diff options
49 files changed, 372 insertions, 193 deletions
diff --git a/Documentation/networking/ppp_generic.txt b/Documentation/networking/ppp_generic.txt index 091d20273dcb..61daf4b39600 100644 --- a/Documentation/networking/ppp_generic.txt +++ b/Documentation/networking/ppp_generic.txt @@ -300,12 +300,6 @@ unattached instance are: The ioctl calls available on an instance of /dev/ppp attached to a channel are: -* PPPIOCDETACH detaches the instance from the channel. This ioctl is - deprecated since the same effect can be achieved by closing the - instance. In order to prevent possible races this ioctl will fail - with an EINVAL error if more than one file descriptor refers to this - instance (i.e. as a result of dup(), dup2() or fork()). - * PPPIOCCONNECT connects this channel to a PPP interface. The argument should point to an int containing the interface unit number. It will return an EINVAL error if the channel is already diff --git a/MAINTAINERS b/MAINTAINERS index a9ca122957e9..8f57c1e63d19 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2332,7 +2332,7 @@ F: drivers/gpio/gpio-ath79.c F: Documentation/devicetree/bindings/gpio/gpio-ath79.txt ATHEROS ATH GENERIC UTILITIES -M: "Luis R. Rodriguez" <mcgrof@do-not-panic.com> +M: Kalle Valo <kvalo@codeaurora.org> L: linux-wireless@vger.kernel.org S: Supported F: drivers/net/wireless/ath/* @@ -2347,7 +2347,7 @@ S: Maintained F: drivers/net/wireless/ath/ath5k/ ATHEROS ATH6KL WIRELESS DRIVER -M: Kalle Valo <kvalo@qca.qualcomm.com> +M: Kalle Valo <kvalo@codeaurora.org> L: linux-wireless@vger.kernel.org W: http://wireless.kernel.org/en/users/Drivers/ath6kl T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git @@ -11626,7 +11626,7 @@ S: Maintained F: drivers/media/tuners/qt1010* QUALCOMM ATHEROS ATH10K WIRELESS DRIVER -M: Kalle Valo <kvalo@qca.qualcomm.com> +M: Kalle Valo <kvalo@codeaurora.org> L: ath10k@lists.infradead.org W: http://wireless.kernel.org/en/users/Drivers/ath10k T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git @@ -11677,7 +11677,7 @@ S: Maintained F: drivers/media/platform/qcom/venus/ QUALCOMM WCN36XX WIRELESS DRIVER -M: Eugene Krasnikov <k.eugene.e@gmail.com> +M: Kalle Valo <kvalo@codeaurora.org> L: wcn36xx@lists.infradead.org W: http://wireless.kernel.org/en/users/Drivers/wcn36xx T: git git://github.com/KrasnikovEugene/wcn36xx.git diff --git a/drivers/bcma/driver_mips.c b/drivers/bcma/driver_mips.c index f040aba48d50..27e9686b6d3a 100644 --- a/drivers/bcma/driver_mips.c +++ b/drivers/bcma/driver_mips.c @@ -184,7 +184,7 @@ static void bcma_core_mips_print_irq(struct bcma_device *dev, unsigned int irq) { int i; static const char *irq_name[] = {"2(S)", "3", "4", "5", "6", "D", "I"}; - char interrupts[20]; + char interrupts[25]; char *ints = interrupts; for (i = 0; i < ARRAY_SIZE(irq_name); i++) diff --git a/drivers/isdn/hardware/eicon/diva.c b/drivers/isdn/hardware/eicon/diva.c index 944a7f338099..1b25d8bc153a 100644 --- a/drivers/isdn/hardware/eicon/diva.c +++ b/drivers/isdn/hardware/eicon/diva.c @@ -388,10 +388,10 @@ void divasa_xdi_driver_unload(void) ** Receive and process command from user mode utility */ void *diva_xdi_open_adapter(void *os_handle, const void __user *src, - int length, + int length, void *mptr, divas_xdi_copy_from_user_fn_t cp_fn) { - diva_xdi_um_cfg_cmd_t msg; + diva_xdi_um_cfg_cmd_t *msg = (diva_xdi_um_cfg_cmd_t *)mptr; diva_os_xdi_adapter_t *a = NULL; diva_os_spin_lock_magic_t old_irql; struct list_head *tmp; @@ -401,21 +401,21 @@ void *diva_xdi_open_adapter(void *os_handle, const void __user *src, length, sizeof(diva_xdi_um_cfg_cmd_t))) return NULL; } - if ((*cp_fn) (os_handle, &msg, src, sizeof(msg)) <= 0) { + if ((*cp_fn) (os_handle, msg, src, sizeof(*msg)) <= 0) { DBG_ERR(("A: A(?) open, write error")) return NULL; } diva_os_enter_spin_lock(&adapter_lock, &old_irql, "open_adapter"); list_for_each(tmp, &adapter_queue) { a = list_entry(tmp, diva_os_xdi_adapter_t, link); - if (a->controller == (int)msg.adapter) + if (a->controller == (int)msg->adapter) break; a = NULL; } diva_os_leave_spin_lock(&adapter_lock, &old_irql, "open_adapter"); if (!a) { - DBG_ERR(("A: A(%d) open, adapter not found", msg.adapter)) + DBG_ERR(("A: A(%d) open, adapter not found", msg->adapter)) } return (a); @@ -437,8 +437,10 @@ void diva_xdi_close_adapter(void *adapter, void *os_handle) int diva_xdi_write(void *adapter, void *os_handle, const void __user *src, - int length, divas_xdi_copy_from_user_fn_t cp_fn) + int length, void *mptr, + divas_xdi_copy_from_user_fn_t cp_fn) { + diva_xdi_um_cfg_cmd_t *msg = (diva_xdi_um_cfg_cmd_t *)mptr; diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) adapter; void *data; @@ -459,7 +461,13 @@ diva_xdi_write(void *adapter, void *os_handle, const void __user *src, return (-2); } - length = (*cp_fn) (os_handle, data, src, length); + if (msg) { + *(diva_xdi_um_cfg_cmd_t *)data = *msg; + length = (*cp_fn) (os_handle, (char *)data + sizeof(*msg), + src + sizeof(*msg), length - sizeof(*msg)); + } else { + length = (*cp_fn) (os_handle, data, src, length); + } if (length > 0) { if ((*(a->interface.cmd_proc)) (a, (diva_xdi_um_cfg_cmd_t *) data, length)) { diff --git a/drivers/isdn/hardware/eicon/diva.h b/drivers/isdn/hardware/eicon/diva.h index b067032093a8..1ad76650fbf9 100644 --- a/drivers/isdn/hardware/eicon/diva.h +++ b/drivers/isdn/hardware/eicon/diva.h @@ -20,10 +20,11 @@ int diva_xdi_read(void *adapter, void *os_handle, void __user *dst, int max_length, divas_xdi_copy_to_user_fn_t cp_fn); int diva_xdi_write(void *adapter, void *os_handle, const void __user *src, - int length, divas_xdi_copy_from_user_fn_t cp_fn); + int length, void *msg, + divas_xdi_copy_from_user_fn_t cp_fn); void *diva_xdi_open_adapter(void *os_handle, const void __user *src, - int length, + int length, void *msg, divas_xdi_copy_from_user_fn_t cp_fn); void diva_xdi_close_adapter(void *adapter, void *os_handle); diff --git a/drivers/isdn/hardware/eicon/divasmain.c b/drivers/isdn/hardware/eicon/divasmain.c index b9980e84f9db..b6a3950b2564 100644 --- a/drivers/isdn/hardware/eicon/divasmain.c +++ b/drivers/isdn/hardware/eicon/divasmain.c @@ -591,19 +591,22 @@ static int divas_release(struct inode *inode, struct file *file) static ssize_t divas_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { + diva_xdi_um_cfg_cmd_t msg; int ret = -EINVAL; if (!file->private_data) { file->private_data = diva_xdi_open_adapter(file, buf, - count, + count, &msg, xdi_copy_from_user); - } - if (!file->private_data) { - return (-ENODEV); + if (!file->private_data) + return (-ENODEV); + ret = diva_xdi_write(file->private_data, file, + buf, count, &msg, xdi_copy_from_user); + } else { + ret = diva_xdi_write(file->private_data, file, + buf, count, NULL, xdi_copy_from_user); } - ret = diva_xdi_write(file->private_data, file, - buf, count, xdi_copy_from_user); switch (ret) { case -1: /* Message should be removed from rx mailbox first */ ret = -EBUSY; @@ -622,11 +625,12 @@ static ssize_t divas_write(struct file *file, const char __user *buf, static ssize_t divas_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { + diva_xdi_um_cfg_cmd_t msg; int ret = -EINVAL; if (!file->private_data) { file->private_data = diva_xdi_open_adapter(file, buf, - count, + count, &msg, xdi_copy_from_user); } if (!file->private_data) { diff --git a/drivers/net/ethernet/amd/pcnet32.c b/drivers/net/ethernet/amd/pcnet32.c index a561705f232c..be198cc0b10c 100644 --- a/drivers/net/ethernet/amd/pcnet32.c +++ b/drivers/net/ethernet/amd/pcnet32.c @@ -1552,22 +1552,26 @@ pcnet32_probe_pci(struct pci_dev *pdev, const struct pci_device_id *ent) if (!ioaddr) { if (pcnet32_debug & NETIF_MSG_PROBE) pr_err("card has no PCI IO resources, aborting\n"); - return -ENODEV; + err = -ENODEV; + goto err_disable_dev; } err = pci_set_dma_mask(pdev, PCNET32_DMA_MASK); if (err) { if (pcnet32_debug & NETIF_MSG_PROBE) pr_err("architecture does not support 32bit PCI busmaster DMA\n"); - return err; + goto err_disable_dev; } if (!request_region(ioaddr, PCNET32_TOTAL_SIZE, "pcnet32_probe_pci")) { if (pcnet32_debug & NETIF_MSG_PROBE) pr_err("io address range already allocated\n"); - return -EBUSY; + err = -EBUSY; + goto err_disable_dev; } err = pcnet32_probe1(ioaddr, 1, pdev); + +err_disable_dev: if (err < 0) pci_disable_device(pdev); diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index 81684acf52af..8a8b12b720ef 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -2747,11 +2747,11 @@ static int enic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_master(pdev); /* Query PCI controller on system for DMA addressing - * limitation for the device. Try 64-bit first, and + * limitation for the device. Try 47-bit first, and * fail to 32-bit. */ - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); + err = pci_set_dma_mask(pdev, DMA_BIT_MASK(47)); if (err) { err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); if (err) { @@ -2765,10 +2765,10 @@ static int enic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_out_release_regions; } } else { - err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); + err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(47)); if (err) { dev_err(dev, "Unable to obtain %u-bit DMA " - "for consistent allocations, aborting\n", 64); + "for consistent allocations, aborting\n", 47); goto err_out_release_regions; } using_dac = 1; diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index d4604bc8eb5b..9d3eed46830d 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Fast Ethernet Controller (FEC) driver for Motorola MPC8xx. * Copyright (c) 1997 Dan Malek (dmalek@jlc.net) diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c index f81439796ac7..43d973215040 100644 --- a/drivers/net/ethernet/freescale/fec_ptp.c +++ b/drivers/net/ethernet/freescale/fec_ptp.c @@ -1,20 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Fast Ethernet Controller (ENET) PTP driver for MX6x. * * Copyright (C) 2012 Freescale Semiconductor, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope 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, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 4bb4646a5f92..5ec1185808e5 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -796,9 +796,11 @@ static int ibmvnic_login(struct net_device *netdev) struct ibmvnic_adapter *adapter = netdev_priv(netdev); unsigned long timeout = msecs_to_jiffies(30000); int retry_count = 0; + bool retry; int rc; do { + retry = false; if (retry_count > IBMVNIC_MAX_QUEUES) { netdev_warn(netdev, "Login attempts exceeded\n"); return -1; @@ -822,6 +824,9 @@ static int ibmvnic_login(struct net_device *netdev) retry_count++; release_sub_crqs(adapter, 1); + retry = true; + netdev_dbg(netdev, + "Received partial success, retrying...\n"); adapter->init_done_rc = 0; reinit_completion(&adapter->init_done); send_cap_queries(adapter); @@ -849,7 +854,7 @@ static int ibmvnic_login(struct net_device *netdev) netdev_warn(netdev, "Adapter login failed\n"); return -1; } - } while (adapter->init_done_rc == PARTIALSUCCESS); + } while (retry); /* handle pending MAC address changes after successful login */ if (adapter->mac_change_pending) { @@ -2617,18 +2622,21 @@ static int enable_scrq_irq(struct ibmvnic_adapter *adapter, { struct device *dev = &adapter->vdev->dev; unsigned long rc; - u64 val; if (scrq->hw_irq > 0x100000000ULL) { dev_err(dev, "bad hw_irq = %lx\n", scrq->hw_irq); return 1; } - val = (0xff000000) | scrq->hw_irq; - rc = plpar_hcall_norets(H_EOI, val); - if (rc) - dev_err(dev, "H_EOI FAILED irq 0x%llx. rc=%ld\n", - val, rc); + if (adapter->resetting && + adapter->reset_reason == VNIC_RESET_MOBILITY) { + u64 val = (0xff000000) | scrq->hw_irq; + + rc = plpar_hcall_norets(H_EOI, val); + if (rc) + dev_err(dev, "H_EOI FAILED irq 0x%llx. rc=%ld\n", + val, rc); + } rc = plpar_hcall_norets(H_VIOCTL, adapter->vdev->unit_address, H_ENABLE_VIO_INTERRUPT, scrq->hw_irq, 0, 0); diff --git a/drivers/net/ethernet/mellanox/mlx4/icm.c b/drivers/net/ethernet/mellanox/mlx4/icm.c index a822f7a56bc5..685337d58276 100644 --- a/drivers/net/ethernet/mellanox/mlx4/icm.c +++ b/drivers/net/ethernet/mellanox/mlx4/icm.c @@ -43,12 +43,12 @@ #include "fw.h" /* - * We allocate in as big chunks as we can, up to a maximum of 256 KB - * per chunk. + * We allocate in page size (default 4KB on many archs) chunks to avoid high + * order memory allocations in fragmented/high usage memory situation. */ enum { - MLX4_ICM_ALLOC_SIZE = 1 << 18, - MLX4_TABLE_CHUNK_SIZE = 1 << 18 + MLX4_ICM_ALLOC_SIZE = PAGE_SIZE, + MLX4_TABLE_CHUNK_SIZE = PAGE_SIZE, }; static void mlx4_free_icm_pages(struct mlx4_dev *dev, struct mlx4_icm_chunk *chunk) @@ -398,9 +398,11 @@ int mlx4_init_icm_table(struct mlx4_dev *dev, struct mlx4_icm_table *table, u64 size; obj_per_chunk = MLX4_TABLE_CHUNK_SIZE / obj_size; + if (WARN_ON(!obj_per_chunk)) + return -EINVAL; num_icm = (nobj + obj_per_chunk - 1) / obj_per_chunk; - table->icm = kcalloc(num_icm, sizeof(*table->icm), GFP_KERNEL); + table->icm = kvzalloc(num_icm * sizeof(*table->icm), GFP_KERNEL); if (!table->icm) return -ENOMEM; table->virt = virt; @@ -446,7 +448,7 @@ err: mlx4_free_icm(dev, table->icm[i], use_coherent); } - kfree(table->icm); + kvfree(table->icm); return -ENOMEM; } @@ -462,5 +464,5 @@ void mlx4_cleanup_icm_table(struct mlx4_dev *dev, struct mlx4_icm_table *table) mlx4_free_icm(dev, table->icm[i], table->coherent); } - kfree(table->icm); + kvfree(table->icm); } diff --git a/drivers/net/ethernet/mellanox/mlx4/intf.c b/drivers/net/ethernet/mellanox/mlx4/intf.c index 2edcce98ab2d..65482f004e50 100644 --- a/drivers/net/ethernet/mellanox/mlx4/intf.c +++ b/drivers/net/ethernet/mellanox/mlx4/intf.c @@ -172,7 +172,7 @@ int mlx4_do_bond(struct mlx4_dev *dev, bool enable) list_add_tail(&dev_ctx->list, &priv->ctx_list); spin_unlock_irqrestore(&priv->ctx_lock, flags); - mlx4_dbg(dev, "Inrerface for protocol %d restarted with when bonded mode is %s\n", + mlx4_dbg(dev, "Interface for protocol %d restarted with bonded mode %s\n", dev_ctx->intf->protocol, enable ? "enabled" : "disabled"); } diff --git a/drivers/net/ethernet/mellanox/mlx4/qp.c b/drivers/net/ethernet/mellanox/mlx4/qp.c index 3aaf4bad6c5a..427e7a31862c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/qp.c +++ b/drivers/net/ethernet/mellanox/mlx4/qp.c @@ -393,11 +393,11 @@ struct mlx4_qp *mlx4_qp_lookup(struct mlx4_dev *dev, u32 qpn) struct mlx4_qp_table *qp_table = &mlx4_priv(dev)->qp_table; struct mlx4_qp *qp; - spin_lock(&qp_table->lock); + spin_lock_irq(&qp_table->lock); qp = __mlx4_qp_lookup(dev, qpn); - spin_unlock(&qp_table->lock); + spin_unlock_irq(&qp_table->lock); return qp; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index 176645762e49..1ff0b0e93804 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -615,6 +615,45 @@ static inline bool is_last_ethertype_ip(struct sk_buff *skb, int *network_depth) return (ethertype == htons(ETH_P_IP) || ethertype == htons(ETH_P_IPV6)); } +static __be32 mlx5e_get_fcs(struct sk_buff *skb) +{ + int last_frag_sz, bytes_in_prev, nr_frags; + u8 *fcs_p1, *fcs_p2; + skb_frag_t *last_frag; + __be32 fcs_bytes; + + if (!skb_is_nonlinear(skb)) + return *(__be32 *)(skb->data + skb->len - ETH_FCS_LEN); + + nr_frags = skb_shinfo(skb)->nr_frags; + last_frag = &skb_shinfo(skb)->frags[nr_frags - 1]; + last_frag_sz = skb_frag_size(last_frag); + + /* If all FCS data is in last frag */ + if (last_frag_sz >= ETH_FCS_LEN) + return *(__be32 *)(skb_frag_address(last_frag) + + last_frag_sz - ETH_FCS_LEN); + + fcs_p2 = (u8 *)skb_frag_address(last_frag); + bytes_in_prev = ETH_FCS_LEN - last_frag_sz; + + /* Find where the other part of the FCS is - Linear or another frag */ + if (nr_frags == 1) { + fcs_p1 = skb_tail_pointer(skb); + } else { + skb_frag_t *prev_frag = &skb_shinfo(skb)->frags[nr_frags - 2]; + + fcs_p1 = skb_frag_address(prev_frag) + + skb_frag_size(prev_frag); + } + fcs_p1 -= bytes_in_prev; + + memcpy(&fcs_bytes, fcs_p1, bytes_in_prev); + memcpy(((u8 *)&fcs_bytes) + bytes_in_prev, fcs_p2, last_frag_sz); + + return fcs_bytes; +} + static inline void mlx5e_handle_csum(struct net_device *netdev, struct mlx5_cqe64 *cqe, struct mlx5e_rq *rq, @@ -643,6 +682,9 @@ static inline void mlx5e_handle_csum(struct net_device *netdev, skb->csum = csum_partial(skb->data + ETH_HLEN, network_depth - ETH_HLEN, skb->csum); + if (unlikely(netdev->features & NETIF_F_RXFCS)) + skb->csum = csum_add(skb->csum, + (__force __wsum)mlx5e_get_fcs(skb)); rq->stats.csum_complete++; return; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c index 0f5da499a223..fad8c2e3804e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c @@ -237,19 +237,17 @@ static void *mlx5_fpga_ipsec_cmd_exec(struct mlx5_core_dev *mdev, context->buf.sg[0].data = &context->command; spin_lock_irqsave(&fdev->ipsec->pending_cmds_lock, flags); - list_add_tail(&context->list, &fdev->ipsec->pending_cmds); + res = mlx5_fpga_sbu_conn_sendmsg(fdev->ipsec->conn, &context->buf); + if (!res) + list_add_tail(&context->list, &fdev->ipsec->pending_cmds); spin_unlock_irqrestore(&fdev->ipsec->pending_cmds_lock, flags); - res = mlx5_fpga_sbu_conn_sendmsg(fdev->ipsec->conn, &context->buf); if (res) { - mlx5_fpga_warn(fdev, "Failure sending IPSec command: %d\n", - res); - spin_lock_irqsave(&fdev->ipsec->pending_cmds_lock, flags); - list_del(&context->list); - spin_unlock_irqrestore(&fdev->ipsec->pending_cmds_lock, flags); + mlx5_fpga_warn(fdev, "Failed to send IPSec command: %d\n", res); kfree(context); return ERR_PTR(res); } + /* Context will be freed by wait func after completion */ return context; } diff --git a/drivers/net/ethernet/qlogic/qed/qed_cxt.c b/drivers/net/ethernet/qlogic/qed/qed_cxt.c index 00f41c145d4d..820b226d6ff8 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_cxt.c +++ b/drivers/net/ethernet/qlogic/qed/qed_cxt.c @@ -77,7 +77,7 @@ #define ILT_CFG_REG(cli, reg) PSWRQ2_REG_ ## cli ## _ ## reg ## _RT_OFFSET /* ILT entry structure */ -#define ILT_ENTRY_PHY_ADDR_MASK 0x000FFFFFFFFFFFULL +#define ILT_ENTRY_PHY_ADDR_MASK (~0ULL >> 12) #define ILT_ENTRY_PHY_ADDR_SHIFT 0 #define ILT_ENTRY_VALID_MASK 0x1ULL #define ILT_ENTRY_VALID_SHIFT 52 diff --git a/drivers/net/phy/bcm-cygnus.c b/drivers/net/phy/bcm-cygnus.c index 6838129839ca..e757b09f1889 100644 --- a/drivers/net/phy/bcm-cygnus.c +++ b/drivers/net/phy/bcm-cygnus.c @@ -61,17 +61,17 @@ static int bcm_cygnus_afe_config(struct phy_device *phydev) return rc; /* make rcal=100, since rdb default is 000 */ - rc = bcm_phy_write_exp(phydev, MII_BRCM_CORE_EXPB1, 0x10); + rc = bcm_phy_write_exp_sel(phydev, MII_BRCM_CORE_EXPB1, 0x10); if (rc < 0) return rc; /* CORE_EXPB0, Reset R_CAL/RC_CAL Engine */ - rc = bcm_phy_write_exp(phydev, MII_BRCM_CORE_EXPB0, 0x10); + rc = bcm_phy_write_exp_sel(phydev, MII_BRCM_CORE_EXPB0, 0x10); if (rc < 0) return rc; /* CORE_EXPB0, Disable Reset R_CAL/RC_CAL Engine */ - rc = bcm_phy_write_exp(phydev, MII_BRCM_CORE_EXPB0, 0x00); + rc = bcm_phy_write_exp_sel(phydev, MII_BRCM_CORE_EXPB0, 0x00); return 0; } diff --git a/drivers/net/phy/bcm-phy-lib.c b/drivers/net/phy/bcm-phy-lib.c index 5ad130c3da43..d5e0833d69b9 100644 --- a/drivers/net/phy/bcm-phy-lib.c +++ b/drivers/net/phy/bcm-phy-lib.c @@ -56,7 +56,7 @@ int bcm54xx_auxctl_read(struct phy_device *phydev, u16 regnum) /* The register must be written to both the Shadow Register Select and * the Shadow Read Register Selector */ - phy_write(phydev, MII_BCM54XX_AUX_CTL, regnum | + phy_write(phydev, MII_BCM54XX_AUX_CTL, MII_BCM54XX_AUXCTL_SHDWSEL_MASK | regnum << MII_BCM54XX_AUXCTL_SHDWSEL_READ_SHIFT); return phy_read(phydev, MII_BCM54XX_AUX_CTL); } diff --git a/drivers/net/phy/bcm-phy-lib.h b/drivers/net/phy/bcm-phy-lib.h index 7c73808cbbde..81cceaa412fe 100644 --- a/drivers/net/phy/bcm-phy-lib.h +++ b/drivers/net/phy/bcm-phy-lib.h @@ -14,11 +14,18 @@ #ifndef _LINUX_BCM_PHY_LIB_H #define _LINUX_BCM_PHY_LIB_H +#include <linux/brcmphy.h> #include <linux/phy.h> int bcm_phy_write_exp(struct phy_device *phydev, u16 reg, u16 val); int bcm_phy_read_exp(struct phy_device *phydev, u16 reg); +static inline int bcm_phy_write_exp_sel(struct phy_device *phydev, + u16 reg, u16 val) +{ + return bcm_phy_write_exp(phydev, reg | MII_BCM54XX_EXP_SEL_ER, val); +} + int bcm54xx_auxctl_write(struct phy_device *phydev, u16 regnum, u16 val); int bcm54xx_auxctl_read(struct phy_device *phydev, u16 regnum); diff --git a/drivers/net/phy/bcm7xxx.c b/drivers/net/phy/bcm7xxx.c index 29b1c88b55cc..01d2ff2f6241 100644 --- a/drivers/net/phy/bcm7xxx.c +++ b/drivers/net/phy/bcm7xxx.c @@ -65,10 +65,10 @@ struct bcm7xxx_phy_priv { static void r_rc_cal_reset(struct phy_device *phydev) { /* Reset R_CAL/RC_CAL Engine */ - bcm_phy_write_exp(phydev, 0x00b0, 0x0010); + bcm_phy_write_exp_sel(phydev, 0x00b0, 0x0010); /* Disable Reset R_AL/RC_CAL Engine */ - bcm_phy_write_exp(phydev, 0x00b0, 0x0000); + bcm_phy_write_exp_sel(phydev, 0x00b0, 0x0000); } static int bcm7xxx_28nm_b0_afe_config_init(struct phy_device *phydev) diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index dc7c7ec43202..02ad03a2fab7 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -605,30 +605,13 @@ static long ppp_ioctl(struct file *file, unsigned int cmd, unsigned long arg) if (cmd == PPPIOCDETACH) { /* - * We have to be careful here... if the file descriptor - * has been dup'd, we could have another process in the - * middle of a poll using the same file *, so we had - * better not free the interface data structures - - * instead we fail the ioctl. Even in this case, we - * shut down the interface if we are the owner of it. - * Actually, we should get rid of PPPIOCDETACH, userland - * (i.e. pppd) could achieve the same effect by closing - * this fd and reopening /dev/ppp. + * PPPIOCDETACH is no longer supported as it was heavily broken, + * and is only known to have been used by pppd older than + * ppp-2.4.2 (released November 2003). */ + pr_warn_once("%s (%d) used obsolete PPPIOCDETACH ioctl\n", + current->comm, current->pid); err = -EINVAL; - if (pf->kind == INTERFACE) { - ppp = PF_TO_PPP(pf); - rtnl_lock(); - if (file == ppp->owner) - unregister_netdevice(ppp->dev); - rtnl_unlock(); - } - if (atomic_long_read(&file->f_count) < 2) { - ppp_release(NULL, file); - err = 0; - } else - pr_warn("PPPIOCDETACH file->f_count=%ld\n", - atomic_long_read(&file->f_count)); goto out; } diff --git a/drivers/net/tun.c b/drivers/net/tun.c index d45ac37e1287..45d807796a18 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1423,6 +1423,13 @@ static void tun_net_init(struct net_device *dev) dev->max_mtu = MAX_MTU - dev->hard_header_len; } +static bool tun_sock_writeable(struct tun_struct *tun, struct tun_file *tfile) +{ + struct sock *sk = tfile->socket.sk; + + return (tun->dev->flags & IFF_UP) && sock_writeable(sk); +} + /* Character device part */ /* Poll */ @@ -1445,10 +1452,14 @@ static __poll_t tun_chr_poll(struct file *file, poll_table *wait) if (!ptr_ring_empty(&tfile->tx_ring)) mask |= EPOLLIN | EPOLLRDNORM; - if (tun->dev->flags & IFF_UP && - (sock_writeable(sk) || - (!test_and_set_bit(SOCKWQ_ASYNC_NOSPACE, &sk->sk_socket->flags) && - sock_writeable(sk)))) + /* Make sure SOCKWQ_ASYNC_NOSPACE is set if not writable to + * guarantee EPOLLOUT to be raised by either here or + * tun_sock_write_space(). Then process could get notification + * after it writes to a down device and meets -EIO. + */ + if (tun_sock_writeable(tun, tfile) || + (!test_and_set_bit(SOCKWQ_ASYNC_NOSPACE, &sk->sk_socket->flags) && + tun_sock_writeable(tun, tfile))) mask |= EPOLLOUT | EPOLLWRNORM; if (tun->dev->reg_state != NETREG_REGISTERED) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 770422e953f7..032e1ac10a30 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -707,6 +707,13 @@ static struct sk_buff *receive_mergeable(struct net_device *dev, void *data; u32 act; + /* Transient failure which in theory could occur if + * in-flight packets from before XDP was enabled reach + * the receive path after XDP is loaded. + */ + if (unlikely(hdr->hdr.gso_type)) + goto err_xdp; + /* This happens when rx buffer size is underestimated * or headroom is not enough because of the buffer * was refilled before XDP is set. This should only @@ -727,14 +734,6 @@ static struct sk_buff *receive_mergeable(struct net_device *dev, xdp_page = page; } - /* Transient failure which in theory could occur if - * in-flight packets from before XDP was enabled reach - * the receive path after XDP is loaded. In practice I - * was not able to create this condition. - */ - if (unlikely(hdr->hdr.gso_type)) - goto err_xdp; - /* Allow consuming headroom but reserve enough space to push * the descriptor on if we get an XDP_TX return code. */ @@ -775,7 +774,7 @@ static struct sk_buff *receive_mergeable(struct net_device *dev, } *xdp_xmit = true; if (unlikely(xdp_page != page)) - goto err_xdp; + put_page(page); rcu_read_unlock(); goto xdp_xmit; case XDP_REDIRECT: @@ -787,7 +786,7 @@ static struct sk_buff *receive_mergeable(struct net_device *dev, } *xdp_xmit = true; if (unlikely(xdp_page != page)) - goto err_xdp; + put_page(page); rcu_read_unlock(); goto xdp_xmit; default: @@ -875,7 +874,7 @@ err_xdp: rcu_read_unlock(); err_skb: put_page(page); - while (--num_buf) { + while (num_buf-- > 1) { buf = virtqueue_get_buf(rq->vq, &len); if (unlikely(!buf)) { pr_debug("%s: rx error: %d buffers missing\n", diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 4a017a0d71ea..920c23e542a5 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -3340,7 +3340,7 @@ out_err: static int hwsim_dump_radio_nl(struct sk_buff *skb, struct netlink_callback *cb) { - int last_idx = cb->args[0]; + int last_idx = cb->args[0] - 1; struct mac80211_hwsim_data *data = NULL; int res = 0; void *hdr; @@ -3368,7 +3368,7 @@ static int hwsim_dump_radio_nl(struct sk_buff *skb, last_idx = data->idx; } - cb->args[0] = last_idx; + cb->args[0] = last_idx + 1; /* list changed, but no new element sent, set interrupted flag */ if (skb->len == 0 && cb->prev_seq && cb->seq != cb->prev_seq) { diff --git a/drivers/ssb/Kconfig b/drivers/ssb/Kconfig index 9371651d8017..c574dd210500 100644 --- a/drivers/ssb/Kconfig +++ b/drivers/ssb/Kconfig @@ -117,7 +117,7 @@ config SSB_SERIAL config SSB_DRIVER_PCICORE_POSSIBLE bool - depends on SSB_PCIHOST && SSB = y + depends on SSB_PCIHOST default y config SSB_DRIVER_PCICORE @@ -131,7 +131,7 @@ config SSB_DRIVER_PCICORE config SSB_PCICORE_HOSTMODE