Nintendo Switch Brew

LDN services: Difference between revisions

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This is "nn::lp2p::GroupInfo". This is a 0x200-byte struct.
This is "nn::lp2p::GroupInfo". This is a 0x200-byte struct.


[[Mario Kart Live: Home Circuit|mklive]] sets the SSID to a string generated from random data, the key-data is also set to random data.
[[Mario Kart Live: Home Circuit|mklive]] sets the SSID to a string generated from random data, the PresharedKey is also set to random data.


{| class="wikitable" border="1"
{| class="wikitable" border="1"
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| 0x10 || 0x8 || LocalCommunicationId. When zero, the value from control.nacp is loaded. Used during key derivation.
| 0x10 || 0x8 || LocalCommunicationId. When zero, the value from control.nacp is loaded. Used during key derivation.
|-
|-
| 0x18 || 0x6 || "GROUP ID  (BSSID)" [[#GroupId]]. When zero, the default is used. The default should be used here: an error is thrown if the data here doesn't match the output from [[WLAN_services|wlan:lcl]] cmd2.
| 0x18 || 0x6 || [[#GroupId]] ("GROUP ID  (BSSID)"). When zero, the default is used. The default should be used here: an error is thrown if the data here doesn't match the output from [[WLAN_services|wlan:lcl]] cmd2.
|-
|-
| 0x1E || 0x21 || "GROUP NAME (SSID)" NUL-terminated string. If the SSID is invalid, a new SSID is generated, however in this case the original SSID must contain a '-' character.
| 0x1E || 0x21 || ServiceName ("GROUP NAME (SSID)"). NUL-terminated string. If the SSID is invalid, a new SSID is generated, however in this case the original SSID must contain a '-' character.
|-
|-
| 0x3F || 0x1 || s8 Flags_mask count.
| 0x3F || 0x1 || s8 Flags_mask count. Must be <=0x3F.
|-
|-
| 0x40 || {above count} || Array of s8 with the above count. Each entry is an array index used to load a set of flags from a global array with the specified index. loaded_flags below is masked with the flags loaded here. global_flags are also masked with flags loaded from here.
| 0x40 || {above count} || Array of s8 with the above count. Each entry is an array index used to load a set of flags from a global array with the specified index. loaded_flags below is masked with the flags loaded here. global_flags are also masked with flags loaded from here.
|-
|-
| 0x81 || 0x1 || s8, Must be <=0x8. During group creation this is passed to [[WLAN_services|wlan:lcl]] cmd40, when this is value 0 a default of value 1 is passed. During group-creation when the below +0x88 field is not value 0x2, the passed [[BTM_services#SetWlanMode|WlanMode]] is <code>x81_field_val > 3</code>.
| 0x80 || 0x1 || SupportedPlatform. 0 is PlatformIdNX, 1 is PlatformIdFuji.
|-
|-
| 0x84 || 0x2 || Wifi frequency: 24 = 2.4GHz, 50 = 5.0GHz.
| 0x81 || 0x1 || MemberCountMax. s8, Must be <=0x8. During group creation this is passed to [[WLAN_services|wlan:lcl]] cmd40, when this is value 0 a default of value 1 is passed. During group-creation when the below +0x88 field is not value 0x2, the passed [[BTM_services#SetWlanMode|WlanMode]] is <code>x81_field_val > 3</code>.
|-
|-
| 0x86 || 0x2 || "CHANNEL" s16. 0 = use default, otherwise this must be one of the following depending on the frequency field:
| 0x82 || 0x1 ||
|-
| 0x84 || 0x2 || Frequency. Wifi channel frequency: 24 = 2.4GHz, 50 = 5.0GHz.
|-
| 0x86 || 0x2 || Channel ("CHANNEL"). Wifi channel number. 0 = use default, otherwise this must be one of the following depending on the frequency field:
* 24: 1, 6, 11.
* 24: 1, 6, 11.
* 50: 36, 40, 44, 48.
* 50: 36, 40, 44, 48.
|-
|-
| 0x88 || 0x1 || Used during group-creation to determine the [[BTM_services#SetWlanMode|WlanMode]] to use. When this is value 0x2, mode=3 is used, otherwise it's determined via the +0x81 field.
| 0x88 || 0x1 || NetworkMode. Used during group-creation to determine the [[BTM_services#SetWlanMode|WlanMode]] to use. When this is value 0x2, mode=3 is used, otherwise it's determined via the +0x81 field.
|-
|-
| 0x89 || 0x1 ||  
| 0x89 || 0x1 || PerformanceRequirement.
|-
|-
| 0x8A || 0x1 || Security type. 0 = use defaults, 1 = plaintext, 2 = encrypted.
| 0x8A || 0x1 || Security type. 0 = use defaults, 1 = plaintext, 2 = encrypted.
|-
|-
| 0x8B || 0x1 || s8 KeyId. Used as the array-index for selecting the KeySource used with [[SPL_services#GenerateAesKek|GenerateAesKek]] during key derivation. Should be 1-2, otherwise GenerateAesKek is skipped and zeros are used for the AccessKey instead.
| 0x8B || 0x1 || StaticAesKeyIndex. s8, used as the array-index for selecting the KeySource used with [[SPL_services#GenerateAesKek|GenerateAesKek]] during key derivation. Should be 1-2, otherwise GenerateAesKek is skipped and zeros are used for the AccessKey instead.
|-
| 0x8D || 0x1 || Priority. Wifi channel priority.
|-
|-
| 0x8E || 0x1 || Bool flag, controls whether the SSID is hidden.
| 0x8E || 0x1 || StealthEnabled. Bool flag, controls whether the SSID is hidden.
|-
|-
| 0x8F || 0x1 || If zero, a default value of 0x20 is used.
| 0x8F || 0x1 || If zero, a default value of 0x20 is used.
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| 0x110 || {above count} || Array of s8 with the above count for total entries. The flags are loaded by: <nowiki>"loaded_flags |= BIT(s8_entryvalue)"</nowiki>, with each entry. Afterwards, loaded_flags is masked with 0x7. loaded_flags must be non-zero.
| 0x110 || {above count} || Array of s8 with the above count for total entries. The flags are loaded by: <nowiki>"loaded_flags |= BIT(s8_entryvalue)"</nowiki>, with each entry. Afterwards, loaded_flags is masked with 0x7. loaded_flags must be non-zero.
|-
|-
| 0x1C0 || 0x1 || Key data size. Must be 0x20.
| 0x1C0 || 0x1 || PresharedKeyBinarySize. Must be 0x20.
|-
|-
| 0x1C1 || 0x20 || Key data.
| 0x1C1 || 0x20 || PresharedKey.
|}
|}


Retrieved from "https://switchbrew.org/wiki/LDN_services"