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Commit | Line | Data |
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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 | |
36769159 | 20 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
1da177e4 LT |
21 | * |
22 | * Changes: | |
23 | * Arnaldo Carvalho de Melo <acme@conectiva.com.br> - 08/08/2000 | |
24 | * - reorganize kmallocs in ray_attach, checking all for failure | |
25 | * and releasing the previous allocations if one fails | |
26 | * | |
27 | * Daniele Bellucci <bellucda@tiscali.it> - 07/10/2003 | |
28 | * - Audit copy_to_user in ioctl(SIOCGIWESSID) | |
141fa61f | 29 | * |
1da177e4 LT |
30 | =============================================================================*/ |
31 | ||
1da177e4 LT |
32 | #include <linux/module.h> |
33 | #include <linux/kernel.h> | |
34 | #include <linux/proc_fs.h> | |
35 | #include <linux/ptrace.h> | |
6b914c52 | 36 | #include <linux/seq_file.h> |
1da177e4 LT |
37 | #include <linux/string.h> |
38 | #include <linux/timer.h> | |
39 | #include <linux/init.h> | |
40 | #include <linux/netdevice.h> | |
41 | #include <linux/etherdevice.h> | |
42 | #include <linux/if_arp.h> | |
43 | #include <linux/ioport.h> | |
44 | #include <linux/skbuff.h> | |
7698d697 | 45 | #include <linux/ieee80211.h> |
1da177e4 | 46 | |
1da177e4 LT |
47 | #include <pcmcia/cistpl.h> |
48 | #include <pcmcia/cisreg.h> | |
49 | #include <pcmcia/ds.h> | |
1da177e4 LT |
50 | |
51 | #include <linux/wireless.h> | |
113b898e | 52 | #include <net/iw_handler.h> |
1da177e4 LT |
53 | |
54 | #include <asm/io.h> | |
1da177e4 | 55 | #include <asm/byteorder.h> |
7c0f6ba6 | 56 | #include <linux/uaccess.h> |
1da177e4 LT |
57 | |
58 | /* Warning : these stuff will slow down the driver... */ | |
59 | #define WIRELESS_SPY /* Enable spying addresses */ | |
60 | /* Definitions we need for spy */ | |
141fa61f JD |
61 | typedef struct iw_statistics iw_stats; |
62 | typedef u_char mac_addr[ETH_ALEN]; /* Hardware address */ | |
1da177e4 LT |
63 | |
64 | #include "rayctl.h" | |
65 | #include "ray_cs.h" | |
66 | ||
1da177e4 | 67 | |
1da177e4 | 68 | /** Prototypes based on PCMCIA skeleton driver *******************************/ |
15b99ac1 | 69 | static int ray_config(struct pcmcia_device *link); |
fba395ee | 70 | static void ray_release(struct pcmcia_device *link); |
cc3b4866 | 71 | static void ray_detach(struct pcmcia_device *p_dev); |
1da177e4 LT |
72 | |
73 | /***** Prototypes indicated by device structure ******************************/ | |
74 | static int ray_dev_close(struct net_device *dev); | |
75 | static int ray_dev_config(struct net_device *dev, struct ifmap *map); | |
76 | static struct net_device_stats *ray_get_stats(struct net_device *dev); | |
77 | static int ray_dev_init(struct net_device *dev); | |
1da177e4 | 78 | |
1da177e4 | 79 | static int ray_open(struct net_device *dev); |
d0cf9c0d SH |
80 | static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb, |
81 | struct net_device *dev); | |
1da177e4 LT |
82 | static void set_multicast_list(struct net_device *dev); |
83 | static void ray_update_multi_list(struct net_device *dev, int all); | |
84 | static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx, | |
141fa61f JD |
85 | unsigned char *data, int len); |
86 | static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx, | |
87 | UCHAR msg_type, unsigned char *data); | |
1da177e4 | 88 | static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len); |
141fa61f JD |
89 | static iw_stats *ray_get_wireless_stats(struct net_device *dev); |
90 | static const struct iw_handler_def ray_handler_def; | |
1da177e4 LT |
91 | |
92 | /***** Prototypes for raylink functions **************************************/ | |
1da177e4 LT |
93 | static void authenticate(ray_dev_t *local); |
94 | static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type); | |
95 | static void authenticate_timeout(u_long); | |
96 | static int get_free_ccs(ray_dev_t *local); | |
97 | static int get_free_tx_ccs(ray_dev_t *local); | |
98 | static void init_startup_params(ray_dev_t *local); | |
99 | static int parse_addr(char *in_str, UCHAR *out); | |
141fa61f | 100 | static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev, UCHAR type); |
1da177e4 LT |
101 | static int ray_init(struct net_device *dev); |
102 | static int interrupt_ecf(ray_dev_t *local, int ccs); | |
103 | static void ray_reset(struct net_device *dev); | |
104 | static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len); | |
105 | static void verify_dl_startup(u_long); | |
106 | ||
107 | /* Prototypes for interrpt time functions **********************************/ | |
141fa61f | 108 | static irqreturn_t ray_interrupt(int reg, void *dev_id); |
1da177e4 | 109 | static void clear_interrupt(ray_dev_t *local); |
141fa61f JD |
110 | static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs, |
111 | unsigned int pkt_addr, int rx_len); | |
1da177e4 LT |
112 | static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int len); |
113 | static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs); | |
114 | static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs); | |
115 | static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs, | |
141fa61f JD |
116 | unsigned int pkt_addr, int rx_len); |
117 | static void rx_data(struct net_device *dev, struct rcs __iomem *prcs, | |
118 | unsigned int pkt_addr, int rx_len); | |
1da177e4 LT |
119 | static void associate(ray_dev_t *local); |
120 | ||
121 | /* Card command functions */ | |
122 | static int dl_startup_params(struct net_device *dev); | |
123 | static void join_net(u_long local); | |
124 | static void start_net(u_long local); | |
125 | /* void start_net(ray_dev_t *local); */ | |
126 | ||
127 | /*===========================================================================*/ | |
128 | /* Parameters that can be set with 'insmod' */ | |
129 | ||
130 | /* ADHOC=0, Infrastructure=1 */ | |
131 | static int net_type = ADHOC; | |
132 | ||
133 | /* Hop dwell time in Kus (1024 us units defined by 802.11) */ | |
134 | static int hop_dwell = 128; | |
135 | ||
136 | /* Beacon period in Kus */ | |
137 | static int beacon_period = 256; | |
138 | ||
139 | /* power save mode (0 = off, 1 = save power) */ | |
140 | static int psm; | |
141 | ||
142 | /* String for network's Extended Service Set ID. 32 Characters max */ | |
143 | static char *essid; | |
144 | ||
145 | /* Default to encapsulation unless translation requested */ | |
fa2ab697 | 146 | static bool translate = true; |
1da177e4 LT |
147 | |
148 | static int country = USA; | |
149 | ||
150 | static int sniffer; | |
151 | ||
152 | static int bc; | |
153 | ||
154 | /* 48 bit physical card address if overriding card's real physical | |
155 | * address is required. Since IEEE 802.11 addresses are 48 bits | |
156 | * like ethernet, an int can't be used, so a string is used. To | |
157 | * allow use of addresses starting with a decimal digit, the first | |
158 | * character must be a letter and will be ignored. This letter is | |
159 | * followed by up to 12 hex digits which are the address. If less | |
160 | * than 12 digits are used, the address will be left filled with 0's. | |
161 | * Note that bit 0 of the first byte is the broadcast bit, and evil | |
162 | * things will happen if it is not 0 in a card address. | |
163 | */ | |
164 | static char *phy_addr = NULL; | |
165 | ||
1da177e4 LT |
166 | static unsigned int ray_mem_speed = 500; |
167 | ||
fd238232 DB |
168 | /* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */ |
169 | static struct pcmcia_device *this_device = NULL; | |
170 | ||
1da177e4 LT |
171 | MODULE_AUTHOR("Corey Thomas <corey@world.std.com>"); |
172 | MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver"); | |
173 | MODULE_LICENSE("GPL"); | |
174 | ||
175 | module_param(net_type, int, 0); | |
176 | module_param(hop_dwell, int, 0); | |
177 | module_param(beacon_period, int, 0); | |
178 | module_param(psm, int, 0); | |
179 | module_param(essid, charp, 0); | |
2dcc26e3 | 180 | module_param(translate, bool, 0); |
1da177e4 LT |
181 | module_param(country, int, 0); |
182 | module_param(sniffer, int, 0); | |
183 | module_param(bc, int, 0); | |
184 | module_param(phy_addr, charp, 0); | |
185 | module_param(ray_mem_speed, int, 0); | |
186 | ||
b6f45c2c | 187 | static const UCHAR b5_default_startup_parms[] = { |
141fa61f JD |
188 | 0, 0, /* Adhoc station */ |
189 | 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */ | |
190 | 0, 0, 0, 0, 0, 0, 0, 0, | |
191 | 0, 0, 0, 0, 0, 0, 0, 0, | |
192 | 0, 0, 0, 0, 0, 0, 0, 0, | |
193 | 1, 0, /* Active scan, CA Mode */ | |
194 | 0, 0, 0, 0, 0, 0, /* No default MAC addr */ | |
195 | 0x7f, 0xff, /* Frag threshold */ | |
196 | 0x00, 0x80, /* Hop time 128 Kus */ | |
197 | 0x01, 0x00, /* Beacon period 256 Kus */ | |
198 | 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */ | |
199 | 0x1d, 0x82, 0x4e, /* SIFS, DIFS, PIFS */ | |
200 | 0x7f, 0xff, /* RTS threshold */ | |
201 | 0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */ | |
202 | 0x05, /* assoc resp timeout thresh */ | |
203 | 0x08, 0x02, 0x08, /* adhoc, infra, super cycle max */ | |
204 | 0, /* Promiscuous mode */ | |
205 | 0x0c, 0x0bd, /* Unique word */ | |
206 | 0x32, /* Slot time */ | |
207 | 0xff, 0xff, /* roam-low snr, low snr count */ | |
208 | 0x05, 0xff, /* Infra, adhoc missed bcn thresh */ | |
209 | 0x01, 0x0b, 0x4f, /* USA, hop pattern, hop pat length */ | |
1da177e4 | 210 | /* b4 - b5 differences start here */ |
141fa61f JD |
211 | 0x00, 0x3f, /* CW max */ |
212 | 0x00, 0x0f, /* CW min */ | |
213 | 0x04, 0x08, /* Noise gain, limit offset */ | |
214 | 0x28, 0x28, /* det rssi, med busy offsets */ | |
215 | 7, /* det sync thresh */ | |
216 | 0, 2, 2, /* test mode, min, max */ | |
217 | 0, /* allow broadcast SSID probe resp */ | |
218 | 0, 0, /* privacy must start, can join */ | |
219 | 2, 0, 0, 0, 0, 0, 0, 0 /* basic rate set */ | |
1da177e4 LT |
220 | }; |
221 | ||
b6f45c2c | 222 | static const UCHAR b4_default_startup_parms[] = { |
141fa61f JD |
223 | 0, 0, /* Adhoc station */ |
224 | 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */ | |
225 | 0, 0, 0, 0, 0, 0, 0, 0, | |
226 | 0, 0, 0, 0, 0, 0, 0, 0, | |
227 | 0, 0, 0, 0, 0, 0, 0, 0, | |
228 | 1, 0, /* Active scan, CA Mode */ | |
229 | 0, 0, 0, 0, 0, 0, /* No default MAC addr */ | |
230 | 0x7f, 0xff, /* Frag threshold */ | |
231 | 0x02, 0x00, /* Hop time */ | |
232 | 0x00, 0x01, /* Beacon period */ | |
233 | 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */ | |
234 | 0x1d, 0x82, 0xce, /* SIFS, DIFS, PIFS */ | |
235 | 0x7f, 0xff, /* RTS threshold */ | |
236 | 0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */ | |
237 | 0x05, /* assoc resp timeout thresh */ | |
238 | 0x04, 0x02, 0x4, /* adhoc, infra, super cycle max */ | |
239 | 0, /* Promiscuous mode */ | |
240 | 0x0c, 0x0bd, /* Unique word */ | |
241 | 0x4e, /* Slot time (TBD seems wrong) */ | |
242 | 0xff, 0xff, /* roam-low snr, low snr count */ | |
243 | 0x05, 0xff, /* Infra, adhoc missed bcn thresh */ | |
244 | 0x01, 0x0b, 0x4e, /* USA, hop pattern, hop pat length */ | |
1da177e4 | 245 | /* b4 - b5 differences start here */ |
141fa61f JD |
246 | 0x3f, 0x0f, /* CW max, min */ |
247 | 0x04, 0x08, /* Noise gain, limit offset */ | |
248 | 0x28, 0x28, /* det rssi, med busy offsets */ | |
249 | 7, /* det sync thresh */ | |
250 | 0, 2, 2 /* test mode, min, max */ | |
1da177e4 | 251 | }; |
141fa61f | 252 | |
1da177e4 | 253 | /*===========================================================================*/ |
b6f45c2c | 254 | static const u8 eth2_llc[] = { 0xaa, 0xaa, 3, 0, 0, 0 }; |
1da177e4 | 255 | |
b6f45c2c | 256 | static const char hop_pattern_length[] = { 1, |
141fa61f JD |
257 | USA_HOP_MOD, EUROPE_HOP_MOD, |
258 | JAPAN_HOP_MOD, KOREA_HOP_MOD, | |
259 | SPAIN_HOP_MOD, FRANCE_HOP_MOD, | |
260 | ISRAEL_HOP_MOD, AUSTRALIA_HOP_MOD, | |
261 | JAPAN_TEST_HOP_MOD | |
1da177e4 LT |
262 | }; |
263 | ||
b6f45c2c | 264 | static const char rcsid[] = |
141fa61f | 265 | "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>"; |
1da177e4 | 266 | |
32f5a330 SH |
267 | static const struct net_device_ops ray_netdev_ops = { |
268 | .ndo_init = ray_dev_init, | |
269 | .ndo_open = ray_open, | |
270 | .ndo_stop = ray_dev_close, | |
271 | .ndo_start_xmit = ray_dev_start_xmit, | |
272 | .ndo_set_config = ray_dev_config, | |
273 | .ndo_get_stats = ray_get_stats, | |
afc4b13d | 274 | .ndo_set_rx_mode = set_multicast_list, |
32f5a330 SH |
275 | .ndo_set_mac_address = eth_mac_addr, |
276 | .ndo_validate_addr = eth_validate_addr, | |
277 | }; | |
278 | ||
15b99ac1 | 279 | static int ray_probe(struct pcmcia_device *p_dev) |
1da177e4 | 280 | { |
141fa61f JD |
281 | ray_dev_t *local; |
282 | struct net_device *dev; | |
283 | ||
624dd669 | 284 | dev_dbg(&p_dev->dev, "ray_attach()\n"); |
141fa61f JD |
285 | |
286 | /* Allocate space for private device-specific data */ | |
287 | dev = alloc_etherdev(sizeof(ray_dev_t)); | |
288 | if (!dev) | |
289 | goto fail_alloc_dev; | |
290 | ||
291 | local = netdev_priv(dev); | |
292 | local->finder = p_dev; | |
293 | ||
294 | /* The io structure describes IO port mapping. None used here */ | |
90abdc3b DB |
295 | p_dev->resource[0]->end = 0; |
296 | p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8; | |
141fa61f | 297 | |
141fa61f | 298 | /* General socket configuration */ |
1ac71e5a | 299 | p_dev->config_flags |= CONF_ENABLE_IRQ; |
7feabb64 | 300 | p_dev->config_index = 1; |
141fa61f JD |
301 | |
302 | p_dev->priv = dev; | |
141fa61f JD |
303 | |
304 | local->finder = p_dev; | |
305 | local->card_status = CARD_INSERTED; | |
306 | local->authentication_state = UNAUTHENTICATED; | |
307 | local->num_multi = 0; | |
624dd669 | 308 | dev_dbg(&p_dev->dev, "ray_attach p_dev = %p, dev = %p, local = %p, intr = %p\n", |
141fa61f JD |
309 | p_dev, dev, local, &ray_interrupt); |
310 | ||
311 | /* Raylink entries in the device structure */ | |
32f5a330 | 312 | dev->netdev_ops = &ray_netdev_ops; |
141fa61f | 313 | dev->wireless_handlers = &ray_handler_def; |
3d5d5ac0 | 314 | #ifdef WIRELESS_SPY |
141fa61f JD |
315 | local->wireless_data.spy_data = &local->spy_data; |
316 | dev->wireless_data = &local->wireless_data; | |
317 | #endif /* WIRELESS_SPY */ | |
1da177e4 | 318 | |
1da177e4 | 319 | |
624dd669 | 320 | dev_dbg(&p_dev->dev, "ray_cs ray_attach calling ether_setup.)\n"); |
141fa61f | 321 | netif_stop_queue(dev); |
1da177e4 | 322 | |
141fa61f | 323 | init_timer(&local->timer); |
1da177e4 | 324 | |
141fa61f JD |
325 | this_device = p_dev; |
326 | return ray_config(p_dev); | |
1da177e4 LT |
327 | |
328 | fail_alloc_dev: | |
141fa61f | 329 | return -ENOMEM; |
1da177e4 | 330 | } /* ray_attach */ |
141fa61f | 331 | |
fba395ee | 332 | static void ray_detach(struct pcmcia_device *link) |
1da177e4 | 333 | { |
141fa61f JD |
334 | struct net_device *dev; |
335 | ray_dev_t *local; | |
1da177e4 | 336 | |
624dd669 | 337 | dev_dbg(&link->dev, "ray_detach\n"); |
1da177e4 | 338 | |
141fa61f JD |
339 | this_device = NULL; |
340 | dev = link->priv; | |
cc3b4866 | 341 | |
141fa61f | 342 | ray_release(link); |
cc3b4866 | 343 | |
141fa61f | 344 | local = netdev_priv(dev); |
