Sorry that the patch submited yesterday still contain a small bug. This version have already been test for hours with BT connections. The oops is now difficult to reproduce.
Signed-off-by: Wong Hoi Sing Edison <[EMAIL PROTECTED]> --- diff -urpN linux-2.6.18-rc6/net/ipv4/tcp_lp.c linux/net/ipv4/tcp_lp.c --- linux-2.6.18-rc6/net/ipv4/tcp_lp.c 2006-09-06 04:12:00.000000000 +0800 +++ linux/net/ipv4/tcp_lp.c 2006-09-06 04:24:07.000000000 +0800 @@ -3,13 +3,8 @@ * * TCP Low Priority is a distributed algorithm whose goal is to utilize only * the excess network bandwidth as compared to the ``fair share`` of - * bandwidth as targeted by TCP. Available from: - * http://www.ece.rice.edu/~akuzma/Doc/akuzma/TCP-LP.pdf + * bandwidth as targeted by TCP. * - * Original Author: - * Aleksandar Kuzmanovic <[EMAIL PROTECTED]> - * - * See http://www-ece.rice.edu/networks/TCP-LP/ for their implementation. * As of 2.6.13, Linux supports pluggable congestion control algorithms. * Due to the limitation of the API, we take the following changes from * the original TCP-LP implementation: @@ -24,11 +19,20 @@ * o OWD is handled in relative format, where local time stamp will in * tcp_time_stamp format. * - * Port from 2.4.19 to 2.6.16 as module by: - * Wong Hoi Sing Edison <[EMAIL PROTECTED]> - * Hung Hing Lun <[EMAIL PROTECTED]> + * Original Author: + * Aleksandar Kuzmanovic <[EMAIL PROTECTED]> + * Available from: + * http://www.ece.rice.edu/~akuzma/Doc/akuzma/TCP-LP.pdf + * Original implementation for 2.4.19: + * http://www-ece.rice.edu/networks/TCP-LP/ + * + * 2.6.x module Authors: + * Wong Hoi Sing, Edison <[EMAIL PROTECTED]> + * Hung Hing Lun, Mike <[EMAIL PROTECTED]> + * SourceForge project page: + * http://tcp-lp-mod.sourceforge.net/ * - * Version: $Id: tcp_lp.c,v 1.22 2006-05-02 18:18:19 hswong3i Exp $ + * Version: $Id: tcp_lp.c,v 1.24 2006/09/05 20:22:53 hswong3i Exp $ */ #include <linux/config.h> @@ -153,16 +157,19 @@ static u32 tcp_lp_remote_hz_estimator(st if (m < 0) m = -m; - if (rhz != 0) { + if (rhz > 0) { m -= rhz >> 6; /* m is now error in remote HZ est */ rhz += m; /* 63/64 old + 1/64 new */ } else rhz = m << 6; + out: /* record time for successful remote HZ calc */ - lp->flag |= LP_VALID_RHZ; + if (rhz > 0) + lp->flag |= LP_VALID_RHZ; + else + lp->flag &= ~LP_VALID_RHZ; - out: /* record reference time stamp */ lp->remote_ref_time = tp->rx_opt.rcv_tsval; lp->local_ref_time = tp->rx_opt.rcv_tsecr; @@ -333,6 +340,6 @@ static void __exit tcp_lp_unregister(voi module_init(tcp_lp_register); module_exit(tcp_lp_unregister); -MODULE_AUTHOR("Wong Hoi Sing Edison, Hung Hing Lun"); +MODULE_AUTHOR("Wong Hoi Sing Edison, Hung Hing Lun Mike"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("TCP Low Priority"); - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
