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linux/net/ipv4
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Alexander Duyck 8c91e162e0 gre: Fix MTU sizing check for gretap tunnels 
This change fixes an MTU sizing issue seen with gretap tunnels when non-gso
packets are sent from the interface.

In my case I was able to reproduce the issue by simply sending a ping of
1421 bytes with the gretap interface created on a device with a standard
1500 mtu.

This fix is based on the fact that the tunnel mtu is already adjusted by
dev->hard_header_len so it would make sense that any packets being compared
against that mtu should also be adjusted by hard_header_len and the tunnel
header instead of just the tunnel header.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Reported-by: Cong Wang <amwang@redhat.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-07-11 16:12:03 -07:00
..
netfilter
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2013-07-03 14:55:13 -07:00
af_inet.c
gro: remove a sparse error
2013-06-12 15:03:24 -07:00
ah4.c
ipv4: properly refresh rtable entries on pmtu/redirect events
2013-06-03 00:07:42 -07:00
arp.c
arp: flush arp cache on IFF_NOARP change
2013-05-28 13:11:02 -07:00
cipso_ipv4.c
cipso: don't follow a NULL pointer when setsockopt() is called
2012-07-18 09:01:12 -07:00
datagram.c
ipv4: Add a socket release callback for datagram sockets
2013-01-21 14:17:05 -05:00
devinet.c
net: Convert uses of typedef ctl_table to struct ctl_table
2013-06-13 02:36:09 -07:00
esp4.c
ipv4: properly refresh rtable entries on pmtu/redirect events
2013-06-03 00:07:42 -07:00
fib_frontend.c
netlink: fix splat in skb_clone with large messages
2013-06-27 22:44:16 -07:00
fib_lookup.h
…
fib_rules.c
sections: fix section conflicts in net
2012-10-06 03:04:45 +09:00
fib_semantics.c
ipv4: use next hop exceptions also for input routes
2013-06-28 21:27:47 -07:00
fib_trie.c
fib_trie: no need to delay vfree()
2013-05-06 11:06:51 -04:00
gre_demux.c
net: gre: move GSO functions to gre_offload
2013-07-03 14:37:39 -07:00
gre_offload.c
gso: Update tunnel segmentation to support Tx checksum offload
2013-07-11 12:18:49 -07:00
icmp.c
icmp: avoid allocating large struct on stack
2013-06-03 00:28:44 -07:00
igmp.c
igmp: fix new sparse errors
2013-06-12 14:14:55 -07:00
inet_connection_sock.c
tcp: Remove TCPCT
2013-03-17 14:35:13 -04:00
inet_diag.c
netlink: rename ssk to sk in struct netlink_skb_params
2013-04-19 14:57:56 -04:00
inet_fragment.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2013-07-09 18:24:39 -07:00
inet_hashtables.c
inet: fix spacing in assignment
2013-07-11 12:02:39 -07:00
inet_lro.c
ipv4: replace ip_fast_csum with csum_replace2
2013-03-15 09:12:25 -04:00
inet_timewait_sock.c
hlist: drop the node parameter from iterators
2013-02-27 19:10:24 -08:00
inetpeer.c
Merge branch 'for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
2012-10-02 09:54:49 -07:00
ip_forward.c
ipv4: introduce rt_uses_gateway
2012-10-08 17:42:36 -04:00
ip_fragment.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2013-04-22 20:32:51 -04:00
ip_gre.c
gre: fix a regression in ioctl
2013-07-01 23:35:22 -07:00
ip_input.c
net: Add MIB counters for checksum errors
2013-04-29 15:14:03 -04:00
ip_options.c
net/ipv4: Ensure that location of timestamp option is stored
2013-03-12 05:35:39 -04:00
ip_output.c
ipv4: ip_output: remove inline marking of EXPORT_SYMBOL functions
2013-05-11 16:12:44 -07:00
ip_sockglue.c
net: prevent setting ttl=0 via IP_TTL
2013-01-08 17:57:10 -08:00
ip_tunnel_core.c
ip_tunnel: push generic protocol handling to ip_tunnel module.
2013-06-19 18:07:41 -07:00
ip_tunnel.c
gre: Fix MTU sizing check for gretap tunnels
2013-07-11 16:12:03 -07:00
ip_vti.c
vti: remove duplicated code to fix a memory leak
2013-07-01 23:37:14 -07:00
ipcomp.c
ipv4: properly refresh rtable entries on pmtu/redirect events
2013-06-03 00:07:42 -07:00
ipconfig.c
ipconfig: add informative timeout messages while waiting for carrier
2013-04-02 14:35:33 -04:00
ipip.c
ipip: fix a regression in ioctl
2013-07-02 01:13:09 -07:00
ipmr.c
net: remove last caller of skb_tail_offset() and itself
2013-06-10 22:22:23 -07:00
Kconfig
Kconfig: remove dangling references to the deleted file
2013-06-04 15:17:39 -07:00
Makefile
net: gre: move GSO functions to gre_offload
2013-07-03 14:37:39 -07:00
netfilter.c
netfilter: add my copyright statements
2013-04-18 20:27:55 +02:00
ping.c
net: ping_check_bind_addr() etc. can be static
2013-06-13 01:36:41 -07:00
proc.c
net: add low latency socket poll
2013-06-10 21:22:35 -07:00
protocol.c
ipv4: Disallow non-namespace aware protocols to register.
