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Date: Sun, 28 Jul 2019 08:58:52 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, Jiri Slaby <jslaby@...e.cz>
Subject: Re: Linux 5.2.4
diff --git a/Makefile b/Makefile
index bcb6a2465e21..68ee97784c4d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 2
-SUBLEVEL = 3
+SUBLEVEL = 4
EXTRAVERSION =
NAME = Bobtail Squid
diff --git a/arch/mips/jz4740/board-qi_lb60.c b/arch/mips/jz4740/board-qi_lb60.c
index 071e9d94eea7..daed44ee116d 100644
--- a/arch/mips/jz4740/board-qi_lb60.c
+++ b/arch/mips/jz4740/board-qi_lb60.c
@@ -466,27 +466,27 @@ static unsigned long pin_cfg_bias_disable[] = {
static struct pinctrl_map pin_map[] __initdata = {
/* NAND pin configuration */
PIN_MAP_MUX_GROUP_DEFAULT("jz4740-nand",
- "10010000.jz4740-pinctrl", "nand", "nand-cs1"),
+ "10010000.pin-controller", "nand-cs1", "nand"),
/* fbdev pin configuration */
PIN_MAP_MUX_GROUP("jz4740-fb", PINCTRL_STATE_DEFAULT,
- "10010000.jz4740-pinctrl", "lcd", "lcd-8bit"),
+ "10010000.pin-controller", "lcd-8bit", "lcd"),
PIN_MAP_MUX_GROUP("jz4740-fb", PINCTRL_STATE_SLEEP,
- "10010000.jz4740-pinctrl", "lcd", "lcd-no-pins"),
+ "10010000.pin-controller", "lcd-no-pins", "lcd"),
/* MMC pin configuration */
PIN_MAP_MUX_GROUP_DEFAULT("jz4740-mmc.0",
- "10010000.jz4740-pinctrl", "mmc", "mmc-1bit"),
+ "10010000.pin-controller", "mmc-1bit", "mmc"),
PIN_MAP_MUX_GROUP_DEFAULT("jz4740-mmc.0",
- "10010000.jz4740-pinctrl", "mmc", "mmc-4bit"),
+ "10010000.pin-controller", "mmc-4bit", "mmc"),
PIN_MAP_CONFIGS_PIN_DEFAULT("jz4740-mmc.0",
- "10010000.jz4740-pinctrl", "PD0", pin_cfg_bias_disable),
+ "10010000.pin-controller", "PD0", pin_cfg_bias_disable),
PIN_MAP_CONFIGS_PIN_DEFAULT("jz4740-mmc.0",
- "10010000.jz4740-pinctrl", "PD2", pin_cfg_bias_disable),
+ "10010000.pin-controller", "PD2", pin_cfg_bias_disable),
/* PWM pin configuration */
PIN_MAP_MUX_GROUP_DEFAULT("jz4740-pwm",
- "10010000.jz4740-pinctrl", "pwm4", "pwm4"),
+ "10010000.pin-controller", "pwm4", "pwm4"),
};
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 26d1eb83f72a..08f46951c430 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -607,15 +607,16 @@ struct kvm_vcpu_arch {
/*
* QEMU userspace and the guest each have their own FPU state.
- * In vcpu_run, we switch between the user, maintained in the
- * task_struct struct, and guest FPU contexts. While running a VCPU,
- * the VCPU thread will have the guest FPU context.
+ * In vcpu_run, we switch between the user and guest FPU contexts.
+ * While running a VCPU, the VCPU thread will have the guest FPU
+ * context.
*
* Note that while the PKRU state lives inside the fpu registers,
* it is switched out separately at VMENTER and VMEXIT time. The
* "guest_fpu" state here contains the guest FPU context, with the
* host PRKU bits.
*/
+ struct fpu user_fpu;
struct fpu *guest_fpu;
u64 xcr0;
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index 7df4f46499e1..b101127e13b6 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -184,6 +184,7 @@ static void vmx_disable_shadow_vmcs(struct vcpu_vmx *vmx)
{
vmcs_clear_bits(SECONDARY_VM_EXEC_CONTROL, SECONDARY_EXEC_SHADOW_VMCS);
vmcs_write64(VMCS_LINK_POINTER, -1ull);
+ vmx->nested.need_vmcs12_sync = false;
}
static inline void nested_release_evmcs(struct kvm_vcpu *vcpu)
@@ -209,6 +210,8 @@ static void free_nested(struct kvm_vcpu *vcpu)
if (!vmx->nested.vmxon && !vmx->nested.smm.vmxon)
return;
+ kvm_clear_request(KVM_REQ_GET_VMCS12_PAGES, vcpu);
+
vmx->nested.vmxon = false;
vmx->nested.smm.vmxon = false;
free_vpid(vmx->nested.vpid02);
@@ -1321,6 +1324,9 @@ static void copy_shadow_to_vmcs12(struct vcpu_vmx *vmx)
u64 field_value;
struct vmcs *shadow_vmcs = vmx->vmcs01.shadow_vmcs;
+ if (WARN_ON(!shadow_vmcs))
+ return;
+
preempt_disable();
vmcs_load(shadow_vmcs);
@@ -1359,6 +1365,9 @@ static void copy_vmcs12_to_shadow(struct vcpu_vmx *vmx)
u64 field_value = 0;
struct vmcs *shadow_vmcs = vmx->vmcs01.shadow_vmcs;
+ if (WARN_ON(!shadow_vmcs))
+ return;
+
vmcs_load(shadow_vmcs);
for (q = 0; q < ARRAY_SIZE(fields); q++) {
@@ -4300,7 +4309,6 @@ static inline void nested_release_vmcs12(struct kvm_vcpu *vcpu)
/* copy to memory all shadowed fields in case
they were modified */
copy_shadow_to_vmcs12(vmx);
- vmx->nested.need_vmcs12_sync = false;
vmx_disable_shadow_vmcs(vmx);
}
vmx->nested.posted_intr_nv = -1;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index fafd81d2c9ea..a4eceb0b5dde 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -8219,7 +8219,7 @@ static void kvm_load_guest_fpu(struct kvm_vcpu *vcpu)
{
fpregs_lock();
- copy_fpregs_to_fpstate(¤t->thread.fpu);
+ copy_fpregs_to_fpstate(&vcpu->arch.user_fpu);
/* PKRU is separately restored in kvm_x86_ops->run. */
__copy_kernel_to_fpregs(&vcpu->arch.guest_fpu->state,
~XFEATURE_MASK_PKRU);
@@ -8236,7 +8236,7 @@ static void kvm_put_guest_fpu(struct kvm_vcpu *vcpu)
fpregs_lock();
copy_fpregs_to_fpstate(vcpu->arch.guest_fpu);
- copy_kernel_to_fpregs(¤t->thread.fpu.state);
+ copy_kernel_to_fpregs(&vcpu->arch.user_fpu.state);
fpregs_mark_activate();
fpregs_unlock();
diff --git a/block/blk-zoned.c b/block/blk-zoned.c
index 3249738242b4..0434e2846028 100644
--- a/block/blk-zoned.c
+++ b/block/blk-zoned.c
@@ -14,6 +14,9 @@
#include <linux/rbtree.h>
#include <linux/blkdev.h>
#include <linux/blk-mq.h>
+#include <linux/mm.h>
+#include <linux/vmalloc.h>
+#include <linux/sched/mm.h>
#include "blk.h"
@@ -373,22 +376,25 @@ static inline unsigned long *blk_alloc_zone_bitmap(int node,
* Allocate an array of struct blk_zone to get nr_zones zone information.
* The allocated array may be smaller than nr_zones.
*/
-static struct blk_zone *blk_alloc_zones(int node, unsigned int *nr_zones)
+static struct blk_zone *blk_alloc_zones(unsigned int *nr_zones)
{
- size_t size = *nr_zones * sizeof(struct blk_zone);
- struct page *page;
- int order;
-
- for (order = get_order(size); order >= 0; order--) {
- page = alloc_pages_node(node, GFP_NOIO | __GFP_ZERO, order);
- if (page) {
- *nr_zones = min_t(unsigned int, *nr_zones,
- (PAGE_SIZE << order) / sizeof(struct blk_zone));
- return page_address(page);
- }
+ struct blk_zone *zones;
+ size_t nrz = min(*nr_zones, BLK_ZONED_REPORT_MAX_ZONES);
+
+ /*
+ * GFP_KERNEL here is meaningless as the caller task context has
+ * the PF_MEMALLOC_NOIO flag set in blk_revalidate_disk_zones()
+ * with memalloc_noio_save().
+ */
+ zones = kvcalloc(nrz, sizeof(struct blk_zone), GFP_KERNEL);
+ if (!zones) {
+ *nr_zones = 0;
+ return NULL;
}
- return NULL;
+ *nr_zones = nrz;
+
+ return zones;
}
void blk_queue_free_zone_bitmaps(struct request_queue *q)
@@ -415,6 +421,7 @@ int blk_revalidate_disk_zones(struct gendisk *disk)
unsigned long *seq_zones_wlock = NULL, *seq_zones_bitmap = NULL;
unsigned int i, rep_nr_zones = 0, z = 0, nrz;
struct blk_zone *zones = NULL;
+ unsigned int noio_flag;
sector_t sector = 0;
int ret = 0;
@@ -427,6 +434,12 @@ int blk_revalidate_disk_zones(struct gendisk *disk)
return 0;
}
+ /*
+ * Ensure that all memory allocations in this context are done as
+ * if GFP_NOIO was specified.
+ */
+ noio_flag = memalloc_noio_save();
+
if (!blk_queue_is_zoned(q) || !nr_zones) {
nr_zones = 0;
goto update;
@@ -443,7 +456,7 @@ int blk_revalidate_disk_zones(struct gendisk *disk)
/* Get zone information and initialize seq_zones_bitmap */
rep_nr_zones = nr_zones;
- zones = blk_alloc_zones(q->node, &rep_nr_zones);
+ zones = blk_alloc_zones(&rep_nr_zones);
if (!zones)
goto out;
@@ -480,8 +493,9 @@ int blk_revalidate_disk_zones(struct gendisk *disk)
blk_mq_unfreeze_queue(q);
out:
- free_pages((unsigned long)zones,
- get_order(rep_nr_zones * sizeof(struct blk_zone)));
+ memalloc_noio_restore(noio_flag);
+
+ kvfree(zones);
kfree(seq_zones_wlock);
kfree(seq_zones_bitmap);
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index bf4d4c80fbc6..a6fee5a6e9fb 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -1057,6 +1057,7 @@ static int dma_buf_debug_show(struct seq_file *s, void *unused)
fence->ops->get_driver_name(fence),
fence->ops->get_timeline_name(fence),
dma_fence_is_signaled(fence) ? "" : "un");
+ dma_fence_put(fence);
}
rcu_read_unlock();
diff --git a/drivers/dma-buf/reservation.c b/drivers/dma-buf/reservation.c
index 4d32e2c67862..4447e13d1e89 100644
--- a/drivers/dma-buf/reservation.c
+++ b/drivers/dma-buf/reservation.c
@@ -365,6 +365,10 @@ int reservation_object_get_fences_rcu(struct reservation_object *obj,
GFP_NOWAIT | __GFP_NOWARN);
if (!nshared) {
rcu_read_unlock();
+
+ dma_fence_put(fence_excl);
+ fence_excl = NULL;
+
nshared = krealloc(shared, sz, GFP_KERNEL);
if (nshared) {
shared = nshared;
diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c
index 3bbf5804bd11..de4da2ed7955 100644
--- a/drivers/gpio/gpio-davinci.c
+++ b/drivers/gpio/gpio-davinci.c
@@ -238,8 +238,9 @@ static int davinci_gpio_probe(struct platform_device *pdev)
for (i = 0; i < nirq; i++) {
chips->irqs[i] = platform_get_irq(pdev, i);
if (chips->irqs[i] < 0) {
- dev_info(dev, "IRQ not populated, err = %d\n",
- chips->irqs[i]);
+ if (chips->irqs[i] != -EPROBE_DEFER)
+ dev_info(dev, "IRQ not populated, err = %d\n",
+ chips->irqs[i]);
return chips->irqs[i];
}
}
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 9c9b965d7d6d..c9325efc1783 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -118,15 +118,8 @@ static void of_gpio_flags_quirks(struct device_node *np,
* Legacy handling of SPI active high chip select. If we have a
* property named "cs-gpios" we need to inspect the child node
* to determine if the flags should have inverted semantics.
- *
- * This does not apply to an SPI device named "spi-gpio", because
- * these have traditionally obtained their own GPIOs by parsing
- * the device tree directly and did not respect any "spi-cs-high"
- * property on the SPI bus children.
