1 /* Encapsulate basic setting changes and retrieval on Hermes hardware
3 * See copyright notice in main.c
5 #include <linux/kernel.h>
6 #include <linux/device.h>
7 #include <linux/if_arp.h>
8 #include <linux/ieee80211.h>
9 #include <linux/wireless.h>
10 #include <net/cfg80211.h>
12 #include "hermes_rid.h"
17 #define SYMBOL_MAX_VER_LEN (14)
19 /* Symbol firmware has a bug allocating buffers larger than this */
20 #define TX_NICBUF_SIZE_BUG 1585
22 /********************************************************************/
24 /********************************************************************/
26 /* This tables gives the actual meanings of the bitrate IDs returned
29 int bitrate; /* in 100s of kilobits */
32 u16 intersil_txratectrl;
34 {110, 1, 3, 15}, /* Entry 0 is the default */
43 #define BITRATE_TABLE_SIZE ARRAY_SIZE(bitrate_table)
45 /* Firmware version encoding */
47 u16 id, variant, major, minor;
48 } __attribute__ ((packed));
50 static inline fwtype_t determine_firmware_type(struct comp_id *nic_id)
52 if (nic_id->id < 0x8000)
53 return FIRMWARE_TYPE_AGERE;
54 else if (nic_id->id == 0x8000 && nic_id->major == 0)
55 return FIRMWARE_TYPE_SYMBOL;
57 return FIRMWARE_TYPE_INTERSIL;
60 /* Set priv->firmware type, determine firmware properties
61 * This function can be called before we have registerred with netdev,
62 * so all errors go out with dev_* rather than printk
64 * If non-NULL stores a firmware description in fw_name.
65 * If non-NULL stores a HW version in hw_ver
67 * These are output via generic cfg80211 ethtool support.
69 int determine_fw_capabilities(struct orinoco_private *priv,
70 char *fw_name, size_t fw_name_len,
73 struct device *dev = priv->dev;
74 hermes_t *hw = &priv->hw;
76 struct comp_id nic_id, sta_id;
78 char tmp[SYMBOL_MAX_VER_LEN+1] __attribute__((aligned(2)));
80 /* Get the hardware version */
81 err = HERMES_READ_RECORD(hw, USER_BAP, HERMES_RID_NICID, &nic_id);
83 dev_err(dev, "Cannot read hardware identity: error %d\n",
88 le16_to_cpus(&nic_id.id);
89 le16_to_cpus(&nic_id.variant);
90 le16_to_cpus(&nic_id.major);
91 le16_to_cpus(&nic_id.minor);
92 dev_info(dev, "Hardware identity %04x:%04x:%04x:%04x\n",
93 nic_id.id, nic_id.variant, nic_id.major, nic_id.minor);
96 *hw_ver = (((nic_id.id & 0xff) << 24) |
97 ((nic_id.variant & 0xff) << 16) |
98 ((nic_id.major & 0xff) << 8) |
99 (nic_id.minor & 0xff));
101 priv->firmware_type = determine_firmware_type(&nic_id);
103 /* Get the firmware version */
104 err = HERMES_READ_RECORD(hw, USER_BAP, HERMES_RID_STAID, &sta_id);
106 dev_err(dev, "Cannot read station identity: error %d\n",
111 le16_to_cpus(&sta_id.id);
112 le16_to_cpus(&sta_id.variant);
113 le16_to_cpus(&sta_id.major);
114 le16_to_cpus(&sta_id.minor);
115 dev_info(dev, "Station identity %04x:%04x:%04x:%04x\n",
116 sta_id.id, sta_id.variant, sta_id.major, sta_id.minor);
120 dev_err(dev, "Primary firmware is active\n");
123 dev_err(dev, "Tertiary firmware is active\n");
125 case 0x1f: /* Intersil, Agere, Symbol Spectrum24 */
126 case 0x21: /* Symbol Spectrum24 Trilogy */
129 dev_notice(dev, "Unknown station ID, please report\n");
133 /* Default capabilities */
134 priv->has_sensitivity = 1;
136 priv->has_preamble = 0;
140 priv->has_big_wep = 0;
141 priv->has_alt_txcntl = 0;
142 priv->has_ext_scan = 0;
144 priv->do_fw_download = 0;
146 /* Determine capabilities from the firmware version */
147 switch (priv->firmware_type) {
148 case FIRMWARE_TYPE_AGERE:
149 /* Lucent Wavelan IEEE, Lucent Orinoco, Cabletron RoamAbout,
150 ELSA, Melco, HP, IBM, Dell 1150, Compaq 110/210 */
152 snprintf(fw_name, fw_name_len, "Lucent/Agere %d.%02d",
153 sta_id.major, sta_id.minor);
