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Merge branch 'dsa-mv88e6xxx-g2-cleanup-stp'

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Vivien Didelot says:

====================
net: dsa: mv88e6xxx: Global2 cleanup and STP

The Marvell switches registers are organized in distinct internal SMI
devices, such as PHY, Port, Global 1 or Global 2 registers sets.

Since not all chips support every registers sets or have slightly
differences in them (such as old 88E6060 or new 88E6390 likely to be
supported soon), make the setup code clearer now by removing a few
family checks and adding flags to describe the Global 2 registers map.

This patchset enables basic STP support and bridging on most chips when
getting rid of a few inconsistencies in chip descriptions (patch 1) and
add bridge Ageing Time support to DSA and the mv88e6xxx driver.

Changes v2 -> v3:
  - rename mv88e6xxx_update_write to mv88e6xxx_update
  - set fastest ageing time in use in the chip for multiple bridges,
    tested with a few printk

Changes v1 -> v2:
  - add a write helper for pointer-data Update registers
  - add ageing time support
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2016-07-19 19:42:02 -07:00
commit 5e31c7019f
4 changed files with 496 additions and 259 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

564
drivers/net/dsa/mv88e6xxx/chip.c
View File

@ -216,6 +216,32 @@ static int mv88e6xxx_write(struct mv88e6xxx_chip *chip,
return 0;
}
/* Indirect write to single pointer-data register with an Update bit */
static int mv88e6xxx_update(struct mv88e6xxx_chip *chip, int addr, int reg,
u16 update)
{
u16 val;
int i, err;
/* Wait until the previous operation is completed */
for (i = 0; i < 16; ++i) {
err = mv88e6xxx_read(chip, addr, reg, &val);
if (err)
return err;
if (!(val & BIT(15)))
break;
}
if (i == 16)
return -ETIMEDOUT;
/* Set the Update bit to trigger a write operation */
val = BIT(15) | update;
return mv88e6xxx_write(chip, addr, reg, val);
}
static int _mv88e6xxx_reg_read(struct mv88e6xxx_chip *chip, int addr, int reg)
{
u16 val;
@ -257,68 +283,6 @@ static int mv88e6xxx_reg_write(struct mv88e6xxx_chip *chip, int addr,
return ret;
}
static int mv88e6xxx_set_addr_direct(struct dsa_switch *ds, u8 *addr)
{
struct mv88e6xxx_chip *chip = ds_to_priv(ds);
int err;
err = mv88e6xxx_reg_write(chip, REG_GLOBAL, GLOBAL_MAC_01,
(addr[0] << 8) | addr[1]);
if (err)
return err;
err = mv88e6xxx_reg_write(chip, REG_GLOBAL, GLOBAL_MAC_23,
(addr[2] << 8) | addr[3]);
if (err)
return err;
return mv88e6xxx_reg_write(chip, REG_GLOBAL, GLOBAL_MAC_45,
(addr[4] << 8) | addr[5]);
}
static int mv88e6xxx_set_addr_indirect(struct dsa_switch *ds, u8 *addr)
{
struct mv88e6xxx_chip *chip = ds_to_priv(ds);
int ret;
int i;
for (i = 0; i < 6; i++) {
int j;
/* Write the MAC address byte. */
ret = mv88e6xxx_reg_write(chip, REG_GLOBAL2, GLOBAL2_SWITCH_MAC,
GLOBAL2_SWITCH_MAC_BUSY |
(i << 8) | addr[i]);
if (ret)
return ret;
/* Wait for the write to complete. */
for (j = 0; j < 16; j++) {
ret = mv88e6xxx_reg_read(chip, REG_GLOBAL2,
GLOBAL2_SWITCH_MAC);
if (ret < 0)
return ret;
if ((ret & GLOBAL2_SWITCH_MAC_BUSY) == 0)
break;
}
if (j == 16)
return -ETIMEDOUT;
}
return 0;
}
static int mv88e6xxx_set_addr(struct dsa_switch *ds, u8 *addr)
{
struct mv88e6xxx_chip *chip = ds_to_priv(ds);
if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_SWITCH_MAC))
return mv88e6xxx_set_addr_indirect(ds, addr);
else
return mv88e6xxx_set_addr_direct(ds, addr);
}
static int mv88e6xxx_mdio_read_direct(struct mv88e6xxx_chip *chip,
int addr, int regnum)
{
@ -1460,9 +1424,6 @@ static void mv88e6xxx_port_stp_state_set(struct dsa_switch *ds, int port,
int stp_state;
int err;
if (!mv88e6xxx_has(chip, MV88E6XXX_FLAG_PORTSTATE))
return;
switch (state) {
case BR_STATE_DISABLED:
stp_state = PORT_CONTROL_STATE_DISABLED;
@ -2398,11 +2359,6 @@ static int mv88e6xxx_port_fdb_prepare(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_fdb *fdb,
struct switchdev_trans *trans)
{
struct mv88e6xxx_chip *chip = ds_to_priv(ds);
if (!mv88e6xxx_has(chip, MV88E6XXX_FLAG_ATU))
return -EOPNOTSUPP;
/* We don't need any dynamic resource from the kernel (yet),
* so skip the prepare phase.
*/
@ -2418,9 +2374,6 @@ static void mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port,
