VNFs/DPPD-PROX/prox_port_cfg.c

   1 /*
   2 // Copyright (c) 2010-2017 Intel Corporation
   3 //
   4 // Licensed under the Apache License, Version 2.0 (the "License");
   5 // you may not use this file except in compliance with the License.
   6 // You may obtain a copy of the License at
   7 //
   8 //     http://www.apache.org/licenses/LICENSE-2.0
   9 //
  10 // Unless required by applicable law or agreed to in writing, software
  11 // distributed under the License is distributed on an "AS IS" BASIS,
  12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 // See the License for the specific language governing permissions and
  14 // limitations under the License.
  15 */
  16
  17 #include <string.h>
  18 #include <stdio.h>
  19 #include <rte_version.h>
  20 #include <rte_eth_ring.h>
  21 #include <rte_mbuf.h>
  22 #if (RTE_VERSION >= RTE_VERSION_NUM(17,11,0,0))
  23 #include <rte_bus_vdev.h>
  24 #else
  25 #if (RTE_VERSION > RTE_VERSION_NUM(17,5,0,2))
  26 #include <rte_dev.h>
  27 #else
  28 #if (RTE_VERSION >= RTE_VERSION_NUM(2,1,0,0))
  29 #include <rte_eth_null.h>
  30 #endif
  31 #endif
  32 #endif
  33
  34 #include "prox_port_cfg.h"
  35 #include "prox_globals.h"
  36 #include "log.h"
  37 #include "quit.h"
  38 #include "defaults.h"
  39 #include "toeplitz.h"
  40 #include "defines.h"
  41 #include "prox_cksum.h"
  42 #include "stats_irq.h"
  43 #include "prox_compat.h"
  44
  45 struct prox_port_cfg prox_port_cfg[PROX_MAX_PORTS];
  46 rte_atomic32_t lsc;
  47
  48 int prox_nb_active_ports(void)
  49 {
  50         int ret = 0;
  51         for (uint32_t i = 0; i < PROX_MAX_PORTS; ++i) {
  52                 ret += prox_port_cfg[i].active;
  53         }
  54         return ret;
  55 }
  56
  57 int prox_last_port_active(void)
  58 {
  59         int ret = -1;
  60         for (uint32_t i = 0; i < PROX_MAX_PORTS; ++i) {
  61                 if (prox_port_cfg[i].active) {
  62                         ret = i;
  63                 }
  64         }
  65         return ret;
  66 }
  67
  68 #if RTE_VERSION >= RTE_VERSION_NUM(17,11,0,0)
  69 static int lsc_cb(__attribute__((unused)) uint16_t port_id, enum rte_eth_event_type type, __attribute__((unused)) void *param,
  70         __attribute__((unused)) void *ret_param)
  71 #else
  72 #if RTE_VERSION >= RTE_VERSION_NUM(17,8,0,1)
  73 static int lsc_cb(__attribute__((unused)) uint8_t port_id, enum rte_eth_event_type type, __attribute__((unused)) void *param,
  74         __attribute__((unused)) void *ret_param)
  75 #else
  76 static void lsc_cb(__attribute__((unused)) uint8_t port_id, enum rte_eth_event_type type, __attribute__((unused)) void *param)
  77 #endif
  78 #endif
  79 {
  80         if (RTE_ETH_EVENT_INTR_LSC != type) {
  81 #if RTE_VERSION >= RTE_VERSION_NUM(17,8,0,1)
  82                 return -1;
  83 #else
  84                 return;
  85 #endif
  86         }
  87
  88         rte_atomic32_inc(&lsc);
  89
  90 #if RTE_VERSION >= RTE_VERSION_NUM(17,8,0,1)
  91         return 0;
  92 #endif
  93 }
  94
  95 struct prox_pktmbuf_reinit_args {
  96         struct rte_mempool *mp;
  97         struct lcore_cfg   *lconf;
  98 };
  99
 100 /* standard mbuf initialization procedure */
 101 void prox_pktmbuf_init(struct rte_mempool *mp, void *opaque_arg, void *_m, unsigned i)
 102 {
 103         struct rte_mbuf *mbuf = _m;
 104
 105 #if RTE_VERSION >= RTE_VERSION_NUM(1,8,0,0)
 106         mbuf->tx_offload = CALC_TX_OL(sizeof(struct ether_hdr), sizeof(struct ipv4_hdr));
 107 #else
 108         mbuf->pkt.vlan_macip.f.l2_len = sizeof(struct ether_hdr);
 109         mbuf->pkt.vlan_macip.f.l3_len = sizeof(struct ipv4_hdr);
 110 #endif
 111
 112         rte_pktmbuf_init(mp, opaque_arg, mbuf, i);
 113 }
 114
 115 void prox_pktmbuf_reinit(void *arg, void *start, __attribute__((unused)) void *end, uint32_t idx)
 116 {
 117         struct prox_pktmbuf_reinit_args *init_args = arg;
 118         struct rte_mbuf *m;
 119         char* obj = start;
 120
