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, traffic_class, *ip_hdr;
+ u16 ether_type;
+ 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);
+ } else {
+ up = 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;
+ }
+
+ /* 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)) {
*/
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);
}
}
}
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;
}
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__,
/* 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;
}
}
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);
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, is_apsdq_empty_at_start;
+ u32 num_frames_to_deliver, flags;
+ struct sk_buff *skb = NULL;
+
+ /*
+ * 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;
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;
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:
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);
+ }
+
+ 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);
}
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);
}
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)
{
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;
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,
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;
}
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)
{
#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,
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
#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;
/*
* 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;
} __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 {
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);
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);
projects / users / willy / pagecache.git / commitdiff