << 8)
91          #define RX_BD_FLAGS_3_BUFFER_PACKET                     (2 << 8)
92          #define RX_BD_FLAGS_4_BUFFER_PACKET                     (3 << 8)
93         #define RX_BD_LEN                                       (0xffff << 16)
94          #define RX_BD_LEN_SHIFT                                 16
95
96         u32 rx_bd_opaque;
97         __le64 rx_bd_haddr;
98 };
99
100 struct tx_cmp {
101         __le32 tx_cmp_flags_type;
102         #define CMP_TYPE                                        (0x3f << 0)
103          #define CMP_TYPE_TX_L2_CMP                              0
104          #define CMP_TYPE_RX_L2_CMP                              17
105          #define CMP_TYPE_RX_AGG_CMP                             18
106          #define CMP_TYPE_RX_L2_TPA_START_CMP                    19
107          #define CMP_TYPE_RX_L2_TPA_END_CMP                      21
108          #define CMP_TYPE_STATUS_CMP                             32
109          #define CMP_TYPE_REMOTE_DRIVER_REQ                      34
110          #define CMP_TYPE_REMOTE_DRIVER_RESP                     36
111          #define CMP_TYPE_ERROR_STATUS                           48
112          #define CMPL_BASE_TYPE_STAT_EJECT                       0x1aUL
113          #define CMPL_BASE_TYPE_HWRM_DONE                        0x20UL
114          #define CMPL_BASE_TYPE_HWRM_FWD_REQ                     0x22UL
115          #define CMPL_BASE_TYPE_HWRM_FWD_RESP                    0x24UL
116          #define CMPL_BASE_TYPE_HWRM_ASYNC_EVENT                 0x2eUL
117
118         #define TX_CMP_FLAGS_ERROR                              (1 << 6)
119         #define TX_CMP_FLAGS_PUSH                               (1 << 7)
120
121         u32 tx_cmp_opaque;
122         __le32 tx_cmp_errors_v;
123         #define TX_CMP_V                                        (1 << 0)
124         #define TX_CMP_ERRORS_BUFFER_ERROR                      (7 << 1)
125          #define TX_CMP_ERRORS_BUFFER_ERROR_NO_ERROR             0
126          #define TX_CMP_ERRORS_BUFFER_ERROR_BAD_FORMAT           2
127          #define TX_CMP_ERRORS_BUFFER_ERROR_INVALID_STAG         4
128          #define TX_CMP_ERRORS_BUFFER_ERROR_STAG_BOUNDS          5
129          #define TX_CMP_ERRORS_ZERO_LENGTH_PKT                   (1 << 4)
130          #define TX_CMP_ERRORS_EXCESSIVE_BD_LEN                  (1 << 5)
131          #define TX_CMP_ERRORS_DMA_ERROR                         (1 << 6)
132          #define TX_CMP_ERRORS_HINT_TOO_SHORT                    (1 << 7)
133
134         __le32 tx_cmp_unsed_3;
135 };
136
137 struct rx_cmp {
138         __le32 rx_cmp_len_flags_type;
139         #define RX_CMP_CMP_TYPE                                 (0x3f << 0)
140         #define RX_CMP_FLAGS_ERROR                              (1 << 6)
141         #define RX_CMP_FLAGS_PLACEMENT                          (7 << 7)
142         #define RX_CMP_FLAGS_RSS_VALID                          (1 << 10)
143         #define RX_CMP_FLAGS_UNUSED                             (1 << 11)
144          #define RX_CMP_FLAGS_ITYPES_SHIFT                       12
145          #define RX_CMP_FLAGS_ITYPE_UNKNOWN                      (0 << 12)
146          #define RX_CMP_FLAGS_ITYPE_IP                           (1 << 12)
147          #define RX_CMP_FLAGS_ITYPE_TCP                          (2 << 12)
148          #define RX_CMP_FLAGS_ITYPE_UDP                          (3 << 12)
149          #define RX_CMP_FLAGS_ITYPE_FCOE                         (4 << 12)
150          #define RX_CMP_FLAGS_ITYPE_ROCE                         (5 << 12)
151          #define RX_CMP_FLAGS_ITYPE_PTP_WO_TS                    (8 << 12)
152          #define RX_CMP_FLAGS_ITYPE_PTP_W_TS                     (9 << 12)
153         #define RX_CMP_LEN                                      (0xffff << 16)
154          #define RX_CMP_LEN_SHIFT                                16
155
156         u32 rx_cmp_opaque;
157         __le32 rx_cmp_misc_v1;
158         #define RX_CMP_V1                                       (1 << 0)
159         #define RX_CMP_AGG_BUFS                                 (0x1f << 1)
160          #define RX_CMP_AGG_BUFS_SHIFT                           1
161         #define RX_CMP_RSS_HASH_TYPE                            (0x7f << 9)
162          #define RX_CMP_RSS_HASH_TYPE_SHIFT                      9
163         #define RX_CMP_PAYLOAD_OFFSET                           (0xff << 16)
164          #define RX_CMP_PAYLOAD_OFFSET_SHIFT                     16
165
166         __le32 rx_cmp_rss_hash;
167 };
168
169 #define RX_CMP_HASH_VALID(rxcmp)                                \
170         ((rxcmp)->rx_cmp_len_flags_type & cpu_to_le32(RX_CMP_FLAGS_RSS_VALID))
171
172 #define RSS_PROFILE_ID_MASK     0x1f
173
174 #define RX_CMP_HASH_TYPE(rxcmp)                                 \
175         (((le32_to_cpu((rxcmp)->rx_cmp_misc_v1) & RX_CMP_RSS_HASH_TYPE) >>\
176           RX_CMP_RSS_HASH_TYPE_SHIFT) & RSS_PROFILE_ID_MASK)
177
178 struct rx_cmp_ext {
179         __le32 rx_cmp_flags2;
180         #define RX_CMP_FLAGS2_IP_CS_CALC                        0x1
181         #define RX_CMP_FLAGS2_L4_CS_CALC                        (0x1 << 1)
182         #define RX_CMP_FLAGS2_T_IP_CS_CALC                      (0x1 << 2)
183         #define RX_CMP_FLAGS2_T_L4_CS_CALC                      (0x1 << 3)
184         #define RX_CMP_FLAGS2_META_FORMAT_VLAN                  (0x1 << 4)
185         __le32 rx_cmp_meta_data;
186         #define RX_CMP_FLAGS2_METADATA_VID_MASK                 0xfff
187         #define RX_CMP_FLAGS2_METADATA_TPID_MASK                0xffff0000
188          #define RX_CMP_FLAGS2_METADATA_TPID_SFT                 16
189         __le32 rx_cmp_cfa_code_errors_v2;
190         #define RX_CMP_V                                        (1 << 0)
191         #define RX_CMPL_ERRORS_MASK                             (0x7fff << 1)
192          #define RX_CMPL_ERRORS_SFT                              1
193         #define RX_CMPL_ERRORS_BUFFER_ERROR_MASK                (0x7 << 1)
194          #define RX_CMPL_ERRORS_BUFFER_ERROR_NO_BUFFER           (0x0 << 1)
195          #define RX_CMPL_ERRORS_BUFFER_ERROR_DID_NOT_FIT         (0x1 << 1)
196          #define RX_CMPL_ERRORS_BUFFER_ERROR_NOT_ON_CHIP         (0x2 << 1)
197          #define RX_CMPL_ERRORS_BUFFER_ERROR_BAD_FORMAT          (0x3 << 1)
198         #define RX_CMPL_ERRORS_IP_CS_ERROR                      (0x1 << 4)
199         #define RX_CMPL_ERRORS_L4_CS_ERROR                      (0x1 << 5)
200         #define RX_CMPL_ERRORS_T_IP_CS_ERROR                    (0x1 << 6)
201         #define RX_CMPL_ERRORS_T_L4_CS_ERROR                    (0x1 << 7)
202         #define RX_CMPL_ERRORS_CRC_ERROR                        (0x1 << 8)
203         #define RX_CMPL_ERRORS_T_PKT_ERROR_MASK                 (0x7 << 9)
204          #define RX_CMPL_ERRORS_T_PKT_ERROR_NO_ERROR             (0x0 << 9)
205          #define RX_CMPL_ERRORS_T_PKT_ERROR_T_L3_BAD_VERSION     (0x1 << 9)
