1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /*
3  * Copyright (C) 2005-2014, 2018-2020 Intel Corporation
4  */
5 #ifndef __iwl_modparams_h__
6 #define __iwl_modparams_h__
7 
8 #include <linux/types.h>
9 #include <linux/spinlock.h>
10 #include <linux/gfp.h>
11 
12 extern struct iwl_mod_params iwlwifi_mod_params;
13 
14 enum iwl_power_level {
15 	IWL_POWER_INDEX_1,
16 	IWL_POWER_INDEX_2,
17 	IWL_POWER_INDEX_3,
18 	IWL_POWER_INDEX_4,
19 	IWL_POWER_INDEX_5,
20 	IWL_POWER_NUM
21 };
22 
23 enum iwl_disable_11n {
24 	IWL_DISABLE_HT_ALL	 = BIT(0),
25 	IWL_DISABLE_HT_TXAGG	 = BIT(1),
26 	IWL_DISABLE_HT_RXAGG	 = BIT(2),
27 	IWL_ENABLE_HT_TXAGG	 = BIT(3),
28 };
29 
30 enum iwl_amsdu_size {
31 	IWL_AMSDU_DEF = 0,
32 	IWL_AMSDU_4K = 1,
33 	IWL_AMSDU_8K = 2,
34 	IWL_AMSDU_12K = 3,
35 	/* Add 2K at the end to avoid breaking current API */
36 	IWL_AMSDU_2K = 4,
37 };
38 
39 enum iwl_uapsd_disable {
40 	IWL_DISABLE_UAPSD_BSS		= BIT(0),
41 	IWL_DISABLE_UAPSD_P2P_CLIENT	= BIT(1),
42 };
43 
44 /**
45  * struct iwl_mod_params
46  *
47  * Holds the module parameters
48  *
49  * @swcrypto: using hardware encryption, default = 0
50  * @disable_11n: disable 11n capabilities, default = 0,
51  *	use IWL_[DIS,EN]ABLE_HT_* constants
52  * @amsdu_size: See &enum iwl_amsdu_size.
53  * @fw_restart: restart firmware, default = 1
54  * @bt_coex_active: enable bt coex, default = true
55  * @led_mode: system default, default = 0
56  * @power_save: enable power save, default = false
57  * @power_level: power level, default = 1
58  * @debug_level: levels are IWL_DL_*
59  * @nvm_file: specifies a external NVM file
60  * @uapsd_disable: disable U-APSD, see &enum iwl_uapsd_disable, default =
61  *	IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT
62  * @disable_11ac: disable VHT capabilities, default = false.
63  * @remove_when_gone: remove an inaccessible device from the PCIe bus.
64  * @enable_ini: enable new FW debug infratructure (INI TLVs)
65  */
66 struct iwl_mod_params {
67 	int swcrypto;
68 	unsigned int disable_11n;
69 	int amsdu_size;
70 	bool fw_restart;
71 	bool bt_coex_active;
72 	int led_mode;
73 	bool power_save;
74 	int power_level;
75 #ifdef CONFIG_IWLWIFI_DEBUG
76 	u32 debug_level;
77 #endif
78 	char *nvm_file;
79 	u32 uapsd_disable;
80 	bool disable_11ac;
81 	/**
82 	 * @disable_11ax: disable HE capabilities, default = false
83 	 */
84 	bool disable_11ax;
85 	bool remove_when_gone;
86 	bool enable_ini;
87 };
88 
89 static inline bool iwl_enable_rx_ampdu(void)
90 {
91 	if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG)
92 		return false;
93 	return true;
94 }
95 
96 static inline bool iwl_enable_tx_ampdu(void)
97 {
98 	if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG)
99 		return false;
100 	if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG)
101 		return true;
102 
103 	/* enabled by default */
104 	return true;
105 }
106 
107 #endif /* #__iwl_modparams_h__ */
108