xref: /freebsd/sys/dev/e1000/e1000_base.h (revision aa1a8ff2d6dbc51ef058f46f3db5a8bb77967145)
1 /******************************************************************************
2   SPDX-License-Identifier: BSD-3-Clause
3 
4   Copyright (c) 2001-2020, Intel Corporation
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33 ******************************************************************************/
34 
35 #ifndef _E1000_BASE_H_
36 #define _E1000_BASE_H_
37 
38 /* forward declaration */
39 s32 e1000_init_hw_base(struct e1000_hw *hw);
40 void e1000_power_down_phy_copper_base(struct e1000_hw *hw);
41 extern void e1000_rx_fifo_flush_base(struct e1000_hw *hw);
42 s32 e1000_acquire_phy_base(struct e1000_hw *hw);
43 void e1000_release_phy_base(struct e1000_hw *hw);
44 
45 /* Transmit Descriptor - Advanced */
46 union e1000_adv_tx_desc {
47 	struct {
48 		__le64 buffer_addr;    /* Address of descriptor's data buf */
49 		__le32 cmd_type_len;
50 		__le32 olinfo_status;
51 	} read;
52 	struct {
53 		__le64 rsvd;       /* Reserved */
54 		__le32 nxtseq_seed;
55 		__le32 status;
56 	} wb;
57 };
58 
59 /* Context descriptors */
60 struct e1000_adv_tx_context_desc {
61 	__le32 vlan_macip_lens;
62 	union {
63 		__le32 launch_time;
64 		__le32 seqnum_seed;
65 	} u;
66 	__le32 type_tucmd_mlhl;
67 	__le32 mss_l4len_idx;
68 };
69 
70 /* Adv Transmit Descriptor Config Masks */
71 #define E1000_ADVTXD_DTYP_CTXT	0x00200000 /* Advanced Context Descriptor */
72 #define E1000_ADVTXD_DTYP_DATA	0x00300000 /* Advanced Data Descriptor */
73 #define E1000_ADVTXD_DCMD_EOP	0x01000000 /* End of Packet */
74 #define E1000_ADVTXD_DCMD_IFCS	0x02000000 /* Insert FCS (Ethernet CRC) */
75 #define E1000_ADVTXD_DCMD_RS	0x08000000 /* Report Status */
76 #define E1000_ADVTXD_DCMD_DDTYP_ISCSI	0x10000000 /* DDP hdr type or iSCSI */
77 #define E1000_ADVTXD_DCMD_DEXT	0x20000000 /* Descriptor extension (1=Adv) */
78 #define E1000_ADVTXD_DCMD_VLE	0x40000000 /* VLAN pkt enable */
79 #define E1000_ADVTXD_DCMD_TSE	0x80000000 /* TCP Seg enable */
80 #define E1000_ADVTXD_MAC_LINKSEC	0x00040000 /* Apply LinkSec on pkt */
81 #define E1000_ADVTXD_MAC_TSTAMP		0x00080000 /* IEEE1588 Timestamp pkt */
82 #define E1000_ADVTXD_STAT_SN_CRC	0x00000002 /* NXTSEQ/SEED prsnt in WB */
83 #define E1000_ADVTXD_IDX_SHIFT		4  /* Adv desc Index shift */
84 #define E1000_ADVTXD_POPTS_ISCO_1ST	0x00000000 /* 1st TSO of iSCSI PDU */
85 #define E1000_ADVTXD_POPTS_ISCO_MDL	0x00000800 /* Middle TSO of iSCSI PDU */
86 #define E1000_ADVTXD_POPTS_ISCO_LAST	0x00001000 /* Last TSO of iSCSI PDU */
87 /* 1st & Last TSO-full iSCSI PDU*/
88 #define E1000_ADVTXD_POPTS_ISCO_FULL	0x00001800
89 #define E1000_ADVTXD_POPTS_IPSEC	0x00000400 /* IPSec offload request */
