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-rw-r--r--net/core/filter.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/net/core/filter.c b/net/core/filter.c
index 17d6775f5431..0c9daf6ee555 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -1942,6 +1942,20 @@ static const struct bpf_func_proto bpf_msg_apply_bytes_proto = {
.arg2_type = ARG_ANYTHING,
};
+BPF_CALL_2(bpf_msg_cork_bytes, struct sk_msg_buff *, msg, u32, bytes)
+{
+ msg->cork_bytes = bytes;
+ return 0;
+}
+
+static const struct bpf_func_proto bpf_msg_cork_bytes_proto = {
+ .func = bpf_msg_cork_bytes,
+ .gpl_only = false,
+ .ret_type = RET_INTEGER,
+ .arg1_type = ARG_PTR_TO_CTX,
+ .arg2_type = ARG_ANYTHING,
+};
+
BPF_CALL_1(bpf_get_cgroup_classid, const struct sk_buff *, skb)
{
return task_get_classid(skb);
@@ -3650,6 +3664,8 @@ static const struct bpf_func_proto *sk_msg_func_proto(enum bpf_func_id func_id)
return &bpf_msg_redirect_map_proto;
case BPF_FUNC_msg_apply_bytes:
return &bpf_msg_apply_bytes_proto;
+ case BPF_FUNC_msg_cork_bytes:
+ return &bpf_msg_cork_bytes_proto;
default:
return bpf_base_func_proto(func_id);
}