Re: [PATCH net-deletions v2] net: remove unused ATM protocols and legacy ATM device drivers
Nikolay Aleksandrov <[email protected]> Wed, 22 Apr 2026 16:17:36 +0300
| Newsgroups | dev.linux.lists.bridge,org.kernel.vger.linux-doc,org.kernel.vger.linux-mips,org.kernel.vger.netdev,org.ozlabs.lists.linuxppc-dev |
|---|---|
| Message-ID | <[email protected]> |
On 22/04/2026 07:18, Jakub Kicinski wrote: > Remove the ATM protocol modules and PCI/SBUS ATM device drivers > that are no longer in active use. > > The ATM core protocol stack, PPPoATM, BR2684, and USB DSL modem > drivers (drivers/usb/atm/) are retained in-tree to maintain PPP > over ATM (PPPoA) and PPPoE-over-BR2684 support for DSL connections. > > Removed ATM protocol modules: > - net/atm/clip.c - Classical IP over ATM (RFC 2225) > - net/atm/lec.c - LAN Emulation Client (LANE) > - net/atm/mpc.c, mpoa_caches.c, mpoa_proc.c - Multi-Protocol Over ATM > > Removed PCI/SBUS ATM device drivers (drivers/atm/): > - adummy, atmtcp - software/testing ATM devices > - eni - Efficient Networks ENI155P (OC-3, ~1995) > - fore200e - FORE Systems 200E PCI/SBUS (OC-3, ~1999) > - he - ForeRunner HE (OC-3/OC-12, ~2000) > - idt77105 - IDT 77105 25 Mbps ATM PHY > - idt77252 - IDT 77252 NICStAR II (OC-3, ~2000) > - iphase - Interphase ATM PCI (OC-3/DS3/E3) > - lanai - Efficient Networks Speedstream 3010 > - nicstar - IDT 77201 NICStAR (155/25 Mbps, ~1999) > - solos-pci - Traverse Technologies ADSL2+ PCI > - suni - PMC S/UNI SONET PHY library > > Also clean up references in: > - net/bridge/ - remove ATM LANE hook (br_fdb_test_addr_hook, > br_fdb_test_addr) > - net/core/dev.c - remove br_fdb_test_addr_hook export > - defconfig files - remove ATM driver config options > > The removed code is moved to an out-of-tree module package (mod-orphan). > > Signed-off-by: Jakub Kicinski <[email protected]> > --- > v2: > - keep BR2684 > - correct the claim that Traverse Technologies is defunct, > I'm still deleting the solos driver, chances are nobody uses it. > Easy enough to revert back in since core is still around. > The guiding principle is to keep USB modems and delete > the rest as USB ADSL2+ CPEs were most popular historically. > v1: https://lore.kernel.org/[email protected] > > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > --- > MAINTAINERS | 3 +- > Documentation/.renames.txt | 2 - > .../device_drivers/atm/fore200e.rst | 66 - > .../networking/device_drivers/atm/index.rst | 2 - > .../networking/device_drivers/atm/iphase.rst | 193 - > drivers/atm/Kconfig | 325 -- > drivers/net/Kconfig | 2 - > net/atm/Kconfig | 37 - > drivers/Makefile | 1 - > drivers/atm/Makefile | 32 - > net/atm/Makefile | 4 - > drivers/atm/eni.h | 136 - > drivers/atm/fore200e.h | 973 ----- > drivers/atm/he.h | 845 ---- > drivers/atm/idt77105.h | 92 - > drivers/atm/idt77252.h | 816 ---- > drivers/atm/idt77252_tables.h | 781 ---- > drivers/atm/iphase.h | 1452 ------- > drivers/atm/midway.h | 266 -- > drivers/atm/nicstar.h | 759 ---- > drivers/atm/suni.h | 242 -- > drivers/atm/tonga.h | 21 - > drivers/atm/zeprom.h | 35 - > net/atm/lec.h | 155 - > net/atm/lec_arpc.h | 97 - > net/atm/mpc.h | 65 - > net/atm/mpoa_caches.h | 99 - > net/bridge/br_private.h | 4 - > drivers/atm/adummy.c | 202 - > drivers/atm/atmtcp.c | 513 --- > drivers/atm/eni.c | 2321 ---------- > drivers/atm/fore200e.c | 3012 ------------- > drivers/atm/he.c | 2861 ------------- > drivers/atm/idt77105.c | 376 -- > drivers/atm/idt77252.c | 3797 ----------------- > drivers/atm/iphase.c | 3283 -------------- > drivers/atm/lanai.c | 2603 ----------- > drivers/atm/nicstar.c | 2759 ------------ > drivers/atm/nicstarmac.c | 244 -- > drivers/atm/solos-attrlist.c | 83 - > drivers/atm/solos-pci.c | 1496 ------- > drivers/atm/suni.c | 391 -- > net/atm/clip.c | 960 ----- > net/atm/lec.c | 2274 ---------- > net/atm/mpc.c | 1538 ------- > net/atm/mpoa_caches.c | 565 --- > net/atm/mpoa_proc.c | 307 -- > net/bridge/br.c | 7 - > net/bridge/br_fdb.c | 29 - > net/core/dev.c | 7 - > arch/arm/configs/ixp4xx_defconfig | 5 - > arch/mips/configs/gpr_defconfig | 13 - > arch/mips/configs/mtx1_defconfig | 13 - > arch/powerpc/configs/ppc6xx_defconfig | 9 - > drivers/atm/.gitignore | 5 - > drivers/atm/nicstarmac.copyright | 61 - > 56 files changed, 2 insertions(+), 37237 deletions(-) > delete mode 100644 Documentation/networking/device_drivers/atm/fore200e.rst > delete mode 100644 Documentation/networking/device_drivers/atm/iphase.rst > delete mode 100644 drivers/atm/Kconfig > delete mode 100644 drivers/atm/Makefile > delete mode 100644 drivers/atm/eni.h > delete mode 100644 drivers/atm/fore200e.h > delete mode 100644 drivers/atm/he.h > delete mode 100644 drivers/atm/idt77105.h > delete mode 100644 drivers/atm/idt77252.h > delete mode 100644 drivers/atm/idt77252_tables.h > delete mode 100644 drivers/atm/iphase.h > delete mode 100644 drivers/atm/midway.h > delete mode 100644 drivers/atm/nicstar.h > delete mode 100644 drivers/atm/suni.h > delete mode 100644 drivers/atm/tonga.h > delete mode 100644 drivers/atm/zeprom.h > delete mode 100644 net/atm/lec.h > delete mode 100644 net/atm/lec_arpc.h > delete mode 100644 net/atm/mpc.h > delete mode 100644 net/atm/mpoa_caches.h > delete mode 100644 drivers/atm/adummy.c > delete mode 100644 drivers/atm/atmtcp.c > delete mode 100644 drivers/atm/eni.c > delete mode 100644 drivers/atm/fore200e.c > delete mode 100644 drivers/atm/he.c > delete mode 100644 drivers/atm/idt77105.c > delete mode 100644 drivers/atm/idt77252.c > delete mode 100644 drivers/atm/iphase.c > delete mode 100644 drivers/atm/lanai.c > delete mode 100644 drivers/atm/nicstar.c > delete mode 100644 drivers/atm/nicstarmac.c > delete mode 100644 drivers/atm/solos-attrlist.c > delete mode 100644 drivers/atm/solos-pci.c > delete mode 100644 drivers/atm/suni.c > delete mode 100644 net/atm/clip.c > delete mode 100644 net/atm/lec.c > delete mode 100644 net/atm/mpc.c > delete mode 100644 net/atm/mpoa_caches.c > delete mode 100644 net/atm/mpoa_proc.c > delete mode 100644 drivers/atm/.gitignore > delete mode 100644 drivers/atm/nicstarmac.copyright > FWIW, Reviewed-by: Nikolay Aleksandrov <[email protected]>