[ODP/PATCH,v5] ODP Classification API

Signed-off-by: Balasubramanian Manoharan <bala.manoharan@linaro.org>
---
V5: corrects the format issue caused by quotes

 platform/linux-generic/Makefile.am                 |   2 +
 .../linux-generic/include/api/odp_classification.h | 540 +++++++++++++++++++++
 platform/linux-generic/include/api/odp_packet_io.h |   5 +
 platform/linux-generic/include/api/odp_queue.h     |   5 +
 platform/linux-generic/odp_classification.c        | 236 +++++++++
 5 files changed, 788 insertions(+)
 create mode 100644 platform/linux-generic/include/api/odp_classification.h
 create mode 100644 platform/linux-generic/odp_classification.c

Merged!

Thanks,
Maxim.

On 10/17/2014 04:18 PM, Balasubramanian Manoharan wrote:
> Signed-off-by: Balasubramanian Manoharan <bala.manoharan@linaro.org>
> ---
> V5: corrects the format issue caused by quotes
>
>   platform/linux-generic/Makefile.am                 |   2 +
>   .../linux-generic/include/api/odp_classification.h | 540 +++++++++++++++++++++
>   platform/linux-generic/include/api/odp_packet_io.h |   5 +
>   platform/linux-generic/include/api/odp_queue.h     |   5 +
>   platform/linux-generic/odp_classification.c        | 236 +++++++++
>   5 files changed, 788 insertions(+)
>   create mode 100644 platform/linux-generic/include/api/odp_classification.h
>   create mode 100644 platform/linux-generic/odp_classification.c
>
> diff --git a/platform/linux-generic/Makefile.am b/platform/linux-generic/Makefile.am
> index d076d50..6a8a093 100644
> --- a/platform/linux-generic/Makefile.am
> +++ b/platform/linux-generic/Makefile.am
> @@ -13,6 +13,7 @@ include_HEADERS = \
>   		  $(top_srcdir)/platform/linux-generic/include/api/odp_buffer.h \
>   		  $(top_srcdir)/platform/linux-generic/include/api/odp_buffer_pool.h \
>   		  $(top_srcdir)/platform/linux-generic/include/api/odp_byteorder.h \
> +		  $(top_srcdir)/platform/linux-generic/include/api/odp_classification.h \
>   		  $(top_srcdir)/platform/linux-generic/include/api/odp_compiler.h \
>   		  $(top_srcdir)/platform/linux-generic/include/api/odp_config.h \
>   		  $(top_srcdir)/platform/linux-generic/include/api/odp_coremask.h \
> @@ -51,6 +52,7 @@ __LIB__libodp_la_SOURCES = \
>   			   odp_barrier.c \
>   			   odp_buffer.c \
>   			   odp_buffer_pool.c \
> +			   odp_classification.c \
>   			   odp_coremask.c \
>   			   odp_crypto.c \
>   			   odp_init.c \
> diff --git a/platform/linux-generic/include/api/odp_classification.h b/platform/linux-generic/include/api/odp_classification.h
> new file mode 100644
> index 0000000..99b94e9
> --- /dev/null
> +++ b/platform/linux-generic/include/api/odp_classification.h
> @@ -0,0 +1,540 @@
> +/* Copyright (c) 2014, Linaro Limited
> + * All rights reserved.
> + *
> + * SPDX-License-Identifier:     BSD-3-Clause
> + */
> +
> +
> +/**
> + * @file
> + *
> + * ODP classification descriptor
> + */
> +
> +#ifndef ODP_CLASSIFY_H_
> +#define ODP_CLASSIFY_H_
> +
> +#ifdef __cplusplus
> +extern "C" {
> +#endif
> +
> +
> +#include <odp_std_types.h>
> +#include <odp_buffer_pool.h>
> +#include <odp_packet.h>
> +#include <odp_packet_io.h>
> +#include <odp_queue.h>
> +
> +/**
> + * Class of service instance type
> + */
> +typedef uint32_t odp_cos_t;
> +
> +
> +/**
> + * flow signature type, only used for packet meta data field.
> + */
> +typedef uint32_t odp_flowsig_t;
> +
> +/**
> + * This value is returned from odp_cos_create() on failure,
> + * May also be used as a sink class of service that
> + * results in packets being discarded.
> +*/
> +#define ODP_COS_INVALID    ((odp_cos_t)~0)
> +
> +/**
> + * Class-of-service packet drop policies
> + */
> +typedef enum odp_cos_drop {
> +	ODP_COS_DROP_POOL,    /**< Follow buffer pool drop policy */
> +	ODP_COS_DROP_NEVER,    /**< Never drop, ignoring buffer pool policy */
> +} odp_drop_e;
> +
> +/**
> + * Packet header field enumeration
> + * for fields that may be used to calculate
> + * the flow signature, if present in a packet.
> + */
> +typedef enum odp_cos_hdr_flow_fields {
> +	ODP_COS_FHDR_IN_PKTIO,	/**< Ingress port number */
> +	ODP_COS_FHDR_L2_SAP,	/**< Ethernet Source MAC address */
> +	ODP_COS_FHDR_L2_DAP,	/**< Ethernet Destination MAC address */
> +	ODP_COS_FHDR_L2_VID,	/**< Ethernet VLAN ID */
> +	ODP_COS_FHDR_L3_FLOW,	/**< IPv6 flow_id */
> +	ODP_COS_FHDR_L3_SAP,	/**< IP source address */
> +	ODP_COS_FHDR_L3_DAP,	/**< IP destination address */
> +	ODP_COS_FHDR_L4_PROTO,	/**< IP protocol (e.g. TCP/UDP/ICMP) */
> +	ODP_COS_FHDR_L4_SAP,	/**< Transport source port */
> +	ODP_COS_FHDR_L4_DAP,	/**< Transport destination port */
> +	ODP_COS_FHDR_IPSEC_SPI,	/**< IPsec session identifier */
> +	ODP_COS_FHDR_LD_VNI,	/**< NVGRE/VXLAN network identifier */
> +	ODP_COS_FHDR_USER	/**< Application-specific header field(s) */
> +} odp_cos_hdr_flow_fields_e;
> +
> +/**
> + * Create a class-of-service
> + *
> + * @param[in]  name	String intended for debugging purposes.
> + *
> + * @return		Class of service instance identifier,
> + *			or ODP_COS_INVALID on error.
> + */
> +odp_cos_t odp_cos_create(const char *name);
> +
> +/**
> + * Discard a class-of-service along with all its associated resources
> + *
> + * @param[in]	cos_id	class-of-service instance.
> + *
> + * @return		0 on success, -1 on error.
> + */
> +int odp_cos_destroy(odp_cos_t cos_id);
> +
> +/**
> + * Assign a queue for a class-of-service
> + *
> + * @param[in]	cos_id		class-of-service instance.
> + *
> + * @param[in]	queue_id	Identifier of a queue where all packets
> + *				of this specific class of service
> + *				will be enqueued.
> + *
> + * @return			0 on success, -1 on error.
> + */
> +int odp_cos_set_queue(odp_cos_t cos_id, odp_queue_t queue_id);
> +
> +/**
> + * Assign a homogenous queue-group to a class-of-service.
> + *
> + * @param[in]	cos_id		class-of-service instance
> + * @param[in]	queue_group_id	Identifier of the queue group to receive packets
> + *				associated with this class of service.
> + *
> + * @return			0 on success, -1 on error.
> + */
> +int odp_cos_set_queue_group(odp_cos_t cos_id,
> +			    odp_queue_group_t queue_group_id);
> +
> +/**
> + * Assign packet buffer pool for specific class-of-service
> + *
> + * @param[in]	cos_id		class-of-service instance.
> + * @param[in]	pool_id		Buffer pool identifier where all packet buffers
> + *				will be sourced to store packet that
> + *				belong to this class of service.
