2 * Copyright (C) 2017 Netronome Systems, Inc.
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.
9 * The BSD 2-Clause License:
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
15 * 1. Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
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.
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
34 #ifndef NFP_FLOWER_CMSG_H
35 #define NFP_FLOWER_CMSG_H
37 #include <linux/bitfield.h>
38 #include <linux/skbuff.h>
39 #include <linux/types.h>
41 #include "../nfp_app.h"
42 #include "../nfpcore/nfp_cpp.h"
44 #define NFP_FLOWER_LAYER_EXT_META BIT(0)
45 #define NFP_FLOWER_LAYER_PORT BIT(1)
46 #define NFP_FLOWER_LAYER_MAC BIT(2)
47 #define NFP_FLOWER_LAYER_TP BIT(3)
48 #define NFP_FLOWER_LAYER_IPV4 BIT(4)
49 #define NFP_FLOWER_LAYER_IPV6 BIT(5)
50 #define NFP_FLOWER_LAYER_CT BIT(6)
51 #define NFP_FLOWER_LAYER_VXLAN BIT(7)
53 #define NFP_FLOWER_LAYER2_GENEVE BIT(5)
55 #define NFP_FLOWER_MASK_VLAN_PRIO GENMASK(15, 13)
56 #define NFP_FLOWER_MASK_VLAN_CFI BIT(12)
57 #define NFP_FLOWER_MASK_VLAN_VID GENMASK(11, 0)
59 #define NFP_FLOWER_MASK_MPLS_LB GENMASK(31, 12)
60 #define NFP_FLOWER_MASK_MPLS_TC GENMASK(11, 9)
61 #define NFP_FLOWER_MASK_MPLS_BOS BIT(8)
62 #define NFP_FLOWER_MASK_MPLS_Q BIT(0)
64 #define NFP_FL_IP_FRAG_FIRST BIT(7)
65 #define NFP_FL_IP_FRAGMENTED BIT(6)
67 /* Compressed HW representation of TCP Flags */
68 #define NFP_FL_TCP_FLAG_URG BIT(4)
69 #define NFP_FL_TCP_FLAG_PSH BIT(3)
70 #define NFP_FL_TCP_FLAG_RST BIT(2)
71 #define NFP_FL_TCP_FLAG_SYN BIT(1)
72 #define NFP_FL_TCP_FLAG_FIN BIT(0)
74 #define NFP_FL_SC_ACT_DROP 0x80000000
75 #define NFP_FL_SC_ACT_USER 0x7D000000
76 #define NFP_FL_SC_ACT_POPV 0x6A000000
77 #define NFP_FL_SC_ACT_NULL 0x00000000
79 /* The maximum action list size (in bytes) supported by the NFP.
81 #define NFP_FL_MAX_A_SIZ 1216
82 #define NFP_FL_LW_SIZ 2
85 #define NFP_FL_ACTION_OPCODE_OUTPUT 0
86 #define NFP_FL_ACTION_OPCODE_PUSH_VLAN 1
87 #define NFP_FL_ACTION_OPCODE_POP_VLAN 2
88 #define NFP_FL_ACTION_OPCODE_SET_IPV4_TUNNEL 6
89 #define NFP_FL_ACTION_OPCODE_SET_ETHERNET 7
90 #define NFP_FL_ACTION_OPCODE_SET_IPV4_ADDRS 9
91 #define NFP_FL_ACTION_OPCODE_SET_IPV6_SRC 11
92 #define NFP_FL_ACTION_OPCODE_SET_IPV6_DST 12
93 #define NFP_FL_ACTION_OPCODE_SET_UDP 14
94 #define NFP_FL_ACTION_OPCODE_SET_TCP 15
95 #define NFP_FL_ACTION_OPCODE_PRE_TUNNEL 17
96 #define NFP_FL_ACTION_OPCODE_NUM 32
98 #define NFP_FL_OUT_FLAGS_LAST BIT(15)
99 #define NFP_FL_OUT_FLAGS_USE_TUN BIT(4)
100 #define NFP_FL_OUT_FLAGS_TYPE_IDX GENMASK(2, 0)
102 #define NFP_FL_PUSH_VLAN_PRIO GENMASK(15, 13)
103 #define NFP_FL_PUSH_VLAN_CFI BIT(12)
104 #define NFP_FL_PUSH_VLAN_VID GENMASK(11, 0)
107 #define NFP_FL_PORT_TYPE_TUN 0x50000000
108 #define NFP_FL_IPV4_TUNNEL_TYPE GENMASK(7, 4)
109 #define NFP_FL_IPV4_PRE_TUN_INDEX GENMASK(2, 0)
111 #define nfp_flower_cmsg_warn(app, fmt, args...) \
113 if (net_ratelimit()) \
114 nfp_warn((app)->cpp, fmt, ## args); \
117 enum nfp_flower_tun_type {
