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From: Ido Schimmel <idosch@mellanox.com>
To: "netdev@vger.kernel.org" <netdev@vger.kernel.org>
Cc: "davem@davemloft.net" <davem@davemloft.net>,
	Jiri Pirko <jiri@mellanox.com>, mlxsw <mlxsw@mellanox.com>,
	Ido Schimmel <idosch@mellanox.com>
Subject: [PATCH net-next 09/14] mlxsw: spectrum_acl: Put this_is_rollback to rehash context struct
Date: Thu, 28 Feb 2019 06:59:23 +0000	[thread overview]
Message-ID: <20190228065850.7471-10-idosch@mellanox.com> (raw)
In-Reply-To: <20190228065850.7471-1-idosch@mellanox.com>

From: Jiri Pirko <jiri@mellanox.com>

Put the this_is_rollback flag into rehash context struct in preparations
for interrupt/continue of rehash work.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
---
 .../mellanox/mlxsw/spectrum_acl_tcam.c        | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
index 0bc04016c6d0..db80b20e4a13 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
@@ -182,6 +182,7 @@ struct mlxsw_sp_acl_tcam_vgroup {
 
 struct mlxsw_sp_acl_tcam_rehash_ctx {
 	void *hints_priv;
+	bool this_is_rollback;
 };
 
 struct mlxsw_sp_acl_tcam_vregion {
@@ -1195,7 +1196,7 @@ static int
 mlxsw_sp_acl_tcam_vchunk_migrate_one(struct mlxsw_sp *mlxsw_sp,
 				     struct mlxsw_sp_acl_tcam_vchunk *vchunk,
 				     struct mlxsw_sp_acl_tcam_region *region,
-				     bool this_is_rollback)
+				     struct mlxsw_sp_acl_tcam_rehash_ctx *ctx)
 {
 	struct mlxsw_sp_acl_tcam_chunk *new_chunk;
 	struct mlxsw_sp_acl_tcam_ventry *ventry;
@@ -1204,7 +1205,7 @@ mlxsw_sp_acl_tcam_vchunk_migrate_one(struct mlxsw_sp *mlxsw_sp,
 
 	new_chunk = mlxsw_sp_acl_tcam_chunk_create(mlxsw_sp, vchunk, region);
 	if (IS_ERR(new_chunk)) {
-		if (this_is_rollback)
+		if (ctx->this_is_rollback)
 			vchunk->vregion->failed_rollback = true;
 		return PTR_ERR(new_chunk);
 	}
@@ -1215,7 +1216,7 @@ mlxsw_sp_acl_tcam_vchunk_migrate_one(struct mlxsw_sp *mlxsw_sp,
 		err = mlxsw_sp_acl_tcam_ventry_migrate(mlxsw_sp, ventry,
 						       vchunk->chunk);
 		if (err) {
-			if (this_is_rollback) {
+			if (ctx->this_is_rollback) {
 				vchunk->vregion->failed_rollback = true;
 				return err;
 			}
@@ -1251,7 +1252,8 @@ mlxsw_sp_acl_tcam_vchunk_migrate_one(struct mlxsw_sp *mlxsw_sp,
 
 static int
 mlxsw_sp_acl_tcam_vchunk_migrate_all(struct mlxsw_sp *mlxsw_sp,
-				     struct mlxsw_sp_acl_tcam_vregion *vregion)
+				     struct mlxsw_sp_acl_tcam_vregion *vregion,
+				     struct mlxsw_sp_acl_tcam_rehash_ctx *ctx)
 {
 	struct mlxsw_sp_acl_tcam_vchunk *vchunk;
 	int err;
@@ -1259,7 +1261,7 @@ mlxsw_sp_acl_tcam_vchunk_migrate_all(struct mlxsw_sp *mlxsw_sp,
 	list_for_each_entry(vchunk, &vregion->vchunk_list, list) {
 		err = mlxsw_sp_acl_tcam_vchunk_migrate_one(mlxsw_sp, vchunk,
 							   vregion->region,
-							   false);
+							   ctx);
 		if (err)
 			goto rollback;
 	}
@@ -1270,10 +1272,12 @@ mlxsw_sp_acl_tcam_vchunk_migrate_all(struct mlxsw_sp *mlxsw_sp,
 	 * so the original region pointer is assigned again to vregion->region.
 	 */
 	swap(vregion->region, vregion->region2);
+	ctx->this_is_rollback = true;
 	list_for_each_entry_continue_reverse(vchunk, &vregion->vchunk_list,
 					     list) {
 		mlxsw_sp_acl_tcam_vchunk_migrate_one(mlxsw_sp, vchunk,
-						     vregion->region, true);
+						     vregion->region,
+						     ctx);
 	}
 	return err;
 }
@@ -1287,7 +1291,7 @@ mlxsw_sp_acl_tcam_vregion_migrate(struct mlxsw_sp *mlxsw_sp,
 
