/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000,2009 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
- *
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* Copyright (c) 1988, 1993
* 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
+ * 3. 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.
*
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * @(#)if_llc.h 8.1 (Berkeley) 6/10/93
+ * @(#)if_llc.h 8.1 (Berkeley) 6/10/93
*/
#ifndef _NET_IF_LLC_H_
*/
struct llc {
- u_char llc_dsap;
- u_char llc_ssap;
+ u_int8_t llc_dsap;
+ u_int8_t 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;
- struct frmrinfo {
- u_char rej_pdu_0;
- u_char rej_pdu_1;
- u_char frmr_control;
- u_char frmr_control_ext;
- u_char frmr_cause;
- } frmrinfo;
- } type_frmr;
- struct {
- u_char control;
- u_char org_code[3];
- u_short ether_type;
- } type_snap;
- struct {
- u_char control;
- u_char control_ext;
- } type_raw;
+ struct {
+ u_int8_t control;
+ u_int8_t format_id;
+ u_int8_t class_id;
+ u_int8_t window_x2;
+ } type_u;
+ struct {
+ u_int8_t num_snd_x2;
+ u_int8_t num_rcv_x2;
+ } type_i;
+ struct {
+ u_int8_t control;
+ u_int8_t num_rcv_x2;
+ } 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;
+ } type_frmr;
+ struct {
+ u_int8_t control;
+ u_int8_t org_code[3];
+ u_int16_t ether_type;
+ } type_snap __attribute__((__packed__));
+ struct {
+ u_int8_t control;
+ u_int8_t control_ext;
+ } type_raw;
} llc_un;
-};
-#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.frmrinfo
-#define llc_frmr_pdu0 llc_un.type_frmr.frmrinfo.rej_pdu0
-#define llc_frmr_pdu1 llc_un.type_frmr.frmrinfo.rej_pdu1
-#define llc_frmr_control llc_un.type_frmr.frmrinfo.frmr_control
-#define llc_frmr_control_ext llc_un.type_frmr.frmrinfo.frmr_control_ext
-#define llc_frmr_cause llc_un.type_frmr.frmrinfo.frmr_control_ext
+} __attribute__((__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;
+} __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
+#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
+#define LLC_RR 0x01
+#define LLC_RNR 0x05
+#define LLC_REJ 0x09
/*
* Info format - dummy only
*/
-#define LLC_INFO 0x00
+#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
+#define LLC_8021D_LSAP 0x42
+#define LLC_X25_LSAP 0x7e
+#define LLC_SNAP_LSAP 0xaa
+#define LLC_ISO_LSAP 0xfe
+
+/*
+ * LLC XID definitions from 802.2, as needed
+ */
+
+#define LLC_XID_FORMAT_BASIC 0x81
+#define LLC_XID_BASIC_MINLEN (LLC_UFRAMELEN + 3)
+
+#define LLC_XID_CLASS_I 0x1
+#define LLC_XID_CLASS_II 0x3
+#define LLC_XID_CLASS_III 0x5
+#define LLC_XID_CLASS_IV 0x7
+
-#endif
+#endif /* !_NET_IF_LLC_H_ */
projects / apple / xnu.git / blobdiff