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GET /api/patches/52415/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
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{
    "id": 52415,
    "url": "http://patches.dpdk.org/api/patches/52415/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/1554745507-15089-11-git-send-email-g.singh@nxp.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": "<1554745507-15089-11-git-send-email-g.singh@nxp.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1554745507-15089-11-git-send-email-g.singh@nxp.com",
    "date": "2019-04-08T11:22:44",
    "name": "[10/13] net/enetc: enable Rx-Tx queue start/stop feature",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "a8a519afa892ca8d4be15b04ec83a4b093bf9c52",
    "submitter": {
        "id": 1068,
        "url": "http://patches.dpdk.org/api/people/1068/?format=api",
        "name": "Gagandeep Singh",
        "email": "g.singh@nxp.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/1554745507-15089-11-git-send-email-g.singh@nxp.com/mbox/",
    "series": [
        {
            "id": 4173,
            "url": "http://patches.dpdk.org/api/series/4173/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=4173",
            "date": "2019-04-08T11:22:28",
            "name": "ENETC PMD basic features and bug fixes",
            "version": 1,
            "mbox": "http://patches.dpdk.org/series/4173/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/52415/comments/",
    "check": "success",
    "checks": "http://patches.dpdk.org/api/patches/52415/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 [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id BEEE65F13;\n\tMon,  8 Apr 2019 13:23:08 +0200 (CEST)",
            "from EUR02-AM5-obe.outbound.protection.outlook.com\n\t(mail-eopbgr00053.outbound.protection.outlook.com [40.107.0.53])\n\tby dpdk.org (Postfix) with ESMTP id D92224F90\n\tfor <dev@dpdk.org>; Mon,  8 Apr 2019 13:22:45 +0200 (CEST)",
            "from VE1PR04MB6365.eurprd04.prod.outlook.com (10.255.118.78) by\n\tVE1PR04MB6606.eurprd04.prod.outlook.com (20.179.235.10) with\n\tMicrosoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id\n\t15.20.1771.13; Mon, 8 Apr 2019 11:22:44 +0000",
            "from VE1PR04MB6365.eurprd04.prod.outlook.com\n\t([fe80::f5ad:f178:4c55:13e0]) by\n\tVE1PR04MB6365.eurprd04.prod.outlook.com\n\t([fe80::f5ad:f178:4c55:13e0%3]) with mapi id 15.20.1771.016;\n\tMon, 8 Apr 2019 11:22:44 +0000"
        ],
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        "From": "Gagandeep Singh <G.Singh@nxp.com>",
        "To": "\"dev@dpdk.org\" <dev@dpdk.org>, \"ferruh.yigit@intel.com\"\n\t<ferruh.yigit@intel.com>",
        "CC": "Gagandeep Singh <G.Singh@nxp.com>",
        "Thread-Topic": "[PATCH 10/13] net/enetc: enable Rx-Tx queue start/stop feature",
        "Thread-Index": "AQHU7f1iLCIShg5/eUuENvI3sis6QA==",
        "Date": "Mon, 8 Apr 2019 11:22:44 +0000",
        "Message-ID": "<1554745507-15089-11-git-send-email-g.singh@nxp.com>",
        "References": "<1554745507-15089-1-git-send-email-g.singh@nxp.com>",
        "In-Reply-To": "<1554745507-15089-1-git-send-email-g.singh@nxp.com>",
        "Accept-Language": "en-US",
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        "x-mailer": "git-send-email 1.9.1",
