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| author |   Jason A. Donenfeld <Jason@zx2c4.com> | 2016-12-11 02:44:40 +0100 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2016-12-11 12:45:34 +0100 |
| commit | 76bf43dfd63c3e75f0cc5d597ca5cdda73c68829 (patch) | |
| tree | 6eb76874dc584246c6f3e50ef0e4c26fda0d5845 | |
| parent | device: rc -> ret (diff) | |
| download | wireguard-monolithic-historical-76bf43dfd63c3e75f0cc5d597ca5cdda73c68829.tar.xz wireguard-monolithic-historical-76bf43dfd63c3e75f0cc5d597ca5cdda73c68829.zip | |
device: disable ipv6 auto address generation
| -rw-r--r-- | src/device.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/device.c b/src/device.c index 55adc60..af53393 100644 --- a/src/device.c +++ b/src/device.c @@ -19,6 +19,7 @@ #include <net/icmp.h> #include <net/rtnetlink.h> #include <net/ip_tunnels.h> +#include <net/addrconf.h> #if IS_ENABLED(CONFIG_NF_CONNTRACK) #include <net/netfilter/nf_conntrack.h> #include <net/netfilter/nf_nat_core.h> @@ -48,7 +49,12 @@ static int open_peer(struct wireguard_peer *peer, void *data) static int open(struct net_device *dev) { struct wireguard_device *wg = netdev_priv(dev); - int ret = socket_init(wg); + int ret; + struct inet6_dev *dev_v6 = __in6_dev_get(dev); + if (dev_v6) + dev_v6->addr_gen_mode = IN6_ADDR_GEN_MODE_NONE; + + ret = socket_init(wg); if (ret < 0) return ret; peer_for_each(wg, open_peer, NULL); @@ -261,7 +267,7 @@ static void setup(struct net_device *dev) dev->addr_len = 0; dev->needed_headroom = DATA_PACKET_HEAD_ROOM; dev->needed_tailroom = noise_encrypted_len(MESSAGE_PADDING_MULTIPLE); - dev->type = ARPHRD_NONE; /* Virtually the same as ARPHRD_NONE, except doesn't get IP6 auto config. */ + dev->type = ARPHRD_NONE; dev->flags = IFF_POINTOPOINT | IFF_NOARP; #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 3, 0) dev->flags |= IFF_NO_QUEUE; |