net/hinic: fix TCAM filter set

hinic supports two methods: linear table and tcam table,
if tcam filter enables failed but linear table is ok,
which also needs to enable filter, so for this scene,
driver should not close fdir switch.

Fixes: f4ca3fd54c4d ("net/hinic: create and destroy flow director filter")
Cc: stable@dpdk.org
Signed-off-by: Xiaoyun Wang <cloud.wangxiaoyun@huawei.com>

diff --git a/drivers/net/hinic/hinic_pmd_flow.c b/drivers/net/hinic/hinic_pmd_flow.c
index 9888a87..d71a42a 100644 (file)
--- a/drivers/net/hinic/hinic_pmd_flow.c
+++ b/drivers/net/hinic/hinic_pmd_flow.c
@@ -2809,8 +2809,12 @@ static int hinic_add_tcam_filter(struct rte_eth_dev *dev,
 
                rc = hinic_set_fdir_tcam_rule_filter(nic_dev->hwdev, true);
                if (rc && rc != HINIC_MGMT_CMD_UNSUPPORTED) {
-                       (void)hinic_set_fdir_filter(nic_dev->hwdev, 0, 0, 0,
-                                               false);
+                       /*
+                        * hinic supports two methods: linear table and tcam
+                        * table, if tcam filter enables failed but linear table
+                        * is ok, which also needs to enable filter, so for this
+                        * scene, driver should not close fdir switch.
+                        */
                        (void)hinic_del_tcam_rule(nic_dev->hwdev,
                                                fdir_tcam_rule->index);
                        return rc;