From 8576dcdf0036be116a3424505984a9b2de7c9bf8 Mon Sep 17 00:00:00 2001 From: Viacheslav Mitrofanov Date: Fri, 2 Dec 2022 12:18:11 +0300 Subject: [PATCH] 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 Reviewed-by: Ramon Fried Reviewed-by: Simon Glass --- test/dm/eth.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) 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) -- 2.39.5