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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2009-05-25 08:35:46 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-05-25 08:35:46 -0400
commit9af5324a070e0b2dcb6e22c89e17424eba245fcc (patch)
tree6a41efb99c726e4cbceb9d8cd569ef0ce82238c8 /drivers/net
parent56a459314a982bae75b9bce64bcca853d378ca7e (diff)
parent9733bb8e9ce0078f55405ce470a62ec0a551fe99 (diff)
Merge branch 'ixp4xx' of git://git.kernel.org/pub/scm/linux/kernel/git/chris/linux-2.6 into devel
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/arm/ixp4xx_eth.c13
-rw-r--r--drivers/net/wan/ixp4xx_hss.c9
2 files changed, 10 insertions, 12 deletions
diff --git a/drivers/net/arm/ixp4xx_eth.c b/drivers/net/arm/ixp4xx_eth.c
index 672c9626b9ca..b6d188115caf 100644
--- a/drivers/net/arm/ixp4xx_eth.c
+++ b/drivers/net/arm/ixp4xx_eth.c
@@ -513,8 +513,8 @@ static int eth_poll(struct napi_struct *napi, int budget)
513#endif 513#endif
514 napi_complete(napi); 514 napi_complete(napi);
515 qmgr_enable_irq(rxq); 515 qmgr_enable_irq(rxq);
516 if (!qmgr_stat_nearly_empty(rxq) && 516 if (!qmgr_stat_below_low_watermark(rxq) &&
517 napi_reschedule(napi)) { /* really empty in fact */ 517 napi_reschedule(napi)) { /* not empty again */
518#if DEBUG_RX 518#if DEBUG_RX
519 printk(KERN_DEBUG "%s: eth_poll" 519 printk(KERN_DEBUG "%s: eth_poll"
520 " napi_reschedule successed\n", 520 " napi_reschedule successed\n",
@@ -631,10 +631,9 @@ static void eth_txdone_irq(void *unused)
631 port->tx_buff_tab[n_desc] = NULL; 631 port->tx_buff_tab[n_desc] = NULL;
632 } 632 }
633 633
634 /* really empty in fact */ 634 start = qmgr_stat_below_low_watermark(port->plat->txreadyq);
635 start = qmgr_stat_nearly_empty(port->plat->txreadyq);
636 queue_put_desc(port->plat->txreadyq, phys, desc); 635 queue_put_desc(port->plat->txreadyq, phys, desc);
637 if (start) { 636 if (start) { /* TX-ready queue was empty */
638#if DEBUG_TX 637#if DEBUG_TX
639 printk(KERN_DEBUG "%s: eth_txdone_irq xmit ready\n", 638 printk(KERN_DEBUG "%s: eth_txdone_irq xmit ready\n",
640 port->netdev->name); 639 port->netdev->name);
@@ -710,14 +709,14 @@ static int eth_xmit(struct sk_buff *skb, struct net_device *dev)
710 queue_put_desc(TX_QUEUE(port->id), tx_desc_phys(port, n), desc); 709 queue_put_desc(TX_QUEUE(port->id), tx_desc_phys(port, n), desc);
711 dev->trans_start = jiffies; 710 dev->trans_start = jiffies;
712 711
713 if (qmgr_stat_nearly_empty(txreadyq)) { /* really empty in fact */ 712 if (qmgr_stat_below_low_watermark(txreadyq)) { /* empty */
714#if DEBUG_TX 713#if DEBUG_TX
715 printk(KERN_DEBUG "%s: eth_xmit queue full\n", dev->name); 714 printk(KERN_DEBUG "%s: eth_xmit queue full\n", dev->name);
716#endif 715#endif
717 netif_stop_queue(dev); 716 netif_stop_queue(dev);
718 /* we could miss TX ready interrupt */ 717 /* we could miss TX ready interrupt */
719 /* really empty in fact */ 718 /* really empty in fact */
720 if (!qmgr_stat_nearly_empty(txreadyq)) { 719 if (!qmgr_stat_below_low_watermark(txreadyq)) {
721#if DEBUG_TX 720#if DEBUG_TX
722 printk(KERN_DEBUG "%s: eth_xmit ready again\n", 721 printk(KERN_DEBUG "%s: eth_xmit ready again\n",
723 dev->name); 722 dev->name);
diff --git a/drivers/net/wan/ixp4xx_hss.c b/drivers/net/wan/ixp4xx_hss.c
index 1e56e58c6605..a6dc317083d3 100644
--- a/drivers/net/wan/ixp4xx_hss.c
+++ b/drivers/net/wan/ixp4xx_hss.c
@@ -790,11 +790,10 @@ static void hss_hdlc_txdone_irq(void *pdev)
790 free_buffer_irq(port->tx_buff_tab[n_desc]); 790 free_buffer_irq(port->tx_buff_tab[n_desc]);
791 port->tx_buff_tab[n_desc] = NULL; 791 port->tx_buff_tab[n_desc] = NULL;
792 792
793 /* really empty in fact */ 793 start = qmgr_stat_below_low_watermark(port->plat->txreadyq);
794 start = qmgr_stat_nearly_empty(port->plat->txreadyq);
795 queue_put_desc(port->plat->txreadyq, 794 queue_put_desc(port->plat->txreadyq,
796 tx_desc_phys(port, n_desc), desc); 795 tx_desc_phys(port, n_desc), desc);
797 if (start) { 796 if (start) { /* TX-ready queue was empty */
798#if DEBUG_TX 797#if DEBUG_TX
799 printk(KERN_DEBUG "%s: hss_hdlc_txdone_irq xmit" 798 printk(KERN_DEBUG "%s: hss_hdlc_txdone_irq xmit"
800 " ready\n", dev->name); 799 " ready\n", dev->name);
@@ -869,13 +868,13 @@ static int hss_hdlc_xmit(struct sk_buff *skb, struct net_device *dev)
869 queue_put_desc(queue_ids[port->id].tx, tx_desc_phys(port, n), desc); 868 queue_put_desc(queue_ids[port->id].tx, tx_desc_phys(port, n), desc);
870 dev->trans_start = jiffies; 869 dev->trans_start = jiffies;
871 870
872 if (qmgr_stat_nearly_empty(txreadyq)) { /* really empty in fact */ 871 if (qmgr_stat_below_low_watermark(txreadyq)) { /* empty */
873#if DEBUG_TX 872#if DEBUG_TX
874 printk(KERN_DEBUG "%s: hss_hdlc_xmit queue full\n", dev->name); 873 printk(KERN_DEBUG "%s: hss_hdlc_xmit queue full\n", dev->name);
875#endif 874#endif
876 netif_stop_queue(dev); 875 netif_stop_queue(dev);
877 /* we could miss TX ready interrupt */ 876 /* we could miss TX ready interrupt */
878 if (!qmgr_stat_nearly_empty(txreadyq)) { 877 if (!qmgr_stat_below_low_watermark(txreadyq)) {
879#if DEBUG_TX 878#if DEBUG_TX
880 printk(KERN_DEBUG "%s: hss_hdlc_xmit ready again\n", 879 printk(KERN_DEBUG "%s: hss_hdlc_xmit ready again\n",
881 dev->name); 880 dev->name);