Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from David Miller:

 1) Support IPV6 RA Captive Portal Identifier, from Maciej Żenczykowski.

 2) Use bio_vec in the networking instead of custom skb_frag_t, from
    Matthew Wilcox.

 3) Make use of xmit_more in r8169 driver, from Heiner Kallweit.

 4) Add devmap_hash to xdp, from Toke Høiland-Jørgensen.

 5) Support all variants of 5750X bnxt_en chips, from Michael Chan.

 6) More RTNL avoidance work in the core and mlx5 driver, from Vlad
    Buslov.

 7) Add TCP syn cookies bpf helper, from Petar Penkov.

 8) Add 'nettest' to selftests and use it, from David Ahern.

 9) Add extack support to drop_monitor, add packet alert mode and
    support for HW drops, from Ido Schimmel.

10) Add VLAN offload to stmmac, from Jose Abreu.

11) Lots of devm_platform_ioremap_resource() conversions, from
    YueHaibing.

12) Add IONIC driver, from Shannon Nelson.

13) Several kTLS cleanups, from Jakub Kicinski.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1930 commits)
  mlxsw: spectrum_buffers: Add the ability to query the CPU port's shared buffer
  mlxsw: spectrum: Register CPU port with devlink
  mlxsw: spectrum_buffers: Prevent changing CPU port's configuration
  net: ena: fix incorrect update of intr_delay_resolution
  net: ena: fix retrieval of nonadaptive interrupt moderation intervals
  net: ena: fix update of interrupt moderation register
  net: ena: remove all old adaptive rx interrupt moderation code from ena_com
  net: ena: remove ena_restore_ethtool_params() and relevant fields
  net: ena: remove old adaptive interrupt moderation code from ena_netdev
  net: ena: remove code duplication in ena_com_update_nonadaptive_moderation_interval _*()
  net: ena: enable the interrupt_moderation in driver_supported_features
  net: ena: reimplement set/get_coalesce()
  net: ena: switch to dim algorithm for rx adaptive interrupt moderation
  net: ena: add intr_moder_rx_interval to struct ena_com_dev and use it
  net: phy: adin: implement Energy Detect Powerdown mode via phy-tunable
  ethtool: implement Energy Detect Powerdown support via phy-tunable
  xen-netfront: do not assume sk_buff_head list is empty in error handling
  s390/ctcm: Delete unnecessary checks before the macro call “dev_kfree_skb”
  net: ena: don't wake up tx queue when down
  drop_monitor: Better sanitize notified packets
  ...

1 files changed, 62 insertions, 73 deletions

diff --git a/net/dsa/switch.c b/net/dsa/switch.c
index 09d9286b27cc..6a9607518823 100644
--- a/net/dsa/switch.c
+++ b/net/dsa/switch.c
@@ -128,57 +128,51 @@ static int dsa_switch_fdb_del(struct dsa_switch *ds,
 	return ds->ops->port_fdb_del(ds, port, info->addr, info->vid);
 }
 
-static int
-dsa_switch_mdb_prepare_bitmap(struct dsa_switch *ds,
-			      const struct switchdev_obj_port_mdb *mdb,
-			      const unsigned long *bitmap)
+static bool dsa_switch_mdb_match(struct dsa_switch *ds, int port,
+				 struct dsa_notifier_mdb_info *info)
+{
+	if (ds->index == info->sw_index && port == info->port)
+		return true;
+
+	if (dsa_is_dsa_port(ds, port))
+		return true;
+
+	return false;
+}
+
+static int dsa_switch_mdb_prepare(struct dsa_switch *ds,
+				  struct dsa_notifier_mdb_info *info)
 {
 	int port, err;
 
 	if (!ds->ops->port_mdb_prepare || !ds->ops->port_mdb_add)
 		return -EOPNOTSUPP;
 
-	for_each_set_bit(port, bitmap, ds->num_ports) {
-		err = ds->ops->port_mdb_prepare(ds, port, mdb);
-		if (err)
-			return err;
+	for (port = 0; port < ds->num_ports; port++) {
+		if (dsa_switch_mdb_match(ds, port, info)) {
+			err = ds->ops->port_mdb_prepare(ds, port, info->mdb);
+			if (err)
+				return err;
+		}
 	}
 
 	return 0;
 }
 
-static void dsa_switch_mdb_add_bitmap(struct dsa_switch *ds,
-				      const struct switchdev_obj_port_mdb *mdb,
-				      const unsigned long *bitmap)
-{
-	int port;
-
-	if (!ds->ops->port_mdb_add)
-		return;
-
-	for_each_set_bit(port, bitmap, ds->num_ports)
-		ds->ops->port_mdb_add(ds, port, mdb);
-}
-
 static int dsa_switch_mdb_add(struct dsa_switch *ds,
 			      struct dsa_notifier_mdb_info *info)
 {
-	const struct switchdev_obj_port_mdb *mdb = info->mdb;
-	struct switchdev_trans *trans = info->trans;
 	int port;
 
-	/* Build a mask of Multicast group members */
-	bitmap_zero(ds->bitmap, ds->num_ports);
-	if (ds->index == info->sw_index)
-		set_bit(info->port, ds->bitmap);
-	for (port = 0; port < ds->num_ports; port++)
-		if (dsa_is_dsa_port(ds, port))
-			set_bit(port, ds->bitmap);
+	if (switchdev_trans_ph_prepare(info->trans))
+		return dsa_switch_mdb_prepare(ds, info);
 
