pci_unmap_single(priv->pdev, info->mapping,
info->skb->len, PCI_DMA_TODEVICE);
- memset(&txi->status, 0, sizeof(txi->status));
+ ieee80211_tx_info_clear_status(txi);
+
skb_pull(skb, sizeof(struct adm8211_tx_hdr));
memcpy(skb_push(skb, info->hdrlen), skb->cb, info->hdrlen);
- if (!(txi->flags & IEEE80211_TX_CTL_NO_ACK)) {
- if (status & TDES0_STATUS_ES)
- txi->status.excessive_retries = 1;
- else
- txi->flags |= IEEE80211_TX_STAT_ACK;
- }
+ if (!(txi->flags & IEEE80211_TX_CTL_NO_ACK) &&
+ !(status & TDES0_STATUS_ES))
+ txi->flags |= IEEE80211_TX_STAT_ACK;
+
ieee80211_tx_status_irqsafe(dev, skb);
info->skb = NULL;
struct ieee80211_hdr *hdr;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_rate *txrate = ieee80211_get_tx_rate(dev, info);
+ u8 rc_flags;
- short_preamble = !!(txrate->flags & IEEE80211_TX_CTL_SHORT_PREAMBLE);
+ rc_flags = info->control.rates[0].flags;
+ short_preamble = !!(rc_flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE);
plcp_signal = txrate->bitrate;
hdr = (struct ieee80211_hdr *)skb->data;
if (short_preamble)
txhdr->header_control |= cpu_to_le16(ADM8211_TXHDRCTL_SHORT_PREAMBLE);
- if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS)
+ if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS)
txhdr->header_control |= cpu_to_le16(ADM8211_TXHDRCTL_ENABLE_RTS);
- txhdr->retry_limit = info->control.retry_limit;
+ txhdr->retry_limit = info->control.rates[0].count;
adm8211_tx_raw(dev, skb, plcp_signal, hdrlen);
/* set up multi-rate retry capabilities */
if (sc->ah->ah_version == AR5K_AR5212) {
- hw->max_altrates = 3;
- hw->max_altrate_tries = 11;
+ hw->max_rates = 4;
+ hw->max_rate_tries = 11;
}
/* Finish private driver data initialization */
ieee80211_get_hdrlen_from_skb(skb), AR5K_PKT_TYPE_NORMAL,
(sc->power_level * 2),
ieee80211_get_tx_rate(sc->hw, info)->hw_value,
- info->control.retry_limit, keyidx, 0, flags, 0, 0);
+ info->control.rates[0].count, keyidx, 0, flags, 0, 0);
if (ret)
goto err_unmap;
break;
mrr_rate[i] = rate->hw_value;
- mrr_tries[i] = info->control.retries[i].limit;
+ mrr_tries[i] = info->control.rates[i + 1].count;
}
ah->ah_setup_mrr_tx_desc(ah, ds,
pci_unmap_single(sc->pdev, bf->skbaddr, skb->len,
PCI_DMA_TODEVICE);
- memset(&info->status, 0, sizeof(info->status));
- info->tx_rate_idx = ath5k_hw_to_driver_rix(sc,
- ts.ts_rate[ts.ts_final_idx]);
- info->status.retry_count = ts.ts_longretry;
-
+ ieee80211_tx_info_clear_status(info);
for (i = 0; i < 4; i++) {
- struct ieee80211_tx_altrate *r =
- &info->status.retries[i];
+ struct ieee80211_tx_rate *r =
+ &info->status.rates[i];
if (ts.ts_rate[i]) {
- r->rate_idx = ath5k_hw_to_driver_rix(sc, ts.ts_rate[i]);
- r->limit = ts.ts_retry[i];
+ r->idx = ath5k_hw_to_driver_rix(sc, ts.ts_rate[i]);
+ r->count = ts.ts_retry[i];
} else {
- r->rate_idx = -1;
- r->limit = 0;
+ r->idx = -1;
+ r->count = 0;
}
}
- info->status.excessive_retries = 0;
+ /* count the successful attempt as well */
+ info->status.rates[ts.ts_final_idx].count++;
+
if (unlikely(ts.ts_status)) {
sc->ll_stats.dot11ACKFailureCount++;
- if (ts.ts_status & AR5K_TXERR_XRETRY)
- info->status.excessive_retries = 1;
- else if (ts.ts_status & AR5K_TXERR_FILT)
+ if (ts.ts_status & AR5K_TXERR_FILT)
info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
} else {
info->flags |= IEEE80211_TX_STAT_ACK;
DPRINTF(sc, ATH_DBG_XMIT,
"%s: TX complete: skb: %p\n", __func__, skb);
+ ieee80211_tx_info_clear_status(tx_info);
if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK ||
tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
- /* free driver's private data area of tx_info */
- if (tx_info->driver_data[0] != NULL)
- kfree(tx_info->driver_data[0]);
- tx_info->driver_data[0] = NULL;
+ /* free driver's private data area of tx_info, XXX: HACK! */
+ if (tx_info->control.vif != NULL)
+ kfree(tx_info->control.vif);
+ tx_info->control.vif = NULL;
}
if (tx_status->flags & ATH_TX_BAR) {
tx_status->flags &= ~ATH_TX_BAR;
}
- if (tx_status->flags & (ATH_TX_ERROR | ATH_TX_XRETRY)) {
- if (!(tx_info->flags & IEEE80211_TX_CTL_NO_ACK)) {
- /* Frame was not ACKed, but an ACK was expected */
- tx_info->status.excessive_retries = 1;
- }
- } else {
+ if (!(tx_status->flags & (ATH_TX_ERROR | ATH_TX_XRETRY))) {
/* Frame was ACKed */
tx_info->flags |= IEEE80211_TX_STAT_ACK;
}
- tx_info->status.retry_count = tx_status->retries;
+ tx_info->status.rates[0].count = tx_status->retries + 1;
ieee80211_tx_status(hw, skb);
if (an)
hdr = (struct ieee80211_hdr *)skb->data;
fc = hdr->frame_control;
- tx_info_priv = (struct ath_tx_info_priv *)tx_info->driver_data[0];
+ /* XXX: UGLY HACK!! */
+ tx_info_priv = (struct ath_tx_info_priv *)tx_info->control.vif;
spin_lock_bh(&sc->node_lock);
an = ath_node_find(sc, hdr->addr1);
spin_unlock_bh(&sc->node_lock);
- if (!an || !priv_sta || !ieee80211_is_data(fc)) {
- if (tx_info->driver_data[0] != NULL) {
- kfree(tx_info->driver_data[0]);
- tx_info->driver_data[0] = NULL;
- }
+ if (tx_info_priv == NULL)
return;
- }
- if (tx_info->driver_data[0] != NULL) {
+
+ if (an && priv_sta && ieee80211_is_data(fc))
ath_rate_tx_complete(sc, an, priv_sta, tx_info_priv);
- kfree(tx_info->driver_data[0]);
- tx_info->driver_data[0] = NULL;
- }
+
+ kfree(tx_info_priv);
+ tx_info->control.vif = NULL;
}
static void ath_tx_aggr_resp(struct ath_softc *sc,
}
}
-static void ath_get_rate(void *priv, struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta, void *priv_sta,
- struct sk_buff *skb, struct rate_selection *sel)
+static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
+ struct ieee80211_tx_rate_control *txrc)
{
+ struct ieee80211_supported_band *sband = txrc->sband;
+ struct sk_buff *skb = txrc->skb;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ath_softc *sc = priv;
struct ieee80211_hw *hw = sc->hw;
DPRINTF(sc, ATH_DBG_RATE, "%s\n", __func__);
- /* allocate driver private area of tx_info */
- tx_info->driver_data[0] = kzalloc(sizeof(*tx_info_priv), GFP_ATOMIC);
- ASSERT(tx_info->driver_data[0] != NULL);
- tx_info_priv = (struct ath_tx_info_priv *)tx_info->driver_data[0];
+ /* allocate driver private area of tx_info, XXX: UGLY HACK! */
+ tx_info->control.vif = kzalloc(sizeof(*tx_info_priv), GFP_ATOMIC);
+ tx_info_priv = (struct ath_tx_info_priv *)tx_info->control.vif;
+ ASSERT(tx_info_priv != NULL);
lowest_idx = rate_lowest_index(sband, sta);
tx_info_priv->min_rate = (sband->bitrates[lowest_idx].bitrate * 2) / 10;
/* lowest rate for management and multicast/broadcast frames */
if (!ieee80211_is_data(fc) ||
is_multicast_ether_addr(hdr->addr1) || !sta) {
- sel->rate_idx = lowest_idx;
+ tx_info->control.rates[0].idx = lowest_idx;
return;
}
tx_info_priv->rcs,
&is_probe,
false);
+#if 0
if (is_probe)
sel->probe_idx = ath_rc_priv->tx_ratectrl.probe_rate;
+#endif
/* Ratecontrol sometimes returns invalid rate index */
if (tx_info_priv->rcs[0].rix != 0xff)
else
tx_info_priv->rcs[0].rix = ath_rc_priv->prev_data_rix;
- sel->rate_idx = tx_info_priv->rcs[0].rix;
+ tx_info->control.rates[0].idx = tx_info_priv->rcs[0].rix;
/* Check if aggregation has to be enabled for this tid */
hdr = (struct ieee80211_hdr *)skb->data;
fc = hdr->frame_control;
- tx_info_priv = (struct ath_tx_info_priv *)tx_info->driver_data[0];
+
+ /* XXX: HACK! */
+ tx_info_priv = (struct ath_tx_info_priv *)tx_info->control.vif;
if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc)) {
txctl->use_minrate = 1;
if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK)
txctl->flags |= ATH9K_TXDESC_NOACK;
- if (tx_info->flags & IEEE80211_TX_CTL_USE_RTS_CTS)
+
+ if (tx_info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
txctl->flags |= ATH9K_TXDESC_RTSENA;
/*
* Setup for rate calculations.
*/
- tx_info_priv = (struct ath_tx_info_priv *)tx_info->driver_data[0];
+
+ /* XXX: HACK! */
+ tx_info_priv = (struct ath_tx_info_priv *)tx_info->control.vif;
rcs = tx_info_priv->rcs;
if (ieee80211_is_data(fc) && !txctl->use_minrate) {
skb = (struct sk_buff *)bf->bf_mpdu;
tx_info = IEEE80211_SKB_CB(skb);
- tx_info_priv = (struct ath_tx_info_priv *)tx_info->driver_data[0];
+
+ /* XXX: HACK! */
+ tx_info_priv = (struct ath_tx_info_priv *)tx_info->control.vif;
memcpy(bf->bf_rcs, tx_info_priv->rcs, 4 * sizeof(tx_info_priv->rcs[0]));
/* update starting sequence number for subsequent ADDBA request */
}
skb = bf->bf_mpdu;
tx_info = IEEE80211_SKB_CB(skb);
- tx_info_priv = (struct ath_tx_info_priv *)
- tx_info->driver_data[0];
+
+ /* XXX: HACK! */
+ tx_info_priv = (struct ath_tx_info_priv *) tx_info->control.vif;
if (ds->ds_txstat.ts_status & ATH9K_TXERR_FILT)
tx_info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
if ((ds->ds_txstat.ts_status & ATH9K_TXERR_FILT) == 0 &&
skb = (struct sk_buff *)bf->bf_mpdu;
tx_info = IEEE80211_SKB_CB(skb);
- tx_info_priv = (struct ath_tx_info_priv *)tx_info->driver_data[0];
+ /* XXX: HACK! */
+ tx_info_priv = (struct ath_tx_info_priv *)tx_info->control.vif;
memcpy(bf->bf_rcs, tx_info_priv->rcs, 4 * sizeof(tx_info_priv->rcs[0]));
/* Add sub-frame to BAW */
skb = (struct sk_buff *)bf->bf_mpdu;
tx_info = IEEE80211_SKB_CB(skb);
tx_info_priv = (struct ath_tx_info_priv *)
- tx_info->driver_data[0];
+ tx_info->control.vif; /* XXX: HACK! */
memcpy(bf->bf_rcs,
tx_info_priv->rcs, 4 * sizeof(tx_info_priv->rcs[0]));
bf->bf_flags = txctl->flags;
bf->bf_keytype = txctl->keytype;
- tx_info_priv = (struct ath_tx_info_priv *)tx_info->driver_data[0];
+ /* XXX: HACK! */
+ tx_info_priv = (struct ath_tx_info_priv *)tx_info->control.vif;
rcs = tx_info_priv->rcs;
bf->bf_rcs[0] = rcs[0];
bf->bf_rcs[1] = rcs[1];
info = IEEE80211_SKB_CB(meta->skb);
- memset(&info->status, 0, sizeof(info->status));
-
/*
* Call back to inform the ieee80211 subsystem about
* the status of the transmission.
*/
- frame_succeed = b43_fill_txstatus_report(info, status);
+ frame_succeed = b43_fill_txstatus_report(dev, info, status);
#ifdef CONFIG_B43_DEBUG
if (frame_succeed)
ring->nr_succeed_tx_packets++;
BIT(NL80211_IFTYPE_ADHOC);
hw->queues = b43_modparam_qos ? 4 : 1;
- hw->max_altrates = 1;
+ hw->max_rates = 2;
SET_IEEE80211_DEV(hw, dev->dev);
if (is_valid_ether_addr(sprom->et1mac))
SET_IEEE80211_PERM_ADDR(hw, sprom->et1mac);
spin_lock(&q->lock); /* IRQs are already disabled. */
info = IEEE80211_SKB_CB(pack->skb);
- memset(&info->status, 0, sizeof(info->status));
- b43_fill_txstatus_report(info, status);
+ b43_fill_txstatus_report(dev, info, status);
total_len = pack->skb->len + b43_txhdr_size(dev);
total_len = roundup(total_len, 4);
u8 *_txhdr,
const unsigned char *fragment_data,
unsigned int fragment_len,
- const struct ieee80211_tx_info *info,
+ struct ieee80211_tx_info *info,
u16 cookie)
{
struct b43_txhdr *txhdr = (struct b43_txhdr *)_txhdr;
u16 phy_ctl = 0;
u8 extra_ft = 0;
struct ieee80211_rate *txrate;
+ struct ieee80211_tx_rate *rates;
memset(txhdr, 0, sizeof(*txhdr));
phy_ctl |= B43_TXH_PHY_ENC_OFDM;
else
phy_ctl |= B43_TXH_PHY_ENC_CCK;
- if (info->flags & IEEE80211_TX_CTL_SHORT_PREAMBLE)
+ if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
phy_ctl |= B43_TXH_PHY_SHORTPRMBL;
switch (b43_ieee80211_antenna_sanitize(dev, info->antenna_sel_tx)) {
B43_WARN_ON(1);
}
+ rates = info->control.rates;
/* MAC control */
if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
mac_ctl |= B43_TXH_MAC_ACK;
mac_ctl |= B43_TXH_MAC_STMSDU;
if (phy->type == B43_PHYTYPE_A)
mac_ctl |= B43_TXH_MAC_5GHZ;
- if (info->flags & IEEE80211_TX_CTL_LONG_RETRY_LIMIT)
+
+ /* Overwrite rates[0].count to make the retry calculation
+ * in the tx status easier. need the actual retry limit to
+ * detect whether the fallback rate was used.
