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GET /api/patches/1407/?format=api
{ "id": 1407, "url": "https://patches.dpdk.org/api/patches/1407/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/1416524335-22753-14-git-send-email-olivier.matz@6wind.com/", "project": { "id": 1, "url": "https://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<1416524335-22753-14-git-send-email-olivier.matz@6wind.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1416524335-22753-14-git-send-email-olivier.matz@6wind.com", "date": "2014-11-20T22:58:55", "name": "[dpdk-dev,v3,13/13] testpmd: add a verbose mode csum forward engine", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "7338118a8a042587e5b35b1ba5961361bd2f86f7", "submitter": { "id": 8, "url": "https://patches.dpdk.org/api/people/8/?format=api", "name": "Olivier Matz", "email": "olivier.matz@6wind.com" }, "delegate": null, "mbox": "https://patches.dpdk.org/project/dpdk/patch/1416524335-22753-14-git-send-email-olivier.matz@6wind.com/mbox/", "series": [], "comments": "https://patches.dpdk.org/api/patches/1407/comments/", "check": "pending", "checks": "https://patches.dpdk.org/api/patches/1407/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [IPv6:::1])\n\tby dpdk.org (Postfix) with ESMTP id F29377FFE;\n\tThu, 20 Nov 2014 23:48:55 +0100 (CET)", "from mail-wi0-f174.google.com (mail-wi0-f174.google.com\n\t[209.85.212.174]) by dpdk.org (Postfix) with ESMTP id C68EB7F7C\n\tfor <dev@dpdk.org>; Thu, 20 Nov 2014 23:48:46 +0100 (CET)", "by mail-wi0-f174.google.com with SMTP id h11so10318868wiw.13\n\tfor <dev@dpdk.org>; Thu, 20 Nov 2014 14:59:18 -0800 (PST)", "from glumotte.dev.6wind.com (guy78-3-82-239-227-177.fbx.proxad.net.\n\t[82.239.227.177]) by mx.google.com with ESMTPSA id\n\tcz3sm5380581wjb.23.2014.11.20.14.59.17 for <multiple recipients>\n\t(version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128);\n\tThu, 20 Nov 2014 14:59:17 -0800 (PST)" ], "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20130820;\n\th=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to\n\t:references;\n\tbh=Tw41PW2FUV0shn46qjpj5v94US4PgVirRgcd7y1Ebdg=;\n\tb=lhReBlYEHMw6kmt+FCtAT2A/86blQupJq5fENMqp/RDG7d2Cxojo8JoIZqlMLncN+k\n\thPgzP0niFXU5sMReCqYIrnj0GIsTHmtR0tEVUim33km0C2Sk035DkGOy83knElFmD8Ta\n\t5y1taCVF8ae1QoWHs4H2ulQaW4rFdlZV/M5WeFiWWuyaxV6U9KyrFcX1yCYi0AHOoMIe\n\tD2bClZG5KSBt5Fza9/HVtb4wjTem+hU9XgR83io4Rdaz8va9XkHhvyD4oqQUf+44hyhi\n\t4t3jfDPdkApmvR9g2hVPJiYfDY8+eIJErbR2ZTetWJxvNudr4SftFVq73SRLUf7yWGqj\n\toy7A==", "X-Gm-Message-State": "ALoCoQl+e7ZMsUX8BFR23BRMu66BLEHtb3Zerwj/keqWk8cWcaZb53an5i/MpW05/q8qLp4pRp5i", "X-Received": "by 10.194.71.84 with SMTP id s20mr1329527wju.128.1416524358393; \n\tThu, 20 Nov 2014 14:59:18 -0800 (PST)", "From": "Olivier Matz <olivier.matz@6wind.com>", "To": "dev@dpdk.org", "Date": "Thu, 20 Nov 2014 23:58:55 +0100", "Message-Id": "<1416524335-22753-14-git-send-email-olivier.matz@6wind.com>", "X-Mailer": "git-send-email 2.1.0", "In-Reply-To": "<1416524335-22753-1-git-send-email-olivier.matz@6wind.com>", "References": "<1415984609-2484-1-git-send-email-olivier.matz@6wind.com>\n\t<1416524335-22753-1-git-send-email-olivier.matz@6wind.com>", "Cc": "jigsaw@gmail.com", "Subject": "[dpdk-dev] [PATCH v3 13/13] testpmd: add a verbose mode csum\n\tforward engine", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "patches and discussions about DPDK <dev.dpdk.org>", "List-Unsubscribe": "<http://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://dpdk.org/ml/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<http://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "If the user specifies 'set verbose 1' in testpmd command line,\nthe csum forward engine will dump some informations about received\nand transmitted packets, especially which flags are set and what\nvalues are assigned to l2_len, l3_len, l4_len and tso_segsz.