From: wei.fang@oss•nxp.com
To: claudiu.manoil@nxp•com, vladimir.oltean@nxp•com,
xiaoning.wang@nxp•com, andrew+netdev@lunn•ch,
davem@davemloft•net, edumazet@google•com, kuba@kernel•org,
pabeni@redhat•com, chleroy@kernel•org, andrew@lunn•ch,
olteanv@gmail•com, linux@armlinux•org.uk
Cc: wei.fang@nxp•com, imx@lists•linux.dev, netdev@vger•kernel.org,
linux-kernel@vger•kernel.org, linuxppc-dev@lists•ozlabs.org,
linux-arm-kernel@lists•infradead.org
Subject: [PATCH v3 net-next 8/9] net: dsa: netc: add bridge mode support
Date: Fri, 5 Jun 2026 09:48:07 +0800 [thread overview]
Message-ID: <20260605014808.686024-9-wei.fang@oss.nxp.com> (raw)
In-Reply-To: <20260605014808.686024-1-wei.fang@oss.nxp.com>
From: Wei Fang <wei.fang@nxp•com>
Wire up the port_bridge_join, port_bridge_leave and port_vlan_filtering
DSA callbacks to support both VLAN-unaware and VLAN-aware bridge modes.
For VLAN-unaware bridges, each bridge instance is assigned a dedicated
internal PVID via NETC_VLAN_UNAWARE_PVID(bridge.num), counting down
from VID 4095. A VFT entry is created for this PVID with hardware MAC
learning and flood-on-miss forwarding enabled. The CPU port is included
as a VFT member so frames can reach the host. The reserved VID range is
blocked in port_vlan_add to prevent user-space conflicts.
Only one VLAN-aware bridge is supported at a time; this constraint is
enforced in port_bridge_join and port_vlan_filtering. The per-port PVID
is tracked in software and written to the BPDVR register whenever VLAN
filtering is active.
When a port leaves the bridge, its dynamic FDB entries are flushed right
away in port_bridge_leave(), without waiting for the ageing cycle. When
a link down event occurs on a port, netc_mac_link_down() will also clear
the port's dynamic FDB entries via netc_port_remove_dynamic_entries().
Non-bridge ports have no dynamic FDB entries, so this call is always
safe. Additionally, .port_fast_age() callback is added to flush the
dynamic FDB entries associated to a port.
Host flood rules are removed from the ingress port filter table when a
port joins a bridge to avoid bypassing FDB lookup and MAC learning.
Signed-off-by: Wei Fang <wei.fang@nxp•com>
---
drivers/net/dsa/netc/netc_main.c | 353 +++++++++++++++++++++++++++--
drivers/net/dsa/netc/netc_switch.h | 2 +
2 files changed, 339 insertions(+), 16 deletions(-)
diff --git a/drivers/net/dsa/netc/netc_main.c b/drivers/net/dsa/netc/netc_main.c
index 1e1873528ccc..b61152c16e7b 100644
--- a/drivers/net/dsa/netc/netc_main.c
+++ b/drivers/net/dsa/netc/netc_main.c
@@ -509,6 +509,17 @@ static void netc_port_set_mlo(struct netc_port *np, enum netc_mlo mlo)
netc_port_rmw(np, NETC_BPCR, BPCR_MLO, FIELD_PREP(BPCR_MLO, mlo));
}
+static void netc_port_set_pvid(struct netc_port *np, u16 pvid)
+{
+ netc_port_rmw(np, NETC_BPDVR, BPDVR_VID, pvid);
+}
+
+static void netc_port_set_vlan_aware(struct netc_port *np, bool aware)
+{
+ netc_port_rmw(np, NETC_BPDVR, BPDVR_RXVAM,
+ aware ? 0 : BPDVR_RXVAM);
+}
+
static void netc_port_fixed_config(struct netc_port *np)
{
/* Default IPV and DR setting */
@@ -534,7 +545,7 @@ static void netc_port_default_config(struct netc_port *np)
netc_port_fixed_config(np);
/* Default VLAN unaware */
- netc_port_rmw(np, NETC_BPDVR, BPDVR_RXVAM, BPDVR_RXVAM);
+ netc_port_set_vlan_aware(np, false);
if (dsa_port_is_cpu(np->dp))
/* For CPU port, source port pruning is disabled */
@@ -695,10 +706,16 @@ static int netc_port_del_fdb_entry(struct netc_port *np,
entry = netc_lookup_fdb_entry(priv, addr, vid);
if (unlikely(!entry))
- /* Currently only single port mode is supported, MAC learning
- * is disabled, so there is no dynamically learned FDB entry.
