9c7188a68d
Provide C-level interface for Arkville's internal HW resources pktchkr and pktgen Signed-off-by: Ed Czeck <ed.czeck@atomicrules.com>
109 lines
4.1 KiB
C
109 lines
4.1 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) 2015-2017 Atomic Rules LLC
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _ARK_PKTGEN_H_
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#define _ARK_PKTGEN_H_
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#include <stdint.h>
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#include <inttypes.h>
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#define ARK_PKTGEN_BASE_ADR 0x10000
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typedef void *ark_pkt_gen_t;
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/* The packet generator is an internal Arkville hardware module, which
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* generates known packets for use in integrity and line-rate testing.
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* This module is *not* intended for end-user manipulation, hence
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* there is minimal documentation.
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*/
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/*
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* This is an overlay structure to a memory mapped FPGA device. These
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* structs will never be instantiated in ram memory
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*/
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struct ark_pkt_gen_regs {
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uint32_t r0;
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volatile uint32_t pkt_start_stop;
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volatile uint32_t pkt_ctrl;
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uint32_t pkt_payload;
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uint32_t pkt_spacing;
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uint32_t pkt_size_min;
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uint32_t pkt_size_max;
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uint32_t pkt_size_incr;
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volatile uint32_t num_pkts;
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volatile uint32_t pkts_sent;
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uint32_t src_mac_addr_l;
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uint32_t src_mac_addr_h;
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uint32_t dst_mac_addr_l;
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uint32_t dst_mac_addr_h;
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uint32_t eth_type;
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uint32_t hdr_dw[7];
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uint32_t start_offset;
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uint32_t bytes_per_cycle;
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} __attribute__ ((packed));
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struct ark_pkt_gen_inst {
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struct rte_eth_dev_info *dev_info;
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struct ark_pkt_gen_regs *regs;
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int l2_mode;
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int ordinal;
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};
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/* packet generator functions */
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ark_pkt_gen_t ark_pktgen_init(void *arg, int ord, int l2_mode);
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void ark_pktgen_uninit(ark_pkt_gen_t handle);
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void ark_pktgen_run(ark_pkt_gen_t handle);
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void ark_pktgen_pause(ark_pkt_gen_t handle);
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uint32_t ark_pktgen_paused(ark_pkt_gen_t handle);
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uint32_t ark_pktgen_is_gen_forever(ark_pkt_gen_t handle);
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uint32_t ark_pktgen_is_running(ark_pkt_gen_t handle);
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uint32_t ark_pktgen_tx_done(ark_pkt_gen_t handle);
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void ark_pktgen_reset(ark_pkt_gen_t handle);
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void ark_pktgen_wait_done(ark_pkt_gen_t handle);
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uint32_t ark_pktgen_get_pkts_sent(ark_pkt_gen_t handle);
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void ark_pktgen_set_payload_byte(ark_pkt_gen_t handle, uint32_t b);
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void ark_pktgen_set_pkt_spacing(ark_pkt_gen_t handle, uint32_t x);
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void ark_pktgen_set_pkt_size_min(ark_pkt_gen_t handle, uint32_t x);
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void ark_pktgen_set_pkt_size_max(ark_pkt_gen_t handle, uint32_t x);
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void ark_pktgen_set_pkt_size_incr(ark_pkt_gen_t handle, uint32_t x);
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void ark_pktgen_set_num_pkts(ark_pkt_gen_t handle, uint32_t x);
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void ark_pktgen_set_src_mac_addr(ark_pkt_gen_t handle, uint64_t mac_addr);
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void ark_pktgen_set_dst_mac_addr(ark_pkt_gen_t handle, uint64_t mac_addr);
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void ark_pktgen_set_eth_type(ark_pkt_gen_t handle, uint32_t x);
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void ark_pktgen_set_hdr_dW(ark_pkt_gen_t handle, uint32_t *hdr);
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void ark_pktgen_set_start_offset(ark_pkt_gen_t handle, uint32_t x);
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void ark_pktgen_parse(char *argv);
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void ark_pktgen_setup(ark_pkt_gen_t handle);
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#endif
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