360298c1 | 345 | del_timer_sync(&local->timer); |
1da177e4 | 346 | |
141fa61f | 347 | if (link->priv) { |
c7c2fa07 | 348 | unregister_netdev(dev); |
141fa61f JD |
349 | free_netdev(dev); |
350 | } | |
624dd669 | 351 | dev_dbg(&link->dev, "ray_cs ray_detach ending\n"); |
1da177e4 | 352 | } /* ray_detach */ |
141fa61f | 353 | |
1da177e4 | 354 | #define MAX_TUPLE_SIZE 128 |
15b99ac1 | 355 | static int ray_config(struct pcmcia_device *link) |
1da177e4 | 356 | { |
624dd669 | 357 | int ret = 0; |
141fa61f | 358 | int i; |
141fa61f JD |
359 | struct net_device *dev = (struct net_device *)link->priv; |
360 | ray_dev_t *local = netdev_priv(dev); | |
361 | ||
624dd669 | 362 | dev_dbg(&link->dev, "ray_config\n"); |
141fa61f JD |
363 | |
364 | /* Determine card type and firmware version */ | |
365 | printk(KERN_INFO "ray_cs Detected: %s%s%s%s\n", | |
366 | link->prod_id[0] ? link->prod_id[0] : " ", | |
367 | link->prod_id[1] ? link->prod_id[1] : " ", | |
368 | link->prod_id[2] ? link->prod_id[2] : " ", | |
369 | link->prod_id[3] ? link->prod_id[3] : " "); | |
370 | ||
371 | /* Now allocate an interrupt line. Note that this does not | |
372 | actually assign a handler to the interrupt. | |
373 | */ | |
eb14120f | 374 | ret = pcmcia_request_irq(link, ray_interrupt); |
624dd669 DB |
375 | if (ret) |
376 | goto failed; | |
eb14120f | 377 | dev->irq = link->irq; |
141fa61f | 378 | |
1ac71e5a | 379 | ret = pcmcia_enable_device(link); |
624dd669 DB |
380 | if (ret) |
381 | goto failed; | |
1da177e4 LT |
382 | |
383 | /*** Set up 32k window for shared memory (transmit and control) ************/ | |
cdb13808 DB |
384 | link->resource[2]->flags |= WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT; |
385 | link->resource[2]->start = 0; | |
386 | link->resource[2]->end = 0x8000; | |
387 | ret = pcmcia_request_window(link, link->resource[2], ray_mem_speed); | |
624dd669 DB |
388 | if (ret) |
389 | goto failed; | |
cdb13808 | 390 | ret = pcmcia_map_mem_page(link, link->resource[2], 0); |
624dd669 DB |
391 | if (ret) |
392 | goto failed; | |
cdb13808 DB |
393 | local->sram = ioremap(link->resource[2]->start, |
394 | resource_size(link->resource[2])); | |
1da177e4 LT |
395 | |
396 | /*** Set up 16k window for shared memory (receive buffer) ***************/ | |
cdb13808 | 397 | link->resource[3]->flags |= |
141fa61f | 398 | WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT; |
cdb13808 DB |
399 | link->resource[3]->start = 0; |
400 | link->resource[3]->end = 0x4000; | |
401 | ret = pcmcia_request_window(link, link->resource[3], ray_mem_speed); | |
624dd669 DB |
402 | if (ret) |
403 | goto failed; | |
cdb13808 | 404 | ret = pcmcia_map_mem_page(link, link->resource[3], 0x8000); |
624dd669 DB |
405 | if (ret) |
406 | goto failed; | |
cdb13808 DB |
407 | local->rmem = ioremap(link->resource[3]->start, |
408 | resource_size(link->resource[3])); | |
1da177e4 LT |
409 | |
410 | /*** Set up window for attribute memory ***********************************/ | |
cdb13808 | 411 | link->resource[4]->flags |= |
141fa61f | 412 | WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT; |
cdb13808 DB |
413 | link->resource[4]->start = 0; |
414 | link->resource[4]->end = 0x1000; | |
415 | ret = pcmcia_request_window(link, link->resource[4], ray_mem_speed); | |
624dd669 DB |
416 | if (ret) |
417 | goto failed; | |
cdb13808 | 418 | ret = pcmcia_map_mem_page(link, link->resource[4], 0); |
624dd669 DB |
419 | if (ret) |
420 | goto failed; | |
cdb13808 DB |
421 | local->amem = ioremap(link->resource[4]->start, |
422 | resource_size(link->resource[4])); | |
141fa61f | 423 | |
624dd669 DB |
424 | dev_dbg(&link->dev, "ray_config sram=%p\n", local->sram); |
425 | dev_dbg(&link->dev, "ray_config rmem=%p\n", local->rmem); | |
426 | dev_dbg(&link->dev, "ray_config amem=%p\n", local->amem); | |
141fa61f JD |
427 | if (ray_init(dev) < 0) { |
428 | ray_release(link); | |
429 | return -ENODEV; | |
430 | } | |
431 | ||
dd2e5a15 | 432 | SET_NETDEV_DEV(dev, &link->dev); |
141fa61f JD |
433 | i = register_netdev(dev); |
434 | if (i != 0) { | |
435 | printk("ray_config register_netdev() failed\n"); | |
436 | ray_release(link); | |
437 | return i; | |
438 | } | |
439 | ||
141fa61f JD |
440 | printk(KERN_INFO "%s: RayLink, irq %d, hw_addr %pM\n", |
441 | dev->name, dev->irq, dev->dev_addr); | |
442 | ||
443 | return 0; | |
1da177e4 | 444 | |
624dd669 | 445 | failed: |
141fa61f JD |
446 | ray_release(link); |
447 | return -ENODEV; | |
1da177e4 LT |
448 | } /* ray_config */ |
449 | ||
450 | static inline struct ccs __iomem *ccs_base(ray_dev_t *dev) | |
451 | { | |
452 | return dev->sram + CCS_BASE; | |
453 | } | |
454 | ||
455 | static inline struct rcs __iomem *rcs_base(ray_dev_t *dev) | |
456 | { | |
457 | /* | |
458 | * This looks nonsensical, since there is a separate | |
459 | * RCS_BASE. But the difference between a "struct rcs" | |
460 | * and a "struct ccs" ends up being in the _index_ off | |
461 | * the base, so the base pointer is the same for both | |
462 | * ccs/rcs. | |
463 | */ | |
464 | return dev->sram + CCS_BASE; | |
465 | } | |
466 | ||
467 | /*===========================================================================*/ | |
468 | static int ray_init(struct net_device *dev) | |
469 | { | |
141fa61f JD |
470 | int i; |
471 | UCHAR *p; | |
472 | struct ccs __iomem *pccs; | |
473 | ray_dev_t *local = netdev_priv(dev); | |
474 | struct pcmcia_device *link = local->finder; | |
624dd669 | 475 | dev_dbg(&link->dev, "ray_init(0x%p)\n", dev); |
141fa61f | 476 | if (!(pcmcia_dev_present(link))) { |
624dd669 | 477 | dev_dbg(&link->dev, "ray_init - device not present\n"); |
141fa61f JD |
478 | return -1; |
479 | } | |
480 | ||
481 | local->net_type = net_type; | |
482 | local->sta_type = TYPE_STA; | |
483 | ||
484 | /* Copy the startup results to local memory */ | |
485 | memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE, | |
486 | sizeof(struct startup_res_6)); | |
487 | ||
488 | /* Check Power up test status and get mac address from card */ | |
489 | if (local->startup_res.startup_word != 0x80) { | |
490 | printk(KERN_INFO "ray_init ERROR card status = %2x\n", | |
491 | local->startup_res.startup_word); | |
492 | local->card_status = CARD_INIT_ERROR; | |
493 | return -1; | |
494 | } | |
495 | ||
496 | local->fw_ver = local->startup_res.firmware_version[0]; | |
497 | local->fw_bld = local->startup_res.firmware_version[1]; | |
498 | local->fw_var = local->startup_res.firmware_version[2]; | |
cb01b09c | 499 | dev_dbg(&link->dev, "ray_init firmware version %d.%d\n", local->fw_ver, |
141fa61f JD |
500 | local->fw_bld); |
501 | ||
502 | local->tib_length = 0x20; | |
503 | if ((local->fw_ver == 5) && (local->fw_bld >= 30)) | |
504 | local->tib_length = local->startup_res.tib_length; | |
624dd669 | 505 | dev_dbg(&link->dev, "ray_init tib_length = 0x%02x\n", local->tib_length); |
141fa61f JD |
506 | /* Initialize CCS's to buffer free state */ |
507 | pccs = ccs_base(local); | |
508 | for (i = 0; i < NUMBER_OF_CCS; i++) { | |
509 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); | |
510 | } | |
511 | init_startup_params(local); | |
512 | ||
513 | /* copy mac address to startup parameters */ | |
514 | if (parse_addr(phy_addr, local->sparm.b4.a_mac_addr)) { | |
515 | p = local->sparm.b4.a_mac_addr; | |
516 | } else { | |
517 | memcpy(&local->sparm.b4.a_mac_addr, | |
518 | &local->startup_res.station_addr, ADDRLEN); | |
519 | p = local->sparm.b4.a_mac_addr; | |
520 | } | |
521 | ||
522 | clear_interrupt(local); /* Clear any interrupt from the card */ | |
523 | local->card_status = CARD_AWAITING_PARAM; | |
624dd669 | 524 | dev_dbg(&link->dev, "ray_init ending\n"); |
141fa61f | 525 | return 0; |
1da177e4 | 526 | } /* ray_init */ |
141fa61f | 527 | |
1da177e4 LT |
528 | /*===========================================================================*/ |
529 | /* Download startup parameters to the card and command it to read them */ | |
530 | static int dl_startup_params(struct net_device *dev) | |
531 | { | |
141fa61f JD |
532 | int ccsindex; |
533 | ray_dev_t *local = netdev_priv(dev); | |
534 | struct ccs __iomem *pccs; | |
535 | struct pcmcia_device *link = local->finder; | |
536 | ||
624dd669 | 537 | dev_dbg(&link->dev, "dl_startup_params entered\n"); |
141fa61f | 538 | if (!(pcmcia_dev_present(link))) { |
624dd669 | 539 | dev_dbg(&link->dev, "ray_cs dl_startup_params - device not present\n"); |
141fa61f JD |
540 | return -1; |
541 | } | |
542 | ||
543 | /* Copy parameters to host to ECF area */ | |
544 | if (local->fw_ver == 0x55) | |
545 | memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4, | |
546 | sizeof(struct b4_startup_params)); | |
547 | else | |
548 | memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5, | |
549 | sizeof(struct b5_startup_params)); | |
550 | ||
551 | /* Fill in the CCS fields for the ECF */ | |
552 | if ((ccsindex = get_free_ccs(local)) < 0) | |
553 | return -1; | |
554 | local->dl_param_ccs = ccsindex; | |
555 | pccs = ccs_base(local) + ccsindex; | |
556 | writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd); | |
624dd669 | 557 | dev_dbg(&link->dev, "dl_startup_params start ccsindex = %d\n", |
141fa61f JD |
558 | local->dl_param_ccs); |
559 | /* Interrupt the firmware to process the command */ | |
560 | if (interrupt_ecf(local, ccsindex)) { | |
561 | printk(KERN_INFO "ray dl_startup_params failed - " | |
562 | "ECF not ready for intr\n"); | |
563 | local->card_status = CARD_DL_PARAM_ERROR; | |
564 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); | |
565 | return -2; | |
566 | } | |
567 | local->card_status = CARD_DL_PARAM; | |
568 | /* Start kernel timer to wait for dl startup to complete. */ | |
569 | local->timer.expires = jiffies + HZ / 2; | |
570 | local->timer.data = (long)local; | |
c061b18d | 571 | local->timer.function = verify_dl_startup; |
141fa61f | 572 | add_timer(&local->timer); |
624dd669 | 573 | dev_dbg(&link->dev, |
141fa61f JD |
574 | "ray_cs dl_startup_params started timer for verify_dl_startup\n"); |
575 | return 0; | |
1da177e4 | 576 | } /* dl_startup_params */ |
141fa61f | 577 | |
1da177e4 LT |
578 | /*===========================================================================*/ |
579 | static void init_startup_params(ray_dev_t *local) | |
580 | { | |
141fa61f JD |
581 | int i; |
582 | ||
583 | if (country > JAPAN_TEST) | |
584 | country = USA; | |
585 | else if (country < USA) | |
586 | country = USA; | |
587 | /* structure for hop time and beacon period is defined here using | |
588 | * New 802.11D6.1 format. Card firmware is still using old format | |
589 | * until version 6. | |
590 | * Before After | |
591 | * a_hop_time ms byte a_hop_time ms byte | |
592 | * a_hop_time 2s byte a_hop_time ls byte | |
593 | * a_hop_time ls byte a_beacon_period ms byte | |
594 | * a_beacon_period a_beacon_period ls byte | |
595 | * | |
596 | * a_hop_time = uS a_hop_time = KuS | |
597 | * a_beacon_period = hops a_beacon_period = KuS | |
598 | *//* 64ms = 010000 */ | |
599 | if (local->fw_ver == 0x55) { | |
600 | memcpy((UCHAR *) &local->sparm.b4, b4_default_startup_parms, | |
601 | sizeof(struct b4_startup_params)); | |
602 | /* Translate sane kus input values to old build 4/5 format */ | |
603 | /* i = hop time in uS truncated to 3 bytes */ | |
604 | i = (hop_dwell * 1024) & 0xffffff; | |
605 | local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff; | |
606 | local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff; | |
607 | local->sparm.b4.a_beacon_period[0] = 0; | |
608 | local->sparm.b4.a_beacon_period[1] = | |
609 | ((beacon_period / hop_dwell) - 1) & 0xff; | |
610 | local->sparm.b4.a_curr_country_code = country; | |
611 | local->sparm.b4.a_hop_pattern_length = | |
612 | hop_pattern_length[(int)country] - 1; | |
613 | if (bc) { | |
614 | local->sparm.b4.a_ack_timeout = 0x50; | |
615 | local->sparm.b4.a_sifs = 0x3f; | |
616 | } | |
617 | } else { /* Version 5 uses real kus values */ | |
618 | memcpy((UCHAR *) &local->sparm.b5, b5_default_startup_parms, | |
619 | sizeof(struct b5_startup_params)); | |
620 | ||
621 | local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff; | |
622 | local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff; | |
623 | local->sparm.b5.a_beacon_period[0] = | |
624 | (beacon_period >> 8) & 0xff; | |
625 | local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff; | |
626 | if (psm) | |
627 | local->sparm.b5.a_power_mgt_state = 1; | |
628 | local->sparm.b5.a_curr_country_code = country; | |
629 | local->sparm.b5.a_hop_pattern_length = | |
630 | hop_pattern_length[(int)country]; | |
631 | } | |
632 | ||
633 | local->sparm.b4.a_network_type = net_type & 0x01; | |
634 | local->sparm.b4.a_acting_as_ap_status = TYPE_STA; | |
635 | ||
636 | if (essid != NULL) | |
637 | strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE); | |
638 | } /* init_startup_params */ | |
639 | ||
1da177e4 LT |
640 | /*===========================================================================*/ |
641 | static void verify_dl_startup(u_long data) | |
642 | { | |
141fa61f JD |
643 | ray_dev_t *local = (ray_dev_t *) data; |
644 | struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs; | |
645 | UCHAR status; | |
646 | struct pcmcia_device *link = local->finder; | |
1da177e4 | 647 | |
141fa61f | 648 | if (!(pcmcia_dev_present(link))) { |
624dd669 | 649 | dev_dbg(&link->dev, "ray_cs verify_dl_startup - device not present\n"); |
141fa61f JD |
650 | return; |
651 | } | |
624dd669 DB |
652 | #if 0 |
653 | { | |
141fa61f JD |
654 | int i; |
655 | printk(KERN_DEBUG | |
656 | "verify_dl_startup parameters sent via ccs %d:\n", | |
657 | local->dl_param_ccs); | |
658 | for (i = 0; i < sizeof(struct b5_startup_params); i++) { | |
659 | printk(" %2x", | |
660 | (unsigned int)readb(local->sram + | |
661 | HOST_TO_ECF_BASE + i)); | |
662 | } | |
663 | printk("\n"); | |
664 | } | |
1da177e4 LT |
665 | #endif |
666 | ||
141fa61f JD |
667 | status = readb(&pccs->buffer_status); |
668 | if (status != CCS_BUFFER_FREE) { | |
669 | printk(KERN_INFO | |
670 | "Download startup params failed. Status = %d\n", | |
671 | status); | |
672 | local->card_status = CARD_DL_PARAM_ERROR; | |
673 | return; | |
674 | } | |
675 | if (local->sparm.b4.a_network_type == ADHOC) | |
676 | start_net((u_long) local); | |
677 | else | |
678 | join_net((u_long) local); | |
1da177e4 | 679 | } /* end verify_dl_startup */ |
141fa61f | 680 | |
1da177e4 LT |
681 | /*===========================================================================*/ |
682 | /* Command card to start a network */ | |
683 | static void start_net(u_long data) | |
684 | { | |
141fa61f JD |
685 | ray_dev_t *local = (ray_dev_t *) data; |
686 | struct ccs __iomem *pccs; | |
687 | int ccsindex; | |
688 | struct pcmcia_device *link = local->finder; | |
689 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 690 | dev_dbg(&link->dev, "ray_cs start_net - device not present\n"); |
141fa61f JD |
691 | return; |
692 | } | |
693 | /* Fill in the CCS fields for the ECF */ | |
694 | if ((ccsindex = get_free_ccs(local)) < 0) | |
695 | return; | |
696 | pccs = ccs_base(local) + ccsindex; | |
697 | writeb(CCS_START_NETWORK, &pccs->cmd); | |
