829 lines
19 KiB
C
829 lines
19 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <net/dsa.h>
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#include "chip.h"
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#include "devlink.h"
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#include "global1.h"
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#include "global2.h"
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#include "port.h"
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static int mv88e6xxx_atu_get_hash(struct mv88e6xxx_chip *chip, u8 *hash)
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{
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if (chip->info->ops->atu_get_hash)
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return chip->info->ops->atu_get_hash(chip, hash);
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return -EOPNOTSUPP;
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}
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static int mv88e6xxx_atu_set_hash(struct mv88e6xxx_chip *chip, u8 hash)
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{
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if (chip->info->ops->atu_set_hash)
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return chip->info->ops->atu_set_hash(chip, hash);
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return -EOPNOTSUPP;
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}
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enum mv88e6xxx_devlink_param_id {
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MV88E6XXX_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX,
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MV88E6XXX_DEVLINK_PARAM_ID_ATU_HASH,
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};
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int mv88e6xxx_devlink_param_get(struct dsa_switch *ds, u32 id,
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struct devlink_param_gset_ctx *ctx)
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{
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struct mv88e6xxx_chip *chip = ds->priv;
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int err;
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mv88e6xxx_reg_lock(chip);
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switch (id) {
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case MV88E6XXX_DEVLINK_PARAM_ID_ATU_HASH:
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err = mv88e6xxx_atu_get_hash(chip, &ctx->val.vu8);
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break;
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default:
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err = -EOPNOTSUPP;
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break;
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}
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mv88e6xxx_reg_unlock(chip);
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return err;
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}
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int mv88e6xxx_devlink_param_set(struct dsa_switch *ds, u32 id,
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struct devlink_param_gset_ctx *ctx)
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{
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struct mv88e6xxx_chip *chip = ds->priv;
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int err;
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mv88e6xxx_reg_lock(chip);
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switch (id) {
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case MV88E6XXX_DEVLINK_PARAM_ID_ATU_HASH:
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err = mv88e6xxx_atu_set_hash(chip, ctx->val.vu8);
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break;
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default:
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err = -EOPNOTSUPP;
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break;
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}
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mv88e6xxx_reg_unlock(chip);
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return err;
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}
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static const struct devlink_param mv88e6xxx_devlink_params[] = {
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DSA_DEVLINK_PARAM_DRIVER(MV88E6XXX_DEVLINK_PARAM_ID_ATU_HASH,
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"ATU_hash", DEVLINK_PARAM_TYPE_U8,
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BIT(DEVLINK_PARAM_CMODE_RUNTIME)),
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};
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int mv88e6xxx_setup_devlink_params(struct dsa_switch *ds)
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{
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return dsa_devlink_params_register(ds, mv88e6xxx_devlink_params,
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ARRAY_SIZE(mv88e6xxx_devlink_params));
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}
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void mv88e6xxx_teardown_devlink_params(struct dsa_switch *ds)
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{
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dsa_devlink_params_unregister(ds, mv88e6xxx_devlink_params,
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ARRAY_SIZE(mv88e6xxx_devlink_params));
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}
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enum mv88e6xxx_devlink_resource_id {
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MV88E6XXX_RESOURCE_ID_ATU,
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MV88E6XXX_RESOURCE_ID_ATU_BIN_0,
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MV88E6XXX_RESOURCE_ID_ATU_BIN_1,
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MV88E6XXX_RESOURCE_ID_ATU_BIN_2,
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MV88E6XXX_RESOURCE_ID_ATU_BIN_3,
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};
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static u64 mv88e6xxx_devlink_atu_bin_get(struct mv88e6xxx_chip *chip,
