2014-07-30 13:22:24 +00:00
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#
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# Copyright (C) 2014 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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include $(TOPDIR)/rules.mk
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PKG_NAME:=gre
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PKG_VERSION:=1
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gre: add different per-protocol prefixes to GRE-TAP IPv4/6 tunnel interfaces.
This commit modifies the /lib/netifd/proto/gre.sh script so that, when
GRE-TAP tunnels are created, either IPv4 or IPv6, the prefix before the chosen
interface name contains the "tap" substring, to differentiate them from non-TAP
GRE tunnels.
Right now, both GRE and GRE-TAP tunnel (either IPv4 or IPv6) interfaces defined
in /etc/config/network are named equally ("gre-"+$ifname or "grev6"+$ifname)
upon creation. For instance, the following tunnels:
config interface 'tuna'
option peeraddr '172.30.22.1'
option proto 'gre'
config interface 'tunb'
option peeraddr '192.168.233.4'
option proto 'gretap'
config interface 'tunc'
option peer6addr 'fdc5:7c9e:e93d:45af::1'
option proto 'grev6'
config interface 'tund'
option peer6addr 'fdc0:6071:1348:31ff::2'
option proto 'grev6tap'
are named, respectively, "gre-tuna", "gre-tunb", "grev6-tunc" and "grev6-tund".
The current change makes that each GRE tunnel interface of the four different
types available (gre, gretap, grev6 and grev6tap) gets a different prefix.
Therefore, the abovementioned tunnels will be named, respectively:
"gre4-tuna", "gre4t-tunb", "gre6-tunc" and "gre6t-tund".
This is coherent with other types of virtual interfaces (i.e. PPP, PPPoE, PPPoA)
where the whole protocol name is used. For instance, a PPPoA interface named
"p1" and a PPPoE interface named "p2" will respectively appear as "pppoa-p1"
and "pppoe-p2", not as "ppp-p1" and "ppp-p2").
Since Linux interfaces names are limited to 15 characters, these prefixes leave,
for the worst case (TAP tunnels), 9 characters for the actual name.
Signed-off-by: Roger Pueyo Centelles <roger.pueyo@guifi.net>
2016-11-02 12:18:01 +00:00
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PKG_RELEASE:=6
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2014-11-02 12:20:54 +00:00
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PKG_LICENSE:=GPL-2.0
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2014-07-30 13:22:24 +00:00
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include $(INCLUDE_DIR)/package.mk
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define Package/gre/Default
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SECTION:=net
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CATEGORY:=Network
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MAINTAINER:=Hans Dedecker <dedeckeh@gmail.com>
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endef
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define Package/gre
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$(call Package/gre/Default)
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TITLE:=Generic Routing Encapsulation config support
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endef
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define Package/gre/description
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Generic Routing Encapsulation config support (IPv4 and IPv6) in /etc/config/network.
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endef
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define Package/grev4
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$(call Package/gre/Default)
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TITLE:=Generic Routing Encapsulation (IPv4) config support
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2016-10-03 08:56:45 +00:00
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DEPENDS:=@(PACKAGE_gre) +kmod-gre +resolveip
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2014-07-30 13:22:24 +00:00
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endef
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define Package/grev4/description
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Generic Routing Encapsulation config support (IPv4) in /etc/config/network.
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endef
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define Package/grev6
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$(call Package/gre/Default)
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TITLE:=Generic Routing Encapsulation (IPv6) config support
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2016-10-03 08:56:45 +00:00
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DEPENDS:=@(PACKAGE_gre) @IPV6 +kmod-gre6 +resolveip
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2014-07-30 13:22:24 +00:00
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endef
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define Package/grev6/description
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Generic Routing Encapsulation config support (IPv6) in /etc/config/network.
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endef
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define Build/Compile
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endef
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define Build/Configure
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endef
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define Package/gre/install
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$(INSTALL_DIR) $(1)/lib/netifd/proto
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$(INSTALL_BIN) ./files/gre.sh $(1)/lib/netifd/proto/gre.sh
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endef
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2016-11-08 14:26:47 +00:00
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define Package/grev4/install
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:
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endef
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define Package/grev6/install
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:
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endef
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2014-07-30 13:22:24 +00:00
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$(eval $(call BuildPackage,gre))
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$(eval $(call BuildPackage,grev4))
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$(eval $(call BuildPackage,grev6))
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