*/
- if (IS_ENABLED(CONFIG_SPI_MASTER) &&
- !strcmp(propname, "cs-gpios") &&
- !of_device_is_compatible(np, "spi-gpio") &&
+ if (IS_ENABLED(CONFIG_SPI_MASTER) && !strcmp(propname, "cs-gpios") &&
of_property_read_bool(np, "cs-gpios")) {
struct device_node *child;
u32 cs;
@@ -161,6 +154,7 @@ static void of_gpio_flags_quirks(struct device_node *np,
of_node_full_name(child));
*flags |= OF_GPIO_ACTIVE_LOW;
}
+ of_node_put(child);
break;
}
}
diff --git a/drivers/net/caif/caif_hsi.c b/drivers/net/caif/caif_hsi.c
index b2f10b6ad6e5..bbb2575d4728 100644
--- a/drivers/net/caif/caif_hsi.c
+++ b/drivers/net/caif/caif_hsi.c
@@ -1455,7 +1455,7 @@ static void __exit cfhsi_exit_module(void)
rtnl_lock();
list_for_each_safe(list_node, n, &cfhsi_list) {
cfhsi = list_entry(list_node, struct cfhsi, list);
- unregister_netdev(cfhsi->ndev);
+ unregister_netdevice(cfhsi->ndev);
}
rtnl_unlock();
}
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 063c7a671b41..2e8b1ab2c6f7 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -4711,6 +4711,8 @@ static int mv88e6xxx_probe(struct mdio_device *mdiodev)
err = PTR_ERR(chip->reset);
goto out;
}
+ if (chip->reset)
+ usleep_range(1000, 2000);
err = mv88e6xxx_detect(chip);
if (err)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index c12c1bab0fe4..bf39fc83d577 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -285,6 +285,9 @@ int bnx2x_tx_int(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata)
hw_cons = le16_to_cpu(*txdata->tx_cons_sb);
sw_cons = txdata->tx_pkt_cons;
+ /* Ensure subsequent loads occur after hw_cons */
+ smp_rmb();
+
while (sw_cons != hw_cons) {
u16 pkt_cons;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 9090c79387c1..7afae9d80e75 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -3022,7 +3022,7 @@ static int bnxt_alloc_vnics(struct bnxt *bp)
int num_vnics = 1;
#ifdef CONFIG_RFS_ACCEL
- if (bp->flags & BNXT_FLAG_RFS)
+ if ((bp->flags & (BNXT_FLAG_RFS | BNXT_FLAG_CHIP_P5)) == BNXT_FLAG_RFS)
num_vnics += bp->rx_nr_rings;
#endif
@@ -7133,6 +7133,9 @@ static int bnxt_alloc_rfs_vnics(struct bnxt *bp)
#ifdef CONFIG_RFS_ACCEL
int i, rc = 0;
+ if (bp->flags & BNXT_FLAG_CHIP_P5)
+ return 0;
+
for (i = 0; i < bp->rx_nr_rings; i++) {
struct bnxt_vnic_info *vnic;
u16 vnic_id = i + 1;
@@ -9592,7 +9595,7 @@ int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs,
return -ENOMEM;
vnics = 1;
- if (bp->flags & BNXT_FLAG_RFS)
+ if ((bp->flags & (BNXT_FLAG_RFS | BNXT_FLAG_CHIP_P5)) == BNXT_FLAG_RFS)
vnics += rx_rings;
if (bp->flags & BNXT_FLAG_AGG_RINGS)
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 41b50e6570ea..2369b4bd63e3 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -3083,39 +3083,42 @@ static void bcmgenet_timeout(struct net_device *dev)
netif_tx_wake_all_queues(dev);
}
-#define MAX_MC_COUNT 16
+#define MAX_MDF_FILTER 17
static inline void bcmgenet_set_mdf_addr(struct bcmgenet_priv *priv,
unsigned char *addr,
- int *i,
- int *mc)
+ int *i)
{
- u32 reg;
-
bcmgenet_umac_writel(priv, addr[0] << 8 | addr[1],
UMAC_MDF_ADDR + (*i * 4));
bcmgenet_umac_writel(priv, addr[2] << 24 | addr[3] << 16 |
addr[4] << 8 | addr[5],
UMAC_MDF_ADDR + ((*i + 1) * 4));
- reg = bcmgenet_umac_readl(priv, UMAC_MDF_CTRL);
- reg |= (1 << (MAX_MC_COUNT - *mc));
- bcmgenet_umac_writel(priv, reg, UMAC_MDF_CTRL);
*i += 2;
- (*mc)++;
}
static void bcmgenet_set_rx_mode(struct net_device *dev)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
struct netdev_hw_addr *ha;
- int i, mc;
+ int i, nfilter;
u32 reg;
netif_dbg(priv, hw, dev, "%s: %08X\n", __func__, dev->flags);
- /* Promiscuous mode */
+ /* Number of filters needed */
+ nfilter = netdev_uc_count(dev) + netdev_mc_count(dev) + 2;
+
+ /*
+ * Turn on promicuous mode for three scenarios
+ * 1. IFF_PROMISC flag is set
+ * 2. IFF_ALLMULTI flag is set
+ * 3. The number of filters needed exceeds the number filters
+ * supported by the hardware.
+ */
reg = bcmgenet_umac_readl(priv, UMAC_CMD);
- if (dev->flags & IFF_PROMISC) {
+ if ((dev->flags & (IFF_PROMISC | IFF_ALLMULTI)) ||
+ (nfilter > MAX_MDF_FILTER)) {
reg |= CMD_PROMISC;
bcmgenet_umac_writel(priv, reg, UMAC_CMD);
bcmgenet_umac_writel(priv, 0, UMAC_MDF_CTRL);
@@ -3125,32 +3128,24 @@ static void bcmgenet_set_rx_mode(struct net_device *dev)
bcmgenet_umac_writel(priv, reg, UMAC_CMD);
}
- /* UniMac doesn't support ALLMULTI */
- if (dev->flags & IFF_ALLMULTI) {
- netdev_warn(dev, "ALLMULTI is not supported\n");
- return;
- }
-
/* update MDF filter */
i = 0;
- mc = 0;
/* Broadcast */
- bcmgenet_set_mdf_addr(priv, dev->broadcast, &i, &mc);
+ bcmgenet_set_mdf_addr(priv, dev->broadcast, &i);
/* my own address.*/
- bcmgenet_set_mdf_addr(priv, dev->dev_addr, &i, &mc);
- /* Unicast list*/
- if (netdev_uc_count(dev) > (MAX_MC_COUNT - mc))
- return;
+ bcmgenet_set_mdf_addr(priv, dev->dev_addr, &i);
- if (!netdev_uc_empty(dev))
- netdev_for_each_uc_addr(ha, dev)
- bcmgenet_set_mdf_addr(priv, ha->addr, &i, &mc);
- /* Multicast */
- if (netdev_mc_empty(dev) || netdev_mc_count(dev) >= (MAX_MC_COUNT - mc))
- return;
+ /* Unicast */
+ netdev_for_each_uc_addr(ha, dev)
+ bcmgenet_set_mdf_addr(priv, ha->addr, &i);
+ /* Multicast */
netdev_for_each_mc_addr(ha, dev)
- bcmgenet_set_mdf_addr(priv, ha->addr, &i, &mc);
+ bcmgenet_set_mdf_addr(priv, ha->addr, &i);
+
+ /* Enable filters */
+ reg = GENMASK(MAX_MDF_FILTER - 1, MAX_MDF_FILTER - nfilter);
+ bcmgenet_umac_writel(priv, reg, UMAC_MDF_CTRL);
}
/* Set the hardware MAC address. */
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index fe518c854d1f..c93a6f9b735b 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -4917,6 +4917,13 @@ static const struct dmi_system_id msi_blacklist[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "P-79"),
},
},
+ {
+ .ident = "ASUS P6T",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
+ DMI_MATCH(DMI_BOARD_NAME, "P6T"),
+ },
+ },
{}
};
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index cc6797e24571..cc227a7aa79f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -294,6 +294,7 @@ enum {
MLX5E_RQ_STATE_ENABLED,
MLX5E_RQ_STATE_AM,
MLX5E_RQ_STATE_NO_CSUM_COMPLETE,
+ MLX5E_RQ_STATE_CSUM_FULL, /* cqe_csum_full hw bit is set */
};
struct mlx5e_cq {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
index 476dd97f7f2f..f3d98748b211 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
@@ -142,22 +142,20 @@ static int mlx5e_tx_reporter_timeout_recover(struct mlx5e_txqsq *sq)
{
struct mlx5_eq_comp *eq = sq->cq.mcq.eq;
u32 eqe_count;
- int ret;
netdev_err(sq->channel->netdev, "EQ 0x%x: Cons = 0x%x, irqn = 0x%x\n",
eq->core.eqn, eq->core.cons_index, eq->core.irqn);
eqe_count = mlx5_eq_poll_irq_disabled(eq);
- ret = eqe_count ? false : true;
if (!eqe_count) {
clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state);
- return ret;
+ return -EIO;
}
netdev_err(sq->channel->netdev, "Recover %d eqes on EQ 0x%x\n",
eqe_count, eq->core.eqn);
sq->channel->stats->eq_rearm++;
- return ret;
+ return 0;
}
int mlx5e_tx_reporter_timeout(struct mlx5e_txqsq *sq)
@@ -264,13 +262,13 @@ static int mlx5e_tx_reporter_diagnose(struct devlink_health_reporter *reporter,
err = mlx5_core_query_sq_state(priv->mdev, sq->sqn, &state);
if (err)
- break;
+ goto unlock;
err = mlx5e_tx_reporter_build_diagnose_output(fmsg, sq->sqn,
state,
netif_xmit_stopped(sq->txq));
if (err)
- break;
+ goto unlock;
}
err = devlink_fmsg_arr_pair_nest_end(fmsg);
if (err)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 8db9fdbc03ea..a44c24280128 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -855,6 +855,9 @@ static int mlx5e_open_rq(struct mlx5e_channel *c,
if (err)
goto err_destroy_rq;
+ if (MLX5_CAP_ETH(c->mdev, cqe_checksum_full))
+ __set_bit(MLX5E_RQ_STATE_CSUM_FULL, &c->rq.state);
+
if (params->rx_dim_enabled)
__set_bit(MLX5E_RQ_STATE_AM, &c->rq.state);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index 13133e7f088e..8a5f9411cac6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -873,8 +873,14 @@ static inline void mlx5e_handle_csum(struct net_device *netdev,
if (unlikely(get_ip_proto(skb, network_depth, proto) == IPPROTO_SCTP))
goto csum_unnecessary;
+ stats->csum_complete++;
skb->ip_summed = CHECKSUM_COMPLETE;
skb->csum = csum_unfold((__force __sum16)cqe->check_sum);
+
+ if (test_bit(MLX5E_RQ_STATE_CSUM_FULL, &rq->state))
+ return; /* CQE csum covers all received bytes */
+
+ /* csum might need some fixups ...*/
if (network_depth > ETH_HLEN)
/* CQE csum is calculated from the IP header and does
* not cover VLAN headers (if present). This will add
@@ -885,7 +891,6 @@ static inline void mlx5e_handle_csum(struct net_device *netdev,
skb->csum);
mlx5e_skb_padding_csum(skb, network_depth, proto, stats);
- stats->csum_complete++;
return;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index acab26b88261..535221b5256b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1882,11 +1882,6 @@ int mlx5_eswitch_init(struct mlx5_core_dev *dev)
esw->enabled_vports = 0;
esw->mode = SRIOV_NONE;
esw->offloads.inline_mode = MLX5_INLINE_MODE_NONE;
- if (MLX5_CAP_ESW_FLOWTABLE_FDB(dev, reformat) &&
- MLX5_CAP_ESW_FLOWTABLE_FDB(dev, decap))
- esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_BASIC;
- else
- esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_NONE;
dev->priv.eswitch = esw;
return 0;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index 47b446d30f71..c2beadc41c40 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -1840,6 +1840,12 @@ int esw_offloads_init(struct mlx5_eswitch *esw, int vf_nvports,
{
int err;
+ if (MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, reformat) &&
+ MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, decap))
+ esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_BASIC;
+ else
+ esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_NONE;
+
err = esw_offloads_steering_init(esw, vf_nvports, total_nvports);
if (err)
return err;
@@ -1901,6 +1907,7 @@ void esw_offloads_cleanup(struct mlx5_eswitch *esw)
esw_offloads_devcom_cleanup(esw);
esw_offloads_unload_all_reps(esw, num_vfs);
esw_offloads_steering_cleanup(esw);
+ esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_NONE;
}
static int esw_mode_from_devlink(u16 mode, u16 *mlx5_mode)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
index 9ca492b430d8..603d294757b4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
@@ -698,7 +698,9 @@ static int mlx5_rdma_setup_rn(struct ib_device *ibdev, u8 port_num,
prof->init(mdev, netdev, prof, ipriv);
- mlx5e_attach_netdev(epriv);
+ err = mlx5e_attach_netdev(epriv);
+ if (err)
+ goto detach;
netif_carrier_off(netdev);
/* set rdma_netdev func pointers */
@@ -714,6 +716,11 @@ static int mlx5_rdma_setup_rn(struct ib_device *ibdev, u8 port_num,
return 0;
+detach:
+ prof->cleanup(epriv);
+ if (ipriv->sub_interface)
+ return err;
+ mlx5e_destroy_mdev_resources(mdev);
destroy_ht:
mlx5i_pkey_qpn_ht_cleanup(netdev);
return err;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/port_tun.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/port_tun.c
index be69c1d7941a..48b5c847b642 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/port_tun.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/port_tun.c
@@ -98,27 +98,12 @@ static int mlx5_set_entropy(struct mlx5_tun_entropy *tun_entropy,
*/
if (entropy_flags.gre_calc_supported &&
reformat_type == MLX5_REFORMAT_TYPE_L2_TO_NVGRE) {
- /* Other applications may change the global FW entropy
- * calculations settings. Check that the current entropy value
- * is the negative of the updated value.
- */
- if (entropy_flags.force_enabled &&
- enable == entropy_flags.gre_calc_enabled) {
- mlx5_core_warn(tun_entropy->mdev,
- "Unexpected GRE entropy calc setting - expected %d",
- !entropy_flags.gre_calc_enabled);
- return -EOPNOTSUPP;
- }
- err = mlx5_set_port_gre_tun_entropy_calc(tun_entropy->mdev, enable,
- entropy_flags.force_supported);
+ if (!entropy_flags.force_supported)
+ return 0;
+ err = mlx5_set_port_gre_tun_entropy_calc(tun_entropy->mdev,
+ enable, !enable);
if (err)
return err;
- /* if we turn on the entropy we don't need to force it anymore */
- if (entropy_flags.force_supported && enable) {
- err = mlx5_set_port_gre_tun_entropy_calc(tun_entropy->mdev, 1, 0);
- if (err)
- return err;
- }
} else if (entropy_flags.calc_supported) {
/* Other applications may change the global FW entropy
* calculations settings. Check that the current entropy value
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
index 8601b3041acd..332195d96c62 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
@@ -805,6 +805,7 @@ int mlxsw_sp_setup_tc_prio(struct mlxsw_sp_port *mlxsw_sp_port,
struct tc_prio_qopt_offload *p);
/* spectrum_fid.c */
+bool mlxsw_sp_fid_is_dummy(struct mlxsw_sp *mlxsw_sp, u16 fid_index);
bool mlxsw_sp_fid_lag_vid_valid(const struct mlxsw_sp_fid *fid);
struct mlxsw_sp_fid *mlxsw_sp_fid_lookup_by_index(struct mlxsw_sp *mlxsw_sp,
u16 fid_index);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c
index b25048c6c761..21296fa7f7fb 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dcb.c
@@ -408,14 +408,6 @@ static int mlxsw_sp_port_dcb_app_update(struct mlxsw_sp_port *mlxsw_sp_port)
have_dscp = mlxsw_sp_port_dcb_app_prio_dscp_map(mlxsw_sp_port,
&prio_map);
- if (!have_dscp) {
- err = mlxsw_sp_port_dcb_toggle_trust(mlxsw_sp_port,
- MLXSW_REG_QPTS_TRUST_STATE_PCP);
- if (err)
- netdev_err(mlxsw_sp_port->dev, "Couldn't switch to trust L2\n");
- return err;
- }
-
mlxsw_sp_port_dcb_app_dscp_prio_map(mlxsw_sp_port, default_prio,
&dscp_map);
err = mlxsw_sp_port_dcb_app_update_qpdpm(mlxsw_sp_port,
@@ -432,6 +424,14 @@ static int mlxsw_sp_port_dcb_app_update(struct mlxsw_sp_port *mlxsw_sp_port)
return err;
}
+ if (!have_dscp) {
+ err = mlxsw_sp_port_dcb_toggle_trust(mlxsw_sp_port,
+ MLXSW_REG_QPTS_TRUST_STATE_PCP);
+ if (err)
+ netdev_err(mlxsw_sp_port->dev, "Couldn't switch to trust L2\n");
+ return err;
+ }
+
err = mlxsw_sp_port_dcb_toggle_trust(mlxsw_sp_port,
MLXSW_REG_QPTS_TRUST_STATE_DSCP);
if (err) {
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c
index 46baf3b44309..8df3cb21baa6 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c
@@ -126,6 +126,16 @@ static const int *mlxsw_sp_packet_type_sfgc_types[] = {
[MLXSW_SP_FLOOD_TYPE_MC] = mlxsw_sp_sfgc_mc_packet_types,
};
+bool mlxsw_sp_fid_is_dummy(struct mlxsw_sp *mlxsw_sp, u16 fid_index)
+{
+ enum mlxsw_sp_fid_type fid_type = MLXSW_SP_FID_TYPE_DUMMY;
+ struct mlxsw_sp_fid_family *fid_family;
+
+ fid_family = mlxsw_sp->fid_core->fid_family_arr[fid_type];
+
+ return fid_family->start_index == fid_index;
+}
+
bool mlxsw_sp_fid_lag_vid_valid(const struct mlxsw_sp_fid *fid)
{
return fid->fid_family->lag_vid_valid;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 50111f228d77..5ecb45118400 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -2468,6 +2468,9 @@ static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp,
goto just_remove;
}
+ if (mlxsw_sp_fid_is_dummy(mlxsw_sp, fid))
+ goto just_remove;
+
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_fid(mlxsw_sp_port, fid);
if (!mlxsw_sp_port_vlan) {
netdev_err(mlxsw_sp_port->dev, "Failed to find a matching {Port, VID} following FDB notification\n");
@@ -2527,6 +2530,9 @@ static void mlxsw_sp_fdb_notify_mac_lag_process(struct mlxsw_sp *mlxsw_sp,
goto just_remove;
}
+ if (mlxsw_sp_fid_is_dummy(mlxsw_sp, fid))
+ goto just_remove;
+
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_fid(mlxsw_sp_port, fid);
if (!mlxsw_sp_port_vlan) {
netdev_err(mlxsw_sp_port->dev, "Failed to find a matching {Port, VID} following FDB notification\n");
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index d06a61f00e78..96637fcbe65d 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -5157,6 +5157,143 @@ static void rtl_hw_start_8411_2(struct rtl8169_private *tp)
/* disable aspm and clock request before access ephy */
rtl_hw_aspm_clkreq_enable(tp, false);
rtl_ephy_init(tp, e_info_8411_2);
+
+ /* The following Realtek-provided magic fixes an issue with the RX unit
+ * getting confused after the PHY having been powered-down.
