numam-dpdk/app/test/test_lpm6.c

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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#include "test.h"
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <rte_memory.h>
#ifdef RTE_EXEC_ENV_WINDOWS
static int
test_lpm6(void)
{
printf("lpm6 not supported on Windows, skipping test\n");
return TEST_SKIPPED;
}
#else
#include <rte_lpm6.h>
#include "test_lpm6_data.h"
#define TEST_LPM_ASSERT(cond) do { \
if (!(cond)) { \
printf("Error at line %d: \n", __LINE__); \
return -1; \
} \
} while(0)
typedef int32_t (* rte_lpm6_test)(void);
static int32_t test0(void);
static int32_t test1(void);
static int32_t test2(void);
static int32_t test3(void);
static int32_t test4(void);
static int32_t test5(void);
static int32_t test6(void);
static int32_t test7(void);
static int32_t test8(void);
static int32_t test9(void);
static int32_t test10(void);
static int32_t test11(void);
static int32_t test12(void);
static int32_t test13(void);
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);
static int32_t test19(void);
static int32_t test20(void);
static int32_t test21(void);
static int32_t test22(void);
static int32_t test23(void);
static int32_t test24(void);
static int32_t test25(void);
static int32_t test26(void);
static int32_t test27(void);
static int32_t test28(void);
rte_lpm6_test tests6[] = {
/* Test Cases */
test0,
test1,
test2,
test3,
test4,
test5,
test6,
test7,
test8,
test9,
test10,
test11,
test12,
test13,
test14,
test15,
test16,
test17,
test18,
test19,
test20,
test21,
test22,
test23,
test24,
test25,
test26,
test27,
test28,
};
#define MAX_DEPTH 128
#define MAX_RULES 1000000
#define NUMBER_TBL8S (1 << 16)
#define MAX_NUM_TBL8S (1 << 21)
#define PASS 0
static void
IPv6(uint8_t *ip, uint8_t b1, uint8_t b2, uint8_t b3, uint8_t b4, uint8_t b5,
uint8_t b6, uint8_t b7, uint8_t b8, uint8_t b9, uint8_t b10,
uint8_t b11, uint8_t b12, uint8_t b13, uint8_t b14, uint8_t b15,
uint8_t b16)
{
ip[0] = b1;
ip[1] = b2;
ip[2] = b3;
ip[3] = b4;
ip[4] = b5;
ip[5] = b6;
ip[6] = b7;
ip[7] = b8;
ip[8] = b9;
ip[9] = b10;
ip[10] = b11;
ip[11] = b12;
ip[12] = b13;
ip[13] = b14;
ip[14] = b15;
ip[15] = b16;
}
/*
* Check that rte_lpm6_create fails gracefully for incorrect user input
* arguments
*/
int32_t
test0(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
/* rte_lpm6_create: lpm name == NULL */
lpm = rte_lpm6_create(NULL, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm == NULL);
/* rte_lpm6_create: max_rules = 0 */
/* Note: __func__ inserts the function name, in this case "test0". */
config.max_rules = 0;
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm == NULL);
/* socket_id < -1 is invalid */
config.max_rules = MAX_RULES;
lpm = rte_lpm6_create(__func__, -2, &config);
TEST_LPM_ASSERT(lpm == NULL);
/* rte_lpm6_create: number_tbl8s is bigger than the maximum */
config.number_tbl8s = MAX_NUM_TBL8S + 1;
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm == NULL);
/* rte_lpm6_create: config = NULL */
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, NULL);
TEST_LPM_ASSERT(lpm == NULL);
return PASS;
}
/*
* Creates two different LPM tables. Tries to create a third one with the same
* name as the first one and expects the create function to return the same
* pointer.
