ice: implement bridge port vlan

Port VLAN in this case means push and pop VLAN action on specific vid.
There are a few limitation in hardware:
- push and pop can't be used separately
- if port VLAN is used there can't be any trunk VLANs, because pop
  action is done on all traffic received by VSI in port VLAN mode
- port VLAN mode on uplink port isn't supported

Reflect these limitations in code using dev_info to inform the user
about unsupported configuration.

In bridge mode there is a need to configure port vlan without resetting
VFs. To do that implement ice_port_vlan_on/off() functions. They are
only configuring correct vlan_ops to allow setting port vlan.

We also need to clear port vlan without resetting the VF which is not
supported right now. Change it by implementing clear_port_vlan ops.
As previous VLAN configuration isn't always the same, store current
config while creating port vlan and restore it in clear function.

Configuration steps:
- configure switchdev with bridge
- #bridge vlan add dev eth0 vid 120 pvid untagged
- #bridge vlan add dev eth1 vid 120 pvid untagged
- ping from VF0 to VF1

Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Tested-by: Sujai Buvaneswaran <sujai.buvaneswaran@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h
index 8918a4b..9109006 100644 (file)
--- a/drivers/net/ethernet/intel/ice/ice.h
+++ b/drivers/net/ethernet/intel/ice/ice.h
@@ -370,6 +370,7 @@ struct ice_vsi {
        u16 rx_buf_len;
 
        struct ice_aqc_vsi_props info;   /* VSI properties */
+       struct ice_vsi_vlan_info vlan_info;     /* vlan config to be restored */
 
        /* VSI stats */
        struct rtnl_link_stats64 net_stats;

diff --git a/drivers/net/ethernet/intel/ice/ice_eswitch_br.c b/drivers/net/ethernet/intel/ice/ice_eswitch_br.c
index 151b408..85143ad 100644 (file)
--- a/drivers/net/ethernet/intel/ice/ice_eswitch_br.c
+++ b/drivers/net/ethernet/intel/ice/ice_eswitch_br.c
@@ -5,6 +5,8 @@
 #include "ice_eswitch_br.h"
 #include "ice_repr.h"
 #include "ice_switch.h"
+#include "ice_vlan.h"
+#include "ice_vf_vsi_vlan_ops.h"
 
 static const struct rhashtable_params ice_fdb_ht_params = {
        .key_offset = offsetof(struct ice_esw_br_fdb_entry, data),
@@ -570,6 +572,22 @@ ice_eswitch_br_vlan_filtering_set(struct ice_esw_br *bridge, bool enable)
 }
 
 static void
+ice_eswitch_br_clear_pvid(struct ice_esw_br_port *port)
+{
+       struct ice_vlan port_vlan = ICE_VLAN(ETH_P_8021Q, port->pvid, 0);
+       struct ice_vsi_vlan_ops *vlan_ops;
+
+       vlan_ops = ice_get_compat_vsi_vlan_ops(port->vsi);
+
+       vlan_ops->del_vlan(port->vsi, &port_vlan);
+       vlan_ops->clear_port_vlan(port->vsi);
+
+       ice_vf_vsi_disable_port_vlan(port->vsi);
+
+       port->pvid = 0;
+}
+
+static void
 ice_eswitch_br_vlan_cleanup(struct ice_esw_br_port *port,
                            struct ice_esw_br_vlan *vlan)
 {
@@ -582,6 +600,8 @@ ice_eswitch_br_vlan_cleanup(struct ice_esw_br_port *port,
        }
 
        xa_erase(&port->vlans, vlan->vid);
+       if (port->pvid == vlan->vid)
+               ice_eswitch_br_clear_pvid(port);
        kfree(vlan);
 }
 
@@ -594,9 +614,50 @@ static void ice_eswitch_br_port_vlans_flush(struct ice_esw_br_port *port)
                ice_eswitch_br_vlan_cleanup(port, vlan);
 }
 