118 NFP_FL_TUNNEL_NONE = 0,
119 NFP_FL_TUNNEL_VXLAN = 2,
120 NFP_FL_TUNNEL_GENEVE = 4,
123 struct nfp_fl_act_head {
128 struct nfp_fl_set_eth {
129 struct nfp_fl_act_head head;
131 u8 eth_addr_mask[ETH_ALEN * 2];
132 u8 eth_addr_val[ETH_ALEN * 2];
135 struct nfp_fl_set_ip4_addrs {
136 struct nfp_fl_act_head head;
138 __be32 ipv4_src_mask;
140 __be32 ipv4_dst_mask;
144 struct nfp_fl_set_ipv6_addr {
145 struct nfp_fl_act_head head;
153 struct nfp_fl_set_tport {
154 struct nfp_fl_act_head head;
160 struct nfp_fl_output {
161 struct nfp_fl_act_head head;
166 struct nfp_fl_push_vlan {
167 struct nfp_fl_act_head head;
173 struct nfp_fl_pop_vlan {
174 struct nfp_fl_act_head head;
178 struct nfp_fl_pre_tunnel {
179 struct nfp_fl_act_head head;
182 /* reserved for use with IPv6 addresses */
186 struct nfp_fl_set_ipv4_udp_tun {
187 struct nfp_fl_act_head head;
189 __be64 tun_id __packed;
190 __be32 tun_type_index;
194 /* Metadata with L2 (1W/4B)
195 * ----------------------------------------------------------------
197 * 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
198 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
199 * | key_type | mask_id | PCP |p| vlan outermost VID |
200 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
203 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
205 struct nfp_flower_meta_tci {
206 u8 nfp_flow_key_layer;
211 /* Extended metadata for additional key_layers (1W/4B)
212 * ----------------------------------------------------------------
214 * 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
215 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
216 * | nfp_flow_key_layer2 |
217 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
219 struct nfp_flower_ext_meta {
220 __be32 nfp_flow_key_layer2;
223 /* Port details (1W/4B)
224 * ----------------------------------------------------------------
226 * 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
227 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
229 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
231 struct nfp_flower_in_port {
235 /* L2 details (4W/16B)
237 * 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
238 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
239 * | mac_addr_dst, 31 - 0 |
240 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
241 * | mac_addr_dst, 47 - 32 | mac_addr_src, 15 - 0 |
242 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
243 * | mac_addr_src, 47 - 16 |
244 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
245 * | mpls outermost label | TC |B| reserved |q|
246 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
248 struct nfp_flower_mac_mpls {
254 /* L4 ports (for UDP, TCP, SCTP) (1W/4B)
256 * 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
257 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
258 * | port_src | port_dst |
259 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
261 struct nfp_flower_tp_ports {
266 struct nfp_flower_ip_ext {
