Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 187 insertions, 0 deletions

diff --git a/src/seastar/dpdk/test/test-pipeline/runtime.c b/src/seastar/dpdk/test/test-pipeline/runtime.c
new file mode 100644
index 00000000..8970e1c3
--- /dev/null
+++ b/src/seastar/dpdk/test/test-pipeline/runtime.c
@@ -0,0 +1,187 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   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
+ *       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
+ *       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
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <sys/types.h>
+#include <string.h>
+#include <sys/queue.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <getopt.h>
+
+#include <rte_common.h>
+#include <rte_byteorder.h>
+#include <rte_log.h>
+#include <rte_memory.h>
+#include <rte_memcpy.h>
+#include <rte_memzone.h>
+#include <rte_eal.h>
+#include <rte_per_lcore.h>
+#include <rte_launch.h>
+#include <rte_atomic.h>
+#include <rte_cycles.h>
+#include <rte_prefetch.h>
+#include <rte_lcore.h>
+#include <rte_per_lcore.h>
+#include <rte_branch_prediction.h>
+#include <rte_interrupts.h>
+#include <rte_pci.h>
+#include <rte_random.h>
+#include <rte_debug.h>
+#include <rte_ether.h>
+#include <rte_ethdev.h>
+#include <rte_ring.h>
+#include <rte_mempool.h>
+#include <rte_mbuf.h>
+#include <rte_ip.h>
+#include <rte_tcp.h>
+#include <rte_lpm.h>
+#include <rte_lpm6.h>
+#include <rte_malloc.h>
+
+#include "main.h"
+
+void
+app_main_loop_rx(void) {
+	uint32_t i;
+	int ret;
+
+	RTE_LOG(INFO, USER1, "Core %u is doing RX\n", rte_lcore_id());
+
+	for (i = 0; ; i = ((i + 1) & (app.n_ports - 1))) {
+		uint16_t n_mbufs;
+
+		n_mbufs = rte_eth_rx_burst(
+			app.ports[i],
+			0,
+			app.mbuf_rx.array,
+			app.burst_size_rx_read);
+
+		if (n_mbufs == 0)
+			continue;
+
+		do {
+			ret = rte_ring_sp_enqueue_bulk(
+				app.rings_rx[i],
+				(void **) app.mbuf_rx.array,
+				n_mbufs, NULL);
+		} while (ret == 0);
+	}
+}
+
+void
+app_main_loop_worker(void) {
+	struct app_mbuf_array *worker_mbuf;
+	uint32_t i;
+
+	RTE_LOG(INFO, USER1, "Core %u is doing work (no pipeline)\n",
+		rte_lcore_id());
+
+	worker_mbuf = rte_malloc_socket(NULL, sizeof(struct app_mbuf_array),
+			RTE_CACHE_LINE_SIZE, rte_socket_id());
+	if (worker_mbuf == NULL)
+		rte_panic("Worker thread: cannot allocate buffer space\n");
+
+	for (i = 0; ; i = ((i + 1) & (app.n_ports - 1))) {
+		int ret;
+
+		ret = rte_ring_sc_dequeue_bulk(
+			app.rings_rx[i],
+			(void **) worker_mbuf->array,
+			app.burst_size_worker_read,
+			NULL);
+
+		if (ret == 0)
+			continue;
+
+		do {
+			ret = rte_ring_sp_enqueue_bulk(
+				app.rings_tx[i ^ 1],
+				(void **) worker_mbuf->array,
+				app.burst_size_worker_write,
+				NULL);
+		} while (ret == 0);
+	}
+}
+
+void
+app_main_loop_tx(void) {
+	uint32_t i;
+
+	RTE_LOG(INFO, USER1, "Core %u is doing TX\n", rte_lcore_id());
+
+	for (i = 0; ; i = ((i + 1) & (app.n_ports - 1))) {
+		uint16_t n_mbufs, n_pkts;
+		int ret;
+
+		n_mbufs = app.mbuf_tx[i].n_mbufs;
+
+		ret = rte_ring_sc_dequeue_bulk(
+			app.rings_tx[i],
+			(void **) &app.mbuf_tx[i].array[n_mbufs],
+			app.burst_size_tx_read,
+			NULL);
+
+		if (ret == 0)
+			continue;
+
+		n_mbufs += app.burst_size_tx_read;
+
+		if (n_mbufs < app.burst_size_tx_write) {
+			app.mbuf_tx[i].n_mbufs = n_mbufs;
+			continue;
+		}
+
+		n_pkts = rte_eth_tx_burst(
+			app.ports[i],
+			0,
+			app.mbuf_tx[i].array,
+			n_mbufs);
+
+		if (n_pkts < n_mbufs) {
+			uint16_t k;
+
+			for (k = n_pkts; k < n_mbufs; k++) {
+				struct rte_mbuf *pkt_to_free;
+
+				pkt_to_free = app.mbuf_tx[i].array[k];
+				rte_pktmbuf_free(pkt_to_free);
+			}
+		}
+
+		app.mbuf_tx[i].n_mbufs = 0;
+	}
+}