+static int
+ice_eswitch_br_set_pvid(struct ice_esw_br_port *port,
+                       struct ice_esw_br_vlan *vlan)
+{
+       struct ice_vlan port_vlan = ICE_VLAN(ETH_P_8021Q, vlan->vid, 0);
+       struct device *dev = ice_pf_to_dev(port->vsi->back);
+       struct ice_vsi_vlan_ops *vlan_ops;
+       int err;
+
+       if (port->pvid == vlan->vid || vlan->vid == 1)
+               return 0;
+
+       /* Setting port vlan on uplink isn't supported by hw */
+       if (port->type == ICE_ESWITCH_BR_UPLINK_PORT)
+               return -EOPNOTSUPP;
+
+       if (port->pvid) {
+               dev_info(dev,
+                        "Port VLAN (vsi=%u, vid=%u) already exists on the port, remove it before adding new one\n",
+                        port->vsi_idx, port->pvid);
+               return -EEXIST;
+       }
+
+       ice_vf_vsi_enable_port_vlan(port->vsi);
+
+       vlan_ops = ice_get_compat_vsi_vlan_ops(port->vsi);
+       err = vlan_ops->set_port_vlan(port->vsi, &port_vlan);
+       if (err)
+               return err;
+
+       err = vlan_ops->add_vlan(port->vsi, &port_vlan);
+       if (err)
+               return err;
+
+       ice_eswitch_br_port_vlans_flush(port);
+       port->pvid = vlan->vid;
+
+       return 0;
+}
+
 static struct ice_esw_br_vlan *
 ice_eswitch_br_vlan_create(u16 vid, u16 flags, struct ice_esw_br_port *port)
 {
+       struct device *dev = ice_pf_to_dev(port->vsi->back);
        struct ice_esw_br_vlan *vlan;
        int err;
 
@@ -606,14 +667,30 @@ ice_eswitch_br_vlan_create(u16 vid, u16 flags, struct ice_esw_br_port *port)
 
        vlan->vid = vid;
        vlan->flags = flags;
+       if ((flags & BRIDGE_VLAN_INFO_PVID) &&
+           (flags & BRIDGE_VLAN_INFO_UNTAGGED)) {
+               err = ice_eswitch_br_set_pvid(port, vlan);
+               if (err)
+                       goto err_set_pvid;
+       } else if ((flags & BRIDGE_VLAN_INFO_PVID) ||
+                  (flags & BRIDGE_VLAN_INFO_UNTAGGED)) {
+               dev_info(dev, "VLAN push and pop are supported only simultaneously\n");
+               err = -EOPNOTSUPP;
+               goto err_set_pvid;
+       }
 
        err = xa_insert(&port->vlans, vlan->vid, vlan, GFP_KERNEL);
-       if (err) {
-               kfree(vlan);
-               return ERR_PTR(err);
-       }
+       if (err)
+               goto err_insert;
 
        return vlan;
+
+err_insert:
+       if (port->pvid)
+               ice_eswitch_br_clear_pvid(port);
+err_set_pvid:
+       kfree(vlan);
+       return ERR_PTR(err);
 }
 
 static int
@@ -627,6 +704,13 @@ ice_eswitch_br_port_vlan_add(struct ice_esw_br *bridge, u16 vsi_idx, u16 vid,
        if (!port)
                return -EINVAL;
 
+       if (port->pvid) {
+               dev_info(ice_pf_to_dev(port->vsi->back),
+                        "Port VLAN (vsi=%u, vid=%d) exists on the port, remove it to add trunk VLANs\n",
+                        port->vsi_idx, port->pvid);
+               return -EEXIST;
+       }
+
        vlan = xa_load(&port->vlans, vid);
        if (vlan) {
                if (vlan->flags == flags)

diff --git a/drivers/net/ethernet/intel/ice/ice_eswitch_br.h b/drivers/net/ethernet/intel/ice/ice_eswitch_br.h
index fa1f77f..978e9ce 100644 (file)
--- a/drivers/net/ethernet/intel/ice/ice_eswitch_br.h
+++ b/drivers/net/ethernet/intel/ice/ice_eswitch_br.h
@@ -42,6 +42,7 @@ struct ice_esw_br_port {
        struct ice_vsi *vsi;
        enum ice_esw_br_port_type type;
        u16 vsi_idx;
+       u16 pvid;
        struct xarray vlans;
 };
 

diff --git a/drivers/net/ethernet/intel/ice/ice_vf_vsi_vlan_ops.c b/drivers/net/ethernet/intel/ice/ice_vf_vsi_vlan_ops.c
index b1ffb81..d7b10dc 100644 (file)
--- a/drivers/net/ethernet/intel/ice/ice_vf_vsi_vlan_ops.c
+++ b/drivers/net/ethernet/intel/ice/ice_vf_vsi_vlan_ops.c
@@ -21,6 +21,99 @@ noop_vlan(struct ice_vsi __always_unused *vsi)
        return 0;
 }
 
