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1da177e4 LT |
1 | /*============================================================================= |
2 | * | |
3 | * A PCMCIA client driver for the Raylink wireless LAN card. | |
4 | * The starting point for this module was the skeleton.c in the | |
5 | * PCMCIA 2.9.12 package written by David Hinds, dahinds@users.sourceforge.net | |
6 | * | |
7 | * | |
8 | * Copyright (c) 1998 Corey Thomas (corey@world.std.com) | |
9 | * | |
10 | * This driver is free software; you can redistribute it and/or modify | |
141fa61f | 11 | * it under the terms of version 2 only of the GNU General Public License as |
1da177e4 LT |
12 | * published by the Free Software Foundation. |
13 | * | |
14 | * It is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA | |
22 | * | |
23 | * Changes: | |
24 | * Arnaldo Carvalho de Melo <acme@conectiva.com.br> - 08/08/2000 | |
25 | * - reorganize kmallocs in ray_attach, checking all for failure | |
26 | * and releasing the previous allocations if one fails | |
27 | * | |
28 | * Daniele Bellucci <bellucda@tiscali.it> - 07/10/2003 | |
29 | * - Audit copy_to_user in ioctl(SIOCGIWESSID) | |
141fa61f | 30 | * |
1da177e4 LT |
31 | =============================================================================*/ |
32 | ||
1da177e4 LT |
33 | #include <linux/module.h> |
34 | #include <linux/kernel.h> | |
35 | #include <linux/proc_fs.h> | |
36 | #include <linux/ptrace.h> | |
6b914c52 | 37 | #include <linux/seq_file.h> |
1da177e4 LT |
38 | #include <linux/string.h> |
39 | #include <linux/timer.h> | |
40 | #include <linux/init.h> | |
41 | #include <linux/netdevice.h> | |
42 | #include <linux/etherdevice.h> | |
43 | #include <linux/if_arp.h> | |
44 | #include <linux/ioport.h> | |
45 | #include <linux/skbuff.h> | |
46 | #include <linux/ethtool.h> | |
7698d697 | 47 | #include <linux/ieee80211.h> |
1da177e4 | 48 | |
1da177e4 LT |
49 | #include <pcmcia/cs_types.h> |
50 | #include <pcmcia/cs.h> | |
51 | #include <pcmcia/cistpl.h> | |
52 | #include <pcmcia/cisreg.h> | |
53 | #include <pcmcia/ds.h> | |
54 | #include <pcmcia/mem_op.h> | |
55 | ||
56 | #include <linux/wireless.h> | |
113b898e | 57 | #include <net/iw_handler.h> |
1da177e4 LT |
58 | |
59 | #include <asm/io.h> | |
60 | #include <asm/system.h> | |
61 | #include <asm/byteorder.h> | |
62 | #include <asm/uaccess.h> | |
63 | ||
64 | /* Warning : these stuff will slow down the driver... */ | |
65 | #define WIRELESS_SPY /* Enable spying addresses */ | |
66 | /* Definitions we need for spy */ | |
141fa61f JD |
67 | typedef struct iw_statistics iw_stats; |
68 | typedef u_char mac_addr[ETH_ALEN]; /* Hardware address */ | |
1da177e4 LT |
69 | |
70 | #include "rayctl.h" | |
71 | #include "ray_cs.h" | |
72 | ||
1da177e4 | 73 | |
1da177e4 | 74 | /** Prototypes based on PCMCIA skeleton driver *******************************/ |
15b99ac1 | 75 | static int ray_config(struct pcmcia_device *link); |
fba395ee | 76 | static void ray_release(struct pcmcia_device *link); |
cc3b4866 | 77 | static void ray_detach(struct pcmcia_device *p_dev); |
1da177e4 LT |
78 | |
79 | /***** Prototypes indicated by device structure ******************************/ | |
80 | static int ray_dev_close(struct net_device *dev); | |
81 | static int ray_dev_config(struct net_device *dev, struct ifmap *map); | |
82 | static struct net_device_stats *ray_get_stats(struct net_device *dev); | |
83 | static int ray_dev_init(struct net_device *dev); | |
1da177e4 | 84 | |
7282d491 | 85 | static const struct ethtool_ops netdev_ethtool_ops; |
1da177e4 LT |
86 | |
87 | static int ray_open(struct net_device *dev); | |
d0cf9c0d SH |
88 | static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb, |
89 | struct net_device *dev); | |
1da177e4 LT |
90 | static void set_multicast_list(struct net_device *dev); |
91 | static void ray_update_multi_list(struct net_device *dev, int all); | |
92 | static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx, | |
141fa61f JD |
93 | unsigned char *data, int len); |
94 | static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx, | |
95 | UCHAR msg_type, unsigned char *data); | |
1da177e4 | 96 | static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len); |
141fa61f JD |
97 | static iw_stats *ray_get_wireless_stats(struct net_device *dev); |
98 | static const struct iw_handler_def ray_handler_def; | |
1da177e4 LT |
99 | |
100 | /***** Prototypes for raylink functions **************************************/ | |
101 | static int asc_to_int(char a); | |
102 | static void authenticate(ray_dev_t *local); | |
103 | static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type); | |
104 | static void authenticate_timeout(u_long); | |
105 | static int get_free_ccs(ray_dev_t *local); | |
106 | static int get_free_tx_ccs(ray_dev_t *local); | |
107 | static void init_startup_params(ray_dev_t *local); | |
108 | static int parse_addr(char *in_str, UCHAR *out); | |
141fa61f | 109 | static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev, UCHAR type); |
1da177e4 LT |
110 | static int ray_init(struct net_device *dev); |
111 | static int interrupt_ecf(ray_dev_t *local, int ccs); | |
112 | static void ray_reset(struct net_device *dev); | |
113 | static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len); | |
114 | static void verify_dl_startup(u_long); | |
115 | ||
116 | /* Prototypes for interrpt time functions **********************************/ | |
141fa61f | 117 | static irqreturn_t ray_interrupt(int reg, void *dev_id); |
1da177e4 | 118 | static void clear_interrupt(ray_dev_t *local); |
141fa61f JD |
119 | static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs, |
120 | unsigned int pkt_addr, int rx_len); | |
1da177e4 LT |
121 | static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int len); |
122 | static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs); | |
123 | static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs); | |
124 | static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs, | |
141fa61f JD |
125 | unsigned int pkt_addr, int rx_len); |
126 | static void rx_data(struct net_device *dev, struct rcs __iomem *prcs, | |
127 | unsigned int pkt_addr, int rx_len); | |
1da177e4 LT |
128 | static void associate(ray_dev_t *local); |
129 | ||
130 | /* Card command functions */ | |
131 | static int dl_startup_params(struct net_device *dev); | |
132 | static void join_net(u_long local); | |
133 | static void start_net(u_long local); | |
134 | /* void start_net(ray_dev_t *local); */ | |
135 | ||
136 | /*===========================================================================*/ | |
137 | /* Parameters that can be set with 'insmod' */ | |
138 | ||
139 | /* ADHOC=0, Infrastructure=1 */ | |
140 | static int net_type = ADHOC; | |
141 | ||
142 | /* Hop dwell time in Kus (1024 us units defined by 802.11) */ | |
143 | static int hop_dwell = 128; | |
144 | ||
145 | /* Beacon period in Kus */ | |
146 | static int beacon_period = 256; | |
147 | ||
148 | /* power save mode (0 = off, 1 = save power) */ | |
149 | static int psm; | |
150 | ||
151 | /* String for network's Extended Service Set ID. 32 Characters max */ | |
152 | static char *essid; | |
153 | ||
154 | /* Default to encapsulation unless translation requested */ | |
155 | static int translate = 1; | |
156 | ||
157 | static int country = USA; | |
158 | ||
159 | static int sniffer; | |
160 | ||
161 | static int bc; | |
162 | ||
163 | /* 48 bit physical card address if overriding card's real physical | |
164 | * address is required. Since IEEE 802.11 addresses are 48 bits | |
165 | * like ethernet, an int can't be used, so a string is used. To | |
166 | * allow use of addresses starting with a decimal digit, the first | |
167 | * character must be a letter and will be ignored. This letter is | |
168 | * followed by up to 12 hex digits which are the address. If less | |
169 | * than 12 digits are used, the address will be left filled with 0's. | |
170 | * Note that bit 0 of the first byte is the broadcast bit, and evil | |
171 | * things will happen if it is not 0 in a card address. | |
172 | */ | |
173 | static char *phy_addr = NULL; | |
174 | ||
175 | ||
fba395ee | 176 | /* A struct pcmcia_device structure has fields for most things that are needed |
1da177e4 LT |
177 | to keep track of a socket, but there will usually be some device |
178 | specific information that also needs to be kept track of. The | |
fba395ee | 179 | 'priv' pointer in a struct pcmcia_device structure can be used to point to |
1da177e4 LT |
180 | a device-specific private data structure, like this. |
181 | */ | |
182 | static unsigned int ray_mem_speed = 500; | |
183 | ||
fd238232 DB |
184 | /* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */ |
185 | static struct pcmcia_device *this_device = NULL; | |
186 | ||
1da177e4 LT |
187 | MODULE_AUTHOR("Corey Thomas <corey@world.std.com>"); |
188 | MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver"); | |
189 | MODULE_LICENSE("GPL"); | |
190 | ||
191 | module_param(net_type, int, 0); | |
192 | module_param(hop_dwell, int, 0); | |
193 | module_param(beacon_period, int, 0); | |
194 | module_param(psm, int, 0); | |
195 | module_param(essid, charp, 0); | |
196 | module_param(translate, int, 0); | |
197 | module_param(country, int, 0); | |
198 | module_param(sniffer, int, 0); | |
199 | module_param(bc, int, 0); | |
200 | module_param(phy_addr, charp, 0); | |
201 | module_param(ray_mem_speed, int, 0); | |
202 | ||
203 | static UCHAR b5_default_startup_parms[] = { | |
141fa61f JD |
204 | 0, 0, /* Adhoc station */ |
205 | 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */ | |
206 | 0, 0, 0, 0, 0, 0, 0, 0, | |
207 | 0, 0, 0, 0, 0, 0, 0, 0, | |
208 | 0, 0, 0, 0, 0, 0, 0, 0, | |
209 | 1, 0, /* Active scan, CA Mode */ | |
210 | 0, 0, 0, 0, 0, 0, /* No default MAC addr */ | |
211 | 0x7f, 0xff, /* Frag threshold */ | |
212 | 0x00, 0x80, /* Hop time 128 Kus */ | |
213 | 0x01, 0x00, /* Beacon period 256 Kus */ | |
214 | 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */ | |
215 | 0x1d, 0x82, 0x4e, /* SIFS, DIFS, PIFS */ | |
216 | 0x7f, 0xff, /* RTS threshold */ | |
217 | 0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */ | |
218 | 0x05, /* assoc resp timeout thresh */ | |
219 | 0x08, 0x02, 0x08, /* adhoc, infra, super cycle max */ | |
220 | 0, /* Promiscuous mode */ | |
221 | 0x0c, 0x0bd, /* Unique word */ | |
222 | 0x32, /* Slot time */ | |
223 | 0xff, 0xff, /* roam-low snr, low snr count */ | |
224 | 0x05, 0xff, /* Infra, adhoc missed bcn thresh */ | |
225 | 0x01, 0x0b, 0x4f, /* USA, hop pattern, hop pat length */ | |
1da177e4 | 226 | /* b4 - b5 differences start here */ |
141fa61f JD |
227 | 0x00, 0x3f, /* CW max */ |
228 | 0x00, 0x0f, /* CW min */ | |
229 | 0x04, 0x08, /* Noise gain, limit offset */ | |
230 | 0x28, 0x28, /* det rssi, med busy offsets */ | |
231 | 7, /* det sync thresh */ | |
232 | 0, 2, 2, /* test mode, min, max */ | |
233 | 0, /* allow broadcast SSID probe resp */ | |
234 | 0, 0, /* privacy must start, can join */ | |
235 | 2, 0, 0, 0, 0, 0, 0, 0 /* basic rate set */ | |
1da177e4 LT |
236 | }; |
237 | ||
238 | static UCHAR b4_default_startup_parms[] = { | |
141fa61f JD |
239 | 0, 0, /* Adhoc station */ |
240 | 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */ | |
241 | 0, 0, 0, 0, 0, 0, 0, 0, | |
242 | 0, 0, 0, 0, 0, 0, 0, 0, | |
243 | 0, 0, 0, 0, 0, 0, 0, 0, | |
244 | 1, 0, /* Active scan, CA Mode */ | |
245 | 0, 0, 0, 0, 0, 0, /* No default MAC addr */ | |
246 | 0x7f, 0xff, /* Frag threshold */ | |
247 | 0x02, 0x00, /* Hop time */ | |
248 | 0x00, 0x01, /* Beacon period */ | |
249 | 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */ | |
250 | 0x1d, 0x82, 0xce, /* SIFS, DIFS, PIFS */ | |
251 | 0x7f, 0xff, /* RTS threshold */ | |
252 | 0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */ | |
253 | 0x05, /* assoc resp timeout thresh */ | |
254 | 0x04, 0x02, 0x4, /* adhoc, infra, super cycle max */ | |
255 | 0, /* Promiscuous mode */ | |
256 | 0x0c, 0x0bd, /* Unique word */ | |
257 | 0x4e, /* Slot time (TBD seems wrong) */ | |
258 | 0xff, 0xff, /* roam-low snr, low snr count */ | |
259 | 0x05, 0xff, /* Infra, adhoc missed bcn thresh */ | |
260 | 0x01, 0x0b, 0x4e, /* USA, hop pattern, hop pat length */ | |
1da177e4 | 261 | /* b4 - b5 differences start here */ |
141fa61f JD |
262 | 0x3f, 0x0f, /* CW max, min */ |
263 | 0x04, 0x08, /* Noise gain, limit offset */ | |
264 | 0x28, 0x28, /* det rssi, med busy offsets */ | |
265 | 7, /* det sync thresh */ | |
266 | 0, 2, 2 /* test mode, min, max */ | |
1da177e4 | 267 | }; |
141fa61f | 268 | |
1da177e4 | 269 | /*===========================================================================*/ |
141fa61f | 270 | static unsigned char eth2_llc[] = { 0xaa, 0xaa, 3, 0, 0, 0 }; |
1da177e4 LT |
271 | |
272 | static char hop_pattern_length[] = { 1, | |
141fa61f JD |
273 | USA_HOP_MOD, EUROPE_HOP_MOD, |
274 | JAPAN_HOP_MOD, KOREA_HOP_MOD, | |
275 | SPAIN_HOP_MOD, FRANCE_HOP_MOD, | |
276 | ISRAEL_HOP_MOD, AUSTRALIA_HOP_MOD, | |
277 | JAPAN_TEST_HOP_MOD | |
1da177e4 LT |
278 | }; |
279 | ||
141fa61f JD |
280 | static char rcsid[] = |
281 | "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>"; | |
1da177e4 | 282 | |
32f5a330 SH |
283 | static const struct net_device_ops ray_netdev_ops = { |
284 | .ndo_init = ray_dev_init, | |
285 | .ndo_open = ray_open, | |
286 | .ndo_stop = ray_dev_close, | |
287 | .ndo_start_xmit = ray_dev_start_xmit, | |
288 | .ndo_set_config = ray_dev_config, | |
289 | .ndo_get_stats = ray_get_stats, | |
290 | .ndo_set_multicast_list = set_multicast_list, | |
291 | .ndo_change_mtu = eth_change_mtu, | |
292 | .ndo_set_mac_address = eth_mac_addr, | |
293 | .ndo_validate_addr = eth_validate_addr, | |
294 | }; | |
295 | ||
1da177e4 LT |
296 | /*============================================================================= |
297 | ray_attach() creates an "instance" of the driver, allocating | |
298 | local data structures for one device. The device is registered | |
299 | with Card Services. | |
300 | The dev_link structure is initialized, but we don't actually | |
301 | configure the card at this point -- we wait until we receive a | |
302 | card insertion event. | |
303 | =============================================================================*/ | |
15b99ac1 | 304 | static int ray_probe(struct pcmcia_device *p_dev) |
1da177e4 | 305 | { |
141fa61f JD |
306 | ray_dev_t *local; |
307 | struct net_device *dev; | |
308 | ||
624dd669 | 309 | dev_dbg(&p_dev->dev, "ray_attach()\n"); |
141fa61f JD |
310 | |
311 | /* Allocate space for private device-specific data */ | |
312 | dev = alloc_etherdev(sizeof(ray_dev_t)); | |
313 | if (!dev) | |
314 | goto fail_alloc_dev; | |
315 | ||
316 | local = netdev_priv(dev); | |
317 | local->finder = p_dev; | |
318 | ||
319 | /* The io structure describes IO port mapping. None used here */ | |
320 | p_dev->io.NumPorts1 = 0; | |
321 | p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8; | |
322 | p_dev->io.IOAddrLines = 5; | |
323 | ||
141fa61f JD |
324 | /* General socket configuration */ |
325 | p_dev->conf.Attributes = CONF_ENABLE_IRQ; | |
326 | p_dev->conf.IntType = INT_MEMORY_AND_IO; | |
327 | p_dev->conf.ConfigIndex = 1; | |
328 | ||
329 | p_dev->priv = dev; | |
141fa61f JD |
330 | |
331 | local->finder = p_dev; | |
332 | local->card_status = CARD_INSERTED; | |
333 | local->authentication_state = UNAUTHENTICATED; | |
334 | local->num_multi = 0; | |
624dd669 | 335 | dev_dbg(&p_dev->dev, "ray_attach p_dev = %p, dev = %p, local = %p, intr = %p\n", |
141fa61f JD |
336 | p_dev, dev, local, &ray_interrupt); |
337 | ||
338 | /* Raylink entries in the device structure */ | |
32f5a330 | 339 | dev->netdev_ops = &ray_netdev_ops; |
141fa61f JD |
