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| author | Krzysztof Hałasa <khc@pm.waw.pl> | 2009-05-23 23:14:10 +0200 |
|---|---|---|
| committer | Krzysztof Hałasa <khc@pm.waw.pl> | 2009-05-23 23:14:10 +0200 |
| commit | 6a68afe3a2971953e218e509b16eae0ece43f9ac (patch) | |
| tree | 959bdf3adb548365ae7cc07204d1c323e6820036 /drivers/net/wan/ixp4xx_hss.c | |
| parent | a6a9fb857b5599b3cefef5576967389c1c43eb4c (diff) | |
| download | kernel_samsung_smdk4412-6a68afe3a2971953e218e509b16eae0ece43f9ac.zip kernel_samsung_smdk4412-6a68afe3a2971953e218e509b16eae0ece43f9ac.tar.gz kernel_samsung_smdk4412-6a68afe3a2971953e218e509b16eae0ece43f9ac.tar.bz2 | |
IXP4xx: Ethernet and WAN drivers now support "high" hardware queues.
Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
Diffstat (limited to 'drivers/net/wan/ixp4xx_hss.c')
| -rw-r--r-- | drivers/net/wan/ixp4xx_hss.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/net/wan/ixp4xx_hss.c b/drivers/net/wan/ixp4xx_hss.c index 765a7f5..1e56e58 100644 --- a/drivers/net/wan/ixp4xx_hss.c +++ b/drivers/net/wan/ixp4xx_hss.c @@ -579,7 +579,8 @@ static inline void queue_put_desc(unsigned int queue, u32 phys, debug_desc(phys, desc); BUG_ON(phys & 0x1F); qmgr_put_entry(queue, phys); - BUG_ON(qmgr_stat_overflow(queue)); + /* Don't check for queue overflow here, we've allocated sufficient + length and queues >= 32 don't support this check anyway. */ } @@ -789,7 +790,8 @@ static void hss_hdlc_txdone_irq(void *pdev) free_buffer_irq(port->tx_buff_tab[n_desc]); port->tx_buff_tab[n_desc] = NULL; - start = qmgr_stat_empty(port->plat->txreadyq); + /* really empty in fact */ + start = qmgr_stat_nearly_empty(port->plat->txreadyq); queue_put_desc(port->plat->txreadyq, tx_desc_phys(port, n_desc), desc); if (start) { @@ -867,13 +869,13 @@ static int hss_hdlc_xmit(struct sk_buff *skb, struct net_device *dev) queue_put_desc(queue_ids[port->id].tx, tx_desc_phys(port, n), desc); dev->trans_start = jiffies; - if (qmgr_stat_empty(txreadyq)) { + if (qmgr_stat_nearly_empty(txreadyq)) { /* really empty in fact */ #if DEBUG_TX printk(KERN_DEBUG "%s: hss_hdlc_xmit queue full\n", dev->name); #endif netif_stop_queue(dev); /* we could miss TX ready interrupt */ - if (!qmgr_stat_empty(txreadyq)) { + if (!qmgr_stat_nearly_empty(txreadyq)) { #if DEBUG_TX printk(KERN_DEBUG "%s: hss_hdlc_xmit ready again\n", dev->name); |