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1da177e4 LT |
1 | /*============================================================================= |
2 | * | |
3 | * A PCMCIA client driver for the Raylink wireless LAN card. | |
4 | * The starting point for this module was the skeleton.c in the | |
5 | * PCMCIA 2.9.12 package written by David Hinds, dahinds@users.sourceforge.net | |
6 | * | |
7 | * | |
8 | * Copyright (c) 1998 Corey Thomas (corey@world.std.com) | |
9 | * | |
10 | * This driver is free software; you can redistribute it and/or modify | |
141fa61f | 11 | * it under the terms of version 2 only of the GNU General Public License as |
1da177e4 LT |
12 | * published by the Free Software Foundation. |
13 | * | |
14 | * It is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA | |
22 | * | |
23 | * Changes: | |
24 | * Arnaldo Carvalho de Melo <acme@conectiva.com.br> - 08/08/2000 | |
25 | * - reorganize kmallocs in ray_attach, checking all for failure | |
26 | * and releasing the previous allocations if one fails | |
27 | * | |
28 | * Daniele Bellucci <bellucda@tiscali.it> - 07/10/2003 | |
29 | * - Audit copy_to_user in ioctl(SIOCGIWESSID) | |
141fa61f | 30 | * |
1da177e4 LT |
31 | =============================================================================*/ |
32 | ||
1da177e4 LT |
33 | #include <linux/module.h> |
34 | #include <linux/kernel.h> | |
35 | #include <linux/proc_fs.h> | |
36 | #include <linux/ptrace.h> | |
6b914c52 | 37 | #include <linux/seq_file.h> |
1da177e4 LT |
38 | #include <linux/string.h> |
39 | #include <linux/timer.h> | |
40 | #include <linux/init.h> | |
41 | #include <linux/netdevice.h> | |
42 | #include <linux/etherdevice.h> | |
43 | #include <linux/if_arp.h> | |
44 | #include <linux/ioport.h> | |
45 | #include <linux/skbuff.h> | |
46 | #include <linux/ethtool.h> | |
7698d697 | 47 | #include <linux/ieee80211.h> |
1da177e4 | 48 | |
1da177e4 LT |
49 | #include <pcmcia/cs.h> |
50 | #include <pcmcia/cistpl.h> | |
51 | #include <pcmcia/cisreg.h> | |
52 | #include <pcmcia/ds.h> | |
1da177e4 LT |
53 | |
54 | #include <linux/wireless.h> | |
113b898e | 55 | #include <net/iw_handler.h> |
1da177e4 LT |
56 | |
57 | #include <asm/io.h> | |
58 | #include <asm/system.h> | |
59 | #include <asm/byteorder.h> | |
60 | #include <asm/uaccess.h> | |
61 | ||
62 | /* Warning : these stuff will slow down the driver... */ | |
63 | #define WIRELESS_SPY /* Enable spying addresses */ | |
64 | /* Definitions we need for spy */ | |
141fa61f JD |
65 | typedef struct iw_statistics iw_stats; |
66 | typedef u_char mac_addr[ETH_ALEN]; /* Hardware address */ | |
1da177e4 LT |
67 | |
68 | #include "rayctl.h" | |
69 | #include "ray_cs.h" | |
70 | ||
1da177e4 | 71 | |
1da177e4 | 72 | /** Prototypes based on PCMCIA skeleton driver *******************************/ |
15b99ac1 | 73 | static int ray_config(struct pcmcia_device *link); |
fba395ee | 74 | static void ray_release(struct pcmcia_device *link); |
cc3b4866 | 75 | static void ray_detach(struct pcmcia_device *p_dev); |
1da177e4 LT |
76 | |
77 | /***** Prototypes indicated by device structure ******************************/ | |
78 | static int ray_dev_close(struct net_device *dev); | |
79 | static int ray_dev_config(struct net_device *dev, struct ifmap *map); | |
80 | static struct net_device_stats *ray_get_stats(struct net_device *dev); | |
81 | static int ray_dev_init(struct net_device *dev); | |
1da177e4 | 82 | |
7282d491 | 83 | static const struct ethtool_ops netdev_ethtool_ops; |
1da177e4 LT |
84 | |
85 | static int ray_open(struct net_device *dev); | |
d0cf9c0d SH |
86 | static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb, |
87 | struct net_device *dev); | |
1da177e4 LT |
88 | static void set_multicast_list(struct net_device *dev); |
89 | static void ray_update_multi_list(struct net_device *dev, int all); | |
90 | static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx, | |
141fa61f JD |
91 | unsigned char *data, int len); |
92 | static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx, | |
93 | UCHAR msg_type, unsigned char *data); | |
1da177e4 | 94 | static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len); |
141fa61f JD |
95 | static iw_stats *ray_get_wireless_stats(struct net_device *dev); |
96 | static const struct iw_handler_def ray_handler_def; | |
1da177e4 LT |
97 | |
98 | /***** Prototypes for raylink functions **************************************/ | |
1da177e4 LT |
99 | static void authenticate(ray_dev_t *local); |
100 | static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type); | |
101 | static void authenticate_timeout(u_long); | |
102 | static int get_free_ccs(ray_dev_t *local); | |
103 | static int get_free_tx_ccs(ray_dev_t *local); | |
104 | static void init_startup_params(ray_dev_t *local); | |
105 | static int parse_addr(char *in_str, UCHAR *out); | |
141fa61f | 106 | static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev, UCHAR type); |
1da177e4 LT |
107 | static int ray_init(struct net_device *dev); |
108 | static int interrupt_ecf(ray_dev_t *local, int ccs); | |
109 | static void ray_reset(struct net_device *dev); | |
110 | static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len); | |
111 | static void verify_dl_startup(u_long); | |
112 | ||
113 | /* Prototypes for interrpt time functions **********************************/ | |
141fa61f | 114 | static irqreturn_t ray_interrupt(int reg, void *dev_id); |
1da177e4 | 115 | static void clear_interrupt(ray_dev_t *local); |
141fa61f JD |
116 | static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs, |
117 | unsigned int pkt_addr, int rx_len); | |
1da177e4 LT |
118 | static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int len); |
119 | static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs); | |
120 | static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs); | |
121 | static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs, | |
141fa61f JD |
122 | unsigned int pkt_addr, int rx_len); |
123 | static void rx_data(struct net_device *dev, struct rcs __iomem *prcs, | |
124 | unsigned int pkt_addr, int rx_len); | |
1da177e4 LT |
125 | static void associate(ray_dev_t *local); |
126 | ||
127 | /* Card command functions */ | |
128 | static int dl_startup_params(struct net_device *dev); | |
129 | static void join_net(u_long local); | |
130 | static void start_net(u_long local); | |
131 | /* void start_net(ray_dev_t *local); */ | |
132 | ||
133 | /*===========================================================================*/ | |
134 | /* Parameters that can be set with 'insmod' */ | |
135 | ||
136 | /* ADHOC=0, Infrastructure=1 */ | |
137 | static int net_type = ADHOC; | |
138 | ||
139 | /* Hop dwell time in Kus (1024 us units defined by 802.11) */ | |
140 | static int hop_dwell = 128; | |
141 | ||
142 | /* Beacon period in Kus */ | |
143 | static int beacon_period = 256; | |
144 | ||
145 | /* power save mode (0 = off, 1 = save power) */ | |
146 | static int psm; | |
147 | ||
148 | /* String for network's Extended Service Set ID. 32 Characters max */ | |
149 | static char *essid; | |
150 | ||
151 | /* Default to encapsulation unless translation requested */ | |
152 | static int translate = 1; | |
153 | ||
154 | static int country = USA; | |
155 | ||
156 | static int sniffer; | |
157 | ||
158 | static int bc; | |
159 | ||
160 | /* 48 bit physical card address if overriding card's real physical | |
161 | * address is required. Since IEEE 802.11 addresses are 48 bits | |
162 | * like ethernet, an int can't be used, so a string is used. To | |
163 | * allow use of addresses starting with a decimal digit, the first | |
164 | * character must be a letter and will be ignored. This letter is | |
165 | * followed by up to 12 hex digits which are the address. If less | |
166 | * than 12 digits are used, the address will be left filled with 0's. | |
167 | * Note that bit 0 of the first byte is the broadcast bit, and evil | |
168 | * things will happen if it is not 0 in a card address. | |
169 | */ | |
170 | static char *phy_addr = NULL; | |
171 | ||
172 | ||
fba395ee | 173 | /* A struct pcmcia_device structure has fields for most things that are needed |
1da177e4 LT |
174 | to keep track of a socket, but there will usually be some device |
175 | specific information that also needs to be kept track of. The | |
fba395ee | 176 | 'priv' pointer in a struct pcmcia_device structure can be used to point to |
1da177e4 LT |
177 | a device-specific private data structure, like this. |
178 | */ | |
179 | static unsigned int ray_mem_speed = 500; | |
180 | ||
fd238232 DB |
181 | /* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */ |
182 | static struct pcmcia_device *this_device = NULL; | |
183 | ||
1da177e4 LT |
184 | MODULE_AUTHOR("Corey Thomas <corey@world.std.com>"); |
185 | MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver"); | |
186 | MODULE_LICENSE("GPL"); | |
187 | ||
188 | module_param(net_type, int, 0); | |
189 | module_param(hop_dwell, int, 0); | |
190 | module_param(beacon_period, int, 0); | |
191 | module_param(psm, int, 0); | |
192 | module_param(essid, charp, 0); | |
193 | module_param(translate, int, 0); | |
194 | module_param(country, int, 0); | |
195 | module_param(sniffer, int, 0); | |
196 | module_param(bc, int, 0); | |
197 | module_param(phy_addr, charp, 0); | |
198 | module_param(ray_mem_speed, int, 0); | |
199 | ||
200 | static UCHAR b5_default_startup_parms[] = { | |
141fa61f JD |
201 | 0, 0, /* Adhoc station */ |
202 | 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */ | |
203 | 0, 0, 0, 0, 0, 0, 0, 0, | |
204 | 0, 0, 0, 0, 0, 0, 0, 0, | |
205 | 0, 0, 0, 0, 0, 0, 0, 0, | |
206 | 1, 0, /* Active scan, CA Mode */ | |
207 | 0, 0, 0, 0, 0, 0, /* No default MAC addr */ | |
208 | 0x7f, 0xff, /* Frag threshold */ | |
209 | 0x00, 0x80, /* Hop time 128 Kus */ | |
210 | 0x01, 0x00, /* Beacon period 256 Kus */ | |
211 | 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */ | |
212 | 0x1d, 0x82, 0x4e, /* SIFS, DIFS, PIFS */ | |
213 | 0x7f, 0xff, /* RTS threshold */ | |
214 | 0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */ | |
215 | 0x05, /* assoc resp timeout thresh */ | |
216 | 0x08, 0x02, 0x08, /* adhoc, infra, super cycle max */ | |
217 | 0, /* Promiscuous mode */ | |
218 | 0x0c, 0x0bd, /* Unique word */ | |
219 | 0x32, /* Slot time */ | |
220 | 0xff, 0xff, /* roam-low snr, low snr count */ | |
221 | 0x05, 0xff, /* Infra, adhoc missed bcn thresh */ | |
222 | 0x01, 0x0b, 0x4f, /* USA, hop pattern, hop pat length */ | |
1da177e4 | 223 | /* b4 - b5 differences start here */ |
141fa61f JD |
224 | 0x00, 0x3f, /* CW max */ |
225 | 0x00, 0x0f, /* CW min */ | |
226 | 0x04, 0x08, /* Noise gain, limit offset */ | |
227 | 0x28, 0x28, /* det rssi, med busy offsets */ | |
228 | 7, /* det sync thresh */ | |
229 | 0, 2, 2, /* test mode, min, max */ | |
230 | 0, /* allow broadcast SSID probe resp */ | |
231 | 0, 0, /* privacy must start, can join */ | |
232 | 2, 0, 0, 0, 0, 0, 0, 0 /* basic rate set */ | |
1da177e4 LT |
233 | }; |
234 | ||
235 | static UCHAR b4_default_startup_parms[] = { | |
141fa61f JD |
236 | 0, 0, /* Adhoc station */ |
237 | 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */ | |
238 | 0, 0, 0, 0, 0, 0, 0, 0, | |
239 | 0, 0, 0, 0, 0, 0, 0, 0, | |
240 | 0, 0, 0, 0, 0, 0, 0, 0, | |
241 | 1, 0, /* Active scan, CA Mode */ | |
242 | 0, 0, 0, 0, 0, 0, /* No default MAC addr */ | |
243 | 0x7f, 0xff, /* Frag threshold */ | |
244 | 0x02, 0x00, /* Hop time */ | |
245 | 0x00, 0x01, /* Beacon period */ | |
246 | 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */ | |
247 | 0x1d, 0x82, 0xce, /* SIFS, DIFS, PIFS */ | |
248 | 0x7f, 0xff, /* RTS threshold */ | |
249 | 0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */ | |
250 | 0x05, /* assoc resp timeout thresh */ | |
251 | 0x04, 0x02, 0x4, /* adhoc, infra, super cycle max */ | |
252 | 0, /* Promiscuous mode */ | |
253 | 0x0c, 0x0bd, /* Unique word */ | |
254 | 0x4e, /* Slot time (TBD seems wrong) */ | |
255 | 0xff, 0xff, /* roam-low snr, low snr count */ | |
256 | 0x05, 0xff, /* Infra, adhoc missed bcn thresh */ | |
257 | 0x01, 0x0b, 0x4e, /* USA, hop pattern, hop pat length */ | |
1da177e4 | 258 | /* b4 - b5 differences start here */ |
141fa61f JD |
259 | 0x3f, 0x0f, /* CW max, min */ |
260 | 0x04, 0x08, /* Noise gain, limit offset */ | |
261 | 0x28, 0x28, /* det rssi, med busy offsets */ | |
262 | 7, /* det sync thresh */ | |
263 | 0, 2, 2 /* test mode, min, max */ | |
1da177e4 | 264 | }; |
141fa61f | 265 | |
1da177e4 | 266 | /*===========================================================================*/ |
141fa61f | 267 | static unsigned char eth2_llc[] = { 0xaa, 0xaa, 3, 0, 0, 0 }; |
1da177e4 LT |
268 | |
269 | static char hop_pattern_length[] = { 1, | |
141fa61f JD |
270 | USA_HOP_MOD, EUROPE_HOP_MOD, |
271 | JAPAN_HOP_MOD, KOREA_HOP_MOD, | |
272 | SPAIN_HOP_MOD, FRANCE_HOP_MOD, | |
273 | ISRAEL_HOP_MOD, AUSTRALIA_HOP_MOD, | |
274 | JAPAN_TEST_HOP_MOD | |
1da177e4 LT |
275 | }; |
276 | ||
141fa61f JD |
277 | static char rcsid[] = |
278 | "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>"; | |
1da177e4 | 279 | |
32f5a330 SH |
280 | static const struct net_device_ops ray_netdev_ops = { |
281 | .ndo_init = ray_dev_init, | |
282 | .ndo_open = ray_open, | |
283 | .ndo_stop = ray_dev_close, | |
284 | .ndo_start_xmit = ray_dev_start_xmit, | |
285 | .ndo_set_config = ray_dev_config, | |
286 | .ndo_get_stats = ray_get_stats, | |
287 | .ndo_set_multicast_list = set_multicast_list, | |
288 | .ndo_change_mtu = eth_change_mtu, | |
289 | .ndo_set_mac_address = eth_mac_addr, | |
290 | .ndo_validate_addr = eth_validate_addr, | |
291 | }; | |
292 | ||
1da177e4 LT |
293 | /*============================================================================= |
294 | ray_attach() creates an "instance" of the driver, allocating | |
295 | local data structures for one device. The device is registered | |
296 | with Card Services. | |
297 | The dev_link structure is initialized, but we don't actually | |
298 | configure the card at this point -- we wait until we receive a | |
299 | card insertion event. | |
300 | =============================================================================*/ | |
15b99ac1 | 301 | static int ray_probe(struct pcmcia_device *p_dev) |
1da177e4 | 302 | { |
141fa61f JD |
303 | ray_dev_t *local; |
304 | struct net_device *dev; | |
305 | ||
624dd669 | 306 | dev_dbg(&p_dev->dev, "ray_attach()\n"); |
141fa61f JD |
307 | |
308 | /* Allocate space for private device-specific data */ | |
309 | dev = alloc_etherdev(sizeof(ray_dev_t)); | |
310 | if (!dev) | |
311 | goto fail_alloc_dev; | |
312 | ||
313 | local = netdev_priv(dev); | |
314 | local->finder = p_dev; | |
315 | ||
316 | /* The io structure describes IO port mapping. None used here */ | |
90abdc3b DB |
317 | p_dev->resource[0]->end = 0; |
318 | p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8; | |
141fa61f | 319 | |
141fa61f JD |
320 | /* General socket configuration */ |
321 | p_dev->conf.Attributes = CONF_ENABLE_IRQ; | |
7feabb64 | 322 | p_dev->config_index = 1; |
141fa61f JD |
323 | |
324 | p_dev->priv = dev; | |
141fa61f JD |
325 | |
326 | local->finder = p_dev; | |
327 | local->card_status = CARD_INSERTED; | |
328 | local->authentication_state = UNAUTHENTICATED; | |
329 | local->num_multi = 0; | |
624dd669 | 330 | dev_dbg(&p_dev->dev, "ray_attach p_dev = %p, dev = %p, local = %p, intr = %p\n", |
141fa61f JD |
331 | p_dev, dev, local, &ray_interrupt); |
332 | ||
333 | /* Raylink entries in the device structure */ | |
32f5a330 | 334 | dev->netdev_ops = &ray_netdev_ops; |
