/* SPDX-License-Identifier: GPL-2.0-only */
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/******************************************************************************
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*
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* Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
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*
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* Contact Information:
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* Intel Linux Wireless <ilw@linux.intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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*****************************************************************************/
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#ifndef __il_3945_h__
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#define __il_3945_h__
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#include <linux/pci.h> /* for struct pci_device_id */
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#include <linux/kernel.h>
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#include <net/ieee80211_radiotap.h>
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/* Hardware specific file defines the PCI IDs table for that hardware module */
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extern const struct pci_device_id il3945_hw_card_ids[];
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#include "common.h"
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extern const struct il_ops il3945_ops;
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/* Highest firmware API version supported */
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#define IL3945_UCODE_API_MAX 2
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/* Lowest firmware API version supported */
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#define IL3945_UCODE_API_MIN 1
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#define IL3945_FW_PRE "iwlwifi-3945-"
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#define _IL3945_MODULE_FIRMWARE(api) IL3945_FW_PRE #api ".ucode"
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#define IL3945_MODULE_FIRMWARE(api) _IL3945_MODULE_FIRMWARE(api)
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/* Default noise level to report when noise measurement is not available.
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* This may be because we're:
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* 1) Not associated (4965, no beacon stats being sent to driver)
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* 2) Scanning (noise measurement does not apply to associated channel)
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* 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
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* Use default noise value of -127 ... this is below the range of measurable
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* Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
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* Also, -127 works better than 0 when averaging frames with/without
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* noise info (e.g. averaging might be done in app); measured dBm values are
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* always negative ... using a negative value as the default keeps all
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* averages within an s8's (used in some apps) range of negative values. */
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#define IL_NOISE_MEAS_NOT_AVAILABLE (-127)
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/* Module parameters accessible from iwl-*.c */
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extern struct il_mod_params il3945_mod_params;
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struct il3945_rate_scale_data {
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u64 data;
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s32 success_counter;
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s32 success_ratio;
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s32 counter;
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s32 average_tpt;
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unsigned long stamp;
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};
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struct il3945_rs_sta {
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spinlock_t lock;
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struct il_priv *il;
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s32 *expected_tpt;
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unsigned long last_partial_flush;
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unsigned long last_flush;
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u32 flush_time;
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u32 last_tx_packets;
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u32 tx_packets;
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u8 tgg;
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u8 flush_pending;
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u8 start_rate;
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struct timer_list rate_scale_flush;
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struct il3945_rate_scale_data win[RATE_COUNT_3945];
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/* used to be in sta_info */
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int last_txrate_idx;
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};
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/*
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* The common struct MUST be first because it is shared between
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* 3945 and 4965!
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*/
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struct il3945_sta_priv {
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struct il_station_priv_common common;
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struct il3945_rs_sta rs_sta;
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};
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enum il3945_antenna {
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IL_ANTENNA_DIVERSITY,
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IL_ANTENNA_MAIN,
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IL_ANTENNA_AUX
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};
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/*
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* RTS threshold here is total size [2347] minus 4 FCS bytes
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* Per spec:
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* a value of 0 means RTS on all data/management packets
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* a value > max MSDU size means no RTS
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* else RTS for data/management frames where MPDU is larger
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* than RTS value.
