/****************************************************************************** Copyright(c) 2003 - 2005 Intel Corporation. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of version 2 of the GNU General Public License as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. The full GNU General Public License is included in this distribution in the file called LICENSE. Contact Information: James P. Ketrenos Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 ******************************************************************************/ #ifndef __ipw2200_h__ #define __ipw2200_h__ #define WEXT_USECHANNELS 1 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define DRV_NAME "ipw2200" #include /* Authentication and Association States */ enum connection_manager_assoc_states { CMAS_INIT = 0, CMAS_TX_AUTH_SEQ_1, CMAS_RX_AUTH_SEQ_2, CMAS_AUTH_SEQ_1_PASS, CMAS_AUTH_SEQ_1_FAIL, CMAS_TX_AUTH_SEQ_3, CMAS_RX_AUTH_SEQ_4, CMAS_AUTH_SEQ_2_PASS, CMAS_AUTH_SEQ_2_FAIL, CMAS_AUTHENTICATED, CMAS_TX_ASSOC, CMAS_RX_ASSOC_RESP, CMAS_ASSOCIATED, CMAS_LAST }; #define IPW_WAIT (1<<0) #define IPW_QUIET (1<<1) #define IPW_ROAMING (1<<2) #define IPW_POWER_MODE_CAM 0x00 //(always on) #define IPW_POWER_INDEX_1 0x01 #define IPW_POWER_INDEX_2 0x02 #define IPW_POWER_INDEX_3 0x03 #define IPW_POWER_INDEX_4 0x04 #define IPW_POWER_INDEX_5 0x05 #define IPW_POWER_AC 0x06 #define IPW_POWER_BATTERY 0x07 #define IPW_POWER_LIMIT 0x07 #define IPW_POWER_MASK 0x0F #define IPW_POWER_ENABLED 0x10 #define IPW_POWER_LEVEL(x) ((x) & IPW_POWER_MASK) #define IPW_CMD_HOST_COMPLETE 2 #define IPW_CMD_POWER_DOWN 4 #define IPW_CMD_SYSTEM_CONFIG 6 #define IPW_CMD_MULTICAST_ADDRESS 7 #define IPW_CMD_SSID 8 #define IPW_CMD_ADAPTER_ADDRESS 11 #define IPW_CMD_PORT_TYPE 12 #define IPW_CMD_RTS_THRESHOLD 15 #define IPW_CMD_FRAG_THRESHOLD 16 #define IPW_CMD_POWER_MODE 17 #define IPW_CMD_WEP_KEY 18 #define IPW_CMD_TGI_TX_KEY 19 #define IPW_CMD_SCAN_REQUEST 20 #define IPW_CMD_ASSOCIATE 21 #define IPW_CMD_SUPPORTED_RATES 22 #define IPW_CMD_SCAN_ABORT 23 #define IPW_CMD_TX_FLUSH 24 #define IPW_CMD_QOS_PARAMETERS 25 #define IPW_CMD_SCAN_REQUEST_EXT 26 #define IPW_CMD_DINO_CONFIG 30 #define IPW_CMD_RSN_CAPABILITIES 31 #define IPW_CMD_RX_KEY 32 #define IPW_CMD_CARD_DISABLE 33 #define IPW_CMD_SEED_NUMBER 34 #define IPW_CMD_TX_POWER 35 #define IPW_CMD_COUNTRY_INFO 36 #define IPW_CMD_AIRONET_INFO 37 #define IPW_CMD_AP_TX_POWER 38 #define IPW_CMD_CCKM_INFO 39 #define IPW_CMD_CCX_VER_INFO 40 #define IPW_CMD_SET_CALIBRATION 41 #define IPW_CMD_SENSITIVITY_CALIB 42 #define IPW_CMD_RETRY_LIMIT 51 #define IPW_CMD_IPW_PRE_POWER_DOWN 58 #define IPW_CMD_VAP_BEACON_TEMPLATE 60 #define IPW_CMD_VAP_DTIM_PERIOD 61 #define IPW_CMD_EXT_SUPPORTED_RATES 62 #define IPW_CMD_VAP_LOCAL_TX_PWR_CONSTRAINT 63 #define IPW_CMD_VAP_QUIET_INTERVALS 64 #define IPW_CMD_VAP_CHANNEL_SWITCH 65 #define IPW_CMD_VAP_MANDATORY_CHANNELS 66 #define IPW_CMD_VAP_CELL_PWR_LIMIT 67 #define IPW_CMD_VAP_CF_PARAM_SET 68 #define IPW_CMD_VAP_SET_BEACONING_STATE 69 #define IPW_CMD_MEASUREMENT 80 #define IPW_CMD_POWER_CAPABILITY 81 #define IPW_CMD_SUPPORTED_CHANNELS 82 #define IPW_CMD_TPC_REPORT 83 #define IPW_CMD_WME_INFO 84 #define IPW_CMD_PRODUCTION_COMMAND 85 #define IPW_CMD_LINKSYS_EOU_INFO 90 #define RFD_SIZE 4 #define NUM_TFD_CHUNKS 6 #define TX_QUEUE_SIZE 32 #define RX_QUEUE_SIZE 32 #define DINO_CMD_WEP_KEY 0x08 #define DINO_CMD_TX 0x0B #define DCT_ANTENNA_A 0x01 #define DCT_ANTENNA_B 0x02 #define IPW_A_MODE 0 #define IPW_B_MODE 1 #define IPW_G_MODE 2 /* * TX Queue Flag Definitions */ /* tx wep key definition */ #define DCT_WEP_KEY_NOT_IMMIDIATE 0x00 #define DCT_WEP_KEY_64Bit 0x40 #define DCT_WEP_KEY_128Bit 0x80 #define DCT_WEP_KEY_128bitIV 0xC0 #define DCT_WEP_KEY_SIZE_MASK 0xC0 #define DCT_WEP_KEY_INDEX_MASK 0x0F #define DCT_WEP_INDEX_USE_IMMEDIATE 0x20 /* abort attempt if mgmt frame is rx'd */ #define DCT_FLAG_ABORT_MGMT 0x01 /* require CTS */ #define DCT_FLAG_CTS_REQUIRED 0x02 /* use short preamble */ #define DCT_FLAG_LONG_PREAMBLE 0x00 #define DCT_FLAG_SHORT_PREAMBLE 0x04 /* RTS/CTS first */ #define DCT_FLAG_RTS_REQD 0x08 /* dont calculate duration field */ #define DCT_FLAG_DUR_SET 0x10 /* even if MAC WEP set (allows pre-encrypt) */ #define DCT_FLAG_NO_WEP 0x20 /* overwrite TSF field */ #define DCT_FLAG_TSF_REQD 0x40 /* ACK rx is expected to follow */ #define DCT_FLAG_ACK_REQD 0x80 /* TX flags extension */ #define DCT_FLAG_EXT_MODE_CCK 0x01 #define DCT_FLAG_EXT_MODE_OFDM 0x00 #define DCT_FLAG_EXT_SECURITY_WEP 0x00 #define DCT_FLAG_EXT_SECURITY_NO DCT_FLAG_EXT_SECURITY_WEP #define DCT_FLAG_EXT_SECURITY_CKIP 0x04 #define DCT_FLAG_EXT_SECURITY_CCM 0x08 #define DCT_FLAG_EXT_SECURITY_TKIP 0x0C #define DCT_FLAG_EXT_SECURITY_MASK 0x0C #define DCT_FLAG_EXT_QOS_ENABLED 0x10 #define DCT_FLAG_EXT_HC_NO_SIFS_PIFS 0x00 #define DCT_FLAG_EXT_HC_SIFS 0x20 #define DCT_FLAG_EXT_HC_PIFS 0x40 #define TX_RX_TYPE_MASK 0xFF #define TX_FRAME_TYPE 0x00 #define TX_HOST_COMMAND_TYPE 0x01 #define RX_FRAME_TYPE 0x09 #define RX_HOST_NOTIFICATION_TYPE 0x03 #define RX_HOST_CMD_RESPONSE_TYPE 0x04 #define RX_TX_FRAME_RESPONSE_TYPE 0x05 #define TFD_NEED_IRQ_MASK 0x04 #define HOST_CMD_DINO_CONFIG 30 #define HOST_NOTIFICATION_STATUS_ASSOCIATED 10 #define HOST_NOTIFICATION_STATUS_AUTHENTICATE 11 #define HOST_NOTIFICATION_STATUS_SCAN_CHANNEL_RESULT 12 #define HOST_NOTIFICATION_STATUS_SCAN_COMPLETED 13 #define HOST_NOTIFICATION_STATUS_FRAG_LENGTH 14 #define HOST_NOTIFICATION_STATUS_LINK_DETERIORATION 15 #define HOST_NOTIFICATION_DINO_CONFIG_RESPONSE 