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