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path: root/ctrl/facemgr/src/CMakeLists.txt
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# Copyright (c) 2017-2019 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.

if(UNIX AND NOT APPLE)
    set(LINUX TRUE)
endif()

set(COMPILER_DEFINITIONS
  "-DWITH_POLICY"
)

set(HEADER_FILES
#cache.h
    common.h
    error.h
    event.h
    face.h
    face_cache.h
    face_rules.h
    interface.h
    interface_map.h
    interface_ops_map.h
    util/hash.h
    util/ip_address.h
    util/log.h
    util/map.h
    util/policy.h
    util/set.h
    util/token.h
    util/types.h

)

set(SOURCE_FILES
#   cache.c
    error.c
    event.c
    face.c
    face_cache.c
    face_rules.c
    interface.c
    interface_map.c
    interface_ops_map.c
    facemgr.c
    util/log.c
    util/policy.c
)

set(INCLUDE_DIRS
    ./
    ../includes/
    ${CONFIG_INCLUDE_DIR}
    ${LIBEVENT_INCLUDE_DIR}
    ${LIBHICNCTRL_INCLUDE_DIRS}
)

set(LIBRARIES
    ${CONFIG_LIBRARY}
    ${LIBEVENT_LIBRARY}
    ${LIBHICNCTRL_LIBRARIES}
)

add_subdirectory(interfaces)

if (ANDROID_API)
    build_library(${FACE_MGR}
        STATIC
        SOURCES ${SOURCE_FILES}
        INSTALL_HEADERS ${TO_INSTALL_HEADER_FILES}
        DEPENDS ${DEPENDENCIES}
        COMPONENT ${FACE_MGR}
        INCLUDE_DIRS ${INCLUDE_DIRS}
        INSTALL_ROOT_DIR hicn
        DEFINITIONS ${COMPILER_DEFINITIONS}
    )
else ()
    build_library(${FACE_MGR}
        STATIC NO_DEV
        SOURCES ${SOURCE_FILES}
        INSTALL_HEADERS ${TO_INSTALL_HEADER_FILES}
        DEPENDS ${DEPENDENCIES}
        COMPONENT ${FACE_MGR}
        INCLUDE_DIRS ${INCLUDE_DIRS}
        INSTALL_ROOT_DIR hicn
        DEFINITIONS ${COMPILER_DEFINITIONS}
    )
endif ()

if(NOT ANDROID_API AND NOT COMPILE_FOR_IOS)
    list(APPEND DAEMON_SRC
      main.c
    )

    build_executable(${FACE_MGR}
      SOURCES ${DAEMON_SRC}
      LINK_LIBRARIES ${FACE_MGR}.static ${LIBRARIES}
      DEPENDS ${FACE_MGR}.static
      COMPONENT ${FACE_MGR}
      INCLUDE_DIRS ${INCLUDE_DIRS}
      DEFINITIONS ${COMPILER_DEFINITIONS}
    )
endif ()
ng.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */ }
/*
 *------------------------------------------------------------------
 * gre_api.c - gre api
 *
 * Copyright (c) 2016 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.
 *------------------------------------------------------------------
 */

#include <vnet/vnet.h>
#include <vlibmemory/api.h>

#include <vnet/interface.h>
#include <vnet/api_errno.h>

#include <vnet/gre/gre.h>
#include <vnet/fib/fib_table.h>

#include <vnet/vnet_msg_enum.h>

#define vl_typedefs		/* define message structures */
#include <vnet/vnet_all_api_h.h>
#undef vl_typedefs

#define vl_endianfun		/* define message structures */
#include <vnet/vnet_all_api_h.h>
#undef vl_endianfun

/* instantiate all the print functions we know about */
#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
#define vl_printfun
#include <vnet/vnet_all_api_h.h>
#undef vl_printfun

#include <vlibapi/api_helper_macros.h>

#define foreach_vpe_api_msg                             \
_(GRE_ADD_DEL_TUNNEL, gre_add_del_tunnel)               \
_(GRE_TUNNEL_DUMP, gre_tunnel_dump)

static void vl_api_gre_add_del_tunnel_t_handler
  (vl_api_gre_add_del_tunnel_t * mp)
{
  vl_api_gre_add_del_tunnel_reply_t *rmp;
  int rv = 0;
  vnet_gre_add_del_tunnel_args_t _a, *a = &_a;
  u32 outer_fib_id;
  uword *p;
  ip4_main_t *im = &ip4_main;
  u32 sw_if_index = ~0;

  p = hash_get (im->fib_index_by_table_id, ntohl (mp->outer_fib_id));
  if (!p)
    {
      rv = VNET_API_ERROR_NO_SUCH_FIB;
      goto out;
    }
  outer_fib_id = p[0];

