/*
* Copyright (c) 2004-2011 Atheros Communications Inc.
+ * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
#include "core.h"
#include "debug.h"
+/*
+ * tid - tid_mux0..tid_mux3
+ * aid - tid_mux4..tid_mux7
+ */
+#define ATH6KL_TID_MASK 0xf
+#define ATH6KL_AID_SHIFT 4
+
+static inline u8 ath6kl_get_tid(u8 tid_mux)
+{
+ return tid_mux & ATH6KL_TID_MASK;
+}
+
+static inline u8 ath6kl_get_aid(u8 tid_mux)
+{
+ return tid_mux >> ATH6KL_AID_SHIFT;
+}
+
static u8 ath6kl_ibss_map_epid(struct sk_buff *skb, struct net_device *dev,
u32 *map_no)
{
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, 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);
+ }
+
+ 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;
}
int status = 0;
struct ath6kl_cookie *cookie = NULL;
+ if (WARN_ON_ONCE(ar->state == ATH6KL_STATE_WOW))
+ return -EACCES;
+
spin_lock_bh(&ar->lock);
ath6kl_dbg(ATH6KL_DBG_WLAN_TX,
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__,
return 0;
}
+ if (WARN_ON_ONCE(ar->state != ATH6KL_STATE_ON)) {
+ dev_kfree_skb(skb);
+ return 0;
+ }
+
if (!test_bit(WMI_READY, &ar->flag))
goto fail_tx;
/* 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;
}
if (test_bit(WMI_ENABLED, &ar->flag)) {
+ if ((dev->features & NETIF_F_IP_CSUM) &&
+ (csum == CHECKSUM_PARTIAL)) {
+ csum_start = skb->csum_start -
+ (skb_network_header(skb) - skb->head) +
+ sizeof(struct ath6kl_llc_snap_hdr);
+ csum_dest = skb->csum_offset + csum_start;
+ }
+
if (skb_headroom(skb) < dev->needed_headroom) {
struct sk_buff *tmp_skb = skb;
goto fail_tx;
}
- if (ath6kl_wmi_data_hdr_add(ar->wmi, skb, DATA_MSGTYPE,
- more_data, 0, 0, NULL,
- vif->fw_vif_idx)) {
- ath6kl_err("wmi_data_hdr_add failed\n");
+ if ((dev->features & NETIF_F_IP_CSUM) &&
+ (csum == CHECKSUM_PARTIAL)) {
+ meta_v2.csum_start = csum_start;
+ meta_v2.csum_dest = csum_dest;
+
+ /* instruct target to calculate checksum */
+ meta_v2.csum_flags = WMI_META_V2_FLAG_CSUM_OFFLOAD;
+ meta_ver = WMI_META_VERSION_2;
+ meta = &meta_v2;
+ } else {
+ meta_ver = 0;
+ meta = NULL;
+ }
+
+ ret = ath6kl_wmi_data_hdr_add(ar->wmi, skb,
+ DATA_MSGTYPE, flags, 0,
+ meta_ver,
+ meta, vif->fw_vif_idx);
+
+ if (ret) {
+ ath6kl_warn("failed to add wmi data header:%d\n"
+ , ret);
goto fail_tx;
}
if ((vif->nw_type == ADHOC_NETWORK) &&
- ar->ibss_ps_enable && test_bit(CONNECTED, &vif->flags))
+ ar->ibss_ps_enable && test_bit(CONNECTED, &vif->flags))
chk_adhoc_ps_mapping = true;
else {
/* get the stream mapping */
* WMI queue with too many commands the only exception to
* this is during testing using endpointping.
