diff --git a/Documentation/networking/devmem.rst b/Documentation/networking/devmem.rst index a55bf21f671c..d95363645331 100644 --- a/Documentation/networking/devmem.rst +++ b/Documentation/networking/devmem.rst @@ -225,6 +225,15 @@ The user must ensure the tokens are returned to the kernel in a timely manner. Failure to do so will exhaust the limited dmabuf that is bound to the RX queue and will lead to packet drops. +The user must pass no more than 128 tokens, with no more than 1024 total frags +among the token->token_count across all the tokens. If the user provides more +than 1024 frags, the kernel will free up to 1024 frags and return early. + +The kernel returns the number of actual frags freed. The number of frags freed +can be less than the tokens provided by the user in case of: + +(a) an internal kernel leak bug. +(b) the user passed more than 1024 frags. Implementation & Caveats ======================== diff --git a/MAINTAINERS b/MAINTAINERS index 21fdaa19229a..b878ddc99f94 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -19579,6 +19579,17 @@ S: Supported F: Documentation/devicetree/bindings/i2c/renesas,iic-emev2.yaml F: drivers/i2c/busses/i2c-emev2.c +RENESAS ETHERNET AVB DRIVER +M: Paul Barker +M: Niklas Söderlund +L: netdev@vger.kernel.org +L: linux-renesas-soc@vger.kernel.org +S: Supported +F: Documentation/devicetree/bindings/net/renesas,etheravb.yaml +F: drivers/net/ethernet/renesas/Kconfig +F: drivers/net/ethernet/renesas/Makefile +F: drivers/net/ethernet/renesas/ravb* + RENESAS ETHERNET SWITCH DRIVER R: Yoshihiro Shimoda L: netdev@vger.kernel.org @@ -19628,6 +19639,14 @@ F: Documentation/devicetree/bindings/i2c/renesas,rmobile-iic.yaml F: drivers/i2c/busses/i2c-rcar.c F: drivers/i2c/busses/i2c-sh_mobile.c +RENESAS R-CAR SATA DRIVER +M: Geert Uytterhoeven +L: linux-ide@vger.kernel.org +L: linux-renesas-soc@vger.kernel.org +S: Supported +F: Documentation/devicetree/bindings/ata/renesas,rcar-sata.yaml +F: drivers/ata/sata_rcar.c + RENESAS R-CAR THERMAL DRIVERS M: Niklas Söderlund L: linux-renesas-soc@vger.kernel.org @@ -19703,6 +19722,17 @@ S: Supported F: Documentation/devicetree/bindings/i2c/renesas,rzv2m.yaml F: drivers/i2c/busses/i2c-rzv2m.c +RENESAS SUPERH ETHERNET DRIVER +M: Niklas Söderlund +L: netdev@vger.kernel.org +L: linux-renesas-soc@vger.kernel.org +S: Supported +F: Documentation/devicetree/bindings/net/renesas,ether.yaml +F: drivers/net/ethernet/renesas/Kconfig +F: drivers/net/ethernet/renesas/Makefile +F: drivers/net/ethernet/renesas/sh_eth* +F: include/linux/sh_eth.h + RENESAS USB PHY DRIVER M: Yoshihiro Shimoda L: linux-renesas-soc@vger.kernel.org diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c index 438b92967bc3..30a32ebbcc68 100644 --- a/drivers/bluetooth/btintel.c +++ b/drivers/bluetooth/btintel.c @@ -3288,13 +3288,12 @@ static int btintel_diagnostics(struct hci_dev *hdev, struct sk_buff *skb) case INTEL_TLV_TEST_EXCEPTION: /* Generate devcoredump from exception */ if (!hci_devcd_init(hdev, skb->len)) { - hci_devcd_append(hdev, skb); + hci_devcd_append(hdev, skb_clone(skb, GFP_ATOMIC)); hci_devcd_complete(hdev); } else { bt_dev_err(hdev, "Failed to generate devcoredump"); - kfree_skb(skb); } - return 0; + break; default: bt_dev_err(hdev, "Invalid exception type %02X", tlv->val[0]); } diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index b1bffd8e9a95..15e0f14d0d49 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1008,6 +1008,8 @@ static void bond_hw_addr_swap(struct bonding *bond, struct slave *new_active, if (bond->dev->flags & IFF_UP) bond_hw_addr_flush(bond->dev, old_active->dev); + + bond_slave_ns_maddrs_add(bond, old_active); } if (new_active) { @@ -1024,6 +1026,8 @@ static void bond_hw_addr_swap(struct bonding *bond, struct slave *new_active, dev_mc_sync(new_active->dev, bond->dev); netif_addr_unlock_bh(bond->dev); } + + bond_slave_ns_maddrs_del(bond, new_active); } } @@ -2341,6 +2345,11 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev, bond_compute_features(bond); bond_set_carrier(bond); + /* Needs to be called before bond_select_active_slave(), which will + * remove the maddrs if the slave is selected as active slave. + */ + bond_slave_ns_maddrs_add(bond, new_slave); + if (bond_uses_primary(bond)) { block_netpoll_tx(); bond_select_active_slave(bond); @@ -2350,7 +2359,6 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev, if (bond_mode_can_use_xmit_hash(bond)) bond_update_slave_arr(bond, NULL); - if (!slave_dev->netdev_ops->ndo_bpf || !slave_dev->netdev_ops->ndo_xdp_xmit) { if (bond->xdp_prog) { @@ -2548,6 +2556,12 @@ static int __bond_release_one(struct net_device *bond_dev, if (oldcurrent == slave) bond_change_active_slave(bond, NULL); + /* Must be called after bond_change_active_slave () as the slave + * might change from an active slave to a backup slave. Then it is + * necessary to clear the maddrs on the backup slave. + */ + bond_slave_ns_maddrs_del(bond, slave); + if (bond_is_lb(bond)) { /* Must be called only after the slave has been * detached from the list and the curr_active_slave diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c index 95d59a18c022..327b6ecdc77e 100644 --- a/drivers/net/bonding/bond_options.c +++ b/drivers/net/bonding/bond_options.c @@ -15,6 +15,7 @@ #include #include +#include static int bond_option_active_slave_set(struct bonding *bond, const struct bond_opt_value *newval); @@ -1234,6 +1235,68 @@ static int bond_option_arp_ip_targets_set(struct bonding *bond, } #if IS_ENABLED(CONFIG_IPV6) +static bool slave_can_set_ns_maddr(const struct bonding *bond, struct slave *slave) +{ + return BOND_MODE(bond) == BOND_MODE_ACTIVEBACKUP && + !bond_is_active_slave(slave) && + slave->dev->flags & IFF_MULTICAST; +} + +static void slave_set_ns_maddrs(struct