+static int
+acl_ipv4vlan_check_rule(const struct rte_acl_ipv4vlan_rule *rule)
+{
+ if (rule->src_port_low > rule->src_port_high ||
+ rule->dst_port_low > rule->dst_port_high ||
+ rule->src_mask_len > BIT_SIZEOF(rule->src_addr) ||
+ rule->dst_mask_len > BIT_SIZEOF(rule->dst_addr))
+ return -EINVAL;
+ return 0;
+}
+
+static void
+acl_ipv4vlan_convert_rule(const struct rte_acl_ipv4vlan_rule *ri,
+ struct acl_ipv4vlan_rule *ro)
+{
+ ro->data = ri->data;
+
+ ro->field[RTE_ACL_IPV4VLAN_PROTO_FIELD].value.u8 = ri->proto;
+ ro->field[RTE_ACL_IPV4VLAN_VLAN1_FIELD].value.u16 = ri->vlan;
+ ro->field[RTE_ACL_IPV4VLAN_VLAN2_FIELD].value.u16 = ri->domain;
+ ro->field[RTE_ACL_IPV4VLAN_SRC_FIELD].value.u32 = ri->src_addr;
+ ro->field[RTE_ACL_IPV4VLAN_DST_FIELD].value.u32 = ri->dst_addr;
+ ro->field[RTE_ACL_IPV4VLAN_SRCP_FIELD].value.u16 = ri->src_port_low;
+ ro->field[RTE_ACL_IPV4VLAN_DSTP_FIELD].value.u16 = ri->dst_port_low;
+
+ ro->field[RTE_ACL_IPV4VLAN_PROTO_FIELD].mask_range.u8 = ri->proto_mask;
+ ro->field[RTE_ACL_IPV4VLAN_VLAN1_FIELD].mask_range.u16 = ri->vlan_mask;
+ ro->field[RTE_ACL_IPV4VLAN_VLAN2_FIELD].mask_range.u16 =
+ ri->domain_mask;
+ ro->field[RTE_ACL_IPV4VLAN_SRC_FIELD].mask_range.u32 =
+ ri->src_mask_len;
+ ro->field[RTE_ACL_IPV4VLAN_DST_FIELD].mask_range.u32 = ri->dst_mask_len;
+ ro->field[RTE_ACL_IPV4VLAN_SRCP_FIELD].mask_range.u16 =
+ ri->src_port_high;
+ ro->field[RTE_ACL_IPV4VLAN_DSTP_FIELD].mask_range.u16 =
+ ri->dst_port_high;
+}
+
+/*
+ * Add ipv4vlan rules to an existing ACL context.
+ * This function is not multi-thread safe.
+ *
+ * @param ctx
+ * ACL context to add patterns to.
+ * @param rules
+ * Array of rules to add to the ACL context.
+ * Note that all fields in rte_acl_ipv4vlan_rule structures are expected
+ * to be in host byte order.
+ * @param num
+ * Number of elements in the input array of rules.
+ * @return
+ * - -ENOMEM if there is no space in the ACL context for these rules.
+ * - -EINVAL if the parameters are invalid.
+ * - Zero if operation completed successfully.
+ */
+static int
+rte_acl_ipv4vlan_add_rules(struct rte_acl_ctx *ctx,
+ const struct rte_acl_ipv4vlan_rule *rules,
+ uint32_t num)
+{
+ int32_t rc;
+ uint32_t i;
+ struct acl_ipv4vlan_rule rv;
+
+ if (ctx == NULL || rules == NULL)
+ return -EINVAL;
+
+ /* check input rules. */
+ for (i = 0; i != num; i++) {
+ rc = acl_ipv4vlan_check_rule(rules + i);
+ if (rc != 0) {
+ RTE_LOG(ERR, ACL, "%s: rule #%u is invalid\n",
+ __func__, i + 1);
+ return rc;
+ }
+ }
+
+ /* perform conversion to the internal format and add to the context. */
+ for (i = 0, rc = 0; i != num && rc == 0; i++) {
+ acl_ipv4vlan_convert_rule(rules + i, &rv);
+ rc = rte_acl_add_rules(ctx, (struct rte_acl_rule *)&rv, 1);
+ }
+
+ return rc;
+}
+
+static void
+acl_ipv4vlan_config(struct rte_acl_config *cfg,
+ const uint32_t layout[RTE_ACL_IPV4VLAN_NUM],
+ uint32_t num_categories)
+{