 121         obj += init_args->mp->header_size;
 122         m = (struct rte_mbuf*)obj;
 123
 124         prox_pktmbuf_init(init_args->mp, init_args->lconf, obj, idx);
 125 }
 126
 127 #define CONFIGURE_TX_OFFLOAD(flag)                                           \
 128         if (port_cfg->requested_tx_offload & flag)                              {\
 129                 if (port_cfg->disabled_tx_offload & flag)                       {\
 130                         plog_info("\t\t%s disabled by configuration\n", #flag);\
 131                         port_cfg->requested_tx_offload &= ~flag;\
 132                 } else if (port_cfg->dev_info.tx_offload_capa & flag) {\
 133                         port_cfg->port_conf.txmode.offloads |= flag;\
 134                         plog_info("\t\t%s enabled on port\n", #flag);\
 135                 } else if (port_cfg->dev_info.tx_queue_offload_capa & flag) {\
 136                         port_cfg->tx_conf.offloads |= flag;\
 137                         plog_info("\t\t%s enabled on queue\n", #flag);\
 138                 } else {\
 139                         port_cfg->requested_tx_offload &= ~flag;\
 140                         plog_info("\t\t%s disabled as neither port or queue supports it\n", #flag);\
 141                 }\
 142         } else {\
 143                 plog_info("\t\t%s disabled\n", #flag);\
 144         }\
 145
 146 #define CONFIGURE_RX_OFFLOAD(flag)                                           \
 147         if (port_cfg->requested_rx_offload & flag)                              {\
 148                 if (port_cfg->dev_info.rx_offload_capa & flag) {\
 149                         port_cfg->port_conf.rxmode.offloads |= flag;\
 150                         plog_info("\t\t%s enabled on port\n", #flag);\
 151                 } else if (port_cfg->dev_info.rx_queue_offload_capa & flag) {\
 152                         port_cfg->rx_conf.offloads |= flag;\
 153                         plog_info("\t\t%s enabled on queue\n", #flag);\
 154                 } else {\
 155                         port_cfg->requested_rx_offload &= ~flag;\
 156                         plog_info("\t\t%s disabled as neither port or queue supports it\n", #flag);\
 157                 }\
 158         } else {\
 159                 plog_info("\t\t%s disabled\n", #flag);\
 160         }\
 161
 162
 163 /* initialize rte devices and check the number of available ports */
 164 void init_rte_dev(int use_dummy_devices)
 165 {
 166         uint8_t nb_ports, port_id_max;
 167         int port_id_last;
 168         struct rte_eth_dev_info dev_info;
 169         const struct rte_pci_device *pci_dev;
 170
 171         nb_ports = rte_eth_dev_count();
 172         /* get available ports configuration */
 173         PROX_PANIC(use_dummy_devices && nb_ports, "Can't use dummy devices while there are also real ports\n");
 174
 175         if (use_dummy_devices) {
 176 #if (RTE_VERSION >= RTE_VERSION_NUM(2,1,0,0))
 177                 nb_ports = prox_last_port_active() + 1;
 178                 plog_info("Creating %u dummy devices\n", nb_ports);
 179
 180                 char port_name[32] = "0dummy_dev";
 181                 for (uint32_t i = 0; i < nb_ports; ++i) {
 182 #if (RTE_VERSION > RTE_VERSION_NUM(17,5,0,1))
 183                         rte_vdev_init(port_name, "size=ETHER_MIN_LEN,copy=0");
 184 #else
 185                         eth_dev_null_create(port_name, 0, ETHER_MIN_LEN, 0);
 186 #endif
 187                         port_name[0]++;
 188                 }
 189 #else
 190         PROX_PANIC(use_dummy_devices, "Can't use dummy devices\n");
 191 #endif
 192         }
 193         else if (prox_last_port_active() != -1) {
 194                 PROX_PANIC(nb_ports == 0, "\tError: DPDK could not find any port\n");
 195                 plog_info("\tDPDK has found %u ports\n", nb_ports);
 196         }
 197
 198         if (nb_ports > PROX_MAX_PORTS) {
 199                 plog_warn("\tWarning: I can deal with at most %u ports."
