On 19 October 2015 at 18:08, Maxim Uvarov <[email protected]
<mailto:[email protected]>> wrote:
2 example ipc pktio applications create ipc pktio to each other and do
packet transfer, validation magic numbers and packets sequence
counters
inside it.
Signed-off-by: Maxim Uvarov <[email protected]
<mailto:[email protected]>>
---
platform/linux-generic/Makefile.am | 1 +
platform/linux-generic/m4/configure.m4 | 3 +-
platform/linux-generic/test/Makefile.am | 3 +-
platform/linux-generic/test/pktio_ipc/.gitignore | 1 +
platform/linux-generic/test/pktio_ipc/Makefile.am | 15 ++
platform/linux-generic/test/pktio_ipc/ipc_common.c | 150 ++++++++++++
platform/linux-generic/test/pktio_ipc/ipc_common.h | 71 ++++++
platform/linux-generic/test/pktio_ipc/pktio_ipc1.c | 268
+++++++++++++++++++++
platform/linux-generic/test/pktio_ipc/pktio_ipc2.c | 142 +++++++++++
.../linux-generic/test/pktio_ipc/pktio_ipc_run | 55 +++++
10 files changed, 707 insertions(+), 2 deletions(-)
create mode 100644 platform/linux-generic/test/pktio_ipc/.gitignore
create mode 100644 platform/linux-generic/test/pktio_ipc/Makefile.am
create mode 100644 platform/linux-generic/test/pktio_ipc/ipc_common.c
create mode 100644 platform/linux-generic/test/pktio_ipc/ipc_common.h
create mode 100644 platform/linux-generic/test/pktio_ipc/pktio_ipc1.c
create mode 100644 platform/linux-generic/test/pktio_ipc/pktio_ipc2.c
create mode 100755
platform/linux-generic/test/pktio_ipc/pktio_ipc_run
diff --git a/platform/linux-generic/Makefile.am
b/platform/linux-generic/Makefile.am
index 71353dd..6fe2f1a 100644
--- a/platform/linux-generic/Makefile.am
+++ b/platform/linux-generic/Makefile.am
@@ -5,6 +5,7 @@ include $(top_srcdir)/platform/Makefile.inc
AM_CFLAGS += -I$(srcdir)/include
AM_CFLAGS += -I$(top_srcdir)/include
+AM_CFLAGS += -I$(top_srcdir)/helper
AM_CFLAGS += -I$(top_srcdir)/helper/include
include_HEADERS = \
diff --git a/platform/linux-generic/m4/configure.m4
b/platform/linux-generic/m4/configure.m4
index 9658274..3a2d743 100644
--- a/platform/linux-generic/m4/configure.m4
+++ b/platform/linux-generic/m4/configure.m4
@@ -21,4 +21,5 @@
m4_include([platform/linux-generic/m4/odp_openssl.m4])
AC_CONFIG_FILES([platform/linux-generic/Makefile
platform/linux-generic/test/Makefile
- platform/linux-generic/test/pktio/Makefile])
+ platform/linux-generic/test/pktio/Makefile
+ platform/linux-generic/test/pktio_ipc/Makefile])
diff --git a/platform/linux-generic/test/Makefile.am
b/platform/linux-generic/test/Makefile.am
index 7d1ce1b..db98d28 100644
--- a/platform/linux-generic/test/Makefile.am
+++ b/platform/linux-generic/test/Makefile.am
@@ -1,10 +1,11 @@
include $(top_srcdir)/test/Makefile.inc
TESTS_ENVIRONMENT += TEST_DIR=${top_builddir}/test/validation
-ODP_MODULES = pktio
+ODP_MODULES = pktio pktio_ipc
if test_vald
TESTS = pktio/pktio_run \
+ pktio_ipc/pktio_ipc_run \
${top_builddir}/test/validation/buffer/buffer_main$(EXEEXT) \
${top_builddir}/test/validation/classification/classification_main$(EXEEXT)
\
${top_builddir}/test/validation/cpumask/cpumask_main$(EXEEXT) \
diff --git a/platform/linux-generic/test/pktio_ipc/.gitignore
b/platform/linux-generic/test/pktio_ipc/.gitignore
new file mode 100644
index 0000000..d2a7ce2
--- /dev/null
+++ b/platform/linux-generic/test/pktio_ipc/.gitignore
