wireless: add retry_setup_failed to status notification
[project/netifd.git] / proto-static.c
1 /*
2  * netifd - network interface daemon
3  * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2
7  * as published by the Free Software Foundation
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  */
14 #include <string.h>
15 #include <stdlib.h>
16 #include <stdio.h>
17
18 #include <arpa/inet.h>
19 #include <netinet/in.h>
20
21 #include "netifd.h"
22 #include "interface.h"
23 #include "interface-ip.h"
24 #include "proto.h"
25 #include "system.h"
26
27 struct static_proto_state {
28         struct interface_proto_state proto;
29
30         struct blob_attr *config;
31 };
32
33 static bool
34 static_proto_setup(struct static_proto_state *state)
35 {
36         struct interface *iface = state->proto.iface;
37         struct device *dev = iface->main_dev.dev;
38
39         interface_set_l3_dev(iface, dev);
40         return proto_apply_static_ip_settings(state->proto.iface, state->config) == 0;
41 }
42
43 static int
44 static_handler(struct interface_proto_state *proto,
45                enum interface_proto_cmd cmd, bool force)
46 {
47         struct static_proto_state *state;
48         int ret = 0;
49
50         state = container_of(proto, struct static_proto_state, proto);
51
52         switch (cmd) {
53         case PROTO_CMD_SETUP:
54                 if (!static_proto_setup(state))
55                         return -1;
56
57                 break;
58         case PROTO_CMD_TEARDOWN:
59         case PROTO_CMD_RENEW:
60                 break;
61         }
62
63         return ret;
64 }
65
66 static void
67 static_free(struct interface_proto_state *proto)
68 {
69         struct static_proto_state *state;
70
71         state = container_of(proto, struct static_proto_state, proto);
72         free(state->config);
73         free(state);
74 }
75
76 static struct interface_proto_state *
77 static_attach(const struct proto_handler *h, struct interface *iface,
78               struct blob_attr *attr)
79 {
80         struct static_proto_state *state;
81
82         state = calloc(1, sizeof(*state));
83         if (!state)
84                 return NULL;
85
86         state->config = malloc(blob_pad_len(attr));
87         if (!state->config)
88                 goto error;
89
90         memcpy(state->config, attr, blob_pad_len(attr));
91         state->proto.free = static_free;
92         state->proto.cb = static_handler;
93
94         return &state->proto;
95
96 error:
97         free(state);
98         return NULL;
99 }
100
101 static struct proto_handler static_proto = {
102         .name = "static",
103         .flags = PROTO_FLAG_IMMEDIATE |
104                  PROTO_FLAG_FORCE_LINK_DEFAULT,
105         .config_params = &proto_ip_attr,
106         .attach = static_attach,
107 };
108
109 static void __init
110 static_proto_init(void)
111 {
112         add_proto_handler(&static_proto);
113 }