 200                         " Please update PROX_MAX_PORTS and recompile.\n", PROX_MAX_PORTS);
 201
 202                 nb_ports = PROX_MAX_PORTS;
 203         }
 204         port_id_max = nb_ports - 1;
 205         port_id_last = prox_last_port_active();
 206         PROX_PANIC(port_id_last > port_id_max,
 207                    "\tError: invalid port(s) specified, last port index active: %d (max index is %d)\n",
 208                    port_id_last, port_id_max);
 209
 210         /* Assign ports to PROX interfaces & Read max RX/TX queues per port */
 211         for (uint8_t port_id = 0; port_id < nb_ports; ++port_id) {
 212                 /* skip ports that are not enabled */
 213                 if (!prox_port_cfg[port_id].active) {
 214                         continue;
 215                 }
 216                 plog_info("\tGetting info for rte dev %u\n", port_id);
 217                 rte_eth_dev_info_get(port_id, &dev_info);
 218                 struct prox_port_cfg* port_cfg = &prox_port_cfg[port_id];
 219                 port_cfg->socket = -1;
 220
 221                 memcpy(&port_cfg->dev_info, &dev_info, sizeof(struct rte_eth_dev_info));
 222                 port_cfg->max_txq = dev_info.max_tx_queues;
 223                 port_cfg->max_rxq = dev_info.max_rx_queues;
 224                 port_cfg->max_rx_pkt_len = dev_info.max_rx_pktlen;
 225                 port_cfg->min_rx_bufsize = dev_info.min_rx_bufsize;
 226
 227                 strncpy(port_cfg->driver_name, dev_info.driver_name, sizeof(port_cfg->driver_name));
 228                 plog_info("\tPort %u : driver='%s' tx_queues=%d rx_queues=%d\n", port_id, !strcmp(port_cfg->driver_name, "")? "null" : port_cfg->driver_name, port_cfg->max_txq, port_cfg->max_rxq);
 229
 230                 if (strncmp(port_cfg->driver_name, "rte_", 4) == 0) {
 231                         strncpy(port_cfg->short_name, prox_port_cfg[port_id].driver_name + 4, sizeof(port_cfg->short_name));
 232                 } else if (strncmp(port_cfg->driver_name, "net_", 4) == 0) {
 233                         strncpy(port_cfg->short_name, prox_port_cfg[port_id].driver_name + 4, sizeof(port_cfg->short_name));
 234                 } else {
 235                         strncpy(port_cfg->short_name, prox_port_cfg[port_id].driver_name, sizeof(port_cfg->short_name));
 236                 }
 237                 char *ptr;
 238                 if ((ptr = strstr(port_cfg->short_name, "_pmd")) != NULL) {
 239                         *ptr = '\x0';
 240                 }
 241
 242 #if RTE_VERSION < RTE_VERSION_NUM(18,5,0,0)
 243                 pci_dev = dev_info.pci_dev;
 244 #else
 245                 if (!dev_info.device)
 246                         continue;
 247                 pci_dev = RTE_DEV_TO_PCI(dev_info.device);
 248 #endif
 249                 if (!pci_dev)
 250                         continue;
 251
 252                 snprintf(port_cfg->pci_addr, sizeof(port_cfg->pci_addr),
 253                          "%04x:%02x:%02x.%1x", pci_dev->addr.domain, pci_dev->addr.bus, pci_dev->addr.devid, pci_dev->addr.function);
 254                 /* Try to find the device's numa node */
 255                 char buf[1024];
 256                 snprintf(buf, sizeof(buf), "/sys/bus/pci/devices/%s/numa_node", port_cfg->pci_addr);
 257                 FILE* numa_node_fd = fopen(buf, "r");
 258                 if (numa_node_fd) {
 259                         if (fgets(buf, sizeof(buf), numa_node_fd) == NULL) {
 260                                 plog_warn("Failed to read numa_node for device %s\n", port_cfg->pci_addr);
 261                         }
 262                         port_cfg->socket = strtol(buf, 0, 0);
 263                         if (port_cfg->socket == -1) {
 264                                 plog_warn("System did not report numa_node for device %s\n", port_cfg->pci_addr);
 265                         }
 266                         fclose(numa_node_fd);
 267                 }
 268
 269                 // In DPDK 18.08 vmxnet3 reports it supports IPV4 checksum, but packets does not go through when IPv4 cksum is enabled
 270                 if ((!strcmp(port_cfg->short_name, "vmxnet3")) && (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_IPV4_CKSUM)) {
 271                         plog_info("\t\tDisabling IPV4 cksum on vmxnet3\n");
 272                         port_cfg->disabled_tx_offload |= DEV_TX_OFFLOAD_IPV4_CKSUM;
 273                 }
 274                 if ((!strcmp(port_cfg->short_name, "vmxnet3")) && (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_UDP_CKSUM)) {
