Commit 9a37a59f authored by Nogah Frankel's avatar Nogah Frankel Committed by David S. Miller

mlxsw: spectrum: qdiscs: Create a generic destroy function

Add a destroy function to the qdiscs ops struct.
Create a generic qdisc destroy function, that clears the qdisc metadata as
well as calling the specific qdisc destroy function.
Signed-off-by: default avatarNogah Frankel <nogahf@mellanox.com>
Reviewed-by: default avatarYuval Mintz <yuvalm@mellanox.com>
Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 562ffbc4
......@@ -47,6 +47,8 @@ enum mlxsw_sp_qdisc_type {
};
struct mlxsw_sp_qdisc_ops {
int (*destroy)(struct mlxsw_sp_port *mlxsw_sp_port,
struct mlxsw_sp_qdisc *mlxsw_sp_qdisc);
int (*get_stats)(struct mlxsw_sp_port *mlxsw_sp_port,
struct mlxsw_sp_qdisc *mlxsw_sp_qdisc,
struct tc_qopt_offload_stats *stats_ptr);
......@@ -80,6 +82,25 @@ mlxsw_sp_qdisc_compare(struct mlxsw_sp_qdisc *mlxsw_sp_qdisc, u32 handle,
mlxsw_sp_qdisc->type == type;
}
static int
mlxsw_sp_qdisc_destroy(struct mlxsw_sp_port *mlxsw_sp_port,
struct mlxsw_sp_qdisc *mlxsw_sp_qdisc)
{
int err = 0;
if (!mlxsw_sp_qdisc)
return 0;
if (mlxsw_sp_qdisc->ops && mlxsw_sp_qdisc->ops->destroy)
err = mlxsw_sp_qdisc->ops->destroy(mlxsw_sp_port,
mlxsw_sp_qdisc);
mlxsw_sp_qdisc->handle = TC_H_UNSPEC;
mlxsw_sp_qdisc->type = MLXSW_SP_QDISC_NO_QDISC;
mlxsw_sp_qdisc->ops = NULL;
return err;
}
static int
mlxsw_sp_qdisc_get_stats(struct mlxsw_sp_port *mlxsw_sp_port,
struct mlxsw_sp_qdisc *mlxsw_sp_qdisc,
......@@ -175,14 +196,8 @@ static int
mlxsw_sp_qdisc_red_destroy(struct mlxsw_sp_port *mlxsw_sp_port,
struct mlxsw_sp_qdisc *mlxsw_sp_qdisc)
{
int err;
err = mlxsw_sp_tclass_congestion_disable(mlxsw_sp_port,
mlxsw_sp_qdisc->tclass_num);
mlxsw_sp_qdisc->handle = TC_H_UNSPEC;
mlxsw_sp_qdisc->type = MLXSW_SP_QDISC_NO_QDISC;
return err;
return mlxsw_sp_tclass_congestion_disable(mlxsw_sp_port,
mlxsw_sp_qdisc->tclass_num);
}
static int
......@@ -238,7 +253,7 @@ mlxsw_sp_qdisc_red_replace(struct mlxsw_sp_port *mlxsw_sp_port, u32 handle,
err_bad_param:
err = -EINVAL;
err_config:
mlxsw_sp_qdisc_red_destroy(mlxsw_sp_port, mlxsw_sp_qdisc);
mlxsw_sp_qdisc_destroy(mlxsw_sp_port, mlxsw_sp_qdisc);
return err;
}
......@@ -308,6 +323,7 @@ mlxsw_sp_qdisc_get_red_stats(struct mlxsw_sp_port *mlxsw_sp_port,
#define MLXSW_SP_PORT_DEFAULT_TCLASS 0
static struct mlxsw_sp_qdisc_ops mlxsw_sp_qdisc_ops_red = {
.destroy = mlxsw_sp_qdisc_red_destroy,
.get_stats = mlxsw_sp_qdisc_get_red_stats,
.get_xstats = mlxsw_sp_qdisc_get_red_xstats,
};
......@@ -334,8 +350,7 @@ int mlxsw_sp_setup_tc_red(struct mlxsw_sp_port *mlxsw_sp_port,
switch (p->command) {
case TC_RED_DESTROY:
return mlxsw_sp_qdisc_red_destroy(mlxsw_sp_port,
mlxsw_sp_qdisc);
return mlxsw_sp_qdisc_destroy(mlxsw_sp_port, mlxsw_sp_qdisc);
case TC_RED_XSTATS:
return mlxsw_sp_qdisc_get_xstats(mlxsw_sp_port, mlxsw_sp_qdisc,
p->xstats);
......
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