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staging: fsl-dpaa2/eth: Add counter for skb reallocs

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Add a counter for the number of egress frames that need to be
realloc'ed due to insufficient headroom space.

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ioana Radulescu 2017-12-08 06:47:55 -06:00 committed by Greg Kroah-Hartman
parent 441851b49a
commit 6662b5e4ef
3 changed files with 3 additions and 0 deletions
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1
drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
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@ -578,6 +578,7 @@ static netdev_tx_t dpaa2_eth_tx(struct sk_buff *skb, struct net_device *net_dev)
percpu_stats->tx_dropped++;
goto err_alloc_headroom;
}
percpu_extras->tx_reallocs++;
dev_kfree_skb(skb);
skb = ns;
}

1
drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h
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@ -231,6 +231,7 @@ struct dpaa2_eth_drv_stats {
__u64 tx_conf_bytes;
__u64 tx_sg_frames;
__u64 tx_sg_bytes;
__u64 tx_reallocs;
__u64 rx_sg_frames;
__u64 rx_sg_bytes;
/* Enqueues retried due to portal busy */

1
drivers/staging/fsl-dpaa2/ethernet/dpaa2-ethtool.c
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@ -62,6 +62,7 @@ static char dpaa2_ethtool_extras[][ETH_GSTRING_LEN] = {
"[drv] tx conf bytes",
"[drv] tx sg frames",
"[drv] tx sg bytes",
"[drv] tx realloc frames",
"[drv] rx sg frames",
"[drv] rx sg bytes",
"[drv] enqueue portal busy",