From: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com>
Date: Fri, 2 Dec 2022 09:18:11 +0000 (+0300)
Subject: test: dm: eth: Add ip6_addr_in_subnet test
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=8576dcdf0036be116a3424505984a9b2de7c9bf8;p=u-boot.git

test: dm: eth: Add ip6_addr_in_subnet test

Add a test if two address are in the same subnet. Use in sandbox

Signed-off-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---

diff --git a/test/dm/eth.c b/test/dm/eth.c
index 5ffa0c41d7..4c50258288 100644
--- a/test/dm/eth.c
+++ b/test/dm/eth.c
@@ -104,6 +104,31 @@ static int dm_test_csum_ipv6_magic(struct unit_test_state *uts)
 	return 0;
 }
 DM_TEST(dm_test_csum_ipv6_magic, 0);
+
+static int dm_test_ip6_addr_in_subnet(struct unit_test_state *uts)
+{
+	struct in6_addr our = {.s6_addr32[0] = 0x000080fe,
+				 .s6_addr32[1] = 0x00000000,
+				 .s6_addr32[2] = 0xffe9f242,
+				 .s6_addr32[3] = 0xe8f66dfe};
+	struct in6_addr neigh1 = {.s6_addr32[0] = 0x000080fe,
+				 .s6_addr32[1] = 0x00000000,
+				 .s6_addr32[2] = 0xffd5b372,
+				 .s6_addr32[3] = 0x3ef692fe};
+	struct in6_addr neigh2 = {.s6_addr32[0] = 0x60480120,
+				 .s6_addr32[1] = 0x00006048,
+				 .s6_addr32[2] = 0x00000000,
+				 .s6_addr32[3] = 0x00008888};
+
+	/* in */
+	ut_assert(ip6_addr_in_subnet(&our, &neigh1, 64));
+	/* outside */
+	ut_assert(!ip6_addr_in_subnet(&our, &neigh2, 64));
+	ut_assert(!ip6_addr_in_subnet(&our, &neigh1, 128));
+
+	return 0;
+}
+DM_TEST(dm_test_ip6_addr_in_subnet, 0);
 #endif
 
 static int dm_test_eth(struct unit_test_state *uts)