[PATCH] atmel: CodingStyle cleanup
Reading this driver I noticed some trailing whitespaces and tabs so I
removed them with some 80th column fitting and a few more similar
things.
Signed-off-by: Carlo Perassi <carlo@linux.it>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c
index 5e53c52..050aa51 100644
--- a/drivers/net/wireless/atmel.c
+++ b/drivers/net/wireless/atmel.c
@@ -5,9 +5,9 @@
Copyright 2000-2001 ATMEL Corporation.
Copyright 2003-2004 Simon Kelley.
- This code was developed from version 2.1.1 of the Atmel drivers,
- released by Atmel corp. under the GPL in December 2002. It also
- includes code from the Linux aironet drivers (C) Benjamin Reed,
+ This code was developed from version 2.1.1 of the Atmel drivers,
+ released by Atmel corp. under the GPL in December 2002. It also
+ includes code from the Linux aironet drivers (C) Benjamin Reed,
and the Linux PCMCIA package, (C) David Hinds and the Linux wireless
extensions, (C) Jean Tourrilhes.
@@ -31,7 +31,7 @@
along with Atmel wireless lan drivers; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- For all queries about this code, please contact the current author,
+ For all queries about this code, please contact the current author,
Simon Kelley <simon@thekelleys.org.uk> and not Atmel Corporation.
Credit is due to HP UK and Cambridge Online Systems Ltd for supplying
@@ -79,13 +79,13 @@
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("Atmel at76c50x wireless cards");
-/* The name of the firmware file to be loaded
+/* The name of the firmware file to be loaded
over-rides any automatic selection */
static char *firmware = NULL;
module_param(firmware, charp, 0);
/* table of firmware file names */
-static struct {
+static struct {
AtmelFWType fw_type;
const char *fw_file;
const char *fw_file_ext;
@@ -104,17 +104,17 @@
#define MAX_SSID_LENGTH 32
#define MGMT_JIFFIES (256 * HZ / 100)
-#define MAX_BSS_ENTRIES 64
+#define MAX_BSS_ENTRIES 64
/* registers */
-#define GCR 0x00 // (SIR0) General Configuration Register
-#define BSR 0x02 // (SIR1) Bank Switching Select Register
+#define GCR 0x00 // (SIR0) General Configuration Register
+#define BSR 0x02 // (SIR1) Bank Switching Select Register
#define AR 0x04
#define DR 0x08
-#define MR1 0x12 // Mirror Register 1
-#define MR2 0x14 // Mirror Register 2
-#define MR3 0x16 // Mirror Register 3
-#define MR4 0x18 // Mirror Register 4
+#define MR1 0x12 // Mirror Register 1
+#define MR2 0x14 // Mirror Register 2
+#define MR3 0x16 // Mirror Register 3
+#define MR4 0x18 // Mirror Register 4
#define GPR1 0x0c
#define GPR2 0x0e
@@ -123,9 +123,9 @@
// Constants for the GCR register.
//
#define GCR_REMAP 0x0400 // Remap internal SRAM to 0
-#define GCR_SWRES 0x0080 // BIU reset (ARM and PAI are NOT reset)
+#define GCR_SWRES 0x0080 // BIU reset (ARM and PAI are NOT reset)
#define GCR_CORES 0x0060 // Core Reset (ARM and PAI are reset)
-#define GCR_ENINT 0x0002 // Enable Interrupts
+#define GCR_ENINT 0x0002 // Enable Interrupts
#define GCR_ACKINT 0x0008 // Acknowledge Interrupts
#define BSS_SRAM 0x0200 // AMBA module selection --> SRAM
@@ -190,7 +190,7 @@
u32 Next;
u16 MsduPos;
u16 MsduSize;
-
+
u8 State;
u8 Status;
u8 Rate;
@@ -199,7 +199,6 @@
u8 PreambleType;
u16 Duration;
u32 RxTime;
-
};
#define RX_DESC_FLAG_VALID 0x80
@@ -218,16 +217,15 @@
#define RX_DESC_DURATION_OFFSET 14
#define RX_DESC_RX_TIME_OFFSET 16
-
struct tx_desc {
u32 NextDescriptor;
u16 TxStartOfFrame;
u16 TxLength;
-
+
u8 TxState;
u8 TxStatus;
u8 RetryCount;
-
+
u8 TxRate;
u8 KeyIndex;
@@ -238,10 +236,8 @@
u8 Reserved;
u8 PacketType;
u16 HostTxLength;
-
};
-
#define TX_DESC_NEXT_OFFSET 0
#define TX_DESC_POS_OFFSET 4
#define TX_DESC_SIZE_OFFSET 6
@@ -255,8 +251,6 @@
#define TX_DESC_PACKET_TYPE_OFFSET 17
#define TX_DESC_HOST_LENGTH_OFFSET 18
-
-
///////////////////////////////////////////////////////
// Host-MAC interface
///////////////////////////////////////////////////////
@@ -266,7 +260,6 @@
#define TX_FIRM_OWN 0x80
#define TX_DONE 0x40
-
#define TX_ERROR 0x01
#define TX_PACKET_TYPE_DATA 0x01
@@ -280,8 +273,7 @@
#define ISR_COMMAND_COMPLETE 0x10 // command completed
#define ISR_OUT_OF_RANGE 0x20 // command completed
#define ISR_IBSS_MERGE 0x40 // (4.1.2.30): IBSS merge
-#define ISR_GENERIC_IRQ 0x80
-
+#define ISR_GENERIC_IRQ 0x80
#define Local_Mib_Type 0x01
#define Mac_Address_Mib_Type 0x02
@@ -317,7 +309,6 @@
#define LOCAL_MIB_PREAMBLE_TYPE 9
#define MAC_ADDR_MIB_MAC_ADDR_POS 0
-
#define CMD_Set_MIB_Vars 0x01
#define CMD_Get_MIB_Vars 0x02
#define CMD_Scan 0x03
@@ -338,7 +329,6 @@
#define CMD_STATUS_HOST_ERROR 0xFF
#define CMD_STATUS_BUSY 0xFE
-
#define CMD_BLOCK_COMMAND_OFFSET 0
#define CMD_BLOCK_STATUS_OFFSET 1
#define CMD_BLOCK_PARAMETERS_OFFSET 4
@@ -347,15 +337,15 @@
#define MGMT_FRAME_BODY_OFFSET 24
#define MAX_AUTHENTICATION_RETRIES 3
-#define MAX_ASSOCIATION_RETRIES 3
+#define MAX_ASSOCIATION_RETRIES 3
#define AUTHENTICATION_RESPONSE_TIME_OUT 1000
#define MAX_WIRELESS_BODY 2316 /* mtu is 2312, CRC is 4 */
#define LOOP_RETRY_LIMIT 500000
-#define ACTIVE_MODE 1
-#define PS_MODE 2
+#define ACTIVE_MODE 1
+#define PS_MODE 2
#define MAX_ENCRYPTION_KEYS 4
#define MAX_ENCRYPTION_KEY_SIZE 40
@@ -377,7 +367,7 @@
#define REG_DOMAIN_MKK1 0x41 //Channel 1-14 Japan(MKK1)
#define REG_DOMAIN_ISRAEL 0x50 //Channel 3-9 ISRAEL
-#define BSS_TYPE_AD_HOC 1
+#define BSS_TYPE_AD_HOC 1
#define BSS_TYPE_INFRASTRUCTURE 2
#define SCAN_TYPE_ACTIVE 0
@@ -389,7 +379,7 @@
#define DATA_FRAME_WS_HEADER_SIZE 30
-/* promiscuous mode control */
+/* promiscuous mode control */
#define PROM_MODE_OFF 0x0
#define PROM_MODE_UNKNOWN 0x1
#define PROM_MODE_CRC_FAILED 0x2
@@ -398,8 +388,7 @@
#define PROM_MODE_CTRL 0x10
#define PROM_MODE_BAD_PROTOCOL 0x20
-
-#define IFACE_INT_STATUS_OFFSET 0
+#define IFACE_INT_STATUS_OFFSET 0
#define IFACE_INT_MASK_OFFSET 1
#define IFACE_LOCKOUT_HOST_OFFSET 2
#define IFACE_LOCKOUT_MAC_OFFSET 3
@@ -407,7 +396,7 @@
#define IFACE_MAC_STAT_OFFSET 30
#define IFACE_GENERIC_INT_TYPE_OFFSET 32
-#define CIPHER_SUITE_NONE 0
+#define CIPHER_SUITE_NONE 0
#define CIPHER_SUITE_WEP_64 1
#define CIPHER_SUITE_TKIP 2
#define CIPHER_SUITE_AES 3
@@ -419,11 +408,11 @@
//
//
-// FuncCtrl field:
+// FuncCtrl field:
//
#define FUNC_CTRL_TxENABLE 0x10
#define FUNC_CTRL_RxENABLE 0x20
-#define FUNC_CTRL_INIT_COMPLETE 0x01
+#define FUNC_CTRL_INIT_COMPLETE 0x01
/* A stub firmware image which reads the MAC address from NVRAM on the card.
For copyright information and source see the end of this file. */
@@ -486,10 +475,10 @@
struct net_device_stats stats; // device stats
spinlock_t irqlock, timerlock; // spinlocks
enum { BUS_TYPE_PCCARD, BUS_TYPE_PCI } bus_type;
- enum {
- CARD_TYPE_PARALLEL_FLASH,
+ enum {
+ CARD_TYPE_PARALLEL_FLASH,
CARD_TYPE_SPI_FLASH,
- CARD_TYPE_EEPROM
+ CARD_TYPE_EEPROM
} card_type;
int do_rx_crc; /* If we need to CRC incoming packets */
int probe_crc; /* set if we don't yet know */
@@ -497,18 +486,18 @@
u16 rx_desc_head;
u16 tx_desc_free, tx_desc_head, tx_desc_tail, tx_desc_previous;
u16 tx_free_mem, tx_buff_head, tx_buff_tail;
-
+
u16 frag_seq, frag_len, frag_no;
- u8 frag_source[6];
-
+ u8 frag_source[6];
+
u8 wep_is_on, default_key, exclude_unencrypted, encryption_level;
u8 group_cipher_suite, pairwise_cipher_suite;
u8 wep_keys[MAX_ENCRYPTION_KEYS][MAX_ENCRYPTION_KEY_SIZE];
- int wep_key_len[MAX_ENCRYPTION_KEYS];
+ int wep_key_len[MAX_ENCRYPTION_KEYS];
int use_wpa, radio_on_broken; /* firmware dependent stuff. */
u16 host_info_base;
- struct host_info_struct {
+ struct host_info_struct {
/* NB this is matched to the hardware, don't change. */
u8 volatile int_status;
u8 volatile int_mask;
@@ -524,20 +513,20 @@
u16 rx_buff_size;
u16 rx_desc_pos;
u16 rx_desc_count;
-
+
u16 build_version;
- u16 command_pos;
-
+ u16 command_pos;
+
u16 major_version;
u16 minor_version;
-
+
u16 func_ctrl;
u16 mac_status;
u16 generic_IRQ_type;
u8 reserved[2];
} host_info;
- enum {
+ enum {
STATION_STATE_SCANNING,
STATION_STATE_JOINNING,
STATION_STATE_AUTHENTICATING,
@@ -547,7 +536,7 @@
STATION_STATE_DOWN,
STATION_STATE_MGMT_ERROR
} station_state;
-
+
int operating_mode, power_mode;
time_t last_qual;
int beacons_this_sec;
@@ -560,18 +549,18 @@
int long_retry, short_retry;
int preamble;
int default_beacon_period, beacon_period, listen_interval;
- int CurrentAuthentTransactionSeqNum, ExpectedAuthentTransactionSeqNum;
+ int CurrentAuthentTransactionSeqNum, ExpectedAuthentTransactionSeqNum;
int AuthenticationRequestRetryCnt, AssociationRequestRetryCnt, ReAssociationRequestRetryCnt;
enum {
SITE_SURVEY_IDLE,
SITE_SURVEY_IN_PROGRESS,
- SITE_SURVEY_COMPLETED
+ SITE_SURVEY_COMPLETED
} site_survey_state;
time_t last_survey;
int station_was_associated, station_is_associated;
int fast_scan;
-
+
struct bss_info {
int channel;
int SSIDsize;
@@ -584,13 +573,12 @@
u8 SSID[MAX_SSID_LENGTH];
} BSSinfo[MAX_BSS_ENTRIES];
int BSS_list_entries, current_BSS;
- int connect_to_any_BSS;
+ int connect_to_any_BSS;
int SSID_size, new_SSID_size;
u8 CurrentBSSID[6], BSSID[6];
u8 SSID[MAX_SSID_LENGTH], new_SSID[MAX_SSID_LENGTH];
u64 last_beacon_timestamp;
u8 rx_buf[MAX_WIRELESS_BODY];
-
};
static u8 atmel_basic_rates[4] = {0x82,0x84,0x0b,0x16};
@@ -598,39 +586,49 @@
static const struct {
int reg_domain;
int min, max;
- char *name;
+ char *name;
} channel_table[] = { { REG_DOMAIN_FCC, 1, 11, "USA" },
{ REG_DOMAIN_DOC, 1, 11, "Canada" },
{ REG_DOMAIN_ETSI, 1, 13, "Europe" },
{ REG_DOMAIN_SPAIN, 10, 11, "Spain" },
- { REG_DOMAIN_FRANCE, 10, 13, "France" },
+ { REG_DOMAIN_FRANCE, 10, 13, "France" },
{ REG_DOMAIN_MKK, 14, 14, "MKK" },
{ REG_DOMAIN_MKK1, 1, 14, "MKK1" },
{ REG_DOMAIN_ISRAEL, 3, 9, "Israel"} };
static void build_wpa_mib(struct atmel_private *priv);
static int atmel_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
-static void atmel_copy_to_card(struct net_device *dev, u16 dest, unsigned char *src, u16 len);
-static void atmel_copy_to_host(struct net_device *dev, unsigned char *dest, u16 src, u16 len);
+static void atmel_copy_to_card(struct net_device *dev, u16 dest,
+ unsigned char *src, u16 len);
+static void atmel_copy_to_host(struct net_device *dev, unsigned char *dest,
+ u16 src, u16 len);
static void atmel_set_gcr(struct net_device *dev, u16 mask);
static void atmel_clear_gcr(struct net_device *dev, u16 mask);
static int atmel_lock_mac(struct atmel_private *priv);
static void atmel_wmem32(struct atmel_private *priv, u16 pos, u32 data);
static void atmel_command_irq(struct atmel_private *priv);
static int atmel_validate_channel(struct atmel_private *priv, int channel);
-static void atmel_management_frame(struct atmel_private *priv, struct ieee80211_hdr_4addr *header,
+static void atmel_management_frame(struct atmel_private *priv,
+ struct ieee80211_hdr_4addr *header,
u16 frame_len, u8 rssi);
static void atmel_management_timer(u_long a);
-static void atmel_send_command(struct atmel_private *priv, int command, void *cmd, int cmd_size);
-static int atmel_send_command_wait(struct atmel_private *priv, int command, void *cmd, int cmd_size);
-static void atmel_transmit_management_frame(struct atmel_private *priv, struct ieee80211_hdr_4addr *header,
+static void atmel_send_command(struct atmel_private *priv, int command,
+ void *cmd, int cmd_size);
+static int atmel_send_command_wait(struct atmel_private *priv, int command,
+ void *cmd, int cmd_size);
+static void atmel_transmit_management_frame(struct atmel_private *priv,
+ struct ieee80211_hdr_4addr *header,
u8 *body, int body_len);
static u8 atmel_get_mib8(struct atmel_private *priv, u8 type, u8 index);
-static void atmel_set_mib8(struct atmel_private *priv, u8 type, u8 index, u8 data);
-static void atmel_set_mib16(struct atmel_private *priv, u8 type, u8 index, u16 data);
-static void atmel_set_mib(struct atmel_private *priv, u8 type, u8 index, u8 *data, int data_len);
-static void atmel_get_mib(struct atmel_private *priv, u8 type, u8 index, u8 *data, int data_len);
+static void atmel_set_mib8(struct atmel_private *priv, u8 type, u8 index,
+ u8 data);
+static void atmel_set_mib16(struct atmel_private *priv, u8 type, u8 index,
+ u16 data);
+static void atmel_set_mib(struct atmel_private *priv, u8 type, u8 index,
+ u8 *data, int data_len);
+static void atmel_get_mib(struct atmel_private *priv, u8 type, u8 index,
+ u8 *data, int data_len);
static void atmel_scan(struct atmel_private *priv, int specific_ssid);
static void atmel_join_bss(struct atmel_private *priv, int bss_index);
static void atmel_smooth_qual(struct atmel_private *priv);
@@ -650,12 +648,12 @@
return priv->host_info.command_pos + offset;
}
-static inline u16 atmel_rx(struct atmel_private *priv, u16 offset, u16 desc)
+static inline u16 atmel_rx(struct atmel_private *priv, u16 offset, u16 desc)
{
return priv->host_info.rx_desc_pos + (sizeof(struct rx_desc) * desc) + offset;
}
-static inline u16 atmel_tx(struct atmel_private *priv, u16 offset, u16 desc)
+static inline u16 atmel_tx(struct atmel_private *priv, u16 offset, u16 desc)
{
return priv->host_info.tx_desc_pos + (sizeof(struct tx_desc) * desc) + offset;
}
@@ -682,25 +680,25 @@
static inline u8 atmel_rmem8(struct atmel_private *priv, u16 pos)
{
- atmel_writeAR(priv->dev, pos);
+ atmel_writeAR(priv->dev, pos);
return atmel_read8(priv->dev, DR);
}
static inline void atmel_wmem8(struct atmel_private *priv, u16 pos, u16 data)
{
- atmel_writeAR(priv->dev, pos);
+ atmel_writeAR(priv->dev, pos);
atmel_write8(priv->dev, DR, data);
}
static inline u16 atmel_rmem16(struct atmel_private *priv, u16 pos)
{
- atmel_writeAR(priv->dev, pos);
+ atmel_writeAR(priv->dev, pos);
return atmel_read16(priv->dev, DR);
}
static inline void atmel_wmem16(struct atmel_private *priv, u16 pos, u16 data)
{
- atmel_writeAR(priv->dev, pos);
+ atmel_writeAR(priv->dev, pos);
atmel_write16(priv->dev, DR, data);
}
@@ -710,11 +708,10 @@
{
int i;
- for (i = 0;
+ for (i = 0;
atmel_rmem8(priv, atmel_tx(priv, TX_DESC_FLAGS_OFFSET, priv->tx_desc_head)) == TX_DONE &&
i < priv->host_info.tx_desc_count;
i++) {
-
u8 status = atmel_rmem8(priv, atmel_tx(priv, TX_DESC_STATUS_OFFSET, priv->tx_desc_head));
u16 msdu_size = atmel_rmem16(priv, atmel_tx(priv, TX_DESC_SIZE_OFFSET, priv->tx_desc_head));
u8 type = atmel_rmem8(priv, atmel_tx(priv, TX_DESC_PACKET_TYPE_OFFSET, priv->tx_desc_head));
@@ -728,16 +725,16 @@
priv->tx_buff_head = 0;
