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Florian Fainelli

2019-Feb-09 00:32 UTC

[Bridge] [PATCH net-next 00/16] net: Remove switchdev_ops

Hi all,

This patch series finishes by the removal of switchdev_ops. To get there
we need to do a few things:

- get rid of the one and only call to switchdev_port_attr_get() which is
  used to fetch the device's bridge port flags capabilities, instead we
  can just check what flags are being programmed during the prepare
  phase

- once we get rid of getting switchdev port attributes we convert the
  setting of such attributes using a blocking notifier

And then remove switchdev_ops completely.

Please review and let me know what you think!

Florian Fainelli (16):
  Documentation: networking: switchdev: Update port parent ID section
  mlxsw: spectrum: Check bridge flags during prepare phase
  staging: fsl-dpaa2: ethsw: Check bridge port flags during set
  net: dsa: Add setter for SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS
  rocker: Check bridge flags during prepare phase
  net: bridge: Stop calling switchdev_port_attr_get()
  net: Remove SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT
  net: Get rid of switchdev_port_attr_get()
  switchdev: Add SWITCHDEV_PORT_ATTR_SET
  rocker: Handle SWITCHDEV_PORT_ATTR_SET
  net: dsa: Handle SWITCHDEV_PORT_ATTR_SET
  mlxsw: spectrum_switchdev: Handle SWITCHDEV_PORT_ATTR_SET
  net: mscc: ocelot: Handle SWITCHDEV_PORT_ATTR_SET
  staging: fsl-dpaa2: ethsw: Handle SWITCHDEV_PORT_ATTR_SET
  net: switchdev: Replace port attr set SDO with a notification
  net: Remove switchdev_ops

 Documentation/networking/switchdev.txt        | 15 ++-
 .../net/ethernet/mellanox/mlxsw/spectrum.c    | 12 ---
 .../net/ethernet/mellanox/mlxsw/spectrum.h    |  2 -
 .../mellanox/mlxsw/spectrum_switchdev.c       | 72 +++++---------
 drivers/net/ethernet/mscc/ocelot.c            | 25 ++++-
 drivers/net/ethernet/rocker/rocker_main.c     | 99 +++++++++----------
 drivers/staging/fsl-dpaa2/ethsw/ethsw.c       | 52 +++++-----
 include/linux/netdevice.h                     |  3 -
 include/net/switchdev.h                       | 37 ++-----
 net/bridge/br_switchdev.c                     | 20 +---
 net/dsa/dsa_priv.h                            |  3 +
 net/dsa/port.c                                | 10 ++
 net/dsa/slave.c                               | 44 +++++----
 net/switchdev/switchdev.c                     | 92 +++++------------
 14 files changed, 190 insertions(+), 296 deletions(-)

-- 
2.17.1

Florian Fainelli

2019-Feb-09 00:32 UTC

head link

[Bridge] [PATCH net-next 01/16] Documentation: networking: switchdev: Update port parent ID section

Update the section about switchdev drivers having to implement a
switchdev_port_attr_get() function to return
SWITCHDEV_ATTR_ID_PORT_PARENT_ID since that is no longer valid after
commit bccb30254a4a ("net: Get rid of
SWITCHDEV_ATTR_ID_PORT_PARENT_ID").

Fixes: bccb30254a4a ("net: Get rid of
SWITCHDEV_ATTR_ID_PORT_PARENT_ID")
Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
---
 Documentation/networking/switchdev.txt | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/Documentation/networking/switchdev.txt
b/Documentation/networking/switchdev.txt
index f3244d87512a..2842f63ad47b 100644
--- a/Documentation/networking/switchdev.txt
+++ b/Documentation/networking/switchdev.txt
@@ -92,11 +92,11 @@ device.
 Switch ID
 ^^^^^^^^^
 
-The switchdev driver must implement the switchdev op switchdev_port_attr_get
-for SWITCHDEV_ATTR_ID_PORT_PARENT_ID for each port netdev, returning the same
-physical ID for each port of a switch.  The ID must be unique between switches
-on the same system.  The ID does not need to be unique between switches on
-different systems.
+The switchdev driver must implement the net_device operation
+ndo_get_port_parent_id for each port netdev,  returning the same physical ID
+for each port of a switch. The ID must be unique between switches on the same
+system. The ID does not need to be unique between switches on different
+systems.
 
 The switch ID is used to locate ports on a switch and to know if aggregated
 ports belong to the same switch.
-- 
2.17.1

Florian Fainelli

2019-Feb-09 00:32 UTC

head link

[Bridge] [PATCH net-next 02/16] mlxsw: spectrum: Check bridge flags during prepare phase

In preparation for getting rid of switchdev_port_attr_get(), have mlxsw
check for the bridge flags being set through switchdev_port_attr_set()
with the SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS attribute identifier.

Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
---
 drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 95e37de3e48f..468a6d513074 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -623,8 +623,11 @@ static int mlxsw_sp_port_attr_br_flags_set(struct
mlxsw_sp_port *mlxsw_sp_port,
 	struct mlxsw_sp_bridge_port *bridge_port;
 	int err;
 
-	if (switchdev_trans_ph_prepare(trans))
+	if (switchdev_trans_ph_prepare(trans)) {
+		if (brport_flags & ~(BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD))
+			return -EOPNOTSUPP;
 		return 0;
+	}
 
 	bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp_port->mlxsw_sp->bridge,
 						orig_dev);
-- 
2.17.1

Florian Fainelli

2019-Feb-09 00:32 UTC

head link

[Bridge] [PATCH net-next 03/16] staging: fsl-dpaa2: ethsw: Check bridge port flags during set

In preparation for removing SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT,
have ethsw check that the bridge port flags that are being set are
supported.

Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
---
 drivers/staging/fsl-dpaa2/ethsw/ethsw.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
index e559f4c25cf7..6228c4375835 100644
--- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
+++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
@@ -680,8 +680,11 @@ static int port_attr_br_flags_set(struct net_device
*netdev,
 	struct ethsw_port_priv *port_priv = netdev_priv(netdev);
 	int err = 0;
 
-	if (switchdev_trans_ph_prepare(trans))
+	if (switchdev_trans_ph_prepare(trans)) {
+		if (flags & ~(BR_LEARNING | BR_FLOOD))
+			return -EOPNOTSUPP;
 		return 0;
+	}
 
 	/* Learning is enabled per switch */
 	err = ethsw_set_learning(port_priv->ethsw_data, flags & BR_LEARNING);
-- 
2.17.1

Florian Fainelli

2019-Feb-09 00:32 UTC

head link

[Bridge] [PATCH net-next 04/16] net: dsa: Add setter for SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS

In preparation for removing SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT,
add support for a function that processes the
SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS attribute and returns not supported
for any flag set, since DSA does not currently support toggling those
bridge port attributes (yet).

Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
---
 net/dsa/dsa_priv.h |  3 +++
 net/dsa/port.c     | 10 ++++++++++
 net/dsa/slave.c    |  4 ++++
 3 files changed, 17 insertions(+)

diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index 1f4972dab9f2..97594f0b6efb 100644
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -150,6 +150,9 @@ int dsa_port_vlan_filtering(struct dsa_port *dp, bool
vlan_filtering,
 			    struct switchdev_trans *trans);
 int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock,
 			 struct switchdev_trans *trans);
+int dsa_port_bridge_port_flags_set(struct dsa_port *dp,
+				   unsigned long brport_flags,
+				   struct switchdev_trans *trans);
 int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr,
 		     u16 vid);
 int dsa_port_fdb_del(struct dsa_port *dp, const unsigned char *addr,
diff --git a/net/dsa/port.c b/net/dsa/port.c
index 2d7e01b23572..2ce3752203cf 100644
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -177,6 +177,16 @@ int dsa_port_ageing_time(struct dsa_port *dp, clock_t
ageing_clock,
 	return dsa_port_notify(dp, DSA_NOTIFIER_AGEING_TIME, &info);
 }
 
+int dsa_port_bridge_port_flags_set(struct dsa_port *dp,
+				   unsigned long brport_flags,
+				   struct switchdev_trans *trans)
+{
+	if (brport_flags)
+		return -EOPNOTSUPP;
+
+	return 0;
+}
+
 int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr,
 		     u16 vid)
 {
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 70395a0ae52e..212fc1cc27fc 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -292,6 +292,10 @@ static int dsa_slave_port_attr_set(struct net_device *dev,
 	case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME:
 		ret = dsa_port_ageing_time(dp, attr->u.ageing_time, trans);
 		break;
+	case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS:
+		ret = dsa_port_bridge_port_flags_set(dp, attr->u.brport_flags,
+						     trans);
+		break;
 	default:
 		ret = -EOPNOTSUPP;
 		break;
-- 
2.17.1

Florian Fainelli

2019-Feb-09 00:32 UTC

head link

[Bridge] [PATCH net-next 05/16] rocker: Check bridge flags during prepare phase

In preparation for getting rid of switchdev_port_attr_get(), have rocker
check for the bridge flags being set through switchdev_port_attr_set()
with the SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS attribute identifier.

Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
---
 drivers/net/ethernet/rocker/rocker_main.c | 40 ++++++++++++++---------
 1 file changed, 25 insertions(+), 15 deletions(-)

diff --git a/drivers/net/ethernet/rocker/rocker_main.c
b/drivers/net/ethernet/rocker/rocker_main.c
index 66f72f8c46e5..8657313b6f30 100644
--- a/drivers/net/ethernet/rocker/rocker_main.c
+++ b/drivers/net/ethernet/rocker/rocker_main.c
@@ -1565,18 +1565,42 @@ static int rocker_world_port_attr_stp_state_set(struct
rocker_port *rocker_port,
 	return wops->port_attr_stp_state_set(rocker_port, state);
 }
 
+static int
+rocker_world_port_attr_bridge_flags_support_get(const struct rocker_port *
+						rocker_port,
+						unsigned long *
+						p_brport_flags_support)
+{
+	struct rocker_world_ops *wops = rocker_port->rocker->wops;
+
+	if (!wops->port_attr_bridge_flags_support_get)
+		return -EOPNOTSUPP;
+	return wops->port_attr_bridge_flags_support_get(rocker_port,
+							p_brport_flags_support);
+}
+
 static int
 rocker_world_port_attr_bridge_flags_set(struct rocker_port *rocker_port,
 					unsigned long brport_flags,
 					struct switchdev_trans *trans)
 {
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
+	unsigned long brport_flags_s;
+	int err;
 
 	if (!wops->port_attr_bridge_flags_set)
 		return -EOPNOTSUPP;
 
-	if (switchdev_trans_ph_prepare(trans))
+	if (switchdev_trans_ph_prepare(trans)) {
+		err = rocker_world_port_attr_bridge_flags_support_get(rocker_port,
+							      &brport_flags_s);
+		if (err)
+			return err;
+
+		if (brport_flags & ~brport_flags_s)
+			return -EOPNOTSUPP;
 		return 0;
+	}
 
 	return wops->port_attr_bridge_flags_set(rocker_port, brport_flags,
 						trans);
@@ -1593,20 +1617,6 @@ rocker_world_port_attr_bridge_flags_get(const struct
rocker_port *rocker_port,
 	return wops->port_attr_bridge_flags_get(rocker_port, p_brport_flags);
 }
 
-static int
-rocker_world_port_attr_bridge_flags_support_get(const struct rocker_port *
-						rocker_port,
-						unsigned long *
-						p_brport_flags_support)
-{
-	struct rocker_world_ops *wops = rocker_port->rocker->wops;
-
-	if (!wops->port_attr_bridge_flags_support_get)
-		return -EOPNOTSUPP;
-	return wops->port_attr_bridge_flags_support_get(rocker_port,
-							p_brport_flags_support);
-}
-
 static int
 rocker_world_port_attr_bridge_ageing_time_set(struct rocker_port *rocker_port,
 					      u32 ageing_time,
-- 
2.17.1

Florian Fainelli

2019-Feb-09 00:32 UTC

head link

[Bridge] [PATCH net-next 06/16] net: bridge: Stop calling switchdev_port_attr_get()

Now that all switchdev drivers have been converted to checking the
bridge port flags during the prepare phase of the
switchdev_port_attr_set(), we can move straight to trying to set the
desired flag through SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS.

Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
---
 net/bridge/br_switchdev.c | 20 +++-----------------
 1 file changed, 3 insertions(+), 17 deletions(-)

diff --git a/net/bridge/br_switchdev.c b/net/bridge/br_switchdev.c
index db9e8ab96d48..939f300522c5 100644
--- a/net/bridge/br_switchdev.c
+++ b/net/bridge/br_switchdev.c
@@ -64,29 +64,15 @@ int br_switchdev_set_port_flag(struct net_bridge_port *p,
 {
 	struct switchdev_attr attr = {
 		.orig_dev = p->dev,
-		.id = SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT,
+		.id = SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS,
+		.flags = SWITCHDEV_F_DEFER,
+		.u.brport_flags = flags,
 	};
 	int err;
 
 	if (mask & ~BR_PORT_FLAGS_HW_OFFLOAD)
 		return 0;
 
-	err = switchdev_port_attr_get(p->dev, &attr);
-	if (err == -EOPNOTSUPP)
-		return 0;
-	if (err)
-		return err;
-
-	/* Check if specific bridge flag attribute offload is supported */
-	if (!(attr.u.brport_flags_support & mask)) {
-		br_warn(p->br, "bridge flag offload is not supported %u(%s)\n",
-			(unsigned int)p->port_no, p->dev->name);
-		return -EOPNOTSUPP;
-	}
-
-	attr.id = SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS;
-	attr.flags = SWITCHDEV_F_DEFER;
-	attr.u.brport_flags = flags;
 	err = switchdev_port_attr_set(p->dev, &attr);
 	if (err) {
 		br_warn(p->br, "error setting offload flag on port %u(%s)\n",
-- 
2.17.1

Florian Fainelli

2019-Feb-09 00:32 UTC

head link

[Bridge] [PATCH net-next 07/16] net: Remove SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT

Now that we have converted the bridge code and the drivers to check for
bridge port(s) flags at the time we try to set them, there is no need
for a get() -> set() sequence anymore and
SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT therefore becomes unused.

Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
---
 .../net/ethernet/mellanox/mlxsw/spectrum_switchdev.c   |  4 ----
 drivers/net/ethernet/rocker/rocker_main.c              |  4 ----
 drivers/staging/fsl-dpaa2/ethsw/ethsw.c                |  3 ---
 include/net/switchdev.h                                |  2 --
 net/dsa/slave.c                                        | 10 +---------
 5 files changed, 1 insertion(+), 22 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 468a6d513074..8242a373f6e7 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -455,10 +455,6 @@ static int mlxsw_sp_port_attr_get(struct net_device *dev,
 		mlxsw_sp_port_bridge_flags_get(mlxsw_sp->bridge, attr->orig_dev,
 					       &attr->u.brport_flags);
 		break;
-	case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT:
-		attr->u.brport_flags_support = BR_LEARNING | BR_FLOOD |
-					       BR_MCAST_FLOOD;
-		break;
 	default:
 		return -EOPNOTSUPP;
 	}
diff --git a/drivers/net/ethernet/rocker/rocker_main.c
b/drivers/net/ethernet/rocker/rocker_main.c
index 8657313b6f30..375c4c908bea 100644
--- a/drivers/net/ethernet/rocker/rocker_main.c
+++ b/drivers/net/ethernet/rocker/rocker_main.c
@@ -2075,10 +2075,6 @@ static int rocker_port_attr_get(struct net_device *dev,
 		err = rocker_world_port_attr_bridge_flags_get(rocker_port,
 							      &attr->u.brport_flags);
 		break;
-	case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT:
-		err = rocker_world_port_attr_bridge_flags_support_get(rocker_port,
-								      &attr->u.brport_flags_support);
-		break;
 	default:
 		return -EOPNOTSUPP;
 	}
diff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
index 6228c4375835..79635d1091df 100644
--- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
+++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
@@ -651,9 +651,6 @@ static int swdev_port_attr_get(struct net_device *netdev,
 			(port_priv->ethsw_data->learning ? BR_LEARNING : 0) |
 			(port_priv->flood ? BR_FLOOD : 0);
 		break;
-	case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT:
-		attr->u.brport_flags_support = BR_LEARNING | BR_FLOOD;
-		break;
 	default:
 		return -EOPNOTSUPP;
 	}
diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index 5e87b54c5dc5..e2083824e577 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -45,7 +45,6 @@ enum switchdev_attr_id {
 	SWITCHDEV_ATTR_ID_UNDEFINED,
 	SWITCHDEV_ATTR_ID_PORT_STP_STATE,
 	SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS,
-	SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT,
 	SWITCHDEV_ATTR_ID_PORT_MROUTER,
 	SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
 	SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING,
@@ -62,7 +61,6 @@ struct switchdev_attr {
 	union {
 		u8 stp_state;				/* PORT_STP_STATE */
 		unsigned long brport_flags;		/* PORT_BRIDGE_FLAGS */
-		unsigned long brport_flags_support;	/* PORT_BRIDGE_FLAGS_SUPPORT */
 		bool mrouter;				/* PORT_MROUTER */
 		clock_t ageing_time;			/* BRIDGE_AGEING_TIME */
 		bool vlan_filtering;			/* BRIDGE_VLAN_FILTERING */
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 212fc1cc27fc..5797da954e77 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -382,15 +382,7 @@ static int dsa_slave_get_port_parent_id(struct net_device
*dev,
 static int dsa_slave_port_attr_get(struct net_device *dev,
 				   struct switchdev_attr *attr)
 {
-	switch (attr->id) {
-	case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT:
-		attr->u.brport_flags_support = 0;
-		break;
-	default:
-		return -EOPNOTSUPP;
-	}
-
-	return 0;
+	return -EOPNOTSUPP;
 }
 
 static inline netdev_tx_t dsa_slave_netpoll_send_skb(struct net_device *dev,
-- 
2.17.1

Florian Fainelli

2019-Feb-09 00:32 UTC

head link

[Bridge] [PATCH net-next 08/16] net: Get rid of switchdev_port_attr_get()

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 at gmail.com>
---
 Documentation/networking/switchdev.txt        |  5 ++-
 .../mellanox/mlxsw/spectrum_switchdev.c       | 32 -------------------
 drivers/net/ethernet/rocker/rocker_main.c     | 30 -----------------
 drivers/staging/fsl-dpaa2/ethsw/ethsw.c       | 19 -----------
 include/net/switchdev.h                       |  8 -----
 net/dsa/slave.c                               |  7 ----
 6 files changed, 2 insertions(+), 99 deletions(-)

diff --git a/Documentation/networking/switchdev.txt
b/Documentation/networking/switchdev.txt
index 2842f63ad47b..0d9530bf745b 100644
--- a/Documentation/networking/switchdev.txt
+++ b/Documentation/networking/switchdev.txt
@@ -233,9 +233,8 @@ 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 and learning_sync port attributes, the driver implements
-switchdev op switchdev_port_attr_get/set for
-SWITCHDEV_ATTR_PORT_ID_BRIDGE_FLAGS. The driver should initialize the
attributes
-to the hardware defaults.
+switchdev op switchdev_port_attr_set for SWITCHDEV_ATTR_PORT_ID_BRIDGE_FLAGS.
+The driver should initialize the attributes to the hardware defaults.
 
