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-rw-r--r--app/test/test_lpm.c82
1 files changed, 80 insertions, 2 deletions
diff --git a/app/test/test_lpm.c b/app/test/test_lpm.c
index b6ad2ebd..41ae80fe 100644
--- a/app/test/test_lpm.c
+++ b/app/test/test_lpm.c
@@ -35,10 +35,10 @@
#include <stdint.h>
#include <stdlib.h>
+#include <rte_ip.h>
#include <rte_lpm.h>
#include "test.h"
-#include "test_lpm_routes.h"
#include "test_xmmt_ops.h"
#define TEST_LPM_ASSERT(cond) do { \
@@ -68,6 +68,7 @@ static int32_t test14(void);
static int32_t test15(void);
static int32_t test16(void);
static int32_t test17(void);
+static int32_t test18(void);
rte_lpm_test tests[] = {
/* Test Cases */
@@ -89,6 +90,7 @@ rte_lpm_test tests[] = {
test15,
test16,
test17,
+ test18
};
#define NUM_LPM_TESTS (sizeof(tests)/sizeof(tests[0]))
@@ -1218,6 +1220,82 @@ test17(void)
}
/*
+ * Test for recycle of tbl8
+ * - step 1: add a rule with depth=28 (> 24)
+ * - step 2: add a rule with same 24-bit prefix and depth=23 (< 24)
+ * - step 3: delete the first rule
+ * - step 4: check tbl8 is freed
+ * - step 5: add a rule same as the first one (depth=28)
+ * - step 6: check same tbl8 is allocated
+ * - step 7: add a rule with same 24-bit prefix and depth=24
+ * - step 8: delete the rule (depth=28) added in step 5
+ * - step 9: check tbl8 is freed
+ * - step 10: add a rule with same 24-bit prefix and depth = 28
+ * - setp 11: check same tbl8 is allocated again
+ */
+int32_t
+test18(void)
+{
+#define group_idx next_hop
+ struct rte_lpm *lpm = NULL;
+ struct rte_lpm_config config;
+ uint32_t ip, next_hop;
+ uint8_t depth;
+ uint32_t tbl8_group_index;
+
+ config.max_rules = MAX_RULES;
+ config.number_tbl8s = NUMBER_TBL8S;
+ config.flags = 0;
+
+ lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
+ TEST_LPM_ASSERT(lpm != NULL);
+
+ ip = IPv4(192, 168, 100, 100);
+ depth = 28;
+ next_hop = 1;
+ rte_lpm_add(lpm, ip, depth, next_hop);
+
+ TEST_LPM_ASSERT(lpm->tbl24[ip>>8].valid_group);
+ tbl8_group_index = lpm->tbl24[ip>>8].group_idx;
+
+ depth = 23;
+ next_hop = 2;
+ rte_lpm_add(lpm, ip, depth, next_hop);
+ TEST_LPM_ASSERT(lpm->tbl24[ip>>8].valid_group);
+
+ depth = 28;
+ rte_lpm_delete(lpm, ip, depth);
+
+ TEST_LPM_ASSERT(!lpm->tbl24[ip>>8].valid_group);
+
+ next_hop = 3;
+ rte_lpm_add(lpm, ip, depth, next_hop);
+
+ TEST_LPM_ASSERT(lpm->tbl24[ip>>8].valid_group);
+ TEST_LPM_ASSERT(tbl8_group_index == lpm->tbl24[ip>>8].group_idx);
+
+ depth = 24;
+ next_hop = 4;
+ rte_lpm_add(lpm, ip, depth, next_hop);
+ TEST_LPM_ASSERT(lpm->tbl24[ip>>8].valid_group);
+
+ depth = 28;
+ rte_lpm_delete(lpm, ip, depth);
+
+ TEST_LPM_ASSERT(!lpm->tbl24[ip>>8].valid_group);
+
+ next_hop = 5;
+ rte_lpm_add(lpm, ip, depth, next_hop);
+
+ TEST_LPM_ASSERT(lpm->tbl24[ip>>8].valid_group);
+ TEST_LPM_ASSERT(tbl8_group_index == lpm->tbl24[ip>>8].group_idx);
+
+ rte_lpm_free(lpm);
+#undef group_idx
+ return PASS;
+}
+
+/*
* Do all unit tests.
*/
@@ -1230,7 +1308,7 @@ test_lpm(void)
for (i = 0; i < NUM_LPM_TESTS; i++) {
status = tests[i]();
if (status < 0) {
- printf("ERROR: LPM Test %s: FAIL\n", RTE_STR(tests[i]));
+ printf("ERROR: LPM Test %u: FAIL\n", i);
global_status = status;
}
}