Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/patches/75309/?format=api
{ "id": 75309, "url": "http://patches.dpdk.org/api/patches/75309/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20200807155859.63888-13-ciara.power@intel.com/", "project": { "id": 1, "url": "http://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": "<20200807155859.63888-13-ciara.power@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20200807155859.63888-13-ciara.power@intel.com", "date": "2020-08-07T15:58:59", "name": "[20.11,12/12] net/virtio: add checks for max SIMD bitwidth", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "7ee0cd4730139419201fd306ce473f2895d66f8c", "submitter": { "id": 978, "url": "http://patches.dpdk.org/api/people/978/?format=api", "name": "Power, Ciara", "email": "ciara.power@intel.com" }, "delegate": { "id": 24651, "url": "http://patches.dpdk.org/api/users/24651/?format=api", "username": "dmarchand", "first_name": "David", "last_name": "Marchand", "email": "david.marchand@redhat.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20200807155859.63888-13-ciara.power@intel.com/mbox/", "series": [ { "id": 11550, "url": "http://patches.dpdk.org/api/series/11550/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=11550", "date": "2020-08-07T15:58:47", "name": "add max SIMD bitwidth to EAL", "version": 1, "mbox": "http://patches.dpdk.org/series/11550/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/75309/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/75309/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 52233A04B0;\n\tFri, 7 Aug 2020 18:08:45 +0200 (CEST)", "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id A9A8C1C124;\n\tFri, 7 Aug 2020 18:06:47 +0200 (CEST)", "from mga01.intel.com (mga01.intel.com [192.55.52.88])\n by dpdk.org (Postfix) with ESMTP id F12281C114\n for <dev@dpdk.org>; Fri, 7 Aug 2020 18:06:43 +0200 (CEST)", "from fmsmga007.fm.intel.com ([10.253.24.52])\n by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 07 Aug 2020 09:06:43 -0700", "from silpixa00399953.ir.intel.com (HELO\n silpixa00399953.ger.corp.intel.com) ([10.237.222.53])\n by fmsmga007.fm.intel.com with ESMTP; 07 Aug 2020 09:06:42 -0700" ], "IronPort-SDR": [ "\n +H19uhUAJelE8k5Jd7pX7e6NLWq5w/qwzP/qtNkDHnnEoC4+8zCLGDbeT9aSuKR7q8qqdz3/Ws\n zmUN+4imRDsg==", "\n EkQbVMMA/Xn3WWo2cNPwJ/s+rAGNcI+ET54fgC44tj+rPvi15pLrfr/i1H/y4hQMgKIf8tiEUQ\n TMD50cXtn/ag==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6000,8403,9705\"; a=\"171183160\"", "E=Sophos;i=\"5.75,446,1589266800\"; d=\"scan'208\";a=\"171183160\"", "E=Sophos;i=\"5.75,446,1589266800\"; d=\"scan'208\";a=\"275407949\"" ], "X-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "X-ExtLoop1": "1", "From": "Ciara Power <ciara.power@intel.com>", "To": "dev@dpdk.org", "Cc": "bruce.richardson@intel.com, Ciara Power <ciara.power@intel.com>,\n Maxime Coquelin <maxime.coquelin@redhat.com>,\n Chenbo Xia <chenbo.xia@intel.com>, Zhihong Wang <zhihong.wang@intel.com>", "Date": "Fri, 7 Aug 2020 16:58:59 +0100", "Message-Id": "<20200807155859.63888-13-ciara.power@intel.com>", "X-Mailer": "git-send-email 2.17.1", "In-Reply-To": "<20200807155859.63888-1-ciara.power@intel.com>", "References": "<20200807155859.63888-1-ciara.power@intel.com>", "Subject": "[dpdk-dev] [PATCH 20.11 12/12] net/virtio: add checks for max SIMD\n\tbitwidth", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "When choosing a vector path to take, an extra condition must be\nsatisfied to ensure the max SIMD bitwidth allows for the CPU enabled\npath.\n\nCc: Maxime Coquelin <maxime.coquelin@redhat.com>\nCc: Chenbo Xia <chenbo.xia@intel.com>\nCc: Zhihong Wang <zhihong.wang@intel.com>\n\nSigned-off-by: Ciara Power <ciara.power@intel.com>\n---\n drivers/net/virtio/virtio_ethdev.c | 12 ++++++++----\n 1 file changed, 8 insertions(+), 4 deletions(-)", "diff": "diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c\nindex dc0093bdf0..f779ce8396 100644\n--- a/drivers/net/virtio/virtio_ethdev.c\n+++ b/drivers/net/virtio/virtio_ethdev.c\n@@ -1517,9 +1517,11 @@ set_rxtx_funcs(struct rte_eth_dev *eth_dev)\n \tif (vtpci_packed_queue(hw)) {\n \t\tPMD_INIT_LOG(INFO,\n \t\t\t\"virtio: using packed ring %s Tx path on port %u\",\n-\t\t\thw->use_vec_tx ? \"vectorized\" : \"standard\",\n+\t\t\t(hw->use_vec_tx && rte_get_max_simd_bitwidth()\n+\t\t\t> RTE_MAX_256_SIMD) ? \"vectorized\" : \"standard\",\n \t\t\teth_dev->data->port_id);\n-\t\tif (hw->use_vec_tx)\n+\t\tif (hw->use_vec_tx && rte_get_max_simd_bitwidth()\n+\t\t\t\t> RTE_MAX_256_SIMD)\n \t\t\teth_dev->tx_pkt_burst = virtio_xmit_pkts_packed_vec;\n \t\telse\n \t\t\teth_dev->tx_pkt_burst = virtio_xmit_pkts_packed;\n@@ -1536,7 +1538,8 @@ set_rxtx_funcs(struct rte_eth_dev *eth_dev)\n \t}\n \n \tif (vtpci_packed_queue(hw)) {\n-\t\tif (hw->use_vec_rx) {\n+\t\tif (hw->use_vec_rx && rte_get_max_simd_bitwidth()\n+\t\t\t\t> RTE_MAX_256_SIMD) {\n \t\t\tPMD_INIT_LOG(INFO,\n \t\t\t\t\"virtio: using packed ring vectorized Rx path on port %u\",\n \t\t\t\teth_dev->data->port_id);\n@@ -1555,7 +1558,8 @@ set_rxtx_funcs(struct rte_eth_dev *eth_dev)\n \t\t\teth_dev->rx_pkt_burst = &virtio_recv_pkts_packed;\n \t\t}\n \t} else {\n-\t\tif (hw->use_vec_rx) {\n+\t\tif (hw->use_vec_rx && rte_get_max_simd_bitwidth()\n+\t\t\t\t>= RTE_MAX_128_SIMD) {\n \t\t\tPMD_INIT_LOG(INFO, \"virtio: using vectorized Rx path on port %u\",\n \t\t\t\teth_dev->data->port_id);\n \t\t\teth_dev->rx_pkt_burst = virtio_recv_pkts_vec;\n", "prefixes": [ "20.11", "12/12" ] }