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u16 bin)
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{
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u16 occupancy = 0;
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int err;
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mv88e6xxx_reg_lock(chip);
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err = mv88e6xxx_g2_atu_stats_set(chip, MV88E6XXX_G2_ATU_STATS_MODE_ALL,
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bin);
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if (err) {
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dev_err(chip->dev, "failed to set ATU stats kind/bin\n");
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goto unlock;
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}
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err = mv88e6xxx_g1_atu_get_next(chip, 0);
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if (err) {
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dev_err(chip->dev, "failed to perform ATU get next\n");
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goto unlock;
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}
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err = mv88e6xxx_g2_atu_stats_get(chip, &occupancy);
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if (err) {
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dev_err(chip->dev, "failed to get ATU stats\n");
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goto unlock;
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}
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occupancy &= MV88E6XXX_G2_ATU_STATS_MASK;
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unlock:
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mv88e6xxx_reg_unlock(chip);
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return occupancy;
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}
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static u64 mv88e6xxx_devlink_atu_bin_0_get(void *priv)
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{
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struct mv88e6xxx_chip *chip = priv;
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return mv88e6xxx_devlink_atu_bin_get(chip,
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MV88E6XXX_G2_ATU_STATS_BIN_0);
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}
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static u64 mv88e6xxx_devlink_atu_bin_1_get(void *priv)
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{
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struct mv88e6xxx_chip *chip = priv;
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return mv88e6xxx_devlink_atu_bin_get(chip,
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MV88E6XXX_G2_ATU_STATS_BIN_1);
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}
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static u64 mv88e6xxx_devlink_atu_bin_2_get(void *priv)
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{
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struct mv88e6xxx_chip *chip = priv;
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return mv88e6xxx_devlink_atu_bin_get(chip,
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MV88E6XXX_G2_ATU_STATS_BIN_2);
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}
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static u64 mv88e6xxx_devlink_atu_bin_3_get(void *priv)
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{
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struct mv88e6xxx_chip *chip = priv;
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return mv88e6xxx_devlink_atu_bin_get(chip,
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MV88E6XXX_G2_ATU_STATS_BIN_3);
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}
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static u64 mv88e6xxx_devlink_atu_get(void *priv)
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{
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return mv88e6xxx_devlink_atu_bin_0_get(priv) +
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mv88e6xxx_devlink_atu_bin_1_get(priv) +
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mv88e6xxx_devlink_atu_bin_2_get(priv) +
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mv88e6xxx_devlink_atu_bin_3_get(priv);
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}
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int mv88e6xxx_setup_devlink_resources(struct dsa_switch *ds)
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{
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struct devlink_resource_size_params size_params;
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struct mv88e6xxx_chip *chip = ds->priv;
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int err;
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devlink_resource_size_params_init(&size_params,
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mv88e6xxx_num_macs(chip),
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mv88e6xxx_num_macs(chip),
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1, DEVLINK_RESOURCE_UNIT_ENTRY);
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err = dsa_devlink_resource_register(ds, "ATU",
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mv88e6xxx_num_macs(chip),
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MV88E6XXX_RESOURCE_ID_ATU,
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DEVLINK_RESOURCE_ID_PARENT_TOP,
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&size_params);
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if (err)
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goto out;
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devlink_resource_size_params_init(&size_params,
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mv88e6xxx_num_macs(chip) / 4,
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mv88e6xxx_num_macs(chip) / 4,
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1, DEVLINK_RESOURCE_UNIT_ENTRY);
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err = dsa_devlink_resource_register(ds, "ATU_bin_0",
