2 * Copyright (c) 2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #ifndef included_vnet_flow_flow_h
17 #define included_vnet_flow_flow_h
19 #include <vppinfra/clib.h>
20 #include <vppinfra/pcap.h>
21 #include <vnet/l3_types.h>
22 #include <vnet/ip/ip4_packet.h>
23 #include <vnet/ip/ip6_packet.h>
24 #include <vnet/ethernet/packet.h>
26 #define foreach_flow_type \
28 _(ETHERNET, ethernet, "ethernet") \
32 /* IP tunnel flow */ \
33 _(IP4_L2TPV3OIP, ip4_l2tpv3oip, "ipv4-l2tpv3oip") \
34 _(IP4_IPSEC_ESP, ip4_ipsec_esp, "ipv4-ipsec-esp") \
35 _(IP4_IPSEC_AH, ip4_ipsec_ah, "ipv4-ipsec-ah") \
37 _(IP4_N_TUPLE, ip4_n_tuple, "ipv4-n-tuple") \
38 _(IP6_N_TUPLE, ip6_n_tuple, "ipv6-n-tuple") \
39 _(IP4_N_TUPLE_TAGGED, ip4_n_tuple_tagged, "ipv4-n-tuple-tagged") \
40 _(IP6_N_TUPLE_TAGGED, ip6_n_tuple_tagged, "ipv6-n-tuple-tagged") \
42 _(IP4_VXLAN, ip4_vxlan, "ipv4-vxlan") \
43 _(IP6_VXLAN, ip6_vxlan, "ipv6-vxlan") \
44 _(IP4_GTPC, ip4_gtpc, "ipv4-gtpc") \
45 _(IP4_GTPU, ip4_gtpu, "ipv4-gtpu")
47 #define foreach_flow_entry_ethernet \
48 _fe(ethernet_header_t, eth_hdr)
50 #define foreach_flow_entry_ip4 \
51 _fe(ip4_address_and_mask_t, src_addr) \
52 _fe(ip4_address_and_mask_t, dst_addr) \
53 _fe(ip_prot_and_mask_t, protocol)
55 #define foreach_flow_entry_ip6 \
56 _fe(ip6_address_and_mask_t, src_addr) \
57 _fe(ip6_address_and_mask_t, dst_addr) \
58 _fe(ip_prot_and_mask_t, protocol)
60 #define foreach_flow_entry_ip4_l2tpv3oip \
61 foreach_flow_entry_ip4 \
64 #define foreach_flow_entry_ip4_ipsec_esp \
65 foreach_flow_entry_ip4 \
68 #define foreach_flow_entry_ip4_ipsec_ah \
69 foreach_flow_entry_ip4 \
72 #define foreach_flow_entry_ip4_n_tuple \
73 foreach_flow_entry_ip4 \
74 _fe(ip_port_and_mask_t, src_port) \
75 _fe(ip_port_and_mask_t, dst_port)
77 #define foreach_flow_entry_ip6_n_tuple \
78 foreach_flow_entry_ip6 \
79 _fe(ip_port_and_mask_t, src_port) \
80 _fe(ip_port_and_mask_t, dst_port)
82 #define foreach_flow_entry_ip4_n_tuple_tagged \
83 foreach_flow_entry_ip4 \
84 _fe(ip_port_and_mask_t, src_port) \
85 _fe(ip_port_and_mask_t, dst_port)
87 #define foreach_flow_entry_ip6_n_tuple_tagged \
88 foreach_flow_entry_ip6 \
89 _fe(ip_port_and_mask_t, src_port) \
90 _fe(ip_port_and_mask_t, dst_port)
92 #define foreach_flow_entry_ip4_vxlan \
93 foreach_flow_entry_ip4_n_tuple \
96 #define foreach_flow_entry_ip6_vxlan \
97 foreach_flow_entry_ip6_n_tuple \
100 #define foreach_flow_entry_ip4_gtpc \
101 foreach_flow_entry_ip4_n_tuple \
104 #define foreach_flow_entry_ip4_gtpu \
105 foreach_flow_entry_ip4_n_tuple \
108 #define foreach_flow_action \
109 _(0, COUNT, "count") \
111 _(2, BUFFER_ADVANCE, "buffer-advance") \
112 _(3, REDIRECT_TO_NODE, "redirect-to-node") \
113 _(4, REDIRECT_TO_QUEUE, "redirect-to-queue") \
119 #define _(v,n,s) VNET_FLOW_ACTION_##n = (1 << v),
122 } vnet_flow_action_t;
124 #define foreach_flow_error \
125 _( -1, NOT_SUPPORTED, "not supported") \
126 _( -2, ALREADY_DONE, "already done") \
127 _( -3, ALREADY_EXISTS, "already exists") \
128 _( -4, NO_SUCH_ENTRY, "no such entry") \
