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p54: put broadcast frames into the right queues

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stlc45xx's specs finally brought some light what all the 4 extra queues for.
now CAB data and managment frames have their own queue.

Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Christian Lamparter 2008-10-18 23:18:44 +02:00 committed by John W. Linville
parent 9e7f3f8e4a
commit 94585b090b
1 changed files with 67 additions and 15 deletions
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82
drivers/net/wireless/p54/p54common.c
View file

@ -902,6 +902,55 @@ int p54_read_eeprom(struct ieee80211_hw *dev)
}
EXPORT_SYMBOL_GPL(p54_read_eeprom);
static int p54_tx_fill(struct ieee80211_hw *dev, struct sk_buff *skb,
struct ieee80211_tx_info *info, u8 *queue, size_t *extra_len,
u16 *flags, u16 *aid)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct p54_common *priv = dev->priv;
int ret = 0;
if (unlikely(ieee80211_is_mgmt(hdr->frame_control))) {
if (ieee80211_is_beacon(hdr->frame_control)) {
*aid = 0;
*queue = 0;
*extra_len = IEEE80211_MAX_TIM_LEN;
*flags = P54_HDR_FLAG_DATA_OUT_TIMESTAMP;
return 0;
} else if (ieee80211_is_probe_resp(hdr->frame_control)) {
*aid = 0;
*queue = 2;
*flags = P54_HDR_FLAG_DATA_OUT_TIMESTAMP |
P54_HDR_FLAG_DATA_OUT_NOCANCEL;
return 0;
} else {
*queue = 2;
ret = 0;
}
} else {
*queue += 4;
ret = 1;
}
switch (priv->mode) {
case NL80211_IFTYPE_STATION:
*aid = 1;
break;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_ADHOC:
if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) {
*aid = 0;
*queue = 3;
return 0;
}
if (info->control.sta)
*aid = info->control.sta->aid;
else
*flags = P54_HDR_FLAG_DATA_OUT_NOCANCEL;
}
return ret;
}
static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@ -909,22 +958,26 @@ static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
struct p54_common *priv = dev->priv;
struct p54_hdr *hdr;
struct p54_tx_data *txhdr;
size_t padding, len;
size_t padding, len, tim_len;
int i, j, ridx;
u16 hdr_flags = 0;
u8 rate;
u16 hdr_flags = 0, aid = 0;
u8 rate, queue;
u8 cts_rate = 0x20;
u8 rc_flags;
u8 calculated_tries[4];
u8 nrates = 0, nremaining = 8;
current_queue = &priv->tx_stats[skb_get_queue_mapping(skb) + 4];
if (unlikely(current_queue->len > current_queue->limit))
return NETDEV_TX_BUSY;
current_queue->len++;
current_queue->count++;
if (current_queue->len == current_queue->limit)
ieee80211_stop_queue(dev, skb_get_queue_mapping(skb));
queue = skb_get_queue_mapping(skb);
if (p54_tx_fill(dev, skb, info, &queue, &tim_len, &hdr_flags, &aid)) {
current_queue = &priv->tx_stats[queue];
if (unlikely(current_queue->len > current_queue->limit))
return NETDEV_TX_BUSY;
current_queue->len++;
current_queue->count++;
if (current_queue->len == current_queue->limit)
ieee80211_stop_queue(dev, skb_get_queue_mapping(skb));
}
padding = (unsigned long)(skb->data - (sizeof(*hdr) + sizeof(*txhdr))) & 3;
len = skb->len;
@ -935,7 +988,7 @@ static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
if (padding)
hdr_flags |= P54_HDR_FLAG_DATA_ALIGN;
hdr->len = cpu_to_le16(len);
hdr->type = (info->flags & IEEE80211_TX_CTL_NO_ACK) ? 0 : cpu_to_le16(1);
hdr->type = cpu_to_le16(aid);
hdr->rts_tries = info->control.rates[0].count;
/*
@ -1013,7 +1066,7 @@ static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
txhdr->rts_rate_idx = 0;
txhdr->key_type = 0;
txhdr->key_len = 0;
txhdr->hw_queue = skb_get_queue_mapping(skb) + 4;
txhdr->hw_queue = queue;
txhdr->backlog = 32;
memset(txhdr->durations, 0, sizeof(txhdr->durations));
txhdr->tx_antenna = (info->antenna_sel_tx == 0) ?
@ -1024,7 +1077,7 @@ static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
txhdr->align[0] = padding;
/* modifies skb->cb and with it info, so must be last! */
if (unlikely(p54_assign_address(dev, skb, hdr, skb->len))) {
if (unlikely(p54_assign_address(dev, skb, hdr, skb->len + tim_len))) {
skb_pull(skb, sizeof(*hdr) + sizeof(*txhdr) + padding);
if (current_queue) {
current_queue->len--;
@ -1509,8 +1562,7 @@ struct ieee80211_hw *p54_init_common(size_t priv_data_len)
priv = dev->priv;
priv->mode = NL80211_IFTYPE_UNSPECIFIED;
skb_queue_head_init(&priv->tx_queue);
dev->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | /* not sure */
IEEE80211_HW_RX_INCLUDES_FCS |
dev->flags = IEEE80211_HW_RX_INCLUDES_FCS |
IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_NOISE_DBM;