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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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ebee76f7fa
Unfortunately ath10k does not generally allow modifying the coverage class with the stock firmware and Qualcomm has so far refused to implement this feature so that it can be properly supported in ath10k. If we however know the registers that need to be modified for proper operation with a higher coverage class, then we can do these modifications from the driver. This is a hack and might cause subtle problems but as it's not enabled by default (only when user space changes the coverage class explicitly) it should not cause new problems for existing setups. But still this should be considered as an experimental feature and used with caution. This patch implements the support for first generation cards (QCA9880, QCA9887 and so on) which are based on a core that is similar to ath9k. The registers are modified in place and need to be re-written every time the firmware sets them. To achieve this the register status is verified after certain WMI events from the firmware. The coverage class may not be modified temporarily right after the card re-initializes the registers. This is for example the case during scanning. Thanks to Sebastian Gottschall <s.gottschall@dd-wrt.com> for initially working on a userspace support for this. This patch wouldn't have been possible without this documentation. Signed-off-by: Benjamin Berg <benjamin@sipsolutions.net> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fit.fraunhofer.de> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
217 lines
6.1 KiB
C
217 lines
6.1 KiB
C
/*
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* Copyright (c) 2005-2011 Atheros Communications Inc.
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* Copyright (c) 2011-2013 Qualcomm Atheros, Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _DEBUG_H_
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#define _DEBUG_H_
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#include <linux/types.h>
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#include "trace.h"
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enum ath10k_debug_mask {
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ATH10K_DBG_PCI = 0x00000001,
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ATH10K_DBG_WMI = 0x00000002,
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ATH10K_DBG_HTC = 0x00000004,
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ATH10K_DBG_HTT = 0x00000008,
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ATH10K_DBG_MAC = 0x00000010,
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ATH10K_DBG_BOOT = 0x00000020,
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ATH10K_DBG_PCI_DUMP = 0x00000040,
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ATH10K_DBG_HTT_DUMP = 0x00000080,
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ATH10K_DBG_MGMT = 0x00000100,
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ATH10K_DBG_DATA = 0x00000200,
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ATH10K_DBG_BMI = 0x00000400,
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ATH10K_DBG_REGULATORY = 0x00000800,
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ATH10K_DBG_TESTMODE = 0x00001000,
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ATH10K_DBG_WMI_PRINT = 0x00002000,
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ATH10K_DBG_PCI_PS = 0x00004000,
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ATH10K_DBG_AHB = 0x00008000,
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ATH10K_DBG_ANY = 0xffffffff,
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};
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enum ath10k_pktlog_filter {
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ATH10K_PKTLOG_RX = 0x000000001,
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ATH10K_PKTLOG_TX = 0x000000002,
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ATH10K_PKTLOG_RCFIND = 0x000000004,
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ATH10K_PKTLOG_RCUPDATE = 0x000000008,
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ATH10K_PKTLOG_DBG_PRINT = 0x000000010,
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ATH10K_PKTLOG_ANY = 0x00000001f,
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};
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enum ath10k_dbg_aggr_mode {
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ATH10K_DBG_AGGR_MODE_AUTO,
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ATH10K_DBG_AGGR_MODE_MANUAL,
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ATH10K_DBG_AGGR_MODE_MAX,
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};
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/* FIXME: How to calculate the buffer size sanely? */
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#define ATH10K_FW_STATS_BUF_SIZE (1024 * 1024)
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extern unsigned int ath10k_debug_mask;
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__printf(2, 3) void ath10k_info(struct ath10k *ar, const char *fmt, ...);
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__printf(2, 3) void ath10k_err(struct ath10k *ar, const char *fmt, ...);
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__printf(2, 3) void ath10k_warn(struct ath10k *ar, const char *fmt, ...);
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void ath10k_debug_print_hwfw_info(struct ath10k *ar);
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void ath10k_debug_print_board_info(struct ath10k *ar);
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void ath10k_debug_print_boot_info(struct ath10k *ar);
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void ath10k_print_driver_info(struct ath10k *ar);
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#ifdef CONFIG_ATH10K_DEBUGFS
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int ath10k_debug_start(struct ath10k *ar);
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void ath10k_debug_stop(struct ath10k *ar);
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int ath10k_debug_create(struct ath10k *ar);
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void ath10k_debug_destroy(struct ath10k *ar);
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int ath10k_debug_register(struct ath10k *ar);
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void ath10k_debug_unregister(struct ath10k *ar);
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void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb);
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void ath10k_debug_tpc_stats_process(struct ath10k *ar,
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struct ath10k_tpc_stats *tpc_stats);
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struct ath10k_fw_crash_data *
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ath10k_debug_get_new_fw_crash_data(struct ath10k *ar);
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void ath10k_debug_dbglog_add(struct ath10k *ar, u8 *buffer, int len);
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#define ATH10K_DFS_STAT_INC(ar, c) (ar->debug.dfs_stats.c++)
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void ath10k_debug_get_et_strings(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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u32 sset, u8 *data);
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int ath10k_debug_get_et_sset_count(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif, int sset);
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void ath10k_debug_get_et_stats(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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struct ethtool_stats *stats, u64 *data);
