[people/ms/network.git] / functions.device

#!/bin/bash
###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2010  Michael Tremer & Christian Schmidt                      #
#                                                                             #
# This program is free software: you can redistribute it and/or modify        #
# it under the terms of the GNU General Public License as published by        #
# the Free Software Foundation, either version 3 of the License, or           #
# (at your option) any later version.                                         #
#                                                                             #
# This program is distributed in the hope that it will be useful,             #
# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
# GNU General Public License for more details.                                #
#                                                                             #
# You should have received a copy of the GNU General Public License           #
# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################

function devicify() {
	local device=${1}

	assert isset device

	if device_exists ${device}; then
		echo "${device}"
		return ${EXIT_OK}
	fi

	local d
	for d in $(devices_get_all); do
		if [ "$(device_get_address ${d})" = "${device}" ]; then
			echo "${d}"
			return ${EXIT_OK}
		fi
	done

	return ${EXIT_ERROR}
}

function macify() {
	local device=${1}

	assert isset device

	if mac_is_valid ${device}; then
		echo "${device}"
		return ${EXIT_OK}
	fi

	if device_exists ${device}; then
		device_get_address ${device}
		return ${EXIT_OK}
	fi

	return ${EXIT_ERROR}
}

# Check if the device exists
function device_exists() {
	local device=${1}

	# If device name was not found, exit.
	[ -n "${device}" ] || return ${EXIT_ERROR}

	[ -d "${SYS_CLASS_NET}/${device}" ]
}

function device_has_flag() {
	local device=${1}
	local flag=${2}

	local flags=$(__device_get_file ${device} flags)

	if [[ "$(( ${flags} & ${flag} ))" -eq 0 ]]; then
		return ${EXIT_FALSE}
	else
		return ${EXIT_TRUE}
	fi
}

# Check if the device is up
function device_is_up() {
	local device=${1}

	device_exists ${device} || return ${EXIT_ERROR}

	device_has_flag ${device} 0x1
}

# Check if the device is a bonding device
function device_is_bonding() {
	[ -d "/sys/class/net/${1}/bonding" ]
}

# Check if the device bonded in a bonding device
function device_is_bonded() {
	local device=${1}

	[ -d "${SYS_CLASS_NET}/${device}/master" ]
}

# Check if the device is a bridge
function device_is_bridge() {
	[ -d "/sys/class/net/${1}/bridge" ]
}

function device_is_bridge_attached() {
	local device=${1}

	[ -d "${SYS_CLASS_NET}/${device}/brport" ]
}

# Check if the device is a virtual device
function device_is_virtual() {
	local device=${1}

	[ -e "/proc/net/vlan/${device}" ]
}

# Check if the device has virtual devices
function device_has_virtuals() {
	local device=${1}

	if device_is_virtual ${device}; then
		return ${EXIT_FALSE}
	fi

	local virtuals=$(device_get_virtuals ${device})
	[ -n "${virtuals}" ] && return ${EXIT_OK} || return ${EXIT_ERROR}
}

function device_get_virtuals() {
	local device=${1}

	local dev spacer1 id spacer2 parent
	while read dev spacer1 id spacer2 parent; do
		[ "${parent}" = "${device}" ] && echo "${dev}"
	done < /proc/net/vlan/config | sort
}

# Check if the device is a ppp device
function device_is_ppp() {
	local device=${1}

	local type=$(__device_get_file ${device} type)

