[RFC PATCH net-next 08/13] vxlan: Move address helpers to private headers

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Move the helpers out of the core C file to the private header so that
they could be used by the upcoming MDB code.

While at it, constify the second argument of vxlan_nla_get_addr().

Signed-off-by: Ido Schimmel <idosch@xxxxxxxxxx>
---
 drivers/net/vxlan/vxlan_core.c    | 47 -------------------------------
 drivers/net/vxlan/vxlan_private.h | 45 +++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+), 47 deletions(-)

diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c
index b1b179effe2a..a3106abc2b52 100644
--- a/drivers/net/vxlan/vxlan_core.c
+++ b/drivers/net/vxlan/vxlan_core.c
@@ -71,53 +71,6 @@ static inline bool vxlan_collect_metadata(struct vxlan_sock *vs)
 	       ip_tunnel_collect_metadata();
 }
 
-#if IS_ENABLED(CONFIG_IPV6)
-static int vxlan_nla_get_addr(union vxlan_addr *ip, struct nlattr *nla)
-{
-	if (nla_len(nla) >= sizeof(struct in6_addr)) {
-		ip->sin6.sin6_addr = nla_get_in6_addr(nla);
-		ip->sa.sa_family = AF_INET6;
-		return 0;
-	} else if (nla_len(nla) >= sizeof(__be32)) {
-		ip->sin.sin_addr.s_addr = nla_get_in_addr(nla);
-		ip->sa.sa_family = AF_INET;
-		return 0;
-	} else {
-		return -EAFNOSUPPORT;
-	}
-}
-
-static int vxlan_nla_put_addr(struct sk_buff *skb, int attr,
-			      const union vxlan_addr *ip)
-{
-	if (ip->sa.sa_family == AF_INET6)
-		return nla_put_in6_addr(skb, attr, &ip->sin6.sin6_addr);
-	else
-		return nla_put_in_addr(skb, attr, ip->sin.sin_addr.s_addr);
-}
-
-#else /* !CONFIG_IPV6 */
-
-static int vxlan_nla_get_addr(union vxlan_addr *ip, struct nlattr *nla)
-{
-	if (nla_len(nla) >= sizeof(struct in6_addr)) {
-		return -EAFNOSUPPORT;
-	} else if (nla_len(nla) >= sizeof(__be32)) {
-		ip->sin.sin_addr.s_addr = nla_get_in_addr(nla);
-		ip->sa.sa_family = AF_INET;
-		return 0;
-	} else {
-		return -EAFNOSUPPORT;
-	}
-}
-
-static int vxlan_nla_put_addr(struct sk_buff *skb, int attr,
-			      const union vxlan_addr *ip)
-{
-	return nla_put_in_addr(skb, attr, ip->sin.sin_addr.s_addr);
-}
-#endif
-
 /* Find VXLAN socket based on network namespace, address family, UDP port,
  * enabled unshareable flags and socket device binding (see l3mdev with
  * non-default VRF).
diff --git a/drivers/net/vxlan/vxlan_private.h b/drivers/net/vxlan/vxlan_private.h
index 599c3b4fdd5e..038528f9684a 100644
--- a/drivers/net/vxlan/vxlan_private.h
+++ b/drivers/net/vxlan/vxlan_private.h
@@ -85,6 +85,31 @@ bool vxlan_addr_equal(const union vxlan_addr *a, const union vxlan_addr *b)
 		return a->sin.sin_addr.s_addr == b->sin.sin_addr.s_addr;
 }
 
+static inline int vxlan_nla_get_addr(union vxlan_addr *ip,
+				     const struct nlattr *nla)
+{
+	if (nla_len(nla) >= sizeof(struct in6_addr)) {
+		ip->sin6.sin6_addr = nla_get_in6_addr(nla);
+		ip->sa.sa_family = AF_INET6;
+		return 0;
+	} else if (nla_len(nla) >= sizeof(__be32)) {
+		ip->sin.sin_addr.s_addr = nla_get_in_addr(nla);
+		ip->sa.sa_family = AF_INET;
+		return 0;
+	} else {
+		return -EAFNOSUPPORT;
+	}
+}
+
+static inline int vxlan_nla_put_addr(struct sk_buff *skb, int attr,
+				     const union vxlan_addr *ip)
+{
+	if (ip->sa.sa_family == AF_INET6)
+		return nla_put_in6_addr(skb, attr, &ip->sin6.sin6_addr);
+	else
+		return nla_put_in_addr(skb, attr, ip->sin.sin_addr.s_addr);
+}
+
 #else /* !CONFIG_IPV6 */
 
 static inline
@@ -93,6 +118,26 @@ bool vxlan_addr_equal(const union vxlan_addr *a, const union vxlan_addr *b)
 	return a->sin.sin_addr.s_addr == b->sin.sin_addr.s_addr;
 }
 
+static inline int vxlan_nla_get_addr(union vxlan_addr *ip,
+				     const struct nlattr *nla)
+{
+	if (nla_len(nla) >= sizeof(struct in6_addr)) {
+		return -EAFNOSUPPORT;
+	} else if (nla_len(nla) >= sizeof(__be32)) {
+		ip->sin.sin_addr.s_addr = nla_get_in_addr(nla);
+		ip->sa.sa_family = AF_INET;
+		return 0;
+	} else {
+		return -EAFNOSUPPORT;
+	}
+}
+
+static inline int vxlan_nla_put_addr(struct sk_buff *skb, int attr,
+				     const union vxlan_addr *ip)
+{
+	return nla_put_in_addr(skb, attr, ip->sin.sin_addr.s_addr);
+}
+
 #endif
 
 static inline struct vxlan_vni_node *
-- 
2.37.3




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