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GET /api/patches/40719/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 40719,
    "url": "http://patches.dpdk.org/api/patches/40719/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/20180607094322.14312-6-mk@semihalf.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": "<20180607094322.14312-6-mk@semihalf.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20180607094322.14312-6-mk@semihalf.com",
    "date": "2018-06-07T09:43:01",
    "name": "[dpdk-dev,v3,06/27] net/ena: add LSC intr support and AENQ handling",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "d8abc567442f4dc12cd351286a019ab3f245bdc8",
    "submitter": {
        "id": 786,
        "url": "http://patches.dpdk.org/api/people/786/?format=api",
        "name": "Michal Krawczyk",
        "email": "mk@semihalf.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/20180607094322.14312-6-mk@semihalf.com/mbox/",
    "series": [
        {
            "id": 26,
            "url": "http://patches.dpdk.org/api/series/26/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=26",
            "date": "2018-06-07T09:43:00",
            "name": "net/ena: new features and fixes",
            "version": 3,
            "mbox": "http://patches.dpdk.org/series/26/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/40719/comments/",
    "check": "fail",
    "checks": "http://patches.dpdk.org/api/patches/40719/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 BACEC1B1C1;\n\tThu,  7 Jun 2018 11:43:43 +0200 (CEST)",
            "from mail-lf0-f68.google.com (mail-lf0-f68.google.com\n\t[209.85.215.68]) by dpdk.org (Postfix) with ESMTP id 1614A1B16F\n\tfor <dev@dpdk.org>; Thu,  7 Jun 2018 11:43:37 +0200 (CEST)",
            "by mail-lf0-f68.google.com with SMTP id i83-v6so13654362lfh.5\n\tfor <dev@dpdk.org>; Thu, 07 Jun 2018 02:43:37 -0700 (PDT)",
            "from mkPC.semihalf.local (31-172-191-173.noc.fibertech.net.pl.\n\t[31.172.191.173]) by smtp.gmail.com with ESMTPSA id\n\tp28-v6sm3612368lfh.24.2018.06.07.02.43.35\n\t(version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);\n\tThu, 07 Jun 2018 02:43:35 -0700 (PDT)"
        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=semihalf-com.20150623.gappssmtp.com; s=20150623;\n\th=from:to:cc:subject:date:message-id:in-reply-to:references;\n\tbh=NOScEJGxKLYUxfk7aUNOJRNkEQsBOHoRyMP8mqg1xEI=;\n\tb=M/kU0DoIb+5VEnko+BhPepCQ/hb5RdnQG/A8agLYT8Ja7zza+mfYwLH6zECPlzw01h\n\tINtxxdmRrvgFeO1MWcafMfCniyRYDf3AWTZHdgrpyeYPJcE4j7+YXNaCH8rGZElZbo3c\n\txYBE9FFnQ5uXNLM8FJ+c5jzBPFJTnVtIulAcBm0ciRdem59K463+D8kVKuU//02ruZ1O\n\tjNvwtmZ4MqmJN2Y6Mfz+NkYdB2EInIY2IdKENYpk2a6KbMKkqDTOhJLk7VYt3WBSOfJ9\n\thpxgQof6RIRX2530eGvDjW8KLeT/doNg96FFSA1yhinowPsUN2ATLPriYIY8I2a9HWch\n\teIeg==",
        "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to\n\t:references;\n\tbh=NOScEJGxKLYUxfk7aUNOJRNkEQsBOHoRyMP8mqg1xEI=;\n\tb=NOeJtifllhmlb+hAqy2tEKvWuYQNs59oq3KZ2HuSafQv4LN77OuNaxc0rETOw3183a\n\taZQr2f7AO9SGXC1yKdRGBFUOfEWGj1EUQWYsnImKIjflvfN7va90pTFBbhVCdR3KM12v\n\tatAVxg4KrXqosneucC58T8DI+QnuJUa5dia6u/e4Y8nAJ0OB+wfgYVBXJmvPZSs8r/NC\n\tTvGqhZAjYrkMaSFUo7ERtQ1EcmFyY4gsarAK8J6bYkHAxj6+OOVTgFXt4DBSmbyO5Uhl\n\tSjQr55+UH5Fy6WKqyqum0WSOndoSAckgSnQlfTmC1E3dQwUEdIOXni4jHFAzh95O7k0R\n\trQjg==",
        "X-Gm-Message-State": "APt69E2ben7xh4przfaT9moIujGJa/hD9TovKg0P7tQVkWwp5cy0YX8U\n\tVY8qUuScDCmm0x34tMAa/molHw==",
        "X-Google-Smtp-Source": "ADUXVKJJ0ADHZtM4d8eMsAEkOtX159DLkDtGBBYQMkqRZmB0yoFdni7QGLAlU6/4byw+TCKvqXgWwQ==",
