1 /*
2 * Copyright (C) 2017 Netronome Systems, Inc.
3 *
4 * This software is dual licensed under the GNU General License Version 2,
5 * June 1991 as shown in the file COPYING in the top-level directory of this
6 * source tree or the BSD 2-Clause License provided below. You have the
7 * option to license this software under the complete terms of either license.
8 *
9 * The BSD 2-Clause License:
10 *
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
13 * conditions are met:
14 *
15 * 1. Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer.
18 *
19 * 2. Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 */
33
34 #ifndef NFP_FLOWER_CMSG_H
35 #define NFP_FLOWER_CMSG_H
36
37 #include <linux/bitfield.h>
38 #include <linux/skbuff.h>
39 #include <linux/types.h>
40 #include <net/geneve.h>
41
42 #include "../nfp_app.h"
43 #include "../nfpcore/nfp_cpp.h"
44
45 #define NFP_FLOWER_LAYER_EXT_META BIT(0)
46 #define NFP_FLOWER_LAYER_PORT BIT(1)
47 #define NFP_FLOWER_LAYER_MAC BIT(2)
48 #define NFP_FLOWER_LAYER_TP BIT(3)
49 #define NFP_FLOWER_LAYER_IPV4 BIT(4)
50 #define NFP_FLOWER_LAYER_IPV6 BIT(5)
51 #define NFP_FLOWER_LAYER_CT BIT(6)
52 #define NFP_FLOWER_LAYER_VXLAN BIT(7)
53
54 #define NFP_FLOWER_LAYER2_GENEVE BIT(5)
55 #define NFP_FLOWER_LAYER2_GENEVE_OP BIT(6)
56
57 #define NFP_FLOWER_MASK_VLAN_PRIO GENMASK(15, 13)
58 #define NFP_FLOWER_MASK_VLAN_CFI BIT(12)
59 #define NFP_FLOWER_MASK_VLAN_VID GENMASK(11, 0)
60
61 #define NFP_FLOWER_MASK_MPLS_LB GENMASK(31, 12)
62 #define NFP_FLOWER_MASK_MPLS_TC GENMASK(11, 9)
63 #define NFP_FLOWER_MASK_MPLS_BOS BIT(8)
64 #define NFP_FLOWER_MASK_MPLS_Q BIT(0)
65
66 #define NFP_FL_IP_FRAG_FIRST BIT(7)
67 #define NFP_FL_IP_FRAGMENTED BIT(6)
68
69 /* Compressed HW representation of TCP Flags */
70 #define NFP_FL_TCP_FLAG_URG BIT(4)
71 #define NFP_FL_TCP_FLAG_PSH BIT(3)
72 #define NFP_FL_TCP_FLAG_RST BIT(2)
73 #define NFP_FL_TCP_FLAG_SYN BIT(1)
74 #define NFP_FL_TCP_FLAG_FIN BIT(0)
75
76 #define NFP_FL_SC_ACT_DROP 0x80000000
77 #define NFP_FL_SC_ACT_USER 0x7D000000
78 #define NFP_FL_SC_ACT_POPV 0x6A000000
79 #define NFP_FL_SC_ACT_NULL 0x00000000
80
81 /* The maximum action list size (in bytes) supported by the NFP.
