diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_dcb_lib.c | 7 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_devlink.c | 91 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_devlink.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_main.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_repr.c | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_type.h | 1 |
6 files changed, 111 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c index add90e75f05c..9defb9d0fe88 100644 --- a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c @@ -3,6 +3,7 @@ #include "ice_dcb_lib.h" #include "ice_dcb_nl.h" +#include "ice_devlink.h" /** * ice_dcb_get_ena_tc - return bitmap of enabled TCs @@ -364,6 +365,12 @@ int ice_pf_dcb_cfg(struct ice_pf *pf, struct ice_dcbx_cfg *new_cfg, bool locked) /* Enable DCB tagging only when more than one TC */ if (ice_dcb_get_num_tc(new_cfg) > 1) { dev_dbg(dev, "DCB tagging enabled (num TC > 1)\n"); + if (pf->hw.port_info->is_custom_tx_enabled) { + dev_err(dev, "Custom Tx scheduler feature enabled, can't configure DCB\n"); + return -EBUSY; + } + ice_tear_down_devlink_rate_tree(pf); + set_bit(ICE_FLAG_DCB_ENA, pf->flags); } else { dev_dbg(dev, "DCB tagging disabled (num TC = 1)\n"); diff --git a/drivers/net/ethernet/intel/ice/ice_devlink.c b/drivers/net/ethernet/intel/ice/ice_devlink.c index 46f5b587b1c8..1d638216484d 100644 --- a/drivers/net/ethernet/intel/ice/ice_devlink.c +++ b/drivers/net/ethernet/intel/ice/ice_devlink.c @@ -8,6 +8,7 @@ #include "ice_devlink.h" #include "ice_eswitch.h" #include "ice_fw_update.h" +#include "ice_dcb_lib.h" static int ice_active_port_option = -1; @@ -714,6 +715,63 @@ ice_devlink_port_unsplit(struct devlink *devlink, struct devlink_port *port, } /** + * ice_tear_down_devlink_rate_tree - removes devlink-rate exported tree + * @pf: pf struct + * + * This function tears down tree exported during VF's creation. + */ +void ice_tear_down_devlink_rate_tree(struct ice_pf *pf) +{ + struct devlink *devlink; + struct ice_vf *vf; + unsigned int bkt; + + devlink = priv_to_devlink(pf); + + devl_lock(devlink); + mutex_lock(&pf->vfs.table_lock); + ice_for_each_vf(pf, bkt, vf) { + if (vf->devlink_port.devlink_rate) + devl_rate_leaf_destroy(&vf->devlink_port); + } + mutex_unlock(&pf->vfs.table_lock); + + devl_rate_nodes_destroy(devlink); + devl_unlock(devlink); +} + +/** + * ice_enable_custom_tx - try to enable custom Tx feature + * @pf: pf struct + * + * This function tries to enable custom Tx feature, + * it's not possible to enable it, if DCB or ADQ is active. + */ +static bool ice_enable_custom_tx(struct ice_pf *pf) +{ + struct ice_port_info *pi = ice_get_main_vsi(pf)->port_info; + struct device *dev = ice_pf_to_dev(pf); + + if (pi->is_custom_tx_enabled) + /* already enabled, return true */ + return true; + + if (ice_is_adq_active(pf)) { + dev_err(dev, "ADQ active, can't modify Tx scheduler tree\n"); + return false; + } + + if (ice_is_dcb_active(pf)) { + dev_err(dev, "DCB active, can't modify Tx scheduler tree\n"); + return false; + } + + pi->is_custom_tx_enabled = true; + + return true; +} + +/** * ice_traverse_tx_tree - traverse Tx scheduler tree * @devlink: devlink struct * @node: current node, used for recursion @@ -914,6 +972,9 @@ static int ice_devlink_rate_node_new(struct devlink_rate *rate_node, void **priv pi = ice_get_pi_from_dev_rate(rate_node); + if (!ice_enable_custom_tx(devlink_priv(rate_node->devlink))) + return -EBUSY; + /* preallocate memory for ice_sched_node */ node = devm_kzalloc(ice_hw_to_dev(pi->hw), sizeof(*node), GFP_KERNEL); *priv = node; @@ -934,6 +995,9 @@ static int ice_devlink_rate_node_del(struct devlink_rate *rate_node, void *priv, if (!rate_node->parent || !node || tc_node == node || !extack) return 0; + if (!ice_enable_custom_tx(devlink_priv(rate_node->devlink))) + return -EBUSY; + /* can't allow to delete a node with children */ if (node->num_children) return -EINVAL; @@ -950,6 +1014,9 @@ static int ice_devlink_rate_leaf_tx_max_set(struct devlink_rate *rate_leaf, void { struct ice_sched_node *node = priv; + if (!ice_enable_custom_tx(devlink_priv(rate_leaf->devlink))) + return -EBUSY; + if (!node) return 0; @@ -962,6 +1029,9 @@ static int ice_devlink_rate_leaf_tx_share_set(struct devlink_rate *rate_leaf, vo { struct ice_sched_node *node = priv; + if (!ice_enable_custom_tx(devlink_priv(rate_leaf->devlink))) + return -EBUSY; + if (!node) return 0; @@ -974,6 +1044,9 @@ static int ice_devlink_rate_leaf_tx_priority_set(struct devlink_rate *rate_leaf, { struct ice_sched_node *node = priv; + if (!ice_enable_custom_tx(devlink_priv(rate_leaf->devlink))) + return -EBUSY; + if (!node) return 0; @@ -986,6 +1059,9 @@ static int ice_devlink_rate_leaf_tx_weight_set(struct devlink_rate *rate_leaf, v { struct ice_sched_node *node = priv; + if (!ice_enable_custom_tx(devlink_priv(rate_leaf->devlink))) + return -EBUSY; + if (!node) return 0; @@ -998,6 +1074,9 @@ static int ice_devlink_rate_node_tx_max_set(struct devlink_rate *rate_node, void { struct ice_sched_node *node = priv; + if (!ice_enable_custom_tx(devlink_priv(rate_node->devlink))) + return -EBUSY; + if (!node) return 0; @@ -1010,6 +1089,9 @@ static int ice_devlink_rate_node_tx_share_set(struct devlink_rate *rate_node, vo { struct ice_sched_node *node = priv; + if (!ice_enable_custom_tx(devlink_priv(rate_node->devlink))) + return -EBUSY; + if (!node) return 0; @@ -1022,6 +1104,9 @@ static int ice_devlink_rate_node_tx_priority_set(struct devlink_rate *rate_node, { struct ice_sched_node *node = priv; + if (!ice_enable_custom_tx(devlink_priv(rate_node->devlink))) + return -EBUSY; + if (!node) return 0; @@ -1034,6 +1119,9 @@ static int ice_devlink_rate_node_tx_weight_set(struct devlink_rate *rate_node, v { struct ice_sched_node *node = priv; + if (!ice_enable_custom_tx(devlink_priv(rate_node->devlink))) + return -EBUSY; + if (!node) return 0; @@ -1059,6 +1147,9 @@ static int ice_devlink_set_parent(struct devlink_rate *devlink_rate, if (!extack) return 0; + if (!ice_enable_custom_tx(devlink_priv(devlink_rate->devlink))) + return -EBUSY; + if (!parent) { if (!node || tc_node == node || node->num_children) return -EINVAL; diff --git a/drivers/net/ethernet/intel/ice/ice_devlink.h b/drivers/net/ethernet/intel/ice/ice_devlink.h index 8bfed9ee2c4c..6ec96779f52e 100644 --- a/drivers/net/ethernet/intel/ice/ice_devlink.h +++ b/drivers/net/ethernet/intel/ice/ice_devlink.h @@ -19,5 +19,6 @@ void ice_devlink_init_regions(struct ice_pf *pf); void ice_devlink_destroy_regions(struct ice_pf *pf); int ice_devlink_rate_init_tx_topology(struct devlink *devlink, struct ice_vsi *vsi); +void ice_tear_down_devlink_rate_tree(struct ice_pf *pf); #endif /* _ICE_DEVLINK_H_ */ diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index a9fc89aebebe..d6f460ff1b72 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -8580,6 +8580,12 @@ static int ice_setup_tc_mqprio_qdisc(struct net_device *netdev, void *type_data) switch (mode) { case TC_MQPRIO_MODE_CHANNEL: + if (pf->hw.port_info->is_custom_tx_enabled) { + dev_err(dev, "Custom Tx scheduler feature enabled, can't configure ADQ\n"); + return -EBUSY; + } + ice_tear_down_devlink_rate_tree(pf); + ret = ice_validate_mqprio_qopt(vsi, mqprio_qopt); if (ret) { netdev_err(netdev, "failed to validate_mqprio_qopt(), ret %d\n", diff --git a/drivers/net/ethernet/intel/ice/ice_repr.c b/drivers/net/ethernet/intel/ice/ice_repr.c index 46f58d48318c..109761c8c858 100644 --- a/drivers/net/ethernet/intel/ice/ice_repr.c +++ b/drivers/net/ethernet/intel/ice/ice_repr.c @@ -6,6 +6,7 @@ #include "ice_devlink.h" #include "ice_sriov.h" #include "ice_tc_lib.h" +#include "ice_dcb_lib.h" /** * ice_repr_get_sw_port_id - get port ID associated with representor @@ -426,6 +427,10 @@ int ice_repr_add_for_all_vfs(struct ice_pf *pf) 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)); diff --git a/drivers/net/ethernet/intel/ice/ice_type.h b/drivers/net/ethernet/intel/ice/ice_type.h index daf86cf561bc..e3f622cad425 100644 --- a/drivers/net/ethernet/intel/ice/ice_type.h +++ b/drivers/net/ethernet/intel/ice/ice_type.h @@ -715,6 +715,7 @@ struct ice_port_info { struct ice_qos_cfg qos_cfg; struct xarray sched_node_ids; u8 is_vf:1; + u8 is_custom_tx_enabled:1; }; struct ice_switch_info { |