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        "X-MS-Exchange-CrossTenant-originalarrivaltime": "08 Apr 2019 11:22:44.1575\n\t(UTC)",
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        "Subject": "[dpdk-dev] [PATCH 10/13] net/enetc: enable Rx-Tx queue start/stop\n\tfeature",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.15",
        "Precedence": "list",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<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\t<mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "Rx and Tx queue start-stop and deferred queue start\nfeatures enabled.\n\nSigned-off-by: Gagandeep Singh <g.singh@nxp.com>\n---\n doc/guides/nics/enetc.rst          |   2 +\n doc/guides/nics/features/enetc.ini |   1 +\n drivers/net/enetc/enetc_ethdev.c   | 185 ++++++++++++++++++++++++++-----------\n 3 files changed, 134 insertions(+), 54 deletions(-)",
    "diff": "diff --git a/doc/guides/nics/enetc.rst b/doc/guides/nics/enetc.rst\nindex eeb0752..26d61f6 100644\n--- a/doc/guides/nics/enetc.rst\n+++ b/doc/guides/nics/enetc.rst\n@@ -50,6 +50,8 @@ ENETC Features\n - Promiscuous\n - Multicast\n - Jumbo packets\n+- Queue Start/Stop\n+- Deferred Queue Start\n \n NIC Driver (PMD)\n ~~~~~~~~~~~~~~~~\ndiff --git a/doc/guides/nics/features/enetc.ini b/doc/guides/nics/features/enetc.ini\nindex 0eed2cb..bd901fa 100644\n--- a/doc/guides/nics/features/enetc.ini\n+++ b/doc/guides/nics/features/enetc.ini\n@@ -11,6 +11,7 @@ Promiscuous mode     = Y\n Allmulticast mode    = Y\n MTU update           = Y\n Jumbo frame          = Y\n+Queue start/stop     = Y\n Linux VFIO           = Y\n ARMv8                = Y\n Usage doc            = Y\ndiff --git a/drivers/net/enetc/enetc_ethdev.c b/drivers/net/enetc/enetc_ethdev.c\nindex 4428678..db23276 100644\n--- a/drivers/net/enetc/enetc_ethdev.c\n+++ b/drivers/net/enetc/enetc_ethdev.c\n@@ -203,7 +203,6 @@\n enetc_setup_txbdr(struct enetc_hw *hw, struct enetc_bdr *tx_ring)\n {\n \tint idx = tx_ring->index;\n-\tuint32_t tbmr;\n \tphys_addr_t bd_address;\n \n \tbd_address = (phys_addr_t)\n@@ -215,9 +214,6 @@\n \tenetc_txbdr_wr(hw, idx, ENETC_TBLENR,\n \t\t       ENETC_RTBLENR_LEN(tx_ring->bd_count));\n \n-\ttbmr = ENETC_TBMR_EN;\n-\t/* enable ring */\n-\tenetc_txbdr_wr(hw, idx, ENETC_TBMR, tbmr);\n \tenetc_txbdr_wr(hw, idx, ENETC_TBCIR, 0);\n \tenetc_txbdr_wr(hw, idx, ENETC_TBCISR, 0);\n \ttx_ring->tcir = (void *)((size_t)hw->reg +\n@@ -227,16 +223,22 @@\n }\n \n static int\n-enetc_alloc_tx_resources(struct rte_eth_dev *dev,\n-\t\t\t uint16_t queue_idx,\n-\t\t\t uint16_t nb_desc)\n+enetc_tx_queue_setup(struct rte_eth_dev *dev,\n+\t\t     uint16_t queue_idx,\n+\t\t     uint16_t nb_desc,\n+\t\t     unsigned int socket_id __rte_unused,\n+\t\t     const struct rte_eth_txconf *tx_conf)\n {\n-\tint err;\n+\tint err = 0;\n \tstruct enetc_bdr *tx_ring;\n \tstruct rte_eth_dev_data *data = dev->data;\n \tstruct enetc_eth_adapter *priv =\n \t\t\tENETC_DEV_PRIVATE(data->dev_private);\n \n+\tPMD_INIT_FUNC_TRACE();\n+\tif (nb_desc > MAX_BD_COUNT)\n+\t\treturn -1;\n+\n \ttx_ring = rte_zmalloc(NULL, sizeof(struct enetc_bdr), 0);\n \tif (tx_ring == NULL) {\n \t\tENETC_PMD_ERR(\"Failed to allocate TX ring memory\");\n@@ -253,6 +255,17 @@\n \tenetc_setup_txbdr(&priv->hw.hw, tx_ring);\n \tdata->tx_queues[queue_idx] = tx_ring;\n \n+\tif (!tx_conf->tx_deferred_start) {\n+\t\t/* enable ring */\n+\t\tenetc_txbdr_wr(&priv->hw.hw, tx_ring->index,\n+\t\t\t       ENETC_TBMR, ENETC_TBMR_EN);\n+\t\tdev->data->tx_queue_state[tx_ring->index] =\n+\t\t\t       RTE_ETH_QUEUE_STATE_STARTED;\n+\t} else {\n+\t\tdev->data->tx_queue_state[tx_ring->index] =\n+\t\t\t       RTE_ETH_QUEUE_STATE_STOPPED;\n+\t}\n+\n \treturn 0;\n fail:\n \trte_free(tx_ring);\n@@ -260,24 +273,6 @@\n \treturn err;\n }\n \n-static int\n-enetc_tx_queue_setup(struct rte_eth_dev *dev,\n-\t\t     uint16_t queue_idx,\n-\t\t     uint16_t nb_desc,\n-\t\t     unsigned int socket_id __rte_unused,\n-\t\t     const struct rte_eth_txconf *tx_conf __rte_unused)\n-{\n-\tint err = 0;\n-\n-\tPMD_INIT_FUNC_TRACE();\n-\tif (nb_desc > MAX_BD_COUNT)\n-\t\treturn -1;\n-\n-\terr = enetc_alloc_tx_resources(dev, queue_idx, nb_desc);\n-\n-\treturn err;\n-}\n-\n static void\n enetc_tx_queue_release(void *txq)\n {\n@@ -367,23 +362,27 @@\n \tbuf_size = (uint16_t)(rte_pktmbuf_data_room_size(rx_ring->mb_pool) -\n \t\t   RTE_PKTMBUF_HEADROOM);\n \tenetc_rxbdr_wr(hw, idx, ENETC_RBBSR, buf_size);\n-\t/* enable ring */\n-\tenetc_rxbdr_wr(hw, idx, ENETC_RBMR, ENETC_RBMR_EN);\n \tenetc_rxbdr_wr(hw, idx, ENETC_RBPIR, 0);\n }\n \n static int\n-enetc_alloc_rx_resources(struct rte_eth_dev *dev,\n-\t\t\t uint16_t rx_queue_id,\n-\t\t\t uint16_t nb_rx_desc,\n-\t\t\t struct rte_mempool *mb_pool)\n+enetc_rx_queue_setup(struct rte_eth_dev *dev,\n+\t\t     uint16_t rx_queue_id,\n+\t\t     uint16_t nb_rx_desc,\n+\t\t     unsigned int socket_id __rte_unused,\n+\t\t     const struct rte_eth_rxconf *rx_conf,\n+\t\t     struct rte_mempool *mb_pool)\n {\n-\tint err;\n+\tint err = 0;\n \tstruct enetc_bdr *rx_ring;\n \tstruct rte_eth_dev_data *data =  dev->data;\n \tstruct enetc_eth_adapter *adapter =\n \t\t\tENETC_DEV_PRIVATE(data->dev_private);\n \n+\tPMD_INIT_FUNC_TRACE();\n+\tif (nb_rx_desc > MAX_BD_COUNT)\n+\t\treturn -1;\n+\n \trx_ring = rte_zmalloc(NULL, sizeof(struct enetc_bdr), 0);\n \tif (rx_ring == NULL) {\n \t\tENETC_PMD_ERR(\"Failed to allocate RX ring memory\");\n@@ -400,6 +399,17 @@\n \tenetc_setup_rxbdr(&adapter->hw.hw, rx_ring, mb_pool);\n \tdata->rx_queues[rx_queue_id] = rx_ring;\n \n+\tif (!rx_conf->rx_deferred_start) {\n+\t\t/* enable ring */\n+\t\tenetc_rxbdr_wr(&adapter->hw.hw, rx_ring->index, ENETC_RBMR,\n+\t\t\t       ENETC_RBMR_EN);\n+\t\tdev->data->rx_queue_state[rx_ring->index] =\n+\t\t\t       RTE_ETH_QUEUE_STATE_STARTED;\n+\t} else {\n+\t\tdev->data->rx_queue_state[rx_ring->index] =\n+\t\t\t       RTE_ETH_QUEUE_STATE_STOPPED;\n+\t}\n+\n \treturn 0;\n fail:\n \trte_free(rx_ring);\n@@ -407,27 +417,6 @@\n \treturn err;\n }\n \n-static int\n-enetc_rx_queue_setup(struct rte_eth_dev *dev,\n-\t\t     uint16_t rx_queue_id,\n-\t\t     uint16_t nb_rx_desc,\n-\t\t     unsigned int socket_id __rte_unused,\n-\t\t     const struct rte_eth_rxconf *rx_conf __rte_unused,\n-\t\t     struct rte_mempool *mb_pool)\n-{\n-\tint err = 0;\n-\n-\tPMD_INIT_FUNC_TRACE();\n-\tif (nb_rx_desc > MAX_BD_COUNT)\n-\t\treturn -1;\n-\n-\terr = enetc_alloc_rx_resources(dev, rx_queue_id,\n-\t\t\t\t       nb_rx_desc,\n-\t\t\t\t       mb_pool);\n-\n-\treturn err;\n-}\n-\n static void\n enetc_rx_queue_release(void *rxq)\n {\n@@ -666,6 +655,90 @@ int enetc_stats_get(struct rte_eth_dev *dev,\n \treturn 0;\n }\n \n+static