xref: /freebsd/sys/dev/e1000/e1000_base.h (revision 43a5ec4eb41567cc92586503212743d89686d78f)
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4   Copyright (c) 2001-2020, Intel Corporation
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33 ******************************************************************************/
34 /*$FreeBSD$*/
35 
36 #ifndef _E1000_BASE_H_
37 #define _E1000_BASE_H_
38 
39 /* forward declaration */
40 s32 e1000_init_hw_base(struct e1000_hw *hw);
41 void e1000_power_down_phy_copper_base(struct e1000_hw *hw);
42 extern void e1000_rx_fifo_flush_base(struct e1000_hw *hw);
43 s32 e1000_acquire_phy_base(struct e1000_hw *hw);
44 void e1000_release_phy_base(struct e1000_hw *hw);
45 
46 /* Transmit Descriptor - Advanced */
47 union e1000_adv_tx_desc {
48 	struct {
49 		__le64 buffer_addr;    /* Address of descriptor's data buf */
50 		__le32 cmd_type_len;
51 		__le32 olinfo_status;
52 	} read;
53 	struct {
54 		__le64 rsvd;       /* Reserved */
55 		__le32 nxtseq_seed;
56 		__le32 status;
57 	} wb;
58 };
59 
60 /* Context descriptors */
61 struct e1000_adv_tx_context_desc {
62 	__le32 vlan_macip_lens;
63 	union {
64 		__le32 launch_time;
65 		__le32 seqnum_seed;
66 	} u;
67 	__le32 type_tucmd_mlhl;
68 	__le32 mss_l4len_idx;
69 };
70 
71 /* Adv Transmit Descriptor Config Masks */
72 #define E1000_ADVTXD_DTYP_CTXT	0x00200000 /* Advanced Context Descriptor */
73 #define E1000_ADVTXD_DTYP_DATA	0x00300000 /* Advanced Data Descriptor */
74 #define E1000_ADVTXD_DCMD_EOP	0x01000000 /* End of Packet */
75 #define E1000_ADVTXD_DCMD_IFCS	0x02000000 /* Insert FCS (Ethernet CRC) */
76 #define E1000_ADVTXD_DCMD_RS	0x08000000 /* Report Status */
77 #define E1000_ADVTXD_DCMD_DDTYP_ISCSI	0x10000000 /* DDP hdr type or iSCSI */
78 #define E1000_ADVTXD_DCMD_DEXT	0x20000000 /* Descriptor extension (1=Adv) */
79 #define E1000_ADVTXD_DCMD_VLE	0x40000000 /* VLAN pkt enable */
80 #define E1000_ADVTXD_DCMD_TSE	0x80000000 /* TCP Seg enable */
81 #define E1000_ADVTXD_MAC_LINKSEC	0x00040000 /* Apply LinkSec on pkt */
82 #define E1000_ADVTXD_MAC_TSTAMP		0x00080000 /* IEEE1588 Timestamp pkt */
83 #define E1000_ADVTXD_STAT_SN_CRC	0x00000002 /* NXTSEQ/SEED prsnt in WB */
84 #define E1000_ADVTXD_IDX_SHIFT		4  /* Adv desc Index shift */
85 #define E1000_ADVTXD_POPTS_ISCO_1ST	0x00000000 /* 1st TSO of iSCSI PDU */
86 #define E1000_ADVTXD_POPTS_ISCO_MDL	0x00000800 /* Middle TSO of iSCSI PDU */
87 #define E1000_ADVTXD_POPTS_ISCO_LAST	0x00001000 /* Last TSO of iSCSI PDU */
88 /* 1st & Last TSO-full iSCSI PDU*/
89 #define E1000_ADVTXD_POPTS_ISCO_FULL	0x00001800
90 #define E1000_ADVTXD_POPTS_IPSEC	0x00000400 /* IPSec offload request */
