net: aquantia: added vlan offload related macros and functions

Register declaration macros required to work with vlan offload mode.

Tested-by: Nikita Danilov <ndanilov@aquantia.com>
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0_internal.h

@@ -107,10 +107,17 @@
 #define HW_ATL_B0_RXD_NCEA0 (0x1)
 
 #define HW_ATL_B0_RXD_WB_STAT_RSSTYPE (0x0000000F)
+#define HW_ATL_B0_RXD_WB_STAT_RSSTYPE_SHIFT (0x0)
 #define HW_ATL_B0_RXD_WB_STAT_PKTTYPE (0x00000FF0)
+#define HW_ATL_B0_RXD_WB_STAT_PKTTYPE_SHIFT (0x4)
 #define HW_ATL_B0_RXD_WB_STAT_RXCTRL  (0x00180000)
+#define HW_ATL_B0_RXD_WB_STAT_RXCTRL_SHIFT (0x13)
 #define HW_ATL_B0_RXD_WB_STAT_SPLHDR  (0x00200000)
 #define HW_ATL_B0_RXD_WB_STAT_HDRLEN  (0xFFC00000)
+#define HW_ATL_B0_RXD_WB_STAT_HDRLEN_SHIFT (0x16)
+
+#define HW_ATL_B0_RXD_WB_PKTTYPE_VLAN          BIT(5)
+#define HW_ATL_B0_RXD_WB_PKTTYPE_VLAN_DOUBLE   BIT(6)
 
 #define HW_ATL_B0_RXD_WB_STAT2_DD      (0x0001)
 #define HW_ATL_B0_RXD_WB_STAT2_EOP     (0x0002)

drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c

@@ -1004,6 +1004,22 @@ void hw_atl_rpo_rx_desc_vlan_stripping_set(struct aq_hw_s *aq_hw,
 			    rx_desc_vlan_stripping);
 }
 
+void hw_atl_rpo_outer_vlan_tag_mode_set(void *context,
+					u32 outervlantagmode)
+{
+	aq_hw_write_reg_bit(context, HW_ATL_RPO_OUTER_VL_INS_MODE_ADR,
+			    HW_ATL_RPO_OUTER_VL_INS_MODE_MSK,
+			    HW_ATL_RPO_OUTER_VL_INS_MODE_SHIFT,
+			    outervlantagmode);
+}
+
+u32 hw_atl_rpo_outer_vlan_tag_mode_get(void *context)
+{
+	return aq_hw_read_reg_bit(context, HW_ATL_RPO_OUTER_VL_INS_MODE_ADR,
+				  HW_ATL_RPO_OUTER_VL_INS_MODE_MSK,
+				  HW_ATL_RPO_OUTER_VL_INS_MODE_SHIFT);
+}
+
 void hw_atl_rpo_tcp_udp_crc_offload_en_set(struct aq_hw_s *aq_hw,
 					   u32 tcp_udp_crc_offload_en)
 {

drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h

@@ -488,6 +488,11 @@ void hw_atl_rpo_rx_desc_vlan_stripping_set(struct aq_hw_s *aq_hw,
 					   u32 rx_desc_vlan_stripping,
 					   u32 descriptor);
 
+void hw_atl_rpo_outer_vlan_tag_mode_set(void *context,
+					u32 outervlantagmode);
+
+u32 hw_atl_rpo_outer_vlan_tag_mode_get(void *context);
+
 /* set tcp/udp checksum offload enable */
 void hw_atl_rpo_tcp_udp_crc_offload_en_set(struct aq_hw_s *aq_hw,
 					   u32 tcp_udp_crc_offload_en);

drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h

@@ -1383,6 +1383,24 @@
 /* default value of bitfield l4_chk_en */
 #define HW_ATL_RPOL4CHK_EN_DEFAULT 0x0
 
+/* RX outer_vl_ins_mode Bitfield Definitions
+ * Preprocessor definitions for the bitfield "outer_vl_ins_mode".
+ * PORT="pif_rpo_outer_vl_mode_i"
+ */
+
+/* Register address for bitfield outer_vl_ins_mode */
+#define HW_ATL_RPO_OUTER_VL_INS_MODE_ADR 0x00005580
+/* Bitmask for bitfield outer_vl_ins_mode */
+#define HW_ATL_RPO_OUTER_VL_INS_MODE_MSK 0x00000004
+/* Inverted bitmask for bitfield outer_vl_ins_mode */
+#define HW_ATL_RPO_OUTER_VL_INS_MODE_MSKN 0xFFFFFFFB
+/* Lower bit position of bitfield outer_vl_ins_mode */
+#define HW_ATL_RPO_OUTER_VL_INS_MODE_SHIFT 2
+/* Width of bitfield outer_vl_ins_mode */
+#define HW_ATL_RPO_OUTER_VL_INS_MODE_WIDTH 1
+/* Default value of bitfield outer_vl_ins_mode */
+#define HW_ATL_RPO_OUTER_VL_INS_MODE_DEFAULT 0x0
+
 /* rx reg_res_dsbl bitfield definitions
  * preprocessor definitions for the bitfield "reg_res_dsbl".
  * port="pif_rx_reg_res_dsbl_i"