struct net_device *alloc_etherdev(int sizeof_priv);

2、新增NAPI(New API)

void netif_rx_schedule(struct net_device *dev);

void netif_rx_complete(struct net_device *dev);

int netif_rx_ni(struct sk_buff *skb);

(老版本为netif_rx())

29、 USB驱动

老版本struct usb_driver取消了，新的结构体为

struct usb_class_driver {

char *name;

struct file_operations *fops;

mode_t mode;

int minor_base;

};

int usb_submit_urb(struct urb *urb, int mem_flags);

int (*probe) (struct usb_interface *intf,

const struct usb_device_id *id);

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30、 block I/O 层

这一部分做的改动最大。不祥叙。

31、 mmap()

int remap_page_range(struct vm_area_struct *vma, unsigned long from,

unsigned long to, unsigned long size,

pgprot_t prot);

int io_remap_page_range(struct vm_area_struct *vma, unsigned long from,

unsigned long to, unsigned long size,

pgprot_t prot);

struct page *(*nopage)(struct vm_area_struct *area,

unsigned long address,

int *type);

int (*populate)(struct vm_area_struct *area, unsigned long address,

unsigned long len, pgprot_t prot, unsigned long pgoff,

int nonblock);

int install_page(struct mm_struct *mm, struct vm_area_struct *vma,

unsigned long addr, struct page *page,

pgprot_t prot);

struct page *vmalloc_to_page(void *address);

32、 零拷贝块I/O(Zero-copy block I/O)

struct bio *bio_map_user(struct block_device *bdev,

unsigned long uaddr,

unsigned int len,

int write_to_vm);

void bio_unmap_user(struct bio *bio, int write_to_vm);

int get_user_pages(struct task_struct *task,

struct mm_struct *mm,

unsigned long start,

int len,

int write,

int force,

struct page **pages,

struct vm_area_struct **vmas);

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