* [PATCH v2] ath6kl: Add support for uAPSD
2012-01-12 12:51 [PATCH v2] ath6kl: Enable uAPSD support in AP mode Thirumalai Pachamuthu
@ 2012-01-12 12:51 ` Thirumalai Pachamuthu
2012-01-13 11:51 ` Kalle Valo
0 siblings, 1 reply; 4+ messages in thread
From: Thirumalai Pachamuthu @ 2012-01-12 12:51 UTC (permalink / raw)
To: kvalo; +Cc: linux-wireless, ath6kl-devel, Thirumalai Pachamuthu
* A new APSD power save queue is added in the station structure.
* When a station has APSD capability and goes to power save, the frame
designated to the station will be buffered in APSD queue.
* When the host receives a frame which the firmware marked as trigger,
host delivers the buffered frame from the APSD power save queue.
Number of frames to deliver is decided by MAX SP length.
* When a station moves from sleep to awake state, all frames buffered
in APSD power save queue are sent to the firmware.
* When a station is disconnected, all frames bufferes in APSD power save
queue are dropped.
* When the host queues the first frame to the APSD queue or removes the
last frame from the APSD queue, it is indicated to the firmware using
WMI_AP_APSD_BUFFERED_TRAFFIC_CMD.
Signed-off-by: Thirumalai Pachamuthu <tpachamu@qca.qualcomm.com>
---
drivers/net/wireless/ath/ath6kl/cfg80211.c | 6 +
drivers/net/wireless/ath/ath6kl/core.h | 10 +-
drivers/net/wireless/ath/ath6kl/main.c | 9 +-
drivers/net/wireless/ath/ath6kl/txrx.c | 253 ++++++++++++++++++++++++----
drivers/net/wireless/ath/ath6kl/wmi.c | 62 ++++++-
drivers/net/wireless/ath/ath6kl/wmi.h | 41 ++++-
6 files changed, 328 insertions(+), 53 deletions(-)
diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index 14f180e..5a71984 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -2254,6 +2254,11 @@ static int ath6kl_ap_beacon(struct wiphy *wiphy, struct net_device *dev,
p.dot11_auth_mode = vif->dot11_auth_mode;
p.ch = cpu_to_le16(vif->next_chan);
+ /* Enable uAPSD support by default */
+ res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true);
+ if (res < 0)
+ return res;
+
if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) {
p.nw_subtype = SUBTYPE_P2PGO;
} else {
@@ -2742,6 +2747,7 @@ struct ath6kl *ath6kl_core_alloc(struct device *dev)
for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) {
spin_lock_init(&ar->sta_list[ctr].psq_lock);
skb_queue_head_init(&ar->sta_list[ctr].psq);
+ skb_queue_head_init(&ar->sta_list[ctr].apsdq);
}
skb_queue_head_init(&ar->mcastpsq);
diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h
index 793c6a5..8239842 100644
--- a/drivers/net/wireless/ath/ath6kl/core.h
+++ b/drivers/net/wireless/ath/ath6kl/core.h
@@ -44,6 +44,10 @@
#define ATH6KL_MAX_ENDPOINTS 4
#define MAX_NODE_NUM 15
+#define ATH6KL_APSD_ALL_FRAME 0xFFFF
+#define ATH6KL_APSD_NUM_OF_AC 0x4
+#define ATH6KL_APSD_FRAME_MASK 0xF
+
/* Extra bytes for htc header alignment */
#define ATH6KL_HTC_ALIGN_BYTES 3
@@ -146,6 +150,8 @@ struct ath6kl_fw_ie {
#define STA_PS_AWAKE BIT(0)
#define STA_PS_SLEEP BIT(1)
#define STA_PS_POLLED BIT(2)
+#define STA_PS_APSD_TRIGGER BIT(3)
+#define STA_PS_APSD_EOSP BIT(4)
/* HTC TX packet tagging definitions */
#define ATH6KL_CONTROL_PKT_TAG HTC_TX_PACKET_TAG_USER_DEFINED
@@ -282,6 +288,8 @@ struct ath6kl_sta {
