lmc_ver.h
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上传日期:2013-04-10
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- #ifndef _IF_LMC_LINUXVER_
- #define _IF_LMC_LINUXVER_
- /*
- * Copyright (c) 1997-2000 LAN Media Corporation (LMC)
- * All rights reserved. www.lanmedia.com
- *
- * This code is written by:
- * Andrew Stanley-Jones (asj@cban.com)
- * Rob Braun (bbraun@vix.com),
- * Michael Graff (explorer@vix.com) and
- * Matt Thomas (matt@3am-software.com).
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License version 2, incorporated herein by reference.
- */
- /*
- * This file defines and controls all linux version
- * differences.
- *
- * This is being done to keep 1 central location where all linux
- * version differences can be kept and maintained. as this code was
- * found version issues where pepered throughout the source code and
- * made the souce code not only hard to read but version problems hard
- * to track down. If I'm overiding a function/etc with something in
- * this file it will be prefixed by "LMC_" which will mean look
- * here for the version dependant change that's been done.
- *
- */
- #if LINUX_VERSION_CODE < 0x20363
- #define net_device device
- #endif
- #if LINUX_VERSION_CODE < 0x20363
- #define LMC_XMITTER_BUSY(x) (x)->tbusy = 1
- #define LMC_XMITTER_FREE(x) (x)->tbusy = 0
- #define LMC_XMITTER_INIT(x) (x)->tbusy = 0
- #else
- #define LMC_XMITTER_BUSY(x) netif_stop_queue(x)
- #define LMC_XMITTER_FREE(x) netif_wake_queue(x)
- #define LMC_XMITTER_INIT(x) netif_start_queue(x)
- #endif
- #if LINUX_VERSION_CODE < 0x20100
- //typedef unsigned int u_int32_t;
- #define LMC_SETUP_20_DEV {
- int indx;
- for (indx = 0; indx < DEV_NUMBUFFS; indx++)
- skb_queue_head_init (&dev->buffs[indx]);
- }
- dev->family = AF_INET;
- dev->pa_addr = 0;
- dev->pa_brdaddr = 0;
- dev->pa_mask = 0xFCFFFFFF;
- dev->pa_alen = 4; /* IP addr. sizeof(u32) */
- #else
- #define LMC_SETUP_20_DEV
- #endif
- #if LINUX_VERSION_CODE < 0x20155 /* basically 2.2 plus */
- #define LMC_DEV_KFREE_SKB(skb) dev_kfree_skb((skb), FREE_WRITE)
- #define LMC_PCI_PRESENT() pcibios_present()
- #else /* Mostly 2.0 kernels */
- #define LMC_DEV_KFREE_SKB(skb) dev_kfree_skb(skb)
- #define LMC_PCI_PRESENT() pci_present()
- #endif
- #if LINUX_VERSION_CODE < 0x20200
- #else
- #endif
- #if LINUX_VERSION_CODE < 0x20100
- #define LMC_SKB_FREE(skb, val) (skb->free = val)
- #else
- #define LMC_SKB_FREE(skb, val)
- #endif
- #if (LINUX_VERSION_CODE >= 0x20200)
- #define LMC_SPIN_FLAGS unsigned long flags;
- #define LMC_SPIN_LOCK_INIT(x) spin_lock_init(&(x)->lmc_lock);
- #define LMC_SPIN_UNLOCK(x) ((x)->lmc_lock = SPIN_LOCK_UNLOCKED)
- #define LMC_SPIN_LOCK_IRQSAVE(x) spin_lock_irqsave (&(x)->lmc_lock, flags);
- #define LMC_SPIN_UNLOCK_IRQRESTORE(x) spin_unlock_irqrestore (&(x)->lmc_lock, flags);
- #else
- #define LMC_SPIN_FLAGS
- #define LMC_SPIN_LOCK_INIT(x)
- #define LMC_SPIN_UNLOCK(x)
- #define LMC_SPIN_LOCK_IRQSAVE(x)
- #define LMC_SPIN_UNLOCK_IRQRESTORE(x)
- #endif
- #if LINUX_VERSION_CODE >= 0x20100
- #define LMC_COPY_FROM_USER(x, y, z) if(copy_from_user ((x), (y), (z))) return -EFAULT
- #define LMC_COPY_TO_USER(x, y, z) if(copy_to_user ((x), (y), (z))) return -EFAULT
- #else
- #define LMC_COPY_FROM_USER(x, y, z) if(verify_area(VERIFY_READ, (y), (z)))
- return -EFAULT;
- memcpy_fromfs ((x), (y), (z))
- #define LMC_COPY_TO_USER(x, y, z) if(verify_area(VERIFY_WRITE, (x), (z)))
- return -EFAULT;
- memcpy_tofs ((x), (y), (z))
- #endif
- #endif