From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id 3648C5954 for ; Fri, 7 Aug 2015 18:06:55 +0200 (CEST) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga102.fm.intel.com with ESMTP; 07 Aug 2015 09:06:53 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,630,1432623600"; d="scan'208";a="621256226" Received: from pgsmsx103.gar.corp.intel.com ([10.221.44.82]) by orsmga003.jf.intel.com with ESMTP; 07 Aug 2015 09:06:53 -0700 Received: from shsmsx103.ccr.corp.intel.com (10.239.110.14) by PGSMSX103.gar.corp.intel.com (10.221.44.82) with Microsoft SMTP Server (TLS) id 14.3.224.2; Sat, 8 Aug 2015 00:06:52 +0800 Received: from shsmsx104.ccr.corp.intel.com ([169.254.5.45]) by SHSMSX103.ccr.corp.intel.com ([169.254.4.38]) with mapi id 14.03.0224.002; Sat, 8 Aug 2015 00:06:50 +0800 From: "Zhang, Helin" To: "Qiu, Michael" , "dev@dpdk.org" Thread-Topic: [dpdk-dev] [PATCH] testpmd: modify the mac of csum forwarding Thread-Index: AQHQ0MFsS7hGUtd0hU690hnHtNOYL54As4XQ Date: Fri, 7 Aug 2015 16:06:49 +0000 Message-ID: References: <1438918156-1259-1-git-send-email-michael.qiu@intel.com> In-Reply-To: <1438918156-1259-1-git-send-email-michael.qiu@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-dev] [PATCH] testpmd: modify the mac of csum forwarding 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: , X-List-Received-Date: Fri, 07 Aug 2015 16:06:55 -0000 > -----Original Message----- > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Michael Qiu > Sent: Thursday, August 6, 2015 8:29 PM > To: dev@dpdk.org > Subject: [dpdk-dev] [PATCH] testpmd: modify the mac of csum forwarding >=20 > For some ethnet-switch like intel RRC, all the packet forwarded out by DP= DK will > be dropped in switch side, so the packet generator will never receive the= packet. Is it because of anti-sproof? E.g. When the hardware found that the dest ma= c is the port itself, then it will be dropped during TX. You need to tell the root cause, and why we need to modify like this. >=20 > Signed-off-by: Michael Qiu > --- > app/test-pmd/csumonly.c | 4 ++++ > 1 file changed, 4 insertions(+) >=20 > diff --git a/app/test-pmd/csumonly.c b/app/test-pmd/csumonly.c index > 1bf3485..bf8af1d 100644 > --- a/app/test-pmd/csumonly.c > +++ b/app/test-pmd/csumonly.c > @@ -550,6 +550,10 @@ pkt_burst_checksum_forward(struct fwd_stream *fs) > * and inner headers */ >=20 > eth_hdr =3D rte_pktmbuf_mtod(m, struct ether_hdr *); > + ether_addr_copy(&peer_eth_addrs[fs->peer_addr], > + ð_hdr->d_addr); > + ether_addr_copy(&ports[fs->tx_port].eth_addr, > + ð_hdr->s_addr); Is it really necessary? Why other NICs do not need this? > parse_ethernet(eth_hdr, &info); > l3_hdr =3D (char *)eth_hdr + info.l2_len; >=20 > -- > 1.9.3