net/vmxnet3/vmxnet3_defs.h

4  * Copyright (C) 2008-2024, VMware, Inc. All Rights Reserved.
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
23  * Maintained by: pv-drivers@vmware.com
55 	VMXNET3_REG_TXPROD	= 0x600, /* Tx Producer Index */
62 	VMXNET3_REG_LB_TXPROD   = 0x1000, /* Tx Producer Index */
73 #define VMXNET3_REG_ALIGN       8	/* All registers are 8-byte aligned. */
133  *	Little Endian layout of bitfields -
139  *	Big Endian layout of bitfields -
264 	u64  tsi:1;      //bit to indicate to set ts
270 	struct Vmxnet3TSInfo ts;  member
275 	struct Vmxnet3TSInfo ts;  member
306 	u32		ts:1;         /* Tag is stripped */  member
312 	u32		ts:1;         /* Tag is stripped */  member
418 /* Max size of a single tx buffer */
421 /* # of tx desc needed for a tx buffer size */
422 #define VMXNET3_TXD_NEEDED(size) (((size) + VMXNET3_MAX_TX_BUF_SIZE - 1) / \
425 /* max # of tx descs for a non-tso pkt */
427 /* max # of tx descs for a tso pkt */
430 /* Max size of a single rx buffer */
431 #define VMXNET3_MAX_RX_BUF_SIZE  ((1 << 14) - 1)
438 #define VMXNET3_RING_BA_MASK    (VMXNET3_RING_BA_ALIGN - 1)
442 #define VMXNET3_RING_SIZE_MASK  (VMXNET3_RING_SIZE_ALIGN - 1)
444 /* Tx Data Ring buffer size must be a multiple of 64 */
446 #define VMXNET3_TXDATA_DESC_SIZE_MASK  (VMXNET3_TXDATA_DESC_SIZE_ALIGN - 1)
450 #define VMXNET3_RXDATA_DESC_SIZE_MASK  (VMXNET3_RXDATA_DESC_SIZE_ALIGN - 1)
452 /* Rx TS Ring buffer size must be a multiple of 64 bytes */
454 #define VMXNET3_RXTS_DESC_SIZE_MASK  (VMXNET3_RXTS_DESC_SIZE_ALIGN - 1)
455 /* Tx TS Ring buffer size must be a multiple of 64 bytes */
457 #define VMXNET3_TXTS_DESC_SIZE_MASK  (VMXNET3_TXTS_DESC_SIZE_ALIGN - 1)
459 /* Max ring size */
478  VMXNET3_ERR_TXD_REUSE    = 0x80000001,  /* reuse TxDesc before tx completion */
488 #define VMXNET3_CDTYPE_TXCOMP      0    /* Tx Completion Descriptor */
506 	u32		gosBits:2;    /* 32-bit or 64-bit? */
508 	u32		gosBits:2;     /* 32-bit or 64-bit? */
555 	__le32		txRingSize;   /* # of tx desc */
588 	__le16  txTSRingDescSize; /* size of tx timestamp ring buffer */
824 	/* read-only region for device, read by dev in response to a SET cmd */
834 	/* read-only region for device, read by dev in response to a SET cmd */