On Wed, Nov 5, 2014 at 5:59 AM, Flavio Leitner <f...@redhat.com> wrote: > 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. >
This work is implemented as generic tunnel work but will be used mostly over DPDK. Since NEWS is targeted for users I explicitly mentioned the main usecase. Anyways I will update it to mention it is generic mechanism. _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