+static void ice_port_vlan_on(struct ice_vsi *vsi)
+{
+       struct ice_vsi_vlan_ops *vlan_ops;
+       struct ice_pf *pf = vsi->back;
+
+       if (ice_is_dvm_ena(&pf->hw)) {
+               vlan_ops = &vsi->outer_vlan_ops;
+
+               /* setup outer VLAN ops */
+               vlan_ops->set_port_vlan = ice_vsi_set_outer_port_vlan;
+               vlan_ops->clear_port_vlan = ice_vsi_clear_outer_port_vlan;
+               vlan_ops->clear_port_vlan = ice_vsi_clear_outer_port_vlan;
+
+               /* setup inner VLAN ops */
+               vlan_ops = &vsi->inner_vlan_ops;
+               vlan_ops->add_vlan = noop_vlan_arg;
+               vlan_ops->del_vlan = noop_vlan_arg;
+               vlan_ops->ena_stripping = ice_vsi_ena_inner_stripping;
+               vlan_ops->dis_stripping = ice_vsi_dis_inner_stripping;
+               vlan_ops->ena_insertion = ice_vsi_ena_inner_insertion;
+               vlan_ops->dis_insertion = ice_vsi_dis_inner_insertion;
+       } else {
+               vlan_ops = &vsi->inner_vlan_ops;
+
+               vlan_ops->set_port_vlan = ice_vsi_set_inner_port_vlan;
+               vlan_ops->clear_port_vlan = ice_vsi_clear_inner_port_vlan;
+               vlan_ops->clear_port_vlan = ice_vsi_clear_inner_port_vlan;
+       }
+       vlan_ops->ena_rx_filtering = ice_vsi_ena_rx_vlan_filtering;
+}
+
+static void ice_port_vlan_off(struct ice_vsi *vsi)
+{
+       struct ice_vsi_vlan_ops *vlan_ops;
+       struct ice_pf *pf = vsi->back;
+
+       /* setup inner VLAN ops */
+       vlan_ops = &vsi->inner_vlan_ops;
+
+       vlan_ops->ena_stripping = ice_vsi_ena_inner_stripping;
+       vlan_ops->dis_stripping = ice_vsi_dis_inner_stripping;
+       vlan_ops->ena_insertion = ice_vsi_ena_inner_insertion;
+       vlan_ops->dis_insertion = ice_vsi_dis_inner_insertion;
+
+       if (ice_is_dvm_ena(&pf->hw)) {
+               vlan_ops = &vsi->outer_vlan_ops;
+
+               vlan_ops->del_vlan = ice_vsi_del_vlan;
+               vlan_ops->ena_stripping = ice_vsi_ena_outer_stripping;
+               vlan_ops->dis_stripping = ice_vsi_dis_outer_stripping;
+               vlan_ops->ena_insertion = ice_vsi_ena_outer_insertion;
+               vlan_ops->dis_insertion = ice_vsi_dis_outer_insertion;
+       } else {
+               vlan_ops->del_vlan = ice_vsi_del_vlan;
+       }
+
+       if (!test_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags))
+               vlan_ops->ena_rx_filtering = noop_vlan;
+       else
+               vlan_ops->ena_rx_filtering =
+                       ice_vsi_ena_rx_vlan_filtering;
+}
+
+/**
+ * ice_vf_vsi_enable_port_vlan - Set VSI VLAN ops to support port VLAN
+ * @vsi: VF's VSI being configured
+ *
+ * The function won't create port VLAN, it only allows to create port VLAN
+ * using VLAN ops on the VF VSI.
+ */
+void ice_vf_vsi_enable_port_vlan(struct ice_vsi *vsi)
+{
+       if (WARN_ON_ONCE(!vsi->vf))
+               return;
+
+       ice_port_vlan_on(vsi);
+}
+
+/**
+ * ice_vf_vsi_disable_port_vlan - Clear VSI support for creating port VLAN
+ * @vsi: VF's VSI being configured
+ *
+ * The function should be called after removing port VLAN on VSI
+ * (using VLAN ops)
+ */
+void ice_vf_vsi_disable_port_vlan(struct ice_vsi *vsi)
+{
+       if (WARN_ON_ONCE(!vsi->vf))
+               return;
+
+       ice_port_vlan_off(vsi);
+}
+
 /**
  * ice_vf_vsi_init_vlan_ops - Initialize default VSI VLAN ops for VF VSI
  * @vsi: VF's VSI being configured
@@ -39,91 +132,18 @@ void ice_vf_vsi_init_vlan_ops(struct ice_vsi *vsi)
        if (WARN_ON(!vf))
                return;
 
