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Network Interface services: Difference between revisions

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= nifm:a =
= nifm:a, nifm:s, nifm:u =
This is "nn::nifm::detail::IStaticService".
These are "nn::nifm::detail::IStaticService".
 
Max sessions: nifm:a = 0x2, nifm:s = 0x10, nifm:u = 0x5.
 
nifm:u = User, nifm:s = System, and nifm:a = Admin.


== IStaticService ==
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
! Cmd || Name || Notes
! Cmd || Name
|-  
|-  
| 4 || CreateGeneralService ([3.0.0+] CreateGeneralServiceOld) || Returns an [[#IGeneralService]].
| 4 || [[#CreateGeneralServiceOld]] ([1.0.0-2.3.0] CreateGeneralService)
|-
| 5 || [3.0.0+] CreateGeneralService || Returns an [[#IGeneralService]].
|-
|-
| 5 || [3.0.0+] [[#CreateGeneralService]]
|}
|}


=== IGeneralService ===
== CreateGeneralServiceOld ==
No input, returns an [[#IGeneralService]].
 
== CreateGeneralService ==
Takes a PID and an input u64 reserved_pid, returns an [[#IGeneralService]].
 
== IGeneralService ==
This is "nn::nifm::detail::IGeneralService".
 
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
! Cmd || Name || Notes
! Cmd || Name
|-
| 1 || [[#GetClientId]]
|-
| 2 || [[#CreateScanRequest]]
|-
| 4 || [[#CreateRequest]]
|-
| 5 || [[#GetCurrentNetworkProfile]]
|-
| 6 || EnumerateNetworkInterfaces
|-
| 7 || EnumerateNetworkProfiles
|-
| 8 || [[#GetNetworkProfile]]
|-
| 9 || [[#SetNetworkProfile]]
|-
| 10 || RemoveNetworkProfile
|-
| 11 || GetScanDataOld ([1.0.0-3.0.2] GetScanData)
|-
|-
| 1 || GetClientId ||
| 12 || [[#GetCurrentIpAddress]]
|-
|-
| 2 || CreateScanRequest || Returns an [[#IScanRequest]].
| 13 || GetCurrentAccessPointOld ([1.0.0-3.0.2] GetCurrentAccessPoint)
|-
|-
| 4 || CreateRequest || Returns an [[#IRequest]].
| 14 || [[#CreateTemporaryNetworkProfile]]
|-
|-
| 5 || GetCurrentNetworkProfile ||
| 15 || [[#GetCurrentIpConfigInfo]]
|-
|-
| 6 || EnumerateNetworkInterfaces ||
| 16 || SetWirelessCommunicationEnabled
|-
|-
| 7 || EnumerateNetworkProfiles ||
| 17 || IsWirelessCommunicationEnabled
|-
|-
| 8 || GetNetworkProfile ||
| 18 || GetInternetConnectionStatus
|-
|-
| 9 || SetNetworkProfile ||
| 19 || SetEthernetCommunicationEnabled
|-
|-
| 10 || RemoveNetworkProfile ||
| 20 || IsEthernetCommunicationEnabled
|-
|-
| 11
| 21 || [[#IsAnyInternetRequestAccepted]]
| [1.0.0-3.0.2] GetScanData
[4.0.0+] GetScanDataOld
|
|-
|-
| 12 || GetCurrentIpAddress ||
| 22 || IsAnyForegroundRequestAccepted
|-
|-
| 13
| 23 || PutToSleep
| [1.0.0-3.0.2] GetCurrentAccessPoint
[4.0.0+] GetCurrentAccessPointOld
|
|-
|-
| 14 || CreateTemporaryNetworkProfile || Returns an [[#INetworkProfile]].
| 24 || WakeUp
|-
|-
| 15 || GetCurrentIpConfigInfo ||
| 25 || GetSsidListVersion
|-
|-
| 16 || SetWirelessCommunicationEnabled ||
| 26 || SetExclusiveClient
|-