	[ "${type}" = "512" ] && return ${EXIT_OK} || return ${EXIT_ERROR}
}

# Check if the device is a pointopoint device.
function device_is_ptp() {
	local device=${1}

	device_has_flag ${device} 0x10
}

# Check if the device is a loopback device
function device_is_loopback() {
	local device=${1}

	[ "${device}" = "lo" ]
}

# Check if the device is a wireless device
function device_is_wireless() {
	local device=${1}

	[ -d "${SYS_CLASS_NET}/${device}/phy80211" ]
}

# Check if the device is a physical network interface
function device_is_ethernet() {
	local device=${1}

	device_is_loopback ${device} && \
		return ${EXIT_ERROR}

	device_is_bonding ${device} &&  \
		return ${EXIT_ERROR}

	device_is_bridge ${device} && \
		return ${EXIT_ERROR}

	device_is_ppp ${device} && \
		return ${EXIT_ERROR}

	device_is_virtual ${device} && \
		return ${EXIT_ERROR}

	[ "$(__device_get_file ${device} type)" != "1" ] && \
		return ${EXIT_ERROR}

	return ${EXIT_OK}
}

# Get the device type
function device_get_type() {
	local device=${1}

	if device_is_virtual ${device}; then
		echo "vlan"

	elif device_is_bonding ${device}; then
		echo "bonding"

	elif device_is_bridge ${device}; then
		echo "bridge"

	elif device_is_ppp ${device}; then
		echo "ppp"

	elif device_is_loopback ${device}; then
		echo "loopback"

	elif device_is_wireless ${device}; then
		echo "wireless"

	elif device_is_ethernet ${device}; then
		echo "ethernet"

	else
		echo "unknown"
	fi
}

function device_get_status() {
	local device=${1}

	assert isset device

	local status=${STATUS_UNKNOWN}

	if ! device_has_carrier ${device}; then
		status=${STATUS_NOCARRIER}
	elif device_is_up ${device}; then
		status=${STATUS_UP}
	elif device_is_down ${device}; then
		status=${STATUS_DOWN}
	fi

	assert isset status

	echo "${status}"
}

function device_get_address() {
	local device=${1}

	cat ${SYS_CLASS_NET}/${device}/address 2>/dev/null
}

function device_set_address() {
	local device=${1}
	local addr=${2}
	
	if ! device_exists ${device}; then
		error "Device '${device}' does not exist."
		return ${EXIT_ERROR}
	fi

	log INFO "Setting address of '${device}' to '${addr}' - was $(device_get_address ${device})."

	local up
	if device_is_up ${device}; then
		device_set_down ${device}
		up=1
	fi

	ip link set ${device} address ${addr}
	local ret=$?

	if [ "${up}" = "1" ]; then
		device_set_up ${device}
	fi

	if [ "${ret}" != "0" ]; then
		error_log "Could not set address '${addr}' on device '${device}'."
	fi

	return ${ret}
}

function device_get() {
	local device
	local devices

	for device in ${SYS_CLASS_NET}/*; do
		device=$(basename ${device})

		# bonding_masters is no device
		[ "${device}" = "bonding_masters" ] && continue

		devices="${devices} ${device}"
	done

	echo ${devices}
	return ${EXIT_OK}
}

function devices_get_all() {
	device_get
}

# Check if a device has a cable plugged in
function device_has_carrier() {
	local device=${1}
	assert isset device

	local carrier=$(__device_get_file ${device} carrier)
	[ "${carrier}" = "1" ]
}

function device_is_promisc() {
	local device=${1}

	device_has_flag ${device} 0x200
}

function device_set_promisc() {
	local device=${1}
	local state=${2}

	assert device_exists ${device}
	assert isset state
	assert isoneof state on off

	ip link set ${device} promisc ${state}
}

# Check if the device is free
function device_is_free() {
	! device_is_used $@
}

# Check if the device is used
function device_is_used() {
	local device=${1}

	device_has_virtuals ${device} && \
		return ${EXIT_OK}
	device_is_bonded ${device} && \
		return ${EXIT_OK}
	device_is_bridge_attached ${device} && \
		return ${EXIT_OK}

	return ${EXIT_ERROR}
}

function device_hash() {
	local device=${1}

	# Get mac address of device and remove all colons (:)
	# that will result in a hash.
	device=$(macify ${device})

	echo "${device//:/}"
}

# Give the device a new name
function device_set_name() {
	local source=$1
	local destination=${2}

	# Check if devices exists
	if ! device_exists ${source} || device_exists ${destination}; then
		return 4
	fi

	local up
	if device_is_up ${source}; then
		ip link set ${source} down
		up=1
	fi

