diff options
Diffstat (limited to 'drivers/net/wireless/orinoco/hw.c')
-rw-r--r-- | drivers/net/wireless/orinoco/hw.c | 1356 |
1 files changed, 0 insertions, 1356 deletions
diff --git a/drivers/net/wireless/orinoco/hw.c b/drivers/net/wireless/orinoco/hw.c deleted file mode 100644 index e27e32851..000000000 --- a/drivers/net/wireless/orinoco/hw.c +++ /dev/null @@ -1,1356 +0,0 @@ -/* Encapsulate basic setting changes and retrieval on Hermes hardware - * - * See copyright notice in main.c - */ -#include <linux/kernel.h> -#include <linux/device.h> -#include <linux/if_arp.h> -#include <linux/ieee80211.h> -#include <linux/wireless.h> -#include <net/cfg80211.h> -#include "hermes.h" -#include "hermes_rid.h" -#include "orinoco.h" - -#include "hw.h" - -#define SYMBOL_MAX_VER_LEN (14) - -/* Symbol firmware has a bug allocating buffers larger than this */ -#define TX_NICBUF_SIZE_BUG 1585 - -/********************************************************************/ -/* Data tables */ -/********************************************************************/ - -/* This tables gives the actual meanings of the bitrate IDs returned - * by the firmware. */ -static const struct { - int bitrate; /* in 100s of kilobits */ - int automatic; - u16 agere_txratectrl; - u16 intersil_txratectrl; -} bitrate_table[] = { - {110, 1, 3, 15}, /* Entry 0 is the default */ - {10, 0, 1, 1}, - {10, 1, 1, 1}, - {20, 0, 2, 2}, - {20, 1, 6, 3}, - {55, 0, 4, 4}, - {55, 1, 7, 7}, - {110, 0, 5, 8}, -}; -#define BITRATE_TABLE_SIZE ARRAY_SIZE(bitrate_table) - -/* Firmware version encoding */ -struct comp_id { - u16 id, variant, major, minor; -} __packed; - -static inline enum fwtype determine_firmware_type(struct comp_id *nic_id) -{ - if (nic_id->id < 0x8000) - return FIRMWARE_TYPE_AGERE; - else if (nic_id->id == 0x8000 && nic_id->major == 0) - return FIRMWARE_TYPE_SYMBOL; - else - return FIRMWARE_TYPE_INTERSIL; -} - -/* Set priv->firmware type, determine firmware properties - * This function can be called before we have registerred with netdev, - * so all errors go out with dev_* rather than printk - * - * If non-NULL stores a firmware description in fw_name. - * If non-NULL stores a HW version in hw_ver - * - * These are output via generic cfg80211 ethtool support. - */ -int determine_fw_capabilities(struct orinoco_private *priv, - char *fw_name, size_t fw_name_len, - u32 *hw_ver) -{ - struct device *dev = priv->dev; - struct hermes *hw = &priv->hw; - int err; - struct comp_id nic_id, sta_id; - unsigned int firmver; - char tmp[SYMBOL_MAX_VER_LEN + 1] __attribute__((aligned(2))); - - /* Get the hardware version */ - err = HERMES_READ_RECORD(hw, USER_BAP, HERMES_RID_NICID, &nic_id); - if (err) { - dev_err(dev, "Cannot read hardware identity: error %d\n", - err); - return err; - } - - le16_to_cpus(&nic_id.id); - le16_to_cpus(&nic_id.variant); - le16_to_cpus(&nic_id.major); - le16_to_cpus(&nic_id.minor); - dev_info(dev, "Hardware identity %04x:%04x:%04x:%04x\n", - nic_id.id, nic_id.variant, nic_id.major, nic_id.minor); - - if (hw_ver) - *hw_ver = (((nic_id.id & 0xff) << 24) | - ((nic_id.variant & 0xff) << 16) | - ((nic_id.major & 0xff) << 8) | - (nic_id.minor & 0xff)); - - priv->firmware_type = determine_firmware_type(&nic_id); - - /* Get the firmware version */ - err = HERMES_READ_RECORD(hw, USER_BAP, HERMES_RID_STAID, &sta_id); - if (err) { - dev_err(dev, "Cannot read station identity: error %d\n", - err); - return err; - } - - le16_to_cpus(&sta_id.id); - le16_to_cpus(&sta_id.variant); - le16_to_cpus(&sta_id.major); - le16_to_cpus(&sta_id.minor); - dev_info(dev, "Station identity %04x:%04x:%04x:%04x\n", - sta_id.id, sta_id.variant, sta_id.major, sta_id.minor); - - switch (sta_id.id) { - case 0x15: - dev_err(dev, "Primary firmware is active\n"); - return -ENODEV; - case 0x14b: - dev_err(dev, "Tertiary firmware is active\n"); - return -ENODEV; - case 0x1f: /* Intersil, Agere, Symbol Spectrum24 */ - case 0x21: /* Symbol Spectrum24 Trilogy */ - break; - default: - dev_notice(dev, "Unknown station ID, please report\n"); - break; - } - - /* Default capabilities */ - priv->has_sensitivity = 1; - priv->has_mwo = 0; - priv->has_preamble = 0; - priv->has_port3 = 1; - priv->has_ibss = 1; - priv->has_wep = 0; - priv->has_big_wep = 0; - priv->has_alt_txcntl = 0; - priv->has_ext_scan = 0; - priv->has_wpa = 0; - priv->do_fw_download = 0; - - /* Determine capabilities from the firmware version */ - switch (priv->firmware_type) { - case FIRMWARE_TYPE_AGERE: - /* Lucent Wavelan IEEE, Lucent Orinoco, Cabletron RoamAbout, - ELSA, Melco, HP, IBM, Dell 1150, Compaq 110/210 */ - if (fw_name) - snprintf(fw_name, fw_name_len, "Lucent/Agere %d.