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Message-ID: <20250407231823.95927-1-kuniyu@amazon.com>
Date: Mon, 7 Apr 2025 16:17:47 -0700
From: Kuniyuki Iwashima <kuniyu@...zon.com>
To: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
<edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
<pabeni@...hat.com>
CC: Simon Horman <horms@...nel.org>, David Ahern <dsahern@...nel.org>, "Neal
Cardwell" <ncardwell@...gle.com>, Willem de Bruijn <willemb@...gle.com>,
"Pablo Neira Ayuso" <pablo@...filter.org>, Jozsef Kadlecsik
<kadlec@...filter.org>, Paul Moore <paul@...l-moore.com>, James Morris
<jmorris@...ei.org>, "Serge E. Hallyn" <serge@...lyn.com>, Kuniyuki Iwashima
<kuniyu@...zon.com>, "Kuniyuki Iwashima" <kuni1840@...il.com>,
<netdev@...r.kernel.org>
Subject: [PATCH v1 net-next 0/4] net: Retire DCCP.
As announced by commit b144fcaf46d4 ("dccp: Print deprecation
notice."), it's time to remove DCCP.
The patch 2 removes net/dccp, netfilter/LSM code, doc, and etc,
leaving the uAPI headers alone.
The patch 3 unexports shared functions for DCCP, and the patch 4
renames tcp_or_dccp_get_hashinfo() to tcp_get_hashinfo().
We can do more cleanup; for example, remove IPPROTO_TCP checks in
__inet6?_check_established(), remove __module_get() for twsk,
remove timewait_sock_ops.twsk_destructor(), etc, but it will be
more of TCP stuff, so I'll defer to a later series.
Kuniyuki Iwashima (4):
selftest: net: Remove DCCP bits.
net: Retire DCCP.
net: Unexport shared functions for DCCP.
tcp: Rename tcp_or_dccp_get_hashinfo().
Documentation/admin-guide/bug-hunting.rst | 2 +-
Documentation/netlink/specs/conntrack.yaml | 22 -
Documentation/networking/dccp.rst | 219 ---
Documentation/networking/index.rst | 1 -
Documentation/networking/ip-sysctl.rst | 4 +-
.../networking/nf_conntrack-sysctl.rst | 1 -
.../zh_CN/admin-guide/bug-hunting.rst | 2 +-
.../zh_TW/admin-guide/bug-hunting.rst | 2 +-
MAINTAINERS | 9 -
arch/arm/configs/omap2plus_defconfig | 1 -
arch/loongarch/configs/loongson3_defconfig | 1 -
arch/m68k/configs/amiga_defconfig | 3 -
arch/m68k/configs/apollo_defconfig | 3 -
arch/m68k/configs/atari_defconfig | 3 -
arch/m68k/configs/bvme6000_defconfig | 3 -
arch/m68k/configs/hp300_defconfig | 3 -
arch/m68k/configs/mac_defconfig | 3 -
arch/m68k/configs/multi_defconfig | 3 -
arch/m68k/configs/mvme147_defconfig | 3 -
arch/m68k/configs/mvme16x_defconfig | 3 -
arch/m68k/configs/q40_defconfig | 3 -
arch/m68k/configs/sun3_defconfig | 3 -
arch/m68k/configs/sun3x_defconfig | 3 -
arch/mips/configs/bigsur_defconfig | 1 -
arch/mips/configs/fuloong2e_defconfig | 1 -
arch/mips/configs/gpr_defconfig | 1 -
arch/mips/configs/ip22_defconfig | 1 -
arch/mips/configs/loongson2k_defconfig | 1 -
arch/mips/configs/loongson3_defconfig | 1 -
arch/mips/configs/malta_defconfig | 1 -
arch/mips/configs/malta_kvm_defconfig | 1 -
arch/mips/configs/maltaup_xpa_defconfig | 1 -
arch/mips/configs/mtx1_defconfig | 1 -
arch/mips/configs/rb532_defconfig | 1 -
arch/mips/configs/rm200_defconfig | 1 -
arch/powerpc/configs/cell_defconfig | 1 -
arch/powerpc/configs/pmac32_defconfig | 1 -
arch/powerpc/configs/ppc6xx_defconfig | 1 -
arch/s390/configs/debug_defconfig | 1 -
arch/s390/configs/defconfig | 1 -
arch/sh/configs/titan_defconfig | 1 -
include/linux/dccp.h | 324 ----
include/linux/in.h | 1 -
include/linux/netfilter/nf_conntrack_dccp.h | 38 -
include/linux/tfrc.h | 51 -
include/net/inet_hashtables.h | 7 +-
.../net/netfilter/ipv4/nf_conntrack_ipv4.h | 3 -
include/net/netfilter/nf_conntrack.h | 2 -
include/net/netfilter/nf_conntrack_l4proto.h | 13 -
include/net/netfilter/nf_conntrack_tuple.h | 3 -
include/net/netfilter/nf_reject.h | 1 -
include/net/netns/conntrack.h | 13 -
include/net/rstreason.h | 2 +-
include/net/secure_seq.h | 4 -
include/net/sock.h | 1 -
include/trace/events/sock.h | 1 -
include/trace/events/sunrpc.h | 2 -
net/Kconfig | 1 -
net/Makefile | 1 -
net/bridge/netfilter/ebt_ip.c | 3 +-
net/bridge/netfilter/ebt_ip6.c | 3 +-
net/bridge/netfilter/ebt_log.c | 3 +-
net/core/flow_dissector.c | 4 -
net/core/secure_seq.c | 42 -
net/core/sock.c | 24 +-
