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-rw-r--r--drivers/net/dsa/sja1105/sja1105.h1
-rw-r--r--drivers/net/dsa/sja1105/sja1105_main.c5
-rw-r--r--include/linux/dsa/sja1105.h15
3 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/dsa/sja1105/sja1105.h b/drivers/net/dsa/sja1105/sja1105.h
index 5a4f83a3417b..0fc6fe9ada87 100644
--- a/drivers/net/dsa/sja1105/sja1105.h
+++ b/drivers/net/dsa/sja1105/sja1105.h
@@ -103,6 +103,7 @@ struct sja1105_private {
* the switch doesn't confuse them with one another.
*/
struct mutex mgmt_lock;
+ struct sja1105_tagger_data tagger_data;
};
#include "sja1105_dynamic_config.h"
diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c
index d129997174bb..3c11142f1c67 100644
--- a/drivers/net/dsa/sja1105/sja1105_main.c
+++ b/drivers/net/dsa/sja1105/sja1105_main.c
@@ -1828,6 +1828,7 @@ static int sja1105_check_device_id(struct sja1105_private *priv)
static int sja1105_probe(struct spi_device *spi)
{
+ struct sja1105_tagger_data *tagger_data;
struct device *dev = &spi->dev;
struct sja1105_private *priv;
struct dsa_switch *ds;
@@ -1882,12 +1883,16 @@ static int sja1105_probe(struct spi_device *spi)
ds->priv = priv;
priv->ds = ds;
+ tagger_data = &priv->tagger_data;
+ skb_queue_head_init(&tagger_data->skb_rxtstamp_queue);
+
/* Connections between dsa_port and sja1105_port */
for (i = 0; i < SJA1105_NUM_PORTS; i++) {
struct sja1105_port *sp = &priv->ports[i];
ds->ports[i].priv = sp;
sp->dp = &ds->ports[i];
+ sp->data = tagger_data;
}
mutex_init(&priv->mgmt_lock);
diff --git a/include/linux/dsa/sja1105.h b/include/linux/dsa/sja1105.h
index cc4a909d1007..2c4fce4eaf0d 100644
--- a/include/linux/dsa/sja1105.h
+++ b/include/linux/dsa/sja1105.h
@@ -31,7 +31,22 @@
#define SJA1105_META_SMAC 0x222222222222ull
#define SJA1105_META_DMAC 0x0180C200000Eull
+/* Global tagger data: each struct sja1105_port has a reference to
+ * the structure defined in struct sja1105_private.
+ */
+struct sja1105_tagger_data {
+ struct sk_buff_head skb_rxtstamp_queue;
+ struct work_struct rxtstamp_work;
+ struct sk_buff *stampable_skb;
+ /* Protects concurrent access to the meta state machine
+ * from taggers running on multiple ports on SMP systems
+ */
+ spinlock_t meta_lock;
+ bool hwts_rx_en;
+};
+
struct sja1105_port {
+ struct sja1105_tagger_data *data;
struct dsa_port *dp;
bool hwts_tx_en;
int mgmt_slot;