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e4d30fd110
Add a test that checks generated Link Local Address. 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>
609 lines
16 KiB
C
609 lines
16 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2015 National Instruments
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*
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* (C) Copyright 2015
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* Joe Hershberger <joe.hershberger@ni.com>
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*/
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#include <common.h>
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#include <dm.h>
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#include <env.h>
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#include <fdtdec.h>
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#include <log.h>
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#include <malloc.h>
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#include <net.h>
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#include <net6.h>
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#include <asm/eth.h>
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#include <dm/test.h>
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#include <dm/device-internal.h>
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#include <dm/uclass-internal.h>
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#include <test/test.h>
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#include <test/ut.h>
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#define DM_TEST_ETH_NUM 4
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#if IS_ENABLED(CONFIG_IPV6)
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static int dm_test_string_to_ip6(struct unit_test_state *uts)
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{
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char *str;
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struct test_ip6_pair {
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char *string_addr;
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struct in6_addr ip6_addr;
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};
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struct in6_addr ip6 = {0};
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/* Correct statements */
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struct test_ip6_pair test_suite[] = {
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{"2001:db8::0:1234:1", {.s6_addr32[0] = 0xb80d0120,
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.s6_addr32[1] = 0x00000000,
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.s6_addr32[2] = 0x00000000,
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.s6_addr32[3] = 0x01003412}},
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{"2001:0db8:0000:0000:0000:0000:1234:0001",
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{.s6_addr32[0] = 0xb80d0120,
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.s6_addr32[1] = 0x00000000,
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.s6_addr32[2] = 0x00000000,
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.s6_addr32[3] = 0x01003412}},
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{"::1", {.s6_addr32[0] = 0x00000000,
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.s6_addr32[1] = 0x00000000,
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.s6_addr32[2] = 0x00000000,
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.s6_addr32[3] = 0x01000000}},
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{"::ffff:192.168.1.1", {.s6_addr32[0] = 0x00000000,
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.s6_addr32[1] = 0x00000000,
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.s6_addr32[2] = 0xffff0000,
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.s6_addr32[3] = 0x0101a8c0}},
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};
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for (int i = 0; i < ARRAY_SIZE(test_suite); ++i) {
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ut_assertok(string_to_ip6(test_suite[i].string_addr,
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strlen(test_suite[i].string_addr), &ip6));
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ut_asserteq_mem(&ip6, &test_suite[i].ip6_addr,
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sizeof(struct in6_addr));
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}
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/* Incorrect statements */
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str = "hello:world";
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ut_assertok(!string_to_ip6(str, strlen(str), &ip6));
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str = "2001:db8::0::0";
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ut_assertok(!string_to_ip6(str, strlen(str), &ip6));
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str = "2001:db8:192.168.1.1::1";
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ut_assertok(!string_to_ip6(str, strlen(str), &ip6));
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str = "192.168.1.1";
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ut_assertok(!string_to_ip6(str, strlen(str), &ip6));
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return 0;
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}
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DM_TEST(dm_test_string_to_ip6, 0);
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static int dm_test_csum_ipv6_magic(struct unit_test_state *uts)
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{
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unsigned short csum = 0xbeef;
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/* Predefined correct parameters */
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unsigned short correct_csum = 0xd8ac;
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struct in6_addr saddr = {.s6_addr32[0] = 0x000080fe,