        "X-Received": "by 2002:a2e:8257:: with SMTP id\n\tj23-v6mr941595ljh.1.1528364616694; \n\tThu, 07 Jun 2018 02:43:36 -0700 (PDT)",
        "From": "Michal Krawczyk <mk@semihalf.com>",
        "To": "Marcin Wojtas <mw@semihalf.com>, Michal Krawczyk <mk@semihalf.com>,\n\tGuy Tzalik <gtzalik@amazon.com>, Evgeny Schemeilin <evgenys@amazon.com>",
        "Cc": "dev@dpdk.org,\n\tmatua@amazon.com",
        "Date": "Thu,  7 Jun 2018 11:43:01 +0200",
        "Message-Id": "<20180607094322.14312-6-mk@semihalf.com>",
        "X-Mailer": "git-send-email 2.14.1",
        "In-Reply-To": "<20180607094322.14312-1-mk@semihalf.com>",
        "References": "<20180607094322.14312-1-mk@semihalf.com>",
        "Subject": "[dpdk-dev] [PATCH v3 06/27] net/ena: add LSC intr support and AENQ\n\thandling",
        "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://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": "<https://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": "To make the LSC interrupt working, the AENQ must be configured properly\nin the ENA device. The AENQ interrupt is common for all maintance\ninterrupts - the proper handler is then executed depending on the\nreceived descriptor.\n\nSigned-off-by: Michal Krawczyk <mk@semihalf.com>\n---\n drivers/net/ena/ena_ethdev.c | 52 ++++++++++++++++++++++++++++++++++++++------\n drivers/net/ena/ena_ethdev.h |  2 ++\n 2 files changed, 47 insertions(+), 7 deletions(-)",
    "diff": "diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c\nindex 4ca19c57c..a344b2573 100644\n--- a/drivers/net/ena/ena_ethdev.c\n+++ b/drivers/net/ena/ena_ethdev.c\n@@ -201,7 +201,7 @@ static const struct rte_pci_id pci_id_ena_map[] = {\n \t{ .device_id = 0 },\n };\n \n-static struct ena_aenq_handlers empty_aenq_handlers;\n+static struct ena_aenq_handlers aenq_handlers;\n \n static int ena_device_init(struct ena_com_dev *ena_dev,\n \t\t\t   struct ena_com_dev_get_features_ctx *get_feat_ctx);\n@@ -732,8 +732,11 @@ static int ena_link_update(struct rte_eth_dev *dev,\n \t\t\t   __rte_unused int wait_to_complete)\n {\n \tstruct rte_eth_link *link = &dev->data->dev_link;\n+\tstruct ena_adapter *adapter;\n+\n+\tadapter = (struct ena_adapter *)(dev->data->dev_private);\n \n-\tlink->link_status = ETH_LINK_UP;\n+\tlink->link_status = adapter->link_status ? ETH_LINK_UP : ETH_LINK_DOWN;\n \tlink->link_speed = ETH_SPEED_NUM_10G;\n \tlink->link_duplex = ETH_LINK_FULL_DUPLEX;\n \n@@ -1228,6 +1231,7 @@ static int ena_populate_rx_queue(struct ena_ring *rxq, unsigned int count)\n static int ena_device_init(struct ena_com_dev *ena_dev,\n \t\t\t   struct ena_com_dev_get_features_ctx *get_feat_ctx)\n {\n+\tuint32_t aenq_groups;\n \tint rc;\n \tbool readless_supported;\n \n@@ -1263,7 +1267,7 @@ static int ena_device_init(struct ena_com_dev *ena_dev,\n \tena_dev->dma_addr_bits = ena_com_get_dma_width(ena_dev);\n \n \t/* ENA device administration layer init */\n-\trc = ena_com_admin_init(ena_dev, &empty_aenq_handlers, true);\n+\trc = ena_com_admin_init(ena_dev, &aenq_handlers, true);\n \tif (rc) {\n \t\tRTE_LOG(ERR, PMD,\n \t\t\t\"cannot initialize ena admin queue with device\\n\");\n@@ -1286,6 +1290,15 @@ static int ena_device_init(struct ena_com_dev *ena_dev,\n \t\tgoto err_admin_init;\n \t}\n \n+\taenq_groups = BIT(ENA_ADMIN_LINK_CHANGE);\n+\n+\taenq_groups &= get_feat_ctx->aenq.supported_groups;\n+\trc = ena_com_set_aenq_config(ena_dev, aenq_groups);\n+\tif (rc) {\n+\t\tRTE_LOG(ERR, PMD, \"Cannot configure aenq groups rc: %d\\n\", rc);\n+\t\tgoto err_admin_init;\n+\t}\n+\n \treturn 0;\n \n err_admin_init:\n@@ -1297,12 +1310,14 @@ static int ena_device_init(struct