On 4/14/26 7:50 AM, Kuniyuki Iwashima wrote: > On Fri, Apr 10, 2026 at 6:32 PM Jiayuan Chen <[email protected]> wrote: >> >> Add read_tcpext_snmp() helper to network_helpers which reads a >> TcpExt SNMP counter via nstat, and use it in the tcp_custom_syncookie >> test to verify that LINUX_MIB_SYNCOOKIESRECV is incremented and >> LINUX_MIB_SYNCOOKIESFAILED stays unchanged across a successful >> BPF custom syncookie validation. >> >> The delta is captured between start_server() and accept(), which >> covers the full SYN/ACK/cookie-check path for one connection. >> >> Signed-off-by: Jiayuan Chen <[email protected]> >> --- >> tools/testing/selftests/bpf/network_helpers.c | 22 +++++++++++++++++++ >> tools/testing/selftests/bpf/network_helpers.h | 1 + >> .../bpf/prog_tests/tcp_custom_syncookie.c | 20 +++++++++++++++++ > > As you touch bpf selftest helper files, please rebase on bpf-next > to avoid possible conflicts and tag bpf-next in the Subject.
To hopefully minimize the conflicts handling I'm going to apply patch 1/2 to net-next. Please resubmit patch 2/2 to bpf-next after the relevant net core reach there. /P

