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/* Copyright (C) 2021 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/**
* \file
*
* \author Lukas Sismis <lukas.sismis@gmail.com>
*/
#ifndef __SOURCE_DPDK_H__
#define __SOURCE_DPDK_H__
#include "suricata-common.h"
#ifdef HAVE_DPDK
#include <rte_ethdev.h>
#endif
typedef enum { DPDK_COPY_MODE_NONE, DPDK_COPY_MODE_TAP, DPDK_COPY_MODE_IPS } DpdkCopyModeEnum;
#define DPDK_BURST_TX_WAIT_US 1
/* DPDK Flags */
// General flags
#define DPDK_PROMISC (1 << 0) /**< Promiscuous mode */
#define DPDK_MULTICAST (1 << 1) /**< Enable multicast packets */
#define DPDK_IRQ_MODE (1 << 2) /**< Interrupt mode */
// Offloads
#define DPDK_RX_CHECKSUM_OFFLOAD (1 << 4) /**< Enable chsum offload */
void DPDKSetTimevalOfMachineStart(void);
typedef struct DPDKIfaceConfig_ {
#ifdef HAVE_DPDK
char iface[RTE_ETH_NAME_MAX_LEN];
uint16_t port_id;
int32_t socket_id;
/* number of threads - zero means all available */
int threads;
/* IPS mode */
DpdkCopyModeEnum copy_mode;
const char *out_iface;
uint16_t out_port_id;
/* DPDK flags */
uint32_t flags;
ChecksumValidationMode checksum_mode;
uint64_t rss_hf;
/* set maximum transmission unit of the device in bytes */
uint16_t mtu;
uint16_t nb_rx_queues;
uint16_t nb_rx_desc;
uint16_t nb_tx_queues;
uint16_t nb_tx_desc;
uint32_t mempool_size;
uint32_t mempool_cache_size;
struct rte_mempool *pkt_mempool;
SC_ATOMIC_DECLARE(unsigned int, ref);
/* threads bind queue id one by one */
SC_ATOMIC_DECLARE(uint16_t, queue_id);
SC_ATOMIC_DECLARE(uint16_t, inconsitent_numa_cnt);
void (*DerefFunc)(void *);
struct rte_flow *flow[100];
#endif
} DPDKIfaceConfig;
/**
* \brief per packet DPDK vars
*
* This structure is used by the release data system and for IPS
*/
typedef struct DPDKPacketVars_ {
struct rte_mbuf *mbuf;
uint16_t out_port_id;
uint16_t out_queue_id;
uint8_t copy_mode;
} DPDKPacketVars;
void TmModuleReceiveDPDKRegister(void);
void TmModuleDecodeDPDKRegister(void);
#endif /* __SOURCE_DPDK_H__ */
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