|-
| 17 || IsWirelessCommunicationEnabled ||
| 27 || GetDefaultIpSetting
|-
|-
| 18 || GetInternetConnectionStatus ||
| 28 || SetDefaultIpSetting
|-
|-
| 19 || SetEthernetCommunicationEnabled ||
| 29 || SetWirelessCommunicationEnabledForTest
|-
|-
| 20 || IsEthernetCommunicationEnabled ||
| 30 || SetEthernetCommunicationEnabledForTest
|-
|-
| 21 || IsAnyInternetRequestAccepted ||
| 31 || [2.0.0+] GetTelemetorySystemEventReadableHandle
|-
|-
| 22 || IsAnyForegroundRequestAccepted ||
| 32 || [2.0.0+] GetTelemetryInfo
|-
|-
| 23 || PutToSleep ||
| 33 || [2.0.0+] ConfirmSystemAvailability
|-
|-
| 24 || WakeUp ||
| 34 || [4.0.0+] SetBackgroundRequestEnabled
|-
|-
| 25 || GetSsidListVersion ||
| 35 || [4.0.0+] GetScanData
|-
|-
| 26 || SetExclusiveClient ||
| 36 || [4.0.0+] GetCurrentAccessPoint
|-
|-
| 27 || GetDefaultIpSetting ||
| 37 || [4.0.0+] Shutdown
|-
|-
| 28 || SetDefaultIpSetting ||
| 38 || [6.0.0+] GetAllowedChannels
|-
|-
| 29 || SetWirelessCommunicationEnabledForTest ||
| 39 || [8.0.0+] NotifyApplicationSuspended
|-
|-
| 30 || SetEthernetCommunicationEnabledForTest ||
| 40 || [8.0.0+] SetAcceptableNetworkTypeFlag
|-
|-
| 31 || [2.0.0+] GetTelemetorySystemEventReadableHandle ||
| 41 || [8.0.0+] GetAcceptableNetworkTypeFlag
|-
|-
| 32 || [2.0.0+] GetTelemetryInfo ||
| 42 || [8.0.0+] NotifyConnectionStateChanged
|-
|-
| 33 || [2.0.0+] ConfirmSystemAvailability ||
| 43 || [9.0.0+] [[#SetWowlDelayedWakeTime]]
|-
|-
| 34 || [4.0.0+] SetBackgroundRequestEnabled ||
| 44 || [18.0.0+] IsWiredConnectionAvailable
|-
|-
| 35 || [4.0.0+] GetScanData ||
| 45 || [18.0.0+] IsNetworkEmulationFeatureEnabled
|-
|-
| 36 || [4.0.0+] GetCurrentAccessPoint ||
| 46 || [18.0.0+] SelectActiveNetworkEmulationProfileIdForDebug
|-
|-
| 37 || [4.0.0+] Shutdown ||
| 47 || [19.0.0+] GetScanData
|-
|-
| 48 || [20.0.0+] ResetActiveNetworkEmulationProfileId
|-
| 49 || [18.0.0+] GetActiveNetworkEmulationProfileId
|-
| 50 || [18.0.0+] IsRewriteFeatureEnabled
|-
| 51 || [18.0.0+] CreateRewriteRule
|-
| 52 || [18.0.0+] DestroyRewriteRule
|-
| 53 || [20.0.0+] IsActiveNetworkEmulationProfileIdSelected
|-
| 54 || [20.0.0+] SelectDefaultNetworkEmulationProfileId
|-
| 55 || [20.0.0+] GetDefaultNetworkEmulationProfileId
|-
| 56 || [20.0.0+] GetNetworkEmulationProfile
|-
| 57 || [20.0.0+] SetWowlTcpKeepAliveTimeout
|}
|}


==== IScanRequest ====
=== GetClientId ===
Takes a type-0x1A output buffer containing a [[#ClientId]], no output.
 
The wrapper for this with official sw will return 0 when any errors occur (wrapper returns [[#ClientId]] not Result).
 
=== CreateScanRequest ===
No input, returns an output [[#IScanRequest]].
 
=== CreateRequest ===
Takes an input s32 "nn::nifm::RequirementPreset", returns an output [[#IRequest]].
 
sdknso loads the s32 from "nn::nifm::RequestParameters", which has hard-coded value 0x2.
 
