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Mubashir Adnan Qureshi d496daa833 tcp: add sysctls for TCP PLB parameters 
PLB (Protective Load Balancing) is a host based mechanism for load
balancing across switch links. It leverages congestion signals(e.g. ECN)
from transport layer to randomly change the path of the connection
experiencing congestion. PLB changes the path of the connection by
changing the outgoing IPv6 flow label for IPv6 connections (implemented
in Linux by calling sk_rethink_txhash()). Because of this implementation
mechanism, PLB can currently only work for IPv6 traffic. For more
information, see the SIGCOMM 2022 paper:
  https://doi.org/10.1145/3544216.3544226

This commit adds new sysctl knobs and sets their default values for
TCP PLB.

Signed-off-by: Mubashir Adnan Qureshi <mubashirq@google.com>
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Juhyung Park <qkrwngud825@gmail.com>
2024-12-18 15:08:12 +01:00
..
bpfilter Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
netfilter Revert "netfilter: nf_tables: prevent nf_skb_duplicated corruption" 2024-11-24 00:23:12 +01:00
af_inet.c net: inet: do not leave a dangling sk pointer in inet_create() 2024-12-17 13:24:30 +01:00
ah4.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
arp.c arp: Prevent overflow in arp_req_get(). 2024-11-18 22:25:42 +01:00
bpf_tcp_ca.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
cipso_ipv4.c cipso: fix total option length computation 2024-11-19 14:19:08 +01:00
datagram.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
devinet.c Revert "ipv4: Check !in_dev earlier for ioctl(SIOCSIFADDR)." 2024-11-24 00:23:08 +01:00
esp4.c Revert "net: esp: cleanup esp_output_tail_tcp() in case of unsupported ESPINTCP" 2024-11-24 00:23:57 +01:00
esp4_offload.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fib_frontend.c Revert "ipv4: Mask upper DSCP bits and ECN bits in NETLINK_FIB_LOOKUP family" 2024-11-24 00:23:08 +01:00
fib_lookup.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fib_notifier.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fib_rules.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fib_semantics.c net: Add l3mdev index to flow struct and avoid oif reset for port devices 2024-11-23 23:21:52 +01:00
fib_trie.c net: Add l3mdev index to flow struct and avoid oif reset for port devices 2024-11-23 23:21:52 +01:00
fou.c Revert "fou: remove sparse errors" 2024-11-24 00:23:41 +01:00
gre_demux.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
gre_offload.c Revert "gro: remove rcu_read_lock/rcu_read_unlock from gro_receive handlers" 2024-11-24 00:23:41 +01:00
icmp.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
igmp.c bpf: net: Change do_ip_getsockopt() to take the sockptr_t argument 2024-11-19 08:44:49 +01:00
inet_connection_sock.c tcp: properly terminate timers for kernel sockets 2024-11-19 09:22:44 +01:00
inet_diag.c inet_diag: Initialize pad field in struct inet_diag_req_v2 2024-11-19 14:19:41 +01:00
inet_fragment.c Revert "inet: inet_defrag: prevent sk release while still in use" 2024-11-24 00:23:32 +01:00
inet_hashtables.c Revert "net: set SOCK_RCU_FREE before inserting socket into hashtable" 2024-11-24 00:23:47 +01:00
inet_timewait_sock.c tcp: Fix NEW_SYN_RECV handling in inet_twsk_purge() 2024-11-19 11:32:40 +01:00
inetpeer.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ip_forward.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ip_fragment.c Revert "inet: inet_defrag: prevent sk release while still in use" 2024-11-24 00:23:32 +01:00
ip_gre.c Revert "ipv4: ip_gre: Fix drops of small packets in ipgre_xmit" 2024-11-24 00:23:12 +01:00
ip_input.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ip_options.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ip_output.c net: ipv4: fix a memleak in ip_setup_cork 2024-11-18 12:13:22 +01:00
ip_sockglue.c bpf: net: Change do_ip_getsockopt() to take the sockptr_t argument 2024-11-19 08:44:49 +01:00
ip_tunnel.c net: Handle l3mdev in ip_tunnel_init_flow 2024-11-23 23:21:53 +01:00
ip_tunnel_core.c tunnels: fix out of bounds access when building IPv6 PMTU error 2024-11-18 12:13:24 +01:00
ip_vti.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ipcomp.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ipconfig.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ipip.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ipmr.c ipmr: fix tables suspicious RCU usage 2024-12-17 13:24:16 +01:00
ipmr_base.c ipmr: Fix access to mfc_cache_list without lock held 2024-12-17 13:23:58 +01:00
Kconfig Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Makefile Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