+ */
+ if ((rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) ||
+ (rates[0].count <= dev->wl->hw->conf.long_frame_max_tx_count)) {
+ rates[0].count = dev->wl->hw->conf.long_frame_max_tx_count;
mac_ctl |= B43_TXH_MAC_LONGFRAME;
+ } else {
+ rates[0].count = dev->wl->hw->conf.short_frame_max_tx_count;
+ }
/* Generate the RTS or CTS-to-self frame */
- if ((info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) ||
- (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)) {
+ if ((rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) ||
+ (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)) {
unsigned int len;
struct ieee80211_hdr *hdr;
int rts_rate, rts_rate_fb;
rts_rate_fb = b43_calc_fallback_rate(rts_rate);
rts_rate_fb_ofdm = b43_is_ofdm_rate(rts_rate_fb);
- if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) {
+ if (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
struct ieee80211_cts *cts;
if (b43_is_old_txhdr_format(dev)) {
/* Fill out the mac80211 TXstatus report based on the b43-specific
* txstatus report data. This returns a boolean whether the frame was
* successfully transmitted. */
-bool b43_fill_txstatus_report(struct ieee80211_tx_info *report,
+bool b43_fill_txstatus_report(struct b43_wldev *dev,
+ struct ieee80211_tx_info *report,
const struct b43_txstatus *status)
{
bool frame_success = 1;
+ int retry_limit;
+
+ /* preserve the confiured retry limit before clearing the status
+ * The xmit function has overwritten the rc's value with the actual
+ * retry limit done by the hardware */
+ retry_limit = report->status.rates[0].count;
+ ieee80211_tx_info_clear_status(report);
if (status->acked) {
/* The frame was ACKed. */
if (!(report->flags & IEEE80211_TX_CTL_NO_ACK)) {
/* ...but we expected an ACK. */
frame_success = 0;
- report->status.excessive_retries = 1;
}
}
if (status->frame_count == 0) {
/* The frame was not transmitted at all. */
- report->status.retry_count = 0;
- } else
- report->status.retry_count = status->frame_count - 1;
+ report->status.rates[0].count = 0;
+ } else if (status->rts_count > dev->wl->hw->conf.short_frame_max_tx_count) {
+ /*
+ * If the short retries (RTS, not data frame) have exceeded
+ * the limit, the hw will not have tried the selected rate,
+ * but will have used the fallback rate instead.
+ * Don't let the rate control count attempts for the selected
+ * rate in this case, otherwise the statistics will be off.
+ */
+ report->status.rates[0].count = 0;
+ report->status.rates[1].count = status->frame_count;
+ } else {
+ if (status->frame_count > retry_limit) {
+ report->status.rates[0].count = retry_limit;
+ report->status.rates[1].count = status->frame_count -
+ retry_limit;
+
+ } else {
+ report->status.rates[0].count = status->frame_count;
+ report->status.rates[1].idx = -1;
+ }
+ }
return frame_success;
}
u8 * txhdr,
const unsigned char *fragment_data,
unsigned int fragment_len,
- const struct ieee80211_tx_info *txctl, u16 cookie);
+ struct ieee80211_tx_info *txctl, u16 cookie);
/* Transmit Status */
struct b43_txstatus {
void b43_handle_txstatus(struct b43_wldev *dev,
const struct b43_txstatus *status);
-bool b43_fill_txstatus_report(struct ieee80211_tx_info *report,
+bool b43_fill_txstatus_report(struct b43_wldev *dev,
+ struct ieee80211_tx_info *report,
const struct b43_txstatus *status);
void b43_tx_suspend(struct b43_wldev *dev);
struct b43legacy_dmaring *ring;
struct b43legacy_dmadesc_generic *desc;
struct b43legacy_dmadesc_meta *meta;
+ int retry_limit;
int slot;
ring = parse_cookie(dev, status->cookie, &slot);
struct ieee80211_tx_info *info;
BUG_ON(!meta->skb);
info = IEEE80211_SKB_CB(meta->skb);
- /* Call back to inform the ieee80211 subsystem about the
- * status of the transmission.
- * Some fields of txstat are already filled in dma_tx().
- */
- memset(&info->status, 0, sizeof(info->status));
+ /* preserve the confiured retry limit before clearing the status
+ * The xmit function has overwritten the rc's value with the actual
+ * retry limit done by the hardware */
+ retry_limit = info->status.rates[0].count;
+ ieee80211_tx_info_clear_status(info);
- if (status->acked) {
+ if (status->acked)
info->flags |= IEEE80211_TX_STAT_ACK;
+
+ if (status->rts_count > dev->wl->hw->conf.short_frame_max_tx_count) {
+ /*
+ * If the short retries (RTS, not data frame) have exceeded
+ * the limit, the hw will not have tried the selected rate,
+ * but will have used the fallback rate instead.
+ * Don't let the rate control count attempts for the selected
+ * rate in this case, otherwise the statistics will be off.
+ */
+ info->status.rates[0].count = 0;
+ info->status.rates[1].count = status->frame_count;
} else {
- if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
- info->status.excessive_retries = 1;
+ if (status->frame_count > retry_limit) {
+ info->status.rates[0].count = retry_limit;
+ info->status.rates[1].count = status->frame_count -
+ retry_limit;
+
+ } else {
+ info->status.rates[0].count = status->frame_count;
+ info->status.rates[1].idx = -1;
+ }
}
- if (status->frame_count == 0) {
- /* The frame was not transmitted at all. */
- info->status.retry_count = 0;
- } else
- info->status.retry_count = status->frame_count
- - 1;
+
+ /* Call back to inform the ieee80211 subsystem about the
+ * status of the transmission.
+ * Some fields of txstat are already filled in dma_tx().
+ */
ieee80211_tx_status_irqsafe(dev->wl->hw, meta->skb);
/* skb is freed by ieee80211_tx_status_irqsafe() */
meta->skb = NULL;
BIT(NL80211_IFTYPE_WDS) |
BIT(NL80211_IFTYPE_ADHOC);
hw->queues = 1; /* FIXME: hardware has more queues */
- hw->max_altrates = 1;
+ hw->max_rates = 2;
SET_IEEE80211_DEV(hw, dev->dev);
if (is_valid_ether_addr(sprom->et1mac))
SET_IEEE80211_PERM_ADDR(hw, sprom->et1mac);
struct b43legacy_pioqueue *queue;
struct b43legacy_pio_txpacket *packet;
struct ieee80211_tx_info *info;
+ int retry_limit;
queue = parse_cookie(dev, status->cookie, &packet);
B43legacy_WARN_ON(!queue);
sizeof(struct b43legacy_txhdr_fw3));
info = IEEE80211_SKB_CB(packet->skb);
- memset(&info->status, 0, sizeof(info->status));
+
+ /* preserve the confiured retry limit before clearing the status
+ * The xmit function has overwritten the rc's value with the actual
+ * retry limit done by the hardware */
+ retry_limit = info->status.rates[0].count;
+ ieee80211_tx_info_clear_status(info);
if (status->acked)
info->flags |= IEEE80211_TX_STAT_ACK;
- info->status.retry_count = status->frame_count - 1;
+
+ if (status->rts_count > dev->wl->hw->conf.short_frame_max_tx_count) {
+ /*
+ * If the short retries (RTS, not data frame) have exceeded
+ * the limit, the hw will not have tried the selected rate,
+ * but will have used the fallback rate instead.
+ * Don't let the rate control count attempts for the selected
+ * rate in this case, otherwise the statistics will be off.
+ */
+ info->status.rates[0].count = 0;
+ info->status.rates[1].count = status->frame_count;
+ } else {
+ if (status->frame_count > retry_limit) {
+ info->status.rates[0].count = retry_limit;
+ info->status.rates[1].count = status->frame_count -
+ retry_limit;
+
+ } else {
+ info->status.rates[0].count = status->frame_count;
+ info->status.rates[1].idx = -1;
+ }
+ }
ieee80211_tx_status_irqsafe(dev->wl->hw, packet->skb);
packet->skb = NULL;
struct b43legacy_txhdr_fw3 *txhdr,
const unsigned char *fragment_data,
unsigned int fragment_len,
- const struct ieee80211_tx_info *info,
+ struct ieee80211_tx_info *info,
u16 cookie)
{
const struct ieee80211_hdr *wlhdr;
u32 mac_ctl = 0;
u16 phy_ctl = 0;
struct ieee80211_rate *tx_rate;
+ struct ieee80211_tx_rate *rates;
wlhdr = (const struct ieee80211_hdr *)fragment_data;
/* PHY TX Control word */
if (rate_ofdm)
phy_ctl |= B43legacy_TX4_PHY_OFDM;
- if (dev->short_preamble)
+ if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
phy_ctl |= B43legacy_TX4_PHY_SHORTPRMBL;
switch (info->antenna_sel_tx) {
case 0:
}
/* MAC control */
+ rates = info->control.rates;
if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
mac_ctl |= B43legacy_TX4_MAC_ACK;
if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)
mac_ctl |= B43legacy_TX4_MAC_STMSDU;
if (rate_fb_ofdm)
mac_ctl |= B43legacy_TX4_MAC_FALLBACKOFDM;
- if (info->flags & IEEE80211_TX_CTL_LONG_RETRY_LIMIT)
+
+ /* Overwrite rates[0].count to make the retry calculation
+ * in the tx status easier. need the actual retry limit to
+ * detect whether the fallback rate was used.
+ */
+ if ((rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) ||
+ (rates[0].count <= dev->wl->hw->conf.long_frame_max_tx_count)) {
+ rates[0].count = dev->wl->hw->conf.long_frame_max_tx_count;
mac_ctl |= B43legacy_TX4_MAC_LONGFRAME;
+ } else {
+ rates[0].count = dev->wl->hw->conf.short_frame_max_tx_count;
+ }
/* Generate the RTS or CTS-to-self frame */
- if ((info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) ||
- (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)) {
+ if ((rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) ||
+ (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)) {
unsigned int len;
struct ieee80211_hdr *hdr;
int rts_rate;
if (rts_rate_fb_ofdm)
mac_ctl |= B43legacy_TX4_MAC_CTSFALLBACKOFDM;
- if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) {
+ if (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
ieee80211_ctstoself_get(dev->wl->hw,
info->control.vif,
fragment_data,
u8 *txhdr,
const unsigned char *fragment_data,
unsigned int fragment_len,
- const struct ieee80211_tx_info *info,
+ struct ieee80211_tx_info *info,
u16 cookie)
{
return generate_txhdr_fw3(dev, (struct b43legacy_txhdr_fw3 *)txhdr,
u8 *txhdr,
const unsigned char *fragment_data,
unsigned int fragment_len,
- const struct ieee80211_tx_info *info,
+ struct ieee80211_tx_info *info,
u16 cookie);
}
-/*
- * get ieee prev rate from rate scale table.
- * for A and B mode we need to overright prev
- * value
- */
-static int rs_adjust_next_rate(struct iwl3945_priv *priv, int rate)
-{
- int next_rate = iwl3945_get_prev_ieee_rate(rate);
-
- switch (priv->band) {
- case IEEE80211_BAND_5GHZ:
- if (rate == IWL_RATE_12M_INDEX)
- next_rate = IWL_RATE_9M_INDEX;
- else if (rate == IWL_RATE_6M_INDEX)
- next_rate = IWL_RATE_6M_INDEX;
- break;
-/* XXX cannot be invoked in current mac80211 so not a regression
- case MODE_IEEE80211B:
- if (rate == IWL_RATE_11M_INDEX_TABLE)
- next_rate = IWL_RATE_5M_INDEX_TABLE;
- break;
- */
- default:
- break;
- }
-
- return next_rate;
-}
/**
* rs_tx_status - Update rate control values based on Tx results
*
struct ieee80211_sta *sta, void *priv_sta,
struct sk_buff *skb)
{
- u8 retries, current_count;
+ u8 retries = 0, current_count;
int scale_rate_index, first_index, last_index;
unsigned long flags;
struct iwl3945_priv *priv = (struct iwl3945_priv *)priv_rate;
struct iwl3945_rs_sta *rs_sta = priv_sta;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ int i;
IWL_DEBUG_RATE("enter\n");
- retries = info->status.retry_count;
- first_index = sband->bitrates[info->tx_rate_idx].hw_value;
+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++)
+ retries += info->status.rates[i].count;
+ retries--;
+
+ first_index = sband->bitrates[info->status.rates[0].idx].hw_value;
if ((first_index < 0) || (first_index >= IWL_RATE_COUNT)) {
IWL_DEBUG_RATE("leave: Rate out of bounds: %d\n", first_index);
return;
last_index = scale_rate_index;
} else {
current_count = priv->retry_rate;
- last_index = rs_adjust_next_rate(priv,
+ last_index = iwl3945_rs_next_rate(priv,
scale_rate_index);
}
if (retries)
scale_rate_index =
- rs_adjust_next_rate(priv, scale_rate_index);
+ iwl3945_rs_next_rate(priv, scale_rate_index);
}
* rate table and must reference the driver allocated rate table
*
*/
-static void rs_get_rate(void *priv_r, struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta, void *priv_sta,
- struct sk_buff *skb, struct rate_selection *sel)
+static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta,
+ void *priv_sta, struct ieee80211_tx_rate_control *txrc)
{
+ struct ieee80211_supported_band *sband = txrc->sband;
+ struct sk_buff *skb = txrc->skb;
u8 low = IWL_RATE_INVALID;
u8 high = IWL_RATE_INVALID;
u16 high_low;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
u16 fc, rate_mask;
struct iwl3945_priv *priv = (struct iwl3945_priv *)priv_r;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
IWL_DEBUG_RATE("enter\n");
is_multicast_ether_addr(hdr->addr1) ||
!sta || !priv_sta) {
IWL_DEBUG_RATE("leave: No STA priv data to update!\n");
- sel->rate_idx = rate_lowest_index(sband, sta);
+ info->control.rates[0].idx = rate_lowest_index(sband, sta);
return;
}
rs_sta->last_txrate_idx = index;
if (sband->band == IEEE80211_BAND_5GHZ)
- sel->rate_idx = rs_sta->last_txrate_idx - IWL_FIRST_OFDM_RATE;
+ info->control.rates[0].idx = rs_sta->last_txrate_idx -
+ IWL_FIRST_OFDM_RATE;
else
- sel->rate_idx = rs_sta->last_txrate_idx;
+ info->control.rates[0].idx = rs_sta->last_txrate_idx;
IWL_DEBUG_RATE("leave: %d\n", index);
}
}
#endif
+/*
+ * get ieee prev rate from rate scale table.