u8 wpa_ie[ATH6KL_MAX_IE];
struct sk_buff_head psq;
spinlock_t psq_lock;
+ u8 apsd_info;
+ struct sk_buff_head apsdq;
};
struct ath6kl_version {
@@ -715,7 +723,7 @@ void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel,
void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel);
void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr,
u8 keymgmt, u8 ucipher, u8 auth,
- u8 assoc_req_len, u8 *assoc_info);
+ u8 assoc_req_len, u8 *assoc_info, u8 apsd_info);
void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason,
u8 *bssid, u8 assoc_resp_len,
u8 *assoc_info, u16 prot_reason_status);
diff --git a/drivers/net/wireless/ath/ath6kl/main.c b/drivers/net/wireless/ath/ath6kl/main.c
index 8742eaa..1b36a90 100644
--- a/drivers/net/wireless/ath/ath6kl/main.c
+++ b/drivers/net/wireless/ath/ath6kl/main.c
@@ -53,7 +53,8 @@ struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid)
}
static void ath6kl_add_new_sta(struct ath6kl *ar, u8 *mac, u16 aid, u8 *wpaie,
- size_t ielen, u8 keymgmt, u8 ucipher, u8 auth)
+ size_t ielen, u8 keymgmt, u8 ucipher, u8 auth,
+ u8 apsd_info)
{
struct ath6kl_sta *sta;
u8 free_slot;
@@ -68,6 +69,7 @@ static void ath6kl_add_new_sta(struct ath6kl *ar, u8 *mac, u16 aid, u8 *wpaie,
sta->keymgmt = keymgmt;
sta->ucipher = ucipher;
sta->auth = auth;
+ sta->apsd_info = apsd_info;
ar->sta_list_index = ar->sta_list_index | (1 << free_slot);
ar->ap_stats.sta[free_slot].aid = cpu_to_le32(aid);
@@ -80,6 +82,7 @@ static void ath6kl_sta_cleanup(struct ath6kl *ar, u8 i)
/* empty the queued pkts in the PS queue if any */
spin_lock_bh(&sta->psq_lock);
skb_queue_purge(&sta->psq);
+ skb_queue_purge(&sta->apsdq);
spin_unlock_bh(&sta->psq_lock);
memset(&ar->ap_stats.sta[sta->aid - 1], 0,
@@ -425,7 +428,7 @@ void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel)
void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr,
u8 keymgmt, u8 ucipher, u8 auth,
- u8 assoc_req_len, u8 *assoc_info)
+ u8 assoc_req_len, u8 *assoc_info, u8 apsd_info)
{
struct ath6kl *ar = vif->ar;
u8 *ies = NULL, *wpa_ie = NULL, *pos;
@@ -483,7 +486,7 @@ void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr,
ath6kl_add_new_sta(ar, mac_addr, aid, wpa_ie,
wpa_ie ? 2 + wpa_ie[1] : 0,
- keymgmt, ucipher, auth);
+ keymgmt, ucipher, auth, apsd_info);
/* send event to application */
memset(&sinfo, 0, sizeof(sinfo));
diff --git a/drivers/net/wireless/ath/ath6kl/txrx.c b/drivers/net/wireless/ath/ath6kl/txrx.c
index fcea824..22119fe 100644
--- a/drivers/net/wireless/ath/ath6kl/txrx.c
+++ b/drivers/net/wireless/ath/ath6kl/txrx.c
@@ -77,12 +77,120 @@ static u8 ath6kl_ibss_map_epid(struct sk_buff *skb, struct net_device *dev,
return ar->node_map[ep_map].ep_id;
}
+static bool ath6kl_process_uapsdq(struct ath6kl_sta *conn,
+ struct ath6kl_vif *vif,
+ struct sk_buff *skb,
+ u32 *flags)
+{
+ struct ath6kl *ar = vif->ar;
+ bool is_apsdq_empty = false;
+ struct ethhdr *datap = (struct ethhdr *) skb->data;
+ u8 up = 0;
+ u8 traffic_class;
+ u16 ether_type;
+ u8 *ip_hdr;
+ struct ath6kl_llc_snap_hdr *llc_hdr;
+
+ if (conn->sta_flags & STA_PS_APSD_TRIGGER) {
+ /*
+ * This tx is because of a uAPSD trigger, determine
+ * more and EOSP bit. Set EOSP if queue is empty
+ * or sufficient frames are delivered for this trigger.
