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remarkable-linux/net
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Kenneth Klette Jonassen 3d0d26c797 tcp: fix bogus RTT for CC when retransmissions are acked 
Since retransmitted segments are not used for RTT estimation, previously
SACKed segments present in the rtx queue are used. This estimation can be
several times larger than the actual RTT. When a cumulative ack covers both
previously SACKed and retransmitted segments, CC may thus get a bogus RTT.

Such segments previously had an RTT estimation in tcp_sacktag_one(), so it
seems reasonable to not reuse them in tcp_clean_rtx_queue() at all.

Afaik, this has had no effect on SRTT/RTO because of Karn's check.

Signed-off-by: Kenneth Klette Jonassen <kennetkl@ifi.uio.no>
Acked-by: Neal Cardwell <ncardwell@google.com>
Tested-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-13 13:54:25 -04:00
..
6lowpan
9p Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-03-20 18:51:09 -04:00
802
8021q vlan: implement ndo_get_iflink 2015-04-02 14:05:00 -04:00
appletalk
atm
ax25
batman-adv dev: introduce dev_get_iflink() 2015-04-02 14:04:59 -04:00
bluetooth Bluetooth: Read LE remote features during connection establishment 2015-04-09 08:36:54 +03:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2015-04-09 14:46:04 -04:00
caif Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-03-20 18:51:09 -04:00
can can: introduce new raw socket option to join the given CAN filters 2015-04-01 11:28:22 +02:00
ceph
core net: use jump label patching for ingress qdisc in __netif_receive_skb_core 2015-04-13 13:34:40 -04:00
dcb
dccp inet: fix double request socket freeing 2015-03-23 21:40:48 -04:00
decnet netfilter: Pass socket pointer down through okfn(). 2015-04-07 15:25:55 -04:00
dns_resolver
dsa Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-04-06 22:34:15 -04:00
ethernet
hsr
ieee802154 ieee802154: don't export static symbol 2015-03-14 17:11:31 +01:00
ipv4 tcp: fix bogus RTT for CC when retransmissions are acked 2015-04-13 13:54:25 -04:00
ipv6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2015-04-09 14:46:04 -04:00
ipx
irda
iucv Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-04-02 16:16:53 -04:00
key xfrm: simplify xfrm_address_t use 2015-03-31 13:58:35 -04:00
l2tp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-04-06 22:34:15 -04:00
lapb
llc
mac80211 There isn't much left, but we have 2015-04-12 20:43:46 -04:00
mac802154 mac802154: cleanup concurrent check 2015-03-27 19:18:50 +01:00
mpls
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2015-04-09 14:46:04 -04:00
netlabel netlink: implement nla_put_in_addr and nla_put_in6_addr 2015-03-31 13:58:35 -04:00
netlink rhashtable: provide len to obj_hashfn 2015-03-25 17:18:33 +01:00
netrom
nfc NFC: nci: Add firmware download support 2015-03-26 10:56:20 +01:00
openvswitch udp_tunnel: Pass UDP socket down through udp_tunnel{, 6}_xmit_skb(). 2015-04-07 15:29:08 -04:00
packet af_packet: pass checksum validation status to the user 2015-03-23 22:01:28 -04:00
phonet
rds Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-03-20 18:51:09 -04:00
rfkill
rose
rxrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-03-20 18:51:09 -04:00
sched net: use jump label patching for ingress qdisc in __netif_receive_skb_core 2015-04-13 13:34:40 -04:00
sctp sctp: avoid to repeatedly declare external variables 2015-03-25 11:40:16 -04:00
sunrpc sunrpc: make debugfs file creation failure non-fatal 2015-03-31 14:15:08 -04:00
switchdev switchdev: fix stp update API to work with layered netdevices 2015-03-23 16:44:56 -04:00
tipc udp_tunnel: Pass UDP socket down through udp_tunnel{, 6}_xmit_skb(). 2015-04-07 15:29:08 -04:00
unix
vmw_vsock
wimax
wireless cfg80211: don't allow disabling WEXT if it's required 2015-04-08 09:19:29 +02:00
x25
xfrm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2015-04-09 14:41:47 -04:00
compat.c net: socket: add support for async operations 2015-03-23 16:41:36 -04:00
Kconfig
Makefile
socket.c net: socket: add support for async operations 2015-03-23 16:41:36 -04:00
sysctl_net.c