+ */
+ r8168_mac_ocp_write(tp, 0xFC28, 0x0000);
+ r8168_mac_ocp_write(tp, 0xFC2A, 0x0000);
+ r8168_mac_ocp_write(tp, 0xFC2C, 0x0000);
+ r8168_mac_ocp_write(tp, 0xFC2E, 0x0000);
+ r8168_mac_ocp_write(tp, 0xFC30, 0x0000);
+ r8168_mac_ocp_write(tp, 0xFC32, 0x0000);
+ r8168_mac_ocp_write(tp, 0xFC34, 0x0000);
+ r8168_mac_ocp_write(tp, 0xFC36, 0x0000);
+ mdelay(3);
+ r8168_mac_ocp_write(tp, 0xFC26, 0x0000);
+
+ r8168_mac_ocp_write(tp, 0xF800, 0xE008);
+ r8168_mac_ocp_write(tp, 0xF802, 0xE00A);
+ r8168_mac_ocp_write(tp, 0xF804, 0xE00C);
+ r8168_mac_ocp_write(tp, 0xF806, 0xE00E);
+ r8168_mac_ocp_write(tp, 0xF808, 0xE027);
+ r8168_mac_ocp_write(tp, 0xF80A, 0xE04F);
+ r8168_mac_ocp_write(tp, 0xF80C, 0xE05E);
+ r8168_mac_ocp_write(tp, 0xF80E, 0xE065);
+ r8168_mac_ocp_write(tp, 0xF810, 0xC602);
+ r8168_mac_ocp_write(tp, 0xF812, 0xBE00);
+ r8168_mac_ocp_write(tp, 0xF814, 0x0000);
+ r8168_mac_ocp_write(tp, 0xF816, 0xC502);
+ r8168_mac_ocp_write(tp, 0xF818, 0xBD00);
+ r8168_mac_ocp_write(tp, 0xF81A, 0x074C);
+ r8168_mac_ocp_write(tp, 0xF81C, 0xC302);
+ r8168_mac_ocp_write(tp, 0xF81E, 0xBB00);
+ r8168_mac_ocp_write(tp, 0xF820, 0x080A);
+ r8168_mac_ocp_write(tp, 0xF822, 0x6420);
+ r8168_mac_ocp_write(tp, 0xF824, 0x48C2);
+ r8168_mac_ocp_write(tp, 0xF826, 0x8C20);
+ r8168_mac_ocp_write(tp, 0xF828, 0xC516);
+ r8168_mac_ocp_write(tp, 0xF82A, 0x64A4);
+ r8168_mac_ocp_write(tp, 0xF82C, 0x49C0);
+ r8168_mac_ocp_write(tp, 0xF82E, 0xF009);
+ r8168_mac_ocp_write(tp, 0xF830, 0x74A2);
+ r8168_mac_ocp_write(tp, 0xF832, 0x8CA5);
+ r8168_mac_ocp_write(tp, 0xF834, 0x74A0);
+ r8168_mac_ocp_write(tp, 0xF836, 0xC50E);
+ r8168_mac_ocp_write(tp, 0xF838, 0x9CA2);
+ r8168_mac_ocp_write(tp, 0xF83A, 0x1C11);
+ r8168_mac_ocp_write(tp, 0xF83C, 0x9CA0);
+ r8168_mac_ocp_write(tp, 0xF83E, 0xE006);
+ r8168_mac_ocp_write(tp, 0xF840, 0x74F8);
+ r8168_mac_ocp_write(tp, 0xF842, 0x48C4);
+ r8168_mac_ocp_write(tp, 0xF844, 0x8CF8);
+ r8168_mac_ocp_write(tp, 0xF846, 0xC404);
+ r8168_mac_ocp_write(tp, 0xF848, 0xBC00);
+ r8168_mac_ocp_write(tp, 0xF84A, 0xC403);
+ r8168_mac_ocp_write(tp, 0xF84C, 0xBC00);
+ r8168_mac_ocp_write(tp, 0xF84E, 0x0BF2);
+ r8168_mac_ocp_write(tp, 0xF850, 0x0C0A);
+ r8168_mac_ocp_write(tp, 0xF852, 0xE434);
+ r8168_mac_ocp_write(tp, 0xF854, 0xD3C0);
+ r8168_mac_ocp_write(tp, 0xF856, 0x49D9);
+ r8168_mac_ocp_write(tp, 0xF858, 0xF01F);
+ r8168_mac_ocp_write(tp, 0xF85A, 0xC526);
+ r8168_mac_ocp_write(tp, 0xF85C, 0x64A5);
+ r8168_mac_ocp_write(tp, 0xF85E, 0x1400);
+ r8168_mac_ocp_write(tp, 0xF860, 0xF007);
+ r8168_mac_ocp_write(tp, 0xF862, 0x0C01);
+ r8168_mac_ocp_write(tp, 0xF864, 0x8CA5);
+ r8168_mac_ocp_write(tp, 0xF866, 0x1C15);
+ r8168_mac_ocp_write(tp, 0xF868, 0xC51B);
+ r8168_mac_ocp_write(tp, 0xF86A, 0x9CA0);
+ r8168_mac_ocp_write(tp, 0xF86C, 0xE013);
+ r8168_mac_ocp_write(tp, 0xF86E, 0xC519);
+ r8168_mac_ocp_write(tp, 0xF870, 0x74A0);
+ r8168_mac_ocp_write(tp, 0xF872, 0x48C4);
+ r8168_mac_ocp_write(tp, 0xF874, 0x8CA0);
+ r8168_mac_ocp_write(tp, 0xF876, 0xC516);
+ r8168_mac_ocp_write(tp, 0xF878, 0x74A4);
+ r8168_mac_ocp_write(tp, 0xF87A, 0x48C8);
+ r8168_mac_ocp_write(tp, 0xF87C, 0x48CA);
+ r8168_mac_ocp_write(tp, 0xF87E, 0x9CA4);
+ r8168_mac_ocp_write(tp, 0xF880, 0xC512);
+ r8168_mac_ocp_write(tp, 0xF882, 0x1B00);
+ r8168_mac_ocp_write(tp, 0xF884, 0x9BA0);
+ r8168_mac_ocp_write(tp, 0xF886, 0x1B1C);
+ r8168_mac_ocp_write(tp, 0xF888, 0x483F);
+ r8168_mac_ocp_write(tp, 0xF88A, 0x9BA2);
+ r8168_mac_ocp_write(tp, 0xF88C, 0x1B04);
+ r8168_mac_ocp_write(tp, 0xF88E, 0xC508);
+ r8168_mac_ocp_write(tp, 0xF890, 0x9BA0);
+ r8168_mac_ocp_write(tp, 0xF892, 0xC505);
+ r8168_mac_ocp_write(tp, 0xF894, 0xBD00);
+ r8168_mac_ocp_write(tp, 0xF896, 0xC502);
+ r8168_mac_ocp_write(tp, 0xF898, 0xBD00);
+ r8168_mac_ocp_write(tp, 0xF89A, 0x0300);
+ r8168_mac_ocp_write(tp, 0xF89C, 0x051E);
+ r8168_mac_ocp_write(tp, 0xF89E, 0xE434);
+ r8168_mac_ocp_write(tp, 0xF8A0, 0xE018);
+ r8168_mac_ocp_write(tp, 0xF8A2, 0xE092);
+ r8168_mac_ocp_write(tp, 0xF8A4, 0xDE20);
+ r8168_mac_ocp_write(tp, 0xF8A6, 0xD3C0);
+ r8168_mac_ocp_write(tp, 0xF8A8, 0xC50F);
+ r8168_mac_ocp_write(tp, 0xF8AA, 0x76A4);
+ r8168_mac_ocp_write(tp, 0xF8AC, 0x49E3);
+ r8168_mac_ocp_write(tp, 0xF8AE, 0xF007);
+ r8168_mac_ocp_write(tp, 0xF8B0, 0x49C0);
+ r8168_mac_ocp_write(tp, 0xF8B2, 0xF103);
+ r8168_mac_ocp_write(tp, 0xF8B4, 0xC607);
+ r8168_mac_ocp_write(tp, 0xF8B6, 0xBE00);
+ r8168_mac_ocp_write(tp, 0xF8B8, 0xC606);
+ r8168_mac_ocp_write(tp, 0xF8BA, 0xBE00);
+ r8168_mac_ocp_write(tp, 0xF8BC, 0xC602);
+ r8168_mac_ocp_write(tp, 0xF8BE, 0xBE00);
+ r8168_mac_ocp_write(tp, 0xF8C0, 0x0C4C);
+ r8168_mac_ocp_write(tp, 0xF8C2, 0x0C28);
+ r8168_mac_ocp_write(tp, 0xF8C4, 0x0C2C);
+ r8168_mac_ocp_write(tp, 0xF8C6, 0xDC00);
+ r8168_mac_ocp_write(tp, 0xF8C8, 0xC707);
+ r8168_mac_ocp_write(tp, 0xF8CA, 0x1D00);
+ r8168_mac_ocp_write(tp, 0xF8CC, 0x8DE2);
+ r8168_mac_ocp_write(tp, 0xF8CE, 0x48C1);
+ r8168_mac_ocp_write(tp, 0xF8D0, 0xC502);
+ r8168_mac_ocp_write(tp, 0xF8D2, 0xBD00);
+ r8168_mac_ocp_write(tp, 0xF8D4, 0x00AA);
+ r8168_mac_ocp_write(tp, 0xF8D6, 0xE0C0);
+ r8168_mac_ocp_write(tp, 0xF8D8, 0xC502);
+ r8168_mac_ocp_write(tp, 0xF8DA, 0xBD00);
+ r8168_mac_ocp_write(tp, 0xF8DC, 0x0132);
+
+ r8168_mac_ocp_write(tp, 0xFC26, 0x8000);
+
+ r8168_mac_ocp_write(tp, 0xFC2A, 0x0743);
+ r8168_mac_ocp_write(tp, 0xFC2C, 0x0801);
+ r8168_mac_ocp_write(tp, 0xFC2E, 0x0BE9);
+ r8168_mac_ocp_write(tp, 0xFC30, 0x02FD);
+ r8168_mac_ocp_write(tp, 0xFC32, 0x0C25);
+ r8168_mac_ocp_write(tp, 0xFC34, 0x00A9);
+ r8168_mac_ocp_write(tp, 0xFC36, 0x012D);
+
rtl_hw_aspm_clkreq_enable(tp, true);
}
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index dbee9b0113e3..932e54e25b71 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3048,17 +3048,8 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
/* Manage oversized TCP frames for GMAC4 device */
if (skb_is_gso(skb) && priv->tso) {
- if (skb_shinfo(skb)->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) {
- /*
- * There is no way to determine the number of TSO
- * capable Queues. Let's use always the Queue 0
- * because if TSO is supported then at least this
- * one will be capable.
- */
- skb_set_queue_mapping(skb, 0);
-
+ if (skb_shinfo(skb)->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6))
return stmmac_tso_xmit(skb, dev);
- }
}
if (unlikely(stmmac_tx_avail(priv, queue) < nfrags + 1)) {
@@ -3875,6 +3866,22 @@ static int stmmac_setup_tc(struct net_device *ndev, enum tc_setup_type type,
}
}
+static u16 stmmac_select_queue(struct net_device *dev, struct sk_buff *skb,
+ struct net_device *sb_dev)
+{
+ if (skb_shinfo(skb)->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) {
+ /*
+ * There is no way to determine the number of TSO
+ * capable Queues. Let's use always the Queue 0
+ * because if TSO is supported then at least this
+ * one will be capable.