273 /* L3 IPv4 details (3W/12B)
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 * | DSCP |ECN| protocol | ttl | flags |
278 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
280 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
282 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
284 struct nfp_flower_ipv4 {
285 struct nfp_flower_ip_ext ip_ext;
290 /* L3 IPv6 details (10W/40B)
292 * 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
293 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
294 * | DSCP |ECN| protocol | ttl | flags |
295 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
296 * | ipv6_exthdr | res | ipv6_flow_label |
297 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
298 * | ipv6_addr_src, 31 - 0 |
299 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
300 * | ipv6_addr_src, 63 - 32 |
301 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
302 * | ipv6_addr_src, 95 - 64 |
303 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
304 * | ipv6_addr_src, 127 - 96 |
305 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
306 * | ipv6_addr_dst, 31 - 0 |
307 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
308 * | ipv6_addr_dst, 63 - 32 |
309 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
310 * | ipv6_addr_dst, 95 - 64 |
311 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
312 * | ipv6_addr_dst, 127 - 96 |
313 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
315 struct nfp_flower_ipv6 {
316 struct nfp_flower_ip_ext ip_ext;
317 __be32 ipv6_flow_label_exthdr;
318 struct in6_addr ipv6_src;
319 struct in6_addr ipv6_dst;
322 /* Flow Frame IPv4 UDP TUNNEL --> Tunnel details (4W/16B)
323 * -----------------------------------------------------------------
325 * 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
326 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
328 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
330 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
332 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
334 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
336 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
338 struct nfp_flower_ipv4_udp_tun {
345 #define NFP_FL_TUN_VNI_OFFSET 8
347 /* The base header for a control message packet.
348 * Defines an 8-bit version, and an 8-bit type, padded
349 * to a 32-bit word. Rest of the packet is type-specific.
351 struct nfp_flower_cmsg_hdr {
357 #define NFP_FLOWER_CMSG_HLEN sizeof(struct nfp_flower_cmsg_hdr)
358 #define NFP_FLOWER_CMSG_VER1 1
360 /* Types defined for port related control messages */
361 enum nfp_flower_cmsg_type_port {
362 NFP_FLOWER_CMSG_TYPE_FLOW_ADD = 0,
363 NFP_FLOWER_CMSG_TYPE_FLOW_DEL = 2,
364 NFP_FLOWER_CMSG_TYPE_PORT_REIFY = 6,
365 NFP_FLOWER_CMSG_TYPE_MAC_REPR = 7,
366 NFP_FLOWER_CMSG_TYPE_PORT_MOD = 8,
367 NFP_FLOWER_CMSG_TYPE_NO_NEIGH = 10,
368 NFP_FLOWER_CMSG_TYPE_TUN_MAC = 11,
369 NFP_FLOWER_CMSG_TYPE_ACTIVE_TUNS = 12,
370 NFP_FLOWER_CMSG_TYPE_TUN_NEIGH = 13,