206          #define RX_CMPL_ERRORS_T_PKT_ERROR_T_L3_BAD_HDR_LEN     (0x2 << 9)
207          #define RX_CMPL_ERRORS_T_PKT_ERROR_TUNNEL_TOTAL_ERROR   (0x3 << 9)
208          #define RX_CMPL_ERRORS_T_PKT_ERROR_T_IP_TOTAL_ERROR     (0x4 << 9)
209          #define RX_CMPL_ERRORS_T_PKT_ERROR_T_UDP_TOTAL_ERROR    (0x5 << 9)
210          #define RX_CMPL_ERRORS_T_PKT_ERROR_T_L3_BAD_TTL         (0x6 << 9)
211         #define RX_CMPL_ERRORS_PKT_ERROR_MASK                   (0xf << 12)
212          #define RX_CMPL_ERRORS_PKT_ERROR_NO_ERROR               (0x0 << 12)
213          #define RX_CMPL_ERRORS_PKT_ERROR_L3_BAD_VERSION         (0x1 << 12)
214          #define RX_CMPL_ERRORS_PKT_ERROR_L3_BAD_HDR_LEN         (0x2 << 12)
215          #define RX_CMPL_ERRORS_PKT_ERROR_L3_BAD_TTL             (0x3 << 12)
216          #define RX_CMPL_ERRORS_PKT_ERROR_IP_TOTAL_ERROR         (0x4 << 12)
217          #define RX_CMPL_ERRORS_PKT_ERROR_UDP_TOTAL_ERROR        (0x5 << 12)
218          #define RX_CMPL_ERRORS_PKT_ERROR_L4_BAD_HDR_LEN         (0x6 << 12)
219          #define RX_CMPL_ERRORS_PKT_ERROR_L4_BAD_HDR_LEN_TOO_SMALL (0x7 << 12)
220          #define RX_CMPL_ERRORS_PKT_ERROR_L4_BAD_OPT_LEN         (0x8 << 12)
221
222         #define RX_CMPL_CFA_CODE_MASK                           (0xffff << 16)
223          #define RX_CMPL_CFA_CODE_SFT                            16
224
225         __le32 rx_cmp_unused3;
226 };
227
228 #define RX_CMP_L2_ERRORS                                                \
229         cpu_to_le32(RX_CMPL_ERRORS_BUFFER_ERROR_MASK | RX_CMPL_ERRORS_CRC_ERROR)
230
231 #define RX_CMP_L4_CS_BITS                                               \
232         (cpu_to_le32(RX_CMP_FLAGS2_L4_CS_CALC | RX_CMP_FLAGS2_T_L4_CS_CALC))
233
234 #define RX_CMP_L4_CS_ERR_BITS                                           \
235         (cpu_to_le32(RX_CMPL_ERRORS_L4_CS_ERROR | RX_CMPL_ERRORS_T_L4_CS_ERROR))
236
237 #define RX_CMP_L4_CS_OK(rxcmp1)                                         \
238             (((rxcmp1)->rx_cmp_flags2 & RX_CMP_L4_CS_BITS) &&           \
239              !((rxcmp1)->rx_cmp_cfa_code_errors_v2 & RX_CMP_L4_CS_ERR_BITS))
240
241 #define RX_CMP_ENCAP(rxcmp1)                                            \
242             ((le32_to_cpu((rxcmp1)->rx_cmp_flags2) &                    \
243              RX_CMP_FLAGS2_T_L4_CS_CALC) >> 3)
244
245 struct rx_agg_cmp {
246         __le32 rx_agg_cmp_len_flags_type;
247         #define RX_AGG_CMP_TYPE                                 (0x3f << 0)
248         #define RX_AGG_CMP_LEN                                  (0xffff << 16)
249          #define RX_AGG_CMP_LEN_SHIFT                            16
250         u32 rx_agg_cmp_opaque;
251         __le32 rx_agg_cmp_v;
252         #define RX_AGG_CMP_V                                    (1 << 0)
253         __le32 rx_agg_cmp_unused;
254 };
255
256 struct rx_tpa_start_cmp {
257         __le32 rx_tpa_start_cmp_len_flags_type;
258         #define RX_TPA_START_CMP_TYPE                           (0x3f << 0)
259         #define RX_TPA_START_CMP_FLAGS                          (0x3ff << 6)
260          #define RX_TPA_START_CMP_FLAGS_SHIFT                    6
261         #define RX_TPA_START_CMP_FLAGS_PLACEMENT                (0x7 << 7)
262          #define RX_TPA_START_CMP_FLAGS_PLACEMENT_SHIFT          7
263          #define RX_TPA_START_CMP_FLAGS_PLACEMENT_JUMBO          (0x1 << 7)
264          #define RX_TPA_START_CMP_FLAGS_PLACEMENT_HDS            (0x2 << 7)
265          #define RX_TPA_START_CMP_FLAGS_PLACEMENT_GRO_JUMBO      (0x5 << 7)
266          #define RX_TPA_START_CMP_FLAGS_PLACEMENT_GRO_HDS        (0x6 << 7)
267         #define RX_TPA_START_CMP_FLAGS_RSS_VALID                (0x1 << 10)
268         #define RX_TPA_START_CMP_FLAGS_ITYPES                   (0xf << 12)
269          #define RX_TPA_START_CMP_FLAGS_ITYPES_SHIFT             12
270          #define RX_TPA_START_CMP_FLAGS_ITYPE_TCP                (0x2 << 12)
271         #define RX_TPA_START_CMP_LEN                            (0xffff << 16)
272          #define RX_TPA_START_CMP_LEN_SHIFT                      16
273
274         u32 rx_tpa_start_cmp_opaque;
275         __le32 rx_tpa_start_cmp_misc_v1;
276         #define RX_TPA_START_CMP_V1                             (0x1 << 0)
277         #define RX_TPA_START_CMP_RSS_HASH_TYPE                  (0x7f << 9)
278          #define RX_TPA_START_CMP_RSS_HASH_TYPE_SHIFT            9
279         #define RX_TPA_START_CMP_AGG_ID                         (0x7f << 25)
280          #define RX_TPA_START_CMP_AGG_ID_SHIFT                   25
281
282         __le32 rx_tpa_start_cmp_rss_hash;
283 };
284
285 #define TPA_START_HASH_VALID(rx_tpa_start)                              \
286         ((rx_tpa_start)->rx_tpa_start_cmp_len_flags_type &              \
287          cpu_to_le32(RX_TPA_START_CMP_FLAGS_RSS_VALID))
288
289 #define TPA_START_HASH_TYPE(rx_tpa_start)                               \
290         (((le32_to_cpu((rx_tpa_start)->rx_tpa_start_cmp_misc_v1) &      \
291            RX_TPA_START_CMP_RSS_HASH_TYPE) >>                           \
292           RX_TPA_START_CMP_RSS_HASH_TYPE_SHIFT) & RSS_PROFILE_ID_MASK)
293
294 #define TPA_START_AGG_ID(rx_tpa_start)                                  \
295         ((le32_to_cpu((rx_tpa_start)->rx_tpa_start_cmp_misc_v1) &       \
296          RX_TPA_START_CMP_AGG_ID) >> RX_TPA_START_CMP_AGG_ID_SHIFT)
297
298 struct rx_tpa_start_cmp_ext {
299         __le32 rx_tpa_start_cmp_flags2;
300         #define RX_TPA_START_CMP_FLAGS2_IP_CS_CALC              (0x1 << 0)
301         #define RX_TPA_START_CMP_FLAGS2_L4_CS_CALC              (0x1 << 1)
302         #define RX_TPA_START_CMP_FLAGS2_T_IP_CS_CALC            (0x1 << 2)
303         #define RX_TPA_START_CMP_FLAGS2_T_L4_CS_CALC            (0x1 << 3)
304         #define RX_TPA_START_CMP_FLAGS2_IP_TYPE                 (0x1 << 8)
305
306         __le32 rx_tpa_start_cmp_metadata;
307         __le32 rx_tpa_start_cmp_cfa_code_v2;
308         #define RX_TPA_START_CMP_V2                             (0x1 << 0)
309         #define RX_TPA_START_CMP_CFA_CODE                       (0xffff << 16)
310          #define RX_TPA_START_CMPL_CFA_CODE_SHIFT                16
311         __le32 rx_tpa_start_cmp_hdr_info;
312 };
313
314 struct rx_tpa_end_cmp {
315         __le32 rx_tpa_end_cmp_len_flags_type;
316         #define RX_TPA_END_CMP_TYPE                             (0x3f << 0)
317         #define RX_TPA_END_CMP_FLAGS                            (0x3ff << 6)
318          #define RX_TPA_END_CMP_FLAGS_SHIFT                      6
319         #define RX_TPA_END_CMP_FLAGS_PLACEMENT                  (0x7 << 7)
320          #define RX_TPA_END_CMP_FLAGS_PLACEMENT_SHIFT            7
321          #define RX_TPA_END_CMP_FLAGS_PLACEMENT_JUMBO            (0x1 << 7)
322          #define RX_TPA_END_CMP_FLAGS_PLACEMENT_HDS              (0x2 << 7)
323          #define RX_TPA_END_CMP_FLAGS_PLACEMENT_GRO_JUMBO        (0x5 << 7)
324          #define RX_TPA_END_CMP_FLAGS_PLACEMENT_GRO_HDS          (0x6 << 7)
