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qeth: l3 hw tx csum circumvent hw bug

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Some OSA level have a bug in the hw tx csum logic. We can circumvent
this bug by turning on IP hw csum also.

Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Frank Blaschka 2011-01-12 20:42:25 +00:00 committed by David S. Miller
parent 394234406c
commit 16c0f93624
1 changed files with 3 additions and 1 deletions
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4
drivers/s390/net/qeth_l3_main.c
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@ -2998,7 +2998,9 @@ static inline void qeth_l3_hdr_csum(struct qeth_card *card,
*/
if (iph->protocol == IPPROTO_UDP)
hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_UDP;
hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ;
hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ |
QETH_HDR_EXT_CSUM_HDR_REQ;
iph->check = 0;
if (card->options.performance_stats)
card->perf_stats.tx_csum++;
}