From patchwork Wed Mar 20 14:39:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Naveen Yerramneni X-Patchwork-Id: 1914130 X-Patchwork-Delegate: nusiddiq@redhat.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=nutanix.com header.i=@nutanix.com header.a=rsa-sha256 header.s=proofpoint20171006 header.b=J1eNajqf; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=nutanix.com header.i=@nutanix.com header.a=rsa-sha256 header.s=selector1 header.b=Tu/7/zFZ; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=openvswitch.org (client-ip=2605:bc80:3010::138; helo=smtp1.osuosl.org; envelope-from=ovs-dev-bounces@openvswitch.org; receiver=patchwork.ozlabs.org) Received: from smtp1.osuosl.org (smtp1.osuosl.org [IPv6:2605:bc80:3010::138]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4V0B8w0qqPz23r9 for ; Thu, 21 Mar 2024 01:40:47 +1100 (AEDT) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 20E518209D; Wed, 20 Mar 2024 14:40:46 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id OyTiQFmhjkie; Wed, 20 Mar 2024 14:40:41 +0000 (UTC) X-Comment: SPF check N/A for local connections - client-ip=140.211.9.56; helo=lists.linuxfoundation.org; envelope-from=ovs-dev-bounces@openvswitch.org; receiver= DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org 852CE820A5 Authentication-Results: smtp1.osuosl.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=nutanix.com header.i=@nutanix.com header.a=rsa-sha256 header.s=proofpoint20171006 header.b=J1eNajqf; dkim=fail reason="signature verification failed" (2048-bit key, unprotected) header.d=nutanix.com header.i=@nutanix.com header.a=rsa-sha256 header.s=selector1 header.b=Tu/7/zFZ Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp1.osuosl.org (Postfix) with ESMTPS id 852CE820A5; Wed, 20 Mar 2024 14:40:41 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 43D8DC007C; Wed, 20 Mar 2024 14:40:41 +0000 (UTC) X-Original-To: dev@openvswitch.org Delivered-To: ovs-dev@lists.linuxfoundation.org Received: from smtp4.osuosl.org (smtp4.osuosl.org [IPv6:2605:bc80:3010::137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 24EFEC0072 for ; Wed, 20 Mar 2024 14:40:40 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 354BD408CC for ; Wed, 20 Mar 2024 14:40:37 +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 IUgTPlV2cjJr for ; Wed, 20 Mar 2024 14:40:35 +0000 (UTC) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=148.163.155.12; helo=mx0b-002c1b01.pphosted.com; envelope-from=naveen.yerramneni@nutanix.com; receiver= DMARC-Filter: OpenDMARC Filter v1.4.2 smtp4.osuosl.org 2BB2E4091C Authentication-Results: smtp4.osuosl.org; dmarc=pass (p=none dis=none) header.from=nutanix.com DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org 2BB2E4091C Authentication-Results: smtp4.osuosl.org; dkim=pass (2048-bit key) header.d=nutanix.com header.i=@nutanix.com header.a=rsa-sha256 header.s=proofpoint20171006 header.b=J1eNajqf; dkim=pass (2048-bit key, unprotected) header.d=nutanix.com header.i=@nutanix.com header.a=rsa-sha256 header.s=selector1 header.b=Tu/7/zFZ Received: from mx0b-002c1b01.pphosted.com (mx0b-002c1b01.pphosted.com [148.163.155.12]) by smtp4.osuosl.org (Postfix) with ESMTPS id 2BB2E4091C for ; Wed, 20 Mar 2024 14:40:34 +0000 (UTC) Received: from pps.filterd (m0127842.ppops.net [127.0.0.1]) by mx0b-002c1b01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 42KBG2fv014941; Wed, 20 Mar 2024 07:40:34 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nutanix.