Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 1 | /* Copyright (C) 2007-2008 One Stop Systems |
| 2 | * Copyright (C) 2003-2006 SBE, Inc. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | */ |
| 14 | |
Joe Perches | e6e4d05 | 2010-05-03 11:02:44 -0700 | [diff] [blame] | 15 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 16 | |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 17 | #include <linux/types.h> |
| 18 | #include <linux/netdevice.h> |
Paul Gortmaker | 4529623 | 2011-08-30 17:50:46 -0400 | [diff] [blame] | 19 | #include <linux/module.h> |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 20 | #include <linux/hdlc.h> |
| 21 | #include <linux/if_arp.h> |
| 22 | #include <linux/init.h> |
| 23 | #include <asm/uaccess.h> |
| 24 | #include <linux/rtnetlink.h> |
| 25 | #include <linux/skbuff.h> |
| 26 | #include "pmcc4_sysdep.h" |
| 27 | #include "sbecom_inline_linux.h" |
| 28 | #include "libsbew.h" |
| 29 | #include "pmcc4.h" |
| 30 | #include "pmcc4_ioctls.h" |
| 31 | #include "pmcc4_private.h" |
| 32 | #include "sbeproc.h" |
| 33 | |
| 34 | /***************************************************************************************** |
| 35 | * Error out early if we have compiler trouble. |
| 36 | * |
| 37 | * (This section is included from the kernel's init/main.c as a friendly |
| 38 | * spiderman recommendation...) |
| 39 | * |
| 40 | * Versions of gcc older than that listed below may actually compile and link |
| 41 | * okay, but the end product can have subtle run time bugs. To avoid associated |
| 42 | * bogus bug reports, we flatly refuse to compile with a gcc that is known to be |
| 43 | * too old from the very beginning. |
| 44 | */ |
| 45 | #if (__GNUC__ < 3) || (__GNUC__ == 3 && __GNUC_MINOR__ < 2) |
| 46 | #error Sorry, your GCC is too old. It builds incorrect kernels. |
| 47 | #endif |
| 48 | |
| 49 | #if __GNUC__ == 4 && __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ == 0 |
| 50 | #warning gcc-4.1.0 is known to miscompile the kernel. A different compiler version is recommended. |
| 51 | #endif |
| 52 | |
| 53 | /*****************************************************************************************/ |
| 54 | |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 55 | #define CHANNAME "hdlc" |
| 56 | |
| 57 | /*******************************************************************/ |
| 58 | /* forward references */ |
| 59 | status_t c4_chan_work_init (mpi_t *, mch_t *); |
| 60 | void musycc_wq_chan_restart (void *); |
| 61 | status_t __init c4_init (ci_t *, u_char *, u_char *); |
| 62 | status_t __init c4_init2 (ci_t *); |
| 63 | ci_t *__init c4_new (void *); |
| 64 | int __init c4hw_attach_all (void); |
| 65 | void __init hdw_sn_get (hdw_info_t *, int); |
| 66 | |
| 67 | #ifdef CONFIG_SBE_PMCC4_NCOMM |
| 68 | irqreturn_t c4_ebus_intr_th_handler (void *); |
| 69 | |
| 70 | #endif |
| 71 | int c4_frame_rw (ci_t *, struct sbecom_port_param *); |
| 72 | status_t c4_get_port (ci_t *, int); |
| 73 | int c4_loop_port (ci_t *, int, u_int8_t); |
| 74 | int c4_musycc_rw (ci_t *, struct c4_musycc_param *); |
| 75 | int c4_new_chan (ci_t *, int, int, void *); |
| 76 | status_t c4_set_port (ci_t *, int); |
| 77 | int c4_pld_rw (ci_t *, struct sbecom_port_param *); |
| 78 | void cleanup_devs (void); |
| 79 | void cleanup_ioremap (void); |
| 80 | status_t musycc_chan_down (ci_t *, int); |
| 81 | irqreturn_t musycc_intr_th_handler (void *); |
| 82 | int musycc_start_xmit (ci_t *, int, void *); |
| 83 | |
| 84 | extern char pmcc4_OSSI_release[]; |
| 85 | extern ci_t *CI; |
| 86 | extern struct s_hdw_info hdw_info[]; |
| 87 | |
| 88 | #if defined(CONFIG_SBE_HDLC_V7) || defined(CONFIG_SBE_WAN256T3_HDLC_V7) || \ |
| 89 | defined(CONFIG_SBE_HDLC_V7_MODULE) || defined(CONFIG_SBE_WAN256T3_HDLC_V7_MODULE) |
| 90 | #define _v7_hdlc_ 1 |
| 91 | #else |
| 92 | #define _v7_hdlc_ 0 |
| 93 | #endif |
| 94 | |
| 95 | #if _v7_hdlc_ |
| 96 | #define V7(x) (x ## _v7) |
| 97 | extern int hdlc_netif_rx_v7 (hdlc_device *, struct sk_buff *); |
| 98 | extern int register_hdlc_device_v7 (hdlc_device *); |
| 99 | extern int unregister_hdlc_device_v7 (hdlc_device *); |
| 100 | |
| 101 | #else |
| 102 | #define V7(x) x |
| 103 | #endif |
| 104 | |
| 105 | int error_flag; /* module load error reporting */ |
Greg Kroah-Hartman | b8b7399 | 2010-12-10 10:46:30 -0800 | [diff] [blame] | 106 | int cxt1e1_log_level = LOG_ERROR; |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 107 | int log_level_default = LOG_ERROR; |
Greg Kroah-Hartman | b8b7399 | 2010-12-10 10:46:30 -0800 | [diff] [blame] | 108 | module_param(cxt1e1_log_level, int, 0444); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 109 | |
Bob Beers | c694ed8 | 2010-10-16 18:06:36 -0400 | [diff] [blame] | 110 | int cxt1e1_max_mru = MUSYCC_MRU; |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 111 | int max_mru_default = MUSYCC_MRU; |
Bob Beers | c694ed8 | 2010-10-16 18:06:36 -0400 | [diff] [blame] | 112 | module_param(cxt1e1_max_mru, int, 0444); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 113 | |
Bob Beers | c694ed8 | 2010-10-16 18:06:36 -0400 | [diff] [blame] | 114 | int cxt1e1_max_mtu = MUSYCC_MTU; |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 115 | int max_mtu_default = MUSYCC_MTU; |
Bob Beers | c694ed8 | 2010-10-16 18:06:36 -0400 | [diff] [blame] | 116 | module_param(cxt1e1_max_mtu, int, 0444); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 117 | |
| 118 | int max_txdesc_used = MUSYCC_TXDESC_MIN; |
| 119 | int max_txdesc_default = MUSYCC_TXDESC_MIN; |
| 120 | module_param(max_txdesc_used, int, 0444); |
| 121 | |
| 122 | int max_rxdesc_used = MUSYCC_RXDESC_MIN; |
| 123 | int max_rxdesc_default = MUSYCC_RXDESC_MIN; |
| 124 | module_param(max_rxdesc_used, int, 0444); |
| 125 | |
| 126 | /****************************************************************************/ |
| 127 | /****************************************************************************/ |
| 128 | /****************************************************************************/ |
| 129 | |
| 130 | void * |
| 131 | getuserbychan (int channum) |
| 132 | { |
| 133 | mch_t *ch; |
| 134 | |
| 135 | ch = c4_find_chan (channum); |
Sachin Kamat | 86a3cda | 2013-09-27 09:36:31 +0530 | [diff] [blame] | 136 | return ch ? ch->user : NULL; |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 137 | } |
| 138 | |
