Re: [dpdk-dev] [PATCH v2 1/4]ethdev: add ethdev APIs for NIC filters of generic filter

["Ming, LiX" <lix.ming@intel.com>]

This patch adds APIs for NIC filters list below:
ethertype filter, syn filter, 2tuple filter, flex filter, 5tuple filter

Signed-off-by: jingjing.wu <jingjing.wu@intel.com>
---
 lib/librte_ether/rte_ethdev.c | 281 ++++++++++++++++++++++++++++
 lib/librte_ether/rte_ethdev.h | 421 +++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 701 insertions(+), 1 deletion(-)

Test-by: lmingX  lix,ming@intel.com



Compile pass



     >>Compile OS: FC20 x86_64

     >>Kernel version: 3.11.10-301

     >>GCC version: 4.8.2

     >>Server: Crownpass


diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index a5727dd..afd4fe8 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -41,6 +41,7 @@
 #include <errno.h>
 #include <stdint.h>
 #include <inttypes.h>
+#include <netinet/in.h>
 
 #include <rte_byteorder.h>
 #include <rte_log.h>
@@ -2335,3 +2336,283 @@ rte_eth_dev_bypass_wd_reset(uint8_t port_id)
 	return 0;
 }
 #endif
+
+int
+rte_eth_dev_add_syn_filter(uint8_t port_id, uint8_t high_pri,
+			uint8_t rx_queue)
+{
+	struct rte_eth_dev *dev;
+	struct rte_syn_filter filter;
+
+	if (port_id >= nb_ports) {
+		PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+		return (-ENODEV);
+	}
+
+	dev = &rte_eth_devices[port_id];
+	filter.enable = 1;
+	filter.hig_pri = high_pri;
+	FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_syn_filter, -ENOTSUP);
+	return (*dev->dev_ops->set_syn_filter)(dev, &filter, rx_queue);
+}
+
+int
+rte_eth_dev_remove_syn_filter(uint8_t port_id)
+{
+	struct rte_eth_dev *dev;
+	struct rte_syn_filter filter;
+
+	if (port_id >= nb_ports) {
+		PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+		return (-ENODEV);
+	}
+
+	dev = &rte_eth_devices[port_id];
+	filter.enable = 0;
+	filter.hig_pri = 0;
+	FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_syn_filter, -ENOTSUP);
+	return (*dev->dev_ops->set_syn_filter)(dev, &filter, 0);
+}
+
+int
+rte_eth_dev_get_syn_filter(uint8_t port_id,
+			struct rte_syn_filter *filter, uint8_t *rx_queue)
+{
+	struct rte_eth_dev *dev;
+
+	if (filter == NULL || rx_queue == NULL)
+		return (-EINVAL);
+
+	if (port_id >= nb_ports) {
+		PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+		return (-ENODEV);
+	}
+
+	dev = &rte_eth_devices[port_id];
+	FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_syn_filter, -ENOTSUP);
+	return (*dev->dev_ops->get_syn_filter)(dev, filter, rx_queue);
+}
+
+int
+rte_eth_dev_add_ethertype_filter(uint8_t port_id, uint16_t index,
+			struct rte_ethertype_filter *filter, uint8_t rx_queue)
+{
+	struct rte_eth_dev *dev;
+
+	if (port_id >= nb_ports) {
+		PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+		return (-ENODEV);
+	}
+	if (filter->ethertype == ETHER_TYPE_IPv4 ||
+		filter->ethertype == ETHER_TYPE_IPv6){
+		PMD_DEBUG_TRACE("IP and IPv6 are not supported"
+			" in ethertype filter\n");
+		return (-EINVAL);
+	}
+	dev = &rte_eth_devices[port_id];
+	FUNC_PTR_OR_ERR_RET(*dev->dev_ops->add_ethertype_filter, -ENOTSUP);
+	return (*dev->dev_ops->add_ethertype_filter)(dev, index,
+					filter, rx_queue);
+}
+
+int
+rte_eth_dev_remove_ethertype_filter(uint8_t port_id,  uint16_t index)
+{
+	struct rte_eth_dev *dev;
+
+	if (port_id >= nb_ports) {
+		PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+		return (-ENODEV);
+	}
+
+	dev = &rte_eth_devices[port_id];
+	FUNC_PTR_OR_ERR_RET(*dev->dev_ops->remove_ethertype_filter, -ENOTSUP);
+	return (*dev->dev_ops->remove_ethertype_filter)(dev, index);
+}
+
+int
+rte_eth_dev_get_ethertype_filter(uint8_t port_id, uint16_t index,
+			struct rte_ethertype_filter *filter, uint8_t *rx_queue)
+{
+	struct rte_eth_dev *dev;
+
