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author | Wei Fang <wei.fang@nxp.com> | 2023-06-02 17:46:59 +0800 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2023-06-04 15:43:45 +0100 |
commit | fdebd850cc065495abf1d64756496050bb22db67 (patch) | |
tree | 437e14df2d4ff31f2343cf028e6f6dc91a84b5bc | |
parent | 7190d0ff0e17690a9b1279d84a06473600ba2060 (diff) | |
download | linux-fdebd850cc065495abf1d64756496050bb22db67.tar.gz linux-fdebd850cc065495abf1d64756496050bb22db67.tar.bz2 linux-fdebd850cc065495abf1d64756496050bb22db67.zip |
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: d1b15102dd16 ("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>
-rw-r--r-- | drivers/net/ethernet/freescale/enetc/enetc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c index d6c0f3f46c2a..9e1b2536e9a9 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.c +++ b/drivers/net/ethernet/freescale/enetc/enetc.c @@ -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) { |