From: Mobashshera Rasool <mrasool@vmware.com>
Date: Thu, 16 Jun 2022 03:08:35 +0000 (-0700)
Subject: lib: Add an api is_ipv6_global_unicast
X-Git-Tag: base_8.4~329^2~1
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=3a0d338bc9f69daa1bf4f059a12d7dd4e85c89e0;p=matthieu%2Ffrr.git

lib: Add an api is_ipv6_global_unicast

Add api is_ipv6_global_unicast to identify whether a given
ipv6 address is global unicast or not.

Signed-off-by: Mobashshera Rasool <mrasool@vmware.com>
---

diff --git a/lib/prefix.h b/lib/prefix.h
index 42394ec61c..f9eef28a0b 100644
--- a/lib/prefix.h
+++ b/lib/prefix.h
@@ -594,6 +594,15 @@ static inline int is_default_host_route(const struct prefix *p)
 	return 0;
 }
 
+static inline bool is_ipv6_global_unicast(const struct in6_addr *p)
+{
+	if (IN6_IS_ADDR_UNSPECIFIED(p) || IN6_IS_ADDR_LOOPBACK(p) ||
+	    IN6_IS_ADDR_LINKLOCAL(p) || IN6_IS_ADDR_MULTICAST(p))
+		return false;
+
+	return true;
+}
+
 /* IPv6 scope values, usable for IPv4 too (cf. below) */
 /* clang-format off */
 enum {