[dpdk-dev] [PATCH v2 5/5] mlx5: add VLAN insertion offload
Bruce Richardson
bruce.richardson at intel.com
Fri Mar 11 16:24:43 CET 2016
On Thu, Mar 03, 2016 at 03:27:59PM +0100, Adrien Mazarguil wrote:
> From: Yaacov Hazan <yaacovh at mellanox.com>
>
> VLAN insertion is done in software by the PMD by default unless
> CONFIG_RTE_LIBRTE_MLX5_VERBS_VLAN_INSERTION is enabled and Verbs provides
> support for hardware insertion.
>
> When enabled, this option improves performance when VLAN insertion is
> requested, however ConnectX-4 Lx boards cannot take advantage of
> multi-packet send optimizations anymore.
>
> Signed-off-by: Yaacov Hazan <yaacovh at mellanox.com>
> Signed-off-by: Adrien Mazarguil <adrien.mazarguil at 6wind.com>
> ---
> config/common_linuxapp | 1 +
> doc/guides/nics/mlx5.rst | 9 +++
> doc/guides/rel_notes/release_16_04.rst | 6 ++
> drivers/net/mlx5/Makefile | 9 +++
> drivers/net/mlx5/mlx5_defs.h | 9 +++
> drivers/net/mlx5/mlx5_ethdev.c | 12 ++--
> drivers/net/mlx5/mlx5_rxtx.c | 109 +++++++++++++++++++++++++++------
> drivers/net/mlx5/mlx5_rxtx.h | 13 ++++
> drivers/net/mlx5/mlx5_txq.c | 15 ++++-
> 9 files changed, 158 insertions(+), 25 deletions(-)
>
> diff --git a/config/common_linuxapp b/config/common_linuxapp
> index 7b5e49f..793d262 100644
> --- a/config/common_linuxapp
> +++ b/config/common_linuxapp
> @@ -220,6 +220,7 @@ CONFIG_RTE_LIBRTE_MLX5_DEBUG=n
> CONFIG_RTE_LIBRTE_MLX5_SGE_WR_N=4
> CONFIG_RTE_LIBRTE_MLX5_MAX_INLINE=0
> CONFIG_RTE_LIBRTE_MLX5_TX_MP_CACHE=8
> +CONFIG_RTE_LIBRTE_MLX5_VERBS_VLAN_INSERTION=n
>
New build time configuration options are no longer allowed in DPDK, as they can't
be used in binary distributions and make testing harder. This should be made
a run-time option instead.
/Bruce
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