linux-libre/drivers/net/ethernet/intel/ixgbevf/defines.h

/*******************************************************************************

  Intel 82599 Virtual Function driver
  Copyright(c) 1999 - 2015 Intel Corporation.

  This program is free software; you can redistribute it and/or modify it
  under the terms and conditions of the GNU General Public License,
  version 2, as published by the Free Software Foundation.

  This program is distributed in the hope it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  more details.

  You should have received a copy of the GNU General Public License along with
  this program; if not, see <http://www.gnu.org/licenses/>.

  The full GNU General Public License is included in this distribution in
  the file called "COPYING".

  Contact Information:
  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

*******************************************************************************/

#ifndef _IXGBEVF_DEFINES_H_
#define _IXGBEVF_DEFINES_H_

/* Device IDs */
#define IXGBE_DEV_ID_82599_VF		0x10ED
#define IXGBE_DEV_ID_X540_VF		0x1515
#define IXGBE_DEV_ID_X550_VF		0x1565
#define IXGBE_DEV_ID_X550EM_X_VF	0x15A8
#define IXGBE_DEV_ID_X550EM_A_VF	0x15C5

#define IXGBE_DEV_ID_82599_VF_HV	0x152E
#define IXGBE_DEV_ID_X540_VF_HV		0x1530
#define IXGBE_DEV_ID_X550_VF_HV		0x1564
#define IXGBE_DEV_ID_X550EM_X_VF_HV	0x15A9

#define IXGBE_VF_IRQ_CLEAR_MASK		7
#define IXGBE_VF_MAX_TX_QUEUES		8
#define IXGBE_VF_MAX_RX_QUEUES		8

/* DCB define */
#define IXGBE_VF_MAX_TRAFFIC_CLASS	8

/* Link speed */
typedef u32 ixgbe_link_speed;
#define IXGBE_LINK_SPEED_1GB_FULL	0x0020
#define IXGBE_LINK_SPEED_10GB_FULL	0x0080
#define IXGBE_LINK_SPEED_100_FULL	0x0008

#define IXGBE_CTRL_RST		0x04000000 /* Reset (SW) */
#define IXGBE_RXDCTL_ENABLE	0x02000000 /* Enable specific Rx Queue */
#define IXGBE_TXDCTL_ENABLE	0x02000000 /* Enable specific Tx Queue */
#define IXGBE_LINKS_UP		0x40000000
#define IXGBE_LINKS_SPEED_82599		0x30000000
#define IXGBE_LINKS_SPEED_10G_82599	0x30000000
#define IXGBE_LINKS_SPEED_1G_82599	0x20000000
#define IXGBE_LINKS_SPEED_100_82599	0x10000000

/* Number of Transmit and Receive Descriptors must be a multiple of 8 */
#define IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE	8
#define IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE	8
#define IXGBE_REQ_TX_BUFFER_GRANULARITY		1024

/* Interrupt Vector Allocation Registers */
#define IXGBE_IVAR_ALLOC_VAL	0x80 /* Interrupt Allocation valid */

#define IXGBE_VF_INIT_TIMEOUT	200 /* Number of retries to clear RSTI */

/* Receive Config masks */
#define IXGBE_RXCTRL_RXEN	0x00000001  /* Enable Receiver */
#define IXGBE_RXCTRL_DMBYPS	0x00000002  /* Descriptor Monitor Bypass */
#define IXGBE_RXDCTL_ENABLE	0x02000000  /* Enable specific Rx Queue */
#define IXGBE_RXDCTL_VME	0x40000000  /* VLAN mode enable */
#define IXGBE_RXDCTL_RLPMLMASK	0x00003FFF  /* Only supported on the X540 */
#define IXGBE_RXDCTL_RLPML_EN	0x00008000

/* DCA Control */
#define IXGBE_DCA_TXCTRL_TX_WB_RO_EN BIT(11) /* Tx Desc writeback RO bit */

