ethdev: new syn filter API

This patch defines syn filter type RTE_ETH_FILTER_SYN and its structure rte_eth_syn_filter.

Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>

diff --git a/lib/librte_ether/rte_eth_ctrl.h b/lib/librte_ether/rte_eth_ctrl.h
index bda880e..8748b87 100644 (file)
--- a/lib/librte_ether/rte_eth_ctrl.h
+++ b/lib/librte_ether/rte_eth_ctrl.h
@@ -54,6 +54,7 @@ enum rte_filter_type {
        RTE_ETH_FILTER_MACVLAN,
        RTE_ETH_FILTER_ETHERTYPE,
        RTE_ETH_FILTER_FLEXIBLE,
+       RTE_ETH_FILTER_SYN,
        RTE_ETH_FILTER_TUNNEL,
        RTE_ETH_FILTER_FDIR,
        RTE_ETH_FILTER_HASH,
@@ -136,6 +137,17 @@ struct rte_eth_flex_filter {
        uint16_t queue;       /**< Queue assigned to when match. */
 };
 
+/**
+ * A structure used to define the TCP syn filter entry
+ * to support RTE_ETH_FILTER_SYN with RTE_ETH_FILTER_ADD,
+ * RTE_ETH_FILTER_DELETE and RTE_ETH_FILTER_GET operations.
+ */
+struct rte_eth_syn_filter {
+       uint8_t hig_pri;     /**< 1 - higher priority than other filters,
+                                 0 - lower priority. */
+       uint16_t queue;      /**< Queue assigned to when match */
+};
+
 /**
  * Tunneled type.
  */