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linux/net/ipv4
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Neil Spring 3aa7857fe1 tcp: enable mid stream window clamp 
The TCP_WINDOW_CLAMP socket option is defined in tcp(7) to "Bound the size
of the advertised window to this value."  Window clamping is distributed
across two variables, window_clamp ("Maximal window to advertise" in
tcp.h) and rcv_ssthresh ("Current window clamp").

This patch updates the function where the window clamp is set to also
reduce the current window clamp, rcv_sshthresh, if needed.  With this,
setting the TCP_WINDOW_CLAMP option has the documented effect of limiting
the window.

Signed-off-by: Neil Spring <ntspring@fb.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20210825210117.1668371-1-ntspring@fb.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-08-26 18:00:40 -07:00
..
bpfilter
net: Revert "net: optimize the sockptr_t for unified kernel/user address spaces"
2020-08-10 12:06:44 -07:00
netfilter
netfilter: x_tables: never register tables by default
2021-08-09 10:22:01 +02:00
af_inet.c
net: socket: rework compat_ifreq_ioctl()
2021-07-23 14:20:25 +01:00
ah4.c
Networking changes for 5.14.
2021-06-30 15:51:09 -07:00
arp.c
net: Exempt multicast addresses from five-second neighbor lifetime
2020-11-13 14:24:39 -08:00
bpf_tcp_ca.c
bpf: Limit static tcp-cc functions in the .BTF_ids list to x86
2021-05-11 23:23:07 +02:00
cipso_ipv4.c
net: fix NULL pointer reference in cipso_v4_doi_free
2021-08-26 12:20:47 +01:00
datagram.c
…
devinet.c
net: add extack arg for link ops
2021-08-04 10:01:26 +01:00
esp4_offload.c
xfrm: remove description from xfrm_type struct
2021-06-09 09:38:52 +02:00
esp4.c
Networking changes for 5.14.
2021-06-30 15:51:09 -07:00
fib_frontend.c
net: Use nlmsg_unicast() instead of netlink_unicast()
2021-07-13 09:28:29 -07:00
fib_lookup.h
ipv4: Fix spelling mistakes
2021-06-07 14:08:30 -07:00
fib_notifier.c
…
fib_rules.c
fib: use indirect call wrappers in the most common fib_rules_ops
2020-07-28 17:42:31 -07:00
fib_semantics.c
net: Remove redundant if statements
2021-08-05 13:27:50 +01:00
fib_trie.c
memcg: enable accounting for IP address and routing-related objects
2021-07-20 06:00:38 -07:00
fou.c
genetlink: move to smaller ops wherever possible
2020-10-02 19:11:11 -07:00
gre_demux.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
gre_offload.c
ip_gre: add csum offload support for gre header
2021-01-29 20:39:14 -08:00
icmp.c
net: Remove redundant if statements
2021-08-05 13:27:50 +01:00
igmp.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-08-13 06:41:22 -07:00
inet_connection_sock.c
net-memcg: pass in gfp_t mask to mem_cgroup_charge_skmem()
2021-08-18 11:39:44 +01:00
inet_diag.c
net: Use nlmsg_unicast() instead of netlink_unicast()
2021-07-13 09:28:29 -07:00
inet_fragment.c
inet: frags: batch fqdir destroy works
2020-12-12 15:08:54 -08:00
inet_hashtables.c
tcp: Keep TCP_CLOSE sockets in the reuseport group.
2021-06-15 18:01:05 +02:00
inet_timewait_sock.c
net: Use generic ns_common::count
2020-08-19 14:06:36 +02:00
inetpeer.c
inetpeer: use div64_ul() and clamp_val() calculate inet_peer_threshold
2021-03-01 13:32:12 -08:00
ip_forward.c
…
ip_fragment.c
…
ip_gre.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-08-26 17:57:57 -07:00
ip_input.c
net: use indirect call helpers for dst_input
2021-02-03 14:51:39 -08:00
ip_options.c
net: clean up codestyle for net/ipv4
2020-08-25 06:28:02 -07:00
ip_output.c
net: ipv4: Move ip_options_fragment() out of loop
2021-08-24 09:24:18 +01:00
ip_sockglue.c
net/ipv4/ipv6: Replace one-element arraya with flexible-array members
2021-08-05 11:46:42 +01:00
ip_tunnel_core.c
net: ip_tunnel: clean up endianness conversions
2021-01-08 19:25:35 -08:00
ip_tunnel.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-07-31 09:14:46 -07:00
ip_vti.c
ip_tunnel: use ndo_siocdevprivate
2021-07-27 20:11:44 +01:00
ipcomp.c
Networking changes for 5.14.
2021-06-30 15:51:09 -07:00
ipconfig.c
net: ipconfig: Don't override command-line hostnames or domains
2021-06-02 13:27:03 -07:00
ipip.c
ip_tunnel: use ndo_siocdevprivate
2021-07-27 20:11:44 +01:00
ipmr_base.c
…
ipmr.c
ipmr: Fix indentation issue
2021-07-07 20:52:25 -07:00
Kconfig
net: ipv4: remove duplicate "the the" phrase in Kconfig text
2020-08-18 16:02:16 -07:00
Makefile
bpf: Clean up sockmap related Kconfigs
2021-02-26 12:28:03 -08:00
metrics.c
treewide: rename nla_strlcpy to nla_strscpy.