 275                         plog_info("\t\tDisabling UDP cksum on vmxnet3\n");
 276                         port_cfg->disabled_tx_offload |= DEV_TX_OFFLOAD_UDP_CKSUM;
 277                 }
 278         }
 279 }
 280
 281 /* Create rte ring-backed devices */
 282 uint8_t init_rte_ring_dev(void)
 283 {
 284         uint8_t nb_ring_dev = 0;
 285
 286         for (uint8_t port_id = 0; port_id < PROX_MAX_PORTS; ++port_id) {
 287                 /* skip ports that are not enabled */
 288                 if (!prox_port_cfg[port_id].active) {
 289                         continue;
 290                 }
 291                 struct prox_port_cfg* port_cfg = &prox_port_cfg[port_id];
 292                 if (port_cfg->rx_ring[0] != '\0') {
 293                         plog_info("\tRing-backed port %u: rx='%s' tx='%s'\n", port_id, port_cfg->rx_ring, port_cfg->tx_ring);
 294
 295                         struct rte_ring* rx_ring = rte_ring_lookup(port_cfg->rx_ring);
 296                         PROX_PANIC(rx_ring == NULL, "Ring %s not found for port %d!\n", port_cfg->rx_ring, port_id);
 297                         struct rte_ring* tx_ring = rte_ring_lookup(port_cfg->tx_ring);
 298                         PROX_PANIC(tx_ring == NULL, "Ring %s not found for port %d!\n", port_cfg->tx_ring, port_id);
 299
 300                         int ret = rte_eth_from_rings(port_cfg->name, &rx_ring, 1, &tx_ring, 1, rte_socket_id());
 301                         PROX_PANIC(ret != 0, "Failed to create eth_dev from rings for port %d\n", port_id);
 302
 303                         port_cfg->port_conf.intr_conf.lsc = 0; /* Link state interrupt not supported for ring-backed ports */
 304
 305                         nb_ring_dev++;
 306                 }
 307         }
 308
 309         return nb_ring_dev;
 310 }
 311
 312 static void print_port_capa(struct prox_port_cfg *port_cfg)
 313 {
 314 #if RTE_VERSION >= RTE_VERSION_NUM(18,8,0,1)
 315         plog_info("\t\tRX offload capa = 0x%lx = ", port_cfg->dev_info.rx_offload_capa);
 316         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_VLAN_STRIP)
 317                 plog_info("VLAN STRIP | ");
 318         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_IPV4_CKSUM)
 319                 plog_info("IPV4 CKSUM | ");
 320         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_UDP_CKSUM)
 321                 plog_info("UDP CKSUM | ");
 322         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_TCP_CKSUM)
 323                 plog_info("TCP CKSUM | ");
 324         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_TCP_LRO)
 325                 plog_info("TCP LRO | ");
 326         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_QINQ_STRIP)
 327                 plog_info("QINQ STRIP | ");
 328         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM)
 329                 plog_info("OUTER_IPV4_CKSUM | ");
 330         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_MACSEC_STRIP)
 331                 plog_info("MACSEC STRIP | ");
 332         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_HEADER_SPLIT)
 333                 plog_info("HEADER SPLIT | ");
 334         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_VLAN_FILTER)
 335                 plog_info("VLAN FILTER | ");
 336         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_VLAN_EXTEND)
 337                 plog_info("VLAN EXTEND | ");
 338         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_JUMBO_FRAME)
 339                 plog_info("JUMBO FRAME | ");
 340         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_CRC_STRIP)
 341                 plog_info("CRC STRIP | ");
 342         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_SCATTER)
 343                 plog_info("SCATTER | ");
 344         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_TIMESTAMP)
 345                 plog_info("TIMESTAMP | ");
 346         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_SECURITY)
 347                 plog_info("SECURITY ");
 348         plog_info("\n");
 349
 350         plog_info("\t\tTX offload capa = 0x%lx = ", port_cfg->dev_info.tx_offload_capa);
 351         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_VLAN_INSERT)
 352                 plog_info("VLAN INSERT | ");
 353         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_IPV4_CKSUM)
 354                 plog_info("IPV4 CKSUM | ");
 355         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_UDP_CKSUM)
