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-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum.c59
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum.h7
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c14
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c61
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h1
5 files changed, 105 insertions, 37 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 8639f32ec4d5..9eb3ac7669f7 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -195,6 +195,10 @@ struct mlxsw_sp_ptp_ops {
u64 *data, int data_index);
};
+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)
@@ -3535,6 +3539,27 @@ mlxsw_sp_port_speed_by_width_set(struct mlxsw_sp_port *mlxsw_sp_port)
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
}
+int mlxsw_sp_port_speed_get(struct mlxsw_sp_port *mlxsw_sp_port, u32 *speed)
+{
+ const struct mlxsw_sp_port_type_speed_ops *port_type_speed_ops;
+ struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
+ char ptys_pl[MLXSW_REG_PTYS_LEN];
+ u32 eth_proto_oper;
+ int err;
+
+ port_type_speed_ops = mlxsw_sp->port_type_speed_ops;
+ port_type_speed_ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl,
+ mlxsw_sp_port->local_port, 0,
+ false);
+ err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
+ if (err)
+ return err;
+ port_type_speed_ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, NULL, NULL,
+ &eth_proto_oper);
+ *speed = port_type_speed_ops->from_ptys_speed(mlxsw_sp, eth_proto_oper);
+ return 0;
+}
+
int mlxsw_sp_port_ets_set(struct mlxsw_sp_port *mlxsw_sp_port,
enum mlxsw_reg_qeec_hr hr, u8 index, u8 next_index,
bool dwrr, u8 dwrr_weight)
@@ -3883,6 +3908,8 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port,
INIT_DELAYED_WORK(&mlxsw_sp_port->ptp.shaper_dw,
mlxsw_sp->ptp_ops->shaper_work);
+ INIT_DELAYED_WORK(&mlxsw_sp_port->span.speed_update_dw,
+ mlxsw_sp_span_speed_update_work);
mlxsw_sp->ports[local_port] = mlxsw_sp_port;
err = register_netdev(dev);
@@ -3939,6 +3966,7 @@ static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u8 local_port)
struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port];
cancel_delayed_work_sync(&mlxsw_sp_port->periodic_hw_stats.update_dw);
+ cancel_delayed_work_sync(&mlxsw_sp_port->span.speed_update_dw);
cancel_delayed_work_sync(&mlxsw_sp_port->ptp.shaper_dw);
mlxsw_sp_port_ptp_clear(mlxsw_sp_port);
mlxsw_core_port_clear(mlxsw_sp->core, local_port, mlxsw_sp);
@@ -4346,6 +4374,7 @@ static void mlxsw_sp_pude_event_func(const struct mlxsw_reg_info *reg,
netdev_info(mlxsw_sp_port->dev, "link up\n");
netif_carrier_on(mlxsw_sp_port->dev);
mlxsw_core_schedule_dw(&mlxsw_sp_port->ptp.shaper_dw, 0);
+ mlxsw_core_schedule_dw(&mlxsw_sp_port->span.speed_update_dw, 0);
} else {
netdev_info(mlxsw_sp_port->dev, "link down\n");
netif_carrier_off(mlxsw_sp_port->dev);
@@ -4893,6 +4922,33 @@ 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
+
+static u32 mlxsw_sp2_span_buffsize_get(int mtu, u32 speed)
+{
+ return 3 * mtu + MLXSW_SP2_SPAN_EG_MIRROR_BUFFER_FACTOR * speed / 1000;
+}
+
+static const struct mlxsw_sp_span_ops mlxsw_sp2_span_ops = {
+ .buffsize_get = mlxsw_sp2_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);
@@ -5114,6 +5170,7 @@ static int mlxsw_sp1_init(struct mlxsw_core *mlxsw_core,
mlxsw_sp->sb_vals = &mlxsw_sp1_sb_vals;
mlxsw_sp->port_type_speed_ops = &mlxsw_sp1_port_type_speed_ops;
mlxsw_sp->ptp_ops = &mlxsw_sp1_ptp_ops;
+ mlxsw_sp->span_ops = &mlxsw_sp1_span_ops;
mlxsw_sp->listeners = mlxsw_sp1_listener;
mlxsw_sp->listeners_count = ARRAY_SIZE(mlxsw_sp1_listener);
@@ -5139,6 +5196,7 @@ static int mlxsw_sp2_init(struct mlxsw_core *mlxsw_core,
mlxsw_sp->sb_vals = &mlxsw_sp2_sb_vals;
mlxsw_sp->port_type_speed_ops = &mlxsw_sp2_port_type_speed_ops;
mlxsw_sp->ptp_ops = &mlxsw_sp2_ptp_ops;
+ mlxsw_sp->span_ops = &mlxsw_sp2_span_ops;
return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack);
}
@@ -5160,6 +5218,7 @@ static int mlxsw_sp3_init(struct mlxsw_core *mlxsw_core,
mlxsw_sp->sb_vals = &mlxsw_sp2_sb_vals;
mlxsw_sp->port_type_speed_ops = &mlxsw_sp2_port_type_speed_ops;
mlxsw_sp->ptp_ops = &mlxsw_sp2_ptp_ops;
+ mlxsw_sp->span_ops = &mlxsw_sp2_span_ops;
return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack);
}
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
index 948ef4720d40..5f3b74360dc8 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
@@ -140,6 +140,7 @@ struct mlxsw_sp_sb_vals;
