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Florian Westphal d532bcd0b2 netfilter: conntrack: sanitize table size default settings 
conntrack has two distinct table size settings:
nf_conntrack_max and nf_conntrack_buckets.

The former limits how many conntrack objects are allowed to exist
in each namespace.

The second sets the size of the hashtable.

As all entries are inserted twice (once for original direction, once for
reply), there should be at least twice as many buckets in the table than
the maximum number of conntrack objects that can exist at the same time.

Change the default multiplier to 1 and increase the chosen bucket sizes.
This results in the same nf_conntrack_max settings as before but reduces
the average bucket list length.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2021-08-30 11:49:54 +02:00
..
caif
tty: cumulate and document tty_struct::flow* members
2021-05-13 16:57:16 +02:00
device_drivers
Networking changes for 5.14.
2021-06-30 15:51:09 -07:00
devlink
Networking changes for 5.14.
2021-06-30 15:51:09 -07:00
dsa
net: dsa: delete dsa_legacy_fdb_add and dsa_legacy_fdb_del
2021-06-29 10:46:23 -07:00
mac80211_hwsim
docs: net: convert two README files to ReST format
2019-07-31 13:31:56 -06:00
6lowpan.rst
docs: networking: convert 6lowpan.txt to ReST
2020-02-28 14:52:36 +01:00
6pack.rst
docs: networking: convert 6pack.txt to ReST
2020-04-28 14:38:38 -07:00
af_xdp.rst
doc, af_xdp: Fix bind flags option typo
2021-07-12 16:55:01 +02:00
alias.rst
docs: networking: Convert alias.txt to rst
2018-07-18 15:28:27 -07:00
arcnet-hardware.rst
docs: networking: arcnet-hardware.rst: don't duplicate chapter names
2020-05-01 12:24:43 -07:00
arcnet.rst
Documentation: networking: arcnet: drop doubled word
2020-07-04 17:46:21 -07:00
atm.rst
docs: networking: convert atm.txt to ReST
2020-04-28 14:38:38 -07:00
ax25.rst
Documentation: networking: ax25: drop doubled word
2020-07-04 17:46:21 -07:00
bareudp.rst
Documentation: bareudp: Corrected description of bareudp module.
2020-07-28 17:53:03 -07:00
batman-adv.rst
batman-adv: Fix typos and grammar in documentation
2020-06-26 10:36:30 +02:00
bonding.rst
docs: networking: bonding.rst Fix a typo in bonding.rst
2021-03-01 13:53:21 -08:00
bridge.rst
docs: networking: Convert bridge.txt to rst
2018-07-18 15:28:27 -07:00
can_ucan_protocol.rst
Documentation: networking: can_ucan_protocol: drop doubled words
2020-07-04 17:46:21 -07:00
can.rst
can: add a note that RECV_OWN_MSGS frames are subject to filtering
2021-04-24 14:36:51 +02:00
cdc_mbim.rst
docs: networking: convert cdc_mbim.txt to ReST
2020-04-28 14:38:39 -07:00
checksum-offloads.rst
docs: networking: convert netdev-features.txt to ReST
2020-04-30 12:56:36 -07:00
dccp.rst
net: dccp: Add SIOCOUTQ IOCTL support (send buffer fill)
2020-07-22 17:00:37 -07:00
dctcp.rst
docs: networking: convert dctcp.txt to ReST
2020-04-28 14:38:39 -07:00
decnet.rst
docs: networking: convert decnet.txt to ReST
2020-04-28 14:39:45 -07:00
dns_resolver.rst
docs: networking: convert dns_resolver.txt to ReST
2020-04-28 14:39:46 -07:00
driver.rst
docs: networking: convert driver.txt to ReST
2020-04-28 14:39:46 -07:00
eql.rst
docs: networking: convert eql.txt to ReST
2020-04-28 14:39:46 -07:00
ethtool-netlink.rst
ethtool: add a new command for getting PHC virtual clocks
2021-07-01 13:08:18 -07:00
failover.rst
…
fib_trie.rst
docs: networking: convert fib_trie.txt to ReST
2020-04-28 14:39:46 -07:00
filter.rst
bpf, docs: Fix literal block for example code
2021-04-27 17:31:09 +02:00
gen_stats.rst
docs: networking: convert gen_stats.txt to ReST
2020-04-28 14:39:46 -07:00
generic_netlink.rst
