static struct graph_head graph_list = STAILQ_HEAD_INITIALIZER(graph_list);
static rte_spinlock_t graph_lock = RTE_SPINLOCK_INITIALIZER;
static rte_graph_t graph_id;
-int rte_graph_logtype;
#define GRAPH_ID_CHECK(id) ID_CHECK(id, graph_id)
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)
{
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)
{
node->size = size;
node->realloc_count++;
}
+
+void __rte_noinline
+__rte_node_stream_alloc_size(struct rte_graph *graph, struct rte_node *node,
+ uint16_t req_size)
+{
+ uint16_t size = node->size;
+
+ RTE_VERIFY(size != UINT16_MAX);
+ /* Allocate double amount of size to avoid immediate realloc */
+ size = RTE_MIN(UINT16_MAX, RTE_MAX(RTE_GRAPH_BURST_SIZE, req_size * 2));
+ node->objs = rte_realloc_socket(node->objs, size * sizeof(void *),
+ RTE_CACHE_LINE_SIZE, graph->socket);
+ RTE_VERIFY(node->objs);
+ node->size = size;
+ node->realloc_count++;
+}
+
+static int
+graph_to_dot(FILE *f, struct graph *graph)
+{
+ const char *src_edge_color = " [color=blue]\n";
+ const char *edge_color = "\n";
+ struct graph_node *graph_node;
+ char *node_name;
+ rte_edge_t i;
+ int rc;
+
+ rc = fprintf(f, "Digraph %s {\n\trankdir=LR;\n", graph->name);
+ if (rc < 0)
+ goto end;
+
+ STAILQ_FOREACH(graph_node, &graph->node_list, next) {
+ node_name = graph_node->node->name;
+ for (i = 0; i < graph_node->node->nb_edges; i++) {
+ rc = fprintf(f, "\t\"%s\"->\"%s\"%s", node_name,
+ graph_node->adjacency_list[i]->node->name,
+ graph_node->node->flags & RTE_NODE_SOURCE_F
+ ? src_edge_color
+ : edge_color);
+ if (rc < 0)
+ goto end;
+ }
+ }
+ rc = fprintf(f, "}\n");
+ if (rc < 0)
+ goto end;
+
+ return 0;
+end:
+ rte_errno = EBADF;
+ return -rte_errno;
+}
+
+int
+rte_graph_export(const char *name, FILE *f)
+{
+ struct graph *graph;
+ int rc = ENOENT;
+
+ STAILQ_FOREACH(graph, &graph_list, next) {
+ if (strncmp(graph->name, name, RTE_GRAPH_NAMESIZE) == 0) {
+ rc = graph_to_dot(f, graph);
+ goto end;
+ }
+ }
+end:
+ return -rc;
+}
+
+static void
+graph_scan_dump(FILE *f, rte_graph_t id, bool all)
+{
+ struct graph *graph;
+
+ RTE_VERIFY(f);
+ GRAPH_ID_CHECK(id);
+
+ STAILQ_FOREACH(graph, &graph_list, next) {
+ if (all == true) {
+ graph_dump(f, graph);
+ } else if (graph->id == id) {
+ graph_dump(f, graph);
+ return;
+ }
+ }
+fail:
+ return;
+}
+
+void
+rte_graph_dump(FILE *f, rte_graph_t id)
+{
+ graph_scan_dump(f, id, false);
+}
+
+void
+rte_graph_list_dump(FILE *f)
+{
+ graph_scan_dump(f, 0, true);
+}
+
+rte_graph_t
+rte_graph_max_count(void)
+{
+ return graph_id;
+}
+
+RTE_LOG_REGISTER(rte_graph_logtype, lib.graph, INFO);
git.droids-corp.org / dpdk.git / blobdiff