@@ -0,0 +1 @@
+pktio_ipc
diff --git a/platform/linux-generic/test/pktio_ipc/Makefile.am
b/platform/linux-generic/test/pktio_ipc/Makefile.am
new file mode 100644
index 0000000..adf6294
--- /dev/null
+++ b/platform/linux-generic/test/pktio_ipc/Makefile.am
@@ -0,0 +1,15 @@
+include $(top_srcdir)/test/Makefile.inc
+TESTS_ENVIRONMENT += TEST_DIR=${top_builddir}/test/validation
+
+bin_PROGRAMS = pktio_ipc1\
+ pktio_ipc2
+
+pktio_ipc1_CFLAGS = $(AM_CFLAGS) -I${top_srcdir}/example
+pktio_ipc1_LDFLAGS = $(AM_LDFLAGS) -static
+pktio_ipc2_CFLAGS = $(AM_CFLAGS) -I${top_srcdir}/example
+pktio_ipc2_LDFLAGS = $(AM_LDFLAGS) -static
+
+noinst_HEADERS = $(top_srcdir)/test/test_debug.h
+
+dist_pktio_ipc1_SOURCES = pktio_ipc1.c ipc_common.c
+dist_pktio_ipc2_SOURCES = pktio_ipc2.c ipc_common.c
diff --git a/platform/linux-generic/test/pktio_ipc/ipc_common.c
b/platform/linux-generic/test/pktio_ipc/ipc_common.c
new file mode 100644
index 0000000..7a84b07
--- /dev/null
+++ b/platform/linux-generic/test/pktio_ipc/ipc_common.c
@@ -0,0 +1,150 @@
+/* Copyright (c) 2015, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include "ipc_common.h"
+
+/** Application argument */
+char *pktio_name;
+
+/** Run time in seconds */
+int run_time_sec;
+
+int ipc_odp_packet_sendall(odp_pktio_t pktio,
+ odp_packet_t pkt_tbl[], int num)
+{
+ int ret;
+ int sent = 0;
+ uint64_t start_cycle;
+ uint64_t diff;
+
+ start_cycle = odp_time_cycles();
+
+ while (sent != num) {
+ ret = odp_pktio_send(pktio, &pkt_tbl[sent], num -
sent);
+ if (ret < 0)
+ return -1;
+
+ sent += ret;
+
+ diff = odp_time_diff_cycles(start_cycle,
odp_time_cycles());
+ if (odp_time_ns_to_cycles(3 * ODP_TIME_SEC) < diff)
+ return -1;
+ }
+
+ return 0;
+}
+
+/**
+ * Create a pktio handle.
+ *
+ * @param dev Name of device to open
+ * @param pool Pool to associate with device for packet RX/TX
+ *
+ * @return The handle of the created pktio object.
+ * @retval ODP_PKTIO_INVALID if the create fails.
+ */
+odp_pktio_t create_pktio(const char *dev EXAMPLE_UNUSED,
odp_pool_t pool)
+{
+ odp_pktio_param_t pktio_param;
+ odp_pktio_t ipc_pktio;
+
+ memset(&pktio_param, 0, sizeof(pktio_param));
+ pktio_param.in_mode = ODP_PKTIN_MODE_SCHED;
+
+ printf("pid: %d, create IPC pktio\n", getpid());
+ ipc_pktio = odp_pktio_open("ipc_pktio", pool, &pktio_param);
+ if (ipc_pktio == ODP_PKTIO_INVALID)
+ EXAMPLE_ABORT("Error: ipc pktio create failed.\n");
+ odp_pktio_start(ipc_pktio);
+ return ipc_pktio;
+}
+
+/**
+ * Parse and store the command line arguments
+ *
+ * @param argc argument count
+ * @param argv[] argument vector
+ * @param appl_args Store application arguments here
+ */
+void parse_args(int argc, char *argv[])
+{
+ int opt;
+ int long_index;
+ static struct option longopts[] = {
+ {"time", required_argument, NULL, 't'},
+ {"help", no_argument, NULL, 'h'}, /* return
'h' */
+ {NULL, 0, NULL, 0}
+ };
+
+ run_time_sec = 0; /* loop forever if time to run is 0 */
+
+ while (1) {
+ opt = getopt_long(argc, argv, "+t:h",
+ longopts, &long_index);
+
+ if (opt == -1)
+ break; /* No more options */
+
+ switch (opt) {
+ case 't':
+ run_time_sec = atoi(optarg);
+ break;
+ case 'h':
+ usage(argv[0]);
+ exit(EXIT_SUCCESS);
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ optind = 1; /* reset 'extern optind' from the