GLOBAL_ATU_DATA_STATE_UC_STATIC;
struct mv88e6xxx_chip *chip = ds_to_priv(ds);
if (!mv88e6xxx_has(chip, MV88E6XXX_FLAG_ATU))
return;
mutex_lock(&chip->reg_lock);
if (_mv88e6xxx_port_fdb_load(chip, port, fdb->addr, fdb->vid, state))
netdev_err(ds->ports[port].netdev,
@ -2434,9 +2387,6 @@ static int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port,
struct mv88e6xxx_chip *chip = ds_to_priv(ds);
int ret;
if (!mv88e6xxx_has(chip, MV88E6XXX_FLAG_ATU))
return -EOPNOTSUPP;
mutex_lock(&chip->reg_lock);
ret = _mv88e6xxx_port_fdb_load(chip, port, fdb->addr, fdb->vid,
GLOBAL_ATU_DATA_STATE_UNUSED);
@ -2542,9 +2492,6 @@ static int mv88e6xxx_port_fdb_dump(struct dsa_switch *ds, int port,
u16 fid;
int err;
if (!mv88e6xxx_has(chip, MV88E6XXX_FLAG_ATU))
return -EOPNOTSUPP;
mutex_lock(&chip->reg_lock);
/* Dump port's default Filtering Information Database (VLAN ID 0) */
@ -2587,9 +2534,6 @@ static int mv88e6xxx_port_bridge_join(struct dsa_switch *ds, int port,
struct mv88e6xxx_chip *chip = ds_to_priv(ds);
int i, err = 0;
if (!mv88e6xxx_has(chip, MV88E6XXX_FLAG_VLANTABLE))
return -EOPNOTSUPP;
mutex_lock(&chip->reg_lock);
/* Assign the bridge and remap each port's VLANTable */
@ -2614,9 +2558,6 @@ static void mv88e6xxx_port_bridge_leave(struct dsa_switch *ds, int port)
struct net_device *bridge = chip->ports[port].bridge_dev;
int i;
if (!mv88e6xxx_has(chip, MV88E6XXX_FLAG_VLANTABLE))
return;
mutex_lock(&chip->reg_lock);
/* Unassign the bridge and remap each port's VLANTable */
@ -3016,13 +2957,70 @@ static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port)
return 0;
}
static int mv88e6xxx_setup_global(struct mv88e6xxx_chip *chip)
static int mv88e6xxx_g1_set_switch_mac(struct mv88e6xxx_chip *chip, u8 *addr)
{
int err;
err = mv88e6xxx_write(chip, REG_GLOBAL, GLOBAL_MAC_01,
(addr[0] << 8) | addr[1]);
if (err)
return err;
err = mv88e6xxx_write(chip, REG_GLOBAL, GLOBAL_MAC_23,
(addr[2] << 8) | addr[3]);
if (err)
return err;
return mv88e6xxx_write(chip, REG_GLOBAL, GLOBAL_MAC_45,
(addr[4] << 8) | addr[5]);
}
static int mv88e6xxx_g1_set_age_time(struct mv88e6xxx_chip *chip,
unsigned int msecs)
{
const unsigned int coeff = chip->info->age_time_coeff;
const unsigned int min = 0x01 * coeff;
const unsigned int max = 0xff * coeff;
u8 age_time;
u16 val;
int err;
if (msecs < min || msecs > max)
return -ERANGE;
/* Round to nearest multiple of coeff */
age_time = (msecs + coeff / 2) / coeff;
err = mv88e6xxx_read(chip, REG_GLOBAL, GLOBAL_ATU_CONTROL, &val);
if (err)
return err;
/* AgeTime is 11:4 bits */
val &= ~0xff0;
val |= age_time << 4;
return mv88e6xxx_write(chip, REG_GLOBAL, GLOBAL_ATU_CONTROL, val);
}
static int mv88e6xxx_set_ageing_time(struct dsa_switch *ds,
unsigned int ageing_time)
{
struct mv88e6xxx_chip *chip = ds_to_priv(ds);
int err;
mutex_lock(&chip->reg_lock);
err = mv88e6xxx_g1_set_age_time(chip, ageing_time);
mutex_unlock(&chip->reg_lock);
return err;
}
static int mv88e6xxx_g1_setup(struct mv88e6xxx_chip *chip)
{
struct dsa_switch *ds = chip->ds;
u32 upstream_port = dsa_upstream_port(ds);
u16 reg;
int err;
int i;
/* Enable the PHY Polling Unit if present, don't discard any packets,
* and mask all interrupt sources.
@ -3054,12 +3052,26 @@ static int mv88e6xxx_setup_global(struct mv88e6xxx_chip *chip)
if (err)
return err;
/* Clear all the VTU and STU entries */
err = _mv88e6xxx_vtu_stu_flush(chip);
if (err < 0)
return err;
/* Set the default address aging time to 5 minutes, and
* enable address learn messages to be sent to all message
* ports.
*/
err = _mv88e6xxx_reg_write(chip, REG_GLOBAL, GLOBAL_ATU_CONTROL,
0x0140 | GLOBAL_ATU_CONTROL_LEARN2ALL);
err = mv88e6xxx_write(chip, REG_GLOBAL, GLOBAL_ATU_CONTROL,
GLOBAL_ATU_CONTROL_LEARN2ALL);
if (err)
return err;
err = mv88e6xxx_g1_set_age_time(chip, 300000);
if (err)
return err;
/* Clear all ATU entries */
err = _mv88e6xxx_atu_flush(chip, 0, true);
if (err)
return err;
@ -3094,109 +3106,6 @@ static int mv88e6xxx_setup_global(struct mv88e6xxx_chip *chip)
if (err)
return err;
/* Send all frames with destination addresses matching
* 01:80:c2:00:00:0x to the CPU port.
*/
err = _mv88e6xxx_reg_write(chip, REG_GLOBAL2, GLOBAL2_MGMT_EN_0X,
0xffff);
if (err)
return err;
/* Ignore removed tag data on doubly tagged packets, disable
