net, sched: add skb_at_tc_ingress helper
Add a skb_at_tc_ingress() as this will be needed elsewhere as well and can hide the ugly ifdef. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -407,6 +407,15 @@ bool tcf_destroy(struct tcf_proto *tp, bool force);
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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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/* 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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@ -79,12 +79,8 @@ static int cls_bpf_classify(struct sk_buff *skb, const struct tcf_proto *tp,
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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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