aboutsummaryrefslogtreecommitdiffstats
path: root/tools/testing/selftests/bpf
diff options
context:
space:
mode:
Diffstat (limited to 'tools/testing/selftests/bpf')
-rw-r--r--tools/testing/selftests/bpf/test_maps.c29
1 files changed, 28 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c
index 0c4b56d1b822..7059bb315a10 100644
--- a/tools/testing/selftests/bpf/test_maps.c
+++ b/tools/testing/selftests/bpf/test_maps.c
@@ -461,7 +461,7 @@ static void test_devmap(int task, void *data)
#include <linux/err.h>
#define SOCKMAP_PARSE_PROG "./sockmap_parse_prog.o"
#define SOCKMAP_VERDICT_PROG "./sockmap_verdict_prog.o"
-static void test_sockmap(int task, void *data)
+static void test_sockmap(int tasks, void *data)
{
int one = 1, map_fd_rx, map_fd_tx, map_fd_break, s, sc, rc;
struct bpf_map *bpf_map_rx, *bpf_map_tx, *bpf_map_break;
@@ -473,6 +473,7 @@ static void test_sockmap(int task, void *data)
struct bpf_object *obj;
struct timeval to;
__u32 key, value;
+ pid_t pid[tasks];
fd_set w;
/* Create some sockets to use with sockmap */
@@ -782,6 +783,32 @@ static void test_sockmap(int task, void *data)
}
}
+ /* Test tasks number of forked operations */
+ for (i = 0; i < tasks; i++) {
+ pid[i] = fork();
+ if (pid[i] == 0) {
+ for (i = 0; i < 6; i++) {
+ bpf_map_delete_elem(map_fd_tx, &i);
+ bpf_map_delete_elem(map_fd_rx, &i);
+ bpf_map_update_elem(map_fd_tx, &i,
+ &sfd[i], BPF_ANY);
+ bpf_map_update_elem(map_fd_rx, &i,
+ &sfd[i], BPF_ANY);
+ }
+ exit(0);
+ } else if (pid[i] == -1) {
+ printf("Couldn't spawn #%d process!\n", i);
+ exit(1);
+ }
+ }
+
+ for (i = 0; i < tasks; i++) {
+ int status;
+
+ assert(waitpid(pid[i], &status, 0) == pid[i]);
+ assert(status == 0);
+ }
+
/* Test map close sockets */
for (i = 0; i < 6; i++)
close(sfd[i]);