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spidernet: silence the ramfull messages 

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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;