/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2001-2018
+ * Copyright(c) 2001-2019
*/
#ifndef _ICE_LAN_TX_RX_H_
#define _ICE_LAN_TX_RX_H_
#include "ice_osdep.h"
-/* RX Descriptors */
+/* Rx Descriptors */
union ice_16byte_rx_desc {
struct {
__le64 pkt_addr; /* Packet buffer address */
} lo_dword;
union {
__le32 rss; /* RSS Hash */
- __le32 fd_id; /* Flow Director filter id */
+ __le32 fd_id; /* Flow Director filter ID */
} hi_dword;
} qword0;
struct {
} lo_dword;
union {
__le32 rss; /* RSS Hash */
- __le32 fd_id; /* Flow Director filter id */
+ __le32 fd_id; /* Flow Director filter ID */
} hi_dword;
} qword0;
struct {
#define ICE_FXD_FLTR_QW1_FDID_PRI_S 25
#define ICE_FXD_FLTR_QW1_FDID_PRI_M (0x7ULL << ICE_FXD_FLTR_QW1_FDID_PRI_S)
-#define ICE_FXD_FLTR_QW1_FDID_PRI_ZERO 0x0ULL
+#define ICE_FXD_FLTR_QW1_FDID_PRI_ONE 0x1ULL
#define ICE_FXD_FLTR_QW1_FDID_MDID_S 28
#define ICE_FXD_FLTR_QW1_FDID_MDID_M (0xFULL << ICE_FXD_FLTR_QW1_FDID_MDID_S)
ICE_RX_DESC_STATUS_L2TAG1P_S = 2,
ICE_RX_DESC_STATUS_L3L4P_S = 3,
ICE_RX_DESC_STATUS_CRCP_S = 4,
- ICE_RX_DESC_STATUS_TSYNINDX_S = 5, /* 2 BITS */
+ ICE_RX_DESC_STATUS_TSYNINDX_S = 5,
ICE_RX_DESC_STATUS_TSYNVALID_S = 7,
ICE_RX_DESC_STATUS_EXT_UDP_0_S = 8,
- ICE_RX_DESC_STATUS_UMBCAST_S = 9, /* 2 BITS */
+ ICE_RX_DESC_STATUS_UMBCAST_S = 9,
ICE_RX_DESC_STATUS_FLM_S = 11,
- ICE_RX_DESC_STATUS_FLTSTAT_S = 12, /* 2 BITS */
+ ICE_RX_DESC_STATUS_FLTSTAT_S = 12,
ICE_RX_DESC_STATUS_LPBK_S = 14,
ICE_RX_DESC_STATUS_IPV6EXADD_S = 15,
- ICE_RX_DESC_STATUS_RESERVED2_S = 16, /* 2 BITS */
+ ICE_RX_DESC_STATUS_RESERVED2_S = 16,
ICE_RX_DESC_STATUS_INT_UDP_0_S = 18,
ICE_RX_DESC_STATUS_LAST /* this entry must be last!!! */
};
/* Note: These are predefined bit offsets */
ICE_RX_DESC_EXT_STATUS_L2TAG2P_S = 0,
ICE_RX_DESC_EXT_STATUS_L2TAG3P_S = 1,
- ICE_RX_DESC_EXT_STATUS_FLEXBL_S = 2, /* 2 BITS */
- ICE_RX_DESC_EXT_STATUS_FLEXBH_S = 4, /* 2 BITS */
+ ICE_RX_DESC_EXT_STATUS_FLEXBL_S = 2,
+ ICE_RX_DESC_EXT_STATUS_FLEXBH_S = 4,
ICE_RX_DESC_EXT_STATUS_FDLONGB_S = 9,
ICE_RX_DESC_EXT_STATUS_PELONGB_S = 11,
};
ICE_RX_PROG_STATUS_DESC_NO_FD_ENTRY_S = 1,
};
-/* RX Flex Descriptor
+/* Rx Flex Descriptor
* This descriptor is used instead of the legacy version descriptor when
* ice_rlan_ctx.adv_desc is set
*/
} read;
struct {
/* Qword 0 */
- u8 rxdid; /* descriptor builder profile id */
+ u8 rxdid; /* descriptor builder profile ID */
u8 mir_id_umb_cast; /* mirror=[5:0], umb=[7:6] */
__le16 ptype_flex_flags0; /* ptype=[9:0], ff0=[15:10] */
__le16 pkt_len; /* [15:14] are reserved */
};
/* Rx Flex Descriptor NIC Profile
- * RxDID Profile Id 2
+ * RxDID Profile ID 2
* Flex-field 0: RSS hash lower 16-bits