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*/
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#define DEFAULT_RTS_THRESHOLD 2347U
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#define MIN_RTS_THRESHOLD 0U
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#define MAX_RTS_THRESHOLD 2347U
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#define MAX_MSDU_SIZE 2304U
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#define MAX_MPDU_SIZE 2346U
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#define DEFAULT_BEACON_INTERVAL 100U
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#define DEFAULT_SHORT_RETRY_LIMIT 7U
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#define DEFAULT_LONG_RETRY_LIMIT 4U
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#define IL_TX_FIFO_AC0 0
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#define IL_TX_FIFO_AC1 1
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#define IL_TX_FIFO_AC2 2
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#define IL_TX_FIFO_AC3 3
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#define IL_TX_FIFO_HCCA_1 5
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#define IL_TX_FIFO_HCCA_2 6
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#define IL_TX_FIFO_NONE 7
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#define IEEE80211_DATA_LEN 2304
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#define IEEE80211_4ADDR_LEN 30
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#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
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#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
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struct il3945_frame {
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union {
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struct ieee80211_hdr frame;
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struct il3945_tx_beacon_cmd beacon;
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u8 raw[IEEE80211_FRAME_LEN];
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u8 cmd[360];
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} u;
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struct list_head list;
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};
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#define SUP_RATE_11A_MAX_NUM_CHANNELS 8
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#define SUP_RATE_11B_MAX_NUM_CHANNELS 4
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#define SUP_RATE_11G_MAX_NUM_CHANNELS 12
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#define IL_SUPPORTED_RATES_IE_LEN 8
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#define SCAN_INTERVAL 100
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#define MAX_TID_COUNT 9
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#define IL_INVALID_RATE 0xFF
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#define IL_INVALID_VALUE -1
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#define STA_PS_STATUS_WAKE 0
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#define STA_PS_STATUS_SLEEP 1
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struct il3945_ibss_seq {
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u8 mac[ETH_ALEN];
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u16 seq_num;
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u16 frag_num;
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unsigned long packet_time;
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struct list_head list;
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};
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#define IL_RX_HDR(x) ((struct il3945_rx_frame_hdr *)(\
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x->u.rx_frame.stats.payload + \
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x->u.rx_frame.stats.phy_count))
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#define IL_RX_END(x) ((struct il3945_rx_frame_end *)(\
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IL_RX_HDR(x)->payload + \
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le16_to_cpu(IL_RX_HDR(x)->len)))
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#define IL_RX_STATS(x) (&x->u.rx_frame.stats)
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#define IL_RX_DATA(x) (IL_RX_HDR(x)->payload)
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/******************************************************************************
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*
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* Functions implemented in iwl3945-base.c which are forward declared here
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* for use by iwl-*.c
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*
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*****************************************************************************/
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int il3945_calc_db_from_ratio(int sig_ratio);
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void il3945_rx_replenish(void *data);
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void il3945_rx_queue_reset(struct il_priv *il, struct il_rx_queue *rxq);
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unsigned int il3945_fill_beacon_frame(struct il_priv *il,
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struct ieee80211_hdr *hdr, int left);
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int il3945_dump_nic_event_log(struct il_priv *il, bool full_log, char **buf,
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bool display);
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void il3945_dump_nic_error_log(struct il_priv *il);
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/******************************************************************************
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*
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* Functions implemented in iwl-[34]*.c which are forward declared here
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* for use by iwl3945-base.c
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*
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* NOTE: The implementation of these functions are hardware specific
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* which is why they are in the hardware specific files (vs. iwl-base.c)
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*
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* Naming convention --
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* il3945_ <-- Its part of iwlwifi (should be changed to il3945_)
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* il3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
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* iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
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* il3945_bg_ <-- Called from work queue context
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* il3945_mac_ <-- mac80211 callback
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*
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****************************************************************************/
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void il3945_hw_handler_setup(struct il_priv *il);
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void il3945_hw_setup_deferred_work(struct il_priv *il);
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void il3945_hw_cancel_deferred_work(struct il_priv *il);
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int il3945_hw_rxq_stop(struct il_priv *il);
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int il3945_hw_set_hw_params(struct il_priv *il);
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int il3945_hw_nic_init(struct il_priv *il);
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int il3945_hw_nic_stop_master(struct il_priv *il);
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void il3945_hw_txq_ctx_free(struct il_priv *il);
