On 7/10/20 7:20 PM, Ilya Maximets wrote: > On 6/29/20 3:31 PM, Martin Varghese wrote: >> From: Martin Varghese <martin.vargh...@nokia.com> >> >> There are various L3 encapsulation standards using UDP being discussed to >> leverage the UDP based load balancing capability of different networks. >> MPLSoUDP (__ https://tools.ietf.org/html/rfc7510) is one among them. >> >> The Bareudp tunnel provides a generic L3 encapsulation support for >> tunnelling different L3 protocols like MPLS, IP, NSH etc. inside a UDP >> tunnel. >> >> An example to create bareudp device to tunnel MPLS traffic is >> given >> >> $ ovs-vsctl add-port br_mpls udp_port -- set interface udp_port \ >> type=bareudp options:remote_ip=2.1.1.3 >> options:local_ip=2.1.1.2 \ >> options:payload_type=0x8847 options:dst_port=6635 \ >> options:packet_type="legacy_l3" \ >> ofport_request=$bareudp_egress_port >> >> The bareudp device supports special handling for MPLS & IP as >> they can have multiple ethertypes. MPLS procotcol can have ethertypes >> ETH_P_MPLS_UC (unicast) & ETH_P_MPLS_MC (multicast). IP protocol can have >> ethertypes ETH_P_IP (v4) & ETH_P_IPV6 (v6). >> >> The bareudp device to tunnel L3 traffic with multiple ethertypes >> (MPLS & IP) can be created by passing the L3 protocol name as string in >> the field payload_type. An example to create bareudp device to tunnel >> MPLS unicast & multicast traffic is given below. >> >> $ ovs-vsctl add-port br_mpls udp_port -- set interface >> udp_port \ >> type=bareudp options:remote_ip=2.1.1.3 >> options:local_ip=2.1.1.2 \ >> options:payload_type=mpls options:dst_port=6635 \ >> options:packet_type="legacy_l3" >> >> Signed-off-by: Martin Varghese <martin.vargh...@nokia.com> >> --- >> Changes in v2: >> - Removed vport-bareudp module. >> >> Changes in v3: >> - Added net-next upstream commit id and message to commit message. >> >> Changes in v4: >> - Removed kernel datapath changes. >> >> Changes in v5: >> - Fixed release notes errors. >> - Fixed coding errors in dpif-nelink-rtnl.c. >> >> Changes in v6: >> - Added code to enable rx metadata collection in the kernel device. >> - Added version history. >> >> Documentation/automake.mk | 1 + >> Documentation/faq/bareudp.rst | 62 >> +++++++++++++++++++++++ >> Documentation/faq/index.rst | 1 + >> Documentation/faq/releases.rst | 1 + >> NEWS | 4 ++ >> datapath/linux/compat/include/linux/openvswitch.h | 10 ++++ >> lib/dpif-netlink-rtnl.c | 55 ++++++++++++++++++++ >> lib/dpif-netlink.c | 5 ++ >> lib/netdev-vport.c | 27 +++++++++- >> lib/netdev.h | 1 + >> ofproto/ofproto-dpif-xlate.c | 1 + >> tests/system-layer3-tunnels.at | 47 +++++++++++++++++ >> 12 files changed, 213 insertions(+), 2 deletions(-) >> create mode 100644 Documentation/faq/bareudp.rst >> >> diff --git a/Documentation/automake.mk b/Documentation/automake.mk >> index f85c432..ea3475f 100644 >> --- a/Documentation/automake.mk >> +++ b/Documentation/automake.mk >> @@ -88,6 +88,7 @@ DOC_SOURCE = \ >> Documentation/faq/terminology.rst \ >> Documentation/faq/vlan.rst \ >> Documentation/faq/vxlan.rst \ >> + Documentation/faq/bareudp.rst \ >> Documentation/internals/index.rst \ >> Documentation/internals/authors.rst \ >> Documentation/internals/bugs.rst \ >> diff --git a/Documentation/faq/bareudp.rst b/Documentation/faq/bareudp.rst >> new file mode 100644 >> index 0000000..9266daa >> --- /dev/null >> +++ b/Documentation/faq/bareudp.rst >> @@ -0,0 +1,62 @@ >> +.. >> + Licensed under the Apache License, Version 2.0 (the "License"); you >> may >> + not use this file except in compliance with the License. You may >> obtain >> + a copy of the License at >> + >> + http://www.apache.org/licenses/LICENSE-2.0 >> + >> + Unless required by applicable law or agreed to in writing, software >> + distributed under the License is distributed on an "AS IS" BASIS, >> WITHOUT >> + WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See >> the >> + License for the specific language governing permissions and >> limitations >> + under the License. >> + >> + Convention for heading levels in Open vSwitch documentation: >> + >> + ======= Heading 0 (reserved for the title in a document) >> + ------- Heading 1 >> + ~~~~~~~ Heading 2 >> + +++++++ Heading 3 >> + ''''''' Heading 4 >> + >> + Avoid deeper levels because they do not render well. >> + >> +======= >> +Bareudp >> +======= >> + >> +Q: What is Bareudp? >> + >> + A: There are various L3 encapsulation standards using UDP being >> discussed >> + to leverage the UDP based load balancing capability of different >> + networks. MPLSoUDP (__ https://tools.ietf.org/html/rfc7510) is one >> among >> + them. >> + >> + The Bareudp tunnel provides a generic L3 encapsulation support for >> + tunnelling different L3 protocols like MPLS, IP, NSH etc. inside a >> UDP >> + tunnel. >> + >> + An example to create bareudp device to tunnel MPLS traffic is given >> + below.:: >> + >> + $ ovs-vsctl add-port br_mpls udp_port -- set interface udp_port \ >> + type=bareudp options:remote_ip=2.1.1.3 >> options:local_ip=2.1.1.2 \ >> + options:payload_type=0x8847 options:dst_port=6635 \ >> + options:packet_type="legacy_l3" \ >> + ofport_request=$bareudp_egress_port >> + >> + The bareudp device supports special handling for MPLS & IP as they >> can >> + have multiple ethertypes. >> + MPLS procotcol can have ethertypes ETH_P_MPLS_UC (unicast) & >> + ETH_P_MPLS_MC (multicast). IP protocol can have ethertypes ETH_P_IP >> (v4) >> + & ETH_P_IPV6 (v6). >> + >> + The bareudp device to tunnel L3 traffic with multiple ethertypes >> + (MPLS & IP) can be created by passing the L3 protocol name as string >> in >> + the field payload_type. An example to create bareudp device to tunnel >> + MPLS unicast & multicast traffic is given below.:: >> + >> + $ ovs-vsctl add-port br_mpls udp_port -- set interface >> udp_port \ >> + type=bareudp options:remote_ip=2.1.1.3 >> options:local_ip=2.1.1.2 \ >> + options:payload_type=mpls options:dst_port=6635 \ >> + options:packet_type="legacy_l3" >> diff --git a/Documentation/faq/index.rst b/Documentation/faq/index.rst >> index 334b828..1dd2998 100644 >> --- a/Documentation/faq/index.rst >> +++ b/Documentation/faq/index.rst >> @@ -30,6 +30,7 @@ Open vSwitch FAQ >> .. toctree:: >> :maxdepth: 2 >> >> + bareudp >> configuration >> contributing >> design >> diff --git a/Documentation/faq/releases.rst b/Documentation/faq/releases.rst >> index e5cef39..9915839 100644 >> --- a/Documentation/faq/releases.rst >> +++ b/Documentation/faq/releases.rst >> @@ -136,6 +136,7 @@ Q: Are all features available with all datapaths? >> Tunnel - ERSPAN 4.18 2.10 2.10 NO >> Tunnel - ERSPAN-IPv6 4.18 2.10 2.10 NO >> Tunnel - GTP-U NO NO 2.14 NO >> + Tunnel - Bareudp 5.7 NO 2.14 NO > > There should be NO instead of 2.14, since you're not adding userspace datapath > support. > >> QoS - Policing YES 1.1 2.6 NO >> QoS - Shaping YES 1.1 NO NO >> sFlow YES 1.0 1.0 NO >> diff --git a/NEWS b/NEWS >> index 0116b3e..f5aa840 100644 >> --- a/NEWS >> +++ b/NEWS >> @@ -23,6 +23,10 @@ Post-v2.13.0 >> - Tunnels: TC Flower offload >> * Tunnel Local endpoint address masked match are supported. >> * Tunnel Romte endpoint address masked match are supported. >> + - Bareudp Tunnel >> + * Bareudp device support is present in linux kernel from version 5.7 >> + * Kernel bareudp device is not backported to ovs tree. >> + * Userspace datapath support is not added >> >> >> v2.13.0 - 14 Feb 2020 >> diff --git a/datapath/linux/compat/include/linux/openvswitch.h >> b/datapath/linux/compat/include/linux/openvswitch.h >> index cc41bbe..3073faa 100644 >> --- a/datapath/linux/compat/include/linux/openvswitch.h >> +++ b/datapath/linux/compat/include/linux/openvswitch.h >> @@ -240,6 +240,7 @@ enum ovs_vport_type { >> OVS_VPORT_TYPE_GRE, /* GRE tunnel. */ >> OVS_VPORT_TYPE_VXLAN, /* VXLAN tunnel. */ >> OVS_VPORT_TYPE_GENEVE, /* Geneve tunnel. */ >> + OVS_VPORT_TYPE_BAREUDP, /* Bareudp tunnel. */ > > Since this is not defined in upstream kernel, we should, probably, > make it '= 111' in order to avoid possible future collisions. > >> OVS_VPORT_TYPE_LISP = 105, /* LISP tunnel */ >> OVS_VPORT_TYPE_STT = 106, /* STT tunnel */ >> OVS_VPORT_TYPE_ERSPAN = 107, /* ERSPAN tunnel. */ >> @@ -308,6 +309,15 @@ enum { >> >> #define OVS_VXLAN_EXT_MAX (__OVS_VXLAN_EXT_MAX - 1) >> >> +enum { >> + OVS_BAREUDP_EXT_UNSPEC, >> + OVS_BAREUDP_EXT_MULTIPROTO_MODE, >> + /* place new values here to fill gap. */ > > There is no any gap here. > >> + __OVS_BAREUDP_EXT_MAX, >> +}; >> + >> +#define OVS_BAREUDP_EXT_MAX (__OVS_BAREUDP_EXT_MAX - 1) >> + >> /* OVS_VPORT_ATTR_OPTIONS attributes for tunnels. >> */ >> enum { >> diff --git a/lib/dpif-netlink-rtnl.c b/lib/dpif-netlink-rtnl.c >> index fd157ce..3f6842a 100644 >> --- a/lib/dpif-netlink-rtnl.c >> +++ b/lib/dpif-netlink-rtnl.c >> @@ -58,6 +58,19 @@ VLOG_DEFINE_THIS_MODULE(dpif_netlink_rtnl); >> #define IFLA_GENEVE_UDP_ZERO_CSUM6_RX 10 >> #endif >> >> +#ifndef __IFLA_BAREUDP_MAX >> +#define IFLA_BAREUDP_MAX 0 >> +#endif >> +#if IFLA_BAREUDP_MAX < 4 >> +#define IFLA_BAREUDP_PORT 1 >> +#define IFLA_BAREUDP_ETHERTYPE 2 >> +#define IFLA_BAREUDP_SRCPORT_MIN 3 >> +#define IFLA_BAREUDP_MULTIPROTO_MODE 4 >> +#define IFLA_BAREUDP_RX_COLLECT_METADATA 5 >> +#endif >> + >> +#define BAREUDP_MPLS_SRCPORT_MIN 49153 >> + >> static const struct nl_policy rtlink_policy[] = { >> [IFLA_LINKINFO] = { .type = NL_A_NESTED }, >> }; >> @@ -81,6 +94,10 @@ static const struct nl_policy geneve_policy[] = { >> [IFLA_GENEVE_UDP_ZERO_CSUM6_RX] = { .type = NL_A_U8 }, >> [IFLA_GENEVE_PORT] = { .type = NL_A_U16 }, >> }; >> +static const struct nl_policy bareudp_policy[] = { >> + [IFLA_BAREUDP_PORT] = { .type = NL_A_U16 }, >> + [IFLA_BAREUDP_ETHERTYPE] = { .type = NL_A_U16 }, >> +}; >> >> static const char * >> vport_type_to_kind(enum ovs_vport_type type, >> @@ -113,6 +130,8 @@ vport_type_to_kind(enum ovs_vport_type type, >> } >> case OVS_VPORT_TYPE_GTPU: >> return NULL; >> + case OVS_VPORT_TYPE_BAREUDP: >> + return "bareudp"; >> case OVS_VPORT_TYPE_NETDEV: >> case OVS_VPORT_TYPE_INTERNAL: >> case OVS_VPORT_TYPE_LISP: >> @@ -243,6 +262,24 @@ dpif_netlink_rtnl_geneve_verify(const struct >> netdev_tunnel_config *tnl_cfg, >> >> return err; >> } >> +static int >> +dpif_netlink_rtnl_bareudp_verify(const struct netdev_tunnel_config *tnl_cfg, >> + const char *kind, struct ofpbuf *reply) >> +{ >> + struct nlattr *bareudp[ARRAY_SIZE(bareudp_policy)]; >> + int err; >> + >> + err = rtnl_policy_parse(kind, reply, bareudp_policy, bareudp, >> + ARRAY_SIZE(bareudp_policy)); >> + if (!err) { >> + if ((tnl_cfg->dst_port != >> nl_attr_get_be16(bareudp[IFLA_BAREUDP_PORT])) >> + || (tnl_cfg->payload_ethertype >> + != nl_attr_get_be16(bareudp[IFLA_BAREUDP_ETHERTYPE]))) { >> + err = EINVAL; >> + } >> + } >> + return err; >> +} >> >> static int >> dpif_netlink_rtnl_verify(const struct netdev_tunnel_config *tnl_cfg, >> @@ -275,6 +312,9 @@ dpif_netlink_rtnl_verify(const struct >> netdev_tunnel_config *tnl_cfg, >> case OVS_VPORT_TYPE_GENEVE: >> err = dpif_netlink_rtnl_geneve_verify(tnl_cfg, kind, reply); >> break; >> + case OVS_VPORT_TYPE_BAREUDP: >> + err = dpif_netlink_rtnl_bareudp_verify(tnl_cfg, kind, reply); >> + break; >> case OVS_VPORT_TYPE_NETDEV: >> case OVS_VPORT_TYPE_INTERNAL: >> case OVS_VPORT_TYPE_LISP: >> @@ -357,6 +397,20 @@ dpif_netlink_rtnl_create(const struct >> netdev_tunnel_config *tnl_cfg, >> nl_msg_put_u8(&request, IFLA_GENEVE_UDP_ZERO_CSUM6_RX, 1); >> nl_msg_put_be16(&request, IFLA_GENEVE_PORT, tnl_cfg->dst_port); >> break; >> + case OVS_VPORT_TYPE_BAREUDP: >> + nl_msg_put_be16(&request, IFLA_BAREUDP_ETHERTYPE, >> + tnl_cfg->payload_ethertype); >> + if ((tnl_cfg->payload_ethertype == htons(ETH_TYPE_MPLS)) || >> + (tnl_cfg->payload_ethertype == htons(ETH_TYPE_MPLS_MCAST))) { >> + nl_msg_put_u16(&request, IFLA_BAREUDP_SRCPORT_MIN, >> + BAREUDP_MPLS_SRCPORT_MIN); >> + } >> + nl_msg_put_be16(&request, IFLA_BAREUDP_PORT, tnl_cfg->dst_port); >> + if (tnl_cfg->exts & (1 << OVS_BAREUDP_EXT_MULTIPROTO_MODE)) { >> + nl_msg_put_flag(&request, IFLA_BAREUDP_MULTIPROTO_MODE); >> + } >> + nl_msg_put_flag(&request, IFLA_BAREUDP_RX_COLLECT_METADATA); >> + break; >> case OVS_VPORT_TYPE_NETDEV: >> case OVS_VPORT_TYPE_INTERNAL: >> case OVS_VPORT_TYPE_LISP: >> @@ -470,6 +524,7 @@ dpif_netlink_rtnl_port_destroy(const char *name, const >> char *type) >> case OVS_VPORT_TYPE_ERSPAN: >> case OVS_VPORT_TYPE_IP6ERSPAN: >> case OVS_VPORT_TYPE_IP6GRE: >> + case OVS_VPORT_TYPE_BAREUDP: >> return dpif_netlink_rtnl_destroy(name); >> case OVS_VPORT_TYPE_NETDEV: >> case OVS_VPORT_TYPE_INTERNAL: >> diff --git a/lib/dpif-netlink.c b/lib/dpif-netlink.c >> index 18322e8..2ad0e64 100644 >> --- a/lib/dpif-netlink.c >> +++ b/lib/dpif-netlink.c >> @@ -749,6 +749,9 @@ get_vport_type(const struct dpif_netlink_vport *vport) >> case OVS_VPORT_TYPE_GTPU: >> return "gtpu"; >> >> + case OVS_VPORT_TYPE_BAREUDP: >> + return "bareudp"; >> + >> case OVS_VPORT_TYPE_UNSPEC: >> case __OVS_VPORT_TYPE_MAX: >> break; >> @@ -784,6 +787,8 @@ netdev_to_ovs_vport_type(const char *type) >> return OVS_VPORT_TYPE_GRE; >> } else if (!strcmp(type, "gtpu")) { >> return OVS_VPORT_TYPE_GTPU; >> + } else if (!strcmp(type, "bareudp")) { >> + return OVS_VPORT_TYPE_BAREUDP; >> } else { >> return OVS_VPORT_TYPE_UNSPEC; >> } >> diff --git a/lib/netdev-vport.c b/lib/netdev-vport.c >> index 0252b61..c86d420 100644 >> --- a/lib/netdev-vport.c >> +++ b/lib/netdev-vport.c >> @@ -112,7 +112,7 @@ netdev_vport_needs_dst_port(const struct netdev *dev) >> return (class->get_config == get_tunnel_config && >> (!strcmp("geneve", type) || !strcmp("vxlan", type) || >> !strcmp("lisp", type) || !strcmp("stt", type) || >> - !strcmp("gtpu", type))); >> + !strcmp("gtpu", type) || !strcmp("bareudp",type))); >> } >> >> const char * >> @@ -219,6 +219,8 @@ netdev_vport_construct(struct netdev *netdev_) >> dev->tnl_cfg.dst_port = port ? htons(port) : htons(STT_DST_PORT); >> } else if (!strcmp(type, "gtpu")) { >> dev->tnl_cfg.dst_port = port ? htons(port) : htons(GTPU_DST_PORT); >> + } else if (!strcmp(type, "bareudp")) { >> + dev->tnl_cfg.dst_port = htons(port); >> } >> >> dev->tnl_cfg.dont_fragment = true; >> @@ -438,6 +440,8 @@ tunnel_supported_layers(const char *type, >> return TNL_L2 | TNL_L3; >> } else if (!strcmp(type, "gtpu")) { >> return TNL_L3; >> + } else if (!strcmp(type, "bareudp")) { >> + return TNL_L3; >> } else { >> return TNL_L2; >> } >> @@ -745,6 +749,16 @@ set_tunnel_config(struct netdev *dev_, const struct >> smap *args, char **errp) >> goto out; >> } >> } >> + } else if (!strcmp(node->key, "payload_type")) { >> + if (strcmp(node->key, "mpls")) { >> + tnl_cfg.payload_ethertype = htons(ETH_TYPE_MPLS); >> + tnl_cfg.exts |= (1 << OVS_BAREUDP_EXT_MULTIPROTO_MODE); >> + } else if ((strcmp(node->key, "ip"))) { >> + tnl_cfg.payload_ethertype = htons(ETH_TYPE_IP); >> + tnl_cfg.exts |= (1 << OVS_BAREUDP_EXT_MULTIPROTO_MODE); >> + } else { >> + tnl_cfg.payload_ethertype = htons(atoi(node->value)); >> + } >> } else { >> ds_put_format(&errors, "%s: unknown %s argument '%s'\n", name, >> type, node->key); >> @@ -917,7 +931,8 @@ get_tunnel_config(const struct netdev *dev, struct smap >> *args) >> (!strcmp("vxlan", type) && dst_port != VXLAN_DST_PORT) || >> (!strcmp("lisp", type) && dst_port != LISP_DST_PORT) || >> (!strcmp("stt", type) && dst_port != STT_DST_PORT) || >> - (!strcmp("gtpu", type) && dst_port != GTPU_DST_PORT)) { >> + (!strcmp("gtpu", type) && dst_port != GTPU_DST_PORT) || >> + !strcmp("bareudp", type)) { >> smap_add_format(args, "dst_port", "%d", dst_port); >> } >> } >> @@ -1243,6 +1258,14 @@ netdev_vport_tunnel_register(void) >> }, >> {{NULL, NULL, 0, 0}} >> }, >> + { "udp_sys", >> + { >> + TUNNEL_FUNCTIONS_COMMON, >> + .type = "bareudp", >> + .get_ifindex = NETDEV_VPORT_GET_IFINDEX, >> + }, >> + {{NULL, NULL, 0, 0}} >> + }, >> >> }; >> static struct ovsthread_once once = OVSTHREAD_ONCE_INITIALIZER; >> diff --git a/lib/netdev.h b/lib/netdev.h >> index fdbe0e1..f15bca5 100644 >> --- a/lib/netdev.h >> +++ b/lib/netdev.h >> @@ -107,6 +107,7 @@ struct netdev_tunnel_config { >> bool out_key_flow; >> ovs_be64 out_key; >> >> + ovs_be16 payload_ethertype; >> ovs_be16 