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Diffstat (limited to 'common/vnf_common/config_parse.c')
| -rw-r--r-- | common/vnf_common/config_parse.c | 3434 |
1 files changed, 3434 insertions, 0 deletions
diff --git a/common/vnf_common/config_parse.c b/common/vnf_common/config_parse.c new file mode 100644 index 00000000..b4b99d1c --- /dev/null +++ b/common/vnf_common/config_parse.c @@ -0,0 +1,3434 @@ +/* +// Copyright (c) 2017 Intel Corporation +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +*/ +#include <stdint.h> +#include <stdlib.h> +#include <stdio.h> +#include <ctype.h> +#include <getopt.h> +#include <errno.h> +#include <stdarg.h> +#include <string.h> +#include <libgen.h> +#include <unistd.h> +#include <sys/wait.h> + +#include <rte_errno.h> +#include <rte_cfgfile.h> +#include <rte_string_fns.h> + +#include "app.h" +#include "parser.h" + +/** + * Default config values + **/ + +static struct app_params app_params_default = { + .config_file = "./config/ip_pipeline.cfg", + .log_level = APP_LOG_LEVEL_HIGH, + .port_mask = 0, + + .eal_params = { + .channels = 4, + }, +}; + +static const struct app_mempool_params mempool_params_default = { + .parsed = 0, + .buffer_size = 2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM, + .pool_size = 32 * 1024, + .cache_size = 256, + .cpu_socket_id = 0, +}; + +static const struct app_link_params link_params_default = { + .parsed = 0, + .pmd_id = 0, + .arp_q = 0, + .tcp_syn_q = 0, + .ip_local_q = 0, + .tcp_local_q = 0, + .udp_local_q = 0, + .sctp_local_q = 0, + .state = 0, + .ip = 0, + .ipv6 = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + .depth = 0, + .depth_ipv6 = 0, + .mac_addr = 0, + .pci_bdf = {0}, + + .conf = { + .link_speeds = 0, + .rxmode = { + .mq_mode = ETH_MQ_RX_NONE, + + .header_split = 0, /* Header split */ + .hw_ip_checksum = 0, /* IP checksum offload */ + .hw_vlan_filter = 0, /* VLAN filtering */ + .hw_vlan_strip = 0, /* VLAN strip */ + .hw_vlan_extend = 0, /* Extended VLAN */ + .jumbo_frame = 0, /* Jumbo frame support */ + .hw_strip_crc = 0, /* CRC strip by HW */ + .enable_scatter = 0, /* Scattered packets RX handler */ + + .max_rx_pkt_len = 9000, /* Jumbo frame max packet len */ + .split_hdr_size = 0, /* Header split buffer size */ + }, + .txmode = { + .mq_mode = ETH_MQ_TX_NONE, + }, + .lpbk_mode = 0, + #ifndef VNF_ACL + #ifdef LSC_GRARP + .intr_conf = { + .lsc = 1, /**< lsc interrupt feature enabled */ + } + #endif + #endif + }, + + .promisc = 1, +}; + +static const struct app_pktq_hwq_in_params default_hwq_in_params = { + .parsed = 0, + .mempool_id = 0, + .size = 128, + .burst = 32, + + .conf = { + .rx_thresh = { + .pthresh = 8, + .hthresh = 8, + .wthresh = 4, + }, + .rx_free_thresh = 64, + .rx_drop_en = 0, + .rx_deferred_start = 0, + } +}; + +static const struct app_pktq_hwq_out_params default_hwq_out_params = { + .parsed = 0, + .size = 512, + .burst = 32, + .dropless = 0, + .n_retries = 0, + + .conf = { + .tx_thresh = { + .pthresh = 36, + .hthresh = 0, + .wthresh = 0, + }, + .tx_rs_thresh = 0, + .tx_free_thresh = 0, + .txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS | + ETH_TXQ_FLAGS_NOOFFLOADS, + .tx_deferred_start = 0, + } +}; + +static const struct app_pktq_swq_params default_swq_params = { + .parsed = 0, + .size = 256, + .burst_read = 32, + .burst_write = 32, + .dropless = 0, + .n_retries = 0, + .cpu_socket_id = 0, + .ipv4_frag = 0, + .ipv6_frag = 0, + .ipv4_ras = 0, + .ipv6_ras = 0, + .mtu = 0, + .metadata_size = 0, + .mempool_direct_id = 0, + .mempool_indirect_id = 0, +}; + +struct app_pktq_tm_params default_tm_params = { + .parsed = 0, + .file_name = "./config/tm_profile.cfg", + .burst_read = 64, + .burst_write = 32, +}; + +struct app_pktq_source_params default_source_params = { + .parsed = 0, + .mempool_id = 0, + .burst = 32, + .file_name = NULL, + .n_bytes_per_pkt = 0, +}; + +struct app_pktq_sink_params default_sink_params = { + .parsed = 0, + .file_name = NULL, + .n_pkts_to_dump = 0, +}; + +struct app_msgq_params default_msgq_params = { + .parsed = 0, + .size = 64, + .cpu_socket_id = 0, +}; + +struct app_pipeline_params default_pipeline_params = { + .parsed = 0, + .socket_id = 0, + .core_id = 0, + .hyper_th_id = 0, + .n_pktq_in = 0, + .n_pktq_out = 0, + .n_msgq_in = 0, + .n_msgq_out = 0, + .timer_period = 1, + .n_args = 0, +}; + +static const char app_usage[] = + "Usage: %s [-f CONFIG_FILE] [-s SCRIPT_FILE] [-p PORT_MASK] " + "[-l LOG_LEVEL] [--preproc PREPROCESSOR] [--preproc-args ARGS]\n" + "\n" + "Arguments:\n" + "\t-f CONFIG_FILE: Default config file is %s\n" + "\t-p PORT_MASK: Mask of NIC port IDs in hex format (generated from " + "config file when not provided)\n" + "\t-s SCRIPT_FILE: No CLI script file is run when not specified\n" + "\t-l LOG_LEVEL: 0 = NONE, 1 = HIGH PRIO (default), 2 = LOW PRIO\n" + "\t--disable-hw-csum Disable TCP/UDP HW checksum\n" + "\t--preproc PREPROCESSOR: Configuration file pre-processor\n" + "\t--preproc-args ARGS: Arguments to be passed to pre-processor\n" + "\n"; + +static void +app_print_usage(char *prgname) +{ + rte_exit(0, app_usage, prgname, app_params_default.config_file); +} + +#define skip_white_spaces(pos) \ +({ \ + __typeof__(pos) _p = (pos); \ + for ( ; isspace(*_p); _p++); \ + _p; \ +}) + +#define PARSER_PARAM_ADD_CHECK(result, params_array, section_name) \ +do { \ + APP_CHECK((result != -EINVAL), \ + "Parse error: no free memory"); \ + APP_CHECK((result != -ENOMEM), \ + "Parse error: too many \"%s\" sections", section_name); \ + APP_CHECK(((result >= 0) && (params_array)[result].parsed == 0),\ + "Parse error: duplicate \"%s\" section", section_name); \ + APP_CHECK((result >= 0), \ + "Parse error in section \"%s\"", section_name); \ +} while (0) + +int +parser_read_arg_bool(const char *p) +{ + p = skip_white_spaces(p); + int result = -EINVAL; + + if (((p[0] == 'y') && (p[1] == 'e') && (p[2] == 's')) || + ((p[0] == 'Y') && (p[1] == 'E') && (p[2] == 'S'))) { + p += 3; + result = 1; + } + + if (((p[0] == 'o') && (p[1] == 'n')) || + ((p[0] == 'O') && (p[1] == 'N'))) { + p += 2; + result = 1; + } + + if (((p[0] == 'n') && (p[1] == 'o')) || + ((p[0] == 'N') && (p[1] == 'O'))) { + p += 2; + result = 0; + } + + if (((p[0] == 'o') && (p[1] == 'f') && (p[2] == 'f')) || + ((p[0] == 'O') && (p[1] == 'F') && (p[2] == 'F'))) { + p += 3; + result = 0; + } + + p = skip_white_spaces(p); + + if (p[0] != '\0') + return -EINVAL; + + return result; +} + +#define PARSE_ERROR(exp, section, entry) \ +APP_CHECK(exp, "Parse error in section \"%s\": entry \"%s\"\n", section, entry) + +#define PARSE_ERROR_MESSAGE(exp, section, entry, message) \ +APP_CHECK(exp, "Parse error in section \"%s\", entry \"%s\": %s\n", \ + section, entry, message) + + +#define PARSE_ERROR_MALLOC(exp) \ +APP_CHECK(exp, "Parse error: no free memory\n") + +#define PARSE_ERROR_SECTION(exp, section) \ +APP_CHECK(exp, "Parse error in section \"%s\"", section) + +#define PARSE_ERROR_SECTION_NO_ENTRIES(exp, section) \ +APP_CHECK(exp, "Parse error in section \"%s\": no entries\n", section) + +#define PARSE_WARNING_IGNORED(exp, section, entry) \ +do \ +if (!(exp)) \ + fprintf(stderr, "Parse warning in section \"%s\": " \ + "entry \"%s\" is ignored\n", section, entry); \ +while (0) + +#define PARSE_ERROR_INVALID(exp, section, entry) \ +APP_CHECK(exp, "Parse error in section \"%s\": unrecognized entry \"%s\"\n",\ + section, entry) + +#define PARSE_ERROR_DUPLICATE(exp, section, entry) \ +APP_CHECK(exp, "Parse error in section \"%s\": duplicate entry \"%s\"\n",\ + section, entry) + +int +parser_read_uint64(uint64_t *value, const char *p) +{ + char *next; + uint64_t val; + + p = skip_white_spaces(p); + if (!isdigit(*p)) + return -EINVAL; + + val = strtoul(p, &next, 10); + if (p == next) + return -EINVAL; + + p = next; + switch (*p) { + case 'T': + val *= 1024ULL; + /* fall through */ + case 'G': + val *= 1024ULL; + /* fall through */ + case 'M': + val *= 1024ULL; + /* fall through */ + case 'k': + case 'K': + val *= 1024ULL; + p++; + break; + } + + p = skip_white_spaces(p); + if (*p != '\0') + return -EINVAL; + + *value = val; + return 0; +} + +int +parser_read_uint32(uint32_t *value, const char *p) +{ + uint64_t val = 0; + int ret = parser_read_uint64(&val, p); + + if (ret < 0) + return ret; + + if (val > UINT32_MAX) + return -ERANGE; + + *value = val; + return 0; +} + +int +parse_pipeline_core(uint32_t *socket, + uint32_t *core, + uint32_t *ht, + const char *entry) +{ + size_t num_len; + char num[8]; + + uint32_t s = 0, c = 0, h = 0, val; + uint8_t s_parsed = 0, c_parsed = 0, h_parsed = 0; + const char *next = skip_white_spaces(entry); + char type; + + /* Expect <CORE> or [sX][cY][h]. At least one parameter is required. */ + while (*next != '\0') { + /* If everything parsed nothing should left */ + if (s_parsed && c_parsed && h_parsed) + return -EINVAL; + + type = *next; + switch (type) { + case 's': + case 'S': + if (s_parsed || c_parsed || h_parsed) + return -EINVAL; + s_parsed = 1; + next++; + break; + case 'c': + case 'C': + if (c_parsed || h_parsed) + return -EINVAL; + c_parsed = 1; + next++; + break; + case 'h': + case 'H': + if (h_parsed) + return -EINVAL; + h_parsed = 1; + next++; + break; + default: + /* If it start from digit it must be only core id. */ + if (!isdigit(*next) || s_parsed || c_parsed || h_parsed) + return -EINVAL; + + type = 'C'; + } + + for (num_len = 0; *next != '\0'; next++, num_len++) { + if (num_len == RTE_DIM(num)) + return -EINVAL; + + if (!isdigit(*next)) + break; + + num[num_len] = *next; + } + + if (num_len == 0 && type != 'h' && type != 'H') + return -EINVAL; + + if (num_len != 0 && (type == 'h' || type == 'H')) + return -EINVAL; + if(num_len < sizeof(num)) + num[num_len] = '\0'; + val = strtol(num, NULL, 10); + + h = 0; + switch (type) { + case 's': + case 'S': + s = val; + break; + case 'c': + case 'C': + c = val; + break; + case 'h': + case 'H': + h = 1; + break; + } + } + + *socket = s; + *core = c; + *ht = h; + return 0; +} + +static uint32_t +get_hex_val(char c) +{ + switch (c) { + case '0': case '1': case '2': case '3': case '4': case '5': + case '6': case '7': case '8': case '9': + return c - '0'; + case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': + return c - 'A' + 10; + case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': + return c - 'a' + 10; + default: + return 0; + } +} + +int +parse_hex_string(char *src, uint8_t *dst, uint32_t *size) +{ + char *c; + uint32_t len, i; + + /* Check input parameters */ + if ((src == NULL) || + (dst == NULL) || + (size == NULL) || + (*size == 0)) + return -1; + + len = strlen(src); + if (((len & 3) != 0) || + (len > (*size) * 2)) + return -1; + *size = len / 2; + + for (c = src; *c != 0; c++) { + if ((((*c) >= '0') && ((*c) <= '9')) || + (((*c) >= 'A') && ((*c) <= 'F')) || + (((*c) >= 'a') && ((*c) <= 'f'))) + continue; + + return -1; + } + + /* Convert chars to bytes */ + for (i = 0; i < *size; i++) + dst[i] = get_hex_val(src[2 * i]) * 16 + + get_hex_val(src[2 * i + 1]); + + return 0; +} + +static size_t +skip_digits(const char *src) +{ + size_t i; + + for (i = 0; isdigit(src[i]); i++); + + return i; +} + +static int +validate_name(const char *name, const char *prefix, int num) +{ + size_t i, j; + + for (i = 0; (name[i] != '\0') && (prefix[i] != '\0'); i++) { + if (name[i] != prefix[i]) + return -1; + } + + if (prefix[i] != '\0') + return -1; + + if (!num) { + if (name[i] != '\0') + return -1; + else + return 0; + } + + if (num == 2) { + j = skip_digits(&name[i]); + i += j; + if ((j == 0) || (name[i] != '.')) + return -1; + i++; + } + + if (num == 1) { + j = skip_digits(&name[i]); + i += j; + if ((j == 0) || (name[i] != '\0')) + return -1; + } + + return 0; +} + +static void +parse_eal(struct app_params *app, + const char *section_name, + struct rte_cfgfile *cfg) +{ + struct app_eal_params *p = &app->eal_params; + struct rte_cfgfile_entry *entries; + int n_entries, i; + + n_entries = rte_cfgfile_section_num_entries(cfg, section_name); + PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name); + + entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry)); + PARSE_ERROR_MALLOC(entries != NULL); + + rte_cfgfile_section_entries(cfg, section_name, entries, n_entries); + + for (i = 0; i < n_entries; i++) { + struct rte_cfgfile_entry *entry = &entries[i]; + + /* coremask */ + if (strcmp(entry->name, "c") == 0) { + PARSE_WARNING_IGNORED(0, section_name, entry->name); + continue; + } + + /* corelist */ + if (strcmp(entry->name, "l") == 0) { + PARSE_WARNING_IGNORED(0, section_name, entry->name); + continue; + } + + /* coremap */ + if (strcmp(entry->name, "lcores") == 0) { + PARSE_ERROR_DUPLICATE((p->coremap == NULL), + section_name, + entry->name); + p->coremap = strdup(entry->value); + continue; + } + + /* master_lcore */ + if (strcmp(entry->name, "master_lcore") == 0) { + int status; + + PARSE_ERROR_DUPLICATE((p->master_lcore_present == 0), + section_name, + entry->name); + p->master_lcore_present = 1; + + status = parser_read_uint32(&p->master_lcore, + entry->value); + PARSE_ERROR((status == 0), section_name, entry->name); + continue; + } + + /* channels */ + if (strcmp(entry->name, "n") == 0) { + int status; + + PARSE_ERROR_DUPLICATE((p->channels_present == 0), + section_name, + entry->name); + p->channels_present = 1; + + status = parser_read_uint32(&p->channels, entry->value); + PARSE_ERROR((status == 0), section_name, entry->name); + continue; + } + + /* memory */ + if (strcmp(entry->name, "m") == 0) { + int status; + + PARSE_ERROR_DUPLICATE((p->memory_present == 0), + section_name, + entry->name); + p->memory_present = 1; + + status = parser_read_uint32(&p->memory, entry->value); + PARSE_ERROR((status == 0), section_name, entry->name); + continue; + } + + /* ranks */ + if (strcmp(entry->name, "r") == 0) { + int status; + + PARSE_ERROR_DUPLICATE((p->ranks_present == 0), + section_name, + entry->name); + p->ranks_present = 1; + + status = parser_read_uint32(&p->ranks, entry->value); + PARSE_ERROR((status == 0), section_name, entry->name); + continue; + } + + /* pci_blacklist */ + if ((strcmp(entry->name, "pci_blacklist") == 0) || + (strcmp(entry->name, "b") == 0)) { + uint32_t i; + + for (i = 0; i < APP_MAX_LINKS; i++) { + if (p->pci_blacklist[i]) + continue; + + p->pci_blacklist[i] = + strdup(entry->value); + PARSE_ERROR_MALLOC(p->pci_blacklist[i]); + + break; + } + + PARSE_ERROR_MESSAGE((i < APP_MAX_LINKS), + section_name, entry->name, + "too many elements"); + continue; + } + + /* pci_whitelist */ + if ((strcmp(entry->name, "pci_whitelist") == 0) || + (strcmp(entry->name, "w") == 0)) { + uint32_t i; + + PARSE_ERROR_MESSAGE((app->port_mask != 0), + section_name, entry->name, "entry to be " + "generated by the application (port_mask " + "not provided)"); + + for (i = 0; i < APP_MAX_LINKS; i++) { + if (p->pci_whitelist[i]) + continue; + + p->pci_whitelist[i] = strdup(entry->value); + PARSE_ERROR_MALLOC(p->pci_whitelist[i]); + + break; + } + + PARSE_ERROR_MESSAGE((i < APP_MAX_LINKS), + section_name, entry->name, + "too many elements"); + continue; + } + + /* vdev */ + if (strcmp(entry->name, "vdev") == 0) { + uint32_t i; + + for (i = 0; i < APP_MAX_LINKS; i++) { + if (p->vdev[i]) + continue; + + p->vdev[i] = strdup(entry->value); + PARSE_ERROR_MALLOC(p->vdev[i]); + + break; + } + + PARSE_ERROR_MESSAGE((i < APP_MAX_LINKS), + section_name, entry->name, + "too many elements"); + continue; + } + + /* vmware_tsc_map */ + if (strcmp(entry->name, "vmware_tsc_map") == 0) { + int val; + + PARSE_ERROR_DUPLICATE((p->vmware_tsc_map_present == 0), + section_name, + entry->name); + p->vmware_tsc_map_present = 1; + + val = parser_read_arg_bool(entry->value); + PARSE_ERROR((val >= 0), section_name, entry->name); + p->vmware_tsc_map = val; + continue; + } + + /* proc_type */ + if (strcmp(entry->name, "proc_type") == 0) { + PARSE_ERROR_DUPLICATE((p->proc_type == NULL), + section_name, + entry->name); + p->proc_type = strdup(entry->value); + continue; + } + + /* syslog */ + if (strcmp(entry->name, "syslog") == 0) { + PARSE_ERROR_DUPLICATE((p->syslog == NULL), + section_name, + entry->name); + p->syslog = strdup(entry->value); + continue; + } + + /* log_level */ + if (strcmp(entry->name, "log_level") == 0) { + int status; + + PARSE_ERROR_DUPLICATE((p->log_level_present == 0), + section_name, + entry->name); + p->log_level_present = 1; + + status = parser_read_uint32(&p->log_level, + entry->value); + PARSE_ERROR((status == 0), section_name, entry->name); + continue; + } + + /* version */ + if (strcmp(entry->name, "v") == 0) { + int val; + + PARSE_ERROR_DUPLICATE((p->version_present == 0), + section_name, + entry->name); + p->version_present = 1; + + val = parser_read_arg_bool(entry->value); + PARSE_ERROR((val >= 0), section_name, entry->name); + p->version = val; + continue; + } + + /* help */ + if ((strcmp(entry->name, "help") == 0) || + (strcmp(entry->name, "h") == 0)) { + int val; + + PARSE_ERROR_DUPLICATE((p->help_present == 0), + section_name, + entry->name); + p->help_present = 1; + + val = parser_read_arg_bool(entry->value); + PARSE_ERROR((val >= 0), section_name, entry->name); + p->help = val; + continue; + } + + /* no_huge */ + if (strcmp(entry->name, "no_huge") == 0) { + int val; + + PARSE_ERROR_DUPLICATE((p->no_huge_present == 0), + section_name, + entry->name); + p->no_huge_present = 1; + + val = parser_read_arg_bool(entry->value); + PARSE_ERROR((val >= 0), section_name, entry->name); + p->no_huge = val; + continue; + } + + /* no_pci */ + if (strcmp(entry->name, "no_pci") == 0) { + int val; + + PARSE_ERROR_DUPLICATE((p->no_pci_present == 0), + section_name, + entry->name); + p->no_pci_present = 1; + + val = parser_read_arg_bool(entry->value); + PARSE_ERROR((val >= 0), section_name, entry->name); + p->no_pci = val; + continue; + } + + /* no_hpet */ + if (strcmp(entry->name, "no_hpet") == 0) { + int val; + + PARSE_ERROR_DUPLICATE((p->no_hpet_present == 0), + section_name, + entry->name); + p->no_hpet_present = 1; + + val = parser_read_arg_bool(entry->value); + PARSE_ERROR((val >= 0), section_name, entry->name); + p->no_hpet = val; + continue; + } + + /* no_shconf */ + if (strcmp(entry->name, "no_shconf") == 0) { + int val; + + PARSE_ERROR_DUPLICATE((p->no_shconf_present == 0), + section_name, + entry->name); + p->no_shconf_present = 1; + + val = parser_read_arg_bool(entry->value); + PARSE_ERROR((val >= 0), section_name, entry->name); + p->no_shconf = val; + continue; + } + + /* add_driver */ + if (strcmp(entry->name, "d") == 0) { + PARSE_ERROR_DUPLICATE((p->add_driver == NULL), + section_name, + entry->name); + p->add_driver = strdup(entry->value); + continue; + } + + /* socket_mem */ + if (strcmp(entry->name, "socket_mem") == 0) { + PARSE_ERROR_DUPLICATE((p->socket_mem == NULL), + section_name, + entry->name); + p->socket_mem = strdup(entry->value); + continue; + } + + /* huge_dir */ + if (strcmp(entry->name, "huge_dir") == 0) { + PARSE_ERROR_DUPLICATE((p->huge_dir == NULL), + section_name, + entry->name); + p->huge_dir = strdup(entry->value); + continue; + } + + /* file_prefix */ + if (strcmp(entry->name, "file_prefix") == 0) { + PARSE_ERROR_DUPLICATE((p->file_prefix == NULL), + section_name, + entry->name); + p->file_prefix = strdup(entry->value); + continue; + } + + /* base_virtaddr */ + if (strcmp(entry->name, "base_virtaddr") == 0) { + PARSE_ERROR_DUPLICATE((p->base_virtaddr == NULL), + section_name, + entry->name); + p->base_virtaddr = strdup(entry->value); + continue; + } + + /* create_uio_dev */ + if (strcmp(entry->name, "create_uio_dev") == 0) { + int val; + + PARSE_ERROR_DUPLICATE((p->create_uio_dev_present == 0), + section_name, + entry->name); + p->create_uio_dev_present = 1; + + val = parser_read_arg_bool(entry->value); + PARSE_ERROR((val >= 0), section_name, entry->name); + p->create_uio_dev = val; + continue; + } + + /* vfio_intr */ + if (strcmp(entry->name, "vfio_intr") == 0) { + PARSE_ERROR_DUPLICATE((p->vfio_intr == NULL), + section_name, + entry->name); + p->vfio_intr = strdup(entry->value); + continue; + } + + /* xen_dom0 */ + if (strcmp(entry->name, "xen_dom0") == 0) { + int val; + + PARSE_ERROR_DUPLICATE((p->xen_dom0_present == 0), + section_name, + entry->name); + p->xen_dom0_present = 1; + + val = parser_read_arg_bool(entry->value); + PARSE_ERROR((val >= 0), section_name, entry->name); + p->xen_dom0 = val; + continue; + } + + /* unrecognized */ + PARSE_ERROR_INVALID(0, section_name, entry->name); + } + + free(entries); +} + +static int +parse_pipeline_pcap_source(struct app_params *app, + struct app_pipeline_params *p, + const char *file_name, const char *cp_size) +{ + const char *next = NULL; + char *end; + uint32_t i; + int parse_file = 0; + + if (file_name && !cp_size) { + next = file_name; + parse_file = 1; /* parse file path */ + } else if (cp_size && !file_name) { + next = cp_size; + parse_file = 0; /* parse copy size */ + } else + return -EINVAL; + + char name[APP_PARAM_NAME_SIZE]; + size_t name_len; + + if (p->n_pktq_in == 0) + return -EINVAL; + + i = 0; + while (*next != '\0') { + uint32_t id; + + if (i >= p->n_pktq_in) + return -EINVAL; + + id = p->pktq_in[i].id; + + end = strchr(next, ' '); + if (!end) + name_len = strlen(next); + else + name_len = end - next; + + if (name_len == 0 || name_len == sizeof(name)) + return -EINVAL; + + strncpy(name, next, name_len); + name[name_len] = '\0'; + next += name_len; + if (*next != '\0') + next++; + + if (parse_file) { + app->source_params[id].file_name = strdup(name); + if (app->source_params[id].file_name == NULL) + return -ENOMEM; + } else { + if (parser_read_uint32( + &app->source_params[id].n_bytes_per_pkt, + name) != 0) { + if (app->source_params[id]. + file_name != NULL) + free(app->source_params[id]. + file_name); + return -EINVAL; + } + } + + i++; + + if (i == p->n_pktq_in) + return 0; + } + + return -EINVAL; +} + +static int +parse_pipeline_pcap_sink(struct app_params *app, + struct app_pipeline_params *p, + const char *file_name, const char *n_pkts_to_dump) +{ + const char *next = NULL; + char *end; + uint32_t i; + int parse_file = 0; + + if (file_name && !n_pkts_to_dump) { + next = file_name; + parse_file = 1; /* parse file path */ + } else if (n_pkts_to_dump && !file_name) { + next = n_pkts_to_dump; + parse_file = 0; /* parse copy size */ + } else + return -EINVAL; + + char name[APP_PARAM_NAME_SIZE]; + size_t name_len; + + if (p->n_pktq_out == 0) + return -EINVAL; + + i = 0; + while (*next != '\0') { + uint32_t id; + + if (i >= p->n_pktq_out) + return -EINVAL; + + id = p->pktq_out[i].id; + + end = strchr(next, ' '); + if (!end) + name_len = strlen(next); + else + name_len = end - next; + + if (name_len == 0 || name_len == sizeof(name)) + return -EINVAL; + + strncpy(name, next, name_len); + name[name_len] = '\0'; + next += name_len; + if (*next != '\0') + next++; + + if (parse_file) { + app->sink_params[id].file_name = strdup(name); + if (app->sink_params[id].file_name == NULL) + return -ENOMEM; + } else { + if (parser_read_uint32( + &app->sink_params[id].n_pkts_to_dump, + name) != 0) { + if (app->sink_params[id].file_name != + NULL) + free(app->sink_params[id]. + file_name); + return -EINVAL; + } + } + + i++; + + if (i == p->n_pktq_out) + return 0; + } + + return -EINVAL; +} + +static int +parse_pipeline_pktq_in(struct app_params *app, + struct app_pipeline_params *p, + const char *value) +{ + const char *next = value; + if(next == NULL) + return -EINVAL; + char *end; + char name[APP_PARAM_NAME_SIZE]; + size_t name_len; + + while (*next != '\0') { + enum app_pktq_in_type type; + int id; + char *end_space; + char *end_tab; + if(next != NULL) + next = skip_white_spaces(next); + if (!next) + break; + + end_space = strchr(next, ' '); + end_tab = strchr(next, ' '); + + if (end_space && (!end_tab)) + end = end_space; + else if ((!end_space) && end_tab) + end = end_tab; + else if (end_space && end_tab) + end = RTE_MIN(end_space, end_tab); + else + end = NULL; + + if (!end) + name_len = strlen(next); + else + name_len = end - next; + + if (name_len == 0 || name_len == sizeof(name)) + return -EINVAL; + + strncpy(name, next, name_len); + name[name_len] = '\0'; + next += name_len; + if (*next != '\0') + next++; + + if (validate_name(name, "RXQ", 2) == 0) { + type = APP_PKTQ_IN_HWQ; + id = APP_PARAM_ADD(app->hwq_in_params, name); + } else if (validate_name(name, "SWQ", 1) == 0) { + type = APP_PKTQ_IN_SWQ; + id = APP_PARAM_ADD(app->swq_params, name); + } else if (validate_name(name, "TM", 1) == 0) { + type = APP_PKTQ_IN_TM; + id = APP_PARAM_ADD(app->tm_params, name); + } else if (validate_name(name, "SOURCE", 1) == 0) { + type = APP_PKTQ_IN_SOURCE; + id = APP_PARAM_ADD(app->source_params, name); + } else + return -EINVAL; + + if (id < 0) + return id; + + p->pktq_in[p->n_pktq_in].type = type; + p->pktq_in[p->n_pktq_in].id = (uint32_t) id; + p->n_pktq_in++; + } + + return 0; +} + +static int +parse_pipeline_pktq_out(struct app_params *app, + struct app_pipeline_params *p, + const char *value) +{ + const char *next = value; + if(next == NULL) + return -EINVAL; + char *end; + char name[APP_PARAM_NAME_SIZE]; + size_t name_len; + + while (*next != '\0') { + enum app_pktq_out_type type; + int id; + char *end_space; + char *end_tab; + if(next != NULL) + next = skip_white_spaces(next); + if (!next) + break; + + end_space = strchr(next, ' '); + end_tab = strchr(next, ' '); + + if (end_space && (!end_tab)) + end = end_space; + else if ((!end_space) && end_tab) + end = end_tab; + else if (end_space && end_tab) + end = RTE_MIN(end_space, end_tab); + else + end = NULL; + + if (!end) + name_len = strlen(next); + else + name_len = end - next; + + if (name_len == 0 || name_len == sizeof(name)) + return -EINVAL; + + strncpy(name, next, name_len); + name[name_len] = '\0'; + next += name_len; + if (*next != '\0') + next++; + if (validate_name(name, "TXQ", 2) == 0) { + type = APP_PKTQ_OUT_HWQ; + id = APP_PARAM_ADD(app->hwq_out_params, name); + } else if (validate_name(name, "SWQ", 1) == 0) { + type = APP_PKTQ_OUT_SWQ; + id = APP_PARAM_ADD(app->swq_params, name); + } else if (validate_name(name, "TM", 1) == 0) { + type = APP_PKTQ_OUT_TM; + id = APP_PARAM_ADD(app->tm_params, name); + } else if (validate_name(name, "SINK", 1) == 0) { + type = APP_PKTQ_OUT_SINK; + id = APP_PARAM_ADD(app->sink_params, name); + } else + return -EINVAL; + + if (id < 0) + return id; + + p->pktq_out[p->n_pktq_out].type = type; + p->pktq_out[p->n_pktq_out].id = id; + p->n_pktq_out++; + } + + return 0; +} + +static int +parse_pipeline_msgq_in(struct app_params *app, + struct app_pipeline_params *p, + const char *value) +{ + const char *next = value; + if(next == NULL) + return -EINVAL; + char *end; + char name[APP_PARAM_NAME_SIZE]; + size_t name_len; + ssize_t idx; + + while (*next != '\0') { + char *end_space; + char *end_tab; + if(next != NULL) + next = skip_white_spaces(next); + if (!next) + break; + + end_space = strchr(next, ' '); + end_tab = strchr(next, ' '); + + if (end_space && (!end_tab)) + end = end_space; + else if ((!end_space) && end_tab) + end = end_tab; + else if (end_space && end_tab) + end = RTE_MIN(end_space, end_tab); + else + end = NULL; + + if (!end) + name_len = strlen(next); + else + name_len = end - next; + + if (name_len == 0 || name_len == sizeof(name)) + return -EINVAL; + + strncpy(name, next, name_len); + name[name_len] = '\0'; + next += name_len; + if (*next != '\0') + next++; + + if (validate_name(name, "MSGQ", 1) != 0) + return -EINVAL; + + idx = APP_PARAM_ADD(app->msgq_params, name); + if (idx < 0) + return idx; + + p->msgq_in[p->n_msgq_in] = idx; + p->n_msgq_in++; + } + + return 0; +} + +static int +parse_pipeline_msgq_out(struct app_params *app, + struct app_pipeline_params *p, + const char *value) +{ + const char *next = value; + if(next == NULL) + return -EINVAL; + char *end; + char name[APP_PARAM_NAME_SIZE]; + size_t name_len; + ssize_t idx; + + while (*next != '\0') { + char *end_space; + char *end_tab; + if(next != NULL) + next = skip_white_spaces(next); + if (!next) + break; + + end_space = strchr(next, ' '); + end_tab = strchr(next, ' '); + + if (end_space && (!end_tab)) + end = end_space; + else if ((!end_space) && end_tab) + end = end_tab; + else if (end_space && end_tab) + end = RTE_MIN(end_space, end_tab); + else + end = NULL; + + if (!end) + name_len = strlen(next); + else + name_len = end - next; + + if (name_len == 0 || name_len == sizeof(name)) + return -EINVAL; + + strncpy(name, next, name_len); + name[name_len] = '\0'; + next += name_len; + if (*next != '\0') + next++; + + if (validate_name(name, "MSGQ", 1) != 0) + return -EINVAL; + + idx = APP_PARAM_ADD(app->msgq_params, name); + if (idx < 0) + return idx; + + p->msgq_out[p->n_msgq_out] = idx; + p->n_msgq_out++; + } + + return 0; +} + +static void +parse_pipeline(struct app_params *app, + const char *section_name, + struct rte_cfgfile *cfg) +{ + char name[CFG_NAME_LEN]; + struct