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void il3945_hw_txq_ctx_stop(struct il_priv *il);
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int il3945_hw_nic_reset(struct il_priv *il);
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int il3945_hw_txq_attach_buf_to_tfd(struct il_priv *il, struct il_tx_queue *txq,
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dma_addr_t addr, u16 len, u8 reset, u8 pad);
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void il3945_hw_txq_free_tfd(struct il_priv *il, struct il_tx_queue *txq);
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int il3945_hw_get_temperature(struct il_priv *il);
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int il3945_hw_tx_queue_init(struct il_priv *il, struct il_tx_queue *txq);
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unsigned int il3945_hw_get_beacon_cmd(struct il_priv *il,
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struct il3945_frame *frame, u8 rate);
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void il3945_hw_build_tx_cmd_rate(struct il_priv *il, struct il_device_cmd *cmd,
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struct ieee80211_tx_info *info,
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struct ieee80211_hdr *hdr, int sta_id);
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int il3945_hw_reg_send_txpower(struct il_priv *il);
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int il3945_hw_reg_set_txpower(struct il_priv *il, s8 power);
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void il3945_hdl_stats(struct il_priv *il, struct il_rx_buf *rxb);
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void il3945_hdl_c_stats(struct il_priv *il, struct il_rx_buf *rxb);
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void il3945_disable_events(struct il_priv *il);
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int il4965_get_temperature(const struct il_priv *il);
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void il3945_post_associate(struct il_priv *il);
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void il3945_config_ap(struct il_priv *il);
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int il3945_commit_rxon(struct il_priv *il);
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/**
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* il3945_hw_find_station - Find station id for a given BSSID
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* @bssid: MAC address of station ID to find
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*
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* NOTE: This should not be hardware specific but the code has
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* not yet been merged into a single common layer for managing the
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* station tables.
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*/
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u8 il3945_hw_find_station(struct il_priv *il, const u8 *bssid);
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__le32 il3945_get_antenna_flags(const struct il_priv *il);
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int il3945_init_hw_rate_table(struct il_priv *il);
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void il3945_reg_txpower_periodic(struct il_priv *il);
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int il3945_txpower_set_from_eeprom(struct il_priv *il);
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int il3945_rs_next_rate(struct il_priv *il, int rate);
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/* scanning */
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int il3945_request_scan(struct il_priv *il, struct ieee80211_vif *vif);
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void il3945_post_scan(struct il_priv *il);
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/* rates */
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extern const struct il3945_rate_info il3945_rates[RATE_COUNT_3945];
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/* RSSI to dBm */
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#define IL39_RSSI_OFFSET 95
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/*
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* EEPROM related constants, enums, and structures.
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*/
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#define EEPROM_SKU_CAP_OP_MODE_MRC (1 << 7)
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/*
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* Mapping of a Tx power level, at factory calibration temperature,
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* to a radio/DSP gain table idx.
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* One for each of 5 "sample" power levels in each band.
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* v_det is measured at the factory, using the 3945's built-in power amplifier
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* (PA) output voltage detector. This same detector is used during Tx of
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* long packets in normal operation to provide feedback as to proper output
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* level.
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* Data copied from EEPROM.
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* DO NOT ALTER THIS STRUCTURE!!!
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*/
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struct il3945_eeprom_txpower_sample {
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u8 gain_idx; /* idx into power (gain) setup table ... */
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s8 power; /* ... for this pwr level for this chnl group */
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u16 v_det; /* PA output voltage */
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} __packed;
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/*
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* Mappings of Tx power levels -> nominal radio/DSP gain table idxes.
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* One for each channel group (a.k.a. "band") (1 for BG, 4 for A).
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* Tx power setup code interpolates between the 5 "sample" power levels
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* to determine the nominal setup for a requested power level.
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* Data copied from EEPROM.
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* DO NOT ALTER THIS STRUCTURE!!!
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*/
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struct il3945_eeprom_txpower_group {
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struct il3945_eeprom_txpower_sample samples[5]; /* 5 power levels */
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s32 a, b, c, d, e; /* coefficients for voltage->power
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* formula (signed) */
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s32 Fa, Fb, Fc, Fd, Fe; /* these modify coeffs based on
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* frequency (signed) */
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s8 saturation_power; /* highest power possible by h/w in this
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* band */
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u8 group_channel; /* "representative" channel # in this band */
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s16 temperature; /* h/w temperature at factory calib this band
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* (signed) */
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} __packed;
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/*
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* Temperature-based Tx-power compensation data, not band-specific.
