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Commit 8bfe8b91 authored by Sucheta Chakraborty's avatar Sucheta Chakraborty Committed by David S. Miller
Browse files

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: default avatarSucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: default avatarAmit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8bae5698

drivers/net/qlcnic/qlcnic.h

+5 −0
Original line number Diff line number Diff line
@@ -423,6 +423,11 @@ struct qlcnic_adapter_stats { 
	u64  lro_pkts;

	u64  rxbytes;

	u64  txbytes;

	u64  lrobytes;

	u64  lso_frames;

	u64  xmit_on;

	u64  xmit_off;

	u64  skb_alloc_failure;

};



/*

drivers/net/qlcnic/qlcnic_ethtool.c

+11 −0
Original line number Diff line number Diff line
@@ -59,6 +59,17 @@ static const struct qlcnic_stats qlcnic_gstrings_stats[] = { 
		QLC_SIZEOF(stats.rxbytes), QLC_OFF(stats.rxbytes)},

	{"tx_bytes",

		QLC_SIZEOF(stats.txbytes), QLC_OFF(stats.txbytes)},

	{"lrobytes",

		QLC_SIZEOF(stats.lrobytes), QLC_OFF(stats.lrobytes)},

	{"lso_frames",

		QLC_SIZEOF(stats.lso_frames), QLC_OFF(stats.lso_frames)},

	{"xmit_on",

		QLC_SIZEOF(stats.xmit_on), QLC_OFF(stats.xmit_on)},

	{"xmit_off",

		QLC_SIZEOF(stats.xmit_off), QLC_OFF(stats.xmit_off)},

	{"skb_alloc_failure", QLC_SIZEOF(stats.skb_alloc_failure),

		QLC_OFF(stats.skb_alloc_failure)},



};



#define QLCNIC_STATS_LEN	ARRAY_SIZE(qlcnic_gstrings_stats)

drivers/net/qlcnic/qlcnic_hw.c

+1 −0
Original line number Diff line number Diff line
@@ -349,6 +349,7 @@ qlcnic_send_cmd_descs(struct qlcnic_adapter *adapter, 
	if (nr_desc >= qlcnic_tx_avail(tx_ring)) {

		netif_tx_stop_queue(tx_ring->txq);

		__netif_tx_unlock_bh(tx_ring->txq);

		adapter->stats.xmit_off++;

		return -EBUSY;

	}

drivers/net/qlcnic/qlcnic_init.c

+6 −2
Original line number Diff line number Diff line
@@ -1114,8 +1114,10 @@ qlcnic_alloc_rx_skb(struct qlcnic_adapter *adapter, 
	struct pci_dev *pdev = adapter->pdev;



	buffer->skb = dev_alloc_skb(rds_ring->skb_size);

	if (!buffer->skb)

	if (!buffer->skb) {

		adapter->stats.skb_alloc_failure++;

		return -ENOMEM;

	}



	skb = buffer->skb;
@@ -1289,7 +1291,7 @@ qlcnic_process_lro(struct qlcnic_adapter *adapter, 
	netif_receive_skb(skb);



	adapter->stats.lro_pkts++;

	adapter->stats.rxbytes += length;

	adapter->stats.lrobytes += length;



	return buffer;

}
@@ -1505,6 +1507,8 @@ qlcnic_process_rcv_diag(struct qlcnic_adapter *adapter, 
		adapter->diag_cnt++;



	dev_kfree_skb_any(skb);

	adapter->stats.rx_pkts++;

	adapter->stats.rxbytes += length;



	return buffer;

}

drivers/net/qlcnic/qlcnic_main.c

+5 −0
Original line number Diff line number Diff line
@@ -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);

		}