155 firmver = ((unsigned long)sta_id.major << 16) | sta_id.minor;
157 priv->has_ibss = (firmver >= 0x60006);
158 priv->has_wep = (firmver >= 0x40020);
159 priv->has_big_wep = 1; /* FIXME: this is wrong - how do we tell
160 Gold cards from the others? */
161 priv->has_mwo = (firmver >= 0x60000);
162 priv->has_pm = (firmver >= 0x40020); /* Don't work in 7.52 ? */
164 priv->has_hostscan = (firmver >= 0x8000a);
165 priv->do_fw_download = 1;
166 priv->broken_monitor = (firmver >= 0x80000);
167 priv->has_alt_txcntl = (firmver >= 0x90000); /* All 9.x ? */
168 priv->has_ext_scan = (firmver >= 0x90000); /* All 9.x ? */
169 priv->has_wpa = (firmver >= 0x9002a);
170 /* Tested with Agere firmware :
171 * 1.16 ; 4.08 ; 4.52 ; 6.04 ; 6.16 ; 7.28 => Jean II
172 * Tested CableTron firmware : 4.32 => Anton */
174 case FIRMWARE_TYPE_SYMBOL:
175 /* Symbol , 3Com AirConnect, Intel, Ericsson WLAN */
176 /* Intel MAC : 00:02:B3:* */
177 /* 3Com MAC : 00:50:DA:* */
178 memset(tmp, 0, sizeof(tmp));
179 /* Get the Symbol firmware version */
180 err = hermes_read_ltv(hw, USER_BAP,
181 HERMES_RID_SECONDARYVERSION_SYMBOL,
182 SYMBOL_MAX_VER_LEN, NULL, &tmp);
184 dev_warn(dev, "Error %d reading Symbol firmware info. "
185 "Wildly guessing capabilities...\n", err);
189 /* The firmware revision is a string, the format is
190 * something like : "V2.20-01".
191 * Quick and dirty parsing... - Jean II
193 firmver = ((tmp[1] - '0') << 16)
194 | ((tmp[3] - '0') << 12)
195 | ((tmp[4] - '0') << 8)
196 | ((tmp[6] - '0') << 4)
199 tmp[SYMBOL_MAX_VER_LEN] = '\0';
203 snprintf(fw_name, fw_name_len, "Symbol %s", tmp);
205 priv->has_ibss = (firmver >= 0x20000);
206 priv->has_wep = (firmver >= 0x15012);
207 priv->has_big_wep = (firmver >= 0x20000);
208 priv->has_pm = (firmver >= 0x20000 && firmver < 0x22000) ||
209 (firmver >= 0x29000 && firmver < 0x30000) ||
211 priv->has_preamble = (firmver >= 0x20000);
214 /* Symbol firmware is found on various cards, but
215 * there has been no attempt to check firmware
216 * download on non-spectrum_cs based cards.
218 * Given that the Agere firmware download works
219 * differently, we should avoid doing a firmware
220 * download with the Symbol algorithm on non-spectrum
223 * For now we can identify a spectrum_cs based card
224 * because it has a firmware reset function.
226 priv->do_fw_download = (priv->stop_fw != NULL);
228 priv->broken_disableport = (firmver == 0x25013) ||
229 (firmver >= 0x30000 && firmver <= 0x31000);
230 priv->has_hostscan = (firmver >= 0x31001) ||
231 (firmver >= 0x29057 && firmver < 0x30000);
232 /* Tested with Intel firmware : 0x20015 => Jean II */
233 /* Tested with 3Com firmware : 0x15012 & 0x22001 => Jean II */
235 case FIRMWARE_TYPE_INTERSIL:
236 /* D-Link, Linksys, Adtron, ZoomAir, and many others...
237 * Samsung, Compaq 100/200 and Proxim are slightly
238 * different and less well tested */
239 /* D-Link MAC : 00:40:05:* */
240 /* Addtron MAC : 00:90:D1:* */
242 snprintf(fw_name, fw_name_len, "Intersil %d.%d.%d",
243 sta_id.major, sta_id.minor, sta_id.variant);
245 firmver = ((unsigned long)sta_id.major << 16) |
246 ((unsigned long)sta_id.minor << 8) | sta_id.variant;
248 priv->has_ibss = (firmver >= 0x000700); /* FIXME */
249 priv->has_big_wep = priv->has_wep = (firmver >= 0x000800);
250 priv->has_pm = (firmver >= 0x000700);
251 priv->has_hostscan = (firmver >= 0x010301);
253 if (firmver >= 0x000800)
256 dev_notice(dev, "Intersil firmware earlier than v0.8.x"
257 " - several features not supported\n");
263 dev_info(dev, "Firmware determined as %s\n", fw_name);
268 /* Read settings from EEPROM into our private structure.
269 * MAC address gets dropped into callers buffer
270 * Can be called before netdev registration.