%02d", - sta_id.major, sta_id.minor); - - firmver = ((unsigned long)sta_id.major << 16) | sta_id.minor; - - priv->has_ibss = (firmver >= 0x60006); - priv->has_wep = (firmver >= 0x40020); - priv->has_big_wep = 1; /* FIXME: this is wrong - how do we tell - Gold cards from the others? */ - priv->has_mwo = (firmver >= 0x60000); - priv->has_pm = (firmver >= 0x40020); /* Don't work in 7.52 ? */ - priv->ibss_port = 1; - priv->has_hostscan = (firmver >= 0x8000a); - priv->do_fw_download = 1; - priv->broken_monitor = (firmver >= 0x80000); - priv->has_alt_txcntl = (firmver >= 0x90000); /* All 9.x ? */ - priv->has_ext_scan = (firmver >= 0x90000); /* All 9.x ? */ - priv->has_wpa = (firmver >= 0x9002a); - /* Tested with Agere firmware : - * 1.16 ; 4.08 ; 4.52 ; 6.04 ; 6.16 ; 7.28 => Jean II - * Tested CableTron firmware : 4.32 => Anton */ - break; - case FIRMWARE_TYPE_SYMBOL: - /* Symbol , 3Com AirConnect, Intel, Ericsson WLAN */ - /* Intel MAC : 00:02:B3:* */ - /* 3Com MAC : 00:50:DA:* */ - memset(tmp, 0, sizeof(tmp)); - /* Get the Symbol firmware version */ - err = hw->ops->read_ltv(hw, USER_BAP, - HERMES_RID_SECONDARYVERSION_SYMBOL, - SYMBOL_MAX_VER_LEN, NULL, &tmp); - if (err) { - dev_warn(dev, "Error %d reading Symbol firmware info. " - "Wildly guessing capabilities...\n", err); - firmver = 0; - tmp[0] = '\0'; - } else { - /* The firmware revision is a string, the format is - * something like : "V2.20-01". - * Quick and dirty parsing... - Jean II - */ - firmver = ((tmp[1] - '0') << 16) - | ((tmp[3] - '0') << 12) - | ((tmp[4] - '0') << 8) - | ((tmp[6] - '0') << 4) - | (tmp[7] - '0'); - - tmp[SYMBOL_MAX_VER_LEN] = '\0'; - } - - if (fw_name) - snprintf(fw_name, fw_name_len, "Symbol %s", tmp); - - priv->has_ibss = (firmver >= 0x20000); - priv->has_wep = (firmver >= 0x15012); - priv->has_big_wep = (firmver >= 0x20000); - priv->has_pm = (firmver >= 0x20000 && firmver < 0x22000) || - (firmver >= 0x29000 && firmver < 0x30000) || - firmver >= 0x31000; - priv->has_preamble = (firmver >= 0x20000); - priv->ibss_port = 4; - - /* Symbol firmware is found on various cards, but - * there has been no attempt to check firmware - * download on non-spectrum_cs based cards. - * - * Given that the Agere firmware download works - * differently, we should avoid doing a firmware - * download with the Symbol algorithm on non-spectrum - * cards. - * - * For now we can identify a spectrum_cs based card - * because it has a firmware reset function. - */ - priv->do_fw_download = (priv->stop_fw != NULL); - - priv->broken_disableport = (firmver == 0x25013) || - (firmver >= 0x30000 && firmver <= 0x31000); - priv->has_hostscan = (firmver >= 0x31001) || - (firmver >= 0x29057 && firmver < 0x30000); - /* Tested with Intel firmware : 0x20015 => Jean II */ - /* Tested with 3Com firmware : 0x15012 & 0x22001 => Jean II */ - break; - case FIRMWARE_TYPE_INTERSIL: - /* D-Link, Linksys, Adtron, ZoomAir, and many others... - * Samsung, Compaq 100/200 and Proxim are slightly - * different and less well tested */ - /* D-Link MAC : 00:40:05:* */ - /* Addtron MAC : 00:90:D1:* */ - if (fw_name) - snprintf(fw_name, fw_name_len, "Intersil %d.%d.%d", - sta_id.major, sta_id.minor, sta_id.variant); - - firmver = ((unsigned long)sta_id.major << 16) | - ((unsigned long)sta_id.minor << 8) | sta_id.variant; - - priv->has_ibss = (firmver >= 0x000700); /* FIXME */ - priv->has_big_wep = priv->has_wep = (firmver >= 0x000800); - priv->has_pm = (firmver >= 0x000700); - priv->has_hostscan = (firmver >= 0x010301); - - if (firmver >= 0x000800) - priv->ibss_port = 0; - else { - dev_notice(dev, "Intersil firmware earlier than v0.8.x" - " - several features not supported\n"); - priv->ibss_port = 1; - } - break; - } - if (fw_name) - dev_info(dev, "Firmware determined as %s\n", fw_name); - -#ifndef CONFIG_HERMES_PRISM - if (priv->firmware_type == FIRMWARE_TYPE_INTERSIL) { - dev_err(dev, "Support for Prism chipset is not enabled\n"); - return -ENODEV; - } -#endif - - return 0; -} - -/* Read settings from EEPROM into our private structure. - * MAC address gets dropped into callers buffer - * Can be called before netdev registration. - */ -int orinoco_hw_read_card_settings(struct orinoco_private *priv, u8 *dev_addr) -{ - struct device *dev = priv->dev; - struct hermes_idstring nickbuf; - struct hermes *hw = &priv->hw; - int len; - int err; - u16 reclen; - - /* Get the MAC address */ - err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_CNFOWNMACADDR, - ETH_ALEN, NULL, dev_addr); - if (err) { - dev_warn(dev, "Failed to read MAC address!