yggdrasil-network/yggdrasil-go
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Fix MTU

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This commit is contained in:
ufm 2022-07-04 01:59:31 +03:00
parent 114ef7d2fd
commit 693326df17
1 changed files with 3 additions and 2 deletions
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5
src/core/core.go
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@ -228,7 +228,8 @@ func (c *Core) _close() error {
func (c *Core) MTU() uint64 { func (c *Core) MTU() uint64 {
const sessionTypeOverhead = 1 const sessionTypeOverhead = 1
return c.PacketConn.MTU() - sessionTypeOverhead const AESOverhead = 12 + 16 // nonce + tag
return c.PacketConn.MTU() - (sessionTypeOverhead + AESOverhead)
} }
func (c *Core) ReadFrom(p []byte) (n int, from net.Addr, err error) { func (c *Core) ReadFrom(p []byte) (n int, from net.Addr, err error) {
@ -301,7 +302,7 @@ func (c *Core) WriteTo(p []byte, addr net.Addr) (n int, err error) {
buf = append(buf, gcm.Seal(nonce, nonce, p, nil)...) buf = append(buf, gcm.Seal(nonce, nonce, p, nil)...)
n, err = c.PacketConn.WriteTo(buf, addr) n, err = c.PacketConn.WriteTo(buf, addr)
if n > 0 { if n > 0 {
n -= 1 + len(nonce) n -= 1 + 12 + 16
} }
} }
return return