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mv88e6xxx_num_macs(chip) / 4,
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MV88E6XXX_RESOURCE_ID_ATU_BIN_0,
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MV88E6XXX_RESOURCE_ID_ATU,
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&size_params);
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if (err)
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goto out;
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err = dsa_devlink_resource_register(ds, "ATU_bin_1",
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mv88e6xxx_num_macs(chip) / 4,
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MV88E6XXX_RESOURCE_ID_ATU_BIN_1,
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MV88E6XXX_RESOURCE_ID_ATU,
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&size_params);
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if (err)
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goto out;
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err = dsa_devlink_resource_register(ds, "ATU_bin_2",
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mv88e6xxx_num_macs(chip) / 4,
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MV88E6XXX_RESOURCE_ID_ATU_BIN_2,
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MV88E6XXX_RESOURCE_ID_ATU,
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&size_params);
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if (err)
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goto out;
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err = dsa_devlink_resource_register(ds, "ATU_bin_3",
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mv88e6xxx_num_macs(chip) / 4,
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MV88E6XXX_RESOURCE_ID_ATU_BIN_3,
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MV88E6XXX_RESOURCE_ID_ATU,
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&size_params);
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if (err)
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goto out;
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dsa_devlink_resource_occ_get_register(ds,
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MV88E6XXX_RESOURCE_ID_ATU,
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mv88e6xxx_devlink_atu_get,
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chip);
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dsa_devlink_resource_occ_get_register(ds,
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MV88E6XXX_RESOURCE_ID_ATU_BIN_0,
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mv88e6xxx_devlink_atu_bin_0_get,
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chip);
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dsa_devlink_resource_occ_get_register(ds,
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MV88E6XXX_RESOURCE_ID_ATU_BIN_1,
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mv88e6xxx_devlink_atu_bin_1_get,
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chip);
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dsa_devlink_resource_occ_get_register(ds,
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MV88E6XXX_RESOURCE_ID_ATU_BIN_2,
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mv88e6xxx_devlink_atu_bin_2_get,
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chip);
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dsa_devlink_resource_occ_get_register(ds,
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MV88E6XXX_RESOURCE_ID_ATU_BIN_3,
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mv88e6xxx_devlink_atu_bin_3_get,
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chip);
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return 0;
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out:
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dsa_devlink_resources_unregister(ds);
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return err;
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}
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static int mv88e6xxx_region_global_snapshot(struct devlink *dl,
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const struct devlink_region_ops *ops,
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struct netlink_ext_ack *extack,
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u8 **data)
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{
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struct mv88e6xxx_region_priv *region_priv = ops->priv;
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struct dsa_switch *ds = dsa_devlink_to_ds(dl);
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struct mv88e6xxx_chip *chip = ds->priv;
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u16 *registers;
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int i, err;
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registers = kmalloc_array(32, sizeof(u16), GFP_KERNEL);
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if (!registers)
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return -ENOMEM;
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mv88e6xxx_reg_lock(chip);
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for (i = 0; i < 32; i++) {
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switch (region_priv->id) {
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case MV88E6XXX_REGION_GLOBAL1:
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err = mv88e6xxx_g1_read(chip, i, ®isters[i]);
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break;
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case MV88E6XXX_REGION_GLOBAL2:
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err = mv88e6xxx_g2_read(chip, i, ®isters[i]);
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break;
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default:
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err = -EOPNOTSUPP;
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}
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if (err) {
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kfree(registers);
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goto out;
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}
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}