340 | SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); |
341 | dev->wireless_handlers = &ray_handler_def; | |
3d5d5ac0 | 342 | #ifdef WIRELESS_SPY |
141fa61f JD |
343 | local->wireless_data.spy_data = &local->spy_data; |
344 | dev->wireless_data = &local->wireless_data; | |
345 | #endif /* WIRELESS_SPY */ | |
1da177e4 | 346 | |
1da177e4 | 347 | |
624dd669 | 348 | dev_dbg(&p_dev->dev, "ray_cs ray_attach calling ether_setup.)\n"); |
141fa61f | 349 | netif_stop_queue(dev); |
1da177e4 | 350 | |
141fa61f | 351 | init_timer(&local->timer); |
1da177e4 | 352 | |
141fa61f JD |
353 | this_device = p_dev; |
354 | return ray_config(p_dev); | |
1da177e4 LT |
355 | |
356 | fail_alloc_dev: | |
141fa61f | 357 | return -ENOMEM; |
1da177e4 | 358 | } /* ray_attach */ |
141fa61f | 359 | |
1da177e4 LT |
360 | /*============================================================================= |
361 | This deletes a driver "instance". The device is de-registered | |
362 | with Card Services. If it has been released, all local data | |
363 | structures are freed. Otherwise, the structures will be freed | |
364 | when the device is released. | |
365 | =============================================================================*/ | |
fba395ee | 366 | static void ray_detach(struct pcmcia_device *link) |
1da177e4 | 367 | { |
141fa61f JD |
368 | struct net_device *dev; |
369 | ray_dev_t *local; | |
1da177e4 | 370 | |
624dd669 | 371 | dev_dbg(&link->dev, "ray_detach\n"); |
1da177e4 | 372 | |
141fa61f JD |
373 | this_device = NULL; |
374 | dev = link->priv; | |
cc3b4866 | 375 | |
141fa61f | 376 | ray_release(link); |
cc3b4866 | 377 | |
141fa61f JD |
378 | local = netdev_priv(dev); |
379 | del_timer(&local->timer); | |
1da177e4 | 380 | |
141fa61f | 381 | if (link->priv) { |
c7c2fa07 | 382 | unregister_netdev(dev); |
141fa61f JD |
383 | free_netdev(dev); |
384 | } | |
624dd669 | 385 | dev_dbg(&link->dev, "ray_cs ray_detach ending\n"); |
1da177e4 | 386 | } /* ray_detach */ |
141fa61f | 387 | |
1da177e4 LT |
388 | /*============================================================================= |
389 | ray_config() is run after a CARD_INSERTION event | |
390 | is received, to configure the PCMCIA socket, and to make the | |
391 | ethernet device available to the system. | |
392 | =============================================================================*/ | |
1da177e4 | 393 | #define MAX_TUPLE_SIZE 128 |
15b99ac1 | 394 | static int ray_config(struct pcmcia_device *link) |
1da177e4 | 395 | { |
624dd669 | 396 | int ret = 0; |
141fa61f JD |
397 | int i; |
398 | win_req_t req; | |
399 | memreq_t mem; | |
400 | struct net_device *dev = (struct net_device *)link->priv; | |
401 | ray_dev_t *local = netdev_priv(dev); | |
402 | ||
624dd669 | 403 | dev_dbg(&link->dev, "ray_config\n"); |
141fa61f JD |
404 | |
405 | /* Determine card type and firmware version */ | |
406 | printk(KERN_INFO "ray_cs Detected: %s%s%s%s\n", | |
407 | link->prod_id[0] ? link->prod_id[0] : " ", | |
408 | link->prod_id[1] ? link->prod_id[1] : " ", | |
409 | link->prod_id[2] ? link->prod_id[2] : " ", | |
410 | link->prod_id[3] ? link->prod_id[3] : " "); | |
411 | ||
412 | /* Now allocate an interrupt line. Note that this does not | |
413 | actually assign a handler to the interrupt. | |
414 | */ | |
eb14120f | 415 | ret = pcmcia_request_irq(link, ray_interrupt); |
624dd669 DB |
416 | if (ret) |
417 | goto failed; | |
eb14120f | 418 | dev->irq = link->irq; |
141fa61f JD |
419 | |
420 | /* This actually configures the PCMCIA socket -- setting up | |
421 | the I/O windows and the interrupt mapping. | |
422 | */ | |
624dd669 DB |
423 | ret = pcmcia_request_configuration(link, &link->conf); |
424 | if (ret) | |
425 | goto failed; | |
1da177e4 LT |
426 | |
427 | /*** Set up 32k window for shared memory (transmit and control) ************/ | |
141fa61f JD |
428 | req.Attributes = |
429 | WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT; | |
430 | req.Base = 0; | |
431 | req.Size = 0x8000; | |
432 | req.AccessSpeed = ray_mem_speed; | |
6838b03f | 433 | ret = pcmcia_request_window(link, &req, &link->win); |
624dd669 DB |
434 | if (ret) |
435 | goto failed; | |
141fa61f JD |
436 | mem.CardOffset = 0x0000; |
437 | mem.Page = 0; | |
868575d1 | 438 | ret = pcmcia_map_mem_page(link, link->win, &mem); |
624dd669 DB |
439 | if (ret) |
440 | goto failed; | |
141fa61f | 441 | local->sram = ioremap(req.Base, req.Size); |
1da177e4 LT |
442 | |
443 | /*** Set up 16k window for shared memory (receive buffer) ***************/ | |
141fa61f JD |
444 | req.Attributes = |
445 | WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT; | |
446 | req.Base = 0; | |
447 | req.Size = 0x4000; | |
448 | req.AccessSpeed = ray_mem_speed; | |
6838b03f | 449 | ret = pcmcia_request_window(link, &req, &local->rmem_handle); |
624dd669 DB |
450 | if (ret) |
451 | goto failed; | |
141fa61f JD |
452 | mem.CardOffset = 0x8000; |
453 | mem.Page = 0; | |
868575d1 | 454 | ret = pcmcia_map_mem_page(link, local->rmem_handle, &mem); |
624dd669 DB |
455 | if (ret) |
456 | goto failed; | |
141fa61f | 457 | local->rmem = ioremap(req.Base, req.Size); |
1da177e4 LT |
458 | |
459 | /*** Set up window for attribute memory ***********************************/ | |
141fa61f JD |
460 | req.Attributes = |
461 | WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT; | |
462 | req.Base = 0; | |
463 | req.Size = 0x1000; | |
464 | req.AccessSpeed = ray_mem_speed; | |
6838b03f | 465 | ret = pcmcia_request_window(link, &req, &local->amem_handle); |
624dd669 DB |
466 | if (ret) |
467 | goto failed; | |
141fa61f JD |
468 | mem.CardOffset = 0x0000; |
469 | mem.Page = 0; | |
868575d1 | 470 | ret = pcmcia_map_mem_page(link, local->amem_handle, &mem); |
624dd669 DB |
471 | if (ret) |
472 | goto failed; | |
141fa61f JD |
473 | local->amem = ioremap(req.Base, req.Size); |
474 | ||
624dd669 DB |
475 | dev_dbg(&link->dev, "ray_config sram=%p\n", local->sram); |
476 | dev_dbg(&link->dev, "ray_config rmem=%p\n", local->rmem); | |
477 | dev_dbg(&link->dev, "ray_config amem=%p\n", local->amem); | |
141fa61f JD |
478 | if (ray_init(dev) < 0) { |
479 | ray_release(link); | |
480 | return -ENODEV; | |
481 | } | |
482 | ||
dd2e5a15 | 483 | SET_NETDEV_DEV(dev, &link->dev); |
141fa61f JD |
484 | i = register_netdev(dev); |
485 | if (i != 0) { | |
486 | printk("ray_config register_netdev() failed\n"); | |
487 | ray_release(link); | |
488 | return i; | |
489 | } | |
490 | ||
141fa61f JD |
491 | printk(KERN_INFO "%s: RayLink, irq %d, hw_addr %pM\n", |
492 | dev->name, dev->irq, dev->dev_addr); | |
493 | ||
494 | return 0; | |
1da177e4 | 495 | |
624dd669 | 496 | failed: |
141fa61f JD |
497 | ray_release(link); |
498 | return -ENODEV; | |
1da177e4 LT |
499 | } /* ray_config */ |
500 | ||
501 | static inline struct ccs __iomem *ccs_base(ray_dev_t *dev) | |
502 | { | |
503 | return dev->sram + CCS_BASE; | |
504 | } | |
505 | ||
506 | static inline struct rcs __iomem *rcs_base(ray_dev_t *dev) | |
507 | { | |
508 | /* | |
509 | * This looks nonsensical, since there is a separate | |
510 | * RCS_BASE. But the difference between a "struct rcs" | |
511 | * and a "struct ccs" ends up being in the _index_ off | |
512 | * the base, so the base pointer is the same for both | |
513 | * ccs/rcs. | |
514 | */ | |
515 | return dev->sram + CCS_BASE; | |
516 | } | |
517 | ||
518 | /*===========================================================================*/ | |
519 | static int ray_init(struct net_device *dev) | |
520 | { | |
141fa61f JD |
521 | int i; |
522 | UCHAR *p; | |
523 | struct ccs __iomem *pccs; | |
524 | ray_dev_t *local = netdev_priv(dev); | |
525 | struct pcmcia_device *link = local->finder; | |
624dd669 | 526 | dev_dbg(&link->dev, "ray_init(0x%p)\n", dev); |
141fa61f | 527 | if (!(pcmcia_dev_present(link))) { |
624dd669 | 528 | dev_dbg(&link->dev, "ray_init - device not present\n"); |
141fa61f JD |
529 | return -1; |
530 | } | |
531 | ||
532 | local->net_type = net_type; | |
533 | local->sta_type = TYPE_STA; | |
534 | ||
535 | /* Copy the startup results to local memory */ | |
536 | memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE, | |
537 | sizeof(struct startup_res_6)); | |
538 | ||
539 | /* Check Power up test status and get mac address from card */ | |
540 | if (local->startup_res.startup_word != 0x80) { | |
541 | printk(KERN_INFO "ray_init ERROR card status = %2x\n", | |
542 | local->startup_res.startup_word); | |
543 | local->card_status = CARD_INIT_ERROR; | |
544 | return -1; | |
545 | } | |
546 | ||
547 | local->fw_ver = local->startup_res.firmware_version[0]; | |
548 | local->fw_bld = local->startup_res.firmware_version[1]; | |
549 | local->fw_var = local->startup_res.firmware_version[2]; | |
624dd669 | 550 | dev_dbg(&link->dev, "ray_init firmware version %d.%d \n", local->fw_ver, |
141fa61f JD |
551 | local->fw_bld); |
552 | ||
553 | local->tib_length = 0x20; | |
554 | if ((local->fw_ver == 5) && (local->fw_bld >= 30)) | |
555 | local->tib_length = local->startup_res.tib_length; | |
624dd669 | 556 | dev_dbg(&link->dev, "ray_init tib_length = 0x%02x\n", local->tib_length); |
141fa61f JD |
557 | /* Initialize CCS's to buffer free state */ |
558 | pccs = ccs_base(local); | |
559 | for (i = 0; i < NUMBER_OF_CCS; i++) { | |
560 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); | |
561 | } | |
562 | init_startup_params(local); | |
563 | ||
564 | /* copy mac address to startup parameters */ | |
565 | if (parse_addr(phy_addr, local->sparm.b4.a_mac_addr)) { | |
566 | p = local->sparm.b4.a_mac_addr; | |
567 | } else { | |
568 | memcpy(&local->sparm.b4.a_mac_addr, | |
569 | &local->startup_res.station_addr, ADDRLEN); | |
570 | p = local->sparm.b4.a_mac_addr; | |
571 | } | |
572 | ||
573 | clear_interrupt(local); /* Clear any interrupt from the card */ | |
574 | local->card_status = CARD_AWAITING_PARAM; | |
624dd669 | 575 | dev_dbg(&link->dev, "ray_init ending\n"); |
141fa61f | 576 | return 0; |
1da177e4 | 577 | } /* ray_init */ |
141fa61f | 578 | |
1da177e4 LT |
579 | /*===========================================================================*/ |
580 | /* Download startup parameters to the card and command it to read them */ | |
581 | static int dl_startup_params(struct net_device *dev) | |
582 | { | |
141fa61f JD |
583 | int ccsindex; |
584 | ray_dev_t *local = netdev_priv(dev); | |
585 | struct ccs __iomem *pccs; | |
586 | struct pcmcia_device *link = local->finder; | |
587 | ||
624dd669 | 588 | dev_dbg(&link->dev, "dl_startup_params entered\n"); |
141fa61f | 589 | if (!(pcmcia_dev_present(link))) { |
624dd669 | 590 | dev_dbg(&link->dev, "ray_cs dl_startup_params - device not present\n"); |
141fa61f JD |
591 | return -1; |
592 | } | |
593 | ||
594 | /* Copy parameters to host to ECF area */ | |
595 | if (local->fw_ver == 0x55) | |
596 | memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4, | |
597 | sizeof(struct b4_startup_params)); | |
598 | else | |
599 | memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5, | |
600 | sizeof(struct b5_startup_params)); | |
601 | ||
602 | /* Fill in the CCS fields for the ECF */ | |
603 | if ((ccsindex = get_free_ccs(local)) < 0) | |
604 | return -1; | |
605 | local->dl_param_ccs = ccsindex; | |
606 | pccs = ccs_base(local) + ccsindex; | |
607 | writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd); | |
624dd669 | 608 | dev_dbg(&link->dev, "dl_startup_params start ccsindex = %d\n", |
141fa61f JD |
609 | local->dl_param_ccs); |
610 | /* Interrupt the firmware to process the command */ | |
611 | if (interrupt_ecf(local, ccsindex)) { | |
612 | printk(KERN_INFO "ray dl_startup_params failed - " | |
613 | "ECF not ready for intr\n"); | |
614 | local->card_status = CARD_DL_PARAM_ERROR; | |
615 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); | |
616 | return -2; | |
617 | } | |
618 | local->card_status = CARD_DL_PARAM; | |
619 | /* Start kernel timer to wait for dl startup to complete. */ | |
620 | local->timer.expires = jiffies + HZ / 2; | |
621 | local->timer.data = (long)local; | |
622 | local->timer.function = &verify_dl_startup; | |
623 | add_timer(&local->timer); | |
624dd669 | 624 | dev_dbg(&link->dev, |
141fa61f JD |
625 | "ray_cs dl_startup_params started timer for verify_dl_startup\n"); |
626 | return 0; | |
1da177e4 | 627 | } /* dl_startup_params */ |
141fa61f | 628 | |
1da177e4 LT |
629 | /*===========================================================================*/ |
630 | static void init_startup_params(ray_dev_t *local) | |
631 | { | |
141fa61f JD |
632 | int i; |
633 | ||
634 | if (country > JAPAN_TEST) | |
635 | country = USA; | |
636 | else if (country < USA) | |
637 | country = USA; | |
638 | /* structure for hop time and beacon period is defined here using | |
639 | * New 802.11D6.1 format. Card firmware is still using old format | |
640 | * until version 6. | |
641 | * Before After | |
642 | * a_hop_time ms byte a_hop_time ms byte | |
643 | * a_hop_time 2s byte a_hop_time ls byte | |
644 | * a_hop_time ls byte a_beacon_period ms byte | |
645 | * a_beacon_period a_beacon_period ls byte | |
646 | * | |
647 | * a_hop_time = uS a_hop_time = KuS | |
648 | * a_beacon_period = hops a_beacon_period = KuS | |
649 | *//* 64ms = 010000 */ | |
650 | if (local->fw_ver == 0x55) { | |
651 | memcpy((UCHAR *) &local->sparm.b4, b4_default_startup_parms, | |
652 | sizeof(struct b4_startup_params)); | |
653 | /* Translate sane kus input values to old build 4/5 format */ | |
654 | /* i = hop time in uS truncated to 3 bytes */ | |
655 | i = (hop_dwell * 1024) & 0xffffff; | |
656 | local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff; | |
657 | local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff; | |
658 | local->sparm.b4.a_beacon_period[0] = 0; | |
659 | local->sparm.b4.a_beacon_period[1] = | |
660 | ((beacon_period / hop_dwell) - 1) & 0xff; | |
661 | local->sparm.b4.a_curr_country_code = country; | |
662 | local->sparm.b4.a_hop_pattern_length = | |
663 | hop_pattern_length[(int)country] - 1; | |
664 | if (bc) { | |
665 | local->sparm.b4.a_ack_timeout = 0x50; | |
666 | local->sparm.b4.a_sifs = 0x3f; | |
667 | } | |
668 | } else { /* Version 5 uses real kus values */ | |
669 | memcpy((UCHAR *) &local->sparm.b5, b5_default_startup_parms, | |
670 | sizeof(struct b5_startup_params)); | |
671 | ||
672 | local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff; | |
673 | local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff; | |
674 | local->sparm.b5.a_beacon_period[0] = | |
675 | (beacon_period >> 8) & 0xff; | |
676 | local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff; | |
677 | if (psm) | |
678 | local->sparm.b5.a_power_mgt_state = 1; | |
679 | local->sparm.b5.a_curr_country_code = country; | |
680 | local->sparm.b5.a_hop_pattern_length = | |
681 | hop_pattern_length[(int)country]; | |
682 | } | |
683 | ||
684 | local->sparm.b4.a_network_type = net_type & 0x01; | |
685 | local->sparm.b4.a_acting_as_ap_status = TYPE_STA; | |
686 | ||
687 | if (essid != NULL) | |
688 | strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE); | |
689 | } /* init_startup_params */ | |
690 | ||
1da177e4 LT |
691 | /*===========================================================================*/ |
692 | static void verify_dl_startup(u_long data) | |
693 | { | |
141fa61f JD |
694 | ray_dev_t *local = (ray_dev_t *) data; |
695 | struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs; | |
696 | UCHAR status; | |
697 | struct pcmcia_device *link = local->finder; | |
1da177e4 | 698 | |
141fa61f | 699 | if (!(pcmcia_dev_present(link))) { |
624dd669 | 700 | dev_dbg(&link->dev, "ray_cs verify_dl_startup - device not present\n"); |
141fa61f JD |
701 | return; |
702 | } | |
624dd669 DB |
703 | #if 0 |
704 | { | |