bool "Hostmode support for SSB PCI core" - depends on SSB_DRIVER_PCICORE && SSB_DRIVER_MIPS + depends on SSB_DRIVER_PCICORE && SSB_DRIVER_MIPS && SSB = y help PCIcore hostmode operation (external PCI bus). diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index f3bd8e941224..f0be5f35ab28 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -981,6 +981,7 @@ static int vhost_process_iotlb_msg(struct vhost_dev *dev, { int ret = 0; + mutex_lock(&dev->mutex); vhost_dev_lock_vqs(dev); switch (msg->type) { case VHOST_IOTLB_UPDATE: @@ -1016,6 +1017,8 @@ static int vhost_process_iotlb_msg(struct vhost_dev *dev, } vhost_dev_unlock_vqs(dev); + mutex_unlock(&dev->mutex); + return ret; } ssize_t vhost_chr_write_iter(struct vhost_dev *dev, diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h index 65cfc2f59db9..df36b1b08af0 100644 --- a/include/linux/bpf_verifier.h +++ b/include/linux/bpf_verifier.h @@ -142,7 +142,7 @@ struct bpf_verifier_state_list { struct bpf_insn_aux_data { union { enum bpf_reg_type ptr_type; /* pointer type for load/store insns */ - struct bpf_map *map_ptr; /* pointer for call insn into lookup_elem */ + unsigned long map_state; /* pointer/poison value for maps */ s32 call_imm; /* saved imm field of call insn */ }; int ctx_field_size; /* the ctx field size for load insn, maybe 0 */ diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index 28b996d63490..35498e613ff5 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -103,6 +103,8 @@ void sctp_addr_wq_mgmt(struct net *, struct sctp_sockaddr_entry *, int); /* * sctp/socket.c */ +int sctp_inet_connect(struct socket *sock, struct sockaddr *uaddr, + int addr_len, int flags); int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb); int sctp_inet_listen(struct socket *sock, int backlog); void sctp_write_space(struct sock *sk); diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index 9c3630146cec..271b93783d28 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -2698,7 +2698,7 @@ enum nl80211_attrs { #define NL80211_ATTR_KEYS NL80211_ATTR_KEYS #define NL80211_ATTR_FEATURE_FLAGS NL80211_ATTR_FEATURE_FLAGS -#define NL80211_WIPHY_NAME_MAXLEN 128 +#define NL80211_WIPHY_NAME_MAXLEN 64 #define NL80211_MAX_SUPP_RATES 32 #define NL80211_MAX_SUPP_HT_RATES 77 diff --git a/include/uapi/linux/ppp-ioctl.h b/include/uapi/linux/ppp-ioctl.h index b19a9c249b15..784c2e3e572e 100644 --- a/include/uapi/linux/ppp-ioctl.h +++ b/include/uapi/linux/ppp-ioctl.h @@ -106,7 +106,7 @@ struct pppol2tp_ioc_stats { #define PPPIOCGIDLE _IOR('t', 63, struct ppp_idle) /* get idle time */ #define PPPIOCNEWUNIT _IOWR('t', 62, int) /* create new ppp unit */ #define PPPIOCATTACH _IOW('t', 61, int) /* attach to ppp unit */ -#define PPPIOCDETACH _IOW('t', 60, int) /* detach from ppp unit/chan */ +#define PPPIOCDETACH _IOW('t', 60, int) /* obsolete, do not use */ #define PPPIOCSMRRU _IOW('t', 59, int) /* set multilink MRU */ #define PPPIOCCONNECT _IOW('t', 58, int) /* connect channel to unit */ #define PPPIOCDISCONN _IO('t', 57) /* disconnect channel */ diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 2ce967a63ede..1904e814f282 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -156,7 +156,29 @@ struct bpf_verifier_stack_elem { #define BPF_COMPLEXITY_LIMIT_INSNS 131072 #define BPF_COMPLEXITY_LIMIT_STACK 1024 -#define BPF_MAP_PTR_POISON ((void *)0xeB9F + POISON_POINTER_DELTA) +#define BPF_MAP_PTR_UNPRIV 1UL +#define BPF_MAP_PTR_POISON ((void *)((0xeB9FUL << 1) + \ + POISON_POINTER_DELTA)) +#define BPF_MAP_PTR(X) ((struct bpf_map *)((X) & ~BPF_MAP_PTR_UNPRIV)) + +static bool bpf_map_ptr_poisoned(const struct bpf_insn_aux_data *aux) +{ + return BPF_MAP_PTR(aux->map_state) == BPF_MAP_PTR_POISON; +} + +static bool bpf_map_ptr_unpriv(const struct bpf_insn_aux_data *aux) +{ + return aux->map_state & BPF_MAP_PTR_UNPRIV; +} + +static void bpf_map_ptr_store(struct bpf_insn_aux_data *aux, + const struct bpf_map *map, bool unpriv) +{ + BUILD_BUG_ON((unsigned long)BPF_MAP_PTR_POISON & BPF_MAP_PTR_UNPRIV); + unpriv |= bpf_map_ptr_unpriv(aux); + aux->map_state = (unsigned long)map | + (unpriv ? BPF_MAP_PTR_UNPRIV : 0UL); +} struct bpf_call_arg_meta { struct bpf_map *map_ptr; @@ -2358,6 +2380,29 @@ static int prepare_func_exit(struct bpf_verifier_env *env, int *insn_idx) return 0; } +static int +record_func_map(struct bpf_verifier_env *env, struct bpf_call_arg_meta *meta, + int func_id, int insn_idx) +{ + struct bpf_insn_aux_data *aux = &env->insn_aux_data[insn_idx]; + + if (func_id != BPF_FUNC_tail_call && + func_id != BPF_FUNC_map_lookup_elem) + return 0; + if (meta->map_ptr == NULL) { + verbose(env, "kernel subsystem misconfigured verifier\n"); + return -EINVAL; + } + + if (!BPF_MAP_PTR(aux->map_state)) + bpf_map_ptr_store(aux, meta->map_ptr, + meta->map_ptr->unpriv_array); + else if (BPF_MAP_PTR(aux->map_state) != meta->map_ptr) + bpf_map_ptr_store(aux, BPF_MAP_PTR_POISON, + meta->map_ptr->unpriv_array); + return 0; +} + static int check_helper_call(struct bpf_verifier_env *env, int func_id, int insn_idx) { const struct bpf_func_proto *fn = NULL; @@ -2412,13 +2457,6 @@ static int check_helper_call(struct bpf_verifier_env *env, int func_id, int insn err = check_func_arg(env, BPF_REG_2, fn->arg2_type, &meta); if (err) return err; - if (func_id == BPF_FUNC_tail_call) { - if (meta.map_ptr == NULL) { - verbose(env, "verifier bug\n"); - return -EINVAL; - } - env->insn_aux_data[insn_idx].map_ptr = meta.map_ptr; - } err = check_func_arg(env, BPF_REG_3, fn->arg3_type, &meta); if (err) return err; @@ -2429,6 +2467,10 @@ static int check_helper_call(struct bpf_verifier_env *env, int func_id, int insn if (err) return err; + err = record_func_map(env, &meta, func_id, insn_idx); + if (err) + return err; + /* Mark slots with STACK_MISC in case of raw mode, stack offset * is inferred from register state. */ @@ -2453,8 +2495,6 @@ static int check_helper_call(struct bpf_verifier_env *env, int func_id, int insn } else if (fn->ret_type == RET_VOID) { regs[BPF_REG_0].type = NOT_INIT; } else if (fn->ret_type == RET_PTR_TO_MAP_VALUE_OR_NULL) { - struct bpf_insn_aux_data *insn_aux; - regs[BPF_REG_0].type = PTR_TO_MAP_VALUE_OR_NULL; /* There is no offset yet applied, variable or fixed */ mark_reg_known_zero(env, regs, BPF_REG_0); @@ -2470,11 +2510,6 @@ static int check_helper_call(struct bpf_verifier_env *env, int func_id, int insn } regs[BPF_REG_0].map_ptr = meta.map_ptr; regs[BPF_REG_0].id = ++env->id_gen; - insn_aux = &env->insn_aux_data[insn_idx]; - if (!insn_aux->map_ptr) - insn_aux->map_ptr = meta.map_ptr; - else if (insn_aux->map_ptr != meta.map_ptr) - insn_aux->map_ptr = BPF_MAP_PTR_POISON; } else { verbose(env, "unknown return type %d of func %s#%d\n", fn->ret_type, func_id_name(func_id), func_id); @@ -5470,6 +5505,7 @@ static int fixup_bpf_calls(struct bpf_verifier_env *env) struct bpf_insn *insn = prog->insnsi; const struct bpf_func_proto *fn; const int insn_cnt = prog->len; + struct bpf_insn_aux_data *aux; struct bpf_insn insn_buf[16]; struct bpf_prog *new_prog; struct bpf_map *map_ptr; @@ -5544,19 +5580,22 @@ static int fixup_bpf_calls(struct bpf_verifier_env *env) insn->imm = 0; insn->code = BPF_JMP | BPF_TAIL_CALL; + aux = &env->insn_aux_data[i + delta]; + if (!bpf_map_ptr_unpriv(aux)) + continue; + /* instead of changing every JIT dealing with tail_call * emit two extra insns: * if (index >= max_entries) goto out; * index &= array->index_mask; * to avoid out-of-bounds cpu speculation */ - map_ptr = env->insn_aux_data[i + delta].map_ptr; - if (map_ptr == BPF_MAP_PTR_POISON) { + if (bpf_map_ptr_poisoned(aux)) { verbose(env, "tail_call abusing map_ptr\n"); return -EINVAL; } - if (!map_ptr->unpriv_array) - continue; + + map_ptr = BPF_MAP_PTR(aux->map_state); insn_buf[0] = BPF_JMP_IMM(BPF_JGE, BPF_REG_3, map_ptr->max_entries, 2); insn_buf[1] = BPF_ALU32_IMM(BPF_AND, BPF_REG_3, @@ -5580,9 +5619,12 @@ static int fixup_bpf_calls(struct bpf_verifier_env *env) */ if (prog->jit_requested && BITS_PER_LONG == 64 && insn->imm == BPF_FUNC_map_lookup_elem) { - map_ptr = env->insn_aux_data[i + delta].map_ptr; - if (map_ptr == BPF_MAP_PTR_POISON || - !map_ptr->ops->map_gen_lookup) + aux = &env->insn_aux_data[i + delta]; + if (bpf_map_ptr_poisoned(aux)) + goto patch_call_imm; + + map_ptr = BPF_MAP_PTR(aux->map_state); + if (!map_ptr->ops->map_gen_lookup) goto patch_call_imm; cnt = map_ptr->ops->map_gen_lookup(map_ptr, insn_buf); diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c index a11d3d89f012..a35f597e8c8b 100644 --- a/net/batman-adv/multicast.c +++ b/net/batman-adv/multicast.c @@ -1536,7 +1536,7 @@ out: if (!ret && primary_if) *primary_if = hard_iface; - else + else if (hard_iface) batadv_hardif_put(hard_iface); return ret; diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index 0225616d5771..3986551397ca 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -862,7 +862,7 @@ batadv_tt_prepare_tvlv_global_data(struct batadv_orig_node *orig_node, struct batadv_orig_node_vlan *vlan; u8 *tt_change_ptr; - rcu_read_lock(); + spin_lock_bh(&orig_node->vlan_list_lock); hlist_for_each_entry_rcu(vlan, &orig_node->vlan_list, list) { num_vlan++; num_entries += atomic_read(&vlan->tt.num_entries); @@ -900,7 +900,7 @@ batadv_tt_prepare_tvlv_global_data(struct batadv_orig_node *orig_node, *tt_change = (struct batadv_tvlv_tt_change *)tt_change_ptr; out: - rcu_read_unlock(); + spin_unlock_bh(&orig_node->vlan_list_lock); return tvlv_len; } @@ -931,15 +931,20 @@ batadv_tt_prepare_tvlv_local_data(struct batadv_priv *bat_priv, struct batadv_tvlv_tt_vlan_data *tt_vlan; struct batadv_softif_vlan *vlan; u16 num_vlan = 0; - u16 num_entries = 0; + u16 vlan_entries = 0; + u16 total_entries = 0; u16 tvlv_len; u8 *tt_change_ptr; int change_offset; - rcu_read_lock(); + spin_lock_bh(&bat_priv->softif_vlan_list_lock); hlist_for_each_entry_rcu(vlan, &bat_priv->softif_vlan_list, list) { + vlan_entries = atomic_read(&vlan->tt.num_entries); + if (vlan_entries < 1) + continue; + num_vlan++; - num_entries += atomic_read(&vlan->tt.num_entries); + total_entries += vlan_entries; } change_offset = sizeof(**tt_data); @@ -947,7 +952,7 @@ batadv_tt_prepare_tvlv_local_data(struct batadv_priv *bat_priv, /* if tt_len is negative, allocate the space needed by the full table */ if (*tt_len < 0) - *tt_len = batadv_tt_len(num_entries); + *tt_len = batadv_tt_len(total_entries); tvlv_len = *tt_len; tvlv_len += change_offset; @@ -964,6 +969,10 @@ batadv_tt_prepare_tvlv_local_data(struct batadv_priv *bat_priv, tt_vlan = (struct batadv_tvlv_tt_vlan_data *)(*tt_data + 1); hlist_for_each_entry_rcu(vlan, &bat_priv->softif_vlan_list, list) { + vlan_entries = atomic_read(&vlan->tt.num_entries); + if (vlan_entries < 1) + continue; + tt_vlan->vid = htons(vlan->vid); tt_vlan->crc = htonl(vlan->tt.crc); @@ -974,7 +983,7 @@ batadv_tt_prepare_tvlv_local_data(struct batadv_priv *bat_priv, *tt_change = (struct batadv_tvlv_tt_change *)tt_change_ptr; out: - rcu_read_unlock(); + spin_unlock_bh(&bat_priv->softif_vlan_list_lock); return tvlv_len; } @@ -1538,6 +1547,8 @@ batadv_tt_global_orig_entry_find(const struct batadv_tt_global_entry *entry, * handled by a given originator * @entry: the TT global entry to check * @orig_node: the originator to search in the list + * @flags: a pointer to store TT flags for the given @entry received + * from @orig_node * * find out if an orig_node is already in the list of a tt_global_entry. * @@ -1545,7 +1556,8 @@ batadv_tt_global_orig_entry_find(const struct batadv_tt_global_entry *entry, */ static bool batadv_tt_global_entry_has_orig(const struct batadv_tt_global_entry *entry, - const struct batadv_orig_node *orig_node) + const struct batadv_orig_node *orig_node, + u8 *flags) { struct batadv_tt_orig_list_entry *orig_entry; bool found = false; @@ -1553,6 +1565,10 @@ batadv_tt_global_entry_has_orig(const struct batadv_tt_global_entry *entry, orig_entry = batadv_tt_global_orig_entry_find(entry, orig_node); if (orig_entry) { found = true; + + if (flags) + *flags = orig_entry->flags; + batadv_tt_orig_list_entry_put(orig_entry); } @@ -1731,7 +1747,7 @@ static bool batadv_tt_global_add(struct batadv_priv *bat_priv, if (!(common->flags & BATADV_TT_CLIENT_TEMP)) goto out; if (batadv_tt_global_entry_has_orig(tt_global_entry, - orig_node)) + orig_node, NULL)) goto out_remove; batadv_tt_global_del_orig_list(tt_global_entry); goto add_orig_entry; @@ -2880,23 +2896,46 @@ unlock: } /** - * batadv_tt_local_valid() - verify that given tt entry is a valid one + * batadv_tt_local_valid() - verify local tt entry and get flags * @entry_ptr: to be checked local tt entry * @data_ptr: not used but definition required to satisfy the callback prototype + * @flags: a pointer to store TT flags for this client to + * + * Checks the validity of the given local TT entry. If it is, then the provided + * flags pointer is updated. * * Return: true if the entry is a valid, false otherwise. */ -static bool batadv_tt_local_valid(const void *entry_ptr, const void *data_ptr) +static bool batadv_tt_local_valid(const void *entry_ptr, + const void *data_ptr, + u8 *flags) { const struct batadv_tt_common_entry *tt_common_entry = entry_ptr; if (tt_common_entry->flags & BATADV_TT_CLIENT_NEW) return