/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (c) 2018, Intel Corporation. */ #ifndef _ICE_LAN_TX_RX_H_ #define _ICE_LAN_TX_RX_H_ union ice_32byte_rx_desc { struct { __le64 pkt_addr; /* Packet buffer address */ __le64 hdr_addr; /* Header buffer address */ /* bit 0 of hdr_addr is DD bit */ __le64 rsvd1; __le64 rsvd2; } read; struct { struct { struct { __le16 mirroring_status; __le16 l2tag1; } lo_dword; union { __le32 rss; /* RSS Hash */ __le32 fd_id; /* Flow Director filter id */ } hi_dword; } qword0; struct { /* status/error/PTYPE/length */ __le64 status_error_len; } qword1; struct { __le16 ext_status; /* extended status */ __le16 rsvd; __le16 l2tag2_1; __le16 l2tag2_2; } qword2; struct { __le32 reserved; __le32 fd_id; } qword3; } wb; /* writeback */ }; struct ice_rx_ptype_decoded { u32 ptype:10; u32 known:1; u32 outer_ip:1; u32 outer_ip_ver:2; u32 outer_frag:1; u32 tunnel_type:3; u32 tunnel_end_prot:2; u32 tunnel_end_frag:1; u32 inner_prot:4; u32 payload_layer:3; }; enum ice_rx_ptype_outer_ip { ICE_RX_PTYPE_OUTER_L2 = 0, ICE_RX_PTYPE_OUTER_IP = 1, }; enum ice_rx_ptype_outer_ip_ver { ICE_RX_PTYPE_OUTER_NONE = 0, ICE_RX_PTYPE_OUTER_IPV4 = 1, ICE_RX_PTYPE_OUTER_IPV6 = 2, }; enum ice_rx_ptype_outer_fragmented { ICE_RX_PTYPE_NOT_FRAG = 0, ICE_RX_PTYPE_FRAG = 1, }; enum ice_rx_ptype_tunnel_type { ICE_RX_PTYPE_TUNNEL_NONE = 0, ICE_RX_PTYPE_TUNNEL_IP_IP = 1, ICE_RX_PTYPE_TUNNEL_IP_GRENAT = 2, ICE_RX_PTYPE_TUNNEL_IP_GRENAT_MAC = 3, ICE_RX_PTYPE_TUNNEL_IP_GRENAT_MAC_VLAN = 4, }; enum ice_rx_ptype_tunnel_end_prot { ICE_RX_PTYPE_TUNNEL_END_NONE = 0, ICE_RX_PTYPE_TUNNEL_END_IPV4 = 1, ICE_RX_PTYPE_TUNNEL_END_IPV6 = 2, }; enum ice_rx_ptype_inner_prot { ICE_RX_PTYPE_INNER_PROT_NONE = 0, ICE_RX_PTYPE_INNER_PROT_UDP = 1, ICE_RX_PTYPE_INNER_PROT_TCP = 2, ICE_RX_PTYPE_INNER_PROT_SCTP = 3, ICE_RX_PTYPE_INNER_PROT_ICMP = 4, ICE_RX_PTYPE_INNER_PROT_TIMESYNC = 5, }; enum ice_rx_ptype_payload_layer { ICE_RX_PTYPE_PAYLOAD_LAYER_NONE = 0, ICE_RX_PTYPE_PAYLOAD_LAYER_PAY2 = 1, ICE_RX_PTYPE_PAYLOAD_LAYER_PAY3 = 2, ICE_RX_PTYPE_PAYLOAD_LAYER_PAY4 = 3, }; /* RX Flex Descriptor * This descriptor is used instead of the legacy version descriptor when * ice_rlan_ctx.adv_desc is set */ union ice_32b_rx_flex_desc { struct { __le64 pkt_addr; /* Packet buffer address */ __le64 hdr_addr; /* Header buffer address */ /* bit 0 of hdr_addr is DD bit */ __le64 rsvd1; __le64 rsvd2; } read; struct { /* Qword 0 */ 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 */ __le16 hdr_len_sph_flex_flags1; /* header=[10:0] */ /* sph=[11:11] */ /* ff1/ext=[15:12] */ /* Qword 1 */ __le16 status_error0; __le16 l2tag1; __le16 flex_meta0; __le16 flex_meta1; /* Qword 2 */ __le16 status_error1; u8 flex_flags2; u8 time_stamp_low; __le16 l2tag2_1st; __le16 l2tag2_2nd; /* Qword 3 */ __le16 flex_meta2; __le16 flex_meta3; union { struct { __le16 flex_meta4; __le16 flex_meta5; } flex; __le32 ts_high; } flex_ts; } wb; /* writeback */ }; /* Rx Flex Descriptor NIC Profile * This descriptor corresponds to RxDID 2 which contains * metadata fields for RSS, flow id and timestamp info */ struct ice_32b_rx_flex_desc_nic { /* Qword 0 */ u8 rxdid; u8 mir_id_umb_cast; __le16 ptype_flexi_flags0; __le16 pkt_len; __le16 hdr_len_sph_flex_flags1; /* Qword 1 */ __le16 status_error0; __le16 l2tag1; __le32 rss_hash; /* Qword 2 */ __le16 status_error1; u8 flexi_flags2; u8 ts_low; __le16 l2tag2_1st; __le16 l2tag2_2nd; /* Qword 3 */ __le32 flow_id; union { struct { __le16 vlan_id; __le16 flow_id_ipv6; } flex; __le32 ts_high; } flex_ts; }; /* Receive Flex Descriptor profile IDs: There are a total * of 64 profiles where profile IDs 0/1 are for legacy; and * profiles 2-63 are flex profiles that can be programmed * with a specific metadata (profile 7 reserved for HW) */ enum ice_rxdid { ICE_RXDID_LEGACY_0 = 0, ICE_RXDID_LEGACY_1 = 1, ICE_RXDID_FLEX_NIC = 2, ICE_RXDID_FLEX_NIC_2 = 6, ICE_RXDID_HW = 7, ICE_RXDID_LAST = 63, }; /* Receive Flex Descriptor Rx opcode values */ #define ICE_RX_OPC_MDID 0x01 /* 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_SRC_VSI = 19, ICE_RX_MDID_HASH_LOW = 56, ICE_RX_MDID_HASH_HIGH, }; /* 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 }; /* for ice_32byte_rx_flex_desc.ptype_flexi_flags0 member */ #define ICE_RX_FLEX_DESC_PTYPE_M (0x3FF) /* 10-bits */ /* for ice_32byte_rx_flex_desc.pkt_length member */ #define ICE_RX_FLX_DESC_PKT_LEN_M (0x3FFF) /* 14-bits */ enum ice_rx_flex_desc_status_error_0_bits { /* Note: These are predefined bit offsets */ ICE_RX_FLEX_DESC_STATUS0_DD_S = 0, ICE_RX_FLEX_DESC_STATUS0_EOF_S, ICE_RX_FLEX_DESC_STATUS0_HBO_S, ICE_RX_FLEX_DESC_STATUS0_L3L4P_S, ICE_RX_FLEX_DESC_STATUS0_XSUM_IPE_S, ICE_RX_FLEX_DESC_STATUS0_XSUM_L4E_S, ICE_RX_FLEX_DESC_STATUS0_XSUM_EIPE_S, ICE_RX_FLEX_DESC_STATUS0_XSUM_EUDPE_S, ICE_RX_FLEX_DESC_STATUS0_LPBK_S, ICE_RX_FLEX_DESC_STATUS0_IPV6EXADD_S, ICE_RX_FLEX_DESC_STATUS0_RXE_S, ICE_RX_FLEX_DESC_STATUS0_CRCP_S, ICE_RX_FLEX_DESC_STATUS0_RSS_VALID_S, ICE_RX_FLEX_DESC_STATUS0_L2TAG1P_S, ICE_RX_FLEX_DESC_STATUS0_XTRMD0_VALID_S, ICE_RX_FLEX_DESC_STATUS0_XTRMD1_VALID_S, ICE_RX_FLEX_DESC_STATUS0_LAST /* this entry must be last!!! */ }; #define ICE_RXQ_CTX_SIZE_DWORDS 8 #define ICE_RXQ_CTX_SZ (ICE_RXQ_CTX_SIZE_DWORDS * sizeof(u32)) /* RLAN Rx queue context data * * The sizes of the variables may be larger than needed due to crossing byte * boundaries. If we do not have the width of the variable set to the correct * size then we could end up shifting bits off the top of the variable when the * variable is at the top of a byte and crosses over into the next byte. */ struct ice_rlan_ctx { u16 head; u16 cpuid; /* bigger than needed, see above for reason */ #define ICE_RLAN_BASE_S 7 u64 base; u16 qlen; #define ICE_RLAN_CTX_DBUF_S 7 u16 dbuf; /* bigger than needed, see above for reason */ #define ICE_RLAN_CTX_HBUF_S 6 u16 hbuf; /* bigger than