-       if (ice_is_dvm_ena(&pf->hw)) {
-               vlan_ops = &vsi->outer_vlan_ops;
+       if (ice_vf_is_port_vlan_ena(vf))
+               ice_port_vlan_on(vsi);
+       else
+               ice_port_vlan_off(vsi);
 
-               /* outer VLAN ops regardless of port VLAN config */
-               vlan_ops->add_vlan = ice_vsi_add_vlan;
-               vlan_ops->ena_tx_filtering = ice_vsi_ena_tx_vlan_filtering;
-               vlan_ops->dis_tx_filtering = ice_vsi_dis_tx_vlan_filtering;
-
-               if (ice_vf_is_port_vlan_ena(vf)) {
-                       /* setup outer VLAN ops */
-                       vlan_ops->set_port_vlan = ice_vsi_set_outer_port_vlan;
-                       /* all Rx traffic should be in the domain of the
-                        * assigned port VLAN, so prevent disabling Rx VLAN
-                        * filtering
-                        */
-                       vlan_ops->dis_rx_filtering = noop_vlan;
-                       vlan_ops->ena_rx_filtering =
-                               ice_vsi_ena_rx_vlan_filtering;
-
-                       /* setup inner VLAN ops */
-                       vlan_ops = &vsi->inner_vlan_ops;
-                       vlan_ops->add_vlan = noop_vlan_arg;
-                       vlan_ops->del_vlan = noop_vlan_arg;
-                       vlan_ops->ena_stripping = ice_vsi_ena_inner_stripping;
-                       vlan_ops->dis_stripping = ice_vsi_dis_inner_stripping;
-                       vlan_ops->ena_insertion = ice_vsi_ena_inner_insertion;
-                       vlan_ops->dis_insertion = ice_vsi_dis_inner_insertion;
-               } else {
-                       vlan_ops->dis_rx_filtering =
-                               ice_vsi_dis_rx_vlan_filtering;
-
-                       if (!test_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags))
-                               vlan_ops->ena_rx_filtering = noop_vlan;
-                       else
-                               vlan_ops->ena_rx_filtering =
-                                       ice_vsi_ena_rx_vlan_filtering;
-
-                       vlan_ops->del_vlan = ice_vsi_del_vlan;
-                       vlan_ops->ena_stripping = ice_vsi_ena_outer_stripping;
-                       vlan_ops->dis_stripping = ice_vsi_dis_outer_stripping;
-                       vlan_ops->ena_insertion = ice_vsi_ena_outer_insertion;
-                       vlan_ops->dis_insertion = ice_vsi_dis_outer_insertion;
-
-                       /* setup inner VLAN ops */
-                       vlan_ops = &vsi->inner_vlan_ops;
-
-                       vlan_ops->ena_stripping = ice_vsi_ena_inner_stripping;
-                       vlan_ops->dis_stripping = ice_vsi_dis_inner_stripping;
-                       vlan_ops->ena_insertion = ice_vsi_ena_inner_insertion;
-                       vlan_ops->dis_insertion = ice_vsi_dis_inner_insertion;
-               }
-       } else {
-               vlan_ops = &vsi->inner_vlan_ops;
+       vlan_ops = ice_is_dvm_ena(&pf->hw) ?
+               &vsi->outer_vlan_ops : &vsi->inner_vlan_ops;
 