app_pipeline_params *param; + struct rte_cfgfile_entry *entries; + ssize_t param_idx; + int n_entries, i; + + n_entries = rte_cfgfile_section_num_entries(cfg, section_name); + PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name); + + entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry)); + PARSE_ERROR_MALLOC(entries != NULL); + + rte_cfgfile_section_entries(cfg, section_name, entries, n_entries); + + param_idx = APP_PARAM_ADD(app->pipeline_params, section_name); + PARSER_PARAM_ADD_CHECK(param_idx, app->pipeline_params, section_name); + + param = &app->pipeline_params[param_idx]; + + for (i = 0; i < n_entries; i++) { + struct rte_cfgfile_entry *ent = &entries[i]; + + if (strcmp(ent->name, "type") == 0) { + int w_size = snprintf(param->type, RTE_DIM(param->type), + "%s", ent->value); + + PARSE_ERROR(((w_size > 0) && + (w_size < (int)RTE_DIM(param->type))), + section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "core") == 0) { + int status = parse_pipeline_core( + ¶m->socket_id, ¶m->core_id, + ¶m->hyper_th_id, ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "pktq_in") == 0) { + int status = parse_pipeline_pktq_in(app, param, + ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "pktq_out") == 0) { + int status = parse_pipeline_pktq_out(app, param, + ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "msgq_in") == 0) { + int status = parse_pipeline_msgq_in(app, param, + ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "msgq_out") == 0) { + int status = parse_pipeline_msgq_out(app, param, + ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "timer_period") == 0) { + int status = parser_read_uint32( + ¶m->timer_period, + ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "pcap_file_rd") == 0) { + int status; + +#ifndef RTE_PORT_PCAP + PARSE_ERROR_INVALID(0, section_name, ent->name); +#endif + + status = parse_pipeline_pcap_source(app, + param, ent->value, NULL); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "pcap_bytes_rd_per_pkt") == 0) { + int status; + +#ifndef RTE_PORT_PCAP + PARSE_ERROR_INVALID(0, section_name, ent->name); +#endif + + status = parse_pipeline_pcap_source(app, + param, NULL, ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "pcap_file_wr") == 0) { + int status; + +#ifndef RTE_PORT_PCAP + PARSE_ERROR_INVALID(0, section_name, ent->name); +#endif + + status = parse_pipeline_pcap_sink(app, param, + ent->value, NULL); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "pcap_n_pkt_wr") == 0) { + int status; + +#ifndef RTE_PORT_PCAP + PARSE_ERROR_INVALID(0, section_name, ent->name); +#endif + + status = parse_pipeline_pcap_sink(app, param, + NULL, ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + /* pipeline type specific items */ + APP_CHECK((param->n_args < APP_MAX_PIPELINE_ARGS), + "Parse error in section \"%s\": too many " + "pipeline specified parameters", section_name); + + param->args_name[param->n_args] = strdup(ent->name); + param->args_value[param->n_args] = strdup(ent->value); + + APP_CHECK((param->args_name[param->n_args] != NULL) && + (param->args_value[param->n_args] != NULL), + "Parse error: no free memory"); + + param->n_args++; + } + + param->parsed = 1; + + snprintf(name, sizeof(name), "MSGQ-REQ-%s", section_name); + param_idx = APP_PARAM_ADD(app->msgq_params, name); + PARSER_PARAM_ADD_CHECK(param_idx, app->msgq_params, name); + app->msgq_params[param_idx].cpu_socket_id = param->socket_id; + param->msgq_in[param->n_msgq_in++] = param_idx; + + snprintf(name, sizeof(name), "MSGQ-RSP-%s", section_name); + param_idx = APP_PARAM_ADD(app->msgq_params, name); + PARSER_PARAM_ADD_CHECK(param_idx, app->msgq_params, name); + app->msgq_params[param_idx].cpu_socket_id = param->socket_id; + param->msgq_out[param->n_msgq_out++] = param_idx; + + snprintf(name, sizeof(name), "MSGQ-REQ-CORE-s%" PRIu32 "c%" PRIu32 "%s", + param->socket_id, + param->core_id, + (param->hyper_th_id) ? "h" : ""); + param_idx = APP_PARAM_ADD(app->msgq_params, name); + PARSER_PARAM_ADD_CHECK(param_idx, app->msgq_params, name); + app->msgq_params[param_idx].cpu_socket_id = param->socket_id; + + snprintf(name, sizeof(name), "MSGQ-RSP-CORE-s%" PRIu32 "c%" PRIu32 "%s", + param->socket_id, + param->core_id, + (param->hyper_th_id) ? "h" : ""); + param_idx = APP_PARAM_ADD(app->msgq_params, name); + PARSER_PARAM_ADD_CHECK(param_idx, app->msgq_params, name); + app->msgq_params[param_idx].cpu_socket_id = param->socket_id; + + free(entries); +} + +static void +parse_mempool(struct app_params *app, + const char *section_name, + struct rte_cfgfile *cfg) +{ + struct app_mempool_params *param; + struct rte_cfgfile_entry *entries; + ssize_t param_idx; + int n_entries, i; + + n_entries = rte_cfgfile_section_num_entries(cfg, section_name); + PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name); + + entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry)); + PARSE_ERROR_MALLOC(entries != NULL); + + rte_cfgfile_section_entries(cfg, section_name, entries, n_entries); + + param_idx = APP_PARAM_ADD(app->mempool_params, section_name); + PARSER_PARAM_ADD_CHECK(param_idx, app->mempool_params, section_name); + + param = &app->mempool_params[param_idx]; + + for (i = 0; i < n_entries; i++) { + struct rte_cfgfile_entry *ent = &entries[i]; + + if (strcmp(ent->name, "buffer_size") == 0) { + int status = parser_read_uint32( + ¶m->buffer_size, ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "pool_size") == 0) { + int status = parser_read_uint32( + ¶m->pool_size, ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "cache_size") == 0) { + int status = parser_read_uint32( + ¶m->cache_size, ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "cpu") == 0) { + int status = parser_read_uint32( + ¶m->cpu_socket_id, ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + /* unrecognized */ + PARSE_ERROR_INVALID(0, section_name, ent->name); + } + + param->parsed = 1; + + free(entries); +} + +static void +parse_link(struct app_params *app, + const char *section_name, + struct rte_cfgfile *cfg) +{ + struct app_link_params *param; + struct rte_cfgfile_entry *entries; + int n_entries, i; + int pci_bdf_present = 0; + ssize_t param_idx; + + n_entries = rte_cfgfile_section_num_entries(cfg, section_name); + PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name); + + entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry)); + PARSE_ERROR_MALLOC(entries != NULL); + + rte_cfgfile_section_entries(cfg, section_name, entries, n_entries); + + param_idx = APP_PARAM_ADD(app->link_params, section_name); + PARSER_PARAM_ADD_CHECK(param_idx, app->link_params, section_name); + + param = &app->link_params[param_idx]; + + for (i = 0; i < n_entries; i++) { + struct rte_cfgfile_entry *ent = &entries[i]; + + if (strcmp(ent->name, "promisc") == 0) { + int status = parser_read_arg_bool(ent->value); + + PARSE_ERROR((status != -EINVAL), section_name, + ent->name); + param->promisc = status; + continue; + } + + if (strcmp(ent->name, "arp_q") == 0) { + int status = parser_read_uint32(¶m->arp_q, + ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "tcp_syn_q") == 0) { + int status = parser_read_uint32( + ¶m->tcp_syn_q, ent->value); + + PARSE_ERROR((status == 0), section_name, ent->name); + continue; + } + + if (strcmp(ent->name, "ip_local_q") == 0) { + int status = parser_read_uint32( + ¶m->ip_local_q, ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + + if (strcmp(ent->name, "tcp_local_q") == 0) { + int status = parser_read_uint32( + ¶m->tcp_local_q, ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "udp_local_q") == 0) { + int status = parser_read_uint32( + ¶m->udp_local_q, ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "sctp_local_q") == 0) { + int status = parser_read_uint32( + ¶m->sctp_local_q, ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "pci_bdf") == 0) { + PARSE_ERROR_DUPLICATE((pci_bdf_present == 0), + section_name, ent->name); + + snprintf(param->pci_bdf, APP_LINK_PCI_BDF_SIZE, + "%s", ent->value); + pci_bdf_present = 1; + continue; + } + + /* unrecognized */ + PARSE_ERROR_INVALID(0, section_name, ent->name); + } + + /* Check for mandatory fields */ + if (app->port_mask) + PARSE_ERROR_MESSAGE((pci_bdf_present == 0), + section_name, "pci_bdf", + "entry not allowed (port_mask is provided)"); + else + PARSE_ERROR_MESSAGE((pci_bdf_present), + section_name, "pci_bdf", + "this entry is mandatory (port_mask is not " + "provided)"); + + param->parsed = 1; + + free(entries); +} + +static void +parse_rxq(struct app_params *app, + const char *section_name, + struct rte_cfgfile *cfg) +{ + struct app_pktq_hwq_in_params *param; + struct rte_cfgfile_entry *entries; + int n_entries, i; + ssize_t param_idx; + + n_entries = rte_cfgfile_section_num_entries(cfg, section_name); + PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name); + + entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry)); + PARSE_ERROR_MALLOC(entries != NULL); + + rte_cfgfile_section_entries(cfg, section_name, entries, n_entries); + + param_idx = APP_PARAM_ADD(app->hwq_in_params, section_name); + PARSER_PARAM_ADD_CHECK(param_idx, app->hwq_in_params, section_name); + + param = &app->hwq_in_params[param_idx]; + + for (i = 0; i < n_entries; i++) { + struct rte_cfgfile_entry *ent = &entries[i]; + + if (strcmp(ent->name, "mempool") == 0) { + int status = validate_name(ent->value, + "MEMPOOL", 1); + ssize_t idx; + + PARSE_ERROR((status == 0), section_name, + ent->name); + idx = APP_PARAM_ADD(app->mempool_params, + ent->value); + PARSER_PARAM_ADD_CHECK(idx, app->mempool_params, + section_name); + param->mempool_id = idx; + continue; + } + + if (strcmp(ent->name, "size") == 