| 1 | /* |
| 2 | * Copyright (c) 1997, 2000 Hellmuth Michaelis. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * 1. Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer in the |
| 11 | * documentation and/or other materials provided with the distribution. |
| 12 | * |
| 13 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 14 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 16 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 17 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 18 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 19 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 20 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 21 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 22 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 23 | * SUCH DAMAGE. |
| 24 | * |
| 25 | *--------------------------------------------------------------------------- |
| 26 | * |
| 27 | * i4b_ctl.c - i4b system control port driver |
| 28 | * ------------------------------------------ |
| 29 | * |
| 30 | * $Id: i4b_ctl.c,v 1.37 2000/05/31 08:04:43 hm Exp $ |
| 31 | * |
| 32 | * $FreeBSD: src/sys/i4b/driver/i4b_ctl.c,v 1.10.2.3 2001/08/12 16:22:48 hm Exp $ |
| 33 | * $DragonFly: src/sys/net/i4b/driver/i4b_ctl.c,v 1.14 2006/12/22 23:44:55 swildner Exp $ |
| 34 | * |
| 35 | * last edit-date: [Sat Aug 11 18:06:38 2001] |
| 36 | * |
| 37 | *---------------------------------------------------------------------------*/ |
| 38 | |
| 39 | #include "use_i4bctl.h" |
| 40 | |
| 41 | #if NI4BCTL > 1 |
| 42 | #error "only 1 (one) i4bctl device allowed!" |
| 43 | #endif |
| 44 | |
| 45 | #if NI4BCTL > 0 |
| 46 | |
| 47 | #include <sys/param.h> |
| 48 | |
| 49 | #include <sys/kernel.h> |
| 50 | #include <sys/systm.h> |
| 51 | #include <sys/conf.h> |
| 52 | #include <sys/device.h> |
| 53 | #include <sys/socket.h> |
| 54 | #include <net/if.h> |
| 55 | |
| 56 | #include <net/i4b/include/machine/i4b_debug.h> |
| 57 | #include <net/i4b/include/machine/i4b_ioctl.h> |
| 58 | |
| 59 | #include "../include/i4b_global.h" |
| 60 | #include "../include/i4b_l3l4.h" |
| 61 | #include "../layer2/i4b_l2.h" |
| 62 | |
| 63 | static int openflag = 0; |
| 64 | |
| 65 | static d_open_t i4bctlopen; |
| 66 | static d_close_t i4bctlclose; |
| 67 | static d_ioctl_t i4bctlioctl; |
| 68 | |
| 69 | static d_poll_t i4bctlpoll; |
| 70 | #define POLLFIELD i4bctlpoll |
| 71 | |
| 72 | #define CDEV_MAJOR 55 |
| 73 | |
| 74 | static struct dev_ops i4bctl_ops = { |
| 75 | { "i4bctl", CDEV_MAJOR, 0 }, |
| 76 | .d_open = i4bctlopen, |
| 77 | .d_close = i4bctlclose, |
| 78 | .d_ioctl = i4bctlioctl, |
| 79 | .d_poll = POLLFIELD, |
| 80 | }; |
| 81 | |
| 82 | static void i4bctlattach(void *); |
| 83 | PSEUDO_SET(i4bctlattach, i4b_i4bctldrv); |
| 84 | |
| 85 | #define PDEVSTATIC static |
| 86 | |
| 87 | /*---------------------------------------------------------------------------* |
| 88 | * interface attach routine |
| 89 | *---------------------------------------------------------------------------*/ |
| 90 | PDEVSTATIC void |
| 91 | i4bctlattach(void *dummy) |
| 92 | { |
| 93 | #ifndef HACK_NO_PSEUDO_ATTACH_MSG |
| 94 | kprintf("i4bctl: ISDN system control port attached\n"); |
| 95 | #endif |
| 96 | } |
| 97 | |
| 98 | /*---------------------------------------------------------------------------* |
| 99 | * i4bctlopen - device driver open routine |
| 100 | *---------------------------------------------------------------------------*/ |
| 101 | PDEVSTATIC int |
| 102 | i4bctlopen(struct dev_open_args *ap) |
| 103 | { |
| 104 | cdev_t dev = ap->a_head.a_dev; |