+ * for A and B mode we need to overright prev
+ * value
+ */
+int iwl3945_rs_next_rate(struct iwl3945_priv *priv, int rate)
+{
+ int next_rate = iwl3945_get_prev_ieee_rate(rate);
+
+ switch (priv->band) {
+ case IEEE80211_BAND_5GHZ:
+ if (rate == IWL_RATE_12M_INDEX)
+ next_rate = IWL_RATE_9M_INDEX;
+ else if (rate == IWL_RATE_6M_INDEX)
+ next_rate = IWL_RATE_6M_INDEX;
+ break;
+/* XXX cannot be invoked in current mac80211 so not a regression
+ case MODE_IEEE80211B:
+ if (rate == IWL_RATE_11M_INDEX_TABLE)
+ next_rate = IWL_RATE_5M_INDEX_TABLE;
+ break;
+ */
+ default:
+ break;
+ }
+
+ return next_rate;
+}
+
/**
* iwl3945_tx_queue_reclaim - Reclaim Tx queue entries already Tx'd
struct iwl3945_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
u32 status = le32_to_cpu(tx_resp->status);
int rate_idx;
+ int fail, i;
if ((index >= txq->q.n_bd) || (iwl3945_x2_queue_used(&txq->q, index) == 0)) {
IWL_ERROR("Read index for DMA queue txq_id (%d) index %d "
}
info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb[0]);
- memset(&info->status, 0, sizeof(info->status));
+ ieee80211_tx_info_clear_status(info);
+
+ /* Fill the MRR chain with some info about on-chip retransmissions */
+ rate_idx = iwl3945_hwrate_to_plcp_idx(tx_resp->rate);
+ if (info->band == IEEE80211_BAND_5GHZ)
+ rate_idx -= IWL_FIRST_OFDM_RATE;
+
+ fail = tx_resp->failure_frame;
+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+ int next = iwl3945_rs_next_rate(priv, rate_idx);
+
+ info->status.rates[i].idx = rate_idx;
+
+ /*
+ * Put remaining into the last count as best approximation
+ * of saying exactly what the hardware would have done...
+ */
+ if ((rate_idx == next) || (i == IEEE80211_TX_MAX_RATES - 1)) {
+ info->status.rates[i].count = fail;
+ break;
+ }
+
+ info->status.rates[i].count = priv->retry_rate;
+ fail -= priv->retry_rate;
+ rate_idx = next;
+ if (fail <= 0)
+ break;
+ }
+ info->status.rates[i].count++; /* add final attempt */
- info->status.retry_count = tx_resp->failure_frame;
/* tx_status->rts_retry_count = tx_resp->failure_rts; */
info->flags |= ((status & TX_STATUS_MSK) == TX_STATUS_SUCCESS) ?
IEEE80211_TX_STAT_ACK : 0;
txq_id, iwl3945_get_tx_fail_reason(status), status,
tx_resp->rate, tx_resp->failure_frame);
- rate_idx = iwl3945_hwrate_to_plcp_idx(tx_resp->rate);
- if (info->band == IEEE80211_BAND_5GHZ)
- rate_idx -= IWL_FIRST_OFDM_RATE;
- info->tx_rate_idx = rate_idx;
IWL_DEBUG_TX_REPLY("Tx queue reclaim %d\n", index);
iwl3945_tx_queue_reclaim(priv, txq_id, index);
extern const struct iwl3945_channel_info *iwl3945_get_channel_info(
const struct iwl3945_priv *priv, enum ieee80211_band band, u16 channel);
+extern int iwl3945_rs_next_rate(struct iwl3945_priv *priv, int rate);
+
/* Requires full declaration of iwl3945_priv before including */
#include "iwl-3945-io.h"
static void iwl4965_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
__le32 *tx_flags)
{
- if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) {
+ if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) {
*tx_flags |= TX_CMD_FLG_RTS_MSK;
*tx_flags &= ~TX_CMD_FLG_CTS_MSK;
- } else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) {
+ } else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
*tx_flags &= ~TX_CMD_FLG_RTS_MSK;
*tx_flags |= TX_CMD_FLG_CTS_MSK;
}
agg->frame_count, agg->start_idx, idx);
info = IEEE80211_SKB_CB(priv->txq[txq_id].txb[idx].skb[0]);
- info->status.retry_count = tx_resp->failure_frame;
+ info->status.rates[0].count = tx_resp->failure_frame + 1;
info->flags &= ~IEEE80211_TX_CTL_AMPDU;
info->flags |= iwl_is_tx_success(status)?
IEEE80211_TX_STAT_ACK : 0;
iwl_txq_check_empty(priv, sta_id, tid, txq_id);
}
} else {
- info->status.retry_count = tx_resp->failure_frame;
+ info->status.rates[0].count = tx_resp->failure_frame + 1;
info->flags |=
iwl_is_tx_success(status) ? IEEE80211_TX_STAT_ACK : 0;
iwl_hwrate_to_tx_control(priv,
static void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
__le32 *tx_flags)
{
- if ((info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) ||
- (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT))
+ if ((info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) ||
+ (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT))
*tx_flags |= TX_CMD_FLG_RTS_CTS_MSK;
else
*tx_flags &= ~TX_CMD_FLG_RTS_CTS_MSK;
agg->frame_count, agg->start_idx, idx);
info = IEEE80211_SKB_CB(priv->txq[txq_id].txb[idx].skb[0]);
- info->status.retry_count = tx_resp->failure_frame;
+ info->status.rates[0].count = tx_resp->failure_frame + 1;
info->flags &= ~IEEE80211_TX_CTL_AMPDU;
info->flags |= iwl_is_tx_success(status)?
IEEE80211_TX_STAT_ACK : 0;
iwl_txq_check_empty(priv, sta_id, tid, txq_id);
}
} else {
- info->status.retry_count = tx_resp->failure_frame;
+ info->status.rates[0].count = tx_resp->failure_frame + 1;
info->flags =
iwl_is_tx_success(status) ? IEEE80211_TX_STAT_ACK : 0;
iwl_hwrate_to_tx_control(priv,
!(info->flags & IEEE80211_TX_STAT_AMPDU))
return;
- retries = info->status.retry_count;
+ retries = info->status.rates[0].count - 1;
if (retries > 15)
retries = 15;
if (priv->band == IEEE80211_BAND_5GHZ)
rs_index -= IWL_FIRST_OFDM_RATE;
- if ((info->tx_rate_idx < 0) ||
- (tbl_type.is_SGI ^
- !!(info->flags & IEEE80211_TX_CTL_SHORT_GI)) ||
- (tbl_type.is_fat ^
- !!(info->flags & IEEE80211_TX_CTL_40_MHZ_WIDTH)) ||
- (tbl_type.is_dup ^
- !!(info->flags & IEEE80211_TX_CTL_DUP_DATA)) ||
- (tbl_type.ant_type ^ info->antenna_sel_tx) ||
- (!!(tx_rate & RATE_MCS_HT_MSK) ^
- !!(info->flags & IEEE80211_TX_CTL_OFDM_HT)) ||
- (!!(tx_rate & RATE_MCS_GF_MSK) ^
- !!(info->flags & IEEE80211_TX_CTL_GREEN_FIELD)) ||
+ if ((info->status.rates[0].idx < 0) ||
+ (tbl_type.is_SGI != !!(info->status.rates[0].flags & IEEE80211_TX_RC_SHORT_GI)) ||
+ (tbl_type.is_fat != !!(info->status.rates[0].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)) ||
+ (tbl_type.is_dup != !!(info->status.rates[0].flags & IEEE80211_TX_RC_DUP_DATA)) ||
+ (tbl_type.ant_type != info->antenna_sel_tx) ||
+ (!!(tx_rate & RATE_MCS_HT_MSK) != !!(info->status.rates[0].flags & IEEE80211_TX_RC_MCS)) ||
+ (!!(tx_rate & RATE_MCS_GF_MSK) != !!(info->status.rates[0].flags & IEEE80211_TX_RC_GREEN_FIELD)) ||
(hw->wiphy->bands[priv->band]->bitrates[rs_index].bitrate !=
- hw->wiphy->bands[info->band]->bitrates[info->tx_rate_idx].bitrate)) {
+ hw->wiphy->bands[info->band]->bitrates[info->status.rates[0].idx].bitrate)) {
IWL_DEBUG_RATE("initial rate does not match 0x%x\n", tx_rate);
goto out;
}
return;
}
-static void rs_get_rate(void *priv_r, struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta, void *priv_sta,
- struct sk_buff *skb, struct rate_selection *sel)
+static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, void *priv_sta,
+ struct ieee80211_tx_rate_control *txrc)
{
int i;
+ struct sk_buff *skb = txrc->skb;
+ struct ieee80211_supported_band *sband = txrc->sband;
struct iwl_priv *priv = (struct iwl_priv *)priv_r;
struct ieee80211_conf *conf = &priv->hw->conf;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
__le16 fc;
struct iwl_lq_sta *lq_sta;
fc = hdr->frame_control;
if (!ieee80211_is_data(fc) || is_multicast_ether_addr(hdr->addr1) ||
!sta || !priv_sta) {
- sel->rate_idx = rate_lowest_index(sband, sta);
+ info->control.rates[0].idx = rate_lowest_index(sband, sta);
return;
}
}
if ((i < 0) || (i > IWL_RATE_COUNT)) {
- sel->rate_idx = rate_lowest_index(sband, sta);
+ info->control.rates[0].idx = rate_lowest_index(sband, sta);
return;
}
if (sband->band == IEEE80211_BAND_5GHZ)
i -= IWL_FIRST_OFDM_RATE;
- sel->rate_idx = i;
+ info->control.rates[0].idx = i;
}
static void *rs_alloc_sta(void *priv_rate, struct ieee80211_sta *sta,
* translate ucode response to mac80211 tx status control values
*/
void iwl_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags,
- struct ieee80211_tx_info *control)
+ struct ieee80211_tx_info *info)
{
int rate_index;
+ struct ieee80211_tx_rate *r = &info->control.rates[0];
- control->antenna_sel_tx =
+ info->antenna_sel_tx =
((rate_n_flags & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS);
if (rate_n_flags & RATE_MCS_HT_MSK)
- control->flags |= IEEE80211_TX_CTL_OFDM_HT;
+ r->flags |= IEEE80211_TX_RC_MCS;
if (rate_n_flags & RATE_MCS_GF_MSK)
- control->flags |= IEEE80211_TX_CTL_GREEN_FIELD;
+ r->flags |= IEEE80211_TX_RC_GREEN_FIELD;
if (rate_n_flags & RATE_MCS_FAT_MSK)
- control->flags |= IEEE80211_TX_CTL_40_MHZ_WIDTH;
+ r->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
if (rate_n_flags & RATE_MCS_DUP_MSK)
- control->flags |= IEEE80211_TX_CTL_DUP_DATA;
+ r->flags |= IEEE80211_TX_RC_DUP_DATA;
if (rate_n_flags & RATE_MCS_SGI_MSK)
- control->flags |= IEEE80211_TX_CTL_SHORT_GI;
+ r->flags |= IEEE80211_TX_RC_SHORT_GI;
rate_index = iwl_hwrate_to_plcp_idx(rate_n_flags);
- if (control->band == IEEE80211_BAND_5GHZ)
+ if (info->band == IEEE80211_BAND_5GHZ)
rate_index -= IWL_FIRST_OFDM_RATE;
- control->tx_rate_idx = rate_index;
+ r->idx = rate_index;
}
EXPORT_SYMBOL(iwl_hwrate_to_tx_control);
{
__le16 fc = hdr->frame_control;
__le32 tx_flags = cmd->cmd.tx.tx_flags;
+ u8 rc_flags = info->control.rates[0].flags;
cmd->cmd.tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
}
- if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) {
+ if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS) {
tx_flags |= TX_CMD_FLG_RTS_MSK;
tx_flags &= ~TX_CMD_FLG_CTS_MSK;
- } else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) {
+ } else if (rc_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
tx_flags &= ~TX_CMD_FLG_RTS_MSK;
tx_flags |= TX_CMD_FLG_CTS_MSK;
}
void lbtf_send_tx_feedback(struct lbtf_private *priv, u8 retrycnt, u8 fail)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(priv->tx_skb);
- memset(&info->status, 0, sizeof(info->status));
+
+ ieee80211_tx_info_clear_status(info);
/*
* Commented out, otherwise we never go beyond 1Mbit/s using mac80211
* default pid rc algorithm.
