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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:12 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:12 +0000
commit8665bd53f2f2e27e5511d90428cb3f60e6d0ce15 (patch)
tree8d58900dc0ebd4a3011f92c128d2fe45bc7c4bf2 /drivers/net/ethernet/intel/ice/ice_repr.c
parentAdding debian version 6.7.12-1. (diff)
downloadlinux-8665bd53f2f2e27e5511d90428cb3f60e6d0ce15.tar.xz
linux-8665bd53f2f2e27e5511d90428cb3f60e6d0ce15.zip
Merging upstream version 6.8.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_repr.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_repr.c195
1 files changed, 94 insertions, 101 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_repr.c b/drivers/net/ethernet/intel/ice/ice_repr.c
index c686ac0935..5f30fb131f 100644
--- a/drivers/net/ethernet/intel/ice/ice_repr.c
+++ b/drivers/net/ethernet/intel/ice/ice_repr.c
@@ -14,7 +14,7 @@
*/
static int ice_repr_get_sw_port_id(struct ice_repr *repr)
{
- return repr->vf->pf->hw.port_info->lport;
+ return repr->src_vsi->back->hw.port_info->lport;
}
/**
@@ -35,7 +35,7 @@ ice_repr_get_phys_port_name(struct net_device *netdev, char *buf, size_t len)
return -EOPNOTSUPP;
res = snprintf(buf, len, "pf%dvfr%d", ice_repr_get_sw_port_id(repr),
- repr->vf->vf_id);
+ repr->id);
if (res <= 0)
return -EOPNOTSUPP;
return 0;
@@ -278,25 +278,67 @@ ice_repr_reg_netdev(struct net_device *netdev)
return register_netdev(netdev);
}
+static void ice_repr_remove_node(struct devlink_port *devlink_port)
+{
+ devl_lock(devlink_port->devlink);
+ devl_rate_leaf_destroy(devlink_port);
+ devl_unlock(devlink_port->devlink);
+}
+
/**
- * ice_repr_add - add representor for VF
- * @vf: pointer to VF structure
+ * ice_repr_rem - remove representor from VF
+ * @repr: pointer to representor structure
*/
-static int ice_repr_add(struct ice_vf *vf)
+static void ice_repr_rem(struct ice_repr *repr)
+{
+ kfree(repr->q_vector);
+ free_netdev(repr->netdev);
+ kfree(repr);
+}
+
+/**
+ * ice_repr_rem_vf - remove representor from VF
+ * @repr: pointer to representor structure
+ */
+void ice_repr_rem_vf(struct ice_repr *repr)
+{
+ ice_repr_remove_node(&repr->vf->devlink_port);
+ unregister_netdev(repr->netdev);
+ ice_devlink_destroy_vf_port(repr->vf);
+ ice_virtchnl_set_dflt_ops(repr->vf);
+ ice_repr_rem(repr);
+}
+
+static void ice_repr_set_tx_topology(struct ice_pf *pf)
+{
+ struct devlink *devlink;
+
+ /* only export if ADQ and DCB disabled and eswitch enabled*/
+ if (ice_is_adq_active(pf) || ice_is_dcb_active(pf) ||
+ !ice_is_switchdev_running(pf))
+ return;
+
+ devlink = priv_to_devlink(pf);
+ ice_devlink_rate_init_tx_topology(devlink, ice_get_main_vsi(pf));
+}
+
+/**
+ * ice_repr_add - add representor for generic VSI
+ * @pf: pointer to PF structure
+ * @src_vsi: pointer to VSI structure of device to represent
+ * @parent_mac: device MAC address
+ */
+static struct ice_repr *
+ice_repr_add(struct ice_pf *pf, struct ice_vsi *src_vsi, const u8 *parent_mac)
{
struct ice_q_vector *q_vector;
struct ice_netdev_priv *np;
struct ice_repr *repr;
- struct ice_vsi *vsi;
int err;
- vsi = ice_get_vf_vsi(vf);
- if (!vsi)
- return -EINVAL;
-
repr = kzalloc(sizeof(*repr), GFP_KERNEL);
if (!repr)
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
repr->netdev = alloc_etherdev(sizeof(struct ice_netdev_priv));
