diff options
| author | Frank Blaschka <frank.blaschka@de.ibm.com> | 2009-11-12 03:11:44 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-11-16 13:42:08 +0300 |
| commit | c3b4a740db3688b245282ac957a01f3fb8d1186d (patch) | |
| tree | ca05c6e683b5b2371ba265aa6db9536441f94f1a /drivers/s390/net/qeth_core_sys.c | |
| parent | aa90922479513db0d080239324d0d04701418ba5 (diff) | |
| download | linux-c3b4a740db3688b245282ac957a01f3fb8d1186d.tar.xz | |
qeth: rework TSO functions
The maximum TSO size OSA can handle is 15 * PAGE_SIZE. This
patch reduces gso_max_size to this value and adds some sanity
checks and statistics to the TSO implementation.
Since only layer 3 is able to do TSO move all TSO related functions
to the qeth_l3 module.
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_core_sys.c')
| -rw-r--r-- | drivers/s390/net/qeth_core_sys.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/drivers/s390/net/qeth_core_sys.c b/drivers/s390/net/qeth_core_sys.c index f2358a75ed0c..9ff2b36fdc43 100644 --- a/drivers/s390/net/qeth_core_sys.c +++ b/drivers/s390/net/qeth_core_sys.c @@ -416,53 +416,6 @@ static ssize_t qeth_dev_layer2_store(struct device *dev, static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show, qeth_dev_layer2_store); -static ssize_t qeth_dev_large_send_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev_get_drvdata(dev); - - if (!card) - return -EINVAL; - - switch (card->options.large_send) { - case QETH_LARGE_SEND_NO: - return sprintf(buf, "%s\n", "no"); - case QETH_LARGE_SEND_TSO: - return sprintf(buf, "%s\n", "TSO"); - default: - return sprintf(buf, "%s\n", "N/A"); - } -} - -static ssize_t qeth_dev_large_send_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev_get_drvdata(dev); - enum qeth_large_send_types type; - int rc = 0; - char *tmp; - - if (!card) - return -EINVAL; - tmp = strsep((char **) &buf, "\n"); - if (!strcmp(tmp, "no")) { - type = QETH_LARGE_SEND_NO; - } else if (!strcmp(tmp, "TSO")) { - type = QETH_LARGE_SEND_TSO; - } else { - return -EINVAL; - } - if (card->options.large_send == type) - return count; - rc = qeth_set_large_send(card, type); - if (rc) - return rc; - return count; -} - -static DEVICE_ATTR(large_send, 0644, qeth_dev_large_send_show, - qeth_dev_large_send_store); - #define ATTR_QETH_ISOLATION_NONE ("none") #define ATTR_QETH_ISOLATION_FWD ("forward") #define ATTR_QETH_ISOLATION_DROP ("drop") @@ -658,7 +611,6 @@ static struct attribute *qeth_device_attrs[] = { &dev_attr_recover.attr, &dev_attr_performance_stats.attr, &dev_attr_layer2.attr, - &dev_attr_large_send.attr, &dev_attr_isolation.attr, NULL, }; |