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linux-stable-mirror/net/ipv4
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Eric Dumazet 79eb15da3c ipv4: add net_hash_mix() dispersion to fib_info_laddrhash keys 
net/ipv4/fib_semantics.c uses a hash table (fib_info_laddrhash)
in which fib_sync_down_addr() can locate fib_info
based on IPv4 local address.

This hash table is resized based on total number of
hashed fib_info, but the hash function is only
using the local address.

For hosts having many active network namespaces,
all fib_info for loopback devices (IPv4 address 127.0.0.1)
are hashed into a single bucket, making netns dismantles
very slow.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-01-19 08:14:40 -08:00
..
bpfilter
…
netfilter
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-01-09 17:00:17 -08:00
af_inet.c
net: bpf: Handle return value of BPF_CGROUP_RUN_PROG_INET{4,6}_POST_BIND()
2022-01-06 17:08:35 -08:00
ah4.c
Merge tag 'net-next-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2021-06-30 15:51:09 -07:00
arp.c
arp: Remove #ifdef CONFIG_PROC_FS
2021-11-22 14:34:07 +00:00
bpf_tcp_ca.c
Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2021-12-10 15:56:13 -08:00
cipso_ipv4.c
NET: IPV4: fix error "do not initialise globals to 0"
2021-09-19 12:43:56 +01:00
datagram.c
net/ipv4/datagram.c: remove superfluous header files from datagram.c
2021-09-29 11:39:33 +01:00
devinet.c
ipv4: add net device refcount tracker to struct in_device
2021-12-06 16:05:11 -08:00
esp4_offload.c
net: move gro definitions to include/net/gro.h
2021-11-16 13:16:54 +00:00
esp4.c
ipsec: Remove unneeded extra variable in esp4 esp_ssg_unref()
2021-07-20 16:14:23 +02:00
fib_frontend.c
ipv4: convert fib_num_tclassid_users to atomic_t
2021-12-02 11:56:04 +00:00
fib_lookup.h
…
fib_notifier.c
net: ipv4: remove superfluous header files from fib_notifier.c
2021-09-28 17:32:56 -07:00
fib_rules.c
fib: rules: remove duplicated nla policies
2021-12-16 07:18:35 -08:00
fib_semantics.c
ipv4: add net_hash_mix() dispersion to fib_info_laddrhash keys
2022-01-19 08:14:40 -08:00
fib_trie.c
memcg: enable accounting for IP address and routing-related objects
2021-07-20 06:00:38 -07:00
fou.c
gro: remove rcu_read_lock/rcu_read_unlock from gro_complete handlers
2021-11-24 17:21:42 -08:00
gre_demux.c
…
gre_offload.c
gro: remove rcu_read_lock/rcu_read_unlock from gro_complete handlers
2021-11-24 17:21:42 -08:00
icmp.c
icmp: fix icmp_ext_echo_iio parsing in icmp_build_probe
2021-10-14 07:54:47 -07:00
igmp.c
ipv4: drop unused assignment
2021-11-14 12:20:44 +00:00
inet_connection_sock.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-12-09 13:23:02 -08:00
inet_diag.c
inet_diag: fix kernel-infoleak for UDP sockets
2021-12-10 21:14:49 -08:00
inet_fragment.c
inet: frags: annotate races around fqdir->dead and fqdir->high_thresh
2022-01-13 13:06:05 +00:00
inet_hashtables.c
bpf: Add ingress_ifindex to bpf_sk_lookup
2021-11-10 16:29:58 -08:00
inet_timewait_sock.c
…
inetpeer.c
…
ip_forward.c
…
ip_fragment.c
inet: frags: annotate races around fqdir->dead and fqdir->high_thresh
2022-01-13 13:06:05 +00:00
ip_gre.c
gre: Don't accidentally set RTO_ONLINK in gre_fill_metadata_dst()
2022-01-11 20:36:08 -08:00
ip_input.c
…
ip_options.c
…
ip_output.c
ipv4: Remove duplicate assignments
2021-11-14 12:20:44 +00:00
ip_sockglue.c
ipv4: Exposing __ip_sock_set_tos() in ip.h
2021-11-20 14:11:00 +00:00
ip_tunnel_core.c
…
ip_tunnel.c
ip: use dev_addr_set() in tunnels
2021-10-13 09:41:37 -07:00
ip_vti.c
ip: use dev_addr_set() in tunnels
2021-10-13 09:41:37 -07:00
ipcomp.c
Merge tag 'net-next-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2021-06-30 15:51:09 -07:00