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*data = (u8 *)registers;
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out:
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mv88e6xxx_reg_unlock(chip);
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return err;
|
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}
|
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|
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|
||
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/* The ATU entry varies between mv88e6xxx chipset generations. Define
|
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* a generic format which covers all the current and hopefully future
|
||
|
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* mv88e6xxx generations
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*/
|
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|
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struct mv88e6xxx_devlink_atu_entry {
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/* The FID is scattered over multiple registers. */
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u16 fid;
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u16 atu_op;
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u16 atu_data;
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u16 atu_01;
|
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u16 atu_23;
|
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|
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u16 atu_45;
|
||
|
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};
|
||
|
|
|
||
|
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static int mv88e6xxx_region_atu_snapshot_fid(struct mv88e6xxx_chip *chip,
|
||
|
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int fid,
|
||
|
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struct mv88e6xxx_devlink_atu_entry *table,
|
||
|
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int *count)
|
||
|
|
{
|
||
|
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u16 atu_op, atu_data, atu_01, atu_23, atu_45;
|
||
|
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struct mv88e6xxx_atu_entry addr;
|
||
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int err;
|
||
|
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|
||
|
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addr.state = 0;
|
||
|
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eth_broadcast_addr(addr.mac);
|
||
|
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|
||
|
|
do {
|
||
|
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err = mv88e6xxx_g1_atu_getnext(chip, fid, &addr);
|
||
|
|
if (err)
|
||
|
|
return err;
|
||
|
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|
||
|
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if (!addr.state)
|
||
|
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break;
|
||
|
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|
||
|
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err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_ATU_OP, &atu_op);
|
||
|
|
if (err)
|
||
|
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return err;
|
||
|
|
|
||
|
|
err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_ATU_DATA, &atu_data);
|
||
|
|
if (err)
|
||
|
|
return err;
|
||
|
|
|
||
|
|
err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_ATU_MAC01, &atu_01);
|
||
|
|
if (err)
|
||
|
|
return err;
|
||
|
|
|
||
|
|
err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_ATU_MAC23, &atu_23);
|
||
|
|
if (err)
|
||
|
|
return err;
|
||
|
|
|
||
|
|
err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_ATU_MAC45, &atu_45);
|
||
|
|
if (err)
|
||
|
|
return err;
|
||
|
|
|
||
|
|
table[*count].fid = fid;
|
||
|
|
table[*count].atu_op = atu_op;
|
||
|
|
table[*count].atu_data = atu_data;
|
||
|
|
table[*count].atu_01 = atu_01;
|
||
|
|
table[*count].atu_23 = atu_23;
|
||
|
|
table[*count].atu_45 = atu_45;
|
||
|
|
(*count)++;
|
||
|
|
} while (!is_broadcast_ether_addr(addr.mac));
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int mv88e6xxx_region_atu_snapshot(struct devlink *dl,
|
||
|
|
const struct devlink_region_ops *ops,
|
||
|
|
struct netlink_ext_ack *extack,
|
||
|
|
u8 **data)
|
||
|
|
{
|
||
|
|
struct dsa_switch *ds = dsa_devlink_to_ds(dl);
|
||
|
|
DECLARE_BITMAP(fid_bitmap, MV88E6XXX_N_FID);
|
||
|
|
struct mv88e6xxx_devlink_atu_entry *table;
|
||
|
|
struct mv88e6xxx_chip *chip = ds->priv;
|
||
|
|
int fid = -1, count, err;
|
||
|
|
|
||
|
|
table = kmalloc_array(mv88e6xxx_num_databases(chip),
|
||
|
|
sizeof(struct mv88e6xxx_devlink_atu_entry),
|
||
|
|
GFP_KERNEL);
|
||
|
|
if (!table)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
memset(table, 0, mv88e6xxx_num_databases(chip) *
|
||
|
|
sizeof(struct mv88e6xxx_devlink_atu_entry));
|
||
|
|
|
||
|
|
count = 0;
|
||
|
|
|
||
|
|
mv88e6xxx_reg_lock(chip);
|
||
|
|
|
||
|
|
err = mv88e6xxx_fid_map(chip, fid_bitmap);
|
||
|
|
if (err) {
|
||
|
|
kfree(table);
|
||
|
|
goto out;
|
||
|
|
}
|
||
|
|
|
||
|
|
while (1) {
|
||
|
|
fid = find_next_bit(fid_bitmap, MV88E6XXX_N_FID, fid + 1);
|
||
|
|
if (fid == MV88E6XXX_N_FID)
|
||
|
|
break;
|
||
|
|
|
||
|
|
err = mv88e6xxx_region_atu_snapshot_fid(chip, fid, table,
|
||
|
|
&count);
|
||
|
|
if (err) {
|
||
|
|
kfree(table);
|
||
|
|
goto out;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
*data = (u8 *)table;
|
||
|
|
out:
|
||
|
|
mv88e6xxx_reg_unlock(chip);
|
||
|
|
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct mv88e6xxx_devlink_vtu_entry - Devlink VTU entry
|
||
|
|
* @fid: Global1/2: FID and VLAN policy.
|
||
|
|
* @sid: Global1/3: SID, unknown filters and learning.
|
||
|
|
* @op: Global1/5: FID (old chipsets).
|
||
|
|
* @vid: Global1/6: VID, valid, and page.
|
||
|
|
* @data: Global1/7-9: Membership data and priority override.
|
||
|
|
* @resvd: Reserved. Also happens to align the size to 16B.
|
||
|
|
*
|
||
|
|
* The VTU entry format varies between chipset generations, the
|
||
|
|
* descriptions above represent the superset of all possible
|
||
|
|
* information, not all fields are valid on all devices. Since this is
|
||
|
|
* a low-level debug interface, copy all data verbatim and defer
|
||
|
|
* parsing to the consumer.
