1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2018 Intel Corporation */
7 /* forward declaration */
8 void igc_rx_fifo_flush_base(struct igc_hw *hw);
9 void igc_power_down_phy_copper_base(struct igc_hw *hw);
10 bool igc_is_device_id_i225(struct igc_hw *hw);
11 bool igc_is_device_id_i226(struct igc_hw *hw);
13 /* Transmit Descriptor - Advanced */
14 union igc_adv_tx_desc {
16 __le64 buffer_addr; /* Address of descriptor's data buf */
21 __le64 rsvd; /* Reserved */
27 /* Context descriptors */
28 struct igc_adv_tx_context_desc {
29 __le32 vlan_macip_lens;
31 __le32 type_tucmd_mlhl;
35 /* Adv Transmit Descriptor Config Masks */
36 #define IGC_ADVTXD_MAC_TSTAMP 0x00080000 /* IEEE1588 Timestamp packet */
37 #define IGC_ADVTXD_TSTAMP_REG_1 0x00010000 /* Select register 1 for timestamp */
38 #define IGC_ADVTXD_TSTAMP_REG_2 0x00020000 /* Select register 2 for timestamp */
39 #define IGC_ADVTXD_TSTAMP_REG_3 0x00030000 /* Select register 3 for timestamp */
40 #define IGC_ADVTXD_TSTAMP_TIMER_1 0x00010000 /* Select timer 1 for timestamp */
41 #define IGC_ADVTXD_TSTAMP_TIMER_2 0x00020000 /* Select timer 2 for timestamp */
42 #define IGC_ADVTXD_TSTAMP_TIMER_3 0x00030000 /* Select timer 3 for timestamp */
44 #define IGC_ADVTXD_DTYP_CTXT 0x00200000 /* Advanced Context Descriptor */
45 #define IGC_ADVTXD_DTYP_DATA 0x00300000 /* Advanced Data Descriptor */
46 #define IGC_ADVTXD_DCMD_EOP 0x01000000 /* End of Packet */
47 #define IGC_ADVTXD_DCMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */
48 #define IGC_ADVTXD_DCMD_RS 0x08000000 /* Report Status */
49 #define IGC_ADVTXD_DCMD_DEXT 0x20000000 /* Descriptor extension (1=Adv) */
50 #define IGC_ADVTXD_DCMD_VLE 0x40000000 /* VLAN pkt enable */
51 #define IGC_ADVTXD_DCMD_TSE 0x80000000 /* TCP Seg enable */
52 #define IGC_ADVTXD_PAYLEN_SHIFT 14 /* Adv desc PAYLEN shift */
54 #define IGC_RAR_ENTRIES 16
56 /* Receive Descriptor - Advanced */
57 union igc_adv_rx_desc {
59 __le64 pkt_addr; /* Packet buffer address */
60 __le64 hdr_addr; /* Header buffer address */
67 __le16 pkt_info; /*RSS type, Pkt type*/
68 /* Split Header, header buffer len */
73 __le32 rss; /* RSS Hash */
75 __le16 ip_id; /* IP id */
76 __le16 csum; /* Packet Checksum */
81 __le32 status_error; /* ext status/error */
82 __le16 length; /* Packet length */
83 __le16 vlan; /* VLAN tag */
88 /* Additional Transmit Descriptor Control definitions */
89 #define IGC_TXDCTL_QUEUE_ENABLE 0x02000000 /* Ena specific Tx Queue */
90 #define IGC_TXDCTL_SWFLUSH 0x04000000 /* Transmit Software Flush */
92 /* Additional Receive Descriptor Control definitions */
93 #define IGC_RXDCTL_QUEUE_ENABLE 0x02000000 /* Ena specific Rx Queue */
94 #define IGC_RXDCTL_SWFLUSH 0x04000000 /* Receive Software Flush */
96 /* SRRCTL bit definitions */
97 #define IGC_SRRCTL_BSIZEPKT_MASK GENMASK(6, 0)
98 #define IGC_SRRCTL_BSIZEPKT(x) FIELD_PREP(IGC_SRRCTL_BSIZEPKT_MASK, \
99 (x) / 1024) /* in 1 KB resolution */
100 #define IGC_SRRCTL_BSIZEHDR_MASK GENMASK(13, 8)
101 #define IGC_SRRCTL_BSIZEHDR(x) FIELD_PREP(IGC_SRRCTL_BSIZEHDR_MASK, \
102 (x) / 64) /* in 64 bytes resolution */
103 #define IGC_SRRCTL_DESCTYPE_MASK GENMASK(27, 25)
104 #define IGC_SRRCTL_DESCTYPE_ADV_ONEBUF FIELD_PREP(IGC_SRRCTL_DESCTYPE_MASK, 1)
106 #endif /* _IGC_BASE_H */