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i40e: broadcast filters can trigger overflow promiscuous 

When adding a bunch of VLANs to all the ports on a device, it's possible
to run out of space for broadcast filters.  The driver should trigger
overflow promiscuous in this circumstance to prevent traffic from being
unexpectedly dropped.

Signed-off-by: Alan Brady <alan.brady@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
hifive-unleashed-5.1
Alan Brady 2018-01-22 12:00:33 -05:00 committed by Jeff Kirsher
parent 7be78aa444
commit a48350c29b
1 changed files with 4 additions and 2 deletions
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6
drivers/net/ethernet/intel/i40e/i40e_main.c
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@ -2177,11 +2177,13 @@ i40e_aqc_broadcast_filter(struct i40e_vsi *vsi, const char *vsi_name,
NULL);
}
if (aq_ret)
if (aq_ret) {
set_bit(__I40E_VSI_OVERFLOW_PROMISC, vsi->state);
dev_warn(&vsi->back->pdev->dev,
"Error %s setting broadcast promiscuous mode on %s\n",
"Error %s, forcing overflow promiscuous on %s\n",
i40e_aq_str(hw, hw->aq.asq_last_status),
vsi_name);
}
return aq_ret;
}