f1f7261838
A new rte_lpm_config structure is used so LPM library will allocate exactly the amount of memory which is necessary to hold application’s rules. Signed-off-by: Michal Kobylinski <michalx.kobylinski@intel.com> Acked-by: David Hunt <david.hunt@intel.com>
1452 lines
36 KiB
C
1452 lines
36 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <sys/queue.h>
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#include <rte_common.h>
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#include <rte_cycles.h>
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#include <rte_memory.h>
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#include <rte_random.h>
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#include <rte_branch_prediction.h>
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#include <rte_ip.h>
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#include <time.h>
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#include "test.h"
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#include "rte_lpm.h"
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#include "test_lpm_routes.h"
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#define TEST_LPM_ASSERT(cond) do { \
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if (!(cond)) { \
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printf("Error at line %d: \n", __LINE__); \
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return -1; \
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} \
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} while(0)
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typedef int32_t (*rte_lpm_test)(void);
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static int32_t test0(void);
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static int32_t test1(void);
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static int32_t test2(void);
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static int32_t test3(void);
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static int32_t test4(void);
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static int32_t test5(void);
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static int32_t test6(void);
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static int32_t test7(void);
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static int32_t test8(void);
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static int32_t test9(void);
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static int32_t test10(void);
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static int32_t test11(void);
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static int32_t test12(void);
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static int32_t test13(void);
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static int32_t test14(void);
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static int32_t test15(void);
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static int32_t test16(void);
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static int32_t test17(void);
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static int32_t perf_test(void);
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rte_lpm_test tests[] = {
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/* Test Cases */
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test0,
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test1,
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test2,
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test3,
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test4,
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test5,
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test6,
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test7,
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test8,
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test9,
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test10,
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test11,
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test12,
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test13,
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test14,
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test15,
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test16,
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test17,
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perf_test,
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};
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#define NUM_LPM_TESTS (sizeof(tests)/sizeof(tests[0]))
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#define MAX_DEPTH 32
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#define MAX_RULES 256
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#define NUMBER_TBL8S 256
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#define PASS 0
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/*
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* Check that rte_lpm_create fails gracefully for incorrect user input
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* arguments
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*/
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int32_t
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test0(void)
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{
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struct rte_lpm *lpm = NULL;
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struct rte_lpm_config config;
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config.max_rules = MAX_RULES;
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config.number_tbl8s = NUMBER_TBL8S;
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config.flags = 0;
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/* rte_lpm_create: lpm name == NULL */
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lpm = rte_lpm_create(NULL, SOCKET_ID_ANY, &config);
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TEST_LPM_ASSERT(lpm == NULL);
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/* rte_lpm_create: max_rules = 0 */
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/* Note: __func__ inserts the function name, in this case "test0". */
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config.max_rules = 0;
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lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
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TEST_LPM_ASSERT(lpm == NULL);
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/* socket_id < -1 is invalid */
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config.max_rules = MAX_RULES;
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lpm = rte_lpm_create(__func__, -2, &config);
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TEST_LPM_ASSERT(lpm == NULL);
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return PASS;
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}
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/*
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* Create lpm table then delete lpm table 100 times
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* Use a slightly different rules size each time
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* */
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int32_t
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test1(void)
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{
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struct rte_lpm *lpm = NULL;
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struct rte_lpm_config config;
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config.number_tbl8s = NUMBER_TBL8S;
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config.flags = 0;
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int32_t i;
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/* rte_lpm_free: Free NULL */
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for (i = 0; i < 100; i++) {
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config.max_rules = MAX_RULES - i;
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lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
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TEST_LPM_ASSERT(lpm != NULL);
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rte_lpm_free(lpm);
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}
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/* Can not test free so return success */
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return PASS;
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}
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/*
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* Call rte_lpm_free for NULL pointer user input. Note: free has no return and
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* therefore it is impossible to check for failure but this test is added to
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* increase function coverage metrics and to validate that freeing null does
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* not crash.
