/* * Copyright 2007, Broadcom Corporation * All Rights Reserved. * * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. * * Fundamental constants relating to TCP Protocol * * $Id$ */ #ifndef _bcmtcp_h_ #define _bcmtcp_h_ /* enable structure packing */ #if defined(__GNUC__) #define PACKED __attribute__((packed)) #else #pragma pack(1) #define PACKED #endif #define TCP_SRC_PORT_OFFSET 0 /* TCP source port offset */ #define TCP_DEST_PORT_OFFSET 2 /* TCP dest port offset */ #define TCP_CHKSUM_OFFSET 16 /* TCP body checksum offset */ /* These fields are stored in network order */ struct bcmtcp_hdr { uint16 src_port; /* Source Port Address */ uint16 dst_port; /* Destination Port Address */ uint32 seq_num; /* TCP Sequence Number */ uint32 ack_num; /* TCP Sequence Number */ uint16 hdrlen_rsvd_flags; /* Header length, reserved bits and flags */ uint16 tcpwin; /* TCP window */ uint16 chksum; /* Segment checksum with pseudoheader */ uint16 urg_ptr; /* Points to seq-num of byte following urg data */ } PACKED; #undef PACKED #if !defined(__GNUC__) #pragma pack() #endif /* Byte offset of flags in TCP header */ #define TCP_FLAGS_OFFSET 13 #define TCP_FLAGS_FIN 0x01 #define TCP_FLAGS_SYN 0x02 #define TCP_FLAGS_RST 0x03 #define TCP_FLAGS_PSH 0x04 #define TCP_FLAGS_ACK 0x10 #define TCP_FLAGS_URG 0x20 #define TCP_FLAGS_ECN 0x40 #define TCP_FLAGS_CWR 0x80 #define TCP_FLAGS(tcp_hdr) (((uint8 *)(tcp_hdr))[TCP_FLAGS_OFFSET]) #define TCP_IS_ACK(tcp_hdr) (TCP_FLAGS(tcp_hdr) & TCP_FLAGS_ACK) #define TCP_SRC_PORT(tcp_hdr) (ntoh16(((struct bcmtcp_hdr*)(tcp_hdr))->src_port)) #define TCP_DST_PORT(tcp_hdr) (ntoh16(((struct bcmtcp_hdr*)(tcp_hdr))->dst_port)) #define TCP_SEQ_NUM(tcp_hdr) (ntoh32(((struct bcmtcp_hdr*)(tcp_hdr))->seq_num)) #define TCP_ACK_NUM(tcp_hdr) (ntoh32(((struct bcmtcp_hdr*)(tcp_hdr))->ack_num)) #endif /* #ifndef _bcmtcp_h_ */ nk/socket.h?id=66eee3b1a21ecef79db9506d71c786c1990a2f7d'>treecommitdiffstats
path: root/package/libnl-tiny/src/include/netlink/socket.h
blob: 9f7f4220aa5cd5f222fb52f3af449306e67988ed (plain) 
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