mlx5: Introduce new destination type TABLE_TYPE

This new destination type supports flow transition between different
table types, e.g. from NIC_RX to RDMA_RX or from RDMA_TX to NIC_TX.

In addition add driver support to be able to query the capability for
this new destination type.

Signed-off-by: Patrisious Haddad <phaddad@nvidia.com>
Sponsored by:	NVidia networking
MFC after:	1 week

1 files changed, 43 insertions, 0 deletions

diff --git a/sys/dev/mlx5/mlx5_core/mlx5_main.c b/sys/dev/mlx5/mlx5_core/mlx5_main.c
index df38a41a8be0..efaf726e19e5 100644
--- a/sys/dev/mlx5/mlx5_core/mlx5_main.c
+++ b/sys/dev/mlx5/mlx5_core/mlx5_main.c
@@ -559,6 +559,43 @@ static int handle_hca_cap_atomic(struct mlx5_core_dev *dev)
 	return err;
 }
 
+static int handle_hca_cap_2(struct mlx5_core_dev *dev)
+{
+	void *set_ctx;
+	void *set_hca_cap;
+	int set_sz = MLX5_ST_SZ_BYTES(set_hca_cap_in);
+	int err;
+
+	if (MLX5_CAP_GEN_MAX(dev, hca_cap_2)) {
+		err = mlx5_core_get_caps(dev, MLX5_CAP_GENERAL_2);
+		if (err)
+			return err;
+	} else {
+		return 0;
+	}
+
+	/* To be added if sw_vhca support was added */
+	/*if (!MLX5_CAP_GEN_2_MAX(dev, sw_vhca_id_valid) ||
+	    !(dev->priv.sw_vhca_id > 0))
+		return 0;*/
+
+	set_ctx = kzalloc(set_sz, GFP_KERNEL);
+	if (!set_ctx)
+		return -ENOMEM;
+
+	MLX5_SET(set_hca_cap_in, set_ctx, op_mod,
+		 MLX5_CAP_GENERAL_2 << 1);
+	set_hca_cap = MLX5_ADDR_OF(set_hca_cap_in, set_ctx, capability);
+	memcpy(set_hca_cap, dev->hca_caps_cur[MLX5_CAP_GENERAL_2],
+	       MLX5_ST_SZ_BYTES(cmd_hca_cap_2));
+	//MLX5_SET(cmd_hca_cap_2, set_hca_cap, sw_vhca_id_valid, 1);
+
+	err = set_caps(dev, set_ctx, set_sz);
+
+	kfree(set_ctx);
+	return err;
+}
+
 static int set_hca_ctrl(struct mlx5_core_dev *dev)
 {
 	struct mlx5_reg_host_endianess he_in;
@@ -1139,6 +1176,12 @@ static int mlx5_load_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv,
 		goto reclaim_boot_pages;
 	}
 
+	err = handle_hca_cap_2(dev);
+	if (err) {
+		mlx5_core_err(dev, "handle_hca_cap_2 failed\n");
+		goto reclaim_boot_pages;
+	}
+
 	err = mlx5_satisfy_startup_pages(dev, 0);
 	if (err) {
 		mlx5_core_err(dev, "failed to allocate init pages\n");