- * We need to support deleting dynamically FDB entry when the
- * bridge mode is supported.
+ /* The hardware-learned dynamic FDB entries cannot be deleted
+ * through .port_fdb_del() interface.
+ * For NTF_MASTER path: Since hardware-learned dynamic FDB
+ * entries are never synchronized back to the bridge software
+ * database. br_fdb_delete() -> br_fdb_find() cannot find the
+ * FDB entry, so .port_fdb_del() will not be called.
+ * For NTF_SELF path: dsa_user_netdev_ops does not implement
+ * ndo_fdb_del(), so rtnl_fdb_del() falls back to
+ * ndo_dflt_fdb_del(), which only supports NUD_PERMANENT static
+ * entries and rejects all others with -EINVAL.
*/
goto unlock_fdbt;
@@ -1276,6 +1293,16 @@ static int netc_port_add_vlan_entry(struct netc_port *np, u16 vid,
entry->ect_gid = NTMP_NULL_ENTRY_ID;
bitmap_stg = BIT(index) | VFT_STG_ID(0);
+ /* If the VID is a VLAN-unaware PVID, the CPU port needs to be
+ * a member of this VLAN.
+ */
+ if (dsa_port_is_user(np->dp) &&
+ vid >= NETC_VLAN_UNAWARE_PVID(priv->ds->max_num_bridges)) {
+ struct dsa_port *cpu_dp = np->dp->cpu_dp;
+
+ bitmap_stg |= BIT(cpu_dp->index);
+ }
+
cfg = FIELD_PREP(VFT_MLO, MLO_HW) |
FIELD_PREP(VFT_MFO, MFO_NO_MATCH_FLOOD);
@@ -1313,11 +1340,16 @@ static int netc_port_add_vlan_entry(struct netc_port *np, u16 vid,
return err;
}
-static bool netc_port_vlan_egress_rule_changed(struct netc_vlan_entry *entry,
+static bool netc_port_vlan_egress_rule_changed(struct netc_switch *priv,
+ struct netc_vlan_entry *entry,
int port, bool untagged)
{
bool old_untagged = !!(entry->untagged_port_bitmap & BIT(port));
+ /* VLAN-unaware VIDs have no egress rules, so return 'false' */
+ if (entry->vid >= NETC_VLAN_UNAWARE_PVID(priv->ds->max_num_bridges))
+ return false;
+
return old_untagged != untagged;
}
@@ -1340,7 +1372,8 @@ static int netc_port_set_vlan_entry(struct netc_port *np, u16 vid,
}
/* Check whether the egress VLAN rule is changed */
- changed = netc_port_vlan_egress_rule_changed(entry, port, untagged);
+ changed = netc_port_vlan_egress_rule_changed(priv, entry, port,
+ untagged);
if (changed) {
entry->untagged_port_bitmap ^= BIT(port);
err = netc_port_update_vlan_egress_rule(np, entry);
@@ -1404,6 +1437,17 @@ static int netc_port_del_vlan_entry(struct netc_port *np, u16 vid)
cfge = &entry->cfge;
vlan_port_bitmap = FIELD_GET(VFT_PORT_MEMBERSHIP,
le32_to_cpu(cfge->bitmap_stg));
+ /* If the VID is a VLAN-unaware PVID, we need to clear the CPU
+ * port bit of vlan_port_bitmap, so that the VLAN entry can be
+ * deleted if no user ports use this VLAN.
