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GET /api/patches/662974/?format=api
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{
    "id": 662974,
    "url": "http://patchwork.ozlabs.org/api/patches/662974/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/1472165922-60629-1-git-send-email-sridhar.samudrala@intel.com/",
    "project": {
        "id": 46,
        "url": "http://patchwork.ozlabs.org/api/projects/46/?format=api",
        "name": "Intel Wired Ethernet development",
        "link_name": "intel-wired-lan",
        "list_id": "intel-wired-lan.osuosl.org",
        "list_email": "intel-wired-lan@osuosl.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": "",
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    "msgid": "<1472165922-60629-1-git-send-email-sridhar.samudrala@intel.com>",
    "list_archive_url": null,
    "date": "2016-08-25T22:58:42",
    "name": "[dev-queue] i40evf: Fix link state event handling.",
    "commit_ref": null,
    "pull_url": null,
    "state": "changes-requested",
    "archived": false,
    "hash": "b98bbd0e79c20c9606794872d55b908b0f5ea796",
    "submitter": {
        "id": 65219,
        "url": "http://patchwork.ozlabs.org/api/people/65219/?format=api",
        "name": "Samudrala, Sridhar",
        "email": "sridhar.samudrala@intel.com"
    },
    "delegate": {
        "id": 68,
        "url": "http://patchwork.ozlabs.org/api/users/68/?format=api",
        "username": "jtkirshe",
        "first_name": "Jeff",
        "last_name": "Kirsher",
        "email": "jeffrey.t.kirsher@intel.com"
    },
    "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/1472165922-60629-1-git-send-email-sridhar.samudrala@intel.com/mbox/",
    "series": [],
    "comments": "http://patchwork.ozlabs.org/api/patches/662974/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/662974/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<intel-wired-lan-bounces@lists.osuosl.org>",
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        ],
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        "X-ExtLoop1": "1",
        "X-IronPort-AV": "E=Sophos;i=\"5.28,578,1464678000\"; d=\"scan'208\";a=\"871210086\"",
        "From": "Sridhar Samudrala <sridhar.samudrala@intel.com>",
        "To": "intel-wired-lan@lists.osuosl.org, anjali.singhai@intel.com,\n\tjohn.r.fastabend@intel.com",
        "Date": "Fri, 26 Aug 2016 00:58:42 +0200",
        "Message-Id": "<1472165922-60629-1-git-send-email-sridhar.samudrala@intel.com>",
        "X-Mailer": "git-send-email 2.5.5",
        "Subject": "[Intel-wired-lan] [dev-queue PATCH] i40evf: Fix link state event\n\thandling.",
        "X-BeenThere": "intel-wired-lan@lists.osuosl.org",
        "X-Mailman-Version": "2.1.18-1",
        "Precedence": "list",
        "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n\t<intel-wired-lan.lists.osuosl.org>",
        "List-Unsubscribe": "<http://lists.osuosl.org/mailman/options/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@lists.osuosl.org?subject=unsubscribe>",
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        "List-Help": "<mailto:intel-wired-lan-request@lists.osuosl.org?subject=help>",
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        "Errors-To": "intel-wired-lan-bounces@lists.osuosl.org",
        "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@lists.osuosl.org>"
    },
    "content": "Currently disabling the link state from PF via\n\tip link set enp5s0f0 vf 0 state disable\ndoesnt' disable the CARRIER on the VF.\n\nThis patch updates the carrier and starts/stops the tx queues based on the\nlink state notification from PF.\n\n  PF: enp5s0f0, VF: enp5s2\n  #modprobe i40e\n  #echo 2 > /sys/class/net/enp5s0f0/device/sriov_numvfs\n  #ip link set enp5s2 up\n  #ip -d link show enp5s2\n  175: enp5s2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000\n      link/ether ea:4d:60:bc:6f:85 brd ff:ff:ff:ff:ff:ff promiscuity 0 addrgenmode eui64\n  #ip link set enp5s0f0 vf 0 state disable\n  #ip -d link show enp5s0f0\n  171: enp5s0f0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000\n      link/ether 68:05:ca:2e:72:68 brd ff:ff:ff:ff:ff:ff promiscuity 0 addrgenmode eui64 numtxqueues 72 numrxqueues 72 portid 6805ca2e7268\n      vf 0 MAC 00:00:00:00:00:00, spoof checking on, link-state disable, trust off\n      vf 1 MAC 00:00:00:00:00:00, spoof checking on, link-state auto, trust off\n  #ip -d link show enp5s2\n  175: enp5s2: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN mode DEFAULT group default qlen 1000\n       link/ether ea:4d:60:bc:6f:85 brd ff:ff:ff:ff:ff:ff promiscuity 0 addrgenmode eui64 numtxqueues 16 numrxqueues 16\n\nSigned-off-by: Sridhar Samudrala <sridhar.samudrala@intel.com>\n---\n drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c | 10 +++++++---\n 1 file changed, 7 insertions(+), 3 deletions(-)",
    "diff": "diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c\nindex cc6cb30..ddf478d 100644\n--- a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c\n+++ b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c\n@@ -898,8 +898,14 @@ void i40evf_virtchnl_completion(struct i40evf_adapter *adapter,\n \t\t\t    vpe->event_data.link_event.link_status) {\n \t\t\t\tadapter->link_up =\n \t\t\t\t\tvpe->event_data.link_event.link_status;\n+\t\t\t\tif (adapter->link_up) {\n+\t\t\t\t\tnetif_tx_start_all_queues(netdev);\n+\t\t\t\t\tnetif_carrier_on(netdev);\n+\t\t\t\t} else {\n+\t\t\t\t\tnetif_tx_stop_all_queues(netdev);\n+\t\t\t\t\tnetif_carrier_off(netdev);\n+\t\t\t\t}\n \t\t\t\ti40evf_print_link_message(adapter);\n-\t\t\t\tnetif_tx_stop_all_queues(netdev);\n \t\t\t}\n \t\t\tbreak;\n \t\tcase I40E_VIRTCHNL_EVENT_RESET_IMPENDING:\n@@ -974,8 +980,6 @@ void i40evf_virtchnl_completion(struct i40evf_adapter *adapter,\n \tcase I40E_VIRTCHNL_OP_ENABLE_QUEUES:\n \t\t/* enable transmits */\n \t\ti40evf_irq_enable(adapter, true);\n-\t\tnetif_tx_start_all_queues(adapter->netdev);\n-\t\tnetif_carrier_on(adapter->netdev);\n \t\tbreak;\n \tcase I40E_VIRTCHNL_OP_DISABLE_QUEUES:\n \t\ti40evf_free_all_tx_resources(adapter);\n",
    "prefixes": [
        "dev-queue"
    ]
}