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/*
* Copyright (c) 2015 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.
*/
/*
* interface_funcs.h: VNET interfaces/sub-interfaces exported functions
*
* Copyright (c) 2008 Eliot Dresselhaus
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef included_vnet_interface_funcs_h
#define included_vnet_interface_funcs_h
always_inline vnet_hw_interface_t *
vnet_get_hw_interface (vnet_main_t * vnm, u32 hw_if_index)
{ return pool_elt_at_index (vnm->interface_main.hw_interfaces, hw_if_index); }
always_inline vnet_sw_interface_t *
vnet_get_sw_interface (vnet_main_t * vnm, u32 sw_if_index)
{ return pool_elt_at_index (vnm->interface_main.sw_interfaces, sw_if_index); }
always_inline vnet_sw_interface_t *
vnet_get_hw_sw_interface (vnet_main_t * vnm, u32 hw_if_index)
{
vnet_hw_interface_t * hw = vnet_get_hw_interface (vnm, hw_if_index);
vnet_sw_interface_t * sw = vnet_get_sw_interface (vnm, hw->sw_if_index);
ASSERT (sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE);
return sw;
}
always_inline vnet_sw_interface_t *
vnet_get_sup_sw_interface (vnet_main_t * vnm, u32 sw_if_index)
{
vnet_sw_interface_t * sw = vnet_get_sw_interface (vnm, sw_if_index);
if (sw->type == VNET_SW_INTERFACE_TYPE_SUB)
sw = vnet_get_sw_interface (vnm, sw->sup_sw_if_index);
return sw;
}
always_inline vnet_hw_interface_t *
vnet_get_sup_hw_interface (vnet_main_t * vnm, u32 sw_if_index)
{
vnet_sw_interface_t * sw = vnet_get_sup_sw_interface (vnm, sw_if_index);
ASSERT (sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE);
return vnet_get_hw_interface (vnm, sw->hw_if_index);
}
always_inline vnet_hw_interface_class_t *
vnet_get_hw_interface_class (vnet_main_t * vnm, u32 hw_class_index)
{ return vec_elt_at_index (vnm->interface_main.hw_interface_classes, hw_class_index); }
always_inline vnet_device_class_t *
vnet_get_device_class (vnet_main_t * vnm, u32 dev_class_index)
{ return vec_elt_at_index (vnm->interface_main.device_classes, dev_class_index); }
/* Register a hardware interface instance. */
u32 vnet_register_interface (vnet_main_t * vnm,
u32 dev_class_index,
u32 dev_instance,
u32 hw_class_index,
u32 hw_instance);
/* Creates a software interface given template. */
clib_error_t *
vnet_create_sw_interface (vnet_main_t * vnm, vnet_sw_interface_t * template, u32 * sw_if_index);
void vnet_delete_hw_interface (vnet_main_t * vnm, u32 hw_if_index);
void vnet_delete_sw_interface (vnet_main_t * vnm, u32 sw_if_index);
always_inline uword
vnet_sw_interface_get_flags (vnet_main_t * vnm, u32 sw_if_index)
{
vnet_sw_interface_t * sw = vnet_get_sw_interface (vnm, sw_if_index);
return sw->flags;
}
always_inline uword
vnet_sw_interface_is_admin_up (vnet_main_t * vnm, u32 sw_if_index)
{ return (vnet_sw_interface_get_flags (vnm, sw_if_index) & VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0; }
always_inline uword
vnet_hw_interface_get_flags (vnet_main_t * vnm, u32 hw_if_index)
{
vnet_hw_interface_t * hw = vnet_get_hw_interface (vnm, hw_if_index);
return hw->flags;
}
always_inline uword
vnet_hw_interface_is_link_up (vnet_main_t * vnm, u32 hw_if_index)
{ return (vnet_hw_interface_get_flags (vnm, hw_if_index) & VNET_HW_INTERFACE_FLAG_LINK_UP) != 0; }
always_inline vlib_frame_t *
vnet_get_frame_to_sw_interface (vnet_main_t * vnm, u32 sw_if_index)
{
vnet_hw_interface_t * hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
return vlib_get_frame_to_node (vnm->vlib_main, hw->output_node_index);
}
always_inline void
vnet_put_frame_to_sw_interface (vnet_main_t * vnm, u32 sw_if_index, vlib_frame_t * f)
{
vnet_hw_interface_t * hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
return vlib_put_frame_to_node (vnm->vlib_main, hw->output_node_index, f);
}
/* Change interface flags (e.g. up, down, enable, disable). */
clib_error_t *
vnet_hw_interface_set_flags (vnet_main_t * vnm, u32 hw_if_index, u32 flags);
/* Change interface flags (e.g. up, down, enable, disable). */
clib_error_t *
vnet_sw_interface_set_flags (vnet_main_t * vnm, u32 sw_if_index, u32 flags);
/* Change interface class. */
clib_error_t *
vnet_hw_interface_set_class (vnet_main_t * vnm, u32 hw_if_index, u32 new_hw_class_index);
/* Redirect rx pkts to node */
int vnet_hw_interface_rx_redirect_to_node (vnet_main_t * vnm, u32 hw_if_index,
u32 node_index);
void vnet_hw_interface_init_for_class (vnet_main_t * vnm, u32 hw_if_index, u32 hw_class_index, u32 hw_instance);
/* Formats sw/hw interface. */
format_function_t format_vnet_hw_interface;
format_function_t format_vnet_sw_interface;
format_function_t format_vnet_sw_interface_name;
format_function_t format_vnet_sw_if_index_name;
format_function_t format_vnet_sw_interface_flags;
/* Parses sw/hw interface name -> index. */
unformat_function_t unformat_vnet_sw_interface;
unformat_function_t unformat_vnet_hw_interface;
/* Parses interface flags (up, down, enable, disable, etc.) */
unformat_function_t unformat_vnet_hw_interface_flags;
unformat_function_t unformat_vnet_sw_interface_flags;
/* Node runtime for interface output function. */
typedef struct {
u32 hw_if_index;
u32 sw_if_index;
u32 dev_instance;
u32 is_deleted;
} vnet_interface_output_runtime_t;
/* Interface output functions. */
uword
vnet_interface_output_node (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * frame);
uword
vnet_interface_output_node_no_flatten (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * frame);
word vnet_sw_interface_compare (vnet_main_t * vnm, uword sw_if_index0, uword sw_if_index1);
word vnet_hw_interface_compare (vnet_main_t * vnm, uword hw_if_index0, uword hw_if_index1);
typedef enum {
#define _(sym,str) VNET_INTERFACE_OUTPUT_NEXT_##sym,
foreach_intf_output_feat
#undef _
VNET_INTERFACE_OUTPUT_NEXT_DROP,
VNET_INTERFACE_OUTPUT_NEXT_TX,
} vnet_interface_output_next_t;
typedef enum {
VNET_INTERFACE_TX_NEXT_DROP,
VNET_INTERFACE_TX_N_NEXT,
} vnet_interface_tx_next_t;
typedef enum {
VNET_INTERFACE_OUTPUT_ERROR_INTERFACE_DOWN,
VNET_INTERFACE_OUTPUT_ERROR_INTERFACE_DELETED,
} vnet_interface_output_error_t;
/* Format for interface output traces. */
u8 * format_vnet_interface_output_trace (u8 * s, va_list * va);
serialize_function_t serialize_vnet_interface_state, unserialize_vnet_interface_state;
#endif /* included_vnet_interface_funcs_h */
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