AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/include/net
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Alex Bergmann 6c9ff979d1 tcp: Increase timeout for SYN segments 
Commit 9ad7c049 ("tcp: RFC2988bis + taking RTT sample from 3WHS for
the passive open side") changed the initRTO from 3secs to 1sec in
accordance to RFC6298 (former RFC2988bis). This reduced the time till
the last SYN retransmission packet gets sent from 93secs to 31secs.

RFC1122 is stating that the retransmission should be done for at least 3
minutes, but this seems to be quite high.

  "However, the values of R1 and R2 may be different for SYN
  and data segments.  In particular, R2 for a SYN segment MUST
  be set large enough to provide retransmission of the segment
  for at least 3 minutes.  The application can close the
  connection (i.e., give up on the open attempt) sooner, of
  course."

This patch increases the value of TCP_SYN_RETRIES to the value of 6,
providing a retransmission window of 63secs.

The comments for SYN and SYNACK retries have also been updated to
describe the current settings. The same goes for the documentation file
"Documentation/networking/ip-sysctl.txt".

Signed-off-by: Alexander Bergmann <alex@linlab.net>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-31 15:42:10 -04:00
..
9p 9p: Reduce object size with CONFIG_NET_9P_DEBUG 2012-01-05 10:51:44 -06:00
bluetooth Bluetooth: Fix hci_le_conn_complete_evt 2012-08-06 15:05:10 -03:00
caif caif-hsi: Remove use of module parameters 2012-06-25 16:44:12 -07:00
irda
iucv af_iucv: add shutdown for HS transport 2012-03-07 22:52:24 -08:00
netfilter netfilter: nf_conntrack: fix racy timer handling with reliable events 2012-08-31 15:50:28 +02:00
netns Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-08-24 18:54:37 -04:00
nfc NFC: Allow HCI driver to pre-open pipes to some gates 2012-07-09 16:42:12 -04:00
phonet net: remove my future former mail address 2012-06-17 16:29:38 -07:00
sctp sctp: fix a compile error in sctp.h 2012-08-15 03:43:43 -07:00
tc_act
act_api.h net: sched: constify tcf_proto and tc_action 2011-07-06 02:52:16 -07:00
addrconf.h ipv6: add ipv6_addr_hash() helper 2012-07-18 11:28:46 -07:00
af_ieee802154.h
af_rxrpc.h net: Remove __KERNEL__ cpp checks from include/net 2011-04-24 10:54:56 -07:00
af_unix.h af_unix: speedup /proc/net/unix 2012-06-08 14:27:23 -07:00
ah.h
arp.h net: Dont use ifindices in hash fns 2012-08-09 16:18:06 -07:00
atmclip.h atm: clip: Use device neigh support on top of "arp_tbl". 2011-11-30 18:51:03 -05:00
ax25.h userns: Convert net/ax25 to use kuid_t where appropriate 2012-08-14 21:49:42 -07:00
ax88796.h
cfg80211-wext.h cfg80211: remove unused wext handler exports 2011-08-08 14:26:29 -04:00
cfg80211.h Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2012-08-24 12:25:30 -04:00
checksum.h
cipso_ipv4.h cipso: handle CIPSO options correctly when NetLabel is disabled 2012-06-01 14:18:29 -04:00
cls_cgroup.h
codel.h codel: refine one condition to avoid a nul rec_inv_sqrt 2012-08-10 16:52:54 -07:00
compat.h net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
datalink.h
dcbevent.h dcb: Add stub routines for !CONFIG_DCB 2011-10-06 15:49:51 -04:00
dcbnl.h net/dcb: Add an optional max rate attribute 2012-04-05 05:08:04 -04:00