net/core/sock_diag.c | 2 -
net/dccp/Kconfig | 46 -
net/dccp/Makefile | 30 -
net/dccp/ackvec.c | 403 -----
net/dccp/ackvec.h | 136 --
net/dccp/ccid.c | 219 ---
net/dccp/ccid.h | 262 ---
net/dccp/ccids/Kconfig | 55 -
net/dccp/ccids/ccid2.c | 794 ---------
net/dccp/ccids/ccid2.h | 121 --
net/dccp/ccids/ccid3.c | 866 ---------
net/dccp/ccids/ccid3.h | 148 --
net/dccp/ccids/lib/loss_interval.c | 184 --
net/dccp/ccids/lib/loss_interval.h | 69 -
net/dccp/ccids/lib/packet_history.c | 439 -----
net/dccp/ccids/lib/packet_history.h | 142 --
net/dccp/ccids/lib/tfrc.c | 46 -
net/dccp/ccids/lib/tfrc.h | 73 -
net/dccp/ccids/lib/tfrc_equation.c | 702 --------
net/dccp/dccp.h | 483 -----
net/dccp/diag.c | 85 -
net/dccp/feat.c | 1581 -----------------
net/dccp/feat.h | 133 --
net/dccp/input.c | 739 --------
net/dccp/ipv4.c | 1101 ------------
net/dccp/ipv6.c | 1174 ------------
net/dccp/ipv6.h | 27 -
net/dccp/minisocks.c | 266 ---
net/dccp/options.c | 609 -------
net/dccp/output.c | 708 --------
net/dccp/proto.c | 1293 --------------
net/dccp/qpolicy.c | 136 --
net/dccp/sysctl.c | 107 --
net/dccp/timer.c | 272 ---
net/dccp/trace.h | 82 -
net/ipv4/Kconfig | 2 +-
net/ipv4/af_inet.c | 5 +-
net/ipv4/inet_connection_sock.c | 23 +-
net/ipv4/inet_diag.c | 2 -
net/ipv4/inet_hashtables.c | 30 +-
net/ipv4/inet_timewait_sock.c | 6 +-
net/ipv6/af_inet6.c | 1 -
net/ipv6/inet6_connection_sock.c | 2 -
net/ipv6/ip6_output.c | 2 +-
net/netfilter/Kconfig | 22 -
net/netfilter/Makefile | 2 -
net/netfilter/nf_conntrack_core.c | 10 +-
net/netfilter/nf_conntrack_netlink.c | 1 -
net/netfilter/nf_conntrack_proto.c | 6 -
net/netfilter/nf_conntrack_proto_dccp.c | 826 ---------
net/netfilter/nf_conntrack_standalone.c | 92 -
net/netfilter/nf_nat_core.c | 6 -
net/netfilter/nf_nat_proto.c | 44 -
net/netfilter/nfnetlink_cttimeout.c | 5 -
net/netfilter/nft_ct.c | 1 -
net/netfilter/nft_exthdr.c | 106 --
net/netfilter/xt_dccp.c | 185 --
net/netfilter/xt_multiport.c | 6 +-
samples/bpf/sockex2_kern.c | 1 -
scripts/checkpatch.pl | 2 +-
security/lsm_audit.c | 19 -
security/selinux/hooks.c | 41 +-
security/selinux/include/classmap.h | 2 -
security/selinux/nlmsgtab.c | 1 -
security/smack/smack_lsm.c | 9 +-
tools/testing/selftests/net/config | 1 -
.../selftests/net/reuseport_addr_any.c | 36 +-
132 files changed, 49 insertions(+), 15846 deletions(-)
delete mode 100644 Documentation/networking/dccp.rst
delete mode 100644 include/linux/dccp.h
delete mode 100644 include/linux/netfilter/nf_conntrack_dccp.h
delete mode 100644 include/linux/tfrc.h
delete mode 100644 net/dccp/Kconfig
delete mode 100644 net/dccp/Makefile
delete mode 100644 net/dccp/ackvec.c
delete mode 100644 net/dccp/ackvec.h
delete mode 100644 net/dccp/ccid.c
delete mode 100644 net/dccp/ccid.h
delete mode 100644 net/dccp/ccids/Kconfig
delete mode 100644 net/dccp/ccids/ccid2.c
delete mode 100644 net/dccp/ccids/ccid2.h
delete mode 100644 net/dccp/ccids/ccid3.c
delete mode 100644 net/dccp/ccids/ccid3.h
delete mode 100644 net/dccp/ccids/lib/loss_interval.c
delete mode 100644 net/dccp/ccids/lib/loss_interval.h
delete mode 100644 net/dccp/ccids/lib/packet_history.c
delete mode 100644 net/dccp/ccids/lib/packet_history.h
delete mode 100644 net/dccp/ccids/lib/tfrc.c
delete mode 100644 net/dccp/ccids/lib/tfrc.h
delete mode 100644 net/dccp/ccids/lib/tfrc_equation.c
delete mode 100644 net/dccp/dccp.h
delete mode 100644 net/dccp/diag.c
delete mode 100644 net/dccp/feat.c
delete mode 100644 net/dccp/feat.h
delete mode 100644 net/dccp/input.c
delete mode 100644 net/dccp/ipv4.c
delete mode 100644 net/dccp/ipv6.c
delete mode 100644 net/dccp/ipv6.h
delete mode 100644 net/dccp/minisocks.c
delete mode 100644 net/dccp/options.c
delete mode 100644 net/dccp/output.c
delete mode 100644 net/dccp/proto.c
delete mode 100644 net/dccp/qpolicy.c
delete mode 100644 net/dccp/sysctl.c
delete mode 100644 net/dccp/timer.c
delete mode 100644 net/dccp/trace.h
delete mode 100644 net/netfilter/nf_conntrack_proto_dccp.c
delete mode 100644 net/netfilter/xt_dccp.c
--
2.48.1
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