linux/net/ipv6
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
..
ila kcm: Use stream parser 2016-08-17 19:36:23 -04:00
netfilter netfilter: x_tables: speed up jump target validation 2016-07-18 21:35:23 +02:00
addrconf_core.c ipv6: change ipv6_stub_impl.ipv6_dst_lookup to take net argument 2015-07-31 15:21:30 -07:00
addrconf.c net: ipv6: Remove addresses for failures with strict DAD 2016-08-22 16:59:37 -07:00
addrlabel.c ipv6/addrlabel: fix ip6addrlbl_get() 2015-12-22 15:57:54 -05:00
af_inet6.c tcp: Set read_sock and peek_len proto_ops 2016-08-28 23:32:41 -04:00
ah6.c ah6: fix error return code 2015-08-25 13:37:31 -07:00
anycast.c ipv6: coding style: comparison for equality with NULL 2015-03-31 13:51:54 -04:00
calipso.c calipso: fix resource leak on calipso_genopt failure 2016-08-13 14:56:17 -07:00
datagram.c sock: propagate __sock_cmsg_send() error 2016-05-16 13:46:23 -04:00
esp6.c esp6: Switch to new AEAD interface 2015-05-28 11:23:20 +08:00
exthdrs_core.c ipv6: constify the skb pointer of ipv6_find_tlv(). 2016-06-27 15:06:15 -04:00
exthdrs_offload.c ipv6: fix exthdrs offload registration in out_rt path 2015-09-02 15:31:00 -07:00
exthdrs.c Merge branch 'stable-4.8' of git://git.infradead.org/users/pcmoore/selinux into next 2016-07-07 10:15:34 +10:00
fib6_rules.c net: Add l3mdev rule 2016-06-08 11:36:02 -07:00
fou6.c fou: add Kconfig options for IPv6 support 2016-05-29 22:24:21 -07:00
icmp.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-06-30 05:03:36 -04:00
inet6_connection_sock.c soreuseport: fast reuseport TCP socket selection 2016-02-11 03:54:15 -05:00
inet6_hashtables.c net: rename NET_{ADD|INC}_STATS_BH() 2016-04-27 22:48:24 -04:00
ip6_checksum.c ipv6: fix checksum annotation in udp6_csum_init 2016-06-14 15:26:42 -04:00
ip6_fib.c ipv6: Fix mem leak in rt6i_pcpu 2016-07-05 14:09:23 -07:00
ip6_flowlabel.c ipv6: add new struct ipcm6_cookie 2016-05-03 16:08:14 -04:00
ip6_gre.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-08-18 01:17:32 -04:00
ip6_icmp.c ipv6: icmp: add a force_saddr param to icmp6_send() 2016-06-18 22:11:38 -07:00
ip6_input.c net: vrf: ipv6 support for local traffic to local addresses 2016-06-08 00:25:38 -07:00
ip6_offload.c ip4ip6: Support for GSO/GRO 2016-05-20 18:03:17 -04:00
ip6_offload.h udp: Add GRO functions to UDP socket 2016-04-07 16:53:29 -04:00
ip6_output.c net: lwtunnel: Handle fragmentation 2016-08-30 22:27:18 -07:00
ip6_tunnel.c net: resolve symbol conflicts with generic hashtable.h 2016-08-10 17:18:52 -07:00
ip6_udp_tunnel.c ip_tunnel: add support for setting flow label via collect metadata 2016-03-11 15:14:26 -05:00
ip6_vti.c net: resolve symbol conflicts with generic hashtable.h 2016-08-10 17:18:52 -07:00
ip6mr.c net: ipmr/ip6mr: update lastuse on entry change 2016-07-26 15:18:31 -07:00
ipcomp6.c ipv6: White-space cleansing : Structure layouts 2014-08-24 22:37:52 -07:00
ipv6_sockglue.c Merge branch 'stable-4.8' of git://git.infradead.org/users/pcmoore/selinux into next 2016-07-07 10:15:34 +10:00
Kconfig fou: fix IPv6 Kconfig options 2016-05-31 14:07:49 -07:00
Makefile Merge branch 'stable-4.8' of git://git.infradead.org/users/pcmoore/selinux into next 2016-07-07 10:15:34 +10:00
mcast_snoop.c net: fix wrong skb_get() usage / crash in IGMP/MLD parsing code 2015-08-13 17:08:39 -07:00
mcast.c net/multicast: should not send source list records when have filter mode change 2016-08-08 16:04:39 -07:00
mip6.c ipv6: use ktime_t for internal timestamps 2015-10-05 03:16:47 -07:00
ndisc.c ipv6: export several functions 2016-06-15 20:41:23 -07:00
netfilter.c ipv6: Pass struct net into ip6_route_me_harder 2015-09-29 20:21:32 +02:00
output_core.c ipv4, ipv6: Pass net into ip_local_out and ip6_local_out 2015-10-08 04:27:02 -07:00
ping.c net: ipv6: Fix ping to link-local addresses. 2016-08-15 12:19:09 -07:00
proc.c udp: Increment UDP_MIB_IGNOREDMULTI for arriving unmatched multicasts 2014-11-07 15:45:50 -05:00
protocol.c net: Export inet_offloads and inet6_offloads 2014-09-19 17:15:31 -04:00
raw.c ipv6: use TOS marks from sockets for routing decision 2016-06-11 15:33:26 -07:00
reassembly.c ipv6: rename IP6_INC_STATS_BH() 2016-04-27 22:48:24 -04:00
route.c net: lwtunnel: Handle fragmentation 2016-08-30 22:27:18 -07:00
sit.c sit: make function ipip6_valid_ip_proto() static 2016-08-12 21:52:18 -07:00
syncookies.c net: rename NET_{ADD|INC}_STATS_BH() 2016-04-27 22:48:24 -04:00
sysctl_net_ipv6.c calipso: Add a label cache. 2016-06-27 15:06:17 -04:00
tcp_ipv6.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-08-30 00:54:02 -04:00
tcpv6_offload.c tcp: cleanup static functions 2015-02-28 16:56:51 -05:00
tunnel6.c ipv6: fix tunnel error handling 2015-11-03 10:52:13 -05:00
udp_impl.h ipv6: udp: remove udp_v6_clear_sk() 2016-08-23 23:23:50 -07:00
udp_offload.c gso: Remove arbitrary checks for unsupported GSO 2016-05-20 18:03:15 -04:00
udp.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-08-30 00:54:02 -04:00
udplite.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-08-30 00:54:02 -04:00
xfrm6_input.c netfilter: Pass struct net into the netfilter hooks 2015-09-17 17:18:37 -07:00
xfrm6_mode_beet.c xfrm: simplify xfrm_address_t use 2015-03-31 13:58:35 -04:00
xfrm6_mode_ro.c
xfrm6_mode_transport.c
xfrm6_mode_tunnel.c ipv6: update skb->csum when CE mark is propagated 2016-01-15 15:07:23 -05:00
xfrm6_output.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-10-24 06:54:12 -07:00
xfrm6_policy.c net: xfrm: fix old-style declaration 2016-06-16 22:06:30 -07:00
xfrm6_protocol.c
xfrm6_state.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
xfrm6_tunnel.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00