 356                 plog_info("UDP CKSUM | ");
 357         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_TCP_CKSUM)
 358                 plog_info("TCP CKSUM | ");
 359         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_SCTP_CKSUM)
 360                 plog_info("SCTP CKSUM | ");
 361         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_TCP_TSO)
 362                 plog_info("TCP TS0 | ");
 363         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_UDP_TSO)
 364                 plog_info("UDP TSO | ");
 365         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM)
 366                 plog_info("OUTER IPV4 CKSUM | ");
 367         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_QINQ_INSERT)
 368                 plog_info("QINQ INSERT | ");
 369         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_VXLAN_TNL_TSO)
 370                 plog_info("VLAN TNL TSO | ");
 371         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_GRE_TNL_TSO)
 372                 plog_info("GRE TNL TSO | ");
 373         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_IPIP_TNL_TSO)
 374                 plog_info("IPIP TNL TSO | ");
 375         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_GENEVE_TNL_TSO)
 376                 plog_info("GENEVE TNL TSO | ");
 377         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MACSEC_INSERT)
 378                 plog_info("MACSEC INSERT | ");
 379         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MT_LOCKFREE)
 380                 plog_info("MT LOCKFREE | ");
 381         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MULTI_SEGS)
 382                 plog_info("MULTI SEG | ");
 383         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_SECURITY)
 384                 plog_info("SECURITY | ");
 385         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_UDP_TNL_TSO)
 386                 plog_info("UDP TNL TSO | ");
 387         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_IP_TNL_TSO)
 388                 plog_info("IP TNL TSO | ");
 389         plog_info("\n");
 390
 391         plog_info("\t\trx_queue_offload_capa = 0x%lx\n", port_cfg->dev_info.rx_queue_offload_capa);
 392         plog_info("\t\ttx_queue_offload_capa = 0x%lx\n", port_cfg->dev_info.tx_queue_offload_capa);
 393         plog_info("\t\tflow_type_rss_offloads = 0x%lx\n", port_cfg->dev_info.flow_type_rss_offloads);
 394         plog_info("\t\tdefault RX port conf: burst_size = %d, ring_size = %d, nb_queues = %d\n", port_cfg->dev_info.default_rxportconf.burst_size, port_cfg->dev_info.default_rxportconf.ring_size, port_cfg->dev_info.default_rxportconf.nb_queues);
 395         plog_info("\t\tdefault TX port conf: burst_size = %d, ring_size = %d, nb_queues = %d\n", port_cfg->dev_info.default_txportconf.burst_size, port_cfg->dev_info.default_txportconf.ring_size, port_cfg->dev_info.default_txportconf.nb_queues);
 396 #endif
 397 }
 398
 399 static void init_port(struct prox_port_cfg *port_cfg)
 400 {
 401         static char dummy_pool_name[] = "0_dummy";
 402         struct rte_eth_link link;
 403         uint8_t port_id;
 404         int ret;
 405
 406         port_id = port_cfg - prox_port_cfg;
 407         plog_info("\t*** Initializing port %u ***\n", port_id);
 408         plog_info("\t\tPort name is set to %s\n", port_cfg->name);
 409         plog_info("\t\tPort max RX/TX queue is %u/%u\n", port_cfg->max_rxq, port_cfg->max_txq);
 410         plog_info("\t\tPort driver is %s\n", port_cfg->driver_name);
 411 #if RTE_VERSION >= RTE_VERSION_NUM(16,4,0,0)
 412         plog_info("\t\tSupported speed mask = 0x%x\n", port_cfg->dev_info.speed_capa);
 413 #endif
 414
 415         PROX_PANIC(port_cfg->n_rxq == 0 && port_cfg->n_txq == 0,
 416                    "\t\t port %u is enabled but no RX or TX queues have been configured", port_id);
 417
 418         if (port_cfg->n_rxq == 0) {
 419                 /* not receiving on this port */
 420                 plog_info("\t\tPort %u had no RX queues, setting to 1\n", port_id);
 421                 port_cfg->n_rxq = 1;
 422                 uint32_t mbuf_size = TX_MBUF_SIZE;
 423                 plog_info("\t\tAllocating dummy memory pool on socket %u with %u elements of size %u\n",
 424                           port_cfg->socket, port_cfg->n_rxd, mbuf_size);
 425                 port_cfg->pool[0] = rte_mempool_create(dummy_pool_name, port_cfg->n_rxd, mbuf_size,
 426                                                        0,
