can-j1939 network layer · Maintained

Maintainers

• M Robin van der Gracht <robin@protonic.nl>
• M Oleksij Rempel <o.rempel@pengutronix.de>

Paths

• F Documentation/networking/j1939.rst
• F include/uapi/linux/can/j1939.h
• F net/can/j1939/

Last 30 days

Most active threads (last 7 days)

• [PATCH net] can: j1939: use netdevice_tracker for j1939_priv tracking
  2026-05-19 01:21 · 1 reply in 7d · Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>

Active reviewers (last 30 days)

• Oleksij Rempel <o.rempel@pengutronix.de>
  3 attestations (2 Acked-by, 1 Tested-by) · last on 2026-05-07
• Xiang Mei <hidden>
  1 attestation (1 Reported-by) · last on 2026-05-17

Recent patches

Most-recent 30 patches in this subsystem on linux-can (capped at 30), ordered by date desc.

• [PATCH net v2] can: j1939: use netdevice_tracker for j1939_{priv,session,ecu} tracking
  2026-05-19 · Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
• [PATCH] can: j1939: fix NULL pointer dereference in j1939_session_completed()
  2026-05-17 · Weiming Shi <hidden>
• [PATCH net] can: j1939: use netdevice_tracker for j1939_priv tracking
  2026-05-17 · Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
• [PATCH v2] Fix J1939 implementation not handling holds correctly
  2026-05-16 · Alexander Hölzl <hidden>
• [PATCH net 4/6] can: j1939: fix lockless local-destination check
  2026-05-07 · Marc Kleine-Budde <mkl@pengutronix.de>
• [PATCH net 3/6] can: j1939: fix wrong RX timeout for CTS hold messages
  2026-05-07 · Marc Kleine-Budde <mkl@pengutronix.de>
• [PATCH net-next 1/2] can: j1939: convert to getsockopt_iter
  2026-05-07 · Breno Leitao <leitao@debian.org>
• [PATCH net-next 2/5] can: j1939: convert to getsockopt_iter
  2026-05-05 · Breno Leitao <leitao@debian.org>
• [PATCH] Fix J1939 implementation not handling holds correctly
  2026-05-04 · Alexander Hölzl <hidden>
• [PATCH] can: j1939: fix wrong rx timeout for CTS hold messages
  2026-04-21 · Alexander Hölzl <hidden>
• [PATCH v1 1/3] net: can: j1939: move j1939_xtp_abort enum to header
  2026-04-20 · Oleksij Rempel <o.rempel@pengutronix.de>
• [PATCH v1 3/3] net: can: j1939: Add initial KUnit tests for socket and transport layers
  2026-04-20 · Oleksij Rempel <o.rempel@pengutronix.de>
• [PATCH v1 2/3] net: can: j1939: move J1939_MIN_NAMELEN to shared header
  2026-04-20 · Oleksij Rempel <o.rempel@pengutronix.de>
• [PATCH net] can: j1939: fix lockless local-destination check
  2026-04-19 · Shuhao Fu <hidden>
• [PATCH] can: j1939: Use hrtimer_cancel in j1939_cancel_active_session
  2026-04-13 · Dudu Lu <hidden>
• [PATCH RFC can-next 2/3] af_can: store socket pointers in struct netns_can
  2026-04-02 · Filippo Storniolo <hidden>
• [PATCH RFC can-next 1/3] af_can: ensure sk_protocol is always set on socket creation
  2026-04-02 · Filippo Storniolo <hidden>
• [PATCH net-next v8 3/6] can: move ifindex to CAN skb extensions
  2026-02-01 · Oliver Hartkopp via B4 Relay <devnull+socketcan.hartkopp.net@kernel.org>
• [PATCH net-next v8 5/6] can: remove private CAN skb headroom infrastructure
  2026-02-01 · Oliver Hartkopp via B4 Relay <devnull+socketcan.hartkopp.net@kernel.org>
• [PATCH net-next v8 1/6] can: use skb hash instead of private variable in headroom
  2026-02-01 · Oliver Hartkopp via B4 Relay <devnull+socketcan.hartkopp.net@kernel.org>
• [PATCH net-next v8 2/6] can: add CAN skb extension infrastructure