+	if (filter == NULL || rx_queue == NULL)
+		return (-EINVAL);
+
+	if (port_id >= nb_ports) {
+		PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+		return (-ENODEV);
+	}
+
+	dev = &rte_eth_devices[port_id];
+	FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_ethertype_filter, -ENOTSUP);
+	return (*dev->dev_ops->get_ethertype_filter)(dev, index,
+						filter, rx_queue);
+}
+
+int
+rte_eth_dev_add_2tuple_filter(uint8_t port_id, uint16_t index,
+			struct rte_2tuple_filter *filter, uint8_t rx_queue)
+{
+	struct rte_eth_dev *dev;
+
+	if (port_id >= nb_ports) {
+		PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+		return (-ENODEV);
+	}
+	if (filter->protocol != IPPROTO_TCP &&
+		filter->tcp_flags != 0){
+		PMD_DEBUG_TRACE("tcp flags is 0x%x, but the protocol value"
+			" is not TCP\n",
+			filter->tcp_flags);
+		return (-EINVAL);
+	}
+
+	dev = &rte_eth_devices[port_id];
+	FUNC_PTR_OR_ERR_RET(*dev->dev_ops->add_2tuple_filter, -ENOTSUP);
+	return (*dev->dev_ops->add_2tuple_filter)(dev, index, filter, rx_queue);
+}
+
+int
+rte_eth_dev_remove_2tuple_filter(uint8_t port_id, uint16_t index)
+{
+	struct rte_eth_dev *dev;
+
+	if (port_id >= nb_ports) {
+		PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+		return (-ENODEV);
+	}
+
+	dev = &rte_eth_devices[port_id];
+	FUNC_PTR_OR_ERR_RET(*dev->dev_ops->remove_2tuple_filter, -ENOTSUP);
+	return (*dev->dev_ops->remove_2tuple_filter)(dev, index);
+}
+
+int
+rte_eth_dev_get_2tuple_filter(uint8_t port_id, uint16_t index,
+			struct rte_2tuple_filter *filter, uint8_t *rx_queue)
+{
+	struct rte_eth_dev *dev;
+
+	if (filter == NULL || rx_queue == NULL)
+		return (-EINVAL);
+
+	if (port_id >= nb_ports) {
+		PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+		return (-ENODEV);
+	}
+
+	dev = &rte_eth_devices[port_id];
+	FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_2tuple_filter, -ENOTSUP);
+	return (*dev->dev_ops->get_2tuple_filter)(dev, index, filter, rx_queue);
+}
+
+int
+rte_eth_dev_add_5tuple_filter(uint8_t port_id, uint16_t index,
+			struct rte_5tuple_filter *filter, uint8_t rx_queue)
+{
+	struct rte_eth_dev *dev;
+
+	if (port_id >= nb_ports) {
+		PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+		return (-ENODEV);
+	}
+
+	if (filter->protocol != IPPROTO_TCP &&
+		filter->tcp_flags != 0){
+		PMD_DEBUG_TRACE("tcp flags is 0x%x, but the protocol value"
+			" is not TCP\n",
+			filter->tcp_flags);
+		return (-EINVAL);
+	}
+
+	dev = &rte_eth_devices[port_id];
+	FUNC_PTR_OR_ERR_RET(*dev->dev_ops->add_5tuple_filter, -ENOTSUP);
+	return (*dev->dev_ops->add_5tuple_filter)(dev, index, filter, rx_queue);
+}
+
+int
+rte_eth_dev_remove_5tuple_filter(uint8_t port_id, uint16_t index)
+{
+	struct rte_eth_dev *dev;
+
+	if (port_id >= nb_ports) {
+		PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+		return (-ENODEV);
+	}
+
+	dev = &rte_eth_devices[port_id];
+	FUNC_PTR_OR_ERR_RET(*dev->dev_ops->remove_5tuple_filter, -ENOTSUP);
+	return (*dev->dev_ops->remove_5tuple_filter)(dev, index);
+}
+
+int
+rte_eth_dev_get_5tuple_filter(uint8_t port_id, uint16_t index,
+			struct rte_5tuple_filter *filter, uint8_t *rx_queue)
+{
+	struct rte_eth_dev *dev;
+
+	if (filter == NULL || rx_queue == NULL)
+		return (-EINVAL);
+
+	if (port_id >= nb_ports) {
+		PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+		return (-ENODEV);
+	}
+
+	dev = &rte_eth_devices[port_id];
+	FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_5tuple_filter, -ENOTSUP);
+	return (*dev->dev_ops->get_5tuple_filter)(dev, index, filter,
+						rx_queue);
+}
+
+int
+rte_eth_dev_add_flex_filter(uint8_t port_id, uint16_t index,
+			struct rte_flex_filter *filter, uint8_t rx_queue)
+{
+	struct rte_eth_dev *dev;
+
+	if (port_id >= nb_ports) {
+		PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+		return (-ENODEV);