272 int orinoco_hw_read_card_settings(struct orinoco_private *priv, u8 *dev_addr)
274 struct device *dev = priv->dev;
275 struct hermes_idstring nickbuf;
276 hermes_t *hw = &priv->hw;
281 /* Get the MAC address */
282 err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_CNFOWNMACADDR,
283 ETH_ALEN, NULL, dev_addr);
285 dev_warn(dev, "Failed to read MAC address!\n");
289 dev_dbg(dev, "MAC address %pM\n", dev_addr);
291 /* Get the station name */
292 err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_CNFOWNNAME,
293 sizeof(nickbuf), &reclen, &nickbuf);
295 dev_err(dev, "failed to read station name\n");
299 len = min(IW_ESSID_MAX_SIZE, (int)le16_to_cpu(nickbuf.len));
301 len = min(IW_ESSID_MAX_SIZE, 2 * reclen);
302 memcpy(priv->nick, &nickbuf.val, len);
303 priv->nick[len] = '\0';
305 dev_dbg(dev, "Station name \"%s\"\n", priv->nick);
307 /* Get allowed channels */
308 err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CHANNELLIST,
309 &priv->channel_mask);
311 dev_err(dev, "Failed to read channel list!\n");
315 /* Get initial AP density */
316 err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CNFSYSTEMSCALE,
318 if (err || priv->ap_density < 1 || priv->ap_density > 3)
319 priv->has_sensitivity = 0;
321 /* Get initial RTS threshold */
322 err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CNFRTSTHRESHOLD,
325 dev_err(dev, "Failed to read RTS threshold!\n");
329 /* Get initial fragmentation settings */
331 err = hermes_read_wordrec(hw, USER_BAP,
332 HERMES_RID_CNFMWOROBUST_AGERE,
335 err = hermes_read_wordrec(hw, USER_BAP,
336 HERMES_RID_CNFFRAGMENTATIONTHRESHOLD,
339 dev_err(dev, "Failed to read fragmentation settings!\n");
343 /* Power management setup */
347 err = hermes_read_wordrec(hw, USER_BAP,
348 HERMES_RID_CNFMAXSLEEPDURATION,
351 dev_err(dev, "Failed to read power management "
355 err = hermes_read_wordrec(hw, USER_BAP,
356 HERMES_RID_CNFPMHOLDOVERDURATION,
359 dev_err(dev, "Failed to read power management "
366 if (priv->has_preamble) {
367 err = hermes_read_wordrec(hw, USER_BAP,
368 HERMES_RID_CNFPREAMBLE_SYMBOL,
376 /* Can be called before netdev registration */
377 int orinoco_hw_allocate_fid(struct orinoco_private *priv)
379 struct device *dev = priv->dev;
380 struct hermes *hw = &priv->hw;
383 err = hermes_allocate(hw, priv->nicbuf_size, &priv->txfid);
384 if (err == -EIO && priv->nicbuf_size > TX_NICBUF_SIZE_BUG) {
385 /* Try workaround for old Symbol firmware bug */
386 priv->nicbuf_size = TX_NICBUF_SIZE_BUG;
387 err = hermes_allocate(hw, priv->nicbuf_size, &priv->txfid);
389 dev_warn(dev, "Firmware ALLOC bug detected "
390 "(old Symbol firmware?). Work around %s\n",
391 err ? "failed!" : "ok.");
397 int orinoco_get_bitratemode(int bitrate, int automatic)
402 if ((bitrate != 10) && (bitrate != 20) &&
403 (bitrate != 55) && (bitrate != 110))
406 for (i = 0; i < BITRATE_TABLE_SIZE; i++) {
407 if ((bitrate_table[i].bitrate == bitrate) &&
408 (bitrate_table[i].automatic == automatic)) {
416 void orinoco_get_ratemode_cfg(int ratemode, int *bitrate, int *automatic)
418 BUG_ON((ratemode < 0) || (ratemode >= BITRATE_TABLE_SIZE));
420 *bitrate = bitrate_table[ratemode].bitrate * 100000;
421 *automatic = bitrate_table[ratemode].automatic;
424 int orinoco_hw_program_rids(struct orinoco_private *priv)
426 struct net_device *dev = priv->ndev;
427 struct wireless_dev *wdev = netdev_priv(dev);
428 hermes_t *hw = &priv->hw;
430 struct hermes_idstring idbuf;
432 /* Set the MAC address */
433 err = hermes_write_ltv(hw, USER_BAP, HERMES_RID_CNFOWNMACADDR,
434 HERMES_BYTES_TO_RECLEN(ETH_ALEN), dev->dev_addr);
436 printk(KERN_ERR "%s: Error %d setting MAC address\n",
441 /* Set up the link mode */
442 err = hermes_write_wordrec(hw, USER_BAP, HERMES_RID_CNFPORTTYPE,
445 printk(KERN_ERR "%s: Error %d setting port type\n",
449 /* Set the channel/frequency */
450 if (priv->channel != 0 && priv->iw_mode != NL80211_IFTYPE_STATION) {
451 err = hermes_write_wordrec(hw, USER_BAP,
452 HERMES_RID_CNFOWNCHANNEL,
455 printk(KERN_ERR "%s: Error %d setting channel %d\n",
456 dev->name, err, priv->channel);
461 if (priv->has_ibss) {
464 if ((strlen(priv->desired_essid) == 0) && (priv->createibss)) {
465 printk(KERN_WARNING "%s: This firmware requires an "
466 "ESSID in IBSS-Ad-Hoc mode.\n", dev->name);
467 /* With wvlan_cs, in this case, we would crash.