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.s6_addr32[1] = 0x00000000,
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.s6_addr32[2] = 0xffe9f242,
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.s6_addr32[3] = 0xe8f66dfe};
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struct in6_addr daddr = {.s6_addr32[0] = 0x000080fe,
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.s6_addr32[1] = 0x00000000,
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.s6_addr32[2] = 0xffd5b372,
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.s6_addr32[3] = 0x3ef692fe};
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u16 len = 1460;
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unsigned short proto = 17;
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unsigned int head_csum = 0x91f0;
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csum = csum_ipv6_magic(&saddr, &daddr, len, proto, head_csum);
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ut_asserteq(csum, correct_csum);
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/* Broke a parameter */
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proto--;
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csum = csum_ipv6_magic(&saddr, &daddr, len, proto, head_csum);
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ut_assert(csum != correct_csum);
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return 0;
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}
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DM_TEST(dm_test_csum_ipv6_magic, 0);
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static int dm_test_ip6_addr_in_subnet(struct unit_test_state *uts)
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{
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struct in6_addr our = {.s6_addr32[0] = 0x000080fe,
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.s6_addr32[1] = 0x00000000,
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.s6_addr32[2] = 0xffe9f242,
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.s6_addr32[3] = 0xe8f66dfe};
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struct in6_addr neigh1 = {.s6_addr32[0] = 0x000080fe,
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.s6_addr32[1] = 0x00000000,
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.s6_addr32[2] = 0xffd5b372,
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.s6_addr32[3] = 0x3ef692fe};
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struct in6_addr neigh2 = {.s6_addr32[0] = 0x60480120,
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.s6_addr32[1] = 0x00006048,
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.s6_addr32[2] = 0x00000000,
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.s6_addr32[3] = 0x00008888};
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/* in */
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ut_assert(ip6_addr_in_subnet(&our, &neigh1, 64));
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/* outside */
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ut_assert(!ip6_addr_in_subnet(&our, &neigh2, 64));
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ut_assert(!ip6_addr_in_subnet(&our, &neigh1, 128));
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return 0;
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}
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DM_TEST(dm_test_ip6_addr_in_subnet, 0);
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static int dm_test_ip6_make_snma(struct unit_test_state *uts)
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{
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struct in6_addr mult = {0};
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struct in6_addr correct_addr = {
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.s6_addr32[0] = 0x000002ff,
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.s6_addr32[1] = 0x00000000,
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.s6_addr32[2] = 0x01000000,
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.s6_addr32[3] = 0xe8f66dff};
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struct in6_addr addr = { .s6_addr32[0] = 0x000080fe,
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.s6_addr32[1] = 0x00000000,
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.s6_addr32[2] = 0xffe9f242,
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.s6_addr32[3] = 0xe8f66dfe};
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ip6_make_snma(&mult, &addr);
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ut_asserteq_mem(&mult, &correct_addr, sizeof(struct in6_addr));
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return 0;
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}
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DM_TEST(dm_test_ip6_make_snma, 0);
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static int dm_test_ip6_make_lladdr(struct unit_test_state *uts)
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{
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struct in6_addr generated_lladdr = {0};
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struct in6_addr correct_lladdr = {
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.s6_addr32[0] = 0x000080fe,
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.s6_addr32[1] = 0x00000000,
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.s6_addr32[2] = 0xffabf33a,
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.s6_addr32[3] = 0xfbb352fe};
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const unsigned char mac[6] = {0x38, 0xf3, 0xab, 0x52, 0xb3, 0xfb};
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ip6_make_lladdr(&generated_lladdr, mac);
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ut_asserteq_mem(&generated_lladdr, &correct_lladdr,
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sizeof(struct in6_addr));
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return 0;
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}
