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{
    "id": 8461,
    "url": "https://patches.dpdk.org/api/patches/8461/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/patch/1446231162-8075-11-git-send-email-adrien.mazarguil@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": "<1446231162-8075-11-git-send-email-adrien.mazarguil@6wind.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1446231162-8075-11-git-send-email-adrien.mazarguil@6wind.com",
    "date": "2015-10-30T18:52:39",
    "name": "[dpdk-dev,v2,10/13] mlx5: add flow control device operations",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "75177af8a9f7fe4fb63ad7cdd6ac288666aa73ed",
    "submitter": {
        "id": 165,
        "url": "https://patches.dpdk.org/api/people/165/?format=api",
        "name": "Adrien Mazarguil",
        "email": "adrien.mazarguil@6wind.com"
    },
    "delegate": null,
    "mbox": "https://patches.dpdk.org/project/dpdk/patch/1446231162-8075-11-git-send-email-adrien.mazarguil@6wind.com/mbox/",
    "series": [],
    "comments": "https://patches.dpdk.org/api/patches/8461/comments/",
    "check": "pending",
    "checks": "https://patches.dpdk.org/api/patches/8461/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 1E8B2924F;\n\tFri, 30 Oct 2015 19:53:55 +0100 (CET)",
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        ],
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        "X-Received": "by 10.28.93.145 with SMTP id r139mr5020241wmb.20.1446231216664; \n\tFri, 30 Oct 2015 11:53:36 -0700 (PDT)",
        "From": "Adrien Mazarguil <adrien.mazarguil@6wind.com>",
        "To": "dev@dpdk.org",
        "Date": "Fri, 30 Oct 2015 19:52:39 +0100",
        "Message-Id": "<1446231162-8075-11-git-send-email-adrien.mazarguil@6wind.com>",
        "X-Mailer": "git-send-email 2.1.0",
        "In-Reply-To": "<1446231162-8075-1-git-send-email-adrien.mazarguil@6wind.com>",
        "References": "<1444067589-29513-1-git-send-email-adrien.mazarguil@6wind.com>\n\t<1446231162-8075-1-git-send-email-adrien.mazarguil@6wind.com>",
        "Subject": "[dpdk-dev] [PATCH v2 10/13] mlx5: add flow control device operations",
        "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": "Like most other device control operations, those are handled by the related\nkernel network device through syscalls.\n\nSigned-off-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>\nSigned-off-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>\n---\n drivers/net/mlx5/mlx5.c        |  2 +\n drivers/net/mlx5/mlx5.h        |  2 +\n drivers/net/mlx5/mlx5_ethdev.c | 99 ++++++++++++++++++++++++++++++++++++++++++\n 3 files changed, 103 insertions(+)",
    "diff": "diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c\nindex 5ed828d..c454e93 100644\n--- a/drivers/net/mlx5/mlx5.c\n+++ b/drivers/net/mlx5/mlx5.c\n@@ -145,6 +145,8 @@ static const struct eth_dev_ops mlx5_dev_ops = {\n \t.tx_queue_setup = mlx5_tx_queue_setup,\n \t.rx_queue_release = mlx5_rx_queue_release,\n \t.tx_queue_release = mlx5_tx_queue_release,\n+\t.flow_ctrl_get = mlx5_dev_get_flow_ctrl,\n+\t.flow_ctrl_set = mlx5_dev_set_flow_ctrl,\n \t.mac_addr_remove = mlx5_mac_addr_remove,\n \t.mac_addr_add = mlx5_mac_addr_add,\n \t.mtu_set = mlx5_dev_set_mtu,\ndiff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h\nindex 1a18326..c6c3d3f 