From: WANG Cong <xiyou.wangcong@gmail.com>
Date: Tue, 1 Aug 2017 13:18:09 -0700
Subject: flow_dissector: remove unused functions
Patch-mainline: v4.14-rc1
Git-commit: b2f9d432deebab5096aad5942c2f2b1ec2865f5a
References: bsc#1109837

They are introduced by commit f70ea018da06
("net: Add functions to get skb->hash based on flow structures")
but never gets used in tree.

Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 include/linux/skbuff.h    |   16 ----------------
 net/core/flow_dissector.c |   45 ---------------------------------------------
 2 files changed, 61 deletions(-)

--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1126,8 +1126,6 @@ static inline __u32 skb_get_hash(struct
 	return skb->hash;
 }
 
-__u32 __skb_get_hash_flowi6(struct sk_buff *skb, const struct flowi6 *fl6);
-
 static inline __u32 skb_get_hash_flowi6(struct sk_buff *skb, const struct flowi6 *fl6)
 {
 	if (!skb->l4_hash && !skb->sw_hash) {
@@ -1136,20 +1134,6 @@ static inline __u32 skb_get_hash_flowi6(
 
 		__skb_set_sw_hash(skb, hash, flow_keys_have_l4(&keys));
 	}
-
-	return skb->hash;
-}
-
-__u32 __skb_get_hash_flowi4(struct sk_buff *skb, const struct flowi4 *fl);
-
-static inline __u32 skb_get_hash_flowi4(struct sk_buff *skb, const struct flowi4 *fl4)
-{
-	if (!skb->l4_hash && !skb->sw_hash) {
-		struct flow_keys keys;
-		__u32 hash = __get_hash_from_flowi4(fl4, &keys);
-
-		__skb_set_sw_hash(skb, hash, flow_keys_have_l4(&keys));
-	}
 
 	return skb->hash;
 }
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -998,51 +998,6 @@ __u32 skb_get_hash_perturb(const struct
 }
 EXPORT_SYMBOL(skb_get_hash_perturb);
 
-__u32 __skb_get_hash_flowi6(struct sk_buff *skb, const struct flowi6 *fl6)
-{
-	struct flow_keys keys;
-
-	memset(&keys, 0, sizeof(keys));
-
-	memcpy(&keys.addrs.v6addrs.src, &fl6->saddr,
-	       sizeof(keys.addrs.v6addrs.src));
-	memcpy(&keys.addrs.v6addrs.dst, &fl6->daddr,
-	       sizeof(keys.addrs.v6addrs.dst));
-	keys.control.addr_type = FLOW_DISSECTOR_KEY_IPV6_ADDRS;
-	keys.ports.src = fl6->fl6_sport;
-	keys.ports.dst = fl6->fl6_dport;
-	keys.keyid.keyid = fl6->fl6_gre_key;
-	keys.tags.flow_label = (__force u32)fl6->flowlabel;
-	keys.basic.ip_proto = fl6->flowi6_proto;
-
-	__skb_set_sw_hash(skb, flow_hash_from_keys(&keys),
-			  flow_keys_have_l4(&keys));
-
-	return skb->hash;
-}
-EXPORT_SYMBOL(__skb_get_hash_flowi6);
-
-__u32 __skb_get_hash_flowi4(struct sk_buff *skb, const struct flowi4 *fl4)
-{
-	struct flow_keys keys;
-
-	memset(&keys, 0, sizeof(keys));
-
-	keys.addrs.v4addrs.src = fl4->saddr;
-	keys.addrs.v4addrs.dst = fl4->daddr;
-	keys.control.addr_type = FLOW_DISSECTOR_KEY_IPV4_ADDRS;
-	keys.ports.src = fl4->fl4_sport;
-	keys.ports.dst = fl4->fl4_dport;
-	keys.keyid.keyid = fl4->fl4_gre_key;
-	keys.basic.ip_proto = fl4->flowi4_proto;
-
-	__skb_set_sw_hash(skb, flow_hash_from_keys(&keys),
-			  flow_keys_have_l4(&keys));
-
-	return skb->hash;
-}
-EXPORT_SYMBOL(__skb_get_hash_flowi4);
-
 u32 __skb_get_poff(const struct sk_buff *skb, void *data,
 		   const struct flow_keys *keys, int hlen)
 {