netdev - [RFC v1 for accelerated IPoIB 12/25] net/mlx5e: Use underlay

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Date:   Mon, 13 Mar 2017 20:31:23 +0200
From:   Erez Shitrit <erezsh@...lanox.com>
To:     dledford@...hat.com
Cc:     linux-rdma@...r.kernel.org, netdev@...r.kernel.org,
        valex@...lanox.com, leonro@...lanox.com, saedm@...lanox.com,
        erezsh@....mellanox.co.il, Erez Shitrit <erezsh@...lanox.com>
Subject: [RFC v1 for accelerated IPoIB 12/25] net/mlx5e: Use underlay_qpn in tis creation


Enable IB link to use the same code, by default the underlay_qp is zero
for ETH link.

Signed-off-by: Erez Shitrit <erezsh@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en.h      | 2 ++
 drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 1 +
 2 files changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index e5c8badc38c7..84db4761f09c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -222,6 +222,7 @@ struct mlx5e_params {
 	bool rx_am_enabled;
 	u32 lro_timeout;
 	u32 pflags;
+	u32 underlay_qpn;
 };
 
 #ifdef CONFIG_MLX5_CORE_EN_DCB
@@ -718,6 +719,7 @@ struct mlx5e_priv {
 
 	const struct mlx5e_profile *profile;
 	void                      *ppriv;
+	u32                       underlay_qpn;
 };
 
 void mlx5e_build_ptys2ethtool_map(void);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 0eb16ada0ae6..87881f9ddf35 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -2453,6 +2453,7 @@ static int mlx5e_create_tis(struct mlx5e_priv *priv, int tc)
 
 	MLX5_SET(tisc, tisc, prio, tc << 1);
 	MLX5_SET(tisc, tisc, transport_domain, mdev->mlx5e_res.td.tdn);
+	MLX5_SET(tisc, tisc, underlay_qpn, priv->underlay_qpn);
 
 	if (mlx5_lag_is_lacp_owner(mdev))
 		MLX5_SET(tisc, tisc, strict_lag_tx_port_affinity, 1);
-- 
1.8.3.1