diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2009-03-28 20:29:51 +0000 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-03-28 20:29:51 +0000 |
commit | ed40d0c472b136682b2fcba05f89762859c7374f (patch) | |
tree | 076b83a26bcd63d6158463735dd34c10bbc591dc /drivers/net/wireless/airo.c | |
parent | 9e495834e59ca9b29f1a1f63b9f5533bb022ac49 (diff) | |
parent | 5d80f8e5a9dc9c9a94d4aeaa567e219a808b8a4a (diff) |
Merge branch 'origin' into devel
Conflicts:
sound/soc/pxa/pxa2xx-i2s.c
Diffstat (limited to 'drivers/net/wireless/airo.c')
-rw-r--r-- | drivers/net/wireless/airo.c | 1210 |
1 files changed, 677 insertions, 533 deletions
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index fc4322ca669..7e80aba8a14 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -496,39 +496,41 @@ typedef struct { * so all rid access should use the read/writeXXXRid routines. */ -/* This is redundant for x86 archs, but it seems necessary for ARM */ -#pragma pack(1) - /* This structure came from an email sent to me from an engineer at aironet for inclusion into this driver */ -typedef struct { +typedef struct WepKeyRid WepKeyRid; +struct WepKeyRid { __le16 len; __le16 kindex; u8 mac[ETH_ALEN]; __le16 klen; u8 key[16]; -} WepKeyRid; +} __attribute__ ((packed)); /* These structures are from the Aironet's PC4500 Developers Manual */ -typedef struct { +typedef struct Ssid Ssid; +struct Ssid { __le16 len; u8 ssid[32]; -} Ssid; +} __attribute__ ((packed)); -typedef struct { +typedef struct SsidRid SsidRid; +struct SsidRid { __le16 len; Ssid ssids[3]; -} SsidRid; +} __attribute__ ((packed)); -typedef struct { +typedef struct ModulationRid ModulationRid; +struct ModulationRid { __le16 len; __le16 modulation; #define MOD_DEFAULT cpu_to_le16(0) #define MOD_CCK cpu_to_le16(1) #define MOD_MOK cpu_to_le16(2) -} ModulationRid; +} __attribute__ ((packed)); -typedef struct { +typedef struct ConfigRid ConfigRid; +struct ConfigRid { __le16 len; /* sizeof(ConfigRid) */ __le16 opmode; /* operating mode */ #define MODE_STA_IBSS cpu_to_le16(0) @@ -649,9 +651,10 @@ typedef struct { #define MAGIC_STAY_IN_CAM (1<<10) u8 magicControl; __le16 autoWake; -} ConfigRid; +} __attribute__ ((packed)); -typedef struct { +typedef struct StatusRid StatusRid; +struct StatusRid { __le16 len; u8 mac[ETH_ALEN]; __le16 mode; @@ -707,21 +710,23 @@ typedef struct { #define STAT_LEAPFAILED 91 #define STAT_LEAPTIMEDOUT 92 #define STAT_LEAPCOMPLETE 93 -} StatusRid; +} __attribute__ ((packed)); -typedef struct { +typedef struct StatsRid StatsRid; +struct StatsRid { __le16 len; __le16 spacer; __le32 vals[100]; -} StatsRid; - +} __attribute__ ((packed)); -typedef struct { +typedef struct APListRid APListRid; +struct APListRid { __le16 len; u8 ap[4][ETH_ALEN]; -} APListRid; +} __attribute__ ((packed)); -typedef struct { +typedef struct CapabilityRid CapabilityRid; +struct CapabilityRid { __le16 len; char oui[3]; char zero; @@ -748,17 +753,18 @@ typedef struct { __le16 bootBlockVer; __le16 requiredHard; __le16 extSoftCap; -} CapabilityRid; - +} __attribute__ ((packed)); /* Only present on firmware >= 5.30.17 */ -typedef struct { +typedef struct BSSListRidExtra BSSListRidExtra; +struct BSSListRidExtra { __le16 unknown[4]; u8 fixed[12]; /* WLAN management frame */ u8 iep[624]; -} BSSListRidExtra; +} __attribute__ ((packed)); -typedef struct { +typedef struct BSSListRid BSSListRid; +struct BSSListRid { __le16 len; __le16 index; /* First is 0 and 0xffff means end of list */ #define RADIO_FH 1 /* Frequency hopping radio type */ @@ -789,33 +795,37 @@ typedef struct { /* Only present on firmware >= 5.30.17 */ BSSListRidExtra extra; -} BSSListRid; +} __attribute__ ((packed)); typedef struct { BSSListRid bss; struct list_head list; } BSSListElement; -typedef struct { +typedef struct tdsRssiEntry tdsRssiEntry; +struct tdsRssiEntry { u8 rssipct; u8 rssidBm; -} tdsRssiEntry; +} __attribute__ ((packed)); -typedef struct { +typedef struct tdsRssiRid tdsRssiRid; +struct tdsRssiRid { u16 len; tdsRssiEntry x[256]; -} tdsRssiRid; +} __attribute__ ((packed)); -typedef struct { - u16 len; - u16 state; - u16 multicastValid; +typedef struct MICRid MICRid; +struct MICRid { + __le16 len; + __le16 state; + __le16 multicastValid; u8 multicast[16]; - u16 unicastValid; + __le16 unicastValid; u8 unicast[16]; -} MICRid; +} __attribute__ ((packed)); -typedef struct { +typedef struct MICBuffer MICBuffer; +struct MICBuffer { __be16 typelen; union { @@ -830,15 +840,13 @@ typedef struct { } u; __be32 mic; __be32 seq; -} MICBuffer; +} __attribute__ ((packed)); typedef struct { u8 da[ETH_ALEN]; u8 sa[ETH_ALEN]; } etherHead; -#pragma pack() - #define TXCTL_TXOK (1<<1) /* report if tx is ok */ #define TXCTL_TXEX (1<<2) /* report if tx fails */ #define TXCTL_802_3 (0<<3) /* 802.3 packet */ @@ -981,6 +989,14 @@ typedef struct { dma_addr_t host_addr; } TxFid; +struct rx_hdr { + __le16 status, len; + u8 rssi[2]; + u8 rate; + u8 freq; + __le16 tmp[4]; +} __attribute__ ((packed)); + typedef struct { unsigned int ctl: 15; unsigned int rdy: 1; @@ -1070,10 +1086,6 @@ static WifiCtlHdr wifictlhdr8023 = { } }; -// Frequency list (map channels to frequencies) -static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442, - 2447, 2452, 2457, 2462, 2467, 2472, 2484 }; - // A few details needed for WEP (Wireless Equivalent Privacy) #define MAX_KEY_SIZE 13 // 128 (?) bits #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP @@ -1082,12 +1094,6 @@ typedef struct wep_key_t { u8 key[16]; /* 40-bit and 104-bit keys */ } wep_key_t; -/* Backward compatibility */ -#ifndef IW_ENCODE_NOKEY -#define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */ -#define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN) -#endif /* IW_ENCODE_NOKEY */ - /* List of Wireless Handlers (new API) */ static