diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-05-17 14:02:08 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-05-17 14:02:08 +0200 |
| commit | e6a62f955681c58f49b1ce74222d6670fb55bb33 (patch) | |
| tree | b7122202e22b1bbd8bd0e9b762e1675de8d2ea42 /net/ipv6/sit.c | |
| parent | 7e55399235e88fa56bc2763d1d900e75e582d114 (diff) | |
| parent | 170014a900a54d2c44ba6aacd3acda1733018c69 (diff) | |
| download | linux-stable-linux-rolling-stable.tar.gz | |
Merge v6.3.3linux-rolling-stable
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/ipv6/sit.c')
| -rw-r--r-- | net/ipv6/sit.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 70d81bba5093..3ffb6a5b1f82 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -1095,12 +1095,13 @@ tx_err: static void ipip6_tunnel_bind_dev(struct net_device *dev) { + struct ip_tunnel *tunnel = netdev_priv(dev); + int t_hlen = tunnel->hlen + sizeof(struct iphdr); struct net_device *tdev = NULL; - struct ip_tunnel *tunnel; + int hlen = LL_MAX_HEADER; const struct iphdr *iph; struct flowi4 fl4; - tunnel = netdev_priv(dev); iph = &tunnel->parms.iph; if (iph->daddr) { @@ -1123,14 +1124,15 @@ static void ipip6_tunnel_bind_dev(struct net_device *dev) tdev = __dev_get_by_index(tunnel->net, tunnel->parms.link); if (tdev && !netif_is_l3_master(tdev)) { - int t_hlen = tunnel->hlen + sizeof(struct iphdr); int mtu; mtu = tdev->mtu - t_hlen; if (mtu < IPV6_MIN_MTU) mtu = IPV6_MIN_MTU; WRITE_ONCE(dev->mtu, mtu); + hlen = tdev->hard_header_len + tdev->needed_headroom; } + dev->needed_headroom = t_hlen + hlen; } static void ipip6_tunnel_update(struct ip_tunnel *t, struct ip_tunnel_parm *p, |