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onvm_pkt_common.h
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/*********************************************************************
* openNetVM
* https://sdnfv.github.io
*
* BSD LICENSE
*
* Copyright(c)
* 2015-2019 George Washington University
* 2015-2019 University of California Riverside
* 2010-2019 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * 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.
* * The name of the author may not 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
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
********************************************************************/
/******************************************************************************
onvm_pkt_common.h
Header file containing all prototypes of packet processing functions
******************************************************************************/
#ifndef _ONVM_PKT_COMMON_H_
#define _ONVM_PKT_COMMON_H_
#include "onvm_common.h"
#include "onvm_flow_dir.h"
#include "onvm_includes.h"
#include "onvm_sc_common.h"
#include "onvm_sc_mgr.h"
extern struct port_info *ports;
extern struct onvm_service_chain *default_chain;
/*********************************Interfaces**********************************/
/*
* Interface to process packets in a given TX queue.
*
* Inputs : a pointer to the tx queue
* an array of packets
* the size of the array
* a pointer to the NF possessing the TX queue.
*
*/
void
onvm_pkt_process_tx_batch(struct queue_mgr *tx_mgr, struct rte_mbuf *pkts[], uint16_t tx_count, struct onvm_nf *nf);
/*
* Interface to send packets to all NFs after processing them.
*
* Input : a pointer to the tx queue
* a pointer to the NF possessing the TX queue.
*
*/
void
onvm_pkt_flush_all_nfs(struct queue_mgr *tx_mgr, struct onvm_nf *source_nf);
/*
* Function to send packets to one NF after processing them.
*
* Input : a pointer to the tx queue
* a pointer to the NF possessing the TX queue.
*
*/
void
onvm_pkt_flush_nf_queue(struct queue_mgr *tx_mgr, uint16_t nf_id, struct onvm_nf *source_nf);
/*
* Function to enqueue a packet on one NF's queue.
*
* Inputs : a pointer to the tx queue responsible
* a destination nf id
* a pointer to the packet
* a pointer to the NF possessing the TX queue.
*
*/
void
onvm_pkt_enqueue_nf(struct queue_mgr *tx_mgr, uint16_t dst_service_id, struct rte_mbuf *pkt, struct onvm_nf *source_nf);
/*
* Function to send packets to one port after processing them.
*
* Input : a pointer to the tx queue
* the number of the port
*
*/
void
onvm_pkt_flush_port_queue(struct queue_mgr *tx_mgr, uint16_t port);
/*
* Give packets to TX thread so it can do useful work.
*
* Inputs : a pointer to the packet buf
* a pointer to the NF
*
*/
void
onvm_pkt_enqueue_tx_thread(struct packet_buf *pkt_buf, struct onvm_nf *nf);
#endif // _ONVM_PKT_COMMON_H_