16 #define HOST_NOTIFICATION_STATUS_BEACON_STATE 17 #define HOST_NOTIFICATION_STATUS_TGI_TX_KEY 18 #define HOST_NOTIFICATION_TX_STATUS 19 #define HOST_NOTIFICATION_CALIB_KEEP_RESULTS 20 #define HOST_NOTIFICATION_MEASUREMENT_STARTED 21 #define HOST_NOTIFICATION_MEASUREMENT_ENDED 22 #define HOST_NOTIFICATION_CHANNEL_SWITCHED 23 #define HOST_NOTIFICATION_RX_DURING_QUIET_PERIOD 24 #define HOST_NOTIFICATION_NOISE_STATS 25 #define HOST_NOTIFICATION_S36_MEASUREMENT_ACCEPTED 30 #define HOST_NOTIFICATION_S36_MEASUREMENT_REFUSED 31 #define HOST_NOTIFICATION_STATUS_BEACON_MISSING 1 #define IPW_MB_DISASSOCIATE_THRESHOLD_DEFAULT 24 #define IPW_MB_ROAMING_THRESHOLD_DEFAULT 8 #define IPW_REAL_RATE_RX_PACKET_THRESHOLD 300 #define MACADRR_BYTE_LEN 6 #define DCR_TYPE_AP 0x01 #define DCR_TYPE_WLAP 0x02 #define DCR_TYPE_MU_ESS 0x03 #define DCR_TYPE_MU_IBSS 0x04 #define DCR_TYPE_MU_PIBSS 0x05 #define DCR_TYPE_SNIFFER 0x06 #define DCR_TYPE_MU_BSS DCR_TYPE_MU_ESS /* QoS definitions */ #define CW_MIN_OFDM 15 #define CW_MAX_OFDM 1023 #define CW_MIN_CCK 31 #define CW_MAX_CCK 1023 #define QOS_TX0_CW_MIN_OFDM CW_MIN_OFDM #define QOS_TX1_CW_MIN_OFDM CW_MIN_OFDM #define QOS_TX2_CW_MIN_OFDM ( (CW_MIN_OFDM + 1) / 2 - 1 ) #define QOS_TX3_CW_MIN_OFDM ( (CW_MIN_OFDM + 1) / 4 - 1 ) #define QOS_TX0_CW_MIN_CCK CW_MIN_CCK #define QOS_TX1_CW_MIN_CCK CW_MIN_CCK #define QOS_TX2_CW_MIN_CCK ( (CW_MIN_CCK + 1) / 2 - 1 ) #define QOS_TX3_CW_MIN_CCK ( (CW_MIN_CCK + 1) / 4 - 1 ) #define QOS_TX0_CW_MAX_OFDM CW_MAX_OFDM #define QOS_TX1_CW_MAX_OFDM CW_MAX_OFDM #define QOS_TX2_CW_MAX_OFDM CW_MIN_OFDM #define QOS_TX3_CW_MAX_OFDM ( (CW_MIN_OFDM + 1) / 2 - 1 ) #define QOS_TX0_CW_MAX_CCK CW_MAX_CCK #define QOS_TX1_CW_MAX_CCK CW_MAX_CCK #define QOS_TX2_CW_MAX_CCK CW_MIN_CCK #define QOS_TX3_CW_MAX_CCK ( (CW_MIN_CCK + 1) / 2 - 1 ) #define QOS_TX0_AIFS (3 - QOS_AIFSN_MIN_VALUE) #define QOS_TX1_AIFS (7 - QOS_AIFSN_MIN_VALUE) #define QOS_TX2_AIFS (2 - QOS_AIFSN_MIN_VALUE) #define QOS_TX3_AIFS (2 - QOS_AIFSN_MIN_VALUE) #define QOS_TX0_ACM 0 #define QOS_TX1_ACM 0 #define QOS_TX2_ACM 0 #define QOS_TX3_ACM 0 #define QOS_TX0_TXOP_LIMIT_CCK 0 #define QOS_TX1_TXOP_LIMIT_CCK 0 #define QOS_TX2_TXOP_LIMIT_CCK 6016 #define QOS_TX3_TXOP_LIMIT_CCK 3264 #define QOS_TX0_TXOP_LIMIT_OFDM 0 #define QOS_TX1_TXOP_LIMIT_OFDM 0 #define QOS_TX2_TXOP_LIMIT_OFDM 3008 #define QOS_TX3_TXOP_LIMIT_OFDM 1504 #define DEF_TX0_CW_MIN_OFDM CW_MIN_OFDM #define DEF_TX1_CW_MIN_OFDM CW_MIN_OFDM #define DEF_TX2_CW_MIN_OFDM CW_MIN_OFDM #define DEF_TX3_CW_MIN_OFDM CW_MIN_OFDM #define DEF_TX0_CW_MIN_CCK CW_MIN_CCK #define DEF_TX1_CW_MIN_CCK CW_MIN_CCK #define DEF_TX2_CW_MIN_CCK CW_MIN_CCK #define DEF_TX3_CW_MIN_CCK CW_MIN_CCK #define DEF_TX0_CW_MAX_OFDM CW_MAX_OFDM #define DEF_TX1_CW_MAX_OFDM CW_MAX_OFDM #define DEF_TX2_CW_MAX_OFDM CW_MAX_OFDM #define DEF_TX3_CW_MAX_OFDM CW_MAX_OFDM #define DEF_TX0_CW_MAX_CCK CW_MAX_CCK #define DEF_TX1_CW_MAX_CCK CW_MAX_CCK #define DEF_TX2_CW_MAX_CCK CW_MAX_CCK #define DEF_TX3_CW_MAX_CCK CW_MAX_CCK #define DEF_TX0_AIFS 0 #define DEF_TX1_AIFS 0 #define DEF_TX2_AIFS 0 #define DEF_TX3_AIFS 0 #define DEF_TX0_ACM 0 #define DEF_TX1_ACM 0 #define DEF_TX2_ACM 0 #define DEF_TX3_ACM 0 #define DEF_TX0_TXOP_LIMIT_CCK 0 #define DEF_TX1_TXOP_LIMIT_CCK 0 #define DEF_TX2_TXOP_LIMIT_CCK 0 #define DEF_TX3_TXOP_LIMIT_CCK 0 #define DEF_TX0_TXOP_LIMIT_OFDM 0 #define DEF_TX1_TXOP_LIMIT_OFDM 0 #define DEF_TX2_TXOP_LIMIT_OFDM 0 #define DEF_TX3_TXOP_LIMIT_OFDM 0 #define QOS_QOS_SETS 3 #define QOS_PARAM_SET_ACTIVE 0 #define QOS_PARAM_SET_DEF_CCK 1 #define QOS_PARAM_SET_DEF_OFDM 2 #define CTRL_QOS_NO_ACK (0x0020) #define IPW_TX_QUEUE_1 1 #define IPW_TX_QUEUE_2 2 #define IPW_TX_QUEUE_3 3 #define IPW_TX_QUEUE_4 4 /* QoS sturctures */ struct ipw_qos_info { int qos_enable; struct ieee80211_qos_parameters *def_qos_parm_OFDM; struct ieee80211_qos_parameters *def_qos_parm_CCK; u32 burst_duration_CCK; u32 burst_duration_OFDM; u16 qos_no_ack_mask; int burst_enable; }; /**************************************************************/ /** * Generic queue structure * * 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 */ } __attribute__ ((packed)); 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 qos_ctrl; } __attribute__ ((packed)); 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)); 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 qos_ctrl; } __attribute__ ((packed)); 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)); // TX TFD with 32 byte MAC Header 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)); // 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)); // 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)); #define DCT_WEP_KEY_FIELD_LENGTH 16 struct tfd_command { u8 index; u8 length; u16 reserved; u8 payload[0]; } __attribute__ ((packed)); struct tfd_data { /* Header */ u32 work_area_ptr; u8 station_number; /* 0 for BSS */ u8 reserved1; u16 reserved2; /* Tx Parameters */ u8 cmd_id; u8 seq_num; u16 len; u8 priority; u8 tx_flags; u8 tx_flags_ext; u8 key_index; u8 wepkey[DCT_WEP_KEY_FIELD_LENGTH]; u8 rate; u8 antenna; u16 next_packet_duration; u16 next_frag_len; u16 back_off_counter; //////txop; u8 retrylimit; u16 cwcurrent; u8 reserved3; /* 802.11 MAC Header */ union { struct tx_tfd_24 tfd_24; struct tx_tfd_26 tfd_26; struct tx_tfd_30 tfd_30; struct tx_tfd_32 tfd_32; } tfd; /* Payload DMA info */ u32 num_chunks; u32 chunk_ptr[NUM_TFD_CHUNKS]; u16 chunk_len[NUM_TFD_CHUNKS]; } __attribute__ ((packed)); struct txrx_control_flags { u8 message_type; u8 