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spidernet: silence the ramfull messages

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Although the previous patch resolved issues with hangs when the
RX ram full interrupt is encountered, there are still situations
where lots of RX ramfull interrupts arrive, resulting in a noisy
log in syslog. There is no need for this.

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 13:26:50 -05:00 committed by Jeff Garzik
parent 2bf27a0d49
commit c3d1182a53
2 changed files with 12 additions and 9 deletions
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20
drivers/net/spider_net.c
View file

@ -1172,7 +1172,7 @@ spider_net_decode_one_descr(struct spider_net_card *card)
goto bad_desc;
}
if (hwdescr->dmac_cmd_status & 0xfefe) {
if (hwdescr->dmac_cmd_status & 0xfcf4) {
pr_err("%s: bad status, cmd_status=x%08x\n",
card->netdev->name,
hwdescr->dmac_cmd_status);
@ -1251,6 +1251,7 @@ spider_net_poll(struct net_device *netdev, int *budget)
if (no_more_packets) {
netif_rx_complete(netdev);
spider_net_rx_irq_on(card);
card->ignore_rx_ramfull = 0;
return 0;
}
@ -1484,15 +1485,15 @@ spider_net_handle_error_irq(struct spider_net_card *card, u32 status_reg)
case SPIDER_NET_GRFBFLLINT: /* fallthrough */
case SPIDER_NET_GRFAFLLINT: /* fallthrough */
case SPIDER_NET_GRMFLLINT:
if (netif_msg_intr(card) && net_ratelimit())
pr_err("Spider RX RAM full, incoming packets "
"might be discarded!\n");
/* Could happen when rx chain is full */
spider_net_resync_head_ptr(card);
spider_net_refill_rx_chain(card);
spider_net_enable_rxdmac(card);
card->num_rx_ints ++;
netif_rx_schedule(card->netdev);
if (card->ignore_rx_ramfull == 0) {
card->ignore_rx_ramfull = 1;
spider_net_resync_head_ptr(card);
spider_net_refill_rx_chain(card);
spider_net_enable_rxdmac(card);
card->num_rx_ints ++;
netif_rx_schedule(card->netdev);
}
show_error = 0;
break;
@ -2265,6 +2266,7 @@ spider_net_setup_netdev(struct spider_net_card *card)
netdev->irq = card->pdev->irq;
card->num_rx_ints = 0;
card->ignore_rx_ramfull = 0;
dn = pci_device_to_OF_node(card->pdev);
if (!dn)

1
drivers/net/spider_net.h
View file

@ -462,6 +462,7 @@ struct spider_net_card {
atomic_t tx_timeout_task_counter;
wait_queue_head_t waitq;
int num_rx_ints;
int ignore_rx_ramfull;
/* for ethtool */
int msg_enable;