141fa61f JD |
335 | SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); |
336 | dev->wireless_handlers = &ray_handler_def; | |
3d5d5ac0 | 337 | #ifdef WIRELESS_SPY |
141fa61f JD |
338 | local->wireless_data.spy_data = &local->spy_data; |
339 | dev->wireless_data = &local->wireless_data; | |
340 | #endif /* WIRELESS_SPY */ | |
1da177e4 | 341 | |
1da177e4 | 342 | |
624dd669 | 343 | dev_dbg(&p_dev->dev, "ray_cs ray_attach calling ether_setup.)\n"); |
141fa61f | 344 | netif_stop_queue(dev); |
1da177e4 | 345 | |
141fa61f | 346 | init_timer(&local->timer); |
1da177e4 | 347 | |
141fa61f JD |
348 | this_device = p_dev; |
349 | return ray_config(p_dev); | |
1da177e4 LT |
350 | |
351 | fail_alloc_dev: | |
141fa61f | 352 | return -ENOMEM; |
1da177e4 | 353 | } /* ray_attach */ |
141fa61f | 354 | |
1da177e4 LT |
355 | /*============================================================================= |
356 | This deletes a driver "instance". The device is de-registered | |
357 | with Card Services. If it has been released, all local data | |
358 | structures are freed. Otherwise, the structures will be freed | |
359 | when the device is released. | |
360 | =============================================================================*/ | |
fba395ee | 361 | static void ray_detach(struct pcmcia_device *link) |
1da177e4 | 362 | { |
141fa61f JD |
363 | struct net_device *dev; |
364 | ray_dev_t *local; | |
1da177e4 | 365 | |
624dd669 | 366 | dev_dbg(&link->dev, "ray_detach\n"); |
1da177e4 | 367 | |
141fa61f JD |
368 | this_device = NULL; |
369 | dev = link->priv; | |
cc3b4866 | 370 | |
141fa61f | 371 | ray_release(link); |
cc3b4866 | 372 | |
141fa61f JD |
373 | local = netdev_priv(dev); |
374 | del_timer(&local->timer); | |
1da177e4 | 375 | |
141fa61f | 376 | if (link->priv) { |
c7c2fa07 | 377 | unregister_netdev(dev); |
141fa61f JD |
378 | free_netdev(dev); |
379 | } | |
624dd669 | 380 | dev_dbg(&link->dev, "ray_cs ray_detach ending\n"); |
1da177e4 | 381 | } /* ray_detach */ |
141fa61f | 382 | |
1da177e4 LT |
383 | /*============================================================================= |
384 | ray_config() is run after a CARD_INSERTION event | |
385 | is received, to configure the PCMCIA socket, and to make the | |
386 | ethernet device available to the system. | |
387 | =============================================================================*/ | |
1da177e4 | 388 | #define MAX_TUPLE_SIZE 128 |
15b99ac1 | 389 | static int ray_config(struct pcmcia_device *link) |
1da177e4 | 390 | { |
624dd669 | 391 | int ret = 0; |
141fa61f | 392 | int i; |
141fa61f JD |
393 | struct net_device *dev = (struct net_device *)link->priv; |
394 | ray_dev_t *local = netdev_priv(dev); | |
395 | ||
624dd669 | 396 | dev_dbg(&link->dev, "ray_config\n"); |
141fa61f JD |
397 | |
398 | /* Determine card type and firmware version */ | |
399 | printk(KERN_INFO "ray_cs Detected: %s%s%s%s\n", | |
400 | link->prod_id[0] ? link->prod_id[0] : " ", | |
401 | link->prod_id[1] ? link->prod_id[1] : " ", | |
402 | link->prod_id[2] ? link->prod_id[2] : " ", | |
403 | link->prod_id[3] ? link->prod_id[3] : " "); | |
404 | ||
405 | /* Now allocate an interrupt line. Note that this does not | |
406 | actually assign a handler to the interrupt. | |
407 | */ | |
eb14120f | 408 | ret = pcmcia_request_irq(link, ray_interrupt); |
624dd669 DB |
409 | if (ret) |
410 | goto failed; | |
eb14120f | 411 | dev->irq = link->irq; |
141fa61f JD |
412 | |
413 | /* This actually configures the PCMCIA socket -- setting up | |
414 | the I/O windows and the interrupt mapping. | |
415 | */ | |
624dd669 DB |
416 | ret = pcmcia_request_configuration(link, &link->conf); |
417 | if (ret) | |
418 | goto failed; | |
1da177e4 LT |
419 | |
420 | /*** Set up 32k window for shared memory (transmit and control) ************/ | |
cdb13808 DB |
421 | link->resource[2]->flags |= WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT; |
422 | link->resource[2]->start = 0; | |
423 | link->resource[2]->end = 0x8000; | |
424 | ret = pcmcia_request_window(link, link->resource[2], ray_mem_speed); | |
624dd669 DB |
425 | if (ret) |
426 | goto failed; | |
cdb13808 | 427 | ret = pcmcia_map_mem_page(link, link->resource[2], 0); |
624dd669 DB |
428 | if (ret) |
429 | goto failed; | |
cdb13808 DB |
430 | local->sram = ioremap(link->resource[2]->start, |
431 | resource_size(link->resource[2])); | |
1da177e4 LT |
432 | |
433 | /*** Set up 16k window for shared memory (receive buffer) ***************/ | |
cdb13808 | 434 | link->resource[3]->flags |= |
141fa61f | 435 | WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT; |
cdb13808 DB |
436 | link->resource[3]->start = 0; |
437 | link->resource[3]->end = 0x4000; | |
438 | ret = pcmcia_request_window(link, link->resource[3], ray_mem_speed); | |
624dd669 DB |
439 | if (ret) |
440 | goto failed; | |
cdb13808 | 441 | ret = pcmcia_map_mem_page(link, link->resource[3], 0x8000); |
624dd669 DB |
442 | if (ret) |
443 | goto failed; | |
cdb13808 DB |
444 | local->rmem = ioremap(link->resource[3]->start, |
445 | resource_size(link->resource[3])); | |
1da177e4 LT |
446 | |
447 | /*** Set up window for attribute memory ***********************************/ | |
cdb13808 | 448 | link->resource[4]->flags |= |
141fa61f | 449 | WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT; |
cdb13808 DB |
450 | link->resource[4]->start = 0; |
451 | link->resource[4]->end = 0x1000; | |
452 | ret = pcmcia_request_window(link, link->resource[4], ray_mem_speed); | |
624dd669 DB |
453 | if (ret) |
454 | goto failed; | |
cdb13808 | 455 | ret = pcmcia_map_mem_page(link, link->resource[4], 0); |
624dd669 DB |
456 | if (ret) |
457 | goto failed; | |
cdb13808 DB |
458 | local->amem = ioremap(link->resource[4]->start, |
459 | resource_size(link->resource[4])); | |
141fa61f | 460 | |
624dd669 DB |
461 | dev_dbg(&link->dev, "ray_config sram=%p\n", local->sram); |
462 | dev_dbg(&link->dev, "ray_config rmem=%p\n", local->rmem); | |
463 | dev_dbg(&link->dev, "ray_config amem=%p\n", local->amem); | |
141fa61f JD |
464 | if (ray_init(dev) < 0) { |
465 | ray_release(link); | |
466 | return -ENODEV; | |
467 | } | |
468 | ||
dd2e5a15 | 469 | SET_NETDEV_DEV(dev, &link->dev); |
141fa61f JD |
470 | i = register_netdev(dev); |
471 | if (i != 0) { | |
472 | printk("ray_config register_netdev() failed\n"); | |
473 | ray_release(link); | |
474 | return i; | |
475 | } | |
476 | ||
141fa61f JD |
477 | printk(KERN_INFO "%s: RayLink, irq %d, hw_addr %pM\n", |
478 | dev->name, dev->irq, dev->dev_addr); | |
479 | ||
480 | return 0; | |
1da177e4 | 481 | |
624dd669 | 482 | failed: |
141fa61f JD |
483 | ray_release(link); |
484 | return -ENODEV; | |
1da177e4 LT |
485 | } /* ray_config */ |
486 | ||
487 | static inline struct ccs __iomem *ccs_base(ray_dev_t *dev) | |
488 | { | |
489 | return dev->sram + CCS_BASE; | |
490 | } | |
491 | ||
492 | static inline struct rcs __iomem *rcs_base(ray_dev_t *dev) | |
493 | { | |
494 | /* | |
495 | * This looks nonsensical, since there is a separate | |
496 | * RCS_BASE. But the difference between a "struct rcs" | |
497 | * and a "struct ccs" ends up being in the _index_ off | |
498 | * the base, so the base pointer is the same for both | |
499 | * ccs/rcs. | |
500 | */ | |
501 | return dev->sram + CCS_BASE; | |
502 | } | |
503 | ||
504 | /*===========================================================================*/ | |
505 | static int ray_init(struct net_device *dev) | |
506 | { | |
141fa61f JD |
507 | int i; |
508 | UCHAR *p; | |
509 | struct ccs __iomem *pccs; | |
510 | ray_dev_t *local = netdev_priv(dev); | |
511 | struct pcmcia_device *link = local->finder; | |
624dd669 | 512 | dev_dbg(&link->dev, "ray_init(0x%p)\n", dev); |
141fa61f | 513 | if (!(pcmcia_dev_present(link))) { |
624dd669 | 514 | dev_dbg(&link->dev, "ray_init - device not present\n"); |
141fa61f JD |
515 | return -1; |
516 | } | |
517 | ||
518 | local->net_type = net_type; | |
519 | local->sta_type = TYPE_STA; | |
520 | ||
521 | /* Copy the startup results to local memory */ | |
522 | memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE, | |
523 | sizeof(struct startup_res_6)); | |
524 | ||
525 | /* Check Power up test status and get mac address from card */ | |
526 | if (local->startup_res.startup_word != 0x80) { | |
527 | printk(KERN_INFO "ray_init ERROR card status = %2x\n", | |
528 | local->startup_res.startup_word); | |
529 | local->card_status = CARD_INIT_ERROR; | |
530 | return -1; | |
531 | } | |
532 | ||
533 | local->fw_ver = local->startup_res.firmware_version[0]; | |
534 | local->fw_bld = local->startup_res.firmware_version[1]; | |
535 | local->fw_var = local->startup_res.firmware_version[2]; | |
cb01b09c | 536 | dev_dbg(&link->dev, "ray_init firmware version %d.%d\n", local->fw_ver, |
141fa61f JD |
537 | local->fw_bld); |
538 | ||
539 | local->tib_length = 0x20; | |
540 | if ((local->fw_ver == 5) && (local->fw_bld >= 30)) | |
541 | local->tib_length = local->startup_res.tib_length; | |
624dd669 | 542 | dev_dbg(&link->dev, "ray_init tib_length = 0x%02x\n", local->tib_length); |
141fa61f JD |
543 | /* Initialize CCS's to buffer free state */ |
544 | pccs = ccs_base(local); | |
545 | for (i = 0; i < NUMBER_OF_CCS; i++) { | |
546 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); | |
547 | } | |
548 | init_startup_params(local); | |
549 | ||
550 | /* copy mac address to startup parameters */ | |
551 | if (parse_addr(phy_addr, local->sparm.b4.a_mac_addr)) { | |
552 | p = local->sparm.b4.a_mac_addr; | |
553 | } else { | |
554 | memcpy(&local->sparm.b4.a_mac_addr, | |
555 | &local->startup_res.station_addr, ADDRLEN); | |
556 | p = local->sparm.b4.a_mac_addr; | |
557 | } | |
558 | ||
559 | clear_interrupt(local); /* Clear any interrupt from the card */ | |
560 | local->card_status = CARD_AWAITING_PARAM; | |
624dd669 | 561 | dev_dbg(&link->dev, "ray_init ending\n"); |
141fa61f | 562 | return 0; |
1da177e4 | 563 | } /* ray_init */ |
141fa61f | 564 | |
1da177e4 LT |
565 | /*===========================================================================*/ |
566 | /* Download startup parameters to the card and command it to read them */ | |
567 | static int dl_startup_params(struct net_device *dev) | |
568 | { | |
141fa61f JD |
569 | int ccsindex; |
570 | ray_dev_t *local = netdev_priv(dev); | |
571 | struct ccs __iomem *pccs; | |
572 | struct pcmcia_device *link = local->finder; | |
573 | ||
624dd669 | 574 | dev_dbg(&link->dev, "dl_startup_params entered\n"); |
141fa61f | 575 | if (!(pcmcia_dev_present(link))) { |
624dd669 | 576 | dev_dbg(&link->dev, "ray_cs dl_startup_params - device not present\n"); |
141fa61f JD |
577 | return -1; |
578 | } | |
579 | ||
580 | /* Copy parameters to host to ECF area */ | |
581 | if (local->fw_ver == 0x55) | |
582 | memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4, | |
583 | sizeof(struct b4_startup_params)); | |
584 | else | |
585 | memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5, | |
586 | sizeof(struct b5_startup_params)); | |
587 | ||
588 | /* Fill in the CCS fields for the ECF */ | |
589 | if ((ccsindex = get_free_ccs(local)) < 0) | |
590 | return -1; | |
591 | local->dl_param_ccs = ccsindex; | |
592 | pccs = ccs_base(local) + ccsindex; | |
593 | writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd); | |
624dd669 | 594 | dev_dbg(&link->dev, "dl_startup_params start ccsindex = %d\n", |
141fa61f JD |
595 | local->dl_param_ccs); |
596 | /* Interrupt the firmware to process the command */ | |
597 | if (interrupt_ecf(local, ccsindex)) { | |
598 | printk(KERN_INFO "ray dl_startup_params failed - " | |
599 | "ECF not ready for intr\n"); | |
600 | local->card_status = CARD_DL_PARAM_ERROR; | |
601 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); | |
602 | return -2; | |
603 | } | |
604 | local->card_status = CARD_DL_PARAM; | |
605 | /* Start kernel timer to wait for dl startup to complete. */ | |
606 | local->timer.expires = jiffies + HZ / 2; | |
607 | local->timer.data = (long)local; | |
608 | local->timer.function = &verify_dl_startup; | |
609 | add_timer(&local->timer); | |
624dd669 | 610 | dev_dbg(&link->dev, |
141fa61f JD |
611 | "ray_cs dl_startup_params started timer for verify_dl_startup\n"); |
612 | return 0; | |
1da177e4 | 613 | } /* dl_startup_params */ |
141fa61f | 614 | |
1da177e4 LT |
615 | /*===========================================================================*/ |
616 | static void init_startup_params(ray_dev_t *local) | |
617 | { | |
141fa61f JD |
618 | int i; |
619 | ||
620 | if (country > JAPAN_TEST) | |
621 | country = USA; | |
622 | else if (country < USA) | |
623 | country = USA; | |
624 | /* structure for hop time and beacon period is defined here using | |
625 | * New 802.11D6.1 format. Card firmware is still using old format | |
626 | * until version 6. | |
627 | * Before After | |
628 | * a_hop_time ms byte a_hop_time ms byte | |
629 | * a_hop_time 2s byte a_hop_time ls byte | |
630 | * a_hop_time ls byte a_beacon_period ms byte | |
631 | * a_beacon_period a_beacon_period ls byte | |
632 | * | |
633 | * a_hop_time = uS a_hop_time = KuS | |
634 | * a_beacon_period = hops a_beacon_period = KuS | |
635 | *//* 64ms = 010000 */ | |
636 | if (local->fw_ver == 0x55) { | |
637 | memcpy((UCHAR *) &local->sparm.b4, b4_default_startup_parms, | |
638 | sizeof(struct b4_startup_params)); | |
639 | /* Translate sane kus input values to old build 4/5 format */ | |
640 | /* i = hop time in uS truncated to 3 bytes */ | |
641 | i = (hop_dwell * 1024) & 0xffffff; | |
642 | local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff; | |
643 | local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff; | |
644 | local->sparm.b4.a_beacon_period[0] = 0; | |
645 | local->sparm.b4.a_beacon_period[1] = | |
646 | ((beacon_period / hop_dwell) - 1) & 0xff; | |
647 | local->sparm.b4.a_curr_country_code = country; | |
648 | local->sparm.b4.a_hop_pattern_length = | |
649 | hop_pattern_length[(int)country] - 1; | |
650 | if (bc) { | |
651 | local->sparm.b4.a_ack_timeout = 0x50; | |
652 | local->sparm.b4.a_sifs = 0x3f; | |
653 | } | |
654 | } else { /* Version 5 uses real kus values */ | |
655 | memcpy((UCHAR *) &local->sparm.b5, b5_default_startup_parms, | |
656 | sizeof(struct b5_startup_params)); | |
657 | ||
658 | local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff; | |
659 | local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff; | |
660 | local->sparm.b5.a_beacon_period[0] = | |
661 | (beacon_period >> 8) & 0xff; | |
662 | local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff; | |
663 | if (psm) | |
664 | local->sparm.b5.a_power_mgt_state = 1; | |
665 | local->sparm.b5.a_curr_country_code = country; | |
666 | local->sparm.b5.a_hop_pattern_length = | |
667 | hop_pattern_length[(int)country]; | |
668 | } | |
669 | ||
670 | local->sparm.b4.a_network_type = net_type & 0x01; | |
671 | local->sparm.b4.a_acting_as_ap_status = TYPE_STA; | |
672 | ||
673 | if (essid != NULL) | |
674 | strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE); | |
675 | } /* init_startup_params */ | |
676 | ||
1da177e4 LT |
677 | /*===========================================================================*/ |
678 | static void verify_dl_startup(u_long data) | |
679 | { | |
141fa61f JD |
680 | ray_dev_t *local = (ray_dev_t *) data; |
681 | struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs; | |
682 | UCHAR status; | |
683 | struct pcmcia_device *link = local->finder; | |
1da177e4 | 684 | |
141fa61f | 685 | if (!(pcmcia_dev_present(link))) { |
