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-rw-r--r--src/plugins/unittest/svm_fifo_test.c98
1 files changed, 93 insertions, 5 deletions
diff --git a/src/plugins/unittest/svm_fifo_test.c b/src/plugins/unittest/svm_fifo_test.c
index 163a8e42c68..4e44441ebdc 100644
--- a/src/plugins/unittest/svm_fifo_test.c
+++ b/src/plugins/unittest/svm_fifo_test.c
@@ -1244,7 +1244,7 @@ sfifo_test_fifo_segment_hello_world (int verbose)
fifo_segment_create_args_t _a, *a = &_a;
fifo_segment_main_t *sm = &segment_main;
u8 *test_data, *retrieved_data = 0;
- fifo_segment_t *sp;
+ fifo_segment_t *fs;
svm_fifo_t *f;
int rv;
@@ -1256,8 +1256,8 @@ sfifo_test_fifo_segment_hello_world (int verbose)
SFIFO_TEST (!rv, "svm_fifo_segment_create returned %d", rv);
- sp = fifo_segment_get_segment (sm, a->new_segment_indices[0]);
- f = fifo_segment_alloc_fifo (sp, 4096, FIFO_SEGMENT_RX_FIFO);
+ fs = fifo_segment_get_segment (sm, a->new_segment_indices[0]);
+ f = fifo_segment_alloc_fifo (fs, 4096, FIFO_SEGMENT_RX_FIFO);
SFIFO_TEST (f != 0, "svm_fifo_segment_alloc_fifo");
@@ -1281,8 +1281,87 @@ sfifo_test_fifo_segment_hello_world (int verbose)
vec_free (test_data);
vec_free (retrieved_data);
- fifo_segment_free_fifo (sp, f);
- fifo_segment_delete (sm, sp);
+ vec_free (a->new_segment_indices);
+ fifo_segment_free_fifo (fs, f);
+ fifo_segment_delete (sm, fs);
+ return 0;
+}
+
+static int
+sfifo_test_fifo_segment_fifo_grow (int verbose)
+{
+ fifo_segment_main_t *sm = &segment_main;
+ fifo_segment_create_args_t _a, *a = &_a;
+ int rv, fifo_size = 4096, n_chunks;
+ fifo_segment_t *fs;
+ svm_fifo_t *f;
+
+ clib_memset (a, 0, sizeof (*a));
+ a->segment_name = "fifo-test1";
+ a->segment_size = 256 << 10;
+
+ rv = fifo_segment_create (sm, a);
+
+ SFIFO_TEST (!rv, "svm_fifo_segment_create returned %d", rv);
+
+ /*
+ * Alloc and grow fifo
+ */
+ fs = fifo_segment_get_segment (sm, a->new_segment_indices[0]);
+ f = fifo_segment_alloc_fifo (fs, fifo_size, FIFO_SEGMENT_RX_FIFO);
+
+ SFIFO_TEST (f != 0, "svm_fifo_segment_alloc_fifo");
+
+ fifo_segment_grow_fifo (fs, f, fifo_size);
+ SFIFO_TEST (f->size == 2 * fifo_size, "fifo size should be %u is %u",
+ 2 * fifo_size, f->size);
+
+ fifo_segment_grow_fifo (fs, f, 16 * fifo_size);
+ SFIFO_TEST (f->size == 18 * fifo_size, "fifo size should be %u is %u",
+ 18 * fifo_size, f->size);
+
+ /*
+ * Free and test free list size
+ */
+ fifo_segment_free_fifo (fs, f);
+
+ n_chunks = fifo_segment_num_free_chunks (fs, fifo_size);
+ SFIFO_TEST (n_chunks == 1, "free 2^10B chunks should be %u is %u", 1,
+ n_chunks);
+ n_chunks = fifo_segment_num_free_chunks (fs, 16 * fifo_size);
+ SFIFO_TEST (n_chunks == 1, "free 2^14B chunks should be %u is %u", 1,
+ n_chunks);
+ n_chunks = fifo_segment_num_free_chunks (fs, ~0);
+ SFIFO_TEST (n_chunks == 2, "free chunks should be %u is %u", 2, n_chunks);
+
+ /*
+ * Realloc fifo
+ */
+ f = fifo_segment_alloc_fifo (fs, fifo_size, FIFO_SEGMENT_RX_FIFO);
+
+ fifo_segment_grow_fifo (fs, f, fifo_size);
+ n_chunks = fifo_segment_num_free_chunks (fs, fifo_size);
+ SFIFO_TEST (n_chunks == 0, "free 2^10B chunks should be %u is %u", 0,
+ n_chunks);
+
+ fifo_segment_grow_fifo (fs, f, 16 * fifo_size);
+ SFIFO_TEST (n_chunks == 0, "free 2^14B chunks should be %u is %u", 0,
+ n_chunks);
+ n_chunks = fifo_segment_num_free_chunks (fs, ~0);
+ SFIFO_TEST (n_chunks == 0, "free chunks should be %u is %u", 0, n_chunks);
+
+ /*
+ * Free again
+ */
+ fifo_segment_free_fifo (fs, f);
+ n_chunks = fifo_segment_num_free_chunks (fs, ~0);
+ SFIFO_TEST (n_chunks == 2, "free chunks should be %u is %u", 2, n_chunks);
+
+ /*
+ * Cleanup
+ */
+ fifo_segment_delete (sm, fs);
+ vec_free (a->new_segment_indices);
return 0;
}
@@ -1310,6 +1389,7 @@ sfifo_test_fifo_segment_slave (int verbose)
SFIFO_TEST (!rv, "svm_fifo_segment_attach returned %d", rv);
sp = fifo_segment_get_segment (sm, a->new_segment_indices[0]);
+ vec_free (a->new_segment_indices);
sh = sp->ssvm.sh;
fsh = (fifo_segment_header_t *) sh->opaque[0];
@@ -1388,6 +1468,7 @@ sfifo_test_fifo_segment_master_slave (int verbose)
result = (u32 *) f->head_chunk->data;
SFIFO_TEST (*result == 0, "slave reported no error");
+ vec_free (a->new_segment_indices);
vec_free (test_data);
fifo_segment_free_fifo (sp, f);
fifo_segment_delete (sm, sp);
@@ -1478,12 +1559,19 @@ sfifo_test_fifo_segment (vlib_main_t * vm, unformat_input_t * input)
if ((rv = sfifo_test_fifo_segment_mempig (verbose)))
return -1;
}
+ else if (unformat (input, "grow fifo"))
+ {
+ if ((rv = sfifo_test_fifo_segment_fifo_grow (verbose)))
+ return -1;
+ }
else if (unformat (input, "all"))
{
if ((rv = sfifo_test_fifo_segment_hello_world (verbose)))
return -1;
if ((rv = sfifo_test_fifo_segment_mempig (verbose)))
return -1;
+ if ((rv = sfifo_test_fifo_segment_fifo_grow (verbose)))
+ return -1;
/* Pretty slow so avoid running it always
if ((rv = sfifo_test_fifo_segment_master_slave (verbose)))
return -1;