-	if (switchdev_trans_ph_prepare(trans))
-		return dsa_switch_mdb_prepare_bitmap(ds, mdb, ds->bitmap);
+	if (!ds->ops->port_mdb_add)
+		return 0;
 
-	dsa_switch_mdb_add_bitmap(ds, mdb, ds->bitmap);
+	for (port = 0; port < ds->num_ports; port++)
+		if (dsa_switch_mdb_match(ds, port, info))
+			ds->ops->port_mdb_add(ds, port, info->mdb);
 
 	return 0;
 }
@@ -186,13 +180,11 @@ static int dsa_switch_mdb_add(struct dsa_switch *ds,
 static int dsa_switch_mdb_del(struct dsa_switch *ds,
 			      struct dsa_notifier_mdb_info *info)
 {
-	const struct switchdev_obj_port_mdb *mdb = info->mdb;
-
 	if (!ds->ops->port_mdb_del)
 		return -EOPNOTSUPP;
 
 	if (ds->index == info->sw_index)
-		return ds->ops->port_mdb_del(ds, info->port, mdb);
+		return ds->ops->port_mdb_del(ds, info->port, info->mdb);
 
 	return 0;
 }
@@ -234,59 +226,55 @@ static int dsa_port_vlan_check(struct dsa_switch *ds, int port,
 			     (void *)vlan);
 }
 
-static int
-dsa_switch_vlan_prepare_bitmap(struct dsa_switch *ds,
-			       const struct switchdev_obj_port_vlan *vlan,
-			       const unsigned long *bitmap)
+static bool dsa_switch_vlan_match(struct dsa_switch *ds, int port,
+				  struct dsa_notifier_vlan_info *info)
+{
+	if (ds->index == info->sw_index && port == info->port)
+		return true;
+
+	if (dsa_is_dsa_port(ds, port))
+		return true;
+
+	return false;
+}
+
+static int dsa_switch_vlan_prepare(struct dsa_switch *ds,
+				   struct dsa_notifier_vlan_info *info)
 {
 	int port, err;
 
 	if (!ds->ops->port_vlan_prepare || !ds->ops->port_vlan_add)
 		return -EOPNOTSUPP;
 
-	for_each_set_bit(port, bitmap, ds->num_ports) {
-		err = dsa_port_vlan_check(ds, port, vlan);
-		if (err)
-			return err;
+	for (port = 0; port < ds->num_ports; port++) {
+		if (dsa_switch_vlan_match(ds, port, info)) {
+			err = dsa_port_vlan_check(ds, port, info->vlan);
+			if (err)
+				return err;
 
-		err = ds->ops->port_vlan_prepare(ds, port, vlan);
-		if (err)
-			return err;
+			err = ds->ops->port_vlan_prepare(ds, port, info->vlan);
+			if (err)
+				return err;
+		}
 	}
 
 	return 0;
 }
 
-static void
-dsa_switch_vlan_add_bitmap(struct dsa_switch *ds,
-			   const struct switchdev_obj_port_vlan *vlan,
-			   const unsigned long *bitmap)
-{
-	int port;
-
-	for_each_set_bit(port, bitmap, ds->num_ports)
-		ds->ops->port_vlan_add(ds, port, vlan);
-}
-
 static int dsa_switch_vlan_add(struct dsa_switch *ds,
 			       struct dsa_notifier_vlan_info *info)
 {
-	const struct switchdev_obj_port_vlan *vlan = info->vlan;
-	struct switchdev_trans *trans = info->trans;
 	int port;
 
-	/* Build a mask of VLAN members */
-	bitmap_zero(ds->bitmap, ds->num_ports);
-	if (ds->index == info->sw_index)
-		set_bit(info->port, ds->bitmap);
-	for (port = 0; port < ds->num_ports; port++)
-		if (dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port))
-			set_bit(port, ds->bitmap);
+	if (switchdev_trans_ph_prepare(info->trans))
+		return dsa_switch_vlan_prepare(ds, info);
 
-	if (switchdev_trans_ph_prepare(trans))
-		return dsa_switch_vlan_prepare_bitmap(ds, vlan, ds->bitmap);
+	if (!ds->ops->port_vlan_add)
+		return 0;
 
-	dsa_switch_vlan_add_bitmap(ds, vlan, ds->bitmap);
+	for (port = 0; port < ds->num_ports; port++)
+		if (dsa_switch_vlan_match(ds, port, info))
+			ds->ops->port_vlan_add(ds, port, info->vlan);
 
 	return 0;
 }
@@ -294,14 +282,15 @@ static int dsa_switch_vlan_add(struct dsa_switch *ds,
 static int dsa_switch_vlan_del(struct dsa_switch *ds,
 			       struct dsa_notifier_vlan_info *info)
 {
-	const struct switchdev_obj_port_vlan *vlan = info->vlan;
-
 	if (!ds->ops->port_vlan_del)
 		return -EOPNOTSUPP;
 
 	if (ds->index == info->sw_index)
-		return ds->ops->port_vlan_del(ds, info->port, vlan);
+		return ds->ops->port_vlan_del(ds, info->port, info->vlan);
 
+	/* Do not deprogram the DSA links as they may be used as conduit
+	 * for other VLAN members in the fabric.
+	 */
 	return 0;
 }