 427                                                        sizeof(struct rte_pktmbuf_pool_private),
 428                                                        rte_pktmbuf_pool_init, NULL,
 429                                                        prox_pktmbuf_init, 0,
 430                                                        port_cfg->socket, 0);
 431                 PROX_PANIC(port_cfg->pool[0] == NULL, "Failed to allocate dummy memory pool on socket %u with %u elements\n",
 432                            port_cfg->socket, port_cfg->n_rxd);
 433                 dummy_pool_name[0]++;
 434         } else {
 435                 // Most pmd should now support setting mtu
 436                 if (port_cfg->mtu + ETHER_HDR_LEN + ETHER_CRC_LEN > port_cfg->max_rx_pkt_len) {
 437                         plog_info("\t\tMTU is too big for the port, reducing MTU from %d to %d\n", port_cfg->mtu, port_cfg->max_rx_pkt_len);
 438                         port_cfg->mtu = port_cfg->max_rx_pkt_len;
 439                 }
 440                 plog_info("\t\tSetting MTU size to %u for port %u ...\n", port_cfg->mtu, port_id);
 441                 ret = rte_eth_dev_set_mtu(port_id, port_cfg->mtu);
 442                 if (ret)
 443                         plog_err("\t\t\trte_eth_dev_set_mtu() failed on port %u: error %d\n", port_id, ret);
 444
 445                 if (port_cfg->n_txq == 0) {
 446                         /* not sending on this port */
 447                         plog_info("\t\tPort %u had no TX queues, setting to 1\n", port_id);
 448                         port_cfg->n_txq = 1;
 449                 }
 450         }
 451
 452         if (port_cfg->n_rxq > 1)  {
 453                 // Enable RSS if multiple receive queues
 454                 port_cfg->port_conf.rxmode.mq_mode                      |= ETH_MQ_RX_RSS;
 455                 port_cfg->port_conf.rx_adv_conf.rss_conf.rss_key        = toeplitz_init_key;
 456                 port_cfg->port_conf.rx_adv_conf.rss_conf.rss_key_len    = TOEPLITZ_KEY_LEN;
 457 #if RTE_VERSION >= RTE_VERSION_NUM(2,0,0,0)
 458                 port_cfg->port_conf.rx_adv_conf.rss_conf.rss_hf         = ETH_RSS_IPV4|ETH_RSS_NONFRAG_IPV4_UDP;
 459 #else
 460                 port_cfg->port_conf.rx_adv_conf.rss_conf.rss_hf         = ETH_RSS_IPV4|ETH_RSS_NONF_IPV4_UDP;
 461 #endif
 462         }
 463         print_port_capa(port_cfg);
 464
 465         // rxmode such as hw src strip
 466 #if RTE_VERSION >= RTE_VERSION_NUM(18,8,0,1)
 467         CONFIGURE_RX_OFFLOAD(DEV_RX_OFFLOAD_CRC_STRIP);
 468         CONFIGURE_RX_OFFLOAD(DEV_RX_OFFLOAD_JUMBO_FRAME);
 469         CONFIGURE_RX_OFFLOAD(DEV_RX_OFFLOAD_VLAN_STRIP);
 470 #else
 471         if (port_cfg->requested_rx_offload & DEV_RX_OFFLOAD_CRC_STRIP) {
 472                 port_cfg->port_conf.rxmode.hw_strip_crc = 1;
 473         }
 474         if (port_cfg->requested_rx_offload & DEV_RX_OFFLOAD_JUMBO_FRAME) {
 475                 port_cfg->port_conf.rxmode.jumbo_frame = 1;
 476         }
 477 #endif
 478
 479         // IPV4, UDP, SCTP Checksums
 480 #if RTE_VERSION >= RTE_VERSION_NUM(18,8,0,1)
 481         CONFIGURE_TX_OFFLOAD(DEV_TX_OFFLOAD_IPV4_CKSUM);
 482         CONFIGURE_TX_OFFLOAD(DEV_TX_OFFLOAD_UDP_CKSUM);
 483         CONFIGURE_TX_OFFLOAD(DEV_TX_OFFLOAD_VLAN_INSERT);
 484 #else
 485         if ((port_cfg->dev_info.tx_offload_capa & (DEV_TX_OFFLOAD_IPV4_CKSUM | DEV_TX_OFFLOAD_UDP_CKSUM)) == 0) {
 486                 port_cfg->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOOFFLOADS;
 487                 plog_info("\t\tDisabling TX offloads as pmd reports that it does not support them)\n");
 488         }
 489         if (!strcmp(port_cfg->short_name, "vmxnet3")) {
 490                 port_cfg->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOXSUMSCTP;
 491                 plog_info("\t\tDisabling SCTP offload on port %d as vmxnet3 does not support them\n", port_id);
 492         }
 493 #endif
 494         // Multi Segments
 495 #if RTE_VERSION >= RTE_VERSION_NUM(18,8,0,1)
 496         CONFIGURE_TX_OFFLOAD(DEV_TX_OFFLOAD_MULTI_SEGS);
 497 #else
 498         if (!strcmp(port_cfg->short_name, "vmxnet3")) {
 499                 port_cfg->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
 500                 plog_info("\t\tDisabling TX multsegs on port %d as vmxnet3 does not support them\n", port_id);
 501         } else if (port_cfg->tx_conf.txq_flags & ETH_TXQ_FLAGS_NOMULTSEGS)
 502                 plog_info("\t\tDisabling TX multsegs on port %d\n", port_id);