+ */
+ spin_lock_bh(&conn->psq_lock);
+ if (!skb_queue_empty(&conn->apsdq))
+ *flags |= WMI_DATA_HDR_FLAGS_MORE;
+ else if (conn->sta_flags & STA_PS_APSD_EOSP)
+ *flags |= WMI_DATA_HDR_FLAGS_EOSP;
+ *flags |= WMI_DATA_HDR_FLAGS_UAPSD;
+ spin_unlock_bh(&conn->psq_lock);
+ return false;
+ } else if (!conn->apsd_info)
+ return false;
+
+ if (test_bit(WMM_ENABLED, &vif->flags)) {
+ ether_type = be16_to_cpu(datap->h_proto);
+ if (is_ethertype(ether_type)) {
+ /* packet is in DIX format */
+ ip_hdr = (u8 *)(datap + 1);
+ } else {
+ /* packet is in 802.3 format */
+ llc_hdr = (struct ath6kl_llc_snap_hdr *)
+ (datap + 1);
+ ether_type = be16_to_cpu(llc_hdr->eth_type);
+ ip_hdr = (u8 *)(llc_hdr + 1);
+ }
+
+ if (ether_type == IP_ETHERTYPE)
+ up = ath6kl_wmi_determine_user_priority(
+ ip_hdr, 0);
+ }
+
+ traffic_class = ath6kl_wmi_get_traffic_class(up);
+
+ if ((conn->apsd_info & (1 << traffic_class)) == 0)
+ return false;
+
+ /* Queue the frames if the STA is sleeping */
+ spin_lock_bh(&conn->psq_lock);
+ is_apsdq_empty = skb_queue_empty(&conn->apsdq);
+ skb_queue_tail(&conn->apsdq, skb);
+ spin_unlock_bh(&conn->psq_lock);
+
+ /*
+ * If this is the first pkt getting queued
+ * for this STA, update the PVB for this STA
+ */
+ if (is_apsdq_empty) {
+ ath6kl_wmi_set_apsd_bfrd_traf(ar->wmi,
+ vif->fw_vif_idx,
+ conn->aid, 1, 0);
+ }
+ *flags |= WMI_DATA_HDR_FLAGS_UAPSD;
+
+ return true;
+}
+
+static bool ath6kl_process_psq(struct ath6kl_sta *conn,
+ struct ath6kl_vif *vif,
+ struct sk_buff *skb,
+ u32 *flags)
+{
+ bool is_psq_empty = false;
+ struct ath6kl *ar = vif->ar;
+
+ if (conn->sta_flags & STA_PS_POLLED) {
+ spin_lock_bh(&conn->psq_lock);
+ if (!skb_queue_empty(&conn->psq))
+ *flags |= WMI_DATA_HDR_FLAGS_MORE;
+ spin_unlock_bh(&conn->psq_lock);
+ return false;
+ } else {
+ /* Queue the frames if the STA is sleeping */
+ spin_lock_bh(&conn->psq_lock);
+ is_psq_empty = skb_queue_empty(&conn->psq);
+ skb_queue_tail(&conn->psq, skb);
+ spin_unlock_bh(&conn->psq_lock);
+
+ /*
+ * If this is the first pkt getting queued
+ * for this STA, update the PVB for this
+ * STA.
