From 3f341acc1c65b800ced567174c683cda12dfb17d Mon Sep 17 00:00:00 2001 From: Sridhar Samudrala Date: Thu, 1 Sep 2016 22:27:27 +0200 Subject: i40evf: Fix link state event handling Currently disabling the link state from PF via ip link set enp5s0f0 vf 0 state disable doesn't disable the CARRIER on the VF. This patch updates the carrier and starts/stops the tx queues based on the link state notification from PF. PF: enp5s0f0, VF: enp5s2 #modprobe i40e #echo 2 > /sys/class/net/enp5s0f0/device/sriov_numvfs #ip link set enp5s2 up #ip -d link show enp5s2 175: enp5s2: mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000 link/ether ea:4d:60:bc:6f:85 brd ff:ff:ff:ff:ff:ff promiscuity 0 addrgenmode eui64 #ip link set enp5s0f0 vf 0 state disable #ip -d link show enp5s0f0 171: enp5s0f0: mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000 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 vf 0 MAC 00:00:00:00:00:00, spoof checking on, link-state disable, trust off vf 1 MAC 00:00:00:00:00:00, spoof checking on, link-state auto, trust off #ip -d link show enp5s2 175: enp5s2: mtu 1500 qdisc mq state DOWN mode DEFAULT group default qlen 1000 link/ether ea:4d:60:bc:6f:85 brd ff:ff:ff:ff:ff:ff promiscuity 0 addrgenmode eui64 numtxqueues 16 numrxqueues 16 Signed-off-by: Sridhar Samudrala Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40evf/i40evf_main.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/net/ethernet/intel/i40evf/i40evf_main.c') diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c index f751f7bc0d81..e0a8cd82255c 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c @@ -1037,6 +1037,7 @@ void i40evf_down(struct i40evf_adapter *adapter) netif_carrier_off(netdev); netif_tx_disable(netdev); + adapter->link_up = false; i40evf_napi_disable_all(adapter); i40evf_irq_disable(adapter); @@ -1731,6 +1732,7 @@ static void i40evf_reset_task(struct work_struct *work) set_bit(__I40E_DOWN, &adapter->vsi.state); netif_carrier_off(netdev); netif_tx_disable(netdev); + adapter->link_up = false; i40evf_napi_disable_all(adapter); i40evf_irq_disable(adapter); i40evf_free_traffic_irqs(adapter); @@ -1769,6 +1771,7 @@ continue_reset: if (netif_running(adapter->netdev)) { netif_carrier_off(netdev); netif_tx_stop_all_queues(netdev); + adapter->link_up = false; i40evf_napi_disable_all(adapter); } i40evf_irq_disable(adapter); @@ -2457,6 +2460,7 @@ static void i40evf_init_task(struct work_struct *work) goto err_sw_init; netif_carrier_off(netdev); + adapter->link_up = false; if (!adapter->netdev_registered) { err = register_netdev(netdev); -- cgit