/*
* 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;
}
/*
* 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_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
*/
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;
}
/*
* 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;
}
/*
* 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;
}
/*
* 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;
}
/*
* 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;
}
/*
* 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;
}
/*
* 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;
}
/*
* 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;
}
static int
rte_table_lpm_ipv6_free(void *table)
{
struct rte_table_lpm_ipv6 *lpm = (struct rte_table_lpm_ipv6 *) table;
/* Check input parameters */
if (lpm == NULL) {
RTE_LOG(ERR, TABLE, "%s: table parameter is NULL\n", __func__);
return -EINVAL;
}
/* Free previously allocated resources */
rte_lpm6_free(lpm->lpm);
rte_free(lpm);
return 0;
}
/*
* 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;
}
/*
* 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;
}
/*
* 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;
}
/*
* 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;
}
/*
* - 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 & 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;
}
/*
* 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;
}
/*
* 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;
}
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;
}