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Commit | Line | Data |
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2ef1be68 | 1 | #include <net/if.h> |
3d1e8704 | 2 | #include <errno.h> |
d5ac8ad3 | 3 | #include <string.h> |
2ef1be68 | 4 | |
3d1e8704 LCC |
5 | #include <netlink/genl/genl.h> |
6 | #include <netlink/genl/family.h> | |
7 | #include <netlink/genl/ctrl.h> | |
8 | #include <netlink/msg.h> | |
9 | #include <netlink/attr.h> | |
3d1e8704 | 10 | |
f408e01b | 11 | #include "nl80211.h" |
3d1e8704 LCC |
12 | #include "iw.h" |
13 | ||
14 | enum plink_state { | |
15 | LISTEN, | |
16 | OPN_SNT, | |
17 | OPN_RCVD, | |
18 | CNF_RCVD, | |
19 | ESTAB, | |
20 | HOLDING, | |
21 | BLOCKED | |
22 | }; | |
23 | ||
24 | enum plink_actions { | |
25 | PLINK_ACTION_UNDEFINED, | |
26 | PLINK_ACTION_OPEN, | |
27 | PLINK_ACTION_BLOCK, | |
28 | }; | |
29 | ||
30 | ||
3d1e8704 LCC |
31 | static int print_mpath_handler(struct nl_msg *msg, void *arg) |
32 | { | |
33 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
34 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
35 | struct nlattr *pinfo[NL80211_MPATH_INFO_MAX + 1]; | |
36 | char dst[20], next_hop[20], dev[20]; | |
37 | static struct nla_policy mpath_policy[NL80211_MPATH_INFO_MAX + 1] = { | |
38 | [NL80211_MPATH_INFO_FRAME_QLEN] = { .type = NLA_U32 }, | |
39 | [NL80211_MPATH_INFO_DSN] = { .type = NLA_U32 }, | |
40 | [NL80211_MPATH_INFO_METRIC] = { .type = NLA_U32 }, | |
41 | [NL80211_MPATH_INFO_EXPTIME] = { .type = NLA_U32 }, | |
42 | [NL80211_MPATH_INFO_DISCOVERY_TIMEOUT] = { .type = NLA_U32 }, | |
43 | [NL80211_MPATH_INFO_DISCOVERY_RETRIES] = { .type = NLA_U8 }, | |
44 | [NL80211_MPATH_INFO_FLAGS] = { .type = NLA_U8 }, | |
45 | }; | |
46 | ||
47 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
48 | genlmsg_attrlen(gnlh, 0), NULL); | |
49 | ||
50 | /* | |
51 | * TODO: validate the interface and mac address! | |
52 | * Otherwise, there's a race condition as soon as | |
53 | * the kernel starts sending mpath notifications. | |
54 | */ | |
55 | ||
56 | if (!tb[NL80211_ATTR_MPATH_INFO]) { | |
57 | fprintf(stderr, "mpath info missing!"); | |
58 | return NL_SKIP; | |
59 | } | |
60 | if (nla_parse_nested(pinfo, NL80211_MPATH_INFO_MAX, | |
61 | tb[NL80211_ATTR_MPATH_INFO], | |
62 | mpath_policy)) { | |
63 | fprintf(stderr, "failed to parse nested attributes!"); | |
64 | return NL_SKIP; | |
65 | } | |
66 | ||
67 | mac_addr_n2a(dst, nla_data(tb[NL80211_ATTR_MAC])); | |
68 | mac_addr_n2a(next_hop, nla_data(tb[NL80211_ATTR_MPATH_NEXT_HOP])); | |
69 | if_indextoname(nla_get_u32(tb[NL80211_ATTR_IFINDEX]), dev); | |
70 | printf("%s %s %s", dst, next_hop, dev); | |
71 | if (pinfo[NL80211_MPATH_INFO_DSN]) | |
72 | printf("\t%u", | |
73 | nla_get_u32(pinfo[NL80211_MPATH_INFO_DSN])); | |
74 | if (pinfo[NL80211_MPATH_INFO_METRIC]) | |
75 | printf("\t%u", | |
76 | nla_get_u32(pinfo[NL80211_MPATH_INFO_METRIC])); | |
77 | if (pinfo[NL80211_MPATH_INFO_FRAME_QLEN]) | |
78 | printf("\t%u", | |
79 | nla_get_u32(pinfo[NL80211_MPATH_INFO_FRAME_QLEN])); | |
80 | if (pinfo[NL80211_MPATH_INFO_EXPTIME]) | |
81 | printf("\t%u", | |
82 | nla_get_u32(pinfo[NL80211_MPATH_INFO_EXPTIME])); | |
83 | if (pinfo[NL80211_MPATH_INFO_DISCOVERY_TIMEOUT]) | |
84 | printf("\t%u", | |
85 | nla_get_u32(pinfo[NL80211_MPATH_INFO_DISCOVERY_TIMEOUT])); | |
86 | if (pinfo[NL80211_MPATH_INFO_DISCOVERY_RETRIES]) | |
87 | printf("\t%u", | |
88 | nla_get_u8(pinfo[NL80211_MPATH_INFO_DISCOVERY_RETRIES])); | |
89 | if (pinfo[NL80211_MPATH_INFO_FLAGS]) | |
90 | printf("\t0x%x", | |