+	}
+
+	dev = &rte_eth_devices[port_id];
+	FUNC_PTR_OR_ERR_RET(*dev->dev_ops->add_flex_filter, -ENOTSUP);
+	return (*dev->dev_ops->add_flex_filter)(dev, index, filter, rx_queue);
+}
+
+int
+rte_eth_dev_remove_flex_filter(uint8_t port_id, uint16_t index)
+{
+	struct rte_eth_dev *dev;
+
+	if (port_id >= nb_ports) {
+		PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+		return (-ENODEV);
+	}
+
+	dev = &rte_eth_devices[port_id];
+	FUNC_PTR_OR_ERR_RET(*dev->dev_ops->remove_flex_filter, -ENOTSUP);
+	return (*dev->dev_ops->remove_flex_filter)(dev, index);
+}
+
+int
+rte_eth_dev_get_flex_filter(uint8_t port_id, uint16_t index,
+			struct rte_flex_filter *filter, uint8_t *rx_queue)
+{
+	struct rte_eth_dev *dev;
+
+	if (filter == NULL || rx_queue == NULL)
+		return (-EINVAL);
+
+	if (port_id >= nb_ports) {
+		PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+		return (-ENODEV);
+	}
+
+	dev = &rte_eth_devices[port_id];
+	FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_flex_filter, -ENOTSUP);
+	return (*dev->dev_ops->get_flex_filter)(dev, index, filter,
+						rx_queue);
+}
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index d5ea46b..21257b2 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -808,6 +808,71 @@ 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_UGR_FLAG 0x20
+#define TCP_ACK_FLAG 0x10
+#define TCP_PSH_FLAG 0x08
+#define TCP_RST_FLAG 0x04
+#define TCP_SYN_FLAG 0x02
+#define TCP_FIN_FLAG 0x01
+#define TCP_FLAG_ALL 0x3F
+
+/**
+ *  A structure used to define an ethertype filter.
+ */
+struct rte_ethertype_filter {
+	uint16_t ethertype;  /**<little endian*/
+	uint8_t priority_en; /**<compare priority enable*/
+	uint8_t priority;
+};
+
+/**
+ *  A structure used to define an syn filter.
+ */
+struct rte_syn_filter {
+	uint8_t enable;  /**<1 means enable, 0 means disable*/
+	uint8_t hig_pri; /**< 1 means higher pri than 2tuple,5tupe, and flex filter, 0 means lower pri*/
+};
+
+/**
+ *  A structure used to define a 2tuple filter.
+ */
+struct rte_2tuple_filter {
+	uint16_t dst_port;  /**<big endian*/
+	uint8_t protocol;
+	uint8_t tcp_flags;
+	uint16_t priority; /**< used when more than one filter matches */
+	uint8_t dst_port_mask : 1,  /**<if mask is 1b, means not compare*/
+		protocol_mask   : 1;
+};
+
+/**
+ *  A structure used to define a flex filter.
+ */
+struct rte_flex_filter {  /** for E1000 filters*/
+	uint16_t len;
+	uint32_t dwords[32];  /**<flex bytes in big endian*/
+	uint8_t mask[16];     /**<if mask bit is 1b, means compare corresponding byte in dwords*/
+	uint8_t priority;
+};
+
+/**
+ *  A structure used to define a 5tuple filter.
+ */
+struct rte_5tuple_filter {
+	uint32_t dst_ip;   /**<destination IP address in big endian*/
+	uint32_t src_ip;   /**<source IP address in big endian*/
+	uint16_t dst_port; /**<destination port in big endian*/
+	uint16_t src_port; /**<source Port big endian*/
+	uint8_t protocol;
+	uint8_t tcp_flags;
+	uint16_t priority; /**<seven evels (001b-111b),  111b is highest, used when more than one filter matches */
+	uint8_t dst_ip_mask   : 1, /**<if mask is 1b, do not compare dst ip*/
+		src_ip_mask   : 1, /**<if mask is 1b, do not compare src ip*/
+		dst_port_mask : 1, /**<if mask is 1b, do not compare dst port*/
+		src_port_mask : 1, /**<if mask is 1b, do not compare src port*/
+		protocol_mask   : 1; /**<if mask is 1b, do not compare protocol*/
+};
+
 /*
  * Definitions of all functions exported by an Ethernet driver through the
  * the generic structure of type *eth_dev_ops* supplied in the *rte_eth_dev*
@@ -1076,6 +1141,69 @@ typedef int32_t (*bypass_ver_show_t)(struct rte_eth_dev *dev, uint32_t *ver);
 typedef int32_t (*bypass_wd_reset_t)(struct rte_eth_dev *dev);
 #endif
 