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*/
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int32_t
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test2(void)
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{
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struct rte_lpm *lpm = NULL;
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struct rte_lpm_config config;
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config.max_rules = MAX_RULES;
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config.number_tbl8s = NUMBER_TBL8S;
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config.flags = 0;
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lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
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TEST_LPM_ASSERT(lpm != NULL);
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rte_lpm_free(lpm);
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rte_lpm_free(NULL);
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return PASS;
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}
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/*
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* Check that rte_lpm_add fails gracefully for incorrect user input arguments
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*/
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int32_t
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test3(void)
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{
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struct rte_lpm *lpm = NULL;
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struct rte_lpm_config config;
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config.max_rules = MAX_RULES;
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config.number_tbl8s = NUMBER_TBL8S;
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config.flags = 0;
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uint32_t ip = IPv4(0, 0, 0, 0), next_hop = 100;
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uint8_t depth = 24;
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int32_t status = 0;
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/* rte_lpm_add: lpm == NULL */
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status = rte_lpm_add(NULL, ip, depth, next_hop);
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TEST_LPM_ASSERT(status < 0);
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/*Create vaild lpm to use in rest of test. */
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lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
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TEST_LPM_ASSERT(lpm != NULL);
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/* rte_lpm_add: depth < 1 */
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status = rte_lpm_add(lpm, ip, 0, next_hop);
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TEST_LPM_ASSERT(status < 0);
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/* rte_lpm_add: depth > MAX_DEPTH */
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status = rte_lpm_add(lpm, ip, (MAX_DEPTH + 1), next_hop);
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TEST_LPM_ASSERT(status < 0);
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rte_lpm_free(lpm);
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return PASS;
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}
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/*
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* Check that rte_lpm_delete fails gracefully for incorrect user input
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* arguments
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*/
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int32_t
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test4(void)
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{
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struct rte_lpm *lpm = NULL;
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struct rte_lpm_config config;
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config.max_rules = MAX_RULES;
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config.number_tbl8s = NUMBER_TBL8S;
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config.flags = 0;
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uint32_t ip = IPv4(0, 0, 0, 0);
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uint8_t depth = 24;
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int32_t status = 0;
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/* rte_lpm_delete: lpm == NULL */
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status = rte_lpm_delete(NULL, ip, depth);
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TEST_LPM_ASSERT(status < 0);
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/*Create vaild lpm to use in rest of test. */
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lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
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TEST_LPM_ASSERT(lpm != NULL);
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/* rte_lpm_delete: depth < 1 */
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status = rte_lpm_delete(lpm, ip, 0);
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TEST_LPM_ASSERT(status < 0);
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/* rte_lpm_delete: depth > MAX_DEPTH */
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status = rte_lpm_delete(lpm, ip, (MAX_DEPTH + 1));
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TEST_LPM_ASSERT(status < 0);
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rte_lpm_free(lpm);
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return PASS;
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}
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/*
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* Check that rte_lpm_lookup fails gracefully for incorrect user input
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* arguments
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*/
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int32_t
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test5(void)
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{
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#if defined(RTE_LIBRTE_LPM_DEBUG)
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struct rte_lpm *lpm = NULL;
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struct rte_lpm_config config;
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config.max_rules = MAX_RULES;
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config.number_tbl8s = NUMBER_TBL8S;
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config.flags = 0;
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uint32_t ip = IPv4(0, 0, 0, 0), next_hop_return = 0;
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int32_t status = 0;
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/* rte_lpm_lookup: lpm == NULL */
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status = rte_lpm_lookup(NULL, ip, &next_hop_return);
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TEST_LPM_ASSERT(status < 0);
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/*Create vaild lpm to use in rest of test. */
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lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
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TEST_LPM_ASSERT(lpm != NULL);
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/* rte_lpm_lookup: depth < 1 */
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status = rte_lpm_lookup(lpm, ip, NULL);
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TEST_LPM_ASSERT(status < 0);
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rte_lpm_free(lpm);
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#endif
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return PASS;
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}
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/*
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* Call add, lookup and delete for a single rule with depth <= 24
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*/
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int32_t
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test6(void)
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{
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struct rte_lpm *lpm = NULL;
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struct rte_lpm_config config;
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config.max_rules = MAX_RULES;
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config.number_tbl8s = NUMBER_TBL8S;
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config.flags = 0;
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uint32_t ip = IPv4(0, 0, 0, 0), next_hop_add = 100, next_hop_return = 0;
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uint8_t depth = 24;
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int32_t status = 0;
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lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
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TEST_LPM_ASSERT(lpm != NULL);
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status = rte_lpm_add(lpm, ip, depth, next_hop_add);
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TEST_LPM_ASSERT(status == 0);
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status = rte_lpm_lookup(lpm, ip, &next_hop_return);
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TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
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status = rte_lpm_delete(lpm, ip, depth);
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TEST_LPM_ASSERT(status == 0);
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status = rte_lpm_lookup(lpm, ip, &next_hop_return);
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TEST_LPM_ASSERT(status == -ENOENT);
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rte_lpm_free(lpm);
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return PASS;
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}
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/*
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* Call add, lookup and delete for a single rule with depth > 24
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*/
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int32_t
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test7(void)
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{
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__m128i ipx4;
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uint32_t hop[4];
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struct rte_lpm *lpm = NULL;
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struct rte_lpm_config config;
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config.max_rules = MAX_RULES;
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config.number_tbl8s = NUMBER_TBL8S;
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config.flags = 0;
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uint32_t ip = IPv4(0, 0, 0, 0), next_hop_add = 100, next_hop_return = 0;
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uint8_t depth = 32;
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int32_t status = 0;
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lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
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TEST_LPM_ASSERT(lpm != NULL);
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status = rte_lpm_add(lpm, ip, depth, next_hop_add);
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TEST_LPM_ASSERT(status == 0);
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status = rte_lpm_lookup(lpm, ip, &next_hop_return);
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TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
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ipx4 = _mm_set_epi32(ip, ip + 0x100, ip - 0x100, ip);
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rte_lpm_lookupx4(lpm, ipx4, hop, UINT32_MAX);
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TEST_LPM_ASSERT(hop[0] == next_hop_add);
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TEST_LPM_ASSERT(hop[1] == UINT32_MAX);
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TEST_LPM_ASSERT(hop[2] == UINT32_MAX);
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TEST_LPM_ASSERT(hop[3] == next_hop_add);
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status = rte_lpm_delete(lpm, ip, depth);
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TEST_LPM_ASSERT(status == 0);
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status = rte_lpm_lookup(lpm, ip, &next_hop_return);
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TEST_LPM_ASSERT(status == -ENOENT);
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rte_lpm_free(lpm);
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return PASS;
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}
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/*
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* Use rte_lpm_add to add rules which effect only the second half of the lpm
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* table. Use all possible depths ranging from 1..32. Set the next hop = to the
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* depth. Check lookup hit for on every add and check for lookup miss on the
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* first half of the lpm table after each add. Finally delete all rules going
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* backwards (i.e. from depth = 32 ..1) and carry out a lookup after each
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* delete. The lookup should return the next_hop_add value related to the
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* previous depth value (i.e. depth -1).
