2874c5fd28
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
122 lines
3.1 KiB
C
122 lines
3.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/******************************************************************************
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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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* 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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