diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-08-05 02:19:08 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-08-05 02:19:08 -0300 |
| commit | 8dec7c70575785729a6a9e6719a955e9c545bcab (patch) | |
| tree | 897b1b743b2ceb44ace956e8176b6a7e36751019 /drivers/net/geneve.c | |
| parent | 4411a04f871d94ae997fb7262a428fe2ee988eb3 (diff) | |
Linux-libre 4.6.5-gnupck-4.6.5-gnu
Diffstat (limited to 'drivers/net/geneve.c')
| -rw-r--r-- | drivers/net/geneve.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index 9fcb4898f..c70e51567 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -1092,12 +1092,17 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev) static int __geneve_change_mtu(struct net_device *dev, int new_mtu, bool strict) { + struct geneve_dev *geneve = netdev_priv(dev); /* The max_mtu calculation does not take account of GENEVE * options, to avoid excluding potentially valid * configurations. */ - int max_mtu = IP_MAX_MTU - GENEVE_BASE_HLEN - sizeof(struct iphdr) - - dev->hard_header_len; + int max_mtu = IP_MAX_MTU - GENEVE_BASE_HLEN - dev->hard_header_len; + + if (geneve->remote.sa.sa_family == AF_INET6) + max_mtu -= sizeof(struct ipv6hdr); + else + max_mtu -= sizeof(struct iphdr); if (new_mtu < 68) return -EINVAL; |