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2010-08-20net/sched: add ACT_CSUM action to update packets checksumsGrégoire Baron2-0/+33
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>
2009-11-04net: cleanup include/linuxEric Dumazet6-26/+13
This cleanup patch puts struct/union/enum opening braces, in first line to ease grep games. struct something { becomes : struct something { Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-23pkt_sched: skbedit add support for setting markjamal1-0/+2
This adds support for setting the skb mark. Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-30headers_check fix: tc_act/tc_pedit.hJaswinder Singh Rajput1-0/+1
fix the following 'make headers_check' warning: usr/include/linux/tc_act/tc_pedit.h:19: found __[us]{8,16,32,64} type without #include <linux/types.h> Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
2009-01-30headers_check fix: tc_act/tc_mirred.hJaswinder Singh Rajput1-0/+1
fix the following 'make headers_check' warning: usr/include/linux/tc_act/tc_mirred.h:16: found __[us]{8,16,32,64} type without #include <linux/types.h> Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
2009-01-30headers_check fix: tc_act/tc_gact.hJaswinder Singh Rajput1-0/+1
fix the following 'make headers_check' warning: usr/include/linux/tc_act/tc_gact.h:19: found __[us]{8,16,32,64} type without #include <linux/types.h> Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
2008-09-13pkt_action: add new action skbeditAlexander Duyck2-0/+45
This new action will have the ability to change the priority and/or queue_mapping fields on an sk_buff. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-12-27[NET] tc_nat: header installStephen Hemminger1-0/+1
iproute2 build needs tc_nat.h header from kernel make install_headers. Signed-off-by: Stephen Hemminger <stephen.hemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-11[PKT_SCHED]: Add stateless NATHerbert Xu1-0/+29
Stateless NAT is useful in controlled environments where restrictions are placed on through traffic such that we don't need connection tracking to correctly NAT protocol-specific data. In particular, this is of interest when the number of flows or the number of addresses being NATed is large, or if connection tracking information has to be replicated and where it is not practical to do so. Previously we had stateless NAT functionality which was integrated into the IPv4 routing subsystem. This was a great solution as long as the NAT worked on a subnet to subnet basis such that the number of NAT rules was relatively small. The reason is that for SNAT the routing based system had to perform a linear scan through the rules. If the number of rules is large then major renovations would have take place in the routing subsystem to make this practical. For the time being, the least intrusive way of achieving this is to use the u32 classifier written by Alexey Kuznetsov along with the actions infrastructure implemented by Jamal Hadi Salim. The following patch is an attempt at this problem by creating a new nat action that can be invoked from u32 hash tables which would allow large number of stateless NAT rules that can be used/updated in constant time. The actual NAT code is mostly based on the previous stateless NAT code written by Alexey. In future we might be able to utilise the protocol NAT code from netfilter to improve support for other protocols. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-09-19[HEADERS] One line per header in Kbuild files to reduce conflictsDavid Woodhouse1-1/+4
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-06-18Add generic Kbuild files for 'make headers_install'David Woodhouse1-0/+1
This adds the Kbuild files listing the files which are to be installed by the 'headers_install' make target, in generic directories. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2005-04-25[PKT_SCHED]: Introduce simple actions.Jamal Hadi Salim1-0/+21
And provide an example simply action in order to demonstrate usage. Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-04-17Linux-2.6.12-rc2Linus Torvalds4-0/+119
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!