diff options
Diffstat (limited to 'src/tethering.c')
| -rw-r--r-- | src/tethering.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/src/tethering.c b/src/tethering.c index decb1122..b7343032 100644 --- a/src/tethering.c +++ b/src/tethering.c @@ -35,6 +35,7 @@ #include <string.h> #include <fcntl.h> #include <linux/if_tun.h> +#include <linux/if_bridge.h> #include "connman.h" @@ -46,8 +47,6 @@ #define DBUS_TYPE_UNIX_FD -1 #endif -#define BRIDGE_PROC_DIR "/proc/sys/net/bridge" - #define BRIDGE_NAME "tether" #define BRIDGE_DNS "8.8.8.8" @@ -79,12 +78,19 @@ struct connman_private_network { const char *__connman_tethering_get_bridge(void) { - struct stat st; + int sk, err; + unsigned long args[3]; - if (stat(BRIDGE_PROC_DIR, &st) < 0) { - connman_error("Missing support for 802.1d ethernet bridging"); + sk = socket(AF_INET, SOCK_STREAM, 0); + if (sk < 0) + return NULL; + + args[0] = BRCTL_GET_VERSION; + args[1] = args[2] = 0; + err = ioctl(sk, SIOCGIFBR, &args); + close(sk); + if (err == -1) return NULL; - } return BRIDGE_NAME; } |