Date: Thu, 22 Jun 2023 13:06:22 +0000
From: "Drewek, Wojciech" <wojciech.drewek@...el.com>
To: Vlad Buslov <vladbu@...dia.com>, "Nguyen, Anthony L"
	<anthony.l.nguyen@...el.com>
CC: "davem@...emloft.net" <davem@...emloft.net>, "kuba@...nel.org"
	<kuba@...nel.org>, "pabeni@...hat.com" <pabeni@...hat.com>,
	"edumazet@...gle.com" <edumazet@...gle.com>, "netdev@...r.kernel.org"
	<netdev@...r.kernel.org>, "Szycik, Marcin" <marcin.szycik@...el.com>,
	"jiri@...nulli.us" <jiri@...nulli.us>, ivecera <ivecera@...hat.com>,
	"simon.horman@...igine.com" <simon.horman@...igine.com>, "Buvaneswaran,
 Sujai" <sujai.buvaneswaran@...el.com>
Subject: RE: [PATCH net-next 09/12] ice: Add VLAN FDB support in switchdev
 mode



> -----Original Message-----
> From: Vlad Buslov <vladbu@...dia.com>
> Sent: czwartek, 22 czerwca 2023 14:04
> To: Nguyen, Anthony L <anthony.l.nguyen@...el.com>
> Cc: davem@...emloft.net; kuba@...nel.org; pabeni@...hat.com; edumazet@...gle.com; netdev@...r.kernel.org; Szycik, Marcin
> <marcin.szycik@...el.com>; jiri@...nulli.us; ivecera <ivecera@...hat.com>; simon.horman@...igine.com; Drewek, Wojciech
> <wojciech.drewek@...el.com>; Buvaneswaran, Sujai <sujai.buvaneswaran@...el.com>
> Subject: Re: [PATCH net-next 09/12] ice: Add VLAN FDB support in switchdev mode
> 
> On Tue 20 Jun 2023 at 10:44, Tony Nguyen <anthony.l.nguyen@...el.com> wrote:
> > From: Marcin Szycik <marcin.szycik@...el.com>
> >
> > Add support for matching on VLAN tag in bridge offloads.
> > Currently only trunk mode is supported.
> >
> > To enable VLAN filtering (existing FDB entries will be deleted):
> > ip link set $BR type bridge vlan_filtering 1
> >
> > To add VLANs to bridge in trunk mode:
> > bridge vlan add dev $PF1 vid 110-111
> > bridge vlan add dev $VF1_PR vid 110-111
> >
> > Signed-off-by: Marcin Szycik <marcin.szycik@...el.com>
> > Signed-off-by: Wojciech Drewek <wojciech.drewek@...el.com>
> > Tested-by: Sujai Buvaneswaran <sujai.buvaneswaran@...el.com>
> > Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>
> > ---
> >  .../net/ethernet/intel/ice/ice_eswitch_br.c   | 296 +++++++++++++++++-
> >  .../net/ethernet/intel/ice/ice_eswitch_br.h   |  21 ++
> >  2 files changed, 309 insertions(+), 8 deletions(-)
> >
> > diff --git a/drivers/net/ethernet/intel/ice/ice_eswitch_br.c b/drivers/net/ethernet/intel/ice/ice_eswitch_br.c
> > index 1e57ce7b22d3..805a6b2fd965 100644
> > --- a/drivers/net/ethernet/intel/ice/ice_eswitch_br.c
> > +++ b/drivers/net/ethernet/intel/ice/ice_eswitch_br.c
> > @@ -70,16 +70,34 @@ ice_eswitch_br_rule_delete(struct ice_hw *hw, struct ice_rule_query_data *rule)
> >  	return err;
> >  }
> >
> > +static u16
> > +ice_eswitch_br_get_lkups_cnt(u16 vid)
> > +{
> > +	return ice_eswitch_br_is_vid_valid(vid) ? 2 : 1;
> > +}
> > +
> > +static void
> > +ice_eswitch_br_add_vlan_lkup(struct ice_adv_lkup_elem *list, u16 vid)
> > +{
> > +	if (ice_eswitch_br_is_vid_valid(vid)) {
