- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
/* Array storing port_id that is associated with each lcore */
static uint8_t port_ids[RTE_MAX_LCORE];
/* Array storing port_id that is associated with each lcore */
static uint8_t port_ids[RTE_MAX_LCORE];
- /* Create new tap interface */
- rte_snprintf(tap_name, IFNAMSIZ, "tap_dpdk_%.2u", lcore_id);
- tap_fd = tap_create(tap_name);
- if (tap_fd < 0)
- FATAL_ERROR("Could not create tap interface \"%s\" (%d)",
- tap_name, tap_fd);
+ if ((1ULL << lcore_id) & input_cores_mask) {
+ /* Create new tap interface */
+ snprintf(tap_name, IFNAMSIZ, "tap_dpdk_%.2u", lcore_id);
+ tap_fd = tap_create(tap_name);
+ if (tap_fd < 0)
+ FATAL_ERROR("Could not create tap interface \"%s\" (%d)",
+ tap_name, tap_fd);
PRINT_INFO("Lcore %u is reading from port %u and writing to %s",
lcore_id, (unsigned)port_ids[lcore_id], tap_name);
fflush(stdout);
PRINT_INFO("Lcore %u is reading from port %u and writing to %s",
lcore_id, (unsigned)port_ids[lcore_id], tap_name);
fflush(stdout);
- else if ((1 << lcore_id) & output_cores_mask) {
+ else if ((1ULL << lcore_id) & output_cores_mask) {
+ /* Create new tap interface */
+ snprintf(tap_name, IFNAMSIZ, "tap_dpdk_%.2u", lcore_id);
+ tap_fd = tap_create(tap_name);
+ if (tap_fd < 0)
+ FATAL_ERROR("Could not create tap interface \"%s\" (%d)",
+ tap_name, tap_fd);
+
PRINT_INFO("Lcore %u is reading from %s and writing to port %u",
lcore_id, tap_name, (unsigned)port_ids[lcore_id]);
fflush(stdout);
PRINT_INFO("Lcore %u is reading from %s and writing to port %u",
lcore_id, tap_name, (unsigned)port_ids[lcore_id]);
fflush(stdout);
lcore_stats[lcore_id].rx++;
if (unlikely(ret < 0)) {
FATAL_ERROR("Reading from %s interface failed",
tap_name);
}
lcore_stats[lcore_id].rx++;
if (unlikely(ret < 0)) {
FATAL_ERROR("Reading from %s interface failed",
tap_name);
}
ret = rte_eth_tx_burst(port_ids[lcore_id], 0, &m, 1);
if (unlikely(ret < 1)) {
rte_pktmbuf_free(m);
ret = rte_eth_tx_burst(port_ids[lcore_id], 0, &m, 1);
if (unlikely(ret < 1)) {
rte_pktmbuf_free(m);
}
/* Record affinities between ports and lcores in global port_ids[] array */
static void
setup_port_lcore_affinities(void)
{
}
/* Record affinities between ports and lcores in global port_ids[] array */
static void
setup_port_lcore_affinities(void)
{