468 * hopefully, this driver will behave better...
472 createibss = priv->createibss;
475 err = hermes_write_wordrec(hw, USER_BAP,
476 HERMES_RID_CNFCREATEIBSS,
479 printk(KERN_ERR "%s: Error %d setting CREATEIBSS\n",
485 /* Set the desired BSSID */
486 err = __orinoco_hw_set_wap(priv);
488 printk(KERN_ERR "%s: Error %d setting AP address\n",
493 /* Set the desired ESSID */
494 idbuf.len = cpu_to_le16(strlen(priv->desired_essid));
495 memcpy(&idbuf.val, priv->desired_essid, sizeof(idbuf.val));
496 /* WinXP wants partner to configure OWNSSID even in IBSS mode. (jimc) */
497 err = hermes_write_ltv(hw, USER_BAP, HERMES_RID_CNFOWNSSID,
498 HERMES_BYTES_TO_RECLEN(strlen(priv->desired_essid)+2),
501 printk(KERN_ERR "%s: Error %d setting OWNSSID\n",
505 err = hermes_write_ltv(hw, USER_BAP, HERMES_RID_CNFDESIREDSSID,
506 HERMES_BYTES_TO_RECLEN(strlen(priv->desired_essid)+2),
509 printk(KERN_ERR "%s: Error %d setting DESIREDSSID\n",
514 /* Set the station name */
515 idbuf.len = cpu_to_le16(strlen(priv->nick));
516 memcpy(&idbuf.val, priv->nick, sizeof(idbuf.val));
517 err = hermes_write_ltv(hw, USER_BAP, HERMES_RID_CNFOWNNAME,
518 HERMES_BYTES_TO_RECLEN(strlen(priv->nick)+2),
521 printk(KERN_ERR "%s: Error %d setting nickname\n",
527 if (priv->has_sensitivity) {
528 err = hermes_write_wordrec(hw, USER_BAP,
529 HERMES_RID_CNFSYSTEMSCALE,
532 printk(KERN_WARNING "%s: Error %d setting SYSTEMSCALE. "
533 "Disabling sensitivity control\n",
536 priv->has_sensitivity = 0;
540 /* Set RTS threshold */
541 err = hermes_write_wordrec(hw, USER_BAP, HERMES_RID_CNFRTSTHRESHOLD,
544 printk(KERN_ERR "%s: Error %d setting RTS threshold\n",
549 /* Set fragmentation threshold or MWO robustness */
551 err = hermes_write_wordrec(hw, USER_BAP,
552 HERMES_RID_CNFMWOROBUST_AGERE,
555 err = hermes_write_wordrec(hw, USER_BAP,
556 HERMES_RID_CNFFRAGMENTATIONTHRESHOLD,
559 printk(KERN_ERR "%s: Error %d setting fragmentation\n",
565 err = __orinoco_hw_set_bitrate(priv);
567 printk(KERN_ERR "%s: Error %d setting bitrate\n",
572 /* Set power management */
574 err = hermes_write_wordrec(hw, USER_BAP,
575 HERMES_RID_CNFPMENABLED,
578 printk(KERN_ERR "%s: Error %d setting up PM\n",
583 err = hermes_write_wordrec(hw, USER_BAP,
584 HERMES_RID_CNFMULTICASTRECEIVE,
587 printk(KERN_ERR "%s: Error %d setting up PM\n",
591 err = hermes_write_wordrec(hw, USER_BAP,
592 HERMES_RID_CNFMAXSLEEPDURATION,
595 printk(KERN_ERR "%s: Error %d setting up PM\n",
599 err = hermes_write_wordrec(hw, USER_BAP,
600 HERMES_RID_CNFPMHOLDOVERDURATION,
603 printk(KERN_ERR "%s: Error %d setting up PM\n",
609 /* Set preamble - only for Symbol so far... */
610 if (priv->has_preamble) {
611 err = hermes_write_wordrec(hw, USER_BAP,
612 HERMES_RID_CNFPREAMBLE_SYMBOL,
615 printk(KERN_ERR "%s: Error %d setting preamble\n",
621 /* Set up encryption */
622 if (priv->has_wep || priv->has_wpa) {
623 err = __orinoco_hw_setup_enc(priv);
625 printk(KERN_ERR "%s: Error %d activating encryption\n",
631 if (priv->iw_mode == NL80211_IFTYPE_MONITOR) {
632 /* Enable monitor mode */
633 dev->type = ARPHRD_IEEE80211;