false; + + if (flags) + *flags = tt_common_entry->flags; + return true; } +/** + * batadv_tt_global_valid() - verify global tt entry and get flags + * @entry_ptr: to be checked global tt entry + * @data_ptr: an orig_node object (may be NULL) + * @flags: a pointer to store TT flags for this client to + * + * Checks the validity of the given global TT entry. If it is, then the provided + * flags pointer is updated either with the common (summed) TT flags if data_ptr + * is NULL or the specific, per originator TT flags otherwise. + * + * Return: true if the entry is a valid, false otherwise. + */ static bool batadv_tt_global_valid(const void *entry_ptr, - const void *data_ptr) + const void *data_ptr, + u8 *flags) { const struct batadv_tt_common_entry *tt_common_entry = entry_ptr; const struct batadv_tt_global_entry *tt_global_entry; @@ -2910,7 +2949,8 @@ static bool batadv_tt_global_valid(const void *entry_ptr, struct batadv_tt_global_entry, common); - return batadv_tt_global_entry_has_orig(tt_global_entry, orig_node); + return batadv_tt_global_entry_has_orig(tt_global_entry, orig_node, + flags); } /** @@ -2920,25 +2960,34 @@ static bool batadv_tt_global_valid(const void *entry_ptr, * @hash: hash table containing the tt entries * @tt_len: expected tvlv tt data buffer length in number of bytes * @tvlv_buff: pointer to the buffer to fill with the TT data - * @valid_cb: function to filter tt change entries + * @valid_cb: function to filter tt change entries and to return TT flags * @cb_data: data passed to the filter function as argument + * + * Fills the tvlv buff with the tt entries from the specified hash. If valid_cb + * is not provided then this becomes a no-op. */ static void batadv_tt_tvlv_generate(struct batadv_priv *bat_priv, struct batadv_hashtable *hash, void *tvlv_buff, u16 tt_len, bool (*valid_cb)(const void *, - const void *), + const void *, + u8 *flags), void *cb_data) { struct batadv_tt_common_entry *tt_common_entry; struct batadv_tvlv_tt_change *tt_change; struct hlist_head *head; u16 tt_tot, tt_num_entries = 0; + u8 flags; + bool ret; u32 i; tt_tot = batadv_tt_entries(tt_len); tt_change = (struct batadv_tvlv_tt_change *)tvlv_buff; + if (!valid_cb) + return; + rcu_read_lock(); for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@ -2948,11 +2997,12 @@ static void batadv_tt_tvlv_generate(struct batadv_priv *bat_priv, if (tt_tot == tt_num_entries) break; - if ((valid_cb) && (!valid_cb(tt_common_entry, cb_data))) + ret = valid_cb(tt_common_entry, cb_data, &flags); + if (!ret) continue; ether_addr_copy(tt_change->addr, tt_common_entry->addr); - tt_change->flags = tt_common_entry->flags; + tt_change->flags = flags; tt_change->vid = htons(tt_common_entry->vid); memset(tt_change->reserved, 0, sizeof(tt_change->reserved)); diff --git a/net/dccp/proto.c b/net/dccp/proto.c index 84cd4e3fd01b..0d56e36a6db7 100644 --- a/net/dccp/proto.c +++ b/net/dccp/proto.c @@ -283,9 +283,7 @@ int dccp_disconnect(struct sock *sk, int flags) dccp_clear_xmit_timers(sk); ccid_hc_rx_delete(dp->dccps_hc_rx_ccid, sk); - ccid_hc_tx_delete(dp->dccps_hc_tx_ccid, sk); dp->dccps_hc_rx_ccid = NULL; - dp->dccps_hc_tx_ccid = NULL; __skb_queue_purge(&sk->sk_receive_queue); __skb_queue_purge(&sk->sk_write_queue); diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index 4d622112bf95..e66172aaf241 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -649,6 +649,7 @@ const struct nla_policy rtm_ipv4_policy[RTA_MAX + 1] = { [RTA_ENCAP] = { .type = NLA_NESTED }, [RTA_UID] = { .type = NLA_U32 }, [RTA_MARK] = { .type = NLA_U32 }, + [RTA_TABLE] = { .type = NLA_U32 }, }; static int rtm_to_fib_config(struct net *net, struct sk_buff *skb, diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index 5ad2d8ed3a3f..57bbb060faaf 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -505,8 +505,6 @@ int ip_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len) int err; int copied; - WARN_ON_ONCE(sk->sk_family == AF_INET6); - err = -EAGAIN; skb = sock_dequeue_err_skb(sk); if (!skb) diff --git a/net/ipv4/ipmr_base.c b/net/ipv4/ipmr_base.c index 4fe97723b53f..30221701614c 100644 --- a/net/ipv4/ipmr_base.c +++ b/net/ipv4/ipmr_base.c @@ -43,7 +43,10 @@ mr_table_alloc(struct net *net, u32 id, write_pnet(&mrt->net, net); mrt->ops = *ops; - rhltable_init(&mrt->mfc_hash, mrt->ops.rht_params); + if (rhltable_init(&mrt->mfc_hash, mrt->ops.rht_params)) { + kfree(mrt); + return NULL; + } INIT_LIST_HEAD(&mrt->mfc_cache_list); INIT_LIST_HEAD(&mrt->mfc_unres_queue); diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index 0f6c9ca59062..5b5b0f95ffd1 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -401,7 +401,7 @@ u32 mesh_plink_deactivate(struct sta_info *sta) static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata, struct sta_info *sta, - struct ieee802_11_elems *elems, bool insert) + struct ieee802_11_elems *elems) { struct ieee80211_local *local = sdata->local; struct ieee80211_supported_band *sband; @@ -447,7 +447,7 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata, sta->sta.bandwidth = IEEE80211_STA_RX_BW_20; } - if (insert) + if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) rate_control_rate_init(sta); else rate_control_rate_update(local, sband, sta, changed); @@ -551,7 +551,7 @@ mesh_sta_info_get(struct ieee80211_sub_if_data *sdata, rcu_read_lock(); sta = sta_info_get(sdata, addr); if (sta) { - mesh_sta_info_init(sdata, sta, elems, false); + mesh_sta_info_init(sdata, sta, elems); } else { rcu_read_unlock(); /* can't run atomic */ @@ -561,7 +561,7 @@ mesh_sta_info_get(struct ieee80211_sub_if_data *sdata, return NULL; } - mesh_sta_info_init(sdata, sta, elems, true); + mesh_sta_info_init(sdata, sta, elems); if (sta_info_insert_rcu(sta)) return NULL; diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index e9422fe45179..acb7b86574cd 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -2911,7 +2911,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len) if (unlikely(offset < 0)) goto out_free; } else if (reserve) { - skb_push(skb, reserve); + skb_reserve(skb, -reserve); } /* Returns -EFAULT on error */ diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index 963e4bf0aab8..a57e112d9b3e 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -1588,7 +1588,7 @@ int tc_setup_cb_call(struct tcf_block *block, struct tcf_exts *exts, return ret; ok_count = ret; - if (!exts) + if (!exts || ok_count) return ok_count; ret = tc_exts_setup_cb_egdev_call(exts, type, type_data, err_stop); if (ret < 0) diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index 42247110d842..0cd2e764f47f 