diff mbox series

hv_netvsc: set device master/slave flags on bonding

Message ID 1740781513-10090-1-git-send-email-longli@linuxonhyperv.com (mailing list archive)
State New
Headers show
Series hv_netvsc: set device master/slave flags on bonding | expand

Commit Message

Long Li Feb. 28, 2025, 10:25 p.m. UTC 
From: Long Li <longli@microsoft.com>

Currently netvsc only sets the SLAVE flag on VF netdev when it's bonded. It
should also set the MASTER flag on itself and clear all those flags when
the VF is unbonded.

Signed-off-by: Long Li <longli@microsoft.com>
---
 drivers/net/hyperv/netvsc_drv.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index d6c4abfc3a28..7ac18fede2f3 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -2204,6 +2204,7 @@  static int netvsc_vf_join(struct net_device *vf_netdev,
 		goto rx_handler_failed;
 	}
 
+	ndev->flags |= IFF_MASTER;
 	ret = netdev_master_upper_dev_link(vf_netdev, ndev,
 					   NULL, NULL, NULL);
 	if (ret != 0) {
@@ -2484,7 +2485,12 @@  static int netvsc_unregister_vf(struct net_device *vf_netdev)
 
 	reinit_completion(&net_device_ctx->vf_add);
 	netdev_rx_handler_unregister(vf_netdev);
+
+	/* Unlink the slave device and clear flag */
+	vf_netdev->flags &= ~IFF_SLAVE;
+	ndev->flags &= ~IFF_MASTER;
 	netdev_upper_dev_unlink(vf_netdev, ndev);
+
 	RCU_INIT_POINTER(net_device_ctx->vf_netdev, NULL);
 	dev_put(vf_netdev);