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GET /api/patches/1526189/?format=api
{ "id": 1526189, "url": "http://patchwork.ozlabs.org/api/patches/1526189/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ovn/patch/3ee28b22a6379522182d1b3e00edf5854b44e4a5.1631191707.git.lorenzo.bianconi@redhat.com/", "project": { "id": 68, "url": "http://patchwork.ozlabs.org/api/projects/68/?format=api", "name": "Open Virtual Network development", "link_name": "ovn", "list_id": "ovs-dev.openvswitch.org", "list_email": "ovs-dev@openvswitch.org", "web_url": "http://openvswitch.org/", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<3ee28b22a6379522182d1b3e00edf5854b44e4a5.1631191707.git.lorenzo.bianconi@redhat.com>", "list_archive_url": null, "date": "2021-09-09T12:50:24", "name": "[ovs-dev,v3] northd: reduce number of nd_na lb logical flows", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "98bed6f70372fc7fbe7f506c995178e8039894d8", "submitter": { "id": 73083, "url": "http://patchwork.ozlabs.org/api/people/73083/?format=api", "name": "Lorenzo Bianconi", "email": "lorenzo.bianconi@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/ovn/patch/3ee28b22a6379522182d1b3e00edf5854b44e4a5.1631191707.git.lorenzo.bianconi@redhat.com/mbox/", "series": [ { "id": 261606, "url": "http://patchwork.ozlabs.org/api/series/261606/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ovn/list/?series=261606", "date": "2021-09-09T12:50:24", "name": "[ovs-dev,v3] northd: reduce number of nd_na lb logical flows", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/261606/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/1526189/comments/", "check": "fail", "checks": "http://patchwork.ozlabs.org/api/patches/1526189/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<ovs-dev-bounces@openvswitch.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "ovs-dev@openvswitch.org" ], "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "ovs-dev@lists.linuxfoundation.org" ], "Authentication-Results": [ "ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=akkwNNM6;\n\tdkim-atps=neutral", "ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=openvswitch.org\n (client-ip=2605:bc80:3010::136; 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charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "ovs-dev-bounces@openvswitch.org", "Sender": "\"dev\" <ovs-dev-bounces@openvswitch.org>" }, "content": "As it has been already done for IPv4, collapse IPv6 Neighbour\nAdvertisment flows for load balancer using address list and\nreduce the number of logical flows from N*M to N where N is\nthe number of logical router port and M is the number of\nVirtual IPs.\n\nhttps://bugzilla.redhat.com/show_bug.cgi?id=1970258\nSigned-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>\n---\nChanges since v2:\n- remove open code and run build_lrouter_nd_flow() instead\n\nChanges since v1:\n- rebase on top of ovn master\n- add DDlog support\n---\n northd/ovn-northd.c | 25 ++++++++++-------\n northd/ovn_northd.dl | 66 ++++++++++++++++++++++++++++++++------------\n tests/ovn-northd.at | 36 ++++++++----------------\n 3 files changed, 75 insertions(+), 52 deletions(-)", "diff": "diff --git a/northd/ovn-northd.c b/northd/ovn-northd.c\nindex ee761cef0..fc623bcbe 100644\n--- a/northd/ovn-northd.c\n+++ b/northd/ovn-northd.c\n@@ -9851,8 +9851,7 @@ build_lrouter_nd_flow(struct ovn_datapath *od, struct ovn_port *op,\n ds_put_format(&actions,\n \"%s { \"\n \"eth.src = %s; \"\n- \"ip6.src = %s; \"\n- \"nd.target = %s; \"\n+ \"ip6.src = nd.target; \"\n \"nd.tll = %s; \"\n \"outport = inport; \"\n \"flags.loopback = 1; \"\n@@ -9860,8 +9859,6 @@ build_lrouter_nd_flow(struct ovn_datapath *od, struct ovn_port *op,\n \"};\",\n action,\n eth_addr,\n- ip_address,\n- ip_address,\n eth_addr);\n