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Annotation of XNU/bsd/net/if_blue.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /* Copyright (c) 1997, 1998 Apple Computer, Inc. All Rights Reserved */
        !            23: /*
        !            24:  *     @(#)if_blue.h   1.1 (MacOSX) 6/10/43
        !            25:  * Justin Walker
        !            26:  * 970520 - First version
        !            27:  * 980130 - Second version - performance improvements
        !            28:  */
        !            29: 
        !            30: #ifndef _IF_BLUE_H
        !            31: #define _IF_BLUE_H
        !            32: 
        !            33: #define BLUE_DEBUG 0
        !            34: 
        !            35: /*
        !            36:  * Y-adapter filter mechanism.
        !            37:  * Specifies the Atalk or IP network address of this node.
        !            38:  * If BF_ALLOC is set and BF_VALID is not, the corresponding
        !            39:  * protocol type should be captured.
        !            40:  */
        !            41: struct BlueFilter
        !            42: {
        !            43: #define        IFNAMSIZ        16
        !            44:        char    ifr_name[IFNAMSIZ];             /* if name, e.g. "en0" */
        !            45:        short BF_flags;
        !            46:        unsigned long  BF_address;      /* IP address or Atalk Network # */
        !            47:        unsigned char  BF_node;         /* Atalk node # */
        !            48: #ifdef notyet
        !            49:        struct ifnet *BF_if;            /* Destination of "passed" pkts */
        !            50: #endif
        !            51: };
        !            52: 
        !            53: #define BF_ALLOC       0x01    /* Entry in use */
        !            54: #define BF_DEALLOC     0x02    /* Clear matching entry */
        !            55: #define BF_VALID       0x04    /* Address is valid */
        !            56: #define BF_ATALK       0x08    /* Appletalk network address */
        !            57: #define BF_IP          0x10    /* IP network address */
        !            58: 
        !            59: struct Ystats
        !            60: {      char YS_name[IFNAMSIZ];         /* if name, e.g. "en0" */
        !            61:        struct BlueFilter YS_filter[2];
        !            62:        pid_t YS_blue_pid;
        !            63:        int YS_pkts_up;
        !            64:        int YS_pkts_out;
        !            65:        int YS_pkts_looped_r2b;
        !            66:        int YS_pkts_looped_b2r;
        !            67:        int YS_no_bufs1;
        !            68:        int YS_no_bufs2;
        !            69:        int YS_full_sockbuf;
        !            70: };
        !            71: 
        !            72: struct ifnet_blue
        !            73: {      struct ifnet ifb_ifn;
        !            74:        struct socket *ifb_so;
        !            75:        pid_t blue_pid;
        !            76:        int sig_to_send;
        !            77:        int sig_sent;           /* Set when new pkt arrives; cleared when mt */
        !            78:        struct BlueFilter filter[2];    /* Only need to check IP, A/talk */
        !            79:        /* Stats */
        !            80:        int pkts_up;
        !            81:        int pkts_out;
        !            82:        int pkts_looped_r2b;
        !            83:        int pkts_looped_b2r;
        !            84:        int no_bufs1;           /* splitter_input got null mbuf */
        !            85:        int no_bufs2;           /* ndrv_output couldn't dup mbuf */
        !            86:        int full_sockbuf;
        !            87: };
        !            88: 
        !            89: /* Preallocate slots in blue_if to simplify filtering */
        !            90: #define BFS_ATALK      0x0     /* The Atalk filter */
        !            91: #define BFS_IP         0x1     /* The IP filter */
        !            92: 
        !            93: #define SIOCSSPLITTER  _IOW('i', 123, struct ifreq)    /* set 'splitter' */
        !            94: #define SIOCGSPLITTER  _IOR('i', 122, struct ifreq)    /* get 'splitter' */
        !            95: #define SIOCGSPLTSTAT  _IOWR('i', 121, struct Ystats)
        !            96: #define SIOCSSPLTFILT  _IOW('i', 120, struct BlueFilter)
        !            97: #define SIOCZSPLTSTAT  _IO('i', 119)           /* Clear stats */
        !            98: 
        !            99: /*
        !           100:  * Config structure for the Y adapter - NYI
        !           101:  */
        !           102: struct if_splitter
        !           103: {      char ifs_on;            /* 1=>on */
        !           104:        char ifs_qmax;          /* !0 => maxqlen */
        !           105:        short ifs_wait;         /* Time to wait for signal */
        !           106:        short ifs_sig;          /* Signal to send */
        !           107:        short ifs_pad;          /* Extra space */
        !           108: };
        !           109: 
        !           110: #ifdef KERNEL
        !           111: extern struct ifqueue blueq;           /* Place to put incoming BB packets */
        !           112: 
        !           113: #define BFCount 10
        !           114: extern struct BlueFilter RhapFilter[]; /* Filters for MacOSX side */
        !           115: extern int BFIx;
        !           116: #endif
        !           117: #endif /* _IF_BLUE_H */

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