mbox series

[bpf-next,0/3] fix ktls with sk_skb_verdict programs

Message ID 159079336010.5745.8538518572099799848.stgit@john-Precision-5820-Tower
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Series fix ktls with sk_skb_verdict programs | expand

Message

John Fastabend May 29, 2020, 11:06 p.m. UTC 
If a socket is running a BPF_SK_SKB_SREAM_VERDICT program and KTLS is
enabled the data stream may be broken if both TLS stream parser and
BPF stream parser try to handle data. Fix this here by making KTLS
stream parser run first to ensure TLS messages are received correctly
and then calling the verdict program. This analogous to how we handle
a similar conflict on the TX side.

Note, this is a fix but it doesn't make sense to push this late to
bpf tree so targeting bpf-next and keeping fixes tags.

---

John Fastabend (3):
      bpf: refactor sockmap redirect code so its easy to reuse
      bpf: fix running sk_skb program types with ktls
      bpf, selftests: add test for ktls with skb bpf ingress policy


 include/linux/skmsg.h                              |    8 +
 include/net/tls.h                                  |    9 +
 net/core/skmsg.c                                   |   98 +++++++++---
 net/tls/tls_sw.c                                   |   20 ++
 .../selftests/bpf/progs/test_sockmap_kern.h        |   46 ++++++
 tools/testing/selftests/bpf/test_sockmap.c         |  163 +++++++++++++++++---
 6 files changed, 296 insertions(+), 48 deletions(-)

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