2 * Copyright (c) 2019 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 #include <vlib/vlib.h>
18 #include <netlink/route/link.h>
19 #include <netlink/route/route.h>
20 #include <netlink/route/neighbour.h>
21 #include <netlink/route/addr.h>
23 typedef void (*nl_rt_link_cb_t) (struct rtnl_link *rl, void *ctx);
24 typedef void (*nl_rt_link_sync_cb_t) (void);
25 typedef void (*nl_rt_addr_cb_t) (struct rtnl_addr *ra);
26 typedef void (*nl_rt_addr_sync_cb_t) (void);
27 typedef void (*nl_rt_neigh_cb_t) (struct rtnl_neigh *rr);
28 typedef void (*nl_rt_neigh_sync_cb_t) (void);
29 typedef void (*nl_rt_route_add_cb_t) (struct rtnl_route *rn, int is_replace);
30 typedef void (*nl_rt_route_del_cb_t) (struct rtnl_route *rn);
31 typedef void (*nl_rt_route_sync_cb_t) (void);
33 #define NL_RT_COMMON uword is_mp_safe
35 typedef struct nl_rt_link_t_
42 typedef struct nl_rt_link_sync_t_
46 nl_rt_link_sync_cb_t cb;
49 typedef struct nl_rt_addr_t_
56 typedef struct nl_rt_addr_sync_t_
60 nl_rt_addr_sync_cb_t cb;
63 typedef struct nl_rt_neigh_t_
70 typedef struct nl_rt_neigh_sync_t_
74 nl_rt_neigh_sync_cb_t cb;
77 typedef struct nl_rt_route_add_t_
81 nl_rt_route_add_cb_t cb;
84 typedef struct nl_rt_route_del_t_
88 nl_rt_route_del_cb_t cb;
91 typedef struct nl_rt_route_sync_t_
95 nl_rt_route_sync_cb_t cb;
100 typedef struct nl_vft_t_
102 nl_rt_link_t nvl_rt_link_add;
103 nl_rt_link_t nvl_rt_link_del;
104 nl_rt_link_sync_t nvl_rt_link_sync_begin;
105 nl_rt_link_sync_t nvl_rt_link_sync_end;
106 nl_rt_addr_t nvl_rt_addr_add;
107 nl_rt_addr_t nvl_rt_addr_del;
108 nl_rt_addr_sync_t nvl_rt_addr_sync_begin;
109 nl_rt_addr_sync_t nvl_rt_addr_sync_end;
110 nl_rt_neigh_t nvl_rt_neigh_add;
111 nl_rt_neigh_t nvl_rt_neigh_del;
112 nl_rt_neigh_sync_t nvl_rt_neigh_sync_begin;
113 nl_rt_neigh_sync_t nvl_rt_neigh_sync_end;
114 nl_rt_route_add_t nvl_rt_route_add;
115 nl_rt_route_del_t nvl_rt_route_del;
116 nl_rt_route_sync_t nvl_rt_route_sync_begin;
117 nl_rt_route_sync_t nvl_rt_route_sync_end;
120 extern void nl_register_vft (const nl_vft_t *nv);
122 typedef enum lcp_nl_obj_t_
130 /* struct type to hold context on the netlink message being processed.
132 * At creation of a pair, a tap/tun is created and configured to match its
133 * corresponding hardware interface (MAC address, link state, MTU). Netlink
134 * messages are sent announcing the creation and subsequent configuration.
135 * We do not need to (and should not) act on those messages since applying
136 * those same configurations again is unnecessary and can be disruptive. So
137 * a timestamp for a message is stored and can be compared against the time
138 * the interface came under linux-cp management in order to figure out
139 * whether we should apply any configuration.
141 typedef struct nl_msg_info
147 #define LCP_NL_N_OBJS (LCP_NL_ROUTE + 1)
149 extern struct nl_cache *lcp_nl_get_cache (lcp_nl_obj_t t);
150 extern int lcp_nl_drain_messages (void);
151 extern void lcp_nl_set_buffer_size (u32 buf_size);
152 extern void lcp_nl_set_batch_size (u32 batch_size);
153 extern void lcp_nl_set_batch_delay (u32 batch_delay_ms);
156 * fd.io coding-style-patch-verification: ON
159 * eval: (c-set-style "gnu")