The following commit has been merged in the master branch: commit f83f7151950dd9e0f6b4a1a405bf5e55c5294e4d Merge: 8f4043f1253292495dbf9c8be0c1b07b4b9902b7 7f46774c6480174eb869a3c15167eafac467a6af Author: David S. Miller davem@davemloft.net Date: Fri Apr 5 14:14:19 2019 -0700

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Minor comment merge conflict in mlx5.

Staging driver has a fixup due to the skb->xmit_more changes in 'net-next', but was removed in 'net'.

Signed-off-by: David S. Miller davem@davemloft.net

diff --combined MAINTAINERS index c1e2f4070aa5,6771bd784f5f..cdb088103b2e --- a/MAINTAINERS +++ b/MAINTAINERS @@@ -2356,7 -2356,7 +2356,7 @@@ F: arch/arm/mm/cache-uniphier. F: arch/arm64/boot/dts/socionext/uniphier* F: drivers/bus/uniphier-system-bus.c F: drivers/clk/uniphier/ - F: drivers/dmaengine/uniphier-mdmac.c + F: drivers/dma/uniphier-mdmac.c F: drivers/gpio/gpio-uniphier.c F: drivers/i2c/busses/i2c-uniphier* F: drivers/irqchip/irq-uniphier-aidet.c @@@ -2793,13 -2793,10 +2793,13 @@@ M: Simon Wunderlich <sw@simonwunderlich M: Antonio Quartulli a@unstable.cc L: b.a.t.m.a.n@lists.open-mesh.org (moderated for non-subscribers) W: https://www.open-mesh.org/ +B: https://www.open-mesh.org/projects/batman-adv/issues +C: irc://chat.freenode.net/batman Q: https://patchwork.open-mesh.org/project/batman/list/ +T: git https://git.open-mesh.org/linux-merge.git S: Maintained -F: Documentation/ABI/testing/sysfs-class-net-batman-adv -F: Documentation/ABI/testing/sysfs-class-net-mesh +F: Documentation/ABI/obsolete/sysfs-class-net-batman-adv +F: Documentation/ABI/obsolete/sysfs-class-net-mesh F: Documentation/networking/batman-adv.rst F: include/uapi/linux/batadv_packet.h F: include/uapi/linux/batman_adv.h @@@ -4132,7 -4129,7 +4132,7 @@@ F: drivers/cpuidle/ F: include/linux/cpuidle.h

CRAMFS FILESYSTEM - M: Nicolas Pitre nico@linaro.org + M: Nicolas Pitre nico@fluxnic.net S: Maintained F: Documentation/filesystems/cramfs.txt F: fs/cramfs/ @@@ -5836,7 -5833,7 +5836,7 @@@ L: netdev@vger.kernel.or S: Maintained F: Documentation/ABI/testing/sysfs-bus-mdio F: Documentation/devicetree/bindings/net/mdio* - F: Documentation/networking/phy.txt + F: Documentation/networking/phy.rst F: drivers/net/phy/ F: drivers/of/of_mdio.c F: drivers/of/of_net.c @@@ -6411,7 -6408,6 +6411,6 @@@ L: linux-kernel@vger.kernel.or T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/core S: Maintained F: kernel/futex.c - F: kernel/futex_compat.c F: include/asm-generic/futex.h F: include/linux/futex.h F: include/uapi/linux/futex.h @@@ -9879,6 -9875,15 +9878,6 @@@ F: drivers/net/ethernet/mellanox/mlx5/c F: drivers/net/ethernet/mellanox/mlx5/core/fpga/* F: include/linux/mlx5/mlx5_ifc_fpga.h

-MELLANOX ETHERNET INNOVA IPSEC DRIVER -R: Boris Pismenny borisp@mellanox.com -L: netdev@vger.kernel.org -S: Supported -W: http://www.mellanox.com -Q: http://patchwork.ozlabs.org/project/netdev/list/ -F: drivers/net/ethernet/mellanox/mlx5/core/en_ipsec/* -F: drivers/net/ethernet/mellanox/mlx5/core/ipsec* - MELLANOX ETHERNET SWITCH DRIVERS M: Jiri Pirko jiri@mellanox.com M: Ido Schimmel idosch@mellanox.com @@@ -13976,7 -13981,7 +13975,7 @@@ F: drivers/media/rc/serial_ir. SFC NETWORK DRIVER M: Solarflare linux maintainers linux-net-drivers@solarflare.com M: Edward Cree ecree@solarflare.com - M: Bert Kenward bkenward@solarflare.com + M: Martin Habets mhabets@solarflare.com L: netdev@vger.kernel.org S: Supported F: drivers/net/ethernet/sfc/ diff --combined drivers/net/ethernet/hisilicon/hns/hns_enet.c index e37a0ca0db89,4cd86ba1f050..297b95c1b3c1 --- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c @@@ -29,9 -29,6 +29,6 @@@

#define SERVICE_TIMER_HZ (1 * HZ)

- #define NIC_TX_CLEAN_MAX_NUM 256 - #define NIC_RX_CLEAN_MAX_NUM 64 - #define RCB_IRQ_NOT_INITED 0 #define RCB_IRQ_INITED 1 #define HNS_BUFFER_SIZE_2048 2048 @@@ -376,8 -373,6 +373,6 @@@ netdev_tx_t hns_nic_net_xmit_hw(struct wmb(); /* commit all data before submit */ assert(skb->queue_mapping < priv->ae_handle->q_num); hnae_queue_xmit(priv->ae_handle->qs[skb->queue_mapping], buf_num); - ring->stats.tx_pkts++; - ring->stats.tx_bytes += skb->len;

return NETDEV_TX_OK;

@@@ -999,6 -994,9 +994,9 @@@ static int hns_nic_tx_poll_one(struct h /* issue prefetch for next Tx descriptor */ prefetch(&ring->desc_cb[ring->next_to_clean]); } + /* update tx ring statistics. */ + ring->stats.tx_pkts += pkts; + ring->stats.tx_bytes += bytes;

NETIF_TX_UNLOCK(ring);

@@@ -1964,7 -1962,8 +1962,7 @@@ static void hns_nic_get_stats64(struct

static u16 hns_nic_select_queue(struct net_device *ndev, struct sk_buff *skb, - struct net_device *sb_dev, - select_queue_fallback_t fallback) + struct net_device *sb_dev) { struct ethhdr *eth_hdr = (struct ethhdr *)skb->data; struct hns_nic_priv *priv = netdev_priv(ndev); @@@ -1974,7 -1973,7 +1972,7 @@@ is_multicast_ether_addr(eth_hdr->h_dest)) return 0; else - return fallback(ndev, skb, NULL); + return netdev_pick_tx(ndev, skb, NULL); }

static const struct net_device_ops hns_nic_netdev_ops = { @@@ -2151,7 -2150,7 +2149,7 @@@ static int hns_nic_init_ring_data(struc hns_nic_tx_fini_pro_v2;

netif_napi_add(priv->netdev, &rd->napi, - hns_nic_common_poll, NIC_TX_CLEAN_MAX_NUM); + hns_nic_common_poll, NAPI_POLL_WEIGHT); rd->ring->irq_init_flag = RCB_IRQ_NOT_INITED; } for (i = h->q_num; i < h->q_num * 2; i++) { @@@ -2164,7 -2163,7 +2162,7 @@@ hns_nic_rx_fini_pro_v2;

netif_napi_add(priv->netdev, &rd->napi, - hns_nic_common_poll, NIC_RX_CLEAN_MAX_NUM); + hns_nic_common_poll, NAPI_POLL_WEIGHT); rd->ring->irq_init_flag = RCB_IRQ_NOT_INITED; }

diff --combined drivers/net/ethernet/ibm/ibmvnic.c index 20c4e0835ba8,51cfe95f3e24..1de691e76b86 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@@ -120,7 -120,6 +120,7 @@@ static int ibmvnic_reset_init(struct ib static void release_crq_queue(struct ibmvnic_adapter *); static int __ibmvnic_set_mac(struct net_device *netdev, struct sockaddr *p); static int init_crq_queue(struct ibmvnic_adapter *adapter); +static int send_query_phys_parms(struct ibmvnic_adapter *adapter);

struct ibmvnic_stat { char name[ETH_GSTRING_LEN]; @@@ -1886,6 -1885,7 +1886,7 @@@ static int do_hard_reset(struct ibmvnic */ adapter->state = VNIC_PROBED;

+ reinit_completion(&adapter->init_done); rc = init_crq_queue(adapter); if (rc) { netdev_err(adapter->netdev, @@@ -1968,11 -1968,13 +1969,11 @@@ static void __ibmvnic_reset(struct work { struct ibmvnic_rwi *rwi; struct ibmvnic_adapter *adapter; - struct net_device *netdev; bool we_lock_rtnl = false; u32 reset_state; int rc = 0;

adapter = container_of(work, struct ibmvnic_adapter, ibmvnic_reset); - netdev = adapter->netdev;

/* netif_set_real_num_xx_queues needs to take rtnl lock here * unless wait_for_reset is set, in which case the rtnl lock @@@ -2277,20 -2279,23 +2278,20 @@@ static const struct net_device_ops ibmv static int ibmvnic_get_link_ksettings(struct net_device *netdev, struct ethtool_link_ksettings *cmd) { - u32 supported, advertising; - - supported = (SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | - SUPPORTED_FIBRE); - advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg | - ADVERTISED_FIBRE); - cmd->base.speed = SPEED_1000; - cmd->base.duplex = DUPLEX_FULL; + struct ibmvnic_adapter *adapter = netdev_priv(netdev); + int rc; + + rc = send_query_phys_parms(adapter); + if (rc) { + adapter->speed = SPEED_UNKNOWN; + adapter->duplex = DUPLEX_UNKNOWN; + } + cmd->base.speed = adapter->speed; + cmd->base.duplex = adapter->duplex; cmd->base.port = PORT_FIBRE; cmd->base.phy_address = 0; cmd->base.autoneg = AUTONEG_ENABLE;

- ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, - supported); - ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, - advertising); - return 0; }

@@@ -4274,73 -4279,6 +4275,73 @@@ out } }

+static int send_query_phys_parms(struct ibmvnic_adapter *adapter) +{ + union ibmvnic_crq crq; + int rc; + + memset(&crq, 0, sizeof(crq)); + crq.query_phys_parms.first = IBMVNIC_CRQ_CMD; + crq.query_phys_parms.cmd = QUERY_PHYS_PARMS; + init_completion(&adapter->fw_done); + rc = ibmvnic_send_crq(adapter, &crq); + if (rc) + return rc; + wait_for_completion(&adapter->fw_done); + return adapter->fw_done_rc ? -EIO : 0; +} + +static int handle_query_phys_parms_rsp(union ibmvnic_crq *crq, + struct ibmvnic_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + int rc; + + rc = crq->query_phys_parms_rsp.rc.code; + if (rc) { + netdev_err(netdev, "Error %d in QUERY_PHYS_PARMS\n", rc); + return rc; + } + switch (cpu_to_be32(crq->query_phys_parms_rsp.speed)) { + case IBMVNIC_10MBPS: + adapter->speed = SPEED_10; + break; + case IBMVNIC_100MBPS: + adapter->speed = SPEED_100; + break; + case IBMVNIC_1GBPS: + adapter->speed = SPEED_1000; + break; + case IBMVNIC_10GBP: + adapter->speed = SPEED_10000; + break; + case IBMVNIC_25GBPS: + adapter->speed = SPEED_25000; + break; + case IBMVNIC_40GBPS: + adapter->speed = SPEED_40000; + break; + case IBMVNIC_50GBPS: + adapter->speed = SPEED_50000; + break; + case IBMVNIC_100GBPS: + adapter->speed = SPEED_100000; + break; + default: + netdev_warn(netdev, "Unknown speed 0x%08x\n", + cpu_to_be32(crq->query_phys_parms_rsp.speed)); + adapter->speed = SPEED_UNKNOWN; + } + if (crq->query_phys_parms_rsp.flags1 & IBMVNIC_FULL_DUPLEX) + adapter->duplex = DUPLEX_FULL; + else if (crq->query_phys_parms_rsp.flags1 & IBMVNIC_HALF_DUPLEX) + adapter->duplex = DUPLEX_HALF; + else + adapter->duplex = DUPLEX_UNKNOWN; + + return rc; +} + static void ibmvnic_handle_crq(union ibmvnic_crq *crq, struct ibmvnic_adapter *adapter) { @@@ -4489,10 -4427,6 +4490,10 @@@ case GET_VPD_RSP: handle_vpd_rsp(crq, adapter); break; + case QUERY_PHYS_PARMS_RSP: + adapter->fw_done_rc = handle_query_phys_parms_rsp(crq, adapter); + complete(&adapter->fw_done); + break; default: netdev_err(netdev, "Got an invalid cmd type 0x%02x\n", gen_crq->cmd); @@@ -4692,7 -4626,7 +4693,7 @@@ static int ibmvnic_reset_init(struct ib old_num_rx_queues = adapter->req_rx_queues; old_num_tx_queues = adapter->req_tx_queues;

- init_completion(&adapter->init_done); + reinit_completion(&adapter->init_done); adapter->init_done_rc = 0; ibmvnic_send_crq_init(adapter); if (!wait_for_completion_timeout(&adapter->init_done, timeout)) { @@@ -4747,7 -4681,6 +4748,6 @@@ static int ibmvnic_init(struct ibmvnic_

adapter->from_passive_init = false;

- init_completion(&adapter->init_done); adapter->init_done_rc = 0; ibmvnic_send_crq_init(adapter); if (!wait_for_completion_timeout(&adapter->init_done, timeout)) { @@@ -4826,6 -4759,7 +4826,7 @@@ static int ibmvnic_probe(struct vio_de INIT_WORK(&adapter->ibmvnic_reset, __ibmvnic_reset); INIT_LIST_HEAD(&adapter->rwi_list); spin_lock_init(&adapter->rwi_lock); + init_completion(&adapter->init_done); adapter->resetting = false;

adapter->mac_change_pending = false; diff --combined drivers/net/ethernet/intel/fm10k/fm10k_main.c index e2fa112bed9a,ecef949f3baa..2325cee76211 --- a/drivers/net/ethernet/intel/fm10k/fm10k_main.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_main.c @@@ -41,6 -41,8 +41,8 @@@ static int __init fm10k_init_module(voi /* create driver workqueue */ fm10k_workqueue = alloc_workqueue("%s", WQ_MEM_RECLAIM, 0, fm10k_driver_name); + if (!fm10k_workqueue) + return -ENOMEM;

fm10k_dbg_init();

@@@ -1035,7 -1037,7 +1037,7 @@@ static void fm10k_tx_map(struct fm10k_r fm10k_maybe_stop_tx(tx_ring, DESC_NEEDED);

/* notify HW of packet */ - if (netif_xmit_stopped(txring_txq(tx_ring)) || !skb->xmit_more) { + if (netif_xmit_stopped(txring_txq(tx_ring)) || !netdev_xmit_more()) { writel(i, tx_ring->tail);

/* we need this if more than one processor can write to our tail diff --combined drivers/net/ethernet/intel/igb/igb_main.c index 32d61d5a2706,3269d8e94744..acbb5b4f333d --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@@ -2480,7 -2480,7 +2480,7 @@@ static int igb_set_features(struct net_ else igb_reset(adapter);

- return 0; + return 1; }

static int igb_ndo_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], @@@ -3452,9 -3452,6 +3452,9 @@@ static int igb_probe(struct pci_dev *pd break; } } + + dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NEVER_SKIP); + pm_runtime_put_noidle(&pdev->dev); return 0;

@@@ -6029,7 -6026,7 +6029,7 @@@ static int igb_tx_map(struct igb_ring * /* Make sure there is space in the ring for the next send. */ igb_maybe_stop_tx(tx_ring, DESC_NEEDED);

- if (netif_xmit_stopped(txring_txq(tx_ring)) || !skb->xmit_more) { + if (netif_xmit_stopped(txring_txq(tx_ring)) || !netdev_xmit_more()) { writel(i, tx_ring->tail);

/* we need this if more than one processor can write to our tail @@@ -8743,9 -8740,7 +8743,7 @@@ static int __igb_shutdown(struct pci_de struct e1000_hw *hw = &adapter->hw; u32 ctrl, rctl, status; u32 wufc = runtime ? E1000_WUFC_LNKC : adapter->wol; - #ifdef CONFIG_PM - int retval = 0; - #endif + bool wake;

rtnl_lock(); netif_device_detach(netdev); @@@ -8758,14 -8753,6 +8756,6 @@@ igb_clear_interrupt_scheme(adapter); rtnl_unlock();

- #ifdef CONFIG_PM - if (!runtime) { - retval = pci_save_state(pdev); - if (retval) - return retval; - } - #endif - status = rd32(E1000_STATUS); if (status & E1000_STATUS_LU) wufc &= ~E1000_WUFC_LNKC; @@@ -8782,10 -8769,6 +8772,6 @@@ }

ctrl = rd32(E1000_CTRL); - /* advertise wake from D3Cold */ - #define E1000_CTRL_ADVD3WUC 0x00100000 - /* phy power management enable */ - #define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000 ctrl |= E1000_CTRL_ADVD3WUC; wr32(E1000_CTRL, ctrl);

@@@ -8799,12 -8782,15 +8785,15 @@@ wr32(E1000_WUFC, 0); }

- *enable_wake = wufc || adapter->en_mng_pt; - if (!*enable_wake) + wake = wufc || adapter->en_mng_pt; + if (!wake) igb_power_down_link(adapter); else igb_power_up_link(adapter);

+ if (enable_wake) + *enable_wake = wake; + /* Release control of h/w to f/w. If f/w is AMT enabled, this * would have already happened in close and is redundant. */ @@@ -8847,22 -8833,7 +8836,7 @@@ static void igb_deliver_wake_packet(str

static int __maybe_unused igb_suspend(struct device *dev) { - int retval; - bool wake; - struct pci_dev *pdev = to_pci_dev(dev); - - retval = __igb_shutdown(pdev, &wake, 0); - if (retval) - return retval; - - if (wake) { - pci_prepare_to_sleep(pdev); - } else { - pci_wake_from_d3(pdev, false); - pci_set_power_state(pdev, PCI_D3hot); - } - - return 0; + return __igb_shutdown(to_pci_dev(dev), NULL, 0); }

static int __maybe_unused igb_resume(struct device *dev) @@@ -8933,22 -8904,7 +8907,7 @@@ static int __maybe_unused igb_runtime_i

static int __maybe_unused igb_runtime_suspend(struct device *dev) { - struct pci_dev *pdev = to_pci_dev(dev); - int retval; - bool wake; - - retval = __igb_shutdown(pdev, &wake, 1); - if (retval) - return retval; - - if (wake) { - pci_prepare_to_sleep(pdev); - } else { - pci_wake_from_d3(pdev, false); - pci_set_power_state(pdev, PCI_D3hot); - } - - return 0; + return __igb_shutdown(to_pci_dev(dev), NULL, 1); }

static int __maybe_unused igb_runtime_resume(struct device *dev) diff --combined drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c index b0ce68feb0f3,4ab0d030b544..633b117eb13e --- a/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c @@@ -122,7 -122,9 +122,9 @@@ out return err; }

