From 78c896b3b3127515478090c19447e27dc406427e Mon Sep 17 00:00:00 2001
From: Jianfeng Tan <henry.tjf@antfin.com>
Date: Mon, 18 Nov 2019 06:59:50 +0000
Subject: TLDKv2

Signed-off-by: Jianfeng Tan <henry.tjf@antfin.com>
Signed-off-by: Jielong Zhou <jielong.zjl@antfin.com>
Signed-off-by: Jian Zhang <wuzai.zj@antfin.com>
Signed-off-by: Chen Zhao <winters.zc@antfin.com>
Change-Id: I55c39de4c6cd30f991f35631eb507f770230f08e
---
 lib/libtle_l4p/net_misc.h | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'lib/libtle_l4p/net_misc.h')

diff --git a/lib/libtle_l4p/net_misc.h b/lib/libtle_l4p/net_misc.h
index 2d8dac2..c1d946b 100644
--- a/lib/libtle_l4p/net_misc.h
+++ b/lib/libtle_l4p/net_misc.h
@@ -16,6 +16,7 @@
 #ifndef _NET_MISC_H_
 #define _NET_MISC_H_
 
+#include <stdbool.h>
 #include <rte_ip.h>
 #include <rte_udp.h>
 #include "osdep.h"
@@ -71,6 +72,26 @@ union ip_addrs {
 	union ipv6_addrs v6;
 };
 
+static inline bool
+is_empty_addr(const struct sockaddr *addr)
+{
+	bool any = false;
+	const struct sockaddr_in *in4;
+	const struct sockaddr_in6 *in6;
+
+	if (addr->sa_family == AF_INET) {
+		in4 = (const struct sockaddr_in *)addr;
+		if (in4->sin_addr.s_addr == INADDR_ANY)
+			any = true;
+	} else if (addr->sa_family == AF_INET6) {
+		in6 = (const struct sockaddr_in6 *)addr;
+		if (IN6_IS_ADDR_UNSPECIFIED(&in6->sin6_addr))
+			any = true;
+	}
+
+	return any;
+}
+
 #ifdef __cplusplus
 }
 #endif
-- 
cgit 1.2.3-korg