624dd669 | 686 | dev_dbg(&link->dev, "ray_cs verify_dl_startup - device not present\n"); |
141fa61f JD |
687 | return; |
688 | } | |
624dd669 DB |
689 | #if 0 |
690 | { | |
141fa61f JD |
691 | int i; |
692 | printk(KERN_DEBUG | |
693 | "verify_dl_startup parameters sent via ccs %d:\n", | |
694 | local->dl_param_ccs); | |
695 | for (i = 0; i < sizeof(struct b5_startup_params); i++) { | |
696 | printk(" %2x", | |
697 | (unsigned int)readb(local->sram + | |
698 | HOST_TO_ECF_BASE + i)); | |
699 | } | |
700 | printk("\n"); | |
701 | } | |
1da177e4 LT |
702 | #endif |
703 | ||
141fa61f JD |
704 | status = readb(&pccs->buffer_status); |
705 | if (status != CCS_BUFFER_FREE) { | |
706 | printk(KERN_INFO | |
707 | "Download startup params failed. Status = %d\n", | |
708 | status); | |
709 | local->card_status = CARD_DL_PARAM_ERROR; | |
710 | return; | |
711 | } | |
712 | if (local->sparm.b4.a_network_type == ADHOC) | |
713 | start_net((u_long) local); | |
714 | else | |
715 | join_net((u_long) local); | |
1da177e4 | 716 | } /* end verify_dl_startup */ |
141fa61f | 717 | |
1da177e4 LT |
718 | /*===========================================================================*/ |
719 | /* Command card to start a network */ | |
720 | static void start_net(u_long data) | |
721 | { | |
141fa61f JD |
722 | ray_dev_t *local = (ray_dev_t *) data; |
723 | struct ccs __iomem *pccs; | |
724 | int ccsindex; | |
725 | struct pcmcia_device *link = local->finder; | |
726 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 727 | dev_dbg(&link->dev, "ray_cs start_net - device not present\n"); |
141fa61f JD |
728 | return; |
729 | } | |
730 | /* Fill in the CCS fields for the ECF */ | |
731 | if ((ccsindex = get_free_ccs(local)) < 0) | |
732 | return; | |
733 | pccs = ccs_base(local) + ccsindex; | |
734 | writeb(CCS_START_NETWORK, &pccs->cmd); | |
735 | writeb(0, &pccs->var.start_network.update_param); | |
736 | /* Interrupt the firmware to process the command */ | |
737 | if (interrupt_ecf(local, ccsindex)) { | |
624dd669 | 738 | dev_dbg(&link->dev, "ray start net failed - card not ready for intr\n"); |
141fa61f JD |
739 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); |
740 | return; | |
741 | } | |
742 | local->card_status = CARD_DOING_ACQ; | |
1da177e4 | 743 | } /* end start_net */ |
141fa61f | 744 | |
1da177e4 LT |
745 | /*===========================================================================*/ |
746 | /* Command card to join a network */ | |
747 | static void join_net(u_long data) | |
748 | { | |
141fa61f JD |
749 | ray_dev_t *local = (ray_dev_t *) data; |
750 | ||
751 | struct ccs __iomem *pccs; | |
752 | int ccsindex; | |
753 | struct pcmcia_device *link = local->finder; | |
754 | ||
755 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 756 | dev_dbg(&link->dev, "ray_cs join_net - device not present\n"); |
141fa61f JD |
757 | return; |
758 | } | |
759 | /* Fill in the CCS fields for the ECF */ | |
760 | if ((ccsindex = get_free_ccs(local)) < 0) | |
761 | return; | |
762 | pccs = ccs_base(local) + ccsindex; | |
763 | writeb(CCS_JOIN_NETWORK, &pccs->cmd); | |
764 | writeb(0, &pccs->var.join_network.update_param); | |
765 | writeb(0, &pccs->var.join_network.net_initiated); | |
766 | /* Interrupt the firmware to process the command */ | |
767 | if (interrupt_ecf(local, ccsindex)) { | |
624dd669 | 768 | dev_dbg(&link->dev, "ray join net failed - card not ready for intr\n"); |
141fa61f JD |
769 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); |
770 | return; | |
771 | } | |
772 | local->card_status = CARD_DOING_ACQ; | |
1da177e4 | 773 | } |
141fa61f | 774 | |
1da177e4 LT |
775 | /*============================================================================ |
776 | After a card is removed, ray_release() will unregister the net | |
777 | device, and release the PCMCIA configuration. If the device is | |
778 | still open, this will be postponed until it is closed. | |
779 | =============================================================================*/ | |
fba395ee | 780 | static void ray_release(struct pcmcia_device *link) |
1da177e4 | 781 | { |
141fa61f JD |
782 | struct net_device *dev = link->priv; |
783 | ray_dev_t *local = netdev_priv(dev); | |
141fa61f | 784 | |
624dd669 | 785 | dev_dbg(&link->dev, "ray_release\n"); |
141fa61f JD |
786 | |
787 | del_timer(&local->timer); | |
788 | ||
789 | iounmap(local->sram); | |
790 | iounmap(local->rmem); | |
791 | iounmap(local->amem); | |
141fa61f JD |
792 | pcmcia_disable_device(link); |
793 | ||
624dd669 | 794 | dev_dbg(&link->dev, "ray_release ending\n"); |
1da177e4 LT |
795 | } |
796 | ||
fba395ee | 797 | static int ray_suspend(struct pcmcia_device *link) |
98e4c28b | 798 | { |
98e4c28b DB |
799 | struct net_device *dev = link->priv; |
800 | ||
e2d40963 | 801 | if (link->open) |
8661bb5b | 802 | netif_device_detach(dev); |
98e4c28b DB |
803 | |
804 | return 0; | |
805 | } | |
806 | ||
fba395ee | 807 | static int ray_resume(struct pcmcia_device *link) |
98e4c28b | 808 | { |
98e4c28b DB |
809 | struct net_device *dev = link->priv; |
810 | ||
e2d40963 | 811 | if (link->open) { |
8661bb5b DB |
812 | ray_reset(dev); |
813 | netif_device_attach(dev); | |
814 | } | |
98e4c28b DB |
815 | |
816 | return 0; | |
817 | } | |
818 | ||
1da177e4 | 819 | /*===========================================================================*/ |
2ed5ba89 | 820 | static int ray_dev_init(struct net_device *dev) |
1da177e4 LT |
821 | { |
822 | #ifdef RAY_IMMEDIATE_INIT | |
141fa61f JD |
823 | int i; |
824 | #endif /* RAY_IMMEDIATE_INIT */ | |
825 | ray_dev_t *local = netdev_priv(dev); | |
826 | struct pcmcia_device *link = local->finder; | |
827 | ||
624dd669 | 828 | dev_dbg(&link->dev, "ray_dev_init(dev=%p)\n", dev); |
141fa61f | 829 | if (!(pcmcia_dev_present(link))) { |
624dd669 | 830 | dev_dbg(&link->dev, "ray_dev_init - device not present\n"); |
141fa61f JD |
831 | return -1; |
832 | } | |
1da177e4 | 833 | #ifdef RAY_IMMEDIATE_INIT |
141fa61f JD |
834 | /* Download startup parameters */ |
835 | if ((i = dl_startup_params(dev)) < 0) { | |
836 | printk(KERN_INFO "ray_dev_init dl_startup_params failed - " | |
837 | "returns 0x%x\n", i); | |
838 | return -1; | |
839 | } | |
840 | #else /* RAY_IMMEDIATE_INIT */ | |
841 | /* Postpone the card init so that we can still configure the card, | |
842 | * for example using the Wireless Extensions. The init will happen | |
843 | * in ray_open() - Jean II */ | |
624dd669 | 844 | dev_dbg(&link->dev, |
141fa61f JD |
845 | "ray_dev_init: postponing card init to ray_open() ; Status = %d\n", |
846 | local->card_status); | |
847 | #endif /* RAY_IMMEDIATE_INIT */ | |
848 | ||
849 | /* copy mac and broadcast addresses to linux device */ | |
3a6d54c5 | 850 | memcpy(dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN); |
141fa61f JD |
851 | memset(dev->broadcast, 0xff, ETH_ALEN); |
852 | ||
624dd669 | 853 | dev_dbg(&link->dev, "ray_dev_init ending\n"); |
141fa61f | 854 | return 0; |
1da177e4 | 855 | } |
141fa61f | 856 | |
1da177e4 LT |
857 | /*===========================================================================*/ |
858 | static int ray_dev_config(struct net_device *dev, struct ifmap *map) | |
859 | { | |
141fa61f JD |
860 | ray_dev_t *local = netdev_priv(dev); |
861 | struct pcmcia_device *link = local->finder; | |
862 | /* Dummy routine to satisfy device structure */ | |
624dd669 | 863 | dev_dbg(&link->dev, "ray_dev_config(dev=%p,ifmap=%p)\n", dev, map); |
141fa61f | 864 | if (!(pcmcia_dev_present(link))) { |
624dd669 | 865 | dev_dbg(&link->dev, "ray_dev_config - device not present\n"); |
141fa61f JD |
866 | return -1; |
867 | } | |
1da177e4 | 868 | |
141fa61f | 869 | return 0; |
1da177e4 | 870 | } |
141fa61f | 871 | |
1da177e4 | 872 | /*===========================================================================*/ |
d0cf9c0d SH |
873 | static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb, |
874 | struct net_device *dev) | |
1da177e4 | 875 | { |
141fa61f JD |
876 | ray_dev_t *local = netdev_priv(dev); |
877 | struct pcmcia_device *link = local->finder; | |
878 | short length = skb->len; | |
879 | ||
d0cf9c0d | 880 | if (!pcmcia_dev_present(link)) { |
624dd669 | 881 | dev_dbg(&link->dev, "ray_dev_start_xmit - device not present\n"); |
d0cf9c0d SH |
882 | dev_kfree_skb(skb); |
883 | return NETDEV_TX_OK; | |
141fa61f | 884 | } |
d0cf9c0d | 885 | |
624dd669 | 886 | dev_dbg(&link->dev, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb, dev); |
141fa61f | 887 | if (local->authentication_state == NEED_TO_AUTH) { |
624dd669 | 888 | dev_dbg(&link->dev, "ray_cs Sending authentication request.\n"); |
141fa61f JD |
889 | if (!build_auth_frame(local, local->auth_id, OPEN_AUTH_REQUEST)) { |
890 | local->authentication_state = AUTHENTICATED; | |
891 | netif_stop_queue(dev); | |
5b548140 | 892 | return NETDEV_TX_BUSY; |
141fa61f JD |
893 | } |
894 | } | |
895 | ||
896 | if (length < ETH_ZLEN) { | |
897 | if (skb_padto(skb, ETH_ZLEN)) | |
6ed10654 | 898 | return NETDEV_TX_OK; |
141fa61f JD |
899 | length = ETH_ZLEN; |
900 | } | |
901 | switch (ray_hw_xmit(skb->data, length, dev, DATA_TYPE)) { | |
902 | case XMIT_NO_CCS: | |
903 | case XMIT_NEED_AUTH: | |
904 | netif_stop_queue(dev); | |
5b548140 | 905 | return NETDEV_TX_BUSY; |
141fa61f JD |
906 | case XMIT_NO_INTR: |
907 | case XMIT_MSG_BAD: | |
908 | case XMIT_OK: | |
909 | default: | |
141fa61f | 910 | dev_kfree_skb(skb); |
141fa61f | 911 | } |
d0cf9c0d | 912 | |
6ed10654 | 913 | return NETDEV_TX_OK; |
1da177e4 | 914 | } /* ray_dev_start_xmit */ |
141fa61f | 915 | |
1da177e4 | 916 | /*===========================================================================*/ |
141fa61f JD |
917 | static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev, |
918 | UCHAR msg_type) | |
919 | { | |
920 | ray_dev_t *local = netdev_priv(dev); | |
921 | struct ccs __iomem *pccs; | |
922 | int ccsindex; | |
923 | int offset; | |
924 | struct tx_msg __iomem *ptx; /* Address of xmit buffer in PC space */ | |
925 | short int addr; /* Address of xmit buffer in card space */ | |
926 | ||
624dd669 | 927 | pr_debug("ray_hw_xmit(data=%p, len=%d, dev=%p)\n", data, len, dev); |
141fa61f JD |
928 | if (len + TX_HEADER_LENGTH > TX_BUF_SIZE) { |
929 | printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n", | |
930 | len); | |
931 | return XMIT_MSG_BAD; | |
932 | } | |
1da177e4 LT |
933 | switch (ccsindex = get_free_tx_ccs(local)) { |
934 | case ECCSBUSY: | |
624dd669 | 935 | pr_debug("ray_hw_xmit tx_ccs table busy\n"); |
1da177e4 | 936 | case ECCSFULL: |
624dd669 | 937 | pr_debug("ray_hw_xmit No free tx ccs\n"); |
1da177e4 | 938 | case ECARDGONE: |
141fa61f JD |
939 | netif_stop_queue(dev); |
940 | return XMIT_NO_CCS; | |
1da177e4 LT |
941 | default: |
942 | break; | |
943 | } | |
141fa61f JD |
944 | addr = TX_BUF_BASE + (ccsindex << 11); |
945 | ||
946 | if (msg_type == DATA_TYPE) { | |
947 | local->stats.tx_bytes += len; | |
948 | local->stats.tx_packets++; | |
949 | } | |
950 | ||
951 | ptx = local->sram + addr; | |
952 | ||
953 | ray_build_header(local, ptx, msg_type, data); | |
954 | if (translate) { | |
955 | offset = translate_frame(local, ptx, data, len); | |
956 | } else { /* Encapsulate frame */ | |
957 | /* TBD TIB length will move address of ptx->var */ | |
958 | memcpy_toio(&ptx->var, data, len); | |
959 | offset = 0; | |
960 | } | |
961 | ||
962 | /* fill in the CCS */ | |
963 | pccs = ccs_base(local) + ccsindex; | |
964 | len += TX_HEADER_LENGTH + offset; | |
965 | writeb(CCS_TX_REQUEST, &pccs->cmd); | |
966 | writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]); | |
967 | writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]); | |
968 | writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]); | |
969 | writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]); | |
1da177e4 | 970 | /* TBD still need psm_cam? */ |
141fa61f JD |
971 | writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode); |
972 | writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate); | |
973 | writeb(0, &pccs->var.tx_request.antenna); | |
624dd669 | 974 | pr_debug("ray_hw_xmit default_tx_rate = 0x%x\n", |
141fa61f JD |
975 | local->net_default_tx_rate); |
976 | ||
977 | /* Interrupt the firmware to process the command */ | |
978 | if (interrupt_ecf(local, ccsindex)) { | |
624dd669 | 979 | pr_debug("ray_hw_xmit failed - ECF not ready for intr\n"); |
1da177e4 LT |
980 | /* TBD very inefficient to copy packet to buffer, and then not |
981 | send it, but the alternative is to queue the messages and that | |
982 | won't be done for a while. Maybe set tbusy until a CCS is free? | |
983 | */ | |
141fa61f JD |
984 | writeb(CCS_BUFFER_FREE, &pccs->buffer_status); |
985 | return XMIT_NO_INTR; | |
986 | } | |
987 | return XMIT_OK; | |
1da177e4 | 988 | } /* end ray_hw_xmit */ |
141fa61f | 989 | |
1da177e4 | 990 | /*===========================================================================*/ |
141fa61f JD |
991 | static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx, |
992 | unsigned char *data, int len) | |
993 | { | |
994 | __be16 proto = ((struct ethhdr *)data)->h_proto; | |
995 | if (ntohs(proto) >= 1536) { /* DIX II ethernet frame */ | |
624dd669 | 996 | pr_debug("ray_cs translate_frame DIX II\n"); |
141fa61f JD |
997 | /* Copy LLC header to card buffer */ |
998 | memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc)); | |
999 | memcpy_toio(((void __iomem *)&ptx->var) + sizeof(eth2_llc), | |
1000 | (UCHAR *) &proto, 2); | |
1001 | if (proto == htons(ETH_P_AARP) || proto == htons(ETH_P_IPX)) { | |
1002 | /* This is the selective translation table, only 2 entries */ | |
1003 | writeb(0xf8, | |
1004 | &((struct snaphdr_t __iomem *)ptx->var)->org[3]); | |
1005 | } | |
1006 | /* Copy body of ethernet packet without ethernet header */ | |
1007 | memcpy_toio((void __iomem *)&ptx->var + | |
1008 | sizeof(struct snaphdr_t), data + ETH_HLEN, | |
1009 | len - ETH_HLEN); | |
1010 | return (int)sizeof(struct snaphdr_t) - ETH_HLEN; | |
1011 | } else { /* already 802 type, and proto is length */ | |
624dd669 | 1012 | pr_debug("ray_cs translate_frame 802\n"); |
141fa61f | 1013 | if (proto == htons(0xffff)) { /* evil netware IPX 802.3 without LLC */ |
624dd669 | 1014 | pr_debug("ray_cs translate_frame evil IPX\n"); |
141fa61f JD |
1015 | memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN); |
1016 | return 0 - ETH_HLEN; | |
1017 | } | |
1018 | memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN); | |
1019 | return 0 - ETH_HLEN; | |
1020 | } | |
1021 | /* TBD do other frame types */ | |
1da177e4 | 1022 | } /* end translate_frame */ |
141fa61f | 1023 | |
1da177e4 | 1024 | /*===========================================================================*/ |
141fa61f JD |
1025 | static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx, |
1026 | UCHAR msg_type, unsigned char *data) | |
1da177e4 | 1027 | { |
141fa61f | 1028 | writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1); |
1da177e4 | 1029 | /*** IEEE 802.11 Address field assignments ************* |
141fa61f JD |
1030 | TODS FROMDS addr_1 addr_2 addr_3 addr_4 |
1031 | Adhoc 0 0 dest src (terminal) BSSID N/A | |
1032 | AP to Terminal 0 1 dest AP(BSSID) source N/A | |
1033 | Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A | |
1034 | AP to AP 1 1 dest AP src AP dest source | |
1da177e4 | 1035 | *******************************************************/ |
141fa61f JD |
1036 | if (local->net_type == ADHOC) { |
1037 | writeb(0, &ptx->mac.frame_ctl_2); | |
1038 | memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest, | |
1039 | 2 * ADDRLEN); | |
