ntb driver core · Supported

Maintainers

• M Jon Mason <jdmason@kudzu.us>
• M Dave Jiang <dave.jiang@intel.com>
• M Allen Hubbe <allenbh@gmail.com>

Paths

• F drivers/net/ntb_netdev.c
• F drivers/ntb/
• F drivers/pci/endpoint/functions/pci-epf-*ntb.c
• F include/linux/ntb.h
• F include/linux/ntb_transport.h
• F tools/testing/selftests/ntb/

Last 30 days

Active reviewers (last 30 days)

• Sashiko <sashiko-bot@kernel.org>
  5 attestations (5 Reported-by) · last on 2026-09-14
• Dave Jiang <dave.jiang@intel.com>
  5 attestations (5 Reviewed-by) · last on 2026-09-14
• Jakub Kicinski <kuba@kernel.org>
  1 attestation (1 Suggested-by) · last on 2026-09-14

Recent patches

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

• COOLING12d [PATCH net-next v4 10/10] net: ntb_netdev: Preserve CHECKSUM_PARTIAL across NTB
  2026-09-14 · Koichiro Den <hidden>
• COOLING12d [PATCH net-next v4 09/10] net: ntb_netdev: Introduce an optional packet header, ntb_netdev_hdr
  2026-09-14 · Koichiro Den <hidden>
• COOLING12d [PATCH net-next v4 06/10] NTB: ntb_transport: Add per-payload client metadata
  2026-09-14 · Koichiro Den <hidden>
• COOLING12d [PATCH net-next v4 08/10] net: ntb_netdev: Factor out RX statistics update
  2026-09-14 · Koichiro Den <hidden>
• COOLING12d [PATCH net-next v4 05/10] NTB: ntb_transport: Exchange client capabilities at link-up
  2026-09-14 · Koichiro Den <hidden>
• COOLING12d [PATCH net-next v4 04/10] NTB: ntb_transport: Keep local QP link requests separate
  2026-09-14 · Koichiro Den <hidden>
• COOLING12d [PATCH net-next v4 07/10] net: ntb_netdev: Reject short RX frames
  2026-09-14 · Koichiro Den <hidden>
• COOLING12d [PATCH net-next v4 03/10] NTB: ntb_transport: Order RX entry completion
  2026-09-14 · Koichiro Den <hidden>
• COOLING12d REVIEWED: 10 (10M) [PATCH net-next v4 02/10] NTB: ntb_transport: Use little-endian shared fields
  2026-09-14 · Koichiro Den <hidden>
• COOLING12d REVIEWED: 10 (10M) [PATCH net-next v4 01/10] NTB: ntb_transport: Order RX descriptor reads after completion
  2026-09-14 · Koichiro Den <hidden>
• COLD21d [PATCH net-next v3 4/4] net: ntb_netdev: Preserve CHECKSUM_PARTIAL across NTB
  2026-09-04 · Koichiro Den <hidden>
• COLD21d REVIEWED: 10 (10M) [PATCH net-next v3 3/4] NTB: ntb_transport: Add per-payload client metadata
  2026-09-04 · Koichiro Den <hidden>
• COLD21d REVIEWED: 10 (10M) [PATCH net-next v3 2/4] NTB: ntb_transport: Use little-endian shared fields
  2026-09-04 · Koichiro Den <hidden>
• COLD21d REVIEWED: 10 (10M) [PATCH net-next v3 1/4] NTB: ntb_transport: Order RX descriptor reads after completion
  2026-09-04 · Koichiro Den <hidden>
• COLD31d [PATCH net v3] net: ntb_netdev: Fix statistics races
  2026-08-30 · Koichiro Den <hidden>
• COLD33d [PATCH net v2] net: ntb_netdev: Fix statistics races
  2026-08-28 · Koichiro Den <hidden>
• COLD35d [PATCH net] net: ntb_netdev: Fix statistics races
  2026-08-24 · Koichiro Den <hidden>
• COLD40d [PATCH net 2/2] net: ntb_netdev: Count packets dropped on RX refill failure
  2026-08-19 · Koichiro Den <hidden>
• COLD40d [PATCH net 1/2] net: ntb_netdev: Avoid double-accounting netif_rx() drops
  2026-08-19 · Koichiro Den <hidden>
• COLD43d [PATCH net-next v2 4/4] net: ntb_netdev: Preserve CHECKSUM_PARTIAL across NTB
  2026-08-17 · Koichiro Den <hidden>
• COLD43d [PATCH net-next v2 3/4] NTB: ntb_transport: Add per-payload client metadata
  2026-08-17 · Koichiro Den <hidden>
• COLD43d [PATCH net-next v2 2/4] NTB: ntb_transport: Use little-endian shared fields
  2026-08-17 · Koichiro Den <hidden>
• COLD43d [PATCH net-next v2 1/4] NTB: ntb_transport: Order RX descriptor reads after completion
  2026-08-17 · Koichiro Den <hidden>
• COLD42d [PATCH net 4/4] NTB: ntb_transport: Reject oversized TX buffers
  2026-08-17 · Koichiro Den <hidden>
• COLD42d [PATCH net 3/4] NTB: ntb_transport: Fail TX enqueue when the QP link is down
  2026-08-17 · Koichiro Den <hidden>
• COLD42d [PATCH net 2/4] net: ntb_netdev: Fix TX busy and drop handling
  2026-08-17 · Koichiro Den <hidden>
• COLD42d [PATCH net 1/4] NTB: ntb_transport: Recycle TX entries before client callbacks
  2026-08-17 · Koichiro Den <hidden>
• COLD44d [PATCH net-next 2/2] net: ntb_netdev: Preserve CHECKSUM_PARTIAL across NTB
  2026-08-14 · Koichiro Den <hidden>
• COLD44d [PATCH net-next 1/2] NTB: ntb_transport: Add per-payload client metadata
  2026-08-14 · Koichiro Den <hidden>
• COLD34d [PATCH 16/16] NTB: ntb_transport: Add optional polling for direct-DMA RX
  2026-08-10 · Koichiro Den <hidden>

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.

• COLD34d [PATCH 02/16] NTB: ntb_transport: Reject oversized TX buffers
  2026-08-10 · Koichiro Den <hidden>
• COLD34d [PATCH 03/16] NTB: ntb_transport: Start TX offload thread after queue setup
  2026-08-10 · Koichiro Den <hidden>
• COLD34d [PATCH 04/16] NTB: ntb_transport: Stop QP work before freeing a queue
  2026-08-10 · Koichiro Den <hidden>
• COLD34d [PATCH 05/16] NTB: ntb_transport: Run RX processing on system workqueue
  2026-08-10 · Koichiro Den <hidden>
• COLD34d [PATCH 06/16] NTB: ntb_transport: Define direct-DMA shared state
  2026-08-10 · Koichiro Den <hidden>
• COLD34d [PATCH 07/16] NTB: ntb_transport: Negotiate direct-DMA queue layout
  2026-08-10 · Koichiro Den <hidden>
• COLD34d [PATCH 09/16] NTB: ntb_transport: Allocate direct-DMA queue state
  2026-08-10 · Koichiro Den <hidden>
• COLD34d [PATCH 11/16] NTB: ntb_transport: Implement direct-DMA RX buffer publication
  2026-08-10 · Koichiro Den <hidden>
• COLD34d [PATCH 12/16] NTB: ntb_transport: Implement direct-DMA TX submission
  2026-08-10 · Koichiro Den <hidden>
• COLD34d [PATCH 13/16] NTB: ntb_transport: Implement safe direct-DMA teardown
  2026-08-10 · Koichiro Den <hidden>