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :content-transfer-encoding:content-type:mime-version; s= proofpoint20171006; bh=Jz00pW18AcmwXmSQIvUPwll2rRTrJB5hqCWsMwbu+ jM=; b=J1eNajqfnaa2YmZAOwhaCO5GFjMVAeMqoyWyy1Y3BhgvA1cKvwSbNhyuf gBF5I/f8T9XfaJLw6b4Wn/5PZeUPYrqkGBN5tt3huKpSwZoyo5fM5vKz3Ilf46hB ROnQH5K5KCKKl7ttbhdr/ThUTRT0sucRl6TUKU593uH4qJZbU5B+z2Qte6m4tN40 kNUSnU/4s18z2KClTbRGjCrYhDsIXaZUi4hoRWcUd93UWb2VkNPPfcrJVuNab7ez LUUDnE5PSM7UeeiOaMiuTLino9OoXbiRY/b1dlmDpq/m3OwGANJyZ96MUAV5vpE9 /s4Sd33W4rS9ENnwi8ynYIfoFbCsQ== Received: from nam10-dm6-obe.outbound.protection.outlook.com (mail-dm6nam10lp2100.outbound.protection.outlook.com [104.47.58.100]) by mx0b-002c1b01.pphosted.com (PPS) with ESMTPS id 3wyhqnhu32-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 20 Mar 2024 07:40:33 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Jje8MNMm/uh8qZh/Qg3m2aqAjP12APZ0giQJJVircaowqBdrc9lsiFw0uiFBFq4W0n6Xp5NG4yhlvEj67vibr1/tpIq8kDx2S6gkqOpyuP7M4xiMsOwvcvb1WK7KZ7hT9qSCjrYQSM7i1r6XURa5caHYDW3nmI+u+NDyeETM4KffF9Mvedsj74q16Ax+ACiWAb/lx5FowFc7T4b8FkkDsVfDGsWTmTmtz6KlvYDoqgW9SgkrVq3LWBx4802d/QhCKoIX09AeHLGhXgrqkI+BBx3twCv2sXuZd0l0AHJda5ekkh+0WngNZdjEEVeKQoP35osBsWhmMByVnmj4oc7BDg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=Jz00pW18AcmwXmSQIvUPwll2rRTrJB5hqCWsMwbu+jM=; b=Q0NBG8MK6zHBJDp8B82vZR+1YpfxcmKLpef9940spz2AFjbNhUuZokG28fAVBE8S4YgbIkS7uEcOFARgsbPttZfFr6Y3c1/XVLJgLI5m8+RTu5U9S0mViuRlqTx1waMWSWki57EiYUI388gaHaHIMIQcs8fNL8zY/pfaiuvMmTz2VoD0DUccl3LJa5qB+06rD8PPOhAq7G74Fkcspk/NNz2yhhkGVlwBATNiD9SUYfE6G9p39NzqRj/c1rJ+bnjXraQjQi6mWZ8WTpRNU/ho3zJJqeDqrPJ5r9wDph78TMjBscH/VSe0br1sDkzMQbBVbyDtV+xr6C2/+56/7SmqeA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nutanix.com; dmarc=pass action=none header.from=nutanix.com; dkim=pass header.d=nutanix.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nutanix.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=Jz00pW18AcmwXmSQIvUPwll2rRTrJB5hqCWsMwbu+jM=; b=Tu/7/zFZJZ7+tfVq+KBPSj4u2BV6Bl6nuC9VysKpHBXFviI1RtR0xXwXWlX6J55lLgcNVP5xemnhJt8b81tayH8tMDakcrN16/7BkTeM3OA2HjqYFKam7IimV5JQpUUaPy2s6GjmP/XjPrVAgtdfgI9JoRia1jsLoJh4/udbZwuOxn+Y8TeFH7GvTHpcOKTQpLUYY5heKU11QSTwdT0fEfh2e9lv3Sq7FlYQssKidiPwH5FVGou4m3693PMxJmakWH+q442xOgWAMJUnfPDOF3DiDFt3+crn9Llp/SsAV5PrBK7rsHk8VnnthVbYOV9P8vMRLvGtYPgsYC+DE7eSaA== Received: from SJ0PR02MB7808.namprd02.prod.outlook.com (2603:10b6:a03:326::16) by SJ2PR02MB9705.namprd02.prod.outlook.com (2603:10b6:a03:53d::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7386.31; Wed, 20 Mar 2024 14:40:29 +0000 Received: from SJ0PR02MB7808.namprd02.prod.outlook.com ([fe80::d95e:4ad8:aa24:7c4]) by SJ0PR02MB7808.namprd02.prod.outlook.com ([fe80::d95e:4ad8:aa24:7c4%3]) with mapi id 15.20.7386.025; Wed, 20 Mar 2024 14:40:29 +0000 From: Naveen Yerramneni To: dev@openvswitch.org Date: Wed, 20 Mar 2024 14:39:56 +0000 Message-Id: <20240320143958.39052-3-naveen.yerramneni@nutanix.com> X-Mailer: git-send-email 2.36.6 In-Reply-To: <20240320143958.39052-1-naveen.yerramneni@nutanix.com> References: <20240320143958.39052-1-naveen.yerramneni@nutanix.com> X-ClientProxiedBy: PH8PR15CA0005.namprd15.prod.outlook.com (2603:10b6:510:2d2::12) To SJ0PR02MB7808.namprd02.prod.outlook.com (2603:10b6:a03:326::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ0PR02MB7808:EE_|SJ2PR02MB9705:EE_ X-MS-Office365-Filtering-Correlation-Id: 59dee7db-d9b8-4f9e-eb66-08dc48ebb078 x-proofpoint-crosstenant: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:SJ0PR02MB7808.namprd02.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230031)(366007)(52116005)(1800799015)(376005)(38350700005); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: nutanix.com X-MS-Exchange-CrossTenant-Network-Message-Id: 59dee7db-d9b8-4f9e-eb66-08dc48ebb078 X-MS-Exchange-CrossTenant-AuthSource: SJ0PR02MB7808.