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| author | Felix Fietkau <nbd@nbd.name> | 2016-07-03 17:56:53 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2016-07-03 17:56:53 +0200 |
| commit | b1748321597097d73b1806f096f9e4049a53b0ad (patch) | |
| tree | abd69a30dde69d19f7cece46c20f9342667a18a7 /package | |
| parent | 70afc0bdd1fb0474b864998f7674316a00954715 (diff) | |
| download | mtk-20170518-b1748321597097d73b1806f096f9e4049a53b0ad.zip mtk-20170518-b1748321597097d73b1806f096f9e4049a53b0ad.tar.gz mtk-20170518-b1748321597097d73b1806f096f9e4049a53b0ad.tar.bz2 | |
mac80211: backport skb_get_hash_perturb() for 4.1 and older
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'package')
| -rw-r--r-- | package/kernel/mac80211/patches/005-backport_skb_get_hash_perturb.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/005-backport_skb_get_hash_perturb.patch b/package/kernel/mac80211/patches/005-backport_skb_get_hash_perturb.patch new file mode 100644 index 0000000..8212910 --- /dev/null +++ b/package/kernel/mac80211/patches/005-backport_skb_get_hash_perturb.patch @@ -0,0 +1,28 @@ +--- a/backport-include/linux/skbuff.h ++++ b/backport-include/linux/skbuff.h +@@ -1,6 +1,8 @@ + #ifndef __BACKPORT_SKBUFF_H + #define __BACKPORT_SKBUFF_H + #include_next <linux/skbuff.h> ++#include <net/flow_keys.h> ++#include <linux/jhash.h> + #include <linux/version.h> + #include <generated/utsrelease.h> + +@@ -305,6 +307,16 @@ static inline void skb_free_frag(void *d + { + put_page(virt_to_head_page(data)); + } ++ ++static inline u32 skb_get_hash_perturb(struct sk_buff *skb, u32 key) ++{ ++ struct flow_keys keys; ++ ++ skb_flow_dissect(skb, &keys); ++ return jhash_3words((__force u32)keys.dst, ++ (__force u32)keys.src ^ keys.ip_proto, ++ (__force u32)keys.ports, key); ++} + #endif + + #endif /* __BACKPORT_SKBUFF_H */ |