325         #define RX_TPA_END_CMP_FLAGS_RSS_VALID                  (0x1 << 10)
326         #define RX_TPA_END_CMP_FLAGS_ITYPES                     (0xf << 12)
327          #define RX_TPA_END_CMP_FLAGS_ITYPES_SHIFT               12
328          #define RX_TPA_END_CMP_FLAGS_ITYPE_TCP                  (0x2 << 12)
329         #define RX_TPA_END_CMP_LEN                              (0xffff << 16)
330          #define RX_TPA_END_CMP_LEN_SHIFT                        16
331
332         u32 rx_tpa_end_cmp_opaque;
333         __le32 rx_tpa_end_cmp_misc_v1;
334         #define RX_TPA_END_CMP_V1                               (0x1 << 0)
335         #define RX_TPA_END_CMP_AGG_BUFS                         (0x3f << 1)
336          #define RX_TPA_END_CMP_AGG_BUFS_SHIFT                   1
337         #define RX_TPA_END_CMP_TPA_SEGS                         (0xff << 8)
338          #define RX_TPA_END_CMP_TPA_SEGS_SHIFT                   8
339         #define RX_TPA_END_CMP_PAYLOAD_OFFSET                   (0xff << 16)
340          #define RX_TPA_END_CMP_PAYLOAD_OFFSET_SHIFT             16
341         #define RX_TPA_END_CMP_AGG_ID                           (0x7f << 25)
342          #define RX_TPA_END_CMP_AGG_ID_SHIFT                     25
343
344         __le32 rx_tpa_end_cmp_tsdelta;
345         #define RX_TPA_END_GRO_TS                               (0x1 << 31)
346 };
347
348 #define TPA_END_AGG_ID(rx_tpa_end)                                      \
349         ((le32_to_cpu((rx_tpa_end)->rx_tpa_end_cmp_misc_v1) &           \
350          RX_TPA_END_CMP_AGG_ID) >> RX_TPA_END_CMP_AGG_ID_SHIFT)
351
352 #define TPA_END_TPA_SEGS(rx_tpa_end)                                    \
353         ((le32_to_cpu((rx_tpa_end)->rx_tpa_end_cmp_misc_v1) &           \
354          RX_TPA_END_CMP_TPA_SEGS) >> RX_TPA_END_CMP_TPA_SEGS_SHIFT)
355
356 #define RX_TPA_END_CMP_FLAGS_PLACEMENT_ANY_GRO                          \
357         cpu_to_le32(RX_TPA_END_CMP_FLAGS_PLACEMENT_GRO_JUMBO &          \
358                     RX_TPA_END_CMP_FLAGS_PLACEMENT_GRO_HDS)
359
360 #define TPA_END_GRO(rx_tpa_end)                                         \
361         ((rx_tpa_end)->rx_tpa_end_cmp_len_flags_type &                  \
362          RX_TPA_END_CMP_FLAGS_PLACEMENT_ANY_GRO)
363
364 #define TPA_END_GRO_TS(rx_tpa_end)                                      \
365         (!!((rx_tpa_end)->rx_tpa_end_cmp_tsdelta &                      \
366             cpu_to_le32(RX_TPA_END_GRO_TS)))
367
368 struct rx_tpa_end_cmp_ext {
369         __le32 rx_tpa_end_cmp_dup_acks;
370         #define RX_TPA_END_CMP_TPA_DUP_ACKS                     (0xf << 0)
371
372         __le32 rx_tpa_end_cmp_seg_len;
373         #define RX_TPA_END_CMP_TPA_SEG_LEN                      (0xffff << 0)
374
375         __le32 rx_tpa_end_cmp_errors_v2;
376         #define RX_TPA_END_CMP_V2                               (0x1 << 0)
377         #define RX_TPA_END_CMP_ERRORS                           (0x3 << 1)
378         #define RX_TPA_END_CMPL_ERRORS_SHIFT                     1
379
380         u32 rx_tpa_end_cmp_start_opaque;
381 };
382
383 #define TPA_END_ERRORS(rx_tpa_end_ext)                                  \
384         ((rx_tpa_end_ext)->rx_tpa_end_cmp_errors_v2 &                   \
385          cpu_to_le32(RX_TPA_END_CMP_ERRORS))
386
387 #define DB_IDX_MASK                                             0xffffff
388 #define DB_IDX_VALID                                            (0x1 << 26)
389 #define DB_IRQ_DIS                                              (0x1 << 27)
390 #define DB_KEY_TX                                               (0x0 << 28)
391 #define DB_KEY_RX                                               (0x1 << 28)
392 #define DB_KEY_CP                                               (0x2 << 28)
393 #define DB_KEY_ST                                               (0x3 << 28)
394 #define DB_KEY_TX_PUSH                                          (0x4 << 28)
395 #define DB_LONG_TX_PUSH                                         (0x2 << 24)
396
397 #define BNXT_MIN_ROCE_CP_RINGS  2
398 #define BNXT_MIN_ROCE_STAT_CTXS 1
399
400 #define INVALID_HW_RING_ID      ((u16)-1)
401
402 /* The hardware supports certain page sizes.  Use the supported page sizes
403  * to allocate the rings.
404  */
405 #if (PAGE_SHIFT < 12)
406 #define BNXT_PAGE_SHIFT 12
407 #elif (PAGE_SHIFT <= 13)
408 #define BNXT_PAGE_SHIFT PAGE_SHIFT
409 #elif (PAGE_SHIFT < 16)
410 #define BNXT_PAGE_SHIFT 13
411 #else
412 #define BNXT_PAGE_SHIFT 16
413 #endif
414
415 #define BNXT_PAGE_SIZE  (1 << BNXT_PAGE_SHIFT)
416
417 /* The RXBD length is 16-bit so we can only support page sizes < 64K */
418 #if (PAGE_SHIFT > 15)
419 #define BNXT_RX_PAGE_SHIFT 15
420 #else
421 #define BNXT_RX_PAGE_SHIFT PAGE_SHIFT
422 #endif
423
424 #define BNXT_RX_PAGE_SIZE (1 << BNXT_RX_PAGE_SHIFT)
425
426 #define BNXT_MAX_MTU            9500
427 #define BNXT_MAX_PAGE_MODE_MTU  \
428         ((unsigned int)PAGE_SIZE - VLAN_ETH_HLEN - NET_IP_ALIGN -       \
429          XDP_PACKET_HEADROOM)
430
431 #define BNXT_MIN_PKT_SIZE       52
432
433 #define BNXT_DEFAULT_RX_RING_SIZE       511
434 #define BNXT_DEFAULT_TX_RING_SIZE       511
435
436 #define MAX_TPA         64
437
438 #if (BNXT_PAGE_SHIFT == 16)
439 #define MAX_RX_PAGES    1
440 #define MAX_RX_AGG_PAGES        4
441 #define MAX_TX_PAGES    1
442 #define MAX_CP_PAGES    8
443 #else
444 #define MAX_RX_PAGES    8
445 #define MAX_RX_AGG_PAGES        32
446 #define MAX_TX_PAGES    8
447 #define MAX_CP_PAGES    64
448 #endif
449
450 #define RX_DESC_CNT (BNXT_PAGE_SIZE / sizeof(struct rx_bd))
451 #define TX_DESC_CNT (BNXT_PAGE_SIZE / sizeof(struct tx_bd))
452 #define CP_DESC_CNT (BNXT_PAGE_SIZE / sizeof(struct tx_cmp))
453
454 #define SW_RXBD_RING_SIZE (sizeof(struct bnxt_sw_rx_bd) * RX_DESC_CNT)
455 #define HW_RXBD_RING_SIZE (sizeof(struct rx_bd) * RX_DESC_CNT)
456
457 #define SW_RXBD_AGG_RING_SIZE (sizeof(struct bnxt_sw_rx_agg_bd) * RX_DESC_CNT)
458
459 #define SW_TXBD_RING_SIZE (sizeof(struct bnxt_sw_tx_bd) * TX_DESC_CNT)
460 #define HW_TXBD_RING_SIZE (sizeof(struct tx_bd) * TX_DESC_CNT)
461
462 #define HW_CMPD_RING_SIZE (sizeof(struct tx_cmp) * CP_DESC_CNT)
463
464 #define BNXT_MAX_RX_DESC_CNT            (RX_DESC_CNT * MAX_RX_PAGES - 1)
465 #define BNXT_MAX_RX_JUM_DESC_CNT        (RX_DESC_CNT * MAX_RX_AGG_PAGES - 1)
466 #define BNXT_MAX_TX_DESC_CNT            (TX_DESC_CNT * MAX_TX_PAGES - 1)
467
468 #define RX_RING(x)      (((x) & ~(RX_DESC_CNT - 1)) >> (BNXT_PAGE_SHIFT - 4))
469 #define RX_IDX(x)       ((x) & (RX_DESC_CNT - 1))
470
471 #define TX_RING(x)      (((x) & ~(TX_DESC_CNT - 1)) >> (BNXT_PAGE_SHIFT - 4))
472 #define TX_IDX(x)       ((x) & (TX_DESC_CNT - 1))
473
474 #define CP_RING(x)      (((x) & ~(CP_DESC_CNT - 1)) >> (BNXT_PAGE_SHIFT - 4))
475 #define CP_IDX(x)       ((x) & (CP_DESC_CNT - 1))
476
477 #define TX_CMP_VALID(txcmp, raw_cons)                                   \
478         (!!((txcmp)->tx_cmp_errors_v & cpu_to_le32(TX_CMP_V)) ==        \