| 105 | if(minor(dev)) |
| 106 | return (ENXIO); |
| 107 | if(openflag) |
| 108 | return (EBUSY); |
| 109 | openflag = 1; |
| 110 | return (0); |
| 111 | } |
| 112 | |
| 113 | /*---------------------------------------------------------------------------* |
| 114 | * i4bctlclose - device driver close routine |
| 115 | *---------------------------------------------------------------------------*/ |
| 116 | PDEVSTATIC int |
| 117 | i4bctlclose(struct dev_close_args *ap) |
| 118 | { |
| 119 | openflag = 0; |
| 120 | return (0); |
| 121 | } |
| 122 | |
| 123 | /*---------------------------------------------------------------------------* |
| 124 | * i4bctlioctl - device driver ioctl routine |
| 125 | *---------------------------------------------------------------------------*/ |
| 126 | PDEVSTATIC int |
| 127 | i4bctlioctl(struct dev_ioctl_args *ap) |
| 128 | { |
| 129 | cdev_t dev = ap->a_head.a_dev; |
| 130 | #if DO_I4B_DEBUG |
| 131 | ctl_debug_t *cdbg; |
| 132 | int error = 0; |
| 133 | #endif |
| 134 | |
| 135 | #if !DO_I4B_DEBUG |
| 136 | return(ENODEV); |
| 137 | #else |
| 138 | if(minor(dev)) |
| 139 | return(ENODEV); |
| 140 | |
| 141 | switch(ap->a_cmd) |
| 142 | { |
| 143 | case I4B_CTL_GET_DEBUG: |
| 144 | cdbg = (ctl_debug_t *)ap->a_data; |
| 145 | cdbg->l1 = i4b_l1_debug; |
| 146 | cdbg->l2 = i4b_l2_debug; |
| 147 | cdbg->l3 = i4b_l3_debug; |
| 148 | cdbg->l4 = i4b_l4_debug; |
| 149 | break; |
| 150 | |
| 151 | case I4B_CTL_SET_DEBUG: |
| 152 | cdbg = (ctl_debug_t *)ap->a_data; |
| 153 | i4b_l1_debug = cdbg->l1; |
| 154 | i4b_l2_debug = cdbg->l2; |
| 155 | i4b_l3_debug = cdbg->l3; |
| 156 | i4b_l4_debug = cdbg->l4; |
| 157 | break; |
| 158 | |
| 159 | case I4B_CTL_GET_CHIPSTAT: |
| 160 | { |
| 161 | struct chipstat *cst; |
| 162 | cst = (struct chipstat *)ap->a_data; |
| 163 | (*ctrl_desc[cst->driver_unit].N_MGMT_COMMAND)(cst->driver_unit, CMR_GCST, cst); |
| 164 | break; |
| 165 | } |
| 166 | |
| 167 | case I4B_CTL_CLR_CHIPSTAT: |
| 168 | { |
| 169 | struct chipstat *cst; |
| 170 | cst = (struct chipstat *)ap->a_data; |
| 171 | (*ctrl_desc[cst->driver_unit].N_MGMT_COMMAND)(cst->driver_unit, CMR_CCST, cst); |
| 172 | break; |
| 173 | } |
| 174 | |
| 175 | case I4B_CTL_GET_LAPDSTAT: |
| 176 | { |
| 177 | l2stat_t *l2s; |
| 178 | l2_softc_t *sc; |
| 179 | l2s = (l2stat_t *)ap->a_data; |
| 180 | |
| 181 | if( l2s->unit < 0 || l2s->unit > MAXL1UNITS) |
| 182 | { |
| 183 | error = EINVAL; |
| 184 | break; |
| 185 | } |
| 186 | |
| 187 | sc = &l2_softc[l2s->unit]; |
| 188 | |
| 189 | bcopy(&sc->stat, &l2s->lapdstat, sizeof(lapdstat_t)); |
| 190 | break; |
| 191 | } |
| 192 | |
| 193 | case I4B_CTL_CLR_LAPDSTAT: |
| 194 | { |
| 195 | int *up; |
| 196 | l2_softc_t *sc; |
| 197 | up = (int *)ap->a_data; |
| 198 | |
| 199 | if( *up < 0 || *up > MAXL1UNITS) |
| 200 | { |
| 201 | error = EINVAL; |
| 202 | break; |
| 203 | } |
| 204 | |
| 205 | sc = &l2_softc[*up]; |
| 206 | |
| 207 | bzero(&sc->stat, sizeof(lapdstat_t)); |
| 208 | break; |
| 209 | } |
| 210 | |
| 211 | default: |
| 212 | error = ENOTTY; |
| 213 | break; |
| 214 | } |
| 215 | return(error); |
| 216 | #endif /* DO_I4B_DEBUG */ |
| 217 | } |
| 218 | |
| 219 | /*---------------------------------------------------------------------------* |
| 220 | * i4bctlpoll - device driver poll routine |
| 221 | *---------------------------------------------------------------------------*/ |
| 222 | static int |
| 223 | i4bctlpoll (struct dev_poll_args *ap) |
| 224 | { |
| 225 | return (ENODEV); |
| 226 | } |
| 227 | |
| 228 | #endif /* NI4BCTL > 0 */ |