diff options
Diffstat (limited to 'drivers/net/wireless/orinoco/main.c')
| -rw-r--r-- | drivers/net/wireless/orinoco/main.c | 583 |
1 files changed, 1 insertions, 582 deletions
diff --git a/drivers/net/wireless/orinoco/main.c b/drivers/net/wireless/orinoco/main.c index 3e20df7b6570..a340c7d75dd1 100644 --- a/drivers/net/wireless/orinoco/main.c +++ b/drivers/net/wireless/orinoco/main.c @@ -91,6 +91,7 @@ #include "hermes_rid.h" #include "hermes_dld.h" +#include "hw.h" #include "scan.h" #include "mic.h" #include "fw.h" @@ -151,15 +152,11 @@ static const u8 encaps_hdr[] = {0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00}; #define ORINOCO_MAX_MTU (IEEE80211_MAX_DATA_LEN - ENCAPS_OVERHEAD) #define SYMBOL_MAX_VER_LEN (14) -#define USER_BAP 0 -#define IRQ_BAP 1 #define MAX_IRQLOOPS_PER_IRQ 10 #define MAX_IRQLOOPS_PER_JIFFY (20000/HZ) /* Based on a guestimate of * how many events the * device could * legitimately generate */ -#define SMALL_KEY_SIZE 5 -#define LARGE_KEY_SIZE 13 #define TX_NICBUF_SIZE_BUG 1585 /* Bug in Symbol firmware */ #define DUMMY_FID 0xFFFF @@ -179,31 +176,6 @@ static const struct iw_handler_def orinoco_handler_def; static const struct ethtool_ops orinoco_ethtool_ops; /********************************************************************/ -/* Data tables */ -/********************************************************************/ - -#define NUM_CHANNELS 14 - -/* This tables gives the actual meanings of the bitrate IDs returned - * by the firmware. */ -static 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) - -/********************************************************************/ /* Data types */ /********************************************************************/ @@ -282,33 +254,6 @@ static inline void set_port_type(struct orinoco_private *priv) } } -static 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; -} - -static 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; -} - static inline u8 *orinoco_get_ie(u8 *data, size_t len, enum ieee80211_eid eid) { @@ -933,25 +878,6 @@ static void orinoco_rx_monitor(struct net_device *dev, u16 rxfid, stats->rx_dropped++; } -/* Get tsc from the firmware */ -static int orinoco_hw_get_tkip_iv(struct orinoco_private *priv, int key, - u8 *tsc) -{ - hermes_t *hw = &priv->hw; - int err = 0; - u8 tsc_arr[4][IW_ENCODE_SEQ_MAX_SIZE]; - - if ((key < 0) || (key > 4)) - return -EINVAL; - - err = hermes_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; -} - static void __orinoco_ev_rx(struct net_device *dev, hermes_t *hw) { struct orinoco_private *priv = netdev_priv(dev); @@ -1790,334 +1716,6 @@ int orinoco_reinit_firmware(struct net_device *dev) } EXPORT_SYMBOL(orinoco_reinit_firmware); -static int __orinoco_hw_set_bitrate(struct orinoco_private *priv) -{ - hermes_t *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; -} - -static int orinoco_hw_get_act_bitrate(struct orinoco_private *priv, - int *bitrate) -{ - hermes_t *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) - break; - - if (i >= BITRATE_TABLE_SIZE) - printk(KERN_INFO "%s: Unable to determine current bitrate (0x%04hx)\n", - priv->ndev->name, val); - - *bitrate = bitrate_table[i].bitrate * 100000; - break; - default: - BUG(); - } - - return err; -} - -/* Set fixed AP address */ -static int __orinoco_hw_set_wap(struct orinoco_private *priv) -{ - int roaming_flag; - int err = 0; - hermes_t *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. */ -static int __orinoco_hw_setup_wepkeys(struct orinoco_private *priv) -{ - hermes_t *hw = &priv->hw; - int err = 0; - - switch (priv->firmware_type) { - case FIRMWARE_TYPE_AGERE: - err = HERMES_WRITE_RECORD(hw, USER_BAP, - HERMES_RID_CNFWEPKEYS_AGERE, - &priv->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; - int i; - - /* Force uniform key length to work around - * firmware bugs */ - keylen = le16_to_cpu(priv->keys[priv->tx_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; - } - - /* Write all 4 keys */ - for (i = 0; i < ORINOCO_MAX_KEYS; i++) { - err = hermes_write_ltv(hw, USER_BAP, - HERMES_RID_CNFDEFAULTKEY0 + i, - HERMES_BYTES_TO_RECLEN(keylen), - priv->keys[i].data); - 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; -} - -static int __orinoco_hw_setup_enc(struct orinoco_private *priv) -{ - hermes_t *hw = &priv->hw; - int err = 0; - int master_wep_flag; - int auth_flag; - int enc_flag; - - /* Setup WEP keys for WEP and WPA */ - if (priv->encode_alg) - __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 == IW_ENCODE_ALG_WEP) - enc_flag = 1; - else - enc_flag = 0; - - switch (priv->firmware_type) { - case FIRMWARE_TYPE_AGERE: /* Agere style WEP */ - if (priv->encode_alg == IW_ENCODE_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 == IW_ENCODE_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 == IW_MODE_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 8 bytes - * tsc must be 8 bytes or NULL - */ -static int __orinoco_hw_set_tkip_key(hermes_t *hw, int key_idx, int set_tx, - u8 *key, u8 *rsc, u8 *tsc) -{ - struct { - __le16 idx; - u8 rsc[IW_ENCODE_SEQ_MAX_SIZE]; - u8 key[TKIP_KEYLEN]; - u8 tx_mic[MIC_KEYLEN]; - u8 rx_mic[MIC_KEYLEN]; - u8 tsc[IW_ENCODE_SEQ_MAX_SIZE]; - } __attribute__ ((packed)) buf; - 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 == NULL) - memset(buf.rsc, 0, sizeof(buf.rsc)); - else - memcpy(buf.rsc, rsc, sizeof(buf.rsc)); - - if (tsc == NULL) { - memset(buf.tsc, 0, sizeof(buf.tsc)); - buf.tsc[4] = 0x10; - } else { - memcpy(buf.tsc, tsc, sizeof(buf.tsc)); - } - - /* Wait upto 100ms for tx queue to empty */ - k = 100; - do { - k--; - udelay(1000); - ret = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_TXQUEUEEMPTY, - &xmitting); - if (ret) - break; - } while ((k > 0) && xmitting); - - if (k == 0) - ret = -ETIMEDOUT; - - err = HERMES_WRITE_RECORD(hw, USER_BAP, - HERMES_RID_CNFADDDEFAULTTKIPKEY_AGERE, - &buf); - - return ret ? ret : err; -} - -static int orinoco_clear_tkip_key(struct orinoco_private *priv, - int key_idx) -{ - hermes_t *hw = &priv->hw; - int err; - - memset(&priv->tkip_key[key_idx], 0, sizeof(priv->tkip_key[key_idx])); - 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; -} - static int __orinoco_program_rids(struct net_device *dev) { struct orinoco_private *priv = netdev_priv(dev); @@ -2347,59 +1945,6 @@ static int __orinoco_program_rids(struct net_device *dev) return 0; } -static int __orinoco_hw_set_multicast_list(struct orinoco_private *priv, - struct dev_addr_list *mc_list, - int mc_count, int promisc) -{ - hermes_t *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 dev_mc_list *p = mc_list; - struct hermes_multicast mclist; - int i; - - for (i = 0; i < mc_count; i++) { - /* paranoia: is list shorter than mc_count? */ - BUG_ON(!p); - /* paranoia: bad address size in list? */ - BUG_ON(p->dmi_addrlen != ETH_ALEN); - - memcpy(mclist.addr[i], p->dmi_addr, ETH_ALEN); - p = p->next; - } - - if (p) - printk(KERN_WARNING "%s: Multicast list is " - "longer than mc_count\n", priv->ndev->name); - - err = hermes_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; -} - /* FIXME: return int? */ static void __orinoco_set_multicast_list(struct net_device *dev) @@ -3170,132 +2715,6 @@ EXPORT_SYMBOL(free_orinocodev); /* Wireless extensions */ /********************************************************************/ -/* Return : < 0 -> error code ; >= 0 -> length */ -static int orinoco_hw_get_essid(struct orinoco_private *priv, int *active, - char buf[IW_ESSID_MAX_SIZE+1]) -{ - hermes_t *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 = hermes_read_ltv(hw, USER_BAP, rid, sizeof(essidbuf), - NULL, &essidbuf); - if (err) - goto fail_unlock; - } else { - *active = 0; - - err = hermes_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; -} - -static int orinoco_hw_get_freq(struct orinoco_private *priv) -{ - - hermes_t *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; -} - -static int orinoco_hw_get_bitratelist(struct orinoco_private *priv, - int *numrates, s32 *rates, int max) -{ - hermes_t *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 = hermes_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; -} - static int orinoco_ioctl_getname(struct net_device *dev, struct iw_request_info *info, char *name, |