698 | writeb(0, &pccs->var.start_network.update_param); | |
699 | /* Interrupt the firmware to process the command */ | |
700 | if (interrupt_ecf(local, ccsindex)) { | |
624dd669 | 701 | dev_dbg(&link->dev, "ray start net failed - card not ready for intr\n"); |
141fa61f JD |
702 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); |
703 | return; | |
704 | } | |
705 | local->card_status = CARD_DOING_ACQ; | |
1da177e4 | 706 | } /* end start_net */ |
141fa61f | 707 | |
1da177e4 LT |
708 | /*===========================================================================*/ |
709 | /* Command card to join a network */ | |
710 | static void join_net(u_long data) | |
711 | { | |
141fa61f JD |
712 | ray_dev_t *local = (ray_dev_t *) data; |
713 | ||
714 | struct ccs __iomem *pccs; | |
715 | int ccsindex; | |
716 | struct pcmcia_device *link = local->finder; | |
717 | ||
718 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 719 | dev_dbg(&link->dev, "ray_cs join_net - device not present\n"); |
141fa61f JD |
720 | return; |
721 | } | |
722 | /* Fill in the CCS fields for the ECF */ | |
723 | if ((ccsindex = get_free_ccs(local)) < 0) | |
724 | return; | |
725 | pccs = ccs_base(local) + ccsindex; | |
726 | writeb(CCS_JOIN_NETWORK, &pccs->cmd); | |
727 | writeb(0, &pccs->var.join_network.update_param); | |
728 | writeb(0, &pccs->var.join_network.net_initiated); | |
729 | /* Interrupt the firmware to process the command */ | |
730 | if (interrupt_ecf(local, ccsindex)) { | |
624dd669 | 731 | dev_dbg(&link->dev, "ray join net failed - card not ready for intr\n"); |
141fa61f JD |
732 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); |
733 | return; | |
734 | } | |
735 | local->card_status = CARD_DOING_ACQ; | |
1da177e4 | 736 | } |
141fa61f | 737 | |
2262054e | 738 | |
fba395ee | 739 | static void ray_release(struct pcmcia_device *link) |
1da177e4 | 740 | { |
141fa61f JD |
741 | struct net_device *dev = link->priv; |
742 | ray_dev_t *local = netdev_priv(dev); | |
141fa61f | 743 | |
624dd669 | 744 | dev_dbg(&link->dev, "ray_release\n"); |
141fa61f JD |
745 | |
746 | del_timer(&local->timer); | |
747 | ||
748 | iounmap(local->sram); | |
749 | iounmap(local->rmem); | |
750 | iounmap(local->amem); | |
141fa61f JD |
751 | pcmcia_disable_device(link); |
752 | ||
624dd669 | 753 | dev_dbg(&link->dev, "ray_release ending\n"); |
1da177e4 LT |
754 | } |
755 | ||
fba395ee | 756 | static int ray_suspend(struct pcmcia_device *link) |
98e4c28b | 757 | { |
98e4c28b DB |
758 | struct net_device *dev = link->priv; |
759 | ||
e2d40963 | 760 | if (link->open) |
8661bb5b | 761 | netif_device_detach(dev); |
98e4c28b DB |
762 | |
763 | return 0; | |
764 | } | |
765 | ||
fba395ee | 766 | static int ray_resume(struct pcmcia_device *link) |
98e4c28b | 767 | { |
98e4c28b DB |
768 | struct net_device *dev = link->priv; |
769 | ||
e2d40963 | 770 | if (link->open) { |
8661bb5b DB |
771 | ray_reset(dev); |
772 | netif_device_attach(dev); | |
773 | } | |
98e4c28b DB |
774 | |
775 | return 0; | |
776 | } | |
777 | ||
1da177e4 | 778 | /*===========================================================================*/ |
2ed5ba89 | 779 | static int ray_dev_init(struct net_device *dev) |
1da177e4 LT |
780 | { |
781 | #ifdef RAY_IMMEDIATE_INIT | |
141fa61f JD |
782 | int i; |
783 | #endif /* RAY_IMMEDIATE_INIT */ | |
784 | ray_dev_t *local = netdev_priv(dev); | |
785 | struct pcmcia_device *link = local->finder; | |
786 | ||
624dd669 | 787 | dev_dbg(&link->dev, "ray_dev_init(dev=%p)\n", dev); |
141fa61f | 788 | if (!(pcmcia_dev_present(link))) { |
624dd669 | 789 | dev_dbg(&link->dev, "ray_dev_init - device not present\n"); |
141fa61f JD |
790 | return -1; |
791 | } | |
1da177e4 | 792 | #ifdef RAY_IMMEDIATE_INIT |
141fa61f JD |
793 | /* Download startup parameters */ |
794 | if ((i = dl_startup_params(dev)) < 0) { | |
795 | printk(KERN_INFO "ray_dev_init dl_startup_params failed - " | |
796 | "returns 0x%x\n", i); | |
797 | return -1; | |
798 | } | |
799 | #else /* RAY_IMMEDIATE_INIT */ | |
800 | /* Postpone the card init so that we can still configure the card, | |
801 | * for example using the Wireless Extensions. The init will happen | |
802 | * in ray_open() - Jean II */ | |
624dd669 | 803 | dev_dbg(&link->dev, |
141fa61f JD |
804 | "ray_dev_init: postponing card init to ray_open() ; Status = %d\n", |
805 | local->card_status); | |
806 | #endif /* RAY_IMMEDIATE_INIT */ | |
807 | ||
808 | /* copy mac and broadcast addresses to linux device */ | |
3a6d54c5 | 809 | memcpy(dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN); |
93803b33 | 810 | eth_broadcast_addr(dev->broadcast); |
141fa61f | 811 | |
624dd669 | 812 | dev_dbg(&link->dev, "ray_dev_init ending\n"); |
141fa61f | 813 | return 0; |
1da177e4 | 814 | } |
141fa61f | 815 | |
1da177e4 LT |
816 | /*===========================================================================*/ |
817 | static int ray_dev_config(struct net_device *dev, struct ifmap *map) | |
818 | { | |
141fa61f JD |
819 | ray_dev_t *local = netdev_priv(dev); |
820 | struct pcmcia_device *link = local->finder; | |
821 | /* Dummy routine to satisfy device structure */ | |
624dd669 | 822 | dev_dbg(&link->dev, "ray_dev_config(dev=%p,ifmap=%p)\n", dev, map); |
141fa61f | 823 | if (!(pcmcia_dev_present(link))) { |
624dd669 | 824 | dev_dbg(&link->dev, "ray_dev_config - device not present\n"); |
141fa61f JD |
825 | return -1; |
826 | } | |
1da177e4 | 827 | |
141fa61f | 828 | return 0; |
1da177e4 | 829 | } |
141fa61f | 830 | |
1da177e4 | 831 | /*===========================================================================*/ |
d0cf9c0d SH |
832 | static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb, |
833 | struct net_device *dev) | |
1da177e4 | 834 | { |
141fa61f JD |
835 | ray_dev_t *local = netdev_priv(dev); |
836 | struct pcmcia_device *link = local->finder; | |
837 | short length = skb->len; | |
838 | ||
d0cf9c0d | 839 | if (!pcmcia_dev_present(link)) { |
624dd669 | 840 | dev_dbg(&link->dev, "ray_dev_start_xmit - device not present\n"); |
d0cf9c0d SH |
841 | dev_kfree_skb(skb); |
842 | return NETDEV_TX_OK; | |
141fa61f | 843 | } |
d0cf9c0d | 844 | |
624dd669 | 845 | dev_dbg(&link->dev, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb, dev); |
141fa61f | 846 | if (local->authentication_state == NEED_TO_AUTH) { |
624dd669 | 847 | dev_dbg(&link->dev, "ray_cs Sending authentication request.\n"); |
141fa61f JD |
848 | if (!build_auth_frame(local, local->auth_id, OPEN_AUTH_REQUEST)) { |
849 | local->authentication_state = AUTHENTICATED; | |
850 | netif_stop_queue(dev); | |
5b548140 | 851 | return NETDEV_TX_BUSY; |
141fa61f JD |
852 | } |
853 | } | |
854 | ||
855 | if (length < ETH_ZLEN) { | |
856 | if (skb_padto(skb, ETH_ZLEN)) | |
6ed10654 | 857 | return NETDEV_TX_OK; |
141fa61f JD |
858 | length = ETH_ZLEN; |
859 | } | |
860 | switch (ray_hw_xmit(skb->data, length, dev, DATA_TYPE)) { | |
861 | case XMIT_NO_CCS: | |
862 | case XMIT_NEED_AUTH: | |
863 | netif_stop_queue(dev); | |
5b548140 | 864 | return NETDEV_TX_BUSY; |
141fa61f JD |
865 | case XMIT_NO_INTR: |
866 | case XMIT_MSG_BAD: | |
867 | case XMIT_OK: | |
868 | default: | |
141fa61f | 869 | dev_kfree_skb(skb); |
141fa61f | 870 | } |
d0cf9c0d | 871 | |
6ed10654 | 872 | return NETDEV_TX_OK; |
1da177e4 | 873 | } /* ray_dev_start_xmit */ |
141fa61f | 874 | |
1da177e4 | 875 | /*===========================================================================*/ |
141fa61f JD |
876 | static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev, |
877 | UCHAR msg_type) | |
878 | { | |
879 | ray_dev_t *local = netdev_priv(dev); | |
880 | struct ccs __iomem *pccs; | |
881 | int ccsindex; | |
882 | int offset; | |
883 | struct tx_msg __iomem *ptx; /* Address of xmit buffer in PC space */ | |
884 | short int addr; /* Address of xmit buffer in card space */ | |
885 | ||
624dd669 | 886 | pr_debug("ray_hw_xmit(data=%p, len=%d, dev=%p)\n", data, len, dev); |
141fa61f JD |
887 | if (len + TX_HEADER_LENGTH > TX_BUF_SIZE) { |
888 | printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n", | |
889 | len); | |
890 | return XMIT_MSG_BAD; | |
891 | } | |
1da177e4 LT |
892 | switch (ccsindex = get_free_tx_ccs(local)) { |
893 | case ECCSBUSY: | |
624dd669 | 894 | pr_debug("ray_hw_xmit tx_ccs table busy\n"); |
1da177e4 | 895 | case ECCSFULL: |
624dd669 | 896 | pr_debug("ray_hw_xmit No free tx ccs\n"); |
1da177e4 | 897 | case ECARDGONE: |
141fa61f JD |
898 | netif_stop_queue(dev); |
899 | return XMIT_NO_CCS; | |
1da177e4 LT |
900 | default: |
901 | break; | |
902 | } | |
141fa61f JD |
903 | addr = TX_BUF_BASE + (ccsindex << 11); |
904 | ||
905 | if (msg_type == DATA_TYPE) { | |
906 | local->stats.tx_bytes += len; | |
907 | local->stats.tx_packets++; | |
908 | } | |
909 | ||
910 | ptx = local->sram + addr; | |
911 | ||
912 | ray_build_header(local, ptx, msg_type, data); | |
913 | if (translate) { | |
914 | offset = translate_frame(local, ptx, data, len); | |
915 | } else { /* Encapsulate frame */ | |
916 | /* TBD TIB length will move address of ptx->var */ | |
917 | memcpy_toio(&ptx->var, data, len); | |
918 | offset = 0; | |
919 | } | |
920 | ||
921 | /* fill in the CCS */ | |
922 | pccs = ccs_base(local) + ccsindex; | |
923 | len += TX_HEADER_LENGTH + offset; | |
924 | writeb(CCS_TX_REQUEST, &pccs->cmd); | |
925 | writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]); | |
926 | writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]); | |
927 | writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]); | |
928 | writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]); | |
1da177e4 | 929 | /* TBD still need psm_cam? */ |
141fa61f JD |
930 | writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode); |
931 | writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate); | |
932 | writeb(0, &pccs->var.tx_request.antenna); | |
624dd669 | 933 | pr_debug("ray_hw_xmit default_tx_rate = 0x%x\n", |
141fa61f JD |
934 | local->net_default_tx_rate); |
935 | ||
936 | /* Interrupt the firmware to process the command */ | |
937 | if (interrupt_ecf(local, ccsindex)) { | |
624dd669 | 938 | pr_debug("ray_hw_xmit failed - ECF not ready for intr\n"); |
1da177e4 LT |
939 | /* TBD very inefficient to copy packet to buffer, and then not |
940 | send it, but the alternative is to queue the messages and that | |
941 | won't be done for a while. Maybe set tbusy until a CCS is free? | |
942 | */ | |
141fa61f JD |
943 | writeb(CCS_BUFFER_FREE, &pccs->buffer_status); |
944 | return XMIT_NO_INTR; | |
945 | } | |
946 | return XMIT_OK; | |
1da177e4 | 947 | } /* end ray_hw_xmit */ |
141fa61f | 948 | |
1da177e4 | 949 | /*===========================================================================*/ |
141fa61f JD |
950 | static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx, |
951 | unsigned char *data, int len) | |
952 | { | |
953 | __be16 proto = ((struct ethhdr *)data)->h_proto; | |
e5c5d22e | 954 | if (ntohs(proto) >= ETH_P_802_3_MIN) { /* DIX II ethernet frame */ |
624dd669 | 955 | pr_debug("ray_cs translate_frame DIX II\n"); |
141fa61f JD |
956 | /* Copy LLC header to card buffer */ |
957 | memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc)); | |
958 | memcpy_toio(((void __iomem *)&ptx->var) + sizeof(eth2_llc), | |
959 | (UCHAR *) &proto, 2); | |
960 | if (proto == htons(ETH_P_AARP) || proto == htons(ETH_P_IPX)) { | |
961 | /* This is the selective translation table, only 2 entries */ | |
962 | writeb(0xf8, | |
963 | &((struct snaphdr_t __iomem *)ptx->var)->org[3]); | |
964 | } | |
965 | /* Copy body of ethernet packet without ethernet header */ | |
966 | memcpy_toio((void __iomem *)&ptx->var + | |
967 | sizeof(struct snaphdr_t), data + ETH_HLEN, | |
968 | len - ETH_HLEN); | |
969 | return (int)sizeof(struct snaphdr_t) - ETH_HLEN; | |
970 | } else { /* already 802 type, and proto is length */ | |
624dd669 | 971 | pr_debug("ray_cs translate_frame 802\n"); |
141fa61f | 972 | if (proto == htons(0xffff)) { /* evil netware IPX 802.3 without LLC */ |
624dd669 | 973 | pr_debug("ray_cs translate_frame evil IPX\n"); |
141fa61f JD |
974 | memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN); |
975 | return 0 - ETH_HLEN; | |
976 | } | |
977 | memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN); | |
978 | return 0 - ETH_HLEN; | |
979 | } | |
980 | /* TBD do other frame types */ | |
1da177e4 | 981 | } /* end translate_frame */ |
141fa61f | 982 | |
1da177e4 | 983 | /*===========================================================================*/ |
141fa61f JD |
984 | static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx, |
985 | UCHAR msg_type, unsigned char *data) | |
1da177e4 | 986 | { |
141fa61f | 987 | writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1); |
1da177e4 | 988 | /*** IEEE 802.11 Address field assignments ************* |
141fa61f JD |
989 | TODS FROMDS addr_1 addr_2 addr_3 addr_4 |
990 | Adhoc 0 0 dest src (terminal) BSSID N/A | |
991 | AP to Terminal 0 1 dest AP(BSSID) source N/A | |
992 | Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A | |
993 | AP to AP 1 1 dest AP src AP dest source | |
1da177e4 | 994 | *******************************************************/ |
141fa61f JD |
995 | if (local->net_type == ADHOC) { |
996 | writeb(0, &ptx->mac.frame_ctl_2); | |
997 | memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest, | |
998 | 2 * ADDRLEN); | |
999 | memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN); | |
1000 | } else { /* infrastructure */ | |
1001 | ||
1002 | if (local->sparm.b4.a_acting_as_ap_status) { | |
1003 | writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2); | |
1004 | memcpy_toio(ptx->mac.addr_1, | |
1005 | ((struct ethhdr *)data)->h_dest, ADDRLEN); | |
1006 | memcpy_toio(ptx->mac.addr_2, local->bss_id, 6); | |
1007 | memcpy_toio(ptx->mac.addr_3, | |
1008 | ((struct ethhdr *)data)->h_source, ADDRLEN); | |
1009 | } else { /* Terminal */ | |
1010 | ||
1011 | writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2); | |
1012 | memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN); | |
1013 | memcpy_toio(ptx->mac.addr_2, | |
1014 | ((struct ethhdr *)data)->h_source, ADDRLEN); | |
1015 | memcpy_toio(ptx->mac.addr_3, | |
1016 | ((struct ethhdr *)data)->h_dest, ADDRLEN); | |
1017 | } | |
1018 | } | |
1da177e4 LT |
1019 | } /* end encapsulate_frame */ |
1020 | ||
1da177e4 LT |
1021 | /*====================================================================*/ |
1022 | ||
3d5d5ac0 JT |
1023 | /*------------------------------------------------------------------*/ |
1024 | /* | |
1025 | * Wireless Handler : get protocol name | |
1026 | */ | |
43ead78a JP |
1027 | static int ray_get_name(struct net_device *dev, struct iw_request_info *info, |
1028 | union iwreq_data *wrqu, char *extra) | |
1da177e4 | 1029 | { |
43ead78a | 1030 | strcpy(wrqu->name, "IEEE 802.11-FH"); |
3d5d5ac0 JT |
1031 | return 0; |
1032 | } | |
1da177e4 | 1033 | |
3d5d5ac0 JT |
1034 | /*------------------------------------------------------------------*/ |
1035 | /* | |
1036 | * Wireless Handler : set frequency | |
1037 | */ | |
43ead78a JP |
1038 | static int ray_set_freq(struct net_device *dev, struct iw_request_info *info, |
1039 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1040 | { |
