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-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c37
1 files changed, 15 insertions, 22 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c
index 200d324e6d99..7917c6ea262e 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c
@@ -754,26 +754,25 @@ static int mlxsw_sp_span_mtu_to_buffsize(const struct mlxsw_sp *mlxsw_sp,
return mlxsw_sp_bytes_cells(mlxsw_sp, mtu * 5 / 2) + 1;
}
-int mlxsw_sp_span_port_mtu_update(struct mlxsw_sp_port *port, u16 mtu)
+static int
+mlxsw_sp_span_port_buffsize_update(struct mlxsw_sp_port *mlxsw_sp_port, u16 mtu)
{
- struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp;
+ struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char sbib_pl[MLXSW_REG_SBIB_LEN];
- int err;
+ u32 buffsize;
+ buffsize = mlxsw_sp_span_mtu_to_buffsize(mlxsw_sp, mtu);
+ mlxsw_reg_sbib_pack(sbib_pl, mlxsw_sp_port->local_port, buffsize);
+ return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sbib), sbib_pl);
+}
+
+int mlxsw_sp_span_port_mtu_update(struct mlxsw_sp_port *port, u16 mtu)
+{
/* If port is egress mirrored, the shared buffer size should be
* updated according to the mtu value
*/
- if (mlxsw_sp_span_is_egress_mirror(port)) {
- u32 buffsize = mlxsw_sp_span_mtu_to_buffsize(mlxsw_sp, mtu);
-
- mlxsw_reg_sbib_pack(sbib_pl, port->local_port, buffsize);
- err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sbib), sbib_pl);
- if (err) {
- netdev_err(port->dev, "Could not update shared buffer for mirroring\n");
- return err;
- }
- }
-
+ if (mlxsw_sp_span_is_egress_mirror(port))
+ return mlxsw_sp_span_port_buffsize_update(port, mtu);
return 0;
}
@@ -836,15 +835,9 @@ mlxsw_sp_span_inspected_port_add(struct mlxsw_sp_port *port,
/* if it is an egress SPAN, bind a shared buffer to it */
if (type == MLXSW_SP_SPAN_EGRESS) {
- u32 buffsize = mlxsw_sp_span_mtu_to_buffsize(mlxsw_sp,
- port->dev->mtu);
-
- mlxsw_reg_sbib_pack(sbib_pl, port->local_port, buffsize);
- err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sbib), sbib_pl);
- if (err) {
- netdev_err(port->dev, "Could not create shared buffer for mirroring\n");
+ err = mlxsw_sp_span_port_buffsize_update(port, port->dev->mtu);
+ if (err)
return err;
- }
}
if (bind) {