| Message ID | 20241009090327.146461-2-wei.fang@nxp.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | net: enetc: fix some issues of XDP | expand |
On Wed, Oct 09, 2024 at 05:03:25PM +0800, Wei Fang wrote: > The xdp_drops statistic indicates the number of XDP frames dropped in > the Rx direction. However, enetc_xdp_drop() is also used in XDP_TX and > XDP_REDIRECT actions. If frame loss occurs in these two actions, the > frames loss count should not be included in xdp_drops, because there > are already xdp_tx_drops and xdp_redirect_failures to count the frame > loss of these two actions, so it's better to remove xdp_drops statistic > from enetc_xdp_drop() and increase xdp_drops in XDP_DROP action. > > Fixes: 7ed2bc80074e ("net: enetc: add support for XDP_TX") > Cc: stable@vger.kernel.org > Signed-off-by: Wei Fang <wei.fang@nxp.com> > Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> > --- Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c index 032d8eadd003..56e59721ec7d 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.c +++ b/drivers/net/ethernet/freescale/enetc/enetc.c @@ -1521,7 +1521,6 @@ static void enetc_xdp_drop(struct enetc_bdr *rx_ring, int rx_ring_first, &rx_ring->rx_swbd[rx_ring_first]); enetc_bdr_idx_inc(rx_ring, &rx_ring_first); } - rx_ring->stats.xdp_drops++; } static int enetc_clean_rx_ring_xdp(struct enetc_bdr *rx_ring, @@ -1586,6 +1585,7 @@ static int enetc_clean_rx_ring_xdp(struct enetc_bdr *rx_ring, fallthrough; case XDP_DROP: enetc_xdp_drop(rx_ring, orig_i, i); + rx_ring->stats.xdp_drops++; break; case XDP_PASS: rxbd = orig_rxbd;
The xdp_drops statistic indicates the number of XDP frames dropped in the Rx direction. However, enetc_xdp_drop() is also used in XDP_TX and XDP_REDIRECT actions. If frame loss occurs in these two actions, the frames loss count should not be included in xdp_drops, because there are already xdp_tx_drops and xdp_redirect_failures to count the frame loss of these two actions, so it's better to remove xdp_drops statistic from enetc_xdp_drop() and increase xdp_drops in XDP_DROP action. Fixes: 7ed2bc80074e ("net: enetc: add support for XDP_TX") Cc: stable@vger.kernel.org Signed-off-by: Wei Fang <wei.fang@nxp.com> Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> --- v2: no changes v3: no changes --- drivers/net/ethernet/freescale/enetc/enetc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)