 	trace_mlxsw_sp_acl_tcam_vregion_migrate(mlxsw_sp, vregion);
 	mutex_lock(&vregion->lock);
-	err = mlxsw_sp_acl_tcam_vchunk_migrate_all(mlxsw_sp, vregion);
+	err = mlxsw_sp_acl_tcam_vchunk_migrate_all(mlxsw_sp, vregion, ctx);
 	mutex_unlock(&vregion->lock);
 	trace_mlxsw_sp_acl_tcam_vregion_migrate_end(mlxsw_sp, vregion);
 	return err;
@@ -1332,6 +1336,7 @@ mlxsw_sp_acl_tcam_vregion_rehash_start(struct mlxsw_sp *mlxsw_sp,
 		goto err_group_region_attach;
 
 	ctx->hints_priv = hints_priv;
+	ctx->this_is_rollback = false;
 
 	return 0;
 
-- 
2.20.1


  parent reply	other threads:[~2019-02-28  6:59 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-28  6:59 [PATCH net-next 00/14] mlxsw: spectrum_acl: Split rehash work into chunks Ido Schimmel
2019-02-28  6:59 ` [PATCH net-next 01/14] mlxsw: spectrum_acl: Push rehash dw struct into rehash sub-struct Ido Schimmel
2019-02-28  6:59 ` [PATCH net-next 02/14] mlxsw: spectrum_acl: Don't migrate already migrated entry Ido Schimmel
2019-02-28  6:59 ` [PATCH net-next 03/14] mlxsw: spectrum_acl: Introduce new rehash context struct and save hint_priv there Ido Schimmel
2019-02-28  6:59 ` [PATCH net-next 05/14] mlxsw: spectrum_acl: Push code start/end from mlxsw_sp_acl_tcam_vregion_migrate() Ido Schimmel
2019-02-28  6:59 ` [PATCH net-next 04/14] mlxsw: spectrum_acl: Push rehash start/end code into separate functions Ido Schimmel
2019-02-28  6:59 ` [PATCH net-next 06/14] mlxsw: spectrum_acl: assign vregion->region by the newly created region Ido Schimmel
2019-02-28  6:59 ` [PATCH net-next 07/14] mlxsw: spectrum_acl: assign vchunk->chunk by the newly created chunk Ido Schimmel
2019-02-28  6:59 ` [PATCH net-next 08/14] mlxsw: spectrum_acl: Rename variables in mlxsw_sp_acl_tcam_ventry_migrate() Ido Schimmel
2019-02-28  6:59 ` Ido Schimmel [this message]
2019-02-28  6:59 ` [PATCH net-next 11/14] mlxsw: spectrum_acl: Do rollback as another call to mlxsw_sp_acl_tcam_vchunk_migrate_all() Ido Schimmel
2019-02-28  6:59 ` [PATCH net-next 10/14] mlxsw: spectrum_acl: Put vchunk migrate start/end code into separate functions Ido Schimmel
2019-02-28  6:59 ` [PATCH net-next 12/14] mlxsw: spectrum_acl: Allow to interrupt/continue rehash work Ido Schimmel
2019-02-28  6:59 ` [PATCH net-next 13/14] mlxsw: spectrum_acl: Remember where to continue rehash migration Ido Schimmel
2019-02-28  6:59 ` [PATCH net-next 14/14] mlxsw: spectrum_acl: Make mlxsw_sp_acl_tcam_vregion_rehash() return void Ido Schimmel
2019-03-02  5:44 ` [PATCH net-next 00/14] mlxsw: spectrum_acl: Split rehash work into chunks David Miller

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