Module Name: src
Committed By: martin
Date: Sun Apr 10 11:31:48 UTC 2011
Modified Files:
src/tests/net/if_loop: t_pr.c
Log Message:
Repeat the fragmentation on lo0 test, but with checksum on IFF_LOOPBACK
interfaces enabled.
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/tests/net/if_loop/t_pr.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/tests/net/if_loop/t_pr.c
diff -u src/tests/net/if_loop/t_pr.c:1.4 src/tests/net/if_loop/t_pr.c:1.5
--- src/tests/net/if_loop/t_pr.c:1.4 Sat Apr 9 20:42:12 2011
+++ src/tests/net/if_loop/t_pr.c Sun Apr 10 11:31:48 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: t_pr.c,v 1.4 2011/04/09 20:42:12 martin Exp $ */
+/* $NetBSD: t_pr.c,v 1.5 2011/04/10 11:31:48 martin Exp $ */
/*-
* Copyright (c) 2010 The NetBSD Foundation, Inc.
@@ -29,11 +29,12 @@
#include <sys/cdefs.h>
#ifndef lint
-__RCSID("$NetBSD: t_pr.c,v 1.4 2011/04/09 20:42:12 martin Exp $");
+__RCSID("$NetBSD: t_pr.c,v 1.5 2011/04/10 11:31:48 martin Exp $");
#endif /* not lint */
#include <sys/types.h>
#include <sys/socket.h>
+#include <sys/sysctl.h>
#include <netinet/in.h>
#include <net/route.h>
@@ -51,15 +52,11 @@
#include "../config/netconfig.c"
#include "../../h_macros.h"
-ATF_TC(loopmtu);
-ATF_TC_HEAD(loopmtu, tc)
-{
-
- atf_tc_set_md_var(tc, "descr", "test lo0 fragmentation");
- /* PR kern/43664 */
-}
-
-ATF_TC_BODY(loopmtu, tc)
+/*
+ * Prepare rump server, configure interface and route to cause fragmentation
+ */
+static void
+setup(void)
{
char ifname[IFNAMSIZ];
struct {
@@ -68,11 +65,12 @@
} m_rtmsg;
#define rtm m_rtmsg.m_rtm
#define rsin m_rtmsg.m_sin
- struct sockaddr_in sin;
struct ifreq ifr;
- char data[2000];
int s;
+ static bool init_done = false;
+ if (init_done) return;
+
strcpy(ifname, "lo0");
rump_init();
@@ -113,6 +111,106 @@
atf_tc_fail_errno("set route mtu");
rump_sys_close(s);
+ init_done = true;
+}
+
+/*
+ * Turn on checksums on loopback interfaces
+ */
+static int
+enable_locsums(void)
+{
+ struct sysctlnode q, ans[256];
+ int mib[5], enable;
+ size_t alen;
+ unsigned i;
+
+ mib[0] = CTL_NET;
+ mib[1] = PF_INET;
+ mib[2] = IPPROTO_IP;
+ mib[3] = CTL_QUERY;
+ alen = sizeof(ans);
+
+ memset(&q, 0, sizeof(q));
+ q.sysctl_flags = SYSCTL_VERSION;
+
+ if (rump_sys___sysctl(mib, 4, ans, &alen, &q, sizeof(q)) == -1)
+ return -1;
+
+ for (i = 0; i < __arraycount(ans); i++)
+ if (strcmp("do_loopback_cksum", ans[i].sysctl_name) == 0)
+ break;
+ if (i == __arraycount(ans)) {
+ errno = ENOENT;
+ return -1;
+ }
+
+ mib[3] = ans[i].sysctl_num;
+
+ enable = 1;
+ if (rump_sys___sysctl(mib, 4, NULL, NULL, &enable,
+ sizeof(enable)) == -1)
+ return errno;
+
+ return 0;
+}
+
+ATF_TC(loopmtu);
+ATF_TC_HEAD(loopmtu, tc)
+{
+
+ atf_tc_set_md_var(tc, "descr", "test lo0 fragmentation");
+ /* PR kern/43664 */
+}
+
+ATF_TC_BODY(loopmtu, tc)
+{
+ struct sockaddr_in sin;
+ char data[2000];
+ int s;
+
+ setup();
+
+ /* open raw socket */
+ s = rump_sys_socket(PF_INET, SOCK_RAW, 0);
+ if (s == -1)
+ atf_tc_fail_errno("raw socket");
+
+ /* then, send data */
+ memset(&sin, 0, sizeof(sin));
+ sin.sin_family = AF_INET;
+ sin.sin_len = sizeof(sin);
+ sin.sin_port = htons(12345);
+ sin.sin_addr.s_addr = inet_addr("127.0.0.1");
+
+ /*
+ * Should not fail anymore, PR has been fixed...
+ *
+ * atf_tc_expect_signal(SIGABRT, "PR kern/43664");
+ */
+ if (rump_sys_sendto(s, data, sizeof(data), 0,
+ (struct sockaddr *)&sin, sizeof(sin)) == -1)
+ atf_tc_fail_errno("sendto failed");
+}
+
+ATF_TC(loopmtu_csum);
+ATF_TC_HEAD(loopmtu_csum, tc)
+{
+
+ atf_tc_set_md_var(tc, "descr", "test lo0 fragmentation with checksums");
+ /* PR kern/43664 */
+}
+
+ATF_TC_BODY(loopmtu_csum, tc)
+{
+ struct sockaddr_in sin;
+ char data[2000];
+ int s;
+
+ setup();
+
+ ATF_CHECK(enable_locsums() == 0);
+
/* open raw socket */
s = rump_sys_socket(PF_INET, SOCK_RAW, 0);
if (s == -1)
@@ -139,6 +237,8 @@
{
ATF_TP_ADD_TC(tp, loopmtu);
+ ATF_TP_ADD_TC(tp, loopmtu_csum);
return atf_no_error();
}
+
