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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/******************************************************************************3 *4 * (C)Copyright 1998,1999 SysKonnect,5 * a business unit of Schneider & Koch & Co. Datensysteme GmbH.6 *7 * The information in this file is provided "AS IS" without warranty.8 *9 ******************************************************************************/10 11/* 12 * Operating system-dependent definitions that have to be defined13 * before any other header files are included.14 */15 16// HWM (HardWare Module) Definitions17// -----------------------18 19#include <asm/byteorder.h>20 21#ifdef __LITTLE_ENDIAN22#define LITTLE_ENDIAN23#else24#define BIG_ENDIAN25#endif26 27// this is set in the makefile28// #define PCI /* only PCI adapters supported by this driver */29// #define MEM_MAPPED_IO /* use memory mapped I/O */30 31 32#define USE_CAN_ADDR /* DA and SA in MAC header are canonical. */33 34#define MB_OUTSIDE_SMC /* SMT Mbufs outside of smc struct. */35 36// -----------------------37 38 39// SMT Definitions 40// -----------------------41#define SYNC /* allow synchronous frames */42 43// #define SBA /* Synchronous Bandwidth Allocator support */44 /* not available as free source */45 46#define ESS /* SBA End Station Support */47 48#define SMT_PANIC(smc, nr, msg) printk(KERN_INFO "SMT PANIC: code: %d, msg: %s\n",nr,msg)49 50 51#ifdef DEBUG52#define printf(s,args...) printk(KERN_INFO s, ## args)53#endif54 55// #define HW_PTR u_long56// -----------------------57 58 59 60// HWM and OS-specific buffer definitions61// -----------------------62 63// default number of receive buffers.64#define NUM_RECEIVE_BUFFERS 1065 66// default number of transmit buffers.67#define NUM_TRANSMIT_BUFFERS 1068 69// Number of SMT buffers (Mbufs).70#define NUM_SMT_BUF 471 72// Number of TXDs for asynchronous transmit queue.73#define HWM_ASYNC_TXD_COUNT (NUM_TRANSMIT_BUFFERS + NUM_SMT_BUF)74 75// Number of TXDs for synchronous transmit queue.76#define HWM_SYNC_TXD_COUNT HWM_ASYNC_TXD_COUNT77 78 79// Number of RXDs for receive queue #1.80// Note: Workaround for ASIC Errata #7: One extra RXD is required.81#if (NUM_RECEIVE_BUFFERS > 100)82#define SMT_R1_RXD_COUNT (1 + 100)83#else84#define SMT_R1_RXD_COUNT (1 + NUM_RECEIVE_BUFFERS)85#endif86 87// Number of RXDs for receive queue #2.88#define SMT_R2_RXD_COUNT 0 // Not used.89// -----------------------90 91 92 93/*94 * OS-specific part of the transmit/receive descriptor structure (TXD/RXD).95 *96 * Note: The size of these structures must follow this rule:97 *98 * sizeof(struct) + 2*sizeof(void*) == n * 16, n >= 199 *100 * We use the dma_addr fields under Linux to keep track of the101 * DMA address of the packet data, for later pci_unmap_single. -DaveM102 */103 104struct s_txd_os { // os-specific part of transmit descriptor105 struct sk_buff *skb;106 dma_addr_t dma_addr;107} ;108 109struct s_rxd_os { // os-specific part of receive descriptor110 struct sk_buff *skb;111 dma_addr_t dma_addr;112} ;113 114 115/*116 * So we do not need to make too many modifications to the generic driver117 * parts, we take advantage of the AIX byte swapping macro interface.118 */119 120#define AIX_REVERSE(x) ((u32)le32_to_cpu((u32)(x)))121#define MDR_REVERSE(x) ((u32)le32_to_cpu((u32)(x)))122