> > +		list[1].type = ICE_VLAN_OFOS;
> > +		list[1].h_u.vlan_hdr.vlan = cpu_to_be16(vid & VLAN_VID_MASK);
> > +		list[1].m_u.vlan_hdr.vlan = cpu_to_be16(0xFFFF);
> > +	}
> > +}
> > +
> >  static struct ice_rule_query_data *
> >  ice_eswitch_br_fwd_rule_create(struct ice_hw *hw, int vsi_idx, int port_type,
> > -			       const unsigned char *mac)
> > +			       const unsigned char *mac, u16 vid)
> >  {
> >  	struct ice_adv_rule_info rule_info = { 0 };
> >  	struct ice_rule_query_data *rule;
> >  	struct ice_adv_lkup_elem *list;
> > -	u16 lkups_cnt = 1;
> > +	u16 lkups_cnt;
> >  	int err;
> >
> > +	lkups_cnt = ice_eswitch_br_get_lkups_cnt(vid);
> > +
> >  	rule = kzalloc(sizeof(*rule), GFP_KERNEL);
> >  	if (!rule)
> >  		return ERR_PTR(-ENOMEM);
> > @@ -107,6 +125,8 @@ ice_eswitch_br_fwd_rule_create(struct ice_hw *hw, int vsi_idx, int port_type,
> >  	ether_addr_copy(list[0].h_u.eth_hdr.dst_addr, mac);
> >  	eth_broadcast_addr(list[0].m_u.eth_hdr.dst_addr);
> >
> > +	ice_eswitch_br_add_vlan_lkup(list, vid);
> > +
> >  	rule_info.need_pass_l2 = true;
> >
> >  	rule_info.sw_act.fltr_act = ICE_FWD_TO_VSI;
> > @@ -129,13 +149,15 @@ ice_eswitch_br_fwd_rule_create(struct ice_hw *hw, int vsi_idx, int port_type,
> >
> >  static struct ice_rule_query_data *
> >  ice_eswitch_br_guard_rule_create(struct ice_hw *hw, u16 vsi_idx,
> > -				 const unsigned char *mac)
> > +				 const unsigned char *mac, u16 vid)
> >  {
> >  	struct ice_adv_rule_info rule_info = { 0 };
> >  	struct ice_rule_query_data *rule;
> >  	struct ice_adv_lkup_elem *list;
> > -	const u16 lkups_cnt = 1;
> >  	int err = -ENOMEM;
> > +	u16 lkups_cnt;
> > +
> > +	lkups_cnt = ice_eswitch_br_get_lkups_cnt(vid);
> >
> >  	rule = kzalloc(sizeof(*rule), GFP_KERNEL);
> >  	if (!rule)
> > @@ -149,6 +171,8 @@ ice_eswitch_br_guard_rule_create(struct ice_hw *hw, u16 vsi_idx,
> >  	ether_addr_copy(list[0].h_u.eth_hdr.src_addr, mac);
> >  	eth_broadcast_addr(list[0].m_u.eth_hdr.src_addr);
> >
> > +	ice_eswitch_br_add_vlan_lkup(list, vid);
> > +
> >  	rule_info.allow_pass_l2 = true;
> >  	rule_info.sw_act.vsi_handle = vsi_idx;
> >  	rule_info.sw_act.fltr_act = ICE_NOP;
> > @@ -172,7 +196,7 @@ ice_eswitch_br_guard_rule_create(struct ice_hw *hw, u16 vsi_idx,
> >
> >  static struct ice_esw_br_flow *
> >  ice_eswitch_br_flow_create(struct device *dev, struct ice_hw *hw, int vsi_idx,
> > -			   int port_type, const unsigned char *mac)
> > +			   int port_type, const unsigned char *mac, u16 vid)
> >  {
> >  	struct ice_rule_query_data *fwd_rule, *guard_rule;
> >  	struct ice_esw_br_flow *flow;
> > @@ -182,7 +206,8 @@ ice_eswitch_br_flow_create(struct device *dev, struct ice_hw *hw, int vsi_idx,
> >  	if (!flow)
> >  		return ERR_PTR(-ENOMEM);
> >
> > -	fwd_rule = ice_eswitch_br_fwd_rule_create(hw, vsi_idx, port_type, mac);
> > +	fwd_rule = ice_eswitch_br_fwd_rule_create(hw, vsi_idx, port_type, mac,
> > +						  vid);
