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8bce6d7d0d
linux/net/ipv6
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Tom Herbert 8bce6d7d0d udp: Generalize skb_udp_segment 
skb_udp_segment is the function called from udp4_ufo_fragment to
segment a UDP tunnel packet. This function currently assumes
segmentation is transparent Ethernet bridging (i.e. VXLAN
encapsulation). This patch generalizes the function to
operate on either Ethertype or IP protocol.

The inner_protocol field must be set to the protocol of the inner
header. This can now be either an Ethertype or an IP protocol
(in a union). A new flag in the skbuff indicates which type is
effective. skb_set_inner_protocol and skb_set_inner_ipproto
helper functions were added to set the inner_protocol. These
functions are called from the point where the tunnel encapsulation
is occuring.

When skb_udp_tunnel_segment is called, the function to segment the
inner packet is selected based on the inner IP or Ethertype. In the
case of an IP protocol encapsulation, the function is derived from
inet[6]_offloads. In the case of Ethertype, skb->protocol is
set to the inner_protocol and skb_mac_gso_segment is called. (GRE
currently does this, but it might be possible to lookup the protocol
in offload_base and call the appropriate segmenation function
directly).

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-01 21:35:51 -04:00
..
netfilter netfilter: masquerading needs to be independent of x_tables in Kconfig 2014-09-12 09:40:18 +02:00
addrconf_core.c net: clean up snmp stats code 2014-05-07 16:06:05 -04:00
addrconf.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-09-23 12:09:27 -04:00
addrlabel.c list: fix order of arguments for hlist_add_after(_rcu) 2014-08-06 18:01:24 -07:00
af_inet6.c ipv6: add a struct inet6_skb_parm param to ipv6_opt_accepted() 2014-09-28 16:35:43 -04:00
ah6.c ipsec: Remove obsolete MAX_AH_AUTH_LEN 2014-09-18 10:54:36 +02:00
anycast.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-09-23 12:09:27 -04:00
datagram.c sock: deduplicate errqueue dequeue 2014-09-01 21:49:08 -07:00
esp6.c ipv6: White-space cleansing : Structure layouts 2014-08-24 22:37:52 -07:00
exthdrs_core.c ipv6: ipv6_find_hdr restore prev functionality 2014-02-27 18:27:26 -05:00
exthdrs_offload.c ipv6: Fix exthdrs offload registration. 2014-03-06 16:35:55 -05:00
exthdrs.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
fib6_rules.c ipv6: move IPV6_TCLASS_SHIFT into ipv6.h and define a helper 2014-01-15 15:53:18 -08:00
icmp.c icmp: add a global rate limitation 2014-09-23 12:47:38 -04:00
inet6_connection_sock.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00
inet6_hashtables.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00
ip6_checksum.c udp: Generic functions to set checksum 2014-06-04 22:46:38 -07:00
ip6_fib.c net: ipv6: fib: don't sleep inside atomic lock 2014-08-22 10:54:49 -07:00
ip6_flowlabel.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00
ip6_gre.c net: set name_assign_type in alloc_netdev() 2014-07-15 16:12:48 -07:00
ip6_icmp.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
ip6_input.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
ip6_offload.c net: Remove gso_send_check as an offload callback 2014-09-26 00:22:47 -04:00
ip6_offload.h ipv6: Pull IPv6 GSO registration out of the module 2012-11-15 17:39:24 -05:00
ip6_output.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-09-23 12:09:27 -04:00
ip6_tunnel.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
ip6_udp_tunnel.c udp: Need to make ip6_udp_tunnel.c have GPL license 2014-09-22 15:08:25 -04:00
ip6_vti.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2014-07-30 20:05:54 -07:00
ip6mr.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
ipcomp6.c ipv6: White-space cleansing : Structure layouts 2014-08-24 22:37:52 -07:00
ipv6_sockglue.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00
Kconfig ip6_vti: Fix build when NET_IP_TUNNEL is not set. 2014-02-20 14:29:49 +01:00
Makefile udp_tunnel: Only build ip6_udp_tunnel.c when IPV6 is selected 2014-09-19 22:05:28 -04:00
mcast.c ipv6: mld: answer mldv2 queries with mldv1 reports in mldv1 fallback 2014-09-22 16:23:15 -04:00
mip6.c ipv6: White-space cleansing : Structure layouts 2014-08-24 22:37:52 -07:00
ndisc.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00
netfilter.c netfilter: Fix potential use after free in ip6_route_me_harder() 2014-05-09 02:36:39 +02:00
output_core.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
ping.c net: Eliminate no_check from protosw 2014-05-23 16:28:53 -04:00
proc.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
protocol.c net: Export inet_offloads and inet6_offloads 2014-09-19 17:15:31 -04:00
raw.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
reassembly.c ipv6: White-space cleansing : Structure layouts 2014-08-24 22:37:52 -07:00
route.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00
sit.c sit: Setup and TX path for sit/UDP foo-over-udp encapsulation 2014-09-19 17:15:32 -04:00
syncookies.c ipv6: add a struct inet6_skb_parm param to ipv6_opt_accepted() 2014-09-28 16:35:43 -04:00
sysctl_net_ipv6.c ipv6: add sysctl_mld_qrv to configure query robustness variable 2014-09-04 22:26:14 -07:00
tcp_ipv6.c tcp: better TCP_SKB_CB layout to reduce cache line misses 2014-09-28 16:35:43 -04:00
tcpv6_offload.c net: Remove gso_send_check as an offload callback 2014-09-26 00:22:47 -04:00
tunnel6.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00
udp_impl.h net: ipv4/ipv6: Remove extern from function prototypes 2013-10-19 19:12:11 -04:00
udp_offload.c udp: Generalize skb_udp_segment 2014-10-01 21:35:51 -04:00
udp.c udp: Add support for doing checksum unnecessary conversion 2014-09-01 21:36:28 -07:00
udplite.c net: Eliminate no_check from protosw 2014-05-23 16:28:53 -04:00
xfrm6_input.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00
xfrm6_mode_beet.c ipsec: be careful of non existing mac headers 2012-02-23 16:50:45 -05:00
xfrm6_mode_ro.c ipv4/ipv6: Fix FSF address in file headers 2013-12-06 12:37:56 -05:00
xfrm6_mode_transport.c
xfrm6_mode_tunnel.c xfrm6: Remove xfrm_tunnel_notifier 2014-03-14 07:28:08 +01:00
xfrm6_output.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00
xfrm6_policy.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
xfrm6_protocol.c xfrm6: Properly handle unsupported protocols 2014-05-06 07:08:38 +02:00
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