/****************************************************************************** * * Copyright(c) 2003 - 2011 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., * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA * * The full GNU General Public License is included in this distribution in the * file called LICENSE. * * Contact Information: * Intel Linux Wireless * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * *****************************************************************************/ #ifndef __il_3945_h__ #define __il_3945_h__ #include /* for struct pci_device_id */ #include #include /* Hardware specific file defines the PCI IDs table for that hardware module */ extern const struct pci_device_id il3945_hw_card_ids[]; #include "common.h" extern const struct il_ops il3945_ops; /* Highest firmware API version supported */ #define IL3945_UCODE_API_MAX 2 /* Lowest firmware API version supported */ #define IL3945_UCODE_API_MIN 1 #define IL3945_FW_PRE "iwlwifi-3945-" #define _IL3945_MODULE_FIRMWARE(api) IL3945_FW_PRE #api ".ucode" #define IL3945_MODULE_FIRMWARE(api) _IL3945_MODULE_FIRMWARE(api) /* Default noise level to report when noise measurement is not available. * This may be because we're: * 1) Not associated (4965, no beacon stats being sent to driver) * 2) Scanning (noise measurement does not apply to associated channel) * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) * Use default noise value of -127 ... this is below the range of measurable * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. * Also, -127 works better than 0 when averaging frames with/without * noise info (e.g. averaging might be done in app); measured dBm values are * always negative ... using a negative value as the default keeps all * averages within an s8's (used in some apps) range of negative values. */ #define IL_NOISE_MEAS_NOT_AVAILABLE (-127) /* Module parameters accessible from iwl-*.c */ extern struct il_mod_params il3945_mod_params; struct il3945_rate_scale_data { u64 data; s32 success_counter; s32 success_ratio; s32 counter; s32 average_tpt; unsigned long stamp; }; struct il3945_rs_sta { spinlock_t lock; struct il_priv *il; s32 *expected_tpt; unsigned long last_partial_flush; unsigned long last_flush; u32 flush_time; u32 last_tx_packets; u32 tx_packets; u8 tgg; u8 flush_pending; u8 start_rate; struct timer_list rate_scale_flush; struct il3945_rate_scale_data win[RATE_COUNT_3945]; #ifdef CONFIG_MAC80211_DEBUGFS struct dentry *rs_sta_dbgfs_stats_table_file; #endif /* used to be in sta_info */ int last_txrate_idx; }; /* * The common struct MUST be first because it is shared between * 3945 and 4965! */ struct il3945_sta_priv { struct il_station_priv_common common; struct il3945_rs_sta rs_sta; }; enum il3945_antenna { IL_ANTENNA_DIVERSITY, IL_ANTENNA_MAIN, IL_ANTENNA_AUX }; /* * RTS threshold here is total size [2347] minus 4 FCS bytes * Per spec: * a value of 0 means RTS on all data/management packets * a value > max MSDU size means no RTS * else RTS for data/management frames where MPDU is larger * than RTS value. */ #define DEFAULT_RTS_THRESHOLD 2347U #define MIN_RTS_THRESHOLD 0U #define MAX_RTS_THRESHOLD 2347U #define MAX_MSDU_SIZE 2304U #define MAX_MPDU_SIZE 2346U #define DEFAULT_BEACON_INTERVAL 100U #define DEFAULT_SHORT_RETRY_LIMIT 7U #define DEFAULT_LONG_RETRY_LIMIT 4U #define IL_TX_FIFO_AC0 0 #define IL_TX_FIFO_AC1 1 #define IL_TX_FIFO_AC2 2 #define IL_TX_FIFO_AC3 3 #define IL_TX_FIFO_HCCA_1 5 #define IL_TX_FIFO_HCCA_2 6 #define IL_TX_FIFO_NONE 7 #define IEEE80211_DATA_LEN 2304 #define IEEE80211_4ADDR_LEN 30 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) struct il3945_frame { union { struct ieee80211_hdr frame; struct il3945_tx_beacon_cmd beacon; u8 raw[IEEE80211_FRAME_LEN]; u8 