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*/
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int32_t
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test8(void)
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{
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__m128i ipx4;
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uint32_t hop[4];
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struct rte_lpm *lpm = NULL;
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struct rte_lpm_config config;
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config.max_rules = MAX_RULES;
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config.number_tbl8s = NUMBER_TBL8S;
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config.flags = 0;
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uint32_t ip1 = IPv4(127, 255, 255, 255), ip2 = IPv4(128, 0, 0, 0);
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uint32_t next_hop_add, next_hop_return;
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uint8_t depth;
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int32_t status = 0;
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lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
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TEST_LPM_ASSERT(lpm != NULL);
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/* Loop with rte_lpm_add. */
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for (depth = 1; depth <= 32; depth++) {
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/* Let the next_hop_add value = depth. Just for change. */
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next_hop_add = depth;
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status = rte_lpm_add(lpm, ip2, depth, next_hop_add);
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TEST_LPM_ASSERT(status == 0);
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/* Check IP in first half of tbl24 which should be empty. */
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status = rte_lpm_lookup(lpm, ip1, &next_hop_return);
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TEST_LPM_ASSERT(status == -ENOENT);
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status = rte_lpm_lookup(lpm, ip2, &next_hop_return);
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TEST_LPM_ASSERT((status == 0) &&
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(next_hop_return == next_hop_add));
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ipx4 = _mm_set_epi32(ip2, ip1, ip2, ip1);
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rte_lpm_lookupx4(lpm, ipx4, hop, UINT32_MAX);
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TEST_LPM_ASSERT(hop[0] == UINT32_MAX);
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TEST_LPM_ASSERT(hop[1] == next_hop_add);
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TEST_LPM_ASSERT(hop[2] == UINT32_MAX);
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TEST_LPM_ASSERT(hop[3] == next_hop_add);
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}
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/* Loop with rte_lpm_delete. */
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for (depth = 32; depth >= 1; depth--) {
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next_hop_add = (uint8_t) (depth - 1);
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status = rte_lpm_delete(lpm, ip2, depth);
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TEST_LPM_ASSERT(status == 0);
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status = rte_lpm_lookup(lpm, ip2, &next_hop_return);
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if (depth != 1) {
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TEST_LPM_ASSERT((status == 0) &&
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(next_hop_return == next_hop_add));
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} else {
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TEST_LPM_ASSERT(status == -ENOENT);
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}
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status = rte_lpm_lookup(lpm, ip1, &next_hop_return);
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TEST_LPM_ASSERT(status == -ENOENT);
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ipx4 = _mm_set_epi32(ip1, ip1, ip2, ip2);
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rte_lpm_lookupx4(lpm, ipx4, hop, UINT32_MAX);
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if (depth != 1) {
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TEST_LPM_ASSERT(hop[0] == next_hop_add);
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TEST_LPM_ASSERT(hop[1] == next_hop_add);
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} else {
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TEST_LPM_ASSERT(hop[0] == UINT32_MAX);
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TEST_LPM_ASSERT(hop[1] == UINT32_MAX);
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}
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TEST_LPM_ASSERT(hop[2] == UINT32_MAX);
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TEST_LPM_ASSERT(hop[3] == UINT32_MAX);
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}
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rte_lpm_free(lpm);
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return PASS;
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}
