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Message-Id: <20181219180810.174933-1-posk@google.com>
Date: Wed, 19 Dec 2018 10:08:10 -0800
From: Peter Oskolkov <posk@...gle.com>
To: David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Cc: Peter Oskolkov <posk.devel@...il.com>,
Peter Oskolkov <posk@...gle.com>
Subject: [PATCH net-next] selftests: net: refactor reuseport_addr_any test
This patch refactors reuseport_add_any selftest a bit:
- makes it more modular (eliminates several copy/pasted blocks);
- skips DCCP tests if DCCP is not supported
---
.../selftests/net/reuseport_addr_any.c | 121 ++++++------------
1 file changed, 38 insertions(+), 83 deletions(-)
diff --git a/tools/testing/selftests/net/reuseport_addr_any.c b/tools/testing/selftests/net/reuseport_addr_any.c
index 4ac3e24b7cfc..6f54d425dba9 100644
--- a/tools/testing/selftests/net/reuseport_addr_any.c
+++ b/tools/testing/selftests/net/reuseport_addr_any.c
@@ -203,7 +203,9 @@ static void test(int *rcv_fds, int count, int family, int proto, int fd)
close(epfd);
}
-int main(void)
+
+static void run_one_test(int fam_send, int fam_rcv, int proto,
+ const char *addr_str)
{
/* Below we test that a socket listening on a specific address
* is always selected in preference over a socket listening
@@ -214,95 +216,48 @@ int main(void)
*/
int rcv_fds[10], i;
- fprintf(stderr, "---- UDP IPv4 ----\n");
- build_rcv_fd(AF_INET, SOCK_DGRAM, rcv_fds, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_DGRAM, rcv_fds + 2, 2, NULL);
- build_rcv_fd(AF_INET, SOCK_DGRAM, rcv_fds + 4, 1, IP4_ADDR);
- build_rcv_fd(AF_INET, SOCK_DGRAM, rcv_fds + 5, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_DGRAM, rcv_fds + 7, 2, NULL);
- test(rcv_fds, 9, AF_INET, SOCK_DGRAM, rcv_fds[4]);
- for (i = 0; i < 9; ++i)
- close(rcv_fds[i]);
-
- fprintf(stderr, "---- UDP IPv6 ----\n");
- build_rcv_fd(AF_INET, SOCK_DGRAM, rcv_fds, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_DGRAM, rcv_fds + 2, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_DGRAM, rcv_fds + 4, 1, IP6_ADDR);
- build_rcv_fd(AF_INET, SOCK_DGRAM, rcv_fds + 5, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_DGRAM, rcv_fds + 7, 2, NULL);
- test(rcv_fds, 9, AF_INET6, SOCK_DGRAM, rcv_fds[4]);
- for (i = 0; i < 9; ++i)
- close(rcv_fds[i]);
-
- fprintf(stderr, "---- UDP IPv4 mapped to IPv6 ----\n");
- build_rcv_fd(AF_INET, SOCK_DGRAM, rcv_fds, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_DGRAM, rcv_fds + 2, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_DGRAM, rcv_fds + 4, 1, IP4_MAPPED6);
- build_rcv_fd(AF_INET, SOCK_DGRAM, rcv_fds + 5, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_DGRAM, rcv_fds + 7, 2, NULL);
- test(rcv_fds, 9, AF_INET, SOCK_DGRAM, rcv_fds[4]);
- for (i = 0; i < 9; ++i)
- close(rcv_fds[i]);
-
- fprintf(stderr, "---- TCP IPv4 ----\n");
- build_rcv_fd(AF_INET, SOCK_STREAM, rcv_fds, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_STREAM, rcv_fds + 2, 2, NULL);
- build_rcv_fd(AF_INET, SOCK_STREAM, rcv_fds + 4, 1, IP4_ADDR);
- build_rcv_fd(AF_INET, SOCK_STREAM, rcv_fds + 5, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_STREAM, rcv_fds + 7, 2, NULL);
- test(rcv_fds, 9, AF_INET, SOCK_STREAM, rcv_fds[4]);
+ build_rcv_fd(AF_INET, proto, rcv_fds, 2, NULL);
+ build_rcv_fd(AF_INET6, proto, rcv_fds + 2, 2, NULL);
+ build_rcv_fd(fam_rcv, proto, rcv_fds + 4, 1, addr_str);
+ build_rcv_fd(AF_INET, proto, rcv_fds + 5, 2, NULL);
+ build_rcv_fd(AF_INET6, proto, rcv_fds + 7, 2, NULL);