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* These coefficients are use to modify a/b/c/d/e coeffs based on
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* difference between current temperature and factory calib temperature.
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* Data copied from EEPROM.
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*/
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struct il3945_eeprom_temperature_corr {
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u32 Ta;
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u32 Tb;
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u32 Tc;
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u32 Td;
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u32 Te;
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} __packed;
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/*
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* EEPROM map
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*/
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struct il3945_eeprom {
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u8 reserved0[16];
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u16 device_id; /* abs.ofs: 16 */
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u8 reserved1[2];
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u16 pmc; /* abs.ofs: 20 */
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u8 reserved2[20];
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u8 mac_address[6]; /* abs.ofs: 42 */
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u8 reserved3[58];
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u16 board_revision; /* abs.ofs: 106 */
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u8 reserved4[11];
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u8 board_pba_number[9]; /* abs.ofs: 119 */
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u8 reserved5[8];
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u16 version; /* abs.ofs: 136 */
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u8 sku_cap; /* abs.ofs: 138 */
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u8 leds_mode; /* abs.ofs: 139 */
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u16 oem_mode;
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u16 wowlan_mode; /* abs.ofs: 142 */
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u16 leds_time_interval; /* abs.ofs: 144 */
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u8 leds_off_time; /* abs.ofs: 146 */
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u8 leds_on_time; /* abs.ofs: 147 */
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u8 almgor_m_version; /* abs.ofs: 148 */
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u8 antenna_switch_type; /* abs.ofs: 149 */
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u8 reserved6[42];
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u8 sku_id[4]; /* abs.ofs: 192 */
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/*
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* Per-channel regulatory data.
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*
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* Each channel that *might* be supported by 3945 has a fixed location
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* in EEPROM containing EEPROM_CHANNEL_* usage flags (LSB) and max regulatory
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* txpower (MSB).
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*
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* Entries immediately below are for 20 MHz channel width.
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*
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* 2.4 GHz channels 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
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*/
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u16 band_1_count; /* abs.ofs: 196 */
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struct il_eeprom_channel band_1_channels[14]; /* abs.ofs: 198 */
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/*
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* 4.9 GHz channels 183, 184, 185, 187, 188, 189, 192, 196,
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* 5.0 GHz channels 7, 8, 11, 12, 16
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* (4915-5080MHz) (none of these is ever supported)
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*/
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u16 band_2_count; /* abs.ofs: 226 */
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struct il_eeprom_channel band_2_channels[13]; /* abs.ofs: 228 */
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/*
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* 5.2 GHz channels 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64
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* (5170-5320MHz)
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*/
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u16 band_3_count; /* abs.ofs: 254 */
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struct il_eeprom_channel band_3_channels[12]; /* abs.ofs: 256 */
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/*
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* 5.5 GHz channels 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140
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* (5500-5700MHz)
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*/
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u16 band_4_count; /* abs.ofs: 280 */
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struct il_eeprom_channel band_4_channels[11]; /* abs.ofs: 282 */
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/*
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* 5.7 GHz channels 145, 149, 153, 157, 161, 165
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* (5725-5825MHz)
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*/
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u16 band_5_count; /* abs.ofs: 304 */
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struct il_eeprom_channel band_5_channels[6]; /* abs.ofs: 306 */
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u8 reserved9[194];
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/*
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* 3945 Txpower calibration data.