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Mar 2024 14:40:29.6429 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: bb047546-786f-4de1-bd75-24e5b6f79043 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 2gGaY1YBFlXWgB7aKoLxP0Xxcc2T6eN/U8ZoZUMCjMz4jWY0obWqJh8qq8eBtOv4MhwZvY+3A1u3AeDeV6YX1P8bZo+V9Z0CwktRhsa+LpA= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR02MB9705 X-Proofpoint-GUID: Y27GGwtArrRhhT2ODYnalcnpcT_eKAdf X-Proofpoint-ORIG-GUID: Y27GGwtArrRhhT2ODYnalcnpcT_eKAdf X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-03-20_10,2024-03-18_03,2023-05-22_02 X-Proofpoint-Spam-Reason: safe Cc: huzaifa.c@nutanix.com Subject: [ovs-dev] [PATCH OVN v5 2/4] controller: DHCP Relay Agent support for overlay IPv4 subnets. 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" Added changes in pinctrl to process DHCP Relay opcodes: - ACTION_OPCODE_DHCP_RELAY_REQ_CHK: For request packets - ACTION_OPCODE_DHCP_RELAY_RESP_CHK: For response packet Signed-off-by: Naveen Yerramneni --- controller/pinctrl.c | 596 ++++++++++++++++++++++++++++++++++++++----- lib/ovn-l7.h | 2 + 2 files changed, 529 insertions(+), 69 deletions(-) diff --git a/controller/pinctrl.c b/controller/pinctrl.c index 2d3595cd2..11a5cac62 100644 --- a/controller/pinctrl.c +++ b/controller/pinctrl.c @@ -2017,6 +2017,514 @@ is_dhcp_flags_broadcast(ovs_be16 flags) return flags & htons(DHCP_BROADCAST_FLAG); } +static const char *dhcp_msg_str[] = { +[0] = "INVALID", +[DHCP_MSG_DISCOVER] = "DISCOVER", +[DHCP_MSG_OFFER] = "OFFER", +[DHCP_MSG_REQUEST] = "REQUEST", +[OVN_DHCP_MSG_DECLINE] = "DECLINE", +[DHCP_MSG_ACK] = "ACK", +[DHCP_MSG_NAK] = "NAK", +[OVN_DHCP_MSG_RELEASE] = "RELEASE", +[OVN_DHCP_MSG_INFORM] = "INFORM" +}; + +static bool +dhcp_relay_is_msg_type_supported(uint8_t msg_type) +{ + return (msg_type >= DHCP_MSG_DISCOVER && msg_type <= OVN_DHCP_MSG_RELEASE); +} + +static const char *dhcp_msg_str_get(uint8_t msg_type) +{ + if (!dhcp_relay_is_msg_type_supported(msg_type)) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_WARN_RL(&rl, "Unknown DHCP msg type: %u", msg_type); + return "UNKNOWN"; + } + return dhcp_msg_str[msg_type]; +} + +static const struct dhcp_header * +dhcp_get_hdr_from_pkt(struct dp_packet *pkt_in, const char **in_dhcp_pptr, + const char *end) +{ + /* Validate the DHCP request packet. + * Format of the DHCP packet is + * ----------------------------------------------------------------------- + *| UDP HEADER | DHCP HEADER | 4 Byte DHCP Cookie | DHCP OPTIONS(var len) | + * ----------------------------------------------------------------------- + */ + + *in_dhcp_pptr = dp_packet_get_udp_payload(pkt_in); + if (*in_dhcp_pptr == NULL) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_WARN_RL(&rl, "DHCP: Invalid or incomplete DHCP packet received"); + return NULL; + } + + const struct dhcp_header *dhcp_hdr + = (const struct dhcp_header *) *in_dhcp_pptr; + (*in_dhcp_pptr) += sizeof *dhcp_hdr; + if (*in_dhcp_pptr > end) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_WARN_RL(&rl, "DHCP: Invalid or incomplete DHCP packet received, " + "bad data length"); + return NULL; + } + + if (dhcp_hdr->htype != 0x1) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_WARN_RL(&rl, "DHCP: Packet is recieved with " + "unsupported hardware type"); + return NULL; + } + + if (dhcp_hdr->hlen != 0x6) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_WARN_RL(&rl, "DHCP: Packet is recieved