From patchwork Fri Jun 11 14:31:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 1490986 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=openvswitch.org (client-ip=2605:bc80:3010::137; helo=smtp4.osuosl.org; envelope-from=ovs-dev-bounces@openvswitch.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=YmrF/upG; dkim-atps=neutral Received: from smtp4.osuosl.org (smtp4.osuosl.org [IPv6:2605:bc80:3010::137]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4G1jwr3rssz9sVb for ; Sat, 12 Jun 2021 00:32:28 +1000 (AEST) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 90C49415CF; Fri, 11 Jun 2021 14:32:25 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id p2AupHYzBsze; Fri, 11 Jun 2021 14:32:22 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp4.osuosl.org (Postfix) with ESMTPS id 351F441583; Fri, 11 Jun 2021 14:32:21 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id CA0F0C002E; Fri, 11 Jun 2021 14:32:18 +0000 (UTC) X-Original-To: ovs-dev@openvswitch.org Delivered-To: ovs-dev@lists.linuxfoundation.org Received: from smtp2.osuosl.org (smtp2.osuosl.org [IPv6:2605:bc80:3010::133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 200F6C000F for ; Fri, 11 Jun 2021 14:32:17 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 93DEE404E8 for ; Fri, 11 Jun 2021 14:32:16 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp2.osuosl.org (amavisd-new); dkim=pass (1024-bit key) header.d=redhat.com Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wVTHIIO2UVPq for ; Fri, 11 Jun 2021 14:32:15 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by smtp2.osuosl.org (Postfix) with ESMTPS id 6221C40259 for ; Fri, 11 Jun 2021 14:32:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1623421934; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=iRbx94OZrl22e4vVMU38Hjoum/9l6yJtaJngAsa2SDY=; b=YmrF/upGqEpQFOqxcna/lxtWit86stghh3Yti+sTyJ5JoLO/vujoJt3laNclDDo/SDBRxX QteZwqS7iYW2cJcRMgHwGABPjhf1oBWkmwb467xUb8pljMj2i5CvmXFojfi8Xqs/x8BZRc sdbn0efOfYBN/3XxSBL2DwVozM3szjY= Received: from mail-ej1-f72.google.com (mail-ej1-f72.google.com [209.85.218.72]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-410-t94uU7SoO1iWUZAu6tI5Pw-1; Fri, 11 Jun 2021 10:32:08 -0400 X-MC-Unique: t94uU7SoO1iWUZAu6tI5Pw-1 Received: by mail-ej1-f72.google.com with SMTP id nd10-20020a170907628ab02903a324b229bfso1238202ejc.7 for ; Fri, 11 Jun 2021 07:32:08 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=iRbx94OZrl22e4vVMU38Hjoum/9l6yJtaJngAsa2SDY=; b=Yr3jqjGQy84ZLuAjKz6u3hHiPovw8ocd26iFA/aAMFDmQTMrE2x+zBS4uZq+ZdOpJ9 T6iQdj8G1xuL3VBH1MEf9G/+2TzmPiFba6YwxbLWe9au/vD7+Ymdxtmc88FEm21NIEU9 NZ20jJTGGwkHErQLX0OIZVEEpv48fq3iasJwRvmHqlvQ/miZPZgOsT8rERoFwiV1qZzl up8A/p5tkV4Tf8C5YIE1Q0U0/w3jsWEI03OdCY67hYscZbBUkUv0l3LFj8ifMfrmNDeG k+eWIFHULTbU3r4C9hFSKNo77hhh9TU9iw8zvvZV5EVG2sQg5dUr7cS8z0hwCg7XFsH6 Ty3w== X-Gm-Message-State: AOAM533mh5Hpaucy2XCNVkZedKmL0mwMxXMqk0JzJQ6CODEseN60IDqK TYSUWw3L/bKxR1BCeptTBk4Ds/k1mPJBNgJZynfJ0ut+c/8WWvkb78QYWgS288LTJqK4T+ve66y