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spidernet: service TX later. 

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@austin.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Linas Vepstas 2007-06-11 13:59:21 -05:00 committed by Jeff Garzik
parent 9e0a6e2598
commit e1fd907072
1 changed files with 2 additions and 1 deletions
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3
drivers/net/spider_net.c
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@ -1285,7 +1285,6 @@ 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) {
@ -1310,6 +1309,8 @@ spider_net_poll(struct net_device *netdev, int *budget)
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) {