diff options
8 files changed, 140 insertions, 105 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/dcbnl.h b/drivers/net/ethernet/mellanox/mlx5/core/en/dcbnl.h index b59aee75de94..2c98a5299df3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/dcbnl.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/dcbnl.h @@ -26,7 +26,6 @@ struct mlx5e_dcbx { u8 cap; /* Buffer configuration */ - bool manual_buffer; u32 cable_len; u32 xoff; u16 port_buff_cell_sz; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c b/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c index 5ae787656a7c..3efa8bf1d14e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c @@ -272,8 +272,8 @@ static int port_update_shared_buffer(struct mlx5_core_dev *mdev, /* Total shared buffer size is split in a ratio of 3:1 between * lossy and lossless pools respectively. */ - lossy_epool_size = (shared_buffer_size / 4) * 3; lossless_ipool_size = shared_buffer_size / 4; + lossy_epool_size = shared_buffer_size - lossless_ipool_size; mlx5e_port_set_sbpr(mdev, 0, MLX5_EGRESS_DIR, MLX5_LOSSY_POOL, 0, lossy_epool_size); @@ -288,14 +288,12 @@ static int port_set_buffer(struct mlx5e_priv *priv, u16 port_buff_cell_sz = priv->dcbx.port_buff_cell_sz; struct mlx5_core_dev *mdev = priv->mdev; int sz = MLX5_ST_SZ_BYTES(pbmc_reg); - u32 new_headroom_size = 0; - u32 current_headroom_size; + u32 current_headroom_cells = 0; + u32 new_headroom_cells = 0; void *in; int err; int i; - current_headroom_size = port_buffer->headroom_size; - in = kzalloc(sz, GFP_KERNEL); if (!in) return -ENOMEM; @@ -306,12 +304,14 @@ static int port_set_buffer(struct mlx5e_priv *priv, for (i = 0; i < MLX5E_MAX_NETWORK_BUFFER; i++) { void *buffer = MLX5_ADDR_OF(pbmc_reg, in, buffer[i]); + current_headroom_cells += MLX5_GET(bufferx_reg, buffer, size); + u64 size = port_buffer->buffer[i].size; u64 xoff = port_buffer->buffer[i].xoff; u64 xon = port_buffer->buffer[i].xon; - new_headroom_size += size; do_div(size, port_buff_cell_sz); + new_headroom_cells += size; do_div(xoff, port_buff_cell_sz); do_div(xon, port_buff_cell_sz); MLX5_SET(bufferx_reg, buffer, size, size); @@ -320,10 +320,8 @@ static int port_set_buffer(struct mlx5e_priv *priv, MLX5_SET(bufferx_reg, buffer, xon_threshold, xon); } - new_headroom_size /= port_buff_cell_sz; - current_headroom_size /= port_buff_cell_sz; - err = port_update_shared_buffer(priv->mdev, current_headroom_size, - new_headroom_size); + err = port_update_shared_buffer(priv->mdev, current_headroom_cells, + new_headroom_cells); if (err) goto out; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c index 5fe016e477b3..d166c0d5189e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c @@ -362,6 +362,7 @@ static int mlx5e_dcbnl_ieee_getpfc(struct net_device *dev, static int mlx5e_dcbnl_ieee_setpfc(struct net_device *dev, struct ieee_pfc *pfc) { + u8 buffer_ownership = MLX5_BUF_OWNERSHIP_UNKNOWN; struct mlx5e_priv *priv = netdev_priv(dev); struct mlx5_core_dev *mdev = priv->mdev; u32 old_cable_len = priv->dcbx.cable_len; @@ -389,7 +390,14 @@ static int mlx5e_dcbnl_ieee_setpfc(struct net_device *dev, if (MLX5_BUFFER_SUPPORTED(mdev)) { pfc_new.pfc_en = (changed & MLX5E_PORT_BUFFER_PFC) ? pfc->pfc_en : curr_pfc_en; - if (priv->dcbx.manual_buffer) + ret = mlx5_query_port_buffer_ownership(mdev, + &buffer_ownership); + if (ret) + netdev_err(dev, + "%s, Failed to get buffer ownership: %d\n", + __func__, ret); + + if (buffer_ownership == MLX5_BUF_OWNERSHIP_SW_OWNED) ret = mlx5e_port_manual_buffer_config(priv, changed, dev->mtu, &pfc_new, NULL, NULL); @@ -982,7 +990,6 @@ static int mlx5e_dcbnl_setbuffer(struct net_device *dev, if (!changed) return 0; - priv->dcbx.manual_buffer = true; err = mlx5e_port_manual_buffer_config(priv, changed, dev->mtu, NULL, buffer_size, prio2buffer); return err; @@ -1252,7 +1259,6 @@ void mlx5e_dcbnl_initialize(struct mlx5e_priv *priv) priv->dcbx.cap |= DCB_CAP_DCBX_HOST; priv->dcbx.port_buff_cell_sz = mlx5e_query_port_buffers_cell_size(priv); - priv->dcbx.manual_buffer = false; priv->dcbx.cable_len = MLX5E_DEFAULT_CABLE_LEN; mlx5e_ets_init(priv); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c index b7102e14d23d..c33accadae0f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c @@ -47,10 +47,12 @@ static void mlx5_esw_offloads_pf_vf_devlink_port_attrs_set(struct mlx5_eswitch * devlink_port_attrs_pci_vf_set(dl_port, controller_num, pfnum, vport_num - 1, external); } else if (mlx5_core_is_ec_vf_vport(esw->dev, vport_num)) { + u16 base_vport = mlx5_core_ec_vf_vport_base(dev); + memcpy(dl_port->attrs.switch_id.id, ppid.id, ppid.id_len); dl_port->attrs.switch_id.id_len = ppid.id_len; devlink_port_attrs_pci_vf_set(dl_port, 0, pfnum, - vport_num - 1, false); + vport_num - base_vport, false); } } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c index 91d863c8c152..8b4977650183 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c @@ -102,6 +102,8 @@ struct mlx5_esw_sched_node { u8 level; /* Valid only when this node represents a traffic class. */ u8 tc; + /* Valid only for a TC arbiter node or vport TC arbiter. */ + u32 tc_bw[DEVLINK_RATE_TCS_MAX]; }; static void esw_qos_node_attach_to_parent(struct mlx5_esw_sched_node *node) @@ -462,6 +464,7 @@ static int esw_qos_vport_create_sched_element(struct mlx5_esw_sched_node *vport_node, struct netlink_ext_ack *extack) { + struct mlx5_esw_sched_node *parent = vport_node->parent; u32 sched_ctx[MLX5_ST_SZ_DW(scheduling_context)] = {}; struct mlx5_core_dev *dev = vport_node->esw->dev; void *attr; @@ -477,7 +480,7 @@ esw_qos_vport_create_sched_element(struct mlx5_esw_sched_node *vport_node, attr = MLX5_ADDR_OF(scheduling_context, sched_ctx, element_attributes); MLX5_SET(vport_element, attr, vport_number, vport_node->vport->vport); MLX5_SET(scheduling_context, sched_ctx, parent_element_id, - vport_node->parent->ix); + parent ? parent->ix : vport_node->esw->qos.root_tsar_ix); MLX5_SET(scheduling_context, sched_ctx, max_average_bw, vport_node->max_rate); @@ -608,10 +611,7 @@ static void esw_qos_tc_arbiter_get_bw_shares(struct mlx5_esw_sched_node *tc_arbiter_node, u32 *tc_bw) { - struct mlx5_esw_sched_node *vports_tc_node; - - list_for_each_entry(vports_tc_node, &tc_arbiter_node->children, entry) - tc_bw[vports_tc_node->tc] = vports_tc_node->bw_share; + memcpy(tc_bw, tc_arbiter_node->tc_bw, sizeof(tc_arbiter_node->tc_bw)); } static void @@ -628,6 +628,7 @@ esw_qos_set_tc_arbiter_bw_shares(struct mlx5_esw_sched_node *tc_arbiter_node, u8 tc = vports_tc_node->tc; u32 bw_share; + tc_arbiter_node->tc_bw[tc] = tc_bw[tc]; bw_share = tc_bw[tc] * fw_max_bw_share; bw_share = esw_qos_calc_bw_share(bw_share, divider, fw_max_bw_share); @@ -786,48 +787,15 @@ static int esw_qos_create(struct mlx5_eswitch *esw, struct netlink_ext_ack *exta return err; } - if (MLX5_CAP_QOS(dev, log_esw_max_sched_depth)) { - esw->qos.node0 = __esw_qos_create_vports_sched_node(esw, NULL, extack); - } else { - /* The eswitch doesn't support scheduling nodes. - * Create a software-only node0 using the root TSAR to attach vport QoS to. - */ - if (!