cmd[360]; } u; struct list_head list; }; #define SUP_RATE_11A_MAX_NUM_CHANNELS 8 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12 #define IL_SUPPORTED_RATES_IE_LEN 8 #define SCAN_INTERVAL 100 #define MAX_TID_COUNT 9 #define IL_INVALID_RATE 0xFF #define IL_INVALID_VALUE -1 #define STA_PS_STATUS_WAKE 0 #define STA_PS_STATUS_SLEEP 1 struct il3945_ibss_seq { u8 mac[ETH_ALEN]; u16 seq_num; u16 frag_num; unsigned long packet_time; struct list_head list; }; #define IL_RX_HDR(x) ((struct il3945_rx_frame_hdr *)(\ x->u.rx_frame.stats.payload + \ x->u.rx_frame.stats.phy_count)) #define IL_RX_END(x) ((struct il3945_rx_frame_end *)(\ IL_RX_HDR(x)->payload + \ le16_to_cpu(IL_RX_HDR(x)->len))) #define IL_RX_STATS(x) (&x->u.rx_frame.stats) #define IL_RX_DATA(x) (IL_RX_HDR(x)->payload) /****************************************************************************** * * Functions implemented in iwl3945-base.c which are forward declared here * for use by iwl-*.c * *****************************************************************************/ extern int il3945_calc_db_from_ratio(int sig_ratio); extern void il3945_rx_replenish(void *data); extern void il3945_rx_queue_reset(struct il_priv *il, struct il_rx_queue *rxq); extern unsigned int il3945_fill_beacon_frame(struct il_priv *il, struct ieee80211_hdr *hdr, int left); extern int il3945_dump_nic_event_log(struct il_priv *il, bool full_log, char **buf, bool display); extern void il3945_dump_nic_error_log(struct il_priv *il); /****************************************************************************** * * Functions implemented in iwl-[34]*.c which are forward declared here * for use by iwl3945-base.c * * NOTE: The implementation of these functions are hardware specific * which is why they are in the hardware specific files (vs. iwl-base.c) * * Naming convention -- * il3945_ <-- Its part of iwlwifi (should be changed to il3945_) * il3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW) * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) * il3945_bg_ <-- Called from work queue context * il3945_mac_ <-- mac80211 callback * ****************************************************************************/ extern void il3945_hw_handler_setup(struct il_priv *il); extern void il3945_hw_setup_deferred_work(struct il_priv *il); extern void il3945_hw_cancel_deferred_work(struct il_priv *il); extern int il3945_hw_rxq_stop(struct il_priv *il); extern int il3945_hw_set_hw_params(struct il_priv *il); extern int il3945_hw_nic_init(struct il_priv *il); extern int il3945_hw_nic_stop_master(struct il_priv *il); extern void il3945_hw_txq_ctx_free(struct il_priv *il); extern void il3945_hw_txq_ctx_stop(struct il_priv *il); extern int il3945_hw_nic_reset(struct il_priv *il); extern int il3945_hw_txq_attach_buf_to_tfd(struct il_priv *il, struct il_tx_queue *txq, dma_addr_t addr, u16 len, u8 reset, u8 pad); extern void il3945_hw_txq_free_tfd(struct il_priv *il, struct il_tx_queue *txq); extern int il3945_hw_get_temperature(struct il_priv *il); extern int il3945_hw_tx_queue_init(struct il_priv *il, struct il_tx_queue *txq); extern unsigned int il3945_hw_get_beacon_cmd(struct il_priv *il, struct il3945_frame *frame, u8 rate); void il3945_hw_build_tx_cmd_rate(struct il_priv *il, struct il_device_cmd *cmd, struct ieee80211_tx_info *info, struct ieee80211_hdr *hdr, int sta_id); extern int il3945_hw_reg_send_txpower(struct il_priv *il); extern int il3945_hw_reg_set_txpower(struct il_priv *il, s8 power); extern void il3945_hdl_stats(struct il_priv *il, struct il_rx_buf *rxb); void il3945_hdl_c_stats(struct il_priv *il, struct il_rx_buf *rxb); extern void il3945_disable_events(struct il_priv *il); extern int il4965_get_temperature(const struct il_priv *il); extern void il3945_post_associate(struct il_priv *il); extern void il3945_config_ap(struct il_priv *il); extern int il3945_commit_rxon(struct il_priv *il); /** * il3945_hw_find_station - Find station id for a given BSSID * @bssid: MAC address of station ID to find * * NOTE: This should not be hardware specific but the code has * not yet been merged into a single common layer for managing the * station tables. */ extern u8 il3945_hw_find_station(struct il_priv *il, const u8 * bssid); extern __le32 il3945_get_antenna_flags(const struct il_priv *il); extern int il3945_init_hw_rate_table(struct il_priv *il); extern void il3945_reg_txpower_periodic(struct il_priv *il); extern int il3945_txpower_set_from_eeprom(struct il_priv *il); extern int il3945_rs_next_rate(struct il_priv *il, int rate); /* scanning */ int il3945_request_scan(struct il_priv *il, struct ieee80211_vif *vif); void il3945_post_scan(struct il_priv *il); /* rates */ extern const struct il3945_rate_info il3945_rates[RATE_COUNT_3945]; /* RSSI to dBm */ #define IL39_RSSI_OFFSET 95 /* * EEPROM related constants, enums, and structures. */ #define EEPROM_SKU_CAP_OP_MODE_MRC (1 << 7) /* * Mapping of a Tx power level, at factory calibration temperature, * to a radio/DSP gain table idx. * One for each of 5 "sample" power levels in each band. * v_det is measured at the factory, using the 3945's built-in power amplifier * (PA) output voltage detector. This same detector is used during Tx of * long packets in normal operation to provide feedback as to proper output * level. * Data copied from EEPROM. * DO NOT ALTER THIS STRUCTURE!!! */ struct il3945_eeprom_txpower_sample { u8 gain_idx; /* idx into power (gain) setup table ... */ s8 power; /* ... for this pwr level for this chnl group */ u16 v_det; /* PA output voltage */ } __packed; /* * Mappings of Tx power levels -> nominal radio/DSP gain table idxes. * One for each channel group (a.k.a. "band") (1 for BG, 4 for A). * Tx power setup code interpolates between the 5 "sample" power levels * to determine the nominal setup for a requested power level. * Data copied from EEPROM. * DO NOT ALTER THIS STRUCTURE!!! */ struct il3945_eeprom_txpower_group { struct il3945_eeprom_txpower_sample samples[5]; /* 5 power levels */ s32 a, b, c, d, e; /* coefficients for voltage->power * formula (signed) */ s32 Fa, Fb, Fc, Fd, Fe; /* these modify coeffs based on * frequency (signed) */ s8 saturation_power; /* highest power possible by h/w in this * band */ u8 group_channel; /* "representative" channel # in this band */ s16 temperature; /* h/w temperature at factory calib this band * (signed) */ } __packed; /* * Temperature-based Tx-power compensation data, not band-specific. * These coefficients are use to modify a/b/c/d/e coeffs based on * difference between current temperature and factory calib temperature. * Data copied from EEPROM. */ struct il3945_eeprom_temperature_corr { u32 Ta; u32 Tb; u32 Tc; u32 Td; u32 Te; } __packed; /* * EEPROM map */ struct il3945_eeprom { u8 reserved0[16]; u16 device_id; /* abs.ofs: 16 */ u8 reserved1[2]; u16 pmc; /* abs.ofs: 20 */ u8 reserved2[20]; u8 mac_address[6]; /* abs.ofs: 42 */ u8 reserved3[58]; u16 board_revision; /* abs.ofs: 106 */ u8 reserved4[11]; u8 board_pba_number[9]; /* abs.ofs: 119 */ u8 reserved5[8]; u16 version; /* abs.ofs: 136 */ u8 sku_cap; /* abs.ofs: 138 */ u8 leds_mode; /* abs.ofs: 139 */ u16 oem_mode; u16 wowlan_mode; /* abs.ofs: 142 */ u16 leds_time_interval; /* abs.ofs: 144 */ u8 leds_off_time; /* abs.ofs: 146 */ u8 leds_on_time; /* abs.ofs: 147 */ u8 almgor_m_version; /* abs.ofs: 148 */ u8 antenna_switch_type; /* abs.ofs: 149 */ u8 reserved6[42]; u8 sku_id[4]; /* abs.ofs: 192 */ /* * Per-channel regulatory data. * * Each channel that *might* be supported by 3945 has a fixed location * in EEPROM