[PATCH net-next 03/14] mlxsw: spectrum_acl: Introduce new rehash context struct and save hint_priv there

[Ido Schimmel]

From: Jiri Pirko <j...@mellanox.com>

Prepare for continued migration. Introduce a new structure to track
rehash context and save hint_priv into it.

Signed-off-by: Jiri Pirko <j...@mellanox.com>
Signed-off-by: Ido Schimmel <ido...@mellanox.com>
---
 .../ethernet/mellanox/mlxsw/spectrum_acl_tcam.c  | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c 
b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
index 30131ea2e324..ae1101c17f2c 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
@@ -180,6 +180,10 @@ struct mlxsw_sp_acl_tcam_vgroup {
        bool vregion_rehash_enabled;
 };
 
+struct mlxsw_sp_acl_tcam_rehash_ctx {
+       void *hints_priv;
+};
+
 struct mlxsw_sp_acl_tcam_vregion {
        struct mutex lock; /* Protects consistency of region, region2 pointers
                            * and vchunk_list.
@@ -194,6 +198,7 @@ struct mlxsw_sp_acl_tcam_vregion {
        struct mlxsw_sp_acl_tcam_vgroup *vgroup;
        struct {
                struct delayed_work dw;
+               struct mlxsw_sp_acl_tcam_rehash_ctx ctx;
        } rehash;
        struct mlxsw_sp *mlxsw_sp;
        bool failed_rollback; /* Indicates failed rollback during migration */
@@ -1270,7 +1275,7 @@ mlxsw_sp_acl_tcam_vchunk_migrate_all(struct mlxsw_sp 
*mlxsw_sp,
 static int
 mlxsw_sp_acl_tcam_vregion_migrate(struct mlxsw_sp *mlxsw_sp,
                                  struct mlxsw_sp_acl_tcam_vregion *vregion,
-                                 void *hints_priv)
+                                 struct mlxsw_sp_acl_tcam_rehash_ctx *ctx)
 {
        unsigned int priority = mlxsw_sp_acl_tcam_vregion_prio(vregion);
        struct mlxsw_sp_acl_tcam_region *region2, *unused_region;
@@ -1279,7 +1284,7 @@ mlxsw_sp_acl_tcam_vregion_migrate(struct mlxsw_sp 
*mlxsw_sp,
        trace_mlxsw_sp_acl_tcam_vregion_migrate(mlxsw_sp, vregion);
 
        region2 = mlxsw_sp_acl_tcam_region_create(mlxsw_sp, vregion->tcam,
-                                                 vregion, hints_priv);
+                                                 vregion, ctx->hints_priv);
        if (IS_ERR(region2)) {
                err = PTR_ERR(region2);
                goto out;
@@ -1333,6 +1338,7 @@ mlxsw_sp_acl_tcam_vregion_rehash(struct mlxsw_sp 
*mlxsw_sp,
                                 struct mlxsw_sp_acl_tcam_vregion *vregion)
 {
        const struct mlxsw_sp_acl_tcam_ops *ops = mlxsw_sp->acl_tcam_ops;
+       struct mlxsw_sp_acl_tcam_rehash_ctx *ctx = &vregion->rehash.ctx;
        void *hints_priv;
        int err;
 
@@ -1347,8 +1353,9 @@ mlxsw_sp_acl_tcam_vregion_rehash(struct mlxsw_sp 
*mlxsw_sp,
                        dev_err(mlxsw_sp->bus_info->dev, "Failed get rehash 
hints\n");
                return err;
        }
+       ctx->hints_priv = hints_priv;
 
-       err = mlxsw_sp_acl_tcam_vregion_migrate(mlxsw_sp, vregion, hints_priv);
+       err = mlxsw_sp_acl_tcam_vregion_migrate(mlxsw_sp, vregion, ctx);
        if (err) {
                dev_err(mlxsw_sp->bus_info->dev, "Failed to migrate vregion\n");
                if (vregion->failed_rollback) {
@@ -1358,7 +1365,8 @@ mlxsw_sp_acl_tcam_vregion_rehash(struct mlxsw_sp 
*mlxsw_sp,
                }
        }
 
-       ops->region_rehash_hints_put(hints_priv);
+       ops->region_rehash_hints_put(ctx->hints_priv);
+       ctx->hints_priv = NULL;
        return err;
 }
 
-- 
2.20.1