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*/
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#define IL_NUM_TX_CALIB_GROUPS 5
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struct il3945_eeprom_txpower_group groups[IL_NUM_TX_CALIB_GROUPS];
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/* abs.ofs: 512 */
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struct il3945_eeprom_temperature_corr corrections; /* abs.ofs: 832 */
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u8 reserved16[172]; /* fill out to full 1024 byte block */
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} __packed;
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#define IL3945_EEPROM_IMG_SIZE 1024
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/* End of EEPROM */
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#define PCI_CFG_REV_ID_BIT_BASIC_SKU (0x40) /* bit 6 */
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#define PCI_CFG_REV_ID_BIT_RTP (0x80) /* bit 7 */
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/* 4 DATA + 1 CMD. There are 2 HCCA queues that are not used. */
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#define IL39_NUM_QUEUES 5
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#define IL39_CMD_QUEUE_NUM 4
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#define IL_DEFAULT_TX_RETRY 15
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/*********************************************/
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#define RFD_SIZE 4
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#define NUM_TFD_CHUNKS 4
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#define TFD_CTL_COUNT_SET(n) (n << 24)
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#define TFD_CTL_COUNT_GET(ctl) ((ctl >> 24) & 7)
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#define TFD_CTL_PAD_SET(n) (n << 28)
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#define TFD_CTL_PAD_GET(ctl) (ctl >> 28)
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/* Sizes and addresses for instruction and data memory (SRAM) in
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* 3945's embedded processor. Driver access is via HBUS_TARG_MEM_* regs. */
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#define IL39_RTC_INST_LOWER_BOUND (0x000000)
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#define IL39_RTC_INST_UPPER_BOUND (0x014000)
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#define IL39_RTC_DATA_LOWER_BOUND (0x800000)
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#define IL39_RTC_DATA_UPPER_BOUND (0x808000)
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#define IL39_RTC_INST_SIZE (IL39_RTC_INST_UPPER_BOUND - \
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IL39_RTC_INST_LOWER_BOUND)
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#define IL39_RTC_DATA_SIZE (IL39_RTC_DATA_UPPER_BOUND - \
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IL39_RTC_DATA_LOWER_BOUND)
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#define IL39_MAX_INST_SIZE IL39_RTC_INST_SIZE
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#define IL39_MAX_DATA_SIZE IL39_RTC_DATA_SIZE
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/* Size of uCode instruction memory in bootstrap state machine */
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#define IL39_MAX_BSM_SIZE IL39_RTC_INST_SIZE
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static inline int
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il3945_hw_valid_rtc_data_addr(u32 addr)
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{
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return (addr >= IL39_RTC_DATA_LOWER_BOUND &&
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addr < IL39_RTC_DATA_UPPER_BOUND);
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}
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/* Base physical address of il3945_shared is provided to FH39_TSSR_CBB_BASE
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* and &il3945_shared.rx_read_ptr[0] is provided to FH39_RCSR_RPTR_ADDR(0) */
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struct il3945_shared {
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__le32 tx_base_ptr[8];
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} __packed;
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/************************************/
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/* iwl3945 Flow Handler Definitions */
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/************************************/
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/**
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* This I/O area is directly read/writable by driver (e.g. Linux uses writel())
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* Addresses are offsets from device's PCI hardware base address.
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*/
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#define FH39_MEM_LOWER_BOUND (0x0800)
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#define FH39_MEM_UPPER_BOUND (0x1000)
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#define FH39_CBCC_TBL (FH39_MEM_LOWER_BOUND + 0x140)
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#define FH39_TFDB_TBL (FH39_MEM_LOWER_BOUND + 0x180)
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#define FH39_RCSR_TBL (FH39_MEM_LOWER_BOUND + 0x400)
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#define FH39_RSSR_TBL (FH39_MEM_LOWER_BOUND + 0x4c0)
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#define FH39_TCSR_TBL (FH39_MEM_LOWER_BOUND + 0x500)
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#define FH39_TSSR_TBL (FH39_MEM_LOWER_BOUND + 0x680)
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/* TFDB (Transmit Frame Buffer Descriptor) */
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#define FH39_TFDB(_ch, buf) (FH39_TFDB_TBL + \
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((_ch) * 2 + (buf)) * 0x28)
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#define FH39_TFDB_CHNL_BUF_CTRL_REG(_ch) (FH39_TFDB_TBL + 0x50 * (_ch))
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/* CBCC channel is [0,2] */
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#define FH39_CBCC(_ch) (FH39_CBCC_TBL + (_ch) * 0x8)
