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* [PATCH] tun/netstack: implement MaxHeaderLength
@ 2022-03-11  5:28 john
  2022-03-14 19:07 ` Jason A. Donenfeld
  0 siblings, 1 reply; 2+ messages in thread
From: john @ 2022-03-11  5:28 UTC (permalink / raw)
  To: wireguard; +Cc: John Sahhar

From: John Sahhar <john@gravitl.com>

Signed-off-by: John Sahhar <john@gravitl.com>
---
 tun/netstack/tun.go | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/tun/netstack/tun.go b/tun/netstack/tun.go
index 8b1bb7f..94b59f8 100644
--- a/tun/netstack/tun.go
+++ b/tun/netstack/tun.go
@@ -71,8 +71,11 @@ func (*endpoint) Capabilities() stack.LinkEndpointCapabilities {
 	return stack.CapabilityNone
 }
 
-func (*endpoint) MaxHeaderLength() uint16 {
-	return 0
+func (e *endpoint) MaxHeaderLength() uint16 {
+	if e.hasV6 && !e.hasV4 {
+		return 40
+	}
+	return 60
 }
 
 func (*endpoint) LinkAddress() tcpip.LinkAddress {
-- 
2.32.0


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] tun/netstack: implement MaxHeaderLength
  2022-03-11  5:28 [PATCH] tun/netstack: implement MaxHeaderLength john
@ 2022-03-14 19:07 ` Jason A. Donenfeld
  0 siblings, 0 replies; 2+ messages in thread
From: Jason A. Donenfeld @ 2022-03-14 19:07 UTC (permalink / raw)
  To: john; +Cc: WireGuard mailing list

Can you describe what this is doing in a real commit message? And why
is the v6 case smaller than v4?

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2022-03-11  5:28 [PATCH] tun/netstack: implement MaxHeaderLength john
2022-03-14 19:07 ` Jason A. Donenfeld

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