0) { + int status = parser_read_uint32(¶m->size, + ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "burst") == 0) { + int status = parser_read_uint32(¶m->burst, + ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + /* unrecognized */ + PARSE_ERROR_INVALID(0, section_name, ent->name); + } + + param->parsed = 1; + + free(entries); +} + +static void +parse_txq(struct app_params *app, + const char *section_name, + struct rte_cfgfile *cfg) +{ + struct app_pktq_hwq_out_params *param; + struct rte_cfgfile_entry *entries; + int n_entries, i; + ssize_t param_idx; + + n_entries = rte_cfgfile_section_num_entries(cfg, section_name); + PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name); + + entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry)); + PARSE_ERROR_MALLOC(entries != NULL); + + rte_cfgfile_section_entries(cfg, section_name, entries, n_entries); + + param_idx = APP_PARAM_ADD(app->hwq_out_params, section_name); + PARSER_PARAM_ADD_CHECK(param_idx, app->hwq_out_params, section_name); + + param = &app->hwq_out_params[param_idx]; + + for (i = 0; i < n_entries; i++) { + struct rte_cfgfile_entry *ent = &entries[i]; + + if (strcmp(ent->name, "size") == 0) { + int status = parser_read_uint32(¶m->size, + ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "burst") == 0) { + int status = parser_read_uint32(¶m->burst, + ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "dropless") == 0) { + int status = parser_read_arg_bool(ent->value); + + + PARSE_ERROR((status != -EINVAL), section_name, + ent->name); + param->dropless = status; + continue; + } + + /* unrecognized */ + PARSE_ERROR_INVALID(0, section_name, ent->name); + } + + param->parsed = 1; + + free(entries); +} + +static void +parse_swq(struct app_params *app, + const char *section_name, + struct rte_cfgfile *cfg) +{ + struct app_pktq_swq_params *param; + struct rte_cfgfile_entry *entries; + int n_entries, i; + uint32_t mtu_present = 0; + uint32_t metadata_size_present = 0; + uint32_t mempool_direct_present = 0; + uint32_t mempool_indirect_present = 0; + + ssize_t param_idx; + + n_entries = rte_cfgfile_section_num_entries(cfg, section_name); + PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name); + + entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry)); + PARSE_ERROR_MALLOC(entries != NULL); + + rte_cfgfile_section_entries(cfg, section_name, entries, n_entries); + + param_idx = APP_PARAM_ADD(app->swq_params, section_name); + PARSER_PARAM_ADD_CHECK(param_idx, app->swq_params, section_name); + + param = &app->swq_params[param_idx]; + + for (i = 0; i < n_entries; i++) { + struct rte_cfgfile_entry *ent = &entries[i]; + + if (strcmp(ent->name, "size") == 0) { + int status = parser_read_uint32(¶m->size, + ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "burst_read") == 0) { + int status = parser_read_uint32(& + param->burst_read, ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "burst_write") == 0) { + int status = parser_read_uint32( + ¶m->burst_write, ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "dropless") == 0) { + int status = parser_read_arg_bool(ent->value); + + PARSE_ERROR((status != -EINVAL), section_name, + ent->name); + param->dropless = status; + continue; + } + + if (strcmp(ent->name, "n_retries") == 0) { + int status = parser_read_uint64(¶m->n_retries, + ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "cpu") == 0) { + int status = parser_read_uint32( + ¶m->cpu_socket_id, ent->value); + + PARSE_ERROR((status == 0), section_name, ent->name); + continue; + } + + if (strcmp(ent->name, "ipv4_frag") == 0) { + int status = parser_read_arg_bool(ent->value); + + PARSE_ERROR((status != -EINVAL), section_name, + ent->name); + + param->ipv4_frag = status; + if (param->mtu == 0) + param->mtu = 1500; + + continue; + } + + if (strcmp(ent->name, "ipv6_frag") == 0) { + int status = parser_read_arg_bool(ent->value); + + PARSE_ERROR((status != -EINVAL), section_name, + ent->name); + param->ipv6_frag = status; + if (param->mtu == 0) + param->mtu = 1320; + continue; + } + + if (strcmp(ent->name, "ipv4_ras") == 0) { + int status = parser_read_arg_bool(ent->value); + + PARSE_ERROR((status != -EINVAL), section_name, + ent->name); + param->ipv4_ras = status; + continue; + } + + if (strcmp(ent->name, "ipv6_ras") == 0) { + int status = parser_read_arg_bool(ent->value); + + PARSE_ERROR((status != -EINVAL), section_name, + ent->name); + param->ipv6_ras = status; + continue; + } + + if (strcmp(ent->name, "mtu") == 0) { + int status = parser_read_uint32(¶m->mtu, + ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + mtu_present = 1; + continue; + } + + if (strcmp(ent->name, "metadata_size") == 0) { + int status = parser_read_uint32( + ¶m->metadata_size, ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + metadata_size_present = 1; + continue; + } + + if (strcmp(ent->name, "mempool_direct") == 0) { + int status = validate_name(ent->value, + "MEMPOOL", 1); + ssize_t idx; + + PARSE_ERROR((status == 0), section_name, + ent->name); + + idx = APP_PARAM_ADD(app->mempool_params, + ent->value); + PARSER_PARAM_ADD_CHECK(idx, app->mempool_params, + section_name); + param->mempool_direct_id = idx; + mempool_direct_present = 1; + continue; + } + + if (strcmp(ent->name, "mempool_indirect") == 0) { + int status = validate_name(ent->value, + "MEMPOOL", 1); + ssize_t idx; + + PARSE_ERROR((status == 0), section_name, + ent->name); + idx = APP_PARAM_ADD(app->mempool_params, + ent->value); + PARSER_PARAM_ADD_CHECK(idx, app->mempool_params, + section_name); + param->mempool_indirect_id = idx; + mempool_indirect_present = 1; + continue; + } + + /* unrecognized */ + PARSE_ERROR_INVALID(0, section_name, ent->name); + } + + APP_CHECK(((mtu_present) && + ((param->ipv4_frag == 1) || (param->ipv6_frag == 1))), + "Parse error in section \"%s\": IPv4/IPv6 fragmentation " + "is off, therefore entry \"mtu\" is not allowed", + section_name); + + APP_CHECK(((metadata_size_present) && + ((param->ipv4_frag == 1) || (param->ipv6_frag == 1))), + "Parse error in section \"%s\": IPv4/IPv6 fragmentation " + "is off, therefore entry \"metadata_size\" is " + "not allowed", section_name); + + APP_CHECK(((mempool_direct_present) && + ((param->ipv4_frag == 1) || (param->ipv6_frag == 1))), + "Parse error in section \"%s\": IPv4/IPv6 fragmentation " + "is off, therefore entry \"mempool_direct\" is " + "not allowed", section_name); + + APP_CHECK(((mempool_indirect_present) && + ((param->ipv4_frag == 1) || (param->ipv6_frag == 1))), + "Parse error in section \"%s\": IPv4/IPv6 fragmentation " + "is off, therefore entry \"mempool_indirect\" is " + "not allowed", section_name); + + param->parsed = 1; + + free(entries); +} + +static void +parse_tm(struct app_params *app, + const char *section_name, + struct rte_cfgfile *cfg) +{ + struct app_pktq_tm_params *param; + struct rte_cfgfile_entry *entries; + int n_entries, i; + ssize_t param_idx; + + n_entries = rte_cfgfile_section_num_entries(cfg, section_name); + PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name); + + entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry)); + PARSE_ERROR_MALLOC(entries != NULL); + + rte_cfgfile_section_entries(cfg, section_name, entries, n_entries); + + param_idx = APP_PARAM_ADD(app->tm_params, section_name); + PARSER_PARAM_ADD_CHECK(param_idx, app->tm_params, section_name); + + param = &app->tm_params[param_idx]; + + for (i = 0; i < n_entries; i++) { + struct rte_cfgfile_entry *ent = &entries[i]; + + if (strcmp(ent->name, "cfg") == 0) { + param->file_name = strdup(ent->value); + PARSE_ERROR_MALLOC(param->file_name != NULL); + continue; + } + + if (strcmp(ent->name, "burst_read") == 0) { + int status = parser_read_uint32( + ¶m->burst_read, ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "burst_write") == 0) { + int status = parser_read_uint32( + ¶m->burst_write, ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + /* unrecognized */ + PARSE_ERROR_INVALID(0, section_name, ent->name); + } + + param->parsed = 1; + + free(entries); +} + +static void +parse_source(struct app_params *app, + const char *section_name, + struct rte_cfgfile *cfg) +{ + struct app_pktq_source_params *param; + struct rte_cfgfile_entry *entries; + int n_entries, i; + ssize_t param_idx; + uint32_t pcap_file_present = 0; + uint32_t pcap_size_present = 0; + + n_entries = rte_cfgfile_section_num_entries(cfg, section_name); + PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name); + + entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry)); + PARSE_ERROR_MALLOC(entries != NULL); + + rte_cfgfile_section_entries(cfg, section_name, entries, n_entries); + + param_idx = APP_PARAM_ADD(app->source_params, section_name); + PARSER_PARAM_ADD_CHECK(param_idx, app->source_params, section_name); + + param = &app->source_params[param_idx]; + + for (i = 0; i < n_entries; i++) { + struct rte_cfgfile_entry *ent = &entries[i]; + + if (strcmp(ent->name, "mempool") == 0) { + int status = validate_name(ent->value, + "MEMPOOL", 1); + ssize_t idx; + + PARSE_ERROR((status == 0), section_name, + ent->name); + idx = APP_PARAM_ADD(app->mempool_params, + ent->value); + PARSER_PARAM_ADD_CHECK(idx, app->mempool_params, + section_name); + param->mempool_id = idx; + continue; + } + + if (strcmp(ent->name, "burst") == 0) { + int status = parser_read_uint32(¶m->burst, + ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "pcap_file_rd")) { + PARSE_ERROR_DUPLICATE((pcap_file_present == 0), + section_name, ent->name); + + param->file_name = strdup(ent->value); + + PARSE_ERROR_MALLOC(param->file_name != NULL); + pcap_file_present = 1; + + continue; + } + + if (strcmp(ent->name, "pcap_bytes_rd_per_pkt") == 0) { + int status; + + PARSE_ERROR_DUPLICATE((pcap_size_present == 0), + section_name, ent->name); + + status = parser_read_uint32( + ¶m->n_bytes_per_pkt, ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + pcap_size_present = 1; + + continue; + } + + /* unrecognized */ + PARSE_ERROR_INVALID(0, section_name, ent->name); + } + + param->parsed = 1; + + free(entries); +} + +static void +parse_sink(struct app_params *app, + const char *section_name, + struct rte_cfgfile *cfg) +{ + struct app_pktq_sink_params *param; + struct rte_cfgfile_entry *entries; + int n_entries, i; + ssize_t param_idx; + uint32_t pcap_file_present = 0; + uint32_t pcap_n_pkt_present = 0; + + n_entries = rte_cfgfile_section_num_entries(cfg, section_name); + PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name); + + entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry)); + PARSE_ERROR_MALLOC(entries != NULL); + + rte_cfgfile_section_entries(cfg, section_name, entries, n_entries); + + param_idx = APP_PARAM_ADD(app->sink_params, section_name); + PARSER_PARAM_ADD_CHECK(param_idx, app->sink_params, section_name); + + param = &app->sink_params[param_idx]; + + for (i = 0; i < n_entries; i++) { + struct rte_cfgfile_entry *ent = &entries[i]; + + if (strcmp(ent->name, "pcap_file_wr")) { + PARSE_ERROR_DUPLICATE((pcap_file_present == 0), + section_name, ent->name); + + param->file_name = strdup(ent->value); + + PARSE_ERROR_MALLOC((param->file_name != NULL)); + + continue; + } + + if (strcmp(ent->name, "pcap_n_pkt_wr")) { + int status; + + PARSE_ERROR_DUPLICATE((pcap_n_pkt_present == 0), + section_name, ent->name); + + status = parser_read_uint32( + ¶m->n_pkts_to_dump, ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + + continue; + } + + /* unrecognized */ + PARSE_ERROR_INVALID(0, section_name, ent->name); + } + + param->parsed = 1; + + free(entries); +} + +static void +parse_msgq_req_pipeline(struct app_params *app, + const char *section_name, + struct rte_cfgfile *cfg) +{ + struct app_msgq_params *param; + struct rte_cfgfile_entry *entries; + int n_entries, i; + ssize_t param_idx; + + n_entries = rte_cfgfile_section_num_entries(cfg, section_name); + PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name); + + entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry)); + PARSE_ERROR_MALLOC(entries != NULL); + + rte_cfgfile_section_entries(cfg, section_name, entries, n_entries); + + param_idx = APP_PARAM_ADD(app->msgq_params, section_name); + PARSER_PARAM_ADD_CHECK(param_idx, app->msgq_params, section_name); + + param = &app->msgq_params[param_idx]; + + for (i = 0; i < n_entries; i++) { + struct rte_cfgfile_entry *ent = &entries[i]; + + if (strcmp(ent->name, "size") == 0) { + int status = parser_read_uint32(¶m->size, + ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + /* unrecognized */ + PARSE_ERROR_INVALID(0, section_name, ent->name); + } + + param->parsed = 1; + free(entries); +} + +static void +parse_msgq_rsp_pipeline(struct app_params *app, + const char *section_name, + struct rte_cfgfile *cfg) +{ + struct app_msgq_params *param; + struct rte_cfgfile_entry *entries; + int n_entries, i; + ssize_t param_idx; + + n_entries = rte_cfgfile_section_num_entries(cfg, section_name); + PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name); + + entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry)); + PARSE_ERROR_MALLOC(entries != NULL); + + rte_cfgfile_section_entries(cfg, section_name, entries, n_entries); + + param_idx = APP_PARAM_ADD(app->msgq_params, section_name); + PARSER_PARAM_ADD_CHECK(param_idx, app->msgq_params, section_name); + + param = &app->msgq_params[param_idx]; + + for (i = 0; i < n_entries; i++) { + struct rte_cfgfile_entry *ent = &entries[i]; + + if (strcmp(ent->name, "size") == 0) { + int status = parser_read_uint32(¶m->size, + ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + /* unrecognized */ + PARSE_ERROR_INVALID(0, section_name, ent->name); + } + + param->parsed = 1; + + free(entries); +} + +static void +parse_msgq(struct app_params *app, + const char *section_name, + struct rte_cfgfile *cfg) +{ + struct app_msgq_params *param; + struct rte_cfgfile_entry *entries; + int n_entries, i; + ssize_t param_idx; + + n_entries = rte_cfgfile_section_num_entries(cfg, section_name); + PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name); + + entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry)); + PARSE_ERROR_MALLOC(entries != NULL); + + rte_cfgfile_section_entries(cfg, section_name, entries, n_entries); + + param_idx = APP_PARAM_ADD(app->msgq_params, section_name); + PARSER_PARAM_ADD_CHECK(param_idx, app->msgq_params, section_name); + + param = &app->msgq_params[param_idx]; + + for (i = 0; i < n_entries; i++) { + struct rte_cfgfile_entry *ent = &entries[i]; + + if (strcmp(ent->name, "size") == 0) { + int status = parser_read_uint32(¶m->size, + ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + if (strcmp(ent->name, "cpu") == 0) { + int status = parser_read_uint32( + ¶m->cpu_socket_id, ent->value); + + PARSE_ERROR((status == 0), section_name, + ent->name); + continue; + } + + /* unrecognized */ + PARSE_ERROR_INVALID(0, section_name, ent->name); + } + + param->parsed = 1; + + free(entries); +} + +typedef void (*config_section_load)(struct app_params *p, + const char *section_name, + struct rte_cfgfile *cfg); + +struct config_section { + const char prefix[CFG_NAME_LEN]; + int numbers; + config_section_load load; +}; + +static const struct config_section cfg_file_scheme[] = { + {"EAL", 0, parse_eal}, + {"PIPELINE", 1, parse_pipeline}, + {"MEMPOOL", 1, parse_mempool}, + {"LINK", 1, parse_link}, + {"RXQ", 2, parse_rxq}, + {"TXQ", 2, parse_txq}, + {"SWQ", 1, parse_swq}, + {"TM", 1, parse_tm}, + {"SOURCE", 1, parse_source}, + {"SINK", 1, parse_sink}, + {"MSGQ-REQ-PIPELINE", 1, parse_msgq_req_pipeline}, + {"MSGQ-RSP-PIPELINE", 1, parse_msgq_rsp_pipeline}, + {"MSGQ", 1, parse_msgq}, +}; + +static void +create_implicit_mempools(struct app_params *app) +{ + ssize_t idx; + + idx = APP_PARAM_ADD(app->mempool_params, "MEMPOOL0"); + PARSER_PARAM_ADD_CHECK(idx, app->mempool_params, "start-up"); +} + +static void +create_implicit_links_from_port_mask(struct app_params *app, + uint64_t port_mask) +{ + uint32_t pmd_id, link_id; + + link_id = 0; + for (pmd_id = 0; pmd_id < RTE_MAX_ETHPORTS; pmd_id++) { + char name[APP_PARAM_NAME_SIZE]; + ssize_t idx; + + if ((port_mask & (1LLU << pmd_id)) == 0) + continue; + + snprintf(name, sizeof(name), "LINK%" PRIu32, link_id); + idx = APP_PARAM_ADD(app->link_params, name); + PARSER_PARAM_ADD_CHECK(idx, app->link_params, name); + + app->link_params[idx].pmd_id = pmd_id; + link_id++; + } +} + +static void +assign_link_pmd_id_from_pci_bdf(struct app_params *app) +{ + uint32_t i; + + for (i = 0; i < app->n_links; i++) { + struct app_link_params *link = &app->link_params[i]; + + link->pmd_id = i; + } +} + +int +app_config_parse(struct app_params *app, const char *file_name) +{ + struct rte_cfgfile *cfg; + char **section_names; + int i, j, sect_count; + + /* Implicit mempools */ + create_implicit_mempools(app); + + /* Port mask */ + if (app->port_mask) + create_implicit_links_from_port_mask(app, app->port_mask); + + /* Load application configuration file */ + cfg = rte_cfgfile_load(file_name, 0); + APP_CHECK((cfg != NULL), "Parse error: Unable to load config " + "file %s", file_name); + + sect_count = rte_cfgfile_num_sections(cfg, NULL, 0); + APP_CHECK((sect_count > 0), "Parse error: number of sections " + "in file \"%s\" return %d", file_name, + sect_count); + + section_names = malloc(sect_count * sizeof(char *)); + PARSE_ERROR_MALLOC(section_names != NULL); + + for (i = 0; i < sect_count; i++) + section_names[i] = malloc(CFG_NAME_LEN); + + rte_cfgfile_sections(cfg, section_names, sect_count); + + for (i = 0; i < sect_count; i++) { + const struct config_section *sch_s; + int len, cfg_name_len; + + cfg_name_len = strlen(section_names[i]); + + /* Find section type */ + for (j = 0; j < (int)RTE_DIM(cfg_file_scheme); j++) { + sch_s = &cfg_file_scheme[j]; + len = strlen(sch_s->prefix); + + if (cfg_name_len < len) + continue; + + /* After section name we expect only '\0' or digit or + * digit dot digit, so protect against false matching, + * for example: "ABC" should match section name + * "ABC0.0", but it should not match section_name + * "ABCDEF". + */ + if ((section_names[i][len] != '\0') && + !isdigit(section_names[i][len])) + continue; + + if (strncmp(sch_s->prefix, section_names[i], len) == 0) + break; + } + + APP_CHECK(j < (int)RTE_DIM(cfg_file_scheme), + "Parse error: unknown section %s", + section_names[i]); + + APP_CHECK(validate_name(section_names[i], + sch_s->prefix, + sch_s->numbers) == 0, + "Parse error: invalid section name \"%s\"", + section_names[i]); + + sch_s->load(app, section_names[i], cfg); + } + + for (i = 0; i < sect_count; i++) + free(section_names[i]); + + free(section_names); + + rte_cfgfile_close(cfg); + + APP_PARAM_COUNT(app->mempool_params, app->n_mempools); + APP_PARAM_COUNT(app->link_params, app->n_links); + APP_PARAM_COUNT(app->hwq_in_params, app->n_pktq_hwq_in); + APP_PARAM_COUNT(app->hwq_out_params, app->n_pktq_hwq_out); + APP_PARAM_COUNT(app->swq_params, app->n_pktq_swq); + APP_PARAM_COUNT(app->tm_params, app->n_pktq_tm); + APP_PARAM_COUNT(app->source_params, app->n_pktq_source); + APP_PARAM_COUNT(app->sink_params, app->n_pktq_sink); + APP_PARAM_COUNT(app->msgq_params, app->n_msgq); + APP_PARAM_COUNT(app->pipeline_params, app->n_pipelines); + +#ifdef RTE_PORT_PCAP + for (i = 0; i < (int)app->n_pktq_source; i++) { + struct