  /* Check src & dst are different */
  if ((mp->is_ipv6 && memcmp (mp->src_address, mp->dst_address, 16) == 0) ||
      (!mp->is_ipv6 && memcmp (mp->src_address, mp->dst_address, 4) == 0))
    {
      rv = VNET_API_ERROR_SAME_SRC_DST;
      goto out;
    }
  memset (a, 0, sizeof (*a));

  a->is_add = mp->is_add;
  a->teb = mp->teb;

  /* ip addresses sent in network byte order */
  clib_memcpy (&(a->src), mp->src_address, 4);
  clib_memcpy (&(a->dst), mp->dst_address, 4);

  a->outer_fib_id = outer_fib_id;
  rv = vnet_gre_add_del_tunnel (a, &sw_if_index);

out:
  /* *INDENT-OFF* */
  REPLY_MACRO2(VL_API_GRE_ADD_DEL_TUNNEL_REPLY,
  ({
    rmp->sw_if_index = ntohl (sw_if_index);
  }));
  /* *INDENT-ON* */
}

static void send_gre_tunnel_details
  (gre_tunnel_t * t, unix_shared_memory_queue_t * q, u32 context)
{
  vl_api_gre_tunnel_details_t *rmp;
  ip4_main_t *im = &ip4_main;

  rmp = vl_msg_api_alloc (sizeof (*rmp));
  memset (rmp, 0, sizeof (*rmp));
  rmp->_vl_msg_id = ntohs (VL_API_GRE_TUNNEL_DETAILS);
  clib_memcpy (rmp->src_address, &(t->tunnel_src), 4);
  clib_memcpy (rmp->dst_address, &(t->tunnel_dst), 4);
  rmp->outer_fib_id = htonl (im->fibs[t->outer_fib_index].ft_table_id);
  rmp->teb = (GRE_TUNNEL_TYPE_TEB == t->type);
  rmp->sw_if_index = htonl (t->sw_if_index);
  rmp->context = context;

  vl_msg_api_send_shmem (q, (u8 *) & rmp);
}

static void
vl_api_gre_tunnel_dump_t_handler (vl_api_gre_tunnel_dump_t * mp)
{
  unix_shared_memory_queue_t *q;
  gre_main_t *gm = &gre_main;
  gre_tunnel_t *t;
  u32 sw_if_index;

  q = vl_api_client_index_to_input_queue (mp->client_index);
  if (q == 0)
    {
      return;
    }

  sw_if_index = ntohl (mp->sw_if_index);

  if (~0 == sw_if_index)
    {
      /* *INDENT-OFF* */
      pool_foreach (t, gm->tunnels,
      ({
        send_gre_tunnel_details(t, q, mp->context);
      }));
      /* *INDENT-ON* */
    }
  else
    {
      if ((sw_if_index >= vec_len (gm->tunnel_index_by_sw_if_index)) ||
	  (~0 == gm->tunnel_index_by_sw_if_index[sw_if_index]))
	{
	  return;
	}
      t = &gm->tunnels[gm->tunnel_index_by_sw_if_index[sw_if_index]];
      send_gre_tunnel_details (t, q, mp->context);
    }
}

/*
 * gre_api_hookup
 * Add vpe's API message handlers to the table.
 * vlib has alread mapped shared memory and
 * added the client registration handlers.
 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
 */
#define vl_msg_name_crc_list
#include <vnet/vnet_all_api_h.h>
#undef vl_msg_name_crc_list

static void
setup_message_id_table (api_main_t * am)
{
#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
  foreach_vl_msg_name_crc_gre;
#undef _
}

static clib_error_t *
gre_api_hookup (vlib_main_t * vm)
{
  api_main_t *am = &api_main;

#define _(N,n)                                                  \
    vl_msg_api_set_handlers(VL_API_##N, #n,                     \
                           vl_api_##n##_t_handler,              \
                           vl_noop_handler,                     \
                           vl_api_##n##_t_endian,               \
                           vl_api_##n##_t_print,                \
                           sizeof(vl_api_##n##_t), 1);
  foreach_vpe_api_msg;
#undef _

  /*
   * Set up the (msg_name, crc, message-id) table
   */
  setup_message_id_table (am);

  return 0;
}

VLIB_API_INIT_FUNCTION (gre_api_hookup);

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