[dpdk-dev,1/5] ethdev: define ntuple filter type and its structure
Commit Message
This patch defines ntuple filter type RTE_ETH_FILTER_NTUPLE and its structure rte_eth_ntuple_filter.
It also corrects the typo TCP_UGR_FLAG to TCP_URG_FLAG
Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>
---
lib/librte_ether/rte_eth_ctrl.h | 50 +++++++++++++++++++++++++++++++++++++++++
lib/librte_ether/rte_ethdev.h | 2 ++
2 files changed, 52 insertions(+)
@@ -53,6 +53,7 @@ enum rte_filter_type {
RTE_ETH_FILTER_NONE = 0,
RTE_ETH_FILTER_MACVLAN,
RTE_ETH_FILTER_ETHERTYPE,
+ RTE_ETH_FILTER_NTUPLE,
RTE_ETH_FILTER_TUNNEL,
RTE_ETH_FILTER_FDIR,
RTE_ETH_FILTER_MAX
@@ -117,6 +118,55 @@ struct rte_eth_ethertype_filter {
};
/**
+ * Define all structures for ntuple Filter type.
+ */
+
+#define RTE_NTUPLE_FLAGS_DST_IP 0x0001 /**< If set, dst_ip is part of ntuple */
+#define RTE_NTUPLE_FLAGS_SRC_IP 0x0002 /**< If set, src_ip is part of ntuple */
+#define RTE_NTUPLE_FLAGS_DST_PORT 0x0004 /**< If set, dst_port is part of ntuple */
+#define RTE_NTUPLE_FLAGS_SRC_PORT 0x0008 /**< If set, src_port is part of ntuple */
+#define RTE_NTUPLE_FLAGS_PROTO 0x0010 /**< If set, protocol is part of ntuple */
+#define RTE_NTUPLE_FLAGS_TCP_FLAG 0x0020 /**< If set, tcp flag is involved */
+
+#define RTE_5TUPLE_FLAGS ( \
+ RTE_NTUPLE_FLAGS_DST_IP | \
+ RTE_NTUPLE_FLAGS_SRC_IP | \
+ RTE_NTUPLE_FLAGS_DST_PORT | \
+ RTE_NTUPLE_FLAGS_SRC_PORT | \
+ RTE_NTUPLE_FLAGS_PROTO)
+
+#define RTE_2TUPLE_FLAGS ( \
+ RTE_NTUPLE_FLAGS_DST_PORT | \
+ RTE_NTUPLE_FLAGS_PROTO)
+
+
+/**
+ * A structure used to define the ntuple filter entry
+ * to support RTE_ETH_FILTER_NTUPLE with RTE_ETH_FILTER_ADD,
+ * RTE_ETH_FILTER_DELETE and RTE_ETH_FILTER_GET operations.
+ */
+struct rte_eth_ntuple_filter {
+ uint16_t flags; /**< Flags from RTE_NTUPLE_FLAGS_* */
+ uint32_t dst_ip; /**< Destination IP address in big endian. */
+ uint32_t dst_ip_mask; /**< Mask of destination IP address. */
+ uint32_t src_ip; /**< Source IP address in big endian. */
+ uint32_t src_ip_mask; /**< Mask of destination IP address. */
+ uint16_t dst_port; /**< Destination port in big endian. */
+ uint16_t dst_port_mask; /**< Mask of destination port. */
+ uint16_t src_port; /**< Source Port in big endian. */
+ uint16_t src_port_mask; /**< Mask of source port. */
+ uint8_t proto; /**< L4 protocol. */
+ uint8_t proto_mask; /**< Mask of L4 protocol. */
+ /** tcp_flags only meaningful when the proto is TCP.
+ The packet matched above ntuple fields and contain
+ any set bit in tcp_flags will hit this filter. */
+ uint8_t tcp_flags;
+ uint16_t priority; /**< seven levels (001b-111b), 111b is highest,
+ used when more than one filter matches. */
+ uint16_t queue; /**< Queue assigned to when match*/
+};
+
+/**
* Tunneled type.
*/
enum rte_eth_tunnel_type {
@@ -963,6 +963,8 @@ struct rte_eth_dev_callback;
/** @internal Structure to keep track of registered callbacks */
TAILQ_HEAD(rte_eth_dev_cb_list, rte_eth_dev_callback);
+
+#define TCP_URG_FLAG 0x20
#define TCP_UGR_FLAG 0x20
#define TCP_ACK_FLAG 0x10
#define TCP_PSH_FLAG 0x08