const struct iw_handler_def airo_handler_def; @@ -1155,7 +1161,7 @@ struct airo_info { use the high bit to mark whether it is in use. */ #define MAX_FIDS 6 #define MPI_MAX_FIDS 1 - int fids[MAX_FIDS]; + u32 fids[MAX_FIDS]; ConfigRid config; char keyindex; // Used with auto wep char defindex; // Used with auto wep @@ -1229,6 +1235,9 @@ 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; @@ -1287,6 +1296,29 @@ static void emmh32_update(emmh32_context *context, u8 *pOctets, int len); static void emmh32_final(emmh32_context *context, u8 digest[4]); static int flashpchar(struct airo_info *ai,int byte,int dwelltime); +static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len, + struct crypto_cipher *tfm) +{ + /* If the current MIC context is valid and its key is the same as + * the MIC register, there's nothing to do. + */ + if (cur->valid && (memcmp(cur->key, key, key_len) == 0)) + return; + + /* Age current mic Context */ + memcpy(old, cur, sizeof(*cur)); + + /* Initialize new context */ + memcpy(cur->key, key, key_len); + cur->window = 33; /* Window always points to the middle */ + cur->rx = 0; /* Rx Sequence numbers */ + cur->tx = 0; /* Tx sequence numbers */ + cur->valid = 1; /* Key is now valid */ + + /* Give key to mic seed */ + emmh32_setseed(&cur->seed, key, key_len, tfm); +} + /* micinit - Initialize mic seed */ static void micinit(struct airo_info *ai) @@ -1297,49 +1329,26 @@ static void micinit(struct airo_info *ai) PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0); up(&ai->sem); - ai->micstats.enabled = (mic_rid.state & 0x00FF) ? 1 : 0; - - if (ai->micstats.enabled) { - /* Key must be valid and different */ - if (mic_rid.multicastValid && (!ai->mod[0].mCtx.valid || - (memcmp (ai->mod[0].mCtx.key, mic_rid.multicast, - sizeof(ai->mod[0].mCtx.key)) != 0))) { - /* Age current mic Context */ - memcpy(&ai->mod[1].mCtx,&ai->mod[0].mCtx,sizeof(miccntx)); - /* Initialize new context */ - memcpy(&ai->mod[0].mCtx.key,mic_rid.multicast,sizeof(mic_rid.multicast)); - ai->mod[0].mCtx.window = 33; //Window always points to the middle - ai->mod[0].mCtx.rx = 0; //Rx Sequence numbers - ai->mod[0].mCtx.tx = 0; //Tx sequence numbers - ai->mod[0].mCtx.valid = 1; //Key is now valid - - /* Give key to mic seed */ - emmh32_setseed(&ai->mod[0].mCtx.seed,mic_rid.multicast,sizeof(mic_rid.multicast), ai->tfm); - } - - /* Key must be valid and different */ - if (mic_rid.unicastValid && (!ai->mod[0].uCtx.valid || - (memcmp(ai->mod[0].uCtx.key, mic_rid.unicast, - sizeof(ai->mod[0].uCtx.key)) != 0))) { - /* Age current mic Context */ - memcpy(&ai->mod[1].uCtx,&ai->mod[0].uCtx,sizeof(miccntx)); - /* Initialize new context */ - memcpy(&ai->mod[0].uCtx.key,mic_rid.unicast,sizeof(mic_rid.unicast)); - - ai->mod[0].uCtx.window = 33; //Window always points to the middle - ai->mod[0].uCtx.rx = 0; //Rx Sequence numbers - ai->mod[0].uCtx.tx = 0; //Tx sequence numbers - ai->mod[0].uCtx.valid = 1; //Key is now valid - - //Give key to mic seed - emmh32_setseed(&ai->mod[0].uCtx.seed, mic_rid.unicast, sizeof(mic_rid.unicast), ai->tfm); - } - } else { - /* So next time we have a valid key and mic is enabled, we will update - * the sequence number if the key is the same as before. - */ + ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0; + if (!ai->micstats.enabled) { + /* So next time we have a valid key and mic is enabled, we will + * update the sequence number if the key is the same as before. + */ ai->mod[0].uCtx.valid = 0; ai->mod[0].mCtx.valid = 0; + return; + } + + if (mic_rid.multicastValid) { + age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx, + mic_rid.multicast, sizeof(mic_rid.multicast), + ai->tfm); + } + + if (mic_rid.unicastValid) { + age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx, + mic_rid.unicast, sizeof(mic_rid.unicast), + ai->tfm); } } @@ -2637,17 +2646,21 @@ static const struct header_ops airo_header_ops = { .parse = wll_header_parse, }; +static const struct net_device_ops airo11_netdev_ops = { + .ndo_open = airo_open, + .ndo_stop = airo_close, + .ndo_start_xmit = airo_start_xmit11, + .ndo_get_stats = airo_get_stats, + .ndo_set_mac_address = airo_set_mac_address, + .ndo_do_ioctl = airo_ioctl, + .ndo_change_mtu = airo_change_mtu, +}; + static void wifi_setup(struct net_device *dev) { + dev->netdev_ops = &airo11_netdev_ops; dev->header_ops = &airo_header_ops; - dev->hard_start_xmit = &airo_start_xmit11; - dev->get_stats = &airo_get_stats; - dev->set_mac_address = &airo_set_mac_address; - dev->do_ioctl = &airo_ioctl; dev->wireless_handlers = &airo_handler_def; - dev->change_mtu = &airo_change_mtu; - dev->open = &airo_open; - dev->stop = &airo_close; dev->type = ARPHRD_IEEE80211; dev->hard_header_len = ETH_HLEN; @@ -2730,27 +2743,32 @@ static void airo_networks_initialize(struct airo_info *ai) &ai->network_free_list); } -static int airo_test_wpa_capable(struct airo_info *ai) -{ - int status; - CapabilityRid cap_rid; - - status = readCapabilityRid(ai, &cap_rid, 1); - if (status != SUCCESS) return 0; +static const struct net_device_ops airo_netdev_ops = { + .ndo_open = airo_open, + .ndo_stop = airo_close, + .ndo_start_xmit = airo_start_xmit, + .ndo_get_stats = airo_get_stats, + .ndo_set_multicast_list = airo_set_multicast_list, + .ndo_set_mac_address = airo_set_mac_address, + .ndo_do_ioctl = airo_ioctl, + .ndo_change_mtu = airo_change_mtu, + .ndo_set_mac_address = eth_mac_addr, + .ndo_validate_addr = eth_validate_addr, +}; - /* Only firmware versions 5.30.17 or better can do WPA */ - if (le16_to_cpu(cap_rid.softVer) > 0x530 - || (le16_to_cpu(cap_rid.softVer) == 0x530 - && le16_to_cpu(cap_rid.softSubVer) >= 17)) { - airo_print_info("", "WPA is supported."); - return 1; - } +static const struct net_device_ops mpi_netdev_ops = { + .ndo_open = airo_open, + .ndo_stop = airo_close, + .ndo_start_xmit = mpi_start_xmit, + .ndo_get_stats = airo_get_stats, + .ndo_set_multicast_list = airo_set_multicast_list, + .ndo_set_mac_address = airo_set_mac_address, + .ndo_do_ioctl = airo_ioctl, + .ndo_change_mtu = airo_change_mtu, + .ndo_set_mac_address = eth_mac_addr, + .ndo_validate_addr = eth_validate_addr, +}; - /* No WPA support */ - airo_print_info("", "WPA unsupported (only firmware versions 5.30.17" - " and greater support WPA. Detected %s)", cap_rid.prodVer); - return 0; -} static struct net_device *_init_airo_card( unsigned short irq, int port, int is_pcmcia, struct pci_dev *pci, @@ -2759,6 +2777,7 @@ static struct net_device *_init_airo_card( unsigned short irq, int port, struct net_device *dev; struct airo_info *ai; int i, rc; + CapabilityRid cap_rid; /* Create the network device object. */ dev = alloc_netdev(sizeof(*ai), "", ether_setup); @@ -2788,22 +2807,16 @@ static struct net_device *_init_airo_card( unsigned short irq, int port, goto err_out_free; airo_networks_initialize (ai); + skb_queue_head_init (&ai->txq); + /* The Airo-specific entries in the device structure. */ - if (test_bit(FLAG_MPI,&ai->flags)) { - skb_queue_head_init (&ai->txq); - dev->hard_start_xmit = &mpi_start_xmit; - } else - dev->hard_start_xmit = &airo_start_xmit; - dev->get_stats = &airo_get_stats; - dev->set_multicast_list = &airo_set_multicast_list; - dev->set_mac_address = &airo_set_mac_address; - dev->do_ioctl = &airo_ioctl; + if (test_bit(FLAG_MPI,&ai->flags)) + dev->netdev_ops = &mpi_netdev_ops; + else + dev->netdev_ops = &airo_netdev_ops; dev->wireless_handlers = &airo_handler_def; ai->wireless_data.spy_data = &ai->spy_data; dev->wireless_data = &ai->wireless_data; - dev->change_mtu = &airo_change_mtu; - dev->open = &airo_open; - dev->stop = &airo_close; dev->irq = irq; dev->base_addr = port; @@ -2828,7 +2841,7 @@ static struct net_device *_init_airo_card( unsigned short irq, int port, } if (probe) { - if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) { + if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) { airo_print_err(dev->name, "MAC could not be enabled" ); rc = -EIO; goto err_out_map; @@ -2838,28 +2851,50 @@ static struct net_device *_init_airo_card( unsigned short irq, int port, set_bit(FLAG_FLASHING, &ai->flags); } + strcpy(dev->name, "eth%d"); + rc = register_netdev(dev); + if (rc) { + airo_print_err(dev->name, "Couldn't register_netdev"); + goto err_out_map; + } + ai->wifidev = init_wifidev(ai, dev); + if (!ai->wifidev) + goto err_out_reg; + + rc = readCapabilityRid(ai, &cap_rid, 1); + if (rc != SUCCESS) { + 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), + (le16_to_cpu(cap_rid.softVer) & 0xFF), + le16_to_cpu(cap_rid.softSubVer)); + /* Test for WPA support */ - if (airo_test_wpa_capable(ai)) { + /* Only firmware versions 5.30.17 or better can do WPA */ + if (le16_to_cpu(cap_rid.softVer) > 0x530 + || (le16_to_cpu(cap_rid.softVer) == 0x530 + && le16_to_cpu(cap_rid.softSubVer) >= 17)) { + airo_print_info(ai->dev->name, "WPA supported."); + set_bit(FLAG_WPA_CAPABLE, &ai->flags); ai->bssListFirst = RID_WPA_BSSLISTFIRST; ai->bssListNext = RID_WPA_BSSLISTNEXT; ai->bssListRidLen = sizeof(BSSListRid); } else { + airo_print_info(ai->dev->name, "WPA unsupported with firmware " + "versions older than 5.30.17."); + ai->bssListFirst = RID_BSSLISTFIRST; ai->bssListNext = RID_BSSLISTNEXT; ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra); } - strcpy(dev->name, "eth%d"); - rc = register_netdev(dev); - if (rc) { - airo_print_err(dev->name, "Couldn't register_netdev"); - goto err_out_map; - } - ai->wifidev = init_wifidev(ai, dev); - if (!ai->wifidev) - goto err_out_reg; - set_bit(FLAG_REGISTERED,&ai->flags); airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr); @@ -3127,314 +3162,354 @@ static int header_len(__le16 ctl) return 24; } -static irqreturn_t airo_interrupt(int irq, void *dev_id) +static void airo_handle_cisco_mic(struct airo_info *ai) { - struct net_device *dev = dev_id; + if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) { + set_bit(JOB_MIC, &ai->jobs); + wake_up_interruptible(&ai->thr_wait); + } +} + +/* Airo Status codes */ +#define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */ +#define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */ +#define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/ +#define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */ +#define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */ +#define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */ +#define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */ +#define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */ +#define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */ +#define STAT_ASSOC 0x0400 /* Associated */ +#define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */ + +static void airo_print_status(const char *devname, u16 status) +{ + u8 reason = status & 0xFF; + + switch (status) { + case STAT_NOBEACON: + airo_print_dbg(devname, "link lost (missed beacons)"); + break; + case STAT_MAXRETRIES: + case STAT_MAXARL: + airo_print_dbg(devname, "link lost (max retries)"); + break; + case STAT_FORCELOSS: + airo_print_dbg(devname, "link lost (local choice)"); + break; + case STAT_TSFSYNC: + airo_print_dbg(devname, "link lost (TSF sync lost)"); + break; + case STAT_DEAUTH: + airo_print_dbg(devname, "deauthenticated (reason: %d)", reason); + break; + case STAT_DISASSOC: + airo_print_dbg(devname, "disassociated (reason: %d)", reason); + break; + case STAT_ASSOC_FAIL: + airo_print_dbg(devname, "association failed (reason: %d)", + reason); + break; + case STAT_AUTH_FAIL: + airo_print_dbg(devname, "authentication failed (reason: %d)", + reason); + break; + default: + break; + } +} + +static void airo_handle_link(struct airo_info *ai) +{ + union iwreq_data wrqu; + int scan_forceloss = 0; u16 status; - u16 fid; - struct airo_info *apriv = dev->ml_priv; - u16 savedInterrupts = 0; - int handled = 0; - if (!netif_device_present(dev)) - return IRQ_NONE; + /* Get new status and acknowledge the link change */ + status = le16_to_cpu(IN4500(ai, LINKSTAT)); + OUT4500(ai, EVACK, EV_LINK); - for (;;) { - status = IN4500( apriv, EVSTAT ); - if ( !