*
* info->status.retry_count = MRVL_DEFAULT_RETRIES - retrycnt;
*/
- info->status.excessive_retries = fail ? 1 : 0;
if (!(info->flags & IEEE80211_TX_CTL_NO_ACK) && !fail)
info->flags |= IEEE80211_TX_STAT_ACK;
skb_pull(priv->tx_skb, sizeof(struct txpd));
/* TODO: set mactime */
rx_status.freq = data->channel->center_freq;
rx_status.band = data->channel->band;
- rx_status.rate_idx = info->tx_rate_idx;
+ rx_status.rate_idx = info->control.rates[0].idx;
/* TODO: simulate signal strength (and optional packet drop) */
/* Copy skb to all enabled radios that are on the current frequency */
if (txi->control.sta)
hwsim_check_sta_magic(txi->control.sta);
- memset(&txi->status, 0, sizeof(txi->status));
- if (!(txi->flags & IEEE80211_TX_CTL_NO_ACK)) {
- if (ack)
- txi->flags |= IEEE80211_TX_STAT_ACK;
- else
- txi->status.excessive_retries = 1;
- }
+ ieee80211_tx_info_clear_status(txi);
+ if (!(txi->flags & IEEE80211_TX_CTL_NO_ACK) && ack)
+ txi->flags |= IEEE80211_TX_STAT_ACK;
ieee80211_tx_status_irqsafe(hw, skb);
return NETDEV_TX_OK;
}
spin_lock_irqsave(&priv->tx_queue.lock, flags);
while (entry != (struct sk_buff *)&priv->tx_queue) {
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(entry);
- range = (void *)info->driver_data;
+ range = (void *)info->rate_driver_data;
if (range->start_addr == addr) {
struct p54_control_hdr *entry_hdr;
struct p54_tx_control_allocdata *entry_data;
struct memrecord *mr;
ni = IEEE80211_SKB_CB(entry->next);
- mr = (struct memrecord *)ni->driver_data;
+ mr = (struct memrecord *)ni->rate_driver_data;
freed = mr->start_addr - last_addr;
} else
freed = priv->rx_end - last_addr;
__skb_unlink(entry, &priv->tx_queue);
spin_unlock_irqrestore(&priv->tx_queue.lock, flags);
- memset(&info->status, 0, sizeof(info->status));
+ ieee80211_tx_info_clear_status(info);
entry_hdr = (struct p54_control_hdr *) entry->data;
entry_data = (struct p54_tx_control_allocdata *) entry_hdr->data;
if ((entry_hdr->magic1 & cpu_to_le16(0x4000)) != 0)
if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
if (!(payload->status & 0x01))
info->flags |= IEEE80211_TX_STAT_ACK;
- else
- info->status.excessive_retries = 1;
}
- info->status.retry_count = payload->retries - 1;
+ info->status.rates[0].count = payload->retries;
info->status.ack_signal = p54_rssi_to_dbm(dev,
le16_to_cpu(payload->ack_rssi));
skb_pull(entry, sizeof(*hdr) + pad + sizeof(*entry_data));
while (left--) {
u32 hole_size;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(entry);
- struct memrecord *range = (void *)info->driver_data;
+ struct memrecord *range = (void *)info->rate_driver_data;
hole_size = range->start_addr - last_addr;
if (!target_skb && hole_size >= len) {
target_skb = entry->prev;
largest_hole = max(largest_hole, priv->rx_end - last_addr - len);
if (!skb_queue_empty(&priv->tx_queue)) {
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(target_skb);
- struct memrecord *range = (void *)info->driver_data;
+ struct memrecord *range = (void *)info->rate_driver_data;
target_addr = range->end_addr;
}
} else
if (skb) {
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct memrecord *range = (void *)info->driver_data;
+ struct memrecord *range = (void *)info->rate_driver_data;
range->start_addr = target_addr;
range->end_addr = target_addr + len;
__skb_queue_after(&priv->tx_queue, target_skb, skb);
size_t padding, len;
u8 rate;
u8 cts_rate = 0x20;
+ u8 rc_flags;
current_queue = &priv->tx_stats[skb_get_queue_mapping(skb) + 4];
if (unlikely(current_queue->len > current_queue->limit))
hdr->magic1 = cpu_to_le16(0x0010);
hdr->len = cpu_to_le16(len);
hdr->type = (info->flags & IEEE80211_TX_CTL_NO_ACK) ? 0 : cpu_to_le16(1);
- hdr->retry1 = hdr->retry2 = info->control.retry_limit;
+ hdr->retry1 = hdr->retry2 = info->control.rates[0].count;
/* TODO: add support for alternate retry TX rates */
rate = ieee80211_get_tx_rate(dev, info)->hw_value;
- if (info->flags & IEEE80211_TX_CTL_SHORT_PREAMBLE) {
+ rc_flags = info->control.rates[0].flags;
+ if (rc_flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) {
rate |= 0x10;
cts_rate |= 0x10;
}
- if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) {
+ if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS) {
rate |= 0x40;
cts_rate |= ieee80211_get_rts_cts_rate(dev, info)->hw_value;
- } else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) {
+ } else if (rc_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
rate |= 0x20;
cts_rate |= ieee80211_get_rts_cts_rate(dev, info)->hw_value;
}
{
struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb);
+ struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
enum data_queue_qid qid = skb_get_queue_mapping(entry->skb);
+ u8 rate_idx, rate_flags;
/*
* Unmap the skb.
rt2x00dev->link.qual.tx_failed +=
test_bit(TXDONE_FAILURE, &txdesc->flags);
+ rate_idx = skbdesc->tx_rate_idx;
+ rate_flags = skbdesc->tx_rate_flags;
+
/*
* Initialize TX status
*/
memset(&tx_info->status, 0, sizeof(tx_info->status));
tx_info->status.ack_signal = 0;
- tx_info->status.excessive_retries =
- test_bit(TXDONE_EXCESSIVE_RETRY, &txdesc->flags);
- tx_info->status.retry_count = txdesc->retry;
+ tx_info->status.rates[0].idx = rate_idx;
+ tx_info->status.rates[0].flags = rate_flags;
+ tx_info->status.rates[0].count = txdesc->retry + 1;
+ tx_info->status.rates[1].idx = -1; /* terminate */
if (!(tx_info->flags & IEEE80211_TX_CTL_NO_ACK)) {
if (test_bit(TXDONE_SUCCESS, &txdesc->flags))
rt2x00dev->low_level_stats.dot11ACKFailureCount++;
}
- if (tx_info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) {
+ if (rate_flags & IEEE80211_TX_RC_USE_RTS_CTS) {
if (test_bit(TXDONE_SUCCESS, &txdesc->flags))
rt2x00dev->low_level_stats.dot11RTSSuccessCount++;
else if (test_bit(TXDONE_FAILURE, &txdesc->flags))
unsigned int data_length;
int retval = 0;
- if (tx_info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)
+ if (tx_info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
data_length = sizeof(struct ieee80211_cts);
else
data_length = sizeof(struct ieee80211_rts);
*/
memcpy(skb->cb, frag_skb->cb, sizeof(skb->cb));
rts_info = IEEE80211_SKB_CB(skb);
- rts_info->flags &= ~IEEE80211_TX_CTL_USE_RTS_CTS;
- rts_info->flags &= ~IEEE80211_TX_CTL_USE_CTS_PROTECT;
+ rts_info->control.rates[0].flags &= ~IEEE80211_TX_RC_USE_RTS_CTS;
+ rts_info->control.rates[0].flags &= ~IEEE80211_TX_RC_USE_CTS_PROTECT;
rts_info->flags &= ~IEEE80211_TX_CTL_REQ_TX_STATUS;
- if (tx_info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)
+ if (tx_info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
rts_info->flags |= IEEE80211_TX_CTL_NO_ACK;
else
rts_info->flags &= ~IEEE80211_TX_CTL_NO_ACK;
data_length += rt2x00crypto_tx_overhead(tx_info);
#endif /* CONFIG_RT2X00_LIB_CRYPTO */
- if (tx_info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)
+ if (tx_info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
ieee80211_ctstoself_get(rt2x00dev->hw, tx_info->control.vif,
frag_skb->data, data_length, tx_info,
(struct ieee80211_cts *)(skb->data));
* inside the hardware.
*/
frame_control = le16_to_cpu(ieee80211hdr->frame_control);
- if ((tx_info->flags & (IEEE80211_TX_CTL_USE_RTS_CTS |
- IEEE80211_TX_CTL_USE_CTS_PROTECT)) &&
+ if ((tx_info->control.rates[0].flags & (IEEE80211_TX_RC_USE_RTS_CTS |
+ IEEE80211_TX_RC_USE_CTS_PROTECT)) &&
!rt2x00dev->ops->hw->set_rts_threshold) {
if (rt2x00queue_available(queue) <= 1)
goto exit_fail;
/*
* Determine retry information.
*/
- txdesc->retry_limit = tx_info->control.retry_limit;
- if (tx_info->flags & IEEE80211_TX_CTL_LONG_RETRY_LIMIT)
+ txdesc->retry_limit = tx_info->control.rates[0].count - 1;
+ /*
+ * XXX: If at this point we knew whether the HW is going to use
+ * the RETRY_MODE bit or the retry_limit (currently all
+ * use the RETRY_MODE bit) we could do something like b43
+ * does, set the RETRY_MODE bit when the RC algorithm is
+ * requesting more than the long retry limit.
+ */
+ if (tx_info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
__set_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags);
/*
int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb)
{
+ struct ieee80211_tx_info *tx_info;
struct queue_entry *entry = rt2x00queue_get_entry(queue, Q_INDEX);
struct txentry_desc txdesc;
struct skb_frame_desc *skbdesc;
unsigned int iv_len = 0;
+ u8 rate_idx, rate_flags;
if (unlikely(rt2x00queue_full(queue)))
return -EINVAL;
iv_len = IEEE80211_SKB_CB(skb)->control.hw_key->iv_len;
/*
- * All information is retreived from the skb->cb array,
+ * All information is retrieved from the skb->cb array,
* now we should claim ownership of the driver part of that
- * array.
+ * array, preserving the bitrate index and flags.
*/
+ tx_info = IEEE80211_SKB_CB(skb);
+ rate_idx = tx_info->control.rates[0].idx;
+ rate_flags = tx_info->control.rates[0].flags;
skbdesc = get_skb_frame_desc(entry->skb);
memset(skbdesc, 0, sizeof(*skbdesc));
skbdesc->entry = entry;
+ skbdesc->tx_rate_idx = rate_idx;
+ skbdesc->tx_rate_flags = rate_flags;
/*
* When hardware encryption is supported, and this frame
*
* @flags: Frame flags, see &enum skb_frame_desc_flags.
* @desc_len: Length of the frame descriptor.
+ * @tx_rate_idx: the index of the TX rate, used for TX status reporting
+ * @tx_rate_flags: the TX rate flags, used for TX status reporting
* @desc: Pointer to descriptor part of the frame.
* Note that this pointer could point to something outside
* of the scope of the skb->data pointer.
* @entry: The entry to which this sk buffer belongs.
*/
struct skb_frame_desc {
- unsigned int flags;
+ u8 flags;
+
+ u8 desc_len;
+ u8 tx_rate_idx;
+ u8 tx_rate_flags;
- unsigned int desc_len;
void *desc;
__le32 iv;
skb->len, PCI_DMA_TODEVICE);
info = IEEE80211_SKB_CB(skb);
- memset(&info->status, 0, sizeof(info->status));
+ ieee80211_tx_info_clear_status(info);
- if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
- if (flags & RTL818X_TX_DESC_FLAG_TX_OK)
- info->flags |= IEEE80211_TX_STAT_ACK;
- else
- info->status.excessive_retries = 1;
- }
- info->status.retry_count = flags & 0xFF;
+ if (!(info->flags & IEEE80211_TX_CTL_NO_ACK) &&
+ (flags & RTL818X_TX_DESC_FLAG_TX_OK))
+ info->flags |= IEEE80211_TX_STAT_ACK;
+
+ info->status.rates[0].count = (flags & 0xFF) + 1;
ieee80211_tx_status_irqsafe(dev, skb);
if (ring->entries - skb_queue_len(&ring->queue) == 2)
unsigned int idx, prio;
dma_addr_t mapping;
u32 tx_flags;
+ u8 rc_flags;
u16 plcp_len = 0;
__le16 rts_duration = 0;
tx_flags |= RTL818X_TX_DESC_FLAG_DMA |
RTL818X_TX_DESC_FLAG_NO_ENC;
- if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) {
+ rc_flags = info->control.rates[0].flags;
+ if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS) {
tx_flags |= RTL818X_TX_DESC_FLAG_RTS;
tx_flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19;
- } else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) {
+ } else if (rc_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
tx_flags |= RTL818X_TX_DESC_FLAG_CTS;
tx_flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19;
}
- if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS)
+ if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS)
rts_duration = ieee80211_rts_duration(dev, priv->vif, skb->len,
info);
entry->plcp_len = cpu_to_le16(plcp_len);
entry->tx_buf = cpu_to_le32(mapping);
entry->frame_len = cpu_to_le32(skb->len);
- entry->flags2 = info->control.retries[0].rate_idx >= 0 ?
+ entry->flags2 = info->control.rates[1].idx >= 0 ?
ieee80211_get_alt_retry_rate(dev, info, 0)->bitrate << 4 : 0;
- entry->retry_limit = info->control.retry_limit;
+ entry->retry_limit = info->control.rates[0].count;
entry->flags = cpu_to_le32(tx_flags);
__skb_queue_tail(&ring->queue, skb);
if (ring->entries - skb_queue_len(&ring->queue) < 2)
priv = dev->priv;
priv->pdev = pdev;
- dev->max_altrates = 1;
+ dev->max_rates = 2;
SET_IEEE80211_DEV(dev, &pdev->dev);
pci_set_drvdata(pdev, dev);
{
struct sk_buff *skb = (struct sk_buff *)urb->context;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct ieee80211_hw *hw = info->driver_data[0];
+ struct ieee80211_hw *hw = info->rate_driver_data[0];
struct rtl8187_priv *priv = hw->priv;
- usb_free_urb(info->driver_data[1]);
+ usb_free_urb(info->rate_driver_data[1]);
skb_pull(skb, priv->is_rtl8187b ? sizeof(struct rtl8187b_tx_hdr) :
sizeof(struct rtl8187_tx_hdr));
- memset(&info->status, 0, sizeof(info->status));
+ ieee80211_tx_info_clear_status(info);
info->flags |= IEEE80211_TX_STAT_ACK;
ieee80211_tx_status_irqsafe(hw, skb);
}
flags |= ieee80211_get_tx_rate(dev, info)->hw_value << 24;
if (ieee80211_has_morefrags(((struct ieee80211_hdr *)skb->data)->frame_control))
flags |= RTL818X_TX_DESC_FLAG_MOREFRAG;
- if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) {
+ if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) {
flags |= RTL818X_TX_DESC_FLAG_RTS;
flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19;
rts_dur = ieee80211_rts_duration(dev, priv->vif,
skb->len, info);
- } else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) {
+ } else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
flags |= RTL818X_TX_DESC_FLAG_CTS;
flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19;
}
hdr->flags = cpu_to_le32(flags);
hdr->len = 0;
hdr->rts_duration = rts_dur;
- hdr->retry = cpu_to_le32(info->control.retry_limit << 8);
+ hdr->retry = cpu_to_le32((info->control.rates[0].count - 1) << 8);
buf = hdr;
ep = 2;
memset(hdr, 0, sizeof(*hdr));
hdr->flags = cpu_to_le32(flags);
hdr->rts_duration = rts_dur;
- hdr->retry = cpu_to_le32(info->control.retry_limit << 8);
+ hdr->retry = cpu_to_le32((info->control.rates[0].count - 1) << 8);
hdr->tx_duration =
ieee80211_generic_frame_duration(dev, priv->vif,
skb->len, txrate);
ep = epmap[skb_get_queue_mapping(skb)];
}
- info->driver_data[0] = dev;
- info->driver_data[1] = urb;
+ info->rate_driver_data[0] = dev;
+ info->rate_driver_data[1] = urb;
usb_fill_bulk_urb(urb, priv->udev, usb_sndbulkpipe(priv->udev, ep),
buf, skb->len, rtl8187_tx_cb, skb);
* If no status information has been requested, the skb is freed.
