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GET /api/patches/21294/?format=api
{ "id": 21294, "url": "https://patches.dpdk.org/api/patches/21294/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/2daae834c5ea6e137807fb74f48e06919f4d59d1.1488542158.git.pascal.mazon@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": "<2daae834c5ea6e137807fb74f48e06919f4d59d1.1488542158.git.pascal.mazon@6wind.com>", "list_archive_url": "https://inbox.dpdk.org/dev/2daae834c5ea6e137807fb74f48e06919f4d59d1.1488542158.git.pascal.mazon@6wind.com", "date": "2017-03-03T12:27:41", "name": "[dpdk-dev,4/4] net/tap: set MTU on the remote", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "74dbc5d4bb0e2b613b7003bb4438ed20e7662e12", "submitter": { "id": 657, "url": "https://patches.dpdk.org/api/people/657/?format=api", "name": "Pascal Mazon", "email": "pascal.mazon@6wind.com" }, "delegate": { "id": 319, "url": "https://patches.dpdk.org/api/users/319/?format=api", "username": "fyigit", "first_name": "Ferruh", "last_name": "Yigit", "email": "ferruh.yigit@amd.com" }, "mbox": "https://patches.dpdk.org/project/dpdk/patch/2daae834c5ea6e137807fb74f48e06919f4d59d1.1488542158.git.pascal.mazon@6wind.com/mbox/", "series": [], "comments": "https://patches.dpdk.org/api/patches/21294/comments/", "check": "fail", "checks": "https://patches.dpdk.org/api/patches/21294/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 AAB99F950;\n\tFri, 3 Mar 2017 13:29:06 +0100 (CET)", "from proxy.6wind.com (host.76.145.23.62.rev.coltfrance.com\n\t[62.23.145.76]) by dpdk.org (Postfix) with ESMTP id BD59A591E\n\tfor <dev@dpdk.org>; Fri, 3 Mar 2017 13:28:36 +0100 (CET)", "from 6wind.com (unknown [10.16.0.184])\n\tby proxy.6wind.com (Postfix) with SMTP id 1CAAB24D75;\n\tFri, 3 Mar 2017 13:28:31 +0100 (CET)", "by 6wind.com (sSMTP sendmail emulation);\n\tFri, 03 Mar 2017 13:28:29 +0100" ], "From": "Pascal Mazon <pascal.mazon@6wind.com>", "To": "keith.wiles@intel.com", "Cc": "dev@dpdk.org,\n\tPascal Mazon <pascal.mazon@6wind.com>", "Date": "Fri, 3 Mar 2017 13:27:41 +0100", "Message-Id": "<2daae834c5ea6e137807fb74f48e06919f4d59d1.1488542158.git.pascal.mazon@6wind.com>", "X-Mailer": "git-send-email 2.8.0.rc0", "In-Reply-To": "<cover.1488542158.git.pascal.mazon@6wind.com>", "References": "<cover.1488542158.git.pascal.mazon@6wind.com>", "Subject": "[dpdk-dev] [PATCH 4/4] net/tap: set MTU on the remote", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <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": "Signed-off-by: Pascal Mazon <pascal.mazon@6wind.com>\n---\n drivers/net/tap/rte_eth_tap.c | 29 +++++++++++++++++++++++------\n 1 file changed, 23 insertions(+), 6 deletions(-)", "diff": "diff --git a/drivers/net/tap/rte_eth_tap.c b/drivers/net/tap/rte_eth_tap.c\nindex 98b466aba223..141fc7944a5f 100644\n--- a/drivers/net/tap/rte_eth_tap.c\n+++ b/drivers/net/tap/rte_eth_tap.c\n@@ -823,9 +823,8 @@ tap_set_mc_addr_list(struct rte_eth_dev *dev __rte_unused,\n }\n \n static int\n-tap_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)\n+tap_netdev_mtu_set(const char *iface, uint16_t mtu)\n {\n-\tstruct pmd_internals *pmd = dev->data->dev_private;\n \tstruct ifreq ifr;\n \tint err, s;\n \n@@ -833,15 +832,15 @@ tap_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)\n \tif (s < 0) {\n \t\tRTE_LOG(ERR, PMD,\n \t\t\t\"Unable to get a socket for %s to set flags: %s\\n\",\n-\t\t\tpmd->name, strerror(errno));\n+\t\t\tiface, strerror(errno));\n \t\treturn -1;\n \t}\n \tmemset(&ifr, 0, sizeof(ifr));\n-\tstrncpy(ifr.ifr_name, pmd->name, IFNAMSIZ);\n+\tstrncpy(ifr.ifr_name, iface, IFNAMSIZ);\n \terr = ioctl(s, SIOCGIFMTU, &ifr);\n \tif (err < 0) {\n \t\tRTE_LOG(WARNING, PMD, \"Unable to get %s device MTU: %s\\n\",\n-\t\t\tpmd->name, strerror(errno));\n+\t\t\tiface, strerror(errno));\n \t\tclose(s);\n \t\treturn -1;\n \t}\n@@ -849,11 +848,29 @@ tap_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)\n \terr = ioctl(s, SIOCSIFMTU, &ifr);\n \tif (err < 0) {\n \t\tRTE_LOG(WARNING, PMD, \"Unable to set %s mtu %d: %s\\n\",\n-\t\t\tpmd->name, mtu, strerror(errno));\n+\t\t\tiface, mtu, strerror(errno));\n \t\tclose(s);\n \t\treturn -1;\n \t}\n \tclose(s);\n+\treturn 0;\n+}\n+\n+static int\n+tap_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)\n+{\n+\tstruct pmd_internals *pmd = dev->data->dev_private;\n+\tint err;\n+\n+\t/* First try to set mtu on the remote */\n+\tif (pmd->remote_if_index) {\n+\t\terr = tap_netdev_mtu_set(pmd->remote_iface, mtu);\n+\t\tif (err < 0)\n+\t\t\treturn err;\n+\t}\n+\terr = tap_netdev_mtu_set(pmd->name, mtu);\n+\tif (err < 0)\n+\t\treturn err;\n \tdev->data->mtu = mtu;\n \treturn 0;\n }\n", "prefixes": [ "dpdk-dev", "4/4" ] }