diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 50 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c | 47 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h | 8 |
4 files changed, 55 insertions, 51 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index eeeafd1d82ce..636dd09cbbbc 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -175,10 +175,6 @@ struct mlxsw_sp_mlxfw_dev { struct mlxsw_sp *mlxsw_sp; }; -struct mlxsw_sp_span_ops { - u32 (*buffsize_get)(int mtu, u32 speed); -}; - static int mlxsw_sp_component_query(struct mlxfw_dev *mlxfw_dev, u16 component_index, u32 *p_max_size, u8 *p_align_bits, u16 *p_max_write_size) @@ -2812,52 +2808,6 @@ static const struct mlxsw_sp_ptp_ops mlxsw_sp2_ptp_ops = { .get_stats = mlxsw_sp2_get_stats, }; -static u32 mlxsw_sp1_span_buffsize_get(int mtu, u32 speed) -{ - return mtu * 5 / 2; -} - -static const struct mlxsw_sp_span_ops mlxsw_sp1_span_ops = { - .buffsize_get = mlxsw_sp1_span_buffsize_get, -}; - -#define MLXSW_SP2_SPAN_EG_MIRROR_BUFFER_FACTOR 38 -#define MLXSW_SP3_SPAN_EG_MIRROR_BUFFER_FACTOR 50 - -static u32 __mlxsw_sp_span_buffsize_get(int mtu, u32 speed, u32 buffer_factor) -{ - return 3 * mtu + buffer_factor * speed / 1000; -} - -static u32 mlxsw_sp2_span_buffsize_get(int mtu, u32 speed) -{ - int factor = MLXSW_SP2_SPAN_EG_MIRROR_BUFFER_FACTOR; - - return __mlxsw_sp_span_buffsize_get(mtu, speed, factor); -} - -static const struct mlxsw_sp_span_ops mlxsw_sp2_span_ops = { - .buffsize_get = mlxsw_sp2_span_buffsize_get, -}; - -static u32 mlxsw_sp3_span_buffsize_get(int mtu, u32 speed) -{ - int factor = MLXSW_SP3_SPAN_EG_MIRROR_BUFFER_FACTOR; - - return __mlxsw_sp_span_buffsize_get(mtu, speed, factor); -} - -static const struct mlxsw_sp_span_ops mlxsw_sp3_span_ops = { - .buffsize_get = mlxsw_sp3_span_buffsize_get, -}; - -u32 mlxsw_sp_span_buffsize_get(struct mlxsw_sp *mlxsw_sp, int mtu, u32 speed) -{ - u32 buffsize = mlxsw_sp->span_ops->buffsize_get(speed, mtu); - - return mlxsw_sp_bytes_cells(mlxsw_sp, buffsize) + 1; -} - static int mlxsw_sp_netdevice_event(struct notifier_block *unused, unsigned long event, void *ptr); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h index 1d6b2bc2774c..18c64f7b265d 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h @@ -539,7 +539,6 @@ int mlxsw_sp_flow_counter_alloc(struct mlxsw_sp *mlxsw_sp, unsigned int *p_counter_index); void mlxsw_sp_flow_counter_free(struct mlxsw_sp *mlxsw_sp, unsigned int counter_index); -u32 mlxsw_sp_span_buffsize_get(struct mlxsw_sp *mlxsw_sp, int mtu, u32 speed); bool mlxsw_sp_port_dev_check(const struct net_device *dev); struct mlxsw_sp *mlxsw_sp_lower_get(struct net_device *dev); struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find(struct net_device *dev); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c index 92351a79addc..49e2a417ec0e 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c @@ -766,6 +766,14 @@ static int mlxsw_sp_span_entry_put(struct mlxsw_sp *mlxsw_sp, return 0; } +static u32 mlxsw_sp_span_buffsize_get(struct mlxsw_sp *mlxsw_sp, int mtu, + u32 speed) +{ + u32 buffsize = mlxsw_sp->span_ops->buffsize_get(speed, mtu); + + return mlxsw_sp_bytes_cells(mlxsw_sp, buffsize) + 1; +} + static int mlxsw_sp_span_port_buffer_update(struct mlxsw_sp_port *mlxsw_sp_port, u16 mtu) { @@ -1207,3 +1215,42 @@ void mlxsw_sp_span_agent_unbind(struct mlxsw_sp *mlxsw_sp, mlxsw_sp_span_trigger_entry_destroy(mlxsw_sp->span, trigger_entry); } + +static u32 mlxsw_sp1_span_buffsize_get(int mtu, u32 speed) +{ + return mtu * 5 / 2; +} + +const struct mlxsw_sp_span_ops mlxsw_sp1_span_ops = { + .buffsize_get = mlxsw_sp1_span_buffsize_get, +}; + +#define MLXSW_SP2_SPAN_EG_MIRROR_BUFFER_FACTOR 38 +#define MLXSW_SP3_SPAN_EG_MIRROR_BUFFER_FACTOR 50 + +static u32 __mlxsw_sp_span_buffsize_get(int mtu, u32 speed, u32 buffer_factor) +{ + return 3 * mtu + buffer_factor * speed / 1000; +} + +static u32 mlxsw_sp2_span_buffsize_get(int mtu, u32 speed) +{ + int factor = MLXSW_SP2_SPAN_EG_MIRROR_BUFFER_FACTOR; + + return __mlxsw_sp_span_buffsize_get(mtu, speed, factor); +} + +const struct mlxsw_sp_span_ops mlxsw_sp2_span_ops = { + .buffsize_get = mlxsw_sp2_span_buffsize_get, +}; + +static u32 mlxsw_sp3_span_buffsize_get(int mtu, u32 speed) +{ + int factor = MLXSW_SP3_SPAN_EG_MIRROR_BUFFER_FACTOR; + + return __mlxsw_sp_span_buffsize_get(mtu, speed, factor); +} + +const struct mlxsw_sp_span_ops mlxsw_sp3_span_ops = { + .buffsize_get = mlxsw_sp3_span_buffsize_get, +}; diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h index 9f6dd2d0f4e6..440551ec0dba 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h @@ -34,6 +34,10 @@ struct mlxsw_sp_span_trigger_parms { struct mlxsw_sp_span_entry_ops; +struct mlxsw_sp_span_ops { + u32 (*buffsize_get)(int mtu, u32 speed); +}; + struct mlxsw_sp_span_entry { const struct net_device *to_dev; const struct mlxsw_sp_span_entry_ops *ops; @@ -82,4 +86,8 @@ mlxsw_sp_span_agent_unbind(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_port *mlxsw_sp_port, const struct mlxsw_sp_span_trigger_parms *parms); +extern const struct mlxsw_sp_span_ops mlxsw_sp1_span_ops; +extern const struct mlxsw_sp_span_ops mlxsw_sp2_span_ops; +extern const struct mlxsw_sp_span_ops mlxsw_sp3_span_ops; + #endif |