+ static const struct rte_acl_field_def
+ ipv4_defs[RTE_ACL_IPV4VLAN_NUM_FIELDS] = {
+ {
+ .type = RTE_ACL_FIELD_TYPE_BITMASK,
+ .size = sizeof(uint8_t),
+ .field_index = RTE_ACL_IPV4VLAN_PROTO_FIELD,
+ .input_index = RTE_ACL_IPV4VLAN_PROTO,
+ },
+ {
+ .type = RTE_ACL_FIELD_TYPE_BITMASK,
+ .size = sizeof(uint16_t),
+ .field_index = RTE_ACL_IPV4VLAN_VLAN1_FIELD,
+ .input_index = RTE_ACL_IPV4VLAN_VLAN,
+ },
+ {
+ .type = RTE_ACL_FIELD_TYPE_BITMASK,
+ .size = sizeof(uint16_t),
+ .field_index = RTE_ACL_IPV4VLAN_VLAN2_FIELD,
+ .input_index = RTE_ACL_IPV4VLAN_VLAN,
+ },
+ {
+ .type = RTE_ACL_FIELD_TYPE_MASK,
+ .size = sizeof(uint32_t),
+ .field_index = RTE_ACL_IPV4VLAN_SRC_FIELD,
+ .input_index = RTE_ACL_IPV4VLAN_SRC,
+ },
+ {
+ .type = RTE_ACL_FIELD_TYPE_MASK,
+ .size = sizeof(uint32_t),
+ .field_index = RTE_ACL_IPV4VLAN_DST_FIELD,
+ .input_index = RTE_ACL_IPV4VLAN_DST,
+ },
+ {
+ .type = RTE_ACL_FIELD_TYPE_RANGE,
+ .size = sizeof(uint16_t),
+ .field_index = RTE_ACL_IPV4VLAN_SRCP_FIELD,
+ .input_index = RTE_ACL_IPV4VLAN_PORTS,
+ },
+ {
+ .type = RTE_ACL_FIELD_TYPE_RANGE,
+ .size = sizeof(uint16_t),
+ .field_index = RTE_ACL_IPV4VLAN_DSTP_FIELD,
+ .input_index = RTE_ACL_IPV4VLAN_PORTS,
+ },
+ };
+
+ memcpy(&cfg->defs, ipv4_defs, sizeof(ipv4_defs));
+ cfg->num_fields = RTE_DIM(ipv4_defs);
+
+ cfg->defs[RTE_ACL_IPV4VLAN_PROTO_FIELD].offset =
+ layout[RTE_ACL_IPV4VLAN_PROTO];
+ cfg->defs[RTE_ACL_IPV4VLAN_VLAN1_FIELD].offset =
+ layout[RTE_ACL_IPV4VLAN_VLAN];
+ cfg->defs[RTE_ACL_IPV4VLAN_VLAN2_FIELD].offset =
+ layout[RTE_ACL_IPV4VLAN_VLAN] +
+ cfg->defs[RTE_ACL_IPV4VLAN_VLAN1_FIELD].size;
+ cfg->defs[RTE_ACL_IPV4VLAN_SRC_FIELD].offset =
+ layout[RTE_ACL_IPV4VLAN_SRC];
+ cfg->defs[RTE_ACL_IPV4VLAN_DST_FIELD].offset =
+ layout[RTE_ACL_IPV4VLAN_DST];
+ cfg->defs[RTE_ACL_IPV4VLAN_SRCP_FIELD].offset =
+ layout[RTE_ACL_IPV4VLAN_PORTS];
+ cfg->defs[RTE_ACL_IPV4VLAN_DSTP_FIELD].offset =
+ layout[RTE_ACL_IPV4VLAN_PORTS] +
+ cfg->defs[RTE_ACL_IPV4VLAN_SRCP_FIELD].size;
+
+ cfg->num_categories = num_categories;
+}
+
+/*
+ * Analyze set of ipv4vlan rules and build required internal
+ * run-time structures.
+ * This function is not multi-thread safe.
+ *
+ * @param ctx
+ * ACL context to build.
+ * @param layout
+ * Layout of input data to search through.
+ * @param num_categories
+ * Maximum number of categories to use in that build.
+ * @return
+ * - -ENOMEM if couldn't allocate enough memory.
+ * - -EINVAL if the parameters are invalid.
+ * - Negative error code if operation failed.
+ * - Zero if operation completed successfully.
+ */
+static int
+rte_acl_ipv4vlan_build(struct rte_acl_ctx *ctx,
+ const uint32_t layout[RTE_ACL_IPV4VLAN_NUM],
+ uint32_t num_categories)
+{
+ struct rte_acl_config cfg;
+
+ if (ctx == NULL || layout == NULL)
+ return -EINVAL;
+
+ memset(&cfg, 0, sizeof(cfg));
+ acl_ipv4vlan_config(&cfg, layout, num_categories);
+ return rte_acl_build(ctx, &cfg);
+}
+