linux/Documentation/networking
Linus Torvalds 64edfa6506 Delete some obsolete networking code
Old code like amateur radio and NFC have long been a burden
 to core networking developers. syzbot loves to find bugs
 in BKL-era code, and noobs try to fix them.
 
 If we want to have a fighting chance of surviving the LLM-pocalypse
 this code needs to find a dedicated owner or get deleted.
 We've talked about these deletions multiple times in the past
 and every time someone wanted the code to stay. It is never
 very clear to me how many of those people actually use the code
 vs are just nostalgic to see it go. Amateur radio did have
 occasional users (or so I think) but most users switched
 to user space implementations since its all super slow stuff.
 Nobody stepped up to maintain the kernel code.
 
 We were lucky enough to find someone who wants to help with NFC
 so we're giving that a chance. Let's try to put the rest of
 this code behind us.
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-deletions' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking deletions from Jakub Kicinski:
 "Delete some obsolete networking code

  Old code like amateur radio and NFC have long been a burden to core
  networking developers. syzbot loves to find bugs in BKL-era code, and
  noobs try to fix them.

  If we want to have a fighting chance of surviving the LLM-pocalypse
  this code needs to find a dedicated owner or get deleted. We've talked
  about these deletions multiple times in the past and every time
  someone wanted the code to stay. It is never very clear to me how many
  of those people actually use the code vs are just nostalgic to see it
  go. Amateur radio did have occasional users (or so I think) but most
  users switched to user space implementations since its all super slow
  stuff. Nobody stepped up to maintain the kernel code.

  We were lucky enough to find someone who wants to help with NFC so
  we're giving that a chance. Let's try to put the rest of this code
  behind us"

