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1 | #!/bin/bash |
2 | ############################################################################### | |
3 | # # | |
4 | # IPFire.org - A linux based firewall # | |
5 | # Copyright (C) 2012 IPFire Network Development Team # | |
6 | # # | |
7 | # This program is free software: you can redistribute it and/or modify # | |
8 | # it under the terms of the GNU General Public License as published by # | |
9 | # the Free Software Foundation, either version 3 of the License, or # | |
10 | # (at your option) any later version. # | |
11 | # # | |
12 | # This program is distributed in the hope that it will be useful, # | |
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # | |
15 | # GNU General Public License for more details. # | |
16 | # # | |
17 | # You should have received a copy of the GNU General Public License # | |
18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. # | |
19 | # # | |
20 | ############################################################################### | |
21 | ||
22 | MACVLAN_PORT_INTERFIX="mv" | |
23 | ||
24 | function macvlan_create() { | |
25 | local device=${1} | |
26 | assert isset device | |
27 | ||
28 | local parent=${2} | |
29 | assert isset parent | |
30 | ||
31 | local address=${3} | |
32 | assert ismac address | |
33 | ||
34 | # Check if the parent device exists. | |
35 | if ! device_exists ${parent}; then | |
36 | log ERROR "macvlan: parent device '${parent}' does not exist" | |
37 | return ${EXIT_ERROR} | |
38 | fi | |
39 | ||
40 | # Check if the device we want to create does not already exist. | |
41 | if device_exists ${device}; then | |
42 | log ERROR "macvlan: device '${device}' already exists" | |
43 | return ${EXIT_ERROR} | |
44 | fi | |
45 | ||
46 | # The macvlan device cannot be created, when the parent device | |
47 | # is attached to a bridge. So we detach the parent device and | |
48 | # reattach it again. | |
49 | local bridge | |
50 | if device_is_bridge_attached ${parent}; then | |
51 | bridge=$(device_get_bridge ${parent}) | |
52 | ||
53 | # Detach the parent device. | |
54 | bridge_detach_device ${bridge} ${parent} | |
55 | fi | |
56 | ||
57 | # Actually create the device. | |
58 | cmd_quiet ip link add link ${parent} name ${device} address ${address} \ | |
59 | type macvlan | |
60 | local ret=$? | |
61 | ||
62 | if [ ${ret} -eq ${EXIT_OK} ]; then | |
63 | log DEBUG "macvlan device '${device}' has been created" | |
64 | else | |
65 | log ERROR "Could not create macvlan device '${device}': ${ret}" | |
66 | fi | |
67 | ||
68 | # Re-attach device. | |
69 | if isset bridge; then | |
70 | bridge_attach_device ${bridge} ${parent} | |
71 | fi | |
72 | ||
73 | return ${ret} | |
74 | } | |
75 | ||
76 | function macvlan_remove() { | |
77 | local device=${1} | |
78 | assert isset device | |
79 | ||
80 | device_delete ${device} | |
81 | } |