479          !((raw_cons) & bp->cp_bit))
480
481 #define RX_CMP_VALID(rxcmp1, raw_cons)                                  \
482         (!!((rxcmp1)->rx_cmp_cfa_code_errors_v2 & cpu_to_le32(RX_CMP_V)) ==\
483          !((raw_cons) & bp->cp_bit))
484
485 #define RX_AGG_CMP_VALID(agg, raw_cons)                         \
486         (!!((agg)->rx_agg_cmp_v & cpu_to_le32(RX_AGG_CMP_V)) == \
487          !((raw_cons) & bp->cp_bit))
488
489 #define TX_CMP_TYPE(txcmp)                                      \
490         (le32_to_cpu((txcmp)->tx_cmp_flags_type) & CMP_TYPE)
491
492 #define RX_CMP_TYPE(rxcmp)                                      \
493         (le32_to_cpu((rxcmp)->rx_cmp_len_flags_type) & RX_CMP_CMP_TYPE)
494
495 #define NEXT_RX(idx)            (((idx) + 1) & bp->rx_ring_mask)
496
497 #define NEXT_RX_AGG(idx)        (((idx) + 1) & bp->rx_agg_ring_mask)
498
499 #define NEXT_TX(idx)            (((idx) + 1) & bp->tx_ring_mask)
500
501 #define ADV_RAW_CMP(idx, n)     ((idx) + (n))
502 #define NEXT_RAW_CMP(idx)       ADV_RAW_CMP(idx, 1)
503 #define RING_CMP(idx)           ((idx) & bp->cp_ring_mask)
504 #define NEXT_CMP(idx)           RING_CMP(ADV_RAW_CMP(idx, 1))
505
506 #define BNXT_HWRM_MAX_REQ_LEN           (bp->hwrm_max_req_len)
507 #define BNXT_HWRM_SHORT_REQ_LEN         sizeof(struct hwrm_short_input)
508 #define DFLT_HWRM_CMD_TIMEOUT           500
509 #define HWRM_CMD_TIMEOUT                (bp->hwrm_cmd_timeout)
510 #define HWRM_RESET_TIMEOUT              ((HWRM_CMD_TIMEOUT) * 4)
511 #define HWRM_RESP_ERR_CODE_MASK         0xffff
512 #define HWRM_RESP_LEN_OFFSET            4
513 #define HWRM_RESP_LEN_MASK              0xffff0000
514 #define HWRM_RESP_LEN_SFT               16
515 #define HWRM_RESP_VALID_MASK            0xff000000
516 #define HWRM_SEQ_ID_INVALID             -1
517 #define BNXT_HWRM_REQ_MAX_SIZE          128
518 #define BNXT_HWRM_REQS_PER_PAGE         (BNXT_PAGE_SIZE /       \
519                                          BNXT_HWRM_REQ_MAX_SIZE)
520
521 #define BNXT_RX_EVENT   1
522 #define BNXT_AGG_EVENT  2
523 #define BNXT_TX_EVENT   4
524
525 struct bnxt_sw_tx_bd {
526         struct sk_buff          *skb;
527         DEFINE_DMA_UNMAP_ADDR(mapping);
528         u8                      is_gso;
529         u8                      is_push;
530         union {
531                 unsigned short          nr_frags;
532                 u16                     rx_prod;
533         };
534 };
535
536 struct bnxt_sw_rx_bd {
537         void                    *data;
538         u8                      *data_ptr;
539         dma_addr_t              mapping;
540 };
541
542 struct bnxt_sw_rx_agg_bd {
543         struct page             *page;
544         unsigned int            offset;
545         dma_addr_t              mapping;
546 };
547
548 struct bnxt_ring_struct {
549         int                     nr_pages;
550         int                     page_size;
551         void                    **pg_arr;
552         dma_addr_t              *dma_arr;
553
554         __le64                  *pg_tbl;
555         dma_addr_t              pg_tbl_map;
556
557         int                     vmem_size;
558         void                    **vmem;
559
560         u16                     fw_ring_id; /* Ring id filled by Chimp FW */
561         u8                      queue_id;
562 };
563
564 struct tx_push_bd {
565         __le32                  doorbell;
566         __le32                  tx_bd_len_flags_type;
567         u32                     tx_bd_opaque;
568         struct tx_bd_ext        txbd2;
569 };
570
571 struct tx_push_buffer {
572         struct tx_push_bd       push_bd;
573         u32                     data[25];
574 };
575
576 struct bnxt_tx_ring_info {
577         struct bnxt_napi        *bnapi;
578         u16                     tx_prod;
579         u16                     tx_cons;
580         u16                     txq_index;
581         void __iomem            *tx_doorbell;
582
583         struct tx_bd            *tx_desc_ring[MAX_TX_PAGES];
584         struct bnxt_sw_tx_bd    *tx_buf_ring;
585
586         dma_addr_t              tx_desc_mapping[MAX_TX_PAGES];
587
588         struct tx_push_buffer   *tx_push;
589         dma_addr_t              tx_push_mapping;
590         __le64                  data_mapping;
591
592 #define BNXT_DEV_STATE_CLOSING  0x1
593         u32                     dev_state;
594
595         struct bnxt_ring_struct tx_ring_struct;
596 };
597
598 struct bnxt_tpa_info {
599         void                    *data;
600         u8                      *data_ptr;
601         dma_addr_t              mapping;
602         u16                     len;
603         unsigned short          gso_type;
604         u32                     flags2;
605         u32                     metadata;
606         enum pkt_hash_types     hash_type;
607         u32                     rss_hash;
608         u32                     hdr_info;
609
610 #define BNXT_TPA_L4_SIZE(hdr_info)      \
611         (((hdr_info) & 0xf8000000) ? ((hdr_info) >> 27) : 32)
612
613 #define BNXT_TPA_INNER_L3_OFF(hdr_info) \
614         (((hdr_info) >> 18) & 0x1ff)
615
616 #define BNXT_TPA_INNER_L2_OFF(hdr_info) \
617         (((hdr_info) >> 9) & 0x1ff)
618
619 #define BNXT_TPA_OUTER_L3_OFF(hdr_info) \
620         ((hdr_info) & 0x1ff)
621 };
622
623 struct bnxt_rx_ring_info {
624         struct bnxt_napi        *bnapi;
625         u16                     rx_prod;
626         u16                     rx_agg_prod;
627         u16                     rx_sw_agg_prod;
628         u16                     rx_next_cons;
629         void __iomem            *rx_doorbell;
630         void __iomem            *rx_agg_doorbell;
631
632         struct bpf_prog         *xdp_prog;
633
634         struct rx_bd            *rx_desc_ring[MAX_RX_PAGES];
635         struct bnxt_sw_rx_bd    *rx_buf_ring;
636
637         struct rx_bd            *rx_agg_desc_ring[MAX_RX_AGG_PAGES];
638         struct bnxt_sw_rx_agg_bd        *rx_agg_ring;
639
640         unsigned long           *rx_agg_bmap;
641         u16                     rx_agg_bmap_size;
642
643         struct page             *rx_page;
644         unsigned int            rx_page_offset;
645
646         dma_addr_t              rx_desc_mapping[MAX_RX_PAGES];
647         dma_addr_t              rx_agg_desc_mapping[MAX_RX_AGG_PAGES];
648
649         struct bnxt_tpa_info    *rx_tpa;
650
651         struct bnxt_ring_struct rx_ring_struct;
652         struct bnxt_ring_struct rx_agg_ring_struct;
653 };
654
655 struct bnxt_cp_ring_info {
656         u32                     cp_raw_cons;
657         void __iomem            *cp_doorbell;
658
659         struct tx_cmp           *cp_desc_ring[MAX_CP_PAGES];
660
661         dma_addr_t              cp_desc_mapping[MAX_CP_PAGES];
662
663         struct ctx_hw_stats     *hw_stats;
664         dma_addr_t              hw_stats_map;
665         u32                     hw_stats_ctx_id;
666         u64                     rx_l4_csum_errors;
667