bonding *bond, struct slave *slave, bool add) +{ + struct in6_addr *targets = bond->params.ns_targets; + char slot_maddr[MAX_ADDR_LEN]; + int i; + + if (!slave_can_set_ns_maddr(bond, slave)) + return; + + for (i = 0; i < BOND_MAX_NS_TARGETS; i++) { + if (ipv6_addr_any(&targets[i])) + break; + + if (!ndisc_mc_map(&targets[i], slot_maddr, slave->dev, 0)) { + if (add) + dev_mc_add(slave->dev, slot_maddr); + else + dev_mc_del(slave->dev, slot_maddr); + } + } +} + +void bond_slave_ns_maddrs_add(struct bonding *bond, struct slave *slave) +{ + if (!bond->params.arp_validate) + return; + slave_set_ns_maddrs(bond, slave, true); +} + +void bond_slave_ns_maddrs_del(struct bonding *bond, struct slave *slave) +{ + if (!bond->params.arp_validate) + return; + slave_set_ns_maddrs(bond, slave, false); +} + +static void slave_set_ns_maddr(struct bonding *bond, struct slave *slave, + struct in6_addr *target, struct in6_addr *slot) +{ + char target_maddr[MAX_ADDR_LEN], slot_maddr[MAX_ADDR_LEN]; + + if (!bond->params.arp_validate || !slave_can_set_ns_maddr(bond, slave)) + return; + + /* remove the previous maddr from slave */ + if (!ipv6_addr_any(slot) && + !ndisc_mc_map(slot, slot_maddr, slave->dev, 0)) + dev_mc_del(slave->dev, slot_maddr); + + /* add new maddr on slave if target is set */ + if (!ipv6_addr_any(target) && + !ndisc_mc_map(target, target_maddr, slave->dev, 0)) + dev_mc_add(slave->dev, target_maddr); +} + static void _bond_options_ns_ip6_target_set(struct bonding *bond, int slot, struct in6_addr *target, unsigned long last_rx) @@ -1243,8 +1306,10 @@ static void _bond_options_ns_ip6_target_set(struct bonding *bond, int slot, struct slave *slave; if (slot >= 0 && slot < BOND_MAX_NS_TARGETS) { - bond_for_each_slave(bond, slave, iter) + bond_for_each_slave(bond, slave, iter) { slave->target_last_arp_rx[slot] = last_rx; + slave_set_ns_maddr(bond, slave, target, &targets[slot]); + } targets[slot] = *target; } } @@ -1296,15 +1361,30 @@ static int bond_option_ns_ip6_targets_set(struct bonding *bond, { return -EPERM; } + +static void slave_set_ns_maddrs(struct bonding *bond, struct slave *slave, bool add) {} + +void bond_slave_ns_maddrs_add(struct bonding *bond, struct slave *slave) {} + +void bond_slave_ns_maddrs_del(struct bonding *bond, struct slave *slave) {} #endif static int bond_option_arp_validate_set(struct bonding *bond, const struct bond_opt_value *newval) { + bool changed = !!bond->params.arp_validate != !!newval->value; + struct list_head *iter; + struct slave *slave; + netdev_dbg(bond->dev, "Setting arp_validate to %s (%llu)\n", newval->string, newval->value); bond->params.arp_validate = newval->value; + if (changed) { + bond_for_each_slave(bond, slave, iter) + slave_set_ns_maddrs(bond, slave, !!bond->params.arp_validate); + } + return 0; } diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index b83df5f94b1f..f1d088168723 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -907,7 +907,7 @@ static int igb_request_msix(struct igb_adapter *adapter) int i, err = 0, vector = 0, free_vector = 0; err = request_irq(adapter->msix_entries[vector].vector, - igb_msix_other, IRQF_NO_THREAD, netdev->name, adapter); + igb_msix_other, 0, netdev->name, adapter); if (err) goto err_out; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c index dcfccaaa8d91..92d5cfec3dc0 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c @@ -866,7 +866,7 @@ mlx5_tc_ct_entry_add_rule(struct mlx5_tc_ct_priv *ct_priv, return 0; err_rule: - mlx5_tc_ct_entry_destroy_mod_hdr(ct_priv, zone_rule->attr, zone_rule->mh); + mlx5_tc_ct_entry_destroy_mod_hdr(ct_priv, attr, zone_rule->mh); mlx5_put_label_mapping(ct_priv, attr->ct_attr.ct_labels_id); err_mod_hdr: kfree(attr); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c index d61be26a4df1..3db31cc10719 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c @@ -660,7 +660,7 @@ tx_sync_info_get(struct mlx5e_ktls_offload_context_tx *priv_tx, while (remaining > 0) { skb_frag_t *frag = &record->frags[i]; - get_page(skb_frag_page(frag)); + page_ref_inc(skb_frag_page(frag)); remaining -= skb_frag_size(frag); info->frags[i++] = *frag; } @@ -763,7 +763,7 @@ void mlx5e_ktls_tx_handle_resync_dump_comp(struct mlx5e_txqsq *sq, stats = sq->stats; mlx5e_tx_dma_unmap(sq->pdev, dma); - put_page(wi->resync_dump_frag_page); + page_ref_dec(wi->resync_dump_frag_page); stats->tls_dump_packets++; stats->tls_dump_bytes += wi->num_bytes; } @@ -816,12 +816,12 @@ mlx5e_ktls_tx_handle_ooo(struct mlx5e_ktls_offload_context_tx *priv_tx, err_out: for (; i < info.nr_frags; i++) - /* The put_page() here undoes the page ref obtained in tx_sync_info_get(). + /* The page_ref_dec() here undoes the page ref obtained in tx_sync_info_get(). * Page refs obtained for the DUMP WQEs above (by page_ref_add) will be * released only upon their completions (or in mlx5e_free_txqsq_descs, * if channel closes). */ - put_page(skb_frag_page(&info.frags[i])); + page_ref_dec(skb_frag_page(&info.frags[i])); return MLX5E_KTLS_SYNC_FAIL; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index e601324a690a..13a3fa8dc0cb 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -4267,7 +4267,8 @@ void mlx5e_set_xdp_feature(struct net_device *netdev) struct mlx5e_params *params = &priv->channels.params; xdp_features_t val; - if (params->packet_merge.type != MLX5E_PACKET_MERGE_NONE) { + if (!netdev->netdev_ops->ndo_bpf || + params->packet_merge.type != MLX5E_PACKET_MERGE_NONE) { xdp_clear_features_flag(netdev); return; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c b/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c index 5bf8318cc48b..1d60465cc2ca 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c @@ -36,6 +36,7 @@ #include "en.h" #include "en/port.h" #include "eswitch.h" +#include "lib/mlx5.h" static int mlx5e_test_health_info(struct mlx5e_priv *priv) { @@ -247,6 +248,9 @@ static int mlx5e_cond_loopback(struct mlx5e_priv *priv) if (is_mdev_switchdev_mode(priv->mdev)) return -EOPNOTSUPP; + if (mlx5_get_sd(priv->mdev)) + return -EOPNOTSUPP; + return 0; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index f24f91d213f2..8cf61ae8b89d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -2527,8 +2527,11 @@ static void __esw_offloads_unload_rep(struct mlx5_eswitch *esw, struct mlx5_eswitch_rep *rep, u8 rep_type) { if (atomic_cmpxchg(&rep->rep_data[rep_type].state, - REP_LOADED, REP_REGISTERED) == REP_LOADED) + REP_LOADED, REP_REGISTERED) == REP_LOADED) { + if (rep_type == REP_ETH) + __esw_offloads_unload_rep(esw, rep, REP_IB); esw->offloads.rep_ops[rep_type]->unload(rep); + } } static void __unload_reps_all_vport(struct mlx5_eswitch *esw, u8 rep_type) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index 8505d5e241e1..6e4f8aaf8d2f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -2105,13 +2105,22 @@ lookup_fte_locked(struct mlx5_flow_group *g, fte_tmp = NULL; goto out; } - if (!fte_tmp->node.active) { - tree_put_node(&fte_tmp->node, false); - fte_tmp = NULL; - goto out; - } nested_down_write_ref_node(&fte_tmp->node, FS_LOCK_CHILD); + + if (!fte_tmp->node.active) { + up_write_ref_node(&fte_tmp->node, false); + + if (take_write) + up_write_ref_node(&g->node, false); + else + up_read_ref_node(&g->node); + + tree_put_node(&fte_tmp->node, false); + + return NULL; + } + out: if (take_write) up_write_ref_node(&g->node, false); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c index 81a9232a03e1..7db9cab9bedf 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c @@ -593,9 +593,11 @@ static void irq_pool_free(struct mlx5_irq_pool *pool) kvfree(pool); } -static int irq_pools_init(struct mlx5_core_dev *dev, int sf_vec, int pcif_vec) +static int irq_pools_init(struct mlx5_core_dev *dev, int sf_vec, int pcif_vec, + bool dynamic_vec) { struct mlx5_irq_table *table = dev->priv.irq_table; + int sf_vec_available = sf_vec; int num_sf_ctrl; int err; @@ -616,6 +618,13 @@ static int irq_pools_init(struct mlx5_core_dev *dev, int sf_vec, int pcif_vec) num_sf_ctrl = DIV_ROUND_UP(mlx5_sf_max_functions(dev), MLX5_SFS_PER_CTRL_IRQ); num_sf_ctrl = min_t(int, MLX5_IRQ_CTRL_SF_MAX, num_sf_ctrl); + if (!dynamic_vec && (num_sf_ctrl + 1) > sf_vec_available) { + mlx5_core_dbg(dev, + "Not enough IRQs for SFs control and completion pool, required=%d avail=%d\n", + num_sf_ctrl + 1, sf_vec_available); + return 0; + } + table->sf_ctrl_pool = irq_pool_alloc(dev, pcif_vec, num_sf_ctrl, "mlx5_sf_ctrl", MLX5_EQ_SHARE_IRQ_MIN_CTRL, @@ -624,9 +633,11 @@ static int irq_pools_init(struct mlx5_core_dev *dev, int sf_vec, int pcif_vec) err = PTR_ERR(table->sf_ctrl_pool); goto err_pf; } - /* init sf_comp_pool */ + sf_vec_available -= num_sf_ctrl; + + /* init sf_comp_pool, remaining vectors are for the SF completions */ table->sf_comp_pool = irq_pool_alloc(dev, pcif_vec + num_sf_ctrl, - sf_vec - num_sf_ctrl, "mlx5_sf_comp", + sf_vec_available, "mlx5_sf_comp", MLX5_EQ_SHARE_IRQ_MIN_COMP, MLX5_EQ_SHARE_IRQ_MAX_COMP); if (IS_ERR(table->sf_comp_pool)) { @@ -715,6 +726,7 @@ int mlx5_irq_table_get_num_comp(struct mlx5_irq_table *table) int mlx5_irq_table_create(struct mlx5_core_dev *dev) { int num_eqs = mlx5_max_eq_cap_get(dev); + bool dynamic_vec; int total_vec; int pcif_vec; int req_vec; @@ -724,21 +736,31 @@ int mlx5_irq_table_create(struct mlx5_core_dev *dev) if (mlx5_core_is_sf(dev)) return 0; + /* PCI PF vectors usage is limited by online cpus, device EQs and + * PCI MSI-X capability. + */ pcif_vec = MLX5_CAP_GEN(dev, num_ports) * num_online_cpus() + 1; pcif_vec = min_t(int, pcif_vec, num_eqs); + pcif_vec = min_t(int, pcif_vec, pci_msix_vec_count(dev->pdev)); total_vec = pcif_vec; if (mlx5_sf_max_functions(dev)) total_vec += MLX5_MAX_MSIX_PER_SF * mlx5_sf_max_functions(dev); total_vec = min_t(int, total_vec, pci_msix_vec_count(dev->pdev)); - pcif_vec = min_t(int, pcif_vec, pci_msix_vec_count(dev->pdev)); req_vec = pci_msix_can_alloc_dyn(dev->pdev) ? 1 : total_vec; n = pci_alloc_irq_vectors(dev->pdev, 1, req_vec, PCI_IRQ_MSIX); if (n < 0) return n; - err = irq_pools_init(dev, total_vec - pcif_vec, pcif_vec); + /* Further limit vectors of the pools based on platform for non dynamic case */ + dynamic_vec = pci_msix_can_alloc_dyn(dev->pdev); + if (!dynamic_vec) { + pcif_vec = min_t(int, n, pcif_vec); + total_vec = min_t(int, n, total_vec); + } + + err = irq_pools_init(dev, total_vec - pcif_vec, pcif_vec, dynamic_vec); if (err) pci_free_irq_vectors(dev->pdev); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c index d68f0c4e7835..9739bc9867c5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c @@ -108,7 +108,12 @@ static int intel_eth_plat_probe(struct platform_device *pdev) if (IS_ERR(dwmac->tx_clk)) return PTR_ERR(dwmac->tx_clk); - clk_prepare_enable(dwmac->tx_clk); + ret = clk_prepare_enable(dwmac->tx_clk); + if (ret) { + dev_err(&pdev->dev, + "Failed to enable tx_clk\n"); + return ret; + } /* Check and configure TX clock rate */ rate = clk_get_rate(dwmac->tx_clk); @@ -119,7 +124,7 @@ static int intel_eth_plat_probe(struct platform_device *pdev) if (ret) { dev_err(&pdev->dev, "Failed to set tx_clk\n"); - return ret; + goto err_tx_clk_disable; } } } @@ -133,7 +138,7 @@ static int intel_eth_plat_probe(struct platform_device *pdev) if (ret) { dev_err(&pdev->dev, "Failed to set clk_ptp_ref\n"); - return ret; + goto err_tx_clk_disable; } } } @@ -149,12 +154,15 @@ static int intel_eth_plat_probe(struct platform_device *pdev) } ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); - if (ret) { - clk_disable_unprepare(dwmac->tx_clk); - return ret; - } + if (ret) + goto