[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_DOWN}

	if device_is_up ${device}; then
		status=${STATUS_UP}

		if ! device_has_carrier ${device}; then
			status=${STATUS_NOCARRIER}
		fi
	fi

	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 ${device}; then
ec63256a MT	222	echo "ethernet"
1848564d MT	223
	224	else
	225	echo "unknown"
	226	fi
	227	}
	228
711ffac1 MT	229	function device_get_status() {
711ffac1 MT	230	local device=${1}
711ffac1 MT	231	assert isset device
711ffac1 MT	232
3cb2fc42	233	local status=${STATUS_DOWN}
711ffac1	234
3cb2fc42	235	if device_is_up ${device}; then
711ffac1	236	status=${STATUS_UP}
711ffac1	237
3cb2fc42 MT	238	if ! device_has_carrier ${device}; then
	239	status=${STATUS_NOCARRIER}
	240	fi
	241	fi
711ffac1 MT	242
	243	echo "${status}"
	244	}
	245
1848564d MT	246	function device_get_address() {
	247	local device=${1}
	248
	249	cat ${SYS_CLASS_NET}/${device}/address 2>/dev/null
	250	}
	251
	252	function device_set_address() {
1b7a1578 MT	253	local device=${1}
	254	local addr=${2}
	255
	256	if ! device_exists ${device}; then
	257	error "Device '${device}' does not exist."
	258	return ${EXIT_ERROR}
	259	fi
	260
	261	log INFO "Setting address of '${device}' to '${addr}' - was $(device_get_address ${device})."
	262
	263	local up
	264	if device_is_up ${device}; then
	265	device_set_down ${device}
	266	up=1
	267	fi
	268
	269	ip link set ${device} address ${addr}
	270	local ret=$?
	271
	272	if [ "${up}" = "1" ]; then
	273	device_set_up ${device}
	274	fi
	275
	276	if [ "${ret}" != "0" ]; then
	277	error_log "Could not set address '${addr}' on device '${device}'."
	278	fi
	279
	280	return ${ret}
1848564d MT	281	}
1848564d MT	282
711ffac1	283	function device_get() {
2ae0fb8d	284	local device
711ffac1 MT	285	local devices
711ffac1 MT	286
2ae0fb8d MT	287	for device in ${SYS_CLASS_NET}/*; do
2ae0fb8d MT	288	device=$(basename ${device})
711ffac1	289
2ae0fb8d MT	290	# bonding_masters is no device
	291	[ "${device}" = "bonding_masters" ] && continue
	292
	293	devices="${devices} ${device}"
	294	done
711ffac1 MT	295
	296	echo ${devices}
	297	return ${EXIT_OK}
	298	}
	299
1848564d	300	function devices_get_all() {
711ffac1	301	device_get
1848564d MT	302	}
	303
	304	# Check if a device has a cable plugged in
	305	function device_has_carrier() {
5bb2429a MT	306	local device=${1}
	307	assert isset device
	308
ec63256a MT	309	local carrier=$(__device_get_file ${device} carrier)
ec63256a MT	310	[ "${carrier}" = "1" ]
1848564d MT	311	}
1848564d MT	312
1e4c26a4 MT	313	function device_is_promisc() {
	314	local device=${1}
	315
e369be1a	316	device_has_flag ${device} 0x200
1e4c26a4 MT	317	}
1e4c26a4 MT	318
cf6e4606 MT	319	function device_set_promisc() {
	320	local device=${1}
	321	local state=${2}
	322
	323	assert device_exists ${device}
	324	assert isset state
	325	assert isoneof state on off
	326
	327	ip link set ${device} promisc ${state}
	328	}
	329
1848564d MT	330	# Check if the device is free
1848564d MT	331	function device_is_free() {
81ed640c	332	! device_is_used $@
1848564d MT	333	}
	334
	335	# Check if the device is used
	336	function device_is_used() {
5bb2429a	337	local device=${1}
1848564d	338
fb02e543 MT	339	device_has_virtuals ${device} && \
fb02e543 MT	340	return ${EXIT_OK}
1848564d	341	device_is_bonded ${device} && \
fb02e543	342	return ${EXIT_OK}
81ed640c MT	343	device_is_bridge_attached ${device} && \
81ed640c MT	344	return ${EXIT_OK}
1848564d	345
fb02e543	346	return ${EXIT_ERROR}
1848564d MT	347	}
1848564d MT	348
1b7a1578 MT	349	function device_hash() {
	350	local device=${1}
	351
37e4ec8b MT	352	# Get mac address of device and remove all colons (:)
	353	# that will result in a hash.
