1/*2* These are the defined Ethernet Protocol ID's.3*/45#defineETH_P_LOOP 0x0060 /* Ethernet Loopback packet */6#defineETH_P_PUP 0x0200 /* Xerox PUP packet */7#defineETH_P_PUPAT 0x0201 /* Xerox PUP Addr Trans packet */8#defineETH_P_TSN 0x22F0 /* TSN (IEEE 1722) packet ...
u_int8_t tcpi_probes; u_int8_t tcpi_backoff; u_int8_t tcpi_options; u_int8_t tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4; u_int32_t tcpi_rto; u_int32_t tcpi_ato; u_int32_t tcpi_snd_mss; u_int32_t tcpi_rcv_mss; u_int32_t tcpi_unacked; u_int32_t tcpi_...
8. const struct tcphdr *th = tcp_hdr(skb); 9. int length = (th->doff * 4) - sizeof(struct tcphdr); /* 选项的总长度 */ 10. ptr = (const unsigned char *) (th + 1); /* 选项的起始地址 */ 11. opt_rx->saw_tstamp = 0; /* Saw TIMESTAMP on last packet */ 12. whil...
3. 对于 mode l3 或者单播的 mode l2 报文,进入 ipvlan_handle_mode_l3 处理流程,首先通过 ipvlan_get_L3_hdr 获取到网络层的头信息,然后根据 ip 地址去查找到对应的子设备,最后调用 ipvlan_rcv_frame,将报文的 dev 设置为 IPVlan 子设备并返回 RX_HANDLER_ANOTHER,进行下一次收包。 4. 对于 mode l3s...
hdr_len;//writable header length of cloned skbunsignedinttruesize;//socket buffer(套接字缓存区的大小)atomic_t users;//对当前的struct sk_buff结构体的引用次数;__u32 priority;//这个struct sk_buff结构体的优先级sk_buff_data_t transport_header;//传输层头部的偏移量sk_buff_data_t network_...
pppoe_hdr { ifdef CFG_LITTLEENDIAN u_int8_t ver :4; u_int8_t type : 4; # u_int8_t type: 4; u_int8_t ver 4; # u_int8_t code u_int16_t sid; _int16_ length; structpppoe_tag tag; }; #endif typedefstruct _mac_t { u_int_ mact_octet6]; } ...
我是Python的新手。我的职业是C程序员。我有一个文件,它的头有一些特定的数据,我需要提取它。例如,字节0-5有魔术,字节6-8有偏移量等。在C中(一个例子): int32_t payload_offset, char *magic, } file_hdr; file_hdr 浏览0提问于2010-01-18得票数6 ...
struct sk_buff *nfct_reasm; #endif #ifdef CONFIG_BRIDGE_NETFILTER struct nf_bridge_info *nf_bridge; #endif __u32 nfmark; #endif /* CONFIG_NETFILTER */ 这些变量被netfilter使用(防火墙代码),内核编译选项是“Device Drivers->Networking support-> Networking options-> Network packet filtering”和两...
maxdelayAVPacketAVPacket定义在avcodec 如下typedefstructAVPacket AVStream 基time base单位介绍时间戳的时间 解压缩包将被提交给用户。 可AV NOPTS VALUE如果没有存储在文件中。 分必须大于或等于DTS作为演示不能发生之前
} public class Packet { public Header Header; public byte[] VariableLengthData; } Now it becomes simple. You can marshal the header in one fell swoop and just copy whatever extra bytes are present: static unsafe Packet FromArray(byte[] data) { var hdrsize = Marshal.SizeOf(typeof(Header...