ethdev: query supported packet types

[dpdk.git] / lib / librte_ether / rte_ethdev.c

diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 8721a6b..c0d85d6 100644 (file)
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -1627,6 +1627,33 @@ rte_eth_dev_info_get(uint8_t port_id, struct rte_eth_dev_info *dev_info)
        dev_info->driver_name = dev->data->drv_name;
 }
 
+int
+rte_eth_dev_get_supported_ptypes(uint8_t port_id, uint32_t ptype_mask,
+                                uint32_t *ptypes, int num)
+{
+       int i, j;
+       struct rte_eth_dev *dev;
+       const uint32_t *all_ptypes;
+
+       RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
+       dev = &rte_eth_devices[port_id];
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get,
+                               -ENOTSUP);
+       all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
+
+       if (!all_ptypes)
+               return 0;
+
+       for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
+               if (all_ptypes[i] & ptype_mask) {
+                       if (j < num)
+                               ptypes[j] = all_ptypes[i];
+                       j++;
+               }
+
+       return j;
+}
+
 void
 rte_eth_macaddr_get(uint8_t port_id, struct ether_addr *mac_addr)
 {