| 139 | |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 140 | char * |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 141 | get_hdlc_name (hdlc_device *hdlc) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 142 | { |
| 143 | struct c4_priv *priv = hdlc->priv; |
| 144 | struct net_device *dev = getuserbychan (priv->channum); |
| 145 | |
| 146 | return dev->name; |
| 147 | } |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 148 | |
| 149 | |
| 150 | static status_t |
| 151 | mkret (int bsd) |
| 152 | { |
| 153 | if (bsd > 0) |
| 154 | return -bsd; |
| 155 | else |
| 156 | return bsd; |
| 157 | } |
| 158 | |
| 159 | /***************************************************************************/ |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 160 | #include <linux/workqueue.h> |
| 161 | |
| 162 | /*** |
| 163 | * One workqueue (wq) per port (since musycc allows simultaneous group |
| 164 | * commands), with individual data for each channel: |
| 165 | * |
| 166 | * mpi_t -> struct workqueue_struct *wq_port; (dynamically allocated using |
| 167 | * create_workqueue()) |
| 168 | * |
| 169 | * With work structure (work) statically allocated for each channel: |
| 170 | * |
| 171 | * mch_t -> struct work_struct ch_work; (statically allocated using ???) |
| 172 | * |
| 173 | ***/ |
| 174 | |
| 175 | |
| 176 | /* |
| 177 | * Called by the start transmit routine when a channel TX_ENABLE is to be |
| 178 | * issued. This queues the transmission start request among other channels |
| 179 | * within a port's group. |
| 180 | */ |
| 181 | void |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 182 | c4_wk_chan_restart (mch_t *ch) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 183 | { |
| 184 | mpi_t *pi = ch->up; |
| 185 | |
| 186 | #ifdef RLD_RESTART_DEBUG |
Joe Perches | 694a980 | 2010-05-03 12:33:16 -0700 | [diff] [blame] | 187 | pr_info(">> %s: queueing Port %d Chan %d, mch_t @ %p\n", |
| 188 | __func__, pi->portnum, ch->channum, ch); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 189 | #endif |
| 190 | |
| 191 | /* create new entry w/in workqueue for this channel and let'er rip */ |
| 192 | |
| 193 | /** queue_work (struct workqueue_struct *queue, |
| 194 | ** struct work_struct *work); |
| 195 | **/ |
| 196 | queue_work (pi->wq_port, &ch->ch_work); |
| 197 | } |
| 198 | |
| 199 | status_t |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 200 | c4_wk_chan_init (mpi_t *pi, mch_t *ch) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 201 | { |
| 202 | /* |
| 203 | * this will be used to restart a stopped channel |
| 204 | */ |
| 205 | |
| 206 | /** INIT_WORK (struct work_struct *work, |
| 207 | ** void (*function)(void *), |
| 208 | ** void *data); |
| 209 | **/ |
| 210 | INIT_WORK(&ch->ch_work, (void *)musycc_wq_chan_restart); |
| 211 | return 0; /* success */ |
| 212 | } |
| 213 | |
| 214 | status_t |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 215 | c4_wq_port_init (mpi_t *pi) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 216 | { |
| 217 | |
| 218 | char name[16], *np; /* NOTE: name of the queue limited by system |
| 219 | * to 10 characters */ |
| 220 | |
| 221 | if (pi->wq_port) |
| 222 | return 0; /* already initialized */ |
| 223 | |
| 224 | np = name; |
| 225 | memset (name, 0, 16); |
| 226 | sprintf (np, "%s%d", pi->up->devname, pi->portnum); /* IE pmcc4-01) */ |
| 227 | |
| 228 | #ifdef RLD_RESTART_DEBUG |
Joe Perches | 694a980 | 2010-05-03 12:33:16 -0700 | [diff] [blame] | 229 | pr_info(">> %s: creating workqueue <%s> for Port %d.\n", |
| 230 | __func__, name, pi->portnum); /* RLD DEBUG */ |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 231 | #endif |
| 232 | if (!(pi->wq_port = create_singlethread_workqueue (name))) |
Sachin Kamat | bcf7bea | 2013-09-27 09:36:38 +0530 | [diff] [blame] | 233 | return -ENOMEM; |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 234 | return 0; /* success */ |
| 235 | } |
| 236 | |
| 237 | void |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 238 | c4_wq_port_cleanup (mpi_t *pi) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 239 | { |
| 240 | /* |
| 241 | * PORT POINT: cannot call this if WQ is statically allocated w/in |
| 242 | * structure since it calls kfree(wq); |
| 243 | */ |
| 244 | if (pi->wq_port) |
| 245 | { |
| 246 | destroy_workqueue (pi->wq_port); /* this also calls |
| 247 | * flush_workqueue() */ |
Sachin Kamat | 86a3cda | 2013-09-27 09:36:31 +0530 | [diff] [blame] | 248 | pi->wq_port = NULL; |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 249 | } |
| 250 | } |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 251 | |
| 252 | /***************************************************************************/ |
| 253 | |
| 254 | irqreturn_t |
| 255 | c4_linux_interrupt (int irq, void *dev_instance) |
| 256 | { |
| 257 | struct net_device *ndev = dev_instance; |
| 258 | |
| 259 | return musycc_intr_th_handler(netdev_priv(ndev)); |
| 260 | } |
| 261 | |
| 262 | |
| 263 | #ifdef CONFIG_SBE_PMCC4_NCOMM |
| 264 | irqreturn_t |
| 265 | c4_ebus_interrupt (int irq, void *dev_instance) |
| 266 | { |
| 267 | struct net_device *ndev = dev_instance; |
| 268 | |
| 269 | return c4_ebus_intr_th_handler(netdev_priv(ndev)); |
| 270 | } |
| 271 | #endif |
| 272 | |
| 273 | |
| 274 | static int |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 275 | void_open (struct net_device *ndev) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 276 | { |
Joe Perches | 694a980 | 2010-05-03 12:33:16 -0700 | [diff] [blame] | 277 | pr_info("%s: trying to open master device !\n", ndev->name); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 278 | return -1; |
| 279 | } |
| 280 | |
| 281 | |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 282 | static int |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 283 | chan_open (struct net_device *ndev) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 284 | { |
| 285 | hdlc_device *hdlc = dev_to_hdlc (ndev); |
| 286 | const struct c4_priv *priv = hdlc->priv; |
| 287 | int ret; |
| 288 | |
| 289 | if ((ret = hdlc_open (ndev))) |
| 290 | { |
Joe Perches | 694a980 | 2010-05-03 12:33:16 -0700 | [diff] [blame] | 291 | pr_info("hdlc_open failure, err %d.\n", ret); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 292 | return ret; |
| 293 | } |
| 294 | if ((ret = c4_chan_up (priv->ci, priv->channum))) |
| 295 | return -ret; |
| 296 | try_module_get (THIS_MODULE); |