getopt lib */
+}
+
+/**
+ * Print system and application info
+ */
+void print_info(char *progname)
+{
+ printf("\n"
+ "ODP system info\n"
+ "---------------\n"
+ "ODP API version: %s\n"
+ "CPU model: %s\n"
+ "CPU freq (hz): %" PRIu64 "\n"
+ "Cache line size: %i\n"
+ "CPU count: %i\n"
+ "\n",
+ odp_version_api_str(), odp_sys_cpu_model_str(),
odp_sys_cpu_hz(),
+ odp_sys_cache_line_size(), odp_cpu_count());
+
+ printf("Running ODP appl: \"%s\"\n"
+ "-----------------\n"
+ "Using IF: %s\n",
+ progname, pktio_name);
+ printf("\n\n");
+ fflush(NULL);
+}
+
+/**
+ * Prinf usage information
+ */
+void usage(char *progname)
+{
+ printf("\n"
+ "Usage: %s OPTIONS\n"
+ " E.g. %s -t seconds\n"
+ "\n"
+ "OpenDataPlane linux-generic ipc test application.\n"
+ "\n"
+ "Optional OPTIONS\n"
+ " -h, --help Display help and exit.\n"
+ " -t, --time Time to run in seconds.\n"
+ "\n", NO_PATH(progname), NO_PATH(progname)
+ );
+}
+
diff --git a/platform/linux-generic/test/pktio_ipc/ipc_common.h
b/platform/linux-generic/test/pktio_ipc/ipc_common.h
new file mode 100644
index 0000000..e71a489
--- /dev/null
+++ b/platform/linux-generic/test/pktio_ipc/ipc_common.h
@@ -0,0 +1,71 @@
+/* Copyright (c) 2015, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#define _POSIX_C_SOURCE 200809L
+#include <stdlib.h>
+#include <string.h>
+#include <getopt.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <signal.h>
+#include <sys/wait.h>
+
+#include <example_debug.h>
+
+#include <odp.h>
+#include <odp/helper/linux.h>
+#include <odp/helper/eth.h>
+#include <odp/helper/ip.h>
+#include <odp/helper/udp.h>
+
+/** @def SHM_PKT_POOL_SIZE
+ * @brief Size of the shared memory block
+ */
+#define SHM_PKT_POOL_SIZE (512 * 2048)
+
+/** @def SHM_PKT_POOL_BUF_SIZE
+ * @brief Buffer size of the packet pool buffer
+ */
+#define SHM_PKT_POOL_BUF_SIZE 1856
+
+/** @def MAX_PKT_BURST
+ * @brief Maximum number of packet bursts
+ */
+#define MAX_PKT_BURST 16
+
+/** Get rid of path in filename - only for unix-type paths using
'/' */
+#define NO_PATH(file_name) (strrchr((file_name), '/') ? \
+ strrchr((file_name), '/') + 1 :
(file_name))
+
+#define TEST_SEQ_MAGIC 0x92749451
+#define TEST_SEQ_MAGIC_2 0x81638340
+
+#define TEST_ALLOC_MAGIC 0x1234adcd
+
+/** magic number and sequence at start of packet payload */
+typedef struct ODP_PACKED {
+ uint32be_t magic;
+ uint32be_t seq;
+} pkt_head_t;
+
+/** magic number at end of packet payload */
+typedef struct ODP_PACKED {
+ uint32be_t magic;
+} pkt_tail_t;
+
+/** Application argument */
+char *pktio_name;
+
+/** Run time in seconds */
+int run_time_sec;
+
+/* helper funcs */
+void parse_args(int argc, char *argv[]);
+void print_info(char *progname);
+void usage(char *progname);
+odp_pktio_t create_pktio(const char *dev, odp_pool_t pool);
+int ipc_odp_packet_sendall(odp_pktio_t pktio,
+ odp_packet_t pkt_tbl[], int num);
diff --git a/platform/linux-generic/test/pktio_ipc/pktio_ipc1.c
b/platform/linux-generic/test/pktio_ipc/pktio_ipc1.c
new file mode 100644
index 0000000..d2d6038
--- /dev/null
+++ b/platform/linux-generic/test/pktio_ipc/pktio_ipc1.c
@@ -0,0 +1,268 @@
+/* Copyright (c) 2015, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include "ipc_common.h"
+
+/**
+ * @file
+ * @example pktio_ipc1.c ODP IPC example application.
