コード例 #1
0
ファイル: test_lpm6.c プロジェクト: RIFTIO/RIFT.ware
/*
 * 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;
}
コード例 #2
0
ファイル: test_lpm6.c プロジェクト: RIFTIO/RIFT.ware
/*
 * 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;
}
コード例 #3
0
ファイル: test_lpm6.c プロジェクト: RIFTIO/RIFT.ware
/*
 * 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;
}
コード例 #4
0
ファイル: test_lpm6.c プロジェクト: RIFTIO/RIFT.ware
/*
 * 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;
}
コード例 #5
0
static int
rate_limit_ipv6(cmdline_ipaddr_t* ip, uint32_t num, int socket_id)
{
	static uint8_t next_hop_count[NB_SOCKETS] = {0};
	uint16_t next_hop = 0;

	// store the rule so it can applied once
	// it is added if it is not already

	// check if this address is already stored
	for (next_hop = 0; next_hop < NEI_NUM_ENTRIES; next_hop++) {
		// if addresses match
		if (!memcmp(&rlimit6_lookup_table[socket_id][next_hop].addr,
			    &ip->addr.ipv6, sizeof(struct in6_addr))) {
			break;
		}
	}

	// otherwise try to allocate new slot for storage
	if (next_hop == NEI_NUM_ENTRIES) {
		// no more slot available
		if (next_hop_count[socket_id] == NEI_NUM_ENTRIES - 1) {
			return -1;
		}

		next_hop = next_hop_count[socket_id]++;
	}

	rte_memcpy(&rlimit6_lookup_table[socket_id][next_hop].addr,
		   &ip->addr.ipv6, sizeof(struct in6_addr));
	rlimit6_lookup_table[socket_id][next_hop].num = num;

	if (rte_lpm6_lookup(ipv6_pktj_lookup_struct[socket_id],
			    ip->addr.ipv6.s6_addr, (uint8_t*)&next_hop) == 0) {
		// set the max packet rate for this neighbor
		rlimit6_max[socket_id][next_hop] = num;
	}

	return 0;
}
コード例 #6
0
ファイル: rte_table_lpm_ipv6.c プロジェクト: Leon555/dpdk
static int
rte_table_lpm_ipv6_lookup(
	void *table,
	struct rte_mbuf **pkts,
	uint64_t pkts_mask,
	uint64_t *lookup_hit_mask,
	void **entries)
{
	struct rte_table_lpm_ipv6 *lpm = (struct rte_table_lpm_ipv6 *) table;
	uint64_t pkts_out_mask = 0;
	uint32_t i;

	__rte_unused uint32_t n_pkts_in = __builtin_popcountll(pkts_mask);
	RTE_TABLE_LPM_IPV6_STATS_PKTS_IN_ADD(lpm, n_pkts_in);

	pkts_out_mask = 0;
	for (i = 0; i < (uint32_t)(RTE_PORT_IN_BURST_SIZE_MAX -
		__builtin_clzll(pkts_mask)); i++) {
		uint64_t pkt_mask = 1LLU << i;

		if (pkt_mask & pkts_mask) {
			struct rte_mbuf *pkt = pkts[i];
			uint8_t *ip = RTE_MBUF_METADATA_UINT8_PTR(pkt,
				lpm->offset);
			int status;
			uint32_t nht_pos;

			status = rte_lpm6_lookup(lpm->lpm, ip, &nht_pos);
			if (status == 0) {
				pkts_out_mask |= pkt_mask;
				entries[i] = (void *) &lpm->nht[nht_pos *
					lpm->entry_size];
			}
		}
	}

	*lookup_hit_mask = pkts_out_mask;
	RTE_TABLE_LPM_IPV6_STATS_PKTS_LOOKUP_MISS(lpm, n_pkts_in - __builtin_popcountll(pkts_out_mask));
	return 0;
}
コード例 #7
0
ファイル: test_lpm6.c プロジェクト: RIFTIO/RIFT.ware
/*
 * 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;
}
コード例 #8
0
ファイル: control.c プロジェクト: fousti/packet-journey
static int
neighbor6(neighbor_action_t action,
	  int32_t port_id,
	  struct in6_addr* addr,
	  struct ether_addr* lladdr,
	  uint8_t flags,
	  __rte_unused uint16_t vlan_id,
	  void* args)
{
	// if port_id is not handled
	//   ignore, return immediatly
	// if neighbor add
	//   lookup neighbor
	//   if exists
	//     update lladdr, set flag as REACHABLE/STALE/DELAY
	//   else
	//     // This should not happen
	//     insert new nexthop
	//     set insert date=now, refcount = 0, flag=REACHABLE/STALE/DELAY
	// if neighbor delete
	//   lookup neighbor
	//   if exists
	//     if refcount != 0
	//       set nexthop as invalid
	//     else
	//       set flag empty
	//   else
	//     do nothing
	//     // this should not happen

	struct control_handle* handle = args;
	assert(handle != NULL);
	int s;
	uint16_t nexthop_id, find_id;
	int32_t socket_id = handle->socket_id;
	char ipbuf[INET6_ADDRSTRLEN];

	assert(neighbor6_struct != NULL);

	if (addr == NULL)
		return -1;
	inet_ntop(AF_INET6, addr, ipbuf, INET6_ADDRSTRLEN);

