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authorFrank Blaschka <frank.blaschka@de.ibm.com>2009-11-12 00:11:44 +0000
committerDavid S. Miller <davem@davemloft.net>2009-11-16 02:42:08 -0800
commitc3b4a740db3688b245282ac957a01f3fb8d1186d (patch)
treeca05c6e683b5b2371ba265aa6db9536441f94f1a /drivers/s390/net/qeth_core_main.c
parentaa90922479513db0d080239324d0d04701418ba5 (diff)
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_main.c')
-rw-r--r--drivers/s390/net/qeth_core_main.c37
1 files changed, 2 insertions, 35 deletions
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 819a3b5a647d..d34804d5ece1 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -270,41 +270,6 @@ int qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt)
return qeth_alloc_buffer_pool(card);
}
-int qeth_set_large_send(struct qeth_card *card,
- enum qeth_large_send_types type)
-{
- int rc = 0;
-
- if (card->dev == NULL) {
- card->options.large_send = type;
- return 0;
- }
- if (card->state == CARD_STATE_UP)
- netif_tx_disable(card->dev);
- card->options.large_send = type;
- switch (card->options.large_send) {
- case QETH_LARGE_SEND_TSO:
- if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
- card->dev->features |= NETIF_F_TSO | NETIF_F_SG |
- NETIF_F_HW_CSUM;
- } else {
- card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG |
- NETIF_F_HW_CSUM);
- card->options.large_send = QETH_LARGE_SEND_NO;
- rc = -EOPNOTSUPP;
- }
- break;
- default: /* includes QETH_LARGE_SEND_NO */
- card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG |
- NETIF_F_HW_CSUM);
- break;
- }
- if (card->state == CARD_STATE_UP)
- netif_wake_queue(card->dev);
- return rc;
-}
-EXPORT_SYMBOL_GPL(qeth_set_large_send);
-
static int qeth_issue_next_read(struct qeth_card *card)
{
int rc;
@@ -4460,6 +4425,7 @@ static struct {
{"tx do_QDIO time"},
{"tx do_QDIO count"},
{"tx csum"},
+ {"tx lin"},
};
int qeth_core_get_sset_count(struct net_device *dev, int stringset)
@@ -4517,6 +4483,7 @@ void qeth_core_get_ethtool_stats(struct net_device *dev,
data[31] = card->perf_stats.outbound_do_qdio_time;
data[32] = card->perf_stats.outbound_do_qdio_cnt;
data[33] = card->perf_stats.tx_csum;
+ data[34] = card->perf_stats.tx_lin;
}
EXPORT_SYMBOL_GPL(qeth_core_get_ethtool_stats);