diff options
Diffstat (limited to 'drivers/net/dsa/sja1105/sja1105_main.c')
| -rw-r--r-- | drivers/net/dsa/sja1105/sja1105_main.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c index 121ceccd8107..d129997174bb 100644 --- a/drivers/net/dsa/sja1105/sja1105_main.c +++ b/drivers/net/dsa/sja1105/sja1105_main.c @@ -508,6 +508,39 @@ static int sja1105_init_l2_policing(struct sja1105_private *priv) return 0; } +static int sja1105_init_avb_params(struct sja1105_private *priv, + bool on) +{ + struct sja1105_avb_params_entry *avb; + struct sja1105_table *table; + + table = &priv->static_config.tables[BLK_IDX_AVB_PARAMS]; + + /* Discard previous AVB Parameters Table */ + if (table->entry_count) { + kfree(table->entries); + table->entry_count = 0; + } + + /* Configure the reception of meta frames only if requested */ + if (!on) + return 0; + + table->entries = kcalloc(SJA1105_MAX_AVB_PARAMS_COUNT, + table->ops->unpacked_entry_size, GFP_KERNEL); + if (!table->entries) + return -ENOMEM; + + table->entry_count = SJA1105_MAX_AVB_PARAMS_COUNT; + + avb = table->entries; + + avb->destmeta = SJA1105_META_DMAC; + avb->srcmeta = SJA1105_META_SMAC; + + return 0; +} + static int sja1105_static_config_load(struct sja1105_private *priv, struct sja1105_dt_port *ports) { @@ -548,6 +581,9 @@ static int sja1105_static_config_load(struct sja1105_private *priv, rc = sja1105_init_general_params(priv); if (rc < 0) return rc; + rc = sja1105_init_avb_params(priv, false); + if (rc < 0) + return rc; /* Send initial configuration to hardware via SPI */ return sja1105_static_config_upload(priv); |