/* Encapsulate basic setting changes and retrieval on Hermes hardware * * See copyright notice in main.c */ #include #include #include #include #include #include #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, u8 *key, u8 *rsc, size_t rsc_len, 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; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) memcpy(mclist.addr[i++], ha->addr, ETH_ALEN); #else memcpy(mclist.addr[i++], ha->dmi_addr, ETH_ALEN); #endif } 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_dsss_chan_to_freq(channel); 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; }