- /* xoff = ((301+2.16 * len [m]) * speed [Gbps] + 2.72 MTU [B]) */ + /* xoff = ((301+2.16 * len [m]) * speed [Gbps] + 2.72 MTU [B]) + * minimum speed value is 40Gbps + */ static u32 calculate_xoff(struct mlx5e_priv *priv, unsigned int mtu) { u32 speed; @@@ -130,10 -132,9 +132,9 @@@ int err;

err = mlx5e_port_linkspeed(priv->mdev, &speed); - if (err) { - mlx5_core_warn(priv->mdev, "cannot get port speed\n"); - return 0; - } + if (err) + speed = SPEED_40000; + speed = max_t(u32, speed, SPEED_40000);

xoff = (301 + 216 * priv->dcbx.cable_len / 100) * speed / 1000 + 272 * mtu / 100;

@@@ -142,7 -143,7 +143,7 @@@ }

static int update_xoff_threshold(struct mlx5e_port_buffer *port_buffer, - u32 xoff, unsigned int mtu) + u32 xoff, unsigned int max_mtu) { int i;

@@@ -154,36 -155,37 +155,37 @@@ }

if (port_buffer->buffer[i].size < - (xoff + mtu + (1 << MLX5E_BUFFER_CELL_SHIFT))) + (xoff + max_mtu + (1 << MLX5E_BUFFER_CELL_SHIFT))) return -ENOMEM;

port_buffer->buffer[i].xoff = port_buffer->buffer[i].size - xoff; - port_buffer->buffer[i].xon = port_buffer->buffer[i].xoff - mtu; + port_buffer->buffer[i].xon = + port_buffer->buffer[i].xoff - max_mtu; }

return 0; }

/** - * update_buffer_lossy() - * max_mtu: netdev's max_mtu - * pfc_en: <input> current pfc configuration - * buffer: <input> current prio to buffer mapping - * xoff: <input> xoff value - * port_buffer: <output> port receive buffer configuration - * change: <output> + * update_buffer_lossy - Update buffer configuration based on pfc - * @mtu: device's MTU ++ * @max_mtu: netdev's max_mtu + * @pfc_en: <input> current pfc configuration + * @buffer: <input> current prio to buffer mapping + * @xoff: <input> xoff value + * @port_buffer: <output> port receive buffer configuration + * @change: <output> * - * Update buffer configuration based on pfc configuraiton and priority - * to buffer mapping. - * Buffer's lossy bit is changed to: - * lossless if there is at least one PFC enabled priority mapped to this buffer - * lossy if all priorities mapped to this buffer are PFC disabled + * Update buffer configuration based on pfc configuraiton and + * priority to buffer mapping. + * Buffer's lossy bit is changed to: + * lossless if there is at least one PFC enabled priority + * mapped to this buffer lossy if all priorities mapped to + * this buffer are PFC disabled * - * Return: - * Return 0 if no error. - * Set change to true if buffer configuration is modified. + * @return: 0 if no error, + * sets change to true if buffer configuration was modified. */ - static int update_buffer_lossy(unsigned int mtu, + static int update_buffer_lossy(unsigned int max_mtu, u8 pfc_en, u8 *buffer, u32 xoff, struct mlx5e_port_buffer *port_buffer, bool *change) @@@ -220,7 -222,7 +222,7 @@@ }

if (changed) { - err = update_xoff_threshold(port_buffer, xoff, mtu); + err = update_xoff_threshold(port_buffer, xoff, max_mtu); if (err) return err;

@@@ -230,6 -232,7 +232,7 @@@ return 0; }

+ #define MINIMUM_MAX_MTU 9216 int mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv, u32 change, unsigned int mtu, struct ieee_pfc *pfc, @@@ -241,12 -244,14 +244,14 @@@ bool update_prio2buffer = false; u8 buffer[MLX5E_MAX_PRIORITY]; bool update_buffer = false; + unsigned int max_mtu; u32 total_used = 0; u8 curr_pfc_en; int err; int i;

mlx5e_dbg(HW, priv, "%s: change=%x\n", __func__, change); + max_mtu = max_t(unsigned int, priv->netdev->max_mtu, MINIMUM_MAX_MTU);

err = mlx5e_port_query_buffer(priv, &port_buffer); if (err) @@@ -254,7 -259,7 +259,7 @@@

if (change & MLX5E_PORT_BUFFER_CABLE_LEN) { update_buffer = true; - err = update_xoff_threshold(&port_buffer, xoff, mtu); + err = update_xoff_threshold(&port_buffer, xoff, max_mtu); if (err) return err; } @@@ -264,7 -269,7 +269,7 @@@ if (err) return err;

- err = update_buffer_lossy(mtu, pfc->pfc_en, buffer, xoff, + err = update_buffer_lossy(max_mtu, pfc->pfc_en, buffer, xoff, &port_buffer, &update_buffer); if (err) return err; @@@ -276,8 -281,8 +281,8 @@@ if (err) return err;

- err = update_buffer_lossy(mtu, curr_pfc_en, prio2buffer, xoff, - &port_buffer, &update_buffer); + err = update_buffer_lossy(max_mtu, curr_pfc_en, prio2buffer, + xoff, &port_buffer, &update_buffer); if (err) return err; } @@@ -301,7 -306,7 +306,7 @@@ return -EINVAL;

update_buffer = true; - err = update_xoff_threshold(&port_buffer, xoff, mtu); + err = update_xoff_threshold(&port_buffer, xoff, max_mtu); if (err) return err; } @@@ -309,7 -314,7 +314,7 @@@ /* Need to update buffer configuration if xoff value is changed */ if (!update_buffer && xoff != priv->dcbx.xoff) { update_buffer = true; - err = update_xoff_threshold(&port_buffer, xoff, mtu); + err = update_xoff_threshold(&port_buffer, xoff, max_mtu); if (err) return err; } diff --combined drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 2fd425a7b156,d75dc44eb2ff..ffc4a36551c8 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@@ -44,7 -44,6 +44,7 @@@ #include <net/tc_act/tc_pedit.h> #include <net/tc_act/tc_csum.h> #include <net/arp.h> +#include <net/ipv6_stubs.h> #include "en.h" #include "en_rep.h" #include "en_tc.h" @@@ -1828,7 -1827,6 +1828,7 @@@ static int parse_cls_flower(struct mlx5

struct pedit_headers { struct ethhdr eth; + struct vlan_hdr vlan; struct iphdr ip4; struct ipv6hdr ip6; struct tcphdr tcp; @@@ -1886,7 -1884,6 +1886,7 @@@ static struct mlx5_fields fields[] = OFFLOAD(SMAC_47_16, 4, eth.h_source[0], 0), OFFLOAD(SMAC_15_0, 2, eth.h_source[4], 0), OFFLOAD(ETHERTYPE, 2, eth.h_proto, 0), + OFFLOAD(FIRST_VID, 2, vlan.h_vlan_TCI, 0),

OFFLOAD(IP_TTL, 1, ip4.ttl, 0), OFFLOAD(SIPV4, 4, ip4.saddr, 0), @@@ -2161,6 -2158,52 +2161,52 @@@ static bool csum_offload_supported(stru return true; }

+ struct ip_ttl_word { + __u8 ttl; + __u8 protocol; + __sum16 check; + }; + + struct ipv6_hoplimit_word { + __be16 payload_len; + __u8 nexthdr; + __u8 hop_limit; + }; + + static bool is_action_keys_supported(const struct flow_action_entry *act) + { + u32 mask, offset; + u8 htype; + + htype = act->mangle.htype; + offset = act->mangle.offset; + mask = ~act->mangle.mask; + /* For IPv4 & IPv6 header check 4 byte word, + * to determine that modified fields + * are NOT ttl & hop_limit only. + */ + if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { + struct ip_ttl_word *ttl_word = + (struct ip_ttl_word *)&mask; + + if (offset != offsetof(struct iphdr, ttl) || + ttl_word->protocol || + ttl_word->check) { + return true; + } + } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { + struct ipv6_hoplimit_word *hoplimit_word = + (struct ipv6_hoplimit_word *)&mask; + + if (offset != offsetof(struct ipv6hdr, payload_len) || + hoplimit_word->payload_len || + hoplimit_word->nexthdr) { + return true; + } + } + return false; + } + static bool modify_header_match_supported(struct mlx5_flow_spec *spec, struct flow_action *flow_action, u32 actions, @@@ -2168,9 -2211,9 +2214,9 @@@ { const struct flow_action_entry *act; bool modify_ip_header; - u8 htype, ip_proto; void *headers_v; u16 ethertype; + u8 ip_proto; int i;

if (actions & MLX5_FLOW_CONTEXT_ACTION_DECAP) @@@ -2190,9 -2233,7 +2236,7 @@@ act->id != FLOW_ACTION_ADD) continue;

- htype = act->mangle.htype; - if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4 || - htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { + if (is_action_keys_supported(act)) { modify_ip_header = true; break; } @@@ -2250,35 -2291,6 +2294,35 @@@ static bool same_hw_devs(struct mlx5e_p return (fsystem_guid == psystem_guid); }

+static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, + const struct flow_action_entry *act, + struct mlx5e_tc_flow_parse_attr *parse_attr, + struct pedit_headers_action *hdrs, + u32 *action, struct netlink_ext_ack *extack) +{ + u16 mask16 = VLAN_VID_MASK; + u16 val16 = act->vlan.vid & VLAN_VID_MASK; + const struct flow_action_entry pedit_act = { + .id = FLOW_ACTION_MANGLE, + .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, + .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), + .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), + .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), + }; + int err; + + if (act->vlan.prio) { + NL_SET_ERR_MSG_MOD(extack, "Setting VLAN prio is not supported"); + return -EOPNOTSUPP; + } + + err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, + hdrs, NULL); + *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; + + return err; +} + static int parse_tc_nic_actions(struct mlx5e_priv *priv, struct flow_action *flow_action, struct mlx5e_tc_flow_parse_attr *parse_attr, @@@ -2314,15 -2326,6 +2358,15 @@@ action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; break; + case FLOW_ACTION_VLAN_MANGLE: + err = add_vlan_rewrite_action(priv, + MLX5_FLOW_NAMESPACE_KERNEL, + act, parse_attr, hdrs, + &action, extack); + if (err) + return err; + + break; case FLOW_ACTION_CSUM: if (csum_offload_supported(priv, action, act->csum_flags, @@@ -2381,15 -2384,22 +2425,22 @@@ return 0; }

- static inline int cmp_encap_info(struct ip_tunnel_key *a, - struct ip_tunnel_key *b) + struct encap_key { + struct ip_tunnel_key *ip_tun_key; + int tunnel_type; + }; + + static inline int cmp_encap_info(struct encap_key *a, + struct encap_key *b) { - return memcmp(a, b, sizeof(*a)); + return memcmp(a->ip_tun_key, b->ip_tun_key, sizeof(*a->ip_tun_key)) || + a->tunnel_type != b->tunnel_type; }

- static inline int hash_encap_info(struct ip_tunnel_key *key) + static inline int hash_encap_info(struct encap_key *key) { - return jhash(key, sizeof(*key), 0); + return jhash(key->ip_tun_key, sizeof(*key->ip_tun_key), + key->tunnel_type); }

@@@ -2420,7 -2430,7 +2471,7 @@@ static int mlx5e_attach_encap(struct ml struct mlx5_esw_flow_attr *attr = flow->esw_attr; struct mlx5e_tc_flow_parse_attr *parse_attr; struct ip_tunnel_info *tun_info; - struct ip_tunnel_key *key; + struct encap_key key, e_key; struct mlx5e_encap_entry *e; unsigned short family; uintptr_t hash_key; @@@ -2430,13 -2440,16 +2481,16 @@@ parse_attr = attr->parse_attr; tun_info = &parse_attr->tun_info[out_index]; family = ip_tunnel_info_af(tun_info); - key = &tun_info->key; + key.ip_tun_key = &tun_info->key; + key.tunnel_type = mlx5e_tc_tun_get_type(mirred_dev);

- hash_key = hash_encap_info(key); + hash_key = hash_encap_info(&key);

hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, encap_hlist, hash_key) { - if (!cmp_encap_info(&e->tun_info.key, key)) { + e_key.ip_tun_key = &e->tun_info.key; + e_key.tunnel_type = e->tunnel_type; + if (!cmp_encap_info(&e_key, &key)) { found = true; break; } @@@ -2531,7 -2544,8 +2585,7 @@@ static int parse_tc_vlan_action(struct } break; default: - /* action is FLOW_ACT_VLAN_MANGLE */ - return -EOPNOTSUPP; + return -EINVAL; }

attr->total_vlan = vlan_idx + 1; @@@ -2665,27 -2679,7 +2719,27 @@@ static int parse_tc_fdb_actions(struct break; case FLOW_ACTION_VLAN_PUSH: case FLOW_ACTION_VLAN_POP: - err = parse_tc_vlan_action(priv, act, attr, &action); + if (act->id == FLOW_ACTION_VLAN_PUSH && + (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { + /* Replace vlan pop+push with vlan modify */ + action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; + err = add_vlan_rewrite_action(priv, + MLX5_FLOW_NAMESPACE_FDB, + act, parse_attr, hdrs, + &action, extack); + } else { + err = parse_tc_vlan_action(priv, act, attr, &action); + } + if (err) + return err; + + attr->split_count = attr->out_count; + break; + case FLOW_ACTION_VLAN_MANGLE: + err = add_vlan_rewrite_action(priv, + MLX5_FLOW_NAMESPACE_FDB, + act, parse_attr, hdrs, + &action, extack); if (err) return err;

@@@ -2717,7 -2711,7 +2771,7 @@@

if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { - err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, + err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, parse_attr, hdrs, extack); if (err) return err; diff --combined drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 6c72f33f6d09,9b2d78ee22b8..fe770cd2151c --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@@ -1287,13 -1287,13 +1287,13 @@@ void esw_offloads_cleanup_reps(struct m

int esw_offloads_init_reps(struct mlx5_eswitch *esw) { - int total_vfs = MLX5_TOTAL_VPORTS(esw->dev); + int total_vports = MLX5_TOTAL_VPORTS(esw->dev); struct mlx5_core_dev *dev = esw->dev; struct mlx5_eswitch_rep *rep; u8 hw_id[ETH_ALEN], rep_type; int vport;

- esw->offloads.vport_reps = kcalloc(total_vfs, + esw->offloads.vport_reps = kcalloc(total_vports, sizeof(struct mlx5_eswitch_rep), GFP_KERNEL); if (!esw->offloads.vport_reps) @@@ -1523,6 -1523,8 +1523,6 @@@ static int mlx5_esw_offloads_pair(struc return 0; }

-void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw); - static void mlx5_esw_offloads_unpair(struct mlx5_eswitch *esw) { mlx5e_tc_clean_fdb_peer_flows(esw); @@@ -1609,6 -1611,7 +1609,7 @@@ static int esw_offloads_steering_init(s { int err;

+ memset(&esw->fdb_table.offloads, 0, sizeof(struct offloads_fdb)); mutex_init(&esw->fdb_table.offloads.fdb_prio_lock);

err = esw_create_offloads_fdb_tables(esw, nvports); diff --combined drivers/net/ethernet/netronome/nfp/flower/action.c index 6e2a6caec3fb,e336f6ee94f5..c56e31d9f8a4 --- a/drivers/net/ethernet/netronome/nfp/flower/action.c +++ b/drivers/net/ethernet/netronome/nfp/flower/action.c @@@ -48,8 -48,7 +48,7 @@@ nfp_fl_push_vlan(struct nfp_fl_push_vla

tmp_push_vlan_tci = FIELD_PREP(NFP_FL_PUSH_VLAN_PRIO, act->vlan.prio) | - FIELD_PREP(NFP_FL_PUSH_VLAN_VID, act->vlan.vid) | - NFP_FL_PUSH_VLAN_CFI; + FIELD_PREP(NFP_FL_PUSH_VLAN_VID, act->vlan.vid); push_vlan->vlan_tci = cpu_to_be16(tmp_push_vlan_tci); }

@@@ -161,9 -160,9 +160,9 @@@ nfp_fl_get_tun_from_act_l4_port(struct struct nfp_flower_priv *priv = app->priv;

switch (tun->key.tp_dst) { - case htons(NFP_FL_VXLAN_PORT): + case htons(IANA_VXLAN_UDP_PORT): return NFP_FL_TUNNEL_VXLAN; - case htons(NFP_FL_GENEVE_PORT): + case htons(GENEVE_UDP_PORT): if (priv->flower_ext_feats & NFP_FL_FEATS_GENEVE) return NFP_FL_TUNNEL_GENEVE; /* FALLTHROUGH */ @@@ -583,23 -582,60 +582,23 @@@ static u32 nfp_fl_csum_l4_to_flag(u8 ip } }

-static int -nfp_fl_pedit(const struct flow_action_entry *act, - struct tc_cls_flower_offload *flow, - char *nfp_action, int *a_len, u32 *csum_updated) -{ - struct flow_rule *rule = tc_cls_flower_offload_flow_rule(flow); +struct nfp_flower_pedit_acts { struct nfp_fl_set_ipv6_addr set_ip6_dst, set_ip6_src; struct nfp_fl_set_ipv6_tc_hl_fl set_ip6_tc_hl_fl; struct nfp_fl_set_ip4_ttl_tos set_ip_ttl_tos; struct nfp_fl_set_ip4_addrs set_ip_addr; - enum flow_action_mangle_base htype; struct nfp_fl_set_tport set_tport; struct nfp_fl_set_eth set_eth; +}; + +static int +nfp_fl_commit_mangle(struct tc_cls_flower_offload *flow, char *nfp_action, + int *a_len, struct nfp_flower_pedit_acts *set_act, + u32 *csum_updated) +{ + struct flow_rule *rule = tc_cls_flower_offload_flow_rule(flow); size_t act_size = 0; u8 ip_proto = 0; - u32 offset; - int err; - - memset(&set_ip6_tc_hl_fl, 0, sizeof(set_ip6_tc_hl_fl)); - memset(&set_ip_ttl_tos, 0, sizeof(set_ip_ttl_tos)); - memset(&set_ip6_dst, 0, sizeof(set_ip6_dst)); - memset(&set_ip6_src, 0, sizeof(set_ip6_src)); - memset(&set_ip_addr, 0, sizeof(set_ip_addr)); - memset(&set_tport, 0, sizeof(set_tport)); - memset(&set_eth, 0, sizeof(set_eth)); - - htype = act->mangle.htype; - offset = act->mangle.offset; - - switch (htype) { - case TCA_PEDIT_KEY_EX_HDR_TYPE_ETH: - err = nfp_fl_set_eth(act, offset, &set_eth); - break; - case TCA_PEDIT_KEY_EX_HDR_TYPE_IP4: - err = nfp_fl_set_ip4(act, offset, &set_ip_addr, - &set_ip_ttl_tos); - break; - case TCA_PEDIT_KEY_EX_HDR_TYPE_IP6: - err = nfp_fl_set_ip6(act, offset, &set_ip6_dst, - &set_ip6_src, &set_ip6_tc_hl_fl); - break; - case TCA_PEDIT_KEY_EX_HDR_TYPE_TCP: - err = nfp_fl_set_tport(act, offset, &set_tport, - NFP_FL_ACTION_OPCODE_SET_TCP); - break; - case TCA_PEDIT_KEY_EX_HDR_TYPE_UDP: - err = nfp_fl_set_tport(act, offset, &set_tport, - NFP_FL_ACTION_OPCODE_SET_UDP); - break; - default: - return -EOPNOTSUPP; - } - if (err) - return err;

if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { struct flow_match_basic match; @@@ -608,82 -644,77 +607,82 @@@ ip_proto = match.key->ip_proto; }