1040 | memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN); | |
1041 | } else { /* infrastructure */ | |
1042 | ||
1043 | if (local->sparm.b4.a_acting_as_ap_status) { | |
1044 | writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2); | |
1045 | memcpy_toio(ptx->mac.addr_1, | |
1046 | ((struct ethhdr *)data)->h_dest, ADDRLEN); | |
1047 | memcpy_toio(ptx->mac.addr_2, local->bss_id, 6); | |
1048 | memcpy_toio(ptx->mac.addr_3, | |
1049 | ((struct ethhdr *)data)->h_source, ADDRLEN); | |
1050 | } else { /* Terminal */ | |
1051 | ||
1052 | writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2); | |
1053 | memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN); | |
1054 | memcpy_toio(ptx->mac.addr_2, | |
1055 | ((struct ethhdr *)data)->h_source, ADDRLEN); | |
1056 | memcpy_toio(ptx->mac.addr_3, | |
1057 | ((struct ethhdr *)data)->h_dest, ADDRLEN); | |
1058 | } | |
1059 | } | |
1da177e4 LT |
1060 | } /* end encapsulate_frame */ |
1061 | ||
1da177e4 LT |
1062 | /*===========================================================================*/ |
1063 | ||
1064 | static void netdev_get_drvinfo(struct net_device *dev, | |
1065 | struct ethtool_drvinfo *info) | |
1066 | { | |
1067 | strcpy(info->driver, "ray_cs"); | |
1068 | } | |
1069 | ||
7282d491 | 1070 | static const struct ethtool_ops netdev_ethtool_ops = { |
141fa61f | 1071 | .get_drvinfo = netdev_get_drvinfo, |
1da177e4 LT |
1072 | }; |
1073 | ||
1074 | /*====================================================================*/ | |
1075 | ||
3d5d5ac0 JT |
1076 | /*------------------------------------------------------------------*/ |
1077 | /* | |
1078 | * Wireless Handler : get protocol name | |
1079 | */ | |
43ead78a JP |
1080 | static int ray_get_name(struct net_device *dev, struct iw_request_info *info, |
1081 | union iwreq_data *wrqu, char *extra) | |
1da177e4 | 1082 | { |
43ead78a | 1083 | strcpy(wrqu->name, "IEEE 802.11-FH"); |
3d5d5ac0 JT |
1084 | return 0; |
1085 | } | |
1da177e4 | 1086 | |
3d5d5ac0 JT |
1087 | /*------------------------------------------------------------------*/ |
1088 | /* | |
1089 | * Wireless Handler : set frequency | |
1090 | */ | |
43ead78a JP |
1091 | static int ray_set_freq(struct net_device *dev, struct iw_request_info *info, |
1092 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1093 | { |
6dbc9c89 | 1094 | ray_dev_t *local = netdev_priv(dev); |
141fa61f | 1095 | int err = -EINPROGRESS; /* Call commit handler */ |
1da177e4 | 1096 | |
3d5d5ac0 | 1097 | /* Reject if card is already initialised */ |
141fa61f | 1098 | if (local->card_status != CARD_AWAITING_PARAM) |
3d5d5ac0 | 1099 | return -EBUSY; |
1da177e4 | 1100 | |
3d5d5ac0 | 1101 | /* Setting by channel number */ |
43ead78a | 1102 | if ((wrqu->freq.m > USA_HOP_MOD) || (wrqu->freq.e > 0)) |
3d5d5ac0 JT |
1103 | err = -EOPNOTSUPP; |
1104 | else | |
43ead78a | 1105 | local->sparm.b5.a_hop_pattern = wrqu->freq.m; |
1da177e4 | 1106 | |
3d5d5ac0 JT |
1107 | return err; |
1108 | } | |
141fa61f | 1109 | |
3d5d5ac0 JT |
1110 | /*------------------------------------------------------------------*/ |
1111 | /* | |
1112 | * Wireless Handler : get frequency | |
1113 | */ | |
43ead78a JP |
1114 | static int ray_get_freq(struct net_device *dev, struct iw_request_info *info, |
1115 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1116 | { |
6dbc9c89 | 1117 | ray_dev_t *local = netdev_priv(dev); |
1da177e4 | 1118 | |
43ead78a JP |
1119 | wrqu->freq.m = local->sparm.b5.a_hop_pattern; |
1120 | wrqu->freq.e = 0; | |
3d5d5ac0 JT |
1121 | return 0; |
1122 | } | |
1123 | ||
1124 | /*------------------------------------------------------------------*/ | |
1125 | /* | |
1126 | * Wireless Handler : set ESSID | |
1127 | */ | |
43ead78a JP |
1128 | static int ray_set_essid(struct net_device *dev, struct iw_request_info *info, |
1129 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1130 | { |
6dbc9c89 | 1131 | ray_dev_t *local = netdev_priv(dev); |
3d5d5ac0 JT |
1132 | |
1133 | /* Reject if card is already initialised */ | |
141fa61f | 1134 | if (local->card_status != CARD_AWAITING_PARAM) |
3d5d5ac0 JT |
1135 | return -EBUSY; |
1136 | ||
1137 | /* Check if we asked for `any' */ | |
43ead78a | 1138 | if (wrqu->essid.flags == 0) |
1da177e4 | 1139 | /* Corey : can you do that ? */ |
3d5d5ac0 | 1140 | return -EOPNOTSUPP; |
1da177e4 | 1141 | |
43ead78a JP |
1142 | /* Check the size of the string */ |
1143 | if (wrqu->essid.length > IW_ESSID_MAX_SIZE) | |
1144 | return -E2BIG; | |
1145 | ||
1146 | /* Set the ESSID in the card */ | |
1147 | memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE); | |
1148 | memcpy(local->sparm.b5.a_current_ess_id, extra, wrqu->essid.length); | |
1da177e4 | 1149 | |
141fa61f | 1150 | return -EINPROGRESS; /* Call commit handler */ |
3d5d5ac0 | 1151 | } |
1da177e4 | 1152 | |
3d5d5ac0 JT |
1153 | /*------------------------------------------------------------------*/ |
1154 | /* | |
1155 | * Wireless Handler : get ESSID | |
1156 | */ | |
43ead78a JP |
1157 | static int ray_get_essid(struct net_device *dev, struct iw_request_info *info, |
1158 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1159 | { |
6dbc9c89 | 1160 | ray_dev_t *local = netdev_priv(dev); |
3d5d5ac0 JT |
1161 | |
1162 | /* Get the essid that was set */ | |
1163 | memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE); | |
3d5d5ac0 JT |
1164 | |
1165 | /* Push it out ! */ | |
43ead78a JP |
1166 | wrqu->essid.length = strlen(extra); |
1167 | wrqu->essid.flags = 1; /* active */ | |
3d5d5ac0 JT |
1168 | |
1169 | return 0; | |
1170 | } | |
1171 | ||
1172 | /*------------------------------------------------------------------*/ | |
1173 | /* | |
1174 | * Wireless Handler : get AP address | |
1175 | */ | |
43ead78a JP |
1176 | static int ray_get_wap(struct net_device *dev, struct iw_request_info *info, |
1177 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1178 | { |
6dbc9c89 | 1179 | ray_dev_t *local = netdev_priv(dev); |
3d5d5ac0 | 1180 | |
43ead78a JP |
1181 | memcpy(wrqu->ap_addr.sa_data, local->bss_id, ETH_ALEN); |
1182 | wrqu->ap_addr.sa_family = ARPHRD_ETHER; | |
3d5d5ac0 JT |
1183 | |
1184 | return 0; | |
1185 | } | |
1186 | ||
1187 | /*------------------------------------------------------------------*/ | |
1188 | /* | |
1189 | * Wireless Handler : set Bit-Rate | |
1190 | */ | |
43ead78a JP |
1191 | static int ray_set_rate(struct net_device *dev, struct iw_request_info *info, |
1192 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1193 | { |
6dbc9c89 | 1194 | ray_dev_t *local = netdev_priv(dev); |
3d5d5ac0 JT |
1195 | |
1196 | /* Reject if card is already initialised */ | |
141fa61f | 1197 | if (local->card_status != CARD_AWAITING_PARAM) |
3d5d5ac0 JT |
1198 | return -EBUSY; |
1199 | ||
1200 | /* Check if rate is in range */ | |
43ead78a | 1201 | if ((wrqu->bitrate.value != 1000000) && (wrqu->bitrate.value != 2000000)) |
3d5d5ac0 JT |
1202 | return -EINVAL; |
1203 | ||
1204 | /* Hack for 1.5 Mb/s instead of 2 Mb/s */ | |
141fa61f | 1205 | if ((local->fw_ver == 0x55) && /* Please check */ |
43ead78a | 1206 | (wrqu->bitrate.value == 2000000)) |
3d5d5ac0 | 1207 | local->net_default_tx_rate = 3; |
1da177e4 | 1208 | else |
43ead78a | 1209 | local->net_default_tx_rate = wrqu->bitrate.value / 500000; |
3d5d5ac0 JT |
1210 | |
1211 | return 0; | |
1212 | } | |
1213 | ||
1214 | /*------------------------------------------------------------------*/ | |
1215 | /* | |
1216 | * Wireless Handler : get Bit-Rate | |
1217 | */ | |
43ead78a JP |
1218 | static int ray_get_rate(struct net_device *dev, struct iw_request_info *info, |
1219 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1220 | { |
6dbc9c89 | 1221 | ray_dev_t *local = netdev_priv(dev); |
3d5d5ac0 | 1222 | |
141fa61f | 1223 | if (local->net_default_tx_rate == 3) |
43ead78a | 1224 | wrqu->bitrate.value = 2000000; /* Hum... */ |
3d5d5ac0 | 1225 | else |
43ead78a JP |
1226 | wrqu->bitrate.value = local->net_default_tx_rate * 500000; |
1227 | wrqu->bitrate.fixed = 0; /* We are in auto mode */ | |
3d5d5ac0 JT |
1228 | |
1229 | return 0; | |
1230 | } | |
1231 | ||
1232 | /*------------------------------------------------------------------*/ | |
1233 | /* | |
1234 | * Wireless Handler : set RTS threshold | |
1235 | */ | |
43ead78a JP |
1236 | static int ray_set_rts(struct net_device *dev, struct iw_request_info *info, |
1237 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1238 | { |
6dbc9c89 | 1239 | ray_dev_t *local = netdev_priv(dev); |
43ead78a | 1240 | int rthr = wrqu->rts.value; |
3d5d5ac0 JT |
1241 | |
1242 | /* Reject if card is already initialised */ | |
141fa61f | 1243 | if (local->card_status != CARD_AWAITING_PARAM) |
3d5d5ac0 JT |
1244 | return -EBUSY; |
1245 | ||
1246 | /* if(wrq->u.rts.fixed == 0) we should complain */ | |
43ead78a | 1247 | if (wrqu->rts.disabled) |
3d5d5ac0 JT |
1248 | rthr = 32767; |
1249 | else { | |
141fa61f | 1250 | if ((rthr < 0) || (rthr > 2347)) /* What's the max packet size ??? */ |
3d5d5ac0 JT |
1251 | return -EINVAL; |
1252 | } | |
1da177e4 LT |
1253 | local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF; |
1254 | local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF; | |
1da177e4 | 1255 | |
141fa61f | 1256 | return -EINPROGRESS; /* Call commit handler */ |
3d5d5ac0 | 1257 | } |
1da177e4 | 1258 | |
3d5d5ac0 JT |
1259 | /*------------------------------------------------------------------*/ |
1260 | /* | |
1261 | * Wireless Handler : get RTS threshold | |
1262 | */ | |
43ead78a JP |
1263 | static int ray_get_rts(struct net_device *dev, struct iw_request_info *info, |
1264 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1265 | { |
6dbc9c89 | 1266 | ray_dev_t *local = netdev_priv(dev); |
3d5d5ac0 | 1267 | |
43ead78a | 1268 | wrqu->rts.value = (local->sparm.b5.a_rts_threshold[0] << 8) |
141fa61f | 1269 | + local->sparm.b5.a_rts_threshold[1]; |
43ead78a JP |
1270 | wrqu->rts.disabled = (wrqu->rts.value == 32767); |
1271 | wrqu->rts.fixed = 1; | |
3d5d5ac0 JT |
1272 | |
1273 | return 0; | |
1274 | } | |
1275 | ||
1276 | /*------------------------------------------------------------------*/ | |
1277 | /* | |
1278 | * Wireless Handler : set Fragmentation threshold | |
1279 | */ | |
43ead78a JP |
1280 | static int ray_set_frag(struct net_device *dev, struct iw_request_info *info, |
1281 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1282 | { |
6dbc9c89 | 1283 | ray_dev_t *local = netdev_priv(dev); |
43ead78a | 1284 | int fthr = wrqu->frag.value; |
3d5d5ac0 JT |
1285 | |
1286 | /* Reject if card is already initialised */ | |
141fa61f | 1287 | if (local->card_status != CARD_AWAITING_PARAM) |
3d5d5ac0 | 1288 | return -EBUSY; |
1da177e4 LT |
1289 | |
1290 | /* if(wrq->u.frag.fixed == 0) should complain */ | |
43ead78a | 1291 | if (wrqu->frag.disabled) |
3d5d5ac0 JT |
1292 | fthr = 32767; |
1293 | else { | |
141fa61f | 1294 | if ((fthr < 256) || (fthr > 2347)) /* To check out ! */ |
3d5d5ac0 JT |
1295 | return -EINVAL; |
1296 | } | |
1da177e4 LT |
1297 | local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF; |
1298 | local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF; | |
1da177e4 | 1299 | |
141fa61f | 1300 | return -EINPROGRESS; /* Call commit handler */ |
3d5d5ac0 JT |
1301 | } |
1302 | ||
1303 | /*------------------------------------------------------------------*/ | |
1304 | /* | |
1305 | * Wireless Handler : get Fragmentation threshold | |
1306 | */ | |
43ead78a JP |
1307 | static int ray_get_frag(struct net_device *dev, struct iw_request_info *info, |
1308 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1309 | { |
6dbc9c89 | 1310 | ray_dev_t *local = netdev_priv(dev); |
3d5d5ac0 | 1311 | |
43ead78a | 1312 | wrqu->frag.value = (local->sparm.b5.a_frag_threshold[0] << 8) |
141fa61f | 1313 | + local->sparm.b5.a_frag_threshold[1]; |
43ead78a JP |
1314 | wrqu->frag.disabled = (wrqu->frag.value == 32767); |
1315 | wrqu->frag.fixed = 1; | |
1da177e4 | 1316 | |
3d5d5ac0 JT |
1317 | return 0; |
1318 | } | |
1da177e4 | 1319 | |
3d5d5ac0 JT |
1320 | /*------------------------------------------------------------------*/ |
1321 | /* | |
1322 | * Wireless Handler : set Mode of Operation | |
1323 | */ | |
43ead78a JP |
1324 | static int ray_set_mode(struct net_device *dev, struct iw_request_info *info, |
1325 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1326 | { |
6dbc9c89 | 1327 | ray_dev_t *local = netdev_priv(dev); |
141fa61f | 1328 | int err = -EINPROGRESS; /* Call commit handler */ |
1da177e4 | 1329 | char card_mode = 1; |
1da177e4 | 1330 | |
3d5d5ac0 | 1331 | /* Reject if card is already initialised */ |
141fa61f | 1332 | if (local->card_status != CARD_AWAITING_PARAM) |
3d5d5ac0 JT |
1333 | return -EBUSY; |
1334 | ||
43ead78a | 1335 | switch (wrqu->mode) { |
1da177e4 | 1336 | case IW_MODE_ADHOC: |
3d5d5ac0 | 1337 | card_mode = 0; |
141fa61f | 1338 | /* Fall through */ |
1da177e4 | 1339 | case IW_MODE_INFRA: |
3d5d5ac0 JT |
1340 | local->sparm.b5.a_network_type = card_mode; |
1341 | break; | |
1da177e4 | 1342 | default: |
3d5d5ac0 | 1343 | err = -EINVAL; |
1da177e4 | 1344 | } |
1da177e4 | 1345 | |
3d5d5ac0 JT |
1346 | return err; |
1347 | } | |
1da177e4 | 1348 | |
3d5d5ac0 JT |
1349 | /*------------------------------------------------------------------*/ |
1350 | /* | |
1351 | * Wireless Handler : get Mode of Operation | |
1352 | */ | |
43ead78a JP |
1353 | static int ray_get_mode(struct net_device *dev, struct iw_request_info *info, |
1354 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1355 | { |
6dbc9c89 | 1356 | ray_dev_t *local = netdev_priv(dev); |
1da177e4 | 1357 | |
141fa61f | 1358 | if (local->sparm.b5.a_network_type) |
43ead78a | 1359 | wrqu->mode = IW_MODE_INFRA; |
3d5d5ac0 | 1360 | else |
43ead78a | 1361 | wrqu->mode = IW_MODE_ADHOC; |
1da177e4 | 1362 | |
3d5d5ac0 JT |
1363 | return 0; |
1364 | } | |
1da177e4 | 1365 | |
3d5d5ac0 JT |
1366 | /*------------------------------------------------------------------*/ |
1367 | /* | |
1368 | * Wireless Handler : get range info | |
1369 | */ | |
43ead78a JP |
1370 | static int ray_get_range(struct net_device *dev, struct iw_request_info *info, |
1371 | union iwreq_data *wrqu, char *extra) | |
3d5d5ac0 | 1372 | { |
141fa61f | 1373 | struct iw_range *range = (struct iw_range *)extra; |
3d5d5ac0 | 1374 | |
43ead78a | 1375 | memset(range, 0, sizeof(struct iw_range)); |
3d5d5ac0 JT |
1376 | |
1377 | /* Set the length (very important for backward compatibility) */ | |
43ead78a | 1378 | wrqu->data.length = sizeof(struct iw_range); |
3d5d5ac0 JT |
1379 | |
1380 | /* Set the Wireless Extension versions */ | |
1381 | range->we_version_compiled = WIRELESS_EXT; | |
1382 | range->we_version_source = 9; | |
1383 | ||
1384 | /* Set information in the range struct */ | |
1385 | range->throughput = 1.1 * 1000 * 1000; /* Put the right number here */ | |
141fa61f | 1386 | range->num_channels = hop_pattern_length[(int)country]; |
3d5d5ac0 JT |
1387 | range->num_frequency = 0; |
1388 | range->max_qual.qual = 0; | |
1389 | range->max_qual.level = 255; /* What's the correct value ? */ | |
1390 | range->max_qual.noise = 255; /* Idem */ | |
1391 | range->num_bitrates = 2; | |
1392 | range->bitrate[0] = 1000000; /* 1 Mb/s */ | |
1393 | range->bitrate[1] = 2000000; /* 2 Mb/s */ | |
1394 | return 0; | |
1395 | } | |
1da177e4 | 1396 | |
3d5d5ac0 JT |
1397 | /*------------------------------------------------------------------*/ |
1398 | /* | |
1399 | * Wireless Private Handler : set framing mode | |
1400 | */ | |
43ead78a | 1401 | static int ray_set_framing(struct net_device *dev, struct iw_request_info *info, |