	354	device=$(macify ${device})
	355
	356	echo "${device//:/}"
1b7a1578 MT	357	}
	358
	359	# Give the device a new name
	360	function device_set_name() {
1848564d	361	local source=$1
1578dae9	362	local destination=${2}
1848564d MT	363
	364	# Check if devices exists
	365	if ! device_exists ${source} \|\| device_exists ${destination}; then
	366	return 4
	367	fi
	368
	369	local up
	370	if device_is_up ${source}; then
	371	ip link set ${source} down
	372	up=1
	373	fi
	374
	375	ip link set ${source} name ${destination}
	376
	377	if [ "${up}" = "1" ]; then
	378	ip link set ${destination} up
	379	fi
	380	}
	381
1848564d MT	382	# Set device up
1848564d MT	383	function device_set_up() {
5bb2429a	384	local device=${1}
1848564d	385
711ffac1 MT	386	# Silently fail if device was not found
	387	[ -z "${device}" ] && return ${EXIT_ERROR}
	388
1848564d MT	389	# Do nothing if device is already up
	390	device_is_up ${device} && return ${EXIT_OK}
	391
81ed640c MT	392	device_set_parent_up ${device}
	393
	394	log DEBUG "Setting up device '${device}'"
	395
1848564d MT	396	ip link set ${device} up
	397	}
	398
81ed640c MT	399	function device_set_parent_up() {
	400	local device=${1}
	401	local parent
	402
	403	if device_is_virtual ${device}; then
8c6a8966	404	parent=$(virtual_get_parent ${device})
81ed640c MT	405
	406	device_is_up ${parent} && return ${EXIT_OK}
	407
	408	log DEBUG "Setting up parent device '${parent}' of '${device}'"
	409
	410	device_set_up ${parent}
	411	return $?
	412	fi
	413
	414	return ${EXIT_OK}
	415	}
	416
1848564d MT	417	# Set device down
1848564d MT	418	function device_set_down() {
5bb2429a MT	419	local device=${1}
5bb2429a MT	420	assert isset device
1848564d	421
81ed640c MT	422	local ret=${EXIT_OK}
	423
	424	if device_is_up ${device}; then
	425	log DEBUG "Tearing down device '${device}'"
	426
	427	ip link set ${device} down
	428	ret=$?
	429	fi
	430
	431	device_set_parent_down ${device}
1848564d	432
81ed640c MT	433	return ${ret}
	434	}
	435
	436	function device_set_parent_down() {
	437	local device=${1}
	438	local parent
	439
	440	if device_is_virtual ${device}; then
8c6a8966	441	parent=$(virtual_get_parent ${device})
81ed640c MT	442
	443	device_is_up ${parent} \|\| return ${EXIT_OK}
	444
	445	if device_is_free ${parent}; then
	446	log DEBUG "Tearing down parent device '${parent}' of '${device}'"
	447
	448	device_set_down ${parent}
	449	fi
	450	fi
	451
	452	return ${EXIT_OK}
1848564d MT	453	}
1848564d MT	454
1848564d MT	455	function device_get_mtu() {
	456	local device=${1}
	457
	458	if ! device_exists ${device}; then
	459	error "Device '${device}' does not exist."
	460	return ${EXIT_ERROR}
	461	fi
	462
f3e6fe50	463	echo $(<${SYS_CLASS_NET}/${device}/mtu)
1848564d MT	464	}
	465
	466	# Set mtu to a device
	467	function device_set_mtu() {
1b7a1578	468	local device=${1}
1848564d MT	469	local mtu=${2}
1848564d MT	470
1b7a1578 MT	471	if ! device_exists ${device}; then
	472	error "Device '${device}' does not exist."
	473	return ${EXIT_ERROR}
	474	fi
	475
	476	local oldmtu=$(device_get_mtu ${device})
	477
	478	if [ "${oldmtu}" = "${mtu}" ]; then
	479	# No need to set mtu.
	480	return ${EXIT_OK}
	481	fi
	482
	483	log INFO "Setting mtu of '${device}' to '${mtu}' - was ${oldmtu}."
	484
1848564d	485	local up
1b7a1578 MT	486	if device_is_up ${device}; then
1b7a1578 MT	487	device_set_down ${device}
1848564d MT	488	up=1
	489	fi
	490
1b7a1578	491	ip link set ${device} mtu ${mtu}
1848564d MT	492	local ret=$?
	493
	494	if [ "${up}" = "1" ]; then
1b7a1578 MT	495	device_set_up ${device}
	496	fi
	497
	498	if [ "${ret}" != "0" ]; then
	499	error_log "Could not set mtu '${mtu}' on device '${device}'."
1848564d MT	500	fi
	501
	502	return ${ret}
	503	}
	504
	505	function device_discover() {
	506	local device=${1}
	507
1b7a1578 MT	508	log INFO "Running discovery process on device '${device}'."
1b7a1578 MT	509
1848564d	510	local hook
d61a01d4 MT	511	for hook in $(hook_zone_get_all); do
d61a01d4 MT	512	hook_zone_exec ${hook} discover ${device}
1848564d MT	513	done
	514	}
	515
38f61548	516	function device_has_ip() {
1848564d MT	517	local device=${1}
	518	local addr=${2}
	519
38f61548 MT	520	assert isset addr
	521	assert device_exists ${device}
	522
	523	# IPv6 addresses must be fully imploded
	524	local protocol=$(ip_detect_protocol ${addr})
	525	case "${protocol}" in
	526	ipv6)
	527	addr=$(ipv6_implode ${addr})
	528	;;
	529	esac
1848564d	530
38f61548	531	listmatch ${addr} $(device_get_addresses ${device})
1848564d	532	}
4231f419	533
38f61548	534	function device_get_addresses() {
4231f419	535	local device=${1}
4231f419	536
38f61548	537	assert device_exists ${device}
4231f419	538
38f61548 MT	539	local prot
	540	local addr
	541	local line
	542	ip addr show ${device} \| \
	543	while read prot addr line; do
	544	[ "${prot:0:4}" = "inet" ] && echo "${addr}"
	545	done
4231f419	546	}
711ffac1	547
711ffac1 MT	548	function __device_get_file() {
	549	local device=${1}
	550	local file=${2}
	551
	552	assert isset device
	553	assert isset file
	554
e369be1a MT	555	local path="${SYS_CLASS_NET}/${device}/${file}"
	556	[ -r "${path}" ] \|\| return ${EXIT_ERROR}
	557
	558	echo "$(<${path})"
711ffac1 MT	559	}
	560
	561	function device_get_rx_bytes() {
	562	local device=${1}
	563
	564	__device_get_file ${device} statistics/rx_bytes
	565	}
	566
	567	function device_get_tx_bytes() {
	568	local device=${1}
	569
	570	__device_get_file ${device} statistics/tx_bytes
	571	}
	572
	573	function device_get_rx_packets() {
	574	local device=${1}
	575
	576	__device_get_file ${device} statistics/rx_packets
	577	}
	578
	579	function device_get_tx_packets() {
	580	local device=${1}
	581
	582	__device_get_file ${device} statistics/tx_packets
	583	}
	584
	585	function device_get_rx_errors() {
	586	local device=${1}
	587
	588	__device_get_file ${device} statistics/rx_errors
	589	}
	590
	591	function device_get_tx_errors() {
	592	local device=${1}
	593
	594	__device_get_file ${device} statistics/tx_errors
	595	}
ec63256a MT	596
	597	function device_get_speed() {
	598	local device=${1}
	599
	600	__device_get_file ${device} speed
	601	}
	602
	603	function device_get_duplex() {
	604	local device=${1}
	605
	606	__device_get_file ${device} duplex
	607	}