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aa97efd97a
linux/net
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Gerrit Renker aa97efd97a [DCCP]: Reuse ktime_get_real() calls again 
This patch reduces the number of timestamps taken in the receive path
for each packet.

The ccid3_hc_tx_update_x() routine is called in
 * the receive path for each CCID3-controlled packet
 * for the nofeedback timer (if no feedback arrives during 4 RTT)

Currently, when there is no loss, each packet gets timestamped twice.
The patch resolves this by recycling the first timestamp taken on packet
reception for RTT sampling.

When the no_feedback_timer() is called, then the timestamp argument is
simply set to NULL - so that ccid3_hc_tx_update_x() takes care of the logic.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-10 16:52:34 -07:00
..
9p 9p: fix bad error path in conversion routines 2007-08-23 10:25:05 -05:00
802 [NET]: Introduce and use print_mac() and DECLARE_MAC_BUF() 2007-10-10 16:51:42 -07:00
8021q [NET]: Nuke SET_MODULE_OWNER macro. 2007-10-10 16:51:13 -07:00
appletalk [NET]: Introduce and use print_mac() and DECLARE_MAC_BUF() 2007-10-10 16:51:42 -07:00
atm [NET]: Introduce and use print_mac() and DECLARE_MAC_BUF() 2007-10-10 16:51:42 -07:00
ax25 [NET]: Make the device list and device lookups per namespace. 2007-10-10 16:49:10 -07:00
bluetooth [NET]: Make socket creation namespace safe. 2007-10-10 16:49:07 -07:00
bridge [ETHTOOL] Provide default behaviors for a few ethtool sub-ioctls 2007-10-10 16:51:17 -07:00
core [NET]: Dynamically allocate the loopback device, part 1. 2007-10-10 16:52:14 -07:00
dccp [DCCP]: Reuse ktime_get_real() calls again 2007-10-10 16:52:34 -07:00
decnet [NET]: Dynamically allocate the loopback device, part 1. 2007-10-10 16:52:14 -07:00
econet [NET]: Make the device list and device lookups per namespace. 2007-10-10 16:49:10 -07:00
ethernet [NET]: Introduce and use print_mac() and DECLARE_MAC_BUF() 2007-10-10 16:51:42 -07:00
ieee80211 [IEEE80211]: Fix softmac lockdep reports. 2007-10-10 16:52:22 -07:00
ipv4 [NET]: Dynamically allocate the loopback device, part 1. 2007-10-10 16:52:14 -07:00
ipv6 [NET]: Dynamically allocate the loopback device, part 1. 2007-10-10 16:52:14 -07:00
ipx [NET]: Make the device list and device lookups per namespace. 2007-10-10 16:49:10 -07:00
irda [NET]: Introduce and use print_mac() and DECLARE_MAC_BUF() 2007-10-10 16:51:42 -07:00
iucv [NET]: Make socket creation namespace safe. 2007-10-10 16:49:07 -07:00
key [NET]: Make socket creation namespace safe. 2007-10-10 16:49:07 -07:00
lapb [PATCH] remove many unneeded #includes of sched.h 2007-02-14 08:09:54 -08:00
llc [NET]: Introduce and use print_mac() and DECLARE_MAC_BUF() 2007-10-10 16:51:42 -07:00
mac80211 [MAC80211]: rename ieee80211_cfg.h to cfg.h 2007-10-10 16:52:34 -07:00
netfilter [NETLINK]: Avoid pointer in netlink_run_queue 2007-10-10 16:51:24 -07:00
netlabel [NETLINK]: Introduce nested and byteorder flag to netlink attribute 2007-10-10 16:49:16 -07:00
netlink [NETLINK]: the temp variable name max is ambiguous 2007-10-10 16:51:25 -07:00
netrom [NET]: Make the device list and device lookups per namespace. 2007-10-10 16:49:10 -07:00
packet [NET]: Make the device list and device lookups per namespace. 2007-10-10 16:49:10 -07:00
rfkill [RFKILL]: Add support for ultrawideband 2007-10-10 16:49:23 -07:00
rose [NET]: Make the device list and device lookups per namespace. 2007-10-10 16:49:10 -07:00
rxrpc [NET]: Make socket creation namespace safe. 2007-10-10 16:49:07 -07:00
sched [NET_SCHED]: explict hold dev tx lock 2007-10-10 16:52:15 -07:00
sctp [SCTP]: Tie ADD-IP and AUTH functionality as required by spec. 2007-10-10 16:51:33 -07:00
sunrpc [NET]: Make /proc/net per network namespace 2007-10-10 16:49:06 -07:00
tipc [NET]: Introduce and use print_mac() and DECLARE_MAC_BUF() 2007-10-10 16:51:42 -07:00
unix [NET]: Make socket creation namespace safe. 2007-10-10 16:49:07 -07:00
wanrouter [NET]: Make /proc/net per network namespace 2007-10-10 16:49:06 -07:00
wireless [NL80211]: add netlink interface to cfg80211 2007-10-10 16:52:14 -07:00
x25 [NET]: Make the device list and device lookups per namespace. 2007-10-10 16:49:10 -07:00
xfrm [NET]: Dynamically allocate the loopback device, part 1. 2007-10-10 16:52:14 -07:00
compat.c O_CLOEXEC for SCM_RIGHTS 2007-07-16 09:05:45 -07:00
Kconfig 9p: Reorganization of 9p file system code 2007-07-14 15:13:40 -05:00
Makefile 9p: Reorganization of 9p file system code 2007-07-14 15:13:40 -05:00
nonet.c [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
socket.c [NET]: Make the device list and device lookups per namespace. 2007-10-10 16:49:10 -07:00
sysctl_net.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
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