=== GetCurrentNetworkProfile ===
Takes a type-0x1A output buffer containing a [[#SfNetworkProfileData]].
 
sdknso converts the output to [[#NetworkProfileData]].
 
=== GetNetworkProfile ===
Takes an input "nn::util::Uuid" (same Uuid from [[#SfNetworkProfileData]]) and a type-0x1A output buffer containing a [[#SfNetworkProfileData]].
 
sdknso converts the output to [[#NetworkProfileData]].
 
=== SetNetworkProfile ===
Takes a type-0x19 input buffer containing a [[#SfNetworkProfileData]] and returns an output "nn::util::Uuid".
 
sdknso converts the input to [[#SfNetworkProfileData]], which is then passed to the cmd.
 
This is only available with nifm:a.
 
=== GetCurrentIpAddress ===
No input, returns an output [[#IpV4Address]].
 
=== CreateTemporaryNetworkProfile ===
Returns an [[#INetworkProfile]].
 
=== GetCurrentIpConfigInfo ===
No input, returns an output [[#IpAddressSetting]] and a [[#DnsSetting]].
 
=== IsAnyInternetRequestAccepted ===
Takes a type-0x19 input buffer containing a [[#ClientId]], returns an output u8 bool.
 
The wrapper for this with official sw will return 0 when any errors occur (wrapper returns bool not Result).
 
=== SetWowlDelayedWakeTime ===
Takes an input s32, no output.
 
This requires nifm:a/nifm:s.
 
This goes through a list of objects to call a vfunc with the input value, that func then writes the input into the object state. The default value is 0. This field in state is later used for [[WLAN_services|wlaninf]] cmd30.
 
=== IScanRequest ===
This is "nn::nifm::detail::IScanRequest".
 
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
Line 111: Line 207:
| 3 || GetSystemEventReadableHandle
| 3 || GetSystemEventReadableHandle
|-
|-
| 4 || [6.0.0+] SetChannels
|}
|}


==== IRequest ====
=== IRequest ===
This is "nn::nifm::detail::IRequest".
 
This represents an application or sysmodule's request to bring a network up.
 
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
! Cmd || Name
! Cmd || Name
|-  
|-  
| 0 || GetRequestState
| 0 || [[#GetRequestState]]
|-
|-
| 1 || GetResult
| 1 || [[#GetResult]]
|-
|-
| 2 || GetSystemEventReadableHandles
| 2 || [[#GetSystemEventReadableHandles]]
|-
|-
| 3 || Cancel
| 3 || [[#Cancel]]
|-
|-
| 4 || Submit
| 4 || [[#Submit]]
|-
|-
| 5 || SetRequirement
| 5 || [[#SetRequirement]]
|-
|-
| 6 || SetRequirementPreset
| 6 || SetRequirementPreset
Line 138: Line 239:
| 10 || SetRejectable
| 10 || SetRejectable
|-
|-
| 11 || SetConnectionConfirmationOption
| 11 || [[#SetConnectionConfirmationOption]]
|-
|-
| 12 || SetPersistent
| 12 || [[#SetPersistent]]
|-
|-
| 13 || SetInstant
| 13 || SetInstant
Line 154: Line 255:
| 18 || SetRequirementByRevision
| 18 || SetRequirementByRevision
|-
|-
| 19 || GetRequirement
| 19 || [[#GetRequirement]]
|-
|-
| 20 || GetRevision
| 20 || GetRevision
|-
|-
| 21 || GetAppletInfo
| 21 || [[#GetAppletInfo]]
|-
|-
| 22 || GetAdditionalInfo
| 22 || GetAdditionalInfo
|-
|-
| 23 || SetKeptInSleep
| 23 || [3.0.0+] [[#SetKeptInSleep]]
|-
| 24 || RegisterSocketDescriptor
|-
|-
| 25 || UnregisterSocketDescriptor
| 24 || [3.0.0+] [[#RegisterSocketDescriptor]]
|-
|-
| 25 || [3.0.0+] [[#UnregisterSocketDescriptor]]
|}
|}


==== INetworkProfile ====
==== GetRequestState ====
No input. Returns an output [[#RequestState]].
 
