diff options
| author |   Frank Blaschka <frank.blaschka@de.ibm.com> | 2009-11-12 00:11:45 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2009-11-16 02:42:09 -0800 |
| commit | 3fd434d846a2c87f8f705b6876f81e4053f93749 (patch) | |
| tree | d4d20edd391abc26948c67c022061ef271e4c053 /drivers/s390/net/qeth_l3_sys.c | |
| parent | qeth: rework TSO functions (diff) | |
| download | linux-dev-3fd434d846a2c87f8f705b6876f81e4053f93749.tar.xz linux-dev-3fd434d846a2c87f8f705b6876f81e4053f93749.zip | |
qeth: allow dynamic change of rx checksumming
Technically there is no need to set the card offline to change
RX checksumming. Get rid of this stupid limitation.
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/qeth_l3_sys.c')
| -rw-r--r-- | drivers/s390/net/qeth_l3_sys.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/s390/net/qeth_l3_sys.c b/drivers/s390/net/qeth_l3_sys.c index 88f200c8ea3c..3360b0941aa1 100644 --- a/drivers/s390/net/qeth_l3_sys.c +++ b/drivers/s390/net/qeth_l3_sys.c @@ -293,25 +293,26 @@ static ssize_t qeth_l3_dev_checksum_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev_get_drvdata(dev); + enum qeth_checksum_types csum_type; char *tmp; + int rc; if (!card) return -EINVAL; - if ((card->state != CARD_STATE_DOWN) && - (card->state != CARD_STATE_RECOVER)) - return -EPERM; - tmp = strsep((char **) &buf, "\n"); if (!strcmp(tmp, "sw_checksumming")) - card->options.checksum_type = SW_CHECKSUMMING; + csum_type = SW_CHECKSUMMING; else if (!strcmp(tmp, "hw_checksumming")) - card->options.checksum_type = HW_CHECKSUMMING; + csum_type = HW_CHECKSUMMING; else if (!strcmp(tmp, "no_checksumming")) - card->options.checksum_type = NO_CHECKSUMMING; - else { + csum_type = NO_CHECKSUMMING; + else return -EINVAL; - } + + rc = qeth_l3_set_rx_csum(card, csum_type); + if (rc) + return rc; return count; } |