docs: networking: convert generic_netlink.txt to ReST
2020-04-28 14:39:46 -07:00
generic-hdlc.rst
docs: networking: convert generic-hdlc.txt to ReST
2020-04-28 14:39:46 -07:00
gtp.rst
docs: networking: convert gtp.txt to ReST
2020-04-28 14:39:46 -07:00
ieee802154.rst
docs: net: ieee802154.rst: fix C expressions
2020-10-15 07:49:41 +02:00
ila.rst
docs: networking: convert ila.txt to ReST
2020-04-28 14:39:47 -07:00
index.rst
Documentation: net: Document resilient next-hop groups
2021-03-29 13:51:38 -07:00
ip_dynaddr.rst
docs: networking: convert ip_dynaddr.txt to ReST
2020-04-28 14:39:47 -07:00
ip-sysctl.rst
tcp: disable TFO blackhole logic by default
2021-07-21 22:50:31 -07:00
ipddp.rst
docs: networking: convert ipddp.txt to ReST
2020-04-28 14:39:47 -07:00
ipsec.rst
docs: networking: convert ipsec.txt to ReST
2020-04-28 14:39:47 -07:00
ipv6.rst
docs: networking: convert ipv6.txt to ReST
2020-04-28 14:40:18 -07:00
ipvlan.rst
docs: networking: convert ipvlan.txt to ReST
2020-04-28 14:40:18 -07:00
ipvs-sysctl.rst
Documentation: networking: ipvs-sysctl: drop doubled word
2020-07-04 17:46:21 -07:00
j1939.rst
can: j1939: add tables for the CAN identifier and its fields
2020-11-20 09:43:29 +01:00
kapi.rst
wimax: move out to staging
2020-10-29 19:27:45 +01:00
kcm.rst
docs: networking: convert kcm.txt to ReST
2020-04-28 14:40:19 -07:00
l2tp.rst
docs: networking: add tracepoint info to l2tp.rst
2020-08-22 12:44:37 -07:00
lapb-module.rst
docs: networking: convert lapb-module.txt to ReST
2020-04-30 12:56:35 -07:00
mac80211-auth-assoc-deauth.txt
…
mac80211-injection.rst
doc: networking: wireless: fix wiki website url
2020-06-08 10:05:53 +02:00
mpls-sysctl.rst
docs: networking: convert mpls-sysctl.txt to ReST
2020-04-30 12:56:36 -07:00
mptcp-sysctl.rst
mptcp: add sysctl allow_join_initial_addr_port
2021-06-22 14:36:01 -07:00
msg_zerocopy.rst
doc: fix link to MSG_ZEROCOPY patchset
2019-03-18 09:50:21 -07:00
multiqueue.rst
docs: networking: convert multiqueue.txt to ReST
2020-04-30 12:56:36 -07:00
net_dim.rst
docs: networking: add full DIM API
2020-04-10 18:11:04 -07:00
net_failover.rst
docs: networking: net_failover: Fix a few typos
2020-03-03 16:07:02 -08:00
netconsole.rst
docs: networking: convert netconsole.txt to ReST
2020-04-30 12:56:36 -07:00
netdev-FAQ.rst
docs: networking: netdevsim rules
2021-08-04 12:43:27 +01:00
netdev-features.rst
net: hsr: add offloading support
2021-02-11 13:24:44 -08:00
netdevices.rst
docs: net: explain struct net_device lifetime
2021-01-08 19:27:41 -08:00
netfilter-sysctl.rst
docs: networking: convert netfilter-sysctl.txt to ReST
2020-04-30 12:56:36 -07:00
netif-msg.rst
docs: networking: convert netif-msg.txt to ReST
2020-04-30 12:56:36 -07:00
nexthop-group-resilient.rst
Documentation: net: Document resilient next-hop groups
2021-03-29 13:51:38 -07:00
nf_conntrack-sysctl.rst
netfilter: conntrack: sanitize table size default settings
2021-08-30 11:49:54 +02:00
nf_flowtable.rst
docs: nf_flowtable: fix compilation and warnings
2021-03-25 17:42:02 -07:00
nfc.rst
docs: networking: nfc: change to rst format
2019-11-23 11:00:19 -08:00
openvswitch.rst
docs: networking: convert openvswitch.txt to ReST
2020-04-30 12:56:36 -07:00
operstates.rst
docs: operstates: document IF_OPER_TESTING
2021-08-02 15:16:04 +01:00
packet_mmap.rst
docs: networking: Replace strncpy() with strscpy()
2021-06-04 11:21:43 -06:00
page_pool.rst
net: page_pool: Add page_pool_put_page_bulk() to page_pool.rst
2020-11-24 14:56:54 -08:00
phonet.rst
docs: networking: convert phonet.txt to ReST
2020-04-30 12:56:37 -07:00
phy.rst
net: phy: Add 25G BASE-R interface mode