+ */
+ if (dsa_port_is_user(np->dp) &&
+ vid >= NETC_VLAN_UNAWARE_PVID(priv->ds->max_num_bridges)) {
+ struct dsa_port *cpu_dp = np->dp->cpu_dp;
+
+ vlan_port_bitmap &= ~BIT(cpu_dp->index);
+ }
+
/* If the VLAN only belongs to the current port */
if (vlan_port_bitmap == BIT(port)) {
err = ntmp_vft_delete_entry(&priv->ntmp, vid);
@@ -1509,17 +1553,50 @@ static int netc_port_max_mtu(struct dsa_switch *ds, int port)
return NETC_MAX_FRAME_LEN - VLAN_ETH_HLEN - ETH_FCS_LEN;
}
+static struct net_device *netc_classify_db(struct dsa_db db)
+{
+ switch (db.type) {
+ case DSA_DB_PORT:
+ return NULL;
+ case DSA_DB_BRIDGE:
+ return db.bridge.dev;
+ default:
+ return ERR_PTR(-EOPNOTSUPP);
+ }
+}
+
+static u16 netc_vlan_unaware_pvid(struct dsa_port *dp)
+{
+ u32 br_num;
+
+ if (!dsa_port_bridge_dev_get(dp))
+ return NETC_STANDALONE_PVID;
+
+ br_num = dsa_port_bridge_num_get(dp);
+
+ /* The br_num is supposed to be 1 ~ ds->max_num_bridges, see
+ * dsa_bridge_num_get(). Since max_num_bridges is non-zero,
+ * so dsa_port_bridge_create() will return an error if
+ * dsa_bridge_num_get() returns 0.
+ */
+ if (WARN_ON(!br_num))
+ return NETC_STANDALONE_PVID;
+
+ return NETC_VLAN_UNAWARE_PVID(br_num);
+}
+
static int netc_port_fdb_add(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
struct dsa_db db)
{
+ struct net_device *br_ndev = netc_classify_db(db);
struct netc_port *np = NETC_PORT(ds, port);
- /* Currently, only support standalone port mode, so only
- * NETC_STANDALONE_PVID (= 0) is supported here.
- */
- if (vid != NETC_STANDALONE_PVID)
- return -EOPNOTSUPP;
+ if (IS_ERR(br_ndev))
+ return PTR_ERR(br_ndev);
+
+ if (!vid)
+ vid = netc_vlan_unaware_pvid(np->dp);
return netc_port_set_fdb_entry(np, addr, vid);
}
@@ -1528,10 +1605,14 @@ static int netc_port_fdb_del(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
struct dsa_db db)
{
+ struct net_device *br_ndev = netc_classify_db(db);
struct netc_port *np = NETC_PORT(ds, port);
- if (vid != NETC_STANDALONE_PVID)
- return -EOPNOTSUPP;
+ if (IS_ERR(br_ndev))
+ return PTR_ERR(br_ndev);
+
+ if (!vid)
+ vid = netc_vlan_unaware_pvid(np->dp);
return netc_port_del_fdb_entry(np, addr, vid);
}
@@ -1567,6 +1648,8 @@ static int netc_port_fdb_dump(struct dsa_switch *ds, int port,
cfg = le32_to_cpu(cfge->cfg);
is_static = (cfg & FDBT_DYNAMIC) ? false : true;
vid = le16_to_cpu(keye->fid);
+ if (vid >= NETC_VLAN_UNAWARE_PVID(ds->max_num_bridges))
+ vid = 0;
err = cb(keye->mac_addr, vid, is_static, data);
if (err)
@@ -1669,12 +1752,23 @@ static void netc_port_remove_host_flood(struct netc_port *np,
struct ipft_entry_data *host_flood)
{
struct netc_switch *priv = np->switch_priv;
+ bool disable_host_flood = false;
if (!host_flood)
return;
+ if (np->host_flood == host_flood)
+ disable_host_flood = true;
+
ntmp_ipft_delete_entry(&priv->ntmp, host_flood->entry_id);
kfree(host_flood);
+
+ if (disable_host_flood) {
+ np->host_flood = NULL;
+ np->uc = false;
+ np->mc = false;
+ netc_port_wr(np, NETC_PIPFCR, 0);
+ }
}
static void netc_port_set_host_flood(struct dsa_switch *ds, int port,
@@ -1683,6 +1777,17 @@ static void netc_port_set_host_flood(struct dsa_switch *ds, int port,
struct netc_port *np = NETC_PORT(ds, port);
struct ipft_entry_data *old_host_flood;
+ /* Do not add host flood rule to ingress port filter table when
+ * the port has joined a bridge. Otherwise, the ingress frames
+ * will bypass FDB table lookup and MAC learning, so the frames
+ * will be redirected directly to the CPU port.
