linux-kernel - Re: [PATCH] bnxt_en: add VXLAN dependency

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Date:	Wed, 4 Nov 2015 08:07:53 -0800
From:	Michael Chan <mchan@...adcom.com>
To:	Arnd Bergmann <arnd@...db.de>
CC:	<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <davem@...emloft.net>,
	Eddie Wai <eddie.wai@...adcom.com>,
	Jeffrey Huang <huangjw@...adcom.com>,
	"Prashant Sreedharan" <prashant@...adcom.com>
Subject: Re: [PATCH] bnxt_en: add VXLAN dependency

On Wed, 2015-11-04 at 16:00 +0100, Arnd Bergmann wrote: 
> VXLAN may be a loadable module, and this driver cannot be built-in
> in that case, or we get a link error:
> 
> drivers/built-in.o: In function `__bnxt_open_nic':
> drivers/net/ethernet/broadcom/bnxt/bnxt.c:4581: undefined reference to `vxlan_get_rx_port'
> 
> This adds a Kconfig dependency that ensures that either VXLAN is
> disabled (which the driver handles correctly), or we depend on
> VXLAN itself and disallow built-in compilation when VXLAN is
> a module.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Thanks.
Acked-by: Michael Chan <mchan@...adcom.com>

> Fixes: c0c050c58d84 ("bnxt_en: New Broadcom ethernet driver.")
> 
> diff --git a/drivers/net/ethernet/broadcom/Kconfig b/drivers/net/ethernet/broadcom/Kconfig
> index 67a7d520d9f5..8550df189ceb 100644
> --- a/drivers/net/ethernet/broadcom/Kconfig
> +++ b/drivers/net/ethernet/broadcom/Kconfig
> @@ -173,6 +173,7 @@ config SYSTEMPORT
>  config BNXT
>  	tristate "Broadcom NetXtreme-C/E support"
>  	depends on PCI
> +	depends on VXLAN || VXLAN=n
>  	select FW_LOADER
>  	select LIBCRC32C
>  	---help---
> 


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