struct mlxsw_sp_port_type_speed_ops;
struct mlxsw_sp_ptp_state;
struct mlxsw_sp_ptp_ops;
+struct mlxsw_sp_span_ops;
struct mlxsw_sp_port_mapping {
u8 module;
@@ -185,6 +186,7 @@ struct mlxsw_sp {
const struct mlxsw_sp_sb_vals *sb_vals;
const struct mlxsw_sp_port_type_speed_ops *port_type_speed_ops;
const struct mlxsw_sp_ptp_ops *ptp_ops;
+ const struct mlxsw_sp_span_ops *span_ops;
const struct mlxsw_listener *listeners;
size_t listeners_count;
};
@@ -292,6 +294,9 @@ struct mlxsw_sp_port {
struct mlxsw_sp_ptp_port_stats stats;
} ptp;
u8 split_base_local_port;
+ struct {
+ struct delayed_work speed_update_dw;
+ } span;
};
struct mlxsw_sp_port_type_speed_ops {
@@ -471,6 +476,7 @@ extern struct notifier_block mlxsw_sp_switchdev_notifier;
/* spectrum.c */
void mlxsw_sp_rx_listener_no_mark_func(struct sk_buff *skb,
u8 local_port, void *priv);
+int mlxsw_sp_port_speed_get(struct mlxsw_sp_port *mlxsw_sp_port, u32 *speed);
int mlxsw_sp_port_ets_set(struct mlxsw_sp_port *mlxsw_sp_port,
enum mlxsw_reg_qeec_hr hr, u8 index, u8 next_index,
bool dwrr, u8 dwrr_weight);
@@ -501,6 +507,7 @@ 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_ptp.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c
index 4aaaa4937b1a..34f7c3501b08 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c
@@ -1016,27 +1016,17 @@ mlxsw_sp1_ptp_port_shaper_set(struct mlxsw_sp_port *mlxsw_sp_port, bool enable)
static int mlxsw_sp1_ptp_port_shaper_check(struct mlxsw_sp_port *mlxsw_sp_port)
{
- const struct mlxsw_sp_port_type_speed_ops *port_type_speed_ops;
- struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
- char ptys_pl[MLXSW_REG_PTYS_LEN];
- u32 eth_proto_oper, speed;
bool ptps = false;
int err, i;
+ u32 speed;
if (!mlxsw_sp1_ptp_hwtstamp_enabled(mlxsw_sp_port))
return mlxsw_sp1_ptp_port_shaper_set(mlxsw_sp_port, false);
- port_type_speed_ops = mlxsw_sp->port_type_speed_ops;
- port_type_speed_ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl,
- mlxsw_sp_port->local_port, 0,
- false);
- err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
+ err = mlxsw_sp_port_speed_get(mlxsw_sp_port, &speed);
if (err)
return err;
- port_type_speed_ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, NULL, NULL,
- &eth_proto_oper);
- speed = port_type_speed_ops->from_ptys_speed(mlxsw_sp, eth_proto_oper);
for (i = 0; i < MLXSW_SP1_PTP_SHAPER_PARAMS_LEN; i++) {
if (mlxsw_sp1_ptp_shaper_params[i].ethtool_speed == speed) {
ptps = true;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c
index 200d324e6d99..0cdd7954a085 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c
@@ -748,33 +748,50 @@ 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)
+static int
+mlxsw_sp_span_port_buffsize_update(struct mlxsw_sp_port *mlxsw_sp_port, u16 mtu)
{
- return mlxsw_sp_bytes_cells(mlxsw_sp, mtu * 5 / 2) + 1;
+ 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_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);
}
int mlxsw_sp_span_port_mtu_update(struct mlxsw_sp_port *port, u16 mtu)
{
- struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp;
- char sbib_pl[MLXSW_REG_SBIB_LEN];
- int err;
-
/* 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);
+ if (mlxsw_sp_span_is_egress_mirror(port))
+ return mlxsw_sp_span_port_buffsize_update(port, mtu);
+ return 0;
+}
- 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;
- }
- }
+void mlxsw_sp_span_speed_update_work(struct work_struct *work)
+{
+ struct delayed_work *dwork = to_delayed_work(work);
+ struct mlxsw_sp_port *mlxsw_sp_port;
- return 0;
+ mlxsw_sp_port = container_of(dwork, struct mlxsw_sp_port,
+ span.speed_update_dw);
+
+ /* If port is egress mirrored, the shared buffer size should be
+ * updated according to the speed value.
+ */
+ if (mlxsw_sp_span_is_egress_mirror(mlxsw_sp_port))
+ mlxsw_sp_span_port_buffsize_update(mlxsw_sp_port,
+ mlxsw_sp_port->dev->mtu);
}
static struct mlxsw_sp_span_inspected_port *
@@ -836,15 +853,9 @@ 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) {
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h
index 5e04252f2a11..59724335525f 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h
@@ -74,5 +74,6 @@ void mlxsw_sp_span_entry_invalidate(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_span_entry *span_entry);
int mlxsw_sp_span_port_mtu_update(struct mlxsw_sp_port *port, u16 mtu);
+void mlxsw_sp_span_speed_update_work(struct work_struct *work);
#endif
generated by cgit v1.2.3 (git 2.46.0) at 2025-07-30 04:02:32 +0000