+ */
+ return 0;
+ }
+
+ return netdev_pick_tx(dev, skb, NULL) % dev->real_num_tx_queues;
+}
+
static int stmmac_set_mac_address(struct net_device *ndev, void *addr)
{
struct stmmac_priv *priv = netdev_priv(ndev);
@@ -4091,6 +4098,7 @@ static const struct net_device_ops stmmac_netdev_ops = {
.ndo_tx_timeout = stmmac_tx_timeout,
.ndo_do_ioctl = stmmac_ioctl,
.ndo_setup_tc = stmmac_setup_tc,
+ .ndo_select_queue = stmmac_select_queue,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = stmmac_poll_controller,
#endif
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index afdcc5664ea6..3544e1991579 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -836,7 +836,6 @@ int netvsc_recv_callback(struct net_device *net,
if (unlikely(!skb)) {
++net_device_ctx->eth_stats.rx_no_memory;
- rcu_read_unlock();
return NVSP_STAT_FAIL;
}
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 75aebf65cd09..8f46aa1ddec0 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -865,6 +865,7 @@ static void macsec_reset_skb(struct sk_buff *skb, struct net_device *dev)
static void macsec_finalize_skb(struct sk_buff *skb, u8 icv_len, u8 hdr_len)
{
+ skb->ip_summed = CHECKSUM_NONE;
memmove(skb->data + hdr_len, skb->data, 2 * ETH_ALEN);
skb_pull(skb, hdr_len);
pskb_trim_unique(skb, skb->len - icv_len);
@@ -1099,10 +1100,9 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb)
}
skb = skb_unshare(skb, GFP_ATOMIC);
- if (!skb) {
- *pskb = NULL;
+ *pskb = skb;
+ if (!skb)
return RX_HANDLER_CONSUMED;
- }
pulled_sci = pskb_may_pull(skb, macsec_extra_len(true));
if (!pulled_sci) {
diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c
index b6efd2d41dce..be0271a51b0a 100644
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -515,7 +515,7 @@ static int sfp_hwmon_read_sensor(struct sfp *sfp, int reg, long *value)
static void sfp_hwmon_to_rx_power(long *value)
{
- *value = DIV_ROUND_CLOSEST(*value, 100);
+ *value = DIV_ROUND_CLOSEST(*value, 10);
}
static void sfp_hwmon_calibrate(struct sfp *sfp, unsigned int slope, int offset,
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index 311b0cc6eb98..97fb0cb1b97a 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -165,23 +165,29 @@ static int vrf_ip6_local_out(struct net *net, struct sock *sk,
static netdev_tx_t vrf_process_v6_outbound(struct sk_buff *skb,
struct net_device *dev)
{
- const struct ipv6hdr *iph = ipv6_hdr(skb);
+ const struct ipv6hdr *iph;
struct net *net = dev_net(skb->dev);
- struct flowi6 fl6 = {
- /* needed to match OIF rule */
- .flowi6_oif = dev->ifindex,
- .flowi6_iif = LOOPBACK_IFINDEX,
- .daddr = iph->daddr,
- .saddr = iph->saddr,
- .flowlabel = ip6_flowinfo(iph),
- .flowi6_mark = skb->mark,
- .flowi6_proto = iph->nexthdr,
- .flowi6_flags = FLOWI_FLAG_SKIP_NH_OIF,
- };
+ struct flowi6 fl6;
int ret = NET_XMIT_DROP;
struct dst_entry *dst;
struct dst_entry *dst_null = &net->ipv6.ip6_null_entry->dst;
+ if (!pskb_may_pull(skb, ETH_HLEN + sizeof(struct ipv6hdr)))
+ goto err;
+
+ iph = ipv6_hdr(skb);
+
+ memset(&fl6, 0, sizeof(fl6));
+ /* needed to match OIF rule */
+ fl6.flowi6_oif = dev->ifindex;
+ fl6.flowi6_iif = LOOPBACK_IFINDEX;
+ fl6.daddr = iph->daddr;
+ fl6.saddr = iph->saddr;
+ fl6.flowlabel = ip6_flowinfo(iph);
+ fl6.flowi6_mark = skb->mark;
+ fl6.flowi6_proto = iph->nexthdr;
+ fl6.flowi6_flags = FLOWI_FLAG_SKIP_NH_OIF;
+
dst = ip6_route_output(net, NULL, &fl6);
if (dst == dst_null)
goto err;
@@ -237,21 +243,27 @@ static int vrf_ip_local_out(struct net *net, struct sock *sk,
static netdev_tx_t vrf_process_v4_outbound(struct sk_buff *skb,
struct net_device *vrf_dev)
{
- struct iphdr *ip4h = ip_hdr(skb);
+ struct iphdr *ip4h;
int ret = NET_XMIT_DROP;
- struct flowi4 fl4 = {
- /* needed to match OIF rule */
- .flowi4_oif = vrf_dev->ifindex,
- .flowi4_iif = LOOPBACK_IFINDEX,
- .flowi4_tos = RT_TOS(ip4h->tos),
- .flowi4_flags = FLOWI_FLAG_ANYSRC | FLOWI_FLAG_SKIP_NH_OIF,
- .flowi4_proto = ip4h->protocol,
- .daddr = ip4h->daddr,
- .saddr = ip4h->saddr,
- };
+ struct flowi4 fl4;
struct net *net = dev_net(vrf_dev);
struct rtable *rt;
+ if (!pskb_may_pull(skb, ETH_HLEN + sizeof(struct iphdr)))
+ goto err;
+
+ ip4h = ip_hdr(skb);
+
+ memset(&fl4, 0, sizeof(fl4));
+ /* needed to match OIF rule */
+ fl4.flowi4_oif = vrf_dev->ifindex;
+ fl4.flowi4_iif = LOOPBACK_IFINDEX;
+ fl4.flowi4_tos = RT_TOS(ip4h->tos);
+ fl4.flowi4_flags = FLOWI_FLAG_ANYSRC | FLOWI_FLAG_SKIP_NH_OIF;
+ fl4.flowi4_proto = ip4h->protocol;
+ fl4.daddr = ip4h->daddr;
+ fl4.saddr = ip4h->saddr;
+
rt = ip_route_output_flow(net, &fl4, NULL);
if (IS_ERR(rt))
goto err;
diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c
index f9d1df0509c6..e73bf0193a8f 100644
--- a/drivers/scsi/sd_zbc.c
+++ b/drivers/scsi/sd_zbc.c
@@ -9,6 +9,8 @@
*/
#include <linux/blkdev.h>
+#include <linux/vmalloc.h>
+#include <linux/sched/mm.h>
#include <asm/unaligned.h>
@@ -50,7 +52,7 @@ static void sd_zbc_parse_report(struct scsi_disk *sdkp, u8 *buf,
/**
* sd_zbc_do_report_zones - Issue a REPORT ZONES scsi command.
* @sdkp: The target disk
- * @buf: Buffer to use for the reply
+ * @buf: vmalloc-ed buffer to use for the reply
* @buflen: the buffer size
* @lba: Start LBA of the report
* @partial: Do partial report
@@ -79,7 +81,6 @@ static int sd_zbc_do_report_zones(struct scsi_disk *sdkp, unsigned char *buf,
put_unaligned_be32(buflen, &cmd[10]);
if (partial)
cmd[14] = ZBC_REPORT_ZONE_PARTIAL;
- memset(buf, 0, buflen);
result = scsi_execute_req(sdp, cmd, DMA_FROM_DEVICE,
buf, buflen, &sshdr,
@@ -103,6 +104,53 @@ static int sd_zbc_do_report_zones(struct scsi_disk *sdkp, unsigned char *buf,
return 0;
}
+/*
+ * Maximum number of zones to get with one report zones command.
+ */
+#define SD_ZBC_REPORT_MAX_ZONES 8192U
+
+/**
+ * Allocate a buffer for report zones reply.
+ * @sdkp: The target disk
+ * @nr_zones: Maximum number of zones to report
+ * @buflen: Size of the buffer allocated
+ *
+ * Try to allocate a reply buffer for the number of requested zones.
+ * The size of the buffer allocated may be smaller than requested to
+ * satify the device constraint (max_hw_sectors, max_segments, etc).
+ *
+ * Return the address of the allocated buffer and update @buflen with
+ * the size of the allocated buffer.
+ */
+static void *sd_zbc_alloc_report_buffer(struct scsi_disk *sdkp,
+ unsigned int nr_zones, size_t *buflen)
+{
+ struct request_queue *q = sdkp->disk->queue;
+ size_t bufsize;
+ void *buf;
+
+ /*
+ * Report zone buffer size should be at most 64B times the number of
+ * zones requested plus the 64B reply header, but should be at least
+ * SECTOR_SIZE for ATA devices.
+ * Make sure that this size does not exceed the hardware capabilities.
+ * Furthermore, since the report zone command cannot be split, make
+ * sure that the allocated buffer can always be mapped by limiting the
+ * number of pages allocated to the HBA max segments limit.
+ */
+ nr_zones = min(nr_zones, SD_ZBC_REPORT_MAX_ZONES);
+ bufsize = roundup((nr_zones + 1) * 64, 512);
+ bufsize = min_t(size_t, bufsize,
+ queue_max_hw_sectors(q) << SECTOR_SHIFT);
+ bufsize = min_t(size_t, bufsize, queue_max_segments(q) << PAGE_SHIFT);
+
+ buf = vzalloc(bufsize);
+ if (buf)
+ *buflen = bufsize;
+
+ return buf;
+}
+
/**
* sd_zbc_report_zones - Disk report zones operation.
* @disk: The target disk
@@ -118,30 +166,23 @@ int sd_zbc_report_zones(struct gendisk *disk, sector_t sector,
gfp_t gfp_mask)
{
struct scsi_disk *sdkp = scsi_disk(disk);
- unsigned int i, buflen, nrz = *nr_zones;
+ unsigned int i, nrz = *nr_zones;
unsigned char *buf;
- size_t offset = 0;
+ size_t buflen = 0, offset = 0;
int ret = 0;
if (!sd_is_zoned(sdkp))
/* Not a zoned device */
return -EOPNOTSUPP;
- /*
- * Get a reply buffer for the number of requested zones plus a header,
- * without exceeding the device maximum command size. For ATA disks,
- * buffers must be aligned to 512B.
- */
- buflen = min(queue_max_hw_sectors(disk->queue) << 9,
- roundup((nrz + 1) * 64, 512));
- buf = kmalloc(buflen, gfp_mask);
+ buf = sd_zbc_alloc_report_buffer(sdkp, nrz, &buflen);
if (!buf)
return -ENOMEM;
ret = sd_zbc_do_report_zones(sdkp, buf, buflen,
sectors_to_logical(sdkp->device, sector), true);
if (ret)
- goto out_free_buf;
+ goto out;
nrz = min(nrz, get_unaligned_be32(&buf[0]) / 64);
for (i = 0; i < nrz; i++) {
@@ -152,8 +193,8 @@ int sd_zbc_report_zones(struct gendisk *disk, sector_t sector,
*nr_zones = nrz;
-out_free_buf:
- kfree(buf);
+out:
+ kvfree(buf);
return ret;
}
@@ -287,8 +328,6 @@ static int sd_zbc_check_zoned_characteristics(struct scsi_disk *sdkp,
return 0;
}
-#define SD_ZBC_BUF_SIZE 131072U
-
/**
* sd_zbc_check_zones - Check the device capacity and zone sizes
* @sdkp: Target disk
@@ -304,22 +343,28 @@ static int sd_zbc_check_zoned_characteristics(struct scsi_disk *sdkp,
*/
static int sd_zbc_check_zones(struct scsi_disk *sdkp, u32 *zblocks)
{
+ size_t bufsize, buflen;
+ unsigned int noio_flag;
u64 zone_blocks = 0;
sector_t max_lba, block = 0;
unsigned char *buf;
unsigned char *rec;
- unsigned int buf_len;
- unsigned int list_length;
int ret;
u8 same;
+ /* Do all memory allocations as if GFP_NOIO was specified */
+ noio_flag = memalloc_noio_save();
+
/* Get a buffer */
- buf = kmalloc(SD_ZBC_BUF_SIZE, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
+ buf = sd_zbc_alloc_report_buffer(sdkp, SD_ZBC_REPORT_MAX_ZONES,
+ &bufsize);
+ if (!buf) {
+ ret = -ENOMEM;
+ goto out;
+ }
/* Do a report zone to get max_lba and the same field */
- ret = sd_zbc_do_report_zones(sdkp, buf, SD_ZBC_BUF_SIZE, 0, false);
+ ret = sd_zbc_do_report_zones(sdkp, buf, bufsize, 0, false);
if (ret)
goto out_free;
@@ -355,12 +400,12 @@ static int sd_zbc_check_zones(struct scsi_disk *sdkp, u32 *zblocks)
do {
/* Parse REPORT ZONES header */
- list_length = get_unaligned_be32(&buf[0]) + 64;
+ buflen = min_t(size_t, get_unaligned_be32(&buf[0]) + 64,
+ bufsize);
rec = buf + 64;
- buf_len = min(list_length, SD_ZBC_BUF_SIZE);
/* Parse zone descriptors */
- while (rec < buf + buf_len) {
+ while (rec < buf + buflen) {
u64 this_zone_blocks = get_unaligned_be64(&rec[8]);
if (zone_blocks == 0) {
@@ -376,8 +421,8 @@ static int sd_zbc_check_zones(struct scsi_disk *sdkp, u32 *zblocks)
}
if (block < sdkp->capacity) {
- ret = sd_zbc_do_report_zones(sdkp, buf, SD_ZBC_BUF_SIZE,
- block, true);
+ ret = sd_zbc_do_report_zones(sdkp, buf, bufsize, block,
+ true);
if (ret)
goto out_free;
}
@@ -408,7 +453,8 @@ static int sd_zbc_check_zones(struct scsi_disk *sdkp, u32 *zblocks)
}
out_free:
- kfree(buf);
+ memalloc_noio_restore(noio_flag);
+ kvfree(buf);
return ret;
}
diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index c7843b149a1e..92042f073d58 100644
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -109,7 +109,6 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx)
struct inode *inode = file_inode(file);
struct super_block *sb = inode->i_sb;
struct buffer_head *bh = NULL;
- int dir_has_error = 0;
struct fscrypt_str fstr = FSTR_INIT(NULL, 0);
if (IS_ENCRYPTED(inode)) {
@@ -145,8 +144,6 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx)
return err;
}
- offset = ctx->pos & (sb->s_blocksize - 1);
-
while (ctx->pos < inode->i_size) {
struct ext4_map_blocks map;
@@ -155,9 +152,18 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx)
goto errout;
}
cond_resched();
+ offset = ctx->pos & (sb->s_blocksize - 1);
map.m_lblk = ctx->pos >> EXT4_BLOCK_SIZE_BITS(sb);
map.m_len = 1;
err = ext4_map_blocks(NULL, inode, &map, 0);
+ if (err == 0) {
+ /* m_len should never be zero but let's avoid
+ * an infinite loop if it somehow is */
+ if (map.m_len == 0)
+ map.m_len = 1;
+ ctx->pos += map.m_len * sb->s_blocksize;
+ continue;
+ }
if (err > 0) {
pgoff_t index = map.m_pblk >>
(PAGE_SHIFT - inode->i_blkbits);
@@ -176,13 +182,6 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx)
}
if (!bh) {
- if (!dir_has_error) {
- EXT4_ERROR_FILE(file, 0,
- "directory contains a "
- "hole at offset %llu",
- (unsigned long long) ctx->pos);
- dir_has_error = 1;
- }
/* corrupt size? Maybe no more blocks to read */
if (ctx->pos > inode->i_blocks << 9)
break;
diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h
index 75a5309f2231..ef8fcf7d0d3b 100644
--- a/fs/ext4/ext4_jbd2.h
+++ b/fs/ext4/ext4_jbd2.h
@@ -361,20 +361,20 @@ static inline int ext4_journal_force_commit(journal_t *journal)
}
static inline int ext4_jbd2_inode_add_write(handle_t *handle,
- struct inode *inode)
+ struct inode *inode, loff_t start_byte, loff_t length)
{
if (ext4_handle_valid(handle))
- return jbd2_journal_inode_add_write(handle,
- EXT4_I(inode)->jinode);
+ return jbd2_journal_inode_ranged_write(handle,
+ EXT4_I(inode)->jinode, start_byte, length);
return 0;
}
static inline int ext4_jbd2_inode_add_wait(handle_t *handle,
- struct inode *inode)
+ struct inode *inode, loff_t start_byte, loff_t length)
{
if (ext4_handle_valid(handle))
- return jbd2_journal_inode_add_wait(handle,
- EXT4_I(inode)->jinode);
+ return jbd2_journal_inode_ranged_wait(handle,
+ EXT4_I(inode)->jinode, start_byte, length);
return 0;
}
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 2c5baa5e8291..f4a24a46245e 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -165,6 +165,10 @@ static ssize_t ext4_write_checks(struct kiocb *iocb, struct iov_iter *from)
ret = generic_write_checks(iocb, from);
if (ret <= 0)
return ret;
+
+ if (unlikely(IS_IMMUTABLE(inode)))
+ return -EPERM;
+
/*
* If we have encountered a bitmap-format file, the size limit
* is smaller than s_maxbytes, which is for extent-mapped files.
