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net: mscc: ocelot: add a type definition for REW_TAG_CFG_TAG_CFG

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This is a cosmetic patch which clarifies what are the port tagging
options for Ocelot switches.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vladimir Oltean 2021-10-20 20:58:48 +03:00 committed by David S. Miller
parent dfcb63ce1d
commit 62a22bcbd3
2 changed files with 16 additions and 8 deletions
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13
drivers/net/ethernet/mscc/ocelot.c
View file

@ -166,7 +166,7 @@ static void ocelot_port_set_native_vlan(struct ocelot *ocelot, int port,
struct ocelot_vlan native_vlan)
{
struct ocelot_port *ocelot_port = ocelot->ports[port];
u32 val = 0;
enum ocelot_port_tag_config tag_cfg;
ocelot_port->native_vlan = native_vlan;
@ -176,16 +176,13 @@ static void ocelot_port_set_native_vlan(struct ocelot *ocelot, int port,
if (ocelot_port->vlan_aware) {
if (native_vlan.valid)
/* Tag all frames except when VID == DEFAULT_VLAN */
val = REW_TAG_CFG_TAG_CFG(1);
tag_cfg = OCELOT_PORT_TAG_NATIVE;
else
/* Tag all frames */
val = REW_TAG_CFG_TAG_CFG(3);
tag_cfg = OCELOT_PORT_TAG_TRUNK;
} else {
/* Port tagging disabled. */
val = REW_TAG_CFG_TAG_CFG(0);
tag_cfg = OCELOT_PORT_TAG_DISABLED;
}
ocelot_rmw_gix(ocelot, val,
ocelot_rmw_gix(ocelot, REW_TAG_CFG_TAG_CFG(tag_cfg),
REW_TAG_CFG_TAG_CFG_M,
REW_TAG_CFG, port);
}

11
include/soc/mscc/ocelot.h
View file

@ -568,6 +568,17 @@ struct ocelot_vlan {
u16 vid;
};
enum ocelot_port_tag_config {
/* all VLANs are egress-untagged */
OCELOT_PORT_TAG_DISABLED = 0,
/* all VLANs except the native VLAN and VID 0 are egress-tagged */
OCELOT_PORT_TAG_NATIVE = 1,
/* all VLANs except VID 0 are egress-tagged */
OCELOT_PORT_TAG_TRUNK_NO_VID0 = 2,
/* all VLANs are egress-tagged */
OCELOT_PORT_TAG_TRUNK = 3,
};
enum ocelot_sb {
OCELOT_SB_BUF,
OCELOT_SB_REF,