634 err = hermes_docmd_wait(hw, HERMES_CMD_TEST |
635 HERMES_TEST_MONITOR, 0, NULL);
637 /* Disable monitor mode */
638 dev->type = ARPHRD_ETHER;
639 err = hermes_docmd_wait(hw, HERMES_CMD_TEST |
640 HERMES_TEST_STOP, 0, NULL);
645 /* Reset promiscuity / multicast*/
646 priv->promiscuous = 0;
649 /* Record mode change */
650 wdev->iftype = priv->iw_mode;
655 /* Get tsc from the firmware */
656 int orinoco_hw_get_tkip_iv(struct orinoco_private *priv, int key, u8 *tsc)
658 hermes_t *hw = &priv->hw;
660 u8 tsc_arr[4][ORINOCO_SEQ_LEN];
662 if ((key < 0) || (key >= 4))
665 err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_CURRENT_TKIP_IV,
666 sizeof(tsc_arr), NULL, &tsc_arr);
668 memcpy(tsc, &tsc_arr[key][0], sizeof(tsc_arr[0]));
673 int __orinoco_hw_set_bitrate(struct orinoco_private *priv)
675 hermes_t *hw = &priv->hw;
676 int ratemode = priv->bitratemode;
679 if (ratemode >= BITRATE_TABLE_SIZE) {
680 printk(KERN_ERR "%s: BUG: Invalid bitrate mode %d\n",
681 priv->ndev->name, ratemode);
685 switch (priv->firmware_type) {
686 case FIRMWARE_TYPE_AGERE:
687 err = hermes_write_wordrec(hw, USER_BAP,
688 HERMES_RID_CNFTXRATECONTROL,
689 bitrate_table[ratemode].agere_txratectrl);
691 case FIRMWARE_TYPE_INTERSIL:
692 case FIRMWARE_TYPE_SYMBOL:
693 err = hermes_write_wordrec(hw, USER_BAP,
694 HERMES_RID_CNFTXRATECONTROL,
695 bitrate_table[ratemode].intersil_txratectrl);
704 int orinoco_hw_get_act_bitrate(struct orinoco_private *priv, int *bitrate)
706 hermes_t *hw = &priv->hw;
711 err = hermes_read_wordrec(hw, USER_BAP,
712 HERMES_RID_CURRENTTXRATE, &val);
716 switch (priv->firmware_type) {
717 case FIRMWARE_TYPE_AGERE: /* Lucent style rate */
718 /* Note : in Lucent firmware, the return value of
719 * HERMES_RID_CURRENTTXRATE is the bitrate in Mb/s,
720 * and therefore is totally different from the
721 * encoding of HERMES_RID_CNFTXRATECONTROL.
722 * Don't forget that 6Mb/s is really 5.5Mb/s */
726 *bitrate = val * 1000000;
728 case FIRMWARE_TYPE_INTERSIL: /* Intersil style rate */
729 case FIRMWARE_TYPE_SYMBOL: /* Symbol style rate */
730 for (i = 0; i < BITRATE_TABLE_SIZE; i++)
731 if (bitrate_table[i].intersil_txratectrl == val)
734 if (i >= BITRATE_TABLE_SIZE)
735 printk(KERN_INFO "%s: Unable to determine current bitrate (0x%04hx)\n",
736 priv->ndev->name, val);
738 *bitrate = bitrate_table[i].bitrate * 100000;
747 /* Set fixed AP address */
748 int __orinoco_hw_set_wap(struct orinoco_private *priv)
752 hermes_t *hw = &priv->hw;
754 switch (priv->firmware_type) {
755 case FIRMWARE_TYPE_AGERE:
758 case FIRMWARE_TYPE_INTERSIL:
759 if (priv->bssid_fixed)
764 err = hermes_write_wordrec(hw, USER_BAP,
765 HERMES_RID_CNFROAMINGMODE,
768 case FIRMWARE_TYPE_SYMBOL:
769 err = HERMES_WRITE_RECORD(hw, USER_BAP,
770 HERMES_RID_CNFMANDATORYBSSID_SYMBOL,
771 &priv->desired_bssid);
777 /* Change the WEP keys and/or the current keys. Can be called
778 * either from __orinoco_hw_setup_enc() or directly from
779 * orinoco_ioctl_setiwencode(). In the later case the association
780 * with the AP is not broken (if the firmware can handle it),
781 * which is needed for 802.1x implementations. */