\n"); - goto out; - } - - dev_dbg(dev, "MAC address %pM\n", dev_addr); - - /* Get the station name */ - err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_CNFOWNNAME, - sizeof(nickbuf), &reclen, &nickbuf); - if (err) { - dev_err(dev, "failed to read station name\n"); - goto out; - } - if (nickbuf.len) - len = min(IW_ESSID_MAX_SIZE, (int)le16_to_cpu(nickbuf.len)); - else - len = min(IW_ESSID_MAX_SIZE, 2 * reclen); - memcpy(priv->nick, &nickbuf.val, len); - priv->nick[len] = '\0'; - - dev_dbg(dev, "Station name \"%s\"\n", priv->nick); - - /* Get allowed channels */ - err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CHANNELLIST, - &priv->channel_mask); - if (err) { - dev_err(dev, "Failed to read channel list!\n"); - goto out; - } - - /* Get initial AP density */ - err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CNFSYSTEMSCALE, - &priv->ap_density); - if (err || priv->ap_density < 1 || priv->ap_density > 3) - priv->has_sensitivity = 0; - - /* Get initial RTS threshold */ - err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CNFRTSTHRESHOLD, - &priv->rts_thresh); - if (err) { - dev_err(dev, "Failed to read RTS threshold!\n"); - goto out; - } - - /* Get initial fragmentation settings */ - if (priv->has_mwo) - err = hermes_read_wordrec(hw, USER_BAP, - HERMES_RID_CNFMWOROBUST_AGERE, - &priv->mwo_robust); - else - err = hermes_read_wordrec(hw, USER_BAP, - HERMES_RID_CNFFRAGMENTATIONTHRESHOLD, - &priv->frag_thresh); - if (err) { - dev_err(dev, "Failed to read fragmentation settings!\n"); - goto out; - } - - /* Power management setup */ - if (priv->has_pm) { - priv->pm_on = 0; - priv->pm_mcast = 1; - err = hermes_read_wordrec(hw, USER_BAP, - HERMES_RID_CNFMAXSLEEPDURATION, - &priv->pm_period); - if (err) { - dev_err(dev, "Failed to read power management " - "period!\n"); - goto out; - } - err = hermes_read_wordrec(hw, USER_BAP, - HERMES_RID_CNFPMHOLDOVERDURATION, - &priv->pm_timeout); - if (err) { - dev_err(dev, "Failed to read power management " - "timeout!\n"); - goto out; - } - } - - /* Preamble setup */ - if (priv->has_preamble) { - err = hermes_read_wordrec(hw, USER_BAP, - HERMES_RID_CNFPREAMBLE_SYMBOL, - &priv->preamble); - if (err) { - dev_err(dev, "Failed to read preamble setup\n"); - goto out; - } - } - - /* Retry settings */ - err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_SHORTRETRYLIMIT, - &priv->short_retry_limit); - if (err) { - dev_err(dev, "Failed to read short retry limit\n"); - goto out; - } - - err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_LONGRETRYLIMIT, - &priv->long_retry_limit); - if (err) { - dev_err(dev, "Failed to read long retry limit\n"); - goto out; - } - - err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_MAXTRANSMITLIFETIME, - &priv->retry_lifetime); - if (err) { - dev_err(dev, "Failed to read max retry lifetime\n"); - goto out; - } - -out: - return err; -} - -/* Can be called before netdev registration */ -int orinoco_hw_allocate_fid(struct orinoco_private *priv) -{ - struct device *dev = priv->dev; - struct hermes *hw = &priv->hw; - int err; - - err = hw->ops->allocate(hw, priv->nicbuf_size, &priv->txfid); - if (err == -EIO && priv->nicbuf_size > TX_NICBUF_SIZE_BUG) { - /* Try workaround for old Symbol firmware bug */ - priv->nicbuf_size = TX_NICBUF_SIZE_BUG; - err = hw->ops->allocate(hw, priv->nicbuf_size, &priv->txfid); - - dev_warn(dev, "Firmware ALLOC bug detected " - "(old Symbol firmware?). Work around %s\n", - err ? "failed!" : "ok."); - } - - return err; -} - -int orinoco_get_bitratemode(int bitrate, int automatic) -{ - int ratemode = -1; - int i; - - if ((bitrate != 10) && (bitrate != 20) && - (bitrate != 55) && (bitrate != 110)) - return ratemode; - - for (i = 0; i < BITRATE_TABLE_SIZE; i++) { - if ((bitrate_table[i].bitrate == bitrate) && - (bitrate_table[i].automatic == automatic)) { - ratemode = i; - break; - } - } - return ratemode; -} - -void orinoco_get_ratemode_cfg(int ratemode, int *bitrate, int *automatic) -{ - BUG_ON((ratemode < 0) || (ratemode >= BITRATE_TABLE_SIZE)); - - *bitrate = bitrate_table[ratemode].bitrate * 100000; - *automatic = bitrate_table[ratemode].automatic; -} - -int orinoco_hw_program_rids(struct orinoco_private *priv) -{ - struct net_device *dev = priv->ndev; - struct wireless_dev *wdev = netdev_priv(dev); - struct hermes *hw = &priv->hw; - int err; - struct hermes_idstring idbuf; - - /* Set the MAC address */ - err = hw->ops->write_ltv(hw, USER_BAP, HERMES_RID_CNFOWNMACADDR, - HERMES_BYTES_TO_RECLEN(ETH_ALEN), - dev->dev_addr); - if (err) { - printk(KERN_ERR "%s: Error %d setting MAC address\n", - dev->name, err); - return err; - } - - /* Set up the link mode */ - err = hermes_write_wordrec(hw, USER_BAP, HERMES_RID_CNFPORTTYPE, - priv->port_type); - if (err) { - printk(KERN_ERR "%s: Error %d setting port type\n", - dev->name, err); - return err; - } - /* Set the channel/frequency */ - if (priv->channel != 0 && priv->iw_mode != NL80211_IFTYPE_STATION) { - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFOWNCHANNEL, - priv->channel); - if (err) { - printk(KERN_ERR "%s: Error %d setting channel %d\n", - dev->name, err, priv->channel); - return err; - } - } - - if (priv->has_ibss) { - u16 createibss; - - if ((strlen(priv->desired_essid) == 0) && (priv->createibss)) { - printk(KERN_WARNING "%s: This firmware requires an " - "ESSID in IBSS-Ad-Hoc mode.\n", dev->name); - /* With wvlan_cs, in this case, we would crash. - * hopefully, this driver will behave better... - * Jean II */ - createibss = 0; - } else { - createibss = priv->createibss; - } - - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFCREATEIBSS, - createibss); - if (err) { - printk(KERN_ERR "%s: Error %d setting CREATEIBSS\n", - dev->name, err); - return err; - } - } - - /* Set the desired BSSID */ - err = __orinoco_hw_set_wap(priv); - if (err) { - printk(KERN_ERR "%s: Error %d setting AP address\n", - dev->name, err); - return err; - } - - /* Set the desired ESSID */ - idbuf.len = cpu_to_le16(strlen(priv->desired_essid)); - memcpy(&idbuf.val, priv->desired_essid, sizeof(idbuf.val)); - /* WinXP wants partner to configure OWNSSID even in IBSS mode. (jimc) */ - err = hw->ops->write_ltv(hw, USER_BAP, HERMES_RID_CNFOWNSSID, - HERMES_BYTES_TO_RECLEN(strlen(priv->desired_essid) + 2), - &idbuf); - if (err) { - printk(KERN_ERR "%s: Error %d setting OWNSSID\n", - dev->name, err); - return err; - } - err = hw->ops->write_ltv(hw, USER_BAP, HERMES_RID_CNFDESIREDSSID, - HERMES_BYTES_TO_RECLEN(strlen(priv->desired_essid) + 2), - &idbuf); - if (err) { - printk(KERN_ERR "%s: Error %d setting DESIREDSSID\n", - dev->name, err); - return err; - } - - /* Set the station name */ - idbuf.len = cpu_to_le16(strlen(priv->nick)); - memcpy(&idbuf.val, priv->nick, sizeof(idbuf.val)); - err = hw->ops->write_ltv(hw, USER_BAP, HERMES_RID_CNFOWNNAME, - HERMES_BYTES_TO_RECLEN(strlen(priv->nick) + 2), - &idbuf); - if (err) { - printk(KERN_ERR "%s: Error %d setting nickname\n", - dev->name, err); - return err; - } - - /* Set AP density */ - if (priv->has_sensitivity) { - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFSYSTEMSCALE, - priv->ap_density); - if (err) { - printk(KERN_WARNING "%s: Error %d setting SYSTEMSCALE. " - "Disabling sensitivity control\n", - dev->name, err); - - priv->has_sensitivity = 0; - } - } - - /* Set RTS threshold */ - err = hermes_write_wordrec(hw, USER_BAP, HERMES_RID_CNFRTSTHRESHOLD, - priv->rts_thresh); - if (err) { - printk(KERN_ERR "%s: Error %d setting RTS threshold\n", - dev->name, err); - return err; - } - - /* Set fragmentation threshold or MWO robustness */ - if (priv->has_mwo) - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFMWOROBUST_AGERE, - priv->mwo_robust); - else - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFFRAGMENTATIONTHRESHOLD, - priv->frag_thresh); - if (err) { - printk(KERN_ERR "%s: Error %d setting fragmentation\n", - dev->name, err); - return err; - } - - /* Set bitrate */ - err = __orinoco_hw_set_bitrate(priv); - if (err) { - printk(KERN_ERR "%s: Error %d setting bitrate\n", - dev->name, err); - return err; - } - - /* Set power management */ - if (priv->has_pm) { - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFPMENABLED, - priv->pm_on); - if (err) { - printk(KERN_ERR "%s: Error %d setting up PM\n", - dev->name, err); - return err; - } - - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFMULTICASTRECEIVE, - priv->pm_mcast); - if (err) { - printk(KERN_ERR "%s: Error %d setting up PM\n", - dev->name, err); - return err; - } - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFMAXSLEEPDURATION, - priv->pm_period); - if (err) { - printk(KERN_ERR "%s: Error %d setting up PM\n", - dev->name, err); - return err; - } - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFPMHOLDOVERDURATION, - priv->pm_timeout); - if (err) { - printk(KERN_ERR "%s: Error %d setting up PM\n", - dev->name, err); - return err; - } - } - - /* Set preamble - only for Symbol so far... */ - if (priv->has_preamble) { - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFPREAMBLE_SYMBOL, - priv->preamble); - if (err) { - printk(KERN_ERR "%s: Error %d setting preamble\n", - dev->name, err); - return err; - } - } - - /* Set up encryption */ - if (priv->has_wep || priv->has_wpa) { - err = __orinoco_hw_setup_enc(priv); - if (err) { - printk(KERN_ERR "%s: Error %d activating encryption\n", - dev->name, err); - return err; - } - } - - if (priv->iw_mode == NL80211_IFTYPE_MONITOR) { - /* Enable monitor mode */ - dev->type = ARPHRD_IEEE80211; - err = hw->ops->cmd_wait(hw, HERMES_CMD_TEST | - HERMES_TEST_MONITOR, 0, NULL); - } else { - /* Disable monitor mode */ - dev->type = ARPHRD_ETHER; - err = hw->ops->cmd_wait(hw, HERMES_CMD_TEST | - HERMES_TEST_STOP, 0, NULL); - } - if (err) - return err; - - /* Reset promiscuity / multicast*/ - priv->promiscuous = 0; - priv->mc_count = 0; - - /* Record mode change */ - wdev->iftype = priv->iw_mode; - - return 0; -} - -/* Get tsc from the firmware */ -int orinoco_hw_get_tkip_iv(struct orinoco_private *priv, int key, u8 *tsc) -{ - struct hermes *hw = &priv->hw; - int err = 0; - u8 tsc_arr[4][ORINOCO_SEQ_LEN]; - - if ((key < 0) || (key >= 4)) - return -EINVAL; - - err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_CURRENT_TKIP_IV, - sizeof(tsc_arr), NULL, &tsc_arr); - if (!err) - memcpy(tsc, &tsc_arr[key][0], sizeof(tsc_arr[0])); - - return err; -} - -int __orinoco_hw_set_bitrate(struct orinoco_private *priv) -{ - struct hermes *hw = &priv->hw; - int ratemode = priv->bitratemode; - int err = 0; - - if (ratemode >= BITRATE_TABLE_SIZE) { - printk(KERN_ERR "%s: BUG: Invalid bitrate mode %d\n", - priv->ndev->name, ratemode); - return -EINVAL; - } - - switch (priv->firmware_type) { - case FIRMWARE_TYPE_AGERE: - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFTXRATECONTROL, - bitrate_table[ratemode].agere_txratectrl); - break; - case FIRMWARE_TYPE_INTERSIL: - case FIRMWARE_TYPE_SYMBOL: - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFTXRATECONTROL, - bitrate_table[ratemode].intersil_txratectrl); - break; - default: - BUG(); - } - - return err; -} - -int orinoco_hw_get_act_bitrate(struct orinoco_private *priv, int *bitrate) -{ - struct hermes *hw = &priv->hw; - int i; - int err = 0; - u16 val; - - err = hermes_read_wordrec(hw, USER_BAP, - HERMES_RID_CURRENTTXRATE, &val); - if (err) - return err; - - switch (priv->firmware_type) { - case FIRMWARE_TYPE_AGERE: /* Lucent style rate */ - /* Note : in Lucent firmware, the return value of - * HERMES_RID_CURRENTTXRATE is the bitrate in Mb/s, - * and therefore is totally different from the - * encoding of HERMES_RID_CNFTXRATECONTROL. - * Don't forget that 6Mb/s is really 5.5Mb/s */ - if (val == 6) - *bitrate = 5500000; - else - *bitrate = val * 1000000; - break; - case FIRMWARE_TYPE_INTERSIL: /* Intersil style rate */ - case FIRMWARE_TYPE_SYMBOL: /* Symbol style rate */ - for (i = 0; i < BITRATE_TABLE_SIZE; i++) - if (bitrate_table[i].intersil_txratectrl == val) { - *bitrate = bitrate_table[i].bitrate * 100000; - break; - } - - if (i >= BITRATE_TABLE_SIZE) { - printk(KERN_INFO "%s: Unable to determine current bitrate (0x%04hx)\n", - priv->ndev->name, val); - err = -EIO; - } - - break; - default: - BUG(); - } - - return err; -} - -/* Set fixed AP address */ -int __orinoco_hw_set_wap(struct orinoco_private *priv) -{ - int roaming_flag; - int err = 0; - struct hermes *hw = &priv->hw; - - switch (priv->firmware_type) { - case FIRMWARE_TYPE_AGERE: - /* not supported */ - break; - case FIRMWARE_TYPE_INTERSIL: - if (priv->bssid_fixed) - roaming_flag = 2; - else - roaming_flag = 1; - - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFROAMINGMODE, - roaming_flag); - break; - case FIRMWARE_TYPE_SYMBOL: - err = HERMES_WRITE_RECORD(hw, USER_BAP, - HERMES_RID_CNFMANDATORYBSSID_SYMBOL, - &priv->desired_bssid); - break; - } - return err; -} - -/* Change the WEP keys and/or the current keys. Can be called - * either from __orinoco_hw_setup_enc() or directly from - * orinoco_ioctl_setiwencode(). In the later case the association - * with the AP is not broken (if the firmware can handle it), - * which is needed for 802.1x implementations. */ -int __orinoco_hw_setup_wepkeys(struct orinoco_private *priv) -{ - struct hermes *hw = &priv->hw; - int err = 0; - int i; - - switch (priv->firmware_type) { - case FIRMWARE_TYPE_AGERE: - { - struct orinoco_key keys[ORINOCO_MAX_KEYS]; - - memset(&keys, 0, sizeof(keys)); - for (i = 0; i < ORINOCO_MAX_KEYS; i++) { - int len = min(priv->keys[i].key_len, - ORINOCO_MAX_KEY_SIZE); - memcpy(&keys[i].data, priv->keys[i].key, len); - if (len > SMALL_KEY_SIZE) - keys[i].len = cpu_to_le16(LARGE_KEY_SIZE); - else if (len > 0) - keys[i].len = cpu_to_le16(SMALL_KEY_SIZE); - else - keys[i].len = cpu_to_le16(0); - } - - err = HERMES_WRITE_RECORD(hw, USER_BAP, - HERMES_RID_CNFWEPKEYS_AGERE, - &keys); - if (err) - return err; - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFTXKEY_AGERE, - priv->tx_key); - if (err) - return err; - break; - } - case FIRMWARE_TYPE_INTERSIL: - case FIRMWARE_TYPE_SYMBOL: - { - int keylen; - - /* Force uniform key length to work around - * firmware bugs */ - keylen = priv->keys[priv->tx_key].key_len; - - if (keylen > LARGE_KEY_SIZE) { - printk(KERN_ERR "%s: BUG: Key %d has oversize length %d.\n", - priv->ndev->name, priv->tx_key, keylen); - return -E2BIG; - } else if (keylen > SMALL_KEY_SIZE) - keylen = LARGE_KEY_SIZE; - else if (keylen > 0) - keylen = SMALL_KEY_SIZE; - else - keylen = 0; - - /* Write all 4 keys */ - for (i = 0; i < ORINOCO_MAX_KEYS; i++) { - u8 key[LARGE_KEY_SIZE] = { 0 }; - - memcpy(key, priv->keys[i].key, - priv->keys[i].key_len); - - err = hw->ops->write_ltv(hw, USER_BAP, - HERMES_RID_CNFDEFAULTKEY0 + i, - HERMES_BYTES_TO_RECLEN(keylen), - key); - if (err) - return err; - } - - /* Write the index of the key used in transmission */ - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFWEPDEFAULTKEYID, - priv->tx_key); - if (err) - return err; - } - break; - } - - return 0; -} - -int __orinoco_hw_setup_enc(struct orinoco_private *priv) -{ - struct hermes *hw = &priv->hw; - int err = 0; - int master_wep_flag; - int auth_flag; - int enc_flag; - - /* Setup WEP keys */ - if (priv->encode_alg == ORINOCO_ALG_WEP) - __orinoco_hw_setup_wepkeys(priv); - - if (priv->wep_restrict) - auth_flag = HERMES_AUTH_SHARED_KEY; - else - auth_flag = HERMES_AUTH_OPEN; - - if (priv->wpa_enabled) - enc_flag = 2; - else if (priv->encode_alg == ORINOCO_ALG_WEP) - enc_flag = 1; - else - enc_flag = 0; - - switch (priv->firmware_type) { - case FIRMWARE_TYPE_AGERE: /* Agere style WEP */ - if (priv->encode_alg == ORINOCO_ALG_WEP) { - /* Enable the shared-key authentication. */ - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFAUTHENTICATION_AGERE, - auth_flag); - } - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFWEPENABLED_AGERE, - enc_flag); - if (err) - return err; - - if (priv->has_wpa) { - /* Set WPA key management */ - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFSETWPAAUTHMGMTSUITE_AGERE, - priv->key_mgmt); - if (err) - return err; - } - - break; - - case FIRMWARE_TYPE_INTERSIL: /* Intersil style WEP */ - case FIRMWARE_TYPE_SYMBOL: /* Symbol style WEP */ - if (priv->encode_alg == ORINOCO_ALG_WEP) { - if (priv->wep_restrict || - (priv->firmware_type == FIRMWARE_TYPE_SYMBOL)) - master_wep_flag = HERMES_WEP_PRIVACY_INVOKED | - HERMES_WEP_EXCL_UNENCRYPTED; - else - master_wep_flag = HERMES_WEP_PRIVACY_INVOKED; - - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFAUTHENTICATION, - auth_flag); - if (err) - return err; - } else - master_wep_flag = 0; - - if (priv->iw_mode == NL80211_IFTYPE_MONITOR) - master_wep_flag |= HERMES_WEP_HOST_DECRYPT; - - /* Master WEP setting : on/off */ - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFWEPFLAGS_INTERSIL, - master_wep_flag); - if (err) - return err; - - break; - } - - return 0; -} - -/* key must be 32 bytes, including the tx and rx MIC keys. - * rsc must be NULL or up to 8 bytes - * tsc must be NULL or up to 8 bytes - */ -int __orinoco_hw_set_tkip_key(struct orinoco_private *priv, int key_idx, - int set_tx, const u8 *key, const u8 *rsc, - size_t rsc_len, const u8 *tsc, size_t tsc_len) -{ - struct { - __le16 idx; - u8 rsc[ORINOCO_SEQ_LEN]; - u8 key[TKIP_KEYLEN]; - u8 tx_mic[MIC_KEYLEN]; - u8 rx_mic[MIC_KEYLEN]; - u8 tsc[ORINOCO_SEQ_LEN]; - } __packed buf; - struct hermes *hw = &priv->hw; - int ret; - int err; - int k; - u16 xmitting; - - key_idx &= 0x3; - - if (set_tx) - key_idx |= 0x8000; - - buf.idx = cpu_to_le16(key_idx); - memcpy(buf.key, key, - sizeof(buf.key) + sizeof(buf.tx_mic) + sizeof(buf.rx_mic)); - - if (rsc_len > sizeof(buf.rsc)) - rsc_len = sizeof(buf.rsc); - - if (tsc_len > sizeof(buf.tsc)) - tsc_len = sizeof(buf.tsc); - - memset(buf.rsc, 0, sizeof(buf.rsc)); - memset(buf.tsc, 0, sizeof(buf.tsc)); - - if (rsc != NULL) - memcpy(buf.rsc, rsc, rsc_len); - - if (tsc != NULL) - memcpy(buf.tsc, tsc, tsc_len); - else - buf.tsc[4] = 0x10; - - /* Wait up to 100ms for tx queue to empty */ - for (k = 100; k > 0; k--) { - udelay(1000); - ret = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_TXQUEUEEMPTY, - &xmitting); - if (ret || !xmitting) - break; - } - - if (k == 0) - ret = -ETIMEDOUT; - - err = HERMES_WRITE_RECORD(hw, USER_BAP, - HERMES_RID_CNFADDDEFAULTTKIPKEY_AGERE, - &buf); - - return ret ? ret : err; -} - -int orinoco_clear_tkip_key(struct orinoco_private *priv, int key_idx) -{ - struct hermes *hw = &priv->hw; - int err; - - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFREMDEFAULTTKIPKEY_AGERE, - key_idx); - if (err) - printk(KERN_WARNING "%s: Error %d clearing TKIP key %d\n", - priv->ndev->name, err, key_idx); - return err; -} - -int __orinoco_hw_set_multicast_list(struct orinoco_private *priv, - struct net_device *dev, - int mc_count, int promisc) -{ - struct hermes *hw = &priv->hw; - int err = 0; - - if (promisc != priv->promiscuous) { - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFPROMISCUOUSMODE, - promisc); - if (err) { - printk(KERN_ERR "%s: Error %d setting PROMISCUOUSMODE to 1.\n", - priv->ndev->name, err); - } else - priv->promiscuous = promisc; - } - - /* If we're not in promiscuous mode, then we need to set the - * group address if either we want to multicast, or if we were - * multicasting and want to stop */ - if (!promisc && (mc_count || priv->mc_count)) { - struct netdev_hw_addr *ha; - struct hermes_multicast mclist; - int i = 0; - - netdev_for_each_mc_addr(ha, dev) { - if (i == mc_count) - break; - memcpy(mclist.addr[i++], ha->addr, ETH_ALEN); - } - - err = hw->ops->write_ltv(hw, USER_BAP, - HERMES_RID_CNFGROUPADDRESSES, - HERMES_BYTES_TO_RECLEN(mc_count * ETH_ALEN), - &mclist); - if (err) - printk(KERN_ERR "%s: Error %d setting multicast list.\n", - priv->ndev->name, err); - else - priv->mc_count = mc_count; - } - return err; -} - -/* Return : < 0 -> error code ; >= 0 -> length */ -int orinoco_hw_get_essid(struct orinoco_private *priv, int *active, - char buf[IW_ESSID_MAX_SIZE + 1]) -{ - struct hermes *hw = &priv->hw; - int err = 0; - struct hermes_idstring essidbuf; - char *p = (char *)(&essidbuf.val); - int len; - unsigned long flags; - - if (orinoco_lock(priv, &flags) != 0) - return -EBUSY; - - if (strlen(priv->desired_essid) > 0) { - /* We read the desired SSID from the hardware rather - than from priv->desired_essid, just in case the - firmware is allowed to change it on us. I'm not - sure about this */ - /* My guess is that the OWNSSID should always be whatever - * we set to the card, whereas CURRENT_SSID is the one that - * may change... - Jean II */ - u16 rid; - - *active = 1; - - rid = (priv->port_type == 3) ? HERMES_RID_CNFOWNSSID : - HERMES_RID_CNFDESIREDSSID; - - err = hw->ops->read_ltv(hw, USER_BAP, rid, sizeof(essidbuf), - NULL, &essidbuf); - if (err) - goto fail_unlock; - } else { - *active = 0; - - err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_CURRENTSSID, - sizeof(essidbuf), NULL, &essidbuf); - if (err) - goto fail_unlock; - } - - len = le16_to_cpu(essidbuf.len); - BUG_ON(len > IW_ESSID_MAX_SIZE); - - memset(buf, 0, IW_ESSID_MAX_SIZE); - memcpy(buf, p, len); - err = len; - - fail_unlock: - orinoco_unlock(priv, &flags); - - return err; -} - -int orinoco_hw_get_freq(struct orinoco_private *priv) -{ - struct hermes *hw = &priv->hw; - int err = 0; - u16 channel; - int freq = 0; - unsigned long flags; - - if (orinoco_lock(priv, &flags) != 0) - return -EBUSY; - - err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CURRENTCHANNEL, - &channel); - if (err) - goto out; - - /* Intersil firmware 1.3.5 returns 0 when the interface is down */ - if (channel == 0) { - err = -EBUSY; - goto out; - } - - if ((channel < 1) || (channel > NUM_CHANNELS)) { - printk(KERN_WARNING "%s: Channel out of range (%d)!\n", - priv->ndev->name, channel); - err = -EBUSY; - goto out; - - } - freq = ieee80211_channel_to_frequency(channel, IEEE80211_BAND_2GHZ); - - out: - orinoco_unlock(priv, &flags); - - if (err > 0) - err = -EBUSY; - return err ? err : freq; -} - -int orinoco_hw_get_bitratelist(struct orinoco_private *priv, - int *numrates, s32 *rates, int max) -{ - struct hermes *hw = &priv->hw; - struct hermes_idstring list; - unsigned char *p = (unsigned char *)&list.val; - int err = 0; - int num; - int i; - unsigned long flags; - - if (orinoco_lock(priv, &flags) != 0) - return -EBUSY; - - err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_SUPPORTEDDATARATES, - sizeof(list), NULL, &list); - orinoco_unlock(priv, &flags); - - if (err) - return err; - - num = le16_to_cpu(list.len); - *numrates = num; - num = min(num, max); - - for (i = 0; i < num; i++) - rates[i] = (p[i] & 0x7f) * 500000; /* convert to bps */ - - return 0; -} - -int orinoco_hw_trigger_scan(struct orinoco_private *priv, - const struct cfg80211_ssid *ssid) -{ - struct net_device *dev = priv->ndev; - struct hermes *hw = &priv->hw; - unsigned long flags; - int err = 0; - - if (orinoco_lock(priv, &flags) != 0) - return -EBUSY; - - /* Scanning with port 0 disabled would fail */ - if (!netif_running(dev)) { - err = -ENETDOWN; - goto out; - } - - /* In monitor mode, the scan results are always empty. - * Probe responses are passed to the driver as received - * frames and could be processed in software. */ - if (priv->iw_mode == NL80211_IFTYPE_MONITOR) { - err = -EOPNOTSUPP; - goto out; - } - - if (priv->has_hostscan) { - switch (priv->firmware_type) { - case FIRMWARE_TYPE_SYMBOL: - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFHOSTSCAN_SYMBOL, - HERMES_HOSTSCAN_SYMBOL_ONCE | - HERMES_HOSTSCAN_SYMBOL_BCAST); - break; - case FIRMWARE_TYPE_INTERSIL: { - __le16 req[3]; - - req[0] = cpu_to_le16(0x3fff); /* All channels */ - req[1] = cpu_to_le16(0x0001); /* rate 1 Mbps */ - req[2] = 0; /* Any ESSID */ - err = HERMES_WRITE_RECORD(hw, USER_BAP, - HERMES_RID_CNFHOSTSCAN, &req); - break; - } - case FIRMWARE_TYPE_AGERE: - if (ssid->ssid_len > 0) { - struct hermes_idstring idbuf; - size_t len = ssid->ssid_len; - - idbuf.len = cpu_to_le16(len); - memcpy(idbuf.val, ssid->ssid, len); - - err = hw->ops->write_ltv(hw, USER_BAP, - HERMES_RID_CNFSCANSSID_AGERE, - HERMES_BYTES_TO_RECLEN(len + 2), - &idbuf); - } else - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFSCANSSID_AGERE, - 0); /* Any ESSID */ - if (err) - break; - - if (priv->has_ext_scan) { - err = hermes_write_wordrec(hw, USER_BAP, - HERMES_RID_CNFSCANCHANNELS2GHZ, - 0x7FFF); - if (err) - goto out; - - err = hermes_inquire(hw, - HERMES_INQ_CHANNELINFO); - } else - err = hermes_inquire(hw, HERMES_INQ_SCAN); - - break; - } - } else - err = hermes_inquire(hw, HERMES_INQ_SCAN); - - out: - orinoco_unlock(priv, &flags); - - return err; -} - -/* Disassociate from node with BSSID addr */ -int orinoco_hw_disassociate(struct orinoco_private *priv, - u8 *addr, u16 reason_code) -{ - struct hermes *hw = &priv->hw; - int err; - - struct { - u8 addr[ETH_ALEN]; - __le16 reason_code; - } __packed buf; - - /* Currently only supported by WPA enabled Agere fw */ - if (!priv->has_wpa) - return -EOPNOTSUPP; - - memcpy(buf.addr, addr, ETH_ALEN); - buf.reason_code = cpu_to_le16(reason_code); - err = HERMES_WRITE_RECORD(hw, USER_BAP, - HERMES_RID_CNFDISASSOCIATE, - &buf); - return err; -} - -int orinoco_hw_get_current_bssid(struct orinoco_private *priv, - u8 *addr) -{ - struct hermes *hw = &priv->hw; - int err; - - err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_CURRENTBSSID, - ETH_ALEN, NULL, addr); - - return err; -} |