668         struct bnxt_ring_struct cp_ring_struct;
669 };
670
671 struct bnxt_napi {
672         struct napi_struct      napi;
673         struct bnxt             *bp;
674
675         int                     index;
676         struct bnxt_cp_ring_info        cp_ring;
677         struct bnxt_rx_ring_info        *rx_ring;
678         struct bnxt_tx_ring_info        *tx_ring;
679
680         void                    (*tx_int)(struct bnxt *, struct bnxt_napi *,
681                                           int);
682         u32                     flags;
683 #define BNXT_NAPI_FLAG_XDP      0x1
684
685         bool                    in_reset;
686 };
687
688 struct bnxt_irq {
689         irq_handler_t   handler;
690         unsigned int    vector;
691         u8              requested;
692         char            name[IFNAMSIZ + 2];
693 };
694
695 #define HWRM_RING_ALLOC_TX      0x1
696 #define HWRM_RING_ALLOC_RX      0x2
697 #define HWRM_RING_ALLOC_AGG     0x4
698 #define HWRM_RING_ALLOC_CMPL    0x8
699
700 #define INVALID_STATS_CTX_ID    -1
701
702 struct bnxt_ring_grp_info {
703         u16     fw_stats_ctx;
704         u16     fw_grp_id;
705         u16     rx_fw_ring_id;
706         u16     agg_fw_ring_id;
707         u16     cp_fw_ring_id;
708 };
709
710 struct bnxt_vnic_info {
711         u16             fw_vnic_id; /* returned by Chimp during alloc */
712 #define BNXT_MAX_CTX_PER_VNIC   2
713         u16             fw_rss_cos_lb_ctx[BNXT_MAX_CTX_PER_VNIC];
714         u16             fw_l2_ctx_id;
715 #define BNXT_MAX_UC_ADDRS       4
716         __le64          fw_l2_filter_id[BNXT_MAX_UC_ADDRS];
717                                 /* index 0 always dev_addr */
718         u16             uc_filter_count;
719         u8              *uc_list;
720
721         u16             *fw_grp_ids;
722         dma_addr_t      rss_table_dma_addr;
723         __le16          *rss_table;
724         dma_addr_t      rss_hash_key_dma_addr;
725         u64             *rss_hash_key;
726         u32             rx_mask;
727
728         u8              *mc_list;
729         int             mc_list_size;
730         int             mc_list_count;
731         dma_addr_t      mc_list_mapping;
732 #define BNXT_MAX_MC_ADDRS       16
733
734         u32             flags;
735 #define BNXT_VNIC_RSS_FLAG      1
736 #define BNXT_VNIC_RFS_FLAG      2
737 #define BNXT_VNIC_MCAST_FLAG    4
738 #define BNXT_VNIC_UCAST_FLAG    8
739 #define BNXT_VNIC_RFS_NEW_RSS_FLAG      0x10
740 };
741
742 #if defined(CONFIG_BNXT_SRIOV)
743 struct bnxt_vf_info {
744         u16     fw_fid;
745         u8      mac_addr[ETH_ALEN];
746         u16     max_rsscos_ctxs;
747         u16     max_cp_rings;
748         u16     max_tx_rings;
749         u16     max_rx_rings;
750         u16     max_hw_ring_grps;
751         u16     max_l2_ctxs;
752         u16     max_irqs;
753         u16     max_vnics;
754         u16     max_stat_ctxs;
755         u16     vlan;
756         u32     flags;
757 #define BNXT_VF_QOS             0x1
758 #define BNXT_VF_SPOOFCHK        0x2
759 #define BNXT_VF_LINK_FORCED     0x4
760 #define BNXT_VF_LINK_UP         0x8
761         u32     func_flags; /* func cfg flags */
762         u32     min_tx_rate;
763         u32     max_tx_rate;
764         void    *hwrm_cmd_req_addr;
765         dma_addr_t      hwrm_cmd_req_dma_addr;
766 };
767 #endif
768
769 struct bnxt_pf_info {
770 #define BNXT_FIRST_PF_FID       1
771 #define BNXT_FIRST_VF_FID       128
772         u16     fw_fid;
773         u16     port_id;
774         u8      mac_addr[ETH_ALEN];
775         u16     max_rsscos_ctxs;
776         u16     max_cp_rings;
777         u16     max_tx_rings; /* HW assigned max tx rings for this PF */
778         u16     max_rx_rings; /* HW assigned max rx rings for this PF */
779         u16     max_hw_ring_grps;
780         u16     max_irqs;
781         u16     max_l2_ctxs;
782         u16     max_vnics;
783         u16     max_stat_ctxs;
784         u32     first_vf_id;
785         u16     active_vfs;
786         u16     max_vfs;
787         u32     max_encap_records;
788         u32     max_decap_records;
789         u32     max_tx_em_flows;
790         u32     max_tx_wm_flows;
791         u32     max_rx_em_flows;
792         u32     max_rx_wm_flows;
793         unsigned long   *vf_event_bmap;
794         u16     hwrm_cmd_req_pages;
795         void                    *hwrm_cmd_req_addr[4];
796         dma_addr_t              hwrm_cmd_req_dma_addr[4];
797         struct bnxt_vf_info     *vf;
798 };
799
800 struct bnxt_ntuple_filter {
801         struct hlist_node       hash;
802         u8                      dst_mac_addr[ETH_ALEN];
803         u8                      src_mac_addr[ETH_ALEN];
804         struct flow_keys        fkeys;
805         __le64                  filter_id;
806         u16                     sw_id;
807         u8                      l2_fltr_idx;
808         u16                     rxq;
809         u32                     flow_id;
810         unsigned long           state;
811 #define BNXT_FLTR_VALID         0
812 #define BNXT_FLTR_UPDATE        1
813 };
814
815 struct bnxt_link_info {
816         u8                      phy_type;
817         u8                      media_type;
818         u8                      transceiver;
819         u8                      phy_addr;
820         u8                      phy_link_status;
821 #define BNXT_LINK_NO_LINK       PORT_PHY_QCFG_RESP_LINK_NO_LINK
822 #define BNXT_LINK_SIGNAL        PORT_PHY_QCFG_RESP_LINK_SIGNAL
823 #define BNXT_LINK_LINK          PORT_PHY_QCFG_RESP_LINK_LINK
824         u8                      wire_speed;
825         u8                      loop_back;
826         u8                      link_up;
827         u8                      duplex;
828 #define BNXT_LINK_DUPLEX_HALF   PORT_PHY_QCFG_RESP_DUPLEX_HALF
829 #define BNXT_LINK_DUPLEX_FULL   PORT_PHY_QCFG_RESP_DUPLEX_FULL
830         u8                      pause;
831 #define BNXT_LINK_PAUSE_TX      PORT_PHY_QCFG_RESP_PAUSE_TX
832 #define BNXT_LINK_PAUSE_RX      PORT_PHY_QCFG_RESP_PAUSE_RX
833 #define BNXT_LINK_PAUSE_BOTH    (PORT_PHY_QCFG_RESP_PAUSE_RX | \
834                                  PORT_PHY_QCFG_RESP_PAUSE_TX)
835         u8                      lp_pause;
836         u8                      auto_pause_setting;
837         u8                      force_pause_setting;
838         u8                      duplex_setting;
839         u8                      auto_mode;
840 #define BNXT_AUTO_MODE(mode)    ((mode) > BNXT_LINK_AUTO_NONE && \
841                                  (mode) <= BNXT_LINK_AUTO_MSK)
842 #define BNXT_LINK_AUTO_NONE     PORT_PHY_QCFG_RESP_AUTO_MODE_NONE
843 #define BNXT_LINK_AUTO_ALLSPDS  PORT_PHY_QCFG_RESP_AUTO_MODE_ALL_SPEEDS
844 #define BNXT_LINK_AUTO_ONESPD   PORT_PHY_QCFG_RESP_AUTO_MODE_ONE_SPEED
845 #define BNXT_LINK_AUTO_ONEORBELOW PORT_PHY_QCFG_RESP_AUTO_MODE_ONE_OR_BELOW
846 #define BNXT_LINK_AUTO_MSK      PORT_PHY_QCFG_RESP_AUTO_MODE_SPEED_MASK