> >  	err = PTR_ERR_OR_ZERO(fwd_rule);
> >  	if (err) {
> >  		dev_err(dev, "Failed to create eswitch bridge %sgress forward rule, err: %d\n",
> > @@ -191,7 +216,7 @@ ice_eswitch_br_flow_create(struct device *dev, struct ice_hw *hw, int vsi_idx,
> >  		goto err_fwd_rule;
> >  	}
> >
> > -	guard_rule = ice_eswitch_br_guard_rule_create(hw, vsi_idx, mac);
> > +	guard_rule = ice_eswitch_br_guard_rule_create(hw, vsi_idx, mac, vid);
> >  	err = PTR_ERR_OR_ZERO(guard_rule);
> >  	if (err) {
> >  		dev_err(dev, "Failed to create eswitch bridge %sgress guard rule, err: %d\n",
> > @@ -245,6 +270,30 @@ ice_eswitch_br_flow_delete(struct ice_pf *pf, struct ice_esw_br_flow *flow)
> >  	kfree(flow);
> >  }
> >
> > +static struct ice_esw_br_vlan *
> > +ice_esw_br_port_vlan_lookup(struct ice_esw_br *bridge, u16 vsi_idx, u16 vid)
> > +{
> > +	struct ice_pf *pf = bridge->br_offloads->pf;
> > +	struct device *dev = ice_pf_to_dev(pf);
> > +	struct ice_esw_br_port *port;
> > +	struct ice_esw_br_vlan *vlan;
> > +
> > +	port = xa_load(&bridge->ports, vsi_idx);
> > +	if (!port) {
> > +		dev_info(dev, "Bridge port lookup failed (vsi=%u)\n", vsi_idx);
> > +		return ERR_PTR(-EINVAL);
> > +	}
> > +
> > +	vlan = xa_load(&port->vlans, vid);
> > +	if (!vlan) {
> > +		dev_info(dev, "Bridge port vlan metadata lookup failed (vsi=%u)\n",
> > +			 vsi_idx);
> > +		return ERR_PTR(-EINVAL);
> > +	}
> > +
> > +	return vlan;
> > +}
> > +
> >  static void
> >  ice_eswitch_br_fdb_entry_delete(struct ice_esw_br *bridge,
> >  				struct ice_esw_br_fdb_entry *fdb_entry)
> > @@ -314,10 +363,25 @@ ice_eswitch_br_fdb_entry_create(struct net_device *netdev,
> >  	struct device *dev = ice_pf_to_dev(pf);
> >  	struct ice_esw_br_fdb_entry *fdb_entry;
> >  	struct ice_esw_br_flow *flow;
> > +	struct ice_esw_br_vlan *vlan;
> >  	struct ice_hw *hw = &pf->hw;
> >  	unsigned long event;
> >  	int err;
> >
> > +	/* untagged filtering is not yet supported */
> > +	if (!(bridge->flags & ICE_ESWITCH_BR_VLAN_FILTERING) && vid)
> > +		return;
> > +
> > +	if ((bridge->flags & ICE_ESWITCH_BR_VLAN_FILTERING)) {
> > +		vlan = ice_esw_br_port_vlan_lookup(bridge, br_port->vsi_idx,
> > +						   vid);
> > +		if (IS_ERR(vlan)) {
> > +			dev_err(dev, "Failed to find vlan lookup, err: %ld\n",
> > +				PTR_ERR(vlan));
> > +			return;
> > +		}
> > +	}
> > +
> >  	fdb_entry = ice_eswitch_br_fdb_find(bridge, mac, vid);
> >  	if (fdb_entry)
> >  		ice_eswitch_br_fdb_entry_notify_and_cleanup(bridge, fdb_entry);
> > @@ -329,7 +393,7 @@ ice_eswitch_br_fdb_entry_create(struct net_device *netdev,
> >  	}
> >
> >  	flow = ice_eswitch_br_flow_create(dev, hw, br_port->vsi_idx,
> > -					  br_port->type, mac);
> > +					  br_port->type, mac, vid);
> >  	if (IS_ERR(flow)) {
> >  		err = PTR_ERR(flow);
> >  		goto err_add_flow;
> > @@ -488,6 +552,207 @@ ice_eswitch_br_switchdev_event(struct notifier_block *nb,
> >  	return NOTIFY_DONE;
> >  }
> >