*/
int32_t
test1(void)
{
struct rte_lpm6 *lpm1 = NULL, *lpm2 = NULL, *lpm3 = NULL;
struct rte_lpm6_config config;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
/* rte_lpm6_create: lpm name == LPM1 */
lpm1 = rte_lpm6_create("LPM1", SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm1 != NULL);
/* rte_lpm6_create: lpm name == LPM2 */
lpm2 = rte_lpm6_create("LPM2", SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm2 != NULL);
/* rte_lpm6_create: lpm name == LPM2 */
lpm3 = rte_lpm6_create("LPM1", SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm3 == NULL);
rte_lpm6_free(lpm1);
rte_lpm6_free(lpm2);
return PASS;
}
/*
* Create lpm table then delete lpm table 20 times
* Use a slightly different rules size each time
*/
int32_t
test2(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
int32_t i;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
/* rte_lpm6_free: Free NULL */
for (i = 0; i < 20; i++) {
config.max_rules = MAX_RULES - i;
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
rte_lpm6_free(lpm);
}
/* Can not test free so return success */
return PASS;
}
/*
* Call rte_lpm6_free for NULL pointer user input. Note: free has no return and
* therefore it is impossible to check for failure but this test is added to
* increase function coverage metrics and to validate that freeing null does
* not crash.
*/
int32_t
test3(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
rte_lpm6_free(lpm);
rte_lpm6_free(NULL);
return PASS;
}
/*
* Check that rte_lpm6_add fails gracefully for incorrect user input arguments
*/
int32_t
test4(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
uint8_t depth = 24, next_hop = 100;
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
/* rte_lpm6_add: lpm == NULL */
status = rte_lpm6_add(NULL, ip, depth, next_hop);
TEST_LPM_ASSERT(status < 0);
/*Create valid lpm to use in rest of test. */
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
/* rte_lpm6_add: depth < 1 */
status = rte_lpm6_add(lpm, ip, 0, next_hop);
TEST_LPM_ASSERT(status < 0);
/* rte_lpm6_add: depth > MAX_DEPTH */
status = rte_lpm6_add(lpm, ip, (MAX_DEPTH + 1), next_hop);
TEST_LPM_ASSERT(status < 0);
rte_lpm6_free(lpm);
return PASS;
}
/*
* Check that rte_lpm6_delete fails gracefully for incorrect user input
* arguments
*/
int32_t
test5(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
uint8_t depth = 24;
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
/* rte_lpm_delete: lpm == NULL */
status = rte_lpm6_delete(NULL, ip, depth);
TEST_LPM_ASSERT(status < 0);
/*Create valid lpm to use in rest of test. */
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
/* rte_lpm_delete: depth < 1 */
status = rte_lpm6_delete(lpm, ip, 0);
TEST_LPM_ASSERT(status < 0);
/* rte_lpm_delete: depth > MAX_DEPTH */
status = rte_lpm6_delete(lpm, ip, (MAX_DEPTH + 1));
TEST_LPM_ASSERT(status < 0);
rte_lpm6_free(lpm);
return PASS;
}
/*
* Check that rte_lpm6_lookup fails gracefully for incorrect user input
* arguments
*/
int32_t
test6(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
uint32_t next_hop_return = 0;
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
/* rte_lpm6_lookup: lpm == NULL */
status = rte_lpm6_lookup(NULL, ip, &next_hop_return);
TEST_LPM_ASSERT(status < 0);
/*Create valid lpm to use in rest of test. */
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
/* rte_lpm6_lookup: ip = NULL */
status = rte_lpm6_lookup(lpm, NULL, &next_hop_return);
TEST_LPM_ASSERT(status < 0);
/* rte_lpm6_lookup: next_hop = NULL */
status = rte_lpm6_lookup(lpm, ip, NULL);
TEST_LPM_ASSERT(status < 0);
rte_lpm6_free(lpm);
return PASS;
}
/*
* Checks that rte_lpm6_lookup_bulk_func fails gracefully for incorrect user
* input arguments
*/
int32_t
test7(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip[10][16];
int32_t next_hop_return[10];
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
/* rte_lpm6_lookup: lpm == NULL */
status = rte_lpm6_lookup_bulk_func(NULL, ip, next_hop_return, 10);
TEST_LPM_ASSERT(status < 0);
/*Create valid lpm to use in rest of test. */
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
/* rte_lpm6_lookup: ip = NULL */
status = rte_lpm6_lookup_bulk_func(lpm, NULL, next_hop_return, 10);
TEST_LPM_ASSERT(status < 0);
/* rte_lpm6_lookup: next_hop = NULL */
status = rte_lpm6_lookup_bulk_func(lpm, ip, NULL, 10);
TEST_LPM_ASSERT(status < 0);
rte_lpm6_free(lpm);
return PASS;
}
/*
* Checks that rte_lpm6_delete_bulk_func fails gracefully for incorrect user
* input arguments
*/
int32_t
test8(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip[10][16];
uint8_t depth[10];
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
/* rte_lpm6_delete: lpm == NULL */
status = rte_lpm6_delete_bulk_func(NULL, ip, depth, 10);
TEST_LPM_ASSERT(status < 0);
/*Create valid lpm to use in rest of test. */
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
/* rte_lpm6_delete: ip = NULL */
status = rte_lpm6_delete_bulk_func(lpm, NULL, depth, 10);
TEST_LPM_ASSERT(status < 0);
/* rte_lpm6_delete: next_hop = NULL */
status = rte_lpm6_delete_bulk_func(lpm, ip, NULL, 10);
TEST_LPM_ASSERT(status < 0);
rte_lpm6_free(lpm);
return PASS;
}
/*
* Call add, lookup and delete for a single rule with depth < 24.