847 #define PHY_VER_LEN             3
848         u8                      phy_ver[PHY_VER_LEN];
849         u16                     link_speed;
850 #define BNXT_LINK_SPEED_100MB   PORT_PHY_QCFG_RESP_LINK_SPEED_100MB
851 #define BNXT_LINK_SPEED_1GB     PORT_PHY_QCFG_RESP_LINK_SPEED_1GB
852 #define BNXT_LINK_SPEED_2GB     PORT_PHY_QCFG_RESP_LINK_SPEED_2GB
853 #define BNXT_LINK_SPEED_2_5GB   PORT_PHY_QCFG_RESP_LINK_SPEED_2_5GB
854 #define BNXT_LINK_SPEED_10GB    PORT_PHY_QCFG_RESP_LINK_SPEED_10GB
855 #define BNXT_LINK_SPEED_20GB    PORT_PHY_QCFG_RESP_LINK_SPEED_20GB
856 #define BNXT_LINK_SPEED_25GB    PORT_PHY_QCFG_RESP_LINK_SPEED_25GB
857 #define BNXT_LINK_SPEED_40GB    PORT_PHY_QCFG_RESP_LINK_SPEED_40GB
858 #define BNXT_LINK_SPEED_50GB    PORT_PHY_QCFG_RESP_LINK_SPEED_50GB
859 #define BNXT_LINK_SPEED_100GB   PORT_PHY_QCFG_RESP_LINK_SPEED_100GB
860         u16                     support_speeds;
861         u16                     auto_link_speeds;       /* fw adv setting */
862 #define BNXT_LINK_SPEED_MSK_100MB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_100MB
863 #define BNXT_LINK_SPEED_MSK_1GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_1GB
864 #define BNXT_LINK_SPEED_MSK_2GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_2GB
865 #define BNXT_LINK_SPEED_MSK_10GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_10GB
866 #define BNXT_LINK_SPEED_MSK_2_5GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_2_5GB
867 #define BNXT_LINK_SPEED_MSK_20GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_20GB
868 #define BNXT_LINK_SPEED_MSK_25GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_25GB
869 #define BNXT_LINK_SPEED_MSK_40GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_40GB
870 #define BNXT_LINK_SPEED_MSK_50GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_50GB
871 #define BNXT_LINK_SPEED_MSK_100GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_100GB
872         u16                     support_auto_speeds;
873         u16                     lp_auto_link_speeds;
874         u16                     force_link_speed;
875         u32                     preemphasis;
876         u8                      module_status;
877         u16                     fec_cfg;
878 #define BNXT_FEC_AUTONEG        PORT_PHY_QCFG_RESP_FEC_CFG_FEC_AUTONEG_ENABLED
879 #define BNXT_FEC_ENC_BASE_R     PORT_PHY_QCFG_RESP_FEC_CFG_FEC_CLAUSE74_ENABLED
880 #define BNXT_FEC_ENC_RS         PORT_PHY_QCFG_RESP_FEC_CFG_FEC_CLAUSE91_ENABLED
881
882         /* copy of requested setting from ethtool cmd */
883         u8                      autoneg;
884 #define BNXT_AUTONEG_SPEED              1
885 #define BNXT_AUTONEG_FLOW_CTRL          2
886         u8                      req_duplex;
887         u8                      req_flow_ctrl;
888         u16                     req_link_speed;
889         u16                     advertising;    /* user adv setting */
890         bool                    force_link_chng;
891
892         /* a copy of phy_qcfg output used to report link
893          * info to VF
894          */
895         struct hwrm_port_phy_qcfg_output phy_qcfg_resp;
896 };
897
898 #define BNXT_MAX_QUEUE  8
899
900 struct bnxt_queue_info {
901         u8      queue_id;
902         u8      queue_profile;
903 };
904
905 #define BNXT_MAX_LED                    4
906
907 struct bnxt_led_info {
908         u8      led_id;
909         u8      led_type;
910         u8      led_group_id;
911         u8      unused;
912         __le16  led_state_caps;
913 #define BNXT_LED_ALT_BLINK_CAP(x)       ((x) &  \
914         cpu_to_le16(PORT_LED_QCAPS_RESP_LED0_STATE_CAPS_BLINK_ALT_SUPPORTED))
915
916         __le16  led_color_caps;
917 };
918
919 #define BNXT_MAX_TEST   8
920
921 struct bnxt_test_info {
922         u8 offline_mask;
923         u16 timeout;
924         char string[BNXT_MAX_TEST][ETH_GSTRING_LEN];
925 };
926
927 #define BNXT_GRCPF_REG_WINDOW_BASE_OUT  0x400
928 #define BNXT_CAG_REG_LEGACY_INT_STATUS  0x4014
929 #define BNXT_CAG_REG_BASE               0x300000
930
931 struct bnxt {
932         void __iomem            *bar0;
933         void __iomem            *bar1;
934         void __iomem            *bar2;
935
936         u32                     reg_base;
937         u16                     chip_num;
938 #define CHIP_NUM_57301          0x16c8
939 #define CHIP_NUM_57302          0x16c9
940 #define CHIP_NUM_57304          0x16ca
941 #define CHIP_NUM_58700          0x16cd
942 #define CHIP_NUM_57402          0x16d0
943 #define CHIP_NUM_57404          0x16d1
944 #define CHIP_NUM_57406          0x16d2
945 #define CHIP_NUM_57407          0x16d5
946
947 #define CHIP_NUM_57311          0x16ce
948 #define CHIP_NUM_57312          0x16cf
949 #define CHIP_NUM_57314          0x16df
950 #define CHIP_NUM_57317          0x16e0
951 #define CHIP_NUM_57412          0x16d6
952 #define CHIP_NUM_57414          0x16d7
953 #define CHIP_NUM_57416          0x16d8
954 #define CHIP_NUM_57417          0x16d9
955 #define CHIP_NUM_57412L         0x16da
956 #define CHIP_NUM_57414L         0x16db
957
958 #define CHIP_NUM_5745X          0xd730
959
960 #define BNXT_CHIP_NUM_5730X(chip_num)           \
961         ((chip_num) >= CHIP_NUM_57301 &&        \
962          (chip_num) <= CHIP_NUM_57304)
963
964 #define BNXT_CHIP_NUM_5740X(chip_num)           \
965         (((chip_num) >= CHIP_NUM_57402 &&       \
966           (chip_num) <= CHIP_NUM_57406) ||      \
967          (chip_num) == CHIP_NUM_57407)
968
969 #define BNXT_CHIP_NUM_5731X(chip_num)           \
970         ((chip_num) == CHIP_NUM_57311 ||        \
971          (chip_num) == CHIP_NUM_57312 ||        \
972          (chip_num) == CHIP_NUM_57314 ||        \
973          (chip_num) == CHIP_NUM_57317)
974
975 #define BNXT_CHIP_NUM_5741X(chip_num)           \
976         ((chip_num) >= CHIP_NUM_57412 &&        \
977          (chip_num) <= CHIP_NUM_57414L)
978
979 #define BNXT_CHIP_NUM_58700(chip_num)           \
980          ((chip_num) == CHIP_NUM_58700)
981
982 #define BNXT_CHIP_NUM_5745X(chip_num)           \
983          ((chip_num) == CHIP_NUM_5745X)
984
985 #define BNXT_CHIP_NUM_57X0X(chip_num)           \
986         (BNXT_CHIP_NUM_5730X(chip_num) || BNXT_CHIP_NUM_5740X(chip_num))
987
988 #define BNXT_CHIP_NUM_57X1X(chip_num)           \
989         (BNXT_CHIP_NUM_5731X(chip_num) || BNXT_CHIP_NUM_5741X(chip_num))
990
991         struct net_device       *dev;
992         struct pci_dev          *pdev;
993
994         atomic_t                intr_sem;
995
996         u32                     flags;
997         #define BNXT_FLAG_DCB_ENABLED   0x1
998         #define BNXT_FLAG_VF            0x2
999         #define BNXT_FLAG_LRO           0x4
1000 #ifdef CONFIG_INET
1001         #define BNXT_FLAG_GRO           0x8
1002 #else
1003         /* Cannot support hardware GRO if CONFIG_INET is not set */
1004         #define BNXT_FLAG_GRO           0x0
1005 #endif
1006         #define BNXT_FLAG_TPA           (BNXT_FLAG_LRO | BNXT_FLAG_GRO)
