| 一。skbuff的结构图如下 screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onclick="if(!this.resized) {return true;} else {window.open('http://www.skbuff.net/images/skbuff.png');}" onmousewheel="return imgzoom(this);" alt="" />  二.Basic functions for sk_buff skb_headroom(), skb_tailroom() Prototype / Description int skb_headroom(const struct sk_buff *skb); bytes at buffer head int skb_tailroom(const struct sk_buff *skb); bytes at buffer Image screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onclick="if(!this.resized) {return true;} else {window.open('http://www.skbuff.net/images/skb.png');}" onmousewheel="return imgzoom(this);" alt="" />  skb_reserve() Prototype void skb_reserve(struct sk_buff *skb, unsigned int len); Description adjust headroom Image screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onclick="if(!this.resized) {return true;} else {window.open('http://www.skbuff.net/images/skb_reserve.png');}" onmousewheel="return imgzoom(this);" alt="" />  skb_push() Prototype unsigned char *skb_push(struct sk_buff *skb, unsigned int len); Description add data to the start of a buffer Image screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onclick="if(!this.resized) {return true;} else {window.open('http://www.skbuff.net/images/skb_push.png');}" onmousewheel="return imgzoom(this);" alt="" />  skb_pull() Prototype unsigned char *skb_pull(struct sk_buff *skb, unsigned int len); Description remove data from the start of a buffer Image screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onclick="if(!this.resized) {return true;} else {window.open('http://www.skbuff.net/images/skb_pull.png');}" onmousewheel="return imgzoom(this);" alt="" />  skb_put() Prototype unsigned char *skb_put(struct sk_buff *skb, unsigned int len); Description add data to a buffer Image screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onclick="if(!this.resized) {return true;} else {window.open('http://www.skbuff.net/images/skb_put.png');}" onmousewheel="return imgzoom(this);" alt="" />  skb_trim() Prototype void skb_trim(struct sk_buff *skb, unsigned int len); Description remove end from a buffer Image screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onclick="if(!this.resized) {return true;} else {window.open('http://www.skbuff.net/images/skb_trim.png');}" onmousewheel="return imgzoom(this);" alt="" />  三.List of sk_buff Prototype / Description __u32 skb_queue_len(const struct sk_buff_head *list_); get queue length struct sk_buff *skb_peek(struct sk_buff_head *list); get pointer to the head element struct sk_buff *skb_peek_tail(struct sk_buff_head *list); get pointer to the tail element Image screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onclick="if(!this.resized) {return true;} else {window.open('http://www.skbuff.net/images/skb_list.png');}" onmousewheel="return imgzoom(this);" alt="" />  skb_queue_head() Prototype void skb_queue_head(struct sk_buff_head *list, struct sk_buff *newsk); Description queue a buffer at the list head Image screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onclick="if(!this.resized) {return true;} else {window.open('http://www.skbuff.net/images/skb_queue_head.png');}" onmousewheel="return imgzoom(this);" alt="" />  skb_queue_tail() Prototype void skb_queue_tail(struct sk_buff_head *list, struct sk_buff *newsk); Description queue a buffer at the list ta Image screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onclick="if(!this.resized) {return true;} else {window.open('http://www.skbuff.net/images/skb_queue_tail.png');}" onmousewheel="return imgzoom(this);" alt="" />  skb_dequeue() Prototype struct sk_buff *skb_dequeue(struct sk_buff_head *list); Description remove from the head of the queue Image screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onclick="if(!this.resized) {return true;} else {window.open('http://www.skbuff.net/images/skb_dequeue.png');}" onmousewheel="return imgzoom(this);" alt="" />  skb_dequeue_tail() Prototype struct sk_buff *skb_dequeue_tail(struct sk_buff_head *list); Description remove from the tail of the queue Image screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onclick="if(!this.resized) {return true;} else {window.open('http://www.skbuff.net/images/skb_dequeue_tail.png');}" onmousewheel="return imgzoom(this);" alt="" />  skb_insert() Prototype void skb_insert(struct sk_buff *old, struct sk_buff *newsk); Description insert a buffer Image screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onclick="if(!this.resized) {return true;} else {window.open('http://www.skbuff.net/images/skb_insert.png');}" onmousewheel="return imgzoom(this);" alt="" />  skb_append() Prototype void skb_append(struct sk_buff *old, struct sk_buff *newsk); Description append a buffer Image screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onclick="if(!this.resized) {return true;} else {window.open('http://www.skbuff.net/images/skb_append.png');}" onmousewheel="return imgzoom(this);" alt="" />  skb_unlink() Prototype void skb_unlink(struct sk_buff *skb); Description remove a buffer from a list Image screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='Click here to open new window\nCTRL Mouse wheel to zoom in/out';}" onclick="if(!this.resized) {return true;} else {window.open('http://www.skbuff.net/images/skb_unlink.png');}" onmousewheel="return imgzoom(this);" alt="" />  |
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