1*92022041SSam Saccone #include <net/if.h>
2*92022041SSam Saccone #include <errno.h>
3*92022041SSam Saccone
4*92022041SSam Saccone #include <netlink/genl/genl.h>
5*92022041SSam Saccone #include <netlink/genl/family.h>
6*92022041SSam Saccone #include <netlink/genl/ctrl.h>
7*92022041SSam Saccone #include <netlink/msg.h>
8*92022041SSam Saccone #include <netlink/attr.h>
9*92022041SSam Saccone
10*92022041SSam Saccone #include "nl80211.h"
11*92022041SSam Saccone #include "iw.h"
12*92022041SSam Saccone
13*92022041SSam Saccone SECTION(mpp);
14*92022041SSam Saccone
print_mpp_handler(struct nl_msg * msg,void * arg)15*92022041SSam Saccone static int print_mpp_handler(struct nl_msg *msg, void *arg)
16*92022041SSam Saccone {
17*92022041SSam Saccone struct nlattr *tb[NL80211_ATTR_MAX + 1];
18*92022041SSam Saccone struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
19*92022041SSam Saccone char dst[20], next_hop[20], dev[20];
20*92022041SSam Saccone
21*92022041SSam Saccone nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
22*92022041SSam Saccone genlmsg_attrlen(gnlh, 0), NULL);
23*92022041SSam Saccone
24*92022041SSam Saccone /*
25*92022041SSam Saccone * TODO: validate the interface and mac address!
26*92022041SSam Saccone * Otherwise, there's a race condition as soon as
27*92022041SSam Saccone * the kernel starts sending mpath notifications.
28*92022041SSam Saccone */
29*92022041SSam Saccone
30*92022041SSam Saccone mac_addr_n2a(dst, nla_data(tb[NL80211_ATTR_MAC]));
31*92022041SSam Saccone mac_addr_n2a(next_hop, nla_data(tb[NL80211_ATTR_MPATH_NEXT_HOP]));
32*92022041SSam Saccone if_indextoname(nla_get_u32(tb[NL80211_ATTR_IFINDEX]), dev);
33*92022041SSam Saccone printf("%s %s %s\n", dst, next_hop, dev);
34*92022041SSam Saccone
35*92022041SSam Saccone return NL_SKIP;
36*92022041SSam Saccone }
37*92022041SSam Saccone
handle_mpp_get(struct nl80211_state * state,struct nl_msg * msg,int argc,char ** argv,enum id_input id)38*92022041SSam Saccone static int handle_mpp_get(struct nl80211_state *state,
39*92022041SSam Saccone struct nl_msg *msg,
40*92022041SSam Saccone int argc, char **argv,
41*92022041SSam Saccone enum id_input id)
42*92022041SSam Saccone {
43*92022041SSam Saccone unsigned char dst[ETH_ALEN];
44*92022041SSam Saccone
45*92022041SSam Saccone if (argc < 1)
46*92022041SSam Saccone return 1;
47*92022041SSam Saccone
48*92022041SSam Saccone if (mac_addr_a2n(dst, argv[0])) {
49*92022041SSam Saccone fprintf(stderr, "invalid mac address\n");
50*92022041SSam Saccone return 2;
51*92022041SSam Saccone }
52*92022041SSam Saccone argc--;
53*92022041SSam Saccone argv++;
54*92022041SSam Saccone
55*92022041SSam Saccone if (argc)
56*92022041SSam Saccone return 1;
57*92022041SSam Saccone
58*92022041SSam Saccone NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst);
59*92022041SSam Saccone
60*92022041SSam Saccone register_handler(print_mpp_handler, NULL);
61*92022041SSam Saccone
62*92022041SSam Saccone return 0;
63*92022041SSam Saccone nla_put_failure:
64*92022041SSam Saccone return -ENOBUFS;
65*92022041SSam Saccone }
66*92022041SSam Saccone COMMAND(mpp, get, "<MAC address>",
67*92022041SSam Saccone NL80211_CMD_GET_MPP, 0, CIB_NETDEV, handle_mpp_get,
68*92022041SSam Saccone "Get information on mesh proxy path to the given node.");
69*92022041SSam Saccone
handle_mpp_dump(struct nl80211_state * state,struct nl_msg * msg,int argc,char ** argv,enum id_input id)70*92022041SSam Saccone static int handle_mpp_dump(struct nl80211_state *state,
71*92022041SSam Saccone struct nl_msg *msg,
72*92022041SSam Saccone int argc, char **argv,
73*92022041SSam Saccone enum id_input id)
74*92022041SSam Saccone {
75*92022041SSam Saccone printf("DEST ADDR PROXY NODE IFACE\n");
76*92022041SSam Saccone register_handler(print_mpp_handler, NULL);
77*92022041SSam Saccone return 0;
78*92022041SSam Saccone }
79*92022041SSam Saccone COMMAND(mpp, dump, NULL,
80*92022041SSam Saccone NL80211_CMD_GET_MPP, NLM_F_DUMP, CIB_NETDEV, handle_mpp_dump,
81*92022041SSam Saccone "List known mesh proxy paths.");
82