can: kvaser_pciefd: kvaser_pciefd_rx_error_frame(): increase correct stats->{rx,tx}_errors counter

stable inclusion
from stable-v5.10.85
commit 819251da717832593827502ebaad757b166d881a
bugzilla: 186032 https://gitee.com/openeuler/kernel/issues/I4QVI4

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=819251da717832593827502ebaad757b166d881a

--------------------------------

commit 36aea60f upstream.

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

Fixes: 26ad340e ("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: NJimmy Assarsson <extja@kvaser.com>
Signed-off-by: NMarc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

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 {
@@ -1285,6 +1288,9 @@ static int kvaser_pciefd_rx_error_frame(struct kvaser_pciefd_can *can,
 
 	can->err_rep_cnt++;
 	can->can.can_stats.bus_error++;
+	if (p->header[1] & KVASER_PCIEFD_EPACK_DIR_TX)
+		stats->tx_errors++;
+	else
 		stats->rx_errors++;
 
 	can->bec.txerr = bec.txerr;