WebOct 22, 2024 · 7、在struct ethhdr中MAC地址为6个字节,并不是我们常见的MAC字符串地址,那么如果将6字节的MAC地址转化为我们常见的MAC字符串地址,使用下面这个函数: WebApr 13, 2024 · Ethernet 헤더의 소스 및 대상 주소를 변경하는 방법은 memcpy 함수를 사용하여 수행됩니다. ethhdr 구조체를 포인터로 캐스팅하여 헤더의 필드에 액세스 할 수 있습니다. 이 코드는 Linux에서 컴파일하고 실행해야합니다. 좋아요 공감. 공유하기. 저작자표시. eth0 에서 ...
ethhdr结构体详解-xiao_yan123-ChinaUnix博客
WebJan 31, 2007 · tcp/ip协议相关数据结构. 一、 以太头 struct ethhdr { unsigned char h_dest [ETH_ALEN]; //目的mac地址 unsigned char h_source [ETH_ALEN]; //源mac地址 __be16 … WebApr 2, 2024 · 这意味着,如果你定义类、函数或全局变量,则必须在使用它的每个附加 .cpp 文件中提供对它的声明。. 在所有文件中,对它的每个声明必须完全相同。. 当链接器尝试将所有编译单元合并成单个程序时,出现轻微的不一致会导致错误或意外行为。. 为了最大程度 ... how far away is the nearest star system
network programming - Build vlan header in c - Stack Overflow
WebApr 3, 2024 · Here is code excerpt: void print_ethernet_header(unsigned char* buffer) { struct ethhdr *eth = (struct ethhdr *)buffer; fprintf(log... Stack Exchange Network Stack Exchange network consists of 181 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build … WebApr 1, 2024 · Learn how to write an XDP program on RHEL 8.3 for counting dropped packets, which involves adding a BPF map, and writing a custom loader. WebIt defaults to the socket's protocol. * sll_ifindex is the interface index of the interface (see netdevice (7) ); 0 matches any interface (only permitted for binding). sll_hatype is an ARP type as defined in the include file. * sll_pkttype contains the packet type. Valid types are PACKET_HOST for a packet addressed to the local ... how far away is the next nearest star