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51 lines
1.6 KiB
Diff
51 lines
1.6 KiB
Diff
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From a436f21ba8e57517734c24d2b571d5aed888be36 Mon Sep 17 00:00:00 2001
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From: Daniel Borkmann <daniel@iogearbox.net>
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Date: Thu, 7 Jan 2016 15:50:22 +0100
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Subject: [PATCH 221/232] net, sched: add skb_at_tc_ingress helper
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Add a skb_at_tc_ingress() as this will be needed elsewhere as well and
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can hide the ugly ifdef.
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Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Acked-by: Alexei Starovoitov <ast@kernel.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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include/net/sch_generic.h | 9 +++++++++
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net/sched/cls_bpf.c | 6 +-----
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2 files changed, 10 insertions(+), 5 deletions(-)
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--- a/include/net/sch_generic.h
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+++ b/include/net/sch_generic.h
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@@ -408,6 +408,15 @@ bool tcf_destroy(struct tcf_proto *tp, b
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void tcf_destroy_chain(struct tcf_proto __rcu **fl);
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int skb_do_redirect(struct sk_buff *);
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+static inline bool skb_at_tc_ingress(const struct sk_buff *skb)
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+{
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+#ifdef CONFIG_NET_CLS_ACT
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+ return G_TC_AT(skb->tc_verd) & AT_INGRESS;
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+#else
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+ return false;
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+#endif
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+}
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+
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/* Reset all TX qdiscs greater then index of a device. */
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static inline void qdisc_reset_all_tx_gt(struct net_device *dev, unsigned int i)
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{
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--- a/net/sched/cls_bpf.c
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+++ b/net/sched/cls_bpf.c
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@@ -79,12 +79,8 @@ static int cls_bpf_classify(struct sk_bu
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struct tcf_result *res)
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{
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struct cls_bpf_head *head = rcu_dereference_bh(tp->root);
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+ bool at_ingress = skb_at_tc_ingress(skb);
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struct cls_bpf_prog *prog;
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-#ifdef CONFIG_NET_CLS_ACT
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- bool at_ingress = G_TC_AT(skb->tc_verd) & AT_INGRESS;
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-#else
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- bool at_ingress = false;
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-#endif
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int ret = -1;
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if (unlikely(!skb_mac_header_was_set(skb)))
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