path: root/Documentation
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authorPravin B Shelar <pshelar@nicira.com>2013-03-25 14:49:35 +0000
committerDavid S. Miller <davem@davemloft.net>2013-03-26 12:27:18 -0400
commitc54419321455631079c7d6e60bc732dd0c5914c5 (patch)
treea0ad703b72313b98e70f4166bcea9a328d09e937 /Documentation
parentnet: Print functions in /proc/net/ptype without the offset. (diff)
GRE: Refactor GRE tunneling code.
Following patch refactors GRE code into ip tunneling code and GRE specific code. Common tunneling code is moved to ip_tunnel module. ip_tunnel module is written as generic library which can be used by different tunneling implementations. ip_tunnel module contains following components: - packet xmit and rcv generic code. xmit flow looks like (gre_xmit/ipip_xmit)->ip_tunnel_xmit->ip_local_out. - hash table of all devices. - lookup for tunnel devices. - control plane operations like device create, destroy, ioctl, netlink operations code. - registration for tunneling modules, like gre, ipip etc. - define single pcpu_tstats dev->tstats. - struct tnl_ptk_info added to pass parsed tunnel packet parameters. ipip.h header is renamed to ip_tunnel.h Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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