+ */
+ if (is_psq_empty)
+ ath6kl_wmi_set_pvb_cmd(ar->wmi,
+ vif->fw_vif_idx,
+ conn->aid, 1);
+ return true;
+ }
+}
+
static bool ath6kl_powersave_ap(struct ath6kl_vif *vif, struct sk_buff *skb,
- bool *more_data)
+ u32 *flags)
{
struct ethhdr *datap = (struct ethhdr *) skb->data;
struct ath6kl_sta *conn = NULL;
- bool ps_queued = false, is_psq_empty = false;
+ bool ps_queued = false;
struct ath6kl *ar = vif->ar;
if (is_multicast_ether_addr(datap->h_dest)) {
@@ -128,7 +236,7 @@ static bool ath6kl_powersave_ap(struct ath6kl_vif *vif, struct sk_buff *skb,
*/
spin_lock_bh(&ar->mcastpsq_lock);
if (!skb_queue_empty(&ar->mcastpsq))
- *more_data = true;
+ *flags |= WMI_DATA_HDR_FLAGS_MORE;
spin_unlock_bh(&ar->mcastpsq_lock);
}
}
@@ -142,37 +250,13 @@ static bool ath6kl_powersave_ap(struct ath6kl_vif *vif, struct sk_buff *skb,
}
if (conn->sta_flags & STA_PS_SLEEP) {
- if (!(conn->sta_flags & STA_PS_POLLED)) {
- /* Queue the frames if the STA is sleeping */
- spin_lock_bh(&conn->psq_lock);
- is_psq_empty = skb_queue_empty(&conn->psq);
- skb_queue_tail(&conn->psq, skb);
- spin_unlock_bh(&conn->psq_lock);
-
- /*
- * If this is the first pkt getting queued
- * for this STA, update the PVB for this
- * STA.
- */
- if (is_psq_empty)
- ath6kl_wmi_set_pvb_cmd(ar->wmi,
- vif->fw_vif_idx,
- conn->aid, 1);
-
- ps_queued = true;
- } else {
- /*
- * This tx is because of a PsPoll.
- * Determine if MoreData bit has to be set.
- */
- spin_lock_bh(&conn->psq_lock);
- if (!skb_queue_empty(&conn->psq))
- *more_data = true;
- spin_unlock_bh(&conn->psq_lock);
- }
+ ps_queued = ath6kl_process_uapsdq(conn,
+ vif, skb, flags);
+ if (!(*flags & WMI_DATA_HDR_FLAGS_UAPSD))
+ ps_queued = ath6kl_process_psq(conn,
+ vif, skb, flags);
}
}
-
return ps_queued;
}
@@ -242,12 +326,13 @@ int ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev)
u32 map_no = 0;
u16 htc_tag = ATH6KL_DATA_PKT_TAG;
u8 ac = 99 ; /* initialize to unmapped ac */
- bool chk_adhoc_ps_mapping = false, more_data = false;
+ bool chk_adhoc_ps_mapping = false;
int ret;
struct wmi_tx_meta_v2 meta_v2;
void *meta;
u8 csum_start = 0, csum_dest = 0, csum = skb->ip_summed;
u8 meta_ver = 0;
+ u32 flags = 0;
ath6kl_dbg(ATH6KL_DBG_WLAN_TX,
"%s: skb=0x%p, data=0x%p, len=0x%x\n", __func__,
@@ -264,7 +349,7 @@ int ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev)
/* AP mode Power saving processing */
if (vif->nw_type == AP_NETWORK) {
- if (ath6kl_powersave_ap(vif, skb, &more_data))
+ if (ath6kl_powersave_ap(vif, skb, &flags))
return 0;
}
@@ -308,7 +393,7 @@ int ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev)
}
ret = ath6kl_wmi_data_hdr_add(ar->wmi, skb,
- DATA_MSGTYPE, more_data, 0,
+ DATA_MSGTYPE, flags, 0,
meta_ver,
meta, vif->fw_vif_idx);
@@ -1093,6 +1178,78 @@ static bool aggr_process_recv_frm(struct aggr_info *agg_info, u8 tid,
return is_queued;
}
+static void ath6kl_uapsd_trigger_frame_rx(struct ath6kl_vif *vif,
+ struct ath6kl_sta *conn)
+{
+ struct ath6kl *ar = vif->ar;
+ bool is_apsdq_empty;
+ bool is_apsdq_empty_at_start;
+ u32 num_frames_to_deliver;
+ struct sk_buff *skb = NULL;
+ u32 flags;
+
+ /*
+ * If the APSD q for this STA is not empty, dequeue and
+ * send a pkt from the head of the q. Also update the
+ * More data bit in the WMI_DATA_HDR if there are
+ * more pkts for this STA in the APSD q.