	ip link set ${source} name ${destination}

	if [ "${up}" = "1" ]; then
		ip link set ${destination} up
	fi
}

# Set device up
function device_set_up() {
	local device=${1}

	# Silently fail if device was not found
	[ -z "${device}" ] && return ${EXIT_ERROR}

	# Do nothing if device is already up
	device_is_up ${device} && return ${EXIT_OK}

	device_set_parent_up ${device}

	log DEBUG "Setting up device '${device}'"

	ip link set ${device} up
}

function device_set_parent_up() {
	local device=${1}
	local parent

	if device_is_virtual ${device}; then
		parent=$(virtual_get_parent ${device})

		device_is_up ${parent} && return ${EXIT_OK}

		log DEBUG "Setting up parent device '${parent}' of '${device}'"

		device_set_up ${parent}
		return $?
	fi

	return ${EXIT_OK}
}

# Set device down
function device_set_down() {
	local device=${1}
	assert isset device

	local ret=${EXIT_OK}

	if device_is_up ${device}; then
		log DEBUG "Tearing down device '${device}'"

		ip link set ${device} down
		ret=$?
	fi

	device_set_parent_down ${device}

	return ${ret}
}

function device_set_parent_down() {
	local device=${1}
	local parent

	if device_is_virtual ${device}; then
		parent=$(virtual_get_parent ${device})

		device_is_up ${parent} || return ${EXIT_OK}

		if device_is_free ${parent}; then
			log DEBUG "Tearing down parent device '${parent}' of '${device}'"

			device_set_down ${parent}
		fi
	fi
	
	return ${EXIT_OK}
}

function device_get_mtu() {
	local device=${1}

	if ! device_exists ${device}; then
		error "Device '${device}' does not exist."
		return ${EXIT_ERROR}
	fi

	echo $(<${SYS_CLASS_NET}/${device}/mtu)
}

# Set mtu to a device
function device_set_mtu() {
	local device=${1}
	local mtu=${2}

	if ! device_exists ${device}; then
		error "Device '${device}' does not exist."
		return ${EXIT_ERROR}
	fi
	
	local oldmtu=$(device_get_mtu ${device})

	if [ "${oldmtu}" = "${mtu}" ]; then
		# No need to set mtu.
		return ${EXIT_OK}
	fi

	log INFO "Setting mtu of '${device}' to '${mtu}' - was ${oldmtu}."

	local up
	if device_is_up ${device}; then
		device_set_down ${device}
		up=1
	fi

	ip link set ${device} mtu ${mtu}
	local ret=$?

	if [ "${up}" = "1" ]; then
		device_set_up ${device}
	fi

	if [ "${ret}" != "0" ]; then
		error_log "Could not set mtu '${mtu}' on device '${device}'."
	fi

	return ${ret}
}

function device_discover() {
	local device=${1}

	log INFO "Running discovery process on device '${device}'."

	local hook
	for hook in $(hook_zone_get_all); do
		hook_zone_exec ${hook} discover ${device}
	done
}

function device_has_ip() {
	local device=${1}
	local addr=${2}

	assert isset addr
	assert device_exists ${device}

	# IPv6 addresses must be fully imploded
	local protocol=$(ip_detect_protocol ${addr})
	case "${protocol}" in
		ipv6)
			addr=$(ipv6_implode ${addr})
			;;
	esac

	listmatch ${addr} $(device_get_addresses ${device})
}

function device_get_addresses() {
	local device=${1}

	assert device_exists ${device}

	local prot
	local addr
	local line
	ip addr show ${device} | \
		while read prot addr line; do
			[ "${prot:0:4}" = "inet" ] && echo "${addr}"
		done
}

function __device_get_file() {
	local device=${1}
	local file=${2}

	assert isset device
	assert isset file

	local path="${SYS_CLASS_NET}/${device}/${file}"
	[ -r "${path}" ] || return ${EXIT_ERROR}

