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[wireless ieee80211,ipw2200] Lindent source code 

No code changes, just Lindent + manual fixups.

This prepares us for updating to the latest Intel driver code, plus
gives the source code a nice facelift.
This commit is contained in:
Jeff Garzik 2005-09-07 00:48:31 -04:00
parent bbeec90b98
commit 0edd5b4491
10 changed files with 1658 additions and 1759 deletions
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2294
drivers/net/wireless/ipw2200.c
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File diff suppressed because it is too large Load Diff

404
drivers/net/wireless/ipw2200.h
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@ -56,8 +56,7 @@
#include <linux/workqueue.h>
/* Authentication and Association States */
enum connection_manager_assoc_states
{
enum connection_manager_assoc_states {
CMAS_INIT = 0,
CMAS_TX_AUTH_SEQ_1,
CMAS_RX_AUTH_SEQ_2,
@ -74,7 +73,6 @@ enum connection_manager_assoc_states
CMAS_LAST
};
#define IPW_WAIT (1<<0)
#define IPW_QUIET (1<<1)
#define IPW_ROAMING (1<<2)
@ -190,7 +188,6 @@ enum connection_manager_assoc_states
#define DCT_FLAG_EXT_MODE_CCK 0x01
#define DCT_FLAG_EXT_MODE_OFDM 0x00
#define TX_RX_TYPE_MASK 0xFF
#define TX_FRAME_TYPE 0x00
#define TX_HOST_COMMAND_TYPE 0x01
@ -242,107 +239,97 @@ enum connection_manager_assoc_states
* Contains common data for Rx and Tx queues
*/
struct clx2_queue {
int n_bd; /**< number of BDs in this queue */
int first_empty; /**< 1-st empty entry (index) */
int last_used; /**< last used entry (index) */
u32 reg_w; /**< 'write' reg (queue head), addr in domain 1 */
u32 reg_r; /**< 'read' reg (queue tail), addr in domain 1 */
dma_addr_t dma_addr; /**< physical addr for BD's */
int low_mark; /**< low watermark, resume queue if free space more than this */
int high_mark; /**< high watermark, stop queue if free space less than this */
int n_bd; /**< number of BDs in this queue */
int first_empty; /**< 1-st empty entry (index) */
int last_used; /**< last used entry (index) */
u32 reg_w; /**< 'write' reg (queue head), addr in domain 1 */
u32 reg_r; /**< 'read' reg (queue tail), addr in domain 1 */
dma_addr_t dma_addr; /**< physical addr for BD's */
int low_mark; /**< low watermark, resume queue if free space more than this */
int high_mark; /**< high watermark, stop queue if free space less than this */
} __attribute__ ((packed));
struct machdr32
{
struct machdr32 {
u16 frame_ctl;
u16 duration; // watch out for endians!
u8 addr1[ MACADRR_BYTE_LEN ];
u8 addr2[ MACADRR_BYTE_LEN ];
u8 addr3[ MACADRR_BYTE_LEN ];
u16 seq_ctrl; // more endians!
u8 addr4[ MACADRR_BYTE_LEN ];
u16 duration; // watch out for endians!
u8 addr1[MACADRR_BYTE_LEN];
u8 addr2[MACADRR_BYTE_LEN];
u8 addr3[MACADRR_BYTE_LEN];
u16 seq_ctrl; // more endians!
u8 addr4[MACADRR_BYTE_LEN];
u16 qos_ctrl;
} __attribute__ ((packed)) ;
} __attribute__ ((packed));
struct machdr30
{
struct machdr30 {
u16 frame_ctl;
u16 duration; // watch out for endians!
u8 addr1[ MACADRR_BYTE_LEN ];
u8 addr2[ MACADRR_BYTE_LEN ];
u8 addr3[ MACADRR_BYTE_LEN ];
u16 seq_ctrl; // more endians!
u8 addr4[ MACADRR_BYTE_LEN ];
} __attribute__ ((packed)) ;
u16 duration; // watch out for endians!
u8 addr1[MACADRR_BYTE_LEN];
u8 addr2[MACADRR_BYTE_LEN];
u8 addr3[MACADRR_BYTE_LEN];
u16 seq_ctrl; // more endians!
u8 addr4[MACADRR_BYTE_LEN];
} __attribute__ ((packed));
struct machdr26
{
struct machdr26 {
u16 frame_ctl;
u16 duration; // watch out for endians!
u8 addr1[ MACADRR_BYTE_LEN ];
u8 addr2[ MACADRR_BYTE_LEN ];
u8 addr3[ MACADRR_BYTE_LEN ];
u16 seq_ctrl; // more endians!
u16 duration; // watch out for endians!
u8 addr1[MACADRR_BYTE_LEN];
u8 addr2[MACADRR_BYTE_LEN];
u8 addr3[MACADRR_BYTE_LEN];
u16 seq_ctrl; // more endians!
u16 qos_ctrl;
} __attribute__ ((packed)) ;
} __attribute__ ((packed));
struct machdr24
{
struct machdr24 {
u16 frame_ctl;
u16 duration; // watch out for endians!
u8 addr1[ MACADRR_BYTE_LEN ];
u8 addr2[ MACADRR_BYTE_LEN ];
u8 addr3[ MACADRR_BYTE_LEN ];
u16 seq_ctrl; // more endians!
} __attribute__ ((packed)) ;
u16 duration; // watch out for endians!
u8 addr1[MACADRR_BYTE_LEN];
u8 addr2[MACADRR_BYTE_LEN];
u8 addr3[MACADRR_BYTE_LEN];
u16 seq_ctrl; // more endians!
} __attribute__ ((packed));
// TX TFD with 32 byte MAC Header
struct tx_tfd_32
{
struct machdr32 mchdr; // 32
u32 uivplaceholder[2]; // 8
} __attribute__ ((packed)) ;
struct tx_tfd_32 {
struct machdr32 mchdr; // 32
u32 uivplaceholder[2]; // 8
} __attribute__ ((packed));
// TX TFD with 30 byte MAC Header
struct tx_tfd_30
{
struct machdr30 mchdr; // 30
u8 reserved[2]; // 2
u32 uivplaceholder[2]; // 8
} __attribute__ ((packed)) ;
struct tx_tfd_30 {
struct machdr30 mchdr; // 30
u8 reserved[2]; // 2
u32 uivplaceholder[2]; // 8
} __attribute__ ((packed));
// tx tfd with 26 byte mac header
struct tx_tfd_26
{
struct machdr26 mchdr; // 26
u8 reserved1[2]; // 2
u32 uivplaceholder[2]; // 8
u8 reserved2[4]; // 4
} __attribute__ ((packed)) ;
struct tx_tfd_26 {
struct machdr26 mchdr; // 26
u8 reserved1[2]; // 2
u32 uivplaceholder[2]; // 8
u8 reserved2[4]; // 4
} __attribute__ ((packed));
// tx tfd with 24 byte mac header
struct tx_tfd_24
{
struct machdr24 mchdr; // 24
u32 uivplaceholder[2]; // 8
u8 reserved[8]; // 8
} __attribute__ ((packed)) ;
struct tx_tfd_24 {
struct machdr24 mchdr; // 24
u32 uivplaceholder[2]; // 8
u8 reserved[8]; // 8
} __attribute__ ((packed));
#define DCT_WEP_KEY_FIELD_LENGTH 16
struct tfd_command
{
struct tfd_command {
u8 index;
u8 length;
u16 reserved;
u8 payload[0];
} __attribute__ ((packed)) ;
} __attribute__ ((packed));
struct tfd_data {
/* Header */
u32 work_area_ptr;
u8 station_number; /* 0 for BSS */
u8 station_number; /* 0 for BSS */
u8 reserved1;
u16 reserved2;
@ -359,14 +346,13 @@ struct tfd_data {
u8 antenna;
u16 next_packet_duration;
u16 next_frag_len;
u16 back_off_counter; //////txop;
u16 back_off_counter; //////txop;
u8 retrylimit;
u16 cwcurrent;
u8 reserved3;
/* 802.11 MAC Header */
union
{
union {
struct tx_tfd_24 tfd_24;
struct tx_tfd_26 tfd_26;
struct tx_tfd_30 tfd_30;
@ -379,8 +365,7 @@ struct tfd_data {
u16 chunk_len[NUM_TFD_CHUNKS];
} __attribute__ ((packed));
struct txrx_control_flags
{
struct txrx_control_flags {
u8 message_type;
u8 rx_seq_num;
u8 control_bits;
@ -390,17 +375,16 @@ struct txrx_control_flags
#define TFD_SIZE 128
#define TFD_CMD_IMMEDIATE_PAYLOAD_LENGTH (TFD_SIZE - sizeof(struct txrx_control_flags))
struct tfd_frame
{
struct tfd_frame {
struct txrx_control_flags control_flags;
union {
struct tfd_data data;
struct tfd_command cmd;
u8 raw[TFD_CMD_IMMEDIATE_PAYLOAD_LENGTH];
} u;
} __attribute__ ((packed)) ;
} __attribute__ ((packed));
typedef void destructor_func(const void*);
typedef void destructor_func(const void *);
/**
* Tx Queue for DMA. Queue consists of circular buffer of
@ -408,7 +392,7 @@ typedef void destructor_func(const void*);
*/
struct clx2_tx_queue {
struct clx2_queue q;
struct tfd_frame* bd;
struct tfd_frame *bd;
struct ieee80211_txb **txb;
};
@ -423,8 +407,7 @@ struct clx2_tx_queue {
#define SUP_RATE_11G_MAX_NUM_CHANNELS (12)
// Used for passing to driver number of successes and failures per rate
struct rate_histogram
{
struct rate_histogram {
union {
u32 a[SUP_RATE_11A_MAX_NUM_CHANNELS];
u32 b[SUP_RATE_11B_MAX_NUM_CHANNELS];
@ -475,12 +458,12 @@ struct notif_scan_complete {
u8 num_channels;
u8 status;
u8 reserved;
} __attribute__ ((packed));
} __attribute__ ((packed));
struct notif_frag_length {
u16 frag_length;
u16 reserved;
} __attribute__ ((packed));
} __attribute__ ((packed));
struct notif_beacon_state {
u32 state;
@ -543,11 +526,11 @@ struct ipw_rx_notification {
struct ipw_rx_frame {
u32 reserved1;
u8 parent_tsf[4]; // fw_use[0] is boolean for OUR_TSF_IS_GREATER
u8 received_channel; // The channel that this frame was received on.
// Note that for .11b this does not have to be
// the same as the channel that it was sent.
// Filled by LMAC
u8 parent_tsf[4]; // fw_use[0] is boolean for OUR_TSF_IS_GREATER
u8 received_channel; // The channel that this frame was received on.
// Note that for .11b this does not have to be
// the same as the channel that it was sent.
// Filled by LMAC
u8 frameStatus;
u8 rate;
u8 rssi;
@ -556,10 +539,10 @@ struct ipw_rx_frame {
u16 signal;
u16 noise;
u8 antennaAndPhy;
u8 control; // control bit should be on in bg
u8 rtscts_rate; // rate of rts or cts (in rts cts sequence rate
// is identical)
u8 rtscts_seen; // 0x1 RTS seen ; 0x2 CTS seen
u8 control; // control bit should be on in bg
u8 rtscts_rate; // rate of rts or cts (in rts cts sequence rate
// is identical)
u8 rtscts_seen; // 0x1 RTS seen ; 0x2 CTS seen
u16 length;
u8 data[0];
} __attribute__ ((packed));
@ -571,8 +554,7 @@ struct ipw_rx_header {
u8 reserved;
} __attribute__ ((packed));
struct ipw_rx_packet
{
struct ipw_rx_packet {
struct ipw_rx_header header;
union {
struct ipw_rx_frame frame;
@ -589,21 +571,20 @@ struct ipw_rx_mem_buffer {
struct ipw_rx_buffer *rxb;
struct sk_buff *skb;
struct list_head list;
}; /* Not transferred over network, so not __attribute__ ((packed)) */
}; /* Not transferred over network, so not __attribute__ ((packed)) */
struct ipw_rx_queue {
struct ipw_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
struct ipw_rx_mem_buffer *queue[RX_QUEUE_SIZE];
u32 processed; /* Internal index to last handled Rx packet */
u32 read; /* Shared index to newest available Rx buffer */
u32 write; /* Shared index to oldest written Rx packet */
u32 free_count;/* Number of pre-allocated buffers in rx_free */
u32 processed; /* Internal index to last handled Rx packet */
u32 read; /* Shared index to newest available Rx buffer */
u32 write; /* Shared index to oldest written Rx packet */
u32 free_count; /* Number of pre-allocated buffers in rx_free */
/* Each of these lists is used as a FIFO for ipw_rx_mem_buffers */
struct list_head rx_free; /* Own an SKBs */
struct list_head rx_used; /* No SKB allocated */
struct list_head rx_free; /* Own an SKBs */
struct list_head rx_used; /* No SKB allocated */
spinlock_t lock;
}; /* Not transferred over network, so not __attribute__ ((packed)) */
}; /* Not transferred over network, so not __attribute__ ((packed)) */
struct alive_command_responce {
u8 alive_command;
@ -627,8 +608,7 @@ struct ipw_rates {
u8 rates[IPW_MAX_RATES];
} __attribute__ ((packed));
struct command_block
{
struct command_block {
unsigned int control;
u32 source_addr;
u32 dest_addr;
@ -636,18 +616,16 @@ struct command_block
} __attribute__ ((packed));
#define CB_NUMBER_OF_ELEMENTS_SMALL 64
struct fw_image_desc
{
struct fw_image_desc {
unsigned long last_cb_index;
unsigned long current_cb_index;
struct command_block cb_list[CB_NUMBER_OF_ELEMENTS_SMALL];
void * v_addr;
void *v_addr;
unsigned long p_addr;
unsigned long len;
};
struct ipw_sys_config
{
struct ipw_sys_config {
u8 bt_coexistence;
u8 reserved1;
u8 answer_broadcast_ssid_probe;
@ -670,8 +648,7 @@ struct ipw_sys_config
u8 reserved3;
} __attribute__ ((packed));
struct ipw_multicast_addr
{
struct ipw_multicast_addr {
u8 num_of_multicast_addresses;
u8 reserved[3];
u8 mac1[6];
@ -680,8 +657,7 @@ struct ipw_multicast_addr
u8 mac4[6];
} __attribute__ ((packed));
struct ipw_wep_key
{
struct ipw_wep_key {
u8 cmd_id;
u8 seq_num;
u8 key_index;
@ -689,8 +665,7 @@ struct ipw_wep_key
u8 key[16];
} __attribute__ ((packed));
struct ipw_tgi_tx_key
{
struct ipw_tgi_tx_key {
u8 key_id;
u8 security_type;
u8 station_index;
@ -701,8 +676,7 @@ struct ipw_tgi_tx_key
#define IPW_SCAN_CHANNELS 54
struct ipw_scan_request
{
struct ipw_scan_request {
u8 scan_type;
u16 dwell_time;
u8 channels_list[IPW_SCAN_CHANNELS];
@ -718,8 +692,7 @@ enum {
IPW_SCAN_TYPES
};
struct ipw_scan_request_ext
{
struct ipw_scan_request_ext {
u32 full_scan_index;
u8 channels_list[IPW_SCAN_CHANNELS];
u8 scan_type[IPW_SCAN_CHANNELS / 2];
@ -740,19 +713,16 @@ extern inline void ipw_set_scan_type(struct ipw_scan_request_ext *scan,
{
if (index % 2)
scan->scan_type[index / 2] =
(scan->scan_type[index / 2] & 0xF0) |
(scan_type & 0x0F);
(scan->scan_type[index / 2] & 0xF0) | (scan_type & 0x0F);
else
scan->scan_type[index / 2] =
(scan->scan_type[index / 2] & 0x0F) |
((scan_type & 0x0F) << 4);
(scan->scan_type[index / 2] & 0x0F) |
((scan_type & 0x0F) << 4);
}
struct ipw_associate
{
struct ipw_associate {
u8 channel;
u8 auth_type:4,
auth_key:4;
