I noticed that if the verdict callback returns SK_PASS, using splice(2)
to read from the socket doesn't work since it never sees the data queued
on to it. As far as I can see, this is not a regression but just
something that has never worked.
This series attempts to fix it and add a test for it.
---
Vincent Whitchurch (5):
net: Add splice_read to prot
tcp_bpf: Fix reading with splice(2)
selftests/bpf: sockmap: Exit with error on failure
selftests/bpf: sockmap: Allow SK_PASS in verdict
selftests/bpf: sockmap: Add basic splice(2) mode
include/net/inet_common.h | 3 ++
include/net/sock.h | 3 ++
net/ipv4/af_inet.c | 18 ++++++-
net/ipv4/tcp_bpf.c | 9 ++++
net/ipv4/tcp_ipv4.c | 1 +
net/ipv6/af_inet6.c | 2 +-
net/ipv6/tcp_ipv6.c | 1 +
tools/testing/selftests/bpf/test_sockmap.c | 78 +++++++++++++++++++++++++++++-
8 files changed, 111 insertions(+), 4 deletions(-)
---
base-commit: 072088704433f75dacf9e33179dd7a81f0a238d4
change-id: 20240606-sockmap-splice-d371ac07d7b4
Best regards,
--
Vincent Whitchurch <vincent.whitchurch@xxxxxxxxxxxxx>
