Re: [dpdk-dev] [PATCH] net/ice/base: fix DCF switch rule

["Lu, Nannan" <nannan.lu@intel.com>]

Tested-by: Lu, Nannan <nannan.lu@intel.com>

-----Original Message-----
From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Qi Zhang
Sent: Thursday, April 23, 2020 11:07 AM
To: Yang, Qiming <qiming.yang@intel.com>
Cc: Ye, Xiaolong <xiaolong.ye@intel.com>; dev@dpdk.org; Zhang, Qi Z <qi.z.zhang@intel.com>
Subject: [dpdk-dev] [PATCH] net/ice/base: fix DCF switch rule

1. ln_en bit should not be turned on, since we only support Rx VEB.
2. lan_en bit need to be turn on for a DCF switch rule, otherwise
   any Tx packet that hit on a rule will be dropped.

Fixes: fed0c5ca5f19 ("net/ice/base: support programming a new switch recipe")

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
 drivers/net/ice/base/ice_switch.c   | 10 +++++++++-
 drivers/net/ice/ice_switch_filter.c |  1 +
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ice/base/ice_switch.c b/drivers/net/ice/base/ice_switch.c
index fd2cf101a..08999d336 100644
--- a/drivers/net/ice/base/ice_switch.c
+++ b/drivers/net/ice/base/ice_switch.c
@@ -1938,6 +1938,13 @@ static void ice_fill_sw_info(struct ice_hw *hw, struct ice_fltr_info *fi)  {
 	fi->lb_en = false;
 	fi->lan_en = false;
+
+	if ((fi->flag & ICE_FLTR_RX) &&
+	    (fi->fltr_act == ICE_FWD_TO_VSI ||
+	     fi->fltr_act == ICE_FWD_TO_VSI_LIST) &&
+	    fi->lkup_type == ICE_SW_LKUP_LAST)
+		fi->lan_en = true;
+
 	if ((fi->flag & ICE_FLTR_TX) &&
 	    (fi->fltr_act == ICE_FWD_TO_VSI ||
 	     fi->fltr_act == ICE_FWD_TO_VSI_LIST || @@ -6453,6 +6460,7 @@ ice_adv_add_update_vsi_list(struct ice_hw *hw,
 			return status;
 
 		ice_memset(&tmp_fltr, 0, sizeof(tmp_fltr), ICE_NONDMA_MEM);
+		tmp_fltr.flag = m_entry->rule_info.sw_act.flag;
 		tmp_fltr.fltr_rule_id = cur_fltr->fltr_rule_id;
 		tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
 		tmp_fltr.fwd_id.vsi_list_id = vsi_list_id; @@ -6615,7 +6623,7 @@ ice_add_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
 	s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, rule_buf_sz);
 	if (!s_rule)
 		return ICE_ERR_NO_MEMORY;
-	act |= ICE_SINGLE_ACT_LB_ENABLE | ICE_SINGLE_ACT_LAN_ENABLE;
+	act |= ICE_SINGLE_ACT_LAN_ENABLE;
 	switch (rinfo->sw_act.fltr_act) {
 	case ICE_FWD_TO_VSI:
 		act |= (rinfo->sw_act.fwd_id.hw_vsi_id << diff --git a/drivers/net/ice/ice_switch_filter.c b/drivers/net/ice/ice_switch_filter.c
index 55a5618a7..8b007b7eb 100644
--- a/drivers/net/ice/ice_switch_filter.c
+++ b/drivers/net/ice/ice_switch_filter.c
@@ -1129,6 +1129,7 @@ ice_switch_parse_dcf_action(const struct rte_flow_action *actions,
 	}
 
 	rule_info->sw_act.src = rule_info->sw_act.vsi_handle;
+	rule_info->sw_act.flag = ICE_FLTR_RX;
 	rule_info->rx = 1;
 	rule_info->priority = 5;
 
--
2.13.6