| 297 | netif_start_queue (ndev); |
| 298 | return 0; /* no error = success */ |
| 299 | } |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 300 | |
| 301 | |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 302 | static int |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 303 | chan_close (struct net_device *ndev) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 304 | { |
| 305 | hdlc_device *hdlc = dev_to_hdlc (ndev); |
| 306 | const struct c4_priv *priv = hdlc->priv; |
| 307 | |
| 308 | netif_stop_queue (ndev); |
| 309 | musycc_chan_down ((ci_t *) 0, priv->channum); |
| 310 | hdlc_close (ndev); |
| 311 | module_put (THIS_MODULE); |
| 312 | return 0; |
| 313 | } |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 314 | |
| 315 | |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 316 | static int |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 317 | chan_dev_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 318 | { |
| 319 | return hdlc_ioctl (dev, ifr, cmd); |
| 320 | } |
| 321 | |
| 322 | |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 323 | static int |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 324 | chan_attach_noop (struct net_device *ndev, unsigned short foo_1, unsigned short foo_2) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 325 | { |
| 326 | return 0; /* our driver has nothing to do here, show's |
| 327 | * over, go home */ |
| 328 | } |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 329 | |
| 330 | |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 331 | static struct net_device_stats * |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 332 | chan_get_stats (struct net_device *ndev) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 333 | { |
| 334 | mch_t *ch; |
| 335 | struct net_device_stats *nstats; |
| 336 | struct sbecom_chan_stats *stats; |
| 337 | int channum; |
| 338 | |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 339 | { |
| 340 | struct c4_priv *priv; |
| 341 | |
| 342 | priv = (struct c4_priv *) dev_to_hdlc (ndev)->priv; |
| 343 | channum = priv->channum; |
| 344 | } |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 345 | |
| 346 | ch = c4_find_chan (channum); |
| 347 | if (ch == NULL) |
| 348 | return NULL; |
| 349 | |
| 350 | nstats = &ndev->stats; |
| 351 | stats = &ch->s; |
| 352 | |
| 353 | memset (nstats, 0, sizeof (struct net_device_stats)); |
| 354 | nstats->rx_packets = stats->rx_packets; |
| 355 | nstats->tx_packets = stats->tx_packets; |
| 356 | nstats->rx_bytes = stats->rx_bytes; |
| 357 | nstats->tx_bytes = stats->tx_bytes; |
| 358 | nstats->rx_errors = stats->rx_length_errors + |
| 359 | stats->rx_over_errors + |
| 360 | stats->rx_crc_errors + |
| 361 | stats->rx_frame_errors + |
| 362 | stats->rx_fifo_errors + |
| 363 | stats->rx_missed_errors; |
| 364 | nstats->tx_errors = stats->tx_dropped + |
| 365 | stats->tx_aborted_errors + |
| 366 | stats->tx_fifo_errors; |
| 367 | nstats->rx_dropped = stats->rx_dropped; |
| 368 | nstats->tx_dropped = stats->tx_dropped; |
| 369 | |
| 370 | nstats->rx_length_errors = stats->rx_length_errors; |
| 371 | nstats->rx_over_errors = stats->rx_over_errors; |
| 372 | nstats->rx_crc_errors = stats->rx_crc_errors; |
| 373 | nstats->rx_frame_errors = stats->rx_frame_errors; |
| 374 | nstats->rx_fifo_errors = stats->rx_fifo_errors; |
| 375 | nstats->rx_missed_errors = stats->rx_missed_errors; |
| 376 | |
| 377 | nstats->tx_aborted_errors = stats->tx_aborted_errors; |
| 378 | nstats->tx_fifo_errors = stats->tx_fifo_errors; |
| 379 | |
| 380 | return nstats; |
| 381 | } |
| 382 | |
| 383 | |
| 384 | static ci_t * |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 385 | get_ci_by_dev (struct net_device *ndev) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 386 | { |
| 387 | return (ci_t *)(netdev_priv(ndev)); |
| 388 | } |
| 389 | |
| 390 | |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 391 | static int |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 392 | c4_linux_xmit (struct sk_buff *skb, struct net_device *ndev) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 393 | { |
| 394 | const struct c4_priv *priv; |
| 395 | int rval; |
| 396 | |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 397 | hdlc_device *hdlc = dev_to_hdlc (ndev); |
| 398 | |
| 399 | priv = hdlc->priv; |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 400 | |
| 401 | rval = musycc_start_xmit (priv->ci, priv->channum, skb); |
Devendra Naga | a47bf24 | 2012-09-02 02:29:50 +0530 | [diff] [blame] | 402 | return rval; |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 403 | } |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 404 | |
| 405 | static const struct net_device_ops chan_ops = { |
| 406 | .ndo_open = chan_open, |
| 407 | .ndo_stop = chan_close, |
| 408 | .ndo_start_xmit = c4_linux_xmit, |
| 409 | .ndo_do_ioctl = chan_dev_ioctl, |
| 410 | .ndo_get_stats = chan_get_stats, |
| 411 | }; |
| 412 | |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 413 | static struct net_device * |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 414 | create_chan (struct net_device *ndev, ci_t *ci, |
| 415 | struct sbecom_chan_param *cp) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 416 | { |
| 417 | hdlc_device *hdlc; |
| 418 | struct net_device *dev; |
| 419 | hdw_info_t *hi; |
| 420 | int ret; |
| 421 | |
| 422 | if (c4_find_chan (cp->channum)) |
Sachin Kamat | 86a3cda | 2013-09-27 09:36:31 +0530 | [diff] [blame] | 423 | return NULL; /* channel already exists */ |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 424 | |
| 425 | { |
| 426 | struct c4_priv *priv; |
| 427 | |
| 428 | /* allocate then fill in private data structure */ |
| 429 | priv = OS_kmalloc (sizeof (struct c4_priv)); |
| 430 | if (!priv) |
| 431 | { |
Joe Perches | e6e4d05 | 2010-05-03 11:02:44 -0700 | [diff] [blame] | 432 | pr_warning("%s: no memory for net_device !\n", ci->devname); |
Sachin Kamat | 86a3cda | 2013-09-27 09:36:31 +0530 | [diff] [blame] | 433 | return NULL; |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 434 | } |
| 435 | dev = alloc_hdlcdev (priv); |
| 436 | if (!dev) |
| 437 | { |
Joe Perches | e6e4d05 | 2010-05-03 11:02:44 -0700 | [diff] [blame] | 438 | pr_warning("%s: no memory for hdlc_device !\n", ci->devname); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 439 | OS_kfree (priv); |