f9dNFElkA6pTf5Yp0zvkRE533+Yad6yBZ1YhWdM56AhrNH9jmjbtP9Jk07jPL+R7hNmwe9QQSSQ 7S9rLL X-Received: by 2002:a17:906:509:: with SMTP id j9mr3878805eja.149.1623421926506; Fri, 11 Jun 2021 07:32:06 -0700 (PDT) X-Google-Smtp-Source: ABdhPJy0u0L9Do5MvZA1elZ2yp39hG6b2fwCzuHZNbG7TaABWIdhVyT1jzaVXpsIfJl6q2k7YxiucQ== X-Received: by 2002:a17:906:509:: with SMTP id j9mr3878763eja.149.1623421926112; Fri, 11 Jun 2021 07:32:06 -0700 (PDT) Received: from lore-desk.redhat.com (net-47-53-237-43.cust.vodafonedsl.it. [47.53.237.43]) by smtp.gmail.com with ESMTPSA id d5sm2721586edt.49.2021.06.11.07.32.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Jun 2021 07:32:05 -0700 (PDT) From: Lorenzo Bianconi To: ovs-dev@openvswitch.org Date: Fri, 11 Jun 2021 16:31:55 +0200 Message-Id: <42a54f0abac560ad8a20991a05b30c5e0cdecc97.1623420545.git.lorenzo.bianconi@redhat.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: References: MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=lorenzo.bianconi@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Subject: [ovs-dev] [PATCH v3 3/3] northd: add check_pkt_larger lflows for ingress traffic X-BeenThere: ovs-dev@openvswitch.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: ovs-dev-bounces@openvswitch.org Sender: "dev" Introduce check_pkt_larger action for ingress traffic entering the cluster from a distributed gw router port or from a gw router. This patch enables pMTU discovery for ingress traffic. Signed-off-by: Lorenzo Bianconi --- northd/ovn-northd.c | 166 ++++++++++++++++++++++++++------------------ tests/ovn.at | 137 ++++++++++++++++++++++++++++++++++-- 2 files changed, 231 insertions(+), 72 deletions(-) diff --git a/northd/ovn-northd.c b/northd/ovn-northd.c index 23367dbb0..a9b046898 100644 --- a/northd/ovn-northd.c +++ b/northd/ovn-northd.c @@ -9501,6 +9501,10 @@ build_adm_ctrl_flows_for_lrouter( } } +static void +build_check_pkt_len_action_string(struct ovn_port *op, int *pmtu, + struct ds *actions); + /* Logical router ingress Table 0: L2 Admission Control * This table drops packets that the router shouldn’t see at all based * on their Ethernet headers. @@ -9528,6 +9532,8 @@ build_adm_ctrl_flows_for_lrouter_port( * the pipeline. */ ds_clear(actions); + + build_check_pkt_len_action_string(op, NULL, actions); ds_put_format(actions, REG_INPORT_ETH_ADDR " = %s; next;", op->lrp_networks.ea_s); @@ -10422,32 +10428,110 @@ build_arp_resolve_flows_for_lrouter_port( } +static void +build_icmperr_pkt_big_flows(struct ovn_port *op, int mtu, struct hmap *lflows, + struct ds *match, struct ds *actions, + enum ovn_stage stage) +{ + if (op->lrp_networks.ipv4_addrs) { + ds_clear(match); + ds_put_format(match, + "inport == %s && ip4 && "REGBIT_PKT_LARGER + " && !"REGBIT_EGRESS_LOOPBACK, op->json_key); + + ds_clear(actions); + /* Set icmp4.frag_mtu to gw_mtu */ + ds_put_format(actions, + "icmp4_error {" + REGBIT_EGRESS_LOOPBACK" = 1; " + REGBIT_PKT_LARGER" = 0; " + "eth.dst = %s; " + "ip4.dst = ip4.src; " + "ip4.src = %s; " + "ip.ttl = 255; " + "icmp4.type = 3; /* Destination Unreachable. */ " + "icmp4.code = 4; /* Frag Needed and DF was Set. */ " + "icmp4.frag_mtu = %d; " + "next(pipeline=ingress, table=%d); };", + op->lrp_networks.ea_s, + op->lrp_networks.ipv4_addrs[0].addr_s, + mtu, ovn_stage_get_table(S_ROUTER_IN_ADMISSION)); + ovn_lflow_add_with_hint(lflows, op->od, stage, 150, + ds_cstr(match), ds_cstr(actions), + &op->nbrp->header_); + } + + if (op->lrp_networks.ipv6_addrs) { + ds_clear(match); + ds_put_format(match, "inport == %s && ip6 && "REGBIT_PKT_LARGER + " && !"REGBIT_EGRESS_LOOPBACK, op->json_key); + + ds_clear(actions); + /* Set icmp6.frag_mtu to gw_mtu */ + ds_put_format(actions, + "icmp6_error {" + REGBIT_EGRESS_LOOPBACK" = 1; " + REGBIT_PKT_LARGER" = 0; " + "eth.dst = %s; " + "ip6.dst = ip6.src; " + "ip6.src = %s; " + "ip.ttl = 255; " + "icmp6.type = 2; /* Packet Too Big. */ " + "icmp6.code = 0; " + "icmp6.frag_mtu = %d; " + "next(pipeline=ingress, table=%d); };", + op->lrp_networks.ea_s, + op->lrp_networks.ipv6_addrs[0].addr_s, + mtu, ovn_stage_get_table(S_ROUTER_IN_ADMISSION)); + ovn_lflow_add_with_hint(lflows, op->od, stage, 150, + ds_cstr(match), ds_cstr(actions), + &op->nbrp->header_); + } +} + +static void +build_check_pkt_len_action_string(struct ovn_port *op, int *pmtu, + struct ds *actions) +{ + int gw_mtu = smap_get_int(&op->nbrp->options, "gateway_mtu", 0); + + if (gw_mtu > 0) { + /* Add the flows only if gateway_mtu is configured. */ + ds_put_format(actions, + REGBIT_PKT_LARGER" = check_pkt_larger(%d); ", + gw_mtu + VLAN_ETH_HEADER_LEN); + } + if (pmtu) { + *pmtu = gw_mtu; + } +} + static void build_check_pkt_len_flows_for_lrp(struct ovn_port *op, struct hmap *lflows, struct hmap *ports, struct ds *match, struct ds *actions) { - int gw_mtu = 0; + int gw_mtu; - if (op->nbrp) { - gw_mtu = smap_get_int(&op->nbrp->options, "gateway_mtu", 0); - } - /* Add the flows only if gateway_mtu is configured. */ + ds_clear(actions); + build_check_pkt_len_action_string(op, &gw_mtu, actions); if (gw_mtu <= 0) { return; } + ds_put_format(actions, "next;"); + ds_clear(match); ds_put_format(match, "outport == %s", op->json_key); - ds_clear(actions); - ds_put_format(actions, - REGBIT_PKT_LARGER" = check_pkt_larger(%d);" - " next;", gw_mtu + VLAN_ETH_HEADER_LEN); ovn_lflow_add_with_hint(lflows, op->od, S_ROUTER_IN_CHK_PKT_LEN, 50, ds_cstr(match), ds_cstr(actions), &op->nbrp->header_); + /* ingress traffic */ + build_icmperr_pkt_big_flows(op, gw_mtu, lflows, match, actions, + S_ROUTER_IN_IP_INPUT); + for (size_t i = 0; i < op->od->nbr->n_ports; i++) { struct ovn_port *rp = ovn_port_find(ports, op->od->nbr->ports[i]->name); @@ -10455,63 +10539,9 @@ build_check_pkt_len_flows_for_lrp(struct ovn_port *op, continue; } - if (rp->lrp_networks.ipv4_addrs) { - ds_clear(match); - ds_put_format(match, "inport == %s && outport == %s" - " && ip4 && "REGBIT_PKT_LARGER, - rp->json_key, op->json_key); - - ds_clear(actions); - /* Set icmp4.frag_mtu to gw_mtu */ - ds_put_format(actions, - "icmp4_error {" - REGBIT_EGRESS_LOOPBACK" = 1; " - "eth.dst = %s; " - "ip4.dst = ip4.src; " - "ip4.src = %s; " - "ip.ttl = 255; " - "icmp4.type = 3; /* Destination Unreachable. */ " - "icmp4.code = 4; /* Frag Needed and DF was Set. */ " - "icmp4.frag_mtu = %d; " - "next(pipeline=ingress, table=%d); };", - rp->lrp_networks.ea_s, - rp->lrp_networks.ipv4_addrs[0].addr_s, - gw_mtu, - ovn_stage_get_table(S_ROUTER_IN_ADMISSION)); - ovn_lflow_add_with_hint(lflows, op->od, - S_ROUTER_IN_LARGER_PKTS, 50, - ds_cstr(match), ds_cstr(actions), - &rp->nbrp->header_); - } - - if (rp->lrp_networks.ipv6_addrs) { - ds_clear(match); - ds_put_format(match, "inport == %s && outport == %s" - " && ip6 && "REGBIT_PKT_LARGER, - rp->json_key, op->json_key); - - ds_clear(actions); - /* Set icmp6.frag_mtu to gw_mtu */ - ds_put_format(actions, - "icmp6_error {" - REGBIT_EGRESS_LOOPBACK" = 1; " - "eth.dst = %s; " - "ip6.dst = ip6.src; " - "ip6.src = %s; " - "ip.ttl = 255; " - "icmp6.type = 2; /* Packet Too Big. */ " - "icmp6.code = 0; " - "icmp6.frag_mtu = %d; " - "next(pipeline=ingress, table=%d); };", - rp->lrp_networks.ea_s, - rp->lrp_networks.ipv6_addrs[0].addr_s, - gw_mtu, - ovn_stage_get_table(S_ROUTER_IN_ADMISSION)); - ovn_lflow_add_with_hint(lflows, op->od, - S_ROUTER_IN_LARGER_PKTS, 50, - ds_cstr(match), ds_cstr(actions), - &rp->nbrp->header_); - } + /* egress traffic */ + build_icmperr_pkt_big_flows(rp, gw_mtu, lflows, match, actions, + S_ROUTER_IN_LARGER_PKTS); } } @@ -11579,8 +11609,10 @@ build_lrouter_ingress_flow(struct hmap *lflows, struct ovn_datapath *od, * down in the pipeline. */ ds_clear(actions); + + build_check_pkt_len_action_string(od->l3dgw_port, NULL, actions); ds_put_format(actions, REG_INPORT_ETH_ADDR " = %s; next;", - od->l3dgw_port->lrp_networks.ea_s); + od->l3dgw_port->lrp_networks.ea_s); ds_clear(match); ds_put_format(match, diff --git a/tests/ovn.at b/tests/ovn.at index 5c3ed2633..cf3cbd4d3 100644 --- a/tests/ovn.at +++ b/tests/ovn.at @@ -16312,6 +16312,52 @@ test_ip_packet_larger() { fi } +test_ip_packet_larger_ext() { + local mtu=$1 + + # Send ip packet from sw0-port1 to outside + src_mac="00000012af11" # external mac + dst_mac="000020201213" # lr0-public mac + src_ip=`ip_to_hex 172 168 0 4` + dst_ip=`ip_to_hex 172 168 0 100` + # Set the packet length to 118. + pkt_len=0076 + packet=${dst_mac}${src_mac}08004500${pkt_len}00000000400120cf + orig_packet_l3=${src_ip}${dst_ip}0900000000000000 + orig_packet_l3=${orig_packet_l3}000000000000000000000000000000000000 + orig_packet_l3=${orig_packet_l3}000000000000000000000000000000000000 + orig_packet_l3=${orig_packet_l3}000000000000000000000000000000000000 + orig_packet_l3=${orig_packet_l3}000000000000000000000000000000000000 + orig_packet_l3=${orig_packet_l3}000000000000000000000000000000000000 + packet=${packet}${orig_packet_l3} + + gw_ip_garp=ffffffffffff00002020121308060001080006040001000020201213aca80064000000000000aca80064 + ext_ip_garp=ffffffffffff00000012af110806000108000604000100000012af11aca80004000000000000aca80004 + + src_ip=`ip_to_hex 172 168 0 100` + dst_ip=`ip_to_hex 172 168 0 4` + # pkt len should be 146 (28 (icmp packet) + 118 (orig ip + payload)) + reply_pkt_len=0092 + ip_csum=f397 + icmp_reply=${src_mac}${dst_mac}08004500${reply_pkt_len}00004000fe0122b2 + icmp_reply=${icmp_reply}${src_ip}${dst_ip}0304${ip_csum}0000$(printf "%04x" $mtu) + icmp_reply=${icmp_reply}4500${pkt_len}00000000400120cf + icmp_reply=${icmp_reply}${orig_packet_l3} + echo $icmp_reply > br-phys_n1.expected + + echo $gw_ip_garp >> br-phys_n1.expected + + as hv1 reset_pcap_file br-phys_n1 hv1/br-phys_n1 + as hv1 reset_pcap_file hv1-vif1 hv1/vif1 + + check as hv1 ovs-appctl netdev-dummy/receive br-phys_n1 $ext_ip_garp + sleep 1 + # Send packet from sw0-port1 to outside + check as hv1 ovs-appctl netdev-dummy/receive br-phys_n1 $packet + + OVN_CHECK_PACKETS([hv1/br-phys_n1-tx.pcap], [br-phys_n1.expected]) +} + test_ip6_packet_larger() { local mtu=$1 @@ -16327,7 +16373,7 @@ test_ip6_packet_larger() { local payload=${payload}0000000000000000000000000000000000000000 local payload=${payload}0000000000000000000000000000000000000000 - local ip6_hdr=6000000000583aff${ipv6_src}${ipv6_dst} + local ip6_hdr=6000000000583afe${ipv6_src}${ipv6_dst} local packet=${eth_dst}${eth_src}86dd${ip6_hdr}8000ec7662f00001${payload} as hv1 reset_pcap_file br-phys_n1 hv1/br-phys_n1 @@ -16344,11 +16390,11 @@ test_ip6_packet_larger() { mtu_needed=$(expr ${packet_bytes} - 18) if test $mtu -lt $mtu_needed; then # First construct the inner IPv6 packet. - inner_ip6=6000000000583afe${ipv6_src}${ipv6_dst} + inner_ip6=6000000000583afd${ipv6_src}${ipv6_dst} inner_icmp6=8000000062f00001 inner_icmp6_and_payload=$(icmp6_csum_inplace ${inner_icmp6}${payload} ${inner_ip6}) inner_packet=${inner_ip6}${inner_icmp6_and_payload} - + # Then the outer. outer_ip6=6000000000883afe${ipv6_rt}${ipv6_src} outer_icmp6_and_payload=$(icmp6_csum_inplace 020000000000$(printf "%04x" $mtu)${inner_packet} $outer_ip6) @@ -16366,6 +16412,53 @@ test_ip6_packet_larger() { fi } +test_ip6_packet_larger_ext() { + local mtu=$1 + + local eth_src=00000012af11 + local eth_dst=000020201213 + + local ipv6_src=20000000000000000000000000000004 + local ipv6_dst=20000000000000000000000000000001 + + local payload=0000000000000000000000000000000000000000 + local payload=${payload}0000000000000000000000000000000000000000 + local payload=${payload}0000000000000000000000000000000000000000 + local payload=${payload}0000000000000000000000000000000000000000 + + local ip6_hdr=6000000000583afe${ipv6_src}${ipv6_dst} + local packet=${eth_dst}${eth_src}86dd${ip6_hdr}9000cc7662f00001${payload} + + local ns=ffffffffffff00002020121308060001080006040001000020201213aca80064000000000000aca80064 + echo $ns > br-phys_n1.expected + + as hv1 reset_pcap_file br-phys_n1 hv1/br-phys_n1 + as hv1 reset_pcap_file hv1-vif1 hv1/vif1 + + local na_ip6_hdr=6000000000203aff${ipv6_src}${ipv6_dst} + local na=${eth_dst}${eth_src}86dd${na_ip6_hdr}8800d78440000000${ipv6_src}0201${eth_src} + check