drivers/qtn/include/kernel/net80211/if_llc.h - kernel/quantenna - Git at Google

 /*-
  * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer,
  *    without modification.
  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
  *    redistribution must be conditioned upon including a substantially
  *    similar Disclaimer requirement for further binary redistribution.
  * 3. Neither the names of the above-listed copyright holders nor the names
  *    of any contributors may be used to endorse or promote products derived
  *    from this software without specific prior written permission.
  *
  * Alternatively, this software may be distributed under the terms of the
  * GNU General Public License ("GPL") version 2 as published by the Free
  * Software Foundation.
  *
  * NO WARRANTY
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  * THE POSSIBILITY OF SUCH DAMAGES.
  *
  * $Id: if_llc.h 2028 2007-01-30 03:51:52Z proski $
  */

 /*
  * Copyright (c) 1988, 1993
  *	The Regents of the University of California.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. All advertising materials mentioning features or use of this software
  *    must display the following acknowledgement:
  *	This product includes software developed by the University of
  *	California, Berkeley and its contributors.
  * 4. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */

 #ifndef _NET_IF_LLC_H_
 #define _NET_IF_LLC_H_

 #include <compat.h>
 #include "if_ethersubr.h"

 /*
  * IEEE 802.2 Link Level Control headers, for use in conjunction with
  * 802.{3,4,5} media access control methods.
  *
  * Headers here do not use bit fields due to shortcomings in many
  * compilers.
  */

 struct llc {
 	u_int8_t llc_dsap;
 	u_int8_t llc_ssap;
 	union {
 	    struct {
 		u_int8_t control;
 		u_int8_t format_id;
 		u_int8_t class;
 		u_int8_t window_x2;
 	    } __packed type_u;
 	    struct {
 		u_int8_t num_snd_x2;
 		u_int8_t num_rcv_x2;
 	    } __packed type_i;
 	    struct {
 		u_int8_t control;
 		u_int8_t num_rcv_x2;
 	    } __packed type_s;
 	    struct {
 	        u_int8_t control;
 		/*
 		 * We cannot put the following fields in a structure because
 		 * the structure rounding might cause padding.
 		 */
 		u_int8_t frmr_rej_pdu0;
 		u_int8_t frmr_rej_pdu1;
 		u_int8_t frmr_control;
 		u_int8_t frmr_control_ext;
 		u_int8_t frmr_cause;
 	    } __packed type_frmr;
 	    struct {
 		u_int8_t control;
 		u_int8_t org_code[3];
 		__be16 ether_type;
 	    } __packed type_snap;
 	    struct {
 		u_int8_t control;
 		u_int8_t control_ext;
 	    } __packed type_raw;
 	} llc_un /* XXX __packed ??? */;
 } __packed;

 struct frmrinfo {
 	u_int8_t frmr_rej_pdu0;
 	u_int8_t frmr_rej_pdu1;
 	u_int8_t frmr_control;
 	u_int8_t frmr_control_ext;
 	u_int8_t frmr_cause;
 } __packed;

 #define QTN_OUIE_TYPE_TRAINING		0x1
 #define QTN_OUIE_TYPE_QEVENT		0x2
 #define QTN_OUIE_WIFI_CONTROL_MIN	0x40
 #define QTN_OUIE_WIFI_CONTROL_MAX	0x48

 struct oui_extended_ethertype {
 	uint8_t	oui[3];
 	__be16	type;
 } __attribute__((packed));

 struct qtn_dummy_frame {
 	struct ether_header		eh;
 	struct llc			llc;
 	struct oui_extended_ethertype	ouie;
 } __attribute__((packed));

