diff options
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/htc.h | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_drv_beacon.c | 36 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_drv_main.c | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_drv_txrx.c | 12 |
4 files changed, 54 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h index 31c649605d79..87e4ca911a58 100644 --- a/drivers/net/wireless/ath/ath9k/htc.h +++ b/drivers/net/wireless/ath/ath9k/htc.h @@ -245,6 +245,7 @@ struct ath9k_htc_vif { u16 seq_no; bool beacon_configured; int bslot; + __le64 tsfadjust; }; struct ath9k_vif_iter_data { @@ -480,6 +481,8 @@ void ath9k_htc_assign_bslot(struct ath9k_htc_priv *priv, struct ieee80211_vif *vif); void ath9k_htc_remove_bslot(struct ath9k_htc_priv *priv, struct ieee80211_vif *vif); +void ath9k_htc_set_tsfadjust(struct ath9k_htc_priv *priv, + struct ieee80211_vif *vif); void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv); void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv, struct ieee80211_vif *vif); diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c index b561f703e467..2fad613add51 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c @@ -234,6 +234,7 @@ static void ath9k_htc_send_beacon(struct ath9k_htc_priv *priv, struct tx_beacon_header beacon_hdr; struct ath9k_htc_tx_ctl tx_ctl; struct ieee80211_tx_info *info; + struct ieee80211_mgmt *mgmt; struct sk_buff *beacon; u8 *tx_fhdr; @@ -257,6 +258,13 @@ static void ath9k_htc_send_beacon(struct ath9k_htc_priv *priv, return; } + /* + * Update the TSF adjust value here, the HW will + * add this value for every beacon. + */ + mgmt = (struct ieee80211_mgmt *)beacon->data; + mgmt->u.beacon.timestamp = avp->tsfadjust; + info = IEEE80211_SKB_CB(beacon); if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { struct ieee80211_hdr *hdr = @@ -406,6 +414,34 @@ void ath9k_htc_remove_bslot(struct ath9k_htc_priv *priv, "Removed interface at beacon slot: %d\n", avp->bslot); } +/* + * Calculate the TSF adjustment value for all slots + * other than zero. + */ +void ath9k_htc_set_tsfadjust(struct ath9k_htc_priv *priv, + struct ieee80211_vif *vif) +{ + struct ath_common *common = ath9k_hw_common(priv->ah); + struct ath9k_htc_vif *avp = (struct ath9k_htc_vif *)vif->drv_priv; + struct htc_beacon_config *cur_conf = &priv->cur_beacon_conf; + u64 tsfadjust; + + if (avp->bslot == 0) + return; + + /* + * The beacon interval cannot be different for multi-AP mode, + * and we reach here only for VIF slots greater than zero, + * so beacon_interval is guaranteed to be set in cur_conf. + */ + tsfadjust = cur_conf->beacon_interval * avp->bslot / ATH9K_HTC_MAX_BCN_VIF; + avp->tsfadjust = cpu_to_le64(TU_TO_USEC(tsfadjust)); + + ath_dbg(common, ATH_DBG_CONFIG, + "tsfadjust is: %llu for bslot: %d\n", + (unsigned long long)tsfadjust, avp->bslot); +} + static void ath9k_htc_beacon_iter(void *data, u8 *mac, struct ieee80211_vif *vif) { bool *beacon_configured = (bool *)data; diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index 293a9b38e22e..6926ac0d5e5c 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -1291,8 +1291,10 @@ static int ath9k_htc_add_interface(struct ieee80211_hw *hw, ath9k_htc_set_opmode(priv); if ((priv->ah->opmode == NL80211_IFTYPE_AP) && - !(priv->op_flags & OP_ANI_RUNNING)) + !(priv->op_flags & OP_ANI_RUNNING)) { + ath9k_hw_set_tsfadjust(priv->ah, 1); ath9k_htc_start_ani(priv); + } ath_dbg(common, ATH_DBG_CONFIG, "Attach a VIF of type: %d at idx: %d\n", vif->type, avp->index); @@ -1652,6 +1654,7 @@ static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw, if ((changed & BSS_CHANGED_BEACON_ENABLED) && bss_conf->enable_beacon) { ath_dbg(common, ATH_DBG_CONFIG, "Beacon enabled for BSS: %pM\n", bss_conf->bssid); + ath9k_htc_set_tsfadjust(priv, vif); priv->op_flags |= OP_ENABLE_BEACON; ath9k_htc_beacon_config(priv, vif); } diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c index 4a4f27ba96af..b3f94850821e 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c @@ -82,11 +82,12 @@ int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum, int ath9k_htc_tx_start(struct ath9k_htc_priv *priv, struct sk_buff *skb) { struct ieee80211_hdr *hdr; + struct ieee80211_mgmt *mgmt; struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); struct ieee80211_sta *sta = tx_info->control.sta; struct ieee80211_vif *vif = tx_info->control.vif; struct ath9k_htc_sta *ista; - struct ath9k_htc_vif *avp; + struct ath9k_htc_vif *avp = NULL; struct ath9k_htc_tx_ctl tx_ctl; enum htc_endpoint_id epid; u16 qnum; @@ -195,6 +196,15 @@ int ath9k_htc_tx_start(struct ath9k_htc_priv *priv, struct sk_buff *skb) memset(&mgmt_hdr, 0, sizeof(struct tx_mgmt_hdr)); + /* + * Set the TSF adjust value for probe response + * frame also. + */ + if (avp && unlikely(ieee80211_is_probe_resp(fc))) { + mgmt = (struct ieee80211_mgmt *)skb->data; + mgmt->u.probe_resp.timestamp = avp->tsfadjust; + } + tx_ctl.type = ATH9K_HTC_NORMAL; mgmt_hdr.node_idx = sta_idx; |