Function acl_rule_stats

dpdk/lib/acl/acl_bld.c:1115–1187

}

static void
acl_rule_stats(struct rte_acl_build_rule *head, struct rte_acl_config *config)
{
	struct rte_acl_build_rule *rule;
	uint32_t n, m, fields_deactivated = 0;
	uint32_t start = 0, deactivate = 0;
	int tally[RTE_ACL_MAX_LEVELS][TALLY_NUM];

	memset(tally, 0, sizeof(tally));

	for (rule = head; rule != NULL; rule = rule->next) {

		for (n = 0; n < config->num_fields; n++) {
			uint32_t field_index = config->defs[n].field_index;

			tally[n][TALLY_0]++;
			for (m = 1; m < RTE_DIM(wild_limits); m++) {
				if (rule->wildness[field_index] >=
						wild_limits[m])
					tally[n][m]++;
			}
		}

		for (n = config->num_fields - 1; n > 0; n--) {
			uint32_t field_index = config->defs[n].field_index;

			if (rule->wildness[field_index] == 100)
				tally[n][TALLY_DEPTH]++;
			else
				break;
		}
	}

	/*
	 * Look for any field that is always wild and drop it from the config
	 * Only deactivate if all fields for a given input loop are deactivated.
	 */
	for (n = 1; n < config->num_fields; n++) {
		if (config->defs[n].input_index !=
				config->defs[n - 1].input_index) {
			for (m = start; m < n; m++)
				tally[m][TALLY_DEACTIVATED] = deactivate;
			fields_deactivated += deactivate;
			start = n;
			deactivate = 1;
		}

		/* if the field is not always completely wild */
		if (tally[n][TALLY_100] != tally[n][TALLY_0])
			deactivate = 0;
	}

	for (m = start; m < n; m++)
		tally[m][TALLY_DEACTIVATED] = deactivate;

	fields_deactivated += deactivate;

	/* remove deactivated fields */