[Intel-wired-lan] [PATCH 6/6] fm10k: clarify action when updating the VLAN table

[Jeff Kirsher]

From: Ngai-Mint Kwan <ngai-mint.kwan at intel.com>

Clarify the comment for when entering promiscuous mode that we update
the VLAN table. Add a comment distinguishing the case where we're
exiting promiscuous mode and need to clear the entire VLAN table.

Signed-off-by: Ngai-Mint Kwan <ngai-mint.kwan at intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller at gmail.com>
---
 drivers/net/ethernet/intel/fm10k/fm10k_netdev.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
index ec91eabbb723..f1cfa1a1586a 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
@@ -1165,10 +1165,12 @@ static void fm10k_set_rx_mode(struct net_device *dev)
 
 	/* update xcast mode first, but only if it changed */
 	if (interface->xcast_mode != xcast_mode) {
-		/* update VLAN table */
+		/* update VLAN table when entering promiscuous mode */
 		if (xcast_mode == FM10K_XCAST_MODE_PROMISC)
 			fm10k_queue_vlan_request(interface, FM10K_VLAN_ALL,
 						 0, true);
+
+		/* clear VLAN table when exiting promiscuous mode */
 		if (interface->xcast_mode == FM10K_XCAST_MODE_PROMISC)
 			fm10k_clear_unused_vlans(interface);
 
-- 
2.15.0

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