 #define	llc_control		llc_un.type_u.control
 #define	llc_control_ext		llc_un.type_raw.control_ext
 #define	llc_fid			llc_un.type_u.format_id
 #define	llc_class		llc_un.type_u.class
 #define	llc_window		llc_un.type_u.window_x2
 #define	llc_frmrinfo 		llc_un.type_frmr.frmr_rej_pdu0
 #define	llc_frmr_pdu0		llc_un.type_frmr.frmr_rej_pdu0
 #define	llc_frmr_pdu1		llc_un.type_frmr.frmr_rej_pdu1
 #define	llc_frmr_control	llc_un.type_frmr.frmr_control
 #define	llc_frmr_control_ext	llc_un.type_frmr.frmr_control_ext
 #define	llc_frmr_cause		llc_un.type_frmr.frmr_cause
 #define	llc_snap		llc_un.type_snap

 /*
  * Don't use sizeof(struct llc_un) for LLC header sizes
  */
 #define LLC_ISFRAMELEN 4
 #define LLC_UFRAMELEN  3
 #define LLC_FRMRLEN    7
 #define LLC_SNAPFRAMELEN 8

 /*
  * Unnumbered LLC format commands
  */
 #define LLC_UI		0x3
 #define LLC_UI_P	0x13
 #define LLC_DISC	0x43
 #define	LLC_DISC_P	0x53
 #define LLC_UA		0x63
 #define LLC_UA_P	0x73
 #define LLC_TEST	0xe3
 #define LLC_TEST_P	0xf3
 #define LLC_FRMR	0x87
 #define	LLC_FRMR_P	0x97
 #define LLC_DM		0x0f
 #define	LLC_DM_P	0x1f
 #define LLC_XID		0xaf
 #define LLC_XID_P	0xbf
 #define LLC_SABME	0x6f
 #define LLC_SABME_P	0x7f

 /*
  * Supervisory LLC commands
  */
 #define	LLC_RR		0x01
 #define	LLC_RNR		0x05
 #define	LLC_REJ		0x09

 /*
  * Info format - dummy only
  */
 #define	LLC_INFO	0x00

 /*
  * ISO PDTR 10178 contains among others
  */
 #define LLC_X25_LSAP	0x7e
 #define LLC_SNAP_LSAP	0xaa
 #define LLC_ISO_LSAP	0xfe

 #endif /* _NET_IF_LLC_H_ */
	/*-
	* Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
	* All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer,
	* without modification.
	* 2. Redistributions in binary form must reproduce at minimum a disclaimer
	* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
	* redistribution must be conditioned upon including a substantially
	* similar Disclaimer requirement for further binary redistribution.
	* 3. Neither the names of the above-listed copyright holders nor the names
	* of any contributors may be used to endorse or promote products derived
	* from this software without specific prior written permission.
	*
	* Alternatively, this software may be distributed under the terms of the
	* GNU General Public License ("GPL") version 2 as published by the Free
	* Software Foundation.
	*
	* NO WARRANTY
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
	* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
	* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
	* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
	* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	* THE POSSIBILITY OF SUCH DAMAGES.
	*
	* $Id: if_llc.h 2028 2007-01-30 03:51:52Z proski $
	*/

	/*
	* Copyright (c) 1988, 1993
	* The Regents of the University of California. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	* 3. All advertising materials mentioning features or use of this software
	* must display the following acknowledgement:
	* This product includes software developed by the University of
	* California, Berkeley and its contributors.
	* 4. Neither the name of the University nor the names of its contributors
	* may be used to endorse or promote products derived from this software
	* without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	* SUCH DAMAGE.
	*/

	#ifndef _NET_IF_LLC_H_
	#define _NET_IF_LLC_H_

	#include <compat.h>
	#include "if_ethersubr.h"

