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authorStefan Raspl <raspl@linux.vnet.ibm.com>2012-04-22 21:21:42 +0000
committerDavid S. Miller <davem@davemloft.net>2012-04-24 00:33:17 -0400
commite6e056baa24b48642b86129e8a3fdaa98f2fe947 (patch)
tree9a9b9bf524a1d362a18b1596403aade3ce90fbce /drivers/s390/net
parent7e665afbb561544d6fcc3334285db5809a38d2c8 (diff)
downloadop-kernel-dev-e6e056baa24b48642b86129e8a3fdaa98f2fe947.zip
op-kernel-dev-e6e056baa24b48642b86129e8a3fdaa98f2fe947.tar.gz
qeth: Use blkt defaults for OSA Express 4
The previous blkt defaults for OSA Express 4 cards produced inadequate performance for streaming workloads. The present patch will apply a set of more appropriate defaults. Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com> Reviewed-by: Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/s390/net')
-rw-r--r--drivers/s390/net/qeth_core_main.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index d78d0ce..8334dad 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -1672,7 +1672,8 @@ static void qeth_configure_blkt_default(struct qeth_card *card, char *prcd)
{
QETH_DBF_TEXT(SETUP, 2, "cfgblkt");
- if (prcd[74] == 0xF0 && prcd[75] == 0xF0 && prcd[76] == 0xF5) {
+ if (prcd[74] == 0xF0 && prcd[75] == 0xF0 &&
+ (prcd[76] == 0xF5 || prcd[76] == 0xF6)) {
card->info.blkt.time_total = 250;
card->info.blkt.inter_packet = 5;
card->info.blkt.inter_packet_jumbo = 15;
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