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linux/net/ipv6
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Xin Long 82a40777de ip6_tunnel: use the right value for ipv4 min mtu check in ip6_tnl_xmit 
According to RFC791, 68 bytes is the minimum size of IPv4 datagram every
device must be able to forward without further fragmentation while 576
bytes is the minimum size of IPv4 datagram every device has to be able
to receive, so in ip6_tnl_xmit(), 68(IPV4_MIN_MTU) should be the right
value for the ipv4 min mtu check in ip6_tnl_xmit.

While at it, change to use max() instead of if statement.

Fixes: c9fefa08190f ("ip6_tunnel: get the min mtu properly in ip6_tnl_xmit")
Reported-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05 17:35:02 -07:00
..
ila
treewide: kvmalloc() -> kvmalloc_array()
2018-06-12 16:19:22 -07:00
netfilter
netfilter: ipv6: nf_defrag: drop skb dst before queueing
2018-07-09 18:04:12 +02:00
addrconf_core.c
net/ipv6: Add helper to return path MTU based on fib result
2018-05-22 10:51:09 +02:00
addrconf.c
ipv6: use fib6_info_hold_safe() when necessary
2018-07-23 11:19:02 -07:00
addrlabel.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
af_inet6.c
Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL
2018-06-28 10:40:47 -07:00
ah6.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2017-11-15 11:56:19 -08:00
anycast.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2018-06-06 18:39:49 -07:00
calipso.c
ipv6: make ipv6_renew_options() interrupt/kernel safe
2018-07-05 20:15:26 +09:00
datagram.c
ip: in cmsg IP(V6)_ORIGDSTADDR call pskb_may_pull
2018-07-24 16:35:58 -07:00
esp6_offload.c
esp: check the NETIF_F_HW_ESP_TX_CSUM bit before segmenting
2018-02-27 10:46:01 +01:00
esp6.c
esp6: fix memleak on error path in esp6_input
2018-06-27 17:32:11 +02:00
exthdrs_core.c
net: ipv6: Fix typo in ipv6_find_hdr() documentation
2018-05-07 23:50:27 -04:00
exthdrs_offload.c
…
exthdrs.c
ipv6: make ipv6_renew_options() interrupt/kernel safe
2018-07-05 20:15:26 +09:00
fib6_notifier.c
net: Add module reference to FIB notifiers
2017-09-01 20:33:42 -07:00
fib6_rules.c
net/ipv6: Add fib6_lookup
2018-05-11 00:10:56 +02:00
fou6.c
fou: make local function static
2017-05-21 13:42:36 -04:00
icmp.c
net/ipv6: Fix linklocal to global address with VRF
2018-07-21 19:31:46 -07:00
inet6_connection_sock.c
…
inet6_hashtables.c
net/tcp: Fix socket lookups with SO_BINDTODEVICE
2018-06-20 08:03:06 +09:00
ip6_checksum.c
udplite: fix partial checksum initialization
2018-02-16 15:57:42 -05:00
ip6_fib.c
Revert "net/ipv6: fix metrics leak"
2018-08-01 21:32:30 -07:00
ip6_flowlabel.c
proc: introduce proc_create_net{,_data}
2018-05-16 07:24:30 +02:00
ip6_gre.c
net: ip6_gre: get ipv6hdr after skb_cow_head()
2018-07-16 13:39:47 -07:00
ip6_icmp.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ip6_input.c
ipv6: Count interface receive statistics on the ingress netdev
2018-04-17 13:39:51 -04:00
ip6_offload.c
udp: add udp gso
2018-04-26 15:07:42 -04:00
ip6_offload.h
…
ip6_output.c
ip: hash fragments consistently
2018-07-23 11:39:30 -07:00
ip6_tunnel.c
ip6_tunnel: use the right value for ipv4 min mtu check in ip6_tnl_xmit
2018-08-05 17:35:02 -07:00
ip6_udp_tunnel.c
…
ip6_vti.c
vti6: fix PMTU caching and reporting on xmit
2018-06-07 09:31:42 +02:00