else
priv->tx_buff_head += msdu_size;
-
+
if (priv->tx_desc_head < (priv->host_info.tx_desc_count - 1))
- priv->tx_desc_head++ ;
+ priv->tx_desc_head++ ;
else
priv->tx_desc_head = 0;
-
+
if (type == TX_PACKET_TYPE_DATA) {
if (status == TX_STATUS_SUCCESS)
priv->stats.tx_packets++;
- else
+ else
priv->stats.tx_errors++;
netif_wake_queue(priv->dev);
}
@@ -748,21 +745,22 @@
{
u16 bottom_free = priv->host_info.tx_buff_size - priv->tx_buff_tail;
- if (priv->tx_desc_free == 3 || priv->tx_free_mem < len)
+ if (priv->tx_desc_free == 3 || priv->tx_free_mem < len)
return 0;
-
+
if (bottom_free >= len)
return priv->host_info.tx_buff_pos + priv->tx_buff_tail;
-
+
if (priv->tx_free_mem - bottom_free >= len) {
priv->tx_buff_tail = 0;
return priv->host_info.tx_buff_pos;
}
-
+
return 0;
}
-static void tx_update_descriptor(struct atmel_private *priv, int is_bcast, u16 len, u16 buff, u8 type)
+static void tx_update_descriptor(struct atmel_private *priv, int is_bcast,
+ u16 len, u16 buff, u8 type)
{
atmel_wmem16(priv, atmel_tx(priv, TX_DESC_POS_OFFSET, priv->tx_desc_tail), buff);
atmel_wmem16(priv, atmel_tx(priv, TX_DESC_SIZE_OFFSET, priv->tx_desc_tail), len);
@@ -775,8 +773,8 @@
int cipher_type, cipher_length;
if (is_bcast) {
cipher_type = priv->group_cipher_suite;
- if (cipher_type == CIPHER_SUITE_WEP_64 ||
- cipher_type == CIPHER_SUITE_WEP_128 )
+ if (cipher_type == CIPHER_SUITE_WEP_64 ||
+ cipher_type == CIPHER_SUITE_WEP_128)
cipher_length = 8;
else if (cipher_type == CIPHER_SUITE_TKIP)
cipher_length = 12;
@@ -790,8 +788,8 @@
}
} else {
cipher_type = priv->pairwise_cipher_suite;
- if (cipher_type == CIPHER_SUITE_WEP_64 ||
- cipher_type == CIPHER_SUITE_WEP_128 )
+ if (cipher_type == CIPHER_SUITE_WEP_64 ||
+ cipher_type == CIPHER_SUITE_WEP_128)
cipher_length = 8;
else if (cipher_type == CIPHER_SUITE_TKIP)
cipher_length = 12;
@@ -804,9 +802,9 @@
cipher_length = 0;
}
}
-
+
atmel_wmem8(priv, atmel_tx(priv, TX_DESC_CIPHER_TYPE_OFFSET, priv->tx_desc_tail),
- cipher_type);
+ cipher_type);
atmel_wmem8(priv, atmel_tx(priv, TX_DESC_CIPHER_LENGTH_OFFSET, priv->tx_desc_tail),
cipher_length);
}
@@ -815,46 +813,46 @@
if (priv->tx_desc_previous != priv->tx_desc_tail)
atmel_wmem32(priv, atmel_tx(priv, TX_DESC_NEXT_OFFSET, priv->tx_desc_previous), 0);
priv->tx_desc_previous = priv->tx_desc_tail;
- if (priv->tx_desc_tail < (priv->host_info.tx_desc_count -1 ))
+ if (priv->tx_desc_tail < (priv->host_info.tx_desc_count - 1))
priv->tx_desc_tail++;
else
priv->tx_desc_tail = 0;
priv->tx_desc_free--;
priv->tx_free_mem -= len;
-
}
-static int start_tx (struct sk_buff *skb, struct net_device *dev)
+static int start_tx(struct sk_buff *skb, struct net_device *dev)
{
struct atmel_private *priv = netdev_priv(dev);
struct ieee80211_hdr_4addr header;
unsigned long flags;
u16 buff, frame_ctl, len = (ETH_ZLEN < skb->len) ? skb->len : ETH_ZLEN;
u8 SNAP_RFC1024[6] = {0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00};
-
- if (priv->card && priv->present_callback &&
+
+ if (priv->card && priv->present_callback &&
!(*priv->present_callback)(priv->card)) {
priv->stats.tx_errors++;
dev_kfree_skb(skb);
return 0;
}
-
+
if (priv->station_state != STATION_STATE_READY) {
priv->stats.tx_errors++;
dev_kfree_skb(skb);
return 0;
}
-
+
/* first ensure the timer func cannot run */
- spin_lock_bh(&priv->timerlock);
+ spin_lock_bh(&priv->timerlock);
/* then stop the hardware ISR */
- spin_lock_irqsave(&priv->irqlock, flags);
+ spin_lock_irqsave(&priv->irqlock, flags);
/* nb doing the above in the opposite order will deadlock */
-
+
/* The Wireless Header is 30 bytes. In the Ethernet packet we "cut" the
- 12 first bytes (containing DA/SA) and put them in the appropriate fields of
- the Wireless Header. Thus the packet length is then the initial + 18 (+30-12) */
-
+ 12 first bytes (containing DA/SA) and put them in the appropriate
+ fields of the Wireless Header. Thus the packet length is then the
+ initial + 18 (+30-12) */
+
if (!(buff = find_tx_buff(priv, len + 18))) {
priv->stats.tx_dropped++;
spin_unlock_irqrestore(&priv->irqlock, flags);
@@ -862,7 +860,7 @@
netif_stop_queue(dev);
return 1;
}
-
+
frame_ctl = IEEE80211_FTYPE_DATA;
header.duration_id = 0;
header.seq_ctl = 0;
@@ -878,7 +876,7 @@
memcpy(&header.addr2, dev->dev_addr, 6);
memcpy(&header.addr3, skb->data, 6);
}
-
+
if (priv->use_wpa)
memcpy(&header.addr4, SNAP_RFC1024, 6);
@@ -888,27 +886,27 @@
/* Copy the packet sans its 802.3 header addresses which have been replaced */
atmel_copy_to_card(dev, buff + DATA_FRAME_WS_HEADER_SIZE, skb->data + 12, len - 12);
priv->tx_buff_tail += len - 12 + DATA_FRAME_WS_HEADER_SIZE;
-
+
/* low bit of first byte of destination tells us if broadcast */
tx_update_descriptor(priv, *(skb->data) & 0x01, len + 18, buff, TX_PACKET_TYPE_DATA);
dev->trans_start = jiffies;
priv->stats.tx_bytes += len;
-
+
spin_unlock_irqrestore(&priv->irqlock, flags);
spin_unlock_bh(&priv->timerlock);
dev_kfree_skb(skb);
-
- return 0;
+
+ return 0;
}
-static void atmel_transmit_management_frame(struct atmel_private *priv,
+static void atmel_transmit_management_frame(struct atmel_private *priv,
struct ieee80211_hdr_4addr *header,
u8 *body, int body_len)
{
u16 buff;
- int len = MGMT_FRAME_BODY_OFFSET + body_len;
-
- if (!(buff = find_tx_buff(priv, len)))
+ int len = MGMT_FRAME_BODY_OFFSET + body_len;
+
+ if (!(buff = find_tx_buff(priv, len)))
return;
atmel_copy_to_card(priv->dev, buff, (u8 *)header, MGMT_FRAME_BODY_OFFSET);
@@ -916,24 +914,25 @@
priv->tx_buff_tail += len;
tx_update_descriptor(priv, header->addr1[0] & 0x01, len, buff, TX_PACKET_TYPE_MGMT);
}
-
-static void fast_rx_path(struct atmel_private *priv, struct ieee80211_hdr_4addr *header,
+
+static void fast_rx_path(struct atmel_private *priv,
+ struct ieee80211_hdr_4addr *header,
u16 msdu_size, u16 rx_packet_loc, u32 crc)
{
/* fast path: unfragmented packet copy directly into skbuf */
- u8 mac4[6];
- struct sk_buff *skb;
+ u8 mac4[6];
+ struct sk_buff *skb;
unsigned char *skbp;
-
+
/* get the final, mac 4 header field, this tells us encapsulation */
atmel_copy_to_host(priv->dev, mac4, rx_packet_loc + 24, 6);
msdu_size -= 6;
-
+
if (priv->do_rx_crc) {
crc = crc32_le(crc, mac4, 6);
msdu_size -= 4;
}
-
+
if (!(skb = dev_alloc_skb(msdu_size + 14))) {
priv->stats.rx_dropped++;
return;
@@ -942,7 +941,7 @@
skb_reserve(skb, 2);
skbp = skb_put(skb, msdu_size + 12);
atmel_copy_to_host(priv->dev, skbp + 12, rx_packet_loc + 30, msdu_size);
-
+
if (priv->do_rx_crc) {
u32 netcrc;
crc = crc32_le(crc, skbp + 12, msdu_size);
@@ -953,24 +952,25 @@
return;
}
}
-
+
memcpy(skbp, header->addr1, 6); /* destination address */
- if (le16_to_cpu(header->frame_ctl) & IEEE80211_FCTL_FROMDS)
+ if (le16_to_cpu(header->frame_ctl) & IEEE80211_FCTL_FROMDS)
memcpy(&skbp[6], header->addr3, 6);
else
memcpy(&skbp[6], header->addr2, 6); /* source address */
-
- priv->dev->last_rx=jiffies;
+
+ priv->dev->last_rx = jiffies;
skb->dev = priv->dev;
skb->protocol = eth_type_trans(skb, priv->dev);
- skb->ip_summed = CHECKSUM_NONE;
+ skb->ip_summed = CHECKSUM_NONE;
netif_rx(skb);
priv->stats.rx_bytes += 12 + msdu_size;
priv->stats.rx_packets++;
}
/* Test to see if the packet in card memory at packet_loc has a valid CRC
- It doesn't matter that this is slow: it is only used to proble the first few packets. */
+ It doesn't matter that this is slow: it is only used to proble the first few
+ packets. */
static int probe_crc(struct atmel_private *priv, u16 packet_loc, u16 msdu_size)
{
int i = msdu_size - 4;
@@ -980,7 +980,7 @@
return 0;
atmel_copy_to_host(priv->dev, (void *)&netcrc, packet_loc + i, 4);
-
+
atmel_writeAR(priv->dev, packet_loc);
while (i--) {
u8 octet = atmel_read8(priv->dev, DR);
@@ -990,20 +990,22 @@
return (crc ^ 0xffffffff) == netcrc;
}
-static void frag_rx_path(struct atmel_private *priv, struct ieee80211_hdr_4addr *header,
- u16 msdu_size, u16 rx_packet_loc, u32 crc, u16 seq_no, u8 frag_no, int more_frags)
+static void frag_rx_path(struct atmel_private *priv,
+ struct ieee80211_hdr_4addr *header,
+ u16 msdu_size, u16 rx_packet_loc, u32 crc, u16 seq_no,
+ u8 frag_no, int more_frags)
{
- u8 mac4[6];
+ u8 mac4[6];
u8 source[6];
struct sk_buff *skb;
- if (le16_to_cpu(header->frame_ctl) & IEEE80211_FCTL_FROMDS)
+ if (le16_to_cpu(header->frame_ctl) & IEEE80211_FCTL_FROMDS)
memcpy(source, header->addr3, 6);
else
- memcpy(source, header->addr2, 6);
-
+ memcpy(source, header->addr2, 6);
+
rx_packet_loc += 24; /* skip header */
-
+
if (priv->do_rx_crc)
msdu_size -= 4;
@@ -1012,16 +1014,16 @@
msdu_size -= 6;
rx_packet_loc += 6;
- if (priv->do_rx_crc)
+ if (priv->do_rx_crc)
crc = crc32_le(crc, mac4, 6);
-
+
priv->frag_seq = seq_no;
priv->frag_no = 1;
priv->frag_len = msdu_size;
- memcpy(priv->frag_source, source, 6);
+ memcpy(priv->frag_source, source, 6);
memcpy(&priv->rx_buf[6], source, 6);
memcpy(priv->rx_buf, header->addr1, 6);
-
+
atmel_copy_to_host(priv->dev, &priv->rx_buf[12], rx_packet_loc, msdu_size);
if (priv->do_rx_crc) {
@@ -1033,17 +1035,17 @@
memset(priv->frag_source, 0xff, 6);
}
}
-
+
} else if (priv->frag_no == frag_no &&
priv->frag_seq == seq_no &&
memcmp(priv->frag_source, source, 6) == 0) {
-
- atmel_copy_to_host(priv->dev, &priv->rx_buf[12 + priv->frag_len],
+
+ atmel_copy_to_host(priv->dev, &priv->rx_buf[12 + priv->frag_len],
rx_packet_loc, msdu_size);
if (priv->do_rx_crc) {
u32 netcrc;
- crc = crc32_le(crc,
- &priv->rx_buf[12 + priv->frag_len],
+ crc = crc32_le(crc,
+ &priv->rx_buf[12 + priv->frag_len],
msdu_size);
atmel_copy_to_host(priv->dev, (void *)&netcrc, rx_packet_loc + msdu_size, 4);
if ((crc ^ 0xffffffff) != netcrc) {
@@ -1052,7 +1054,7 @@
more_frags = 1; /* don't send broken assembly */
}
}
-
+
priv->frag_len += msdu_size;
priv->frag_no++;
@@ -1062,60 +1064,60 @@
priv->stats.rx_dropped++;
} else {
skb_reserve(skb, 2);
- memcpy(skb_put(skb, priv->frag_len + 12),
+ memcpy(skb_put(skb, priv->frag_len + 12),
priv->rx_buf,
priv->frag_len + 12);
priv->dev->last_rx = jiffies;
skb->dev = priv->dev;
skb->protocol = eth_type_trans(skb, priv->dev);
- skb->ip_summed = CHECKSUM_NONE;
+ skb->ip_summed = CHECKSUM_NONE;
netif_rx(skb);
priv->stats.rx_bytes += priv->frag_len + 12;
priv->stats.rx_packets++;
}
}
-
} else
priv->wstats.discard.fragment++;
}
-
+
static void rx_done_irq(struct atmel_private *priv)
{
int i;
struct ieee80211_hdr_4addr header;
-
- for (i = 0;
+
+ for (i = 0;
atmel_rmem8(priv, atmel_rx(priv, RX_DESC_FLAGS_OFFSET, priv->rx_desc_head)) == RX_DESC_FLAG_VALID &&
i < priv->host_info.rx_desc_count;
i++) {
-
+
u16 msdu_size, rx_packet_loc, frame_ctl, seq_control;
u8 status = atmel_rmem8(priv, atmel_rx(priv, RX_DESC_STATUS_OFFSET, priv->rx_desc_head));
u32 crc = 0xffffffff;
-
+
if (status != RX_STATUS_SUCCESS) {
if (status == 0xc1) /* determined by experiment */
priv->wstats.discard.nwid++;
else
- priv->stats.rx_errors++;
+ priv->stats.rx_errors++;
goto next;
}
msdu_size = atmel_rmem16(priv, atmel_rx(priv, RX_DESC_MSDU_SIZE_OFFSET, priv->rx_desc_head));
rx_packet_loc = atmel_rmem16(priv, atmel_rx(priv, RX_DESC_MSDU_POS_OFFSET, priv->rx_desc_head));
-
+
if (msdu_size < 30) {
- priv->stats.rx_errors++;
+ priv->stats.rx_errors++;
goto next;
}
-
+
/* Get header as far as end of seq_ctl */
atmel_copy_to_host(priv->dev, (char *)&header, rx_packet_loc, 24);
frame_ctl = le16_to_cpu(header.frame_ctl);
seq_control = le16_to_cpu(header.seq_ctl);
- /* probe for CRC use here if needed once five packets have arrived with
- the same crc status, we assume we know what's happening and stop probing */
+ /* probe for CRC use here if needed once five packets have
+ arrived with the same crc status, we assume we know what's
+ happening and stop probing */
if (priv->probe_crc) {
if (!priv->wep_is_on || !(frame_ctl & IEEE80211_FCTL_PROTECTED)) {
priv->do_rx_crc = probe_crc(priv, rx_packet_loc, msdu_size);
@@ -1130,34 +1132,33 @@
priv->probe_crc = 0;
}
}
-
+
/* don't CRC header when WEP in use */
if (priv->do_rx_crc && (!priv->wep_is_on || !(frame_ctl & IEEE80211_FCTL_PROTECTED))) {
crc = crc32_le(0xffffffff, (unsigned char *)&header, 24);
}
msdu_size -= 24; /* header */
- if ((frame_ctl & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) {
-
+ if ((frame_ctl & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) {
int more_fragments = frame_ctl & IEEE80211_FCTL_MOREFRAGS;
u8 packet_fragment_no = seq_control & IEEE80211_SCTL_FRAG;
u16 packet_sequence_no = (seq_control & IEEE80211_SCTL_SEQ) >> 4;
-
- if (!more_fragments && packet_fragment_no == 0 ) {
+
+ if (!more_fragments && packet_fragment_no == 0) {
fast_rx_path(priv, &header, msdu_size, rx_packet_loc, crc);
} else {
frag_rx_path(priv, &header, msdu_size, rx_packet_loc, crc,
packet_sequence_no, packet_fragment_no, more_fragments);
}
}
-
+
if ((frame_ctl & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) {
/* copy rest of packet into buffer */
atmel_copy_to_host(priv->dev, (unsigned char *)&priv->rx_buf, rx_packet_loc + 24, msdu_size);
-
+
/* we use the same buffer for frag reassembly and control packets */
memset(priv->frag_source, 0xff, 6);
-
+
if (priv->do_rx_crc) {
/* last 4 octets is crc */
msdu_size -= 4;
@@ -1170,18 +1171,18 @@
atmel_management_frame(priv, &header, msdu_size,
atmel_rmem8(priv, atmel_rx(priv, RX_DESC_RSSI_OFFSET, priv->rx_desc_head)));
- }
+ }
- next:
+next:
/* release descriptor */
- atmel_wmem8(priv, atmel_rx(priv, RX_DESC_FLAGS_OFFSET, priv->rx_desc_head), RX_DESC_FLAG_CONSUMED);
-
+ atmel_wmem8(priv, atmel_rx(priv, RX_DESC_FLAGS_OFFSET, priv->rx_desc_head), RX_DESC_FLAG_CONSUMED);
+
if (priv->rx_desc_head < (priv->host_info.rx_desc_count - 1))
- priv->rx_desc_head++;
+ priv->rx_desc_head++;
else
priv->rx_desc_head = 0;
}
-}
+}
static irqreturn_t service_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
@@ -1189,7 +1190,7 @@
struct atmel_private *priv = netdev_priv(dev);
u8 isr;
int i = -1;
- static u8 irq_order[] = {
+ static u8 irq_order[] = {
ISR_OUT_OF_RANGE,
ISR_RxCOMPLETE,
ISR_TxCOMPLETE,
@@ -1199,20 +1200,19 @@
ISR_IBSS_MERGE,
ISR_GENERIC_IRQ
};
-
- if (priv->card && priv->present_callback &&
+ if (priv->card && priv->present_callback &&
!(*priv->present_callback)(priv->card))
return IRQ_HANDLED;
/* In this state upper-level code assumes it can mess with
the card unhampered by interrupts which may change register state.
