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ixgbe: fix inconsistent clearing of the multicast table 

This patch resolves an issue where the MTA table can be cleared when the
interface is reset while in promisc mode. As result IPv6 traffic between
VFs will be interrupted.

This patch makes the update of the MTA table unconditional to avoid the
inconsistent clearing on reset.

Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Emil Tantilov 2013-10-26 08:13:20 +00:00 committed by Jeff Kirsher
parent f880d07bc5
commit cf78959c0d
1 changed files with 7 additions and 8 deletions
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15
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
View File

@ -3823,14 +3823,6 @@ void ixgbe_set_rx_mode(struct net_device *netdev)
if (netdev->flags & IFF_ALLMULTI) {
fctrl |= IXGBE_FCTRL_MPE;
vmolr |= IXGBE_VMOLR_MPE;
} else {
/*
* Write addresses to the MTA, if the attempt fails
* then we should just turn on promiscuous mode so
* that we can at least receive multicast traffic
*/
hw->mac.ops.update_mc_addr_list(hw, netdev);
vmolr |= IXGBE_VMOLR_ROMPE;
}
ixgbe_vlan_filter_enable(adapter);
hw->addr_ctrl.user_set_promisc = false;
@ -3847,6 +3839,13 @@ void ixgbe_set_rx_mode(struct net_device *netdev)
vmolr |= IXGBE_VMOLR_ROPE;
}
/* Write addresses to the MTA, if the attempt fails
* then we should just turn on promiscuous mode so
* that we can at least receive multicast traffic
*/
hw->mac.ops.update_mc_addr_list(hw, netdev);
vmolr |= IXGBE_VMOLR_ROMPE;
if (adapter->num_vfs)
ixgbe_restore_vf_multicasts(adapter);