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 print_iface_handler(struct nl_msg *msg, void *arg)
{
struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
unsigned int *wiphy = arg;
const char *indent = "";
nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
genlmsg_attrlen(gnlh, 0), NULL);
if (wiphy && tb_msg[NL80211_ATTR_WIPHY]) {
unsigned int thiswiphy = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY]);
indent = "\t";
if (*wiphy != thiswiphy)
printf("phy#%d\n", thiswiphy);
*wiphy = thiswiphy;
}
if (tb_msg[NL80211_ATTR_IFNAME])
printf("%sInterface %s\n", indent, nla_get_string(tb_msg[NL80211_ATTR_IFNAME]));
else
printf("%sUnnamed/non-netdev interface\n", indent);
if (tb_msg[NL80211_ATTR_IFINDEX])
printf("%s\tifindex %d\n", indent, nla_get_u32(tb_msg[NL80211_ATTR_IFINDEX]));
if (tb_msg[NL80211_ATTR_WDEV])
printf("%s\twdev 0x%llx\n", indent,
(unsigned long long)nla_get_u64(tb_msg[NL80211_ATTR_WDEV]));
if (tb_msg[NL80211_ATTR_MAC]) {
char mac_addr[20];
mac_addr_n2a(mac_addr, nla_data(tb_msg[NL80211_ATTR_MAC]));
printf("%s\taddr %s\n", indent, mac_addr);
}
if (tb_msg[NL80211_ATTR_SSID]) {
printf("%s\tssid ", indent);
print_ssid_escaped(nla_len(tb_msg[NL80211_ATTR_SSID]),
nla_data(tb_msg[NL80211_ATTR_SSID]));
printf("\n");
}
if (tb_msg[NL80211_ATTR_IFTYPE])
printf("%s\ttype %s\n", indent, iftype_name(nla_get_u32(tb_msg[NL80211_ATTR_IFTYPE])));
if (!wiphy && tb_msg[NL80211_ATTR_WIPHY])
printf("%s\twiphy %d\n", indent, nla_get_u32(tb_msg[NL80211_ATTR_WIPHY]));
if (tb_msg[NL80211_ATTR_WIPHY_FREQ]) {
uint32_t freq = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_FREQ]);
printf("%s\tchannel %d (%d MHz)", indent,
ieee80211_frequency_to_channel(freq), freq);
if (tb_msg[NL80211_ATTR_CHANNEL_WIDTH]) {
printf(", width: %s",
channel_width_name(nla_get_u32(tb_msg[NL80211_ATTR_CHANNEL_WIDTH])));
if (tb_msg[NL80211_ATTR_CENTER_FREQ1])
printf(", center1: %d MHz",
nla_get_u32(tb_msg[NL80211_ATTR_CENTER_FREQ1]));
if (tb_msg[NL80211_ATTR_CENTER_FREQ2])
printf(", center2: %d MHz",
nla_get_u32(tb_msg[NL80211_ATTR_CENTER_FREQ2]));
} else if (tb_msg[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
enum nl80211_channel_type channel_type;
channel_type = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
printf(" %s", channel_type_name(channel_type));
}
printf("\n");
}
return NL_SKIP;
}