|
||
|
|
*/
|
||
|
|
struct mv88e6xxx_devlink_vtu_entry {
|
||
|
|
u16 fid;
|
||
|
|
u16 sid;
|
||
|
|
u16 op;
|
||
|
|
u16 vid;
|
||
|
|
u16 data[3];
|
||
|
|
u16 resvd;
|
||
|
|
};
|
||
|
|
|
||
|
|
static int mv88e6xxx_region_vtu_snapshot(struct devlink *dl,
|
||
|
|
const struct devlink_region_ops *ops,
|
||
|
|
struct netlink_ext_ack *extack,
|
||
|
|
u8 **data)
|
||
|
|
{
|
||
|
|
struct mv88e6xxx_devlink_vtu_entry *table, *entry;
|
||
|
|
struct dsa_switch *ds = dsa_devlink_to_ds(dl);
|
||
|
|
struct mv88e6xxx_chip *chip = ds->priv;
|
||
|
|
struct mv88e6xxx_vtu_entry vlan;
|
||
|
|
int err;
|
||
|
|
|
||
|
|
table = kcalloc(mv88e6xxx_max_vid(chip) + 1,
|
||
|
|
sizeof(struct mv88e6xxx_devlink_vtu_entry),
|
||
|
|
GFP_KERNEL);
|
||
|
|
if (!table)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
entry = table;
|
||
|
|
vlan.vid = mv88e6xxx_max_vid(chip);
|
||
|
|
vlan.valid = false;
|
||
|
|
|
||
|
|
mv88e6xxx_reg_lock(chip);
|
||
|
|
|
||
|
|
do {
|
||
|
|
err = mv88e6xxx_g1_vtu_getnext(chip, &vlan);
|
||
|
|
if (err)
|
||
|
|
break;
|
||
|
|
|
||
|
|
if (!vlan.valid)
|
||
|
|
break;
|
||
|
|
|
||
|
|
err = err ? : mv88e6xxx_g1_read(chip, MV88E6352_G1_VTU_FID,
|
||
|
|
&entry->fid);
|
||
|
|
err = err ? : mv88e6xxx_g1_read(chip, MV88E6352_G1_VTU_SID,
|
||
|
|
&entry->sid);
|
||
|
|
err = err ? : mv88e6xxx_g1_read(chip, MV88E6XXX_G1_VTU_OP,
|
||
|
|
&entry->op);
|
||
|
|
err = err ? : mv88e6xxx_g1_read(chip, MV88E6XXX_G1_VTU_VID,
|
||
|
|
&entry->vid);
|
||
|
|
err = err ? : mv88e6xxx_g1_read(chip, MV88E6XXX_G1_VTU_DATA1,
|
||
|
|
&entry->data[0]);
|
||
|
|
err = err ? : mv88e6xxx_g1_read(chip, MV88E6XXX_G1_VTU_DATA2,
|
||
|
|
&entry->data[1]);
|
||
|
|
err = err ? : mv88e6xxx_g1_read(chip, MV88E6XXX_G1_VTU_DATA3,
|
||
|
|
&entry->data[2]);
|
||
|
|
if (err)
|
||
|
|
break;
|
||
|
|
|
||
|
|
entry++;
|
||
|
|
} while (vlan.vid < mv88e6xxx_max_vid(chip));
|
||
|
|
|
||
|
|
mv88e6xxx_reg_unlock(chip);
|
||
|
|
|
||
|
|
if (err) {
|
||
|
|
kfree(table);
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
*data = (u8 *)table;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct mv88e6xxx_devlink_stu_entry - Devlink STU entry
|
||
|
|
* @sid: Global1/3: SID, unknown filters and learning.
|
||
|
|
* @vid: Global1/6: Valid bit.
|
||
|
|
* @data: Global1/7-9: Membership data and priority override.
|
||
|
|
* @resvd: Reserved. In case we forgot something.
|
||
|
|
*
|
||
|
|
* The STU entry format varies between chipset generations. Peridot
|
||
|
|
* and Amethyst packs the STU data into Global1/7-8. Older silicon
|
||
|
|
* spreads the information across all three VTU data registers -
|
||
|
|
* inheriting the layout of even older hardware that had no STU at
|
||
|
|
* all. Since this is a low-level debug interface, copy all data
|
||
|
|
* verbatim and defer parsing to the consumer.