6dbc9c89 | 1041 | ray_dev_t *local = netdev_priv(dev); |
141fa61f | 1042 | int err = -EINPROGRESS; /* Call commit handler */ |
1da177e4 | 1043 | |
3d5d5ac0 | 1044 | /* Reject if card is already initialised */ |
141fa61f | 1045 | if (local->card_status != CARD_AWAITING_PARAM) |
3d5d5ac0 | 1046 | return -EBUSY; |
1da177e4 | 1047 | |
3d5d5ac0 | 1048 | /* Setting by channel number */ |
43ead78a | 1049 | if ((wrqu->freq.m > USA_HOP_MOD) || (wrqu->freq.e > 0)) |
3d5d5ac0 JT |
1050 | err = -EOPNOTSUPP; |
1051 | else | |
43ead78a | 1052 | local->sparm.b5.a_hop_pattern = wrqu->freq.m; |
1da177e4 | 1053 | |
3d5d5ac0 JT |
1054 | return err; |
1055 | } | |
141fa61f | 1056 | |
3d5d5ac0 JT |
1057 | /*------------------------------------------------------------------*/ |
1058 | /* | |
1059 | * Wireless Handler : get frequency | |
1060 | */ | |
43ead78a JP |
1061 | static int ray_get_freq(struct net_device *dev, struct iw_request_info *info, |
1062 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1063 | { |
6dbc9c89 | 1064 | ray_dev_t *local = netdev_priv(dev); |
1da177e4 | 1065 | |
43ead78a JP |
1066 | wrqu->freq.m = local->sparm.b5.a_hop_pattern; |
1067 | wrqu->freq.e = 0; | |
3d5d5ac0 JT |
1068 | return 0; |
1069 | } | |
1070 | ||
1071 | /*------------------------------------------------------------------*/ | |
1072 | /* | |
1073 | * Wireless Handler : set ESSID | |
1074 | */ | |
43ead78a JP |
1075 | static int ray_set_essid(struct net_device *dev, struct iw_request_info *info, |
1076 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1077 | { |
6dbc9c89 | 1078 | ray_dev_t *local = netdev_priv(dev); |
3d5d5ac0 JT |
1079 | |
1080 | /* Reject if card is already initialised */ | |
141fa61f | 1081 | if (local->card_status != CARD_AWAITING_PARAM) |
3d5d5ac0 JT |
1082 | return -EBUSY; |
1083 | ||
1084 | /* Check if we asked for `any' */ | |
43ead78a | 1085 | if (wrqu->essid.flags == 0) |
1da177e4 | 1086 | /* Corey : can you do that ? */ |
3d5d5ac0 | 1087 | return -EOPNOTSUPP; |
1da177e4 | 1088 | |
43ead78a JP |
1089 | /* Check the size of the string */ |
1090 | if (wrqu->essid.length > IW_ESSID_MAX_SIZE) | |
1091 | return -E2BIG; | |
1092 | ||
1093 | /* Set the ESSID in the card */ | |
1094 | memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE); | |
1095 | memcpy(local->sparm.b5.a_current_ess_id, extra, wrqu->essid.length); | |
1da177e4 | 1096 | |
141fa61f | 1097 | return -EINPROGRESS; /* Call commit handler */ |
3d5d5ac0 | 1098 | } |
1da177e4 | 1099 | |
3d5d5ac0 JT |
1100 | /*------------------------------------------------------------------*/ |
1101 | /* | |
1102 | * Wireless Handler : get ESSID | |
1103 | */ | |
43ead78a JP |
1104 | static int ray_get_essid(struct net_device *dev, struct iw_request_info *info, |
1105 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1106 | { |
6dbc9c89 | 1107 | ray_dev_t *local = netdev_priv(dev); |
708d019f | 1108 | UCHAR tmp[IW_ESSID_MAX_SIZE + 1]; |
3d5d5ac0 JT |
1109 | |
1110 | /* Get the essid that was set */ | |
1111 | memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE); | |
708d019f CG |
1112 | memcpy(tmp, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE); |
1113 | tmp[IW_ESSID_MAX_SIZE] = '\0'; | |
3d5d5ac0 JT |
1114 | |
1115 | /* Push it out ! */ | |
708d019f | 1116 | wrqu->essid.length = strlen(tmp); |
43ead78a | 1117 | wrqu->essid.flags = 1; /* active */ |
3d5d5ac0 JT |
1118 | |
1119 | return 0; | |
1120 | } | |
1121 | ||
1122 | /*------------------------------------------------------------------*/ | |
1123 | /* | |
1124 | * Wireless Handler : get AP address | |
1125 | */ | |
43ead78a JP |
1126 | static int ray_get_wap(struct net_device *dev, struct iw_request_info *info, |
1127 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1128 | { |
6dbc9c89 | 1129 | ray_dev_t *local = netdev_priv(dev); |
3d5d5ac0 | 1130 | |
43ead78a JP |
1131 | memcpy(wrqu->ap_addr.sa_data, local->bss_id, ETH_ALEN); |
1132 | wrqu->ap_addr.sa_family = ARPHRD_ETHER; | |
3d5d5ac0 JT |
1133 | |
1134 | return 0; | |
1135 | } | |
1136 | ||
1137 | /*------------------------------------------------------------------*/ | |
1138 | /* | |
1139 | * Wireless Handler : set Bit-Rate | |
1140 | */ | |
43ead78a JP |
1141 | static int ray_set_rate(struct net_device *dev, struct iw_request_info *info, |
1142 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1143 | { |
6dbc9c89 | 1144 | ray_dev_t *local = netdev_priv(dev); |
3d5d5ac0 JT |
1145 | |
1146 | /* Reject if card is already initialised */ | |
141fa61f | 1147 | if (local->card_status != CARD_AWAITING_PARAM) |
3d5d5ac0 JT |
1148 | return -EBUSY; |
1149 | ||
1150 | /* Check if rate is in range */ | |
43ead78a | 1151 | if ((wrqu->bitrate.value != 1000000) && (wrqu->bitrate.value != 2000000)) |
3d5d5ac0 JT |
1152 | return -EINVAL; |
1153 | ||
1154 | /* Hack for 1.5 Mb/s instead of 2 Mb/s */ | |
141fa61f | 1155 | if ((local->fw_ver == 0x55) && /* Please check */ |
43ead78a | 1156 | (wrqu->bitrate.value == 2000000)) |
3d5d5ac0 | 1157 | local->net_default_tx_rate = 3; |
1da177e4 | 1158 | else |
43ead78a | 1159 | local->net_default_tx_rate = wrqu->bitrate.value / 500000; |
3d5d5ac0 JT |
1160 | |
1161 | return 0; | |
1162 | } | |
1163 | ||
1164 | /*------------------------------------------------------------------*/ | |
1165 | /* | |
1166 | * Wireless Handler : get Bit-Rate | |
1167 | */ | |
43ead78a JP |
1168 | static int ray_get_rate(struct net_device *dev, struct iw_request_info *info, |
1169 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1170 | { |
6dbc9c89 | 1171 | ray_dev_t *local = netdev_priv(dev); |
3d5d5ac0 | 1172 | |
141fa61f | 1173 | if (local->net_default_tx_rate == 3) |
43ead78a | 1174 | wrqu->bitrate.value = 2000000; /* Hum... */ |
3d5d5ac0 | 1175 | else |
43ead78a JP |
1176 | wrqu->bitrate.value = local->net_default_tx_rate * 500000; |
1177 | wrqu->bitrate.fixed = 0; /* We are in auto mode */ | |
3d5d5ac0 JT |
1178 | |
1179 | return 0; | |
1180 | } | |
1181 | ||
1182 | /*------------------------------------------------------------------*/ | |
1183 | /* | |
1184 | * Wireless Handler : set RTS threshold | |
1185 | */ | |
43ead78a JP |
1186 | static int ray_set_rts(struct net_device *dev, struct iw_request_info *info, |
1187 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1188 | { |
6dbc9c89 | 1189 | ray_dev_t *local = netdev_priv(dev); |
43ead78a | 1190 | int rthr = wrqu->rts.value; |
3d5d5ac0 JT |
1191 | |
1192 | /* Reject if card is already initialised */ | |
141fa61f | 1193 | if (local->card_status != CARD_AWAITING_PARAM) |
3d5d5ac0 JT |
1194 | return -EBUSY; |
1195 | ||
1196 | /* if(wrq->u.rts.fixed == 0) we should complain */ | |
43ead78a | 1197 | if (wrqu->rts.disabled) |
3d5d5ac0 JT |
1198 | rthr = 32767; |
1199 | else { | |
141fa61f | 1200 | if ((rthr < 0) || (rthr > 2347)) /* What's the max packet size ??? */ |
3d5d5ac0 JT |
1201 | return -EINVAL; |
1202 | } | |
1da177e4 LT |
1203 | local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF; |
1204 | local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF; | |
1da177e4 | 1205 | |
141fa61f | 1206 | return -EINPROGRESS; /* Call commit handler */ |
3d5d5ac0 | 1207 | } |
1da177e4 | 1208 | |
3d5d5ac0 JT |
1209 | /*------------------------------------------------------------------*/ |
1210 | /* | |
1211 | * Wireless Handler : get RTS threshold | |
1212 | */ | |
43ead78a JP |
1213 | static int ray_get_rts(struct net_device *dev, struct iw_request_info *info, |
1214 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1215 | { |
6dbc9c89 | 1216 | ray_dev_t *local = netdev_priv(dev); |
3d5d5ac0 | 1217 | |
43ead78a | 1218 | wrqu->rts.value = (local->sparm.b5.a_rts_threshold[0] << 8) |
141fa61f | 1219 | + local->sparm.b5.a_rts_threshold[1]; |
43ead78a JP |
1220 | wrqu->rts.disabled = (wrqu->rts.value == 32767); |
1221 | wrqu->rts.fixed = 1; | |
3d5d5ac0 JT |
1222 | |
1223 | return 0; | |
1224 | } | |
1225 | ||
1226 | /*------------------------------------------------------------------*/ | |
1227 | /* | |
1228 | * Wireless Handler : set Fragmentation threshold | |
1229 | */ | |
43ead78a JP |
1230 | static int ray_set_frag(struct net_device *dev, struct iw_request_info *info, |
1231 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1232 | { |
6dbc9c89 | 1233 | ray_dev_t *local = netdev_priv(dev); |
43ead78a | 1234 | int fthr = wrqu->frag.value; |
3d5d5ac0 JT |
1235 | |
1236 | /* Reject if card is already initialised */ | |
141fa61f | 1237 | if (local->card_status != CARD_AWAITING_PARAM) |
3d5d5ac0 | 1238 | return -EBUSY; |
1da177e4 LT |
1239 | |
1240 | /* if(wrq->u.frag.fixed == 0) should complain */ | |
43ead78a | 1241 | if (wrqu->frag.disabled) |
3d5d5ac0 JT |
1242 | fthr = 32767; |
1243 | else { | |
141fa61f | 1244 | if ((fthr < 256) || (fthr > 2347)) /* To check out ! */ |
3d5d5ac0 JT |
1245 | return -EINVAL; |
1246 | } | |
1da177e4 LT |
1247 | local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF; |
1248 | local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF; | |
1da177e4 | 1249 | |
141fa61f | 1250 | return -EINPROGRESS; /* Call commit handler */ |
3d5d5ac0 JT |
1251 | } |
1252 | ||
1253 | /*------------------------------------------------------------------*/ | |
1254 | /* | |
1255 | * Wireless Handler : get Fragmentation threshold | |
1256 | */ | |
43ead78a JP |
1257 | static int ray_get_frag(struct net_device *dev, struct iw_request_info *info, |
1258 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1259 | { |
6dbc9c89 | 1260 | ray_dev_t *local = netdev_priv(dev); |
3d5d5ac0 | 1261 | |
43ead78a | 1262 | wrqu->frag.value = (local->sparm.b5.a_frag_threshold[0] << 8) |
141fa61f | 1263 | + local->sparm.b5.a_frag_threshold[1]; |
43ead78a JP |
1264 | wrqu->frag.disabled = (wrqu->frag.value == 32767); |
1265 | wrqu->frag.fixed = 1; | |
1da177e4 | 1266 | |
3d5d5ac0 JT |
1267 | return 0; |
1268 | } | |
1da177e4 | 1269 | |
3d5d5ac0 JT |
1270 | /*------------------------------------------------------------------*/ |
1271 | /* | |
1272 | * Wireless Handler : set Mode of Operation | |
1273 | */ | |
43ead78a JP |
1274 | static int ray_set_mode(struct net_device *dev, struct iw_request_info *info, |
1275 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1276 | { |
6dbc9c89 | 1277 | ray_dev_t *local = netdev_priv(dev); |
141fa61f | 1278 | int err = -EINPROGRESS; /* Call commit handler */ |
1da177e4 | 1279 | char card_mode = 1; |
1da177e4 | 1280 | |
3d5d5ac0 | 1281 | /* Reject if card is already initialised */ |
141fa61f | 1282 | if (local->card_status != CARD_AWAITING_PARAM) |
3d5d5ac0 JT |
1283 | return -EBUSY; |
1284 | ||
43ead78a | 1285 | switch (wrqu->mode) { |
1da177e4 | 1286 | case IW_MODE_ADHOC: |
3d5d5ac0 | 1287 | card_mode = 0; |
141fa61f | 1288 | /* Fall through */ |
1da177e4 | 1289 | case IW_MODE_INFRA: |
3d5d5ac0 JT |
1290 | local->sparm.b5.a_network_type = card_mode; |
1291 | break; | |
1da177e4 | 1292 | default: |
3d5d5ac0 | 1293 | err = -EINVAL; |
1da177e4 | 1294 | } |
1da177e4 | 1295 | |
3d5d5ac0 JT |
1296 | return err; |
1297 | } | |
1da177e4 | 1298 | |
3d5d5ac0 JT |
1299 | /*------------------------------------------------------------------*/ |
1300 | /* | |
1301 | * Wireless Handler : get Mode of Operation | |
1302 | */ | |
43ead78a JP |
1303 | static int ray_get_mode(struct net_device *dev, struct iw_request_info *info, |
1304 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1305 | { |
6dbc9c89 | 1306 | ray_dev_t *local = netdev_priv(dev); |
1da177e4 | 1307 | |
141fa61f | 1308 | if (local->sparm.b5.a_network_type) |
43ead78a | 1309 | wrqu->mode = IW_MODE_INFRA; |
3d5d5ac0 | 1310 | else |
43ead78a | 1311 | wrqu->mode = IW_MODE_ADHOC; |
1da177e4 | 1312 | |
3d5d5ac0 JT |
1313 | return 0; |
1314 | } | |
1da177e4 | 1315 | |
3d5d5ac0 JT |
1316 | /*------------------------------------------------------------------*/ |
1317 | /* | |
1318 | * Wireless Handler : get range info | |
1319 | */ | |
43ead78a JP |
1320 | static int ray_get_range(struct net_device *dev, struct iw_request_info *info, |
1321 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1322 | { |
141fa61f | 1323 | struct iw_range *range = (struct iw_range *)extra; |
3d5d5ac0 | 1324 | |
43ead78a | 1325 | memset(range, 0, sizeof(struct iw_range)); |
3d5d5ac0 JT |
1326 | |
1327 | /* Set the length (very important for backward compatibility) */ | |
43ead78a | 1328 | wrqu->data.length = sizeof(struct iw_range); |
3d5d5ac0 JT |
1329 | |
1330 | /* Set the Wireless Extension versions */ | |
1331 | range->we_version_compiled = WIRELESS_EXT; | |
1332 | range->we_version_source = 9; | |
1333 | ||
1334 | /* Set information in the range struct */ | |
1335 | range->throughput = 1.1 * 1000 * 1000; /* Put the right number here */ | |
141fa61f | 1336 | range->num_channels = hop_pattern_length[(int)country]; |
3d5d5ac0 JT |
1337 | range->num_frequency = 0; |
1338 | range->max_qual.qual = 0; | |
1339 | range->max_qual.level = 255; /* What's the correct value ? */ | |
1340 | range->max_qual.noise = 255; /* Idem */ | |
1341 | range->num_bitrates = 2; | |
1342 | range->bitrate[0] = 1000000; /* 1 Mb/s */ | |
1343 | range->bitrate[1] = 2000000; /* 2 Mb/s */ | |
1344 | return 0; | |
1345 | } | |
1da177e4 | 1346 | |
3d5d5ac0 JT |
1347 | /*------------------------------------------------------------------*/ |
1348 | /* | |
1349 | * Wireless Private Handler : set framing mode | |
1350 | */ | |
43ead78a | 1351 | static int ray_set_framing(struct net_device *dev, struct iw_request_info *info, |
141fa61f | 1352 | union iwreq_data *wrqu, char *extra) |
3d5d5ac0 | 1353 | { |
2dcc26e3 | 1354 | translate = !!*(extra); /* Set framing mode */ |
1da177e4 | 1355 | |
3d5d5ac0 JT |
1356 | return 0; |
1357 | } | |
1da177e4 | 1358 | |
3d5d5ac0 JT |
1359 | /*------------------------------------------------------------------*/ |
1360 | /* | |
1361 | * Wireless Private Handler : get framing mode | |
1362 | */ | |
43ead78a | 1363 | static int ray_get_framing(struct net_device *dev, struct iw_request_info *info, |
141fa61f | 1364 | union iwreq_data *wrqu, char *extra) |
3d5d5ac0 JT |
1365 | { |
1366 | *(extra) = translate; | |
1367 | ||
1368 | return 0; | |
1369 | } | |
1370 | ||
1371 | /*------------------------------------------------------------------*/ | |
1372 | /* | |
1373 | * Wireless Private Handler : get country | |
1374 | */ | |
43ead78a | 1375 | static int ray_get_country(struct net_device *dev, struct iw_request_info *info, |
141fa61f | 1376 | union iwreq_data *wrqu, char *extra) |
3d5d5ac0 JT |
1377 | { |
1378 | *(extra) = country; | |
1379 | ||
1380 | return 0; | |
1381 | } | |
1382 | ||
1383 | /*------------------------------------------------------------------*/ | |
1384 | /* | |
1385 | * Commit handler : called after a bunch of SET operations | |
1386 | */ | |
43ead78a JP |
1387 | static int ray_commit(struct net_device *dev, struct iw_request_info *info, |
1388 | union iwreq_data *wrqu, char *extra) | |
1389 | { | |
3d5d5ac0 JT |
1390 | return 0; |
1391 | } | |
1392 | ||
1393 | /*------------------------------------------------------------------*/ | |
1394 | /* | |
1395 | * Stats handler : return Wireless Stats | |
1396 | */ | |
