From c671b62cc53a771ac692694990588e384c356f62 Mon Sep 17 00:00:00 2001 From: Jerin Jacob Date: Sat, 11 Apr 2020 19:44:07 +0530 Subject: [PATCH] graph: implement graph operations Adding support for graph specific API implementation like Graph lookup to get graph object, retrieving graph ID From name and graph name from ID. Signed-off-by: Jerin Jacob Signed-off-by: Kiran Kumar K Signed-off-by: Pavan Nikhilesh Signed-off-by: Nithin Dabilpuram --- lib/librte_graph/graph.c | 131 +++++++++++++++++++++++++ lib/librte_graph/rte_graph_version.map | 8 ++ 2 files changed, 139 insertions(+) diff --git a/lib/librte_graph/graph.c b/lib/librte_graph/graph.c index f4e02fdfc9..7a77cb5c81 100644 --- a/lib/librte_graph/graph.c +++ b/lib/librte_graph/graph.c @@ -210,6 +210,54 @@ graph_node_fini(struct graph *graph) graph_node->node->name)); } +static struct rte_graph * +graph_mem_fixup_node_ctx(struct rte_graph *graph) +{ + struct rte_node *node; + struct node *node_db; + rte_graph_off_t off; + rte_node_t count; + const char *name; + + rte_graph_foreach_node(count, off, graph, node) { + if (node->parent_id == RTE_NODE_ID_INVALID) /* Static node */ + name = node->name; + else /* Cloned node */ + name = node->parent; + + node_db = node_from_name(name); + if (node_db == NULL) + SET_ERR_JMP(ENOLINK, fail, "Node %s not found", name); + node->process = node_db->process; + } + + return graph; +fail: + return NULL; +} + +static struct rte_graph * +graph_mem_fixup_secondary(struct rte_graph *graph) +{ + if (graph == NULL || rte_eal_process_type() == RTE_PROC_PRIMARY) + return graph; + + return graph_mem_fixup_node_ctx(graph); +} + +struct rte_graph * +rte_graph_lookup(const char *name) +{ + const struct rte_memzone *mz; + struct rte_graph *rc = NULL; + + mz = rte_memzone_lookup(name); + if (mz) + rc = mz->addr; + + return graph_mem_fixup_secondary(rc); +} + rte_graph_t rte_graph_create(const char *name, struct rte_graph_param *prm) { @@ -340,6 +388,76 @@ done: return rc; } +rte_graph_t +rte_graph_from_name(const char *name) +{ + struct graph *graph; + + STAILQ_FOREACH(graph, &graph_list, next) + if (strncmp(graph->name, name, RTE_GRAPH_NAMESIZE) == 0) + return graph->id; + + return RTE_GRAPH_ID_INVALID; +} + +char * +rte_graph_id_to_name(rte_graph_t id) +{ + struct graph *graph; + + GRAPH_ID_CHECK(id); + STAILQ_FOREACH(graph, &graph_list, next) + if (graph->id == id) + return graph->name; + +fail: + return NULL; +} + +struct rte_node * +rte_graph_node_get(rte_graph_t gid, uint32_t nid) +{ + struct rte_node *node; + struct graph *graph; + rte_graph_off_t off; + rte_node_t count; + + GRAPH_ID_CHECK(gid); + STAILQ_FOREACH(graph, &graph_list, next) + if (graph->id == gid) { + rte_graph_foreach_node(count, off, graph->graph, + node) { + if (node->id == nid) + return node; + } + break; + } +fail: + return NULL; +} + +struct rte_node * +rte_graph_node_get_by_name(const char *graph_name, const char *node_name) +{ + struct rte_node *node; + struct graph *graph; + rte_graph_off_t off; + rte_node_t count; + + STAILQ_FOREACH(graph, &graph_list, next) + if (!strncmp(graph->name, graph_name, RTE_GRAPH_NAMESIZE)) { + rte_graph_foreach_node(count, off, graph->graph, + node) { + if (!strncmp(node->name, node_name, + RTE_NODE_NAMESIZE)) + return node; + } + break; + } + + return NULL; +} + void __rte_noinline __rte_node_stream_alloc(struct rte_graph *graph, struct rte_node *node) { @@ -354,3 +472,16 @@ __rte_node_stream_alloc(struct rte_graph *graph, struct rte_node *node) node->size = size; node->realloc_count++; } + +rte_graph_t +rte_graph_max_count(void) +{ + return graph_id; +} + +RTE_INIT(rte_graph_init_log) +{ + rte_graph_logtype = rte_log_register("lib.graph"); + if (rte_graph_logtype >= 0) + rte_log_set_level(rte_graph_logtype, RTE_LOG_INFO); +} diff --git a/lib/librte_graph/rte_graph_version.map b/lib/librte_graph/rte_graph_version.map index dcbd78c026..5a2b132933 100644 --- a/lib/librte_graph/rte_graph_version.map +++ b/lib/librte_graph/rte_graph_version.map @@ -6,6 +6,14 @@ EXPERIMENTAL { rte_graph_create; rte_graph_destroy; + rte_graph_from_name; + rte_graph_id_to_name; + rte_graph_lookup; + rte_graph_list_dump; + rte_graph_max_count; + rte_graph_node_get; + rte_graph_node_get_by_name; + rte_node_clone; rte_node_dump; rte_node_edge_count; -- 2.20.1