rx_seq_num; u8 control_bits; u8 reserved; } __attribute__ ((packed)); #define TFD_SIZE 128 #define TFD_CMD_IMMEDIATE_PAYLOAD_LENGTH (TFD_SIZE - sizeof(struct txrx_control_flags)) 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)); typedef void destructor_func(const void *); /** * Tx Queue for DMA. Queue consists of circular buffer of * BD's and required locking structures. */ struct clx2_tx_queue { struct clx2_queue q; struct tfd_frame *bd; struct ieee80211_txb **txb; }; /* * RX related structures and functions */ #define RX_FREE_BUFFERS 32 #define RX_LOW_WATERMARK 8 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12 // Used for passing to driver number of successes and failures per rate struct rate_histogram { union { u32 a[SUP_RATE_11A_MAX_NUM_CHANNELS]; u32 b[SUP_RATE_11B_MAX_NUM_CHANNELS]; u32 g[SUP_RATE_11G_MAX_NUM_CHANNELS]; } success; union { u32 a[SUP_RATE_11A_MAX_NUM_CHANNELS]; u32 b[SUP_RATE_11B_MAX_NUM_CHANNELS]; u32 g[SUP_RATE_11G_MAX_NUM_CHANNELS]; } failed; } __attribute__ ((packed)); /* statistics command response */ struct ipw_cmd_stats { u8 cmd_id; u8 seq_num; u16 good_sfd; u16 bad_plcp; u16 wrong_bssid; u16 valid_mpdu; u16 bad_mac_header; u16 reserved_frame_types; u16 rx_ina; u16 bad_crc32; u16 invalid_cts; u16 invalid_acks; u16 long_distance_ina_fina; u16 dsp_silence_unreachable; u16 accumulated_rssi; u16 rx_ovfl_frame_tossed; u16 rssi_silence_threshold; u16 rx_ovfl_frame_supplied; u16 last_rx_frame_signal; u16 last_rx_frame_noise; u16 rx_autodetec_no_ofdm; u16 rx_autodetec_no_barker; u16 reserved; } __attribute__ ((packed)); struct notif_channel_result { u8 channel_num; struct ipw_cmd_stats stats; u8 uReserved; } __attribute__ ((packed)); #define SCAN_COMPLETED_STATUS_COMPLETE 1 #define SCAN_COMPLETED_STATUS_ABORTED 2 struct notif_scan_complete { u8 scan_type; u8 num_channels; u8 status; u8 reserved; } __attribute__ ((packed)); struct notif_frag_length { u16 frag_length; u16 reserved; } __attribute__ ((packed)); struct notif_beacon_state { u32 state; u32 number; } __attribute__ ((packed)); struct notif_tgi_tx_key { u8 key_state; u8 security_type; u8 station_index; u8 reserved; } __attribute__ ((packed)); struct notif_link_deterioration { struct ipw_cmd_stats stats; u8 rate; u8 modulation; struct rate_histogram histogram; u8 reserved1; u16 reserved2; } __attribute__ ((packed)); struct notif_association { u8 state; } __attribute__ ((packed)); struct notif_authenticate { u8 state; struct machdr24 addr; u16 status; } __attribute__ ((packed)); struct notif_calibration { u8 data[104]; } __attribute__ ((packed)); struct notif_noise { u32 value; } __attribute__ ((packed)); struct ipw_rx_notification { u8 reserved[8]; u8 subtype; u8 flags; u16 size; union { struct notif_association assoc; struct notif_authenticate auth; struct notif_channel_result channel_result; struct notif_scan_complete scan_complete; struct notif_frag_length frag_len; struct notif_beacon_state beacon_state; struct notif_tgi_tx_key tgi_tx_key; struct notif_link_deterioration link_deterioration; struct notif_calibration calibration; struct notif_noise noise; u8 raw[0]; } u; } __attribute__ ((packed)); 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 frameStatus; u8 rate; u8 rssi; u8 agc; u8 rssi_dbm; 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 u16 length; u8 data[0]; } __attribute__ ((packed)); struct ipw_rx_header { u8 message_type; u8 rx_seq_num; u8 control_bits; u8 reserved; } __attribute__ ((packed)); struct ipw_rx_packet { struct ipw_rx_header header; union { struct ipw_rx_frame frame; struct ipw_rx_notification notification; } u; } __attribute__ ((packed)); #define IPW_RX_NOTIFICATION_SIZE sizeof(struct ipw_rx_header) + 12 #define IPW_RX_FRAME_SIZE (unsigned int)(sizeof(struct ipw_rx_header) + \ sizeof(struct ipw_rx_frame)) struct ipw_rx_mem_buffer { dma_addr_t dma_addr; struct ipw_rx_buffer *rxb; struct sk_buff *skb; struct list_head list; }; /* 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 */ /* 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 */ spinlock_t lock; }; /* Not transferred over network, so not __attribute__ ((packed)) */ struct alive_command_responce { u8 alive_command; u8 sequence_number; u16 software_revision; u8 device_identifier; u8 reserved1[5]; u16 reserved2; u16 reserved3; u16 clock_settle_time; u16 powerup_settle_time; u16 reserved4; u8 time_stamp[5]; /* month, day, year, hours, minutes */ u8 ucode_valid; } __attribute__ ((packed)); #define IPW_MAX_RATES 12 struct ipw_rates { u8 num_rates; u8 rates[IPW_MAX_RATES]; } __attribute__ ((packed)); struct command_block { unsigned int control; u32 source_addr; u32 dest_addr; unsigned int status; } __attribute__ ((packed)); #define CB_NUMBER_OF_ELEMENTS_SMALL 64 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; unsigned long p_addr; unsigned long len; }; struct ipw_sys_config { u8 bt_coexistence; u8 reserved1; u8 answer_broadcast_ssid_probe; u8 accept_all_data_frames; u8 accept_non_directed_frames; u8 exclude_unicast_unencrypted; u8 disable_unicast_decryption; u8 exclude_multicast_unencrypted; u8 disable_multicast_decryption; u8 antenna_diversity; u8 pass_crc_to_host; u8 dot11g_auto_detection; u8 enable_cts_to_self; u8 enable_multicast_filtering; u8 bt_coexist_collision_thr; u8 reserved2; u8 accept_all_mgmt_bcpr; u8 accept_all_mgtm_frames; u8 pass_noise_stats_to_host; u8 reserved3; } __attribute__ ((packed)); struct ipw_multicast_addr { u8 num_of_multicast_addresses; u8 reserved[3]; u8 mac1[6]; u8 