141fa61f | 1402 | union iwreq_data *wrqu, char *extra) |
3d5d5ac0 JT |
1403 | { |
1404 | translate = *(extra); /* Set framing mode */ | |
1da177e4 | 1405 | |
3d5d5ac0 JT |
1406 | return 0; |
1407 | } | |
1da177e4 | 1408 | |
3d5d5ac0 JT |
1409 | /*------------------------------------------------------------------*/ |
1410 | /* | |
1411 | * Wireless Private Handler : get framing mode | |
1412 | */ | |
43ead78a | 1413 | static int ray_get_framing(struct net_device *dev, struct iw_request_info *info, |
141fa61f | 1414 | union iwreq_data *wrqu, char *extra) |
3d5d5ac0 JT |
1415 | { |
1416 | *(extra) = translate; | |
1417 | ||
1418 | return 0; | |
1419 | } | |
1420 | ||
1421 | /*------------------------------------------------------------------*/ | |
1422 | /* | |
1423 | * Wireless Private Handler : get country | |
1424 | */ | |
43ead78a | 1425 | static int ray_get_country(struct net_device *dev, struct iw_request_info *info, |
141fa61f | 1426 | union iwreq_data *wrqu, char *extra) |
3d5d5ac0 JT |
1427 | { |
1428 | *(extra) = country; | |
1429 | ||
1430 | return 0; | |
1431 | } | |
1432 | ||
1433 | /*------------------------------------------------------------------*/ | |
1434 | /* | |
1435 | * Commit handler : called after a bunch of SET operations | |
1436 | */ | |
43ead78a JP |
1437 | static int ray_commit(struct net_device *dev, struct iw_request_info *info, |
1438 | union iwreq_data *wrqu, char *extra) | |
1439 | { | |
3d5d5ac0 JT |
1440 | return 0; |
1441 | } | |
1442 | ||
1443 | /*------------------------------------------------------------------*/ | |
1444 | /* | |
1445 | * Stats handler : return Wireless Stats | |
1446 | */ | |
141fa61f | 1447 | static iw_stats *ray_get_wireless_stats(struct net_device *dev) |
1da177e4 | 1448 | { |
141fa61f JD |
1449 | ray_dev_t *local = netdev_priv(dev); |
1450 | struct pcmcia_device *link = local->finder; | |
1451 | struct status __iomem *p = local->sram + STATUS_BASE; | |
1da177e4 | 1452 | |
141fa61f | 1453 | local->wstats.status = local->card_status; |
1da177e4 | 1454 | #ifdef WIRELESS_SPY |
141fa61f JD |
1455 | if ((local->spy_data.spy_number > 0) |
1456 | && (local->sparm.b5.a_network_type == 0)) { | |
1457 | /* Get it from the first node in spy list */ | |
1458 | local->wstats.qual.qual = local->spy_data.spy_stat[0].qual; | |
1459 | local->wstats.qual.level = local->spy_data.spy_stat[0].level; | |
1460 | local->wstats.qual.noise = local->spy_data.spy_stat[0].noise; | |
1461 | local->wstats.qual.updated = | |
1462 | local->spy_data.spy_stat[0].updated; | |
1463 | } | |
1da177e4 LT |
1464 | #endif /* WIRELESS_SPY */ |
1465 | ||
141fa61f JD |
1466 | if (pcmcia_dev_present(link)) { |
1467 | local->wstats.qual.noise = readb(&p->rxnoise); | |
1468 | local->wstats.qual.updated |= 4; | |
1469 | } | |
1da177e4 | 1470 | |
141fa61f | 1471 | return &local->wstats; |
1da177e4 | 1472 | } /* end ray_get_wireless_stats */ |
3d5d5ac0 JT |
1473 | |
1474 | /*------------------------------------------------------------------*/ | |
1475 | /* | |
1476 | * Structures to export the Wireless Handlers | |
1477 | */ | |
1478 | ||
141fa61f | 1479 | static const iw_handler ray_handler[] = { |
43ead78a JP |
1480 | IW_HANDLER(SIOCSIWCOMMIT, ray_commit), |
1481 | IW_HANDLER(SIOCGIWNAME, ray_get_name), | |
1482 | IW_HANDLER(SIOCSIWFREQ, ray_set_freq), | |
1483 | IW_HANDLER(SIOCGIWFREQ, ray_get_freq), | |
1484 | IW_HANDLER(SIOCSIWMODE, ray_set_mode), | |
1485 | IW_HANDLER(SIOCGIWMODE, ray_get_mode), | |
1486 | IW_HANDLER(SIOCGIWRANGE, ray_get_range), | |
3d5d5ac0 | 1487 | #ifdef WIRELESS_SPY |
270020e8 JP |
1488 | IW_HANDLER(SIOCSIWSPY, iw_handler_set_spy), |
1489 | IW_HANDLER(SIOCGIWSPY, iw_handler_get_spy), | |
1490 | IW_HANDLER(SIOCSIWTHRSPY, iw_handler_set_thrspy), | |
1491 | IW_HANDLER(SIOCGIWTHRSPY, iw_handler_get_thrspy), | |
141fa61f | 1492 | #endif /* WIRELESS_SPY */ |
43ead78a JP |
1493 | IW_HANDLER(SIOCGIWAP, ray_get_wap), |
1494 | IW_HANDLER(SIOCSIWESSID, ray_set_essid), | |
1495 | IW_HANDLER(SIOCGIWESSID, ray_get_essid), | |
1496 | IW_HANDLER(SIOCSIWRATE, ray_set_rate), | |
1497 | IW_HANDLER(SIOCGIWRATE, ray_get_rate), | |
1498 | IW_HANDLER(SIOCSIWRTS, ray_set_rts), | |
1499 | IW_HANDLER(SIOCGIWRTS, ray_get_rts), | |
1500 | IW_HANDLER(SIOCSIWFRAG, ray_set_frag), | |
1501 | IW_HANDLER(SIOCGIWFRAG, ray_get_frag), | |
3d5d5ac0 JT |
1502 | }; |
1503 | ||
141fa61f | 1504 | #define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */ |
3d5d5ac0 JT |
1505 | #define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */ |
1506 | #define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */ | |
1507 | ||
141fa61f | 1508 | static const iw_handler ray_private_handler[] = { |
43ead78a JP |
1509 | [0] = ray_set_framing, |
1510 | [1] = ray_get_framing, | |
1511 | [3] = ray_get_country, | |
3d5d5ac0 JT |
1512 | }; |
1513 | ||
141fa61f | 1514 | static const struct iw_priv_args ray_private_args[] = { |
3d5d5ac0 | 1515 | /* cmd, set_args, get_args, name */ |
141fa61f JD |
1516 | {SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0, |
1517 | "set_framing"}, | |
1518 | {SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, | |
1519 | "get_framing"}, | |
1520 | {SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, | |
1521 | "get_country"}, | |
3d5d5ac0 JT |
1522 | }; |
1523 | ||
141fa61f JD |
1524 | static const struct iw_handler_def ray_handler_def = { |
1525 | .num_standard = ARRAY_SIZE(ray_handler), | |
1526 | .num_private = ARRAY_SIZE(ray_private_handler), | |
ff8ac609 | 1527 | .num_private_args = ARRAY_SIZE(ray_private_args), |
141fa61f JD |
1528 | .standard = ray_handler, |
1529 | .private = ray_private_handler, | |
1530 | .private_args = ray_private_args, | |
3d5d5ac0 JT |
1531 | .get_wireless_stats = ray_get_wireless_stats, |
1532 | }; | |
1533 | ||
1da177e4 LT |
1534 | /*===========================================================================*/ |
1535 | static int ray_open(struct net_device *dev) | |
1536 | { | |
141fa61f JD |
1537 | ray_dev_t *local = netdev_priv(dev); |
1538 | struct pcmcia_device *link; | |
1539 | link = local->finder; | |
1da177e4 | 1540 | |
624dd669 | 1541 | dev_dbg(&link->dev, "ray_open('%s')\n", dev->name); |
1da177e4 | 1542 | |
141fa61f JD |
1543 | if (link->open == 0) |
1544 | local->num_multi = 0; | |
1545 | link->open++; | |
1da177e4 | 1546 | |
141fa61f JD |
1547 | /* If the card is not started, time to start it ! - Jean II */ |
1548 | if (local->card_status == CARD_AWAITING_PARAM) { | |
1549 | int i; | |
1da177e4 | 1550 | |
624dd669 | 1551 | dev_dbg(&link->dev, "ray_open: doing init now !\n"); |
141fa61f JD |
1552 | |
1553 | /* Download startup parameters */ | |
1554 | if ((i = dl_startup_params(dev)) < 0) { | |
1555 | printk(KERN_INFO | |
1556 | "ray_dev_init dl_startup_params failed - " | |
1557 | "returns 0x%x\n", i); | |
1558 | return -1; | |
1559 | } | |
1560 | } | |
1561 | ||
1562 | if (sniffer) | |
1563 | netif_stop_queue(dev); | |
1564 | else | |
1565 | netif_start_queue(dev); | |
1566 | ||
624dd669 | 1567 | dev_dbg(&link->dev, "ray_open ending\n"); |
141fa61f | 1568 | return 0; |
1da177e4 | 1569 | } /* end ray_open */ |
141fa61f | 1570 | |
1da177e4 LT |
1571 | /*===========================================================================*/ |
1572 | static int ray_dev_close(struct net_device *dev) | |
1573 | { | |
141fa61f JD |
1574 | ray_dev_t *local = netdev_priv(dev); |
1575 | struct pcmcia_device *link; | |
1576 | link = local->finder; | |
1da177e4 | 1577 | |
624dd669 | 1578 | dev_dbg(&link->dev, "ray_dev_close('%s')\n", dev->name); |
1da177e4 | 1579 | |
141fa61f JD |
1580 | link->open--; |
1581 | netif_stop_queue(dev); | |
1da177e4 | 1582 | |
141fa61f JD |
1583 | /* In here, we should stop the hardware (stop card from beeing active) |
1584 | * and set local->card_status to CARD_AWAITING_PARAM, so that while the | |
1585 | * card is closed we can chage its configuration. | |
1586 | * Probably also need a COR reset to get sane state - Jean II */ | |
1da177e4 | 1587 | |
141fa61f | 1588 | return 0; |
1da177e4 | 1589 | } /* end ray_dev_close */ |
141fa61f | 1590 | |
1da177e4 | 1591 | /*===========================================================================*/ |
141fa61f JD |
1592 | static void ray_reset(struct net_device *dev) |
1593 | { | |
624dd669 | 1594 | pr_debug("ray_reset entered\n"); |
1da177e4 | 1595 | } |
141fa61f | 1596 | |
1da177e4 LT |
1597 | /*===========================================================================*/ |
1598 | /* Cause a firmware interrupt if it is ready for one */ | |
1599 | /* Return nonzero if not ready */ | |
1600 | static int interrupt_ecf(ray_dev_t *local, int ccs) | |
1601 | { | |
141fa61f JD |
1602 | int i = 50; |
1603 | struct pcmcia_device *link = local->finder; | |
1604 | ||
1605 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 1606 | dev_dbg(&link->dev, "ray_cs interrupt_ecf - device not present\n"); |
141fa61f JD |
1607 | return -1; |
1608 | } | |
624dd669 | 1609 | dev_dbg(&link->dev, "interrupt_ecf(local=%p, ccs = 0x%x\n", local, ccs); |
141fa61f JD |
1610 | |
1611 | while (i && | |
1612 | (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) & | |
1613 | ECF_INTR_SET)) | |
1614 | i--; | |
1615 | if (i == 0) { | |
624dd669 | 1616 | dev_dbg(&link->dev, "ray_cs interrupt_ecf card not ready for interrupt\n"); |
141fa61f JD |
1617 | return -1; |
1618 | } | |
1da177e4 | 1619 | /* Fill the mailbox, then kick the card */ |
141fa61f JD |
1620 | writeb(ccs, local->sram + SCB_BASE); |
1621 | writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET); | |
1622 | return 0; | |
1da177e4 | 1623 | } /* interrupt_ecf */ |
141fa61f | 1624 | |
1da177e4 LT |
1625 | /*===========================================================================*/ |
1626 | /* Get next free transmit CCS */ | |
1627 | /* Return - index of current tx ccs */ | |
1628 | static int get_free_tx_ccs(ray_dev_t *local) | |
1629 | { | |
141fa61f JD |
1630 | int i; |
1631 | struct ccs __iomem *pccs = ccs_base(local); | |
1632 | struct pcmcia_device *link = local->finder; | |
1da177e4 | 1633 | |
141fa61f | 1634 | if (!(pcmcia_dev_present(link))) { |
624dd669 | 1635 | dev_dbg(&link->dev, "ray_cs get_free_tx_ccs - device not present\n"); |
141fa61f JD |
1636 | return ECARDGONE; |
1637 | } | |
1da177e4 | 1638 | |
141fa61f | 1639 | if (test_and_set_bit(0, &local->tx_ccs_lock)) { |
624dd669 | 1640 | dev_dbg(&link->dev, "ray_cs tx_ccs_lock busy\n"); |
141fa61f JD |
1641 | return ECCSBUSY; |
1642 | } | |
1da177e4 | 1643 | |
141fa61f JD |
1644 | for (i = 0; i < NUMBER_OF_TX_CCS; i++) { |
1645 | if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) { | |
1646 | writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status); | |
1647 | writeb(CCS_END_LIST, &(pccs + i)->link); | |
1da177e4 | 1648 | local->tx_ccs_lock = 0; |
141fa61f JD |
1649 | return i; |
1650 | } | |
1651 | } | |
1da177e4 | 1652 | local->tx_ccs_lock = 0; |
624dd669 | 1653 | dev_dbg(&link->dev, "ray_cs ERROR no free tx CCS for raylink card\n"); |
141fa61f | 1654 | return ECCSFULL; |
1da177e4 | 1655 | } /* get_free_tx_ccs */ |
141fa61f | 1656 | |
1da177e4 LT |
1657 | /*===========================================================================*/ |
1658 | /* Get next free CCS */ | |
1659 | /* Return - index of current ccs */ | |
1660 | static int get_free_ccs(ray_dev_t *local) | |
1661 | { | |
141fa61f JD |
1662 | int i; |
1663 | struct ccs __iomem *pccs = ccs_base(local); | |
1664 | struct pcmcia_device *link = local->finder; | |
1665 | ||
1666 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 1667 | dev_dbg(&link->dev, "ray_cs get_free_ccs - device not present\n"); |
141fa61f JD |
1668 | return ECARDGONE; |
1669 | } | |
1670 | if (test_and_set_bit(0, &local->ccs_lock)) { | |
624dd669 | 1671 | dev_dbg(&link->dev, "ray_cs ccs_lock busy\n"); |
141fa61f JD |
1672 | return ECCSBUSY; |
1673 | } | |
1674 | ||
1675 | for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) { | |
1676 | if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) { | |
1677 | writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status); | |
1678 | writeb(CCS_END_LIST, &(pccs + i)->link); | |
1da177e4 | 1679 | local->ccs_lock = 0; |
141fa61f JD |
1680 | return i; |
1681 | } | |
1682 | } | |
1da177e4 | 1683 | local->ccs_lock = 0; |
624dd669 | 1684 | dev_dbg(&link->dev, "ray_cs ERROR no free CCS for raylink card\n"); |
141fa61f | 1685 | return ECCSFULL; |
1da177e4 | 1686 | } /* get_free_ccs */ |
141fa61f | 1687 | |
1da177e4 LT |
1688 | /*===========================================================================*/ |
1689 | static void authenticate_timeout(u_long data) | |
1690 | { | |
141fa61f JD |
1691 | ray_dev_t *local = (ray_dev_t *) data; |
1692 | del_timer(&local->timer); | |
1693 | printk(KERN_INFO "ray_cs Authentication with access point failed" | |
1694 | " - timeout\n"); | |
1695 | join_net((u_long) local); | |
1da177e4 | 1696 | } |
141fa61f | 1697 | |
1da177e4 LT |
1698 | /*===========================================================================*/ |
1699 | static int parse_addr(char *in_str, UCHAR *out) | |
1700 | { | |
141fa61f JD |
1701 | int len; |
1702 | int i, j, k; | |
1703 | int status; | |
1704 | ||
1705 | if (in_str == NULL) | |
1706 | return 0; | |
1707 | if ((len = strlen(in_str)) < 2) | |
1708 | return 0; | |
1709 | memset(out, 0, ADDRLEN); | |
1710 | ||
1711 | status = 1; | |
1712 | j = len - 1; | |
1713 | if (j > 12) | |
1714 | j = 12; | |
1715 | i = 5; | |
1716 | ||
1717 | while (j > 0) { | |
882d829a | 1718 | if ((k = hex_to_bin(in_str[j--])) != -1) |
141fa61f JD |
1719 | out[i] = k; |
1720 | else | |
1721 | return 0; | |
1722 | ||
1723 | if (j == 0) | |
1724 | break; | |
882d829a | 1725 | if ((k = hex_to_bin(in_str[j--])) != -1) |
141fa61f JD |
1726 | out[i] += k << 4; |
1727 | else | |
1728 | return 0; | |
1729 | if (!i--) | |
1730 | break; | |
1731 | } | |
1732 | return status; | |
1da177e4 | 1733 | } |
141fa61f | 1734 | |
1da177e4 LT |
1735 | /*===========================================================================*/ |
1736 | static struct net_device_stats *ray_get_stats(struct net_device *dev) | |
1737 | { | |
141fa61f JD |
1738 | ray_dev_t *local = netdev_priv(dev); |
1739 | struct pcmcia_device *link = local->finder; | |
1740 | struct status __iomem *p = local->sram + STATUS_BASE; | |
1741 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 1742 | dev_dbg(&link->dev, "ray_cs net_device_stats - device not present\n"); |
141fa61f JD |
1743 | return &local->stats; |
1744 | } | |
1745 | if (readb(&p->mrx_overflow_for_host)) { | |
1746 | local->stats.rx_over_errors += swab16(readw(&p->mrx_overflow)); | |
1747 | writeb(0, &p->mrx_overflow); | |
1748 | writeb(0, &p->mrx_overflow_for_host); | |
1749 | } | |
1750 | if (readb(&p->mrx_checksum_error_for_host)) { | |
1751 | local->stats.rx_crc_errors += | |
1752 | swab16(readw(&p->mrx_checksum_error)); | |
1753 | writeb(0, &p->mrx_checksum_error); | |
1754 | writeb(0, &p->mrx_checksum_error_for_host); | |
1755 | } | |
1756 | if (readb(&p->rx_hec_error_for_host)) { | |
1757 | local->stats.rx_frame_errors += swab16(readw(&p->rx_hec_error)); | |
1758 | writeb(0, &p->rx_hec_error); | |
1759 | writeb(0, &p->rx_hec_error_for_host); | |
1760 | } | |
1761 | return &local->stats; | |
1da177e4 | 1762 | } |
141fa61f | 1763 | |
1da177e4 | 1764 | /*===========================================================================*/ |
141fa61f JD |
1765 | static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, |
1766 | int len) | |
1767 | { | |
