net: enetc: correct rx_bytes statistics of XDP

The rx_bytes statistics of XDP are always zero, because rx_byte_cnt
is not updated after it is initialized to 0. So fix it.

Fixes: d1b15102dd ("net: enetc: add support for XDP_DROP and XDP_PASS")
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wei Fang 2023-06-02 17:46:59 +08:00 committed by David S. Miller
parent 7190d0ff0e
commit fdebd850cc

View File

@ -1571,6 +1571,14 @@ static int enetc_clean_rx_ring_xdp(struct enetc_bdr *rx_ring,
enetc_build_xdp_buff(rx_ring, bd_status, &rxbd, &i,
&cleaned_cnt, &xdp_buff);
/* When set, the outer VLAN header is extracted and reported
* in the receive buffer descriptor. So rx_byte_cnt should
* add the length of the extracted VLAN header.
*/
if (bd_status & ENETC_RXBD_FLAG_VLAN)
rx_byte_cnt += VLAN_HLEN;
rx_byte_cnt += xdp_get_buff_len(&xdp_buff);
xdp_act = bpf_prog_run_xdp(prog, &xdp_buff);
switch (xdp_act) {