* Check all the combinations for the first three bytes that result in a hit.
* Delete the rule and check that the same test returns a miss.
*/
int32_t
test9(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
uint8_t depth = 16;
uint32_t next_hop_add = 100, next_hop_return = 0;
int32_t status = 0;
uint8_t i;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
for (i = 0; i < UINT8_MAX; i++) {
ip[2] = i;
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
}
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
for (i = 0; i < UINT8_MAX; i++) {
ip[2] = i;
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT(status == -ENOENT);
}
rte_lpm6_free(lpm);
return PASS;
}
/*
* Adds max_rules + 1 and expects a failure. Deletes a rule, then adds
* another one and expects success.
*/
int32_t
test10(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
uint8_t depth;
uint32_t next_hop_add = 100;
int32_t status = 0;
int i;
config.max_rules = 127;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
for (i = 1; i < 128; i++) {
depth = (uint8_t)i;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
}
depth = 128;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == -ENOSPC);
depth = 127;
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
depth = 128;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
rte_lpm6_free(lpm);
return PASS;
}
/*
* Creates an LPM table with a small number of tbl8s and exhaust them in the
* middle of the process of creating a rule.
*/
int32_t
test11(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
uint8_t depth;
uint32_t next_hop_add = 100;
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = 16;
config.flags = 0;
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
depth = 128;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
ip[0] = 1;
depth = 25;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
depth = 33;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
depth = 41;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
depth = 49;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == -ENOSPC);
depth = 41;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
rte_lpm6_free(lpm);
return PASS;
}
/*
* Creates an LPM table with a small number of tbl8s and exhaust them in the
* middle of the process of adding a rule when there is already an existing rule
* in that position and needs to be extended.
*/
int32_t
test12(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
uint8_t depth;
uint32_t next_hop_add = 100;
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = 16;
config.flags = 0;
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
depth = 128;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
ip[0] = 1;
depth = 41;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
depth = 49;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == -ENOSPC);
rte_lpm6_free(lpm);
return PASS;
}
/*
* Creates an LPM table with max_rules = 2 and tries to add 3 rules.
* Delete one of the rules and tries to add the third one again.
*/
int32_t
test13(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
uint8_t depth;
uint32_t next_hop_add = 100;
int32_t status = 0;
config.max_rules = 2;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
depth = 1;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
depth = 2;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
depth = 3;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == -ENOSPC);
depth = 2;
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
depth = 3;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
rte_lpm6_free(lpm);
return PASS;
}
/*
* Add 2^12 routes with different first 12 bits and depth 25.
* Add one more route with the same depth and check that results in a failure.
* After that delete the last rule and create the one that was attempted to be
* created. This checks tbl8 exhaustion.
