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Spidernet RX Refill

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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>
This commit is contained in:
Linas Vepstas 2006-12-13 15:18:52 -06:00 committed by Jeff Garzik
parent 7f7223b8f1
commit 80dab7c7e5
1 changed files with 4 additions and 9 deletions
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13
drivers/net/spider_net.c
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@ -980,17 +980,11 @@ spider_net_decode_one_descr(struct spider_net_card *card)
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 @@ spider_net_poll(struct net_device *netdev, int *budget)
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 */