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Subject[PATCH net-next v2 9/9] net: Get rid of switchdev_port_attr_get()
Date
With the bridge no longer calling switchdev_port_attr_get() to obtain
the supported bridge port flags from a driver but instead trying to set
the bridge port flags directly and relying on driver to reject
unsupported configurations, we can effectively get rid of
switchdev_port_attr_get() entirely since this was the only place where
it was called.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
Documentation/networking/switchdev.txt | 2 +-
drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c | 7 -------
drivers/net/ethernet/rocker/rocker_main.c | 7 -------
drivers/staging/fsl-dpaa2/ethsw/ethsw.c | 7 -------
include/net/switchdev.h | 8 --------
net/dsa/slave.c | 7 -------
6 files changed, 1 insertion(+), 37 deletions(-)

diff --git a/Documentation/networking/switchdev.txt b/Documentation/networking/switchdev.txt
index b764568deabf..633dd1fd81b7 100644
--- a/Documentation/networking/switchdev.txt
+++ b/Documentation/networking/switchdev.txt
@@ -233,7 +233,7 @@ the bridge's FDB. It's possible, but not optimal, to enable learning on the
device port and on the bridge port, and disable learning_sync.

To support learning, the driver implements switchdev op
-switchdev_port_attr_get/set for SWITCHDEV_ATTR_PORT_ID_BRIDGE_FLAGS.
+switchdev_port_attr_set for SWITCHDEV_ATTR_PORT_ID_{PRE}_BRIDGE_FLAGS.

FDB Ageing
^^^^^^^^^^
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 2311ef8554d9..d0fcc36f2188 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -431,12 +431,6 @@ static void mlxsw_sp_bridge_vlan_put(struct mlxsw_sp_bridge_vlan *bridge_vlan)
mlxsw_sp_bridge_vlan_destroy(bridge_vlan);
}

-static int mlxsw_sp_port_attr_get(struct net_device *dev,
- struct switchdev_attr *attr)
-{
- return -EOPNOTSUPP;
-}
-
static int
mlxsw_sp_port_bridge_vlan_stp_set(struct mlxsw_sp_port *mlxsw_sp_port,
struct mlxsw_sp_bridge_vlan *bridge_vlan,
@@ -1949,7 +1943,6 @@ static struct mlxsw_sp_port *mlxsw_sp_lag_rep_port(struct mlxsw_sp *mlxsw_sp,
}

static const struct switchdev_ops mlxsw_sp_port_switchdev_ops = {
- .switchdev_port_attr_get = mlxsw_sp_port_attr_get,
.switchdev_port_attr_set = mlxsw_sp_port_attr_set,
};

diff --git a/drivers/net/ethernet/rocker/rocker_main.c b/drivers/net/ethernet/rocker/rocker_main.c
index 107fcbec3234..68d8f33113a5 100644
--- a/drivers/net/ethernet/rocker/rocker_main.c
+++ b/drivers/net/ethernet/rocker/rocker_main.c
@@ -2071,12 +2071,6 @@ static const struct net_device_ops rocker_port_netdev_ops = {
* swdev interface
********************/

-static int rocker_port_attr_get(struct net_device *dev,
- struct switchdev_attr *attr)
-{
- return -EOPNOTSUPP;
-}
-
static int rocker_port_attr_set(struct net_device *dev,
const struct switchdev_attr *attr,
struct switchdev_trans *trans)
@@ -2153,7 +2147,6 @@ static int rocker_port_obj_del(struct net_device *dev,
}

static const struct switchdev_ops rocker_port_switchdev_ops = {
- .switchdev_port_attr_get = rocker_port_attr_get,
.switchdev_port_attr_set = rocker_port_attr_set,
};

diff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
index e71bc7ed363e..7557f994ef06 100644
--- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
+++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
@@ -640,12 +640,6 @@ static void ethsw_teardown_irqs(struct fsl_mc_device *sw_dev)
fsl_mc_free_irqs(sw_dev);
}

-static int swdev_port_attr_get(struct net_device *netdev,
- struct switchdev_attr *attr)
-{
- return -EOPNOTSUPP;
-}
-
static int port_attr_stp_state_set(struct net_device *netdev,
struct switchdev_trans *trans,
u8 state)
@@ -935,7 +929,6 @@ static int swdev_port_obj_del(struct net_device *netdev,
}

static const struct switchdev_ops ethsw_port_switchdev_ops = {
- .switchdev_port_attr_get = swdev_port_attr_get,
.switchdev_port_attr_set = swdev_port_attr_set,
};

diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index 0f352019ef99..45310ddf2d7e 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -179,8 +179,6 @@ switchdev_notifier_info_to_extack(const struct switchdev_notifier_info *info)
#ifdef CONFIG_NET_SWITCHDEV

void switchdev_deferred_process(void);
-int switchdev_port_attr_get(struct net_device *dev,
- struct switchdev_attr *attr);
int switchdev_port_attr_set(struct net_device *dev,
const struct switchdev_attr *attr);
int switchdev_port_obj_add(struct net_device *dev,
@@ -225,12 +223,6 @@ static inline void switchdev_deferred_process(void)
{
}

-static inline int switchdev_port_attr_get(struct net_device *dev,
- struct switchdev_attr *attr)
-{
- return -EOPNOTSUPP;
-}
-
static inline int switchdev_port_attr_set(struct net_device *dev,
const struct switchdev_attr *attr)
{
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 06aa7376d968..07a98b17f2ac 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -387,12 +387,6 @@ static int dsa_slave_get_port_parent_id(struct net_device *dev,
return 0;
}

-static int dsa_slave_port_attr_get(struct net_device *dev,
- struct switchdev_attr *attr)
-{
- return -EOPNOTSUPP;
-}
-
static inline netdev_tx_t dsa_slave_netpoll_send_skb(struct net_device *dev,
struct sk_buff *skb)
{
@@ -1059,7 +1053,6 @@ static const struct net_device_ops dsa_slave_netdev_ops = {
};

static const struct switchdev_ops dsa_slave_switchdev_ops = {
- .switchdev_port_attr_get = dsa_slave_port_attr_get,
.switchdev_port_attr_set = dsa_slave_port_attr_set,
};

--
2.17.1
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