782 int __orinoco_hw_setup_wepkeys(struct orinoco_private *priv)
784 hermes_t *hw = &priv->hw;
788 switch (priv->firmware_type) {
789 case FIRMWARE_TYPE_AGERE:
791 struct orinoco_key keys[ORINOCO_MAX_KEYS];
793 memset(&keys, 0, sizeof(keys));
794 for (i = 0; i < ORINOCO_MAX_KEYS; i++) {
795 int len = min(priv->keys[i].key_len,
796 ORINOCO_MAX_KEY_SIZE);
797 memcpy(&keys[i].data, priv->keys[i].key, len);
798 if (len > SMALL_KEY_SIZE)
799 keys[i].len = cpu_to_le16(LARGE_KEY_SIZE);
801 keys[i].len = cpu_to_le16(SMALL_KEY_SIZE);
803 keys[i].len = cpu_to_le16(0);
806 err = HERMES_WRITE_RECORD(hw, USER_BAP,
807 HERMES_RID_CNFWEPKEYS_AGERE,
811 err = hermes_write_wordrec(hw, USER_BAP,
812 HERMES_RID_CNFTXKEY_AGERE,
818 case FIRMWARE_TYPE_INTERSIL:
819 case FIRMWARE_TYPE_SYMBOL:
823 /* Force uniform key length to work around
825 keylen = priv->keys[priv->tx_key].key_len;
827 if (keylen > LARGE_KEY_SIZE) {
828 printk(KERN_ERR "%s: BUG: Key %d has oversize length %d.\n",
829 priv->ndev->name, priv->tx_key, keylen);
831 } else if (keylen > SMALL_KEY_SIZE)
832 keylen = LARGE_KEY_SIZE;
834 keylen = SMALL_KEY_SIZE;
838 /* Write all 4 keys */
839 for (i = 0; i < ORINOCO_MAX_KEYS; i++) {
840 u8 key[LARGE_KEY_SIZE] = { 0 };
842 memcpy(key, priv->keys[i].key,
843 priv->keys[i].key_len);
845 err = hermes_write_ltv(hw, USER_BAP,
846 HERMES_RID_CNFDEFAULTKEY0 + i,
847 HERMES_BYTES_TO_RECLEN(keylen),
853 /* Write the index of the key used in transmission */
854 err = hermes_write_wordrec(hw, USER_BAP,
855 HERMES_RID_CNFWEPDEFAULTKEYID,
866 int __orinoco_hw_setup_enc(struct orinoco_private *priv)
868 hermes_t *hw = &priv->hw;
875 if (priv->encode_alg == ORINOCO_ALG_WEP)
876 __orinoco_hw_setup_wepkeys(priv);
878 if (priv->wep_restrict)
879 auth_flag = HERMES_AUTH_SHARED_KEY;
881 auth_flag = HERMES_AUTH_OPEN;
883 if (priv->wpa_enabled)
885 else if (priv->encode_alg == ORINOCO_ALG_WEP)
890 switch (priv->firmware_type) {
891 case FIRMWARE_TYPE_AGERE: /* Agere style WEP */
892 if (priv->encode_alg == ORINOCO_ALG_WEP) {
893 /* Enable the shared-key authentication. */
894 err = hermes_write_wordrec(hw, USER_BAP,
895 HERMES_RID_CNFAUTHENTICATION_AGERE,
898 err = hermes_write_wordrec(hw, USER_BAP,
899 HERMES_RID_CNFWEPENABLED_AGERE,
905 /* Set WPA key management */
906 err = hermes_write_wordrec(hw, USER_BAP,
907 HERMES_RID_CNFSETWPAAUTHMGMTSUITE_AGERE,
915 case FIRMWARE_TYPE_INTERSIL: /* Intersil style WEP */
916 case FIRMWARE_TYPE_SYMBOL: /* Symbol style WEP */
917 if (priv->encode_alg == ORINOCO_ALG_WEP) {
918 if (priv->wep_restrict ||
919 (priv->firmware_type == FIRMWARE_TYPE_SYMBOL))
920 master_wep_flag = HERMES_WEP_PRIVACY_INVOKED |
921 HERMES_WEP_EXCL_UNENCRYPTED;
923 master_wep_flag = HERMES_WEP_PRIVACY_INVOKED;
925 err = hermes_write_wordrec(hw, USER_BAP,
926 HERMES_RID_CNFAUTHENTICATION,
933 if (priv->iw_mode == NL80211_IFTYPE_MONITOR)
934 master_wep_flag |= HERMES_WEP_HOST_DECRYPT;
936 /* Master WEP setting : on/off */
937 err = hermes_write_wordrec(hw, USER_BAP,
938 HERMES_RID_CNFWEPFLAGS_INTERSIL,
949 /* key must be 32 bytes, including the tx and rx MIC keys.
