[dpdk-dev] [PATCH v4 08/29] graph: implement graph operation APIs
Andrzej Ostruszka
amo at semihalf.com
Wed Apr 8 19:49:36 CEST 2020
On 4/5/20 10:55 AM, jerinj at marvell.com wrote:
> From: Jerin Jacob <jerinj at marvell.com>
>
> 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 <jerinj at marvell.com>
> Signed-off-by: Kiran Kumar K <kirankumark at marvell.com>
> Signed-off-by: Pavan Nikhilesh <pbhagavatula at marvell.com>
> Signed-off-by: Nithin Dabilpuram <ndabilpuram at marvell.com>
> ---
> 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 dc373231e..7c6a7897d 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)
How is this function fixing context? It only updates process pointer
never touching context.
> +{
> + 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_secondray(struct rte_graph *graph)
Typo here?
> +{
> + 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_secondray(rc);
> +}
[...]
With regards
Andrzej Ostruszka
More information about the dev
mailing list