meshtastic-protobuf/mesh.options

# options for nanopb
# https://jpa.kapsi.fi/nanopb/docs/reference.html#proto-file-options

*macaddr max_size:6 fixed_length:true # macaddrs
*id max_size:16 # node id strings

*User.long_name max_size:40
*User.short_name max_size:5

*RouteDiscovery.route max_count:8

# FIXME, max out based on total Data size And do fragmentation and reassembly (for larger payloads) at the Android layer, not the esp32 layer.
# note: this payload length is ONLY the bytes that are sent inside of the radiohead packet.  The 16 byte header is outside of this envelope
*Data.payload max_size:237

*MyNodeInfo.firmware_version max_size:12
*MyNodeInfo.hw_model max_size:16
*MyNodeInfo.region max_size:12

# Note: the actual limit (because of header bytes) on the size of encrypted payloads is 251 bytes, but I use 256
# here because we might need to fill with zeros for padding to encryption block size (16 bytes per block)
*MeshPacket.encrypted max_size:256
*MeshPacket.payloadVariant anonymous_oneof:true
*MeshPacket.hop_limit int_size:8
*MeshPacket.channel int_size:8

*ToRadio.payloadVariant anonymous_oneof:true

*FromRadio.payloadVariant anonymous_oneof:true

*Routing.variant anonymous_oneof:true

*LogRecord.message max_size:64
*LogRecord.source max_size:8

# MyMessage.name         max_size:40 
# or fixed_length or fixed_count, or max_count