[dpdk-dev] [PATCH v2 15/28] node: add log infra and null node
jerinj at marvell.com
jerinj at marvell.com
Thu Mar 26 17:56:31 CET 2020
From: Nithin Dabilpuram <ndabilpuram at marvell.com>
Add log infra for node specific logging.
Also, add null rte_node that just ignores all the objects
directed to it.
Signed-off-by: Nithin Dabilpuram <ndabilpuram at marvell.com>
Signed-off-by: Pavan Nikhilesh <pbhagavatula at marvell.com>
Signed-off-by: Kiran Kumar K <kirankumark at marvell.com>
---
MAINTAINERS | 5 +++++
config/common_base | 5 +++++
doc/api/doxy-api.conf.in | 1 +
lib/Makefile | 3 +++
lib/librte_node/Makefile | 22 ++++++++++++++++++++++
lib/librte_node/log.c | 14 ++++++++++++++
lib/librte_node/meson.build | 8 ++++++++
lib/librte_node/node_private.h | 22 ++++++++++++++++++++++
lib/librte_node/null.c | 23 +++++++++++++++++++++++
lib/librte_node/rte_node_version.map | 6 ++++++
lib/meson.build | 5 ++++-
meson.build | 1 +
mk/rte.app.mk | 1 +
13 files changed, 115 insertions(+), 1 deletion(-)
create mode 100644 lib/librte_node/Makefile
create mode 100644 lib/librte_node/log.c
create mode 100644 lib/librte_node/meson.build
create mode 100644 lib/librte_node/node_private.h
create mode 100644 lib/librte_node/null.c
create mode 100644 lib/librte_node/rte_node_version.map
diff --git a/MAINTAINERS b/MAINTAINERS
index bc7085983..c1acaedab 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1474,6 +1474,11 @@ M: Jerin Jacob <jerinj at marvell.com>
M: Kiran Kumar K <kirankumark at marvell.com>
F: lib/librte_graph/
+Nodes - EXPERIMENTAL
+M: Nithin Dabilpuram <ndabilpuram at marvell.com>
+M: Pavan Nikhilesh <pbhagavatula at marvell.com>
+F: lib/librte_node/
+
Test Applications
-----------------
diff --git a/config/common_base b/config/common_base
index 32f982136..1ed5187dc 100644
--- a/config/common_base
+++ b/config/common_base
@@ -1081,6 +1081,11 @@ CONFIG_RTE_LIBRTE_GRAPH=y
CONFIG_RTE_GRAPH_BURST_SIZE=256
CONFIG_RTE_LIBRTE_GRAPH_STATS=y
+#
+# Compile librte_node
+#
+CONFIG_RTE_LIBRTE_NODE=y
+
#
# Compile the test application
#
diff --git a/doc/api/doxy-api.conf.in b/doc/api/doxy-api.conf.in
index 759a7213e..1d4f1a37d 100644
--- a/doc/api/doxy-api.conf.in
+++ b/doc/api/doxy-api.conf.in
@@ -49,6 +49,7 @@ INPUT = @TOPDIR@/doc/api/doxy-api-index.md \
@TOPDIR@/lib/librte_mempool \
@TOPDIR@/lib/librte_meter \
@TOPDIR@/lib/librte_metrics \
+ @TOPDIR@/lib/librte_node \
@TOPDIR@/lib/librte_net \
@TOPDIR@/lib/librte_pci \
@TOPDIR@/lib/librte_pdump \
diff --git a/lib/Makefile b/lib/Makefile
index 1f572b659..50d61a338 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -122,6 +122,9 @@ DEPDIRS-librte_rcu := librte_eal
DIRS-$(CONFIG_RTE_LIBRTE_GRAPH) += librte_graph
DEPDIRS-librte_graph := librte_eal
+DIRS-$(CONFIG_RTE_LIBRTE_NODE) += librte_node
+DEPDIRS-librte_node := librte_graph librte_lpm librte_ethdev librte_mbuf
+
ifeq ($(CONFIG_RTE_EXEC_ENV_LINUX),y)
DIRS-$(CONFIG_RTE_LIBRTE_KNI) += librte_kni
endif
diff --git a/lib/librte_node/Makefile b/lib/librte_node/Makefile
new file mode 100644
index 000000000..dbc8e1d44
--- /dev/null
+++ b/lib/librte_node/Makefile
@@ -0,0 +1,22 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(C) 2020 Marvell International Ltd.
+#
+
+include $(RTE_SDK)/mk/rte.vars.mk
+
+# library name
+LIB = librte_node.a
+
+CFLAGS += -O3 -DALLOW_EXPERIMENTAL_API
+CFLAGS += $(WERROR_FLAGS)
+# Strict-aliasing rules are violated by uint8_t[] to context size casts.
+CFLAGS += -fno-strict-aliasing
+LDLIBS += -lrte_eal -lrte_graph
+
+EXPORT_MAP := rte_node_version.map
+
+# all source are stored in SRCS-y
+SRCS-$(CONFIG_RTE_LIBRTE_NODE) += null.c
+SRCS-$(CONFIG_RTE_LIBRTE_NODE) += log.c
+
+include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/lib/librte_node/log.c b/lib/librte_node/log.c
new file mode 100644
index 000000000..f035f91e8
--- /dev/null
+++ b/lib/librte_node/log.c
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2020 Marvell International Ltd.