82 */
83 #define NFP_FL_MAX_A_SIZ 1216
84 #define NFP_FL_LW_SIZ 2
85
86 /* Maximum allowed geneve options */
87 #define NFP_FL_MAX_GENEVE_OPT_ACT 32
88 #define NFP_FL_MAX_GENEVE_OPT_CNT 64
89 #define NFP_FL_MAX_GENEVE_OPT_KEY 32
90
91 /* Action opcodes */
92 #define NFP_FL_ACTION_OPCODE_OUTPUT 0
93 #define NFP_FL_ACTION_OPCODE_PUSH_VLAN 1
94 #define NFP_FL_ACTION_OPCODE_POP_VLAN 2
95 #define NFP_FL_ACTION_OPCODE_SET_IPV4_TUNNEL 6
96 #define NFP_FL_ACTION_OPCODE_SET_ETHERNET 7
97 #define NFP_FL_ACTION_OPCODE_SET_IPV4_ADDRS 9
98 #define NFP_FL_ACTION_OPCODE_SET_IPV6_SRC 11
99 #define NFP_FL_ACTION_OPCODE_SET_IPV6_DST 12
100 #define NFP_FL_ACTION_OPCODE_SET_UDP 14
101 #define NFP_FL_ACTION_OPCODE_SET_TCP 15
102 #define NFP_FL_ACTION_OPCODE_PRE_LAG 16
103 #define NFP_FL_ACTION_OPCODE_PRE_TUNNEL 17
104 #define NFP_FL_ACTION_OPCODE_PUSH_GENEVE 26
105 #define NFP_FL_ACTION_OPCODE_NUM 32
106
107 #define NFP_FL_OUT_FLAGS_LAST BIT(15)
108 #define NFP_FL_OUT_FLAGS_USE_TUN BIT(4)
109 #define NFP_FL_OUT_FLAGS_TYPE_IDX GENMASK(2, 0)
110
111 #define NFP_FL_PUSH_VLAN_PRIO GENMASK(15, 13)
112 #define NFP_FL_PUSH_VLAN_CFI BIT(12)
113 #define NFP_FL_PUSH_VLAN_VID GENMASK(11, 0)
114
115 /* LAG ports */
116 #define NFP_FL_LAG_OUT 0xC0DE0000
117
118 /* Tunnel ports */
119 #define NFP_FL_PORT_TYPE_TUN 0x50000000
120 #define NFP_FL_IPV4_TUNNEL_TYPE GENMASK(7, 4)
121 #define NFP_FL_IPV4_PRE_TUN_INDEX GENMASK(2, 0)
122
123 #define NFP_FLOWER_WORKQ_MAX_SKBS 30000
124
125 #define nfp_flower_cmsg_warn(app, fmt, args...) \
126 do { \
127 if (net_ratelimit()) \
128 nfp_warn((app)->cpp, fmt, ## args); \
129 } while (0)
130
131 enum nfp_flower_tun_type {
132 NFP_FL_TUNNEL_NONE = 0,
133 NFP_FL_TUNNEL_VXLAN = 2,
134 NFP_FL_TUNNEL_GENEVE = 4,
135 };
136
137 struct nfp_fl_act_head {
138 u8 jump_id;
139 u8 len_lw;
140 };
141
142 struct nfp_fl_set_eth {
143 struct nfp_fl_act_head head;
144 __be16 reserved;
145 u8 eth_addr_mask[ETH_ALEN * 2];
146 u8 eth_addr_val[ETH_ALEN * 2];
147 };
148
149 struct nfp_fl_set_ip4_addrs {
150 struct nfp_fl_act_head head;
151 __be16 reserved;
152 __be32 ipv4_src_mask;
153 __be32 ipv4_src;
154 __be32 ipv4_dst_mask;
155 __be32 ipv4_dst;
156 };
157
158 struct nfp_fl_set_ipv6_addr {
159 struct nfp_fl_act_head head;
160 __be16 reserved;
161 struct {
162 __be32 mask;
163 __be32 exact;
164 } ipv6[4];
165 };
166
167 struct nfp_fl_set_tport {
168 struct nfp_fl_act_head head;
169 __be16 reserved;
170 u8 tp_port_mask[4];
171 u8 tp_port_val[4];
172 };
173
174 struct nfp_fl_output {
175 struct nfp_fl_act_head head;
176 __be16 flags;
177 __be32 port;
178 };
179
180 struct nfp_fl_push_vlan {
181 struct nfp_fl_act_head head;
182 __be16 reserved;
183 __be16 vlan_tpid;
184 __be16 vlan_tci;
185 };
186
187 struct nfp_fl_pop_vlan {
188 struct nfp_fl_act_head head;
189 __be16 reserved;
190 };
191
192 struct nfp_fl_pre_lag {
193 struct nfp_fl_act_head head;
194 __be16 group_id;
195 u8 lag_version[3];
196 u8 instance;
197 };
198
199 #define NFP_FL_PRE_LAG_VER_OFF 8
200
201 struct nfp_fl_pre_tunnel {
202 struct nfp_fl_act_head head;
203 __be16 reserved;
204 __be32 ipv4_dst;
205 /* reserved for use with IPv6 addresses */
206 __be32 extra[3];
207 };
208
209 struct nfp_fl_set_ipv4_udp_tun {
210 struct nfp_fl_act_head head;
211 __be16 reserved;
212 __be64 tun_id __packed;
213 __be32 tun_type_index;
214 __be16 tun_flags;
215 u8 ttl;
216 u8 tos;
217 __be32 extra;
218 u8 tun_len;
219 u8 res2;
220 __be16 tun_proto;
221 };
222
223 struct nfp_fl_push_geneve {
224 struct nfp_fl_act_head head;
225 __be16 reserved;
226 __be16 class;
227 u8 type;
228 u8 length;
229 u8 opt_data[];
230 };
231
232 /* Metadata with L2 (1W/4B)
233 * ----------------------------------------------------------------
234 * 3 2 1
235 * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
236 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
237 * | key_type | mask_id | PCP |p| vlan outermost VID |
238 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
239 * ^ ^
240 * NOTE: | TCI |
241 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
242 */
243 struct nfp_flower_meta_tci {
244 u8 nfp_flow_key_layer;
245 u8 mask_id;
246 __be16 tci;
247 };
248
249 /* Extended metadata for additional key_layers (1W/4B)
250 * ----------------------------------------------------------------
251 * 3 2 1
252 * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
253 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
254 * | nfp_flow_key_layer2 |