> + *
> + * @return			0 on success, -1 on error.
> + *
> + * @note Optional.
> + */
> +int odp_cos_set_pool(odp_cos_t cos_id, odp_buffer_pool_t pool_id);
> +
> +
> +/**
> + * Assign packet drop policy for specific class-of-service
> + *
> + * @param[in]	cos_id		class-of-service instance.
> + * @param[in]	drop_policy	Desired packet drop policy for this class.
> + *
> + * @return			0 on success, -1 on error.
> + *
> + * @note Optional.
> + */
> +int odp_cos_set_drop(odp_cos_t cos_id, odp_drop_e drop_policy);
> +
> +/**
> + * Setup per-port default class-of-service.
> + *
> + * @param[in]	pktio_in	Ingress port identifier.
> + * @param[in]	default_cos	Class-of-service set to all packets arriving
> + *				at the pktio_in ingress port,
> + *				unless overridden by subsequent
> + *				header-based filters.
> + *
> + * @return			0 on success, -1 on error.
> + */
> +int odp_pktio_set_default_cos(odp_pktio_t pktio_in, odp_cos_t default_cos);
> +
> +/**
> + * Setup per-port error class-of-service
> + *
> + * @param[in]	pktio_in	Ingress port identifier.
> + * @param[in]	error_cos	class-of-service set to all packets arriving
> + *				at the pktio_in ingress port
> + *				that contain an error.
> + *
> + * @return			0 on success, -1 on error.
> + *
> + * @note Optional.
> + */
> +int odp_pktio_set_error_cos(odp_pktio_t pktio_in, odp_cos_t error_cos);
> +
> +/**
> + * Setup per-port header offset
> + *
> + * @param[in]	pktio_in	Ingress port identifier.
> + * @param[in]	offset		Number of bytes the classifier must skip.
> + *
> + * @return			0 on success, -1 on error.
> + * @note  Optional.
> + *
> + */
> +int odp_pktio_set_skip(odp_pktio_t pktio_in, size_t offset);
> +
> +/**
> + * Specify per-port buffer headroom
> + *
> + * @param[in]	pktio_in	Ingress port identifier.
> + * @param[in]	headroom	Number of bytes of space preceding
> + *				packet data to reserve for use as headroom.
> + *				Must not exceed the implementation
> + *				defined ODP_PACKET_MAX_HEADROOM.
> + *
> + * @return			0 on success, -1 on error.
> + *
> + * @note Optional.
> + */
> +int odp_pktio_set_headroom(odp_pktio_t port_id, size_t headroom);
> +
> +/**
> + * Specify per-cos buffer headroom
> + *
> + * @param[in]	cos_id		Class-of-service instance
> + * @param[in]	headroom	Number of bytes of space preceding packet
> + *				data to reserve for use as headroom.
> + *				Must not exceed the implementation
> + *				defined ODP_PACKET_MAX_HEADROOM.
> + *
> + * @return			0 on success, -1 on error.
> + *
> + * @note Optional.
> + */
> +int odp_cos_set_headroom(odp_cos_t cos_id, size_t req_room);
> +
> +/**
> + * Request to override per-port class of service
> + * based on Layer-2 priority field if present.
> + *
> + * @param[in]	pktio_in	Ingress port identifier.
> + * @param[in]	num_qos		Number of QoS levels, typically 8.
> + * @param[in]	qos_table	Values of the Layer-2 QoS header field.
> + * @param[in]	cos_table	Class-of-service assigned to each of the
> + *				allowed Layer-2 QOS levels.
> + * @return			0 on success, -1 on error.
> + */
> +int odp_cos_with_l2_priority(odp_pktio_t pktio_in,
> +			     size_t num_qos,
> +			     uint8_t qos_table[],
> +			     odp_cos_t cos_table[]);
> +
> +/**
> + * Request to override per-port class of service
> + * based on Layer-3 priority field if present.
