linux-kernel - [PATCH 2/3] infiniband: rxe: add UDP

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Message-Id: <1465822509-4167617-2-git-send-email-arnd@arndb.de>
Date:	Mon, 13 Jun 2016 14:54:54 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Leon Romanovsky <leon@...nel.org>
Cc:	netdev@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
	Moni Shoua <monis@...lanox.com>,
	Doug Ledford <dledford@...hat.com>,
	Sean Hefty <sean.hefty@...el.com>,
	Hal Rosenstock <hal.rosenstock@...il.com>,
	Amir Vadai <amirv@...lanox.com>,
	Haggai Eran <haggaie@...lanox.com>,
	Kamal Heib <kamalh@...lanox.com>, linux-rdma@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] infiniband: rxe: add UDP_TUNNEL dependency

The newly added rxe driver links against the UDP tunneling code,
which causes build errors when CONFIG_UDP_TUNNEL is disabled:

ERROR: "setup_udp_tunnel_sock" [drivers/infiniband/hw/rxe/ib_rxe.ko] undefined!
ERROR: "udp_tunnel_sock_release" [drivers/infiniband/hw/rxe/ib_rxe.ko] undefined!
ERROR: "udp_sock_create4" [drivers/infiniband/hw/rxe/ib_rxe.ko] undefined!

This adds a Kconfig dependency to prevent the invalid configuration.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/infiniband/hw/rxe/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/infiniband/hw/rxe/Kconfig b/drivers/infiniband/hw/rxe/Kconfig
index 649b7be11eb8..a199d0df31d0 100644
--- a/drivers/infiniband/hw/rxe/Kconfig
+++ b/drivers/infiniband/hw/rxe/Kconfig
@@ -1,6 +1,7 @@
 config INFINIBAND_RXE
 	tristate "Software RDMA over Ethernet (RoCE) driver"
 	depends on INET && PCI && INFINIBAND
+	depends on NET_UDP_TUNNEL
 	---help---
 	This driver implements the InfiniBand RDMA transport over
 	the Linux network stack. It enables a system with a
-- 
2.7.0