netdev - [PATCH net-next v3 12/12] net: homa: create Makefile and Kconfig

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Message-ID: <20241209175131.3839-14-ouster@cs.stanford.edu>
Date: Mon,  9 Dec 2024 09:51:30 -0800
From: John Ousterhout <ouster@...stanford.edu>
To: netdev@...r.kernel.org
Cc: John Ousterhout <ouster@...stanford.edu>
Subject: [PATCH net-next v3 12/12] net: homa: create Makefile and Kconfig

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 <ouster@...stanford.edu>
---
 MAINTAINERS       |  7 +++++++
 net/Kconfig       |  1 +
 net/Makefile      |  1 +
 net/homa/Kconfig  | 19 +++++++++++++++++++
 net/homa/Makefile | 14 ++++++++++++++
 5 files changed, 42 insertions(+)
 create mode 100644 net/homa/Kconfig
 create mode 100644 net/homa/Makefile

diff --git a/MAINTAINERS b/MAINTAINERS
index 1389704c7d8d..935d1e995018 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10391,6 +10391,13 @@ F:	lib/test_hmm*
 F:	mm/hmm*
 F:	tools/testing/selftests/mm/*hmm*
 
+HOMA TRANSPORT PROTOCOL
+M:	John Ousterhout <ouster@...stanford.edu>
+S:	Maintained
+W:	https://homa-transport.atlassian.net/wiki/spaces/HOMA/overview
+F:	include/uapi/linux/homa.h
+F:	net/homa/
+
 HONEYWELL HSC030PA PRESSURE SENSOR SERIES IIO DRIVER
 M:	Petre Rodan <petre.rodan@...dimension.ro>
 L:	linux-iio@...r.kernel.org
diff --git a/net/Kconfig b/net/Kconfig
index a629f92dc86b..ca8551c1a226 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -244,6 +244,7 @@ endif
 
 source "net/dccp/Kconfig"
 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 65bb8c72a35e..18fa3c323187 100644
--- a/net/Makefile
+++ b/net/Makefile
@@ -44,6 +44,7 @@ obj-y				+= 8021q/
 endif
 obj-$(CONFIG_IP_DCCP)		+= dccp/
 obj-$(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..3e623906612f
--- /dev/null
+++ b/net/homa/Kconfig
@@ -0,0 +1,19 @@
+# SPDX-License-Identifier: BSD-2-Clause
+#
+# 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. 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..3eb192a6ffa6
--- /dev/null
+++ b/net/homa/Makefile
@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: BSD-2-Clause
+#
+# Makefile for the Linux implementation of the Homa transport protocol.
+
+obj-$(CONFIG_HOMA) := homa.o
+homa-y:=        homa_incoming.o \
+		homa_outgoing.o \
+		homa_peer.o \
+		homa_pool.o \
+		homa_plumbing.o \
+		homa_rpc.o \
+		homa_sock.o \
+		homa_timer.o \
+		homa_utils.o
-- 
2.34.1