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DM_TEST(dm_test_ip6_make_lladdr, UT_TESTF_SCAN_FDT);
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#endif
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static int dm_test_eth(struct unit_test_state *uts)
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{
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net_ping_ip = string_to_ip("1.1.2.2");
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env_set("ethact", "eth@10002000");
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ut_assertok(net_loop(PING));
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ut_asserteq_str("eth@10002000", env_get("ethact"));
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env_set("ethact", "eth@10003000");
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ut_assertok(net_loop(PING));
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ut_asserteq_str("eth@10003000", env_get("ethact"));
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env_set("ethact", "eth@10004000");
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ut_assertok(net_loop(PING));
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ut_asserteq_str("eth@10004000", env_get("ethact"));
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return 0;
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}
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DM_TEST(dm_test_eth, UT_TESTF_SCAN_FDT);
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static int dm_test_eth_alias(struct unit_test_state *uts)
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{
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net_ping_ip = string_to_ip("1.1.2.2");
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env_set("ethact", "eth0");
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ut_assertok(net_loop(PING));
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ut_asserteq_str("eth@10002000", env_get("ethact"));
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env_set("ethact", "eth6");
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ut_assertok(net_loop(PING));
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ut_asserteq_str("eth@10004000", env_get("ethact"));
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/* Expected to fail since eth1 is not defined in the device tree */
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env_set("ethact", "eth1");
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ut_assertok(net_loop(PING));
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ut_asserteq_str("eth@10002000", env_get("ethact"));
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env_set("ethact", "eth5");
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ut_assertok(net_loop(PING));
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ut_asserteq_str("eth@10003000", env_get("ethact"));
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return 0;
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}
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DM_TEST(dm_test_eth_alias, UT_TESTF_SCAN_FDT);
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static int dm_test_eth_prime(struct unit_test_state *uts)
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{
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net_ping_ip = string_to_ip("1.1.2.2");
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/* Expected to be "eth@10003000" because of ethprime variable */
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env_set("ethact", NULL);
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env_set("ethprime", "eth5");
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ut_assertok(net_loop(PING));
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ut_asserteq_str("eth@10003000", env_get("ethact"));
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/* Expected to be "eth@10002000" because it is first */
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env_set("ethact", NULL);
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env_set("ethprime", NULL);
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ut_assertok(net_loop(PING));
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ut_asserteq_str("eth@10002000", env_get("ethact"));
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return 0;
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}
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DM_TEST(dm_test_eth_prime, UT_TESTF_SCAN_FDT);
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/**
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* This test case is trying to test the following scenario:
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* - All ethernet devices are not probed
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* - "ethaddr" for all ethernet devices are not set
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* - "ethact" is set to a valid ethernet device name
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*
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* With Sandbox default test configuration, all ethernet devices are
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* probed after power-up, so we have to manually create such scenario:
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* - Remove all ethernet devices
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* - Remove all "ethaddr" environment variables
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* - Set "ethact" to the first ethernet device
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*
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* Do a ping test to see if anything goes wrong.
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*/
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static int dm_test_eth_act(struct unit_test_state *uts)
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{
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struct udevice *dev[DM_TEST_ETH_NUM];
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const char *ethname[DM_TEST_ETH_NUM] = {"eth@10002000", "eth@10003000",