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index c7f77c643008..85c648289b57 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -731,10 +731,16 @@ int ext4_map_blocks(handle_t *handle, struct inode *inode,
!(flags & EXT4_GET_BLOCKS_ZERO) &&
!ext4_is_quota_file(inode) &&
ext4_should_order_data(inode)) {
+ loff_t start_byte =
+ (loff_t)map->m_lblk << inode->i_blkbits;
+ loff_t length = (loff_t)map->m_len << inode->i_blkbits;
+
if (flags & EXT4_GET_BLOCKS_IO_SUBMIT)
- ret = ext4_jbd2_inode_add_wait(handle, inode);
+ ret = ext4_jbd2_inode_add_wait(handle, inode,
+ start_byte, length);
else
- ret = ext4_jbd2_inode_add_write(handle, inode);
+ ret = ext4_jbd2_inode_add_write(handle, inode,
+ start_byte, length);
if (ret)
return ret;
}
@@ -4085,7 +4091,8 @@ static int __ext4_block_zero_page_range(handle_t *handle,
err = 0;
mark_buffer_dirty(bh);
if (ext4_should_order_data(inode))
- err = ext4_jbd2_inode_add_write(handle, inode);
+ err = ext4_jbd2_inode_add_write(handle, inode, from,
+ length);
}
unlock:
@@ -5520,6 +5527,14 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb))))
return -EIO;
+ if (unlikely(IS_IMMUTABLE(inode)))
+ return -EPERM;
+
+ if (unlikely(IS_APPEND(inode) &&
+ (ia_valid & (ATTR_MODE | ATTR_UID |
+ ATTR_GID | ATTR_TIMES_SET))))
+ return -EPERM;
+
error = setattr_prepare(dentry, attr);
if (error)
return error;
@@ -6190,6 +6205,9 @@ vm_fault_t ext4_page_mkwrite(struct vm_fault *vmf)
get_block_t *get_block;
int retries = 0;
+ if (unlikely(IS_IMMUTABLE(inode)))
+ return VM_FAULT_SIGBUS;
+
sb_start_pagefault(inode->i_sb);
file_update_time(vma->vm_file);
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index e486e49b31ed..7af835ac8d23 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -269,6 +269,29 @@ static int uuid_is_zero(__u8 u[16])
}
#endif
+/*
+ * If immutable is set and we are not clearing it, we're not allowed to change
+ * anything else in the inode. Don't error out if we're only trying to set
+ * immutable on an immutable file.
+ */
+static int ext4_ioctl_check_immutable(struct inode *inode, __u32 new_projid,
+ unsigned int flags)
+{
+ struct ext4_inode_info *ei = EXT4_I(inode);
+ unsigned int oldflags = ei->i_flags;
+
+ if (!(oldflags & EXT4_IMMUTABLE_FL) || !(flags & EXT4_IMMUTABLE_FL))
+ return 0;
+
+ if ((oldflags & ~EXT4_IMMUTABLE_FL) != (flags & ~EXT4_IMMUTABLE_FL))
+ return -EPERM;
+ if (ext4_has_feature_project(inode->i_sb) &&
+ __kprojid_val(ei->i_projid) != new_projid)
+ return -EPERM;
+
+ return 0;
+}
+
static int ext4_ioctl_setflags(struct inode *inode,
unsigned int flags)
{
@@ -340,6 +363,20 @@ static int ext4_ioctl_setflags(struct inode *inode,
}
}
+ /*
+ * Wait for all pending directio and then flush all the dirty pages
+ * for this file. The flush marks all the pages readonly, so any
+ * subsequent attempt to write to the file (particularly mmap pages)
+ * will come through the filesystem and fail.
+ */
+ if (S_ISREG(inode->i_mode) && !IS_IMMUTABLE(inode) &&
+ (flags & EXT4_IMMUTABLE_FL)) {
+ inode_dio_wait(inode);
+ err = filemap_write_and_wait(inode->i_mapping);
+ if (err)
+ goto flags_out;
+ }
+
handle = ext4_journal_start(inode, EXT4_HT_INODE, 1);
if (IS_ERR(handle)) {
err = PTR_ERR(handle);
@@ -769,7 +806,11 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
return err;
inode_lock(inode);
- err = ext4_ioctl_setflags(inode, flags);
+ err = ext4_ioctl_check_immutable(inode,
+ from_kprojid(&init_user_ns, ei->i_projid),
+ flags);
+ if (!err)
+ err = ext4_ioctl_setflags(inode, flags);
inode_unlock(inode);
mnt_drop_write_file(filp);
return err;
@@ -1139,6 +1180,9 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
goto out;
flags = (ei->i_flags & ~EXT4_FL_XFLAG_VISIBLE) |
(flags & EXT4_FL_XFLAG_VISIBLE);
+ err = ext4_ioctl_check_immutable(inode, fa.fsx_projid, flags);
+ if (err)
+ goto out;
err = ext4_ioctl_setflags(inode, flags);
if (err)
goto out;
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 1083a9f3f16a..c7ded4e2adff 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -390,7 +390,8 @@ move_extent_per_page(struct file *o_filp, struct inode *donor_inode,
/* Even in case of data=writeback it is reasonable to pin
* inode to transaction, to prevent unexpected data loss */
- *err = ext4_jbd2_inode_add_write(handle, orig_inode);
+ *err = ext4_jbd2_inode_add_write(handle, orig_inode,
+ (loff_t)orig_page_offset << PAGE_SHIFT, replaced_size);
unlock_pages:
unlock_page(pagep[0]);
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index cd01c4a67ffb..771fe02f317d 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -82,8 +82,18 @@ static struct buffer_head *ext4_append(handle_t *handle,
static int ext4_dx_csum_verify(struct inode *inode,
struct ext4_dir_entry *dirent);
+/*
+ * Hints to ext4_read_dirblock regarding whether we expect a directory
+ * block being read to be an index block, or a block containing
+ * directory entries (and if the latter, whether it was found via a
+ * logical block in an htree index block). This is used to control
+ * what sort of sanity checkinig ext4_read_dirblock() will do on the
+ * directory block read from the storage device. EITHER will means
+ * the caller doesn't know what kind of directory block will be read,
+ * so no specific verification will be done.
+ */
typedef enum {
- EITHER, INDEX, DIRENT
+ EITHER, INDEX, DIRENT, DIRENT_HTREE
} dirblock_type_t;
#define ext4_read_dirblock(inode, block, type) \
@@ -109,11 +119,14 @@ static struct buffer_head *__ext4_read_dirblock(struct inode *inode,
return bh;
}
- if (!bh) {
+ if (!bh && (type == INDEX || type == DIRENT_HTREE)) {
ext4_error_inode(inode, func, line, block,
- "Directory hole found");
+ "Directory hole found for htree %s block",
+ (type == INDEX) ? "index" : "leaf");
return ERR_PTR(-EFSCORRUPTED);
}
+ if (!bh)
+ return NULL;
dirent = (struct ext4_dir_entry *) bh->b_data;
/* Determine whether or not we have an index block */
if (is_dx(inode)) {
@@ -980,7 +993,7 @@ static int htree_dirblock_to_tree(struct file *dir_file,
dxtrace(printk(KERN_INFO "In htree dirblock_to_tree: block %lu\n",
(unsigned long)block));
- bh = ext4_read_dirblock(dir, block, DIRENT);
+ bh = ext4_read_dirblock(dir, block, DIRENT_HTREE);
if (IS_ERR(bh))
return PTR_ERR(bh);
@@ -1586,7 +1599,7 @@ static struct buffer_head * ext4_dx_find_entry(struct inode *dir,
return (struct buffer_head *) frame;
do {
block = dx_get_block(frame->at);
- bh = ext4_read_dirblock(dir, block, DIRENT);
+ bh = ext4_read_dirblock(dir, block, DIRENT_HTREE);
if (IS_ERR(bh))
goto errout;
@@ -2170,6 +2183,11 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
blocks = dir->i_size >> sb->s_blocksize_bits;
for (block = 0; block < blocks; block++) {
bh = ext4_read_dirblock(dir, block, DIRENT);
+ if (bh == NULL) {
+ bh = ext4_bread(handle, dir, block,
+ EXT4_GET_BLOCKS_CREATE);
+ goto add_to_new_block;
+ }
if (IS_ERR(bh)) {
retval = PTR_ERR(bh);
bh = NULL;
@@ -2190,6 +2208,7 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
brelse(bh);
}
bh = ext4_append(handle, dir, &block);
+add_to_new_block:
if (IS_ERR(bh)) {
retval = PTR_ERR(bh);
bh = NULL;
@@ -2234,7 +2253,7 @@ static int ext4_dx_add_entry(handle_t *handle, struct ext4_filename *fname,
return PTR_ERR(frame);
entries = frame->entries;
at = frame->at;
- bh = ext4_read_dirblock(dir, dx_get_block(frame->at), DIRENT);
+ bh = ext4_read_dirblock(dir, dx_get_block(frame->at), DIRENT_HTREE);
if (IS_ERR(bh)) {
err = PTR_ERR(bh);
bh = NULL;
@@ -2782,7 +2801,10 @@ bool ext4_empty_dir(struct inode *inode)
EXT4_ERROR_INODE(inode, "invalid size");
return true;
}
- bh = ext4_read_dirblock(inode, 0, EITHER);
+ /* The first directory block must not be a hole,
+ * so treat it as DIRENT_HTREE
+ */
+ bh = ext4_read_dirblock(inode, 0, DIRENT_HTREE);
if (IS_ERR(bh))
return true;
@@ -2804,6 +2826,10 @@ bool ext4_empty_dir(struct inode *inode)
brelse(bh);
lblock = offset >> EXT4_BLOCK_SIZE_BITS(sb);
bh = ext4_read_dirblock(inode, lblock, EITHER);
+ if (bh == NULL) {
+ offset += sb->s_blocksize;
+ continue;
+ }
if (IS_ERR(bh))
return true;
de = (struct ext4_dir_entry_2 *) bh->b_data;
@@ -3369,7 +3395,10 @@ static struct buffer_head *ext4_get_first_dir_block(handle_t *handle,
struct buffer_head *bh;
if (!ext4_has_inline_data(inode)) {
- bh = ext4_read_dirblock(inode, 0, EITHER);
+ /* The first directory block must not be a hole, so
+ * treat it as DIRENT_HTREE
+ */
+ bh = ext4_read_dirblock(inode, 0, DIRENT_HTREE);
if (IS_ERR(bh)) {
*retval = PTR_ERR(bh);
return NULL;
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index efd0ce9489ae..668f9021cf11 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -187,14 +187,15 @@ static int journal_wait_on_commit_record(journal_t *journal,
* use writepages() because with dealyed allocation we may be doing
* block allocation in writepages().
*/
-static int journal_submit_inode_data_buffers(struct address_space *mapping)
+static int journal_submit_inode_data_buffers(struct address_space *mapping,
+ loff_t dirty_start, loff_t dirty_end)
{
int ret;
struct writeback_control wbc = {
.sync_mode = WB_SYNC_ALL,
.nr_to_write = mapping->nrpages * 2,
- .range_start = 0,
- .range_end = i_size_read(mapping->host),
+ .range_start = dirty_start,
+ .range_end = dirty_end,
};
ret = generic_writepages(mapping, &wbc);
@@ -218,6 +219,9 @@ static int journal_submit_data_buffers(journal_t *journal,
spin_lock(&journal->j_list_lock);
list_for_each_entry(jinode, &commit_transaction->t_inode_list, i_list) {
+ loff_t dirty_start = jinode->i_dirty_start;
+ loff_t dirty_end = jinode->i_dirty_end;
+
if (!(jinode->i_flags & JI_WRITE_DATA))
continue;
mapping = jinode->i_vfs_inode->i_mapping;
@@ -230,7 +234,8 @@ static int journal_submit_data_buffers(journal_t *journal,
* only allocated blocks here.
