/*-
* BSD LICENSE
- *
- * Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
+ *
+ * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* All rights reserved.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
- *
+ *
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
- *
+ *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
#include <rte_memory.h>
#include <rte_memcpy.h>
#include <rte_memzone.h>
-#include <rte_tailq.h>
#include <rte_eal.h>
#include <rte_per_lcore.h>
#include <rte_launch.h>
/* Max size of a single packet */
#define MAX_PACKET_SZ 2048
-/* Number of bytes needed for each mbuf */
-#define MBUF_SZ \
- (MAX_PACKET_SZ + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
+/* Size of the data buffer in each mbuf */
+#define MBUF_DATA_SZ (MAX_PACKET_SZ + RTE_PKTMBUF_HEADROOM)
/* Number of mbufs in mempool that is created */
#define NB_MBUF (8192 * 16)
static struct kni_port_params *kni_port_params_array[RTE_MAX_ETHPORTS];
-/* RX and TX Prefetch, Host, and Write-back threshold values should be
- * carefully set for optimal performance. Consult the network
- * controller's datasheet and supporting DPDK documentation for guidance
- * on how these parameters should be set.
- */
-/* RX ring configuration */
-static const struct rte_eth_rxconf rx_conf = {
- .rx_thresh = {
- .pthresh = 8, /* Ring prefetch threshold */
- .hthresh = 8, /* Ring host threshold */
- .wthresh = 4, /* Ring writeback threshold */
- },
- .rx_free_thresh = 0, /* Immediately free RX descriptors */
-};
-
-/*
- * These default values are optimized for use with the Intel(R) 82599 10 GbE
- * Controller and the DPDK ixgbe PMD. Consider using other values for other
- * network controllers and/or network drivers.
- */
-/* TX ring configuration */
-static const struct rte_eth_txconf tx_conf = {
- .tx_thresh = {
- .pthresh = 36, /* Ring prefetch threshold */
- .hthresh = 0, /* Ring host threshold */
- .wthresh = 0, /* Ring writeback threshold */
- },
- .tx_free_thresh = 0, /* Use PMD default values */
- .tx_rs_thresh = 0, /* Use PMD default values */
-};
/* Options for configuring ethernet port */
static struct rte_eth_conf port_conf = {
return;
}
- /* When we receive a RTMIN signal, stop kni processing */
- if (signum == SIGRTMIN) {
+ /* When we receive a RTMIN or SIGINT signal, stop kni processing */
+ if (signum == SIGRTMIN || signum == SIGINT){
printf("SIGRTMIN is received, and the KNI processing is "
"going to stop\n");
rte_atomic32_inc(&kni_stop);
printf("Invalid config parameters\n");
goto fail;
}
- rte_snprintf(s, sizeof(s), "%.*s", size, p);
+ snprintf(s, sizeof(s), "%.*s", size, p);
nb_token = rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',');
if (nb_token <= FLD_LCORE_TX) {
printf("Invalid config parameters\n");
printf("Port %d has been configured\n", port_id);
goto fail;
}
- kni_port_params_array[port_id] =
- (struct kni_port_params*)rte_zmalloc("KNI_port_params",
- sizeof(struct kni_port_params), CACHE_LINE_SIZE);
+ kni_port_params_array[port_id] =
+ rte_zmalloc("KNI_port_params",
+ sizeof(struct kni_port_params), RTE_CACHE_LINE_SIZE);
kni_port_params_array[port_id]->port_id = port_id;
kni_port_params_array[port_id]->lcore_rx =
(uint8_t)int_fld[i++];
"port %d transmitting not enabled\n",
kni_port_params_array[i]->lcore_tx,
kni_port_params_array[i]->port_id);
-
+
}
return 0;
return ret;
}
+/* Initialize KNI subsystem */
+static void
+init_kni(void)
+{
+ unsigned int num_of_kni_ports = 0, i;
+ struct kni_port_params **params = kni_port_params_array;
+
+ /* Calculate the maximum number of KNI interfaces that will be used */
+ for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
+ if (kni_port_params_array[i]) {
+ num_of_kni_ports += (params[i]->nb_lcore_k ?