*/
static void tx_status(struct ieee80211_hw *hw, struct sk_buff *skb,
- u32 flags, int ackssi, bool success)
+ int ackssi, bool success)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- memset(&info->status, 0, sizeof(info->status));
+ ieee80211_tx_info_clear_status(info);
- if (!success)
- info->status.excessive_retries = 1;
- info->flags |= flags;
+ if (success)
+ info->flags |= IEEE80211_TX_STAT_ACK;
info->status.ack_signal = ackssi;
ieee80211_tx_status_irqsafe(hw, skb);
}
if (skb == NULL)
return;
- tx_status(hw, skb, 0, 0, 0);
+ tx_status(hw, skb, 0, 0);
}
/**
void zd_mac_tx_to_dev(struct sk_buff *skb, int error)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct ieee80211_hw *hw = info->driver_data[0];
+ struct ieee80211_hw *hw = info->rate_driver_data[0];
skb_pull(skb, sizeof(struct zd_ctrlset));
if (unlikely(error ||
(info->flags & IEEE80211_TX_CTL_NO_ACK))) {
- tx_status(hw, skb, 0, 0, !error);
+ tx_status(hw, skb, 0, !error);
} else {
struct sk_buff_head *q =
&zd_hw_mac(hw)->ack_wait_queue;
}
static void cs_set_control(struct zd_mac *mac, struct zd_ctrlset *cs,
- struct ieee80211_hdr *header, u32 flags)
+ struct ieee80211_hdr *header,
+ struct ieee80211_tx_info *info)
{
/*
* CONTROL TODO:
cs->control = 0;
/* First fragment */
- if (flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
+ if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
cs->control |= ZD_CS_NEED_RANDOM_BACKOFF;
/* Multicast */
if (ieee80211_is_pspoll(header->frame_control))
cs->control |= ZD_CS_PS_POLL_FRAME;
- if (flags & IEEE80211_TX_CTL_USE_RTS_CTS)
+ if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
cs->control |= ZD_CS_RTS;
- if (flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)
+ if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
cs->control |= ZD_CS_SELF_CTS;
/* FIXME: Management frame? */
txrate = ieee80211_get_tx_rate(mac->hw, info);
cs->modulation = txrate->hw_value;
- if (info->flags & IEEE80211_TX_CTL_SHORT_PREAMBLE)
+ if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
cs->modulation = txrate->hw_value_short;
cs->tx_length = cpu_to_le16(frag_len);
- cs_set_control(mac, cs, hdr, info->flags);
+ cs_set_control(mac, cs, hdr, info);
packet_length = frag_len + sizeof(struct zd_ctrlset) + 10;
ZD_ASSERT(packet_length <= 0xffff);
if (r)
return r;
- info->driver_data[0] = hw;
+ info->rate_driver_data[0] = hw;
r = zd_usb_tx(&mac->chip.usb, skb);
if (r)
if (likely(!compare_ether_addr(tx_hdr->addr2, rx_hdr->addr1)))
{
__skb_unlink(skb, q);
- tx_status(hw, skb, IEEE80211_TX_STAT_ACK, stats->signal, 1);
+ tx_status(hw, skb, stats->signal, 1);
goto out;
}
}
* it might be freed by zd_mac_tx_to_dev or mac80211)
*/
info = IEEE80211_SKB_CB(skb);
- usb = &zd_hw_mac(info->driver_data[0])->chip.usb;
+ usb = &zd_hw_mac(info->rate_driver_data[0])->chip.usb;
zd_mac_tx_to_dev(skb, urb->status);
free_tx_urb(usb, urb);
tx_dec_submitted_urbs(usb);
* These flags are used with the @flags member of &ieee80211_tx_info.
*
* @IEEE80211_TX_CTL_REQ_TX_STATUS: request TX status callback for this frame.
- * @IEEE80211_TX_CTL_USE_RTS_CTS: use RTS-CTS before sending frame
- * @IEEE80211_TX_CTL_USE_CTS_PROTECT: use CTS protection for the frame (e.g.,
- * for combined 802.11g / 802.11b networks)
+ * @IEEE80211_TX_CTL_ASSIGN_SEQ: The driver has to assign a sequence
+ * number to this frame, taking care of not overwriting the fragment
+ * number and increasing the sequence number only when the
+ * IEEE80211_TX_CTL_FIRST_FRAGMENT flag is set. mac80211 will properly
+ * assign sequence numbers to QoS-data frames but cannot do so correctly
+ * for non-QoS-data and management frames because beacons need them from
+ * that counter as well and mac80211 cannot guarantee proper sequencing.
+ * If this flag is set, the driver should instruct the hardware to
+ * assign a sequence number to the frame or assign one itself. Cf. IEEE
+ * 802.11-2007 7.1.3.4.1 paragraph 3. This flag will always be set for
+ * beacons and always be clear for frames without a sequence number field.
* @IEEE80211_TX_CTL_NO_ACK: tell the low level not to wait for an ack
- * @IEEE80211_TX_CTL_RATE_CTRL_PROBE: TBD
* @IEEE80211_TX_CTL_CLEAR_PS_FILT: clear powersave filter for destination
* station
- * @IEEE80211_TX_CTL_REQUEUE: TBD
* @IEEE80211_TX_CTL_FIRST_FRAGMENT: this is a first fragment of the frame
- * @IEEE80211_TX_CTL_SHORT_PREAMBLE: TBD
- * @IEEE80211_TX_CTL_LONG_RETRY_LIMIT: this frame should be send using the
- * through set_retry_limit configured long retry value
* @IEEE80211_TX_CTL_SEND_AFTER_DTIM: send this frame after DTIM beacon
* @IEEE80211_TX_CTL_AMPDU: this frame should be sent as part of an A-MPDU
- * @IEEE80211_TX_CTL_OFDM_HT: this frame can be sent in HT OFDM rates. number
- * of streams when this flag is on can be extracted from antenna_sel_tx,
- * so if 1 antenna is marked use SISO, 2 antennas marked use MIMO, n
- * antennas marked use MIMO_n.
- * @IEEE80211_TX_CTL_GREEN_FIELD: use green field protection for this frame
- * @IEEE80211_TX_CTL_40_MHZ_WIDTH: send this frame using 40 Mhz channel width
- * @IEEE80211_TX_CTL_DUP_DATA: duplicate data frame on both 20 Mhz channels
- * @IEEE80211_TX_CTL_SHORT_GI: send this frame using short guard interval
- * @IEEE80211_TX_CTL_INJECTED: TBD
+ * @IEEE80211_TX_CTL_INJECTED: Frame was injected, internal to mac80211.
* @IEEE80211_TX_STAT_TX_FILTERED: The frame was not transmitted
* because the destination STA was in powersave mode.
* @IEEE80211_TX_STAT_ACK: Frame was acknowledged
* is for the whole aggregation.
* @IEEE80211_TX_STAT_AMPDU_NO_BACK: no block ack was returned,
* so consider using block ack request (BAR).
- * @IEEE80211_TX_CTL_ASSIGN_SEQ: The driver has to assign a sequence
- * number to this frame, taking care of not overwriting the fragment
- * number and increasing the sequence number only when the
- * IEEE80211_TX_CTL_FIRST_FRAGMENT flags is set. mac80211 will properly
- * assign sequence numbers to QoS-data frames but cannot do so correctly
- * for non-QoS-data and management frames because beacons need them from
- * that counter as well and mac80211 cannot guarantee proper sequencing.
- * If this flag is set, the driver should instruct the hardware to
- * assign a sequence number to the frame or assign one itself. Cf. IEEE
- * 802.11-2007 7.1.3.4.1 paragraph 3. This flag will always be set for
- * beacons always be clear for frames without a sequence number field.
+ * @IEEE80211_TX_CTL_RATE_CTRL_PROBE: internal to mac80211, can be
+ * set by rate control algorithms to indicate probe rate, will
+ * be cleared for fragmented frames (except on the last fragment)
+ * @IEEE80211_TX_CTL_REQUEUE: REMOVE THIS
*/
enum mac80211_tx_control_flags {
IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(0),
- IEEE80211_TX_CTL_USE_RTS_CTS = BIT(2),
- IEEE80211_TX_CTL_USE_CTS_PROTECT = BIT(3),
- IEEE80211_TX_CTL_NO_ACK = BIT(4),
- IEEE80211_TX_CTL_RATE_CTRL_PROBE = BIT(5),
- IEEE80211_TX_CTL_CLEAR_PS_FILT = BIT(6),
- IEEE80211_TX_CTL_REQUEUE = BIT(7),
- IEEE80211_TX_CTL_FIRST_FRAGMENT = BIT(8),
- IEEE80211_TX_CTL_SHORT_PREAMBLE = BIT(9),
- IEEE80211_TX_CTL_LONG_RETRY_LIMIT = BIT(10),
- IEEE80211_TX_CTL_SEND_AFTER_DTIM = BIT(12),
- IEEE80211_TX_CTL_AMPDU = BIT(13),
- IEEE80211_TX_CTL_OFDM_HT = BIT(14),
- IEEE80211_TX_CTL_GREEN_FIELD = BIT(15),
- IEEE80211_TX_CTL_40_MHZ_WIDTH = BIT(16),
- IEEE80211_TX_CTL_DUP_DATA = BIT(17),
- IEEE80211_TX_CTL_SHORT_GI = BIT(18),
- IEEE80211_TX_CTL_INJECTED = BIT(19),
- IEEE80211_TX_STAT_TX_FILTERED = BIT(20),
- IEEE80211_TX_STAT_ACK = BIT(21),
- IEEE80211_TX_STAT_AMPDU = BIT(22),
- IEEE80211_TX_STAT_AMPDU_NO_BACK = BIT(23),
- IEEE80211_TX_CTL_ASSIGN_SEQ = BIT(24),
+ IEEE80211_TX_CTL_ASSIGN_SEQ = BIT(1),
+ IEEE80211_TX_CTL_NO_ACK = BIT(2),
+ IEEE80211_TX_CTL_CLEAR_PS_FILT = BIT(3),
+ IEEE80211_TX_CTL_FIRST_FRAGMENT = BIT(4),
+ IEEE80211_TX_CTL_SEND_AFTER_DTIM = BIT(5),
+ IEEE80211_TX_CTL_AMPDU = BIT(6),
+ IEEE80211_TX_CTL_INJECTED = BIT(7),
+ IEEE80211_TX_STAT_TX_FILTERED = BIT(8),
+ IEEE80211_TX_STAT_ACK = BIT(9),
+ IEEE80211_TX_STAT_AMPDU = BIT(10),
+ IEEE80211_TX_STAT_AMPDU_NO_BACK = BIT(11),
+ IEEE80211_TX_CTL_RATE_CTRL_PROBE = BIT(12),
+
+ /* XXX: remove this */
+ IEEE80211_TX_CTL_REQUEUE = BIT(13),
};
+enum mac80211_rate_control_flags {
+ IEEE80211_TX_RC_USE_RTS_CTS = BIT(0),
+ IEEE80211_TX_RC_USE_CTS_PROTECT = BIT(1),
+ IEEE80211_TX_RC_USE_SHORT_PREAMBLE = BIT(2),
+
+ /* rate index is an MCS rate number instead of an index */
+ IEEE80211_TX_RC_MCS = BIT(3),
+ IEEE80211_TX_RC_GREEN_FIELD = BIT(4),
+ IEEE80211_TX_RC_40_MHZ_WIDTH = BIT(5),
+ IEEE80211_TX_RC_DUP_DATA = BIT(6),
+ IEEE80211_TX_RC_SHORT_GI = BIT(7),
+};
+
+
+/* there are 40 bytes if you don't need the rateset to be kept */
+#define IEEE80211_TX_INFO_DRIVER_DATA_SIZE 40
-#define IEEE80211_TX_INFO_DRIVER_DATA_SIZE \
- (sizeof(((struct sk_buff *)0)->cb) - 8)
-#define IEEE80211_TX_INFO_DRIVER_DATA_PTRS \
- (IEEE80211_TX_INFO_DRIVER_DATA_SIZE / sizeof(void *))
+/* if you do need the rateset, then you have less space */
+#define IEEE80211_TX_INFO_RATE_DRIVER_DATA_SIZE 24
-/* maximum number of alternate rate retry stages */
-#define IEEE80211_TX_MAX_ALTRATE 3
+/* maximum number of rate stages */
+#define IEEE80211_TX_MAX_RATES 5
/**
- * struct ieee80211_tx_altrate - alternate rate selection/status
+ * struct ieee80211_tx_rate - rate selection/status
*
- * @rate_idx: rate index to attempt to send with
+ * @idx: rate index to attempt to send with
+ * @flags: rate control flags (&enum mac80211_rate_control_flags)
* @limit: number of retries before fallback
+ *
+ * A value of -1 for @idx indicates an invalid rate and, if used
+ * in an array of retry rates, that no more rates should be tried.
+ *
+ * When used for transmit status reporting, the driver should
+ * always report the rate along with the flags it used.
*/
-struct ieee80211_tx_altrate {
- s8 rate_idx;
- u8 limit;
+struct ieee80211_tx_rate {
+ s8 idx;
+ u8 count;
+ u8 flags;
};
/**
* it may be NULL.
*
* @flags: transmit info flags, defined above
- * @band: TBD
- * @tx_rate_idx: TBD
+ * @band: the band to transmit on (use for checking for races)
* @antenna_sel_tx: antenna to use, 0 for automatic diversity
* @control: union for control data
* @status: union for status data
* @driver_data: array of driver_data pointers
* @retry_count: number of retries
- * @excessive_retries: set to 1 if the frame was retried many times
- * but not acknowledged
* @ampdu_ack_len: number of aggregated frames.
* relevant only if IEEE80211_TX_STATUS_AMPDU was set.
* @ampdu_ack_map: block ack bit map for the aggregation.