+ * This application works in pair with pktio_ipc2
application.
+ * It opens ipc pktio, allocates packets, sets magic
number and
+ * sends packets to ipc pktio. Then app reads packets
and checks
+ * that magic number was properly updated and there
is no packet
+ * loss (i.e. sequesce counter continiusly incrementing.)
+ */
+
+/**
+ * Packet IO loopback worker thread using bursts from/to IO resources
+ *
+ * @param arg thread arguments of type 'thread_args_t *'
+ */
+static int pktio_run_loop(odp_pool_t pool)
+{
+ int thr;
+ int pkts;
+ odp_pktio_t ipc_pktio;
+ odp_packet_t pkt_tbl[MAX_PKT_BURST];
+ uint64_t cnt = 0; /* increasing counter on each send packet */
+ uint64_t cnt_recv = 0; /* increasing counter to validate
+ cnt on receive */
+ uint64_t stat_pkts = 0;
+ uint64_t stat_pkts_alloc = 0;
+ uint64_t stat_pkts_prev = 0;
+ uint64_t stat_errors = 0;
+ uint64_t start_cycle;
+ uint64_t current_cycle;
+ uint64_t cycle;
+ uint64_t diff;
+ uint64_t onesec_cycles;
+
+ thr = odp_thread_id();
+
+ ipc_pktio = odp_pktio_lookup("ipc_pktio");
+ if (ipc_pktio == ODP_PKTIO_INVALID) {
+ EXAMPLE_ERR(" [%02i] Error: lookup of pktio %s
failed\n",
+ thr, "ipc_pktio");
+ return -2;
+ }
+ printf(" [%02i] looked up ipc_pktio:%02" PRIu64 ", burst
mode\n",
+ thr, odp_pktio_to_u64(ipc_pktio));
+
+ onesec_cycles = odp_time_ns_to_cycles(ODP_TIME_SEC);
+ start_cycle = odp_time_cycles();
+ current_cycle = start_cycle;
+
+ /* packets loop */
+ for (;;) {
+ int i;
+ int ret;
+
+ /* 1. exit loop if time specified */
+ cycle = odp_time_cycles();
+ if (run_time_sec) {
+ diff = odp_time_diff_cycles(start_cycle,
cycle);
+ if (odp_time_ns_to_cycles(run_time_sec *
+ ODP_TIME_SEC) < diff)
+ break;
+ }
+
+ /* 2. Receive packets back from ipc_pktio,
validate magic
+ * number sequence counter and free that packet
+ */
+ while (1) {
+ pkts = odp_pktio_recv(ipc_pktio, pkt_tbl,
+ MAX_PKT_BURST);
+ if (pkts <= 0)
+ break;
+
+ for (i = 0; i < pkts; i++) {
+ odp_packet_t pkt = pkt_tbl[i];
+ pkt_head_t head;
+ pkt_tail_t tail;
+ size_t off;
+
+ off = odp_packet_l4_offset(pkt);
+ if (off == ODP_PACKET_OFFSET_INVALID)
+ EXAMPLE_ABORT("invalid l4 offset\n");
+
+ off += ODPH_UDPHDR_LEN;
+ ret = odp_packet_copydata_out(pkt,
off,
+ sizeof(head),
+ &head);
+ if (ret) {
+ stat_errors++;
+ odp_packet_free(pkt);
+ EXAMPLE_DBG("error\n");
+ continue;
+ }
+
+ if (head.magic == TEST_ALLOC_MAGIC) {
+ stat_pkts_alloc++;
+ odp_packet_free(pkt);
+ continue;
+ }
+
+ if (head.magic != TEST_SEQ_MAGIC_2) {
+ stat_errors++;
+ odp_packet_free(pkt);
+ EXAMPLE_DBG("error\n");
+ continue;
+ }
+
+ off = odp_packet_len(pkt) -
sizeof(pkt_tail_t);
+ ret = odp_packet_copydata_out(pkt,
off,
+ sizeof(tail),
+ &tail);
+ if (ret) {
+ stat_errors++;
+ odp_packet_free(pkt);
+ continue;
+ }
+
+ if (tail.magic != TEST_SEQ_MAGIC) {
