1. add lcore_id for node to hold affinity core id.
2. impl rte_node_model_generic_set_lcore_affinity to affinity node
with one lcore.
3. update version map for graph public API.
Signed-off-by: Haiyue Wang <haiyue.w...@intel.com>
Signed-off-by: Cunming Liang <cunming.li...@intel.com>
Signed-off-by: Zhirun Yan <zhirun....@intel.com>
---
lib/graph/graph_private.h | 1 +
lib/graph/meson.build | 1 +
lib/graph/node.c | 1 +
lib/graph/rte_graph_model_generic.c | 31 +++++++++++++++++++++
lib/graph/rte_graph_model_generic.h | 43 +++++++++++++++++++++++++++++
lib/graph/version.map | 2 ++
6 files changed, 79 insertions(+)
create mode 100644 lib/graph/rte_graph_model_generic.c
create mode 100644 lib/graph/rte_graph_model_generic.h
diff --git a/lib/graph/graph_private.h b/lib/graph/graph_private.h
index f9a85c8926..627090f802 100644
--- a/lib/graph/graph_private.h
+++ b/lib/graph/graph_private.h
@@ -49,6 +49,7 @@ struct node {
STAILQ_ENTRY(node) next; /**< Next node in the list. */
char name[RTE_NODE_NAMESIZE]; /**< Name of the node. */
uint64_t flags; /**< Node configuration flag. */
+ unsigned int lcore_id; /**< Node runs on the Lcore ID */
rte_node_process_t process; /**< Node process function. */
rte_node_init_t init; /**< Node init function. */
rte_node_fini_t fini; /**< Node fini function. */
diff --git a/lib/graph/meson.build b/lib/graph/meson.build
index c7327549e8..8c8b11ed27 100644
--- a/lib/graph/meson.build
+++ b/lib/graph/meson.build
@@ -14,6 +14,7 @@ sources = files(
'graph_debug.c',
'graph_stats.c',
'graph_populate.c',
+ 'rte_graph_model_generic.c',
)
headers = files('rte_graph.h', 'rte_graph_worker.h')
diff --git a/lib/graph/node.c b/lib/graph/node.c
index fc6345de07..8ad4b3cbeb 100644
--- a/lib/graph/node.c
+++ b/lib/graph/node.c
@@ -100,6 +100,7 @@ __rte_node_register(const struct rte_node_register *reg)
goto free;
}
+ node->lcore_id = RTE_MAX_LCORE;
node->id = node_id++;
/* Add the node at tail */
diff --git a/lib/graph/rte_graph_model_generic.c
b/lib/graph/rte_graph_model_generic.c
new file mode 100644
index 0000000000..54ff659c7b
--- /dev/null
+++ b/lib/graph/rte_graph_model_generic.c
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2022 Intel Corporation
+ */
+
+#include "graph_private.h"
+#include "rte_graph_model_generic.h"
+
+int
+rte_node_model_generic_set_lcore_affinity(const char *name, unsigned int
lcore_id)
+{
+ struct node *node;
+ int ret = -EINVAL;
+
+ if (lcore_id >= RTE_MAX_LCORE)
+ return ret;
+
+ graph_spinlock_lock();
+
+ STAILQ_FOREACH(node, node_list_head_get(), next) {
+ if (strncmp(node->name, name, RTE_NODE_NAMESIZE) == 0) {
+ node->lcore_id = lcore_id;
+ ret = 0;
+ break;
+ }
+ }
+
+ graph_spinlock_unlock();
+
+ return ret;
+}
+
diff --git a/lib/graph/rte_graph_model_generic.h
b/lib/graph/rte_graph_model_generic.h
new file mode 100644
index 0000000000..20ca48a9e3
--- /dev/null
+++ b/lib/graph/rte_graph_model_generic.h
@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2022 Intel Corporation
+ */
+
+#ifndef _RTE_GRAPH_MODEL_GENERIC_H_
+#define _RTE_GRAPH_MODEL_GENERIC_H_
+
+/**
+ * @file rte_graph_model_generic.h
+ *
+ * @warning
+ * @b EXPERIMENTAL:
+ * All functions in this file may be changed or removed without prior notice.
+ *
+ * This API allows a worker thread to walk over a graph and nodes to create,
+ * process, enqueue and move streams of objects to the next nodes.
+ */
+#include "rte_graph_worker_common.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Set lcore affinity to the node.
+ *
+ * @param name
+ * Valid node name. In the case of the cloned node, the name will be
+ * "parent node name" + "-" + name.
+ * @param lcore_id
+ * The lcore ID value.
+ *
+ * @return
+ * 0 on success, error otherwise.
+ */
+__rte_experimental
+int rte_node_model_generic_set_lcore_affinity(const char *name, unsigned int
lcore_id);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTE_GRAPH_MODEL_GENERIC_H_ */
diff --git a/lib/graph/version.map b/lib/graph/version.map
index eea73ec9ca..33ff055be6 100644
--- a/lib/graph/version.map
+++ b/lib/graph/version.map
@@ -46,5 +46,7 @@ EXPERIMENTAL {
rte_graph_worker_model_set;
rte_graph_worker_model_get;
+ rte_node_model_generic_set_lcore_affinity;
+
local: *;
};
--
2.25.1