	if (action == NEIGHBOR_ADD) {
		if (lladdr == NULL)
			return -1;
		char ibuf[IFNAMSIZ];
		unsigned kni_vlan;

		if_indextoname(port_id, ibuf);
		s = sscanf(ibuf, "dpdk%10u.%10u", &port_id, &kni_vlan);

		if (s <= 0) {
			RTE_LOG(ERR, PKTJ_CTRL1,
				"received a neighbor "
				"announce for an unmanaged "
				"iface %s\n",
				ibuf);
			return -1;
		}

		s = neighbor6_lookup_nexthop(neighbor6_struct[socket_id], addr,
					     &nexthop_id);
		if (s < 0) {
			if (flags != NUD_NONE && flags != NUD_NOARP &&
			    flags != NUD_STALE) {
				RTE_LOG(ERR, PKTJ_CTRL1,
					"failed to change state in neighbor6 "
					"table (state %d, %s)...\n",
					flags, ipbuf);
				return -1;
			}

			{
				RTE_LOG(
				    DEBUG, PKTJ_CTRL1,
				    "adding ipv6 neighbor %s with port_id %d "
				    "vlan_id %d...\n",
				    ipbuf, port_id, kni_vlan);
			}

			s = neighbor6_add_nexthop(neighbor6_struct[socket_id],
						  addr, &nexthop_id,
						  NEI_ACTION_FWD);
			if (s < 0) {
				RTE_LOG(ERR, PKTJ_CTRL1,
					"failed to add a "
					"nexthop in neighbor "
					"table...\n");
				return -1;
			}

			// apply rate limit rule if next hop neighbor is in the
			// table
			apply_rate_limit_ipv6(addr, nexthop_id, socket_id);

			if (rte_lpm6_lookup(ipv6_pktj_lookup_struct[socket_id],
					    addr->s6_addr, &find_id) == 0) {
				s = rte_lpm6_add(
				    ipv6_pktj_lookup_struct[socket_id],
				    addr->s6_addr, 128, nexthop_id);
				if (s < 0) {
					lpm6_stats[socket_id].nb_add_ko++;
					RTE_LOG(ERR, PKTJ_CTRL1,
						"failed to add a route in "
						"lpm during neighbor "
						"adding...\n");
					return -1;
				}
				lpm6_stats[socket_id].nb_add_ok++;
			}
		}

		if (flags == NUD_FAILED) {
			neighbor6_set_action(neighbor6_struct[socket_id],
					     nexthop_id, NEI_ACTION_KNI);
		} else {
			neighbor6_set_action(neighbor6_struct[socket_id],
					     nexthop_id, NEI_ACTION_FWD);
		}
		RTE_LOG(DEBUG, PKTJ_CTRL1,
			"set neighbor6 with port_id %d state %d \n", port_id,
			flags);
		neighbor6_set_lladdr_port(neighbor6_struct[socket_id],
					  nexthop_id, &ports_eth_addr[port_id],
					  lladdr, port_id, kni_vlan);
		neighbor6_set_state(neighbor6_struct[socket_id], nexthop_id,
				    flags);
	}
	if (action == NEIGHBOR_DELETE) {
		if (flags != NUD_FAILED && flags != NUD_STALE) {
			RTE_LOG(
			    DEBUG, PKTJ_CTRL1,
			    "neighbor6 delete ope failed, bad NUD state: %d \n",
			    flags);
			return -1;
		}

		RTE_LOG(DEBUG, PKTJ_CTRL1, "deleting ipv6 neighbor...\n");
		s = neighbor6_lookup_nexthop(neighbor6_struct[socket_id], addr,
					     &nexthop_id);
		if (s < 0) {
			RTE_LOG(ERR, PKTJ_CTRL1,
				"failed to find a nexthop to "
				"delete in neighbor "
				"table...\n");
			return 0;
		}
		neighbor6_delete(neighbor6_struct[socket_id], nexthop_id);
		// FIXME not thread safe
		if (neighbor6_struct[socket_id]
			->entries.t6[nexthop_id]
			.neighbor.refcnt == 0) {
			s = rte_lpm6_delete(ipv6_pktj_lookup_struct[socket_id],
					    addr->s6_addr, 128);
			if (s < 0) {
				lpm6_stats[socket_id].nb_del_ko++;
				RTE_LOG(ERR, PKTJ_CTRL1,
					"failed to delete route...\n");
				return -1;
			}

			// reset rate limit for this id
			rlimit6_max[socket_id][nexthop_id] = UINT32_MAX;

			lpm6_stats[socket_id].nb_del_ok++;
		}
	}
	RTE_LOG(DEBUG, PKTJ_CTRL1, "neigh %s ope success\n", ipbuf);
	return 0;
}
コード例 #9
0
ファイル: test_lpm6.c プロジェクト: RIFTIO/RIFT.ware
/*
 * - 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;
}
コード例 #10
0
ファイル: test_lpm6.c プロジェクト: RIFTIO/RIFT.ware
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;
}
コード例 #11
0
ファイル: test_lpm6.c プロジェクト: RIFTIO/RIFT.ware
/*
 * 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;
}
コード例 #12
0
ファイル: test_lpm6.c プロジェクト: RIFTIO/RIFT.ware
/*
 * - 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;
}