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i40e: Clarify steps in MAC/VLAN filters initialization routine 

This patch clarifies the reason for removal of automatically
firmware-generated filter and explicit addition of filter which
accepts frames with any VLAN id.

Change-ID: Iabf180b6d61c4d8a36d3bcf8457c377a6f2aca0e
Signed-off-by: Filip Sadowski <filip.sadowski@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Filip Sadowski 2017-01-30 12:29:34 -08:00 committed by Jeff Kirsher
parent 26f77e53cf
commit 3954b39102
1 changed files with 4 additions and 4 deletions
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8
drivers/net/ethernet/intel/i40e/i40e_main.c
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@ -9461,10 +9461,10 @@ static int i40e_config_netdev(struct i40e_vsi *vsi)
if (vsi->type == I40E_VSI_MAIN) {
SET_NETDEV_DEV(netdev, &pf->pdev->dev);
ether_addr_copy(mac_addr, hw->mac.perm_addr);
/* The following steps are necessary to prevent reception
* of tagged packets - some older NVM configurations load a
* default a MAC-VLAN filter that accepts any tagged packet
* which must be replaced by a normal filter.
/* The following steps are necessary to properly keep track of
* MAC-VLAN filters loaded into firmware - first we remove
* filter that is automatically generated by firmware and then
* add new filter both to the driver hash table and firmware.
*/
i40e_rm_default_mac_filter(vsi, mac_addr);
spin_lock_bh(&vsi->mac_filter_hash_lock);