net/mlx5: Store devcom pointer inside IPsec RoCE

Store the mlx5e priv devcom component within IPsec RoCE to enable
the IPsec RoCE code to access the other device's private information.
This includes retrieving the necessary device information and
the IPsec database, which helps determine if IPsec is configured or not.

Signed-off-by: Patrisious Haddad <phaddad@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Link: https://lore.kernel.org/r/5bb3160ceeb07523542302886da54c78eef0d2af.1695296682.git.leon@kernel.org
Signed-off-by: Leon Romanovsky <leon@kernel.org>

Author: PatrisiousHaddad

drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c

@@ -870,7 +870,7 @@ void mlx5e_ipsec_init(struct mlx5e_priv *priv)
 	}
 
 	ipsec->is_uplink_rep = mlx5e_is_uplink_rep(priv);
-	ret = mlx5e_accel_ipsec_fs_init(ipsec);
+	ret = mlx5e_accel_ipsec_fs_init(ipsec, &priv->devcom);
 	if (ret)
 		goto err_fs_init;
 

drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h

@@ -38,6 +38,7 @@
 #include <net/xfrm.h>
 #include <linux/idr.h>
 #include "lib/aso.h"
+#include "lib/devcom.h"
 
 #define MLX5E_IPSEC_SADB_RX_BITS 10
 #define MLX5E_IPSEC_ESN_SCOPE_MID 0x80000000L
@@ -304,7 +305,7 @@ void mlx5e_ipsec_cleanup(struct mlx5e_priv *priv);
 void mlx5e_ipsec_build_netdev(struct mlx5e_priv *priv);
 
 void mlx5e_accel_ipsec_fs_cleanup(struct mlx5e_ipsec *ipsec);
-int mlx5e_accel_ipsec_fs_init(struct mlx5e_ipsec *ipsec);
+int mlx5e_accel_ipsec_fs_init(struct mlx5e_ipsec *ipsec, struct mlx5_devcom_comp_dev **devcom);
 int mlx5e_accel_ipsec_fs_add_rule(struct mlx5e_ipsec_sa_entry *sa_entry);
 void mlx5e_accel_ipsec_fs_del_rule(struct mlx5e_ipsec_sa_entry *sa_entry);
 int mlx5e_accel_ipsec_fs_add_pol(struct mlx5e_ipsec_pol_entry *pol_entry);

drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c

@@ -1888,7 +1888,8 @@ void mlx5e_accel_ipsec_fs_cleanup(struct mlx5e_ipsec *ipsec)
 	}
 }
 
-int mlx5e_accel_ipsec_fs_init(struct mlx5e_ipsec *ipsec)
+int mlx5e_accel_ipsec_fs_init(struct mlx5e_ipsec *ipsec,
+			      struct mlx5_devcom_comp_dev **devcom)
 {
 	struct mlx5_core_dev *mdev = ipsec->mdev;
 	struct mlx5_flow_namespace *ns, *ns_esw;
@@ -1940,7 +1941,7 @@ int mlx5e_accel_ipsec_fs_init(struct mlx5e_ipsec *ipsec)
 		ipsec->tx_esw->ns = ns_esw;
 		xa_init_flags(&ipsec->rx_esw->ipsec_obj_id_map, XA_FLAGS_ALLOC1);
 	} else if (mlx5_ipsec_device_caps(mdev) & MLX5_IPSEC_CAP_ROCE) {
-		ipsec->roce = mlx5_ipsec_fs_roce_init(mdev);
+		ipsec->roce = mlx5_ipsec_fs_roce_init(mdev, devcom);
 	}
 
 	return 0;

drivers/net/ethernet/mellanox/mlx5/core/lib/ipsec_fs_roce.c

@@ -31,6 +31,7 @@ struct mlx5_ipsec_fs {
 	struct mlx5_ipsec_rx_roce ipv4_rx;
 	struct mlx5_ipsec_rx_roce ipv6_rx;
 	struct mlx5_ipsec_tx_roce tx;
+	struct mlx5_devcom_comp_dev **devcom;
 };
 
 static void ipsec_fs_roce_setup_udp_dport(struct mlx5_flow_spec *spec,
@@ -337,7 +338,8 @@ void mlx5_ipsec_fs_roce_cleanup(struct mlx5_ipsec_fs *ipsec_roce)
 	kfree(ipsec_roce);
 }
 
-struct mlx5_ipsec_fs *mlx5_ipsec_fs_roce_init(struct mlx5_core_dev *mdev)
+struct mlx5_ipsec_fs *mlx5_ipsec_fs_roce_init(struct mlx5_core_dev *mdev,
+					      struct mlx5_devcom_comp_dev **devcom)
 {
 	struct mlx5_ipsec_fs *roce_ipsec;
 	struct mlx5_flow_namespace *ns;
@@ -363,6 +365,8 @@ struct mlx5_ipsec_fs *mlx5_ipsec_fs_roce_init(struct mlx5_core_dev *mdev)
 
 	roce_ipsec->tx.ns = ns;
 
+	roce_ipsec->devcom = devcom;
+
 	return roce_ipsec;
 
 err_tx:

drivers/net/ethernet/mellanox/mlx5/core/lib/ipsec_fs_roce.h

@@ -4,6 +4,8 @@
 #ifndef __MLX5_LIB_IPSEC_H__
 #define __MLX5_LIB_IPSEC_H__
 
+#include "lib/devcom.h"
+
 struct mlx5_ipsec_fs;
 
 struct mlx5_flow_table *
@@ -20,6 +22,7 @@ int mlx5_ipsec_fs_roce_tx_create(struct mlx5_core_dev *mdev,
 				 struct mlx5_ipsec_fs *ipsec_roce,
 				 struct mlx5_flow_table *pol_ft);
 void mlx5_ipsec_fs_roce_cleanup(struct mlx5_ipsec_fs *ipsec_roce);
-struct mlx5_ipsec_fs *mlx5_ipsec_fs_roce_init(struct mlx5_core_dev *mdev);
+struct mlx5_ipsec_fs *mlx5_ipsec_fs_roce_init(struct mlx5_core_dev *mdev,
+					      struct mlx5_devcom_comp_dev **devcom);
 
 #endif /* __MLX5_LIB_IPSEC_H__ */