	echo "$(<${path})"
}

function device_get_rx_bytes() {
	local device=${1}

	__device_get_file ${device} statistics/rx_bytes
}

function device_get_tx_bytes() {
	local device=${1}

	__device_get_file ${device} statistics/tx_bytes
}

function device_get_rx_packets() {
	local device=${1}

	__device_get_file ${device} statistics/rx_packets
}

function device_get_tx_packets() {
	local device=${1}

	__device_get_file ${device} statistics/tx_packets
}

function device_get_rx_errors() {
	local device=${1}

	__device_get_file ${device} statistics/rx_errors
}

function device_get_tx_errors() {
	local device=${1}

	__device_get_file ${device} statistics/tx_errors
}

function device_get_speed() {
	local device=${1}

	__device_get_file ${device} speed
}

function device_get_duplex() {
	local device=${1}

	__device_get_file ${device} duplex
}
Commit	Line	Data
1848564d MT	1	#!/bin/bash
	2	###############################################################################
	3	# #
	4	# IPFire.org - A linux based firewall #
	5	# Copyright (C) 2010 Michael Tremer & Christian Schmidt #
	6	# #
	7	# This program is free software: you can redistribute it and/or modify #
	8	# it under the terms of the GNU General Public License as published by #
	9	# the Free Software Foundation, either version 3 of the License, or #
	10	# (at your option) any later version. #
	11	# #
	12	# This program is distributed in the hope that it will be useful, #
	13	# but WITHOUT ANY WARRANTY; without even the implied warranty of #
	14	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
	15	# GNU General Public License for more details. #
	16	# #
	17	# You should have received a copy of the GNU General Public License #
	18	# along with this program. If not, see <http://www.gnu.org/licenses/>. #
	19	# #
	20	###############################################################################
	21
1b7a1578	22	function devicify() {
1848564d MT	23	local device=${1}
1848564d MT	24
711ffac1 MT	25	assert isset device
711ffac1 MT	26
1848564d MT	27	if device_exists ${device}; then
	28	echo "${device}"
	29	return ${EXIT_OK}
	30	fi
	31
	32	local d
	33	for d in $(devices_get_all); do
	34	if [ "$(device_get_address ${d})" = "${device}" ]; then
	35	echo "${d}"
	36	return ${EXIT_OK}
	37	fi
	38	done
	39
	40	return ${EXIT_ERROR}
	41	}
	42
	43	function macify() {
	44	local device=${1}
	45
711ffac1 MT	46	assert isset device
711ffac1 MT	47
1848564d MT	48	if mac_is_valid ${device}; then
	49	echo "${device}"
	50	return ${EXIT_OK}
	51	fi
	52
	53	if device_exists ${device}; then
	54	device_get_address ${device}
	55	return ${EXIT_OK}
	56	fi
	57
	58	return ${EXIT_ERROR}
	59	}
	60
	61	# Check if the device exists
	62	function device_exists() {
	63	local device=${1}
	64
	65	# If device name was not found, exit.
	66	[ -n "${device}" ] \|\| return ${EXIT_ERROR}
	67
	68	[ -d "${SYS_CLASS_NET}/${device}" ]
	69	}
	70
e369be1a MT	71	function device_has_flag() {
	72	local device=${1}
	73	local flag=${2}
	74
	75	local flags=$(__device_get_file ${device} flags)
	76
	77	if [[ "$(( ${flags} & ${flag} ))" -eq 0 ]]; then
	78	return ${EXIT_FALSE}
	79	else
	80	return ${EXIT_TRUE}
	81	fi
	82	}
	83
1848564d MT	84	# Check if the device is up
	85	function device_is_up() {
	86	local device=${1}
	87
	88	device_exists ${device} \|\| return ${EXIT_ERROR}
