ice: Do not set LAN_EN for MAC-VLAN filters

In the action fields for a MAC-VLAN filter, do not set the LAN_EN flag
if the MAC in the MAC-VLAN is unicast MAC. The unicast packets that
match should not be forwarded to the wire.

Signed-off-by: Yashaswini Raghuram Prathivadi Bhayankaram <yashaswini.raghuram.prathivadi.bhayankaram@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>

1 files changed, 24 insertions, 13 deletions

diff --git a/drivers/net/ethernet/intel/ice/ice_switch.c b/drivers/net/ethernet/intel/ice/ice_switch.c
index 40c9c6558956..107ca08899b6 100644
--- a/drivers/net/ethernet/intel/ice/ice_switch.c
+++ b/drivers/net/ethernet/intel/ice/ice_switch.c
@@ -629,25 +629,36 @@ enum ice_status ice_get_initial_sw_cfg(struct ice_hw *hw)
 /**
  * ice_fill_sw_info - Helper function to populate lb_en and lan_en
  * @hw: pointer to the hardware structure
- * @f_info: filter info structure to fill/update
+ * @fi: filter info structure to fill/update
  *
  * This helper function populates the lb_en and lan_en elements of the provided
  * ice_fltr_info struct using the switch's type and characteristics of the
  * switch rule being configured.
  */
-static void ice_fill_sw_info(struct ice_hw *hw, struct ice_fltr_info *f_info)
+static void ice_fill_sw_info(struct ice_hw *hw, struct ice_fltr_info *fi)
 {
-        f_info->lb_en = false;
-        f_info->lan_en = false;
-        if ((f_info->flag & ICE_FLTR_TX) &&
-            (f_info->fltr_act == ICE_FWD_TO_VSI ||
-             f_info->fltr_act == ICE_FWD_TO_VSI_LIST ||
-             f_info->fltr_act == ICE_FWD_TO_Q ||
-             f_info->fltr_act == ICE_FWD_TO_QGRP)) {
-                f_info->lb_en = true;
-                if (!(hw->evb_veb && f_info->lkup_type == ICE_SW_LKUP_MAC &&
-                      is_unicast_ether_addr(f_info->l_data.mac.mac_addr)))
-                        f_info->lan_en = true;
+        fi->lb_en = false;
+        fi->lan_en = false;
+        if ((fi->flag & ICE_FLTR_TX) &&
+            (fi->fltr_act == ICE_FWD_TO_VSI ||
+             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;
+                /* Do not set lan_en to TRUE if
+                 * 1. The switch is a VEB AND
+                 * 2
+                 * 2.1 The lookup is MAC with unicast addr for MAC, OR
+                 * 2.2 The lookup is MAC_VLAN with unicast addr for MAC
+                 *
+                 * In all other cases, the LAN enable has to be set to true.
+                 */
+                if (!(hw->evb_veb &&
+                      ((fi->lkup_type == ICE_SW_LKUP_MAC &&
+                        is_unicast_ether_addr(fi->l_data.mac.mac_addr)) ||
+                       (fi->lkup_type == ICE_SW_LKUP_MAC_VLAN &&
+                        is_unicast_ether_addr(fi->l_data.mac_vlan.mac_addr)))))
+                        fi->lan_en = true;
         }
 }