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Diffstat (limited to 'package/broadcom-57xx/src/proto/bcmudp.h')
| -rw-r--r-- | package/broadcom-57xx/src/proto/bcmudp.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/package/broadcom-57xx/src/proto/bcmudp.h b/package/broadcom-57xx/src/proto/bcmudp.h new file mode 100644 index 0000000000..782f12e219 --- /dev/null +++ b/package/broadcom-57xx/src/proto/bcmudp.h @@ -0,0 +1,48 @@ +/* + * Copyright 2007, Broadcom Corporation + * All Rights Reserved. + * + * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Broadcom Corporation; + * the contents of this file may not be disclosed to third parties, copied + * or duplicated in any form, in whole or in part, without the prior + * written permission of Broadcom Corporation. + * + * Fundamental constants relating to UDP Protocol + * + * $Id: bcmudp.h,v 1.1.1.1 2007/05/31 08:00:41 michael Exp $ + */ + +#ifndef _bcmudp_h_ +#define _bcmudp_h_ + +/* enable structure packing */ +#if defined(__GNUC__) +#define PACKED __attribute__((packed)) +#else +#pragma pack(1) +#define PACKED +#endif + +/* UDP header */ +#define UDP_DEST_PORT_OFFSET 2 /* UDP dest port offset */ +#define UDP_LEN_OFFSET 4 /* UDP length offset */ +#define UDP_CHKSUM_OFFSET 6 /* UDP body checksum offset */ + +#define UDP_HDR_LEN 8 /* UDP header length */ +#define UDP_PORT_LEN 2 /* UDP port length */ + +/* These fields are stored in network order */ +struct bcmudp_hdr +{ + uint16 src_port; /* Source Port Address */ + uint16 dst_port; /* Destination Port Address */ + uint16 len; /* Number of bytes in datagram including header */ + uint16 chksum; /* entire datagram checksum with pseudoheader */ +} PACKED; + +#undef PACKED +#if !defined(__GNUC__) +#pragma pack() +#endif + +#endif /* #ifndef _bcmudp_h_ */ |