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mlxsw: spectrum_acl: Introduce new rehash context struct and save hint_priv there 

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

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2019-02-28 06:59:18 +00:00 committed by David S. Miller
parent 6ca219e7de
commit 559c276810
1 changed files with 12 additions and 4 deletions
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16
drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
View File

@ -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 @@ rollback:
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;
}