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/*
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* - Add & lookup to hit invalid TBL24 entry
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* - Add & lookup to hit valid TBL24 entry not extended
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* - Add & lookup to hit valid extended TBL24 entry with invalid TBL8 entry
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* - Add & lookup to hit valid extended TBL24 entry with valid TBL8 entry
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*
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*/
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int32_t
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test9(void)
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{
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struct rte_lpm *lpm = NULL;
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struct rte_lpm_config config;
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config.max_rules = MAX_RULES;
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config.number_tbl8s = NUMBER_TBL8S;
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|
config.flags = 0;
|
|
uint32_t ip, ip_1, ip_2;
|
|
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;
|
|
|
|
/* Add & lookup to hit invalid TBL24 entry */
|
|
ip = IPv4(128, 0, 0, 0);
|
|
depth = 24;
|
|
next_hop_add = 100;
|
|
|
|
lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
|
|
TEST_LPM_ASSERT(lpm != NULL);
|
|
|
|
status = rte_lpm_add(lpm, ip, depth, next_hop_add);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
|
|
|
|
status = rte_lpm_delete(lpm, ip, depth);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT(status == -ENOENT);
|
|
|
|
rte_lpm_delete_all(lpm);
|
|
|
|
/* Add & lookup to hit valid TBL24 entry not extended */
|
|
ip = IPv4(128, 0, 0, 0);
|
|
depth = 23;
|
|
next_hop_add = 100;
|
|
|
|
status = rte_lpm_add(lpm, ip, depth, next_hop_add);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_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_lpm_add(lpm, ip, depth, next_hop_add);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
|
|
|
|
depth = 24;
|
|
|
|
status = rte_lpm_delete(lpm, ip, depth);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
depth = 23;
|
|
|
|
status = rte_lpm_delete(lpm, ip, depth);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT(status == -ENOENT);
|
|
|
|
rte_lpm_delete_all(lpm);
|
|
|
|
/* Add & lookup to hit valid extended TBL24 entry with invalid TBL8
|
|
* entry */
|
|
ip = IPv4(128, 0, 0, 0);
|
|
depth = 32;
|
|
next_hop_add = 100;
|
|
|
|
status = rte_lpm_add(lpm, ip, depth, next_hop_add);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
|
|
|
|
ip = IPv4(128, 0, 0, 5);
|
|
depth = 32;
|
|
next_hop_add = 101;
|
|
|
|
status = rte_lpm_add(lpm, ip, depth, next_hop_add);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
|
|
|
|
status = rte_lpm_delete(lpm, ip, depth);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT(status == -ENOENT);
|
|
|
|
ip = IPv4(128, 0, 0, 0);
|
|
depth = 32;
|
|
next_hop_add = 100;
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
|
|
|
|
status = rte_lpm_delete(lpm, ip, depth);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT(status == -ENOENT);
|
|
|
|
rte_lpm_delete_all(lpm);
|
|
|
|
/* Add & lookup to hit valid extended TBL24 entry with valid TBL8
|
|
* entry */
|
|
ip_1 = IPv4(128, 0, 0, 0);
|
|
depth_1 = 25;
|
|
next_hop_add_1 = 101;
|
|
|
|
ip_2 = IPv4(128, 0, 0, 5);
|
|
depth_2 = 32;
|
|
next_hop_add_2 = 102;
|
|
|
|
next_hop_return = 0;
|
|
|
|
status = rte_lpm_add(lpm, ip_1, depth_1, next_hop_add_1);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip_1, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add_1));
|
|
|
|
status = rte_lpm_add(lpm, ip_2, depth_2, next_hop_add_2);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip_2, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add_2));
|
|
|
|
status = rte_lpm_delete(lpm, ip_2, depth_2);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip_2, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add_1));
|
|
|
|
status = rte_lpm_delete(lpm, ip_1, depth_1);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip_1, &next_hop_return);
|
|
TEST_LPM_ASSERT(status == -ENOENT);
|
|
|
|
rte_lpm_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
|
|
test10(void)
|
|
{
|
|
|
|
struct rte_lpm *lpm = NULL;
|
|
struct rte_lpm_config config;
|
|
|
|
config.max_rules = MAX_RULES;
|
|
config.number_tbl8s = NUMBER_TBL8S;
|
|
config.flags = 0;
|
|
uint32_t ip, next_hop_add, next_hop_return;
|
|
uint8_t depth;
|
|
int32_t status = 0;
|
|
|
|
/* Add rule that covers a TBL24 range previously invalid & lookup
|
|
* (& delete & lookup) */
|
|
lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
|
|
TEST_LPM_ASSERT(lpm != NULL);
|
|
|
|
ip = IPv4(128, 0, 0, 0);
|
|
depth = 16;
|
|
next_hop_add = 100;
|
|
|
|
status = rte_lpm_add(lpm, ip, depth, next_hop_add);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
|
|
|
|
status = rte_lpm_delete(lpm, ip, depth);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT(status == -ENOENT);
|
|
|
|
rte_lpm_delete_all(lpm);
|
|
|
|
ip = IPv4(128, 0, 0, 0);
|
|
depth = 25;
|
|
next_hop_add = 100;
|
|
|
|
status = rte_lpm_add(lpm, ip, depth, next_hop_add);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
|
|
|
|
status = rte_lpm_delete(lpm, ip, depth);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
rte_lpm_delete_all(lpm);
|
|
|
|
/* Add rule that extends a TBL24 valid entry & lookup for both rules
|
|
* (& delete & lookup) */
|
|
|
|
ip = IPv4(128, 0, 0, 0);
|
|
depth = 24;
|
|
next_hop_add = 100;
|
|
|
|
status = rte_lpm_add(lpm, ip, depth, next_hop_add);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
ip = IPv4(128, 0, 0, 10);
|
|
depth = 32;
|
|
next_hop_add = 101;
|
|
|
|
status = rte_lpm_add(lpm, ip, depth, next_hop_add);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
|
|
|
|
ip = IPv4(128, 0, 0, 0);
|
|
next_hop_add = 100;
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
|
|
|
|
ip = IPv4(128, 0, 0, 0);
|
|
depth = 24;
|
|
|
|
status = rte_lpm_delete(lpm, ip, depth);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT(status == -ENOENT);
|
|
|
|
ip = IPv4(128, 0, 0, 10);
|
|
depth = 32;
|
|
|
|
status = rte_lpm_delete(lpm, ip, depth);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT(status == -ENOENT);
|
|
|
|
rte_lpm_delete_all(lpm);
|
|
|
|
/* Add rule that updates the next hop in TBL24 & lookup
|
|
* (& delete & lookup) */
|
|
|
|
ip = IPv4(128, 0, 0, 0);
|
|
depth = 24;
|
|
next_hop_add = 100;
|
|
|
|
status = rte_lpm_add(lpm, ip, depth, next_hop_add);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
|
|
|
|
next_hop_add = 101;
|
|
|
|
status = rte_lpm_add(lpm, ip, depth, next_hop_add);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
|
|
|
|
status = rte_lpm_delete(lpm, ip, depth);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT(status == -ENOENT);
|
|
|
|
rte_lpm_delete_all(lpm);
|
|
|
|
/* Add rule that updates the next hop in TBL8 & lookup
|
|
* (& delete & lookup) */
|
|
|
|
ip = IPv4(128, 0, 0, 0);
|
|
depth = 32;
|
|
next_hop_add = 100;
|
|
|
|
status = rte_lpm_add(lpm, ip, depth, next_hop_add);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
|
|
|
|
next_hop_add = 101;
|
|
|
|
status = rte_lpm_add(lpm, ip, depth, next_hop_add);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
|
|
|
|
status = rte_lpm_delete(lpm, ip, depth);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT(status == -ENOENT);
|
|
|
|
rte_lpm_delete_all(lpm);
|
|
|
|
/* Delete a rule that is not present in the TBL24 & lookup */
|
|
|
|
ip = IPv4(128, 0, 0, 0);
|
|
depth = 24;
|
|
|
|
status = rte_lpm_delete(lpm, ip, depth);
|
|
TEST_LPM_ASSERT(status < 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT(status == -ENOENT);
|
|
|
|
rte_lpm_delete_all(lpm);
|
|
|
|
/* Delete a rule that is not present in the TBL8 & lookup */
|
|
|
|
ip = IPv4(128, 0, 0, 0);
|
|
depth = 32;
|
|
|
|
status = rte_lpm_delete(lpm, ip, depth);
|
|
TEST_LPM_ASSERT(status < 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT(status == -ENOENT);
|
|
|
|
rte_lpm_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
|
|
test11(void)
|
|
{
|
|
|
|
struct rte_lpm *lpm = NULL;
|
|
struct rte_lpm_config config;
|
|
|
|
config.max_rules = MAX_RULES;
|
|
config.number_tbl8s = NUMBER_TBL8S;
|
|
config.flags = 0;
|
|
uint32_t ip, next_hop_add, next_hop_return;
|
|
uint8_t depth;
|
|
int32_t status = 0;
|
|
|
|
lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
|
|
TEST_LPM_ASSERT(lpm != NULL);
|
|
|
|
ip = IPv4(128, 0, 0, 0);
|
|
depth = 24;
|
|
next_hop_add = 100;
|
|
|
|
status = rte_lpm_add(lpm, ip, depth, next_hop_add);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
ip = IPv4(128, 0, 0, 10);
|
|
depth = 32;
|
|
next_hop_add = 101;
|
|
|
|
status = rte_lpm_add(lpm, ip, depth, next_hop_add);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
|
|
|
|
ip = IPv4(128, 0, 0, 0);
|
|
next_hop_add = 100;
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
|
|
|
|
ip = IPv4(128, 0, 0, 0);
|
|
depth = 24;
|
|
|
|
status = rte_lpm_delete(lpm, ip, depth);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT(status == -ENOENT);
|
|
|
|
ip = IPv4(128, 0, 0, 10);
|
|
depth = 32;
|
|
|
|
status = rte_lpm_delete(lpm, ip, depth);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT(status == -ENOENT);
|
|
|
|
rte_lpm_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
|
|
test12(void)
|
|
{
|
|
__m128i ipx4;
|
|
uint32_t hop[4];
|
|
struct rte_lpm *lpm = NULL;
|
|
struct rte_lpm_config config;
|
|
|
|
config.max_rules = MAX_RULES;
|
|
config.number_tbl8s = NUMBER_TBL8S;
|
|
config.flags = 0;
|
|
uint32_t ip, i, next_hop_add, next_hop_return;
|
|
uint8_t depth;
|
|
int32_t status = 0;
|
|
|
|
lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
|
|
TEST_LPM_ASSERT(lpm != NULL);
|
|
|
|
ip = IPv4(128, 0, 0, 0);
|
|
depth = 32;
|
|
next_hop_add = 100;
|
|
|
|
for (i = 0; i < 1000; i++) {
|
|
status = rte_lpm_add(lpm, ip, depth, next_hop_add);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) &&
|
|
(next_hop_return == next_hop_add));
|
|
|
|
ipx4 = _mm_set_epi32(ip, ip + 1, ip, ip - 1);
|
|
rte_lpm_lookupx4(lpm, ipx4, hop, UINT32_MAX);
|
|
TEST_LPM_ASSERT(hop[0] == UINT32_MAX);
|
|
TEST_LPM_ASSERT(hop[1] == next_hop_add);
|
|
TEST_LPM_ASSERT(hop[2] == UINT32_MAX);
|
|
TEST_LPM_ASSERT(hop[3] == next_hop_add);
|
|
|
|
status = rte_lpm_delete(lpm, ip, depth);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT(status == -ENOENT);
|
|
}
|
|
|
|
rte_lpm_free(lpm);
|
|
|
|
return PASS;
|
|
}
|
|
|
|
/*
|
|
* Add a rule to tbl24, lookup (hit), then add a rule that will extend this
|
|
* tbl24 entry, lookup (hit). delete the rule that caused the tbl24 extension,
|
|
* lookup (miss) and repeat for loop of 1000 times. This will check tbl8
|
|
* extension and contraction.