*/
- spin_lock_bh(&ar->lock);
set_bit(WMI_CTRL_EP_FULL, &ar->flag);
- spin_unlock_bh(&ar->lock);
ath6kl_err("wmi ctrl ep is full\n");
return action;
}
*/
if (ar->ac_stream_pri_map[ar->ep2ac_map[endpoint]] <
ar->hiac_stream_active_pri &&
- ar->cookie_count <= MAX_HI_COOKIE_NUM)
+ ar->cookie_count <=
+ target->endpoint[endpoint].tx_drop_packet_threshold)
/*
* Give preference to the highest priority stream by
* dropping the packets which overflowed.
action != HTC_SEND_FULL_DROP) {
spin_unlock_bh(&ar->list_lock);
- spin_lock_bh(&vif->if_lock);
set_bit(NETQ_STOPPED, &vif->flags);
- spin_unlock_bh(&vif->if_lock);
netif_stop_queue(vif->ndev);
return action;
}
}
-void ath6kl_tx_complete(void *context, struct list_head *packet_queue)
+void ath6kl_tx_complete(struct htc_target *target,
+ struct list_head *packet_queue)
{
- struct ath6kl *ar = context;
+ struct ath6kl *ar = target->dev->ar;
struct sk_buff_head skb_queue;
struct htc_packet *packet;
struct sk_buff *skb;
{
struct sk_buff *skb = NULL;
- if (skb_queue_len(&p_aggr->free_q) < (AGGR_NUM_OF_FREE_NETBUFS >> 2))
- ath6kl_alloc_netbufs(&p_aggr->free_q, AGGR_NUM_OF_FREE_NETBUFS);
+ if (skb_queue_len(&p_aggr->rx_amsdu_freeq) <
+ (AGGR_NUM_OF_FREE_NETBUFS >> 2))
+ ath6kl_alloc_netbufs(&p_aggr->rx_amsdu_freeq,
+ AGGR_NUM_OF_FREE_NETBUFS);
- skb = skb_dequeue(&p_aggr->free_q);
+ skb = skb_dequeue(&p_aggr->rx_amsdu_freeq);
return skb;
}
if (!IS_ALIGNED((unsigned long) skb->data, 4))
skb->data = PTR_ALIGN(skb->data - 4, 4);
set_htc_rxpkt_info(packet, skb, skb->data,
- ATH6KL_BUFFER_SIZE, endpoint);
+ ATH6KL_BUFFER_SIZE, endpoint);
list_add_tail(&packet->list, &queue);
}
dev_kfree_skb(skb);
}
-static void aggr_deque_frms(struct aggr_info *p_aggr, u8 tid,
+static void aggr_deque_frms(struct aggr_info_conn *agg_conn, u8 tid,
u16 seq_no, u8 order)
{
struct sk_buff *skb;
u16 idx, idx_end, seq_end;
struct rxtid_stats *stats;
- if (!p_aggr)
- return;
-
- rxtid = &p_aggr->rx_tid[tid];
- stats = &p_aggr->stat[tid];
+ rxtid = &agg_conn->rx_tid[tid];
+ stats = &agg_conn->stat[tid];
idx = AGGR_WIN_IDX(rxtid->seq_next, rxtid->hold_q_sz);
if (node->skb) {
if (node->is_amsdu)
- aggr_slice_amsdu(p_aggr, rxtid, node->skb);
+ aggr_slice_amsdu(agg_conn->aggr_info, rxtid,
+ node->skb);
else
skb_queue_tail(&rxtid->q, node->skb);
node->skb = NULL;
stats->num_delivered += skb_queue_len(&rxtid->q);
while ((skb = skb_dequeue(&rxtid->q)))
- ath6kl_deliver_frames_to_nw_stack(p_aggr->dev, skb);
+ ath6kl_deliver_frames_to_nw_stack(agg_conn->dev, skb);
}
-static bool aggr_process_recv_frm(struct aggr_info *agg_info, u8 tid,
+static bool aggr_process_recv_frm(struct aggr_info_conn *agg_conn, u8 tid,
