118 lines
3.5 KiB
C
118 lines
3.5 KiB
C
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#ifndef LINUX_3_4_COMPAT_H
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#define LINUX_3_4_COMPAT_H
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#include <linux/version.h>
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0))
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/* This backports:
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*
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* commit 63b2001169e75cd71e917ec953fdab572e3f944a
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* Author: Thomas Gleixner <tglx@linutronix.de>
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* Date: Thu Dec 1 00:04:00 2011 +0100
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* sched/wait: Add __wake_up_all_locked() API
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*/
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#include <linux/wait.h>
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extern void compat_wake_up_locked(wait_queue_head_t *q, unsigned int mode, int nr);
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#define wake_up_all_locked(x) compat_wake_up_locked((x), TASK_NORMAL, 0)
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/* This backports:
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*
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* commit a8203725dfded5c1f79dca3368a4a273e24b59bb
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* Author: Xi Wang <xi.wang@gmail.com>
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* Date: Mon Mar 5 15:14:41 2012 -0800
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*
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* slab: introduce kmalloc_array()
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*/
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/* SIZE_MAX is backported in compat-3.5.h so include it */
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#include <linux/compat-3.5.h>
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static inline void *kmalloc_array(size_t n, size_t size, gfp_t flags)
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{
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if (size != 0 && n > SIZE_MAX / size)
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return NULL;
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return __kmalloc(n * size, flags);
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}
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#include <linux/etherdevice.h>
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#include <linux/skbuff.h>
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
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extern const struct i2c_algorithm i2c_bit_algo;
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#endif
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extern int simple_open(struct inode *inode, struct file *file);
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28))
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#define skb_add_rx_frag(skb, i, page, off, size, truesize) \
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v2_6_28_skb_add_rx_frag(skb, i, page, off, size)
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#else
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#define skb_add_rx_frag(skb, i, page, off, size, truesize) \
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skb_add_rx_frag(skb, i, page, off, size)
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#endif
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#ifdef CONFIG_X86_X32_ABI
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#define COMPAT_USE_64BIT_TIME \
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(!!(task_pt_regs(current)->orig_ax & __X32_SYSCALL_BIT))
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#else
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#define COMPAT_USE_64BIT_TIME 0
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#endif
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,12))
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static inline void eth_hw_addr_random(struct net_device *dev)
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{
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#error eth_hw_addr_random() needs to be implemented for < 2.6.12
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}
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#else /* kernels >= 2.6.12 */
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31))
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static inline void eth_hw_addr_random(struct net_device *dev)
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{
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get_random_bytes(dev->dev_addr, ETH_ALEN);
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dev->dev_addr[0] &= 0xfe; /* clear multicast bit */
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dev->dev_addr[0] |= 0x02; /* set local assignment bit (IEEE802) */
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}
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#else /* kernels >= 2.6.31 */
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36))
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/* So this is 2.6.31..2.6.35 */
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/* Just have the flags present, they won't really mean anything though */
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#define NET_ADDR_PERM 0 /* address is permanent (default) */
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#define NET_ADDR_RANDOM 1 /* address is generated randomly */
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#define NET_ADDR_STOLEN 2 /* address is stolen from other device */
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static inline void eth_hw_addr_random(struct net_device *dev)
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{
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random_ether_addr(dev->dev_addr);
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}
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#else /* 2.6.36 and on */
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static inline void eth_hw_addr_random(struct net_device *dev)
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{
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dev_hw_addr_random(dev, dev->dev_addr);
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}
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#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31)) */
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#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31)) */
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#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,12)) */
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/* source include/linux/pci.h */
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/**
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* module_pci_driver() - Helper macro for registering a PCI driver
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* @__pci_driver: pci_driver struct
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*
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* Helper macro for PCI drivers which do not do anything special in module
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* init/exit. This eliminates a lot of boilerplate. Each module may only
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* use this macro once, and calling it replaces module_init() and module_exit()
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*/
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#define module_pci_driver(__pci_driver) \
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module_driver(__pci_driver, pci_register_driver, \
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pci_unregister_driver)
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#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0)) */
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#endif /* LINUX_5_4_COMPAT_H */
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