+ stat_errors++;
+ odp_packet_free(pkt);
+ continue;
+ }
+
+ cnt_recv++;
+
+ if (head.seq != cnt_recv) {
+ stat_errors++;
+ odp_packet_free(pkt);
+ EXAMPLE_DBG("head.seq %d - "
+ "cnt_recv %" PRIu64 ""
+ " = %" PRIu64
"\n",
+ head.seq, cnt_recv,
+ head.seq - cnt_recv);
+ cnt_recv = head.seq;
+ continue;
+ }
+
+ stat_pkts++;
+ odp_packet_free(pkt);
+ }
+ }
+
+ /* 3. emulate that pkts packets were received */
+ odp_random_data((uint8_t *)&pkts, sizeof(pkts), 0);
+ pkts = ((pkts & 0xffff) % MAX_PKT_BURST) + 1;
+
+ for (i = 0; i < pkts; i++) {
+ odp_packet_t pkt;
+
+ pkt = odp_packet_alloc(pool,
SHM_PKT_POOL_BUF_SIZE);
+ if (pkt == ODP_PACKET_INVALID) {
+ pkts = i;
+ EXAMPLE_DBG("unable to alloc
packet pkts %d\n",
+ pkts);
+ sleep(3);
+ break;
+ }
+ odp_packet_l4_offset_set(pkt, 30);
+
+ pkt_tbl[i] = pkt;
+ }
+ pkts = i;
+
+ /* 4. Copy counter and magic numbers to that
packets */
+ for (i = 0; i < pkts; i++) {
+ pkt_head_t head;
+ pkt_tail_t tail;
+ size_t off;
+ odp_packet_t pkt = pkt_tbl[i];
+
+ off = odp_packet_l4_offset(pkt);
+ if (off == ODP_PACKET_OFFSET_INVALID)
+ EXAMPLE_ABORT("packet L4 offset
not set");
+
+ head.magic = TEST_SEQ_MAGIC;
+ head.seq = cnt++;
+
+ off += ODPH_UDPHDR_LEN;
+ ret = odp_packet_copydata_in(pkt, off,
sizeof(head),
+ &head);
+ if (ret)
+ EXAMPLE_ABORT("unable to copy in
head data");
+
+ tail.magic = TEST_SEQ_MAGIC;
+ off = odp_packet_len(pkt) -
sizeof(pkt_tail_t);
+ ret = odp_packet_copydata_in(pkt, off,
sizeof(tail),
+ &tail);
+ if (ret)
+ EXAMPLE_ABORT("unable to copy in
tail data");
+ }
+
+ /* 5. Send packets to ipc_pktio */
+ ret = ipc_odp_packet_sendall(ipc_pktio, pkt_tbl,
pkts);
+ if (ret < 0)
+ EXAMPLE_DBG("error sending to ipc pktio\n");
+
+ /* 6. Print stats */
+ cycle = odp_time_cycles();
+ diff = odp_time_diff_cycles(current_cycle, cycle);
+ if (onesec_cycles < diff) {
+ current_cycle = cycle;
+ printf("\rpkts: %" PRIu64 ", alloc %"
PRIu64 ","
+ " errors %" PRIu64 ", pps %"
PRIu64 ".",
+ stat_pkts, stat_pkts_alloc,
stat_errors,
+ (stat_pkts + stat_pkts_alloc -
stat_pkts_prev));
+ fflush(stdout);
+ stat_pkts_prev = stat_pkts + stat_pkts_alloc;
+ }
+ }
+
+ return stat_errors > 10 ? -1 : 0;
+}
+
+/**
+ * ODP packet example main function
+ */
+int main(int argc, char *argv[])
+{
+ odp_pool_t pool;
+ odp_pool_param_t params;
+ int ret;
+
+ /* Parse and store the application arguments */
+ parse_args(argc, argv);
+
+ /* Init ODP before calling anything else */
+ if (odp_init_global(NULL, NULL)) {
+ EXAMPLE_ERR("Error: ODP global init failed.\n");
+ exit(EXIT_FAILURE);
+ }
+
+ /* Init this thread */
+ if (odp_init_local(ODP_THREAD_CONTROL)) {
+ EXAMPLE_ERR("Error: ODP local init failed.\n");
+ exit(EXIT_FAILURE);
+ }
+
+ /* Print both system and application information */
+ print_info(NO_PATH(argv[0]));
+
