126 строки
3.3 KiB
C
126 строки
3.3 KiB
C
/******************************************************************************
|
|
*
|
|
* (C)Copyright 1998,1999 SysKonnect,
|
|
* a business unit of Schneider & Koch & Co. Datensysteme GmbH.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* The information in this file is provided "AS IS" without warranty.
|
|
*
|
|
******************************************************************************/
|
|
|
|
/*
|
|
* Operating system-dependent definitions that have to be defined
|
|
* before any other header files are included.
|
|
*/
|
|
|
|
// HWM (HardWare Module) Definitions
|
|
// -----------------------
|
|
|
|
#include <asm/byteorder.h>
|
|
|
|
#ifdef __LITTLE_ENDIAN
|
|
#define LITTLE_ENDIAN
|
|
#else
|
|
#define BIG_ENDIAN
|
|
#endif
|
|
|
|
// this is set in the makefile
|
|
// #define PCI /* only PCI adapters supported by this driver */
|
|
// #define MEM_MAPPED_IO /* use memory mapped I/O */
|
|
|
|
|
|
#define USE_CAN_ADDR /* DA and SA in MAC header are canonical. */
|
|
|
|
#define MB_OUTSIDE_SMC /* SMT Mbufs outside of smc struct. */
|
|
|
|
// -----------------------
|
|
|
|
|
|
// SMT Definitions
|
|
// -----------------------
|
|
#define SYNC /* allow synchronous frames */
|
|
|
|
// #define SBA /* Synchronous Bandwidth Allocator support */
|
|
/* not available as free source */
|
|
|
|
#define ESS /* SBA End Station Support */
|
|
|
|
#define SMT_PANIC(smc, nr, msg) printk(KERN_INFO "SMT PANIC: code: %d, msg: %s\n",nr,msg)
|
|
|
|
|
|
#ifdef DEBUG
|
|
#define printf(s,args...) printk(KERN_INFO s, ## args)
|
|
#endif
|
|
|
|
// #define HW_PTR u_long
|
|
// -----------------------
|
|
|
|
|
|
|
|
// HWM and OS-specific buffer definitions
|
|
// -----------------------
|
|
|
|
// default number of receive buffers.
|
|
#define NUM_RECEIVE_BUFFERS 10
|
|
|
|
// default number of transmit buffers.
|
|
#define NUM_TRANSMIT_BUFFERS 10
|
|
|
|
// Number of SMT buffers (Mbufs).
|
|
#define NUM_SMT_BUF 4
|
|
|
|
// Number of TXDs for asynchronous transmit queue.
|
|
#define HWM_ASYNC_TXD_COUNT (NUM_TRANSMIT_BUFFERS + NUM_SMT_BUF)
|
|
|
|
// Number of TXDs for synchronous transmit queue.
|
|
#define HWM_SYNC_TXD_COUNT HWM_ASYNC_TXD_COUNT
|
|
|
|
|
|
// Number of RXDs for receive queue #1.
|
|
// Note: Workaround for ASIC Errata #7: One extra RXD is required.
|
|
#if (NUM_RECEIVE_BUFFERS > 100)
|
|
#define SMT_R1_RXD_COUNT (1 + 100)
|
|
#else
|
|
#define SMT_R1_RXD_COUNT (1 + NUM_RECEIVE_BUFFERS)
|
|
#endif
|
|
|
|
// Number of RXDs for receive queue #2.
|
|
#define SMT_R2_RXD_COUNT 0 // Not used.
|
|
// -----------------------
|
|
|
|
|
|
|
|
/*
|
|
* OS-specific part of the transmit/receive descriptor structure (TXD/RXD).
|
|
*
|
|
* Note: The size of these structures must follow this rule:
|
|
*
|
|
* sizeof(struct) + 2*sizeof(void*) == n * 16, n >= 1
|
|
*
|
|
* We use the dma_addr fields under Linux to keep track of the
|
|
* DMA address of the packet data, for later pci_unmap_single. -DaveM
|
|
*/
|
|
|
|
struct s_txd_os { // os-specific part of transmit descriptor
|
|
struct sk_buff *skb;
|
|
dma_addr_t dma_addr;
|
|
} ;
|
|
|
|
struct s_rxd_os { // os-specific part of receive descriptor
|
|
struct sk_buff *skb;
|
|
dma_addr_t dma_addr;
|
|
} ;
|
|
|
|
|
|
/*
|
|
* So we do not need to make too many modifications to the generic driver
|
|
* parts, we take advantage of the AIX byte swapping macro interface.
|
|
*/
|
|
|
|
#define AIX_REVERSE(x) ((u32)le32_to_cpu((u32)(x)))
|
|
#define MDR_REVERSE(x) ((u32)le32_to_cpu((u32)(x)))
|