mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-05 16:37:50 +00:00
Code Issues Releases Wiki Activity

p54: redo queue numbering

Browse source 
The firmware supports 8 different queues and not only 4.
So, let's make some room for further tasks (ap/adhoc support)
in this area.

Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Chr 2008-08-24 03:15:16 +02:00 committed by John W. Linville
parent 031d10ee5a
commit 84df3ed30b
2 changed files with 14 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/net/wireless/p54/p54.h
View file

@ -66,7 +66,7 @@ struct p54_common {
unsigned int tx_hdr_len;
void *cached_vdcf;
unsigned int fw_var;
struct ieee80211_tx_queue_stats tx_stats[4];
struct ieee80211_tx_queue_stats tx_stats[8];
};
int p54_rx(struct ieee80211_hw *dev, struct sk_buff *skb);

22
drivers/net/wireless/p54/p54common.c
View file

@ -146,10 +146,10 @@ void p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw)
if (priv->fw_var >= 0x300) {
/* Firmware supports QoS, use it! */
priv->tx_stats[0].limit = 3;
priv->tx_stats[1].limit = 4;
priv->tx_stats[2].limit = 3;
priv->tx_stats[3].limit = 1;
priv->tx_stats[4].limit = 3;
priv->tx_stats[5].limit = 4;
priv->tx_stats[6].limit = 3;
priv->tx_stats[7].limit = 1;
dev->queues = 4;
}
}
@ -418,7 +418,7 @@ static void inline p54_wake_free_queues(struct ieee80211_hw *dev)
int i;
for (i = 0; i < dev->queues; i++)
if (priv->tx_stats[i].len < priv->tx_stats[i].limit)
if (priv->tx_stats[i + 4].len < priv->tx_stats[i + 4].limit)
ieee80211_wake_queue(dev, i);
}
@ -463,7 +463,7 @@ static void p54_rx_frame_sent(struct ieee80211_hw *dev, struct sk_buff *skb)
if ((entry_hdr->magic1 & cpu_to_le16(0x4000)) != 0)
pad = entry_data->align[0];
priv->tx_stats[entry_data->hw_queue - 4].len--;
priv->tx_stats[entry_data->hw_queue].len--;
if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
if (!(payload->status & 0x01))
info->flags |= IEEE80211_TX_STAT_ACK;
@ -606,7 +606,7 @@ static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
u8 rate;
u8 cts_rate = 0x20;
current_queue = &priv->tx_stats[skb_get_queue_mapping(skb)];
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++;
@ -1037,7 +1037,7 @@ static int p54_get_tx_stats(struct ieee80211_hw *dev,
{
struct p54_common *priv = dev->priv;
memcpy(stats, &priv->tx_stats, sizeof(stats[0]) * dev->queues);
memcpy(stats, &priv->tx_stats[4], sizeof(stats[0]) * dev->queues);
return 0;
}
@ -1075,7 +1075,11 @@ struct ieee80211_hw *p54_init_common(size_t priv_data_len)
dev->channel_change_time = 1000; /* TODO: find actual value */
dev->max_signal = 127;
priv->tx_stats[0].limit = 5;
priv->tx_stats[0].limit = 1;
priv->tx_stats[1].limit = 1;
priv->tx_stats[2].limit = 1;
priv->tx_stats[3].limit = 1;
priv->tx_stats[4].limit = 5;
dev->queues = 1;
dev->extra_tx_headroom = sizeof(struct p54_control_hdr) + 4 +