resultat du wificheck :
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.2 LTS"
>> lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 04f2:b57e Chicony Electronics Co., Ltd
Bus 001 Device 003: ID 0cf3:e500 Atheros Communications, Inc.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
03:00.0 Network controller [0280]: Qualcomm Atheros QCA9377 802.11ac Wireless Network Adapter [168c:0042] (rev 31)
Subsystem: Lenovo QCA9377 802.11ac Wireless Network Adapter [17aa:0901]
Kernel driver in use: ath10k_pci
Kernel modules: ath10k_pci
04:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 10)
Subsystem: Lenovo RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [17aa:3884]
Kernel driver in use: r8169
Kernel modules: r8169
>> sudo lshw -C network
*-network
description: Interface réseau sans fil
produit: QCA9377 802.11ac Wireless Network Adapter
fabriquant: Qualcomm Atheros
identifiant matériel: 0
information bus: pci@0000:03:00.0
nom logique: wlp3s0
version: 31
numéro de série: 3c:95:09:4d:63:3b
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=ath10k_pci driverversion=4.18.0-15-generic firmware=WLAN.TF.1.0-00002-QCATFSWPZ-5 ip=192.168.152.166 latency=0 link=yes multicast=yes wireless=IEEE 802.11
ressources: irq:129 mémoire:a4000000-a41fffff
*-network
description: Ethernet interface
produit: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:04:00.0
nom logique: enp4s0
version: 10
numéro de série: c8:5b:76:fe:c7:6a
taille: 10Mbit/s
capacité: 1Gbit/s
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8168g-3_0.0.1 04/23/13 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
ressources: irq:19 portE/S:3000(taille=256) mémoire:a4204000-a4204fff mémoire:a4200000-a4203fff
>> lsmod | sort
acpi_pad 180224 0
aesni_intel 200704 4
aes_x86_64 20480 1 aesni_intel
ahci 40960 2
arc4 16384 2
ath10k_core 417792 1 ath10k_pci
ath10k_pci 40960 0
ath 32768 1 ath10k_core
autofs4 40960 2
bluetooth 552960 33 btrtl,btintel,btbcm,bnep,btusb,rfcomm
bnep 20480 2
btbcm 16384 1 btusb
btintel 20480 1 btusb
btrtl 16384 1 btusb
btusb 45056 0
ccm 20480 6
cfg80211 667648 3 ath,mac80211,ath10k_core
coretemp 16384 0
cqhci 24576 1 sdhci_pci
crc32_pclmul 16384 0
crct10dif_pclmul 16384 0
cryptd 24576 3 crypto_simd,ghash_clmulni_intel,aesni_intel
crypto_simd 16384 1 aesni_intel
drm 458752 16 drm_kms_helper,nvidia_drm,i915
drm_kms_helper 172032 2 nvidia_drm,i915
ecdh_generic 24576 1 bluetooth
fb_sys_fops 16384 1 drm_kms_helper
ghash_clmulni_intel 16384 0
glue_helper 16384 1 aesni_intel
i2c_algo_bit 16384 1 i915
i915 1740800 13
ideapad_laptop 32768 0
input_leds 16384 0
intel_cstate 20480 0
intel_pch_thermal 16384 0
intel_powerclamp 16384 0
intel_rapl 20480 0
intel_rapl_perf 16384 0
ipmi_devintf 20480 0
ipmi_msghandler 102400 2 ipmi_devintf,nvidia
ip_tables 28672 0
irqbypass 16384 1 kvm
joydev 24576 0
kvm 626688 1 kvm_intel
kvm_intel 208896 0
libahci 32768 1 ahci
lp 20480 0
mac80211 802816 1 ath10k_core
mac_hid 16384 0
media 40960 2 videodev,uvcvideo
mei 98304 1 mei_me
mei_me 40960 0
mii 16384 1 r8169
Module Size Used by
nls_iso8859_1 16384 1
nvidia 14360576 234 nvidia_uvm,nvidia_modeset
nvidia_drm 40960 2
nvidia_modeset 1110016 3 nvidia_drm
nvidia_uvm 757760 0
parport 49152 3 parport_pc,lp,ppdev
parport_pc 36864 0
pcbc 16384 0
pinctrl_intel 20480 1 pinctrl_sunrisepoint
pinctrl_sunrisepoint 28672 0
ppdev 20480 0
psmouse 151552 0
r8169 86016 0
rfcomm 77824 4
sch_fq_codel 20480 2
sdhci 49152 1 sdhci_pci
sdhci_pci 36864 0
serio_raw 16384 0
snd 81920 23 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_pcm,snd_rawmidi
snd_hda_codec 126976 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
snd_hda_codec_generic 73728 1 snd_hda_codec_realtek
snd_hda_codec_hdmi 49152 1
snd_hda_codec_realtek 106496 1
snd_hda_core 81920 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
snd_hda_intel 40960 6
snd_hwdep 20480 1 snd_hda_codec
snd_pcm 98304 4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
snd_rawmidi 32768 1 snd_seq_midi
snd_seq 65536 2 snd_seq_midi,snd_seq_midi_event
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_timer 32768 2 snd_seq,snd_pcm
soundcore 16384 1 snd
sparse_keymap 16384 1 ideapad_laptop
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
uvcvideo 94208 0
video 45056 2 ideapad_laptop,i915
videobuf2_common 40960 2 videobuf2_v4l2,uvcvideo
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_vmalloc 16384 1 uvcvideo
videodev 188416 3 videobuf2_v4l2,uvcvideo,videobuf2_common
wmi 24576 2 wmi_bmof,ideapad_laptop
wmi_bmof 16384 0
x86_pkg_temp_thermal 16384 0
x_tables 40960 1 ip_tables
>> iwconfig
wlp3s0 IEEE 802.11 ESSID:"laurent"
Mode:Managed Frequency:2.472 GHz Access Point: C0:3F:0E:7A:7D:BA
Bit Rate=1 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:on
Link Quality=63/70 Signal level=-47 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:70 Missed beacon:0
>> ifconfig -a
enp4s0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether c8:5b:76:fe:c7:6a txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Boucle locale)
RX packets 721 bytes 66540 (66.5 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 721 bytes 66540 (66.5 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlp3s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.152.166 netmask 255.255.255.0 broadcast 192.168.152.255
inet6 fe80::fa7:a16d:94ab:e1c2 prefixlen 64 scopeid 0x20<link>
ether 3c:95:09:4d:63:3b txqueuelen 1000 (Ethernet)
RX packets 7036 bytes 6715222 (6.7 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 4920 bytes 695169 (695.1 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
>> sudo iwlist scan
wlp3s0 Scan completed :
Cell 01 - Address: C0:3F:0E:7A:7D:BA
Channel:13
Frequency:2.472 GHz (Channel 13)
Quality=65/70 Signal level=-45 dBm
Encryption key:on
ESSID:"laurent"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=000000002fa2abbb
Extra: Last beacon: 5400ms ago
IE: Unknown: 00076C617572656E74
IE: Unknown: 010882848B960C121824
IE: Unknown: 03010D
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 2A0100
IE: Unknown: 32043048606C
IE: Unknown: DD180050F2020101830003A4000027A4000042435E0062322F00
IE: Unknown: DD1E00904C33CE111BFFFF000000000000000000000000000000000000000000
IE: Unknown: 2D1ACE111BFFFF000000000000000000000000000000000000000000
IE: Unknown: DD1A00904C340D0F0A00000000000000000000000000000000000000
IE: Unknown: 3D160D0F0A00000000000000000000000000000000000000
IE: Unknown: DD0900037F01010000FF7F
IE: Unknown: DD0A00037F04010002004000
IE: Unknown: DD840050F204104A0001101044000102103B0001031047001000000000000010000000C03F0E7A7DBA1021000D4E6574676561722C20496E632E10230008574E4452333730301024000456314831104200046E6F6E651054000800060050F204000110110015574E44523337303028576972656C65737320415029100800020086103C000103
Cell 02 - Address: 00:87:40:7F:03:FA
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=29/70 Signal level=-81 dBm
Encryption key:on
ESSID:"usmellgood"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s; 63.5 Mb/s
Mode:Master
Extra:tsf=000004a8941ee645
Extra: Last beacon: 6912ms ago
IE: Unknown: 000A75736D656C6C676F6F64
IE: Unknown: 010882848B960C121824
IE: Unknown: 030101
IE: Unknown: 2A0104
IE: Unknown: 32053048606CFF
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: 2D1A6E0013FF00000001000000000000000300000000000000000000
IE: Unknown: 3D1601000400000000000000000000000000000000000000
IE: Unknown: 7F080000000000000040
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: DD610050F204104A00011010440001021057000101103B00010310470010EFB16A7D15FE53578026BD9230154F4C1021000120102300012010240001201042000120105400080000000000000000101100012010080002210C1049000600372A000120
Cell 03 - Address: 68:A3:78:7F:A7:F4
Channel:4
Frequency:2.427 GHz (Channel 4)
Quality=22/70 Signal level=-88 dBm
Encryption key:on
ESSID:"Freebox-7FA7F3"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 22 Mb/s
6 Mb/s; 9 Mb/s; 12 Mb/s
Bit Rates:18 Mb/s; 24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=000000759211815f
Extra: Last beacon: 6588ms ago
IE: Unknown: 000E46726565626F782D374641374633
IE: Unknown: 010882848B962C0C1218
IE: Unknown: 030104
IE: Unknown: 050401020000
IE: Unknown: 2A0104
IE: Unknown: 3205243048606C
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 2D1AEC0003FFFFFF0001000000000000000100000000000000000000
IE: Unknown: 3D1604000400000000000000000000000000000000000000
IE: Unknown: 7F080000000000000040
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: DD220050F204104A00011010440001021057000101103C0001011049000600372A000120
IE: Unknown: DD0C0007CB010201000000000000
Cell 04 - Address: 68:A3:78:7F:A7:F5
Channel:4
Frequency:2.427 GHz (Channel 4)
Quality=23/70 Signal level=-87 dBm
Encryption key:off
ESSID:"FreeWifi"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 22 Mb/s
6 Mb/s; 9 Mb/s; 12 Mb/s
Bit Rates:18 Mb/s; 24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=000000759211815f
Extra: Last beacon: 6556ms ago
IE: Unknown: 00084672656557696669
IE: Unknown: 010882848B962C0C1218
IE: Unknown: 030104
IE: Unknown: 050401020000
IE: Unknown: 2A0104
IE: Unknown: 3205243048606C
IE: Unknown: 2D1AEC0003FFFFFF0001000000000000000100000000000000000000
IE: Unknown: 3D1604000400000000000000000000000000000000000000
IE: Unknown: 7F080000000000000040
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: DD0C0007CB010202000000000000
Cell 05 - Address: 80:EA:23:05:C8:64
Channel:6
Frequency:2.437 GHz (Channel 6)
Quality=56/70 Signal level=-54 dBm
Encryption key:on
ESSID:"PS4-D8ECA4972BD9"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=000000013b53a042
Extra: Last beacon: 6280ms ago
IE: Unknown: 00105053342D443845434134393732424439
IE: Unknown: 010882848B960C121824
IE: Unknown: 030106
IE: Unknown: 2A0100
IE: Unknown: 2D1A2C1103FFFF000000000000000000000000000000000000000000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 32043048606C
IE: Unknown: 3D1606000100000000000000000000000000000000000000
IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
Cell 06 - Address: D0:AE:EC:1A:F3:AE
Channel:12
Frequency:2.467 GHz (Channel 12)
Quality=43/70 Signal level=-67 dBm
Encryption key:on
ESSID:"skynet-global-network-station-4"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=00000139b6e69470
Extra: Last beacon: 5444ms ago
IE: Unknown: 001F736B796E65742D676C6F62616C2D6E6574776F726B2D73746174696F6E2D34
IE: Unknown: 010882848B960C121824
IE: Unknown: 03010C
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 2A0100
IE: Unknown: 32043048606C
IE: Unknown: DD180050F2020101880003A4000027A4000042435E0062322F00
IE: Unknown: 2D1A0C101BFFFF000000000000000000000000000000000000000000
IE: Unknown: 3D160C080800000000000000000000000000000000000000
IE: Unknown: DD0900037F01010000FF7F
IE: Unknown: DD0A00037F04010000000000
IE: Unknown: 0706465220010D14
Cell 07 - Address: E2:37:BF:07:5F:8A
Channel:13
Frequency:2.472 GHz (Channel 13)
Quality=62/70 Signal level=-48 dBm
Encryption key:on
ESSID:"DIRECT-SO"
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=0000000034de2b4d
Extra: Last beacon: 5440ms ago
IE: Unknown: 00094449524543542D534F
IE: Unknown: 01088C129824B048606C
IE: Unknown: 03010D
IE: Unknown: 2A0104
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 2D1A6C0013FFFF00000100000000002C010100000000000000000000
IE: Unknown: 3D160D000000000000000000000000000000000000000000
IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
IE: Unknown: DD720050F204104A0001101044000102103B00010310470010C155EF2D1D6D5A178CBC88489AD754AD102100084D6564696174656B102300064D5437367878102400012010420001201054000800070050F20400011011000B4B442D35355845373030351008000200001049000600372A000120
Cell 08 - Address: C0:3F:0E:7A:7D:BC
Channel:48
Frequency:5.24 GHz (Channel 48)
Quality=66/70 Signal level=-44 dBm
Encryption key:on
ESSID:"laurent-5g"
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=0000013a33925c3b
Extra: Last beacon: 4600ms ago
IE: Unknown: 000A6C617572656E742D3567
IE: Unknown: 01088C129824B048606C
IE: Unknown: 030130
IE: Unknown: 050401020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD180050F2020101830003A4000027A4000042435E0062322F00
IE: Unknown: DD1E00904C33CE011BFFFF000000000000000000000000000000000000000000
IE: Unknown: 2D1ACE011BFFFF000000000000000000000000000000000000000000
IE: Unknown: DD1A00904C34300F0A00000000000000000000000000000000000000
IE: Unknown: 3D16300F0A00000000000000000000000000000000000000
IE: Unknown: DD0900037F01010000FF7F
IE: Unknown: DD0A00037F04010002004000
IE: Unknown: DD270050F204104A00011010440001021047001000000000000010000000C03F0E7A7DBA103C000103
>> uname -r -m
4.18.0-15-generic x86_64
>> cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
>> nm-tool
>> nmcli dev wifi
IN-USE SSID MODE CHAN RATE SIGNAL BARS SECURITY
laurent-5g Infra 48 270 Mo/s 94 ▂▄▆█ WPA2
* laurent Infra 13 270 Mo/s 92 ▂▄▆█ WPA2
DIRECT-SO Infra 13 130 Mo/s 87 ▂▄▆█ WPA2
PS4-D8ECA4972BD9 Infra 6 130 Mo/s 77 ▂▄▆_ WPA2
skynet-global-network-station-4 Infra 12 130 Mo/s 55 ▂▄__ WPA2
FreeWifi_secure Infra 4 195 Mo/s 34 ▂▄__ WPA2 802.1X
usmellgood Infra 1 135 Mo/s 32 ▂▄__ WPA2
FreeWifi Infra 4 195 Mo/s 22 ▂___ --
Freebox-7FA7F3 Infra 4 195 Mo/s 20 ▂___ WPA2
DIRECT-CB-HP OfficeJet 3830 Infra 7 65 Mo/s 15 ▂___ WPA2
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NAME UUID TYPE DEVICE
laurent 90b2b673-5395-4baf-bda5-f2d90bac7c01 wifi wlp3s0
Connexion filaire 1 fc53fd67-1de0-3c15-968a-057c913a7ab7 ethernet --
>> nmcli connection status
>> sudo rfkill list
0: ideapad_wlan: Wireless LAN
Soft blocked: no
Hard blocked: no
1: ideapad_bluetooth: Bluetooth
Soft blocked: yes
Hard blocked: no
2: hci0: Bluetooth
Soft blocked: yes
Hard blocked: no
3: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no