129 _( -5, NO_SUCH_INTERFACE, "no such interface") \
130 _( -6, INTERNAL, "internal error")
132 #define foreach_flow_rss_types \
133 _(0, FRAG_IPV4, "ipv4-frag") \
134 _(1, IPV4_TCP, "ipv4-tcp") \
135 _(2, IPV4_UDP, "ipv4-udp") \
136 _(3, IPV4_SCTP, "ipv4-sctp") \
137 _(4, IPV4_OTHER, "ipv4-other") \
139 _(6, IPV6_TCP_EX, "ipv6-tcp-ex") \
140 _(7, IPV6_UDP_EX, "ipv6-udp-ex") \
141 _(8, FRAG_IPV6, "ipv6-frag") \
142 _(9, IPV6_TCP, "ipv6-tcp") \
143 _(10, IPV6_UDP, "ipv6-udp") \
144 _(11, IPV6_SCTP, "ipv6-sctp") \
145 _(12, IPV6_OTHER, "ipv6-other") \
146 _(13, IPV6_EX, "ipv6-ex") \
147 _(14, IPV6, "ipv6") \
148 _(15, L2_PAYLOAD, "l2-payload") \
149 _(16, PORT, "port") \
150 _(17, VXLAN, "vxlan") \
151 _(18, GENEVE, "geneve") \
152 _(19, NVGRE, "nvgre") \
153 _(20, GTPU, "gtpu") \
154 _(60, L4_DST_ONLY, "l4-dst-only") \
155 _(61, L4_SRC_ONLY, "l4-src-only") \
156 _(62, L3_DST_ONLY, "l3-dst-only") \
157 _(63, L3_SRC_ONLY, "l3-src-only")
159 #define foreach_rss_function \
160 _(DEFAULT, "default") \
161 _(TOEPLITZ, "toeplitz") \
162 _(SIMPLE_XOR, "simple_xor") \
163 _(SYMMETRIC_TOEPLITZ, "symmetric_toeplitz")
167 VNET_FLOW_NO_ERROR = 0,
168 #define _(v,n,s) VNET_FLOW_ERROR_##n = v,
176 } ip_port_and_mask_t;
181 /* ip protocol mask should be either 0 or 0xFF */
182 /* other values are meanless */
184 } ip_prot_and_mask_t;
188 VNET_FLOW_TYPE_UNKNOWN,
189 #define _(a,b,c) VNET_FLOW_TYPE_##a,
197 #define _(a,b) VNET_RSS_FUNC_##a,
201 } vnet_rss_function_t;
204 * Create typedef struct vnet_flow_XXX_t
206 #define _fe(a, b) a b;
210 foreach_flow_entry_##b \
216 /* main flow struct */
220 vnet_flow_type_t type;
225 /* bitmap of flow actions (VNET_FLOW_ACTION_*) */
228 /* flow id for VNET_FLOW_ACTION_MARK */
231 /* node index and next index for VNET_FLOW_ACTION_REDIRECT_TO_NODE */
232 u32 redirect_node_index;
233 u32 redirect_device_input_next_index;
235 /* queue for VNET_FLOW_ACTION_REDIRECT_TO_QUEUE */
238 /* buffer offset for VNET_FLOW_ACTION_BUFFER_ADVANCE */
241 /* RSS types, including IPv4/IPv6/TCP/UDP... */
244 /* RSS functions, including IPv4/IPv6/TCP/UDP... */
245 vnet_rss_function_t rss_fun;
249 #define _(a,b,c) vnet_flow_##b##_t b;
254 /* per-interface private data */
258 int vnet_flow_get_range (vnet_main_t * vnm, char *owner, u32 count,
260 int vnet_flow_add (vnet_main_t * vnm, vnet_flow_t * flow, u32 * flow_index);
261 int vnet_flow_enable (vnet_main_t * vnm, u32 flow_index, u32 hw_if_index);
262 int vnet_flow_disable (vnet_main_t * vnm, u32 flow_index, u32 hw_if_index);
263 int vnet_flow_del (vnet_main_t * vnm, u32 flow_index);
264 vnet_flow_t *vnet_get_flow (u32 flow_index);
275 /* pool of device flow entries */
276 vnet_flow_t *global_flow_pool;
278 /* flow ids allocated */
281 /* vector of flow ranges */
282 vnet_flow_range_t *ranges;
286 extern vnet_flow_main_t flow_main;
288 format_function_t format_flow_actions;
289 format_function_t format_flow_enabled_hw;
291 #endif /* included_vnet_flow_flow_h */
294 * fd.io coding-style-patch-verification: ON
297 * eval: (c-set-style "gnu")