Commit 91992e44 authored by Ajit Khaparde's avatar Ajit Khaparde Committed by David S. Miller
Browse files

be2net: Maintain tx and rx counters in driver 



For certain skews of the BE adapter, H/W Tx and Rx
counters could be common for more than one interface.
Add Tx and Rx counters in the adapter structure
(to maintain stats on a per interfae basis).

Signed-off-by: default avatarAjit Khaparde <ajitk@serverengines.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 294aedcf

drivers/net/benet/be.h

+2 −0
Original line number Diff line number Diff line
@@ -164,6 +164,7 @@ struct be_drvr_stats { 
	ulong be_tx_jiffies;

	u64 be_tx_bytes;

	u64 be_tx_bytes_prev;

	u64 be_tx_pkts;

	u32 be_tx_rate;



	u32 cache_barrier[16];
@@ -175,6 +176,7 @@ struct be_drvr_stats { 
	ulong be_rx_jiffies;

	u64 be_rx_bytes;

	u64 be_rx_bytes_prev;

	u64 be_rx_pkts;

	u32 be_rx_rate;

	/* number of non ether type II frames dropped where

	 * frame len > length field of Mac Hdr */

drivers/net/benet/be_main.c

+9 −9
Original line number Diff line number Diff line
@@ -159,13 +159,10 @@ void netdev_stats_update(struct be_adapter *adapter) 
	struct net_device_stats *dev_stats = &adapter->netdev->stats;

	struct be_erx_stats *erx_stats = &hw_stats->erx;



	dev_stats->rx_packets = port_stats->rx_total_frames;

	dev_stats->tx_packets = port_stats->tx_unicastframes +

		port_stats->tx_multicastframes + port_stats->tx_broadcastframes;

	dev_stats->rx_bytes = (u64) port_stats->rx_bytes_msd << 32 |

				(u64) port_stats->rx_bytes_lsd;

	dev_stats->tx_bytes = (u64) port_stats->tx_bytes_msd << 32 |

				(u64) port_stats->tx_bytes_lsd;

	dev_stats->rx_packets = drvr_stats(adapter)->be_rx_pkts;

	dev_stats->tx_packets = drvr_stats(adapter)->be_tx_pkts;

	dev_stats->rx_bytes = drvr_stats(adapter)->be_rx_bytes;

	dev_stats->tx_bytes = drvr_stats(adapter)->be_tx_bytes;



	/* bad pkts received */

	dev_stats->rx_errors = port_stats->rx_crc_errors +
@@ -322,12 +319,13 @@ static void be_tx_rate_update(struct be_adapter *adapter) 
}



static void be_tx_stats_update(struct be_adapter *adapter,

			u32 wrb_cnt, u32 copied, bool stopped)

			u32 wrb_cnt, u32 copied, u32 gso_segs, bool stopped)

{

	struct be_drvr_stats *stats = drvr_stats(adapter);

	stats->be_tx_reqs++;

	stats->be_tx_wrbs += wrb_cnt;

	stats->be_tx_bytes += copied;

	stats->be_tx_pkts += (gso_segs ? gso_segs : 1);

	if (stopped)

		stats->be_tx_stops++;

}
@@ -472,7 +470,8 @@ static netdev_tx_t be_xmit(struct sk_buff *skb, 


		be_txq_notify(adapter, txq->id, wrb_cnt);



		be_tx_stats_update(adapter, wrb_cnt, copied, stopped);

		be_tx_stats_update(adapter, wrb_cnt, copied,

				skb_shinfo(skb)->gso_segs, stopped);

	} else {

		txq->head = start;

		dev_kfree_skb_any(skb);
@@ -619,6 +618,7 @@ static void be_rx_stats_update(struct be_adapter *adapter, 
	stats->be_rx_compl++;

	stats->be_rx_frags += numfrags;

	stats->be_rx_bytes += pktsize;

	stats->be_rx_pkts++;

}



static inline bool do_pkt_csum(struct be_eth_rx_compl *rxcp, bool cso)

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