 503         else
 504                 plog_info("\t\tEnabling TX multsegs on port %d\n", port_id);
 505
 506         if (port_cfg->tx_conf.txq_flags & ETH_TXQ_FLAGS_NOOFFLOADS)
 507                 plog_info("\t\tEnabling No TX offloads on port %d\n", port_id);
 508         else
 509                 plog_info("\t\tTX offloads enabled on port %d\n", port_id);
 510 #endif
 511
 512         // Refcount
 513 #if RTE_VERSION >= RTE_VERSION_NUM(18,8,0,1)
 514         CONFIGURE_TX_OFFLOAD(DEV_TX_OFFLOAD_MBUF_FAST_FREE);
 515 #else
 516         if (port_cfg->tx_conf.txq_flags & ETH_TXQ_FLAGS_NOREFCOUNT)
 517                 plog_info("\t\tEnabling No refcnt on port %d\n", port_id);
 518         else
 519                 plog_info("\t\tRefcnt enabled on port %d\n", port_id);
 520 #endif
 521
 522         plog_info("\t\tConfiguring port %u... with %u RX queues and %u TX queues\n",
 523                   port_id, port_cfg->n_rxq, port_cfg->n_txq);
 524
 525         PROX_PANIC(port_cfg->n_rxq > port_cfg->max_rxq, "\t\t\tToo many RX queues (configuring %u, max is %u)\n", port_cfg->n_rxq, port_cfg->max_rxq);
 526         PROX_PANIC(port_cfg->n_txq > port_cfg->max_txq, "\t\t\tToo many TX queues (configuring %u, max is %u)\n", port_cfg->n_txq, port_cfg->max_txq);
 527
 528         if (!strcmp(port_cfg->short_name, "ixgbe_vf") ||
 529             !strcmp(port_cfg->short_name, "virtio") ||
 530 #if RTE_VERSION < RTE_VERSION_NUM(1,8,0,0)
 531             !strcmp(port_cfg->short_name, "i40e") ||
 532 #endif
 533             !strcmp(port_cfg->short_name, "i40e_vf") ||
 534             !strcmp(port_cfg->short_name, "avp") || /* Wind River */
 535             !strcmp(port_cfg->driver_name, "") || /* NULL device */
 536             !strcmp(port_cfg->short_name, "vmxnet3")) {
 537                 port_cfg->port_conf.intr_conf.lsc = 0;
 538                 plog_info("\t\tDisabling link state interrupt for vmxnet3/VF/virtio (unsupported)\n");
 539         }
 540
 541         if (port_cfg->lsc_set_explicitely) {
 542                 port_cfg->port_conf.intr_conf.lsc = port_cfg->lsc_val;
 543                 plog_info("\t\tOverriding link state interrupt configuration to '%s'\n", port_cfg->lsc_val? "enabled" : "disabled");
 544         }
 545         if (!strcmp(port_cfg->short_name, "vmxnet3")) {
 546                 if (port_cfg->n_txd < 512) {
 547                         // Vmxnet3 driver requires minimum 512 tx descriptors
 548                         plog_info("\t\tNumber of TX descriptors is set to 512 (minimum required for vmxnet3\n");
 549                         port_cfg->n_txd = 512;
 550                 }
 551         }
 552
 553         ret = rte_eth_dev_configure(port_id, port_cfg->n_rxq,
 554                                     port_cfg->n_txq, &port_cfg->port_conf);
 555         PROX_PANIC(ret < 0, "\t\t\trte_eth_dev_configure() failed on port %u: %s (%d)\n", port_id, strerror(-ret), ret);
 556
 557         if (port_cfg->port_conf.intr_conf.lsc) {
 558                 rte_eth_dev_callback_register(port_id, RTE_ETH_EVENT_INTR_LSC, lsc_cb, NULL);
 559         }
 560
 561         plog_info("\t\tMAC address set to "MAC_BYTES_FMT"\n", MAC_BYTES(port_cfg->eth_addr.addr_bytes));
 562
 563         /* initialize TX queues first */
 564         for (uint16_t queue_id = 0; queue_id < port_cfg->n_txq; ++queue_id) {
 565                 plog_info("\t\tSetting up TX queue %u on socket %u with %u desc\n",
 566                           queue_id, port_cfg->socket, port_cfg->n_txd);
 567                 ret = rte_eth_tx_queue_setup(port_id, queue_id, port_cfg->n_txd,
 568                                              port_cfg->socket, &port_cfg->tx_conf);
 569                 PROX_PANIC(ret < 0, "\t\t\trte_eth_tx_queue_setup() failed on port %u: error %d\n", port_id, ret);
 570         }
 571
 572         /* initialize RX queues */
 573         for (uint16_t queue_id = 0; queue_id < port_cfg->n_rxq; ++queue_id) {
 574                 plog_info("\t\tSetting up RX queue %u on port %u on socket %u with %u desc (pool 0x%p)\n",
 575                           queue_id, port_id, port_cfg->socket,
 576                           port_cfg->n_rxd, port_cfg->pool[queue_id]);
 577                 ret = rte_eth_rx_queue_setup(port_id, queue_id,
 578                                              port_cfg->n_rxd,
 579                                              port_cfg->socket, &port_cfg->rx_conf,
 580                                              port_cfg->pool[queue_id]);