* flow control messages, force flow control priority to the
* highest, and send all special multicast frames to the CPU
* port at the highest priority.
*/
err = _mv88e6xxx_reg_write(chip, REG_GLOBAL2, GLOBAL2_SWITCH_MGMT,
0x7 | GLOBAL2_SWITCH_MGMT_RSVD2CPU | 0x70 |
GLOBAL2_SWITCH_MGMT_FORCE_FLOW_CTRL_PRI);
if (err)
return err;
/* Program the DSA routing table. */
for (i = 0; i < 32; i++) {
int nexthop = 0x1f;
if (i != ds->index && i < DSA_MAX_SWITCHES)
nexthop = ds->rtable[i] & 0x1f;
err = _mv88e6xxx_reg_write(
chip, REG_GLOBAL2,
GLOBAL2_DEVICE_MAPPING,
GLOBAL2_DEVICE_MAPPING_UPDATE |
(i << GLOBAL2_DEVICE_MAPPING_TARGET_SHIFT) | nexthop);
if (err)
return err;
}
/* Clear all trunk masks. */
for (i = 0; i < 8; i++) {
err = _mv88e6xxx_reg_write(chip, REG_GLOBAL2,
GLOBAL2_TRUNK_MASK,
0x8000 |
(i << GLOBAL2_TRUNK_MASK_NUM_SHIFT) |
((1 << chip->info->num_ports) - 1));
if (err)
return err;
}
/* Clear all trunk mappings. */
for (i = 0; i < 16; i++) {
err = _mv88e6xxx_reg_write(
chip, REG_GLOBAL2,
GLOBAL2_TRUNK_MAPPING,
GLOBAL2_TRUNK_MAPPING_UPDATE |
(i << GLOBAL2_TRUNK_MAPPING_ID_SHIFT));
if (err)
return err;
}
if (mv88e6xxx_6352_family(chip) || mv88e6xxx_6351_family(chip) ||
mv88e6xxx_6165_family(chip) || mv88e6xxx_6097_family(chip) ||
mv88e6xxx_6320_family(chip)) {
/* Send all frames with destination addresses matching
* 01:80:c2:00:00:2x to the CPU port.
*/
err = _mv88e6xxx_reg_write(chip, REG_GLOBAL2,
GLOBAL2_MGMT_EN_2X, 0xffff);
if (err)
return err;
/* Initialise cross-chip port VLAN table to reset
* defaults.
*/
err = _mv88e6xxx_reg_write(chip, REG_GLOBAL2,
GLOBAL2_PVT_ADDR, 0x9000);
if (err)
return err;
/* Clear the priority override table. */
for (i = 0; i < 16; i++) {
err = _mv88e6xxx_reg_write(chip, REG_GLOBAL2,
GLOBAL2_PRIO_OVERRIDE,
0x8000 | (i << 8));
if (err)
return err;
}
}
if (mv88e6xxx_6352_family(chip) || mv88e6xxx_6351_family(chip) ||
mv88e6xxx_6165_family(chip) || mv88e6xxx_6097_family(chip) ||
mv88e6xxx_6185_family(chip) || mv88e6xxx_6095_family(chip) ||
mv88e6xxx_6320_family(chip)) {
/* Disable ingress rate limiting by resetting all
* ingress rate limit registers to their initial
* state.
*/
for (i = 0; i < chip->info->num_ports; i++) {
err = _mv88e6xxx_reg_write(chip, REG_GLOBAL2,
GLOBAL2_INGRESS_OP,
0x9000 | (i << 8));
if (err)
return err;
}
}
/* Clear the statistics counters for all ports */
err = _mv88e6xxx_reg_write(chip, REG_GLOBAL, GLOBAL_STATS_OP,
GLOBAL_STATS_OP_FLUSH_ALL);
@ -3208,17 +3117,223 @@ static int mv88e6xxx_setup_global(struct mv88e6xxx_chip *chip)
if (err)
return err;
/* Clear all ATU entries */
err = _mv88e6xxx_atu_flush(chip, 0, true);
return 0;
}
static int mv88e6xxx_g2_device_mapping_write(struct mv88e6xxx_chip *chip,
int target, int port)
{
u16 val = (target << 8) | (port & 0xf);
return mv88e6xxx_update(chip, REG_GLOBAL2, GLOBAL2_DEVICE_MAPPING, val);
}
static int mv88e6xxx_g2_set_device_mapping(struct mv88e6xxx_chip *chip)
{
int target, port;
int err;
/* Initialize the routing port to the 32 possible target devices */
for (target = 0; target < 32; ++target) {
port = 0xf;
if (target < DSA_MAX_SWITCHES) {
port = chip->ds->rtable[target];
if (port == DSA_RTABLE_NONE)
port = 0xf;
}
err = mv88e6xxx_g2_device_mapping_write(chip, target, port);
if (err)
break;
}
return err;
}
static int mv88e6xxx_g2_trunk_mask_write(struct mv88e6xxx_chip *chip, int num,
bool hask, u16 mask)
{
const u16 port_mask = BIT(chip->info->num_ports) - 1;
u16 val = (num << 12) | (mask & port_mask);
if (hask)
val |= GLOBAL2_TRUNK_MASK_HASK;
return mv88e6xxx_update(chip, REG_GLOBAL2, GLOBAL2_TRUNK_MASK, val);
}
static int mv88e6xxx_g2_trunk_mapping_write(struct mv88e6xxx_chip *chip, int id,
u16 map)
{
const u16 port_mask = BIT(chip->info->num_ports) - 1;
u16 val = (id << 11) | (map & port_mask);
return mv88e6xxx_update(chip, REG_GLOBAL2, GLOBAL2_TRUNK_MAPPING, val);
}
static int mv88e6xxx_g2_clear_trunk(struct mv88e6xxx_chip *chip)
{
const u16 port_mask = BIT(chip->info->num_ports) - 1;
int i, err;
/* Clear all eight possible Trunk Mask vectors */
for (i = 0; i < 8; ++i) {
err = mv88e6xxx_g2_trunk_mask_write(chip, i, false, port_mask);
if (err)
return err;
}
/* Clear all sixteen possible Trunk ID routing vectors */
for (i = 0; i < 16; ++i) {
