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authorLinas Vepstas <linas@austin.ibm.com>2006-12-13 16:18:52 -0500
committerJeff Garzik <jeff@garzik.org>2007-02-05 16:58:44 -0500
commit80dab7c7e5b7c4e53e9423c22375bfd9cbf7f2c3 (patch)
tree017fca97141b714eb52c1393100d06cb004fed47 /drivers/net/spider_net.c
parent7f7223b8f11f9857fba1dbd5474882219a7ae6e9 (diff)
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>
Diffstat (limited to 'drivers/net/spider_net.c')
-rw-r--r--drivers/net/spider_net.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c
index 32a45859dfdd..f58741239196 100644
--- a/drivers/net/spider_net.c
+++ b/drivers/net/spider_net.c
@@ -980,17 +980,11 @@ spider_net_decode_one_descr(struct spider_net_card *card)
980 980
981 status = spider_net_get_descr_status(descr); 981 status = spider_net_get_descr_status(descr);
982 982
983 /* nothing in the descriptor yet */ 983 /* Nothing in the descriptor, or ring must be empty */
984 if (status == SPIDER_NET_DESCR_CARDOWNED) 984 if ((status == SPIDER_NET_DESCR_CARDOWNED) ||
985 (status == SPIDER_NET_DESCR_NOT_IN_USE))
985 return 0; 986 return 0;
986 987
987 if (status == SPIDER_NET_DESCR_NOT_IN_USE) {
988 /* not initialized yet, the ring must be empty */
989 spider_net_refill_rx_chain(card);
990 spider_net_enable_rxdmac(card);
991 return 0;
992 }
993
994 /* descriptor definitively used -- move on tail */ 988 /* descriptor definitively used -- move on tail */
995 chain->tail = descr->next; 989 chain->tail = descr->next;
996 990
@@ -1074,6 +1068,7 @@ spider_net_poll(struct net_device *netdev, int *budget)
1074 netdev->quota -= packets_done; 1068 netdev->quota -= packets_done;
1075 *budget -= packets_done; 1069 *budget -= packets_done;
1076 spider_net_refill_rx_chain(card); 1070 spider_net_refill_rx_chain(card);
1071 spider_net_enable_rxdmac(card);
1077 1072
1078 /* if all packets are in the stack, enable interrupts and return 0 */ 1073 /* if all packets are in the stack, enable interrupts and return 0 */
1079 /* if not, return 1 */ 1074 /* if not, return 1 */