diff options
| author | Simon Wunderlich <simon.wunderlich@s2003.tu-chemnitz.de> | 2013-08-28 13:41:29 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-09-26 13:27:13 +0200 |
| commit | e6b7cde4d3e155f118b81f1f62f86554c529083a (patch) | |
| tree | f7d4b6a41f03d286feb3b1daab02d2e8c8c92bc3 /net/mac80211/ieee80211_i.h | |
| parent | 774f073461dbee0decee7524d9b930a98a3dc30c (diff) | |
| download | lwn-e6b7cde4d3e155f118b81f1f62f86554c529083a.tar.gz lwn-e6b7cde4d3e155f118b81f1f62f86554c529083a.zip | |
mac80211: split off channel switch parsing function
The channel switch parsing function can be re-used for the IBSS code,
put the common part into an extra function.
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
[also move/rename chandef_downgrade]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/ieee80211_i.h')
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index d353c6462d0f..7f0e6da8e6f8 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1480,6 +1480,29 @@ void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata, void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt, size_t len); +/** + * ieee80211_parse_ch_switch_ie - parses channel switch IEs + * @sdata: the sdata of the interface which has received the frame + * @elems: parsed 802.11 elements received with the frame + * @beacon: indicates if the frame was a beacon or probe response + * @current_band: indicates the current band + * @sta_flags: contains information about own capabilities and restrictions + * to decide which channel switch announcements can be accepted. Only the + * following subset of &enum ieee80211_sta_flags are evaluated: + * %IEEE80211_STA_DISABLE_HT, %IEEE80211_STA_DISABLE_VHT, + * %IEEE80211_STA_DISABLE_40MHZ, %IEEE80211_STA_DISABLE_80P80MHZ, + * %IEEE80211_STA_DISABLE_160MHZ. + * @count: to be filled with the counter until the switch (on success only) + * @bssid: the currently connected bssid (for reporting) + * @mode: to be filled with CSA mode (on success only) + * @new_chandef: to be filled with destination chandef (on success only) + * Return: 0 on success, <0 on error and >0 if there is nothing to parse. + */ +int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata, + struct ieee802_11_elems *elems, bool beacon, + enum ieee80211_band current_band, + u32 sta_flags, u8 *bssid, u8 *count, u8 *mode, + struct cfg80211_chan_def *new_chandef); /* Suspend/resume and hw reconfiguration */ int ieee80211_reconfig(struct ieee80211_local *local); @@ -1653,6 +1676,7 @@ int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan, const struct ieee80211_ht_operation *ht_oper, struct cfg80211_chan_def *chandef); +u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c); int __must_check ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, |