netdev - [PATCH bpf] bpf: make bpf_skb_ecn_set_ce callable from BPF_PROG_TYPE_SCHED

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Message-Id: <20190315002858.228416-1-posk@google.com>
Date:   Thu, 14 Mar 2019 17:28:58 -0700
From:   Peter Oskolkov <posk@...gle.com>
To:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>, netdev@...r.kernel.org,
        bpf@...r.kernel.org
Cc:     Lawrence Brakmo <brakmo@...com>, Peter Oskolkov <posk@...k.io>,
        Peter Oskolkov <posk@...gle.com>
Subject: [PATCH bpf] bpf: make bpf_skb_ecn_set_ce callable from BPF_PROG_TYPE_SCHED_ACT

This helper is useful if a bpf tc filter sets skb->tstamp.

Signed-off-by: Peter Oskolkov <posk@...gle.com>
---
 net/core/filter.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/core/filter.c b/net/core/filter.c
index 647c63a7b25b..c6d016d9c4b8 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -5719,6 +5719,8 @@ tc_cls_act_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
 		return &bpf_tcp_sock_proto;
 	case BPF_FUNC_get_listener_sock:
 		return &bpf_get_listener_sock_proto;
+	case BPF_FUNC_skb_ecn_set_ce:
+		return &bpf_skb_ecn_set_ce_proto;
 #endif
 	default:
 		return bpf_base_func_proto(func_id);
-- 
2.21.0.360.g471c308f928-goog