141fa61f | 1397 | static iw_stats *ray_get_wireless_stats(struct net_device *dev) |
1da177e4 | 1398 | { |
141fa61f JD |
1399 | ray_dev_t *local = netdev_priv(dev); |
1400 | struct pcmcia_device *link = local->finder; | |
1401 | struct status __iomem *p = local->sram + STATUS_BASE; | |
1da177e4 | 1402 | |
141fa61f | 1403 | local->wstats.status = local->card_status; |
1da177e4 | 1404 | #ifdef WIRELESS_SPY |
141fa61f JD |
1405 | if ((local->spy_data.spy_number > 0) |
1406 | && (local->sparm.b5.a_network_type == 0)) { | |
1407 | /* Get it from the first node in spy list */ | |
1408 | local->wstats.qual.qual = local->spy_data.spy_stat[0].qual; | |
1409 | local->wstats.qual.level = local->spy_data.spy_stat[0].level; | |
1410 | local->wstats.qual.noise = local->spy_data.spy_stat[0].noise; | |
1411 | local->wstats.qual.updated = | |
1412 | local->spy_data.spy_stat[0].updated; | |
1413 | } | |
1da177e4 LT |
1414 | #endif /* WIRELESS_SPY */ |
1415 | ||
141fa61f JD |
1416 | if (pcmcia_dev_present(link)) { |
1417 | local->wstats.qual.noise = readb(&p->rxnoise); | |
1418 | local->wstats.qual.updated |= 4; | |
1419 | } | |
1da177e4 | 1420 | |
141fa61f | 1421 | return &local->wstats; |
1da177e4 | 1422 | } /* end ray_get_wireless_stats */ |
3d5d5ac0 JT |
1423 | |
1424 | /*------------------------------------------------------------------*/ | |
1425 | /* | |
1426 | * Structures to export the Wireless Handlers | |
1427 | */ | |
1428 | ||
141fa61f | 1429 | static const iw_handler ray_handler[] = { |
43ead78a JP |
1430 | IW_HANDLER(SIOCSIWCOMMIT, ray_commit), |
1431 | IW_HANDLER(SIOCGIWNAME, ray_get_name), | |
1432 | IW_HANDLER(SIOCSIWFREQ, ray_set_freq), | |
1433 | IW_HANDLER(SIOCGIWFREQ, ray_get_freq), | |
1434 | IW_HANDLER(SIOCSIWMODE, ray_set_mode), | |
1435 | IW_HANDLER(SIOCGIWMODE, ray_get_mode), | |
1436 | IW_HANDLER(SIOCGIWRANGE, ray_get_range), | |
3d5d5ac0 | 1437 | #ifdef WIRELESS_SPY |
270020e8 JP |
1438 | IW_HANDLER(SIOCSIWSPY, iw_handler_set_spy), |
1439 | IW_HANDLER(SIOCGIWSPY, iw_handler_get_spy), | |
1440 | IW_HANDLER(SIOCSIWTHRSPY, iw_handler_set_thrspy), | |
1441 | IW_HANDLER(SIOCGIWTHRSPY, iw_handler_get_thrspy), | |
141fa61f | 1442 | #endif /* WIRELESS_SPY */ |
43ead78a JP |
1443 | IW_HANDLER(SIOCGIWAP, ray_get_wap), |
1444 | IW_HANDLER(SIOCSIWESSID, ray_set_essid), | |
1445 | IW_HANDLER(SIOCGIWESSID, ray_get_essid), | |
1446 | IW_HANDLER(SIOCSIWRATE, ray_set_rate), | |
1447 | IW_HANDLER(SIOCGIWRATE, ray_get_rate), | |
1448 | IW_HANDLER(SIOCSIWRTS, ray_set_rts), | |
1449 | IW_HANDLER(SIOCGIWRTS, ray_get_rts), | |
1450 | IW_HANDLER(SIOCSIWFRAG, ray_set_frag), | |
1451 | IW_HANDLER(SIOCGIWFRAG, ray_get_frag), | |
3d5d5ac0 JT |
1452 | }; |
1453 | ||
141fa61f | 1454 | #define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */ |
3d5d5ac0 JT |
1455 | #define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */ |
1456 | #define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */ | |
1457 | ||
141fa61f | 1458 | static const iw_handler ray_private_handler[] = { |
43ead78a JP |
1459 | [0] = ray_set_framing, |
1460 | [1] = ray_get_framing, | |
1461 | [3] = ray_get_country, | |
3d5d5ac0 JT |
1462 | }; |
1463 | ||
141fa61f | 1464 | static const struct iw_priv_args ray_private_args[] = { |
3d5d5ac0 | 1465 | /* cmd, set_args, get_args, name */ |
141fa61f JD |
1466 | {SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0, |
1467 | "set_framing"}, | |
1468 | {SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, | |
1469 | "get_framing"}, | |
1470 | {SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, | |
1471 | "get_country"}, | |
3d5d5ac0 JT |
1472 | }; |
1473 | ||
141fa61f JD |
1474 | static const struct iw_handler_def ray_handler_def = { |
1475 | .num_standard = ARRAY_SIZE(ray_handler), | |
1476 | .num_private = ARRAY_SIZE(ray_private_handler), | |
ff8ac609 | 1477 | .num_private_args = ARRAY_SIZE(ray_private_args), |
141fa61f JD |
1478 | .standard = ray_handler, |
1479 | .private = ray_private_handler, | |
1480 | .private_args = ray_private_args, | |
3d5d5ac0 JT |
1481 | .get_wireless_stats = ray_get_wireless_stats, |
1482 | }; | |
1483 | ||
1da177e4 LT |
1484 | /*===========================================================================*/ |
1485 | static int ray_open(struct net_device *dev) | |
1486 | { | |
141fa61f JD |
1487 | ray_dev_t *local = netdev_priv(dev); |
1488 | struct pcmcia_device *link; | |
1489 | link = local->finder; | |
1da177e4 | 1490 | |
624dd669 | 1491 | dev_dbg(&link->dev, "ray_open('%s')\n", dev->name); |
1da177e4 | 1492 | |
141fa61f JD |
1493 | if (link->open == 0) |
1494 | local->num_multi = 0; | |
1495 | link->open++; | |
1da177e4 | 1496 | |
141fa61f JD |
1497 | /* If the card is not started, time to start it ! - Jean II */ |
1498 | if (local->card_status == CARD_AWAITING_PARAM) { | |
1499 | int i; | |
1da177e4 | 1500 | |
624dd669 | 1501 | dev_dbg(&link->dev, "ray_open: doing init now !\n"); |
141fa61f JD |
1502 | |
1503 | /* Download startup parameters */ | |
1504 | if ((i = dl_startup_params(dev)) < 0) { | |
1505 | printk(KERN_INFO | |
1506 | "ray_dev_init dl_startup_params failed - " | |
1507 | "returns 0x%x\n", i); | |
1508 | return -1; | |
1509 | } | |
1510 | } | |
1511 | ||
1512 | if (sniffer) | |
1513 | netif_stop_queue(dev); | |
1514 | else | |
1515 | netif_start_queue(dev); | |
1516 | ||
624dd669 | 1517 | dev_dbg(&link->dev, "ray_open ending\n"); |
141fa61f | 1518 | return 0; |
1da177e4 | 1519 | } /* end ray_open */ |
141fa61f | 1520 | |
1da177e4 LT |
1521 | /*===========================================================================*/ |
1522 | static int ray_dev_close(struct net_device *dev) | |
1523 | { | |
141fa61f JD |
1524 | ray_dev_t *local = netdev_priv(dev); |
1525 | struct pcmcia_device *link; | |
1526 | link = local->finder; | |
1da177e4 | 1527 | |
624dd669 | 1528 | dev_dbg(&link->dev, "ray_dev_close('%s')\n", dev->name); |
1da177e4 | 1529 | |
141fa61f JD |
1530 | link->open--; |
1531 | netif_stop_queue(dev); | |
1da177e4 | 1532 | |
141fa61f JD |
1533 | /* In here, we should stop the hardware (stop card from beeing active) |
1534 | * and set local->card_status to CARD_AWAITING_PARAM, so that while the | |
1535 | * card is closed we can chage its configuration. | |
1536 | * Probably also need a COR reset to get sane state - Jean II */ | |
1da177e4 | 1537 | |
141fa61f | 1538 | return 0; |
1da177e4 | 1539 | } /* end ray_dev_close */ |
141fa61f | 1540 | |
1da177e4 | 1541 | /*===========================================================================*/ |
141fa61f JD |
1542 | static void ray_reset(struct net_device *dev) |
1543 | { | |
624dd669 | 1544 | pr_debug("ray_reset entered\n"); |
1da177e4 | 1545 | } |
141fa61f | 1546 | |
1da177e4 LT |
1547 | /*===========================================================================*/ |
1548 | /* Cause a firmware interrupt if it is ready for one */ | |
1549 | /* Return nonzero if not ready */ | |
1550 | static int interrupt_ecf(ray_dev_t *local, int ccs) | |
1551 | { | |
141fa61f JD |
1552 | int i = 50; |
1553 | struct pcmcia_device *link = local->finder; | |
1554 | ||
1555 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 1556 | dev_dbg(&link->dev, "ray_cs interrupt_ecf - device not present\n"); |
141fa61f JD |
1557 | return -1; |
1558 | } | |
624dd669 | 1559 | dev_dbg(&link->dev, "interrupt_ecf(local=%p, ccs = 0x%x\n", local, ccs); |
141fa61f JD |
1560 | |
1561 | while (i && | |
1562 | (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) & | |
1563 | ECF_INTR_SET)) | |
1564 | i--; | |
1565 | if (i == 0) { | |
624dd669 | 1566 | dev_dbg(&link->dev, "ray_cs interrupt_ecf card not ready for interrupt\n"); |
141fa61f JD |
1567 | return -1; |
1568 | } | |
1da177e4 | 1569 | /* Fill the mailbox, then kick the card */ |
141fa61f JD |
1570 | writeb(ccs, local->sram + SCB_BASE); |
1571 | writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET); | |
1572 | return 0; | |
1da177e4 | 1573 | } /* interrupt_ecf */ |
141fa61f | 1574 | |
1da177e4 LT |
1575 | /*===========================================================================*/ |
1576 | /* Get next free transmit CCS */ | |
1577 | /* Return - index of current tx ccs */ | |
1578 | static int get_free_tx_ccs(ray_dev_t *local) | |
1579 | { | |
141fa61f JD |
1580 | int i; |
1581 | struct ccs __iomem *pccs = ccs_base(local); | |
1582 | struct pcmcia_device *link = local->finder; | |
1da177e4 | 1583 | |
141fa61f | 1584 | if (!(pcmcia_dev_present(link))) { |
624dd669 | 1585 | dev_dbg(&link->dev, "ray_cs get_free_tx_ccs - device not present\n"); |
141fa61f JD |
1586 | return ECARDGONE; |
1587 | } | |
1da177e4 | 1588 | |
141fa61f | 1589 | if (test_and_set_bit(0, &local->tx_ccs_lock)) { |
624dd669 | 1590 | dev_dbg(&link->dev, "ray_cs tx_ccs_lock busy\n"); |
141fa61f JD |
1591 | return ECCSBUSY; |
1592 | } | |
1da177e4 | 1593 | |
141fa61f JD |
1594 | for (i = 0; i < NUMBER_OF_TX_CCS; i++) { |
1595 | if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) { | |
1596 | writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status); | |
1597 | writeb(CCS_END_LIST, &(pccs + i)->link); | |
1da177e4 | 1598 | local->tx_ccs_lock = 0; |
141fa61f JD |
1599 | return i; |
1600 | } | |
1601 | } | |
1da177e4 | 1602 | local->tx_ccs_lock = 0; |
624dd669 | 1603 | dev_dbg(&link->dev, "ray_cs ERROR no free tx CCS for raylink card\n"); |
141fa61f | 1604 | return ECCSFULL; |
1da177e4 | 1605 | } /* get_free_tx_ccs */ |
141fa61f | 1606 | |
1da177e4 LT |
1607 | /*===========================================================================*/ |
1608 | /* Get next free CCS */ | |
1609 | /* Return - index of current ccs */ | |
1610 | static int get_free_ccs(ray_dev_t *local) | |
1611 | { | |
141fa61f JD |
1612 | int i; |
1613 | struct ccs __iomem *pccs = ccs_base(local); | |
1614 | struct pcmcia_device *link = local->finder; | |
1615 | ||
1616 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 1617 | dev_dbg(&link->dev, "ray_cs get_free_ccs - device not present\n"); |
141fa61f JD |
1618 | return ECARDGONE; |
1619 | } | |
1620 | if (test_and_set_bit(0, &local->ccs_lock)) { | |
624dd669 | 1621 | dev_dbg(&link->dev, "ray_cs ccs_lock busy\n"); |
141fa61f JD |
1622 | return ECCSBUSY; |
1623 | } | |
1624 | ||
1625 | for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) { | |
1626 | if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) { | |
1627 | writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status); | |
1628 | writeb(CCS_END_LIST, &(pccs + i)->link); | |
1da177e4 | 1629 | local->ccs_lock = 0; |
141fa61f JD |
1630 | return i; |
1631 | } | |
1632 | } | |
1da177e4 | 1633 | local->ccs_lock = 0; |
624dd669 | 1634 | dev_dbg(&link->dev, "ray_cs ERROR no free CCS for raylink card\n"); |
141fa61f | 1635 | return ECCSFULL; |
1da177e4 | 1636 | } /* get_free_ccs */ |
141fa61f | 1637 | |
1da177e4 LT |
1638 | /*===========================================================================*/ |
1639 | static void authenticate_timeout(u_long data) | |
1640 | { | |
141fa61f JD |
1641 | ray_dev_t *local = (ray_dev_t *) data; |
1642 | del_timer(&local->timer); | |
1643 | printk(KERN_INFO "ray_cs Authentication with access point failed" | |
1644 | " - timeout\n"); | |
1645 | join_net((u_long) local); | |
1da177e4 | 1646 | } |
141fa61f | 1647 | |
1da177e4 LT |
1648 | /*===========================================================================*/ |
1649 | static int parse_addr(char *in_str, UCHAR *out) | |
1650 | { | |
141fa61f JD |
1651 | int len; |
1652 | int i, j, k; | |
1653 | int status; | |
1654 | ||
1655 | if (in_str == NULL) | |
1656 | return 0; | |
1657 | if ((len = strlen(in_str)) < 2) | |
1658 | return 0; | |
1659 | memset(out, 0, ADDRLEN); | |
1660 | ||
1661 | status = 1; | |
1662 | j = len - 1; | |
1663 | if (j > 12) | |
1664 | j = 12; | |
1665 | i = 5; | |
1666 | ||
1667 | while (j > 0) { | |
882d829a | 1668 | if ((k = hex_to_bin(in_str[j--])) != -1) |
141fa61f JD |
1669 | out[i] = k; |
1670 | else | |
1671 | return 0; | |
1672 | ||
1673 | if (j == 0) | |
1674 | break; | |
882d829a | 1675 | if ((k = hex_to_bin(in_str[j--])) != -1) |
141fa61f JD |
1676 | out[i] += k << 4; |
1677 | else | |
1678 | return 0; | |
1679 | if (!i--) | |
1680 | break; | |
1681 | } | |
1682 | return status; | |
1da177e4 | 1683 | } |
141fa61f | 1684 | |
1da177e4 LT |
1685 | /*===========================================================================*/ |
1686 | static struct net_device_stats *ray_get_stats(struct net_device *dev) | |
1687 | { | |
141fa61f JD |
1688 | ray_dev_t *local = netdev_priv(dev); |
1689 | struct pcmcia_device *link = local->finder; | |
1690 | struct status __iomem *p = local->sram + STATUS_BASE; | |
1691 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 1692 | dev_dbg(&link->dev, "ray_cs net_device_stats - device not present\n"); |
141fa61f JD |
1693 | return &local->stats; |
1694 | } | |
1695 | if (readb(&p->mrx_overflow_for_host)) { | |
1696 | local->stats.rx_over_errors += swab16(readw(&p->mrx_overflow)); | |
1697 | writeb(0, &p->mrx_overflow); | |
1698 | writeb(0, &p->mrx_overflow_for_host); | |
1699 | } | |
1700 | if (readb(&p->mrx_checksum_error_for_host)) { | |
1701 | local->stats.rx_crc_errors += | |
1702 | swab16(readw(&p->mrx_checksum_error)); | |
1703 | writeb(0, &p->mrx_checksum_error); | |
1704 | writeb(0, &p->mrx_checksum_error_for_host); | |
1705 | } | |
1706 | if (readb(&p->rx_hec_error_for_host)) { | |
1707 | local->stats.rx_frame_errors += swab16(readw(&p->rx_hec_error)); | |
1708 | writeb(0, &p->rx_hec_error); | |
1709 | writeb(0, &p->rx_hec_error_for_host); | |
1710 | } | |
1711 | return &local->stats; | |
1da177e4 | 1712 | } |
141fa61f | 1713 | |
1da177e4 | 1714 | /*===========================================================================*/ |
141fa61f JD |
1715 | static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, |
1716 | int len) | |
1717 | { | |
1718 | ray_dev_t *local = netdev_priv(dev); | |
1719 | struct pcmcia_device *link = local->finder; | |
1720 | int ccsindex; | |
1721 | int i; | |
1722 | struct ccs __iomem *pccs; | |
1723 | ||
1724 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 1725 | dev_dbg(&link->dev, "ray_update_parm - device not present\n"); |
141fa61f JD |
1726 | return; |
1727 | } | |
1728 | ||
1729 | if ((ccsindex = get_free_ccs(local)) < 0) { | |
624dd669 | 1730 | dev_dbg(&link->dev, "ray_update_parm - No free ccs\n"); |
141fa61f JD |
1731 | return; |
1732 | } | |
1733 | pccs = ccs_base(local) + ccsindex; | |
1734 | writeb(CCS_UPDATE_PARAMS, &pccs->cmd); | |
1735 | writeb(objid, &pccs->var.update_param.object_id); | |
1736 | writeb(1, &pccs->var.update_param.number_objects); | |
1737 | writeb(0, &pccs->var.update_param.failure_cause); | |
1738 | for (i = 0; i < len; i++) { | |
1739 | writeb(value[i], local->sram + HOST_TO_ECF_BASE); | |
1740 | } | |
1741 | /* Interrupt the firmware to process the command */ | |
1742 | if (interrupt_ecf(local, ccsindex)) { | |
624dd669 | 1743 | dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n"); |
141fa61f JD |
1744 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); |
1745 | } | |
1da177e4 | 1746 | } |
141fa61f | 1747 | |
1da177e4 LT |
1748 | /*===========================================================================*/ |
