1inteth_header(structsk_buff *skb,structnet_device *dev, u16 type,void*daddr,void*saddr,intlen)2{3//将skb->data = skb->data + ETH_ALEN;4structethhdr *eth = (structethhdr*)skb_push(skb, ETH_ALEN);56if(type !=ETH_P_802_3)7eth->proto = htons(type);//htons()将本地类型转换...
inteth_header(structsk_buff*skb,structnet_device*dev,u16 type,void*daddr,void*saddr,intlen){//将skb->data = skb->data + ETH_ALEN;structethhdr*eth=(structethhdr*)skb_push(skb,ETH_ALEN);if(type!=ETH_P_802_3)eth->proto=htons(type);// htons()将本地类型转换为网络类型elseeth->proto...
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***UDP的结构*** struct udphdr { u_int16_t source; u_int16_t dest; u_int16_t len; u_int16_t check; };
u_int16_t window; u_int16_t check; u_int16_t urg_ptr; }; ***UDP的结构*** structudphdr { u_int16_t source; u_int16_t dest; u_int16_t len; u_int16_t check; };
structiphdr { #if __BYTE_ORDER == __LITTLE_ENDIAN unsigned int ihl:4; unsigned int version:4; #elif __BYTE_ORDER == __BIG_ENDIAN unsigned int version:4; unsigned int ihl:4; #else # error "Please fix <bits/endian.h>" #endif ...
#include <if_vlan.h> structvlan_ethhdr- vlanethernetheader (ethhdr +vlan_hdr) : destinationethernetaddress : sourceethernetaddress :ethernetprotocol(always 0x8100) : priority and VLAN ID : packettypeID or len Definition at line49of fileif_vlan.h....
1.创建一个以太网头结构体struct ethhdr: int eth_header(struct sk_buff *skb, struct net_device *dev, u16 type, void *daddr, void *saddr, unsigned len) EXPORT_SYMBOL(eth_header); skb : 将要去修改的struct sk_buff; dev : 原网络设备 ...
struct tcphdr { u_int16_t source; u_int16_t dest; u_int32_t seq; u_int32_t ack_seq; # if __BYTE_ORDER == __LITTLE_ENDIAN u_int16_t res1:4; u_int16_t doff:4; u_int16_t fin:1; u_int16_t syn:1; u_int16_t rst:1; ...
structiphdr { #if __BYTE_ORDER == __LITTLE_ENDIAN unsigned int ihl:4; unsigned int version:4; #elif __BYTE_ORDER == __BIG_ENDIAN unsigned int version:4; unsigned int ihl:4; #else # error "Please fix <bits/endian.h>" #endif ...