err = mv88e6xxx_g2_trunk_mapping_write(chip, i, 0);
if (err)
return err;
}
return 0;
}
static int mv88e6xxx_g2_clear_irl(struct mv88e6xxx_chip *chip)
{
int port, err;
/* Init all Ingress Rate Limit resources of all ports */
for (port = 0; port < chip->info->num_ports; ++port) {
/* XXX newer chips (like 88E6390) have different 2-bit ops */
err = mv88e6xxx_write(chip, REG_GLOBAL2, GLOBAL2_IRL_CMD,
GLOBAL2_IRL_CMD_OP_INIT_ALL |
(port << 8));
if (err)
break;
/* Wait for the operation to complete */
err = _mv88e6xxx_wait(chip, REG_GLOBAL2, GLOBAL2_IRL_CMD,
GLOBAL2_IRL_CMD_BUSY);
if (err)
break;
}
return err;
}
/* Indirect write to the Switch MAC/WoL/WoF register */
static int mv88e6xxx_g2_switch_mac_write(struct mv88e6xxx_chip *chip,
unsigned int pointer, u8 data)
{
u16 val = (pointer << 8) | data;
return mv88e6xxx_update(chip, REG_GLOBAL2, GLOBAL2_SWITCH_MAC, val);
}
static int mv88e6xxx_g2_set_switch_mac(struct mv88e6xxx_chip *chip, u8 *addr)
{
int i, err;
for (i = 0; i < 6; i++) {
err = mv88e6xxx_g2_switch_mac_write(chip, i, addr[i]);
if (err)
break;
}
return err;
}
static int mv88e6xxx_g2_pot_write(struct mv88e6xxx_chip *chip, int pointer,
u8 data)
{
u16 val = (pointer << 8) | (data & 0x7);
return mv88e6xxx_update(chip, REG_GLOBAL2, GLOBAL2_PRIO_OVERRIDE, val);
}
static int mv88e6xxx_g2_clear_pot(struct mv88e6xxx_chip *chip)
{
int i, err;
/* Clear all sixteen possible Priority Override entries */
for (i = 0; i < 16; i++) {
err = mv88e6xxx_g2_pot_write(chip, i, 0);
if (err)
break;
}
return err;
}
static int mv88e6xxx_g2_setup(struct mv88e6xxx_chip *chip)
{
u16 reg;
int err;
if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G2_MGMT_EN_2X)) {
/* Consider the frames with reserved multicast destination
* addresses matching 01:80:c2:00:00:2x as MGMT.
*/
err = mv88e6xxx_write(chip, REG_GLOBAL2, GLOBAL2_MGMT_EN_2X,
0xffff);
if (err)
return err;
}
if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G2_MGMT_EN_0X)) {
/* Consider the frames with reserved multicast destination
* addresses matching 01:80:c2:00:00:0x as MGMT.
*/
err = mv88e6xxx_write(chip, REG_GLOBAL2, GLOBAL2_MGMT_EN_0X,
0xffff);
if (err)
return err;
}
/* Ignore removed tag data on doubly tagged packets, disable
* flow control messages, force flow control priority to the
* highest, and send all special multicast frames to the CPU
* port at the highest priority.
*/
reg = GLOBAL2_SWITCH_MGMT_FORCE_FLOW_CTRL_PRI | (0x7 << 4);
if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G2_MGMT_EN_0X) ||
mv88e6xxx_has(chip, MV88E6XXX_FLAG_G2_MGMT_EN_2X))
reg |= GLOBAL2_SWITCH_MGMT_RSVD2CPU | 0x7;
err = mv88e6xxx_write(chip, REG_GLOBAL2, GLOBAL2_SWITCH_MGMT, reg);
if (err)
return err;
/* Clear all the VTU and STU entries */
err = _mv88e6xxx_vtu_stu_flush(chip);
if (err < 0)
/* Program the DSA routing table. */
err = mv88e6xxx_g2_set_device_mapping(chip);
if (err)
return err;
return err;
/* Clear all trunk masks and mapping. */
err = mv88e6xxx_g2_clear_trunk(chip);
if (err)
return err;
if (mv88e6xxx_has(chip, MV88E6XXX_FLAGS_IRL)) {
/* Disable ingress rate limiting by resetting all per port
* ingress rate limit resources to their initial state.
*/
err = mv88e6xxx_g2_clear_irl(chip);
if (err)
return err;
}
if (mv88e6xxx_has(chip, MV88E6XXX_FLAGS_PVT)) {
/* Initialize Cross-chip Port VLAN Table to reset defaults */
err = mv88e6xxx_write(chip, REG_GLOBAL2, GLOBAL2_PVT_ADDR,
GLOBAL2_PVT_ADDR_OP_INIT_ONES);
if (err)
return err;
}
if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G2_POT)) {
/* Clear the priority override table. */
err = mv88e6xxx_g2_clear_pot(chip);
if (err)
return err;
}
return 0;
}
static int mv88e6xxx_setup(struct dsa_switch *ds)
@ -3239,22 +3354,49 @@ static int mv88e6xxx_setup(struct dsa_switch *ds)
if (err)
goto unlock;
err = mv88e6xxx_setup_global(chip);
if (err)
goto unlock;
/* Setup Switch Port Registers */
for (i = 0; i < chip->info->num_ports; i++) {
err = mv88e6xxx_setup_port(chip, i);
if (err)
goto unlock;
}
/* Setup Switch Global 1 Registers */
err = mv88e6xxx_g1_setup(chip);
if (err)
goto unlock;
/* Setup Switch Global 2 Registers */
if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_GLOBAL2)) {
err = mv88e6xxx_g2_setup(chip);
if (err)
goto unlock;
}
unlock:
mutex_unlock(&chip->reg_lock);
return err;
}