1749 | static void ray_update_multi_list(struct net_device *dev, int all) | |
1750 | { | |
141fa61f JD |
1751 | int ccsindex; |
1752 | struct ccs __iomem *pccs; | |
141fa61f JD |
1753 | ray_dev_t *local = netdev_priv(dev); |
1754 | struct pcmcia_device *link = local->finder; | |
1755 | void __iomem *p = local->sram + HOST_TO_ECF_BASE; | |
1756 | ||
1757 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 1758 | dev_dbg(&link->dev, "ray_update_multi_list - device not present\n"); |
141fa61f JD |
1759 | return; |
1760 | } else | |
624dd669 | 1761 | dev_dbg(&link->dev, "ray_update_multi_list(%p)\n", dev); |
141fa61f | 1762 | if ((ccsindex = get_free_ccs(local)) < 0) { |
624dd669 | 1763 | dev_dbg(&link->dev, "ray_update_multi - No free ccs\n"); |
141fa61f JD |
1764 | return; |
1765 | } | |
1766 | pccs = ccs_base(local) + ccsindex; | |
1767 | writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd); | |
1768 | ||
1769 | if (all) { | |
1770 | writeb(0xff, &pccs->var); | |
1771 | local->num_multi = 0xff; | |
1772 | } else { | |
22bedad3 | 1773 | struct netdev_hw_addr *ha; |
655ffee2 JP |
1774 | int i = 0; |
1775 | ||
141fa61f | 1776 | /* Copy the kernel's list of MC addresses to card */ |
22bedad3 JP |
1777 | netdev_for_each_mc_addr(ha, dev) { |
1778 | memcpy_toio(p, ha->addr, ETH_ALEN); | |
78b85956 AS |
1779 | dev_dbg(&link->dev, "ray_update_multi add addr %pm\n", |
1780 | ha->addr); | |
141fa61f JD |
1781 | p += ETH_ALEN; |
1782 | i++; | |
1783 | } | |
1784 | if (i > 256 / ADDRLEN) | |
1785 | i = 256 / ADDRLEN; | |
1786 | writeb((UCHAR) i, &pccs->var); | |
624dd669 | 1787 | dev_dbg(&link->dev, "ray_cs update_multi %d addresses in list\n", i); |
141fa61f JD |
1788 | /* Interrupt the firmware to process the command */ |
1789 | local->num_multi = i; | |
1790 | } | |
1791 | if (interrupt_ecf(local, ccsindex)) { | |
624dd669 | 1792 | dev_dbg(&link->dev, |
141fa61f JD |
1793 | "ray_cs update_multi failed - ECF not ready for intr\n"); |
1794 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); | |
1795 | } | |
1da177e4 | 1796 | } /* end ray_update_multi_list */ |
141fa61f | 1797 | |
1da177e4 LT |
1798 | /*===========================================================================*/ |
1799 | static void set_multicast_list(struct net_device *dev) | |
1800 | { | |
141fa61f JD |
1801 | ray_dev_t *local = netdev_priv(dev); |
1802 | UCHAR promisc; | |
1803 | ||
624dd669 | 1804 | pr_debug("ray_cs set_multicast_list(%p)\n", dev); |
141fa61f JD |
1805 | |
1806 | if (dev->flags & IFF_PROMISC) { | |
1807 | if (local->sparm.b5.a_promiscuous_mode == 0) { | |
624dd669 | 1808 | pr_debug("ray_cs set_multicast_list promisc on\n"); |
141fa61f JD |
1809 | local->sparm.b5.a_promiscuous_mode = 1; |
1810 | promisc = 1; | |
1811 | ray_update_parm(dev, OBJID_promiscuous_mode, | |
1812 | &promisc, sizeof(promisc)); | |
1813 | } | |
1814 | } else { | |
1815 | if (local->sparm.b5.a_promiscuous_mode == 1) { | |
624dd669 | 1816 | pr_debug("ray_cs set_multicast_list promisc off\n"); |
141fa61f JD |
1817 | local->sparm.b5.a_promiscuous_mode = 0; |
1818 | promisc = 0; | |
1819 | ray_update_parm(dev, OBJID_promiscuous_mode, | |
1820 | &promisc, sizeof(promisc)); | |
1821 | } | |
1822 | } | |
1823 | ||
1824 | if (dev->flags & IFF_ALLMULTI) | |
1825 | ray_update_multi_list(dev, 1); | |
1826 | else { | |
4cd24eaf | 1827 | if (local->num_multi != netdev_mc_count(dev)) |
141fa61f JD |
1828 | ray_update_multi_list(dev, 0); |
1829 | } | |
1da177e4 | 1830 | } /* end set_multicast_list */ |
141fa61f | 1831 | |
1da177e4 LT |
1832 | /*============================================================================= |
1833 | * All routines below here are run at interrupt time. | |
1834 | =============================================================================*/ | |
7d12e780 | 1835 | static irqreturn_t ray_interrupt(int irq, void *dev_id) |
1da177e4 | 1836 | { |
141fa61f JD |
1837 | struct net_device *dev = (struct net_device *)dev_id; |
1838 | struct pcmcia_device *link; | |
1839 | ray_dev_t *local; | |
1840 | struct ccs __iomem *pccs; | |
1841 | struct rcs __iomem *prcs; | |
1842 | UCHAR rcsindex; | |
1843 | UCHAR tmp; | |
1844 | UCHAR cmd; | |
1845 | UCHAR status; | |
708d019f CG |
1846 | UCHAR memtmp[ESSID_SIZE + 1]; |
1847 | ||
141fa61f JD |
1848 | |
1849 | if (dev == NULL) /* Note that we want interrupts with dev->start == 0 */ | |
1850 | return IRQ_NONE; | |
1851 | ||
624dd669 | 1852 | pr_debug("ray_cs: interrupt for *dev=%p\n", dev); |
141fa61f JD |
1853 | |
1854 | local = netdev_priv(dev); | |
2c208890 | 1855 | link = local->finder; |
141fa61f | 1856 | if (!pcmcia_dev_present(link)) { |
624dd669 DB |
1857 | pr_debug( |
1858 | "ray_cs interrupt from device not present or suspended.\n"); | |
141fa61f JD |
1859 | return IRQ_NONE; |
1860 | } | |
1861 | rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index); | |
1862 | ||
1863 | if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) { | |
624dd669 | 1864 | dev_dbg(&link->dev, "ray_cs interrupt bad rcsindex = 0x%x\n", rcsindex); |
141fa61f JD |
1865 | clear_interrupt(local); |
1866 | return IRQ_HANDLED; | |
1867 | } | |
1868 | if (rcsindex < NUMBER_OF_CCS) { /* If it's a returned CCS */ | |
1869 | pccs = ccs_base(local) + rcsindex; | |
1870 | cmd = readb(&pccs->cmd); | |
1871 | status = readb(&pccs->buffer_status); | |
1872 | switch (cmd) { | |
1873 | case CCS_DOWNLOAD_STARTUP_PARAMS: /* Happens in firmware someday */ | |
1874 | del_timer(&local->timer); | |
1875 | if (status == CCS_COMMAND_COMPLETE) { | |
624dd669 | 1876 | dev_dbg(&link->dev, |
141fa61f JD |
1877 | "ray_cs interrupt download_startup_parameters OK\n"); |
1878 | } else { | |
624dd669 | 1879 | dev_dbg(&link->dev, |
141fa61f JD |
1880 | "ray_cs interrupt download_startup_parameters fail\n"); |
1881 | } | |
1882 | break; | |
1883 | case CCS_UPDATE_PARAMS: | |
624dd669 | 1884 | dev_dbg(&link->dev, "ray_cs interrupt update params done\n"); |
141fa61f JD |
1885 | if (status != CCS_COMMAND_COMPLETE) { |
1886 | tmp = | |
1887 | readb(&pccs->var.update_param. | |
1888 | failure_cause); | |
624dd669 | 1889 | dev_dbg(&link->dev, |
141fa61f JD |
1890 | "ray_cs interrupt update params failed - reason %d\n", |
1891 | tmp); | |
1892 | } | |
1893 | break; | |
1894 | case CCS_REPORT_PARAMS: | |
624dd669 | 1895 | dev_dbg(&link->dev, "ray_cs interrupt report params done\n"); |
141fa61f JD |
1896 | break; |
1897 | case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */ | |
624dd669 | 1898 | dev_dbg(&link->dev, |
141fa61f JD |
1899 | "ray_cs interrupt CCS Update Multicast List done\n"); |
1900 | break; | |
1901 | case CCS_UPDATE_POWER_SAVINGS_MODE: | |
624dd669 | 1902 | dev_dbg(&link->dev, |
141fa61f JD |
1903 | "ray_cs interrupt update power save mode done\n"); |
1904 | break; | |
1905 | case CCS_START_NETWORK: | |
1906 | case CCS_JOIN_NETWORK: | |
708d019f CG |
1907 | memcpy(memtmp, local->sparm.b4.a_current_ess_id, |
1908 | ESSID_SIZE); | |
1909 | memtmp[ESSID_SIZE] = '\0'; | |
1910 | ||
141fa61f JD |
1911 | if (status == CCS_COMMAND_COMPLETE) { |
1912 | if (readb | |
1913 | (&pccs->var.start_network.net_initiated) == | |
1914 | 1) { | |
624dd669 | 1915 | dev_dbg(&link->dev, |
141fa61f | 1916 | "ray_cs interrupt network \"%s\" started\n", |
708d019f | 1917 | memtmp); |
141fa61f | 1918 | } else { |
624dd669 | 1919 | dev_dbg(&link->dev, |
141fa61f | 1920 | "ray_cs interrupt network \"%s\" joined\n", |
708d019f | 1921 | memtmp); |
141fa61f JD |
1922 | } |
1923 | memcpy_fromio(&local->bss_id, | |
1924 | pccs->var.start_network.bssid, | |
1925 | ADDRLEN); | |
1926 | ||
1927 | if (local->fw_ver == 0x55) | |
1928 | local->net_default_tx_rate = 3; | |
1929 | else | |
1930 | local->net_default_tx_rate = | |
1931 | readb(&pccs->var.start_network. | |
1932 | net_default_tx_rate); | |
1933 | local->encryption = | |
1934 | readb(&pccs->var.start_network.encryption); | |
1935 | if (!sniffer && (local->net_type == INFRA) | |
1936 | && !(local->sparm.b4.a_acting_as_ap_status)) { | |
1937 | authenticate(local); | |
1938 | } | |
1939 | local->card_status = CARD_ACQ_COMPLETE; | |
1940 | } else { | |
1941 | local->card_status = CARD_ACQ_FAILED; | |
1942 | ||
1943 | del_timer(&local->timer); | |
1944 | local->timer.expires = jiffies + HZ * 5; | |
1945 | local->timer.data = (long)local; | |
1946 | if (status == CCS_START_NETWORK) { | |
624dd669 | 1947 | dev_dbg(&link->dev, |
141fa61f | 1948 | "ray_cs interrupt network \"%s\" start failed\n", |
708d019f | 1949 | memtmp); |
c061b18d | 1950 | local->timer.function = start_net; |
141fa61f | 1951 | } else { |
624dd669 | 1952 | dev_dbg(&link->dev, |
141fa61f | 1953 | "ray_cs interrupt network \"%s\" join failed\n", |
708d019f | 1954 | memtmp); |
c061b18d | 1955 | local->timer.function = join_net; |
141fa61f JD |
1956 | } |
1957 | add_timer(&local->timer); | |
1958 | } | |
1959 | break; | |
1960 | case CCS_START_ASSOCIATION: | |
1961 | if (status == CCS_COMMAND_COMPLETE) { | |
1962 | local->card_status = CARD_ASSOC_COMPLETE; | |
624dd669 | 1963 | dev_dbg(&link->dev, "ray_cs association successful\n"); |
141fa61f | 1964 | } else { |
624dd669 | 1965 | dev_dbg(&link->dev, "ray_cs association failed,\n"); |
141fa61f JD |
1966 | local->card_status = CARD_ASSOC_FAILED; |
1967 | join_net((u_long) local); | |
1968 | } | |
1969 | break; | |
1970 | case CCS_TX_REQUEST: | |
1971 | if (status == CCS_COMMAND_COMPLETE) { | |
624dd669 | 1972 | dev_dbg(&link->dev, |
141fa61f JD |
1973 | "ray_cs interrupt tx request complete\n"); |
1974 | } else { | |
624dd669 | 1975 | dev_dbg(&link->dev, |
141fa61f JD |
1976 | "ray_cs interrupt tx request failed\n"); |
1977 | } | |
1978 | if (!sniffer) | |
1979 | netif_start_queue(dev); | |
1980 | netif_wake_queue(dev); | |
1981 | break; | |
1982 | case CCS_TEST_MEMORY: | |
624dd669 | 1983 | dev_dbg(&link->dev, "ray_cs interrupt mem test done\n"); |
141fa61f JD |
1984 | break; |
1985 | case CCS_SHUTDOWN: | |
624dd669 | 1986 | dev_dbg(&link->dev, |
141fa61f JD |
1987 | "ray_cs interrupt Unexpected CCS returned - Shutdown\n"); |
1988 | break; | |
1989 | case CCS_DUMP_MEMORY: | |
624dd669 | 1990 | dev_dbg(&link->dev, "ray_cs interrupt dump memory done\n"); |
141fa61f JD |
1991 | break; |
1992 | case CCS_START_TIMER: | |
624dd669 | 1993 | dev_dbg(&link->dev, |
141fa61f JD |
1994 | "ray_cs interrupt DING - raylink timer expired\n"); |
1995 | break; | |
1996 | default: | |
624dd669 | 1997 | dev_dbg(&link->dev, |
141fa61f JD |
1998 | "ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n", |
1999 | rcsindex, cmd); | |
2000 | } | |
2001 | writeb(CCS_BUFFER_FREE, &pccs->buffer_status); | |
2002 | } else { /* It's an RCS */ | |
2003 | ||
2004 | prcs = rcs_base(local) + rcsindex; | |
2005 | ||
2006 | switch (readb(&prcs->interrupt_id)) { | |
2007 | case PROCESS_RX_PACKET: | |
2008 | ray_rx(dev, local, prcs); | |
2009 | break; | |
2010 | case REJOIN_NET_COMPLETE: | |
624dd669 | 2011 | dev_dbg(&link->dev, "ray_cs interrupt rejoin net complete\n"); |
141fa61f JD |
2012 | local->card_status = CARD_ACQ_COMPLETE; |
2013 | /* do we need to clear tx buffers CCS's? */ | |
2014 | if (local->sparm.b4.a_network_type == ADHOC) { | |
2015 | if (!sniffer) | |
2016 | netif_start_queue(dev); | |
2017 | } else { | |
2018 | memcpy_fromio(&local->bss_id, | |
2019 | prcs->var.rejoin_net_complete. | |
2020 | bssid, ADDRLEN); | |
78b85956 AS |
2021 | dev_dbg(&link->dev, "ray_cs new BSSID = %pm\n", |
2022 | local->bss_id); | |
141fa61f JD |
2023 | if (!sniffer) |
2024 | authenticate(local); | |
2025 | } | |
2026 | break; | |
2027 | case ROAMING_INITIATED: | |
624dd669 | 2028 | dev_dbg(&link->dev, "ray_cs interrupt roaming initiated\n"); |
141fa61f JD |
2029 | netif_stop_queue(dev); |
2030 | local->card_status = CARD_DOING_ACQ; | |
2031 | break; | |
2032 | case JAPAN_CALL_SIGN_RXD: | |
624dd669 | 2033 | dev_dbg(&link->dev, "ray_cs interrupt japan call sign rx\n"); |
141fa61f JD |
2034 | break; |
2035 | default: | |
624dd669 | 2036 | dev_dbg(&link->dev, |
141fa61f JD |
2037 | "ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n", |
2038 | rcsindex, | |
2039 | (unsigned int)readb(&prcs->interrupt_id)); | |
2040 | break; | |
2041 | } | |
2042 | writeb(CCS_BUFFER_FREE, &prcs->buffer_status); | |
2043 | } | |
2044 | clear_interrupt(local); | |
2045 | return IRQ_HANDLED; | |
1da177e4 | 2046 | } /* ray_interrupt */ |
141fa61f | 2047 | |
1da177e4 | 2048 | /*===========================================================================*/ |
141fa61f JD |
2049 | static void ray_rx(struct net_device *dev, ray_dev_t *local, |
2050 | struct rcs __iomem *prcs) | |
2051 | { | |
2052 | int rx_len; | |
2053 | unsigned int pkt_addr; | |
2054 | void __iomem *pmsg; | |
624dd669 | 2055 | pr_debug("ray_rx process rx packet\n"); |
141fa61f JD |
2056 | |
2057 | /* Calculate address of packet within Rx buffer */ | |
2058 | pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8) | |
2059 | + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END; | |
2060 | /* Length of first packet fragment */ | |
2061 | rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8) | |
2062 | + readb(&prcs->var.rx_packet.rx_data_length[1]); | |
2063 | ||
2064 | local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev); | |
2065 | pmsg = local->rmem + pkt_addr; | |
2066 | switch (readb(pmsg)) { | |
2067 | case DATA_TYPE: | |
624dd669 | 2068 | pr_debug("ray_rx data type\n"); |
141fa61f JD |
2069 | rx_data(dev, prcs, pkt_addr, rx_len); |
2070 | break; | |
2071 | case AUTHENTIC_TYPE: | |
624dd669 | 2072 | pr_debug("ray_rx authentic type\n"); |
141fa61f JD |
2073 | if (sniffer) |
2074 | rx_data(dev, prcs, pkt_addr, rx_len); | |
2075 | else | |
2076 | rx_authenticate(local, prcs, pkt_addr, rx_len); | |
2077 | break; | |
2078 | case DEAUTHENTIC_TYPE: | |
624dd669 | 2079 | pr_debug("ray_rx deauth type\n"); |
141fa61f JD |
2080 | if (sniffer) |
2081 | rx_data(dev, prcs, pkt_addr, rx_len); | |
2082 | else | |
2083 | rx_deauthenticate(local, prcs, pkt_addr, rx_len); | |
2084 | break; | |
2085 | case NULL_MSG_TYPE: | |
624dd669 | 2086 | pr_debug("ray_cs rx NULL msg\n"); |
141fa61f JD |
2087 | break; |
2088 | case BEACON_TYPE: | |
624dd669 | 2089 | pr_debug("ray_rx beacon type\n"); |
141fa61f JD |
2090 | if (sniffer) |
2091 | rx_data(dev, prcs, pkt_addr, rx_len); | |
2092 | ||
2093 | copy_from_rx_buff(local, (UCHAR *) &local->last_bcn, pkt_addr, | |
2094 | rx_len < sizeof(struct beacon_rx) ? | |
2095 | rx_len : sizeof(struct beacon_rx)); | |
2096 | ||
2097 | local->beacon_rxed = 1; | |
2098 | /* Get the statistics so the card counters never overflow */ | |
2099 | ray_get_stats(dev); | |
2100 | break; | |
2101 | default: | |
624dd669 | 2102 | pr_debug("ray_cs unknown pkt type %2x\n", |
141fa61f JD |
2103 | (unsigned int)readb(pmsg)); |
2104 | break; | |
2105 | } | |
1da177e4 LT |
2106 | |
2107 | } /* end ray_rx */ | |
141fa61f | 2108 | |
1da177e4 | 2109 | /*===========================================================================*/ |
141fa61f JD |
2110 | static void rx_data(struct net_device *dev, struct rcs __iomem *prcs, |
2111 | unsigned int pkt_addr, int rx_len) | |
2112 | { | |
2113 | struct sk_buff *skb = NULL; | |
2114 | struct rcs __iomem *prcslink = prcs; | |
