|  | /* SPDX-License-Identifier: GPL-2.0 */ | 
|  | /* Copyright(c) 1999 - 2018 Intel Corporation. */ | 
|  |  | 
|  | #ifndef _E1000_DEFINES_H_ | 
|  | #define _E1000_DEFINES_H_ | 
|  |  | 
|  | /* Number of Transmit and Receive Descriptors must be a multiple of 8 */ | 
|  | #define REQ_TX_DESCRIPTOR_MULTIPLE	8 | 
|  | #define REQ_RX_DESCRIPTOR_MULTIPLE	8 | 
|  |  | 
|  | /* IVAR valid bit */ | 
|  | #define E1000_IVAR_VALID	0x80 | 
|  |  | 
|  | /* Receive Descriptor bit definitions */ | 
|  | #define E1000_RXD_STAT_DD	0x01    /* Descriptor Done */ | 
|  | #define E1000_RXD_STAT_EOP	0x02    /* End of Packet */ | 
|  | #define E1000_RXD_STAT_IXSM	0x04    /* Ignore checksum */ | 
|  | #define E1000_RXD_STAT_VP	0x08    /* IEEE VLAN Packet */ | 
|  | #define E1000_RXD_STAT_UDPCS	0x10    /* UDP xsum calculated */ | 
|  | #define E1000_RXD_STAT_TCPCS	0x20    /* TCP xsum calculated */ | 
|  | #define E1000_RXD_STAT_IPCS	0x40    /* IP xsum calculated */ | 
|  | #define E1000_RXD_ERR_SE	0x02    /* Symbol Error */ | 
|  | #define E1000_RXD_SPC_VLAN_MASK	0x0FFF  /* VLAN ID is in lower 12 bits */ | 
|  |  | 
|  | #define E1000_RXDEXT_STATERR_LB	0x00040000 | 
|  | #define E1000_RXDEXT_STATERR_CE	0x01000000 | 
|  | #define E1000_RXDEXT_STATERR_SE	0x02000000 | 
|  | #define E1000_RXDEXT_STATERR_SEQ	0x04000000 | 
|  | #define E1000_RXDEXT_STATERR_CXE	0x10000000 | 
|  | #define E1000_RXDEXT_STATERR_TCPE	0x20000000 | 
|  | #define E1000_RXDEXT_STATERR_IPE	0x40000000 | 
|  | #define E1000_RXDEXT_STATERR_RXE	0x80000000 | 
|  |  | 
|  | /* Same mask, but for extended and packet split descriptors */ | 
|  | #define E1000_RXDEXT_ERR_FRAME_ERR_MASK ( \ | 
|  | E1000_RXDEXT_STATERR_CE  | \ | 
|  | E1000_RXDEXT_STATERR_SE  | \ | 
|  | E1000_RXDEXT_STATERR_SEQ | \ | 
|  | E1000_RXDEXT_STATERR_CXE | \ | 
|  | E1000_RXDEXT_STATERR_RXE) | 
|  |  | 
|  | /* Device Control */ | 
|  | #define E1000_CTRL_RST		0x04000000  /* Global reset */ | 
|  |  | 
|  | /* Device Status */ | 
|  | #define E1000_STATUS_FD		0x00000001      /* Full duplex.0=half,1=full */ | 
|  | #define E1000_STATUS_LU		0x00000002      /* Link up.0=no,1=link */ | 
|  | #define E1000_STATUS_TXOFF	0x00000010      /* transmission paused */ | 
|  | #define E1000_STATUS_SPEED_10	0x00000000      /* Speed 10Mb/s */ | 
|  | #define E1000_STATUS_SPEED_100	0x00000040      /* Speed 100Mb/s */ | 
|  | #define E1000_STATUS_SPEED_1000	0x00000080      /* Speed 1000Mb/s */ | 
|  |  | 
|  | #define SPEED_10	10 | 
|  | #define SPEED_100	100 | 
|  | #define SPEED_1000	1000 | 
|  | #define HALF_DUPLEX	1 | 
|  | #define FULL_DUPLEX	2 | 
|  |  | 
|  | /* Transmit Descriptor bit definitions */ | 
|  | #define E1000_TXD_POPTS_IXSM	0x01       /* Insert IP checksum */ | 
|  | #define E1000_TXD_POPTS_TXSM	0x02       /* Insert TCP/UDP checksum */ | 
|  | #define E1000_TXD_CMD_DEXT	0x20000000 /* Desc extension (0 = legacy) */ | 
|  | #define E1000_TXD_STAT_DD	0x00000001 /* Desc Done */ | 
|  |  | 
|  | #define MAX_JUMBO_FRAME_SIZE		0x3F00 | 
|  | #define MAX_STD_JUMBO_FRAME_SIZE	9216 | 
|  |  | 
|  | /* 802.1q VLAN Packet Size */ | 
|  | #define VLAN_TAG_SIZE		4    /* 802.3ac tag (not DMA'd) */ | 
|  |  | 
|  | /* Error Codes */ | 
|  | #define E1000_SUCCESS		0 | 
|  | #define E1000_ERR_CONFIG	3 | 
|  | #define E1000_ERR_MAC_INIT	5 | 
|  | #define E1000_ERR_MBX		15 | 
|  |  | 
|  | /* SRRCTL bit definitions */ | 
|  | #define E1000_SRRCTL_BSIZEPKT_SHIFT		10 /* Shift _right_ */ | 
|  | #define E1000_SRRCTL_BSIZEHDRSIZE_MASK		0x00000F00 | 
|  | #define E1000_SRRCTL_BSIZEHDRSIZE_SHIFT		2  /* Shift _left_ */ | 
|  | #define E1000_SRRCTL_DESCTYPE_ADV_ONEBUF	0x02000000 | 
|  | #define E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS	0x0A000000 | 
|  | #define E1000_SRRCTL_DESCTYPE_MASK		0x0E000000 | 
|  | #define E1000_SRRCTL_DROP_EN			0x80000000 | 
|  |  | 
|  | #define E1000_SRRCTL_BSIZEPKT_MASK	0x0000007F | 
|  | #define E1000_SRRCTL_BSIZEHDR_MASK	0x00003F00 | 
|  |  | 
|  | /* Additional Descriptor Control definitions */ | 
|  | #define E1000_TXDCTL_QUEUE_ENABLE	0x02000000 /* Enable specific Tx Que */ | 
|  | #define E1000_RXDCTL_QUEUE_ENABLE	0x02000000 /* Enable specific Rx Que */ | 
|  |  | 
|  | /* Direct Cache Access (DCA) definitions */ | 
|  | #define E1000_DCA_TXCTRL_TX_WB_RO_EN	BIT(11) /* Tx Desc writeback RO bit */ | 
|  |  | 
|  | #define E1000_VF_INIT_TIMEOUT	200 /* Number of retries to clear RSTI */ | 
|  |  | 
|  | #endif /* _E1000_DEFINES_H_ */ |