From: Vladimir Oltean <vladimir.oltean@nxp.com>
To: Wei Fang <wei.fang@nxp.com>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
Zefir Kurtisi <zefir.kurtisi@westermo.com>,
Claudiu Manoil <claudiu.manoil@nxp.com>,
Clark Wang <xiaoning.wang@nxp.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Jesper Dangaard Brouer <hawk@kernel.org>,
John Fastabend <john.fastabend@gmail.com>,
Stanislav Fomichev <sdf@fomichev.me>,
Simon Horman <horms@kernel.org>,
Richard Cochran <richardcochran@gmail.com>,
"Y.B. Lu" <yangbo.lu@nxp.com>,
Ioana Ciornei <ioana.ciornei@nxp.com>,
"imx@lists.linux.dev" <imx@lists.linux.dev>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"bpf@vger.kernel.org" <bpf@vger.kernel.org>
Subject: Re: [PATCH v3 net 1/7] net: enetc: consistenly track dropped frames in enetc_xdp_xmit()
Date: Fri, 18 Sep 2026 13:27:53 +0300 [thread overview]
Message-ID: <20260918102753.kjxfgmediwq5erba@skbuf> (raw)
In-Reply-To: <GV2PR04MB11739B011069410AB4B517A6188B92@GV2PR04MB11739.eurprd04.prod.outlook.com>
On Wed, Sep 16, 2026 at 05:16:28AM +0300, Wei Fang wrote:
> > diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c
> > b/drivers/net/ethernet/freescale/enetc/enetc.c
> > index 80f0082f6c63..e7ecdf8ef67c 100644
> > --- a/drivers/net/ethernet/freescale/enetc/enetc.c
> > +++ b/drivers/net/ethernet/freescale/enetc/enetc.c
> > @@ -1843,7 +1843,6 @@ int enetc_xdp_xmit(struct net_device *ndev, int
> > num_frames,
> > for (i = 0; i < xdp_tx_bd_cnt; i++)
> > enetc_unmap_tx_buff(tx_ring,
> > &xdp_redirect_arr[i]);
> > - tx_ring->stats.xdp_tx_drops++;
> > break;
> > }
> >
> > @@ -1854,6 +1853,7 @@ int enetc_xdp_xmit(struct net_device *ndev, int
> > num_frames,
> > enetc_update_tx_ring_tail(tx_ring);
> >
> > tx_ring->stats.xdp_tx += xdp_tx_frm_cnt;
> > + tx_ring->stats.xdp_tx_drops += num_frames - xdp_tx_frm_cnt;
> >
> > enetc_unlock_mdio();
> >
> > --
> > 2.43.0
>
> Reviewed-by: Wei Fang <wei.fang@nxp.com>
>
Thanks for the review, but I'm not picking up your tag because I need to
expand the patch to also cover the situation uncovered by Sashiko (the
-ENETDOWN case not incrementing the drop counters).
next prev parent reply other threads:[~2026-09-18 10:28 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-15 22:27 [PATCH v3 net 0/7] Fix short frame transmission in enetc vladimir.oltean
2026-09-15 22:27 ` [PATCH v3 net 1/7] net: enetc: consistenly track dropped frames in enetc_xdp_xmit() vladimir.oltean
2026-09-16 2:16 ` Wei Fang
2026-09-18 10:27 ` Vladimir Oltean [this message]
2026-09-16 23:35 ` netdev-bot+sashiko
2026-09-15 22:27 ` [PATCH v3 net 2/7] net: enetc: ensure enetc_xdp_xmit() calls enetc_update_tx_ring_tail() vladimir.oltean
2026-09-16 2:20 ` Wei Fang
2026-09-16 23:35 ` netdev-bot+sashiko
[not found] ` <20260916222806.6011F1F00893@smtp.kernel.org>
2026-09-18 23:05 ` Vladimir Oltean
2026-09-15 22:27 ` [PATCH v3 net 3/7] net: enetc: fix bogus TX ring consumer index after reinitialization vladimir.oltean
2026-09-15 22:27 ` [PATCH v3 net 4/7] net: enetc: pad short frames in software vladimir.oltean
2026-09-16 23:35 ` netdev-bot+sashiko
2026-09-17 10:11 ` David Laight
2026-09-21 11:29 ` Vladimir Oltean
2026-09-15 22:27 ` [PATCH v3 net 5/7] net: enetc: pad short XDP frames coming from devmap vladimir.oltean
2026-09-16 23:35 ` netdev-bot+sashiko
2026-09-15 22:27 ` [PATCH v3 net 6/7] net: enetc: linearize PTP event packets with one-step TX timestamping vladimir.oltean
2026-09-16 1:59 ` Wei Fang
2026-09-16 9:50 ` Vladimir Oltean
2026-09-16 23:35 ` netdev-bot+sashiko
2026-09-15 22:27 ` [PATCH v3 net 7/7] net: enetc: drain and cancel one-step TX tstamp queue when going down vladimir.oltean
2026-09-16 23:36 ` netdev-bot+sashiko
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