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# Copyright (c) 2018 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.

macro(add_vpp_executable exec)
  cmake_parse_arguments(ARG
    "ENABLE_EXPORTS;NO_INSTALL"
    ""
    "SOURCES;LINK_LIBRARIES;DEPENDS"
    ${ARGN}
  )

  add_executable(${exec} ${ARG_SOURCES})
  if(ARG_LINK_LIBRARIES)
    target_link_libraries(${exec} ${ARG_LINK_LIBRARIES})
  endif()
  if(ARG_ENABLE_EXPORTS)
    set_target_properties(${exec} PROPERTIES ENABLE_EXPORTS 1)
  endif()
  if(ARG_DEPENDS)
    add_dependencies(${exec} ${ARG_DEPENDS})
  endif()
  if(NOT ARG_NO_INSTALL)
    install(TARGETS ${exec} DESTINATION ${VPP_RUNTIME_DIR})
  endif()
endmacro()
must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)radix.h 8.2 (Berkeley) 10/31/94 */ #ifndef _NET_RADIX_H_ #define _NET_RADIX_H_ #include <vlib/vlib.h> /* * Radix search tree node layout. */ struct radix_node { struct radix_mask *rn_mklist; /* list of masks contained in subtree */ struct radix_node *rn_p; /* parent */ i16 rn_b; /* bit offset; -1-index(netmask) */ u8 rn_bmask; /* node: mask for bit test*/ u8 rn_flags; /* enumerated next */ #define RNF_NORMAL 1 /* leaf contains normal route */ #define RNF_ROOT 2 /* leaf is root leaf for tree */ #define RNF_ACTIVE 4 /* This node is alive (for rtfree) */ union { struct { /* leaf only data: */ const char *rn_Key; /* object of search */ const char *rn_Mask; /* netmask, if present */ struct radix_node *rn_Dupedkey; } rn_leaf; struct { /* node only data: */ int rn_Off; /* where to start compare */ struct radix_node *rn_L;/* progeny */ struct radix_node *rn_R;/* progeny */ } rn_node; } rn_u; #ifdef RN_DEBUG i32 rn_info; struct radix_node *rn_twin; struct radix_node *rn_ybro; #endif }; #define rn_dupedkey rn_u.rn_leaf.rn_Dupedkey #define rn_key rn_u.rn_leaf.rn_Key #define rn_mask rn_u.rn_leaf.rn_Mask #define rn_off rn_u.rn_node.rn_Off #define rn_l rn_u.rn_node.rn_L #define rn_r rn_u.rn_node.rn_R /* * Annotations to tree concerning potential routes applying to subtrees. */ struct radix_mask { i16 rm_b; /* bit offset; -1-index(netmask) */ i8 rm_unused; /* cf. rn_bmask */ u8 rm_flags; /* cf. rn_flags */ struct radix_mask *rm_mklist; /* more masks to try */ union { const char *rmu_mask; /* the mask */ struct radix_node *rmu_leaf; /* for normal routes */ } rm_rmu; i32 rm_refs; /* # of references to this struct */ }; #define rm_mask rm_rmu.rmu_mask #define rm_leaf rm_rmu.rmu_leaf /* extra field would make 32 bytes */ struct radix_node_head { struct radix_node *rnh_treetop; i32 rnh_addrsize; /* permit, but not require fixed keys */ i32 rnh_pktsize; /* permit, but not require fixed keys */ struct radix_node *(*rnh_addaddr) /* add based on sockaddr */ (const void *v, const void *mask, struct radix_node_head *head, struct radix_node nodes[]); struct radix_node *(*rnh_addpkt) /* add based on packet hdr */ (const void *v, const void *mask, struct radix_node_head *head, struct radix_node nodes[]); struct radix_node *(*rnh_deladdr) /* remove based on sockaddr */ (const void *v, const void *mask, struct radix_node_head *head); struct radix_node *(*rnh_delpkt) /* remove based on packet hdr */ (const void *v, const void *mask, struct radix_node_head *head); struct radix_node *(*rnh_matchaddr) /* locate based on sockaddr */ (const void *v, struct radix_node_head *head); struct radix_node *(*rnh_lookup) /* locate based on sockaddr */ (const void *v, const void *mask, struct radix_node_head *head); struct radix_node *(*rnh_matchpkt) /* locate based on packet hdr */ (const void *v, struct radix_node_head *head); struct radix_node rnh_nodes[3]; /* empty tree for common case */ }; void rn_init(void); int rn_inithead(void **, int); void rn_delayedinit(void **, int); int rn_inithead0(struct radix_node_head *, int); int rn_refines(const void *, const void *); int rn_walktree(struct radix_node_head *, int (*)(struct radix_node *, void *), void *); struct radix_node * rn_search_matched(struct radix_node_head *, int (*)(struct radix_node *, void *), void *); struct radix_node *rn_addmask(const void *, int, int), *rn_addroute(const void *, const void *, struct radix_node_head *, struct radix_node [2]), *rn_delete1(const void *, const void *, struct radix_node_head *, struct radix_node *), *rn_delete(const void *, const void *, struct radix_node_head *), *rn_insert(const void *, struct radix_node_head *, int *, struct radix_node [2]), *rn_lookup(const void *, const void *, struct radix_node_head *), *rn_match(const void *, struct radix_node_head *), *rn_newpair(const void *, int, struct radix_node[2]), *rn_search(const void *, struct radix_node *), *rn_search_m(const void *, struct radix_node *, const void *); #endif /* !_NET_RADIX_H_ */