From patchwork Thu Apr 16 03:55:50 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jijiang Liu X-Patchwork-Id: 4321 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id F347FC394; Thu, 16 Apr 2015 05:56:13 +0200 (CEST) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id A552CC37C for ; Thu, 16 Apr 2015 05:56:11 +0200 (CEST) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga101.fm.intel.com with ESMTP; 15 Apr 2015 20:56:10 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.11,585,1422950400"; d="scan'208";a="556882000" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by orsmga003.jf.intel.com with ESMTP; 15 Apr 2015 20:56:09 -0700 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id t3G3u7OK005188; Thu, 16 Apr 2015 11:56:07 +0800 Received: from shecgisg004.sh.intel.com (localhost [127.0.0.1]) by shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id t3G3u4XX028851; Thu, 16 Apr 2015 11:56:06 +0800 Received: (from jijiangl@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t3G3u4jj028844; Thu, 16 Apr 2015 11:56:04 +0800 From: Jijiang Liu To: dev@dpdk.org, walter.e.gilmore@intel.com, thomas.long@intel.com Date: Thu, 16 Apr 2015 11:55:50 +0800 Message-Id: <1429156558-28548-3-git-send-email-jijiang.liu@intel.com> X-Mailer: git-send-email 1.7.12.2 In-Reply-To: <1429156558-28548-1-git-send-email-jijiang.liu@intel.com> References: <1429156558-28548-1-git-send-email-jijiang.liu@intel.com> Subject: [dpdk-dev] [PATCH RFC 02/10] examples/tep_termination:define VXLAN device information and APIs X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Some basic VXLAN definations and APIs are added in this file, which include VXLAN device structure and the APIs for encapsulation and decapsulation. Signed-off-by: Jijiang Liu Signed-off-by: Thomas Long --- examples/tep_termination/main.c | 1 + examples/tep_termination/vxlan.h | 81 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 82 insertions(+), 0 deletions(-) create mode 100644 examples/tep_termination/vxlan.h diff --git a/examples/tep_termination/main.c b/examples/tep_termination/main.c index 2e36ad0..e58726f 100644 --- a/examples/tep_termination/main.c +++ b/examples/tep_termination/main.c @@ -52,6 +52,7 @@ #include #include "main.h" +#include "vxlan.h" /* the maximum number of external ports supported */ #define MAX_SUP_PORTS 1 diff --git a/examples/tep_termination/vxlan.h b/examples/tep_termination/vxlan.h new file mode 100644 index 0000000..96c68fb --- /dev/null +++ b/examples/tep_termination/vxlan.h @@ -0,0 +1,81 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2015 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _VXLAN_H_ +#define _VXLAN_H_ + +#define PORT_MIN 49152 +#define PORT_MAX 65535 +#define PORT_RANGE (PORT_MAX - PORT_MIN) + 1 + +#define VXLAN_N_PORTS 2 +#define VXLAN_FLAGS 0x00000008 +#define OUTER_VLAN_ID 100 + +struct vxlan_port +{ + uint32_t portid; /* VirtIO port id */ + uint32_t peerip; /* remote VTEP IP address */ + struct ether_addr peermac; /* remote VTEP MAC address */ + struct ether_addr portmac; /* VM MAC address */ +}; + +struct vxlan_conf +{ + uint16_t vxport; /* VXLAN UDP destination port */ + uint32_t portip; /* DPDK port IP address*/ + uint32_t in_key; /* VLAN ID */ + uint32_t out_key; /* VXLAN VNI */ + uint32_t portid; /* DPDK port id */ + struct vxlan_port port[VXLAN_N_PORTS]; /* VXLAN configuration */ +} __rte_cache_aligned; + +/* structure that caches offload info for the current packet */ +struct offload_info +{ + uint16_t ethertype; + uint8_t l2_len; + uint16_t l3_len; + uint8_t l4_len; + uint8_t l4_proto; + uint16_t outer_ethertype; + uint8_t outer_l2_len; + uint16_t outer_l3_len; + uint8_t outer_l4_len; + uint8_t outer_l4_proto; +}__rte_cache_aligned; + +int decapsulation(struct rte_mbuf *pkt); +int encapsulation(struct rte_mbuf *m, uint8_t portid); + +#endif /* _MAIN_H_ */