> + *
> + * @param[in]	pktio_in	Ingress port identifier.
> + * @param[in]	num_qos		Number of allowed Layer-3 QoS levels.
> + * @param[in]	qos_table	Values of the Layer-3 QoS header field.
> + * @param[in]	cos_table	Class-of-service assigned to each of the
> + *				allowed Layer-3 QOS levels.
> + * @param[in]	l3_preference	when true, Layer-3 QoS overrides
> + *				L2 QoS when present.
> + *
> + * @return			0 on success, -1 on error.
> + *
> + * @note Optional.
> + */
> +int odp_cos_with_l3_qos(odp_pktio_t pktio_in,
> +			size_t num_qos,
> +			uint8_t qos_table[],
> +			odp_cos_t cos_table[],
> +			bool l3_preference);
> +
> +
> +/**
> + * Set of header fields that take part in flow signature hash calculation:
> + * bit positions per odp_cos_hdr_flow_fields_e enumeration.
> + */
> +typedef uint16_t odp_cos_flow_set_t;
> +
> +/**
> + * Set a member of the flow signature fields data set
> + */
> +static inline
> +odp_cos_flow_set_t odp_cos_flow_set(odp_cos_flow_set_t set,
> +				    odp_cos_hdr_flow_fields_e field)
> +{
> +	return set | (1U << field);
> +}
> +
> +/**
> + * Test a member of the flow signature fields data set
> + */
> +static inline bool
> +odp_cos_flow_is_set(odp_cos_flow_set_t set, odp_cos_hdr_flow_fields_e field)
> +{
> +	return (set & (1U << field)) != 0;
> +}
> +
> +/**
> + * Set up set of headers used to calculate a flow signature
> + * based on class-of-service.
> + *
> + * @param[in]	cos_id		Class of service instance identifier
> + * @param[in]	req_data_set	Requested data-set for
> + *				flow signature calculation
> + *
> + * @return			Data-set that was successfully applied.
> + *				All-zeros data set indicates a failure to
> + *				assign any of the requested fields,
> + *				or other error.
> + * @note Optional.
> + */
> +odp_cos_flow_set_t
> +odp_cos_class_flow_signature(odp_cos_t cos_id,
> +			     odp_cos_flow_set_t req_data_set);
> +
> +/**
> + * Set up set of headers used to calculate a flow signature
> + * based on ingress port.
> + *
> + * @param[in]	pktio_in	Ingress port identifier
> + * @param[in]	req_data_set	Requested data-set for
> + *				flow signature calculation
> + *
> + * @return			Data-set that was successfully applied.
> + *				An all-zeros data-set indicates a failure to
> + *				assign any of the requested fields,
> + *				or other error.
> + */
> +odp_cos_flow_set_t
> +odp_cos_port_flow_signature(odp_pktio_t pktio_in,
> +			    odp_cos_flow_set_t req_data_set);
> +
> +/**
> + * PMR - Packet Matching Rule
> + * Up to 32 bit of ternary matching of one of the available header fields
> + */
> +#define    ODP_PMR_INVAL ((odp_pmr_t)NULL)
> +typedef uint32_t odp_pmr_t;
> +
> +/**
> + * Packet Matching Rule field enumeration
> + * for fields that may be used to calculate
> + * the PMR, if present in a packet.
