/* * 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. */ #include #include #include #include #include #include #include #include "ark_pktgen.h" #include "ark_logs.h" #define ARK_MAX_STR_LEN 64 union OPTV { int INT; int BOOL; uint64_t LONG; char STR[ARK_MAX_STR_LEN]; }; enum OPTYPE { OTINT, OTLONG, OTBOOL, OTSTRING }; struct OPTIONS { char opt[ARK_MAX_STR_LEN]; enum OPTYPE t; union OPTV v; }; static struct OPTIONS toptions[] = { {{"configure"}, OTBOOL, {1} }, {{"dg-mode"}, OTBOOL, {1} }, {{"run"}, OTBOOL, {0} }, {{"pause"}, OTBOOL, {0} }, {{"reset"}, OTBOOL, {0} }, {{"dump"}, OTBOOL, {0} }, {{"gen_forever"}, OTBOOL, {0} }, {{"en_slaved_start"}, OTBOOL, {0} }, {{"vary_length"}, OTBOOL, {0} }, {{"incr_payload"}, OTBOOL, {0} }, {{"incr_first_byte"}, OTBOOL, {0} }, {{"ins_seq_num"}, OTBOOL, {0} }, {{"ins_time_stamp"}, OTBOOL, {1} }, {{"ins_udp_hdr"}, OTBOOL, {0} }, {{"num_pkts"}, OTLONG, .v.LONG = 100000000}, {{"payload_byte"}, OTINT, {0x55} }, {{"pkt_spacing"}, OTINT, {130} }, {{"pkt_size_min"}, OTINT, {2006} }, {{"pkt_size_max"}, OTINT, {1514} }, {{"pkt_size_incr"}, OTINT, {1} }, {{"eth_type"}, OTINT, {0x0800} }, {{"src_mac_addr"}, OTLONG, .v.LONG = 0xdC3cF6425060L}, {{"dst_mac_addr"}, OTLONG, .v.LONG = 0x112233445566L}, {{"hdr_dW0"}, OTINT, {0x0016e319} }, {{"hdr_dW1"}, OTINT, {0x27150004} }, {{"hdr_dW2"}, OTINT, {0x76967bda} }, {{"hdr_dW3"}, OTINT, {0x08004500} }, {{"hdr_dW4"}, OTINT, {0x005276ed} }, {{"hdr_dW5"}, OTINT, {0x40004006} }, {{"hdr_dW6"}, OTINT, {0x56cfc0a8} }, {{"start_offset"}, OTINT, {0} }, {{"bytes_per_cycle"}, OTINT, {10} }, {{"shaping"}, OTBOOL, {0} }, {{"dst_ip"}, OTSTRING, .v.STR = "169.254.10.240"}, {{"dst_port"}, OTINT, {65536} }, {{"src_port"}, OTINT, {65536} }, }; ark_pkt_gen_t ark_pktgen_init(void *adr, int ord, int l2_mode) { struct ark_pkt_gen_inst *inst = rte_malloc("ark_pkt_gen_inst_pmd", sizeof(struct ark_pkt_gen_inst), 0); inst->regs = (struct ark_pkt_gen_regs *)adr; inst->ordinal = ord; inst->l2_mode = l2_mode; return inst; } void ark_pktgen_uninit(ark_pkt_gen_t handle) { rte_free(handle); } void ark_pktgen_run(ark_pkt_gen_t handle) { struct ark_pkt_gen_inst *inst = (struct ark_pkt_gen_inst *)handle; inst->regs->pkt_start_stop = 1; } uint32_t ark_pktgen_paused(ark_pkt_gen_t handle) { struct ark_pkt_gen_inst *inst = (struct ark_pkt_gen_inst *)handle; uint32_t r = inst->regs->pkt_start_stop; return (((r >> 16) & 1) == 1); } void ark_pktgen_pause(ark_pkt_gen_t handle) { struct ark_pkt_gen_inst *inst = (struct ark_pkt_gen_inst *)handle; int cnt = 0; inst->regs->pkt_start_stop = 0; while (!ark_pktgen_paused(handle)) { usleep(1000); if (cnt++ > 100) { PMD_DRV_LOG(ERR, "Pktgen %d failed to pause.\n", inst->ordinal); break; } } PMD_DEBUG_LOG(DEBUG, "Pktgen %d paused.\n", inst->ordinal); } void ark_pktgen_reset(ark_pkt_gen_t handle) { struct ark_pkt_gen_inst *inst = (struct ark_pkt_gen_inst *)handle; if (!ark_pktgen_is_running(handle) && !ark_pktgen_paused(handle)) { PMD_DEBUG_LOG(DEBUG, "Pktgen %d is not running" " and is not paused. No need to reset.\n", inst->ordinal); return; } if (ark_pktgen_is_running(handle) && !ark_pktgen_paused(handle)) { PMD_DEBUG_LOG(DEBUG, "Pktgen %d is not paused. Pausing first.\n", inst->ordinal); ark_pktgen_pause(handle); } PMD_DEBUG_LOG(DEBUG, "Resetting pktgen %d.