static int mv88e6xxx_set_addr(struct dsa_switch *ds, u8 *addr)
{
struct mv88e6xxx_chip *chip = ds_to_priv(ds);
int err;
mutex_lock(&chip->reg_lock);
/* Has an indirect Switch MAC/WoL/WoF register in Global 2? */
if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G2_SWITCH_MAC))
err = mv88e6xxx_g2_set_switch_mac(chip, addr);
else
err = mv88e6xxx_g1_set_switch_mac(chip, addr);
mutex_unlock(&chip->reg_lock);
return err;
}
static int mv88e6xxx_mdio_page_read(struct dsa_switch *ds, int port, int page,
int reg)
{
@ -3536,6 +3678,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.num_databases = 4096,
.num_ports = 10,
.port_base_addr = 0x10,
.age_time_coeff = 15000,
.flags = MV88E6XXX_FLAGS_FAMILY_6097,
},
@ -3546,6 +3689,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.num_databases = 256,
.num_ports = 11,
.port_base_addr = 0x10,
.age_time_coeff = 15000,
.flags = MV88E6XXX_FLAGS_FAMILY_6095,
},
@ -3556,6 +3700,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.num_databases = 4096,
.num_ports = 3,
.port_base_addr = 0x10,
.age_time_coeff = 15000,
.flags = MV88E6XXX_FLAGS_FAMILY_6165,
},
@ -3566,6 +3711,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.num_databases = 256,
.num_ports = 8,
.port_base_addr = 0x10,
.age_time_coeff = 15000,
.flags = MV88E6XXX_FLAGS_FAMILY_6185,
},
@ -3576,6 +3722,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.num_databases = 4096,
.num_ports = 6,
.port_base_addr = 0x10,
.age_time_coeff = 15000,
.flags = MV88E6XXX_FLAGS_FAMILY_6165,
},
@ -3586,6 +3733,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.num_databases = 4096,
.num_ports = 6,
.port_base_addr = 0x10,
.age_time_coeff = 15000,
.flags = MV88E6XXX_FLAGS_FAMILY_6165,
},
@ -3596,6 +3744,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.num_databases = 4096,
.num_ports = 7,
.port_base_addr = 0x10,
.age_time_coeff = 15000,
.flags = MV88E6XXX_FLAGS_FAMILY_6351,
},
@ -3606,6 +3755,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.num_databases = 4096,
.num_ports = 7,
.port_base_addr = 0x10,
.age_time_coeff = 15000,
.flags = MV88E6XXX_FLAGS_FAMILY_6352,
},
@ -3616,6 +3766,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.num_databases = 4096,
.num_ports = 7,
.port_base_addr = 0x10,
.age_time_coeff = 15000,
.flags = MV88E6XXX_FLAGS_FAMILY_6351,
},
@ -3626,6 +3777,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.num_databases = 4096,
.num_ports = 7,
.port_base_addr = 0x10,
.age_time_coeff = 15000,
.flags = MV88E6XXX_FLAGS_FAMILY_6352,
},
@ -3636,6 +3788,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.num_databases = 256,
.num_ports = 10,
.port_base_addr = 0x10,
.age_time_coeff = 15000,
.flags = MV88E6XXX_FLAGS_FAMILY_6185,
},
@ -3646,6 +3799,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.num_databases = 4096,
.num_ports = 7,
.port_base_addr = 0x10,
.age_time_coeff = 15000,
.flags = MV88E6XXX_FLAGS_FAMILY_6352,
},
@ -3656,6 +3810,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.num_databases = 4096,
.num_ports = 7,
.port_base_addr = 0x10,
.age_time_coeff = 15000,
.flags = MV88E6XXX_FLAGS_FAMILY_6320,
},
@ -3666,6 +3821,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.num_databases = 4096,
.num_ports = 7,
.port_base_addr = 0x10,
.age_time_coeff = 15000,
.flags = MV88E6XXX_FLAGS_FAMILY_6320,
},
@ -3676,6 +3832,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.num_databases = 4096,
.num_ports = 7,
.port_base_addr = 0x10,
.age_time_coeff = 15000,
.flags = MV88E6XXX_FLAGS_FAMILY_6351,
},
@ -3686,6 +3843,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.num_databases = 4096,
.num_ports = 7,
.port_base_addr = 0x10,
.age_time_coeff = 15000,
.flags = MV88E6XXX_FLAGS_FAMILY_6351,
},
@ -3696,6 +3854,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.num_databases = 4096,
.num_ports = 7,
.port_base_addr = 0x10,
.age_time_coeff = 15000,
.flags = MV88E6XXX_FLAGS_FAMILY_6352,
},
};
@ -3834,6 +3993,7 @@ static struct dsa_switch_driver mv88e6xxx_switch_driver = {
.set_eeprom = mv88e6xxx_set_eeprom,
.get_regs_len = mv88e6xxx_get_regs_len,
.get_regs = mv88e6xxx_get_regs,
.set_ageing_time = mv88e6xxx_set_ageing_time,
.port_bridge_join = mv88e6xxx_port_bridge_join,
.port_bridge_leave = mv88e6xxx_port_bridge_leave,
.port_stp_state_set = mv88e6xxx_port_stp_state_set,

