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Wen Yang 7e70784f17 tcp_bbr: improve arithmetic division in bbr_update_bw() 
[ Upstream commit 5b2f1f3070 ]

do_div() does a 64-by-32 division. Use div64_long() instead of it
if the divisor is long, to avoid truncation to 32-bit.
And as a nice side effect also cleans up the function a bit.

Signed-off-by: Wen Yang <wenyang@linux.alibaba.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-01-29 15:02:36 +01:00
..
netfilter
netfilter: arp_tables: init netns pointer in xt_tgdtor_param struct
2020-01-23 08:20:33 +01:00
af_inet.c
gso_segment: Reset skb->mac_len after modifying network header
2018-09-29 03:06:00 -07:00
ah4.c
…
arp.c
…
cipso_ipv4.c
net: avoid use IPCB in cipso_v4_error
2019-03-13 14:03:09 -07:00
datagram.c
inet: stop leaking jiffies on the wire
2019-11-10 11:25:37 +01:00
devinet.c
inet: protect against too small mtu values.
2019-12-21 10:47:38 +01:00
esp4_offload.c
…
esp4.c
esp4: add length check for UDP encapsulation
2019-05-25 18:25:34 +02:00
fib_frontend.c
ipv4: Return error for RTA_VIA attribute
2019-03-13 14:03:09 -07:00
fib_lookup.h
…
fib_notifier.c
…
fib_rules.c
…
fib_semantics.c
ipv4: Fix table id reference in fib_sync_down_addr
2019-11-12 19:17:49 +01:00
fib_trie.c
net: ipv4: Fix memory leak in network namespace dismantle
2019-01-31 08:13:42 +01:00
fou.c
net: fou: do not use guehdr after iptunnel_pull_offloads in gue_udp_recv
2019-04-27 09:35:34 +02:00
gre_demux.c
ip_gre: fix parsing gre header in ipgre_err
2019-11-20 18:00:02 +01:00
gre_offload.c
…
icmp.c
net: icmp: fix data-race in cmp_global_allow()
2020-01-04 14:00:08 +01:00
igmp.c
igmp: fix memory leak in igmpv3_del_delrec()
2019-07-31 07:28:44 +02:00
inet_connection_sock.c
net: add {READ|WRITE}_ONCE() annotations on ->rskq_accept_head
2020-01-27 14:46:50 +01:00
inet_diag.c
tcp/dccp: fix possible race __inet_lookup_established()
2020-01-04 14:00:19 +01:00
inet_fragment.c
net: IP defrag: encapsulate rbtree defrag code into callable functions
2019-04-27 09:35:40 +02:00
inet_hashtables.c
tcp/dccp: fix possible race __inet_lookup_established()
2020-01-04 14:00:19 +01:00
inet_timewait_sock.c
…
inetpeer.c
inetpeer: fix data-race in inet_putpeer / inet_putpeer
2020-01-04 14:00:07 +01:00
ip_forward.c
…
ip_fragment.c
net: IP defrag: encapsulate rbtree defrag code into callable functions
2019-04-27 09:35:40 +02:00
ip_gre.c
ip_gre: fix parsing gre header in ipgre_err
2019-11-20 18:00:02 +01:00
ip_input.c
vrf: check accept_source_route on the original netdevice
2019-04-17 08:37:48 +02:00
ip_options.c
vrf: check accept_source_route on the original netdevice
2019-04-17 08:37:48 +02:00
ip_output.c
inet: protect against too small mtu values.
