summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/intel/ice/ice_fltr.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_fltr.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_fltr.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_fltr.c b/drivers/net/ethernet/intel/ice/ice_fltr.c
index 2418d4fff037..c2e78eaf4ccb 100644
--- a/drivers/net/ethernet/intel/ice/ice_fltr.c
+++ b/drivers/net/ethernet/intel/ice/ice_fltr.c
@@ -395,3 +395,83 @@ enum ice_status ice_fltr_remove_eth(struct ice_vsi *vsi, u16 ethertype,
return ice_fltr_prepare_eth(vsi, ethertype, flag, action,
ice_fltr_remove_eth_list);
}
+
+/**
+ * ice_fltr_update_rule_flags - update lan_en/lb_en flags
+ * @hw: pointer to hw
+ * @rule_id: id of rule being updated
+ * @recipe_id: recipe id of rule
+ * @act: current action field
+ * @type: Rx or Tx
+ * @src: source VSI
+ * @new_flags: combinations of lb_en and lan_en
+ */
+static enum ice_status
+ice_fltr_update_rule_flags(struct ice_hw *hw, u16 rule_id, u16 recipe_id,
+ u32 act, u16 type, u16 src, u32 new_flags)
+{
+ struct ice_aqc_sw_rules_elem *s_rule;
+ enum ice_status err;
+ u32 flags_mask;
+
+ s_rule = kzalloc(ICE_SW_RULE_RX_TX_NO_HDR_SIZE, GFP_KERNEL);
+ if (!s_rule)
+ return ICE_ERR_NO_MEMORY;
+
+ flags_mask = ICE_SINGLE_ACT_LB_ENABLE | ICE_SINGLE_ACT_LAN_ENABLE;
+ act &= ~flags_mask;
+ act |= (flags_mask & new_flags);
+
+ s_rule->pdata.lkup_tx_rx.recipe_id = cpu_to_le16(recipe_id);
+ s_rule->pdata.lkup_tx_rx.index = cpu_to_le16(rule_id);
+ s_rule->pdata.lkup_tx_rx.act = cpu_to_le32(act);
+
+ if (type & ICE_FLTR_RX) {
+ s_rule->pdata.lkup_tx_rx.src =
+ cpu_to_le16(hw->port_info->lport);
+ s_rule->type = cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_RX);
+
+ } else {
+ s_rule->pdata.lkup_tx_rx.src = cpu_to_le16(src);
+ s_rule->type = cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_TX);
+ }
+
+ err = ice_aq_sw_rules(hw, s_rule, ICE_SW_RULE_RX_TX_NO_HDR_SIZE, 1,
+ ice_aqc_opc_update_sw_rules, NULL);
+
+ kfree(s_rule);
+ return err;
+}
+
+/**
+ * ice_fltr_build_action - build action for rule
+ * @vsi_id: id of VSI which is use to build action
+ */
+static u32 ice_fltr_build_action(u16 vsi_id)
+{
+ return ((vsi_id << ICE_SINGLE_ACT_VSI_ID_S) & ICE_SINGLE_ACT_VSI_ID_M) |
+ ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_VALID_BIT;
+}
+
+/**
+ * ice_fltr_update_flags_dflt_rule - update flags on default rule
+ * @vsi: pointer to VSI
+ * @rule_id: id of rule
+ * @direction: Tx or Rx
+ * @new_flags: flags to update
+ *
+ * Function updates flags on default rule with ICE_SW_LKUP_DFLT.
+ *
+ * Flags should be a combination of ICE_SINGLE_ACT_LB_ENABLE and
+ * ICE_SINGLE_ACT_LAN_ENABLE.
+ */
+enum ice_status
+ice_fltr_update_flags_dflt_rule(struct ice_vsi *vsi, u16 rule_id, u8 direction,
+ u32 new_flags)
+{
+ u32 action = ice_fltr_build_action(vsi->vsi_num);
+ struct ice_hw *hw = &vsi->back->hw;
+
+ return ice_fltr_update_rule_flags(hw, rule_id, ICE_SW_LKUP_DFLT, action,
+ direction, vsi->vsi_num, new_flags);
+}