__esw_qos_alloc_node(esw, - esw->qos.root_tsar_ix, - SCHED_NODE_TYPE_VPORTS_TSAR, - NULL)) - esw->qos.node0 = ERR_PTR(-ENOMEM); - else - list_add_tail(&esw->qos.node0->entry, - &esw->qos.domain->nodes); - } - if (IS_ERR(esw->qos.node0)) { - err = PTR_ERR(esw->qos.node0); - esw_warn(dev, "E-Switch create rate node 0 failed (%d)\n", err); - goto err_node0; - } refcount_set(&esw->qos.refcnt, 1); return 0; - -err_node0: - if (mlx5_destroy_scheduling_element_cmd(esw->dev, SCHEDULING_HIERARCHY_E_SWITCH, - esw->qos.root_tsar_ix)) - esw_warn(esw->dev, "E-Switch destroy root TSAR failed.\n"); - - return err; } static void esw_qos_destroy(struct mlx5_eswitch *esw) { int err; - if (esw->qos.node0->ix != esw->qos.root_tsar_ix) - __esw_qos_destroy_node(esw->qos.node0, NULL); - else - __esw_qos_free_node(esw->qos.node0); - esw->qos.node0 = NULL; - err = mlx5_destroy_scheduling_element_cmd(esw->dev, SCHEDULING_HIERARCHY_E_SWITCH, esw->qos.root_tsar_ix); @@ -990,13 +958,16 @@ esw_qos_vport_tc_enable(struct mlx5_vport *vport, enum sched_node_type type, struct netlink_ext_ack *extack) { struct mlx5_esw_sched_node *vport_node = vport->qos.sched_node; - int err, new_level, max_level; + struct mlx5_esw_sched_node *parent = vport_node->parent; + int err; if (type == SCHED_NODE_TYPE_TC_ARBITER_TSAR) { + int new_level, max_level; + /* Increase the parent's level by 2 to account for both the * TC arbiter and the vports TC scheduling element. */ - new_level = vport_node->parent->level + 2; + new_level = (parent ? parent->level : 2) + 2; max_level = 1 << MLX5_CAP_QOS(vport_node->esw->dev, log_esw_max_sched_depth); if (new_level > max_level) { @@ -1033,9 +1004,7 @@ esw_qos_vport_tc_enable(struct mlx5_vport *vport, enum sched_node_type type, err_sched_nodes: if (type == SCHED_NODE_TYPE_RATE_LIMITER) { esw_qos_node_destroy_sched_element(vport_node, NULL); - list_add_tail(&vport_node->entry, - &vport_node->parent->children); - vport_node->level = vport_node->parent->level + 1; + esw_qos_node_attach_to_parent(vport_node); } else { esw_qos_tc_arbiter_scheduling_teardown(vport_node, NULL); } @@ -1083,7 +1052,6 @@ err_out: static void esw_qos_vport_disable(struct mlx5_vport *vport, struct netlink_ext_ack *extack) { struct mlx5_esw_sched_node *vport_node = vport->qos.sched_node; - struct mlx5_esw_sched_node *parent = vport_node->parent; enum sched_node_type curr_type = vport_node->type; if (curr_type == SCHED_NODE_TYPE_VPORT) @@ -1092,8 +1060,9 @@ static void esw_qos_vport_disable(struct mlx5_vport *vport, struct netlink_ext_a esw_qos_vport_tc_disable(vport, extack); vport_node->bw_share = 0; + memset(vport_node->tc_bw, 0, sizeof(vport_node->tc_bw)); list_del_init(&vport_node->entry); - esw_qos_normalize_min_rate(parent->esw, parent, extack); + esw_qos_normalize_min_rate(vport_node->esw, vport_node->parent, extack); trace_mlx5_esw_vport_qos_destroy(vport_node->esw->dev, vport); } @@ -1103,25 +1072,23 @@ static int esw_qos_vport_enable(struct mlx5_vport *vport, struct mlx5_esw_sched_node *parent, struct netlink_ext_ack *extack) { + struct mlx5_esw_sched_node *vport_node = vport->qos.sched_node; int err; esw_assert_qos_lock_held(vport->dev->priv.eswitch); - esw_qos_node_set_parent(vport->qos.sched_node, parent); - if (type == SCHED_NODE_TYPE_VPORT) { - err = esw_qos_vport_create_sched_element(vport->qos.sched_node, - extack); - } else { + esw_qos_node_set_parent(vport_node, parent); + if (type == SCHED_NODE_TYPE_VPORT) + err = esw_qos_vport_create_sched_element(vport_node, extack); + else err = esw_qos_vport_tc_enable(vport, type, extack); - } if (err) return err; - vport->qos.sched_node->type = type; - esw_qos_normalize_min_rate(parent->esw, parent, extack); - trace_mlx5_esw_vport_qos_create(vport->dev, vport, - vport->qos.sched_node->max_rate, - vport->qos.sched_node->bw_share); + vport_node->type = type; + esw_qos_normalize_min_rate(vport_node->esw, parent, extack); + trace_mlx5_esw_vport_qos_create(vport->dev, vport, vport_node->max_rate, + vport_node->bw_share); return 0; } @@ -1132,6 +1099,7 @@ static int mlx5_esw_qos_vport_enable(struct mlx5_vport *vport, enum sched_node_t { struct mlx5_eswitch *esw = vport->dev->priv.eswitch; struct mlx5_esw_sched_node *sched_node; + struct mlx5_eswitch *parent_esw; int err; esw_assert_qos_lock_held(esw); @@ -1139,10 +1107,14 @@ static int mlx5_esw_qos_vport_enable(struct mlx5_vport *vport, enum sched_node_t if (err) return err; - parent = parent ?: esw->qos.node0; - sched_node = __esw_qos_alloc_node(parent->esw, 0, type, parent); - if (!sched_node) + parent_esw = parent ? parent->esw : esw; + sched_node = __esw_qos_alloc_node(parent_esw, 0, type, parent); + if (!sched_node) { + esw_qos_put(esw); return -ENOMEM; + } + if (!parent) + list_add_tail(&sched_node->entry, &esw->qos.domain->nodes); sched_node->max_rate = max_rate; sched_node->min_rate = min_rate; @@ -1150,6 +1122,7 @@ static int mlx5_esw_qos_vport_enable(struct mlx5_vport *vport, enum sched_node_t vport->qos.sched_node = sched_node; err = esw_qos_vport_enable(vport, type, parent, extack); if (err) { + __esw_qos_free_node(sched_node); esw_qos_put(esw); vport->qos.sched_node = NULL; } @@ -1157,6 +1130,19 @@ static int mlx5_esw_qos_vport_enable(struct mlx5_vport *vport, enum sched_node_t return err; } +static void mlx5_esw_qos_vport_disable_locked(struct mlx5_vport *vport) +{ + struct mlx5_eswitch *esw = vport->dev->priv.eswitch; + + esw_assert_qos_lock_held(esw); + if (!vport->qos.sched_node) + return; + + esw_qos_vport_disable(vport, NULL); + mlx5_esw_qos_vport_qos_free(vport); + esw_qos_put(esw); +} + void mlx5_esw_qos_vport_disable(struct mlx5_vport *vport) { struct mlx5_eswitch *esw = vport->dev->priv.eswitch; @@ -1168,11 +1154,9 @@ void mlx5_esw_qos_vport_disable(struct mlx5_vport *vport) goto unlock; parent = vport->qos.sched_node->parent; - WARN(parent != esw->qos.node0, "Disabling QoS on port before detaching it from node"); + WARN(parent, "Disabling QoS on port before detaching it from node"); - esw_qos_vport_disable(vport, NULL); - mlx5_esw_qos_vport_qos_free(vport); - esw_qos_put(esw); + mlx5_esw_qos_vport_disable_locked(vport); unlock: esw_qos_unlock(esw); } @@ -1262,13 +1246,13 @@ static int esw_qos_vport_update(struct mlx5_vport *vport, struct mlx5_esw_sched_node *parent, struct netlink_ext_ack *extack) { - struct mlx5_esw_sched_node *curr_parent = vport->qos.sched_node->parent; - enum sched_node_type curr_type = vport->qos.sched_node->type; + struct mlx5_esw_sched_node *vport_node = vport->qos.sched_node; + struct mlx5_esw_sched_node *curr_parent = vport_node->parent; + enum sched_node_type curr_type = vport_node->type; u32 