83 lines
2.8 KiB
C
83 lines
2.8 KiB
C
/*
|
|
* Copyright (c) 1988 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.
|
|
*
|
|
* @(#)if_llc.h 7.2 (Berkeley) 6/28/90
|
|
*/
|
|
|
|
/*
|
|
* 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 shortcommings in many
|
|
* compilers.
|
|
*/
|
|
|
|
struct llc {
|
|
u_char llc_dsap;
|
|
u_char llc_ssap;
|
|
union {
|
|
struct {
|
|
u_char control;
|
|
u_char format_id;
|
|
u_char class;
|
|
u_char window_x2;
|
|
} type_u;
|
|
struct {
|
|
u_char num_snd_x2;
|
|
u_char num_rcv_x2;
|
|
} type_i;
|
|
struct {
|
|
u_char control;
|
|
u_char num_rcv_x2;
|
|
} type_s;
|
|
struct {
|
|
u_char control;
|
|
u_char org_code[3];
|
|
u_short ether_type;
|
|
} type_snap;
|
|
} llc_un;
|
|
};
|
|
#define llc_control llc_un.type_u.control
|
|
#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_UI 0x3
|
|
#define LLC_UI_P 0x13
|
|
#define LLC_XID 0xaf
|
|
#define LLC_XID_P 0xbf
|
|
#define LLC_TEST 0xe3
|
|
#define LLC_TEST_P 0xf3
|
|
|
|
#define LLC_ISO_LSAP 0xfe
|
|
#define LLC_SNAP_LSAP 0xaa
|