  2026-02-01 · Oliver Hartkopp via B4 Relay <devnull+socketcan.hartkopp.net@kernel.org>
• [PATCH net-next v7 5/6] can: remove private CAN skb headroom infrastructure
  2026-01-31 · Oliver Hartkopp via B4 Relay <devnull+socketcan.hartkopp.net@kernel.org>
• [PATCH net-next v7 3/6] can: move ifindex to CAN skb extensions
  2026-01-31 · Oliver Hartkopp via B4 Relay <devnull+socketcan.hartkopp.net@kernel.org>
• [PATCH net-next v7 1/6] can: use skb hash instead of private variable in headroom
  2026-01-31 · Oliver Hartkopp via B4 Relay <devnull+socketcan.hartkopp.net@kernel.org>
• [PATCH net-next v7 2/6] can: add CAN skb extension infrastructure
  2026-01-31 · Oliver Hartkopp via B4 Relay <devnull+socketcan.hartkopp.net@kernel.org>
• [PATCH net-next v6 3/6] can: move ifindex to CAN skb extensions
  2026-01-30 · Oliver Hartkopp via B4 Relay <devnull+socketcan.hartkopp.net@kernel.org>
• [PATCH net-next v6 2/6] can: add CAN skb extension infrastructure
  2026-01-30 · Oliver Hartkopp via B4 Relay <devnull+socketcan.hartkopp.net@kernel.org>
• [PATCH net-next v6 5/6] can: remove private CAN skb headroom infrastructure
  2026-01-30 · Oliver Hartkopp via B4 Relay <devnull+socketcan.hartkopp.net@kernel.org>
• [PATCH net-next v6 1/6] can: use skb hash instead of private variable in headroom
  2026-01-30 · Oliver Hartkopp via B4 Relay <devnull+socketcan.hartkopp.net@kernel.org>
• [PATCH net-next v5 3/6] can: move ifindex to CAN skb extensions
  2026-01-29 · Oliver Hartkopp via B4 Relay <devnull+socketcan.hartkopp.net@kernel.org>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• [can-next v2 2/5] can: move can_iif from private headroom to struct sk_buff
  2026-01-17 · Oliver Hartkopp <socketcan@hartkopp.net> · 1 Tested-by
• [can-next v2 4/5] can: remove private skb headroom infrastructure
  2026-01-17 · Oliver Hartkopp <socketcan@hartkopp.net> · 1 Tested-by
• [can-next v2 1/5] can: use skb hash instead of private variable in headroom
  2026-01-17 · Oliver Hartkopp <socketcan@hartkopp.net> · 1 Tested-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• Re: [can/j1939] unregister_netdevice: waiting for vcan0 to become free. Usage count = 2
  2025-11-22 · Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
• [RFC can-next 4/5] can: remove private skb headroom infrastructure
  2026-01-08 · Oliver Hartkopp <socketcan@hartkopp.net>
• [can-next 1/5] can: use skb hash instead of private variable in headroom
  2026-01-12 · Oliver Hartkopp <socketcan@hartkopp.net>
• [can-next 4/5] can: remove private skb headroom infrastructure
  2026-01-12 · Oliver Hartkopp <socketcan@hartkopp.net>
• [can-next 2/5] can: move can_iif from private headroom to struct sk_buff
  2026-01-12 · Oliver Hartkopp <socketcan@hartkopp.net>
• [net-next 3/6] can: move ifindex to CAN skb extensions
  2026-01-25 · Oliver Hartkopp <socketcan@hartkopp.net>
• [net-next 2/6] can: add CAN skb extension infrastructure
  2026-01-25 · Oliver Hartkopp <socketcan@hartkopp.net>
• [net-next 5/6] can: remove private CAN skb headroom infrastructure
  2026-01-25 · Oliver Hartkopp <socketcan@hartkopp.net>
• [PATCH can-next v2 1/6] can: use skb hash instead of private variable in headroom
  2026-01-28 · Marc Kleine-Budde <mkl@pengutronix.de>
• [PATCH can-next v2 3/6] can: move ifindex to CAN skb extensions
  2026-01-28 · Marc Kleine-Budde <mkl@pengutronix.de>