> + */
> +typedef enum odp_pmr_term {
> +	ODP_PMR_LEN,		/**< Total length of received packet*/
> +	ODP_PMR_ETHTYPE_0,	/**< Initial (outer)
> +				Ethertype only (*val=uint16_t)*/
> +	ODP_PMR_ETHTYPE_X,	/**< Ethertype of most inner VLAN tag
> +				(*val=uint16_t)*/
> +	ODP_PMR_VLAN_ID_0,	/**< First VLAN ID (outer) (*val=uint16_t) */
> +	ODP_PMR_VLAN_ID_X,	/**< Last VLAN ID (inner) (*val=uint16_t) */
> +	ODP_PMR_DMAC,		/**< destination MAC address (*val=uint64_t)*/
> +	ODP_PMR_IPPROTO,	/**< IP Protocol or IPv6 Next Header
> +				(*val=uint8_t) */
> +	ODP_PMR_UDP_DPORT,	/**< Destination UDP port, implies IPPROTO=17*/
> +	ODP_PMR_TCP_DPORT,	/**< Destination TCP port implies IPPROTO=6*/
> +	ODP_PMR_UDP_SPORT,	/**< Source UDP Port (*val=uint16_t)*/
> +	ODP_PMR_TCP_SPORT,	/**< Source TCP port (*val=uint16_t)*/
> +	ODP_PMR_SIP_ADDR,	/**< Source IP address (uint32_t)*/
> +	ODP_PMR_DIP_ADDR,	/**< Destination IP address (uint32_t)*/
> +	ODP_PMR_SIP6_ADDR,	/**< Source IP address (uint8_t[16])*/
> +	ODP_PMR_DIP6_ADDR,	/**< Destination IP address (uint8_t[16])*/
> +	ODP_PMR_IPSEC_SPI,	/**< IPsec session identifier(*val=uint32_t)*/
> +	ODP_PMR_LD_VNI,		/**< NVGRE/VXLAN network identifier
> +				(*val=uint32_t)*/
> +
> +	/** Inner header may repeat above values with this offset */
> +	ODP_PMR_INNER_HDR_OFF = 32
> +} odp_pmr_term_e;
> +
> +/**
> + * Create a packet match rule with mask and value
> + *
> + * @param[in]	term	One of the enumerated values supported
> + * @param[in]	val     Value to match against the packet header
> + *			in native byte order.
> + * @param[in]	mask	Mask to indicate which bits of the header
> + *			should be matched ('1') and
> + *			which should be ignored ('0')
> + * @param[in]	val_sz  Size of the val and mask arguments,
> + *			that must match the value size requirement of the
> + *			specific term.
> + *
> + * @return		Handle of the matching rule or ODP_PMR_INVAL on error
> + */
> +odp_pmr_t odp_pmr_create_match(odp_pmr_term_e term,
> +			       const void *val,
> +			       const void *mask,
> +			       size_t val_sz);
> +
> +/**
> + * Create a packet match rule with value range
> + *
> + * @param[in]	term	One of the enumerated values supported
> + * @param[in]	val1    Lower bound of the header field range.
> + * @param[in]	val2    Upper bound of the header field range.
> + * @param[in]	val_sz	Size of the val1 and val2 arguments,
> + *			that must match the value size requirement of the
> + *			specific term.
> + *
> + * @return		Handle of the matching rule or ODP_PMR_INVAL on error
> + * @note: Range is inclusive [val1..val2].
> + */
> +odp_pmr_t odp_pmr_create_range(odp_pmr_term_e term,
> +			       const void *val1,
> +			       const void *val2,
> +			       size_t val_sz);
> +/**
> + * Invalidate a packet match rule and vacate its resources
> + *
> + * @param[in]	pmr_id	Identifier of the PMR to be destroyed
> + *
> + * @return		0 on success, -1 or error.
> + */
> +int odp_pmr_destroy(odp_pmr_t pmr_id);
> +
> +/**
> + * Apply a PMR to a pktio to assign a CoS.
> + *
> + * @param[in]	pmr_id		PMR to be activated
> + * @param[in]	src_pktio	pktio to which this PMR is to be applied
> + * @param[in]	dst_cos		CoS to be assigned by this PMR
> + *
> + * @return			0 on success, -1 or error.
> + */
> +int odp_pktio_pmr_cos(odp_pmr_t pmr_id,
> +		      odp_pktio_t src_pktio, odp_cos_t dst_cos);
> +
> +/**
> + * Cascade a PMR to refine packets from one CoS to another.
