lib: Allow using IPv4 (Class E) reserved block if enabled

Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>

1 files changed, 3 insertions, 11 deletions

diff --git a/lib/prefix.h b/lib/prefix.h
index f9eef28a0b..6c51186f52 100644
--- a/lib/prefix.h
+++ b/lib/prefix.h
@@ -382,6 +382,8 @@ static inline void ipv4_addr_copy(struct in_addr *dst,
 #define IPV4_NET0(a) ((((uint32_t)(a)) & 0xff000000) == 0x00000000)
 #define IPV4_NET127(a) ((((uint32_t)(a)) & 0xff000000) == 0x7f000000)
 #define IPV4_LINKLOCAL(a) ((((uint32_t)(a)) & 0xffff0000) == 0xa9fe0000)
+#define IPV4_CLASS_D(a) ((((uint32_t)(a)) & 0xf0000000) == 0xe0000000)
+#define IPV4_CLASS_E(a) ((((uint32_t)(a)) & 0xf0000000) == 0xf0000000)
 #define IPV4_CLASS_DE(a) ((((uint32_t)(a)) & 0xe0000000) == 0xe0000000)
 #define IPV4_MC_LINKLOCAL(a) ((((uint32_t)(a)) & 0xffffff00) == 0xe0000000)
 
@@ -507,17 +509,7 @@ extern int str_to_esi(const char *str, esi_t *esi);
 extern char *esi_to_str(const esi_t *esi, char *buf, int size);
 extern char *evpn_es_df_alg2str(uint8_t df_alg, char *buf, int buf_len);
 extern void prefix_evpn_hexdump(const struct prefix_evpn *p);
-
-static inline bool ipv4_unicast_valid(const struct in_addr *addr)
-{
-
-	in_addr_t ip = ntohl(addr->s_addr);
-
-	if (IPV4_CLASS_DE(ip))
-		return false;
-
-	return true;
-}
+extern bool ipv4_unicast_valid(const struct in_addr *addr);
 
 static inline int ipv6_martian(const struct in6_addr *addr)
 {