Note that even though the card shouldn't generate interrupts
- the inturrupt line may be shared. This allows card setup
+ the inturrupt line may be shared. This allows card setup
to go on without disabling interrupts for a long time. */
if (priv->station_state == STATION_STATE_DOWN)
return IRQ_NONE;
-
+
atmel_clear_gcr(dev, GCR_ENINT); /* disable interrupts */
while (1) {
@@ -1221,36 +1221,36 @@
printk(KERN_ALERT "%s: failed to contact MAC.\n", dev->name);
return IRQ_HANDLED;
}
-
+
isr = atmel_rmem8(priv, atmel_hi(priv, IFACE_INT_STATUS_OFFSET));
atmel_wmem8(priv, atmel_hi(priv, IFACE_LOCKOUT_MAC_OFFSET), 0);
-
+
if (!isr) {
atmel_set_gcr(dev, GCR_ENINT); /* enable interrupts */
return i == -1 ? IRQ_NONE : IRQ_HANDLED;
}
-
+
atmel_set_gcr(dev, GCR_ACKINT); /* acknowledge interrupt */
-
+
for (i = 0; i < sizeof(irq_order)/sizeof(u8); i++)
if (isr & irq_order[i])
break;
-
+
if (!atmel_lock_mac(priv)) {
/* failed to contact card */
printk(KERN_ALERT "%s: failed to contact MAC.\n", dev->name);
return IRQ_HANDLED;
}
-
+
isr = atmel_rmem8(priv, atmel_hi(priv, IFACE_INT_STATUS_OFFSET));
isr ^= irq_order[i];
atmel_wmem8(priv, atmel_hi(priv, IFACE_INT_STATUS_OFFSET), isr);
atmel_wmem8(priv, atmel_hi(priv, IFACE_LOCKOUT_MAC_OFFSET), 0);
-
+
switch (irq_order[i]) {
-
- case ISR_OUT_OF_RANGE:
- if (priv->operating_mode == IW_MODE_INFRA &&
+
+ case ISR_OUT_OF_RANGE:
+ if (priv->operating_mode == IW_MODE_INFRA &&
priv->station_state == STATION_STATE_READY) {
priv->station_is_associated = 0;
atmel_scan(priv, 1);
@@ -1261,24 +1261,24 @@
priv->wstats.discard.misc++;
/* fall through */
case ISR_RxCOMPLETE:
- rx_done_irq(priv);
+ rx_done_irq(priv);
break;
-
+
case ISR_TxCOMPLETE:
- tx_done_irq(priv);
+ tx_done_irq(priv);
break;
-
+
case ISR_FATAL_ERROR:
printk(KERN_ALERT "%s: *** FATAL error interrupt ***\n", dev->name);
atmel_enter_state(priv, STATION_STATE_MGMT_ERROR);
break;
-
- case ISR_COMMAND_COMPLETE:
+
+ case ISR_COMMAND_COMPLETE:
atmel_command_irq(priv);
break;
case ISR_IBSS_MERGE:
- atmel_get_mib(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_CUR_BSSID_POS,
+ atmel_get_mib(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_CUR_BSSID_POS,
priv->CurrentBSSID, 6);
/* The WPA stuff cares about the current AP address */
if (priv->use_wpa)
@@ -1288,24 +1288,23 @@
printk(KERN_INFO "%s: Generic_irq received.\n", dev->name);
break;
}
- }
+ }
}
-
-static struct net_device_stats *atmel_get_stats (struct net_device *dev)
+static struct net_device_stats *atmel_get_stats(struct net_device *dev)
{
struct atmel_private *priv = netdev_priv(dev);
return &priv->stats;
}
-static struct iw_statistics *atmel_get_wireless_stats (struct net_device *dev)
+static struct iw_statistics *atmel_get_wireless_stats(struct net_device *dev)
{
struct atmel_private *priv = netdev_priv(dev);
- /* update the link quality here in case we are seeing no beacons
+ /* update the link quality here in case we are seeing no beacons
at all to drive the process */
atmel_smooth_qual(priv);
-
+
priv->wstats.status = priv->station_state;
if (priv->operating_mode == IW_MODE_INFRA) {
@@ -1328,8 +1327,8 @@
| IW_QUAL_NOISE_INVALID;
priv->wstats.miss.beacon = 0;
}
-
- return (&priv->wstats);
+
+ return &priv->wstats;
}
static int atmel_change_mtu(struct net_device *dev, int new_mtu)
@@ -1343,21 +1342,21 @@
static int atmel_set_mac_address(struct net_device *dev, void *p)
{
struct sockaddr *addr = p;
-
+
memcpy (dev->dev_addr, addr->sa_data, dev->addr_len);
return atmel_open(dev);
}
EXPORT_SYMBOL(atmel_open);
-int atmel_open (struct net_device *dev)
+int atmel_open(struct net_device *dev)
{
struct atmel_private *priv = netdev_priv(dev);
int i, channel;
/* any scheduled timer is no longer needed and might screw things up.. */
del_timer_sync(&priv->management_timer);
-
+
/* Interrupts will not touch the card once in this state... */
priv->station_state = STATION_STATE_DOWN;
@@ -1377,7 +1376,7 @@
priv->site_survey_state = SITE_SURVEY_IDLE;
priv->station_is_associated = 0;
- if (!reset_atmel_card(dev))
+ if (!reset_atmel_card(dev))
return -EAGAIN;
if (priv->config_reg_domain) {
@@ -1391,26 +1390,26 @@
if (i == sizeof(channel_table)/sizeof(channel_table[0])) {
priv->reg_domain = REG_DOMAIN_MKK1;
printk(KERN_ALERT "%s: failed to get regulatory domain: assuming MKK1.\n", dev->name);
- }
+ }
}
-
+
if ((channel = atmel_validate_channel(priv, priv->channel)))
priv->channel = channel;
- /* this moves station_state on.... */
- atmel_scan(priv, 1);
+ /* this moves station_state on.... */
+ atmel_scan(priv, 1);
atmel_set_gcr(priv->dev, GCR_ENINT); /* enable interrupts */
return 0;
}
-static int atmel_close (struct net_device *dev)
+static int atmel_close(struct net_device *dev)
{
struct atmel_private *priv = netdev_priv(dev);
-
+
atmel_enter_state(priv, STATION_STATE_DOWN);
-
- if (priv->bus_type == BUS_TYPE_PCCARD)
+
+ if (priv->bus_type == BUS_TYPE_PCCARD)
atmel_write16(dev, GCR, 0x0060);
atmel_write16(dev, GCR, 0x0040);
return 0;
@@ -1438,43 +1437,46 @@
int i;
char *p = buf;
char *s, *r, *c;
-
- p += sprintf(p, "Driver version:\t\t%d.%d\n", DRIVER_MAJOR, DRIVER_MINOR);
-
+
+ p += sprintf(p, "Driver version:\t\t%d.%d\n",
+ DRIVER_MAJOR, DRIVER_MINOR);
+
if (priv->station_state != STATION_STATE_DOWN) {
- p += sprintf(p, "Firmware version:\t%d.%d build %d\nFirmware location:\t",
+ p += sprintf(p, "Firmware version:\t%d.%d build %d\n"
+ "Firmware location:\t",
priv->host_info.major_version,
priv->host_info.minor_version,
priv->host_info.build_version);
-
- if (priv->card_type != CARD_TYPE_EEPROM)
+
+ if (priv->card_type != CARD_TYPE_EEPROM)
p += sprintf(p, "on card\n");
- else if (priv->firmware)
- p += sprintf(p, "%s loaded by host\n", priv->firmware_id);
+ else if (priv->firmware)
+ p += sprintf(p, "%s loaded by host\n",
+ priv->firmware_id);
else
- p += sprintf(p, "%s loaded by hotplug\n", priv->firmware_id);
-
- switch(priv->card_type) {
+ p += sprintf(p, "%s loaded by hotplug\n",
+ priv->firmware_id);
+
+ switch (priv->card_type) {
case CARD_TYPE_PARALLEL_FLASH: c = "Parallel flash"; break;
case CARD_TYPE_SPI_FLASH: c = "SPI flash\n"; break;
case CARD_TYPE_EEPROM: c = "EEPROM"; break;
default: c = "<unknown>";
}
-
r = "<unknown>";
for (i = 0; i < sizeof(channel_table)/sizeof(channel_table[0]); i++)
if (priv->reg_domain == channel_table[i].reg_domain)
r = channel_table[i].name;
-
+
p += sprintf(p, "MAC memory type:\t%s\n", c);
p += sprintf(p, "Regulatory domain:\t%s\n", r);
- p += sprintf(p, "Host CRC checking:\t%s\n",
+ p += sprintf(p, "Host CRC checking:\t%s\n",
priv->do_rx_crc ? "On" : "Off");
p += sprintf(p, "WPA-capable firmware:\t%s\n",
priv->use_wpa ? "Yes" : "No");
}
-
+
switch(priv->station_state) {
case STATION_STATE_SCANNING: s = "Scanning"; break;
case STATION_STATE_JOINNING: s = "Joining"; break;
@@ -1486,9 +1488,9 @@
case STATION_STATE_DOWN: s = "Down"; break;
default: s = "<unknown>";
}
-
+
p += sprintf(p, "Current state:\t\t%s\n", s);
- return p - buf;
+ return p - buf;
}
static int atmel_read_proc(char *page, char **start, off_t off,
@@ -1504,8 +1506,10 @@
return len;
}
-struct net_device *init_atmel_card( unsigned short irq, unsigned long port, const AtmelFWType fw_type,
- struct device *sys_dev, int (*card_present)(void *), void *card)
+struct net_device *init_atmel_card(unsigned short irq, unsigned long port,
+ const AtmelFWType fw_type,
+ struct device *sys_dev,
+ int (*card_present)(void *), void *card)
{
struct net_device *dev;
struct atmel_private *priv;
@@ -1514,11 +1518,11 @@
/* Create the network device object. */
dev = alloc_etherdev(sizeof(*priv));
if (!dev) {
- printk(KERN_ERR "atmel: Couldn't alloc_etherdev\n");
+ printk(KERN_ERR "atmel: Couldn't alloc_etherdev\n");
return NULL;
}
if (dev_alloc_name(dev, dev->name) < 0) {
- printk(KERN_ERR "atmel: Couldn't get name!\n");
+ printk(KERN_ERR "atmel: Couldn't get name!\n");
goto err_out_free;
}
@@ -1550,7 +1554,7 @@
memset(priv->BSSID, 0, 6);
priv->CurrentBSSID[0] = 0xFF; /* Initialize to something invalid.... */
priv->station_was_associated = 0;
-
+
priv->last_survey = jiffies;
priv->preamble = LONG_PREAMBLE;
priv->operating_mode = IW_MODE_INFRA;
@@ -1586,7 +1590,7 @@
spin_lock_init(&priv->timerlock);
priv->management_timer.function = atmel_management_timer;
priv->management_timer.data = (unsigned long) dev;
-
+
dev->open = atmel_open;
dev->stop = atmel_close;
dev->change_mtu = atmel_change_mtu;
@@ -1597,44 +1601,44 @@
dev->do_ioctl = atmel_ioctl;
dev->irq = irq;
dev->base_addr = port;
-
+
SET_NETDEV_DEV(dev, sys_dev);
-
+
if ((rc = request_irq(dev->irq, service_interrupt, SA_SHIRQ, dev->name, dev))) {
- printk(KERN_ERR "%s: register interrupt %d failed, rc %d\n", dev->name, irq, rc );
+ printk(KERN_ERR "%s: register interrupt %d failed, rc %d\n", dev->name, irq, rc);
goto err_out_free;
}
- if (!request_region(dev->base_addr, 32,
+ if (!request_region(dev->base_addr, 32,
priv->bus_type == BUS_TYPE_PCCARD ? "atmel_cs" : "atmel_pci")) {
goto err_out_irq;
}
-
+
if (register_netdev(dev))
goto err_out_res;
-
+
if (!probe_atmel_card(dev)){
unregister_netdev(dev);
goto err_out_res;
}
-
+
netif_carrier_off(dev);
-
- create_proc_read_entry ("driver/atmel", 0, NULL, atmel_read_proc, priv);
-
+
+ create_proc_read_entry ("driver/atmel", 0, NULL, atmel_read_proc, priv);
+
printk(KERN_INFO "%s: Atmel at76c50x. Version %d.%d. MAC %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
dev->name, DRIVER_MAJOR, DRIVER_MINOR,
dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
-
+
SET_MODULE_OWNER(dev);
return dev;
-
- err_out_res:
+
+err_out_res:
release_region( dev->base_addr, 32);
- err_out_irq:
+err_out_irq:
free_irq(dev->irq, dev);
- err_out_free:
+err_out_free:
free_netdev(dev);
return NULL;
}
@@ -1644,12 +1648,12 @@
void stop_atmel_card(struct net_device *dev)
{
struct atmel_private *priv = netdev_priv(dev);
-
+
/* put a brick on it... */
- if (priv->bus_type == BUS_TYPE_PCCARD)
+ if (priv->bus_type == BUS_TYPE_PCCARD)
atmel_write16(dev, GCR, 0x0060);
atmel_write16(dev, GCR, 0x0040);
-
+
del_timer_sync(&priv->management_timer);
unregister_netdev(dev);
remove_proc_entry("driver/atmel", NULL);
@@ -1675,13 +1679,13 @@
int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
priv->connect_to_any_BSS = 0;
-
+
/* Check the size of the string */
if (dwrq->length > MAX_SSID_LENGTH + 1)
- return -E2BIG ;
+ return -E2BIG;
if (index != 0)
return -EINVAL;
-
+
memcpy(priv->new_SSID, extra, dwrq->length - 1);
priv->new_SSID_size = dwrq->length - 1;
}
@@ -1706,7 +1710,7 @@
extra[priv->SSID_size] = '\0';
dwrq->length = priv->SSID_size + 1;
}
-
+
dwrq->flags = !priv->connect_to_any_BSS; /* active */
return 0;
@@ -1768,7 +1772,7 @@
/* WE specify that if a valid key is set, encryption
* should be enabled (user may turn it off later)
* This is also how "iwconfig ethX key on" works */
- if (index == current_index &&
+ if (index == current_index &&
priv->wep_key_len[index] > 0) {
priv->wep_is_on = 1;
priv->exclude_unencrypted = 1;
@@ -1783,18 +1787,18 @@
} else {
/* Do we want to just set the transmit key index ? */
int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