+ params[i]->nb_lcore_k : 1);
+ }
+ }
+
+ /* Invoke rte KNI init to preallocate the ports */
+ rte_kni_init(num_of_kni_ports);
+}
+
/* Initialise a single port on an Ethernet device */
static void
init_port(uint8_t port)
(unsigned)port, ret);
ret = rte_eth_rx_queue_setup(port, 0, NB_RXD,
- rte_eth_dev_socket_id(port), &rx_conf, pktmbuf_pool);
+ rte_eth_dev_socket_id(port), NULL, pktmbuf_pool);
if (ret < 0)
rte_exit(EXIT_FAILURE, "Could not setup up RX queue for "
"port%u (%d)\n", (unsigned)port, ret);
ret = rte_eth_tx_queue_setup(port, 0, NB_TXD,
- rte_eth_dev_socket_id(port), &tx_conf);
+ rte_eth_dev_socket_id(port), NULL);
if (ret < 0)
rte_exit(EXIT_FAILURE, "Could not setup up TX queue for "
"port%u (%d)\n", (unsigned)port, ret);
/* Set new MTU */
if (new_mtu > ETHER_MAX_LEN)
conf.rxmode.jumbo_frame = 1;
- else
+ else
conf.rxmode.jumbo_frame = 0;
/* mtu + length of header + length of FCS = max pkt length */
/* Clear conf at first */
memset(&conf, 0, sizeof(conf));
if (params[port_id]->nb_lcore_k) {
- rte_snprintf(conf.name, RTE_KNI_NAMESIZE,
+ snprintf(conf.name, RTE_KNI_NAMESIZE,
"vEth%u_%u", port_id, i);
conf.core_id = params[port_id]->lcore_k[i];
conf.force_bind = 1;
} else
- rte_snprintf(conf.name, RTE_KNI_NAMESIZE,
+ snprintf(conf.name, RTE_KNI_NAMESIZE,
"vEth%u", port_id);
conf.group_id = (uint16_t)port_id;
conf.mbuf_size = MAX_PACKET_SZ;
signal(SIGUSR1, signal_handler);
signal(SIGUSR2, signal_handler);
signal(SIGRTMIN, signal_handler);
+ signal(SIGINT, signal_handler);
/* Initialise EAL */
ret = rte_eal_init(argc, argv);
rte_exit(EXIT_FAILURE, "Could not parse input parameters\n");
/* Create the mbuf pool */
- pktmbuf_pool = rte_mempool_create("mbuf_pool", NB_MBUF, MBUF_SZ,
- MEMPOOL_CACHE_SZ,
- sizeof(struct rte_pktmbuf_pool_private),
- rte_pktmbuf_pool_init, NULL, rte_pktmbuf_init, NULL,
- rte_socket_id(), 0);
+ pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF,
+ MEMPOOL_CACHE_SZ, 0, MBUF_DATA_SZ, rte_socket_id());
if (pktmbuf_pool == NULL) {
rte_exit(EXIT_FAILURE, "Could not initialise mbuf pool\n");
return -1;
}
- /* Initialise PMD driver(s) */
- ret = rte_pmd_init_all();
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "Could not initialise PMD (%d)\n", ret);
-
- /* Scan PCI bus for recognised devices */
- ret = rte_eal_pci_probe();
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "Could not probe PCI (%d)\n", ret);
-
/* Get number of ports found in scan */
nb_sys_ports = rte_eth_dev_count();
if (nb_sys_ports == 0)
- rte_exit(EXIT_FAILURE, "No supported Ethernet devices found - "
- "check that CONFIG_RTE_LIBRTE_IGB_PMD=y and/or "
- "CONFIG_RTE_LIBRTE_IXGBE_PMD=y in the config file\n");
+ rte_exit(EXIT_FAILURE, "No supported Ethernet device found\n");
/* Check if the configured port ID is valid */
for (i = 0; i < RTE_MAX_ETHPORTS; i++)
rte_exit(EXIT_FAILURE, "Configured invalid "
"port ID %u\n", i);
+ /* Initialize KNI subsystem */
+ init_kni();
+
/* Initialise each port */
for (port = 0; port < nb_sys_ports; port++) {
/* Skip ports that are not enabled */
continue;
kni_free_kni(port);
}
+#ifdef RTE_LIBRTE_XEN_DOM0
+ rte_kni_close();
+#endif
for (i = 0; i < RTE_MAX_ETHPORTS; i++)
if (kni_port_params_array[i]) {
rte_free(kni_port_params_array[i]);
git.droids-corp.org / dpdk.git / blobdiff