1007         #define BNXT_FLAG_JUMBO         0x10
1008         #define BNXT_FLAG_STRIP_VLAN    0x20
1009         #define BNXT_FLAG_AGG_RINGS     (BNXT_FLAG_JUMBO | BNXT_FLAG_GRO | \
1010                                          BNXT_FLAG_LRO)
1011         #define BNXT_FLAG_USING_MSIX    0x40
1012         #define BNXT_FLAG_MSIX_CAP      0x80
1013         #define BNXT_FLAG_RFS           0x100
1014         #define BNXT_FLAG_SHARED_RINGS  0x200
1015         #define BNXT_FLAG_PORT_STATS    0x400
1016         #define BNXT_FLAG_UDP_RSS_CAP   0x800
1017         #define BNXT_FLAG_EEE_CAP       0x1000
1018         #define BNXT_FLAG_NEW_RSS_CAP   0x2000
1019         #define BNXT_FLAG_WOL_CAP       0x4000
1020         #define BNXT_FLAG_ROCEV1_CAP    0x8000
1021         #define BNXT_FLAG_ROCEV2_CAP    0x10000
1022         #define BNXT_FLAG_ROCE_CAP      (BNXT_FLAG_ROCEV1_CAP | \
1023                                          BNXT_FLAG_ROCEV2_CAP)
1024         #define BNXT_FLAG_NO_AGG_RINGS  0x20000
1025         #define BNXT_FLAG_RX_PAGE_MODE  0x40000
1026         #define BNXT_FLAG_FW_LLDP_AGENT 0x80000
1027         #define BNXT_FLAG_MULTI_HOST    0x100000
1028         #define BNXT_FLAG_SHORT_CMD     0x200000
1029         #define BNXT_FLAG_DOUBLE_DB     0x400000
1030         #define BNXT_FLAG_CHIP_NITRO_A0 0x1000000
1031
1032         #define BNXT_FLAG_ALL_CONFIG_FEATS (BNXT_FLAG_TPA |             \
1033                                             BNXT_FLAG_RFS |             \
1034                                             BNXT_FLAG_STRIP_VLAN)
1035
1036 #define BNXT_PF(bp)             (!((bp)->flags & BNXT_FLAG_VF))
1037 #define BNXT_VF(bp)             ((bp)->flags & BNXT_FLAG_VF)
1038 #define BNXT_NPAR(bp)           ((bp)->port_partition_type)
1039 #define BNXT_MH(bp)             ((bp)->flags & BNXT_FLAG_MULTI_HOST)
1040 #define BNXT_SINGLE_PF(bp)      (BNXT_PF(bp) && !BNXT_NPAR(bp) && !BNXT_MH(bp))
1041 #define BNXT_CHIP_TYPE_NITRO_A0(bp) ((bp)->flags & BNXT_FLAG_CHIP_NITRO_A0)
1042 #define BNXT_RX_PAGE_MODE(bp)   ((bp)->flags & BNXT_FLAG_RX_PAGE_MODE)
1043
1044 /* Chip class phase 4 and later */
1045 #define BNXT_CHIP_P4_PLUS(bp)                   \
1046         (BNXT_CHIP_NUM_57X1X((bp)->chip_num) || \
1047          BNXT_CHIP_NUM_5745X((bp)->chip_num) || \
1048          (BNXT_CHIP_NUM_58700((bp)->chip_num) &&        \
1049           !BNXT_CHIP_TYPE_NITRO_A0(bp)))
1050
1051         struct bnxt_en_dev      *edev;
1052         struct bnxt_en_dev *    (*ulp_probe)(struct net_device *);
1053
1054         struct bnxt_napi        **bnapi;
1055
1056         struct bnxt_rx_ring_info        *rx_ring;
1057         struct bnxt_tx_ring_info        *tx_ring;
1058         u16                     *tx_ring_map;
1059
1060         struct sk_buff *        (*gro_func)(struct bnxt_tpa_info *, int, int,
1061                                             struct sk_buff *);
1062
1063         struct sk_buff *        (*rx_skb_func)(struct bnxt *,
1064                                                struct bnxt_rx_ring_info *,
1065                                                u16, void *, u8 *, dma_addr_t,
1066                                                unsigned int);
1067
1068         u32                     rx_buf_size;
1069         u32                     rx_buf_use_size;        /* useable size */
1070         u16                     rx_offset;
1071         u16                     rx_dma_offset;
1072         enum dma_data_direction rx_dir;
1073         u32                     rx_ring_size;
1074         u32                     rx_agg_ring_size;
1075         u32                     rx_copy_thresh;
1076         u32                     rx_ring_mask;
1077         u32                     rx_agg_ring_mask;
1078         int                     rx_nr_pages;
1079         int                     rx_agg_nr_pages;
1080         int                     rx_nr_rings;
1081         int                     rsscos_nr_ctxs;
1082
1083         u32                     tx_ring_size;
1084         u32                     tx_ring_mask;
1085         int                     tx_nr_pages;
1086         int                     tx_nr_rings;
1087         int                     tx_nr_rings_per_tc;
1088         int                     tx_nr_rings_xdp;
1089
1090         int                     tx_wake_thresh;
1091         int                     tx_push_thresh;
1092         int                     tx_push_size;
1093
1094         u32                     cp_ring_size;
1095         u32                     cp_ring_mask;
1096         u32                     cp_bit;
1097         int                     cp_nr_pages;
1098         int                     cp_nr_rings;
1099
1100         int                     num_stat_ctxs;
1101
1102         /* grp_info indexed by completion ring index */
1103         struct bnxt_ring_grp_info       *grp_info;
1104         struct bnxt_vnic_info   *vnic_info;
1105         int                     nr_vnics;
1106         u32                     rss_hash_cfg;
1107
1108         u8                      max_tc;
1109         u8                      max_lltc;       /* lossless TCs */
1110         struct bnxt_queue_info  q_info[BNXT_MAX_QUEUE];
1111
1112         unsigned int            current_interval;
1113 #define BNXT_TIMER_INTERVAL     HZ
1114
1115         struct timer_list       timer;
1116
1117         unsigned long           state;
1118 #define BNXT_STATE_OPEN         0
1119 #define BNXT_STATE_IN_SP_TASK   1
1120
1121         struct bnxt_irq *irq_tbl;
1122         int                     total_irqs;
1123         u8                      mac_addr[ETH_ALEN];
1124
1125 #ifdef CONFIG_BNXT_DCB
1126         struct ieee_pfc         *ieee_pfc;
1127         struct ieee_ets         *ieee_ets;
1128         u8                      dcbx_cap;
1129         u8                      default_pri;
1130 #endif /* CONFIG_BNXT_DCB */
1131
1132         u32                     msg_enable;
1133
1134         u32                     hwrm_spec_code;
1135         u16                     hwrm_cmd_seq;
1136         u32                     hwrm_intr_seq_id;
1137         void                    *hwrm_short_cmd_req_addr;
1138         dma_addr_t              hwrm_short_cmd_req_dma_addr;
1139         void                    *hwrm_cmd_resp_addr;
1140         dma_addr_t              hwrm_cmd_resp_dma_addr;
1141         void                    *hwrm_dbg_resp_addr;
1142         dma_addr_t              hwrm_dbg_resp_dma_addr;
1143 #define HWRM_DBG_REG_BUF_SIZE   128
1144
1145         struct rx_port_stats    *hw_rx_port_stats;
1146         struct tx_port_stats    *hw_tx_port_stats;
1147         dma_addr_t              hw_rx_port_stats_map;
1148         dma_addr_t              hw_tx_port_stats_map;
1149         int                     hw_port_stats_size;
1150
1151         u16                     hwrm_max_req_len;
1152         int                     hwrm_cmd_timeout;
1153         struct mutex            hwrm_cmd_lock;  /* serialize hwrm messages */
1154         struct hwrm_ver_get_output      ver_resp;