Sachin Kamat | 86a3cda | 2013-09-27 09:36:31 +0530 | [diff] [blame] | 440 | return NULL; |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 441 | } |
| 442 | priv->ci = ci; |
| 443 | priv->channum = cp->channum; |
| 444 | } |
| 445 | |
| 446 | hdlc = dev_to_hdlc (dev); |
| 447 | |
| 448 | dev->base_addr = 0; /* not I/O mapped */ |
| 449 | dev->irq = ndev->irq; |
| 450 | dev->type = ARPHRD_RAWHDLC; |
| 451 | *dev->name = 0; /* default ifconfig name = "hdlc" */ |
| 452 | |
| 453 | hi = (hdw_info_t *) ci->hdw_info; |
| 454 | if (hi->mfg_info_sts == EEPROM_OK) |
| 455 | { |
| 456 | switch (hi->promfmt) |
| 457 | { |
| 458 | case PROM_FORMAT_TYPE1: |
| 459 | memcpy (dev->dev_addr, (FLD_TYPE1 *) (hi->mfg_info.pft1.Serial), 6); |
| 460 | break; |
| 461 | case PROM_FORMAT_TYPE2: |
| 462 | memcpy (dev->dev_addr, (FLD_TYPE2 *) (hi->mfg_info.pft2.Serial), 6); |
| 463 | break; |
| 464 | default: |
| 465 | memset (dev->dev_addr, 0, 6); |
| 466 | break; |
| 467 | } |
| 468 | } else |
| 469 | { |
| 470 | memset (dev->dev_addr, 0, 6); |
| 471 | } |
| 472 | |
| 473 | hdlc->xmit = c4_linux_xmit; |
| 474 | |
| 475 | dev->netdev_ops = &chan_ops; |
| 476 | /* |
| 477 | * The native hdlc stack calls this 'attach' routine during |
| 478 | * hdlc_raw_ioctl(), passing parameters for line encoding and parity. |
| 479 | * Since hdlc_raw_ioctl() stack does not interrogate whether an 'attach' |
| 480 | * routine is actually registered or not, we supply a dummy routine which |
| 481 | * does nothing (since encoding and parity are setup for our driver via a |
| 482 | * special configuration application). |
| 483 | */ |
| 484 | |
| 485 | hdlc->attach = chan_attach_noop; |
| 486 | |
| 487 | rtnl_unlock (); /* needed due to Ioctl calling sequence */ |
| 488 | ret = register_hdlc_device (dev); |
| 489 | /* NOTE: <stats> setting must occur AFTER registration in order to "take" */ |
| 490 | dev->tx_queue_len = MAX_DEFAULT_IFQLEN; |
| 491 | |
| 492 | rtnl_lock (); /* needed due to Ioctl calling sequence */ |
| 493 | if (ret) |
| 494 | { |
Greg Kroah-Hartman | b8b7399 | 2010-12-10 10:46:30 -0800 | [diff] [blame] | 495 | if (cxt1e1_log_level >= LOG_WARN) |
Joe Perches | 694a980 | 2010-05-03 12:33:16 -0700 | [diff] [blame] | 496 | pr_info("%s: create_chan[%d] registration error = %d.\n", |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 497 | ci->devname, cp->channum, ret); |
| 498 | free_netdev (dev); /* cleanup */ |
Sachin Kamat | 86a3cda | 2013-09-27 09:36:31 +0530 | [diff] [blame] | 499 | return NULL; /* failed to register */ |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 500 | } |
| 501 | return dev; |
| 502 | } |
| 503 | |
| 504 | |
| 505 | /* the idea here is to get port information and pass it back (using pointer) */ |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 506 | static status_t |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 507 | do_get_port (struct net_device *ndev, void *data) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 508 | { |
| 509 | int ret; |
| 510 | ci_t *ci; /* ci stands for card information */ |
| 511 | struct sbecom_port_param pp;/* copy data to kernel land */ |
| 512 | |
| 513 | if (copy_from_user (&pp, data, sizeof (struct sbecom_port_param))) |
| 514 | return -EFAULT; |
| 515 | if (pp.portnum >= MUSYCC_NPORTS) |
| 516 | return -EFAULT; |
| 517 | ci = get_ci_by_dev (ndev); |
| 518 | if (!ci) |
| 519 | return -EINVAL; /* get card info */ |
| 520 | |
| 521 | ret = mkret (c4_get_port (ci, pp.portnum)); |
| 522 | if (ret) |
| 523 | return ret; |
| 524 | if (copy_to_user (data, &ci->port[pp.portnum].p, |
| 525 | sizeof (struct sbecom_port_param))) |
| 526 | return -EFAULT; |
| 527 | return 0; |
| 528 | } |
| 529 | |
| 530 | /* this function copys the user data and then calls the real action function */ |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 531 | static status_t |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 532 | do_set_port (struct net_device *ndev, void *data) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 533 | { |
| 534 | ci_t *ci; /* ci stands for card information */ |
| 535 | struct sbecom_port_param pp;/* copy data to kernel land */ |
| 536 | |
| 537 | if (copy_from_user (&pp, data, sizeof (struct sbecom_port_param))) |
| 538 | return -EFAULT; |
| 539 | if (pp.portnum >= MUSYCC_NPORTS) |
| 540 | return -EFAULT; |
| 541 | ci = get_ci_by_dev (ndev); |
| 542 | if (!ci) |
| 543 | return -EINVAL; /* get card info */ |
| 544 | |
| 545 | if (pp.portnum >= ci->max_port) /* sanity check */ |
Ralph Loader | 3ec6080 | 2011-01-21 19:27:53 +1300 | [diff] [blame] | 546 | return -ENXIO; |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 547 | |
| 548 | memcpy (&ci->port[pp.portnum].p, &pp, sizeof (struct sbecom_port_param)); |
| 549 | return mkret (c4_set_port (ci, pp.portnum)); |
| 550 | } |
| 551 | |
| 552 | /* work the port loopback mode as per directed */ |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 553 | static status_t |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 554 | do_port_loop (struct net_device *ndev, void *data) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 555 | { |
| 556 | struct sbecom_port_param pp; |
| 557 | ci_t *ci; |
| 558 | |
| 559 | if (copy_from_user (&pp, data, sizeof (struct sbecom_port_param))) |
| 560 | return -EFAULT; |
| 561 | ci = get_ci_by_dev (ndev); |
| 562 | if (!ci) |
| 563 | return -EINVAL; |
| 564 | return mkret (c4_loop_port (ci, pp.portnum, pp.port_mode)); |
| 565 | } |
| 566 | |
| 567 | /* set the specified register with the given value / or just read it */ |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 568 | static status_t |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 569 | do_framer_rw (struct net_device *ndev, void *data) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 570 | { |
| 571 | struct sbecom_port_param pp; |
| 572 | ci_t *ci; |
| 573 | int ret; |
| 574 | |
| 575 | if (copy_from_user (&pp, data, sizeof (struct sbecom_port_param))) |
| 576 | return -EFAULT; |
| 577 | ci = get_ci_by_dev (ndev); |
| 578 | if (!ci) |
| 579 | return -EINVAL; |
| 580 | ret = mkret (c4_frame_rw (ci, &pp)); |
| 581 | if (ret) |
| 582 | return ret; |
| 583 | if (copy_to_user (data, &pp, sizeof (struct sbecom_port_param))) |
| 584 | return -EFAULT; |
| 585 | return 0; |
| 586 | } |
| 587 | |