*/
int32_t
test14(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
uint8_t depth = 25;
uint32_t next_hop_add = 100;
int32_t status = 0;
int i;
config.max_rules = MAX_RULES;
config.number_tbl8s = 256;
config.flags = 0;
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
for (i = 0; i < 256; i++) {
ip[0] = (uint8_t)i;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
}
ip[0] = 255;
ip[1] = 1;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == -ENOSPC);
ip[0] = 255;
ip[1] = 0;
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
ip[0] = 255;
ip[1] = 1;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
rte_lpm6_free(lpm);
return PASS;
}
/*
* Call add, lookup and delete for a single rule with depth = 24
*/
int32_t
test15(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
uint8_t depth = 24;
uint32_t next_hop_add = 100, next_hop_return = 0;
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT(status == -ENOENT);
rte_lpm6_free(lpm);
return PASS;
}
/*
* Call add, lookup and delete for a single rule with depth > 24
*/
int32_t
test16(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip[] = {12,12,1,0,0,0,0,0,0,0,0,0,0,0,0,0};
uint8_t depth = 128;
uint32_t next_hop_add = 100, next_hop_return = 0;
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT(status == -ENOENT);
rte_lpm6_free(lpm);
return PASS;
}
/*
* Use rte_lpm6_add to add rules which effect only the second half of the lpm
* table. Use all possible depths ranging from 1..32. Set the next hop = to the
* depth. Check lookup hit for on every add and check for lookup miss on the
* first half of the lpm table after each add. Finally delete all rules going
* backwards (i.e. from depth = 32 ..1) and carry out a lookup after each
* delete. The lookup should return the next_hop_add value related to the
* previous depth value (i.e. depth -1).
*/
int32_t
test17(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip1[] = {127,255,255,255,255,255,255,255,255,
255,255,255,255,255,255,255};
uint8_t ip2[] = {128,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
uint8_t depth;
uint32_t next_hop_add, next_hop_return;
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
/* Loop with rte_lpm6_add. */
for (depth = 1; depth <= 16; depth++) {
/* Let the next_hop_add value = depth. Just for change. */
next_hop_add = depth;
status = rte_lpm6_add(lpm, ip2, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
/* Check IP in first half of tbl24 which should be empty. */
status = rte_lpm6_lookup(lpm, ip1, &next_hop_return);
TEST_LPM_ASSERT(status == -ENOENT);
status = rte_lpm6_lookup(lpm, ip2, &next_hop_return);
TEST_LPM_ASSERT((status == 0) &&
(next_hop_return == next_hop_add));
}
/* Loop with rte_lpm6_delete. */
for (depth = 16; depth >= 1; depth--) {
next_hop_add = (depth - 1);
status = rte_lpm6_delete(lpm, ip2, depth);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip2, &next_hop_return);
if (depth != 1) {
TEST_LPM_ASSERT((status == 0) &&
(next_hop_return == next_hop_add));
}
else {
TEST_LPM_ASSERT(status == -ENOENT);
}
status = rte_lpm6_lookup(lpm, ip1, &next_hop_return);
TEST_LPM_ASSERT(status == -ENOENT);
}
rte_lpm6_free(lpm);
return PASS;
}
/*
* - Add & lookup to hit invalid TBL24 entry
* - Add & lookup to hit valid TBL24 entry not extended
* - Add & lookup to hit valid extended TBL24 entry with invalid TBL8 entry
* - Add & lookup to hit valid extended TBL24 entry with valid TBL8 entry
*/
int32_t
test18(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip[16], ip_1[16], ip_2[16];
uint8_t depth, depth_1, depth_2;
uint32_t next_hop_add, next_hop_add_1,
next_hop_add_2, next_hop_return;
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
/* Add & lookup to hit invalid TBL24 entry */
IPv6(ip, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth = 24;
next_hop_add = 100;
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT(status == -ENOENT);
rte_lpm6_delete_all(lpm);
/* Add & lookup to hit valid TBL24 entry not extended */
IPv6(ip, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth = 23;
next_hop_add = 100;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
depth = 24;
next_hop_add = 101;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
depth = 24;
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
depth = 23;
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT(status == -ENOENT);
rte_lpm6_delete_all(lpm);
/* Add & lookup to hit valid extended TBL24 entry with invalid TBL8
* entry.