*/
trace_jbd2_submit_inode_data(jinode->i_vfs_inode);
- err = journal_submit_inode_data_buffers(mapping);
+ err = journal_submit_inode_data_buffers(mapping, dirty_start,
+ dirty_end);
if (!ret)
ret = err;
spin_lock(&journal->j_list_lock);
@@ -257,12 +262,16 @@ static int journal_finish_inode_data_buffers(journal_t *journal,
/* For locking, see the comment in journal_submit_data_buffers() */
spin_lock(&journal->j_list_lock);
list_for_each_entry(jinode, &commit_transaction->t_inode_list, i_list) {
+ loff_t dirty_start = jinode->i_dirty_start;
+ loff_t dirty_end = jinode->i_dirty_end;
+
if (!(jinode->i_flags & JI_WAIT_DATA))
continue;
jinode->i_flags |= JI_COMMIT_RUNNING;
spin_unlock(&journal->j_list_lock);
- err = filemap_fdatawait_keep_errors(
- jinode->i_vfs_inode->i_mapping);
+ err = filemap_fdatawait_range_keep_errors(
+ jinode->i_vfs_inode->i_mapping, dirty_start,
+ dirty_end);
if (!ret)
ret = err;
spin_lock(&journal->j_list_lock);
@@ -282,6 +291,8 @@ static int journal_finish_inode_data_buffers(journal_t *journal,
&jinode->i_transaction->t_inode_list);
} else {
jinode->i_transaction = NULL;
+ jinode->i_dirty_start = 0;
+ jinode->i_dirty_end = 0;
}
}
spin_unlock(&journal->j_list_lock);
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 43df0c943229..e0382067c824 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -94,6 +94,8 @@ EXPORT_SYMBOL(jbd2_journal_try_to_free_buffers);
EXPORT_SYMBOL(jbd2_journal_force_commit);
EXPORT_SYMBOL(jbd2_journal_inode_add_write);
EXPORT_SYMBOL(jbd2_journal_inode_add_wait);
+EXPORT_SYMBOL(jbd2_journal_inode_ranged_write);
+EXPORT_SYMBOL(jbd2_journal_inode_ranged_wait);
EXPORT_SYMBOL(jbd2_journal_init_jbd_inode);
EXPORT_SYMBOL(jbd2_journal_release_jbd_inode);
EXPORT_SYMBOL(jbd2_journal_begin_ordered_truncate);
@@ -2574,6 +2576,8 @@ void jbd2_journal_init_jbd_inode(struct jbd2_inode *jinode, struct inode *inode)
jinode->i_next_transaction = NULL;
jinode->i_vfs_inode = inode;
jinode->i_flags = 0;
+ jinode->i_dirty_start = 0;
+ jinode->i_dirty_end = 0;
INIT_LIST_HEAD(&jinode->i_list);
}
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index 8ca4fddc705f..990e7b5062e7 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -2565,7 +2565,7 @@ void jbd2_journal_refile_buffer(journal_t *journal, struct journal_head *jh)
* File inode in the inode list of the handle's transaction
*/
static int jbd2_journal_file_inode(handle_t *handle, struct jbd2_inode *jinode,
- unsigned long flags)
+ unsigned long flags, loff_t start_byte, loff_t end_byte)
{
transaction_t *transaction = handle->h_transaction;
journal_t *journal;
@@ -2577,26 +2577,17 @@ static int jbd2_journal_file_inode(handle_t *handle, struct jbd2_inode *jinode,
jbd_debug(4, "Adding inode %lu, tid:%d\n", jinode->i_vfs_inode->i_ino,
transaction->t_tid);
- /*
- * First check whether inode isn't already on the transaction's
- * lists without taking the lock. Note that this check is safe
- * without the lock as we cannot race with somebody removing inode
- * from the transaction. The reason is that we remove inode from the
- * transaction only in journal_release_jbd_inode() and when we commit
- * the transaction. We are guarded from the first case by holding
- * a reference to the inode. We are safe against the second case
- * because if jinode->i_transaction == transaction, commit code
- * cannot touch the transaction because we hold reference to it,
- * and if jinode->i_next_transaction == transaction, commit code
- * will only file the inode where we want it.
- */
- if ((jinode->i_transaction == transaction ||
- jinode->i_next_transaction == transaction) &&
- (jinode->i_flags & flags) == flags)
- return 0;
-
spin_lock(&journal->j_list_lock);
jinode->i_flags |= flags;
+
+ if (jinode->i_dirty_end) {
+ jinode->i_dirty_start = min(jinode->i_dirty_start, start_byte);
+ jinode->i_dirty_end = max(jinode->i_dirty_end, end_byte);
+ } else {
+ jinode->i_dirty_start = start_byte;
+ jinode->i_dirty_end = end_byte;
+ }
+
/* Is inode already attached where we need it? */
if (jinode->i_transaction == transaction ||
jinode->i_next_transaction == transaction)
@@ -2631,12 +2622,28 @@ static int jbd2_journal_file_inode(handle_t *handle, struct jbd2_inode *jinode,
int jbd2_journal_inode_add_write(handle_t *handle, struct jbd2_inode *jinode)
{
return jbd2_journal_file_inode(handle, jinode,
- JI_WRITE_DATA | JI_WAIT_DATA);
+ JI_WRITE_DATA | JI_WAIT_DATA, 0, LLONG_MAX);
}
int jbd2_journal_inode_add_wait(handle_t *handle, struct jbd2_inode *jinode)
{
- return jbd2_journal_file_inode(handle, jinode, JI_WAIT_DATA);
+ return jbd2_journal_file_inode(handle, jinode, JI_WAIT_DATA, 0,
+ LLONG_MAX);
+}
+
+int jbd2_journal_inode_ranged_write(handle_t *handle,
+ struct jbd2_inode *jinode, loff_t start_byte, loff_t length)
+{
+ return jbd2_journal_file_inode(handle, jinode,
+ JI_WRITE_DATA | JI_WAIT_DATA, start_byte,
+ start_byte + length - 1);
+}
+
+int jbd2_journal_inode_ranged_wait(handle_t *handle, struct jbd2_inode *jinode,
+ loff_t start_byte, loff_t length)
+{
+ return jbd2_journal_file_inode(handle, jinode, JI_WAIT_DATA,
+ start_byte, start_byte + length - 1);
}
/*
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 56e18d7fbc5a..93baef66b942 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -344,6 +344,11 @@ struct queue_limits {
#ifdef CONFIG_BLK_DEV_ZONED
+/*
+ * Maximum number of zones to report with a single report zones command.
+ */
+#define BLK_ZONED_REPORT_MAX_ZONES 8192U
+
extern unsigned int blkdev_nr_zones(struct block_device *bdev);
extern int blkdev_report_zones(struct block_device *bdev,
sector_t sector, struct blk_zone *zones,
diff --git a/include/linux/fs.h b/include/linux/fs.h
index f7fdfe93e25d..79fec8a8413f 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2712,6 +2712,8 @@ extern int filemap_flush(struct address_space *);
extern int filemap_fdatawait_keep_errors(struct address_space *mapping);
extern int filemap_fdatawait_range(struct address_space *, loff_t lstart,
loff_t lend);
+extern int filemap_fdatawait_range_keep_errors(struct address_space *mapping,
+ loff_t start_byte, loff_t end_byte);
static inline int filemap_fdatawait(struct address_space *mapping)
{
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 5c04181b7c6d..0e0393e7f41a 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -451,6 +451,22 @@ struct jbd2_inode {
* @i_flags: Flags of inode [j_list_lock]
*/
unsigned long i_flags;
+
+ /**
+ * @i_dirty_start:
+ *
+ * Offset in bytes where the dirty range for this inode starts.
+ * [j_list_lock]
+ */
+ loff_t i_dirty_start;
+
+ /**
+ * @i_dirty_end:
+ *
+ * Inclusive offset in bytes where the dirty range for this inode
+ * ends. [j_list_lock]
+ */
+ loff_t i_dirty_end;
};
struct jbd2_revoke_table_s;
@@ -1397,6 +1413,12 @@ extern int jbd2_journal_force_commit(journal_t *);
extern int jbd2_journal_force_commit_nested(journal_t *);
extern int jbd2_journal_inode_add_write(handle_t *handle, struct jbd2_inode *inode);
extern int jbd2_journal_inode_add_wait(handle_t *handle, struct jbd2_inode *inode);
+extern int jbd2_journal_inode_ranged_write(handle_t *handle,
+ struct jbd2_inode *inode, loff_t start_byte,
+ loff_t length);
+extern int jbd2_journal_inode_ranged_wait(handle_t *handle,
+ struct jbd2_inode *inode, loff_t start_byte,
+ loff_t length);
extern int jbd2_journal_begin_ordered_truncate(journal_t *journal,
struct jbd2_inode *inode, loff_t new_size);
extern void jbd2_journal_init_jbd_inode(struct jbd2_inode *jinode, struct inode *inode);
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 5e74305e2e57..7e42efa143a0 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -749,7 +749,8 @@ struct mlx5_ifc_per_protocol_networking_offload_caps_bits {
u8 swp[0x1];
u8 swp_csum[0x1];
u8 swp_lso[0x1];
- u8 reserved_at_23[0xd];
+ u8 cqe_checksum_full[0x1];
+ u8 reserved_at_24[0xc];
u8 max_vxlan_udp_ports[0x8];
u8 reserved_at_38[0x6];
u8 max_geneve_opt_len[0x1];
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 2bca72f3028b..a9d3fbbab4c1 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -1049,6 +1049,11 @@ static inline int in_software_context(struct perf_event *event)
return event->ctx->pmu->task_ctx_nr == perf_sw_context;
}
+static inline int is_exclusive_pmu(struct pmu *pmu)
+{
+ return pmu->capabilities & PERF_PMU_CAP_EXCLUSIVE;
+}
+
extern struct static_key perf_swevent_enabled[PERF_COUNT_SW_MAX];
extern void ___perf_sw_event(u32, u64, struct pt_regs *, u64);
diff --git a/include/net/dst.h b/include/net/dst.h
index 12b31c602cb0..f8206d3fed2f 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -302,8 +302,9 @@ static inline bool dst_hold_safe(struct dst_entry *dst)
* @skb: buffer
*
* If dst is not yet refcounted and not destroyed, grab a ref on it.
+ * Returns true if dst is refcounted.
*/
-static inline void skb_dst_force(struct sk_buff *skb)
+static inline bool skb_dst_force(struct sk_buff *skb)
{
if (skb_dst_is_noref(skb)) {
struct dst_entry *dst = skb_dst(skb);
@@ -314,6 +315,8 @@ static inline void skb_dst_force(struct sk_buff *skb)
skb->_skb_refdst = (unsigned long)dst;
}
+
+ return skb->_skb_refdst != 0UL;
}
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 582c0caa9811..2ee06191c488 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1063,7 +1063,8 @@ void tcp_get_default_congestion_control(struct net *net, char *name);
void tcp_get_available_congestion_control(char *buf, size_t len);
void tcp_get_allowed_congestion_control(char *buf, size_t len);
int tcp_set_allowed_congestion_control(char *allowed);
-int tcp_set_congestion_control(struct sock *sk, const char *name, bool load, bool reinit);
+int tcp_set_congestion_control(struct sock *sk, const char *name, bool load,
+ bool reinit, bool cap_net_admin);
u32 tcp_slow_start(struct tcp_sock *tp, u32 acked);
void tcp_cong_avoid_ai(struct tcp_sock *tp, u32 w, u32 acked);
@@ -1675,6 +1676,11 @@ static inline struct sk_buff *tcp_rtx_queue_head(const struct sock *sk)
return skb_rb_first(&sk->tcp_rtx_queue);
}
+static inline struct sk_buff *tcp_rtx_queue_tail(const struct sock *sk)
+{
+ return skb_rb_last(&sk->tcp_rtx_queue);
+}
+
static inline struct sk_buff *tcp_write_queue_head(const struct sock *sk)
{
return skb_peek(&sk->sk_write_queue);
diff --git a/include/net/tls.h b/include/net/tls.h
index 53d96bca220d..889df0312cd1 100644
--- a/include/net/tls.h
+++ b/include/net/tls.h
@@ -313,6 +313,7 @@ struct tls_offload_context_rx {
(ALIGN(sizeof(struct tls_offload_context_rx), sizeof(void *)) + \
TLS_DRIVER_STATE_SIZE)
+void tls_ctx_free(struct tls_context *ctx);
int wait_on_pending_writer(struct sock *sk, long *timeo);
int tls_sk_query(struct sock *sk, int optname, char __user *optval,
int __user *optlen);
diff --git a/kernel/events/core.c b/kernel/events/core.c
index f85929ce13be..f851934d55d4 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -2553,6 +2553,9 @@ static int __perf_install_in_context(void *info)
return ret;
}
+static bool exclusive_event_installable(struct perf_event *event,
+ struct perf_event_context *ctx);
+
/*
* Attach a performance event to a context.
*
@@ -2567,6 +2570,8 @@ perf_install_in_context(struct perf_event_context *ctx,
lockdep_assert_held(&ctx->mutex);
+ WARN_ON_ONCE(!exclusive_event_installable(event, ctx));
+
if (event->cpu != -1)
event->cpu = cpu;
@@ -4358,7 +4363,7 @@ static int exclusive_event_init(struct perf_event *event)
{
struct pmu *pmu = event->pmu;
- if (!(pmu->capabilities & PERF_PMU_CAP_EXCLUSIVE))
+ if (!is_exclusive_pmu(pmu))
return 0;
/*
@@ -4389,7 +4394,7 @@ static void exclusive_event_destroy(struct perf_event *event)
{
struct pmu *pmu = event->pmu;
- if (!(pmu->capabilities & PERF_PMU_CAP_EXCLUSIVE))
+ if (!is_exclusive_pmu(pmu))
return;
/* see comment in exclusive_event_init() */
@@ -4409,14 +4414,15 @@ static bool exclusive_event_match(struct perf_event *e1, struct perf_event *e2)
return false;
}
-/* Called under the same ctx::mutex as perf_install_in_context() */
static bool exclusive_event_installable(struct perf_event *event,
struct perf_event_context *ctx)
{
struct perf_event *iter_event;
struct pmu *pmu = event->pmu;
- if (!(pmu->capabilities & PERF_PMU_CAP_EXCLUSIVE))
+ lockdep_assert_held(&ctx->mutex);
+
+ if (!is_exclusive_pmu(pmu))
return true;
list_for_each_entry(iter_event, &ctx->event_list, event_entry) {
@@ -4463,12 +4469,20 @@ static void _free_event(struct perf_event *event)
if (event->destroy)
event->destroy(event);
- if (event->ctx)
- put_ctx(event->ctx);
-
+ /*
+ * Must be after ->destroy(), due to uprobe_perf_close() using
+ * hw.target.
+ */
if (event->hw.target)
put_task_struct(event->hw.target);
+ /*
+ * perf_event_free_task() relies on put_ctx() being 'last', in particular
+ * all task references must be cleaned up.
+ */
+ if (event->ctx)
+ put_ctx(event->ctx);
+
exclusive_event_destroy(event);
module_put(event->pmu->module);
@@ -4648,8 +4662,17 @@ int perf_event_release_kernel(struct perf_event *event)
mutex_unlock(&event->child_mutex);
list_for_each_entry_safe(child, tmp, &free_list, child_list) {
+ void *var = &child->ctx->refcount;
+
list_del(&child->child_list);
free_event(child);
+
+ /*
+ * Wake any perf_event_free_task() waiting for this event to be
+ * freed.