int\n+enetc_rx_queue_start(struct rte_eth_dev *dev, uint16_t qidx)\n+{\n+\tstruct enetc_eth_adapter *priv =\n+\t\t\tENETC_DEV_PRIVATE(dev->data->dev_private);\n+\tstruct enetc_bdr *rx_ring;\n+\tuint32_t rx_data;\n+\n+\trx_ring = dev->data->rx_queues[qidx];\n+\tif (dev->data->rx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED) {\n+\t\trx_data = enetc_rxbdr_rd(&priv->hw.hw, rx_ring->index,\n+\t\t\t\t\t ENETC_RBMR);\n+\t\trx_data = rx_data | ENETC_RBMR_EN;\n+\t\tenetc_rxbdr_wr(&priv->hw.hw, rx_ring->index, ENETC_RBMR,\n+\t\t\t       rx_data);\n+\t\tdev->data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED;\n+\t}\n+\n+\treturn 0;\n+}\n+\n+static int\n+enetc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx)\n+{\n+\tstruct enetc_eth_adapter *priv =\n+\t\t\tENETC_DEV_PRIVATE(dev->data->dev_private);\n+\tstruct enetc_bdr *rx_ring;\n+\tuint32_t rx_data;\n+\n+\trx_ring = dev->data->rx_queues[qidx];\n+\tif (dev->data->rx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED) {\n+\t\trx_data = enetc_rxbdr_rd(&priv->hw.hw, rx_ring->index,\n+\t\t\t\t\t ENETC_RBMR);\n+\t\trx_data = rx_data & (~ENETC_RBMR_EN);\n+\t\tenetc_rxbdr_wr(&priv->hw.hw, rx_ring->index, ENETC_RBMR,\n+\t\t\t       rx_data);\n+\t\tdev->data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;\n+\t}\n+\n+\treturn 0;\n+}\n+\n+static int\n+enetc_tx_queue_start(struct rte_eth_dev *dev, uint16_t qidx)\n+{\n+\tstruct enetc_eth_adapter *priv =\n+\t\t\tENETC_DEV_PRIVATE(dev->data->dev_private);\n+\tstruct enetc_bdr *tx_ring;\n+\tuint32_t tx_data;\n+\n+\ttx_ring = dev->data->tx_queues[qidx];\n+\tif (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED) {\n+\t\ttx_data = enetc_txbdr_rd(&priv->hw.hw, tx_ring->index,\n+\t\t\t\t\t ENETC_TBMR);\n+\t\ttx_data = tx_data | ENETC_TBMR_EN;\n+\t\tenetc_txbdr_wr(&priv->hw.hw, tx_ring->index, ENETC_TBMR,\n+\t\t\t       tx_data);\n+\t\tdev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED;\n+\t}\n+\n+\treturn 0;\n+}\n+\n+static int\n+enetc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx)\n+{\n+\tstruct enetc_eth_adapter *priv =\n+\t\t\tENETC_DEV_PRIVATE(dev->data->dev_private);\n+\tstruct enetc_bdr *tx_ring;\n+\tuint32_t tx_data;\n+\n+\ttx_ring = dev->data->tx_queues[qidx];\n+\tif (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED) {\n+\t\ttx_data = enetc_txbdr_rd(&priv->hw.hw, tx_ring->index,\n+\t\t\t\t\t ENETC_TBMR);\n+\t\ttx_data = tx_data & (~ENETC_TBMR_EN);\n+\t\tenetc_txbdr_wr(&priv->hw.hw, tx_ring->index, ENETC_TBMR,\n+\t\t\t       tx_data);\n+\t\tdev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;\n+\t}\n+\n+\treturn 0;\n+}\n+\n /*\n  * The set of PCI devices this driver supports\n  */\n@@ -691,8 +764,12 @@ int enetc_stats_get(struct rte_eth_dev *dev,\n \t.dev_infos_get        = enetc_dev_infos_get,\n \t.mtu_set              = enetc_mtu_set,\n \t.rx_queue_setup       = enetc_rx_queue_setup,\n+\t.rx_queue_start       = enetc_rx_queue_start,\n+\t.rx_queue_stop        = enetc_rx_queue_stop,\n \t.rx_queue_release     = enetc_rx_queue_release,\n \t.tx_queue_setup       = enetc_tx_queue_setup,\n+\t.tx_queue_start       = enetc_tx_queue_start,\n+\t.tx_queue_stop        = enetc_tx_queue_stop,\n \t.tx_queue_release     = enetc_tx_queue_release,\n \t.dev_supported_ptypes_get = enetc_supported_ptypes_get,\n };\n",
    "prefixes": [
        "10/13"
    ]
}