+typedef int (*eth_set_syn_filter_t)(struct rte_eth_dev *dev,
+			struct rte_syn_filter *filter, uint8_t rx_queue);
+/**< @internal Set syn filter rule on an Ethernet device */
+
+typedef int (*eth_get_syn_filter_t)(struct rte_eth_dev *dev,
+			struct rte_syn_filter *filter, uint8_t *rx_queue);
+/**< @internal Get syn filter rule on an Ethernet device */
+
+typedef int (*eth_add_ethertype_filter_t)(struct rte_eth_dev *dev,
+			uint16_t index, struct rte_ethertype_filter *filter,
+			uint8_t rx_queue);
+/**< @internal Setup a new ethertype filter rule on an Ethernet device */
+
+typedef int (*eth_remove_ethertype_filter_t)(struct rte_eth_dev *dev,
+			uint16_t index);
+/**< @internal Remove an ethertype filter rule on an Ethernet device */
+
+typedef int (*eth_get_ethertype_filter_t)(struct rte_eth_dev *dev,
+			uint16_t index, struct rte_ethertype_filter *filter,
+			uint8_t *rx_queue);
+/**< @internal Get an ethertype filter rule on an Ethernet device */
+
+typedef int (*eth_add_2tuple_filter_t)(struct rte_eth_dev *dev,
+			uint16_t index, struct rte_2tuple_filter *filter,
+			uint8_t rx_queue);
+/**< @internal Setup a new 2tuple filter rule on an Ethernet device */
+
+typedef int (*eth_remove_2tuple_filter_t)(struct rte_eth_dev *dev,
+			uint16_t index);
+/**< @internal Remove a 2tuple filter rule on an Ethernet device */
+
+typedef int (*eth_get_2tuple_filter_t)(struct rte_eth_dev *dev,
+			uint16_t index, struct rte_2tuple_filter *filter,
+			uint8_t *rx_queue);
+/**< @internal Get a 2tuple filter rule on an Ethernet device */
+
+typedef int (*eth_add_5tuple_filter_t)(struct rte_eth_dev *dev,
+			uint16_t index, struct rte_5tuple_filter *filter,
+			uint8_t rx_queue);
+/**< @internal Setup a new 5tuple filter rule on an Ethernet device */
+
+typedef int (*eth_remove_5tuple_filter_t)(struct rte_eth_dev *dev,
+			uint16_t index);
+/**< @internal Remove a 5tuple filter rule on an Ethernet device */
+
+typedef int (*eth_get_5tuple_filter_t)(struct rte_eth_dev *dev,
+			uint16_t index, struct rte_5tuple_filter *filter,
+			uint8_t *rx_queue);
+/**< @internal Get a 5tuple filter rule on an Ethernet device */
+
+typedef int (*eth_add_flex_filter_t)(struct rte_eth_dev *dev,
+			uint16_t index, struct rte_flex_filter *filter,
+			uint8_t rx_queue);
+/**< @internal Setup a new flex filter rule on an Ethernet device */
+
+typedef int (*eth_remove_flex_filter_t)(struct rte_eth_dev *dev,
+			uint16_t index);
+/**< @internal Remove a flex filter rule on an Ethernet device */
+
+typedef int (*eth_get_flex_filter_t)(struct rte_eth_dev *dev,
+			uint16_t index, struct rte_flex_filter *filter,
+			uint8_t *rx_queue);
+/**< @internal Get a flex filter rule on an Ethernet device */
 