if (!repr->netdev) {
@@ -304,9 +346,7 @@ static int ice_repr_add(struct ice_vf *vf)
goto err_alloc;
}
- repr->src_vsi = vsi;
- repr->vf = vf;
- vf->repr = repr;
+ repr->src_vsi = src_vsi;
np = netdev_priv(repr->netdev);
np->repr = repr;
@@ -316,10 +356,40 @@ static int ice_repr_add(struct ice_vf *vf)
goto err_alloc_q_vector;
}
repr->q_vector = q_vector;
+ repr->q_id = repr->id;
+
+ ether_addr_copy(repr->parent_mac, parent_mac);
+
+ return repr;
+
+err_alloc_q_vector:
+ free_netdev(repr->netdev);
+err_alloc:
+ kfree(repr);
+ return ERR_PTR(err);
+}
+
+struct ice_repr *ice_repr_add_vf(struct ice_vf *vf)
+{
+ struct ice_repr *repr;
+ struct ice_vsi *vsi;
+ int err;
+
+ vsi = ice_get_vf_vsi(vf);
+ if (!vsi)
+ return ERR_PTR(-ENOENT);
err = ice_devlink_create_vf_port(vf);
if (err)
- goto err_devlink;
+ return ERR_PTR(err);
+
+ repr = ice_repr_add(vf->pf, vsi, vf->hw_lan_addr);
+ if (IS_ERR(repr)) {
+ err = PTR_ERR(repr);
+ goto err_repr_add;
+ }
+
+ repr->vf = vf;
repr->netdev->min_mtu = ETH_MIN_MTU;
repr->netdev->max_mtu = ICE_MAX_MTU;
@@ -331,100 +401,23 @@ static int ice_repr_add(struct ice_vf *vf)
goto err_netdev;
ice_virtchnl_set_repr_ops(vf);
+ ice_repr_set_tx_topology(vf->pf);
- return 0;
+ return repr;
err_netdev:
+ ice_repr_rem(repr);
+err_repr_add:
ice_devlink_destroy_vf_port(vf);
-err_devlink:
- kfree(repr->q_vector);
- vf->repr->q_vector = NULL;
-err_alloc_q_vector:
- free_netdev(repr->netdev);
- repr->netdev = NULL;
-err_alloc:
- kfree(repr);
- vf->repr = NULL;
- return err;
-}
-
-/**
- * ice_repr_rem - remove representor from VF
- * @vf: pointer to VF structure
- */
-static void ice_repr_rem(struct ice_vf *vf)
-{
- if (!vf->repr)
- return;
-
- kfree(vf->repr->q_vector);
- vf->repr->q_vector = NULL;
- unregister_netdev(vf->repr->netdev);
- ice_devlink_destroy_vf_port(vf);
- free_netdev(vf->repr->netdev);
- vf->repr->netdev = NULL;
- kfree(vf->repr);
- vf->repr = NULL;
-
- ice_virtchnl_set_dflt_ops(vf);
-}
-
-/**
- * ice_repr_rem_from_all_vfs - remove port representor for all VFs
- * @pf: pointer to PF structure
- */
-void ice_repr_rem_from_all_vfs(struct ice_pf *pf)
-{
- struct devlink *devlink;
- struct ice_vf *vf;
- unsigned int bkt;
-
- lockdep_assert_held(&pf->vfs.table_lock);
-
- ice_for_each_vf(pf, bkt, vf)
- ice_repr_rem(vf);
-
- /* since all port representors are destroyed, there is
- * no point in keeping the nodes
- */
- devlink = priv_to_devlink(pf);
- devl_lock(devlink);
- devl_rate_nodes_destroy(devlink);
- devl_unlock(devlink);
+ return ERR_PTR(err);
}
-/**
- * ice_repr_add_for_all_vfs - add port representor for all VFs
- * @pf: pointer to PF structure
- */
-int ice_repr_add_for_all_vfs(struct ice_pf *pf)
+struct ice_repr *ice_repr_get_by_vsi(struct ice_vsi *vsi)
{
- struct devlink *devlink;
- struct ice_vf *vf;
- unsigned int bkt;
- int err;
-
- lockdep_assert_held(&pf->vfs.table_lock);
-
- ice_for_each_vf(pf, bkt, vf) {
- err = ice_repr_add(vf);
- if (err)
- goto err;
- }
-
- /* only export if ADQ and DCB disabled */
- if (ice_is_adq_active(pf) || ice_is_dcb_active(pf))
- return 0;
-
- devlink = priv_to_devlink(pf);
- ice_devlink_rate_init_tx_topology(devlink, ice_get_main_vsi(pf));
-
- return 0;
-
-err:
- ice_repr_rem_from_all_vfs(pf);
+ if (!vsi->vf)
+ return NULL;
- return err;
+ return xa_load(&vsi->back->eswitch.reprs, vsi->vf->repr_id);
}
/**