- if (set_eth.head.len_lw) { - act_size = sizeof(set_eth); - memcpy(nfp_action, &set_eth, act_size); + if (set_act->set_eth.head.len_lw) { + act_size = sizeof(set_act->set_eth); + memcpy(nfp_action, &set_act->set_eth, act_size); *a_len += act_size; } - if (set_ip_ttl_tos.head.len_lw) { + + if (set_act->set_ip_ttl_tos.head.len_lw) { nfp_action += act_size; - act_size = sizeof(set_ip_ttl_tos); - memcpy(nfp_action, &set_ip_ttl_tos, act_size); + act_size = sizeof(set_act->set_ip_ttl_tos); + memcpy(nfp_action, &set_act->set_ip_ttl_tos, act_size); *a_len += act_size;

/* Hardware will automatically fix IPv4 and TCP/UDP checksum. */ *csum_updated |= TCA_CSUM_UPDATE_FLAG_IPV4HDR | nfp_fl_csum_l4_to_flag(ip_proto); } - if (set_ip_addr.head.len_lw) { + + if (set_act->set_ip_addr.head.len_lw) { nfp_action += act_size; - act_size = sizeof(set_ip_addr); - memcpy(nfp_action, &set_ip_addr, act_size); + act_size = sizeof(set_act->set_ip_addr); + memcpy(nfp_action, &set_act->set_ip_addr, act_size); *a_len += act_size;

/* Hardware will automatically fix IPv4 and TCP/UDP checksum. */ *csum_updated |= TCA_CSUM_UPDATE_FLAG_IPV4HDR | nfp_fl_csum_l4_to_flag(ip_proto); } - if (set_ip6_tc_hl_fl.head.len_lw) { + + if (set_act->set_ip6_tc_hl_fl.head.len_lw) { nfp_action += act_size; - act_size = sizeof(set_ip6_tc_hl_fl); - memcpy(nfp_action, &set_ip6_tc_hl_fl, act_size); + act_size = sizeof(set_act->set_ip6_tc_hl_fl); + memcpy(nfp_action, &set_act->set_ip6_tc_hl_fl, act_size); *a_len += act_size;

/* Hardware will automatically fix TCP/UDP checksum. */ *csum_updated |= nfp_fl_csum_l4_to_flag(ip_proto); } - if (set_ip6_dst.head.len_lw && set_ip6_src.head.len_lw) { + + if (set_act->set_ip6_dst.head.len_lw && + set_act->set_ip6_src.head.len_lw) { /* TC compiles set src and dst IPv6 address as a single action, * the hardware requires this to be 2 separate actions. */ nfp_action += act_size; - act_size = sizeof(set_ip6_src); - memcpy(nfp_action, &set_ip6_src, act_size); + act_size = sizeof(set_act->set_ip6_src); + memcpy(nfp_action, &set_act->set_ip6_src, act_size); *a_len += act_size;

- act_size = sizeof(set_ip6_dst); - memcpy(&nfp_action[sizeof(set_ip6_src)], &set_ip6_dst, - act_size); + act_size = sizeof(set_act->set_ip6_dst); + memcpy(&nfp_action[sizeof(set_act->set_ip6_src)], + &set_act->set_ip6_dst, act_size); *a_len += act_size;

/* Hardware will automatically fix TCP/UDP checksum. */ *csum_updated |= nfp_fl_csum_l4_to_flag(ip_proto); - } else if (set_ip6_dst.head.len_lw) { + } else if (set_act->set_ip6_dst.head.len_lw) { nfp_action += act_size; - act_size = sizeof(set_ip6_dst); - memcpy(nfp_action, &set_ip6_dst, act_size); + act_size = sizeof(set_act->set_ip6_dst); + memcpy(nfp_action, &set_act->set_ip6_dst, act_size); *a_len += act_size;

/* Hardware will automatically fix TCP/UDP checksum. */ *csum_updated |= nfp_fl_csum_l4_to_flag(ip_proto); - } else if (set_ip6_src.head.len_lw) { + } else if (set_act->set_ip6_src.head.len_lw) { nfp_action += act_size; - act_size = sizeof(set_ip6_src); - memcpy(nfp_action, &set_ip6_src, act_size); + act_size = sizeof(set_act->set_ip6_src); + memcpy(nfp_action, &set_act->set_ip6_src, act_size); *a_len += act_size;

/* Hardware will automatically fix TCP/UDP checksum. */ *csum_updated |= nfp_fl_csum_l4_to_flag(ip_proto); } - if (set_tport.head.len_lw) { + if (set_act->set_tport.head.len_lw) { nfp_action += act_size; - act_size = sizeof(set_tport); - memcpy(nfp_action, &set_tport, act_size); + act_size = sizeof(set_act->set_tport); + memcpy(nfp_action, &set_act->set_tport, act_size); *a_len += act_size;

/* Hardware will automatically fix TCP/UDP checksum. */ @@@ -694,40 -725,7 +693,40 @@@ }

static int -nfp_flower_output_action(struct nfp_app *app, const struct flow_action_entry *act, +nfp_fl_pedit(const struct flow_action_entry *act, + struct tc_cls_flower_offload *flow, char *nfp_action, int *a_len, + u32 *csum_updated, struct nfp_flower_pedit_acts *set_act) +{ + enum flow_action_mangle_base htype; + u32 offset; + + htype = act->mangle.htype; + offset = act->mangle.offset; + + switch (htype) { + case TCA_PEDIT_KEY_EX_HDR_TYPE_ETH: + return nfp_fl_set_eth(act, offset, &set_act->set_eth); + case TCA_PEDIT_KEY_EX_HDR_TYPE_IP4: + return nfp_fl_set_ip4(act, offset, &set_act->set_ip_addr, + &set_act->set_ip_ttl_tos); + case TCA_PEDIT_KEY_EX_HDR_TYPE_IP6: + return nfp_fl_set_ip6(act, offset, &set_act->set_ip6_dst, + &set_act->set_ip6_src, + &set_act->set_ip6_tc_hl_fl); + case TCA_PEDIT_KEY_EX_HDR_TYPE_TCP: + return nfp_fl_set_tport(act, offset, &set_act->set_tport, + NFP_FL_ACTION_OPCODE_SET_TCP); + case TCA_PEDIT_KEY_EX_HDR_TYPE_UDP: + return nfp_fl_set_tport(act, offset, &set_act->set_tport, + NFP_FL_ACTION_OPCODE_SET_UDP); + default: + return -EOPNOTSUPP; + } +} + +static int +nfp_flower_output_action(struct nfp_app *app, + const struct flow_action_entry *act, struct nfp_fl_payload *nfp_fl, int *a_len, struct net_device *netdev, bool last, enum nfp_flower_tun_type *tun_type, int *tun_out_cnt, @@@ -777,8 -775,7 +776,8 @@@ nfp_flower_loop_action(struct nfp_app * struct nfp_fl_payload *nfp_fl, int *a_len, struct net_device *netdev, enum nfp_flower_tun_type *tun_type, int *tun_out_cnt, - int *out_cnt, u32 *csum_updated) + int *out_cnt, u32 *csum_updated, + struct nfp_flower_pedit_acts *set_act) { struct nfp_fl_set_ipv4_udp_tun *set_tun; struct nfp_fl_pre_tunnel *pre_tun; @@@ -863,7 -860,7 +862,7 @@@ return 0; case FLOW_ACTION_MANGLE: if (nfp_fl_pedit(act, flow, &nfp_fl->action_data[*a_len], - a_len, csum_updated)) + a_len, csum_updated, set_act)) return -EOPNOTSUPP; break; case FLOW_ACTION_CSUM: @@@ -883,49 -880,12 +882,49 @@@ return 0; }

+static bool nfp_fl_check_mangle_start(struct flow_action *flow_act, + int current_act_idx) +{ + struct flow_action_entry current_act; + struct flow_action_entry prev_act; + + current_act = flow_act->entries[current_act_idx]; + if (current_act.id != FLOW_ACTION_MANGLE) + return false; + + if (current_act_idx == 0) + return true; + + prev_act = flow_act->entries[current_act_idx - 1]; + + return prev_act.id != FLOW_ACTION_MANGLE; +} + +static bool nfp_fl_check_mangle_end(struct flow_action *flow_act, + int current_act_idx) +{ + struct flow_action_entry current_act; + struct flow_action_entry next_act; + + current_act = flow_act->entries[current_act_idx]; + if (current_act.id != FLOW_ACTION_MANGLE) + return false; + + if (current_act_idx == flow_act->num_entries) + return true; + + next_act = flow_act->entries[current_act_idx + 1]; + + return next_act.id != FLOW_ACTION_MANGLE; +} + int nfp_flower_compile_action(struct nfp_app *app, struct tc_cls_flower_offload *flow, struct net_device *netdev, struct nfp_fl_payload *nfp_flow) { int act_len, act_cnt, err, tun_out_cnt, out_cnt, i; + struct nfp_flower_pedit_acts set_act; enum nfp_flower_tun_type tun_type; struct flow_action_entry *act; u32 csum_updated = 0; @@@ -939,18 -899,12 +938,18 @@@ out_cnt = 0;

flow_action_for_each(i, act, &flow->rule->action) { + if (nfp_fl_check_mangle_start(&flow->rule->action, i)) + memset(&set_act, 0, sizeof(set_act)); err = nfp_flower_loop_action(app, act, flow, nfp_flow, &act_len, netdev, &tun_type, &tun_out_cnt, - &out_cnt, &csum_updated); + &out_cnt, &csum_updated, &set_act); if (err) return err; act_cnt++; + if (nfp_fl_check_mangle_end(&flow->rule->action, i)) + nfp_fl_commit_mangle(flow, + &nfp_flow->action_data[act_len], + &act_len, &set_act, &csum_updated); }

/* We optimise when the action list is small, this can unfortunately diff --combined drivers/net/ethernet/netronome/nfp/nfp_net_repr.c index c3ad083d36c6,94d228c04496..08e9bfa95f9b --- a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c @@@ -195,7 -195,7 +195,7 @@@ static netdev_tx_t nfp_repr_xmit(struc ret = dev_queue_xmit(skb); nfp_repr_inc_tx_stats(netdev, len, ret);

- return ret; + return NETDEV_TX_OK; }

static int nfp_repr_stop(struct net_device *netdev) @@@ -272,7 -272,8 +272,7 @@@ const struct net_device_ops nfp_repr_ne .ndo_fix_features = nfp_repr_fix_features, .ndo_set_features = nfp_port_set_features, .ndo_set_mac_address = eth_mac_addr, - .ndo_get_port_parent_id = nfp_port_get_port_parent_id, - .ndo_get_devlink = nfp_devlink_get_devlink, + .ndo_get_devlink_port = nfp_devlink_get_devlink_port, };

void @@@ -382,7 -383,7 +382,7 @@@ int nfp_repr_init(struct nfp_app *app, netdev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6); netdev->gso_max_segs = NFP_NET_LSO_MAX_SEGS;

- netdev->priv_flags |= IFF_NO_QUEUE; + netdev->priv_flags |= IFF_NO_QUEUE | IFF_DISABLE_NETPOLL; netdev->features |= NETIF_F_LLTX;

if (nfp_app_has_tc(app)) { diff --combined drivers/net/ethernet/realtek/r8169.c index a8ca26c2ae0c,19efa88f3f02..88eb9e05d2a1 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@@ -5460,7 -5460,7 +5460,7 @@@ static void rtl_hw_start_8168(struct rt tp->cp_cmd |= PktCntrDisable | INTT_1; RTL_W16(tp, CPlusCmd, tp->cp_cmd);

- RTL_W16(tp, IntrMitigate, 0x5151); + RTL_W16(tp, IntrMitigate, 0x5100);

/* Work around for RxFIFO overflow. */ if (tp->mac_version == RTL_GIGA_MAC_VER_11) { @@@ -6267,7 -6267,7 +6267,7 @@@ static netdev_tx_t rtl8169_start_xmit(s */ smp_mb(); if (rtl_tx_slots_avail(tp, MAX_SKB_FRAGS)) - netif_wake_queue(dev); + netif_start_queue(dev); }

return NETDEV_TX_OK; diff --combined drivers/net/hyperv/netvsc.c index 9a022539d305,e0dce373cdd9..fdbeb7070d42 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@@ -110,6 -110,7 +110,7 @@@ static struct netvsc_device *alloc_net_

init_waitqueue_head(&net_device->wait_drain); net_device->destroy = false; + net_device->tx_disable = false;

net_device->max_pkt = RNDIS_MAX_PKT_DEFAULT; net_device->pkt_align = RNDIS_PKT_ALIGN_DEFAULT; @@@ -719,7 -720,7 +720,7 @@@ static void netvsc_send_tx_complete(str } else { struct netdev_queue *txq = netdev_get_tx_queue(ndev, q_idx);

- if (netif_tx_queue_stopped(txq) && + if (netif_tx_queue_stopped(txq) && !net_device->tx_disable && (hv_get_avail_to_write_percent(&channel->outbound) > RING_AVAIL_PERCENT_HIWATER || queue_sends < 1)) { netif_tx_wake_queue(txq); @@@ -874,7 -875,8 +875,8 @@@ static inline int netvsc_send_pkt } else if (ret == -EAGAIN) { netif_tx_stop_queue(txq); ndev_ctx->eth_stats.stop_queue++; - if (atomic_read(&nvchan->queue_sends) < 1) { + if (atomic_read(&nvchan->queue_sends) < 1 && + !net_device->tx_disable) { netif_tx_wake_queue(txq); ndev_ctx->eth_stats.wake_queue++; ret = -ENOSPC; @@@ -964,7 -966,7 +966,7 @@@ int netvsc_send(struct net_device *ndev /* Keep aggregating only if stack says more data is coming * and not doing mixed modes send and not flow blocked */ - xmit_more = skb->xmit_more && + xmit_more = netdev_xmit_more() && !packet->cp_partial && !netif_xmit_stopped(netdev_get_tx_queue(ndev, packet->q_idx));

diff --combined drivers/net/hyperv/netvsc_drv.c index 1a08679f90ce,b20fb0fb595b..06393b215102 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@@ -109,6 -109,15 +109,15 @@@ static void netvsc_set_rx_mode(struct n rcu_read_unlock(); }

+ static void netvsc_tx_enable(struct netvsc_device *nvscdev, + struct net_device *ndev) + { + nvscdev->tx_disable = false; + virt_wmb(); /* ensure queue wake up mechanism is on */ + + netif_tx_wake_all_queues(ndev); + } + static int netvsc_open(struct net_device *net) { struct net_device_context *ndev_ctx = netdev_priv(net); @@@ -129,7 -138,7 +138,7 @@@ rdev = nvdev->extension; if (!rdev->link_state) { netif_carrier_on(net); - netif_tx_wake_all_queues(net); + netvsc_tx_enable(nvdev, net); }

if (vf_netdev) { @@@ -184,6 -193,17 +193,17 @@@ static int netvsc_wait_until_empty(stru } }

+ static void netvsc_tx_disable(struct netvsc_device *nvscdev, + struct net_device *ndev) + { + if (nvscdev) { + nvscdev->tx_disable = true; + virt_wmb(); /* ensure txq will not wake up after stop */ + } + + netif_tx_disable(ndev); + } + static int netvsc_close(struct net_device *net) { struct net_device_context *net_device_ctx = netdev_priv(net); @@@ -192,7 -212,7 +212,7 @@@ struct netvsc_device *nvdev = rtnl_dereference(net_device_ctx->nvdev); int ret;

- netif_tx_disable(net); + netvsc_tx_disable(nvdev, net);

/* No need to close rndis filter if it is removed already */ if (!nvdev) @@@ -308,7 -328,7 +328,7 @@@ static inline int netvsc_get_tx_queue(s * If a valid queue has already been assigned, then use that. * Otherwise compute tx queue based on hash and the send table. * - * This is basically similar to default (__netdev_pick_tx) with the added step + * This is basically similar to default (netdev_pick_tx) with the added step * of using the host send_table when no other queue has been assigned. * * TODO support XPS - but get_xps_queue not exported @@@ -331,7 -351,8 +351,7 @@@ static u16 netvsc_pick_tx(struct net_de }

static u16 netvsc_select_queue(struct net_device *ndev, struct sk_buff *skb, - struct net_device *sb_dev, - select_queue_fallback_t fallback) + struct net_device *sb_dev) { struct net_device_context *ndc = netdev_priv(ndev); struct net_device *vf_netdev; @@@ -343,9 -364,10 +363,9 @@@ const struct net_device_ops *vf_ops = vf_netdev->netdev_ops;

if (vf_ops->ndo_select_queue) - txq = vf_ops->ndo_select_queue(vf_netdev, skb, - sb_dev, fallback); + txq = vf_ops->ndo_select_queue(vf_netdev, skb, sb_dev); else - txq = fallback(vf_netdev, skb, NULL); + txq = netdev_pick_tx(vf_netdev, skb, NULL);

/* Record the queue selected by VF so that it can be * used for common case where VF has more queues than @@@ -918,7 -940,7 +938,7 @@@ static int netvsc_detach(struct net_dev

/* If device was up (receiving) then shutdown */ if (netif_running(ndev)) { - netif_tx_disable(ndev); + netvsc_tx_disable(nvdev, ndev);

ret = rndis_filter_close(nvdev); if (ret) { @@@ -1906,7 -1928,7 +1926,7 @@@ static void netvsc_link_change(struct w if (rdev->link_state) { rdev->link_state = false; netif_carrier_on(net); - netif_tx_wake_all_queues(net); + netvsc_tx_enable(net_device, net); } else { notify = true; } @@@ -1916,7 -1938,7 +1936,7 @@@ if (!rdev->link_state) { rdev->link_state = true; netif_carrier_off(net); - netif_tx_stop_all_queues(net); + netvsc_tx_disable(net_device, net); } kfree(event); break; @@@ -1925,7 -1947,7 +1945,7 @@@ if (!rdev->link_state) { rdev->link_state = true; netif_carrier_off(net); - netif_tx_stop_all_queues(net); + netvsc_tx_disable(net_device, net); event->event = RNDIS_STATUS_MEDIA_CONNECT; spin_lock_irqsave(&ndev_ctx->lock, flags); list_add(&event->list, &ndev_ctx->reconfig_events); diff --combined include/net/ip.h index aa09ae5f01a5,583526aad1d0..2d3cce7c3e8a --- a/include/net/ip.h +++ b/include/net/ip.h @@@ -38,10 -38,6 +38,10 @@@ #define IPV4_MAX_PMTU 65535U /* RFC 2675, Section 5.1 */ #define IPV4_MIN_MTU 68 /* RFC 791 */

