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

[Ioana Ciocoi Radulescu]

Add counters for xdp processed frames to the channel statistics.

Signed-off-by: Ioana Radulescu <ruxandra.radule...@nxp.com>
---
 drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c     | 7 ++++++-
 drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h     | 4 ++++
 drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c | 3 +++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c 
b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
index 995a17d..4305e76 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -307,8 +307,12 @@ static u32 run_xdp(struct dpaa2_eth_priv *priv,
                break;
        case XDP_TX:
                err = xdp_enqueue(priv, fd, vaddr, rx_fq->flowid);
-               if (err)
+               if (err) {
                        xdp_release_buf(priv, ch, addr);
+                       ch->stats.xdp_tx_err++;
+               } else {
+                       ch->stats.xdp_tx++;
+               }
                break;
        default:
                bpf_warn_invalid_xdp_action(xdp_act);
@@ -316,6 +320,7 @@ 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 320c0d0..1690fc1 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 3aa7885..dddc437 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