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-rw-r--r--src/vnet/devices/tap/tapv2.api13
1 files changed, 7 insertions, 6 deletions
diff --git a/src/vnet/devices/tap/tapv2.api b/src/vnet/devices/tap/tapv2.api
index 61b6720a0d3..94e1a7c00c2 100644
--- a/src/vnet/devices/tap/tapv2.api
+++ b/src/vnet/devices/tap/tapv2.api
@@ -19,18 +19,19 @@
the Linux kernel TAP device driver
*/
-option version = "3.0.0";
+option version = "4.0.0";
import "vnet/interface_types.api";
import "vnet/ethernet/ethernet_types.api";
import "vnet/ip/ip_types.api";
enum tap_flags {
- TAP_FLAG_GSO = 1,
- TAP_FLAG_CSUM_OFFLOAD = 2,
- TAP_FLAG_PERSIST = 4,
- TAP_FLAG_ATTACH = 8,
- TAP_FLAG_TUN = 16,
+ TAP_API_FLAG_GSO = 1, /* enable gso on the interface */
+ TAP_API_FLAG_CSUM_OFFLOAD = 2, /* enable checksum offload without gso on the interface */
+ TAP_API_FLAG_PERSIST = 4, /* make the interface persistence to exist in linux even vpp crash/restart */
+ TAP_API_FLAG_ATTACH = 8, /* attach to the existing persistence interface after vpp crash/restart */
+ TAP_API_FLAG_TUN = 16, /* create TUN interface instead of tap */
+ TAP_API_FLAG_GRO_COALESCE = 32, /* enable packet coalescing on tx side, provided gso enabled */
};
/** \brief Initialize a new tap interface with the given parameters