diff options
| author | Christian Lamparter <chunkeey@web.de> | 2008-10-15 01:56:20 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-10-31 23:00:32 (GMT) |
| commit | 0f1be978910092bed5d8dac0774e5cf85d4b4e12 (patch) | |
| tree | 9f7f19b7a56dfefcca0f29a28371466dbd0ac025 /drivers | |
| parent | 0fdd7c5d2defe8c6873eb8a40a880eb0dc59573d (diff) | |
| download | linux-0f1be978910092bed5d8dac0774e5cf85d4b4e12.tar.xz | |
p54: refactor statistic timer code
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/p54/p54common.c | 39 |
1 files changed, 25 insertions, 14 deletions
diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c index 7ddb93b..fcde424 100644 --- a/drivers/net/wireless/p54/p54common.c +++ b/drivers/net/wireless/p54/p54common.c @@ -1151,19 +1151,32 @@ static int p54_set_edcf(struct ieee80211_hw *dev) return 0; } -static int p54_start(struct ieee80211_hw *dev) +static int p54_init_stats(struct ieee80211_hw *dev) { struct p54_common *priv = dev->priv; - int err; + struct p54_control_hdr *hdr; + struct p54_statistics *stats; - if (!priv->cached_stats) { - priv->cached_stats = kzalloc(sizeof(struct p54_statistics) + - priv->tx_hdr_len + sizeof(struct p54_control_hdr), - GFP_KERNEL); + priv->cached_stats = kzalloc(priv->tx_hdr_len + + sizeof(*hdr) + sizeof(*stats), GFP_KERNEL); - if (!priv->cached_stats) + if (!priv->cached_stats) return -ENOMEM; - } + + hdr = (void *) priv->cached_stats + priv->tx_hdr_len; + hdr->magic1 = cpu_to_le16(0x8000); + hdr->len = cpu_to_le16(sizeof(*stats)); + hdr->type = cpu_to_le16(P54_CONTROL_TYPE_STAT_READBACK); + hdr->retry1 = hdr->retry2 = 0; + + mod_timer(&priv->stats_timer, jiffies + HZ); + return 0; +} + +static int p54_start(struct ieee80211_hw *dev) +{ + struct p54_common *priv = dev->priv; + int err; err = priv->open(dev); if (!err) @@ -1174,7 +1187,7 @@ static int p54_start(struct ieee80211_hw *dev) P54_SET_QUEUE(priv->qos_params[3], 0x0007, 0x000f, 0x03ff, 0); err = p54_set_edcf(dev); if (!err) - mod_timer(&priv->stats_timer, jiffies + HZ); + err = p54_init_stats(dev); return err; } @@ -1185,6 +1198,8 @@ static void p54_stop(struct ieee80211_hw *dev) struct sk_buff *skb; del_timer(&priv->stats_timer); + kfree(priv->cached_stats); + priv->cached_stats = NULL; while ((skb = skb_dequeue(&priv->tx_queue))) kfree_skb(skb); priv->stop(dev); @@ -1346,11 +1361,7 @@ static void p54_statistics_timer(unsigned long data) struct p54_statistics *stats; BUG_ON(!priv->cached_stats); - - hdr = (void *)priv->cached_stats + priv->tx_hdr_len; - hdr->magic1 = cpu_to_le16(0x8000); - hdr->len = cpu_to_le16(sizeof(*stats)); - hdr->type = cpu_to_le16(P54_CONTROL_TYPE_STAT_READBACK); + hdr = (void *) priv->cached_stats + priv->tx_hdr_len; p54_assign_address(dev, NULL, hdr, sizeof(*hdr) + sizeof(*stats)); priv->tx(dev, hdr, sizeof(*hdr) + sizeof(*stats), 0); |