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ice: Do not set LB_EN for prune switch rules

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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>
This commit is contained in:
Christopher N Bednarz 2019-02-26 16:35:16 -08:00 committed by Jeff Kirsher
parent 277b3a4547
commit b58dafbc6f
1 changed files with 6 additions and 1 deletions
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7
drivers/net/ethernet/intel/ice/ice_switch.c
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@ -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