+ test(rcv_fds, 9, fam_send, proto, rcv_fds[4]);
for (i = 0; i < 9; ++i)
close(rcv_fds[i]);
+ fprintf(stderr, "pass\n");
+}
- fprintf(stderr, "---- TCP IPv6 ----\n");
- build_rcv_fd(AF_INET, SOCK_STREAM, rcv_fds, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_STREAM, rcv_fds + 2, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_STREAM, rcv_fds + 4, 1, IP6_ADDR);
- build_rcv_fd(AF_INET, SOCK_STREAM, rcv_fds + 5, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_STREAM, rcv_fds + 7, 2, NULL);
- test(rcv_fds, 9, AF_INET6, SOCK_STREAM, rcv_fds[4]);
- for (i = 0; i < 9; ++i)
- close(rcv_fds[i]);
+static void test_proto(int proto, const char *proto_str)
+{
+ if (proto == SOCK_DCCP) {
+ int test_fd;
+
+ test_fd = socket(AF_INET, proto, 0);
+ if (test_fd < 0) {
+ if (errno == ESOCKTNOSUPPORT) {
+ fprintf(stderr, "DCCP not supported: skipping DCCP tests\n");
+ return;
+ } else
+ error(1, errno, "failed to create a DCCP socket");
+ }
+ close(test_fd);
+ }
- fprintf(stderr, "---- TCP IPv4 mapped to IPv6 ----\n");
- build_rcv_fd(AF_INET, SOCK_STREAM, rcv_fds, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_STREAM, rcv_fds + 2, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_STREAM, rcv_fds + 4, 1, IP4_MAPPED6);
- build_rcv_fd(AF_INET, SOCK_STREAM, rcv_fds + 5, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_STREAM, rcv_fds + 7, 2, NULL);
- test(rcv_fds, 9, AF_INET, SOCK_STREAM, rcv_fds[4]);
- for (i = 0; i < 9; ++i)
- close(rcv_fds[i]);
+ fprintf(stderr, "%s IPv4 ... ", proto_str);
+ run_one_test(AF_INET, AF_INET, proto, IP4_ADDR);
- fprintf(stderr, "---- DCCP IPv4 ----\n");
- build_rcv_fd(AF_INET, SOCK_DCCP, rcv_fds, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_DCCP, rcv_fds + 2, 2, NULL);
- build_rcv_fd(AF_INET, SOCK_DCCP, rcv_fds + 4, 1, IP4_ADDR);
- build_rcv_fd(AF_INET, SOCK_DCCP, rcv_fds + 5, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_DCCP, rcv_fds + 7, 2, NULL);
- test(rcv_fds, 9, AF_INET, SOCK_DCCP, rcv_fds[4]);
- for (i = 0; i < 9; ++i)
- close(rcv_fds[i]);
+ fprintf(stderr, "%s IPv6 ... ", proto_str);
+ run_one_test(AF_INET6, AF_INET6, proto, IP6_ADDR);
- fprintf(stderr, "---- DCCP IPv6 ----\n");
- build_rcv_fd(AF_INET, SOCK_DCCP, rcv_fds, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_DCCP, rcv_fds + 2, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_DCCP, rcv_fds + 4, 1, IP6_ADDR);
- build_rcv_fd(AF_INET, SOCK_DCCP, rcv_fds + 5, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_DCCP, rcv_fds + 7, 2, NULL);
- test(rcv_fds, 9, AF_INET6, SOCK_DCCP, rcv_fds[4]);
- for (i = 0; i < 9; ++i)
- close(rcv_fds[i]);
+ fprintf(stderr, "%s IPv4 mapped to IPv6 ... ", proto_str);
+ run_one_test(AF_INET, AF_INET6, proto, IP4_MAPPED6);
+}
- fprintf(stderr, "---- DCCP IPv4 mapped to IPv6 ----\n");
- build_rcv_fd(AF_INET, SOCK_DCCP, rcv_fds, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_DCCP, rcv_fds + 2, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_DCCP, rcv_fds + 4, 1, IP4_MAPPED6);
- build_rcv_fd(AF_INET, SOCK_DCCP, rcv_fds + 5, 2, NULL);
- build_rcv_fd(AF_INET6, SOCK_DCCP, rcv_fds + 7, 2, NULL);
- test(rcv_fds, 9, AF_INET, SOCK_DCCP, rcv_fds[4]);
- for (i = 0; i < 9; ++i)
- close(rcv_fds[i]);
+int main(void)
+{
+ test_proto(SOCK_DGRAM, "UDP");
+ test_proto(SOCK_STREAM, "TCP");
+ test_proto(SOCK_DCCP, "DCCP");
fprintf(stderr, "SUCCESS\n");
return 0;
--
2.20.0.405.gbc1bbc6f85-goog
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