forked from mirrors/linux
d5020cb41e
Replace devlink_resource_register(), devlink_resource_occ_get_register(), and devlink_resource_occ_get_unregister() calls by respective devl_* variants. Mentioned functions have no direct users in any drivers, and are going to be removed in subsequent patches. Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Reviewed-by: Joe Damato <jdamato@fastly.com> Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> Link: https://patch.msgid.link/20241023131248.27192-6-przemyslaw.kitszel@intel.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
401 lines
10 KiB
C
401 lines
10 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* DSA devlink handling
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*/
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#include <net/dsa.h>
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#include <net/devlink.h>
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#include "devlink.h"
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static int dsa_devlink_info_get(struct devlink *dl,
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struct devlink_info_req *req,
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struct netlink_ext_ack *extack)
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{
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struct dsa_switch *ds = dsa_devlink_to_ds(dl);
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if (ds->ops->devlink_info_get)
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return ds->ops->devlink_info_get(ds, req, extack);
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return -EOPNOTSUPP;
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}
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static int dsa_devlink_sb_pool_get(struct devlink *dl,
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unsigned int sb_index, u16 pool_index,
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struct devlink_sb_pool_info *pool_info)
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{
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struct dsa_switch *ds = dsa_devlink_to_ds(dl);
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if (!ds->ops->devlink_sb_pool_get)
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return -EOPNOTSUPP;
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return ds->ops->devlink_sb_pool_get(ds, sb_index, pool_index,
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pool_info);
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}
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static int dsa_devlink_sb_pool_set(struct devlink *dl, unsigned int sb_index,
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u16 pool_index, u32 size,
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enum devlink_sb_threshold_type threshold_type,
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struct netlink_ext_ack *extack)
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{
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struct dsa_switch *ds = dsa_devlink_to_ds(dl);
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if (!ds->ops->devlink_sb_pool_set)
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return -EOPNOTSUPP;
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return ds->ops->devlink_sb_pool_set(ds, sb_index, pool_index, size,
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threshold_type, extack);
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}
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static int dsa_devlink_sb_port_pool_get(struct devlink_port *dlp,
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unsigned int sb_index, u16 pool_index,
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u32 *p_threshold)
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{
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struct dsa_switch *ds = dsa_devlink_port_to_ds(dlp);
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int port = dsa_devlink_port_to_port(dlp);
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if (!ds->ops->devlink_sb_port_pool_get)
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return -EOPNOTSUPP;
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return ds->ops->devlink_sb_port_pool_get(ds, port, sb_index,
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pool_index, p_threshold);
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}
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static int dsa_devlink_sb_port_pool_set(struct devlink_port *dlp,
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unsigned int sb_index, u16 pool_index,
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u32 threshold,
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struct netlink_ext_ack *extack)
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{
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struct dsa_switch *ds = dsa_devlink_port_to_ds(dlp);
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int port = dsa_devlink_port_to_port(dlp);
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if (!ds->ops->devlink_sb_port_pool_set)
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return -EOPNOTSUPP;
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return ds->ops->devlink_sb_port_pool_set(ds, port, sb_index,
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pool_index, threshold, extack);
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}
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static int
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dsa_devlink_sb_tc_pool_bind_get(struct devlink_port *dlp,
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unsigned int sb_index, u16 tc_index,
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enum devlink_sb_pool_type pool_type,
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u16 *p_pool_index, u32 *p_threshold)
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{
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struct dsa_switch *ds = dsa_devlink_port_to_ds(dlp);
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int port = dsa_devlink_port_to_port(dlp);
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if (!ds->ops->devlink_sb_tc_pool_bind_get)
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return -EOPNOTSUPP;
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return ds->ops->devlink_sb_tc_pool_bind_get(ds, port, sb_index,
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tc_index, pool_type,
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p_pool_index, p_threshold);
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}
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static int
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dsa_devlink_sb_tc_pool_bind_set(struct devlink_port *dlp,
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unsigned int sb_index, u16 tc_index,
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enum devlink_sb_pool_type pool_type,
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u16 pool_index, u32 threshold,
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struct netlink_ext_ack *extack)
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{
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struct dsa_switch *ds = dsa_devlink_port_to_ds(dlp);
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int port = dsa_devlink_port_to_port(dlp);
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if (!ds->ops->devlink_sb_tc_pool_bind_set)
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return -EOPNOTSUPP;
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return ds->ops->devlink_sb_tc_pool_bind_set(ds, port, sb_index,
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tc_index, pool_type,
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pool_index, threshold,
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extack);
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}
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static int dsa_devlink_sb_occ_snapshot(struct devlink *dl,
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unsigned int sb_index)
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{
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struct dsa_switch *ds = dsa_devlink_to_ds(dl);
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if (!ds->ops->devlink_sb_occ_snapshot)
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return -EOPNOTSUPP;
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return ds->ops->devlink_sb_occ_snapshot(ds, sb_index);
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}
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static int dsa_devlink_sb_occ_max_clear(struct devlink *dl,
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unsigned int sb_index)
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{
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struct dsa_switch *ds = dsa_devlink_to_ds(dl);
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if (!ds->ops->devlink_sb_occ_max_clear)
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return -EOPNOTSUPP;
