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authorLinas Vepstas <linas@austin.ibm.com>2006-12-13 15:06:59 -0600
committerJeff Garzik <jeff@garzik.org>2007-02-05 16:58:43 -0500
commitd4ed8f8d1fb7d59eb63d2eada9a32c2f8c3795e2 (patch)
tree5deb53b975439ce61e40bee57259c2d113df598a /drivers/net/spider_net_ethtool.c
parent834324687d08e0f67b167934cb56406aa98ff8c6 (diff)
downloadop-kernel-dev-d4ed8f8d1fb7d59eb63d2eada9a32c2f8c3795e2.zip
op-kernel-dev-d4ed8f8d1fb7d59eb63d2eada9a32c2f8c3795e2.tar.gz
Spidernet DMA coalescing
The current driver code performs 512 DMA mappings of a bunch of 32-byte ring descriptor structures. This is silly, as they are all in contiguous memory. This patch changes the code to dma_map_coherent() each rx/tx ring as a whole. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/spider_net_ethtool.c')
-rw-r--r--drivers/net/spider_net_ethtool.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/spider_net_ethtool.c b/drivers/net/spider_net_ethtool.c
index 91b9951..6bcf03f 100644
--- a/drivers/net/spider_net_ethtool.c
+++ b/drivers/net/spider_net_ethtool.c
@@ -158,9 +158,9 @@ spider_net_ethtool_get_ringparam(struct net_device *netdev,
struct spider_net_card *card = netdev->priv;
ering->tx_max_pending = SPIDER_NET_TX_DESCRIPTORS_MAX;
- ering->tx_pending = card->num_tx_desc;
+ ering->tx_pending = card->tx_chain.num_desc;
ering->rx_max_pending = SPIDER_NET_RX_DESCRIPTORS_MAX;
- ering->rx_pending = card->num_rx_desc;
+ ering->rx_pending = card->rx_chain.num_desc;
}
static int spider_net_get_stats_count(struct net_device *netdev)
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