+extern unsigned int sysctl_fib_sync_mem; +extern unsigned int sysctl_fib_sync_mem_min; +extern unsigned int sysctl_fib_sync_mem_max; + struct sock;

struct inet_skb_parm { @@@ -681,7 -677,7 +681,7 @@@ int ip_options_get_from_user(struct ne unsigned char __user *data, int optlen); void ip_options_undo(struct ip_options *opt); void ip_forward_options(struct sk_buff *skb); - int ip_options_rcv_srr(struct sk_buff *skb); + int ip_options_rcv_srr(struct sk_buff *skb, struct net_device *dev);

/* * Functions provided by ip_sockglue.c diff --combined include/net/sch_generic.h index 2269383c1399,a2b38b3deeca..0aea0e262452 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@@ -113,9 -113,6 +113,9 @@@ struct Qdisc

spinlock_t busylock ____cacheline_aligned_in_smp; spinlock_t seqlock; + + /* for NOLOCK qdisc, true if there are no enqueued skbs */ + bool empty; struct rcu_head rcu; };

@@@ -146,19 -143,11 +146,19 @@@ static inline bool qdisc_is_running(str return (raw_read_seqcount(&qdisc->running) & 1) ? true : false; }

+static inline bool qdisc_is_empty(const struct Qdisc *qdisc) +{ + if (qdisc->flags & TCQ_F_NOLOCK) + return qdisc->empty; + return !qdisc->q.qlen; +} + static inline bool qdisc_run_begin(struct Qdisc *qdisc) { if (qdisc->flags & TCQ_F_NOLOCK) { if (!spin_trylock(&qdisc->seqlock)) return false; + qdisc->empty = false; } else if (qdisc_is_running(qdisc)) { return false; } @@@ -934,6 -923,41 +934,41 @@@ static inline void qdisc_qstats_overlim sch->qstats.overlimits++; }

+ static inline int qdisc_qstats_copy(struct gnet_dump *d, struct Qdisc *sch) + { + __u32 qlen = qdisc_qlen_sum(sch); + + return gnet_stats_copy_queue(d, sch->cpu_qstats, &sch->qstats, qlen); + } + + static inline void qdisc_qstats_qlen_backlog(struct Qdisc *sch, __u32 *qlen, + __u32 *backlog) + { + struct gnet_stats_queue qstats = { 0 }; + __u32 len = qdisc_qlen_sum(sch); + + __gnet_stats_copy_queue(&qstats, sch->cpu_qstats, &sch->qstats, len); + *qlen = qstats.qlen; + *backlog = qstats.backlog; + } + + static inline void qdisc_tree_flush_backlog(struct Qdisc *sch) + { + __u32 qlen, backlog; + + qdisc_qstats_qlen_backlog(sch, &qlen, &backlog); + qdisc_tree_reduce_backlog(sch, qlen, backlog); + } + + static inline void qdisc_purge_queue(struct Qdisc *sch) + { + __u32 qlen, backlog; + + qdisc_qstats_qlen_backlog(sch, &qlen, &backlog); + qdisc_reset(sch); + qdisc_tree_reduce_backlog(sch, qlen, backlog); + } + static inline void qdisc_skb_head_init(struct qdisc_skb_head *qh) { qh->head = NULL; @@@ -1117,13 -1141,8 +1152,8 @@@ static inline struct Qdisc *qdisc_repla sch_tree_lock(sch); old = *pold; *pold = new; - if (old != NULL) { - unsigned int qlen = old->q.qlen; - unsigned int backlog = old->qstats.backlog; - - qdisc_reset(old); - qdisc_tree_reduce_backlog(old, qlen, backlog); - } + if (old != NULL) + qdisc_tree_flush_backlog(old); sch_tree_unlock(sch);

return old; diff --combined kernel/bpf/verifier.c index 2fe89138309a,6c5a41f7f338..b7ad8003c4e6 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@@ -377,8 -377,7 +377,8 @@@ static bool is_release_function(enum bp static bool is_acquire_function(enum bpf_func_id func_id) { return func_id == BPF_FUNC_sk_lookup_tcp || - func_id == BPF_FUNC_sk_lookup_udp; + func_id == BPF_FUNC_sk_lookup_udp || + func_id == BPF_FUNC_skc_lookup_tcp; }

static bool is_ptr_cast_function(enum bpf_func_id func_id) @@@ -1898,8 -1897,9 +1898,9 @@@ continue_func } frame++; if (frame >= MAX_CALL_FRAMES) { - WARN_ONCE(1, "verifier bug. Call stack is too deep\n"); - return -EFAULT; + verbose(env, "the call stack of %d frames is too deep !\n", + frame); + return -E2BIG; } goto process_func; } @@@ -3157,11 -3157,19 +3158,11 @@@ static int check_helper_call(struct bpf } else if (fn->ret_type == RET_PTR_TO_SOCKET_OR_NULL) { mark_reg_known_zero(env, regs, BPF_REG_0); regs[BPF_REG_0].type = PTR_TO_SOCKET_OR_NULL; - if (is_acquire_function(func_id)) { - int id = acquire_reference_state(env, insn_idx); - - if (id < 0) - return id; - /* For mark_ptr_or_null_reg() */ - regs[BPF_REG_0].id = id; - /* For release_reference() */ - regs[BPF_REG_0].ref_obj_id = id; - } else { - /* For mark_ptr_or_null_reg() */ - regs[BPF_REG_0].id = ++env->id_gen; - } + regs[BPF_REG_0].id = ++env->id_gen; + } else if (fn->ret_type == RET_PTR_TO_SOCK_COMMON_OR_NULL) { + mark_reg_known_zero(env, regs, BPF_REG_0); + regs[BPF_REG_0].type = PTR_TO_SOCK_COMMON_OR_NULL; + regs[BPF_REG_0].id = ++env->id_gen; } else if (fn->ret_type == RET_PTR_TO_TCP_SOCK_OR_NULL) { mark_reg_known_zero(env, regs, BPF_REG_0); regs[BPF_REG_0].type = PTR_TO_TCP_SOCK_OR_NULL; @@@ -3172,19 -3180,9 +3173,19 @@@ return -EINVAL; }

- if (is_ptr_cast_function(func_id)) + if (is_ptr_cast_function(func_id)) { /* For release_reference() */ regs[BPF_REG_0].ref_obj_id = meta.ref_obj_id; + } else if (is_acquire_function(func_id)) { + int id = acquire_reference_state(env, insn_idx); + + if (id < 0) + return id; + /* For mark_ptr_or_null_reg() */ + regs[BPF_REG_0].id = id; + /* For release_reference() */ + regs[BPF_REG_0].ref_obj_id = id; + }

do_refine_retval_range(regs, fn->ret_type, func_id, &meta);

diff --combined net/batman-adv/bat_v_elp.c index 13b9ab860a25,d5df0114f08a..2614a9caee00 --- a/net/batman-adv/bat_v_elp.c +++ b/net/batman-adv/bat_v_elp.c @@@ -2,6 -2,18 +2,6 @@@ /* Copyright (C) 2011-2019 B.A.T.M.A.N. contributors: * * Linus Lüssing, Marek Lindner - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see http://www.gnu.org/licenses/. */

#include "bat_v_elp.h" @@@ -92,8 -104,10 +92,10 @@@ static u32 batadv_v_elp_get_throughput(

ret = cfg80211_get_station(real_netdev, neigh->addr, &sinfo);

- /* free the TID stats immediately */ - cfg80211_sinfo_release_content(&sinfo); + if (!ret) { + /* free the TID stats immediately */ + cfg80211_sinfo_release_content(&sinfo); + }

dev_put(real_netdev); if (ret == -ENOENT) { diff --combined net/batman-adv/bridge_loop_avoidance.c index 8d6b7c9c2a7e,4fb01108e5f5..663a53b6d36e --- a/net/batman-adv/bridge_loop_avoidance.c +++ b/net/batman-adv/bridge_loop_avoidance.c @@@ -2,6 -2,18 +2,6 @@@ /* Copyright (C) 2011-2019 B.A.T.M.A.N. contributors: * * Simon Wunderlich - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see http://www.gnu.org/licenses/. */

#include "bridge_loop_avoidance.h" @@@ -47,6 -59,7 +47,6 @@@ #include "netlink.h" #include "originator.h" #include "soft-interface.h" -#include "sysfs.h" #include "translation-table.h"

static const u8 batadv_announce_mac[4] = {0x43, 0x05, 0x43, 0x05}; @@@ -790,6 -803,8 +790,8 @@@ static void batadv_bla_del_claim(struc const u8 *mac, const unsigned short vid) { struct batadv_bla_claim search_claim, *claim; + struct batadv_bla_claim *claim_removed_entry; + struct hlist_node *claim_removed_node;

ether_addr_copy(search_claim.addr, mac); search_claim.vid = vid; @@@ -800,10 -815,18 +802,18 @@@ batadv_dbg(BATADV_DBG_BLA, bat_priv, "%s(): %pM, vid %d\n", __func__, mac, batadv_print_vid(vid));

- batadv_hash_remove(bat_priv->bla.claim_hash, batadv_compare_claim, - batadv_choose_claim, claim); - batadv_claim_put(claim); /* reference from the hash is gone */ + claim_removed_node = batadv_hash_remove(bat_priv->bla.claim_hash, + batadv_compare_claim, + batadv_choose_claim, claim); + if (!claim_removed_node) + goto free_claim;

+ /* reference from the hash is gone */ + claim_removed_entry = hlist_entry(claim_removed_node, + struct batadv_bla_claim, hash_entry); + batadv_claim_put(claim_removed_entry); + + free_claim: /* don't need the reference from hash_find() anymore */ batadv_claim_put(claim); } diff --combined net/batman-adv/sysfs.c index ad14c8086fe7,208655cf6717..80fc3253c336 --- a/net/batman-adv/sysfs.c +++ b/net/batman-adv/sysfs.c @@@ -2,12 -2,23 +2,12 @@@ /* Copyright (C) 2010-2019 B.A.T.M.A.N. contributors: * * Marek Lindner - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see http://www.gnu.org/licenses/. */

#include "sysfs.h" #include "main.h"

+#include <asm/current.h> #include <linux/atomic.h> #include <linux/compiler.h> #include <linux/device.h> @@@ -23,7 -34,6 +23,7 @@@ #include <linux/rculist.h> #include <linux/rcupdate.h> #include <linux/rtnetlink.h> +#include <linux/sched.h> #include <linux/slab.h> #include <linux/stddef.h> #include <linux/string.h> @@@ -42,16 -52,6 +42,16 @@@ #include "network-coding.h" #include "soft-interface.h"

+/** + * batadv_sysfs_deprecated() - Log use of deprecated batadv sysfs access + * @attr: attribute which was accessed + */ +static void batadv_sysfs_deprecated(struct attribute *attr) +{ + pr_warn_ratelimited(DEPRECATED "%s (pid %d) Use of sysfs file "%s".\nUse batadv genl family instead", + current->comm, task_pid_nr(current), attr->name); +} + static struct net_device *batadv_kobj_to_netdev(struct kobject *obj) { struct device *dev = container_of(obj->parent, struct device, kobj); @@@ -114,6 -114,22 +114,6 @@@ batadv_kobj_to_vlan(struct batadv_priv return vlan; }

-#define BATADV_UEV_TYPE_VAR "BATTYPE=" -#define BATADV_UEV_ACTION_VAR "BATACTION=" -#define BATADV_UEV_DATA_VAR "BATDATA=" - -static char *batadv_uev_action_str[] = { - "add", - "del", - "change", - "loopdetect", -}; - -static char *batadv_uev_type_str[] = { - "gw", - "bla", -}; - /* Use this, if you have customized show and store functions for vlan attrs */ #define BATADV_ATTR_VLAN(_name, _mode, _show, _store) \ struct batadv_attribute batadv_attr_vlan_##_name = { \ @@@ -141,7 -157,6 +141,7 @@@ ssize_t batadv_store_##_name(struct kob struct batadv_priv *bat_priv = netdev_priv(net_dev); \ ssize_t length; \ \ + batadv_sysfs_deprecated(attr); \ length = __batadv_store_bool_attr(buff, count, _post_func, attr,\ &bat_priv->_name, net_dev); \ \ @@@ -156,7 -171,6 +156,7 @@@ ssize_t batadv_show_##_name(struct kobj { \ struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \ \ + batadv_sysfs_deprecated(attr); \ return sprintf(buff, "%s\n", \ atomic_read(&bat_priv->_name) == 0 ? \ "disabled" : "enabled"); \ @@@ -180,7 -194,6 +180,7 @@@ ssize_t batadv_store_##_name(struct kob struct batadv_priv *bat_priv = netdev_priv(net_dev); \ ssize_t length; \ \ + batadv_sysfs_deprecated(attr); \ length = __batadv_store_uint_attr(buff, count, _min, _max, \ _post_func, attr, \ &bat_priv->_var, net_dev, \ @@@ -197,7 -210,6 +197,7 @@@ ssize_t batadv_show_##_name(struct kobj { \ struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \ \ + batadv_sysfs_deprecated(attr); \ return sprintf(buff, "%i\n", atomic_read(&bat_priv->_var)); \ } \

@@@ -222,7 -234,6 +222,7 @@@ ssize_t batadv_store_vlan_##_name(struc attr, &vlan->_name, \ bat_priv->soft_iface); \ \ + batadv_sysfs_deprecated(attr); \ if (vlan->vid) \ batadv_netlink_notify_vlan(bat_priv, vlan); \ else \ @@@ -243,7 -254,6 +243,7 @@@ ssize_t batadv_show_vlan_##_name(struc atomic_read(&vlan->_name) == 0 ? \ "disabled" : "enabled"); \ \ + batadv_sysfs_deprecated(attr); \ batadv_softif_vlan_put(vlan); \ return res; \ } @@@ -265,7 -275,6 +265,7 @@@ ssize_t batadv_store_##_name(struct kob struct batadv_priv *bat_priv; \ ssize_t length; \ \ + batadv_sysfs_deprecated(attr); \ hard_iface = batadv_hardif_get_by_netdev(net_dev); \ if (!hard_iface) \ return 0; \ @@@ -293,7 -302,6 +293,7 @@@ ssize_t batadv_show_##_name(struct kobj struct batadv_hard_iface *hard_iface; \ ssize_t length; \ \ + batadv_sysfs_deprecated(attr); \ hard_iface = batadv_hardif_get_by_netdev(net_dev); \ if (!hard_iface) \ return 0; \ @@@ -438,7 -446,6 +438,7 @@@ static ssize_t batadv_show_bat_algo(str { struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);

+ batadv_sysfs_deprecated(attr); return sprintf(buff, "%s\n", bat_priv->algo_ops->name); }

@@@ -455,8 -462,6 +455,8 @@@ static ssize_t batadv_show_gw_mode(stru struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); int bytes_written;

+ batadv_sysfs_deprecated(attr); + /* GW mode is not available if the routing algorithm in use does not * implement the GW API */ @@@ -491,8 -496,6 +491,8 @@@ static ssize_t batadv_store_gw_mode(str char *curr_gw_mode_str; int gw_mode_tmp = -1;

+ batadv_sysfs_deprecated(attr); + /* toggling GW mode is allowed only if the routing algorithm in use * provides the GW API */ @@@ -567,8 -570,6 +567,8 @@@ static ssize_t batadv_show_gw_sel_class { struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);

+ batadv_sysfs_deprecated(attr); + /* GW selection class is not available if the routing algorithm in use * does not implement the GW API */ @@@ -589,8 -590,6 +589,8 @@@ static ssize_t batadv_store_gw_sel_clas struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); ssize_t length;

+ batadv_sysfs_deprecated(attr); + /* setting the GW selection class is allowed only if the routing * algorithm in use implements the GW API */ @@@ -621,8 -620,6 +621,8 @@@ static ssize_t batadv_show_gw_bwidth(st struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); u32 down, up;

+ batadv_sysfs_deprecated(attr); + down = atomic_read(&bat_priv->gw.bandwidth_down); up = atomic_read(&bat_priv->gw.bandwidth_up);

@@@ -638,8 -635,6 +638,8 @@@ static ssize_t batadv_store_gw_bwidth(s struct net_device *net_dev = batadv_kobj_to_netdev(kobj); ssize_t length;

+ batadv_sysfs_deprecated(attr); + if (buff[count - 1] == '\n') buff[count - 1] = '\0';

@@@ -664,7 -659,6 +664,7 @@@ static ssize_t batadv_show_isolation_ma { struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);

+ batadv_sysfs_deprecated(attr); return sprintf(buff, "%#.8x/%#.8x\n", bat_priv->isolation_mark, bat_priv->isolation_mark_mask); } @@@ -688,8 -682,6 +688,8 @@@ static ssize_t batadv_store_isolation_m u32 mark, mask; char *mask_ptr;

+ batadv_sysfs_deprecated(attr); + /* parse the mask if it has been specified, otherwise assume the mask is * the biggest possible */ @@@ -945,8 -937,6 +945,8 @@@ static ssize_t batadv_show_mesh_iface(s ssize_t length; const char *ifname;

+ batadv_sysfs_deprecated(attr); + hard_iface = batadv_hardif_get_by_netdev(net_dev); if (!hard_iface) return 0; @@@ -1051,8 -1041,6 +1051,8 @@@ static ssize_t batadv_store_mesh_iface( struct net_device *net_dev = batadv_kobj_to_netdev(kobj); struct batadv_store_mesh_work *store_work;

+ batadv_sysfs_deprecated(attr); + if (buff[count - 1] == '\n') buff[count - 1] = '\0';

@@@ -1084,8 -1072,6 +1084,8 @@@ static ssize_t batadv_show_iface_status struct batadv_hard_iface *hard_iface; ssize_t length;

+ batadv_sysfs_deprecated(attr); + hard_iface = batadv_hardif_get_by_netdev(net_dev); if (!hard_iface) return 0; @@@ -1130,15 -1116,13 +1130,15 @@@ static ssize_t batadv_store_throughput_ struct attribute *attr, char *buff, size_t count) { - struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); struct net_device *net_dev = batadv_kobj_to_netdev(kobj); struct batadv_hard_iface *hard_iface; + struct batadv_priv *bat_priv; u32 tp_override; u32 old_tp_override; bool ret;