91 | nla_get_u8(pinfo[NL80211_MPATH_INFO_FLAGS])); | |
92 | ||
93 | printf("\n"); | |
94 | return NL_SKIP; | |
95 | } | |
96 | ||
7c37a24d JB |
97 | static int handle_mpath_get(struct nl80211_state *state, |
98 | struct nl_cb *cb, | |
f5f937fb JB |
99 | struct nl_msg *msg, |
100 | int argc, char **argv) | |
3d1e8704 | 101 | { |
3d1e8704 LCC |
102 | unsigned char dst[ETH_ALEN]; |
103 | ||
f5f937fb | 104 | if (argc < 1) |
5e75fd04 | 105 | return 1; |
3d1e8704 LCC |
106 | |
107 | if (mac_addr_a2n(dst, argv[0])) { | |
108 | fprintf(stderr, "invalid mac address\n"); | |
5e75fd04 | 109 | return 2; |
3d1e8704 LCC |
110 | } |
111 | argc--; | |
112 | argv++; | |
113 | ||
f5f937fb | 114 | if (argc) |
5e75fd04 | 115 | return 1; |
3d1e8704 LCC |
116 | |
117 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst); | |
3d1e8704 | 118 | |
3d1e8704 | 119 | nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_mpath_handler, NULL); |
3d1e8704 | 120 | |
70391ccf | 121 | return 0; |
3d1e8704 | 122 | nla_put_failure: |
70391ccf | 123 | return -ENOBUFS; |
3d1e8704 | 124 | } |
f5f937fb JB |
125 | COMMAND(mpath, get, "<MAC address>", |
126 | NL80211_CMD_GET_MPATH, 0, CIB_NETDEV, handle_mpath_get); | |
127 | COMMAND(mpath, del, "<MAC address>", | |
128 | NL80211_CMD_DEL_MPATH, 0, CIB_NETDEV, handle_mpath_get); | |
129 | ||
7c37a24d JB |
130 | static int handle_mpath_set(struct nl80211_state *state, |
131 | struct nl_cb *cb, | |
f5f937fb JB |
132 | struct nl_msg *msg, |
133 | int argc, char **argv) | |
3d1e8704 | 134 | { |
3d1e8704 LCC |
135 | unsigned char dst[ETH_ALEN]; |
136 | unsigned char next_hop[ETH_ALEN]; | |
137 | ||
f5f937fb | 138 | if (argc < 3) |
5e75fd04 | 139 | return 1; |
3d1e8704 LCC |
140 | |
141 | if (mac_addr_a2n(dst, argv[0])) { | |
142 | fprintf(stderr, "invalid destination mac address\n"); | |
5e75fd04 | 143 | return 2; |
3d1e8704 LCC |
144 | } |
145 | argc--; | |
146 | argv++; | |
147 | ||
f5f937fb | 148 | if (strcmp("next_hop", argv[0]) != 0) |
5e75fd04 | 149 | return 1; |
3d1e8704 LCC |
150 | argc--; |
151 | argv++; | |
152 | ||
153 | if (mac_addr_a2n(next_hop, argv[0])) { | |
154 | fprintf(stderr, "invalid next hop mac address\n"); | |
5e75fd04 | 155 | return 2; |
3d1e8704 LCC |
156 | } |
157 | argc--; | |
158 | argv++; | |
159 | ||
f5f937fb | 160 | if (argc) |
5e75fd04 | 161 | return 1; |
3d1e8704 | 162 | |
3d1e8704 | 163 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst); |
3d1e8704 LCC |
164 | NLA_PUT(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop); |
165 | ||
3d1e8704 | 166 | nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_mpath_handler, NULL); |
70391ccf | 167 | return 0; |
3d1e8704 | 168 | nla_put_failure: |
70391ccf | 169 | return -ENOBUFS; |
3d1e8704 | 170 | } |
f5f937fb JB |
171 | COMMAND(mpath, new, "<destination MAC address> next_hop <next hop MAC address>", |
172 | NL80211_CMD_NEW_MPATH, 0, CIB_NETDEV, handle_mpath_set); | |
173 | COMMAND(mpath, set, "<destination MAC address> next_hop <next hop MAC address>", | |
174 | NL80211_CMD_SET_MPATH, 0, CIB_NETDEV, handle_mpath_set); | |
3d1e8704 | 175 | |
7c37a24d JB |
176 | static int handle_mpath_dump(struct nl80211_state *state, |
177 | struct nl_cb *cb, | |
f5f937fb JB |
178 | struct nl_msg *msg, |
179 | int argc, char **argv) | |
3d1e8704 | 180 | { |
3d1e8704 | 181 | nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_mpath_handler, NULL); |
70391ccf | 182 | return 0; |
3d1e8704 | 183 | } |
f5f937fb JB |
184 | COMMAND(mpath, dump, NULL, |
185 | NL80211_CMD_GET_MPATH, NLM_F_DUMP, CIB_NETDEV, handle_mpath_dump); |