1155 #define FW_VER_STR_LEN          32
1156 #define BC_HWRM_STR_LEN         21
1157 #define PHY_VER_STR_LEN         (FW_VER_STR_LEN - BC_HWRM_STR_LEN)
1158         char                    fw_ver_str[FW_VER_STR_LEN];
1159         __be16                  vxlan_port;
1160         u8                      vxlan_port_cnt;
1161         __le16                  vxlan_fw_dst_port_id;
1162         __be16                  nge_port;
1163         u8                      nge_port_cnt;
1164         __le16                  nge_fw_dst_port_id;
1165         u8                      port_partition_type;
1166
1167         u16                     rx_coal_ticks;
1168         u16                     rx_coal_ticks_irq;
1169         u16                     rx_coal_bufs;
1170         u16                     rx_coal_bufs_irq;
1171         u16                     tx_coal_ticks;
1172         u16                     tx_coal_ticks_irq;
1173         u16                     tx_coal_bufs;
1174         u16                     tx_coal_bufs_irq;
1175
1176 #define BNXT_USEC_TO_COAL_TIMER(x)      ((x) * 25 / 2)
1177
1178         u32                     stats_coal_ticks;
1179 #define BNXT_DEF_STATS_COAL_TICKS        1000000
1180 #define BNXT_MIN_STATS_COAL_TICKS         250000
1181 #define BNXT_MAX_STATS_COAL_TICKS        1000000
1182
1183         struct work_struct      sp_task;
1184         unsigned long           sp_event;
1185 #define BNXT_RX_MASK_SP_EVENT           0
1186 #define BNXT_RX_NTP_FLTR_SP_EVENT       1
1187 #define BNXT_LINK_CHNG_SP_EVENT         2
1188 #define BNXT_HWRM_EXEC_FWD_REQ_SP_EVENT 3
1189 #define BNXT_VXLAN_ADD_PORT_SP_EVENT    4
1190 #define BNXT_VXLAN_DEL_PORT_SP_EVENT    5
1191 #define BNXT_RESET_TASK_SP_EVENT        6
1192 #define BNXT_RST_RING_SP_EVENT          7
1193 #define BNXT_HWRM_PF_UNLOAD_SP_EVENT    8
1194 #define BNXT_PERIODIC_STATS_SP_EVENT    9
1195 #define BNXT_HWRM_PORT_MODULE_SP_EVENT  10
1196 #define BNXT_RESET_TASK_SILENT_SP_EVENT 11
1197 #define BNXT_GENEVE_ADD_PORT_SP_EVENT   12
1198 #define BNXT_GENEVE_DEL_PORT_SP_EVENT   13
1199 #define BNXT_LINK_SPEED_CHNG_SP_EVENT   14
1200
1201         struct bnxt_pf_info     pf;
1202 #ifdef CONFIG_BNXT_SRIOV
1203         int                     nr_vfs;
1204         struct bnxt_vf_info     vf;
1205         wait_queue_head_t       sriov_cfg_wait;
1206         bool                    sriov_cfg;
1207 #define BNXT_SRIOV_CFG_WAIT_TMO msecs_to_jiffies(10000)
1208 #endif
1209
1210 #define BNXT_NTP_FLTR_MAX_FLTR  4096
1211 #define BNXT_NTP_FLTR_HASH_SIZE 512
1212 #define BNXT_NTP_FLTR_HASH_MASK (BNXT_NTP_FLTR_HASH_SIZE - 1)
1213         struct hlist_head       ntp_fltr_hash_tbl[BNXT_NTP_FLTR_HASH_SIZE];
1214         spinlock_t              ntp_fltr_lock;  /* for hash table add, del */
1215
1216         unsigned long           *ntp_fltr_bmap;
1217         int                     ntp_fltr_count;
1218
1219         struct bnxt_link_info   link_info;
1220         struct ethtool_eee      eee;
1221         u32                     lpi_tmr_lo;
1222         u32                     lpi_tmr_hi;
1223
1224         u8                      num_tests;
1225         struct bnxt_test_info   *test_info;
1226
1227         u8                      wol_filter_id;
1228         u8                      wol;
1229
1230         u8                      num_leds;
1231         struct bnxt_led_info    leds[BNXT_MAX_LED];
1232
1233         struct bpf_prog         *xdp_prog;
1234 };
1235
1236 #define BNXT_RX_STATS_OFFSET(counter)                   \
1237         (offsetof(struct rx_port_stats, counter) / 8)
1238
1239 #define BNXT_TX_STATS_OFFSET(counter)                   \
1240         ((offsetof(struct tx_port_stats, counter) +     \
1241           sizeof(struct rx_port_stats) + 512) / 8)
1242
1243 #define I2C_DEV_ADDR_A0                         0xa0
1244 #define I2C_DEV_ADDR_A2                         0xa2
1245 #define SFP_EEPROM_SFF_8472_COMP_ADDR           0x5e
1246 #define SFP_EEPROM_SFF_8472_COMP_SIZE           1
1247 #define SFF_MODULE_ID_SFP                       0x3
1248 #define SFF_MODULE_ID_QSFP                      0xc
1249 #define SFF_MODULE_ID_QSFP_PLUS                 0xd
1250 #define SFF_MODULE_ID_QSFP28                    0x11
1251 #define BNXT_MAX_PHY_I2C_RESP_SIZE              64
1252
1253 static inline u32 bnxt_tx_avail(struct bnxt *bp, struct bnxt_tx_ring_info *txr)
1254 {
1255         /* Tell compiler to fetch tx indices from memory. */
1256         barrier();
1257
1258         return bp->tx_ring_size -
1259                 ((txr->tx_prod - txr->tx_cons) & bp->tx_ring_mask);
1260 }
1261
1262 /* For TX and RX ring doorbells */
1263 static inline void bnxt_db_write(struct bnxt *bp, void __iomem *db, u32 val)
1264 {
1265         writel(val, db);
1266         if (bp->flags & BNXT_FLAG_DOUBLE_DB)
1267                 writel(val, db);
1268 }
1269
1270 extern const u16 bnxt_lhint_arr[];
1271
1272 int bnxt_alloc_rx_data(struct bnxt *bp, struct bnxt_rx_ring_info *rxr,
1273                        u16 prod, gfp_t gfp);
1274 void bnxt_reuse_rx_data(struct bnxt_rx_ring_info *rxr, u16 cons, void *data);
1275 void bnxt_set_tpa_flags(struct bnxt *bp);
1276 void bnxt_set_ring_params(struct bnxt *);
1277 int bnxt_set_rx_skb_mode(struct bnxt *bp, bool page_mode);
1278 void bnxt_hwrm_cmd_hdr_init(struct bnxt *, void *, u16, u16, u16);
1279 int _hwrm_send_message(struct bnxt *, void *, u32, int);
1280 int hwrm_send_message(struct bnxt *, void *, u32, int);
1281 int hwrm_send_message_silent(struct bnxt *, void *, u32, int);
1282 int bnxt_hwrm_func_rgtr_async_events(struct bnxt *bp, unsigned long *bmap,
1283                                      int bmap_size);
1284 int bnxt_hwrm_vnic_cfg(struct bnxt *bp, u16 vnic_id);
1285 int __bnxt_hwrm_get_tx_rings(struct bnxt *bp, u16 fid, int *tx_rings);
1286 int bnxt_hwrm_set_coal(struct bnxt *);
1287 unsigned int bnxt_get_max_func_stat_ctxs(struct bnxt *bp);
1288 void bnxt_set_max_func_stat_ctxs(struct bnxt *bp, unsigned int max);
1289 unsigned int bnxt_get_max_func_cp_rings(struct bnxt *bp);
1290 void bnxt_set_max_func_cp_rings(struct bnxt *bp, unsigned int max);
1291 void bnxt_set_max_func_irqs(struct bnxt *bp, unsigned int max);
1292 void bnxt_tx_disable(struct bnxt *bp);
1293 void bnxt_tx_enable(struct bnxt *bp);
1294 int bnxt_hwrm_set_pause(struct bnxt *);
1295 int bnxt_hwrm_set_link_setting(struct bnxt *, bool, bool);
1296 int bnxt_hwrm_alloc_wol_fltr(struct bnxt *bp);
1297 int bnxt_hwrm_free_wol_fltr(struct bnxt *bp);
1298 int bnxt_hwrm_fw_set_time(struct bnxt *);
1299 int bnxt_open_nic(struct bnxt *, bool, bool);
1300 int bnxt_half_open_nic(struct bnxt *bp);
1301 void bnxt_half_close_nic(struct bnxt *bp);
1302 int bnxt_close_nic(struct bnxt *, bool, bool);
1303 int bnxt_reserve_rings(struct bnxt *bp, int tx, int rx, int tcs, int tx_xdp);
1304 int bnxt_setup_mq_tc(struct net_device *dev, u8 tc);
1305 int bnxt_get_max_rings(struct bnxt *, int *, int *, bool);
1306 void bnxt_restore_pf_fw_resources(struct bnxt *bp);
1307 #endif