numam-dpdk/examples/ip_pipeline/pipeline/pipeline_routing_be.h

/*-
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 *
 *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
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 *
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions
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 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *     * Neither the name of Intel Corporation nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __INCLUDE_PIPELINE_ROUTING_BE_H__
#define __INCLUDE_PIPELINE_ROUTING_BE_H__

#include <rte_ether.h>

#include "pipeline_common_be.h"

/*
 * Route
 */
enum pipeline_routing_route_key_type {
	PIPELINE_ROUTING_ROUTE_IPV4,
};

struct pipeline_routing_route_key_ipv4 {
	uint32_t ip;
	uint32_t depth;
};

struct pipeline_routing_route_key {
	enum pipeline_routing_route_key_type type;
	union {
		struct pipeline_routing_route_key_ipv4 ipv4;
	} key;
};

enum pipeline_routing_route_flags {
	PIPELINE_ROUTING_ROUTE_LOCAL = 1 << 0, /* 0 = remote; 1 = local */
};

/*
 * ARP
 */
enum pipeline_routing_arp_key_type {
	PIPELINE_ROUTING_ARP_IPV4,
};

struct pipeline_routing_arp_key_ipv4 {
	uint32_t port_id;
	uint32_t ip;
};

struct pipeline_routing_arp_key {
	enum pipeline_routing_arp_key_type type;
	union {
		struct pipeline_routing_arp_key_ipv4 ipv4;
	} key;
};

/*
 * Messages
 */
enum pipeline_routing_msg_req_type {
	PIPELINE_ROUTING_MSG_REQ_ROUTE_ADD,
	PIPELINE_ROUTING_MSG_REQ_ROUTE_DEL,
	PIPELINE_ROUTING_MSG_REQ_ROUTE_ADD_DEFAULT,
	PIPELINE_ROUTING_MSG_REQ_ROUTE_DEL_DEFAULT,
	PIPELINE_ROUTING_MSG_REQ_ARP_ADD,
	PIPELINE_ROUTING_MSG_REQ_ARP_DEL,
	PIPELINE_ROUTING_MSG_REQ_ARP_ADD_DEFAULT,
	PIPELINE_ROUTING_MSG_REQ_ARP_DEL_DEFAULT,
	PIPELINE_ROUTING_MSG_REQS
};

/*
 * MSG ROUTE ADD
 */
struct pipeline_routing_route_add_msg_req {
	enum pipeline_msg_req_type type;
	enum pipeline_routing_msg_req_type subtype;

	/* key */
	struct pipeline_routing_route_key key;

	/* data */
	uint32_t flags;
	uint32_t port_id; /* Output port ID */
	uint32_t ip; /* Next hop IP address (only valid for remote routes) */
};

struct pipeline_routing_route_add_msg_rsp {
	int status;
	int key_found;
	void *entry_ptr;
};

/*
 * MSG ROUTE DELETE
 */
struct pipeline_routing_route_delete_msg_req {
	enum pipeline_msg_req_type type;
	enum pipeline_routing_msg_req_type subtype;

	/* key */
	struct pipeline_routing_route_key key;
};

struct pipeline_routing_route_delete_msg_rsp {
	int status;
	int key_found;
};

/*
 * MSG ROUTE ADD DEFAULT
 */
struct pipeline_routing_route_add_default_msg_req {
	enum pipeline_msg_req_type type;
	enum pipeline_routing_msg_req_type subtype;

	/* data */
	uint32_t port_id;
};

struct pipeline_routing_route_add_default_msg_rsp {
	int status;
	void *entry_ptr;
};

/*
 * MSG ROUTE DELETE DEFAULT
 */
struct pipeline_routing_route_delete_default_msg_req {
	enum pipeline_msg_req_type type;
	enum pipeline_routing_msg_req_type subtype;
};

struct pipeline_routing_route_delete_default_msg_rsp {
	int status;
};

/*
 * MSG ARP ADD
 */
struct pipeline_routing_arp_add_msg_req {
	enum pipeline_msg_req_type type;
	enum pipeline_routing_msg_req_type subtype;

	/* key */
	struct pipeline_routing_arp_key key;

	/* data */
	struct ether_addr macaddr;
};

struct pipeline_routing_arp_add_msg_rsp {
	int status;
	int key_found;
	void *entry_ptr;
};

/*
 * MSG ARP DELETE
 */
struct pipeline_routing_arp_delete_msg_req {
	enum pipeline_msg_req_type type;
	enum pipeline_routing_msg_req_type subtype;

	/* key */
	struct pipeline_routing_arp_key key;
};

struct pipeline_routing_arp_delete_msg_rsp {
	int status;
	int key_found;
};

/*
 * MSG ARP ADD DEFAULT
 */
struct pipeline_routing_arp_add_default_msg_req {
	enum pipeline_msg_req_type type;
	enum pipeline_routing_msg_req_type subtype;

	/* data */
	uint32_t port_id;
};

struct pipeline_routing_arp_add_default_msg_rsp {
	int status;
	void *entry_ptr;
};

/*
 * MSG ARP DELETE DEFAULT
 */
struct pipeline_routing_arp_delete_default_msg_req {
	enum pipeline_msg_req_type type;
	enum pipeline_routing_msg_req_type subtype;
};

struct pipeline_routing_arp_delete_default_msg_rsp {
	int status;
};

extern struct pipeline_be_ops pipeline_routing_be_ops;

#endif