|
||
|
|
*/
|
||
|
|
struct mv88e6xxx_devlink_stu_entry {
|
||
|
|
u16 sid;
|
||
|
|
u16 vid;
|
||
|
|
u16 data[3];
|
||
|
|
u16 resvd;
|
||
|
|
};
|
||
|
|
|
||
|
|
static int mv88e6xxx_region_stu_snapshot(struct devlink *dl,
|
||
|
|
const struct devlink_region_ops *ops,
|
||
|
|
struct netlink_ext_ack *extack,
|
||
|
|
u8 **data)
|
||
|
|
{
|
||
|
|
struct mv88e6xxx_devlink_stu_entry *table, *entry;
|
||
|
|
struct dsa_switch *ds = dsa_devlink_to_ds(dl);
|
||
|
|
struct mv88e6xxx_chip *chip = ds->priv;
|
||
|
|
struct mv88e6xxx_stu_entry stu;
|
||
|
|
int err;
|
||
|
|
|
||
|
|
table = kcalloc(mv88e6xxx_max_sid(chip) + 1,
|
||
|
|
sizeof(struct mv88e6xxx_devlink_stu_entry),
|
||
|
|
GFP_KERNEL);
|
||
|
|
if (!table)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
entry = table;
|
||
|
|
stu.sid = mv88e6xxx_max_sid(chip);
|
||
|
|
stu.valid = false;
|
||
|
|
|
||
|
|
mv88e6xxx_reg_lock(chip);
|
||
|
|
|
||
|
|
do {
|
||
|
|
err = mv88e6xxx_g1_stu_getnext(chip, &stu);
|
||
|
|
if (err)
|
||
|
|
break;
|
||
|
|
|
||
|
|
if (!stu.valid)
|
||
|
|
break;
|
||
|
|
|
||
|
|
err = err ? : mv88e6xxx_g1_read(chip, MV88E6352_G1_VTU_SID,
|
||
|
|
&entry->sid);
|
||
|
|
err = err ? : mv88e6xxx_g1_read(chip, MV88E6XXX_G1_VTU_VID,
|
||
|
|
&entry->vid);
|
||
|
|
err = err ? : mv88e6xxx_g1_read(chip, MV88E6XXX_G1_VTU_DATA1,
|
||
|
|
&entry->data[0]);
|
||
|
|
err = err ? : mv88e6xxx_g1_read(chip, MV88E6XXX_G1_VTU_DATA2,
|
||
|
|
&entry->data[1]);
|
||
|
|
err = err ? : mv88e6xxx_g1_read(chip, MV88E6XXX_G1_VTU_DATA3,
|
||
|
|
&entry->data[2]);
|
||
|
|
if (err)
|
||
|
|
break;
|
||
|
|
|
||
|
|
entry++;
|
||
|
|
} while (stu.sid < mv88e6xxx_max_sid(chip));
|
||
|
|
|
||
|
|
mv88e6xxx_reg_unlock(chip);
|
||
|
|
|
||
|
|
if (err) {
|
||
|
|
kfree(table);
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
*data = (u8 *)table;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int mv88e6xxx_region_pvt_snapshot(struct devlink *dl,
|
||
|
|
const struct devlink_region_ops *ops,
|
||
|
|
struct netlink_ext_ack *extack,
|
||
|
|
u8 **data)
|
||
|
|
{
|
||
|
|
struct dsa_switch *ds = dsa_devlink_to_ds(dl);
|
||
|
|
struct mv88e6xxx_chip *chip = ds->priv;
|
||
|
|
int dev, port, err;
|
||
|
|
u16 *pvt, *cur;
|
||
|
|
|
||
|
|
pvt = kcalloc(MV88E6XXX_MAX_PVT_ENTRIES, sizeof(*pvt), GFP_KERNEL);
|
||
|
|
if (!pvt)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
mv88e6xxx_reg_lock(chip);
|
||
|
|
|
||
|
|
cur = pvt;
|
||
|
|
for (dev = 0; dev < MV88E6XXX_MAX_PVT_SWITCHES; dev++) {
|
||
|
|
for (port = 0; port < MV88E6XXX_MAX_PVT_PORTS; port++) {
|
||
|
|
err = mv88e6xxx_g2_pvt_read(chip, dev, port, cur);
|
||
|
|
if (err)
|
||
|
|
break;
|
||
|
|
|
||
|
|
cur++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
mv88e6xxx_reg_unlock(chip);
|
||
|
|
|
||
|
|
if (err) {
|
||
|
|
kfree(pvt);
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
*data = (u8 *)pvt;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int mv88e6xxx_region_port_snapshot(struct devlink_port *devlink_port,
|
||
|
|
const struct devlink_port_region_ops *ops,
|
||
|
|
struct netlink_ext_ack *extack,
|
||
|
|
u8 **data)
|
||
|
|
{
|
||
|
|
struct dsa_switch *ds = dsa_devlink_port_to_ds(devlink_port);
|
||
|
|
