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smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=fUNttYnM; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="fUNttYnM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E5B4DC19425; Wed, 22 Apr 2026 10:53:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776855216; bh=ft71bsoOUWGTJtW1ZFq6hY21ozdG2v4Dg7mr51X6pLE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=fUNttYnMtOBg3D7mM/O3lX1Z0FGZo8PMNwpzoutfIDAn1mbNGCjRXJSl+TuSgdOyK voHy0YijRIzCz++rwem8APKKdDeE8s793e91t43vmEdEhOj0EZnTwM105OAHoRQShU auQ8TY+v1/K0im0i8CavgL8HaGtVtSHk+65Nw59rZpq7leNkAfWR+T89MjKp8I6Yg7 H0c1EwBiPYCgS2l4XJCJd1rF2F8DnoAnXtVcfcUCgQYfVXUUGhb+CzGEorgrtJKHoc oAbdruxMz7gX4PABqsOKDE7h6be9BAug9JX4rJ2h/Sezp7wUDXbKZEZGrQEzonePmc K3P9S60/wfmjg== Date: Wed, 22 Apr 2026 11:53:24 +0100 From: Simon Horman To: Jakub Kicinski Cc: davem@davemloft.net, netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com, andrew+netdev@lunn.ch, corbet@lwn.net, skhan@linuxfoundation.org, linux@armlinux.org.uk, tsbogend@alpha.franken.de, maddy@linux.ibm.com, mpe@ellerman.id.au, npiggin@gmail.com, chleroy@kernel.org, 3chas3@gmail.com, razor@blackwall.org, idosch@nvidia.com, jani.nikula@intel.com, mchehab+huawei@kernel.org, tytso@mit.edu, herbert@gondor.apana.org.au, geert@linux-m68k.org, ebiggers@kernel.org, johannes.berg@intel.com, jonathan.cameron@huawei.com, kees@kernel.org, kuniyu@google.com, fourier.thomas@gmail.com, andriy.shevchenko@intel.com, rdunlap@infradead.org, akpm@linux-foundation.org, linux-doc@vger.kernel.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, bridge@lists.linux.dev, dwmw2@infradead.org Subject: Re: [PATCH net-deletions v2] net: remove unused ATM protocols and legacy ATM device drivers Message-ID: <20260422105324.GM651125@horms.kernel.org> References: <20260422041846.2035118-1-kuba@kernel.org> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260422041846.2035118-1-kuba@kernel.org> On Tue, Apr 21, 2026 at 09:18:44PM -0700, 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 > --- > 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/20260421021943.1295109-1-kuba@kernel.org Reviewed-by: Simon Horman