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net: dsa: sja1105: Reverse TPID and TPID2

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>From reading the P/Q/R/S user manual, it appears that TPID is used by
the switch for detecting S-tags and TPID2 for C-tags.  Their meaning is
not clear from the E/T manual.

Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vladimir Oltean 2019-06-08 15:04:31 +03:00 committed by David S. Miller
parent 070ca3bb95
commit f9a1a7646c
1 changed files with 4 additions and 2 deletions
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6
drivers/net/dsa/sja1105/sja1105_main.c
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@ -1421,8 +1421,8 @@ static int sja1105_vlan_filtering(struct dsa_switch *ds, int port, bool enabled)
if (enabled) {
/* Enable VLAN filtering. */
tpid = ETH_P_8021Q;
tpid2 = ETH_P_8021AD;
tpid = ETH_P_8021AD;
tpid2 = ETH_P_8021Q;
} else {
/* Disable VLAN filtering. */
tpid = ETH_P_SJA1105;
@ -1431,7 +1431,9 @@ static int sja1105_vlan_filtering(struct dsa_switch *ds, int port, bool enabled)
table = &priv->static_config.tables[BLK_IDX_GENERAL_PARAMS];
general_params = table->entries;
/* EtherType used to identify outer tagged (S-tag) VLAN traffic */
general_params->tpid = tpid;
/* EtherType used to identify inner tagged (C-tag) VLAN traffic */
general_params->tpid2 = tpid2;
rc = sja1105_static_config_reload(priv);