containing EEPROM_CHANNEL_* usage flags (LSB) and max regulatory * txpower (MSB). * * Entries immediately below are for 20 MHz channel width. * * 2.4 GHz channels 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 */ u16 band_1_count; /* abs.ofs: 196 */ struct il_eeprom_channel band_1_channels[14]; /* abs.ofs: 198 */ /* * 4.9 GHz channels 183, 184, 185, 187, 188, 189, 192, 196, * 5.0 GHz channels 7, 8, 11, 12, 16 * (4915-5080MHz) (none of these is ever supported) */ u16 band_2_count; /* abs.ofs: 226 */ struct il_eeprom_channel band_2_channels[13]; /* abs.ofs: 228 */ /* * 5.2 GHz channels 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64 * (5170-5320MHz) */ u16 band_3_count; /* abs.ofs: 254 */ struct il_eeprom_channel band_3_channels[12]; /* abs.ofs: 256 */ /* * 5.5 GHz channels 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140 * (5500-5700MHz) */ u16 band_4_count; /* abs.ofs: 280 */ struct il_eeprom_channel band_4_channels[11]; /* abs.ofs: 282 */ /* * 5.7 GHz channels 145, 149, 153, 157, 161, 165 * (5725-5825MHz) */ u16 band_5_count; /* abs.ofs: 304 */ struct il_eeprom_channel band_5_channels[6]; /* abs.ofs: 306 */ u8 reserved9[194]; /* * 3945 Txpower calibration data. */ #define IL_NUM_TX_CALIB_GROUPS 5 struct il3945_eeprom_txpower_group groups[IL_NUM_TX_CALIB_GROUPS]; /* abs.ofs: 512 */ struct il3945_eeprom_temperature_corr corrections; /* abs.ofs: 832 */ u8 reserved16[172]; /* fill out to full 1024 byte block */ } __packed; #define IL3945_EEPROM_IMG_SIZE 1024 /* End of EEPROM */ #define PCI_CFG_REV_ID_BIT_BASIC_SKU (0x40) /* bit 6 */ #define PCI_CFG_REV_ID_BIT_RTP (0x80) /* bit 7 */ /* 4 DATA + 1 CMD. There are 2 HCCA queues that are not used. */ #define IL39_NUM_QUEUES 5 #define IL39_CMD_QUEUE_NUM 4 #define IL_DEFAULT_TX_RETRY 15 /*********************************************/ #define RFD_SIZE 4 #define NUM_TFD_CHUNKS 4 #define TFD_CTL_COUNT_SET(n) (n << 24) #define TFD_CTL_COUNT_GET(ctl) ((ctl >> 24) & 7) #define TFD_CTL_PAD_SET(n) (n << 28) #define TFD_CTL_PAD_GET(ctl) (ctl >> 28) /* Sizes and addresses for instruction and data memory (SRAM) in * 3945's embedded processor. Driver access is via HBUS_TARG_MEM_* regs. */ #define IL39_RTC_INST_LOWER_BOUND (0x000000) #define IL39_RTC_INST_UPPER_BOUND (0x014000) #define IL39_RTC_DATA_LOWER_BOUND (0x800000) #define IL39_RTC_DATA_UPPER_BOUND (0x808000) #define IL39_RTC_INST_SIZE (IL39_RTC_INST_UPPER_BOUND - \ IL39_RTC_INST_LOWER_BOUND) #define IL39_RTC_DATA_SIZE (IL39_RTC_DATA_UPPER_BOUND - \ IL39_RTC_DATA_LOWER_BOUND) #define IL39_MAX_INST_SIZE IL39_RTC_INST_SIZE #define IL39_MAX_DATA_SIZE IL39_RTC_DATA_SIZE /* Size of uCode instruction memory in bootstrap state machine */ #define IL39_MAX_BSM_SIZE IL39_RTC_INST_SIZE static inline int il3945_hw_valid_rtc_data_addr(u32 addr) { return (addr >= IL39_RTC_DATA_LOWER_BOUND && addr < IL39_RTC_DATA_UPPER_BOUND); } /* Base physical address of il3945_shared is provided to FH39_TSSR_CBB_BASE * and &il3945_shared.rx_read_ptr[0] is provided to FH39_RCSR_RPTR_ADDR(0) */ struct il3945_shared { __le32 tx_base_ptr[8]; } __packed; /************************************/ /* iwl3945 Flow Handler Definitions */ /************************************/ /** * This I/O area is directly read/writable by driver (e.g. Linux uses writel()) * Addresses are offsets from device's PCI hardware base address. */ #define FH39_MEM_LOWER_BOUND (0x0800) #define FH39_MEM_UPPER_BOUND (0x1000) #define FH39_CBCC_TBL (FH39_MEM_LOWER_BOUND + 0x140) #define FH39_TFDB_TBL (FH39_MEM_LOWER_BOUND + 0x180) #define FH39_RCSR_TBL (FH39_MEM_LOWER_BOUND + 0x400) #define FH39_RSSR_TBL (FH39_MEM_LOWER_BOUND + 0x4c0) #define FH39_TCSR_TBL (FH39_MEM_LOWER_BOUND + 0x500) #define FH39_TSSR_TBL (FH39_MEM_LOWER_BOUND + 0x680) /* TFDB (Transmit Frame Buffer