u16 seq_no,
bool is_amsdu, struct sk_buff *frame)
{
bool is_queued = false;
u16 extended_end;
- rxtid = &agg_info->rx_tid[tid];
- stats = &agg_info->stat[tid];
+ rxtid = &agg_conn->rx_tid[tid];
+ stats = &agg_conn->stat[tid];
stats->num_into_aggr++;
if (!rxtid->aggr) {
if (is_amsdu) {
- aggr_slice_amsdu(agg_info, rxtid, frame);
+ aggr_slice_amsdu(agg_conn->aggr_info, rxtid, frame);
is_queued = true;
stats->num_amsdu++;
while ((skb = skb_dequeue(&rxtid->q)))
- ath6kl_deliver_frames_to_nw_stack(agg_info->dev,
+ ath6kl_deliver_frames_to_nw_stack(agg_conn->dev,
skb);
}
return is_queued;
(cur < end || cur > extended_end)) ||
((end > extended_end) && (cur > extended_end) &&
(cur < end))) {
- aggr_deque_frms(agg_info, tid, 0, 0);
+ aggr_deque_frms(agg_conn, tid, 0, 0);
if (cur >= rxtid->hold_q_sz - 1)
rxtid->seq_next = cur - (rxtid->hold_q_sz - 1);
else
st = ATH6KL_MAX_SEQ_NO -
(rxtid->hold_q_sz - 2 - cur);
- aggr_deque_frms(agg_info, tid, st, 0);
+ aggr_deque_frms(agg_conn, tid, st, 0);
}
stats->num_oow++;
spin_unlock_bh(&rxtid->lock);
- aggr_deque_frms(agg_info, tid, 0, 1);
+ aggr_deque_frms(agg_conn, tid, 0, 1);
- if (agg_info->timer_scheduled)
+ if (agg_conn->timer_scheduled)
rxtid->progress = true;
else
for (idx = 0 ; idx < rxtid->hold_q_sz; idx++) {
* the frame doesn't remain stuck
* forever.
*/
- agg_info->timer_scheduled = true;
- mod_timer(&agg_info->timer,
+ agg_conn->timer_scheduled = true;
+ mod_timer(&agg_conn->timer,
(jiffies +
HZ * (AGGR_RX_TIMEOUT) / 1000));
rxtid->progress = false;
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;
struct ath6kl_vif *vif;
+ struct aggr_info_conn *aggr_conn;
u16 seq_no, offset;
u8 tid, if_idx;
skb_put(skb, packet->act_len + HTC_HDR_LENGTH);
skb_pull(skb, HTC_HDR_LENGTH);
+ ath6kl_dbg_dump(ATH6KL_DBG_RAW_BYTES, __func__, "rx ",
+ skb->data, skb->len);
+
if (ept == ar->ctrl_ep) {
+ if (test_bit(WMI_ENABLED, &ar->flag)) {
+ ath6kl_check_wow_status(ar);
+ ath6kl_wmi_control_rx(ar->wmi, skb);
+ return;
+ }
if_idx =
wmi_cmd_hdr_get_if_idx((struct wmi_cmd_hdr *) skb->data);
} else {
spin_unlock_bh(&vif->if_lock);
-
- ath6kl_dbg_dump(ATH6KL_DBG_RAW_BYTES, __func__, "rx ",
- skb->data, skb->len);
-
skb->dev = vif->ndev;
if (!test_bit(WMI_ENABLED, &ar->flag)) {
ath6kl_check_wow_status(ar);
- if (ept == ar->ctrl_ep) {
- ath6kl_wmi_control_rx(ar->wmi, skb);
- return;
- }
-
min_hdr_len = sizeof(struct ethhdr) + sizeof(struct wmi_data_hdr) +
sizeof(struct ath6kl_llc_snap_hdr);
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;
+ struct ath6kl_mgmt_buff *mgmt;
+ u8 idx;
spin_lock_bh(&conn->psq_lock);
