diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/airo.c | 59 |
1 files changed, 27 insertions, 32 deletions
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index a08aadfa09ac..e4ca5f84d610 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -1233,6 +1233,9 @@ struct airo_info { #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE char proc_name[IFNAMSIZ]; + int wep_capable; + int max_wep_idx; + /* WPA-related stuff */ unsigned int bssListFirst; unsigned int bssListNext; @@ -2836,6 +2839,9 @@ static struct net_device *_init_airo_card( unsigned short irq, int port, rc = -EIO; goto err_out_wifi; } + /* WEP capability discovery */ + ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0; + ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0; airo_print_info(dev->name, "Firmware version %x.%x.%02x", ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF), @@ -6265,11 +6271,9 @@ static int airo_get_mode(struct net_device *dev, return 0; } -static inline int valid_index(CapabilityRid *p, int index) +static inline int valid_index(struct airo_info *ai, int index) { - if (index < 0) - return 0; - return index < (p->softCap & cpu_to_le16(0x80) ? 4 : 1); + return (index >= 0) && (index <= ai->max_wep_idx); } /*------------------------------------------------------------------*/ @@ -6282,16 +6286,12 @@ static int airo_set_encode(struct net_device *dev, char *extra) { struct airo_info *local = dev->ml_priv; - CapabilityRid cap_rid; /* Card capability info */ int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 ); __le16 currentAuthType = local->config.authType; - /* Is WEP supported ? */ - readCapabilityRid(local, &cap_rid, 1); - /* Older firmware doesn't support this... - if(!(cap_rid.softCap & cpu_to_le16(2))) { + if (!local->wep_capable) return -EOPNOTSUPP; - } */ + readConfigRid(local, 1); /* Basic checking: do we have a key to set ? @@ -6304,13 +6304,16 @@ static int airo_set_encode(struct net_device *dev, wep_key_t key; int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; int current_index = get_wep_key(local, 0xffff); + /* Check the size of the key */ if (dwrq->length > MAX_KEY_SIZE) { return -EINVAL; } + /* Check the index (none -> use current) */ - if (!valid_index(&cap_rid, index)) + if (!valid_index(local, index)) index = current_index; + /* Set the length */ if (dwrq->length > MIN_KEY_SIZE) key.len = MAX_KEY_SIZE; @@ -6339,12 +6342,13 @@ static int airo_set_encode(struct net_device *dev, } else { /* Do we want to just set the transmit key index ? */ int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; - if (valid_index(&cap_rid, index)) { + if (valid_index(local, index)) set_wep_key(local, index, NULL, 0, perm, 1); - } else + else { /* Don't complain if only change the mode */ if (!(dwrq->flags & IW_ENCODE_MODE)) return -EINVAL; + } } /* Read the flags */ if(dwrq->flags & IW_ENCODE_DISABLED) @@ -6370,14 +6374,12 @@ static int airo_get_encode(struct net_device *dev, { struct airo_info *local = dev->ml_priv; int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; - CapabilityRid cap_rid; /* Card capability info */ - /* Is it supported ? */ - readCapabilityRid(local, &cap_rid, 1); - if(!(cap_rid.softCap & cpu_to_le16(2))) { + if (!local->wep_capable) return -EOPNOTSUPP; - } + readConfigRid(local, 1); + /* Check encryption mode */ switch(local->config.authType) { case AUTH_ENCRYPT: @@ -6396,7 +6398,7 @@ static int airo_get_encode(struct net_device *dev, memset(extra, 0, 16); /* Which key do we want ? -1 -> tx index */ - if (!valid_index(&cap_rid, index)) + if (!valid_index(local, index)) index = get_wep_key(local, 0xffff); dwrq->flags |= index + 1; /* Copy the key to the user buffer */ @@ -6419,24 +6421,20 @@ static int airo_set_encodeext(struct net_device *dev, struct airo_info *local = dev->ml_priv; struct iw_point *encoding = &wrqu->encoding; struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; - CapabilityRid cap_rid; /* Card capability info */ int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 ); __le16 currentAuthType = local->config.authType; int idx, key_len, alg = ext->alg, set_key = 1; wep_key_t key; - /* Is WEP supported ? */ - readCapabilityRid(local, &cap_rid, 1); - /* Older firmware doesn't support this... - if(!(cap_rid.softCap & cpu_to_le16(2))) { + if (!local->wep_capable) return -EOPNOTSUPP; - } */ + readConfigRid(local, 1); /* Determine and validate the key index */ idx = encoding->flags & IW_ENCODE_INDEX; if (idx) { - if (!valid_index(&cap_rid, idx - 1)) + if (!valid_index(local, idx - 1)) return -EINVAL; idx--; } else @@ -6505,14 +6503,11 @@ static int airo_get_encodeext(struct net_device *dev, struct airo_info *local = dev->ml_priv; struct iw_point *encoding = &wrqu->encoding; struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; - CapabilityRid cap_rid; /* Card capability info */ int idx, max_key_len; - /* Is it supported ? */ - readCapabilityRid(local, &cap_rid, 1); - if(!(cap_rid.softCap & cpu_to_le16(2))) { + if (!local->wep_capable) return -EOPNOTSUPP; - } + readConfigRid(local, 1); max_key_len = encoding->length - sizeof(*ext); @@ -6521,7 +6516,7 @@ static int airo_get_encodeext(struct net_device *dev, idx = encoding->flags & IW_ENCODE_INDEX; if (idx) { - if (!valid_index(&cap_rid, idx - 1)) + if (!valid_index(local, idx - 1)) return -EINVAL; idx--; } else |