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Commit | Line | Data |
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b9436cda DM |
1 | package PVE::Network; |
2 | ||
3 | use strict; | |
4 | use PVE::Tools; | |
5 | use PVE::ProcFSTools; | |
6 | use PVE::INotify; | |
7 | use File::Basename; | |
8 | ||
9 | # host network related utility functions | |
10 | ||
11 | sub copy_bridge_config { | |
12 | my ($br0, $br1) = @_; | |
13 | ||
14 | return if $br0 eq $br1; | |
15 | ||
16 | my $br_configs = [ 'ageing_time', 'stp_state', 'priority', 'forward_delay', | |
17 | 'hello_time', 'max_age']; | |
18 | ||
19 | foreach my $sysname (@$br_configs) { | |
20 | eval { | |
21 | my $v0 = PVE::Tools::file_read_firstline("/sys/class/net/$br0/bridge/$sysname"); | |
22 | my $v1 = PVE::Tools::file_read_firstline("/sys/class/net/$br1/bridge/$sysname"); | |
23 | if ($v0 ne $v1) { | |
24 | system("echo \"$v0\" > /sys/class/net/$br1/bridge/$sysname") == 0 || | |
25 | warn "unable to set bridge config '$sysname'\n"; | |
26 | } | |
27 | }; | |
28 | warn $@ if $@; | |
29 | } | |
30 | } | |
31 | ||
32 | sub activate_bridge_vlan { | |
33 | my ($bridge, $tag_param) = @_; | |
34 | ||
35 | die "bridge '$bridge' is not active\n" if ! -d "/sys/class/net/$bridge"; | |
36 | ||
37 | return $bridge if !defined($tag_param); # no vlan, simply return | |
38 | ||
39 | my $tag = int($tag_param); | |
40 | ||
41 | die "got strange vlan tag '$tag_param'\n" if $tag < 1 || $tag > 4094; | |
42 | ||
43 | my $bridgevlan = "${bridge}v$tag"; | |
44 | ||
45 | my $dir = "/sys/class/net/$bridge/brif"; | |
46 | ||
47 | #check if we have an only one ethX or bondX interface in the bridge | |
48 | ||
49 | my $iface; | |
50 | PVE::Tools::dir_glob_foreach($dir, '((eth|bond)\d+)', sub { | |
51 | my ($slave) = @_; | |
52 | ||
53 | die "more then one physical interfaces on bridge '$bridge'\n" if $iface; | |
54 | $iface = $slave; | |
55 | ||
56 | }); | |
57 | ||
58 | die "no physical interface on bridge '$bridge'\n" if !$iface; | |
59 | ||
60 | my $ifacevlan = "${iface}.$tag"; | |
61 | ||
62 | # create vlan on $iface is not already exist | |
63 | if (! -d "/sys/class/net/$ifacevlan") { | |
64 | system("/sbin/vconfig add $iface $tag") == 0 || | |
65 | die "can't add vlan tag $tag to interface $iface\n"; | |
66 | } | |
67 | ||
68 | # be sure to have the $ifacevlan up | |
69 | system("/sbin/ip link set $ifacevlan up") == 0 || | |
70 | die "can't up interface $ifacevlan\n"; | |
71 | ||
72 | # test if $vlaniface is already enslaved in another bridge | |
73 | my $path= "/sys/class/net/$ifacevlan/brport/bridge"; | |
74 | if (-l $path) { | |
75 | my $tbridge = basename(readlink($path)); | |
76 | if ($tbridge eq $bridgevlan) { | |
77 | # already member of bridge - assume setup is already done | |
78 | return $bridgevlan; | |
79 | } else { | |
80 | die "interface $ifacevlan already exist in bridge $tbridge\n"; | |
81 | } | |
82 | } | |
83 | ||
84 | # add bridgevlan if it doesn't already exist | |
85 | if (! -d "/sys/class/net/$bridgevlan") { | |
86 | system("/usr/sbin/brctl addbr $bridgevlan") == 0 || | |
87 | die "can't add bridge $bridgevlan\n"; | |
88 | } | |
89 | ||
90 | #fixme: set other bridge flags | |
91 | ||
92 | # be sure to have the bridge up | |
93 | system("/sbin/ip link set $bridgevlan up") == 0 || | |
94 | die "can't up bridge $bridgevlan\n"; | |
95 | ||
96 | # add $ifacevlan to the bridge | |
97 | system("/usr/sbin/brctl addif $bridgevlan $ifacevlan") == 0 || | |
98 | die "can't add interface $ifacevlan to bridge $bridgevlan\n"; | |
99 | ||
100 | return $bridgevlan; | |
101 | } | |
102 | ||
103 | 1; |