netdev - [PATCH bpf-next 1/2] bpf: make bpf_skb_ecn_set_ce callable from BPF_PROG_TYPE_SCHED

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Date:   Fri, 22 Mar 2019 16:40:18 -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:     Peter Oskolkov <posk@...k.io>, Peter Oskolkov <posk@...gle.com>
Subject: [PATCH bpf-next 1/2] 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 c1d19b074d6c..0a972fbf60df 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -5959,6 +5959,8 @@ tc_cls_act_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
 		return &bpf_skc_lookup_tcp_proto;
 	case BPF_FUNC_tcp_check_syncookie:
 		return &bpf_tcp_check_syncookie_proto;
+	case BPF_FUNC_skb_ecn_set_ce:
+		return &bpf_skb_ecn_set_ce_proto;
 #endif
 	default:
 		return bpf_base_func_proto(func_id);
-- 
2.21.0.392.gf8f6787159e-goog