2019-12-21 10:47:38 +01:00
ip_sockglue.c
ip: on queued skb use skb_header_pointer instead of pskb_may_pull
2019-01-23 08:09:47 +01:00
ip_tunnel_core.c
ip_tunnel: allow not to count pkts on tstats by setting skb's dev to NULL
2019-08-04 09:32:03 +02:00
ip_tunnel.c
net, ip_tunnel: fix namespaces move
2020-01-29 15:02:36 +01:00
ip_vti.c
vti: do not confirm neighbor when do pmtu update
2020-01-04 14:00:17 +01:00
ipcomp.c
…
ipconfig.c
…
ipip.c
…
ipmr.c
ipv4: Fix potential Spectre v1 vulnerability
2019-01-09 17:14:42 +01:00
Kconfig
…
Makefile
…
netfilter.c
…
ping.c
…
proc.c
tcp: tcp_fragment() should apply sane memory limits
2019-06-17 19:52:44 +02:00
protocol.c
…
raw_diag.c
net: don't warn in inet diag when IPV6 is disabled
2019-10-05 12:47:38 +02:00
raw.c
ipv4: Use return value of inet_iif() for __raw_v4_lookup in the while loop
2019-07-03 13:16:01 +02:00
route.c
net: add bool confirm_neigh parameter for dst_ops.update_pmtu
2020-01-04 14:00:14 +01:00
syncookies.c
tcp: handle inet_csk_reqsk_queue_add() failures
2019-03-19 13:13:23 +01:00
sysctl_net_ipv4.c
tcp: add tcp_min_snd_mss sysctl
2019-06-17 19:52:44 +02:00
tcp_bbr.c
tcp_bbr: improve arithmetic division in bbr_update_bw()
2020-01-29 15:02:36 +01:00
tcp_bic.c
…
tcp_cdg.c
…
tcp_cong.c
tcp: fix tcp_set_congestion_control() use from bpf hook
2019-07-31 07:28:46 +02:00
tcp_cubic.c
…
tcp_dctcp.c
tcp: Ensure DCTCP reacts to losses
2019-04-17 08:37:47 +02:00
tcp_diag.c
…
tcp_fastopen.c
net: add rb_to_skb() and other rb tree helpers
2018-09-19 22:43:47 +02:00
tcp_highspeed.c
…
tcp_htcp.c
…
tcp_hybla.c
…
tcp_illinois.c
…
tcp_input.c
tcp: fix marked lost packets not being retransmitted
2020-01-23 08:20:35 +01:00
tcp_ipv4.c
tcp/dccp: fix possible race __inet_lookup_established()
2020-01-04 14:00:19 +01:00
tcp_lp.c
…
tcp_metrics.c
…
tcp_minisocks.c
…
tcp_nv.c
…
tcp_offload.c
…
tcp_output.c
tcp: do not send empty skb from tcp_write_xmit()
2020-01-04 14:00:20 +01:00
tcp_probe.c
…
tcp_rate.c
…
tcp_recovery.c
…
tcp_scalable.c
…
tcp_timer.c
tcp: exit if nothing to retransmit on RTO timeout
2019-12-17 20:38:43 +01:00
tcp_ulp.c
tcp, ulp: add alias for all ulp modules
2018-09-15 09:45:29 +02:00
tcp_vegas.c
…
tcp_vegas.h
…
tcp_veno.c
…
tcp_westwood.c
…
tcp_yeah.c
…
tcp.c
tcp: annotate lockless access to tcp_memory_pressure
2020-01-27 14:46:50 +01:00
tunnel4.c
…
udp_diag.c
…
udp_impl.h
…
udp_offload.c
…
udp_tunnel.c
…
udp.c
udp: fix integer overflow while computing available space in sk_rcvbuf
2020-01-04 14:00:13 +01:00
udplite.c
…
xfrm4_input.c
xfrm: reset transport header back to network header after all input transforms ahave been applied
2018-11-04 14:52:37 +01:00
xfrm4_mode_beet.c
…
xfrm4_mode_transport.c
xfrm: reset transport header back to network header after all input transforms ahave been applied
2018-11-04 14:52:37 +01:00
xfrm4_mode_tunnel.c
…
xfrm4_output.c
…
xfrm4_policy.c
net: add bool confirm_neigh parameter for dst_ops.update_pmtu
2020-01-04 14:00:14 +01:00
xfrm4_protocol.c
…
xfrm4_state.c
…
xfrm4_tunnel.c
…