diff options
author | John Fastabend <john.fastabend@gmail.com> | 2023-05-22 19:56:15 -0700 |
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committer | Daniel Borkmann <daniel@iogearbox.net> | 2023-05-23 16:11:05 +0200 |
commit | 1fa1fe8ff161cc34620e31295235dc1e6d0dce77 (patch) | |
tree | d5699efef9beedd2746270d543da7c3a5e70fb3f /tools/testing/selftests/bpf/progs | |
parent | 298970c8af9d73a9f3df4ac871a4456f87fd4cab (diff) |
bpf, sockmap: Test shutdown() correctly exits epoll and recv()=0
When session gracefully shutdowns epoll needs to wake up and any recv()
readers should return 0 not the -EAGAIN they previously returned.
Note we use epoll instead of select to test the epoll wake on shutdown
event as well.
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com>
Link: https://lore.kernel.org/bpf/20230523025618.113937-12-john.fastabend@gmail.com
Diffstat (limited to 'tools/testing/selftests/bpf/progs')
-rw-r--r-- | tools/testing/selftests/bpf/progs/test_sockmap_pass_prog.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_sockmap_pass_prog.c b/tools/testing/selftests/bpf/progs/test_sockmap_pass_prog.c new file mode 100644 index 000000000000..1d86a717a290 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/test_sockmap_pass_prog.c @@ -0,0 +1,32 @@ +#include <linux/bpf.h> +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_endian.h> + +struct { + __uint(type, BPF_MAP_TYPE_SOCKMAP); + __uint(max_entries, 20); + __type(key, int); + __type(value, int); +} sock_map_rx SEC(".maps"); + +struct { + __uint(type, BPF_MAP_TYPE_SOCKMAP); + __uint(max_entries, 20); + __type(key, int); + __type(value, int); +} sock_map_tx SEC(".maps"); + +struct { + __uint(type, BPF_MAP_TYPE_SOCKMAP); + __uint(max_entries, 20); + __type(key, int); + __type(value, int); +} sock_map_msg SEC(".maps"); + +SEC("sk_skb") +int prog_skb_verdict(struct __sk_buff *skb) +{ + return SK_PASS; +} + +char _license[] SEC("license") = "GPL"; |