mac2[6]; u8 mac3[6]; u8 mac4[6]; } __attribute__ ((packed)); #define DCW_WEP_KEY_INDEX_MASK 0x03 /* bits [0:1] */ #define DCW_WEP_KEY_SEC_TYPE_MASK 0x30 /* bits [4:5] */ #define DCW_WEP_KEY_SEC_TYPE_WEP 0x00 #define DCW_WEP_KEY_SEC_TYPE_CCM 0x20 #define DCW_WEP_KEY_SEC_TYPE_TKIP 0x30 #define DCW_WEP_KEY_INVALID_SIZE 0x00 /* 0 = Invalid key */ #define DCW_WEP_KEY64Bit_SIZE 0x05 /* 64-bit encryption */ #define DCW_WEP_KEY128Bit_SIZE 0x0D /* 128-bit encryption */ #define DCW_CCM_KEY128Bit_SIZE 0x10 /* 128-bit key */ //#define DCW_WEP_KEY128BitIV_SIZE 0x10 /* 128-bit key and 128-bit IV */ struct ipw_wep_key { u8 cmd_id; u8 seq_num; u8 key_index; u8 key_size; u8 key[16]; } __attribute__ ((packed)); struct ipw_tgi_tx_key { u8 key_id; u8 security_type; u8 station_index; u8 flags; u8 key[16]; u32 tx_counter[2]; } __attribute__ ((packed)); #define IPW_SCAN_CHANNELS 54 struct ipw_scan_request { u8 scan_type; u16 dwell_time; u8 channels_list[IPW_SCAN_CHANNELS]; u8 channels_reserved[3]; } __attribute__ ((packed)); enum { IPW_SCAN_PASSIVE_TILL_FIRST_BEACON_SCAN = 0, IPW_SCAN_PASSIVE_FULL_DWELL_SCAN, IPW_SCAN_ACTIVE_DIRECT_SCAN, IPW_SCAN_ACTIVE_BROADCAST_SCAN, IPW_SCAN_ACTIVE_BROADCAST_AND_DIRECT_SCAN, IPW_SCAN_TYPES }; struct ipw_scan_request_ext { u32 full_scan_index; u8 channels_list[IPW_SCAN_CHANNELS]; u8 scan_type[IPW_SCAN_CHANNELS / 2]; u8 reserved; u16 dwell_time[IPW_SCAN_TYPES]; } __attribute__ ((packed)); static inline u8 ipw_get_scan_type(struct ipw_scan_request_ext *scan, u8 index) { if (index % 2) return scan->scan_type[index / 2] & 0x0F; else return (scan->scan_type[index / 2] & 0xF0) >> 4; } static inline void ipw_set_scan_type(struct ipw_scan_request_ext *scan, u8 index, u8 scan_type) { if (index % 2) scan->scan_type[index / 2] = (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); } struct ipw_associate { u8 channel; u8 auth_type:4, auth_key:4; u8 assoc_type; u8 reserved; u16 policy_support; u8 preamble_length; u8 ieee_mode; u8 bssid[ETH_ALEN]; u32 assoc_tsf_msw; u32 assoc_tsf_lsw; u16 capability; u16 listen_interval; u16 beacon_interval; u8 dest[ETH_ALEN]; u16 atim_window; u8 smr; u8 reserved1; u16 reserved2; } __attribute__ ((packed)); struct ipw_supported_rates { u8 ieee_mode; u8 num_rates; u8 purpose; u8 reserved; u8 supported_rates[IPW_MAX_RATES]; } __attribute__ ((packed)); struct ipw_rts_threshold { u16 rts_threshold; u16 reserved; } __attribute__ ((packed)); struct ipw_frag_threshold { u16 frag_threshold; u16 reserved; } __attribute__ ((packed)); struct ipw_retry_limit { u8 short_retry_limit; u8 long_retry_limit; u16 reserved; } __attribute__ ((packed)); struct ipw_dino_config { u32 dino_config_addr; u16 dino_config_size; u8 dino_response; u8 reserved; } __attribute__ ((packed)); struct ipw_aironet_info { u8 id; u8 length; u16 reserved; } __attribute__ ((packed)); struct ipw_rx_key { u8 station_index; u8 key_type; u8 key_id; u8 key_flag; u8 key[16]; u8 station_address[6]; u8 key_index; u8 reserved; } __attribute__ ((packed)); struct ipw_country_channel_info { u8 first_channel; u8 no_channels; s8 max_tx_power; } __attribute__ ((packed)); 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 { u8 channel_number; s8 tx_power; } __attribute__ ((packed)); #define SCAN_ASSOCIATED_INTERVAL (HZ) #define SCAN_INTERVAL (HZ / 10) #define MAX_A_CHANNELS 37 #define MAX_B_CHANNELS 14 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_rsn_capabilities { u8 id; u8 length; u16 version; } __attribute__ ((packed)); struct ipw_sensitivity_calib { u16 beacon_rssi_raw; u16 reserved; } __attribute__ ((packed)); /** * Host command structure. * * On input, the following fields should be filled: * - cmd * - len * - status_len * - param (if needed) * * On output, * - \a status contains status; * - \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 */ /** * command parameters. * There should be enough space for incoming and * outcoming parameters. * Incoming parameters listed 1-st, followed by outcoming params. * nParams=(len+3)/4+status_len */ u32 param[0]; } __attribute__ ((packed)); #define STATUS_HCMD_ACTIVE (1<<0) /**< host command in progress */ #define STATUS_INT_ENABLED (1<<1) #define STATUS_RF_KILL_HW (1<<2) #define STATUS_RF_KILL_SW (1<<3) #define STATUS_RF_KILL_MASK (STATUS_RF_KILL_HW | STATUS_RF_KILL_SW) #define STATUS_INIT (1<<5) #define STATUS_AUTH (1<<6) #define STATUS_ASSOCIATED (1<<7) #define STATUS_STATE_MASK (STATUS_INIT | STATUS_AUTH | STATUS_ASSOCIATED) #define STATUS_ASSOCIATING (1<<8) #define STATUS_DISASSOCIATING (1<<9) #define STATUS_ROAMING (1<<10) #define STATUS_EXIT_PENDING (1<<11) #define STATUS_DISASSOC_PENDING (1<<12) #define STATUS_STATE_PENDING (1<<13) #define STATUS_SCAN_PENDING (1<<20) #define STATUS_SCANNING (1<<21) #define STATUS_SCAN_ABORTING (1<<22) #define STATUS_SCAN_FORCED (1<<23) #define STATUS_LED_LINK_ON (1<<24) #define STATUS_LED_ACT_ON (1<<25) #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 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_LONG (1<<4) #define CFG_ADHOC_PERSIST (1<<5) #define CFG_ASSOCIATE (1<<6) #define CFG_FIXED_RATE (1<<7) #define CFG_ADHOC_CREATE (1<<8) #define CFG_NO_LED (1<<9) #define CFG_BACKGROUND_SCAN (1<<10) #define CFG_SPEED_SCAN (1<<11) #define CFG_NET_STATS (1<<12) #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) struct ipw_station_entry { u8 mac_addr[ETH_ALEN]; u8 reserved; u8 support_mode; }; #define AVG_ENTRIES 8 struct average { s16 entries[AVG_ENTRIES]; u8 pos; u8 init; s32 sum; }; #define MAX_SPEED_SCAN 