Function setup_lpm

dpdk/examples/l3fwd/l3fwd_lpm.c:559–655

#endif

void
setup_lpm(const int socketid)
{
	struct rte_eth_dev_info dev_info;
	struct rte_lpm6_config config;
	struct rte_lpm_config config_ipv4;
	int i;
	int ret;
	char s[64];
	char abuf[INET6_ADDRSTRLEN];

	/* create the LPM table */
	config_ipv4.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
	config_ipv4.number_tbl8s = IPV4_L3FWD_LPM_NUMBER_TBL8S;
	config_ipv4.flags = 0;
	snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
	ipv4_l3fwd_lpm_lookup_struct[socketid] =
			rte_lpm_create(s, socketid, &config_ipv4);
	if (ipv4_l3fwd_lpm_lookup_struct[socketid] == NULL)
		rte_exit(EXIT_FAILURE,
			"Unable to create the l3fwd LPM table on socket %d\n",
			socketid);

	/* populate the LPM table */
	for (i = 0; i < route_num_v4; i++) {
		struct in_addr in;

		/* skip unused ports */
		if ((1 << route_base_v4[i].if_out &
				enabled_port_mask) == 0)
			continue;

		rte_eth_dev_info_get(route_base_v4[i].if_out,
				     &dev_info);
		ret = rte_lpm_add(ipv4_l3fwd_lpm_lookup_struct[socketid],
			route_base_v4[i].ip,
			route_base_v4[i].depth,
			route_base_v4[i].if_out);

		if (ret < 0) {
			lpm_free_routes();
			rte_exit(EXIT_FAILURE,
				"Unable to add entry %u to the l3fwd LPM table on socket %d\n",
				i, socketid);
		}

		in.s_addr = htonl(route_base_v4[i].ip);
		printf("LPM: Adding route %s / %d (%d) [%s]\n",
		       inet_ntop(AF_INET, &in, abuf, sizeof(abuf)),
		       route_base_v4[i].depth,
		       route_base_v4[i].if_out, rte_dev_name(dev_info.device));
	}

	/* create the LPM6 table */
	snprintf(s, sizeof(s), "IPV6_L3FWD_LPM_%d", socketid);

	config.max_rules = IPV6_L3FWD_LPM_MAX_RULES;
	config.number_tbl8s = IPV6_L3FWD_LPM_NUMBER_TBL8S;