cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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igc_base.h (2765B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2/* Copyright (c)  2018 Intel Corporation */
      3
      4#ifndef _IGC_BASE_H_
      5#define _IGC_BASE_H_
      6
      7/* forward declaration */
      8void igc_rx_fifo_flush_base(struct igc_hw *hw);
      9void igc_power_down_phy_copper_base(struct igc_hw *hw);
     10
     11/* Transmit Descriptor - Advanced */
     12union igc_adv_tx_desc {
     13	struct {
     14		__le64 buffer_addr;    /* Address of descriptor's data buf */
     15		__le32 cmd_type_len;
     16		__le32 olinfo_status;
     17	} read;
     18	struct {
     19		__le64 rsvd;       /* Reserved */
     20		__le32 nxtseq_seed;
     21		__le32 status;
     22	} wb;
     23};
     24
     25/* Context descriptors */
     26struct igc_adv_tx_context_desc {
     27	__le32 vlan_macip_lens;
     28	__le32 launch_time;
     29	__le32 type_tucmd_mlhl;
     30	__le32 mss_l4len_idx;
     31};
     32
     33/* Adv Transmit Descriptor Config Masks */
     34#define IGC_ADVTXD_MAC_TSTAMP	0x00080000 /* IEEE1588 Timestamp packet */
     35#define IGC_ADVTXD_DTYP_CTXT	0x00200000 /* Advanced Context Descriptor */
     36#define IGC_ADVTXD_DTYP_DATA	0x00300000 /* Advanced Data Descriptor */
     37#define IGC_ADVTXD_DCMD_EOP	0x01000000 /* End of Packet */
     38#define IGC_ADVTXD_DCMD_IFCS	0x02000000 /* Insert FCS (Ethernet CRC) */
     39#define IGC_ADVTXD_DCMD_RS	0x08000000 /* Report Status */
     40#define IGC_ADVTXD_DCMD_DEXT	0x20000000 /* Descriptor extension (1=Adv) */
     41#define IGC_ADVTXD_DCMD_VLE	0x40000000 /* VLAN pkt enable */
     42#define IGC_ADVTXD_DCMD_TSE	0x80000000 /* TCP Seg enable */
     43#define IGC_ADVTXD_PAYLEN_SHIFT	14 /* Adv desc PAYLEN shift */
     44
     45#define IGC_RAR_ENTRIES		16
     46
     47/* Receive Descriptor - Advanced */
     48union igc_adv_rx_desc {
     49	struct {
     50		__le64 pkt_addr; /* Packet buffer address */
     51		__le64 hdr_addr; /* Header buffer address */
     52	} read;
     53	struct {
     54		struct {
     55			union {
     56				__le32 data;
     57				struct {
     58					__le16 pkt_info; /*RSS type, Pkt type*/
     59					/* Split Header, header buffer len */
     60					__le16 hdr_info;
     61				} hs_rss;
     62			} lo_dword;
     63			union {
     64				__le32 rss; /* RSS Hash */
     65				struct {
     66					__le16 ip_id; /* IP id */
     67					__le16 csum; /* Packet Checksum */
     68				} csum_ip;
     69			} hi_dword;
     70		} lower;
     71		struct {
     72			__le32 status_error; /* ext status/error */
     73			__le16 length; /* Packet length */
     74			__le16 vlan; /* VLAN tag */
     75		} upper;
     76	} wb;  /* writeback */
     77};
     78
     79/* Additional Transmit Descriptor Control definitions */
     80#define IGC_TXDCTL_QUEUE_ENABLE	0x02000000 /* Ena specific Tx Queue */
     81#define IGC_TXDCTL_SWFLUSH	0x04000000 /* Transmit Software Flush */
     82
     83/* Additional Receive Descriptor Control definitions */
     84#define IGC_RXDCTL_QUEUE_ENABLE	0x02000000 /* Ena specific Rx Queue */
     85#define IGC_RXDCTL_SWFLUSH		0x04000000 /* Receive Software Flush */
     86
     87/* SRRCTL bit definitions */
     88#define IGC_SRRCTL_BSIZEPKT_SHIFT		10 /* Shift _right_ */
     89#define IGC_SRRCTL_BSIZEHDRSIZE_SHIFT		2  /* Shift _left_ */
     90#define IGC_SRRCTL_DESCTYPE_ADV_ONEBUF	0x02000000
     91
     92#endif /* _IGC_BASE_H */