diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/dsa/sja1105/sja1105.h | 1 | ||||
| -rw-r--r-- | drivers/net/dsa/sja1105/sja1105_main.c | 27 | ||||
| -rw-r--r-- | drivers/net/dsa/sja1105/sja1105_spi.c | 4 |
3 files changed, 22 insertions, 10 deletions
diff --git a/drivers/net/dsa/sja1105/sja1105.h b/drivers/net/dsa/sja1105/sja1105.h index f762f5488a76..4d192331754c 100644 --- a/drivers/net/dsa/sja1105/sja1105.h +++ b/drivers/net/dsa/sja1105/sja1105.h @@ -109,6 +109,7 @@ struct sja1105_info { int num_cbs_shapers; int max_frame_mem; int num_ports; + bool multiple_cascade_ports; const struct sja1105_dynamic_table_ops *dyn_ops; const struct sja1105_table_ops *static_ops; const struct sja1105_regs *regs; diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c index de132a7a4a7a..850bbc793369 100644 --- a/drivers/net/dsa/sja1105/sja1105_main.c +++ b/drivers/net/dsa/sja1105/sja1105_main.c @@ -654,14 +654,6 @@ static int sja1105_init_general_params(struct sja1105_private *priv) .host_port = priv->ds->num_ports, /* Default to an invalid value */ .mirr_port = priv->ds->num_ports, - /* Link-local traffic received on casc_port will be forwarded - * to host_port without embedding the source port and device ID - * info in the destination MAC address (presumably because it - * is a cascaded port and a downstream SJA switch already did - * that). Default to an invalid port (to disable the feature) - * and overwrite this if we find any DSA (cascaded) ports. - */ - .casc_port = priv->ds->num_ports, /* No TTEthernet */ .vllupformat = SJA1105_VL_FORMAT_PSFP, .vlmarker = 0, @@ -676,6 +668,7 @@ static int sja1105_init_general_params(struct sja1105_private *priv) /* Enable the TTEthernet engine on SJA1110 */ .tte_en = true, }; + struct sja1105_general_params_entry *general_params; struct dsa_switch *ds = priv->ds; struct sja1105_table *table; int port; @@ -701,12 +694,26 @@ static int sja1105_init_general_params(struct sja1105_private *priv) table->entry_count = table->ops->max_entry_count; + general_params = table->entries; + /* This table only has a single entry */ - ((struct sja1105_general_params_entry *)table->entries)[0] = - default_general_params; + general_params[0] = default_general_params; sja1110_select_tdmaconfigidx(priv); + /* Link-local traffic received on casc_port will be forwarded + * to host_port without embedding the source port and device ID + * info in the destination MAC address, and no RX timestamps will be + * taken either (presumably because it is a cascaded port and a + * downstream SJA switch already did that). + * To disable the feature, we need to do different things depending on + * switch generation. On SJA1105 we need to set an invalid port, while + * on SJA1110 which support multiple cascaded ports, this field is a + * bitmask so it must be left zero. + */ + if (!priv->info->multiple_cascade_ports) + general_params->casc_port = ds->num_ports; + return 0; } diff --git a/drivers/net/dsa/sja1105/sja1105_spi.c b/drivers/net/dsa/sja1105/sja1105_spi.c index 54ecb5565761..e6c2a37aa617 100644 --- a/drivers/net/dsa/sja1105/sja1105_spi.c +++ b/drivers/net/dsa/sja1105/sja1105_spi.c @@ -763,6 +763,7 @@ const struct sja1105_info sja1110a_info = { .regs = &sja1110_regs, .qinq_tpid = ETH_P_8021AD, .can_limit_mcast_flood = true, + .multiple_cascade_ports = true, .ptp_ts_bits = 32, .ptpegr_ts_bytes = 8, .max_frame_mem = SJA1110_MAX_FRAME_MEMORY, @@ -808,6 +809,7 @@ const struct sja1105_info sja1110b_info = { .regs = &sja1110_regs, .qinq_tpid = ETH_P_8021AD, .can_limit_mcast_flood = true, + .multiple_cascade_ports = true, .ptp_ts_bits = 32, .ptpegr_ts_bytes = 8, .max_frame_mem = SJA1110_MAX_FRAME_MEMORY, @@ -853,6 +855,7 @@ const struct sja1105_info sja1110c_info = { .regs = &sja1110_regs, .qinq_tpid = ETH_P_8021AD, .can_limit_mcast_flood = true, + .multiple_cascade_ports = true, .ptp_ts_bits = 32, .ptpegr_ts_bytes = 8, .max_frame_mem = SJA1110_MAX_FRAME_MEMORY, @@ -898,6 +901,7 @@ const struct sja1105_info sja1110d_info = { .regs = &sja1110_regs, .qinq_tpid = ETH_P_8021AD, .can_limit_mcast_flood = true, + .multiple_cascade_ports = true, .ptp_ts_bits = 32, .ptpegr_ts_bytes = 8, .max_frame_mem = SJA1110_MAX_FRAME_MEMORY, |