From: Ehsan Mohandesi emohandesi@microsoft.com
Test router advertisement validation and processing functions.
Signed-off-by: Ehsan Mohandesi emohandesi@microsoft.com --- test/dm/eth.c | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+)
diff --git a/test/dm/eth.c b/test/dm/eth.c index ebf01d8..d05d2a9 100644 --- a/test/dm/eth.c +++ b/test/dm/eth.c @@ -20,6 +20,7 @@ #include <dm/uclass-internal.h> #include <test/test.h> #include <test/ut.h> +#include <ndisc.h>
#define DM_TEST_ETH_NUM 4
@@ -607,3 +608,90 @@ static int dm_test_eth_async_ping_reply(struct unit_test_state *uts) }
DM_TEST(dm_test_eth_async_ping_reply, UT_TESTF_SCAN_FDT); + +#if IS_ENABLED(CONFIG_IPV6_ROUTER_DISCOVERY) + +static u8 ip6_ra_buf[] = {0x60, 0xf, 0xc5, 0x4a, 0x0, 0x38, 0x3a, 0xff, 0xfe, + 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x85, 0xe6, + 0x29, 0x77, 0xcb, 0xc8, 0x53, 0xff, 0x2, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, + 0x1, 0x86, 0x0, 0xdc, 0x90, 0x40, 0x80, 0x15, 0x18, + 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x4, + 0x40, 0xc0, 0x0, 0x0, 0x37, 0xdc, 0x0, 0x0, 0x37, + 0x78, 0x0, 0x0, 0x0, 0x0, 0x20, 0x1, 0xca, 0xfe, 0xca, + 0xfe, 0xca, 0xfe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, + 0x0, 0x1, 0x1, 0x0, 0x15, 0x5d, 0xe2, 0x8a, 0x2}; + +static int dm_test_validate_ra(struct unit_test_state *uts) +{ + struct ip6_hdr *ip6 = (struct ip6_hdr *)ip6_ra_buf; + struct icmp6hdr *icmp = (struct icmp6hdr *)(ip6 + 1); + __be16 temp = 0; + + ut_assert(validate_ra(ip6) == true); + + temp = ip6->payload_len; + ip6->payload_len = 15; + ut_assert(validate_ra(ip6) == false); + ip6->payload_len = temp; + + temp = ip6->saddr.s6_addr16[0]; + ip6->saddr.s6_addr16[0] = 0x2001; + ut_assert(validate_ra(ip6) == false); + ip6->saddr.s6_addr16[0] = temp; + + temp = ip6->hop_limit; + ip6->hop_limit = 15; + ut_assert(validate_ra(ip6) == false); + ip6->hop_limit = temp; + + temp = icmp->icmp6_code; + icmp->icmp6_code = 15; + ut_assert(validate_ra(ip6) == false); + icmp->icmp6_code = temp; + + return 0; +} + +DM_TEST(dm_test_validate_ra, 0); + +static int dm_test_process_ra(struct unit_test_state *uts) +{ + int len = sizeof(ip6_ra_buf); + struct ip6_hdr *ip6 = (struct ip6_hdr *)ip6_ra_buf; + struct icmp6hdr *icmp = (struct icmp6hdr *)(ip6 + 1); + struct ra_msg *msg = (struct ra_msg *)icmp; + unsigned char *option = msg->opt; + struct icmp6_ra_prefix_info *prefix = + (struct icmp6_ra_prefix_info *)option; + __be16 temp = 0; + unsigned char option_len = option[1]; + + ut_assert(process_ra(ip6, len) == 0); + + temp = icmp->icmp6_rt_lifetime; + icmp->icmp6_rt_lifetime = 0; + ut_assert(process_ra(ip6, len) != 0); + icmp->icmp6_rt_lifetime = temp; + + ut_assert(process_ra(ip6, 0) != 0); + + option[1] = 0; + ut_assert(process_ra(ip6, len) != 0); + option[1] = option_len; + + prefix->on_link = false; + ut_assert(process_ra(ip6, len) != 0); + prefix->on_link = true; + + temp = prefix->prefix.s6_addr16[0]; + prefix->prefix.s6_addr16[0] = 0x80fe; + ut_assert(process_ra(ip6, len) != 0); + prefix->prefix.s6_addr16[0] = temp; + + return 0; +} + +DM_TEST(dm_test_process_ra, 0); + +#endif