Function match_check

dpdk/examples/ip_pipeline/thread.c:1018–1087

}

static int
match_check(struct table_rule_match *match,
	struct pipeline *p,
	uint32_t table_id)
{
	struct table *table;

	if ((match == NULL) ||
		(p == NULL) ||
		(table_id >= p->n_tables))
		return -1;

	table = &p->table[table_id];
	if (match->match_type != table->params.match_type)
		return -1;

	switch (match->match_type) {
	case TABLE_ACL:
	{
		struct table_acl_params *t = &table->params.match.acl;
		struct table_rule_match_acl *r = &match->match.acl;

		if ((r->ip_version && (t->ip_version == 0)) ||
			((r->ip_version == 0) && t->ip_version))
			return -1;

		if (r->ip_version) {
			if ((r->sa_depth > 32) ||
				(r->da_depth > 32))
				return -1;
		} else {
			if ((r->sa_depth > 128) ||
				(r->da_depth > 128))
				return -1;
		}
		return 0;
	}

	case TABLE_ARRAY:
		return 0;

	case TABLE_HASH:
		return 0;

	case TABLE_LPM:
	{
		struct table_lpm_params *t = &table->params.match.lpm;
		struct table_rule_match_lpm *r = &match->match.lpm;

		if ((r->ip_version && (t->key_size != 4)) ||
			((r->ip_version == 0) && (t->key_size != 16)))
			return -1;

		if (r->ip_version) {
			if (r->depth > 32)
				return -1;
		} else {
			if (r->depth > 128)