+ */
+
+#include "node_private.h"
+
+int rte_node_logtype;
+
+RTE_INIT(rte_node_init_log)
+{
+ rte_node_logtype = rte_log_register("lib.node");
+ if (rte_node_logtype >= 0)
+ rte_log_set_level(rte_node_logtype, RTE_LOG_INFO);
+}
diff --git a/lib/librte_node/meson.build b/lib/librte_node/meson.build
new file mode 100644
index 000000000..a97813ad4
--- /dev/null
+++ b/lib/librte_node/meson.build
@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(C) 2020 Marvell International Ltd.
+
+sources = files('null.c', 'log.c')
+allow_experimental_apis = true
+# Strict-aliasing rules are violated by uint8_t[] to context size casts.
+cflags += '-fno-strict-aliasing'
+deps += ['graph']
diff --git a/lib/librte_node/node_private.h b/lib/librte_node/node_private.h
new file mode 100644
index 000000000..f30902a94
--- /dev/null
+++ b/lib/librte_node/node_private.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2020 Marvell International Ltd.
+ */
+
+#ifndef __NODE_PRIVATE_H__
+#define __NODE_PRIVATE_H__
+
+#include <rte_common.h>
+#include <rte_log.h>
+
+extern int rte_node_logtype;
+#define NODE_LOG(level, node_name, ...) \
+ rte_log(RTE_LOG_##level, rte_node_logtype, \
+ RTE_FMT("NODE %s: %s():%u " RTE_FMT_HEAD(__VA_ARGS__, ) "\n", \
+ node_name, __func__, __LINE__, \
+ RTE_FMT_TAIL(__VA_ARGS__, )))
+
+#define node_err(node_name, ...) NODE_LOG(ERR, node_name, __VA_ARGS__)
+#define node_info(node_name, ...) NODE_LOG(INFO, node_name, __VA_ARGS__)
+#define node_dbg(node_name, ...) NODE_LOG(DEBUG, node_name, __VA_ARGS__)
+
+#endif /* __NODE_PRIVATE_H__ */
diff --git a/lib/librte_node/null.c b/lib/librte_node/null.c
new file mode 100644
index 000000000..c7cd8b6df
--- /dev/null
+++ b/lib/librte_node/null.c
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2020 Marvell International Ltd.
+ */
+
+#include <rte_graph.h>
+
+static uint16_t
+null(struct rte_graph *graph, struct rte_node *node, void **objs,
+ uint16_t nb_objs)
+{
+ RTE_SET_USED(node);
+ RTE_SET_USED(objs);
+ RTE_SET_USED(graph);
+
+ return nb_objs;
+}
+
+static struct rte_node_register null_node = {
+ .name = "null",
+ .process = null,
+};
+
+RTE_NODE_REGISTER(null_node);
diff --git a/lib/librte_node/rte_node_version.map b/lib/librte_node/rte_node_version.map
new file mode 100644
index 000000000..f87163bb9
--- /dev/null
+++ b/lib/librte_node/rte_node_version.map
@@ -0,0 +1,6 @@
+EXPERIMENTAL {
+ global:
+
+ rte_node_logtype;
+ local: *;
+};
diff --git a/lib/meson.build b/lib/meson.build
index c43d86bb9..147129b0b 100644
--- a/lib/meson.build
+++ b/lib/meson.build
@@ -30,7 +30,7 @@ libraries = [
# add pkt framework libs which use other libs from above
'port', 'table', 'pipeline',
# flow_classify lib depends on pkt framework table lib
- 'flow_classify', 'bpf', 'graph', 'telemetry']
+ 'flow_classify', 'bpf', 'graph', 'node', 'telemetry']
if is_windows
libraries = ['kvargs','eal'] # only supported libraries for windows
@@ -186,6 +186,9 @@ foreach l:libraries
dpdk_libraries = [shared_lib] + dpdk_libraries
dpdk_static_libraries = [static_lib] + dpdk_static_libraries
+ if libname == 'rte_node'
+ dpdk_graph_nodes = [static_lib]
+ endif
endif # sources.length() > 0
set_variable('shared_rte_' + name, shared_dep)
diff --git a/meson.build b/meson.build
index b7ae9c8d9..811c96421 100644
--- a/meson.build
+++ b/meson.build
@@ -16,6 +16,7 @@ cc = meson.get_compiler('c')
dpdk_conf = configuration_data()
dpdk_libraries = []
dpdk_static_libraries = []
+dpdk_graph_nodes = []
dpdk_driver_classes = []
dpdk_drivers = []
dpdk_extra_ldflags = []
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index b1195f09a..68d7806a4 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -99,6 +99,7 @@ _LDLIBS-$(CONFIG_RTE_LIBRTE_REORDER) += -lrte_reorder
_LDLIBS-$(CONFIG_RTE_LIBRTE_SCHED) += -lrte_sched
_LDLIBS-$(CONFIG_RTE_LIBRTE_RCU) += -lrte_rcu
_LDLIBS-$(CONFIG_RTE_LIBRTE_GRAPH) += -lrte_graph
+_LDLIBS-$(CONFIG_RTE_LIBRTE_NODE) += -lrte_node
ifeq ($(CONFIG_RTE_EXEC_ENV_LINUX),y)
_LDLIBS-$(CONFIG_RTE_LIBRTE_KNI) += -lrte_kni
--
2.25.1
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