needed, see above for reason */ u8 dtype; u8 dsize; u8 crcstrip; u8 l2tsel; u8 hsplit_0; u8 hsplit_1; u8 showiv; u32 rxmax; /* bigger than needed, see above for reason */ u8 tphrdesc_ena; u8 tphwdesc_ena; u8 tphdata_ena; u8 tphhead_ena; u16 lrxqthresh; /* bigger than needed, see above for reason */ }; struct ice_ctx_ele { u16 offset; u16 size_of; u16 width; u16 lsb; }; #define ICE_CTX_STORE(_struct, _ele, _width, _lsb) { \ .offset = offsetof(struct _struct, _ele), \ .size_of = FIELD_SIZEOF(struct _struct, _ele), \ .width = _width, \ .lsb = _lsb, \ } /* for hsplit_0 field of Rx RLAN context */ enum ice_rlan_ctx_rx_hsplit_0 { ICE_RLAN_RX_HSPLIT_0_NO_SPLIT = 0, ICE_RLAN_RX_HSPLIT_0_SPLIT_L2 = 1, ICE_RLAN_RX_HSPLIT_0_SPLIT_IP = 2, ICE_RLAN_RX_HSPLIT_0_SPLIT_TCP_UDP = 4, ICE_RLAN_RX_HSPLIT_0_SPLIT_SCTP = 8, }; /* for hsplit_1 field of Rx RLAN context */ enum ice_rlan_ctx_rx_hsplit_1 { ICE_RLAN_RX_HSPLIT_1_NO_SPLIT = 0, ICE_RLAN_RX_HSPLIT_1_SPLIT_L2 = 1, ICE_RLAN_RX_HSPLIT_1_SPLIT_ALWAYS = 2, }; /* TX Descriptor */ struct ice_tx_desc { __le64 buf_addr; /* Address of descriptor's data buf */ __le64 cmd_type_offset_bsz; }; enum ice_tx_desc_dtype_value { ICE_TX_DESC_DTYPE_DATA = 0x0, ICE_TX_DESC_DTYPE_CTX = 0x1, /* DESC_DONE - HW has completed write-back of descriptor */ ICE_TX_DESC_DTYPE_DESC_DONE = 0xF, }; #define ICE_TXD_QW1_CMD_S 4 #define ICE_TXD_QW1_CMD_M (0xFFFUL << ICE_TXD_QW1_CMD_S) enum ice_tx_desc_cmd_bits { ICE_TX_DESC_CMD_EOP = 0x0001, ICE_TX_DESC_CMD_RS = 0x0002, ICE_TX_DESC_CMD_IL2TAG1 = 0x0008, 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_L4T_EOFT_TCP = 0x0100, /* 2 BITS */ ICE_TX_DESC_CMD_L4T_EOFT_UDP = 0x0300, /* 2 BITS */ }; #define ICE_TXD_QW1_OFFSET_S 16 #define ICE_TXD_QW1_OFFSET_M (0x3FFFFULL << ICE_TXD_QW1_OFFSET_S) enum ice_tx_desc_len_fields { /* Note: These are predefined bit offsets */ ICE_TX_DESC_LEN_MACLEN_S = 0, /* 7 BITS */ ICE_TX_DESC_LEN_IPLEN_S = 7, /* 7 BITS */ ICE_TX_DESC_LEN_L4_LEN_S = 14 /* 4 BITS */ }; #define ICE_TXD_QW1_MACLEN_M (0x7FUL << ICE_TX_DESC_LEN_MACLEN_S) #define ICE_TXD_QW1_IPLEN_M (0x7FUL << ICE_TX_DESC_LEN_IPLEN_S) #define ICE_TXD_QW1_L4LEN_M (0xFUL << ICE_TX_DESC_LEN_L4_LEN_S) /* Tx descriptor field limits in bytes */ #define ICE_TXD_MACLEN_MAX ((ICE_TXD_QW1_MACLEN_M >> \ ICE_TX_DESC_LEN_MACLEN_S) * ICE_BYTES_PER_WORD) #define ICE_TXD_IPLEN_MAX ((ICE_TXD_QW1_IPLEN_M >> \ ICE_TX_DESC_LEN_IPLEN_S) * ICE_BYTES_PER_DWORD) #define ICE_TXD_L4LEN_MAX ((ICE_TXD_QW1_L4LEN_M >> \ ICE_TX_DESC_LEN_L4_LEN_S) * ICE_BYTES_PER_DWORD) #define ICE_TXD_QW1_TX_BUF_SZ_S 34 #define ICE_TXD_QW1_L2TAG1_S 48 /* Context descriptors */ struct ice_tx_ctx_desc { __le32 tunneling_params; __le16 l2tag2; __le16 rsvd; __le64 qw1; }; #define ICE_TXD_CTX_QW1_CMD_S 4 #define ICE_TXD_CTX_QW1_CMD_M (0x7FUL << ICE_TXD_CTX_QW1_CMD_S) #define ICE_TXD_CTX_QW1_TSO_LEN_S 30 #define ICE_TXD_CTX_QW1_TSO_LEN_M \ (0x3FFFFULL << ICE_TXD_CTX_QW1_TSO_LEN_S) #define