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Oops, make Rx interrupt deferral actually work.

This commit is contained in:
thorpej 2001-07-30 20:12:10 +00:00
parent 17e6f300f9
commit 8fc6974449
1 changed files with 5 additions and 3 deletions
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8
sys/dev/pci/if_stge.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_stge.c,v 1.5 2001/07/27 22:46:20 thorpej Exp $ */
/* $NetBSD: if_stge.c,v 1.6 2001/07/30 20:12:10 thorpej Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
@ -1533,10 +1533,12 @@ stge_init(struct ifnet *ifp)
/*
* Initialize the Rx DMA interrupt control register. We
* request an interrupt after every incoming packet, but
* defer it for 32us (64 * 512 ns).
* defer it for 32us (64 * 512 ns). When the number of
* interrupts pending reaches 8, we stop deferring the
* interrupt, and signal it immediately.
*/
bus_space_write_4(st, sh, STGE_RxDMAIntCtrl,
RDIC_RxFrameCount(1) | RDIC_RxDMAWaitTime(512));
RDIC_RxFrameCount(8) | RDIC_RxDMAWaitTime(512));
/*
* Initialize the interrupt mask.