+ batadv_sysfs_deprecated(attr); + hard_iface = batadv_hardif_get_by_netdev(net_dev); if (!hard_iface) return -EINVAL; @@@ -1163,7 -1147,10 +1163,10 @@@

atomic_set(&hard_iface->bat_v.throughput_override, tp_override);

- batadv_netlink_notify_hardif(bat_priv, hard_iface); + if (hard_iface->soft_iface) { + bat_priv = netdev_priv(hard_iface->soft_iface); + batadv_netlink_notify_hardif(bat_priv, hard_iface); + }

out: batadv_hardif_put(hard_iface); @@@ -1178,8 -1165,6 +1181,8 @@@ static ssize_t batadv_show_throughput_o struct batadv_hard_iface *hard_iface; u32 tp_override;

+ batadv_sysfs_deprecated(attr); + hard_iface = batadv_hardif_get_by_netdev(net_dev); if (!hard_iface) return -EINVAL; @@@ -1265,3 -1250,57 +1268,3 @@@ void batadv_sysfs_del_hardif(struct kob kobject_put(*hardif_obj); *hardif_obj = NULL; } - -/** - * batadv_throw_uevent() - Send an uevent with batman-adv specific env data - * @bat_priv: the bat priv with all the soft interface information - * @type: subsystem type of event. Stored in uevent's BATTYPE - * @action: action type of event. Stored in uevent's BATACTION - * @data: string with additional information to the event (ignored for - * BATADV_UEV_DEL). Stored in uevent's BATDATA - * - * Return: 0 on success or negative error number in case of failure - */ -int batadv_throw_uevent(struct batadv_priv *bat_priv, enum batadv_uev_type type, - enum batadv_uev_action action, const char *data) -{ - int ret = -ENOMEM; - struct kobject *bat_kobj; - char *uevent_env[4] = { NULL, NULL, NULL, NULL }; - - bat_kobj = &bat_priv->soft_iface->dev.kobj; - - uevent_env[0] = kasprintf(GFP_ATOMIC, - "%s%s", BATADV_UEV_TYPE_VAR, - batadv_uev_type_str[type]); - if (!uevent_env[0]) - goto out; - - uevent_env[1] = kasprintf(GFP_ATOMIC, - "%s%s", BATADV_UEV_ACTION_VAR, - batadv_uev_action_str[action]); - if (!uevent_env[1]) - goto out; - - /* If the event is DEL, ignore the data field */ - if (action != BATADV_UEV_DEL) { - uevent_env[2] = kasprintf(GFP_ATOMIC, - "%s%s", BATADV_UEV_DATA_VAR, data); - if (!uevent_env[2]) - goto out; - } - - ret = kobject_uevent_env(bat_kobj, KOBJ_CHANGE, uevent_env); -out: - kfree(uevent_env[0]); - kfree(uevent_env[1]); - kfree(uevent_env[2]); - - if (ret) - batadv_dbg(BATADV_DBG_BATMAN, bat_priv, - "Impossible to send uevent for (%s,%s,%s) event (err: %d)\n", - batadv_uev_type_str[type], - batadv_uev_action_str[action], - (action == BATADV_UEV_DEL ? "NULL" : data), ret); - return ret; -} diff --combined net/batman-adv/translation-table.c index 5d8bf8048e4e,26c4e2493ddf..1ddfd5e011ee --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@@ -2,6 -2,18 +2,6 @@@ /* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors: * * Marek Lindner, Simon Wunderlich, Antonio Quartulli - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see http://www.gnu.org/licenses/. */

#include "translation-table.h" @@@ -193,7 -205,7 +193,7 @@@ batadv_tt_local_hash_find(struct batadv * Return: a pointer to the corresponding tt_global_entry struct if the client * is found, NULL otherwise. */ -static struct batadv_tt_global_entry * +struct batadv_tt_global_entry * batadv_tt_global_hash_find(struct batadv_priv *bat_priv, const u8 *addr, unsigned short vid) { @@@ -288,7 -300,8 +288,7 @@@ static void batadv_tt_global_entry_rele * possibly release it * @tt_global_entry: tt_global_entry to be free'd */ -static void -batadv_tt_global_entry_put(struct batadv_tt_global_entry *tt_global_entry) +void batadv_tt_global_entry_put(struct batadv_tt_global_entry *tt_global_entry) { kref_put(&tt_global_entry->common.refcount, batadv_tt_global_entry_release); @@@ -603,14 -616,26 +603,26 @@@ static void batadv_tt_global_free(struc struct batadv_tt_global_entry *tt_global, const char *message) { + struct batadv_tt_global_entry *tt_removed_entry; + struct hlist_node *tt_removed_node; + batadv_dbg(BATADV_DBG_TT, bat_priv, "Deleting global tt entry %pM (vid: %d): %s\n", tt_global->common.addr, batadv_print_vid(tt_global->common.vid), message);

- batadv_hash_remove(bat_priv->tt.global_hash, batadv_compare_tt, - batadv_choose_tt, &tt_global->common); - batadv_tt_global_entry_put(tt_global); + tt_removed_node = batadv_hash_remove(bat_priv->tt.global_hash, + batadv_compare_tt, + batadv_choose_tt, + &tt_global->common); + if (!tt_removed_node) + return; + + /* drop reference of remove hash entry */ + tt_removed_entry = hlist_entry(tt_removed_node, + struct batadv_tt_global_entry, + common.hash_entry); + batadv_tt_global_entry_put(tt_removed_entry); }

/** @@@ -1324,9 -1349,10 +1336,10 @@@ u16 batadv_tt_local_remove(struct batad unsigned short vid, const char *message, bool roaming) { + struct batadv_tt_local_entry *tt_removed_entry; struct batadv_tt_local_entry *tt_local_entry; u16 flags, curr_flags = BATADV_NO_FLAGS; - void *tt_entry_exists; + struct hlist_node *tt_removed_node;

tt_local_entry = batadv_tt_local_hash_find(bat_priv, addr, vid); if (!tt_local_entry) @@@ -1355,15 -1381,18 +1368,18 @@@ */ batadv_tt_local_event(bat_priv, tt_local_entry, BATADV_TT_CLIENT_DEL);

- tt_entry_exists = batadv_hash_remove(bat_priv->tt.local_hash, + tt_removed_node = batadv_hash_remove(bat_priv->tt.local_hash, batadv_compare_tt, batadv_choose_tt, &tt_local_entry->common); - if (!tt_entry_exists) + if (!tt_removed_node) goto out;

- /* extra call to free the local tt entry */ - batadv_tt_local_entry_put(tt_local_entry); + /* drop reference of remove hash entry */ + tt_removed_entry = hlist_entry(tt_removed_node, + struct batadv_tt_local_entry, + common.hash_entry); + batadv_tt_local_entry_put(tt_removed_entry);

out: if (tt_local_entry) diff --combined net/bridge/br_multicast.c index afef6fc2c074,02da21d771c9..8d82107c6419 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@@ -65,6 -65,23 +65,6 @@@ static void br_ip6_multicast_leave_grou __u16 vid, const unsigned char *src); #endif

-static inline int br_ip_equal(const struct br_ip *a, const struct br_ip *b) -{ - if (a->proto != b->proto) - return 0; - if (a->vid != b->vid) - return 0; - switch (a->proto) { - case htons(ETH_P_IP): - return a->u.ip4 == b->u.ip4; -#if IS_ENABLED(CONFIG_IPV6) - case htons(ETH_P_IPV6): - return ipv6_addr_equal(&a->u.ip6, &b->u.ip6); -#endif - } - return 0; -} - static struct net_bridge_mdb_entry *br_mdb_ip_get_rcu(struct net_bridge *br, struct br_ip *dst) { @@@ -500,7 -517,7 +500,7 @@@ struct net_bridge_port_group *br_multic if (src) memcpy(p->eth_addr, src, ETH_ALEN); else - memset(p->eth_addr, 0xff, ETH_ALEN); + eth_broadcast_addr(p->eth_addr);

return p; } @@@ -584,6 -601,7 +584,7 @@@ static int br_ip4_multicast_add_group(s if (ipv4_is_local_multicast(group)) return 0;

+ memset(&br_group, 0, sizeof(br_group)); br_group.u.ip4 = group; br_group.proto = htons(ETH_P_IP); br_group.vid = vid; @@@ -1480,6 -1498,7 +1481,7 @@@ static void br_ip4_multicast_leave_grou

own_query = port ? &port->ip4_own_query : &br->ip4_own_query;

+ memset(&br_group, 0, sizeof(br_group)); br_group.u.ip4 = group; br_group.proto = htons(ETH_P_IP); br_group.vid = vid; @@@ -1503,6 -1522,7 +1505,7 @@@ static void br_ip6_multicast_leave_grou

own_query = port ? &port->ip6_own_query : &br->ip6_own_query;

+ memset(&br_group, 0, sizeof(br_group)); br_group.u.ip6 = *group; br_group.proto = htons(ETH_P_IPV6); br_group.vid = vid; @@@ -2172,7 -2192,7 +2175,7 @@@ int br_multicast_list_adjacent(struct n int count = 0;

rcu_read_lock(); - if (!br_ip_list || !br_port_exists(dev)) + if (!br_ip_list || !netif_is_bridge_port(dev)) goto unlock;

port = br_port_get_rcu(dev); @@@ -2219,7 -2239,7 +2222,7 @@@ bool br_multicast_has_querier_anywhere( bool ret = false;

rcu_read_lock(); - if (!br_port_exists(dev)) + if (!netif_is_bridge_port(dev)) goto unlock;

port = br_port_get_rcu(dev); @@@ -2255,7 -2275,7 +2258,7 @@@ bool br_multicast_has_querier_adjacent( bool ret = false;

rcu_read_lock(); - if (!br_port_exists(dev)) + if (!netif_is_bridge_port(dev)) goto unlock;

port = br_port_get_rcu(dev); diff --combined net/core/datagram.c index 0dafec5cada0,e657289db4ac..91bb5a083fee --- a/net/core/datagram.c +++ b/net/core/datagram.c @@@ -61,8 -61,6 +61,8 @@@ #include <trace/events/skb.h> #include <net/busy_poll.h>

+#include "datagram.h" + /* * Is a socket 'connection oriented' ? */ @@@ -281,7 -279,7 +281,7 @@@ struct sk_buff *__skb_try_recv_datagram break;

sk_busy_loop(sk, flags & MSG_DONTWAIT); - } while (!skb_queue_empty(&sk->sk_receive_queue)); + } while (sk->sk_receive_queue.prev != *last);

error = -EAGAIN;

@@@ -410,10 -408,10 +410,10 @@@ int skb_kill_datagram(struct sock *sk, } EXPORT_SYMBOL(skb_kill_datagram);

-int __skb_datagram_iter(const struct sk_buff *skb, int offset, - struct iov_iter *to, int len, bool fault_short, - size_t (*cb)(const void *, size_t, void *, struct iov_iter *), - void *data) +static int __skb_datagram_iter(const struct sk_buff *skb, int offset, + struct iov_iter *to, int len, bool fault_short, + size_t (*cb)(const void *, size_t, void *, + struct iov_iter *), void *data) { int start = skb_headlen(skb); int i, copy = start - offset, start_off = offset, n; diff --combined net/core/dev.c index a95782764360,fdcff29df915..b430f851f377 --- a/net/core/dev.c +++ b/net/core/dev.c @@@ -131,6 -131,7 +131,6 @@@ #include <trace/events/napi.h> #include <trace/events/net.h> #include <trace/events/skb.h> -#include <linux/pci.h> #include <linux/inetdevice.h> #include <linux/cpu_rmap.h> #include <linux/static_key.h> @@@ -145,7 -146,6 +145,7 @@@ #include <net/udp_tunnel.h> #include <linux/net_namespace.h> #include <linux/indirect_call_wrapper.h> +#include <net/devlink.h>

#include "net-sysfs.h"

@@@ -3468,15 -3468,6 +3468,15 @@@ static inline int __dev_xmit_skb(struc if (unlikely(test_bit(__QDISC_STATE_DEACTIVATED, &q->state))) { __qdisc_drop(skb, &to_free); rc = NET_XMIT_DROP; + } else if ((q->flags & TCQ_F_CAN_BYPASS) && q->empty && + qdisc_run_begin(q)) { + qdisc_bstats_cpu_update(q, skb); + + if (sch_direct_xmit(skb, q, dev, txq, NULL, true)) + __qdisc_run(q); + + qdisc_run_end(q); + rc = NET_XMIT_SUCCESS; } else { rc = q->enqueue(skb, q, &to_free) & NET_XMIT_MASK; qdisc_run(q); @@@ -3565,6 -3556,9 +3565,6 @@@ static void skb_update_prio(struct sk_b #define skb_update_prio(skb) #endif

-DEFINE_PER_CPU(int, xmit_recursion); -EXPORT_SYMBOL(xmit_recursion); - /** * dev_loopback_xmit - loop back @skb * @net: network namespace this loopback is happening in @@@ -3695,21 -3689,23 +3695,21 @@@ get_cpus_map }

u16 dev_pick_tx_zero(struct net_device *dev, struct sk_buff *skb, - struct net_device *sb_dev, - select_queue_fallback_t fallback) + struct net_device *sb_dev) { return 0; } EXPORT_SYMBOL(dev_pick_tx_zero);

u16 dev_pick_tx_cpu_id(struct net_device *dev, struct sk_buff *skb, - struct net_device *sb_dev, - select_queue_fallback_t fallback) + struct net_device *sb_dev) { return (u16)raw_smp_processor_id() % dev->real_num_tx_queues; } EXPORT_SYMBOL(dev_pick_tx_cpu_id);

-static u16 __netdev_pick_tx(struct net_device *dev, struct sk_buff *skb, - struct net_device *sb_dev) +u16 netdev_pick_tx(struct net_device *dev, struct sk_buff *skb, + struct net_device *sb_dev) { struct sock *sk = skb->sk; int queue_index = sk_tx_queue_get(sk); @@@ -3733,11 -3729,10 +3733,11 @@@

return queue_index; } +EXPORT_SYMBOL(netdev_pick_tx);

-struct netdev_queue *netdev_pick_tx(struct net_device *dev, - struct sk_buff *skb, - struct net_device *sb_dev) +struct netdev_queue *netdev_core_pick_tx(struct net_device *dev, + struct sk_buff *skb, + struct net_device *sb_dev) { int queue_index = 0;

@@@ -3752,9 -3747,10 +3752,9 @@@ const struct net_device_ops *ops = dev->netdev_ops;

if (ops->ndo_select_queue) - queue_index = ops->ndo_select_queue(dev, skb, sb_dev, - __netdev_pick_tx); + queue_index = ops->ndo_select_queue(dev, skb, sb_dev); else - queue_index = __netdev_pick_tx(dev, skb, sb_dev); + queue_index = netdev_pick_tx(dev, skb, sb_dev);

queue_index = netdev_cap_txqueue(dev, queue_index); } @@@ -3828,7 -3824,7 +3828,7 @@@ static int __dev_queue_xmit(struct sk_b else skb_dst_force(skb);

- txq = netdev_pick_tx(dev, skb, sb_dev); + txq = netdev_core_pick_tx(dev, skb, sb_dev); q = rcu_dereference_bh(txq->qdisc);

trace_net_dev_queue(skb); @@@ -3853,7 -3849,8 +3853,7 @@@ int cpu = smp_processor_id(); /* ok because BHs are off */

if (txq->xmit_lock_owner != cpu) { - if (unlikely(__this_cpu_read(xmit_recursion) > - XMIT_RECURSION_LIMIT)) + if (dev_xmit_recursion()) goto recursion_alert;

skb = validate_xmit_skb(skb, dev, &again); @@@ -3863,9 -3860,9 +3863,9 @@@ HARD_TX_LOCK(dev, txq, cpu);

if (!netif_xmit_stopped(txq)) { - __this_cpu_inc(xmit_recursion); + dev_xmit_recursion_inc(); skb = dev_hard_start_xmit(skb, dev, txq, &rc); - __this_cpu_dec(xmit_recursion); + dev_xmit_recursion_dec(); if (dev_xmit_complete(rc)) { HARD_TX_UNLOCK(dev, txq); goto out; @@@ -3978,9 -3975,9 +3978,9 @@@ EXPORT_SYMBOL(rps_sock_flow_table) u32 rps_cpu_mask __read_mostly; EXPORT_SYMBOL(rps_cpu_mask);

-struct static_key rps_needed __read_mostly; +struct static_key_false rps_needed __read_mostly; EXPORT_SYMBOL(rps_needed); -struct static_key rfs_needed __read_mostly; +struct static_key_false rfs_needed __read_mostly; EXPORT_SYMBOL(rfs_needed);

static struct rps_dev_flow * @@@ -4432,7 -4429,7 +4432,7 @@@ void generic_xdp_tx(struct sk_buff *skb bool free_skb = true; int cpu, rc;

- txq = netdev_pick_tx(dev, skb, NULL); + txq = netdev_core_pick_tx(dev, skb, NULL); cpu = smp_processor_id(); HARD_TX_LOCK(dev, txq, cpu); if (!netif_xmit_stopped(txq)) { @@@ -4506,7 -4503,7 +4506,7 @@@ static int netif_rx_internal(struct sk_ }

#ifdef CONFIG_RPS - if (static_key_false(&rps_needed)) { + if (static_branch_unlikely(&rps_needed)) { struct rps_dev_flow voidflow, *rflow = &voidflow; int cpu;

@@@ -5017,8 -5014,10 +5017,10 @@@ static inline void __netif_receive_skb_ if (pt_prev->list_func != NULL) pt_prev->list_func(head, pt_prev, orig_dev); else - list_for_each_entry_safe(skb, next, head, list) + list_for_each_entry_safe(skb, next, head, list) { + skb_list_del_init(skb); pt_prev->func(skb, skb->dev, pt_prev, orig_dev); + } }

static void __netif_receive_skb_list_core(struct list_head *head, bool pfmemalloc) @@@ -5175,7 -5174,7 +5177,7 @@@ static int netif_receive_skb_internal(s

rcu_read_lock(); #ifdef CONFIG_RPS - if (static_key_false(&rps_needed)) { + if (static_branch_unlikely(&rps_needed)) { struct rps_dev_flow voidflow, *rflow = &voidflow; int cpu = get_rps_cpu(skb->dev, skb, &rflow);

@@@ -5223,7 -5222,7 +5225,7 @@@ static void netif_receive_skb_list_inte

rcu_read_lock(); #ifdef CONFIG_RPS - if (static_key_false(&rps_needed)) { + if (static_branch_unlikely(&rps_needed)) { list_for_each_entry_safe(skb, next, head, list) { struct rps_dev_flow voidflow, *rflow = &voidflow; int cpu = get_rps_cpu(skb->dev, skb, &rflow); @@@ -7873,14 -7872,10 +7875,14 @@@ int dev_get_phys_port_name(struct net_d char *name, size_t len) { const struct net_device_ops *ops = dev->netdev_ops; + int err;