/* PSRTYPE bit definitions */
#define IXGBE_PSRTYPE_TCPHDR	0x00000010
#define IXGBE_PSRTYPE_UDPHDR	0x00000020
#define IXGBE_PSRTYPE_IPV4HDR	0x00000100
#define IXGBE_PSRTYPE_IPV6HDR	0x00000200
#define IXGBE_PSRTYPE_L2HDR	0x00001000

/* SRRCTL bit definitions */
#define IXGBE_SRRCTL_BSIZEPKT_SHIFT	10     /* so many KBs */
#define IXGBE_SRRCTL_RDMTS_SHIFT	22
#define IXGBE_SRRCTL_RDMTS_MASK		0x01C00000
#define IXGBE_SRRCTL_DROP_EN		0x10000000
#define IXGBE_SRRCTL_BSIZEPKT_MASK	0x0000007F
#define IXGBE_SRRCTL_BSIZEHDR_MASK	0x00003F00
#define IXGBE_SRRCTL_DESCTYPE_LEGACY	0x00000000
#define IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF 0x02000000
#define IXGBE_SRRCTL_DESCTYPE_HDR_SPLIT	0x04000000
#define IXGBE_SRRCTL_DESCTYPE_HDR_REPLICATION_LARGE_PKT 0x08000000
#define IXGBE_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS 0x0A000000
#define IXGBE_SRRCTL_DESCTYPE_MASK	0x0E000000

/* Receive Descriptor bit definitions */
#define IXGBE_RXD_STAT_DD	0x01    /* Descriptor Done */
#define IXGBE_RXD_STAT_EOP	0x02    /* End of Packet */
#define IXGBE_RXD_STAT_FLM	0x04    /* FDir Match */
#define IXGBE_RXD_STAT_VP	0x08    /* IEEE VLAN Packet */
#define IXGBE_RXDADV_NEXTP_MASK	0x000FFFF0 /* Next Descriptor Index */
#define IXGBE_RXDADV_NEXTP_SHIFT	0x00000004
#define IXGBE_RXD_STAT_UDPCS	0x10    /* UDP xsum calculated */
#define IXGBE_RXD_STAT_L4CS	0x20    /* L4 xsum calculated */
#define IXGBE_RXD_STAT_IPCS	0x40    /* IP xsum calculated */
#define IXGBE_RXD_STAT_PIF	0x80    /* passed in-exact filter */
#define IXGBE_RXD_STAT_CRCV	0x100   /* Speculative CRC Valid */
#define IXGBE_RXD_STAT_VEXT	0x200   /* 1st VLAN found */
#define IXGBE_RXD_STAT_UDPV	0x400   /* Valid UDP checksum */
#define IXGBE_RXD_STAT_DYNINT	0x800   /* Pkt caused INT via DYNINT */
#define IXGBE_RXD_STAT_TS	0x10000 /* Time Stamp */
#define IXGBE_RXD_STAT_SECP	0x20000 /* Security Processing */
#define IXGBE_RXD_STAT_LB	0x40000 /* Loopback Status */
#define IXGBE_RXD_STAT_ACK	0x8000  /* ACK Packet indication */
#define IXGBE_RXD_ERR_CE	0x01    /* CRC Error */
#define IXGBE_RXD_ERR_LE	0x02    /* Length Error */
#define IXGBE_RXD_ERR_PE	0x08    /* Packet Error */
#define IXGBE_RXD_ERR_OSE	0x10    /* Oversize Error */
#define IXGBE_RXD_ERR_USE	0x20    /* Undersize Error */
#define IXGBE_RXD_ERR_TCPE	0x40    /* TCP/UDP Checksum Error */
#define IXGBE_RXD_ERR_IPE	0x80    /* IP Checksum Error */
#define IXGBE_RXDADV_ERR_MASK	0xFFF00000 /* RDESC.ERRORS mask */
#define IXGBE_RXDADV_ERR_SHIFT	20         /* RDESC.ERRORS shift */
#define IXGBE_RXDADV_ERR_HBO	0x00800000 /*Header Buffer Overflow */
#define IXGBE_RXDADV_ERR_CE	0x01000000 /* CRC Error */
#define IXGBE_RXDADV_ERR_LE	0x02000000 /* Length Error */
#define IXGBE_RXDADV_ERR_PE	0x08000000 /* Packet Error */
#define IXGBE_RXDADV_ERR_OSE	0x10000000 /* Oversize Error */
#define IXGBE_RXDADV_ERR_USE	0x20000000 /* Undersize Error */
#define IXGBE_RXDADV_ERR_TCPE	0x40000000 /* TCP/UDP Checksum Error */
#define IXGBE_RXDADV_ERR_IPE	0x80000000 /* IP Checksum Error */
#define IXGBE_RXD_VLAN_ID_MASK	0x0FFF  /* VLAN ID is in lower 12 bits */
#define IXGBE_RXD_PRI_MASK	0xE000  /* Priority is in upper 3 bits */
#define IXGBE_RXD_PRI_SHIFT	13
#define IXGBE_RXD_CFI_MASK	0x1000  /* CFI is bit 12 */
#define IXGBE_RXD_CFI_SHIFT	12

