X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/43866e378188c25dd1e2208016ab3cbeb086ae6c..cb3231590a3c94ab4375e2228bd5e86b0cf1ad7e:/bsd/net/if_llc.h?ds=sidebyside diff --git a/bsd/net/if_llc.h b/bsd/net/if_llc.h index 16b8b3ef9..f2ccb92bc 100644 --- a/bsd/net/if_llc.h +++ b/bsd/net/if_llc.h @@ -1,17 +1,20 @@ /* - * 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, @@ -19,8 +22,8 @@ * 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 @@ -34,11 +37,7 @@ * 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. * @@ -54,7 +53,7 @@ * 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_ @@ -70,55 +69,67 @@ */ 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 @@ -126,44 +137,59 @@ struct llc { #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_ */