[TCP] Vegas: Increase default alpha to 2 and beta to 4.

This helps Vegas cope better with delayed ACKs, see
analysis at:

http://www.cs.caltech.edu/%7Eweixl/technical/ns2linux/known_linux/index.html#vegas



Signed-off-by: David S. Miller <davem@davemloft.net>

parent 6b57c93d

net/ipv4/tcp_vegas.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -42,8 +42,8 @@
		* with V_PARAM_SHIFT bits to the right of the binary point.
		*/
		#define V_PARAM_SHIFT 1
		static int alpha = 1<<V_PARAM_SHIFT;
		static int beta = 3<<V_PARAM_SHIFT;
		static int alpha = 2<<V_PARAM_SHIFT;
		static int beta = 4<<V_PARAM_SHIFT;
		static int gamma = 1<<V_PARAM_SHIFT;

		module_param(alpha, int, 0644);