2013-02-05 14:42:23 -05:00
raw.c
hlist: drop the node parameter from iterators
2013-02-27 19:10:24 -08:00
route.c
ipv4: use next hop exceptions also for input routes
2013-06-28 21:27:47 -07:00
syncookies.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2013-04-22 20:32:51 -04:00
sysctl_net_ipv4.c
net: Convert uses of typedef ctl_table to struct ctl_table
2013-06-13 02:36:09 -07:00
tcp_bic.c
tcp: fix undo after RTO for BIC
2012-01-20 14:17:26 -05:00
tcp_cong.c
tcp: remove Appropriate Byte Count support
2013-02-05 14:51:16 -05:00
tcp_cubic.c
tcp: fix undo after RTO for CUBIC
2012-01-20 14:17:26 -05:00
tcp_diag.c
inet_diag: Rename inet_diag_req into inet_diag_req_v2
2012-01-11 12:56:06 -08:00
tcp_fastopen.c
tcp: TCP Fast Open Server - header & support functions
2012-08-31 20:02:18 -04:00
tcp_highspeed.c
…
tcp_htcp.c
…
tcp_hybla.c
tcp: bool conversions
2012-05-17 14:59:59 -04:00
tcp_illinois.c
net: fix divide by zero in tcp algorithm illinois
2012-11-01 11:55:59 -04:00
tcp_input.c
tcp: introduce a per-route knob for quick ack
2013-06-19 23:06:51 -07:00
tcp_ipv4.c
net: rename ll methods to busy-poll
2013-07-10 17:08:27 -07:00
tcp_lp.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
tcp_memcontrol.c
net: tcp_memcontrol: minor: remove unused variable
2013-04-14 15:41:49 -04:00
tcp_metrics.c
tcp: do not expire TCP fastopen cookies
2013-05-05 16:58:02 -04:00
tcp_minisocks.c
tcp: md5: remove spinlock usage in fast path
2013-05-20 14:00:42 -07:00
tcp_offload.c
net: tcp: move GRO/GSO functions to tcp_offload
2013-06-07 14:39:05 -07:00
tcp_output.c
tcp: introduce a per-route knob for quick ack
2013-06-19 23:06:51 -07:00
tcp_probe.c
net: proc: change proc_net_remove to remove_proc_entry
2013-02-18 14:53:08 -05:00
tcp_scalable.c
…
tcp_timer.c
tcp: refactor F-RTO
2013-03-21 11:47:50 -04:00
tcp_vegas.c
…
tcp_vegas.h
…
tcp_veno.c
…
tcp_westwood.c
tcp: refactor F-RTO
2013-03-21 11:47:50 -04:00
tcp_yeah.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
tcp.c
net: rename include/net/ll_poll.h to include/net/busy_poll.h
2013-07-10 17:08:27 -07:00
tunnel4.c
net: Convert printks to pr_<level>
2012-03-11 23:42:51 -07:00
udp_diag.c
netlink: rename ssk to sk in struct netlink_skb_params
2013-04-19 14:57:56 -04:00
udp_impl.h
ipv4: fix checkpatch errors
2012-04-15 12:37:19 -04:00
udp_offload.c
net: udp4: move GSO functions to udp_offload
2013-06-12 00:47:25 -07:00
udp.c
gso: Update tunnel segmentation to support Tx checksum offload
2013-07-11 12:18:49 -07:00
udplite.c
net: ipv4: Standardize prefixes for message logging
2012-03-12 17:05:21 -07:00
xfrm4_input.c
net: Add skb_unclone() helper function.
2013-02-15 15:10:37 -05:00
xfrm4_mode_beet.c
ipsec: be careful of non existing mac headers
2012-02-23 16:50:45 -05:00
xfrm4_mode_transport.c
…
xfrm4_mode_tunnel.c
xfrm: allow to avoid copying DSCP during encapsulation
2013-03-06 07:02:45 +01:00
xfrm4_output.c
xfrm4: Don't call icmp_send on local error
2011-07-01 17:33:19 -07:00
xfrm4_policy.c
xfrm: make gc_thresh configurable in all namespaces
2013-02-06 11:36:29 +01:00
xfrm4_state.c
net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules
2011-10-31 19:30:30 -04:00
xfrm4_tunnel.c
sit: add IPv4 over IPv4 support
2013-05-31 17:19:05 -07:00