ethdev: fix flow expansion matching types

Node RSS types are generally covering more RSS kind than the user is
requesting, it should accept to expand even if only a single bit is
remains after masking.  Setting the correct RSS kind for the rule
remains the driver job.

Fixes: 4ed05fcd441b ("ethdev: add flow API to expand RSS flows")

Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>

diff --git a/lib/librte_ethdev/rte_flow.c b/lib/librte_ethdev/rte_flow.c
index 2b13efc..e06cc21 100644 (file)
--- a/lib/librte_ethdev/rte_flow.c
+++ b/lib/librte_ethdev/rte_flow.c
@@ -585,7 +585,7 @@ rte_flow_expand_rss(struct rte_flow_expand_rss *buf, size_t size,
        node = next_node ? &graph[*next_node] : NULL;
        while (node) {
                flow_items[stack_pos].type = node->type;
-               if ((node->rss_types & types) == node->rss_types) {
+               if (node->rss_types & types) {
                        /*
                         * compute the number of items to copy from the
                         * expansion and copy it.