From fe458e50711b8a3dc773a6aa1f80b477991c8bbe Mon Sep 17 00:00:00 2001 From: Mitch Williams Date: Thu, 4 Aug 2016 11:37:02 -0700 Subject: [PATCH] i40evf: report link speed The PF driver tells us the link speed, so do something with that information. Add link speed to log messages, and report speed through ethtool. Change-Id: I279dc9540cc5203376406050a3e8d67e128d5882 Signed-off-by: Mitch Williams Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40evf/i40evf.h | 1 + .../ethernet/intel/i40evf/i40evf_ethtool.c | 26 ++++++++- .../ethernet/intel/i40evf/i40evf_virtchnl.c | 55 ++++++++++++++++--- 3 files changed, 70 insertions(+), 12 deletions(-) diff --git a/drivers/net/ethernet/intel/i40evf/i40evf.h b/drivers/net/ethernet/intel/i40evf/i40evf.h index 76ed97db28e2..6fa00f36bdc4 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf.h +++ b/drivers/net/ethernet/intel/i40evf/i40evf.h @@ -258,6 +258,7 @@ struct i40evf_adapter { struct work_struct watchdog_task; bool netdev_registered; bool link_up; + enum i40e_aq_link_speed link_speed; enum i40e_virtchnl_ops current_op; #define CLIENT_ENABLED(_a) ((_a)->vf_res ? \ (_a)->vf_res->vf_offload_flags & \ diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c b/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c index c9c202f6c521..e17a15456266 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c @@ -74,13 +74,33 @@ static const struct i40evf_stats i40evf_gstrings_stats[] = { static int i40evf_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) { - /* In the future the VF will be able to query the PF for - * some information - for now use a dummy value - */ + struct i40evf_adapter *adapter = netdev_priv(netdev); + ecmd->supported = 0; ecmd->autoneg = AUTONEG_DISABLE; ecmd->transceiver = XCVR_DUMMY1; ecmd->port = PORT_NONE; + /* Set speed and duplex */ + switch (adapter->link_speed) { + case I40E_LINK_SPEED_40GB: + ethtool_cmd_speed_set(ecmd, SPEED_40000); + break; + case I40E_LINK_SPEED_20GB: + ethtool_cmd_speed_set(ecmd, SPEED_20000); + break; + case I40E_LINK_SPEED_10GB: + ethtool_cmd_speed_set(ecmd, SPEED_10000); + break; + case I40E_LINK_SPEED_1GB: + ethtool_cmd_speed_set(ecmd, SPEED_1000); + break; + case I40E_LINK_SPEED_100MB: + ethtool_cmd_speed_set(ecmd, SPEED_100); + break; + default: + break; + } + ecmd->duplex = DUPLEX_FULL; return 0; } diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c index d76c221d4c8a..cc6cb30c1667 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c @@ -816,6 +816,45 @@ void i40evf_set_rss_lut(struct i40evf_adapter *adapter) kfree(vrl); } +/** + * i40evf_print_link_message - print link up or down + * @adapter: adapter structure + * + * Log a message telling the world of our wonderous link status + */ +static void i40evf_print_link_message(struct i40evf_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + char *speed = "Unknown "; + + if (!adapter->link_up) { + netdev_info(netdev, "NIC Link is Down\n"); + return; + } + + switch (adapter->link_speed) { + case I40E_LINK_SPEED_40GB: + speed = "40 G"; + break; + case I40E_LINK_SPEED_20GB: + speed = "20 G"; + break; + case I40E_LINK_SPEED_10GB: + speed = "10 G"; + break; + case I40E_LINK_SPEED_1GB: + speed = "1000 M"; + break; + case I40E_LINK_SPEED_100MB: + speed = "100 M"; + break; + default: + break; + } + + netdev_info(netdev, "NIC Link is Up %sbps Full Duplex\n", speed); +} + /** * i40evf_request_reset * @adapter: adapter structure @@ -853,15 +892,13 @@ void i40evf_virtchnl_completion(struct i40evf_adapter *adapter, (struct i40e_virtchnl_pf_event *)msg; switch (vpe->event) { case I40E_VIRTCHNL_EVENT_LINK_CHANGE: - adapter->link_up = - vpe->event_data.link_event.link_status; - if (adapter->link_up && !netif_carrier_ok(netdev)) { - dev_info(&adapter->pdev->dev, "NIC Link is Up\n"); - netif_carrier_on(netdev); - netif_tx_wake_all_queues(netdev); - } else if (!adapter->link_up) { - dev_info(&adapter->pdev->dev, "NIC Link is Down\n"); - netif_carrier_off(netdev); + adapter->link_speed = + vpe->event_data.link_event.link_speed; + if (adapter->link_up != + vpe->event_data.link_event.link_status) { + adapter->link_up = + vpe->event_data.link_event.link_status; + i40evf_print_link_message(adapter); netif_tx_stop_all_queues(netdev); } break; -- 2.20.1