+ */
+ if (dsa_port_bridge_dev_get(np->dp)) {
+ netc_port_remove_host_flood(np, np->host_flood);
+
+ return;
+ }
+
if (np->uc == uc && np->mc == mc)
return;
@@ -1704,12 +1809,85 @@ static void netc_port_set_host_flood(struct dsa_switch *ds, int port,
netc_port_remove_host_flood(np, old_host_flood);
}
+static int netc_single_vlan_aware_bridge(struct dsa_switch *ds,
+ struct netlink_ext_ack *extack)
+{
+ struct net_device *br_ndev = NULL;
+ struct dsa_port *dp;
+
+ dsa_switch_for_each_available_port(dp, ds) {
+ struct net_device *port_br = dsa_port_bridge_dev_get(dp);
+
+ if (!port_br || !br_vlan_enabled(port_br))
+ continue;
+
+ if (!br_ndev) {
+ br_ndev = port_br;
+ continue;
+ }
+
+ if (br_ndev == port_br)
+ continue;
+
+ NL_SET_ERR_MSG_MOD(extack,
+ "Only one VLAN-aware bridge is supported");
+
+ return -EBUSY;
+ }
+
+ return 0;
+}
+
+static int netc_port_vlan_filtering(struct dsa_switch *ds,
+ int port, bool vlan_aware,
+ struct netlink_ext_ack *extack)
+{
+ struct netc_port *np = NETC_PORT(ds, port);
+ u16 pvid;
+ int err;
+
+ err = netc_single_vlan_aware_bridge(ds, extack);
+ if (err)
+ return err;
+
+ pvid = netc_vlan_unaware_pvid(np->dp);
+ if (pvid == NETC_STANDALONE_PVID) {
+ vlan_aware = false;
+ goto bpdvr_config;
+ }
+
+ if (vlan_aware) {
+ /* The FDB entries associated with unaware_pvid do not need
+ * to be deleted, so that when switching from VLAN-aware to
+ * VLAN-unaware mode, these FDB entries do not need to be
+ * re-added.
+ */
+ err = netc_port_del_vlan_entry(np, pvid);
+ if (err)
+ return err;
+
+ pvid = np->pvid;
+ } else {
+ err = netc_port_set_vlan_entry(np, pvid, false);
+ if (err)
+ return err;
+ }
+
+bpdvr_config:
+ netc_port_set_vlan_aware(np, vlan_aware);
+ netc_port_set_pvid(np, pvid);
+
+ return 0;
+}
+
static int netc_port_vlan_add(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_vlan *vlan,
struct netlink_ext_ack *extack)
{
struct netc_port *np = NETC_PORT(ds, port);
+ struct dsa_port *dp = np->dp;
bool untagged;
+ int err;
/* The 8021q layer may attempt to change NETC_STANDALONE_PVID
* (VID 0), so we need to ignore it.
@@ -1717,20 +1895,157 @@ static int netc_port_vlan_add(struct dsa_switch *ds, int port,
if (vlan->vid == NETC_STANDALONE_PVID)
return 0;
+ if (vlan->vid >= NETC_VLAN_UNAWARE_PVID(ds->max_num_bridges)) {
+ NL_SET_ERR_MSG_FMT_MOD(extack,
+ "VID %d~4095 reserved for VLAN-unaware bridge",
+ NETC_VLAN_UNAWARE_PVID(ds->max_num_bridges));
+ return -EINVAL;
+ }
+
untagged = !!(vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED);
+ err = netc_port_set_vlan_entry(np, vlan->vid, untagged);
+ if (err)
+ return err;
+
+ if (vlan->flags & BRIDGE_VLAN_INFO_PVID) {
+ np->pvid = vlan->vid;
+ if (dsa_port_is_vlan_filtering(dp))
+ netc_port_set_pvid(np, vlan->vid);
+
+ return 0;
+ }
- return netc_port_set_vlan_entry(np, vlan->vid, untagged);
+ if (np->pvid != vlan->vid)
+ return 0;
+
+ /* Delete PVID */
+ np->pvid = NETC_STANDALONE_PVID;
+ if (dsa_port_is_vlan_filtering(dp))
+ netc_port_set_pvid(np, NETC_STANDALONE_PVID);
+
+ return 0;
}
static int netc_port_vlan_del(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_vlan *vlan)
{
struct netc_port *np = NETC_PORT(ds, port);
+ int err;
if (vlan->vid == NETC_STANDALONE_PVID)
return 0;
- return netc_port_del_vlan_entry(np, vlan->vid);
+ err = netc_port_del_vlan_entry(np, vlan->vid);
+ if (err)
+ return err;
+
+ if (np->pvid == vlan->vid) {
+ np->pvid = NETC_STANDALONE_PVID;
+
+ /* Set the port PVID to NETC_STANDALONE_PVID if the VLAN-aware
+ * bridge port has no PVID. The untagged frames will not be
+ * forwarded to other user ports, as NETC_STANDALONE_PVID VLAN
+ * entry has disabled MAC learning and flooding, and other user
+ * ports do not have FDB entries with NETC_STANDALONE_PVID.
