Commit b58dafbc authored Feb 26, 2019 by Christopher N Bednarz Committed by Jeff Kirsher Mar 22, 2019

ice: Do not set LB_EN for prune switch rules



LB_EN for prune switch rules was causing all TX traffic
to loopback to the internal switch and dropped.  When
running bi-directional stress workloads with RDMA
the RDPU would hang blocking tx and rx traffic.

Signed-off-by: Christopher N Bednarz <christopher.n.bednarz@intel.com>
Reviewed-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

parent 277b3a45

drivers/net/ethernet/intel/ice/ice_switch.c

+6 −1

Original line number	Diff line number	Diff line
		@@ -643,7 +643,12 @@ static void ice_fill_sw_info(struct ice_hw hw, struct ice_fltr_info fi)
		fi->fltr_act == ICE_FWD_TO_VSI_LIST \|\|
		fi->fltr_act == ICE_FWD_TO_Q \|\|
		fi->fltr_act == ICE_FWD_TO_QGRP)) {
		/* Setting LB for prune actions will result in replicated
		* packets to the internal switch that will be dropped.
		*/
		if (fi->lkup_type != ICE_SW_LKUP_VLAN)
		fi->lb_en = true;

		/* Set lan_en to TRUE if
		* 1. The switch is a VEB AND
		* 2

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