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net: dsa: mv88e6xxx: use dsa_port's bridge pointer

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Now that DSA exposes the bridge device pointer to which a port belongs,
use it when programming the port based VLANs and thus remove the cache.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vivien Didelot 2017-01-27 15:29:42 -05:00 committed by David S. Miller
parent f123f2fbed
commit fae8a25e5b
2 changed files with 11 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
drivers/net/dsa/mv88e6xxx/chip.c
View File

@ -1247,8 +1247,8 @@ static int _mv88e6xxx_atu_remove(struct mv88e6xxx_chip *chip, u16 fid,
static int _mv88e6xxx_port_based_vlan_map(struct mv88e6xxx_chip *chip, int port)
{
struct net_device *bridge = chip->ports[port].bridge_dev;
struct dsa_switch *ds = chip->ds;
struct net_device *bridge = ds->ports[port].bridge_dev;
u16 output_ports = 0;
int i;
@ -1258,7 +1258,7 @@ static int _mv88e6xxx_port_based_vlan_map(struct mv88e6xxx_chip *chip, int port)
} else {
for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
/* allow sending frames to every group member */
if (bridge && chip->ports[i].bridge_dev == bridge)
if (bridge && ds->ports[i].bridge_dev == bridge)
output_ports |= BIT(i);
/* allow sending frames to CPU port and DSA link(s) */
@ -1820,17 +1820,17 @@ static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER)
continue;
if (chip->ports[i].bridge_dev ==
chip->ports[port].bridge_dev)
if (ds->ports[i].bridge_dev ==
ds->ports[port].bridge_dev)
break; /* same bridge, check next VLAN */
if (!chip->ports[i].bridge_dev)
if (!ds->ports[i].bridge_dev)
continue;
netdev_warn(ds->ports[port].netdev,
"hardware VLAN %d already used by %s\n",
vlan.vid,
netdev_name(chip->ports[i].bridge_dev));
netdev_name(ds->ports[i].bridge_dev));
err = -EOPNOTSUPP;
goto unlock;
}
@ -2320,18 +2320,16 @@ static int mv88e6xxx_port_fdb_dump(struct dsa_switch *ds, int port,
}
static int mv88e6xxx_port_bridge_join(struct dsa_switch *ds, int port,
struct net_device *bridge)
struct net_device *br)
{
struct mv88e6xxx_chip *chip = ds->priv;
int i, err = 0;
mutex_lock(&chip->reg_lock);
/* Assign the bridge and remap each port's VLANTable */
chip->ports[port].bridge_dev = bridge;
/* Remap each port's VLANTable */
for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
if (chip->ports[i].bridge_dev == bridge) {
if (ds->ports[i].bridge_dev == br) {
err = _mv88e6xxx_port_based_vlan_map(chip, i);
if (err)
break;
@ -2347,16 +2345,13 @@ static void mv88e6xxx_port_bridge_leave(struct dsa_switch *ds, int port,
struct net_device *br)
{
struct mv88e6xxx_chip *chip = ds->priv;
struct net_device *bridge = chip->ports[port].bridge_dev;
int i;
mutex_lock(&chip->reg_lock);
/* Unassign the bridge and remap each port's VLANTable */
chip->ports[port].bridge_dev = NULL;
/* Remap each port's VLANTable */
for (i = 0; i < mv88e6xxx_num_ports(chip); ++i)
if (i == port || chip->ports[i].bridge_dev == bridge)
if (i == port || ds->ports[i].bridge_dev == br)
if (_mv88e6xxx_port_based_vlan_map(chip, i))
netdev_warn(ds->ports[i].netdev,
"failed to remap\n");

6
drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
View File

@ -676,10 +676,6 @@ struct mv88e6xxx_vtu_entry {
struct mv88e6xxx_bus_ops;
struct mv88e6xxx_priv_port {
struct net_device *bridge_dev;
};
struct mv88e6xxx_irq {
u16 masked;
struct irq_chip chip;
@ -720,8 +716,6 @@ struct mv88e6xxx_chip {
*/
struct mutex stats_mutex;
struct mv88e6xxx_priv_port ports[DSA_MAX_PORTS];
/* A switch may have a GPIO line tied to its reset pin. Parse
* this from the device tree, and use it before performing
* switch soft reset.