90 #define E1000_ADVTXD_PAYLEN_SHIFT	14 /* Adv desc PAYLEN shift */
91 
92 /* Advanced Transmit Context Descriptor Config */
93 #define E1000_ADVTXD_MACLEN_SHIFT	9  /* Adv ctxt desc mac len shift */
94 #define E1000_ADVTXD_VLAN_SHIFT		16  /* Adv ctxt vlan tag shift */
95 #define E1000_ADVTXD_TUCMD_IPV4		0x00000400  /* IP Packet Type: 1=IPv4 */
96 #define E1000_ADVTXD_TUCMD_IPV6		0x00000000  /* IP Packet Type: 0=IPv6 */
97 #define E1000_ADVTXD_TUCMD_L4T_UDP	0x00000000  /* L4 Packet TYPE of UDP */
98 #define E1000_ADVTXD_TUCMD_L4T_TCP	0x00000800  /* L4 Packet TYPE of TCP */
99 #define E1000_ADVTXD_TUCMD_L4T_SCTP	0x00001000  /* L4 Packet TYPE of SCTP */
100 #define E1000_ADVTXD_TUCMD_IPSEC_TYPE_ESP	0x00002000 /* IPSec Type ESP */
101 /* IPSec Encrypt Enable for ESP */
102 #define E1000_ADVTXD_TUCMD_IPSEC_ENCRYPT_EN	0x00004000
103 /* Req requires Markers and CRC */
104 #define E1000_ADVTXD_TUCMD_MKRREQ	0x00002000
105 #define E1000_ADVTXD_L4LEN_SHIFT	8  /* Adv ctxt L4LEN shift */
106 #define E1000_ADVTXD_MSS_SHIFT		16  /* Adv ctxt MSS shift */
107 /* Adv ctxt IPSec SA IDX mask */
108 #define E1000_ADVTXD_IPSEC_SA_INDEX_MASK	0x000000FF
109 /* Adv ctxt IPSec ESP len mask */
110 #define E1000_ADVTXD_IPSEC_ESP_LEN_MASK		0x000000FF
111 
112 #define E1000_RAR_ENTRIES_BASE		16
113 
114 /* Receive Descriptor - Advanced */
115 union e1000_adv_rx_desc {
116 	struct {
117 		__le64 pkt_addr; /* Packet buffer address */
118 		__le64 hdr_addr; /* Header buffer address */
119 	} read;
120 	struct {
121 		struct {
122 			union {
123 				__le32 data;
124 				struct {
125 					__le16 pkt_info; /*RSS type, Pkt type*/
126 					/* Split Header, header buffer len */
127 					__le16 hdr_info;
128 				} hs_rss;
129 			} lo_dword;
130 			union {
131 				__le32 rss; /* RSS Hash */
132 				struct {
133 					__le16 ip_id; /* IP id */
134 					__le16 csum; /* Packet Checksum */
135 				} csum_ip;
136 			} hi_dword;
137 		} lower;
138 		struct {
139 			__le32 status_error; /* ext status/error */
140 			__le16 length; /* Packet length */
141 			__le16 vlan; /* VLAN tag */
142 		} upper;
143 	} wb;  /* writeback */
144 };
145 
146 /* Additional Transmit Descriptor Control definitions */
147 #define E1000_TXDCTL_QUEUE_ENABLE	0x02000000 /* Ena specific Tx Queue */
148 
149 /* Additional Receive Descriptor Control definitions */
150 #define E1000_RXDCTL_QUEUE_ENABLE	0x02000000 /* Ena specific Rx Queue */
151 
152 /* SRRCTL bit definitions */
153 #define E1000_SRRCTL_BSIZEPKT_SHIFT		10 /* Shift _right_ */
154 #define E1000_SRRCTL_BSIZEHDRSIZE_SHIFT		2  /* Shift _left_ */
155 #define E1000_SRRCTL_DESCTYPE_ADV_ONEBUF	0x02000000
156 
157 #endif /* _E1000_BASE_H_ */
158