net: PPP buffer too small for higher speed connections

1. This patch is based on the kernel of 2.6.32-rc7

2. In this patch, we enlarge the out buffer size to optimize the
   upload speed for the ppp connection. Then it can support the upload of
   HSUPA data cards.

Signed-off-by: fangxiaozhi <huananhu@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ppp_async.c b/drivers/net/ppp_async.c
index 30b1b33..c311fa6 100644 (file)
--- a/drivers/net/ppp_async.c
+++ b/drivers/net/ppp_async.c
@@ -36,7 +36,7 @@
 
 #define PPP_VERSION    "2.4.2"
 
-#define OBUFSIZE       256
+#define OBUFSIZE       4096
 
 /* Structure for storing local state. */
 struct asyncppp {