return 0;
}
+/**
+ * Parse the rule to see if it is a ethertype rule.
+ * And get the ethertype filter info BTW.
+ * pattern:
+ * The first not void item can be ETH.
+ * The next not void item must be END.
+ * action:
+ * The first not void action should be QUEUE.
+ * The next not void action should be END.
+ * pattern example:
+ * ITEM Spec Mask
+ * ETH type 0x0807 0xFFFF
+ * END
+ * other members in mask and spec should set to 0x00.
+ * item->last should be NULL.
+ */
+static int
+cons_parse_ethertype_filter(const struct rte_flow_attr *attr,
+ const struct rte_flow_item *pattern,
+ const struct rte_flow_action *actions,
+ struct rte_eth_ethertype_filter *filter,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item *item;
+ const struct rte_flow_action *act;
+ const struct rte_flow_item_eth *eth_spec;
+ const struct rte_flow_item_eth *eth_mask;
+ const struct rte_flow_action_queue *act_q;
+
+ if (!pattern) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM_NUM,
+ NULL, "NULL pattern.");
+ return -rte_errno;
+ }
+
+ if (!actions) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION_NUM,
+ NULL, "NULL action.");
+ return -rte_errno;
+ }
+
+ if (!attr) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR,
+ NULL, "NULL attribute.");
+ return -rte_errno;
+ }
+
+ item = next_no_void_pattern(pattern, NULL);
+ /* The first non-void item should be MAC. */
+ if (item->type != RTE_FLOW_ITEM_TYPE_ETH) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by ethertype filter");
+ return -rte_errno;
+ }
+
+ /*Not supported last point for range*/
+ if (item->last) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ item, "Not supported last point for range");
+ return -rte_errno;
+ }
+
+ /* Get the MAC info. */
+ if (!item->spec || !item->mask) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by ethertype filter");
+ return -rte_errno;
+ }
+
+ eth_spec = item->spec;
+ eth_mask = item->mask;
+
+ /* Mask bits of source MAC address must be full of 0.
+ * Mask bits of destination MAC address must be full
+ * of 1 or full of 0.
+ */
+ if (!rte_is_zero_ether_addr(ð_mask->src) ||
+ (!rte_is_zero_ether_addr(ð_mask->dst) &&
+ !rte_is_broadcast_ether_addr(ð_mask->dst))) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Invalid ether address mask");
+ return -rte_errno;
+ }
+
+ if ((eth_mask->type & UINT16_MAX) != UINT16_MAX) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Invalid ethertype mask");
+ return -rte_errno;
+ }
+
+ /* If mask bits of destination MAC address
+ * are full of 1, set RTE_ETHTYPE_FLAGS_MAC.
+ */
+ if (rte_is_broadcast_ether_addr(ð_mask->dst)) {
+ filter->mac_addr = eth_spec->dst;
+ filter->flags |= RTE_ETHTYPE_FLAGS_MAC;
+ } else {
+ filter->flags &= ~RTE_ETHTYPE_FLAGS_MAC;
+ }
+ filter->ether_type = rte_be_to_cpu_16(eth_spec->type);
+
+ /* Check if the next non-void item is END. */
+ item = next_no_void_pattern(pattern, item);
+ if (item->type != RTE_FLOW_ITEM_TYPE_END) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by ethertype filter.");
+ return -rte_errno;
+ }
+
+ /* Parse action */
+
+ act = next_no_void_action(actions, NULL);
+ if (act->type != RTE_FLOW_ACTION_TYPE_QUEUE &&
+ act->type != RTE_FLOW_ACTION_TYPE_DROP) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Not supported action.");
+ return -rte_errno;
+ }
+
+ if (act->type == RTE_FLOW_ACTION_TYPE_QUEUE) {
+ act_q = (const struct rte_flow_action_queue *)act->conf;
+ filter->queue = act_q->index;
+ } else {
+ filter->flags |= RTE_ETHTYPE_FLAGS_DROP;
+ }
+
+ /* Check if the next non-void item is END */
+ act = next_no_void_action(actions, act);
+ if (act->type != RTE_FLOW_ACTION_TYPE_END) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Not supported action.");
+ return -rte_errno;
+ }
+
+ /* Parse attr */
+ /* Must be input direction */
+ if (!attr->ingress) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
+ attr, "Only support ingress.");
+ return -rte_errno;
+ }
+
+ /* Not supported */
+ if (attr->egress) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
+ attr, "Not support egress.");
+ return -rte_errno;
+ }
+
+ /* Not supported */
+ if (attr->transfer) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
+ attr, "No support for transfer.");
+ return -rte_errno;
+ }
+
+ /* Not supported */
+ if (attr->priority) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
+ attr, "Not support priority.");
+ return -rte_errno;
+ }
+
+ /* Not supported */
+ if (attr->group) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
+ attr, "Not support group.");
+ return -rte_errno;
+ }
+
+ return 0;
+}
+
+static int
+txgbe_parse_ethertype_filter(struct rte_eth_dev *dev,
+ const struct rte_flow_attr *attr,
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_action actions[],
+ struct rte_eth_ethertype_filter *filter,
+ struct rte_flow_error *error)
+{
+ int ret;
+
+ ret = cons_parse_ethertype_filter(attr, pattern,
+ actions, filter, error);
+
+ if (ret)
+ return ret;
+
+ if (filter->queue >= dev->data->nb_rx_queues) {
+ memset(filter, 0, sizeof(struct rte_eth_ethertype_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "queue index much too big");
+ return -rte_errno;
+ }
+
+ if (filter->ether_type == RTE_ETHER_TYPE_IPV4 ||
+ filter->ether_type == RTE_ETHER_TYPE_IPV6) {
+ memset(filter, 0, sizeof(struct rte_eth_ethertype_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "IPv4/IPv6 not supported by ethertype filter");
+ return -rte_errno;
+ }
+
+ if (filter->flags & RTE_ETHTYPE_FLAGS_MAC) {
+ memset(filter, 0, sizeof(struct rte_eth_ethertype_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "mac compare is unsupported");
+ return -rte_errno;
+ }
+
+ if (filter->flags & RTE_ETHTYPE_FLAGS_DROP) {
+ memset(filter, 0, sizeof(struct rte_eth_ethertype_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "drop option is unsupported");
+ return -rte_errno;
+ }
+
+ return 0;
+}
+
/**
* Create or destroy a flow rule.
* Theorically one rule can match more than one filters.
struct rte_flow_error *error)
{
struct rte_eth_ntuple_filter ntuple_filter;
+ struct rte_eth_ethertype_filter ethertype_filter;
int ret = 0;
memset(&ntuple_filter, 0, sizeof(struct rte_eth_ntuple_filter));
if (!ret)
return 0;
+ memset(ðertype_filter, 0, sizeof(struct rte_eth_ethertype_filter));
+ ret = txgbe_parse_ethertype_filter(dev, attr, pattern,
+ actions, ðertype_filter, error);
+ if (!ret)
+ return 0;
+
return ret;
}
git.droids-corp.org / dpdk.git / blobdiff