255 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
256 */
257 struct nfp_flower_ext_meta {
258 __be32 nfp_flow_key_layer2;
259 };
260
261 /* Port details (1W/4B)
262 * ----------------------------------------------------------------
263 * 3 2 1
264 * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
265 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
266 * | port_ingress |
267 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
268 */
269 struct nfp_flower_in_port {
270 __be32 in_port;
271 };
272
273 /* L2 details (4W/16B)
274 * 3 2 1
275 * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
276 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
277 * | mac_addr_dst, 31 - 0 |
278 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
279 * | mac_addr_dst, 47 - 32 | mac_addr_src, 15 - 0 |
280 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
281 * | mac_addr_src, 47 - 16 |
282 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
283 * | mpls outermost label | TC |B| reserved |q|
284 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
285 */
286 struct nfp_flower_mac_mpls {
287 u8 mac_dst[6];
288 u8 mac_src[6];
289 __be32 mpls_lse;
290 };
291
292 /* L4 ports (for UDP, TCP, SCTP) (1W/4B)
293 * 3 2 1
294 * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
295 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
296 * | port_src | port_dst |
297 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
298 */
299 struct nfp_flower_tp_ports {
300 __be16 port_src;
301 __be16 port_dst;
302 };
303
304 struct nfp_flower_ip_ext {
305 u8 tos;
306 u8 proto;
307 u8 ttl;
308 u8 flags;
309 };
310
311 /* L3 IPv4 details (3W/12B)
312 * 3 2 1
313 * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
314 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
315 * | DSCP |ECN| protocol | ttl | flags |
316 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
317 * | ipv4_addr_src |
318 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
319 * | ipv4_addr_dst |
320 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
321 */
322 struct nfp_flower_ipv4 {
323 struct nfp_flower_ip_ext ip_ext;
324 __be32 ipv4_src;
325 __be32 ipv4_dst;
326 };
327
328 /* L3 IPv6 details (10W/40B)
329 * 3 2 1
330 * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
331 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
332 * | DSCP |ECN| protocol | ttl | flags |
333 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
334 * | ipv6_exthdr | res | ipv6_flow_label |
335 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
336 * | ipv6_addr_src, 31 - 0 |
337 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
338 * | ipv6_addr_src, 63 - 32 |
339 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
340 * | ipv6_addr_src, 95 - 64 |
341 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
342 * | ipv6_addr_src, 127 - 96 |
343 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
344 * | ipv6_addr_dst, 31 - 0 |
345 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
346 * | ipv6_addr_dst, 63 - 32 |
347 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
348 * | ipv6_addr_dst, 95 - 64 |
349 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
350 * | ipv6_addr_dst, 127 - 96 |
351 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
352 */
353 struct nfp_flower_ipv6 {
354 struct nfp_flower_ip_ext ip_ext;
355 __be32 ipv6_flow_label_exthdr;
356 struct in6_addr ipv6_src;
357 struct in6_addr ipv6_dst;
358 };
359
360 /* Flow Frame IPv4 UDP TUNNEL --> Tunnel details (4W/16B)
361 * -----------------------------------------------------------------
362 * 3 2 1
363 * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
364 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
365 * | ipv4_addr_src |
366 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
367 * | ipv4_addr_dst |
368 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
369 * | Reserved | tos | ttl |
370 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
371 * | Reserved |
372 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
373 * | VNI | Reserved |
374 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
375 */
376 struct nfp_flower_ipv4_udp_tun {
377 __be32 ip_src;
378 __be32 ip_dst;
379 __be16 reserved1;
380 u8 tos;
381 u8 ttl;
382 __be32 reserved2;
383 __be32 tun_id;
384 };
385
386 struct nfp_flower_geneve_options {
387 u8 data[NFP_FL_MAX_GENEVE_OPT_KEY];
388 };
389
390 #define NFP_FL_TUN_VNI_OFFSET 8
391
392 /* The base header for a control message packet.