- if (!ops->ndo_get_phys_port_name) - return -EOPNOTSUPP; - return ops->ndo_get_phys_port_name(dev, name, len); + if (ops->ndo_get_phys_port_name) { + err = ops->ndo_get_phys_port_name(dev, name, len); + if (err != -EOPNOTSUPP) + return err; + } + return devlink_compat_phys_port_name_get(dev, name, len); } EXPORT_SYMBOL(dev_get_phys_port_name);

@@@ -7900,21 -7895,14 +7902,21 @@@ int dev_get_port_parent_id(struct net_d struct netdev_phys_item_id first = { }; struct net_device *lower_dev; struct list_head *iter; - int err = -EOPNOTSUPP; + int err;

- if (ops->ndo_get_port_parent_id) - return ops->ndo_get_port_parent_id(dev, ppid); + if (ops->ndo_get_port_parent_id) { + err = ops->ndo_get_port_parent_id(dev, ppid); + if (err != -EOPNOTSUPP) + return err; + }

- if (!recurse) + err = devlink_compat_switch_id_get(dev, ppid); + if (!err || err != -EOPNOTSUPP) return err;

+ if (!recurse) + return -EOPNOTSUPP; + netdev_for_each_lower_dev(dev, lower_dev, iter) { err = dev_get_port_parent_id(lower_dev, ppid, recurse); if (err) diff --combined net/core/ethtool.c index 387d67eb75ab,36ed619faf36..4a593853cbf2 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@@ -136,7 -136,6 +136,7 @@@ static const cha phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN] = { [ETHTOOL_ID_UNSPEC] = "Unspec", [ETHTOOL_PHY_DOWNSHIFT] = "phy-downshift", + [ETHTOOL_PHY_FAST_LINK_DOWN] = "phy-fast-link-down", };

static int ethtool_get_features(struct net_device *dev, void __user *useraddr) @@@ -1798,11 -1797,16 +1798,16 @@@ static int ethtool_get_strings(struct n WARN_ON_ONCE(!ret);

gstrings.len = ret; - data = vzalloc(array_size(gstrings.len, ETH_GSTRING_LEN)); - if (gstrings.len && !data) - return -ENOMEM;

- __ethtool_get_strings(dev, gstrings.string_set, data); + if (gstrings.len) { + data = vzalloc(array_size(gstrings.len, ETH_GSTRING_LEN)); + if (!data) + return -ENOMEM; + + __ethtool_get_strings(dev, gstrings.string_set, data); + } else { + data = NULL; + }

ret = -EFAULT; if (copy_to_user(useraddr, &gstrings, sizeof(gstrings))) @@@ -1898,11 -1902,15 +1903,15 @@@ static int ethtool_get_stats(struct net return -EFAULT;

stats.n_stats = n_stats; - data = vzalloc(array_size(n_stats, sizeof(u64))); - if (n_stats && !data) - return -ENOMEM;

- ops->get_ethtool_stats(dev, &stats, data); + if (n_stats) { + data = vzalloc(array_size(n_stats, sizeof(u64))); + if (!data) + return -ENOMEM; + ops->get_ethtool_stats(dev, &stats, data); + } else { + data = NULL; + }

ret = -EFAULT; if (copy_to_user(useraddr, &stats, sizeof(stats))) @@@ -1942,16 -1950,21 +1951,21 @@@ static int ethtool_get_phy_stats(struc return -EFAULT;

stats.n_stats = n_stats; - data = vzalloc(array_size(n_stats, sizeof(u64))); - if (n_stats && !data) - return -ENOMEM;

- if (dev->phydev && !ops->get_ethtool_phy_stats) { - ret = phy_ethtool_get_stats(dev->phydev, &stats, data); - if (ret < 0) - return ret; + if (n_stats) { + data = vzalloc(array_size(n_stats, sizeof(u64))); + if (!data) + return -ENOMEM; + + if (dev->phydev && !ops->get_ethtool_phy_stats) { + ret = phy_ethtool_get_stats(dev->phydev, &stats, data); + if (ret < 0) + goto out; + } else { + ops->get_ethtool_phy_stats(dev, &stats, data); + } } else { - ops->get_ethtool_phy_stats(dev, &stats, data); + data = NULL; }

ret = -EFAULT; @@@ -2433,7 -2446,6 +2447,7 @@@ static int ethtool_phy_tunable_valid(co { switch (tuna->id) { case ETHTOOL_PHY_DOWNSHIFT: + case ETHTOOL_PHY_FAST_LINK_DOWN: if (tuna->len != sizeof(u8) || tuna->type_id != ETHTOOL_TUNABLE_U8) return -EINVAL; diff --combined net/core/filter.c index 08b53af84132,fc92ebc4e200..8904e3407163 --- a/net/core/filter.c +++ b/net/core/filter.c @@@ -74,7 -74,6 +74,7 @@@ #include <net/seg6.h> #include <net/seg6_local.h> #include <net/lwtunnel.h> +#include <net/ipv6_stubs.h>

/** * sk_filter_trim_cap - run a packet through a socket filter @@@ -2016,7 -2015,7 +2016,7 @@@ static inline int __bpf_tx_skb(struct n { int ret;

- if (unlikely(__this_cpu_read(xmit_recursion) > XMIT_RECURSION_LIMIT)) { + if (dev_xmit_recursion()) { net_crit_ratelimited("bpf: recursion limit reached on datapath, buggy bpf program?\n"); kfree_skb(skb); return -ENETDOWN; @@@ -2024,9 -2023,9 +2024,9 @@@

skb->dev = dev;

- __this_cpu_inc(xmit_recursion); + dev_xmit_recursion_inc(); ret = dev_queue_xmit(skb); - __this_cpu_dec(xmit_recursion); + dev_xmit_recursion_dec();

return ret; } @@@ -2964,113 -2963,42 +2964,113 @@@ static u32 bpf_skb_net_base_len(const s } }

-static int bpf_skb_net_grow(struct sk_buff *skb, u32 len_diff) +#define BPF_F_ADJ_ROOM_ENCAP_L3_MASK (BPF_F_ADJ_ROOM_ENCAP_L3_IPV4 | \ + BPF_F_ADJ_ROOM_ENCAP_L3_IPV6) + +#define BPF_F_ADJ_ROOM_MASK (BPF_F_ADJ_ROOM_FIXED_GSO | \ + BPF_F_ADJ_ROOM_ENCAP_L3_MASK | \ + BPF_F_ADJ_ROOM_ENCAP_L4_GRE | \ + BPF_F_ADJ_ROOM_ENCAP_L4_UDP) + +static int bpf_skb_net_grow(struct sk_buff *skb, u32 off, u32 len_diff, + u64 flags) { - u32 off = skb_mac_header_len(skb) + bpf_skb_net_base_len(skb); + bool encap = flags & BPF_F_ADJ_ROOM_ENCAP_L3_MASK; + u16 mac_len = 0, inner_net = 0, inner_trans = 0; + unsigned int gso_type = SKB_GSO_DODGY; int ret;

- if (skb_is_gso(skb) && !skb_is_gso_tcp(skb)) - return -ENOTSUPP; + if (skb_is_gso(skb) && !skb_is_gso_tcp(skb)) { + /* udp gso_size delineates datagrams, only allow if fixed */ + if (!(skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) || + !(flags & BPF_F_ADJ_ROOM_FIXED_GSO)) + return -ENOTSUPP; + }

- ret = skb_cow(skb, len_diff); + ret = skb_cow_head(skb, len_diff); if (unlikely(ret < 0)) return ret;

+ if (encap) { + if (skb->protocol != htons(ETH_P_IP) && + skb->protocol != htons(ETH_P_IPV6)) + return -ENOTSUPP; + + if (flags & BPF_F_ADJ_ROOM_ENCAP_L3_IPV4 && + flags & BPF_F_ADJ_ROOM_ENCAP_L3_IPV6) + return -EINVAL; + + if (flags & BPF_F_ADJ_ROOM_ENCAP_L4_GRE && + flags & BPF_F_ADJ_ROOM_ENCAP_L4_UDP) + return -EINVAL; + + if (skb->encapsulation) + return -EALREADY; + + mac_len = skb->network_header - skb->mac_header; + inner_net = skb->network_header; + inner_trans = skb->transport_header; + } + ret = bpf_skb_net_hdr_push(skb, off, len_diff); if (unlikely(ret < 0)) return ret;

+ if (encap) { + /* inner mac == inner_net on l3 encap */ + skb->inner_mac_header = inner_net; + skb->inner_network_header = inner_net; + skb->inner_transport_header = inner_trans; + skb_set_inner_protocol(skb, skb->protocol); + + skb->encapsulation = 1; + skb_set_network_header(skb, mac_len); + + if (flags & BPF_F_ADJ_ROOM_ENCAP_L4_UDP) + gso_type |= SKB_GSO_UDP_TUNNEL; + else if (flags & BPF_F_ADJ_ROOM_ENCAP_L4_GRE) + gso_type |= SKB_GSO_GRE; + else if (flags & BPF_F_ADJ_ROOM_ENCAP_L3_IPV6) + gso_type |= SKB_GSO_IPXIP6; + else + gso_type |= SKB_GSO_IPXIP4; + + if (flags & BPF_F_ADJ_ROOM_ENCAP_L4_GRE || + flags & BPF_F_ADJ_ROOM_ENCAP_L4_UDP) { + int nh_len = flags & BPF_F_ADJ_ROOM_ENCAP_L3_IPV6 ? + sizeof(struct ipv6hdr) : + sizeof(struct iphdr); + + skb_set_transport_header(skb, mac_len + nh_len); + } + } + if (skb_is_gso(skb)) { struct skb_shared_info *shinfo = skb_shinfo(skb);

/* Due to header grow, MSS needs to be downgraded. */ - skb_decrease_gso_size(shinfo, len_diff); + if (!(flags & BPF_F_ADJ_ROOM_FIXED_GSO)) + skb_decrease_gso_size(shinfo, len_diff); + /* Header must be checked, and gso_segs recomputed. */ - shinfo->gso_type |= SKB_GSO_DODGY; + shinfo->gso_type |= gso_type; shinfo->gso_segs = 0; }

return 0; }

-static int bpf_skb_net_shrink(struct sk_buff *skb, u32 len_diff) +static int bpf_skb_net_shrink(struct sk_buff *skb, u32 off, u32 len_diff, + u64 flags) { - u32 off = skb_mac_header_len(skb) + bpf_skb_net_base_len(skb); int ret;

- if (skb_is_gso(skb) && !skb_is_gso_tcp(skb)) - return -ENOTSUPP; + if (skb_is_gso(skb) && !skb_is_gso_tcp(skb)) { + /* udp gso_size delineates datagrams, only allow if fixed */ + if (!(skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) || + !(flags & BPF_F_ADJ_ROOM_FIXED_GSO)) + return -ENOTSUPP; + }

ret = skb_unclone(skb, GFP_ATOMIC); if (unlikely(ret < 0)) @@@ -3084,9 -3012,7 +3084,9 @@@ struct skb_shared_info *shinfo = skb_shinfo(skb);

/* Due to header shrink, MSS can be upgraded. */ - skb_increase_gso_size(shinfo, len_diff); + if (!(flags & BPF_F_ADJ_ROOM_FIXED_GSO)) + skb_increase_gso_size(shinfo, len_diff); + /* Header must be checked, and gso_segs recomputed. */ shinfo->gso_type |= SKB_GSO_DODGY; shinfo->gso_segs = 0; @@@ -3101,50 -3027,49 +3101,50 @@@ static u32 __bpf_skb_max_len(const stru SKB_MAX_ALLOC; }

-static int bpf_skb_adjust_net(struct sk_buff *skb, s32 len_diff) +BPF_CALL_4(bpf_skb_adjust_room, struct sk_buff *, skb, s32, len_diff, + u32, mode, u64, flags) { - bool trans_same = skb->transport_header == skb->network_header; u32 len_cur, len_diff_abs = abs(len_diff); u32 len_min = bpf_skb_net_base_len(skb); u32 len_max = __bpf_skb_max_len(skb); __be16 proto = skb->protocol; bool shrink = len_diff < 0; + u32 off; int ret;

+ if (unlikely(flags & ~BPF_F_ADJ_ROOM_MASK)) + return -EINVAL; if (unlikely(len_diff_abs > 0xfffU)) return -EFAULT; if (unlikely(proto != htons(ETH_P_IP) && proto != htons(ETH_P_IPV6))) return -ENOTSUPP;

+ off = skb_mac_header_len(skb); + switch (mode) { + case BPF_ADJ_ROOM_NET: + off += bpf_skb_net_base_len(skb); + break; + case BPF_ADJ_ROOM_MAC: + break; + default: + return -ENOTSUPP; + } + len_cur = skb->len - skb_network_offset(skb); - if (skb_transport_header_was_set(skb) && !trans_same) - len_cur = skb_network_header_len(skb); if ((shrink && (len_diff_abs >= len_cur || len_cur - len_diff_abs < len_min)) || (!shrink && (skb->len + len_diff_abs > len_max && !skb_is_gso(skb)))) return -ENOTSUPP;

- ret = shrink ? bpf_skb_net_shrink(skb, len_diff_abs) : - bpf_skb_net_grow(skb, len_diff_abs); + ret = shrink ? bpf_skb_net_shrink(skb, off, len_diff_abs, flags) : + bpf_skb_net_grow(skb, off, len_diff_abs, flags);

bpf_compute_data_pointers(skb); return ret; }

-BPF_CALL_4(bpf_skb_adjust_room, struct sk_buff *, skb, s32, len_diff, - u32, mode, u64, flags) -{ - if (unlikely(flags)) - return -EINVAL; - if (likely(mode == BPF_ADJ_ROOM_NET)) - return bpf_skb_adjust_net(skb, len_diff); - - return -ENOTSUPP; -} - static const struct bpf_func_proto bpf_skb_adjust_room_proto = { .func = bpf_skb_adjust_room, .gpl_only = false, @@@ -4555,11 -4480,11 +4555,11 @@@ static int bpf_fib_set_fwd_params(struc static int bpf_ipv4_fib_lookup(struct net *net, struct bpf_fib_lookup *params, u32 flags, bool check_mtu) { + struct fib_nh_common *nhc; struct in_device *in_dev; struct neighbour *neigh; struct net_device *dev; struct fib_result res; - struct fib_nh *nh; struct flowi4 fl4; int err; u32 mtu; @@@ -4632,15 -4557,15 +4632,15 @@@ return BPF_FIB_LKUP_RET_FRAG_NEEDED; }

- nh = &res.fi->fib_nh[res.nh_sel]; + nhc = res.nhc;

/* do not handle lwt encaps right now */ - if (nh->nh_lwtstate) + if (nhc->nhc_lwtstate) return BPF_FIB_LKUP_RET_UNSUPP_LWT;

- dev = nh->nh_dev; - if (nh->nh_gw) - params->ipv4_dst = nh->nh_gw; + dev = nhc->nhc_dev; + if (nhc->nhc_has_gw) + params->ipv4_dst = nhc->nhc_gw.ipv4;

params->rt_metric = res.fi->fib_priority;

@@@ -4749,13 -4674,13 +4749,13 @@@ static int bpf_ipv6_fib_lookup(struct n return BPF_FIB_LKUP_RET_FRAG_NEEDED; }

- if (f6i->fib6_nh.nh_lwtstate) + if (f6i->fib6_nh.fib_nh_lws) return BPF_FIB_LKUP_RET_UNSUPP_LWT;

- if (f6i->fib6_flags & RTF_GATEWAY) - *dst = f6i->fib6_nh.nh_gw; + if (f6i->fib6_nh.fib_nh_has_gw) + *dst = f6i->fib6_nh.fib_nh_gw6;

- dev = f6i->fib6_nh.nh_dev; + dev = f6i->fib6_nh.fib_nh_dev; params->rt_metric = f6i->fib6_metric;

/* xdp and cls_bpf programs are run in RCU-bh so rcu_read_lock_bh is @@@ -5231,15 -5156,15 +5231,15 @@@ static struct sock *sk_lookup(struct ne return sk; }

-/* bpf_sk_lookup performs the core lookup for different types of sockets, +/* bpf_skc_lookup performs the core lookup for different types of sockets, * taking a reference on the socket if it doesn't have the flag SOCK_RCU_FREE. * Returns the socket as an 'unsigned long' to simplify the casting in the * callers to satisfy BPF_CALL declarations. */ -static unsigned long -__bpf_sk_lookup(struct sk_buff *skb, struct bpf_sock_tuple *tuple, u32 len, - struct net *caller_net, u32 ifindex, u8 proto, u64 netns_id, - u64 flags) +static struct sock * +__bpf_skc_lookup(struct sk_buff *skb, struct bpf_sock_tuple *tuple, u32 len, + struct net *caller_net, u32 ifindex, u8 proto, u64 netns_id, + u64 flags) { struct sock *sk = NULL; u8 family = AF_UNSPEC; @@@ -5267,27 -5192,15 +5267,27 @@@ put_net(net); }

+out: + return sk; +} + +static struct sock * +__bpf_sk_lookup(struct sk_buff *skb, struct bpf_sock_tuple *tuple, u32 len, + struct net *caller_net, u32 ifindex, u8 proto, u64 netns_id, + u64 flags) +{ + struct sock *sk = __bpf_skc_lookup(skb, tuple, len, caller_net, + ifindex, proto, netns_id, flags); + if (sk) sk = sk_to_full_sk(sk); -out: - return (unsigned long) sk; + + return sk; }

-static unsigned long -bpf_sk_lookup(struct sk_buff *skb, struct bpf_sock_tuple *tuple, u32 len, - u8 proto, u64 netns_id, u64 flags) +static struct sock * +bpf_skc_lookup(struct sk_buff *skb, struct bpf_sock_tuple *tuple, u32 len, + u8 proto, u64 netns_id, u64 flags) { struct net *caller_net; int ifindex; @@@ -5300,47 -5213,14 +5300,47 @@@ ifindex = 0; }

- return __bpf_sk_lookup(skb, tuple, len, caller_net, ifindex, - proto, netns_id, flags); + return __bpf_skc_lookup(skb, tuple, len, caller_net, ifindex, proto, + netns_id, flags); +} + +static struct sock * +bpf_sk_lookup(struct sk_buff *skb, struct bpf_sock_tuple *tuple, u32 len, + u8 proto, u64 netns_id, u64 flags) +{ + struct sock *sk = bpf_skc_lookup(skb, tuple, len, proto, netns_id, + flags); + + if (sk) + sk = sk_to_full_sk(sk); + + return sk; +} + +BPF_CALL_5(bpf_skc_lookup_tcp, struct sk_buff *, skb, + struct bpf_sock_tuple *, tuple, u32, len, u64, netns_id, u64, flags) +{ + return (unsigned long)bpf_skc_lookup(skb, tuple, len, IPPROTO_TCP, + netns_id, flags); }

