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fm10k: clarify action when updating the VLAN table

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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@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@gmail.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Ngai-Mint Kwan 2018-01-24 14:23:27 -08:00 committed by Jeff Kirsher
parent 6ee98686d1
commit e0752a68d8
1 changed files with 3 additions and 1 deletions
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4
drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
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@ -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);