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return ds->ops->devlink_sb_occ_max_clear(ds, sb_index);
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}
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static int dsa_devlink_sb_occ_port_pool_get(struct devlink_port *dlp,
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unsigned int sb_index,
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u16 pool_index, u32 *p_cur,
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u32 *p_max)
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{
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struct dsa_switch *ds = dsa_devlink_port_to_ds(dlp);
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int port = dsa_devlink_port_to_port(dlp);
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if (!ds->ops->devlink_sb_occ_port_pool_get)
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return -EOPNOTSUPP;
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return ds->ops->devlink_sb_occ_port_pool_get(ds, port, sb_index,
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pool_index, p_cur, p_max);
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}
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static int
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dsa_devlink_sb_occ_tc_port_bind_get(struct devlink_port *dlp,
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unsigned int sb_index, u16 tc_index,
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enum devlink_sb_pool_type pool_type,
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u32 *p_cur, u32 *p_max)
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{
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struct dsa_switch *ds = dsa_devlink_port_to_ds(dlp);
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int port = dsa_devlink_port_to_port(dlp);
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if (!ds->ops->devlink_sb_occ_tc_port_bind_get)
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return -EOPNOTSUPP;
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return ds->ops->devlink_sb_occ_tc_port_bind_get(ds, port,
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sb_index, tc_index,
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pool_type, p_cur,
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p_max);
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}
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static const struct devlink_ops dsa_devlink_ops = {
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.info_get = dsa_devlink_info_get,
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.sb_pool_get = dsa_devlink_sb_pool_get,
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.sb_pool_set = dsa_devlink_sb_pool_set,
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.sb_port_pool_get = dsa_devlink_sb_port_pool_get,
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.sb_port_pool_set = dsa_devlink_sb_port_pool_set,
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.sb_tc_pool_bind_get = dsa_devlink_sb_tc_pool_bind_get,
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.sb_tc_pool_bind_set = dsa_devlink_sb_tc_pool_bind_set,
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.sb_occ_snapshot = dsa_devlink_sb_occ_snapshot,
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.sb_occ_max_clear = dsa_devlink_sb_occ_max_clear,
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.sb_occ_port_pool_get = dsa_devlink_sb_occ_port_pool_get,
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.sb_occ_tc_port_bind_get = dsa_devlink_sb_occ_tc_port_bind_get,
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};
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int dsa_devlink_param_get(struct devlink *dl, u32 id,
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struct devlink_param_gset_ctx *ctx)
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{
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struct dsa_switch *ds = dsa_devlink_to_ds(dl);
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if (!ds->ops->devlink_param_get)
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return -EOPNOTSUPP;
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return ds->ops->devlink_param_get(ds, id, ctx);
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}
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EXPORT_SYMBOL_GPL(dsa_devlink_param_get);
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int dsa_devlink_param_set(struct devlink *dl, u32 id,
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struct devlink_param_gset_ctx *ctx,
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struct netlink_ext_ack *extack)
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{
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struct dsa_switch *ds = dsa_devlink_to_ds(dl);
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if (!ds->ops->devlink_param_set)
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return -EOPNOTSUPP;
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return ds->ops->devlink_param_set(ds, id, ctx);
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}
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EXPORT_SYMBOL_GPL(dsa_devlink_param_set);
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int dsa_devlink_params_register(struct dsa_switch *ds,
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const struct devlink_param *params,
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size_t params_count)
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{
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return devlink_params_register(ds->devlink, params, params_count);
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}
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EXPORT_SYMBOL_GPL(dsa_devlink_params_register);
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void dsa_devlink_params_unregister(struct dsa_switch *ds,
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const struct devlink_param *params,
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size_t params_count)
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{
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devlink_params_unregister(ds->devlink, params, params_count);
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}
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EXPORT_SYMBOL_GPL(dsa_devlink_params_unregister);
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int dsa_devlink_resource_register(struct dsa_switch *ds,
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const char *resource_name,
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u64 resource_size,
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u64 resource_id,
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u64 parent_resource_id,
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const struct devlink_resource_size_params *size_params)
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{
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int ret;
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devl_lock(ds->devlink);
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ret = devl_resource_register(ds->devlink, resource_name, resource_size,
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resource_id, parent_resource_id,
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size_params);
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devl_unlock(ds->devlink);
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return ret;
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}
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EXPORT_SYMBOL_GPL(dsa_devlink_resource_register);
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void dsa_devlink_resources_unregister(struct dsa_switch *ds)
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{
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devlink_resources_unregister(ds->devlink);
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}
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EXPORT_SYMBOL_GPL(dsa_devlink_resources_unregister);
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void dsa_devlink_resource_occ_get_register(struct dsa_switch *ds,
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u64 resource_id,
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devlink_resource_occ_get_t *occ_get,
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void *occ_get_priv)
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{
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devl_lock(ds->devlink);
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devl_resource_occ_get_register(ds->devlink, resource_id, occ_get,
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occ_get_priv);
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devl_unlock(ds->devlink);
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}
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EXPORT_SYMBOL_GPL(dsa_devlink_resource_occ_get_register);
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void dsa_devlink_resource_occ_get_unregister(struct dsa_switch *ds,
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u64 resource_id)
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{
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devl_lock(ds->devlink);
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devl_resource_occ_get_unregister(ds->devlink, resource_id);
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devl_unlock(ds->devlink);
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}
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EXPORT_SYMBOL_GPL(dsa_devlink_resource_occ_get_unregister);
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struct devlink_region *
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dsa_devlink_region_create(struct dsa_switch *ds,
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const struct devlink_region_ops *ops,
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u32 region_max_snapshots, u64 region_size)
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{
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return devlink_region_create(ds->devlink, ops, region_max_snapshots,
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region_size);
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}
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EXPORT_SYMBOL_GPL(dsa_devlink_region_create);
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struct devlink_region *
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dsa_devlink_port_region_create(struct dsa_switch *ds,
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int port,
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const struct devlink_port_region_ops *ops,
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u32 region_max_snapshots, u64 region_size)
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{
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struct dsa_port *dp = dsa_to_port(ds, port);
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return devlink_port_region_create(&dp->devlink_port, ops,
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region_max_snapshots,
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region_size);
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}
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EXPORT_SYMBOL_GPL(dsa_devlink_port_region_create);
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void dsa_devlink_region_destroy(struct devlink_region *region)
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{
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devlink_region_destroy(region);
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}
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EXPORT_SYMBOL_GPL(dsa_devlink_region_destroy);
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int dsa_port_devlink_setup(struct dsa_port *dp)
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{
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struct devlink_port *dlp = &dp->devlink_port;
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struct dsa_switch_tree *dst = dp->ds->dst;
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struct devlink_port_attrs attrs = {};
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struct devlink *dl = dp->ds->devlink;
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struct dsa_switch *ds = dp->ds;
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const unsigned char *id;
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unsigned char len;
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int err;
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memset(dlp, 0, sizeof(*dlp));
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devlink_port_init(dl, dlp);
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if (ds->ops->port_setup) {
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err = ds->ops->port_setup(ds, dp->index);
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if (err)
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return err;
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}
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id = (const unsigned char *)&dst->index;
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len = sizeof(dst->index);
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attrs.phys.port_number = dp->index;
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memcpy(attrs.switch_id.id, id, len);
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attrs.switch_id.id_len = len;
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switch (dp->type) {
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case DSA_PORT_TYPE_UNUSED:
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attrs.flavour = DEVLINK_PORT_FLAVOUR_UNUSED;
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break;
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case DSA_PORT_TYPE_CPU:
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attrs.flavour = DEVLINK_PORT_FLAVOUR_CPU;
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break;
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case DSA_PORT_TYPE_DSA:
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attrs.flavour = DEVLINK_PORT_FLAVOUR_DSA;
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break;
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case DSA_PORT_TYPE_USER:
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attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL;
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break;
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}
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devlink_port_attrs_set(dlp, &attrs);
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err = devlink_port_register(dl, dlp, dp->index);
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if (err) {
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if (ds->ops->port_teardown)
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ds->ops->port_teardown(ds, dp->index);
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return err;
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}
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return 0;
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}
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void dsa_port_devlink_teardown(struct dsa_port *dp)
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{
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struct devlink_port *dlp = &dp->devlink_port;
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struct dsa_switch *ds = dp->ds;
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devlink_port_unregister(dlp);
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if (ds->ops->port_teardown)
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ds->ops->port_teardown(ds, dp->index);
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devlink_port_fini(dlp);
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}
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void dsa_switch_devlink_register(struct dsa_switch *ds)
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{
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devlink_register(ds->devlink);
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}
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void dsa_switch_devlink_unregister(struct dsa_switch *ds)
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{
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devlink_unregister(ds->devlink);
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}
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int dsa_switch_devlink_alloc(struct dsa_switch *ds)
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{
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struct dsa_devlink_priv *dl_priv;
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struct devlink *dl;
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/* Add the switch to devlink before calling setup, so that setup can
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* add dpipe tables
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*/
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dl = devlink_alloc(&dsa_devlink_ops, sizeof(*dl_priv), ds->dev);
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if (!dl)
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return -ENOMEM;
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ds->devlink = dl;
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dl_priv = devlink_priv(ds->devlink);
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dl_priv->ds = ds;
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return 0;
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}
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void dsa_switch_devlink_free(struct dsa_switch *ds)
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{
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devlink_free(ds->devlink);
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ds->devlink = NULL;
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}
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