*/
IPv6(ip, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth = 32;
next_hop_add = 100;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
IPv6(ip, 128, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth = 32;
next_hop_add = 101;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
IPv6(ip, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth = 32;
next_hop_add = 100;
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT(status == -ENOENT);
rte_lpm6_delete_all(lpm);
/* Add & lookup to hit valid extended TBL24 entry with valid TBL8
* entry
*/
IPv6(ip_1, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth_1 = 25;
next_hop_add_1 = 101;
IPv6(ip_2, 128, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth_2 = 32;
next_hop_add_2 = 102;
next_hop_return = 0;
status = rte_lpm6_add(lpm, ip_1, depth_1, next_hop_add_1);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip_1, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add_1));
status = rte_lpm6_add(lpm, ip_2, depth_2, next_hop_add_2);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip_2, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add_2));
status = rte_lpm6_delete(lpm, ip_2, depth_2);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip_2, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add_1));
status = rte_lpm6_delete(lpm, ip_1, depth_1);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip_1, &next_hop_return);
TEST_LPM_ASSERT(status == -ENOENT);
rte_lpm6_free(lpm);
return PASS;
}
/*
* - Add rule that covers a TBL24 range previously invalid & lookup (& delete &
* lookup)
* - Add rule that extends a TBL24 invalid entry & lookup (& delete & lookup)
* - Add rule that extends a TBL24 valid entry & lookup for both rules (&
* delete & lookup)
* - Add rule that updates the next hop in TBL24 & lookup (& delete & lookup)
* - Add rule that updates the next hop in TBL8 & lookup (& delete & lookup)
* - Delete a rule that is not present in the TBL24 & lookup
* - Delete a rule that is not present in the TBL8 & lookup
*/
int32_t
test19(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip[16];
uint8_t depth;
uint32_t next_hop_add, next_hop_return;
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
/* Add rule that covers a TBL24 range previously invalid & lookup
* (& delete & lookup)
*/
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
IPv6(ip, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth = 16;
next_hop_add = 100;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT(status == -ENOENT);
rte_lpm6_delete_all(lpm);
IPv6(ip, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth = 25;
next_hop_add = 100;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
rte_lpm6_delete_all(lpm);
/*
* Add rule that extends a TBL24 valid entry & lookup for both rules
* (& delete & lookup)
*/
IPv6(ip, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth = 24;
next_hop_add = 100;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
IPv6(ip, 128, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth = 32;
next_hop_add = 101;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
IPv6(ip, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
next_hop_add = 100;
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
IPv6(ip, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth = 24;
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT(status == -ENOENT);
IPv6(ip, 128, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth = 32;
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT(status == -ENOENT);
rte_lpm6_delete_all(lpm);
/*
* Add rule that updates the next hop in TBL24 & lookup
* (& delete & lookup)
*/
IPv6(ip, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth = 24;
next_hop_add = 100;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
next_hop_add = 101;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT(status == -ENOENT);
rte_lpm6_delete_all(lpm);
/*
* Add rule that updates the next hop in TBL8 & lookup
* (& delete & lookup)
*/
IPv6(ip, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth = 32;
next_hop_add = 100;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
next_hop_add = 101;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT(status == -ENOENT);
rte_lpm6_delete_all(lpm);
/* Delete a rule that is not present in the TBL24 & lookup */
IPv6(ip, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth = 24;
next_hop_add = 100;
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status < 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT(status == -ENOENT);
rte_lpm6_delete_all(lpm);
/* Delete a rule that is not present in the TBL8 & lookup */
IPv6(ip, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth = 32;
next_hop_add = 100;
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status < 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT(status == -ENOENT);
rte_lpm6_free(lpm);
return PASS;
}
/*
* Add two rules, lookup to hit the more specific one, lookup to hit the less
* specific one delete the less specific rule and lookup previous values again;
* add a more specific rule than the existing rule, lookup again
*/
int32_t
test20(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip[16];
uint8_t depth;
uint32_t next_hop_add, next_hop_return;
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
IPv6(ip, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth = 24;
next_hop_add = 100;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
IPv6(ip, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10);
depth = 128;
next_hop_add = 101;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
IPv6(ip, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
next_hop_add = 100;
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
IPv6(ip, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth = 24;
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT(status == -ENOENT);
IPv6(ip, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10);
depth = 128;
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT(status == -ENOENT);
rte_lpm6_free(lpm);
return PASS;
}
/*
* Adds 3 rules and look them up through the lookup_bulk function.
