tap: add support for persistance

[vpp.git] / src / vnet / devices / tap / tap.h

diff --git a/src/vnet/devices/tap/tap.h b/src/vnet/devices/tap/tap.h
index 7d07ffb..5d087ad 100644 (file)
--- a/src/vnet/devices/tap/tap.h
+++ b/src/vnet/devices/tap/tap.h
@@ -26,17 +26,29 @@ typedef struct
 {
   u32 id;
   u8 mac_addr_set;
-  u8 mac_addr[6];
+  mac_address_t mac_addr;
+  u8 num_rx_queues;
   u16 rx_ring_sz;
   u16 tx_ring_sz;
+  u32 tap_flags;
+#define TAP_FLAG_GSO (1 << 0)
+#define TAP_FLAG_CSUM_OFFLOAD (1 << 1)
+#define TAP_FLAG_PERSIST (1 << 2)
+#define TAP_FLAG_ATTACH (1 << 3)
   u8 *host_namespace;
   u8 *host_if_name;
-  u8 host_mac_addr[6];
+  mac_address_t host_mac_addr;
   u8 *host_bridge;
   ip4_address_t host_ip4_addr;
-  u32 host_ip4_prefix_len;
+  u8 host_ip4_prefix_len;
+  ip4_address_t host_ip4_gw;
+  u8 host_ip4_gw_set;
   ip6_address_t host_ip6_addr;
-  u32 host_ip6_prefix_len;
+  u8 host_ip6_prefix_len;
+  ip6_address_t host_ip6_gw;
+  u8 host_ip6_gw_set;
+  u8 host_mtu_set;
+  u32 host_mtu_size;
   /* return */
   u32 sw_if_index;
   int rv;
@@ -46,18 +58,42 @@ typedef struct
 /** TAP interface details struct */
 typedef struct
 {
+  u32 id;
   u32 sw_if_index;
+  u32 tap_flags;
   u8 dev_name[64];
+  u16 tx_ring_sz;
+  u16 rx_ring_sz;
+  mac_address_t host_mac_addr;
+  u8 host_if_name[64];
+  u8 host_namespace[64];
+  u8 host_bridge[64];
+  ip4_address_t host_ip4_addr;
+  u8 host_ip4_prefix_len;
+  ip6_address_t host_ip6_addr;
+  u8 host_ip6_prefix_len;
+  u32 host_mtu_size;
 } tap_interface_details_t;
 
 typedef struct
 {
-  u32 last_used_interface_id;
-  uword *dev_instance_by_interface_id;
+  /* logging */
+  vlib_log_class_t log_default;
+
+  /* bit-map of in-use IDs */
+  uword *tap_ids;
+
+  /* host mtu size, configurable through startup.conf */
+  int host_mtu_size;
 } tap_main_t;
 
 void tap_create_if (vlib_main_t * vm, tap_create_if_args_t * args);
 int tap_delete_if (vlib_main_t * vm, u32 sw_if_index);
+int tap_gso_enable_disable (vlib_main_t * vm, u32 sw_if_index,
+                           int enable_disable);
+int
+tap_csum_offload_enable_disable (vlib_main_t * vm, u32 sw_if_index,
+                                int enable_disable);
 int tap_dump_ifs (tap_interface_details_t ** out_tapids);
 
 #endif /* _VNET_DEVICES_VIRTIO_TAP_H_ */