* tag 'net-deletions' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next:
  drivers: net: 8390: wd80x3: Remove this driver
  drivers: net: 8390: ultra: Remove this driver
  drivers: net: 8390: AX88190: Remove this driver
  drivers: net: fujitsu: fmvj18x: Remove this driver
  drivers: net: smsc: smc91c92: Remove this driver
  drivers: net: smsc: smc9194: Remove this driver
  drivers: net: amd: nmclan: Remove this driver
  drivers: net: amd: lance: Remove this driver
  drivers: net: 3com: 3c589: Remove this driver
  drivers: net: 3com: 3c574: Remove this driver
  drivers: net: 3com: 3c515: Remove this driver
  drivers: net: 3com: 3c509: Remove this driver
  net: packetengines: remove obsolete yellowfin driver and vendor dir
  net: packetengines: remove obsolete hamachi driver
  net: remove unused ATM protocols and legacy ATM device drivers
  net: remove ax25 and amateur radio (hamradio) subsystem
  net: remove ISDN subsystem and Bluetooth CMTP
  caif: remove CAIF NETWORK LAYER
2026-04-24 09:41:58 -07:00
..
device_drivers drivers: net: smsc: smc91c92: Remove this driver 2026-04-23 15:57:06 -07:00
devlink devlink: Document resource scope filtering 2026-04-08 19:55:39 -07:00
diagnostic Documentation: use a source-read extension for the index link boilerplate 2026-01-23 11:59:34 -07:00
dsa net: dsa: remove struct platform_data 2026-04-08 19:38:52 -07:00
mac80211_hwsim
net_cachelines tcp: implement RFC 7323 window retraction receiver requirements 2026-03-14 08:01:49 -07:00
pse-pd net: pse-pd: Add support for PSE PIs 2024-04-18 18:27:33 -07:00
xfrm net: Move XFRM documentation into its own subdirectory 2025-11-12 08:30:03 +01:00
6lowpan.rst
af_xdp.rst net: xsk: introduce XDP_MAX_TX_SKB_BUDGET setsockopt 2025-07-10 14:48:29 +02:00
alias.rst
arcnet-hardware.rst Documentation: ARCnet: Update obsolete contact info 2025-10-31 18:08:08 -07:00
arcnet.rst Documentation: ARCnet: Update obsolete contact info 2025-10-31 18:08:08 -07:00
atm.rst
bareudp.rst docs: net: bareudp: fix spelling and grammar mistakes 2024-11-30 13:54:28 -08:00
batman-adv.rst batman-adv: Use consistent name for mesh interface 2025-02-22 11:36:22 +01:00
bonding.rst bonding: support aggregator selection based on port priority 2025-09-09 10:56:02 +02:00
bridge.rst docs: net: bridge: document stp_mode attribute 2026-04-10 15:52:25 -07:00
can_ucan_protocol.rst
can.rst linux-can-fixes-for-6.18-20251014 2025-10-15 17:56:20 -07:00
cdc_mbim.rst Fix spelling mistake 2024-11-28 12:08:32 +01:00
checksum-offloads.rst
dctcp.rst
devmem.rst net: add devmem TCP TX documentation 2025-05-13 11:12:48 +02:00
dns_resolver.rst net: dns_resolver: Fix request-key cross-reference 2025-09-26 15:21:38 -07:00
driver.rst
eql.rst
ethtool-netlink.rst net: ethtool: add ethtool COALESCE_RX_CQE_FRAMES/NSECS 2026-03-18 20:01:10 -07:00
failover.rst
fib_trie.rst
filter.rst ARC: Add eBPF JIT support 2024-05-12 16:51:36 -07:00
gen_stats.rst
generic_netlink.rst
generic-hdlc.rst
gtp.rst
ieee802154.rst Documentation: ieee802154: fix grammar 2024-10-28 21:14:27 +01:00
ila.rst
index.rst net: remove ax25 and amateur radio (hamradio) subsystem 2026-04-23 10:24:02 -07:00
ioam6-sysctl.rst
iou-zcrx.rst io_uring/zcrx: document area chunking parameter 2026-01-14 02:13:37 +00:00
ip_dynaddr.rst
ip-sysctl.rst inet: add ip_local_port_step_width sysctl to improve port usage distribution 2026-03-10 18:59:39 -07:00
ipsec.rst
ipv6.rst
ipvlan.rst
ipvs-sysctl.rst ipvs: add conn_lfactor and svc_lfactor sysctl vars 2026-04-10 12:16:26 +02:00
iso15765-2.rst Documentation/networking: fix basic node example document ISO 15765-2 2025-02-08 11:28:11 +01:00
j1939.rst can: j1939: Extend stack documentation with buffer size behavior 2025-02-19 11:10:53 +01:00
kapi.rst net-shapers: implement NL get operation 2024-10-10 08:30:22 -07:00
kcm.rst docs/kcm: Fix typo "BFP" 2025-03-24 12:20:42 -07:00
l2tp.rst documentation/networking: update l2tp docs 2024-08-11 04:38:49 +01:00
lapb-module.rst
mac80211-auth-assoc-deauth.txt
mac80211-injection.rst
mctp.rst
mpls-sysctl.rst
mptcp-sysctl.rst mptcp: make ADD_ADDR retransmission timeout adaptive 2025-09-09 18:57:45 -07:00
mptcp.rst Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-09-11 17:40:13 -07:00
msg_zerocopy.rst docs: net: description of MSG_ZEROCOPY for AF_VSOCK 2023-10-15 13:19:42 +01:00
multi-pf-netdev.rst tools: ynl: move python code to separate sub-directory 2025-01-09 12:53:27 -08:00