with " + "unsupported hardware length"); + return NULL; + } + + /* DHCP options follow the DHCP header. The first 4 bytes of the DHCP + * options is the DHCP magic cookie followed by the actual DHCP options. + */ + ovs_be32 magic_cookie = htonl(DHCP_MAGIC_COOKIE); + if ((*in_dhcp_pptr) + sizeof magic_cookie > end || + get_unaligned_be32((const void *) (*in_dhcp_pptr)) != magic_cookie) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_WARN_RL(&rl, "DHCP: Magic cookie not present in the DHCP packet"); + return NULL; + } + + (*in_dhcp_pptr) += sizeof magic_cookie; + + return dhcp_hdr; +} + +static void +dhcp_parse_options(const char **in_dhcp_pptr, const char *end, + const uint8_t **dhcp_msg_type_pptr, ovs_be32 *request_ip_ptr, + bool *ipxe_req_ptr, ovs_be32 *server_id_ptr, + ovs_be32 *netmask_ptr, ovs_be32 *router_ip_ptr) +{ + while ((*in_dhcp_pptr) < end) { + const struct dhcp_opt_header *in_dhcp_opt = + (const struct dhcp_opt_header *) *in_dhcp_pptr; + if (in_dhcp_opt->code == DHCP_OPT_END) { + break; + } + if (in_dhcp_opt->code == DHCP_OPT_PAD) { + (*in_dhcp_pptr) += 1; + continue; + } + (*in_dhcp_pptr) += sizeof *in_dhcp_opt; + if ((*in_dhcp_pptr) > end) { + break; + } + (*in_dhcp_pptr) += in_dhcp_opt->len; + if ((*in_dhcp_pptr) > end) { + break; + } + + switch (in_dhcp_opt->code) { + case DHCP_OPT_MSG_TYPE: + if (dhcp_msg_type_pptr && in_dhcp_opt->len == 1) { + *dhcp_msg_type_pptr = DHCP_OPT_PAYLOAD(in_dhcp_opt); + } + break; + case DHCP_OPT_REQ_IP: + if (request_ip_ptr && in_dhcp_opt->len == 4) { + *request_ip_ptr = get_unaligned_be32( + DHCP_OPT_PAYLOAD(in_dhcp_opt)); + } + break; + case OVN_DHCP_OPT_CODE_SERVER_ID: + if (server_id_ptr && in_dhcp_opt->len == 4) { + *server_id_ptr = get_unaligned_be32( + DHCP_OPT_PAYLOAD(in_dhcp_opt)); + } + break; + case OVN_DHCP_OPT_CODE_NETMASK: + if (netmask_ptr && in_dhcp_opt->len == 4) { + *netmask_ptr = get_unaligned_be32( + DHCP_OPT_PAYLOAD(in_dhcp_opt)); + } + break; + case OVN_DHCP_OPT_CODE_ROUTER_IP: + if (router_ip_ptr && in_dhcp_opt->len == 4) { + *router_ip_ptr = get_unaligned_be32( + DHCP_OPT_PAYLOAD(in_dhcp_opt)); + } + break; + case DHCP_OPT_ETHERBOOT: + if (ipxe_req_ptr) { + *ipxe_req_ptr = true; + } + break; + default: + break; + } + } +} + +/* Called with in the pinctrl_handler thread context. */ +static void +pinctrl_handle_dhcp_relay_req_chk( + struct rconn *swconn, + struct dp_packet *pkt_in, struct ofputil_packet_in *pin, + struct ofpbuf *userdata, + struct ofpbuf *continuation) +{ + enum ofp_version version = rconn_get_version(swconn); + enum ofputil_protocol proto = ofputil_protocol_from_ofp_version(version); + struct dp_packet *pkt_out_ptr = NULL; + uint32_t success = 0; + + /* Parse result field. */ + const struct mf_field *f; + enum ofperr ofperr = nx_pull_header(userdata, NULL, &f, NULL); + if (ofperr) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_WARN_RL(&rl, "DHCP_RELAY_REQ_CHK: bad result OXM (%s)", + ofperr_to_string(ofperr)); + goto exit; + } + ovs_be32 *ofsp = ofpbuf_try_pull(userdata, sizeof *ofsp); + /* Check that the result is valid and writable. */ + struct mf_subfield dst = { .field = f, .ofs = ntohl(*ofsp), .n_bits = 1 }; + ofperr = mf_check_dst(&dst, NULL); + if (ofperr) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_WARN_RL(&rl, "DHCP_RELAY_REQ_CHK: bad result bit (%s)", + ofperr_to_string(ofperr)); + goto exit; + } + + /* Parse relay IP and server IP. */ + ovs_be32 *relay_ip = ofpbuf_try_pull(userdata, sizeof *relay_ip); + ovs_be32 *server_ip = ofpbuf_try_pull(userdata, sizeof *server_ip); + if (!relay_ip || !server_ip) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_WARN_RL(&rl, "DHCP_RELAY_REQ_CHK: relay ip or server ip " + "not present in the userdata"); + goto exit; + } + + size_t in_l4_size = dp_packet_l4_size(pkt_in); + const char *end = (char *) dp_packet_l4(pkt_in) + in_l4_size; + const char *in_dhcp_ptr = NULL; + const struct dhcp_header *in_dhcp_data + = dhcp_get_hdr_from_pkt(pkt_in, &in_dhcp_ptr, end); + + if (!in_dhcp_data) { + goto exit; + } + ovs_assert(in_dhcp_ptr); + + if (in_dhcp_data->op != DHCP_OP_REQUEST) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_WARN_RL(&rl, "DHCP_RELAY_REQ_CHK: invalid opcode in the " + "DHCP packet: %d", in_dhcp_data->op); + goto exit; + } + + if (in_dhcp_data->giaddr) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_WARN_RL(&rl, "DHCP_RELAY_REQ_CHK: giaddr is already set"); + goto exit; + } + + const uint8_t *in_dhcp_msg_type = NULL; + ovs_be32 request_ip = in_dhcp_data->ciaddr; + + dhcp_parse_options(&in_dhcp_ptr, end, + &in_dhcp_msg_type, &request_ip, NULL, NULL, NULL, NULL); + + /* Check whether the DHCP Message Type (opt 53) is present or not */ + if (!in_dhcp_msg_type) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_WARN_RL(&rl, "DHCP_RELAY_REQ_CHK: missing message type"); + goto exit; + } + + /* Relay the DHCP request packet */ + uint16_t new_l4_size = in_l4_size; + size_t new_packet_size = pkt_in->l4_ofs + new_l4_size; + + struct dp_packet pkt_out; + dp_packet_init(&pkt_out, new_packet_size); + dp_packet_clear(&pkt_out); + dp_packet_prealloc_tailroom(&pkt_out, new_packet_size); + pkt_out_ptr = &pkt_out; + + /* Copy the L2 and L3 headers from the pkt_in as they would remain same*/ + dp_packet_put( + &pkt_out, dp_packet_pull(pkt_in, pkt_in->l4_ofs), pkt_in->l4_ofs); + + pkt_out.l2_5_ofs = pkt_in->l2_5_ofs; + pkt_out.l2_pad_size = pkt_in->l2_pad_size; + pkt_out.l3_ofs = pkt_in->l3_ofs; + pkt_out.l4_ofs = pkt_in->l4_ofs; + + struct udp_header *udp = dp_packet_put( + &pkt_out, dp_packet_pull(pkt_in, UDP_HEADER_LEN), UDP_HEADER_LEN); + + struct dhcp_header *dhcp_data = dp_packet_put(&pkt_out, + dp_packet_pull(pkt_in, new_l4_size - UDP_HEADER_LEN), + new_l4_size - UDP_HEADER_LEN); + + uint8_t hops = dhcp_data->hops + 1; + if (udp->udp_csum) { + udp->udp_csum = recalc_csum16(udp->udp_csum, + htons((uint16_t) dhcp_data->hops), htons((uint16_t) hops)); + } + dhcp_data->hops = hops; + + dhcp_data->giaddr = *relay_ip; + if (udp->udp_csum) { + udp->udp_csum = recalc_csum32(udp->udp_csum, + 0, dhcp_data->giaddr); + } + pin->packet = dp_packet_data(&pkt_out); + pin->packet_len = dp_packet_size(&pkt_out); + + /* Log the DHCP message. */ + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(20, 40); + VLOG_INFO_RL(&rl, "DHCP_RELAY_REQ_CHK:: MSG_TYPE:%s MAC:"ETH_ADDR_FMT + " XID:%u" + " REQ_IP:"IP_FMT + " GIADDR:"IP_FMT + " SERVER_ADDR:"IP_FMT, + dhcp_msg_str_get(*in_dhcp_msg_type), + ETH_ADDR_BYTES_ARGS(dhcp_data->chaddr), ntohl(dhcp_data->xid), + IP_ARGS(request_ip), IP_ARGS(dhcp_data->giaddr), + IP_ARGS(*server_ip)); + success = 1; +exit: + if (!ofperr) { + union mf_subvalue sv; + sv.u8_val = success; + mf_write_subfield(&dst, &sv, &pin->flow_metadata); + } + queue_msg(swconn, ofputil_encode_resume(pin, continuation, proto)); + if (pkt_out_ptr) { + dp_packet_uninit(pkt_out_ptr); + } +} + +/* Called with in the pinctrl_handler thread context. */ +static void +pinctrl_handle_dhcp_relay_resp_chk( + struct rconn *swconn, + struct dp_packet *pkt_in, struct ofputil_packet_in *pin, + struct ofpbuf *userdata, + struct ofpbuf *continuation) +{ + enum