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  */
37 #define BRCMF_FEAT_LIST \
38 	BRCMF_FEAT_DEF(MBSS) \
39 	BRCMF_FEAT_DEF(MCHAN) \
40 	BRCMF_FEAT_DEF(PNO) \
41 	BRCMF_FEAT_DEF(WOWL) \
42 	BRCMF_FEAT_DEF(P2P) \
43 	BRCMF_FEAT_DEF(RSDB) \
44 	BRCMF_FEAT_DEF(TDLS) \
45 	BRCMF_FEAT_DEF(SCAN_RANDOM_MAC) \
46 	BRCMF_FEAT_DEF(WOWL_ND) \
47 	BRCMF_FEAT_DEF(WOWL_GTK) \
48 	BRCMF_FEAT_DEF(WOWL_ARP_ND) \
49 	BRCMF_FEAT_DEF(MFP) \
50 	BRCMF_FEAT_DEF(GSCAN) \
51 	BRCMF_FEAT_DEF(FWSUP)
52 
53 /*
54  * Quirks:
55  *
56  * AUTO_AUTH: workaround needed for automatic authentication type.
57  * NEED_MPC: driver needs to disable MPC during scanning operation.
58  */
59 #define BRCMF_QUIRK_LIST \
60 	BRCMF_QUIRK_DEF(AUTO_AUTH) \
61 	BRCMF_QUIRK_DEF(NEED_MPC)
62 
63 #define BRCMF_FEAT_DEF(_f) \
64 	BRCMF_FEAT_ ## _f,
65 /*
66  * expand feature list to enumeration.
67  */
68 enum brcmf_feat_id {
69 	BRCMF_FEAT_LIST
70 	BRCMF_FEAT_LAST
71 };
72 #undef BRCMF_FEAT_DEF
73 
74 #define BRCMF_QUIRK_DEF(_q) \
75 	BRCMF_FEAT_QUIRK_ ## _q,
76 /*
77  * expand quirk list to enumeration.
78  */
79 enum brcmf_feat_quirk {
80 	BRCMF_QUIRK_LIST
81 	BRCMF_FEAT_QUIRK_LAST
82 };
83 #undef BRCMF_QUIRK_DEF
84 
85 /**
86  * brcmf_feat_attach() - determine features and quirks.
87  *
88  * @drvr: driver instance.
89  */
90 void brcmf_feat_attach(struct brcmf_pub *drvr);
91 
92 /**
93  * brcmf_feat_is_enabled() - query feature.
94  *
95  * @ifp: interface instance.
96  * @id: feature id to check.
97  *
98  * Return: true is feature is enabled; otherwise false.
99  */
100 bool brcmf_feat_is_enabled(struct brcmf_if *ifp, enum brcmf_feat_id id);
101 
102 /**
103  * brcmf_feat_is_quirk_enabled() - query chip quirk.
104  *
105  * @ifp: interface instance.
106  * @quirk: quirk id to check.
107  *
108  * Return: true is quirk is enabled; otherwise false.
109  */
110 bool brcmf_feat_is_quirk_enabled(struct brcmf_if *ifp,
111 				 enum brcmf_feat_quirk quirk);
112 
113 #endif /* _BRCMF_FEATURE_H */
114