- while ((skbuff = skb_dequeue(&conn->psq))
- != NULL) {
+ while (conn->mgmt_psq_len > 0) {
+ mgmt = list_first_entry(
+ &conn->mgmt_psq,
+ struct ath6kl_mgmt_buff,
+ list);
+ list_del(&mgmt->list);
+ conn->mgmt_psq_len--;
+ spin_unlock_bh(&conn->psq_lock);
+ idx = vif->fw_vif_idx;
+
+ ath6kl_wmi_send_mgmt_cmd(ar->wmi,
+ idx,
+ mgmt->id,
+ mgmt->freq,
+ mgmt->wait,
+ mgmt->buf,
+ mgmt->len,
+ mgmt->no_cck);
+
+ kfree(mgmt);
+ spin_lock_bh(&conn->psq_lock);
+ }
+ conn->mgmt_psq_len = 0;
+ 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);
datap = (struct ethhdr *) skb->data;
- if (is_unicast_ether_addr(datap->h_dest) &&
- aggr_process_recv_frm(vif->aggr_cntxt, tid, seq_no,
- is_amsdu, skb))
- /* aggregation code will handle the skb */
- return;
+ if (is_unicast_ether_addr(datap->h_dest)) {
+ if (vif->nw_type == AP_NETWORK) {
+ conn = ath6kl_find_sta(vif, datap->h_source);
+ if (!conn)
+ return;
+ aggr_conn = conn->aggr_conn;
+ } else
+ aggr_conn = vif->aggr_cntxt->aggr_conn;
+
+ if (aggr_process_recv_frm(aggr_conn, tid, seq_no,
+ is_amsdu, skb)) {
+ /* aggregation code will handle the skb */
+ return;
+ }
+ }
ath6kl_deliver_frames_to_nw_stack(vif->ndev, skb);
}
static void aggr_timeout(unsigned long arg)
{
u8 i, j;
- struct aggr_info *p_aggr = (struct aggr_info *) arg;
+ struct aggr_info_conn *aggr_conn = (struct aggr_info_conn *) arg;
struct rxtid *rxtid;
struct rxtid_stats *stats;
for (i = 0; i < NUM_OF_TIDS; i++) {
- rxtid = &p_aggr->rx_tid[i];
- stats = &p_aggr->stat[i];
+ rxtid = &aggr_conn->rx_tid[i];
+ stats = &aggr_conn->stat[i];
if (!rxtid->aggr || !rxtid->timer_mon || rxtid->progress)
continue;
rxtid->seq_next,
((rxtid->seq_next + rxtid->hold_q_sz-1) &
ATH6KL_MAX_SEQ_NO));
- aggr_deque_frms(p_aggr, i, 0, 0);
+ aggr_deque_frms(aggr_conn, i, 0, 0);
}
- p_aggr->timer_scheduled = false;
+ aggr_conn->timer_scheduled = false;
for (i = 0; i < NUM_OF_TIDS; i++) {
- rxtid = &p_aggr->rx_tid[i];
+ rxtid = &aggr_conn->rx_tid[i];
if (rxtid->aggr && rxtid->hold_q) {
for (j = 0; j < rxtid->hold_q_sz; j++) {
if (rxtid->hold_q[j].skb) {
- p_aggr->timer_scheduled = true;
+ aggr_conn->timer_scheduled = true;
rxtid->timer_mon = true;
rxtid->progress = false;
break;
}
}
- if (p_aggr->timer_scheduled)
- mod_timer(&p_aggr->timer,
+ if (aggr_conn->timer_scheduled)
+ mod_timer(&aggr_conn->timer,
jiffies + msecs_to_jiffies(AGGR_RX_TIMEOUT));
}
-static void aggr_delete_tid_state(struct aggr_info *p_aggr, u8 tid)
+static void aggr_delete_tid_state(struct aggr_info_conn *aggr_conn, u8 tid)
{
struct rxtid *rxtid;
struct rxtid_stats *stats;
- if (!p_aggr || tid >= NUM_OF_TIDS)