1768 | ray_dev_t *local = netdev_priv(dev); | |
1769 | struct pcmcia_device *link = local->finder; | |
1770 | int ccsindex; | |
1771 | int i; | |
1772 | struct ccs __iomem *pccs; | |
1773 | ||
1774 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 1775 | dev_dbg(&link->dev, "ray_update_parm - device not present\n"); |
141fa61f JD |
1776 | return; |
1777 | } | |
1778 | ||
1779 | if ((ccsindex = get_free_ccs(local)) < 0) { | |
624dd669 | 1780 | dev_dbg(&link->dev, "ray_update_parm - No free ccs\n"); |
141fa61f JD |
1781 | return; |
1782 | } | |
1783 | pccs = ccs_base(local) + ccsindex; | |
1784 | writeb(CCS_UPDATE_PARAMS, &pccs->cmd); | |
1785 | writeb(objid, &pccs->var.update_param.object_id); | |
1786 | writeb(1, &pccs->var.update_param.number_objects); | |
1787 | writeb(0, &pccs->var.update_param.failure_cause); | |
1788 | for (i = 0; i < len; i++) { | |
1789 | writeb(value[i], local->sram + HOST_TO_ECF_BASE); | |
1790 | } | |
1791 | /* Interrupt the firmware to process the command */ | |
1792 | if (interrupt_ecf(local, ccsindex)) { | |
624dd669 | 1793 | dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n"); |
141fa61f JD |
1794 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); |
1795 | } | |
1da177e4 | 1796 | } |
141fa61f | 1797 | |
1da177e4 LT |
1798 | /*===========================================================================*/ |
1799 | static void ray_update_multi_list(struct net_device *dev, int all) | |
1800 | { | |
141fa61f JD |
1801 | int ccsindex; |
1802 | struct ccs __iomem *pccs; | |
141fa61f JD |
1803 | ray_dev_t *local = netdev_priv(dev); |
1804 | struct pcmcia_device *link = local->finder; | |
1805 | void __iomem *p = local->sram + HOST_TO_ECF_BASE; | |
1806 | ||
1807 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 1808 | dev_dbg(&link->dev, "ray_update_multi_list - device not present\n"); |
141fa61f JD |
1809 | return; |
1810 | } else | |
624dd669 | 1811 | dev_dbg(&link->dev, "ray_update_multi_list(%p)\n", dev); |
141fa61f | 1812 | if ((ccsindex = get_free_ccs(local)) < 0) { |
624dd669 | 1813 | dev_dbg(&link->dev, "ray_update_multi - No free ccs\n"); |
141fa61f JD |
1814 | return; |
1815 | } | |
1816 | pccs = ccs_base(local) + ccsindex; | |
1817 | writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd); | |
1818 | ||
1819 | if (all) { | |
1820 | writeb(0xff, &pccs->var); | |
1821 | local->num_multi = 0xff; | |
1822 | } else { | |
22bedad3 | 1823 | struct netdev_hw_addr *ha; |
655ffee2 JP |
1824 | int i = 0; |
1825 | ||
141fa61f | 1826 | /* Copy the kernel's list of MC addresses to card */ |
22bedad3 JP |
1827 | netdev_for_each_mc_addr(ha, dev) { |
1828 | memcpy_toio(p, ha->addr, ETH_ALEN); | |
624dd669 | 1829 | dev_dbg(&link->dev, |
141fa61f | 1830 | "ray_update_multi add addr %02x%02x%02x%02x%02x%02x\n", |
22bedad3 JP |
1831 | ha->addr[0], ha->addr[1], |
1832 | ha->addr[2], ha->addr[3], | |
1833 | ha->addr[4], ha->addr[5]); | |
141fa61f JD |
1834 | p += ETH_ALEN; |
1835 | i++; | |
1836 | } | |
1837 | if (i > 256 / ADDRLEN) | |
1838 | i = 256 / ADDRLEN; | |
1839 | writeb((UCHAR) i, &pccs->var); | |
624dd669 | 1840 | dev_dbg(&link->dev, "ray_cs update_multi %d addresses in list\n", i); |
141fa61f JD |
1841 | /* Interrupt the firmware to process the command */ |
1842 | local->num_multi = i; | |
1843 | } | |
1844 | if (interrupt_ecf(local, ccsindex)) { | |
624dd669 | 1845 | dev_dbg(&link->dev, |
141fa61f JD |
1846 | "ray_cs update_multi failed - ECF not ready for intr\n"); |
1847 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); | |
1848 | } | |
1da177e4 | 1849 | } /* end ray_update_multi_list */ |
141fa61f | 1850 | |
1da177e4 LT |
1851 | /*===========================================================================*/ |
1852 | static void set_multicast_list(struct net_device *dev) | |
1853 | { | |
141fa61f JD |
1854 | ray_dev_t *local = netdev_priv(dev); |
1855 | UCHAR promisc; | |
1856 | ||
624dd669 | 1857 | pr_debug("ray_cs set_multicast_list(%p)\n", dev); |
141fa61f JD |
1858 | |
1859 | if (dev->flags & IFF_PROMISC) { | |
1860 | if (local->sparm.b5.a_promiscuous_mode == 0) { | |
624dd669 | 1861 | pr_debug("ray_cs set_multicast_list promisc on\n"); |
141fa61f JD |
1862 | local->sparm.b5.a_promiscuous_mode = 1; |
1863 | promisc = 1; | |
1864 | ray_update_parm(dev, OBJID_promiscuous_mode, | |
1865 | &promisc, sizeof(promisc)); | |
1866 | } | |
1867 | } else { | |
1868 | if (local->sparm.b5.a_promiscuous_mode == 1) { | |
624dd669 | 1869 | pr_debug("ray_cs set_multicast_list promisc off\n"); |
141fa61f JD |
1870 | local->sparm.b5.a_promiscuous_mode = 0; |
1871 | promisc = 0; | |
1872 | ray_update_parm(dev, OBJID_promiscuous_mode, | |
1873 | &promisc, sizeof(promisc)); | |
1874 | } | |
1875 | } | |
1876 | ||
1877 | if (dev->flags & IFF_ALLMULTI) | |
1878 | ray_update_multi_list(dev, 1); | |
1879 | else { | |
4cd24eaf | 1880 | if (local->num_multi != netdev_mc_count(dev)) |
141fa61f JD |
1881 | ray_update_multi_list(dev, 0); |
1882 | } | |
1da177e4 | 1883 | } /* end set_multicast_list */ |
141fa61f | 1884 | |
1da177e4 LT |
1885 | /*============================================================================= |
1886 | * All routines below here are run at interrupt time. | |
1887 | =============================================================================*/ | |
7d12e780 | 1888 | static irqreturn_t ray_interrupt(int irq, void *dev_id) |
1da177e4 | 1889 | { |
141fa61f JD |
1890 | struct net_device *dev = (struct net_device *)dev_id; |
1891 | struct pcmcia_device *link; | |
1892 | ray_dev_t *local; | |
1893 | struct ccs __iomem *pccs; | |
1894 | struct rcs __iomem *prcs; | |
1895 | UCHAR rcsindex; | |
1896 | UCHAR tmp; | |
1897 | UCHAR cmd; | |
1898 | UCHAR status; | |
1899 | ||
1900 | if (dev == NULL) /* Note that we want interrupts with dev->start == 0 */ | |
1901 | return IRQ_NONE; | |
1902 | ||
624dd669 | 1903 | pr_debug("ray_cs: interrupt for *dev=%p\n", dev); |
141fa61f JD |
1904 | |
1905 | local = netdev_priv(dev); | |
1906 | link = (struct pcmcia_device *)local->finder; | |
1907 | if (!pcmcia_dev_present(link)) { | |
624dd669 DB |
1908 | pr_debug( |
1909 | "ray_cs interrupt from device not present or suspended.\n"); | |
141fa61f JD |
1910 | return IRQ_NONE; |
1911 | } | |
1912 | rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index); | |
1913 | ||
1914 | if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) { | |
624dd669 | 1915 | dev_dbg(&link->dev, "ray_cs interrupt bad rcsindex = 0x%x\n", rcsindex); |
141fa61f JD |
1916 | clear_interrupt(local); |
1917 | return IRQ_HANDLED; | |
1918 | } | |
1919 | if (rcsindex < NUMBER_OF_CCS) { /* If it's a returned CCS */ | |
1920 | pccs = ccs_base(local) + rcsindex; | |
1921 | cmd = readb(&pccs->cmd); | |
1922 | status = readb(&pccs->buffer_status); | |
1923 | switch (cmd) { | |
1924 | case CCS_DOWNLOAD_STARTUP_PARAMS: /* Happens in firmware someday */ | |
1925 | del_timer(&local->timer); | |
1926 | if (status == CCS_COMMAND_COMPLETE) { | |
624dd669 | 1927 | dev_dbg(&link->dev, |
141fa61f JD |
1928 | "ray_cs interrupt download_startup_parameters OK\n"); |
1929 | } else { | |
624dd669 | 1930 | dev_dbg(&link->dev, |
141fa61f JD |
1931 | "ray_cs interrupt download_startup_parameters fail\n"); |
1932 | } | |
1933 | break; | |
1934 | case CCS_UPDATE_PARAMS: | |
624dd669 | 1935 | dev_dbg(&link->dev, "ray_cs interrupt update params done\n"); |
141fa61f JD |
1936 | if (status != CCS_COMMAND_COMPLETE) { |
1937 | tmp = | |
1938 | readb(&pccs->var.update_param. | |
1939 | failure_cause); | |
624dd669 | 1940 | dev_dbg(&link->dev, |
141fa61f JD |
1941 | "ray_cs interrupt update params failed - reason %d\n", |
1942 | tmp); | |
1943 | } | |
1944 | break; | |
1945 | case CCS_REPORT_PARAMS: | |
624dd669 | 1946 | dev_dbg(&link->dev, "ray_cs interrupt report params done\n"); |
141fa61f JD |
1947 | break; |
1948 | case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */ | |
624dd669 | 1949 | dev_dbg(&link->dev, |
141fa61f JD |
1950 | "ray_cs interrupt CCS Update Multicast List done\n"); |
1951 | break; | |
1952 | case CCS_UPDATE_POWER_SAVINGS_MODE: | |
624dd669 | 1953 | dev_dbg(&link->dev, |
141fa61f JD |
1954 | "ray_cs interrupt update power save mode done\n"); |
1955 | break; | |
1956 | case CCS_START_NETWORK: | |
1957 | case CCS_JOIN_NETWORK: | |
1958 | if (status == CCS_COMMAND_COMPLETE) { | |
1959 | if (readb | |
1960 | (&pccs->var.start_network.net_initiated) == | |
1961 | 1) { | |
624dd669 | 1962 | dev_dbg(&link->dev, |
141fa61f JD |
1963 | "ray_cs interrupt network \"%s\" started\n", |
1964 | local->sparm.b4.a_current_ess_id); | |
1965 | } else { | |
624dd669 | 1966 | dev_dbg(&link->dev, |
141fa61f JD |
1967 | "ray_cs interrupt network \"%s\" joined\n", |
1968 | local->sparm.b4.a_current_ess_id); | |
1969 | } | |
1970 | memcpy_fromio(&local->bss_id, | |
1971 | pccs->var.start_network.bssid, | |
1972 | ADDRLEN); | |
1973 | ||
1974 | if (local->fw_ver == 0x55) | |
1975 | local->net_default_tx_rate = 3; | |
1976 | else | |
1977 | local->net_default_tx_rate = | |
1978 | readb(&pccs->var.start_network. | |
1979 | net_default_tx_rate); | |
1980 | local->encryption = | |
1981 | readb(&pccs->var.start_network.encryption); | |
1982 | if (!sniffer && (local->net_type == INFRA) | |
1983 | && !(local->sparm.b4.a_acting_as_ap_status)) { | |
1984 | authenticate(local); | |
1985 | } | |
1986 | local->card_status = CARD_ACQ_COMPLETE; | |
1987 | } else { | |
1988 | local->card_status = CARD_ACQ_FAILED; | |
1989 | ||
1990 | del_timer(&local->timer); | |
1991 | local->timer.expires = jiffies + HZ * 5; | |
1992 | local->timer.data = (long)local; | |
1993 | if (status == CCS_START_NETWORK) { | |
624dd669 | 1994 | dev_dbg(&link->dev, |
141fa61f JD |
1995 | "ray_cs interrupt network \"%s\" start failed\n", |
1996 | local->sparm.b4.a_current_ess_id); | |
1997 | local->timer.function = &start_net; | |
1998 | } else { | |
624dd669 | 1999 | dev_dbg(&link->dev, |
141fa61f JD |
2000 | "ray_cs interrupt network \"%s\" join failed\n", |
2001 | local->sparm.b4.a_current_ess_id); | |
2002 | local->timer.function = &join_net; | |
2003 | } | |
2004 | add_timer(&local->timer); | |
2005 | } | |
2006 | break; | |
2007 | case CCS_START_ASSOCIATION: | |
2008 | if (status == CCS_COMMAND_COMPLETE) { | |
2009 | local->card_status = CARD_ASSOC_COMPLETE; | |
624dd669 | 2010 | dev_dbg(&link->dev, "ray_cs association successful\n"); |
141fa61f | 2011 | } else { |
624dd669 | 2012 | dev_dbg(&link->dev, "ray_cs association failed,\n"); |
141fa61f JD |
2013 | local->card_status = CARD_ASSOC_FAILED; |
2014 | join_net((u_long) local); | |
2015 | } | |
2016 | break; | |
2017 | case CCS_TX_REQUEST: | |
2018 | if (status == CCS_COMMAND_COMPLETE) { | |
624dd669 | 2019 | dev_dbg(&link->dev, |
141fa61f JD |
2020 | "ray_cs interrupt tx request complete\n"); |
2021 | } else { | |
624dd669 | 2022 | dev_dbg(&link->dev, |
141fa61f JD |
2023 | "ray_cs interrupt tx request failed\n"); |
2024 | } | |
2025 | if (!sniffer) | |
2026 | netif_start_queue(dev); | |
2027 | netif_wake_queue(dev); | |
2028 | break; | |
2029 | case CCS_TEST_MEMORY: | |
624dd669 | 2030 | dev_dbg(&link->dev, "ray_cs interrupt mem test done\n"); |
141fa61f JD |
2031 | break; |
2032 | case CCS_SHUTDOWN: | |
624dd669 | 2033 | dev_dbg(&link->dev, |
141fa61f JD |
2034 | "ray_cs interrupt Unexpected CCS returned - Shutdown\n"); |
2035 | break; | |
2036 | case CCS_DUMP_MEMORY: | |
624dd669 | 2037 | dev_dbg(&link->dev, "ray_cs interrupt dump memory done\n"); |
141fa61f JD |
2038 | break; |
2039 | case CCS_START_TIMER: | |
624dd669 | 2040 | dev_dbg(&link->dev, |
141fa61f JD |
2041 | "ray_cs interrupt DING - raylink timer expired\n"); |
2042 | break; | |
2043 | default: | |
624dd669 | 2044 | dev_dbg(&link->dev, |
141fa61f JD |
2045 | "ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n", |
2046 | rcsindex, cmd); | |
2047 | } | |
2048 | writeb(CCS_BUFFER_FREE, &pccs->buffer_status); | |
2049 | } else { /* It's an RCS */ | |
2050 | ||
2051 | prcs = rcs_base(local) + rcsindex; | |
2052 | ||
2053 | switch (readb(&prcs->interrupt_id)) { | |
2054 | case PROCESS_RX_PACKET: | |
2055 | ray_rx(dev, local, prcs); | |
2056 | break; | |
2057 | case REJOIN_NET_COMPLETE: | |
624dd669 | 2058 | dev_dbg(&link->dev, "ray_cs interrupt rejoin net complete\n"); |
141fa61f JD |
2059 | local->card_status = CARD_ACQ_COMPLETE; |
2060 | /* do we need to clear tx buffers CCS's? */ | |
2061 | if (local->sparm.b4.a_network_type == ADHOC) { | |
2062 | if (!sniffer) | |
2063 | netif_start_queue(dev); | |
2064 | } else { | |
2065 | memcpy_fromio(&local->bss_id, | |
2066 | prcs->var.rejoin_net_complete. | |
2067 | bssid, ADDRLEN); | |
624dd669 | 2068 | dev_dbg(&link->dev, |
141fa61f JD |
2069 | "ray_cs new BSSID = %02x%02x%02x%02x%02x%02x\n", |
2070 | local->bss_id[0], local->bss_id[1], | |
2071 | local->bss_id[2], local->bss_id[3], | |
2072 | local->bss_id[4], local->bss_id[5]); | |
2073 | if (!sniffer) | |
2074 | authenticate(local); | |
2075 | } | |
2076 | break; | |
2077 | case ROAMING_INITIATED: | |
624dd669 | 2078 | dev_dbg(&link->dev, "ray_cs interrupt roaming initiated\n"); |
141fa61f JD |
2079 | netif_stop_queue(dev); |
2080 | local->card_status = CARD_DOING_ACQ; | |
2081 | break; | |
2082 | case JAPAN_CALL_SIGN_RXD: | |
624dd669 | 2083 | dev_dbg(&link->dev, "ray_cs interrupt japan call sign rx\n"); |
141fa61f JD |
2084 | break; |
2085 | default: | |
624dd669 | 2086 | dev_dbg(&link->dev, |
141fa61f JD |
2087 | "ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n", |
2088 | rcsindex, | |
2089 | (unsigned int)readb(&prcs->interrupt_id)); | |
2090 | break; | |
2091 | } | |
2092 | writeb(CCS_BUFFER_FREE, &prcs->buffer_status); | |
2093 | } | |
2094 | clear_interrupt(local); | |
2095 | return IRQ_HANDLED; | |
1da177e4 | 2096 | } /* ray_interrupt */ |
141fa61f | 2097 | |
1da177e4 | 2098 | /*===========================================================================*/ |
141fa61f JD |
2099 | static void ray_rx(struct net_device *dev, ray_dev_t *local, |
2100 | struct rcs __iomem *prcs) | |
2101 | { | |
2102 | int rx_len; | |
2103 | unsigned int pkt_addr; | |
2104 | void __iomem *pmsg; | |
624dd669 | 2105 | pr_debug("ray_rx process rx packet\n"); |
141fa61f JD |
2106 | |
2107 | /* Calculate address of packet within Rx buffer */ | |
2108 | pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8) | |
2109 | + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END; | |
2110 | /* Length of first packet fragment */ | |
2111 | rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8) | |
2112 | + readb(&prcs->var.rx_packet.rx_data_length[1]); | |
2113 | ||
2114 | local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev); | |
2115 | pmsg = local->rmem + pkt_addr; | |
2116 | switch (readb(pmsg)) { | |
2117 | case DATA_TYPE: | |
624dd669 | 2118 | pr_debug("ray_rx data type\n"); |
141fa61f JD |
2119 | rx_data(dev, prcs, pkt_addr, rx_len); |
2120 | break; | |
2121 | case AUTHENTIC_TYPE: | |
624dd669 | 2122 | pr_debug("ray_rx authentic type\n"); |
141fa61f JD |
2123 | if (sniffer) |
2124 | rx_data(dev, prcs, pkt_addr, rx_len); | |
2125 | else | |
2126 | rx_authenticate(local, prcs, pkt_addr, rx_len); | |
2127 | break; | |
2128 | case DEAUTHENTIC_TYPE: | |
624dd669 | 2129 | pr_debug("ray_rx deauth type\n"); |
141fa61f JD |
2130 | if (sniffer) |
2131 | rx_data(dev, prcs, pkt_addr, rx_len); | |
2132 | else | |
2133 | rx_deauthenticate(local, prcs, pkt_addr, rx_len); | |
2134 | break; | |
2135 | case NULL_MSG_TYPE: | |
624dd669 | 2136 | pr_debug("ray_cs rx NULL msg\n"); |
141fa61f JD |
2137 | break; |
2138 | case BEACON_TYPE: | |
