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path: root/drivers/net/dsa/mv88e6xxx/chip.c
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Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/chip.c')
-rw-r--r--drivers/net/dsa/mv88e6xxx/chip.c127
1 files changed, 95 insertions, 32 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 961fa6b75cad..c45ca2473743 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1221,14 +1221,36 @@ static u16 mv88e6xxx_port_vlan(struct mv88e6xxx_chip *chip, int dev, int port)
bool found = false;
u16 pvlan;
- list_for_each_entry(dp, &dst->ports, list) {
- if (dp->ds->index == dev && dp->index == port) {
+ /* dev is a physical switch */
+ if (dev <= dst->last_switch) {
+ list_for_each_entry(dp, &dst->ports, list) {
+ if (dp->ds->index == dev && dp->index == port) {
+ /* dp might be a DSA link or a user port, so it
+ * might or might not have a bridge_dev
+ * pointer. Use the "found" variable for both
+ * cases.
+ */
+ br = dp->bridge_dev;
+ found = true;
+ break;
+ }
+ }
+ /* dev is a virtual bridge */
+ } else {
+ list_for_each_entry(dp, &dst->ports, list) {
+ if (dp->bridge_num < 0)
+ continue;
+
+ if (dp->bridge_num + 1 + dst->last_switch != dev)
+ continue;
+
+ br = dp->bridge_dev;
found = true;
break;
}
}
- /* Prevent frames from unknown switch or port */
+ /* Prevent frames from unknown switch or virtual bridge */
if (!found)
return 0;
@@ -1236,7 +1258,6 @@ static u16 mv88e6xxx_port_vlan(struct mv88e6xxx_chip *chip, int dev, int port)
if (dp->type == DSA_PORT_TYPE_CPU || dp->type == DSA_PORT_TYPE_DSA)
return mv88e6xxx_port_mask(chip);
- br = dp->bridge_dev;
pvlan = 0;
/* Frames from user ports can egress any local DSA links and CPU ports,
@@ -2155,7 +2176,7 @@ static int mv88e6xxx_port_vlan_leave(struct mv88e6xxx_chip *chip,
int i, err;
if (!vid)
- return -EOPNOTSUPP;
+ return 0;
err = mv88e6xxx_vtu_get(chip, vid, &vlan);
if (err)
@@ -2422,6 +2443,44 @@ static void mv88e6xxx_crosschip_bridge_leave(struct dsa_switch *ds,
mv88e6xxx_reg_unlock(chip);
}
+/* Treat the software bridge as a virtual single-port switch behind the
+ * CPU and map in the PVT. First dst->last_switch elements are taken by
+ * physical switches, so start from beyond that range.
+ */
+static int mv88e6xxx_map_virtual_bridge_to_pvt(struct dsa_switch *ds,
+ int bridge_num)
+{
+ u8 dev = bridge_num + ds->dst->last_switch + 1;
+ struct mv88e6xxx_chip *chip = ds->priv;
+ int err;
+
+ mv88e6xxx_reg_lock(chip);
+ err = mv88e6xxx_pvt_map(chip, dev, 0);
+ mv88e6xxx_reg_unlock(chip);
+
+ return err;
+}
+
+static int mv88e6xxx_bridge_tx_fwd_offload(struct dsa_switch *ds, int port,
+ struct net_device *br,
+ int bridge_num)
+{
+ return mv88e6xxx_map_virtual_bridge_to_pvt(ds, bridge_num);
+}
+
+static void mv88e6xxx_bridge_tx_fwd_unoffload(struct dsa_switch *ds, int port,
+ struct net_device *br,
+ int bridge_num)
+{
+ int err;
+
+ err = mv88e6xxx_map_virtual_bridge_to_pvt(ds, bridge_num);
+ if (err) {
+ dev_err(ds->dev, "failed to remap cross-chip Port VLAN: %pe\n",
+ ERR_PTR(err));
+ }
+}
+
static int mv88e6xxx_software_reset(struct mv88e6xxx_chip *chip)
{
if (chip->info->ops->reset)
@@ -3025,6 +3084,15 @@ static int mv88e6xxx_setup(struct dsa_switch *ds)
chip->ds = ds;
ds->slave_mii_bus = mv88e6xxx_default_mdio_bus(chip);
+ /* Since virtual bridges are mapped in the PVT, the number we support
+ * depends on the physical switch topology. We need to let DSA figure
+ * that out and therefore we cannot set this at dsa_register_switch()
+ * time.
