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From: john@gravitl.com
To: wireguard@lists.zx2c4.com
Cc: John Sahhar <john@gravitl.com>
Subject: [PATCH] tun/netstack: implement MaxHeaderLength
Date: Thu, 10 Mar 2022 23:28:32 -0600	[thread overview]
Message-ID: <20220311052832.86700-1-john@gravitl.com> (raw)

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


             reply	other threads:[~2022-03-14 17:17 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-11  5:28 john [this message]
2022-03-14 19:07 ` Jason A. Donenfeld

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