371 NFP_FLOWER_CMSG_TYPE_TUN_IPS = 14,
372 NFP_FLOWER_CMSG_TYPE_FLOW_STATS = 15,
373 NFP_FLOWER_CMSG_TYPE_PORT_ECHO = 16,
374 NFP_FLOWER_CMSG_TYPE_MAX = 32,
377 /* NFP_FLOWER_CMSG_TYPE_MAC_REPR */
378 struct nfp_flower_cmsg_mac_repr {
389 #define NFP_FLOWER_CMSG_MAC_REPR_NBI GENMASK(1, 0)
391 /* NFP_FLOWER_CMSG_TYPE_PORT_MOD */
392 struct nfp_flower_cmsg_portmod {
399 #define NFP_FLOWER_CMSG_PORTMOD_INFO_LINK BIT(0)
400 #define NFP_FLOWER_CMSG_PORTMOD_MTU_CHANGE_ONLY BIT(1)
402 /* NFP_FLOWER_CMSG_TYPE_PORT_REIFY */
403 struct nfp_flower_cmsg_portreify {
409 #define NFP_FLOWER_CMSG_PORTREIFY_INFO_EXIST BIT(0)
411 enum nfp_flower_cmsg_port_type {
412 NFP_FLOWER_CMSG_PORT_TYPE_UNSPEC = 0x0,
413 NFP_FLOWER_CMSG_PORT_TYPE_PHYS_PORT = 0x1,
414 NFP_FLOWER_CMSG_PORT_TYPE_PCIE_PORT = 0x2,
415 NFP_FLOWER_CMSG_PORT_TYPE_OTHER_PORT = 0x3,
418 enum nfp_flower_cmsg_port_vnic_type {
419 NFP_FLOWER_CMSG_PORT_VNIC_TYPE_VF = 0x0,
420 NFP_FLOWER_CMSG_PORT_VNIC_TYPE_PF = 0x1,
421 NFP_FLOWER_CMSG_PORT_VNIC_TYPE_CTRL = 0x2,
424 #define NFP_FLOWER_CMSG_PORT_TYPE GENMASK(31, 28)
425 #define NFP_FLOWER_CMSG_PORT_SYS_ID GENMASK(27, 24)
426 #define NFP_FLOWER_CMSG_PORT_NFP_ID GENMASK(23, 22)
427 #define NFP_FLOWER_CMSG_PORT_PCI GENMASK(15, 14)
428 #define NFP_FLOWER_CMSG_PORT_VNIC_TYPE GENMASK(13, 12)
429 #define NFP_FLOWER_CMSG_PORT_VNIC GENMASK(11, 6)
430 #define NFP_FLOWER_CMSG_PORT_PCIE_Q GENMASK(5, 0)
431 #define NFP_FLOWER_CMSG_PORT_PHYS_PORT_NUM GENMASK(7, 0)
433 static inline u32 nfp_flower_cmsg_phys_port(u8 phys_port)
435 return FIELD_PREP(NFP_FLOWER_CMSG_PORT_PHYS_PORT_NUM, phys_port) |
436 FIELD_PREP(NFP_FLOWER_CMSG_PORT_TYPE,
437 NFP_FLOWER_CMSG_PORT_TYPE_PHYS_PORT);
441 nfp_flower_cmsg_pcie_port(u8 nfp_pcie, enum nfp_flower_cmsg_port_vnic_type type,
444 return FIELD_PREP(NFP_FLOWER_CMSG_PORT_PCI, nfp_pcie) |
445 FIELD_PREP(NFP_FLOWER_CMSG_PORT_VNIC_TYPE, type) |
446 FIELD_PREP(NFP_FLOWER_CMSG_PORT_VNIC, vnic) |
447 FIELD_PREP(NFP_FLOWER_CMSG_PORT_PCIE_Q, q) |
448 FIELD_PREP(NFP_FLOWER_CMSG_PORT_TYPE,
449 NFP_FLOWER_CMSG_PORT_TYPE_PCIE_PORT);
452 static inline void *nfp_flower_cmsg_get_data(struct sk_buff *skb)
454 return (unsigned char *)skb->data + NFP_FLOWER_CMSG_HLEN;
457 static inline int nfp_flower_cmsg_get_data_len(struct sk_buff *skb)
459 return skb->len - NFP_FLOWER_CMSG_HLEN;
463 nfp_flower_cmsg_mac_repr_start(struct nfp_app *app, unsigned int num_ports);
465 nfp_flower_cmsg_mac_repr_add(struct sk_buff *skb, unsigned int idx,
466 unsigned int nbi, unsigned int nbi_port,
467 unsigned int phys_port);
468 int nfp_flower_cmsg_portmod(struct nfp_repr *repr, bool carrier_ok,
469 unsigned int mtu, bool mtu_only);
470 int nfp_flower_cmsg_portreify(struct nfp_repr *repr, bool exists);
471 void nfp_flower_cmsg_process_rx(struct work_struct *work);
472 void nfp_flower_cmsg_rx(struct nfp_app *app, struct sk_buff *skb);
474 nfp_flower_cmsg_alloc(struct nfp_app *app, unsigned int size,
475 enum nfp_flower_cmsg_type_port type, gfp_t flag);