 /**
  * @internal A structure containing the functions exported by an Ethernet driver.
@@ -1152,7 +1280,20 @@ struct eth_dev_ops {
   bypass_ver_show_t bypass_ver_show;
   bypass_wd_reset_t bypass_wd_reset;
 #endif
-
+	eth_set_syn_filter_t           set_syn_filter;  /**< set syn filter. */
+	eth_get_syn_filter_t           get_syn_filter;  /**< get syn filter. */
+	eth_add_ethertype_filter_t     add_ethertype_filter;  /**< add ethertype filter. */
+	eth_remove_ethertype_filter_t  remove_ethertype_filter;  /**< remove ethertype filter*/
+	eth_get_ethertype_filter_t     get_ethertype_filter;  /**< get ethertype filter*/
+	eth_add_2tuple_filter_t        add_2tuple_filter;  /**<add 2tuple filter */
+	eth_remove_2tuple_filter_t     remove_2tuple_filter;  /**< remove 2tuple filter*/
+	eth_get_2tuple_filter_t        get_2tuple_filter;  /**< get 2tuple filter*/
+	eth_add_5tuple_filter_t        add_5tuple_filter;  /**< add 5tuple filter*/
+	eth_remove_5tuple_filter_t     remove_5tuple_filter;  /**< remove 5tuple filter*/
+	eth_get_5tuple_filter_t        get_5tuple_filter;   /**< get 5tuple filter*/
+	eth_add_flex_filter_t        add_flex_filter;  /**< add flex filter*/
+	eth_remove_flex_filter_t     remove_flex_filter;  /**< remove flex filter*/
+	eth_get_flex_filter_t        get_flex_filter;  /**< get flex filter*/
 };
 