#define IXGBE_RXDADV_STAT_DD		IXGBE_RXD_STAT_DD  /* Done */
#define IXGBE_RXDADV_STAT_EOP		IXGBE_RXD_STAT_EOP /* End of Packet */
#define IXGBE_RXDADV_STAT_FLM		IXGBE_RXD_STAT_FLM /* FDir Match */
#define IXGBE_RXDADV_STAT_VP		IXGBE_RXD_STAT_VP  /* IEEE VLAN Pkt */
#define IXGBE_RXDADV_STAT_MASK		0x000FFFFF /* Stat/NEXTP: bit 0-19 */
#define IXGBE_RXDADV_STAT_FCEOFS	0x00000040 /* FCoE EOF/SOF Stat */
#define IXGBE_RXDADV_STAT_FCSTAT	0x00000030 /* FCoE Pkt Stat */
#define IXGBE_RXDADV_STAT_FCSTAT_NOMTCH	0x00000000 /* 00: No Ctxt Match */
#define IXGBE_RXDADV_STAT_FCSTAT_NODDP	0x00000010 /* 01: Ctxt w/o DDP */
#define IXGBE_RXDADV_STAT_FCSTAT_FCPRSP	0x00000020 /* 10: Recv. FCP_RSP */
#define IXGBE_RXDADV_STAT_FCSTAT_DDP	0x00000030 /* 11: Ctxt w/ DDP */

#define IXGBE_RXDADV_RSSTYPE_MASK	0x0000000F
#define IXGBE_RXDADV_PKTTYPE_MASK	0x0000FFF0
#define IXGBE_RXDADV_PKTTYPE_MASK_EX	0x0001FFF0
#define IXGBE_RXDADV_HDRBUFLEN_MASK	0x00007FE0
#define IXGBE_RXDADV_RSCCNT_MASK	0x001E0000
#define IXGBE_RXDADV_RSCCNT_SHIFT	17
#define IXGBE_RXDADV_HDRBUFLEN_SHIFT	5
#define IXGBE_RXDADV_SPLITHEADER_EN	0x00001000
#define IXGBE_RXDADV_SPH		0x8000

/* RSS Hash results */
#define IXGBE_RXDADV_RSSTYPE_NONE		0x00000000
#define IXGBE_RXDADV_RSSTYPE_IPV4_TCP		0x00000001
#define IXGBE_RXDADV_RSSTYPE_IPV4		0x00000002
#define IXGBE_RXDADV_RSSTYPE_IPV6_TCP		0x00000003
#define IXGBE_RXDADV_RSSTYPE_IPV6_EX		0x00000004
#define IXGBE_RXDADV_RSSTYPE_IPV6		0x00000005
#define IXGBE_RXDADV_RSSTYPE_IPV6_TCP_EX	0x00000006
#define IXGBE_RXDADV_RSSTYPE_IPV4_UDP		0x00000007
#define IXGBE_RXDADV_RSSTYPE_IPV6_UDP		0x00000008
#define IXGBE_RXDADV_RSSTYPE_IPV6_UDP_EX	0x00000009