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#define FH39_CBCC_CTRL(_ch) (FH39_CBCC(_ch) + 0x00)
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#define FH39_CBCC_BASE(_ch) (FH39_CBCC(_ch) + 0x04)
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/* RCSR channel is [0,2] */
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#define FH39_RCSR(_ch) (FH39_RCSR_TBL + (_ch) * 0x40)
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#define FH39_RCSR_CONFIG(_ch) (FH39_RCSR(_ch) + 0x00)
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#define FH39_RCSR_RBD_BASE(_ch) (FH39_RCSR(_ch) + 0x04)
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#define FH39_RCSR_WPTR(_ch) (FH39_RCSR(_ch) + 0x20)
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#define FH39_RCSR_RPTR_ADDR(_ch) (FH39_RCSR(_ch) + 0x24)
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#define FH39_RSCSR_CHNL0_WPTR (FH39_RCSR_WPTR(0))
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/* RSSR */
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#define FH39_RSSR_CTRL (FH39_RSSR_TBL + 0x000)
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#define FH39_RSSR_STATUS (FH39_RSSR_TBL + 0x004)
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/* TCSR */
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#define FH39_TCSR(_ch) (FH39_TCSR_TBL + (_ch) * 0x20)
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#define FH39_TCSR_CONFIG(_ch) (FH39_TCSR(_ch) + 0x00)
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#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)
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#define FH39_TSSR_MSG_CONFIG (FH39_TSSR_TBL + 0x008)
|
#define FH39_TSSR_TX_STATUS (FH39_TSSR_TBL + 0x010)
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/* DBM */
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#define FH39_SRVC_CHNL (6)
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|
#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)
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#define FH39_RCSR_RX_CONFIG_REG_VAL_RDRBD_EN_ENABLE (0x20000000)
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#define FH39_RCSR_RX_CONFIG_REG_VAL_MAX_FRAG_SIZE_128 (0x01000000)
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#define FH39_RCSR_RX_CONFIG_REG_VAL_IRQ_DEST_INT_HOST (0x00001000)
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#define FH39_RCSR_RX_CONFIG_REG_VAL_MSG_MODE_FH (0x00000000)
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#define FH39_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_TXF (0x00000000)
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#define FH39_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_DRIVER (0x00000001)
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#define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE_VAL (0x00000000)
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#define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE_VAL (0x00000008)
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#define FH39_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_IFTFD (0x00200000)
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#define FH39_TCSR_TX_CONFIG_REG_VAL_CIRQ_RTC_NOINT (0x00000000)
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#define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE (0x00000000)
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#define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE (0x80000000)
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#define FH39_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID (0x00004000)
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#define FH39_TCSR_CHNL_TX_BUF_STS_REG_BIT_TFDB_WPTR (0x00000001)
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#define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_SNOOP_RD_TXPD_ON (0xFF000000)
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#define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RD_TXPD_ON (0x00FF0000)
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#define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_MAX_FRAG_SIZE_128B (0x00000400)
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#define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_SNOOP_RD_TFD_ON (0x00000100)
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#define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RD_CBB_ON (0x00000080)
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#define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RSP_WAIT_TH (0x00000020)
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#define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_RSP_WAIT_TH (0x00000005)
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#define FH39_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_ch) (BIT(_ch) << 24)
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#define FH39_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_ch) (BIT(_ch) << 16)
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#define FH39_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(_ch) \
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(FH39_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_ch) | \
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FH39_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_ch))
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#define FH39_RSSR_CHNL0_RX_STATUS_CHNL_IDLE (0x01000000)
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struct il3945_tfd_tb {
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__le32 addr;
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__le32 len;
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} __packed;
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struct il3945_tfd {
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__le32 control_flags;
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struct il3945_tfd_tb tbs[4];
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u8 __pad[28];
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} __packed;
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#ifdef CONFIG_IWLEGACY_DEBUGFS
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extern const struct il_debugfs_ops il3945_debugfs_ops;
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#endif
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#endif
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