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/******************************************************************************
*
* ( 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
// -----------------------
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# include <asm/byteorder.h>
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# 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)))
