mlxsw: reg: Extend mlxsw_reg_mpat_pack()

To support encapsulated SPAN, extend mlxsw_reg_mpat_pack() with a field
to set the SPAN type.
Signed-off-by: NPetr Machata <petrm@mellanox.com>
Reviewed-by: NIdo Schimmel <idosch@mellanox.com>
Signed-off-by: NJiri Pirko <jiri@mellanox.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlxsw/reg.h

@@ -6868,7 +6868,8 @@ MLXSW_ITEM32(reg, mpat, eth_rspan_sip4, 0x5C, 0, 32);
 MLXSW_ITEM_BUF(reg, mpat, eth_rspan_sip6, 0x50, 16);
 
 static inline void mlxsw_reg_mpat_pack(char *payload, u8 pa_id,
-				       u16 system_port, bool e)
+				       u16 system_port, bool e,
+				       enum mlxsw_reg_mpat_span_type span_type)
 {
 	MLXSW_REG_ZERO(mpat, payload);
 	mlxsw_reg_mpat_pa_id_set(payload, pa_id);
@@ -6876,6 +6877,7 @@ static inline void mlxsw_reg_mpat_pack(char *payload, u8 pa_id,
 	mlxsw_reg_mpat_e_set(payload, e);
 	mlxsw_reg_mpat_qos_set(payload, 1);
 	mlxsw_reg_mpat_be_set(payload, 1);
+	mlxsw_reg_mpat_span_type_set(payload, span_type);
 }
 
 static inline void mlxsw_reg_mpat_eth_rspan_pack(char *payload, u16 vid)

drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c

@@ -93,7 +93,8 @@ mlxsw_sp_span_entry_create(struct mlxsw_sp_port *port)
 		return NULL;
 
 	/* create a new port analayzer entry for local_port */
-	mlxsw_reg_mpat_pack(mpat_pl, index, local_port, true);
+	mlxsw_reg_mpat_pack(mpat_pl, index, local_port, true,
+			    MLXSW_REG_MPAT_SPAN_TYPE_LOCAL_ETH);
 	err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mpat), mpat_pl);
 	if (err)
 		return NULL;
@@ -111,7 +112,8 @@ static void mlxsw_sp_span_entry_destroy(struct mlxsw_sp *mlxsw_sp,
 	char mpat_pl[MLXSW_REG_MPAT_LEN];
 	int pa_id = span_entry->id;
 
-	mlxsw_reg_mpat_pack(mpat_pl, pa_id, local_port, false);
+	mlxsw_reg_mpat_pack(mpat_pl, pa_id, local_port, false,
+			    MLXSW_REG_MPAT_SPAN_TYPE_LOCAL_ETH);
 	mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mpat), mpat_pl);
 }