From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 82C0FA320B for ; Mon, 21 Oct 2019 12:52:54 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 86BF11BE97; Mon, 21 Oct 2019 12:52:53 +0200 (CEST) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by dpdk.org (Postfix) with ESMTP id 8137C1BE93 for ; Mon, 21 Oct 2019 12:52:51 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 Oct 2019 03:52:49 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,323,1566889200"; d="scan'208";a="209307697" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.10]) ([10.237.221.10]) by orsmga002.jf.intel.com with ESMTP; 21 Oct 2019 03:52:47 -0700 From: Ferruh Yigit To: Ting Xu , dev@dpdk.org Cc: wenzhuo.lu@intel.com, jingjing.wu@intel.com, bernard.iremonger@intel.com, olivier.matz@6wind.com References: <20191018160819.24678-1-ting.xu@intel.com> <20191021122913.35281-1-ting.xu@intel.com> Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; 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charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [PATCH v4] app/testpmd: enable GTP header parse and Tx checksum offload X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 10/21/2019 10:28 AM, Ferruh Yigit wrote: > On 10/21/2019 1:29 PM, Ting Xu wrote: >> This patch enables testpmd to forward GTP packet in csum fwd mode. >> GTP header structure (without optional fields and extension header) >> and parser function are added. GTPU and GTPC packets are both >> supported, with respective UDP destination port and GTP message >> type. >> >> Signed-off-by: Ting Xu >> >> --- >> v4: Move GTP header defination to rte_ether.h >> v3: correct coding style issue. >> v2: modify commit log >> depend on patch: lib/mbuf: add GTP tunnel type flag. >> --- >> app/test-pmd/csumonly.c | 96 ++++++++++++++++++++++++++++++++++---- >> lib/librte_net/rte_ether.h | 23 +++++++++ >> 2 files changed, 109 insertions(+), 10 deletions(-) > > <...> > >> --- a/lib/librte_net/rte_ether.h >> +++ b/lib/librte_net/rte_ether.h >> @@ -342,6 +342,29 @@ struct rte_vxlan_gpe_hdr { >> sizeof(struct rte_vxlan_gpe_hdr)) >> /**< VXLAN-GPE tunnel header length. */ >> >> +/** >> + * Simplified GTP protocol header. >> + * Contains 8-bit flag, 8-bit message type, >> + * 16-bit message length, 32-bit TEID. >> + * No optional fields and next extension header. >> + */ >> +struct rte_gtp_hdr { >> + uint8_t gtp_hdr_info; >> + uint8_t msg_type; >> + uint16_t msg_len; >> + uint32_t teid; >> +} __attribute__((__packed__)); >> + >> +/* GTP header length */ >> +#define RTE_ETHER_GTP_HLEN \ >> + (sizeof(struct rte_udp_hdr) + sizeof(struct rte_gtp_hdr)) >> +/* GTP next protocal type */ >> +#define RTE_GTP_TYPE_IPV4 0x40 >> +#define RTE_GTP_TYPE_IPV6 0x60 >> +/* GTP destination port number */ >> +#define RTE_GTPC_UDP_PORT 2123 >> +#define RTE_GTPU_UDP_PORT 2152 >> + >> /** >> * Extract VLAN tag information into mbuf >> * >> > > lgtm, @Oliver, any comment/objection on GTP part in rte_ether.h? > What about moving the defines to its own header, like rte_gtp? Is these defines part of the ether?