141fa61f JD |
705 | int i; |
706 | printk(KERN_DEBUG | |
707 | "verify_dl_startup parameters sent via ccs %d:\n", | |
708 | local->dl_param_ccs); | |
709 | for (i = 0; i < sizeof(struct b5_startup_params); i++) { | |
710 | printk(" %2x", | |
711 | (unsigned int)readb(local->sram + | |
712 | HOST_TO_ECF_BASE + i)); | |
713 | } | |
714 | printk("\n"); | |
715 | } | |
1da177e4 LT |
716 | #endif |
717 | ||
141fa61f JD |
718 | status = readb(&pccs->buffer_status); |
719 | if (status != CCS_BUFFER_FREE) { | |
720 | printk(KERN_INFO | |
721 | "Download startup params failed. Status = %d\n", | |
722 | status); | |
723 | local->card_status = CARD_DL_PARAM_ERROR; | |
724 | return; | |
725 | } | |
726 | if (local->sparm.b4.a_network_type == ADHOC) | |
727 | start_net((u_long) local); | |
728 | else | |
729 | join_net((u_long) local); | |
730 | ||
731 | return; | |
1da177e4 | 732 | } /* end verify_dl_startup */ |
141fa61f | 733 | |
1da177e4 LT |
734 | /*===========================================================================*/ |
735 | /* Command card to start a network */ | |
736 | static void start_net(u_long data) | |
737 | { | |
141fa61f JD |
738 | ray_dev_t *local = (ray_dev_t *) data; |
739 | struct ccs __iomem *pccs; | |
740 | int ccsindex; | |
741 | struct pcmcia_device *link = local->finder; | |
742 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 743 | dev_dbg(&link->dev, "ray_cs start_net - device not present\n"); |
141fa61f JD |
744 | return; |
745 | } | |
746 | /* Fill in the CCS fields for the ECF */ | |
747 | if ((ccsindex = get_free_ccs(local)) < 0) | |
748 | return; | |
749 | pccs = ccs_base(local) + ccsindex; | |
750 | writeb(CCS_START_NETWORK, &pccs->cmd); | |
751 | writeb(0, &pccs->var.start_network.update_param); | |
752 | /* Interrupt the firmware to process the command */ | |
753 | if (interrupt_ecf(local, ccsindex)) { | |
624dd669 | 754 | dev_dbg(&link->dev, "ray start net failed - card not ready for intr\n"); |
141fa61f JD |
755 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); |
756 | return; | |
757 | } | |
758 | local->card_status = CARD_DOING_ACQ; | |
759 | return; | |
1da177e4 | 760 | } /* end start_net */ |
141fa61f | 761 | |
1da177e4 LT |
762 | /*===========================================================================*/ |
763 | /* Command card to join a network */ | |
764 | static void join_net(u_long data) | |
765 | { | |
141fa61f JD |
766 | ray_dev_t *local = (ray_dev_t *) data; |
767 | ||
768 | struct ccs __iomem *pccs; | |
769 | int ccsindex; | |
770 | struct pcmcia_device *link = local->finder; | |
771 | ||
772 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 773 | dev_dbg(&link->dev, "ray_cs join_net - device not present\n"); |
141fa61f JD |
774 | return; |
775 | } | |
776 | /* Fill in the CCS fields for the ECF */ | |
777 | if ((ccsindex = get_free_ccs(local)) < 0) | |
778 | return; | |
779 | pccs = ccs_base(local) + ccsindex; | |
780 | writeb(CCS_JOIN_NETWORK, &pccs->cmd); | |
781 | writeb(0, &pccs->var.join_network.update_param); | |
782 | writeb(0, &pccs->var.join_network.net_initiated); | |
783 | /* Interrupt the firmware to process the command */ | |
784 | if (interrupt_ecf(local, ccsindex)) { | |
624dd669 | 785 | dev_dbg(&link->dev, "ray join net failed - card not ready for intr\n"); |
141fa61f JD |
786 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); |
787 | return; | |
788 | } | |
789 | local->card_status = CARD_DOING_ACQ; | |
790 | return; | |
1da177e4 | 791 | } |
141fa61f | 792 | |
1da177e4 LT |
793 | /*============================================================================ |
794 | After a card is removed, ray_release() will unregister the net | |
795 | device, and release the PCMCIA configuration. If the device is | |
796 | still open, this will be postponed until it is closed. | |
797 | =============================================================================*/ | |
fba395ee | 798 | static void ray_release(struct pcmcia_device *link) |
1da177e4 | 799 | { |
141fa61f JD |
800 | struct net_device *dev = link->priv; |
801 | ray_dev_t *local = netdev_priv(dev); | |
802 | int i; | |
803 | ||
624dd669 | 804 | dev_dbg(&link->dev, "ray_release\n"); |
141fa61f JD |
805 | |
806 | del_timer(&local->timer); | |
807 | ||
808 | iounmap(local->sram); | |
809 | iounmap(local->rmem); | |
810 | iounmap(local->amem); | |
811 | /* Do bother checking to see if these succeed or not */ | |
f5560da5 | 812 | i = pcmcia_release_window(link, local->amem_handle); |
141fa61f | 813 | if (i != 0) |
624dd669 | 814 | dev_dbg(&link->dev, "ReleaseWindow(local->amem) ret = %x\n", i); |
f5560da5 | 815 | i = pcmcia_release_window(link, local->rmem_handle); |
141fa61f | 816 | if (i != 0) |
624dd669 | 817 | dev_dbg(&link->dev, "ReleaseWindow(local->rmem) ret = %x\n", i); |
141fa61f JD |
818 | pcmcia_disable_device(link); |
819 | ||
624dd669 | 820 | dev_dbg(&link->dev, "ray_release ending\n"); |
1da177e4 LT |
821 | } |
822 | ||
fba395ee | 823 | static int ray_suspend(struct pcmcia_device *link) |
98e4c28b | 824 | { |
98e4c28b DB |
825 | struct net_device *dev = link->priv; |
826 | ||
e2d40963 | 827 | if (link->open) |
8661bb5b | 828 | netif_device_detach(dev); |
98e4c28b DB |
829 | |
830 | return 0; | |
831 | } | |
832 | ||
fba395ee | 833 | static int ray_resume(struct pcmcia_device *link) |
98e4c28b | 834 | { |
98e4c28b DB |
835 | struct net_device *dev = link->priv; |
836 | ||
e2d40963 | 837 | if (link->open) { |
8661bb5b DB |
838 | ray_reset(dev); |
839 | netif_device_attach(dev); | |
840 | } | |
98e4c28b DB |
841 | |
842 | return 0; | |
843 | } | |
844 | ||
1da177e4 | 845 | /*===========================================================================*/ |
2ed5ba89 | 846 | static int ray_dev_init(struct net_device *dev) |
1da177e4 LT |
847 | { |
848 | #ifdef RAY_IMMEDIATE_INIT | |
141fa61f JD |
849 | int i; |
850 | #endif /* RAY_IMMEDIATE_INIT */ | |
851 | ray_dev_t *local = netdev_priv(dev); | |
852 | struct pcmcia_device *link = local->finder; | |
853 | ||
624dd669 | 854 | dev_dbg(&link->dev, "ray_dev_init(dev=%p)\n", dev); |
141fa61f | 855 | if (!(pcmcia_dev_present(link))) { |
624dd669 | 856 | dev_dbg(&link->dev, "ray_dev_init - device not present\n"); |
141fa61f JD |
857 | return -1; |
858 | } | |
1da177e4 | 859 | #ifdef RAY_IMMEDIATE_INIT |
141fa61f JD |
860 | /* Download startup parameters */ |
861 | if ((i = dl_startup_params(dev)) < 0) { | |
862 | printk(KERN_INFO "ray_dev_init dl_startup_params failed - " | |
863 | "returns 0x%x\n", i); | |
864 | return -1; | |
865 | } | |
866 | #else /* RAY_IMMEDIATE_INIT */ | |
867 | /* Postpone the card init so that we can still configure the card, | |
868 | * for example using the Wireless Extensions. The init will happen | |
869 | * in ray_open() - Jean II */ | |
624dd669 | 870 | dev_dbg(&link->dev, |
141fa61f JD |
871 | "ray_dev_init: postponing card init to ray_open() ; Status = %d\n", |
872 | local->card_status); | |
873 | #endif /* RAY_IMMEDIATE_INIT */ | |
874 | ||
875 | /* copy mac and broadcast addresses to linux device */ | |
3a6d54c5 | 876 | memcpy(dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN); |
141fa61f JD |
877 | memset(dev->broadcast, 0xff, ETH_ALEN); |
878 | ||
624dd669 | 879 | dev_dbg(&link->dev, "ray_dev_init ending\n"); |
141fa61f | 880 | return 0; |
1da177e4 | 881 | } |
141fa61f | 882 | |
1da177e4 LT |
883 | /*===========================================================================*/ |
884 | static int ray_dev_config(struct net_device *dev, struct ifmap *map) | |
885 | { | |
141fa61f JD |
886 | ray_dev_t *local = netdev_priv(dev); |
887 | struct pcmcia_device *link = local->finder; | |
888 | /* Dummy routine to satisfy device structure */ | |
624dd669 | 889 | dev_dbg(&link->dev, "ray_dev_config(dev=%p,ifmap=%p)\n", dev, map); |
141fa61f | 890 | if (!(pcmcia_dev_present(link))) { |
624dd669 | 891 | dev_dbg(&link->dev, "ray_dev_config - device not present\n"); |
141fa61f JD |
892 | return -1; |
893 | } | |
1da177e4 | 894 | |
141fa61f | 895 | return 0; |
1da177e4 | 896 | } |
141fa61f | 897 | |
1da177e4 | 898 | /*===========================================================================*/ |
d0cf9c0d SH |
899 | static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb, |
900 | struct net_device *dev) | |
1da177e4 | 901 | { |
141fa61f JD |
902 | ray_dev_t *local = netdev_priv(dev); |
903 | struct pcmcia_device *link = local->finder; | |
904 | short length = skb->len; | |
905 | ||
d0cf9c0d | 906 | if (!pcmcia_dev_present(link)) { |
624dd669 | 907 | dev_dbg(&link->dev, "ray_dev_start_xmit - device not present\n"); |
d0cf9c0d SH |
908 | dev_kfree_skb(skb); |
909 | return NETDEV_TX_OK; | |
141fa61f | 910 | } |
d0cf9c0d | 911 | |
624dd669 | 912 | dev_dbg(&link->dev, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb, dev); |
141fa61f | 913 | if (local->authentication_state == NEED_TO_AUTH) { |
624dd669 | 914 | dev_dbg(&link->dev, "ray_cs Sending authentication request.\n"); |
141fa61f JD |
915 | if (!build_auth_frame(local, local->auth_id, OPEN_AUTH_REQUEST)) { |
916 | local->authentication_state = AUTHENTICATED; | |
917 | netif_stop_queue(dev); | |
5b548140 | 918 | return NETDEV_TX_BUSY; |
141fa61f JD |
919 | } |
920 | } | |
921 | ||
922 | if (length < ETH_ZLEN) { | |
923 | if (skb_padto(skb, ETH_ZLEN)) | |
6ed10654 | 924 | return NETDEV_TX_OK; |
141fa61f JD |
925 | length = ETH_ZLEN; |
926 | } | |
927 | switch (ray_hw_xmit(skb->data, length, dev, DATA_TYPE)) { | |
928 | case XMIT_NO_CCS: | |
929 | case XMIT_NEED_AUTH: | |
930 | netif_stop_queue(dev); | |
5b548140 | 931 | return NETDEV_TX_BUSY; |
141fa61f JD |
932 | case XMIT_NO_INTR: |
933 | case XMIT_MSG_BAD: | |
934 | case XMIT_OK: | |
935 | default: | |
936 | dev->trans_start = jiffies; | |
937 | dev_kfree_skb(skb); | |
141fa61f | 938 | } |
d0cf9c0d | 939 | |
6ed10654 | 940 | return NETDEV_TX_OK; |
1da177e4 | 941 | } /* ray_dev_start_xmit */ |
141fa61f | 942 | |
1da177e4 | 943 | /*===========================================================================*/ |
141fa61f JD |
944 | static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev, |
945 | UCHAR msg_type) | |
946 | { | |
947 | ray_dev_t *local = netdev_priv(dev); | |
948 | struct ccs __iomem *pccs; | |
949 | int ccsindex; | |
950 | int offset; | |
951 | struct tx_msg __iomem *ptx; /* Address of xmit buffer in PC space */ | |
952 | short int addr; /* Address of xmit buffer in card space */ | |
953 | ||
624dd669 | 954 | pr_debug("ray_hw_xmit(data=%p, len=%d, dev=%p)\n", data, len, dev); |
141fa61f JD |
955 | if (len + TX_HEADER_LENGTH > TX_BUF_SIZE) { |
956 | printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n", | |
957 | len); | |
958 | return XMIT_MSG_BAD; | |
959 | } | |
1da177e4 LT |
960 | switch (ccsindex = get_free_tx_ccs(local)) { |
961 | case ECCSBUSY: | |
624dd669 | 962 | pr_debug("ray_hw_xmit tx_ccs table busy\n"); |
1da177e4 | 963 | case ECCSFULL: |
624dd669 | 964 | pr_debug("ray_hw_xmit No free tx ccs\n"); |
1da177e4 | 965 | case ECARDGONE: |
141fa61f JD |
966 | netif_stop_queue(dev); |
967 | return XMIT_NO_CCS; | |
1da177e4 LT |
968 | default: |
969 | break; | |
970 | } | |
141fa61f JD |
971 | addr = TX_BUF_BASE + (ccsindex << 11); |
972 | ||
973 | if (msg_type == DATA_TYPE) { | |
974 | local->stats.tx_bytes += len; | |
975 | local->stats.tx_packets++; | |
976 | } | |
977 | ||
978 | ptx = local->sram + addr; | |
979 | ||
980 | ray_build_header(local, ptx, msg_type, data); | |
981 | if (translate) { | |
982 | offset = translate_frame(local, ptx, data, len); | |
983 | } else { /* Encapsulate frame */ | |
984 | /* TBD TIB length will move address of ptx->var */ | |
985 | memcpy_toio(&ptx->var, data, len); | |
986 | offset = 0; | |
987 | } | |
988 | ||
989 | /* fill in the CCS */ | |
990 | pccs = ccs_base(local) + ccsindex; | |
991 | len += TX_HEADER_LENGTH + offset; | |
992 | writeb(CCS_TX_REQUEST, &pccs->cmd); | |
993 | writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]); | |
994 | writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]); | |
995 | writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]); | |
996 | writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]); | |
1da177e4 | 997 | /* TBD still need psm_cam? */ |
141fa61f JD |
998 | writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode); |
999 | writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate); | |
1000 | writeb(0, &pccs->var.tx_request.antenna); | |
624dd669 | 1001 | pr_debug("ray_hw_xmit default_tx_rate = 0x%x\n", |
141fa61f JD |
1002 | local->net_default_tx_rate); |
1003 | ||
1004 | /* Interrupt the firmware to process the command */ | |
1005 | if (interrupt_ecf(local, ccsindex)) { | |
624dd669 | 1006 | pr_debug("ray_hw_xmit failed - ECF not ready for intr\n"); |
1da177e4 LT |
1007 | /* TBD very inefficient to copy packet to buffer, and then not |
1008 | send it, but the alternative is to queue the messages and that | |
1009 | won't be done for a while. Maybe set tbusy until a CCS is free? | |
1010 | */ | |
141fa61f JD |
1011 | writeb(CCS_BUFFER_FREE, &pccs->buffer_status); |
1012 | return XMIT_NO_INTR; | |
1013 | } | |
1014 | return XMIT_OK; | |
1da177e4 | 1015 | } /* end ray_hw_xmit */ |
141fa61f | 1016 | |
1da177e4 | 1017 | /*===========================================================================*/ |
141fa61f JD |
1018 | static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx, |
1019 | unsigned char *data, int len) | |
1020 | { | |
1021 | __be16 proto = ((struct ethhdr *)data)->h_proto; | |
1022 | if (ntohs(proto) >= 1536) { /* DIX II ethernet frame */ | |
624dd669 | 1023 | pr_debug("ray_cs translate_frame DIX II\n"); |
141fa61f JD |
1024 | /* Copy LLC header to card buffer */ |
1025 | memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc)); | |
1026 | memcpy_toio(((void __iomem *)&ptx->var) + sizeof(eth2_llc), | |
1027 | (UCHAR *) &proto, 2); | |
1028 | if (proto == htons(ETH_P_AARP) || proto == htons(ETH_P_IPX)) { | |
1029 | /* This is the selective translation table, only 2 entries */ | |
1030 | writeb(0xf8, | |
1031 | &((struct snaphdr_t __iomem *)ptx->var)->org[3]); | |
1032 | } | |
1033 | /* Copy body of ethernet packet without ethernet header */ | |
1034 | memcpy_toio((void __iomem *)&ptx->var + | |
1035 | sizeof(struct snaphdr_t), data + ETH_HLEN, | |
1036 | len - ETH_HLEN); | |
1037 | return (int)sizeof(struct snaphdr_t) - ETH_HLEN; | |
1038 | } else { /* already 802 type, and proto is length */ | |
624dd669 | 1039 | pr_debug("ray_cs translate_frame 802\n"); |
141fa61f | 1040 | if (proto == htons(0xffff)) { /* evil netware IPX 802.3 without LLC */ |
624dd669 | 1041 | pr_debug("ray_cs translate_frame evil IPX\n"); |
141fa61f JD |
1042 | memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN); |
1043 | return 0 - ETH_HLEN; | |
1044 | } | |
1045 | memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN); | |
1046 | return 0 - ETH_HLEN; | |
1047 | } | |
1048 | /* TBD do other frame types */ | |
1da177e4 | 1049 | } /* end translate_frame */ |
141fa61f | 1050 | |
1da177e4 | 1051 | /*===========================================================================*/ |
141fa61f JD |
1052 | static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx, |
1053 | UCHAR msg_type, unsigned char *data) | |
1da177e4 | 1054 | { |
141fa61f | 1055 | writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1); |
1da177e4 | 1056 | /*** IEEE 802.11 Address field assignments ************* |
141fa61f JD |
1057 | TODS FROMDS addr_1 addr_2 addr_3 addr_4 |
1058 | Adhoc 0 0 dest src (terminal) BSSID N/A | |
1059 | AP to Terminal 0 1 dest AP(BSSID) source N/A | |
1060 | Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A | |
1061 | AP to AP 1 1 dest AP src AP dest source | |
