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/*-
* BSD LICENSE
*
* Copyright (c) 2015-2017 Atomic Rules LLC
* 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.
* * Neither the name of copyright holder 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
* "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.
*/
#ifndef _ARK_PKTGEN_H_
#define _ARK_PKTGEN_H_
#include <stdint.h>
#include <inttypes.h>
#define ARK_PKTGEN_BASE_ADR 0x10000
typedef void *ark_pkt_gen_t;
/* The packet generator is an internal Arkville hardware module, which
* generates known packets for use in integrity and line-rate testing.
* This module is *not* intended for end-user manipulation, hence
* there is minimal documentation.
*/
/*
* This is an overlay structure to a memory mapped FPGA device. These
* structs will never be instantiated in ram memory
*/
struct ark_pkt_gen_regs {
uint32_t r0;
volatile uint32_t pkt_start_stop;
volatile uint32_t pkt_ctrl;
uint32_t pkt_payload;
uint32_t pkt_spacing;
uint32_t pkt_size_min;
uint32_t pkt_size_max;
uint32_t pkt_size_incr;
volatile uint32_t num_pkts;
volatile uint32_t pkts_sent;
uint32_t src_mac_addr_l;
uint32_t src_mac_addr_h;
uint32_t dst_mac_addr_l;
uint32_t dst_mac_addr_h;
uint32_t eth_type;
uint32_t hdr_dw[7];
uint32_t start_offset;
uint32_t bytes_per_cycle;
} __attribute__ ((packed));
struct ark_pkt_gen_inst {
struct rte_eth_dev_info *dev_info;
struct ark_pkt_gen_regs *regs;
int l2_mode;
int ordinal;
};
/* packet generator functions */
ark_pkt_gen_t ark_pktgen_init(void *arg, int ord, int l2_mode);
void ark_pktgen_uninit(ark_pkt_gen_t handle);
void ark_pktgen_run(ark_pkt_gen_t handle);
void ark_pktgen_pause(ark_pkt_gen_t handle);
uint32_t ark_pktgen_paused(ark_pkt_gen_t handle);
uint32_t ark_pktgen_is_gen_forever(ark_pkt_gen_t handle);
uint32_t ark_pktgen_is_running(ark_pkt_gen_t handle);
uint32_t ark_pktgen_tx_done(ark_pkt_gen_t handle);
void ark_pktgen_reset(ark_pkt_gen_t handle);
void ark_pktgen_wait_done(ark_pkt_gen_t handle);
uint32_t ark_pktgen_get_pkts_sent(ark_pkt_gen_t handle);
void ark_pktgen_set_payload_byte(ark_pkt_gen_t handle, uint32_t b);
void ark_pktgen_set_pkt_spacing(ark_pkt_gen_t handle, uint32_t x);
void ark_pktgen_set_pkt_size_min(ark_pkt_gen_t handle, uint32_t x);
void ark_pktgen_set_pkt_size_max(ark_pkt_gen_t handle, uint32_t x);
void ark_pktgen_set_pkt_size_incr(ark_pkt_gen_t handle, uint32_t x);
void ark_pktgen_set_num_pkts(ark_pkt_gen_t handle, uint32_t x);
void ark_pktgen_set_src_mac_addr(ark_pkt_gen_t handle, uint64_t mac_addr);
void ark_pktgen_set_dst_mac_addr(ark_pkt_gen_t handle, uint64_t mac_addr);
void ark_pktgen_set_eth_type(ark_pkt_gen_t handle, uint32_t x);
void ark_pktgen_set_hdr_dW(ark_pkt_gen_t handle, uint32_t *hdr);
void ark_pktgen_set_start_offset(ark_pkt_gen_t handle, uint32_t x);
void ark_pktgen_parse(char *argv);
void ark_pktgen_setup(ark_pkt_gen_t handle);
#endif
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