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Set TI_OPMODE_1_DMA_ACTIVE only if hardware assisted checksum isn't used 

(FreeBSD does it this way). My Tigon II works with hardware assisted checksum
now.
This commit is contained in:
bouyer 2001-06-07 14:35:58 +00:00
parent 2a32c938de
commit df4739c8cb
1 changed files with 5 additions and 4 deletions
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9
sys/dev/pci/if_ti.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: if_ti.c,v 1.23 2001/06/03 03:46:43 thorpej Exp $ */
/* $NetBSD: if_ti.c,v 1.24 2001/06/07 14:35:58 bouyer Exp $ */
/*
* Copyright (c) 1997, 1998, 1999
@ -1404,10 +1404,11 @@ static int ti_chipinit(sc)
* I don't think this is a good idea, but without it
* the firmware racks up lots of nicDmaReadRingFull
* errors.
* Incompatible with hardware assisted checksums.
*/
#ifndef TI_CSUM_OFFLOAD /* XXXJRT */
TI_SETBIT(sc, TI_GCR_OPMODE, TI_OPMODE_1_DMA_ACTIVE);
#endif
if ((sc->ethercom.ec_if.if_capenable &
(IFCAP_CSUM_TCPv4|IFCAP_CSUM_UDPv4|IFCAP_CSUM_IPv4)) == 0)
TI_SETBIT(sc, TI_GCR_OPMODE, TI_OPMODE_1_DMA_ACTIVE);
/* Recommended settings from Tigon manual. */
CSR_WRITE_4(sc, TI_GCR_DMA_WRITECFG, TI_DMA_STATE_THRESH_8W);