624dd669 | 2139 | pr_debug("ray_rx beacon type\n"); |
141fa61f JD |
2140 | if (sniffer) |
2141 | rx_data(dev, prcs, pkt_addr, rx_len); | |
2142 | ||
2143 | copy_from_rx_buff(local, (UCHAR *) &local->last_bcn, pkt_addr, | |
2144 | rx_len < sizeof(struct beacon_rx) ? | |
2145 | rx_len : sizeof(struct beacon_rx)); | |
2146 | ||
2147 | local->beacon_rxed = 1; | |
2148 | /* Get the statistics so the card counters never overflow */ | |
2149 | ray_get_stats(dev); | |
2150 | break; | |
2151 | default: | |
624dd669 | 2152 | pr_debug("ray_cs unknown pkt type %2x\n", |
141fa61f JD |
2153 | (unsigned int)readb(pmsg)); |
2154 | break; | |
2155 | } | |
1da177e4 LT |
2156 | |
2157 | } /* end ray_rx */ | |
141fa61f | 2158 | |
1da177e4 | 2159 | /*===========================================================================*/ |
141fa61f JD |
2160 | static void rx_data(struct net_device *dev, struct rcs __iomem *prcs, |
2161 | unsigned int pkt_addr, int rx_len) | |
2162 | { | |
2163 | struct sk_buff *skb = NULL; | |
2164 | struct rcs __iomem *prcslink = prcs; | |
2165 | ray_dev_t *local = netdev_priv(dev); | |
2166 | UCHAR *rx_ptr; | |
2167 | int total_len; | |
2168 | int tmp; | |
1da177e4 | 2169 | #ifdef WIRELESS_SPY |
141fa61f JD |
2170 | int siglev = local->last_rsl; |
2171 | u_char linksrcaddr[ETH_ALEN]; /* Other end of the wireless link */ | |
1da177e4 LT |
2172 | #endif |
2173 | ||
141fa61f JD |
2174 | if (!sniffer) { |
2175 | if (translate) { | |
1da177e4 | 2176 | /* TBD length needs fixing for translated header */ |
141fa61f JD |
2177 | if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) || |
2178 | rx_len > | |
2179 | (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN + | |
2180 | FCS_LEN)) { | |
624dd669 | 2181 | pr_debug( |
cb01b09c | 2182 | "ray_cs invalid packet length %d received\n", |
141fa61f JD |
2183 | rx_len); |
2184 | return; | |
2185 | } | |
2186 | } else { /* encapsulated ethernet */ | |
2187 | ||
2188 | if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) || | |
2189 | rx_len > | |
2190 | (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN + | |
2191 | FCS_LEN)) { | |
624dd669 | 2192 | pr_debug( |
cb01b09c | 2193 | "ray_cs invalid packet length %d received\n", |
141fa61f JD |
2194 | rx_len); |
2195 | return; | |
2196 | } | |
2197 | } | |
2198 | } | |
624dd669 | 2199 | pr_debug("ray_cs rx_data packet\n"); |
141fa61f JD |
2200 | /* If fragmented packet, verify sizes of fragments add up */ |
2201 | if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) { | |
624dd669 | 2202 | pr_debug("ray_cs rx'ed fragment\n"); |
141fa61f JD |
2203 | tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8) |
2204 | + readb(&prcs->var.rx_packet.totalpacketlength[1]); | |
2205 | total_len = tmp; | |
2206 | prcslink = prcs; | |
2207 | do { | |
2208 | tmp -= | |
2209 | (readb(&prcslink->var.rx_packet.rx_data_length[0]) | |
2210 | << 8) | |
2211 | + readb(&prcslink->var.rx_packet.rx_data_length[1]); | |
2212 | if (readb(&prcslink->var.rx_packet.next_frag_rcs_index) | |
2213 | == 0xFF || tmp < 0) | |
2214 | break; | |
2215 | prcslink = rcs_base(local) | |
2216 | + readb(&prcslink->link_field); | |
2217 | } while (1); | |
2218 | ||
2219 | if (tmp < 0) { | |
624dd669 | 2220 | pr_debug( |
141fa61f JD |
2221 | "ray_cs rx_data fragment lengths don't add up\n"); |
2222 | local->stats.rx_dropped++; | |
2223 | release_frag_chain(local, prcs); | |
2224 | return; | |
2225 | } | |
2226 | } else { /* Single unfragmented packet */ | |
2227 | total_len = rx_len; | |
2228 | } | |
2229 | ||
2230 | skb = dev_alloc_skb(total_len + 5); | |
2231 | if (skb == NULL) { | |
624dd669 | 2232 | pr_debug("ray_cs rx_data could not allocate skb\n"); |
141fa61f JD |
2233 | local->stats.rx_dropped++; |
2234 | if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) | |
2235 | release_frag_chain(local, prcs); | |
2236 | return; | |
2237 | } | |
2238 | skb_reserve(skb, 2); /* Align IP on 16 byte (TBD check this) */ | |
2239 | ||
624dd669 | 2240 | pr_debug("ray_cs rx_data total_len = %x, rx_len = %x\n", total_len, |
141fa61f | 2241 | rx_len); |
1da177e4 LT |
2242 | |
2243 | /************************/ | |
141fa61f JD |
2244 | /* Reserve enough room for the whole damn packet. */ |
2245 | rx_ptr = skb_put(skb, total_len); | |
2246 | /* Copy the whole packet to sk_buff */ | |
2247 | rx_ptr += | |
2248 | copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len); | |
2249 | /* Get source address */ | |
1da177e4 | 2250 | #ifdef WIRELESS_SPY |
141fa61f JD |
2251 | skb_copy_from_linear_data_offset(skb, |
2252 | offsetof(struct mac_header, addr_2), | |
2253 | linksrcaddr, ETH_ALEN); | |
1da177e4 | 2254 | #endif |
141fa61f JD |
2255 | /* Now, deal with encapsulation/translation/sniffer */ |
2256 | if (!sniffer) { | |
2257 | if (!translate) { | |
2258 | /* Encapsulated ethernet, so just lop off 802.11 MAC header */ | |
1da177e4 | 2259 | /* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */ |
141fa61f JD |
2260 | skb_pull(skb, RX_MAC_HEADER_LENGTH); |
2261 | } else { | |
2262 | /* Do translation */ | |
2263 | untranslate(local, skb, total_len); | |
2264 | } | |
2265 | } else { /* sniffer mode, so just pass whole packet */ | |
2266 | }; | |
1da177e4 LT |
2267 | |
2268 | /************************/ | |
141fa61f JD |
2269 | /* Now pick up the rest of the fragments if any */ |
2270 | tmp = 17; | |
2271 | if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) { | |
2272 | prcslink = prcs; | |
624dd669 | 2273 | pr_debug("ray_cs rx_data in fragment loop\n"); |
141fa61f JD |
2274 | do { |
2275 | prcslink = rcs_base(local) | |
2276 | + | |
2277 | readb(&prcslink->var.rx_packet.next_frag_rcs_index); | |
2278 | rx_len = | |
2279 | ((readb(&prcslink->var.rx_packet.rx_data_length[0]) | |
2280 | << 8) | |
2281 | + | |
2282 | readb(&prcslink->var.rx_packet.rx_data_length[1])) | |
2283 | & RX_BUFF_END; | |
2284 | pkt_addr = | |
2285 | ((readb(&prcslink->var.rx_packet.rx_data_ptr[0]) << | |
2286 | 8) | |
2287 | + readb(&prcslink->var.rx_packet.rx_data_ptr[1])) | |
2288 | & RX_BUFF_END; | |
2289 | ||
2290 | rx_ptr += | |
2291 | copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len); | |
2292 | ||
2293 | } while (tmp-- && | |
2294 | readb(&prcslink->var.rx_packet.next_frag_rcs_index) != | |
2295 | 0xFF); | |
2296 | release_frag_chain(local, prcs); | |
2297 | } | |
2298 | ||
2299 | skb->protocol = eth_type_trans(skb, dev); | |
2300 | netif_rx(skb); | |
2301 | local->stats.rx_packets++; | |
2302 | local->stats.rx_bytes += total_len; | |
2303 | ||
2304 | /* Gather signal strength per address */ | |
1da177e4 | 2305 | #ifdef WIRELESS_SPY |
141fa61f JD |
2306 | /* For the Access Point or the node having started the ad-hoc net |
2307 | * note : ad-hoc work only in some specific configurations, but we | |
2308 | * kludge in ray_get_wireless_stats... */ | |
2309 | if (!memcmp(linksrcaddr, local->bss_id, ETH_ALEN)) { | |
2310 | /* Update statistics */ | |
2311 | /*local->wstats.qual.qual = none ? */ | |
2312 | local->wstats.qual.level = siglev; | |
2313 | /*local->wstats.qual.noise = none ? */ | |
2314 | local->wstats.qual.updated = 0x2; | |
2315 | } | |
2316 | /* Now, update the spy stuff */ | |
2317 | { | |
2318 | struct iw_quality wstats; | |
2319 | wstats.level = siglev; | |
2320 | /* wstats.noise = none ? */ | |
2321 | /* wstats.qual = none ? */ | |
2322 | wstats.updated = 0x2; | |
2323 | /* Update spy records */ | |
2324 | wireless_spy_update(dev, linksrcaddr, &wstats); | |
2325 | } | |
2326 | #endif /* WIRELESS_SPY */ | |
1da177e4 | 2327 | } /* end rx_data */ |
141fa61f | 2328 | |
1da177e4 LT |
2329 | /*===========================================================================*/ |
2330 | static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len) | |
2331 | { | |
141fa61f JD |
2332 | snaphdr_t *psnap = (snaphdr_t *) (skb->data + RX_MAC_HEADER_LENGTH); |
2333 | struct ieee80211_hdr *pmac = (struct ieee80211_hdr *)skb->data; | |
2334 | __be16 type = *(__be16 *) psnap->ethertype; | |
2335 | int delta; | |
2336 | struct ethhdr *peth; | |
2337 | UCHAR srcaddr[ADDRLEN]; | |
2338 | UCHAR destaddr[ADDRLEN]; | |
2339 | static UCHAR org_bridge[3] = { 0, 0, 0xf8 }; | |
2340 | static UCHAR org_1042[3] = { 0, 0, 0 }; | |
1da177e4 | 2341 | |
141fa61f JD |
2342 | memcpy(destaddr, ieee80211_get_DA(pmac), ADDRLEN); |
2343 | memcpy(srcaddr, ieee80211_get_SA(pmac), ADDRLEN); | |
1da177e4 | 2344 | |
624dd669 DB |
2345 | #if 0 |
2346 | if { | |
ad361c98 JP |
2347 | print_hex_dump(KERN_DEBUG, "skb->data before untranslate: ", |
2348 | DUMP_PREFIX_NONE, 16, 1, | |
2349 | skb->data, 64, true); | |
2350 | printk(KERN_DEBUG | |
141fa61f JD |
2351 | "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n", |
2352 | ntohs(type), psnap->dsap, psnap->ssap, psnap->ctrl, | |
2353 | psnap->org[0], psnap->org[1], psnap->org[2]); | |
2354 | printk(KERN_DEBUG "untranslate skb->data = %p\n", skb->data); | |
2355 | } | |
1da177e4 LT |
2356 | #endif |
2357 | ||
141fa61f JD |
2358 | if (psnap->dsap != 0xaa || psnap->ssap != 0xaa || psnap->ctrl != 3) { |
2359 | /* not a snap type so leave it alone */ | |
624dd669 | 2360 | pr_debug("ray_cs untranslate NOT SNAP %02x %02x %02x\n", |
141fa61f JD |
2361 | psnap->dsap, psnap->ssap, psnap->ctrl); |
2362 | ||
2363 | delta = RX_MAC_HEADER_LENGTH - ETH_HLEN; | |
2364 | peth = (struct ethhdr *)(skb->data + delta); | |
2365 | peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH); | |
2366 | } else { /* Its a SNAP */ | |
2367 | if (memcmp(psnap->org, org_bridge, 3) == 0) { | |
2368 | /* EtherII and nuke the LLC */ | |
624dd669 | 2369 | pr_debug("ray_cs untranslate Bridge encap\n"); |
141fa61f JD |
2370 | delta = RX_MAC_HEADER_LENGTH |
2371 | + sizeof(struct snaphdr_t) - ETH_HLEN; | |
2372 | peth = (struct ethhdr *)(skb->data + delta); | |
2373 | peth->h_proto = type; | |
2374 | } else if (memcmp(psnap->org, org_1042, 3) == 0) { | |
2375 | switch (ntohs(type)) { | |
2376 | case ETH_P_IPX: | |
2377 | case ETH_P_AARP: | |
624dd669 | 2378 | pr_debug("ray_cs untranslate RFC IPX/AARP\n"); |
141fa61f JD |
2379 | delta = RX_MAC_HEADER_LENGTH - ETH_HLEN; |
2380 | peth = (struct ethhdr *)(skb->data + delta); | |
2381 | peth->h_proto = | |
2382 | htons(len - RX_MAC_HEADER_LENGTH); | |
2383 | break; | |
2384 | default: | |
624dd669 | 2385 | pr_debug("ray_cs untranslate RFC default\n"); |
141fa61f JD |
2386 | delta = RX_MAC_HEADER_LENGTH + |
2387 | sizeof(struct snaphdr_t) - ETH_HLEN; | |
2388 | peth = (struct ethhdr *)(skb->data + delta); | |
2389 | peth->h_proto = type; | |
2390 | break; | |
2391 | } | |
2392 | } else { | |
2393 | printk("ray_cs untranslate very confused by packet\n"); | |
2394 | delta = RX_MAC_HEADER_LENGTH - ETH_HLEN; | |
2395 | peth = (struct ethhdr *)(skb->data + delta); | |
2396 | peth->h_proto = type; | |
2397 | } | |
7698d697 | 2398 | } |
1da177e4 | 2399 | /* TBD reserve skb_reserve(skb, delta); */ |
141fa61f | 2400 | skb_pull(skb, delta); |
624dd669 | 2401 | pr_debug("untranslate after skb_pull(%d), skb->data = %p\n", delta, |
141fa61f JD |
2402 | skb->data); |
2403 | memcpy(peth->h_dest, destaddr, ADDRLEN); | |
2404 | memcpy(peth->h_source, srcaddr, ADDRLEN); | |
624dd669 DB |
2405 | #if 0 |
2406 | { | |
141fa61f JD |
2407 | int i; |
2408 | printk(KERN_DEBUG "skb->data after untranslate:"); | |
2409 | for (i = 0; i < 64; i++) | |
2410 | printk("%02x ", skb->data[i]); | |
2411 | printk("\n"); | |
2412 | } | |
1da177e4 LT |
2413 | #endif |
2414 | } /* end untranslate */ | |
141fa61f | 2415 | |
1da177e4 LT |
2416 | /*===========================================================================*/ |
2417 | /* Copy data from circular receive buffer to PC memory. | |
2418 | * dest = destination address in PC memory | |
2419 | * pkt_addr = source address in receive buffer | |
2420 | * len = length of packet to copy | |
2421 | */ | |
141fa61f JD |
2422 | static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, |
2423 | int length) | |
2424 | { | |
2425 | int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1); | |
2426 | if (wrap_bytes <= 0) { | |
2427 | memcpy_fromio(dest, local->rmem + pkt_addr, length); | |
2428 | } else { /* Packet wrapped in circular buffer */ | |
2429 | ||
2430 | memcpy_fromio(dest, local->rmem + pkt_addr, | |
2431 | length - wrap_bytes); | |
2432 | memcpy_fromio(dest + length - wrap_bytes, local->rmem, | |
2433 | wrap_bytes); | |
2434 | } | |
2435 | return length; | |
1da177e4 | 2436 | } |
141fa61f | 2437 | |
1da177e4 | 2438 | /*===========================================================================*/ |
141fa61f JD |
2439 | static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs) |
2440 | { | |
2441 | struct rcs __iomem *prcslink = prcs; | |
2442 | int tmp = 17; | |
2443 | unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index); | |
2444 | ||
2445 | while (tmp--) { | |
2446 | writeb(CCS_BUFFER_FREE, &prcslink->buffer_status); | |
2447 | if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) { | |
624dd669 | 2448 | pr_debug("ray_cs interrupt bad rcsindex = 0x%x\n", |
141fa61f JD |
2449 | rcsindex); |
2450 | break; | |
2451 | } | |
2452 | prcslink = rcs_base(local) + rcsindex; | |
2453 | rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index); | |
2454 | } | |
2455 | writeb(CCS_BUFFER_FREE, &prcslink->buffer_status); | |
1da177e4 | 2456 | } |
141fa61f | 2457 | |
1da177e4 LT |
2458 | /*===========================================================================*/ |
2459 | static void authenticate(ray_dev_t *local) | |
2460 | { | |
141fa61f | 2461 | struct pcmcia_device *link = local->finder; |
624dd669 | 2462 | dev_dbg(&link->dev, "ray_cs Starting authentication.\n"); |
141fa61f | 2463 | if (!(pcmcia_dev_present(link))) { |
624dd669 | 2464 | dev_dbg(&link->dev, "ray_cs authenticate - device not present\n"); |
141fa61f JD |
2465 | return; |
2466 | } | |
2467 | ||
2468 | del_timer(&local->timer); | |
2469 | if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) { | |
2470 | local->timer.function = &join_net; | |
2471 | } else { | |
2472 | local->timer.function = &authenticate_timeout; | |
2473 | } | |
2474 | local->timer.expires = jiffies + HZ * 2; | |
2475 | local->timer.data = (long)local; | |
2476 | add_timer(&local->timer); | |
2477 | local->authentication_state = AWAITING_RESPONSE; | |
1da177e4 | 2478 | } /* end authenticate */ |
141fa61f | 2479 | |
1da177e4 LT |
2480 | /*===========================================================================*/ |
2481 | static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs, | |
141fa61f JD |
2482 | unsigned int pkt_addr, int rx_len) |
2483 | { | |
2484 | UCHAR buff[256]; | |
2485 | struct rx_msg *msg = (struct rx_msg *)buff; | |
2486 | ||
2487 | del_timer(&local->timer); | |
2488 | ||
2489 | copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff); | |
2490 | /* if we are trying to get authenticated */ | |
2491 | if (local->sparm.b4.a_network_type == ADHOC) { | |
624dd669 | 2492 | pr_debug("ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n", |
141fa61f JD |
2493 | msg->var[0], msg->var[1], msg->var[2], msg->var[3], |
2494 | msg->var[4], msg->var[5]); | |
2495 | if (msg->var[2] == 1) { | |
624dd669 | 2496 | pr_debug("ray_cs Sending authentication response.\n"); |
141fa61f JD |
2497 | if (!build_auth_frame |
2498 | (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) { | |
2499 | local->authentication_state = NEED_TO_AUTH; | |
2500 | memcpy(local->auth_id, msg->mac.addr_2, | |
2501 | ADDRLEN); | |
2502 | } | |
2503 | } | |
2504 | } else { /* Infrastructure network */ | |
2505 | ||
2506 | if (local->authentication_state == AWAITING_RESPONSE) { | |
