Return to aurp_tx.c CVS log

Up to [Apple Darwin 0.x] / kernel / bsd / netat

Annotation of kernel/bsd/netat/aurp_tx.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /*
        !            26:  *     Copyright (c) 1996 Apple Computer, Inc. 
        !            27:  *
        !            28:  *     The information contained herein is subject to change without
        !            29:  *     notice and  should not be  construed as a commitment by Apple
        !            30:  *     Computer, Inc. Apple Computer, Inc. assumes no responsibility
        !            31:  *     for any errors that may appear.
        !            32:  *
        !            33:  *     Confidential and Proprietary to Apple Computer, Inc.
        !            34:  *
        !            35:  *     File: tx.c
        !            36:  */
        !            37: #include <sysglue.h>
        !            38: #include <at/appletalk.h>
        !            39: #include <lap.h>
        !            40: #include <routing_tables.h>
        !            41: #define _AURP
        !            42: #define _KERNSYS
        !            43: #include <at/aurp.h>
        !            44: #include <at_aurp.h>
        !            45: 
        !            46: /*
        !            47:  * Any AURP protocol or appletalk data (ddp) packets flowing through
        !            48:  *  are inserted into the kernel aurpd process's (atalk) input queue.
        !            49:  * Assume here that we deal with single packets, i.e., someone earlier
        !            50:  *  in the food chain has broken up packet chains.
        !            51:  */
        !            52: void AURPsend(mdata, type, node)
        !            53:        gbuf_t *mdata;
        !            54:        int type, node;
        !            55: {
        !            56:        struct domain *domain;
        !            57:        aurp_hdr_t *hdr;
        !            58:        gbuf_t *m;
        !            59:        int msize = AT_WR_OFFSET+32+IP_DOMAINSIZE;
        !            60: 
        !            61:        /* Add the domain header */
        !            62:        if ((m = gbuf_alloc(msize, PRI_MED)) == 0) {
        !            63:                gbuf_freem(mdata);
        !            64:                return;
        !            65:        }
        !            66:        gbuf_wset(m,msize);
        !            67:        gbuf_rinc(m,AT_WR_OFFSET+32);
        !            68:        gbuf_cont(m) = mdata;
        !            69:        domain = (struct domain *)gbuf_rptr(m);
        !            70:        domain->dst_length = IP_LENGTH;
        !            71:        domain->dst_authority = IP_AUTHORITY;
        !            72:        domain->dst_distinguisher = IP_DISTINGUISHER;
        !            73:        domain->src_length = IP_LENGTH;
        !            74:        domain->src_authority = IP_AUTHORITY;
        !            75:        domain->src_distinguisher = IP_DISTINGUISHER;
        !            76:        domain->src_address = aurp_global.src_addr;
        !            77:        domain->version = AUD_Version;
        !            78:        domain->reserved = 0;
        !            79:        domain->type = type;
        !            80:        domain->dst_address = aurp_global.dst_addr[node];
        !            81:        atalk_to_ip(m);
        !            82: }
        !            83: 
        !            84: /*
        !            85:  * Called from within ddp (via ddp_AURPsendx) to handle data (DDP) packets
        !            86:  *  sent from the AppleTalk stack, routing updates, and routing info
        !            87:  *  initialization.
        !            88:  */
        !            89: void AURPcmdx(code, mdata, param)
        !            90:        int code;
        !            91:        gbuf_t *mdata;
        !            92:        int param;
        !            93: {
        !            94:        unsigned char node;
        !            95:        gbuf_t *mdata_next;
        !            96:        aurp_rtinfo_t *rtinfo;
        !            97: 
        !            98:        if (mdata == 0)
        !            99:                return;
        !           100:        if (aurp_gref == 0) {
        !           101:                if ((code != AURPCODE_RTINFO) && (code != AURPCODE_DEBUGINFO))
        !           102:                        AURPfreemsg(mdata);
        !           103:                return;
        !           104:        }
        !           105: 
        !           106:        switch (code) {
        !           107:        case AURPCODE_DATAPKT: /* data packet */
        !           108:                node = (unsigned char)param;
        !           109:                if (gbuf_next(mdata)) {
        !           110:                        mdata_next = gbuf_next(mdata);
        !           111:                        gbuf_next(mdata) = 0;
        !           112:                        AURPsend(mdata, AUD_Atalk, node);
        !           113:                        do {
        !           114:                                mdata = mdata_next;
        !           115:                                mdata_next = gbuf_next(mdata);
        !           116:                                gbuf_next(mdata) = 0;
        !           117:                                /* Indicate non-AURP packet, node id of peer */
        !           118:                                AURPsend(mdata, AUD_Atalk, node);
        !           119:                        } while (mdata_next);
        !           120:                } else
        !           121:                        AURPsend(mdata, AUD_Atalk, node);
        !           122:                break;
        !           123: 
        !           124:        case AURPCODE_RTUPDATE:
        !           125:                AURPrtupdate(mdata, param);
        !           126:                break;
        !           127: 
        !           128:        case AURPCODE_RTINFO: /* routing info */
        !           129:                rtinfo = (aurp_rtinfo_t *)mdata;
        !           130:                RT_table = (RT_entry *)rtinfo->RT_table;
        !           131:                ZT_table = (ZT_entry *)rtinfo->ZT_table;
        !           132:                RT_maxentry = rtinfo->RT_maxentry;
        !           133:                ZT_maxentry = rtinfo->ZT_maxentry;
        !           134:                RT_lock = rtinfo->rt_lock;
        !           135:                RT_insert = (RT_entry *(*)())rtinfo->rt_insert;
        !           136:                RT_delete = (RT_entry *(*)())rtinfo->rt_delete;
        !           137:                RT_lookup = (RT_entry *(*)())rtinfo->rt_lookup;
        !           138:                ZT_add_zname = (int (*)())rtinfo->zt_add_zname;
        !           139:                ZT_set_zmap = (void (*)())rtinfo->zt_set_zmap;
        !           140:                ZT_get_zindex = (int (*)())rtinfo->zt_get_zindex;
        !           141:                ZT_remove_zones = (void (*)())rtinfo->zt_remove_zones;
        !           142:                break;
        !           143: 
        !           144:        case AURPCODE_DEBUGINFO: /* debug info */
        !           145:                dbgBits = *(dbgBits_t *)mdata;
        !           146:                net_port = param;
        !           147:                break;
        !           148: 
        !           149:        default:
        !           150:                dPrintf(D_M_AURP, D_L_ERROR, ("AURPcmdx: bad code, %d\n", code));
        !           151:        }
        !           152: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.