| 588 | /* set the specified register with the given value / or just read it */ |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 589 | static status_t |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 590 | do_pld_rw (struct net_device *ndev, void *data) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 591 | { |
| 592 | struct sbecom_port_param pp; |
| 593 | ci_t *ci; |
| 594 | int ret; |
| 595 | |
| 596 | if (copy_from_user (&pp, data, sizeof (struct sbecom_port_param))) |
| 597 | return -EFAULT; |
| 598 | ci = get_ci_by_dev (ndev); |
| 599 | if (!ci) |
| 600 | return -EINVAL; |
| 601 | ret = mkret (c4_pld_rw (ci, &pp)); |
| 602 | if (ret) |
| 603 | return ret; |
| 604 | if (copy_to_user (data, &pp, sizeof (struct sbecom_port_param))) |
| 605 | return -EFAULT; |
| 606 | return 0; |
| 607 | } |
| 608 | |
| 609 | /* set the specified register with the given value / or just read it */ |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 610 | static status_t |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 611 | do_musycc_rw (struct net_device *ndev, void *data) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 612 | { |
| 613 | struct c4_musycc_param mp; |
| 614 | ci_t *ci; |
| 615 | int ret; |
| 616 | |
| 617 | if (copy_from_user (&mp, data, sizeof (struct c4_musycc_param))) |
| 618 | return -EFAULT; |
| 619 | ci = get_ci_by_dev (ndev); |
| 620 | if (!ci) |
| 621 | return -EINVAL; |
| 622 | ret = mkret (c4_musycc_rw (ci, &mp)); |
| 623 | if (ret) |
| 624 | return ret; |
| 625 | if (copy_to_user (data, &mp, sizeof (struct c4_musycc_param))) |
| 626 | return -EFAULT; |
| 627 | return 0; |
| 628 | } |
| 629 | |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 630 | static status_t |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 631 | do_get_chan (struct net_device *ndev, void *data) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 632 | { |
| 633 | struct sbecom_chan_param cp; |
| 634 | int ret; |
| 635 | |
| 636 | if (copy_from_user (&cp, data, |
| 637 | sizeof (struct sbecom_chan_param))) |
| 638 | return -EFAULT; |
| 639 | |
| 640 | if ((ret = mkret (c4_get_chan (cp.channum, &cp)))) |
| 641 | return ret; |
| 642 | |
| 643 | if (copy_to_user (data, &cp, sizeof (struct sbecom_chan_param))) |
| 644 | return -EFAULT; |
| 645 | return 0; |
| 646 | } |
| 647 | |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 648 | static status_t |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 649 | do_set_chan (struct net_device *ndev, void *data) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 650 | { |
| 651 | struct sbecom_chan_param cp; |
| 652 | int ret; |
| 653 | ci_t *ci; |
| 654 | |
| 655 | if (copy_from_user (&cp, data, sizeof (struct sbecom_chan_param))) |
| 656 | return -EFAULT; |
| 657 | ci = get_ci_by_dev (ndev); |
| 658 | if (!ci) |
| 659 | return -EINVAL; |
| 660 | switch (ret = mkret (c4_set_chan (cp.channum, &cp))) |
| 661 | { |
| 662 | case 0: |
| 663 | return 0; |
| 664 | default: |
| 665 | return ret; |
| 666 | } |
| 667 | } |
| 668 | |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 669 | static status_t |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 670 | do_create_chan (struct net_device *ndev, void *data) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 671 | { |
| 672 | ci_t *ci; |
| 673 | struct net_device *dev; |
| 674 | struct sbecom_chan_param cp; |
| 675 | int ret; |
| 676 | |
| 677 | if (copy_from_user (&cp, data, sizeof (struct sbecom_chan_param))) |
| 678 | return -EFAULT; |
| 679 | ci = get_ci_by_dev (ndev); |
| 680 | if (!ci) |
| 681 | return -EINVAL; |
| 682 | dev = create_chan (ndev, ci, &cp); |
| 683 | if (!dev) |
| 684 | return -EBUSY; |
| 685 | ret = mkret (c4_new_chan (ci, cp.port, cp.channum, dev)); |
| 686 | if (ret) |
| 687 | { |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 688 | rtnl_unlock (); /* needed due to Ioctl calling sequence */ |
| 689 | unregister_hdlc_device (dev); |
| 690 | rtnl_lock (); /* needed due to Ioctl calling sequence */ |
| 691 | free_netdev (dev); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 692 | } |
| 693 | return ret; |
| 694 | } |
| 695 | |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 696 | static status_t |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 697 | do_get_chan_stats (struct net_device *ndev, void *data) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 698 | { |
| 699 | struct c4_chan_stats_wrap ccs; |
| 700 | int ret; |
| 701 | |
| 702 | if (copy_from_user (&ccs, data, |
| 703 | sizeof (struct c4_chan_stats_wrap))) |
| 704 | return -EFAULT; |
| 705 | switch (ret = mkret (c4_get_chan_stats (ccs.channum, &ccs.stats))) |
| 706 | { |
| 707 | case 0: |
| 708 | break; |
| 709 | default: |
| 710 | return ret; |
| 711 | } |
| 712 | if (copy_to_user (data, &ccs, |
| 713 | sizeof (struct c4_chan_stats_wrap))) |
| 714 | return -EFAULT; |
| 715 | return 0; |
| 716 | } |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 717 | static status_t |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 718 | do_set_loglevel (struct net_device *ndev, void *data) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 719 | { |
Greg Kroah-Hartman | b8b7399 | 2010-12-10 10:46:30 -0800 | [diff] [blame] | 720 | unsigned int cxt1e1_log_level; |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 721 | |
Greg Kroah-Hartman | b8b7399 | 2010-12-10 10:46:30 -0800 | [diff] [blame] | 722 | if (copy_from_user (&cxt1e1_log_level, data, sizeof (int))) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 723 | return -EFAULT; |
Greg Kroah-Hartman | b8b7399 | 2010-12-10 10:46:30 -0800 | [diff] [blame] | 724 | sbecom_set_loglevel (cxt1e1_log_level); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 725 | return 0; |
| 726 | } |
| 727 | |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 728 | static status_t |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 729 | do_deluser (struct net_device *ndev, int lockit) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 730 | { |
| 731 | if (ndev->flags & IFF_UP) |
| 732 | return -EBUSY; |
| 733 | |
| 734 | { |
| 735 | ci_t *ci; |
| 736 | mch_t *ch; |
| 737 | const struct c4_priv *priv; |
| 738 | int channum; |
| 739 | |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 740 | priv = (struct c4_priv *) dev_to_hdlc (ndev)->priv; |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 741 | ci = priv->ci; |
| 742 | channum = priv->channum; |
| 743 | |
| 744 | ch = c4_find_chan (channum); |
