net/i40e: destroy ethertype filter

This patch adds i40e_flow_destroy_ethertype_filter
function to destroy a ethertype filter for users.

Signed-off-by: Beilei Xing <beilei.xing@intel.com>
Acked-by: Jingjing Wu <jingjing.wu@intel.com>

diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c
index 5225948..ca97682 100644 (file)
--- a/drivers/net/i40e/i40e_flow.c
+++ b/drivers/net/i40e/i40e_flow.c
@@ -116,6 +116,8 @@ static int i40e_flow_parse_tunnel_filter(struct rte_eth_dev *dev,
                                         const struct rte_flow_action actions[],
                                         struct rte_flow_error *error,
                                         union i40e_filter_t *filter);
+static int i40e_flow_destroy_ethertype_filter(struct i40e_pf *pf,
+                                     struct i40e_ethertype_filter *filter);
 
 const struct rte_flow_ops i40e_flow_ops = {
        .validate = i40e_flow_validate,
@@ -1617,6 +1619,10 @@ i40e_flow_destroy(struct rte_eth_dev *dev,
        int ret = 0;
 
        switch (filter_type) {
+       case RTE_ETH_FILTER_ETHERTYPE:
+               ret = i40e_flow_destroy_ethertype_filter(pf,
+                        (struct i40e_ethertype_filter *)flow->rule);
+               break;
        default:
                PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
                            filter_type);
@@ -1634,3 +1640,38 @@ i40e_flow_destroy(struct rte_eth_dev *dev,
 
        return ret;
 }
+
+static int
+i40e_flow_destroy_ethertype_filter(struct i40e_pf *pf,
+                                  struct i40e_ethertype_filter *filter)
+{
+       struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+       struct i40e_ethertype_rule *ethertype_rule = &pf->ethertype;
+       struct i40e_ethertype_filter *node;
+       struct i40e_control_filter_stats stats;
+       uint16_t flags = 0;
+       int ret = 0;
+
+       if (!(filter->flags & RTE_ETHTYPE_FLAGS_MAC))
+               flags |= I40E_AQC_ADD_CONTROL_PACKET_FLAGS_IGNORE_MAC;
+       if (filter->flags & RTE_ETHTYPE_FLAGS_DROP)
+               flags |= I40E_AQC_ADD_CONTROL_PACKET_FLAGS_DROP;
+       flags |= I40E_AQC_ADD_CONTROL_PACKET_FLAGS_TO_QUEUE;
+
+       memset(&stats, 0, sizeof(stats));
+       ret = i40e_aq_add_rem_control_packet_filter(hw,
+                                   filter->input.mac_addr.addr_bytes,
+                                   filter->input.ether_type,
+                                   flags, pf->main_vsi->seid,
+                                   filter->queue, 0, &stats, NULL);
+       if (ret < 0)
+               return ret;
+
+       node = i40e_sw_ethertype_filter_lookup(ethertype_rule, &filter->input);
+       if (!node)
+               return -EINVAL;
+
+       ret = i40e_sw_ethertype_filter_del(pf, &node->input);
+
+       return ret;
+}