==== GetResult ====
No input/output.
 
If the request enters state 1, this command can be used to determine why. It responds with the nice networking error codes that there are support pages for.
 
==== GetSystemEventReadableHandles ====
No input, returns two Event handles. The first one signals when the RequestState changes.
 
This is used immediately after [[#CreateRequest]].
 
sdknso uses EventClearMode=1 for the first Event, for the second Event this can be user-specified or a default value of 1.
 
==== Cancel ====
No input/output.
 
Cancels the request to bring the network up.
 
==== Submit ====
No input/output.
 
Submits the request to bring the network up. Call this after configuring the request.
 
==== SetRequirement ====
Takes a total of 0x20-bytes of input, no output.
 
[3.0.0+] Takes an additional 4-bytes of input.
 
==== SetConnectionConfirmationOption ====
Takes an input [[#ConnectionConfirmationOption]]. No output.
 
==== SetPersistent ====
If this is set, when the network connection is lost, rather than causing the request to enter state 1, it will instead enter state 2 and attempt to bring the network back up again.
 
==== GetRequirement ====
No input, returns a total of 0x20-bytes of output.
 
[3.0.0+] Returns an additional 4-bytes of output.
 
==== GetAppletInfo ====
Takes an input u32, a type-0x6 output buffer, and 3 output u32s.
 
sdknso uses the output from this to launch a LibraryApplet.
 
The input u32 is set to the output from <code>nn::applet::GetExpectedThemeColorForSystem()</code>.
 
The output u32s are: [[Applet_Manager_services#AppletId|AppletId]], [[Applet_Manager_services#LibraryAppletMode|LibraryAppletMode]], out_size.
 
sdknso uses size 0x1000 for the buffer.
 
The out_size is the total data size written to the output buffer. The buffer contains an array of: {s32 size} {data with the specified size}, with size==-1 indicating that the end of the array was reached. The data from here is pushed as applet input storage.
 
The returned AppletId is one of the following: error, wifiWebAuth, or netConnect.
 
==== SetKeptInSleep ====
Takes an input bool, no output.
 
[[#GetRequestState|RequestState]] must be value 1. This sets a flag in state.
 
==== RegisterSocketDescriptor ====
Takes an input s32 sockfd, no output.
 
[[#GetRequestState|RequestState]] must be value 3. Only 1 socket can be registered at a time per IRequest. The specified sockfd is written into state.
 
During sleep-entry, [[WLAN_services|wlan:inf]] cmd19 is eventually used with data from currently-open IRequest objects' registered-sockets. Note however, the wlaninf cmd only supports a single set of data, hence if there's more than 1 IRequest with a registered socket only the last object in the list will actually get used during wlan:inf RequestSleep.
 
==== UnregisterSocketDescriptor ====
Takes an input s32 sockfd, no output.
 
[[#GetRequestState|RequestState]] must be value 3. The input sockfd must match the one previously registered with [[#RegisterSocketDescriptor]].
 
=== INetworkProfile ===
This is "nn::nifm::detail::INetworkProfile".
 
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
Line 177: Line 352:
| 0 || Update
| 0 || Update
|-
|-
| 1 || Persist ([3.0.0+] PersistOld)
| 1 || PersistOld ([1.0.0-2.3.0] Persist)
|-
|-
| 2 || [3.0.0+] Persist
| 2 || [3.0.0+] Persist
|}
= ClientId =
This is "nn::nifm::ClientId". This is a 0x4-byte struct.
= SfNetworkProfileData =
This is "nn::nifm::detail::sf::NetworkProfileData". This is a 0x17C-byte struct. This is converted to/from [[#NetworkProfileData]] by sdknso.
{| class="wikitable" border="1"
|-
|-
! Offset
! Size
! Description
|-
| 0x0 || 0xC2 || [[#IpSettingData|IpSetting]]
|-
| 0xC2 || 0x10 || Id
|-
| 0xD2 || 0x40 || Name (NUL-terminated Network Name string)
|-
| 0x112 || 0x1 ||
|-
| 0x113 || 0x1 ||
|-
| 0x114 || 0x1 ||
|-
| 0x115 || 0x1 ||
|-
| 0x116 || 0x65 || [[#SfWirelessSettingData|SfWirelessSettingData]]
|-
| 0x17B || 0x1 || Reserved
|}
|}