metrics.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
netfilter.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
netlink.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nexthop.c Revert "net: nexthop: Initialize all fields in dumped nexthops" 2024-11-24 00:23:55 +01:00
ping.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
proc.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
protocol.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
raw.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
raw_diag.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
route.c Revert "ipv4: Fix incorrect source address in Record Route option" 2024-11-24 00:23:56 +01:00
syncookies.c tcp: fix cookie_init_timestamp() overflows 2024-11-18 11:42:50 +01:00
sysctl_net_ipv4.c tcp: add sysctls for TCP PLB parameters 2024-12-18 15:08:12 +01:00
tcp.c tcp: add rcv_wnd and plb_rehash to TCP_INFO 2024-12-18 15:07:43 +01:00
tcp_bbr.c tcp: add accessors to read/set tp->snd_cwnd 2024-12-18 15:07:40 +01:00
tcp_bic.c tcp: add accessors to read/set tp->snd_cwnd 2024-12-18 15:07:40 +01:00
tcp_bpf.c tcp_bpf: Fix the sk_mem_uncharge logic in tcp_bpf_sendmsg 2024-12-17 13:24:27 +01:00
tcp_cdg.c tcp: add accessors to read/set tp->snd_cwnd 2024-12-18 15:07:40 +01:00
tcp_cong.c tcp: add accessors to read/set tp->snd_cwnd 2024-12-18 15:07:40 +01:00
tcp_cubic.c tcp: add accessors to read/set tp->snd_cwnd 2024-12-18 15:07:40 +01:00
tcp_dctcp.c tcp: add support for PLB in DCTCP 2024-12-18 15:07:57 +01:00
tcp_dctcp.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tcp_diag.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tcp_fastopen.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tcp_highspeed.c tcp: add accessors to read/set tp->snd_cwnd 2024-12-18 15:07:40 +01:00
tcp_htcp.c tcp: add accessors to read/set tp->snd_cwnd 2024-12-18 15:07:40 +01:00
tcp_hybla.c tcp: add accessors to read/set tp->snd_cwnd 2024-12-18 15:07:40 +01:00
tcp_illinois.c tcp: add accessors to read/set tp->snd_cwnd 2024-12-18 15:07:40 +01:00
tcp_input.c tcp: add accessors to read/set tp->snd_cwnd 2024-12-18 15:07:40 +01:00
tcp_ipv4.c tcp: add sysctls for TCP PLB parameters 2024-12-18 15:08:12 +01:00
tcp_lp.c tcp: add accessors to read/set tp->snd_cwnd 2024-12-18 15:07:40 +01:00
tcp_metrics.c tcp: add accessors to read/set tp->snd_cwnd 2024-12-18 15:07:40 +01:00
tcp_minisocks.c tcp: introduce per-route feature RTAX_FEATURE_ECN_LOW 2024-12-18 15:06:30 +01:00
tcp_nv.c tcp: add accessors to read/set tp->snd_cwnd 2024-12-18 15:07:40 +01:00
tcp_offload.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tcp_output.c tcp: add accessors to read/set tp->snd_cwnd 2024-12-18 15:07:40 +01:00
tcp_rate.c tcp: add accessors to read/set tp->snd_cwnd 2024-12-18 15:07:40 +01:00
tcp_recovery.c tcp: fix excessive TLP and RACK timeouts from HZ rounding 2024-11-08 11:26:10 +01:00
tcp_scalable.c tcp: add accessors to read/set tp->snd_cwnd 2024-12-18 15:07:40 +01:00
tcp_timer.c net-tcp_bbr: broaden app-limited rate sample detection 2024-12-18 15:07:30 +01:00
tcp_ulp.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tcp_vegas.c tcp: add accessors to read/set tp->snd_cwnd 2024-12-18 15:07:40 +01:00
tcp_vegas.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tcp_veno.c tcp: add accessors to read/set tp->snd_cwnd 2024-12-18 15:07:40 +01:00
tcp_westwood.c tcp: add accessors to read/set tp->snd_cwnd 2024-12-18 15:07:40 +01:00
tcp_yeah.c tcp: add accessors to read/set tp->snd_cwnd 2024-12-18 15:07:40 +01:00
tunnel4.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
udp.c udp: Set SOCK_RCU_FREE earlier in udp_lib_get_port(). 2024-11-19 14:19:43 +01:00
udp_bpf.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
udp_diag.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
udp_impl.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
udp_offload.c Revert "fou: remove sparse errors" 2024-11-24 00:23:41 +01:00
udp_tunnel_core.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
udp_tunnel_nic.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
udp_tunnel_stub.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
udplite.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
xfrm4_input.c xfrm: Preserve vlan tags for transport mode software GRO 2024-11-19 11:32:45 +01:00
xfrm4_output.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
xfrm4_policy.c xfrm: respect ip protocols rules criteria when performing dst lookups 2024-11-23 23:22:00 +01:00
xfrm4_protocol.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
xfrm4_state.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
xfrm4_tunnel.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00