100644\n--- a/drivers/net/mlx5/mlx5.h\n+++ b/drivers/net/mlx5/mlx5.h\n@@ -166,6 +166,8 @@ int mlx5_dev_configure(struct rte_eth_dev *);\n void mlx5_dev_infos_get(struct rte_eth_dev *, struct rte_eth_dev_info *);\n int mlx5_link_update(struct rte_eth_dev *, int);\n int mlx5_dev_set_mtu(struct rte_eth_dev *, uint16_t);\n+int mlx5_dev_get_flow_ctrl(struct rte_eth_dev *, struct rte_eth_fc_conf *);\n+int mlx5_dev_set_flow_ctrl(struct rte_eth_dev *, struct rte_eth_fc_conf *);\n int mlx5_ibv_device_to_pci_addr(const struct ibv_device *,\n \t\t\t\tstruct rte_pci_addr *);\n \ndiff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c\nindex d01dee5..5df5fa1 100644\n--- a/drivers/net/mlx5/mlx5_ethdev.c\n+++ b/drivers/net/mlx5/mlx5_ethdev.c\n@@ -695,6 +695,105 @@ out:\n }\n \n /**\n+ * DPDK callback to get flow control status.\n+ *\n+ * @param dev\n+ *   Pointer to Ethernet device structure.\n+ * @param[out] fc_conf\n+ *   Flow control output buffer.\n+ *\n+ * @return\n+ *   0 on success, negative errno value on failure.\n+ */\n+int\n+mlx5_dev_get_flow_ctrl(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)\n+{\n+\tstruct priv *priv = dev->data->dev_private;\n+\tstruct ifreq ifr;\n+\tstruct ethtool_pauseparam ethpause = {\n+\t\t.cmd = ETHTOOL_GPAUSEPARAM\n+\t};\n+\tint ret;\n+\n+\tifr.ifr_data = &ethpause;\n+\tpriv_lock(priv);\n+\tif (priv_ifreq(priv, SIOCETHTOOL, &ifr)) {\n+\t\tret = errno;\n+\t\tWARN(\"ioctl(SIOCETHTOOL, ETHTOOL_GPAUSEPARAM)\"\n+\t\t     \" failed: %s\",\n+\t\t     strerror(ret));\n+\t\tgoto out;\n+\t}\n+\n+\tfc_conf->autoneg = ethpause.autoneg;\n+\tif (ethpause.rx_pause && ethpause.tx_pause)\n+\t\tfc_conf->mode = RTE_FC_FULL;\n+\telse if (ethpause.rx_pause)\n+\t\tfc_conf->mode = RTE_FC_RX_PAUSE;\n+\telse if (ethpause.tx_pause)\n+\t\tfc_conf->mode = RTE_FC_TX_PAUSE;\n+\telse\n+\t\tfc_conf->mode = RTE_FC_NONE;\n+\tret = 0;\n+\n+out:\n+\tpriv_unlock(priv);\n+\tassert(ret >= 0);\n+\treturn -ret;\n+}\n+\n+/**\n+ * DPDK callback to modify flow control parameters.\n+ *\n+ * @param dev\n+ *   Pointer to Ethernet device structure.\n+ * @param[in] fc_conf\n+ *   Flow control parameters.\n+ *\n+ * @return\n+ *   0 on success, negative errno value on failure.\n+ */\n+int\n+mlx5_dev_set_flow_ctrl(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)\n+{\n+\tstruct priv *priv = dev->data->dev_private;\n+\tstruct ifreq ifr;\n+\tstruct ethtool_pauseparam ethpause = {\n+\t\t.cmd = ETHTOOL_SPAUSEPARAM\n+\t};\n+\tint ret;\n+\n+\tifr.ifr_data = &ethpause;\n+\tethpause.autoneg = fc_conf->autoneg;\n+\tif (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) ||\n+\t    (fc_conf->mode & RTE_FC_RX_PAUSE))\n+\t\tethpause.rx_pause = 1;\n+\telse\n+\t\tethpause.rx_pause = 0;\n+\n+\tif (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) ||\n+\t    (fc_conf->mode & RTE_FC_TX_PAUSE))\n+\t\tethpause.tx_pause = 1;\n+\telse\n+\t\tethpause.tx_pause = 0;\n+\n+\tpriv_lock(priv);\n+\tif (priv_ifreq(priv, SIOCETHTOOL, &ifr)) {\n+\t\tret = errno;\n+\t\tWARN(\"ioctl(SIOCETHTOOL, ETHTOOL_SPAUSEPARAM)\"\n+\t\t     \" failed: %s\",\n+\t\t     strerror(ret));\n+\t\tgoto out;\n+\t}\n+\tret = 0;\n+\n+out:\n+\tpriv_unlock(priv);\n+\tassert(ret >= 0);\n+\treturn -ret;\n+}\n+\n+/**\n  * Get PCI information from struct ibv_device.\n  *\n  * @param device\n",
    "prefixes": [
        "dpdk-dev",
        "v2",
        "10/13"
    ]
}