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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/net/ethernet/intel/igc/igc_base.h | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/intel/igc/igc_base.h')
-rw-r--r-- | drivers/net/ethernet/intel/igc/igc_base.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc_base.h b/drivers/net/ethernet/intel/igc/igc_base.h new file mode 100644 index 000000000..9f3827eda --- /dev/null +++ b/drivers/net/ethernet/intel/igc/igc_base.h @@ -0,0 +1,99 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2018 Intel Corporation */ + +#ifndef _IGC_BASE_H_ +#define _IGC_BASE_H_ + +/* forward declaration */ +void igc_rx_fifo_flush_base(struct igc_hw *hw); +void igc_power_down_phy_copper_base(struct igc_hw *hw); +bool igc_is_device_id_i225(struct igc_hw *hw); +bool igc_is_device_id_i226(struct igc_hw *hw); + +/* Transmit Descriptor - Advanced */ +union igc_adv_tx_desc { + struct { + __le64 buffer_addr; /* Address of descriptor's data buf */ + __le32 cmd_type_len; + __le32 olinfo_status; + } read; + struct { + __le64 rsvd; /* Reserved */ + __le32 nxtseq_seed; + __le32 status; + } wb; +}; + +/* Context descriptors */ +struct igc_adv_tx_context_desc { + __le32 vlan_macip_lens; + __le32 launch_time; + __le32 type_tucmd_mlhl; + __le32 mss_l4len_idx; +}; + +/* Adv Transmit Descriptor Config Masks */ +#define IGC_ADVTXD_MAC_TSTAMP 0x00080000 /* IEEE1588 Timestamp packet */ +#define IGC_ADVTXD_DTYP_CTXT 0x00200000 /* Advanced Context Descriptor */ +#define IGC_ADVTXD_DTYP_DATA 0x00300000 /* Advanced Data Descriptor */ +#define IGC_ADVTXD_DCMD_EOP 0x01000000 /* End of Packet */ +#define IGC_ADVTXD_DCMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */ +#define IGC_ADVTXD_DCMD_RS 0x08000000 /* Report Status */ +#define IGC_ADVTXD_DCMD_DEXT 0x20000000 /* Descriptor extension (1=Adv) */ +#define IGC_ADVTXD_DCMD_VLE 0x40000000 /* VLAN pkt enable */ +#define IGC_ADVTXD_DCMD_TSE 0x80000000 /* TCP Seg enable */ +#define IGC_ADVTXD_PAYLEN_SHIFT 14 /* Adv desc PAYLEN shift */ + +#define IGC_RAR_ENTRIES 16 + +/* Receive Descriptor - Advanced */ +union igc_adv_rx_desc { + struct { + __le64 pkt_addr; /* Packet buffer address */ + __le64 hdr_addr; /* Header buffer address */ + } read; + struct { + struct { + union { + __le32 data; + struct { + __le16 pkt_info; /*RSS type, Pkt type*/ + /* Split Header, header buffer len */ + __le16 hdr_info; + } hs_rss; + } lo_dword; + union { + __le32 rss; /* RSS Hash */ + struct { + __le16 ip_id; /* IP id */ + __le16 csum; /* Packet Checksum */ + } csum_ip; + } hi_dword; + } lower; + struct { + __le32 status_error; /* ext status/error */ + __le16 length; /* Packet length */ + __le16 vlan; /* VLAN tag */ + } upper; + } wb; /* writeback */ +}; + +/* Additional Transmit Descriptor Control definitions */ +#define IGC_TXDCTL_QUEUE_ENABLE 0x02000000 /* Ena specific Tx Queue */ +#define IGC_TXDCTL_SWFLUSH 0x04000000 /* Transmit Software Flush */ + +/* Additional Receive Descriptor Control definitions */ +#define IGC_RXDCTL_QUEUE_ENABLE 0x02000000 /* Ena specific Rx Queue */ +#define IGC_RXDCTL_SWFLUSH 0x04000000 /* Receive Software Flush */ + +/* SRRCTL bit definitions */ +#define IGC_SRRCTL_BSIZEPKT_MASK GENMASK(6, 0) +#define IGC_SRRCTL_BSIZEPKT(x) FIELD_PREP(IGC_SRRCTL_BSIZEPKT_MASK, \ + (x) / 1024) /* in 1 KB resolution */ +#define IGC_SRRCTL_BSIZEHDR_MASK GENMASK(13, 8) +#define IGC_SRRCTL_BSIZEHDR(x) FIELD_PREP(IGC_SRRCTL_BSIZEHDR_MASK, \ + (x) / 64) /* in 64 bytes resolution */ +#define IGC_SRRCTL_DESCTYPE_MASK GENMASK(27, 25) +#define IGC_SRRCTL_DESCTYPE_ADV_ONEBUF FIELD_PREP(IGC_SRRCTL_DESCTYPE_MASK, 1) + +#endif /* _IGC_BASE_H */ |