err_tx_clk_disable; return 0; + +err_tx_clk_disable: + if (dwmac->data->tx_clk_en) + clk_disable_unprepare(dwmac->tx_clk); + return ret; } static void intel_eth_plat_remove(struct platform_device *pdev) @@ -162,7 +170,8 @@ static void intel_eth_plat_remove(struct platform_device *pdev) struct intel_dwmac *dwmac = get_stmmac_bsp_priv(&pdev->dev); stmmac_pltfr_remove(pdev); - clk_disable_unprepare(dwmac->tx_clk); + if (dwmac->data->tx_clk_en) + clk_disable_unprepare(dwmac->tx_clk); } static struct platform_driver intel_eth_plat_driver = { diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c index 2a9132d6d743..001857c294fb 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c @@ -589,9 +589,9 @@ static int mediatek_dwmac_common_data(struct platform_device *pdev, plat->mac_interface = priv_plat->phy_mode; if (priv_plat->mac_wol) - plat->flags |= STMMAC_FLAG_USE_PHY_WOL; - else plat->flags &= ~STMMAC_FLAG_USE_PHY_WOL; + else + plat->flags |= STMMAC_FLAG_USE_PHY_WOL; plat->riwt_off = 1; plat->maxmtu = ETH_DATA_LEN; plat->host_dma_width = priv_plat->variant->dma_bit_mask; diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.c b/drivers/net/ethernet/ti/icssg/icssg_prueth.c index 5c20ceb164df..fe2fd1bfc904 100644 --- a/drivers/net/ethernet/ti/icssg/icssg_prueth.c +++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include #include @@ -411,6 +412,8 @@ static int prueth_perout_enable(void *clockops_data, struct prueth_emac *emac = clockops_data; u32 reduction_factor = 0, offset = 0; struct timespec64 ts; + u64 current_cycle; + u64 start_offset; u64 ns_period; if (!on) @@ -449,8 +452,14 @@ static int prueth_perout_enable(void *clockops_data, writel(reduction_factor, emac->prueth->shram.va + TIMESYNC_FW_WC_SYNCOUT_REDUCTION_FACTOR_OFFSET); - writel(0, emac->prueth->shram.va + - TIMESYNC_FW_WC_SYNCOUT_START_TIME_CYCLECOUNT_OFFSET); + current_cycle = icssg_read_time(emac->prueth->shram.va + + TIMESYNC_FW_WC_CYCLECOUNT_OFFSET); + + /* Rounding of current_cycle count to next second */ + start_offset = roundup(current_cycle, MSEC_PER_SEC); + + hi_lo_writeq(start_offset, emac->prueth->shram.va + + TIMESYNC_FW_WC_SYNCOUT_START_TIME_CYCLECOUNT_OFFSET); return 0; } diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.h b/drivers/net/ethernet/ti/icssg/icssg_prueth.h index 8722bb4a268a..f5c1d473e9f9 100644 --- a/drivers/net/ethernet/ti/icssg/icssg_prueth.h +++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.h @@ -330,6 +330,18 @@ static inline int prueth_emac_slice(struct prueth_emac *emac) extern const struct ethtool_ops icssg_ethtool_ops; extern const struct dev_pm_ops prueth_dev_pm_ops; +static inline u64 icssg_read_time(const void __iomem *addr) +{ + u32 low, high; + + do { + high = readl(addr + 4); + low = readl(addr); + } while (high != readl(addr + 4)); + + return low + ((u64)high << 32); +} + /* Classifier helpers */ void icssg_class_set_mac_addr(struct regmap *miig_rt, int slice, u8 *mac); void icssg_class_set_host_mac_addr(struct regmap *miig_rt, const u8 *mac); diff --git a/drivers/net/ethernet/vertexcom/mse102x.c b/drivers/net/ethernet/vertexcom/mse102x.c index 2c37957478fb..89dc4c401a8d 100644 --- a/drivers/net/ethernet/vertexcom/mse102x.c +++ b/drivers/net/ethernet/vertexcom/mse102x.c @@ -437,13 +437,15 @@ static void mse102x_tx_work(struct work_struct *work) mse = &mses->mse102x; while ((txb = skb_dequeue(&mse->txq))) { + unsigned int len = max_t(unsigned int, txb->len, ETH_ZLEN); + mutex_lock(&mses->lock); ret = mse102x_tx_pkt_spi(mse, txb, work_timeout); mutex_unlock(&mses->lock); if (ret) { mse->ndev->stats.tx_dropped++; } else { - mse->ndev->stats.tx_bytes += txb->len; + mse->ndev->stats.tx_bytes += len; mse->ndev->stats.tx_packets++; } diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index 4309317de3d1..3e9957b6aa14 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -78,7 +78,7 @@ struct phylink { unsigned int pcs_neg_mode; unsigned int pcs_state; - bool mac_link_dropped; + bool link_failed; bool using_mac_select_pcs; struct sfp_bus *sfp_bus; @@ -1475,9 +1475,9 @@ static void phylink_resolve(struct work_struct *w) cur_link_state = pl->old_link_state; if (pl->phylink_disable_state) { - pl->mac_link_dropped = false; + pl->link_failed = false; link_state.link = false; - } else if (pl->mac_link_dropped) { + } else if (pl->link_failed) { link_state.link = false; retrigger = true; } else { @@ -1572,7 +1572,7 @@ static void phylink_resolve(struct work_struct *w) phylink_link_up(pl, link_state); } if (!link_state.link && retrigger) { - pl->mac_link_dropped = false; + pl->link_failed = false; queue_work(system_power_efficient_wq, &pl->resolve); } mutex_unlock(&pl->state_mutex); @@ -1835,6 +1835,8 @@ static void phylink_phy_change(struct phy_device *phydev, bool up) pl->phy_state.pause |= MLO_PAUSE_RX; pl->phy_state.interface = phydev->interface; pl->phy_state.link = up; + if (!up) + pl->link_failed = true; mutex_unlock(&pl->state_mutex); phylink_run_resolve(pl); @@ -2158,7 +2160,7 @@ EXPORT_SYMBOL_GPL(phylink_disconnect_phy); static void phylink_link_changed(struct phylink *pl, bool up, const char *what) { if (!up) - pl->mac_link_dropped = true; + pl->link_failed = true; phylink_run_resolve(pl); phylink_dbg(pl, "%s link %s\n", what, up ? "up" : "down"); } @@ -2792,7 +2794,7 @@ int phylink_ethtool_set_pauseparam(struct phylink *pl, * link will cycle. */ if (manual_changed) { - pl->mac_link_dropped = true; + pl->link_failed = true; phylink_run_resolve(pl); } diff --git a/include/linux/sockptr.h b/include/linux/sockptr.h index fc5a206c4043..195debe2b1db 100644 --- a/include/linux/sockptr.h +++ b/include/linux/sockptr.h @@ -77,7 +77,9 @@ static inline int copy_safe_from_sockptr(void *dst, size_t ksize, { if (optlen < ksize) return -EINVAL; - return