+ */
+ if (mv88e6xxx_has_pvt(chip))
+ ds->num_fwd_offloading_bridges = MV88E6XXX_MAX_PVT_SWITCHES -
+ ds->dst->last_switch - 1;
+
mv88e6xxx_reg_lock(chip);
if (chip->info->ops->setup_errata) {
@@ -3583,6 +3651,7 @@ static const struct mv88e6xxx_ops mv88e6141_ops = {
.port_set_speed_duplex = mv88e6341_port_set_speed_duplex,
.port_max_speed_mode = mv88e6341_port_max_speed_mode,
.port_tag_remap = mv88e6095_port_tag_remap,
+ .port_set_policy = mv88e6352_port_set_policy,
.port_set_frame_mode = mv88e6351_port_set_frame_mode,
.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
@@ -3596,7 +3665,7 @@ static const struct mv88e6xxx_ops mv88e6141_ops = {
.port_set_cmode = mv88e6341_port_set_cmode,
.port_setup_message_port = mv88e6xxx_setup_message_port,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
- .stats_set_histogram = mv88e6095_g1_stats_set_histogram,
+ .stats_set_histogram = mv88e6390_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
.stats_get_strings = mv88e6320_stats_get_strings,
.stats_get_stats = mv88e6390_stats_get_stats,
@@ -3606,6 +3675,9 @@ static const struct mv88e6xxx_ops mv88e6141_ops = {
.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
.pot_clear = mv88e6xxx_g2_pot_clear,
.reset = mv88e6352_g1_reset,
+ .rmu_disable = mv88e6390_g1_rmu_disable,
+ .atu_get_hash = mv88e6165_g1_atu_get_hash,
+ .atu_set_hash = mv88e6165_g1_atu_set_hash,
.vtu_getnext = mv88e6352_g1_vtu_getnext,
.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
.serdes_power = mv88e6390_serdes_power,
@@ -3619,6 +3691,11 @@ static const struct mv88e6xxx_ops mv88e6141_ops = {
.serdes_irq_enable = mv88e6390_serdes_irq_enable,
.serdes_irq_status = mv88e6390_serdes_irq_status,
.gpio_ops = &mv88e6352_gpio_ops,
+ .serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
+ .serdes_get_strings = mv88e6390_serdes_get_strings,
+ .serdes_get_stats = mv88e6390_serdes_get_stats,
+ .serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
+ .serdes_get_regs = mv88e6390_serdes_get_regs,
.phylink_validate = mv88e6341_phylink_validate,
};
@@ -4383,6 +4460,7 @@ static const struct mv88e6xxx_ops mv88e6341_ops = {
.port_set_speed_duplex = mv88e6341_port_set_speed_duplex,
.port_max_speed_mode = mv88e6341_port_max_speed_mode,
.port_tag_remap = mv88e6095_port_tag_remap,
+ .port_set_policy = mv88e6352_port_set_policy,
.port_set_frame_mode = mv88e6351_port_set_frame_mode,
.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
@@ -4396,7 +4474,7 @@ static const struct mv88e6xxx_ops mv88e6341_ops = {
.port_set_cmode = mv88e6341_port_set_cmode,
.port_setup_message_port = mv88e6xxx_setup_message_port,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
- .stats_set_histogram = mv88e6095_g1_stats_set_histogram,
+ .stats_set_histogram = mv88e6390_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
.stats_get_strings = mv88e6320_stats_get_strings,
.stats_get_stats = mv88e6390_stats_get_stats,