2115 | ray_dev_t *local = netdev_priv(dev); | |
2116 | UCHAR *rx_ptr; | |
2117 | int total_len; | |
2118 | int tmp; | |
1da177e4 | 2119 | #ifdef WIRELESS_SPY |
141fa61f JD |
2120 | int siglev = local->last_rsl; |
2121 | u_char linksrcaddr[ETH_ALEN]; /* Other end of the wireless link */ | |
1da177e4 LT |
2122 | #endif |
2123 | ||
141fa61f JD |
2124 | if (!sniffer) { |
2125 | if (translate) { | |
1da177e4 | 2126 | /* TBD length needs fixing for translated header */ |
141fa61f JD |
2127 | if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) || |
2128 | rx_len > | |
2129 | (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN + | |
2130 | FCS_LEN)) { | |
624dd669 | 2131 | pr_debug( |
cb01b09c | 2132 | "ray_cs invalid packet length %d received\n", |
141fa61f JD |
2133 | rx_len); |
2134 | return; | |
2135 | } | |
2136 | } else { /* encapsulated ethernet */ | |
2137 | ||
2138 | if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) || | |
2139 | rx_len > | |
2140 | (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN + | |
2141 | FCS_LEN)) { | |
624dd669 | 2142 | pr_debug( |
cb01b09c | 2143 | "ray_cs invalid packet length %d received\n", |
141fa61f JD |
2144 | rx_len); |
2145 | return; | |
2146 | } | |
2147 | } | |
2148 | } | |
624dd669 | 2149 | pr_debug("ray_cs rx_data packet\n"); |
141fa61f JD |
2150 | /* If fragmented packet, verify sizes of fragments add up */ |
2151 | if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) { | |
624dd669 | 2152 | pr_debug("ray_cs rx'ed fragment\n"); |
141fa61f JD |
2153 | tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8) |
2154 | + readb(&prcs->var.rx_packet.totalpacketlength[1]); | |
2155 | total_len = tmp; | |
2156 | prcslink = prcs; | |
2157 | do { | |
2158 | tmp -= | |
2159 | (readb(&prcslink->var.rx_packet.rx_data_length[0]) | |
2160 | << 8) | |
2161 | + readb(&prcslink->var.rx_packet.rx_data_length[1]); | |
2162 | if (readb(&prcslink->var.rx_packet.next_frag_rcs_index) | |
2163 | == 0xFF || tmp < 0) | |
2164 | break; | |
2165 | prcslink = rcs_base(local) | |
2166 | + readb(&prcslink->link_field); | |
2167 | } while (1); | |
2168 | ||
2169 | if (tmp < 0) { | |
624dd669 | 2170 | pr_debug( |
141fa61f JD |
2171 | "ray_cs rx_data fragment lengths don't add up\n"); |
2172 | local->stats.rx_dropped++; | |
2173 | release_frag_chain(local, prcs); | |
2174 | return; | |
2175 | } | |
2176 | } else { /* Single unfragmented packet */ | |
2177 | total_len = rx_len; | |
2178 | } | |
2179 | ||
2180 | skb = dev_alloc_skb(total_len + 5); | |
2181 | if (skb == NULL) { | |
624dd669 | 2182 | pr_debug("ray_cs rx_data could not allocate skb\n"); |
141fa61f JD |
2183 | local->stats.rx_dropped++; |
2184 | if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) | |
2185 | release_frag_chain(local, prcs); | |
2186 | return; | |
2187 | } | |
2188 | skb_reserve(skb, 2); /* Align IP on 16 byte (TBD check this) */ | |
2189 | ||
624dd669 | 2190 | pr_debug("ray_cs rx_data total_len = %x, rx_len = %x\n", total_len, |
141fa61f | 2191 | rx_len); |
1da177e4 LT |
2192 | |
2193 | /************************/ | |
141fa61f JD |
2194 | /* Reserve enough room for the whole damn packet. */ |
2195 | rx_ptr = skb_put(skb, total_len); | |
2196 | /* Copy the whole packet to sk_buff */ | |
2197 | rx_ptr += | |
2198 | copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len); | |
2199 | /* Get source address */ | |
1da177e4 | 2200 | #ifdef WIRELESS_SPY |
141fa61f JD |
2201 | skb_copy_from_linear_data_offset(skb, |
2202 | offsetof(struct mac_header, addr_2), | |
2203 | linksrcaddr, ETH_ALEN); | |
1da177e4 | 2204 | #endif |
141fa61f JD |
2205 | /* Now, deal with encapsulation/translation/sniffer */ |
2206 | if (!sniffer) { | |
2207 | if (!translate) { | |
2208 | /* Encapsulated ethernet, so just lop off 802.11 MAC header */ | |
1da177e4 | 2209 | /* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */ |
141fa61f JD |
2210 | skb_pull(skb, RX_MAC_HEADER_LENGTH); |
2211 | } else { | |
2212 | /* Do translation */ | |
2213 | untranslate(local, skb, total_len); | |
2214 | } | |
2215 | } else { /* sniffer mode, so just pass whole packet */ | |
2216 | }; | |
1da177e4 LT |
2217 | |
2218 | /************************/ | |
141fa61f JD |
2219 | /* Now pick up the rest of the fragments if any */ |
2220 | tmp = 17; | |
2221 | if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) { | |
2222 | prcslink = prcs; | |
624dd669 | 2223 | pr_debug("ray_cs rx_data in fragment loop\n"); |
141fa61f JD |
2224 | do { |
2225 | prcslink = rcs_base(local) | |
2226 | + | |
2227 | readb(&prcslink->var.rx_packet.next_frag_rcs_index); | |
2228 | rx_len = | |
2229 | ((readb(&prcslink->var.rx_packet.rx_data_length[0]) | |
2230 | << 8) | |
2231 | + | |
2232 | readb(&prcslink->var.rx_packet.rx_data_length[1])) | |
2233 | & RX_BUFF_END; | |
2234 | pkt_addr = | |
2235 | ((readb(&prcslink->var.rx_packet.rx_data_ptr[0]) << | |
2236 | 8) | |
2237 | + readb(&prcslink->var.rx_packet.rx_data_ptr[1])) | |
2238 | & RX_BUFF_END; | |
2239 | ||
2240 | rx_ptr += | |
2241 | copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len); | |
2242 | ||
2243 | } while (tmp-- && | |
2244 | readb(&prcslink->var.rx_packet.next_frag_rcs_index) != | |
2245 | 0xFF); | |
2246 | release_frag_chain(local, prcs); | |
2247 | } | |
2248 | ||
2249 | skb->protocol = eth_type_trans(skb, dev); | |
2250 | netif_rx(skb); | |
2251 | local->stats.rx_packets++; | |
2252 | local->stats.rx_bytes += total_len; | |
2253 | ||
2254 | /* Gather signal strength per address */ | |
1da177e4 | 2255 | #ifdef WIRELESS_SPY |
141fa61f JD |
2256 | /* For the Access Point or the node having started the ad-hoc net |
2257 | * note : ad-hoc work only in some specific configurations, but we | |
2258 | * kludge in ray_get_wireless_stats... */ | |
2259 | if (!memcmp(linksrcaddr, local->bss_id, ETH_ALEN)) { | |
2260 | /* Update statistics */ | |
2261 | /*local->wstats.qual.qual = none ? */ | |
2262 | local->wstats.qual.level = siglev; | |
2263 | /*local->wstats.qual.noise = none ? */ | |
2264 | local->wstats.qual.updated = 0x2; | |
2265 | } | |
2266 | /* Now, update the spy stuff */ | |
2267 | { | |
2268 | struct iw_quality wstats; | |
2269 | wstats.level = siglev; | |
2270 | /* wstats.noise = none ? */ | |
2271 | /* wstats.qual = none ? */ | |
2272 | wstats.updated = 0x2; | |
2273 | /* Update spy records */ | |
2274 | wireless_spy_update(dev, linksrcaddr, &wstats); | |
2275 | } | |
2276 | #endif /* WIRELESS_SPY */ | |
1da177e4 | 2277 | } /* end rx_data */ |
141fa61f | 2278 | |
1da177e4 LT |
2279 | /*===========================================================================*/ |
2280 | static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len) | |
2281 | { | |
141fa61f JD |
2282 | snaphdr_t *psnap = (snaphdr_t *) (skb->data + RX_MAC_HEADER_LENGTH); |
2283 | struct ieee80211_hdr *pmac = (struct ieee80211_hdr *)skb->data; | |
2284 | __be16 type = *(__be16 *) psnap->ethertype; | |
2285 | int delta; | |
2286 | struct ethhdr *peth; | |
2287 | UCHAR srcaddr[ADDRLEN]; | |
2288 | UCHAR destaddr[ADDRLEN]; | |
ff273b91 JP |
2289 | static const UCHAR org_bridge[3] = { 0, 0, 0xf8 }; |
2290 | static const UCHAR org_1042[3] = { 0, 0, 0 }; | |
1da177e4 | 2291 | |
141fa61f JD |
2292 | memcpy(destaddr, ieee80211_get_DA(pmac), ADDRLEN); |
2293 | memcpy(srcaddr, ieee80211_get_SA(pmac), ADDRLEN); | |
1da177e4 | 2294 | |
624dd669 DB |
2295 | #if 0 |
2296 | if { | |
ad361c98 JP |
2297 | print_hex_dump(KERN_DEBUG, "skb->data before untranslate: ", |
2298 | DUMP_PREFIX_NONE, 16, 1, | |
2299 | skb->data, 64, true); | |
2300 | printk(KERN_DEBUG | |
141fa61f JD |
2301 | "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n", |
2302 | ntohs(type), psnap->dsap, psnap->ssap, psnap->ctrl, | |
2303 | psnap->org[0], psnap->org[1], psnap->org[2]); | |
2304 | printk(KERN_DEBUG "untranslate skb->data = %p\n", skb->data); | |
2305 | } | |
1da177e4 LT |
2306 | #endif |
2307 | ||
141fa61f JD |
2308 | if (psnap->dsap != 0xaa || psnap->ssap != 0xaa || psnap->ctrl != 3) { |
2309 | /* not a snap type so leave it alone */ | |
624dd669 | 2310 | pr_debug("ray_cs untranslate NOT SNAP %02x %02x %02x\n", |
141fa61f JD |
2311 | psnap->dsap, psnap->ssap, psnap->ctrl); |
2312 | ||
2313 | delta = RX_MAC_HEADER_LENGTH - ETH_HLEN; | |
2314 | peth = (struct ethhdr *)(skb->data + delta); | |
2315 | peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH); | |
2316 | } else { /* Its a SNAP */ | |
2317 | if (memcmp(psnap->org, org_bridge, 3) == 0) { | |
2318 | /* EtherII and nuke the LLC */ | |
624dd669 | 2319 | pr_debug("ray_cs untranslate Bridge encap\n"); |
141fa61f JD |
2320 | delta = RX_MAC_HEADER_LENGTH |
2321 | + sizeof(struct snaphdr_t) - ETH_HLEN; | |
2322 | peth = (struct ethhdr *)(skb->data + delta); | |
2323 | peth->h_proto = type; | |
2324 | } else if (memcmp(psnap->org, org_1042, 3) == 0) { | |
2325 | switch (ntohs(type)) { | |
2326 | case ETH_P_IPX: | |
2327 | case ETH_P_AARP: | |
624dd669 | 2328 | pr_debug("ray_cs untranslate RFC IPX/AARP\n"); |
141fa61f JD |
2329 | delta = RX_MAC_HEADER_LENGTH - ETH_HLEN; |
2330 | peth = (struct ethhdr *)(skb->data + delta); | |
2331 | peth->h_proto = | |
2332 | htons(len - RX_MAC_HEADER_LENGTH); | |
2333 | break; | |
2334 | default: | |
624dd669 | 2335 | pr_debug("ray_cs untranslate RFC default\n"); |
141fa61f JD |
2336 | delta = RX_MAC_HEADER_LENGTH + |
2337 | sizeof(struct snaphdr_t) - ETH_HLEN; | |
2338 | peth = (struct ethhdr *)(skb->data + delta); | |
2339 | peth->h_proto = type; | |
2340 | break; | |
2341 | } | |
2342 | } else { | |
2343 | printk("ray_cs untranslate very confused by packet\n"); | |
2344 | delta = RX_MAC_HEADER_LENGTH - ETH_HLEN; | |
2345 | peth = (struct ethhdr *)(skb->data + delta); | |
2346 | peth->h_proto = type; | |
2347 | } | |
7698d697 | 2348 | } |
1da177e4 | 2349 | /* TBD reserve skb_reserve(skb, delta); */ |
141fa61f | 2350 | skb_pull(skb, delta); |
624dd669 | 2351 | pr_debug("untranslate after skb_pull(%d), skb->data = %p\n", delta, |
141fa61f JD |
2352 | skb->data); |
2353 | memcpy(peth->h_dest, destaddr, ADDRLEN); | |
2354 | memcpy(peth->h_source, srcaddr, ADDRLEN); | |
624dd669 DB |
2355 | #if 0 |
2356 | { | |
141fa61f JD |
2357 | int i; |
2358 | printk(KERN_DEBUG "skb->data after untranslate:"); | |
2359 | for (i = 0; i < 64; i++) | |
2360 | printk("%02x ", skb->data[i]); | |
2361 | printk("\n"); | |
2362 | } | |
1da177e4 LT |
2363 | #endif |
2364 | } /* end untranslate */ | |
141fa61f | 2365 | |
1da177e4 LT |
2366 | /*===========================================================================*/ |
2367 | /* Copy data from circular receive buffer to PC memory. | |
2368 | * dest = destination address in PC memory | |
2369 | * pkt_addr = source address in receive buffer | |
2370 | * len = length of packet to copy | |
2371 | */ | |
141fa61f JD |
2372 | static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, |
2373 | int length) | |
2374 | { | |
2375 | int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1); | |
2376 | if (wrap_bytes <= 0) { | |
2377 | memcpy_fromio(dest, local->rmem + pkt_addr, length); | |
2378 | } else { /* Packet wrapped in circular buffer */ | |
2379 | ||
2380 | memcpy_fromio(dest, local->rmem + pkt_addr, | |
2381 | length - wrap_bytes); | |
2382 | memcpy_fromio(dest + length - wrap_bytes, local->rmem, | |
2383 | wrap_bytes); | |
2384 | } | |
2385 | return length; | |
1da177e4 | 2386 | } |
141fa61f | 2387 | |
1da177e4 | 2388 | /*===========================================================================*/ |
141fa61f JD |
2389 | static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs) |
2390 | { | |
2391 | struct rcs __iomem *prcslink = prcs; | |
2392 | int tmp = 17; | |
2393 | unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index); | |
2394 | ||
2395 | while (tmp--) { | |
2396 | writeb(CCS_BUFFER_FREE, &prcslink->buffer_status); | |
2397 | if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) { | |
624dd669 | 2398 | pr_debug("ray_cs interrupt bad rcsindex = 0x%x\n", |
141fa61f JD |
2399 | rcsindex); |
2400 | break; | |
2401 | } | |
2402 | prcslink = rcs_base(local) + rcsindex; | |
2403 | rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index); | |
2404 | } | |
2405 | writeb(CCS_BUFFER_FREE, &prcslink->buffer_status); | |
1da177e4 | 2406 | } |
141fa61f | 2407 | |
1da177e4 LT |
2408 | /*===========================================================================*/ |
2409 | static void authenticate(ray_dev_t *local) | |
2410 | { | |
141fa61f | 2411 | struct pcmcia_device *link = local->finder; |
624dd669 | 2412 | dev_dbg(&link->dev, "ray_cs Starting authentication.\n"); |
141fa61f | 2413 | if (!(pcmcia_dev_present(link))) { |
624dd669 | 2414 | dev_dbg(&link->dev, "ray_cs authenticate - device not present\n"); |
141fa61f JD |
2415 | return; |
2416 | } | |
2417 | ||
2418 | del_timer(&local->timer); | |
2419 | if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) { | |
c061b18d | 2420 | local->timer.function = join_net; |
141fa61f | 2421 | } else { |
c061b18d | 2422 | local->timer.function = authenticate_timeout; |
141fa61f JD |
2423 | } |
2424 | local->timer.expires = jiffies + HZ * 2; | |
2425 | local->timer.data = (long)local; | |
2426 | add_timer(&local->timer); | |
2427 | local->authentication_state = AWAITING_RESPONSE; | |
1da177e4 | 2428 | } /* end authenticate */ |
141fa61f | 2429 | |
1da177e4 LT |
2430 | /*===========================================================================*/ |
2431 | static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs, | |
141fa61f JD |
2432 | unsigned int pkt_addr, int rx_len) |
2433 | { | |
2434 | UCHAR buff[256]; | |
b4c0e72e | 2435 | struct ray_rx_msg *msg = (struct ray_rx_msg *) buff; |
141fa61f JD |
2436 | |
2437 | del_timer(&local->timer); | |
2438 | ||
2439 | copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff); | |
2440 | /* if we are trying to get authenticated */ | |
2441 | if (local->sparm.b4.a_network_type == ADHOC) { | |
624dd669 | 2442 | pr_debug("ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n", |
141fa61f JD |
2443 | msg->var[0], msg->var[1], msg->var[2], msg->var[3], |
2444 | msg->var[4], msg->var[5]); | |
2445 | if (msg->var[2] == 1) { | |
624dd669 | 2446 | pr_debug("ray_cs Sending authentication response.\n"); |
141fa61f JD |
2447 | if (!build_auth_frame |
2448 | (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) { | |
2449 | local->authentication_state = NEED_TO_AUTH; | |
2450 | memcpy(local->auth_id, msg->mac.addr_2, | |
2451 | ADDRLEN); | |
2452 | } | |
2453 | } | |
2454 | } else { /* Infrastructure network */ | |
2455 | ||
2456 | if (local->authentication_state == AWAITING_RESPONSE) { | |
2457 | /* Verify authentication sequence #2 and success */ | |
2458 | if (msg->var[2] == 2) { | |
2459 | if ((msg->var[3] | msg->var[4]) == 0) { | |
624dd669 | 2460 | pr_debug("Authentication successful\n"); |
141fa61f JD |
2461 | local->card_status = CARD_AUTH_COMPLETE; |
2462 | associate(local); | |
2463 | local->authentication_state = | |
2464 | AUTHENTICATED; | |
2465 | } else { | |
624dd669 | 2466 | pr_debug("Authentication refused\n"); |
141fa61f JD |
2467 | local->card_status = CARD_AUTH_REFUSED; |
2468 | join_net((u_long) local); | |