+ */
+ smp_mb(); /* pairs with wait_var_event() */
+ wake_up_var(var);
}
no_ctx:
@@ -10922,11 +10945,6 @@ SYSCALL_DEFINE5(perf_event_open,
goto err_alloc;
}
- if ((pmu->capabilities & PERF_PMU_CAP_EXCLUSIVE) && group_leader) {
- err = -EBUSY;
- goto err_context;
- }
-
/*
* Look up the group leader (we will attach this event to it):
*/
@@ -11014,6 +11032,18 @@ SYSCALL_DEFINE5(perf_event_open,
move_group = 0;
}
}
+
+ /*
+ * Failure to create exclusive events returns -EBUSY.
+ */
+ err = -EBUSY;
+ if (!exclusive_event_installable(group_leader, ctx))
+ goto err_locked;
+
+ for_each_sibling_event(sibling, group_leader) {
+ if (!exclusive_event_installable(sibling, ctx))
+ goto err_locked;
+ }
} else {
mutex_lock(&ctx->mutex);
}
@@ -11050,9 +11080,6 @@ SYSCALL_DEFINE5(perf_event_open,
* because we need to serialize with concurrent event creation.
*/
if (!exclusive_event_installable(event, ctx)) {
- /* exclusive and group stuff are assumed mutually exclusive */
- WARN_ON_ONCE(move_group);
-
err = -EBUSY;
goto err_locked;
}
@@ -11519,11 +11546,11 @@ static void perf_free_event(struct perf_event *event,
}
/*
- * Free an unexposed, unused context as created by inheritance by
- * perf_event_init_task below, used by fork() in case of fail.
+ * Free a context as created by inheritance by perf_event_init_task() below,
+ * used by fork() in case of fail.
*
- * Not all locks are strictly required, but take them anyway to be nice and
- * help out with the lockdep assertions.
+ * Even though the task has never lived, the context and events have been
+ * exposed through the child_list, so we must take care tearing it all down.
*/
void perf_event_free_task(struct task_struct *task)
{
@@ -11553,7 +11580,23 @@ void perf_event_free_task(struct task_struct *task)
perf_free_event(event, ctx);
mutex_unlock(&ctx->mutex);
- put_ctx(ctx);
+
+ /*
+ * perf_event_release_kernel() could've stolen some of our
+ * child events and still have them on its free_list. In that
+ * case we must wait for these events to have been freed (in
+ * particular all their references to this task must've been
+ * dropped).
+ *
+ * Without this copy_process() will unconditionally free this
+ * task (irrespective of its reference count) and
+ * _free_event()'s put_task_struct(event->hw.target) will be a
+ * use-after-free.
+ *
+ * Wait for all events to drop their context reference.
+ */
+ wait_var_event(&ctx->refcount, refcount_read(&ctx->refcount) == 1);
+ put_ctx(ctx); /* must be last */
}
}
diff --git a/mm/filemap.c b/mm/filemap.c
index 6dd9a2274c80..861e26ee4c72 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -549,6 +549,28 @@ int filemap_fdatawait_range(struct address_space *mapping, loff_t start_byte,
}
EXPORT_SYMBOL(filemap_fdatawait_range);
+/**
+ * filemap_fdatawait_range_keep_errors - wait for writeback to complete
+ * @mapping: address space structure to wait for
+ * @start_byte: offset in bytes where the range starts
+ * @end_byte: offset in bytes where the range ends (inclusive)
+ *
+ * Walk the list of under-writeback pages of the given address space in the
+ * given range and wait for all of them. Unlike filemap_fdatawait_range(),
+ * this function does not clear error status of the address space.
+ *
+ * Use this function if callers don't handle errors themselves. Expected
+ * call sites are system-wide / filesystem-wide data flushers: e.g. sync(2),
+ * fsfreeze(8)
+ */
+int filemap_fdatawait_range_keep_errors(struct address_space *mapping,
+ loff_t start_byte, loff_t end_byte)
+{
+ __filemap_fdatawait_range(mapping, start_byte, end_byte);
+ return filemap_check_and_keep_errors(mapping);
+}
+EXPORT_SYMBOL(filemap_fdatawait_range_keep_errors);
+
/**
* file_fdatawait_range - wait for writeback to complete
* @file: file pointing to address space structure to wait for
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 21b74e7a7b2f..52c712984cc7 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -74,7 +74,6 @@ int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb
struct net_bridge_fdb_entry *dst = NULL;
struct net_bridge_mdb_entry *mdst;
bool local_rcv, mcast_hit = false;
- const unsigned char *dest;
struct net_bridge *br;
u16 vid = 0;
@@ -92,10 +91,9 @@ int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb
br_fdb_update(br, p, eth_hdr(skb)->h_source, vid, false);
local_rcv = !!(br->dev->flags & IFF_PROMISC);
- dest = eth_hdr(skb)->h_dest;
- if (is_multicast_ether_addr(dest)) {
+ if (is_multicast_ether_addr(eth_hdr(skb)->h_dest)) {
/* by definition the broadcast is also a multicast address */
- if (is_broadcast_ether_addr(dest)) {
+ if (is_broadcast_ether_addr(eth_hdr(skb)->h_dest)) {
pkt_type = BR_PKT_BROADCAST;
local_rcv = true;
} else {
@@ -145,7 +143,7 @@ int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb
}
break;
case BR_PKT_UNICAST:
- dst = br_fdb_find_rcu(br, dest, vid);
+ dst = br_fdb_find_rcu(br, eth_hdr(skb)->h_dest, vid);
default:
break;
}
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index de22c8fbbb15..3d8deac2353d 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -911,6 +911,7 @@ static int br_ip4_multicast_igmp3_report(struct net_bridge *br,
int type;
int err = 0;
__be32 group;
+ u16 nsrcs;
ih = igmpv3_report_hdr(skb);
num = ntohs(ih->ngrec);
@@ -924,8 +925,9 @@ static int br_ip4_multicast_igmp3_report(struct net_bridge *br,
grec = (void *)(skb->data + len - sizeof(*grec));
group = grec->grec_mca;
type = grec->grec_type;
+ nsrcs = ntohs(grec->grec_nsrcs);
- len += ntohs(grec->grec_nsrcs) * 4;
+ len += nsrcs * 4;
if (!ip_mc_may_pull(skb, len))
return -EINVAL;
@@ -946,7 +948,7 @@ static int br_ip4_multicast_igmp3_report(struct net_bridge *br,
src = eth_hdr(skb)->h_source;
if ((type == IGMPV3_CHANGE_TO_INCLUDE ||
type == IGMPV3_MODE_IS_INCLUDE) &&
- ntohs(grec->grec_nsrcs) == 0) {
+ nsrcs == 0) {
br_ip4_multicast_leave_group(br, port, group, vid, src);
} else {
err = br_ip4_multicast_add_group(br, port, group, vid,
@@ -983,7 +985,8 @@ static int br_ip6_multicast_mld2_report(struct net_bridge *br,
len = skb_transport_offset(skb) + sizeof(*icmp6h);
for (i = 0; i < num; i++) {
- __be16 *nsrcs, _nsrcs;
+ __be16 *_nsrcs, __nsrcs;
+ u16 nsrcs;
nsrcs_offset = len + offsetof(struct mld2_grec, grec_nsrcs);
@@ -991,12 +994,13 @@ static int br_ip6_multicast_mld2_report(struct net_bridge *br,
nsrcs_offset + sizeof(_nsrcs))
return -EINVAL;
- nsrcs = skb_header_pointer(skb, nsrcs_offset,
- sizeof(_nsrcs), &_nsrcs);
- if (!nsrcs)
+ _nsrcs = skb_header_pointer(skb, nsrcs_offset,
+ sizeof(__nsrcs), &__nsrcs);
+ if (!_nsrcs)
return -EINVAL;
- grec_len = struct_size(grec, grec_src, ntohs(*nsrcs));
+ nsrcs = ntohs(*_nsrcs);
+ grec_len = struct_size(grec, grec_src, nsrcs);
if (!ipv6_mc_may_pull(skb, len + grec_len))
return -EINVAL;
@@ -1021,7 +1025,7 @@ static int br_ip6_multicast_mld2_report(struct net_bridge *br,
src = eth_hdr(skb)->h_source;
if ((grec->grec_type == MLD2_CHANGE_TO_INCLUDE ||
grec->grec_type == MLD2_MODE_IS_INCLUDE) &&
- ntohs(*nsrcs) == 0) {
+ nsrcs == 0) {
br_ip6_multicast_leave_group(br, port, &grec->grec_mca,
vid, src);
} else {
@@ -1275,7 +1279,6 @@ static int br_ip6_multicast_query(struct net_bridge *br,
u16 vid)
{
unsigned int transport_len = ipv6_transport_len(skb);
- const struct ipv6hdr *ip6h = ipv6_hdr(skb);
struct mld_msg *mld;
struct net_bridge_mdb_entry *mp;
struct mld2_query *mld2q;
@@ -1319,7 +1322,7 @@ static int br_ip6_multicast_query(struct net_bridge *br,
if (is_general_query) {
saddr.proto = htons(ETH_P_IPV6);
- saddr.u.ip6 = ip6h->saddr;
+ saddr.u.ip6 = ipv6_hdr(skb)->saddr;
br_multicast_query_received(br, port, &br->ip6_other_query,
&saddr, max_delay);
diff --git a/net/bridge/br_stp_bpdu.c b/net/bridge/br_stp_bpdu.c
index 68a6922b4141..7796dd9d42d7 100644
--- a/net/bridge/br_stp_bpdu.c
+++ b/net/bridge/br_stp_bpdu.c
@@ -143,7 +143,6 @@ void br_send_tcn_bpdu(struct net_bridge_port *p)
void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb,
struct net_device *dev)
{
- const unsigned char *dest = eth_hdr(skb)->h_dest;
struct net_bridge_port *p;
struct net_bridge *br;
const unsigned char *buf;
@@ -172,7 +171,7 @@ void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb,
if (p->state == BR_STATE_DISABLED)
goto out;
- if (!ether_addr_equal(dest, br->group_addr))
+ if (!ether_addr_equal(eth_hdr(skb)->h_dest, br->group_addr))
goto out;
if (p->flags & BR_BPDU_GUARD) {
diff --git a/net/core/filter.c b/net/core/filter.c
index f615e42cf4ef..f681fb772940 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -4332,7 +4332,7 @@ BPF_CALL_5(bpf_setsockopt, struct bpf_sock_ops_kern *, bpf_sock,
TCP_CA_NAME_MAX-1));
name[TCP_CA_NAME_MAX-1] = 0;
ret = tcp_set_congestion_control(sk, name, false,
- reinit);
+ reinit, true);
} else {
struct tcp_sock *tp = tcp_sk(sk);
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 9e7fc929bc50..5bb0a1aee50e 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1122,6 +1122,7 @@ int __neigh_event_send(struct neighbour *neigh, struct sk_buff *skb)
atomic_set(&neigh->probes,
NEIGH_VAR(neigh->parms, UCAST_PROBES));
+ neigh_del_timer(neigh);
neigh->nud_state = NUD_INCOMPLETE;
neigh->updated = now;
next = now + max(NEIGH_VAR(neigh->parms, RETRANS_TIME),
@@ -1138,6 +1139,7 @@ int __neigh_event_send(struct neighbour *neigh, struct sk_buff *skb)
}
} else if (neigh->nud_state & NUD_STALE) {
neigh_dbg(2, "neigh %p is delayed\n", neigh);
+ neigh_del_timer(neigh);
neigh->nud_state = NUD_DELAY;
neigh->updated = jiffies;
neigh_add_timer(neigh, jiffies +
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index c6bd0f7a020a..c5ebfa199794 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -62,6 +62,11 @@
#include <net/net_namespace.h>
#include <net/addrconf.h>
+#define IPV6ONLY_FLAGS \
+ (IFA_F_NODAD | IFA_F_OPTIMISTIC | IFA_F_DADFAILED | \
+ IFA_F_HOMEADDRESS | IFA_F_TENTATIVE | \
+ IFA_F_MANAGETEMPADDR | IFA_F_STABLE_PRIVACY)
+
static struct ipv4_devconf ipv4_devconf = {
.data = {
[IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 1,
@@ -468,6 +473,9 @@ static int __inet_insert_ifa(struct in_ifaddr *ifa, struct nlmsghdr *nlh,
ifa->ifa_flags &= ~IFA_F_SECONDARY;
last_primary = &in_dev->ifa_list;
+ /* Don't set IPv6 only flags to IPv4 addresses */
+ ifa->ifa_flags &= ~IPV6ONLY_FLAGS;
+
for (ifap = &in_dev->ifa_list; (ifa1 = *ifap) != NULL;
ifap = &ifa1->ifa_next) {
if (!(ifa1->ifa_flags & IFA_F_SECONDARY) &&
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index a57f0d69eadb..85107bf812f2 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1228,12 +1228,8 @@ static void igmpv3_del_delrec(struct in_device *in_dev, struct ip_mc_list *im)
if (pmc) {
im->interface = pmc->interface;
if (im->sfmode == MCAST_INCLUDE) {
- im->tomb = pmc->tomb;
- pmc->tomb = NULL;
-
- im->sources = pmc->sources;
- pmc->sources = NULL;
-
+ swap(im->tomb, pmc->tomb);
+ swap(im->sources, pmc->sources);
for (psf = im->sources; psf; psf = psf->sf_next)
psf->sf_crcount = in_dev->mr_qrv ?: net->ipv4.sysctl_igmp_qrv;
} else {
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 7dc9ab84bb69..5264f064a87e 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2614,6 +2614,8 @@ int tcp_disconnect(struct sock *sk, int flags)
tcp_saved_syn_free(tp);
tp->compressed_ack = 0;
tp->bytes_sent = 0;
+ tp->bytes_acked = 0;
+ tp->bytes_received = 0;
tp->bytes_retrans = 0;
tp->duplicate_sack[0].start_seq = 0;
tp->duplicate_sack[0].end_seq = 0;
@@ -2768,7 +2770,9 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
name[val] = 0;
lock_sock(sk);
- err = tcp_set_congestion_control(sk, name, true, true);
+ err = tcp_set_congestion_control(sk, name, true, true,
+ ns_capable(sock_net(sk)->user_ns,
+ CAP_NET_ADMIN));
release_sock(sk);
return err;
}
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index e1862b64a90f..c445a81d144e 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -333,7 +333,8 @@ int tcp_set_allowed_congestion_control(char *val)
* tcp_reinit_congestion_control (if the current congestion control was
* already initialized.