148
drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
View File

@ -294,15 +294,24 @@
#define GLOBAL2_TRUNK_MASK 0x07
#define GLOBAL2_TRUNK_MASK_UPDATE BIT(15)
#define GLOBAL2_TRUNK_MASK_NUM_SHIFT 12
#define GLOBAL2_TRUNK_MASK_HASK BIT(11)
#define GLOBAL2_TRUNK_MAPPING 0x08
#define GLOBAL2_TRUNK_MAPPING_UPDATE BIT(15)
#define GLOBAL2_TRUNK_MAPPING_ID_SHIFT 11
#define GLOBAL2_INGRESS_OP 0x09
#define GLOBAL2_INGRESS_DATA 0x0a
#define GLOBAL2_IRL_CMD 0x09
#define GLOBAL2_IRL_CMD_BUSY BIT(15)
#define GLOBAL2_IRL_CMD_OP_INIT_ALL ((0x001 << 12) | GLOBAL2_IRL_CMD_BUSY)
#define GLOBAL2_IRL_CMD_OP_INIT_SEL ((0x010 << 12) | GLOBAL2_IRL_CMD_BUSY)
#define GLOBAL2_IRL_CMD_OP_WRITE_SEL ((0x011 << 12) | GLOBAL2_IRL_CMD_BUSY)
#define GLOBAL2_IRL_CMD_OP_READ_SEL ((0x100 << 12) | GLOBAL2_IRL_CMD_BUSY)
#define GLOBAL2_IRL_DATA 0x0a
#define GLOBAL2_PVT_ADDR 0x0b
#define GLOBAL2_PVT_ADDR_BUSY BIT(15)
#define GLOBAL2_PVT_ADDR_OP_INIT_ONES ((0x01 << 12) | GLOBAL2_PVT_ADDR_BUSY)
#define GLOBAL2_PVT_ADDR_OP_WRITE_PVLAN ((0x03 << 12) | GLOBAL2_PVT_ADDR_BUSY)
#define GLOBAL2_PVT_ADDR_OP_READ ((0x04 << 12) | GLOBAL2_PVT_ADDR_BUSY)
#define GLOBAL2_PVT_DATA 0x0c
#define GLOBAL2_SWITCH_MAC 0x0d
#define GLOBAL2_SWITCH_MAC_BUSY BIT(15)
#define GLOBAL2_ATU_STATS 0x0e
#define GLOBAL2_PRIO_OVERRIDE 0x0f
#define GLOBAL2_PRIO_OVERRIDE_FORCE_SNOOP BIT(7)
@ -374,11 +383,6 @@ enum mv88e6xxx_family {
};
enum mv88e6xxx_cap {
/* Address Translation Unit.
* The ATU is used to lookup and learn MAC addresses. See GLOBAL_ATU_OP.
*/
MV88E6XXX_CAP_ATU,
/* Energy Efficient Ethernet.
*/
MV88E6XXX_CAP_EEE,
@ -388,17 +392,25 @@ enum mv88e6xxx_cap {
*/
MV88E6XXX_CAP_EEPROM,
/* Switch Global 2 Registers.
* The device contains a second set of global 16-bit registers.
*/
MV88E6XXX_CAP_GLOBAL2,
MV88E6XXX_CAP_G2_MGMT_EN_2X, /* (0x02) MGMT Enable Register 2x */
MV88E6XXX_CAP_G2_MGMT_EN_0X, /* (0x03) MGMT Enable Register 0x */
MV88E6XXX_CAP_G2_IRL_CMD, /* (0x09) Ingress Rate Command */
MV88E6XXX_CAP_G2_IRL_DATA, /* (0x0a) Ingress Rate Data */
MV88E6XXX_CAP_G2_PVT_ADDR, /* (0x0b) Cross Chip Port VLAN Addr */
MV88E6XXX_CAP_G2_PVT_DATA, /* (0x0c) Cross Chip Port VLAN Data */
MV88E6XXX_CAP_G2_SWITCH_MAC, /* (0x0d) Switch MAC/WoL/WoF */
MV88E6XXX_CAP_G2_POT, /* (0x0f) Priority Override Table */
/* Multi-chip Addressing Mode.
* Some chips require an indirect SMI access when their SMI device
* address is not zero. See SMI_CMD and SMI_DATA.
*/
MV88E6XXX_CAP_MULTI_CHIP,
/* Port State Filtering for 802.1D Spanning Tree.
* See PORT_CONTROL_STATE_* values in the PORT_CONTROL register.
*/
MV88E6XXX_CAP_PORTSTATE,
/* PHY Polling Unit.
* See GLOBAL_CONTROL_PPU_ENABLE and GLOBAL_STATUS_PPU_POLLING.
*/
@ -417,25 +429,12 @@ enum mv88e6xxx_cap {
*/
MV88E6XXX_CAP_STU,
/* Switch MAC/WoL/WoF register.
* This requires an indirect access to set the switch MAC address
* through GLOBAL2_SWITCH_MAC, otherwise GLOBAL_MAC_01, GLOBAL_MAC_23,
* and GLOBAL_MAC_45 are used with a direct access.
*/
MV88E6XXX_CAP_SWITCH_MAC_WOL_WOF,
/* Internal temperature sensor.
* Available from any enabled port's PHY register 26, page 6.
*/
MV88E6XXX_CAP_TEMP,
MV88E6XXX_CAP_TEMP_LIMIT,
/* In-chip Port Based VLANs.
* Each port VLANTable register (see PORT_BASE_VLAN) is used to restrict
* the output (or egress) ports to which it is allowed to send frames.
*/
MV88E6XXX_CAP_VLANTABLE,
/* VLAN Table Unit.
* The VTU is used to program 802.1Q VLANs. See GLOBAL_VTU_OP.
*/
@ -443,90 +442,124 @@ enum mv88e6xxx_cap {
};
/* Bitmask of capabilities */
#define MV88E6XXX_FLAG_ATU BIT(MV88E6XXX_CAP_ATU)
#define MV88E6XXX_FLAG_EEE BIT(MV88E6XXX_CAP_EEE)
#define MV88E6XXX_FLAG_EEPROM BIT(MV88E6XXX_CAP_EEPROM)
#define MV88E6XXX_FLAG_GLOBAL2 BIT(MV88E6XXX_CAP_GLOBAL2)
#define MV88E6XXX_FLAG_G2_MGMT_EN_2X BIT(MV88E6XXX_CAP_G2_MGMT_EN_2X)
#define MV88E6XXX_FLAG_G2_MGMT_EN_0X BIT(MV88E6XXX_CAP_G2_MGMT_EN_0X)
#define MV88E6XXX_FLAG_G2_IRL_CMD BIT(MV88E6XXX_CAP_G2_IRL_CMD)
#define MV88E6XXX_FLAG_G2_IRL_DATA BIT(MV88E6XXX_CAP_G2_IRL_DATA)
#define MV88E6XXX_FLAG_G2_PVT_ADDR BIT(MV88E6XXX_CAP_G2_PVT_ADDR)
#define MV88E6XXX_FLAG_G2_PVT_DATA BIT(MV88E6XXX_CAP_G2_PVT_DATA)
#define MV88E6XXX_FLAG_G2_SWITCH_MAC BIT(MV88E6XXX_CAP_G2_SWITCH_MAC)
#define MV88E6XXX_FLAG_G2_POT BIT(MV88E6XXX_CAP_G2_POT)