|
|
*
|
|
* */
|
|
|
|
int32_t
|
|
test13(void)
|
|
{
|
|
struct rte_lpm *lpm = NULL;
|
|
struct rte_lpm_config config;
|
|
|
|
config.max_rules = MAX_RULES;
|
|
config.number_tbl8s = NUMBER_TBL8S;
|
|
config.flags = 0;
|
|
uint32_t ip, i, next_hop_add_1, next_hop_add_2, next_hop_return;
|
|
uint8_t depth;
|
|
int32_t status = 0;
|
|
|
|
lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
|
|
TEST_LPM_ASSERT(lpm != NULL);
|
|
|
|
ip = IPv4(128, 0, 0, 0);
|
|
depth = 24;
|
|
next_hop_add_1 = 100;
|
|
|
|
status = rte_lpm_add(lpm, ip, depth, next_hop_add_1);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add_1));
|
|
|
|
depth = 32;
|
|
next_hop_add_2 = 101;
|
|
|
|
for (i = 0; i < 1000; i++) {
|
|
status = rte_lpm_add(lpm, ip, depth, next_hop_add_2);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) &&
|
|
(next_hop_return == next_hop_add_2));
|
|
|
|
status = rte_lpm_delete(lpm, ip, depth);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) &&
|
|
(next_hop_return == next_hop_add_1));
|
|
}
|
|
|
|
depth = 24;
|
|
|
|
status = rte_lpm_delete(lpm, ip, depth);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT(status == -ENOENT);
|
|
|
|
rte_lpm_free(lpm);
|
|
|
|
return PASS;
|
|
}
|
|
|
|
/*
|
|
* Fore TBL8 extension exhaustion. Add 256 rules that require a tbl8 extension.
|
|
* No more tbl8 extensions will be allowed. Now add one more rule that required
|
|
* a tbl8 extension and get fail.
|
|
* */
|
|
int32_t
|
|
test14(void)
|
|
{
|
|
|
|
/* We only use depth = 32 in the loop below so we must make sure
|
|
* that we have enough storage for all rules at that depth*/
|
|
|
|
struct rte_lpm *lpm = NULL;
|
|
struct rte_lpm_config config;
|
|
|
|
config.max_rules = 256 * 32;
|
|
config.number_tbl8s = NUMBER_TBL8S;
|
|
config.flags = 0;
|
|
uint32_t ip, next_hop_add, next_hop_return;
|
|
uint8_t depth;
|
|
int32_t status = 0;
|
|
|
|
/* Add enough space for 256 rules for every depth */
|
|
lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
|
|
TEST_LPM_ASSERT(lpm != NULL);
|
|
|
|
depth = 32;
|
|
next_hop_add = 100;
|
|
ip = IPv4(0, 0, 0, 0);
|
|
|
|
/* Add 256 rules that require a tbl8 extension */
|
|
for (; ip <= IPv4(0, 0, 255, 0); ip += 256) {
|
|
status = rte_lpm_add(lpm, ip, depth, next_hop_add);
|
|
TEST_LPM_ASSERT(status == 0);
|
|
|
|
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
|
|
TEST_LPM_ASSERT((status == 0) &&
|
|
(next_hop_return == next_hop_add));
|
|
}
|
|
|
|
/* All tbl8 extensions have been used above. Try to add one more and
|
|
* we get a fail */
|
|
ip = IPv4(1, 0, 0, 0);
|
|
depth = 32;
|
|
|
|
status = rte_lpm_add(lpm, ip, depth, next_hop_add);
|
|
TEST_LPM_ASSERT(status < 0);
|
|
|
|
rte_lpm_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
|
|
test15(void)
|
|
{
|
|
struct rte_lpm *lpm = NULL, *result = NULL;
|
|
struct rte_lpm_config config;
|
|
|
|
config.max_rules = 256 * 32;
|
|
config.number_tbl8s = NUMBER_TBL8S;
|
|
config.flags = 0;
|
|
|
|
/* Create lpm */
|
|
lpm = rte_lpm_create("lpm_find_existing", SOCKET_ID_ANY, &config);
|
|
TEST_LPM_ASSERT(lpm != NULL);
|
|
|
|
/* Try to find existing lpm */
|
|
result = rte_lpm_find_existing("lpm_find_existing");
|
|
TEST_LPM_ASSERT(result == lpm);
|
|
|
|
/* Try to find non-existing lpm */
|
|
result = rte_lpm_find_existing("lpm_find_non_existing");
|
|
TEST_LPM_ASSERT(result == NULL);