 581                 PROX_PANIC(ret < 0, "\t\t\trte_eth_rx_queue_setup() failed on port %u: error %s (%d)\n", port_id, strerror(-ret), ret);
 582         }
 583
 584         plog_info("\t\tStarting up port %u ...", port_id);
 585         ret = rte_eth_dev_start(port_id);
 586
 587         PROX_PANIC(ret < 0, "\n\t\t\trte_eth_dev_start() failed on port %u: error %d\n", port_id, ret);
 588         plog_info(" done: ");
 589
 590         /* Getting link status can be done without waiting if Link
 591            State Interrupt is enabled since in that case, if the link
 592            is recognized as being down, an interrupt will notify that
 593            it has gone up. */
 594         if (port_cfg->port_conf.intr_conf.lsc)
 595                 rte_eth_link_get_nowait(port_id, &link);
 596         else
 597                 rte_eth_link_get(port_id, &link);
 598
 599         port_cfg->link_up = link.link_status;
 600         port_cfg->link_speed = link.link_speed;
 601         if (link.link_status) {
 602                 plog_info("Link Up - speed %'u Mbps - %s\n",
 603                           link.link_speed,
 604                           (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
 605                           "full-duplex" : "half-duplex");
 606         }
 607         else {
 608                 plog_info("Link Down\n");
 609         }
 610
 611         if (port_cfg->promiscuous) {
 612                 rte_eth_promiscuous_enable(port_id);
 613                 plog_info("\t\tport %u in promiscuous mode\n", port_id);
 614         }
 615
 616         if (strcmp(port_cfg->short_name, "ixgbe_vf") &&
 617             strcmp(port_cfg->short_name, "i40e") &&
 618             strcmp(port_cfg->short_name, "i40e_vf") &&
 619             strcmp(port_cfg->short_name, "vmxnet3")) {
 620                 for (uint8_t i = 0; i < 16; ++i) {
 621                         ret = rte_eth_dev_set_rx_queue_stats_mapping(port_id, i, i);
 622                         if (ret) {
 623                                 plog_info("\t\trte_eth_dev_set_rx_queue_stats_mapping() failed: error %d\n", ret);
 624                         }
 625                         ret = rte_eth_dev_set_tx_queue_stats_mapping(port_id, i, i);
 626                         if (ret) {
 627                                 plog_info("\t\trte_eth_dev_set_tx_queue_stats_mapping() failed: error %d\n", ret);
 628                         }
 629                 }
 630         }
 631 }
 632
 633 void init_port_all(void)
 634 {
 635         uint8_t max_port_idx = prox_last_port_active() + 1;
 636
 637         for (uint8_t portid = 0; portid < max_port_idx; ++portid) {
 638                 if (!prox_port_cfg[portid].active) {
 639                         continue;
 640                 }
 641                 init_port(&prox_port_cfg[portid]);
 642         }
 643 }
 644
 645 void close_ports_atexit(void)
 646 {
 647         uint8_t max_port_idx = prox_last_port_active() + 1;
 648
 649         for (uint8_t portid = 0; portid < max_port_idx; ++portid) {
 650                 if (!prox_port_cfg[portid].active) {
 651                         continue;
 652                 }
 653                 rte_eth_dev_close(portid);
 654         }
 655 }
 656
 657 void init_port_addr(void)
 658 {
 659         struct prox_port_cfg *port_cfg;
 660
 661         for (uint8_t port_id = 0; port_id < PROX_MAX_PORTS; ++port_id) {
 662                 if (!prox_port_cfg[port_id].active) {
 663                         continue;
 664                 }
 665                 port_cfg = &prox_port_cfg[port_id];
 666
 667                 switch (port_cfg->type) {
 668                 case PROX_PORT_MAC_HW:
 669                         rte_eth_macaddr_get(port_id, &port_cfg->eth_addr);
 670                         break;
 671                 case PROX_PORT_MAC_RAND:
 672                         eth_random_addr(port_cfg->eth_addr.addr_bytes);
 673                         break;
 674                 case PROX_PORT_MAC_SET:
 675                         break;
 676                 }
 677         }
 678 }
 679
 680 int port_is_active(uint8_t port_id)
 681 {
 682         if (port_id > PROX_MAX_PORTS) {
 683                 plog_info("requested port is higher than highest supported port ID (%u)\n", PROX_MAX_PORTS);
 684                 return 0;
 685         }
 686
 687         struct prox_port_cfg* port_cfg = &prox_port_cfg[port_id];
 688         if (!port_cfg->active) {
 689                 plog_info("Port %u is not active\n", port_id);
 690                 return 0;
 691         }
 692         return 1;
 693 }