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/*
*------------------------------------------------------------------
* Copyright (c) 2017 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*------------------------------------------------------------------
*/
#ifndef _VNET_DEVICES_VIRTIO_TAP_H_
#define _VNET_DEVICES_VIRTIO_TAP_H_
#ifndef MIN
#define MIN(x,y) (((x)<(y))?(x):(y))
#endif
typedef struct
{
u32 id;
u8 mac_addr_set;
u8 mac_addr[6];
u16 rx_ring_sz;
u16 tx_ring_sz;
u32 tap_flags;
#define TAP_FLAG_GSO (1 << 0)
u8 *host_namespace;
u8 *host_if_name;
u8 host_mac_addr[6];
u8 *host_bridge;
ip4_address_t host_ip4_addr;
u8 host_ip4_prefix_len;
ip4_address_t host_ip4_gw;
u8 host_ip4_gw_set;
ip6_address_t host_ip6_addr;
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;
clib_error_t *error;
} tap_create_if_args_t;
/** 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;
u8 host_mac_addr[6];
u8 host_if_name[64];
u8 host_namespace[64];
u8 host_bridge[64];
u8 host_ip4_addr[4];
u8 host_ip4_prefix_len;
u8 host_ip6_addr[16];
u8 host_ip6_prefix_len;
u32 host_mtu_size;
} tap_interface_details_t;
typedef struct
{
/* 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_dump_ifs (tap_interface_details_t ** out_tapids);
#endif /* _VNET_DEVICES_VIRTIO_TAP_H_ */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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