[PATCH v2 bpf-next 3/5] bpf: Support bpf_(get|set)sockopt() in bpf unix iter.
From: Kuniyuki Iwashima <hidden>
Date: 2022-01-13 00:30:11
Also in:
bpf
Subsystem:
networking [general], networking [unix sockets], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Kuniyuki Iwashima, Linus Torvalds
This patch makes bpf_(get|set)sockopt() available when iterating AF_UNIX sockets. Signed-off-by: Kuniyuki Iwashima <redacted> --- net/unix/af_unix.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index d383d5f63b6b..3e0d6281fd1e 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c@@ -3633,6 +3633,20 @@ static const struct bpf_iter_seq_info unix_seq_info = { .seq_priv_size = sizeof(struct bpf_unix_iter_state), }; +static const struct bpf_func_proto * +bpf_iter_unix_get_func_proto(enum bpf_func_id func_id, + const struct bpf_prog *prog) +{ + switch (func_id) { + case BPF_FUNC_setsockopt: + return &bpf_sk_setsockopt_proto; + case BPF_FUNC_getsockopt: + return &bpf_sk_getsockopt_proto; + default: + return NULL; + } +} + static struct bpf_iter_reg unix_reg_info = { .target = "unix", .ctx_arg_info_size = 1,
@@ -3640,6 +3654,7 @@ static struct bpf_iter_reg unix_reg_info = { { offsetof(struct bpf_iter__unix, unix_sk), PTR_TO_BTF_ID_OR_NULL }, }, + .get_func_proto = bpf_iter_unix_get_func_proto, .seq_info = &unix_seq_info, };
--
2.30.2