Hi Viacheslav,
On Tue, 30 Aug 2022 at 07:03, Viacheslav Mitrofanov v.v.mitrofanov@yadro.com wrote:
Test checksum computation. csum_ipv6_magic() uses in upper layer protocols as TCP/UDP/ICMPv6/etc to calculate payload checksum.
Signed-off-by: Viacheslav Mitrofanov v.v.mitrofanov@yadro.com
test/dm/eth.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+)
Reviewed-by: Simon Glass sjg@chromium.org
diff --git a/test/dm/eth.c b/test/dm/eth.c index 4cc90cf514..bbfa14ef6d 100644 --- a/test/dm/eth.c +++ b/test/dm/eth.c @@ -70,6 +70,35 @@ static int dm_test_string_to_ip6(struct unit_test_state *uts) } DM_TEST(dm_test_string_to_ip6, 0);
+static int dm_test_csum_ipv6_magic(struct unit_test_state *uts) +{
unsigned short csum = 0xBEEF;
lower-case hex consistently
/* Predefined correct parameters */unsigned short correct_csum = 0xD8AC;struct in6_addr saddr = {.s6_addr32[0] = 0x000080fe,.s6_addr32[1] = 0x00000000,.s6_addr32[2] = 0xffe9f242,.s6_addr32[3] = 0xe8f66dfe};struct in6_addr daddr = {.s6_addr32[0] = 0x000080fe,.s6_addr32[1] = 0x00000000,.s6_addr32[2] = 0xffd5b372,.s6_addr32[3] = 0x3ef692fe};u16 len = 1460;unsigned short proto = 17;unsigned int head_csum = 0x91f0;csum = csum_ipv6_magic(&saddr, &daddr, len, proto, head_csum);ut_assert(csum == correct_csum);
ut_asserteq
/* Broke a parameter */proto--;csum = csum_ipv6_magic(&saddr, &daddr, len, proto, head_csum);ut_assert(csum != correct_csum);return 0;+} +DM_TEST(dm_test_csum_ipv6_magic, 0);
static int dm_test_eth(struct unit_test_state *uts) { net_ping_ip = string_to_ip("1.1.2.2"); -- 2.25.1
Regards, Simon