1STRUCT IEEE80211_CHA(9)       Device registration      STRUCT IEEE80211_CHA(9)
2
3
4

NAME

6       struct_ieee80211_channel - channel definition
7

SYNOPSIS

9       struct ieee80211_channel {
10         enum nl80211_band band;
11         u16 center_freq;
12         u16 hw_value;
13         u32 flags;
14         int max_antenna_gain;
15         int max_power;
16         int max_reg_power;
17         bool beacon_found;
18         u32 orig_flags;
19         int orig_mag;
20         int orig_mpwr;
21         enum nl80211_dfs_state dfs_state;
22         unsigned long dfs_state_entered;
23         unsigned int dfs_cac_ms;
24       };
25

MEMBERS

27       band
28           band this channel belongs to.
29
30       center_freq
31           center frequency in MHz
32
33       hw_value
34           hardware-specific value for the channel
35
36       flags
37           channel flags from enum ieee80211_channel_flags.
38
39       max_antenna_gain
40           maximum antenna gain in dBi
41
42       max_power
43           maximum transmission power (in dBm)
44
45       max_reg_power
46           maximum regulatory transmission power (in dBm)
47
48       beacon_found
49           helper to regulatory code to indicate when a beacon has been found
50           on this channel. Use regulatory_hint_found_beacon to enable this,
51           this is useful only on 5 GHz band.
52
53       orig_flags
54           channel flags at registration time, used by regulatory code to
55           support devices with additional restrictions
56
57       orig_mag
58           internal use
59
60       orig_mpwr
61           internal use
62
63       dfs_state
64           current state of this channel. Only relevant if radar is required
65           on this channel.
66
67       dfs_state_entered
68           timestamp (jiffies) when the dfs state was entered.
69
70       dfs_cac_ms
71           DFS CAC time in milliseconds, this is valid for DFS channels.
72

DESCRIPTION

74       This structure describes a single channel for use with cfg80211.
75

AUTHOR

77       Johannes Berg <johannes@sipsolutions.net>
78           Author.
79

81Kernel Hackers Manual 3.10         June 2019           STRUCT IEEE80211_CHA(9)
Impressum