netdev - [PATCH v2 net-next 8/8] dpaa2-eth: Add xdp counters

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Date:   Mon, 26 Nov 2018 16:27:34 +0000
From:   Ioana Ciocoi Radulescu <ruxandra.radulescu@....com>
To:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "davem@...emloft.net" <davem@...emloft.net>
CC:     Ioana Ciornei <ioana.ciornei@....com>,
        "dsahern@...il.com" <dsahern@...il.com>,
        Camelia Alexandra Groza <camelia.groza@....com>
Subject: [PATCH v2 net-next 8/8] dpaa2-eth: Add xdp counters

Add counters for xdp processed frames to the channel statistics.

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@....com>
---
v2: no changes

 drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c     | 3 +++
 drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h     | 4 ++++
 drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c | 3 +++
 3 files changed, 10 insertions(+)

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
index d2bc5da..be84171 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -313,9 +313,11 @@ static u32 run_xdp(struct dpaa2_eth_priv *priv,
 		if (err) {
 			xdp_release_buf(priv, ch, addr);
 			percpu_stats->tx_errors++;
+			ch->stats.xdp_tx_err++;
 		} else {
 			percpu_stats->tx_packets++;
 			percpu_stats->tx_bytes += dpaa2_fd_get_len(fd);
+			ch->stats.xdp_tx++;
 		}
 		break;
 	default:
@@ -324,6 +326,7 @@ static u32 run_xdp(struct dpaa2_eth_priv *priv,
 		trace_xdp_exception(priv->net_dev, xdp_prog, xdp_act);
 	case XDP_DROP:
 		xdp_release_buf(priv, ch, addr);
+		ch->stats.xdp_drop++;
 		break;
 	}
 
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
index 41a2a0d..69c965d 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
@@ -249,6 +249,10 @@ struct dpaa2_eth_ch_stats {
 	__u64 pull_err;
 	/* Number of CDANs; useful to estimate avg NAPI len */
 	__u64 cdan;
+	/* XDP counters */
+	__u64 xdp_drop;
+	__u64 xdp_tx;
+	__u64 xdp_tx_err;
 };
 
 /* Maximum number of queues associated with a DPNI */
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
index 79eeebe..0c831bf 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
@@ -45,6 +45,9 @@ static char dpaa2_ethtool_extras[][ETH_GSTRING_LEN] = {
 	"[drv] dequeue portal busy",
 	"[drv] channel pull errors",
 	"[drv] cdan",
+	"[drv] xdp drop",
+	"[drv] xdp tx",
+	"[drv] xdp tx errors",
 };
 
 #define DPAA2_ETH_NUM_EXTRA_STATS	ARRAY_SIZE(dpaa2_ethtool_extras)
-- 
2.7.4