int port = dsa_devlink_port_to_port(devlink_port);
|
||
|
|
struct mv88e6xxx_chip *chip = ds->priv;
|
||
|
|
u16 *registers;
|
||
|
|
int i, err;
|
||
|
|
|
||
|
|
registers = kmalloc_array(32, sizeof(u16), GFP_KERNEL);
|
||
|
|
if (!registers)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
mv88e6xxx_reg_lock(chip);
|
||
|
|
for (i = 0; i < 32; i++) {
|
||
|
|
err = mv88e6xxx_port_read(chip, port, i, ®isters[i]);
|
||
|
|
if (err) {
|
||
|
|
kfree(registers);
|
||
|
|
goto out;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
*data = (u8 *)registers;
|
||
|
|
out:
|
||
|
|
mv88e6xxx_reg_unlock(chip);
|
||
|
|
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct mv88e6xxx_region_priv mv88e6xxx_region_global1_priv = {
|
||
|
|
.id = MV88E6XXX_REGION_GLOBAL1,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct devlink_region_ops mv88e6xxx_region_global1_ops = {
|
||
|
|
.name = "global1",
|
||
|
|
.snapshot = mv88e6xxx_region_global_snapshot,
|
||
|
|
.destructor = kfree,
|
||
|
|
.priv = &mv88e6xxx_region_global1_priv,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct mv88e6xxx_region_priv mv88e6xxx_region_global2_priv = {
|
||
|
|
.id = MV88E6XXX_REGION_GLOBAL2,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct devlink_region_ops mv88e6xxx_region_global2_ops = {
|
||
|
|
.name = "global2",
|
||
|
|
.snapshot = mv88e6xxx_region_global_snapshot,
|
||
|
|
.destructor = kfree,
|
||
|
|
.priv = &mv88e6xxx_region_global2_priv,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct devlink_region_ops mv88e6xxx_region_atu_ops = {
|
||
|
|
.name = "atu",
|
||
|
|
.snapshot = mv88e6xxx_region_atu_snapshot,
|
||
|
|
.destructor = kfree,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct devlink_region_ops mv88e6xxx_region_vtu_ops = {
|
||
|
|
.name = "vtu",
|
||
|
|
.snapshot = mv88e6xxx_region_vtu_snapshot,
|
||
|
|
.destructor = kfree,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct devlink_region_ops mv88e6xxx_region_stu_ops = {
|
||
|
|
.name = "stu",
|
||
|
|
.snapshot = mv88e6xxx_region_stu_snapshot,
|
||
|
|
.destructor = kfree,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct devlink_region_ops mv88e6xxx_region_pvt_ops = {
|
||
|
|
.name = "pvt",
|
||
|
|
.snapshot = mv88e6xxx_region_pvt_snapshot,
|
||
|
|
.destructor = kfree,
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct devlink_port_region_ops mv88e6xxx_region_port_ops = {
|
||
|
|
.name = "port",
|
||
|
|
.snapshot = mv88e6xxx_region_port_snapshot,
|
||
|
|
.destructor = kfree,
|
||
|
|
};
|
||
|
|
|
||
|
|
struct mv88e6xxx_region {
|
||
|
|
struct devlink_region_ops *ops;
|
||
|
|
u64 size;
|
||
|
|
|
||
|
|
bool (*cond)(struct mv88e6xxx_chip *chip);
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct mv88e6xxx_region mv88e6xxx_regions[] = {
|
||
|
|
[MV88E6XXX_REGION_GLOBAL1] = {
|
||
|
|
.ops = &mv88e6xxx_region_global1_ops,
|
||
|
|
.size = 32 * sizeof(u16)
|
||
|
|
},
|
||
|
|
[MV88E6XXX_REGION_GLOBAL2] = {
|
||
|
|
.ops = &mv88e6xxx_region_global2_ops,
|
||
|
|
.size = 32 * sizeof(u16) },
|
||
|
|
[MV88E6XXX_REGION_ATU] = {
|
||
|
|
.ops = &mv88e6xxx_region_atu_ops
|
||
|
|
/* calculated at runtime */
|
||
|
|
},
|
||
|
|
[MV88E6XXX_REGION_VTU] = {
|
||
|
|
.ops = &mv88e6xxx_region_vtu_ops
|
||
|
|
