blob: b29af801894dae795af2e75b01a73afef208833f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
# Copyright (c) 2007-2008 Roy Marples <roy@marples.name>
# Released under the 2-clause BSD license.
vlan_depend()
{
program ip
after interface
before dhcp
}
_config_vars="$_config_vars vlans"
_is_vlan()
{
[ ! -d /proc/net/vlan ] && return 1
[ -e /proc/net/vlan/"${IFACE}" ] && return 0
grep -Eq "^${IFACE}[[:space:]]+" /proc/net/vlan/config
}
_get_vlans()
{
[ -e /proc/net/vlan/config ] || return 1
sed -n -e 's/^\W*\([^ ]*\) \(.* \) .*'"${IFACE}"'$/\1/p' /proc/net/vlan/config
}
_check_vlan()
{
if [ ! -d /proc/net/vlan ]; then
modprobe 8021q
if [ ! -d /proc/net/vlan ]; then
eerror "VLAN (802.1q) support is not present in this kernel"
return 1
fi
fi
}
vlan_pre_start()
{
local vconfig
eval vconfig=\$vconfig_${IFVAR}
if [ -n "${vconfig}" ]; then
eerror "You must convert your vconfig_ VLAN entries to vlan${N} entries."
return 1
fi
local vlans=
eval vlans=\$vlans_${IFVAR}
[ -z "$vlans" ] && return 0
case " ${MODULES} " in
*" ifconfig "*)
eerror "sys-apps/iproute2 is required to configure VLANs"
return 1 ;;
esac
}
vlan_post_start()
{
local vlans=
eval vlans=\$vlans_${IFVAR}
[ -z "${vlans}" ] && return 0
_check_vlan || return 1
_exists || return 1
local vlan= e= s= vname= vflags= vingress= vegress=
for vlan in ${vlans}; do
einfo "Adding VLAN ${vlan} to ${IFACE}"
# We need to gather all interface configuration options
# 1) naming. Default to the standard "${IFACE}.${vlan}" but it can be anything
eval vname=\$${IFACE}_vlan${vlan}_name
[ -z "${vname}" ] && eval vname=\$vlan${vlan}_name
[ -z "${vname}" ] && vname="${IFACE}.${vlan}"
# 2) flags
eval vflags=\$${IFACE}_vlan${vlan}_flags
[ -z "${vname}" ] && eval vflags=\$vlan${vlan}_flags
# 3) ingress/egress map
eval vingress=\$${IFACE}_vlan${vlan}_ingress
[ -z "${vingress}" ] && eval vingress=\$vlan${vlan}_ingress
[ -z "${vingress}" ] || vingress="ingress-qos-map ${vingress}"
eval vegress=\$${IFACE}_vlan${vlan}_egress
[ -z "${vegress}" ] && eval vegress=\$vlan${vlan}_egress
[ -z "${vegress}" ] || vegress="egress-qos-map ${vegress}"
# txqueue
local txqueuelen=
eval txqueuelen=\$txqueuelen_${IFACE}_vlan${vlan}
[ -z "${txqueuelen}" ] && eval txqueuelen=\$txqueuelen_vlan${vlan}
# mac
local mac=
eval mac=\$mac_${IFACE}_vlan${vlan}
[ -z "${mac}" ] && eval mac=\$mac_vlan${vlan}
# broadcast
local broadcast=
eval broadcast=\$broadcast_${IFACE}_vlan${vlan}
[ -z "${broadcast}" ] && eval broadcast=\$broadcast_vlan${vlan}
# mtu
local mtu=
eval mtu=\$mtu_${IFACE}_vlan${vlan}
[ -z "${mtu}" ] && eval mtu=\$mtu_vlan${vlan}
# combine it all
local opts="${txqueuelen:+txqueuelen} ${txqueuelen} ${mac:+address} ${mac} ${broadcast:+broadcast} ${broadcast} ${mtu:+mtu} ${mtu}"
veinfo "ip link add link \"${IFACE}\" name \"${vname}\" ${opts} type vlan id \"${vlan}\" ${vflags} ${vingress} ${vegress}"
e="$(ip link add link "${IFACE}" name "${vname}" ${opts} type vlan id "${vlan}" ${vflags} ${vingress} ${vegress} 2>&1 1>/dev/null)"
if [ -n "${e}" ]; then
eend 1 "${e}"
continue
fi
# We may not want to start the vlan ourselves
eval s=\$vlan_start_${IFVAR}
yesno ${s:-yes} || continue
# We need to work out the interface name of our new vlan id
local ifname="$(sed -n -e \
's/^\([^[:space:]]*\) *| '"${vlan}"' *| .*'"${IFACE}"'$/\1/p' \
/proc/net/vlan/config )"
mark_service_started "net.${ifname}"
(
export RC_SVCNAME="net.${ifname}"
start
) || mark_service_stopped "net.${ifname}"
done
return 0
}
vlan_pre_stop()
{
local vlan=
_exists || return 0
for vlan in $(_get_vlans); do
einfo "Removing VLAN ${vlan##*.} from ${IFACE}"
(
export RC_SVCNAME="net.${vlan}"
stop
) && {
mark_service_stopped "net.${vlan}"
ip link delete "${vlan}" type vlan >/dev/null
}
done
return 0
}
|