 /**
@@ -2725,6 +2866,284 @@ int rte_eth_dev_bypass_wd_timeout_show(uint8_t port, uint32_t *wd_timeout);
  */
 int rte_eth_dev_bypass_wd_reset(uint8_t port);
 
+/**
+ * add syn filter
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+ * @param rx_queue
+ *   The index of RX queue where to store RX packets matching the syn filter.
+ * @param high_pri
+ *    1 means higher pri than 2tuple,5tupe, and flex filter, 0 means lower
+ * @return
+ *   - (0) if successful.
+ *   - (-ENOTSUP) if hardware doesn't support.
+ *   - (-EINVAL) if bad parameter.
+ */
+int rte_eth_dev_add_syn_filter(uint8_t port_id, uint8_t high_pri,
+				uint8_t rx_queue);
+
+/**
+ * remove syn filter
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENOTSUP) if hardware doesn't support.
+ *   - (-EINVAL) if bad parameter.
+ */
+int rte_eth_dev_remove_syn_filter(uint8_t port_id);
+
+/**
+ * get syn filter
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+ * @param filter
+ *   The pointer to the structure describing the syn filter.
+ * @param rx_queue
+ *   the point of a int type to get the queue of syn filter.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENOTSUP) if hardware doesn't support.
+ *   - (-EINVAL) if bad parameter.
+ */
+int rte_eth_dev_get_syn_filter(uint8_t port_id,
+			struct rte_syn_filter *filter, uint8_t *rx_queue);
+
+/**
+ * Add a new ethertype filter rule on an Ethernet device.
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+  * @param index
+ *   The identifier of ethertype filter.
+ * @param filter
+ *   The pointer to the structure describing the ethertype filter rule.
+ *   The *rte_ethertype_filter* structure includes the values of the different
+ *   fields to match: ethertype and priority in vlan tag.
+ *   priority in vlan tag is not supported for E1000 dev.
+ * @param rx_queue
+ *   The index of the RX queue where to store RX packets matching the added
+ *   ethertype filter.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENOTSUP) if hardware doesn't support ethertype filter.
+ *   - (-ENODEV) if *port_id* invalid.
+ *   - (-EINVAL) if the filter information is not correct.
+ */
+int rte_eth_dev_add_ethertype_filter(uint8_t port_id, uint16_t index,
+			struct rte_ethertype_filter *filter, uint8_t rx_queue);
+/**
+ * remove an ethertype filter rule on an Ethernet device.
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+  * @param index
+ *   The identifier of ethertype filter.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENOTSUP) if hardware doesn't support ethertype filter.
+ *   - (-ENODEV) if *port_id* invalid.
+ *   - (-EINVAL) if the filter information is not correct.
+ */
+int rte_eth_dev_remove_ethertype_filter(uint8_t port_id,
+			uint16_t index);
+
+/**
+ * Get an ethertype filter rule on an Ethernet device.
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+ * @param filter
+ *   A pointer to a structure of type *rte_ethertype_filter* to be filled with
+ *   the information of the Ethertype filter.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENOTSUP) if hardware doesn't support ethertype filter.
+ *   - (-ENODEV) if *port_id* invalid.
+ *   - (-EINVAL) if the filter information is not correct.
+ *   - (-ENOENT) if no enabled filter in this index.
+ */
+
+int rte_eth_dev_get_ethertype_filter(uint8_t port_id, uint16_t index,
+			struct rte_ethertype_filter *filter, uint8_t *rx_queue);
+/**
+ * Add a new 2tuple filter rule on an Ethernet device.
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+  * @param index
+ *   The identifier of 2tuple filter.
+ * @param filter
+ *   The pointer to the structure describing the 2tuple filter rule.
+ *   The *rte_2tuple_filter* structure includes the values of the different
+ *   fields to match: protocol, dst_port and
+ *   tcp_flags if the protocol is tcp type.
+ * @param rx_queue
+ *   The index of the RX queue where to store RX packets matching the added
+ *   2tuple filter.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENOTSUP) if hardware doesn't support 2tuple filter.
+ *   - (-ENODEV) if *port_id* invalid.
+ *   - (-EINVAL) if the filter information is not correct.
+ */
+
+int rte_eth_dev_add_2tuple_filter(uint8_t port_id, uint16_t index,
+			struct rte_2tuple_filter *filter, uint8_t rx_queue);
+/**
+ * remove a 2tuple filter rule on an Ethernet device.
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+  * @param index
+ *   The identifier of 2tuple filter.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENOTSUP) if hardware doesn't support 2tuple filter.
+ *   - (-ENODEV) if *port_id* invalid.
+ *   - (-EINVAL) if the filter information is not correct.
+ */
+int rte_eth_dev_remove_2tuple_filter(uint8_t port_id, uint16_t index);
+
+/**