-               /* inner VLAN ops regardless of port VLAN config */
-               vlan_ops->add_vlan = ice_vsi_add_vlan;
-               vlan_ops->dis_rx_filtering = ice_vsi_dis_rx_vlan_filtering;
-               vlan_ops->ena_tx_filtering = ice_vsi_ena_tx_vlan_filtering;
-               vlan_ops->dis_tx_filtering = ice_vsi_dis_tx_vlan_filtering;
-
-               if (ice_vf_is_port_vlan_ena(vf)) {
-                       vlan_ops->set_port_vlan = ice_vsi_set_inner_port_vlan;
-                       vlan_ops->ena_rx_filtering =
-                               ice_vsi_ena_rx_vlan_filtering;
-                       /* all Rx traffic should be in the domain of the
-                        * assigned port VLAN, so prevent disabling Rx VLAN
-                        * filtering
-                        */
-                       vlan_ops->dis_rx_filtering = noop_vlan;
-               } else {
-                       vlan_ops->dis_rx_filtering =
-                               ice_vsi_dis_rx_vlan_filtering;
-                       if (!test_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags))
-                               vlan_ops->ena_rx_filtering = noop_vlan;
-                       else
-                               vlan_ops->ena_rx_filtering =
-                                       ice_vsi_ena_rx_vlan_filtering;
-
-                       vlan_ops->del_vlan = ice_vsi_del_vlan;
-                       vlan_ops->ena_stripping = ice_vsi_ena_inner_stripping;
-                       vlan_ops->dis_stripping = ice_vsi_dis_inner_stripping;
-                       vlan_ops->ena_insertion = ice_vsi_ena_inner_insertion;
-                       vlan_ops->dis_insertion = ice_vsi_dis_inner_insertion;
-               }
-       }
+       vlan_ops->add_vlan = ice_vsi_add_vlan;
+       vlan_ops->dis_rx_filtering = ice_vsi_dis_rx_vlan_filtering;
+       vlan_ops->ena_tx_filtering = ice_vsi_ena_tx_vlan_filtering;
+       vlan_ops->dis_tx_filtering = ice_vsi_dis_tx_vlan_filtering;
 }
 
 /**

diff --git a/drivers/net/ethernet/intel/ice/ice_vf_vsi_vlan_ops.h b/drivers/net/ethernet/intel/ice/ice_vf_vsi_vlan_ops.h
index 875a4e6..df8aa09 100644 (file)
--- a/drivers/net/ethernet/intel/ice/ice_vf_vsi_vlan_ops.h
+++ b/drivers/net/ethernet/intel/ice/ice_vf_vsi_vlan_ops.h
@@ -13,7 +13,11 @@ void ice_vf_vsi_cfg_svm_legacy_vlan_mode(struct ice_vsi *vsi);
 
 #ifdef CONFIG_PCI_IOV
 void ice_vf_vsi_init_vlan_ops(struct ice_vsi *vsi);
+void ice_vf_vsi_enable_port_vlan(struct ice_vsi *vsi);
+void ice_vf_vsi_disable_port_vlan(struct ice_vsi *vsi);
 #else
 static inline void ice_vf_vsi_init_vlan_ops(struct ice_vsi *vsi) { }
+static inline void ice_vf_vsi_enable_port_vlan(struct ice_vsi *vsi) { }
+static inline void ice_vf_vsi_disable_port_vlan(struct ice_vsi *vsi) { }
 #endif /* CONFIG_PCI_IOV */
 #endif /* _ICE_PF_VSI_VLAN_OPS_H_ */

diff --git a/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.c b/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.c
index 5b4a0ab..76266e7 100644 (file)
--- a/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.c
@@ -202,6 +202,24 @@ int ice_vsi_dis_inner_insertion(struct ice_vsi *vsi)
        return ice_vsi_manage_vlan_insertion(vsi);
 }
 