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"sbe5", "eth@10004000"};
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const char *addrname[DM_TEST_ETH_NUM] = {"ethaddr", "eth5addr",
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"eth3addr", "eth6addr"};
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char ethaddr[DM_TEST_ETH_NUM][18];
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int i;
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memset(ethaddr, '\0', sizeof(ethaddr));
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net_ping_ip = string_to_ip("1.1.2.2");
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/* Prepare the test scenario */
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for (i = 0; i < DM_TEST_ETH_NUM; i++) {
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ut_assertok(uclass_find_device_by_name(UCLASS_ETH,
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ethname[i], &dev[i]));
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ut_assertok(device_remove(dev[i], DM_REMOVE_NORMAL));
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/* Invalidate MAC address */
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strncpy(ethaddr[i], env_get(addrname[i]), 17);
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/* Must disable access protection for ethaddr before clearing */
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env_set(".flags", addrname[i]);
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env_set(addrname[i], NULL);
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}
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/* Set ethact to "eth@10002000" */
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env_set("ethact", ethname[0]);
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/* Segment fault might happen if something is wrong */
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ut_asserteq(-ENODEV, net_loop(PING));
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for (i = 0; i < DM_TEST_ETH_NUM; i++) {
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/* Restore the env */
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env_set(".flags", addrname[i]);
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env_set(addrname[i], ethaddr[i]);
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/* Probe the device again */
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ut_assertok(device_probe(dev[i]));
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}
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env_set(".flags", NULL);
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env_set("ethact", NULL);
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return 0;
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}
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DM_TEST(dm_test_eth_act, UT_TESTF_SCAN_FDT);
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/* Ensure that all addresses are loaded properly */
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static int dm_test_ethaddr(struct unit_test_state *uts)
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{
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static const char *const addr[] = {
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"02:00:11:22:33:44",
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"02:00:11:22:33:48", /* dsa slave */
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"02:00:11:22:33:45",
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"02:00:11:22:33:48", /* dsa master */
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"02:00:11:22:33:46",
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"02:00:11:22:33:47",
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"02:00:11:22:33:48", /* dsa slave */
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"02:00:11:22:33:49",
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};
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int i;
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for (i = 0; i < ARRAY_SIZE(addr); i++) {
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char addrname[10];
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if (i)
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snprintf(addrname, sizeof(addrname), "eth%daddr", i + 1);
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else
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strcpy(addrname, "ethaddr");
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ut_asserteq_str(addr[i], env_get(addrname));
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}
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return 0;
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}
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DM_TEST(dm_test_ethaddr, UT_TESTF_SCAN_FDT);
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/* The asserts include a return on fail; cleanup in the caller */
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static int _dm_test_eth_rotate1(struct unit_test_state *uts)
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{
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/* Make sure that the default is to rotate to the next interface */
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env_set("ethact", "eth@10004000");
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ut_assertok(net_loop(PING));
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ut_asserteq_str("eth@10002000", env_get("ethact"));
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/* If ethrotate is no, then we should fail on a bad MAC */
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env_set("ethact", "eth@10004000");
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env_set("ethrotate", "no");
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ut_asserteq(-EINVAL, net_loop(PING));
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ut_asserteq_str("eth@10004000", env_get("ethact"));
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return 0;
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}