ipconfig.c
net: ipconfig: Release the rtnl_lock while waiting for carrier
2021-10-28 14:36:41 +01:00
ipip.c
ip: use dev_addr_set() in tunnels
2021-10-13 09:41:37 -07:00
ipmr_base.c
…
ipmr.c
fib: rules: remove duplicated nla policies
2021-12-16 07:18:35 -08:00
Kconfig
…
Makefile
…
metrics.c
…
netfilter.c
…
netlink.c
…
nexthop.c
net: Don't include filter.h from net/sock.h
2021-12-29 08:48:14 -08:00
ping.c
net: bpf: Handle return value of BPF_CGROUP_RUN_PROG_INET{4,6}_POST_BIND()
2022-01-06 17:08:35 -08:00
proc.c
Revert "net: snmp: add statistics for tcp small queue check"
2021-12-01 19:06:09 -08:00
protocol.c
…
raw_diag.c
net: Use nlmsg_unicast() instead of netlink_unicast()
2021-07-13 09:28:29 -07:00
raw.c
ipv4/raw: support binding to nonlocal addresses
2021-11-17 20:21:52 -08:00
route.c
Namespaceify mtu_expires sysctl
2022-01-04 12:40:22 +00:00
syncookies.c
net: align static siphash keys
2021-11-16 19:07:54 -08:00
sysctl_net_ipv4.c
tcp: remove sk_{tr}x_skb_cache
2021-09-23 12:50:26 +01:00
tcp_bbr.c
bpf: Enable TCP congestion control kfunc from modules
2021-10-05 17:07:41 -07:00
tcp_bic.c
…
tcp_bpf.c
bpf, sockmap: Fix return codes from tcp_bpf_recvmsg_parser()
2022-01-05 20:43:08 +01:00
tcp_cdg.c
…
tcp_cong.c
…
tcp_cubic.c
tcp_cubic: fix spurious Hystart ACK train detections for not-cwnd-limited flows
2021-11-24 17:26:05 -08:00
tcp_dctcp.c
bpf: Enable TCP congestion control kfunc from modules
2021-10-05 17:07:41 -07:00
tcp_dctcp.h
…
tcp_diag.c
…
tcp_fastopen.c
net/ipv4/tcp_fastopen.c: remove superfluous header files from tcp_fastopen.c
2021-09-20 13:09:06 +01:00
tcp_highspeed.c
…
tcp_htcp.c
…
tcp_hybla.c
…
tcp_illinois.c
…
tcp_input.c
tcp: tcp_send_challenge_ack delete useless param skb
2022-01-09 16:52:21 -08:00
tcp_ipv4.c
net: skb: use kfree_skb_reason() in tcp_v4_rcv()
2022-01-09 16:30:34 -08:00
tcp_lp.c
…
tcp_metrics.c
…
tcp_minisocks.c
tcp: fix another uninit-value (sk_rx_queue_mapping)
2021-12-03 14:15:49 +00:00
tcp_nv.c
net/ipv4/tcp_nv.c: remove superfluous header files from tcp_nv.c
2021-09-27 12:47:39 +01:00
tcp_offload.c
net: move gro definitions to include/net/gro.h
2021-11-16 13:16:54 +00:00
tcp_output.c
Revert "net: snmp: add statistics for tcp small queue check"
2021-12-01 19:06:09 -08:00
tcp_rate.c
tcp: tracking packets with CE marks in BW rate sample
2021-09-24 14:16:40 +01:00
tcp_recovery.c
tcp: more accurately check DSACKs to grow RACK reordering window
2021-07-27 20:07:21 +01:00
tcp_scalable.c
…
tcp_timer.c
net: sock: introduce sk_error_report
2021-06-29 11:28:21 -07:00
tcp_ulp.c
…
tcp_vegas.c
…
tcp_vegas.h
…
tcp_veno.c
…
tcp_westwood.c
…
tcp_yeah.c
tcp_yeah: check struct yeah size at compile time
2021-06-29 11:54:36 -07:00
tcp.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-12-23 16:09:58 -08:00
tunnel4.c
…
udp_bpf.c
net: Implement ->sock_is_readable() for UDP and AF_UNIX
2021-10-26 12:29:33 -07:00
udp_diag.c
net: Use nlmsg_unicast() instead of netlink_unicast()
2021-07-13 09:28:29 -07:00
udp_impl.h
…
udp_offload.c
gro: remove rcu_read_lock/rcu_read_unlock from gro_complete handlers
2021-11-24 17:21:42 -08:00
udp_tunnel_core.c
net/ipv4/udp_tunnel_core.c: remove superfluous header files from udp_tunnel_core.c
2021-09-21 10:17:20 +01:00
udp_tunnel_nic.c
udp_tunnel: Fix udp_tunnel_nic work-queue type
2021-09-13 12:38:45 +01:00
udp_tunnel_stub.c
…
udp.c
net: skb: use kfree_skb_reason() in __udp4_lib_rcv()
2022-01-09 16:30:35 -08:00
udplite.c
…
xfrm4_input.c
…
xfrm4_output.c
…
xfrm4_policy.c
xfrm: use net device refcount tracker helpers
2021-12-09 11:51:45 -08:00
xfrm4_protocol.c
…
xfrm4_state.c
…
xfrm4_tunnel.c
net/ipv4/xfrm4_tunnel.c: remove superfluous header files from xfrm4_tunnel.c
2021-09-23 10:10:00 +02:00