* Includes in the lookup a fourth IP address that won't match
* and checks that the result is as expected.
*/
int32_t
test21(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip_batch[4][16];
uint8_t depth;
uint32_t next_hop_add;
int32_t next_hop_return[4];
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
IPv6(ip_batch[0], 128, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth = 48;
next_hop_add = 100;
status = rte_lpm6_add(lpm, ip_batch[0], depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
IPv6(ip_batch[1], 128, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth = 48;
next_hop_add = 101;
status = rte_lpm6_add(lpm, ip_batch[1], depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
IPv6(ip_batch[2], 128, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth = 48;
next_hop_add = 102;
status = rte_lpm6_add(lpm, ip_batch[2], depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
IPv6(ip_batch[3], 128, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
status = rte_lpm6_lookup_bulk_func(lpm, ip_batch,
next_hop_return, 4);
TEST_LPM_ASSERT(status == 0 && next_hop_return[0] == 100
&& next_hop_return[1] == 101 && next_hop_return[2] == 102
&& next_hop_return[3] == -1);
rte_lpm6_free(lpm);
return PASS;
}
/*
* Adds 5 rules and look them up.
* Use the delete_bulk function to delete two of them. Lookup again.
* Use the delete_bulk function to delete one more. Lookup again.
* Use the delete_bulk function to delete two more, one invalid. Lookup again.
* Use the delete_bulk function to delete the remaining one. Lookup again.
*/
int32_t
test22(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip_batch[5][16];
uint8_t depth[5];
uint32_t next_hop_add;
int32_t next_hop_return[5];
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
/* Adds 5 rules and look them up */
IPv6(ip_batch[0], 128, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth[0] = 48;
next_hop_add = 101;
status = rte_lpm6_add(lpm, ip_batch[0], depth[0], next_hop_add);
TEST_LPM_ASSERT(status == 0);
IPv6(ip_batch[1], 128, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth[1] = 48;
next_hop_add = 102;
status = rte_lpm6_add(lpm, ip_batch[1], depth[1], next_hop_add);
TEST_LPM_ASSERT(status == 0);
IPv6(ip_batch[2], 128, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth[2] = 48;
next_hop_add = 103;
status = rte_lpm6_add(lpm, ip_batch[2], depth[2], next_hop_add);
TEST_LPM_ASSERT(status == 0);
IPv6(ip_batch[3], 128, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth[3] = 48;
next_hop_add = 104;
status = rte_lpm6_add(lpm, ip_batch[3], depth[3], next_hop_add);
TEST_LPM_ASSERT(status == 0);
IPv6(ip_batch[4], 128, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth[4] = 48;
next_hop_add = 105;
status = rte_lpm6_add(lpm, ip_batch[4], depth[4], next_hop_add);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup_bulk_func(lpm, ip_batch,
next_hop_return, 5);
TEST_LPM_ASSERT(status == 0 && next_hop_return[0] == 101
&& next_hop_return[1] == 102 && next_hop_return[2] == 103
&& next_hop_return[3] == 104 && next_hop_return[4] == 105);
/* Use the delete_bulk function to delete two of them. Lookup again */
status = rte_lpm6_delete_bulk_func(lpm, &ip_batch[0], depth, 2);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup_bulk_func(lpm, ip_batch,
next_hop_return, 5);
TEST_LPM_ASSERT(status == 0 && next_hop_return[0] == -1
&& next_hop_return[1] == -1 && next_hop_return[2] == 103
&& next_hop_return[3] == 104 && next_hop_return[4] == 105);
/* Use the delete_bulk function to delete one more. Lookup again */
status = rte_lpm6_delete_bulk_func(lpm, &ip_batch[2], depth, 1);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup_bulk_func(lpm, ip_batch,
next_hop_return, 5);
TEST_LPM_ASSERT(status == 0 && next_hop_return[0] == -1
&& next_hop_return[1] == -1 && next_hop_return[2] == -1