+static const struct bpf_func_proto bpf_skc_lookup_tcp_proto = { + .func = bpf_skc_lookup_tcp, + .gpl_only = false, + .pkt_access = true, + .ret_type = RET_PTR_TO_SOCK_COMMON_OR_NULL, + .arg1_type = ARG_PTR_TO_CTX, + .arg2_type = ARG_PTR_TO_MEM, + .arg3_type = ARG_CONST_SIZE, + .arg4_type = ARG_ANYTHING, + .arg5_type = ARG_ANYTHING, +}; + BPF_CALL_5(bpf_sk_lookup_tcp, struct sk_buff *, skb, struct bpf_sock_tuple *, tuple, u32, len, u64, netns_id, u64, flags) { - return bpf_sk_lookup(skb, tuple, len, IPPROTO_TCP, netns_id, flags); + return (unsigned long)bpf_sk_lookup(skb, tuple, len, IPPROTO_TCP, + netns_id, flags); }

static const struct bpf_func_proto bpf_sk_lookup_tcp_proto = { @@@ -5358,8 -5238,7 +5358,8 @@@ BPF_CALL_5(bpf_sk_lookup_udp, struct sk_buff *, skb, struct bpf_sock_tuple *, tuple, u32, len, u64, netns_id, u64, flags) { - return bpf_sk_lookup(skb, tuple, len, IPPROTO_UDP, netns_id, flags); + return (unsigned long)bpf_sk_lookup(skb, tuple, len, IPPROTO_UDP, + netns_id, flags); }

static const struct bpf_func_proto bpf_sk_lookup_udp_proto = { @@@ -5394,9 -5273,8 +5394,9 @@@ BPF_CALL_5(bpf_xdp_sk_lookup_udp, struc struct net *caller_net = dev_net(ctx->rxq->dev); int ifindex = ctx->rxq->dev->ifindex;

- return __bpf_sk_lookup(NULL, tuple, len, caller_net, ifindex, - IPPROTO_UDP, netns_id, flags); + return (unsigned long)__bpf_sk_lookup(NULL, tuple, len, caller_net, + ifindex, IPPROTO_UDP, netns_id, + flags); }

static const struct bpf_func_proto bpf_xdp_sk_lookup_udp_proto = { @@@ -5411,38 -5289,14 +5411,38 @@@ .arg5_type = ARG_ANYTHING, };

+BPF_CALL_5(bpf_xdp_skc_lookup_tcp, struct xdp_buff *, ctx, + struct bpf_sock_tuple *, tuple, u32, len, u32, netns_id, u64, flags) +{ + struct net *caller_net = dev_net(ctx->rxq->dev); + int ifindex = ctx->rxq->dev->ifindex; + + return (unsigned long)__bpf_skc_lookup(NULL, tuple, len, caller_net, + ifindex, IPPROTO_TCP, netns_id, + flags); +} + +static const struct bpf_func_proto bpf_xdp_skc_lookup_tcp_proto = { + .func = bpf_xdp_skc_lookup_tcp, + .gpl_only = false, + .pkt_access = true, + .ret_type = RET_PTR_TO_SOCK_COMMON_OR_NULL, + .arg1_type = ARG_PTR_TO_CTX, + .arg2_type = ARG_PTR_TO_MEM, + .arg3_type = ARG_CONST_SIZE, + .arg4_type = ARG_ANYTHING, + .arg5_type = ARG_ANYTHING, +}; + BPF_CALL_5(bpf_xdp_sk_lookup_tcp, struct xdp_buff *, ctx, struct bpf_sock_tuple *, tuple, u32, len, u32, netns_id, u64, flags) { struct net *caller_net = dev_net(ctx->rxq->dev); int ifindex = ctx->rxq->dev->ifindex;

- return __bpf_sk_lookup(NULL, tuple, len, caller_net, ifindex, - IPPROTO_TCP, netns_id, flags); + return (unsigned long)__bpf_sk_lookup(NULL, tuple, len, caller_net, + ifindex, IPPROTO_TCP, netns_id, + flags); }

static const struct bpf_func_proto bpf_xdp_sk_lookup_tcp_proto = { @@@ -5457,31 -5311,11 +5457,31 @@@ .arg5_type = ARG_ANYTHING, };

+BPF_CALL_5(bpf_sock_addr_skc_lookup_tcp, struct bpf_sock_addr_kern *, ctx, + struct bpf_sock_tuple *, tuple, u32, len, u64, netns_id, u64, flags) +{ + return (unsigned long)__bpf_skc_lookup(NULL, tuple, len, + sock_net(ctx->sk), 0, + IPPROTO_TCP, netns_id, flags); +} + +static const struct bpf_func_proto bpf_sock_addr_skc_lookup_tcp_proto = { + .func = bpf_sock_addr_skc_lookup_tcp, + .gpl_only = false, + .ret_type = RET_PTR_TO_SOCK_COMMON_OR_NULL, + .arg1_type = ARG_PTR_TO_CTX, + .arg2_type = ARG_PTR_TO_MEM, + .arg3_type = ARG_CONST_SIZE, + .arg4_type = ARG_ANYTHING, + .arg5_type = ARG_ANYTHING, +}; + BPF_CALL_5(bpf_sock_addr_sk_lookup_tcp, struct bpf_sock_addr_kern *, ctx, struct bpf_sock_tuple *, tuple, u32, len, u64, netns_id, u64, flags) { - return __bpf_sk_lookup(NULL, tuple, len, sock_net(ctx->sk), 0, - IPPROTO_TCP, netns_id, flags); + return (unsigned long)__bpf_sk_lookup(NULL, tuple, len, + sock_net(ctx->sk), 0, IPPROTO_TCP, + netns_id, flags); }

static const struct bpf_func_proto bpf_sock_addr_sk_lookup_tcp_proto = { @@@ -5498,9 -5332,8 +5498,9 @@@ BPF_CALL_5(bpf_sock_addr_sk_lookup_udp, struct bpf_sock_addr_kern *, ctx, struct bpf_sock_tuple *, tuple, u32, len, u64, netns_id, u64, flags) { - return __bpf_sk_lookup(NULL, tuple, len, sock_net(ctx->sk), 0, - IPPROTO_UDP, netns_id, flags); + return (unsigned long)__bpf_sk_lookup(NULL, tuple, len, + sock_net(ctx->sk), 0, IPPROTO_UDP, + netns_id, flags); }

static const struct bpf_func_proto bpf_sock_addr_sk_lookup_udp_proto = { @@@ -5628,74 -5461,6 +5628,74 @@@ static const struct bpf_func_proto bpf_ .ret_type = RET_INTEGER, .arg1_type = ARG_PTR_TO_CTX, }; + +BPF_CALL_5(bpf_tcp_check_syncookie, struct sock *, sk, void *, iph, u32, iph_len, + struct tcphdr *, th, u32, th_len) +{ +#ifdef CONFIG_SYN_COOKIES + u32 cookie; + int ret; + + if (unlikely(th_len < sizeof(*th))) + return -EINVAL; + + /* sk_listener() allows TCP_NEW_SYN_RECV, which makes no sense here. */ + if (sk->sk_protocol != IPPROTO_TCP || sk->sk_state != TCP_LISTEN) + return -EINVAL; + + if (!sock_net(sk)->ipv4.sysctl_tcp_syncookies) + return -EINVAL; + + if (!th->ack || th->rst || th->syn) + return -ENOENT; + + if (tcp_synq_no_recent_overflow(sk)) + return -ENOENT; + + cookie = ntohl(th->ack_seq) - 1; + + switch (sk->sk_family) { + case AF_INET: + if (unlikely(iph_len < sizeof(struct iphdr))) + return -EINVAL; + + ret = __cookie_v4_check((struct iphdr *)iph, th, cookie); + break; + +#if IS_BUILTIN(CONFIG_IPV6) + case AF_INET6: + if (unlikely(iph_len < sizeof(struct ipv6hdr))) + return -EINVAL; + + ret = __cookie_v6_check((struct ipv6hdr *)iph, th, cookie); + break; +#endif /* CONFIG_IPV6 */ + + default: + return -EPROTONOSUPPORT; + } + + if (ret > 0) + return 0; + + return -ENOENT; +#else + return -ENOTSUPP; +#endif +} + +static const struct bpf_func_proto bpf_tcp_check_syncookie_proto = { + .func = bpf_tcp_check_syncookie, + .gpl_only = true, + .pkt_access = true, + .ret_type = RET_INTEGER, + .arg1_type = ARG_PTR_TO_SOCK_COMMON, + .arg2_type = ARG_PTR_TO_MEM, + .arg3_type = ARG_CONST_SIZE, + .arg4_type = ARG_PTR_TO_MEM, + .arg5_type = ARG_CONST_SIZE, +}; + #endif /* CONFIG_INET */

bool bpf_helper_changes_pkt_data(void *func) @@@ -5821,8 -5586,6 +5821,8 @@@ sock_addr_func_proto(enum bpf_func_id f return &bpf_sock_addr_sk_lookup_udp_proto; case BPF_FUNC_sk_release: return &bpf_sk_release_proto; + case BPF_FUNC_skc_lookup_tcp: + return &bpf_sock_addr_skc_lookup_tcp_proto; #endif /* CONFIG_INET */ default: return bpf_base_func_proto(func_id); @@@ -5956,12 -5719,6 +5956,12 @@@ tc_cls_act_func_proto(enum bpf_func_id return &bpf_tcp_sock_proto; case BPF_FUNC_get_listener_sock: return &bpf_get_listener_sock_proto; + case BPF_FUNC_skc_lookup_tcp: + return &bpf_skc_lookup_tcp_proto; + case BPF_FUNC_tcp_check_syncookie: + return &bpf_tcp_check_syncookie_proto; + case BPF_FUNC_skb_ecn_set_ce: + return &bpf_skb_ecn_set_ce_proto; #endif default: return bpf_base_func_proto(func_id); @@@ -5997,10 -5754,6 +5997,10 @@@ xdp_func_proto(enum bpf_func_id func_id return &bpf_xdp_sk_lookup_tcp_proto; case BPF_FUNC_sk_release: return &bpf_sk_release_proto; + case BPF_FUNC_skc_lookup_tcp: + return &bpf_xdp_skc_lookup_tcp_proto; + case BPF_FUNC_tcp_check_syncookie: + return &bpf_tcp_check_syncookie_proto; #endif default: return bpf_base_func_proto(func_id); @@@ -6093,8 -5846,6 +6093,8 @@@ sk_skb_func_proto(enum bpf_func_id func return &bpf_sk_lookup_udp_proto; case BPF_FUNC_sk_release: return &bpf_sk_release_proto; + case BPF_FUNC_skc_lookup_tcp: + return &bpf_skc_lookup_tcp_proto; #endif default: return bpf_base_func_proto(func_id); @@@ -6862,14 -6613,8 +6862,8 @@@ static bool flow_dissector_is_valid_acc const struct bpf_prog *prog, struct bpf_insn_access_aux *info) { - if (type == BPF_WRITE) { - switch (off) { - case bpf_ctx_range_till(struct __sk_buff, cb[0], cb[4]): - break; - default: - return false; - } - } + if (type == BPF_WRITE) + return false;

switch (off) { case bpf_ctx_range(struct __sk_buff, data): @@@ -6881,11 -6626,7 +6875,7 @@@ case bpf_ctx_range_ptr(struct __sk_buff, flow_keys): info->reg_type = PTR_TO_FLOW_KEYS; break; - case bpf_ctx_range(struct __sk_buff, tc_classid): - case bpf_ctx_range(struct __sk_buff, data_meta): - case bpf_ctx_range_till(struct __sk_buff, family, local_port): - case bpf_ctx_range(struct __sk_buff, tstamp): - case bpf_ctx_range(struct __sk_buff, wire_len): + default: return false; }

diff --combined net/core/flow_dissector.c index b4d581134ef2,94a450b2191a..795449713ba4 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@@ -707,6 -707,7 +707,7 @@@ bool __skb_flow_bpf_dissect(struct bpf_ /* Pass parameters to the BPF program */ memset(flow_keys, 0, sizeof(*flow_keys)); cb->qdisc_cb.flow_keys = flow_keys; + flow_keys->n_proto = skb->protocol; flow_keys->nhoff = skb_network_offset(skb); flow_keys->thoff = flow_keys->nhoff;

@@@ -716,7 -717,8 +717,8 @@@ /* Restore state */ memcpy(cb, &cb_saved, sizeof(cb_saved));

- flow_keys->nhoff = clamp_t(u16, flow_keys->nhoff, 0, skb->len); + flow_keys->nhoff = clamp_t(u16, flow_keys->nhoff, + skb_network_offset(skb), skb->len); flow_keys->thoff = clamp_t(u16, flow_keys->thoff, flow_keys->nhoff, skb->len);

@@@ -732,8 -734,6 +734,8 @@@ * @proto: protocol for which to get the flow, if @data is NULL use skb->protocol * @nhoff: network header offset, if @data is NULL use skb_network_offset(skb) * @hlen: packet header length, if @data is NULL use skb_headlen(skb) + * @flags: flags that control the dissection process, e.g. + * FLOW_DISSECTOR_F_STOP_AT_L3. * * The function will try to retrieve individual keys into target specified * by flow_dissector from either the skbuff or a raw buffer specified by the diff --combined net/core/skbuff.c index 4782f9354dd1,ef2cd5712098..9901f5322852 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@@ -77,8 -77,6 +77,8 @@@ #include <linux/capability.h> #include <linux/user_namespace.h>

+#include "datagram.h" + struct kmem_cache *skbuff_head_cache __ro_after_init; static struct kmem_cache *skbuff_fclone_cache __ro_after_init; #ifdef CONFIG_SKB_EXTENSIONS @@@ -1107,6 -1105,9 +1107,6 @@@ void sock_zerocopy_put_abort(struct ubu } EXPORT_SYMBOL_GPL(sock_zerocopy_put_abort);

-extern int __zerocopy_sg_from_iter(struct sock *sk, struct sk_buff *skb, - struct iov_iter *from, size_t length); - int skb_zerocopy_iter_dgram(struct sk_buff *skb, struct msghdr *msg, int len) { return __zerocopy_sg_from_iter(skb->sk, skb, &msg->msg_iter, len); @@@ -3800,7 -3801,7 +3800,7 @@@ int skb_gro_receive(struct sk_buff *p, unsigned int delta_truesize; struct sk_buff *lp;

- if (unlikely(p->len + len >= 65536)) + if (unlikely(p->len + len >= 65536 || NAPI_GRO_CB(skb)->flush)) return -E2BIG;

lp = NAPI_GRO_CB(p)->last; diff --combined net/ipv4/tcp_ipv4.c index 3979939804b7,2f8039a26b08..faa6fa619f59 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@@ -1774,7 -1774,6 +1774,7 @@@ static void tcp_v4_fill_cb(struct sk_bu int tcp_v4_rcv(struct sk_buff *skb) { struct net *net = dev_net(skb->dev); + struct sk_buff *skb_to_free; int sdif = inet_sdif(skb); const struct iphdr *iph; const struct tcphdr *th; @@@ -1906,17 -1905,11 +1906,17 @@@ process tcp_segs_in(tcp_sk(sk), skb); ret = 0; if (!sock_owned_by_user(sk)) { + skb_to_free = sk->sk_rx_skb_cache; + sk->sk_rx_skb_cache = NULL; ret = tcp_v4_do_rcv(sk, skb); - } else if (tcp_add_backlog(sk, skb)) { - goto discard_and_relse; + } else { + if (tcp_add_backlog(sk, skb)) + goto discard_and_relse; + skb_to_free = NULL; } bh_unlock_sock(sk); + if (skb_to_free) + __kfree_skb(skb_to_free);

put_and_return: if (refcounted) @@@ -2585,7 -2578,8 +2585,8 @@@ static void __net_exit tcp_sk_exit(stru { int cpu;

- module_put(net->ipv4.tcp_congestion_control->owner); + if (net->ipv4.tcp_congestion_control) + module_put(net->ipv4.tcp_congestion_control->owner);

for_each_possible_cpu(cpu) inet_ctl_sock_destroy(*per_cpu_ptr(net->ipv4.tcp_sk, cpu)); diff --combined net/openvswitch/flow_netlink.c index bd019058fc6f,4bdf5e3ac208..3563acd5f92e --- a/net/openvswitch/flow_netlink.c +++ b/net/openvswitch/flow_netlink.c @@@ -91,7 -91,6 +91,7 @@@ static bool actions_may_change_flow(con case OVS_ACTION_ATTR_SET: case OVS_ACTION_ATTR_SET_MASKED: case OVS_ACTION_ATTR_METER: + case OVS_ACTION_ATTR_CHECK_PKT_LEN: default: return true; } @@@ -404,7 -403,6 +404,7 @@@ static const struct ovs_len_tbl ovs_tun [OVS_TUNNEL_KEY_ATTR_IPV6_SRC] = { .len = sizeof(struct in6_addr) }, [OVS_TUNNEL_KEY_ATTR_IPV6_DST] = { .len = sizeof(struct in6_addr) }, [OVS_TUNNEL_KEY_ATTR_ERSPAN_OPTS] = { .len = OVS_ATTR_VARIABLE }, + [OVS_TUNNEL_KEY_ATTR_IPV4_INFO_BRIDGE] = { .len = 0 }, };

static const struct ovs_len_tbl @@@ -668,7 -666,6 +668,7 @@@ static int ip_tun_from_nlattr(const str bool log) { bool ttl = false, ipv4 = false, ipv6 = false; + bool info_bridge_mode = false; __be16 tun_flags = 0; int opts_type = 0; struct nlattr *a; @@@ -785,10 -782,6 +785,10 @@@ tun_flags |= TUNNEL_ERSPAN_OPT; opts_type = type; break; + case OVS_TUNNEL_KEY_ATTR_IPV4_INFO_BRIDGE: + info_bridge_mode = true; + ipv4 = true; + break; default: OVS_NLERR(log, "Unknown IP tunnel attribute %d", type); @@@ -819,29 -812,16 +819,29 @@@ OVS_NLERR(log, "IP tunnel dst address not specified"); return -EINVAL; } - if (ipv4 && !match->key->tun_key.u.ipv4.dst) { - OVS_NLERR(log, "IPv4 tunnel dst address is zero"); - return -EINVAL; + if (ipv4) { + if (info_bridge_mode) { + if (match->key->tun_key.u.ipv4.src || + match->key->tun_key.u.ipv4.dst || + match->key->tun_key.tp_src || + match->key->tun_key.tp_dst || + match->key->tun_key.ttl || + match->key->tun_key.tos || + tun_flags & ~TUNNEL_KEY) { + OVS_NLERR(log, "IPv4 tun info is not correct"); + return -EINVAL; + } + } else if (!match->key->tun_key.u.ipv4.dst) { + OVS_NLERR(log, "IPv4 tunnel dst address is zero"); + return -EINVAL; + } } if (ipv6 && ipv6_addr_any(&match->key->tun_key.u.ipv6.dst)) { OVS_NLERR(log, "IPv6 tunnel dst address is zero"); return -EINVAL; }