ovn_lflow_add_with_hint__(lflows, od, S_ROUTER_IN_IP_INPUT, priority,\n ds_cstr(&match), ds_cstr(&actions), NULL,\n@@ -11899,7 +11896,6 @@ build_lrouter_ipv4_ip_input(struct ovn_port *op,\n &op->nbrp->header_, lflows);\n }\n \n- const char *ip_address;\n if (sset_count(&op->od->lb_ips_v4)) {\n ds_clear(match);\n if (is_l3dgw_port(op)) {\n@@ -11920,17 +11916,26 @@ build_lrouter_ipv4_ip_input(struct ovn_port *op,\n ds_destroy(&load_balancer_ips_v4);\n }\n \n- SSET_FOR_EACH (ip_address, &op->od->lb_ips_v6) {\n+ if (sset_count(&op->od->lb_ips_v6)) {\n ds_clear(match);\n+ ds_clear(actions);\n+\n+ struct ds load_balancer_ips_v6 = DS_EMPTY_INITIALIZER;\n+\n+ ds_put_cstr(&load_balancer_ips_v6, \"{ \");\n+ ds_put_and_free_cstr(&load_balancer_ips_v6,\n+ sset_join(&op->od->lb_ips_v6, \", \", \" }\"));\n+\n if (is_l3dgw_port(op)) {\n ds_put_format(match, \"is_chassis_resident(%s)\",\n op->cr_port->json_key);\n }\n-\n build_lrouter_nd_flow(op->od, op, \"nd_na\",\n- ip_address, NULL, REG_INPORT_ETH_ADDR,\n- match, false, 90, NULL,\n- lflows, meter_groups);\n+ ds_cstr(&load_balancer_ips_v6), NULL,\n+ REG_INPORT_ETH_ADDR, match, false, 90,\n+ NULL, lflows, meter_groups);\n+\n+ ds_destroy(&load_balancer_ips_v6);\n }\n \n if (!op->od->is_gw_router && !op->od->n_l3dgw_ports) {\ndiff --git a/northd/ovn_northd.dl b/northd/ovn_northd.dl\nindex ff92c989c..d91f8111f 100644\n--- a/northd/ovn_northd.dl\n+++ b/northd/ovn_northd.dl\n@@ -5537,6 +5537,44 @@ LogicalRouterNdFlow(router, lrp, \"nd_na\", ipv6, true, mac, extra_match, drop, pr\n LogicalRouterArpNdFlow(router, nat@NAT{.external_ip = IPv6{ipv6}}, lrp,\n mac, extra_match, drop, priority).\n \n+relation LogicalRouterNdFlowLB(\n+ lr: Intern<Router>,\n+ lrp: Option<Intern<nb::Logical_Router_Port>>,\n+ ip: string,\n+ mac: string,\n+ extra_match: Option<string>,\n+ stage_hint: bit<32>)\n+Flow(.logical_datapath = lr._uuid,\n+ .stage = s_ROUTER_IN_IP_INPUT(),\n+ .priority = 90,\n+ .__match = __match.intern(),\n+ .actions = actions,\n+ .stage_hint = stage_hint,\n+ .io_port = None,\n+ .controller_meter = lr.copp.get(cOPP_ND_NA())) :-\n+ LogicalRouterNdFlowLB(.lr = lr, .lrp = lrp, .ip = ip,\n+ .mac = mac, .extra_match = extra_match,\n+ .stage_hint = stage_hint),\n+ var __match = {\n+ var clauses = vec_with_capacity(4);\n+ match (lrp) {\n+ Some{p} -> clauses.push(\"inport == ${json_string_escape(p.name)}\"),\n+ None -> ()\n+ };\n+ clauses.push(\"nd_ns && nd.target == ${ip}\");\n+ clauses.append(extra_match.to_vec());\n+ clauses.join(\" && \")\n+ },\n+ var actions =\n+ i\"nd_na { \"\n+ \"eth.src = ${mac}; \"\n+ \"ip6.src = nd.target; \"\n+ \"nd.tll = ${mac}; \"\n+ \"outport = inport; \"\n+ \"flags.loopback = 1; \"\n+ \"output; \"\n+ \"};\".\n+\n relation LogicalRouterArpFlow(\n lr: Intern<Router>,\n lrp: Option<Intern<nb::Logical_Router_Port>>,\n@@ -5622,8 +5660,7 @@ Flow(.logical_datapath = lr._uuid,\n } else {\n (i\"${action} { \"\n \"eth.src = ${mac}; \"\n- \"ip6.src = ${ip}; \"\n- \"nd.target = ${ip}; \"\n+ \"ip6.src = nd.target; \"\n \"nd.tll = ${mac}; \"\n \"outport = inport; \"\n \"flags.loopback = 1; \"\n@@ -5693,7 +5730,7 @@ var residence_check = match (is_redirect) {\n true -> Some{\"is_chassis_resident(${json_string_escape(chassis_redirect_name(lrp.name))})\"},\n false -> None\n } in {\n- (var all_ips_v4, _) = get_router_load_balancer_ips(router, false) in {\n+ (var all_ips_v4, var all_ips_v6) = get_router_load_balancer_ips(router, false) in {\n if (not all_ips_v4.is_empty()) {\n LogicalRouterArpFlow(.lr = router,\n .lrp = Some{lrp},\n@@ -5703,21 +5740,14 @@ var residence_check = match (is_redirect) {\n .drop = false,\n .priority = 90,\n .stage_hint = 0)\n- }\n- };\n- for (RouterLBVIP(.router = &Router{._uuid= lr_uuid}, .vip = vip)) {\n- Some{(var ip_address, _)} = ip_address_and_port_from_lb_key(vip) in {\n- IPv6{var ipv6} = ip_address in\n- LogicalRouterNdFlow(.lr = router,\n- .lrp = Some{lrp},\n- .action = \"nd_na\",\n- .ip = ipv6,\n- .sn_ip = false,\n- .mac = rEG_INPORT_ETH_ADDR(),\n- .extra_match = residence_check,\n- .drop = false,\n- .priority = 90,\n- .stage_hint = 0)\n+ };\n+ if (not all_ips_v6.is_empty()) {\n+ LogicalRouterNdFlowLB(.lr = router,\n+ .lrp = Some{lrp},\n+ .ip = \"{ \" ++ all_ips_v6.join(\", \") ++ \" }\",\n+ .mac = rEG_INPORT_ETH_ADDR(),\n+ .extra_match = residence_check,\n+ .stage_hint = 0)\n }\n }\n }\ndiff --git a/tests/ovn-northd.at b/tests/ovn-northd.at\nindex 11886b94e..8200eb655 100644\n--- a/tests/ovn-northd.at\n+++ b/tests/ovn-northd.at\n@@ -1707,13 +1707,10 @@ match=(inport == \"lrp\" && arp.op == 1 && arp.tpa == { 192.168.2.1, 192.168.2.4,\n action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1; output;)\n table=3 (lr_in_ip_input ), priority=90 , dnl\n match=(inport == \"lrp\" && ip6.dst == {fe80::200:ff:fe00:1, ff02::1:ff00:1} && nd_ns && nd.target == fe80::200:ff:fe00:1), dnl\n-action=(nd_na_router { eth.src = xreg0[[0..47]]; ip6.src = fe80::200:ff:fe00:1; nd.target = fe80::200:ff:fe00:1; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)\n+action=(nd_na_router { eth.src = xreg0[[0..47]]; ip6.src = nd.target; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)\n table=3 (lr_in_ip_input ), priority=90 , dnl\n-match=(inport == \"lrp\" && nd_ns && nd.target == fe80::200:ff:fe00:101:8080), dnl\n-action=(nd_na { eth.src = xreg0[[0..47]]; ip6.src = fe80::200:ff:fe00:101:8080; nd.target = fe80::200:ff:fe00:101:8080; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)\n- table=3 (lr_in_ip_input ), priority=90 , dnl\n-match=(inport == \"lrp\" && nd_ns && nd.target == fe80::200:ff:fe00:102:8080), dnl\n-action=(nd_na { eth.src = xreg0[[0..47]]; ip6.src = fe80::200:ff:fe00:102:8080; nd.target = fe80::200:ff:fe00:102:8080; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)\n+match=(inport == \"lrp\" && nd_ns && nd.target == { fe80::200:ff:fe00:101:8080, fe80::200:ff:fe00:102:8080 }), dnl\n+action=(nd_na { eth.src = xreg0[[0..47]]; ip6.src = nd.target; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)\n table=3 (lr_in_ip_input ), priority=90 , dnl\n match=(inport == \"lrp-public\" && arp.op == 1 && arp.tpa == 43.43.43.1 && arp.spa == 43.43.43.0/24), dnl\n action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1; output;)\n@@ -1722,13 +1719,10 @@ match=(inport == \"lrp-public\" && arp.op == 1 && arp.tpa == { 192.168.2.1, 192.16\n action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1; output;)\n table=3 (lr_in_ip_input ), priority=90 , dnl\n match=(inport == \"lrp-public\" && ip6.dst == {fe80::200:ff:fe00:100, ff02::1:ff00:100} && nd_ns && nd.target == fe80::200:ff:fe00:100), dnl\n-action=(nd_na_router { eth.src = xreg0[[0..47]]; ip6.src = fe80::200:ff:fe00:100; nd.target = fe80::200:ff:fe00:100; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)\n- table=3 (lr_in_ip_input ), priority=90 , dnl\n-match=(inport == \"lrp-public\" && nd_ns && nd.target == fe80::200:ff:fe00:101:8080), dnl\n-action=(nd_na { eth.src = xreg0[[0..47]]; ip6.src = fe80::200:ff:fe00:101:8080; nd.target = fe80::200:ff:fe00:101:8080; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)\n+action=(nd_na_router { eth.src = xreg0[[0..47]]; ip6.src = nd.target; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)\n table=3 (lr_in_ip_input ), priority=90 , dnl\n-match=(inport == \"lrp-public\" && nd_ns && nd.target == fe80::200:ff:fe00:102:8080), dnl\n-action=(nd_na { eth.src = xreg0[[0..47]]; ip6.src = fe80::200:ff:fe00:102:8080; nd.target = fe80::200:ff:fe00:102:8080; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)\n+match=(inport == \"lrp-public\" && nd_ns && nd.target == { fe80::200:ff:fe00:101:8080, fe80::200:ff:fe00:102:8080 }), dnl\n+action=(nd_na { eth.src = xreg0[[0..47]]; ip6.src = nd.target; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)\n ])\n \n # xreg0[0..47] isn't used anywhere else.