From: Christopher N Bednarz Date: Wed, 27 Feb 2019 00:35:16 +0000 (-0800) Subject: ice: Do not set LB_EN for prune switch rules X-Git-Tag: v5.2-rc1~133^2~318^2~3 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=b58dafbc6f1089942c1e74b8ab9c616fe06dbfac;p=linux.git 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 Reviewed-by: Bruce Allan Signed-off-by: Anirudh Venkataramanan Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- diff --git a/drivers/net/ethernet/intel/ice/ice_switch.c b/drivers/net/ethernet/intel/ice/ice_switch.c index 48864b59036a..22a14e2da94f 100644 --- a/drivers/net/ethernet/intel/ice/ice_switch.c +++ b/drivers/net/ethernet/intel/ice/ice_switch.c @@ -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)) { - fi->lb_en = true; + /* 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