= nifm:s =
= NetworkProfileData =
Same as [[#nifm:a|nifm:a]].
This is "nn::nifm::NetworkProfileData". This is converted from/to [[#SfNetworkProfileData]] by sdknso.


= nifm:u =
{| class="wikitable" border="1"
Same as [[#nifm:a|nifm:a]].
|-
! Offset
! Size
! Description
|-
| 0x0 || 0x10 || Id
|-
| 0x10 || 0x40 || Name (NUL-terminated Network Name string)
|-
| 0x50 || 0x4 || [[#NetworkProfileType|NetworkProfileType]]
|-
| 0x54 || 0x4 || [[#NetworkInterfaceType|NetworkInterfaceType]]
|-
| 0x58 || 0x1 || IsAutoConnect
|-
| 0x59 || 0x1 || IsLargeCapacity
|-
| 0x5A || 0x2 || Reserved
|-
| 0x5C || 0x70 || [[#WirelessSettingData|WirelessSetting]]
|-
| 0xCC || 0xC2 || [[#IpSettingData|IpSetting]]
|}
 
= NetworkProfileType =
This is "nn::nifm::NetworkProfileType".
 
{| class="wikitable" border="1"
|-
! Bits
! Description
|-
| 0 || User
|-
| 1 || SsidList
|-
| 2 || Temporary
|}
 
= NetworkInterfaceType =
This is "nn::nifm::NetworkInterfaceType".
 
{| class="wikitable" border="1"
|-
! Value
! Description
|-
| 0 || Invalid
|-
| 1 || Ieee80211
|-
| 2 || Ethernet
|}
 
= SfWirelessSettingData =
This is a 0x65-byte struct. This is converted to/from [[#WirelessSettingData]] during the [[#NetworkProfileData]] conversion.
 
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0 || 0x21 || [[#Ssid|Ssid]] (length is clamped to 0x20 during [[#NetworkProfileData]] conversion)
|-
| 0x21 || 0x1 ||
|-
| 0x22 || 0x1 ||
|-
| 0x23 || 0x1 ||
|-
| 0x24 || 0x41 || [[#SharedKey|SharedKey]]
|}
 
= WirelessSettingData =
This is "nn::nifm::WirelessSettingData". This is a 0x70-byte struct.
 
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0 || 0x22 || [[#SsidConfig|SsidConfig]]
|-
| 0x23 || 0x2 || Reserved
|-
| 0x24 || 0x4C || [[#Security|Security]]
|}
 
= SsidConfig =
This is "nn::nifm::SsidConfig". This is a 0x22-byte struct.
 
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0 || 0x21 || [[#Ssid|Ssid]]
|-
| 0x21 || 0x1 || NonBroadcast
|}
 
= Security =
This is "nn::nifm::Security". This is a 0x4C-byte struct.
 
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0 || 0x8 || [[#AuthEncryption|AuthEncryption]]
|-
| 0x8 || 0x41 || [[#SharedKey|SharedKey]]
|-
| 0x49 || 0x3 || Reserved
|}
 
= Ssid =
This is "nn::nifm::Ssid". This is a 0x21-byte struct.
 
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0 || 0x1 || Length
|-
| 0x1 || 0x20 || Hex (NUL-terminated SSID string)
|}
 
= AuthEncryption =
This is "nn::nifm::AuthEncryption". This is a 0x8-byte struct.
 
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0 || 0x4 || [[#Authentication|Authentication]]
|-
| 0x4 || 0x4 || [[#Encryption|Encryption]]
|}
 
= SharedKey =
This is "nn::nifm::SharedKey". This is a 0x41-byte struct.
 