+ */
+ if (dsa_port_is_vlan_filtering(np->dp))
+ netc_port_set_pvid(np, NETC_STANDALONE_PVID);
+ }
+
+ return 0;
+}
+
+static int netc_port_bridge_join(struct dsa_switch *ds, int port,
+ struct dsa_bridge bridge,
+ bool *tx_fwd_offload,
+ struct netlink_ext_ack *extack)
+{
+ struct netc_port *np = NETC_PORT(ds, port);
+ u16 vlan_unaware_pvid;
+ int err;
+
+ if (!bridge.num) {
+ NL_SET_ERR_MSG_MOD(extack, "Bridge number 0 is unsupported");
+ return -EINVAL;
+ }
+
+ err = netc_single_vlan_aware_bridge(ds, extack);
+ if (err)
+ return err;
+
+ netc_port_set_mlo(np, MLO_NOT_OVERRIDE);
+
+ if (br_vlan_enabled(bridge.dev))
+ goto out;
+
+ vlan_unaware_pvid = NETC_VLAN_UNAWARE_PVID(bridge.num);
+ err = netc_port_set_vlan_entry(np, vlan_unaware_pvid, false);
+ if (err)
+ goto disable_mlo;
+
+ netc_port_set_pvid(np, vlan_unaware_pvid);
+
+out:
+ netc_port_remove_host_flood(np, np->host_flood);
+
+ return 0;
+
+disable_mlo:
+ netc_port_set_mlo(np, MLO_DISABLE);
+
+ return err;
+}
+
+static void netc_port_remove_dynamic_entries(struct netc_port *np)
+{
+ struct netc_switch *priv = np->switch_priv;
+
+ /* Return if the port is not available */
+ if (!np->dp)
+ return;
+
+ mutex_lock(&priv->fdbt_lock);
+ ntmp_fdbt_delete_port_dynamic_entries(&priv->ntmp, np->dp->index);
+ mutex_unlock(&priv->fdbt_lock);
+}
+
+static void netc_port_bridge_leave(struct dsa_switch *ds, int port,
+ struct dsa_bridge bridge)
+{
+ struct netc_port *np = NETC_PORT(ds, port);
+ struct net_device *ndev = np->dp->user;
+ u16 vlan_unaware_pvid;
+ bool mc, uc;
+
+ netc_port_set_mlo(np, MLO_DISABLE);
+ netc_port_set_pvid(np, NETC_STANDALONE_PVID);
+ np->pvid = NETC_STANDALONE_PVID;
+
+ netc_port_remove_dynamic_entries(np);
+ uc = ndev->flags & IFF_PROMISC;
+ mc = ndev->flags & (IFF_PROMISC | IFF_ALLMULTI);
+
+ if (netc_port_add_host_flood_rule(np, uc, mc))
+ dev_warn(ds->dev,
+ "Failed to restore host flood rule on port %d\n",
+ port);
+
+ if (br_vlan_enabled(bridge.dev))
+ return;
+
+ vlan_unaware_pvid = NETC_VLAN_UNAWARE_PVID(bridge.num);
+ /* There is no need to check the return value even if it fails.
+ * Because the PVID has been set to NETC_STANDALONE_PVID, the
+ * frames will not match this VLAN entry.