> + *
> + * @param[in]	pmr_id		PMR to be activated
> + * @param[in]	src_cos		CoS to be filtered
> + * @param[in]	dst_cos		CoS to be assigned to packets filtered
> + *				from src_cos that match pmr_id.
> + *
> + * @return			0 on success, -1 on error.
> + */
> +int odp_cos_pmr_cos(odp_pmr_t pmr_id, odp_cos_t src_cos, odp_cos_t dst_cos);
> +
> +/**
> + * Retrieve packet matcher statistics
> + *
> + * @param[in]	pmr_id		PMR from which to retrieve the count
> + *
> + * @return			Current number of matches for a given matcher instance.
> + */
> +signed long odp_pmr_match_count(odp_pmr_t pmr_id);
> +
> +/**
> + * Inquire about matching terms supported by the classifier
> + *
> + * @return A mask one bit per enumerated term, one for each of op_pmr_term_e
> + */
> +unsigned long long odp_pmr_terms_cap(void);
> +
> +/**
> + * Return the number of packet matching terms available for use
> + *
> + * @return A number of packet matcher resources available for use.
> + */
> +unsigned odp_pmr_terms_avail(void);
> +
> +/**
> + * Packet Match Type field enumeration
> + * for fields that may be used to identify
> + * the different PMR match type.
> + */
> +typedef enum odp_pmr_match_type {
> +		ODP_PMR_MASK,       /**< Match a masked set of bits */
> +		ODP_PMR_RANGE,      /**< Match an integer range */
> +	} odp_pmr_match_type_e;
> +
> +/**
> + * Following structure is used to define composite packet matching rules
> + * in the form of an array of individual match or range rules.
> + * The underlying platform may not support all or any specific combination
> + * of value match or range rules, and the application should take care
> + * of inspecting the return value when installing such rules, and perform
> + * appropriate fallback action.
> + */
> +typedef struct odp_pmr_match_t {
> +	odp_pmr_match_type_e match_type;
> +	union {
> +		struct {
> +			odp_pmr_term_e  term;
> +			const void          *val;
> +			const void          *mask;
> +			unsigned int         val_sz;
> +		} mask; /**< Match a masked set of bits */
> +		struct {
> +			odp_pmr_term_e  term;
> +			const void          *val1;
> +			const void          *val2;
> +			unsigned int         val_sz;
> +		} range; /**< Match an integer range */
> +	};
> +} odp_pmr_match_t;
> +
> +/** An opaque handle to a composite packet match rule-set */
> +typedef uint32_t odp_pmr_set_t;
> +
> +/**
> + * Create a composite packet match rule
> + *
> + * @param[in]	num_terms	Number of terms in the match rule.
> + * @param[in]	terms		Array of num_terms entries, one entry per
> + *				term desired.
> + * @param[in]	dst_cos		Class-of-service to be assigned to packets
> + *				that match the compound rule-set,
> + *				or a subset thereof, if partly applied.
> + * @param[out]	pmr_set_id	Returned handle to the composite rule set.
> + *
> + * @return			Return value may be a positive number
> + *				indicating the number of terms elements
> + *				that have been successfully mapped to the
> + *				underlying platform classification engine and
> + *				may be in the range from 1 to num_terms,
> + *				or -1 for error.
> + */
> +int odp_pmr_match_set_create(int num_terms, odp_pmr_match_t *terms,
> +			     odp_pmr_set_t *pmr_set_id);
> +
> +/**
> + * Function to delete a composite packet match rule set
> + * Depending on the implementation details, destroying a rule-set
> + * may not guarantee the availability of hardware resources to create the
> + * same or essentially similar rule-set.
> + *
> + * All of the resources pertaining to the match set associated with the
> + * class-of-service will be released, but the class-of-service will
> + * remain intact.
> + *
> + * @param[in]	pmr_set_id	A composite rule-set handle
> + *				returned when created.
> + *
> + * @return			0 on success, -1 on error.
