5.4-stable review patch. If anyone has any objections, please let me know.
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From: Wei Fang wei.fang@nxp.com
[ Upstream commit ad17e7e92a7c52ce70bb764813fcf99464f96903 ]
Two additional bytes in front of each frame received into the RX FIFO if SHIFT16 is set, so we need to subtract the extra two bytes from pkt_len to correct the statistic of rx_bytes.
Fixes: 3ac72b7b63d5 ("net: fec: align IP header in hardware") Signed-off-by: Wei Fang wei.fang@nxp.com Reviewed-by: Frank Li Frank.Li@nxp.com Link: https://patch.msgid.link/20251106021421.2096585-1-wei.fang@nxp.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/freescale/fec_main.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 7b2ab0cc562cc..cd2fd2926f2f5 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -1530,6 +1530,8 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id) ndev->stats.rx_packets++; pkt_len = fec16_to_cpu(bdp->cbd_datlen); ndev->stats.rx_bytes += pkt_len; + if (fep->quirks & FEC_QUIRK_HAS_RACC) + ndev->stats.rx_bytes -= 2;
index = fec_enet_get_bd_index(bdp, &rxq->bd); skb = rxq->rx_skbuff[index];