[dpdk-dev] [PATCH v3 12/17] net/i40e: destroy ethertype filter

[Beilei Xing]

This patch adds i40e_dev_destroy_ethertype_filter function
to destroy a ethertype filter for users.

Signed-off-by: Beilei Xing <beilei.x...@intel.com>
---
 drivers/net/i40e/i40e_flow.c | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c
index a64ef0e..a41d4c2 100644
--- a/drivers/net/i40e/i40e_flow.c
+++ b/drivers/net/i40e/i40e_flow.c
@@ -49,6 +49,7 @@
 
 #include "i40e_logs.h"
 #include "base/i40e_type.h"
+#include "base/i40e_prototype.h"
 #include "i40e_ethdev.h"
 
 #define I40E_IPV4_TC_SHIFT     4
@@ -96,6 +97,8 @@ static int i40e_parse_tunnel_act(struct rte_eth_dev *dev,
                                 struct rte_eth_tunnel_filter_conf *filter);
 static int i40e_parse_attr(const struct rte_flow_attr *attr,
                           struct rte_flow_error *error);
+static int i40e_dev_destroy_ethertype_filter(struct i40e_pf *pf,
+                                    struct i40e_ethertype_filter *filter);
 
 const struct rte_flow_ops i40e_flow_ops = {
        .validate = i40e_flow_validate,
@@ -1539,6 +1542,10 @@ i40e_flow_destroy(struct rte_eth_dev *dev,
        int ret = 0;
 
        switch (filter_type) {
+       case RTE_ETH_FILTER_ETHERTYPE:
+               ret = i40e_dev_destroy_ethertype_filter(pf,
+                       (struct i40e_ethertype_filter *)pmd_flow->rule);
+               break;
        default:
                PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
                            filter_type);
@@ -1556,3 +1563,38 @@ i40e_flow_destroy(struct rte_eth_dev *dev,
 
        return ret;
 }
+
+static int
+i40e_dev_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;
+}
-- 
2.5.5