[PATCH net-next 3/7] net: mscc: ocelot: transform the pvid and native vlan values into a structure

From: Vladimir Oltean
Date: Sat Oct 31 2020 - 06:30:04 EST


This is a mechanical patch only.

Signed-off-by: Vladimir Oltean <vladimir.oltean@xxxxxxx>
---
drivers/net/ethernet/mscc/ocelot.c | 55 ++++++++++++++++----------
drivers/net/ethernet/mscc/ocelot_net.c | 16 ++++----
include/soc/mscc/ocelot.h | 14 ++++---
3 files changed, 50 insertions(+), 35 deletions(-)

diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c
index ae25a79bf907..a7e724ae01f7 100644
--- a/drivers/net/ethernet/mscc/ocelot.c
+++ b/drivers/net/ethernet/mscc/ocelot.c
@@ -148,27 +148,27 @@ static int ocelot_vlant_set_mask(struct ocelot *ocelot, u16 vid, u32 mask)
}

static int ocelot_port_set_native_vlan(struct ocelot *ocelot, int port,
- u16 vid)
+ struct ocelot_vlan native_vlan)
{
struct ocelot_port *ocelot_port = ocelot->ports[port];
u32 val = 0;

- if (ocelot_port->vid != vid) {
+ if (ocelot_port->native_vlan.vid != native_vlan.vid) {
/* Always permit deleting the native VLAN (vid = 0) */
- if (ocelot_port->vid && vid) {
+ if (ocelot_port->native_vlan.vid && native_vlan.vid) {
dev_err(ocelot->dev,
"Port already has a native VLAN: %d\n",
- ocelot_port->vid);
+ ocelot_port->native_vlan.vid);
return -EBUSY;
}
- ocelot_port->vid = vid;
+ ocelot_port->native_vlan = native_vlan;
}

- ocelot_rmw_gix(ocelot, REW_PORT_VLAN_CFG_PORT_VID(vid),
+ ocelot_rmw_gix(ocelot, REW_PORT_VLAN_CFG_PORT_VID(native_vlan.vid),
REW_PORT_VLAN_CFG_PORT_VID_M,
REW_PORT_VLAN_CFG, port);

- if (ocelot_port->vlan_aware && !ocelot_port->vid)
+ if (ocelot_port->vlan_aware && !ocelot_port->native_vlan.vid)
/* If port is vlan-aware and tagged, drop untagged and priority
* tagged frames.
*/
@@ -182,7 +182,7 @@ static int ocelot_port_set_native_vlan(struct ocelot *ocelot, int port,
ANA_PORT_DROP_CFG, port);

if (ocelot_port->vlan_aware) {
- if (ocelot_port->vid)
+ if (ocelot_port->native_vlan.vid)
/* Tag all frames except when VID == DEFAULT_VLAN */
val = REW_TAG_CFG_TAG_CFG(1);
else
@@ -200,17 +200,18 @@ static int ocelot_port_set_native_vlan(struct ocelot *ocelot, int port,
}

/* Default vlan to clasify for untagged frames (may be zero) */
-static void ocelot_port_set_pvid(struct ocelot *ocelot, int port, u16 pvid)
+static void ocelot_port_set_pvid(struct ocelot *ocelot, int port,
+ struct ocelot_vlan pvid_vlan)
{
struct ocelot_port *ocelot_port = ocelot->ports[port];

- ocelot_port->pvid = pvid;
+ ocelot_port->pvid_vlan = pvid_vlan;

if (!ocelot_port->vlan_aware)
- pvid = 0;
+ pvid_vlan.vid = 0;

ocelot_rmw_gix(ocelot,
- ANA_PORT_VLAN_CFG_VLAN_VID(pvid),
+ ANA_PORT_VLAN_CFG_VLAN_VID(pvid_vlan.vid),
ANA_PORT_VLAN_CFG_VLAN_VID_M,
ANA_PORT_VLAN_CFG, port);
}
@@ -249,8 +250,8 @@ int ocelot_port_vlan_filtering(struct ocelot *ocelot, int port,
ANA_PORT_VLAN_CFG_VLAN_POP_CNT_M,
ANA_PORT_VLAN_CFG, port);

- ocelot_port_set_pvid(ocelot, port, ocelot_port->pvid);
- ocelot_port_set_native_vlan(ocelot, port, ocelot_port->vid);
+ ocelot_port_set_pvid(ocelot, port, ocelot_port->pvid_vlan);
+ ocelot_port_set_native_vlan(ocelot, port, ocelot_port->native_vlan);

return 0;
}
@@ -268,12 +269,19 @@ int ocelot_vlan_add(struct ocelot *ocelot, int port, u16 vid, bool pvid,
return ret;

/* Default ingress vlan classification */
- if (pvid)
- ocelot_port_set_pvid(ocelot, port, vid);
+ if (pvid) {
+ struct ocelot_vlan pvid_vlan;
+
+ pvid_vlan.vid = vid;
+ ocelot_port_set_pvid(ocelot, port, pvid_vlan);
+ }

/* Untagged egress vlan clasification */
if (untagged) {
- ret = ocelot_port_set_native_vlan(ocelot, port, vid);
+ struct ocelot_vlan native_vlan;
+
+ native_vlan.vid = vid;
+ ret = ocelot_port_set_native_vlan(ocelot, port, native_vlan);
if (ret)
return ret;
}
@@ -294,8 +302,12 @@ int ocelot_vlan_del(struct ocelot *ocelot, int port, u16 vid)
return ret;