	89
e369be1a	90	device_has_flag ${device} 0x1
1848564d MT	91	}
	92
	93	# Check if the device is a bonding device
	94	function device_is_bonding() {
	95	[ -d "/sys/class/net/${1}/bonding" ]
	96	}
	97
	98	# Check if the device bonded in a bonding device
	99	function device_is_bonded() {
711ffac1	100	local device=${1}
1848564d	101
711ffac1	102	[ -d "${SYS_CLASS_NET}/${device}/master" ]
1848564d MT	103	}
	104
	105	# Check if the device is a bridge
	106	function device_is_bridge() {
	107	[ -d "/sys/class/net/${1}/bridge" ]
	108	}
	109
81ed640c MT	110	function device_is_bridge_attached() {
	111	local device=${1}
	112
	113	[ -d "${SYS_CLASS_NET}/${device}/brport" ]
	114	}
	115
1848564d MT	116	# Check if the device is a virtual device
	117	function device_is_virtual() {
	118	local device=${1}
	119
	120	[ -e "/proc/net/vlan/${device}" ]
	121	}
	122
	123	# Check if the device has virtual devices
	124	function device_has_virtuals() {
fb02e543 MT	125	local device=${1}
	126
	127	if device_is_virtual ${device}; then
ec63256a	128	return ${EXIT_FALSE}
fb02e543 MT	129	fi
fb02e543 MT	130
ec63256a MT	131	local virtuals=$(device_get_virtuals ${device})
	132	[ -n "${virtuals}" ] && return ${EXIT_OK} \|\| return ${EXIT_ERROR}
	133	}
	134
	135	function device_get_virtuals() {
	136	local device=${1}
	137
	138	local dev spacer1 id spacer2 parent
	139	while read dev spacer1 id spacer2 parent; do
	140	[ "${parent}" = "${device}" ] && echo "${dev}"
	141	done < /proc/net/vlan/config \| sort
1848564d MT	142	}
1848564d MT	143
1848564d MT	144	# Check if the device is a ppp device
	145	function device_is_ppp() {
	146	local device=${1}
	147
55b802cc	148	local type=$(__device_get_file ${device} type)
28f0b4ab	149
e369be1a MT	150	[ "${type}" = "512" ] && return ${EXIT_OK} \|\| return ${EXIT_ERROR}
e369be1a MT	151	}
55b802cc	152
e369be1a MT	153	# Check if the device is a pointopoint device.
	154	function device_is_ptp() {
	155	local device=${1}
	156
	157	device_has_flag ${device} 0x10
1848564d MT	158	}
	159
	160	# Check if the device is a loopback device
	161	function device_is_loopback() {
5bb2429a MT	162	local device=${1}
5bb2429a MT	163
1848564d MT	164	[ "${device}" = "lo" ]
	165	}
	166
a508c27e MT	167	# Check if the device is a wireless device
	168	function device_is_wireless() {
	169	local device=${1}
	170
	171	[ -d "${SYS_CLASS_NET}/${device}/phy80211" ]
	172	}
	173
1848564d	174	# Check if the device is a physical network interface
ec63256a	175	function device_is_ethernet() {
1848564d MT	176	local device=${1}
	177
	178	device_is_loopback ${device} && \
	179	return ${EXIT_ERROR}
	180
	181	device_is_bonding ${device} && \
	182	return ${EXIT_ERROR}
	183
	184	device_is_bridge ${device} && \
	185	return ${EXIT_ERROR}
	186
	187	device_is_ppp ${device} && \
	188	return ${EXIT_ERROR}
	189
	190	device_is_virtual ${device} && \
	191	return ${EXIT_ERROR}
	192
419b4cd0 MT	193	[ "$(__device_get_file ${device} type)" != "1" ] && \
	194	return ${EXIT_ERROR}
	195
1848564d MT	196	return ${EXIT_OK}
	197	}
	198
	199	# Get the device type
	200	function device_get_type() {
5bb2429a	201	local device=${1}
1848564d	202
8c6a8966	203	if device_is_virtual ${device}; then
1848564d MT	204	echo "vlan"
	205
	206	elif device_is_bonding ${device}; then
	207	echo "bonding"
	208
	209	elif device_is_bridge ${device}; then