ofp_version version = rconn_get_version(swconn); + enum ofputil_protocol proto = ofputil_protocol_from_ofp_version(version); + struct dp_packet *pkt_out_ptr = NULL; + uint32_t success = 0; + + /* Parse result field. */ + const struct mf_field *f; + enum ofperr ofperr = nx_pull_header(userdata, NULL, &f, NULL); + if (ofperr) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_WARN_RL(&rl, "DHCP_RELAY_RESP_CHK: bad result OXM (%s)", + ofperr_to_string(ofperr)); + goto exit; + } + ovs_be32 *ofsp = ofpbuf_try_pull(userdata, sizeof *ofsp); + /* Check that the result is valid and writable. */ + struct mf_subfield dst = { .field = f, .ofs = ntohl(*ofsp), .n_bits = 1 }; + ofperr = mf_check_dst(&dst, NULL); + if (ofperr) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_WARN_RL(&rl, "DHCP_RELAY_RESP_CHK: bad result bit (%s)", + ofperr_to_string(ofperr)); + goto exit; + } + + /* Parse relay IP and server IP. */ + ovs_be32 *relay_ip = ofpbuf_try_pull(userdata, sizeof *relay_ip); + ovs_be32 *server_ip = ofpbuf_try_pull(userdata, sizeof *server_ip); + if (!relay_ip || !server_ip) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_WARN_RL(&rl, "DHCP_RELAY_RESP_CHK: relay ip or server ip " + "not present in the userdata"); + goto exit; + } + + size_t in_l4_size = dp_packet_l4_size(pkt_in); + const char *end = (char *) dp_packet_l4(pkt_in) + in_l4_size; + const char *in_dhcp_ptr = NULL; + const struct dhcp_header *in_dhcp_data + = dhcp_get_hdr_from_pkt(pkt_in, &in_dhcp_ptr, end); + + if (!in_dhcp_data) { + goto exit; + } + ovs_assert(in_dhcp_ptr); + + if (in_dhcp_data->op != DHCP_OP_REPLY) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_WARN_RL(&rl, "DHCP_RELAY_RESP_CHK: invalid opcode " + "in the packet: %d", in_dhcp_data->op); + goto exit; + } + + if (!in_dhcp_data->giaddr) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_WARN_RL(&rl, "DHCP_RELAY_RESP_CHK: giaddr is " + "not set in request"); + goto exit; + } + + ovs_be32 giaddr = in_dhcp_data->giaddr; + ovs_be32 yiaddr = in_dhcp_data->yiaddr; + ovs_be32 server_id = 0, netmask = 0, router_ip = 0; + const uint8_t *in_dhcp_msg_type = NULL; + + dhcp_parse_options(&in_dhcp_ptr, end, + &in_dhcp_msg_type, NULL, NULL, &server_id, &netmask, &router_ip); + + /* Check whether the DHCP Message Type (opt 53) is present or not */ + if (!in_dhcp_msg_type) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_WARN_RL(&rl, "DHCP_RELAY_RESP: missing message type"); + goto exit; + } + + if (!server_id) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_WARN_RL(&rl, "DHCP_RELAY_RESP: missing server identifier"); + goto exit; + } + + if (server_id != *server_ip) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_WARN_RL(&rl, "DHCP_RELAY_RESP: server identifier mismatch"); + goto exit; + } + + if (giaddr != *relay_ip) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_WARN_RL(&rl, "DHCP_RELAY_RESP: giaddr mismatch"); + goto exit; + } + + if (*in_dhcp_msg_type == DHCP_MSG_OFFER || + *in_dhcp_msg_type == DHCP_MSG_ACK) { + if ((yiaddr & netmask) != (giaddr & netmask)) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_INFO_RL(&rl, "DHCP_RELAY_RESP_CHK::" + " Allocated ip adress and giaddr are not in same subnet." + " MSG_TYPE:%s MAC:"ETH_ADDR_FMT + " XID:%u" + " YIADDR:"IP_FMT + " GIADDR:"IP_FMT + " SERVER_ADDR:"IP_FMT, + dhcp_msg_str_get(*in_dhcp_msg_type), + ETH_ADDR_BYTES_ARGS(in_dhcp_data->chaddr), + ntohl(in_dhcp_data->xid), + IP_ARGS(yiaddr), + IP_ARGS(giaddr), IP_ARGS(server_id)); + goto exit; + } + + if (router_ip && router_ip != giaddr) { + /* Log the default