1da177e4 | 1062 | *******************************************************/ |
141fa61f JD |
1063 | if (local->net_type == ADHOC) { |
1064 | writeb(0, &ptx->mac.frame_ctl_2); | |
1065 | memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest, | |
1066 | 2 * ADDRLEN); | |
1067 | memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN); | |
1068 | } else { /* infrastructure */ | |
1069 | ||
1070 | if (local->sparm.b4.a_acting_as_ap_status) { | |
1071 | writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2); | |
1072 | memcpy_toio(ptx->mac.addr_1, | |
1073 | ((struct ethhdr *)data)->h_dest, ADDRLEN); | |
1074 | memcpy_toio(ptx->mac.addr_2, local->bss_id, 6); | |
1075 | memcpy_toio(ptx->mac.addr_3, | |
1076 | ((struct ethhdr *)data)->h_source, ADDRLEN); | |
1077 | } else { /* Terminal */ | |
1078 | ||
1079 | writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2); | |
1080 | memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN); | |
1081 | memcpy_toio(ptx->mac.addr_2, | |
1082 | ((struct ethhdr *)data)->h_source, ADDRLEN); | |
1083 | memcpy_toio(ptx->mac.addr_3, | |
1084 | ((struct ethhdr *)data)->h_dest, ADDRLEN); | |
1085 | } | |
1086 | } | |
1da177e4 LT |
1087 | } /* end encapsulate_frame */ |
1088 | ||
1da177e4 LT |
1089 | /*===========================================================================*/ |
1090 | ||
1091 | static void netdev_get_drvinfo(struct net_device *dev, | |
1092 | struct ethtool_drvinfo *info) | |
1093 | { | |
1094 | strcpy(info->driver, "ray_cs"); | |
1095 | } | |
1096 | ||
7282d491 | 1097 | static const struct ethtool_ops netdev_ethtool_ops = { |
141fa61f | 1098 | .get_drvinfo = netdev_get_drvinfo, |
1da177e4 LT |
1099 | }; |
1100 | ||
1101 | /*====================================================================*/ | |
1102 | ||
3d5d5ac0 JT |
1103 | /*------------------------------------------------------------------*/ |
1104 | /* | |
1105 | * Wireless Handler : get protocol name | |
1106 | */ | |
1107 | static int ray_get_name(struct net_device *dev, | |
141fa61f | 1108 | struct iw_request_info *info, char *cwrq, char *extra) |
1da177e4 | 1109 | { |
3d5d5ac0 JT |
1110 | strcpy(cwrq, "IEEE 802.11-FH"); |
1111 | return 0; | |
1112 | } | |
1da177e4 | 1113 | |
3d5d5ac0 JT |
1114 | /*------------------------------------------------------------------*/ |
1115 | /* | |
1116 | * Wireless Handler : set frequency | |
1117 | */ | |
1118 | static int ray_set_freq(struct net_device *dev, | |
1119 | struct iw_request_info *info, | |
141fa61f | 1120 | struct iw_freq *fwrq, char *extra) |
3d5d5ac0 | 1121 | { |
6dbc9c89 | 1122 | ray_dev_t *local = netdev_priv(dev); |
141fa61f | 1123 | int err = -EINPROGRESS; /* Call commit handler */ |
1da177e4 | 1124 | |
3d5d5ac0 | 1125 | /* Reject if card is already initialised */ |
141fa61f | 1126 | if (local->card_status != CARD_AWAITING_PARAM) |
3d5d5ac0 | 1127 | return -EBUSY; |
1da177e4 | 1128 | |
3d5d5ac0 JT |
1129 | /* Setting by channel number */ |
1130 | if ((fwrq->m > USA_HOP_MOD) || (fwrq->e > 0)) | |
1131 | err = -EOPNOTSUPP; | |
1132 | else | |
1133 | local->sparm.b5.a_hop_pattern = fwrq->m; | |
1da177e4 | 1134 | |
3d5d5ac0 JT |
1135 | return err; |
1136 | } | |
141fa61f | 1137 | |
3d5d5ac0 JT |
1138 | /*------------------------------------------------------------------*/ |
1139 | /* | |
1140 | * Wireless Handler : get frequency | |
1141 | */ | |
1142 | static int ray_get_freq(struct net_device *dev, | |
1143 | struct iw_request_info *info, | |
141fa61f | 1144 | struct iw_freq *fwrq, char *extra) |
3d5d5ac0 | 1145 | { |
6dbc9c89 | 1146 | ray_dev_t *local = netdev_priv(dev); |
1da177e4 | 1147 | |
3d5d5ac0 JT |
1148 | fwrq->m = local->sparm.b5.a_hop_pattern; |
1149 | fwrq->e = 0; | |
1150 | return 0; | |
1151 | } | |
1152 | ||
1153 | /*------------------------------------------------------------------*/ | |
1154 | /* | |
1155 | * Wireless Handler : set ESSID | |
1156 | */ | |
1157 | static int ray_set_essid(struct net_device *dev, | |
1158 | struct iw_request_info *info, | |
141fa61f | 1159 | struct iw_point *dwrq, char *extra) |
3d5d5ac0 | 1160 | { |
6dbc9c89 | 1161 | ray_dev_t *local = netdev_priv(dev); |
3d5d5ac0 JT |
1162 | |
1163 | /* Reject if card is already initialised */ | |
141fa61f | 1164 | if (local->card_status != CARD_AWAITING_PARAM) |
3d5d5ac0 JT |
1165 | return -EBUSY; |
1166 | ||
1167 | /* Check if we asked for `any' */ | |
141fa61f | 1168 | if (dwrq->flags == 0) { |
1da177e4 | 1169 | /* Corey : can you do that ? */ |
3d5d5ac0 JT |
1170 | return -EOPNOTSUPP; |
1171 | } else { | |
1da177e4 | 1172 | /* Check the size of the string */ |
141fa61f | 1173 | if (dwrq->length > IW_ESSID_MAX_SIZE) { |
3d5d5ac0 | 1174 | return -E2BIG; |
1da177e4 | 1175 | } |
1da177e4 LT |
1176 | |
1177 | /* Set the ESSID in the card */ | |
3d5d5ac0 JT |
1178 | memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE); |
1179 | memcpy(local->sparm.b5.a_current_ess_id, extra, dwrq->length); | |
1da177e4 | 1180 | } |
1da177e4 | 1181 | |
141fa61f | 1182 | return -EINPROGRESS; /* Call commit handler */ |
3d5d5ac0 | 1183 | } |
1da177e4 | 1184 | |
3d5d5ac0 JT |
1185 | /*------------------------------------------------------------------*/ |
1186 | /* | |
1187 | * Wireless Handler : get ESSID | |
1188 | */ | |
1189 | static int ray_get_essid(struct net_device *dev, | |
1190 | struct iw_request_info *info, | |
141fa61f | 1191 | struct iw_point *dwrq, char *extra) |
3d5d5ac0 | 1192 | { |
6dbc9c89 | 1193 | ray_dev_t *local = netdev_priv(dev); |
3d5d5ac0 JT |
1194 | |
1195 | /* Get the essid that was set */ | |
1196 | memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE); | |
3d5d5ac0 JT |
1197 | |
1198 | /* Push it out ! */ | |
d6a13a24 | 1199 | dwrq->length = strlen(extra); |
141fa61f | 1200 | dwrq->flags = 1; /* active */ |
3d5d5ac0 JT |
1201 | |
1202 | return 0; | |
1203 | } | |
1204 | ||
1205 | /*------------------------------------------------------------------*/ | |
1206 | /* | |
1207 | * Wireless Handler : get AP address | |
1208 | */ | |
1209 | static int ray_get_wap(struct net_device *dev, | |
141fa61f JD |
1210 | struct iw_request_info *info, |
1211 | struct sockaddr *awrq, char *extra) | |
3d5d5ac0 | 1212 | { |
6dbc9c89 | 1213 | ray_dev_t *local = netdev_priv(dev); |
3d5d5ac0 JT |
1214 | |
1215 | memcpy(awrq->sa_data, local->bss_id, ETH_ALEN); | |
1216 | awrq->sa_family = ARPHRD_ETHER; | |
1217 | ||
1218 | return 0; | |
1219 | } | |
1220 | ||
1221 | /*------------------------------------------------------------------*/ | |
1222 | /* | |
1223 | * Wireless Handler : set Bit-Rate | |
1224 | */ | |
1225 | static int ray_set_rate(struct net_device *dev, | |
1226 | struct iw_request_info *info, | |
141fa61f | 1227 | struct iw_param *vwrq, char *extra) |
3d5d5ac0 | 1228 | { |
6dbc9c89 | 1229 | ray_dev_t *local = netdev_priv(dev); |
3d5d5ac0 JT |
1230 | |
1231 | /* Reject if card is already initialised */ | |
141fa61f | 1232 | if (local->card_status != CARD_AWAITING_PARAM) |
3d5d5ac0 JT |
1233 | return -EBUSY; |
1234 | ||
1235 | /* Check if rate is in range */ | |
141fa61f | 1236 | if ((vwrq->value != 1000000) && (vwrq->value != 2000000)) |
3d5d5ac0 JT |
1237 | return -EINVAL; |
1238 | ||
1239 | /* Hack for 1.5 Mb/s instead of 2 Mb/s */ | |
141fa61f JD |
1240 | if ((local->fw_ver == 0x55) && /* Please check */ |
1241 | (vwrq->value == 2000000)) | |
3d5d5ac0 | 1242 | local->net_default_tx_rate = 3; |
1da177e4 | 1243 | else |
141fa61f | 1244 | local->net_default_tx_rate = vwrq->value / 500000; |
3d5d5ac0 JT |
1245 | |
1246 | return 0; | |
1247 | } | |
1248 | ||
1249 | /*------------------------------------------------------------------*/ | |
1250 | /* | |
1251 | * Wireless Handler : get Bit-Rate | |
1252 | */ | |
1253 | static int ray_get_rate(struct net_device *dev, | |
1254 | struct iw_request_info *info, | |
141fa61f | 1255 | struct iw_param *vwrq, char *extra) |
3d5d5ac0 | 1256 | { |
6dbc9c89 | 1257 | ray_dev_t *local = netdev_priv(dev); |
3d5d5ac0 | 1258 | |
141fa61f JD |
1259 | if (local->net_default_tx_rate == 3) |
1260 | vwrq->value = 2000000; /* Hum... */ | |
3d5d5ac0 JT |
1261 | else |
1262 | vwrq->value = local->net_default_tx_rate * 500000; | |
141fa61f | 1263 | vwrq->fixed = 0; /* We are in auto mode */ |
3d5d5ac0 JT |
1264 | |
1265 | return 0; | |
1266 | } | |
1267 | ||
1268 | /*------------------------------------------------------------------*/ | |
1269 | /* | |
1270 | * Wireless Handler : set RTS threshold | |
1271 | */ | |
1272 | static int ray_set_rts(struct net_device *dev, | |
1273 | struct iw_request_info *info, | |
141fa61f | 1274 | struct iw_param *vwrq, char *extra) |
3d5d5ac0 | 1275 | { |
6dbc9c89 | 1276 | ray_dev_t *local = netdev_priv(dev); |
3d5d5ac0 JT |
1277 | int rthr = vwrq->value; |
1278 | ||
1279 | /* Reject if card is already initialised */ | |
141fa61f | 1280 | if (local->card_status != CARD_AWAITING_PARAM) |
3d5d5ac0 JT |
1281 | return -EBUSY; |
1282 | ||
1283 | /* if(wrq->u.rts.fixed == 0) we should complain */ | |
141fa61f | 1284 | if (vwrq->disabled) |
3d5d5ac0 JT |
1285 | rthr = 32767; |
1286 | else { | |
141fa61f | 1287 | if ((rthr < 0) || (rthr > 2347)) /* What's the max packet size ??? */ |
3d5d5ac0 JT |
1288 | return -EINVAL; |
1289 | } | |
1da177e4 LT |
1290 | local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF; |
1291 | local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF; | |
1da177e4 | 1292 | |
141fa61f | 1293 | return -EINPROGRESS; /* Call commit handler */ |
3d5d5ac0 | 1294 | } |
1da177e4 | 1295 | |
3d5d5ac0 JT |
1296 | /*------------------------------------------------------------------*/ |
1297 | /* | |
1298 | * Wireless Handler : get RTS threshold | |
1299 | */ | |
1300 | static int ray_get_rts(struct net_device *dev, | |
1301 | struct iw_request_info *info, | |
141fa61f | 1302 | struct iw_param *vwrq, char *extra) |
3d5d5ac0 | 1303 | { |
6dbc9c89 | 1304 | ray_dev_t *local = netdev_priv(dev); |
3d5d5ac0 JT |
1305 | |
1306 | vwrq->value = (local->sparm.b5.a_rts_threshold[0] << 8) | |
141fa61f | 1307 | + local->sparm.b5.a_rts_threshold[1]; |
3d5d5ac0 JT |
1308 | vwrq->disabled = (vwrq->value == 32767); |
1309 | vwrq->fixed = 1; | |
1310 | ||
1311 | return 0; | |
1312 | } | |
1313 | ||
1314 | /*------------------------------------------------------------------*/ | |
1315 | /* | |
1316 | * Wireless Handler : set Fragmentation threshold | |
1317 | */ | |
1318 | static int ray_set_frag(struct net_device *dev, | |
1319 | struct iw_request_info *info, | |
141fa61f | 1320 | struct iw_param *vwrq, char *extra) |
3d5d5ac0 | 1321 | { |
6dbc9c89 | 1322 | ray_dev_t *local = netdev_priv(dev); |
3d5d5ac0 JT |
1323 | int fthr = vwrq->value; |
1324 | ||
1325 | /* Reject if card is already initialised */ | |
141fa61f | 1326 | if (local->card_status != CARD_AWAITING_PARAM) |
3d5d5ac0 | 1327 | return -EBUSY; |
1da177e4 LT |
1328 | |
1329 | /* if(wrq->u.frag.fixed == 0) should complain */ | |
141fa61f | 1330 | if (vwrq->disabled) |
3d5d5ac0 JT |
1331 | fthr = 32767; |
1332 | else { | |
141fa61f | 1333 | if ((fthr < 256) || (fthr > 2347)) /* To check out ! */ |
3d5d5ac0 JT |
1334 | return -EINVAL; |
1335 | } | |
1da177e4 LT |
1336 | local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF; |
1337 | local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF; | |
1da177e4 | 1338 | |
141fa61f | 1339 | return -EINPROGRESS; /* Call commit handler */ |
3d5d5ac0 JT |
1340 | } |
1341 | ||
1342 | /*------------------------------------------------------------------*/ | |
1343 | /* | |
1344 | * Wireless Handler : get Fragmentation threshold | |
1345 | */ | |
1346 | static int ray_get_frag(struct net_device *dev, | |
1347 | struct iw_request_info *info, | |
141fa61f | 1348 | struct iw_param *vwrq, char *extra) |
3d5d5ac0 | 1349 | { |
6dbc9c89 | 1350 | ray_dev_t *local = netdev_priv(dev); |
3d5d5ac0 JT |
1351 | |
1352 | vwrq->value = (local->sparm.b5.a_frag_threshold[0] << 8) | |
141fa61f | 1353 | + local->sparm.b5.a_frag_threshold[1]; |
3d5d5ac0 JT |
1354 | vwrq->disabled = (vwrq->value == 32767); |
1355 | vwrq->fixed = 1; | |
1da177e4 | 1356 | |
3d5d5ac0 JT |
1357 | return 0; |
1358 | } | |
1da177e4 | 1359 | |
3d5d5ac0 JT |
1360 | /*------------------------------------------------------------------*/ |
1361 | /* | |
1362 | * Wireless Handler : set Mode of Operation | |
1363 | */ | |
1364 | static int ray_set_mode(struct net_device *dev, | |
141fa61f | 1365 | struct iw_request_info *info, __u32 *uwrq, char *extra) |
3d5d5ac0 | 1366 | { |
6dbc9c89 | 1367 | ray_dev_t *local = netdev_priv(dev); |
141fa61f | 1368 | int err = -EINPROGRESS; /* Call commit handler */ |
1da177e4 | 1369 | char card_mode = 1; |
1da177e4 | 1370 | |
3d5d5ac0 | 1371 | /* Reject if card is already initialised */ |
141fa61f | 1372 | if (local->card_status != CARD_AWAITING_PARAM) |
3d5d5ac0 JT |
1373 | return -EBUSY; |
1374 | ||
141fa61f | 1375 | switch (*uwrq) { |
1da177e4 | 1376 | case IW_MODE_ADHOC: |
3d5d5ac0 | 1377 | card_mode = 0; |
141fa61f | 1378 | /* Fall through */ |
1da177e4 | 1379 | case IW_MODE_INFRA: |
3d5d5ac0 JT |
1380 | local->sparm.b5.a_network_type = card_mode; |
1381 | break; | |
1da177e4 | 1382 | default: |
3d5d5ac0 | 1383 | err = -EINVAL; |
1da177e4 | 1384 | } |
1da177e4 | 1385 | |
3d5d5ac0 JT |
1386 | return err; |
1387 | } | |
1da177e4 | 1388 | |
3d5d5ac0 JT |
1389 | /*------------------------------------------------------------------*/ |
1390 | /* | |
1391 | * Wireless Handler : get Mode of Operation | |
1392 | */ | |
1393 | static int ray_get_mode(struct net_device *dev, | |
141fa61f | 1394 | struct iw_request_info *info, __u32 *uwrq, char *extra) |
3d5d5ac0 | 1395 | { |
6dbc9c89 | 1396 | ray_dev_t *local = netdev_priv(dev); |
1da177e4 | 1397 | |
141fa61f | 1398 | if (local->sparm.b5.a_network_type) |
3d5d5ac0 JT |
1399 | *uwrq = IW_MODE_INFRA; |
1400 | else | |
1401 | *uwrq = IW_MODE_ADHOC; | |
1da177e4 | 1402 | |
3d5d5ac0 JT |
1403 | return 0; |
1404 | } | |
1da177e4 | 1405 | |
3d5d5ac0 JT |
1406 | /*------------------------------------------------------------------*/ |
1407 | /* | |
1408 | * Wireless Handler : get range info | |
1409 | */ | |
1410 | static int ray_get_range(struct net_device *dev, | |
1411 | struct iw_request_info *info, | |
141fa61f | 1412 | struct iw_point *dwrq, char *extra) |
3d5d5ac0 | 1413 | { |
141fa61f | 1414 | struct iw_range *range = (struct iw_range *)extra; |
3d5d5ac0 | 1415 | |
141fa61f | 1416 | memset((char *)range, 0, sizeof(struct iw_range)); |
3d5d5ac0 JT |
1417 | |
1418 | /* Set the length (very important for backward compatibility) */ | |
1419 | dwrq->length = sizeof(struct iw_range); | |
1420 | ||
1421 | /* Set the Wireless Extension versions */ | |
1422 | range->we_version_compiled = WIRELESS_EXT; | |
1423 | range->we_version_source = 9; | |
1424 | ||
1425 | /* Set information in the range struct */ | |
1426 | range->throughput = 1.1 * 1000 * 1000; /* Put the right number here */ | |
141fa61f | 1427 | range->num_channels = hop_pattern_length[(int)country]; |
3d5d5ac0 JT |
1428 | range->num_frequency = 0; |
1429 | range->max_qual.qual = 0; | |
1430 | range->max_qual.level = 255; /* What's the correct value ? */ | |
1431 | range->max_qual.noise = 255; /* Idem */ | |
1432 | range->num_bitrates = 2; | |
1433 | range->bitrate[0] = 1000000; /* 1 Mb/s */ | |
1434 | range->bitrate[1] = 2000000; /* 2 Mb/s */ | |
1435 | return 0; | |
1436 | } | |
1da177e4 | 1437 | |
3d5d5ac0 JT |
1438 | /*------------------------------------------------------------------*/ |
1439 | /* | |
1440 | * Wireless Private Handler : set framing mode | |
1441 | */ | |
1442 | static int ray_set_framing(struct net_device *dev, | |
1443 | struct iw_request_info *info, | |
141fa61f | 1444 | union iwreq_data *wrqu, char *extra) |
3d5d5ac0 JT |
1445 | { |
1446 | translate = *(extra); /* Set framing mode */ | |