/* common information */
u32 flags;
u8 band;
- s8 tx_rate_idx;
+
u8 antenna_sel_tx;
- /* 1 byte hole */
+ /* 2 byte hole */
union {
struct {
+ union {
+ /* rate control */
+ struct {
+ struct ieee80211_tx_rate rates[
+ IEEE80211_TX_MAX_RATES];
+ s8 rts_cts_rate_idx;
+ };
+ /* only needed before rate control */
+ unsigned long jiffies;
+ };
/* NB: vif can be NULL for injected frames */
struct ieee80211_vif *vif;
struct ieee80211_key_conf *hw_key;
struct ieee80211_sta *sta;
- unsigned long jiffies;
- s8 rts_cts_rate_idx;
- u8 retry_limit;
- struct ieee80211_tx_altrate retries[IEEE80211_TX_MAX_ALTRATE];
} control;
struct {
+ struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES];
+ u8 ampdu_ack_len;
u64 ampdu_ack_map;
int ack_signal;
- struct ieee80211_tx_altrate retries[IEEE80211_TX_MAX_ALTRATE + 1];
- u8 retry_count;
- bool excessive_retries;
- u8 ampdu_ack_len;
+ /* 8 bytes free */
} status;
- void *driver_data[IEEE80211_TX_INFO_DRIVER_DATA_PTRS];
+ struct {
+ struct ieee80211_tx_rate driver_rates[
+ IEEE80211_TX_MAX_RATES];
+ void *rate_driver_data[
+ IEEE80211_TX_INFO_RATE_DRIVER_DATA_SIZE / sizeof(void *)];
+ };
+ void *driver_data[
+ IEEE80211_TX_INFO_DRIVER_DATA_SIZE / sizeof(void *)];
};
};
return (struct ieee80211_tx_info *)skb->cb;
}
+/**
+ * ieee80211_tx_info_clear_status - clear TX status
+ *
+ * @info: The &struct ieee80211_tx_info to be cleared.
+ *
+ * When the driver passes an skb back to mac80211, it must report
+ * a number of things in TX status. This function clears everything
+ * in the TX status but the rate control information (it does clear
+ * the count since you need to fill that in anyway).
+ *
+ * NOTE: You can only use this function if you do NOT use
+ * info->driver_data! Use info->rate_driver_data
+ * instead if you need only the less space that allows.
+ */
+static inline void
+ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info)
+{
+ int i;
+
+ BUILD_BUG_ON(offsetof(struct ieee80211_tx_info, status.rates) !=
+ offsetof(struct ieee80211_tx_info, control.rates));
+ BUILD_BUG_ON(offsetof(struct ieee80211_tx_info, status.rates) !=
+ offsetof(struct ieee80211_tx_info, driver_rates));
+ BUILD_BUG_ON(offsetof(struct ieee80211_tx_info, status.rates) != 8);
+ /* clear the rate counts */
+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++)
+ info->status.rates[i].count = 0;
+
+ BUILD_BUG_ON(
+ offsetof(struct ieee80211_tx_info, status.ampdu_ack_len) != 23);
+ memset(&info->status.ampdu_ack_len, 0,
+ sizeof(struct ieee80211_tx_info) -
+ offsetof(struct ieee80211_tx_info, status.ampdu_ack_len));
+}
+
/**
* enum mac80211_rx_flags - receive flags
* @sta_data_size: size (in bytes) of the drv_priv data area
* within &struct ieee80211_sta.
*
- * @max_altrates: maximum number of alternate rate retry stages
- * @max_altrate_tries: maximum number of tries for each stage
+ * @max_rates: maximum number of alternate rate retry stages
+ * @max_rate_tries: maximum number of tries for each stage
*/
struct ieee80211_hw {
struct ieee80211_conf conf;
u16 ampdu_queues;
u16 max_listen_interval;
s8 max_signal;
- u8 max_altrates;
- u8 max_altrate_tries;
+ u8 max_rates;
+ u8 max_rate_tries;
};
/**
ieee80211_get_tx_rate(const struct ieee80211_hw *hw,
const struct ieee80211_tx_info *c)
{
- if (WARN_ON(c->tx_rate_idx < 0))
+ if (WARN_ON(c->control.rates[0].idx < 0))
return NULL;
- return &hw->wiphy->bands[c->band]->bitrates[c->tx_rate_idx];
+ return &hw->wiphy->bands[c->band]->bitrates[c->control.rates[0].idx];
}
static inline struct ieee80211_rate *
ieee80211_get_alt_retry_rate(const struct ieee80211_hw *hw,
const struct ieee80211_tx_info *c, int idx)
{
- if (c->control.retries[idx].rate_idx < 0)
+ if (c->control.rates[idx + 1].idx < 0)
return NULL;
- return &hw->wiphy->bands[c->band]->bitrates[c->control.retries[idx].rate_idx];
+ return &hw->wiphy->bands[c->band]->bitrates[c->control.rates[idx + 1].idx];
}
/**
/* Rate control API */
+
/**
- * struct rate_selection - rate information for/from rate control algorithms
- *
- * @rate_idx: selected transmission rate index
- * @nonerp_idx: Non-ERP rate to use instead if ERP cannot be used
- * @probe_idx: rate for probing (or -1)
- * @max_rate_idx: maximum rate index that can be used, this is
- * input to the algorithm and will be enforced
- */
-struct rate_selection {
- s8 rate_idx, nonerp_idx, probe_idx, max_rate_idx;
+ * struct ieee80211_tx_rate_control - rate control information for/from RC algo
+ *
+ * @hw: The hardware the algorithm is invoked for.
+ * @sband: The band this frame is being transmitted on.
+ * @bss_conf: the current BSS configuration
+ * @reported_rate: The rate control algorithm can fill this in to indicate
+ * which rate should be reported to userspace as the current rate and
+ * used for rate calculations in the mesh network.
+ * @rts: whether RTS will be used for this frame because it is longer than the
+ * RTS threshold
+ * @short_preamble: whether mac80211 will request short-preamble transmission
+ * if the selected rate supports it
+ * @max_rate_idx: user-requested maximum rate (not MCS for now)
+ */
+struct ieee80211_tx_rate_control {
+ struct ieee80211_hw *hw;
+ struct ieee80211_supported_band *sband;
+ struct ieee80211_bss_conf *bss_conf;
+ struct sk_buff *skb;
+ struct ieee80211_tx_rate reported_rate;
+ bool rts, short_preamble;
+ u8 max_rate_idx;
};
struct rate_control_ops {
void (*tx_status)(void *priv, struct ieee80211_supported_band *sband,
struct ieee80211_sta *sta, void *priv_sta,
struct sk_buff *skb);
- void (*get_rate)(void *priv, struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta, void *priv_sta,
- struct sk_buff *skb,
- struct rate_selection *sel);
+ void (*get_rate)(void *priv, struct ieee80211_sta *sta, void *priv_sta,
+ struct ieee80211_tx_rate_control *txrc);
void (*add_sta_debugfs)(void *priv, void *priv_sta,
struct dentry *dir);
#define IEEE80211_TX_FRAGMENTED BIT(0)
#define IEEE80211_TX_UNICAST BIT(1)
#define IEEE80211_TX_PS_BUFFERED BIT(2)
-#define IEEE80211_TX_PROBE_LAST_FRAG BIT(3)
struct ieee80211_tx_data {
struct sk_buff *skb;
struct ieee80211_key *key;
struct ieee80211_channel *channel;
- s8 rate_idx;
- /* use this rate (if set) for last fragment; rate can
- * be set to lower rate for the first fragments, e.g.,
- * when using CTS protection with IEEE 802.11g. */
- s8 last_frag_rate_idx;
/* Extra fragments (in addition to the first fragment
* in skb) */
struct ieee80211_tx_stored_packet {
struct sk_buff *skb;
struct sk_buff **extra_frag;
- s8 last_frag_rate_idx;
int num_extra_frag;
- bool last_frag_rate_ctrl_probe;
};
struct beacon_data {
*/
struct ieee80211_tx_status_rtap_hdr {
struct ieee80211_radiotap_header hdr;
+ u8 rate;
+ u8 padding_for_rate;
__le16 tx_flags;
u8 data_retries;
} __attribute__ ((packed));
struct ieee80211_sub_if_data *sdata;
struct net_device *prev_dev = NULL;
struct sta_info *sta;
+ int retry_count = -1, i;
+
+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+ /* the HW cannot have attempted that rate */
+ if (i >= hw->max_rates) {
+ info->status.rates[i].idx = -1;
+ info->status.rates[i].count = 0;
+ }
+
+ retry_count += info->status.rates[i].count;
+ }
+ if (retry_count < 0)
+ retry_count = 0;
rcu_read_lock();
+ sband = local->hw.wiphy->bands[info->band];
+
sta = sta_info_get(local, hdr->addr1);
if (sta) {
- if (info->status.excessive_retries &&
+ if (!(info->flags & IEEE80211_TX_STAT_ACK) &&
test_sta_flags(sta, WLAN_STA_PS)) {
/*
* The STA is in power save mode, so assume
rcu_read_unlock();
return;
} else {
- if (info->status.excessive_retries)
+ if (!(info->flags & IEEE80211_TX_STAT_ACK))
sta->tx_retry_failed++;
- sta->tx_retry_count += info->status.retry_count;
+ sta->tx_retry_count += retry_count;
}
- sband = local->hw.wiphy->bands[info->band];
rate_control_tx_status(local, sband, sta, skb);
}
local->dot11TransmittedFrameCount++;
if (is_multicast_ether_addr(hdr->addr1))
local->dot11MulticastTransmittedFrameCount++;
- if (info->status.retry_count > 0)
+ if (retry_count > 0)
local->dot11RetryCount++;
- if (info->status.retry_count > 1)
+ if (retry_count > 1)
local->dot11MultipleRetryCount++;
}
rthdr->hdr.it_len = cpu_to_le16(sizeof(*rthdr));
rthdr->hdr.it_present =
cpu_to_le32((1 << IEEE80211_RADIOTAP_TX_FLAGS) |
- (1 << IEEE80211_RADIOTAP_DATA_RETRIES));
+ (1 << IEEE80211_RADIOTAP_DATA_RETRIES) |
+ (1 << IEEE80211_RADIOTAP_RATE));
if (!(info->flags & IEEE80211_TX_STAT_ACK) &&
!is_multicast_ether_addr(hdr->addr1))
rthdr->tx_flags |= cpu_to_le16(IEEE80211_RADIOTAP_F_TX_FAIL);
- if ((info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) &&
- (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT))
+ /*
+ * XXX: Once radiotap gets the bitmap reset thing the vendor
+ * extensions proposal contains, we can actually report
+ * the whole set of tries we did.
+ */
+ if ((info->status.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) ||
+ (info->status.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT))
rthdr->tx_flags |= cpu_to_le16(IEEE80211_RADIOTAP_F_TX_CTS);
- else if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS)
+ else if (info->status.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
rthdr->tx_flags |= cpu_to_le16(IEEE80211_RADIOTAP_F_TX_RTS);
+ if (info->status.rates[0].idx >= 0 &&
+ !(info->status.rates[0].flags & IEEE80211_TX_RC_MCS))
+ rthdr->rate = sband->bitrates[
+ info->status.rates[0].idx].bitrate / 5;
- rthdr->data_retries = info->status.retry_count;
+ /* for now report the total retry_count */
+ rthdr->data_retries = retry_count;
/* XXX: is this sufficient for BPF? */
skb_set_mac_header(skb, 0);
BUG_ON(!ops->configure_filter);
local->ops = ops;
- local->hw.queues = 1; /* default */
-
+ /* set up some defaults */
+ local->hw.queues = 1;
+ local->hw.max_rates = 1;
local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
local->hw.conf.long_frame_max_tx_count = 4;
if (sta->fail_avg >= 100)
return MAX_METRIC;
+
+ if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
+ return MAX_METRIC;
+
err = (sta->fail_avg << ARITH_SHIFT) / 100;
/* bitrate is in units of 100 Kbps, while we need rate in units of
* 1Mbps. This will be corrected on tx_time computation.
