Commit 31c25b94 authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller

mlxsw: spectrum_span: Put buffsize update code into helper function

Avoid duplication of code that is doing buffsize update and put it into
a separate helper function.
Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ac9cc4e2
...@@ -754,26 +754,25 @@ static int mlxsw_sp_span_mtu_to_buffsize(const struct mlxsw_sp *mlxsw_sp, ...@@ -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; 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]; 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 /* If port is egress mirrored, the shared buffer size should be
* updated according to the mtu value * updated according to the mtu value
*/ */
if (mlxsw_sp_span_is_egress_mirror(port)) { if (mlxsw_sp_span_is_egress_mirror(port))
u32 buffsize = mlxsw_sp_span_mtu_to_buffsize(mlxsw_sp, mtu); return mlxsw_sp_span_port_buffsize_update(port, 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;
}
}
return 0; return 0;
} }
...@@ -836,15 +835,9 @@ mlxsw_sp_span_inspected_port_add(struct mlxsw_sp_port *port, ...@@ -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 it is an egress SPAN, bind a shared buffer to it */
if (type == MLXSW_SP_SPAN_EGRESS) { if (type == MLXSW_SP_SPAN_EGRESS) {
u32 buffsize = mlxsw_sp_span_mtu_to_buffsize(mlxsw_sp, err = mlxsw_sp_span_port_buffsize_update(port, port->dev->mtu);
port->dev->mtu); if (err)
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");
return err; return err;
}
} }
if (bind) { if (bind) {
......
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