[dpdk-stable] [PATCH] net/mlx5: fix compilation issues on old kernels

[Shahaf Shuler]

Sunday, July 15, 2018 8:32 PM, Mordechay Haimovsky:
> Subject: [PATCH] net/mlx5: fix compilation issues on old kernels
> 
> This commit fixes compilation errors due to missing definitions found when
> compiling mlx5 PMD from DPDK 17.11-LTS on Ubuntu 12.4 with kernel 3.15.
> 
> Fixes: 75ef62a94301 ("net/mlx5: fix link speed capability information")
> Fixes: 5bfc9fc112dd ("net/mlx5: use static assert for compile-time sanity
> checks")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Moti Haimovsky <motih at mellanox.com>

Acked-by: Shahaf Shuler <shahafs at mellanox.com>

Applied to next-net-mlx, thanks.

> ---
>  drivers/net/mlx5/Makefile      | 45
> ++++++++++++++++++++++++++++++++++++++++++
>  drivers/net/mlx5/mlx5_defs.h   |  5 +++++
>  drivers/net/mlx5/mlx5_ethdev.c | 26 ++++++++++++++++++++++++
>  3 files changed, 76 insertions(+)
> 
> diff --git a/drivers/net/mlx5/Makefile b/drivers/net/mlx5/Makefile index
> d86c6bb..156c130 100644
> --- a/drivers/net/mlx5/Makefile
> +++ b/drivers/net/mlx5/Makefile
> @@ -197,6 +197,51 @@ mlx5_autoconf.h.new: $(RTE_SDK)/buildtools/auto-
> config-h.sh
>  		linux/if_link.h \
>  		enum IFLA_PHYS_PORT_NAME \
>  		$(AUTOCONF_OUTPUT)
> +	$Q sh -- '$<' '$@' \
> +		HAVE_SUPPORTED_40000baseKR4_Full \
> +		/usr/include/linux/ethtool.h \
> +		define SUPPORTED_40000baseKR4_Full \
> +		$(AUTOCONF_OUTPUT)
> +	$Q sh -- '$<' '$@' \
> +		HAVE_SUPPORTED_40000baseCR4_Full \
> +		/usr/include/linux/ethtool.h \
> +		define SUPPORTED_40000baseCR4_Full \
> +		$(AUTOCONF_OUTPUT)
> +	$Q sh -- '$<' '$@' \
> +		HAVE_SUPPORTED_40000baseSR4_Full \
> +		/usr/include/linux/ethtool.h \
> +		define SUPPORTED_40000baseSR4_Full \
> +		$(AUTOCONF_OUTPUT)
> +	$Q sh -- '$<' '$@' \
> +		HAVE_SUPPORTED_40000baseLR4_Full \
> +		/usr/include/linux/ethtool.h \
> +		define SUPPORTED_40000baseLR4_Full \
> +		$(AUTOCONF_OUTPUT)
> +	$Q sh -- '$<' '$@' \
> +		HAVE_SUPPORTED_56000baseKR4_Full \
> +		/usr/include/linux/ethtool.h \
> +		define SUPPORTED_56000baseKR4_Full \
> +		$(AUTOCONF_OUTPUT)
> +	$Q sh -- '$<' '$@' \
> +		HAVE_SUPPORTED_56000baseCR4_Full \
> +		/usr/include/linux/ethtool.h \
> +		define SUPPORTED_56000baseCR4_Full \
> +		$(AUTOCONF_OUTPUT)
> +	$Q sh -- '$<' '$@' \
> +		HAVE_SUPPORTED_56000baseSR4_Full \
> +		/usr/include/linux/ethtool.h \
> +		define SUPPORTED_56000baseSR4_Full \
> +		$(AUTOCONF_OUTPUT)
> +	$Q sh -- '$<' '$@' \
> +		HAVE_SUPPORTED_56000baseLR4_Full \
> +		/usr/include/linux/ethtool.h \
> +		define SUPPORTED_56000baseLR4_Full \
> +		$(AUTOCONF_OUTPUT)
> +	$Q sh -- '$<' '$@' \
> +		HAVE_STATIC_ASSERT \
> +		/usr/include/assert.h \
> +		define static_assert \
> +		$(AUTOCONF_OUTPUT)
> 
>  # Create mlx5_autoconf.h or update it in case it differs from the new one.
> 
> diff --git a/drivers/net/mlx5/mlx5_defs.h b/drivers/net/mlx5/mlx5_defs.h
> index f6ec415..439cc15 100644
> --- a/drivers/net/mlx5/mlx5_defs.h
> +++ b/drivers/net/mlx5/mlx5_defs.h
> @@ -128,4 +128,9 @@
>  /* Cache size of mempool for Multi-Packet RQ. */  #define
> MLX5_MPRQ_MP_CACHE_SZ 32
> 
> +/* Definition of static_assert found in /usr/include/assert.h */
> +#ifndef HAVE_STATIC_ASSERT #define static_assert _Static_assert #endif
> +
>  #endif /* RTE_PMD_MLX5_DEFS_H_ */
> diff --git a/drivers/net/mlx5/mlx5_ethdev.c
> b/drivers/net/mlx5/mlx5_ethdev.c index 6e44d5f..4b2231f 100644
> --- a/drivers/net/mlx5/mlx5_ethdev.c
> +++ b/drivers/net/mlx5/mlx5_ethdev.c
> @@ -42,6 +42,32 @@
>  #include "mlx5_rxtx.h"
>  #include "mlx5_utils.h"
> 
> +/* Supported speed values found in /usr/include/linux/ethtool.h */
> +#ifndef HAVE_SUPPORTED_40000baseKR4_Full #define
> +SUPPORTED_40000baseKR4_Full (1 << 23) #endif #ifndef
> +HAVE_SUPPORTED_40000baseCR4_Full #define
> SUPPORTED_40000baseCR4_Full (1
> +<< 24) #endif #ifndef HAVE_SUPPORTED_40000baseSR4_Full #define
> +SUPPORTED_40000baseSR4_Full (1 << 25) #endif #ifndef
> +HAVE_SUPPORTED_40000baseLR4_Full #define
> SUPPORTED_40000baseLR4_Full (1
> +<< 26) #endif #ifndef HAVE_SUPPORTED_56000baseKR4_Full #define
> +SUPPORTED_56000baseKR4_Full (1 << 27) #endif #ifndef
> +HAVE_SUPPORTED_56000baseCR4_Full #define
> SUPPORTED_56000baseCR4_Full (1
> +<< 28) #endif #ifndef HAVE_SUPPORTED_56000baseSR4_Full #define
> +SUPPORTED_56000baseSR4_Full (1 << 29) #endif #ifndef
> +HAVE_SUPPORTED_56000baseLR4_Full #define
> SUPPORTED_56000baseLR4_Full (1
> +<< 30) #endif
> +
>  /* Add defines in case the running kernel is not the same as user headers. */
> #ifndef ETHTOOL_GLINKSETTINGS  struct ethtool_link_settings {
> --
> 1.8.3.1