950 * rsc must be NULL or up to 8 bytes
951 * tsc must be NULL or up to 8 bytes
953 int __orinoco_hw_set_tkip_key(struct orinoco_private *priv, int key_idx,
954 int set_tx, u8 *key, u8 *rsc, size_t rsc_len,
955 u8 *tsc, size_t tsc_len)
959 u8 rsc[ORINOCO_SEQ_LEN];
961 u8 tx_mic[MIC_KEYLEN];
962 u8 rx_mic[MIC_KEYLEN];
963 u8 tsc[ORINOCO_SEQ_LEN];
964 } __attribute__ ((packed)) buf;
965 hermes_t *hw = &priv->hw;
976 buf.idx = cpu_to_le16(key_idx);
978 sizeof(buf.key) + sizeof(buf.tx_mic) + sizeof(buf.rx_mic));
980 if (rsc_len > sizeof(buf.rsc))
981 rsc_len = sizeof(buf.rsc);
983 if (tsc_len > sizeof(buf.tsc))
984 tsc_len = sizeof(buf.tsc);
986 memset(buf.rsc, 0, sizeof(buf.rsc));
987 memset(buf.tsc, 0, sizeof(buf.tsc));
990 memcpy(buf.rsc, rsc, rsc_len);
993 memcpy(buf.tsc, tsc, tsc_len);
997 /* Wait upto 100ms for tx queue to empty */
998 for (k = 100; k > 0; k--) {
1000 ret = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_TXQUEUEEMPTY,
1002 if (ret || !xmitting)
1009 err = HERMES_WRITE_RECORD(hw, USER_BAP,
1010 HERMES_RID_CNFADDDEFAULTTKIPKEY_AGERE,
1013 return ret ? ret : err;
1016 int orinoco_clear_tkip_key(struct orinoco_private *priv, int key_idx)
1018 hermes_t *hw = &priv->hw;
1021 err = hermes_write_wordrec(hw, USER_BAP,
1022 HERMES_RID_CNFREMDEFAULTTKIPKEY_AGERE,
1025 printk(KERN_WARNING "%s: Error %d clearing TKIP key %d\n",
1026 priv->ndev->name, err, key_idx);
1030 int __orinoco_hw_set_multicast_list(struct orinoco_private *priv,
1031 struct net_device *dev,
1032 int mc_count, int promisc)
1034 hermes_t *hw = &priv->hw;
1037 if (promisc != priv->promiscuous) {
1038 err = hermes_write_wordrec(hw, USER_BAP,
1039 HERMES_RID_CNFPROMISCUOUSMODE,
1042 printk(KERN_ERR "%s: Error %d setting PROMISCUOUSMODE to 1.\n",
1043 priv->ndev->name, err);
1045 priv->promiscuous = promisc;
1048 /* If we're not in promiscuous mode, then we need to set the
1049 * group address if either we want to multicast, or if we were
1050 * multicasting and want to stop */
1051 if (!promisc && (mc_count || priv->mc_count)) {
1052 struct dev_mc_list *p;
1053 struct hermes_multicast mclist;
1056 netdev_for_each_mc_addr(p, dev) {
1059 memcpy(mclist.addr[i++], p->dmi_addr, ETH_ALEN);
1062 err = hermes_write_ltv(hw, USER_BAP,
1063 HERMES_RID_CNFGROUPADDRESSES,
1064 HERMES_BYTES_TO_RECLEN(mc_count * ETH_ALEN),
1067 printk(KERN_ERR "%s: Error %d setting multicast list.\n",
1068 priv->ndev->name, err);
1070 priv->mc_count = mc_count;
1075 /* Return : < 0 -> error code ; >= 0 -> length */
1076 int orinoco_hw_get_essid(struct orinoco_private *priv, int *active,
1077 char buf[IW_ESSID_MAX_SIZE+1])
1079 hermes_t *hw = &priv->hw;
1081 struct hermes_idstring essidbuf;
1082 char *p = (char *)(&essidbuf.val);
1084 unsigned long flags;
1086 if (orinoco_lock(priv, &flags) != 0)
1089 if (strlen(priv->desired_essid) > 0) {
1090 /* We read the desired SSID from the hardware rather
1091 than from priv->desired_essid, just in case the
1092 firmware is allowed to change it on us. I'm not
1094 /* My guess is that the OWNSSID should always be whatever
1095 * we set to the card, whereas CURRENT_SSID is the one that
1096 * may change... - Jean II */
1101 rid = (priv->port_type == 3) ? HERMES_RID_CNFOWNSSID :
1102 HERMES_RID_CNFDESIREDSSID;
1104 err = hermes_read_ltv(hw, USER_BAP, rid, sizeof(essidbuf),
1111 err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_CURRENTSSID,
1112 sizeof(essidbuf), NULL, &essidbuf);
1117 len = le16_to_cpu(essidbuf.len);
1118 BUG_ON(len > IW_ESSID_MAX_SIZE);
1120 memset(buf, 0, IW_ESSID_MAX_SIZE);
1121 memcpy(buf, p, len);
