linux-kernel - [PATCH net-next] net: fec: add statistics for XDP

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Date:   Thu, 24 Aug 2023 14:11:50 +0800
From:   Wei Fang <wei.fang@....com>
To:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, shenwei.wang@....com, xiaoning.wang@....com,
        netdev@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, linux-imx@....com
Subject: [PATCH net-next] net: fec: add statistics for XDP_TX

The FEC driver supports the statistics for XDP actions except for
XDP_TX before, because the XDP_TX was not supported when adding
the statistics for XDP. Now the FEC driver has supported XDP_TX
since commit f601899e4321 ("net: fec: add XDP_TX feature support").
So it's reasonable and necessary to add statistics for XDP_TX.

Signed-off-by: Wei Fang <wei.fang@....com>
---
 drivers/net/ethernet/freescale/fec_main.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 8909899e9a31..77c8e9cfb445 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -1590,9 +1590,12 @@ fec_enet_run_xdp(struct fec_enet_private *fep, struct bpf_prog *prog,
 		break;
 
 	case XDP_TX:
+		rxq->stats[RX_XDP_TX]++;
 		err = fec_enet_xdp_tx_xmit(fep, cpu, xdp, sync);
-		if (unlikely(err))
+		if (unlikely(err)) {
+			rxq->stats[RX_XDP_TX_ERRORS]++;
 			goto xdp_err;
+		}
 
 		ret = FEC_ENET_XDP_TX;
 		break;
-- 
2.25.1