2020-11-16 08:08:54 -08:00
netfilter.c
netfilter: Dissect flow after packet mangling
2021-04-18 22:04:16 +02:00
netlink.c
…
nexthop.c
nexthop: Restart nexthop dump based on last dumped nexthop identifier
2021-04-19 15:20:34 -07:00
ping.c
net: sock: introduce sk_error_report
2021-06-29 11:28:21 -07:00
proc.c
tcp: Add stats for socket migration.
2021-06-23 12:56:08 -07:00
protocol.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
raw_diag.c
net: Use nlmsg_unicast() instead of netlink_unicast()
2021-07-13 09:28:29 -07:00
raw.c
net: sock: introduce sk_error_report
2021-06-29 11:28:21 -07:00
route.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-08-26 17:57:57 -07:00
syncookies.c
selinux/stable-5.11 PR 20201214
2020-12-16 11:01:04 -08:00
sysctl_net_ipv4.c
net: Introduce net.ipv4.tcp_migrate_req.
2021-06-15 18:01:05 +02:00
tcp_bbr.c
tcp_bbr: fix u32 wrap bug in round logic if bbr_init() called after 2B packets
2021-08-11 15:00:15 -07:00
tcp_bic.c
tcp: fix stretch ACK bugs in BIC
2020-03-16 18:26:54 -07:00
tcp_bpf.c
bpf, sockmap, tcp: sk_prot needs inuse_idx set for proc stats
2021-07-15 19:54:22 +02:00
tcp_cdg.c
…
tcp_cong.c
net: Only allow init netns to set default tcp cong to a restricted algo
2021-05-04 11:58:28 -07:00
tcp_cubic.c
tcp: Rename bictcp function prefix to cubictcp
2021-03-26 20:41:51 -07:00
tcp_dctcp.c
…
tcp_dctcp.h
…
tcp_diag.c
inet_diag: Move the INET_DIAG_REQ_BYTECODE nlattr to cb->data
2020-02-27 18:50:19 -08:00
tcp_fastopen.c
tcp: enable data-less, empty-cookie SYN with TFO_SERVER_COOKIE_NOT_REQD
2021-08-16 17:25:49 -07:00
tcp_highspeed.c
Replace HTTP links with HTTPS ones: IPv*
2020-07-06 13:23:03 -07:00
tcp_htcp.c
Replace HTTP links with HTTPS ones: IPv*
2020-07-06 13:23:03 -07:00
tcp_hybla.c
…
tcp_illinois.c
…
tcp_input.c
tcp: more accurately check DSACKs to grow RACK reordering window
2021-07-27 20:07:21 +01:00
tcp_ipv4.c
Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2021-07-31 11:23:26 -07:00
tcp_lp.c
ipv4: tcp_lp.c: Couple of typo fixes
2021-03-28 17:31:13 -07:00
tcp_metrics.c
fixes-v5.11
2020-12-14 16:40:27 -08:00
tcp_minisocks.c
tcp: Add stats for socket migration.
2021-06-23 12:56:08 -07:00
tcp_nv.c
…
tcp_offload.c
net, gro: Set inner transport header offset in tcp/udp GRO hook
2021-08-02 10:20:56 +01:00
tcp_output.c
net-memcg: pass in gfp_t mask to mem_cgroup_charge_skmem()
2021-08-18 11:39:44 +01:00
tcp_rate.c
…
tcp_recovery.c
tcp: more accurately check DSACKs to grow RACK reordering window
2021-07-27 20:07:21 +01:00
tcp_scalable.c
net: ipv4: delete repeated words
2020-08-24 17:31:20 -07:00
tcp_timer.c
net: sock: introduce sk_error_report
2021-06-29 11:28:21 -07:00
tcp_ulp.c
bpf: sockmap: Only check ULP for TCP sockets
2020-03-09 22:34:58 +01:00
tcp_vegas.c
tcp: use semicolons rather than commas to separate statements
2020-10-13 17:11:52 -07:00
tcp_vegas.h
…
tcp_veno.c
Replace HTTP links with HTTPS ones: IPv*
2020-07-06 13:23:03 -07:00
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
tcp: enable mid stream window clamp
2021-08-26 18:00:40 -07:00
tunnel4.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
udp_bpf.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-07-23 16:13:06 +01:00
udp_diag.c
net: Use nlmsg_unicast() instead of netlink_unicast()
2021-07-13 09:28:29 -07:00
udp_impl.h
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
udp_offload.c
net, gro: Set inner transport header offset in tcp/udp GRO hook
2021-08-02 10:20:56 +01:00
udp_tunnel_core.c
udp_tunnel: reshuffle NETIF_F_RX_UDP_TUNNEL_PORT checks
2021-01-07 12:53:29 -08:00
udp_tunnel_nic.c
udp_tunnel: add the ability to share port tables
2020-09-28 12:50:12 -07:00
udp_tunnel_stub.c
udp_tunnel: add central NIC RX port offload infrastructure
2020-07-10 13:54:00 -07:00
udp.c
udp: check encap socket in __udp_lib_err
2021-07-21 08:49:31 -07:00
udplite.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
xfrm4_input.c
xfrm: state: remove extract_input indirection from xfrm_state_afinfo
2020-05-06 09:40:08 +02:00
xfrm4_output.c
xfrm: fix unused variable warning if CONFIG_NETFILTER=n
2020-05-11 15:12:27 +02:00
xfrm4_policy.c
…
xfrm4_protocol.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
xfrm4_state.c
xfrm: remove output_finish indirection from xfrm_state_afinfo
2020-05-06 09:40:08 +02:00
xfrm4_tunnel.c
xfrm: remove description from xfrm_type struct
2021-06-09 09:38:52 +02:00