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29 lines
718 B
Diff
29 lines
718 B
Diff
8 years ago
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--- a/backport-include/linux/skbuff.h
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+++ b/backport-include/linux/skbuff.h
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@@ -1,6 +1,8 @@
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#ifndef __BACKPORT_SKBUFF_H
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#define __BACKPORT_SKBUFF_H
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#include_next <linux/skbuff.h>
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+#include <net/flow_keys.h>
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+#include <linux/jhash.h>
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#include <linux/version.h>
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#include <generated/utsrelease.h>
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@@ -305,6 +307,16 @@ static inline void skb_free_frag(void *d
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{
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put_page(virt_to_head_page(data));
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}
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+
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+static inline u32 skb_get_hash_perturb(struct sk_buff *skb, u32 key)
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+{
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+ struct flow_keys keys;
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+
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+ skb_flow_dissect(skb, &keys);
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+ return jhash_3words((__force u32)keys.dst,
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+ (__force u32)keys.src ^ keys.ip_proto,
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+ (__force u32)keys.ports, key);
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+}
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#endif
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#endif /* __BACKPORT_SKBUFF_H */
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