[dpdk-dev] [PATCH 11/24] net/i40e: add flow validate function

[Beilei Xing]

This patch adds handling RTE_ETH_FILTER_GENERIC filter type in
.filter_ctrl function, and result in a pointer to i40e_flow_ops.
This patch also adds flow validate ops.

Signed-off-by: Beilei Xing <beilei.x...@intel.com>
---
 drivers/net/i40e/i40e_ethdev.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 997e2fe..c1623c4 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -52,6 +52,7 @@
 #include <rte_eth_ctrl.h>
 #include <rte_tailq.h>
 #include <rte_hash_crc.h>
+#include <rte_flow_driver.h>
 
 #include "i40e_logs.h"
 #include "base/i40e_prototype.h"
@@ -490,6 +491,12 @@ static void i40e_tunnel_filter_restore(struct i40e_pf *pf);
 static void i40e_rss_hash_restore(struct i40e_pf *pf);
 static void i40e_filter_restore(struct i40e_pf *pf);
 
+static int i40e_flow_validate(__rte_unused struct rte_eth_dev *dev,
+                             const struct rte_flow_attr *attr,
+                             const struct rte_flow_item *pattern,
+                             const struct rte_flow_action *actions,
+                             struct rte_flow_error *error);
+
 static const struct rte_pci_id pci_id_i40e_map[] = {
        { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_SFP_XL710) },
        { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_QEMU) },
@@ -584,6 +591,10 @@ static const struct eth_dev_ops i40e_eth_dev_ops = {
        .mtu_set                      = i40e_dev_mtu_set,
 };
 
+static const struct rte_flow_ops i40e_flow_ops = {
+       .validate = i40e_flow_validate,
+};
+
 /* store statistics names and its offset in stats structure */
 struct rte_i40e_xstats_name_off {
        char name[RTE_ETH_XSTATS_NAME_SIZE];
@@ -8505,6 +8516,11 @@ i40e_dev_filter_ctrl(struct rte_eth_dev *dev,
        case RTE_ETH_FILTER_FDIR:
                ret = i40e_fdir_ctrl_func(dev, filter_op, arg);
                break;
+       case RTE_ETH_FILTER_GENERIC:
+               if (filter_op != RTE_ETH_FILTER_GET)
+                       return -EINVAL;
+               *(const void **)arg = &i40e_flow_ops;
+               break;
        default:
                PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
                                                        filter_type);
@@ -10223,3 +10239,21 @@ i40e_filter_restore(struct i40e_pf *pf)
        i40e_fdir_filter_restore(pf);
        i40e_rss_hash_restore(pf);
 }
+
+static int
+i40e_flow_validate(__rte_unused struct rte_eth_dev *dev,
+                  const struct rte_flow_attr *attr,
+                  const struct rte_flow_item *pattern,
+                  const struct rte_flow_action *actions,
+                  struct rte_flow_error *error)
+{
+       struct rte_eth_ethertype_filter ethertype_filter;
+       int ret;
+
+       ret = cons_parse_ethertype_filter(attr, pattern, actions,
+                                         &ethertype_filter, error);
+       if (!ret)
+               return 0;
+
+       return ret;
+}
-- 
2.5.5