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selftest: tcp: Add v4-v4 and v6-v6 bind() conflict tests.

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We don't have bind() conflict tests for the same protocol pairs.

Let's add them except for the same address pair, which will be
covered by the following patch adding 6 more bind() calls for
each test case.

Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240326204251.51301-6-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Kuniyuki Iwashima 2024-03-26 13:42:48 -07:00 committed by Jakub Kicinski
parent 6f9bc755c0
commit 5e9e9afdb5
1 changed files with 100 additions and 0 deletions
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100
tools/testing/selftests/net/bind_wildcard.c
View file

@ -42,6 +42,21 @@ FIXTURE_VARIANT(bind_wildcard)
int expected_errno;
};
/* (IPv4, IPv4) */
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v4_local)
{
.family = {AF_INET, AF_INET},
.addr = {&in4addr_any, &in4addr_loopback},
.expected_errno = EADDRINUSE,
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v4_any)
{
.family = {AF_INET, AF_INET},
.addr = {&in4addr_loopback, &in4addr_any},
.expected_errno = EADDRINUSE,
};
/* (IPv4, IPv6) */
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_any)
{
@ -156,6 +171,91 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_local_v4_local)
.expected_errno = EADDRINUSE,
};
/* (IPv6, IPv6) */
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_any, &in6addr_loopback},
.expected_errno = EADDRINUSE,
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_any, &in6addr_v4mapped_any},
.expected_errno = EADDRINUSE,
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_any, &in6addr_v4mapped_loopback},
.expected_errno = EADDRINUSE,
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_loopback, &in6addr_any},
.expected_errno = EADDRINUSE,
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_v4mapped_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_loopback, &in6addr_v4mapped_any},
.expected_errno = 0,
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_v4mapped_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_loopback, &in6addr_v4mapped_loopback},
.expected_errno = 0,
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_any, &in6addr_any},
.expected_errno = EADDRINUSE,
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_any, &in6addr_loopback},
.expected_errno = 0,
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_v4mapped_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_any, &in6addr_v4mapped_loopback},
.expected_errno = EADDRINUSE,
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_loopback, &in6addr_any},
.expected_errno = EADDRINUSE,
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_loopback, &in6addr_loopback},
.expected_errno = 0,
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_v4mapped_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_loopback, &in6addr_v4mapped_any},
.expected_errno = EADDRINUSE,
};
static void setup_addr(FIXTURE_DATA(bind_wildcard) *self, int i,
int family, const void *addr_const)
{