/*-
* 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
+ * 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
+ * * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
* distribution.
- * * Neither the name of 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
* from this software without specific prior written permission.
*
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
*/
#include <stdio.h>
static unsigned enabled_port_mask = 0;
static int promiscuous_on = 1; /**< Ports set in promiscuous mode on by default. */
+/* list of enabled ports */
+static uint32_t dst_ports[RTE_MAX_ETHPORTS];
+
struct mbuf_table {
uint16_t len;
struct rte_mbuf *m_table[MAX_PKT_BURST];
qconf->tx_mbufs[port].len = len;
}
-static inline uint8_t
-get_output_port(uint8_t input_port)
-{
- RTE_BUILD_BUG_ON((RTE_MAX_ETHPORTS & 1) != 0);
- return (uint8_t)(input_port ^ 1);
-}
-
/* main processing loop */
static __attribute__((noreturn)) int
main_loop(__attribute__((unused)) void *dummy)
}
}
- port = get_output_port(pkt->pkt.in_port);
+ port = dst_ports[pkt->pkt.in_port];
/* Transmit the packet */
- nic_tx_send_packet(pkt, port);
+ nic_tx_send_packet(pkt, (uint8_t)port);
}
}
uint16_t queueid;
unsigned lcoreid;
uint32_t nb_tx_queue;
- uint8_t portid, nb_rx_queue, queue, socketid;
+ uint8_t portid, nb_rx_queue, queue, socketid, last_port;
+ unsigned nb_ports_in_mask = 0;
/* init EAL */
ret = rte_eal_init(argc, argv);
if (check_port_config(nb_ports) < 0)
rte_panic("check_port_config failed\n");
+ /* reset dst_ports */
+ for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
+ dst_ports[portid] = 0;
+ last_port = 0;
+
+ /*
+ * Each logical core is assigned a dedicated TX queue on each port.
+ */
+ for (portid = 0; portid < nb_ports; portid++) {
+ /* skip ports that are not enabled */
+ if ((enabled_port_mask & (1 << portid)) == 0)
+ continue;
+
+ if (nb_ports_in_mask % 2) {
+ dst_ports[portid] = last_port;
+ dst_ports[last_port] = portid;
+ }
+ else
+ last_port = portid;
+
+ nb_ports_in_mask++;
+ }
+ if (nb_ports_in_mask % 2) {
+ printf("Notice: odd number of ports in portmask.\n");
+ dst_ports[last_port] = last_port;
+ }
+
/* initialize all ports */
for (portid = 0; portid < nb_ports; portid++) {
/* skip ports that are not enabled */