gateway mismatch and + * continue with rest of the processing */ + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_INFO_RL(&rl, "DHCP_RELAY_RESP_CHK::" + " Router ip adress and giaddr are not same." + " MSG_TYPE:%s MAC:"ETH_ADDR_FMT + " XID:%u" + " YIADDR:"IP_FMT + " GIADDR:"IP_FMT + " SERVER_ADDR:"IP_FMT, + dhcp_msg_str_get(*in_dhcp_msg_type), + ETH_ADDR_BYTES_ARGS(in_dhcp_data->chaddr), + ntohl(in_dhcp_data->xid), + IP_ARGS(yiaddr), + IP_ARGS(giaddr), IP_ARGS(server_id)); + } + } + + /* Update destination MAC & IP so that the packet is forward to the + * right destination node. + */ + uint16_t new_l4_size = in_l4_size; + size_t new_packet_size = pkt_in->l4_ofs + new_l4_size; + + struct dp_packet pkt_out; + dp_packet_init(&pkt_out, new_packet_size); + dp_packet_clear(&pkt_out); + dp_packet_prealloc_tailroom(&pkt_out, new_packet_size); + pkt_out_ptr = &pkt_out; + + /* Copy the L2 and L3 headers from the pkt_in as they would remain same*/ + struct eth_header *eth = dp_packet_put( + &pkt_out, dp_packet_pull(pkt_in, pkt_in->l4_ofs), pkt_in->l4_ofs); + + pkt_out.l2_5_ofs = pkt_in->l2_5_ofs; + pkt_out.l2_pad_size = pkt_in->l2_pad_size; + pkt_out.l3_ofs = pkt_in->l3_ofs; + pkt_out.l4_ofs = pkt_in->l4_ofs; + + struct udp_header *udp = dp_packet_put( + &pkt_out, dp_packet_pull(pkt_in, UDP_HEADER_LEN), UDP_HEADER_LEN); + + struct dhcp_header *dhcp_data = dp_packet_put( + &pkt_out, dp_packet_pull(pkt_in, new_l4_size - UDP_HEADER_LEN), + new_l4_size - UDP_HEADER_LEN); + memcpy(ð->eth_dst, dhcp_data->chaddr, sizeof(eth->eth_dst)); + + /* Send a broadcast IP frame when BROADCAST flag is set. */ + struct ip_header *out_ip = dp_packet_l3(&pkt_out); + ovs_be32 ip_dst; + ovs_be32 ip_dst_orig = get_16aligned_be32(&out_ip->ip_dst); + if (!is_dhcp_flags_broadcast(dhcp_data->flags)) { + ip_dst = dhcp_data->yiaddr; + } else { + ip_dst = htonl(0xffffffff); + } + put_16aligned_be32(&out_ip->ip_dst, ip_dst); + out_ip->ip_csum = recalc_csum32(out_ip->ip_csum, + ip_dst_orig, ip_dst); + if (udp->udp_csum) { + udp->udp_csum = recalc_csum32(udp->udp_csum, + ip_dst_orig, ip_dst); + } + pin->packet = dp_packet_data(&pkt_out); + pin->packet_len = dp_packet_size(&pkt_out); + + /* Log the DHCP message. */ + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(20, 40); + VLOG_INFO_RL(&rl, "DHCP_RELAY_RESP_CHK:: MSG_TYPE:%s MAC:"ETH_ADDR_FMT + " XID:%u" + " YIADDR:"IP_FMT + " GIADDR:"IP_FMT + " SERVER_ADDR:"IP_FMT, + dhcp_msg_str_get(*in_dhcp_msg_type), + ETH_ADDR_BYTES_ARGS(dhcp_data->chaddr), ntohl(dhcp_data->xid), + IP_ARGS(yiaddr), + IP_ARGS(giaddr), IP_ARGS(server_id)); + success = 1; +exit: + if (!ofperr) { + union mf_subvalue sv; + sv.u8_val = success; + mf_write_subfield(&dst, &sv, &pin->flow_metadata); + } + queue_msg(swconn, ofputil_encode_resume(pin, continuation, proto)); + if (pkt_out_ptr) { + dp_packet_uninit(pkt_out_ptr); + } +} + /* Called with in the pinctrl_handler thread context. */ static void pinctrl_handle_put_dhcp_opts( @@ -2064,30 +2572,16 @@ pinctrl_handle_put_dhcp_opts( goto exit; } - /* Validate the DHCP request packet. - * Format of the DHCP packet is - * ------------------------------------------------------------------------ - *| UDP HEADER | DHCP HEADER | 4 Byte DHCP Cookie | DHCP OPTIONS(var len)| - * ------------------------------------------------------------------------ - */ - const char *end = (char *)dp_packet_l4(pkt_in) + dp_packet_l4_size(pkt_in); - const char *in_dhcp_ptr = dp_packet_get_udp_payload(pkt_in); - if (!in_dhcp_ptr) { - static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); - VLOG_WARN_RL(&rl, "Invalid