curr_tc_bw[DEVLINK_RATE_TCS_MAX] = {0}; int err; esw_assert_qos_lock_held(vport->dev->priv.eswitch); - parent = parent ?: curr_parent; if (curr_type == type && curr_parent == parent) return 0; @@ -1276,10 +1260,8 @@ static int esw_qos_vport_update(struct mlx5_vport *vport, if (err) return err; - if (curr_type == SCHED_NODE_TYPE_TC_ARBITER_TSAR && curr_type == type) { - esw_qos_tc_arbiter_get_bw_shares(vport->qos.sched_node, - curr_tc_bw); - } + if (curr_type == SCHED_NODE_TYPE_TC_ARBITER_TSAR && curr_type == type) + esw_qos_tc_arbiter_get_bw_shares(vport_node, curr_tc_bw); esw_qos_vport_disable(vport, extack); @@ -1290,8 +1272,8 @@ static int esw_qos_vport_update(struct mlx5_vport *vport, } if (curr_type == SCHED_NODE_TYPE_TC_ARBITER_TSAR && curr_type == type) { - esw_qos_set_tc_arbiter_bw_shares(vport->qos.sched_node, - curr_tc_bw, extack); + esw_qos_set_tc_arbiter_bw_shares(vport_node, curr_tc_bw, + extack); } return err; @@ -1306,16 +1288,16 @@ static int esw_qos_vport_update_parent(struct mlx5_vport *vport, struct mlx5_esw esw_assert_qos_lock_held(esw); curr_parent = vport->qos.sched_node->parent; - parent = parent ?: esw->qos.node0; if (curr_parent == parent) return 0; /* Set vport QoS type based on parent node type if different from * default QoS; otherwise, use the vport's current QoS type. */ - if (parent->type == SCHED_NODE_TYPE_TC_ARBITER_TSAR) + if (parent && parent->type == SCHED_NODE_TYPE_TC_ARBITER_TSAR) type = SCHED_NODE_TYPE_RATE_LIMITER; - else if (curr_parent->type == SCHED_NODE_TYPE_TC_ARBITER_TSAR) + else if (curr_parent && + curr_parent->type == SCHED_NODE_TYPE_TC_ARBITER_TSAR) type = SCHED_NODE_TYPE_VPORT; else type = vport->qos.sched_node->type; @@ -1654,9 +1636,10 @@ static bool esw_qos_validate_unsupported_tc_bw(struct mlx5_eswitch *esw, static bool esw_qos_vport_validate_unsupported_tc_bw(struct mlx5_vport *vport, u32 *tc_bw) { - struct mlx5_eswitch *esw = vport->qos.sched_node ? - vport->qos.sched_node->parent->esw : - vport->dev->priv.eswitch; + struct mlx5_esw_sched_node *node = vport->qos.sched_node; + struct mlx5_eswitch *esw = vport->dev->priv.eswitch; + + esw = (node && node->parent) ? node->parent->esw : esw; return esw_qos_validate_unsupported_tc_bw(esw, tc_bw); } @@ -1673,6 +1656,21 @@ static bool esw_qos_tc_bw_disabled(u32 *tc_bw) return true; } +static void esw_vport_qos_prune_empty(struct mlx5_vport *vport) +{ + struct mlx5_esw_sched_node *vport_node = vport->qos.sched_node; + + esw_assert_qos_lock_held(vport->dev->priv.eswitch); + if (!vport_node) + return; + + if (vport_node->parent || vport_node->max_rate || + vport_node->min_rate || !esw_qos_tc_bw_disabled(vport_node->tc_bw)) + return; + + mlx5_esw_qos_vport_disable_locked(vport); +} + int mlx5_esw_qos_init(struct mlx5_eswitch *esw) { if (esw->qos.domain) @@ -1706,6 +1704,10 @@ int mlx5_esw_devlink_rate_leaf_tx_share_set(struct devlink_rate *rate_leaf, void esw_qos_lock(esw); err = mlx5_esw_qos_set_vport_min_rate(vport, tx_share, extack); + if (err) + goto out; + esw_vport_qos_prune_empty(vport); +out: esw_qos_unlock(esw); return err; } @@ -1727,6 +1729,10 @@ int mlx5_esw_devlink_rate_leaf_tx_max_set(struct devlink_rate *rate_leaf, void * esw_qos_lock(esw); err = mlx5_esw_qos_set_vport_max_rate(vport, tx_max, extack); + if (err) + goto out; + esw_vport_qos_prune_empty(vport); +out: esw_qos_unlock(esw); return err; } @@ -1763,7 +1769,8 @@ int