+ * If there are no more pkts for this STA,
+ * update the APSD bitmap for this STA.
+ */
+
+ num_frames_to_deliver = (conn->apsd_info >> ATH6KL_APSD_NUM_OF_AC) &
+ ATH6KL_APSD_FRAME_MASK;
+ /*
+ * Number of frames to send in a service period is
+ * indicated by the station
+ * in the QOS_INFO of the association request
+ * If it is zero, send all frames
+ */
+ if (!num_frames_to_deliver)
+ num_frames_to_deliver = ATH6KL_APSD_ALL_FRAME;
+
+ spin_lock_bh(&conn->psq_lock);
+ is_apsdq_empty = skb_queue_empty(&conn->apsdq);
+ spin_unlock_bh(&conn->psq_lock);
+ is_apsdq_empty_at_start = is_apsdq_empty;
+
+ while ((!is_apsdq_empty) && (num_frames_to_deliver)) {
+
+ spin_lock_bh(&conn->psq_lock);
+ skb = skb_dequeue(&conn->apsdq);
+ is_apsdq_empty = skb_queue_empty(&conn->apsdq);
+ spin_unlock_bh(&conn->psq_lock);
+
+ /*
+ * Set the STA flag to Trigger delivery,
+ * so that the frame will go out
+ */
+ conn->sta_flags |= STA_PS_APSD_TRIGGER;
+ num_frames_to_deliver--;
+
+ /* Last frame in the service period, set EOSP or queue empty */
+ if ((is_apsdq_empty) || (!num_frames_to_deliver))
+ conn->sta_flags |= STA_PS_APSD_EOSP;
+
+ ath6kl_data_tx(skb, vif->ndev);
+ conn->sta_flags &= ~(STA_PS_APSD_TRIGGER);
+ conn->sta_flags &= ~(STA_PS_APSD_EOSP);
+ }
+
+ if (is_apsdq_empty) {
+ if (is_apsdq_empty_at_start)
+ flags = WMI_AP_APSD_NO_DELIVERY_FRAMES;
+ else
+ flags = 0;
+
+ ath6kl_wmi_set_apsd_bfrd_traf(ar->wmi,
+ vif->fw_vif_idx,
+ conn->aid, 0, flags);
+ }
+
+ return;
+}
+
void ath6kl_rx(struct htc_target *target, struct htc_packet *packet)
{
struct ath6kl *ar = target->dev->ar;
@@ -1104,6 +1261,7 @@ void ath6kl_rx(struct htc_target *target, struct htc_packet *packet)
int status = packet->status;
enum htc_endpoint_id ept = packet->endpoint;
bool is_amsdu, prev_ps, ps_state = false;
+ bool trig_state = false;
struct ath6kl_sta *conn = NULL;
struct sk_buff *skb1 = NULL;
struct ethhdr *datap = NULL;
@@ -1197,6 +1355,7 @@ void ath6kl_rx(struct htc_target *target, struct htc_packet *packet)
WMI_DATA_HDR_PS_MASK);
offset = sizeof(struct wmi_data_hdr);
+ trig_state = !!(le16_to_cpu(dhdr->info3) & WMI_DATA_HDR_TRIG);
switch (meta_type) {
case 0:
@@ -1235,18 +1394,38 @@ void ath6kl_rx(struct htc_target *target, struct htc_packet *packet)
else
conn->sta_flags &= ~STA_PS_SLEEP;
+ /* Accept trigger only when the station is in sleep */
+ if ((conn->sta_flags & STA_PS_SLEEP) && trig_state)
+ ath6kl_uapsd_trigger_frame_rx(vif, conn);
+
if (prev_ps ^ !!(conn->sta_flags & STA_PS_SLEEP)) {
if (!(conn->sta_flags & STA_PS_SLEEP)) {
struct sk_buff *skbuff = NULL;
+ bool is_apsdq_empty;
spin_lock_bh(&conn->psq_lock);
- while ((skbuff = skb_dequeue(&conn->psq))
- != NULL) {
+ while ((skbuff = skb_dequeue(&conn->psq))) {
+ spin_unlock_bh(&conn->psq_lock);
+ ath6kl_data_tx(skbuff, vif->ndev);
+ spin_lock_bh(&conn->psq_lock);
+ skbuff = skb_dequeue(&conn->psq);
+ }
+
+ is_apsdq_empty = skb_queue_empty(&conn->apsdq);
+ while ((skbuff = skb_dequeue(&conn->apsdq))) {
spin_unlock_bh(&conn->psq_lock);
ath6kl_data_tx(skbuff, vif->ndev);
spin_lock_bh(&conn->psq_lock);
+ skbuff = skb_dequeue(&conn->apsdq);
}
spin_unlock_bh(&conn->psq_lock);
+