&& next_hop_return[3] == 104 && next_hop_return[4] == 105);
/* Use the delete_bulk function to delete two, one invalid. Lookup again */
IPv6(ip_batch[4], 128, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
status = rte_lpm6_delete_bulk_func(lpm, &ip_batch[3], depth, 2);
TEST_LPM_ASSERT(status == 0);
IPv6(ip_batch[4], 128, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
status = rte_lpm6_lookup_bulk_func(lpm, ip_batch,
next_hop_return, 5);
TEST_LPM_ASSERT(status == 0 && next_hop_return[0] == -1
&& next_hop_return[1] == -1 && next_hop_return[2] == -1
&& next_hop_return[3] == -1 && next_hop_return[4] == 105);
/* Use the delete_bulk function to delete the remaining one. Lookup again */
status = rte_lpm6_delete_bulk_func(lpm, &ip_batch[4], depth, 1);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup_bulk_func(lpm, ip_batch,
next_hop_return, 5);
TEST_LPM_ASSERT(status == 0 && next_hop_return[0] == -1
&& next_hop_return[1] == -1 && next_hop_return[2] == -1
&& next_hop_return[3] == -1 && next_hop_return[4] == -1);
rte_lpm6_free(lpm);
return PASS;
}
/*
* Add an extended rule (i.e. depth greater than 24, lookup (hit), delete,
* lookup (miss) in a for loop of 30 times. This will check tbl8 extension
* and contraction.
*/
int32_t
test23(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint32_t i;
uint8_t ip[16];
uint8_t depth;
uint32_t next_hop_add, next_hop_return;
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
IPv6(ip, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
depth = 128;
next_hop_add = 100;
for (i = 0; i < 30; i++) {
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) &&
(next_hop_return == next_hop_add));
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT(status == -ENOENT);
}
rte_lpm6_free(lpm);
return PASS;
}
/*
* Sequence of operations for find existing lpm table
*
* - create table
* - find existing table: hit
* - find non-existing table: miss
*/
int32_t
test24(void)
{
struct rte_lpm6 *lpm = NULL, *result = NULL;
struct rte_lpm6_config config;
config.max_rules = 256 * 32;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
/* Create lpm */
lpm = rte_lpm6_create("lpm_find_existing", SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
/* Try to find existing lpm */
result = rte_lpm6_find_existing("lpm_find_existing");
TEST_LPM_ASSERT(result == lpm);
/* Try to find non-existing lpm */
result = rte_lpm6_find_existing("lpm_find_non_existing");
TEST_LPM_ASSERT(result == NULL);
/* Cleanup. */
rte_lpm6_delete_all(lpm);
rte_lpm6_free(lpm);
return PASS;
}
/*
* Add a set of random routes with random depths.
* Lookup different IP addresses that match the routes previously added.
* Checks that the next hop is the expected one.
* The routes, IP addresses and expected result for every case have been
* precalculated by using a python script and stored in a .h file.
*/
int32_t
test25(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip[16];
uint32_t i;
uint8_t depth;
uint32_t next_hop_add, next_hop_return, next_hop_expected;
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
for (i = 0; i < 1000; i++) {
memcpy(ip, large_route_table[i].ip, 16);
depth = large_route_table[i].depth;
next_hop_add = large_route_table[i].next_hop;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
}
/* generate large IPS table and expected next_hops */
generate_large_ips_table(1);
for (i = 0; i < 100000; i++) {
memcpy(ip, large_ips_table[i].ip, 16);
next_hop_expected = large_ips_table[i].next_hop;
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) &&
(next_hop_return == next_hop_expected));
}
rte_lpm6_free(lpm);
return PASS;
}
/*
* Test for overwriting of tbl8:
* - add rule /32 and lookup
* - add new rule /24 and lookup
* - add third rule /25 and lookup
* - lookup /32 and /24 rule to ensure the table has not been overwritten.