 FDB Ageing
 ^^^^^^^^^^
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 8242a373f6e7..6b09d68671cf 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -431,37 +431,6 @@ static void mlxsw_sp_bridge_vlan_put(struct
mlxsw_sp_bridge_vlan *bridge_vlan)
 		mlxsw_sp_bridge_vlan_destroy(bridge_vlan);
 }
 
-static void mlxsw_sp_port_bridge_flags_get(struct mlxsw_sp_bridge *bridge,
-					   struct net_device *dev,
-					   unsigned long *brport_flags)
-{
-	struct mlxsw_sp_bridge_port *bridge_port;
-
-	bridge_port = mlxsw_sp_bridge_port_find(bridge, dev);
-	if (WARN_ON(!bridge_port))
-		return;
-
-	memcpy(brport_flags, &bridge_port->flags, sizeof(*brport_flags));
-}
-
-static int mlxsw_sp_port_attr_get(struct net_device *dev,
-				  struct switchdev_attr *attr)
-{
-	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
-	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
-
-	switch (attr->id) {
-	case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS:
-		mlxsw_sp_port_bridge_flags_get(mlxsw_sp->bridge, attr->orig_dev,
-					       &attr->u.brport_flags);
-		break;
-	default:
-		return -EOPNOTSUPP;
-	}
-
-	return 0;
-}
-
 static int
 mlxsw_sp_port_bridge_vlan_stp_set(struct mlxsw_sp_port *mlxsw_sp_port,
 				  struct mlxsw_sp_bridge_vlan *bridge_vlan,
@@ -1957,7 +1926,6 @@ 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 375c4c908bea..ff3f14504f4f 100644
--- a/drivers/net/ethernet/rocker/rocker_main.c
+++ b/drivers/net/ethernet/rocker/rocker_main.c
@@ -1606,17 +1606,6 @@ rocker_world_port_attr_bridge_flags_set(struct
rocker_port *rocker_port,
 						trans);
 }
 
-static int
-rocker_world_port_attr_bridge_flags_get(const struct rocker_port *rocker_port,
-					unsigned long *p_brport_flags)
-{
-	struct rocker_world_ops *wops = rocker_port->rocker->wops;
-
-	if (!wops->port_attr_bridge_flags_get)
-		return -EOPNOTSUPP;
-	return wops->port_attr_bridge_flags_get(rocker_port, p_brport_flags);
-}
-
 static int
 rocker_world_port_attr_bridge_ageing_time_set(struct rocker_port *rocker_port,
 					      u32 ageing_time,
@@ -2064,24 +2053,6 @@ 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)
-{
-	const struct rocker_port *rocker_port = netdev_priv(dev);
-	int err = 0;
-
-	switch (attr->id) {
-	case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS:
-		err = rocker_world_port_attr_bridge_flags_get(rocker_port,
-							      &attr->u.brport_flags);
-		break;
-	default:
-		return -EOPNOTSUPP;
-	}
-
-	return err;
-}
-
 static int rocker_port_attr_set(struct net_device *dev,
 				const struct switchdev_attr *attr,
 				struct switchdev_trans *trans)
@@ -2154,7 +2125,6 @@ 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 79635d1091df..b195b09e0d1d 100644
--- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
+++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
@@ -640,24 +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)
-{
-	struct ethsw_port_priv *port_priv = netdev_priv(netdev);
-
-	switch (attr->id) {
-	case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS:
-		attr->u.brport_flags -			(port_priv->ethsw_data->learning ?
BR_LEARNING : 0) |
-			(port_priv->flood ? BR_FLOOD : 0);
-		break;
-	default:
-		return -EOPNOTSUPP;
-	}
-
-	return 0;
-}
-
 static int port_attr_stp_state_set(struct net_device *netdev,
 				   struct switchdev_trans *trans,
 				   u8 state)
@@ -933,7 +915,6 @@ 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 e2083824e577..96cd3e795f7f 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -178,8 +178,6 @@ 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,
@@ -224,12 +222,6 @@ 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 5797da954e77..ae34be949d79 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -379,12 +379,6 @@ 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)
 {
@@ -1051,7 +1045,6 @@ 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

Florian Fainelli

2019-Feb-09 00:32 UTC

head link

[Bridge] [PATCH net-next 09/16] switchdev: Add SWITCHDEV_PORT_ATTR_SET

In preparation for allowing switchdev enabled drivers to veto specific
attribute settings from within the context of the caller, introduce a
new switchdev notifier type for port attributes.

Suggested-by: Ido Schimmel <idosch at mellanox.com>
Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
---
 include/net/switchdev.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index 96cd3e795f7f..4c5f7e5430cf 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -141,6 +141,8 @@ enum switchdev_notifier_type {
 	SWITCHDEV_VXLAN_FDB_ADD_TO_DEVICE,
 	SWITCHDEV_VXLAN_FDB_DEL_TO_DEVICE,
 	SWITCHDEV_VXLAN_FDB_OFFLOADED,
+
+	SWITCHDEV_PORT_ATTR_SET, /* Blocking. */
 };
 
 struct switchdev_notifier_info {
@@ -163,6 +165,13 @@ struct switchdev_notifier_port_obj_info {
 	bool handled;
 };
 
+struct switchdev_notifier_port_attr_info {
+	struct switchdev_notifier_info info; /* must be first */
+	const struct switchdev_attr *attr;
+	struct switchdev_trans *trans;
+	bool handled;
+};
+
 static inline struct net_device *
 switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info)
 {
-- 
2.17.1

Florian Fainelli

2019-Feb-09 00:32 UTC

head link

[Bridge] [PATCH net-next 10/16] rocker: Handle SWITCHDEV_PORT_ATTR_SET

Following patches will change the way we communicate getting or setting
a port's attribute and use a blocking notifier to perform those tasks.

Prepare rocker to support receiving notifier events targeting
SWITCHDEV_PORT_ATTR_SET and simply translate that into the existing
rocker_port_attr_set call.

Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
---
 drivers/net/ethernet/rocker/rocker_main.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/net/ethernet/rocker/rocker_main.c
b/drivers/net/ethernet/rocker/rocker_main.c
index ff3f14504f4f..f10e4888ecff 100644
--- a/drivers/net/ethernet/rocker/rocker_main.c
+++ b/drivers/net/ethernet/rocker/rocker_main.c
@@ -2811,6 +2811,24 @@ rocker_switchdev_port_obj_event(unsigned long event,
struct net_device *netdev,
 	return notifier_from_errno(err);
 }
 
+static int
+rocker_switchdev_port_attr_event(unsigned long event, struct net_device
*netdev,
+				 struct switchdev_notifier_port_attr_info
+				 *port_attr_info)
+{
+	int err = -EOPNOTSUPP;
+
+	switch (event) {
+	case SWITCHDEV_PORT_ATTR_SET:
+		err = rocker_port_attr_set(netdev, port_attr_info->attr,
+					   port_attr_info->trans);
+		break;
+	}
+
+	port_attr_info->handled = true;
+	return notifier_from_errno(err);
+}
+
 static int rocker_switchdev_blocking_event(struct notifier_block *unused,
 					   unsigned long event, void *ptr)
 {
@@ -2823,6 +2841,8 @@ static int rocker_switchdev_blocking_event(struct
notifier_block *unused,
 	case SWITCHDEV_PORT_OBJ_ADD:
 	case SWITCHDEV_PORT_OBJ_DEL:
 		return rocker_switchdev_port_obj_event(event, dev, ptr);
+	case SWITCHDEV_PORT_ATTR_SET:
+		return rocker_switchdev_port_attr_event(event, dev, ptr);
 	}
 
 	return NOTIFY_DONE;
-- 
2.17.1

Florian Fainelli

2019-Feb-09 00:32 UTC

head link

[Bridge] [PATCH net-next 11/16] net: dsa: Handle SWITCHDEV_PORT_ATTR_SET

Following patches will change the way we communicate getting or setting
a port's attribute and use a blocking notifier to perform those tasks.

Prepare DSA to support receiving notifier events targeting
SWITCHDEV_PORT_ATTR_SET and simply translate that into the existing
dsa_slave_port_attr_set() call.

Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
---
 net/dsa/slave.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index ae34be949d79..f8c7c1b2cd2f 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -1544,6 +1544,24 @@ dsa_slave_switchdev_port_obj_event(unsigned long event,
 	return notifier_from_errno(err);
 }
 
+static int
+dsa_slave_switchdev_port_attr_event(unsigned long event,
+		struct net_device *netdev,
+		struct switchdev_notifier_port_attr_info *port_attr_info)
+{
+	int err = -EOPNOTSUPP;
+
+	switch (event) {
+	case SWITCHDEV_PORT_ATTR_SET:
+		err = dsa_slave_port_attr_set(netdev, port_attr_info->attr,
+					      port_attr_info->trans);
+		break;
+	}
+
+	port_attr_info->handled = true;
+	return notifier_from_errno(err);
+}
+
 static int dsa_slave_switchdev_blocking_event(struct notifier_block *unused,
 					      unsigned long event, void *ptr)
 {
@@ -1556,6 +1574,8 @@ static int dsa_slave_switchdev_blocking_event(struct
notifier_block *unused,
 	case SWITCHDEV_PORT_OBJ_ADD: /* fall through */
 	case SWITCHDEV_PORT_OBJ_DEL:
 		return dsa_slave_switchdev_port_obj_event(event, dev, ptr);
+	case SWITCHDEV_PORT_ATTR_SET: /* fallthrough */
+		return dsa_slave_switchdev_port_attr_event(event, dev, ptr);
 	}
 
 	return NOTIFY_DONE;
-- 
2.17.1

Florian Fainelli

2019-Feb-09 00:32 UTC

head link

[Bridge] [PATCH net-next 12/16] mlxsw: spectrum_switchdev: Handle SWITCHDEV_PORT_ATTR_SET

Following patches will change the way we communicate getting or setting
a port's attribute and use a blocking notifier to perform those tasks.

Prepare mlxsw to support receiving notifier events targeting
SWITCHDEV_PORT_ATTR_SET and simply translate that into the existing
mlxsw_sp_port_attr_set() call.

Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
---
 .../mellanox/mlxsw/spectrum_switchdev.c       | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 6b09d68671cf..29ffb5cac777 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -3410,6 +3410,23 @@ mlxsw_sp_switchdev_handle_vxlan_obj_del(struct net_device
*vxlan_dev,
 	}
 }
 
+static int
+mlxsw_sp_switchdev_port_attr_event(unsigned long event, struct net_device *dev,
+		struct switchdev_notifier_port_attr_info *port_attr_info)
+{
+	int err = -EOPNOTSUPP;
+
+	switch (event) {
+	case SWITCHDEV_PORT_ATTR_SET:
+		err = mlxsw_sp_port_attr_set(dev, port_attr_info->attr,
+					     port_attr_info->trans);
+		break;
+	}
+
+	port_attr_info->handled = true;
+	return notifier_from_errno(err);
+}
+
 static int mlxsw_sp_switchdev_blocking_event(struct notifier_block *unused,
 					     unsigned long event, void *ptr)
 {
@@ -3433,6 +3450,8 @@ static int mlxsw_sp_switchdev_blocking_event(struct
notifier_block *unused,
 							mlxsw_sp_port_dev_check,
 							mlxsw_sp_port_obj_del);
 		return notifier_from_errno(err);
+	case SWITCHDEV_PORT_ATTR_SET:
+		return mlxsw_sp_switchdev_port_attr_event(event, dev, ptr);
 	}
 
 	return NOTIFY_DONE;
-- 
2.17.1

Florian Fainelli

2019-Feb-09 00:32 UTC

head link

[Bridge] [PATCH net-next 13/16] net: mscc: ocelot: Handle SWITCHDEV_PORT_ATTR_SET

Following patches will change the way we communicate getting or setting
a port's attribute and use a blocking notifier to perform those tasks.

Prepare ocelot to support receiving notifier events targeting
SWITCHDEV_PORT_ATTR_SET and simply translate that into the existing
ocelot_port_attr_set() call.

Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
---
 drivers/net/ethernet/mscc/ocelot.c | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/mscc/ocelot.c
b/drivers/net/ethernet/mscc/ocelot.c
index 195306d05bcd..adab478d36f1 100644
--- a/drivers/net/ethernet/mscc/ocelot.c
+++ b/drivers/net/ethernet/mscc/ocelot.c
@@ -1324,10 +1324,6 @@ static int ocelot_port_obj_del(struct net_device *dev,
 	return ret;
 }
 
-static const struct switchdev_ops ocelot_port_switchdev_ops = {
-	.switchdev_port_attr_set	= ocelot_port_attr_set,
-};
-
 static int ocelot_port_bridge_join(struct ocelot_port *ocelot_port,
 				   struct net_device *bridge)
 {
@@ -1582,6 +1578,24 @@ struct notifier_block ocelot_netdevice_nb __read_mostly =
{
 };
 EXPORT_SYMBOL(ocelot_netdevice_nb);
 
+static int
+ocelot_switchdev_port_attr_event(unsigned long event,
+		struct net_device *netdev,
+		struct switchdev_notifier_port_attr_info *port_attr_info)
+{
+	int err = -EOPNOTSUPP;
+
+	switch (event) {
+	case SWITCHDEV_PORT_ATTR_SET:
+		err = ocelot_port_attr_set(netdev, port_attr_info->attr,
+					   port_attr_info->trans);
+		break;
+	}
+
+	port_attr_info->handled = true;
+	return notifier_from_errno(err);
+}
+
 static int ocelot_switchdev_blocking_event(struct notifier_block *unused,
 					   unsigned long event, void *ptr)
 {
@@ -1600,6 +1614,8 @@ static int ocelot_switchdev_blocking_event(struct
notifier_block *unused,
 						    ocelot_netdevice_dev_check,
 						    ocelot_port_obj_del);
 		return notifier_from_errno(err);
+	case SWITCHDEV_PORT_ATTR_SET:
+		return ocelot_switchdev_port_attr_event(event, dev, ptr);
 	}
 
 	return NOTIFY_DONE;
-- 
2.17.1

Florian Fainelli

2019-Feb-09 00:32 UTC

head link

[Bridge] [PATCH net-next 14/16] staging: fsl-dpaa2: ethsw: Handle SWITCHDEV_PORT_ATTR_SET

Following patches will change the way we communicate getting or setting
a port's attribute and use a blocking notifier to perform those tasks.

Prepare ethsw to support receiving notifier events targeting
SWITCHDEV_PORT_ATTR_SET and simply translate that into the existing
swdev_port_attr_set() call.

Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
---
 drivers/staging/fsl-dpaa2/ethsw/ethsw.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
index b195b09e0d1d..d40bdcadd569 100644
--- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
+++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
@@ -1092,6 +1092,24 @@ ethsw_switchdev_port_obj_event(unsigned long event,
struct net_device *netdev,
 	return notifier_from_errno(err);
 }
 
+static int
+ethsw_switchdev_port_attr_event(unsigned long event,
+		struct net_device *netdev,
+		struct switchdev_notifier_port_attr_info *port_attr_info)
+{
+	int err = -EOPNOTSUPP;
+
+	switch (event) {
+	case SWITCHDEV_PORT_ATTR_SET:
+		err = swdev_port_attr_set(netdev, port_attr_info->attr,
+					  port_attr_info->trans);
+		break;
+	}
+
+	port_attr_info->handled = true;
+	return notifier_from_errno(err);
+}
+
 static int port_switchdev_blocking_event(struct notifier_block *unused,
 					 unsigned long event, void *ptr)
 {
@@ -1104,6 +1122,8 @@ static int port_switchdev_blocking_event(struct
notifier_block *unused,
 	case SWITCHDEV_PORT_OBJ_ADD: /* fall through */
 	case SWITCHDEV_PORT_OBJ_DEL:
 		return ethsw_switchdev_port_obj_event(event, dev, ptr);
+	case SWITCHDEV_PORT_ATTR_SET:
+		return ethsw_switchdev_port_attr_event(event, dev, ptr);
 	}
 
 	return NOTIFY_DONE;
-- 
2.17.1

Florian Fainelli

2019-Feb-09 00:32 UTC

head link

[Bridge] [PATCH net-next 15/16] net: switchdev: Replace port attr set SDO with a notification

Drop switchdev_ops.switchdev_port_attr_set. Drop the uses of this field
from all clients, which were migrated to use switchdev notification in
the previous patches.

Add a new function switchdev_port_attr_notify() that sends the switchdev
notifications SWITCHDEV_PORT_ATTR_SET.

Drop __switchdev_port_attr_set() and update switchdev_port_attr_set()
likewise.

Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
---
 include/net/switchdev.h   | 18 --------
 net/switchdev/switchdev.c | 92 ++++++++++-----------------------------
 2 files changed, 22 insertions(+), 88 deletions(-)

diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index 4c5f7e5430cf..5387ff6f41c5 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -111,21 +111,6 @@ void *switchdev_trans_item_dequeue(struct switchdev_trans
*trans);
 
 typedef int switchdev_obj_dump_cb_t(struct switchdev_obj *obj);
 
-/**
- * struct switchdev_ops - switchdev operations
- *
- * @switchdev_port_attr_get: Get a port attribute (see switchdev_attr).
- *
- * @switchdev_port_attr_set: Set a port attribute (see switchdev_attr).
- */
-struct switchdev_ops {
-	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,
-					   struct switchdev_trans *trans);
-};
-
 enum switchdev_notifier_type {
 	SWITCHDEV_FDB_ADD_TO_BRIDGE = 1,
 	SWITCHDEV_FDB_DEL_TO_BRIDGE,
@@ -224,7 +209,6 @@ int switchdev_handle_port_obj_del(struct net_device *dev,
 			int (*del_cb)(struct net_device *dev,
 				      const struct switchdev_obj *obj));
 
-#define SWITCHDEV_SET_OPS(netdev, ops) ((netdev)->switchdev_ops = (ops))
 #else
 
 static inline void switchdev_deferred_process(void)
@@ -311,8 +295,6 @@ switchdev_handle_port_obj_del(struct net_device *dev,
 	return 0;
 }
 
-#define SWITCHDEV_SET_OPS(netdev, ops) do {} while (0)
-
 #endif
 
 #endif /* _LINUX_SWITCHDEV_H_ */
diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c
index 7e1357db33d7..5a053e20363e 100644
--- a/net/switchdev/switchdev.c
+++ b/net/switchdev/switchdev.c
@@ -174,81 +174,31 @@ static int switchdev_deferred_enqueue(struct net_device
*dev,
 	return 0;
 }
 
-/**
- *	switchdev_port_attr_get - Get port attribute
- *
- *	@dev: port device
- *	@attr: attribute to get
- */
-int switchdev_port_attr_get(struct net_device *dev, struct switchdev_attr
*attr)
+static int switchdev_port_attr_notify(enum switchdev_notifier_type nt,
+				      struct net_device *dev,
+				      struct switchdev_attr *attr,
+				      struct switchdev_trans *trans)
 {
-	const struct switchdev_ops *ops = dev->switchdev_ops;
-	struct net_device *lower_dev;
-	struct list_head *iter;
-	struct switchdev_attr first = {
-		.id = SWITCHDEV_ATTR_ID_UNDEFINED
-	};
-	int err = -EOPNOTSUPP;
+	int err;
+	int rc;
 
-	if (ops && ops->switchdev_port_attr_get)
-		return ops->switchdev_port_attr_get(dev, attr);
+	struct switchdev_notifier_port_attr_info attr_info = {
+		.attr = attr,
+		.trans = trans,
+		.handled = false,
+	};
 
-	if (attr->flags & SWITCHDEV_F_NO_RECURSE)
+	rc = call_switchdev_blocking_notifiers(nt, dev, &attr_info.info, NULL);
+	err = notifier_to_errno(rc);
+	if (err) {
+		WARN_ON(!attr_info.handled);
 		return err;
-
-	/* Switch device port(s) may be stacked under
-	 * bond/team/vlan dev, so recurse down to get attr on
-	 * each port.  Return -ENODATA if attr values don't
-	 * compare across ports.
-	 */
-
-	netdev_for_each_lower_dev(dev, lower_dev, iter) {
-		err = switchdev_port_attr_get(lower_dev, attr);
-		if (err)
-			break;
-		if (first.id == SWITCHDEV_ATTR_ID_UNDEFINED)
-			first = *attr;
-		else if (memcmp(&first, attr, sizeof(*attr)))
-			return -ENODATA;
 	}
 
-	return err;
-}
-EXPORT_SYMBOL_GPL(switchdev_port_attr_get);
-
-static int __switchdev_port_attr_set(struct net_device *dev,
-				     const struct switchdev_attr *attr,
-				     struct switchdev_trans *trans)
-{
-	const struct switchdev_ops *ops = dev->switchdev_ops;
-	struct net_device *lower_dev;
-	struct list_head *iter;
-	int err = -EOPNOTSUPP;
-
-	if (ops && ops->switchdev_port_attr_set) {
-		err = ops->switchdev_port_attr_set(dev, attr, trans);
-		goto done;
-	}
-
-	if (attr->flags & SWITCHDEV_F_NO_RECURSE)
-		goto done;
-
-	/* Switch device port(s) may be stacked under
-	 * bond/team/vlan dev, so recurse down to set attr on
-	 * each port.
-	 */
-
-	netdev_for_each_lower_dev(dev, lower_dev, iter) {
-		err = __switchdev_port_attr_set(lower_dev, attr, trans);
-		if (err)
-			break;
-	}
-
-done:
-	if (err == -EOPNOTSUPP && attr->flags &
SWITCHDEV_F_SKIP_EOPNOTSUPP)
-		err = 0;
+	if (!attr_info.handled)
+		return -EOPNOTSUPP;
 
-	return err;
+	return 0;
 }
 
 static int switchdev_port_attr_set_now(struct net_device *dev,
@@ -267,7 +217,8 @@ static int switchdev_port_attr_set_now(struct net_device
*dev,
 	 */
 
 	trans.ph_prepare = true;
-	err = __switchdev_port_attr_set(dev, attr, &trans);
+	err = switchdev_port_attr_notify(SWITCHDEV_PORT_ATTR_SET, dev, attr,
+					 &trans);
 	if (err) {
 		/* Prepare phase failed: abort the transaction.  Any
 		 * resources reserved in the prepare phase are
@@ -286,7 +237,8 @@ static int switchdev_port_attr_set_now(struct net_device
*dev,
 	 */
 
 	trans.ph_prepare = false;
-	err = __switchdev_port_attr_set(dev, attr, &trans);
+	err = switchdev_port_attr_notify(SWITCHDEV_PORT_ATTR_SET, dev, attr,
+					 &trans);
 	WARN(err, "%s: Commit of attribute (id=%d) failed.\n",
 	     dev->name, attr->id);
 	switchdev_trans_items_warn_destroy(dev, &trans);
-- 
2.17.1

Florian Fainelli

2019-Feb-09 00:32 UTC

head link

[Bridge] [PATCH net-next 16/16] net: Remove switchdev_ops

Now that we have converted all possible callers to using a switchdev
notifier for attributes we do not have a need for implementing
switchdev_ops anymore, and this can be removed from all drivers the
net_device structure.

Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
---
 drivers/net/ethernet/mellanox/mlxsw/spectrum.c       | 12 ------------
 drivers/net/ethernet/mellanox/mlxsw/spectrum.h       |  2 --
 .../net/ethernet/mellanox/mlxsw/spectrum_switchdev.c | 12 ------------
 drivers/net/ethernet/mscc/ocelot.c                   |  1 -
 drivers/net/ethernet/rocker/rocker_main.c            |  5 -----
 drivers/staging/fsl-dpaa2/ethsw/ethsw.c              |  5 -----
 include/linux/netdevice.h                            |  3 ---
 net/dsa/slave.c                                      |  5 -----
 8 files changed, 45 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 8dd808b7f931..18b56afbd5d7 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -3220,7 +3220,6 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp,
u8 local_port,
 	}
 	mlxsw_sp_port->default_vlan = mlxsw_sp_port_vlan;
 
-	mlxsw_sp_port_switchdev_init(mlxsw_sp_port);
 	mlxsw_sp->ports[local_port] = mlxsw_sp_port;
 	err = register_netdev(dev);
 	if (err) {
@@ -3237,7 +3236,6 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp,
u8 local_port,
 
 err_register_netdev:
 	mlxsw_sp->ports[local_port] = NULL;
-	mlxsw_sp_port_switchdev_fini(mlxsw_sp_port);
 	mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan);
 err_port_vlan_create:
 err_port_pvid_set:
@@ -3280,7 +3278,6 @@ static void mlxsw_sp_port_remove(struct mlxsw_sp
*mlxsw_sp, u8 local_port)
 	mlxsw_core_port_clear(mlxsw_sp->core, local_port, mlxsw_sp);
 	unregister_netdev(mlxsw_sp_port->dev); /* This calls ndo_stop */
 	mlxsw_sp->ports[local_port] = NULL;
-	mlxsw_sp_port_switchdev_fini(mlxsw_sp_port);
 	mlxsw_sp_port_vlan_flush(mlxsw_sp_port, true);
 	mlxsw_sp_port_nve_fini(mlxsw_sp_port);
 	mlxsw_sp_tc_qdisc_fini(mlxsw_sp_port);
@@ -4001,12 +3998,6 @@ static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core,
 		goto err_span_init;
 	}
 
-	err = mlxsw_sp_switchdev_init(mlxsw_sp);
-	if (err) {
-		dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize
switchdev\n");
-		goto err_switchdev_init;
-	}
-
 	err = mlxsw_sp_counter_pool_init(mlxsw_sp);
 	if (err) {
 		dev_err(mlxsw_sp->bus_info->dev, "Failed to init counter
pool\n");
@@ -4077,8 +4068,6 @@ static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core,
 err_afa_init:
 	mlxsw_sp_counter_pool_fini(mlxsw_sp);
 err_counter_pool_init:
-	mlxsw_sp_switchdev_fini(mlxsw_sp);
-err_switchdev_init:
 	mlxsw_sp_span_fini(mlxsw_sp);
 err_span_init:
 	mlxsw_sp_lag_fini(mlxsw_sp);
@@ -4141,7 +4130,6 @@ static void mlxsw_sp_fini(struct mlxsw_core *mlxsw_core)
 	mlxsw_sp_nve_fini(mlxsw_sp);
 	mlxsw_sp_afa_fini(mlxsw_sp);
 	mlxsw_sp_counter_pool_fini(mlxsw_sp);
-	mlxsw_sp_switchdev_fini(mlxsw_sp);
 	mlxsw_sp_span_fini(mlxsw_sp);
 	mlxsw_sp_lag_fini(mlxsw_sp);
 	mlxsw_sp_buffers_fini(mlxsw_sp);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
index 4fe0996c7cdd..76f51087e35a 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
@@ -375,8 +375,6 @@ u32 mlxsw_sp_bytes_cells(const struct mlxsw_sp *mlxsw_sp,
u32 bytes);
 /* spectrum_switchdev.c */
 int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp);
 void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp);
-void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port);
-void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port *mlxsw_sp_port);
 int mlxsw_sp_rif_fdb_op(struct mlxsw_sp *mlxsw_sp, const char *mac, u16 fid,
 			bool adding);
 void
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 29ffb5cac777..9951cfe0b244 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -1925,10 +1925,6 @@ static struct mlxsw_sp_port *mlxsw_sp_lag_rep_port(struct
mlxsw_sp *mlxsw_sp,
 	return NULL;
 }
 
-static const struct switchdev_ops mlxsw_sp_port_switchdev_ops = {
-	.switchdev_port_attr_set	= mlxsw_sp_port_attr_set,
-};
-
 static int
 mlxsw_sp_bridge_8021q_port_join(struct mlxsw_sp_bridge_device *bridge_device,
 				struct mlxsw_sp_bridge_port *bridge_port,
@@ -3539,11 +3535,3 @@ void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp)
 	kfree(mlxsw_sp->bridge);
 }
 
-void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port)
-{
-	mlxsw_sp_port->dev->switchdev_ops = &mlxsw_sp_port_switchdev_ops;
-}
-
-void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port *mlxsw_sp_port)
-{
-}
diff --git a/drivers/net/ethernet/mscc/ocelot.c
b/drivers/net/ethernet/mscc/ocelot.c
index adab478d36f1..b333965dd02f 100644
--- a/drivers/net/ethernet/mscc/ocelot.c
+++ b/drivers/net/ethernet/mscc/ocelot.c
@@ -1649,7 +1649,6 @@ int ocelot_probe_port(struct ocelot *ocelot, u8 port,
 
 	dev->netdev_ops = &ocelot_port_netdev_ops;
 	dev->ethtool_ops = &ocelot_ethtool_ops;
-	dev->switchdev_ops = &ocelot_port_switchdev_ops;
 
 	dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_RXFCS;
 	dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
diff --git a/drivers/net/ethernet/rocker/rocker_main.c
b/drivers/net/ethernet/rocker/rocker_main.c
index f10e4888ecff..6f70b48ce6ee 100644
--- a/drivers/net/ethernet/rocker/rocker_main.c
+++ b/drivers/net/ethernet/rocker/rocker_main.c
@@ -2124,10 +2124,6 @@ static int rocker_port_obj_del(struct net_device *dev,
 	return err;
 }
 
-static const struct switchdev_ops rocker_port_switchdev_ops = {
-	.switchdev_port_attr_set	= rocker_port_attr_set,
-};
-
 struct rocker_fib_event_work {
 	struct work_struct work;
 	union {
@@ -2581,7 +2577,6 @@ static int rocker_probe_port(struct rocker *rocker,
unsigned int port_number)
 	rocker_port_dev_addr_init(rocker_port);
 	dev->netdev_ops = &rocker_port_netdev_ops;
 	dev->ethtool_ops = &rocker_port_ethtool_ops;
-	dev->switchdev_ops = &rocker_port_switchdev_ops;
 	netif_tx_napi_add(dev, &rocker_port->napi_tx, rocker_port_poll_tx,
 			  NAPI_POLL_WEIGHT);
 	netif_napi_add(dev, &rocker_port->napi_rx, rocker_port_poll_rx,
diff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
index d40bdcadd569..5cc60e6ceafc 100644
--- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
+++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
@@ -914,10 +914,6 @@ static int swdev_port_obj_del(struct net_device *netdev,
 	return err;
 }
 
-static const struct switchdev_ops ethsw_port_switchdev_ops = {
-	.switchdev_port_attr_set	= swdev_port_attr_set,
-};
-
 /* For the moment, only flood setting needs to be updated */
 static int port_bridge_join(struct net_device *netdev,
 			    struct net_device *upper_dev)
@@ -1443,7 +1439,6 @@ static int ethsw_probe_port(struct ethsw_core *ethsw, u16
port_idx)
 	SET_NETDEV_DEV(port_netdev, dev);
 	port_netdev->netdev_ops = &ethsw_port_ops;
 	port_netdev->ethtool_ops = &ethsw_port_ethtool_ops;
-	port_netdev->switchdev_ops = &ethsw_port_switchdev_ops;
 
 	/* Set MTU limits */
 	port_netdev->min_mtu = ETH_MIN_MTU;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 1d95e634f3fe..6dc84bc43e52 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1833,9 +1833,6 @@ struct net_device {
 #endif
 	const struct net_device_ops *netdev_ops;
 	const struct ethtool_ops *ethtool_ops;
-#ifdef CONFIG_NET_SWITCHDEV
-	const struct switchdev_ops *switchdev_ops;
-#endif
 #ifdef CONFIG_NET_L3_MASTER_DEV
 	const struct l3mdev_ops	*l3mdev_ops;
 #endif
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index f8c7c1b2cd2f..4178da259339 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -1044,10 +1044,6 @@ static const struct net_device_ops dsa_slave_netdev_ops =
{
 	.ndo_get_port_parent_id	= dsa_slave_get_port_parent_id,
 };
 
-static const struct switchdev_ops dsa_slave_switchdev_ops = {
-	.switchdev_port_attr_set	= dsa_slave_port_attr_set,
-};
-
 static struct device_type dsa_type = {
 	.name	= "dsa",
 };
@@ -1307,7 +1303,6 @@ int dsa_slave_create(struct dsa_port *port)
 	eth_hw_addr_inherit(slave_dev, master);
 	slave_dev->priv_flags |= IFF_NO_QUEUE;
 	slave_dev->netdev_ops = &dsa_slave_netdev_ops;
-	slave_dev->switchdev_ops = &dsa_slave_switchdev_ops;
 	slave_dev->min_mtu = 0;
 	slave_dev->max_mtu = ETH_MAX_MTU;
 	SET_NETDEV_DEVTYPE(slave_dev, &dsa_type);
-- 
2.17.1

Linux Ethernet Bridging - Feb 2019 - [Bridge] [PATCH net-next 00/16] net: Remove switchdev_ops

[Bridge] [PATCH net-next 00/16] net: Remove switchdev_ops

[Bridge] [PATCH net-next 01/16] Documentation: networking: switchdev: Update port parent ID section

[Bridge] [PATCH net-next 02/16] mlxsw: spectrum: Check bridge flags during prepare phase

[Bridge] [PATCH net-next 03/16] staging: fsl-dpaa2: ethsw: Check bridge port flags during set

[Bridge] [PATCH net-next 04/16] net: dsa: Add setter for SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS

[Bridge] [PATCH net-next 05/16] rocker: Check bridge flags during prepare phase

[Bridge] [PATCH net-next 06/16] net: bridge: Stop calling switchdev_port_attr_get()

[Bridge] [PATCH net-next 07/16] net: Remove SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT

[Bridge] [PATCH net-next 08/16] net: Get rid of switchdev_port_attr_get()

[Bridge] [PATCH net-next 09/16] switchdev: Add SWITCHDEV_PORT_ATTR_SET

[Bridge] [PATCH net-next 10/16] rocker: Handle SWITCHDEV_PORT_ATTR_SET

[Bridge] [PATCH net-next 11/16] net: dsa: Handle SWITCHDEV_PORT_ATTR_SET

[Bridge] [PATCH net-next 12/16] mlxsw: spectrum_switchdev: Handle SWITCHDEV_PORT_ATTR_SET

[Bridge] [PATCH net-next 13/16] net: mscc: ocelot: Handle SWITCHDEV_PORT_ATTR_SET

[Bridge] [PATCH net-next 14/16] staging: fsl-dpaa2: ethsw: Handle SWITCHDEV_PORT_ATTR_SET

[Bridge] [PATCH net-next 15/16] net: switchdev: Replace port attr set SDO with a notification

[Bridge] [PATCH net-next 16/16] net: Remove switchdev_ops