#define MV88E6XXX_FLAG_MULTI_CHIP BIT(MV88E6XXX_CAP_MULTI_CHIP)
#define MV88E6XXX_FLAG_PORTSTATE BIT(MV88E6XXX_CAP_PORTSTATE)
#define MV88E6XXX_FLAG_PPU BIT(MV88E6XXX_CAP_PPU)
#define MV88E6XXX_FLAG_PPU_ACTIVE BIT(MV88E6XXX_CAP_PPU_ACTIVE)
#define MV88E6XXX_FLAG_SMI_PHY BIT(MV88E6XXX_CAP_SMI_PHY)
#define MV88E6XXX_FLAG_STU BIT(MV88E6XXX_CAP_STU)
#define MV88E6XXX_FLAG_SWITCH_MAC BIT(MV88E6XXX_CAP_SWITCH_MAC_WOL_WOF)
#define MV88E6XXX_FLAG_TEMP BIT(MV88E6XXX_CAP_TEMP)
#define MV88E6XXX_FLAG_TEMP_LIMIT BIT(MV88E6XXX_CAP_TEMP_LIMIT)
#define MV88E6XXX_FLAG_VLANTABLE BIT(MV88E6XXX_CAP_VLANTABLE)
#define MV88E6XXX_FLAG_VTU BIT(MV88E6XXX_CAP_VTU)
/* Ingress Rate Limit unit */
#define MV88E6XXX_FLAGS_IRL \
(MV88E6XXX_FLAG_G2_IRL_CMD | \
MV88E6XXX_FLAG_G2_IRL_DATA)
/* Cross-chip Port VLAN Table */
#define MV88E6XXX_FLAGS_PVT \
(MV88E6XXX_FLAG_G2_PVT_ADDR | \
MV88E6XXX_FLAG_G2_PVT_DATA)
#define MV88E6XXX_FLAGS_FAMILY_6095 \
(MV88E6XXX_FLAG_ATU | \
(MV88E6XXX_FLAG_GLOBAL2 | \
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
MV88E6XXX_FLAG_MULTI_CHIP | \
MV88E6XXX_FLAG_PPU | \
MV88E6XXX_FLAG_VLANTABLE | \
MV88E6XXX_FLAG_VTU)
#define MV88E6XXX_FLAGS_FAMILY_6097 \
(MV88E6XXX_FLAG_ATU | \
(MV88E6XXX_FLAG_GLOBAL2 | \
MV88E6XXX_FLAG_G2_MGMT_EN_2X | \
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
MV88E6XXX_FLAG_G2_POT | \
MV88E6XXX_FLAG_MULTI_CHIP | \
MV88E6XXX_FLAG_PPU | \
MV88E6XXX_FLAG_STU | \
MV88E6XXX_FLAG_VLANTABLE | \
MV88E6XXX_FLAG_VTU)
MV88E6XXX_FLAG_VTU | \
MV88E6XXX_FLAGS_IRL | \
MV88E6XXX_FLAGS_PVT)
#define MV88E6XXX_FLAGS_FAMILY_6165 \
(MV88E6XXX_FLAG_MULTI_CHIP | \
(MV88E6XXX_FLAG_GLOBAL2 | \
MV88E6XXX_FLAG_G2_MGMT_EN_2X | \
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
MV88E6XXX_FLAG_G2_SWITCH_MAC | \
MV88E6XXX_FLAG_G2_POT | \
MV88E6XXX_FLAG_MULTI_CHIP | \
MV88E6XXX_FLAG_STU | \
MV88E6XXX_FLAG_SWITCH_MAC | \
MV88E6XXX_FLAG_TEMP | \
MV88E6XXX_FLAG_VTU)
MV88E6XXX_FLAG_VTU | \
MV88E6XXX_FLAGS_IRL | \
MV88E6XXX_FLAGS_PVT)
#define MV88E6XXX_FLAGS_FAMILY_6185 \
(MV88E6XXX_FLAG_ATU | \
(MV88E6XXX_FLAG_GLOBAL2 | \
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
MV88E6XXX_FLAG_MULTI_CHIP | \
MV88E6XXX_FLAG_PPU | \
MV88E6XXX_FLAG_VLANTABLE | \
MV88E6XXX_FLAG_VTU)
#define MV88E6XXX_FLAGS_FAMILY_6320 \
(MV88E6XXX_FLAG_ATU | \
MV88E6XXX_FLAG_EEE | \
(MV88E6XXX_FLAG_EEE | \
MV88E6XXX_FLAG_EEPROM | \
MV88E6XXX_FLAG_GLOBAL2 | \
MV88E6XXX_FLAG_G2_MGMT_EN_2X | \
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
MV88E6XXX_FLAG_G2_SWITCH_MAC | \
MV88E6XXX_FLAG_G2_POT | \
MV88E6XXX_FLAG_MULTI_CHIP | \
MV88E6XXX_FLAG_PORTSTATE | \
MV88E6XXX_FLAG_PPU_ACTIVE | \
MV88E6XXX_FLAG_SMI_PHY | \
MV88E6XXX_FLAG_SWITCH_MAC | \
MV88E6XXX_FLAG_TEMP | \
MV88E6XXX_FLAG_TEMP_LIMIT | \
MV88E6XXX_FLAG_VLANTABLE | \
MV88E6XXX_FLAG_VTU)
MV88E6XXX_FLAG_VTU | \
MV88E6XXX_FLAGS_IRL | \
MV88E6XXX_FLAGS_PVT)
#define MV88E6XXX_FLAGS_FAMILY_6351 \
(MV88E6XXX_FLAG_ATU | \
(MV88E6XXX_FLAG_GLOBAL2 | \
MV88E6XXX_FLAG_G2_MGMT_EN_2X | \
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
MV88E6XXX_FLAG_G2_SWITCH_MAC | \
MV88E6XXX_FLAG_G2_POT | \
MV88E6XXX_FLAG_MULTI_CHIP | \
MV88E6XXX_FLAG_PORTSTATE | \
MV88E6XXX_FLAG_PPU_ACTIVE | \
MV88E6XXX_FLAG_SMI_PHY | \
MV88E6XXX_FLAG_STU | \
MV88E6XXX_FLAG_SWITCH_MAC | \
MV88E6XXX_FLAG_TEMP | \
MV88E6XXX_FLAG_VLANTABLE | \
MV88E6XXX_FLAG_VTU)
MV88E6XXX_FLAG_VTU | \
MV88E6XXX_FLAGS_IRL | \
MV88E6XXX_FLAGS_PVT)
#define MV88E6XXX_FLAGS_FAMILY_6352 \
(MV88E6XXX_FLAG_ATU | \
MV88E6XXX_FLAG_EEE | \
(MV88E6XXX_FLAG_EEE | \
MV88E6XXX_FLAG_EEPROM | \
MV88E6XXX_FLAG_GLOBAL2 | \
MV88E6XXX_FLAG_G2_MGMT_EN_2X | \
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
MV88E6XXX_FLAG_G2_SWITCH_MAC | \
MV88E6XXX_FLAG_G2_POT | \
MV88E6XXX_FLAG_MULTI_CHIP | \
MV88E6XXX_FLAG_PORTSTATE | \
MV88E6XXX_FLAG_PPU_ACTIVE | \
MV88E6XXX_FLAG_SMI_PHY | \
MV88E6XXX_FLAG_STU | \
MV88E6XXX_FLAG_SWITCH_MAC | \
MV88E6XXX_FLAG_TEMP | \
MV88E6XXX_FLAG_TEMP_LIMIT | \
MV88E6XXX_FLAG_VLANTABLE | \
MV88E6XXX_FLAG_VTU)
MV88E6XXX_FLAG_VTU | \
MV88E6XXX_FLAGS_IRL | \
MV88E6XXX_FLAGS_PVT)
struct mv88e6xxx_info {
enum mv88e6xxx_family family;
@ -535,6 +568,7 @@ struct mv88e6xxx_info {
unsigned int num_databases;
unsigned int num_ports;
unsigned int port_base_addr;
unsigned int age_time_coeff;
unsigned long flags;
};