/* Egress */
- if (ocelot_port->vid == vid)
- ocelot_port_set_native_vlan(ocelot, port, 0);
+ if (ocelot_port->native_vlan.vid == vid) {
+ struct ocelot_vlan native_vlan;
+
+ native_vlan.vid = 0;
+ ocelot_port_set_native_vlan(ocelot, port, native_vlan);
+ }

return 0;
}
@@ -1151,6 +1163,7 @@ EXPORT_SYMBOL(ocelot_port_bridge_join);
int ocelot_port_bridge_leave(struct ocelot *ocelot, int port,
struct net_device *bridge)
{
+ struct ocelot_vlan pvid = {0}, native_vlan = {0};
struct switchdev_trans trans;
int ret;

@@ -1169,8 +1182,8 @@ int ocelot_port_bridge_leave(struct ocelot *ocelot, int port,
if (ret)
return ret;

- ocelot_port_set_pvid(ocelot, port, 0);
- return ocelot_port_set_native_vlan(ocelot, port, 0);
+ ocelot_port_set_pvid(ocelot, port, pvid);
+ return ocelot_port_set_native_vlan(ocelot, port, native_vlan);
}
EXPORT_SYMBOL(ocelot_port_bridge_leave);

diff --git a/drivers/net/ethernet/mscc/ocelot_net.c b/drivers/net/ethernet/mscc/ocelot_net.c
index b34da11acf65..cf5c2a0ddfc0 100644
--- a/drivers/net/ethernet/mscc/ocelot_net.c
+++ b/drivers/net/ethernet/mscc/ocelot_net.c
@@ -409,7 +409,7 @@ static int ocelot_mc_unsync(struct net_device *dev, const unsigned char *addr)
struct ocelot_port *ocelot_port = &priv->port;
struct ocelot *ocelot = ocelot_port->ocelot;

- return ocelot_mact_forget(ocelot, addr, ocelot_port->pvid);
+ return ocelot_mact_forget(ocelot, addr, ocelot_port->pvid_vlan.vid);
}

static int ocelot_mc_sync(struct net_device *dev, const unsigned char *addr)
@@ -418,8 +418,8 @@ static int ocelot_mc_sync(struct net_device *dev, const unsigned char *addr)
struct ocelot_port *ocelot_port = &priv->port;
struct ocelot *ocelot = ocelot_port->ocelot;

- return ocelot_mact_learn(ocelot, PGID_CPU, addr, ocelot_port->pvid,
- ENTRYTYPE_LOCKED);
+ return ocelot_mact_learn(ocelot, PGID_CPU, addr,
+ ocelot_port->pvid_vlan.vid, ENTRYTYPE_LOCKED);
}

static void ocelot_set_rx_mode(struct net_device *dev)
@@ -462,10 +462,10 @@ static int ocelot_port_set_mac_address(struct net_device *dev, void *p)
const struct sockaddr *addr = p;

/* Learn the new net device MAC address in the mac table. */
- ocelot_mact_learn(ocelot, PGID_CPU, addr->sa_data, ocelot_port->pvid,
- ENTRYTYPE_LOCKED);
+ ocelot_mact_learn(ocelot, PGID_CPU, addr->sa_data,
+ ocelot_port->pvid_vlan.vid, ENTRYTYPE_LOCKED);
/* Then forget the previous one. */
- ocelot_mact_forget(ocelot, dev->dev_addr, ocelot_port->pvid);
+ ocelot_mact_forget(ocelot, dev->dev_addr, ocelot_port->pvid_vlan.vid);

ether_addr_copy(dev->dev_addr, addr->sa_data);
return 0;
@@ -1074,8 +1074,8 @@ int ocelot_probe_port(struct ocelot *ocelot, int port, struct regmap *target,

memcpy(dev->dev_addr, ocelot->base_mac, ETH_ALEN);
dev->dev_addr[ETH_ALEN - 1] += port;
- ocelot_mact_learn(ocelot, PGID_CPU, dev->dev_addr, ocelot_port->pvid,
- ENTRYTYPE_LOCKED);
+ ocelot_mact_learn(ocelot, PGID_CPU, dev->dev_addr,
+ ocelot_port->pvid_vlan.vid, ENTRYTYPE_LOCKED);

ocelot_init_port(ocelot, port);

diff --git a/include/soc/mscc/ocelot.h b/include/soc/mscc/ocelot.h
index cc126d1796be..baf6a498f7d1 100644
--- a/include/soc/mscc/ocelot.h
+++ b/include/soc/mscc/ocelot.h
@@ -571,18 +571,20 @@ struct ocelot_vcap_block {
int pol_lpr;
};

+struct ocelot_vlan {
+ u16 vid;
+};
+
struct ocelot_port {
struct ocelot *ocelot;

struct regmap *target;

bool vlan_aware;
-
- /* Ingress default VLAN (pvid) */
- u16 pvid;
-
- /* Egress default VLAN (vid) */
- u16 vid;
+ /* VLAN that untagged frames are classified to, on ingress */
+ struct ocelot_vlan pvid_vlan;
+ /* The VLAN ID that will be transmitted as untagged, on egress */
+ struct ocelot_vlan native_vlan;

u8 ptp_cmd;
struct sk_buff_head tx_skbs;
--
2.25.1