net/ice/base: add AQ LLDP filter control command

As of NVM ver 1.7.1 there is a new AQ command to add and remove
LLDP filters for Rx flow.  This patch implements the support
structure to implement this functionality.

Signed-off-by: Dave Ertman <david.m.ertman@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Acked-by: Qiming Yang <qiming.yang@intel.com>

diff --git a/drivers/net/ice/base/ice_common.c b/drivers/net/ice/base/ice_common.c
index fdde857..87dc9db 100644 (file)
--- a/drivers/net/ice/base/ice_common.c
+++ b/drivers/net/ice/base/ice_common.c
@@ -4799,3 +4799,50 @@ ice_aq_set_lldp_mib(struct ice_hw *hw, u8 mib_type, void *buf, u16 buf_size,
 
        return ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
 }
+
+/**
+ * ice_fw_supports_lldp_fltr - check NVM version supports lldp_fltr_ctrl
+ * @hw: pointer to HW struct
+ */
+bool ice_fw_supports_lldp_fltr_ctrl(struct ice_hw *hw)
+{
+       if (hw->mac_type != ICE_MAC_E810)
+               return false;
+
+       if (hw->api_maj_ver == ICE_FW_API_LLDP_FLTR_MAJ) {
+               if (hw->api_min_ver > ICE_FW_API_LLDP_FLTR_MIN)
+                       return true;
+               if (hw->api_min_ver == ICE_FW_API_LLDP_FLTR_MIN &&
+                   hw->api_patch >= ICE_FW_API_LLDP_FLTR_PATCH)
+                       return true;
+       } else if (hw->api_maj_ver > ICE_FW_API_LLDP_FLTR_MAJ) {
+               return true;
+       }
+       return false;
+}
+
+/**
+ * ice_lldp_fltr_add_remove - add or remove a LLDP Rx switch filter
+ * @hw: pointer to HW struct
+ * @vsi_num: absolute HW index for VSI
+ * @add: boolean for if adding or removing a filter
+ */
+enum ice_status
+ice_lldp_fltr_add_remove(struct ice_hw *hw, u16 vsi_num, bool add)
+{
+       struct ice_aqc_lldp_filter_ctrl *cmd;
+       struct ice_aq_desc desc;
+
+       cmd = &desc.params.lldp_filter_ctrl;
+
+       ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_filter_ctrl);
+
+       if (add)
+               cmd->cmd_flags = ICE_AQC_LLDP_FILTER_ACTION_ADD;
+       else
+               cmd->cmd_flags = ICE_AQC_LLDP_FILTER_ACTION_DELETE;
+
+       cmd->vsi_num = CPU_TO_LE16(vsi_num);
+
+       return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
+}

diff --git a/drivers/net/ice/base/ice_common.h b/drivers/net/ice/base/ice_common.h
index 1aea915..d176f74 100644 (file)
--- a/drivers/net/ice/base/ice_common.h
+++ b/drivers/net/ice/base/ice_common.h
@@ -223,4 +223,7 @@ ice_sched_query_elem(struct ice_hw *hw, u32 node_teid,
 enum ice_status
 ice_aq_set_lldp_mib(struct ice_hw *hw, u8 mib_type, void *buf, u16 buf_size,
                    struct ice_sq_cd *cd);
+bool ice_fw_supports_lldp_fltr_ctrl(struct ice_hw *hw);
+enum ice_status
+ice_lldp_fltr_add_remove(struct ice_hw *hw, u16 vsi_num, bool add);
 #endif /* _ICE_COMMON_H_ */

diff --git a/drivers/net/ice/base/ice_type.h b/drivers/net/ice/base/ice_type.h
index be6bdf9..c558a1c 100644 (file)
--- a/drivers/net/ice/base/ice_type.h
+++ b/drivers/net/ice/base/ice_type.h
@@ -1122,4 +1122,8 @@ enum ice_sw_fwd_act_type {
 #define GLPCI_LBARCTRL_VF_PE_DB_SIZE_8KB 0x1
 #define GLPCI_LBARCTRL_VF_PE_DB_SIZE_64KB 0x2
 
+/* AQ API version for LLDP_FILTER_CONTROL */
+#define ICE_FW_API_LLDP_FLTR_MAJ       1
+#define ICE_FW_API_LLDP_FLTR_MIN       7
+#define ICE_FW_API_LLDP_FLTR_PATCH     1
 #endif /* _ICE_TYPE_H_ */