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From: Алексей <ne-vlezay80@yandex.ru>
To: netdev@vger.kernel.org
Subject: [PATCH] User mode linux bump maximum MTU tuntap interface [RESAND]
Date: Tue, 2 Jul 2019 15:55:17 +0300	[thread overview]
Message-ID: <fc526c78-2d3f-90ca-8317-a89eb653cbf9@yandex.ru> (raw)
In-Reply-To: <54cee375-f1c3-a2b3-ea89-919b0af60433@yandex.ru>

Hello, the parameter  ETH_MAX_PACKET limited to 1500 bytes is the not
support jumbo frames.

This patch change ETH_MAX_PACKET the 65535 bytes to jumbo frame support
with user mode linux tuntap driver.


PATCH:

-------------------


diff -ruNP ../linux_orig/linux-5.1/arch/um/include/shared/net_user.h
./arch/um/include/shared/net_user.h
--- a/arch/um/include/shared/net_user.h    2019-05-06 00:42:58.000000000
+0000
+++ b/arch/um/include/shared/net_user.h    2019-07-02 07:14:13.593333356
+0000
@@ -9,7 +9,7 @@
 #define ETH_ADDR_LEN (6)
 #define ETH_HEADER_ETHERTAP (16)
 #define ETH_HEADER_OTHER (26) /* 14 for ethernet + VLAN + MPLS for
crazy people */
-#define ETH_MAX_PACKET (1500)
+#define ETH_MAX_PACKET (65535)
 
 #define UML_NET_VERSION (4)
 
-------------------
 


  reply	other threads:[~2019-07-02 13:00 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-01 16:29 [PATCH] User mode linux bump maximum MTU tuntap interface Алексей
2019-07-02 12:55 ` Алексей [this message]
2019-07-02 14:40   ` [PATCH] User mode linux bump maximum MTU tuntap interface [RESAND] Richard Weinberger
2019-07-02 14:47     ` Anton Ivanov
2019-07-12  9:22     ` Anton Ivanov
2019-07-12  9:40       ` Anton Ivanov

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