app_pktq_source_params *p = &app->source_params[i]; + + APP_CHECK((p->file_name), "Parse error: missing " + "mandatory field \"pcap_file_rd\" for \"%s\"", + p->name); + } +#else + for (i = 0; i < (int)app->n_pktq_source; i++) { + struct app_pktq_source_params *p = &app->source_params[i]; + + APP_CHECK((!p->file_name), "Parse error: invalid field " + "\"pcap_file_rd\" for \"%s\"", p->name); + } +#endif + + if (app->port_mask == 0) + assign_link_pmd_id_from_pci_bdf(app); + + /* Save configuration to output file */ + app_config_save(app, app->output_file); + + /* Load TM configuration files */ + app_config_parse_tm(app); + + return 0; +} + +static void +save_eal_params(struct app_params *app, FILE *f) +{ + struct app_eal_params *p = &app->eal_params; + uint32_t i; + + fprintf(f, "[EAL]\n"); + + if (p->coremap) + fprintf(f, "%s = %s\n", "lcores", p->coremap); + + if (p->master_lcore_present) + fprintf(f, "%s = %" PRIu32 "\n", + "master_lcore", p->master_lcore); + + fprintf(f, "%s = %" PRIu32 "\n", "n", p->channels); + + if (p->memory_present) + fprintf(f, "%s = %" PRIu32 "\n", "m", p->memory); + + if (p->ranks_present) + fprintf(f, "%s = %" PRIu32 "\n", "r", p->ranks); + + for (i = 0; i < APP_MAX_LINKS; i++) { + if (p->pci_blacklist[i] == NULL) + break; + + fprintf(f, "%s = %s\n", "pci_blacklist", + p->pci_blacklist[i]); + } + + for (i = 0; i < APP_MAX_LINKS; i++) { + if (p->pci_whitelist[i] == NULL) + break; + + fprintf(f, "%s = %s\n", "pci_whitelist", + p->pci_whitelist[i]); + } + + for (i = 0; i < APP_MAX_LINKS; i++) { + if (p->vdev[i] == NULL) + break; + + fprintf(f, "%s = %s\n", "vdev", + p->vdev[i]); + } + + if (p->vmware_tsc_map_present) + fprintf(f, "%s = %s\n", "vmware_tsc_map", + (p->vmware_tsc_map) ? "yes" : "no"); + + if (p->proc_type) + fprintf(f, "%s = %s\n", "proc_type", p->proc_type); + + if (p->syslog) + fprintf(f, "%s = %s\n", "syslog", p->syslog); + + if (p->log_level_present) + fprintf(f, "%s = %" PRIu32 "\n", "log_level", p->log_level); + + if (p->version_present) + fprintf(f, "%s = %s\n", "v", (p->version) ? "yes" : "no"); + + if (p->help_present) + fprintf(f, "%s = %s\n", "help", (p->help) ? "yes" : "no"); + + if (p->no_huge_present) + fprintf(f, "%s = %s\n", "no_huge", (p->no_huge) ? "yes" : "no"); + + if (p->no_pci_present) + fprintf(f, "%s = %s\n", "no_pci", (p->no_pci) ? "yes" : "no"); + + if (p->no_hpet_present) + fprintf(f, "%s = %s\n", "no_hpet", (p->no_hpet) ? "yes" : "no"); + + if (p->no_shconf_present) + fprintf(f, "%s = %s\n", "no_shconf", + (p->no_shconf) ? "yes" : "no"); + + if (p->add_driver) + fprintf(f, "%s = %s\n", "d", p->add_driver); + + if (p->socket_mem) + fprintf(f, "%s = %s\n", "socket_mem", p->socket_mem); + + if (p->huge_dir) + fprintf(f, "%s = %s\n", "huge_dir", p->huge_dir); + + if (p->file_prefix) + fprintf(f, "%s = %s\n", "file_prefix", p->file_prefix); + + if (p->base_virtaddr) + fprintf(f, "%s = %s\n", "base_virtaddr", p->base_virtaddr); + + if (p->create_uio_dev_present) + fprintf(f, "%s = %s\n", "create_uio_dev", + (p->create_uio_dev) ? "yes" : "no"); + + if (p->vfio_intr) + fprintf(f, "%s = %s\n", "vfio_intr", p->vfio_intr); + + if (p->xen_dom0_present) + fprintf(f, "%s = %s\n", "xen_dom0", + (p->xen_dom0) ? "yes" : "no"); + + fputc('\n', f); +} + +static void +save_mempool_params(struct app_params *app, FILE *f) +{ + struct app_mempool_params *p; + size_t i, count; + + count = RTE_DIM(app->mempool_params); + for (i = 0; i < count; i++) { + p = &app->mempool_params[i]; + if (!APP_PARAM_VALID(p)) + continue; + + fprintf(f, "[%s]\n", p->name); + fprintf(f, "%s = %" PRIu32 "\n", "buffer_size", p->buffer_size); + fprintf(f, "%s = %" PRIu32 "\n", "pool_size", p->pool_size); + fprintf(f, "%s = %" PRIu32 "\n", "cache_size", p->cache_size); + fprintf(f, "%s = %" PRIu32 "\n", "cpu", p->cpu_socket_id); + + fputc('\n', f); + } +} + +static void +save_links_params(struct app_params *app, FILE *f) +{ + struct app_link_params *p; + size_t i, count; + + count = RTE_DIM(app->link_params); + for (i = 0; i < count; i++) { + p = &app->link_params[i]; + if (!APP_PARAM_VALID(p)) + continue; + + fprintf(f, "[%s]\n", p->name); + fprintf(f, "; %s = %" PRIu32 "\n", "pmd_id", p->pmd_id); + fprintf(f, "%s = %s\n", "promisc", p->promisc ? "yes" : "no"); + fprintf(f, "%s = %" PRIu32 "\n", "arp_q", p->arp_q); + fprintf(f, "%s = %" PRIu32 "\n", "tcp_syn_q", + p->tcp_syn_q); + fprintf(f, "%s = %" PRIu32 "\n", "ip_local_q", p->ip_local_q); + fprintf(f, "%s = %" PRIu32 "\n", "tcp_local_q", p->tcp_local_q); + fprintf(f, "%s = %" PRIu32 "\n", "udp_local_q", p->udp_local_q); + fprintf(f, "%s = %" PRIu32 "\n", "sctp_local_q", + p->sctp_local_q); + + if (strlen(p->pci_bdf)) + fprintf(f, "%s = %s\n", "pci_bdf", p->pci_bdf); + + fputc('\n', f); + } +} + +static void +save_rxq_params(struct app_params *app, FILE *f) +{ + struct app_pktq_hwq_in_params *p; + size_t i, count; + + count = RTE_DIM(app->hwq_in_params); + for (i = 0; i < count; i++) { + p = &app->hwq_in_params[i]; + if (!APP_PARAM_VALID(p)) + continue; + + fprintf(f, "[%s]\n", p->name); + fprintf(f, "%s = %s\n", + "mempool", + app->mempool_params[p->mempool_id].name); + fprintf(f, "%s = %" PRIu32 "\n", "size", p->size); + fprintf(f, "%s = %" PRIu32 "\n", "burst", p->burst); + + fputc('\n', f); + } +} + +static void +save_txq_params(struct app_params *app, FILE *f) +{ + struct app_pktq_hwq_out_params *p; + size_t i, count; + + count = RTE_DIM(app->hwq_out_params); + for (i = 0; i < count; i++) { + p = &app->hwq_out_params[i]; + if (!APP_PARAM_VALID(p)) + continue; + + fprintf(f, "[%s]\n", p->name); + fprintf(f, "%s = %" PRIu32 "\n", "size", p->size); + fprintf(f, "%s = %" PRIu32 "\n", "burst", p->burst); + fprintf(f, "%s = %s\n", + "dropless", + p->dropless ? "yes" : "no"); + + fputc('\n', f); + } +} + +static void +save_swq_params(struct app_params *app, FILE *f) +{ + struct app_pktq_swq_params *p; + size_t i, count; + + count = RTE_DIM(app->swq_params); + for (i = 0; i < count; i++) { + p = &app->swq_params[i]; + if (!APP_PARAM_VALID(p)) + continue; + + fprintf(f, "[%s]\n", p->name); + fprintf(f, "%s = %" PRIu32 "\n", "size", p->size); + fprintf(f, "%s = %" PRIu32 "\n", "burst_read", p->burst_read); + fprintf(f, "%s = %" PRIu32 "\n", "burst_write", p->burst_write); + fprintf(f, "%s = %s\n", "dropless", p->dropless ? "yes" : "no"); + fprintf(f, "%s = %" PRIu64 "\n", "n_retries", p->n_retries); + fprintf(f, "%s = %" PRIu32 "\n", "cpu", p->cpu_socket_id); + fprintf(f, "%s = %s\n", "ipv4_frag", p->ipv4_frag ? "yes" : "no"); + fprintf(f, "%s = %s\n", "ipv6_frag", p->ipv6_frag ? "yes" : "no"); + fprintf(f, "%s = %s\n", "ipv4_ras", p->ipv4_ras ? "yes" : "no"); + fprintf(f, "%s = %s\n", "ipv6_ras", p->ipv6_ras ? "yes" : "no"); + if ((p->ipv4_frag == 1) || (p->ipv6_frag == 1)) { + fprintf(f, "%s = %" PRIu32 "\n", "mtu", p->mtu); + fprintf(f, "%s = %" PRIu32 "\n", "metadata_size", p->metadata_size); + fprintf(f, "%s = %s\n", + "mempool_direct", + app->mempool_params[p->mempool_direct_id].name); + fprintf(f, "%s = %s\n", + "mempool_indirect", + app->mempool_params[p->mempool_indirect_id].name); + } + + fputc('\n', f); + } +} + +static void +save_tm_params(struct app_params *app, FILE *f) +{ + struct app_pktq_tm_params *p; + size_t i, count; + + count = RTE_DIM(app->tm_params); + for (i = 0; i < count; i++) { + p = &app->tm_params[i]; + if (!APP_PARAM_VALID(p)) + continue; + + fprintf(f, "[%s]\n", p->name); + fprintf(f, "%s = %s\n", "cfg", p->file_name); + fprintf(f, "%s = %" PRIu32 "\n", "burst_read", p->burst_read); + fprintf(f, "%s = %" PRIu32 "\n", "burst_write", p->burst_write); + + fputc('\n', f); + } +} + +static void +save_source_params(struct app_params *app, FILE *f) +{ + struct app_pktq_source_params *p; + size_t i, count; + + count = RTE_DIM(app->source_params); + for (i = 0; i < count; i++) { + p = &app->source_params[i]; + if (!APP_PARAM_VALID(p)) + continue; + + fprintf(f, "[%s]\n", p->name); + fprintf(f, "%s = %s\n", + "mempool", + app->mempool_params[p->mempool_id].name); + fprintf(f, "%s = %" PRIu32 "\n", "burst", p->burst); + fprintf(f, "%s = %s\n", "pcap_file_rd", p->file_name); + fprintf(f, "%s = %" PRIu32 "\n", "pcap_bytes_rd_per_pkt", + p->n_bytes_per_pkt); + fputc('\n', f); + } +} + +static void +save_sink_params(struct app_params *app, FILE *f) +{ + struct app_pktq_sink_params *p; + size_t i, count; + + count = RTE_DIM(app->sink_params); + for (i = 0; i < count; i++) { + p = &app->sink_params[i]; + if (!APP_PARAM_VALID(p)) + continue; + + fprintf(f, "[%s]\n", p->name); + fprintf(f, "%s = %s\n", "pcap_file_wr", p->file_name); + fprintf(f, "%s = %" PRIu32 "\n", + "pcap_n_pkt_wr", p->n_pkts_to_dump); + fputc('\n', f); + } +} + +static void +save_msgq_params(struct app_params *app, FILE *f) +{ + struct app_msgq_params *p; + size_t i, count; + + count = RTE_DIM(app->msgq_params); + for (i = 0; i < count; i++) { + p = &app->msgq_params[i]; + if (!APP_PARAM_VALID(p)) + continue; + + fprintf(f, "[%s]\n", p->name); + fprintf(f, "%s = %" PRIu32 "\n", "size", p->size); + fprintf(f, "%s = %" PRIu32 "\n", "cpu", p->cpu_socket_id); + + fputc('\n', f); + } +} + +static void +save_pipeline_params(struct app_params *app, FILE *f) +{ + size_t i, count; + + count = RTE_DIM(app->pipeline_params); + for (i = 0; i < count; i++) { + struct app_pipeline_params *p = &app->pipeline_params[i]; + + if (!APP_PARAM_VALID(p)) + continue; + + /* section name */ + fprintf(f, "[%s]\n", p->name); + + /* type */ + fprintf(f, "type = %s\n", p->type); + + /* core */ + fprintf(f, "core = s%" PRIu32 "c%" PRIu32 "%s\n", + p->socket_id, + p->core_id, + (p->hyper_th_id) ? "h" : ""); + + /* pktq_in */ + if (p->n_pktq_in) { + uint32_t j; + + fprintf(f, "pktq_in ="); + for (j = 0; j < p->n_pktq_in; j++) { + struct app_pktq_in_params *pp = &p->pktq_in[j]; + char *name; + + switch (pp->type) { + case APP_PKTQ_IN_HWQ: + name = app->hwq_in_params[pp->id].name; + break; + case APP_PKTQ_IN_SWQ: + name = app->swq_params[pp->id].name; + break; + case APP_PKTQ_IN_TM: + name = app->tm_params[pp->id].name; + break; + case APP_PKTQ_IN_SOURCE: + name = app->source_params[pp->id].name; + break; + default: + APP_CHECK(0, "System error " + "occurred while saving " + "parameter to file"); + } + + fprintf(f, " %s", name); + } + fprintf(f, "\n"); + } + + /* pktq_in */ + if (p->n_pktq_out) { + uint32_t j; + + fprintf(f, "pktq_out ="); + for (j = 0; j < p->n_pktq_out; j++) { + struct app_pktq_out_params *pp = + &p->pktq_out[j]; + char *name; + + switch (pp->type) { + case APP_PKTQ_OUT_HWQ: + name = app->hwq_out_params[pp->id].name; + break; + case APP_PKTQ_OUT_SWQ: + name = app->swq_params[pp->id].name; + break; + case APP_PKTQ_OUT_TM: + name = app->tm_params[pp->id].name; + break; + case APP_PKTQ_OUT_SINK: + name = app->sink_params[pp->id].name; + break; + default: + APP_CHECK(0, "System error " + "occurred while saving " + "parameter to file"); + } + + fprintf(f, " %s", name); + } + fprintf(f, "\n"); + } + + /* msgq_in */ + if (p->n_msgq_in) { + uint32_t j; + + fprintf(f, "msgq_in ="); + for (j = 0; j < p->n_msgq_in; j++) { + uint32_t id = p->msgq_in[j]; + char *name = app->msgq_params[id].name; + + fprintf(f, " %s", name); + } + fprintf(f, "\n"); + } + + /* msgq_out */ + if (p->n_msgq_out) { + uint32_t j; + + fprintf(f, "msgq_out ="); + for (j = 0; j < p->n_msgq_out; j++) { + uint32_t id = p->msgq_out[j]; + char *name = app->msgq_params[id].name; + + fprintf(f, " %s", name); + } + fprintf(f, "\n"); + } + + /* timer_period */ + fprintf(f, "timer_period = %" PRIu32 "\n", p->timer_period); + + /* args */ + if (p->n_args) { + uint32_t j; + + for (j = 0; j < p->n_args; j++) + fprintf(f, "%s = %s\n", p->args_name[j], + p->args_value[j]); + } + + fprintf(f, "\n"); + } +} + +void +app_config_save(struct app_params *app, const char *file_name) +{ + FILE *file; + char *name, *dir_name; + int status; + + name = strdup(file_name); + dir_name = dirname(name); + status = access(dir_name, W_OK); + APP_CHECK((status == 0), + "Error: need write access privilege to directory " + "\"%s\" to save configuration\n", dir_name); + + file = fopen(file_name, "w"); + APP_CHECK((file != NULL), + "Error: failed to save configuration to file \"%s\"", + file_name); + + save_eal_params(app, file); + save_pipeline_params(app, file); + save_mempool_params(app, file); + save_links_params(app, file); + save_rxq_params(app, file); + save_txq_params(app, file); + save_swq_params(app, file); + save_tm_params(app, file); + save_source_params(app, file); + save_sink_params(app, file); + save_msgq_params(app, file); + + fclose(file); + free(name); +} + +int +app_config_init(struct app_params *app) +{ + size_t i; + + memcpy(app, &app_params_default, sizeof(struct app_params)); + + for (i = 0; i < RTE_DIM(app->mempool_params); i++) + memcpy(&app->mempool_params[i], + &mempool_params_default, + sizeof(struct app_mempool_params)); + + for (i = 0; i < RTE_DIM(app->link_params); i++) + memcpy(&app->link_params[i], + &link_params_default, + sizeof(struct app_link_params)); + + for (i = 0; i < RTE_DIM(app->hwq_in_params); i++) + memcpy(&app->hwq_in_params[i], + &default_hwq_in_params, + sizeof(default_hwq_in_params)); + + for (i = 0; i < RTE_DIM(app->hwq_out_params); i++) + memcpy(&app->hwq_out_params[i], + &default_hwq_out_params, + sizeof(default_hwq_out_params)); + + for (i = 0; i < RTE_DIM(app->swq_params); i++) + memcpy(&app->swq_params[i], + &default_swq_params, + sizeof(default_swq_params)); + + for (i = 0; i < RTE_DIM(app->tm_params); i++) + memcpy(&app->tm_params[i], + &default_tm_params, + sizeof(default_tm_params)); + + for (i = 0; i < RTE_DIM(app->source_params); i++) + memcpy(&app->source_params[i], + &default_source_params, + sizeof(default_source_params)); + + for (i = 0; i < RTE_DIM(app->sink_params); i++) + memcpy(&app->sink_params[i], + &default_sink_params, + sizeof(default_sink_params)); + + for (i = 0; i < RTE_DIM(app->msgq_params); i++) + memcpy(&app->msgq_params[i], + &default_msgq_params, + sizeof(default_msgq_params)); + + for (i = 0; i < RTE_DIM(app->pipeline_params); i++) + memcpy(&app->pipeline_params[i], + &default_pipeline_params, + sizeof(default_pipeline_params)); + + return 0; +} + +static char * +filenamedup(const char *filename, const char *suffix) +{ + char *s = malloc(strlen(filename) + strlen(suffix) + 1); + + if (!s) + return NULL; + + sprintf(s, "%s%s", filename, suffix); + return s; +} + +int +app_config_args(struct app_params *app, int argc, char **argv) +{ + const char *optname; + int opt, option_index; + int f_present, s_present, p_present, l_present; + int preproc_present, preproc_params_present, disable_csum_present; + int hwlb_present; + int flow_dir_present; + int scaned = 0; + + static struct option lgopts[] = { + { "disable-hw-csum", 0, 0, 0 }, + { "preproc", 1, 0, 0 }, + { "preproc-args", 1, 0, 0 }, + { "hwlb", 1, 0, 0 }, + { "flow_dir", 0, 0, 0 }, + { NULL, 0, 0, 0 } + }; + + /* Copy application name */ + strncpy(app->app_name, argv[0], APP_APPNAME_SIZE - 1); + + f_present = 0; + s_present = 0; + p_present = 0; + l_present = 0; + disable_csum_present = 0; + preproc_present = 0; + preproc_params_present = 0; + app->header_csum_req =1; //Default enable haeader checksum + hwlb_present = 0; + flow_dir_present = 0; + + + while ((opt = getopt_long(argc, argv, "f:s:p:l:", lgopts, + &option_index)) != EOF) + switch (opt) { + case 'f': + if (f_present) + rte_panic("Error: Config file is provided " + "more than once\n"); + f_present = 1; + + if (!strlen(optarg)) + rte_panic("Error: Config file name is null\n"); + + app->config_file = strdup(optarg); + if (app->config_file == NULL) + rte_panic("Error: Memory allocation failure\n"); + + break; + + case 's': + if (s_present) + rte_panic("Error: Script file is provided " + "more than once\n"); + s_present = 1; + + if (!strlen(optarg)) + rte_panic("Error: Script file name is null\n"); + + app->script_file = strdup(optarg); + if (app->script_file == NULL) + rte_panic("Error: Memory allocation failure\n"); + + break; + + case 'p': + if (p_present) + rte_panic("Error: PORT_MASK is provided " + "more than once\n"); + p_present = 1; + + if ((sscanf(optarg, "%" SCNx64 "%n", &app->port_mask, + &scaned) != 1) || + ((size_t) scaned != strlen(optarg))) + rte_panic("Error: PORT_MASK is not " + "a hexadecimal integer\n"); + + if (app->port_mask == 0) + rte_panic("Error: PORT_MASK is null\n"); + + break; + + case 'l': + if (l_present) + rte_panic("Error: LOG_LEVEL is provided " + "more than once\n"); + l_present = 1; + + if ((sscanf(optarg, "%" SCNu32 "%n", &app->log_level, + &scaned) != 1) || + ((size_t) scaned != strlen(optarg)) || + (app->log_level >= APP_LOG_LEVELS)) + rte_panic("Error: LOG_LEVEL invalid value\n"); + + break; + + case 0: + optname = lgopts[option_index].name; + + if (strcmp(optname, "hwlb") == 0) { + if (hwlb_present) + rte_panic("Error: hwlb argument " + "is provided more than once\n"); + hwlb_present = 1; + printf(" HWLB is configured\n"); + + app->n_hwlb_q = atoi(optarg); + + if(!app->n_hwlb_q) + rte_panic("HWQs for HWLB must be atleast 1\n"); + + printf("No of HWQs for HWLB are %d\n",app->n_hwlb_q); + enable_hwlb = 1; + break; + } + + if (strcmp(optname, "flow_dir") == 0) { + if (flow_dir_present) + rte_panic("Error: flow_dir argument " + "is provided more than once\n"); + flow_dir_present = 1; + printf(" FLOW DIR is configured\n"); + + enable_flow_dir = 1; + + break; + } + + if (strcmp(optname, "disable-hw-csum") == 0) { + if (disable_csum_present) + rte_panic("Error: disable-hw-csum argument " + "is provided more than once\n"); + + printf("Disable TCP/UDP HW checksumi\n"); + app->header_csum_req = 0; + disable_csum_present = 1; + break; + } + + if (strcmp(optname, "preproc") == 0) { + if (preproc_present) + rte_panic("Error: Preprocessor argument " + "is provided more than once\n"); + preproc_present = 1; + + app->preproc = strdup(optarg); + break; + } + + if (strcmp(optname, "preproc-args") == 0) { + if (preproc_params_present) + rte_panic("Error: Preprocessor args " + "are provided more than once\n"); + preproc_params_present = 1; + + app->preproc_args = strdup(optarg); + break; + } + + app_print_usage(argv[0]); + break; + + default: + app_print_usage(argv[0]); + } + + optind = 0; /* reset getopt lib */ + + /* Check dependencies between args */ + if (preproc_params_present && (preproc_present == 0)) + rte_panic("Error: Preprocessor args specified while " + "preprocessor is not defined\n"); + + app->parser_file = preproc_present ? + filenamedup(app->config_file, ".preproc") : + strdup(app->config_file); + app->output_file = filenamedup(app->config_file, ".out"); + + return 0; +} + +int +app_config_preproc(struct app_params *app) +{ + char buffer[256]; + int status; + + if (app->preproc == NULL) + return 0; + + status = access(app->config_file, F_OK | R_OK); + APP_CHECK((status == 0), "Error: Unable to open file %s", + app->config_file); + + snprintf(buffer, sizeof(buffer), "%s %s %s > %s", + app->preproc, + app->preproc_args ? app->preproc_args : "", + app->config_file, + app->parser_file); + + status = system(buffer); + APP_CHECK((WIFEXITED(status) && (WEXITSTATUS(status) == 0)), + "Error occurred while pre-processing file \"%s\"\n", + app->config_file); + + return status; +} |