ath6kl: Export beacon interval and DTIM period through STA info
Now that we allow the first Beacon frame after each connection to
be processed at the host, we can figure out the DTIM period and
expose it with Beacon interval through STA info BSS parameters
to user space.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index 0bdd837..c3540bb 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -483,6 +483,13 @@
assoc_req_len -= assoc_req_ie_offset;
assoc_resp_len -= assoc_resp_ie_offset;
+ /*
+ * Store Beacon interval here; DTIM period will be available only once
+ * a Beacon frame from the AP is seen.
+ */
+ ar->assoc_bss_beacon_int = beacon_intvl;
+ clear_bit(DTIM_PERIOD_AVAIL, &ar->flag);
+
if (nw_type & ADHOC_NETWORK) {
if (ar->wdev->iftype != NL80211_IFTYPE_ADHOC) {
ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
@@ -1366,6 +1373,15 @@
sinfo->filled |= STATION_INFO_TX_BITRATE;
+ if (test_bit(CONNECTED, &ar->flag) &&
+ test_bit(DTIM_PERIOD_AVAIL, &ar->flag) &&
+ ar->nw_type == INFRA_NETWORK) {
+ sinfo->filled |= STATION_INFO_BSS_PARAM;
+ sinfo->bss_param.flags = 0;
+ sinfo->bss_param.dtim_period = ar->assoc_bss_dtim_period;
+ sinfo->bss_param.beacon_interval = ar->assoc_bss_beacon_int;
+ }
+
return 0;
}
diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h
index c14bb75..82be42f 100644
--- a/drivers/net/wireless/ath/ath6kl/core.h
+++ b/drivers/net/wireless/ath/ath6kl/core.h
@@ -395,6 +395,7 @@
#define WLAN_ENABLED 12
#define TESTMODE 13
#define CLEAR_BSSFILTER_ON_BEACON 14
+#define DTIM_PERIOD_AVAIL 15
struct ath6kl {
struct device *dev;
@@ -511,6 +512,8 @@
u16 next_chan;
bool p2p;
+ u16 assoc_bss_beacon_int;
+ u8 assoc_bss_dtim_period;
#ifdef CONFIG_ATH6KL_DEBUG
struct {
diff --git a/drivers/net/wireless/ath/ath6kl/wmi.c b/drivers/net/wireless/ath/ath6kl/wmi.c
index f7dcb56..b90d116 100644
--- a/drivers/net/wireless/ath/ath6kl/wmi.c
+++ b/drivers/net/wireless/ath/ath6kl/wmi.c
@@ -930,6 +930,17 @@
if (len < 8 + 2 + 2)
return -EINVAL;
+ if (bih->frame_type == BEACON_FTYPE && test_bit(CONNECTED, &ar->flag) &&
+ memcmp(bih->bssid, ar->bssid, ETH_ALEN) == 0) {
+ const u8 *tim;
+ tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
+ len - 8 - 2 - 2);
+ if (tim && tim[1] >= 2) {
+ ar->assoc_bss_dtim_period = tim[3];
+ set_bit(DTIM_PERIOD_AVAIL, &ar->flag);
+ }
+ }
+
/*
* In theory, use of cfg80211_inform_bss() would be more natural here
* since we do not have the full frame. However, at least for now,