+ /* Create packet pool */
+ memset(¶ms, 0, sizeof(params));
+ params.pkt.seg_len = SHM_PKT_POOL_BUF_SIZE;
+ params.pkt.len = SHM_PKT_POOL_BUF_SIZE;
+ params.pkt.num = SHM_PKT_POOL_SIZE /
SHM_PKT_POOL_BUF_SIZE;
+ params.type = ODP_POOL_PACKET;
+
+ pool = odp_pool_create("packet_pool", ¶ms);
+ if (pool == ODP_POOL_INVALID) {
+ EXAMPLE_ERR("Error: packet pool create failed.\n");
+ exit(EXIT_FAILURE);
+ }
+
+ odp_pool_print(pool);
+
+ create_pktio(pktio_name, pool);
+
+ ret = pktio_run_loop(pool);
+
+ return ret;
+}
diff --git a/platform/linux-generic/test/pktio_ipc/pktio_ipc2.c
b/platform/linux-generic/test/pktio_ipc/pktio_ipc2.c
new file mode 100644
index 0000000..d860416
--- /dev/null
+++ b/platform/linux-generic/test/pktio_ipc/pktio_ipc2.c
@@ -0,0 +1,142 @@
+/* Copyright (c) 2015, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/**
+ * @file
+ *
+ * @example pktio_ipc2.c ODP IPC example application.
+ * This application works in pair with pktio_ipc1
application.
+ * It opens ipc pktio, reads packets and updates
magic number.
+ * Also it allocates some packets from internal pool
and sends
+ * to ipc pktio.
+ */
+
+#include "ipc_common.h"
+
+static int ipc_second_process(void)
+{
+ odp_pktio_t pktio;
+ odp_pool_param_t params;
+ odp_pool_t pool;
+ odp_packet_t pkt_tbl[MAX_PKT_BURST];
+ odp_packet_t alloc_pkt;
+ int pkts;
+ int ret;
+ int i;
+ uint64_t start_cycle;
+ uint64_t cycle;
+ uint64_t diff;
+
+ /* Create packet pool */
+ memset(¶ms, 0, sizeof(params));
+ params.pkt.seg_len = SHM_PKT_POOL_BUF_SIZE;
+ params.pkt.len = SHM_PKT_POOL_BUF_SIZE;
+ params.pkt.num = SHM_PKT_POOL_SIZE /
SHM_PKT_POOL_BUF_SIZE;
+ params.type = ODP_POOL_PACKET;
+
+ pool = odp_pool_create("packet_pool2", ¶ms);
+ if (pool == ODP_POOL_INVALID) {
+ EXAMPLE_ERR("Error: packet pool create failed.\n");
+ exit(EXIT_FAILURE);
+ }
+
+ pktio = create_pktio("xxx", pool);
+
+ start_cycle = odp_time_cycles();
+
+ for (;;) {
+ /* exit loop if time specified */
+ if (run_time_sec) {
+ cycle = odp_time_cycles();
+ diff = odp_time_diff_cycles(start_cycle,
cycle);
+ if (odp_time_ns_to_cycles(run_time_sec *
+ ODP_TIME_SEC) < diff)
+ break;
+ }
+
+ /* recv some packets and change MAGIC to MAGIC_2 */
+ pkts = odp_pktio_recv(pktio, pkt_tbl, MAX_PKT_BURST);
+ if (pkts <= 0)
+ continue;
+
+ for (i = 0; i < pkts; i++) {
+ odp_packet_t pkt = pkt_tbl[i];
+ pkt_head_t head;
+ size_t off;
+
+ off = odp_packet_l4_offset(pkt);
+ if (off == ODP_PACKET_OFFSET_INVALID)
+ EXAMPLE_ABORT("invalid l4 offset\n");
+
+ off += ODPH_UDPHDR_LEN;
+ ret = odp_packet_copydata_out(pkt, off,
sizeof(head),
+ &head);
+ if (ret)
+ EXAMPLE_ABORT("unable copy out
head data");
+
+ if (head.magic != TEST_SEQ_MAGIC)
+ EXAMPLE_ABORT("Wrong head magic!");
+
+ /* Modify magic number in packet */
+ head.magic = TEST_SEQ_MAGIC_2;
