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Yuchung Cheng 2ad8e60c88 UPSTREAM: tcp: start receiver buffer autotuning sooner 
Previously receiver buffer auto-tuning starts after receiving
one advertised window amount of data. After the initial receiver
buffer was raised by patch a337531b94 ("tcp: up initial rmem to
128KB and SYN rwin to around 64KB"), the reciver buffer may take
too long to start raising. To address this issue, this patch lowers
the initial bytes expected to receive roughly the expected sender's
initial window.

Fixes: a337531b94 ("tcp: up initial rmem to 128KB and SYN rwin to around 64KB")
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Wei Wang <weiwan@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit 041a14d267)
Signed-off-by: Chenbo Feng <fengc@google.com>

This patch is backported from 4.20 to allow us to drop "ANDROID: net:
ipv4: tcp: add a sysctl to config the tcp_default_init_rwnd"

Bug: 118591209
Test: net_test sock_diag_test.py
Change-Id: Ifff58b0b86a816a66d5a0bd77b57d6eedeaafa3b
2018-12-05 09:48:11 -08:00
..
6lowpan 6lowpan: iphc: reset mac_header after decompress to fix panic 2018-07-06 12:32:12 +02:00
9p 9p: clear dangling pointers in p9stat_free 2018-11-21 09:19:12 +01:00
802
8021q net: remove blank lines at end of file 2018-07-24 14:10:43 -07:00
appletalk Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
atm Revert "net: simplify sock_poll_wait" 2018-11-04 14:50:51 +01:00
ax25 ax25: remove blank line at EOF 2018-07-24 14:10:42 -07:00
batman-adv batman-adv: Increase version number to 2018.3 2018-09-14 17:59:20 +02:00
bluetooth Bluetooth: SMP: fix crash in unpairing 2018-09-26 12:39:32 +03:00
bpf bpf/test_run: support cgroup local storage 2018-08-03 00:47:32 +02:00
bpfilter net: bpfilter: use get_pid_task instead of pid_task 2018-10-17 22:03:40 -07:00
bridge net: bridge: remove ipv6 zero address check in mcast queries 2018-11-04 14:50:54 +01:00
caif Revert "net: simplify sock_poll_wait" 2018-11-04 14:50:51 +01:00
can Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
ceph libceph: fall back to sendmsg for slab pages 2018-11-27 16:13:11 +01:00
core net-gro: reset skb->pkt_type in napi_reuse_skb() 2018-11-23 08:17:03 +01:00
dcb net: dcb: Add priority-to-DSCP map getters 2018-07-27 13:17:50 -07:00
dccp Revert "net: simplify sock_poll_wait" 2018-11-04 14:50:51 +01:00
decnet decnet: fix using plain integer as NULL warning 2018-08-09 14:11:24 -07:00
dns_resolver net: remove blank lines at end of file 2018-07-24 14:10:43 -07:00
dsa net: dsa: Drop GPIO includes 2018-08-27 15:24:33 -07:00
ethernet net: Convert GRO SKB handling to list_head. 2018-06-26 11:33:04 +09:00
hsr
ieee802154 net: ieee802154: 6lowpan: remove redundant pointers 'fq' and 'net' 2018-08-06 11:21:15 +02:00
ife
ipv4 UPSTREAM: tcp: start receiver buffer autotuning sooner 2018-12-05 09:48:11 -08:00
ipv6 netfilter: ipv6: fix oops when defragmenting locally generated fragments 2018-11-27 16:13:01 +01:00
iucv Revert "net: simplify sock_poll_wait" 2018-11-04 14:50:51 +01:00
kcm Revert "kcm: remove any offset before parsing messages" 2018-09-17 18:43:42 -07:00
key Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2018-07-27 09:33:37 -07:00
l2tp l2tp: fix a sock refcnt leak in l2tp_tunnel_register 2018-11-23 08:17:05 +01:00
l3mdev
lapb
llc llc: set SOCK_RCU_FREE in llc_sap_add_socket() 2018-10-15 22:01:37 -07:00
mac80211 mac80211: fix setting IEEE80211_KEY_FLAG_RX_MGMT for AP mode keys 2018-10-01 09:13:48 +02:00
mac802154 net: mac802154: tx: expand tailroom if necessary 2018-08-06 11:21:37 +02:00
mpls mpls: allow routes on ip6gre devices 2018-09-24 12:19:27 -07:00
ncsi net/ncsi: Fixup .dumpit message flags and ID check in Netlink handler 2018-08-22 21:39:08 -07:00
netfilter netfilter: nft_compat: ebtables 'nat' table is normal chain type 2018-11-27 16:13:03 +01:00
netlabel netlabel: check for IPV4MASK in addrinfo_get 2018-09-21 18:58:34 -07:00
netlink Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-08-05 13:04:31 -07:00
netrom Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
nfc Revert "net: simplify sock_poll_wait" 2018-11-04 14:50:51 +01:00
nsh nsh: set mac len based on inner packet 2018-07-12 16:55:29 -07:00
openvswitch openvswitch: Fix push/pop ethernet validation 2018-11-04 14:50:52 +01:00
packet net/packet: fix packet drop as of virtio gso 2018-10-04 22:23:15 -07:00
phonet Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
psample
qrtr net: qrtr: Reset the node and port ID of broadcast messages 2018-07-05 20:20:03 +09:00
rds rds: RDS (tcp) hangs on sendto() to unresponding address 2018-10-10 22:19:52 -07:00
rfkill Here are quite a large number of fixes, notably: 2018-09-03 22:12:02 -07:00
rose Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
rxrpc rxrpc: Fix lockup due to no error backoff after ack transmit error 2018-11-23 08:17:07 +01:00
sched net: sched: cls_flower: validate nested enc_opts_policy to avoid warning 2018-11-23 08:17:04 +01:00
sctp sctp: not increase stream's incnt before sending addstrm_in request 2018-11-23 08:17:06 +01:00
smc net/smc: fix smc_buf_unuse to use the lgr pointer 2018-11-04 14:50:52 +01:00
strparser strparser: remove redundant variable 'rd_desc' 2018-08-01 10:00:06 -07:00
sunrpc SUNRPC: drop pointless static qualifier in xdr_get_next_encode_buffer() 2018-11-27 16:13:08 +01:00
switchdev
tipc tipc: fix link re-establish failure 2018-11-23 08:17:04 +01:00
tls tls: fix currently broken MSG_PEEK behavior 2018-09-17 08:03:09 -07:00
unix Revert "net: simplify sock_poll_wait" 2018-11-04 14:50:51 +01:00
vmw_vsock vsock: split dwork to avoid reinitializations 2018-08-07 12:39:13 -07:00
wimax wimax: remove blank lines at EOF 2018-07-24 14:10:42 -07:00
wireless cfg80211: fix use-after-free in reg_process_hint() 2018-10-01 09:14:03 +02:00
x25 x25: remove blank lines at EOF 2018-07-24 14:10:42 -07:00
xdp xsk: do not call synchronize_net() under RCU read lock 2018-10-11 10:19:01 +02:00
xfrm ANDROID: net: xfrm: make PF_KEY SHA256 use RFC-compliant truncation. 2018-12-05 09:48:10 -08:00
compat.c net: avoid unnecessary sock_flag() check when enable timestamp 2018-08-06 10:42:48 -07:00
Kconfig net: remove blank lines at end of file 2018-07-24 14:10:43 -07:00
Makefile bpfilter: check compiler capability in Kconfig 2018-06-28 13:36:39 +09:00
socket.c net: socket: fix a missing-check bug 2018-10-18 16:43:06 -07:00
sysctl_net.c