*/
- rate = sband->bitrates[sta->last_txrate_idx].bitrate;
+ rate = sband->bitrates[sta->last_tx_rate.idx].bitrate;
tx_time = (device_constant + 10 * test_frame_len / rate);
estimated_retx = ((1 << (2 * ARITH_SHIFT)) / (s_unit - err));
result = (tx_time * estimated_retx) >> (2 * ARITH_SHIFT) ;
}
void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_supported_band *sband,
- struct sta_info *sta, struct sk_buff *skb,
- struct rate_selection *sel)
+ struct sta_info *sta,
+ struct ieee80211_tx_rate_control *txrc)
{
struct rate_control_ref *ref = sdata->local->rate_ctrl;
void *priv_sta = NULL;
struct ieee80211_sta *ista = NULL;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(txrc->skb);
int i;
- sel->rate_idx = -1;
- sel->nonerp_idx = -1;
- sel->probe_idx = -1;
- sel->max_rate_idx = sdata->max_ratectrl_rateidx;
-
if (sta) {
ista = &sta->sta;
priv_sta = sta->rate_ctrl_priv;
}
+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+ info->control.rates[i].idx = -1;
+ info->control.rates[i].flags = 0;
+ info->control.rates[i].count = 1;
+ }
+
if (sta && sdata->force_unicast_rateidx > -1)
- sel->rate_idx = sdata->force_unicast_rateidx;
+ info->control.rates[0].idx = sdata->force_unicast_rateidx;
else
- ref->ops->get_rate(ref->priv, sband, ista, priv_sta, skb, sel);
-
- if (sdata->max_ratectrl_rateidx > -1 &&
- sel->rate_idx > sdata->max_ratectrl_rateidx)
- sel->rate_idx = sdata->max_ratectrl_rateidx;
-
- BUG_ON(sel->rate_idx < 0);
-
- /* Select a non-ERP backup rate. */
- if (sel->nonerp_idx < 0) {
- for (i = 0; i < sband->n_bitrates; i++) {
- struct ieee80211_rate *rate = &sband->bitrates[i];
- if (sband->bitrates[sel->rate_idx].bitrate < rate->bitrate)
- break;
-
- if (rate_supported(ista, sband->band, i) &&
- !(rate->flags & IEEE80211_RATE_ERP_G))
- sel->nonerp_idx = i;
- }
+ ref->ops->get_rate(ref->priv, ista, priv_sta, txrc);
+
+ /*
+ * try to enforce the maximum rate the user wanted
+ */
+ if (sdata->max_ratectrl_rateidx > -1)
+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+ if (info->control.rates[i].flags & IEEE80211_TX_RC_MCS)
+ continue;
+ info->control.rates[i].idx =
+ min_t(s8, info->control.rates[i].idx,
+ sdata->max_ratectrl_rateidx);
}
+
+ BUG_ON(info->control.rates[0].idx < 0);
}
struct rate_control_ref *rate_control_get(struct rate_control_ref *ref)
struct rate_control_ref *rate_control_alloc(const char *name,
struct ieee80211_local *local);
void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_supported_band *sband,
- struct sta_info *sta, struct sk_buff *skb,
- struct rate_selection *sel);
+ struct sta_info *sta,
+ struct ieee80211_tx_rate_control *txrc);
struct rate_control_ref *rate_control_get(struct rate_control_ref *ref);
void rate_control_put(struct rate_control_ref *ref);
{
struct minstrel_sta_info *mi = priv_sta;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct ieee80211_tx_altrate *ar = info->status.retries;
- struct minstrel_priv *mp = priv;
- int i, ndx, tries;
- int success = 0;
+ struct ieee80211_tx_rate *ar = info->status.rates;
+ int i, ndx;
+ int success;
- if (!info->status.excessive_retries)
- success = 1;
+ success = !!(info->flags & IEEE80211_TX_STAT_ACK);
- if (!mp->has_mrr || (ar[0].rate_idx < 0)) {
- ndx = rix_to_ndx(mi, info->tx_rate_idx);
- tries = info->status.retry_count + 1;
- mi->r[ndx].success += success;
- mi->r[ndx].attempts += tries;
- return;
- }
-
- for (i = 0; i < 4; i++) {
- if (ar[i].rate_idx < 0)
+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+ if (ar[i].idx < 0)
break;
- ndx = rix_to_ndx(mi, ar[i].rate_idx);
- mi->r[ndx].attempts += ar[i].limit + 1;
+ ndx = rix_to_ndx(mi, ar[i].idx);
+ mi->r[ndx].attempts += ar[i].count;
- if ((i != 3) && (ar[i + 1].rate_idx < 0))
+ if ((i != IEEE80211_TX_MAX_RATES - 1) && (ar[i + 1].idx < 0))
mi->r[ndx].success += success;
}
{
unsigned int retry = mr->adjusted_retry_count;
- if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS)
+ if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
retry = max(2U, min(mr->retry_count_rtscts, retry));
- else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)
+ else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
retry = max(2U, min(mr->retry_count_cts, retry));
return retry;
}
}
void
-minstrel_get_rate(void *priv, struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta, void *priv_sta,
- struct sk_buff *skb, struct rate_selection *sel)
+minstrel_get_rate(void *priv, struct ieee80211_sta *sta,
+ void *priv_sta, struct ieee80211_tx_rate_control *txrc)
{
+ struct sk_buff *skb = txrc->skb;
+ struct ieee80211_supported_band *sband = txrc->sband;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct minstrel_sta_info *mi = priv_sta;
struct minstrel_priv *mp = priv;
- struct ieee80211_tx_altrate *ar = info->control.retries;
+ struct ieee80211_tx_rate *ar = info->control.rates;
unsigned int ndx, sample_ndx = 0;
bool mrr;
bool sample_slower = false;
int sample_rate;
if (!sta || !mi || use_low_rate(skb)) {
- sel->rate_idx = rate_lowest_index(sband, sta);
+ ar[0].idx = rate_lowest_index(sband, sta);
+ ar[0].count = mp->max_retry;
return;
}
- mrr = mp->has_mrr;
-
- /* mac80211 does not allow mrr for RTS/CTS */
- if ((info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) ||
- (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT))
- mrr = false;
+ mrr = mp->has_mrr && !txrc->rts && !txrc->bss_conf->use_cts_prot;
if (time_after(jiffies, mi->stats_update + (mp->update_interval *
HZ) / 1000))
mi->sample_deferred++;
}
}
- sel->rate_idx = mi->r[ndx].rix;
- info->control.retry_limit = minstrel_get_retry_count(&mi->r[ndx], info);
+ ar[0].idx = mi->r[ndx].rix;
+ ar[0].count = minstrel_get_retry_count(&mi->r[ndx], info);
if (!mrr) {
- ar[0].rate_idx = mi->lowest_rix;
- ar[0].limit = mp->max_retry;
- ar[1].rate_idx = -1;
+ ar[1].idx = mi->lowest_rix;
+ ar[1].count = mp->max_retry;
return;
}
}
mrr_ndx[1] = mi->max_prob_rate;
mrr_ndx[2] = 0;
- for (i = 0; i < 3; i++) {
- ar[i].rate_idx = mi->r[mrr_ndx[i]].rix;
- ar[i].limit = mi->r[mrr_ndx[i]].adjusted_retry_count;
+ for (i = 1; i < 4; i++) {
+ ar[i].idx = mi->r[mrr_ndx[i - 1]].rix;
+ ar[i].count = mi->r[mrr_ndx[i - 1]].adjusted_retry_count;
}
}
/* maximum time that the hw is allowed to stay in one MRR segment */
mp->segment_size = 6000;
- if (hw->max_altrate_tries > 0)
- mp->max_retry = hw->max_altrate_tries;
+ if (hw->max_rate_tries > 0)
+ mp->max_retry = hw->max_rate_tries;
else
/* safe default, does not necessarily have to match hw properties */
mp->max_retry = 7;
- if (hw->max_altrates >= 3)
+ if (hw->max_rates >= 4)
mp->has_mrr = true;
mp->hw = hw;
union rc_pid_event_data {
/* RC_PID_EVENT_TX_STATUS */
struct {
+ u32 flags;
struct ieee80211_tx_info tx_status;
};
/* RC_PID_EVENT_TYPE_RATE_CHANGE */
/* Ignore all frames that were sent with a different rate than the rate
* we currently advise mac80211 to use. */
- if (info->tx_rate_idx != spinfo->txrate_idx)
+ if (info->status.rates[0].idx != spinfo->txrate_idx)
return;
spinfo->tx_num_xmit++;
/* We count frames that totally failed to be transmitted as two bad
* frames, those that made it out but had some retries as one good and
* one bad frame. */
- if (info->status.excessive_retries) {
+ if (!(info->flags & IEEE80211_TX_STAT_ACK)) {
spinfo->tx_num_failed += 2;
spinfo->tx_num_xmit++;
- } else if (info->status.retry_count) {
+ } else if (info->status.rates[0].count) {
spinfo->tx_num_failed++;
spinfo->tx_num_xmit++;
}
}
static void
-rate_control_pid_get_rate(void *priv, struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta, void *priv_sta,
- struct sk_buff *skb,
- struct rate_selection *sel)
+rate_control_pid_get_rate(void *priv, struct ieee80211_sta *sta,
+ void *priv_sta,
+ struct ieee80211_tx_rate_control *txrc)
{
+ struct sk_buff *skb = txrc->skb;
+ struct ieee80211_supported_band *sband = txrc->sband;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct rc_pid_sta_info *spinfo = priv_sta;
int rateidx;
u16 fc;
+ if (txrc->rts)
+ info->control.rates[0].count =
+ txrc->hw->conf.long_frame_max_tx_count;
+ else
+ info->control.rates[0].count =
+ txrc->hw->conf.short_frame_max_tx_count;
+
/* Send management frames and broadcast/multicast data using lowest
* rate. */
fc = le16_to_cpu(hdr->frame_control);
if (!sta || !spinfo ||
(fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA ||
is_multicast_ether_addr(hdr->addr1)) {
- sel->rate_idx = rate_lowest_index(sband, sta);
+ info->control.rates[0].idx = rate_lowest_index(sband, sta);
return;
}
if (rateidx >= sband->n_bitrates)
rateidx = sband->n_bitrates - 1;
- sel->rate_idx = rateidx;
+ info->control.rates[0].idx = rateidx;
#ifdef CONFIG_MAC80211_DEBUGFS
rate_control_pid_event_tx_rate(&spinfo->events,
{
union rc_pid_event_data evd;
+ evd.flags = stat->flags;
memcpy(&evd.tx_status, stat, sizeof(struct ieee80211_tx_info));
rate_control_pid_event(buf, RC_PID_EVENT_TYPE_TX_STATUS, &evd);
}
switch (ev->type) {
case RC_PID_EVENT_TYPE_TX_STATUS:
p += snprintf(pb + p, length - p, "tx_status %u %u",
- ev->data.tx_status.status.excessive_retries,
- ev->data.tx_status.status.retry_count);
+ !(ev->data.flags & IEEE80211_TX_STAT_ACK),
+ ev->data.tx_status.status.rates[0].idx);
break;
case RC_PID_EVENT_TYPE_RATE_CHANGE:
p += snprintf(pb + p, length - p, "rate_change %d %d",
* @tx_packets: number of RX/TX MSDUs
* @tx_bytes: TBD
* @tx_fragments: number of transmitted MPDUs
- * @last_txrate_idx: Index of the last used transmit rate
+ * @last_txrate: description of the last used transmit rate
* @tid_seq: TBD
* @ampdu_mlme: TBD
* @timer_to_tid: identity mapping to ID timers
unsigned long tx_packets;
unsigned long tx_bytes;
unsigned long tx_fragments;
- unsigned int last_txrate_idx;
+ struct ieee80211_tx_rate last_tx_rate;
u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1];
/*
struct ieee80211_local *local = tx->local;
struct ieee80211_supported_band *sband;
struct ieee80211_hdr *hdr;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
+
+ /* assume HW handles this */
+ if (info->control.rates[0].flags & IEEE80211_TX_RC_MCS)
+ return 0;
+
+ /* uh huh? */
+ if (WARN_ON_ONCE(info->control.rates[0].idx < 0))
+ return 0;
sband = local->hw.wiphy->bands[tx->channel->band];
- txrate = &sband->bitrates[tx->rate_idx];
+ txrate = &sband->bitrates[info->control.rates[0].idx];
- erp = 0;
- if (tx->sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
- erp = txrate->flags & IEEE80211_RATE_ERP_G;
+ erp = txrate->flags & IEEE80211_RATE_ERP_G;
/*
* data and mgmt (except PS Poll):
static ieee80211_tx_result debug_noinline
ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
{
- struct rate_selection rsel;
- struct ieee80211_supported_band *sband;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
+ struct ieee80211_hdr *hdr = (void *)tx->skb->data;
+ struct ieee80211_supported_band *sband;
+ struct ieee80211_rate *rate;
+ int i, len;
+ bool inval = false, rts = false, short_preamble = false;
+ struct ieee80211_tx_rate_control txrc;
- sband = tx->local->hw.wiphy->bands[tx->channel->band];
+ memset(&txrc, 0, sizeof(txrc));
- if (likely(tx->rate_idx < 0)) {
- rate_control_get_rate(tx->sdata, sband, tx->sta,
- tx->skb, &rsel);
- if (tx->sta)
- tx->sta->last_txrate_idx = rsel.rate_idx;
- tx->rate_idx = rsel.rate_idx;
- if (unlikely(rsel.probe_idx >= 0)) {
- info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
- tx->flags |= IEEE80211_TX_PROBE_LAST_FRAG;
- info->control.retries[0].rate_idx = tx->rate_idx;
- info->control.retries[0].limit = tx->local->hw.max_altrate_tries;
- tx->rate_idx = rsel.probe_idx;
- } else if (info->control.retries[0].limit == 0)
- info->control.retries[0].rate_idx = -1;
-
- if (unlikely(tx->rate_idx < 0))
- return TX_DROP;
- } else
- info->control.retries[0].rate_idx = -1;
+ sband = tx->local->hw.wiphy->bands[tx->channel->band];
- if (tx->sdata->vif.bss_conf.use_cts_prot &&
- (tx->flags & IEEE80211_TX_FRAGMENTED) && (rsel.nonerp_idx >= 0)) {
- tx->last_frag_rate_idx = tx->rate_idx;
- if (rsel.probe_idx >= 0)
- tx->flags &= ~IEEE80211_TX_PROBE_LAST_FRAG;
- else
- tx->flags |= IEEE80211_TX_PROBE_LAST_FRAG;
- tx->rate_idx = rsel.nonerp_idx;
- info->tx_rate_idx = rsel.nonerp_idx;
- info->flags &= ~IEEE80211_TX_CTL_RATE_CTRL_PROBE;
- } else {
- tx->last_frag_rate_idx = tx->rate_idx;
- info->tx_rate_idx = tx->rate_idx;
+ len = min_t(int, tx->skb->len + FCS_LEN,
+ tx->local->fragmentation_threshold);
+
+ /* set up the tx rate control struct we give the RC algo */
+ txrc.hw = local_to_hw(tx->local);
+ txrc.sband = sband;
+ txrc.bss_conf = &tx->sdata->vif.bss_conf;
+ txrc.skb = tx->skb;
+ txrc.reported_rate.idx = -1;
+ txrc.max_rate_idx = tx->sdata->max_ratectrl_rateidx;
+
+ /* set up RTS protection if desired */
+ if (tx->local->rts_threshold < IEEE80211_MAX_RTS_THRESHOLD &&
+ len > tx->local->rts_threshold) {
+ txrc.rts = rts = true;
}
- info->tx_rate_idx = tx->rate_idx;
- return TX_CONTINUE;
-}
+ /*
+ * Use short preamble if the BSS can handle it, but not for
+ * management frames unless we know the receiver can handle
+ * that -- the management frame might be to a station that
+ * just wants a probe response.
+ */
+ if (tx->sdata->vif.bss_conf.use_short_preamble &&
+ (ieee80211_is_data(hdr->frame_control) ||
+ (tx->sta && test_sta_flags(tx->sta, WLAN_STA_SHORT_PREAMBLE))))
+ txrc.short_preamble = short_preamble = true;
-static ieee80211_tx_result debug_noinline
-ieee80211_tx_h_misc(struct ieee80211_tx_data *tx)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
- struct ieee80211_supported_band *sband;
- sband = tx->local->hw.wiphy->bands[tx->channel->band];
+ rate_control_get_rate(tx->sdata, tx->sta, &txrc);
+
+ if (unlikely(info->control.rates[0].idx < 0))
+ return TX_DROP;
+
+ if (txrc.reported_rate.idx < 0)
+ txrc.reported_rate = info->control.rates[0];
if (tx->sta)
- info->control.sta = &tx->sta->sta;
+ tx->sta->last_tx_rate = txrc.reported_rate;
- if (!info->control.retry_limit) {
- if (!is_multicast_ether_addr(hdr->addr1)) {
- int len = min_t(int, tx->skb->len + FCS_LEN,
- tx->local->fragmentation_threshold);
- if (len > tx->local->rts_threshold
- && tx->local->rts_threshold <
- IEEE80211_MAX_RTS_THRESHOLD) {
- info->flags |= IEEE80211_TX_CTL_USE_RTS_CTS;
- info->flags |=
- IEEE80211_TX_CTL_LONG_RETRY_LIMIT;
- info->control.retry_limit =
- tx->local->hw.conf.long_frame_max_tx_count - 1;
- } else {
- info->control.retry_limit =
- tx->local->hw.conf.short_frame_max_tx_count - 1;
- }
- } else {
- info->control.retry_limit = 1;
- }
- }
+ if (unlikely(!info->control.rates[0].count))
+ info->control.rates[0].count = 1;
- if (tx->flags & IEEE80211_TX_FRAGMENTED) {
- /* Do not use multiple retry rates when sending fragmented
- * frames.