1125 orinoco_unlock(priv, &flags);
1130 int orinoco_hw_get_freq(struct orinoco_private *priv)
1132 hermes_t *hw = &priv->hw;
1136 unsigned long flags;
1138 if (orinoco_lock(priv, &flags) != 0)
1141 err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CURRENTCHANNEL,
1146 /* Intersil firmware 1.3.5 returns 0 when the interface is down */
1152 if ((channel < 1) || (channel > NUM_CHANNELS)) {
1153 printk(KERN_WARNING "%s: Channel out of range (%d)!\n",
1154 priv->ndev->name, channel);
1159 freq = ieee80211_dsss_chan_to_freq(channel);
1162 orinoco_unlock(priv, &flags);
1166 return err ? err : freq;
1169 int orinoco_hw_get_bitratelist(struct orinoco_private *priv,
1170 int *numrates, s32 *rates, int max)
1172 hermes_t *hw = &priv->hw;
1173 struct hermes_idstring list;
1174 unsigned char *p = (unsigned char *)&list.val;
1178 unsigned long flags;
1180 if (orinoco_lock(priv, &flags) != 0)
1183 err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_SUPPORTEDDATARATES,
1184 sizeof(list), NULL, &list);
1185 orinoco_unlock(priv, &flags);
1190 num = le16_to_cpu(list.len);
1192 num = min(num, max);
1194 for (i = 0; i < num; i++)
1195 rates[i] = (p[i] & 0x7f) * 500000; /* convert to bps */
1200 int orinoco_hw_trigger_scan(struct orinoco_private *priv,
1201 const struct cfg80211_ssid *ssid)
1203 struct net_device *dev = priv->ndev;
1204 hermes_t *hw = &priv->hw;
1205 unsigned long flags;
1208 if (orinoco_lock(priv, &flags) != 0)
1211 /* Scanning with port 0 disabled would fail */
1212 if (!netif_running(dev)) {
1217 /* In monitor mode, the scan results are always empty.
1218 * Probe responses are passed to the driver as received
1219 * frames and could be processed in software. */
1220 if (priv->iw_mode == NL80211_IFTYPE_MONITOR) {
1225 if (priv->has_hostscan) {
1226 switch (priv->firmware_type) {
1227 case FIRMWARE_TYPE_SYMBOL:
1228 err = hermes_write_wordrec(hw, USER_BAP,
1229 HERMES_RID_CNFHOSTSCAN_SYMBOL,
1230 HERMES_HOSTSCAN_SYMBOL_ONCE |
1231 HERMES_HOSTSCAN_SYMBOL_BCAST);
1233 case FIRMWARE_TYPE_INTERSIL: {
1236 req[0] = cpu_to_le16(0x3fff); /* All channels */
1237 req[1] = cpu_to_le16(0x0001); /* rate 1 Mbps */
1238 req[2] = 0; /* Any ESSID */
1239 err = HERMES_WRITE_RECORD(hw, USER_BAP,
1240 HERMES_RID_CNFHOSTSCAN, &req);
1243 case FIRMWARE_TYPE_AGERE:
1244 if (ssid->ssid_len > 0) {
1245 struct hermes_idstring idbuf;
1246 size_t len = ssid->ssid_len;
1248 idbuf.len = cpu_to_le16(len);
1249 memcpy(idbuf.val, ssid->ssid, len);
1251 err = hermes_write_ltv(hw, USER_BAP,
1252 HERMES_RID_CNFSCANSSID_AGERE,
1253 HERMES_BYTES_TO_RECLEN(len + 2),
1256 err = hermes_write_wordrec(hw, USER_BAP,
1257 HERMES_RID_CNFSCANSSID_AGERE,
1262 if (priv->has_ext_scan) {
1263 err = hermes_write_wordrec(hw, USER_BAP,
1264 HERMES_RID_CNFSCANCHANNELS2GHZ,
1269 err = hermes_inquire(hw,
1270 HERMES_INQ_CHANNELINFO);
1272 err = hermes_inquire(hw, HERMES_INQ_SCAN);
1277 err = hermes_inquire(hw, HERMES_INQ_SCAN);
1280 orinoco_unlock(priv, &flags);
1285 /* Disassociate from node with BSSID addr */
1286 int orinoco_hw_disassociate(struct orinoco_private *priv,
1287 u8 *addr, u16 reason_code)
1289 hermes_t *hw = &priv->hw;
1295 } __attribute__ ((packed)) buf;
1297 /* Currently only supported by WPA enabled Agere fw */
1301 memcpy(buf.addr, addr, ETH_ALEN);
1302 buf.reason_code = cpu_to_le16(reason_code);
1303 err = HERMES_WRITE_RECORD(hw, USER_BAP,
1304 HERMES_RID_CNFDISASSOCIATE,
1309 int orinoco_hw_get_current_bssid(struct orinoco_private *priv,
1312 hermes_t *hw = &priv->hw;
1315 err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_CURRENTBSSID,
1316 ETH_ALEN, NULL, addr);