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-rw-r--r--examples/exception_path/Makefile78
-rw-r--r--examples/exception_path/main.c67
-rw-r--r--examples/exception_path/meson.build11
3 files changed, 77 insertions, 79 deletions
diff --git a/examples/exception_path/Makefile b/examples/exception_path/Makefile
index d16f74f6..ae74781e 100644
--- a/examples/exception_path/Makefile
+++ b/examples/exception_path/Makefile
@@ -1,33 +1,43 @@
-# 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.
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2010-2014 Intel Corporation
+
+# binary name
+APP = exception_path
+
+# all source are stored in SRCS-y
+SRCS-y := main.c
+
+# Build using pkg-config variables if possible
+$(shell pkg-config --exists libdpdk)
+ifeq ($(.SHELLSTATUS),0)
+
+all: shared
+.PHONY: shared static
+shared: build/$(APP)-shared
+ ln -sf $(APP)-shared build/$(APP)
+static: build/$(APP)-static
+ ln -sf $(APP)-static build/$(APP)
+
+PC_FILE := $(shell pkg-config --path libdpdk)
+CFLAGS += -O3 $(shell pkg-config --cflags libdpdk)
+LDFLAGS_SHARED = $(shell pkg-config --libs libdpdk)
+LDFLAGS_STATIC = -Wl,-Bstatic $(shell pkg-config --static --libs libdpdk)
+
+build/$(APP)-shared: $(SRCS-y) Makefile $(PC_FILE) | build
+ $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED)
+
+build/$(APP)-static: $(SRCS-y) Makefile $(PC_FILE) | build
+ $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_STATIC)
+
+build:
+ @mkdir -p $@
+
+.PHONY: clean
+clean:
+ rm -f build/$(APP) build/$(APP)-static build/$(APP)-shared
+ rmdir --ignore-fail-on-non-empty build
+
+else
ifeq ($(RTE_SDK),)
$(error "Please define RTE_SDK environment variable")
@@ -38,13 +48,9 @@ RTE_TARGET ?= x86_64-native-linuxapp-gcc
include $(RTE_SDK)/mk/rte.vars.mk
-# binary name
-APP = exception_path
-
-# all source are stored in SRCS-y
-SRCS-y := main.c
-
CFLAGS += -O3
CFLAGS += $(WERROR_FLAGS)
include $(RTE_SDK)/mk/rte.extapp.mk
+
+endif
diff --git a/examples/exception_path/main.c b/examples/exception_path/main.c
index f8f5bbdf..3e5b1e71 100644
--- a/examples/exception_path/main.c
+++ b/examples/exception_path/main.c
@@ -1,34 +1,5 @@
-/*-
- * 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
*/
#include <stdio.h>
@@ -94,10 +65,10 @@
#define MEMPOOL_CACHE_SZ PKT_BURST_SZ
/* Number of RX ring descriptors */
-#define NB_RXD 128
+#define NB_RXD 1024
/* Number of TX ring descriptors */
-#define NB_TXD 512
+#define NB_TXD 1024
/*
* RX and TX Prefetch, Host, and Write-back threshold values should be
@@ -107,13 +78,10 @@
*/
/* Options for configuring ethernet port */
-static const struct rte_eth_conf port_conf = {
+static struct rte_eth_conf port_conf = {
.rxmode = {
- .header_split = 0, /* Header Split disabled */
- .hw_ip_checksum = 0, /* IP checksum offload disabled */
- .hw_vlan_filter = 0, /* VLAN filtering disabled */
- .jumbo_frame = 0, /* Jumbo Frame Support disabled */
- .hw_strip_crc = 1, /* CRC stripped by hardware */
+ .ignore_offload_bitfield = 1,
+ .offloads = DEV_RX_OFFLOAD_CRC_STRIP,
},
.txmode = {
.mq_mode = ETH_MQ_TX_NONE,
@@ -140,7 +108,7 @@ struct stats {
uint64_t rx;
uint64_t tx;
uint64_t dropped;
-};
+} __rte_cache_aligned;
/* Array of lcore-specific stats */
static struct stats lcore_stats[RTE_MAX_LCORE];
@@ -447,11 +415,19 @@ init_port(uint16_t port)
int ret;
uint16_t nb_rxd = NB_RXD;
uint16_t nb_txd = NB_TXD;
+ struct rte_eth_dev_info dev_info;
+ struct rte_eth_rxconf rxq_conf;
+ struct rte_eth_txconf txq_conf;
+ struct rte_eth_conf local_port_conf = port_conf;
/* Initialise device and RX/TX queues */
PRINT_INFO("Initialising port %u ...", port);
fflush(stdout);
- ret = rte_eth_dev_configure(port, 1, 1, &port_conf);
+ rte_eth_dev_info_get(port, &dev_info);
+ if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
+ local_port_conf.txmode.offloads |=
+ DEV_TX_OFFLOAD_MBUF_FAST_FREE;
+ ret = rte_eth_dev_configure(port, 1, 1, &local_port_conf);
if (ret < 0)
FATAL_ERROR("Could not configure port%u (%d)", port, ret);
@@ -460,17 +436,22 @@ init_port(uint16_t port)
FATAL_ERROR("Could not adjust number of descriptors for port%u (%d)",
port, ret);
+ rxq_conf = dev_info.default_rxconf;
+ rxq_conf.offloads = local_port_conf.rxmode.offloads;
ret = rte_eth_rx_queue_setup(port, 0, nb_rxd,
rte_eth_dev_socket_id(port),
- NULL,
+ &rxq_conf,
pktmbuf_pool);
if (ret < 0)
FATAL_ERROR("Could not setup up RX queue for port%u (%d)",
port, ret);
+ txq_conf = dev_info.default_txconf;
+ txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
+ txq_conf.offloads = local_port_conf.txmode.offloads;
ret = rte_eth_tx_queue_setup(port, 0, nb_txd,
rte_eth_dev_socket_id(port),
- NULL);
+ &txq_conf);
if (ret < 0)
FATAL_ERROR("Could not setup up TX queue for port%u (%d)",
port, ret);
diff --git a/examples/exception_path/meson.build b/examples/exception_path/meson.build
new file mode 100644
index 00000000..c34e11e3
--- /dev/null
+++ b/examples/exception_path/meson.build
@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2017 Intel Corporation
+
+# meson file, for building this example as part of a main DPDK build.
+#
+# To build this example as a standalone application with an already-installed
+# DPDK instance, use 'make'
+
+sources = files(
+ 'main.c'
+)