	/*
	* IEEE 802.2 Link Level Control headers, for use in conjunction with
	* 802.{3,4,5} media access control methods.
	*
	* Headers here do not use bit fields due to shortcomings in many
	* compilers.
	*/

	struct llc {
	u_int8_t llc_dsap;
	u_int8_t llc_ssap;
	union {
	struct {
	u_int8_t control;
	u_int8_t format_id;
	u_int8_t class;
	u_int8_t window_x2;
	} __packed type_u;
	struct {
	u_int8_t num_snd_x2;
	u_int8_t num_rcv_x2;
	} __packed type_i;
	struct {
	u_int8_t control;
	u_int8_t num_rcv_x2;
	} __packed type_s;
	struct {
	u_int8_t control;
	/*
	* We cannot put the following fields in a structure because
	* the structure rounding might cause padding.
	*/
	u_int8_t frmr_rej_pdu0;
	u_int8_t frmr_rej_pdu1;
	u_int8_t frmr_control;
	u_int8_t frmr_control_ext;
	u_int8_t frmr_cause;
	} __packed type_frmr;
	struct {
	u_int8_t control;
	u_int8_t org_code[3];
	__be16 ether_type;
	} __packed type_snap;
	struct {
	u_int8_t control;
	u_int8_t control_ext;
	} __packed type_raw;
	} llc_un /* XXX __packed ??? */;
	} __packed;

	struct frmrinfo {
	u_int8_t frmr_rej_pdu0;
	u_int8_t frmr_rej_pdu1;
	u_int8_t frmr_control;
	u_int8_t frmr_control_ext;
	u_int8_t frmr_cause;
	} __packed;

	#define QTN_OUIE_TYPE_TRAINING 0x1
	#define QTN_OUIE_TYPE_QEVENT 0x2
	#define QTN_OUIE_WIFI_CONTROL_MIN 0x40
	#define QTN_OUIE_WIFI_CONTROL_MAX 0x48

	struct oui_extended_ethertype {
	uint8_t oui[3];
	__be16 type;
	} __attribute__((packed));

	struct qtn_dummy_frame {
	struct ether_header eh;
	struct llc llc;
	struct oui_extended_ethertype ouie;
	} __attribute__((packed));

	#define llc_control llc_un.type_u.control
	#define llc_control_ext llc_un.type_raw.control_ext
	#define llc_fid llc_un.type_u.format_id
	#define llc_class llc_un.type_u.class
	#define llc_window llc_un.type_u.window_x2
	#define llc_frmrinfo llc_un.type_frmr.frmr_rej_pdu0
	#define llc_frmr_pdu0 llc_un.type_frmr.frmr_rej_pdu0
	#define llc_frmr_pdu1 llc_un.type_frmr.frmr_rej_pdu1
	#define llc_frmr_control llc_un.type_frmr.frmr_control
	#define llc_frmr_control_ext llc_un.type_frmr.frmr_control_ext
	#define llc_frmr_cause llc_un.type_frmr.frmr_cause
	#define llc_snap llc_un.type_snap

	/*
	* Don't use sizeof(struct llc_un) for LLC header sizes
	*/
	#define LLC_ISFRAMELEN 4
	#define LLC_UFRAMELEN 3
	#define LLC_FRMRLEN 7
	#define LLC_SNAPFRAMELEN 8

	/*
	* Unnumbered LLC format commands
	*/
	#define LLC_UI 0x3
	#define LLC_UI_P 0x13
	#define LLC_DISC 0x43
	#define LLC_DISC_P 0x53
	#define LLC_UA 0x63
	#define LLC_UA_P 0x73
	#define LLC_TEST 0xe3
	#define LLC_TEST_P 0xf3
	#define LLC_FRMR 0x87
	#define LLC_FRMR_P 0x97
	#define LLC_DM 0x0f
	#define LLC_DM_P 0x1f
	#define LLC_XID 0xaf
	#define LLC_XID_P 0xbf
	#define LLC_SABME 0x6f
	#define LLC_SABME_P 0x7f

	/*
	* Supervisory LLC commands
	*/
	#define LLC_RR 0x01
	#define LLC_RNR 0x05
	#define LLC_REJ 0x09

	/*
	* Info format - dummy only
	*/
	#define LLC_INFO 0x00

	/*
	* ISO PDTR 10178 contains among others
	*/
	#define LLC_X25_LSAP 0x7e
	#define LLC_SNAP_LSAP 0xaa
	#define LLC_ISO_LSAP 0xfe

	#endif /* _NET_IF_LLC_H_ */