diff options
Diffstat (limited to 'sys/dev/pci/if_nxreg.h')
| -rw-r--r-- | sys/dev/pci/if_nxreg.h | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/sys/dev/pci/if_nxreg.h b/sys/dev/pci/if_nxreg.h index 82cee19e4a0..e10b9dde8b6 100644 --- a/sys/dev/pci/if_nxreg.h +++ b/sys/dev/pci/if_nxreg.h @@ -1,4 +1,4 @@ -/* $OpenBSD: if_nxreg.h,v 1.21 2007/05/03 20:50:56 reyk Exp $ */ +/* $OpenBSD: if_nxreg.h,v 1.22 2007/05/03 21:05:41 reyk Exp $ */ /* * Copyright (c) 2007 Reyk Floeter <reyk@openbsd.org> @@ -34,6 +34,8 @@ #define NX_MAX_MTU ETHER_MTU #define NX_JUMBO_MTU 8000 /* less than 9k */ +#define NX_DMA_ALIGN 8 /* 64bit alignment */ + #define NX_POLL_SENSOR 10 /* read temp sensor every 10s */ /* This driver supported the 3.4.31 (3.4.xx) NIC firmware */ @@ -137,6 +139,37 @@ struct nx_statusdesc { #define NX_STSDESC_PROTO_M 0x003c } __packed; +struct nx_rxcontext { + u_int32_t rc_ringaddr_low; + u_int32_t rc_ringaddr_high; + u_int32_t rc_ringsize; + u_int32_t rc_reserved; +} __packed; + +#define NX_NRXCONTEXT 3 + +/* DMA-mapped ring context for the Rx, Tx, and Status rings */ +struct nx_ringcontext { + u_int64_t rc_txconsumer_off; + u_int32_t rc_txringaddr_low; + u_int32_t rc_txringaddr_high; + + u_int32_t rc_txring_size; + + struct nx_rxcontext rc_rxcontext[NX_NRXCONTEXT]; + + u_int32_t rc_statusringaddr_low; + u_int32_t rc_statusringaddr_high; + u_int32_t rc_statusring_size; + + u_int32_t rc_id; /* context identifier */ + + /* d3 state register, dummy dma address */ + u_int64_t rc_reserved[2]; + + u_int32_t rc_align; /* 64bit aligned */ +} __packed; + /* * Memory layout */ |