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qeth: HiperSockets Network Traffic Analyzer

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New feature to trace HiperSockets network traffic for debugging
purposes.

Signed-off-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>
This commit is contained in:
Ursula Braun
2010-01-11 02:50:50 +00:00
committed by David S. Miller
parent ab8932f3e8
commit 76b11f8e27
8 changed files with 336 additions and 86 deletions
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8
drivers/s390/net/qeth_core_sys.c
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@@ -118,7 +118,7 @@ static ssize_t qeth_dev_portno_store(struct device *dev,
{
struct qeth_card *card = dev_get_drvdata(dev);
char *tmp;
unsigned int portno;
unsigned int portno, limit;
if (!card)
return -EINVAL;
@@ -128,9 +128,11 @@ static ssize_t qeth_dev_portno_store(struct device *dev,
return -EPERM;
portno = simple_strtoul(buf, &tmp, 16);
if (portno > QETH_MAX_PORTNO) {
if (portno > QETH_MAX_PORTNO)
return -EINVAL;
limit = (card->ssqd.pcnt ? card->ssqd.pcnt - 1 : card->ssqd.pcnt);
if (portno > limit)
return -EINVAL;
}
card->info.portno = portno;
return count;