numam-dpdk/app/test/test_lpm6.c
David Marchand 7822c43aba app/test: only build what has been selected in config
Avoid building tests if their counterparts are not selected in config.
This has the nice side effect of fixing build errors when disabling parts of
the dpdk.

Signed-off-by: David Marchand <david.marchand@6wind.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
2014-08-26 17:52:34 +02:00

1926 lines
49 KiB
C

/*-
* BSD LICENSE
*
* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/queue.h>
#include <time.h>
#include "test.h"
#include <rte_common.h>
#include <rte_cycles.h>
#include <rte_memory.h>
#include <rte_random.h>
#include <rte_branch_prediction.h>
#include <rte_ip.h>
#include "rte_lpm6.h"
#include "test_lpm6_routes.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 perf_test(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,
perf_test,
};
#define NUM_LPM6_TESTS (sizeof(tests6)/sizeof(tests6[0]))
#define RTE_LPM6_TBL24_NUM_ENTRIES (1 << 24)
#define RTE_LPM6_LOOKUP_SUCCESS 0x04000000
#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 == lpm1);
rte_lpm6_free(lpm1);
rte_lpm6_free(lpm2);
return PASS;
}
/*
* Create lpm table then delete lpm table 100 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 < 100; 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 vaild 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 vaild 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};
uint8_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 vaild 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];
int16_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 vaild 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 vaild 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 returs 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, 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, 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, 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, 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, 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 2^16 routes with different first 16 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, next_hop_add = 100;
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);
for (i = 0; i < 256; i++) {
ip[0] = (uint8_t)i;
for (j = 0; j < 256; j++) {
ip[1] = (uint8_t)j;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
}
}
ip[0] = 255;
ip[1] = 255;
ip[2] = 1;
status = rte_lpm6_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == -ENOSPC);
ip[0] = 255;
ip[1] = 255;
ip[2] = 0;
status = rte_lpm6_delete(lpm, ip, depth);
TEST_LPM_ASSERT(status == 0);
ip[0] = 255;
ip[1] = 255;
ip[2] = 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, 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, 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, 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 <= 128; 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 = 128; depth >= 1; depth--) {
next_hop_add = (uint8_t) (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, 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, 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, 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, next_hop_add;
int16_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], next_hop_add;
int16_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 1000 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, 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 < 1000; 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, 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);
}
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;
uint8_t next_hop_ip_10_32 = 100;
uint8_t next_hop_ip_10_24 = 105;
uint8_t next_hop_ip_20_25 = 111;
uint8_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);
uint8_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);
uint8_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);
uint8_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, 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;
}
/*
* Lookup performance test
*/
#define ITERATIONS (1 << 10)
#define BATCH_SIZE 100000
static void
print_route_distribution(const struct rules_tbl_entry *table, uint32_t n)
{
unsigned i, j;
printf("Route distribution per prefix width: \n");
printf("DEPTH QUANTITY (PERCENT)\n");
printf("--------------------------- \n");
/* Count depths. */
for(i = 1; i <= 128; i++) {
unsigned depth_counter = 0;
double percent_hits;
for (j = 0; j < n; j++)
if (table[j].depth == (uint8_t) i)
depth_counter++;
percent_hits = ((double)depth_counter)/((double)n) * 100;
printf("%.2u%15u (%.2f)\n", i, depth_counter, percent_hits);
}
printf("\n");
}
int32_t
perf_test(void)
{
struct rte_lpm6 *lpm = NULL;
struct rte_lpm6_config config;
uint64_t begin, total_time;
unsigned i, j;
uint8_t next_hop_add = 0xAA, next_hop_return = 0;
int status = 0;
int64_t count = 0;
config.max_rules = 1000000;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
rte_srand(rte_rdtsc());
printf("No. routes = %u\n", (unsigned) NUM_ROUTE_ENTRIES);
print_route_distribution(large_route_table, (uint32_t) NUM_ROUTE_ENTRIES);
lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
/* Measure add. */
begin = rte_rdtsc();
for (i = 0; i < NUM_ROUTE_ENTRIES; i++) {
if (rte_lpm6_add(lpm, large_route_table[i].ip,
large_route_table[i].depth, next_hop_add) == 0)
status++;
}
/* End Timer. */
total_time = rte_rdtsc() - begin;
printf("Unique added entries = %d\n", status);
printf("Average LPM Add: %g cycles\n",
(double)total_time / NUM_ROUTE_ENTRIES);
/* Measure single Lookup */
total_time = 0;
count = 0;
for (i = 0; i < ITERATIONS; i ++) {
begin = rte_rdtsc();
for (j = 0; j < NUM_IPS_ENTRIES; j ++) {
if (rte_lpm6_lookup(lpm, large_ips_table[j].ip,
&next_hop_return) != 0)
count++;
}
total_time += rte_rdtsc() - begin;
}
printf("Average LPM Lookup: %.1f cycles (fails = %.1f%%)\n",
(double)total_time / ((double)ITERATIONS * BATCH_SIZE),
(count * 100.0) / (double)(ITERATIONS * BATCH_SIZE));
/* Measure bulk Lookup */
total_time = 0;
count = 0;
uint8_t ip_batch[NUM_IPS_ENTRIES][16];
int16_t next_hops[NUM_IPS_ENTRIES];
for (i = 0; i < NUM_IPS_ENTRIES; i++)
memcpy(ip_batch[i], large_ips_table[i].ip, 16);
for (i = 0; i < ITERATIONS; i ++) {
/* Lookup per batch */
begin = rte_rdtsc();
rte_lpm6_lookup_bulk_func(lpm, ip_batch, next_hops, NUM_IPS_ENTRIES);
total_time += rte_rdtsc() - begin;
for (j = 0; j < NUM_IPS_ENTRIES; j++)
if (next_hops[j] < 0)
count++;
}
printf("BULK LPM Lookup: %.1f cycles (fails = %.1f%%)\n",
(double)total_time / ((double)ITERATIONS * BATCH_SIZE),
(count * 100.0) / (double)(ITERATIONS * BATCH_SIZE));
/* Delete */
status = 0;
begin = rte_rdtsc();
for (i = 0; i < NUM_ROUTE_ENTRIES; i++) {
/* rte_lpm_delete(lpm, ip, depth) */
status += rte_lpm6_delete(lpm, large_route_table[i].ip,
large_route_table[i].depth);
}
total_time += rte_rdtsc() - begin;
printf("Average LPM Delete: %g cycles\n",
(double)total_time / NUM_ROUTE_ENTRIES);
rte_lpm6_delete_all(lpm);
rte_lpm6_free(lpm);
return PASS;
}
/*
* Do all unit and performance tests.
*/
static int
test_lpm6(void)
{
unsigned i;
int status = -1, global_status = 0;
for (i = 0; i < NUM_LPM6_TESTS; i++) {
status = tests6[i]();
if (status < 0) {
printf("ERROR: LPM Test %s: FAIL\n", RTE_STR(tests6[i]));
global_status = status;
}
}
return global_status;
}
static struct test_command lpm6_cmd = {
.command = "lpm6_autotest",
.callback = test_lpm6,
};
REGISTER_TEST_COMMAND(lpm6_cmd);