91 #define E1000_ADVTXD_PAYLEN_SHIFT	14 /* Adv desc PAYLEN shift */
92 
93 /* Advanced Transmit Context Descriptor Config */
94 #define E1000_ADVTXD_MACLEN_SHIFT	9  /* Adv ctxt desc mac len shift */
95 #define E1000_ADVTXD_VLAN_SHIFT		16  /* Adv ctxt vlan tag shift */
96 #define E1000_ADVTXD_TUCMD_IPV4		0x00000400  /* IP Packet Type: 1=IPv4 */
97 #define E1000_ADVTXD_TUCMD_IPV6		0x00000000  /* IP Packet Type: 0=IPv6 */
98 #define E1000_ADVTXD_TUCMD_L4T_UDP	0x00000000  /* L4 Packet TYPE of UDP */
99 #define E1000_ADVTXD_TUCMD_L4T_TCP	0x00000800  /* L4 Packet TYPE of TCP */
100 #define E1000_ADVTXD_TUCMD_L4T_SCTP	0x00001000  /* L4 Packet TYPE of SCTP */
101 #define E1000_ADVTXD_TUCMD_IPSEC_TYPE_ESP	0x00002000 /* IPSec Type ESP */
102 /* IPSec Encrypt Enable for ESP */
103 #define E1000_ADVTXD_TUCMD_IPSEC_ENCRYPT_EN	0x00004000
104 /* Req requires Markers and CRC */
105 #define E1000_ADVTXD_TUCMD_MKRREQ	0x00002000
106 #define E1000_ADVTXD_L4LEN_SHIFT	8  /* Adv ctxt L4LEN shift */
107 #define E1000_ADVTXD_MSS_SHIFT		16  /* Adv ctxt MSS shift */
108 /* Adv ctxt IPSec SA IDX mask */
109 #define E1000_ADVTXD_IPSEC_SA_INDEX_MASK	0x000000FF
110 /* Adv ctxt IPSec ESP len mask */
111 #define E1000_ADVTXD_IPSEC_ESP_LEN_MASK		0x000000FF
112 
113 #define E1000_RAR_ENTRIES_BASE		16
114 
115 /* Receive Descriptor - Advanced */
116 union e1000_adv_rx_desc {
117 	struct {
118 		__le64 pkt_addr; /* Packet buffer address */
119 		__le64 hdr_addr; /* Header buffer address */
120 	} read;
121 	struct {
122 		struct {
123 			union {
124 				__le32 data;
125 				struct {
126 					__le16 pkt_info; /*RSS type, Pkt type*/
127 					/* Split Header, header buffer len */
128 					__le16 hdr_info;
129 				} hs_rss;
130 			} lo_dword;
131 			union {
132 				__le32 rss; /* RSS Hash */
133 				struct {
134 					__le16 ip_id; /* IP id */
135 					__le16 csum; /* Packet Checksum */
136 				} csum_ip;
137 			} hi_dword;
138 		} lower;
139 		struct {
140 			__le32 status_error; /* ext status/error */
141 			__le16 length; /* Packet length */
142 			__le16 vlan; /* VLAN tag */
143 		} upper;
144 	} wb;  /* writeback */
145 };
146 
147 /* Additional Transmit Descriptor Control definitions */
148 #define E1000_TXDCTL_QUEUE_ENABLE	0x02000000 /* Ena specific Tx Queue */
149 
150 /* Additional Receive Descriptor Control definitions */
151 #define E1000_RXDCTL_QUEUE_ENABLE	0x02000000 /* Ena specific Rx Queue */
152 
153 /* SRRCTL bit definitions */
154 #define E1000_SRRCTL_BSIZEPKT_SHIFT		10 /* Shift _right_ */
155 #define E1000_SRRCTL_BSIZEHDRSIZE_SHIFT		2  /* Shift _left_ */
156 #define E1000_SRRCTL_DESCTYPE_ADV_ONEBUF	0x02000000
157 
158 #endif /* _E1000_BASE_H_ */
159