1da177e4 | 1447 | |
3d5d5ac0 JT |
1448 | return 0; |
1449 | } | |
1da177e4 | 1450 | |
3d5d5ac0 JT |
1451 | /*------------------------------------------------------------------*/ |
1452 | /* | |
1453 | * Wireless Private Handler : get framing mode | |
1454 | */ | |
1455 | static int ray_get_framing(struct net_device *dev, | |
1456 | struct iw_request_info *info, | |
141fa61f | 1457 | union iwreq_data *wrqu, char *extra) |
3d5d5ac0 JT |
1458 | { |
1459 | *(extra) = translate; | |
1460 | ||
1461 | return 0; | |
1462 | } | |
1463 | ||
1464 | /*------------------------------------------------------------------*/ | |
1465 | /* | |
1466 | * Wireless Private Handler : get country | |
1467 | */ | |
1468 | static int ray_get_country(struct net_device *dev, | |
1469 | struct iw_request_info *info, | |
141fa61f | 1470 | union iwreq_data *wrqu, char *extra) |
3d5d5ac0 JT |
1471 | { |
1472 | *(extra) = country; | |
1473 | ||
1474 | return 0; | |
1475 | } | |
1476 | ||
1477 | /*------------------------------------------------------------------*/ | |
1478 | /* | |
1479 | * Commit handler : called after a bunch of SET operations | |
1480 | */ | |
141fa61f JD |
1481 | static int ray_commit(struct net_device *dev, struct iw_request_info *info, /* NULL */ |
1482 | void *zwrq, /* NULL */ | |
1483 | char *extra) | |
1484 | { /* NULL */ | |
3d5d5ac0 JT |
1485 | return 0; |
1486 | } | |
1487 | ||
1488 | /*------------------------------------------------------------------*/ | |
1489 | /* | |
1490 | * Stats handler : return Wireless Stats | |
1491 | */ | |
141fa61f | 1492 | static iw_stats *ray_get_wireless_stats(struct net_device *dev) |
1da177e4 | 1493 | { |
141fa61f JD |
1494 | ray_dev_t *local = netdev_priv(dev); |
1495 | struct pcmcia_device *link = local->finder; | |
1496 | struct status __iomem *p = local->sram + STATUS_BASE; | |
1da177e4 | 1497 | |
141fa61f | 1498 | local->wstats.status = local->card_status; |
1da177e4 | 1499 | #ifdef WIRELESS_SPY |
141fa61f JD |
1500 | if ((local->spy_data.spy_number > 0) |
1501 | && (local->sparm.b5.a_network_type == 0)) { | |
1502 | /* Get it from the first node in spy list */ | |
1503 | local->wstats.qual.qual = local->spy_data.spy_stat[0].qual; | |
1504 | local->wstats.qual.level = local->spy_data.spy_stat[0].level; | |
1505 | local->wstats.qual.noise = local->spy_data.spy_stat[0].noise; | |
1506 | local->wstats.qual.updated = | |
1507 | local->spy_data.spy_stat[0].updated; | |
1508 | } | |
1da177e4 LT |
1509 | #endif /* WIRELESS_SPY */ |
1510 | ||
141fa61f JD |
1511 | if (pcmcia_dev_present(link)) { |
1512 | local->wstats.qual.noise = readb(&p->rxnoise); | |
1513 | local->wstats.qual.updated |= 4; | |
1514 | } | |
1da177e4 | 1515 | |
141fa61f | 1516 | return &local->wstats; |
1da177e4 | 1517 | } /* end ray_get_wireless_stats */ |
3d5d5ac0 JT |
1518 | |
1519 | /*------------------------------------------------------------------*/ | |
1520 | /* | |
1521 | * Structures to export the Wireless Handlers | |
1522 | */ | |
1523 | ||
141fa61f JD |
1524 | static const iw_handler ray_handler[] = { |
1525 | [SIOCSIWCOMMIT - SIOCIWFIRST] = (iw_handler) ray_commit, | |
1526 | [SIOCGIWNAME - SIOCIWFIRST] = (iw_handler) ray_get_name, | |
1527 | [SIOCSIWFREQ - SIOCIWFIRST] = (iw_handler) ray_set_freq, | |
1528 | [SIOCGIWFREQ - SIOCIWFIRST] = (iw_handler) ray_get_freq, | |
1529 | [SIOCSIWMODE - SIOCIWFIRST] = (iw_handler) ray_set_mode, | |
1530 | [SIOCGIWMODE - SIOCIWFIRST] = (iw_handler) ray_get_mode, | |
1531 | [SIOCGIWRANGE - SIOCIWFIRST] = (iw_handler) ray_get_range, | |
3d5d5ac0 | 1532 | #ifdef WIRELESS_SPY |
141fa61f JD |
1533 | [SIOCSIWSPY - SIOCIWFIRST] = (iw_handler) iw_handler_set_spy, |
1534 | [SIOCGIWSPY - SIOCIWFIRST] = (iw_handler) iw_handler_get_spy, | |
1535 | [SIOCSIWTHRSPY - SIOCIWFIRST] = (iw_handler) iw_handler_set_thrspy, | |
1536 | [SIOCGIWTHRSPY - SIOCIWFIRST] = (iw_handler) iw_handler_get_thrspy, | |
1537 | #endif /* WIRELESS_SPY */ | |
1538 | [SIOCGIWAP - SIOCIWFIRST] = (iw_handler) ray_get_wap, | |
1539 | [SIOCSIWESSID - SIOCIWFIRST] = (iw_handler) ray_set_essid, | |
1540 | [SIOCGIWESSID - SIOCIWFIRST] = (iw_handler) ray_get_essid, | |
1541 | [SIOCSIWRATE - SIOCIWFIRST] = (iw_handler) ray_set_rate, | |
1542 | [SIOCGIWRATE - SIOCIWFIRST] = (iw_handler) ray_get_rate, | |
1543 | [SIOCSIWRTS - SIOCIWFIRST] = (iw_handler) ray_set_rts, | |
1544 | [SIOCGIWRTS - SIOCIWFIRST] = (iw_handler) ray_get_rts, | |
1545 | [SIOCSIWFRAG - SIOCIWFIRST] = (iw_handler) ray_set_frag, | |
1546 | [SIOCGIWFRAG - SIOCIWFIRST] = (iw_handler) ray_get_frag, | |
3d5d5ac0 JT |
1547 | }; |
1548 | ||
141fa61f | 1549 | #define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */ |
3d5d5ac0 JT |
1550 | #define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */ |
1551 | #define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */ | |
1552 | ||
141fa61f | 1553 | static const iw_handler ray_private_handler[] = { |
7a700faf AV |
1554 | [0] = (iw_handler) ray_set_framing, |
1555 | [1] = (iw_handler) ray_get_framing, | |
1556 | [3] = (iw_handler) ray_get_country, | |
3d5d5ac0 JT |
1557 | }; |
1558 | ||
141fa61f | 1559 | static const struct iw_priv_args ray_private_args[] = { |
3d5d5ac0 | 1560 | /* cmd, set_args, get_args, name */ |
141fa61f JD |
1561 | {SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0, |
1562 | "set_framing"}, | |
1563 | {SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, | |
1564 | "get_framing"}, | |
1565 | {SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, | |
1566 | "get_country"}, | |
3d5d5ac0 JT |
1567 | }; |
1568 | ||
141fa61f JD |
1569 | static const struct iw_handler_def ray_handler_def = { |
1570 | .num_standard = ARRAY_SIZE(ray_handler), | |
1571 | .num_private = ARRAY_SIZE(ray_private_handler), | |
ff8ac609 | 1572 | .num_private_args = ARRAY_SIZE(ray_private_args), |
141fa61f JD |
1573 | .standard = ray_handler, |
1574 | .private = ray_private_handler, | |
1575 | .private_args = ray_private_args, | |
3d5d5ac0 JT |
1576 | .get_wireless_stats = ray_get_wireless_stats, |
1577 | }; | |
1578 | ||
1da177e4 LT |
1579 | /*===========================================================================*/ |
1580 | static int ray_open(struct net_device *dev) | |
1581 | { | |
141fa61f JD |
1582 | ray_dev_t *local = netdev_priv(dev); |
1583 | struct pcmcia_device *link; | |
1584 | link = local->finder; | |
1da177e4 | 1585 | |
624dd669 | 1586 | dev_dbg(&link->dev, "ray_open('%s')\n", dev->name); |
1da177e4 | 1587 | |
141fa61f JD |
1588 | if (link->open == 0) |
1589 | local->num_multi = 0; | |
1590 | link->open++; | |
1da177e4 | 1591 | |
141fa61f JD |
1592 | /* If the card is not started, time to start it ! - Jean II */ |
1593 | if (local->card_status == CARD_AWAITING_PARAM) { | |
1594 | int i; | |
1da177e4 | 1595 | |
624dd669 | 1596 | dev_dbg(&link->dev, "ray_open: doing init now !\n"); |
141fa61f JD |
1597 | |
1598 | /* Download startup parameters */ | |
1599 | if ((i = dl_startup_params(dev)) < 0) { | |
1600 | printk(KERN_INFO | |
1601 | "ray_dev_init dl_startup_params failed - " | |
1602 | "returns 0x%x\n", i); | |
1603 | return -1; | |
1604 | } | |
1605 | } | |
1606 | ||
1607 | if (sniffer) | |
1608 | netif_stop_queue(dev); | |
1609 | else | |
1610 | netif_start_queue(dev); | |
1611 | ||
624dd669 | 1612 | dev_dbg(&link->dev, "ray_open ending\n"); |
141fa61f | 1613 | return 0; |
1da177e4 | 1614 | } /* end ray_open */ |
141fa61f | 1615 | |
1da177e4 LT |
1616 | /*===========================================================================*/ |
1617 | static int ray_dev_close(struct net_device *dev) | |
1618 | { | |
141fa61f JD |
1619 | ray_dev_t *local = netdev_priv(dev); |
1620 | struct pcmcia_device *link; | |
1621 | link = local->finder; | |
1da177e4 | 1622 | |
624dd669 | 1623 | dev_dbg(&link->dev, "ray_dev_close('%s')\n", dev->name); |
1da177e4 | 1624 | |
141fa61f JD |
1625 | link->open--; |
1626 | netif_stop_queue(dev); | |
1da177e4 | 1627 | |
141fa61f JD |
1628 | /* In here, we should stop the hardware (stop card from beeing active) |
1629 | * and set local->card_status to CARD_AWAITING_PARAM, so that while the | |
1630 | * card is closed we can chage its configuration. | |
1631 | * Probably also need a COR reset to get sane state - Jean II */ | |
1da177e4 | 1632 | |
141fa61f | 1633 | return 0; |
1da177e4 | 1634 | } /* end ray_dev_close */ |
141fa61f | 1635 | |
1da177e4 | 1636 | /*===========================================================================*/ |
141fa61f JD |
1637 | static void ray_reset(struct net_device *dev) |
1638 | { | |
624dd669 | 1639 | pr_debug("ray_reset entered\n"); |
141fa61f | 1640 | return; |
1da177e4 | 1641 | } |
141fa61f | 1642 | |
1da177e4 LT |
1643 | /*===========================================================================*/ |
1644 | /* Cause a firmware interrupt if it is ready for one */ | |
1645 | /* Return nonzero if not ready */ | |
1646 | static int interrupt_ecf(ray_dev_t *local, int ccs) | |
1647 | { | |
141fa61f JD |
1648 | int i = 50; |
1649 | struct pcmcia_device *link = local->finder; | |
1650 | ||
1651 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 1652 | dev_dbg(&link->dev, "ray_cs interrupt_ecf - device not present\n"); |
141fa61f JD |
1653 | return -1; |
1654 | } | |
624dd669 | 1655 | dev_dbg(&link->dev, "interrupt_ecf(local=%p, ccs = 0x%x\n", local, ccs); |
141fa61f JD |
1656 | |
1657 | while (i && | |
1658 | (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) & | |
1659 | ECF_INTR_SET)) | |
1660 | i--; | |
1661 | if (i == 0) { | |
624dd669 | 1662 | dev_dbg(&link->dev, "ray_cs interrupt_ecf card not ready for interrupt\n"); |
141fa61f JD |
1663 | return -1; |
1664 | } | |
1da177e4 | 1665 | /* Fill the mailbox, then kick the card */ |
141fa61f JD |
1666 | writeb(ccs, local->sram + SCB_BASE); |
1667 | writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET); | |
1668 | return 0; | |
1da177e4 | 1669 | } /* interrupt_ecf */ |
141fa61f | 1670 | |
1da177e4 LT |
1671 | /*===========================================================================*/ |
1672 | /* Get next free transmit CCS */ | |
1673 | /* Return - index of current tx ccs */ | |
1674 | static int get_free_tx_ccs(ray_dev_t *local) | |
1675 | { | |
141fa61f JD |
1676 | int i; |
1677 | struct ccs __iomem *pccs = ccs_base(local); | |
1678 | struct pcmcia_device *link = local->finder; | |
1da177e4 | 1679 | |
141fa61f | 1680 | if (!(pcmcia_dev_present(link))) { |
624dd669 | 1681 | dev_dbg(&link->dev, "ray_cs get_free_tx_ccs - device not present\n"); |
141fa61f JD |
1682 | return ECARDGONE; |
1683 | } | |
1da177e4 | 1684 | |
141fa61f | 1685 | if (test_and_set_bit(0, &local->tx_ccs_lock)) { |
624dd669 | 1686 | dev_dbg(&link->dev, "ray_cs tx_ccs_lock busy\n"); |
141fa61f JD |
1687 | return ECCSBUSY; |
1688 | } | |
1da177e4 | 1689 | |
141fa61f JD |
1690 | for (i = 0; i < NUMBER_OF_TX_CCS; i++) { |
1691 | if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) { | |
1692 | writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status); | |
1693 | writeb(CCS_END_LIST, &(pccs + i)->link); | |
1da177e4 | 1694 | local->tx_ccs_lock = 0; |
141fa61f JD |
1695 | return i; |
1696 | } | |
1697 | } | |
1da177e4 | 1698 | local->tx_ccs_lock = 0; |
624dd669 | 1699 | dev_dbg(&link->dev, "ray_cs ERROR no free tx CCS for raylink card\n"); |
141fa61f | 1700 | return ECCSFULL; |
1da177e4 | 1701 | } /* get_free_tx_ccs */ |
141fa61f | 1702 | |
1da177e4 LT |
1703 | /*===========================================================================*/ |
1704 | /* Get next free CCS */ | |
1705 | /* Return - index of current ccs */ | |
1706 | static int get_free_ccs(ray_dev_t *local) | |
1707 | { | |
141fa61f JD |
1708 | int i; |
1709 | struct ccs __iomem *pccs = ccs_base(local); | |
1710 | struct pcmcia_device *link = local->finder; | |
1711 | ||
1712 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 1713 | dev_dbg(&link->dev, "ray_cs get_free_ccs - device not present\n"); |
141fa61f JD |
1714 | return ECARDGONE; |
1715 | } | |
1716 | if (test_and_set_bit(0, &local->ccs_lock)) { | |
624dd669 | 1717 | dev_dbg(&link->dev, "ray_cs ccs_lock busy\n"); |
141fa61f JD |
1718 | return ECCSBUSY; |
1719 | } | |
1720 | ||
1721 | for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) { | |
1722 | if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) { | |
1723 | writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status); | |
1724 | writeb(CCS_END_LIST, &(pccs + i)->link); | |
1da177e4 | 1725 | local->ccs_lock = 0; |
141fa61f JD |
1726 | return i; |
1727 | } | |
1728 | } | |
1da177e4 | 1729 | local->ccs_lock = 0; |
624dd669 | 1730 | dev_dbg(&link->dev, "ray_cs ERROR no free CCS for raylink card\n"); |
141fa61f | 1731 | return ECCSFULL; |
1da177e4 | 1732 | } /* get_free_ccs */ |
141fa61f | 1733 | |
1da177e4 LT |
1734 | /*===========================================================================*/ |
1735 | static void authenticate_timeout(u_long data) | |
1736 | { | |
141fa61f JD |
1737 | ray_dev_t *local = (ray_dev_t *) data; |
1738 | del_timer(&local->timer); | |
1739 | printk(KERN_INFO "ray_cs Authentication with access point failed" | |
1740 | " - timeout\n"); | |
1741 | join_net((u_long) local); | |
1da177e4 | 1742 | } |
141fa61f | 1743 | |
1da177e4 LT |
1744 | /*===========================================================================*/ |
1745 | static int asc_to_int(char a) | |
1746 | { | |
141fa61f JD |
1747 | if (a < '0') |
1748 | return -1; | |
1749 | if (a <= '9') | |
1750 | return (a - '0'); | |
1751 | if (a < 'A') | |
1752 | return -1; | |
1753 | if (a <= 'F') | |
1754 | return (10 + a - 'A'); | |
1755 | if (a < 'a') | |
1756 | return -1; | |
1757 | if (a <= 'f') | |
1758 | return (10 + a - 'a'); | |
1759 | return -1; | |
1da177e4 | 1760 | } |
141fa61f | 1761 | |
1da177e4 LT |
1762 | /*===========================================================================*/ |
1763 | static int parse_addr(char *in_str, UCHAR *out) | |
1764 | { | |
141fa61f JD |
1765 | int len; |
1766 | int i, j, k; | |
1767 | int status; | |
1768 | ||
1769 | if (in_str == NULL) | |
1770 | return 0; | |
1771 | if ((len = strlen(in_str)) < 2) | |
1772 | return 0; | |
1773 | memset(out, 0, ADDRLEN); | |
1774 | ||
1775 | status = 1; | |
1776 | j = len - 1; | |
1777 | if (j > 12) | |
1778 | j = 12; | |
1779 | i = 5; | |
1780 | ||
1781 | while (j > 0) { | |
1782 | if ((k = asc_to_int(in_str[j--])) != -1) | |
1783 | out[i] = k; | |
1784 | else | |
1785 | return 0; | |
1786 | ||
1787 | if (j == 0) | |
1788 | break; | |
1789 | if ((k = asc_to_int(in_str[j--])) != -1) | |
1790 | out[i] += k << 4; | |
1791 | else | |
1792 | return 0; | |
1793 | if (!i--) | |
1794 | break; | |
1795 | } | |
1796 | return status; | |
1da177e4 | 1797 | } |
141fa61f | 1798 | |
1da177e4 LT |
1799 | /*===========================================================================*/ |
1800 | static struct net_device_stats *ray_get_stats(struct net_device *dev) | |
1801 | { | |
141fa61f JD |
1802 | ray_dev_t *local = netdev_priv(dev); |
1803 | struct pcmcia_device *link = local->finder; | |
1804 | struct status __iomem *p = local->sram + STATUS_BASE; | |
1805 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 1806 | dev_dbg(&link->dev, "ray_cs net_device_stats - device not present\n"); |
141fa61f JD |
1807 | return &local->stats; |
1808 | } | |
1809 | if (readb(&p->mrx_overflow_for_host)) { | |
1810 | local->stats.rx_over_errors += swab16(readw(&p->mrx_overflow)); | |
1811 | writeb(0, &p->mrx_overflow); | |
1812 | writeb(0, &p->mrx_overflow_for_host); | |
1813 | } | |
1814 | if (readb(&p->mrx_checksum_error_for_host)) { | |
1815 | local->stats.rx_crc_errors += | |
1816 | swab16(readw(&p->mrx_checksum_error)); | |
1817 | writeb(0, &p->mrx_checksum_error); | |