> > +static void ice_eswitch_br_fdb_flush(struct ice_esw_br *bridge)
> > +{
> > +	struct ice_esw_br_fdb_entry *entry, *tmp;
> > +
> > +	list_for_each_entry_safe(entry, tmp, &bridge->fdb_list, list)
> > +		ice_eswitch_br_fdb_entry_notify_and_cleanup(bridge, entry);
> > +}
> > +
> > +static void
> > +ice_eswitch_br_vlan_filtering_set(struct ice_esw_br *bridge, bool enable)
> > +{
> > +	if (enable == !!(bridge->flags & ICE_ESWITCH_BR_VLAN_FILTERING))
> > +		return;
> > +
> > +	ice_eswitch_br_fdb_flush(bridge);
> > +	if (enable)
> > +		bridge->flags |= ICE_ESWITCH_BR_VLAN_FILTERING;
> > +	else
> > +		bridge->flags &= ~ICE_ESWITCH_BR_VLAN_FILTERING;
> > +}
> > +
> > +static void
> > +ice_eswitch_br_vlan_cleanup(struct ice_esw_br_port *port,
> > +			    struct ice_esw_br_vlan *vlan)
> > +{
> > +	xa_erase(&port->vlans, vlan->vid);
> > +	kfree(vlan);
> > +}
> > +
> > +static void ice_eswitch_br_port_vlans_flush(struct ice_esw_br_port *port)
> > +{
> > +	struct ice_esw_br_vlan *vlan;
> > +	unsigned long index;
> > +
> > +	xa_for_each(&port->vlans, index, vlan)
> > +		ice_eswitch_br_vlan_cleanup(port, vlan);
> > +}
> > +
> > +static struct ice_esw_br_vlan *
> > +ice_eswitch_br_vlan_create(u16 vid, u16 flags, struct ice_esw_br_port *port)
> > +{
> > +	struct ice_esw_br_vlan *vlan;
> > +	int err;
> > +
> > +	vlan = kzalloc(sizeof(*vlan), GFP_KERNEL);
> > +	if (!vlan)
> > +		return ERR_PTR(-ENOMEM);
> > +
> > +	vlan->vid = vid;
> > +	vlan->flags = flags;
> > +
> > +	err = xa_insert(&port->vlans, vlan->vid, vlan, GFP_KERNEL);
> > +	if (err) {
> > +		kfree(vlan);
> > +		return ERR_PTR(err);
> > +	}
> > +
> > +	return vlan;
> > +}
> > +
> > +static int
> > +ice_eswitch_br_port_vlan_add(struct ice_esw_br *bridge, u16 vsi_idx, u16 vid,
> > +			     u16 flags, struct netlink_ext_ack *extack)
> > +{
> > +	struct ice_esw_br_port *port;
> > +	struct ice_esw_br_vlan *vlan;
> > +
> > +	port = xa_load(&bridge->ports, vsi_idx);
> > +	if (!port)
> > +		return -EINVAL;
> > +
> > +	vlan = xa_load(&port->vlans, vid);
> > +	if (vlan) {
> > +		if (vlan->flags == flags)
> > +			return 0;
> > +
> > +		ice_eswitch_br_vlan_cleanup(port, vlan);
> > +	}
> > +
> > +	vlan = ice_eswitch_br_vlan_create(vid, flags, port);
> > +	if (IS_ERR(vlan)) {
> > +		NL_SET_ERR_MSG_FMT_MOD(extack, "Failed to create VLAN entry, vid: %u, vsi: %u",
> > +				       vid, vsi_idx);
> > +		return PTR_ERR(vlan);
> > +	}
> > +
> > +	return 0;
> > +}
> > +
> > +static void
> > +ice_eswitch_br_port_vlan_del(struct ice_esw_br *bridge, u16 vsi_idx, u16 vid)
> > +{
> > +	struct ice_esw_br_port *port;
> > +	struct ice_esw_br_vlan *vlan;
> > +
> > +	port = xa_load(&bridge->ports, vsi_idx);
> > +	if (!port)
> > +		return;
> > +
> > +	vlan = xa_load(&port->vlans, vid);
> > +	if (!vlan)
> > +		return;
> > +
> 
> Don't you also need to cleanup all FDBs on the port matching the vid
> being deleted here?

Correct, we will add it to the next PR.

