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GET /api/patches/1208/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 1208,
    "url": "https://patches.dpdk.org/api/patches/1208/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/patch/1415371867-3730-1-git-send-email-thomas.monjalon@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": "<1415371867-3730-1-git-send-email-thomas.monjalon@6wind.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1415371867-3730-1-git-send-email-thomas.monjalon@6wind.com",
    "date": "2014-11-07T14:51:07",
    "name": "[dpdk-dev] kni: fix build",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "353c7d81b64a8dcc1843fc9870ebfa0a4c774bcb",
    "submitter": {
        "id": 1,
        "url": "https://patches.dpdk.org/api/people/1/?format=api",
        "name": "Thomas Monjalon",
        "email": "thomas.monjalon@6wind.com"
    },
    "delegate": null,
    "mbox": "https://patches.dpdk.org/project/dpdk/patch/1415371867-3730-1-git-send-email-thomas.monjalon@6wind.com/mbox/",
    "series": [],
    "comments": "https://patches.dpdk.org/api/patches/1208/comments/",
    "check": "pending",
    "checks": "https://patches.dpdk.org/api/patches/1208/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 6DA9A7F50;\n\tFri,  7 Nov 2014 15:43:28 +0100 (CET)",
            "from mail-wg0-f51.google.com (mail-wg0-f51.google.com\n\t[74.125.82.51]) by dpdk.org (Postfix) with ESMTP id 3F1067F4D\n\tfor <dev@dpdk.org>; Fri,  7 Nov 2014 15:43:27 +0100 (CET)",
            "by mail-wg0-f51.google.com with SMTP id l18so3889942wgh.38\n\tfor <dev@dpdk.org>; Fri, 07 Nov 2014 06:52:59 -0800 (PST)",
            "from localhost.localdomain (136-92-190-109.dsl.ovh.fr.\n\t[109.190.92.136]) by mx.google.com with ESMTPSA id\n\t10sm12072606wjs.21.2014.11.07.06.52.57 for <multiple recipients>\n\t(version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128);\n\tFri, 07 Nov 2014 06:52:58 -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;\n\tbh=TLo8HXdpWTVbWgA516CShNh3TboRvI63fgeLLDh/MXQ=;\n\tb=CrYW8VjClKAbPSvWcXJcBrpwHyNBE5Sgid/Xm7CJOmOWUVza8g9U5qrk+vRAuyNYwW\n\tfs79V+vA9ktsl+4o48CULmKVQTsvH/bRiN9GWmUzMDDJSS+PB0jVi0T/3N0WnXutAX/P\n\t1RFm0Sq7onoDQ2ukpohSpoEF7pnywPqEiEazsExN3UtQ11hgAt7kZ/ufKHq6l5flHCmi\n\tBJzXGZKNv7vRBYKjLhif59J1cgONpsO3+CcO8zMdmhANY5RqQz3miWPMy6a0t6N6kLtI\n\tlQaBbXOinYbhyI1xVvJjvhlwrGbiSPThKYvf5IzGKapG4KyVFAZf7IvXOMMmDQRXiDX8\n\tcCYA==",
        "X-Gm-Message-State": "ALoCoQlZw8kwkxA2qihYxeSghKJZCA/QVvSiu02+DoxQXNh0/Lf6DZhJdki2zj1QutNYyPZamqXo",
        "X-Received": "by 10.194.76.202 with SMTP id m10mr17208102wjw.42.1415371979469; \n\tFri, 07 Nov 2014 06:52:59 -0800 (PST)",
        "From": "Thomas Monjalon <thomas.monjalon@6wind.com>",
        "To": "dev@dpdk.org",
        "Date": "Fri,  7 Nov 2014 15:51:07 +0100",
        "Message-Id": "<1415371867-3730-1-git-send-email-thomas.monjalon@6wind.com>",
        "X-Mailer": "git-send-email 2.1.3",
        "Subject": "[dpdk-dev] [PATCH] kni: fix build",
        "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": "Since commit 08b563ffb19 (\"mbuf: replace data pointer by an offset\"),\nKNI vhost compilation (CONFIG_RTE_KNI_VHOST=y) was broken.\n\nrte_pktmbuf_mtod() is not used in the kernel context but is replaced\nby a simple addition of the base address and the offset.\n\nSigned-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>\n---\n lib/librte_eal/linuxapp/kni/kni_vhost.c | 5 +++--\n 1 file changed, 3 insertions(+), 2 deletions(-)",
    "diff": "diff --git a/lib/librte_eal/linuxapp/kni/kni_vhost.c b/lib/librte_eal/linuxapp/kni/kni_vhost.c\nindex fe512c2..7bcc985 100644\n--- a/lib/librte_eal/linuxapp/kni/kni_vhost.c\n+++ b/lib/librte_eal/linuxapp/kni/kni_vhost.c\n@@ -104,7 +104,8 @@ kni_vhost_net_tx(struct kni_dev *kni, struct iovec *iov,\n \t\tvoid *data_kva;\n \n \t\tpkt_kva = (void *)pkt_va - kni->mbuf_va + kni->mbuf_kva;\n-\t\tdata_kva = pkt_kva->data - kni->mbuf_va + kni->mbuf_kva;\n+\t\tdata_kva = pkt_kva->buf_addr + pkt_kva->data_off\n+\t\t           - kni->mbuf_va + kni->mbuf_kva;\n \n \t\tmemcpy_fromiovecend(data_kva, iov, offset, len);\n \t\tif (unlikely(len < ETH_ZLEN)) {\n@@ -177,7 +178,7 @@ kni_vhost_net_rx(struct kni_dev *kni, struct iovec *iov,\n \tKNI_DBG_RX(\"rx offset=%d, len=%d, pkt_len=%d, iovlen=%d\\n\",\n \t\t   offset, len, pkt_len, (int)iov->iov_len);\n \n-\tdata_kva = kva->data - kni->mbuf_va + kni->mbuf_kva;\n+\tdata_kva = kva->buf_addr + kva->data_off - kni->mbuf_va + kni->mbuf_kva;\n \tif (unlikely(memcpy_toiovecend(iov, data_kva, offset, pkt_len)))\n \t\tgoto drop;\n \n",
    "prefixes": [
        "dpdk-dev"
    ]
}