Descriptor) */ #define FH39_TFDB(_ch, buf) (FH39_TFDB_TBL + \ ((_ch) * 2 + (buf)) * 0x28) #define FH39_TFDB_CHNL_BUF_CTRL_REG(_ch) (FH39_TFDB_TBL + 0x50 * (_ch)) /* CBCC channel is [0,2] */ #define FH39_CBCC(_ch) (FH39_CBCC_TBL + (_ch) * 0x8) #define FH39_CBCC_CTRL(_ch) (FH39_CBCC(_ch) + 0x00) #define FH39_CBCC_BASE(_ch) (FH39_CBCC(_ch) + 0x04) /* RCSR channel is [0,2] */ #define FH39_RCSR(_ch) (FH39_RCSR_TBL + (_ch) * 0x40) #define FH39_RCSR_CONFIG(_ch) (FH39_RCSR(_ch) + 0x00) #define FH39_RCSR_RBD_BASE(_ch) (FH39_RCSR(_ch) + 0x04) #define FH39_RCSR_WPTR(_ch) (FH39_RCSR(_ch) + 0x20) #define FH39_RCSR_RPTR_ADDR(_ch) (FH39_RCSR(_ch) + 0x24) #define FH39_RSCSR_CHNL0_WPTR (FH39_RCSR_WPTR(0)) /* RSSR */ #define FH39_RSSR_CTRL (FH39_RSSR_TBL + 0x000) #define FH39_RSSR_STATUS (FH39_RSSR_TBL + 0x004) /* TCSR */ #define FH39_TCSR(_ch) (FH39_TCSR_TBL + (_ch) * 0x20) #define FH39_TCSR_CONFIG(_ch) (FH39_TCSR(_ch) + 0x00) #define FH39_TCSR_CREDIT(_ch) (FH39_TCSR(_ch) + 0x04) #define FH39_TCSR_BUFF_STTS(_ch) (FH39_TCSR(_ch) + 0x08) /* TSSR */ #define FH39_TSSR_CBB_BASE (FH39_TSSR_TBL + 0x000) #define FH39_TSSR_MSG_CONFIG (FH39_TSSR_TBL + 0x008) #define FH39_TSSR_TX_STATUS (FH39_TSSR_TBL + 0x010) /* DBM */ #define FH39_SRVC_CHNL (6) #define FH39_RCSR_RX_CONFIG_REG_POS_RBDC_SIZE (20) #define FH39_RCSR_RX_CONFIG_REG_POS_IRQ_RBTH (4) #define FH39_RCSR_RX_CONFIG_REG_BIT_WR_STTS_EN (0x08000000) #define FH39_RCSR_RX_CONFIG_REG_VAL_DMA_CHNL_EN_ENABLE (0x80000000) #define FH39_RCSR_RX_CONFIG_REG_VAL_RDRBD_EN_ENABLE (0x20000000) #define FH39_RCSR_RX_CONFIG_REG_VAL_MAX_FRAG_SIZE_128 (0x01000000) #define FH39_RCSR_RX_CONFIG_REG_VAL_IRQ_DEST_INT_HOST (0x00001000) #define FH39_RCSR_RX_CONFIG_REG_VAL_MSG_MODE_FH (0x00000000) #define FH39_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_TXF (0x00000000) #define FH39_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_DRIVER (0x00000001) #define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE_VAL (0x00000000) #define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE_VAL (0x00000008) #define FH39_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_IFTFD (0x00200000) #define FH39_TCSR_TX_CONFIG_REG_VAL_CIRQ_RTC_NOINT (0x00000000) #define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE (0x00000000) #define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE (0x80000000) #define FH39_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID (0x00004000) #define FH39_TCSR_CHNL_TX_BUF_STS_REG_BIT_TFDB_WPTR (0x00000001) #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_SNOOP_RD_TXPD_ON (0xFF000000) #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RD_TXPD_ON (0x00FF0000) #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_MAX_FRAG_SIZE_128B (0x00000400) #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_SNOOP_RD_TFD_ON (0x00000100) #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RD_CBB_ON (0x00000080) #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RSP_WAIT_TH (0x00000020) #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_RSP_WAIT_TH (0x00000005) #define FH39_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_ch) (BIT(_ch) << 24) #define FH39_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_ch) (BIT(_ch) << 16) #define FH39_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(_ch) \ (FH39_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_ch) | \ FH39_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_ch)) #define FH39_RSSR_CHNL0_RX_STATUS_CHNL_IDLE (0x01000000) struct il3945_tfd_tb { __le32 addr; __le32 len; } __packed; struct il3945_tfd { __le32 control_flags; struct il3945_tfd_tb tbs[4]; u8 __pad[28]; } __packed; #ifdef CONFIG_IWLEGACY_DEBUGFS extern const struct il_debugfs_ops il3945_debugfs_ops; #endif #endif