+static void
+ice_save_vlan_info(struct ice_aqc_vsi_props *info,
+                  struct ice_vsi_vlan_info *vlan)
+{
+       vlan->sw_flags2 = info->sw_flags2;
+       vlan->inner_vlan_flags = info->inner_vlan_flags;
+       vlan->outer_vlan_flags = info->outer_vlan_flags;
+}
+
+static void
+ice_restore_vlan_info(struct ice_aqc_vsi_props *info,
+                     struct ice_vsi_vlan_info *vlan)
+{
+       info->sw_flags2 = vlan->sw_flags2;
+       info->inner_vlan_flags = vlan->inner_vlan_flags;
+       info->outer_vlan_flags = vlan->outer_vlan_flags;
+}
+
 /**
  * __ice_vsi_set_inner_port_vlan - set port VLAN VSI context settings to enable a port VLAN
  * @vsi: the VSI to update
@@ -218,6 +236,7 @@ static int __ice_vsi_set_inner_port_vlan(struct ice_vsi *vsi, u16 pvid_info)
        if (!ctxt)
                return -ENOMEM;
 
+       ice_save_vlan_info(&vsi->info, &vsi->vlan_info);
        ctxt->info = vsi->info;
        info = &ctxt->info;
        info->inner_vlan_flags = ICE_AQ_VSI_INNER_VLAN_TX_MODE_ACCEPTUNTAGGED |
@@ -259,6 +278,33 @@ int ice_vsi_set_inner_port_vlan(struct ice_vsi *vsi, struct ice_vlan *vlan)
        return __ice_vsi_set_inner_port_vlan(vsi, port_vlan_info);
 }
 
+int ice_vsi_clear_inner_port_vlan(struct ice_vsi *vsi)
+{
+       struct ice_hw *hw = &vsi->back->hw;
+       struct ice_aqc_vsi_props *info;
+       struct ice_vsi_ctx *ctxt;
+       int ret;
+
+       ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL);
+       if (!ctxt)
+               return -ENOMEM;
+
+       ice_restore_vlan_info(&vsi->info, &vsi->vlan_info);
+       vsi->info.port_based_inner_vlan = 0;
+       ctxt->info = vsi->info;
+       info = &ctxt->info;
+       info->valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID |
+                                          ICE_AQ_VSI_PROP_SW_VALID);
+
+       ret = ice_update_vsi(hw, vsi->idx, ctxt, NULL);
+       if (ret)
+               dev_err(ice_hw_to_dev(hw), "update VSI for port VLAN failed, err %d aq_err %s\n",
+                       ret, ice_aq_str(hw->adminq.sq_last_status));
+
+       kfree(ctxt);
+       return ret;
+}
+
 /**
  * ice_cfg_vlan_pruning - enable or disable VLAN pruning on the VSI
  * @vsi: VSI to enable or disable VLAN pruning on
@@ -647,6 +693,7 @@ __ice_vsi_set_outer_port_vlan(struct ice_vsi *vsi, u16 vlan_info, u16 tpid)
        if (!ctxt)
                return -ENOMEM;
 
+       ice_save_vlan_info(&vsi->info, &vsi->vlan_info);
        ctxt->info = vsi->info;
 
        ctxt->info.sw_flags2 |= ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA;
@@ -689,9 +736,6 @@ __ice_vsi_set_outer_port_vlan(struct ice_vsi *vsi, u16 vlan_info, u16 tpid)
  * used if DVM is supported. Also, this function should never be called directly
  * as it should be part of ice_vsi_vlan_ops if it's needed.
  *
- * This function does not support clearing the port VLAN as there is currently
- * no use case for this.
- *
  * Use the ice_vlan structure passed in to set this VSI in a port VLAN.
  */
 int ice_vsi_set_outer_port_vlan(struct ice_vsi *vsi, struct ice_vlan *vlan)
@@ -705,3 +749,37 @@ int ice_vsi_set_outer_port_vlan(struct ice_vsi *vsi, struct ice_vlan *vlan)
 