u8 auth_type:4, auth_key:4;
u8 assoc_type;
u8 reserved;
u16 policy_support;
@ -771,8 +741,7 @@ struct ipw_associate
u16 reserved2;
} __attribute__ ((packed));
struct ipw_supported_rates
{
struct ipw_supported_rates {
u8 ieee_mode;
u8 num_rates;
u8 purpose;
@ -780,42 +749,36 @@ struct ipw_supported_rates
u8 supported_rates[IPW_MAX_RATES];
} __attribute__ ((packed));
struct ipw_rts_threshold
{
struct ipw_rts_threshold {
u16 rts_threshold;
u16 reserved;
} __attribute__ ((packed));
struct ipw_frag_threshold
{
struct ipw_frag_threshold {
u16 frag_threshold;
u16 reserved;
} __attribute__ ((packed));
struct ipw_retry_limit
{
struct ipw_retry_limit {
u8 short_retry_limit;
u8 long_retry_limit;
u16 reserved;
} __attribute__ ((packed));
struct ipw_dino_config
{
struct ipw_dino_config {
u32 dino_config_addr;
u16 dino_config_size;
u8 dino_response;
u8 reserved;
} __attribute__ ((packed));
struct ipw_aironet_info
{
struct ipw_aironet_info {
u8 id;
u8 length;
u16 reserved;
} __attribute__ ((packed));
struct ipw_rx_key
{
struct ipw_rx_key {
u8 station_index;
u8 key_type;
u8 key_id;
@ -826,23 +789,20 @@ struct ipw_rx_key
u8 reserved;
} __attribute__ ((packed));
struct ipw_country_channel_info
{
struct ipw_country_channel_info {
u8 first_channel;
u8 no_channels;
s8 max_tx_power;
} __attribute__ ((packed));
struct ipw_country_info
{
struct ipw_country_info {
u8 id;
u8 length;
u8 country_str[3];
struct ipw_country_channel_info groups[7];
} __attribute__ ((packed));
struct ipw_channel_tx_power
{
struct ipw_channel_tx_power {
u8 channel_number;
s8 tx_power;
} __attribute__ ((packed));
@ -852,15 +812,13 @@ struct ipw_channel_tx_power
#define MAX_A_CHANNELS 37
#define MAX_B_CHANNELS 14
struct ipw_tx_power
{
struct ipw_tx_power {
u8 num_channels;
u8 ieee_mode;
struct ipw_channel_tx_power channels_tx_power[MAX_A_CHANNELS];
} __attribute__ ((packed));
struct ipw_qos_parameters
{
struct ipw_qos_parameters {
u16 cw_min[4];
u16 cw_max[4];
u8 aifs[4];
@ -868,15 +826,13 @@ struct ipw_qos_parameters
u16 tx_op_limit[4];
} __attribute__ ((packed));
struct ipw_rsn_capabilities
{
struct ipw_rsn_capabilities {
u8 id;
u8 length;
u16 version;
} __attribute__ ((packed));
struct ipw_sensitivity_calib
{
struct ipw_sensitivity_calib {
u16 beacon_rssi_raw;
u16 reserved;
} __attribute__ ((packed));
@ -895,10 +851,11 @@ struct ipw_sensitivity_calib
* - \a param filled with status parameters.
*/
struct ipw_cmd {
u32 cmd; /**< Host command */
u32 status; /**< Status */
u32 status_len; /**< How many 32 bit parameters in the status */
u32 len; /**< incoming parameters length, bytes */
u32 cmd; /**< Host command */
u32 status;/**< Status */
u32 status_len;
/**< How many 32 bit parameters in the status */
u32 len; /**< incoming parameters length, bytes */
/**
* command parameters.
* There should be enough space for incoming and
@ -906,10 +863,10 @@ struct ipw_cmd {
* Incoming parameters listed 1-st, followed by outcoming params.
* nParams=(len+3)/4+status_len
*/
u32 param[0];
u32 param[0];
} __attribute__ ((packed));
#define STATUS_HCMD_ACTIVE (1<<0) /**< host command in progress */
#define STATUS_HCMD_ACTIVE (1<<0) /**< host command in progress */
#define STATUS_INT_ENABLED (1<<1)
#define STATUS_RF_KILL_HW (1<<2)
@ -932,15 +889,15 @@ struct ipw_cmd {
#define STATUS_SCANNING (1<<21)
#define STATUS_SCAN_ABORTING (1<<22)
#define STATUS_INDIRECT_BYTE (1<<28) /* sysfs entry configured for access */
#define STATUS_INDIRECT_DWORD (1<<29) /* sysfs entry configured for access */
#define STATUS_DIRECT_DWORD (1<<30) /* sysfs entry configured for access */
#define STATUS_INDIRECT_BYTE (1<<28) /* sysfs entry configured for access */
#define STATUS_INDIRECT_DWORD (1<<29) /* sysfs entry configured for access */
#define STATUS_DIRECT_DWORD (1<<30) /* sysfs entry configured for access */
#define STATUS_SECURITY_UPDATED (1<<31) /* Security sync needed */
#define STATUS_SECURITY_UPDATED (1<<31) /* Security sync needed */
#define CFG_STATIC_CHANNEL (1<<0) /* Restrict assoc. to single channel */
#define CFG_STATIC_ESSID (1<<1) /* Restrict assoc. to single SSID */
#define CFG_STATIC_BSSID (1<<2) /* Restrict assoc. to single BSSID */
#define CFG_STATIC_CHANNEL (1<<0) /* Restrict assoc. to single channel */
#define CFG_STATIC_ESSID (1<<1) /* Restrict assoc. to single SSID */
#define CFG_STATIC_BSSID (1<<2) /* Restrict assoc. to single BSSID */
#define CFG_CUSTOM_MAC (1<<3)
#define CFG_PREAMBLE (1<<4)
#define CFG_ADHOC_PERSIST (1<<5)
@ -948,8 +905,8 @@ struct ipw_cmd {
#define CFG_FIXED_RATE (1<<7)
#define CFG_ADHOC_CREATE (1<<8)
#define CAP_SHARED_KEY (1<<0) /* Off = OPEN */
#define CAP_PRIVACY_ON (1<<1) /* Off = No privacy */
#define CAP_SHARED_KEY (1<<0) /* Off = OPEN */
#define CAP_PRIVACY_ON (1<<1) /* Off = No privacy */
#define MAX_STATIONS 32
#define IPW_INVALID_STATION (0xff)
@ -989,8 +946,8 @@ struct ipw_priv {
/* result of ucode download */
struct alive_command_responce dino_alive;
wait_queue_head_t wait_command_queue;
wait_queue_head_t wait_state;
wait_queue_head_t wait_command_queue;
wait_queue_head_t wait_state;
/* Rx and Tx DMA processing queues */
struct ipw_rx_queue *rxq;
@ -1006,9 +963,9 @@ struct ipw_priv {
struct average average_rssi;
struct average average_noise;
u32 port_type;
int rx_bufs_min; /**< minimum number of bufs in Rx queue */
int rx_pend_max; /**< maximum pending buffers for one IRQ */
u32 hcmd_seq; /**< sequence number for hcmd */
int rx_bufs_min; /**< minimum number of bufs in Rx queue */
int rx_pend_max; /**< maximum pending buffers for one IRQ */
u32 hcmd_seq; /**< sequence number for hcmd */
u32 missed_beacon_threshold;
u32 roaming_threshold;
@ -1017,17 +974,17 @@ struct ipw_priv {
unsigned long ts_scan_abort;
struct ipw_supported_rates rates;
struct ipw_rates phy[3]; /**< PHY restrictions, per band */
struct ipw_rates supp; /**< software defined */
struct ipw_rates extended; /**< use for corresp. IE, AP only */
struct ipw_rates phy[3]; /**< PHY restrictions, per band */
struct ipw_rates supp; /**< software defined */
struct ipw_rates extended; /**< use for corresp. IE, AP only */
struct notif_link_deterioration last_link_deterioration; /** for statistics */
struct ipw_cmd* hcmd; /**< host command currently executed */
struct ipw_cmd *hcmd; /**< host command currently executed */
wait_queue_head_t hcmd_wq; /**< host command waits for execution */
u32 tsf_bcn[2]; /**< TSF from latest beacon */
u32 tsf_bcn[2]; /**< TSF from latest beacon */
struct notif_calibration calib; /**< last calibration */
struct notif_calibration calib; /**< last calibration */
/* ordinal interface with firmware */
u32 table0_addr;
@ -1067,8 +1024,8 @@ struct ipw_priv {
u32 tx_packets;
u32 quality;
/* eeprom */
u8 eeprom[0x100]; /* 256 bytes of eeprom */
/* eeprom */
u8 eeprom[0x100]; /* 256 bytes of eeprom */
int eeprom_delay;
struct iw_statistics wstats;
@ -1091,7 +1048,6 @@ struct ipw_priv {
struct tasklet_struct irq_tasklet;
#define IPW_2200BG 1
#define IPW_2915ABG 2
u8 adapter;
@ -1114,7 +1070,6 @@ struct ipw_priv {
u32 indirect_byte;
}; /*ipw_priv */
/* debug macros */
#ifdef CONFIG_IPW_DEBUG
@ -1170,7 +1125,6 @@ do { if (ipw_debug_level & (level)) \
#define IPW_DL_RF_KILL (1<<17)
#define IPW_DL_FW_ERRORS (1<<18)
#define IPW_DL_ORD (1<<20)
#define IPW_DL_FRAG (1<<21)
@ -1184,7 +1138,6 @@ do { if (ipw_debug_level & (level)) \
#define IPW_DL_STATS (1<<29)
#define IPW_ERROR(f, a...) printk(KERN_ERR DRV_NAME ": " f, ## a)
#define IPW_WARNING(f, a...) printk(KERN_WARNING DRV_NAME ": " f, ## a)
#define IPW_DEBUG_INFO(f, a...) IPW_DEBUG(IPW_DL_INFO, f, ## a)
@ -1253,12 +1206,12 @@ do { if (ipw_debug_level & (level)) \
/*
* RESET Register Bit Indexes
*/
#define CBD_RESET_REG_PRINCETON_RESET 0x00000001 /* Bit 0 (LSB) */
#define CX2_RESET_REG_SW_RESET 0x00000080 /* Bit 7 */
#define CX2_RESET_REG_MASTER_DISABLED 0x00000100 /* Bit 8 */
#define CX2_RESET_REG_STOP_MASTER 0x00000200 /* Bit 9 */
#define CX2_ARC_KESHET_CONFIG 0x08000000 /* Bit 27 */
#define CX2_START_STANDBY 0x00000004 /* Bit 2 */
#define CBD_RESET_REG_PRINCETON_RESET 0x00000001 /* Bit 0 (LSB) */
#define CX2_RESET_REG_SW_RESET 0x00000080 /* Bit 7 */
#define CX2_RESET_REG_MASTER_DISABLED 0x00000100 /* Bit 8 */
#define CX2_RESET_REG_STOP_MASTER 0x00000200 /* Bit 9 */
#define CX2_ARC_KESHET_CONFIG 0x08000000 /* Bit 27 */
#define CX2_START_STANDBY 0x00000004 /* Bit 2 */
#define CX2_CSR_CIS_UPPER_BOUND 0x00000200
#define CX2_DOMAIN_0_END 0x1000
@ -1289,14 +1242,12 @@ do { if (ipw_debug_level & (level)) \
#define CB_SRC_SIZE_LONG 0x00200000
#define CB_DEST_SIZE_LONG 0x00020000
/* DMA DEFINES */
#define DMA_CONTROL_SMALL_CB_CONST_VALUE 0x00540000
#define DMA_CB_STOP_AND_ABORT 0x00000C00
#define DMA_CB_START 0x00000100
#define CX2_SHARED_SRAM_SIZE 0x00030000
#define CX2_SHARED_SRAM_DMA_CONTROL 0x00027000
#define CB_MAX_LENGTH 0x1FFF
@ -1304,7 +1255,6 @@ do { if (ipw_debug_level & (level)) \
#define CX2_HOST_EEPROM_DATA_SRAM_SIZE 0xA18
#define CX2_EEPROM_IMAGE_SIZE 0x100
/* DMA defs */
#define CX2_DMA_I_CURRENT_CB 0x003000D0
#define CX2_DMA_O_CURRENT_CB 0x003000D4
@ -1356,7 +1306,6 @@ do { if (ipw_debug_level & (level)) \
#define IPW_WHO_IS_AWAKE (CX2_SHARED_LOWER_BOUND + 0xB14)
#define IPW_DURING_ATIM_WINDOW (CX2_SHARED_LOWER_BOUND + 0xB18)
#define MSB 1
#define LSB 0
#define WORD_TO_BYTE(_word) ((_word) * sizeof(u16))
@ -1365,16 +1314,16 @@ do { if (ipw_debug_level & (level)) \
( WORD_TO_BYTE(_wordoffset) + (_byteoffset) )
/* EEPROM access by BYTE */
#define EEPROM_PME_CAPABILITY (GET_EEPROM_ADDR(0x09,MSB)) /* 1 byte */
#define EEPROM_MAC_ADDRESS (GET_EEPROM_ADDR(0x21,LSB)) /* 6 byte */
#define EEPROM_VERSION (GET_EEPROM_ADDR(0x24,MSB)) /* 1 byte */
#define EEPROM_NIC_TYPE (GET_EEPROM_ADDR(0x25,LSB)) /* 1 byte */
#define EEPROM_SKU_CAPABILITY (GET_EEPROM_ADDR(0x25,MSB)) /* 1 byte */
#define EEPROM_COUNTRY_CODE (GET_EEPROM_ADDR(0x26,LSB)) /* 3 bytes */
#define EEPROM_IBSS_CHANNELS_BG (GET_EEPROM_ADDR(0x28,LSB)) /* 2 bytes */
#define EEPROM_IBSS_CHANNELS_A (GET_EEPROM_ADDR(0x29,MSB)) /* 5 bytes */
#define EEPROM_BSS_CHANNELS_BG (GET_EEPROM_ADDR(0x2c,LSB)) /* 2 bytes */
#define EEPROM_HW_VERSION (GET_EEPROM_ADDR(0x72,LSB)) /* 2 bytes */
#define EEPROM_PME_CAPABILITY (GET_EEPROM_ADDR(0x09,MSB)) /* 1 byte */
#define EEPROM_MAC_ADDRESS (GET_EEPROM_ADDR(0x21,LSB)) /* 6 byte */
#define EEPROM_VERSION (GET_EEPROM_ADDR(0x24,MSB)) /* 1 byte */
#define EEPROM_NIC_TYPE (GET_EEPROM_ADDR(0x25,LSB)) /* 1 byte */
#define EEPROM_SKU_CAPABILITY (GET_EEPROM_ADDR(0x25,MSB)) /* 1 byte */
#define EEPROM_COUNTRY_CODE (GET_EEPROM_ADDR(0x26,LSB)) /* 3 bytes */
#define EEPROM_IBSS_CHANNELS_BG (GET_EEPROM_ADDR(0x28,LSB)) /* 2 bytes */
#define EEPROM_IBSS_CHANNELS_A (GET_EEPROM_ADDR(0x29,MSB)) /* 5 bytes */
#define EEPROM_BSS_CHANNELS_BG (GET_EEPROM_ADDR(0x2c,LSB)) /* 2 bytes */
#define EEPROM_HW_VERSION (GET_EEPROM_ADDR(0x72,LSB)) /* 2 bytes */
/* NIC type as found in the one byte EEPROM_NIC_TYPE offset*/
#define EEPROM_NIC_TYPE_STANDARD 0
@ -1479,7 +1428,6 @@ enum {
#define IPW_RATE_CAPABILITIES 1
#define IPW_RATE_CONNECT 0
/*
* Rate values and masks
*/
@ -1524,12 +1472,6 @@ enum {
IPW_ORD_STAT_TX_DIR_DATA_B_11,
/* Hole */
IPW_ORD_STAT_TX_DIR_DATA_G_1 = IPW_ORD_TABLE_0_MASK + 19,
IPW_ORD_STAT_TX_DIR_DATA_G_2,
IPW_ORD_STAT_TX_DIR_DATA_G_5_5,
@ -1549,12 +1491,6 @@ enum {
IPW_ORD_STAT_TX_NON_DIR_DATA_B_11,
/* Hole */
IPW_ORD_STAT_TX_NON_DIR_DATA_G_1 = IPW_ORD_TABLE_0_MASK + 44,
IPW_ORD_STAT_TX_NON_DIR_DATA_G_2,
IPW_ORD_STAT_TX_NON_DIR_DATA_G_5_5,
@ -1685,7 +1621,7 @@ struct host_cmd {
#define CFG_BT_COEXISTENCE_WME_OVER_BT 0x08
#define CFG_BT_COEXISTENCE_OOB 0x10
#define CFG_BT_COEXISTENCE_MAX 0xFF
#define CFG_BT_COEXISTENCE_DEF 0x80 /* read Bt from EEPROM*/
#define CFG_BT_COEXISTENCE_DEF 0x80 /* read Bt from EEPROM */
#define CFG_CTS_TO_ITSELF_ENABLED_MIN 0x0
#define CFG_CTS_TO_ITSELF_ENABLED_MAX 0x1
@ -1727,11 +1663,11 @@ static inline u32 frame_hdr_len(struct ieee80211_hdr *hdr)
fc = le16_to_cpu(hdr->frame_ctl);
/*
* Function ToDS FromDS
* IBSS 0 0
* To AP 1 0
* From AP 0 1
* WDS (bridge) 1 1
* Function ToDS FromDS
* IBSS 0 0
* To AP 1 0
* From AP 0 1
* WDS (bridge) 1 1
*
* Only WDS frames use Address4 among them. --YZ
*/
@ -1741,4 +1677,4 @@ static inline u32 frame_hdr_len(struct ieee80211_hdr *hdr)
return retval;
}
#endif /* __ipw2200_h__ */
#endif /* __ipw2200_h__ */

