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net: dsa: Add helper for converting devlink port to ds and port 

Hide away from DSA drivers how devlink works.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andrew Lunn 2020-10-04 18:12:56 +02:00 committed by David S. Miller
parent 08156ba430
commit 7d1e2a1068
1 changed files with 14 additions and 0 deletions
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14
include/net/dsa.h
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@ -701,6 +701,20 @@ static inline struct dsa_switch *dsa_devlink_to_ds(struct devlink *dl)
return dl_priv->ds;
}
static inline
struct dsa_switch *dsa_devlink_port_to_ds(struct devlink_port *port)
{
struct devlink *dl = port->devlink;
struct dsa_devlink_priv *dl_priv = devlink_priv(dl);
return dl_priv->ds;
}
static inline int dsa_devlink_port_to_port(struct devlink_port *port)
{
return port->index;
}
struct dsa_switch_driver {
struct list_head list;
const struct dsa_switch_ops *ops;