\n\nThis can help someone implementing TSO or hardware checksum offload to\nunderstand how to configure the mbufs.\n\nExample of output for one packet:\n\n --------------\n rx: l2_len=14 ethertype=800 l3_len=20 l4_proto=6 l4_len=20\n tx: m->l2_len=14 m->l3_len=20 m->l4_len=20\n tx: m->tso_segsz=800\n tx: flags=PKT_TX_IP_CKSUM PKT_TX_TCP_SEG\n --------------\n\nSigned-off-by: Olivier Matz <olivier.matz@6wind.com>\n---\n app/test-pmd/csumonly.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++\n 1 file changed, 51 insertions(+)", "diff": "diff --git a/app/test-pmd/csumonly.c b/app/test-pmd/csumonly.c\nindex ec9555f..72b984c 100644\n--- a/app/test-pmd/csumonly.c\n+++ b/app/test-pmd/csumonly.c\n@@ -467,6 +467,57 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)\n \t\tm->tso_segsz = tso_segsz;\n \t\tm->ol_flags = ol_flags;\n \n+\t\t/* if verbose mode is enabled, dump debug info */\n+\t\tif (verbose_level > 0) {\n+\t\t\tstruct {\n+\t\t\t\tuint64_t flag;\n+\t\t\t\tuint64_t mask;\n+\t\t\t} tx_flags[] = {\n+\t\t\t\t{ PKT_TX_IP_CKSUM, PKT_TX_IP_CKSUM },\n+\t\t\t\t{ PKT_TX_UDP_CKSUM, PKT_TX_L4_MASK },\n+\t\t\t\t{ PKT_TX_TCP_CKSUM, PKT_TX_L4_MASK },\n+\t\t\t\t{ PKT_TX_SCTP_CKSUM, PKT_TX_L4_MASK },\n+\t\t\t\t{ PKT_TX_VXLAN_CKSUM, PKT_TX_VXLAN_CKSUM },\n+\t\t\t\t{ PKT_TX_TCP_SEG, PKT_TX_TCP_SEG },\n+\t\t\t};\n+\t\t\tunsigned j;\n+\t\t\tconst char *name;\n+\n+\t\t\tprintf(\"-----------------\\n\");\n+\t\t\t/* dump rx parsed packet info */\n+\t\t\tprintf(\"rx: l2_len=%d ethertype=%x l3_len=%d \"\n+\t\t\t\t\"l4_proto=%d l4_len=%d\\n\",\n+\t\t\t\tl2_len, rte_be_to_cpu_16(ethertype),\n+\t\t\t\tl3_len, l4_proto, l4_len);\n+\t\t\tif (tunnel == 1)\n+\t\t\t\tprintf(\"rx: outer_l2_len=%d outer_ethertype=%x \"\n+\t\t\t\t\t\"outer_l3_len=%d\\n\", outer_l2_len,\n+\t\t\t\t\trte_be_to_cpu_16(outer_ethertype),\n+\t\t\t\t\touter_l3_len);\n+\t\t\t/* dump tx packet info */\n+\t\t\tif ((testpmd_ol_flags & (TESTPMD_TX_OFFLOAD_IP_CKSUM |\n+\t\t\t\t\t\tTESTPMD_TX_OFFLOAD_UDP_CKSUM |\n+\t\t\t\t\t\tTESTPMD_TX_OFFLOAD_TCP_CKSUM |\n+\t\t\t\t\t\tTESTPMD_TX_OFFLOAD_SCTP_CKSUM)) ||\n+\t\t\t\ttso_segsz != 0)\n+\t\t\t\tprintf(\"tx: m->l2_len=%d m->l3_len=%d \"\n+\t\t\t\t\t\"m->l4_len=%d\\n\",\n+\t\t\t\t\tm->l2_len, m->l3_len, m->l4_len);\n+\t\t\tif ((tunnel == 1) &&\n+\t\t\t\t(testpmd_ol_flags & TESTPMD_TX_OFFLOAD_VXLAN_CKSUM))\n+\t\t\t\tprintf(\"tx: m->inner_l2_len=%d m->inner_l3_len=%d\\n\",\n+\t\t\t\t\tm->inner_l2_len, m->inner_l3_len);\n+\t\t\tif (tso_segsz != 0)\n+\t\t\t\tprintf(\"tx: m->tso_segsz=%d\\n\", m->tso_segsz);\n+\t\t\tprintf(\"tx: flags=\");\n+\t\t\tfor (j = 0; j < sizeof(tx_flags)/sizeof(*tx_flags); j++) {\n+\t\t\t\tname = rte_get_tx_ol_flag_name(tx_flags[j].flag);\n+\t\t\t\tif ((m->ol_flags & tx_flags[j].mask) ==\n+\t\t\t\t\ttx_flags[j].flag)\n+\t\t\t\t\tprintf(\"%s \", name);\n+\t\t\t}\n+\t\t\tprintf(\"\\n\");\n+\t\t}\n \t}\n \tnb_tx = rte_eth_tx_burst(fs->tx_port, fs->tx_queue, pkts_burst, nb_rx);\n \tfs->tx_packets += nb_tx;\n", "prefixes": [ "dpdk-dev", "v3", "13/13" ] }