27
net/ieee80211/ieee80211_crypt.c
View File

@ -30,7 +30,6 @@ struct ieee80211_crypto_alg {
struct ieee80211_crypto_ops *ops;
};
struct ieee80211_crypto {
struct list_head algs;
spinlock_t lock;
@ -38,8 +37,7 @@ struct ieee80211_crypto {
static struct ieee80211_crypto *hcrypt;
void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee,
int force)
void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee, int force)
{
struct list_head *ptr, *n;
struct ieee80211_crypt_data *entry;
@ -140,7 +138,7 @@ int ieee80211_unregister_crypto_ops(struct ieee80211_crypto_ops *ops)
spin_lock_irqsave(&hcrypt->lock, flags);
for (ptr = hcrypt->algs.next; ptr != &hcrypt->algs; ptr = ptr->next) {
struct ieee80211_crypto_alg *alg =
(struct ieee80211_crypto_alg *) ptr;
(struct ieee80211_crypto_alg *)ptr;
if (alg->ops == ops) {
list_del(&alg->list);
del_alg = alg;
@ -158,8 +156,7 @@ int ieee80211_unregister_crypto_ops(struct ieee80211_crypto_ops *ops)
return del_alg ? 0 : -1;
}
struct ieee80211_crypto_ops * ieee80211_get_crypto_ops(const char *name)
struct ieee80211_crypto_ops *ieee80211_get_crypto_ops(const char *name)
{
unsigned long flags;
struct list_head *ptr;
@ -171,7 +168,7 @@ struct ieee80211_crypto_ops * ieee80211_get_crypto_ops(const char *name)
spin_lock_irqsave(&hcrypt->lock, flags);
for (ptr = hcrypt->algs.next; ptr != &hcrypt->algs; ptr = ptr->next) {
struct ieee80211_crypto_alg *alg =
(struct ieee80211_crypto_alg *) ptr;
(struct ieee80211_crypto_alg *)ptr;
if (strcmp(alg->ops->name, name) == 0) {
found_alg = alg;
break;
@ -185,9 +182,13 @@ struct ieee80211_crypto_ops * ieee80211_get_crypto_ops(const char *name)
return NULL;
}
static void * ieee80211_crypt_null_init(int keyidx) { return (void *) 1; }
static void ieee80211_crypt_null_deinit(void *priv) {}
static void *ieee80211_crypt_null_init(int keyidx)
{
return (void *)1;
}
static void ieee80211_crypt_null_deinit(void *priv)
{
}
static struct ieee80211_crypto_ops ieee80211_crypt_null = {
.name = "NULL",
@ -204,7 +205,6 @@ static struct ieee80211_crypto_ops ieee80211_crypt_null = {
.owner = THIS_MODULE,
};
static int __init ieee80211_crypto_init(void)
{
int ret = -ENOMEM;
@ -222,11 +222,10 @@ static int __init ieee80211_crypto_init(void)
kfree(hcrypt);
hcrypt = NULL;
}
out:
out:
return ret;
}
static void __exit ieee80211_crypto_deinit(void)
{
struct list_head *ptr, *n;
@ -237,7 +236,7 @@ static void __exit ieee80211_crypto_deinit(void)
for (ptr = hcrypt->algs.next, n = ptr->next; ptr != &hcrypt->algs;
ptr = n, n = ptr->next) {
struct ieee80211_crypto_alg *alg =
(struct ieee80211_crypto_alg *) ptr;
(struct ieee80211_crypto_alg *)ptr;
list_del(ptr);
printk(KERN_DEBUG "ieee80211_crypt: unregistered algorithm "
"'%s' (deinit)\n", alg->ops->name);

47
net/ieee80211/ieee80211_crypt_ccmp.c
View File

@ -24,7 +24,6 @@
#include <net/ieee80211.h>
#include <linux/crypto.h>
#include <asm/scatterlist.h>
@ -55,7 +54,7 @@ struct ieee80211_ccmp_data {
/* scratch buffers for virt_to_page() (crypto API) */
u8 tx_b0[AES_BLOCK_LEN], tx_b[AES_BLOCK_LEN],
tx_e[AES_BLOCK_LEN], tx_s0[AES_BLOCK_LEN];
tx_e[AES_BLOCK_LEN], tx_s0[AES_BLOCK_LEN];
u8 rx_b0[AES_BLOCK_LEN], rx_b[AES_BLOCK_LEN], rx_a[AES_BLOCK_LEN];
};
@ -75,7 +74,7 @@ static void ieee80211_ccmp_aes_encrypt(struct crypto_tfm *tfm,
crypto_cipher_encrypt(tfm, &dst, &src, AES_BLOCK_LEN);
}
static void * ieee80211_ccmp_init(int key_idx)
static void *ieee80211_ccmp_init(int key_idx)
{
struct ieee80211_ccmp_data *priv;
@ -94,7 +93,7 @@ static void * ieee80211_ccmp_init(int key_idx)
return priv;
fail:
fail:
if (priv) {
if (priv->tfm)
crypto_free_tfm(priv->tfm);
@ -104,7 +103,6 @@ static void * ieee80211_ccmp_init(int key_idx)
return NULL;
}
static void ieee80211_ccmp_deinit(void *priv)
{
struct ieee80211_ccmp_data *_priv = priv;
@ -113,19 +111,16 @@ static void ieee80211_ccmp_deinit(void *priv)
kfree(priv);
}
static inline void xor_block(u8 *b, u8 *a, size_t len)
static inline void xor_block(u8 * b, u8 * a, size_t len)
{
int i;
for (i = 0; i < len; i++)
b[i] ^= a[i];
}
static void ccmp_init_blocks(struct crypto_tfm *tfm,
struct ieee80211_hdr *hdr,
u8 *pn, size_t dlen, u8 *b0, u8 *auth,
u8 *s0)
u8 * pn, size_t dlen, u8 * b0, u8 * auth, u8 * s0)
{
u8 *pos, qc = 0;
size_t aad_len;
@ -142,7 +137,7 @@ static void ccmp_init_blocks(struct crypto_tfm *tfm,
if (a4_included)
aad_len += 6;
if (qc_included) {
pos = (u8 *) &hdr->addr4;
pos = (u8 *) & hdr->addr4;
if (a4_included)
pos += 6;
qc = *pos & 0x0f;
@ -169,14 +164,14 @@ static void ccmp_init_blocks(struct crypto_tfm *tfm,
* QC (if present)
*/
pos = (u8 *) hdr;
aad[0] = 0; /* aad_len >> 8 */
aad[0] = 0; /* aad_len >> 8 */
aad[1] = aad_len & 0xff;
aad[2] = pos[0] & 0x8f;
aad[3] = pos[1] & 0xc7;
memcpy(aad + 4, hdr->addr1, 3 * ETH_ALEN);
pos = (u8 *) &hdr->seq_ctl;
pos = (u8 *) & hdr->seq_ctl;
aad[22] = pos[0] & 0x0f;
aad[23] = 0; /* all bits masked */
aad[23] = 0; /* all bits masked */
memset(aad + 24, 0, 8);
if (a4_included)
memcpy(aad + 24, hdr->addr4, ETH_ALEN);
@ -196,7 +191,6 @@ static void ccmp_init_blocks(struct crypto_tfm *tfm,
ieee80211_ccmp_aes_encrypt(tfm, b0, s0);
}
static int ieee80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
{
struct ieee80211_ccmp_data *key = priv;
@ -209,8 +203,7 @@ static int ieee80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
u8 *s0 = key->tx_s0;
if (skb_headroom(skb) < CCMP_HDR_LEN ||
skb_tailroom(skb) < CCMP_MIC_LEN ||
skb->len < hdr_len)
skb_tailroom(skb) < CCMP_MIC_LEN || skb->len < hdr_len)
return -1;
data_len = skb->len - hdr_len;
@ -230,13 +223,13 @@ static int ieee80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
*pos++ = key->tx_pn[5];
*pos++ = key->tx_pn[4];
*pos++ = 0;
*pos++ = (key->key_idx << 6) | (1 << 5) /* Ext IV included */;
*pos++ = (key->key_idx << 6) | (1 << 5) /* Ext IV included */ ;
*pos++ = key->tx_pn[3];
*pos++ = key->tx_pn[2];
*pos++ = key->tx_pn[1];
*pos++ = key->tx_pn[0];
hdr = (struct ieee80211_hdr *) skb->data;
hdr = (struct ieee80211_hdr *)skb->data;
ccmp_init_blocks(key->tfm, hdr, key->tx_pn, data_len, b0, b, s0);
blocks = (data_len + AES_BLOCK_LEN - 1) / AES_BLOCK_LEN;
@ -261,7 +254,6 @@ static int ieee80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
return 0;
}
static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
{
struct ieee80211_ccmp_data *key = priv;
@ -280,7 +272,7 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
return -1;
}
hdr = (struct ieee80211_hdr *) skb->data;
hdr = (struct ieee80211_hdr *)skb->data;
pos = skb->data + hdr_len;
keyidx = pos[3];
if (!(keyidx & (1 << 5))) {
@ -364,8 +356,7 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
return keyidx;
}
static int ieee80211_ccmp_set_key(void *key, int len, u8 *seq, void *priv)
static int ieee80211_ccmp_set_key(void *key, int len, u8 * seq, void *priv)
{
struct ieee80211_ccmp_data *data = priv;
int keyidx;
@ -395,8 +386,7 @@ static int ieee80211_ccmp_set_key(void *key, int len, u8 *seq, void *priv)
return 0;
}
static int ieee80211_ccmp_get_key(void *key, int len, u8 *seq, void *priv)
static int ieee80211_ccmp_get_key(void *key, int len, u8 * seq, void *priv)
{
struct ieee80211_ccmp_data *data = priv;
@ -419,8 +409,7 @@ static int ieee80211_ccmp_get_key(void *key, int len, u8 *seq, void *priv)
return CCMP_TK_LEN;
}
static char * ieee80211_ccmp_print_stats(char *p, void *priv)
static char *ieee80211_ccmp_print_stats(char *p, void *priv)
{
struct ieee80211_ccmp_data *ccmp = priv;
p += sprintf(p, "key[%d] alg=CCMP key_set=%d "
@ -436,7 +425,6 @@ static char * ieee80211_ccmp_print_stats(char *p, void *priv)
return p;
}
static struct ieee80211_crypto_ops ieee80211_crypt_ccmp = {
.name = "CCMP",
.init = ieee80211_ccmp_init,
@ -453,18 +441,15 @@ static struct ieee80211_crypto_ops ieee80211_crypt_ccmp = {
.owner = THIS_MODULE,
};
static int __init ieee80211_crypto_ccmp_init(void)
{
return ieee80211_register_crypto_ops(&ieee80211_crypt_ccmp);
}
static void __exit ieee80211_crypto_ccmp_exit(void)
{
ieee80211_unregister_crypto_ops(&ieee80211_crypt_ccmp);
}
module_init(ieee80211_crypto_ccmp_init);
module_exit(ieee80211_crypto_ccmp_exit);

