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nl80211: Report signal strength from nl80211 

Report signal strength from nl80211 events to the higher layers.

Signed-hostap: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2012-04-01 12:39:33 +03:00 committed by Jouni Malinen
parent 024d018b55
commit da873dbb06
1 changed files with 14 additions and 5 deletions
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19
src/drivers/driver_nl80211.c
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@ -1221,11 +1221,13 @@ static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv,
static void mlme_event_mgmt(struct wpa_driver_nl80211_data *drv,
struct nlattr *freq, const u8 *frame, size_t len)
struct nlattr *freq, struct nlattr *sig,
const u8 *frame, size_t len)
{
const struct ieee80211_mgmt *mgmt;
union wpa_event_data event;
u16 fc, stype;
int ssi_signal = 0;
mgmt = (const struct ieee80211_mgmt *) frame;
if (len < 24) {
@ -1236,6 +1238,9 @@ static void mlme_event_mgmt(struct wpa_driver_nl80211_data *drv,
fc = le_to_host16(mgmt->frame_control);
stype = WLAN_FC_GET_STYPE(fc);
if (sig)
ssi_signal = (s32) nla_get_u32(sig);
os_memset(&event, 0, sizeof(event));
if (freq) {
event.rx_action.freq = nla_get_u32(freq);
@ -1252,6 +1257,7 @@ static void mlme_event_mgmt(struct wpa_driver_nl80211_data *drv,
} else {
event.rx_mgmt.frame = frame;
event.rx_mgmt.frame_len = len;
event.rx_mgmt.ssi_signal = ssi_signal;
wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
}
}
@ -1392,7 +1398,7 @@ static void mlme_event(struct wpa_driver_nl80211_data *drv,
enum nl80211_commands cmd, struct nlattr *frame,
struct nlattr *addr, struct nlattr *timed_out,
struct nlattr *freq, struct nlattr *ack,
struct nlattr *cookie)
struct nlattr *cookie, struct nlattr *sig)
{
if (timed_out && addr) {
mlme_timeout_event(drv, cmd, addr);
@ -1425,7 +1431,8 @@ static void mlme_event(struct wpa_driver_nl80211_data *drv,
nla_data(frame), nla_len(frame));
break;
case NL80211_CMD_FRAME:
mlme_event_mgmt(drv, freq, nla_data(frame), nla_len(frame));
mlme_event_mgmt(drv, freq, sig, nla_data(frame),
nla_len(frame));
break;
case NL80211_CMD_FRAME_TX_STATUS:
mlme_event_mgmt_tx_status(drv, cookie, nla_data(frame),
@ -2097,7 +2104,8 @@ static void do_process_drv_event(struct wpa_driver_nl80211_data *drv,
mlme_event(drv, cmd, tb[NL80211_ATTR_FRAME],
tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
tb[NL80211_ATTR_COOKIE]);
tb[NL80211_ATTR_COOKIE],
tb[NL80211_ATTR_RX_SIGNAL_DBM]);
break;
case NL80211_CMD_CONNECT:
case NL80211_CMD_ROAM:
@ -2224,7 +2232,8 @@ static int process_bss_event(struct nl_msg *msg, void *arg)
mlme_event(bss->drv, gnlh->cmd, tb[NL80211_ATTR_FRAME],
tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
tb[NL80211_ATTR_COOKIE]);
tb[NL80211_ATTR_COOKIE],
tb[NL80211_ATTR_RX_SIGNAL_DBM]);
break;
case NL80211_CMD_UNEXPECTED_FRAME:
nl80211_spurious_frame(bss, tb, 0);