100 #define IPW_IBSS_MAC_HASH_SIZE 31 struct ipw_ibss_seq { u8 mac[ETH_ALEN]; u16 seq_num; u16 frag_num; unsigned long packet_time; struct list_head list; }; struct ipw_error_elem { u32 desc; u32 time; u32 blink1; u32 blink2; u32 link1; u32 link2; u32 data; }; struct ipw_event { u32 event; u32 time; u32 data; } __attribute__ ((packed)); struct ipw_fw_error { unsigned long jiffies; u32 status; u32 config; u32 elem_len; u32 log_len; struct ipw_error_elem *elem; struct ipw_event *log; u8 payload[0]; } __attribute__ ((packed)); struct ipw_priv { /* ieee device used by generic ieee processing code */ struct ieee80211_device *ieee; spinlock_t lock; struct semaphore sem; /* basic pci-network driver stuff */ struct pci_dev *pci_dev; struct net_device *net_dev; /* pci hardware address support */ void __iomem *hw_base; unsigned long hw_len; struct fw_image_desc sram_desc; /* result of ucode download */ struct alive_command_responce dino_alive; wait_queue_head_t wait_command_queue; wait_queue_head_t wait_state; /* Rx and Tx DMA processing queues */ struct ipw_rx_queue *rxq; struct clx2_tx_queue txq_cmd; struct clx2_tx_queue txq[4]; u32 status; u32 config; u32 capability; u8 last_rx_rssi; u8 last_noise; struct average average_missed_beacons; 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 */ u32 disassociate_threshold; u32 roaming_threshold; struct ipw_associate assoc_request; struct ieee80211_network *assoc_network; 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 notif_link_deterioration last_link_deterioration; /** for statistics */ 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 */ struct notif_calibration calib; /**< last calibration */ /* ordinal interface with firmware */ u32 table0_addr; u32 table0_len; u32 table1_addr; u32 table1_len; u32 table2_addr; u32 table2_len; /* context information */ u8 essid[IW_ESSID_MAX_SIZE]; u8 essid_len; u8 nick[IW_ESSID_MAX_SIZE]; u16 rates_mask; u8 channel; struct ipw_sys_config sys_config; u32 power_mode; u8 bssid[ETH_ALEN]; u16 rts_threshold; u8 mac_addr[ETH_ALEN]; u8 num_stations; u8 stations[MAX_STATIONS][ETH_ALEN]; u8 short_retry_limit; u8 long_retry_limit; u32 notif_missed_beacons; /* Statistics and counters normalized with each association */ u32 last_missed_beacons; u32 last_tx_packets; u32 last_rx_packets; u32 last_tx_failures; u32 last_rx_err; u32 last_rate; u32 missed_adhoc_beacons; u32 missed_beacons; u32 rx_packets; u32 tx_packets; u32 quality; u8 speed_scan[MAX_SPEED_SCAN]; u8 speed_scan_pos; u16 last_seq_num; u16 last_frag_num; unsigned long last_packet_time; struct list_head ibss_mac_hash[IPW_IBSS_MAC_HASH_SIZE]; /* eeprom */ u8 eeprom[0x100]; /* 256 bytes of eeprom */ u8 country[4]; int eeprom_delay; struct iw_statistics wstats; struct iw_public_data wireless_data; struct workqueue_struct *workqueue; struct work_struct adhoc_check; struct work_struct associate; struct work_struct disassociate; struct work_struct system_config; struct work_struct rx_replenish; struct work_struct request_scan; struct work_struct adapter_restart; struct work_struct rf_kill; struct work_struct up; struct work_struct down; struct work_struct gather_stats; struct work_struct abort_scan; struct work_struct roam; struct work_struct scan_check; struct work_struct link_up; struct work_struct link_down; struct tasklet_struct irq_tasklet; /* LED related variables and work_struct */ u8 nic_type; u32 led_activity_on; u32 led_activity_off; u32 led_association_on; u32 led_association_off; u32 led_ofdm_on; u32 led_ofdm_off; struct work_struct led_link_on; struct work_struct led_link_off; struct work_struct led_act_off; struct work_struct merge_networks; struct ipw_cmd_log *cmdlog; int cmdlog_len; int cmdlog_pos; #define IPW_2200BG 1 #define IPW_2915ABG 2 u8 adapter; s8 tx_power; #ifdef CONFIG_PM u32 pm_state[16]; #endif struct ipw_fw_error *error; /* network state */ /* Used to pass the current INTA value from ISR to Tasklet */ u32 isr_inta; /* QoS */ struct ipw_qos_info qos_data; struct work_struct qos_activate; /*********************************/ /* debugging info */ u32 indirect_dword; u32 direct_dword; u32 indirect_byte; }; /*ipw_priv */ /* debug macros */ #ifdef CONFIG_IPW2200_DEBUG #define IPW_DEBUG(level, fmt, args...) \ do { if (ipw_debug_level & (level)) \ printk(KERN_DEBUG DRV_NAME": %c %s " fmt, \ in_interrupt() ? 'I' : 'U', __FUNCTION__ , ## args); } while (0) #else #define IPW_DEBUG(level, fmt, args...) do {} while (0) #endif /* CONFIG_IPW2200_DEBUG */ /* * To use the debug system; * * If you are defining a new debug classification, simply add it to the #define * list here in the form of: * * #define IPW_DL_xxxx VALUE * * shifting value to the left one bit from the previous entry. xxxx should be * the name of the classification (for example, WEP) * * You then need to either add a IPW_xxxx_DEBUG() macro definition for your * classification, or use IPW_DEBUG(IPW_DL_xxxx, ...) whenever you want * to send output to that classification. * * To add your debug level to the list of levels seen when you perform * * % cat /proc/net/ipw/debug_level * * you simply need to add your entry to the ipw_debug_levels array. * * If you do not see debug_level in /proc/net/ipw then you do not have * CONFIG_IPW2200_DEBUG defined in your kernel configuration * */ #define IPW_DL_ERROR (1<<0) #define IPW_DL_WARNING (1<<1) #define IPW_DL_INFO (1<<2) #define IPW_DL_WX (1<<3) #define IPW_DL_HOST_COMMAND (1<<5) #define IPW_DL_STATE (1<<6) #define IPW_DL_NOTIF (1<<10) #define