393 * Defines an 8-bit version, and an 8-bit type, padded
394 * to a 32-bit word. Rest of the packet is type-specific.
395 */
396 struct nfp_flower_cmsg_hdr {
397 __be16 pad;
398 u8 type;
399 u8 version;
400 };
401
402 #define NFP_FLOWER_CMSG_HLEN sizeof(struct nfp_flower_cmsg_hdr)
403 #define NFP_FLOWER_CMSG_VER1 1
404
405 /* Types defined for port related control messages */
406 enum nfp_flower_cmsg_type_port {
407 NFP_FLOWER_CMSG_TYPE_FLOW_ADD = 0,
408 NFP_FLOWER_CMSG_TYPE_FLOW_DEL = 2,
409 NFP_FLOWER_CMSG_TYPE_LAG_CONFIG = 4,
410 NFP_FLOWER_CMSG_TYPE_PORT_REIFY = 6,
411 NFP_FLOWER_CMSG_TYPE_MAC_REPR = 7,
412 NFP_FLOWER_CMSG_TYPE_PORT_MOD = 8,
413 NFP_FLOWER_CMSG_TYPE_NO_NEIGH = 10,
414 NFP_FLOWER_CMSG_TYPE_TUN_MAC = 11,
415 NFP_FLOWER_CMSG_TYPE_ACTIVE_TUNS = 12,
416 NFP_FLOWER_CMSG_TYPE_TUN_NEIGH = 13,
417 NFP_FLOWER_CMSG_TYPE_TUN_IPS = 14,
418 NFP_FLOWER_CMSG_TYPE_FLOW_STATS = 15,
419 NFP_FLOWER_CMSG_TYPE_PORT_ECHO = 16,
420 NFP_FLOWER_CMSG_TYPE_MAX = 32,
421 };
422
423 /* NFP_FLOWER_CMSG_TYPE_MAC_REPR */
424 struct nfp_flower_cmsg_mac_repr {
425 u8 reserved[3];
426 u8 num_ports;
427 struct {
428 u8 idx;
429 u8 info;
430 u8 nbi_port;
431 u8 phys_port;
432 } ports[0];
433 };
434
435 #define NFP_FLOWER_CMSG_MAC_REPR_NBI GENMASK(1, 0)
436
437 /* NFP_FLOWER_CMSG_TYPE_PORT_MOD */
438 struct nfp_flower_cmsg_portmod {
439 __be32 portnum;
440 u8 reserved;
441 u8 info;
442 __be16 mtu;
443 };
444
445 #define NFP_FLOWER_CMSG_PORTMOD_INFO_LINK BIT(0)
446 #define NFP_FLOWER_CMSG_PORTMOD_MTU_CHANGE_ONLY BIT(1)
447
448 /* NFP_FLOWER_CMSG_TYPE_PORT_REIFY */
449 struct nfp_flower_cmsg_portreify {
450 __be32 portnum;
451 u16 reserved;
452 __be16 info;
453 };
454
455 #define NFP_FLOWER_CMSG_PORTREIFY_INFO_EXIST BIT(0)
456
457 enum nfp_flower_cmsg_port_type {
458 NFP_FLOWER_CMSG_PORT_TYPE_UNSPEC = 0x0,
459 NFP_FLOWER_CMSG_PORT_TYPE_PHYS_PORT = 0x1,
460 NFP_FLOWER_CMSG_PORT_TYPE_PCIE_PORT = 0x2,
461 NFP_FLOWER_CMSG_PORT_TYPE_OTHER_PORT = 0x3,
462 };
463
464 enum nfp_flower_cmsg_port_vnic_type {
465 NFP_FLOWER_CMSG_PORT_VNIC_TYPE_VF = 0x0,
466 NFP_FLOWER_CMSG_PORT_VNIC_TYPE_PF = 0x1,
467 NFP_FLOWER_CMSG_PORT_VNIC_TYPE_CTRL = 0x2,
468 };
469
470 #define NFP_FLOWER_CMSG_PORT_TYPE GENMASK(31, 28)
471 #define NFP_FLOWER_CMSG_PORT_SYS_ID GENMASK(27, 24)
472 #define NFP_FLOWER_CMSG_PORT_NFP_ID GENMASK(23, 22)
473 #define NFP_FLOWER_CMSG_PORT_PCI GENMASK(15, 14)
474 #define NFP_FLOWER_CMSG_PORT_VNIC_TYPE GENMASK(13, 12)
475 #define NFP_FLOWER_CMSG_PORT_VNIC GENMASK(11, 6)
476 #define NFP_FLOWER_CMSG_PORT_PCIE_Q GENMASK(5, 0)
477 #define NFP_FLOWER_CMSG_PORT_PHYS_PORT_NUM GENMASK(7, 0)
478
nfp_flower_cmsg_phys_port(u8 phys_port)479 static inline u32 nfp_flower_cmsg_phys_port(u8 phys_port)
480 {
481 return FIELD_PREP(NFP_FLOWER_CMSG_PORT_PHYS_PORT_NUM, phys_port) |
482 FIELD_PREP(NFP_FLOWER_CMSG_PORT_TYPE,
483 NFP_FLOWER_CMSG_PORT_TYPE_PHYS_PORT);
484 }
485
486 static inline u32
nfp_flower_cmsg_pcie_port(u8 nfp_pcie,enum nfp_flower_cmsg_port_vnic_type type,u8 vnic,u8 q)487 nfp_flower_cmsg_pcie_port(u8 nfp_pcie, enum nfp_flower_cmsg_port_vnic_type type,
488 u8 vnic, u8 q)
489 {
490 return FIELD_PREP(NFP_FLOWER_CMSG_PORT_PCI, nfp_pcie) |
491 FIELD_PREP(NFP_FLOWER_CMSG_PORT_VNIC_TYPE, type) |
492 FIELD_PREP(NFP_FLOWER_CMSG_PORT_VNIC, vnic) |
493 FIELD_PREP(NFP_FLOWER_CMSG_PORT_PCIE_Q, q) |
494 FIELD_PREP(NFP_FLOWER_CMSG_PORT_TYPE,
495 NFP_FLOWER_CMSG_PORT_TYPE_PCIE_PORT);
496 }
497
nfp_flower_cmsg_get_data(struct sk_buff * skb)498 static inline void *nfp_flower_cmsg_get_data(struct sk_buff *skb)
499 {
500 return (unsigned char *)skb->data + NFP_FLOWER_CMSG_HLEN;
501 }
502
nfp_flower_cmsg_get_data_len(struct sk_buff * skb)503 static inline int nfp_flower_cmsg_get_data_len(struct sk_buff *skb)
504 {
505 return skb->len - NFP_FLOWER_CMSG_HLEN;
506 }
507
508 struct sk_buff *
509 nfp_flower_cmsg_mac_repr_start(struct nfp_app *app, unsigned int num_ports);
510 void
511 nfp_flower_cmsg_mac_repr_add(struct sk_buff *skb, unsigned int idx,
512 unsigned int nbi, unsigned int nbi_port,
513 unsigned int phys_port);
514 int nfp_flower_cmsg_portmod(struct nfp_repr *repr, bool carrier_ok,
515 unsigned int mtu, bool mtu_only);
516 int nfp_flower_cmsg_portreify(struct nfp_repr *repr, bool exists);
517 void nfp_flower_cmsg_process_rx(struct work_struct *work);
518 void nfp_flower_cmsg_rx(struct nfp_app *app, struct sk_buff *skb);
519 struct sk_buff *
520 nfp_flower_cmsg_alloc(struct nfp_app *app, unsigned int size,
521 enum nfp_flower_cmsg_type_port type, gfp_t flag);
522
523 #endif
524