1818 | writeb(0, &p->mrx_checksum_error_for_host); | |
1819 | } | |
1820 | if (readb(&p->rx_hec_error_for_host)) { | |
1821 | local->stats.rx_frame_errors += swab16(readw(&p->rx_hec_error)); | |
1822 | writeb(0, &p->rx_hec_error); | |
1823 | writeb(0, &p->rx_hec_error_for_host); | |
1824 | } | |
1825 | return &local->stats; | |
1da177e4 | 1826 | } |
141fa61f | 1827 | |
1da177e4 | 1828 | /*===========================================================================*/ |
141fa61f JD |
1829 | static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, |
1830 | int len) | |
1831 | { | |
1832 | ray_dev_t *local = netdev_priv(dev); | |
1833 | struct pcmcia_device *link = local->finder; | |
1834 | int ccsindex; | |
1835 | int i; | |
1836 | struct ccs __iomem *pccs; | |
1837 | ||
1838 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 1839 | dev_dbg(&link->dev, "ray_update_parm - device not present\n"); |
141fa61f JD |
1840 | return; |
1841 | } | |
1842 | ||
1843 | if ((ccsindex = get_free_ccs(local)) < 0) { | |
624dd669 | 1844 | dev_dbg(&link->dev, "ray_update_parm - No free ccs\n"); |
141fa61f JD |
1845 | return; |
1846 | } | |
1847 | pccs = ccs_base(local) + ccsindex; | |
1848 | writeb(CCS_UPDATE_PARAMS, &pccs->cmd); | |
1849 | writeb(objid, &pccs->var.update_param.object_id); | |
1850 | writeb(1, &pccs->var.update_param.number_objects); | |
1851 | writeb(0, &pccs->var.update_param.failure_cause); | |
1852 | for (i = 0; i < len; i++) { | |
1853 | writeb(value[i], local->sram + HOST_TO_ECF_BASE); | |
1854 | } | |
1855 | /* Interrupt the firmware to process the command */ | |
1856 | if (interrupt_ecf(local, ccsindex)) { | |
624dd669 | 1857 | dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n"); |
141fa61f JD |
1858 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); |
1859 | } | |
1da177e4 | 1860 | } |
141fa61f | 1861 | |
1da177e4 LT |
1862 | /*===========================================================================*/ |
1863 | static void ray_update_multi_list(struct net_device *dev, int all) | |
1864 | { | |
141fa61f JD |
1865 | int ccsindex; |
1866 | struct ccs __iomem *pccs; | |
141fa61f JD |
1867 | ray_dev_t *local = netdev_priv(dev); |
1868 | struct pcmcia_device *link = local->finder; | |
1869 | void __iomem *p = local->sram + HOST_TO_ECF_BASE; | |
1870 | ||
1871 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 1872 | dev_dbg(&link->dev, "ray_update_multi_list - device not present\n"); |
141fa61f JD |
1873 | return; |
1874 | } else | |
624dd669 | 1875 | dev_dbg(&link->dev, "ray_update_multi_list(%p)\n", dev); |
141fa61f | 1876 | if ((ccsindex = get_free_ccs(local)) < 0) { |
624dd669 | 1877 | dev_dbg(&link->dev, "ray_update_multi - No free ccs\n"); |
141fa61f JD |
1878 | return; |
1879 | } | |
1880 | pccs = ccs_base(local) + ccsindex; | |
1881 | writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd); | |
1882 | ||
1883 | if (all) { | |
1884 | writeb(0xff, &pccs->var); | |
1885 | local->num_multi = 0xff; | |
1886 | } else { | |
655ffee2 JP |
1887 | struct dev_mc_list *dmi; |
1888 | int i = 0; | |
1889 | ||
141fa61f | 1890 | /* Copy the kernel's list of MC addresses to card */ |
655ffee2 | 1891 | netdev_for_each_mc_addr(dmi, dev) { |
141fa61f | 1892 | memcpy_toio(p, dmi->dmi_addr, ETH_ALEN); |
624dd669 | 1893 | dev_dbg(&link->dev, |
141fa61f JD |
1894 | "ray_update_multi add addr %02x%02x%02x%02x%02x%02x\n", |
1895 | dmi->dmi_addr[0], dmi->dmi_addr[1], | |
1896 | dmi->dmi_addr[2], dmi->dmi_addr[3], | |
1897 | dmi->dmi_addr[4], dmi->dmi_addr[5]); | |
1898 | p += ETH_ALEN; | |
1899 | i++; | |
1900 | } | |
1901 | if (i > 256 / ADDRLEN) | |
1902 | i = 256 / ADDRLEN; | |
1903 | writeb((UCHAR) i, &pccs->var); | |
624dd669 | 1904 | dev_dbg(&link->dev, "ray_cs update_multi %d addresses in list\n", i); |
141fa61f JD |
1905 | /* Interrupt the firmware to process the command */ |
1906 | local->num_multi = i; | |
1907 | } | |
1908 | if (interrupt_ecf(local, ccsindex)) { | |
624dd669 | 1909 | dev_dbg(&link->dev, |
141fa61f JD |
1910 | "ray_cs update_multi failed - ECF not ready for intr\n"); |
1911 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); | |
1912 | } | |
1da177e4 | 1913 | } /* end ray_update_multi_list */ |
141fa61f | 1914 | |
1da177e4 LT |
1915 | /*===========================================================================*/ |
1916 | static void set_multicast_list(struct net_device *dev) | |
1917 | { | |
141fa61f JD |
1918 | ray_dev_t *local = netdev_priv(dev); |
1919 | UCHAR promisc; | |
1920 | ||
624dd669 | 1921 | pr_debug("ray_cs set_multicast_list(%p)\n", dev); |
141fa61f JD |
1922 | |
1923 | if (dev->flags & IFF_PROMISC) { | |
1924 | if (local->sparm.b5.a_promiscuous_mode == 0) { | |
624dd669 | 1925 | pr_debug("ray_cs set_multicast_list promisc on\n"); |
141fa61f JD |
1926 | local->sparm.b5.a_promiscuous_mode = 1; |
1927 | promisc = 1; | |
1928 | ray_update_parm(dev, OBJID_promiscuous_mode, | |
1929 | &promisc, sizeof(promisc)); | |
1930 | } | |
1931 | } else { | |
1932 | if (local->sparm.b5.a_promiscuous_mode == 1) { | |
624dd669 | 1933 | pr_debug("ray_cs set_multicast_list promisc off\n"); |
141fa61f JD |
1934 | local->sparm.b5.a_promiscuous_mode = 0; |
1935 | promisc = 0; | |
1936 | ray_update_parm(dev, OBJID_promiscuous_mode, | |
1937 | &promisc, sizeof(promisc)); | |
1938 | } | |
1939 | } | |
1940 | ||
1941 | if (dev->flags & IFF_ALLMULTI) | |
1942 | ray_update_multi_list(dev, 1); | |
1943 | else { | |
4cd24eaf | 1944 | if (local->num_multi != netdev_mc_count(dev)) |
141fa61f JD |
1945 | ray_update_multi_list(dev, 0); |
1946 | } | |
1da177e4 | 1947 | } /* end set_multicast_list */ |
141fa61f | 1948 | |
1da177e4 LT |
1949 | /*============================================================================= |
1950 | * All routines below here are run at interrupt time. | |
1951 | =============================================================================*/ | |
7d12e780 | 1952 | static irqreturn_t ray_interrupt(int irq, void *dev_id) |
1da177e4 | 1953 | { |
141fa61f JD |
1954 | struct net_device *dev = (struct net_device *)dev_id; |
1955 | struct pcmcia_device *link; | |
1956 | ray_dev_t *local; | |
1957 | struct ccs __iomem *pccs; | |
1958 | struct rcs __iomem *prcs; | |
1959 | UCHAR rcsindex; | |
1960 | UCHAR tmp; | |
1961 | UCHAR cmd; | |
1962 | UCHAR status; | |
1963 | ||
1964 | if (dev == NULL) /* Note that we want interrupts with dev->start == 0 */ | |
1965 | return IRQ_NONE; | |
1966 | ||
624dd669 | 1967 | pr_debug("ray_cs: interrupt for *dev=%p\n", dev); |
141fa61f JD |
1968 | |
1969 | local = netdev_priv(dev); | |
1970 | link = (struct pcmcia_device *)local->finder; | |
1971 | if (!pcmcia_dev_present(link)) { | |
624dd669 DB |
1972 | pr_debug( |
1973 | "ray_cs interrupt from device not present or suspended.\n"); | |
141fa61f JD |
1974 | return IRQ_NONE; |
1975 | } | |
1976 | rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index); | |
1977 | ||
1978 | if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) { | |
624dd669 | 1979 | dev_dbg(&link->dev, "ray_cs interrupt bad rcsindex = 0x%x\n", rcsindex); |
141fa61f JD |
1980 | clear_interrupt(local); |
1981 | return IRQ_HANDLED; | |
1982 | } | |
1983 | if (rcsindex < NUMBER_OF_CCS) { /* If it's a returned CCS */ | |
1984 | pccs = ccs_base(local) + rcsindex; | |
1985 | cmd = readb(&pccs->cmd); | |
1986 | status = readb(&pccs->buffer_status); | |
1987 | switch (cmd) { | |
1988 | case CCS_DOWNLOAD_STARTUP_PARAMS: /* Happens in firmware someday */ | |
1989 | del_timer(&local->timer); | |
1990 | if (status == CCS_COMMAND_COMPLETE) { | |
624dd669 | 1991 | dev_dbg(&link->dev, |
141fa61f JD |
1992 | "ray_cs interrupt download_startup_parameters OK\n"); |
1993 | } else { | |
624dd669 | 1994 | dev_dbg(&link->dev, |
141fa61f JD |
1995 | "ray_cs interrupt download_startup_parameters fail\n"); |
1996 | } | |
1997 | break; | |
1998 | case CCS_UPDATE_PARAMS: | |
624dd669 | 1999 | dev_dbg(&link->dev, "ray_cs interrupt update params done\n"); |
141fa61f JD |
2000 | if (status != CCS_COMMAND_COMPLETE) { |
2001 | tmp = | |
2002 | readb(&pccs->var.update_param. | |
2003 | failure_cause); | |
624dd669 | 2004 | dev_dbg(&link->dev, |
141fa61f JD |
2005 | "ray_cs interrupt update params failed - reason %d\n", |
2006 | tmp); | |
2007 | } | |
2008 | break; | |
2009 | case CCS_REPORT_PARAMS: | |
624dd669 | 2010 | dev_dbg(&link->dev, "ray_cs interrupt report params done\n"); |
141fa61f JD |
2011 | break; |
2012 | case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */ | |
624dd669 | 2013 | dev_dbg(&link->dev, |
141fa61f JD |
2014 | "ray_cs interrupt CCS Update Multicast List done\n"); |
2015 | break; | |
2016 | case CCS_UPDATE_POWER_SAVINGS_MODE: | |
624dd669 | 2017 | dev_dbg(&link->dev, |
141fa61f JD |
2018 | "ray_cs interrupt update power save mode done\n"); |
2019 | break; | |
2020 | case CCS_START_NETWORK: | |
2021 | case CCS_JOIN_NETWORK: | |
2022 | if (status == CCS_COMMAND_COMPLETE) { | |
2023 | if (readb | |
2024 | (&pccs->var.start_network.net_initiated) == | |
2025 | 1) { | |
624dd669 | 2026 | dev_dbg(&link->dev, |
141fa61f JD |
2027 | "ray_cs interrupt network \"%s\" started\n", |
2028 | local->sparm.b4.a_current_ess_id); | |
2029 | } else { | |
624dd669 | 2030 | dev_dbg(&link->dev, |
141fa61f JD |
2031 | "ray_cs interrupt network \"%s\" joined\n", |
2032 | local->sparm.b4.a_current_ess_id); | |
2033 | } | |
2034 | memcpy_fromio(&local->bss_id, | |
2035 | pccs->var.start_network.bssid, | |
2036 | ADDRLEN); | |
2037 | ||
2038 | if (local->fw_ver == 0x55) | |
2039 | local->net_default_tx_rate = 3; | |
2040 | else | |
2041 | local->net_default_tx_rate = | |
2042 | readb(&pccs->var.start_network. | |
2043 | net_default_tx_rate); | |
2044 | local->encryption = | |
2045 | readb(&pccs->var.start_network.encryption); | |
2046 | if (!sniffer && (local->net_type == INFRA) | |
2047 | && !(local->sparm.b4.a_acting_as_ap_status)) { | |
2048 | authenticate(local); | |
2049 | } | |
2050 | local->card_status = CARD_ACQ_COMPLETE; | |
2051 | } else { | |
2052 | local->card_status = CARD_ACQ_FAILED; | |
2053 | ||
2054 | del_timer(&local->timer); | |
2055 | local->timer.expires = jiffies + HZ * 5; | |
2056 | local->timer.data = (long)local; | |
2057 | if (status == CCS_START_NETWORK) { | |
624dd669 | 2058 | dev_dbg(&link->dev, |
141fa61f JD |
2059 | "ray_cs interrupt network \"%s\" start failed\n", |
2060 | local->sparm.b4.a_current_ess_id); | |
2061 | local->timer.function = &start_net; | |
2062 | } else { | |
624dd669 | 2063 | dev_dbg(&link->dev, |
141fa61f JD |
2064 | "ray_cs interrupt network \"%s\" join failed\n", |
2065 | local->sparm.b4.a_current_ess_id); | |
2066 | local->timer.function = &join_net; | |
2067 | } | |
2068 | add_timer(&local->timer); | |
2069 | } | |
2070 | break; | |
2071 | case CCS_START_ASSOCIATION: | |
2072 | if (status == CCS_COMMAND_COMPLETE) { | |
2073 | local->card_status = CARD_ASSOC_COMPLETE; | |
624dd669 | 2074 | dev_dbg(&link->dev, "ray_cs association successful\n"); |
141fa61f | 2075 | } else { |
624dd669 | 2076 | dev_dbg(&link->dev, "ray_cs association failed,\n"); |
141fa61f JD |
2077 | local->card_status = CARD_ASSOC_FAILED; |
2078 | join_net((u_long) local); | |
2079 | } | |
2080 | break; | |
2081 | case CCS_TX_REQUEST: | |
2082 | if (status == CCS_COMMAND_COMPLETE) { | |
624dd669 | 2083 | dev_dbg(&link->dev, |
141fa61f JD |
2084 | "ray_cs interrupt tx request complete\n"); |
2085 | } else { | |
624dd669 | 2086 | dev_dbg(&link->dev, |
141fa61f JD |
2087 | "ray_cs interrupt tx request failed\n"); |
2088 | } | |
2089 | if (!sniffer) | |
2090 | netif_start_queue(dev); | |
2091 | netif_wake_queue(dev); | |
2092 | break; | |
2093 | case CCS_TEST_MEMORY: | |
624dd669 | 2094 | dev_dbg(&link->dev, "ray_cs interrupt mem test done\n"); |
141fa61f JD |
2095 | break; |
2096 | case CCS_SHUTDOWN: | |
624dd669 | 2097 | dev_dbg(&link->dev, |
141fa61f JD |
2098 | "ray_cs interrupt Unexpected CCS returned - Shutdown\n"); |
2099 | break; | |
2100 | case CCS_DUMP_MEMORY: | |
624dd669 | 2101 | dev_dbg(&link->dev, "ray_cs interrupt dump memory done\n"); |
141fa61f JD |
2102 | break; |
2103 | case CCS_START_TIMER: | |
624dd669 | 2104 | dev_dbg(&link->dev, |
141fa61f JD |
2105 | "ray_cs interrupt DING - raylink timer expired\n"); |
2106 | break; | |
2107 | default: | |
624dd669 | 2108 | dev_dbg(&link->dev, |
141fa61f JD |
2109 | "ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n", |
2110 | rcsindex, cmd); | |
2111 | } | |
2112 | writeb(CCS_BUFFER_FREE, &pccs->buffer_status); | |
2113 | } else { /* It's an RCS */ | |
2114 | ||
2115 | prcs = rcs_base(local) + rcsindex; | |
2116 | ||
2117 | switch (readb(&prcs->interrupt_id)) { | |
2118 | case PROCESS_RX_PACKET: | |
2119 | ray_rx(dev, local, prcs); | |
2120 | break; | |
2121 | case REJOIN_NET_COMPLETE: | |
624dd669 | 2122 | dev_dbg(&link->dev, "ray_cs interrupt rejoin net complete\n"); |
141fa61f JD |
2123 | local->card_status = CARD_ACQ_COMPLETE; |
2124 | /* do we need to clear tx buffers CCS's? */ | |
2125 | if (local->sparm.b4.a_network_type == ADHOC) { | |
2126 | if (!sniffer) | |
2127 | netif_start_queue(dev); | |
2128 | } else { | |
2129 | memcpy_fromio(&local->bss_id, | |
2130 | prcs->var.rejoin_net_complete. | |
2131 | bssid, ADDRLEN); | |
624dd669 | 2132 | dev_dbg(&link->dev, |
141fa61f JD |
2133 | "ray_cs new BSSID = %02x%02x%02x%02x%02x%02x\n", |
2134 | local->bss_id[0], local->bss_id[1], | |
2135 | local->bss_id[2], local->bss_id[3], | |
2136 | local->bss_id[4], local->bss_id[5]); | |
2137 | if (!sniffer) | |
2138 | authenticate(local); | |
2139 | } | |
2140 | break; | |
2141 | case ROAMING_INITIATED: | |
624dd669 | 2142 | dev_dbg(&link->dev, "ray_cs interrupt roaming initiated\n"); |
141fa61f JD |
2143 | netif_stop_queue(dev); |
2144 | local->card_status = CARD_DOING_ACQ; | |
2145 | break; | |
2146 | case JAPAN_CALL_SIGN_RXD: | |
624dd669 | 2147 | dev_dbg(&link->dev, "ray_cs interrupt japan call sign rx\n"); |
141fa61f JD |
2148 | break; |
2149 | default: | |
624dd669 | 2150 | dev_dbg(&link->dev, |
141fa61f JD |
2151 | "ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n", |
2152 | rcsindex, | |
2153 | (unsigned int)readb(&prcs->interrupt_id)); | |
2154 | break; | |
2155 | } | |
2156 | writeb(CCS_BUFFER_FREE, &prcs->buffer_status); | |
2157 | } | |
2158 | clear_interrupt(local); | |
2159 | return IRQ_HANDLED; | |
1da177e4 | 2160 | } /* ray_interrupt */ |
141fa61f | 2161 | |
1da177e4 | 2162 | /*===========================================================================*/ |
141fa61f JD |
2163 | static void ray_rx(struct net_device *dev, ray_dev_t *local, |
2164 | struct rcs __iomem *prcs) | |
2165 | { | |
2166 | int rx_len; | |
2167 | unsigned int pkt_addr; | |
2168 | void __iomem *pmsg; | |
624dd669 | 2169 | pr_debug("ray_rx process rx packet\n"); |
141fa61f JD |
2170 | |
2171 | /* Calculate address of packet within Rx buffer */ | |
2172 | pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8) | |
2173 | + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END; | |
2174 | /* Length of first packet fragment */ | |
2175 | rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8) | |
2176 | + readb(&prcs->var.rx_packet.rx_data_length[1]); | |
2177 | ||
2178 | local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev); | |
2179 | pmsg = local->rmem + pkt_addr; | |
2180 | switch (readb(pmsg)) { | |
2181 | case DATA_TYPE: | |
624dd669 | 2182 | pr_debug("ray_rx data type\n"); |
141fa61f JD |
2183 | rx_data(dev, prcs, pkt_addr, rx_len); |
2184 | break; | |
2185 | case AUTHENTIC_TYPE: | |
624dd669 | 2186 | pr_debug("ray_rx authentic type\n"); |
141fa61f JD |
2187 | if (sniffer) |
2188 | rx_data(dev, prcs, pkt_addr, rx_len); | |
2189 | else | |
2190 | rx_authenticate(local, prcs, pkt_addr, rx_len); | |
2191 | break; | |