@@ -4406,6 +4484,9 @@ static const struct mv88e6xxx_ops mv88e6341_ops = {
.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
.pot_clear = mv88e6xxx_g2_pot_clear,
.reset = mv88e6352_g1_reset,
+ .rmu_disable = mv88e6390_g1_rmu_disable,
+ .atu_get_hash = mv88e6165_g1_atu_get_hash,
+ .atu_set_hash = mv88e6165_g1_atu_set_hash,
.vtu_getnext = mv88e6352_g1_vtu_getnext,
.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
.serdes_power = mv88e6390_serdes_power,
@@ -4421,6 +4502,11 @@ static const struct mv88e6xxx_ops mv88e6341_ops = {
.gpio_ops = &mv88e6352_gpio_ops,
.avb_ops = &mv88e6390_avb_ops,
.ptp_ops = &mv88e6352_ptp_ops,
+ .serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
+ .serdes_get_strings = mv88e6390_serdes_get_strings,
+ .serdes_get_stats = mv88e6390_serdes_get_stats,
+ .serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
+ .serdes_get_regs = mv88e6390_serdes_get_regs,
.phylink_validate = mv88e6341_phylink_validate,
};
@@ -5711,7 +5797,6 @@ static int mv88e6xxx_port_bridge_flags(struct dsa_switch *ds, int port,
struct netlink_ext_ack *extack)
{
struct mv88e6xxx_chip *chip = ds->priv;
- bool do_fast_age = false;
int err = -EOPNOTSUPP;
mv88e6xxx_reg_lock(chip);
@@ -5723,9 +5808,6 @@ static int mv88e6xxx_port_bridge_flags(struct dsa_switch *ds, int port,
err = mv88e6xxx_port_set_assoc_vector(chip, port, pav);
if (err)
goto out;
-
- if (!learning)
- do_fast_age = true;
}
if (flags.mask & BR_FLOOD) {
@@ -5757,26 +5839,6 @@ static int mv88e6xxx_port_bridge_flags(struct dsa_switch *ds, int port,
out:
mv88e6xxx_reg_unlock(chip);
- if (do_fast_age)
- mv88e6xxx_port_fast_age(ds, port);
-
- return err;
-}
-
-static int mv88e6xxx_port_set_mrouter(struct dsa_switch *ds, int port,
- bool mrouter,
- struct netlink_ext_ack *extack)
-{
- struct mv88e6xxx_chip *chip = ds->priv;
- int err;
-
- if (!chip->info->ops->port_set_mcast_flood)
- return -EOPNOTSUPP;
-
- mv88e6xxx_reg_lock(chip);
- err = chip->info->ops->port_set_mcast_flood(chip, port, mrouter);
- mv88e6xxx_reg_unlock(chip);
-
return err;
}
@@ -6081,7 +6143,6 @@ static const struct dsa_switch_ops mv88e6xxx_switch_ops = {
.port_bridge_leave = mv88e6xxx_port_bridge_leave,
.port_pre_bridge_flags = mv88e6xxx_port_pre_bridge_flags,
.port_bridge_flags = mv88e6xxx_port_bridge_flags,
- .port_set_mrouter = mv88e6xxx_port_set_mrouter,
.port_stp_state_set = mv88e6xxx_port_stp_state_set,
.port_fast_age = mv88e6xxx_port_fast_age,
.port_vlan_filtering = mv88e6xxx_port_vlan_filtering,
@@ -6110,6 +6171,8 @@ static const struct dsa_switch_ops mv88e6xxx_switch_ops = {
.crosschip_lag_change = mv88e6xxx_crosschip_lag_change,
.crosschip_lag_join = mv88e6xxx_crosschip_lag_join,
.crosschip_lag_leave = mv88e6xxx_crosschip_lag_leave,
+ .port_bridge_tx_fwd_offload = mv88e6xxx_bridge_tx_fwd_offload,
+ .port_bridge_tx_fwd_unoffload = mv88e6xxx_bridge_tx_fwd_unoffload,
};
static int mv88e6xxx_register_switch(struct mv88e6xxx_chip *chip)
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.