On Sun, Nov 02, 2014 at 09:29:28PM -0800, Pravin B Shelar wrote: > Following patch adds support for userspace tunneling. Tunneling > needs three more component first is routing table which is configured by > caching kernel routes and second is ARP cache which build automatically > by snooping arp. And third is tunnel protocol table which list all > listening protocols which is populated by vswitchd as tunnel ports > are added. GRE and VXLAN protocol support is added in this patch. > > Tunneling works as follows: > On packet receive vswitchd check if this packet is targeted to tunnel > port. If it is then vswitchd inserts tunnel pop action which pops > header and sends packet to tunnel port. > On packet xmit rather than generating Set tunnel action it generate > tunnel push action which has tunnel header data. datapath can use > tunnel-push action data to generate header for each packet and > forward this packet to output port. Since tunnel-push action > contains most of packet header vswitchd needs to lookup routing > table and arp table to build this action. > > Signed-off-by: Pravin B Shelar <pshe...@nicira.com> > Acked-by: Jarno Rajahalme <jrajaha...@nicira.com> > --- > Fixed according to comments from Jarno and Ben. > Added test cases. > --- > Makefile.am | 1 + > NEWS | 1 + > README-native-tunneling.md | 82 ++++ > datapath/linux/compat/include/linux/openvswitch.h | 15 + > debian/openvswitch-common.docs | 1 + > lib/automake.mk | 4 + > lib/dpif-netdev.c | 104 +++++- > lib/dpif-netlink.c | 3 +- > lib/dpif-provider.h | 5 +- > lib/dpif.c | 18 +- > lib/dpif.h | 4 +- > lib/netdev-bsd.c | 3 + > lib/netdev-dpdk.c | 3 + > lib/netdev-dummy.c | 68 +++- > lib/netdev-linux.c | 3 + > lib/netdev-provider.h | 9 + > lib/netdev-vport.c | 486 > ++++++++++++++++++++- > lib/netdev.c | 34 ++ > lib/netdev.h | 9 + > lib/odp-execute.c | 2 + > lib/odp-util.c | 243 ++++++++++ > lib/odp-util.h | 2 + > lib/ofpbuf.h | 8 + > lib/ovs-router.c | 4 + > lib/packets.c | 35 ++ > lib/packets.h | 32 ++- > lib/tnl-arp-cache.c | 215 +++++++++ > lib/tnl-arp-cache.h | 40 ++ > lib/tnl-ports.c | 193 ++++++++ > lib/tnl-ports.h | 41 ++ > ofproto/ofproto-dpif-xlate.c | 190 ++++++++- > ofproto/ofproto-dpif.c | 96 ++++- > ofproto/ofproto-dpif.h | 1 + > ofproto/tunnel.c | 73 +++- > ofproto/tunnel.h | 11 +- > rhel/openvswitch.spec.in | 2 +- > tests/automake.mk | 1 + > tests/ofproto-macros.at | 7 + > tests/testsuite.at | 1 + > tests/tunnel-push-pop.at | 66 +++ > tests/tunnel.at | 8 + > 41 files changed, 2063 insertions(+), 61 deletions(-) > create mode 100644 README-native-tunneling.md > create mode 100644 lib/tnl-arp-cache.c > create mode 100644 lib/tnl-arp-cache.h > create mode 100644 lib/tnl-ports.c > create mode 100644 lib/tnl-ports.h > create mode 100644 tests/tunnel-push-pop.at > > diff --git a/Makefile.am b/Makefile.am > index 343dffa..f734af4 100644 > --- a/Makefile.am > +++ b/Makefile.am > @@ -85,6 +85,7 @@ EXTRA_DIST = \ > PORTING.md \ > README.md \ > README-lisp.md \ > + README-native-tunneling.md \ > REPORTING-BUGS.md \ > TODO.md \ > .travis.yml \ > diff --git a/NEWS b/NEWS > index d271188..3128ac4 100644 > --- a/NEWS > +++ b/NEWS > @@ -45,6 +45,7 @@ Post-v2.3.0 > - A simple wrapper script, 'ovs-docker', to integrate OVS with Docker > containers. If and when there is a native integration of Open vSwitch > with Docker, the wrapper script will be retired. > + - Added support for DPDK Tunneling. VXLAN and GRE are supported protocols.
I think the above is misleading since the patch is userspace generic. fbl _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
