From: Jimmy Assarsson extja@kvaser.com

Check the direction bit in the error frame packet (EPACK) to determine which net_device_stats {rx,tx}_errors counter to increase.

Fixes: 26ad340e582d ("can: kvaser_pciefd: Add driver for Kvaser PCIEcan devices") Link: https://lore.kernel.org/all/20211208152122.250852-1-extja@kvaser.com Cc: stable@vger.kernel.org Signed-off-by: Jimmy Assarsson extja@kvaser.com Signed-off-by: Marc Kleine-Budde mkl@pengutronix.de --- drivers/net/can/kvaser_pciefd.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/net/can/kvaser_pciefd.c b/drivers/net/can/kvaser_pciefd.c index 74d9899fc904..eb74cdf26b88 100644 --- a/drivers/net/can/kvaser_pciefd.c +++ b/drivers/net/can/kvaser_pciefd.c @@ -248,6 +248,9 @@ MODULE_DESCRIPTION("CAN driver for Kvaser CAN/PCIe devices"); #define KVASER_PCIEFD_SPACK_EWLR BIT(23) #define KVASER_PCIEFD_SPACK_EPLR BIT(24)

+/* Kvaser KCAN_EPACK second word */ +#define KVASER_PCIEFD_EPACK_DIR_TX BIT(0) + struct kvaser_pciefd;

struct kvaser_pciefd_can { @@ -1285,7 +1288,10 @@ static int kvaser_pciefd_rx_error_frame(struct kvaser_pciefd_can *can,

can->err_rep_cnt++; can->can.can_stats.bus_error++; - stats->rx_errors++; + if (p->header[1] & KVASER_PCIEFD_EPACK_DIR_TX) + stats->tx_errors++; + else + stats->rx_errors++;

can->bec.txerr = bec.txerr; can->bec.rxerr = bec.rxerr;

base-commit: a50e659b2a1be14784e80f8492aab177e67c53a2