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nl80211: Add driver events for radar detection

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This patch is based on the original work by Boris Presman and
Victor Goldenshtein. Channel Switch Announcement support has been
removed and event handling as well as channel set handling was
changed, among various other changes.

Cc: Boris Presman <boris.presman@ti.com>
Cc: Victor Goldenshtein <victorg@ti.com>
Signed-hostap: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
This commit is contained in:
Simon Wunderlich 2013-05-09 19:54:18 +03:00 • committed by Jouni Malinen
parent a7505b1775
commit 04be54fa09
3 changed files with 84 additions and 1 deletions
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40
src/drivers/driver_nl80211.c
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@ -2234,6 +2234,43 @@ static void nl80211_connect_failed_event(struct wpa_driver_nl80211_data *drv,
}
static void nl80211_radar_event(struct wpa_driver_nl80211_data *drv,
struct nlattr **tb)
{
union wpa_event_data data;
enum nl80211_radar_event event_type;
if (!tb[NL80211_ATTR_WIPHY_FREQ] || !tb[NL80211_ATTR_RADAR_EVENT])
return;
os_memset(&data, 0, sizeof(data));
data.dfs_event.freq = nla_get_u16(tb[NL80211_ATTR_WIPHY_FREQ]);
event_type = nla_get_u8(tb[NL80211_ATTR_RADAR_EVENT]);
wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz",
data.dfs_event.freq);
switch (event_type) {
case NL80211_RADAR_DETECTED:
wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
break;
case NL80211_RADAR_CAC_FINISHED:
wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
break;
case NL80211_RADAR_CAC_ABORTED:
wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
break;
case NL80211_RADAR_NOP_FINISHED:
wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
break;
default:
wpa_printf(MSG_DEBUG, "nl80211: Unknown radar event %d "
"received", event_type);
break;
}
}
static void nl80211_spurious_frame(struct i802_bss *bss, struct nlattr **tb,
int wds)
{
@ -2378,6 +2415,9 @@ static void do_process_drv_event(struct i802_bss *bss, int cmd,
case NL80211_CMD_FT_EVENT:
mlme_event_ft_event(drv, tb);
break;
case NL80211_CMD_RADAR_DETECT:
nl80211_radar_event(drv, tb);
break;
default:
wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Ignored unknown event "
"(cmd=%d)", cmd);