diff mbox series

[v1,net,7/8] selftest: tcp: Add bind() tests for IPV6_V6ONLY.

Message ID 20240325181923.48769-8-kuniyu@amazon.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series tcp: Fix bind() regression and more tests. | expand

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Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag present in non-next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 8 this patch: 8
netdev/build_tools success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers warning 2 maintainers not CCed: linux-kselftest@vger.kernel.org shuah@kernel.org
netdev/build_clang success Errors and warnings before: 8 this patch: 8
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 8 this patch: 8
netdev/checkpatch warning WARNING: line length of 93 exceeds 80 columns
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest pending net-next-2024-03-25--21-00 (tests: 0)

Commit Message

Kuniyuki Iwashima March 25, 2024, 6:19 p.m. UTC 
bhash2 was not well tested for IPv6-only sockets.

This patch adds test cases where we set IPV6_V6ONLY for per-fixture
bind() calls if variant->ipv6_only[i] is true.

Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
---
 tools/testing/selftests/net/bind_wildcard.c | 116 ++++++++++++++++++++
 1 file changed, 116 insertions(+)
diff mbox series

Patch

diff --git a/tools/testing/selftests/net/bind_wildcard.c b/tools/testing/selftests/net/bind_wildcard.c
index 4ecd3835f33c..6d7f02441b9d 100644
--- a/tools/testing/selftests/net/bind_wildcard.c
+++ b/tools/testing/selftests/net/bind_wildcard.c
@@ -42,6 +42,7 @@  FIXTURE_VARIANT(bind_wildcard)
 {
 	sa_family_t family[2];
 	const void *addr[2];
+	bool ipv6_only[2];
 
 	/* 6 bind() calls below follow two bind() for the defined 2 addresses:
 	 *
@@ -87,6 +88,17 @@  FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_any)
 			   EADDRINUSE, EADDRINUSE},
 };
 
+FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_any_only)
+{
+	.family = {AF_INET, AF_INET6},
+	.addr = {&in4addr_any, &in6addr_any},
+	.ipv6_only = {false, true},
+	.expected_errno = {0, 0,
+			   EADDRINUSE, EADDRINUSE,
+			   EADDRINUSE, EADDRINUSE,
+			   EADDRINUSE, EADDRINUSE},
+};
+
 FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_local)
 {
 	.family = {AF_INET, AF_INET6},
@@ -127,6 +139,17 @@  FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_any)
 			   EADDRINUSE, EADDRINUSE},
 };
 
+FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_any_only)
+{
+	.family = {AF_INET, AF_INET6},
+	.addr = {&in4addr_loopback, &in6addr_any},
+	.ipv6_only = {false, true},
+	.expected_errno = {0, 0,
+			   EADDRINUSE, EADDRINUSE,
+			   EADDRINUSE, EADDRINUSE,
+			   EADDRINUSE, EADDRINUSE},
+};
+
 FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_local)
 {
 	.family = {AF_INET, AF_INET6},
@@ -168,6 +191,17 @@  FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v4_any)
 			   EADDRINUSE, EADDRINUSE},
 };
 
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v4_any)
+{
+	.family = {AF_INET6, AF_INET},
+	.addr = {&in6addr_any, &in4addr_any},
+	.ipv6_only = {true, false},
+	.expected_errno = {0, 0,
+			   EADDRINUSE, EADDRINUSE,
+			   EADDRINUSE, EADDRINUSE,
+			   EADDRINUSE, EADDRINUSE},
+};
+
 FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v4_local)
 {
 	.family = {AF_INET6, AF_INET},
@@ -178,6 +212,17 @@  FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v4_local)
 			   EADDRINUSE, EADDRINUSE},
 };
 
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v4_local)
+{
+	.family = {AF_INET6, AF_INET},
+	.addr = {&in6addr_any, &in4addr_loopback},
+	.ipv6_only = {true, false},
+	.expected_errno = {0, 0,
+			   EADDRINUSE, EADDRINUSE,
+			   EADDRINUSE, EADDRINUSE,
+			   EADDRINUSE, EADDRINUSE},
+};
+
 FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v4_any)
 {
 	.family = {AF_INET6, AF_INET},
@@ -249,6 +294,17 @@  FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_local)
 			   EADDRINUSE, EADDRINUSE},
 };
 