131
net/ieee80211/ieee80211_crypt_tkip.c
View File

@ -23,7 +23,6 @@
#include <net/ieee80211.h>
#include <linux/crypto.h>
#include <asm/scatterlist.h>
#include <linux/crc32.h>
@ -62,7 +61,7 @@ struct ieee80211_tkip_data {
u8 rx_hdr[16], tx_hdr[16];
};
static void * ieee80211_tkip_init(int key_idx)
static void *ieee80211_tkip_init(int key_idx)
{
struct ieee80211_tkip_data *priv;
@ -88,7 +87,7 @@ static void * ieee80211_tkip_init(int key_idx)
return priv;
fail:
fail:
if (priv) {
if (priv->tfm_michael)
crypto_free_tfm(priv->tfm_michael);
@ -100,7 +99,6 @@ static void * ieee80211_tkip_init(int key_idx)
return NULL;
}
static void ieee80211_tkip_deinit(void *priv)
{
struct ieee80211_tkip_data *_priv = priv;
@ -111,51 +109,42 @@ static void ieee80211_tkip_deinit(void *priv)
kfree(priv);
}
static inline u16 RotR1(u16 val)
{
return (val >> 1) | (val << 15);
}
static inline u8 Lo8(u16 val)
{
return val & 0xff;
}
static inline u8 Hi8(u16 val)
{
return val >> 8;
}
static inline u16 Lo16(u32 val)
{
return val & 0xffff;
}
static inline u16 Hi16(u32 val)
{
return val >> 16;
}
static inline u16 Mk16(u8 hi, u8 lo)
{
return lo | (((u16) hi) << 8);
}
static inline u16 Mk16_le(u16 *v)
static inline u16 Mk16_le(u16 * v)
{
return le16_to_cpu(*v);
}
static const u16 Sbox[256] =
{
static const u16 Sbox[256] = {
0xC6A5, 0xF884, 0xEE99, 0xF68D, 0xFF0D, 0xD6BD, 0xDEB1, 0x9154,
0x6050, 0x0203, 0xCEA9, 0x567D, 0xE719, 0xB562, 0x4DE6, 0xEC9A,
0x8F45, 0x1F9D, 0x8940, 0xFA87, 0xEF15, 0xB2EB, 0x8EC9, 0xFB0B,
@ -190,17 +179,16 @@ static const u16 Sbox[256] =
0x82C3, 0x29B0, 0x5A77, 0x1E11, 0x7BCB, 0xA8FC, 0x6DD6, 0x2C3A,
};
static inline u16 _S_(u16 v)
{
u16 t = Sbox[Hi8(v)];
return Sbox[Lo8(v)] ^ ((t << 8) | (t >> 8));
}
#define PHASE1_LOOP_COUNT 8
static void tkip_mixing_phase1(u16 *TTAK, const u8 *TK, const u8 *TA, u32 IV32)
static void tkip_mixing_phase1(u16 * TTAK, const u8 * TK, const u8 * TA,
u32 IV32)
{
int i, j;
@ -221,13 +209,12 @@ static void tkip_mixing_phase1(u16 *TTAK, const u8 *TK, const u8 *TA, u32 IV32)
}
}
static void tkip_mixing_phase2(u8 *WEPSeed, const u8 *TK, const u16 *TTAK,
static void tkip_mixing_phase2(u8 * WEPSeed, const u8 * TK, const u16 * TTAK,
u16 IV16)
{
/* Make temporary area overlap WEP seed so that the final copy can be
* avoided on little endian hosts. */
u16 *PPK = (u16 *) &WEPSeed[4];
u16 *PPK = (u16 *) & WEPSeed[4];
/* Step 1 - make copy of TTAK and bring in TSC */
PPK[0] = TTAK[0];
@ -238,15 +225,15 @@ static void tkip_mixing_phase2(u8 *WEPSeed, const u8 *TK, const u16 *TTAK,
PPK[5] = TTAK[4] + IV16;
/* Step 2 - 96-bit bijective mixing using S-box */
PPK[0] += _S_(PPK[5] ^ Mk16_le((u16 *) &TK[0]));
PPK[1] += _S_(PPK[0] ^ Mk16_le((u16 *) &TK[2]));
PPK[2] += _S_(PPK[1] ^ Mk16_le((u16 *) &TK[4]));
PPK[3] += _S_(PPK[2] ^ Mk16_le((u16 *) &TK[6]));
PPK[4] += _S_(PPK[3] ^ Mk16_le((u16 *) &TK[8]));
PPK[5] += _S_(PPK[4] ^ Mk16_le((u16 *) &TK[10]));
PPK[0] += _S_(PPK[5] ^ Mk16_le((u16 *) & TK[0]));
PPK[1] += _S_(PPK[0] ^ Mk16_le((u16 *) & TK[2]));
PPK[2] += _S_(PPK[1] ^ Mk16_le((u16 *) & TK[4]));
PPK[3] += _S_(PPK[2] ^ Mk16_le((u16 *) & TK[6]));
PPK[4] += _S_(PPK[3] ^ Mk16_le((u16 *) & TK[8]));
PPK[5] += _S_(PPK[4] ^ Mk16_le((u16 *) & TK[10]));
PPK[0] += RotR1(PPK[5] ^ Mk16_le((u16 *) &TK[12]));
PPK[1] += RotR1(PPK[0] ^ Mk16_le((u16 *) &TK[14]));
PPK[0] += RotR1(PPK[5] ^ Mk16_le((u16 *) & TK[12]));
PPK[1] += RotR1(PPK[0] ^ Mk16_le((u16 *) & TK[14]));
PPK[2] += RotR1(PPK[1]);
PPK[3] += RotR1(PPK[2]);
PPK[4] += RotR1(PPK[3]);
@ -257,7 +244,7 @@ static void tkip_mixing_phase2(u8 *WEPSeed, const u8 *TK, const u16 *TTAK,
WEPSeed[0] = Hi8(IV16);
WEPSeed[1] = (Hi8(IV16) | 0x20) & 0x7F;
WEPSeed[2] = Lo8(IV16);
WEPSeed[3] = Lo8((PPK[5] ^ Mk16_le((u16 *) &TK[0])) >> 1);
WEPSeed[3] = Lo8((PPK[5] ^ Mk16_le((u16 *) & TK[0])) >> 1);
#ifdef __BIG_ENDIAN
{
@ -281,7 +268,7 @@ static int ieee80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
skb->len < hdr_len)
return -1;
hdr = (struct ieee80211_hdr *) skb->data;
hdr = (struct ieee80211_hdr *)skb->data;
if (!tkey->tx_phase1_done) {
tkip_mixing_phase1(tkey->tx_ttak, tkey->key, hdr->addr2,
tkey->tx_iv32);
@ -298,7 +285,7 @@ static int ieee80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
*pos++ = rc4key[0];
*pos++ = rc4key[1];
*pos++ = rc4key[2];
*pos++ = (tkey->key_idx << 6) | (1 << 5) /* Ext IV included */;
*pos++ = (tkey->key_idx << 6) | (1 << 5) /* Ext IV included */ ;
*pos++ = tkey->tx_iv32 & 0xff;
*pos++ = (tkey->tx_iv32 >> 8) & 0xff;
*pos++ = (tkey->tx_iv32 >> 16) & 0xff;
@ -341,7 +328,7 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
if (skb->len < hdr_len + 8 + 4)
return -1;
hdr = (struct ieee80211_hdr *) skb->data;
hdr = (struct ieee80211_hdr *)skb->data;
pos = skb->data + hdr_len;
keyidx = pos[3];
if (!(keyidx & (1 << 5))) {
@ -427,9 +414,8 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
return keyidx;
}
static int michael_mic(struct ieee80211_tkip_data *tkey, u8 *key, u8 *hdr,
u8 *data, size_t data_len, u8 *mic)
static int michael_mic(struct ieee80211_tkip_data *tkey, u8 * key, u8 * hdr,
u8 * data, size_t data_len, u8 * mic)
{
struct scatterlist sg[2];
@ -453,37 +439,37 @@ static int michael_mic(struct ieee80211_tkip_data *tkey, u8 *key, u8 *hdr,
return 0;
}
static void michael_mic_hdr(struct sk_buff *skb, u8 *hdr)
static void michael_mic_hdr(struct sk_buff *skb, u8 * hdr)
{
struct ieee80211_hdr *hdr11;
hdr11 = (struct ieee80211_hdr *) skb->data;
hdr11 = (struct ieee80211_hdr *)skb->data;
switch (le16_to_cpu(hdr11->frame_ctl) &
(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
case IEEE80211_FCTL_TODS:
memcpy(hdr, hdr11->addr3, ETH_ALEN); /* DA */
memcpy(hdr + ETH_ALEN, hdr11->addr2, ETH_ALEN); /* SA */
memcpy(hdr, hdr11->addr3, ETH_ALEN); /* DA */
memcpy(hdr + ETH_ALEN, hdr11->addr2, ETH_ALEN); /* SA */
break;
case IEEE80211_FCTL_FROMDS:
memcpy(hdr, hdr11->addr1, ETH_ALEN); /* DA */
memcpy(hdr + ETH_ALEN, hdr11->addr3, ETH_ALEN); /* SA */
memcpy(hdr, hdr11->addr1, ETH_ALEN); /* DA */
memcpy(hdr + ETH_ALEN, hdr11->addr3, ETH_ALEN); /* SA */
break;
case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
memcpy(hdr, hdr11->addr3, ETH_ALEN); /* DA */
memcpy(hdr + ETH_ALEN, hdr11->addr4, ETH_ALEN); /* SA */
memcpy(hdr, hdr11->addr3, ETH_ALEN); /* DA */
memcpy(hdr + ETH_ALEN, hdr11->addr4, ETH_ALEN); /* SA */
break;
case 0:
memcpy(hdr, hdr11->addr1, ETH_ALEN); /* DA */
memcpy(hdr + ETH_ALEN, hdr11->addr2, ETH_ALEN); /* SA */
memcpy(hdr, hdr11->addr1, ETH_ALEN); /* DA */
memcpy(hdr + ETH_ALEN, hdr11->addr2, ETH_ALEN); /* SA */
break;
}
hdr[12] = 0; /* priority */
hdr[13] = hdr[14] = hdr[15] = 0; /* reserved */
hdr[12] = 0; /* priority */
hdr[13] = hdr[14] = hdr[15] = 0; /* reserved */
}
static int ieee80211_michael_mic_add(struct sk_buff *skb, int hdr_len, void *priv)
static int ieee80211_michael_mic_add(struct sk_buff *skb, int hdr_len,
void *priv)
{
struct ieee80211_tkip_data *tkey = priv;
u8 *pos;
@ -504,11 +490,9 @@ static int ieee80211_michael_mic_add(struct sk_buff *skb, int hdr_len, void *pri
return 0;
}
#if WIRELESS_EXT >= 18
static void ieee80211_michael_mic_failure(struct net_device *dev,
struct ieee80211_hdr *hdr,
int keyidx)
struct ieee80211_hdr *hdr, int keyidx)
{
union iwreq_data wrqu;
struct iw_michaelmicfailure ev;
@ -524,12 +508,11 @@ static void ieee80211_michael_mic_failure(struct net_device *dev,
memcpy(ev.src_addr.sa_data, hdr->addr2, ETH_ALEN);
memset(&wrqu, 0, sizeof(wrqu));
wrqu.data.length = sizeof(ev);
wireless_send_event(dev, IWEVMICHAELMICFAILURE, &wrqu, (char *) &ev);
wireless_send_event(dev, IWEVMICHAELMICFAILURE, &wrqu, (char *)&ev);
}
#elif WIRELESS_EXT >= 15
static void ieee80211_michael_mic_failure(struct net_device *dev,
struct ieee80211_hdr *hdr,
int keyidx)
struct ieee80211_hdr *hdr, int keyidx)
{
union iwreq_data wrqu;
char buf[128];
@ -542,17 +525,16 @@ static void ieee80211_michael_mic_failure(struct net_device *dev,
wrqu.data.length = strlen(buf);
wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf);
}
#else /* WIRELESS_EXT >= 15 */
#else /* WIRELESS_EXT >= 15 */
static inline void ieee80211_michael_mic_failure(struct net_device *dev,
struct ieee80211_hdr *hdr,
int keyidx)
struct ieee80211_hdr *hdr,
int keyidx)
{
}
#endif /* WIRELESS_EXT >= 15 */
#endif /* WIRELESS_EXT >= 15 */
static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx,
int hdr_len, void *priv)
int hdr_len, void *priv)
{
struct ieee80211_tkip_data *tkey = priv;
u8 mic[8];
@ -566,7 +548,7 @@ static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx,
return -1;
if (memcmp(mic, skb->data + skb->len - 8, 8) != 0) {
struct ieee80211_hdr *hdr;
hdr = (struct ieee80211_hdr *) skb->data;
hdr = (struct ieee80211_hdr *)skb->data;
printk(KERN_DEBUG "%s: Michael MIC verification failed for "
"MSDU from " MAC_FMT " keyidx=%d\n",
skb->dev ? skb->dev->name : "N/A", MAC_ARG(hdr->addr2),
@ -587,8 +569,7 @@ static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx,
return 0;
}
static int ieee80211_tkip_set_key(void *key, int len, u8 *seq, void *priv)
static int ieee80211_tkip_set_key(void *key, int len, u8 * seq, void *priv)
{
struct ieee80211_tkip_data *tkey = priv;
int keyidx;
@ -603,10 +584,10 @@ static int ieee80211_tkip_set_key(void *key, int len, u8 *seq, void *priv)
if (len == TKIP_KEY_LEN) {
memcpy(tkey->key, key, TKIP_KEY_LEN);
tkey->key_set = 1;
tkey->tx_iv16 = 1; /* TSC is initialized to 1 */
tkey->tx_iv16 = 1; /* TSC is initialized to 1 */
if (seq) {
tkey->rx_iv32 = (seq[5] << 24) | (seq[4] << 16) |
(seq[3] << 8) | seq[2];
(seq[3] << 8) | seq[2];
tkey->rx_iv16 = (seq[1] << 8) | seq[0];
}
} else if (len == 0)
@ -617,8 +598,7 @@ static int ieee80211_tkip_set_key(void *key, int len, u8 *seq, void *priv)
return 0;
}
static int ieee80211_tkip_get_key(void *key, int len, u8 *seq, void *priv)
static int ieee80211_tkip_get_key(void *key, int len, u8 * seq, void *priv)
{
struct ieee80211_tkip_data *tkey = priv;
@ -647,8 +627,7 @@ static int ieee80211_tkip_get_key(void *key, int len, u8 *seq, void *priv)
return TKIP_KEY_LEN;
}
static char * ieee80211_tkip_print_stats(char *p, void *priv)
static char *ieee80211_tkip_print_stats(char *p, void *priv)
{
struct ieee80211_tkip_data *tkip = priv;
p += sprintf(p, "key[%d] alg=TKIP key_set=%d "
@ -674,7 +653,6 @@ static char * ieee80211_tkip_print_stats(char *p, void *priv)
return p;
}
static struct ieee80211_crypto_ops ieee80211_crypt_tkip = {
.name = "TKIP",
.init = ieee80211_tkip_init,
@ -686,23 +664,20 @@ static struct ieee80211_crypto_ops ieee80211_crypt_tkip = {
.set_key = ieee80211_tkip_set_key,
.get_key = ieee80211_tkip_get_key,
.print_stats = ieee80211_tkip_print_stats,
.extra_prefix_len = 4 + 4, /* IV + ExtIV */
.extra_postfix_len = 8 + 4, /* MIC + ICV */
.owner = THIS_MODULE,
.extra_prefix_len = 4 + 4, /* IV + ExtIV */
.extra_postfix_len = 8 + 4, /* MIC + ICV */
.owner = THIS_MODULE,
};
static int __init ieee80211_crypto_tkip_init(void)
{
return ieee80211_register_crypto_ops(&ieee80211_crypt_tkip);
}
static void __exit ieee80211_crypto_tkip_exit(void)
{
ieee80211_unregister_crypto_ops(&ieee80211_crypt_tkip);
}
module_init(ieee80211_crypto_tkip_init);
module_exit(ieee80211_crypto_tkip_exit);

30
net/ieee80211/ieee80211_crypt_wep.c
View File

@ -20,7 +20,6 @@
#include <net/ieee80211.h>
#include <linux/crypto.h>
#include <asm/scatterlist.h>
#include <linux/crc32.h>
@ -29,7 +28,6 @@ MODULE_AUTHOR("Jouni Malinen");
MODULE_DESCRIPTION("Host AP crypt: WEP");
MODULE_LICENSE("GPL");
struct prism2_wep_data {
u32 iv;
#define WEP_KEY_LEN 13
@ -39,8 +37,7 @@ struct prism2_wep_data {
struct crypto_tfm *tfm;
};
static void * prism2_wep_init(int keyidx)
static void *prism2_wep_init(int keyidx)
{
struct prism2_wep_data *priv;
@ -62,7 +59,7 @@ static void * prism2_wep_init(int keyidx)
return priv;
fail:
fail:
if (priv) {
if (priv->tfm)
crypto_free_tfm(priv->tfm);
@ -71,7 +68,6 @@ static void * prism2_wep_init(int keyidx)
return NULL;
}
static void prism2_wep_deinit(void *priv)
{
struct prism2_wep_data *_priv = priv;
@ -80,7 +76,6 @@ static void prism2_wep_deinit(void *priv)
kfree(priv);
}
/* Perform WEP encryption on given skb that has at least 4 bytes of headroom
* for IV and 4 bytes of tailroom for ICV. Both IV and ICV will be transmitted,
* so the payload length increases with 8 bytes.
@ -143,7 +138,6 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
return 0;
}
/* Perform WEP decryption on given buffer. Buffer includes whole WEP part of
* the frame: IV (4 bytes), encrypted payload (including SNAP header),
* ICV (4 bytes). len includes both IV and ICV.
@ -202,8 +196,7 @@ static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
return 0;
}
static int prism2_wep_set_key(void *key, int len, u8 *seq, void *priv)
static int prism2_wep_set_key(void *key, int len, u8 * seq, void *priv)
{
struct prism2_wep_data *wep = priv;
@ -216,8 +209,7 @@ static int prism2_wep_set_key(void *key, int len, u8 *seq, void *priv)
return 0;
}
static int prism2_wep_get_key(void *key, int len, u8 *seq, void *priv)
static int prism2_wep_get_key(void *key, int len, u8 * seq, void *priv)
{
struct prism2_wep_data *wep = priv;
@ -229,16 +221,13 @@ static int prism2_wep_get_key(void *key, int len, u8 *seq, void *priv)
return wep->key_len;
}
static char * prism2_wep_print_stats(char *p, void *priv)
static char *prism2_wep_print_stats(char *p, void *priv)
{
struct prism2_wep_data *wep = priv;
p += sprintf(p, "key[%d] alg=WEP len=%d\n",
wep->key_idx, wep->key_len);
p += sprintf(p, "key[%d] alg=WEP len=%d\n", wep->key_idx, wep->key_len);
return p;
}
static struct ieee80211_crypto_ops ieee80211_crypt_wep = {
.name = "WEP",
.init = prism2_wep_init,
@ -250,23 +239,20 @@ static struct ieee80211_crypto_ops ieee80211_crypt_wep = {
.set_key = prism2_wep_set_key,
.get_key = prism2_wep_get_key,
.print_stats = prism2_wep_print_stats,
.extra_prefix_len = 4, /* IV */
.extra_postfix_len = 4, /* ICV */
.extra_prefix_len = 4, /* IV */
.extra_postfix_len = 4, /* ICV */
.owner = THIS_MODULE,
};
static int __init ieee80211_crypto_wep_init(void)
{
return ieee80211_register_crypto_ops(&ieee80211_crypt_wep);
}
static void __exit ieee80211_crypto_wep_exit(void)
{
ieee80211_unregister_crypto_ops(&ieee80211_crypt_wep);
}
module_init(ieee80211_crypto_wep_init);
module_exit(ieee80211_crypto_wep_exit);

40
net/ieee80211/ieee80211_module.c
View File

@ -54,7 +54,8 @@
#include <net/ieee80211.h>
MODULE_DESCRIPTION("802.11 data/management/control stack");
MODULE_AUTHOR("Copyright (C) 2004 Intel Corporation <jketreno@linux.intel.com>");
MODULE_AUTHOR
("Copyright (C) 2004 Intel Corporation <jketreno@linux.intel.com>");
MODULE_LICENSE("GPL");
#define DRV_NAME "ieee80211"
@ -64,9 +65,9 @@ static inline int ieee80211_networks_allocate(struct ieee80211_device *ieee)
if (ieee->networks)
return 0;
ieee->networks = kmalloc(
MAX_NETWORK_COUNT * sizeof(struct ieee80211_network),
GFP_KERNEL);
ieee->networks =
kmalloc(MAX_NETWORK_COUNT * sizeof(struct ieee80211_network),
GFP_KERNEL);
if (!ieee->networks) {
printk(KERN_WARNING "%s: Out of memory allocating beacons\n",
ieee->dev->name);
@ -94,10 +95,10 @@ static inline void ieee80211_networks_initialize(struct ieee80211_device *ieee)
INIT_LIST_HEAD(&ieee->network_free_list);
INIT_LIST_HEAD(&ieee->network_list);
for (i = 0; i < MAX_NETWORK_COUNT; i++)
list_add_tail(&ieee->networks[i].list, &ieee->network_free_list);
list_add_tail(&ieee->networks[i].list,
&ieee->network_free_list);
}
struct net_device *alloc_ieee80211(int sizeof_priv)
{
struct ieee80211_device *ieee;
@ -118,8 +119,7 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
err = ieee80211_networks_allocate(ieee);
if (err) {
IEEE80211_ERROR("Unable to allocate beacon storage: %d\n",
err);
IEEE80211_ERROR("Unable to allocate beacon storage: %d\n", err);
goto failed;
}
ieee80211_networks_initialize(ieee);
@ -132,7 +132,7 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
/* Default to enabling full open WEP with host based encrypt/decrypt */
ieee->host_encrypt = 1;
ieee->host_decrypt = 1;
ieee->ieee802_1x = 1; /* Default to supporting 802.1x */
ieee->ieee802_1x = 1; /* Default to supporting 802.1x */
INIT_LIST_HEAD(&ieee->crypt_deinit_list);
init_timer(&ieee->crypt_deinit_timer);
@ -141,21 +141,20 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
spin_lock_init(&ieee->lock);
ieee->wpa_enabled = 0;
ieee->tkip_countermeasures = 0;
ieee->drop_unencrypted = 0;
ieee->privacy_invoked = 0;
ieee->ieee802_1x = 1;
ieee->wpa_enabled = 0;
ieee->tkip_countermeasures = 0;
ieee->drop_unencrypted = 0;
ieee->privacy_invoked = 0;
ieee->ieee802_1x = 1;
return dev;
failed:
failed:
if (dev)
free_netdev(dev);
return NULL;
}
void free_ieee80211(struct net_device *dev)
{
struct ieee80211_device *ieee = netdev_priv(dev);
@ -193,7 +192,7 @@ static int show_debug_level(char *page, char **start, off_t offset,
return snprintf(page, count, "0x%08X\n", ieee80211_debug_level);
}
static int store_debug_level(struct file *file, const char __user *buffer,
static int store_debug_level(struct file *file, const char __user * buffer,
unsigned long count, void *data)
{
char buf[] = "0x00000000";
@ -264,13 +263,12 @@ static void __exit ieee80211_exit(void)
module_param(debug, int, 0444);
MODULE_PARM_DESC(debug, "debug output mask");
module_exit(ieee80211_exit);
module_init(ieee80211_init);
#endif
const char *escape_essid(const char *essid, u8 essid_len) {
const char *escape_essid(const char *essid, u8 essid_len)
{
static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
const char *s = essid;
char *d = escaped;
@ -280,7 +278,7 @@ const char *escape_essid(const char *essid, u8 essid_len) {
return escaped;
}
essid_len = min(essid_len, (u8)IW_ESSID_MAX_SIZE);
essid_len = min(essid_len, (u8) IW_ESSID_MAX_SIZE);
while (essid_len--) {
if (*s == '\0') {
*d++ = '\\';

310
net/ieee80211/ieee80211_rx.c
View File

@ -52,11 +52,14 @@ static inline void ieee80211_monitor_rx(struct ieee80211_device *ieee,
netif_rx(skb);
}
/* Called only as a tasklet (software IRQ) */
static struct ieee80211_frag_entry *
ieee80211_frag_cache_find(struct ieee80211_device *ieee, unsigned int seq,
unsigned int frag, u8 *src, u8 *dst)
static struct ieee80211_frag_entry *ieee80211_frag_cache_find(struct
ieee80211_device
*ieee,
unsigned int seq,
unsigned int frag,
u8 * src,
u8 * dst)
{
struct ieee80211_frag_entry *entry;
int i;
@ -65,10 +68,9 @@ ieee80211_frag_cache_find(struct ieee80211_device *ieee, unsigned int seq,
entry = &ieee->frag_cache[i];
if (entry->skb != NULL &&
time_after(jiffies, entry->first_frag_time + 2 * HZ)) {
IEEE80211_DEBUG_FRAG(
"expiring fragment cache entry "
"seq=%u last_frag=%u\n",
entry->seq, entry->last_frag);
IEEE80211_DEBUG_FRAG("expiring fragment cache entry "
"seq=%u last_frag=%u\n",
entry->seq, entry->last_frag);
dev_kfree_skb_any(entry->skb);
entry->skb = NULL;
}
@ -84,9 +86,8 @@ ieee80211_frag_cache_find(struct ieee80211_device *ieee, unsigned int seq,
}
/* Called only as a tasklet (software IRQ) */
static struct sk_buff *
ieee80211_frag_cache_get(struct ieee80211_device *ieee,
struct ieee80211_hdr *hdr)
static struct sk_buff *ieee80211_frag_cache_get(struct ieee80211_device *ieee,
struct ieee80211_hdr *hdr)
{
struct sk_buff *skb = NULL;
u16 sc;
@ -101,9 +102,9 @@ ieee80211_frag_cache_get(struct ieee80211_device *ieee,
/* Reserve enough space to fit maximum frame length */
skb = dev_alloc_skb(ieee->dev->mtu +
sizeof(struct ieee80211_hdr) +
8 /* LLC */ +
2 /* alignment */ +
8 /* WEP */ + ETH_ALEN /* WDS */);
8 /* LLC */ +
2 /* alignment */ +
8 /* WEP */ + ETH_ALEN /* WDS */ );
if (skb == NULL)
return NULL;
@ -135,7 +136,6 @@ ieee80211_frag_cache_get(struct ieee80211_device *ieee,
return skb;
}
/* Called only as a tasklet (software IRQ) */
static int ieee80211_frag_cache_invalidate(struct ieee80211_device *ieee,
struct ieee80211_hdr *hdr)
@ -151,9 +151,8 @@ static int ieee80211_frag_cache_invalidate(struct ieee80211_device *ieee,
hdr->addr1);
if (entry == NULL) {
IEEE80211_DEBUG_FRAG(
"could not invalidate fragment cache "
"entry (seq=%u)\n", seq);
IEEE80211_DEBUG_FRAG("could not invalidate fragment cache "
"entry (seq=%u)\n", seq);
return -1;
}
@ -161,7 +160,6 @@ static int ieee80211_frag_cache_invalidate(struct ieee80211_device *ieee,
return 0;
}
#ifdef NOT_YET
/* ieee80211_rx_frame_mgtmt
*
@ -201,7 +199,7 @@ ieee80211_rx_frame_mgmt(struct ieee80211_device *ieee, struct sk_buff *skb,
return 0;
}
if (ieee->iw_mode == IW_MODE_MASTER) {
if (ieee->iw_mode == IW_MODE_MASTER) {
if (type != WLAN_FC_TYPE_MGMT && type != WLAN_FC_TYPE_CTRL) {
printk(KERN_DEBUG "%s: unknown management frame "
"(type=0x%02x, stype=0x%02x) dropped\n",
@ -219,14 +217,13 @@ ieee80211_rx_frame_mgmt(struct ieee80211_device *ieee, struct sk_buff *skb,
}
#endif
/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */
/* Ethernet-II snap header (RFC1042 for most EtherTypes) */
static unsigned char rfc1042_header[] =
{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
static unsigned char rfc1042_header[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */
static unsigned char bridge_tunnel_header[] =
{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
/* No encapsulation header if EtherType < 0x600 (=length) */
/* Called by ieee80211_rx_frame_decrypt */
@ -241,7 +238,7 @@ static int ieee80211_is_eapol_frame(struct ieee80211_device *ieee,
if (skb->len < 24)
return 0;
hdr = (struct ieee80211_hdr *) skb->data;
hdr = (struct ieee80211_hdr *)skb->data;
fc = le16_to_cpu(hdr->frame_ctl);
/* check that the frame is unicast frame to us */
@ -271,7 +268,7 @@ static int ieee80211_is_eapol_frame(struct ieee80211_device *ieee,
/* Called only as a tasklet (software IRQ), by ieee80211_rx */
static inline int
ieee80211_rx_frame_decrypt(struct ieee80211_device* ieee, struct sk_buff *skb,
ieee80211_rx_frame_decrypt(struct ieee80211_device *ieee, struct sk_buff *skb,
struct ieee80211_crypt_data *crypt)
{
struct ieee80211_hdr *hdr;
@ -280,12 +277,11 @@ ieee80211_rx_frame_decrypt(struct ieee80211_device* ieee, struct sk_buff *skb,
if (crypt == NULL || crypt->ops->decrypt_mpdu == NULL)
return 0;
hdr = (struct ieee80211_hdr *) skb->data;
hdr = (struct ieee80211_hdr *)skb->data;
hdrlen = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl));
#ifdef CONFIG_IEEE80211_CRYPT_TKIP
if (ieee->tkip_countermeasures &&
strcmp(crypt->ops->name, "TKIP") == 0) {
if (ieee->tkip_countermeasures && strcmp(crypt->ops->name, "TKIP") == 0) {
if (net_ratelimit()) {
printk(KERN_DEBUG "%s: TKIP countermeasures: dropped "
"received packet from " MAC_FMT "\n",
@ -299,9 +295,8 @@ ieee80211_rx_frame_decrypt(struct ieee80211_device* ieee, struct sk_buff *skb,
res = crypt->ops->decrypt_mpdu(skb, hdrlen, crypt->priv);
atomic_dec(&crypt->refcnt);
if (res < 0) {
IEEE80211_DEBUG_DROP(
"decryption failed (SA=" MAC_FMT
") res=%d\n", MAC_ARG(hdr->addr2), res);
IEEE80211_DEBUG_DROP("decryption failed (SA=" MAC_FMT
") res=%d\n", MAC_ARG(hdr->addr2), res);
if (res == -2)
IEEE80211_DEBUG_DROP("Decryption failed ICV "
"mismatch (key %d)\n",
@ -313,11 +308,11 @@ ieee80211_rx_frame_decrypt(struct ieee80211_device* ieee, struct sk_buff *skb,
return res;
}
/* Called only as a tasklet (software IRQ), by ieee80211_rx */
static inline int
ieee80211_rx_frame_decrypt_msdu(struct ieee80211_device* ieee, struct sk_buff *skb,
int keyidx, struct ieee80211_crypt_data *crypt)
ieee80211_rx_frame_decrypt_msdu(struct ieee80211_device *ieee,
struct sk_buff *skb, int keyidx,
struct ieee80211_crypt_data *crypt)
{
struct ieee80211_hdr *hdr;
int res, hdrlen;
@ -325,7 +320,7 @@ ieee80211_rx_frame_decrypt_msdu(struct ieee80211_device* ieee, struct sk_buff *s
if (crypt == NULL || crypt->ops->decrypt_msdu == NULL)
return 0;
hdr = (struct ieee80211_hdr *) skb->data;
hdr = (struct ieee80211_hdr *)skb->data;
hdrlen = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl));
atomic_inc(&crypt->refcnt);
@ -341,7 +336,6 @@ ieee80211_rx_frame_decrypt_msdu(struct ieee80211_device* ieee, struct sk_buff *s
return 0;
}
/* All received frames are sent to this function. @skb contains the frame in
* IEEE 802.11 format, i.e., in the format it was sent over air.
* This function is called only as a tasklet (software IRQ). */
@ -373,8 +367,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
stats = &ieee->stats;
if (skb->len < 10) {
printk(KERN_INFO "%s: SKB length < 10\n",
dev->name);
printk(KERN_INFO "%s: SKB length < 10\n", dev->name);
goto rx_dropped;
}
@ -399,8 +392,8 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
/* Update spy records */
wireless_spy_update(dev, hdr->addr2, &wstats);
}
#endif /* IW_WIRELESS_SPY */
#endif /* WIRELESS_EXT > 15 */
#endif /* IW_WIRELESS_SPY */
#endif /* WIRELESS_EXT > 15 */
hostap_update_rx_stats(local->ap, hdr, rx_stats);
#endif
@ -429,8 +422,8 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
* stations that do not support WEP key mapping). */
if (!(hdr->addr1[0] & 0x01) || local->bcrx_sta_key)
(void) hostap_handle_sta_crypto(local, hdr, &crypt,
&sta);
(void)hostap_handle_sta_crypto(local, hdr, &crypt,
&sta);
#endif
/* allow NULL decrypt to indicate an station specific override
@ -451,13 +444,11 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
goto rx_dropped;
}
}
#ifdef NOT_YET
if (type != WLAN_FC_TYPE_DATA) {
if (type == WLAN_FC_TYPE_MGMT && stype == WLAN_FC_STYPE_AUTH &&
fc & IEEE80211_FCTL_PROTECTED && ieee->host_decrypt &&
(keyidx = hostap_rx_frame_decrypt(ieee, skb, crypt)) < 0)
{
(keyidx = hostap_rx_frame_decrypt(ieee, skb, crypt)) < 0) {
printk(KERN_DEBUG "%s: failed to decrypt mgmt::auth "
"from " MAC_FMT "\n", dev->name,
MAC_ARG(hdr->addr2));
@ -507,9 +498,9 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
}
if (ieee->iw_mode == IW_MODE_MASTER && !wds &&
(fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) == IEEE80211_FCTL_FROMDS &&
ieee->stadev &&
memcmp(hdr->addr2, ieee->assoc_ap_addr, ETH_ALEN) == 0) {
(fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) ==
IEEE80211_FCTL_FROMDS && ieee->stadev
&& memcmp(hdr->addr2, ieee->assoc_ap_addr, ETH_ALEN) == 0) {
/* Frame from BSSID of the AP for which we are a client */
skb->dev = dev = ieee->stadev;
stats = hostap_get_stats(dev);
@ -521,8 +512,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
#ifdef NOT_YET
if ((ieee->iw_mode == IW_MODE_MASTER ||
ieee->iw_mode == IW_MODE_REPEAT) &&
!from_assoc_ap) {
ieee->iw_mode == IW_MODE_REPEAT) && !from_assoc_ap) {
switch (hostap_handle_sta_rx(ieee, dev, skb, rx_stats,
wds != NULL)) {
case AP_RX_CONTINUE_NOT_AUTHORIZED:
@ -546,11 +536,10 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
stype != IEEE80211_STYPE_DATA_CFPOLL &&
stype != IEEE80211_STYPE_DATA_CFACKPOLL) {
if (stype != IEEE80211_STYPE_NULLFUNC)
IEEE80211_DEBUG_DROP(
"RX: dropped data frame "
"with no data (type=0x%02x, "
"subtype=0x%02x, len=%d)\n",
type, stype, skb->len);
IEEE80211_DEBUG_DROP("RX: dropped data frame "
"with no data (type=0x%02x, "
"subtype=0x%02x, len=%d)\n",
type, stype, skb->len);
goto rx_dropped;
}
@ -560,7 +549,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
(keyidx = ieee80211_rx_frame_decrypt(ieee, skb, crypt)) < 0)
goto rx_dropped;
hdr = (struct ieee80211_hdr *) skb->data;
hdr = (struct ieee80211_hdr *)skb->data;
/* skb: hdr + (possibly fragmented) plaintext payload */
// PR: FIXME: hostap has additional conditions in the "if" below:
@ -614,7 +603,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
/* this was the last fragment and the frame will be
* delivered, so remove skb from fragment cache */
skb = frag_skb;
hdr = (struct ieee80211_hdr *) skb->data;
hdr = (struct ieee80211_hdr *)skb->data;
ieee80211_frag_cache_invalidate(ieee, hdr);
}
@ -624,28 +613,26 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
ieee80211_rx_frame_decrypt_msdu(ieee, skb, keyidx, crypt))
goto rx_dropped;
hdr = (struct ieee80211_hdr *) skb->data;
hdr = (struct ieee80211_hdr *)skb->data;
if (crypt && !(fc & IEEE80211_FCTL_PROTECTED) && !ieee->open_wep) {
if (/*ieee->ieee802_1x &&*/
ieee80211_is_eapol_frame(ieee, skb)) {
if ( /*ieee->ieee802_1x && */
ieee80211_is_eapol_frame(ieee, skb)) {
/* pass unencrypted EAPOL frames even if encryption is
* configured */
} else {
IEEE80211_DEBUG_DROP(
"encryption configured, but RX "
"frame not encrypted (SA=" MAC_FMT ")\n",
MAC_ARG(hdr->addr2));
IEEE80211_DEBUG_DROP("encryption configured, but RX "
"frame not encrypted (SA=" MAC_FMT
")\n", MAC_ARG(hdr->addr2));
goto rx_dropped;
}
}
if (crypt && !(fc & IEEE80211_FCTL_PROTECTED) && !ieee->open_wep &&
!ieee80211_is_eapol_frame(ieee, skb)) {
IEEE80211_DEBUG_DROP(
"dropped unencrypted RX data "
"frame from " MAC_FMT
" (drop_unencrypted=1)\n",
MAC_ARG(hdr->addr2));
IEEE80211_DEBUG_DROP("dropped unencrypted RX data "
"frame from " MAC_FMT
" (drop_unencrypted=1)\n",
MAC_ARG(hdr->addr2));
goto rx_dropped;
}
@ -673,8 +660,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
} else if (!frame_authorized) {
printk(KERN_DEBUG "%s: dropped frame from "
"unauthorized port (IEEE 802.1X): "
"ethertype=0x%04x\n",
dev->name, ethertype);
"ethertype=0x%04x\n", dev->name, ethertype);
goto rx_dropped;
}
}
@ -702,8 +688,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
#ifdef NOT_YET
if (wds && ((fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) ==
IEEE80211_FCTL_TODS) &&
skb->len >= ETH_HLEN + ETH_ALEN) {
IEEE80211_FCTL_TODS) && skb->len >= ETH_HLEN + ETH_ALEN) {
/* Non-standard frame: get addr4 from its bogus location after
* the payload */
memcpy(skb->data + ETH_ALEN,
@ -716,8 +701,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
stats->rx_bytes += skb->len;
#ifdef NOT_YET
if (ieee->iw_mode == IW_MODE_MASTER && !wds &&
ieee->ap->bridge_packets) {
if (ieee->iw_mode == IW_MODE_MASTER && !wds && ieee->ap->bridge_packets) {
if (dst[0] & 0x01) {
/* copy multicast frame both to the higher layers and
* to the wireless media */
@ -743,25 +727,24 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
skb2->dev = dev;
dev_queue_xmit(skb2);
}
#endif
if (skb) {
skb->protocol = eth_type_trans(skb, dev);
memset(skb->cb, 0, sizeof(skb->cb));
skb->dev = dev;
skb->ip_summed = CHECKSUM_NONE; /* 802.11 crc not sufficient */
skb->ip_summed = CHECKSUM_NONE; /* 802.11 crc not sufficient */
netif_rx(skb);
}
rx_exit:
rx_exit:
#ifdef NOT_YET
if (sta)
hostap_handle_sta_release(sta);
#endif
return 1;
rx_dropped:
rx_dropped:
stats->rx_dropped++;
/* Returning 0 indicates to caller that we have not handled the SKB--
@ -785,22 +768,21 @@ static inline int ieee80211_is_ofdm_rate(u8 rate)
case IEEE80211_OFDM_RATE_54MB:
return 1;
}
return 0;
return 0;
}
static inline int ieee80211_network_init(
struct ieee80211_device *ieee,
struct ieee80211_probe_response *beacon,
struct ieee80211_network *network,
struct ieee80211_rx_stats *stats)
static inline int ieee80211_network_init(struct ieee80211_device *ieee,
struct ieee80211_probe_response
*beacon,
struct ieee80211_network *network,
struct ieee80211_rx_stats *stats)
{
#ifdef CONFIG_IEEE80211_DEBUG
char rates_str[64];
char *p;
#endif
struct ieee80211_info_element *info_element;
u16 left;
u16 left;
u8 i;
/* Pull out fixed field data */
@ -810,7 +792,7 @@ static inline int ieee80211_network_init(
network->time_stamp[0] = beacon->time_stamp[0];
network->time_stamp[1] = beacon->time_stamp[1];
network->beacon_interval = beacon->beacon_interval;
/* Where to pull this? beacon->listen_interval;*/
/* Where to pull this? beacon->listen_interval; */
network->listen_interval = 0x0A;
network->rates_len = network->rates_ex_len = 0;
network->last_associate = 0;
@ -824,18 +806,20 @@ static inline int ieee80211_network_init(
} else
network->flags |= NETWORK_HAS_CCK;
network->wpa_ie_len = 0;
network->rsn_ie_len = 0;
network->wpa_ie_len = 0;
network->rsn_ie_len = 0;
info_element = &beacon->info_element;
info_element = &beacon->info_element;
left = stats->len - ((void *)info_element - (void *)beacon);
while (left >= sizeof(struct ieee80211_info_element_hdr)) {
if (sizeof(struct ieee80211_info_element_hdr) + info_element->len > left) {
IEEE80211_DEBUG_SCAN("SCAN: parse failed: info_element->len + 2 > left : info_element->len+2=%Zd left=%d.\n",
info_element->len + sizeof(struct ieee80211_info_element),
left);
if (sizeof(struct ieee80211_info_element_hdr) +
info_element->len > left) {
IEEE80211_DEBUG_SCAN
("SCAN: parse failed: info_element->len + 2 > left : info_element->len+2=%Zd left=%d.\n",
info_element->len +
sizeof(struct ieee80211_info_element), left);
return 1;
}
}
switch (info_element->id) {
case MFIE_TYPE_SSID:
@ -846,10 +830,11 @@ static inline int ieee80211_network_init(
}
network->ssid_len = min(info_element->len,
(u8)IW_ESSID_MAX_SIZE);
memcpy(network->ssid, info_element->data, network->ssid_len);
if (network->ssid_len < IW_ESSID_MAX_SIZE)
memset(network->ssid + network->ssid_len, 0,
(u8) IW_ESSID_MAX_SIZE);
memcpy(network->ssid, info_element->data,
network->ssid_len);
if (network->ssid_len < IW_ESSID_MAX_SIZE)
memset(network->ssid + network->ssid_len, 0,
IW_ESSID_MAX_SIZE - network->ssid_len);
IEEE80211_DEBUG_SCAN("MFIE_TYPE_SSID: '%s' len=%d.\n",
@ -860,18 +845,23 @@ static inline int ieee80211_network_init(
#ifdef CONFIG_IEEE80211_DEBUG
p = rates_str;
#endif
network->rates_len = min(info_element->len, MAX_RATES_LENGTH);
network->rates_len =
min(info_element->len, MAX_RATES_LENGTH);
for (i = 0; i < network->rates_len; i++) {
network->rates[i] = info_element->data[i];
#ifdef CONFIG_IEEE80211_DEBUG
p += snprintf(p, sizeof(rates_str) - (p - rates_str), "%02X ", network->rates[i]);
p += snprintf(p,
sizeof(rates_str) - (p -
rates_str),
"%02X ", network->rates[i]);
#endif
if (ieee80211_is_ofdm_rate(info_element->data[i])) {
if (ieee80211_is_ofdm_rate
(info_element->data[i])) {
network->flags |= NETWORK_HAS_OFDM;
if (info_element->data[i] &
IEEE80211_BASIC_RATE_MASK)
network->flags &=
~NETWORK_HAS_CCK;
~NETWORK_HAS_CCK;
}
}
@ -883,18 +873,23 @@ static inline int ieee80211_network_init(
#ifdef CONFIG_IEEE80211_DEBUG
p = rates_str;
#endif
network->rates_ex_len = min(info_element->len, MAX_RATES_EX_LENGTH);
network->rates_ex_len =
min(info_element->len, MAX_RATES_EX_LENGTH);
for (i = 0; i < network->rates_ex_len; i++) {
network->rates_ex[i] = info_element->data[i];
#ifdef CONFIG_IEEE80211_DEBUG
p += snprintf(p, sizeof(rates_str) - (p - rates_str), "%02X ", network->rates[i]);
p += snprintf(p,
sizeof(rates_str) - (p -
rates_str),
"%02X ", network->rates[i]);
#endif
if (ieee80211_is_ofdm_rate(info_element->data[i])) {
if (ieee80211_is_ofdm_rate
(info_element->data[i])) {
network->flags |= NETWORK_HAS_OFDM;
if (info_element->data[i] &
IEEE80211_BASIC_RATE_MASK)
network->flags &=
~NETWORK_HAS_CCK;
~NETWORK_HAS_CCK;
}
}
@ -903,14 +898,14 @@ static inline int ieee80211_network_init(
break;
case MFIE_TYPE_DS_SET:
IEEE80211_DEBUG_SCAN("MFIE_TYPE_DS_SET: %d\n",
IEEE80211_DEBUG_SCAN("MFIE_TYPE_DS_SET: %d\n",
info_element->data[0]);
if (stats->freq == IEEE80211_24GHZ_BAND)
network->channel = info_element->data[0];
break;
case MFIE_TYPE_FH_SET:
IEEE80211_DEBUG_SCAN("MFIE_TYPE_FH_SET: ignored\n");
case MFIE_TYPE_FH_SET:
IEEE80211_DEBUG_SCAN("MFIE_TYPE_FH_SET: ignored\n");
break;
case MFIE_TYPE_CF_SET:
@ -932,13 +927,13 @@ static inline int ieee80211_network_init(
case MFIE_TYPE_GENERIC:
IEEE80211_DEBUG_SCAN("MFIE_TYPE_GENERIC: %d bytes\n",
info_element->len);
if (info_element->len >= 4 &&
if (info_element->len >= 4 &&
info_element->data[0] == 0x00 &&
info_element->data[1] == 0x50 &&
info_element->data[2] == 0xf2 &&
info_element->data[3] == 0x01) {
network->wpa_ie_len = min(info_element->len + 2,
MAX_WPA_IE_LEN);
MAX_WPA_IE_LEN);
memcpy(network->wpa_ie, info_element,
network->wpa_ie_len);
}
@ -948,7 +943,7 @@ static inline int ieee80211_network_init(
IEEE80211_DEBUG_SCAN("MFIE_TYPE_RSN: %d bytes\n",
info_element->len);
network->rsn_ie_len = min(info_element->len + 2,
MAX_WPA_IE_LEN);
MAX_WPA_IE_LEN);
memcpy(network->rsn_ie, info_element,
network->rsn_ie_len);
break;
@ -956,14 +951,14 @@ static inline int ieee80211_network_init(
default:
IEEE80211_DEBUG_SCAN("unsupported IE %d\n",
info_element->id);
break;
}
break;
}
left -= sizeof(struct ieee80211_info_element_hdr) +
info_element->len;
info_element->len;
info_element = (struct ieee80211_info_element *)
&info_element->data[info_element->len];
}
&info_element->data[info_element->len];
}
network->mode = 0;
if (stats->freq == IEEE80211_52GHZ_BAND)
@ -1032,10 +1027,13 @@ static inline void update_network(struct ieee80211_network *dst,
/* dst->last_associate is not overwritten */
}
static inline void ieee80211_process_probe_response(
struct ieee80211_device *ieee,
struct ieee80211_probe_response *beacon,
struct ieee80211_rx_stats *stats)
static inline void ieee80211_process_probe_response(struct ieee80211_device
*ieee,
struct
ieee80211_probe_response
*beacon,
struct ieee80211_rx_stats
*stats)
{
struct ieee80211_network network;
struct ieee80211_network *target;
@ -1045,33 +1043,35 @@ static inline void ieee80211_process_probe_response(
#endif
unsigned long flags;
IEEE80211_DEBUG_SCAN(
"'%s' (" MAC_FMT "): %c%c%c%c %c%c%c%c-%c%c%c%c %c%c%c%c\n",
escape_essid(info_element->data, info_element->len),
MAC_ARG(beacon->header.addr3),
(beacon->capability & (1<<0xf)) ? '1' : '0',
(beacon->capability & (1<<0xe)) ? '1' : '0',
(beacon->capability & (1<<0xd)) ? '1' : '0',
(beacon->capability & (1<<0xc)) ? '1' : '0',
(beacon->capability & (1<<0xb)) ? '1' : '0',
(beacon->capability & (1<<0xa)) ? '1' : '0',
(beacon->capability & (1<<0x9)) ? '1' : '0',
(beacon->capability & (1<<0x8)) ? '1' : '0',
(beacon->capability & (1<<0x7)) ? '1' : '0',
(beacon->capability & (1<<0x6)) ? '1' : '0',
(beacon->capability & (1<<0x5)) ? '1' : '0',
(beacon->capability & (1<<0x4)) ? '1' : '0',
(beacon->capability & (1<<0x3)) ? '1' : '0',
(beacon->capability & (1<<0x2)) ? '1' : '0',
(beacon->capability & (1<<0x1)) ? '1' : '0',
(beacon->capability & (1<<0x0)) ? '1' : '0');
IEEE80211_DEBUG_SCAN("'%s' (" MAC_FMT
"): %c%c%c%c %c%c%c%c-%c%c%c%c %c%c%c%c\n",
escape_essid(info_element->data,
info_element->len),
MAC_ARG(beacon->header.addr3),
(beacon->capability & (1 << 0xf)) ? '1' : '0',
(beacon->capability & (1 << 0xe)) ? '1' : '0',
(beacon->capability & (1 << 0xd)) ? '1' : '0',
(beacon->capability & (1 << 0xc)) ? '1' : '0',
(beacon->capability & (1 << 0xb)) ? '1' : '0',
(beacon->capability & (1 << 0xa)) ? '1' : '0',
(beacon->capability & (1 << 0x9)) ? '1' : '0',
(beacon->capability & (1 << 0x8)) ? '1' : '0',
(beacon->capability & (1 << 0x7)) ? '1' : '0',
(beacon->capability & (1 << 0x6)) ? '1' : '0',
(beacon->capability & (1 << 0x5)) ? '1' : '0',
(beacon->capability & (1 << 0x4)) ? '1' : '0',
(beacon->capability & (1 << 0x3)) ? '1' : '0',
(beacon->capability & (1 << 0x2)) ? '1' : '0',
(beacon->capability & (1 << 0x1)) ? '1' : '0',
(beacon->capability & (1 << 0x0)) ? '1' : '0');
if (ieee80211_network_init(ieee, beacon, &network, stats)) {
IEEE80211_DEBUG_SCAN("Dropped '%s' (" MAC_FMT ") via %s.\n",
escape_essid(info_element->data,
info_element->len),
MAC_ARG(beacon->header.addr3),
WLAN_FC_GET_STYPE(beacon->header.frame_ctl) ==
WLAN_FC_GET_STYPE(beacon->header.
frame_ctl) ==
IEEE80211_STYPE_PROBE_RESP ?
"PROBE RESPONSE" : "BEACON");
return;
@ -1117,13 +1117,13 @@ static inline void ieee80211_process_probe_response(
list_del(ieee->network_free_list.next);
}
#ifdef CONFIG_IEEE80211_DEBUG
IEEE80211_DEBUG_SCAN("Adding '%s' (" MAC_FMT ") via %s.\n",
escape_essid(network.ssid,
network.ssid_len),
MAC_ARG(network.bssid),
WLAN_FC_GET_STYPE(beacon->header.frame_ctl) ==
WLAN_FC_GET_STYPE(beacon->header.
frame_ctl) ==
IEEE80211_STYPE_PROBE_RESP ?
"PROBE RESPONSE" : "BEACON");
#endif
@ -1134,7 +1134,8 @@ static inline void ieee80211_process_probe_response(
escape_essid(target->ssid,
target->ssid_len),
MAC_ARG(target->bssid),
WLAN_FC_GET_STYPE(beacon->header.frame_ctl) ==
WLAN_FC_GET_STYPE(beacon->header.
frame_ctl) ==
IEEE80211_STYPE_PROBE_RESP ?
"PROBE RESPONSE" : "BEACON");
update_network(target, &network);
@ -1162,16 +1163,20 @@ void ieee80211_rx_mgt(struct ieee80211_device *ieee,
IEEE80211_DEBUG_MGMT("received PROBE RESPONSE (%d)\n",
WLAN_FC_GET_STYPE(header->frame_ctl));
IEEE80211_DEBUG_SCAN("Probe response\n");
ieee80211_process_probe_response(
ieee, (struct ieee80211_probe_response *)header, stats);
ieee80211_process_probe_response(ieee,
(struct
ieee80211_probe_response *)
header, stats);
break;
case IEEE80211_STYPE_BEACON:
IEEE80211_DEBUG_MGMT("received BEACON (%d)\n",
WLAN_FC_GET_STYPE(header->frame_ctl));
IEEE80211_DEBUG_SCAN("Beacon\n");
ieee80211_process_probe_response(
ieee, (struct ieee80211_probe_response *)header, stats);
ieee80211_process_probe_response(ieee,
(struct
ieee80211_probe_response *)
header, stats);
break;
default:
@ -1184,6 +1189,5 @@ void ieee80211_rx_mgt(struct ieee80211_device *ieee,
}
}
EXPORT_SYMBOL(ieee80211_rx_mgt);
EXPORT_SYMBOL(ieee80211_rx);

66
net/ieee80211/ieee80211_tx.c
View File

@ -45,10 +45,8 @@
#include <net/ieee80211.h>
/*
802.11 Data Frame
,-------------------------------------------------------------------.
@ -82,7 +80,6 @@ Desc. | IV | Encrypted | ICV |
`-----------------------'
Total: 8 non-data bytes
802.3 Ethernet Data Frame
,-----------------------------------------.
@ -131,7 +128,7 @@ payload of each frame is reduced to 492 bytes.
static u8 P802_1H_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0xf8 };
static u8 RFC1042_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0x00 };
static inline int ieee80211_put_snap(u8 *data, u16 h_proto)
static inline int ieee80211_put_snap(u8 * data, u16 h_proto)
{
struct ieee80211_snap_hdr *snap;
u8 *oui;
@ -149,17 +146,15 @@ static inline int ieee80211_put_snap(u8 *data, u16 h_proto)
snap->oui[1] = oui[1];
snap->oui[2] = oui[2];
*(u16 *)(data + SNAP_SIZE) = htons(h_proto);
*(u16 *) (data + SNAP_SIZE) = htons(h_proto);
return SNAP_SIZE + sizeof(u16);
}
static inline int ieee80211_encrypt_fragment(
struct ieee80211_device *ieee,
struct sk_buff *frag,
int hdr_len)
static inline int ieee80211_encrypt_fragment(struct ieee80211_device *ieee,
struct sk_buff *frag, int hdr_len)
{
struct ieee80211_crypt_data* crypt = ieee->crypt[ieee->tx_keyidx];
struct ieee80211_crypt_data *crypt = ieee->crypt[ieee->tx_keyidx];
int res;
#ifdef CONFIG_IEEE80211_CRYPT_TKIP
@ -167,7 +162,7 @@ static inline int ieee80211_encrypt_fragment(
if (ieee->tkip_countermeasures &&
crypt && crypt->ops && strcmp(crypt->ops->name, "TKIP") == 0) {
header = (struct ieee80211_hdr *) frag->data;
header = (struct ieee80211_hdr *)frag->data;
if (net_ratelimit()) {
printk(KERN_DEBUG "%s: TKIP countermeasures: dropped "
"TX packet to " MAC_FMT "\n",
@ -200,8 +195,8 @@ static inline int ieee80211_encrypt_fragment(
return 0;
}
void ieee80211_txb_free(struct ieee80211_txb *txb) {
void ieee80211_txb_free(struct ieee80211_txb *txb)
{
int i;
if (unlikely(!txb))
return;
@ -216,9 +211,8 @@ static struct ieee80211_txb *ieee80211_alloc_txb(int nr_frags, int txb_size,
{
struct ieee80211_txb *txb;
int i;
txb = kmalloc(
sizeof(struct ieee80211_txb) + (sizeof(u8*) * nr_frags),
gfp_mask);
txb = kmalloc(sizeof(struct ieee80211_txb) + (sizeof(u8 *) * nr_frags),
gfp_mask);
if (!txb)
return NULL;
@ -243,8 +237,7 @@ static struct ieee80211_txb *ieee80211_alloc_txb(int nr_frags, int txb_size,
}
/* SKBs are added to the ieee->tx_queue. */
int ieee80211_xmit(struct sk_buff *skb,
struct net_device *dev)
int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct ieee80211_device *ieee = netdev_priv(dev);
struct ieee80211_txb *txb = NULL;
@ -255,21 +248,20 @@ int ieee80211_xmit(struct sk_buff *skb,
int ether_type, encrypt;
int bytes, fc, hdr_len;
struct sk_buff *skb_frag;
struct ieee80211_hdr header = { /* Ensure zero initialized */
struct ieee80211_hdr header = { /* Ensure zero initialized */
.duration_id = 0,
.seq_ctl = 0
};
u8 dest[ETH_ALEN], src[ETH_ALEN];
struct ieee80211_crypt_data* crypt;
struct ieee80211_crypt_data *crypt;
spin_lock_irqsave(&ieee->lock, flags);
/* If there is no driver handler to take the TXB, dont' bother
* creating it... */
if (!ieee->hard_start_xmit) {
printk(KERN_WARNING "%s: No xmit handler.\n",
ieee->dev->name);
printk(KERN_WARNING "%s: No xmit handler.\n", ieee->dev->name);
goto success;
}
@ -284,7 +276,7 @@ int ieee80211_xmit(struct sk_buff *skb,
crypt = ieee->crypt[ieee->tx_keyidx];
encrypt = !(ether_type == ETH_P_PAE && ieee->ieee802_1x) &&
ieee->host_encrypt && crypt && crypt->ops;
ieee->host_encrypt && crypt && crypt->ops;
if (!encrypt && ieee->ieee802_1x &&
ieee->drop_unencrypted && ether_type != ETH_P_PAE) {
@ -294,7 +286,7 @@ int ieee80211_xmit(struct sk_buff *skb,
/* Save source and destination addresses */
memcpy(&dest, skb->data, ETH_ALEN);
memcpy(&src, skb->data+ETH_ALEN, ETH_ALEN);
memcpy(&src, skb->data + ETH_ALEN, ETH_ALEN);
/* Advance the SKB to the start of the payload */
skb_pull(skb, sizeof(struct ethhdr));
@ -304,7 +296,7 @@ int ieee80211_xmit(struct sk_buff *skb,
if (encrypt)
fc = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA |
IEEE80211_FCTL_PROTECTED;
IEEE80211_FCTL_PROTECTED;
else
fc = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA;
@ -327,8 +319,7 @@ int ieee80211_xmit(struct sk_buff *skb,
/* Determine fragmentation size based on destination (multicast
* and broadcast are not fragmented) */
if (is_multicast_ether_addr(dest) ||
is_broadcast_ether_addr(dest))
if (is_multicast_ether_addr(dest) || is_broadcast_ether_addr(dest))
frag_size = MAX_FRAG_THRESHOLD;
else
frag_size = ieee->fts;
@ -345,7 +336,7 @@ int ieee80211_xmit(struct sk_buff *skb,
/* Each fragment may need to have room for encryptiong pre/postfix */
if (encrypt)
bytes_per_frag -= crypt->ops->extra_prefix_len +
crypt->ops->extra_postfix_len;
crypt->ops->extra_postfix_len;
/* Number of fragments is the total bytes_per_frag /
* payload_per_fragment */
@ -380,19 +371,19 @@ int ieee80211_xmit(struct sk_buff *skb,
/* If this is not the last fragment, then add the MOREFRAGS
* bit to the frame control */
if (i != nr_frags - 1) {
frag_hdr->frame_ctl = cpu_to_le16(
fc | IEEE80211_FCTL_MOREFRAGS);
frag_hdr->frame_ctl =
cpu_to_le16(fc | IEEE80211_FCTL_MOREFRAGS);
bytes = bytes_per_frag;
} else {
/* The last fragment takes the remaining length */
bytes = bytes_last_frag;
}
/* Put a SNAP header on the first fragment */
/* Put a SNAP header on the first fragment */
if (i == 0) {
ieee80211_put_snap(
skb_put(skb_frag, SNAP_SIZE + sizeof(u16)),
ether_type);
ieee80211_put_snap(skb_put
(skb_frag, SNAP_SIZE + sizeof(u16)),
ether_type);
bytes -= SNAP_SIZE + sizeof(u16);
}
@ -410,14 +401,13 @@ int ieee80211_xmit(struct sk_buff *skb,
skb_put(skb_frag, 4);
}
success:
success:
spin_unlock_irqrestore(&ieee->lock, flags);
dev_kfree_skb_any(skb);
if (txb) {
if ((*ieee->hard_start_xmit)(txb, dev) == 0) {
if ((*ieee->hard_start_xmit) (txb, dev) == 0) {
stats->tx_packets++;
stats->tx_bytes += txb->payload_size;
return 0;
@ -427,7 +417,7 @@ int ieee80211_xmit(struct sk_buff *skb,
return 0;
failed:
failed:
spin_unlock_irqrestore(&ieee->lock, flags);
netif_stop_queue(dev);
stats->tx_errors++;

68
net/ieee80211/ieee80211_wx.c
View File

@ -42,7 +42,7 @@ static const char *ieee80211_modes[] = {
#define MAX_CUSTOM_LEN 64
static inline char *ipw2100_translate_scan(struct ieee80211_device *ieee,
char *start, char *stop,
char *start, char *stop,
struct ieee80211_network *network)
{
char custom[MAX_CUSTOM_LEN];
@ -66,29 +66,28 @@ static inline char *ipw2100_translate_scan(struct ieee80211_device *ieee,
iwe.u.data.length = sizeof("<hidden>");
start = iwe_stream_add_point(start, stop, &iwe, "<hidden>");
} else {
iwe.u.data.length = min(network->ssid_len, (u8)32);
iwe.u.data.length = min(network->ssid_len, (u8) 32);
start = iwe_stream_add_point(start, stop, &iwe, network->ssid);
}
/* Add the protocol name */
iwe.cmd = SIOCGIWNAME;
snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11%s", ieee80211_modes[network->mode]);
snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11%s",
ieee80211_modes[network->mode]);
start = iwe_stream_add_event(start, stop, &iwe, IW_EV_CHAR_LEN);
/* Add mode */
iwe.cmd = SIOCGIWMODE;
if (network->capability &
(WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) {
/* Add mode */
iwe.cmd = SIOCGIWMODE;
if (network->capability & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) {
if (network->capability & WLAN_CAPABILITY_ESS)
iwe.u.mode = IW_MODE_MASTER;
else
iwe.u.mode = IW_MODE_ADHOC;
start = iwe_stream_add_event(start, stop, &iwe,
IW_EV_UINT_LEN);
start = iwe_stream_add_event(start, stop, &iwe, IW_EV_UINT_LEN);
}
/* Add frequency/channel */
/* Add frequency/channel */
iwe.cmd = SIOCGIWFREQ;
/* iwe.u.freq.m = ieee80211_frequency(network->channel, network->mode);
iwe.u.freq.e = 3; */
@ -110,7 +109,7 @@ static inline char *ipw2100_translate_scan(struct ieee80211_device *ieee,
max_rate = 0;
p = custom;
p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), " Rates (Mb/s): ");
for (i = 0, j = 0; i < network->rates_len; ) {
for (i = 0, j = 0; i < network->rates_len;) {
if (j < network->rates_ex_len &&
((network->rates_ex[j] & 0x7F) <
(network->rates[i] & 0x7F)))
@ -133,8 +132,7 @@ static inline char *ipw2100_translate_scan(struct ieee80211_device *ieee,
iwe.cmd = SIOCGIWRATE;
iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
iwe.u.bitrate.value = max_rate * 500000;
start = iwe_stream_add_event(start, stop, &iwe,
IW_EV_PARAM_LEN);
start = iwe_stream_add_event(start, stop, &iwe, IW_EV_PARAM_LEN);
iwe.cmd = IWEVCUSTOM;
iwe.u.data.length = p - custom;
@ -164,7 +162,7 @@ static inline char *ipw2100_translate_scan(struct ieee80211_device *ieee,
if (iwe.u.data.length)
start = iwe_stream_add_point(start, stop, &iwe, custom);
if (ieee->wpa_enabled && network->wpa_ie_len){
if (ieee->wpa_enabled && network->wpa_ie_len) {
char buf[MAX_WPA_IE_LEN * 2 + 30];
u8 *p = buf;
@ -179,7 +177,7 @@ static inline char *ipw2100_translate_scan(struct ieee80211_device *ieee,
start = iwe_stream_add_point(start, stop, &iwe, buf);
}
if (ieee->wpa_enabled && network->rsn_ie_len){
if (ieee->wpa_enabled && network->rsn_ie_len) {
char buf[MAX_WPA_IE_LEN * 2 + 30];
u8 *p = buf;
@ -199,12 +197,12 @@ static inline char *ipw2100_translate_scan(struct ieee80211_device *ieee,
iwe.cmd = IWEVCUSTOM;
p = custom;
p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
" Last beacon: %lums ago", (jiffies - network->last_scanned) / (HZ / 100));
" Last beacon: %lums ago",
(jiffies - network->last_scanned) / (HZ / 100));
iwe.u.data.length = p - custom;
if (iwe.u.data.length)
start = iwe_stream_add_point(start, stop, &iwe, custom);
return start;
}
@ -229,18 +227,19 @@ int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
time_after(network->last_scanned + ieee->scan_age, jiffies))
ev = ipw2100_translate_scan(ieee, ev, stop, network);
else
IEEE80211_DEBUG_SCAN(
"Not showing network '%s ("
MAC_FMT ")' due to age (%lums).\n",
escape_essid(network->ssid,
network->ssid_len),
MAC_ARG(network->bssid),
(jiffies - network->last_scanned) / (HZ / 100));
IEEE80211_DEBUG_SCAN("Not showing network '%s ("
MAC_FMT ")' due to age (%lums).\n",
escape_essid(network->ssid,
network->ssid_len),
MAC_ARG(network->bssid),
(jiffies -
network->last_scanned) / (HZ /
100));
}
spin_unlock_irqrestore(&ieee->lock, flags);
wrqu->data.length = ev - extra;
wrqu->data.length = ev - extra;
wrqu->data.flags = 0;
IEEE80211_DEBUG_WX("exit: %d networks returned.\n", i);
@ -292,8 +291,8 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
if (ieee->crypt[i] != NULL) {
if (key_provided)
break;
ieee80211_crypt_delayed_deinit(
ieee, &ieee->crypt[i]);
ieee80211_crypt_delayed_deinit(ieee,
&ieee->crypt[i]);
}
}
@ -306,8 +305,6 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
goto done;
}
sec.enabled = 1;
sec.flags |= SEC_ENABLED;
@ -341,8 +338,7 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
new_crypt = NULL;
printk(KERN_WARNING "%s: could not initialize WEP: "
"load module ieee80211_crypt_wep\n",
dev->name);
"load module ieee80211_crypt_wep\n", dev->name);
return -EOPNOTSUPP;
}
*crypt = new_crypt;
@ -359,7 +355,7 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
key, escape_essid(sec.keys[key], len),
erq->length, len);
sec.key_sizes[key] = len;
(*crypt)->ops->set_key(sec.keys[key], len, NULL,
(*crypt)->ops->set_key(sec.keys[key], len, NULL,
(*crypt)->priv);
sec.flags |= (1 << key);
/* This ensures a key will be activated if no key is
@ -382,15 +378,15 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
/* No key data - just set the default TX key index */
if (key_provided) {
IEEE80211_DEBUG_WX(
"Setting key %d to default Tx key.\n", key);
IEEE80211_DEBUG_WX
("Setting key %d to default Tx key.\n", key);
ieee->tx_keyidx = key;
sec.active_key = key;
sec.flags |= SEC_ACTIVE_KEY;
}
}
done:
done:
ieee->open_wep = !(erq->flags & IW_ENCODE_RESTRICTED);
sec.auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
sec.flags |= SEC_AUTH_MODE;
@ -400,7 +396,7 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
/* For now we just support WEP, so only set that security level...
* TODO: When WPA is added this is one place that needs to change */
sec.flags |= SEC_LEVEL;
sec.level = SEC_LEVEL_1; /* 40 and 104 bit WEP */
sec.level = SEC_LEVEL_1; /* 40 and 104 bit WEP */
if (ieee->set_security)
ieee->set_security(dev, &sec);