- if (!ttl) { + if (!ttl && !info_bridge_mode) { OVS_NLERR(log, "IP tunnel TTL not specified."); return -EINVAL; } @@@ -870,17 -850,12 +870,17 @@@ static int vxlan_opt_to_nlattr(struct s static int __ip_tun_to_nlattr(struct sk_buff *skb, const struct ip_tunnel_key *output, const void *tun_opts, int swkey_tun_opts_len, - unsigned short tun_proto) + unsigned short tun_proto, u8 mode) { if (output->tun_flags & TUNNEL_KEY && nla_put_be64(skb, OVS_TUNNEL_KEY_ATTR_ID, output->tun_id, OVS_TUNNEL_KEY_ATTR_PAD)) return -EMSGSIZE; + + if (mode & IP_TUNNEL_INFO_BRIDGE) + return nla_put_flag(skb, OVS_TUNNEL_KEY_ATTR_IPV4_INFO_BRIDGE) + ? -EMSGSIZE : 0; + switch (tun_proto) { case AF_INET: if (output->u.ipv4.src && @@@ -943,7 -918,7 +943,7 @@@ static int ip_tun_to_nlattr(struct sk_buff *skb, const struct ip_tunnel_key *output, const void *tun_opts, int swkey_tun_opts_len, - unsigned short tun_proto) + unsigned short tun_proto, u8 mode) { struct nlattr *nla; int err; @@@ -953,7 -928,7 +953,7 @@@ return -EMSGSIZE;

err = __ip_tun_to_nlattr(skb, output, tun_opts, swkey_tun_opts_len, - tun_proto); + tun_proto, mode); if (err) return err;

@@@ -967,7 -942,7 +967,7 @@@ int ovs_nla_put_tunnel_info(struct sk_b return __ip_tun_to_nlattr(skb, &tun_info->key, ip_tunnel_info_opts(tun_info), tun_info->options_len, - ip_tunnel_info_af(tun_info)); + ip_tunnel_info_af(tun_info), tun_info->mode); }

static int encode_vlan_from_nlattrs(struct sw_flow_match *match, @@@ -2005,7 -1980,7 +2005,7 @@@ static int __ovs_nla_put_key(const stru opts = TUN_METADATA_OPTS(output, swkey->tun_opts_len);

if (ip_tun_to_nlattr(skb, &output->tun_key, opts, - swkey->tun_opts_len, swkey->tun_proto)) + swkey->tun_opts_len, swkey->tun_proto, 0)) goto nla_put_failure; }

@@@ -2331,14 -2306,14 +2331,14 @@@ static struct nlattr *reserve_sfa_size(

struct sw_flow_actions *acts; int new_acts_size; - int req_size = NLA_ALIGN(attr_len); + size_t req_size = NLA_ALIGN(attr_len); int next_offset = offsetof(struct sw_flow_actions, actions) + (*sfa)->actions_len;

if (req_size <= (ksize(*sfa) - next_offset)) goto out;

- new_acts_size = ksize(*sfa) * 2; + new_acts_size = max(next_offset + req_size, ksize(*sfa) * 2);

if (new_acts_size > MAX_ACTIONS_BUFSIZE) { if ((MAX_ACTIONS_BUFSIZE - next_offset) < req_size) { @@@ -2630,8 -2605,6 +2630,8 @@@ static int validate_and_copy_set_tun(co tun_info->mode = IP_TUNNEL_INFO_TX; if (key.tun_proto == AF_INET6) tun_info->mode |= IP_TUNNEL_INFO_IPV6; + else if (key.tun_proto == AF_INET && key.tun_key.u.ipv4.dst == 0) + tun_info->mode |= IP_TUNNEL_INFO_BRIDGE; tun_info->key = key.tun_key;

/* We need to store the options in the action itself since @@@ -2865,87 -2838,6 +2865,87 @@@ static int validate_userspace(const str return 0; }

+static const struct nla_policy cpl_policy[OVS_CHECK_PKT_LEN_ATTR_MAX + 1] = { + [OVS_CHECK_PKT_LEN_ATTR_PKT_LEN] = {.type = NLA_U16 }, + [OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_GREATER] = {.type = NLA_NESTED }, + [OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_LESS_EQUAL] = {.type = NLA_NESTED }, +}; + +static int validate_and_copy_check_pkt_len(struct net *net, + const struct nlattr *attr, + const struct sw_flow_key *key, + struct sw_flow_actions **sfa, + __be16 eth_type, __be16 vlan_tci, + bool log, bool last) +{ + const struct nlattr *acts_if_greater, *acts_if_lesser_eq; + struct nlattr *a[OVS_CHECK_PKT_LEN_ATTR_MAX + 1]; + struct check_pkt_len_arg arg; + int nested_acts_start; + int start, err; + + err = nla_parse_strict(a, OVS_CHECK_PKT_LEN_ATTR_MAX, nla_data(attr), + nla_len(attr), cpl_policy, NULL); + if (err) + return err; + + if (!a[OVS_CHECK_PKT_LEN_ATTR_PKT_LEN] || + !nla_get_u16(a[OVS_CHECK_PKT_LEN_ATTR_PKT_LEN])) + return -EINVAL; + + acts_if_lesser_eq = a[OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_LESS_EQUAL]; + acts_if_greater = a[OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_GREATER]; + + /* Both the nested action should be present. */ + if (!acts_if_greater || !acts_if_lesser_eq) + return -EINVAL; + + /* validation done, copy the nested actions. */ + start = add_nested_action_start(sfa, OVS_ACTION_ATTR_CHECK_PKT_LEN, + log); + if (start < 0) + return start; + + arg.pkt_len = nla_get_u16(a[OVS_CHECK_PKT_LEN_ATTR_PKT_LEN]); + arg.exec_for_lesser_equal = + last || !actions_may_change_flow(acts_if_lesser_eq); + arg.exec_for_greater = + last || !actions_may_change_flow(acts_if_greater); + + err = ovs_nla_add_action(sfa, OVS_CHECK_PKT_LEN_ATTR_ARG, &arg, + sizeof(arg), log); + if (err) + return err; + + nested_acts_start = add_nested_action_start(sfa, + OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_LESS_EQUAL, log); + if (nested_acts_start < 0) + return nested_acts_start; + + err = __ovs_nla_copy_actions(net, acts_if_lesser_eq, key, sfa, + eth_type, vlan_tci, log); + + if (err) + return err; + + add_nested_action_end(*sfa, nested_acts_start); + + nested_acts_start = add_nested_action_start(sfa, + OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_GREATER, log); + if (nested_acts_start < 0) + return nested_acts_start; + + err = __ovs_nla_copy_actions(net, acts_if_greater, key, sfa, + eth_type, vlan_tci, log); + + if (err) + return err; + + add_nested_action_end(*sfa, nested_acts_start); + add_nested_action_end(*sfa, start); + return 0; +} + static int copy_action(const struct nlattr *from, struct sw_flow_actions **sfa, bool log) { @@@ -2992,7 -2884,6 +2992,7 @@@ static int __ovs_nla_copy_actions(struc [OVS_ACTION_ATTR_POP_NSH] = 0, [OVS_ACTION_ATTR_METER] = sizeof(u32), [OVS_ACTION_ATTR_CLONE] = (u32)-1, + [OVS_ACTION_ATTR_CHECK_PKT_LEN] = (u32)-1, }; const struct ovs_action_push_vlan *vlan; int type = nla_type(a); @@@ -3194,19 -3085,6 +3194,19 @@@ break; }

+ case OVS_ACTION_ATTR_CHECK_PKT_LEN: { + bool last = nla_is_last(a, rem); + + err = validate_and_copy_check_pkt_len(net, a, key, sfa, + eth_type, + vlan_tci, log, + last); + if (err) + return err; + skip_copy = true; + break; + } + default: OVS_NLERR(log, "Unknown Action type %d", type); return -EINVAL; @@@ -3305,75 -3183,6 +3305,75 @@@ static int clone_action_to_attr(const s return err; }

+static int check_pkt_len_action_to_attr(const struct nlattr *attr, + struct sk_buff *skb) +{ + struct nlattr *start, *ac_start = NULL; + const struct check_pkt_len_arg *arg; + const struct nlattr *a, *cpl_arg; + int err = 0, rem = nla_len(attr); + + start = nla_nest_start(skb, OVS_ACTION_ATTR_CHECK_PKT_LEN); + if (!start) + return -EMSGSIZE; + + /* The first nested attribute in 'attr' is always + * 'OVS_CHECK_PKT_LEN_ATTR_ARG'. + */ + cpl_arg = nla_data(attr); + arg = nla_data(cpl_arg); + + if (nla_put_u16(skb, OVS_CHECK_PKT_LEN_ATTR_PKT_LEN, arg->pkt_len)) { + err = -EMSGSIZE; + goto out; + } + + /* Second nested attribute in 'attr' is always + * 'OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_LESS_EQUAL'. + */ + a = nla_next(cpl_arg, &rem); + ac_start = nla_nest_start(skb, + OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_LESS_EQUAL); + if (!ac_start) { + err = -EMSGSIZE; + goto out; + } + + err = ovs_nla_put_actions(nla_data(a), nla_len(a), skb); + if (err) { + nla_nest_cancel(skb, ac_start); + goto out; + } else { + nla_nest_end(skb, ac_start); + } + + /* Third nested attribute in 'attr' is always + * OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_GREATER. + */ + a = nla_next(a, &rem); + ac_start = nla_nest_start(skb, + OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_GREATER); + if (!ac_start) { + err = -EMSGSIZE; + goto out; + } + + err = ovs_nla_put_actions(nla_data(a), nla_len(a), skb); + if (err) { + nla_nest_cancel(skb, ac_start); + goto out; + } else { + nla_nest_end(skb, ac_start); + } + + nla_nest_end(skb, start); + return 0; + +out: + nla_nest_cancel(skb, start); + return err; +} + static int set_action_to_attr(const struct nlattr *a, struct sk_buff *skb) { const struct nlattr *ovs_key = nla_data(a); @@@ -3393,7 -3202,7 +3393,7 @@@ err = ip_tun_to_nlattr(skb, &tun_info->key, ip_tunnel_info_opts(tun_info), tun_info->options_len, - ip_tunnel_info_af(tun_info)); + ip_tunnel_info_af(tun_info), tun_info->mode); if (err) return err; nla_nest_end(skb, start); @@@ -3468,12 -3277,6 +3468,12 @@@ int ovs_nla_put_actions(const struct nl return err; break;

+ case OVS_ACTION_ATTR_CHECK_PKT_LEN: + err = check_pkt_len_action_to_attr(a, skb); + if (err) + return err; + break; + default: if (nla_put(skb, type, nla_len(a), nla_data(a))) return -EMSGSIZE; diff --combined net/tls/tls_sw.c index 4f821edeeae6,20b191227969..4741edf4bb1e --- a/net/tls/tls_sw.c +++ b/net/tls/tls_sw.c @@@ -42,6 -42,8 +42,6 @@@ #include <net/strparser.h> #include <net/tls.h>

-#define MAX_IV_SIZE TLS_CIPHER_AES_GCM_128_IV_SIZE - static int __skb_nsg(struct sk_buff *skb, int offset, int len, unsigned int recursion_level) { @@@ -223,7 -225,7 +223,7 @@@ static int tls_do_decryption(struct soc /* Using skb->sk to push sk through to crypto async callback * handler. This allows propagating errors up to the socket * if needed. It _must_ be cleared in the async handler - * before kfree_skb is called. We _know_ skb->sk is NULL + * before consume_skb is called. We _know_ skb->sk is NULL * because it is a clone from strparser. */ skb->sk = sk; @@@ -477,18 -479,11 +477,18 @@@ static int tls_do_encryption(struct soc struct tls_rec *rec = ctx->open_rec; struct sk_msg *msg_en = &rec->msg_encrypted; struct scatterlist *sge = sk_msg_elem(msg_en, start); - int rc; + int rc, iv_offset = 0; + + /* For CCM based ciphers, first byte of IV is a constant */ + if (prot->cipher_type == TLS_CIPHER_AES_CCM_128) { + rec->iv_data[0] = TLS_AES_CCM_IV_B0_BYTE; + iv_offset = 1; + } + + memcpy(&rec->iv_data[iv_offset], tls_ctx->tx.iv, + prot->iv_size + prot->salt_size);

- memcpy(rec->iv_data, tls_ctx->tx.iv, sizeof(rec->iv_data)); - xor_iv_with_seq(prot->version, rec->iv_data, - tls_ctx->tx.rec_seq); + xor_iv_with_seq(prot->version, rec->iv_data, tls_ctx->tx.rec_seq);

sge->offset += prot->prepend_size; sge->length -= prot->prepend_size; @@@ -1349,7 -1344,6 +1349,7 @@@ static int decrypt_internal(struct soc struct scatterlist *sgout = NULL; const int data_len = rxm->full_len - prot->overhead_size + prot->tail_size; + int iv_offset = 0;

if (*zc && (out_iov || out_sg)) { if (out_iov) @@@ -1392,25 -1386,18 +1392,25 @@@ aad = (u8 *)(sgout + n_sgout); iv = aad + prot->aad_size;

+ /* For CCM based ciphers, first byte of nonce+iv is always '2' */ + if (prot->cipher_type == TLS_CIPHER_AES_CCM_128) { + iv[0] = 2; + iv_offset = 1; + } + /* Prepare IV */ err = skb_copy_bits(skb, rxm->offset + TLS_HEADER_SIZE, - iv + TLS_CIPHER_AES_GCM_128_SALT_SIZE, + iv + iv_offset + prot->salt_size, prot->iv_size); if (err < 0) { kfree(mem); return err; } if (prot->version == TLS_1_3_VERSION) - memcpy(iv, tls_ctx->rx.iv, crypto_aead_ivsize(ctx->aead_recv)); + memcpy(iv + iv_offset, tls_ctx->rx.iv, + crypto_aead_ivsize(ctx->aead_recv)); else - memcpy(iv, tls_ctx->rx.iv, TLS_CIPHER_AES_GCM_128_SALT_SIZE); + memcpy(iv + iv_offset, tls_ctx->rx.iv, prot->salt_size);

xor_iv_with_seq(prot->version, iv, tls_ctx->rx.rec_seq);

@@@ -1497,6 -1484,8 +1497,8 @@@ static int decrypt_skb_update(struct so

return err; } + } else { + *zc = false; }

rxm->full_len -= padding_length(ctx, tls_ctx, skb); @@@ -1535,7 -1524,7 +1537,7 @@@ static bool tls_sw_advance_skb(struct s rxm->full_len -= len; return false; } - kfree_skb(skb); + consume_skb(skb); }

/* Finished with message */ @@@ -1644,7 -1633,7 +1646,7 @@@ static int process_rx_list(struct tls_s

if (!is_peek) { skb_unlink(skb, &ctx->rx_list); - kfree_skb(skb); + consume_skb(skb); }

skb = next_skb; @@@ -2165,15 -2154,14 +2167,15 @@@ int tls_set_sw_offload(struct sock *sk struct tls_crypto_info *crypto_info; struct tls12_crypto_info_aes_gcm_128 *gcm_128_info; struct tls12_crypto_info_aes_gcm_256 *gcm_256_info; + struct tls12_crypto_info_aes_ccm_128 *ccm_128_info; struct tls_sw_context_tx *sw_ctx_tx = NULL; struct tls_sw_context_rx *sw_ctx_rx = NULL; struct cipher_context *cctx; struct crypto_aead **aead; struct strp_callbacks cb; - u16 nonce_size, tag_size, iv_size, rec_seq_size; + u16 nonce_size, tag_size, iv_size, rec_seq_size, salt_size; struct crypto_tfm *tfm; - char *iv, *rec_seq, *key, *salt; + char *iv, *rec_seq, *key, *salt, *cipher_name; size_t keysize; int rc = 0;

@@@ -2238,8 -2226,6 +2240,8 @@@ keysize = TLS_CIPHER_AES_GCM_128_KEY_SIZE; key = gcm_128_info->key; salt = gcm_128_info->salt; + salt_size = TLS_CIPHER_AES_GCM_128_SALT_SIZE; + cipher_name = "gcm(aes)"; break; } case TLS_CIPHER_AES_GCM_256: { @@@ -2255,25 -2241,6 +2257,25 @@@ keysize = TLS_CIPHER_AES_GCM_256_KEY_SIZE; key = gcm_256_info->key; salt = gcm_256_info->salt; + salt_size = TLS_CIPHER_AES_GCM_256_SALT_SIZE; + cipher_name = "gcm(aes)"; + break; + } + case TLS_CIPHER_AES_CCM_128: { + nonce_size = TLS_CIPHER_AES_CCM_128_IV_SIZE; + tag_size = TLS_CIPHER_AES_CCM_128_TAG_SIZE; + iv_size = TLS_CIPHER_AES_CCM_128_IV_SIZE; + iv = ((struct tls12_crypto_info_aes_ccm_128 *)crypto_info)->iv; + rec_seq_size = TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE; + rec_seq = + ((struct tls12_crypto_info_aes_ccm_128 *)crypto_info)->rec_seq; + ccm_128_info = + (struct tls12_crypto_info_aes_ccm_128 *)crypto_info; + keysize = TLS_CIPHER_AES_CCM_128_KEY_SIZE; + key = ccm_128_info->key; + salt = ccm_128_info->salt; + salt_size = TLS_CIPHER_AES_CCM_128_SALT_SIZE; + cipher_name = "ccm(aes)"; break; } default: @@@ -2303,16 -2270,16 +2305,16 @@@ prot->overhead_size = prot->prepend_size + prot->tag_size + prot->tail_size; prot->iv_size = iv_size; - cctx->iv = kmalloc(iv_size + TLS_CIPHER_AES_GCM_128_SALT_SIZE, - GFP_KERNEL); + prot->salt_size = salt_size; + cctx->iv = kmalloc(iv_size + salt_size, GFP_KERNEL); if (!cctx->iv) { rc = -ENOMEM; goto free_priv; } /* Note: 128 & 256 bit salt are the same size */ - memcpy(cctx->iv, salt, TLS_CIPHER_AES_GCM_128_SALT_SIZE); - memcpy(cctx->iv + TLS_CIPHER_AES_GCM_128_SALT_SIZE, iv, iv_size); prot->rec_seq_size = rec_seq_size; + memcpy(cctx->iv, salt, salt_size); + memcpy(cctx->iv + salt_size, iv, iv_size); cctx->rec_seq = kmemdup(rec_seq, rec_seq_size, GFP_KERNEL); if (!cctx->rec_seq) { rc = -ENOMEM; @@@ -2320,7 -2287,7 +2322,7 @@@ }

if (!*aead) { - *aead = crypto_alloc_aead("gcm(aes)", 0, 0); + *aead = crypto_alloc_aead(cipher_name, 0, 0); if (IS_ERR(*aead)) { rc = PTR_ERR(*aead); *aead = NULL;