+ if (!is_apsdq_empty)
+ ath6kl_wmi_set_apsd_bfrd_traf(
+ ar->wmi,
+ vif->fw_vif_idx,
+ conn->aid, 0, 0);
+
/* Clear the PVB for this STA */
ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx,
conn->aid, 0);
diff --git a/drivers/net/wireless/ath/ath6kl/wmi.c b/drivers/net/wireless/ath/ath6kl/wmi.c
index 08fbd9a..c2420f8 100644
--- a/drivers/net/wireless/ath/ath6kl/wmi.c
+++ b/drivers/net/wireless/ath/ath6kl/wmi.c
@@ -180,7 +180,7 @@ static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
}
int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
- u8 msg_type, bool more_data,
+ u8 msg_type, u32 flags,
enum wmi_data_hdr_data_type data_type,
u8 meta_ver, void *tx_meta_info, u8 if_idx)
{
@@ -204,17 +204,19 @@ int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
- if (more_data)
- data_hdr->info |=
- WMI_DATA_HDR_MORE_MASK << WMI_DATA_HDR_MORE_SHIFT;
+ if (flags & WMI_DATA_HDR_FLAGS_MORE)
+ data_hdr->info |= WMI_DATA_HDR_MORE;
- data_hdr->info2 = cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
- data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
+ if (flags & WMI_DATA_HDR_FLAGS_EOSP)
+ data_hdr->info3 |= cpu_to_le16(WMI_DATA_HDR_EOSP);
+
+ data_hdr->info2 |= cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
+ data_hdr->info3 |= cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
return 0;
}
-static u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
+u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
{
struct iphdr *ip_hdr = (struct iphdr *) pkt;
u8 ip_pri;
@@ -236,6 +238,11 @@ static u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
return ip_pri;
}
+u8 ath6kl_wmi_get_traffic_class(u8 user_priority)
+{
+ return up_to_ac[user_priority & 0x7];
+}
+
int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
struct sk_buff *skb,
u32 layer2_priority, bool wmm_enabled,
@@ -786,12 +793,14 @@ static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
ev->u.ap_sta.keymgmt,
le16_to_cpu(ev->u.ap_sta.cipher),
ev->u.ap_sta.apsd_info);
+
ath6kl_connect_ap_mode_sta(
vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
ev->u.ap_sta.keymgmt,
le16_to_cpu(ev->u.ap_sta.cipher),
ev->u.ap_sta.auth, ev->assoc_req_len,
- ev->assoc_info + ev->beacon_ie_len);
+ ev->assoc_info + ev->beacon_ie_len,
+ ev->u.ap_sta.apsd_info);
}
return 0;
}
@@ -2993,6 +3002,43 @@ int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
NO_SYNC_WMIFLAG);
}
+/* This command will be used to enable/disable AP uAPSD feature */
+int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
+{
+ struct wmi_ap_set_apsd_cmd *cmd;
+ struct sk_buff *skb;
+
+ skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
+ if (!skb)
+ return -ENOMEM;
+
+ cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
+ cmd->enable = enable;
+
+ return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
+ NO_SYNC_WMIFLAG);
+}
+
+int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
+ u16 aid, u16 bitmap, u32 flags)
+{
+ struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
+ struct sk_buff *skb;
+
+ skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
+ if (!skb)
+ return -ENOMEM;
+
+ cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