#define IXGBE_RXD_ERR_FRAME_ERR_MASK ( \
				      IXGBE_RXD_ERR_CE |  \
				      IXGBE_RXD_ERR_LE |  \
				      IXGBE_RXD_ERR_PE |  \
				      IXGBE_RXD_ERR_OSE | \
				      IXGBE_RXD_ERR_USE)

#define IXGBE_RXDADV_ERR_FRAME_ERR_MASK ( \
					 IXGBE_RXDADV_ERR_CE |  \
					 IXGBE_RXDADV_ERR_LE |  \
					 IXGBE_RXDADV_ERR_PE |  \
					 IXGBE_RXDADV_ERR_OSE | \
					 IXGBE_RXDADV_ERR_USE)

#define IXGBE_TXD_POPTS_IXSM	0x01       /* Insert IP checksum */
#define IXGBE_TXD_POPTS_TXSM	0x02       /* Insert TCP/UDP checksum */
#define IXGBE_TXD_CMD_EOP	0x01000000 /* End of Packet */
#define IXGBE_TXD_CMD_IFCS	0x02000000 /* Insert FCS (Ethernet CRC) */
#define IXGBE_TXD_CMD_IC	0x04000000 /* Insert Checksum */
#define IXGBE_TXD_CMD_RS	0x08000000 /* Report Status */
#define IXGBE_TXD_CMD_DEXT	0x20000000 /* Descriptor ext (0 = legacy) */
#define IXGBE_TXD_CMD_VLE	0x40000000 /* Add VLAN tag */
#define IXGBE_TXD_STAT_DD	0x00000001 /* Descriptor Done */
#define IXGBE_TXD_CMD		(IXGBE_TXD_CMD_EOP | IXGBE_TXD_CMD_RS)

/* Transmit Descriptor - Advanced */
union ixgbe_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;
};

/* Receive Descriptor - Advanced */
union ixgbe_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, Pkt type */
					__le16 hdr_info; /* Splithdr, hdrlen */
				} 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 */
};

/* Context descriptors */
struct ixgbe_adv_tx_context_desc {
	__le32 vlan_macip_lens;
	__le32 seqnum_seed;
	__le32 type_tucmd_mlhl;
	__le32 mss_l4len_idx;
};

