mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-29 12:03:03 +00:00
3398752a77
into FreeBSD. PR: kern/23620 Submitted by: rh@matriplex.com MFC after: 1 month
115 lines
3.9 KiB
C
115 lines
3.9 KiB
C
/*
|
|
*
|
|
* ===================================
|
|
* HARP | Host ATM Research Platform
|
|
* ===================================
|
|
*
|
|
*
|
|
* This Host ATM Research Platform ("HARP") file (the "Software") is
|
|
* made available by Network Computing Services, Inc. ("NetworkCS")
|
|
* "AS IS". NetworkCS does not provide maintenance, improvements or
|
|
* support of any kind.
|
|
*
|
|
* NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
|
|
* INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
* AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
|
|
* SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
|
|
* In no event shall NetworkCS be responsible for any damages, including
|
|
* but not limited to consequential damages, arising from or relating to
|
|
* any use of the Software or related support.
|
|
*
|
|
* Copyright 1994-1998 Network Computing Services, Inc.
|
|
*
|
|
* Copies of this Software may be made, however, the above copyright
|
|
* notice must be reproduced on all copies.
|
|
*
|
|
* @(#) $FreeBSD$
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* FORE Systems 200-Series Adapter Support
|
|
* ---------------------------------------
|
|
*
|
|
* Protocol and implementation definitions
|
|
*
|
|
*/
|
|
|
|
#ifndef _FORE_H
|
|
#define _FORE_H
|
|
|
|
#ifndef FORE_DEV_NAME
|
|
#define FORE_DEV_NAME "hfa"
|
|
#endif
|
|
|
|
#define FORE_MAX_UNITS 8 /* Maximum number of devices we support */
|
|
#define FORE_MIN_UCODE 0x20300 /* Minimum microcode version we support */
|
|
|
|
#define FORE_IFF_MTU 9188 /* Network interface MTU */
|
|
#define FORE_MAX_VCC 1024 /* Maximum number of open VCCs */
|
|
#define FORE_MAX_VPI 0 /* Maximum VPI value */
|
|
#define FORE_MAX_VCI 1023 /* Maximum VCI value */
|
|
#define FORE_DEF_RATE 0x00000000 /* Default rate control = disabled */
|
|
|
|
#define XMIT_QUELEN 32 /* Length of transmit queue */
|
|
#define RECV_QUELEN 32 /* Length of receive queue */
|
|
#define CMD_QUELEN 8 /* Length of command queue */
|
|
|
|
#define FORE_TIME_TICK 5 /* Watchdog timer tick (seconds) */
|
|
#define FORE_WATCHDOG 3 /* Device watchdog timeout (ticks) */
|
|
#define FORE_RECV_RETRY 3 /* Wait for receive queue entry retry count */
|
|
#define FORE_RECV_DELAY 10 /* Wait for receive queue entry delay (usec) */
|
|
|
|
|
|
/*
|
|
* Receive Buffer strategies
|
|
*/
|
|
#define BUF_MIN_VCC 4 /* Minimum for buffer supply calculations */
|
|
|
|
#define BUF_DATA_ALIGN 4 /* Fore-required data alignment */
|
|
|
|
/*
|
|
* Strategy 1 Small - mbuf
|
|
* Strategy 1 Large - cluster mbuf
|
|
*
|
|
* XXX buffer controls - the RECV_MAX_SEGS calculation comes out wrong
|
|
* using the true buffer size values if the CP really only does full-cell
|
|
* filling of a particular buffer - we must clarify this...it also appears
|
|
* the minimum buffer size is 64, even if the CP can only fit in 1 cell.
|
|
*/
|
|
#define SIZEOF_Buf_handle 16 /* XXX sizeof(Buf_handle) */
|
|
|
|
#undef m_ext
|
|
typedef struct m_ext M_ext;
|
|
#define m_ext M_dat.MH.MH_dat.MH_ext
|
|
#define BUF1_SM_HOFF (sizeof(struct m_hdr)) /* Buffer-to-handle offset */
|
|
#define BUF1_SM_HDR (sizeof(struct m_hdr) + sizeof(struct pkthdr))
|
|
#define BUF1_SM_LEN (MHLEN)
|
|
#define BUF1_LG_HOFF (sizeof(struct m_hdr) + sizeof(struct pkthdr) \
|
|
+ sizeof(M_ext)) /* Buffer-to-handle offset */
|
|
/*
|
|
* BUF1_SM_DOFF - CP data offset into buffer data space
|
|
* BUF1_SM_SIZE - Buffer size
|
|
*
|
|
* These should be defined as follows, but we need compile-time constants:
|
|
*
|
|
* #define BUF1_SM_DOFF (roundup(BUF1_SM_HOFF + SIZEOF_Buf_handle,
|
|
* BUF_DATA_ALIGN) - BUF1_SM_HDR)
|
|
* #define BUF1_SM_SIZE MAX(BUF1_SM_LEN - BUF1_SM_DOFF, 64)
|
|
*
|
|
*/
|
|
#define BUF1_SM_DOFF (SIZEOF_Buf_handle)
|
|
#define BUF1_SM_SIZE (BUF1_SM_LEN - BUF1_SM_DOFF)
|
|
|
|
#define BUF1_SM_QUELEN 16 /* Entries in supply queue */
|
|
#define BUF1_SM_CPPOOL 256 /* Buffers in CP-resident pool */
|
|
#define BUF1_SM_ENTSIZE 8 /* Buffers in each supply queue entry */
|
|
|
|
#define BUF1_LG_DOFF 0 /* CP data offset into mbuf data space */
|
|
#define BUF1_LG_SIZE MCLBYTES /* Buffer size */
|
|
#define BUF1_LG_QUELEN 16 /* Entries in supply queue */
|
|
#define BUF1_LG_CPPOOL 512 /* Buffers in CP-resident pool */
|
|
#define BUF1_LG_ENTSIZE 8 /* Buffers in each supply queue entry */
|
|
|
|
#endif /* _FORE_H */
|