diff options
Diffstat (limited to 'drivers/net/ark/ark_pktgen.h')
| -rw-r--r-- | drivers/net/ark/ark_pktgen.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/drivers/net/ark/ark_pktgen.h b/drivers/net/ark/ark_pktgen.h new file mode 100644 index 00000000..bf5a241b --- /dev/null +++ b/drivers/net/ark/ark_pktgen.h @@ -0,0 +1,108 @@ +/*- + * 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 |