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nl80211: Parse CQM events

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This commit is contained in:
Jouni Malinen 2010-03-28 13:56:40 -07:00
parent d43331b6ea
commit 93910401c9
1 changed files with 34 additions and 0 deletions
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34
src/drivers/driver_nl80211.c
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@ -849,6 +849,37 @@ static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted,
}
static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv,
struct nlattr *tb[])
{
static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
[NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
[NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 },
[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
};
struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
enum nl80211_cqm_rssi_threshold_event event;
if (tb[NL80211_ATTR_CQM] == NULL ||
nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM],
cqm_policy)) {
wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid CQM event");
return;
}
if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL)
return;
event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]);
if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) {
wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
"event: RSSI high");
} else if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW) {
wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
"event: RSSI low");
}
}
static int process_event(struct nl_msg *msg, void *arg)
{
struct wpa_driver_nl80211_data *drv = arg;
@ -941,6 +972,9 @@ static int process_event(struct nl_msg *msg, void *arg)
case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL:
mlme_event_remain_on_channel(drv, 1, tb);
break;
case NL80211_CMD_NOTIFY_CQM:
nl80211_cqm_event(drv, tb);
break;
default:
wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
"(cmd=%d)", gnlh->cmd);