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authorRoger Pueyo Centelles <roger.pueyo@guifi.net>2016-11-02 13:18:01 +0100
committerJo-Philipp Wich <jo@mein.io>2017-01-03 14:36:37 +0100
commitc6d3a62919a7f993be625391d8593c84423aa021 (patch)
treecf5d4e529ede9c3cb6bd76aebb8844ce2e54af90 /package/kernel/kmod-sched-cake
parent15d8d9c271507cd272b264e0bf9deb20030723a2 (diff)
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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>
Diffstat (limited to 'package/kernel/kmod-sched-cake')
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