From e6e056baa24b48642b86129e8a3fdaa98f2fe947 Mon Sep 17 00:00:00 2001
From: Stefan Raspl <raspl@linux.vnet.ibm.com>
Date: Sun, 22 Apr 2012 21:21:42 +0000
Subject: 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>
---
drivers/s390/net/qeth_core_main.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
(limited to 'drivers/s390')
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index d78d0cedf637..8334dadc681d 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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