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| #include <net/if.h>
| #include <errno.h>
| #include <string.h>
|
| #include <netlink/genl/genl.h>
| #include <netlink/genl/family.h>
| #include <netlink/genl/ctrl.h>
| #include <netlink/msg.h>
| #include <netlink/attr.h>
|
| #include "nl80211.h"
| #include "iw.h"
|
| SECTION(mpp);
|
| static int print_mpp_handler(struct nl_msg *msg, void *arg)
| {
| struct nlattr *tb[NL80211_ATTR_MAX + 1];
| struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
| char dst[20], next_hop[20], dev[20];
|
| nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
| genlmsg_attrlen(gnlh, 0), NULL);
|
| /*
| * TODO: validate the interface and mac address!
| * Otherwise, there's a race condition as soon as
| * the kernel starts sending mpath notifications.
| */
|
| mac_addr_n2a(dst, nla_data(tb[NL80211_ATTR_MAC]));
| mac_addr_n2a(next_hop, nla_data(tb[NL80211_ATTR_MPATH_NEXT_HOP]));
| if_indextoname(nla_get_u32(tb[NL80211_ATTR_IFINDEX]), dev);
| printf("%s %s %s\n", dst, next_hop, dev);
|
| return NL_SKIP;
| }
|
| static int handle_mpp_get(struct nl80211_state *state,
| struct nl_cb *cb,
| struct nl_msg *msg,
| int argc, char **argv,
| enum id_input id)
| {
| unsigned char dst[ETH_ALEN];
|
| if (argc < 1)
| return 1;
|
| if (mac_addr_a2n(dst, argv[0])) {
| fprintf(stderr, "invalid mac address\n");
| return 2;
| }
| argc--;
| argv++;
|
| if (argc)
| return 1;
|
| NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst);
|
| nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_mpp_handler, NULL);
|
| return 0;
| nla_put_failure:
| return -ENOBUFS;
| }
| COMMAND(mpp, get, "<MAC address>",
| NL80211_CMD_GET_MPP, 0, CIB_NETDEV, handle_mpp_get,
| "Get information on mesh proxy path to the given node.");
|
| static int handle_mpp_dump(struct nl80211_state *state,
| struct nl_cb *cb,
| struct nl_msg *msg,
| int argc, char **argv,
| enum id_input id)
| {
| printf("DEST ADDR PROXY NODE IFACE\n");
| nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_mpp_handler, NULL);
| return 0;
| }
| COMMAND(mpp, dump, NULL,
| NL80211_CMD_GET_MPP, NLM_F_DUMP, CIB_NETDEV, handle_mpp_dump,
| "List known mesh proxy paths.");
|
|