copy_from_sockptr(dst, optval, ksize); + if (copy_from_sockptr(dst, optval, ksize)) + return -EFAULT; + return 0; } static inline int copy_struct_from_sockptr(void *dst, size_t ksize, diff --git a/include/net/bond_options.h b/include/net/bond_options.h index 473a0147769e..18687ccf0638 100644 --- a/include/net/bond_options.h +++ b/include/net/bond_options.h @@ -161,5 +161,7 @@ void bond_option_arp_ip_targets_clear(struct bonding *bond); #if IS_ENABLED(CONFIG_IPV6) void bond_option_ns_ip6_targets_clear(struct bonding *bond); #endif +void bond_slave_ns_maddrs_add(struct bonding *bond, struct slave *slave); +void bond_slave_ns_maddrs_del(struct bonding *bond, struct slave *slave); #endif /* _NET_BOND_OPTIONS_H */ diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 96d097b21d13..0ac354db8177 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -3788,8 +3788,6 @@ static void hci_acldata_packet(struct hci_dev *hdev, struct sk_buff *skb) hci_dev_lock(hdev); conn = hci_conn_hash_lookup_handle(hdev, handle); - if (conn && hci_dev_test_flag(hdev, HCI_MGMT)) - mgmt_device_connected(hdev, conn, NULL, 0); hci_dev_unlock(hdev); if (conn) { diff --git a/net/core/sock.c b/net/core/sock.c index 039be95c40cf..da50df485090 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1052,32 +1052,34 @@ static int sock_reserve_memory(struct sock *sk, int bytes) #ifdef CONFIG_PAGE_POOL -/* This is the number of tokens that the user can SO_DEVMEM_DONTNEED in - * 1 syscall. The limit exists to limit the amount of memory the kernel - * allocates to copy these tokens. +/* This is the number of tokens and frags that the user can SO_DEVMEM_DONTNEED + * in 1 syscall. The limit exists to limit the amount of memory the kernel + * allocates to copy these tokens, and to prevent looping over the frags for + * too long. */ #define MAX_DONTNEED_TOKENS 128 +#define MAX_DONTNEED_FRAGS 1024 static noinline_for_stack int sock_devmem_dontneed(struct sock *sk, sockptr_t optval, unsigned int optlen) { unsigned int num_tokens, i, j, k, netmem_num = 0; struct dmabuf_token *tokens; + int ret = 0, num_frags = 0; netmem_ref netmems[16]; - int ret = 0; if (!sk_is_tcp(sk)) return -EBADF; - if (optlen % sizeof(struct dmabuf_token) || + if (optlen % sizeof(*tokens) || optlen > sizeof(*tokens) * MAX_DONTNEED_TOKENS) return -EINVAL; - tokens = kvmalloc_array(optlen, sizeof(*tokens), GFP_KERNEL); + num_tokens = optlen / sizeof(*tokens); + tokens = kvmalloc_array(num_tokens, sizeof(*tokens), GFP_KERNEL); if (!tokens) return -ENOMEM; - num_tokens = optlen / sizeof(struct dmabuf_token); if (copy_from_sockptr(tokens, optval, optlen)) { kvfree(tokens); return -EFAULT; @@ -1086,24 +1088,28 @@ sock_devmem_dontneed(struct sock *sk, sockptr_t optval, unsigned int optlen) xa_lock_bh(&sk->sk_user_frags); for (i = 0; i < num_tokens; i++) { for (j = 0; j < tokens[i].token_count; j++) { + if (++num_frags > MAX_DONTNEED_FRAGS) + goto frag_limit_reached; + netmem_ref netmem = (__force netmem_ref)__xa_erase( &sk->sk_user_frags, tokens[i].token_start + j); - if (netmem && - !WARN_ON_ONCE(!netmem_is_net_iov(netmem))) { - netmems[netmem_num++] = netmem; - if (netmem_num == ARRAY_SIZE(netmems)) { - xa_unlock_bh(&sk->sk_user_frags); - for (k = 0; k < netmem_num; k++) - WARN_ON_ONCE(!napi_pp_put_page(netmems[k])); - netmem_num = 0; - xa_lock_bh(&sk->sk_user_frags); - } - ret++; + if (!netmem || WARN_ON_ONCE(!netmem_is_net_iov(netmem))) + continue; + + netmems[netmem_num++] = netmem; + if (netmem_num == ARRAY_SIZE(netmems)) { + xa_unlock_bh(&sk->sk_user_frags); + for (k = 0; k < netmem_num; k++) + WARN_ON_ONCE(!napi_pp_put_page(netmems[k])); + netmem_num = 0; + xa_lock_bh(&sk->sk_user_frags); } + ret++; } } +frag_limit_reached: xa_unlock_bh(&sk->sk_user_frags); for (k = 0; k < netmem_num; k++) WARN_ON_ONCE(!napi_pp_put_page(netmems[k])); diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index da5dba120bc9..d6649246188d 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -618,7 +618,7 @@ static int dccp_v6_do_rcv(struct sock *sk, struct sk_buff *skb) by tcp. Feel free to propose better solution. --ANK (980728) */ - if (np->rxopt.all) + if (np->rxopt.all && sk->sk_state != DCCP_LISTEN) opt_skb = skb_clone_and_charge_r(skb, sk); if (sk->sk_state == DCCP_OPEN) { /* Fast path */ diff --git a/net/ipv4/ipmr_base.c b/net/ipv4/ipmr_base.c index 271dc03fc6db..f0af12a2f70b 100644 --- a/net/ipv4/ipmr_base.c +++ b/net/ipv4/ipmr_base.c @@ -310,7 +310,8 @@ int mr_table_dump(struct mr_table *mrt, struct sk_buff *skb, if (filter->filter_set) flags |= NLM_F_DUMP_FILTERED; - list_for_each_entry_rcu(mfc, &mrt->mfc_cache_list, list) { + list_for_each_entry_rcu(mfc, &mrt->mfc_cache_list, list, + lockdep_rtnl_is_held()) { if (e < s_e) goto next_entry; if (filter->dev && diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index d71ab4e1efe1..c9de5ef8f267 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1618,7 +1618,7 @@ int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb) by tcp. Feel free to propose better solution. --ANK (980728) */ - if (np->rxopt.all) + if (np->rxopt.all && sk->sk_state != TCP_LISTEN) opt_skb = skb_clone_and_charge_r(skb, sk); if (sk->sk_state == TCP_ESTABLISHED) { /* Fast path */ @@ -1656,8 +1656,6 @@ int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb) if (reason) goto reset; } - if (opt_skb) - __kfree_skb(opt_skb); return 0; } } else diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index db586a5b3866..45a2b5f05d38 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -524,7 +524,8 @@ __lookup_addr(struct pm_nl_pernet *pernet, const struct mptcp_addr_info *info) { struct mptcp_pm_addr_entry *entry; - list_for_each_entry(entry, &pernet->local_addr_list, list) { + list_for_each_entry_rcu(entry, &pernet->local_addr_list, list, + lockdep_is_held(&pernet->lock)) { if (mptcp_addresses_equal(&entry->addr, info, entry->addr.port)) return entry; } diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c index 56dfea9862b7..e35178f5205f 100644 --- a/net/mptcp/pm_userspace.c +++ b/net/mptcp/pm_userspace.c @@ -308,14 +308,17 @@ int mptcp_pm_nl_remove_doit(struct sk_buff *skb, struct genl_info *info) lock_sock(sk); + spin_lock_bh(&msk->pm.lock); match = mptcp_userspace_pm_lookup_addr_by_id(msk, id_val); if (!match) { GENL_SET_ERR_MSG(info, "address with specified id not found"); + spin_unlock_bh(&msk->pm.lock); release_sock(sk); goto out; } list_move(&match->list, &free_list); + spin_unlock_bh(&msk->pm.lock); mptcp_pm_remove_addrs(msk, &free_list); @@ -560,6 +563,7 @@ int mptcp_userspace_pm_set_flags(struct sk_buff *skb, struct genl_info *info) struct nlattr *token = info->attrs[MPTCP_PM_ATTR_TOKEN]; struct nlattr *attr = info->attrs[MPTCP_PM_ATTR_ADDR]; struct net *net = sock_net(skb->sk); + struct mptcp_pm_addr_entry *entry; struct mptcp_sock *msk; int ret = -EINVAL; struct sock *sk; @@ -601,6 +605,17 @@ int mptcp_userspace_pm_set_flags(struct sk_buff *skb, struct genl_info *info) if (loc.flags & MPTCP_PM_ADDR_FLAG_BACKUP) bkup = 1; + spin_lock_bh(&msk->pm.lock); + list_for_each_entry(entry, &msk->pm.userspace_pm_local_addr_list, list) { + if (mptcp_addresses_equal(&entry->addr, &loc.addr, false)) { + if (bkup) + entry->flags |= MPTCP_PM_ADDR_FLAG_BACKUP; + else + entry->flags &= ~MPTCP_PM_ADDR_FLAG_BACKUP; + } + } + spin_unlock_bh(&msk->pm.lock); + lock_sock(sk); ret = mptcp_pm_nl_mp_prio_send_ack(msk, &loc.addr, &rem.addr, bkup); release_sock(sk); diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index d263091659e0..48d480982b78 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -2082,7 +2082,8 @@ static void mptcp_rcv_space_adjust(struct mptcp_sock *msk, int copied) slow = lock_sock_fast(ssk); WRITE_ONCE(ssk->sk_rcvbuf, rcvbuf); WRITE_ONCE(tcp_sk(ssk)->window_clamp, window_clamp); - tcp_cleanup_rbuf(ssk, 1); + if (tcp_can_send_ack(ssk)) + tcp_cleanup_rbuf(ssk, 1); unlock_sock_fast(ssk, slow); } } @@ -2205,7 +2206,7 @@ static int mptcp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, cmsg_flags = MPTCP_CMSG_INQ; while (copied < len) { - int bytes_read; + int err, bytes_read; bytes_read = __mptcp_recvmsg_mskq(msk, msg, len - copied, flags, &tss, &cmsg_flags); if (unlikely(bytes_read < 0)) { @@ -2267,9 +2268,16 @@ static int mptcp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, } pr_debug("block timeout %ld\n", timeo); - sk_wait_data(sk, &timeo, NULL); + mptcp_rcv_space_adjust(msk, copied); + err = sk_wait_data(sk, &timeo, NULL); + if (err < 0) { + err = copied ? : err; + goto out_err; + } } + mptcp_rcv_space_adjust(msk, copied); + out_err: if (cmsg_flags && copied >= 0) { if (cmsg_flags & MPTCP_CMSG_TS) @@ -2285,8 +2293,6 @@ out_err: pr_debug("msk=%p rx queue empty=%d:%d copied=%d\n", msk, skb_queue_empty_lockless(&sk->sk_receive_queue), skb_queue_empty(&msk->receive_queue), copied); - if (!(flags & MSG_PEEK)) - mptcp_rcv_space_adjust(msk, copied); release_sock(sk); return copied; diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 0a9287fadb47..f84aad420d44 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -393,15 +393,6 @@ static void netlink_skb_set_owner_r(struct sk_buff *skb, struct sock *sk) static void netlink_sock_destruct(struct sock *sk) { - struct netlink_sock *nlk = nlk_sk(sk); - - if (nlk->cb_running) { - if (nlk->cb.done) - nlk->cb.done(&nlk->cb); - module_put(nlk->cb.module); - kfree_skb(nlk->cb.skb); - } - skb_queue_purge(&sk->sk_receive_queue); if (!sock_flag(sk, SOCK_DEAD)) { @@ -414,14 +405,6 @@ static void netlink_sock_destruct(struct sock *sk) WARN_ON(nlk_sk(sk)->groups); } -static void netlink_sock_destruct_work(struct work_struct *work) -{ - struct netlink_sock *nlk = container_of(work, struct netlink_sock, - work); - - sk_free(&nlk->sk); -} - /* This lock without WQ_FLAG_EXCLUSIVE is good on UP and it is _very_ bad on * SMP. Look, when several writers sleep and reader wakes them up, all but one * immediately hit write lock and grab all the cpus. Exclusive sleep solves @@ -731,12 +714,6 @@ static void deferred_put_nlk_sk(struct rcu_head *head) if (!refcount_dec_and_test(&sk->sk_refcnt)) return; - if (nlk->cb_running && nlk->cb.done) { - INIT_WORK(&nlk->work, netlink_sock_destruct_work); - schedule_work(&nlk->work); - return; - } - sk_free(sk); } @@ -788,6 +765,14 @@ static int netlink_release(struct socket *sock) NETLINK_URELEASE, &n); } + /* Terminate any outstanding dump */ + if (nlk->cb_running) { + if (nlk->cb.done) + nlk->cb.done(&nlk->cb); + module_put(nlk->cb.module); + kfree_skb(nlk->cb.skb); + } + module_put(nlk->module); if (netlink_is_kernel(sk)) { diff --git a/net/netlink/af_netlink.h b/net/netlink/af_netlink.h index 5b0e4e62ab8b..778a3809361f 100644 --- a/net/netlink/af_netlink.h +++ b/net/netlink/af_netlink.h @@ -4,7 +4,6 @@ #include #include -#include #include /* flags */ @@ -50,7 +49,6 @@ struct netlink_sock { struct rhash_head node; struct rcu_head rcu; - struct work_struct work; }; static inline struct netlink_sock *nlk_sk(struct sock *sk) diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c index 9412d88a99bc..d3a03c57545b 100644 --- a/net/sched/cls_u32.c +++ b/net/sched/cls_u32.c @@ -92,6 +92,16 @@ struct tc_u_common { long knodes; }; +static u32 handle2id(u32 h) +{ + return ((h & 0x80000000) ? ((h >> 20) & 0x7FF) : h); +} + +static u32 id2handle(u32 id) +{ + return (id | 0x800U) << 20; +} + static inline unsigned int u32_hash_fold(__be32 key, const struct tc_u32_sel *sel, u8 fshift) @@ -310,7 +320,7 @@ static u32 gen_new_htid(struct tc_u_common *tp_c, struct tc_u_hnode *ptr) int id = idr_alloc_cyclic(&tp_c->handle_idr, ptr, 1, 0x7FF, GFP_KERNEL); if (id < 0) return 0; - return (id | 0x800U) << 20; + return id2handle(id); } static struct hlist_head *tc_u_common_hash; @@ -360,7 +370,7 @@ static int u32_init(struct tcf_proto *tp) return -ENOBUFS; refcount_set(&root_ht->refcnt, 1); - root_ht->handle = tp_c ? gen_new_htid(tp_c, root_ht) : 0x80000000; + root_ht->handle = tp_c ? gen_new_htid(tp_c, root_ht) : id2handle(0); root_ht->prio = tp->prio; root_ht->is_root = true; idr_init(&root_ht->handle_idr); @@ -612,7 +622,7 @@ static int u32_destroy_hnode(struct tcf_proto *tp, struct tc_u_hnode *ht, if (phn == ht) { u32_clear_hw_hnode(tp, ht, extack); idr_destroy(&ht->handle_idr); - idr_remove(&tp_c->handle_idr, ht->handle); + idr_remove(&tp_c->handle_idr, handle2id(ht->handle)); RCU_INIT_POINTER(*hn, ht->next); kfree_rcu(ht, rcu); return 0; @@ -989,7 +999,7 @@ static int u32_change(struct net *net, struct sk_buff *in_skb, err = u32_replace_hw_hnode(tp, ht, userflags, extack); if (err) { - idr_remove(&tp_c->handle_idr, handle); + idr_remove(&tp_c->handle_idr, handle2id(handle)); kfree(ht); return err; } diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index f7b809c0d142..38e2fbdcbeac 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -683,7 +683,7 @@ static int sctp_v6_available(union sctp_addr *addr, struct sctp_sock *sp) struct sock *sk = &sp->inet.sk; struct net *net = sock_net(sk); struct net_device *dev = NULL; - int type; + int type, res, bound_dev_if; type = ipv6_addr_type(in6); if (IPV6_ADDR_ANY == type) @@ -697,14 +697,21 @@ static int sctp_v6_available(union sctp_addr *addr, struct sctp_sock *sp) if (!(type & IPV6_ADDR_UNICAST)) return 0; - if (sk->sk_bound_dev_if) { - dev = dev_get_by_index_rcu(net, sk->sk_bound_dev_if); + rcu_read_lock(); + bound_dev_if = READ_ONCE(sk->sk_bound_dev_if); + if (bound_dev_if) { + res = 0; + dev = dev_get_by_index_rcu(net, bound_dev_if); if (!dev) - return 0; + goto out; } - return ipv6_can_nonlocal_bind(net, &sp->inet) || - ipv6_chk_addr(net, in6, dev, 0); + res = ipv6_can_nonlocal_bind(net, &sp->inet) || + ipv6_chk_addr(net, in6, dev, 0); + +out: + rcu_read_unlock(); + return res; } /* This function checks if the address is a valid address to be used for diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index 35681adedd9a..dfd29160fe11 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -836,6 +836,9 @@ static void vsock_sk_destruct(struct sock *sk) { struct vsock_sock *vsk = vsock_sk(sk); + /* Flush MSG_ZEROCOPY leftovers. */ + __skb_queue_purge(&sk->sk_error_queue); + vsock_deassign_transport(vsk); /* When clearing these addresses, there's no need to set the family and diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c index fc5666c8298f..9acc13ab3f82 100644 --- a/net/vmw_vsock/virtio_transport_common.c +++ b/net/vmw_vsock/virtio_transport_common.c @@ -400,6 +400,7 @@ static int virtio_transport_send_pkt_info(struct vsock_sock *vsk, if (virtio_transport_init_zcopy_skb(vsk, skb, info->msg, can_zcopy)) { + kfree_skb(skb); ret = -ENOMEM; break; } @@ -1513,6 +1514,14 @@ virtio_transport_recv_listen(struct sock *sk, struct sk_buff *skb, return -ENOMEM; } + /* __vsock_release() might have already flushed accept_queue. + * Subsequent enqueues would lead to a memory leak. + */ + if (sk->sk_shutdown == SHUTDOWN_MASK) { + virtio_transport_reset_no_sock(t, skb); + return -ESHUTDOWN; + } + child = vsock_create_connected(sk); if (!child) { virtio_transport_reset_no_sock(t, skb); diff --git a/samples/pktgen/pktgen_sample01_simple.sh b/samples/pktgen/pktgen_sample01_simple.sh index cdb9f497f87d..66cb707479e6 100755 --- a/samples/pktgen/pktgen_sample01_simple.sh +++ b/samples/pktgen/pktgen_sample01_simple.sh @@ -76,7 +76,7 @@ if [ -n "$DST_PORT" ]; then pg_set $DEV "udp_dst_max $UDP_DST_MAX" fi -[ ! -z "$UDP_CSUM" ] && pg_set $dev "flag UDPCSUM" +[ ! -z "$UDP_CSUM" ] && pg_set $DEV "flag UDPCSUM" # Setup random UDP port src range pg_set $DEV "flag UDPSRC_RND" diff --git a/tools/testing/selftests/drivers/net/bonding/bond_options.sh b/tools/testing/selftests/drivers/net/bonding/bond_options.sh index 41d0859feb7d..edc56e2cc606 100755 --- a/tools/testing/selftests/drivers/net/bonding/bond_options.sh +++ b/tools/testing/selftests/drivers/net/bonding/bond_options.sh @@ -11,6 +11,8 @@ ALL_TESTS=" lib_dir=$(dirname "$0") source ${lib_dir}/bond_topo_3d1c.sh +c_maddr="33:33:00:00:00:10" +g_maddr="33:33:00:00:02:54" skip_prio() { @@ -240,6 +242,54 @@ arp_validate_test() done } +# Testing correct multicast groups are added to slaves for ns targets +arp_validate_mcast() +{ + RET=0 + local arp_valid=$(cmd_jq "ip -n ${s_ns} -j -d link show bond0" ".[].linkinfo.info_data.arp_validate") + local active_slave=$(cmd_jq "ip -n ${s_ns} -d -j link show bond0" ".[].linkinfo.info_data.active_slave") + + for i in $(seq 0 2); do + maddr_list=$(ip -n ${s_ns} maddr show dev eth${i}) + + # arp_valid == 0 or active_slave should not join any maddrs + if { [ "$arp_valid" == "null" ] || [ "eth${i}" == ${active_slave} ]; } && \ + echo "$maddr_list" | grep -qE "${c_maddr}|${g_maddr}"; then + RET=1 + check_err 1 "arp_valid $arp_valid active_slave $active_slave, eth$i has mcast group" + # arp_valid != 0 and backup_slave should join both maddrs + elif [ "$arp_valid" != "null" ] && [ "eth${i}" != ${active_slave} ] && \ + ( ! echo "$maddr_list" | grep -q "${c_maddr}" || \ + ! echo "$maddr_list" | grep -q "${m_maddr}"); then + RET=1 + check_err 1 "arp_valid $arp_valid active_slave $active_slave, eth$i has mcast group" + fi + done + + # Do failover + ip -n ${s_ns} link set ${active_slave} down + # wait for active link change + slowwait 2 active_slave_changed $active_slave + active_slave=$(cmd_jq "ip -n ${s_ns} -d -j link show bond0" ".