        return __ice_vsi_set_outer_port_vlan(vsi, port_vlan_info, vlan->tpid);
 }
+
+/**
+ * ice_vsi_clear_outer_port_vlan - clear outer port vlan
+ * @vsi: VSI to configure
+ *
+ * The function is restoring previously set vlan config (saved in
+ * vsi->vlan_info). Setting happens in port vlan configuration.
+ */
+int ice_vsi_clear_outer_port_vlan(struct ice_vsi *vsi)
+{
+       struct ice_hw *hw = &vsi->back->hw;
+       struct ice_vsi_ctx *ctxt;
+       int err;
+
+       ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL);
+       if (!ctxt)
+               return -ENOMEM;
+
+       ice_restore_vlan_info(&vsi->info, &vsi->vlan_info);
+       vsi->info.port_based_outer_vlan = 0;
+       ctxt->info = vsi->info;
+
+       ctxt->info.valid_sections =
+               cpu_to_le16(ICE_AQ_VSI_PROP_OUTER_TAG_VALID |
+                           ICE_AQ_VSI_PROP_SW_VALID);
+
+       err = ice_update_vsi(hw, vsi->idx, ctxt, NULL);
+       if (err)
+               dev_err(ice_pf_to_dev(vsi->back), "update VSI for clearing outer port based VLAN failed, err %d aq_err %s\n",
+                       err, ice_aq_str(hw->adminq.sq_last_status));
+
+       kfree(ctxt);
+       return err;
+}

diff --git a/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.h b/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.h
index f459909..f0d84d1 100644 (file)
--- a/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.h
+++ b/drivers/net/ethernet/intel/ice/ice_vsi_vlan_lib.h
@@ -7,6 +7,12 @@
 #include <linux/types.h>
 #include "ice_vlan.h"
 
+struct ice_vsi_vlan_info {
+       u8 sw_flags2;
+       u8 inner_vlan_flags;
+       u8 outer_vlan_flags;
+};
+
 struct ice_vsi;
 
 int ice_vsi_add_vlan(struct ice_vsi *vsi, struct ice_vlan *vlan);
@@ -17,6 +23,7 @@ int ice_vsi_dis_inner_stripping(struct ice_vsi *vsi);
 int ice_vsi_ena_inner_insertion(struct ice_vsi *vsi, u16 tpid);
 int ice_vsi_dis_inner_insertion(struct ice_vsi *vsi);
 int ice_vsi_set_inner_port_vlan(struct ice_vsi *vsi, struct ice_vlan *vlan);
+int ice_vsi_clear_inner_port_vlan(struct ice_vsi *vsi);
 
 int ice_vsi_ena_rx_vlan_filtering(struct ice_vsi *vsi);
 int ice_vsi_dis_rx_vlan_filtering(struct ice_vsi *vsi);
@@ -28,5 +35,6 @@ int ice_vsi_dis_outer_stripping(struct ice_vsi *vsi);
 int ice_vsi_ena_outer_insertion(struct ice_vsi *vsi, u16 tpid);
 int ice_vsi_dis_outer_insertion(struct ice_vsi *vsi);
 int ice_vsi_set_outer_port_vlan(struct ice_vsi *vsi, struct ice_vlan *vlan);
+int ice_vsi_clear_outer_port_vlan(struct ice_vsi *vsi);
 
 #endif /* _ICE_VSI_VLAN_LIB_H_ */

diff --git a/drivers/net/ethernet/intel/ice/ice_vsi_vlan_ops.h b/drivers/net/ethernet/intel/ice/ice_vsi_vlan_ops.h
index 5b47568..b2d2330 100644 (file)
--- a/drivers/net/ethernet/intel/ice/ice_vsi_vlan_ops.h
+++ b/drivers/net/ethernet/intel/ice/ice_vsi_vlan_ops.h
@@ -21,6 +21,7 @@ struct ice_vsi_vlan_ops {
        int (*ena_tx_filtering)(struct ice_vsi *vsi);
        int (*dis_tx_filtering)(struct ice_vsi *vsi);
        int (*set_port_vlan)(struct ice_vsi *vsi, struct ice_vlan *vlan);
+       int (*clear_port_vlan)(struct ice_vsi *vsi);
 };
 
 void ice_vsi_init_vlan_ops(struct ice_vsi *vsi);