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authorFrank Blaschka <frank.blaschka@de.ibm.com>2009-03-24 20:57:15 +0000
committerDavid S. Miller <davem@davemloft.net>2009-03-25 00:06:19 -0700
commitf61a0d0538ca62547a127fd270d9f3c6e713027f (patch)
tree7432b86645c7a53071bf023670bc8f99f3ce2b64 /drivers/s390/net
parent7f6d95e7bd82b38e669a43a2d2d410d0b5318684 (diff)
qeth: add statistics for tx csum
Add statistics counter for software tx checksumming. 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')
-rw-r--r--drivers/s390/net/qeth_core.h1
-rw-r--r--drivers/s390/net/qeth_core_main.c2
-rw-r--r--drivers/s390/net/qeth_l2_main.c5
-rw-r--r--drivers/s390/net/qeth_l3_main.c5
4 files changed, 11 insertions, 2 deletions
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index e0c45574b0c..fd34f63dc23 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -134,6 +134,7 @@ struct qeth_perf_stats {
unsigned int sg_skbs_rx;
unsigned int sg_frags_rx;
unsigned int sg_alloc_page_rx;
+ unsigned int tx_csum;
};
/* Routing stuff */
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index d1b5bebea7f..1a361b3bf62 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -4327,6 +4327,7 @@ static struct {
/* 30 */{"tx count"},
{"tx do_QDIO time"},
{"tx do_QDIO count"},
+ {"tx csum"},
};
int qeth_core_get_stats_count(struct net_device *dev)
@@ -4378,6 +4379,7 @@ void qeth_core_get_ethtool_stats(struct net_device *dev,
data[30] = card->perf_stats.outbound_cnt;
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;
}
EXPORT_SYMBOL_GPL(qeth_core_get_ethtool_stats);
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 07ab8a5c1c4..7632d120884 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -707,8 +707,11 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
}
if ((large_send == QETH_LARGE_SEND_NO) &&
- (skb->ip_summed == CHECKSUM_PARTIAL))
+ (skb->ip_summed == CHECKSUM_PARTIAL)) {
qeth_tx_csum(new_skb);
+ if (card->options.performance_stats)
+ card->perf_stats.tx_csum++;
+ }
if (card->info.type != QETH_CARD_TYPE_IQD)
rc = qeth_do_send_packet(card, queue, new_skb, hdr,
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 0dcc036d34a..fea50bdc8f4 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -2711,8 +2711,11 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
}
if ((large_send == QETH_LARGE_SEND_NO) &&
- (new_skb->ip_summed == CHECKSUM_PARTIAL))
+ (new_skb->ip_summed == CHECKSUM_PARTIAL)) {
qeth_tx_csum(new_skb);
+ if (card->options.performance_stats)
+ card->perf_stats.tx_csum++;
+ }
if (card->info.type != QETH_CARD_TYPE_IQD)
rc = qeth_do_send_packet(card, queue, new_skb, hdr,