+ if (!aggr_conn || tid >= NUM_OF_TIDS)
return;
- rxtid = &p_aggr->rx_tid[tid];
- stats = &p_aggr->stat[tid];
+ rxtid = &aggr_conn->rx_tid[tid];
+ stats = &aggr_conn->stat[tid];
if (rxtid->aggr)
- aggr_deque_frms(p_aggr, tid, 0, 0);
+ aggr_deque_frms(aggr_conn, tid, 0, 0);
rxtid->aggr = false;
rxtid->progress = false;
memset(stats, 0, sizeof(struct rxtid_stats));
}
-void aggr_recv_addba_req_evt(struct ath6kl_vif *vif, u8 tid, u16 seq_no,
+void aggr_recv_addba_req_evt(struct ath6kl_vif *vif, u8 tid_mux, u16 seq_no,
u8 win_sz)
{
- struct aggr_info *p_aggr = vif->aggr_cntxt;
+ struct ath6kl_sta *sta;
+ struct aggr_info_conn *aggr_conn = NULL;
struct rxtid *rxtid;
struct rxtid_stats *stats;
u16 hold_q_size;
+ u8 tid, aid;
+
+ if (vif->nw_type == AP_NETWORK) {
+ aid = ath6kl_get_aid(tid_mux);
+ sta = ath6kl_find_sta_by_aid(vif->ar, aid);
+ if (sta)
+ aggr_conn = sta->aggr_conn;
+ } else
+ aggr_conn = vif->aggr_cntxt->aggr_conn;
- if (!p_aggr)
+ if (!aggr_conn)
return;
- rxtid = &p_aggr->rx_tid[tid];
- stats = &p_aggr->stat[tid];
+ tid = ath6kl_get_tid(tid_mux);
+ if (tid >= NUM_OF_TIDS)
+ return;
+
+ rxtid = &aggr_conn->rx_tid[tid];
+ stats = &aggr_conn->stat[tid];
if (win_sz < AGGR_WIN_SZ_MIN || win_sz > AGGR_WIN_SZ_MAX)
ath6kl_dbg(ATH6KL_DBG_WLAN_RX, "%s: win_sz %d, tid %d\n",
__func__, win_sz, tid);
if (rxtid->aggr)
- aggr_delete_tid_state(p_aggr, tid);
+ aggr_delete_tid_state(aggr_conn, tid);
rxtid->seq_next = seq_no;
hold_q_size = TID_WINDOW_SZ(win_sz) * sizeof(struct skb_hold_q);
rxtid->aggr = true;
}
-struct aggr_info *aggr_init(struct net_device *dev)
+void aggr_conn_init(struct ath6kl_vif *vif, struct aggr_info *aggr_info,
+ struct aggr_info_conn *aggr_conn)
{
- struct aggr_info *p_aggr = NULL;
struct rxtid *rxtid;
u8 i;
- p_aggr = kzalloc(sizeof(struct aggr_info), GFP_KERNEL);
- if (!p_aggr) {
- ath6kl_err("failed to alloc memory for aggr_node\n");
- return NULL;
- }
-
- p_aggr->aggr_sz = AGGR_SZ_DEFAULT;
- p_aggr->dev = dev;
- init_timer(&p_aggr->timer);
- p_aggr->timer.function = aggr_timeout;
- p_aggr->timer.data = (unsigned long) p_aggr;
+ aggr_conn->aggr_sz = AGGR_SZ_DEFAULT;
+ aggr_conn->dev = vif->ndev;
+ init_timer(&aggr_conn->timer);
+ aggr_conn->timer.function = aggr_timeout;
+ aggr_conn->timer.data = (unsigned long) aggr_conn;
+ aggr_conn->aggr_info = aggr_info;
- p_aggr->timer_scheduled = false;
- skb_queue_head_init(&p_aggr->free_q);
-
- ath6kl_alloc_netbufs(&p_aggr->free_q, AGGR_NUM_OF_FREE_NETBUFS);
+ aggr_conn->timer_scheduled = false;
for (i = 0; i < NUM_OF_TIDS; i++) {
- rxtid = &p_aggr->rx_tid[i];
+ rxtid = &aggr_conn->rx_tid[i];
rxtid->aggr = false;