| 745 | if (ch == NULL) |
| 746 | return -ENOENT; |
Sachin Kamat | 86a3cda | 2013-09-27 09:36:31 +0530 | [diff] [blame] | 747 | ch->user = NULL; /* will be freed, below */ |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 748 | } |
| 749 | |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 750 | if (lockit) |
| 751 | rtnl_unlock (); /* needed if Ioctl calling sequence */ |
| 752 | unregister_hdlc_device (ndev); |
| 753 | if (lockit) |
| 754 | rtnl_lock (); /* needed if Ioctl calling sequence */ |
| 755 | free_netdev (ndev); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 756 | return 0; |
| 757 | } |
| 758 | |
| 759 | int |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 760 | do_del_chan (struct net_device *musycc_dev, void *data) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 761 | { |
| 762 | struct sbecom_chan_param cp; |
| 763 | char buf[sizeof (CHANNAME) + 3]; |
| 764 | struct net_device *dev; |
| 765 | int ret; |
| 766 | |
| 767 | if (copy_from_user (&cp, data, |
| 768 | sizeof (struct sbecom_chan_param))) |
| 769 | return -EFAULT; |
Dan Carpenter | 96a8d14 | 2013-01-24 09:41:43 +0300 | [diff] [blame] | 770 | if (cp.channum > 999) |
| 771 | return -EINVAL; |
| 772 | snprintf (buf, sizeof(buf), CHANNAME "%d", cp.channum); |
Ying Xue | bdffbb8 | 2014-01-15 10:23:36 +0800 | [diff] [blame] | 773 | dev = __dev_get_by_name(&init_net, buf); |
| 774 | if (!dev) |
| 775 | return -ENODEV; |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 776 | ret = do_deluser (dev, 1); |
| 777 | if (ret) |
| 778 | return ret; |
| 779 | return c4_del_chan (cp.channum); |
| 780 | } |
| 781 | int c4_reset_board (void *); |
| 782 | |
| 783 | int |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 784 | do_reset (struct net_device *musycc_dev, void *data) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 785 | { |
| 786 | const struct c4_priv *priv; |
| 787 | int i; |
| 788 | |
| 789 | for (i = 0; i < 128; i++) |
| 790 | { |
| 791 | struct net_device *ndev; |
| 792 | char buf[sizeof (CHANNAME) + 3]; |
| 793 | |
| 794 | sprintf (buf, CHANNAME "%d", i); |
Ying Xue | bdffbb8 | 2014-01-15 10:23:36 +0800 | [diff] [blame] | 795 | ndev = __dev_get_by_name(&init_net, buf); |
| 796 | if (!ndev) |
| 797 | continue; |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 798 | priv = dev_to_hdlc (ndev)->priv; |
| 799 | |
| 800 | if ((unsigned long) (priv->ci) == |
| 801 | (unsigned long) (netdev_priv(musycc_dev))) |
| 802 | { |
| 803 | ndev->flags &= ~IFF_UP; |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 804 | netif_stop_queue (ndev); |
| 805 | do_deluser (ndev, 1); |
Ying Xue | bdffbb8 | 2014-01-15 10:23:36 +0800 | [diff] [blame] | 806 | } |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 807 | } |
| 808 | return 0; |
| 809 | } |
| 810 | |
| 811 | int |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 812 | do_reset_chan_stats (struct net_device *musycc_dev, void *data) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 813 | { |
| 814 | struct sbecom_chan_param cp; |
| 815 | |
| 816 | if (copy_from_user (&cp, data, |
| 817 | sizeof (struct sbecom_chan_param))) |
| 818 | return -EFAULT; |
| 819 | return mkret (c4_del_chan_stats (cp.channum)); |
| 820 | } |
| 821 | |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 822 | static status_t |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 823 | c4_ioctl (struct net_device *ndev, struct ifreq *ifr, int cmd) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 824 | { |
| 825 | ci_t *ci; |
| 826 | void *data; |
| 827 | int iocmd, iolen; |
| 828 | status_t ret; |
| 829 | static struct data |
| 830 | { |
| 831 | union |
| 832 | { |
| 833 | u_int8_t c; |
| 834 | u_int32_t i; |
| 835 | struct sbe_brd_info bip; |
| 836 | struct sbe_drv_info dip; |
| 837 | struct sbe_iid_info iip; |
| 838 | struct sbe_brd_addr bap; |
| 839 | struct sbecom_chan_stats stats; |
| 840 | struct sbecom_chan_param param; |
| 841 | struct temux_card_stats cards; |
| 842 | struct sbecom_card_param cardp; |
| 843 | struct sbecom_framer_param frp; |
| 844 | } u; |
| 845 | } arg; |
| 846 | |
| 847 | |
| 848 | if (!capable (CAP_SYS_ADMIN)) |
| 849 | return -EPERM; |
| 850 | if (cmd != SIOCDEVPRIVATE + 15) |
| 851 | return -EINVAL; |
| 852 | if (!(ci = get_ci_by_dev (ndev))) |
| 853 | return -EINVAL; |
| 854 | if (ci->state != C_RUNNING) |
| 855 | return -ENODEV; |
| 856 | if (copy_from_user (&iocmd, ifr->ifr_data, sizeof (iocmd))) |
| 857 | return -EFAULT; |
| 858 | #if 0 |
| 859 | if (copy_from_user (&len, ifr->ifr_data + sizeof (iocmd), sizeof (len))) |
| 860 | return -EFAULT; |
| 861 | #endif |
| 862 | |
| 863 | #if 0 |
Joe Perches | 694a980 | 2010-05-03 12:33:16 -0700 | [diff] [blame] | 864 | pr_info("c4_ioctl: iocmd %x, dir %x type %x nr %x iolen %d.\n", iocmd, |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 865 | _IOC_DIR (iocmd), _IOC_TYPE (iocmd), _IOC_NR (iocmd), |
| 866 | _IOC_SIZE (iocmd)); |
| 867 | #endif |
| 868 | iolen = _IOC_SIZE (iocmd); |
| 869 | data = ifr->ifr_data + sizeof (iocmd); |
| 870 | if (copy_from_user (&arg, data, iolen)) |
| 871 | return -EFAULT; |
| 872 | |
| 873 | ret = 0; |
| 874 | switch (iocmd) |
| 875 | { |
| 876 | case SBE_IOC_PORT_GET: |
Joe Perches | 694a980 | 2010-05-03 12:33:16 -0700 | [diff] [blame] | 877 | //pr_info(">> SBE_IOC_PORT_GET Ioctl...\n"); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 878 | ret = do_get_port (ndev, data); |
| 879 | break; |
| 880 | case SBE_IOC_PORT_SET: |
Joe Perches | 694a980 | 2010-05-03 12:33:16 -0700 | [diff] [blame] | 881 | //pr_info(">> SBE_IOC_PORT_SET Ioctl...\n"); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 882 | ret = do_set_port (ndev, data); |
| 883 | break; |
| 884 | case SBE_IOC_CHAN_GET: |
Joe Perches | 694a980 | 2010-05-03 12:33:16 -0700 | [diff] [blame] | 885 | //pr_info(">> SBE_IOC_CHAN_GET Ioctl...\n"); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 886 | ret = do_get_chan (ndev, data); |
| 887 | break; |
| 888 | case SBE_IOC_CHAN_SET: |
Joe Perches | 694a980 | 2010-05-03 12:33:16 -0700 | [diff] [blame] | 889 | //pr_info(">> SBE_IOC_CHAN_SET Ioctl...\n"); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 890 | ret = do_set_chan (ndev, data); |
| 891 | break; |
| 892 | case C4_DEL_CHAN: |
Joe Perches | 694a980 | 2010-05-03 12:33:16 -0700 | [diff] [blame] | 893 | //pr_info(">> C4_DEL_CHAN Ioctl...\n"); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 894 | ret = do_del_chan (ndev, data); |
