mbox series

[net,v4,0/2] bpf: devmap: provide rxq after redirect

Message ID 20240911-devel-koalo-fix-ingress-ifindex-v4-0-5c643ae10258@linutronix.de
Headers show
Series bpf: devmap: provide rxq after redirect | expand

Message

Florian Kauer Sept. 11, 2024, 8:41 a.m. UTC 
rxq contains a pointer to the device from where
the redirect happened. Currently, the BPF program
that was executed after a redirect via BPF_MAP_TYPE_DEVMAP*
does not have it set.

Add bugfix and related selftest.

Signed-off-by: Florian Kauer <florian.kauer@linutronix.de>
---
Changes in v4:
- return -> goto out_close, thanks Toke
- Link to v3: https://lore.kernel.org/r/20240909-devel-koalo-fix-ingress-ifindex-v3-0-66218191ecca@linutronix.de

Changes in v3:
- initialize skel to NULL, thanks Stanislav
- Link to v2: https://lore.kernel.org/r/20240906-devel-koalo-fix-ingress-ifindex-v2-0-4caa12c644b4@linutronix.de

Changes in v2:
- changed fixes tag
- added selftest
- Link to v1: https://lore.kernel.org/r/20240905-devel-koalo-fix-ingress-ifindex-v1-1-d12a0d74c29c@linutronix.de

---
Florian Kauer (2):
      bpf: devmap: provide rxq after redirect
      bpf: selftests: send packet to devmap redirect XDP

 kernel/bpf/devmap.c                                |  11 +-
 .../selftests/bpf/prog_tests/xdp_devmap_attach.c   | 114 +++++++++++++++++++--
 2 files changed, 115 insertions(+), 10 deletions(-)
---
base-commit: 8e69c96df771ab469cec278edb47009351de4da6
change-id: 20240905-devel-koalo-fix-ingress-ifindex-b9293d471db6

Best regards,