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net: enetc: use truesize as XDP RxQ info frag_size

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The only user of frag_size field in XDP RxQ info is
bpf_xdp_frags_increase_tail(). It clearly expects truesize instead of DMA
write size. Different assumptions in enetc driver configuration lead to
negative tailroom.

Set frag_size to the same value as frame_sz.

Fixes: 2768b2e2f7 ("net: enetc: register XDP RX queues with frag_size")
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Larysa Zaremba <larysa.zaremba@intel.com>
Link: https://patch.msgid.link/20260305111253.2317394-9-larysa.zaremba@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Larysa Zaremba 2026-03-05 12:12:49 +01:00 • committed by Jakub Kicinski
parent 75d9228982
commit f8e18abf18
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/freescale/enetc/enetc.c
View file

@ -3467,7 +3467,7 @@ static int enetc_int_vector_init(struct enetc_ndev_priv *priv, int i,
priv->rx_ring[i] = bdr;
err = __xdp_rxq_info_reg(&bdr->xdp.rxq, priv->ndev, i, 0,
ENETC_RXB_DMA_SIZE_XDP);
ENETC_RXB_TRUESIZE);
if (err)
goto free_vector;