[PATCH 9/10] spidernet: service TX later.
Linas Vepstas
linas at austin.ibm.com
Wed May 23 09:47:25 EST 2007
When entering the netdev poll routine, empty out the RX
chain first, before cleaning up the TX chain. This should
help avoid RX buffer overflows.
Signed-off-by: Linas Vepstas <linas at austin.ibm.com>
----
drivers/net/spider_net.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
Index: netdev-2.6/drivers/net/spider_net.c
===================================================================
--- netdev-2.6.orig/drivers/net/spider_net.c 2007-05-22 18:03:39.000000000 -0500
+++ netdev-2.6/drivers/net/spider_net.c 2007-05-22 18:03:41.000000000 -0500
@@ -1212,7 +1212,6 @@ spider_net_poll(struct net_device *netde
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) {
@@ -1231,6 +1230,8 @@ spider_net_poll(struct net_device *netde
spider_net_refill_rx_chain(card);
spider_net_enable_rxdmac(card);
+ spider_net_cleanup_tx_ring(card);
+
/* if all packets are in the stack, enable interrupts and return 0 */
/* if not, return 1 */
if (no_more_packets) {
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