[dpdk-dev] [PATCH v4 10/38] net/ice/base: add APIs to add remove ethertype filter

[Qi Zhang <qi.z.zhang@intel.com>]

Add API ice_remove_eth_mac and ice_add_eth_mac to support
adding / removing ethertype (or MAC) based filter rules.

PMD driver can use these APIs to enable related rte_flow rule.

Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Reviewed-by: Qiming Yang <qiming.yang@intel.com>
Reviewed-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
---
 drivers/net/ice/base/ice_switch.c | 57 +++++++++++++++++++++++++++++++++++++++
 drivers/net/ice/base/ice_switch.h |  4 +++
 2 files changed, 61 insertions(+)

diff --git a/drivers/net/ice/base/ice_switch.c b/drivers/net/ice/base/ice_switch.c
index 4b53636b4..4af6a323c 100644
--- a/drivers/net/ice/base/ice_switch.c
+++ b/drivers/net/ice/base/ice_switch.c
@@ -2415,6 +2415,63 @@ ice_add_mac_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *mv_list)
 }
 #endif
 
+/**
+ * ice_add_eth_mac - Add ethertype and MAC based filter rule
+ * @hw: pointer to the hardware structure
+ * @em_list: list of ether type MAC filter, MAC is optional
+ */
+enum ice_status
+ice_add_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list)
+{
+	struct ice_fltr_list_entry *em_list_itr;
+
+	LIST_FOR_EACH_ENTRY(em_list_itr, em_list, ice_fltr_list_entry,
+			    list_entry) {
+		enum ice_sw_lkup_type l_type =
+			em_list_itr->fltr_info.lkup_type;
+
+		if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC &&
+		    l_type != ICE_SW_LKUP_ETHERTYPE)
+			return ICE_ERR_PARAM;
+
+		em_list_itr->fltr_info.flag = ICE_FLTR_TX;
+		em_list_itr->status = ice_add_rule_internal(hw, l_type,
+							    em_list_itr);
+		if (em_list_itr->status)
+			return em_list_itr->status;
+	}
+	return ICE_SUCCESS;
+}
+
+/**
+ * ice_remove_eth_mac - Remove an ethertype (or MAC) based filter rule
+ * @hw: pointer to the hardware structure
+ * @em_list: list of ethertype or ethertype MAC entries
+ */
+enum ice_status
+ice_remove_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list)
+{
+	struct ice_fltr_list_entry *em_list_itr, *tmp;
+
+	if (!em_list || !hw)
+		return ICE_ERR_PARAM;
+
+	LIST_FOR_EACH_ENTRY_SAFE(em_list_itr, tmp, em_list, ice_fltr_list_entry,
+				 list_entry) {
+		enum ice_sw_lkup_type l_type =
+			em_list_itr->fltr_info.lkup_type;
+
+		if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC &&
+		    l_type != ICE_SW_LKUP_ETHERTYPE)
+			return ICE_ERR_PARAM;
+
+		em_list_itr->status = ice_remove_rule_internal(hw, l_type,
+							       em_list_itr);
+		if (em_list_itr->status)
+			return em_list_itr->status;
+	}
+	return ICE_SUCCESS;
+}
 
 
 /**
diff --git a/drivers/net/ice/base/ice_switch.h b/drivers/net/ice/base/ice_switch.h
index c6d31475c..f331621e1 100644
--- a/drivers/net/ice/base/ice_switch.h
+++ b/drivers/net/ice/base/ice_switch.h
@@ -347,6 +347,10 @@ ice_add_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list);
 enum ice_status ice_add_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_lst);
 enum ice_status ice_remove_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_lst);
 enum ice_status
+ice_add_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list);
+enum ice_status
+ice_remove_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list);
+enum ice_status
 ice_remove_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list);
 #ifndef NO_MACVLAN_SUPPORT
 enum ice_status
-- 
2.13.6