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static inline u64 ath10k_debug_get_fw_dbglog_mask(struct ath10k *ar)
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{
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return ar->debug.fw_dbglog_mask;
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}
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static inline u32 ath10k_debug_get_fw_dbglog_level(struct ath10k *ar)
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{
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return ar->debug.fw_dbglog_level;
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}
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#else
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static inline int ath10k_debug_start(struct ath10k *ar)
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{
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return 0;
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}
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static inline void ath10k_debug_stop(struct ath10k *ar)
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{
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}
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static inline int ath10k_debug_create(struct ath10k *ar)
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{
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return 0;
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}
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static inline void ath10k_debug_destroy(struct ath10k *ar)
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{
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}
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static inline int ath10k_debug_register(struct ath10k *ar)
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{
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return 0;
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}
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static inline void ath10k_debug_unregister(struct ath10k *ar)
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{
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}
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static inline void ath10k_debug_fw_stats_process(struct ath10k *ar,
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struct sk_buff *skb)
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{
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}
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static inline void ath10k_debug_tpc_stats_process(struct ath10k *ar,
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struct ath10k_tpc_stats *tpc_stats)
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{
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kfree(tpc_stats);
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}
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static inline void ath10k_debug_dbglog_add(struct ath10k *ar, u8 *buffer,
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int len)
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{
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}
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static inline struct ath10k_fw_crash_data *
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ath10k_debug_get_new_fw_crash_data(struct ath10k *ar)
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{
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return NULL;
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}
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static inline u64 ath10k_debug_get_fw_dbglog_mask(struct ath10k *ar)
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{
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return 0;
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}
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static inline u32 ath10k_debug_get_fw_dbglog_level(struct ath10k *ar)
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{
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return 0;
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}
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#define ATH10K_DFS_STAT_INC(ar, c) do { } while (0)
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#define ath10k_debug_get_et_strings NULL
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#define ath10k_debug_get_et_sset_count NULL
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#define ath10k_debug_get_et_stats NULL
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#endif /* CONFIG_ATH10K_DEBUGFS */
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#ifdef CONFIG_MAC80211_DEBUGFS
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void ath10k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
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struct ieee80211_sta *sta, struct dentry *dir);
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void ath10k_sta_update_rx_duration(struct ath10k *ar,
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struct ath10k_fw_stats *stats);
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void ath10k_sta_statistics(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
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struct ieee80211_sta *sta,
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struct station_info *sinfo);
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#else
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static inline
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void ath10k_sta_update_rx_duration(struct ath10k *ar,
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struct ath10k_fw_stats *stats)
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{
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}
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#endif /* CONFIG_MAC80211_DEBUGFS */
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#ifdef CONFIG_ATH10K_DEBUG
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__printf(3, 4) void ath10k_dbg(struct ath10k *ar,
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enum ath10k_debug_mask mask,
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const char *fmt, ...);
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void ath10k_dbg_dump(struct ath10k *ar,
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enum ath10k_debug_mask mask,
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const char *msg, const char *prefix,
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const void *buf, size_t len);
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#else /* CONFIG_ATH10K_DEBUG */
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static inline int ath10k_dbg(struct ath10k *ar,
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enum ath10k_debug_mask dbg_mask,
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const char *fmt, ...)
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{
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return 0;
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}
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static inline void ath10k_dbg_dump(struct ath10k *ar,
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enum ath10k_debug_mask mask,
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const char *msg, const char *prefix,
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const void *buf, size_t len)
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{
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}
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#endif /* CONFIG_ATH10K_DEBUG */
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#endif /* _DEBUG_H_ */
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