[PATCH net-next v4 05/13] dpaa2-switch: check early if an FDB entry should be added
From: Ioana Ciornei <ioana.ciornei@nxp.com>
Date: 2026-06-29 11:23:36
Also in:
lkml
Subsystem:
dpaa2 ethernet switch driver, networking drivers, the rest · Maintainers:
Ioana Ciornei, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Instead of waiting until the last moment to check if an FDB entry should be added to HW, move the check earlier (before even scheduling the work item) so that we don't just waste time. Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> --- Changes in v4: - none Changes in v3: - none Changes in v2: - none --- drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c
index c7c84bf2fde7..d4975d08fa44 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c@@ -2308,8 +2308,6 @@ static void dpaa2_switch_event_work(struct work_struct *work) switch (switchdev_work->event) { case SWITCHDEV_FDB_ADD_TO_DEVICE: - if (!fdb_info->added_by_user || fdb_info->is_local) - break; if (is_unicast_ether_addr(fdb_info->addr)) err = dpaa2_switch_port_fdb_add_uc(netdev_priv(dev), fdb_info->addr);
@@ -2323,8 +2321,6 @@ static void dpaa2_switch_event_work(struct work_struct *work) &fdb_info->info, NULL); break; case SWITCHDEV_FDB_DEL_TO_DEVICE: - if (!fdb_info->added_by_user || fdb_info->is_local) - break; if (is_unicast_ether_addr(fdb_info->addr)) dpaa2_switch_port_fdb_del_uc(netdev_priv(dev), fdb_info->addr); else
@@ -2350,6 +2346,9 @@ static int dpaa2_switch_port_fdb_event(struct notifier_block *nb, return NOTIFY_DONE; ethsw = port_priv->ethsw_data; + if (!fdb_info->added_by_user || fdb_info->is_local) + return NOTIFY_DONE; + switchdev_work = kzalloc_obj(*switchdev_work, GFP_ATOMIC); if (!switchdev_work) return NOTIFY_BAD;
--
2.25.1