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Assume MTU if not available from BlueZ

This commit is contained in:
Elara 2022-10-25 12:36:34 -07:00
parent 54fdd19bec
commit 0ad671d3f5
1 changed files with 7 additions and 1 deletions
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8
blefs/fs.go
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@ -199,7 +199,13 @@ func decode(data []byte, vals ...interface{}) error {
// to send in a packet. Subtracting 20 ensures that the MTU
// is never exceeded.
func (blefs *FS) maxData() uint16 {
return blefs.transferChar.Properties.MTU - 20
mtu := blefs.transferChar.Properties.MTU
// If MTU is zero, the current version of BlueZ likely
// doesn't support the MTU property, so assume 256.
if mtu == 0 {
mtu = 256
}
return mtu - 20
}
// padding returns a slice of len amount of 0x00.