struct wpa_driver_nl80211_data *drv;
struct i802_bss *bss;
size_t i;
- char brname[IFNAMSIZ];
- int ifindex, br_ifindex;
+ char master_ifname[IFNAMSIZ];
+ int ifindex, br_ifindex = 0;
int br_added = 0;
bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
drv = bss->drv;
- if (linux_br_get(brname, params->ifname) == 0) {
+ if (linux_br_get(master_ifname, params->ifname) == 0) {
wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
- params->ifname, brname);
- br_ifindex = if_nametoindex(brname);
- os_strlcpy(bss->brname, brname, IFNAMSIZ);
+ params->ifname, master_ifname);
+ br_ifindex = if_nametoindex(master_ifname);
+ os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
+ } else if ((params->num_bridge == 0 || !params->bridge[0]) &&
+ linux_master_get(master_ifname, params->ifname) == 0) {
+ wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in master %s",
+ params->ifname, master_ifname);
+ /* start listening for EAPOL on the master interface */
+ add_ifidx(drv, if_nametoindex(master_ifname));
} else {
- brname[0] = '\0';
- br_ifindex = 0;
+ master_ifname[0] = '\0';
}
+
bss->br_ifindex = br_ifindex;
for (i = 0; i < params->num_bridge; i++) {
if (i802_check_bridge(drv, bss, params->bridge[0],
params->ifname) < 0)
goto failed;
- if (os_strcmp(params->bridge[0], brname) != 0)
+ if (os_strcmp(params->bridge[0], master_ifname) != 0)
br_added = 1;
}
os_strlcpy(brname, pos, IFNAMSIZ);
return 0;
}
+
+
+int linux_master_get(char *master_ifname, const char *ifname)
+{
+ char buf[128], masterlink[128], *pos;
+ ssize_t res;
+
+ /* check whether there is a master */
+ os_snprintf(buf, sizeof(buf), "/sys/class/net/%s/master", ifname);
+
+ res = readlink(buf, masterlink, sizeof(masterlink));
+ if (res < 0 || (size_t) res >= sizeof(masterlink))
+ return -1;
+
+ masterlink[res] = '\0';
+
+ pos = os_strrchr(masterlink, '/');
+ if (pos == NULL)
+ return -1;
+ pos++;
+ os_strlcpy(master_ifname, pos, IFNAMSIZ);
+ return 0;
+}
int linux_br_add_if(int sock, const char *brname, const char *ifname);
int linux_br_del_if(int sock, const char *brname, const char *ifname);
int linux_br_get(char *brname, const char *ifname);
+int linux_master_get(char *master_ifname, const char *ifname);
#endif /* LINUX_IOCTL_H */