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static int _dm_test_eth_rotate2(struct unit_test_state *uts)
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{
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/* Make sure we can skip invalid devices */
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env_set("ethact", "eth@10004000");
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ut_assertok(net_loop(PING));
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ut_asserteq_str("eth@10004000", env_get("ethact"));
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/* Make sure we can handle device name which is not eth# */
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env_set("ethact", "sbe5");
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ut_assertok(net_loop(PING));
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ut_asserteq_str("sbe5", env_get("ethact"));
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return 0;
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}
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static int dm_test_eth_rotate(struct unit_test_state *uts)
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{
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char ethaddr[18];
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int retval;
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/* Set target IP to mock ping */
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net_ping_ip = string_to_ip("1.1.2.2");
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/* Invalidate eth1's MAC address */
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memset(ethaddr, '\0', sizeof(ethaddr));
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strncpy(ethaddr, env_get("eth6addr"), 17);
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/* Must disable access protection for eth6addr before clearing */
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env_set(".flags", "eth6addr");
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env_set("eth6addr", NULL);
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retval = _dm_test_eth_rotate1(uts);
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/* Restore the env */
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env_set("eth6addr", ethaddr);
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env_set("ethrotate", NULL);
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if (!retval) {
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/* Invalidate eth0's MAC address */
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strncpy(ethaddr, env_get("ethaddr"), 17);
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/* Must disable access protection for ethaddr before clearing */
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env_set(".flags", "ethaddr");
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env_set("ethaddr", NULL);
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retval = _dm_test_eth_rotate2(uts);
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/* Restore the env */
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env_set("ethaddr", ethaddr);
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}
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/* Restore the env */
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env_set(".flags", NULL);
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return retval;
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}
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DM_TEST(dm_test_eth_rotate, UT_TESTF_SCAN_FDT);
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/* The asserts include a return on fail; cleanup in the caller */
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static int _dm_test_net_retry(struct unit_test_state *uts)
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{
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/*
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* eth1 is disabled and netretry is yes, so the ping should succeed and
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* the active device should be eth0
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*/
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sandbox_eth_disable_response(1, true);
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env_set("ethact", "lan1");
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env_set("netretry", "yes");
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sandbox_eth_skip_timeout();
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ut_assertok(net_loop(PING));
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ut_asserteq_str("eth@10002000", env_get("ethact"));
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/*
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* eth1 is disabled and netretry is no, so the ping should fail and the
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* active device should be eth1
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*/
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env_set("ethact", "lan1");
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env_set("netretry", "no");
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sandbox_eth_skip_timeout();
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ut_asserteq(-ENONET, net_loop(PING));
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ut_asserteq_str("lan1", env_get("ethact"));
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return 0;
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}
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static int dm_test_net_retry(struct unit_test_state *uts)
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{
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int retval;
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net_ping_ip = string_to_ip("1.1.2.2");
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retval = _dm_test_net_retry(uts);
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/* Restore the env */
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env_set("netretry", NULL);
