[openib-general] [PATCH] new test code for ib_cm_listen

[Sean Hefty]

This patch adds basic test code for ib_cm_listen.  It tests listen insertions,
removal, duplicate insertions, component mask usage, and all error handling 
cases.

- Sean


Index: util/cmpost/cmpost.c
===================================================================
--- util/cmpost/cmpost.c        (revision 1352)
+++ util/cmpost/cmpost.c        (working copy)
@@ -55,14 +55,69 @@
        struct ib_cm_id *conn_cm_id;
 };
 
+/* Last test number used: 8 */
+#define VERIFY_RESULT(test, result, value)                     \
+       printk("cmpost test %d : ", test);                      \
+       if (result == value) {                                  \
+               printk("passed\n");                             \
+       } else {                                                \
+               printk("FAILED! result = %d\n", result);        \
+               return result;                                  \
+       }                                                               
+
 void cm_handler(struct ib_cm_id *cm_id, struct ib_cm_event *event)
 {
 }
 
+static int test_listen()
+{
+       struct ib_cm_id * listen_ids[3];
+       int i, ret;
+
+       for (i = 0; i < 3; i++) {
+               listen_ids[i] = ib_create_cm_id(cm_handler, NULL);
+               if (IS_ERR(listen_ids[i]))
+                       return PTR_ERR(listen_ids[i]);
+       }
+
+       ret = ib_cm_listen(listen_ids[0], 0x1000, 0);
+       VERIFY_RESULT(1, ret, 0);
+       ret = ib_cm_listen(listen_ids[0], 0x1000, 0);
+       VERIFY_RESULT(2, ret, -EINVAL);
+
+       ret = ib_cm_listen(listen_ids[1], 0x1001, 0);
+       VERIFY_RESULT(3, ret, 0);
+       ret = ib_cm_listen(listen_ids[2], 0x1000, 0);
+       VERIFY_RESULT(4, ret, -EBUSY);
+       ret = ib_cm_listen(listen_ids[2], 0x1001, 0xF00F);
+       VERIFY_RESULT(5, ret, -EBUSY);
+       ret = ib_cm_listen(listen_ids[2], 0x1100, 0x1100);
+       VERIFY_RESULT(6, ret, 0);
+
+       ib_destroy_cm_id(listen_ids[0]);
+       listen_ids[0] = ib_create_cm_id(cm_handler, NULL);
+       if (IS_ERR(listen_ids[0]))
+               return PTR_ERR(listen_ids[0]);
+       ret = ib_cm_listen(listen_ids[0], 0x1011, 0);
+       VERIFY_RESULT(7, ret, 0);
+       ib_destroy_cm_id(listen_ids[0]);
+       listen_ids[0] = ib_create_cm_id(cm_handler, NULL);
+       if (IS_ERR(listen_ids[0]))
+               return PTR_ERR(listen_ids[0]);
+       ret = ib_cm_listen(listen_ids[0], 0x1000, 0);
+       VERIFY_RESULT(8, ret, 0);
+
+       for (i = 0; i < 3; i++) {
+               if (listen_ids[i] && !IS_ERR(listen_ids[i]))
+                       ib_destroy_cm_id(listen_ids[i]);
+       }
+       return 0;
+}
+
 static void cmpost_add_one(struct ib_device *device)
 {
        struct cmpost_port *port;
-       int i;
+       int i, ret;
 
        port = kmalloc(sizeof *port * device->phys_port_cnt, GFP_KERNEL);
        if (!port)
@@ -73,6 +128,11 @@
                port[i].conn_cm_id = ib_create_cm_id(cm_handler, &port[i]);
        }
 
+       ret = test_listen();
+       if (ret) {
+               printk("FAILURE: test_listen failed: %d\n", ret);
+               goto out;
+       }
 out:
        ib_set_client_data(device, &cmpost_client, port);
 }
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