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v6_local)
+{
+	.family = {AF_INET6, AF_INET6},
+	.addr = {&in6addr_any, &in6addr_loopback},
+	.ipv6_only = {true, false},
+	.expected_errno = {0, EADDRINUSE,
+			   0, EADDRINUSE,
+			   EADDRINUSE, EADDRINUSE,
+			   EADDRINUSE, EADDRINUSE},
+};
+
 FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_any)
 {
 	.family = {AF_INET6, AF_INET6},
@@ -259,6 +315,17 @@  FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_any)
 			   EADDRINUSE, EADDRINUSE},
 };
 
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v6_v4mapped_any)
+{
+	.family = {AF_INET6, AF_INET6},
+	.addr = {&in6addr_any, &in6addr_v4mapped_any},
+	.ipv6_only = {true, false},
+	.expected_errno = {0, 0,
+			   EADDRINUSE, EADDRINUSE,
+			   EADDRINUSE, EADDRINUSE,
+			   EADDRINUSE, EADDRINUSE},
+};
+
 FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_local)
 {
 	.family = {AF_INET6, AF_INET6},
@@ -269,6 +336,17 @@  FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_local)
 			   EADDRINUSE, EADDRINUSE},
 };
 
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v6_v4mapped_local)
+{
+	.family = {AF_INET6, AF_INET6},
+	.addr = {&in6addr_any, &in6addr_v4mapped_loopback},
+	.ipv6_only = {true, false},
+	.expected_errno = {0, 0,
+			   EADDRINUSE, EADDRINUSE,
+			   EADDRINUSE, EADDRINUSE,
+			   EADDRINUSE, EADDRINUSE},
+};
+
 FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_any)
 {
 	.family = {AF_INET6, AF_INET6},
@@ -279,6 +357,17 @@  FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_any)
 			   EADDRINUSE, EADDRINUSE},
 };
 
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_any_only)
+{
+	.family = {AF_INET6, AF_INET6},
+	.addr = {&in6addr_loopback, &in6addr_any},
+	.ipv6_only = {false, true},
+	.expected_errno = {0, EADDRINUSE,
+			   0, EADDRINUSE,
+			   EADDRINUSE, EADDRINUSE,
+			   EADDRINUSE, EADDRINUSE},
+};
+
 FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_v4mapped_any)
 {
 	.family = {AF_INET6, AF_INET6},
@@ -309,6 +398,17 @@  FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_any)
 			   EADDRINUSE, EADDRINUSE},
 };
 
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_any_only)
+{
+	.family = {AF_INET6, AF_INET6},
+	.addr = {&in6addr_v4mapped_any, &in6addr_any},
+	.ipv6_only = {false, true},
+	.expected_errno = {0, 0,
+			   EADDRINUSE, EADDRINUSE,
+			   EADDRINUSE, EADDRINUSE,
+			   EADDRINUSE, EADDRINUSE},
+};
+
 FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_local)
 {
 	.family = {AF_INET6, AF_INET6},
@@ -339,6 +439,17 @@  FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_any)
 			   EADDRINUSE, EADDRINUSE},
 };
 
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_any_only)
+{
+	.family = {AF_INET6, AF_INET6},
+	.addr = {&in6addr_v4mapped_loopback, &in6addr_any},
+	.ipv6_only = {false, true},
+	.expected_errno = {0, 0,
+			   EADDRINUSE, EADDRINUSE,
+			   EADDRINUSE, EADDRINUSE,
+			   EADDRINUSE, EADDRINUSE},
+};
+
 FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_local)
 {
 	.family = {AF_INET6, AF_INET6},
@@ -415,6 +526,11 @@  void bind_socket(struct __test_metadata *_metadata,
 	self->fd[i] = socket(self->addr[i].addr.sa_family, SOCK_STREAM, 0);
 	ASSERT_GT(self->fd[i], 0);
 
+	if (i < 2 && variant->ipv6_only[i]) {
+		ret = setsockopt(self->fd[i], SOL_IPV6, IPV6_V6ONLY, &(int){1}, sizeof(int));
+		ASSERT_EQ(ret, 0);
+	}
+
 	self->addr[i].addr4.sin_port = self->addr[0].addr4.sin_port;
 
 	ret = bind(self->fd[i], &self->addr[i].addr, self->addrlen[i]);