rxtid->progress = false;
rxtid->timer_mon = false;
spin_lock_init(&rxtid->lock);
}
+}
+
+struct aggr_info *aggr_init(struct ath6kl_vif *vif)
+{
+ struct aggr_info *p_aggr = NULL;
+
+ p_aggr = kzalloc(sizeof(struct aggr_info), GFP_KERNEL);
+ if (!p_aggr) {
+ ath6kl_err("failed to alloc memory for aggr_node\n");
+ return NULL;
+ }
+
+ p_aggr->aggr_conn = kzalloc(sizeof(struct aggr_info_conn), GFP_KERNEL);
+ if (!p_aggr->aggr_conn) {
+ ath6kl_err("failed to alloc memory for connection specific aggr info\n");
+ kfree(p_aggr);
+ return NULL;
+ }
+
+ aggr_conn_init(vif, p_aggr, p_aggr->aggr_conn);
+
+ skb_queue_head_init(&p_aggr->rx_amsdu_freeq);
+ ath6kl_alloc_netbufs(&p_aggr->rx_amsdu_freeq, AGGR_NUM_OF_FREE_NETBUFS);
+
return p_aggr;
}
-void aggr_recv_delba_req_evt(struct ath6kl_vif *vif, u8 tid)
+void aggr_recv_delba_req_evt(struct ath6kl_vif *vif, u8 tid_mux)
{
- struct aggr_info *p_aggr = vif->aggr_cntxt;
+ struct ath6kl_sta *sta;
struct rxtid *rxtid;
+ struct aggr_info_conn *aggr_conn = NULL;
+ u8 tid, aid;
- if (!p_aggr)
+ if (vif->nw_type == AP_NETWORK) {
+ aid = ath6kl_get_aid(tid_mux);
+ sta = ath6kl_find_sta_by_aid(vif->ar, aid);
+ if (sta)
+ aggr_conn = sta->aggr_conn;
+ } else
+ aggr_conn = vif->aggr_cntxt->aggr_conn;
+
+ if (!aggr_conn)
+ return;
+
+ tid = ath6kl_get_tid(tid_mux);
+ if (tid >= NUM_OF_TIDS)
return;
- rxtid = &p_aggr->rx_tid[tid];
+ rxtid = &aggr_conn->rx_tid[tid];
if (rxtid->aggr)
- aggr_delete_tid_state(p_aggr, tid);
+ aggr_delete_tid_state(aggr_conn, tid);
}
-void aggr_reset_state(struct aggr_info *aggr_info)
+void aggr_reset_state(struct aggr_info_conn *aggr_conn)
{
u8 tid;
+ if (!aggr_conn)
+ return;
+
+ if (aggr_conn->timer_scheduled) {
+ del_timer(&aggr_conn->timer);
+ aggr_conn->timer_scheduled = false;
+ }
+
for (tid = 0; tid < NUM_OF_TIDS; tid++)
- aggr_delete_tid_state(aggr_info, tid);
+ aggr_delete_tid_state(aggr_conn, tid);
}
/* clean up our amsdu buffer list */
void aggr_module_destroy(struct aggr_info *aggr_info)
{
- struct rxtid *rxtid;
- u8 i, k;
-
if (!aggr_info)
return;
- if (aggr_info->timer_scheduled) {
- del_timer(&aggr_info->timer);
- aggr_info->timer_scheduled = false;
- }
-
- for (i = 0; i < NUM_OF_TIDS; i++) {
- rxtid = &aggr_info->rx_tid[i];
- if (rxtid->hold_q) {
- for (k = 0; k < rxtid->hold_q_sz; k++)
- dev_kfree_skb(rxtid->hold_q[k].skb);
- kfree(rxtid->hold_q);
- }
-
- skb_queue_purge(&rxtid->q);
- }
-
- skb_queue_purge(&aggr_info->free_q);
+ aggr_reset_state(aggr_info->aggr_conn);
+ skb_queue_purge(&aggr_info->rx_amsdu_freeq);
+ kfree(aggr_info->aggr_conn);
kfree(aggr_info);
}
projects / cascardo / linux.git / blobdiff