2
include/net/dsa.h
View File

@ -141,6 +141,7 @@ struct dsa_switch_tree {
struct dsa_port {
struct net_device *netdev;
struct device_node *dn;
unsigned int ageing_time;
};
struct dsa_switch {
@ -329,6 +330,7 @@ struct dsa_switch_driver {
/*
* Bridge integration
*/
int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs);
int (*port_bridge_join)(struct dsa_switch *ds, int port,
struct net_device *bridge);
void (*port_bridge_leave)(struct dsa_switch *ds, int port);

41
net/dsa/slave.c
View File

@ -333,6 +333,44 @@ static int dsa_slave_vlan_filtering(struct net_device *dev,
return 0;
}
static int dsa_fastest_ageing_time(struct dsa_switch *ds,
unsigned int ageing_time)
{
int i;
for (i = 0; i < DSA_MAX_PORTS; ++i) {
struct dsa_port *dp = &ds->ports[i];
if (dp && dp->ageing_time && dp->ageing_time < ageing_time)
ageing_time = dp->ageing_time;
}
return ageing_time;
}
static int dsa_slave_ageing_time(struct net_device *dev,
const struct switchdev_attr *attr,
struct switchdev_trans *trans)
{
struct dsa_slave_priv *p = netdev_priv(dev);
struct dsa_switch *ds = p->parent;
unsigned long ageing_jiffies = clock_t_to_jiffies(attr->u.ageing_time);
unsigned int ageing_time = jiffies_to_msecs(ageing_jiffies);
/* bridge skips -EOPNOTSUPP, so skip the prepare phase */
if (switchdev_trans_ph_prepare(trans))
return 0;
/* Keep the fastest ageing time in case of multiple bridges */
ds->ports[p->port].ageing_time = ageing_time;
ageing_time = dsa_fastest_ageing_time(ds, ageing_time);
if (ds->drv->set_ageing_time)
return ds->drv->set_ageing_time(ds, ageing_time);
return 0;
}
static int dsa_slave_port_attr_set(struct net_device *dev,
const struct switchdev_attr *attr,
struct switchdev_trans *trans)
@ -346,6 +384,9 @@ static int dsa_slave_port_attr_set(struct net_device *dev,
case SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING:
ret = dsa_slave_vlan_filtering(dev, attr, trans);
break;
case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME:
ret = dsa_slave_ageing_time(dev, attr, trans);
break;
default:
ret = -EOPNOTSUPP;
break;