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| author | Frank Blaschka <frank.blaschka@de.ibm.com> | 2011-01-12 20:42:25 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-01-15 20:45:57 -0800 |
| commit | 16c0f9362433a76f01d174bb8b9c87b9a96198ee (patch) | |
| tree | 5ec06583df449099cbfed4794cdecccb60e1483c /drivers | |
| parent | 394234406c7a8a6b947d230b115c918c0a1def68 (diff) | |
| download | linux-3.10-16c0f9362433a76f01d174bb8b9c87b9a96198ee.tar.gz linux-3.10-16c0f9362433a76f01d174bb8b9c87b9a96198ee.tar.bz2 linux-3.10-16c0f9362433a76f01d174bb8b9c87b9a96198ee.zip | |
qeth: l3 hw tx csum circumvent hw bug
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/s390/net/qeth_l3_main.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 988255b443e..d09b0c44fc3 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -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++; } |