	210	echo "bridge"
	211
	212	elif device_is_ppp ${device}; then
	213	echo "ppp"
	214
	215	elif device_is_loopback ${device}; then
	216	echo "loopback"
	217
a508c27e MT	218	elif device_is_wireless ${device}; then
	219	echo "wireless"
	220
ec63256a MT	221	elif device_is_ethernet ${device}; then
ec63256a MT	222	echo "ethernet"
1848564d MT	223
	224	else
	225	echo "unknown"
	226	fi
	227	}
	228
711ffac1 MT	229	function device_get_status() {
	230	local device=${1}
	231
	232	assert isset device
	233
	234	local status=${STATUS_UNKNOWN}
	235
	236	if ! device_has_carrier ${device}; then
	237	status=${STATUS_NOCARRIER}
	238	elif device_is_up ${device}; then
	239	status=${STATUS_UP}
	240	elif device_is_down ${device}; then
	241	status=${STATUS_DOWN}
	242	fi
	243
	244	assert isset status
	245
	246	echo "${status}"
	247	}
	248
1848564d MT	249	function device_get_address() {
	250	local device=${1}
	251
	252	cat ${SYS_CLASS_NET}/${device}/address 2>/dev/null
	253	}
	254
	255	function device_set_address() {
1b7a1578 MT	256	local device=${1}
	257	local addr=${2}
	258
	259	if ! device_exists ${device}; then
	260	error "Device '${device}' does not exist."
	261	return ${EXIT_ERROR}
	262	fi
	263
	264	log INFO "Setting address of '${device}' to '${addr}' - was $(device_get_address ${device})."
	265
	266	local up
	267	if device_is_up ${device}; then
	268	device_set_down ${device}
	269	up=1
	270	fi
	271
	272	ip link set ${device} address ${addr}
	273	local ret=$?
	274
	275	if [ "${up}" = "1" ]; then
	276	device_set_up ${device}
	277	fi
	278
	279	if [ "${ret}" != "0" ]; then
	280	error_log "Could not set address '${addr}' on device '${device}'."
	281	fi
	282
	283	return ${ret}
1848564d MT	284	}
1848564d MT	285
711ffac1	286	function device_get() {
2ae0fb8d	287	local device
711ffac1 MT	288	local devices
711ffac1 MT	289
2ae0fb8d MT	290	for device in ${SYS_CLASS_NET}/*; do
2ae0fb8d MT	291	device=$(basename ${device})
711ffac1	292
2ae0fb8d MT	293	# bonding_masters is no device
	294	[ "${device}" = "bonding_masters" ] && continue
	295
	296	devices="${devices} ${device}"
	297	done
711ffac1 MT	298
	299	echo ${devices}
	300	return ${EXIT_OK}
	301	}
	302
1848564d	303	function devices_get_all() {
711ffac1	304	device_get
1848564d MT	305	}
	306
	307	# Check if a device has a cable plugged in
	308	function device_has_carrier() {
5bb2429a MT	309	local device=${1}
	310	assert isset device
	311
ec63256a MT	312	local carrier=$(__device_get_file ${device} carrier)
ec63256a MT	313	[ "${carrier}" = "1" ]
1848564d MT	314	}
1848564d MT	315
1e4c26a4 MT	316	function device_is_promisc() {
	317	local device=${1}
	318
e369be1a	319	device_has_flag ${device} 0x200
1e4c26a4 MT	320	}
1e4c26a4 MT	321
cf6e4606 MT	322	function device_set_promisc() {
	323	local device=${1}
	324	local state=${2}
	325
	326	assert device_exists ${device}
	327	assert isset state
	328	assert isoneof state on off
	329
	330	ip link set ${device} promisc ${state}
	331	}
	332
1848564d MT	333	# Check if the device is free
1848564d MT	334	function device_is_free() {
81ed640c	335	! device_is_used $@
1848564d MT	336	}
	337
	338	# Check if the device is used
	339	function device_is_used() {
5bb2429a	340	local device=${1}
1848564d	341
fb02e543 MT	342	device_has_virtuals ${device} && \
fb02e543 MT	343	return ${EXIT_OK}