multiqueue.rst
napi.rst net: Extend NAPI threaded polling to allow kthread based busy polling 2025-11-03 18:11:40 -08:00
net_dim.rst dim: pass dim_sample to net_dim() by reference 2024-11-03 12:36:54 -08:00
net_failover.rst Documentation: net: net_failover: Separate cloud-ifupdown-helper and reattach-vf.sh code blocks marker 2025-10-17 16:28:29 -07:00
netconsole.rst Documentation: netconsole: Separate literal code blocks for full and short netcat command name versions 2025-10-31 16:54:22 -07:00
netdev-features.rst net: enable driver support for netmem TX 2025-05-13 11:12:49 +02:00
netdevices.rst net: move promiscuity handling into netdev_rx_mode_work 2026-04-21 12:50:24 +02:00
netfilter-sysctl.rst
netif-msg.rst
netmem.rst net: enable driver support for netmem TX 2025-05-13 11:12:49 +02:00
nexthop-group-resilient.rst
nf_conntrack-sysctl.rst netfilter: conntrack: remove DCCP protocol support 2025-07-03 13:51:39 +02:00
nf_flowtable.rst
nfc.rst net: nfc: Format userspace interface subsection headings 2025-10-21 10:57:45 +02:00
oa-tc6-framework.rst Documentation: networking: add OPEN Alliance 10BASE-T1x MAC-PHY serial interface 2024-09-11 20:53:42 -07:00
openvswitch.rst
operstates.rst
packet_mmap.rst docs: networking: packet_mmap: replace dead links with archive.org links 2024-10-28 15:47:10 -07:00
page_pool.rst net: page_pool: expose page pool stats via netlink 2023-11-28 15:48:39 +01:00
phonet.rst
phy-link-topology.rst Documentation: networking: document phy_link_topology 2024-08-23 13:04:35 +01:00
phy-port.rst Documentation: networking: Document the phy_port infrastructure 2026-01-13 18:52:36 -08:00
phy.rst net: phy: remove unused fixup unregistering functions 2026-01-15 19:48:26 -08:00
pktgen.rst pktgen: Introducing 'SHARED' flag for testing with non-shared skb 2023-09-28 16:25:14 +02:00
plip.rst
ppp_generic.rst
proc_net_tcp.rst
psp.rst psp: add documentation 2025-09-18 12:32:06 +02:00
radiotap-headers.rst
rds.rst Documentation: Fix networking typos 2025-08-18 10:31:20 -06:00
regulatory.rst
representors.rst Documentation: Add documentation for eswitch attribute 2024-03-28 18:20:08 -07:00
rxrpc.rst Documentation: rxrpc: Demote three sections 2025-09-24 18:12:10 -07:00
scaling.rst net-sysfs: use rps_tag_ptr and remove metadata from rps_sock_flow_table 2026-03-04 16:54:09 -08:00
sctp.rst
secid.rst
seg6-sysctl.rst doc: fix seg6_flowlabel path 2025-10-12 22:51:37 +01:00
segmentation-offloads.rst net: gso: restore ids of outer ip headers correctly 2025-09-25 12:42:49 +02:00
sfp-phylink.rst doc: sfp-phylink: update the porting guide with PCS handling 2024-03-07 15:27:05 +01:00
skbuff.rst
smc-sysctl.rst net/smc: Add documentation for limit_smc_hs and hs_ctrl 2026-03-10 17:53:03 -07:00
snmp_counter.rst docs: automarkup: linkify git revs 2023-11-17 13:13:24 -07:00
sriov.rst docs: net: document guidance of implementing the SR-IOV NDOs 2024-06-21 10:18:45 +01:00
statistics.rst net: docs: add missing features that can have stats 2025-10-20 18:31:25 -07:00
strparser.rst docs: networking: strparser: Fix a typo 2025-03-24 12:14:16 -07:00
switchdev.rst net: rename netns_local to netns_immutable 2025-03-04 12:44:48 +01:00
sysfs-tagging.rst
tc-actions-env-rules.rst
tc-queue-filters.rst
tcp_ao.rst Documentation: networking/tcp_ao: typo and grammar fixes 2024-10-03 16:38:48 -07:00
tcp-thin.rst
team.rst
timestamping.rst net: remove legacy way to get/set HW timestamp config 2026-01-20 18:21:27 -08:00
tipc.rst Documentation: tipc: fix formatting issue in tipc.rst 2024-11-19 11:17:13 +01:00
tls-handshake.rst net/handshake: Fixed grammar mistake 2026-02-27 19:24:08 -08:00
tls-offload-layers.svg
tls-offload-reorder-bad.svg
tls-offload-reorder-good.svg
tls-offload.rst docs: tls: Enhance TLS resync async process documentation 2026-01-17 15:26:13 -08:00
tls.rst net/tls: support setting the maximum payload size 2025-10-27 16:13:42 -07:00
tproxy.rst docs: tproxy: fix formatting for nft code block 2025-04-29 00:00:26 +02:00
tuntap.rst
udplite.rst
vrf.rst
vxlan.rst
x25-iface.rst docs: networking: fix x25-iface.rst heading & index order 2023-05-10 10:31:46 +01:00
x25.rst
xdp-rx-metadata.rst doc: xdp: Clarify driver implementation for XDP Rx metadata 2025-07-16 16:36:11 -07:00
xsk-tx-metadata.rst xsk: Add launch time hardware offload support to XDP Tx metadata 2025-02-20 15:13:45 -08:00