ip6mr.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2018-06-06 18:39:49 -07:00
ipcomp6.c
…
ipv6_sockglue.c
ipv6/mcast: init as INCLUDE when join SSM INCLUDE group
2018-07-16 11:20:06 -07:00
Kconfig
ipv6: ila: select CONFIG_DST_CACHE
2018-07-18 10:22:37 -07:00
Makefile
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mcast_snoop.c
…
mcast.c
multicast: do not restore deleted record source filter mode to new one
2018-07-21 22:58:17 -07:00
mip6.c
…
ndisc.c
ipv6: make DAD fail with enhanced DAD when nonce length differs
2018-07-16 13:45:16 -07:00
netfilter.c
netfilter: use skb_to_full_sk in ip6_route_me_harder
2018-02-25 20:51:13 +01:00
output_core.c
net: accept UFO datagrams from tuntap and packet
2017-11-24 01:37:35 +09:00
ping.c
proc: introduce proc_create_net{,_data}
2018-05-16 07:24:30 +02:00
proc.c
proc: introduce proc_create_net_single
2018-05-16 07:24:30 +02:00
protocol.c
net: Add sysctl to toggle early demux for tcp and udp
2017-03-24 13:17:07 -07:00
raw.c
Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL
2018-06-28 10:40:47 -07:00
reassembly.c
ipv6: frags: fix a lockdep false positive
2018-04-18 23:19:39 -04:00
route.c
ipv6: fix double refcount of fib6_metrics
2018-08-05 17:22:45 -07:00
seg6_hmac.c
ipv6: sr: fix passing wrong flags to crypto_alloc_shash()
2018-07-02 20:36:37 +09:00
seg6_iptunnel.c
ipv6: sr: fix useless rol32 call on hash
2018-07-18 15:10:47 -07:00
seg6_local.c
ipv6: sr: Add seg6local action End.BPF
2018-05-24 11:57:36 +02:00
seg6.c
net: remove unnecessary genlmsg_cancel() calls
2018-05-29 09:53:38 -04:00
sit.c
ip6_tunnel: remove magic mtu value 0xFFF8
2018-06-01 13:56:30 -04:00
syncookies.c
net/ipv4: disable SMC TCP option with SYN Cookies
2018-03-25 20:53:54 -04:00
sysctl_net_ipv6.c
ipv6: sr: Compute flowlabel for outer IPv6 header of seg6 encap mode
2018-04-25 13:02:15 -04:00
tcp_ipv6.c
net/ipv6: Fix linklocal to global address with VRF
2018-07-21 19:31:46 -07:00
tcpv6_offload.c
gso: validate gso_type in GSO handlers
2018-01-22 16:01:30 -05:00
tunnel6.c
…
udp_impl.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
udp_offload.c
udp: Add support for software checksum and GSO_PARTIAL with GSO offload
2018-05-08 22:30:06 -04:00
udp.c
udp: fix rx queue len reported by diag and proc interface
2018-06-08 19:55:15 -04:00
udplite.c
proc: introduce proc_create_net{,_data}
2018-05-16 07:24:30 +02:00
xfrm6_input.c
xfrm: Reinject transport-mode packets through tasklet
2017-12-19 08:23:21 +01:00
xfrm6_mode_beet.c
networking: make skb_pull & friends return void pointers
2017-06-16 11:48:39 -04:00
xfrm6_mode_ro.c
ipv6: xfrm: Handle errors reported by xfrm6_find_1stfragopt()
2017-06-02 13:57:27 -04:00
xfrm6_mode_transport.c
ipv6: xfrm: Handle errors reported by xfrm6_find_1stfragopt()
2017-06-02 13:57:27 -04:00
xfrm6_mode_tunnel.c
xfrm: Verify MAC header exists before overwriting eth_hdr(skb)->h_proto
2018-03-07 10:54:29 +01:00
xfrm6_output.c
net: xfrm: use skb_gso_validate_network_len() to check gso sizes
2018-03-04 17:49:17 -05:00
xfrm6_policy.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2018-06-03 09:31:58 -04:00
xfrm6_protocol.c
xfrm: input: constify xfrm_input_afinfo
2017-02-09 10:22:17 +01:00
xfrm6_state.c
xfrm: remove VLA usage in __xfrm6_sort()
2018-04-26 07:51:48 +02:00
xfrm6_tunnel.c
xfrm: Fix warning in xfrm6_tunnel_net_exit.
2018-04-16 07:50:09 +02:00