/* Adv Transmit Descriptor Config Masks */
#define IXGBE_ADVTXD_DTYP_MASK	0x00F00000 /* DTYP mask */
#define IXGBE_ADVTXD_DTYP_CTXT	0x00200000 /* Advanced Context Desc */
#define IXGBE_ADVTXD_DTYP_DATA	0x00300000 /* Advanced Data Descriptor */
#define IXGBE_ADVTXD_DCMD_EOP	IXGBE_TXD_CMD_EOP  /* End of Packet */
#define IXGBE_ADVTXD_DCMD_IFCS	IXGBE_TXD_CMD_IFCS /* Insert FCS */
#define IXGBE_ADVTXD_DCMD_RS	IXGBE_TXD_CMD_RS   /* Report Status */
#define IXGBE_ADVTXD_DCMD_DEXT	IXGBE_TXD_CMD_DEXT /* Desc ext (1=Adv) */
#define IXGBE_ADVTXD_DCMD_VLE	IXGBE_TXD_CMD_VLE  /* VLAN pkt enable */
#define IXGBE_ADVTXD_DCMD_TSE	0x80000000 /* TCP Seg enable */
#define IXGBE_ADVTXD_STAT_DD	IXGBE_TXD_STAT_DD  /* Descriptor Done */
#define IXGBE_ADVTXD_TUCMD_IPV4	0x00000400  /* IP Packet Type: 1=IPv4 */
#define IXGBE_ADVTXD_TUCMD_IPV6	0x00000000  /* IP Packet Type: 0=IPv6 */
#define IXGBE_ADVTXD_TUCMD_L4T_UDP	0x00000000  /* L4 Packet TYPE of UDP */
#define IXGBE_ADVTXD_TUCMD_L4T_TCP	0x00000800  /* L4 Packet TYPE of TCP */
#define IXGBE_ADVTXD_TUCMD_L4T_SCTP	0x00001000  /* L4 Packet TYPE of SCTP */
#define IXGBE_ADVTXD_IDX_SHIFT	4 /* Adv desc Index shift */
#define IXGBE_ADVTXD_CC		0x00000080 /* Check Context */
#define IXGBE_ADVTXD_POPTS_SHIFT	8  /* Adv desc POPTS shift */
#define IXGBE_ADVTXD_POPTS_IXSM	(IXGBE_TXD_POPTS_IXSM << \
				 IXGBE_ADVTXD_POPTS_SHIFT)
#define IXGBE_ADVTXD_POPTS_TXSM	(IXGBE_TXD_POPTS_TXSM << \
				 IXGBE_ADVTXD_POPTS_SHIFT)
#define IXGBE_ADVTXD_PAYLEN_SHIFT	14 /* Adv desc PAYLEN shift */
#define IXGBE_ADVTXD_MACLEN_SHIFT	9  /* Adv ctxt desc mac len shift */
#define IXGBE_ADVTXD_VLAN_SHIFT		16 /* Adv ctxt vlan tag shift */
#define IXGBE_ADVTXD_L4LEN_SHIFT	8  /* Adv ctxt L4LEN shift */
#define IXGBE_ADVTXD_MSS_SHIFT		16 /* Adv ctxt MSS shift */

/* Interrupt register bitmasks */

#define IXGBE_EITR_CNT_WDIS	0x80000000
#define IXGBE_MAX_EITR		0x00000FF8
#define IXGBE_MIN_EITR		8

/* Error Codes */
#define IXGBE_ERR_INVALID_MAC_ADDR	-1
#define IXGBE_ERR_RESET_FAILED		-2
#define IXGBE_ERR_INVALID_ARGUMENT	-3

/* Transmit Config masks */
#define IXGBE_TXDCTL_ENABLE		0x02000000 /* Ena specific Tx Queue */
#define IXGBE_TXDCTL_SWFLSH		0x04000000 /* Tx Desc. wr-bk flushing */
#define IXGBE_TXDCTL_WTHRESH_SHIFT	16	   /* shift to WTHRESH bits */

#define IXGBE_DCA_RXCTRL_DESC_DCA_EN	BIT(5)  /* Rx Desc enable */
#define IXGBE_DCA_RXCTRL_HEAD_DCA_EN	BIT(6)  /* Rx Desc header ena */
#define IXGBE_DCA_RXCTRL_DATA_DCA_EN	BIT(7)  /* Rx Desc payload ena */
#define IXGBE_DCA_RXCTRL_DESC_RRO_EN	BIT(9)  /* Rx rd Desc Relax Order */
#define IXGBE_DCA_RXCTRL_DATA_WRO_EN	BIT(13) /* Rx wr data Relax Order */
#define IXGBE_DCA_RXCTRL_HEAD_WRO_EN	BIT(15) /* Rx wr header RO */

#define IXGBE_DCA_TXCTRL_DESC_DCA_EN	BIT(5)  /* DCA Tx Desc enable */
#define IXGBE_DCA_TXCTRL_DESC_RRO_EN	BIT(9)  /* Tx rd Desc Relax Order */
#define IXGBE_DCA_TXCTRL_DESC_WRO_EN	BIT(11) /* Tx Desc writeback RO bit */
#define IXGBE_DCA_TXCTRL_DATA_RRO_EN	BIT(13) /* Tx rd data Relax Order */

#endif /* _IXGBEVF_DEFINES_H_ */