This patches targeting RX path of J1939 stack.
Most important changes in this patch set are:
- implement early (E)TP rx filter. With this change we should be
able to abort early if socket is using some advanced filter ant
won't be able to receive transfer.
- ignore bogus or unknown (E)TP control packets.
As, usual, reviews and testing are welcome.
Oleksij Rempel (16):
j1939: transport: rename pending to active
j1939: transport: limit amount of tx retries
j1939: transport: use rxtimer to force session abort
j1939: socket: simplify j1939_sk_queue_activate_next_locked
j1939: transport: handle skb_clone() error in j1939_tp_txtimer()
j1939: transport: remove j1939_fix_cb()
j1939: implement early (E)TP rx filter
j1939: transport: use j1939_tp_im_transmitter() where possible
j1939: don't store msg_flags on the TX path
j1939: transport: use addr instead of skbc in j1939_session_match()
j1939: transport: do not abort session with different PGN
j1939: transport: rework error handling on commands with wrong PGN
j1939: transport: rename RTS current to active
j1939: transport: use j1939_tp_im_receiver() to
!j1939_tp_im_transmitter()
j1939: transport: don't care about (E)TP commands less then 8 byte
j1939: transport: ignore unknown commands.
net/can/j1939/j1939-priv.h | 9 +-
net/can/j1939/socket.c | 96 +++++++----
net/can/j1939/transport.c | 319 +++++++++++++++++++------------------
3 files changed, 236 insertions(+), 188 deletions(-)
--
2.20.1