* Flex-field 1: RSS hash upper 16-bits
- * Flex-field 2: Flow Id lower 16-bits
- * Flex-field 3: Flow Id higher 16-bits
- * Flex-field 4: reserved, Vlan id taken from L2Tag
+ * Flex-field 2: Flow ID lower 16-bits
+ * Flex-field 3: Flow ID higher 16-bits
+ * Flex-field 4: reserved, VLAN ID taken from L2Tag
*/
struct ice_32b_rx_flex_desc_nic {
/* Qword 0 */
};
/* Rx Flex Descriptor Switch Profile
- * RxDID Profile Id 3
- * Flex-field 0: Source Vsi
+ * RxDID Profile ID 3
+ * Flex-field 0: Source VSI
*/
struct ice_32b_rx_flex_desc_sw {
/* Qword 0 */
};
/* Rx Flex Descriptor NIC VEB Profile
- * RxDID Profile Id 4
- * Flex-field 0: Destination Vsi
+ * RxDID Profile ID 4
+ * Flex-field 0: Destination VSI
*/
struct ice_32b_rx_flex_desc_nic_veb_dbg {
/* Qword 0 */
/* Qword 1 */
__le16 status_error0;
__le16 l2tag1;
- __le16 dst_vsi; /* [0:12]: destination vsi */
- /* 13: vsi valid bit */
+ __le16 dst_vsi; /* [0:12]: destination VSI */
+ /* 13: VSI valid bit */
/* [14:15] are reserved */
__le16 flex_field_1;
};
/* Rx Flex Descriptor NIC ACL Profile
- * RxDID Profile Id 5
+ * RxDID Profile ID 5
* Flex-field 0: ACL Counter 0
* Flex-field 1: ACL Counter 1
* Flex-field 2: ACL Counter 2
};
/* Rx Flex Descriptor NIC Profile
- * RxDID Profile Id 6
+ * RxDID Profile ID 6
* Flex-field 0: RSS hash lower 16-bits
* Flex-field 1: RSS hash upper 16-bits
- * Flex-field 2: Flow Id lower 16-bits
- * Flex-field 3: Source Vsi
- * Flex-field 4: reserved, Vlan id taken from L2Tag
+ * Flex-field 2: Flow ID lower 16-bits
+ * Flex-field 3: Source VSI
+ * Flex-field 4: reserved, VLAN ID taken from L2Tag
*/
struct ice_32b_rx_flex_desc_nic_2 {
/* Qword 0 */
ICE_RX_OPC_PROTID
};
-/* Receive Descriptor MDID values */
-enum ice_flex_rx_mdid {
- ICE_RX_MDID_FLOW_ID_LOWER = 5,
- ICE_RX_MDID_FLOW_ID_HIGH,
- ICE_RX_MDID_DST_VSI = 13,
- ICE_RX_MDID_SRC_VSI = 19,
- ICE_RX_MDID_HASH_LOW = 56,
- ICE_RX_MDID_HASH_HIGH,
- ICE_RX_MDID_ACL_CTR0 = ICE_RX_MDID_HASH_LOW,
- ICE_RX_MDID_ACL_CTR1 = ICE_RX_MDID_HASH_HIGH,
- ICE_RX_MDID_ACL_CTR2 = 59
+/* Receive Descriptor MDID values that access packet flags */
+enum ice_flex_mdid_pkt_flags {
+ ICE_RX_MDID_PKT_FLAGS_15_0 = 20,
+ ICE_RX_MDID_PKT_FLAGS_31_16,
+ ICE_RX_MDID_PKT_FLAGS_47_32,
+ ICE_RX_MDID_PKT_FLAGS_63_48,
+};
+
+/* Generic descriptor MDID values */
+enum ice_flex_mdid {
+ ICE_MDID_GENERIC_WORD_0,
+ ICE_MDID_GENERIC_WORD_1,
+ ICE_MDID_GENERIC_WORD_2,
+ ICE_MDID_GENERIC_WORD_3,
+ ICE_MDID_GENERIC_WORD_4,
+ ICE_MDID_FLOW_ID_LOWER,
+ ICE_MDID_FLOW_ID_HIGH,
+ ICE_MDID_RX_DESCR_PROF_IDX,
+ ICE_MDID_RX_PKT_DROP,
+ ICE_MDID_RX_DST_Q = 12,
+ ICE_MDID_RX_DST_VSI,
+ ICE_MDID_SRC_VSI = 19,