2021-06-12 13:08:57 -07:00
pktgen.rst
docs: networking: convert pktgen.txt to ReST
2020-04-30 12:56:37 -07:00
plip.rst
docs: networking: convert PLIP.txt to ReST
2020-04-30 12:56:37 -07:00
ppp_generic.rst
docs: update ppp_generic.rst to document new ioctls
2020-12-10 13:57:36 -08:00
proc_net_tcp.rst
docs: networking: convert proc_net_tcp.txt to ReST
2020-04-30 12:56:37 -07:00
radiotap-headers.rst
docs: networking: convert radiotap-headers.txt to ReST
2020-04-30 12:56:37 -07:00
rds.rst
docs: networking: convert rds.txt to ReST
2020-04-30 12:56:37 -07:00
regulatory.rst
doc: networking: wireless: fix wiki website url
2020-06-08 10:05:53 +02:00
rxrpc.rst
Documentation: networking: rxrpc: drop doubled word
2020-07-04 17:46:21 -07:00
scaling.rst
docs: networking: update XPS to account for netif_set_xps_queue
2020-10-13 16:21:54 -07:00
sctp.rst
docs: networking: convert sctp.txt to ReST
2020-04-30 12:56:38 -07:00
secid.rst
docs: networking: convert secid.txt to ReST
2020-04-30 12:56:38 -07:00
seg6-sysctl.rst
doc: move seg6_flowlabel to seg6-sysctl.rst
2021-04-14 13:13:15 -07:00
segmentation-offloads.rst
networking: : fix typos in code comments
2019-05-20 20:24:34 -04:00
sfp-phylink.rst
net: mdio: Remove of_phy_attach()
2021-02-17 13:17:49 -08:00
snmp_counter.rst
net-next: docs: Fix typos in snmp_counter.rst
2021-01-05 17:07:38 -08:00
statistics.rst
docs: networking: extend the statistics documentation
2021-04-16 16:59:20 -07:00
strparser.rst
docs: networking: convert strparser.txt to ReST
2020-04-30 12:56:38 -07:00
switchdev.rst
Documentation: networking: switchdev: add missing "and" word
2021-03-17 12:34:34 -07:00
sysfs-tagging.rst
Documentation: better locations for sysfs-pci, sysfs-tagging
2020-10-09 09:33:23 -06:00
tc-actions-env-rules.rst
docs: networking: convert tc-actions-env-rules.txt to ReST
2020-04-30 12:56:38 -07:00
tcp-thin.rst
docs: networking: convert tcp-thin.txt to ReST
2020-04-30 12:56:38 -07:00
team.rst
docs: networking: convert team.txt to ReST
2020-04-30 12:56:38 -07:00
timestamping.rst
docs: networking: timestamping: update for DSA switches
2021-04-27 14:10:15 -07:00
tipc.rst
Documentation: add more details in tipc.rst
2021-07-01 13:18:18 -07:00
tls-offload-layers.svg
Documentation: add TLS offload documentation
2019-05-22 12:18:20 -07:00
tls-offload-reorder-bad.svg
Documentation: add TLS offload documentation
2019-05-22 12:18:20 -07:00
tls-offload-reorder-good.svg
Documentation: add TLS offload documentation
2019-05-22 12:18:20 -07:00
tls-offload.rst
net: Disable NETIF_F_HW_TLS_RX when RXCSUM is disabled
2021-01-19 15:58:05 -08:00
tls.rst
net/tls: add TlsDeviceRxResync statistic
2019-10-05 16:29:00 -07:00
tproxy.rst
docs: networking: convert tproxy.txt to ReST
2020-04-30 12:56:38 -07:00
tuntap.rst
docs: networking: Replace strncpy() with strscpy()
2021-06-04 11:21:43 -06:00
udplite.rst
docs: networking: convert udplite.txt to ReST
2020-05-01 12:24:40 -07:00
vrf.rst
docs: networking: convert vrf.txt to ReST
2020-05-01 12:24:40 -07:00
vxlan.rst
docs: vxlan: add info about device features
2020-09-28 12:50:12 -07:00
x25-iface.rst
net: x25: Queue received packets in the drivers instead of per-CPU queues
2021-04-05 11:42:12 -07:00
x25.rst
net: x25: Remove unimplemented X.25-over-LLC code stubs
2020-12-12 17:15:33 -08:00
xfrm_device.rst
docs: networking: Fix a typo
2021-03-20 19:02:42 -07:00
xfrm_proc.rst
docs: networking: convert xfrm_proc.txt to ReST
2020-05-01 12:24:40 -07:00
xfrm_sync.rst
docs: networking: convert xfrm_sync.txt to ReST
2020-05-01 12:24:41 -07:00
xfrm_sysctl.rst
docs: networking: convert xfrm_sysctl.txt to ReST
2020-05-01 12:24:41 -07:00