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[PULL,06/11] net: Increase L2TPv3 buffer to fit jumboframes

Message ID 20230202062126.67550-7-jasowang@redhat.com
State New
Headers show
Series [PULL,01/11] net: Move the code to collect available NIC models to a separate function | expand

Commit Message

Jason Wang Feb. 2, 2023, 6:21 a.m. UTC 
From: Christian Svensson <blue@cmd.nu>

Increase the allocated buffer size to fit larger packets.
Given that jumboframes can commonly be up to 9000 bytes the closest suitable
value seems to be 16 KiB.

Tested by running qemu towards a Linux L2TPv3 endpoint and pushing
jumboframe traffic through the interfaces.

Signed-off-by: Christian Svensson <blue@cmd.nu>
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
 net/l2tpv3.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/net/l2tpv3.c b/net/l2tpv3.c
index 53b2d32..b5547cb 100644
--- a/net/l2tpv3.c
+++ b/net/l2tpv3.c
@@ -42,7 +42,7 @@ 
  */
 
 #define BUFFER_ALIGN sysconf(_SC_PAGESIZE)
-#define BUFFER_SIZE 2048
+#define BUFFER_SIZE 16384
 #define IOVSIZE 2
 #define MAX_L2TPV3_MSGCNT 64
 #define MAX_L2TPV3_IOVCNT (MAX_L2TPV3_MSGCNT * IOVSIZE)