> 
> > +	ice_eswitch_br_vlan_cleanup(port, vlan);
> > +}
> > +
> > +static int
> > +ice_eswitch_br_port_obj_add(struct net_device *netdev, const void *ctx,
> > +			    const struct switchdev_obj *obj,
> > +			    struct netlink_ext_ack *extack)
> > +{
> > +	struct ice_esw_br_port *br_port = ice_eswitch_br_netdev_to_port(netdev);
> > +	struct switchdev_obj_port_vlan *vlan;
> > +	int err;
> > +
> > +	if (!br_port)
> > +		return -EINVAL;
> > +
> > +	switch (obj->id) {
> > +	case SWITCHDEV_OBJ_ID_PORT_VLAN:
> > +		vlan = SWITCHDEV_OBJ_PORT_VLAN(obj);
> > +		err = ice_eswitch_br_port_vlan_add(br_port->bridge,
> > +						   br_port->vsi_idx, vlan->vid,
> > +						   vlan->flags, extack);
> > +		return err;
> > +	default:
> > +		return -EOPNOTSUPP;
> > +	}
> > +}
> > +
> > +static int
> > +ice_eswitch_br_port_obj_del(struct net_device *netdev, const void *ctx,
> > +			    const struct switchdev_obj *obj)
> > +{
> > +	struct ice_esw_br_port *br_port = ice_eswitch_br_netdev_to_port(netdev);
> > +	struct switchdev_obj_port_vlan *vlan;
> > +
> > +	if (!br_port)
> > +		return -EINVAL;
> > +
> > +	switch (obj->id) {
> > +	case SWITCHDEV_OBJ_ID_PORT_VLAN:
> > +		vlan = SWITCHDEV_OBJ_PORT_VLAN(obj);
> > +		ice_eswitch_br_port_vlan_del(br_port->bridge, br_port->vsi_idx,
> > +					     vlan->vid);
> > +		return 0;
> > +	default:
> > +		return -EOPNOTSUPP;
> > +	}
> > +}
> > +
> > +static int
> > +ice_eswitch_br_port_obj_attr_set(struct net_device *netdev, const void *ctx,
> > +				 const struct switchdev_attr *attr,
> > +				 struct netlink_ext_ack *extack)
> > +{
> > +	struct ice_esw_br_port *br_port = ice_eswitch_br_netdev_to_port(netdev);
> > +
> > +	if (!br_port)
> > +		return -EINVAL;
> > +
> > +	switch (attr->id) {
> > +	case SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING:
> > +		ice_eswitch_br_vlan_filtering_set(br_port->bridge,
> > +						  attr->u.vlan_filtering);
> > +		return 0;
> > +	default:
> > +		return -EOPNOTSUPP;
> > +	}
> > +}
> > +
> > +static int
> > +ice_eswitch_br_event_blocking(struct notifier_block *nb, unsigned long event,
> > +			      void *ptr)
> > +{
> > +	struct net_device *dev = switchdev_notifier_info_to_dev(ptr);
> > +	int err;
> > +
> > +	switch (event) {
> > +	case SWITCHDEV_PORT_OBJ_ADD:
> > +		err = switchdev_handle_port_obj_add(dev, ptr,
> > +						    ice_eswitch_br_is_dev_valid,
> > +						    ice_eswitch_br_port_obj_add);
> > +		break;
> > +	case SWITCHDEV_PORT_OBJ_DEL:
> > +		err = switchdev_handle_port_obj_del(dev, ptr,
> > +						    ice_eswitch_br_is_dev_valid,
> > +						    ice_eswitch_br_port_obj_del);
> > +		break;
> > +	case SWITCHDEV_PORT_ATTR_SET:
> > +		err = switchdev_handle_port_attr_set(dev, ptr,
> > +						     ice_eswitch_br_is_dev_valid,
> > +						     ice_eswitch_br_port_obj_attr_set);
> > +		break;
> > +	default:
> > +		err = 0;
> > +	}
> > +
> > +	return notifier_from_errno(err);
> > +}
> > +
> >  static void
> >  ice_eswitch_br_port_deinit(struct ice_esw_br *bridge,
> >  			   struct ice_esw_br_port *br_port)
> > @@ -506,6 +771,7 @@ ice_eswitch_br_port_deinit(struct ice_esw_br *bridge,
> >  		vsi->vf->repr->br_port = NULL;
> >
> >  	xa_erase(&bridge->ports, br_port->vsi_idx);
> > +	ice_eswitch_br_port_vlans_flush(br_port);
> >  	kfree(br_port);
> >  }
> >
> > @@ -518,6 +784,8 @@ ice_eswitch_br_port_init(struct ice_esw_br *bridge)
