Spidernet RX Refill
The invocation of the rx ring refill routine is haphazard,
it can be called from a central location.
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>
diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c
index 32a4585..f587412 100644
--- a/drivers/net/spider_net.c
+++ b/drivers/net/spider_net.c
@@ -980,17 +980,11 @@
status = spider_net_get_descr_status(descr);
- /* nothing in the descriptor yet */
- if (status == SPIDER_NET_DESCR_CARDOWNED)
+ /* Nothing in the descriptor, or ring must be empty */
+ if ((status == SPIDER_NET_DESCR_CARDOWNED) ||
+ (status == SPIDER_NET_DESCR_NOT_IN_USE))
return 0;
- if (status == SPIDER_NET_DESCR_NOT_IN_USE) {
- /* not initialized yet, the ring must be empty */
- spider_net_refill_rx_chain(card);
- spider_net_enable_rxdmac(card);
- return 0;
- }
-
/* descriptor definitively used -- move on tail */
chain->tail = descr->next;
@@ -1074,6 +1068,7 @@
netdev->quota -= packets_done;
*budget -= packets_done;
spider_net_refill_rx_chain(card);
+ spider_net_enable_rxdmac(card);
/* if all packets are in the stack, enable interrupts and return 0 */
/* if not, return 1 */