166 __u16 inner_transport_header; 167 __u16 inner_network_header; 168 __u16 inner_mac_header; 169 170 __be16 protocol; /*协议类型*/ 171 __u16 transport_header; /*传输层头部的偏移量*/ 172 __u16 network_header; /*网络层头部的偏移量*/ 173 __u16 mac_header; /*数据链路层头部的偏...
__be16 inner_protocol;#elseunion { __be16 inner_protocol; __u8 inner_ipproto; };#endif__u16 inner_transport_header; __u16 inner_network_header; __u16 inner_mac_header; __u16 transport_header; __u16 network_header; __u16 mac_header; RH_KABI_EXTEND(kmemcheck_bitfield_begin(flags3))...
6、从一个数据包(struct sk_buff)中提取源MAC地址: int eth_header_parse(struct sk_buff *skb, u8 *haddr) EXPORT_SYMBOL(eth_header_parse); skb : 接收到的数据包; haddr : 用于存放从接收的数据包中提取的硬件地址; 1inteth_header_parse(structsk_buff *skb, u8 *haddr)2{3structethhdr *eth =...
syzbot was able to trigger this warning [1], after injecting a malicious packet through af_packet, setting skb->csum_start and thus the transport header to an incorrect value. We can at least make sure the transport header is after the end of the network header (with a estimated minim...
(套接字缓存区的大小)22atomic_t users ;//对当前的struct sk_buff结构体的引用次数;23__u32 priority ;//这个struct sk_buff结构体的优先级2425sk_buff_data_t transport_header ;//传输层头部的偏移量26sk_buff_data_t network_header ;//网络层头部的偏移量27sk_buff_data_t mac_header ;//数据...