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/* SPDX-License-Identifier: GPL-2.0-or-later */
/******************************************************************************
*
* (C)Copyright 1998,1999 SysKonnect,
* a business unit of Schneider & Koch & Co. Datensysteme GmbH.
*
* 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)))
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