or incomplete DHCP packet received"); - goto exit; - } - + const char *in_dhcp_ptr = NULL; const struct dhcp_header *in_dhcp_data - = (const struct dhcp_header *) in_dhcp_ptr; - in_dhcp_ptr += sizeof *in_dhcp_data; - if (in_dhcp_ptr > end) { - static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); - VLOG_WARN_RL(&rl, "Invalid or incomplete DHCP packet received, " - "bad data length"); + = dhcp_get_hdr_from_pkt(pkt_in, &in_dhcp_ptr, end); + + if (!in_dhcp_data) { goto exit; } + ovs_assert(in_dhcp_ptr); + if (in_dhcp_data->op != DHCP_OP_REQUEST) { static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); VLOG_WARN_RL(&rl, "Invalid opcode in the DHCP packet: %d", @@ -2095,58 +2589,11 @@ pinctrl_handle_put_dhcp_opts( goto exit; } - /* DHCP options follow the DHCP header. The first 4 bytes of the DHCP - * options is the DHCP magic cookie followed by the actual DHCP options. - */ - ovs_be32 magic_cookie = htonl(DHCP_MAGIC_COOKIE); - if (in_dhcp_ptr + sizeof magic_cookie > end || - get_unaligned_be32((const void *) in_dhcp_ptr) != magic_cookie) { - static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); - VLOG_WARN_RL(&rl, "DHCP magic cookie not present in the DHCP packet"); - goto exit; - } - in_dhcp_ptr += sizeof magic_cookie; - bool ipxe_req = false; const uint8_t *in_dhcp_msg_type = NULL; ovs_be32 request_ip = in_dhcp_data->ciaddr; - while (in_dhcp_ptr < end) { - const struct dhcp_opt_header *in_dhcp_opt = - (const struct dhcp_opt_header *)in_dhcp_ptr; - if (in_dhcp_opt->code == DHCP_OPT_END) { - break; - } - if (in_dhcp_opt->code == DHCP_OPT_PAD) { - in_dhcp_ptr += 1; - continue; - } - in_dhcp_ptr += sizeof *in_dhcp_opt; - if (in_dhcp_ptr > end) { - break; - } - in_dhcp_ptr += in_dhcp_opt->len; - if (in_dhcp_ptr > end) { - break; - } - - switch (in_dhcp_opt->code) { - case DHCP_OPT_MSG_TYPE: - if (in_dhcp_opt->len == 1) { - in_dhcp_msg_type = DHCP_OPT_PAYLOAD(in_dhcp_opt); - } - break; - case DHCP_OPT_REQ_IP: - if (in_dhcp_opt->len == 4) { - request_ip = get_unaligned_be32(DHCP_OPT_PAYLOAD(in_dhcp_opt)); - } - break; - case DHCP_OPT_ETHERBOOT: - ipxe_req = true; - break; - default: - break; - } - } + dhcp_parse_options(&in_dhcp_ptr, end, + &in_dhcp_msg_type, &request_ip, &ipxe_req, NULL, NULL, NULL); /* Check that the DHCP Message Type (opt 53) is present or not with * valid values - DHCP_MSG_DISCOVER or DHCP_MSG_REQUEST. @@ -2353,6 +2800,7 @@ pinctrl_handle_put_dhcp_opts( dhcp_data->yiaddr = 0; } + ovs_be32 magic_cookie = htonl(DHCP_MAGIC_COOKIE); dp_packet_put(&pkt_out, &magic_cookie, sizeof(ovs_be32)); uint16_t out_dhcp_opts_size = 12; @@ -3323,6 +3771,16 @@ process_packet_in(struct rconn *swconn, const struct ofp_header *msg) ovs_mutex_unlock(&pinctrl_mutex); break; + case ACTION_OPCODE_DHCP_RELAY_REQ_CHK: + pinctrl_handle_dhcp_relay_req_chk(swconn, &packet, &pin, + &userdata, &continuation); + break; + + case ACTION_OPCODE_DHCP_RELAY_RESP_CHK: + pinctrl_handle_dhcp_relay_resp_chk(swconn, &packet, &pin, + &userdata, &continuation); + break; + case ACTION_OPCODE_PUT_DHCP_OPTS: pinctrl_handle_put_dhcp_opts(swconn, &packet, &pin, &headers, &userdata, &continuation); diff --git a/lib/ovn-l7.h b/lib/ovn-l7.h index ad514a922..5eeb7c1a0 100644 --- a/lib/ovn-l7.h +++ b/lib/ovn-l7.h @@ -68,7 +68,9 @@ struct gen_opts_map { * OVN_DHCP_OPT_CODE_. */ #define OVN_DHCP_OPT_CODE_NETMASK 1 +#define OVN_DHCP_OPT_CODE_ROUTER_IP 3 #define OVN_DHCP_OPT_CODE_LEASE_TIME 51 +#define OVN_DHCP_OPT_CODE_SERVER_ID 54 #define OVN_DHCP_OPT_CODE_T1 58 #define OVN_DHCP_OPT_CODE_T2 59