> + */
> +int odp_pmr_match_set_destroy(odp_pmr_set_t pmr_set_id);
> +
> +/**
> + * Apply a PMR Match Set to a pktio to assign a CoS.
> + *
> + * @param[in]	pmr_set_id	PMR match set to be activated
> + * @param[in]	src_pktio	pktio to which this PMR match
> + *				set is to be applied
> + * @param[in]	dst_cos		CoS to be assigned by this PMR match set
> + *
> + * @return			0 on success, -1 or error.
> + */
> +int odp_pktio_pmr_match_set_cos(odp_pmr_set_t pmr_set_id, odp_pktio_t src_pktio,
> +				odp_cos_t dst_cos);
> +
> +#ifdef __cplusplus
> +}
> +#endif
> +
> +#endif
> diff --git a/platform/linux-generic/include/api/odp_packet_io.h b/platform/linux-generic/include/api/odp_packet_io.h
> index 29fd105..f153ae2 100644
> --- a/platform/linux-generic/include/api/odp_packet_io.h
> +++ b/platform/linux-generic/include/api/odp_packet_io.h
> @@ -30,6 +30,11 @@ typedef uint32_t odp_pktio_t;
>   #define ODP_PKTIO_INVALID 0
>   
>   /**
> + * odp_pktio_t value to indicate any port
> + */
> +#define ODP_PKTIO_ANY ((odp_pktio_t)~0)
> +
> +/**
>    * Open an ODP packet IO instance
>    *
>    * @param dev    Packet IO device
> diff --git a/platform/linux-generic/include/api/odp_queue.h b/platform/linux-generic/include/api/odp_queue.h
> index 5e083f1..6e8efa9 100644
> --- a/platform/linux-generic/include/api/odp_queue.h
> +++ b/platform/linux-generic/include/api/odp_queue.h
> @@ -28,6 +28,11 @@ extern "C" {
>    */
>   typedef uint32_t odp_queue_t;
>   
> +/**
> + * Queue group instance type
> + */
> +typedef uint32_t odp_queue_group_t;
> +
>   /** Invalid queue */
>   #define ODP_QUEUE_INVALID  0
>   
> diff --git a/platform/linux-generic/odp_classification.c b/platform/linux-generic/odp_classification.c
> new file mode 100644
> index 0000000..901087c
> --- /dev/null
> +++ b/platform/linux-generic/odp_classification.c
> @@ -0,0 +1,236 @@
> +#include <odp_classification.h>
> +#include <odp_align.h>
> +#include <odp_queue.h>
> +#include <odp_debug.h>
> +#include <odp_debug_internal.h>
> +#include <odp_packet_io.h>
> +
> +odp_cos_t odp_cos_create(const char *name)
> +{
> +	(void) name;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +
> +int odp_cos_destroy(odp_cos_t cos_id)
> +{
> +	(void)cos_id;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +
> +int odp_cos_set_queue(odp_cos_t cos_id, odp_queue_t queue_id)
> +{
> +	(void)cos_id;
> +	(void)queue_id;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +
> +int odp_cos_set_queue_group(odp_cos_t cos_id, odp_queue_group_t queue_group_id)
> +{
> +	(void)cos_id;
> +	(void)queue_group_id;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +
> +int odp_cos_set_pool(odp_cos_t cos_id, odp_buffer_pool_t pool_id)
> +{
> +	(void)cos_id;
> +	(void) pool_id;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +
> +
> +int odp_cos_set_drop(odp_cos_t cos_id, odp_drop_e drop_policy)
> +{
> +	(void)cos_id;
> +	(void)drop_policy;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +
> +int odp_pktio_set_default_cos(odp_pktio_t pktio_in, odp_cos_t default_cos)
> +{
> +	(void)pktio_in;
> +	(void)default_cos;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +int odp_pktio_set_error_cos(odp_pktio_t pktio_in, odp_cos_t error_cos)
> +{
> +	(void)pktio_in;
> +	(void)error_cos;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +
> +int odp_pktio_set_skip(odp_pktio_t pktio_in, size_t offset)
> +{
> +	(void)pktio_in;
