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GET /api/patches/133961/?format=api
{ "id": 133961, "url": "http://patches.dpdk.org/api/patches/133961/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20231107234207.643574-1-joshwash@google.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": "<20231107234207.643574-1-joshwash@google.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20231107234207.643574-1-joshwash@google.com", "date": "2023-11-07T23:41:40", "name": "ethdev: account for smaller MTU when setting default", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "f170bd93b5579f270e5a79114f64c0e48bdc45f7", "submitter": { "id": 2921, "url": "http://patches.dpdk.org/api/people/2921/?format=api", "name": "Joshua Washington", "email": "joshwash@google.com" }, "delegate": { "id": 319, "url": "http://patches.dpdk.org/api/users/319/?format=api", "username": "fyigit", "first_name": "Ferruh", "last_name": "Yigit", "email": "ferruh.yigit@amd.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20231107234207.643574-1-joshwash@google.com/mbox/", "series": [ { "id": 30194, "url": "http://patches.dpdk.org/api/series/30194/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=30194", "date": "2023-11-07T23:41:40", "name": "ethdev: account for smaller MTU when setting default", "version": 1, "mbox": "http://patches.dpdk.org/series/30194/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/133961/comments/", "check": "warning", "checks": "http://patches.dpdk.org/api/patches/133961/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 mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id CF8E0432CC;\n\tWed, 8 Nov 2023 00:42:25 +0100 (CET)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 9AB03410E3;\n\tWed, 8 Nov 2023 00:42:25 +0100 (CET)", "from mail-yw1-f201.google.com (mail-yw1-f201.google.com\n [209.85.128.201])\n by mails.dpdk.org (Postfix) with ESMTP id 5896E40041\n for <dev@dpdk.org>; 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Tue, 07 Nov\n 2023 15:42:23 -0800 (PST)", "Date": "Tue, 7 Nov 2023 15:41:40 -0800", "Mime-Version": "1.0", "X-Mailer": "git-send-email 2.42.0.869.gea05f2083d-goog", "Message-ID": "<20231107234207.643574-1-joshwash@google.com>", "Subject": "[PATCH] ethdev: account for smaller MTU when setting default", "From": "Joshua Washington <joshwash@google.com>", "To": "Thomas Monjalon <thomas@monjalon.net>,\n Ferruh Yigit <ferruh.yigit@amd.com>,\n Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>,\n Rosen Xu <rosen.xu@intel.com>,\n Ajit Khaparde <ajit.khaparde@broadcom.com>,\n Somnath Kotur <somnath.kotur@broadcom.com>,\n Huisong Li <lihuisong@huawei.com>", "Cc": "dev@dpdk.org, Rushil Gupta <rushilg@google.com>,\n Joshua Washington <joshwash@google.com>", "Content-Type": "text/plain; charset=\"UTF-8\"", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "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" }, "content": "Currently, if not specified in the user configuration,\nrte_eth_dev_configure() sets the MTU of the device to RTE_EHTER_MTU.\nThis value could potentially be larger than the MTU that the device\nsupports. This change updates the configured MTU to be the minimum of\nthe maximum suported MTU and the default DPDK MTU.\n\nFixes: 1bb4a528c4 (\"ethdev: fix max Rx packet length\")\nSigned-off-by: Joshua Washington <joshwash@google.com>\nSigned-off-by: Rushil Gupta <rushilg@google.com>\n---\n lib/ethdev/rte_ethdev.c | 3 ++-\n 1 file changed, 2 insertions(+), 1 deletion(-)", "diff": "diff --git a/lib/ethdev/rte_ethdev.c b/lib/ethdev/rte_ethdev.c\nindex 9163ef47ea..bba94311d3 100644\n--- a/lib/ethdev/rte_ethdev.c\n+++ b/lib/ethdev/rte_ethdev.c\n@@ -1419,7 +1419,8 @@ rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,\n \t}\n \n \tif (dev_conf->rxmode.mtu == 0)\n-\t\tdev->data->dev_conf.rxmode.mtu = RTE_ETHER_MTU;\n+\t\tdev->data->dev_conf.rxmode.mtu\n+\t\t\t= RTE_MIN(RTE_ETHER_MTU, dev_info.max_mtu);\n \n \tret = eth_dev_validate_mtu(port_id, &dev_info,\n \t\t\tdev->data->dev_conf.rxmode.mtu);\n", "prefixes": [] }