*/
-int tcp_set_congestion_control(struct sock *sk, const char *name, bool load, bool reinit)
+int tcp_set_congestion_control(struct sock *sk, const char *name, bool load,
+ bool reinit, bool cap_net_admin)
{
struct inet_connection_sock *icsk = inet_csk(sk);
const struct tcp_congestion_ops *ca;
@@ -369,8 +370,7 @@ int tcp_set_congestion_control(struct sock *sk, const char *name, bool load, boo
} else {
err = -EBUSY;
}
- } else if (!((ca->flags & TCP_CONG_NON_RESTRICTED) ||
- ns_capable(sock_net(sk)->user_ns, CAP_NET_ADMIN))) {
+ } else if (!((ca->flags & TCP_CONG_NON_RESTRICTED) || cap_net_admin)) {
err = -EPERM;
} else if (!try_module_get(ca->owner)) {
err = -EBUSY;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 0ebc33d1c9e5..7d0be046cbc1 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1286,6 +1286,7 @@ int tcp_fragment(struct sock *sk, enum tcp_queue tcp_queue,
struct tcp_sock *tp = tcp_sk(sk);
struct sk_buff *buff;
int nsize, old_factor;
+ long limit;
int nlen;
u8 flags;
@@ -1296,8 +1297,16 @@ int tcp_fragment(struct sock *sk, enum tcp_queue tcp_queue,
if (nsize < 0)
nsize = 0;
- if (unlikely((sk->sk_wmem_queued >> 1) > sk->sk_sndbuf &&
- tcp_queue != TCP_FRAG_IN_WRITE_QUEUE)) {
+ /* tcp_sendmsg() can overshoot sk_wmem_queued by one full size skb.
+ * We need some allowance to not penalize applications setting small
+ * SO_SNDBUF values.
+ * Also allow first and last skb in retransmit queue to be split.
+ */
+ limit = sk->sk_sndbuf + 2 * SKB_TRUESIZE(GSO_MAX_SIZE);
+ if (unlikely((sk->sk_wmem_queued >> 1) > limit &&
+ tcp_queue != TCP_FRAG_IN_WRITE_QUEUE &&
+ skb != tcp_rtx_queue_head(sk) &&
+ skb != tcp_rtx_queue_tail(sk))) {
NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPWQUEUETOOBIG);
return -ENOMEM;
}
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 9180c8b6f764..455f1292e479 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -1104,8 +1104,24 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct fib6_info *rt,
err = call_fib6_entry_notifiers(info->nl_net,
FIB_EVENT_ENTRY_ADD,
rt, extack);
- if (err)
+ if (err) {
+ struct fib6_info *sibling, *next_sibling;
+
+ /* If the route has siblings, then it first
+ * needs to be unlinked from them.
+ */
+ if (!rt->fib6_nsiblings)
+ return err;
+
+ list_for_each_entry_safe(sibling, next_sibling,
+ &rt->fib6_siblings,
+ fib6_siblings)
+ sibling->fib6_nsiblings--;
+ rt->fib6_nsiblings = 0;
+ list_del_init(&rt->fib6_siblings);
+ rt6_multipath_rebalance(next_sibling);
return err;
+ }
rcu_assign_pointer(rt->fib6_next, iter);
fib6_info_hold(rt);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 97a843cf164c..5f5a0a42ce60 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2215,7 +2215,7 @@ static struct dst_entry *rt6_check(struct rt6_info *rt,
{
u32 rt_cookie = 0;
- if ((from && !fib6_get_cookie_safe(from, &rt_cookie)) ||
+ if (!from || !fib6_get_cookie_safe(from, &rt_cookie) ||
rt_cookie != cookie)
return NULL;
diff --git a/net/netfilter/nf_queue.c b/net/netfilter/nf_queue.c
index b5b2be55ca82..2c440015ff0c 100644
--- a/net/netfilter/nf_queue.c
+++ b/net/netfilter/nf_queue.c
@@ -190,6 +190,11 @@ static int __nf_queue(struct sk_buff *skb, const struct nf_hook_state *state,
goto err;
}
+ if (!skb_dst_force(skb) && state->hook != NF_INET_PRE_ROUTING) {
+ status = -ENETDOWN;
+ goto err;
+ }
+
*entry = (struct nf_queue_entry) {
.skb = skb,
.state = *state,
@@ -198,7 +203,6 @@ static int __nf_queue(struct sk_buff *skb, const struct nf_hook_state *state,
};
nf_queue_entry_get_refs(entry);
- skb_dst_force(skb);
switch (entry->state.pf) {
case AF_INET:
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 86b87925ef34..c4f54ad2b98a 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -869,7 +869,7 @@ int nr_rx_frame(struct sk_buff *skb, struct net_device *dev)
unsigned short frametype, flags, window, timeout;
int ret;
- skb->sk = NULL; /* Initially we don't know who it's for */
+ skb_orphan(skb);
/*
* skb->data points to the netrom frame start
@@ -967,7 +967,9 @@ int nr_rx_frame(struct sk_buff *skb, struct net_device *dev)
window = skb->data[20];
+ sock_hold(make);
skb->sk = make;
+ skb->destructor = sock_efree;
make->sk_state = TCP_ESTABLISHED;
/* Fill in his circuit details */
diff --git a/net/nfc/nci/data.c b/net/nfc/nci/data.c
index 0a0c265baaa4..ce3382be937f 100644
--- a/net/nfc/nci/data.c
+++ b/net/nfc/nci/data.c
@@ -107,7 +107,7 @@ static int nci_queue_tx_data_frags(struct nci_dev *ndev,
conn_info = nci_get_conn_info_by_conn_id(ndev, conn_id);
if (!conn_info) {
rc = -EPROTO;
- goto free_exit;
+ goto exit;
}
__skb_queue_head_init(&frags_q);
diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
index 151518dbabad..bd131469e4ca 100644
--- a/net/openvswitch/actions.c
+++ b/net/openvswitch/actions.c
@@ -166,8 +166,7 @@ static void update_ethertype(struct sk_buff *skb, struct ethhdr *hdr,
if (skb->ip_summed == CHECKSUM_COMPLETE) {
__be16 diff[] = { ~(hdr->h_proto), ethertype };
- skb->csum = ~csum_partial((char *)diff, sizeof(diff),
- ~skb->csum);
+ skb->csum = csum_partial((char *)diff, sizeof(diff), skb->csum);
}
hdr->h_proto = ethertype;
@@ -259,8 +258,7 @@ static int set_mpls(struct sk_buff *skb, struct sw_flow_key *flow_key,
if (skb->ip_summed == CHECKSUM_COMPLETE) {
__be32 diff[] = { ~(stack->label_stack_entry), lse };
- skb->csum = ~csum_partial((char *)diff, sizeof(diff),
- ~skb->csum);
+ skb->csum = csum_partial((char *)diff, sizeof(diff), skb->csum);
}
stack->label_stack_entry = lse;
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
index f9f4721cdfa7..d09eaf153544 100644
--- a/net/rxrpc/af_rxrpc.c
+++ b/net/rxrpc/af_rxrpc.c
@@ -545,6 +545,7 @@ static int rxrpc_sendmsg(struct socket *sock, struct msghdr *m, size_t len)
switch (rx->sk.sk_state) {
case RXRPC_UNBOUND:
+ case RXRPC_CLIENT_UNBOUND:
rx->srx.srx_family = AF_RXRPC;
rx->srx.srx_service = 0;
rx->srx.transport_type = SOCK_DGRAM;
@@ -569,10 +570,9 @@ static int rxrpc_sendmsg(struct socket *sock, struct msghdr *m, size_t len)
}
rx->local = local;
- rx->sk.sk_state = RXRPC_CLIENT_UNBOUND;
+ rx->sk.sk_state = RXRPC_CLIENT_BOUND;
/* Fall through */
- case RXRPC_CLIENT_UNBOUND:
case RXRPC_CLIENT_BOUND:
if (!m->msg_name &&
test_bit(RXRPC_SOCK_CONNECTED, &rx->flags)) {
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index ad36bbcc583e..b67c456f26aa 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -2160,6 +2160,9 @@ static int tc_new_tfilter(struct sk_buff *skb, struct nlmsghdr *n,
tfilter_notify(net, skb, n, tp, block, q, parent, fh,
RTM_NEWTFILTER, false, rtnl_held);
tfilter_put(tp, fh);
+ /* q pointer is NULL for shared blocks */
+ if (q)
+ q->flags &= ~TCQ_F_CAN_BYPASS;
}
errout:
diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c
index e2faf33d282b..d59fbcc745d1 100644
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -596,8 +596,6 @@ static unsigned long fq_codel_find(struct Qdisc *sch, u32 classid)
static unsigned long fq_codel_bind(struct Qdisc *sch, unsigned long parent,
u32 classid)
{
- /* we cannot bypass queue discipline anymore */
- sch->flags &= ~TCQ_F_CAN_BYPASS;
return 0;
}
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index 420bd8411677..68404a9d2ce4 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -824,8 +824,6 @@ static unsigned long sfq_find(struct Qdisc *sch, u32 classid)
static unsigned long sfq_bind(struct Qdisc *sch, unsigned long parent,
u32 classid)
{
- /* we cannot bypass queue discipline anymore */
- sch->flags &= ~TCQ_F_CAN_BYPASS;
return 0;
}
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 39ea0a37af09..f33aa9ee9e27 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4816,35 +4816,17 @@ static int sctp_setsockopt(struct sock *sk, int level, int optname,
static int sctp_connect(struct sock *sk, struct sockaddr *addr,
int addr_len, int flags)
{
- struct inet_sock *inet = inet_sk(sk);
struct sctp_af *af;
- int err = 0;
+ int err = -EINVAL;
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 = addr_len < offsetofend(struct sockaddr, sa_family) ? NULL :
- sctp_get_af_specific(addr->sa_family);
- if (!af || addr_len < af->sockaddr_len) {
- err = -EINVAL;
- } else {
- /* Pass correct addr len to common routine (so it knows there
- * is only one address being passed.
- */
+ af = sctp_get_af_specific(addr->sa_family);
+ if (af && addr_len >= af->sockaddr_len)
err = __sctp_connect(sk, addr, af->sockaddr_len, flags, NULL);
- }
release_sock(sk);
return err;
diff --git a/net/sctp/stream.c b/net/sctp/stream.c
index 93ed07877337..25946604af85 100644
--- a/net/sctp/stream.c
+++ b/net/sctp/stream.c
@@ -153,13 +153,20 @@ int sctp_stream_init(struct sctp_stream *stream, __u16 outcnt, __u16 incnt,
int sctp_stream_init_ext(struct sctp_stream *stream, __u16 sid)
{
struct sctp_stream_out_ext *soute;
+ int ret;
soute = kzalloc(sizeof(*soute), GFP_KERNEL);
if (!soute)
return -ENOMEM;
SCTP_SO(stream, sid)->ext = soute;
- return sctp_sched_init_sid(stream, sid, GFP_KERNEL);
+ ret = sctp_sched_init_sid(stream, sid, GFP_KERNEL);
+ if (ret) {
+ kfree(SCTP_SO(stream, sid)->ext);
+ SCTP_SO(stream, sid)->ext = NULL;
+ }
+
+ return ret;
}
void sctp_stream_free(struct sctp_stream *stream)
diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c
index 1f9cf57d9754..eb8f24f420f0 100644
--- a/net/tls/tls_device.c
+++ b/net/tls/tls_device.c
@@ -61,7 +61,7 @@ static void tls_device_free_ctx(struct tls_context *ctx)
if (ctx->rx_conf == TLS_HW)
kfree(tls_offload_ctx_rx(ctx));
- kfree(ctx);
+ tls_ctx_free(ctx);
}
static void tls_device_gc_task(struct work_struct *work)
@@ -742,6 +742,11 @@ int tls_set_device_offload(struct sock *sk, struct tls_context *ctx)
}
crypto_info = &ctx->crypto_send.info;
+ if (crypto_info->version != TLS_1_2_VERSION) {
+ rc = -EOPNOTSUPP;
+ goto free_offload_ctx;
+ }
+
switch (crypto_info->cipher_type) {
case TLS_CIPHER_AES_GCM_128:
nonce_size = TLS_CIPHER_AES_GCM_128_IV_SIZE;
@@ -876,6 +881,9 @@ int tls_set_device_offload_rx(struct sock *sk, struct tls_context *ctx)
struct net_device *netdev;
int rc = 0;
+ if (ctx->crypto_recv.info.version != TLS_1_2_VERSION)
+ return -EOPNOTSUPP;
+
/* We support starting offload on multiple sockets
* concurrently, so we only need a read lock here.
* This lock must precede get_netdev_for_sock to prevent races between
diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
index e2b69e805d46..4674e57e66b0 100644
--- a/net/tls/tls_main.c
+++ b/net/tls/tls_main.c
@@ -251,7 +251,7 @@ static void tls_write_space(struct sock *sk)
ctx->sk_write_space(sk);
}
-static void tls_ctx_free(struct tls_context *ctx)
+void tls_ctx_free(struct tls_context *ctx)
{
if (!ctx)
return;
@@ -643,7 +643,7 @@ static void tls_hw_sk_destruct(struct sock *sk)
ctx->sk_destruct(sk);
/* Free ctx */
- kfree(ctx);
+ tls_ctx_free(ctx);
icsk->icsk_ulp_data = NULL;
}
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index 455a782c7658..e2385183526e 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -1958,7 +1958,8 @@ bool tls_sw_stream_read(const struct sock *sk)
ingress_empty = list_empty(&psock->ingress_msg);
rcu_read_unlock();
- return !ingress_empty || ctx->recv_pkt;
+ return !ingress_empty || ctx->recv_pkt ||
+ !skb_queue_empty(&ctx->rx_list);
}
static int tls_read_size(struct strparser *strp, struct sk_buff *skb)
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 61cfd8f70989..d089eb706d18 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -3669,7 +3669,8 @@ int cmd_script(int argc, const char **argv)
goto out_delete;
uname(&uts);
- if (!strcmp(uts.machine, session->header.env.arch) ||
+ if (data.is_pipe || /* assume pipe_mode indicates native_arch */
+ !strcmp(uts.machine, session->header.env.arch) ||
(!strcmp(uts.machine, "x86_64") &&
!strcmp(session->header.env.arch, "i386")))
native_arch = true;
diff --git a/tools/testing/selftests/net/txring_overwrite.c b/tools/testing/selftests/net/txring_overwrite.c
index fd8b1c663c39..7d9ea039450a 100644
--- a/tools/testing/selftests/net/txring_overwrite.c
+++ b/tools/testing/selftests/net/txring_overwrite.c
@@ -113,7 +113,7 @@ static int setup_tx(char **ring)
*ring = mmap(0, req.tp_block_size * req.tp_block_nr,
PROT_READ | PROT_WRITE, MAP_SHARED, fdt, 0);
- if (!*ring)
+ if (*ring == MAP_FAILED)
error(1, errno, "mmap");
return fdt;
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