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net: dsa: Add support for devlink device parameters

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Add plumbing to allow DSA drivers to register parameters with devlink.

To keep with the abstraction, the DSA drivers pass the ds structure to
these helpers, and the DSA core then translates that to the devlink
structure associated to the device.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andrew Lunn
2019-10-25 01:03:51 +02:00
committed by David S. Miller
parent ebdcebcb8b
commit 6b29752423
3 changed files with 77 additions and 1 deletions
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48
net/dsa/dsa.c
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@@ -331,6 +331,54 @@ int call_dsa_notifiers(unsigned long val, struct net_device *dev,
}
EXPORT_SYMBOL_GPL(call_dsa_notifiers);
int dsa_devlink_param_get(struct devlink *dl, u32 id,
struct devlink_param_gset_ctx *ctx)
{
struct dsa_devlink_priv *dl_priv;
struct dsa_switch *ds;
dl_priv = devlink_priv(dl);
ds = dl_priv->ds;
if (!ds->ops->devlink_param_get)
return -EOPNOTSUPP;
return ds->ops->devlink_param_get(ds, id, ctx);
}
EXPORT_SYMBOL_GPL(dsa_devlink_param_get);
int dsa_devlink_param_set(struct devlink *dl, u32 id,
struct devlink_param_gset_ctx *ctx)
{
struct dsa_devlink_priv *dl_priv;
struct dsa_switch *ds;
dl_priv = devlink_priv(dl);
ds = dl_priv->ds;
if (!ds->ops->devlink_param_set)
return -EOPNOTSUPP;
return ds->ops->devlink_param_set(ds, id, ctx);
}
EXPORT_SYMBOL_GPL(dsa_devlink_param_set);
int dsa_devlink_params_register(struct dsa_switch *ds,
const struct devlink_param *params,
size_t params_count)
{
return devlink_params_register(ds->devlink, params, params_count);
}
EXPORT_SYMBOL_GPL(dsa_devlink_params_register);
void dsa_devlink_params_unregister(struct dsa_switch *ds,
const struct devlink_param *params,
size_t params_count)
{
devlink_params_unregister(ds->devlink, params, params_count);
}
EXPORT_SYMBOL_GPL(dsa_devlink_params_unregister);
static int __init dsa_init_module(void)
{
int rc;