+ */
+ netc_port_del_vlan_entry(np, vlan_unaware_pvid);
+}
+
+static void netc_port_fast_age(struct dsa_switch *ds, int port)
+{
+ struct netc_port *np = NETC_PORT(ds, port);
+
+ netc_port_remove_dynamic_entries(np);
}
static void netc_phylink_get_caps(struct dsa_switch *ds, int port,
@@ -1987,6 +2302,7 @@ static void netc_mac_link_down(struct phylink_config *config,
np = NETC_PORT(dp->ds, dp->index);
netc_port_mac_rx_graceful_stop(np);
netc_port_mac_tx_graceful_stop(np);
+ netc_port_remove_dynamic_entries(np);
}
static const struct phylink_mac_ops netc_phylink_mac_ops = {
@@ -2011,8 +2327,12 @@ static const struct dsa_switch_ops netc_switch_ops = {
.port_mdb_add = netc_port_mdb_add,
.port_mdb_del = netc_port_mdb_del,
.port_set_host_flood = netc_port_set_host_flood,
+ .port_vlan_filtering = netc_port_vlan_filtering,
.port_vlan_add = netc_port_vlan_add,
.port_vlan_del = netc_port_vlan_del,
+ .port_bridge_join = netc_port_bridge_join,
+ .port_bridge_leave = netc_port_bridge_leave,
+ .port_fast_age = netc_port_fast_age,
.get_pause_stats = netc_port_get_pause_stats,
.get_rmon_stats = netc_port_get_rmon_stats,
.get_eth_ctrl_stats = netc_port_get_eth_ctrl_stats,
@@ -2060,6 +2380,7 @@ static int netc_switch_probe(struct pci_dev *pdev,
ds->ops = &netc_switch_ops;
ds->phylink_mac_ops = &netc_phylink_mac_ops;
ds->fdb_isolation = true;
+ ds->max_num_bridges = priv->info->num_ports - 1;
ds->priv = priv;
priv->ds = ds;
diff --git a/drivers/net/dsa/netc/netc_switch.h b/drivers/net/dsa/netc/netc_switch.h
index 9ff334301fbc..982c8d3a3fbf 100644
--- a/drivers/net/dsa/netc/netc_switch.h
+++ b/drivers/net/dsa/netc/netc_switch.h
@@ -33,6 +33,7 @@
#define NETC_MAX_FRAME_LEN 9600
#define NETC_STANDALONE_PVID 0
+#define NETC_VLAN_UNAWARE_PVID(br_id) (4096 - (br_id))
/* Threshold format: MANT (bits 11:4) * 2^EXP (bits 3:0)
* Unit: Memory words (average of 20 bytes each)
@@ -79,6 +80,7 @@ struct netc_port {
u16 enable:1;
u16 uc:1;
u16 mc:1;
+ u16 pvid;
struct ipft_entry_data *host_flood;
};
--
2.34.1
next prev parent reply other threads:[~2026-06-05 1:46 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-05 1:47 [PATCH v3 net-next 0/9] net: dsa: netc: add bridge mode support wei.fang
2026-06-05 1:48 ` [PATCH v3 net-next 1/9] net: enetc: add interfaces to manage dynamic FDB entries wei.fang
2026-06-05 1:48 ` [PATCH v3 net-next 2/9] net: enetc: add "Update" and "Delete" operations to VLAN filter table wei.fang
2026-06-05 1:48 ` [PATCH v3 net-next 3/9] net: enetc: add interfaces to manage egress treatment table wei.fang
2026-06-05 1:48 ` [PATCH v3 net-next 4/9] net: enetc: add "Update" operation to the egress count table wei.fang
2026-06-05 1:48 ` [PATCH v3 net-next 5/9] net: dsa: netc: initialize the group bitmap of ETT and ECT wei.fang
2026-06-05 1:48 ` [PATCH v3 net-next 6/9] net: enetc: add helpers to set/clear table bitmap wei.fang
2026-06-05 1:48 ` [PATCH v3 net-next 7/9] net: dsa: netc: add VLAN filter table and egress treatment management wei.fang
2026-06-05 1:48 ` wei.fang [this message]
2026-06-05 1:48 ` [PATCH v3 net-next 9/9] net: dsa: netc: implement dynamic FDB entry ageing wei.fang
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