2192 | case DEAUTHENTIC_TYPE: | |
624dd669 | 2193 | pr_debug("ray_rx deauth type\n"); |
141fa61f JD |
2194 | if (sniffer) |
2195 | rx_data(dev, prcs, pkt_addr, rx_len); | |
2196 | else | |
2197 | rx_deauthenticate(local, prcs, pkt_addr, rx_len); | |
2198 | break; | |
2199 | case NULL_MSG_TYPE: | |
624dd669 | 2200 | pr_debug("ray_cs rx NULL msg\n"); |
141fa61f JD |
2201 | break; |
2202 | case BEACON_TYPE: | |
624dd669 | 2203 | pr_debug("ray_rx beacon type\n"); |
141fa61f JD |
2204 | if (sniffer) |
2205 | rx_data(dev, prcs, pkt_addr, rx_len); | |
2206 | ||
2207 | copy_from_rx_buff(local, (UCHAR *) &local->last_bcn, pkt_addr, | |
2208 | rx_len < sizeof(struct beacon_rx) ? | |
2209 | rx_len : sizeof(struct beacon_rx)); | |
2210 | ||
2211 | local->beacon_rxed = 1; | |
2212 | /* Get the statistics so the card counters never overflow */ | |
2213 | ray_get_stats(dev); | |
2214 | break; | |
2215 | default: | |
624dd669 | 2216 | pr_debug("ray_cs unknown pkt type %2x\n", |
141fa61f JD |
2217 | (unsigned int)readb(pmsg)); |
2218 | break; | |
2219 | } | |
1da177e4 LT |
2220 | |
2221 | } /* end ray_rx */ | |
141fa61f | 2222 | |
1da177e4 | 2223 | /*===========================================================================*/ |
141fa61f JD |
2224 | static void rx_data(struct net_device *dev, struct rcs __iomem *prcs, |
2225 | unsigned int pkt_addr, int rx_len) | |
2226 | { | |
2227 | struct sk_buff *skb = NULL; | |
2228 | struct rcs __iomem *prcslink = prcs; | |
2229 | ray_dev_t *local = netdev_priv(dev); | |
2230 | UCHAR *rx_ptr; | |
2231 | int total_len; | |
2232 | int tmp; | |
1da177e4 | 2233 | #ifdef WIRELESS_SPY |
141fa61f JD |
2234 | int siglev = local->last_rsl; |
2235 | u_char linksrcaddr[ETH_ALEN]; /* Other end of the wireless link */ | |
1da177e4 LT |
2236 | #endif |
2237 | ||
141fa61f JD |
2238 | if (!sniffer) { |
2239 | if (translate) { | |
1da177e4 | 2240 | /* TBD length needs fixing for translated header */ |
141fa61f JD |
2241 | if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) || |
2242 | rx_len > | |
2243 | (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN + | |
2244 | FCS_LEN)) { | |
624dd669 | 2245 | pr_debug( |
141fa61f JD |
2246 | "ray_cs invalid packet length %d received \n", |
2247 | rx_len); | |
2248 | return; | |
2249 | } | |
2250 | } else { /* encapsulated ethernet */ | |
2251 | ||
2252 | if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) || | |
2253 | rx_len > | |
2254 | (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN + | |
2255 | FCS_LEN)) { | |
624dd669 | 2256 | pr_debug( |
141fa61f JD |
2257 | "ray_cs invalid packet length %d received \n", |
2258 | rx_len); | |
2259 | return; | |
2260 | } | |
2261 | } | |
2262 | } | |
624dd669 | 2263 | pr_debug("ray_cs rx_data packet\n"); |
141fa61f JD |
2264 | /* If fragmented packet, verify sizes of fragments add up */ |
2265 | if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) { | |
624dd669 | 2266 | pr_debug("ray_cs rx'ed fragment\n"); |
141fa61f JD |
2267 | tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8) |
2268 | + readb(&prcs->var.rx_packet.totalpacketlength[1]); | |
2269 | total_len = tmp; | |
2270 | prcslink = prcs; | |
2271 | do { | |
2272 | tmp -= | |
2273 | (readb(&prcslink->var.rx_packet.rx_data_length[0]) | |
2274 | << 8) | |
2275 | + readb(&prcslink->var.rx_packet.rx_data_length[1]); | |
2276 | if (readb(&prcslink->var.rx_packet.next_frag_rcs_index) | |
2277 | == 0xFF || tmp < 0) | |
2278 | break; | |
2279 | prcslink = rcs_base(local) | |
2280 | + readb(&prcslink->link_field); | |
2281 | } while (1); | |
2282 | ||
2283 | if (tmp < 0) { | |
624dd669 | 2284 | pr_debug( |
141fa61f JD |
2285 | "ray_cs rx_data fragment lengths don't add up\n"); |
2286 | local->stats.rx_dropped++; | |
2287 | release_frag_chain(local, prcs); | |
2288 | return; | |
2289 | } | |
2290 | } else { /* Single unfragmented packet */ | |
2291 | total_len = rx_len; | |
2292 | } | |
2293 | ||
2294 | skb = dev_alloc_skb(total_len + 5); | |
2295 | if (skb == NULL) { | |
624dd669 | 2296 | pr_debug("ray_cs rx_data could not allocate skb\n"); |
141fa61f JD |
2297 | local->stats.rx_dropped++; |
2298 | if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) | |
2299 | release_frag_chain(local, prcs); | |
2300 | return; | |
2301 | } | |
2302 | skb_reserve(skb, 2); /* Align IP on 16 byte (TBD check this) */ | |
2303 | ||
624dd669 | 2304 | pr_debug("ray_cs rx_data total_len = %x, rx_len = %x\n", total_len, |
141fa61f | 2305 | rx_len); |
1da177e4 LT |
2306 | |
2307 | /************************/ | |
141fa61f JD |
2308 | /* Reserve enough room for the whole damn packet. */ |
2309 | rx_ptr = skb_put(skb, total_len); | |
2310 | /* Copy the whole packet to sk_buff */ | |
2311 | rx_ptr += | |
2312 | copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len); | |
2313 | /* Get source address */ | |
1da177e4 | 2314 | #ifdef WIRELESS_SPY |
141fa61f JD |
2315 | skb_copy_from_linear_data_offset(skb, |
2316 | offsetof(struct mac_header, addr_2), | |
2317 | linksrcaddr, ETH_ALEN); | |
1da177e4 | 2318 | #endif |
141fa61f JD |
2319 | /* Now, deal with encapsulation/translation/sniffer */ |
2320 | if (!sniffer) { | |
2321 | if (!translate) { | |
2322 | /* Encapsulated ethernet, so just lop off 802.11 MAC header */ | |
1da177e4 | 2323 | /* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */ |
141fa61f JD |
2324 | skb_pull(skb, RX_MAC_HEADER_LENGTH); |
2325 | } else { | |
2326 | /* Do translation */ | |
2327 | untranslate(local, skb, total_len); | |
2328 | } | |
2329 | } else { /* sniffer mode, so just pass whole packet */ | |
2330 | }; | |
1da177e4 LT |
2331 | |
2332 | /************************/ | |
141fa61f JD |
2333 | /* Now pick up the rest of the fragments if any */ |
2334 | tmp = 17; | |
2335 | if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) { | |
2336 | prcslink = prcs; | |
624dd669 | 2337 | pr_debug("ray_cs rx_data in fragment loop\n"); |
141fa61f JD |
2338 | do { |
2339 | prcslink = rcs_base(local) | |
2340 | + | |
2341 | readb(&prcslink->var.rx_packet.next_frag_rcs_index); | |
2342 | rx_len = | |
2343 | ((readb(&prcslink->var.rx_packet.rx_data_length[0]) | |
2344 | << 8) | |
2345 | + | |
2346 | readb(&prcslink->var.rx_packet.rx_data_length[1])) | |
2347 | & RX_BUFF_END; | |
2348 | pkt_addr = | |
2349 | ((readb(&prcslink->var.rx_packet.rx_data_ptr[0]) << | |
2350 | 8) | |
2351 | + readb(&prcslink->var.rx_packet.rx_data_ptr[1])) | |
2352 | & RX_BUFF_END; | |
2353 | ||
2354 | rx_ptr += | |
2355 | copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len); | |
2356 | ||
2357 | } while (tmp-- && | |
2358 | readb(&prcslink->var.rx_packet.next_frag_rcs_index) != | |
2359 | 0xFF); | |
2360 | release_frag_chain(local, prcs); | |
2361 | } | |
2362 | ||
2363 | skb->protocol = eth_type_trans(skb, dev); | |
2364 | netif_rx(skb); | |
2365 | local->stats.rx_packets++; | |
2366 | local->stats.rx_bytes += total_len; | |
2367 | ||
2368 | /* Gather signal strength per address */ | |
1da177e4 | 2369 | #ifdef WIRELESS_SPY |
141fa61f JD |
2370 | /* For the Access Point or the node having started the ad-hoc net |
2371 | * note : ad-hoc work only in some specific configurations, but we | |
2372 | * kludge in ray_get_wireless_stats... */ | |
2373 | if (!memcmp(linksrcaddr, local->bss_id, ETH_ALEN)) { | |
2374 | /* Update statistics */ | |
2375 | /*local->wstats.qual.qual = none ? */ | |
2376 | local->wstats.qual.level = siglev; | |
2377 | /*local->wstats.qual.noise = none ? */ | |
2378 | local->wstats.qual.updated = 0x2; | |
2379 | } | |
2380 | /* Now, update the spy stuff */ | |
2381 | { | |
2382 | struct iw_quality wstats; | |
2383 | wstats.level = siglev; | |
2384 | /* wstats.noise = none ? */ | |
2385 | /* wstats.qual = none ? */ | |
2386 | wstats.updated = 0x2; | |
2387 | /* Update spy records */ | |
2388 | wireless_spy_update(dev, linksrcaddr, &wstats); | |
2389 | } | |
2390 | #endif /* WIRELESS_SPY */ | |
1da177e4 | 2391 | } /* end rx_data */ |
141fa61f | 2392 | |
1da177e4 LT |
2393 | /*===========================================================================*/ |
2394 | static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len) | |
2395 | { | |
141fa61f JD |
2396 | snaphdr_t *psnap = (snaphdr_t *) (skb->data + RX_MAC_HEADER_LENGTH); |
2397 | struct ieee80211_hdr *pmac = (struct ieee80211_hdr *)skb->data; | |
2398 | __be16 type = *(__be16 *) psnap->ethertype; | |
2399 | int delta; | |
2400 | struct ethhdr *peth; | |
2401 | UCHAR srcaddr[ADDRLEN]; | |
2402 | UCHAR destaddr[ADDRLEN]; | |
2403 | static UCHAR org_bridge[3] = { 0, 0, 0xf8 }; | |
2404 | static UCHAR org_1042[3] = { 0, 0, 0 }; | |
1da177e4 | 2405 | |
141fa61f JD |
2406 | memcpy(destaddr, ieee80211_get_DA(pmac), ADDRLEN); |
2407 | memcpy(srcaddr, ieee80211_get_SA(pmac), ADDRLEN); | |
1da177e4 | 2408 | |
624dd669 DB |
2409 | #if 0 |
2410 | if { | |
ad361c98 JP |
2411 | print_hex_dump(KERN_DEBUG, "skb->data before untranslate: ", |
2412 | DUMP_PREFIX_NONE, 16, 1, | |
2413 | skb->data, 64, true); | |
2414 | printk(KERN_DEBUG | |
141fa61f JD |
2415 | "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n", |
2416 | ntohs(type), psnap->dsap, psnap->ssap, psnap->ctrl, | |
2417 | psnap->org[0], psnap->org[1], psnap->org[2]); | |
2418 | printk(KERN_DEBUG "untranslate skb->data = %p\n", skb->data); | |
2419 | } | |
1da177e4 LT |
2420 | #endif |
2421 | ||
141fa61f JD |
2422 | if (psnap->dsap != 0xaa || psnap->ssap != 0xaa || psnap->ctrl != 3) { |
2423 | /* not a snap type so leave it alone */ | |
624dd669 | 2424 | pr_debug("ray_cs untranslate NOT SNAP %02x %02x %02x\n", |
141fa61f JD |
2425 | psnap->dsap, psnap->ssap, psnap->ctrl); |
2426 | ||
2427 | delta = RX_MAC_HEADER_LENGTH - ETH_HLEN; | |
2428 | peth = (struct ethhdr *)(skb->data + delta); | |
2429 | peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH); | |
2430 | } else { /* Its a SNAP */ | |
2431 | if (memcmp(psnap->org, org_bridge, 3) == 0) { | |
2432 | /* EtherII and nuke the LLC */ | |
624dd669 | 2433 | pr_debug("ray_cs untranslate Bridge encap\n"); |
141fa61f JD |
2434 | delta = RX_MAC_HEADER_LENGTH |
2435 | + sizeof(struct snaphdr_t) - ETH_HLEN; | |
2436 | peth = (struct ethhdr *)(skb->data + delta); | |
2437 | peth->h_proto = type; | |
2438 | } else if (memcmp(psnap->org, org_1042, 3) == 0) { | |
2439 | switch (ntohs(type)) { | |
2440 | case ETH_P_IPX: | |
2441 | case ETH_P_AARP: | |
624dd669 | 2442 | pr_debug("ray_cs untranslate RFC IPX/AARP\n"); |
141fa61f JD |
2443 | delta = RX_MAC_HEADER_LENGTH - ETH_HLEN; |
2444 | peth = (struct ethhdr *)(skb->data + delta); | |
2445 | peth->h_proto = | |
2446 | htons(len - RX_MAC_HEADER_LENGTH); | |
2447 | break; | |
2448 | default: | |
624dd669 | 2449 | pr_debug("ray_cs untranslate RFC default\n"); |
141fa61f JD |
2450 | delta = RX_MAC_HEADER_LENGTH + |
2451 | sizeof(struct snaphdr_t) - ETH_HLEN; | |
2452 | peth = (struct ethhdr *)(skb->data + delta); | |
2453 | peth->h_proto = type; | |
2454 | break; | |
2455 | } | |
2456 | } else { | |
2457 | printk("ray_cs untranslate very confused by packet\n"); | |
2458 | delta = RX_MAC_HEADER_LENGTH - ETH_HLEN; | |
2459 | peth = (struct ethhdr *)(skb->data + delta); | |
2460 | peth->h_proto = type; | |
2461 | } | |
7698d697 | 2462 | } |
1da177e4 | 2463 | /* TBD reserve skb_reserve(skb, delta); */ |
141fa61f | 2464 | skb_pull(skb, delta); |
624dd669 | 2465 | pr_debug("untranslate after skb_pull(%d), skb->data = %p\n", delta, |
141fa61f JD |
2466 | skb->data); |
2467 | memcpy(peth->h_dest, destaddr, ADDRLEN); | |
2468 | memcpy(peth->h_source, srcaddr, ADDRLEN); | |
624dd669 DB |
2469 | #if 0 |
2470 | { | |
141fa61f JD |
2471 | int i; |
2472 | printk(KERN_DEBUG "skb->data after untranslate:"); | |
2473 | for (i = 0; i < 64; i++) | |
2474 | printk("%02x ", skb->data[i]); | |
2475 | printk("\n"); | |
2476 | } | |
1da177e4 LT |
2477 | #endif |
2478 | } /* end untranslate */ | |
141fa61f | 2479 | |
1da177e4 LT |
2480 | /*===========================================================================*/ |
2481 | /* Copy data from circular receive buffer to PC memory. | |
2482 | * dest = destination address in PC memory | |
2483 | * pkt_addr = source address in receive buffer | |
2484 | * len = length of packet to copy | |
2485 | */ | |
141fa61f JD |
2486 | static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, |
2487 | int length) | |
2488 | { | |
2489 | int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1); | |
2490 | if (wrap_bytes <= 0) { | |
2491 | memcpy_fromio(dest, local->rmem + pkt_addr, length); | |
2492 | } else { /* Packet wrapped in circular buffer */ | |
2493 | ||
2494 | memcpy_fromio(dest, local->rmem + pkt_addr, | |
2495 | length - wrap_bytes); | |
2496 | memcpy_fromio(dest + length - wrap_bytes, local->rmem, | |
2497 | wrap_bytes); | |
2498 | } | |
2499 | return length; | |
1da177e4 | 2500 | } |
141fa61f | 2501 | |
1da177e4 | 2502 | /*===========================================================================*/ |
141fa61f JD |
2503 | static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs) |
2504 | { | |
2505 | struct rcs __iomem *prcslink = prcs; | |
2506 | int tmp = 17; | |
2507 | unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index); | |
2508 | ||
2509 | while (tmp--) { | |
2510 | writeb(CCS_BUFFER_FREE, &prcslink->buffer_status); | |
2511 | if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) { | |
624dd669 | 2512 | pr_debug("ray_cs interrupt bad rcsindex = 0x%x\n", |
141fa61f JD |
2513 | rcsindex); |
2514 | break; | |
2515 | } | |
2516 | prcslink = rcs_base(local) + rcsindex; | |
2517 | rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index); | |
2518 | } | |
2519 | writeb(CCS_BUFFER_FREE, &prcslink->buffer_status); | |
1da177e4 | 2520 | } |
141fa61f | 2521 | |
1da177e4 LT |
2522 | /*===========================================================================*/ |
2523 | static void authenticate(ray_dev_t *local) | |
2524 | { | |
141fa61f | 2525 | struct pcmcia_device *link = local->finder; |
624dd669 | 2526 | dev_dbg(&link->dev, "ray_cs Starting authentication.\n"); |
141fa61f | 2527 | if (!(pcmcia_dev_present(link))) { |
624dd669 | 2528 | dev_dbg(&link->dev, "ray_cs authenticate - device not present\n"); |
141fa61f JD |
2529 | return; |
2530 | } | |
2531 | ||
2532 | del_timer(&local->timer); | |
2533 | if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) { | |
2534 | local->timer.function = &join_net; | |
2535 | } else { | |
2536 | local->timer.function = &authenticate_timeout; | |
2537 | } | |
2538 | local->timer.expires = jiffies + HZ * 2; | |
2539 | local->timer.data = (long)local; | |
2540 | add_timer(&local->timer); | |
2541 | local->authentication_state = AWAITING_RESPONSE; | |
1da177e4 | 2542 | } /* end authenticate */ |
141fa61f | 2543 | |
1da177e4 LT |
2544 | /*===========================================================================*/ |
2545 | static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs, | |
141fa61f JD |
2546 | unsigned int pkt_addr, int rx_len) |
2547 | { | |
2548 | UCHAR buff[256]; | |
2549 | struct rx_msg *msg = (struct rx_msg *)buff; | |
2550 | ||
2551 | del_timer(&local->timer); | |
2552 | ||
2553 | copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff); | |
2554 | /* if we are trying to get authenticated */ | |
2555 | if (local->sparm.b4.a_network_type == ADHOC) { | |
624dd669 | 2556 | pr_debug("ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n", |
141fa61f JD |
2557 | msg->var[0], msg->var[1], msg->var[2], msg->var[3], |
2558 | msg->var[4], msg->var[5]); | |
2559 | if (msg->var[2] == 1) { | |
624dd669 | 2560 | pr_debug("ray_cs Sending authentication response.\n"); |
141fa61f JD |
2561 | if (!build_auth_frame |
2562 | (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) { | |