(status & STATUS_INTS) || status == 0xffff ) break; + if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0)) + scan_forceloss = 1; - handled = 1; + airo_print_status(ai->dev->name, status); - if ( status & EV_AWAKE ) { - OUT4500( apriv, EVACK, EV_AWAKE ); - OUT4500( apriv, EVACK, EV_AWAKE ); - } + if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) { + if (auto_wep) + ai->expires = 0; + if (ai->list_bss_task) + wake_up_process(ai->list_bss_task); + set_bit(FLAG_UPDATE_UNI, &ai->flags); + set_bit(FLAG_UPDATE_MULTI, &ai->flags); - if (!savedInterrupts) { - savedInterrupts = IN4500( apriv, EVINTEN ); - OUT4500( apriv, EVINTEN, 0 ); + if (down_trylock(&ai->sem) != 0) { + set_bit(JOB_EVENT, &ai->jobs); + wake_up_interruptible(&ai->thr_wait); + } else + airo_send_event(ai->dev); + } else if (!scan_forceloss) { + if (auto_wep && !ai->expires) { + ai->expires = RUN_AT(3*HZ); + wake_up_interruptible(&ai->thr_wait); } - if ( status & EV_MIC ) { - OUT4500( apriv, EVACK, EV_MIC ); - if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) { - set_bit(JOB_MIC, &apriv->jobs); - wake_up_interruptible(&apriv->thr_wait); - } - } - if ( status & EV_LINK ) { - union iwreq_data wrqu; - int scan_forceloss = 0; - /* The link status has changed, if you want to put a - monitor hook in, do it here. (Remember that - interrupts are still disabled!) - */ - u16 newStatus = IN4500(apriv, LINKSTAT); - OUT4500( apriv, EVACK, EV_LINK); - /* Here is what newStatus means: */ -#define NOBEACON 0x8000 /* Loss of sync - missed beacons */ -#define MAXRETRIES 0x8001 /* Loss of sync - max retries */ -#define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/ -#define FORCELOSS 0x8003 /* Loss of sync - host request */ -#define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */ -#define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */ -#define DISASS 0x8200 /* Disassociation (low byte is reason code) */ -#define ASSFAIL 0x8400 /* Association failure (low byte is reason - code) */ -#define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason - code) */ -#define ASSOCIATED 0x0400 /* Associated */ -#define REASSOCIATED 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */ -#define RC_RESERVED 0 /* Reserved return code */ -#define RC_NOREASON 1 /* Unspecified reason */ -#define RC_AUTHINV 2 /* Previous authentication invalid */ -#define RC_DEAUTH 3 /* Deauthenticated because sending station is - leaving */ -#define RC_NOACT 4 /* Disassociated due to inactivity */ -#define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle - all currently associated stations */ -#define RC_BADCLASS2 6 /* Class 2 frame received from - non-Authenticated station */ -#define RC_BADCLASS3 7 /* Class 3 frame received from - non-Associated station */ -#define RC_STATLEAVE 8 /* Disassociated because sending station is - leaving BSS */ -#define RC_NOAUTH 9 /* Station requesting (Re)Association is not - Authenticated with the responding station */ - if (newStatus == FORCELOSS && apriv->scan_timeout > 0) - scan_forceloss = 1; - if(newStatus == ASSOCIATED || newStatus == REASSOCIATED) { - if (auto_wep) - apriv->expires = 0; - if (apriv->list_bss_task) - wake_up_process(apriv->list_bss_task); - set_bit(FLAG_UPDATE_UNI, &apriv->flags); - set_bit(FLAG_UPDATE_MULTI, &apriv->flags); - - if (down_trylock(&apriv->sem) != 0) { - set_bit(JOB_EVENT, &apriv->jobs); - wake_up_interruptible(&apriv->thr_wait); - } else - airo_send_event(dev); - } else if (!scan_forceloss) { - if (auto_wep && !apriv->expires) { - apriv->expires = RUN_AT(3*HZ); - wake_up_interruptible(&apriv->thr_wait); - } + /* Send event to user space */ + memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN); + wrqu.ap_addr.sa_family = ARPHRD_ETHER; + wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL); + } +} - /* Send event to user space */ - memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN); - wrqu.ap_addr.sa_family = ARPHRD_ETHER; - wireless_send_event(dev, SIOCGIWAP, &wrqu,NULL); - } - } +static void airo_handle_rx(struct airo_info *ai) +{ + struct sk_buff *skb = NULL; + __le16 fc, v, *buffer, tmpbuf[4]; + u16 len, hdrlen = 0, gap, fid; + struct rx_hdr hdr; + int success = 0; - /* Check to see if there is something to receive */ - if ( status & EV_RX ) { - struct sk_buff *skb = NULL; - __le16 fc, v; - u16 len, hdrlen = 0; -#pragma pack(1) - struct { - __le16 status, len; - u8 rssi[2]; - u8 rate; - u8 freq; - __le16 tmp[4]; - } hdr; -#pragma pack() - u16 gap; - __le16 tmpbuf[4]; - __le16 *buffer; - - if (test_bit(FLAG_MPI,&apriv->flags)) { - if (test_bit(FLAG_802_11, &apriv->flags)) - mpi_receive_802_11(apriv); - else - mpi_receive_802_3(apriv); - OUT4500(apriv, EVACK, EV_RX); - goto exitrx; - } + if (test_bit(FLAG_MPI, &ai->flags)) { + if (test_bit(FLAG_802_11, &ai->flags)) + mpi_receive_802_11(ai); + else + mpi_receive_802_3(ai); + OUT4500(ai, EVACK, EV_RX); + return; + } - fid = IN4500( apriv, RXFID ); - - /* Get the packet length */ - if (test_bit(FLAG_802_11, &apriv->flags)) { - bap_setup (apriv, fid, 4, BAP0); - bap_read (apriv, (__le16*)&hdr, sizeof(hdr), BAP0); - /* Bad CRC. Ignore packet */ - if (le16_to_cpu(hdr.status) & 2) - hdr.len = 0; - if (apriv->wifidev == NULL) - hdr.len = 0; - } else { - bap_setup (apriv, fid, 0x36, BAP0); - bap_read (apriv, &hdr.len, 2, BAP0); - } - len = le16_to_cpu(hdr.len); + fid = IN4500(ai, RXFID); - if (len > AIRO_DEF_MTU) { - airo_print_err(apriv->dev->name, "Bad size %d", len); - goto badrx; - } - if (len == 0) - goto badrx; + /* Get the packet length */ + if (test_bit(FLAG_802_11, &ai->flags)) { + bap_setup (ai, fid, 4, BAP0); + bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0); + /* Bad CRC. Ignore packet */ + if (le16_to_cpu(hdr.status) & 2) + hdr.len = 0; + if (ai->wifidev == NULL) + hdr.len = 0; + } else { + bap_setup(ai, fid, 0x36, BAP0); + bap_read(ai, &hdr.len, 2, BAP0); + } + len = le16_to_cpu(hdr.len); - if (test_bit(FLAG_802_11, &apriv->flags)) { - bap_read (apriv, &fc, sizeof(fc), BAP0); - hdrlen = header_len(fc); - } else - hdrlen = ETH_ALEN * 2; + if (len > AIRO_DEF_MTU) { + airo_print_err(ai->dev->name, "Bad size %d", len); + goto done; + } + if (len == 0) + goto done; - skb = dev_alloc_skb( len + hdrlen + 2 + 2 ); - if ( !skb ) { - dev->stats.rx_dropped++; - goto badrx; - } - skb_reserve(skb, 2); /* This way the IP header is aligned */ - buffer = (__le16*)skb_put (skb, len + hdrlen); - if (test_bit(FLAG_802_11, &apriv->flags)) { - buffer[0] = fc; - bap_read (apriv, buffer + 1, hdrlen - 2, BAP0); - if (hdrlen == 24) - bap_read (apriv, tmpbuf, 6, BAP0); - - bap_read (apriv, &v, sizeof(v), BAP0); - gap = le16_to_cpu(v); - if (gap) { - if (gap <= 8) { - bap_read (apriv, tmpbuf, gap, BAP0); - } else { - airo_print_err(apriv->dev->name, "gaplen too " - "big. Problems will follow..."); - } - } - bap_read (apriv, buffer + hdrlen/2, len, BAP0); + if (test_bit(FLAG_802_11, &ai->flags)) { + bap_read(ai, &fc, sizeof (fc), BAP0); + hdrlen = header_len(fc); + } else + hdrlen = ETH_ALEN * 2; + + skb = dev_alloc_skb(len + hdrlen + 2 + 2); + if (!skb) { + ai->dev->stats.rx_dropped++; + goto done; + } + + skb_reserve(skb, 2); /* This way the IP header is aligned */ + buffer = (__le16 *) skb_put(skb, len + hdrlen); + if (test_bit(FLAG_802_11, &ai->flags)) { + buffer[0] = fc; + bap_read(ai, buffer + 1, hdrlen - 2, BAP0); + if (hdrlen == 24) + bap_read(ai, tmpbuf, 6, BAP0); + + bap_read(ai, &v, sizeof(v), BAP0); + gap = le16_to_cpu(v); + if (gap) { + if (gap <= 8) { + bap_read(ai, tmpbuf, gap, BAP0); } else { - MICBuffer micbuf; - bap_read (apriv, buffer, ETH_ALEN*2, BAP0); - if (apriv->micstats.enabled) { - bap_read (apriv,(__le16*)&micbuf,sizeof(micbuf),BAP0); - if (ntohs(micbuf.typelen) > 0x05DC) - bap_setup (apriv, fid, 0x44, BAP0); - else { - if (len <= sizeof(micbuf)) - goto badmic; - - len -= sizeof(micbuf); - skb_trim (skb, len + hdrlen); - } - } - bap_read(apriv,buffer+ETH_ALEN,len,BAP0); - if (decapsulate(apriv,&micbuf,(etherHead*)buffer,len)) { -badmic: - dev_kfree_skb_irq (skb); -badrx: - OUT4500( apriv, EVACK, EV_RX); - goto exitrx; + airo_print_err(ai->dev->name, "gaplen too " + "big. Problems will follow..."); + } + } + bap_read(ai, buffer + hdrlen/2, len, BAP0); + } else { + MICBuffer micbuf; + + bap_read(ai, buffer, ETH_ALEN * 2, BAP0); + if (ai->micstats.enabled) { + bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0); + if (ntohs(micbuf.typelen) > 0x05DC) + bap_setup(ai, fid, 0x44, BAP0); + else { + if (len <= sizeof (micbuf)) { + dev_kfree_skb_irq(skb); + goto done; } + + len -= sizeof(micbuf); + skb_trim(skb, len + hdrlen); } + } + + bap_read(ai, buffer + ETH_ALEN, len, BAP0); + if (decapsulate(ai, &micbuf, (etherHead*) buffer, len)) + dev_kfree_skb_irq (skb); + else + success = 1; + } + #ifdef WIRELESS_SPY - if (apriv->spy_data.spy_number > 0) { - char *sa; - struct iw_quality wstats; - /* Prepare spy data : addr + qual */ - if (!test_bit(FLAG_802_11, &apriv->flags)) { - sa = (char*)buffer + 6; - bap_setup (apriv, fid, 8, BAP0); - bap_read (apriv, (__le16*)hdr.rssi, 2, BAP0); - } else - sa = (char*)buffer + 10; - wstats.qual = hdr.rssi[0]; - if (apriv->rssi) - wstats.level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm; - else - wstats.level = (hdr.rssi[1] + 321) / 2; - wstats.noise = apriv->wstats.qual.noise; - wstats.updated = IW_QUAL_LEVEL_UPDATED - | IW_QUAL_QUAL_UPDATED - | IW_QUAL_DBM; - /* Update spy records */ - wireless_spy_update(dev, sa, &wstats); - } + if (success && (ai->spy_data.spy_number > 0)) { + char *sa; + struct iw_quality wstats; + + /* Prepare spy data : addr + qual */ + if (!test_bit(FLAG_802_11, &ai->flags)) { + sa = (char *) buffer + 6; + bap_setup(ai, fid, 8, BAP0); + bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0); + } else + sa = (char *) buffer + 10; + wstats.qual = hdr.rssi[0]; + if (ai->rssi) + wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm; + else + wstats.level = (hdr.rssi[1] + 321) / 2; + wstats.noise = ai->wstats.qual.noise; + wstats.updated = IW_QUAL_LEVEL_UPDATED + | IW_QUAL_QUAL_UPDATED + | IW_QUAL_DBM; + /* Update spy records */ + wireless_spy_update(ai->dev, sa, &wstats); + } #endif /* WIRELESS_SPY */ - OUT4500( apriv, EVACK, EV_RX); - if (test_bit(FLAG_802_11, &apriv->flags)) { - skb_reset_mac_header(skb); - skb->pkt_type = PACKET_OTHERHOST; - skb->dev = apriv->wifidev; - skb->protocol = htons(ETH_P_802_2); - } else - skb->protocol = eth_type_trans(skb,dev); - skb->ip_summed = CHECKSUM_NONE; +done: + OUT4500(ai, EVACK, EV_RX); + + if (success) { + if (test_bit(FLAG_802_11, &ai->flags)) { + skb_reset_mac_header(skb); + skb->pkt_type = PACKET_OTHERHOST; + skb->dev = ai->wifidev; + skb->protocol = htons(ETH_P_802_2); + } else + skb->protocol = eth_type_trans(skb, ai->dev); + skb->ip_summed = CHECKSUM_NONE; + + netif_rx(skb); + } +} + +static void airo_handle_tx(struct airo_info *ai, u16 status) +{ + int i, len = 0, index = -1; + u16 fid; - netif_rx( skb ); + if (test_bit(FLAG_MPI, &ai->flags)) { + unsigned long flags; + + if (status & EV_TXEXC) + get_tx_error(ai, -1); + + spin_lock_irqsave(&ai->aux_lock, flags); + if (!skb_queue_empty(&ai->txq)) { + spin_unlock_irqrestore(&ai->aux_lock,flags); + mpi_send_packet(ai->dev); + } else { + clear_bit(FLAG_PENDING_XMIT, &ai->flags); + spin_unlock_irqrestore(&ai->aux_lock,flags); + netif_wake_queue(ai->dev); } -exitrx: + OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC)); + return; + } - /* Check to see if a packet has been transmitted */ - if ( status & ( EV_TX|EV_TXCPY|EV_TXEXC ) ) { - int i; - int len = 0; - int index = -1; - - if (test_bit(FLAG_MPI,&apriv->flags)) { - unsigned long flags; - - if (status & EV_TXEXC) - get_tx_error(apriv, -1); - spin_lock_irqsave(&apriv->aux_lock, flags); - if (!skb_queue_empty(&apriv->txq)) { - spin_unlock_irqrestore(&apriv->aux_lock,flags); - mpi_send_packet (dev); - } else { - clear_bit(FLAG_PENDING_XMIT, &apriv->flags); - spin_unlock_irqrestore(&apriv->aux_lock,flags); - netif_wake_queue (dev); - } - OUT4500( apriv, EVACK, - status & (EV_TX|EV_TXCPY|EV_TXEXC)); - goto exittx; - } + fid = IN4500(ai, TXCOMPLFID); + + for(i = 0; i < MAX_FIDS; i++) { + if ((ai->fids[i] & 0xffff) == fid) { + len = ai->fids[i] >> 16; + index = i; + } + } - fid = IN4500(apriv, TXCOMPLFID); + if (index != -1) { + if (status & EV_TXEXC) + get_tx_error(ai, index); - for( i = 0; i < MAX_FIDS; i++ ) { - if ( ( apriv->fids[i] & 0xffff ) == fid ) { - len = apriv->fids[i] >> 16; - index = i; - } - } - if (index != -1) { - if (status & EV_TXEXC) - get_tx_error(apriv, index); - OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC)); - /* Set up to be used again */ - apriv->fids[index] &= 0xffff; - if (index < MAX_FIDS / 2) { - if (!test_bit(FLAG_PENDING_XMIT, &apriv->flags)) - netif_wake_queue(dev); - } else { - if (!test_bit(FLAG_PENDING_XMIT11, &apriv->flags)) - netif_wake_queue(apriv->wifidev); - } - } else { - OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC)); - airo_print_err(apriv->dev->name, "Unallocated FID was " - "used to xmit" ); - } + OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC)); + + /* Set up to be used again */ + ai->fids[index] &= 0xffff; + if (index < MAX_FIDS / 2) { + if (!test_bit(FLAG_PENDING_XMIT, &ai->flags)) + netif_wake_queue(ai->dev); + } else { + if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags)) + netif_wake_queue(ai->wifidev); + } + } else { + OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC)); + airo_print_err(ai->dev->name, "Unallocated FID was used to xmit"); + } +} + +static irqreturn_t airo_interrupt(int irq, void *dev_id) +{ + struct net_device *dev = dev_id; + u16 status, savedInterrupts = 0; + struct airo_info *ai = dev->ml_priv; + int handled = 0; + + if (!netif_device_present(dev)) + return IRQ_NONE; + + for (;;) { + status = IN4500(ai, EVSTAT); + if (!(status & STATUS_INTS) || (status == 0xffff)) + break; + + handled = 1; + + if (status & EV_AWAKE) { + OUT4500(ai, EVACK, EV_AWAKE); + OUT4500(ai, EVACK, EV_AWAKE); + } + + if (!savedInterrupts) { + savedInterrupts = IN4500(ai, EVINTEN); + OUT4500(ai, EVINTEN, 0); + } + + if (status & EV_MIC) { + OUT4500(ai, EVACK, EV_MIC); + airo_handle_cisco_mic(ai); } -exittx: - if ( status & ~STATUS_INTS & ~IGNORE_INTS ) - airo_print_warn(apriv->dev->name, "Got weird status %x", + + if (status & EV_LINK) { + /* Link status changed */ + airo_handle_link(ai); + } + + /* Check to see if there is something to receive */ + if (status & EV_RX) + airo_handle_rx(ai); + + /* Check to see if a packet has been transmitted */ + if (status & (EV_TX | EV_TXCPY | EV_TXEXC)) + airo_handle_tx(ai, status); + + if ( status & ~STATUS_INTS & ~IGNORE_INTS ) { + airo_print_warn(ai->dev->name, "Got weird status %x", status & ~STATUS_INTS & ~IGNORE_INTS ); + } } if (savedInterrupts) - OUT4500( apriv, EVINTEN, savedInterrupts ); + OUT4500(ai, EVINTEN, savedInterrupts); - /* done.. */ return IRQ_RETVAL(handled); } @@ -3613,18 +3688,10 @@ static void mpi_receive_802_11(struct airo_info *ai) struct sk_buff *skb = NULL; u16 len, hdrlen = 0; __le16 fc; -#pragma pack(1) - struct { - __le16 status, len; - u8 rssi[2]; - u8 rate; - u8 freq; - __le16 tmp[4]; - } hdr; -#pragma pack() + struct rx_hdr hdr; u16 gap; u16 *buffer; - char *ptr = ai->rxfids[0].virtual_host_addr+4; + char *ptr = ai->rxfids[0].virtual_host_addr + 4; memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd)); memcpy ((char *)&hdr, ptr, sizeof(hdr)); @@ -3691,6 +3758,7 @@ static void mpi_receive_802_11(struct airo_info *ai) skb->protocol = htons(ETH_P_802_2); skb->ip_summed = CHECKSUM_NONE; netif_rx( skb ); + badrx: if (rxd.valid == 0) { rxd.valid = 1; @@ -3705,7 +3773,6 @@ static u16 setup_card(struct airo_info *ai, u8 *mac, int lock) Cmd cmd; Resp rsp; int status; - int i; SsidRid mySsid; __le16 lastindex; WepKeyRid wkr; @@ -3747,6 +3814,7 @@ static u16 setup_card(struct airo_info *ai, u8 *mac, int lock) if (lock) up(&ai->sem); if (ai->config.len == 0) { + int i; tdsRssiRid rssi_rid; CapabilityRid cap_rid; @@ -3794,14 +3862,12 @@ static u16 setup_card(struct airo_info *ai, u8 *mac, int lock) /* Check to see if there are any insmod configured rates to add */ if ( rates[0] ) { - int i = 0; memset(ai->config.rates,0,sizeof(ai->config.rates)); for( i = 0; i < 8 && rates[i]; i++ ) { ai->config.rates[i] = rates[i]; } } if ( basic_rate > 0 ) { - int i; for( i = 0; i < 8; i++ ) { if ( ai->config.rates[i] == basic_rate || !ai->config.rates ) { @@ -4686,7 +4752,7 @@ static int proc_stats_rid_open( struct inode *inode, StatsRid stats; int i, j; __le32 *vals = stats.vals; - int len = le16_to_cpu(stats.len); + int len; if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL) return -ENOMEM; @@ -4697,6 +4763,7 @@ static int proc_stats_rid_open( struct inode *inode, } readStatsRid(apriv, &stats, rid, 1); + len = le16_to_cpu(stats.len); j = 0; for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) { @@ -5131,55 +5198,98 @@ static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data, return rc; } -/* Returns the length of the key at the index. If index == 0xffff - * the index of the transmit key is returned. If the key doesn't exist, - * -1 will be returned. +/* Returns the WEP key at the specified index, or -1 if that key does + * not exist. The buffer is assumed to be at least 16 bytes in length. */ -static int get_wep_key(struct airo_info *ai, u16 index) { +static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen) +{ WepKeyRid wkr; int rc; __le16 lastindex; rc = readWepKeyRid(ai, &wkr, 1, 1); - if (rc == SUCCESS) do { + if (rc != SUCCESS) + return -1; + do { lastindex = wkr.kindex; - if (wkr.kindex == cpu_to_le16(index)) { - if (index == 0xffff) { - return wkr.mac[0]; - } - return le16_to_cpu(wkr.klen); + if (le16_to_cpu(wkr.kindex) == index) { + int klen = min_t(int, buflen, le16_to_cpu(wkr.klen)); + memcpy(buf, wkr.key, klen); + return klen; } - readWepKeyRid(ai, &wkr, 0, 1); + rc = readWepKeyRid(ai, &wkr, 0, 1); + if (rc != SUCCESS) + return -1; } while (lastindex != wkr.kindex); return -1; } -static int set_wep_key(struct airo_info *ai, u16 index, - const char *key, u16 keylen, int perm, int lock ) +static int get_wep_tx_idx(struct airo_info *ai) +{ + WepKeyRid wkr; + int rc; + __le16 lastindex; + + rc = readWepKeyRid(ai, &wkr, 1, 1); + if (rc != SUCCESS) + return -1; + do { + lastindex = wkr.kindex; + if (wkr.kindex == cpu_to_le16(0xffff)) + return wkr.mac[0]; + rc = readWepKeyRid(ai, &wkr, 0, 1); + if (rc != SUCCESS) + return -1; + } while (lastindex != wkr.kindex); + return -1; +} + +static int set_wep_key(struct airo_info *ai, u16 index, const char *key, + u16 keylen, int perm, int lock) { static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 }; WepKeyRid wkr; + int rc; - memset(&wkr, 0, sizeof(wkr)); if (keylen == 0) { -// We are selecting which key to use - wkr.len = cpu_to_le16(sizeof(wkr)); - wkr.kindex = cpu_to_le16(0xffff); - wkr.mac[0] = (char)index; - if (perm) ai->defindex = (char)index; - } else { -// We are actually setting the key - wkr.len = cpu_to_le16(sizeof(wkr)); - wkr.kindex = cpu_to_le16(index); - wkr.klen = cpu_to_le16(keylen); - memcpy( wkr.key, key, keylen ); - memcpy( wkr.mac, macaddr, ETH_ALEN ); + airo_print_err(ai->dev->name, "%s: key length to set was zero", + __func__); + return -1; } + memset(&wkr, 0, sizeof(wkr)); + wkr.len = cpu_to_le16(sizeof(wkr)); + wkr.kindex = cpu_to_le16(index); + wkr.klen = cpu_to_le16(keylen); + memcpy(wkr.key, key, keylen); + memcpy(wkr.mac, macaddr, ETH_ALEN); + if (perm) disable_MAC(ai, lock); - writeWepKeyRid(ai, &wkr, perm, lock); + rc = writeWepKeyRid(ai, &wkr, perm, lock); if (perm) enable_MAC(ai, lock); - return 0; + return rc; +} + +static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock) +{ + WepKeyRid wkr; + int rc; + + memset(&wkr, 0, sizeof(wkr)); + wkr.len = cpu_to_le16(sizeof(wkr)); + wkr.kindex = cpu_to_le16(0xffff); + wkr.mac[0] = (char)index; + + if (perm) { + ai->defindex = (char)index; + disable_MAC(ai, lock); + } + + rc = writeWepKeyRid(ai, &wkr, perm, lock); + + if (perm) + enable_MAC(ai, lock); + return rc; } static void proc_wepkey_on_close( struct inode *inode, struct file *file ) { @@ -5187,7 +5297,7 @@ static void proc_wepkey_on_close( struct inode *inode, struct file *file ) { struct proc_dir_entry *dp = PDE(inode); struct net_device *dev = dp->data; struct airo_info *ai = dev->ml_priv; - int i; + int i, rc; char key[16]; u16 index = 0; int j = 0; @@ -5201,7 +5311,12 @@ static void proc_wepkey_on_close( struct inode *inode, struct file *file ) { (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) { index = data->wbuffer[0] - '0'; if (data->wbuffer[1] == '\n') { - set_wep_key(ai, index, NULL, 0, 1, 1); + rc = set_wep_tx_idx(ai, index, 1, 1); + if (rc < 0) { + airo_print_err(ai->dev->name, "failed to set " + "WEP transmit index to %d: %d.", + index, rc); + } return; } j = 2; @@ -5220,7 +5335,12 @@ static void proc_wepkey_on_close( struct inode *inode, struct file *file ) { break; } } - set_wep_key(ai, index, key, i/3, 1, 1); + + rc = set_wep_key(ai, index, key, i/3, 1, 1); + if (rc < 0) { + airo_print_err(ai->dev->name, "failed to set WEP key at index " + "%d: %d.", index, rc); + } } static int proc_wepkey_open( struct inode *inode, struct file *file ) @@ -5451,13 +5571,13 @@ static void timer_func( struct net_device *dev ) { break; case AUTH_SHAREDKEY: if (apriv->keyindex < auto_wep) { - set_wep_key(apriv, apriv->keyindex, NULL, 0, 0, 0); + set_wep_tx_idx(apriv, apriv->keyindex, 0, 0); apriv->config.authType = AUTH_SHAREDKEY; apriv->keyindex++; } else { /* Drop to ENCRYPT */ apriv->keyindex = 0; - set_wep_key(apriv, apriv->defindex, NULL, 0, 0, 0); + set_wep_tx_idx(apriv, apriv->defindex, 0, 0); apriv->config.authType = AUTH_ENCRYPT; } break; @@ -5725,16 +5845,12 @@ static int airo_set_freq(struct net_device *dev, int rc = -EINPROGRESS; /* Call commit handler */ /* If setting by frequency, convert to a channel */ - if((fwrq->e == 1) && - (fwrq->m >= (int) 2.412e8) && - (fwrq->m <= (int) 2.487e8)) { + if(fwrq->e == 1) { int f = fwrq->m / 100000; - int c = 0; - while((c < 14) && (f != frequency_list[c])) - c++; + /* Hack to fall through... */ fwrq->e = 0; - fwrq->m = c + 1; + fwrq->m = ieee80211_freq_to_dsss_chan(f); } /* Setting by channel number */ if((fwrq->m > 1000) || (fwrq->e > 0)) @@ -5778,7 +5894,7 @@ static int airo_get_freq(struct net_device *dev, ch = le16_to_cpu(status_rid.channel); if((ch > 0) && (ch < 15)) { - fwrq->m = frequency_list[ch - 1] * 100000; + fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000; fwrq->e = 1; } else { fwrq->m = ch; @@ -6234,11 +6350,9 @@ 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); } /*------------------------------------------------------------------*/ @@ -6251,16 +6365,13 @@ 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 ); + int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1); __le16 currentAuthType = local->config.authType; + int rc = 0; - /* 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 ? @@ -6272,14 +6383,21 @@ static int airo_set_encode(struct net_device *dev, if (dwrq->length > 0) { wep_key_t key; int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; - int current_index = get_wep_key(local, 0xffff); + int current_index; + /* Check the size of the key */ if (dwrq->length > MAX_KEY_SIZE) { return -EINVAL; } + + current_index = get_wep_tx_idx(local); + if (current_index < 0) + current_index = 0; + /* 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; @@ -6296,7 +6414,13 @@ static int airo_set_encode(struct net_device *dev, /* Copy the key in the driver */ memcpy(key.key, extra, dwrq->length); /* Send the key to the card */ - set_wep_key(local, index, key.key, key.len, perm, 1); + rc = set_wep_key(local, index, key.key, key.len, perm, 1); + if (rc < 0) { + airo_print_err(local->dev->name, "failed to set" + " WEP key at index %d: %d.", + index, rc); + return rc; + } } /* WE specify that if a valid key is set, encryption * should be enabled (user may turn it off later) @@ -6308,12 +6432,19 @@ 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)) { - set_wep_key(local, index, NULL, 0, perm, 1); - } else + if (valid_index(local, index)) { + rc = set_wep_tx_idx(local, index, perm, 1); + if (rc < 0) { + airo_print_err(local->dev->name, "failed to set" + " WEP transmit index to %d: %d.", + index, rc); + return rc; + } + } 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) @@ -6339,14 +6470,13 @@ 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 */ + u8 buf[16]; - /* 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: @@ -6365,14 +6495,17 @@ 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)) - index = get_wep_key(local, 0xffff); + if (!valid_index(local, index)) { + index = get_wep_tx_idx(local); + if (index < 0) + index = 0; + } dwrq->flags |= index + 1; + /* Copy the key to the user buffer */ - dwrq->length = get_wep_key(local, index); - if (dwrq->length > 16) { - dwrq->length=0; - } + dwrq->length = get_wep_key(local, index, &buf[0], sizeof(buf)); + memcpy(extra, buf, dwrq->length); + return 0; } @@ -6388,28 +6521,27 @@ 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; + int idx, key_len, alg = ext->alg, set_key = 1, rc; 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 - idx = get_wep_key(local, 0xffff); + } else { + idx = get_wep_tx_idx(local); + if (idx < 0) + idx = 0; + } if (encoding->flags & IW_ENCODE_DISABLED) alg = IW_ENCODE_ALG_NONE; @@ -6418,7 +6550,13 @@ static int airo_set_encodeext(struct net_device *dev, /* Only set transmit key index here, actual * key is set below if needed. */ - set_wep_key(local, idx, NULL, 0, perm, 1); + rc = set_wep_tx_idx(local, idx, perm, 1); + if (rc < 0) { + airo_print_err(local->dev->name, "failed to set " + "WEP transmit index to %d: %d.", + idx, rc); + return rc; + } set_key = ext->key_len > 0 ? 1 : 0; } @@ -6444,7 +6582,12 @@ static int airo_set_encodeext(struct net_device *dev, return -EINVAL; } /* Send the key to the card */ - set_wep_key(local, idx, key.key, key.len, perm, 1); + rc = set_wep_key(local, idx, key.key, key.len, perm, 1); + if (rc < 0) { + airo_print_err(local->dev->name, "failed to set WEP key" + " at index %d: %d.", idx, rc); + return rc; + } } /* Read the flags */ @@ -6474,14 +6617,12 @@ 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; + u8 buf[16]; - /* 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); @@ -6490,11 +6631,14 @@ 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 - idx = get_wep_key(local, 0xffff); + } else { + idx = get_wep_tx_idx(local); + if (idx < 0) + idx = 0; + } encoding->flags = idx + 1; memset(ext, 0, sizeof(*ext)); @@ -6517,10 +6661,8 @@ static int airo_get_encodeext(struct net_device *dev, memset(extra, 0, 16); /* Copy the key to the user buffer */ - ext->key_len = get_wep_key(local, idx); - if (ext->key_len > 16) { - ext->key_len=0; - } + ext->key_len = get_wep_key(local, idx, &buf[0], sizeof(buf)); + memcpy(extra, buf, ext->key_len); return 0; } @@ -6795,8 +6937,8 @@ static int airo_get_range(struct net_device *dev, k = 0; for(i = 0; i < 14; i++) { range->freq[k].i = i + 1; /* List index */ - range->freq[k].m = frequency_list[i] * 100000; - range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */ + range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000; + range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */ } range->num_frequency = k; @@ -7031,11 +7173,15 @@ static int airo_get_aplist(struct net_device *dev, { struct airo_info *local = dev->ml_priv; struct sockaddr *address = (struct sockaddr *) extra; - struct iw_quality qual[IW_MAX_AP]; + struct iw_quality *qual; BSSListRid BSSList; int i; int loseSync = capable(CAP_NET_ADMIN) ? 1: -1; + qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL); + if (!qual) + return -ENOMEM; + for (i = 0; i < IW_MAX_AP; i++) { u16 dBm; if (readBSSListRid(local, loseSync, &BSSList)) @@ -7090,6 +7236,7 @@ static int airo_get_aplist(struct net_device *dev, } dwrq->length = i; + kfree(qual); return 0; } @@ -7189,10 +7336,7 @@ static inline char *airo_translate_scan(struct net_device *dev, /* Add frequency */ iwe.cmd = SIOCGIWFREQ; iwe.u.freq.m = le16_to_cpu(bss->dsChannel); - /* iwe.u.freq.m containt the channel (starting 1), our - * frequency_list array start at index 0... - */ - iwe.u.freq.m = frequency_list[iwe.u.freq.m - 1] * 100000; + iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000; iwe.u.freq.e = 1; current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_FREQ_LEN); |