+ cmd->aid = cpu_to_le16(aid);
+ cmd->bitmap = cpu_to_le16(bitmap);
+ cmd->flags = cpu_to_le32(flags);
+
+ return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
+ WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
+ NO_SYNC_WMIFLAG);
+}
+
static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
struct ath6kl_vif *vif)
{
diff --git a/drivers/net/wireless/ath/ath6kl/wmi.h b/drivers/net/wireless/ath/ath6kl/wmi.h
index eae0e4e..48e9d26 100644
--- a/drivers/net/wireless/ath/ath6kl/wmi.h
+++ b/drivers/net/wireless/ath/ath6kl/wmi.h
@@ -149,8 +149,7 @@ enum wmi_msg_type {
#define WMI_DATA_HDR_PS_MASK 0x1
#define WMI_DATA_HDR_PS_SHIFT 5
-#define WMI_DATA_HDR_MORE_MASK 0x1
-#define WMI_DATA_HDR_MORE_SHIFT 5
+#define WMI_DATA_HDR_MORE 0x20
enum wmi_data_hdr_data_type {
WMI_DATA_HDR_DATA_TYPE_802_3 = 0,
@@ -160,6 +159,13 @@ enum wmi_data_hdr_data_type {
WMI_DATA_HDR_DATA_TYPE_ACL,
};
+/* Bitmap of data header flags */
+enum wmi_data_hdr_flags {
+ WMI_DATA_HDR_FLAGS_MORE = 0x1,
+ WMI_DATA_HDR_FLAGS_EOSP = 0x2,
+ WMI_DATA_HDR_FLAGS_UAPSD = 0x4,
+};
+
#define WMI_DATA_HDR_DATA_TYPE_MASK 0x3
#define WMI_DATA_HDR_DATA_TYPE_SHIFT 6
@@ -173,8 +179,12 @@ enum wmi_data_hdr_data_type {
#define WMI_DATA_HDR_META_MASK 0x7
#define WMI_DATA_HDR_META_SHIFT 13
+/* Macros for operating on WMI_DATA_HDR (info3) field */
#define WMI_DATA_HDR_IF_IDX_MASK 0xF
+#define WMI_DATA_HDR_TRIG 0x10
+#define WMI_DATA_HDR_EOSP 0x10
+
struct wmi_data_hdr {
s8 rssi;
@@ -203,7 +213,8 @@ struct wmi_data_hdr {
/*
* usage of info3, 16-bit:
* b3:b0 - Interface index
- * b15:b4 - Reserved
+ * b4 - uAPSD trigger in rx & EOSP in tx
+ * b15:b5 - Reserved
*/
__le16 info3;
} __packed;
@@ -2116,6 +2127,19 @@ struct wmi_rx_frame_format_cmd {
} __packed;
/* AP mode events */
+struct wmi_ap_set_apsd_cmd {
+ u8 enable;
+} __packed;
+
+enum wmi_ap_apsd_buffered_traffic_flags {
+ WMI_AP_APSD_NO_DELIVERY_FRAMES = 0x1,
+};
+
+struct wmi_ap_apsd_buffered_traffic_cmd {
+ __le16 aid;
+ __le16 bitmap;
+ __le32 flags;
+} __packed;
/* WMI_PS_POLL_EVENT */
struct wmi_pspoll_event {
@@ -2332,7 +2356,7 @@ enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi);
void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id);
int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb);
int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
- u8 msg_type, bool more_data,
+ u8 msg_type, u32 flags,
enum wmi_data_hdr_data_type data_type,
u8 meta_ver, void *tx_meta_info, u8 if_idx);
@@ -2446,7 +2470,16 @@ int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode);
int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on);
int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
u8 *filter, bool add_filter);
+/* AP mode uAPSD */
+int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable);
+
+int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi,
+ u8 if_idx, u16 aid,
+ u16 bitmap, u32 flags);
+
+u8 ath6kl_wmi_get_traffic_class(u8 user_priority);
+u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri);
/* AP mode */
int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
struct wmi_connect_cmd *p);
--
1.7.0.4
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