> >  	if (!br_port)
> >  		return ERR_PTR(-ENOMEM);
> >
> > +	xa_init(&br_port->vlans);
> > +
> >  	br_port->bridge = bridge;
> >
> >  	return br_port;
> > @@ -817,6 +1085,7 @@ ice_eswitch_br_offloads_deinit(struct ice_pf *pf)
> >  		return;
> >
> >  	unregister_netdevice_notifier(&br_offloads->netdev_nb);
> > +	unregister_switchdev_blocking_notifier(&br_offloads->switchdev_blk);
> >  	unregister_switchdev_notifier(&br_offloads->switchdev_nb);
> >  	destroy_workqueue(br_offloads->wq);
> >  	/* Although notifier block is unregistered just before,
> > @@ -860,6 +1129,15 @@ ice_eswitch_br_offloads_init(struct ice_pf *pf)
> >  		goto err_reg_switchdev_nb;
> >  	}
> >
> > +	br_offloads->switchdev_blk.notifier_call =
> > +		ice_eswitch_br_event_blocking;
> > +	err = register_switchdev_blocking_notifier(&br_offloads->switchdev_blk);
> > +	if (err) {
> > +		dev_err(dev,
> > +			"Failed to register bridge blocking switchdev notifier\n");
> > +		goto err_reg_switchdev_blk;
> > +	}
> > +
> >  	br_offloads->netdev_nb.notifier_call = ice_eswitch_br_port_event;
> >  	err = register_netdevice_notifier(&br_offloads->netdev_nb);
> >  	if (err) {
> > @@ -871,6 +1149,8 @@ ice_eswitch_br_offloads_init(struct ice_pf *pf)
> >  	return 0;
> >
> >  err_reg_netdev_nb:
> > +	unregister_switchdev_blocking_notifier(&br_offloads->switchdev_blk);
> > +err_reg_switchdev_blk:
> >  	unregister_switchdev_notifier(&br_offloads->switchdev_nb);
> >  err_reg_switchdev_nb:
> >  	destroy_workqueue(br_offloads->wq);
> > diff --git a/drivers/net/ethernet/intel/ice/ice_eswitch_br.h b/drivers/net/ethernet/intel/ice/ice_eswitch_br.h
> > index 7afd00cdea9a..dd49b273451a 100644
> > --- a/drivers/net/ethernet/intel/ice/ice_eswitch_br.h
> > +++ b/drivers/net/ethernet/intel/ice/ice_eswitch_br.h
> > @@ -42,6 +42,11 @@ struct ice_esw_br_port {
> >  	struct ice_vsi *vsi;
> >  	enum ice_esw_br_port_type type;
> >  	u16 vsi_idx;
> > +	struct xarray vlans;
> > +};
> > +
> > +enum {
> > +	ICE_ESWITCH_BR_VLAN_FILTERING = BIT(0),
> >  };
> >
> >  struct ice_esw_br {
> > @@ -52,12 +57,14 @@ struct ice_esw_br {
> >  	struct list_head fdb_list;
> >
> >  	int ifindex;
> > +	u32 flags;
> >  };
> >
> >  struct ice_esw_br_offloads {
> >  	struct ice_pf *pf;
> >  	struct ice_esw_br *bridge;
> >  	struct notifier_block netdev_nb;
> > +	struct notifier_block switchdev_blk;
> >  	struct notifier_block switchdev_nb;
> >
> >  	struct workqueue_struct *wq;
> > @@ -71,6 +78,11 @@ struct ice_esw_br_fdb_work {
> >  	unsigned long event;
> >  };
> >
> > +struct ice_esw_br_vlan {
> > +	u16 vid;
> > +	u16 flags;
> > +};
> > +
> >  #define ice_nb_to_br_offloads(nb, nb_name) \
> >  	container_of(nb, \
> >  		     struct ice_esw_br_offloads, \
> > @@ -81,6 +93,15 @@ struct ice_esw_br_fdb_work {
> >  		     struct ice_esw_br_fdb_work, \
> >  		     work)
> >
> > +static inline bool ice_eswitch_br_is_vid_valid(u16 vid)
> > +{
> > +	/* In trunk VLAN mode, for untagged traffic the bridge sends requests
> > +	 * to offload VLAN 1 with pvid and untagged flags set. Since these
> > +	 * flags are not supported, add a MAC filter instead.
> > +	 */
> > +	return vid > 1;
> > +}
> > +
> >  void
> >  ice_eswitch_br_offloads_deinit(struct ice_pf *pf);
> >  int

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