IPW_DL_SCAN (1<<11) #define IPW_DL_ASSOC (1<<12) #define IPW_DL_DROP (1<<13) #define IPW_DL_IOCTL (1<<14) #define IPW_DL_MANAGE (1<<15) #define IPW_DL_FW (1<<16) #define IPW_DL_RF_KILL (1<<17) #define IPW_DL_FW_ERRORS (1<<18) #define IPW_DL_LED (1<<19) #define IPW_DL_ORD (1<<20) #define IPW_DL_FRAG (1<<21) #define IPW_DL_WEP (1<<22) #define IPW_DL_TX (1<<23) #define IPW_DL_RX (1<<24) #define IPW_DL_ISR (1<<25) #define IPW_DL_FW_INFO (1<<26) #define IPW_DL_IO (1<<27) #define IPW_DL_TRACE (1<<28) #define IPW_DL_STATS (1<<29) #define IPW_DL_MERGE (1<<30) #define IPW_DL_QOS (1<<31) #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) #define IPW_DEBUG_WX(f, a...) IPW_DEBUG(IPW_DL_WX, f, ## a) #define IPW_DEBUG_SCAN(f, a...) IPW_DEBUG(IPW_DL_SCAN, f, ## a) #define IPW_DEBUG_STATUS(f, a...) IPW_DEBUG(IPW_DL_STATUS, f, ## a) #define IPW_DEBUG_TRACE(f, a...) IPW_DEBUG(IPW_DL_TRACE, f, ## a) #define IPW_DEBUG_RX(f, a...) IPW_DEBUG(IPW_DL_RX, f, ## a) #define IPW_DEBUG_TX(f, a...) IPW_DEBUG(IPW_DL_TX, f, ## a) #define IPW_DEBUG_ISR(f, a...) IPW_DEBUG(IPW_DL_ISR, f, ## a) #define IPW_DEBUG_MANAGEMENT(f, a...) IPW_DEBUG(IPW_DL_MANAGE, f, ## a) #define IPW_DEBUG_LED(f, a...) IPW_DEBUG(IPW_DL_LED, f, ## a) #define IPW_DEBUG_WEP(f, a...) IPW_DEBUG(IPW_DL_WEP, f, ## a) #define IPW_DEBUG_HC(f, a...) IPW_DEBUG(IPW_DL_HOST_COMMAND, f, ## a) #define IPW_DEBUG_FRAG(f, a...) IPW_DEBUG(IPW_DL_FRAG, f, ## a) #define IPW_DEBUG_FW(f, a...) IPW_DEBUG(IPW_DL_FW, f, ## a) #define IPW_DEBUG_RF_KILL(f, a...) IPW_DEBUG(IPW_DL_RF_KILL, f, ## a) #define IPW_DEBUG_DROP(f, a...) IPW_DEBUG(IPW_DL_DROP, f, ## a) #define IPW_DEBUG_IO(f, a...) IPW_DEBUG(IPW_DL_IO, f, ## a) #define IPW_DEBUG_ORD(f, a...) IPW_DEBUG(IPW_DL_ORD, f, ## a) #define IPW_DEBUG_FW_INFO(f, a...) IPW_DEBUG(IPW_DL_FW_INFO, f, ## a) #define IPW_DEBUG_NOTIF(f, a...) IPW_DEBUG(IPW_DL_NOTIF, f, ## a) #define IPW_DEBUG_STATE(f, a...) IPW_DEBUG(IPW_DL_STATE | IPW_DL_ASSOC | IPW_DL_INFO, f, ## a) #define IPW_DEBUG_ASSOC(f, a...) IPW_DEBUG(IPW_DL_ASSOC | IPW_DL_INFO, f, ## a) #define IPW_DEBUG_STATS(f, a...) IPW_DEBUG(IPW_DL_STATS, f, ## a) #define IPW_DEBUG_MERGE(f, a...) IPW_DEBUG(IPW_DL_MERGE, f, ## a) #define IPW_DEBUG_QOS(f, a...) IPW_DEBUG(IPW_DL_QOS, f, ## a) #include /* * Register bit definitions */ #define IPW_INTA_RW 0x00000008 #define IPW_INTA_MASK_R 0x0000000C #define IPW_INDIRECT_ADDR 0x00000010 #define IPW_INDIRECT_DATA 0x00000014 #define IPW_AUTOINC_ADDR 0x00000018 #define IPW_AUTOINC_DATA 0x0000001C #define IPW_RESET_REG 0x00000020 #define IPW_GP_CNTRL_RW 0x00000024 #define IPW_READ_INT_REGISTER 0xFF4 #define IPW_GP_CNTRL_BIT_INIT_DONE 0x00000004 #define IPW_REGISTER_DOMAIN1_END 0x00001000 #define IPW_SRAM_READ_INT_REGISTER 0x00000ff4 #define IPW_SHARED_LOWER_BOUND 0x00000200 #define IPW_INTERRUPT_AREA_LOWER_BOUND 0x00000f80 #define IPW_NIC_SRAM_LOWER_BOUND 0x00000000 #define IPW_NIC_SRAM_UPPER_BOUND 0x00030000 #define IPW_BIT_INT_HOST_SRAM_READ_INT_REGISTER (1 << 29) #define IPW_GP_CNTRL_BIT_CLOCK_READY 0x00000001 #define IPW_GP_CNTRL_BIT_HOST_ALLOWS_STANDBY 0x00000002 /* * RESET Register Bit Indexes */ #define CBD_RESET_REG_PRINCETON_RESET (1<<0) #define IPW_START_STANDBY (1<<2) #define IPW_ACTIVITY_LED (1<<4) #define IPW_ASSOCIATED_LED (1<<5) #define IPW_OFDM_LED (1<<6) #define IPW_RESET_REG_SW_RESET (1<<7) #define IPW_RESET_REG_MASTER_DISABLED (1<<8) #define IPW_RESET_REG_STOP_MASTER (1<<9) #define IPW_GATE_ODMA (1<<25) #define IPW_GATE_IDMA (1<<26) #define IPW_ARC_KESHET_CONFIG (1<<27) #define IPW_GATE_ADMA (1<<29) #define IPW_CSR_CIS_UPPER_BOUND 0x00000200 #define IPW_DOMAIN_0_END 0x1000 #define CLX_MEM_BAR_SIZE 0x1000 /* Dino/baseband control registers bits */ #define DINO_ENABLE_SYSTEM 0x80 /* 1 = baseband processor on, 0 = reset */ #define DINO_ENABLE_CS 0x40 /* 1 = enable ucode load */ #define DINO_RXFIFO_DATA 0x01 /* 1 = data available */ #define IPW_BASEBAND_CONTROL_STATUS 0X00200000 #define IPW_BASEBAND_TX_FIFO_WRITE 0X00200004 #define IPW_BASEBAND_RX_FIFO_READ 0X00200004 #define IPW_BASEBAND_CONTROL_STORE 0X00200010 #define IPW_INTERNAL_CMD_EVENT 0X00300004 #define IPW_BASEBAND_POWER_DOWN 0x00000001 #define IPW_MEM_HALT_AND_RESET 0x003000e0 /* defgroup bits_halt_reset MEM_HALT_AND_RESET register bits */ #define IPW_BIT_HALT_RESET_ON 0x80000000 #define IPW_BIT_HALT_RESET_OFF 0x00000000 #define CB_LAST_VALID 0x20000000 #define CB_INT_ENABLED 0x40000000 #define CB_VALID 0x80000000 #define CB_SRC_LE 0x08000000 #define CB_DEST_LE 0x04000000 #define CB_SRC_AUTOINC 0x00800000 #define CB_SRC_IO_GATED 0x00400000 #define CB_DEST_AUTOINC 0x00080000 #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 IPW_SHARED_SRAM_SIZE 0x00030000 #define IPW_SHARED_SRAM_DMA_CONTROL 0x00027000 #define CB_MAX_LENGTH 0x1FFF #define IPW_HOST_EEPROM_DATA_SRAM_SIZE 0xA18 #define IPW_EEPROM_IMAGE_SIZE 0x100 /* DMA defs */ #define IPW_DMA_I_CURRENT_CB 0x003000D0 #define IPW_DMA_O_CURRENT_CB 0x003000D4 #define IPW_DMA_I_DMA_CONTROL 0x003000A4 #define IPW_DMA_I_CB_BASE 0x003000A0 #define IPW_TX_CMD_QUEUE_BD_BASE 0x00000200 #define IPW_TX_CMD_QUEUE_BD_SIZE 0x00000204 #define IPW_TX_QUEUE_0_BD_BASE 0x00000208 #define IPW_TX_QUEUE_0_BD_SIZE (0x0000020C) #define IPW_TX_QUEUE_1_BD_BASE 0x00000210 #define IPW_TX_QUEUE_1_BD_SIZE 0x00000214 #define IPW_TX_QUEUE_2_BD_BASE 0x00000218 #define IPW_TX_QUEUE_2_BD_SIZE (0x0000021C) #define IPW_TX_QUEUE_3_BD_BASE 0x00000220 #define IPW_TX_QUEUE_3_BD_SIZE 0x00000224 #define IPW_RX_BD_BASE 0x00000240 #define IPW_RX_BD_SIZE 0x00000244 #define