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| author |   David S. Miller <davem@davemloft.net> | 2016-07-06 10:35:22 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-07-06 10:35:22 -0700 |
| commit | 30d0844bdcea9fb8b0b3c8abfa5547bc3bcf8baa (patch) | |
| tree | 87302af9e03ee50cf135cc9ce6589f41fe3b3db1 /drivers/net/geneve.c | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff) | |
| download | linux-dev-30d0844bdcea9fb8b0b3c8abfa5547bc3bcf8baa.tar.xz linux-dev-30d0844bdcea9fb8b0b3c8abfa5547bc3bcf8baa.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/ethernet/mellanox/mlx5/core/en.h
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
drivers/net/usb/r8152.c
All three conflicts were overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
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 310e0b9c2657..5de892f3c0e0 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -1036,12 +1036,17 @@ 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; |