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| author |   Julian Wiedmann <jwi@linux.ibm.com> | 2019-12-18 16:32:26 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-12-20 21:00:27 -0800 |
| commit | 2e3d7fa5d29b7ab649fdf8f9533ae0c0888a7fac (patch) | |
| tree | 4ad66ce7f42065fb207e878d13bd2cd158fc263c /drivers/s390/net/qeth_core_main.c | |
| parent | cxgb4: fix refcount init for TC-MQPRIO offload (diff) | |
| download | linux-dev-2e3d7fa5d29b7ab649fdf8f9533ae0c0888a7fac.tar.xz linux-dev-2e3d7fa5d29b7ab649fdf8f9533ae0c0888a7fac.zip | |
s390/qeth: handle error due to unsupported transport mode
Along with z/VM NICs, there's additional device types that only support
a specific transport mode (eg. external-bridged IQD).
Identify the corresponding error code, and raise a fitting error message
so that the user knows to adjust their device configuration.
On top of that also fix the subsequent error path, so that the rejected
cmd doesn't need to wait for a timeout but gets cancelled straight away.
Fixes: 4a71df50047f ("qeth: new qeth device driver")
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/s390/net/qeth_core_main.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index b9a2349e4b90..bb406eacef82 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -655,17 +655,17 @@ static int qeth_check_idx_response(struct qeth_card *card, unsigned char *buffer) { QETH_DBF_HEX(CTRL, 2, buffer, QETH_DBF_CTRL_LEN); - if ((buffer[2] & 0xc0) == 0xc0) { + if ((buffer[2] & QETH_IDX_TERMINATE_MASK) == QETH_IDX_TERMINATE) { QETH_DBF_MESSAGE(2, "received an IDX TERMINATE with cause code %#04x\n", buffer[4]); QETH_CARD_TEXT(card, 2, "ckidxres"); QETH_CARD_TEXT(card, 2, " idxterm"); - QETH_CARD_TEXT_(card, 2, " rc%d", -EIO); - if (buffer[4] == 0xf6) { + QETH_CARD_TEXT_(card, 2, "rc%x", buffer[4]); + if (buffer[4] == QETH_IDX_TERM_BAD_TRANSPORT || + buffer[4] == QETH_IDX_TERM_BAD_TRANSPORT_VM) { dev_err(&card->gdev->dev, - "The qeth device is not configured " - "for the OSI layer required by z/VM\n"); - return -EPERM; + "The device does not support the configured transport mode\n"); + return -EPROTONOSUPPORT; } return -EIO; } @@ -742,10 +742,10 @@ static void qeth_issue_next_read_cb(struct qeth_card *card, case 0: break; case -EIO: - qeth_clear_ipacmd_list(card); qeth_schedule_recovery(card); /* fall through */ default: + qeth_clear_ipacmd_list(card); goto out; } |