diff options
| author | Jimmy Assarsson <extja@kvaser.com> | 2021-12-08 16:21:21 +0100 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2021-12-09 09:01:43 +0100 |
| commit | 36aea60fc892ce73f96d45dc7eb239c7c4c1fa69 (patch) | |
| tree | 3b95d521aabda77a4379f9011f72970be87c5f8b /drivers/net/can | |
| parent | a50e659b2a1be14784e80f8492aab177e67c53a2 (diff) | |
| download | linux-36aea60fc892ce73f96d45dc7eb239c7c4c1fa69.tar.gz | |
can: kvaser_pciefd: kvaser_pciefd_rx_error_frame(): increase correct stats->{rx,tx}_errors counter
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>
Diffstat (limited to 'drivers/net/can')
| -rw-r--r-- | drivers/net/can/kvaser_pciefd.c | 8 |
1 files changed, 7 insertions, 1 deletions
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; |