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ath6kl: Export beacon interval and DTIM period through STA info

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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>
This commit is contained in:
Jouni Malinen 2011-09-19 19:15:07 +03:00 committed by Kalle Valo
parent 551185ca0a
commit 32c1087460
3 changed files with 30 additions and 0 deletions
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16
drivers/net/wireless/ath/ath6kl/cfg80211.c
View File

@ -483,6 +483,13 @@ void ath6kl_cfg80211_connect_event(struct ath6kl *ar, u16 channel,
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 @@ static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev,
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;
}

3
drivers/net/wireless/ath/ath6kl/core.h
View File

@ -395,6 +395,7 @@ struct ath6kl_req_key {
#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 @@ struct ath6kl {
u16 next_chan;
bool p2p;
u16 assoc_bss_beacon_int;
u8 assoc_bss_dtim_period;
#ifdef CONFIG_ATH6KL_DEBUG
struct {

11
drivers/net/wireless/ath/ath6kl/wmi.c
View File

@ -930,6 +930,17 @@ static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len)
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,