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qeth: new message if OLM limit is reached

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z/OS may activate Optimized Latency Mode (OLM) for a connection
through an OSA Express3 adapter, which reduces the number of
allowed concurrent connections, if adapter is used in shared mode.
Create a meaningful message, if activation of an OSA-connection fails
due to an active OLM-connection on the shared OSA-adapter.

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 2010-05-11 19:34:46 +00:00 committed by David S. Miller
parent f6b85b6c42
commit 65a1f898ef
1 changed files with 9 additions and 1 deletions
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10
drivers/s390/net/qeth_core_main.c
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@ -1976,6 +1976,7 @@ static int qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
unsigned long data)
{
struct qeth_cmd_buffer *iob;
int rc = 0;
QETH_DBF_TEXT(SETUP, 2, "ulpstpcb");
@ -1983,8 +1984,15 @@ static int qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
memcpy(&card->token.ulp_connection_r,
QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data),
QETH_MPC_TOKEN_LENGTH);
if (!strncmp("00S", QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data),
3)) {
QETH_DBF_TEXT(SETUP, 2, "olmlimit");
dev_err(&card->gdev->dev, "A connection could not be "
"established because of an OLM limit\n");
rc = -EMLINK;
}
QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc);
return 0;
return rc;
}
static int qeth_ulp_setup(struct qeth_card *card)