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{
    "id": 45175,
    "url": "https://patches.dpdk.org/api/patches/45175/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/patch/153765099681.29126.593839205381221133.stgit@T460/",
    "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",
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        "commit_url_format": ""
    },
    "msgid": "<153765099681.29126.593839205381221133.stgit@T460>",
    "list_archive_url": "https://inbox.dpdk.org/dev/153765099681.29126.593839205381221133.stgit@T460",
    "date": "2018-09-22T21:16:36",
    "name": "[v4,2/5] vhost: make message handling functions prepare the reply",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "f29e6e5ce10342942b0cf49db92d10119d1dc92b",
    "submitter": {
        "id": 1062,
        "url": "https://patches.dpdk.org/api/people/1062/?format=api",
        "name": "Nikolay Nikolaev",
        "email": "nicknickolaev@gmail.com"
    },
    "delegate": {
        "id": 2642,
        "url": "https://patches.dpdk.org/api/users/2642/?format=api",
        "username": "mcoquelin",
        "first_name": "Maxime",
        "last_name": "Coquelin",
        "email": "maxime.coquelin@redhat.com"
    },
    "mbox": "https://patches.dpdk.org/project/dpdk/patch/153765099681.29126.593839205381221133.stgit@T460/mbox/",
    "series": [
        {
            "id": 1455,
            "url": "https://patches.dpdk.org/api/series/1455/?format=api",
            "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=1455",
            "date": "2018-09-22T21:16:23",
            "name": "vhost: vhost_user.c code cleanup",
            "version": 4,
            "mbox": "https://patches.dpdk.org/series/1455/mbox/"
        }
    ],
    "comments": "https://patches.dpdk.org/api/patches/45175/comments/",
    "check": "success",
    "checks": "https://patches.dpdk.org/api/patches/45175/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@dpdk.org",
        "Delivered-To": "patchwork@dpdk.org",
        "Received": [
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        "X-Received": "by 2002:adf:ee11:: with SMTP id\n\ty17-v6mr3047948wrn.63.1537650998431; \n\tSat, 22 Sep 2018 14:16:38 -0700 (PDT)",
        "From": "Nikolay Nikolaev <nicknickolaev@gmail.com>",
        "To": "maxime.coquelin@redhat.com, tiwei.bie@intel.com, zhihong.wang@intel.com",
        "Cc": "dev@dpdk.org",
        "Date": "Sun, 23 Sep 2018 00:16:36 +0300",
        "Message-ID": "<153765099681.29126.593839205381221133.stgit@T460>",
        "In-Reply-To": "<153765091094.29126.1031571146095035538.stgit@T460>",
        "References": "<153765091094.29126.1031571146095035538.stgit@T460>",
        "User-Agent": "StGit/0.17.1-dirty",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain; charset=\"utf-8\"",
        "Content-Transfer-Encoding": "7bit",
        "Subject": "[dpdk-dev] [PATCH v4 2/5] vhost: make message handling functions\n\tprepare the reply",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.15",
        "Precedence": "list",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
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        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "As VhostUserMsg structure is reused to generate the reply, move the\nrelevant fields update into the respective message handling functions.\n\nSigned-off-by: Nikolay Nikolaev <nicknickolaev@gmail.com>\n---\n lib/librte_vhost/vhost_user.c |   24 ++++++++++++++++--------\n 1 file changed, 16 insertions(+), 8 deletions(-)",
    "diff": "diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c\nindex 505db3bfc..b20aa6adc 100644\n--- a/lib/librte_vhost/vhost_user.c\n+++ b/lib/librte_vhost/vhost_user.c\n@@ -146,11 +146,15 @@ vhost_user_reset_owner(struct virtio_net *dev)\n  * The features that we support are requested.\n  */\n static uint64_t\n-vhost_user_get_features(struct virtio_net *dev)\n+vhost_user_get_features(struct virtio_net *dev, VhostUserMsg *msg)\n {\n \tuint64_t features = 0;\n \n \trte_vhost_driver_get_features(dev->ifname, &features);\n+\n+\tmsg->payload.u64 = features;\n+\tmsg->size = sizeof(msg->payload.u64);\n+\n \treturn features;\n }\n \n@@ -158,11 +162,15 @@ vhost_user_get_features(struct virtio_net *dev)\n  * The queue number that we support are requested.\n  */\n static uint32_t\n-vhost_user_get_queue_num(struct virtio_net *dev)\n+vhost_user_get_queue_num(struct virtio_net *dev, VhostUserMsg *msg)\n {\n \tuint32_t queue_num = 0;\n \n \trte_vhost_driver_get_queue_num(dev->ifname, &queue_num);\n+\n+\tmsg->payload.u64 = (uint64_t)queue_num;\n+\tmsg->size = sizeof(msg->payload.u64);\n+\n \treturn queue_num;\n }\n \n@@ -1117,6 +1125,8 @@ vhost_user_get_vring_base(struct virtio_net *dev,\n \trte_free(vq->batch_copy_elems);\n \tvq->batch_copy_elems = NULL;\n \n+\tmsg->size = sizeof(msg->payload.state);\n+\n \treturn 0;\n }\n \n@@ -1244,6 +1254,8 @@ vhost_user_set_log_base(struct virtio_net *dev, struct VhostUserMsg *msg)\n \tdev->log_base = dev->log_addr + off;\n \tdev->log_size = size;\n \n+\tmsg->size = sizeof(msg->payload.u64);\n+\n \treturn 0;\n }\n \n@@ -1658,8 +1670,7 @@ vhost_user_msg_handler(int vid, int fd)\n \n \tswitch (msg.request.master) {\n \tcase VHOST_USER_GET_FEATURES:\n-\t\tmsg.payload.u64 = vhost_user_get_features(dev);\n-\t\tmsg.size = sizeof(msg.payload.u64);\n+\t\tvhost_user_get_features(dev, &msg);\n \t\tsend_vhost_reply(fd, &msg);\n \t\tbreak;\n \tcase VHOST_USER_SET_FEATURES:\n@@ -1690,7 +1701,6 @@ vhost_user_msg_handler(int vid, int fd)\n \t\tif (ret)\n \t\t\tgoto skip_to_reply;\n \t\t/* it needs a reply */\n-\t\tmsg.size = sizeof(msg.payload.u64);\n \t\tsend_vhost_reply(fd, &msg);\n \t\tbreak;\n \tcase VHOST_USER_SET_LOG_FD:\n@@ -1712,7 +1722,6 @@ vhost_user_msg_handler(int vid, int fd)\n \t\tret = vhost_user_get_vring_base(dev, &msg);\n \t\tif (ret)\n \t\t\tgoto skip_to_reply;\n-\t\tmsg.size = sizeof(msg.payload.state);\n \t\tsend_vhost_reply(fd, &msg);\n \t\tbreak;\n \n@@ -1730,8 +1739,7 @@ vhost_user_msg_handler(int vid, int fd)\n \t\tbreak;\n \n \tcase VHOST_USER_GET_QUEUE_NUM:\n-\t\tmsg.payload.u64 = (uint64_t)vhost_user_get_queue_num(dev);\n-\t\tmsg.size = sizeof(msg.payload.u64);\n+\t\tvhost_user_get_queue_num(dev, &msg);\n \t\tsend_vhost_reply(fd, &msg);\n \t\tbreak;\n \n",
    "prefixes": [
        "v4",
        "2/5"
    ]
}