2469 | local->authentication_state = | |
2470 | UNAUTHENTICATED; | |
2471 | } | |
2472 | } | |
2473 | } | |
2474 | } | |
1da177e4 LT |
2475 | |
2476 | } /* end rx_authenticate */ | |
141fa61f | 2477 | |
1da177e4 LT |
2478 | /*===========================================================================*/ |
2479 | static void associate(ray_dev_t *local) | |
2480 | { | |
141fa61f JD |
2481 | struct ccs __iomem *pccs; |
2482 | struct pcmcia_device *link = local->finder; | |
2483 | struct net_device *dev = link->priv; | |
2484 | int ccsindex; | |
2485 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 2486 | dev_dbg(&link->dev, "ray_cs associate - device not present\n"); |
141fa61f JD |
2487 | return; |
2488 | } | |
2489 | /* If no tx buffers available, return */ | |
2490 | if ((ccsindex = get_free_ccs(local)) < 0) { | |
1da177e4 | 2491 | /* TBD should never be here but... what if we are? */ |
624dd669 | 2492 | dev_dbg(&link->dev, "ray_cs associate - No free ccs\n"); |
141fa61f JD |
2493 | return; |
2494 | } | |
624dd669 | 2495 | dev_dbg(&link->dev, "ray_cs Starting association with access point\n"); |
141fa61f JD |
2496 | pccs = ccs_base(local) + ccsindex; |
2497 | /* fill in the CCS */ | |
2498 | writeb(CCS_START_ASSOCIATION, &pccs->cmd); | |
2499 | /* Interrupt the firmware to process the command */ | |
2500 | if (interrupt_ecf(local, ccsindex)) { | |
624dd669 | 2501 | dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n"); |
141fa61f JD |
2502 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); |
2503 | ||
2504 | del_timer(&local->timer); | |
2505 | local->timer.expires = jiffies + HZ * 2; | |
2506 | local->timer.data = (long)local; | |
c061b18d | 2507 | local->timer.function = join_net; |
141fa61f JD |
2508 | add_timer(&local->timer); |
2509 | local->card_status = CARD_ASSOC_FAILED; | |
2510 | return; | |
2511 | } | |
2512 | if (!sniffer) | |
2513 | netif_start_queue(dev); | |
1da177e4 LT |
2514 | |
2515 | } /* end associate */ | |
141fa61f | 2516 | |
1da177e4 | 2517 | /*===========================================================================*/ |
141fa61f JD |
2518 | static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs, |
2519 | unsigned int pkt_addr, int rx_len) | |
1da177e4 LT |
2520 | { |
2521 | /* UCHAR buff[256]; | |
b4c0e72e | 2522 | struct ray_rx_msg *msg = (struct ray_rx_msg *) buff; |
1da177e4 | 2523 | */ |
624dd669 | 2524 | pr_debug("Deauthentication frame received\n"); |
141fa61f JD |
2525 | local->authentication_state = UNAUTHENTICATED; |
2526 | /* Need to reauthenticate or rejoin depending on reason code */ | |
1da177e4 LT |
2527 | /* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff); |
2528 | */ | |
2529 | } | |
141fa61f | 2530 | |
1da177e4 LT |
2531 | /*===========================================================================*/ |
2532 | static void clear_interrupt(ray_dev_t *local) | |
2533 | { | |
141fa61f | 2534 | writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET); |
1da177e4 | 2535 | } |
141fa61f | 2536 | |
1da177e4 LT |
2537 | /*===========================================================================*/ |
2538 | #ifdef CONFIG_PROC_FS | |
2539 | #define MAXDATA (PAGE_SIZE - 80) | |
2540 | ||
b6f45c2c | 2541 | static const char *card_status[] = { |
141fa61f JD |
2542 | "Card inserted - uninitialized", /* 0 */ |
2543 | "Card not downloaded", /* 1 */ | |
2544 | "Waiting for download parameters", /* 2 */ | |
2545 | "Card doing acquisition", /* 3 */ | |
2546 | "Acquisition complete", /* 4 */ | |
2547 | "Authentication complete", /* 5 */ | |
2548 | "Association complete", /* 6 */ | |
2549 | "???", "???", "???", "???", /* 7 8 9 10 undefined */ | |
2550 | "Card init error", /* 11 */ | |
2551 | "Download parameters error", /* 12 */ | |
2552 | "???", /* 13 */ | |
2553 | "Acquisition failed", /* 14 */ | |
2554 | "Authentication refused", /* 15 */ | |
2555 | "Association failed" /* 16 */ | |
1da177e4 LT |
2556 | }; |
2557 | ||
b6f45c2c SH |
2558 | static const char *nettype[] = { "Adhoc", "Infra " }; |
2559 | static const char *framing[] = { "Encapsulation", "Translation" } | |
141fa61f | 2560 | |
1da177e4 LT |
2561 | ; |
2562 | /*===========================================================================*/ | |
6b914c52 | 2563 | static int ray_cs_proc_show(struct seq_file *m, void *v) |
1da177e4 LT |
2564 | { |
2565 | /* Print current values which are not available via other means | |
141fa61f | 2566 | * eg ifconfig |
1da177e4 | 2567 | */ |
141fa61f JD |
2568 | int i; |
2569 | struct pcmcia_device *link; | |
2570 | struct net_device *dev; | |
2571 | ray_dev_t *local; | |
2572 | UCHAR *p; | |
2573 | struct freq_hop_element *pfh; | |
2574 | UCHAR c[33]; | |
2575 | ||
2576 | link = this_device; | |
2577 | if (!link) | |
2578 | return 0; | |
2579 | dev = (struct net_device *)link->priv; | |
2580 | if (!dev) | |
2581 | return 0; | |
2582 | local = netdev_priv(dev); | |
2583 | if (!local) | |
2584 | return 0; | |
2585 | ||
2586 | seq_puts(m, "Raylink Wireless LAN driver status\n"); | |
2587 | seq_printf(m, "%s\n", rcsid); | |
2588 | /* build 4 does not report version, and field is 0x55 after memtest */ | |
2589 | seq_puts(m, "Firmware version = "); | |
2590 | if (local->fw_ver == 0x55) | |
2591 | seq_puts(m, "4 - Use dump_cis for more details\n"); | |
2592 | else | |
2593 | seq_printf(m, "%2d.%02d.%02d\n", | |
2594 | local->fw_ver, local->fw_bld, local->fw_var); | |
2595 | ||
2596 | for (i = 0; i < 32; i++) | |
2597 | c[i] = local->sparm.b5.a_current_ess_id[i]; | |
2598 | c[32] = 0; | |
2599 | seq_printf(m, "%s network ESSID = \"%s\"\n", | |
2600 | nettype[local->sparm.b5.a_network_type], c); | |
2601 | ||
2602 | p = local->bss_id; | |
2603 | seq_printf(m, "BSSID = %pM\n", p); | |
2604 | ||
2605 | seq_printf(m, "Country code = %d\n", | |
2606 | local->sparm.b5.a_curr_country_code); | |
2607 | ||
2608 | i = local->card_status; | |
2609 | if (i < 0) | |
2610 | i = 10; | |
2611 | if (i > 16) | |
2612 | i = 10; | |
2613 | seq_printf(m, "Card status = %s\n", card_status[i]); | |
2614 | ||
2615 | seq_printf(m, "Framing mode = %s\n", framing[translate]); | |
2616 | ||
2617 | seq_printf(m, "Last pkt signal lvl = %d\n", local->last_rsl); | |
2618 | ||
2619 | if (local->beacon_rxed) { | |
2620 | /* Pull some fields out of last beacon received */ | |
2621 | seq_printf(m, "Beacon Interval = %d Kus\n", | |
2622 | local->last_bcn.beacon_intvl[0] | |
2623 | + 256 * local->last_bcn.beacon_intvl[1]); | |
2624 | ||
2625 | p = local->last_bcn.elements; | |
2626 | if (p[0] == C_ESSID_ELEMENT_ID) | |
2627 | p += p[1] + 2; | |
2628 | else { | |
2629 | seq_printf(m, | |
2630 | "Parse beacon failed at essid element id = %d\n", | |
2631 | p[0]); | |
2632 | return 0; | |
2633 | } | |
2634 | ||
2635 | if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) { | |
2636 | seq_puts(m, "Supported rate codes = "); | |
2637 | for (i = 2; i < p[1] + 2; i++) | |
2638 | seq_printf(m, "0x%02x ", p[i]); | |
2639 | seq_putc(m, '\n'); | |
2640 | p += p[1] + 2; | |
2641 | } else { | |
2642 | seq_puts(m, "Parse beacon failed at rates element\n"); | |
2643 | return 0; | |
2644 | } | |
2645 | ||
2646 | if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) { | |
2647 | pfh = (struct freq_hop_element *)p; | |
2648 | seq_printf(m, "Hop dwell = %d Kus\n", | |
2649 | pfh->dwell_time[0] + | |
2650 | 256 * pfh->dwell_time[1]); | |
cb01b09c | 2651 | seq_printf(m, "Hop set = %d\n", |
141fa61f | 2652 | pfh->hop_set); |
cb01b09c | 2653 | seq_printf(m, "Hop pattern = %d\n", |
141fa61f | 2654 | pfh->hop_pattern); |
cb01b09c | 2655 | seq_printf(m, "Hop index = %d\n", |
141fa61f JD |
2656 | pfh->hop_index); |
2657 | p += p[1] + 2; | |
2658 | } else { | |
2659 | seq_puts(m, | |
2660 | "Parse beacon failed at FH param element\n"); | |
2661 | return 0; | |
2662 | } | |
2663 | } else { | |
2664 | seq_puts(m, "No beacons received\n"); | |
1da177e4 | 2665 | } |
141fa61f | 2666 | return 0; |
1da177e4 LT |
2667 | } |
2668 | ||
6b914c52 AD |
2669 | static int ray_cs_proc_open(struct inode *inode, struct file *file) |
2670 | { | |
2671 | return single_open(file, ray_cs_proc_show, NULL); | |
2672 | } | |
2673 | ||
2674 | static const struct file_operations ray_cs_proc_fops = { | |
141fa61f JD |
2675 | .owner = THIS_MODULE, |
2676 | .open = ray_cs_proc_open, | |
2677 | .read = seq_read, | |
2678 | .llseek = seq_lseek, | |
2679 | .release = single_release, | |
6b914c52 | 2680 | }; |
1da177e4 LT |
2681 | #endif |
2682 | /*===========================================================================*/ | |
2683 | static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type) | |
2684 | { | |
141fa61f JD |
2685 | int addr; |
2686 | struct ccs __iomem *pccs; | |
2687 | struct tx_msg __iomem *ptx; | |
2688 | int ccsindex; | |
2689 | ||
2690 | /* If no tx buffers available, return */ | |
2691 | if ((ccsindex = get_free_tx_ccs(local)) < 0) { | |
624dd669 | 2692 | pr_debug("ray_cs send authenticate - No free tx ccs\n"); |
141fa61f JD |
2693 | return -1; |
2694 | } | |
2695 | ||
2696 | pccs = ccs_base(local) + ccsindex; | |
2697 | ||
2698 | /* Address in card space */ | |
2699 | addr = TX_BUF_BASE + (ccsindex << 11); | |
2700 | /* fill in the CCS */ | |
2701 | writeb(CCS_TX_REQUEST, &pccs->cmd); | |
2702 | writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr); | |
2703 | writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1); | |
2704 | writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length); | |
2705 | writeb(TX_AUTHENTICATE_LENGTH_LSB, | |
2706 | pccs->var.tx_request.tx_data_length + 1); | |
2707 | writeb(0, &pccs->var.tx_request.pow_sav_mode); | |
2708 | ||
2709 | ptx = local->sram + addr; | |
2710 | /* fill in the mac header */ | |
2711 | writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1); | |
2712 | writeb(0, &ptx->mac.frame_ctl_2); | |
2713 | ||
2714 | memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN); | |
2715 | memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN); | |
2716 | memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN); | |
2717 | ||
2718 | /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */ | |
2719 | memset_io(ptx->var, 0, 6); | |
2720 | writeb(auth_type & 0xff, ptx->var + 2); | |
2721 | ||
2722 | /* Interrupt the firmware to process the command */ | |
2723 | if (interrupt_ecf(local, ccsindex)) { | |
624dd669 | 2724 | pr_debug( |
141fa61f JD |
2725 | "ray_cs send authentication request failed - ECF not ready for intr\n"); |
2726 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); | |
2727 | return -1; | |
2728 | } | |
2729 | return 0; | |
1da177e4 LT |
2730 | } /* End build_auth_frame */ |
2731 | ||
2732 | /*===========================================================================*/ | |
2733 | #ifdef CONFIG_PROC_FS | |
83daee06 AD |
2734 | static ssize_t ray_cs_essid_proc_write(struct file *file, |
2735 | const char __user *buffer, size_t count, loff_t *pos) | |
1da177e4 LT |
2736 | { |
2737 | static char proc_essid[33]; | |
575c9ed7 | 2738 | unsigned int len = count; |
1da177e4 LT |
2739 | |
2740 | if (len > 32) | |
2741 | len = 32; | |
2742 | memset(proc_essid, 0, 33); | |
2743 | if (copy_from_user(proc_essid, buffer, len)) | |
2744 | return -EFAULT; | |
2745 | essid = proc_essid; | |
2746 | return count; | |
2747 | } | |
2748 | ||
83daee06 AD |
2749 | static const struct file_operations ray_cs_essid_proc_fops = { |
2750 | .owner = THIS_MODULE, | |
2751 | .write = ray_cs_essid_proc_write, | |
6038f373 | 2752 | .llseek = noop_llseek, |
83daee06 AD |
2753 | }; |
2754 | ||
2755 | static ssize_t int_proc_write(struct file *file, const char __user *buffer, | |
2756 | size_t count, loff_t *pos) | |
1da177e4 LT |
2757 | { |
2758 | static char proc_number[10]; | |
2759 | char *p; | |
2760 | int nr, len; | |
2761 | ||
2762 | if (!count) | |
2763 | return 0; | |
2764 | ||
2765 | if (count > 9) | |
2766 | return -EINVAL; | |
2767 | if (copy_from_user(proc_number, buffer, count)) | |
2768 | return -EFAULT; | |
2769 | p = proc_number; | |
2770 | nr = 0; | |
2771 | len = count; | |
2772 | do { | |
2773 | unsigned int c = *p - '0'; | |
2774 | if (c > 9) | |
2775 | return -EINVAL; | |
141fa61f | 2776 | nr = nr * 10 + c; |
1da177e4 LT |
2777 | p++; |
2778 | } while (--len); | |
d9dda78b | 2779 | *(int *)PDE_DATA(file_inode(file)) = nr; |
1da177e4 LT |
2780 | return count; |
2781 | } | |
83daee06 AD |
2782 | |
2783 | static const struct file_operations int_proc_fops = { | |
2784 | .owner = THIS_MODULE, | |
2785 | .write = int_proc_write, | |
6038f373 | 2786 | .llseek = noop_llseek, |
83daee06 | 2787 | }; |
1da177e4 LT |
2788 | #endif |
2789 | ||
25f8f54f | 2790 | static const struct pcmcia_device_id ray_ids[] = { |
f57ea2a2 DB |
2791 | PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000), |
2792 | PCMCIA_DEVICE_NULL, | |
2793 | }; | |
141fa61f | 2794 | |
f57ea2a2 DB |
2795 | MODULE_DEVICE_TABLE(pcmcia, ray_ids); |
2796 | ||
1da177e4 | 2797 | static struct pcmcia_driver ray_driver = { |
141fa61f | 2798 | .owner = THIS_MODULE, |
2e9b981a | 2799 | .name = "ray_cs", |
141fa61f JD |
2800 | .probe = ray_probe, |
2801 | .remove = ray_detach, | |
2802 | .id_table = ray_ids, | |
2803 | .suspend = ray_suspend, | |
2804 | .resume = ray_resume, | |
1da177e4 LT |
2805 | }; |
2806 | ||
2807 | static int __init init_ray_cs(void) | |
2808 | { | |
141fa61f JD |
2809 | int rc; |
2810 | ||
624dd669 | 2811 | pr_debug("%s\n", rcsid); |
141fa61f | 2812 | rc = pcmcia_register_driver(&ray_driver); |
624dd669 | 2813 | pr_debug("raylink init_module register_pcmcia_driver returns 0x%x\n", |
141fa61f | 2814 | rc); |
1da177e4 LT |
2815 | |
2816 | #ifdef CONFIG_PROC_FS | |
141fa61f | 2817 | proc_mkdir("driver/ray_cs", NULL); |
1da177e4 | 2818 | |
141fa61f | 2819 | proc_create("driver/ray_cs/ray_cs", 0, NULL, &ray_cs_proc_fops); |
83daee06 AD |
2820 | proc_create("driver/ray_cs/essid", S_IWUSR, NULL, &ray_cs_essid_proc_fops); |
2821 | proc_create_data("driver/ray_cs/net_type", S_IWUSR, NULL, &int_proc_fops, &net_type); | |
2822 | proc_create_data("driver/ray_cs/translate", S_IWUSR, NULL, &int_proc_fops, &translate); | |
1da177e4 | 2823 | #endif |
141fa61f JD |
2824 | if (translate != 0) |
2825 | translate = 1; | |
2826 | return 0; | |
1da177e4 LT |
2827 | } /* init_ray_cs */ |
2828 | ||
2829 | /*===========================================================================*/ | |
2830 | ||
2831 | static void __exit exit_ray_cs(void) | |
2832 | { | |
624dd669 | 2833 | pr_debug("ray_cs: cleanup_module\n"); |
1da177e4 LT |
2834 | |
2835 | #ifdef CONFIG_PROC_FS | |
141fa61f JD |
2836 | remove_proc_entry("driver/ray_cs/ray_cs", NULL); |
2837 | remove_proc_entry("driver/ray_cs/essid", NULL); | |
2838 | remove_proc_entry("driver/ray_cs/net_type", NULL); | |
2839 | remove_proc_entry("driver/ray_cs/translate", NULL); | |
2840 | remove_proc_entry("driver/ray_cs", NULL); | |
1da177e4 LT |
2841 | #endif |
2842 | ||
141fa61f | 2843 | pcmcia_unregister_driver(&ray_driver); |
1da177e4 LT |
2844 | } /* exit_ray_cs */ |
2845 | ||
2846 | module_init(init_ray_cs); | |
2847 | module_exit(exit_ray_cs); | |
2848 | ||
2849 | /*===========================================================================*/ |