#include "ieee80211_i.h"
#include "wme.h"
-static inline int WLAN_FC_IS_QOS_DATA(u16 fc)
-{
- return (fc & 0x8C) == 0x88;
-}
-
-
-ieee80211_txrx_result
-ieee80211_rx_h_parse_qos(struct ieee80211_txrx_data *rx)
-{
- u8 *data = rx->skb->data;
- int tid;
- unsigned int is_agg_frame = 0;
-
- /* does the frame have a qos control field? */
- if (WLAN_FC_IS_QOS_DATA(rx->fc)) {
- u8 *qc = data + ieee80211_get_hdrlen(rx->fc) - QOS_CONTROL_LEN;
-
- /* frame has qos control */
- rx->u.rx.qos_control = le16_to_cpu(*((__le16*)qc));
- tid = rx->u.rx.qos_control & QOS_CONTROL_TID_MASK;
- if (rx->u.rx.qos_control &
- IEEE80211_QOS_CONTROL_A_MSDU_PRESENT)
- is_agg_frame = 1;
- } else {
- if (unlikely((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT)) {
- /* Separate TID for management frames */
- tid = NUM_RX_DATA_QUEUES - 1;
- } else {
- /* no qos control present */
- tid = 0; /* 802.1d - Best Effort */
- }
- rx->u.rx.qos_control = 0;
- }
-#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
- I802_DEBUG_INC(rx->local->wme_rx_queue[tid]);
- if (rx->sta) {
- I802_DEBUG_INC(rx->sta->wme_rx_queue[tid]);
- }
-#endif /* CONFIG_MAC80211_DEBUG_COUNTERS */
-
- rx->u.rx.queue = tid;
- rx->u.rx.is_agg_frame = is_agg_frame;
- /* Set skb->priority to 1d tag if highest order bit of TID is not set.
- * For now, set skb->priority to 0 for other cases. */
- rx->skb->priority = (tid > 7) ? 0 : tid;
-
- return TXRX_CONTINUE;
-}
-
-
-ieee80211_txrx_result
-ieee80211_rx_h_remove_qos_control(struct ieee80211_txrx_data *rx)
-{
- u16 fc = rx->fc;
- u8 *data = rx->skb->data;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) data;
-
- if (!WLAN_FC_IS_QOS_DATA(fc))
- return TXRX_CONTINUE;
-
- /* remove the qos control field, update frame type and meta-data */
- memmove(data + 2, data, ieee80211_get_hdrlen(fc) - 2);
- hdr = (struct ieee80211_hdr *) skb_pull(rx->skb, 2);
- /* change frame type to non QOS */
- rx->fc = fc &= ~IEEE80211_STYPE_QOS_DATA;
- hdr->frame_control = cpu_to_le16(fc);
-
- return TXRX_CONTINUE;
-}
-
-
-#ifdef CONFIG_NET_SCHED
/* maximum number of hardware queues we support. */
#define TC_80211_MAX_QUEUES 8
static inline int classify80211(struct sk_buff *skb, struct Qdisc *qd)
{
struct ieee80211_local *local = wdev_priv(qd->dev->ieee80211_ptr);
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(qd->dev);
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
- struct ieee80211_tx_packet_data *pkt_data =
- (struct ieee80211_tx_packet_data *) skb->cb;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
unsigned short fc = le16_to_cpu(hdr->frame_control);
- int qos, tsid, dir;
+ int qos;
const int ieee802_1d_to_ac[8] = { 2, 3, 3, 2, 1, 1, 0, 0 };
/* see if frame is data or non data frame */
return IEEE80211_TX_QUEUE_DATA0;
}
- if (unlikely(pkt_data->mgmt_iface)) {
- /* Data frames from hostapd (mainly, EAPOL) use AC_VO
- * and they will include QoS control fields if
- * the target STA is using WME. */
- skb->priority = 7;
- return ieee802_1d_to_ac[skb->priority];
+ if (0 /* injected */) {
+ /* use AC from radiotap */
}
/* is this a QoS frame? */
/* use the data classifier to determine what 802.1d tag the
* data frame has */
skb->priority = classify_1d(skb, qd);
- tsid = 8 + skb->priority;
-
- /* FIXME: only uplink needs to be checked for Tx */
- dir = STA_TS_UPLINK;
-
- if ((sdata->type == IEEE80211_IF_TYPE_STA) &&
- (local->wmm_acm & BIT(skb->priority))) {
- switch (ifsta->ts_data[tsid][dir].status) {
- case TS_STATUS_ACTIVE:
- /* if TS Management is enabled, update used_time */
- ifsta->ts_data[tsid][dir].used_time_usec +=
- ifsta->MPDUExchangeTime;
- break;
- case TS_STATUS_THROTTLING:
- /* if admitted time is used up, refuse to send more */
- if (net_ratelimit())
- printk(KERN_DEBUG "QoS packet throttling\n");
- break;
- default:
- break;
- }
- }
/* in case we are a client verify acm is not set for this ac */
- while ((local->wmm_acm & BIT(skb->priority)) &&
- !((sdata->type == IEEE80211_IF_TYPE_STA) &&
- (ifsta->ts_data[skb->priority + EDCA_TSID_MIN][dir].status
- == TS_STATUS_ACTIVE))) {
+ while (unlikely(local->wmm_acm & BIT(skb->priority))) {
if (wme_downgrade_ac(skb)) {
/* No AC with lower priority has acm=0, drop packet. */
return -1;
struct Qdisc *qdisc;
int err, queue;
- if (pkt_data->requeue) {
+ if (pkt_data->flags & IEEE80211_TXPD_REQUEUE) {
skb_queue_tail(&q->requeued[pkt_data->queue], skb);
qd->q.qlen++;
return 0;
skb_queue_head_init(&q->requeued[i]);
q->queues[i] = qdisc_create_dflt(qd->dev, &pfifo_qdisc_ops,
qd->handle);
- if (q->queues[i] == 0) {
+ if (!q->queues[i]) {
q->queues[i] = &noop_qdisc;
printk(KERN_ERR "%s child qdisc %i creation failed", dev->name, i);
}
{
unregister_qdisc(&wme_qdisc_ops);
}
-#endif /* CONFIG_NET_SCHED */
projects / openwrt / openwrt.git / blobdiff