From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp1.cs.Stanford.EDU (smtp1.cs.stanford.edu [171.64.64.25]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 165E92264B1 for ; Mon, 18 Aug 2025 20:56:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=171.64.64.25 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755550607; cv=none; b=DDR3gNfc65WVYiyAHx/IGshYt5X9V4AesYGAIWa37aEVe9y+dZ27zoXEfkh7XHoXcMDN4VC6q6KSqBjhVNQYnhQL5W0crKxCCPu7xMQ57AIu7xFjs8ZRlNTn5s/B3M8aOLM5+fhDu4wdbj1ybZdi+kv18XyCs4fp0EITF7q15sU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755550607; c=relaxed/simple; bh=9T8NaKp5IgvrhWNBJJWW+UsmAN0pYRNbu6JuIUOuzfk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hnX2qZsMOFY9BkNFBaIeySSJxqhou2KBp4PuLBiZ2LYKTwuLxh9rfpT/3MYQ0zypNDciAhd6OzdYd1YKeX20A3L00esFfA5IjVGqD6Y0bNZ+pQbYZ16NQ2N1QiaqRLy6BKk8yOucvK9RJeHSQc8m4fGuWmYJ+yWN2yxeUwIgnFc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=cs.stanford.edu; spf=pass smtp.mailfrom=cs.stanford.edu; dkim=pass (2048-bit key) header.d=cs.stanford.edu header.i=@cs.stanford.edu header.b=LdEADufB; arc=none smtp.client-ip=171.64.64.25 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=cs.stanford.edu Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=cs.stanford.edu Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=cs.stanford.edu header.i=@cs.stanford.edu header.b="LdEADufB" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=cs.stanford.edu; s=cs2308; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=gFrsyWyv4B8J7Sfk6cTS2+pDSkqj6pzyXlkOqq/noIg=; t=1755550606; x=1756414606; b=LdEADufBBT9e+TuxiC1Ht19SK7UvcbdTHMfcMPQ1G5GJnKFS1EFC9rmFkXmjJQ2//P3LRR9hXUK 37VcPRhRk9IBRAb7IlooqV3gQnrQcxtmfa8X41BseH1+UGlwSiltHY8odToD4gQCsEZJYR99RY1y2 Gx+QKZqpzcEYNTlpJoInhhwDyKNq+j4JZjGFpsj0KdMJig8iFBkoLe6ViSU+TOZgPhbZIaC05QYMS TB4pgxAqKEn7IRT5jc5P6Ig64Np7Hz82gqEvJO6Q1LY0UbNN0mD87NyFK7jcZQofM3nv/QJv9x570 ajAAQdJqpI56WnThIO6qIwX1N4cX5dI+J4LA==; Received: from ouster448.stanford.edu ([172.24.72.71]:50368 helo=localhost.localdomain) by smtp1.cs.Stanford.EDU with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1uo6uL-0001f9-19; Mon, 18 Aug 2025 13:56:45 -0700 From: John Ousterhout To: netdev@vger.kernel.org Cc: pabeni@redhat.com, edumazet@google.com, horms@kernel.org, kuba@kernel.org, John Ousterhout Subject: [PATCH net-next v15 15/15] net: homa: create Makefile and Kconfig Date: Mon, 18 Aug 2025 13:55:50 -0700 Message-ID: <20250818205551.2082-16-ouster@cs.stanford.edu> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20250818205551.2082-1-ouster@cs.stanford.edu> References: <20250818205551.2082-1-ouster@cs.stanford.edu> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Score: -101.0 X-Scan-Signature: 50c535147b6e7155177bcd7d65214eb3 Before this commit the Homa code is "inert": it won't be compiled in kernel builds. This commit adds Homa's Makefile and Kconfig, and also links Homa into net/Makefile and net/Kconfig, so that Homa will be built during kernel builds if enabled (it is disabled by default). Signed-off-by: John Ousterhout --- net/Kconfig | 1 + net/Makefile | 1 + net/homa/Kconfig | 21 +++++++++++++++++++++ net/homa/Makefile | 16 ++++++++++++++++ 4 files changed, 39 insertions(+) create mode 100644 net/homa/Kconfig create mode 100644 net/homa/Makefile diff --git a/net/Kconfig b/net/Kconfig index d5865cf19799..92972ff2a78d 100644 --- a/net/Kconfig +++ b/net/Kconfig @@ -250,6 +250,7 @@ source "net/bridge/netfilter/Kconfig" endif # if NETFILTER source "net/sctp/Kconfig" +source "net/homa/Kconfig" source "net/rds/Kconfig" source "net/tipc/Kconfig" source "net/atm/Kconfig" diff --git a/net/Makefile b/net/Makefile index aac960c41db6..71f740e0dc34 100644 --- a/net/Makefile +++ b/net/Makefile @@ -43,6 +43,7 @@ ifneq ($(CONFIG_VLAN_8021Q),) obj-y += 8021q/ endif obj-$(CONFIG_IP_SCTP) += sctp/ +obj-$(CONFIG_HOMA) += homa/ obj-$(CONFIG_RDS) += rds/ obj-$(CONFIG_WIRELESS) += wireless/ obj-$(CONFIG_MAC80211) += mac80211/ diff --git a/net/homa/Kconfig b/net/homa/Kconfig new file mode 100644 index 000000000000..16fec3fd52ba --- /dev/null +++ b/net/homa/Kconfig @@ -0,0 +1,21 @@ +# SPDX-License-Identifier: BSD-2-Clause or GPL-2.0+ +# +# Homa transport protocol +# + +menuconfig HOMA + tristate "The Homa transport protocol" + depends on INET + depends on IPV6 + + help + Homa is a network transport protocol for communication within + a datacenter. It provides significantly lower latency than TCP, + particularly for workloads containing a mixture of large and small + messages operating at high network utilization. At present, Homa + has been only partially upstreamed; this version provides bare-bones + functionality but is not performant. For more information see the + homa(7) man page or checkout the Homa Wiki at + https://homa-transport.atlassian.net/wiki/spaces/HOMA/overview. + + If unsure, say N. diff --git a/net/homa/Makefile b/net/homa/Makefile new file mode 100644 index 000000000000..a7ebccd4b56c --- /dev/null +++ b/net/homa/Makefile @@ -0,0 +1,16 @@ +# SPDX-License-Identifier: BSD-2-Clause or GPL-2.0+ +# +# Makefile for the Linux implementation of the Homa transport protocol. + +obj-$(CONFIG_HOMA) := homa.o +homa-y:= homa_incoming.o \ + homa_interest.o \ + homa_outgoing.o \ + homa_pacer.o \ + homa_peer.o \ + homa_plumbing.o \ + homa_pool.o \ + homa_rpc.o \ + homa_sock.o \ + homa_timer.o \ + homa_utils.o -- 2.43.0