Commit e1fd9070 authored by Linas Vepstas's avatar Linas Vepstas Committed by Jeff Garzik
Browse files

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: default avatarLinas Vepstas <linas@austin.ibm.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 9e0a6e25

drivers/net/spider_net.c

+2 −1
Original line number Diff line number Diff line
@@ -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) {

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