- if ( index>=0 && index < 4 ) {
+ if (index >= 0 && index < 4) {
priv->default_key = index;
} else
/* Don't complain if only change the mode */
- if(!dwrq->flags & IW_ENCODE_MODE) {
+ if (!dwrq->flags & IW_ENCODE_MODE) {
return -EINVAL;
}
}
/* Read the flags */
- if(dwrq->flags & IW_ENCODE_DISABLED) {
+ if (dwrq->flags & IW_ENCODE_DISABLED) {
priv->wep_is_on = 0;
- priv->encryption_level = 0;
+ priv->encryption_level = 0;
priv->pairwise_cipher_suite = CIPHER_SUITE_NONE;
} else {
priv->wep_is_on = 1;
@@ -1806,15 +1810,14 @@
priv->encryption_level = 1;
}
}
- if(dwrq->flags & IW_ENCODE_RESTRICTED)
+ if (dwrq->flags & IW_ENCODE_RESTRICTED)
priv->exclude_unencrypted = 1;
- if(dwrq->flags & IW_ENCODE_OPEN)
+ if(dwrq->flags & IW_ENCODE_OPEN)
priv->exclude_unencrypted = 0;
-
+
return -EINPROGRESS; /* Call commit handler */
}
-
static int atmel_get_encode(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *dwrq,
@@ -1822,7 +1825,7 @@
{
struct atmel_private *priv = netdev_priv(dev);
int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
-
+
if (!priv->wep_is_on)
dwrq->flags = IW_ENCODE_DISABLED;
else {
@@ -1843,7 +1846,7 @@
memset(extra, 0, 16);
memcpy(extra, priv->wep_keys[index], dwrq->length);
}
-
+
return 0;
}
@@ -1862,17 +1865,17 @@
char *extra)
{
struct atmel_private *priv = netdev_priv(dev);
-
+
if (vwrq->fixed == 0) {
priv->tx_rate = 3;
priv->auto_tx_rate = 1;
} else {
priv->auto_tx_rate = 0;
-
+
/* Which type of value ? */
- if((vwrq->value < 4) && (vwrq->value >= 0)) {
+ if ((vwrq->value < 4) && (vwrq->value >= 0)) {
/* Setting by rate index */
- priv->tx_rate = vwrq->value;
+ priv->tx_rate = vwrq->value;
} else {
/* Setting by frequency value */
switch (vwrq->value) {
@@ -1899,7 +1902,7 @@
return -EINVAL;
priv->operating_mode = *uwrq;
- return -EINPROGRESS;
+ return -EINPROGRESS;
}
static int atmel_get_mode(struct net_device *dev,
@@ -1908,7 +1911,7 @@
char *extra)
{
struct atmel_private *priv = netdev_priv(dev);
-
+
*uwrq = priv->operating_mode;
return 0;
}
@@ -1962,9 +1965,9 @@
char *extra)
{
struct atmel_private *priv = netdev_priv(dev);
-
- if(!vwrq->disabled && (vwrq->flags & IW_RETRY_LIMIT)) {
- if(vwrq->flags & IW_RETRY_MAX)
+
+ if (!vwrq->disabled && (vwrq->flags & IW_RETRY_LIMIT)) {
+ if (vwrq->flags & IW_RETRY_MAX)
priv->long_retry = vwrq->value;
else if (vwrq->flags & IW_RETRY_MIN)
priv->short_retry = vwrq->value;
@@ -1973,9 +1976,9 @@
priv->long_retry = vwrq->value;
priv->short_retry = vwrq->value;
}
- return -EINPROGRESS;
+ return -EINPROGRESS;
}
-
+
return -EINVAL;
}
@@ -1989,13 +1992,13 @@
vwrq->disabled = 0; /* Can't be disabled */
/* Note : by default, display the min retry number */
- if((vwrq->flags & IW_RETRY_MAX)) {
+ if (vwrq->flags & IW_RETRY_MAX) {
vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
vwrq->value = priv->long_retry;
} else {
vwrq->flags = IW_RETRY_LIMIT;
vwrq->value = priv->short_retry;
- if(priv->long_retry != priv->short_retry)
+ if (priv->long_retry != priv->short_retry)
vwrq->flags |= IW_RETRY_MIN;
}
@@ -2010,13 +2013,13 @@
struct atmel_private *priv = netdev_priv(dev);
int rthr = vwrq->value;
- if(vwrq->disabled)
+ if (vwrq->disabled)
rthr = 2347;
- if((rthr < 0) || (rthr > 2347)) {
+ if ((rthr < 0) || (rthr > 2347)) {
return -EINVAL;
}
priv->rts_threshold = rthr;
-
+
return -EINPROGRESS; /* Call commit handler */
}
@@ -2026,7 +2029,7 @@
char *extra)
{
struct atmel_private *priv = netdev_priv(dev);
-
+
vwrq->value = priv->rts_threshold;
vwrq->disabled = (vwrq->value >= 2347);
vwrq->fixed = 1;
@@ -2042,14 +2045,14 @@
struct atmel_private *priv = netdev_priv(dev);
int fthr = vwrq->value;
- if(vwrq->disabled)
+ if (vwrq->disabled)
fthr = 2346;
- if((fthr < 256) || (fthr > 2346)) {
+ if ((fthr < 256) || (fthr > 2346)) {
return -EINVAL;
}
fthr &= ~0x1; /* Get an even value - is it really needed ??? */
priv->frag_threshold = fthr;
-
+
return -EINPROGRESS; /* Call commit handler */
}
@@ -2077,21 +2080,21 @@
{
struct atmel_private *priv = netdev_priv(dev);
int rc = -EINPROGRESS; /* Call commit handler */
-
+
/* If setting by frequency, convert to a channel */
- if((fwrq->e == 1) &&
- (fwrq->m >= (int) 241200000) &&
- (fwrq->m <= (int) 248700000)) {
+ if ((fwrq->e == 1) &&
+ (fwrq->m >= (int) 241200000) &&
+ (fwrq->m <= (int) 248700000)) {
int f = fwrq->m / 100000;
int c = 0;
- while((c < 14) && (f != frequency_list[c]))
+ while ((c < 14) && (f != frequency_list[c]))
c++;
/* Hack to fall through... */
fwrq->e = 0;
fwrq->m = c + 1;
}
/* Setting by channel number */
- if((fwrq->m > 1000) || (fwrq->e > 0))
+ if ((fwrq->m > 1000) || (fwrq->e > 0))
rc = -EOPNOTSUPP;
else {
int channel = fwrq->m;
@@ -2099,7 +2102,7 @@
priv->channel = channel;
} else {
rc = -EINVAL;
- }
+ }
}
return rc;
}
@@ -2130,7 +2133,7 @@
* This is not an error, while the device perform scanning,
* traffic doesn't flow, so it's a perfect DoS...
* Jean II */
-
+
if (priv->station_state == STATION_STATE_DOWN)
return -EAGAIN;
@@ -2142,15 +2145,15 @@
/* Initiate a scan command */
if (priv->site_survey_state == SITE_SURVEY_IN_PROGRESS)
return -EBUSY;
-
+
del_timer_sync(&priv->management_timer);
spin_lock_irqsave(&priv->irqlock, flags);
-
+
priv->site_survey_state = SITE_SURVEY_IN_PROGRESS;
priv->fast_scan = 0;
atmel_scan(priv, 0);
spin_unlock_irqrestore(&priv->irqlock, flags);
-
+
return 0;
}
@@ -2163,11 +2166,11 @@
int i;
char *current_ev = extra;
struct iw_event iwe;
-
+
if (priv->site_survey_state != SITE_SURVEY_COMPLETED)
return -EAGAIN;
-
- for(i=0; i<priv->BSS_list_entries; i++) {
+
+ for (i = 0; i < priv->BSS_list_entries; i++) {
iwe.cmd = SIOCGIWAP;
iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
memcpy(iwe.u.ap_addr.sa_data, priv->BSSinfo[i].BSSID, 6);
@@ -2179,16 +2182,16 @@
iwe.cmd = SIOCGIWESSID;
iwe.u.data.flags = 1;
current_ev = iwe_stream_add_point(current_ev, extra + IW_SCAN_MAX_DATA, &iwe, priv->BSSinfo[i].SSID);
-
+
iwe.cmd = SIOCGIWMODE;
iwe.u.mode = priv->BSSinfo[i].BSStype;
current_ev = iwe_stream_add_event(current_ev, extra + IW_SCAN_MAX_DATA, &iwe, IW_EV_UINT_LEN);
-
+
iwe.cmd = SIOCGIWFREQ;
iwe.u.freq.m = priv->BSSinfo[i].channel;
iwe.u.freq.e = 0;
current_ev = iwe_stream_add_event(current_ev, extra + IW_SCAN_MAX_DATA, &iwe, IW_EV_FREQ_LEN);
-
+
iwe.cmd = SIOCGIWENCODE;
if (priv->BSSinfo[i].UsingWEP)
iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
@@ -2196,13 +2199,12 @@
iwe.u.data.flags = IW_ENCODE_DISABLED;
iwe.u.data.length = 0;
current_ev = iwe_stream_add_point(current_ev, extra + IW_SCAN_MAX_DATA, &iwe, NULL);
-
}
/* Length of data */
dwrq->length = (current_ev - extra);
- dwrq->flags = 0;
-
+ dwrq->flags = 0;
+
return 0;
}
@@ -2213,7 +2215,7 @@
{
struct atmel_private *priv = netdev_priv(dev);
struct iw_range *range = (struct iw_range *) extra;
- int k,i,j;
+ int k, i, j;
dwrq->length = sizeof(struct iw_range);
memset(range, 0, sizeof(struct iw_range));
@@ -2226,14 +2228,14 @@
break;
}
if (range->num_channels != 0) {
- for(k = 0, i = channel_table[j].min; i <= channel_table[j].max; i++) {
+ for (k = 0, i = channel_table[j].min; i <= channel_table[j].max; i++) {
range->freq[k].i = i; /* List index */
- range->freq[k].m = frequency_list[i-1] * 100000;
+ range->freq[k].m = frequency_list[i - 1] * 100000;
range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
}
range->num_frequency = k;
}
-
+
range->max_qual.qual = 100;
range->max_qual.level = 100;
range->max_qual.noise = 0;
@@ -2261,11 +2263,11 @@
range->encoding_size[1] = 13;
range->num_encoding_sizes = 2;
range->max_encoding_tokens = 4;
-
+
range->pmp_flags = IW_POWER_ON;
range->pmt_flags = IW_POWER_ON;
range->pm_capa = 0;
-
+
range->we_version_source = WIRELESS_EXT;
range->we_version_compiled = WIRELESS_EXT;
range->retry_capa = IW_RETRY_LIMIT ;
@@ -2289,7 +2291,7 @@
if (awrq->sa_family != ARPHRD_ETHER)
return -EINVAL;
-
+
if (memcmp(bcast, awrq->sa_data, 6) == 0) {
del_timer_sync(&priv->management_timer);
spin_lock_irqsave(&priv->irqlock, flags);
@@ -2297,8 +2299,8 @@
spin_unlock_irqrestore(&priv->irqlock, flags);
return 0;
}
-
- for(i=0; i<priv->BSS_list_entries; i++) {
+
+ for (i = 0; i < priv->BSS_list_entries; i++) {
if (memcmp(priv->BSSinfo[i].BSSID, awrq->sa_data, 6) == 0) {
if (!priv->wep_is_on && priv->BSSinfo[i].UsingWEP) {
return -EINVAL;
@@ -2313,10 +2315,10 @@
}
}
}
-
+
return -EINVAL;
}
-
+
static int atmel_config_commit(struct net_device *dev,
struct iw_request_info *info, /* NULL */
void *zwrq, /* NULL */
@@ -2325,18 +2327,18 @@
return atmel_open(dev);
}
-static const iw_handler atmel_handler[] =
+static const iw_handler atmel_handler[] =
{
(iw_handler) atmel_config_commit, /* SIOCSIWCOMMIT */
- (iw_handler) atmel_get_name, /* SIOCGIWNAME */
+ (iw_handler) atmel_get_name, /* SIOCGIWNAME */
(iw_handler) NULL, /* SIOCSIWNWID */
(iw_handler) NULL, /* SIOCGIWNWID */
(iw_handler) atmel_set_freq, /* SIOCSIWFREQ */
(iw_handler) atmel_get_freq, /* SIOCGIWFREQ */
(iw_handler) atmel_set_mode, /* SIOCSIWMODE */
(iw_handler) atmel_get_mode, /* SIOCGIWMODE */
- (iw_handler) NULL, /* SIOCSIWSENS */
- (iw_handler) NULL, /* SIOCGIWSENS */
+ (iw_handler) NULL, /* SIOCSIWSENS */
+ (iw_handler) NULL, /* SIOCGIWSENS */
(iw_handler) NULL, /* SIOCSIWRANGE */
(iw_handler) atmel_get_range, /* SIOCGIWRANGE */
(iw_handler) NULL, /* SIOCSIWPRIV */
@@ -2350,13 +2352,13 @@
(iw_handler) atmel_set_wap, /* SIOCSIWAP */
(iw_handler) atmel_get_wap, /* SIOCGIWAP */
(iw_handler) NULL, /* -- hole -- */
- (iw_handler) NULL, /* SIOCGIWAPLIST */
+ (iw_handler) NULL, /* SIOCGIWAPLIST */
(iw_handler) atmel_set_scan, /* SIOCSIWSCAN */
(iw_handler) atmel_get_scan, /* SIOCGIWSCAN */
(iw_handler) atmel_set_essid, /* SIOCSIWESSID */
(iw_handler) atmel_get_essid, /* SIOCGIWESSID */
- (iw_handler) NULL, /* SIOCSIWNICKN */
- (iw_handler) NULL, /* SIOCGIWNICKN */
+ (iw_handler) NULL, /* SIOCSIWNICKN */
+ (iw_handler) NULL, /* SIOCGIWNICKN */
(iw_handler) NULL, /* -- hole -- */
(iw_handler) NULL, /* -- hole -- */
(iw_handler) atmel_set_rate, /* SIOCSIWRATE */
@@ -2365,8 +2367,8 @@
(iw_handler) atmel_get_rts, /* SIOCGIWRTS */
(iw_handler) atmel_set_frag, /* SIOCSIWFRAG */
(iw_handler) atmel_get_frag, /* SIOCGIWFRAG */
- (iw_handler) NULL, /* SIOCSIWTXPOW */
- (iw_handler) NULL, /* SIOCGIWTXPOW */
+ (iw_handler) NULL, /* SIOCSIWTXPOW */
+ (iw_handler) NULL, /* SIOCGIWTXPOW */
(iw_handler) atmel_set_retry, /* SIOCSIWRETRY */
(iw_handler) atmel_get_retry, /* SIOCGIWRETRY */
(iw_handler) atmel_set_encode, /* SIOCSIWENCODE */
@@ -2375,39 +2377,51 @@
(iw_handler) atmel_get_power, /* SIOCGIWPOWER */
};
-
-static const iw_handler atmel_private_handler[] =
+static const iw_handler atmel_private_handler[] =
{
NULL, /* SIOCIWFIRSTPRIV */
};
typedef struct atmel_priv_ioctl {
char id[32];
- unsigned char __user *data;
- unsigned short len;
+ unsigned char __user *data;
+ unsigned short len;
} atmel_priv_ioctl;
-
-#define ATMELFWL SIOCIWFIRSTPRIV
-#define ATMELIDIFC ATMELFWL + 1
-#define ATMELRD ATMELFWL + 2
-#define ATMELMAGIC 0x51807
+#define ATMELFWL SIOCIWFIRSTPRIV
+#define ATMELIDIFC ATMELFWL + 1
+#define ATMELRD ATMELFWL + 2
+#define ATMELMAGIC 0x51807
