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In sk_watchdog(), attempt to reclaim pending TX descriptors before 

resetting the hardware.  Should fix occasional watchdog timeouts
seen with this driver.

From FreeBSD, via OpenBSD.
This commit is contained in:
riz 2006-08-25 20:16:57 +00:00
parent 2c65982795
commit df667bafa9
1 changed files with 13 additions and 3 deletions
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16
sys/dev/pci/if_sk.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: if_sk.c,v 1.31 2006/08/25 02:34:30 riz Exp $ */
/* $NetBSD: if_sk.c,v 1.32 2006/08/25 20:16:57 riz Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
@ -1998,8 +1998,18 @@ sk_watchdog(struct ifnet *ifp)
{
struct sk_if_softc *sc_if = ifp->if_softc;
aprint_error("%s: watchdog timeout\n", sc_if->sk_dev.dv_xname);
(void) sk_init(ifp);
/*
* Reclaim first as there is a possibility of losing Tx completion
* interrupts.
*/
sk_txeof(sc_if);
if (sc_if->sk_cdata.sk_tx_cnt != 0) {
aprint_error("%s: watchdog timeout\n", sc_if->sk_dev.dv_xname);
ifp->if_oerrors++;
sk_init(ifp);
}
}
void