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path: root/src/plugins/crypto_openssl/FEATURE.yaml
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---
name: IPSec crypto engine provided by Openssl library
maintainer: Damjan Marion <damarion@cisco.com>
features:
  - SHA(1, 224, 256, 384, 512)
  - CBC(128, 192, 256)
  - GCM(128, 192, 256)
  - CTR(128, 192, 256)
  - DES, 3DES
  - MD5

description: "openssl crypto-engine"
state: production
properties: [API, CLI, MULTITHREAD]
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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_sw_interface_safe (vnet_main_t * vnm, u32 sw_if_index)
{
  if (!pool_is_free_index (vnm->interface_main.sw_interfaces, sw_if_index))
    return pool_elt_at_index (vnm->interface_main.sw_interfaces, sw_if_index);
  return (NULL);
}

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);
}

static inline u8 *
vnet_get_sw_interface_tag (vnet_main_t * vnm, u32 sw_if_index)
{
  uword *p;
  p = hash_get (vnm->interface_tag_by_sw_if_index, sw_if_index);
  if (p)
    return ((u8 *) p[0]);
  return 0;
}

static inline void
vnet_set_sw_interface_tag (vnet_main_t * vnm, u8 * tag, u32 sw_if_index)
{
  uword *p;
  p = hash_get (vnm->interface_tag_by_sw_if_index, sw_if_index);
  if (p)
    {
      u8 *oldtag = (u8 *) p[0];
      hash_unset (vnm->interface_tag_by_sw_if_index, sw_if_index);
      vec_free (oldtag);
    }

  hash_set (vnm->interface_tag_by_sw_if_index, sw_if_index, tag);
}

static inline void
vnet_clear_sw_interface_tag (vnet_main_t * vnm, u32 sw_if_index)
{
  uword *p;
  p = hash_get (vnm->interface_tag_by_sw_if_index, sw_if_index);
  if (p)
    {
      u8 *oldtag = (u8 *) p[0];
      hash_unset (vnm->interface_tag_by_sw_if_index, sw_if_index);
      vec_free (oldtag);
    }
}

/**
 * Call back walk type for walking SW indices on a HW interface
 */
typedef void (*vnet_hw_sw_interface_walk_t) (vnet_main_t * vnm,
					     u32 sw_if_index, void *ctx);

/**
 * @brief
 * Walk the SW interfaces on a HW interface - this is the super
 * interface and any sub-interfaces.
 */
void vnet_hw_interface_walk_sw (vnet_main_t * vnm,
				u32 hw_if_index,
				vnet_hw_sw_interface_walk_t fn, void *ctx);

/* 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);
int vnet_sw_interface_is_p2p (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_get_mtu (vnet_main_t * vnm, u32 hw_if_index,
			   vlib_rx_or_tx_t dir)
{
  vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
  return hw->max_l3_packet_bytes[dir];
}

always_inline uword
vnet_sw_interface_get_mtu (vnet_main_t * vnm, u32 sw_if_index,
			   vlib_rx_or_tx_t dir)
{
  vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
  return (hw->max_l3_packet_bytes[dir]);
}

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);

/* Rename interface */
clib_error_t *vnet_rename_interface (vnet_main_t * vnm, u32 hw_if_index,
				     char *new_name);

/* Change interface mac address*/
clib_error_t *vnet_hw_interface_change_mac_address (vnet_main_t * vnm,
						    u32 hw_if_index,
						    u64 mac_address);

/* 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_interface_name_override;
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. */
void *vnet_interface_output_node_multiarch_select (void);
void *vnet_interface_output_node_flatten_multiarch_select (void);

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
{
  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;

#define VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT VNET_INTERFACE_TX_N_NEXT

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 */

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */