Commit a48350c2 authored Jan 22, 2018 by Alan Brady Committed by Jeff Kirsher Feb 13, 2018

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>

parent 7be78aa4

drivers/net/ethernet/intel/i40e/i40e_main.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -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;
		}