+ ICE_MDID_ACL_NOP = 55,
+ /* Entry 56 */
+ ICE_MDID_RX_HASH_LOW,
+ ICE_MDID_ACL_CNTR_PKT = ICE_MDID_RX_HASH_LOW,
+ /* Entry 57 */
+ ICE_MDID_RX_HASH_HIGH,
+ ICE_MDID_ACL_CNTR_BYTES = ICE_MDID_RX_HASH_HIGH,
+ ICE_MDID_ACL_CNTR_PKT_BYTES
};
/* for ice_32byte_rx_flex_desc.mir_id_umb_cast member */
#define ICE_RX_FLEX_DESC_MIRROR_M (0x3F) /* 6-bits */
-/* Rx Flag64 packet flag bits */
-enum ice_rx_flg64_bits {
- ICE_RXFLG_PKT_DSI = 0,
- ICE_RXFLG_EVLAN_x8100 = 15,
- ICE_RXFLG_EVLAN_x9100,
- ICE_RXFLG_VLAN_x8100,
- ICE_RXFLG_TNL_MAC = 22,
- ICE_RXFLG_TNL_VLAN,
- ICE_RXFLG_PKT_FRG,
- ICE_RXFLG_FIN = 32,
- ICE_RXFLG_SYN,
- ICE_RXFLG_RST,
- ICE_RXFLG_TNL0 = 38,
- ICE_RXFLG_TNL1,
- ICE_RXFLG_TNL2,
- ICE_RXFLG_UDP_GRE,
- ICE_RXFLG_RSVD = 63
+/* Rx/Tx Flag64 packet flag bits */
+enum ice_flg64_bits {
+ ICE_FLG_PKT_DSI = 0,
+ /* If there is a 1 in this bit position then that means Rx packet */
+ ICE_FLG_PKT_DIR = 4,
+ ICE_FLG_EVLAN_x8100 = 15,
+ ICE_FLG_EVLAN_x9100,
+ ICE_FLG_VLAN_x8100,
+ ICE_FLG_TNL_MAC = 22,
+ ICE_FLG_TNL_VLAN,
+ ICE_FLG_PKT_FRG,
+ ICE_FLG_FIN = 32,
+ ICE_FLG_SYN,
+ ICE_FLG_RST,
+ ICE_FLG_TNL0 = 38,
+ ICE_FLG_TNL1,
+ ICE_FLG_TNL2,
+ ICE_FLG_UDP_GRE,
+ ICE_FLG_RSVD = 63
};
enum ice_rx_flex_desc_umb_cast_bits { /* field is 2 bits long */
u8 tphdata_ena;
u8 tphhead_ena;
u16 lrxqthresh; /* bigger than needed, see above for reason */
+ u8 prefena; /* NOTE: normally must be set to 1 at init */
};
struct ice_ctx_ele {
ICE_RLAN_RX_HSPLIT_1_SPLIT_ALWAYS = 2,
};
-/* TX Descriptor */
+/* Tx Descriptor */
struct ice_tx_desc {
__le64 buf_addr; /* Address of descriptor's data buf */
__le64 cmd_type_offset_bsz;
ICE_TX_DESC_CMD_RSVD = 0x0004,
ICE_TX_DESC_CMD_IL2TAG1 = 0x0008,
ICE_TX_DESC_CMD_DUMMY = 0x0010,
- ICE_TX_DESC_CMD_IIPT_NONIP = 0x0000, /* 2 BITS */
- ICE_TX_DESC_CMD_IIPT_IPV6 = 0x0020, /* 2 BITS */
- ICE_TX_DESC_CMD_IIPT_IPV4 = 0x0040, /* 2 BITS */
- ICE_TX_DESC_CMD_IIPT_IPV4_CSUM = 0x0060, /* 2 BITS */
+ ICE_TX_DESC_CMD_IIPT_NONIP = 0x0000,
+ ICE_TX_DESC_CMD_IIPT_IPV6 = 0x0020,
+ ICE_TX_DESC_CMD_IIPT_IPV4 = 0x0040,
+ ICE_TX_DESC_CMD_IIPT_IPV4_CSUM = 0x0060,
ICE_TX_DESC_CMD_RSVD2 = 0x0080,
- ICE_TX_DESC_CMD_L4T_EOFT_UNK = 0x0000, /* 2 BITS */
- ICE_TX_DESC_CMD_L4T_EOFT_TCP = 0x0100, /* 2 BITS */
- ICE_TX_DESC_CMD_L4T_EOFT_SCTP = 0x0200, /* 2 BITS */
- ICE_TX_DESC_CMD_L4T_EOFT_UDP = 0x0300, /* 2 BITS */
+ ICE_TX_DESC_CMD_L4T_EOFT_UNK = 0x0000,
+ ICE_TX_DESC_CMD_L4T_EOFT_TCP = 0x0100,
+ ICE_TX_DESC_CMD_L4T_EOFT_SCTP = 0x0200,
+ ICE_TX_DESC_CMD_L4T_EOFT_UDP = 0x0300,
ICE_TX_DESC_CMD_RE = 0x0400,
ICE_TX_DESC_CMD_RSVD3 = 0x0800,
};
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