as hv1 ovs-appctl netdev-dummy/receive br-phys_n1 $na + sleep 1 + check as hv1 ovs-appctl netdev-dummy/receive br-phys_n1 $packet + AT_CAPTURE_FILE([trace-$mtu]) + + # First construct the inner IPv6 packet. + inner_ip6=6000000000583afe${ipv6_src}${ipv6_dst} + inner_icmp6=9000000062f00001 + inner_icmp6_and_payload=$(icmp6_csum_inplace ${inner_icmp6}${payload} ${inner_ip6}) + inner_packet=${inner_ip6}${inner_icmp6_and_payload} + + # Then the outer. + outer_ip6=6000000000883afe${ipv6_dst}${ipv6_src} + outer_icmp6_and_payload=$(icmp6_csum_inplace 020000000000$(printf "%04x" $mtu)${inner_packet} $outer_ip6) + outer_packet=${outer_ip6}${outer_icmp6_and_payload} + + icmp6_reply=${eth_src}${eth_dst}86dd${outer_packet} + echo $icmp6_reply >> br-phys_n1.expected + + OVN_CHECK_PACKETS([hv1/br-phys_n1-tx.pcap], [br-phys_n1.expected]) +} + wait_for_ports_up ovn-nbctl --wait=hv sync @@ -16398,7 +16491,7 @@ for mtu in 100 500 118; do OVS_WAIT_FOR_OUTPUT([ as hv1 ovs-ofctl dump-flows br-int > br-int-flows-$mtu AT_CAPTURE_FILE([br-int-flows-$mtu]) - grep "check_pkt_larger($(expr $mtu + 18))" br-int-flows-$mtu | wc -l], [0], [1 + grep "check_pkt_larger($(expr $mtu + 18))" br-int-flows-$mtu | wc -l], [0], [3 ]) AS_BOX([testing mtu $mtu - IPv4]) @@ -16408,6 +16501,23 @@ for mtu in 100 500 118; do test_ip6_packet_larger $mtu done +AS_BOX([testing mtu $mtu]) +check ovn-nbctl --wait=hv set logical_router_port lr0-public options:gateway_mtu=100 +ovn-sbctl dump-flows > ext-sbflows-100 +AT_CAPTURE_FILE([ext-sbflows-$mtu]) + +OVS_WAIT_FOR_OUTPUT([ + as hv1 ovs-ofctl dump-flows br-int > ext-br-int-flows-100 + AT_CAPTURE_FILE([ext-br-int-flows-100]) + grep "check_pkt_larger(118)" ext-br-int-flows-100 | wc -l], [0], [3 +]) + +AS_BOX([testing ext mtu 100 - IPv4]) +test_ip_packet_larger_ext 100 + +AS_BOX([testing mtu 100 - IPv6]) +test_ip6_packet_larger_ext 100 + ovn-nbctl lsp-del sw0-lr0 ovn-nbctl lr-del lr0 @@ -16445,7 +16555,7 @@ for mtu in 100 500 118; do OVS_WAIT_FOR_OUTPUT([ as hv1 ovs-ofctl dump-flows br-int > br-int-gw-flows-$mtu AT_CAPTURE_FILE([br-int-gw-flows-$mtu]) - grep "check_pkt_larger($(expr $mtu + 18))" br-int-gw-flows-$mtu | wc -l], [0], [1 + grep "check_pkt_larger($(expr $mtu + 18))" br-int-gw-flows-$mtu | wc -l], [0], [3 ]) AS_BOX([testing gw mtu $mtu - IPv4]) @@ -16455,6 +16565,23 @@ for mtu in 100 500 118; do test_ip6_packet_larger $mtu done +AS_BOX([testing gw mtu $mtu]) +check ovn-nbctl --wait=hv set logical_router_port lr1-public options:gateway_mtu=100 +ovn-sbctl dump-flows > ext-gw-sbflows-100 +AT_CAPTURE_FILE([ext-gw-sbflows-$mtu]) + +OVS_WAIT_FOR_OUTPUT([ + as hv1 ovs-ofctl dump-flows br-int > ext-br-int-gw-flows-100 + AT_CAPTURE_FILE([ext-br-int-gw-flows-100]) + grep "check_pkt_larger(118)" ext-br-int-gw-flows-100 | wc -l], [0], [3 +]) + +AS_BOX([testing gw ext mtu 100 - IPv4]) +test_ip_packet_larger_ext 100 + +AS_BOX([testing gw mtu 100 - IPv6]) +test_ip6_packet_larger_ext 100 + OVN_CLEANUP([hv1]) AT_CLEANUP ])