> +	(void)offset;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +
> +int odp_pktio_set_headroom(odp_pktio_t port_id, size_t headroom)
> +{
> +	(void)port_id;
> +	(void)headroom;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +int odp_cos_set_headroom(odp_cos_t cos_id, size_t req_room)
> +{
> +	(void)cos_id;
> +	(void)req_room;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +
> +int odp_cos_with_l2_priority(odp_pktio_t pktio_in,
> +			     size_t num_qos,
> +			     uint8_t qos_table[],
> +			     odp_cos_t cos_table[])
> +{
> +	(void)pktio_in;
> +	(void)num_qos;
> +	(void)qos_table;
> +	(void)cos_table;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +
> +int odp_cos_with_l3_qos(odp_pktio_t pktio_in,
> +			size_t num_qos,
> +			uint8_t qos_table[],
> +			odp_cos_t cos_table[],
> +			bool l3_preference)
> +{
> +	(void)pktio_in;
> +	(void)num_qos;
> +	(void)qos_table;
> +	(void)cos_table;
> +	(void)l3_preference;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +
> +odp_cos_flow_set_t
> +odp_cos_class_flow_signature(odp_cos_t cos_id,
> +			     odp_cos_flow_set_t req_data_set)
> +{
> +	(void)cos_id;
> +	(void)req_data_set;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +odp_cos_flow_set_t
> +odp_cos_port_flow_signature(odp_pktio_t pktio_in,
> +			    odp_cos_flow_set_t req_data_set)
> +{
> +	(void)pktio_in;
> +	(void)req_data_set;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +
> +odp_pmr_t odp_pmr_create_match(odp_pmr_term_e term,
> +			       const void *val,
> +			       const void *mask,
> +			       size_t val_sz)
> +{
> +	(void)term;
> +	(void)val;
> +	(void)mask;
> +	(void)val_sz;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +
> +odp_pmr_t odp_pmr_create_range(odp_pmr_term_e term,
> +			       const void *val1,
> +			       const void *val2,
> +			       size_t val_sz)
> +{
> +	(void)term;
> +	(void)val1;
> +	(void)val2;
> +	(void)val_sz;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +int odp_pmr_destroy(odp_pmr_t pmr_id)
> +{
> +	(void)pmr_id;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +
> +int odp_pktio_pmr_cos(odp_pmr_t pmr_id,
> +		      odp_pktio_t src_pktio,
> +		      odp_cos_t dst_cos)
> +{
> +	(void)pmr_id;
> +	(void)src_pktio;
> +	(void)dst_cos;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +
> +int odp_cos_pmr_cos(odp_pmr_t pmr_id, odp_cos_t src_cos, odp_cos_t dst_cos)
> +{
> +	(void)pmr_id;
> +	(void)src_cos;
> +	(void)dst_cos;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +
> +signed long odp_pmr_match_count(odp_pmr_t pmr_id)
> +{
> +	(void)pmr_id;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +
> +unsigned long long odp_pmr_terms_cap(void)
> +{
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +
> +unsigned odp_pmr_terms_avail(void)
> +{
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +
> +int odp_pmr_match_set_create(int num_terms, odp_pmr_match_t *terms,
> +			     odp_pmr_set_t *pmr_set_id)
> +{
> +	(void)num_terms;
> +	(void)terms;
> +	(void)pmr_set_id;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +
> +int odp_pmr_match_set_destroy(odp_pmr_set_t pmr_set_id)
> +{
> +	(void)pmr_set_id;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}
> +
> +int odp_pktio_pmr_match_set_cos(odp_pmr_set_t pmr_set_id, odp_pktio_t src_pktio,
> +				odp_cos_t dst_cos)
> +{
> +	(void)pmr_set_id;
> +	(void)src_pktio;
> +	(void)dst_cos;
> +	ODP_UNIMPLEMENTED();
> +	return 0;
> +}