1848564d	344	device_is_bonded ${device} && \
fb02e543	345	return ${EXIT_OK}
81ed640c MT	346	device_is_bridge_attached ${device} && \
81ed640c MT	347	return ${EXIT_OK}
1848564d	348
fb02e543	349	return ${EXIT_ERROR}
1848564d MT	350	}
1848564d MT	351
1b7a1578 MT	352	function device_hash() {
	353	local device=${1}
	354
37e4ec8b MT	355	# Get mac address of device and remove all colons (:)
	356	# that will result in a hash.
	357	device=$(macify ${device})
	358
	359	echo "${device//:/}"
1b7a1578 MT	360	}
	361
	362	# Give the device a new name
	363	function device_set_name() {
1848564d	364	local source=$1
1578dae9	365	local destination=${2}
1848564d MT	366
	367	# Check if devices exists
	368	if ! device_exists ${source} \|\| device_exists ${destination}; then
	369	return 4
	370	fi
	371
	372	local up
	373	if device_is_up ${source}; then
	374	ip link set ${source} down
	375	up=1
	376	fi
	377
	378	ip link set ${source} name ${destination}
	379
	380	if [ "${up}" = "1" ]; then
	381	ip link set ${destination} up
	382	fi
	383	}
	384
1848564d MT	385	# Set device up
1848564d MT	386	function device_set_up() {
5bb2429a	387	local device=${1}
1848564d	388
711ffac1 MT	389	# Silently fail if device was not found
	390	[ -z "${device}" ] && return ${EXIT_ERROR}
	391
1848564d MT	392	# Do nothing if device is already up
	393	device_is_up ${device} && return ${EXIT_OK}
	394
81ed640c MT	395	device_set_parent_up ${device}
	396
	397	log DEBUG "Setting up device '${device}'"
	398
1848564d MT	399	ip link set ${device} up
	400	}
	401
81ed640c MT	402	function device_set_parent_up() {
	403	local device=${1}
	404	local parent
	405
	406	if device_is_virtual ${device}; then
8c6a8966	407	parent=$(virtual_get_parent ${device})
81ed640c MT	408
	409	device_is_up ${parent} && return ${EXIT_OK}
	410
	411	log DEBUG "Setting up parent device '${parent}' of '${device}'"
	412
	413	device_set_up ${parent}
	414	return $?
	415	fi
	416
	417	return ${EXIT_OK}
	418	}
	419
1848564d MT	420	# Set device down
1848564d MT	421	function device_set_down() {
5bb2429a MT	422	local device=${1}
5bb2429a MT	423	assert isset device
1848564d	424
81ed640c MT	425	local ret=${EXIT_OK}
	426
	427	if device_is_up ${device}; then
	428	log DEBUG "Tearing down device '${device}'"
	429
	430	ip link set ${device} down
	431	ret=$?
	432	fi
	433
	434	device_set_parent_down ${device}
1848564d	435
81ed640c MT	436	return ${ret}
	437	}
	438
	439	function device_set_parent_down() {
	440	local device=${1}
	441	local parent
	442
	443	if device_is_virtual ${device}; then
8c6a8966	444	parent=$(virtual_get_parent ${device})
81ed640c MT	445
	446	device_is_up ${parent} \|\| return ${EXIT_OK}
	447
	448	if device_is_free ${parent}; then
	449	log DEBUG "Tearing down parent device '${parent}' of '${device}'"
	450
	451	device_set_down ${parent}
	452	fi
	453	fi
	454
	455	return ${EXIT_OK}
1848564d MT	456	}
1848564d MT	457
1848564d MT	458	function device_get_mtu() {
	459	local device=${1}
	460
	461	if ! device_exists ${device}; then
	462	error "Device '${device}' does not exist."
	463	return ${EXIT_ERROR}
	464	fi
	465
f3e6fe50	466	echo $(<${SYS_CLASS_NET}/${device}/mtu)
1848564d MT	467	}
	468
	469	# Set mtu to a device
	470	function device_set_mtu() {
1b7a1578	471	local device=${1}
1848564d MT	472	local mtu=${2}
1848564d MT	473
1b7a1578 MT	474	if ! device_exists ${device}; then