dn_dev.h
dn_fib.h net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
dn_neigh.h
dn_nsp.h
dn_route.h decnet: Use neighbours privately in dn_route struct. 2012-07-05 01:12:14 -07:00
dn.h net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
dsa.h dsa: Include linux/if_ether.h to fix build error 2011-12-01 11:41:06 -05:00
dsfield.h
dst_ops.h net: Fix warnings in dst_ops.h 2012-07-19 10:43:03 -07:00
dst.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-08-22 14:21:38 -07:00
esp.h
ethoc.h
fib_rules.h ipv4: Elide fib_validate_source() completely when possible. 2012-06-29 01:36:36 -07:00
flow_keys.h flow_dissector: use a 64bit load/store 2011-11-29 13:17:03 -05:00
flow.h ipv4: Kill FLOWI_FLAG_RT_NOCACHE and associated code. 2012-07-20 13:36:54 -07:00
garp.h garp: remove last synchronize_rcu() call 2011-05-12 17:46:56 -04:00
gen_stats.h
genetlink.h net: Use NLMSG_DEFAULT_SIZE in combination with nlmsg_new() 2012-06-28 17:56:43 -07:00
gre.h
icmp.h net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
ieee80211_radiotap.h wireless: add radiotap A-MPDU status field 2012-08-20 13:53:09 +02:00
ieee802154_netdev.h mac802154: declare reduced mlme operations 2012-05-16 15:16:56 -04:00
ieee802154.h 6LoWPAN: add fragmentation support 2011-11-14 00:19:42 -05:00
if_inet6.h net: delete all instances of special processing for token ring 2012-05-15 20:14:35 -04:00
inet6_connection_sock.h ipv6: Add helper inet6_csk_update_pmtu(). 2012-07-16 03:44:56 -07:00
inet6_hashtables.h ipv6: Early TCP socket demux 2012-07-26 15:50:39 -07:00
inet_common.h net-tcp: Fast Open client - sendmsg(MSG_FASTOPEN) 2012-07-19 11:02:03 -07:00
inet_connection_sock.h net: ipv6: fix TCP early demux 2012-08-06 13:33:21 -07:00
inet_ecn.h inet: add rfc 3168 extract in front of INET_ECN_encapsulate() 2011-10-22 01:25:23 -04:00
inet_frag.h ip_frag: struct inet_frags match() method returns a bool 2012-05-18 01:40:27 -04:00
inet_hashtables.h ipv4: Early TCP socket demux. 2012-06-19 21:22:05 -07:00
inet_sock.h net: ipv6: fix TCP early demux 2012-08-06 13:33:21 -07:00
inet_timewait_sock.h inet: remove rcu protection on tw_net 2011-12-14 13:34:55 -05:00
inetpeer.h ipv4: Maintain redirect and PMTU info in struct rtable again. 2012-07-10 22:40:14 -07:00
ip6_checksum.h
ip6_fib.h ipv6: Store route neighbour in rt6_info struct. 2012-07-05 02:41:58 -07:00
ip6_route.h ipv6: fix inet6_csk_xmit() 2012-07-18 08:59:58 -07:00
ip6_tunnel.h gre: Support GRE over IPv6 2012-08-14 14:28:32 -07:00
ip_fib.h ipv4: Cache routes in nexthop exception entries. 2012-07-31 15:02:02 -07:00
ip_vs.h ipvs: add pmtu_disc option to disable IP DF for TUN packets 2012-08-10 10:35:07 +09:00
ip.h ipv4: fix ip_send_skb() 2012-08-10 14:08:57 -07:00
ipcomp.h
ipconfig.h
ipip.h tunnel: implement 64 bits statistics 2012-04-14 14:47:05 -04:00
ipv6.h Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-08-24 18:54:37 -04:00
ipx.h net: Remove __KERNEL__ cpp checks from include/net 2011-04-24 10:54:56 -07:00
iw_handler.h
lapb.h lapb: Neaten debugging 2012-05-17 18:45:20 -04:00
lib80211.h include: replace linux/module.h with "struct module" wherever possible 2011-10-31 19:32:32 -04:00
llc_c_ac.h
llc_c_ev.h net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
llc_c_st.h
llc_conn.h
llc_if.h
