diff options
| author | Jiri Pirko <jiri@mellanox.com> | 2020-01-20 10:52:52 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-01-20 15:25:46 +0300 |
| commit | ff9fdfec5f96e9e70469775da498226a1aaa8a68 (patch) | |
| tree | 0cea8d15bb2e80ed551dcfd590da76d397ff6fc2 /drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c | |
| parent | 31c25b949813292e2f85b0e8708b767e55aba093 (diff) | |
| download | linux-ff9fdfec5f96e9e70469775da498226a1aaa8a68.tar.xz | |
mlxsw: spectrum: Fix SPAN egress mirroring buffer size for Spectrum-2
For SPAN egress mirroring buffer size, it is needed to use a different
formula for Spectrum and Spectrum-2. Move the buffer size computation to
ops and implement new formula for Spectrum-2.
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>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c index 7917c6ea262e..88b8edf14387 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c @@ -748,20 +748,22 @@ static bool mlxsw_sp_span_is_egress_mirror(struct mlxsw_sp_port *port) return false; } -static int mlxsw_sp_span_mtu_to_buffsize(const struct mlxsw_sp *mlxsw_sp, - int mtu) -{ - return mlxsw_sp_bytes_cells(mlxsw_sp, mtu * 5 / 2) + 1; -} - static int mlxsw_sp_span_port_buffsize_update(struct mlxsw_sp_port *mlxsw_sp_port, u16 mtu) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char sbib_pl[MLXSW_REG_SBIB_LEN]; u32 buffsize; + u32 speed; + int err; + + err = mlxsw_sp_port_speed_get(mlxsw_sp_port, &speed); + if (err) + return err; + if (speed == SPEED_UNKNOWN) + speed = 0; - buffsize = mlxsw_sp_span_mtu_to_buffsize(mlxsw_sp, mtu); + buffsize = mlxsw_sp_span_buffsize_get(mlxsw_sp, speed, 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); } |