#define REGDOMAINSZ 20
static const struct iw_priv_args atmel_private_args[] = {
-/*{ cmd, set_args, get_args, name } */
- { ATMELFWL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (atmel_priv_ioctl), IW_PRIV_TYPE_NONE, "atmelfwl" },
- { ATMELIDIFC, IW_PRIV_TYPE_NONE, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "atmelidifc" },
- { ATMELRD, IW_PRIV_TYPE_CHAR | REGDOMAINSZ, IW_PRIV_TYPE_NONE, "regdomain" },
+ {
+ .cmd = ATMELFWL,
+ .set_args = IW_PRIV_TYPE_BYTE
+ | IW_PRIV_SIZE_FIXED
+ | sizeof (atmel_priv_ioctl),
+ .get_args = IW_PRIV_TYPE_NONE,
+ .name = "atmelfwl"
+ }, {
+ .cmd = ATMELIDIFC,
+ .set_args = IW_PRIV_TYPE_NONE,
+ .get_args = IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
+ .name = "atmelidifc"
+ }, {
+ .cmd = ATMELRD,
+ .set_args = IW_PRIV_TYPE_CHAR | REGDOMAINSZ,
+ .get_args = IW_PRIV_TYPE_NONE,
+ .name = "regdomain"
+ },
};
-static const struct iw_handler_def atmel_handler_def =
+static const struct iw_handler_def atmel_handler_def =
{
.num_standard = sizeof(atmel_handler)/sizeof(iw_handler),
- .num_private = sizeof(atmel_private_handler)/sizeof(iw_handler),
- .num_private_args = sizeof(atmel_private_args)/sizeof(struct iw_priv_args),
+ .num_private = sizeof(atmel_private_handler)/sizeof(iw_handler),
+ .num_private_args = sizeof(atmel_private_args)/sizeof(struct iw_priv_args),
.standard = (iw_handler *) atmel_handler,
- .private = (iw_handler *) atmel_private_handler,
+ .private = (iw_handler *) atmel_private_handler,
.private_args = (struct iw_priv_args *) atmel_private_args,
.get_wireless_stats = atmel_get_wireless_stats
};
@@ -2419,13 +2433,13 @@
atmel_priv_ioctl com;
struct iwreq *wrq = (struct iwreq *) rq;
unsigned char *new_firmware;
- char domain[REGDOMAINSZ+1];
+ char domain[REGDOMAINSZ + 1];
switch (cmd) {
case ATMELIDIFC:
- wrq->u.param.value = ATMELMAGIC;
+ wrq->u.param.value = ATMELMAGIC;
break;
-
+
case ATMELFWL:
if (copy_from_user(&com, rq->ifr_data, sizeof(com))) {
rc = -EFAULT;
@@ -2449,7 +2463,7 @@
}
kfree(priv->firmware);
-
+
priv->firmware = new_firmware;
priv->firmware_length = com.len;
strncpy(priv->firmware_id, com.id, 31);
@@ -2461,7 +2475,7 @@
rc = -EFAULT;
break;
}
-
+
if (!capable(CAP_NET_ADMIN)) {
rc = -EPERM;
break;
@@ -2484,15 +2498,15 @@
rc = 0;
}
}
-
+
if (rc == 0 && priv->station_state != STATION_STATE_DOWN)
rc = atmel_open(dev);
break;
-
+
default:
rc = -EOPNOTSUPP;
}
-
+
return rc;
}
@@ -2503,17 +2517,17 @@
u8 el_id;
u8 chall_text_len;
u8 chall_text[253];
-};
+};
static void atmel_enter_state(struct atmel_private *priv, int new_state)
{
int old_state = priv->station_state;
-
+
if (new_state == old_state)
return;
-
+
priv->station_state = new_state;
-
+
if (new_state == STATION_STATE_READY) {
netif_start_queue(priv->dev);
netif_carrier_on(priv->dev);
@@ -2540,7 +2554,7 @@
u8 options;
u8 SSID_size;
} cmd;
-
+
memset(cmd.BSSID, 0xff, 6);
if (priv->fast_scan) {
@@ -2554,17 +2568,17 @@
cmd.min_channel_time = cpu_to_le16(10);
cmd.max_channel_time = cpu_to_le16(120);
}
-
+
cmd.options = 0;
-
+
if (!specific_ssid)
cmd.options |= SCAN_OPTIONS_SITE_SURVEY;
-
- cmd.channel = (priv->channel & 0x7f);
+
+ cmd.channel = (priv->channel & 0x7f);
cmd.scan_type = SCAN_TYPE_ACTIVE;
- cmd.BSS_type = cpu_to_le16(priv->operating_mode == IW_MODE_ADHOC ?
+ cmd.BSS_type = cpu_to_le16(priv->operating_mode == IW_MODE_ADHOC ?
BSS_TYPE_AD_HOC : BSS_TYPE_INFRASTRUCTURE);
-
+
atmel_send_command(priv, CMD_Scan, &cmd, sizeof(cmd));
/* This must come after all hardware access to avoid being messed up
@@ -2591,16 +2605,15 @@
cmd.BSS_type = type;
cmd.timeout = cpu_to_le16(2000);
- atmel_send_command(priv, CMD_Join, &cmd, sizeof(cmd));
+ atmel_send_command(priv, CMD_Join, &cmd, sizeof(cmd));
}
-
static void start(struct atmel_private *priv, int type)
{
struct {
u8 BSSID[6];
u8 SSID[MAX_SSID_LENGTH];
- u8 BSS_type;
+ u8 BSS_type;
u8 channel;
u8 SSID_size;
u8 reserved[3];
@@ -2612,13 +2625,14 @@
cmd.BSS_type = type;
cmd.channel = (priv->channel & 0x7f);
- atmel_send_command(priv, CMD_Start, &cmd, sizeof(cmd));
+ atmel_send_command(priv, CMD_Start, &cmd, sizeof(cmd));
}
-static void handle_beacon_probe(struct atmel_private *priv, u16 capability, u8 channel)
+static void handle_beacon_probe(struct atmel_private *priv, u16 capability,
+ u8 channel)
{
int rejoin = 0;
- int new = capability & C80211_MGMT_CAPABILITY_ShortPreamble ?
+ int new = capability & C80211_MGMT_CAPABILITY_ShortPreamble ?
SHORT_PREAMBLE : LONG_PREAMBLE;
if (priv->preamble != new) {
@@ -2626,48 +2640,48 @@
rejoin = 1;
atmel_set_mib8(priv, Local_Mib_Type, LOCAL_MIB_PREAMBLE_TYPE, new);
}
-
+
if (priv->channel != channel) {
priv->channel = channel;
rejoin = 1;
atmel_set_mib8(priv, Phy_Mib_Type, PHY_MIB_CHANNEL_POS, channel);
}
-
+
if (rejoin) {
priv->station_is_associated = 0;
atmel_enter_state(priv, STATION_STATE_JOINNING);
-
+
if (priv->operating_mode == IW_MODE_INFRA)
join(priv, BSS_TYPE_INFRASTRUCTURE);
- else
+ else
join(priv, BSS_TYPE_AD_HOC);
- }
+ }
}
-
-static void send_authentication_request(struct atmel_private *priv, u16 system, u8 *challenge, int challenge_len)
+static void send_authentication_request(struct atmel_private *priv, u16 system,
+ u8 *challenge, int challenge_len)
{
struct ieee80211_hdr_4addr header;
struct auth_body auth;
-
- header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
- header.duration_id = cpu_to_le16(0x8000);
+
+ header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
+ header.duration_id = cpu_to_le16(0x8000);
header.seq_ctl = 0;
memcpy(header.addr1, priv->CurrentBSSID, 6);
memcpy(header.addr2, priv->dev->dev_addr, 6);
memcpy(header.addr3, priv->CurrentBSSID, 6);
-
- if (priv->wep_is_on && priv->CurrentAuthentTransactionSeqNum != 1)
+
+ if (priv->wep_is_on && priv->CurrentAuthentTransactionSeqNum != 1)
/* no WEP for authentication frames with TrSeqNo 1 */
header.frame_ctl |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
-
- auth.alg = cpu_to_le16(system);
+
+ auth.alg = cpu_to_le16(system);
auth.status = 0;
auth.trans_seq = cpu_to_le16(priv->CurrentAuthentTransactionSeqNum);
- priv->ExpectedAuthentTransactionSeqNum = priv->CurrentAuthentTransactionSeqNum+1;
+ priv->ExpectedAuthentTransactionSeqNum = priv->CurrentAuthentTransactionSeqNum+1;
priv->CurrentAuthentTransactionSeqNum += 2;
-
+
if (challenge_len != 0) {
auth.el_id = 16; /* challenge_text */
auth.chall_text_len = challenge_len;
@@ -2685,7 +2699,7 @@
struct ieee80211_hdr_4addr header;
struct ass_req_format {
u16 capability;
- u16 listen_interval;
+ u16 listen_interval;
u8 ap[6]; /* nothing after here directly accessible */
u8 ssid_el_id;
u8 ssid_len;
@@ -2694,15 +2708,15 @@
u8 sup_rates_len;
u8 rates[4];
} body;
-
- header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+
+ header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT |
(is_reassoc ? IEEE80211_STYPE_REASSOC_REQ : IEEE80211_STYPE_ASSOC_REQ));
header.duration_id = cpu_to_le16(0x8000);
header.seq_ctl = 0;
- memcpy(header.addr1, priv->CurrentBSSID, 6);
+ memcpy(header.addr1, priv->CurrentBSSID, 6);
memcpy(header.addr2, priv->dev->dev_addr, 6);
- memcpy(header.addr3, priv->CurrentBSSID, 6);
+ memcpy(header.addr3, priv->CurrentBSSID, 6);
body.capability = cpu_to_le16(C80211_MGMT_CAPABILITY_ESS);
if (priv->wep_is_on)
@@ -2711,18 +2725,18 @@
body.capability |= cpu_to_le16(C80211_MGMT_CAPABILITY_ShortPreamble);
body.listen_interval = cpu_to_le16(priv->listen_interval * priv->beacon_period);
-
+
/* current AP address - only in reassoc frame */
if (is_reassoc) {
- memcpy(body.ap, priv->CurrentBSSID, 6);
+ memcpy(body.ap, priv->CurrentBSSID, 6);
ssid_el_p = (u8 *)&body.ssid_el_id;
bodysize = 18 + priv->SSID_size;
} else {
ssid_el_p = (u8 *)&body.ap[0];
bodysize = 12 + priv->SSID_size;
}
-
- ssid_el_p[0]= C80211_MGMT_ElementID_SSID;
+
+ ssid_el_p[0] = C80211_MGMT_ElementID_SSID;
ssid_el_p[1] = priv->SSID_size;
memcpy(ssid_el_p + 2, priv->SSID, priv->SSID_size);
ssid_el_p[2 + priv->SSID_size] = C80211_MGMT_ElementID_SupportedRates;
@@ -2732,7 +2746,8 @@
atmel_transmit_management_frame(priv, &header, (void *)&body, bodysize);
}
-static int is_frame_from_current_bss(struct atmel_private *priv, struct ieee80211_hdr_4addr *header)
+static int is_frame_from_current_bss(struct atmel_private *priv,
+ struct ieee80211_hdr_4addr *header)
{
if (le16_to_cpu(header->frame_ctl) & IEEE80211_FCTL_FROMDS)
return memcmp(header->addr3, priv->CurrentBSSID, 6) == 0;
@@ -2745,29 +2760,29 @@
int i;
int max_rssi = -128;
int max_index = -1;
-
+
if (priv->BSS_list_entries == 0)
return -1;
-
+
if (priv->connect_to_any_BSS) {
- /* Select a BSS with the max-RSSI but of the same type and of the same WEP mode
- and that it is not marked as 'bad' (i.e. we had previously failed to connect to
- this BSS with the settings that we currently use) */
+ /* Select a BSS with the max-RSSI but of the same type and of
+ the same WEP mode and that it is not marked as 'bad' (i.e.
+ we had previously failed to connect to this BSS with the
+ settings that we currently use) */
priv->current_BSS = 0;
- for(i=0; i<priv->BSS_list_entries; i++) {
+ for (i = 0; i < priv->BSS_list_entries; i++) {
if (priv->operating_mode == priv->BSSinfo[i].BSStype &&
- ((!priv->wep_is_on && !priv->BSSinfo[i].UsingWEP) ||
+ ((!priv->wep_is_on && !priv->BSSinfo[i].UsingWEP) ||
(priv->wep_is_on && priv->BSSinfo[i].UsingWEP)) &&
!(priv->BSSinfo[i].channel & 0x80)) {
max_rssi = priv->BSSinfo[i].RSSI;
priv->current_BSS = max_index = i;
}
-
}
return max_index;
}
-
- for(i=0; i<priv->BSS_list_entries; i++) {
+
+ for (i = 0; i < priv->BSS_list_entries; i++) {
if (priv->SSID_size == priv->BSSinfo[i].SSIDsize &&
memcmp(priv->SSID, priv->BSSinfo[i].SSID, priv->SSID_size) == 0 &&
priv->operating_mode == priv->BSSinfo[i].BSStype &&
@@ -2781,19 +2796,19 @@
return max_index;
}
-
-static void store_bss_info(struct atmel_private *priv, struct ieee80211_hdr_4addr *header,
- u16 capability, u16 beacon_period, u8 channel, u8 rssi,
- u8 ssid_len, u8 *ssid, int is_beacon)
+static void store_bss_info(struct atmel_private *priv,
+ struct ieee80211_hdr_4addr *header, u16 capability,
+ u16 beacon_period, u8 channel, u8 rssi, u8 ssid_len,
+ u8 *ssid, int is_beacon)
{
u8 *bss = capability & C80211_MGMT_CAPABILITY_ESS ? header->addr2 : header->addr3;
int i, index;
-
- for (index = -1, i = 0; i < priv->BSS_list_entries; i++)
- if (memcmp(bss, priv->BSSinfo[i].BSSID, 6) == 0)
+
+ for (index = -1, i = 0; i < priv->BSS_list_entries; i++)
+ if (memcmp(bss, priv->BSSinfo[i].BSSID, 6) == 0)
index = i;
- /* If we process a probe and an entry from this BSS exists
+ /* If we process a probe and an entry from this BSS exists
we will update the BSS entry with the info from this BSS.
If we process a beacon we will only update RSSI */
@@ -2820,8 +2835,8 @@
priv->BSSinfo[index].BSStype = IW_MODE_ADHOC;
else if (capability & C80211_MGMT_CAPABILITY_ESS)
priv->BSSinfo[index].BSStype =IW_MODE_INFRA;
-
- priv->BSSinfo[index].preamble = capability & C80211_MGMT_CAPABILITY_ShortPreamble ?
+
+ priv->BSSinfo[index].preamble = capability & C80211_MGMT_CAPABILITY_ShortPreamble ?