*/
int32_t
test26(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip_10_32[] = {10, 10, 10, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
uint8_t ip_10_24[] = {10, 10, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
uint8_t ip_20_25[] = {10, 10, 20, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
uint8_t d_ip_10_32 = 32;
uint8_t d_ip_10_24 = 24;
uint8_t d_ip_20_25 = 25;
uint32_t next_hop_ip_10_32 = 100;
uint32_t next_hop_ip_10_24 = 105;
uint32_t next_hop_ip_20_25 = 111;
uint32_t next_hop_return = 0;
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
if ((status = rte_lpm6_add(lpm, ip_10_32, d_ip_10_32,
next_hop_ip_10_32)) < 0)
return -1;
status = rte_lpm6_lookup(lpm, ip_10_32, &next_hop_return);
uint32_t test_hop_10_32 = next_hop_return;
TEST_LPM_ASSERT(status == 0);
TEST_LPM_ASSERT(next_hop_return == next_hop_ip_10_32);
if ((status = rte_lpm6_add(lpm, ip_10_24, d_ip_10_24,
next_hop_ip_10_24)) < 0)
return -1;
status = rte_lpm6_lookup(lpm, ip_10_24, &next_hop_return);
uint32_t test_hop_10_24 = next_hop_return;
TEST_LPM_ASSERT(status == 0);
TEST_LPM_ASSERT(next_hop_return == next_hop_ip_10_24);
if ((status = rte_lpm6_add(lpm, ip_20_25, d_ip_20_25,
next_hop_ip_20_25)) < 0)
return -1;
status = rte_lpm6_lookup(lpm, ip_20_25, &next_hop_return);
uint32_t test_hop_20_25 = next_hop_return;
TEST_LPM_ASSERT(status == 0);
TEST_LPM_ASSERT(next_hop_return == next_hop_ip_20_25);
if (test_hop_10_32 == test_hop_10_24) {
printf("Next hop return equal\n");
return -1;
}
if (test_hop_10_24 == test_hop_20_25){
printf("Next hop return equal\n");
return -1;
}
status = rte_lpm6_lookup(lpm, ip_10_32, &next_hop_return);
TEST_LPM_ASSERT(status == 0);
TEST_LPM_ASSERT(next_hop_return == next_hop_ip_10_32);
status = rte_lpm6_lookup(lpm, ip_10_24, &next_hop_return);
TEST_LPM_ASSERT(status == 0);
TEST_LPM_ASSERT(next_hop_return == next_hop_ip_10_24);
rte_lpm6_free(lpm);
return PASS;
}
/*
* Add a rule that reaches the end of the tree.
* Add a rule that is more generic than the first one.
* Check every possible combination that produces a match for the second rule.
* This tests tbl expansion.
*/
int32_t
test27(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip[] = {128,128,128,128,128,128,128,128,128,128,128,128,128,128,0,0};
uint8_t depth = 128;
uint32_t next_hop_add = 100, next_hop_return;
int32_t status = 0;
int i, j;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
depth = 128;
next_hop_add = 128;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
depth = 112;
next_hop_add = 112;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
for (i = 0; i < 256; i++) {
ip[14] = (uint8_t)i;
for (j = 0; j < 256; j++) {
ip[15] = (uint8_t)j;
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
if (i == 0 && j == 0)
TEST_LPM_ASSERT(status == 0 && next_hop_return == 128);
else
TEST_LPM_ASSERT(status == 0 && next_hop_return == 112);
}
}
rte_lpm6_free(lpm);
return PASS;
}
/*
* Call add, lookup and delete for a single rule with maximum 21bit next_hop
* size.
* Check that next_hop returned from lookup is equal to provisioned value.
* Delete the rule and check that the same test returns a miss.
*/
int32_t
test28(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint8_t ip[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
uint8_t depth = 16;
uint32_t next_hop_add = 0x001FFFFF, next_hop_return = 0;
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
status = rte_lpm6_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
rte_lpm6_free(lpm);
return PASS;
}
/*
* Do all unit tests.
*/
static int
test_lpm6(void)
{
unsigned i;
int status = -1, global_status = 0;
for (i = 0; i < RTE_DIM(tests6); i++) {
printf("# test %02d\n", i);
status = tests6[i]();
if (status < 0) {
printf("ERROR: LPM Test %s: FAIL\n", RTE_STR(tests6[i]));
global_status = status;
}
}
return global_status;
}
#endif /* !RTE_EXEC_ENV_WINDOWS */
REGISTER_TEST_COMMAND(lpm6_autotest, test_lpm6);