[GitHub/LineageOS/G12/android_hardware_amlogic_kernel-modules_dhd-driver.git] / bcmdhd.100.10.315.x / include / bcmudp.h

/*
 * Fundamental constants relating to UDP Protocol
 *
 * Copyright (C) 1999-2019, Broadcom.
 *
 *      Unless you and Broadcom execute a separate written software license
 * agreement governing use of this software, this software is licensed to you
 * under the terms of the GNU General Public License version 2 (the "GPL"),
 * available at http://www.broadcom.com/licenses/GPLv2.php, with the
 * following added to such license:
 *
 *      As a special exception, the copyright holders of this software give you
 * permission to link this software with independent modules, and to copy and
 * distribute the resulting executable under terms of your choice, provided that
 * you also meet, for each linked independent module, the terms and conditions of
 * the license of that module.  An independent module is a module which is not
 * derived from this software.  The special exception does not apply to any
 * modifications of the software.
 *
 *      Notwithstanding the above, under no circumstances may you combine this
 * software in any way with any other Broadcom software provided under a license
 * other than the GPL, without Broadcom's express prior written consent.
 *
 *
 * <<Broadcom-WL-IPTag/Open:>>
 *
 * $Id: bcmudp.h 700076 2017-05-17 14:42:22Z $
 */

#ifndef _bcmudp_h_
#define _bcmudp_h_

#ifndef _TYPEDEFS_H_
#include <typedefs.h>
#endif // endif

/* This marks the start of a packed structure section. */
#include <packed_section_start.h>

/* 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 */
BWL_PRE_PACKED_STRUCT 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 */
} BWL_POST_PACKED_STRUCT;

/* This marks the end of a packed structure section. */
#include <packed_section_end.h>

#endif	/* #ifndef _bcmudp_h_ */
Commit	Line	Data
d2839953 RC	1	/*
	2	* Fundamental constants relating to UDP Protocol
	3	*
965f77c4	4	* Copyright (C) 1999-2019, Broadcom.
d2839953 RC	5	*
	6	* Unless you and Broadcom execute a separate written software license
	7	* agreement governing use of this software, this software is licensed to you
	8	* under the terms of the GNU General Public License version 2 (the "GPL"),
	9	* available at http://www.broadcom.com/licenses/GPLv2.php, with the
	10	* following added to such license:
	11	*
	12	* As a special exception, the copyright holders of this software give you
	13	* permission to link this software with independent modules, and to copy and
	14	* distribute the resulting executable under terms of your choice, provided that
	15	* you also meet, for each linked independent module, the terms and conditions of
	16	* the license of that module. An independent module is a module which is not
	17	* derived from this software. The special exception does not apply to any
	18	* modifications of the software.
	19	*
	20	* Notwithstanding the above, under no circumstances may you combine this
	21	* software in any way with any other Broadcom software provided under a license
	22	* other than the GPL, without Broadcom's express prior written consent.
	23	*
	24	*
	25	* <<Broadcom-WL-IPTag/Open:>>
	26	*
	27	* $Id: bcmudp.h 700076 2017-05-17 14:42:22Z $
	28	*/
	29
	30	#ifndef _bcmudp_h_
	31	#define _bcmudp_h_
	32
	33	#ifndef _TYPEDEFS_H_
	34	#include <typedefs.h>
	35	#endif // endif
	36
	37	/* This marks the start of a packed structure section. */
	38	#include <packed_section_start.h>
	39
	40	/* UDP header */
	41	#define UDP_DEST_PORT_OFFSET 2 /* UDP dest port offset */
	42	#define UDP_LEN_OFFSET 4 /* UDP length offset */
	43	#define UDP_CHKSUM_OFFSET 6 /* UDP body checksum offset */
	44
	45	#define UDP_HDR_LEN 8 /* UDP header length */
	46	#define UDP_PORT_LEN 2 /* UDP port length */
	47
	48	/* These fields are stored in network order */
	49	BWL_PRE_PACKED_STRUCT struct bcmudp_hdr
	50	{
	51	uint16 src_port; /* Source Port Address */
	52	uint16 dst_port; /* Destination Port Address */
	53	uint16 len; /* Number of bytes in datagram including header */
	54	uint16 chksum; /* entire datagram checksum with pseudoheader */
	55	} BWL_POST_PACKED_STRUCT;
	56
	57	/* This marks the end of a packed structure section. */
	58	#include <packed_section_end.h>
	59
	60	#endif /* #ifndef _bcmudp_h_ */