\n", inst->ordinal); inst->regs->pkt_start_stop = (1 << 8); } uint32_t ark_pktgen_tx_done(ark_pkt_gen_t handle) { struct ark_pkt_gen_inst *inst = (struct ark_pkt_gen_inst *)handle; uint32_t r = inst->regs->pkt_start_stop; return (((r >> 24) & 1) == 1); } uint32_t ark_pktgen_is_running(ark_pkt_gen_t handle) { struct ark_pkt_gen_inst *inst = (struct ark_pkt_gen_inst *)handle; uint32_t r = inst->regs->pkt_start_stop; return ((r & 1) == 1); } uint32_t ark_pktgen_is_gen_forever(ark_pkt_gen_t handle) { struct ark_pkt_gen_inst *inst = (struct ark_pkt_gen_inst *)handle; uint32_t r = inst->regs->pkt_ctrl; return (((r >> 24) & 1) == 1); } void ark_pktgen_wait_done(ark_pkt_gen_t handle) { struct ark_pkt_gen_inst *inst = (struct ark_pkt_gen_inst *)handle; int wait_cycle = 10; if (ark_pktgen_is_gen_forever(handle)) PMD_DRV_LOG(ERR, "Pktgen wait_done will not terminate" " because gen_forever=1\n"); while (!ark_pktgen_tx_done(handle) && (wait_cycle > 0)) { usleep(1000); wait_cycle--; PMD_DEBUG_LOG(DEBUG, "Waiting for pktgen %d to finish sending...\n", inst->ordinal); } PMD_DEBUG_LOG(DEBUG, "Pktgen %d done.\n", inst->ordinal); } uint32_t ark_pktgen_get_pkts_sent(ark_pkt_gen_t handle) { struct ark_pkt_gen_inst *inst = (struct ark_pkt_gen_inst *)handle; return inst->regs->pkts_sent; } void ark_pktgen_set_payload_byte(ark_pkt_gen_t handle, uint32_t b) { struct ark_pkt_gen_inst *inst = (struct ark_pkt_gen_inst *)handle; inst->regs->pkt_payload = b; } void ark_pktgen_set_pkt_spacing(ark_pkt_gen_t handle, uint32_t x) { struct ark_pkt_gen_inst *inst = (struct ark_pkt_gen_inst *)handle; inst->regs->pkt_spacing = x; } void ark_pktgen_set_pkt_size_min(ark_pkt_gen_t handle, uint32_t x) { struct ark_pkt_gen_inst *inst = (struct ark_pkt_gen_inst *)handle; inst->regs->pkt_size_min = x; } void ark_pktgen_set_pkt_size_max(ark_pkt_gen_t handle, uint32_t x) { struct ark_pkt_gen_inst *inst = (struct ark_pkt_gen_inst *)handle; inst->regs->pkt_size_max = x; } void ark_pktgen_set_pkt_size_incr(ark_pkt_gen_t handle, uint32_t x) { struct ark_pkt_gen_inst *inst = (struct ark_pkt_gen_inst *)handle; inst->regs->pkt_size_incr = x; } void ark_pktgen_set_num_pkts(ark_pkt_gen_t handle, uint32_t x) { struct ark_pkt_gen_inst *inst = (struct ark_pkt_gen_inst *)handle; inst->regs->num_pkts = x; } void ark_pktgen_set_src_mac_addr(ark_pkt_gen_t handle, uint64_t mac_addr) { struct ark_pkt_gen_inst *inst = (struct ark_pkt_gen_inst *)handle; inst->regs->src_mac_addr_h = (mac_addr >> 32) & 0xffff; inst->regs->src_mac_addr_l = mac_addr & 0xffffffff; } void ark_pktgen_set_dst_mac_addr(ark_pkt_gen_t handle, uint64_t mac_addr) { struct ark_pkt_gen_inst *inst = (struct ark_pkt_gen_inst *)handle; inst->regs->dst_mac_addr_h = (mac_addr >> 32) & 0xffff; inst->regs->dst_mac_addr_l = mac_addr & 0xffffffff; } void ark_pktgen_set_eth_type(ark_pkt_gen_t handle, uint32_t x) { struct ark_pkt_gen_inst *inst = (struct ark_pkt_gen_inst *)handle; inst->regs->eth_type = x; } void ark_pktgen_set_hdr_dW(ark_pkt_gen_t handle, uint32_t *hdr) { uint32_t i; struct ark_pkt_gen_inst *inst = (struct ark_pkt_gen_inst *)handle; for (i = 0; i < 7; i++) inst->regs->hdr_dw[i] = hdr[i]; } void ark_pktgen_set_start_offset(ark_pkt_gen_t handle, uint32_t x) { struct ark_pkt_gen_inst *inst = (struct ark_pkt_gen_inst *)handle; inst->regs->start_offset = x; } static struct OPTIONS * options(const char *id) { unsigned int i; for (i = 0; i < sizeof(toptions) / sizeof(struct OPTIONS); i++) { if (strcmp(id, toptions[i].opt) == 0) return &toptions[i]; } PMD_DRV_LOG(ERR, "Pktgen: Could not find requested option!, " "option = %s\n", id ); return NULL; } static int pmd_set_arg(char *arg, char *val); static int pmd_set_arg(char *arg, char *val) { struct OPTIONS *o = options(arg); if (o) { switch (o->t) { case OTINT: case OTBOOL: o->v.INT = atoi(val); break; case OTLONG: o->v.INT = atoll(val); break; case OTSTRING: snprintf(o->v.STR, ARK_MAX_STR_LEN, "%s", val); break; } return 1; } return 0; } /****** * Arg format = "opt0=v,opt_n=v ..." ******/ void ark_pktgen_parse(char *args) { char *argv, *v; const char toks[] = " =\n\t\v\f \r"; argv = strtok(args, toks); v = strtok(NULL, toks); while (argv && v) { pmd_set_arg(argv, v); argv = strtok(NULL, toks); v = strtok(NULL, toks); } } static int32_t parse_ipv4_string(char const *ip_address); static int32_t parse_ipv4_string(char const *ip_address) { unsigned int ip[4]; if (sscanf(ip_address, "%u.%u.%u.%u", &ip[0], &ip[1], &ip[2], &ip[3]) != 4) return 0; return ip[3] + ip[2] * 0x100 + ip[1] * 0x10000ul + ip[0] * 0x1000000ul; } static void ark_pktgen_set_pkt_ctrl(ark_pkt_gen_t handle, uint32_t gen_forever, uint32_t en_slaved_start, uint32_t vary_length, uint32_t incr_payload, uint32_t incr_first_byte, uint32_t ins_seq_num, uint32_t ins_udp_hdr, uint32_t ins_time_stamp) { uint32_t r; struct ark_pkt_gen_inst *inst = (struct ark_pkt_gen_inst *)handle; if (!inst->l2_mode) ins_udp_hdr = 0; r = ((gen_forever << 24) | (en_slaved_start << 20) | (vary_length << 16) | (incr_payload << 12) | (incr_first_byte << 8) | (ins_time_stamp << 5) | (ins_seq_num << 4) | ins_udp_hdr); inst->regs->bytes_per_cycle = options("bytes_per_cycle")->v.INT; if (options("shaping")->v.BOOL) r = r | (1 << 28); /* enable shaping */ inst->regs->pkt_ctrl = r; } void ark_pktgen_setup(ark_pkt_gen_t handle) { uint32_t hdr[7]; int32_t dst_ip = parse_ipv4_string(options("dst_ip")->v.STR); if (!options("pause")->v.BOOL && (!options("reset")->v.BOOL && (options("configure")->v.BOOL))) { ark_pktgen_set_payload_byte(handle, options("payload_byte")->v.INT); ark_pktgen_set_src_mac_addr(handle, options("src_mac_addr")->v.INT); ark_pktgen_set_dst_mac_addr(handle, options("dst_mac_addr")->v.LONG); ark_pktgen_set_eth_type(handle, options("eth_type")->v.INT); if (options("dg-mode")->v.BOOL) { hdr[0] = options("hdr_dW0")->v.INT; hdr[1] = options("hdr_dW1")->v.INT; hdr[2] = options("hdr_dW2")->v.INT; hdr[3] = options("hdr_dW3")->v.INT; hdr[4] = options("hdr_dW4")->v.INT; hdr[5] = options("hdr_dW5")->v.INT; hdr[6] = options("hdr_dW6")->v.INT; } else { hdr[0] = dst_ip; hdr[1] = options("dst_port")->v.INT; hdr[2] = options("src_port")->v.INT; hdr[3] = 0; hdr[4] = 0; hdr[5] = 0; hdr[6] = 0; } ark_pktgen_set_hdr_dW(handle, hdr); ark_pktgen_set_num_pkts(handle, options("num_pkts")->v.INT); ark_pktgen_set_pkt_size_min(handle, options("pkt_size_min")->v.INT); ark_pktgen_set_pkt_size_max(handle, options("pkt_size_max")->v.INT); ark_pktgen_set_pkt_size_incr(handle, options("pkt_size_incr")->v.INT); ark_pktgen_set_pkt_spacing(handle, options("pkt_spacing")->v.INT); ark_pktgen_set_start_offset(handle, options("start_offset")->v.INT); ark_pktgen_set_pkt_ctrl(handle, options("gen_forever")->v.BOOL, options("en_slaved_start")->v.BOOL, options("vary_length")->v.BOOL, options("incr_payload")->v.BOOL, options("incr_first_byte")->v.BOOL, options("ins_seq_num")->v.INT, options("ins_udp_hdr")->v.BOOL, options("ins_time_stamp")->v.INT); } if (options("pause")->v.BOOL) ark_pktgen_pause(handle); if (options("reset")->v.BOOL) ark_pktgen_reset(handle); if (options("run")->v.BOOL) { PMD_DEBUG_LOG(DEBUG, "Starting packet generator on port %d\n", options("port")->v.INT); ark_pktgen_run(handle); } }