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Grégoire Baron eb4d406545 net/sched: add ACT_CSUM action to update packets checksums 
net/sched: add ACT_CSUM action to update packets checksums

ACT_CSUM can be called just after ACT_PEDIT in order to re-compute some
altered checksums in IPv4 and IPv6 packets. The following checksums are
supported by this patch:
 - IPv4: IPv4 header, ICMP, IGMP, TCP, UDP & UDPLite
 - IPv6: ICMPv6, TCP, UDP & UDPLite
It's possible to request in the same action to update different kind of
checksums, if the packets flow mix TCP, UDP and UDPLite, ...

An example of usage is done in the associated iproute2 patch.

Version 3 changes:
 - remove useless goto instructions
 - improve IPv6 hop options decoding

Version 2 changes:
 - coding style correction
 - remove useless arguments of some functions
 - use stack in tcf_csum_dump()
 - add tcf_csum_skb_nextlayer() to factor code

Signed-off-by: Gregoire Baron <baronchon@n7mm.org>
Acked-by: jamal <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-20 01:42:59 -07:00
..
9p fs/9p: destroy fid on failed remove 2010-08-02 14:28:36 -05:00
802 Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-04-11 14:53:53 -07:00
8021q vlan_dev: VLAN 0 should be treated as "no vlan tag" (802.1p packet) 2010-07-18 15:38:44 -07:00
appletalk Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-04-11 14:53:53 -07:00
atm atm: remove a net_device_stats clear 2010-08-19 00:14:36 -07:00
ax25 net/ax25: Use available error codes 2010-08-18 14:26:31 -07:00
bluetooth Bluetooth: Fix incorrect setting of remote_tx_win for L2CAP ERTM 2010-08-10 07:59:11 -04:00
bridge Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-08-02 22:22:46 -07:00
caif caif: Bugfix - Increase default headroom size for control channel. 2010-08-10 16:39:27 -07:00
can net: simplify flags for tx timestamping 2010-08-19 00:08:30 -07:00
core net: rps: use proto_ports_offset() to handle the AH message correctly 2010-08-19 17:16:23 -07:00
dcb include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
dccp net: dccp: fix sign bug 2010-07-18 15:07:14 -07:00
decnet net/decnet: Adjust confusing if indentation 2010-08-16 21:06:30 -07:00
dns_resolver DNS: If the DNS server returns an error, allow that to be cached [ver #2] 2010-08-11 17:11:28 +00:00
dsa phylib: available for any speed ethernet 2010-08-11 23:03:50 -07:00
econet econet: fix locking 2010-06-11 18:37:08 -07:00
ethernet Net: ethernet: pe2.c: fix EXPORT_SYMBOL macro code style issue 2010-07-14 18:27:09 -07:00
ieee802154 ieee802154: Fix possible NULL pointer dereference in wpan_phy_alloc 2010-05-23 23:11:07 -07:00
ipv4 net: build_ehash_secret() and rt_bind_peer() cleanups 2010-08-20 00:50:16 -07:00
ipv6 ipv6: remove sysctl jiffies conversion on gc_elasticity and min_adv_mss 2010-08-14 22:42:51 -07:00
ipx include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
irda ppp: make channel_ops const 2010-08-04 21:53:17 -07:00
iucv net: use __packed annotation 2010-06-03 03:21:52 -07:00
key pfkey: add severity to printk 2010-05-17 23:23:13 -07:00
l2tp ppp: make channel_ops const 2010-08-04 21:53:17 -07:00
lapb include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
llc Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-05-12 00:05:35 -07:00
mac80211 param: simple locking for sysfs-writable charp parameters 2010-08-11 23:04:31 +09:30
netfilter netfilter: xt_hashlimit: use proto_ports_offset() to support AH message 2010-08-19 17:16:25 -07:00
netlabel net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
netlink Revert "netlink: netlink_recvmsg() fix" 2010-08-15 23:21:50 -07:00
netrom net: sk_sleep() helper 2010-04-20 16:37:13 -07:00
packet net: simplify flags for tx timestamping 2010-08-19 00:08:30 -07:00
phonet Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-07-20 18:25:24 -07:00
rds net/rds: Add missing mutex_unlock 2010-05-29 00:18:48 -07:00
rfkill Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-04-11 14:53:53 -07:00
rose net/rose: Use GFP_ATOMIC 2010-08-01 00:32:12 -07:00
rxrpc Add a dummy printk function for the maintenance of unused printks 2010-08-12 09:51:35 -07:00
sched net/sched: add ACT_CSUM action to update packets checksums 2010-08-20 01:42:59 -07:00
sctp Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-08-04 15:31:02 -07:00
sunrpc nfs: update for module_param_named API change 2010-08-11 23:04:15 +09:30
tipc tipc: Prevent missing name table entries when link flip-flops rapidly 2010-08-17 17:32:00 -07:00
unix drop_monitor: convert some kfree_skb call sites to consume_skb 2010-07-20 13:28:05 -07:00
wanrouter net: autoconvert trivial BKL users to private mutex 2010-07-12 20:21:47 -07:00
wimax Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2010-05-20 21:04:44 -07:00
wireless cfg80211: fix locking in action frame TX 2010-08-09 15:18:57 -04:00
x25 X25: Remove bkl in sockopts 2010-05-17 17:39:28 -07:00
xfrm xfrm: Use GFP_ATOMIC in xfrm_compile_policy 2010-08-14 22:38:09 -07:00
compat.c From abbffa2aa9bd6f8df16d0d0a102af677510d8b9a Mon Sep 17 00:00:00 2001 2010-06-03 20:03:40 -07:00
Kconfig DNS: Separate out CIFS DNS Resolver code 2010-08-05 17:17:51 +00:00
Makefile DNS: Separate out CIFS DNS Resolver code 2010-08-05 17:17:51 +00:00
nonet.c
socket.c net: simplify flags for tx timestamping 2010-08-19 00:08:30 -07:00
sysctl_net.c net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
TUNABLE