|
|
|
|
/* Cleanup. */
|
|
rte_lpm_delete_all(lpm);
|
|
rte_lpm_free(lpm);
|
|
|
|
return PASS;
|
|
}
|
|
|
|
/*
|
|
* test failure condition of overloading the tbl8 so no more will fit
|
|
* Check we get an error return value in that case
|
|
*/
|
|
int32_t
|
|
test16(void)
|
|
{
|
|
uint32_t ip;
|
|
struct rte_lpm_config config;
|
|
|
|
config.max_rules = 256 * 32;
|
|
config.number_tbl8s = NUMBER_TBL8S;
|
|
config.flags = 0;
|
|
struct rte_lpm *lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
|
|
|
|
/* ip loops through all possibilities for top 24 bits of address */
|
|
for (ip = 0; ip < 0xFFFFFF; ip++) {
|
|
/* add an entry within a different tbl8 each time, since
|
|
* depth >24 and the top 24 bits are different */
|
|
if (rte_lpm_add(lpm, (ip << 8) + 0xF0, 30, 0) < 0)
|
|
break;
|
|
}
|
|
|
|
if (ip != NUMBER_TBL8S) {
|
|
printf("Error, unexpected failure with filling tbl8 groups\n");
|
|
printf("Failed after %u additions, expected after %u\n",
|
|
(unsigned)ip, (unsigned)NUMBER_TBL8S);
|
|
}
|
|
|
|
rte_lpm_free(lpm);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* 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
|
|
test17(void)
|
|
{
|
|
struct rte_lpm *lpm = NULL;
|
|
struct rte_lpm_config config;
|
|
|
|
config.max_rules = MAX_RULES;
|
|
config.number_tbl8s = NUMBER_TBL8S;
|
|
config.flags = 0;
|
|
const uint32_t ip_10_32 = IPv4(10, 10, 10, 2);
|
|
const uint32_t ip_10_24 = IPv4(10, 10, 10, 0);
|
|
const uint32_t ip_20_25 = IPv4(10, 10, 20, 2);
|
|
const uint8_t d_ip_10_32 = 32,
|
|
d_ip_10_24 = 24,
|
|
d_ip_20_25 = 25;
|
|
const uint32_t next_hop_ip_10_32 = 100,
|
|
next_hop_ip_10_24 = 105,
|
|
next_hop_ip_20_25 = 111;
|
|
uint32_t next_hop_return = 0;
|
|
int32_t status = 0;
|
|
|
|
lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
|
|
TEST_LPM_ASSERT(lpm != NULL);
|
|
|
|
if ((status = rte_lpm_add(lpm, ip_10_32, d_ip_10_32,
|
|
next_hop_ip_10_32)) < 0)
|
|
return -1;
|
|
|
|
status = rte_lpm_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_lpm_add(lpm, ip_10_24, d_ip_10_24,
|
|
next_hop_ip_10_24)) < 0)
|
|
return -1;
|
|
|
|
status = rte_lpm_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_lpm_add(lpm, ip_20_25, d_ip_20_25,
|
|
next_hop_ip_20_25)) < 0)
|
|
return -1;
|
|
|
|
status = rte_lpm_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_lpm_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_lpm_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_lpm_free(lpm);
|
|
|
|
return PASS;
|
|
}
|
|
|
|
/*
|
|
* Lookup performance test
|
|
*/
|
|
|
|
#define ITERATIONS (1 << 10)
|
|
#define BATCH_SIZE (1 << 12)
|
|
#define BULK_SIZE 32
|
|
|
|
static void
|
|
print_route_distribution(const struct route_rule *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 <= 32; 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_lpm *lpm = NULL;
|
|
struct rte_lpm_config config;
|
|
|
|
config.max_rules = 1000000;
|
|
config.number_tbl8s = NUMBER_TBL8S;
|
|
config.flags = 0;
|
|
uint64_t begin, total_time, lpm_used_entries = 0;
|
|
unsigned i, j;
|
|
uint32_t next_hop_add = 0xAA, next_hop_return = 0;
|
|
int status = 0;
|
|
uint64_t cache_line_counter = 0;
|
|
int64_t count = 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_lpm_create(__func__, SOCKET_ID_ANY, &config);
|
|
TEST_LPM_ASSERT(lpm != NULL);
|
|
|
|
/* Measue add. */
|
|