+ * Get an 2tuple filter rule on an Ethernet device.
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+  * @param index
+ *   The identifier of 2tuple filter.
+ * @param filter
+ *   A pointer to a structure of type *rte_2tuple_filter* to be filled with
+ *   the information of the 2tuple filter.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENOTSUP) if hardware doesn't support 2tuple filter.
+ *   - (-ENODEV) if *port_id* invalid.
+ *   - (-EINVAL) if the filter information is not correct.
+ *   - (-ENOENT) if no enabled filter in this index.
+ */
+int rte_eth_dev_get_2tuple_filter(uint8_t port_id, uint16_t index,
+			struct rte_2tuple_filter *filter, uint8_t *rx_queue);
+
+/**
+ * Add a new 5tuple filter rule on an Ethernet device.
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+  * @param index
+ *   The identifier of 5tuple filter.
+ * @param filter
+ *   The pointer to the structure describing the 5tuple filter rule.
+ *   The *rte_5tuple_filter* structure includes the values of the different fields
+ *   fields to match: dst src IP, dst src port, protocol and relative masks
+ * @param rx_queue
+ *   The index of the RX queue where to store RX packets matching the added
+ *   5tuple filter.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENOTSUP) if hardware doesn't support 5tuple filter.
+ *   - (-ENODEV) if *port_id* invalid.
+ *   - (-EINVAL) if the filter information is not correct.
+ */
+int rte_eth_dev_add_5tuple_filter(uint8_t port_id, uint16_t index,
+			struct rte_5tuple_filter *filter, uint8_t rx_queue);
+
+/**
+ * remove a 5tuple filter rule on an Ethernet device.
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+  * @param index
+ *   The identifier of 5tuple filter.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENOTSUP) if hardware doesn't support 5tuple filter.
+ *   - (-ENODEV) if *port_id* invalid.
+ *   - (-EINVAL) if the filter information is not correct.
+ */
+int rte_eth_dev_remove_5tuple_filter(uint8_t port_id, uint16_t index);
+
+/**
+ * Get an 5tuple filter rule on an Ethernet device.
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+  * @param index
+ *   The identifier of 5tuple filter.
+ * @param filter
+ *   A pointer to a structure of type *rte_5tuple_filter* to be filled with
+ *   the information of the 5tuple filter.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENOTSUP) if hardware doesn't support 5tuple filter.
+ *   - (-ENODEV) if *port_id* invalid.
+ *   - (-EINVAL) if the filter information is not correct.
+ */
+int rte_eth_dev_get_5tuple_filter(uint8_t port_id, uint16_t index,
+			struct rte_5tuple_filter *filter, uint8_t *rx_queue);
+
+/**
+ * Add a new flex filter rule on an Ethernet device.
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+  * @param index
+ *   The identifier of flex filter.
+ * @param filter
+ *   The pointer to the structure describing the flex filter rule.
+ *   The *rte_flex_filter* structure includes the values of the different fields
+ *   to match: the dwords (first len bytes of packet ) and relative masks.
+ * @param rx_queue
+ *   The index of the RX queue where to store RX packets matching the added
+ *   flex filter.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENOTSUP) if hardware doesn't support flex filter.
+ *   - (-ENODEV) if *port_id* invalid.
+ *   - (-EINVAL) if the filter information is not correct.
+ *   - (-ENOENT) if no enabled filter in this index.
+ */
+int rte_eth_dev_add_flex_filter(uint8_t port_id, uint16_t index,
+			struct rte_flex_filter *filter, uint8_t rx_queue);
+/**
+ * remove a flex filter rule on an Ethernet device.
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+  * @param index
+ *   The identifier of flex filter.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENOTSUP) if hardware doesn't support flex filter.
+ *   - (-ENODEV) if *port_id* invalid.
+ *   - (-EINVAL) if the filter information is not correct.
+ */
+int rte_eth_dev_remove_flex_filter(uint8_t port_id, uint16_t index);
+
+/**
+ * Get an flex filter rule on an Ethernet device.
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+  * @param index
+ *   The identifier of flex filter.
+ * @param filter
+ *   A pointer to a structure of type *rte_flex_filter* to be filled with
+ *   the information of the flex filter.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENOTSUP) if hardware doesn't support flex filter.
+ *   - (-ENODEV) if *port_id* invalid.
+ *   - (-EINVAL) if the filter information is not correct.
+ *   - (-ENOENT) if no enabled filter in this index.
+ */
+
+int rte_eth_dev_get_flex_filter(uint8_t port_id, uint16_t index,
+			struct rte_flex_filter *filter, uint8_t *rx_queue);
+
 #ifdef __cplusplus
 }
 #endif
-- 
1.8.1.4