SHORT_PREAMBLE : LONG_PREAMBLE;
}
@@ -2831,8 +2846,8 @@
u16 status = le16_to_cpu(auth->status);
u16 trans_seq_no = le16_to_cpu(auth->trans_seq);
u16 system = le16_to_cpu(auth->alg);
-
- if (status == C80211_MGMT_SC_Success && !priv->wep_is_on) {
+
+ if (status == C80211_MGMT_SC_Success && !priv->wep_is_on) {
/* no WEP */
if (priv->station_was_associated) {
atmel_enter_state(priv, STATION_STATE_REASSOCIATING);
@@ -2842,20 +2857,20 @@
atmel_enter_state(priv, STATION_STATE_ASSOCIATING);
send_association_request(priv, 0);
return;
- }
+ }
}
-
- if (status == C80211_MGMT_SC_Success && priv->wep_is_on) {
+
+ if (status == C80211_MGMT_SC_Success && priv->wep_is_on) {
/* WEP */
if (trans_seq_no != priv->ExpectedAuthentTransactionSeqNum)
return;
-
+
if (trans_seq_no == 0x0002 &&
auth->el_id == C80211_MGMT_ElementID_ChallengeText) {
send_authentication_request(priv, system, auth->chall_text, auth->chall_text_len);
return;
}
-
+
if (trans_seq_no == 0x0004) {
if(priv->station_was_associated) {
atmel_enter_state(priv, STATION_STATE_REASSOCIATING);
@@ -2865,10 +2880,10 @@
atmel_enter_state(priv, STATION_STATE_ASSOCIATING);
send_association_request(priv, 0);
return;
- }
+ }
}
- }
-
+ }
+
if (status == C80211_MGMT_SC_AuthAlgNotSupported) {
/* Do opensystem first, then try sharedkey */
if (system == C80211_MGMT_AAN_OPENSYSTEM) {
@@ -2876,17 +2891,16 @@
send_authentication_request(priv, C80211_MGMT_AAN_SHAREDKEY, NULL, 0);
} else if (priv->connect_to_any_BSS) {
int bss_index;
-
+
priv->BSSinfo[(int)(priv->current_BSS)].channel |= 0x80;
-
+
if ((bss_index = retrieve_bss(priv)) != -1) {
atmel_join_bss(priv, bss_index);
return;
}
}
}
-
-
+
priv->AuthenticationRequestRetryCnt = 0;
atmel_enter_state(priv, STATION_STATE_MGMT_ERROR);
priv->station_is_associated = 0;
@@ -2902,38 +2916,44 @@
u8 length;
u8 rates[4];
} *ass_resp = (struct ass_resp_format *)priv->rx_buf;
-
- u16 status = le16_to_cpu(ass_resp->status);
+
+ u16 status = le16_to_cpu(ass_resp->status);
u16 ass_id = le16_to_cpu(ass_resp->ass_id);
- u16 rates_len = ass_resp->length > 4 ? 4 : ass_resp->length;
-
+ u16 rates_len = ass_resp->length > 4 ? 4 : ass_resp->length;
+
if (frame_len < 8 + rates_len)
return;
-
+
if (status == C80211_MGMT_SC_Success) {
if (subtype == C80211_SUBTYPE_MGMT_ASS_RESPONSE)
priv->AssociationRequestRetryCnt = 0;
else
priv->ReAssociationRequestRetryCnt = 0;
-
- atmel_set_mib16(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_STATION_ID_POS, ass_id & 0x3fff);
- atmel_set_mib(priv, Phy_Mib_Type, PHY_MIB_RATE_SET_POS, ass_resp->rates, rates_len);
+
+ atmel_set_mib16(priv, Mac_Mgmt_Mib_Type,
+ MAC_MGMT_MIB_STATION_ID_POS, ass_id & 0x3fff);
+ atmel_set_mib(priv, Phy_Mib_Type,
+ PHY_MIB_RATE_SET_POS, ass_resp->rates, rates_len);
if (priv->power_mode == 0) {
priv->listen_interval = 1;
- atmel_set_mib8(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_PS_MODE_POS, ACTIVE_MODE);
- atmel_set_mib16(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_LISTEN_INTERVAL_POS, 1);
+ atmel_set_mib8(priv, Mac_Mgmt_Mib_Type,
+ MAC_MGMT_MIB_PS_MODE_POS, ACTIVE_MODE);
+ atmel_set_mib16(priv, Mac_Mgmt_Mib_Type,
+ MAC_MGMT_MIB_LISTEN_INTERVAL_POS, 1);
} else {
priv->listen_interval = 2;
- atmel_set_mib8(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_PS_MODE_POS, PS_MODE);
- atmel_set_mib16(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_LISTEN_INTERVAL_POS, 2);
+ atmel_set_mib8(priv, Mac_Mgmt_Mib_Type,
+ MAC_MGMT_MIB_PS_MODE_POS, PS_MODE);
+ atmel_set_mib16(priv, Mac_Mgmt_Mib_Type,
+ MAC_MGMT_MIB_LISTEN_INTERVAL_POS, 2);
}
-
+
priv->station_is_associated = 1;
priv->station_was_associated = 1;
atmel_enter_state(priv, STATION_STATE_READY);
return;
}
-
+
if (subtype == C80211_SUBTYPE_MGMT_ASS_RESPONSE &&
status != C80211_MGMT_SC_AssDeniedBSSRate &&
status != C80211_MGMT_SC_SupportCapabilities &&
@@ -2943,7 +2963,7 @@
send_association_request(priv, 0);
return;
}
-
+
if (subtype == C80211_SUBTYPE_MGMT_REASS_RESPONSE &&
status != C80211_MGMT_SC_AssDeniedBSSRate &&
status != C80211_MGMT_SC_SupportCapabilities &&
@@ -2953,17 +2973,16 @@
send_association_request(priv, 1);
return;
}
-
+
atmel_enter_state(priv, STATION_STATE_MGMT_ERROR);
priv->station_is_associated = 0;
-
- if(priv->connect_to_any_BSS) {
+
+ if (priv->connect_to_any_BSS) {
int bss_index;
priv->BSSinfo[(int)(priv->current_BSS)].channel |= 0x80;
-
- if ((bss_index = retrieve_bss(priv)) != -1)
+
+ if ((bss_index = retrieve_bss(priv)) != -1)
atmel_join_bss(priv, bss_index);
-
}
}
@@ -2977,7 +2996,7 @@
/* The WPA stuff cares about the current AP address */
if (priv->use_wpa)
build_wpa_mib(priv);
-
+
/* When switching to AdHoc turn OFF Power Save if needed */
if (bss->BSStype == IW_MODE_ADHOC &&
@@ -2985,25 +3004,28 @@
priv->power_mode) {
priv->power_mode = 0;
priv->listen_interval = 1;
- atmel_set_mib8(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_PS_MODE_POS, ACTIVE_MODE);
- atmel_set_mib16(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_LISTEN_INTERVAL_POS, 1);
+ atmel_set_mib8(priv, Mac_Mgmt_Mib_Type,
+ MAC_MGMT_MIB_PS_MODE_POS, ACTIVE_MODE);
+ atmel_set_mib16(priv, Mac_Mgmt_Mib_Type,
+ MAC_MGMT_MIB_LISTEN_INTERVAL_POS, 1);
}
-
+
priv->operating_mode = bss->BSStype;
- priv->channel = bss->channel & 0x7f;
+ priv->channel = bss->channel & 0x7f;
priv->beacon_period = bss->beacon_period;
-
+
if (priv->preamble != bss->preamble) {
priv->preamble = bss->preamble;
- atmel_set_mib8(priv, Local_Mib_Type, LOCAL_MIB_PREAMBLE_TYPE, bss->preamble);
+ atmel_set_mib8(priv, Local_Mib_Type,
+ LOCAL_MIB_PREAMBLE_TYPE, bss->preamble);
}
-
+
if (!priv->wep_is_on && bss->UsingWEP) {
atmel_enter_state(priv, STATION_STATE_MGMT_ERROR);
priv->station_is_associated = 0;
return;
}
-
+
if (priv->wep_is_on && !bss->UsingWEP) {
atmel_enter_state(priv, STATION_STATE_MGMT_ERROR);
priv->station_is_associated = 0;
@@ -3011,30 +3033,28 @@
}
atmel_enter_state(priv, STATION_STATE_JOINNING);
-
+
if (priv->operating_mode == IW_MODE_INFRA)
join(priv, BSS_TYPE_INFRASTRUCTURE);
- else
+ else
join(priv, BSS_TYPE_AD_HOC);
}
-
static void restart_search(struct atmel_private *priv)
{
int bss_index;
-
+
if (!priv->connect_to_any_BSS) {
atmel_scan(priv, 1);
} else {
priv->BSSinfo[(int)(priv->current_BSS)].channel |= 0x80;
-
- if ((bss_index = retrieve_bss(priv)) != -1)
+
+ if ((bss_index = retrieve_bss(priv)) != -1)
atmel_join_bss(priv, bss_index);
else
atmel_scan(priv, 0);
-
- }
-}
+ }
+}
static void smooth_rssi(struct atmel_private *priv, u8 rssi)
{
@@ -3050,21 +3070,21 @@
}
rssi = rssi * 100 / max_rssi;
- if((rssi + old) % 2)
- priv->wstats.qual.level = ((rssi + old)/2) + 1;
+ if ((rssi + old) % 2)
+ priv->wstats.qual.level = (rssi + old) / 2 + 1;
else
- priv->wstats.qual.level = ((rssi + old)/2);
+ priv->wstats.qual.level = (rssi + old) / 2;
priv->wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
priv->wstats.qual.updated &= ~IW_QUAL_LEVEL_INVALID;
}
static void atmel_smooth_qual(struct atmel_private *priv)
{
- unsigned long time_diff = (jiffies - priv->last_qual)/HZ;
+ unsigned long time_diff = (jiffies - priv->last_qual) / HZ;
while (time_diff--) {
priv->last_qual += HZ;
- priv->wstats.qual.qual = priv->wstats.qual.qual/2;
- priv->wstats.qual.qual +=
+ priv->wstats.qual.qual = priv->wstats.qual.qual / 2;
+ priv->wstats.qual.qual +=
priv->beacons_this_sec * priv->beacon_period * (priv->wstats.qual.level + 100) / 4000;
priv->beacons_this_sec = 0;
}
@@ -3073,15 +3093,17 @@
}
/* deals with incoming managment frames. */
-static void atmel_management_frame(struct atmel_private *priv, struct ieee80211_hdr_4addr *header,
- u16 frame_len, u8 rssi)
+static void atmel_management_frame(struct atmel_private *priv,
+ struct ieee80211_hdr_4addr *header,
+ u16 frame_len, u8 rssi)
{
u16 subtype;
-
- switch (subtype = le16_to_cpu(header->frame_ctl) & IEEE80211_FCTL_STYPE) {
- case C80211_SUBTYPE_MGMT_BEACON :
+
+ subtype = le16_to_cpu(header->frame_ctl) & IEEE80211_FCTL_STYPE;
+ switch (subtype) {
+ case C80211_SUBTYPE_MGMT_BEACON:
case C80211_SUBTYPE_MGMT_ProbeResponse:
-
+
/* beacon frame has multiple variable-length fields -
never let an engineer loose with a data structure design. */
{
@@ -3099,7 +3121,7 @@
u8 ds_length;
/* ds here */
} *beacon = (struct beacon_format *)priv->rx_buf;
-
+
u8 channel, rates_length, ssid_length;
u64 timestamp = le64_to_cpu(beacon->timestamp);
u16 beacon_interval = le16_to_cpu(beacon->interval);
@@ -3107,7 +3129,7 @@
u8 *beaconp = priv->rx_buf;
ssid_length = beacon->ssid_length;
/* this blows chunks. */
- if (frame_len < 14 || frame_len < ssid_length + 15)
+ if (frame_len < 14 || frame_len < ssid_length + 15)
return;
rates_length = beaconp[beacon->ssid_length + 15];
if (frame_len < ssid_length + rates_length + 18)
@@ -3115,10 +3137,10 @@
if (ssid_length > MAX_SSID_LENGTH)
return;
channel = beaconp[ssid_length + rates_length + 18];
-
+
if (priv->station_state == STATION_STATE_READY) {
smooth_rssi(priv, rssi);
- if (is_frame_from_current_bss(priv, header)) {
+ if (is_frame_from_current_bss(priv, header)) {
priv->beacons_this_sec++;
atmel_smooth_qual(priv);
if (priv->last_beacon_timestamp) {
@@ -3132,41 +3154,43 @@
handle_beacon_probe(priv, capability, channel);
}
}
-
- if (priv->station_state == STATION_STATE_SCANNING )
- store_bss_info(priv, header, capability, beacon_interval, channel,
- rssi, ssid_length, &beacon->rates_el_id,
- subtype == C80211_SUBTYPE_MGMT_BEACON) ;
+
+ if (priv->station_state == STATION_STATE_SCANNING)
+ store_bss_info(priv, header, capability,
+ beacon_interval, channel, rssi,
+ ssid_length,
+ &beacon->rates_el_id,
+ subtype == C80211_SUBTYPE_MGMT_BEACON);
}
break;
-
+
case C80211_SUBTYPE_MGMT_Authentication:
if (priv->station_state == STATION_STATE_AUTHENTICATING)
authenticate(priv, frame_len);
-
+
break;
-
+
case C80211_SUBTYPE_MGMT_ASS_RESPONSE:
case C80211_SUBTYPE_MGMT_REASS_RESPONSE:
-
- if (priv->station_state == STATION_STATE_ASSOCIATING ||
+
+ if (priv->station_state == STATION_STATE_ASSOCIATING ||
priv->station_state == STATION_STATE_REASSOCIATING)
associate(priv, frame_len, subtype);
-
+
break;
case C80211_SUBTYPE_MGMT_DISASSOSIATION:
- if (priv->station_is_associated &&
- priv->operating_mode == IW_MODE_INFRA &&
+ if (priv->station_is_associated &&
+ priv->operating_mode == IW_MODE_INFRA &&
is_frame_from_current_bss(priv, header)) {
priv->station_was_associated = 0;
priv->station_is_associated = 0;
-
+
atmel_enter_state(priv, STATION_STATE_JOINNING);
join(priv, BSS_TYPE_INFRASTRUCTURE);
}
-
+
break;
case C80211_SUBTYPE_MGMT_Deauthentication:
@@ -3177,7 +3201,7 @@
atmel_enter_state(priv, STATION_STATE_JOINNING);
join(priv, BSS_TYPE_INFRASTRUCTURE);
}
-
+
break;
}
}
@@ -3185,76 +3209,73 @@
/* run when timer expires */
static void atmel_management_timer(u_long a)
{
- struct net_device *dev = (struct net_device *) a;
- struct atmel_private *priv = netdev_priv(dev);
- unsigned long flags;
-
- /* Check if the card has been yanked. */
- if (priv->card && priv->present_callback &&
- !(*priv->present_callback)(priv->card))
- return;
-
- spin_lock_irqsave(&priv->irqlock, flags);
+ struct net_device *dev = (struct net_device *) a;
+ struct atmel_private *priv = netdev_priv(dev);
+ unsigned long flags;
- switch (priv->station_state) {
-
- case STATION_STATE_AUTHENTICATING:
- if (priv->AuthenticationRequestRetryCnt >= MAX_AUTHENTICATION_RETRIES) {
- atmel_enter_state(priv, STATION_STATE_MGMT_ERROR);
- priv->station_is_associated = 0;
- priv->AuthenticationRequestRetryCnt = 0;
- restart_search(priv);
- } else {
- priv->AuthenticationRequestRetryCnt++;
- priv->CurrentAuthentTransactionSeqNum = 0x0001;
- mod_timer(&priv->management_timer, jiffies + MGMT_JIFFIES);
- send_authentication_request(priv, C80211_MGMT_AAN_OPENSYSTEM, NULL, 0);
+ /* Check if the card has been yanked. */
+ if (priv->card && priv->present_callback &&
+ !(*priv->present_callback)(priv->card))
+ return;
+
+ spin_lock_irqsave(&priv->irqlock, flags);
+
+ switch (priv->station_state) {
+
+ case STATION_STATE_AUTHENTICATING:
+ if (priv->AuthenticationRequestRetryCnt >= MAX_AUTHENTICATION_RETRIES) {
+ atmel_enter_state(priv, STATION_STATE_MGMT_ERROR);
+ priv->station_is_associated = 0;
+ priv->AuthenticationRequestRetryCnt = 0;
