nuttx/net/route/Make.defs
Gregory Nutt ae78a925eb Add support for an in-memory routing table cache in order to improve performance when the routing table is retained in a file. The cache holds the most recently used routing table entries and so can eliminate some file access.
Squashed commit of the following:

    net/route:  Flush in cache when any entry is deleted from the routing table.  When a router matching an IP address is found, add the routing table entry to the cache.

    net/route:  Add utility functions to manage an in-memory cache to improve performance when use a file-based routing table.
2017-09-29 12:04:45 -06:00

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############################################################################
# net/route/Make.defs
#
# Copyright (C) 2014, 2017 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form 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 NuttX 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 COPYRIGHT HOLDERS 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
# COPYRIGHT OWNER 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.
#
############################################################################
ifeq ($(CONFIG_NET_ROUTE),y)
# General routing table support
SOCK_CSRCS += net_initroute.c net_router.c netdev_router.c
# Support in-memory, RAM-based routing tables
ifeq ($(CONFIG_ROUTE_IPv4_RAMROUTE),y)
SOCK_CSRCS += net_alloc_ramroute.c net_add_ramroute.c net_del_ramroute.c
SOCK_CSRCS += net_queue_ramroute.c net_foreach_ramroute.c
else ifeq ($(CONFIG_ROUTE_IPv6_RAMROUTE),y)
SOCK_CSRCS += net_alloc_ramroute.c net_add_ramroute.c net_del_ramroute.c
SOCK_CSRCS += net_queue_ramroute.c net_foreach_ramroute.c
endif
# Support for in-memory, read-only (ROM) routing tables
ifeq ($(CONFIG_ROUTE_IPv4_ROMROUTE),y)
SOCK_CSRCS += net_foreach_romroute.c
else ifeq ($(CONFIG_ROUTE_IPv6_ROMROUTE),y)
SOCK_CSRCS += net_foreach_romroute.c
endif
# Support for routing tables in files
ifeq ($(CONFIG_ROUTE_IPv4_FILEROUTE),y)
SOCK_CSRCS += net_fileroute.c net_add_fileroute.c net_del_fileroute.c
SOCK_CSRCS += net_foreach_fileroute.c
else ifeq ($(CONFIG_ROUTE_IPv6_FILEROUTE),y)
SOCK_CSRCS += net_fileroute.c net_add_fileroute.c net_del_fileroute.c
SOCK_CSRCS += net_foreach_fileroute.c
endif
# In-memory cache for file-based routing tables
ifeq ($(CONFIG_ROUTE_IPv4_CACHEROUTE),y)
SOCK_CSRCS += net_cacheroute.c
else ifeq ($(CONFIG_ROUTE_IPv6_CACHEROUTE),y)
SOCK_CSRCS += net_cacheroute.c
endif
ifeq ($(CONFIG_DEBUG_NET_INFO),y)
SOCK_CSRCS += net_dumproute.c
endif
# Include routing table build support
DEPPATH += --dep-path route
VPATH += :route
endif