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0 || 0x1 || Length
|-
| 0x1 || 0x40 || KeyMaterial
|}
 
= Authentication =
This is "nn::nifm::Authentication".
 
{| class="wikitable" border="1"
|-
! Value
! Description
|-
| 0 || Invalid
|-
| 1 || Open
|-
| 2 || Shared
|-
| 3 || Wpa
|-
| 4 || WpaPsk
|-
| 5 || Wpa2
|-
| 6 || Wpa2Psk
|-
| 7 || Unknown
|}
 
= Encryption =
This is "nn::nifm::Encryption".
 
{| class="wikitable" border="1"
|-
! Value
! Description
|-
| 0 || Invalid
|-
| 1 || None
|-
| 2 || Wep
|-
| 3 || Tkip
|-
| 4 || Aes
|}
 
= IpSettingData =
This is "nn::nifm::IpSettingData". This is a 0xC2-byte struct.
 
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0 || 0xD || [[#IpAddressSetting|Ip]]
|-
| 0xD || 0x9 || [[#DnsSetting|Dns]]
|-
| 0x16 || 0xAA || [[#ProxySetting|Proxy]]
|-
| 0xC0 || 0x2 || Mtu
|}
 
= ProxySetting =
This is "nn::nifm::ProxySetting". This is a 0xAA-byte struct.
 
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0 || 0x1 || IsEnabled
|-
| 0x1 || 0x1 || Reserved
|-
| 0x2 || 0x2 || Port
|-
| 0x4 || 0x64 || Proxy (server string, NUL-terminated)
|-
| 0x68 || 0x41 || [[#AuthenticationSetting|Authentication]]
|-
| 0xA9 || 0x1 || Reserved
|}
 
= AuthenticationSetting =
This is "nn::nifm::AuthenticationSetting". This is a 0x41-byte struct.
 
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0 || 0x1 || IsEnabled
|-
| 0x1 || 0x20 || Username (user string, NUL-terminated)
|-
| 0x21 || 0x20 || Password (password string, NUL-terminated)
|}
 
= IpV4Address =
This is "nn::nifm::IpV4Address". This is a 0x4-byte struct.
 
sdknso copies this into <code>struct in_addr</code>.
 
= IpAddressSetting =
This is "nn::nifm::IpAddressSetting". This is a 0xD-byte struct.
 
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0 || 0x1 || IsAuto (Ignored by [[#GetCurrentIpConfigInfo]])
|-
| 0x1 || 0x4 || IpAddress (Copied to an output <code>struct in_addr</code> by sdknso)
|-
| 0x5 || 0x4 || SubnetMask (Copied to an output <code>struct in_addr</code> by sdknso)
|-
| 0x9 || 0x4 || DefaultGateway (Copied to an output <code>struct in_addr</code> by sdknso)
|}
 
= DnsSetting =
This is "nn::nifm::DnsSetting". This is a 0x9-byte struct.
 
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0 || 0x1 || IsAuto (Ignored by [[#GetCurrentIpConfigInfo]])
|-
| 0x1 || 0x4 || PreferredDns (Copied to an output <code>struct in_addr</code> by sdknso)
|-
| 0x5 || 0x4 || AlternateDns (Copied to an output <code>struct in_addr</code> by sdknso)
|}
 
= RequestState =
This is "nn::nifm::RequestState".
 
{| class="wikitable" border="1"
|-
! Value
! Description
|-
| 0 || Invalid
|-
| 1 || Free
|-
| 2 || OnHold
|-
| 3 || Accepted
|-
| 4 || Blocking
|}
 
= ConnectionConfirmationOption =
This is "nn::nifm::ConnectionConfirmationOption".
 
{| class="wikitable" border="1"
|-
! Value
! Description
|-
| 0 || Invalid
|-
| 1 || Prohibited
|-
| 2 || NotRequired
|-
| 3 || Preferred
|-
| 4 || Required
|-
| 5 || Forced
|}


[[Category:Services]]
[[Category:Services]]
Retrieved from "https://switchbrew.org/wiki/Network_Interface_services"