+ restart_search(priv);
+ } else {
+ priv->AuthenticationRequestRetryCnt++;
+ priv->CurrentAuthentTransactionSeqNum = 0x0001;
+ mod_timer(&priv->management_timer, jiffies + MGMT_JIFFIES);
+ send_authentication_request(priv, C80211_MGMT_AAN_OPENSYSTEM, NULL, 0);
}
-
break;
- case STATION_STATE_ASSOCIATING:
- if (priv->AssociationRequestRetryCnt == MAX_ASSOCIATION_RETRIES) {
- atmel_enter_state(priv, STATION_STATE_MGMT_ERROR);
- priv->station_is_associated = 0;
- priv->AssociationRequestRetryCnt = 0;
- restart_search(priv);
- } else {
- priv->AssociationRequestRetryCnt++;
- mod_timer(&priv->management_timer, jiffies + MGMT_JIFFIES);
- send_association_request(priv, 0);
- }
+ case STATION_STATE_ASSOCIATING:
+ if (priv->AssociationRequestRetryCnt == MAX_ASSOCIATION_RETRIES) {
+ atmel_enter_state(priv, STATION_STATE_MGMT_ERROR);
+ priv->station_is_associated = 0;
+ priv->AssociationRequestRetryCnt = 0;
+ restart_search(priv);
+ } else {
+ priv->AssociationRequestRetryCnt++;
+ mod_timer(&priv->management_timer, jiffies + MGMT_JIFFIES);
+ send_association_request(priv, 0);
+ }
+ break;
- break;
-
- case STATION_STATE_REASSOCIATING:
- if (priv->ReAssociationRequestRetryCnt == MAX_ASSOCIATION_RETRIES) {
- atmel_enter_state(priv, STATION_STATE_MGMT_ERROR);
- priv->station_is_associated = 0;
- priv->ReAssociationRequestRetryCnt = 0;
- restart_search(priv);
- } else {
- priv->ReAssociationRequestRetryCnt++;
- mod_timer(&priv->management_timer, jiffies + MGMT_JIFFIES);
- send_association_request(priv, 1);
- }
+ case STATION_STATE_REASSOCIATING:
+ if (priv->ReAssociationRequestRetryCnt == MAX_ASSOCIATION_RETRIES) {
+ atmel_enter_state(priv, STATION_STATE_MGMT_ERROR);
+ priv->station_is_associated = 0;
+ priv->ReAssociationRequestRetryCnt = 0;
+ restart_search(priv);
+ } else {
+ priv->ReAssociationRequestRetryCnt++;
+ mod_timer(&priv->management_timer, jiffies + MGMT_JIFFIES);
+ send_association_request(priv, 1);
+ }
+ break;
- break;
-
- default:
- break;
- }
-
- spin_unlock_irqrestore(&priv->irqlock, flags);
+ default:
+ break;
+ }
+
+ spin_unlock_irqrestore(&priv->irqlock, flags);
}
-
+
static void atmel_command_irq(struct atmel_private *priv)
{
u8 status = atmel_rmem8(priv, atmel_co(priv, CMD_BLOCK_STATUS_OFFSET));
u8 command = atmel_rmem8(priv, atmel_co(priv, CMD_BLOCK_COMMAND_OFFSET));
int fast_scan;
-
- if (status == CMD_STATUS_IDLE ||
+
+ if (status == CMD_STATUS_IDLE ||
status == CMD_STATUS_IN_PROGRESS)
return;
@@ -3266,20 +3287,20 @@
atmel_get_mib(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_CUR_BSSID_POS,
(u8 *)priv->CurrentBSSID, 6);
atmel_enter_state(priv, STATION_STATE_READY);
- }
+ }
break;
-
+
case CMD_Scan:
fast_scan = priv->fast_scan;
priv->fast_scan = 0;
-
+
if (status != CMD_STATUS_COMPLETE) {
atmel_scan(priv, 1);
} else {
int bss_index = retrieve_bss(priv);
if (bss_index != -1) {
atmel_join_bss(priv, bss_index);
- } else if (priv->operating_mode == IW_MODE_ADHOC &&
+ } else if (priv->operating_mode == IW_MODE_ADHOC &&
priv->SSID_size != 0) {
start(priv, BSS_TYPE_AD_HOC);
} else {
@@ -3289,16 +3310,16 @@
priv->site_survey_state = SITE_SURVEY_COMPLETED;
}
break;
-
+
case CMD_SiteSurvey:
priv->fast_scan = 0;
-
+
if (status != CMD_STATUS_COMPLETE)
return;
-
+
priv->site_survey_state = SITE_SURVEY_COMPLETED;
if (priv->station_is_associated) {
- atmel_enter_state(priv, STATION_STATE_READY);
+ atmel_enter_state(priv, STATION_STATE_READY);
} else {
atmel_scan(priv, 1);
}
@@ -3312,16 +3333,15 @@
} else {
priv->AuthenticationRequestRetryCnt = 0;
atmel_enter_state(priv, STATION_STATE_AUTHENTICATING);
-
+
mod_timer(&priv->management_timer, jiffies + MGMT_JIFFIES);
priv->CurrentAuthentTransactionSeqNum = 0x0001;
send_authentication_request(priv, C80211_MGMT_AAN_SHAREDKEY, NULL, 0);
}
return;
}
-
+
atmel_scan(priv, 1);
-
}
}
@@ -3333,20 +3353,20 @@
if (priv->card_type == CARD_TYPE_SPI_FLASH)
atmel_set_gcr(priv->dev, GCR_REMAP);
-
+
/* wake up on-board processor */
atmel_clear_gcr(priv->dev, 0x0040);
atmel_write16(priv->dev, BSR, BSS_SRAM);
-
+
if (priv->card_type == CARD_TYPE_SPI_FLASH)
mdelay(100);
/* and wait for it */
- for (i = LOOP_RETRY_LIMIT; i; i--) {
+ for (i = LOOP_RETRY_LIMIT; i; i--) {
mr1 = atmel_read16(priv->dev, MR1);
mr3 = atmel_read16(priv->dev, MR3);
-
- if (mr3 & MAC_BOOT_COMPLETE)
+
+ if (mr3 & MAC_BOOT_COMPLETE)
break;
if (mr1 & MAC_BOOT_COMPLETE &&
priv->bus_type == BUS_TYPE_PCCARD)
@@ -3357,35 +3377,36 @@
printk(KERN_ALERT "%s: MAC failed to boot.\n", priv->dev->name);
return 0;
}
-
+
if ((priv->host_info_base = atmel_read16(priv->dev, MR2)) == 0xffff) {
printk(KERN_ALERT "%s: card missing.\n", priv->dev->name);
return 0;
}
-
- /* now check for completion of MAC initialization through
- the FunCtrl field of the IFACE, poll MR1 to detect completion of
- MAC initialization, check completion status, set interrupt mask,
- enables interrupts and calls Tx and Rx initialization functions */
-
+
+ /* now check for completion of MAC initialization through
+ the FunCtrl field of the IFACE, poll MR1 to detect completion of
+ MAC initialization, check completion status, set interrupt mask,
+ enables interrupts and calls Tx and Rx initialization functions */
+
atmel_wmem8(priv, atmel_hi(priv, IFACE_FUNC_CTRL_OFFSET), FUNC_CTRL_INIT_COMPLETE);
-
- for (i = LOOP_RETRY_LIMIT; i; i--) {
+
+ for (i = LOOP_RETRY_LIMIT; i; i--) {
mr1 = atmel_read16(priv->dev, MR1);
mr3 = atmel_read16(priv->dev, MR3);
-
- if (mr3 & MAC_INIT_COMPLETE)
+
+ if (mr3 & MAC_INIT_COMPLETE)
break;
if (mr1 & MAC_INIT_COMPLETE &&
priv->bus_type == BUS_TYPE_PCCARD)
break;
}
-
+
if (i == 0) {
- printk(KERN_ALERT "%s: MAC failed to initialise.\n", priv->dev->name);
+ printk(KERN_ALERT "%s: MAC failed to initialise.\n",
+ priv->dev->name);
return 0;
}
-
+
/* Check for MAC_INIT_OK only on the register that the MAC_INIT_OK was set */
if ((mr3 & MAC_INIT_COMPLETE) &&
!(atmel_read16(priv->dev, MR3) & MAC_INIT_OK)) {
@@ -3398,9 +3419,9 @@
return 0;
}
- atmel_copy_to_host(priv->dev, (unsigned char *)iface,
+ atmel_copy_to_host(priv->dev, (unsigned char *)iface,
priv->host_info_base, sizeof(*iface));
-
+
iface->tx_buff_pos = le16_to_cpu(iface->tx_buff_pos);
iface->tx_buff_size = le16_to_cpu(iface->tx_buff_size);
iface->tx_desc_pos = le16_to_cpu(iface->tx_desc_pos);
@@ -3424,16 +3445,16 @@
{
int rc = 0;
struct atmel_private *priv = netdev_priv(dev);
-
+
/* reset pccard */
- if (priv->bus_type == BUS_TYPE_PCCARD)
+ if (priv->bus_type == BUS_TYPE_PCCARD)
atmel_write16(dev, GCR, 0x0060);
-
+
atmel_write16(dev, GCR, 0x0040);
mdelay(500);
-
+
if (atmel_read16(dev, MR2) == 0) {
- /* No stored firmware so load a small stub which just
+ /* No stored firmware so load a small stub which just
tells us the MAC address */
int i;
priv->card_type = CARD_TYPE_EEPROM;
@@ -3442,7 +3463,7 @@
atmel_set_gcr(dev, GCR_REMAP);
atmel_clear_gcr(priv->dev, 0x0040);
atmel_write16(dev, BSR, BSS_SRAM);
- for (i = LOOP_RETRY_LIMIT; i; i--)
+ for (i = LOOP_RETRY_LIMIT; i; i--)
if (atmel_read16(dev, MR3) & MAC_BOOT_COMPLETE)
break;
if (i == 0) {
@@ -3451,7 +3472,7 @@
atmel_copy_to_host(dev, dev->dev_addr, atmel_read16(dev, MR2), 6);
/* got address, now squash it again until the network
interface is opened */
- if (priv->bus_type == BUS_TYPE_PCCARD)
+ if (priv->bus_type == BUS_TYPE_PCCARD)
atmel_write16(dev, GCR, 0x0060);
atmel_write16(dev, GCR, 0x0040);
rc = 1;
@@ -3459,7 +3480,7 @@
} else if (atmel_read16(dev, MR4) == 0) {
/* Mac address easy in this case. */
priv->card_type = CARD_TYPE_PARALLEL_FLASH;
- atmel_write16(dev, BSR, 1);
+ atmel_write16(dev, BSR, 1);
atmel_copy_to_host(dev, dev->dev_addr, 0xc000, 6);
atmel_write16(dev, BSR, 0x200);
rc = 1;
@@ -3469,16 +3490,16 @@
priv->card_type = CARD_TYPE_SPI_FLASH;
if (atmel_wakeup_firmware(priv)) {
atmel_get_mib(priv, Mac_Address_Mib_Type, 0, dev->dev_addr, 6);
-
+
/* got address, now squash it again until the network
interface is opened */
- if (priv->bus_type == BUS_TYPE_PCCARD)
+ if (priv->bus_type == BUS_TYPE_PCCARD)
atmel_write16(dev, GCR, 0x0060);
atmel_write16(dev, GCR, 0x0040);
rc = 1;
}
}
-
+
if (rc) {
if (dev->dev_addr[0] == 0xFF) {
u8 default_mac[] = {0x00,0x04, 0x25, 0x00, 0x00, 0x00};
@@ -3486,27 +3507,27 @@
memcpy(dev->dev_addr, default_mac, 6);
}
}
-
+
return rc;
}
-static void build_wep_mib(struct atmel_private *priv)
/* Move the encyption information on the MIB structure.
This routine is for the pre-WPA firmware: later firmware has
a different format MIB and a different routine. */
+static void build_wep_mib(struct atmel_private *priv)
{
struct { /* NB this is matched to the hardware, don't change. */
- u8 wep_is_on;
+ u8 wep_is_on;
u8 default_key; /* 0..3 */
u8 reserved;
u8 exclude_unencrypted;
-
+
u32 WEPICV_error_count;
u32 WEP_excluded_count;
-
+
u8 wep_keys[MAX_ENCRYPTION_KEYS][13];
- u8 encryption_level; /* 0, 1, 2 */
- u8 reserved2[3];
+ u8 encryption_level; /* 0, 1, 2 */
+ u8 reserved2[3];
} mib;
int i;
@@ -3515,54 +3536,55 @@
if (priv->wep_key_len[priv->default_key] > 5)
mib.encryption_level = 2;
else
- mib.encryption_level = 1;
+ mib.encryption_level = 1;
} else {
mib.encryption_level = 0;
}
mib.default_key = priv->default_key;
mib.exclude_unencrypted = priv->exclude_unencrypted;
-
- for(i = 0; i < MAX_ENCRYPTION_KEYS; i++)
+
+ for (i = 0; i < MAX_ENCRYPTION_KEYS; i++)
memcpy(mib.wep_keys[i], priv->wep_keys[i], 13);
-
+
atmel_set_mib(priv, Mac_Wep_Mib_Type, 0, (u8 *)&mib, sizeof(mib));
}
static void build_wpa_mib(struct atmel_private *priv)
{
- /* This is for the later (WPA enabled) firmware. */
+ /* This is for the later (WPA enabled) firmware. */
struct { /* NB this is matched to the hardware, don't change. */
u8 cipher_default_key_value[MAX_ENCRYPTION_KEYS][MAX_ENCRYPTION_KEY_SIZE];
u8 receiver_address[6];
- u8 wep_is_on;
+ u8 wep_is_on;
u8 default_key; /* 0..3 */
u8 group_key;
u8 exclude_unencrypted;
u8 encryption_type;
u8 reserved;
-
+
u32 WEPICV_error_count;
u32 WEP_excluded_count;
-
+
u8 key_RSC[4][8];
} mib;
-
+
int i;
mib.wep_is_on = priv->wep_is_on;
mib.exclude_unencrypted = priv->exclude_unencrypted;
memcpy(mib.receiver_address, priv->CurrentBSSID, 6);
-
+
/* zero all the keys before adding in valid ones. */
memset(mib.cipher_default_key_value, 0, sizeof(mib.cipher_default_key_value));
-
+
if (priv->wep_is_on) {
- /* There's a comment in the Atmel code to the effect that this is only valid
- when still using WEP, it may need to be set to something to use WPA */
+ /* There's a comment in the Atmel code to the effect that this
+ is only valid when still using WEP, it may need to be set to
+ something to use WPA */
memset(mib.key_RSC, 0, sizeof(mib.key_RSC));
-
+
mib.default_key = mib.group_key = 255;
for (i = 0; i < MAX_ENCRYPTION_KEYS; i++) {
if (priv->wep_key_len[i] > 0) {
@@ -3570,12 +3592,12 @@
if (i == priv->default_key) {
mib.default_key = i;
mib.cipher_default_key_value[i][MAX_ENCRYPTION_KEY_SIZE-1] = 7;
- mib.cipher_default_key_value[i][MAX_ENCRYPTION_KEY_SIZE-2] = priv->pairwise_cipher_suite;
+ mib.cipher_default_key_value[i][MAX_ENCRYPTION_KEY_SIZE-2] = priv->pairwise_cipher_suite;
} else {
mib.group_key = i;
priv->group_cipher_suite = priv->pairwise_cipher_suite;
mib.cipher_default_key_value[i][MAX_ENCRYPTION_KEY_SIZE-1] = 1;
- mib.cipher_default_key_value[i][MAX_ENCRYPTION_KEY_SIZE-2] = priv->group_cipher_suite;
+ mib.cipher_default_key_value[i][MAX_ENCRYPTION_KEY_SIZE-2] = priv->group_cipher_suite;
}
}
}
@@ -3583,47 +3605,47 @@
mib.default_key = mib.group_key != 255 ? mib.group_key : 0;
if (mib.group_key == 255)
mib.group_key = mib.default_key;
-
+
}
-
+
atmel_set_mib(priv, Mac_Wep_Mib_Type, 0, (u8 *)&mib, sizeof(mib));
}
-
-static int reset_atmel_card(struct net_device *dev)
+
+static int reset_atmel_card(struct net_device *dev)
{
/* do everything necessary to wake up the hardware, including
waiting for the lightning strike and throwing the knife switch....
- set all the Mib values which matter in the card to match
+ set all the Mib values which matter in the card to match
their settings in the atmel_private structure. Some of these
can be altered on the fly, but many (WEP, infrastucture or ad-hoc)
can only be changed by tearing down the world and coming back through
here.
- This routine is also responsible for initialising some
- hardware-specific fields in the atmel_private structure,
+ This routine is also responsible for initialising some
+ hardware-specific fields in the atmel_private structure,
including a copy of the firmware's hostinfo stucture
which is the route into the rest of the firmare datastructures. */
struct atmel_private *priv = netdev_priv(dev);
u8 configuration;
-
+
/* data to add to the firmware names, in priority order
this implemenents firmware versioning */
-
+
static char *firmware_modifier[] = {
"-wpa",
"",
NULL
};
-
+
/* reset pccard */
- if (priv->bus_type == BUS_TYPE_PCCARD)
+ if (priv->bus_type == BUS_TYPE_PCCARD)
atmel_write16(priv->dev, GCR, 0x0060);
-
+
/* stop card , disable interrupts */
atmel_write16(priv->dev, GCR, 0x0040);
-
+
if (priv->card_type == CARD_TYPE_EEPROM) {
/* copy in firmware if needed */
const struct firmware *fw_entry = NULL;
@@ -3636,13 +3658,13 @@
"%s: card type is unknown: assuming at76c502 firmware is OK.\n",
dev->name);
printk(KERN_INFO
- "%s: if not, use the firmware= module parameter.\n",
+ "%s: if not, use the firmware= module parameter.\n",
dev->name);
strcpy(priv->firmware_id, "atmel_at76c502.bin");
}
if (request_firmware(&fw_entry, priv->firmware_id, priv->sys_dev) != 0) {
- printk(KERN_ALERT
- "%s: firmware %s is missing, cannot continue.\n",
+ printk(KERN_ALERT
+ "%s: firmware %s is missing, cannot continue.\n",
dev->name, priv->firmware_id);
return 0;
}
@@ -3654,7 +3676,7 @@
while (fw_table[fw_index].fw_type != priv->firmware_type
&& fw_table[fw_index].fw_type != ATMEL_FW_TYPE_NONE)
fw_index++;
-
+
/* construct the actual firmware file name */
if (fw_table[fw_index].fw_type != ATMEL_FW_TYPE_NONE) {
int i;
@@ -3669,24 +3691,24 @@
}
}
if (!success) {
- printk(KERN_ALERT
- "%s: firmware %s is missing, cannot start.\n",
+ printk(KERN_ALERT
+ "%s: firmware %s is missing, cannot start.\n",
dev->name, priv->firmware_id);
priv->firmware_id[0] = '\0';
- return 0;
+ return 0;
}
}
-
+
fw = fw_entry->data;
len = fw_entry->size;
}
-
+
if (len <= 0x6000) {
atmel_write16(priv->dev, BSR, BSS_IRAM);
atmel_copy_to_card(priv->dev, 0, fw, len);
atmel_set_gcr(priv->dev, GCR_REMAP);
} else {
- /* Remap */
+ /* Remap */
atmel_set_gcr(priv->dev, GCR_REMAP);
atmel_write16(priv->dev, BSR, BSS_IRAM);
atmel_copy_to_card(priv->dev, 0, fw, 0x6000);
@@ -3708,45 +3730,45 @@
the 3com broken-ness filter. */
priv->use_wpa = (priv->host_info.major_version == 4);
priv->radio_on_broken = (priv->host_info.major_version == 5);
-
+
/* unmask all irq sources */
atmel_wmem8(priv, atmel_hi(priv, IFACE_INT_MASK_OFFSET), 0xff);
-
+
/* int Tx system and enable Tx */
atmel_wmem8(priv, atmel_tx(priv, TX_DESC_FLAGS_OFFSET, 0), 0);
atmel_wmem32(priv, atmel_tx(priv, TX_DESC_NEXT_OFFSET, 0), 0x80000000L);
atmel_wmem16(priv, atmel_tx(priv, TX_DESC_POS_OFFSET, 0), 0);
atmel_wmem16(priv, atmel_tx(priv, TX_DESC_SIZE_OFFSET, 0), 0);
- priv->tx_desc_free = priv->host_info.tx_desc_count;
- priv->tx_desc_head = 0;
- priv->tx_desc_tail = 0;
+ priv->tx_desc_free = priv->host_info.tx_desc_count;
+ priv->tx_desc_head = 0;
+ priv->tx_desc_tail = 0;
priv->tx_desc_previous = 0;
priv->tx_free_mem = priv->host_info.tx_buff_size;
- priv->tx_buff_head = 0;
- priv->tx_buff_tail = 0;
-
- configuration = atmel_rmem8(priv, atmel_hi(priv, IFACE_FUNC_CTRL_OFFSET));
- atmel_wmem8(priv, atmel_hi(priv, IFACE_FUNC_CTRL_OFFSET),
+ priv->tx_buff_head = 0;
+ priv->tx_buff_tail = 0;
+
+ configuration = atmel_rmem8(priv, atmel_hi(priv, IFACE_FUNC_CTRL_OFFSET));
+ atmel_wmem8(priv, atmel_hi(priv, IFACE_FUNC_CTRL_OFFSET),
configuration | FUNC_CTRL_TxENABLE);
/* init Rx system and enable */
priv->rx_desc_head = 0;
-
- configuration = atmel_rmem8(priv, atmel_hi(priv, IFACE_FUNC_CTRL_OFFSET));
- atmel_wmem8(priv, atmel_hi(priv, IFACE_FUNC_CTRL_OFFSET),
+
+ configuration = atmel_rmem8(priv, atmel_hi(priv, IFACE_FUNC_CTRL_OFFSET));
+ atmel_wmem8(priv, atmel_hi(priv, IFACE_FUNC_CTRL_OFFSET),
configuration | FUNC_CTRL_RxENABLE);
-
+
if (!priv->radio_on_broken) {
- if (atmel_send_command_wait(priv, CMD_EnableRadio, NULL, 0) ==
+ if (atmel_send_command_wait(priv, CMD_EnableRadio, NULL, 0) ==
CMD_STATUS_REJECTED_RADIO_OFF) {
- printk(KERN_INFO
+ printk(KERN_INFO
"%s: cannot turn the radio on. (Hey radio, you're beautiful!)\n",
dev->name);
return 0;
}
}
-
+
/* set up enough MIB values to run. */
atmel_set_mib8(priv, Local_Mib_Type, LOCAL_MIB_AUTO_TX_RATE_POS, priv->auto_tx_rate);
atmel_set_mib8(priv, Local_Mib_Type, LOCAL_MIB_TX_PROMISCUOUS_POS, PROM_MODE_OFF);
@@ -3755,7 +3777,7 @@
atmel_set_mib8(priv, Mac_Mib_Type, MAC_MIB_SHORT_RETRY_POS, priv->short_retry);
atmel_set_mib8(priv, Mac_Mib_Type, MAC_MIB_LONG_RETRY_POS, priv->long_retry);
atmel_set_mib8(priv, Local_Mib_Type, LOCAL_MIB_PREAMBLE_TYPE, priv->preamble);
- atmel_set_mib(priv, Mac_Address_Mib_Type, MAC_ADDR_MIB_MAC_ADDR_POS,
+ atmel_set_mib(priv, Mac_Address_Mib_Type, MAC_ADDR_MIB_MAC_ADDR_POS,
priv->dev->dev_addr, 6);
atmel_set_mib8(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_PS_MODE_POS, ACTIVE_MODE);
atmel_set_mib16(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_LISTEN_INTERVAL_POS, 1);
@@ -3766,42 +3788,44 @@
build_wpa_mib(priv);
else
build_wep_mib(priv);
-
+
return 1;
}
-static void atmel_send_command(struct atmel_private *priv, int command, void *cmd, int cmd_size)
+static void atmel_send_command(struct atmel_private *priv, int command,
+ void *cmd, int cmd_size)
{
if (cmd)
- atmel_copy_to_card(priv->dev, atmel_co(priv, CMD_BLOCK_PARAMETERS_OFFSET),
+ atmel_copy_to_card(priv->dev, atmel_co(priv, CMD_BLOCK_PARAMETERS_OFFSET),
cmd, cmd_size);
-
+
atmel_wmem8(priv, atmel_co(priv, CMD_BLOCK_COMMAND_OFFSET), command);
atmel_wmem8(priv, atmel_co(priv, CMD_BLOCK_STATUS_OFFSET), 0);
}
-
-static int atmel_send_command_wait(struct atmel_private *priv, int command, void *cmd, int cmd_size)
+
+static int atmel_send_command_wait(struct atmel_private *priv, int command,
+ void *cmd, int cmd_size)
{
int i, status;
-
+
atmel_send_command(priv, command, cmd, cmd_size);
-
+
for (i = 5000; i; i--) {
status = atmel_rmem8(priv, atmel_co(priv, CMD_BLOCK_STATUS_OFFSET));
- if (status != CMD_STATUS_IDLE &&
+ if (status != CMD_STATUS_IDLE &&
status != CMD_STATUS_IN_PROGRESS)
break;
udelay(20);
}
-
+
if (i == 0) {
printk(KERN_ALERT "%s: failed to contact MAC.\n", priv->dev->name);
status = CMD_STATUS_HOST_ERROR;
- } else {
+ } else {
if (command != CMD_EnableRadio)
status = CMD_STATUS_COMPLETE;
}
-
+
return status;
}
@@ -3827,7 +3851,8 @@
atmel_send_command_wait(priv, CMD_Set_MIB_Vars, &m, MIB_HEADER_SIZE + 1);
}
-static void atmel_set_mib16(struct atmel_private *priv, u8 type, u8 index, u16 data)
+static void atmel_set_mib16(struct atmel_private *priv, u8 type, u8 index,
+ u16 data)
{
struct get_set_mib m;
m.type = type;
@@ -3839,7 +3864,8 @@
atmel_send_command_wait(priv, CMD_Set_MIB_Vars, &m, MIB_HEADER_SIZE + 2);
}
-static void atmel_set_mib(struct atmel_private *priv, u8 type, u8 index, u8 *data, int data_len)
+static void atmel_set_mib(struct atmel_private *priv, u8 type, u8 index,
+ u8 *data, int data_len)
{
struct get_set_mib m;
m.type = type;
@@ -3848,23 +3874,24 @@
if (data_len > MIB_MAX_DATA_BYTES)
printk(KERN_ALERT "%s: MIB buffer too small.\n", priv->dev->name);
-
+
memcpy(m.data, data, data_len);
atmel_send_command_wait(priv, CMD_Set_MIB_Vars, &m, MIB_HEADER_SIZE + data_len);
}
-static void atmel_get_mib(struct atmel_private *priv, u8 type, u8 index, u8 *data, int data_len)
+static void atmel_get_mib(struct atmel_private *priv, u8 type, u8 index,
+ u8 *data, int data_len)
{
struct get_set_mib m;
m.type = type;
m.size = data_len;
m.index = index;
-
+
if (data_len > MIB_MAX_DATA_BYTES)
printk(KERN_ALERT "%s: MIB buffer too small.\n", priv->dev->name);
-
+
atmel_send_command_wait(priv, CMD_Get_MIB_Vars, &m, MIB_HEADER_SIZE + data_len);
- atmel_copy_to_host(priv->dev, data,
+ atmel_copy_to_host(priv->dev, data,
atmel_co(priv, CMD_BLOCK_PARAMETERS_OFFSET + MIB_HEADER_SIZE), data_len);
}
@@ -3873,11 +3900,12 @@
int i;
outw(data, dev->base_addr + AR);
/* Address register appears to need some convincing..... */
- for (i = 0; data != inw(dev->base_addr + AR) && i<10; i++)
+ for (i = 0; data != inw(dev->base_addr + AR) && i < 10; i++)
outw(data, dev->base_addr + AR);
}
-static void atmel_copy_to_card(struct net_device *dev, u16 dest, unsigned char *src, u16 len)
+static void atmel_copy_to_card(struct net_device *dev, u16 dest,
+ unsigned char *src, u16 len)
{
int i;
atmel_writeAR(dev, dest);
@@ -3894,7 +3922,8 @@
atmel_write8(dev, DR, *src);
}
-static void atmel_copy_to_host(struct net_device *dev, unsigned char *dest, u16 src, u16 len)
+static void atmel_copy_to_host(struct net_device *dev, unsigned char *dest,
+ u16 src, u16 len)
{
int i;
atmel_writeAR(dev, src);
@@ -3930,22 +3959,24 @@
break;
udelay(20);
}
-
- if (!i) return 0; /* timed out */
-
+
+ if (!i)
+ return 0; /* timed out */
+
atmel_wmem8(priv, atmel_hi(priv, IFACE_LOCKOUT_MAC_OFFSET), 1);
if (atmel_rmem8(priv, atmel_hi(priv, IFACE_LOCKOUT_HOST_OFFSET))) {
atmel_wmem8(priv, atmel_hi(priv, IFACE_LOCKOUT_MAC_OFFSET), 0);
- if (!j--) return 0; /* timed out */
+ if (!j--)
+ return 0; /* timed out */
goto retry;
}
-
+
return 1;
}
static void atmel_wmem32(struct atmel_private *priv, u16 pos, u32 data)
{
- atmel_writeAR(priv->dev, pos);
+ atmel_writeAR(priv->dev, pos);
atmel_write16(priv->dev, DR, data); /* card is little-endian */
atmel_write16(priv->dev, DR, data >> 16);
}
@@ -4017,9 +4048,9 @@
serial output, since SO is normally high. But it
does cause 8 clock cycles and thus 8 bits to be
clocked in to the chip. See Atmel's SPI
- controller (e.g. AT91M55800) timing and 4K
+ controller (e.g. AT91M55800) timing and 4K
SPI EEPROM manuals */
-
+
.set NVRAM_SCRATCH, 0x02000100 /* arbitrary area for scratchpad memory */
.set NVRAM_IMAGE, 0x02000200
.set NVRAM_LENGTH, 0x0200
@@ -4032,24 +4063,24 @@
.set MR4, 0xC
RESET_VECTOR:
b RESET_HANDLER
-UNDEF_VECTOR:
+UNDEF_VECTOR:
b HALT1
-SWI_VECTOR:
+SWI_VECTOR:
b HALT1
-IABORT_VECTOR:
+IABORT_VECTOR:
b HALT1
-DABORT_VECTOR:
-RESERVED_VECTOR:
+DABORT_VECTOR:
+RESERVED_VECTOR:
b HALT1
-IRQ_VECTOR:
+IRQ_VECTOR:
b HALT1
-FIQ_VECTOR:
+FIQ_VECTOR:
b HALT1
HALT1: b HALT1
RESET_HANDLER:
mov r0, #CPSR_INITIAL
msr CPSR_c, r0 /* This is probably unnecessary */
-
+
/* I'm guessing this is initializing clock generator electronics for SPI */
ldr r0, =SPI_CGEN_BASE
mov r1, #0
@@ -4061,7 +4092,7 @@
str r1, [r0, #28]
mov r1, #1
str r1, [r0, #8]
-
+
ldr r0, =MRBASE
mov r1, #0
strh r1, [r0, #MR1]
@@ -4094,7 +4125,7 @@
ldmia sp!, {lr}
bx lr
.endfunc
-
+
.func Get_MAC_Addr, GET_MAC_ADDR
GET_MAC_ADDR:
stmdb sp!, {lr}
@@ -4110,13 +4141,13 @@
.func Delay9, DELAY9
DELAY9:
adds r0, r0, r0, LSL #3 /* r0 = r0 * 9 */
-DELAYLOOP:
+DELAYLOOP:
beq DELAY9_done
subs r0, r0, #1
b DELAYLOOP
-DELAY9_done:
+DELAY9_done:
bx lr
-.endfunc
+.endfunc
.func SP_Init, SP_INIT
SP_INIT:
@@ -4145,26 +4176,26 @@
ldr r0, [r0, #SP_RDR]
bx lr
.endfunc
-.func NVRAM_Init, NVRAM_INIT
+.func NVRAM_Init, NVRAM_INIT
NVRAM_INIT:
ldr r1, =SP_BASE
ldr r0, [r1, #SP_RDR]
mov r0, #NVRAM_CMD_RDSR
str r0, [r1, #SP_TDR]
-SP_loop1:
+SP_loop1:
ldr r0, [r1, #SP_SR]
tst r0, #SP_TDRE
beq SP_loop1
mov r0, #SPI_8CLOCKS
- str r0, [r1, #SP_TDR]
-SP_loop2:
+ str r0, [r1, #SP_TDR]
+SP_loop2:
ldr r0, [r1, #SP_SR]
tst r0, #SP_TDRE
beq SP_loop2
ldr r0, [r1, #SP_RDR]
-SP_loop3:
+SP_loop3:
ldr r0, [r1, #SP_SR]
tst r0, #SP_RDRF
beq SP_loop3
@@ -4173,7 +4204,7 @@
and r0, r0, #255
bx lr
.endfunc
-
+
.func NVRAM_Xfer, NVRAM_XFER
/* r0 = dest address */
/* r1 = not used */
@@ -4185,11 +4216,11 @@
mov r4, r3 /* save r3 (length) */
mov r0, r2, LSR #5 /* SPI memories put A8 in the command field */
and r0, r0, #8
- add r0, r0, #NVRAM_CMD_READ
+ add r0, r0, #NVRAM_CMD_READ
ldr r1, =NVRAM_SCRATCH
strb r0, [r1, #0] /* save command in NVRAM_SCRATCH[0] */
strb r2, [r1, #1] /* save low byte of source address in NVRAM_SCRATCH[1] */
-_local1:
+_local1:
bl NVRAM_INIT
tst r0, #NVRAM_SR_RDY
bne _local1
@@ -4211,7 +4242,7 @@
cmp r0, #0
bls _local2
ldr r5, =NVRAM_SCRATCH
-_local4:
+_local4:
ldrb r6, [r5, r3]
str r6, [r4, #SP_TDR]
_local3:
@@ -4225,7 +4256,7 @@
mov r3, #SPI_8CLOCKS
str r3, [r4, #SP_TDR]
ldr r0, [r4, #SP_RDR]
-_local5:
+_local5:
ldr r0, [r4, #SP_SR]
tst r0, #SP_RDRF
beq _local5
@@ -4233,12 +4264,12 @@
mov r0, #0
cmp r2, #0 /* r2 is # of bytes to copy in */
bls _local6
-_local7:
+_local7:
ldr r5, [r4, #SP_SR]
tst r5, #SP_TDRE
beq _local7
str r3, [r4, #SP_TDR] /* r3 has SPI_8CLOCKS */
-_local8:
+_local8:
ldr r5, [r4, #SP_SR]
tst r5, #SP_RDRF
beq _local8