mlx5_esw_devlink_rate_leaf_tc_bw_set(struct devlink_rate *rate_leaf, if (disable) { if (vport_node->type == SCHED_NODE_TYPE_TC_ARBITER_TSAR) err = esw_qos_vport_update(vport, SCHED_NODE_TYPE_VPORT, - NULL, extack); + vport_node->parent, extack); + esw_vport_qos_prune_empty(vport); goto unlock; } @@ -1775,7 +1782,7 @@ int mlx5_esw_devlink_rate_leaf_tc_bw_set(struct devlink_rate *rate_leaf, } else { err = esw_qos_vport_update(vport, SCHED_NODE_TYPE_TC_ARBITER_TSAR, - NULL, extack); + vport_node->parent, extack); } if (!err) esw_qos_set_tc_arbiter_bw_shares(vport_node, tc_bw, extack); @@ -1924,14 +1931,20 @@ int mlx5_esw_devlink_rate_leaf_parent_set(struct devlink_rate *devlink_rate, void *priv, void *parent_priv, struct netlink_ext_ack *extack) { - struct mlx5_esw_sched_node *node; + struct mlx5_esw_sched_node *node = parent ? parent_priv : NULL; struct mlx5_vport *vport = priv; + int err; - if (!parent) - return mlx5_esw_qos_vport_update_parent(vport, NULL, extack); + err = mlx5_esw_qos_vport_update_parent(vport, node, extack); + if (!err) { + struct mlx5_eswitch *esw = vport->dev->priv.eswitch; + + esw_qos_lock(esw); + esw_vport_qos_prune_empty(vport); + esw_qos_unlock(esw); + } - node = parent_priv; - return mlx5_esw_qos_vport_update_parent(vport, node, extack); + return err; } static bool esw_qos_is_node_empty(struct mlx5_esw_sched_node *node) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h index b0b8ef3ec3c4..45506ad56847 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h @@ -373,11 +373,6 @@ struct mlx5_eswitch { refcount_t refcnt; u32 root_tsar_ix; struct mlx5_qos_domain *domain; - /* Contains all vports with QoS enabled but no explicit node. - * Cannot be NULL if QoS is enabled, but may be a fake node - * referencing the root TSAR if the esw doesn't support nodes. - */ - struct mlx5_esw_sched_node *node0; } qos; struct mlx5_esw_bridge_offloads *br_offloads; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h index b6d53db27cd5..9d3504f5abfa 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h @@ -367,6 +367,8 @@ int mlx5_query_port_dcbx_param(struct mlx5_core_dev *mdev, u32 *out); int mlx5_set_port_dcbx_param(struct mlx5_core_dev *mdev, u32 *in); int mlx5_set_trust_state(struct mlx5_core_dev *mdev, u8 trust_state); int mlx5_query_trust_state(struct mlx5_core_dev *mdev, u8 *trust_state); +int mlx5_query_port_buffer_ownership(struct mlx5_core_dev *mdev, + u8 *buffer_ownership); int mlx5_set_dscp2prio(struct mlx5_core_dev *mdev, u8 dscp, u8 prio); int mlx5_query_dscp2prio(struct mlx5_core_dev *mdev, u8 *dscp2prio); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c index 549f1066d2a5..2d7adf7444ba 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/port.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c @@ -968,6 +968,26 @@ int mlx5_query_trust_state(struct mlx5_core_dev *mdev, u8 *trust_state) return err; } +int mlx5_query_port_buffer_ownership(struct mlx5_core_dev *mdev, + u8 *buffer_ownership) +{ + u32 out[MLX5_ST_SZ_DW(pfcc_reg)] = {}; + int err; + + if (!MLX5_CAP_PCAM_FEATURE(mdev, buffer_ownership)) { + *buffer_ownership = MLX5_BUF_OWNERSHIP_UNKNOWN; + return 0; + } + + err = mlx5_query_pfcc_reg(mdev, out, sizeof(out)); + if (err) + return err; + + *buffer_ownership = MLX5_GET(pfcc_reg, out, buf_ownership); + + return 0; +} + int mlx5_set_dscp2prio(struct mlx5_core_dev *mdev, u8 dscp, u8 prio) { int sz = MLX5_ST_SZ_BYTES(qpdpm_reg); |