2563 | local->authentication_state = NEED_TO_AUTH; | |
2564 | memcpy(local->auth_id, msg->mac.addr_2, | |
2565 | ADDRLEN); | |
2566 | } | |
2567 | } | |
2568 | } else { /* Infrastructure network */ | |
2569 | ||
2570 | if (local->authentication_state == AWAITING_RESPONSE) { | |
2571 | /* Verify authentication sequence #2 and success */ | |
2572 | if (msg->var[2] == 2) { | |
2573 | if ((msg->var[3] | msg->var[4]) == 0) { | |
624dd669 | 2574 | pr_debug("Authentication successful\n"); |
141fa61f JD |
2575 | local->card_status = CARD_AUTH_COMPLETE; |
2576 | associate(local); | |
2577 | local->authentication_state = | |
2578 | AUTHENTICATED; | |
2579 | } else { | |
624dd669 | 2580 | pr_debug("Authentication refused\n"); |
141fa61f JD |
2581 | local->card_status = CARD_AUTH_REFUSED; |
2582 | join_net((u_long) local); | |
2583 | local->authentication_state = | |
2584 | UNAUTHENTICATED; | |
2585 | } | |
2586 | } | |
2587 | } | |
2588 | } | |
1da177e4 LT |
2589 | |
2590 | } /* end rx_authenticate */ | |
141fa61f | 2591 | |
1da177e4 LT |
2592 | /*===========================================================================*/ |
2593 | static void associate(ray_dev_t *local) | |
2594 | { | |
141fa61f JD |
2595 | struct ccs __iomem *pccs; |
2596 | struct pcmcia_device *link = local->finder; | |
2597 | struct net_device *dev = link->priv; | |
2598 | int ccsindex; | |
2599 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 2600 | dev_dbg(&link->dev, "ray_cs associate - device not present\n"); |
141fa61f JD |
2601 | return; |
2602 | } | |
2603 | /* If no tx buffers available, return */ | |
2604 | if ((ccsindex = get_free_ccs(local)) < 0) { | |
1da177e4 | 2605 | /* TBD should never be here but... what if we are? */ |
624dd669 | 2606 | dev_dbg(&link->dev, "ray_cs associate - No free ccs\n"); |
141fa61f JD |
2607 | return; |
2608 | } | |
624dd669 | 2609 | dev_dbg(&link->dev, "ray_cs Starting association with access point\n"); |
141fa61f JD |
2610 | pccs = ccs_base(local) + ccsindex; |
2611 | /* fill in the CCS */ | |
2612 | writeb(CCS_START_ASSOCIATION, &pccs->cmd); | |
2613 | /* Interrupt the firmware to process the command */ | |
2614 | if (interrupt_ecf(local, ccsindex)) { | |
624dd669 | 2615 | dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n"); |
141fa61f JD |
2616 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); |
2617 | ||
2618 | del_timer(&local->timer); | |
2619 | local->timer.expires = jiffies + HZ * 2; | |
2620 | local->timer.data = (long)local; | |
2621 | local->timer.function = &join_net; | |
2622 | add_timer(&local->timer); | |
2623 | local->card_status = CARD_ASSOC_FAILED; | |
2624 | return; | |
2625 | } | |
2626 | if (!sniffer) | |
2627 | netif_start_queue(dev); | |
1da177e4 LT |
2628 | |
2629 | } /* end associate */ | |
141fa61f | 2630 | |
1da177e4 | 2631 | /*===========================================================================*/ |
141fa61f JD |
2632 | static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs, |
2633 | unsigned int pkt_addr, int rx_len) | |
1da177e4 LT |
2634 | { |
2635 | /* UCHAR buff[256]; | |
2636 | struct rx_msg *msg = (struct rx_msg *)buff; | |
2637 | */ | |
624dd669 | 2638 | pr_debug("Deauthentication frame received\n"); |
141fa61f JD |
2639 | local->authentication_state = UNAUTHENTICATED; |
2640 | /* Need to reauthenticate or rejoin depending on reason code */ | |
1da177e4 LT |
2641 | /* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff); |
2642 | */ | |
2643 | } | |
141fa61f | 2644 | |
1da177e4 LT |
2645 | /*===========================================================================*/ |
2646 | static void clear_interrupt(ray_dev_t *local) | |
2647 | { | |
141fa61f | 2648 | writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET); |
1da177e4 | 2649 | } |
141fa61f | 2650 | |
1da177e4 LT |
2651 | /*===========================================================================*/ |
2652 | #ifdef CONFIG_PROC_FS | |
2653 | #define MAXDATA (PAGE_SIZE - 80) | |
2654 | ||
2655 | static char *card_status[] = { | |
141fa61f JD |
2656 | "Card inserted - uninitialized", /* 0 */ |
2657 | "Card not downloaded", /* 1 */ | |
2658 | "Waiting for download parameters", /* 2 */ | |
2659 | "Card doing acquisition", /* 3 */ | |
2660 | "Acquisition complete", /* 4 */ | |
2661 | "Authentication complete", /* 5 */ | |
2662 | "Association complete", /* 6 */ | |
2663 | "???", "???", "???", "???", /* 7 8 9 10 undefined */ | |
2664 | "Card init error", /* 11 */ | |
2665 | "Download parameters error", /* 12 */ | |
2666 | "???", /* 13 */ | |
2667 | "Acquisition failed", /* 14 */ | |
2668 | "Authentication refused", /* 15 */ | |
2669 | "Association failed" /* 16 */ | |
1da177e4 LT |
2670 | }; |
2671 | ||
141fa61f JD |
2672 | static char *nettype[] = { "Adhoc", "Infra " }; |
2673 | static char *framing[] = { "Encapsulation", "Translation" } | |
2674 | ||
1da177e4 LT |
2675 | ; |
2676 | /*===========================================================================*/ | |
6b914c52 | 2677 | static int ray_cs_proc_show(struct seq_file *m, void *v) |
1da177e4 LT |
2678 | { |
2679 | /* Print current values which are not available via other means | |
141fa61f | 2680 | * eg ifconfig |
1da177e4 | 2681 | */ |
141fa61f JD |
2682 | int i; |
2683 | struct pcmcia_device *link; | |
2684 | struct net_device *dev; | |
2685 | ray_dev_t *local; | |
2686 | UCHAR *p; | |
2687 | struct freq_hop_element *pfh; | |
2688 | UCHAR c[33]; | |
2689 | ||
2690 | link = this_device; | |
2691 | if (!link) | |
2692 | return 0; | |
2693 | dev = (struct net_device *)link->priv; | |
2694 | if (!dev) | |
2695 | return 0; | |
2696 | local = netdev_priv(dev); | |
2697 | if (!local) | |
2698 | return 0; | |
2699 | ||
2700 | seq_puts(m, "Raylink Wireless LAN driver status\n"); | |
2701 | seq_printf(m, "%s\n", rcsid); | |
2702 | /* build 4 does not report version, and field is 0x55 after memtest */ | |
2703 | seq_puts(m, "Firmware version = "); | |
2704 | if (local->fw_ver == 0x55) | |
2705 | seq_puts(m, "4 - Use dump_cis for more details\n"); | |
2706 | else | |
2707 | seq_printf(m, "%2d.%02d.%02d\n", | |
2708 | local->fw_ver, local->fw_bld, local->fw_var); | |
2709 | ||
2710 | for (i = 0; i < 32; i++) | |
2711 | c[i] = local->sparm.b5.a_current_ess_id[i]; | |
2712 | c[32] = 0; | |
2713 | seq_printf(m, "%s network ESSID = \"%s\"\n", | |
2714 | nettype[local->sparm.b5.a_network_type], c); | |
2715 | ||
2716 | p = local->bss_id; | |
2717 | seq_printf(m, "BSSID = %pM\n", p); | |
2718 | ||
2719 | seq_printf(m, "Country code = %d\n", | |
2720 | local->sparm.b5.a_curr_country_code); | |
2721 | ||
2722 | i = local->card_status; | |
2723 | if (i < 0) | |
2724 | i = 10; | |
2725 | if (i > 16) | |
2726 | i = 10; | |
2727 | seq_printf(m, "Card status = %s\n", card_status[i]); | |
2728 | ||
2729 | seq_printf(m, "Framing mode = %s\n", framing[translate]); | |
2730 | ||
2731 | seq_printf(m, "Last pkt signal lvl = %d\n", local->last_rsl); | |
2732 | ||
2733 | if (local->beacon_rxed) { | |
2734 | /* Pull some fields out of last beacon received */ | |
2735 | seq_printf(m, "Beacon Interval = %d Kus\n", | |
2736 | local->last_bcn.beacon_intvl[0] | |
2737 | + 256 * local->last_bcn.beacon_intvl[1]); | |
2738 | ||
2739 | p = local->last_bcn.elements; | |
2740 | if (p[0] == C_ESSID_ELEMENT_ID) | |
2741 | p += p[1] + 2; | |
2742 | else { | |
2743 | seq_printf(m, | |
2744 | "Parse beacon failed at essid element id = %d\n", | |
2745 | p[0]); | |
2746 | return 0; | |
2747 | } | |
2748 | ||
2749 | if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) { | |
2750 | seq_puts(m, "Supported rate codes = "); | |
2751 | for (i = 2; i < p[1] + 2; i++) | |
2752 | seq_printf(m, "0x%02x ", p[i]); | |
2753 | seq_putc(m, '\n'); | |
2754 | p += p[1] + 2; | |
2755 | } else { | |
2756 | seq_puts(m, "Parse beacon failed at rates element\n"); | |
2757 | return 0; | |
2758 | } | |
2759 | ||
2760 | if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) { | |
2761 | pfh = (struct freq_hop_element *)p; | |
2762 | seq_printf(m, "Hop dwell = %d Kus\n", | |
2763 | pfh->dwell_time[0] + | |
2764 | 256 * pfh->dwell_time[1]); | |
2765 | seq_printf(m, "Hop set = %d \n", | |
2766 | pfh->hop_set); | |
2767 | seq_printf(m, "Hop pattern = %d \n", | |
2768 | pfh->hop_pattern); | |
2769 | seq_printf(m, "Hop index = %d \n", | |
2770 | pfh->hop_index); | |
2771 | p += p[1] + 2; | |
2772 | } else { | |
2773 | seq_puts(m, | |
2774 | "Parse beacon failed at FH param element\n"); | |
2775 | return 0; | |
2776 | } | |
2777 | } else { | |
2778 | seq_puts(m, "No beacons received\n"); | |
1da177e4 | 2779 | } |
141fa61f | 2780 | return 0; |
1da177e4 LT |
2781 | } |
2782 | ||
6b914c52 AD |
2783 | static int ray_cs_proc_open(struct inode *inode, struct file *file) |
2784 | { | |
2785 | return single_open(file, ray_cs_proc_show, NULL); | |
2786 | } | |
2787 | ||
2788 | static const struct file_operations ray_cs_proc_fops = { | |
141fa61f JD |
2789 | .owner = THIS_MODULE, |
2790 | .open = ray_cs_proc_open, | |
2791 | .read = seq_read, | |
2792 | .llseek = seq_lseek, | |
2793 | .release = single_release, | |
6b914c52 | 2794 | }; |
1da177e4 LT |
2795 | #endif |
2796 | /*===========================================================================*/ | |
2797 | static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type) | |
2798 | { | |
141fa61f JD |
2799 | int addr; |
2800 | struct ccs __iomem *pccs; | |
2801 | struct tx_msg __iomem *ptx; | |
2802 | int ccsindex; | |
2803 | ||
2804 | /* If no tx buffers available, return */ | |
2805 | if ((ccsindex = get_free_tx_ccs(local)) < 0) { | |
624dd669 | 2806 | pr_debug("ray_cs send authenticate - No free tx ccs\n"); |
141fa61f JD |
2807 | return -1; |
2808 | } | |
2809 | ||
2810 | pccs = ccs_base(local) + ccsindex; | |
2811 | ||
2812 | /* Address in card space */ | |
2813 | addr = TX_BUF_BASE + (ccsindex << 11); | |
2814 | /* fill in the CCS */ | |
2815 | writeb(CCS_TX_REQUEST, &pccs->cmd); | |
2816 | writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr); | |
2817 | writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1); | |
2818 | writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length); | |
2819 | writeb(TX_AUTHENTICATE_LENGTH_LSB, | |
2820 | pccs->var.tx_request.tx_data_length + 1); | |
2821 | writeb(0, &pccs->var.tx_request.pow_sav_mode); | |
2822 | ||
2823 | ptx = local->sram + addr; | |
2824 | /* fill in the mac header */ | |
2825 | writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1); | |
2826 | writeb(0, &ptx->mac.frame_ctl_2); | |
2827 | ||
2828 | memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN); | |
2829 | memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN); | |
2830 | memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN); | |
2831 | ||
2832 | /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */ | |
2833 | memset_io(ptx->var, 0, 6); | |
2834 | writeb(auth_type & 0xff, ptx->var + 2); | |
2835 | ||
2836 | /* Interrupt the firmware to process the command */ | |
2837 | if (interrupt_ecf(local, ccsindex)) { | |
624dd669 | 2838 | pr_debug( |
141fa61f JD |
2839 | "ray_cs send authentication request failed - ECF not ready for intr\n"); |
2840 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); | |
2841 | return -1; | |
2842 | } | |
2843 | return 0; | |
1da177e4 LT |
2844 | } /* End build_auth_frame */ |
2845 | ||
2846 | /*===========================================================================*/ | |
2847 | #ifdef CONFIG_PROC_FS | |
83daee06 AD |
2848 | static ssize_t ray_cs_essid_proc_write(struct file *file, |
2849 | const char __user *buffer, size_t count, loff_t *pos) | |
1da177e4 LT |
2850 | { |
2851 | static char proc_essid[33]; | |
575c9ed7 | 2852 | unsigned int len = count; |
1da177e4 LT |
2853 | |
2854 | if (len > 32) | |
2855 | len = 32; | |
2856 | memset(proc_essid, 0, 33); | |
2857 | if (copy_from_user(proc_essid, buffer, len)) | |
2858 | return -EFAULT; | |
2859 | essid = proc_essid; | |
2860 | return count; | |
2861 | } | |
2862 | ||
83daee06 AD |
2863 | static const struct file_operations ray_cs_essid_proc_fops = { |
2864 | .owner = THIS_MODULE, | |
2865 | .write = ray_cs_essid_proc_write, | |
2866 | }; | |
2867 | ||
2868 | static ssize_t int_proc_write(struct file *file, const char __user *buffer, | |
2869 | size_t count, loff_t *pos) | |
1da177e4 LT |
2870 | { |
2871 | static char proc_number[10]; | |
2872 | char *p; | |
2873 | int nr, len; | |
2874 | ||
2875 | if (!count) | |
2876 | return 0; | |
2877 | ||
2878 | if (count > 9) | |
2879 | return -EINVAL; | |
2880 | if (copy_from_user(proc_number, buffer, count)) | |
2881 | return -EFAULT; | |
2882 | p = proc_number; | |
2883 | nr = 0; | |
2884 | len = count; | |
2885 | do { | |
2886 | unsigned int c = *p - '0'; | |
2887 | if (c > 9) | |
2888 | return -EINVAL; | |
141fa61f | 2889 | nr = nr * 10 + c; |
1da177e4 LT |
2890 | p++; |
2891 | } while (--len); | |
83daee06 | 2892 | *(int *)PDE(file->f_path.dentry->d_inode)->data = nr; |
1da177e4 LT |
2893 | return count; |
2894 | } | |
83daee06 AD |
2895 | |
2896 | static const struct file_operations int_proc_fops = { | |
2897 | .owner = THIS_MODULE, | |
2898 | .write = int_proc_write, | |
2899 | }; | |
1da177e4 LT |
2900 | #endif |
2901 | ||
f57ea2a2 DB |
2902 | static struct pcmcia_device_id ray_ids[] = { |
2903 | PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000), | |
2904 | PCMCIA_DEVICE_NULL, | |
2905 | }; | |
141fa61f | 2906 | |
f57ea2a2 DB |
2907 | MODULE_DEVICE_TABLE(pcmcia, ray_ids); |
2908 | ||
1da177e4 | 2909 | static struct pcmcia_driver ray_driver = { |
141fa61f JD |
2910 | .owner = THIS_MODULE, |
2911 | .drv = { | |
2912 | .name = "ray_cs", | |
2913 | }, | |
2914 | .probe = ray_probe, | |
2915 | .remove = ray_detach, | |
2916 | .id_table = ray_ids, | |
2917 | .suspend = ray_suspend, | |
2918 | .resume = ray_resume, | |
1da177e4 LT |
2919 | }; |
2920 | ||
2921 | static int __init init_ray_cs(void) | |
2922 | { | |
141fa61f JD |
2923 | int rc; |
2924 | ||
624dd669 | 2925 | pr_debug("%s\n", rcsid); |
141fa61f | 2926 | rc = pcmcia_register_driver(&ray_driver); |
624dd669 | 2927 | pr_debug("raylink init_module register_pcmcia_driver returns 0x%x\n", |
141fa61f | 2928 | rc); |
1da177e4 LT |
2929 | |
2930 | #ifdef CONFIG_PROC_FS | |
141fa61f | 2931 | proc_mkdir("driver/ray_cs", NULL); |
1da177e4 | 2932 | |
141fa61f | 2933 | proc_create("driver/ray_cs/ray_cs", 0, NULL, &ray_cs_proc_fops); |
83daee06 AD |
2934 | proc_create("driver/ray_cs/essid", S_IWUSR, NULL, &ray_cs_essid_proc_fops); |
2935 | proc_create_data("driver/ray_cs/net_type", S_IWUSR, NULL, &int_proc_fops, &net_type); | |
2936 | proc_create_data("driver/ray_cs/translate", S_IWUSR, NULL, &int_proc_fops, &translate); | |
1da177e4 | 2937 | #endif |
141fa61f JD |
2938 | if (translate != 0) |
2939 | translate = 1; | |
2940 | return 0; | |
1da177e4 LT |
2941 | } /* init_ray_cs */ |
2942 | ||
2943 | /*===========================================================================*/ | |
2944 | ||
2945 | static void __exit exit_ray_cs(void) | |
2946 | { | |
624dd669 | 2947 | pr_debug("ray_cs: cleanup_module\n"); |
1da177e4 LT |
2948 | |
2949 | #ifdef CONFIG_PROC_FS | |
141fa61f JD |
2950 | remove_proc_entry("driver/ray_cs/ray_cs", NULL); |
2951 | remove_proc_entry("driver/ray_cs/essid", NULL); | |
2952 | remove_proc_entry("driver/ray_cs/net_type", NULL); | |
2953 | remove_proc_entry("driver/ray_cs/translate", NULL); | |
2954 | remove_proc_entry("driver/ray_cs", NULL); | |
1da177e4 LT |
2955 | #endif |
2956 | ||
141fa61f | 2957 | pcmcia_unregister_driver(&ray_driver); |
1da177e4 LT |
2958 | } /* exit_ray_cs */ |
2959 | ||
2960 | module_init(init_ray_cs); | |
2961 | module_exit(exit_ray_cs); | |
2962 | ||
2963 | /*===========================================================================*/ |