fix slow network

diff --git a/meta-bsp/common/recipes/linux/linux-vuplus-3.13.5/linux-tcp_output.patch b/meta-bsp/common/recipes/linux/linux-vuplus-3.13.5/linux-tcp_output.patch
new file mode 100644 (file)
index 0000000..cda1c68
--- /dev/null
+++ b/meta-bsp/common/recipes/linux/linux-vuplus-3.13.5/linux-tcp_output.patch
@@ -0,0 +1,13 @@
+diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
+index 7820f3a..fb6b332 100644
+--- a/net/ipv4/tcp_output.c
++++ b/net/ipv4/tcp_output.c
+@@ -51,7 +51,7 @@ int sysctl_tcp_retrans_collapse __read_mostly = 1;
+ int sysctl_tcp_workaround_signed_windows __read_mostly = 0;
+ 
+ /* Default TSQ limit of two TSO segments */
+-int sysctl_tcp_limit_output_bytes __read_mostly = 131072;
++int sysctl_tcp_limit_output_bytes __read_mostly = 4194304;
+ 
+ /* This limits the percentage of the congestion window which we
+  * will allow a single TSO frame to consume.  Building TSO frames

diff --git a/meta-bsp/common/recipes/linux/linux-vuplus_3.13.5.bb b/meta-bsp/common/recipes/linux/linux-vuplus_3.13.5.bb
index 08ed154..75d37d1 100644 (file)
--- a/meta-bsp/common/recipes/linux/linux-vuplus_3.13.5.bb
+++ b/meta-bsp/common/recipes/linux/linux-vuplus_3.13.5.bb
@@ -5,13 +5,14 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7"
 
 KV = "3.13.5"
 
-PR = "r3"
+PR = "r4"
 SRCREV = ""
 
 MODULE = "linux-3.13.5"
 
 SRC_URI += "http://archive.vuplus.com/download/kernel/stblinux-${KV}.tar.bz2 \
         file://rt2800usb_fix_warn_tx_status_timeout_to_dbg.patch \
+        file://linux-tcp_output.patch \
         file://${MACHINE}_defconfig \
        "