ICE_TXD_CTX_QW1_MSS_S 50 enum ice_tx_ctx_desc_cmd_bits { ICE_TX_CTX_DESC_TSO = 0x01, ICE_TX_CTX_DESC_TSYN = 0x02, ICE_TX_CTX_DESC_IL2TAG2 = 0x04, ICE_TX_CTX_DESC_IL2TAG2_IL2H = 0x08, ICE_TX_CTX_DESC_SWTCH_NOTAG = 0x00, ICE_TX_CTX_DESC_SWTCH_UPLINK = 0x10, ICE_TX_CTX_DESC_SWTCH_LOCAL = 0x20, ICE_TX_CTX_DESC_SWTCH_VSI = 0x30, ICE_TX_CTX_DESC_RESERVED = 0x40 }; #define ICE_LAN_TXQ_MAX_QGRPS 127 #define ICE_LAN_TXQ_MAX_QDIS 1023 /* Tx queue context data * * The sizes of the variables may be larger than needed due to crossing byte * boundaries. If we do not have the width of the variable set to the correct * size then we could end up shifting bits off the top of the variable when the * variable is at the top of a byte and crosses over into the next byte. */ struct ice_tlan_ctx { #define ICE_TLAN_CTX_BASE_S 7 u64 base; /* base is defined in 128-byte units */ u8 port_num; u16 cgd_num; /* bigger than needed, see above for reason */ u8 pf_num; u16 vmvf_num; u8 vmvf_type; #define ICE_TLAN_CTX_VMVF_TYPE_VF 0 #define ICE_TLAN_CTX_VMVF_TYPE_VMQ 1 #define ICE_TLAN_CTX_VMVF_TYPE_PF 2 u16 src_vsi; u8 tsyn_ena; u8 alt_vlan; u16 cpuid; /* bigger than needed, see above for reason */ u8 wb_mode; u8 tphrd_desc; u8 tphrd; u8 tphwr_desc; u16 cmpq_id; u16 qnum_in_func; u8 itr_notification_mode; u8 adjust_prof_id; u32 qlen; /* bigger than needed, see above for reason */ u8 quanta_prof_idx; u8 tso_ena; u16 tso_qnum; u8 legacy_int; u8 drop_ena; u8 cache_prof_idx; u8 pkt_shaper_prof_idx; u8 int_q_state; /* width not needed - internal do not write */ }; /* macro to make the table lines short */ #define ICE_PTT(PTYPE, OUTER_IP, OUTER_IP_VER, OUTER_FRAG, T, TE, TEF, I, PL)\ { PTYPE, \ 1, \ ICE_RX_PTYPE_OUTER_##OUTER_IP, \ ICE_RX_PTYPE_OUTER_##OUTER_IP_VER, \ ICE_RX_PTYPE_##OUTER_FRAG, \ ICE_RX_PTYPE_TUNNEL_##T, \ ICE_RX_PTYPE_TUNNEL_END_##TE, \ ICE_RX_PTYPE_##TEF, \ ICE_RX_PTYPE_INNER_PROT_##I, \ ICE_RX_PTYPE_PAYLOAD_LAYER_##PL } #define ICE_PTT_UNUSED_ENTRY(PTYPE) { PTYPE, 0, 0, 0, 0, 0, 0, 0, 0, 0 } /* shorter macros makes the table fit but are terse */ #define ICE_RX_PTYPE_NOF ICE_RX_PTYPE_NOT_FRAG /* Lookup table mapping the HW PTYPE to the bit field for decoding */ static const struct ice_rx_ptype_decoded ice_ptype_lkup[] = { /* L2 Packet types */ ICE_PTT_UNUSED_ENTRY(0), ICE_PTT(1, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2), ICE_PTT(2, L2, NONE, NOF, NONE, NONE, NOF, NONE, NONE), }; static inline struct ice_rx_ptype_decoded ice_decode_rx_desc_ptype(u16 ptype) { return ice_ptype_lkup[ptype]; } #define ICE_LINK_SPEED_UNKNOWN 0 #define ICE_LINK_SPEED_10MBPS 10 #define ICE_LINK_SPEED_100MBPS 100 #define ICE_LINK_SPEED_1000MBPS 1000 #define ICE_LINK_SPEED_2500MBPS 2500 #define ICE_LINK_SPEED_5000MBPS 5000 #define ICE_LINK_SPEED_10000MBPS 10000 #define ICE_LINK_SPEED_20000MBPS 20000 #define ICE_LINK_SPEED_25000MBPS 25000 #define ICE_LINK_SPEED_40000MBPS 40000 #endif /* _ICE_LAN_TX_RX_H_ */