diff options
| -rw-r--r-- | tools/include/uapi/linux/bpf.h | 10 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/bpf_helpers.h | 2 |
2 files changed, 11 insertions, 1 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index 2e308e90ffea..3c38ac9a92a7 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -2359,6 +2359,13 @@ union bpf_attr { * Return * A **struct bpf_tcp_sock** pointer on success, or NULL in * case of failure. + * + * int bpf_skb_ecn_set_ce(struct sk_buf *skb) + * Description + * Sets ECN of IP header to ce (congestion encountered) if + * current value is ect (ECN capable). Works with IPv6 and IPv4. + * Return + * 1 if set, 0 if not set. */ #define __BPF_FUNC_MAPPER(FN) \ FN(unspec), \ @@ -2457,7 +2464,8 @@ union bpf_attr { FN(spin_lock), \ FN(spin_unlock), \ FN(sk_fullsock), \ - FN(tcp_sock), + FN(tcp_sock), \ + FN(skb_ecn_set_ce), /* integer value in 'imm' field of BPF_CALL instruction selects which helper * function eBPF program intends to call diff --git a/tools/testing/selftests/bpf/bpf_helpers.h b/tools/testing/selftests/bpf/bpf_helpers.h index 026bea831e03..c9433a496d54 100644 --- a/tools/testing/selftests/bpf/bpf_helpers.h +++ b/tools/testing/selftests/bpf/bpf_helpers.h @@ -180,6 +180,8 @@ static struct bpf_sock *(*bpf_sk_fullsock)(struct bpf_sock *sk) = (void *) BPF_FUNC_sk_fullsock; static struct bpf_tcp_sock *(*bpf_tcp_sock)(struct bpf_sock *sk) = (void *) BPF_FUNC_tcp_sock; +static int (*bpf_skb_ecn_set_ce)(void *ctx) = + (void *) BPF_FUNC_skb_ecn_set_ce; /* llvm builtin functions that eBPF C program may use to * emit BPF_LD_ABS and BPF_LD_IND instructions |