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Gerrit Renker 59b80802a8 dccp: make implementation of Syn-RTT symmetric 
This patch is thanks to Andre Noll who reported the issue and helped testing.

The Syn-RTT sampled during the initial handshake currently only works for
the client sending the DCCP-Request. TFRC penalizes the absence of an RTT
sample with a very slow initial speed (1 packet per second), which delays
slow-start significantly, resulting in sluggish performance.

This patch mirrors the "Syn RTT" principle by adding a timestamp also onto
the DCCP-Response, producing an RTT sample  when the (Data)Ack completing
the handshake arrives.

Also changed the documentation to 'TFRC' since Syn RTTs are also used by CCID-4.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-25 21:33:15 -07:00
..
9p kernel-wide: replace USHORT_MAX, SHORT_MAX and SHORT_MIN with USHRT_MAX, SHRT_MAX and SHRT_MIN 2010-05-25 08:07:02 -07:00
802 Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-04-11 14:53:53 -07:00
8021q net: Enable 64-bit net device statistics on 32-bit architectures 2010-06-12 15:51:22 -07:00
appletalk Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-04-11 14:53:53 -07:00
atm net-next: remove useless union keyword 2010-06-10 23:31:35 -07:00
ax25 net: sk_sleep() helper 2010-04-20 16:37:13 -07:00
bluetooth net: use __packed annotation 2010-06-03 03:21:52 -07:00
bridge Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-06-23 18:26:27 -07:00
caif caif: Add debug connection type for CAIF. 2010-06-20 19:46:07 -07:00
can net/can: Use memdup_user 2010-05-31 00:24:11 -07:00
core net/core/pktgen.c: Use pr_<level> 2010-06-25 21:33:12 -07:00
dcb include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
dccp dccp: make implementation of Syn-RTT symmetric 2010-06-25 21:33:15 -07:00
decnet net-next: remove useless union keyword 2010-06-10 23:31:35 -07:00
dsa Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-04-11 14:53:53 -07:00
econet econet: fix locking 2010-06-11 18:37:08 -07:00
ethernet net-next: remove useless union keyword 2010-06-10 23:31:35 -07:00
ieee802154 ieee802154: Fix possible NULL pointer dereference in wpan_phy_alloc 2010-05-23 23:11:07 -07:00
ipv4 tcp: do not send reset to already closed sockets 2010-06-24 21:54:58 -07:00
ipv6 syncookies: check decoded options against sysctl settings 2010-06-16 14:42:15 -07:00
ipx include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
irda irttp: Print device parameters and statistics as unsigned 2010-06-12 18:18:33 -07:00
iucv net: use __packed annotation 2010-06-03 03:21:52 -07:00
key pfkey: add severity to printk 2010-05-17 23:23:13 -07:00
l2tp net-next: remove useless union keyword 2010-06-10 23:31:35 -07:00
lapb include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
llc Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-05-12 00:05:35 -07:00
mac80211 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 2010-06-17 14:19:06 -07:00
netfilter Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-06-23 18:26:27 -07:00
netlabel net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
netlink af_netlink: Add needed scm_destroy after scm_send. 2010-06-16 14:55:56 -07:00
netrom net: sk_sleep() helper 2010-04-20 16:37:13 -07:00
packet packet_mmap: expose hw packet timestamps to network packet capture utilities 2010-06-02 05:53:56 -07:00
phonet phonet: use call_rcu for phonet device free 2010-06-09 16:14:25 -07:00
rds net/rds: Add missing mutex_unlock 2010-05-29 00:18:48 -07:00
rfkill Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-04-11 14:53:53 -07:00
rose net: sk_sleep() helper 2010-04-20 16:37:13 -07:00
rxrpc net-next: remove useless union keyword 2010-06-10 23:31:35 -07:00
sched Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-06-23 18:26:27 -07:00
sctp net-next: remove useless union keyword 2010-06-10 23:31:35 -07:00
sunrpc sunrpc: fix leak on error on socket xprt setup 2010-05-26 08:43:50 -04:00
tipc tipc: Reduce footprint by un-inlining tipc_msg_* routines 2010-05-12 23:02:29 -07:00
unix af_unix: Allow connecting to sockets in other network namespaces. 2010-06-16 14:58:17 -07:00
wanrouter
wimax Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2010-05-20 21:04:44 -07:00
wireless Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 2010-06-17 14:19:06 -07:00
x25 X25: Remove bkl in sockopts 2010-05-17 17:39:28 -07:00
xfrm net: check for refcount if pop a stacked dst_entry 2010-06-04 15:56:00 -07:00
compat.c From abbffa2aa9bd6f8df16d0d0a102af677510d8b9a Mon Sep 17 00:00:00 2001 2010-06-03 20:03:40 -07:00
Kconfig net/sysfs: Fix the bitrot in network device kobject namespace support 2010-05-21 09:37:32 -07:00
Makefile l2tp: Split pppol2tp patch into separate l2tp and ppp parts 2010-04-03 14:56:02 -07:00
nonet.c
socket.c From abbffa2aa9bd6f8df16d0d0a102af677510d8b9a Mon Sep 17 00:00:00 2001 2010-06-03 20:03:40 -07:00
sysctl_net.c net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
TUNABLE