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authorSucheta Chakraborty <sucheta.chakraborty@qlogic.com>2010-03-08 00:14:46 +0000
committerDavid S. Miller <davem@davemloft.net>2010-03-08 10:45:29 -0800
commit8bfe8b91b8b877066c8ac788f59a40324eaac6d8 (patch)
treea2347ff6e35f69af10a673e9173630a5e7e7eebd /drivers/net/qlcnic/qlcnic_main.c
parentqlcnic: fix tx csum status (diff)
downloadlinux-dev-8bfe8b91b8b877066c8ac788f59a40324eaac6d8.tar.xz
linux-dev-8bfe8b91b8b877066c8ac788f59a40324eaac6d8.zip
qlcnic: additional driver statistics.
Statistics added for lro/lso bytes, count for tx stop queue and wake queue and skb alloc failure count. Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/qlcnic/qlcnic_main.c')
-rw-r--r--drivers/net/qlcnic/qlcnic_main.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index 665e8e56b6a8..fc721564e69e 100644
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -118,6 +118,7 @@ qlcnic_update_cmd_producer(struct qlcnic_adapter *adapter,
if (qlcnic_tx_avail(tx_ring) <= TX_STOP_THRESH) {
netif_stop_queue(adapter->netdev);
smp_mb();
+ adapter->stats.xmit_off++;
}
}
@@ -1385,6 +1386,7 @@ qlcnic_tso_check(struct net_device *netdev,
int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0;
struct cmd_desc_type0 *hwdesc;
struct vlan_ethhdr *vh;
+ struct qlcnic_adapter *adapter = netdev_priv(netdev);
if (protocol == cpu_to_be16(ETH_P_8021Q)) {
@@ -1494,6 +1496,7 @@ qlcnic_tso_check(struct net_device *netdev,
tx_ring->producer = producer;
barrier();
+ adapter->stats.lso_frames++;
}
static int
@@ -1573,6 +1576,7 @@ qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
if (unlikely(no_of_desc + 2 > qlcnic_tx_avail(tx_ring))) {
netif_stop_queue(netdev);
+ adapter->stats.xmit_off++;
return NETDEV_TX_BUSY;
}
@@ -1880,6 +1884,7 @@ static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter)
if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) {
netif_wake_queue(netdev);
adapter->tx_timeo_cnt = 0;
+ adapter->stats.xmit_on++;
}
__netif_tx_unlock(tx_ring->txq);
}