+ ret = odp_packet_copydata_in(pkt, off,
sizeof(head),
+ &head);
+ if (ret)
+ EXAMPLE_ABORT("unable to copy in
head data");
+ }
+
+ /* send all packets back */
+ ret = ipc_odp_packet_sendall(pktio, pkt_tbl, pkts);
+ if (ret < 0)
+ EXAMPLE_ABORT("can not send packets\n");
+
+ /* alloc packet from local pool, set magic to
ALLOC_MAGIC,
+ * and send it.*/
+ alloc_pkt = odp_packet_alloc(pool,
SHM_PKT_POOL_BUF_SIZE);
+ if (alloc_pkt != ODP_PACKET_INVALID) {
+ pkt_head_t head;
+ size_t off;
+
+ odp_packet_l4_offset_set(alloc_pkt, 30);
+
+ head.magic = TEST_ALLOC_MAGIC;
+
+ off = odp_packet_l4_offset(alloc_pkt);
+ off += ODPH_UDPHDR_LEN;
+ ret = odp_packet_copydata_in(alloc_pkt, off,
+ sizeof(head),
+ &head);
+ if (ret)
+ EXAMPLE_ABORT("unable to copy in
head data");
+
+ pkt_tbl[0] = alloc_pkt;
+ ret = ipc_odp_packet_sendall(pktio,
pkt_tbl, 1);
+ if (ret < 0)
+ EXAMPLE_ABORT("can not send
packets\n");
+ }
+ }
+
+ return 0;
+}
+
+int main(int argc, char *argv[])
+{
+ /* Parse and store the application arguments */
+ parse_args(argc, argv);
+
+ if (odp_init_global(NULL, NULL)) {
+ EXAMPLE_ERR("Error: ODP global init failed.\n");
+ exit(EXIT_FAILURE);
+ }
+
+ /* Init this thread */
+ if (odp_init_local(ODP_THREAD_CONTROL)) {
+ EXAMPLE_ERR("Error: ODP local init failed.\n");
+ exit(EXIT_FAILURE);
+ }
+
+ return ipc_second_process();
+}
diff --git a/platform/linux-generic/test/pktio_ipc/pktio_ipc_run
b/platform/linux-generic/test/pktio_ipc/pktio_ipc_run
new file mode 100755
index 0000000..8eab487
--- /dev/null
+++ b/platform/linux-generic/test/pktio_ipc/pktio_ipc_run
@@ -0,0 +1,55 @@
+#!/bin/sh
+#
+# Copyright (c) 2015, Linaro Limited
+# All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+# directories where test binary can be found:
+# -in the validation dir when running make check (intree or out
of tree)
+# -in the script directory, when running after 'make install', or
+# -in the validation when running standalone (./pktio_ipc_run)
intree.
+# -in the current directory.
+# running stand alone out of tree requires setting PATH
+PATH=./pktio_ipc:$PATH
+PATH=$(dirname $0):$PATH
+PATH=$(dirname
$0)/../../../../platform/linux-generic/test/pktio_ipc:$PATH
+PATH=.:$PATH
+
+run()
+{
+ local ret=0
+
+ echo "==== run pktio_ipc1 then pktio_ipc2 ===="
+ rm -rf /dev/shm/ipc_pktio_*
+
+ pktio_ipc1${EXEEXT} -t 15 &
+ IPC_PID=$!
+
+ pktio_ipc2${EXEEXT} -t 10
+ ret=$?
+ kill ${IPC_PID} || true
+
+ if [ $ret -ne 0 ]; then
+ echo "!!! FAILED !!!"
+ exit $ret
+ fi
+
+ sleep 1
+ echo "==== run pktio_ipc2 then pktio_ipc1 ===="
+ rm -rf /dev/shm/ipc_pktio_*
+
+ pktio_ipc2${EXEEXT} -t 25 &
+ IPC_PID=$!
+
+ pktio_ipc1${EXEEXT} -t 20
+ ret=$?
+ kill ${IPC_PID} || true
+
+ exit $ret
+}
+
+case "$1" in
+ *) run ;;
+esac
--
1.9.1
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