| 895 | break; |
| 896 | case SBE_IOC_CHAN_NEW: |
| 897 | ret = do_create_chan (ndev, data); |
| 898 | break; |
| 899 | case SBE_IOC_CHAN_GET_STAT: |
| 900 | ret = do_get_chan_stats (ndev, data); |
| 901 | break; |
| 902 | case SBE_IOC_LOGLEVEL: |
| 903 | ret = do_set_loglevel (ndev, data); |
| 904 | break; |
| 905 | case SBE_IOC_RESET_DEV: |
| 906 | ret = do_reset (ndev, data); |
| 907 | break; |
| 908 | case SBE_IOC_CHAN_DEL_STAT: |
| 909 | ret = do_reset_chan_stats (ndev, data); |
| 910 | break; |
| 911 | case C4_LOOP_PORT: |
| 912 | ret = do_port_loop (ndev, data); |
| 913 | break; |
| 914 | case C4_RW_FRMR: |
| 915 | ret = do_framer_rw (ndev, data); |
| 916 | break; |
| 917 | case C4_RW_MSYC: |
| 918 | ret = do_musycc_rw (ndev, data); |
| 919 | break; |
| 920 | case C4_RW_PLD: |
| 921 | ret = do_pld_rw (ndev, data); |
| 922 | break; |
| 923 | case SBE_IOC_IID_GET: |
| 924 | ret = (iolen == sizeof (struct sbe_iid_info)) ? c4_get_iidinfo (ci, &arg.u.iip) : -EFAULT; |
| 925 | if (ret == 0) /* no error, copy data */ |
| 926 | if (copy_to_user (data, &arg, iolen)) |
| 927 | return -EFAULT; |
| 928 | break; |
| 929 | default: |
Joe Perches | 694a980 | 2010-05-03 12:33:16 -0700 | [diff] [blame] | 930 | //pr_info(">> c4_ioctl: EINVAL - unknown iocmd <%x>\n", iocmd); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 931 | ret = -EINVAL; |
| 932 | break; |
| 933 | } |
| 934 | return mkret (ret); |
| 935 | } |
| 936 | |
| 937 | static const struct net_device_ops c4_ops = { |
| 938 | .ndo_open = void_open, |
| 939 | .ndo_start_xmit = c4_linux_xmit, |
| 940 | .ndo_do_ioctl = c4_ioctl, |
| 941 | }; |
| 942 | |
| 943 | static void c4_setup(struct net_device *dev) |
| 944 | { |
| 945 | dev->type = ARPHRD_VOID; |
| 946 | dev->netdev_ops = &c4_ops; |
| 947 | } |
| 948 | |
| 949 | struct net_device *__init |
Dulshani Gunawardhana | ee1803c | 2013-05-22 23:29:26 +0530 | [diff] [blame] | 950 | c4_add_dev (hdw_info_t *hi, int brdno, unsigned long f0, unsigned long f1, |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 951 | int irq0, int irq1) |
| 952 | { |
| 953 | struct net_device *ndev; |
| 954 | ci_t *ci; |
| 955 | |
| 956 | ndev = alloc_netdev(sizeof(ci_t), SBE_IFACETMPL, c4_setup); |
| 957 | if (!ndev) |
| 958 | { |
Joe Perches | e6e4d05 | 2010-05-03 11:02:44 -0700 | [diff] [blame] | 959 | pr_warning("%s: no memory for struct net_device !\n", hi->devname); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 960 | error_flag = ENOMEM; |
Sachin Kamat | 86a3cda | 2013-09-27 09:36:31 +0530 | [diff] [blame] | 961 | return NULL; |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 962 | } |
| 963 | ci = (ci_t *)(netdev_priv(ndev)); |
| 964 | ndev->irq = irq0; |
| 965 | |
| 966 | ci->hdw_info = hi; |
| 967 | ci->state = C_INIT; /* mark as hardware not available */ |
| 968 | ci->next = c4_list; |
| 969 | c4_list = ci; |
| 970 | ci->brdno = ci->next ? ci->next->brdno + 1 : 0; |
| 971 | |
Sachin Kamat | 86a3cda | 2013-09-27 09:36:31 +0530 | [diff] [blame] | 972 | if (!CI) |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 973 | CI = ci; /* DEBUG, only board 0 usage */ |
| 974 | |
| 975 | strcpy (ci->devname, hi->devname); |
| 976 | ci->release = &pmcc4_OSSI_release[0]; |
| 977 | |
| 978 | /* tasklet */ |
| 979 | #if defined(SBE_ISR_TASKLET) |
| 980 | tasklet_init (&ci->ci_musycc_isr_tasklet, |
| 981 | (void (*) (unsigned long)) musycc_intr_bh_tasklet, |
| 982 | (unsigned long) ci); |
| 983 | |
| 984 | if (atomic_read (&ci->ci_musycc_isr_tasklet.count) == 0) |
| 985 | tasklet_disable_nosync (&ci->ci_musycc_isr_tasklet); |
| 986 | #elif defined(SBE_ISR_IMMEDIATE) |
| 987 | ci->ci_musycc_isr_tq.routine = (void *) (unsigned long) musycc_intr_bh_tasklet; |
| 988 | ci->ci_musycc_isr_tq.data = ci; |
| 989 | #endif |
| 990 | |
| 991 | |
| 992 | if (register_netdev (ndev) || |
| 993 | (c4_init (ci, (u_char *) f0, (u_char *) f1) != SBE_DRVR_SUCCESS)) |
| 994 | { |
| 995 | OS_kfree (netdev_priv(ndev)); |
| 996 | OS_kfree (ndev); |
| 997 | error_flag = ENODEV; |
Sachin Kamat | 86a3cda | 2013-09-27 09:36:31 +0530 | [diff] [blame] | 998 | return NULL; |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 999 | } |
| 1000 | /************************************************************* |
| 1001 | * int request_irq(unsigned int irq, |
| 1002 | * void (*handler)(int, void *, struct pt_regs *), |
| 1003 | * unsigned long flags, const char *dev_name, void *dev_id); |
| 1004 | * wherein: |
| 1005 | * irq -> The interrupt number that is being requested. |
| 1006 | * handler -> Pointer to handling function being installed. |
| 1007 | * flags -> A bit mask of options related to interrupt management. |
| 1008 | * dev_name -> String used in /proc/interrupts to show owner of interrupt. |
| 1009 | * dev_id -> Pointer (for shared interrupt lines) to point to its own |
| 1010 | * private data area (to identify which device is interrupting). |
| 1011 | * |
| 1012 | * extern void free_irq(unsigned int irq, void *dev_id); |
| 1013 | **************************************************************/ |
| 1014 | |
| 1015 | if (request_irq (irq0, &c4_linux_interrupt, |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 1016 | IRQF_SHARED, |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 1017 | ndev->name, ndev)) |
| 1018 | { |
Joe Perches | e6e4d05 | 2010-05-03 11:02:44 -0700 | [diff] [blame] | 1019 | pr_warning("%s: MUSYCC could not get irq: %d\n", ndev->name, irq0); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 1020 | unregister_netdev (ndev); |
| 1021 | OS_kfree (netdev_priv(ndev)); |
| 1022 | OS_kfree (ndev); |
| 1023 | error_flag = EIO; |
Sachin Kamat | 86a3cda | 2013-09-27 09:36:31 +0530 | [diff] [blame] | 1024 | return NULL; |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 1025 | } |
| 1026 | #ifdef CONFIG_SBE_PMCC4_NCOMM |
| 1027 | if (request_irq (irq1, &c4_ebus_interrupt, IRQF_SHARED, ndev->name, ndev)) |
| 1028 | { |
Joe Perches | e6e4d05 | 2010-05-03 11:02:44 -0700 | [diff] [blame] | 1029 | pr_warning("%s: EBUS could not get irq: %d\n", hi->devname, irq1); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 1030 | unregister_netdev (ndev); |
| 1031 | free_irq (irq0, ndev); |
Randy Dunlap | d87d909 | 2010-04-30 10:07:12 -0700 | [diff] [blame] | 1032 | OS_kfree (netdev_priv(ndev)); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 1033 | OS_kfree (ndev); |
