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: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index e3a4665..42c7a2b 100644 (file)
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -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 */

diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index f667044..de0830e 100644 (file)
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -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)