	475	error "Device '${device}' does not exist."
	476	return ${EXIT_ERROR}
	477	fi
	478
	479	local oldmtu=$(device_get_mtu ${device})
	480
	481	if [ "${oldmtu}" = "${mtu}" ]; then
	482	# No need to set mtu.
	483	return ${EXIT_OK}
	484	fi
	485
	486	log INFO "Setting mtu of '${device}' to '${mtu}' - was ${oldmtu}."
	487
1848564d	488	local up
1b7a1578 MT	489	if device_is_up ${device}; then
1b7a1578 MT	490	device_set_down ${device}
1848564d MT	491	up=1
	492	fi
	493
1b7a1578	494	ip link set ${device} mtu ${mtu}
1848564d MT	495	local ret=$?
	496
	497	if [ "${up}" = "1" ]; then
1b7a1578 MT	498	device_set_up ${device}
	499	fi
	500
	501	if [ "${ret}" != "0" ]; then
	502	error_log "Could not set mtu '${mtu}' on device '${device}'."
1848564d MT	503	fi
	504
	505	return ${ret}
	506	}
	507
	508	function device_discover() {
	509	local device=${1}
	510
1b7a1578 MT	511	log INFO "Running discovery process on device '${device}'."
1b7a1578 MT	512
1848564d	513	local hook
d61a01d4 MT	514	for hook in $(hook_zone_get_all); do
d61a01d4 MT	515	hook_zone_exec ${hook} discover ${device}
1848564d MT	516	done
	517	}
	518
38f61548	519	function device_has_ip() {
1848564d MT	520	local device=${1}
	521	local addr=${2}
	522
38f61548 MT	523	assert isset addr
	524	assert device_exists ${device}
	525
	526	# IPv6 addresses must be fully imploded
	527	local protocol=$(ip_detect_protocol ${addr})
	528	case "${protocol}" in
	529	ipv6)
	530	addr=$(ipv6_implode ${addr})
	531	;;
	532	esac
1848564d	533
38f61548	534	listmatch ${addr} $(device_get_addresses ${device})
1848564d	535	}
4231f419	536
38f61548	537	function device_get_addresses() {
4231f419	538	local device=${1}
4231f419	539
38f61548	540	assert device_exists ${device}
4231f419	541
38f61548 MT	542	local prot
	543	local addr
	544	local line
	545	ip addr show ${device} \| \
	546	while read prot addr line; do
	547	[ "${prot:0:4}" = "inet" ] && echo "${addr}"
	548	done
4231f419	549	}
711ffac1	550
711ffac1 MT	551	function __device_get_file() {
	552	local device=${1}
	553	local file=${2}
	554
	555	assert isset device
	556	assert isset file
	557
e369be1a MT	558	local path="${SYS_CLASS_NET}/${device}/${file}"
	559	[ -r "${path}" ] \|\| return ${EXIT_ERROR}
	560
	561	echo "$(<${path})"
711ffac1 MT	562	}
	563
	564	function device_get_rx_bytes() {
	565	local device=${1}
	566
	567	__device_get_file ${device} statistics/rx_bytes
	568	}
	569
	570	function device_get_tx_bytes() {
	571	local device=${1}
	572
	573	__device_get_file ${device} statistics/tx_bytes
	574	}
	575
	576	function device_get_rx_packets() {
	577	local device=${1}
	578
	579	__device_get_file ${device} statistics/rx_packets
	580	}
	581
	582	function device_get_tx_packets() {
	583	local device=${1}
	584
	585	__device_get_file ${device} statistics/tx_packets
	586	}
	587
	588	function device_get_rx_errors() {
	589	local device=${1}
	590
	591	__device_get_file ${device} statistics/rx_errors
	592	}
	593
	594	function device_get_tx_errors() {
	595	local device=${1}
	596
	597	__device_get_file ${device} statistics/tx_errors
	598	}
ec63256a MT	599
	600	function device_get_speed() {
	601	local device=${1}
	602
	603	__device_get_file ${device} speed
	604	}
	605
	606	function device_get_duplex() {
	607	local device=${1}
	608
	609	__device_get_file ${device} duplex
	610	}