/* calculated at runtime */
|
||
|
|
},
|
||
|
|
[MV88E6XXX_REGION_STU] = {
|
||
|
|
.ops = &mv88e6xxx_region_stu_ops,
|
||
|
|
.cond = mv88e6xxx_has_stu,
|
||
|
|
/* calculated at runtime */
|
||
|
|
},
|
||
|
|
[MV88E6XXX_REGION_PVT] = {
|
||
|
|
.ops = &mv88e6xxx_region_pvt_ops,
|
||
|
|
.size = MV88E6XXX_MAX_PVT_ENTRIES * sizeof(u16),
|
||
|
|
.cond = mv88e6xxx_has_pvt,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
void mv88e6xxx_teardown_devlink_regions_global(struct dsa_switch *ds)
|
||
|
|
{
|
||
|
|
struct mv88e6xxx_chip *chip = ds->priv;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
for (i = 0; i < ARRAY_SIZE(mv88e6xxx_regions); i++)
|
||
|
|
dsa_devlink_region_destroy(chip->regions[i]);
|
||
|
|
}
|
||
|
|
|
||
|
|
void mv88e6xxx_teardown_devlink_regions_port(struct dsa_switch *ds, int port)
|
||
|
|
{
|
||
|
|
struct mv88e6xxx_chip *chip = ds->priv;
|
||
|
|
|
||
|
|
dsa_devlink_region_destroy(chip->ports[port].region);
|
||
|
|
}
|
||
|
|
|
||
|
|
int mv88e6xxx_setup_devlink_regions_port(struct dsa_switch *ds, int port)
|
||
|
|
{
|
||
|
|
struct mv88e6xxx_chip *chip = ds->priv;
|
||
|
|
struct devlink_region *region;
|
||
|
|
|
||
|
|
region = dsa_devlink_port_region_create(ds,
|
||
|
|
port,
|
||
|
|
&mv88e6xxx_region_port_ops, 1,
|
||
|
|
32 * sizeof(u16));
|
||
|
|
if (IS_ERR(region))
|
||
|
|
return PTR_ERR(region);
|
||
|
|
|
||
|
|
chip->ports[port].region = region;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int mv88e6xxx_setup_devlink_regions_global(struct dsa_switch *ds)
|
||
|
|
{
|
||
|
|
bool (*cond)(struct mv88e6xxx_chip *chip);
|
||
|
|
struct mv88e6xxx_chip *chip = ds->priv;
|
||
|
|
struct devlink_region_ops *ops;
|
||
|
|
struct devlink_region *region;
|
||
|
|
u64 size;
|
||
|
|
int i, j;
|
||
|
|
|
||
|
|
for (i = 0; i < ARRAY_SIZE(mv88e6xxx_regions); i++) {
|
||
|
|
ops = mv88e6xxx_regions[i].ops;
|
||
|
|
size = mv88e6xxx_regions[i].size;
|
||
|
|
cond = mv88e6xxx_regions[i].cond;
|
||
|
|
|
||
|
|
if (cond && !cond(chip))
|
||
|
|
continue;
|
||
|
|
|
||
|
|
switch (i) {
|
||
|
|
case MV88E6XXX_REGION_ATU:
|
||
|
|
size = mv88e6xxx_num_databases(chip) *
|
||
|
|
sizeof(struct mv88e6xxx_devlink_atu_entry);
|
||
|
|
break;
|
||
|
|
case MV88E6XXX_REGION_VTU:
|
||
|
|
size = (mv88e6xxx_max_vid(chip) + 1) *
|
||
|
|
sizeof(struct mv88e6xxx_devlink_vtu_entry);
|
||
|
|
break;
|
||
|
|
case MV88E6XXX_REGION_STU:
|
||
|
|
size = (mv88e6xxx_max_sid(chip) + 1) *
|
||
|
|
sizeof(struct mv88e6xxx_devlink_stu_entry);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
region = dsa_devlink_region_create(ds, ops, 1, size);
|
||
|
|
if (IS_ERR(region))
|
||
|
|
goto out;
|
||
|
|
chip->regions[i] = region;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
out:
|
||
|
|
for (j = 0; j < i; j++)
|
||
|
|
dsa_devlink_region_destroy(chip->regions[j]);
|
||
|
|
|
||
|
|
return PTR_ERR(region);
|
||
|
|
}
|
||
|
|
|
||
|
|
int mv88e6xxx_devlink_info_get(struct dsa_switch *ds,
|
||
|
|
struct devlink_info_req *req,
|
||
|
|
struct netlink_ext_ack *extack)
|
||
|
|
{
|
||
|
|
struct mv88e6xxx_chip *chip = ds->priv;
|
||
|
|
|
||
|
|
return devlink_info_version_fixed_put(req,
|
||
|
|
DEVLINK_INFO_VERSION_GENERIC_ASIC_ID,
|
||
|
|
chip->info->name);
|
||
|
|
}
|