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

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>

diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
index 04db65c20c6b5768746b2cc5bb049883a3e20c2d..6de6cdd978be7e56431b1663a0cedfdd7fc6608b 100644 (file)
--- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
+++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
@@ -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;
        }

diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h
index 63b09d1bd5cfa4a5362a4343d33889eef7dc9945..6940a98cf9c6d5332409423d5d59a8bfc5792681 100644 (file)
--- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h
+++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h
@@ -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 */

diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-ethtool.c b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-ethtool.c
index ebe8fd6ccf2cc526e1d50b69b70b9cf08311c10f..070a3f2a0523868668f3c6d0e8e24f8158c81a06 100644 (file)
--- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-ethtool.c
+++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-ethtool.c
@@ -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",