2507 | /* Verify authentication sequence #2 and success */ | |
2508 | if (msg->var[2] == 2) { | |
2509 | if ((msg->var[3] | msg->var[4]) == 0) { | |
624dd669 | 2510 | pr_debug("Authentication successful\n"); |
141fa61f JD |
2511 | local->card_status = CARD_AUTH_COMPLETE; |
2512 | associate(local); | |
2513 | local->authentication_state = | |
2514 | AUTHENTICATED; | |
2515 | } else { | |
624dd669 | 2516 | pr_debug("Authentication refused\n"); |
141fa61f JD |
2517 | local->card_status = CARD_AUTH_REFUSED; |
2518 | join_net((u_long) local); | |
2519 | local->authentication_state = | |
2520 | UNAUTHENTICATED; | |
2521 | } | |
2522 | } | |
2523 | } | |
2524 | } | |
1da177e4 LT |
2525 | |
2526 | } /* end rx_authenticate */ | |
141fa61f | 2527 | |
1da177e4 LT |
2528 | /*===========================================================================*/ |
2529 | static void associate(ray_dev_t *local) | |
2530 | { | |
141fa61f JD |
2531 | struct ccs __iomem *pccs; |
2532 | struct pcmcia_device *link = local->finder; | |
2533 | struct net_device *dev = link->priv; | |
2534 | int ccsindex; | |
2535 | if (!(pcmcia_dev_present(link))) { | |
624dd669 | 2536 | dev_dbg(&link->dev, "ray_cs associate - device not present\n"); |
141fa61f JD |
2537 | return; |
2538 | } | |
2539 | /* If no tx buffers available, return */ | |
2540 | if ((ccsindex = get_free_ccs(local)) < 0) { | |
1da177e4 | 2541 | /* TBD should never be here but... what if we are? */ |
624dd669 | 2542 | dev_dbg(&link->dev, "ray_cs associate - No free ccs\n"); |
141fa61f JD |
2543 | return; |
2544 | } | |
624dd669 | 2545 | dev_dbg(&link->dev, "ray_cs Starting association with access point\n"); |
141fa61f JD |
2546 | pccs = ccs_base(local) + ccsindex; |
2547 | /* fill in the CCS */ | |
2548 | writeb(CCS_START_ASSOCIATION, &pccs->cmd); | |
2549 | /* Interrupt the firmware to process the command */ | |
2550 | if (interrupt_ecf(local, ccsindex)) { | |
624dd669 | 2551 | dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n"); |
141fa61f JD |
2552 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); |
2553 | ||
2554 | del_timer(&local->timer); | |
2555 | local->timer.expires = jiffies + HZ * 2; | |
2556 | local->timer.data = (long)local; | |
2557 | local->timer.function = &join_net; | |
2558 | add_timer(&local->timer); | |
2559 | local->card_status = CARD_ASSOC_FAILED; | |
2560 | return; | |
2561 | } | |
2562 | if (!sniffer) | |
2563 | netif_start_queue(dev); | |
1da177e4 LT |
2564 | |
2565 | } /* end associate */ | |
141fa61f | 2566 | |
1da177e4 | 2567 | /*===========================================================================*/ |
141fa61f JD |
2568 | static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs, |
2569 | unsigned int pkt_addr, int rx_len) | |
1da177e4 LT |
2570 | { |
2571 | /* UCHAR buff[256]; | |
2572 | struct rx_msg *msg = (struct rx_msg *)buff; | |
2573 | */ | |
624dd669 | 2574 | pr_debug("Deauthentication frame received\n"); |
141fa61f JD |
2575 | local->authentication_state = UNAUTHENTICATED; |
2576 | /* Need to reauthenticate or rejoin depending on reason code */ | |
1da177e4 LT |
2577 | /* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff); |
2578 | */ | |
2579 | } | |
141fa61f | 2580 | |
1da177e4 LT |
2581 | /*===========================================================================*/ |
2582 | static void clear_interrupt(ray_dev_t *local) | |
2583 | { | |
141fa61f | 2584 | writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET); |
1da177e4 | 2585 | } |
141fa61f | 2586 | |
1da177e4 LT |
2587 | /*===========================================================================*/ |
2588 | #ifdef CONFIG_PROC_FS | |
2589 | #define MAXDATA (PAGE_SIZE - 80) | |
2590 | ||
2591 | static char *card_status[] = { | |
141fa61f JD |
2592 | "Card inserted - uninitialized", /* 0 */ |
2593 | "Card not downloaded", /* 1 */ | |
2594 | "Waiting for download parameters", /* 2 */ | |
2595 | "Card doing acquisition", /* 3 */ | |
2596 | "Acquisition complete", /* 4 */ | |
2597 | "Authentication complete", /* 5 */ | |
2598 | "Association complete", /* 6 */ | |
2599 | "???", "???", "???", "???", /* 7 8 9 10 undefined */ | |
2600 | "Card init error", /* 11 */ | |
2601 | "Download parameters error", /* 12 */ | |
2602 | "???", /* 13 */ | |
2603 | "Acquisition failed", /* 14 */ | |
2604 | "Authentication refused", /* 15 */ | |
2605 | "Association failed" /* 16 */ | |
1da177e4 LT |
2606 | }; |
2607 | ||
141fa61f JD |
2608 | static char *nettype[] = { "Adhoc", "Infra " }; |
2609 | static char *framing[] = { "Encapsulation", "Translation" } | |
2610 | ||
1da177e4 LT |
2611 | ; |
2612 | /*===========================================================================*/ | |
6b914c52 | 2613 | static int ray_cs_proc_show(struct seq_file *m, void *v) |
1da177e4 LT |
2614 | { |
2615 | /* Print current values which are not available via other means | |
141fa61f | 2616 | * eg ifconfig |
1da177e4 | 2617 | */ |
141fa61f JD |
2618 | int i; |
2619 | struct pcmcia_device *link; | |
2620 | struct net_device *dev; | |
2621 | ray_dev_t *local; | |
2622 | UCHAR *p; | |
2623 | struct freq_hop_element *pfh; | |
2624 | UCHAR c[33]; | |
2625 | ||
2626 | link = this_device; | |
2627 | if (!link) | |
2628 | return 0; | |
2629 | dev = (struct net_device *)link->priv; | |
2630 | if (!dev) | |
2631 | return 0; | |
2632 | local = netdev_priv(dev); | |
2633 | if (!local) | |
2634 | return 0; | |
2635 | ||
2636 | seq_puts(m, "Raylink Wireless LAN driver status\n"); | |
2637 | seq_printf(m, "%s\n", rcsid); | |
2638 | /* build 4 does not report version, and field is 0x55 after memtest */ | |
2639 | seq_puts(m, "Firmware version = "); | |
2640 | if (local->fw_ver == 0x55) | |
2641 | seq_puts(m, "4 - Use dump_cis for more details\n"); | |
2642 | else | |
2643 | seq_printf(m, "%2d.%02d.%02d\n", | |
2644 | local->fw_ver, local->fw_bld, local->fw_var); | |
2645 | ||
2646 | for (i = 0; i < 32; i++) | |
2647 | c[i] = local->sparm.b5.a_current_ess_id[i]; | |
2648 | c[32] = 0; | |
2649 | seq_printf(m, "%s network ESSID = \"%s\"\n", | |
2650 | nettype[local->sparm.b5.a_network_type], c); | |
2651 | ||
2652 | p = local->bss_id; | |
2653 | seq_printf(m, "BSSID = %pM\n", p); | |
2654 | ||
2655 | seq_printf(m, "Country code = %d\n", | |
2656 | local->sparm.b5.a_curr_country_code); | |
2657 | ||
2658 | i = local->card_status; | |
2659 | if (i < 0) | |
2660 | i = 10; | |
2661 | if (i > 16) | |
2662 | i = 10; | |
2663 | seq_printf(m, "Card status = %s\n", card_status[i]); | |
2664 | ||
2665 | seq_printf(m, "Framing mode = %s\n", framing[translate]); | |
2666 | ||
2667 | seq_printf(m, "Last pkt signal lvl = %d\n", local->last_rsl); | |
2668 | ||
2669 | if (local->beacon_rxed) { | |
2670 | /* Pull some fields out of last beacon received */ | |
2671 | seq_printf(m, "Beacon Interval = %d Kus\n", | |
2672 | local->last_bcn.beacon_intvl[0] | |
2673 | + 256 * local->last_bcn.beacon_intvl[1]); | |
2674 | ||
2675 | p = local->last_bcn.elements; | |
2676 | if (p[0] == C_ESSID_ELEMENT_ID) | |
2677 | p += p[1] + 2; | |
2678 | else { | |
2679 | seq_printf(m, | |
2680 | "Parse beacon failed at essid element id = %d\n", | |
2681 | p[0]); | |
2682 | return 0; | |
2683 | } | |
2684 | ||
2685 | if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) { | |
2686 | seq_puts(m, "Supported rate codes = "); | |
2687 | for (i = 2; i < p[1] + 2; i++) | |
2688 | seq_printf(m, "0x%02x ", p[i]); | |
2689 | seq_putc(m, '\n'); | |
2690 | p += p[1] + 2; | |
2691 | } else { | |
2692 | seq_puts(m, "Parse beacon failed at rates element\n"); | |
2693 | return 0; | |
2694 | } | |
2695 | ||
2696 | if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) { | |
2697 | pfh = (struct freq_hop_element *)p; | |
2698 | seq_printf(m, "Hop dwell = %d Kus\n", | |
2699 | pfh->dwell_time[0] + | |
2700 | 256 * pfh->dwell_time[1]); | |
cb01b09c | 2701 | seq_printf(m, "Hop set = %d\n", |
141fa61f | 2702 | pfh->hop_set); |
cb01b09c | 2703 | seq_printf(m, "Hop pattern = %d\n", |
141fa61f | 2704 | pfh->hop_pattern); |
cb01b09c | 2705 | seq_printf(m, "Hop index = %d\n", |
141fa61f JD |
2706 | pfh->hop_index); |
2707 | p += p[1] + 2; | |
2708 | } else { | |
2709 | seq_puts(m, | |
2710 | "Parse beacon failed at FH param element\n"); | |
2711 | return 0; | |
2712 | } | |
2713 | } else { | |
2714 | seq_puts(m, "No beacons received\n"); | |
1da177e4 | 2715 | } |
141fa61f | 2716 | return 0; |
1da177e4 LT |
2717 | } |
2718 | ||
6b914c52 AD |
2719 | static int ray_cs_proc_open(struct inode *inode, struct file *file) |
2720 | { | |
2721 | return single_open(file, ray_cs_proc_show, NULL); | |
2722 | } | |
2723 | ||
2724 | static const struct file_operations ray_cs_proc_fops = { | |
141fa61f JD |
2725 | .owner = THIS_MODULE, |
2726 | .open = ray_cs_proc_open, | |
2727 | .read = seq_read, | |
2728 | .llseek = seq_lseek, | |
2729 | .release = single_release, | |
6b914c52 | 2730 | }; |
1da177e4 LT |
2731 | #endif |
2732 | /*===========================================================================*/ | |
2733 | static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type) | |
2734 | { | |
141fa61f JD |
2735 | int addr; |
2736 | struct ccs __iomem *pccs; | |
2737 | struct tx_msg __iomem *ptx; | |
2738 | int ccsindex; | |
2739 | ||
2740 | /* If no tx buffers available, return */ | |
2741 | if ((ccsindex = get_free_tx_ccs(local)) < 0) { | |
624dd669 | 2742 | pr_debug("ray_cs send authenticate - No free tx ccs\n"); |
141fa61f JD |
2743 | return -1; |
2744 | } | |
2745 | ||
2746 | pccs = ccs_base(local) + ccsindex; | |
2747 | ||
2748 | /* Address in card space */ | |
2749 | addr = TX_BUF_BASE + (ccsindex << 11); | |
2750 | /* fill in the CCS */ | |
2751 | writeb(CCS_TX_REQUEST, &pccs->cmd); | |
2752 | writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr); | |
2753 | writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1); | |
2754 | writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length); | |
2755 | writeb(TX_AUTHENTICATE_LENGTH_LSB, | |
2756 | pccs->var.tx_request.tx_data_length + 1); | |
2757 | writeb(0, &pccs->var.tx_request.pow_sav_mode); | |
2758 | ||
2759 | ptx = local->sram + addr; | |
2760 | /* fill in the mac header */ | |
2761 | writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1); | |
2762 | writeb(0, &ptx->mac.frame_ctl_2); | |
2763 | ||
2764 | memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN); | |
2765 | memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN); | |
2766 | memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN); | |
2767 | ||
2768 | /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */ | |
2769 | memset_io(ptx->var, 0, 6); | |
2770 | writeb(auth_type & 0xff, ptx->var + 2); | |
2771 | ||
2772 | /* Interrupt the firmware to process the command */ | |
2773 | if (interrupt_ecf(local, ccsindex)) { | |
624dd669 | 2774 | pr_debug( |
141fa61f JD |
2775 | "ray_cs send authentication request failed - ECF not ready for intr\n"); |
2776 | writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); | |
2777 | return -1; | |
2778 | } | |
2779 | return 0; | |
1da177e4 LT |
2780 | } /* End build_auth_frame */ |
2781 | ||
2782 | /*===========================================================================*/ | |
2783 | #ifdef CONFIG_PROC_FS | |
83daee06 AD |
2784 | static ssize_t ray_cs_essid_proc_write(struct file *file, |
2785 | const char __user *buffer, size_t count, loff_t *pos) | |
1da177e4 LT |
2786 | { |
2787 | static char proc_essid[33]; | |
575c9ed7 | 2788 | unsigned int len = count; |
1da177e4 LT |
2789 | |
2790 | if (len > 32) | |
2791 | len = 32; | |
2792 | memset(proc_essid, 0, 33); | |
2793 | if (copy_from_user(proc_essid, buffer, len)) | |
2794 | return -EFAULT; | |
2795 | essid = proc_essid; | |
2796 | return count; | |
2797 | } | |
2798 | ||
83daee06 AD |
2799 | static const struct file_operations ray_cs_essid_proc_fops = { |
2800 | .owner = THIS_MODULE, | |
2801 | .write = ray_cs_essid_proc_write, | |
2802 | }; | |
2803 | ||
2804 | static ssize_t int_proc_write(struct file *file, const char __user *buffer, | |
2805 | size_t count, loff_t *pos) | |
1da177e4 LT |
2806 | { |
2807 | static char proc_number[10]; | |
2808 | char *p; | |
2809 | int nr, len; | |
2810 | ||
2811 | if (!count) | |
2812 | return 0; | |
2813 | ||
2814 | if (count > 9) | |
2815 | return -EINVAL; | |
2816 | if (copy_from_user(proc_number, buffer, count)) | |
2817 | return -EFAULT; | |
2818 | p = proc_number; | |
2819 | nr = 0; | |
2820 | len = count; | |
2821 | do { | |
2822 | unsigned int c = *p - '0'; | |
2823 | if (c > 9) | |
2824 | return -EINVAL; | |
141fa61f | 2825 | nr = nr * 10 + c; |
1da177e4 LT |
2826 | p++; |
2827 | } while (--len); | |
83daee06 | 2828 | *(int *)PDE(file->f_path.dentry->d_inode)->data = nr; |
1da177e4 LT |
2829 | return count; |
2830 | } | |
83daee06 AD |
2831 | |
2832 | static const struct file_operations int_proc_fops = { | |
2833 | .owner = THIS_MODULE, | |
2834 | .write = int_proc_write, | |
2835 | }; | |
1da177e4 LT |
2836 | #endif |
2837 | ||
f57ea2a2 DB |
2838 | static struct pcmcia_device_id ray_ids[] = { |
2839 | PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000), | |
2840 | PCMCIA_DEVICE_NULL, | |
2841 | }; | |
141fa61f | 2842 | |
f57ea2a2 DB |
2843 | MODULE_DEVICE_TABLE(pcmcia, ray_ids); |
2844 | ||
1da177e4 | 2845 | static struct pcmcia_driver ray_driver = { |
141fa61f JD |
2846 | .owner = THIS_MODULE, |
2847 | .drv = { | |
2848 | .name = "ray_cs", | |
2849 | }, | |
2850 | .probe = ray_probe, | |
2851 | .remove = ray_detach, | |
2852 | .id_table = ray_ids, | |
2853 | .suspend = ray_suspend, | |
2854 | .resume = ray_resume, | |
1da177e4 LT |
2855 | }; |
2856 | ||
2857 | static int __init init_ray_cs(void) | |
2858 | { | |
141fa61f JD |
2859 | int rc; |
2860 | ||
624dd669 | 2861 | pr_debug("%s\n", rcsid); |
141fa61f | 2862 | rc = pcmcia_register_driver(&ray_driver); |
624dd669 | 2863 | pr_debug("raylink init_module register_pcmcia_driver returns 0x%x\n", |
141fa61f | 2864 | rc); |
1da177e4 LT |
2865 | |
2866 | #ifdef CONFIG_PROC_FS | |
141fa61f | 2867 | proc_mkdir("driver/ray_cs", NULL); |
1da177e4 | 2868 | |
141fa61f | 2869 | proc_create("driver/ray_cs/ray_cs", 0, NULL, &ray_cs_proc_fops); |
83daee06 AD |
2870 | proc_create("driver/ray_cs/essid", S_IWUSR, NULL, &ray_cs_essid_proc_fops); |
2871 | proc_create_data("driver/ray_cs/net_type", S_IWUSR, NULL, &int_proc_fops, &net_type); | |
2872 | proc_create_data("driver/ray_cs/translate", S_IWUSR, NULL, &int_proc_fops, &translate); | |
1da177e4 | 2873 | #endif |
141fa61f JD |
2874 | if (translate != 0) |
2875 | translate = 1; | |
2876 | return 0; | |
1da177e4 LT |
2877 | } /* init_ray_cs */ |
2878 | ||
2879 | /*===========================================================================*/ | |
2880 | ||
2881 | static void __exit exit_ray_cs(void) | |
2882 | { | |
624dd669 | 2883 | pr_debug("ray_cs: cleanup_module\n"); |
1da177e4 LT |
2884 | |
2885 | #ifdef CONFIG_PROC_FS | |
141fa61f JD |
2886 | remove_proc_entry("driver/ray_cs/ray_cs", NULL); |
2887 | remove_proc_entry("driver/ray_cs/essid", NULL); | |
2888 | remove_proc_entry("driver/ray_cs/net_type", NULL); | |
2889 | remove_proc_entry("driver/ray_cs/translate", NULL); | |
2890 | remove_proc_entry("driver/ray_cs", NULL); | |
1da177e4 LT |
2891 | #endif |
2892 | ||
141fa61f | 2893 | pcmcia_unregister_driver(&ray_driver); |
1da177e4 LT |
2894 | } /* exit_ray_cs */ |
2895 | ||
2896 | module_init(init_ray_cs); | |
2897 | module_exit(exit_ray_cs); | |
2898 | ||
2899 | /*===========================================================================*/ |