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Make channel switch started event available over control interface

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This makes it easier to upper layer components to manage operating
channels in cases where the same radio is shared for both station and AP
mode virtual interfaces.

Signed-off-by: Omer Dagan <omer.dagan@tandemg.com>
This commit is contained in:
Omer Dagan 2019-04-08 06:44:57 +00:00 • committed by Jouni Malinen
parent 9c95124418
commit 95f556f3c7
9 changed files with 67 additions and 14 deletions
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22
src/drivers/driver_nl80211_event.c
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@ -534,7 +534,8 @@ static int calculate_chan_offset(int width, int freq, int cf1, int cf2)
static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
struct nlattr *ifindex, struct nlattr *freq,
struct nlattr *type, struct nlattr *bw,
struct nlattr *cf1, struct nlattr *cf2)
struct nlattr *cf1, struct nlattr *cf2,
int finished)
{
struct i802_bss *bss;
union wpa_event_data data;
@ -542,7 +543,8 @@ static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
int chan_offset = 0;
int ifidx;
wpa_printf(MSG_DEBUG, "nl80211: Channel switch event");
wpa_printf(MSG_DEBUG, "nl80211: Channel switch%s event",
finished ? "" : " started");
if (!freq)
return;
@ -596,7 +598,8 @@ static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
bss->freq = data.ch_switch.freq;
drv->assoc_freq = data.ch_switch.freq;
wpa_supplicant_event(bss->ctx, EVENT_CH_SWITCH, &data);
wpa_supplicant_event(bss->ctx, finished ?
EVENT_CH_SWITCH : EVENT_CH_SWITCH_STARTED, &data);
}
@ -2508,6 +2511,16 @@ static void do_process_drv_event(struct i802_bss *bss, int cmd,
tb[NL80211_ATTR_PMK],
tb[NL80211_ATTR_PMKID]);
break;
case NL80211_CMD_CH_SWITCH_STARTED_NOTIFY:
mlme_event_ch_switch(drv,
tb[NL80211_ATTR_IFINDEX],
tb[NL80211_ATTR_WIPHY_FREQ],
tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
tb[NL80211_ATTR_CHANNEL_WIDTH],
tb[NL80211_ATTR_CENTER_FREQ1],
tb[NL80211_ATTR_CENTER_FREQ2],
0);
break;
case NL80211_CMD_CH_SWITCH_NOTIFY:
mlme_event_ch_switch(drv,
tb[NL80211_ATTR_IFINDEX],
@ -2515,7 +2528,8 @@ static void do_process_drv_event(struct i802_bss *bss, int cmd,
tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
tb[NL80211_ATTR_CHANNEL_WIDTH],
tb[NL80211_ATTR_CENTER_FREQ1],
tb[NL80211_ATTR_CENTER_FREQ2]);
tb[NL80211_ATTR_CENTER_FREQ2],
1);
break;
case NL80211_CMD_DISCONNECT:
mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE],