lazardo DD-WRT User
Joined: 17 Apr 2014 Posts: 135 Location: SF Bay Area
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Posted: Wed Sep 04, 2019 3:23 Post subject: wireguard loads ipv6.ko |
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Tested wireguard on v3.0-r40189 mega [ 3.10.108-d8 #25233] and noticed that ipv6.ko was loaded regardless of 'ipv6_enable=0'. Once loaded, it cannot be unloaded which locks ~350KB memory till next cycle.
Probably corrected in later builds.
default Code: | root@dd-wrt:/tmp# lsmod
Module Size Used by
xt_DSCP 1424 1
shortcut_fe 133104 0
usb_storage 38176 0
sr_mod 11680 0
cdrom 31280 1 sr_mod
sd_mod 26960 0
scsi_mod 75648 3 usb_storage,sr_mod,sd_mod
ohci_hcd 15520 0
ehci_pci 2496 0
ehci_hcd 32016 1 ehci_pci
usbcore 118960 5 usb_storage,ohci_hcd,ehci_pci,ehci_hcd
usb_common 1040 1 usbcore
switch_robo 10096 0
switch_core 5184 1 switch_robo |
+ wireguard Code: | root@dd-wrt:/tmp# lsmod
Module Size Used by
wireguard 85360 0
ip_tunnel 10480 1 wireguard
ipv6 263840 9 wireguard
shortcut_fe 133104 0
xt_DSCP 1424 1
usb_storage 38176 0
sr_mod 11680 0
cdrom 31280 1 sr_mod
sd_mod 26960 0
scsi_mod 75648 3 usb_storage,sr_mod,sd_mod
ohci_hcd 15520 0
ehci_pci 2496 0
ehci_hcd 32016 1 ehci_pci
usbcore 118960 5 usb_storage,ohci_hcd,ehci_pci,ehci_hcd
usb_common 1040 1 usbcore
switch_robo 10096 0
switch_core 5184 1 switch_robo |
- wireguard Code: | root@dd-wrt:/tmp# lsmod
Module Size Used by
ipv6 263840 8
shortcut_fe 133104 0
xt_DSCP 1424 1
usb_storage 38176 0
sr_mod 11680 0
cdrom 31280 1 sr_mod
sd_mod 26960 0
scsi_mod 75648 3 usb_storage,sr_mod,sd_mod
ohci_hcd 15520 0
ehci_pci 2496 0
ehci_hcd 32016 1 ehci_pci
usbcore 118960 5 usb_storage,ohci_hcd,ehci_pci,ehci_hcd
usb_common 1040 1 usbcore
switch_robo 10096 0
switch_core 5184 1 switch_robo
root@dd-wrt:/tmp# rmmod -f ipv6; echo $?
1
root@dd-wrt:/tmp# ps | grep ipv6
27297 root 0 SW< [ipv6_addrconf]
32361 root 1160 S grep ipv6 |
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