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sandbox_eth_disable_response(1, false);
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return retval;
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}
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DM_TEST(dm_test_net_retry, UT_TESTF_SCAN_FDT);
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static int sb_check_arp_reply(struct udevice *dev, void *packet,
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unsigned int len)
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{
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struct eth_sandbox_priv *priv = dev_get_priv(dev);
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struct ethernet_hdr *eth = packet;
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struct arp_hdr *arp;
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/* Used by all of the ut_assert macros */
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struct unit_test_state *uts = priv->priv;
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if (ntohs(eth->et_protlen) != PROT_ARP)
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return 0;
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arp = packet + ETHER_HDR_SIZE;
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if (ntohs(arp->ar_op) != ARPOP_REPLY)
|
|
return 0;
|
|
|
|
/* This test would be worthless if we are not waiting */
|
|
ut_assert(arp_is_waiting());
|
|
|
|
/* Validate response */
|
|
ut_asserteq_mem(eth->et_src, net_ethaddr, ARP_HLEN);
|
|
ut_asserteq_mem(eth->et_dest, priv->fake_host_hwaddr, ARP_HLEN);
|
|
ut_assert(eth->et_protlen == htons(PROT_ARP));
|
|
|
|
ut_assert(arp->ar_hrd == htons(ARP_ETHER));
|
|
ut_assert(arp->ar_pro == htons(PROT_IP));
|
|
ut_assert(arp->ar_hln == ARP_HLEN);
|
|
ut_assert(arp->ar_pln == ARP_PLEN);
|
|
ut_asserteq_mem(&arp->ar_sha, net_ethaddr, ARP_HLEN);
|
|
ut_assert(net_read_ip(&arp->ar_spa).s_addr == net_ip.s_addr);
|
|
ut_asserteq_mem(&arp->ar_tha, priv->fake_host_hwaddr, ARP_HLEN);
|
|
ut_assert(net_read_ip(&arp->ar_tpa).s_addr ==
|
|
string_to_ip("1.1.2.4").s_addr);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sb_with_async_arp_handler(struct udevice *dev, void *packet,
|
|
unsigned int len)
|
|
{
|
|
struct eth_sandbox_priv *priv = dev_get_priv(dev);
|
|
struct ethernet_hdr *eth = packet;
|
|
struct arp_hdr *arp = packet + ETHER_HDR_SIZE;
|
|
int ret;
|
|
|
|
/*
|
|
* If we are about to generate a reply to ARP, first inject a request
|
|
* from another host
|
|
*/
|
|
if (ntohs(eth->et_protlen) == PROT_ARP &&
|
|
ntohs(arp->ar_op) == ARPOP_REQUEST) {
|
|
/* Make sure sandbox_eth_recv_arp_req() knows who is asking */
|
|
priv->fake_host_ipaddr = string_to_ip("1.1.2.4");
|
|
|
|
ret = sandbox_eth_recv_arp_req(dev);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
sandbox_eth_arp_req_to_reply(dev, packet, len);
|
|
sandbox_eth_ping_req_to_reply(dev, packet, len);
|
|
|
|
return sb_check_arp_reply(dev, packet, len);
|
|
}
|
|
|
|
static int dm_test_eth_async_arp_reply(struct unit_test_state *uts)
|
|
{
|
|
net_ping_ip = string_to_ip("1.1.2.2");
|
|
|
|
sandbox_eth_set_tx_handler(0, sb_with_async_arp_handler);
|
|
/* Used by all of the ut_assert macros in the tx_handler */
|
|
sandbox_eth_set_priv(0, uts);
|
|
|
|
env_set("ethact", "eth@10002000");
|
|
ut_assertok(net_loop(PING));
|
|
ut_asserteq_str("eth@10002000", env_get("ethact"));
|
|
|
|
sandbox_eth_set_tx_handler(0, NULL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
DM_TEST(dm_test_eth_async_arp_reply, UT_TESTF_SCAN_FDT);
|
|
|
|
static int sb_check_ping_reply(struct udevice *dev, void *packet,
|
|
unsigned int len)
|
|
{
|
|
struct eth_sandbox_priv *priv = dev_get_priv(dev);
|
|
struct ethernet_hdr *eth = packet;
|
|
struct ip_udp_hdr *ip;
|
|
struct icmp_hdr *icmp;
|
|
/* Used by all of the ut_assert macros */
|
|
struct unit_test_state *uts = priv->priv;
|
|
|
|
if (ntohs(eth->et_protlen) != PROT_IP)
|
|
return 0;
|
|
|
|
ip = packet + ETHER_HDR_SIZE;
|
|
|
|
if (ip->ip_p != IPPROTO_ICMP)
|
|
return 0;
|
|
|
|
icmp = (struct icmp_hdr *)&ip->udp_src;
|
|
|
|
if (icmp->type != ICMP_ECHO_REPLY)
|
|
return 0;
|
|
|
|
/* This test would be worthless if we are not waiting */
|
|
ut_assert(arp_is_waiting());
|
|
|
|
/* Validate response */
|
|
ut_asserteq_mem(eth->et_src, net_ethaddr, ARP_HLEN);
|
|
ut_asserteq_mem(eth->et_dest, priv->fake_host_hwaddr, ARP_HLEN);
|
|
ut_assert(eth->et_protlen == htons(PROT_IP));
|
|
|
|
ut_assert(net_read_ip(&ip->ip_src).s_addr == net_ip.s_addr);
|
|
ut_assert(net_read_ip(&ip->ip_dst).s_addr ==
|
|
string_to_ip("1.1.2.4").s_addr);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sb_with_async_ping_handler(struct udevice *dev, void *packet,
|
|
unsigned int len)
|
|
{
|
|
struct eth_sandbox_priv *priv = dev_get_priv(dev);
|
|
struct ethernet_hdr *eth = packet;
|
|
struct arp_hdr *arp = packet + ETHER_HDR_SIZE;
|
|
int ret;
|
|
|
|
/*
|
|
* If we are about to generate a reply to ARP, first inject a request
|
|
* from another host
|
|
*/
|
|
if (ntohs(eth->et_protlen) == PROT_ARP &&
|
|
ntohs(arp->ar_op) == ARPOP_REQUEST) {
|
|
/* Make sure sandbox_eth_recv_arp_req() knows who is asking */
|
|
priv->fake_host_ipaddr = string_to_ip("1.1.2.4");
|
|
|
|
ret = sandbox_eth_recv_ping_req(dev);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
sandbox_eth_arp_req_to_reply(dev, packet, len);
|
|
sandbox_eth_ping_req_to_reply(dev, packet, len);
|
|
|
|
return sb_check_ping_reply(dev, packet, len);
|
|
}
|
|
|
|
static int dm_test_eth_async_ping_reply(struct unit_test_state *uts)
|
|
{
|
|
net_ping_ip = string_to_ip("1.1.2.2");
|
|
|
|
sandbox_eth_set_tx_handler(0, sb_with_async_ping_handler);
|
|
/* Used by all of the ut_assert macros in the tx_handler */
|
|
sandbox_eth_set_priv(0, uts);
|
|
|
|
env_set("ethact", "eth@10002000");
|
|
ut_assertok(net_loop(PING));
|
|
ut_asserteq_str("eth@10002000", env_get("ethact"));
|
|
|
|
sandbox_eth_set_tx_handler(0, NULL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
DM_TEST(dm_test_eth_async_ping_reply, UT_TESTF_SCAN_FDT);
|