Function app_acl_init

dpdk/examples/l3fwd/l3fwd_acl.c:686–736

Setup ACL context. 8< */

/* Setup ACL context. 8< */
static struct rte_acl_ctx*
app_acl_init(struct rte_acl_rule *route_base,
		struct rte_acl_rule *acl_base, unsigned int route_num,
		unsigned int acl_num, int ipv6, int socketid)
{
	char name[PATH_MAX];
	struct rte_acl_param acl_param;
	struct rte_acl_config acl_build_param;
	struct rte_acl_ctx *context;
	int dim = ipv6 ? RTE_DIM(ipv6_defs) : RTE_DIM(ipv4_defs);

	/* Create ACL contexts */
	snprintf(name, sizeof(name), "%s%d",
			ipv6 ? L3FWD_ACL_IPV6_NAME : L3FWD_ACL_IPV4_NAME,
			socketid);

	acl_param.name = name;
	acl_param.socket_id = socketid;
	acl_param.rule_size = RTE_ACL_RULE_SZ(dim);
	acl_param.max_rule_num = MAX_ACL_RULE_NUM;

	context = rte_acl_create(&acl_param);
	if (context == NULL)
		rte_exit(EXIT_FAILURE, "Failed to create ACL context\n");

	if (parm_config.alg != RTE_ACL_CLASSIFY_DEFAULT &&
			rte_acl_set_ctx_classify(context, parm_config.alg) != 0)
		rte_exit(EXIT_FAILURE,
			"Failed to setup classify method for  ACL context\n");

	if (rte_acl_add_rules(context, route_base, route_num) < 0)
		rte_exit(EXIT_FAILURE, "add rules failed\n");

	if (rte_acl_add_rules(context, acl_base, acl_num) < 0)
		rte_exit(EXIT_FAILURE, "add rules failed\n");

	/* Perform builds */
	memset(&acl_build_param, 0, sizeof(acl_build_param));

	acl_build_param.num_categories = DEFAULT_MAX_CATEGORIES;
	acl_build_param.num_fields = dim;
	memcpy(&acl_build_param.defs, ipv6 ? ipv6_defs : ipv4_defs,
		ipv6 ? sizeof(ipv6_defs) : sizeof(ipv4_defs));

	if (rte_acl_build(context, &acl_build_param) != 0)
		rte_exit(EXIT_FAILURE, "Failed to build ACL trie\n");

	rte_acl_dump(context);

	return context;
}
/* >8 End of ACL context setup. */

void