--- /dev/null
+/*-
+ * 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 <stdint.h>
+#include <string.h>
+
+#include <rte_mbuf.h>
+#include <rte_mempool.h>
+#include <rte_malloc.h>
+
+#include "rte_port_source_sink.h"
+
+/*
+ * Port SOURCE
+ */
+struct rte_port_source {
+ struct rte_mempool *mempool;
+};
+
+static void *
+rte_port_source_create(void *params, int socket_id)
+{
+ struct rte_port_source_params *p =
+ (struct rte_port_source_params *) params;
+ struct rte_port_source *port;
+
+ /* Check input arguments*/
+ if ((p == NULL) || (p->mempool == NULL)) {
+ RTE_LOG(ERR, PORT, "%s: Invalid params\n", __func__);
+ return NULL;
+ }
+
+ /* Memory allocation */
+ port = rte_zmalloc_socket("PORT", sizeof(*port),
+ CACHE_LINE_SIZE, socket_id);
+ if (port == NULL) {
+ RTE_LOG(ERR, PORT, "%s: Failed to allocate port\n", __func__);
+ return NULL;
+ }
+
+ /* Initialization */
+ port->mempool = (struct rte_mempool *) p->mempool;
+
+ return port;
+}
+
+static int
+rte_port_source_free(void *port)
+{
+ /* Check input parameters */
+ if (port == NULL)
+ return 0;
+
+ rte_free(port);
+
+ return 0;
+}
+
+static int
+rte_port_source_rx(void *port, struct rte_mbuf **pkts, uint32_t n_pkts)
+{
+ struct rte_port_source *p = (struct rte_port_source *) port;
+
+ if (rte_mempool_get_bulk(p->mempool, (void **) pkts, n_pkts) != 0)
+ return 0;
+
+ return n_pkts;
+}
+
+/*
+ * Port SINK
+ */
+static void *
+rte_port_sink_create(__rte_unused void *params, __rte_unused int socket_id)
+{
+ return (void *) 1;
+}
+
+static int
+rte_port_sink_tx(__rte_unused void *port, struct rte_mbuf *pkt)
+{
+ rte_pktmbuf_free(pkt);
+
+ return 0;
+}
+
+static int
+rte_port_sink_tx_bulk(__rte_unused void *port, struct rte_mbuf **pkts,
+ uint64_t pkts_mask)
+{
+ if ((pkts_mask & (pkts_mask + 1)) == 0) {
+ uint64_t n_pkts = __builtin_popcountll(pkts_mask);
+ uint32_t i;
+
+ for (i = 0; i < n_pkts; i++) {
+ struct rte_mbuf *pkt = pkts[i];
+
+ rte_pktmbuf_free(pkt);
+ }
+ } else {
+ for ( ; pkts_mask; ) {
+ uint32_t pkt_index = __builtin_ctzll(pkts_mask);
+ uint64_t pkt_mask = 1LLU << pkt_index;
+ struct rte_mbuf *pkt = pkts[pkt_index];
+
+ rte_pktmbuf_free(pkt);
+ pkts_mask &= ~pkt_mask;
+ }
+ }
+
+ return 0;
+}
+
+/*
+ * Summary of port operations
+ */
+struct rte_port_in_ops rte_port_source_ops = {
+ .f_create = rte_port_source_create,
+ .f_free = rte_port_source_free,
+ .f_rx = rte_port_source_rx,
+};
+
+struct rte_port_out_ops rte_port_sink_ops = {
+ .f_create = rte_port_sink_create,
+ .f_free = NULL,
+ .f_tx = rte_port_sink_tx,
+ .f_tx_bulk = rte_port_sink_tx_bulk,
+ .f_flush = NULL,
+};
--- /dev/null
+/*-
+ * 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.
+ */
+
+#ifndef __INCLUDE_RTE_PORT_SOURCE_SINK_H__
+#define __INCLUDE_RTE_PORT_SOURCE_SINK_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @file
+ * RTE Port Source/Sink
+ *
+ * source: input port that can be used to generate packets
+ * sink: output port that drops all packets written to it
+ *
+ ***/
+
+#include "rte_port.h"
+
+/** source port parameters */
+struct rte_port_source_params {
+ /** Pre-initialized buffer pool */
+ struct rte_mempool *mempool;
+};
+
+/** source port operations */
+extern struct rte_port_in_ops rte_port_source_ops;
+
+/** sink port parameters: NONE */
+
+/** sink port operations */
+extern struct rte_port_out_ops rte_port_sink_ops;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
git.droids-corp.org / dpdk.git / commitdiff