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -1006,7 +1006,7 @@ static const struct proto_ops inet6_seqpacket_ops = { .owner = THIS_MODULE, .release = inet6_release, .bind = inet6_bind, - .connect = inet_dgram_connect, + .connect = sctp_inet_connect, .socketpair = sock_no_socketpair, .accept = inet_accept, .getname = sctp_getname, diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c index d685f8456762..6bf0a9971888 100644 --- a/net/sctp/protocol.c +++ b/net/sctp/protocol.c @@ -1012,7 +1012,7 @@ static const struct proto_ops inet_seqpacket_ops = { .owner = THIS_MODULE, .release = inet_release, /* Needs to be wrapped... */ .bind = inet_bind, - .connect = inet_dgram_connect, + .connect = sctp_inet_connect, .socketpair = sock_no_socketpair, .accept = inet_accept, .getname = inet_getname, /* Semantics are different. */ diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 80835ac26d2c..ae7e7c606f72 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -1086,7 +1086,7 @@ out: */ static int __sctp_connect(struct sock *sk, struct sockaddr *kaddrs, - int addrs_size, + int addrs_size, int flags, sctp_assoc_t *assoc_id) { struct net *net = sock_net(sk); @@ -1104,7 +1104,6 @@ static int __sctp_connect(struct sock *sk, union sctp_addr *sa_addr = NULL; void *addr_buf; unsigned short port; - unsigned int f_flags = 0; sp = sctp_sk(sk); ep = sp->ep; @@ -1254,13 +1253,7 @@ static int __sctp_connect(struct sock *sk, sp->pf->to_sk_daddr(sa_addr, sk); sk->sk_err = 0; - /* in-kernel sockets don't generally have a file allocated to them - * if all they do is call sock_create_kern(). - */ - if (sk->sk_socket->file) - f_flags = sk->sk_socket->file->f_flags; - - timeo = sock_sndtimeo(sk, f_flags & O_NONBLOCK); + timeo = sock_sndtimeo(sk, flags & O_NONBLOCK); if (assoc_id) *assoc_id = asoc->assoc_id; @@ -1348,7 +1341,7 @@ static int __sctp_setsockopt_connectx(struct sock *sk, sctp_assoc_t *assoc_id) { struct sockaddr *kaddrs; - int err = 0; + int err = 0, flags = 0; pr_debug("%s: sk:%p addrs:%p addrs_size:%d\n", __func__, sk, addrs, addrs_size); @@ -1367,7 +1360,13 @@ static int __sctp_setsockopt_connectx(struct sock *sk, if (err) goto out_free; - err = __sctp_connect(sk, kaddrs, addrs_size, assoc_id); + /* in-kernel sockets don't generally have a file allocated to them + * if all they do is call sock_create_kern(). + */ + if (sk->sk_socket->file) + flags = sk->sk_socket->file->f_flags; + + err = __sctp_connect(sk, kaddrs, addrs_size, flags, assoc_id); out_free: kvfree(kaddrs); @@ -4397,16 +4396,26 @@ out_nounlock: * len: the size of the address. */ static int sctp_connect(struct sock *sk, struct sockaddr *addr, - int addr_len) + int addr_len, int flags) { - int err = 0; + struct inet_sock *inet = inet_sk(sk); struct sctp_af *af; + int err = 0; lock_sock(sk); pr_debug("%s: sk:%p, sockaddr:%p, addr_len:%d\n", __func__, sk, addr, addr_len); + /* We may need to bind the socket. */ + if (!inet->inet_num) { + if (sk->sk_prot->get_port(sk, 0)) { + release_sock(sk); + return -EAGAIN; + } + inet->inet_sport = htons(inet->inet_num); + } + /* Validate addr_len before calling common connect/connectx routine. */ af = sctp_get_af_specific(addr->sa_family); if (!af || addr_len < af->sockaddr_len) { @@ -4415,13 +4424,25 @@ static int sctp_connect(struct sock *sk, struct sockaddr *addr, /* Pass correct addr len to common routine (so it knows there * is only one address being passed. */ - err = __sctp_connect(sk, addr, af->sockaddr_len, NULL); + err = __sctp_connect(sk, addr, af->sockaddr_len, flags, NULL); } release_sock(sk); return err; } +int sctp_inet_connect(struct socket *sock, struct sockaddr *uaddr, + int addr_len, int flags) +{ + if (addr_len < sizeof(uaddr->sa_family)) + return -EINVAL; + + if (uaddr->sa_family == AF_UNSPEC) + return -EOPNOTSUPP; + + return sctp_connect(sock->sk, uaddr, addr_len, flags); +} + /* FIXME: Write comments. */ static int sctp_disconnect(struct sock *sk, int flags) { @@ -8724,7 +8745,6 @@ struct proto sctp_prot = { .name = "SCTP", .owner = THIS_MODULE, .close = sctp_close, - .connect = sctp_connect, .disconnect = sctp_disconnect, .accept = sctp_accept, .ioctl = sctp_ioctl, @@ -8767,7 +8787,6 @@ struct proto sctpv6_prot = { .name = "SCTPv6", .owner = THIS_MODULE, .close = sctp_close, - .connect = sctp_connect, .disconnect = sctp_disconnect, .accept = sctp_accept, .ioctl = sctp_ioctl, diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index a052693c2e85..7c5135a92d76 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -15555,7 +15555,8 @@ void cfg80211_ft_event(struct net_device *netdev, if (!ft_event->target_ap) return; - msg = nlmsg_new(100 + ft_event->ric_ies_len, GFP_KERNEL); + msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len, + GFP_KERNEL); if (!msg) return; diff --git a/net/wireless/reg.c b/net/wireless/reg.c index ac3e12c32aa3..5fcec5c94eb7 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -916,6 +916,9 @@ int reg_query_regdb_wmm(char *alpha2, int freq, u32 *dbptr, const struct fwdb_header *hdr = regdb; const struct fwdb_country *country; + if (!regdb) + return -ENODATA; + if (IS_ERR(regdb)) return PTR_ERR(regdb); diff --git a/tools/testing/selftests/bpf/config b/tools/testing/selftests/bpf/config index 983dd25d49f4..1eefe211a4a8 100644 --- a/tools/testing/selftests/bpf/config +++ b/tools/testing/selftests/bpf/config @@ -5,3 +5,5 @@ CONFIG_BPF_EVENTS=y CONFIG_TEST_BPF=m CONFIG_CGROUP_BPF=y CONFIG_NETDEVSIM=m +CONFIG_NET_CLS_ACT=y +CONFIG_NET_SCH_INGRESS=y diff --git a/tools/testing/selftests/net/config b/tools/testing/selftests/net/config index 6a75a3ea44ad..7ba089b33e8b 100644 --- a/tools/testing/selftests/net/config +++ b/tools/testing/selftests/net/config @@ -7,3 +7,8 @@ CONFIG_NET_L3_MASTER_DEV=y CONFIG_IPV6=y CONFIG_IPV6_MULTIPLE_TABLES=y CONFIG_VETH=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_NET_IPVTI=y +CONFIG_INET6_XFRM_MODE_TUNNEL=y +CONFIG_IPV6_VTI=y +CONFIG_DUMMY=y diff --git a/tools/testing/selftests/net/reuseport_bpf_numa.c b/tools/testing/selftests/net/reuseport_bpf_numa.c index 365c32e84189..c9f478b40996 100644 --- a/tools/testing/selftests/net/reuseport_bpf_numa.c +++ b/tools/testing/selftests/net/reuseport_bpf_numa.c @@ -23,6 +23,8 @@ #include <unistd.h> #include <numa.h> +#include "../kselftest.h" + static const int PORT = 8888; static void build_rcv_group(int *rcv_fd, size_t len, int family, int proto) @@ -229,7 +231,7 @@ int main(void) int *rcv_fd, nodes; if (numa_available() < 0) - error(1, errno, "no numa api support"); + ksft_exit_skip("no numa api support\n"); nodes = numa_max_node() + 1; |