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| author | Linas Vepstas <linas@austin.ibm.com> | 2006-10-10 16:13:05 -0500 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-10-11 04:04:26 -0400 |
| commit | 68a8c609b3071c2441fa64f584d15311f2c10e61 (patch) | |
| tree | 4b58a435e0dd351517366051896a92997bba2771 /drivers/net/spider_net.c | |
| parent | 204e5fa17c7ba45a89989f8da6dfe8e54d64b79b (diff) | |
| download | lwn-68a8c609b3071c2441fa64f584d15311f2c10e61.tar.gz lwn-68a8c609b3071c2441fa64f584d15311f2c10e61.zip | |
[PATCH] powerpc/cell spidernet NAPI polling info.
This patch moves transmit queue cleanup code out of the
interrupt context, and into the NAPI polling routine.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: James K Lewis <jklewis@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/spider_net.c')
| -rw-r--r-- | drivers/net/spider_net.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c index 96b5d00c21da..e429abc1e947 100644 --- a/drivers/net/spider_net.c +++ b/drivers/net/spider_net.c @@ -715,7 +715,7 @@ spider_net_release_tx_descr(struct spider_net_card *card) len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len; pci_unmap_single(card->pdev, descr->buf_addr, len, PCI_DMA_TODEVICE); - dev_kfree_skb_any(skb); + dev_kfree_skb(skb); } static void @@ -885,9 +885,10 @@ spider_net_xmit(struct sk_buff *skb, struct net_device *netdev) * spider_net_cleanup_tx_ring - cleans up the TX ring * @card: card structure * - * spider_net_cleanup_tx_ring is called by the tx_timer (as we don't use - * interrupts to cleanup our TX ring) and returns sent packets to the stack - * by freeing them + * spider_net_cleanup_tx_ring is called by either the tx_timer + * or from the NAPI polling routine. + * This routine releases resources associted with transmitted + * packets, including updating the queue tail pointer. */ static void spider_net_cleanup_tx_ring(struct spider_net_card *card) @@ -1092,6 +1093,7 @@ spider_net_poll(struct net_device *netdev, int *budget) int packets_to_do, packets_done = 0; int no_more_packets = 0; + spider_net_cleanup_tx_ring(card); packets_to_do = min(*budget, netdev->quota); while (packets_to_do) { @@ -1504,10 +1506,8 @@ spider_net_interrupt(int irq, void *ptr) spider_net_rx_irq_off(card); netif_rx_schedule(netdev); } - if (status_reg & SPIDER_NET_TXINT ) { - spider_net_cleanup_tx_ring(card); - netif_wake_queue(netdev); - } + if (status_reg & SPIDER_NET_TXINT) + netif_rx_schedule(netdev); if (status_reg & SPIDER_NET_ERRINT ) spider_net_handle_error_irq(card, status_reg); |