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

From: Paolo Abeni
Date: Thu Sep 19 2024 - 05:13:19 EST


On 9/11/24 10:41, Florian Kauer wrote:
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@xxxxxxxxxxxxx>
---
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@xxxxxxxxxxxxx

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@xxxxxxxxxxxxx

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@xxxxxxxxxxxxx

---
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(-)

Alex, Daniel: this will go directly via the bpf tree, right?

Thanks,

Paolo