| 1034 | error_flag = EIO; |
Sachin Kamat | 86a3cda | 2013-09-27 09:36:31 +0530 | [diff] [blame] | 1035 | return NULL; |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 1036 | } |
| 1037 | #endif |
| 1038 | |
| 1039 | /* setup board identification information */ |
| 1040 | |
| 1041 | { |
| 1042 | u_int32_t tmp; |
| 1043 | |
| 1044 | hdw_sn_get (hi, brdno); /* also sets PROM format type (promfmt) |
| 1045 | * for later usage */ |
| 1046 | |
| 1047 | switch (hi->promfmt) |
| 1048 | { |
| 1049 | case PROM_FORMAT_TYPE1: |
| 1050 | memcpy (ndev->dev_addr, (FLD_TYPE1 *) (hi->mfg_info.pft1.Serial), 6); |
| 1051 | memcpy (&tmp, (FLD_TYPE1 *) (hi->mfg_info.pft1.Id), 4); /* unaligned data |
| 1052 | * acquisition */ |
| 1053 | ci->brd_id = cpu_to_be32 (tmp); |
| 1054 | break; |
| 1055 | case PROM_FORMAT_TYPE2: |
| 1056 | memcpy (ndev->dev_addr, (FLD_TYPE2 *) (hi->mfg_info.pft2.Serial), 6); |
| 1057 | memcpy (&tmp, (FLD_TYPE2 *) (hi->mfg_info.pft2.Id), 4); /* unaligned data |
| 1058 | * acquisition */ |
| 1059 | ci->brd_id = cpu_to_be32 (tmp); |
| 1060 | break; |
| 1061 | default: |
| 1062 | ci->brd_id = 0; |
| 1063 | memset (ndev->dev_addr, 0, 6); |
| 1064 | break; |
| 1065 | } |
| 1066 | |
| 1067 | #if 1 |
| 1068 | sbeid_set_hdwbid (ci); /* requires bid to be preset */ |
| 1069 | #else |
| 1070 | sbeid_set_bdtype (ci); /* requires hdw_bid to be preset */ |
| 1071 | #endif |
| 1072 | |
| 1073 | } |
| 1074 | |
| 1075 | #ifdef CONFIG_PROC_FS |
| 1076 | sbecom_proc_brd_init (ci); |
| 1077 | #endif |
| 1078 | #if defined(SBE_ISR_TASKLET) |
| 1079 | tasklet_enable (&ci->ci_musycc_isr_tasklet); |
| 1080 | #endif |
| 1081 | |
| 1082 | |
| 1083 | if ((error_flag = c4_init2 (ci)) != SBE_DRVR_SUCCESS) |
| 1084 | { |
| 1085 | #ifdef CONFIG_PROC_FS |
| 1086 | sbecom_proc_brd_cleanup (ci); |
| 1087 | #endif |
| 1088 | unregister_netdev (ndev); |
| 1089 | free_irq (irq1, ndev); |
| 1090 | free_irq (irq0, ndev); |
| 1091 | OS_kfree (netdev_priv(ndev)); |
| 1092 | OS_kfree (ndev); |
Sachin Kamat | 86a3cda | 2013-09-27 09:36:31 +0530 | [diff] [blame] | 1093 | return NULL; /* failure, error_flag is set */ |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 1094 | } |
| 1095 | return ndev; |
| 1096 | } |
| 1097 | |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 1098 | static int __init |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 1099 | c4_mod_init (void) |
| 1100 | { |
| 1101 | int rtn; |
| 1102 | |
Joe Perches | e6e4d05 | 2010-05-03 11:02:44 -0700 | [diff] [blame] | 1103 | pr_warning("%s\n", pmcc4_OSSI_release); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 1104 | if ((rtn = c4hw_attach_all ())) |
| 1105 | return -rtn; /* installation failure - see system log */ |
| 1106 | |
| 1107 | /* housekeeping notifications */ |
Greg Kroah-Hartman | b8b7399 | 2010-12-10 10:46:30 -0800 | [diff] [blame] | 1108 | if (cxt1e1_log_level != log_level_default) |
| 1109 | pr_info("NOTE: driver parameter <cxt1e1_log_level> changed from default %d to %d.\n", |
| 1110 | log_level_default, cxt1e1_log_level); |
Bob Beers | c694ed8 | 2010-10-16 18:06:36 -0400 | [diff] [blame] | 1111 | if (cxt1e1_max_mru != max_mru_default) |
| 1112 | pr_info("NOTE: driver parameter <cxt1e1_max_mru> changed from default %d to %d.\n", |
| 1113 | max_mru_default, cxt1e1_max_mru); |
| 1114 | if (cxt1e1_max_mtu != max_mtu_default) |
| 1115 | pr_info("NOTE: driver parameter <cxt1e1_max_mtu> changed from default %d to %d.\n", |
| 1116 | max_mtu_default, cxt1e1_max_mtu); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 1117 | if (max_rxdesc_used != max_rxdesc_default) |
| 1118 | { |
| 1119 | if (max_rxdesc_used > 2000) |
| 1120 | max_rxdesc_used = 2000; /* out-of-bounds reset */ |
Joe Perches | e6e4d05 | 2010-05-03 11:02:44 -0700 | [diff] [blame] | 1121 | pr_info("NOTE: driver parameter <max_rxdesc_used> changed from default %d to %d.\n", |
| 1122 | max_rxdesc_default, max_rxdesc_used); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 1123 | } |
| 1124 | if (max_txdesc_used != max_txdesc_default) |
| 1125 | { |
| 1126 | if (max_txdesc_used > 1000) |
| 1127 | max_txdesc_used = 1000; /* out-of-bounds reset */ |
Joe Perches | e6e4d05 | 2010-05-03 11:02:44 -0700 | [diff] [blame] | 1128 | pr_info("NOTE: driver parameter <max_txdesc_used> changed from default %d to %d.\n", |
| 1129 | max_txdesc_default, max_txdesc_used); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 1130 | } |
| 1131 | return 0; /* installation success */ |
| 1132 | } |
| 1133 | |
| 1134 | |
| 1135 | /* |
| 1136 | * find any still allocated hdlc registrations and unregister via call to |
| 1137 | * do_deluser() |
| 1138 | */ |
| 1139 | |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 1140 | static void __exit |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 1141 | cleanup_hdlc (void) |
| 1142 | { |
| 1143 | hdw_info_t *hi; |
| 1144 | ci_t *ci; |
| 1145 | struct net_device *ndev; |
| 1146 | int i, j, k; |
| 1147 | |
| 1148 | for (i = 0, hi = hdw_info; i < MAX_BOARDS; i++, hi++) |
| 1149 | { |
| 1150 | if (hi->ndev) /* a board has been attached */ |
| 1151 | { |
| 1152 | ci = (ci_t *)(netdev_priv(hi->ndev)); |
| 1153 | for (j = 0; j < ci->max_port; j++) |
| 1154 | for (k = 0; k < MUSYCC_NCHANS; k++) |
| 1155 | if ((ndev = ci->port[j].chan[k]->user)) |
| 1156 | { |
| 1157 | do_deluser (ndev, 0); |
| 1158 | } |
| 1159 | } |
| 1160 | } |
| 1161 | } |
| 1162 | |
| 1163 | |
Shaun Laing | 37ca35c | 2013-08-09 07:54:24 -0600 | [diff] [blame] | 1164 | static void __exit |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 1165 | c4_mod_remove (void) |
| 1166 | { |
Devendra Naga | 21aac2c | 2012-09-02 02:29:51 +0530 | [diff] [blame] | 1167 | cleanup_hdlc(); /* delete any missed channels */ |
| 1168 | cleanup_devs(); |
| 1169 | c4_cleanup(); |
| 1170 | cleanup_ioremap(); |
| 1171 | pr_info("SBE - driver removed.\n"); |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 1172 | } |
| 1173 | |
| 1174 | module_init (c4_mod_init); |
| 1175 | module_exit (c4_mod_remove); |
| 1176 | |
Bob Beers | 50ee11f | 2010-03-04 08:40:46 -0500 | [diff] [blame] | 1177 | MODULE_AUTHOR ("SBE Technical Services <support@sbei.com>"); |
| 1178 | MODULE_DESCRIPTION ("wanPCI-CxT1E1 Generic HDLC WAN Driver module"); |
| 1179 | #ifdef MODULE_LICENSE |
| 1180 | MODULE_LICENSE ("GPL"); |
| 1181 | #endif |
| 1182 | |
| 1183 | /*** End-of-File ***/ |