\n@@ -1782,13 +1776,10 @@ match=(inport == \"lrp\" && arp.op == 1 && arp.tpa == { 192.168.2.1, 192.168.2.4,\n action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1; output;)\n table=3 (lr_in_ip_input ), priority=90 , dnl\n match=(inport == \"lrp\" && ip6.dst == {fe80::200:ff:fe00:1, ff02::1:ff00:1} && nd_ns && nd.target == fe80::200:ff:fe00:1), dnl\n-action=(nd_na_router { eth.src = xreg0[[0..47]]; ip6.src = fe80::200:ff:fe00:1; nd.target = fe80::200:ff:fe00:1; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)\n+action=(nd_na_router { eth.src = xreg0[[0..47]]; ip6.src = nd.target; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)\n table=3 (lr_in_ip_input ), priority=90 , dnl\n-match=(inport == \"lrp\" && nd_ns && nd.target == fe80::200:ff:fe00:101:8080), dnl\n-action=(nd_na { eth.src = xreg0[[0..47]]; ip6.src = fe80::200:ff:fe00:101:8080; nd.target = fe80::200:ff:fe00:101:8080; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)\n- table=3 (lr_in_ip_input ), priority=90 , dnl\n-match=(inport == \"lrp\" && nd_ns && nd.target == fe80::200:ff:fe00:102:8080), dnl\n-action=(nd_na { eth.src = xreg0[[0..47]]; ip6.src = fe80::200:ff:fe00:102:8080; nd.target = fe80::200:ff:fe00:102:8080; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)\n+match=(inport == \"lrp\" && nd_ns && nd.target == { fe80::200:ff:fe00:101:8080, fe80::200:ff:fe00:102:8080 }), dnl\n+action=(nd_na { eth.src = xreg0[[0..47]]; ip6.src = nd.target; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)\n table=3 (lr_in_ip_input ), priority=90 , dnl\n match=(inport == \"lrp-public\" && arp.op == 1 && arp.tpa == 43.43.43.1 && arp.spa == 43.43.43.0/24), dnl\n action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1; output;)\n@@ -1797,13 +1788,10 @@ match=(inport == \"lrp-public\" && arp.op == 1 && arp.tpa == { 192.168.2.1, 192.16\n action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1; output;)\n table=3 (lr_in_ip_input ), priority=90 , dnl\n match=(inport == \"lrp-public\" && ip6.dst == {fe80::200:ff:fe00:100, ff02::1:ff00:100} && nd_ns && nd.target == fe80::200:ff:fe00:100 && is_chassis_resident(\"cr-lrp-public\")), dnl\n-action=(nd_na_router { eth.src = xreg0[[0..47]]; ip6.src = fe80::200:ff:fe00:100; nd.target = fe80::200:ff:fe00:100; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)\n- table=3 (lr_in_ip_input ), priority=90 , dnl\n-match=(inport == \"lrp-public\" && nd_ns && nd.target == fe80::200:ff:fe00:101:8080 && is_chassis_resident(\"cr-lrp-public\")), dnl\n-action=(nd_na { eth.src = xreg0[[0..47]]; ip6.src = fe80::200:ff:fe00:101:8080; nd.target = fe80::200:ff:fe00:101:8080; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)\n+action=(nd_na_router { eth.src = xreg0[[0..47]]; ip6.src = nd.target; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)\n table=3 (lr_in_ip_input ), priority=90 , dnl\n-match=(inport == \"lrp-public\" && nd_ns && nd.target == fe80::200:ff:fe00:102:8080 && is_chassis_resident(\"cr-lrp-public\")), dnl\n-action=(nd_na { eth.src = xreg0[[0..47]]; ip6.src = fe80::200:ff:fe00:102:8080; nd.target = fe80::200:ff:fe00:102:8080; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)\n+match=(inport == \"lrp-public\" && nd_ns && nd.target == { fe80::200:ff:fe00:101:8080, fe80::200:ff:fe00:102:8080 } && is_chassis_resident(\"cr-lrp-public\")), dnl\n+action=(nd_na { eth.src = xreg0[[0..47]]; ip6.src = nd.target; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)\n ])\n \n # Priority 91 drop flows (per distributed gw port), if port is not resident.\n", "prefixes": [ "ovs-dev", "v3" ] }