IPW_RFDS_TABLE_LOWER 0x00000500 #define IPW_TX_CMD_QUEUE_READ_INDEX 0x00000280 #define IPW_TX_QUEUE_0_READ_INDEX 0x00000284 #define IPW_TX_QUEUE_1_READ_INDEX 0x00000288 #define IPW_TX_QUEUE_2_READ_INDEX (0x0000028C) #define IPW_TX_QUEUE_3_READ_INDEX 0x00000290 #define IPW_RX_READ_INDEX (0x000002A0) #define IPW_TX_CMD_QUEUE_WRITE_INDEX (0x00000F80) #define IPW_TX_QUEUE_0_WRITE_INDEX (0x00000F84) #define IPW_TX_QUEUE_1_WRITE_INDEX (0x00000F88) #define IPW_TX_QUEUE_2_WRITE_INDEX (0x00000F8C) #define IPW_TX_QUEUE_3_WRITE_INDEX (0x00000F90) #define IPW_RX_WRITE_INDEX (0x00000FA0) /* * EEPROM Related Definitions */ #define IPW_EEPROM_DATA_SRAM_ADDRESS (IPW_SHARED_LOWER_BOUND + 0x814) #define IPW_EEPROM_DATA_SRAM_SIZE (IPW_SHARED_LOWER_BOUND + 0x818) #define IPW_EEPROM_LOAD_DISABLE (IPW_SHARED_LOWER_BOUND + 0x81C) #define IPW_EEPROM_DATA (IPW_SHARED_LOWER_BOUND + 0x820) #define IPW_EEPROM_UPPER_ADDRESS (IPW_SHARED_LOWER_BOUND + 0x9E0) #define IPW_STATION_TABLE_LOWER (IPW_SHARED_LOWER_BOUND + 0xA0C) #define IPW_STATION_TABLE_UPPER (IPW_SHARED_LOWER_BOUND + 0xB0C) #define IPW_REQUEST_ATIM (IPW_SHARED_LOWER_BOUND + 0xB0C) #define IPW_ATIM_SENT (IPW_SHARED_LOWER_BOUND + 0xB10) #define IPW_WHO_IS_AWAKE (IPW_SHARED_LOWER_BOUND + 0xB14) #define IPW_DURING_ATIM_WINDOW (IPW_SHARED_LOWER_BOUND + 0xB18) #define MSB 1 #define LSB 0 #define WORD_TO_BYTE(_word) ((_word) * sizeof(u16)) #define GET_EEPROM_ADDR(_wordoffset,_byteoffset) \ ( 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 */ /* NIC type as found in the one byte EEPROM_NIC_TYPE offset */ #define EEPROM_NIC_TYPE_0 0 #define EEPROM_NIC_TYPE_1 1 #define EEPROM_NIC_TYPE_2 2 #define EEPROM_NIC_TYPE_3 3 #define EEPROM_NIC_TYPE_4 4 /* Bluetooth Coexistence capabilities as found in EEPROM_SKU_CAPABILITY */ #define EEPROM_SKU_CAP_BT_CHANNEL_SIG 0x01 /* we can tell BT our channel # */ #define EEPROM_SKU_CAP_BT_PRIORITY 0x02 /* BT can take priority over us */ #define EEPROM_SKU_CAP_BT_OOB 0x04 /* we can signal BT out-of-band */ #define FW_MEM_REG_LOWER_BOUND 0x00300000 #define FW_MEM_REG_EEPROM_ACCESS (FW_MEM_REG_LOWER_BOUND + 0x40) #define IPW_EVENT_REG (FW_MEM_REG_LOWER_BOUND + 0x04) #define EEPROM_BIT_SK (1<<0) #define EEPROM_BIT_CS (1<<1) #define EEPROM_BIT_DI (1<<2) #define EEPROM_BIT_DO (1<<4) #define EEPROM_CMD_READ 0x2 /* Interrupts masks */ #define IPW_INTA_NONE 0x00000000 #define IPW_INTA_BIT_RX_TRANSFER 0x00000002 #define IPW_INTA_BIT_STATUS_CHANGE 0x00000010 #define IPW_INTA_BIT_BEACON_PERIOD_EXPIRED 0x00000020 //Inta Bits for CF #define IPW_INTA_BIT_TX_CMD_QUEUE 0x00000800 #define IPW_INTA_BIT_TX_QUEUE_1 0x00001000 #define IPW_INTA_BIT_TX_QUEUE_2 0x00002000 #define IPW_INTA_BIT_TX_QUEUE_3 0x00004000 #define IPW_INTA_BIT_TX_QUEUE_4 0x00008000 #define IPW_INTA_BIT_SLAVE_MODE_HOST_CMD_DONE 0x00010000 #define IPW_INTA_BIT_PREPARE_FOR_POWER_DOWN 0x00100000 #define IPW_INTA_BIT_POWER_DOWN 0x00200000 #define IPW_INTA_BIT_FW_INITIALIZATION_DONE 0x01000000 #define IPW_INTA_BIT_FW_CARD_DISABLE_PHY_OFF_DONE 0x02000000 #define IPW_INTA_BIT_RF_KILL_DONE 0x04000000 #define IPW_INTA_BIT_FATAL_ERROR 0x40000000 #define IPW_INTA_BIT_PARITY_ERROR 0x80000000 /* Interrupts enabled at init time. */ #define IPW_INTA_MASK_ALL \ (IPW_INTA_BIT_TX_QUEUE_1 | \ IPW_INTA_BIT_TX_QUEUE_2 | \ IPW_INTA_BIT_TX_QUEUE_3 | \ IPW_INTA_BIT_TX_QUEUE_4 | \ IPW_INTA_BIT_TX_CMD_QUEUE | \ IPW_INTA_BIT_RX_TRANSFER | \ IPW_INTA_BIT_FATAL_ERROR | \ IPW_INTA_BIT_PARITY_ERROR | \ IPW_INTA_BIT_STATUS_CHANGE | \ IPW_INTA_BIT_FW_INITIALIZATION_DONE | \ IPW_INTA_BIT_BEACON_PERIOD_EXPIRED | \ IPW_INTA_BIT_SLAVE_MODE_HOST_CMD_DONE | \ IPW_INTA_BIT_PREPARE_FOR_POWER_DOWN | \ IPW_INTA_BIT_POWER_DOWN | \ IPW_INTA_BIT_RF_KILL_DONE ) /* FW event log definitions */ #define EVENT_ELEM_SIZE (3 * sizeof(u32)) #define EVENT_START_OFFSET (1 * sizeof(u32) + 2 * sizeof(u16)) /* FW error log definitions */ #define ERROR_ELEM_SIZE (7 * sizeof(u32)) #define ERROR_START_OFFSET (1 * sizeof(u32)) /* TX power level (dbm) */ #define IPW_TX_POWER_MIN -12 #define IPW_TX_POWER_MAX 20 #define IPW_TX_POWER_DEFAULT IPW_TX_POWER_MAX enum { IPW_FW_ERROR_OK = 0, IPW_FW_ERROR_FAIL, IPW_FW_ERROR_MEMORY_UNDERFLOW, IPW_FW_ERROR_MEMORY_OVERFLOW, IPW_FW_ERROR_BAD_PARAM, IPW_FW_ERROR_BAD_CHECKSUM, IPW_FW_ERROR_NMI_INTERRUPT, IPW_FW_ERROR_BAD_DATABASE, IPW_FW_ERROR_ALLOC_FAIL, IPW_FW_ERROR_DMA_UNDERRUN, IPW_FW_ERROR_DMA_STATUS, IPW_FW_ERROR_DINO_ERROR, IPW_FW_ERROR_EEPROM_ERROR, IPW_FW_ERROR_SYSASSERT, IPW_FW_ERROR_FATAL_ERROR }; #define AUTH_OPEN 0 #define AUTH_SHARED_KEY 1 #define AUTH_LEAP 2 #define AUTH_IGNORE 3 #define HC_ASSOCIATE 0 #define HC_REASSOCIATE 1 #define HC_DISASSOCIATE 2 #define HC_IBSS_START 3 #define HC_IBSS_RECONF 4 #define HC_DISASSOC_QUIET 5 #define HC_QOS_SUPPORT_ASSOC 0x01 #define IPW_RATE_CAPABILITIES 1 #define IPW_RATE_CONNECT 0 /* * Rate values and masks */ #define IPW_TX_RATE_1MB 0x0A #define IPW_TX_RATE_2MB 0x14 #define IPW_TX_RATE_5MB 0x37 #define IPW_TX_RATE_6MB 0x0D #define IPW_TX_RATE_9MB 0x0F #define IPW_TX_RATE_11MB 0x6E #define IPW_TX_RATE_12MB 0x05 #define IPW_TX_RATE_18MB 0x07 #define IPW_TX_RATE_24MB 0x09 #define IPW_TX_RATE_36MB 0x0B #define IPW_TX_RATE_48MB 0x01 #define IPW_TX_RATE_54MB 0x03 #define IPW_ORD_TABLE_ID_MASK 0x0000FF00 #define IPW_ORD_TABLE_VALUE_MASK 0x000000FF #define IPW_ORD_TABLE_0_MASK 0x0000F000 #define IPW_ORD_TABLE_1_MASK 0x0000F100 #define IPW_ORD_TABLE_2_MASK 0x0000F200 #define IPW_ORD_TABLE_3_MASK 0x0000F300 #define IPW_ORD_TABLE_4_MASK 0x0000F400 #define IPW_ORD_TABLE_5_MASK 0x0000F500 #define IPW_ORD_TABLE_6_MASK 0x0000F600 #define IPW_ORD_TABLE_7_MASK 0x0000F700 /* * Table 0 Entries (all entries are 32 bits) */ enum { IPW_ORD_STAT_TX_CURR_RATE = IPW_ORD_TABLE_0_MASK + 1, IPW_ORD_STAT_FRAG_TRESHOLD, IPW_ORD_STAT_RTS_THRESHOLD, IPW_ORD_STAT_TX_HOST_REQUESTS, IPW_ORD_STAT_TX_HOST_COMPLETE, IPW_ORD_STAT_TX_DIR_DATA, IPW_ORD_STAT_TX_DIR_DATA_B_1, IPW_ORD_STAT_TX_DIR_DATA_B_2, IPW_ORD_STAT_TX_DIR_DATA_B_5_5, 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, IPW_ORD_STAT_TX_DIR_DATA_G_6, IPW_ORD_STAT_TX_DIR_DATA_G_9, IPW_ORD_STAT_TX_DIR_DATA_G_11, IPW_ORD_STAT_TX_DIR_DATA_G_12, IPW_ORD_STAT_TX_DIR_DATA_G_18, IPW_ORD_STAT_TX_DIR_DATA_G_24, IPW_ORD_STAT_TX_DIR_DATA_G_36, IPW_ORD_STAT_TX_DIR_DATA_G_48, IPW_ORD_STAT_TX_DIR_DATA_G_54, IPW_ORD_STAT_TX_NON_DIR_DATA, IPW_ORD_STAT_TX_NON_DIR_DATA_B_1, IPW_ORD_STAT_TX_NON_DIR_DATA_B_2, IPW_ORD_STAT_TX_NON_DIR_DATA_B_5_5, 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, IPW_ORD_STAT_TX_NON_DIR_DATA_G_6, IPW_ORD_STAT_TX_NON_DIR_DATA_G_9, IPW_ORD_STAT_TX_NON_DIR_DATA_G_11, IPW_ORD_STAT_TX_NON_DIR_DATA_G_12, IPW_ORD_STAT_TX_NON_DIR_DATA_G_18, IPW_ORD_STAT_TX_NON_DIR_DATA_G_24, IPW_ORD_STAT_TX_NON_DIR_DATA_G_36, IPW_ORD_STAT_TX_NON_DIR_DATA_G_48, IPW_ORD_STAT_TX_NON_DIR_DATA_G_54, IPW_ORD_STAT_TX_RETRY, IPW_ORD_STAT_TX_FAILURE, IPW_ORD_STAT_RX_ERR_CRC, IPW_ORD_STAT_RX_ERR_ICV, IPW_ORD_STAT_RX_NO_BUFFER, IPW_ORD_STAT_FULL_SCANS, IPW_ORD_STAT_PARTIAL_SCANS, IPW_ORD_STAT_TGH_ABORTED_SCANS, IPW_ORD_STAT_TX_TOTAL_BYTES, IPW_ORD_STAT_CURR_RSSI_RAW, IPW_ORD_STAT_RX_BEACON, IPW_ORD_STAT_MISSED_BEACONS, IPW_ORD_TABLE_0_LAST }; #define IPW_RSSI_TO_DBM 112 /* Table 1 Entries */ enum { IPW_ORD_TABLE_1_LAST = IPW_ORD_TABLE_1_MASK | 1, }; /* * Table 2 Entries * * FW_VERSION: 16 byte string * FW_DATE: 16 byte string (only 14 bytes used) * UCODE_VERSION: 4 byte version code * UCODE_DATE: 5 bytes code code * ADDAPTER_MAC: 6 byte MAC address * RTC: 4 byte clock */ enum { IPW_ORD_STAT_FW_VERSION = IPW_ORD_TABLE_2_MASK | 1, IPW_ORD_STAT_FW_DATE, IPW_ORD_STAT_UCODE_VERSION, IPW_ORD_STAT_UCODE_DATE, IPW_ORD_STAT_ADAPTER_MAC, IPW_ORD_STAT_RTC, IPW_ORD_TABLE_2_LAST }; /* Table 3 */ enum { IPW_ORD_STAT_TX_PACKET = IPW_ORD_TABLE_3_MASK | 0, IPW_ORD_STAT_TX_PACKET_FAILURE, IPW_ORD_STAT_TX_PACKET_SUCCESS, IPW_ORD_STAT_TX_PACKET_ABORTED, IPW_ORD_TABLE_3_LAST }; /* Table 4 */ enum { IPW_ORD_TABLE_4_LAST = IPW_ORD_TABLE_4_MASK }; /* Table 5 */ enum { IPW_ORD_STAT_AVAILABLE_AP_COUNT = IPW_ORD_TABLE_5_MASK, IPW_ORD_STAT_AP_ASSNS, IPW_ORD_STAT_ROAM, IPW_ORD_STAT_ROAM_CAUSE_MISSED_BEACONS, IPW_ORD_STAT_ROAM_CAUSE_UNASSOC, IPW_ORD_STAT_ROAM_CAUSE_RSSI, IPW_ORD_STAT_ROAM_CAUSE_LINK_QUALITY, IPW_ORD_STAT_ROAM_CAUSE_AP_LOAD_BALANCE, IPW_ORD_STAT_ROAM_CAUSE_AP_NO_TX, IPW_ORD_STAT_LINK_UP, IPW_ORD_STAT_LINK_DOWN, IPW_ORD_ANTENNA_DIVERSITY, IPW_ORD_CURR_FREQ, IPW_ORD_TABLE_5_LAST }; /* Table 6 */ enum { IPW_ORD_COUNTRY_CODE = IPW_ORD_TABLE_6_MASK, IPW_ORD_CURR_BSSID, IPW_ORD_CURR_SSID, IPW_ORD_TABLE_6_LAST }; /* Table 7 */ enum { IPW_ORD_STAT_PERCENT_MISSED_BEACONS = IPW_ORD_TABLE_7_MASK, IPW_ORD_STAT_PERCENT_TX_RETRIES, IPW_ORD_STAT_PERCENT_LINK_QUALITY, IPW_ORD_STAT_CURR_RSSI_DBM, IPW_ORD_TABLE_7_LAST }; #define IPW_ERROR_LOG (IPW_SHARED_LOWER_BOUND + 0x410) #define IPW_EVENT_LOG (IPW_SHARED_LOWER_BOUND + 0x414) #define IPW_ORDINALS_TABLE_LOWER (IPW_SHARED_LOWER_BOUND + 0x500) #define IPW_ORDINALS_TABLE_0 (IPW_SHARED_LOWER_BOUND + 0x180) #define IPW_ORDINALS_TABLE_1 (IPW_SHARED_LOWER_BOUND + 0x184) #define IPW_ORDINALS_TABLE_2 (IPW_SHARED_LOWER_BOUND + 0x188) #define IPW_MEM_FIXED_OVERRIDE (IPW_SHARED_LOWER_BOUND + 0x41C) struct ipw_fixed_rate { u16 tx_rates; u16 reserved; } __attribute__ ((packed)); #define IPW_INDIRECT_ADDR_MASK (~0x3ul) struct host_cmd { u8 cmd; u8 len; u16 reserved; u32 param[TFD_CMD_IMMEDIATE_PAYLOAD_LENGTH]; } __attribute__ ((packed)); struct ipw_cmd_log { unsigned long jiffies; int retcode; struct host_cmd cmd; }; /* SysConfig command parameters ... */ /* bt_coexistence param */ #define CFG_BT_COEXISTENCE_SIGNAL_CHNL 0x01 /* tell BT our chnl # */ #define CFG_BT_COEXISTENCE_DEFER 0x02 /* defer our Tx if BT traffic */ #define CFG_BT_COEXISTENCE_KILL 0x04 /* kill our Tx if BT traffic */ #define CFG_BT_COEXISTENCE_WME_OVER_BT 0x08 /* multimedia extensions */ #define CFG_BT_COEXISTENCE_OOB 0x10 /* signal BT via out-of-band */ /* clear-to-send to self param */ #define CFG_CTS_TO_ITSELF_ENABLED_MIN 0x00 #define CFG_CTS_TO_ITSELF_ENABLED_MAX 0x01 #define CFG_CTS_TO_ITSELF_ENABLED_DEF CFG_CTS_TO_ITSELF_ENABLED_MIN /* Antenna diversity param (h/w can select best antenna, based on signal) */ #define CFG_SYS_ANTENNA_BOTH 0x00 /* NIC selects best antenna */ #define CFG_SYS_ANTENNA_A 0x01 /* force antenna A */ #define CFG_SYS_ANTENNA_B 0x03 /* force antenna B */ /* * The definitions below were lifted off the ipw2100 driver, which only * supports 'b' mode, so I'm sure these are not exactly correct. * * Somebody fix these!! */ #define REG_MIN_CHANNEL 0 #define REG_MAX_CHANNEL 14 #define REG_CHANNEL_MASK 0x00003FFF #define IPW_IBSS_11B_DEFAULT_MASK 0x87ff #define IPW_MAX_CONFIG_RETRIES 10 static inline u32 frame_hdr_len(struct ieee80211_hdr_4addr *hdr) { u32 retval; u16 fc; retval = sizeof(struct ieee80211_hdr_3addr); 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 * * Only WDS frames use Address4 among them. --YZ */ if (!(fc & IEEE80211_FCTL_TODS) || !(fc & IEEE80211_FCTL_FROMDS)) retval -= ETH_ALEN; return retval; } #endif /* __ipw2200_h__ */