[].linkinfo.info_data.active_slave") + + for i in $(seq 0 2); do + maddr_list=$(ip -n ${s_ns} maddr show dev eth${i}) + + # arp_valid == 0 or active_slave should not join any maddrs + if { [ "$arp_valid" == "null" ] || [ "eth${i}" == ${active_slave} ]; } && \ + echo "$maddr_list" | grep -qE "${c_maddr}|${g_maddr}"; then + RET=1 + check_err 1 "arp_valid $arp_valid active_slave $active_slave, eth$i has mcast group" + # arp_valid != 0 and backup_slave should join both maddrs + elif [ "$arp_valid" != "null" ] && [ "eth${i}" != ${active_slave} ] && \ + ( ! echo "$maddr_list" | grep -q "${c_maddr}" || \ + ! echo "$maddr_list" | grep -q "${m_maddr}"); then + RET=1 + check_err 1 "arp_valid $arp_valid active_slave $active_slave, eth$i has mcast group" + fi + done +} + arp_validate_arp() { local mode=$1 @@ -261,8 +311,10 @@ arp_validate_ns() fi for val in $(seq 0 6); do - arp_validate_test "mode $mode arp_interval 100 ns_ip6_target ${g_ip6} arp_validate $val" + arp_validate_test "mode $mode arp_interval 100 ns_ip6_target ${g_ip6},${c_ip6} arp_validate $val" log_test "arp_validate" "$mode ns_ip6_target arp_validate $val" + arp_validate_mcast + log_test "arp_validate" "join mcast group" done } diff --git a/tools/testing/selftests/net/.gitignore b/tools/testing/selftests/net/.gitignore index 217d8b7a7365..59fe07ee2df9 100644 --- a/tools/testing/selftests/net/.gitignore +++ b/tools/testing/selftests/net/.gitignore @@ -19,6 +19,7 @@ log.txt msg_oob msg_zerocopy ncdevmem +netlink-dumps nettest psock_fanout psock_snd diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile index 649f1fe0dc46..5e86f7a51b43 100644 --- a/tools/testing/selftests/net/Makefile +++ b/tools/testing/selftests/net/Makefile @@ -78,6 +78,7 @@ TEST_PROGS += test_vxlan_vnifiltering.sh TEST_GEN_FILES += io_uring_zerocopy_tx TEST_PROGS += io_uring_zerocopy_tx.sh TEST_GEN_FILES += bind_bhash +TEST_GEN_PROGS += netlink-dumps TEST_GEN_PROGS += sk_bind_sendto_listen TEST_GEN_PROGS += sk_connect_zero_addr TEST_GEN_PROGS += sk_so_peek_off diff --git a/tools/testing/selftests/net/netlink-dumps.c b/tools/testing/selftests/net/netlink-dumps.c new file mode 100644 index 000000000000..7ee6dcd334df --- /dev/null +++ b/tools/testing/selftests/net/netlink-dumps.c @@ -0,0 +1,110 @@ +// SPDX-License-Identifier: GPL-2.0 + +#define _GNU_SOURCE + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include "../kselftest_harness.h" + +static const struct { + struct nlmsghdr nlhdr; + struct genlmsghdr genlhdr; + struct nlattr ahdr; + __u16 val; + __u16 pad; +} dump_policies = { + .nlhdr = { + .nlmsg_len = sizeof(dump_policies), + .nlmsg_type = GENL_ID_CTRL, + .nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP, + .nlmsg_seq = 1, + }, + .genlhdr = { + .cmd = CTRL_CMD_GETPOLICY, + .version = 2, + }, + .ahdr = { + .nla_len = 6, + .nla_type = CTRL_ATTR_FAMILY_ID, + }, + .val = GENL_ID_CTRL, + .pad = 0, +}; + +// Sanity check for the test itself, make sure the dump doesn't fit in one msg +TEST(test_sanity) +{ + int netlink_sock; + char buf[8192]; + ssize_t n; + + netlink_sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC); + ASSERT_GE(netlink_sock, 0); + + n = send(netlink_sock, &dump_policies, sizeof(dump_policies), 0); + ASSERT_EQ(n, sizeof(dump_policies)); + + n = recv(netlink_sock, buf, sizeof(buf), MSG_DONTWAIT); + ASSERT_GE(n, sizeof(struct nlmsghdr)); + + n = recv(netlink_sock, buf, sizeof(buf), MSG_DONTWAIT); + ASSERT_GE(n, sizeof(struct nlmsghdr)); + + close(netlink_sock); +} + +TEST(close_in_progress) +{ + int netlink_sock; + ssize_t n; + + netlink_sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC); + ASSERT_GE(netlink_sock, 0); + + n = send(netlink_sock, &dump_policies, sizeof(dump_policies), 0); + ASSERT_EQ(n, sizeof(dump_policies)); + + close(netlink_sock); +} + +TEST(close_with_ref) +{ + char cookie[NOTIFY_COOKIE_LEN] = {}; + int netlink_sock, mq_fd; + struct sigevent sigev; + ssize_t n; + + netlink_sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC); + ASSERT_GE(netlink_sock, 0); + + n = send(netlink_sock, &dump_policies, sizeof(dump_policies), 0); + ASSERT_EQ(n, sizeof(dump_policies)); + + mq_fd = syscall(__NR_mq_open, "sed", O_CREAT | O_WRONLY, 0600, 0); + ASSERT_GE(mq_fd, 0); + + memset(&sigev, 0, sizeof(sigev)); + sigev.sigev_notify = SIGEV_THREAD; + sigev.sigev_value.sival_ptr = cookie; + sigev.sigev_signo = netlink_sock; + + syscall(__NR_mq_notify, mq_fd, &sigev); + + close(netlink_sock); + + // give mqueue time to fire + usleep(100 * 1000); +} + +TEST_HARNESS_MAIN diff --git a/tools/testing/selftests/tc-testing/tc-tests/filters/u32.json b/tools/testing/selftests/tc-testing/tc-tests/filters/u32.json index 24bd0c2a3014..b2ca9d4e991b 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/filters/u32.json +++ b/tools/testing/selftests/tc-testing/tc-tests/filters/u32.json @@ -329,5 +329,29 @@ "teardown": [ "$TC qdisc del dev $DEV1 parent root drr" ] + }, + { + "id": "1234", + "name": "Exercise IDR leaks by creating/deleting a filter many (2048) times", + "category": [ + "filter", + "u32" + ], + "plugins": { + "requires": "nsPlugin" + }, + "setup": [ + "$TC qdisc add dev $DEV1 parent root handle 10: drr", + "$TC filter add dev $DEV1 parent 10:0 protocol ip prio 2 u32 match ip src 0.0.0.2/32 action drop", + "$TC filter add dev $DEV1 parent 10:0 protocol ip prio 3 u32 match ip src 0.0.0.3/32 action drop" + ], + "cmdUnderTest": "bash -c 'for i in {1..2048} ;do echo filter delete dev $DEV1 pref 3;echo filter add dev $DEV1 parent 10:0 protocol ip prio 3 u32 match ip src 0.0.0.3/32 action drop;done | $TC -b -'", + "expExitCode": "0", + "verifyCmd": "$TC filter show dev $DEV1", + "matchPattern": "protocol ip pref 3 u32", + "matchCount": "3", + "teardown": [ + "$TC qdisc del dev $DEV1 parent root drr" + ] } ]