From: Chengwen Feng <[email protected]>
The device's flow director supports a maximum of one tunnel header, if
passed more than one tunnel header from rte-flow API, the driver should
return error.
Fixes: fcba820d9b9e ("net/hns3: support flow director")
Cc: [email protected]
Signed-off-by: Chengwen Feng <[email protected]>
Signed-off-by: Jie Hai <[email protected]>
---
drivers/net/hns3/hns3_flow.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/net/hns3/hns3_flow.c b/drivers/net/hns3/hns3_flow.c
index 37eb2b4c3807..e287420fb0f8 100644
--- a/drivers/net/hns3/hns3_flow.c
+++ b/drivers/net/hns3/hns3_flow.c
@@ -1221,6 +1221,11 @@ hns3_parse_tunnel(const struct rte_flow_item *item,
struct hns3_fdir_rule *rule,
"Tunnel packets must configure "
"with mask");
+ if (rule->key_conf.spec.tunnel_type != 0)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Too many tunnel headers!");
+
switch (item->type) {
case RTE_FLOW_ITEM_TYPE_VXLAN:
case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
--
2.22.0