dst_port; >> >> bool ip_src_flow; >> diff --git a/ofproto/ofproto-dpif-xlate.c b/ofproto/ofproto-dpif-xlate.c >> index e0ede2c..6e07960 100644 >> --- a/ofproto/ofproto-dpif-xlate.c >> +++ b/ofproto/ofproto-dpif-xlate.c >> @@ -3573,6 +3573,7 @@ propagate_tunnel_data_to_flow(struct xlate_ctx *ctx, >> struct eth_addr dmac, >> case OVS_VPORT_TYPE_VXLAN: >> case OVS_VPORT_TYPE_GENEVE: >> case OVS_VPORT_TYPE_GTPU: >> + case OVS_VPORT_TYPE_BAREUDP: >> nw_proto = IPPROTO_UDP; >> break; >> case OVS_VPORT_TYPE_LISP: >> diff --git a/tests/system-layer3-tunnels.at b/tests/system-layer3-tunnels.at >> index 1232964..5d9ea93 100644 >> --- a/tests/system-layer3-tunnels.at >> +++ b/tests/system-layer3-tunnels.at >> @@ -152,3 +152,50 @@ AT_CHECK([tail -1 stdout], [0], >> >> OVS_VSWITCHD_STOP >> AT_CLEANUP >> + >> +AT_SETUP([layer3 - ping over MPLS Bareudp])
I do not see any checks that bareudp is supported in kernel. And I suspect that test will just fail on any system with older kernel. But we should skip the test instead of failing. >> +OVS_TRAFFIC_VSWITCHD_START([_ADD_BR([br1])]) >> +ADD_NAMESPACES(at_ns0, at_ns1) >> + >> +ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24", "36:b1:ee:7c:01:01") >> +ADD_VETH(p1, at_ns1, br1, "10.1.1.2/24", "36:b1:ee:7c:01:02") >> + >> +ADD_OVS_TUNNEL([bareudp], [br0], [at_bareudp0], [8.1.1.3], [8.1.1.2/24], >> + [ options:local_ip=8.1.1.2 options:packet_type="legacy_l3" >> options:payload_type=mpls options:dst_port=6635]) >> + >> +ADD_OVS_TUNNEL([bareudp], [br1], [at_bareudp1], [8.1.1.2], [8.1.1.3/24], >> + [options:local_ip=8.1.1.3 options:packet_type="legacy_l3" >> options:payload_type=mpls options:dst_port=6635]) >> + >> +AT_DATA([flows0.txt], [dnl >> +table=0,priority=100,dl_type=0x0800 >> actions=push_mpls:0x8847,set_mpls_label:3,output:at_bareudp0 >> +table=0,priority=100,dl_type=0x8847 in_port=at_bareudp0 >> actions=pop_mpls:0x0800,set_field:36:b1:ee:7c:01:01->dl_dst,set_field:36:b1:ee:7c:01:02->dl_src,output:ovs-p0 >> +table=0,priority=10 actions=normal >> +]) >> + >> +AT_DATA([flows1.txt], [dnl >> +table=0,priority=100,dl_type=0x0800 >> actions=push_mpls:0x8847,set_mpls_label:3,output:at_bareudp1 >> +table=0,priority=100,dl_type=0x8847 in_port=at_bareudp1 >> actions=pop_mpls:0x0800,set_field:36:b1:ee:7c:01:02->dl_dst,set_field:36:b1:ee:7c:01:01->dl_src,output:ovs-p1 >> +table=0,priority=10 actions=normal >> +]) >> + >> +AT_CHECK([ip link add patch0 type veth peer name patch1]) >> +on_exit 'ip link del patch0' >> + >> +AT_CHECK([ip link set dev patch0 up]) >> +AT_CHECK([ip link set dev patch1 up]) >> +AT_CHECK([ovs-vsctl add-port br0 patch0]) >> +AT_CHECK([ovs-vsctl add-port br1 patch1]) >> + >> + >> +AT_CHECK([ovs-ofctl -O OpenFlow13 add-flows br0 flows0.txt]) >> +AT_CHECK([ovs-ofctl -O OpenFlow13 add-flows br1 flows1.txt]) >> + >> +NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], >> [0], [dnl >> +3 packets transmitted, 3 received, 0% packet loss, time 0ms >> +]) >> + >> +NS_CHECK_EXEC([at_ns1], [ping -q -c 3 -i 0.3 -w 2 10.1.1.1 | FORMAT_PING], >> [0], [dnl >> +3 packets transmitted, 3 received, 0% packet loss, time 0ms >> +]) >> +OVS_TRAFFIC_VSWITCHD_STOP >> +AT_CLEANUP >> > _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev