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[v5,net-next,11/15] net: dsa: Pass VLAN MSTI migration notifications to driver

Message ID 20220316150857.2442916-12-tobias@waldekranz.com (mailing list archive)
State Accepted
Commit 8e6598a7b0fa834a563392d30017eac1b0102fcd
Delegated to: Netdev Maintainers
Headers show
Series net: bridge: Multiple Spanning Trees | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 18 this patch: 18
netdev/cc_maintainers success CCed 7 of 7 maintainers
netdev/build_clang success Errors and warnings before: 24 this patch: 24
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 23 this patch: 23
netdev/checkpatch warning WARNING: line length of 81 exceeds 80 columns
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Tobias Waldekranz March 16, 2022, 3:08 p.m. UTC 
Add the usual trampoline functionality from the generic DSA layer down
to the drivers for VLAN MSTI migrations.

Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
---
 include/net/dsa.h  |  3 +++
 net/dsa/dsa_priv.h |  2 ++
 net/dsa/port.c     | 16 +++++++++++++++-
 net/dsa/slave.c    |  6 ++++++
 4 files changed, 26 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/include/net/dsa.h b/include/net/dsa.h
index 9bfe984fcdbf..644fda2293a2 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -976,6 +976,9 @@  struct dsa_switch_ops {
 				 struct netlink_ext_ack *extack);
 	int	(*port_vlan_del)(struct dsa_switch *ds, int port,
 				 const struct switchdev_obj_port_vlan *vlan);
+	int	(*vlan_msti_set)(struct dsa_switch *ds, struct dsa_bridge bridge,
+				 const struct switchdev_vlan_msti *msti);
+
 	/*
 	 * Forwarding database
 	 */
diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index 2aba420696ef..d90b4cf0c9d2 100644
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -236,6 +236,8 @@  bool dsa_port_skip_vlan_configuration(struct dsa_port *dp);
 int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock);
 int dsa_port_mst_enable(struct dsa_port *dp, bool on,
 			struct netlink_ext_ack *extack);
+int dsa_port_vlan_msti(struct dsa_port *dp,
+		       const struct switchdev_vlan_msti *msti);
 int dsa_port_mtu_change(struct dsa_port *dp, int new_mtu,
 			bool targeted_match);
 int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr,
diff --git a/net/dsa/port.c b/net/dsa/port.c
index 02214033cec0..3ac114f6fc22 100644
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -323,7 +323,10 @@  static void dsa_port_bridge_destroy(struct dsa_port *dp,
 
 static bool dsa_port_supports_mst(struct dsa_port *dp)
 {
-	return dsa_port_can_configure_learning(dp);
+	struct dsa_switch *ds = dp->ds;
+
+	return ds->ops->vlan_msti_set &&
+		dsa_port_can_configure_learning(dp);
 }
 
 int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br,
@@ -800,6 +803,17 @@  int dsa_port_bridge_flags(struct dsa_port *dp,
 	return 0;
 }
 
+int dsa_port_vlan_msti(struct dsa_port *dp,
+		       const struct switchdev_vlan_msti *msti)
+{
+	struct dsa_switch *ds = dp->ds;
+
+	if (!ds->ops->vlan_msti_set)
+		return -EOPNOTSUPP;
+
+	return ds->ops->vlan_msti_set(ds, *dp->bridge, msti);
+}
+
 int dsa_port_mtu_change(struct dsa_port *dp, int new_mtu,
 			bool targeted_match)
 {
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 2e8f62476ce9..1b3e792d0327 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -483,6 +483,12 @@  static int dsa_slave_port_attr_set(struct net_device *dev, const void *ctx,
 
 		ret = dsa_port_bridge_flags(dp, attr->u.brport_flags, extack);
 		break;
+	case SWITCHDEV_ATTR_ID_VLAN_MSTI:
+		if (!dsa_port_offloads_bridge_dev(dp, attr->orig_dev))
+			return -EOPNOTSUPP;
+
+		ret = dsa_port_vlan_msti(dp, &attr->u.vlan_msti);
+		break;
 	default:
 		ret = -EOPNOTSUPP;
 		break;