ena_com_dev *ena_dev,\n \treturn rc;\n }\n \n-static void ena_interrupt_handler_rte(__rte_unused void *cb_arg)\n+static void ena_interrupt_handler_rte(void *cb_arg)\n {\n \tstruct ena_adapter *adapter = (struct ena_adapter *)cb_arg;\n \tstruct ena_com_dev *ena_dev = &adapter->ena_dev;\n \n \tena_com_admin_q_comp_intr_handler(ena_dev);\n+\tif (adapter->state != ENA_ADAPTER_STATE_CLOSED)\n+\t\tena_com_aenq_intr_handler(ena_dev, adapter);\n }\n \n static int eth_ena_dev_init(struct rte_eth_dev *eth_dev)\n@@ -1405,6 +1420,7 @@ static int eth_ena_dev_init(struct rte_eth_dev *eth_dev)\n \t\t\t\t   adapter);\n \trte_intr_enable(intr_handle);\n \tena_com_set_admin_polling_mode(ena_dev, false);\n+\tena_com_admin_aenq_enable(ena_dev);\n \n \tadapters_found++;\n \tadapter->state = ENA_ADAPTER_STATE_INIT;\n@@ -1842,6 +1858,9 @@ static uint16_t eth_ena_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,\n \treturn sent_idx;\n }\n \n+/*********************************************************************\n+ *  PMD configuration\n+ *********************************************************************/\n static int eth_ena_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,\n \tstruct rte_pci_device *pci_dev)\n {\n@@ -1856,7 +1875,7 @@ static int eth_ena_pci_remove(struct rte_pci_device *pci_dev)\n \n static struct rte_pci_driver rte_ena_pmd = {\n \t.id_table = pci_id_ena_map,\n-\t.drv_flags = RTE_PCI_DRV_NEED_MAPPING,\n+\t.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,\n \t.probe = eth_ena_pci_probe,\n \t.remove = eth_ena_pci_remove,\n };\n@@ -1880,6 +1899,25 @@ ena_init_log(void)\n /******************************************************************************\n  ******************************** AENQ Handlers *******************************\n  *****************************************************************************/\n+static void ena_update_on_link_change(void *adapter_data,\n+\t\t\t\t      struct ena_admin_aenq_entry *aenq_e)\n+{\n+\tstruct rte_eth_dev *eth_dev;\n+\tstruct ena_adapter *adapter;\n+\tstruct ena_admin_aenq_link_change_desc *aenq_link_desc;\n+\tuint32_t status;\n+\n+\tadapter = (struct ena_adapter *)adapter_data;\n+\taenq_link_desc = (struct ena_admin_aenq_link_change_desc *)aenq_e;\n+\teth_dev = adapter->rte_dev;\n+\n+\tstatus = get_ena_admin_aenq_link_change_desc_link_status(aenq_link_desc);\n+\tadapter->link_status = status;\n+\n+\tena_link_update(eth_dev, 0);\n+\t_rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_INTR_LSC, NULL);\n+}\n+\n /**\n  * This handler will called for unknown event group or unimplemented handlers\n  **/\n@@ -1889,9 +1927,9 @@ static void unimplemented_aenq_handler(__rte_unused void *data,\n \t// Unimplemented handler\n }\n \n-static struct ena_aenq_handlers empty_aenq_handlers = {\n+static struct ena_aenq_handlers aenq_handlers = {\n \t.handlers = {\n-\t\t[ENA_ADMIN_LINK_CHANGE] = unimplemented_aenq_handler,\n+\t\t[ENA_ADMIN_LINK_CHANGE] = ena_update_on_link_change,\n \t\t[ENA_ADMIN_NOTIFICATION] = unimplemented_aenq_handler,\n \t\t[ENA_ADMIN_KEEP_ALIVE] = unimplemented_aenq_handler\n \t},\ndiff --git a/drivers/net/ena/ena_ethdev.h b/drivers/net/ena/ena_ethdev.h\nindex 79fb14aeb..16172a54a 100644\n--- a/drivers/net/ena/ena_ethdev.h\n+++ b/drivers/net/ena/ena_ethdev.h\n@@ -181,6 +181,8 @@ struct ena_adapter {\n \tuint64_t tx_selected_offloads;\n \tuint64_t rx_supported_offloads;\n \tuint64_t rx_selected_offloads;\n+\n+\tbool link_status;\n };\n \n #endif /* _ENA_ETHDEV_H_ */\n",
    "prefixes": [
        "dpdk-dev",
        "v3",
        "06/27"
    ]
}