llc_pdu.h net: delete all instances of special processing for token ring 2012-05-15 20:14:35 -04:00
llc_s_ac.h
llc_s_ev.h
llc_s_st.h
llc_sap.h
llc.h llc2: Fix silent failure of llc_station_init() 2012-08-14 16:51:18 -07:00
mac80211.h mac80211: add IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF 2012-08-20 13:58:23 +02:00
mac802154.h mac802154: add wpan device-class support 2012-06-26 21:06:11 -07:00
mip6.h
mld.h
ndisc.h net: Dont use ifindices in hash fns 2012-08-09 16:18:06 -07:00
neighbour.h net: output path optimizations 2012-08-07 16:24:55 -07:00
net_namespace.h sctp: Make the address lists per network namespace 2012-08-14 23:12:17 -07:00
net_ratelimit.h net: Kill ratelimit.h dependency in linux/net.h 2011-05-27 13:41:33 -04:00
netdma.h
netevent.h net: Pass neighbours and dest address into NETEVENT_REDIRECT events. 2012-07-05 02:21:55 -07:00
netlabel.h doc: Update the email address for Paul Moore in various source files 2011-08-01 17:58:33 -07:00
netlink.h netlink: add signed types 2012-08-03 20:40:11 -07:00
netprio_cgroup.h net: netprio_cgroup: rework update socket logic 2012-07-22 12:44:01 -07:00
netrom.h
nexthop.h
nl802154.h
p8022.h
ping.h net: ping: fix build failure 2011-05-17 14:16:58 -04:00
pkt_cls.h
pkt_sched.h net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
protocol.h ipv6: Early TCP socket demux 2012-07-26 15:50:39 -07:00
psnap.h
raw.h
rawv6.h ipv6: bool/const conversions phase2 2012-05-19 01:08:16 -04:00
red.h net_sched: red: Make minor corrections to comments 2012-04-16 23:53:11 -04:00
regulatory.h cfg80211: add cellular base station regulatory hint support 2012-07-17 12:16:39 +02:00
request_sock.h tcp: Change possible SYN flooding messages 2011-09-15 14:49:43 -04:00
rose.h
route.h ipv4: Properly purge netdev references on uncached routes. 2012-07-31 15:06:50 -07:00
rtnetlink.h rtnl: allow to specify different num for rx and tx queue count 2012-07-20 11:06:59 -07:00
sch_generic.h net sched: Pass the skb into change so it can access NETLINK_CB 2012-08-14 21:55:28 -07:00
scm.h af_netlink: force credentials passing [CVE-2012-3520] 2012-08-21 14:53:01 -07:00
secure_seq.h tcp: add const qualifiers where possible 2011-10-21 05:22:42 -04:00
slhc_vj.h
snmp.h net: avoid reloads in SNMP_UPD_PO_STATS 2012-08-06 13:40:47 -07:00
sock.h Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-08-24 18:54:37 -04:00
stp.h
tcp_memcontrol.h cgroup: pass struct mem_cgroup instead of struct cgroup to socket memcg 2012-04-10 10:04:07 -07:00
tcp_states.h
tcp.h tcp: Increase timeout for SYN segments 2012-08-31 15:42:10 -04:00
timewait_sock.h [PATCH] tcp: Cache inetpeer in timewait socket, and only when necessary. 2012-06-09 14:56:12 -07:00
transp_v6.h net: relax PKTINFO non local ipv6 udp xmit check 2011-08-30 17:39:01 -04:00
udp.h net/ipv6/udp: UDP encapsulation: introduce encap_rcv hook into IPv6 2012-04-28 22:21:51 -04:00
udplite.h net: ipv4: Standardize prefixes for message logging 2012-03-12 17:05:21 -07:00
wext.h
wimax.h net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
wpan-phy.h mac802154: monitor device support 2012-05-16 15:17:08 -04:00
x25.h net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
x25device.h
xfrm.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-08-22 14:21:38 -07:00