begin = rte_rdtsc();
|
|
|
|
for (i = 0; i < NUM_ROUTE_ENTRIES; i++) {
|
|
if (rte_lpm_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);
|
|
/* Obtain add statistics. */
|
|
for (i = 0; i < RTE_LPM_TBL24_NUM_ENTRIES; i++) {
|
|
if (lpm->tbl24[i].valid)
|
|
lpm_used_entries++;
|
|
|
|
if (i % 32 == 0) {
|
|
if ((uint64_t)count < lpm_used_entries) {
|
|
cache_line_counter++;
|
|
count = lpm_used_entries;
|
|
}
|
|
}
|
|
}
|
|
|
|
printf("Used table 24 entries = %u (%g%%)\n",
|
|
(unsigned) lpm_used_entries,
|
|
(lpm_used_entries * 100.0) / RTE_LPM_TBL24_NUM_ENTRIES);
|
|
printf("64 byte Cache entries used = %u (%u bytes)\n",
|
|
(unsigned) cache_line_counter, (unsigned) cache_line_counter * 64);
|
|
|
|
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++) {
|
|
static uint32_t ip_batch[BATCH_SIZE];
|
|
|
|
for (j = 0; j < BATCH_SIZE; j++)
|
|
ip_batch[j] = rte_rand();
|
|
|
|
/* Lookup per batch */
|
|
begin = rte_rdtsc();
|
|
|
|
for (j = 0; j < BATCH_SIZE; j++) {
|
|
if (rte_lpm_lookup(lpm, ip_batch[j], &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;
|
|
for (i = 0; i < ITERATIONS; i++) {
|
|
static uint32_t ip_batch[BATCH_SIZE];
|
|
uint32_t next_hops[BULK_SIZE];
|
|
|
|
/* Create array of random IP addresses */
|
|
for (j = 0; j < BATCH_SIZE; j++)
|
|
ip_batch[j] = rte_rand();
|
|
|
|
/* Lookup per batch */
|
|
begin = rte_rdtsc();
|
|
for (j = 0; j < BATCH_SIZE; j += BULK_SIZE) {
|
|
unsigned k;
|
|
rte_lpm_lookup_bulk(lpm, &ip_batch[j], next_hops, BULK_SIZE);
|
|
for (k = 0; k < BULK_SIZE; k++)
|
|
if (unlikely(!(next_hops[k] & RTE_LPM_LOOKUP_SUCCESS)))
|
|
count++;
|
|
}
|
|
|
|
total_time += rte_rdtsc() - begin;
|
|
}
|
|
printf("BULK LPM Lookup: %.1f cycles (fails = %.1f%%)\n",
|
|
(double)total_time / ((double)ITERATIONS * BATCH_SIZE),
|
|
(count * 100.0) / (double)(ITERATIONS * BATCH_SIZE));
|
|
|
|
/* Measure LookupX4 */
|
|
total_time = 0;
|
|
count = 0;
|
|
for (i = 0; i < ITERATIONS; i++) {
|
|
static uint32_t ip_batch[BATCH_SIZE];
|
|
uint32_t next_hops[4];
|
|
|
|
/* Create array of random IP addresses */
|
|
for (j = 0; j < BATCH_SIZE; j++)
|
|
ip_batch[j] = rte_rand();
|
|
|
|
/* Lookup per batch */
|
|
begin = rte_rdtsc();
|
|
for (j = 0; j < BATCH_SIZE; j += RTE_DIM(next_hops)) {
|
|
unsigned k;
|
|
__m128i ipx4;
|
|
|
|
ipx4 = _mm_loadu_si128((__m128i *)(ip_batch + j));
|
|
ipx4 = *(__m128i *)(ip_batch + j);
|
|
rte_lpm_lookupx4(lpm, ipx4, next_hops, UINT32_MAX);
|
|
for (k = 0; k < RTE_DIM(next_hops); k++)
|
|
if (unlikely(next_hops[k] == UINT32_MAX))
|
|
count++;
|
|
}
|
|
|
|
total_time += rte_rdtsc() - begin;
|
|
}
|
|
printf("LPM LookupX4: %.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_lpm_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_lpm_delete_all(lpm);
|
|
rte_lpm_free(lpm);
|
|
|
|
return PASS;
|
|
}
|
|
|
|
/*
|
|
* Do all unit and performance tests.
|
|
*/
|
|
|
|
static int
|
|
test_lpm(void)
|
|
{
|
|
unsigned i;
|
|
int status, global_status = 0;
|
|
|
|
for (i = 0; i < NUM_LPM_TESTS; i++) {
|
|
status = tests[i]();
|
|
if (status < 0) {
|
|
printf("ERROR: LPM Test %s: FAIL\n", RTE_STR(tests[i]));
|
|
global_status = status;
|
|
}
|
|
}
|
|
|
|
return global_status;
|
|
}
|
|
|
|
static struct test_command lpm_cmd = {
|
|
.command = "lpm_autotest",
|
|
.callback = test_lpm,
|
|
};
|
|
REGISTER_TEST_COMMAND(lpm_cmd);
|