1 /*
2  * Copyright (c) 2014 Broadcom Corporation
3  *
4  * Permission to use, copy, modify, and/or distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 #ifndef _BRCMF_FEATURE_H
17 #define _BRCMF_FEATURE_H
18 
19 /*
20  * Features:
21  *
22  * MBSS: multiple BSSID support (eg. guest network in AP mode).
23  * MCHAN: multi-channel for concurrent P2P.
24  * PNO: preferred network offload.
25  * WOWL: Wake-On-WLAN.
26  * P2P: peer-to-peer
27  * RSDB: Real Simultaneous Dual Band
28  * TDLS: Tunneled Direct Link Setup
29  * SCAN_RANDOM_MAC: Random MAC during (net detect) scheduled scan.
30  * WOWL_ND: WOWL net detect (PNO)
31  * WOWL_GTK: (WOWL) GTK rekeying offload
32  * WOWL_ARP_ND: ARP and Neighbor Discovery offload support during WOWL.
33  * MFP: 802.11w Management Frame Protection.
34  * GSCAN: enhanced scan offload feature.
35  * FWSUP: Firmware supplicant.
36  * MONITOR: firmware can pass monitor packets to host.
37  * MONITOR_FMT_RADIOTAP: firmware provides monitor packets with radiotap header
38  * MONITOR_FMT_HW_RX_HDR: firmware provides monitor packets with hw/ucode header
39  */
40 #define BRCMF_FEAT_LIST \
41 	BRCMF_FEAT_DEF(MBSS) \
42 	BRCMF_FEAT_DEF(MCHAN) \
43 	BRCMF_FEAT_DEF(PNO) \
44 	BRCMF_FEAT_DEF(WOWL) \
45 	BRCMF_FEAT_DEF(P2P) \
46 	BRCMF_FEAT_DEF(RSDB) \
47 	BRCMF_FEAT_DEF(TDLS) \
48 	BRCMF_FEAT_DEF(SCAN_RANDOM_MAC) \
49 	BRCMF_FEAT_DEF(WOWL_ND) \
50 	BRCMF_FEAT_DEF(WOWL_GTK) \
51 	BRCMF_FEAT_DEF(WOWL_ARP_ND) \
52 	BRCMF_FEAT_DEF(MFP) \
53 	BRCMF_FEAT_DEF(GSCAN) \
54 	BRCMF_FEAT_DEF(FWSUP) \
55 	BRCMF_FEAT_DEF(MONITOR) \
56 	BRCMF_FEAT_DEF(MONITOR_FMT_RADIOTAP) \
57 	BRCMF_FEAT_DEF(MONITOR_FMT_HW_RX_HDR)
58 
59 /*
60  * Quirks:
61  *
62  * AUTO_AUTH: workaround needed for automatic authentication type.
63  * NEED_MPC: driver needs to disable MPC during scanning operation.
64  */
65 #define BRCMF_QUIRK_LIST \
66 	BRCMF_QUIRK_DEF(AUTO_AUTH) \
67 	BRCMF_QUIRK_DEF(NEED_MPC)
68 
69 #define BRCMF_FEAT_DEF(_f) \
70 	BRCMF_FEAT_ ## _f,
71 /*
72  * expand feature list to enumeration.
73  */
74 enum brcmf_feat_id {
75 	BRCMF_FEAT_LIST
76 	BRCMF_FEAT_LAST
77 };
78 #undef BRCMF_FEAT_DEF
79 
80 #define BRCMF_QUIRK_DEF(_q) \
81 	BRCMF_FEAT_QUIRK_ ## _q,
82 /*
83  * expand quirk list to enumeration.
84  */
85 enum brcmf_feat_quirk {
86 	BRCMF_QUIRK_LIST
87 	BRCMF_FEAT_QUIRK_LAST
88 };
89 #undef BRCMF_QUIRK_DEF
90 
91 /**
92  * brcmf_feat_attach() - determine features and quirks.
93  *
94  * @drvr: driver instance.
95  */
96 void brcmf_feat_attach(struct brcmf_pub *drvr);
97 
98 /**
99  * brcmf_feat_debugfs_create() - create debugfs entries.
100  *
101  * @drvr: driver instance.
102  */
103 void brcmf_feat_debugfs_create(struct brcmf_pub *drvr);
104 
105 /**
106  * brcmf_feat_is_enabled() - query feature.
107  *
108  * @ifp: interface instance.
109  * @id: feature id to check.
110  *
111  * Return: true is feature is enabled; otherwise false.
112  */
113 bool brcmf_feat_is_enabled(struct brcmf_if *ifp, enum brcmf_feat_id id);
114 
115 /**
116  * brcmf_feat_is_quirk_enabled() - query chip quirk.
117  *
118  * @ifp: interface instance.
119  * @quirk: quirk id to check.
120  *
121  * Return: true is quirk is enabled; otherwise false.
122  */
123 bool brcmf_feat_is_quirk_enabled(struct brcmf_if *ifp,
124 				 enum brcmf_feat_quirk quirk);
125 
126 #endif /* _BRCMF_FEATURE_H */
127