- * TODO: The last fragment could still use multiple retry
- * rates. */
- info->control.retries[0].rate_idx = -1;
+ if (is_multicast_ether_addr(hdr->addr1)) {
+ /*
+ * XXX: verify the rate is in the basic rateset
+ */
+ return TX_CONTINUE;
}
- /* Use CTS protection for unicast frames sent using extended rates if
- * there are associated non-ERP stations and RTS/CTS is not configured
- * for the frame. */
- if ((tx->sdata->flags & IEEE80211_SDATA_OPERATING_GMODE) &&
- (sband->bitrates[tx->rate_idx].flags & IEEE80211_RATE_ERP_G) &&
- (tx->flags & IEEE80211_TX_UNICAST) &&
- tx->sdata->vif.bss_conf.use_cts_prot &&
- !(info->flags & IEEE80211_TX_CTL_USE_RTS_CTS))
- info->flags |= IEEE80211_TX_CTL_USE_CTS_PROTECT;
-
- /* Transmit data frames using short preambles if the driver supports
- * short preambles at the selected rate and short preambles are
- * available on the network at the current point in time. */
- if (ieee80211_is_data(hdr->frame_control) &&
- (sband->bitrates[tx->rate_idx].flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
- tx->sdata->vif.bss_conf.use_short_preamble &&
- (!tx->sta || test_sta_flags(tx->sta, WLAN_STA_SHORT_PREAMBLE))) {
- info->flags |= IEEE80211_TX_CTL_SHORT_PREAMBLE;
+ /*
+ * set up the RTS/CTS rate as the fastest basic rate
+ * that is not faster than the data rate
+ *
+ * XXX: Should this check all retry rates?
+ */
+ if (!(info->control.rates[0].flags & IEEE80211_TX_RC_MCS)) {
+ s8 baserate = 0;
+
+ rate = &sband->bitrates[info->control.rates[0].idx];
+
+ for (i = 0; i < sband->n_bitrates; i++) {
+ /* must be a basic rate */
+ if (!(tx->sdata->vif.bss_conf.basic_rates & BIT(i)))
+ continue;
+ /* must not be faster than the data rate */
+ if (sband->bitrates[i].bitrate > rate->bitrate)
+ continue;
+ /* maximum */
+ if (sband->bitrates[baserate].bitrate <
+ sband->bitrates[i].bitrate)
+ baserate = i;
+ }
+
+ info->control.rts_cts_rate_idx = baserate;
}
- if ((info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) ||
- (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)) {
- struct ieee80211_rate *rate;
- s8 baserate = -1;
- int idx;
+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+ /*
+ * make sure there's no valid rate following
+ * an invalid one, just in case drivers don't
+ * take the API seriously to stop at -1.
+ */
+ if (inval) {
+ info->control.rates[i].idx = -1;
+ continue;
+ }
+ if (info->control.rates[i].idx < 0) {
+ inval = true;
+ continue;
+ }
- /* Do not use multiple retry rates when using RTS/CTS */
- info->control.retries[0].rate_idx = -1;
+ /*
+ * For now assume MCS is already set up correctly, this
+ * needs to be fixed.
+ */
+ if (info->control.rates[i].flags & IEEE80211_TX_RC_MCS) {
+ WARN_ON(info->control.rates[i].idx > 76);
+ continue;
+ }
- /* Use min(data rate, max base rate) as CTS/RTS rate */
- rate = &sband->bitrates[tx->rate_idx];
+ /* set up RTS protection if desired */
+ if (rts)
+ info->control.rates[i].flags |=
+ IEEE80211_TX_RC_USE_RTS_CTS;
- for (idx = 0; idx < sband->n_bitrates; idx++) {
- if (sband->bitrates[idx].bitrate > rate->bitrate)
- continue;
- if (tx->sdata->vif.bss_conf.basic_rates & BIT(idx) &&
- (baserate < 0 ||
- (sband->bitrates[baserate].bitrate
- < sband->bitrates[idx].bitrate)))
- baserate = idx;
+ /* RC is busted */
+ if (WARN_ON(info->control.rates[i].idx >=
+ sband->n_bitrates)) {
+ info->control.rates[i].idx = -1;
+ continue;
}
- if (baserate >= 0)
- info->control.rts_cts_rate_idx = baserate;
- else
- info->control.rts_cts_rate_idx = 0;
+ rate = &sband->bitrates[info->control.rates[i].idx];
+
+ /* set up short preamble */
+ if (short_preamble &&
+ rate->flags & IEEE80211_RATE_SHORT_PREAMBLE)
+ info->control.rates[i].flags |=
+ IEEE80211_TX_RC_USE_SHORT_PREAMBLE;
+
+ /* set up G protection */
+ if (!rts && tx->sdata->vif.bss_conf.use_cts_prot &&
+ rate->flags & IEEE80211_RATE_ERP_G)
+ info->control.rates[i].flags |=
+ IEEE80211_TX_RC_USE_CTS_PROTECT;
}
+ return TX_CONTINUE;
+}
+
+static ieee80211_tx_result debug_noinline
+ieee80211_tx_h_misc(struct ieee80211_tx_data *tx)
+{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
+
if (tx->sta)
info->control.sta = &tx->sta->sta;
left = payload_len - per_fragm;
for (i = 0; i < num_fragm - 1; i++) {
struct ieee80211_hdr *fhdr;
+ struct ieee80211_tx_info *info;
size_t copylen;
if (left <= 0)
IEEE80211_ENCRYPT_TAILROOM);
if (!frag)
goto fail;
+
/* Make sure that all fragments use the same priority so
* that they end up using the same TX queue */
frag->priority = first->priority;
+
skb_reserve(frag, tx->local->tx_headroom +
IEEE80211_ENCRYPT_HEADROOM);
+
+ /* copy TX information */
+ info = IEEE80211_SKB_CB(frag);
+ memcpy(info, first->cb, sizeof(frag->cb));
+
+ /* copy/fill in 802.11 header */
fhdr = (struct ieee80211_hdr *) skb_put(frag, hdrlen);
memcpy(fhdr, first->data, hdrlen);
- if (i == num_fragm - 2)
- fhdr->frame_control &= cpu_to_le16(~IEEE80211_FCTL_MOREFRAGS);
fhdr->seq_ctrl = cpu_to_le16(seq | ((i + 1) & IEEE80211_SCTL_FRAG));
+
+ if (i == num_fragm - 2) {
+ /* clear MOREFRAGS bit for the last fragment */
+ fhdr->frame_control &= cpu_to_le16(~IEEE80211_FCTL_MOREFRAGS);
+ } else {
+ /*
+ * No multi-rate retries for fragmented frames, that
+ * would completely throw off the NAV at other STAs.
+ */
+ info->control.rates[1].idx = -1;
+ info->control.rates[2].idx = -1;
+ info->control.rates[3].idx = -1;
+ info->control.rates[4].idx = -1;
+ BUILD_BUG_ON(IEEE80211_TX_MAX_RATES != 5);
+ info->flags &= ~IEEE80211_TX_CTL_RATE_CTRL_PROBE;
+ }
+
+ /* copy data */
copylen = left > per_fragm ? per_fragm : left;
memcpy(skb_put(frag, copylen), pos, copylen);
- memcpy(frag->cb, first->cb, sizeof(frag->cb));
+
skb_copy_queue_mapping(frag, first);
+
frag->do_not_encrypt = first->do_not_encrypt;
pos += copylen;
tx->extra_frag[0]->len);
for (i = 0; i < tx->num_extra_frag; i++) {
- if (i + 1 < tx->num_extra_frag) {
+ if (i + 1 < tx->num_extra_frag)
next_len = tx->extra_frag[i + 1]->len;
- } else {
+ else
next_len = 0;
- tx->rate_idx = tx->last_frag_rate_idx;
- }
hdr = (struct ieee80211_hdr *)tx->extra_frag[i]->data;
hdr->duration_id = ieee80211_duration(tx, 0, next_len);
(struct ieee80211_radiotap_header *) skb->data;
struct ieee80211_supported_band *sband;
int ret = ieee80211_radiotap_iterator_init(&iterator, rthdr, skb->len);
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
sband = tx->local->hw.wiphy->bands[tx->channel->band];
*/
while (!ret) {
- int i, target_rate;
-
ret = ieee80211_radiotap_iterator_next(&iterator);
if (ret)
* get_unaligned((type *)iterator.this_arg) to dereference
* iterator.this_arg for type "type" safely on all arches.
*/
- case IEEE80211_RADIOTAP_RATE:
- /*
- * radiotap rate u8 is in 500kbps units eg, 0x02=1Mbps
- * ieee80211 rate int is in 100kbps units eg, 0x0a=1Mbps
- */
- target_rate = (*iterator.this_arg) * 5;
- for (i = 0; i < sband->n_bitrates; i++) {
- struct ieee80211_rate *r;
-
- r = &sband->bitrates[i];
-
- if (r->bitrate == target_rate) {
- tx->rate_idx = i;
- break;
- }
- }
- break;
-
- case IEEE80211_RADIOTAP_ANTENNA:
- /*
- * radiotap uses 0 for 1st ant, mac80211 is 1 for
- * 1st ant
- */
- info->antenna_sel_tx = (*iterator.this_arg) + 1;
- break;
-
-#if 0
- case IEEE80211_RADIOTAP_DBM_TX_POWER:
- control->power_level = *iterator.this_arg;
- break;
-#endif
-
case IEEE80211_RADIOTAP_FLAGS:
if (*iterator.this_arg & IEEE80211_RADIOTAP_F_FCS) {
/*
tx->local = local;
tx->sdata = IEEE80211_DEV_TO_SUB_IF(dev);
tx->channel = local->hw.conf.channel;
- tx->rate_idx = -1;
- tx->last_frag_rate_idx = -1;
/*
* Set this flag (used below to indicate "automatic fragmentation"),
* it will be cleared/left by radiotap as desired.
if (!tx->extra_frag[i])
continue;
info = IEEE80211_SKB_CB(tx->extra_frag[i]);
- info->flags &= ~(IEEE80211_TX_CTL_USE_RTS_CTS |
- IEEE80211_TX_CTL_USE_CTS_PROTECT |
- IEEE80211_TX_CTL_CLEAR_PS_FILT |
+ info->flags &= ~(IEEE80211_TX_CTL_CLEAR_PS_FILT |
IEEE80211_TX_CTL_FIRST_FRAGMENT);
if (netif_subqueue_stopped(local->mdev,
tx->extra_frag[i]))
return IEEE80211_TX_FRAG_AGAIN;
- if (i == tx->num_extra_frag) {
- info->tx_rate_idx = tx->last_frag_rate_idx;
-
- if (tx->flags & IEEE80211_TX_PROBE_LAST_FRAG)
- info->flags |=
- IEEE80211_TX_CTL_RATE_CTRL_PROBE;
- else
- info->flags &=
- ~IEEE80211_TX_CTL_RATE_CTRL_PROBE;
- }
ret = local->ops->tx(local_to_hw(local),
tx->extra_frag[i]);
store->skb = skb;
store->extra_frag = tx.extra_frag;
store->num_extra_frag = tx.num_extra_frag;
- store->last_frag_rate_idx = tx.last_frag_rate_idx;
- store->last_frag_rate_ctrl_probe =
- !!(tx.flags & IEEE80211_TX_PROBE_LAST_FRAG);
}
out:
rcu_read_unlock();
store = &local->pending_packet[i];
tx.extra_frag = store->extra_frag;
tx.num_extra_frag = store->num_extra_frag;
- tx.last_frag_rate_idx = store->last_frag_rate_idx;
tx.flags = 0;
- if (store->last_frag_rate_ctrl_probe)
- tx.flags |= IEEE80211_TX_PROBE_LAST_FRAG;
ret = __ieee80211_tx(local, store->skb, &tx);
if (ret) {
if (ret == IEEE80211_TX_FRAG_AGAIN)
struct ieee80211_sub_if_data *sdata = NULL;
struct ieee80211_if_ap *ap = NULL;
struct ieee80211_if_sta *ifsta = NULL;
- struct rate_selection rsel;
struct beacon_data *beacon;
struct ieee80211_supported_band *sband;
enum ieee80211_band band = local->hw.conf.channel->band;
skb->do_not_encrypt = 1;
info->band = band;
- rate_control_get_rate(sdata, sband, NULL, skb, &rsel);
-
- if (unlikely(rsel.rate_idx < 0)) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: ieee80211_beacon_get: "
- "no rate found\n",
- wiphy_name(local->hw.wiphy));
- }
- dev_kfree_skb_any(skb);
- skb = NULL;
- goto out;
- }
+ /*
+ * XXX: For now, always use the lowest rate
+ */
+ info->control.rates[0].idx = 0;
+ info->control.rates[0].count = 1;
+ info->control.rates[1].idx = -1;
+ info->control.rates[2].idx = -1;
+ info->control.rates[3].idx = -1;
+ info->control.rates[4].idx = -1;
+ BUILD_BUG_ON(IEEE80211_TX_MAX_RATES != 5);
info->control.vif = vif;
- info->tx_rate_idx = rsel.rate_idx;
info->flags |= IEEE80211_TX_CTL_NO_ACK;
info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ;
- if (sdata->vif.bss_conf.use_short_preamble &&
- sband->bitrates[rsel.rate_idx].flags & IEEE80211_RATE_SHORT_PREAMBLE)
- info->flags |= IEEE80211_TX_CTL_SHORT_PREAMBLE;
-
- info->control.retry_limit = 1;
-
-out:
+ out:
rcu_read_unlock();
return skb;
}
sta = sta_info_get(local, sdata->u.sta.bssid);
- if (sta && sta->last_txrate_idx < sband->n_bitrates)
- rate->value = sband->bitrates[sta->last_txrate_idx].bitrate;
+ if (sta && !(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS))
+ rate->value = sband->bitrates[sta->last_tx_rate.idx].bitrate;
else
rate->value = 0;
projects / users / hch / configfs.git / commitdiff