linux/net/can
Zhang Changzhong f4fd77fd87 can: j1939: fix support for multipacket broadcast message
Currently j1939_tp_im_involved_anydir() in j1939_tp_recv() check the previously
set flags J1939_ECU_LOCAL_DST and J1939_ECU_LOCAL_SRC of incoming skb, thus
multipacket broadcast message was aborted by receive side because it may come
from remote ECUs and have no exact dst address. Similarly, j1939_tp_cmd_recv()
and j1939_xtp_rx_dat() didn't process broadcast message.

So fix it by checking and process broadcast message in j1939_tp_recv(),
j1939_tp_cmd_recv() and j1939_xtp_rx_dat().

Fixes: 9d71dd0c70 ("can: add support of SAE J1939 protocol")
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Link: https://lore.kernel.org/r/1596599425-5534-2-git-send-email-zhangchangzhong@huawei.com
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-08-15 11:12:57 +02:00
..
j1939 can: j1939: fix support for multipacket broadcast message 2020-08-15 11:12:57 +02:00
af_can.c net: can: kerneldoc fixes 2020-07-13 17:20:39 -07:00
af_can.h can: introduce CAN midlayer private and allocate it automatically 2019-09-04 13:29:14 +02:00
bcm.c net: make ->{get,set}sockopt in proto_ops optional 2020-07-19 18:16:41 -07:00
gw.c can: gw: add support for CAN FD frames 2019-08-13 17:32:21 +02:00
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Makefile can: add support of SAE J1939 protocol 2019-09-04 14:22:33 +02:00
proc.c can: introduce CAN midlayer private and allocate it automatically 2019-09-04 13:29:14 +02:00
raw.c net: pass a sockptr_t into ->setsockopt 2020-07-24 15:41:54 -07:00