diff options
| author | Stanislav Fomichev <sdf@google.com> | 2021-01-28 00:28:50 +0100 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2021-01-29 02:09:05 +0100 |
| commit | 62476cc1bf24b34d9442c7ba76e5eb6bf242f911 (patch) | |
| tree | 2a81706fa27cea2f47c51f296eb07e9809f117fe /net | |
| parent | tools: Factor Clang, LLC and LLVM utils definitions (diff) | |
| download | linux-62476cc1bf24b34d9442c7ba76e5eb6bf242f911.tar.xz linux-62476cc1bf24b34d9442c7ba76e5eb6bf242f911.zip | |
bpf: Enable bpf_{g,s}etsockopt in BPF_CGROUP_UDP{4,6}_SENDMSG
Can be used to query/modify socket state for unconnected UDP sendmsg.
Those hooks run as BPF_CGROUP_RUN_SA_PROG_LOCK and operate on
a locked socket.
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20210127232853.3753823-2-sdf@google.com
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/filter.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index 9ab94e90d660..3d7f78a19565 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -7023,6 +7023,8 @@ sock_addr_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) case BPF_CGROUP_INET6_BIND: case BPF_CGROUP_INET4_CONNECT: case BPF_CGROUP_INET6_CONNECT: + case BPF_CGROUP_UDP4_SENDMSG: + case BPF_CGROUP_UDP6_SENDMSG: return &bpf_sock_addr_setsockopt_proto; default: return NULL; @@ -7033,6 +7035,8 @@ sock_addr_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) case BPF_CGROUP_INET6_BIND: case BPF_CGROUP_INET4_CONNECT: case BPF_CGROUP_INET6_CONNECT: + case BPF_CGROUP_UDP4_SENDMSG: + case BPF_CGROUP_UDP6_SENDMSG: return &bpf_sock_addr_getsockopt_proto; default: return NULL; |