struct ethhdr { unsigned char h_dest[ETH_ALEN]; unsigned char h_source[ETH_ALEN]; __be16 h_proto; } __attribute__((packed)); struct ether_header { u_int8_t ether_dhost[ETH_ALEN]; // destination eth addr u_int8_t
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...
1、网络包几种格式structethhdr、 ether_header、 iphdr 、tcphdr、udphdr*eth的结构*struct ethhdr unsigned char h_destETH_ALEN;unsigned char h_sourceETH_ALEN;_be16 h_proto; _attribute_(packed);struct ether_headeru_int8_t ether_dhostETH_ALEN;/ destination ethaddru_int8_t ether_shostETH_ALE...
int (*stats_get)(uint16_t port_id, struct rte_eth_stats *stats):用于获取虚拟网卡的收发统计信息。 void (*free_pkt)(struct rte_mbuf *pkt):用于释放由KNI接收的数据包缓冲区。 int (*start)(void *knih):用于启动KNI实例并建立与内核态的通信管道。
.ndo_set_mac_address = eth_mac_addr, #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = veth_poll_controller, #endif .ndo_get_iflink = veth_get_iflink, .ndo_fix_features = veth_fix_features, .ndo_set_features = veth_set_features, ...
local10.143.x.y dev eth0 proto kernel scope host src 10.143.x.y local127.0.0.1 dev lo proto kernel scope host src 127.0.0.1 1.2 接收数据时选路 没错,接收数据包的时候也需要进行路由选择。这是因为 Linux 可能会像路由器一样工作,将收到的数据包通过合适的网卡将其转发出去。
您只是告诉编译器使用另一副眼镜查看比特，从而进行相应的解释。编译器突然发现buffer已经成为一个struct ...
struct sockaddr *ifu_dstaddr; /* Point-to-point destination address */ } ifa_ifu; #define ifa_broadaddr ifa_ifu.ifu_broadaddr #define ifa_dstaddr ifa_ifu.ifu_dstaddr void *ifa_data; /* Address-specific data */ }; 2,关于getifaddrs() ...
方法2: 很简单的,只是在./etc/sysconfig/network-scripts/ifcfg-eth0中加入下面一句话: MACADDR=00:AA:BB:CC:DD:EE 方法3: Linux 下如何更改网卡MAC地址 --- 简单的办法是在/etc/rc.d/rc.sysinit文件中加入那些命令: ifconfig eth0 down ifconfig eth0 hw ether xx:xx:xx:xx...