diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-04-06 09:45:56 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-04-08 14:26:34 +0200 |
commit | 6bc3a54e06c66509a4e1fa4d2c8e0d5372b8a74e (patch) | |
tree | 7ff86850dfec8a312c801c980e9df37d50eca43d | |
parent | cfbed9b55636334f19059660b197fdffd40b8865 (diff) |
Revert "ip6_vti: adjust vti mtu according to mtu of lower device"
This reverts commit e6cfc525163ea3375113a9dcc234c2cdd8dbf643 which is
commit 53c81e95df1793933f87748d36070a721f6cb287 upstream.
Ben writes that there are a number of follow-on patches needed to fix
this up, but they get complex to backport, and some custom fixes are
needed, so let's just revert this and wait for a "real" set of patches
to resolve this to be submitted if it is really needed.
Reported-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Cc: Petr Vorel <pvorel@suse.cz>
Cc: Alexey Kodanev <alexey.kodanev@oracle.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | net/ipv6/ip6_vti.c | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c index 413f01be0c9b..bcdc2d557de1 100644 --- a/net/ipv6/ip6_vti.c +++ b/net/ipv6/ip6_vti.c @@ -626,7 +626,6 @@ static void vti6_link_config(struct ip6_tnl *t) { struct net_device *dev = t->dev; struct __ip6_tnl_parm *p = &t->parms; - struct net_device *tdev = NULL; memcpy(dev->dev_addr, &p->laddr, sizeof(struct in6_addr)); memcpy(dev->broadcast, &p->raddr, sizeof(struct in6_addr)); @@ -639,25 +638,6 @@ static void vti6_link_config(struct ip6_tnl *t) dev->flags |= IFF_POINTOPOINT; else dev->flags &= ~IFF_POINTOPOINT; - - if (p->flags & IP6_TNL_F_CAP_XMIT) { - int strict = (ipv6_addr_type(&p->raddr) & - (IPV6_ADDR_MULTICAST | IPV6_ADDR_LINKLOCAL)); - struct rt6_info *rt = rt6_lookup(t->net, - &p->raddr, &p->laddr, - p->link, strict); - - if (rt) - tdev = rt->dst.dev; - ip6_rt_put(rt); - } - - if (!tdev && p->link) - tdev = __dev_get_by_index(t->net, p->link); - - if (tdev) - dev->mtu = max_t(int, tdev->mtu - dev->hard_header_len, - IPV6_MIN_MTU); } /** |