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Roopa Prabhu 14972cbd34 net: lwtunnel: Handle fragmentation 
Today mpls iptunnel lwtunnel_output redirect expects the tunnel
output function to handle fragmentation. This is ok but can be
avoided if we did not do the mpls output redirect too early.
ie we could wait until ip fragmentation is done and then call
mpls output for each ip fragment.

To make this work we will need,
1) the lwtunnel state to carry encap headroom
2) and do the redirect to the encap output handler on the ip fragment
(essentially do the output redirect after fragmentation)

This patch adds tunnel headroom in lwtstate to make sure we
account for tunnel data in mtu calculations during fragmentation
and adds new xmit redirect handler to redirect to lwtunnel xmit func
after ip fragmentation.

This includes IPV6 and some mtu fixes and testing from David Ahern.

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2016-08-30 22:27:18 -07:00
..
6lowpan 6lowpan: ndisc: set invalid unicast short addr to unspec 2016-07-08 13:23:12 +02:00
9p 9p/trans_virtio: use kvfree() for iov_iter_get_pages_alloc() 2016-08-09 13:42:36 +03:00
802
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8021q net: remove type_check from dev_get_nest_level() 2016-08-13 15:15:54 -07:00
appletalk
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atm net: atm: remove redundant null pointer check on dev->name 2016-08-18 21:03:48 -07:00
ax25 AX.25: Close socket connection on session completion 2016-06-18 20:55:34 -07:00
batman-adv batman-adv: Allow to disable debugfs support 2016-08-09 07:54:54 +02:00
bluetooth Bluetooth: Fix hci_sock_recvmsg when MSG_TRUNC is not set 2016-08-25 20:58:47 +02:00
bridge bridge: switchdev: Add forward mark support for stacked devices 2016-08-26 13:13:36 -07:00
caif caif: Remove unneeded header file 2016-06-28 05:26:14 -04:00
can can: only call can_stat_update with procfs 2016-06-23 11:23:49 +02:00
ceph libceph: using kfree_rcu() to simplify the code 2016-08-08 21:41:42 +02:00
core net: lwtunnel: Handle fragmentation 2016-08-30 22:27:18 -07:00
dcb
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dccp Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2016-07-29 17:38:46 -07:00
decnet net: fix decnet rtnexthop parsing 2016-07-05 14:08:47 -07:00
dns_resolver
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dsa net: dsa: rename switch operations structure 2016-08-24 21:45:39 -07:00
ethernet
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hsr net/hsr: Use setup_timer and mod_timer. 2016-05-16 14:00:43 -04:00
ieee802154 ieee802154: 6lowpan: fix intra pan id check 2016-07-08 13:23:12 +02:00
ipv4 net: lwtunnel: Handle fragmentation 2016-08-30 22:27:18 -07:00
ipv6 net: lwtunnel: Handle fragmentation 2016-08-30 22:27:18 -07:00
ipx
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irda net/irda: remove pointless assignment/check 2016-08-19 18:07:24 -07:00
iucv Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2016-07-29 17:38:46 -07:00
kcm kcm: Remove TCP specific references from kcm and strparser 2016-08-28 23:32:41 -04:00
key
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l2tp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-08-30 00:54:02 -04:00
l3mdev net: vrf: Implement get_saddr for IPv6 2016-06-17 21:25:29 -07:00
lapb net/lapb: tuse %*ph to dump buffers 2016-05-29 22:33:25 -07:00
llc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-05-09 15:59:24 -04:00
mac80211 mac80211: call get_expected_throughput only after adding station 2016-08-11 20:00:37 +02:00
mac802154
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mpls net: lwtunnel: Handle fragmentation 2016-08-30 22:27:18 -07:00
ncsi net/ncsi: avoid maybe-uninitialized warning 2016-07-25 10:32:59 -07:00
netfilter netfilter: cttimeout: fix use after free error when delete netns 2016-08-18 15:17:00 +02:00
netlabel netlabel: Implement CALIPSO config functions for SMACK. 2016-06-27 15:06:18 -04:00
netlink netlink: Use rhashtable walk interface in diag dump 2016-08-19 14:40:25 -07:00
netrom
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nfc NFC: digital: Fix RTOX supervisor PDU handling 2016-07-11 02:02:03 +02:00
openvswitch openvswitch: do not ignore netdev errors when creating tunnel vports 2016-08-10 23:13:23 -07:00
packet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-07-24 00:53:32 -04:00
phonet
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qrtr Merge tag 'qcom-soc-for-4.7-2' into net-next 2016-05-17 14:11:19 -04:00
rds RDS: add __printf format attribute to error reporting functions 2016-08-08 16:16:21 -07:00
rfkill
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rose rose: limit sk_filter trim to payload 2016-07-13 11:53:40 -07:00
rxrpc rxrpc: Pass struct socket * to more rxrpc kernel interface functions 2016-08-30 16:07:53 +01:00
sched Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-08-30 00:54:02 -04:00
sctp sctp: fix overrun in sctp_diag_dump_one() 2016-08-23 17:22:53 -07:00
strparser kcm: Remove TCP specific references from kcm and strparser 2016-08-28 23:32:41 -04:00
sunrpc NFS client bugfixes for Linux 4.8 2016-08-12 12:32:24 -07:00
switchdev bridge: switchdev: Add forward mark support for stacked devices 2016-08-26 13:13:36 -07:00
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-08-30 00:54:02 -04:00
unix af_unix: charge buffers to kmemcg 2016-07-26 16:19:19 -07:00
vmw_vsock vhost/vsock: drop space available check for TX vq 2016-08-15 05:05:21 +03:00
wimax
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wireless Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-08-18 01:17:32 -04:00
x25 net: fix a kernel infoleak in x25 module 2016-05-09 22:45:33 -04:00
xfrm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-05-09 15:59:24 -04:00
Kconfig strparser: Stream parser for messages 2016-08-17 19:36:23 -04:00
Makefile strparser: Stream parser for messages 2016-08-17 19:36:23 -04:00
compat.c packet: compat support for sock_fprog 2016-06-09 23:41:03 -07:00
socket.c fs: poll/select/recvmmsg: use timespec64 for timeout events 2016-05-19 19:12:14 -07:00
sysctl_net.c net: make net namespace sysctls belong to container's owner 2016-08-14 21:08:58 -07:00