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

Browse Source 
Simple overlapping changes in bpf land wrt. bpf_helper_defs.h
handling.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2019-12-31 13:37:13 -08:00
commit 31d518f35e
152 changed files with 1472 additions and 1110 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
Documentation/dev-tools/kunit/start.rst
View File

@ -24,19 +24,16 @@ The wrapper can be run with:
For more information on this wrapper (also called kunit_tool) checkout the
:doc:`kunit-tool` page.
Creating a kunitconfig
======================
Creating a .kunitconfig
=======================
The Python script is a thin wrapper around Kbuild. As such, it needs to be
configured with a ``kunitconfig`` file. This file essentially contains the
configured with a ``.kunitconfig`` file. This file essentially contains the
regular Kernel config, with the specific test targets as well.
.. code-block:: bash
git clone -b master https://kunit.googlesource.com/kunitconfig $PATH_TO_KUNITCONFIG_REPO
cd $PATH_TO_LINUX_REPO
ln -s $PATH_TO_KUNIT_CONFIG_REPO/kunitconfig kunitconfig
You may want to add kunitconfig to your local gitignore.
cp arch/um/configs/kunit_defconfig .kunitconfig
Verifying KUnit Works
---------------------
@ -151,7 +148,7 @@ and the following to ``drivers/misc/Makefile``:
obj-$(CONFIG_MISC_EXAMPLE_TEST) += example-test.o
Now add it to your ``kunitconfig``:
Now add it to your ``.kunitconfig``:
.. code-block:: none

6
Documentation/networking/dsa/sja1105.rst
View File

@ -230,12 +230,6 @@ simultaneously on two ports. The driver checks the consistency of the schedules
against this restriction and errors out when appropriate. Schedule analysis is
needed to avoid this, which is outside the scope of the document.
At the moment, the time-aware scheduler can only be triggered based on a
standalone clock and not based on PTP time. This means the base-time argument
from tc-taprio is ignored and the schedule starts right away. It also means it
is more difficult to phase-align the scheduler with the other devices in the
network.
Device Tree bindings and board design
=====================================

3
MAINTAINERS
View File

@ -771,6 +771,8 @@ F: drivers/thermal/thermal_mmio.c
AMAZON ETHERNET DRIVERS
M: Netanel Belgazal <netanel@amazon.com>
M: Arthur Kiyanovski <akiyano@amazon.com>
R: Guy Tzalik <gtzalik@amazon.com>
R: Saeed Bishara <saeedb@amazon.com>
R: Zorik Machulsky <zorik@amazon.com>
L: netdev@vger.kernel.org
@ -7034,6 +7036,7 @@ L: linux-acpi@vger.kernel.org
S: Maintained
F: Documentation/firmware-guide/acpi/gpio-properties.rst
F: drivers/gpio/gpiolib-acpi.c
F: drivers/gpio/gpiolib-acpi.h
GPIO IR Transmitter
M: Sean Young <sean@mess.org>

2
Makefile
View File

@ -2,7 +2,7 @@
VERSION = 5
PATCHLEVEL = 5
SUBLEVEL = 0
EXTRAVERSION = -rc2
EXTRAVERSION = -rc4
NAME = Kleptomaniac Octopus
# *DOCUMENTATION*

1
arch/riscv/kernel/entry.S
View File

@ -246,6 +246,7 @@ check_syscall_nr:
*/
li t1, -1
beq a7, t1, ret_from_syscall_rejected
blt a7, t1, 1f
/* Call syscall */
la s0, sys_call_table
slli t0, a7, RISCV_LGPTR

3
arch/riscv/kernel/riscv_ksyms.c
View File

@ -9,8 +9,5 @@
/*
* Assembly functions that may be used (directly or indirectly) by modules
*/
EXPORT_SYMBOL(__clear_user);
EXPORT_SYMBOL(__asm_copy_to_user);
EXPORT_SYMBOL(__asm_copy_from_user);
EXPORT_SYMBOL(memset);
EXPORT_SYMBOL(memcpy);

4
arch/riscv/lib/uaccess.S
View File

@ -1,4 +1,5 @@
#include <linux/linkage.h>
#include <asm-generic/export.h>
#include <asm/asm.h>
#include <asm/csr.h>
@ -66,6 +67,8 @@ ENTRY(__asm_copy_from_user)
j 3b
ENDPROC(__asm_copy_to_user)
ENDPROC(__asm_copy_from_user)
EXPORT_SYMBOL(__asm_copy_to_user)
EXPORT_SYMBOL(__asm_copy_from_user)
ENTRY(__clear_user)
@ -108,6 +111,7 @@ ENTRY(__clear_user)
bltu a0, a3, 5b
j 3b
ENDPROC(__clear_user)
EXPORT_SYMBOL(__clear_user)
.section .fixup,"ax"
.balign 4

1
arch/riscv/mm/cacheflush.c
View File

@ -22,6 +22,7 @@ void flush_icache_all(void)
else
on_each_cpu(ipi_remote_fence_i, NULL, 1);
}
EXPORT_SYMBOL(flush_icache_all);
/*
* Performs an icache flush for the given MM context. RISC-V has no direct

16
block/compat_ioctl.c
View File

@ -6,6 +6,7 @@
#include <linux/compat.h>
#include <linux/elevator.h>
#include <linux/hdreg.h>
#include <linux/pr.h>
#include <linux/slab.h>
#include <linux/syscalls.h>
#include <linux/types.h>
@ -354,6 +355,13 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
* but we call blkdev_ioctl, which gets the lock for us
*/
case BLKRRPART:
case BLKREPORTZONE:
case BLKRESETZONE:
case BLKOPENZONE:
case BLKCLOSEZONE:
case BLKFINISHZONE:
case BLKGETZONESZ:
case BLKGETNRZONES:
return blkdev_ioctl(bdev, mode, cmd,
(unsigned long)compat_ptr(arg));
case BLKBSZSET_32:
@ -401,6 +409,14 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
case BLKTRACETEARDOWN: /* compatible */
ret = blk_trace_ioctl(bdev, cmd, compat_ptr(arg));
return ret;
case IOC_PR_REGISTER:
case IOC_PR_RESERVE:
case IOC_PR_RELEASE:
case IOC_PR_PREEMPT:
case IOC_PR_PREEMPT_ABORT:
case IOC_PR_CLEAR:
return blkdev_ioctl(bdev, mode, cmd,
(unsigned long)compat_ptr(arg));
default:
if (disk->fops->compat_ioctl)
ret = disk->fops->compat_ioctl(bdev, mode, cmd, arg);

135
drivers/ata/ahci_brcm.c
View File

@ -76,8 +76,7 @@ enum brcm_ahci_version {
};
enum brcm_ahci_quirks {
BRCM_AHCI_QUIRK_NO_NCQ = BIT(0),
BRCM_AHCI_QUIRK_SKIP_PHY_ENABLE = BIT(1),
BRCM_AHCI_QUIRK_SKIP_PHY_ENABLE = BIT(0),
};
struct brcm_ahci_priv {
@ -213,19 +212,12 @@ static void brcm_sata_phys_disable(struct brcm_ahci_priv *priv)
brcm_sata_phy_disable(priv, i);
}
static u32 brcm_ahci_get_portmask(struct platform_device *pdev,
static u32 brcm_ahci_get_portmask(struct ahci_host_priv *hpriv,
struct brcm_ahci_priv *priv)
{
void __iomem *ahci;
struct resource *res;
u32 impl;
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ahci");
ahci = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(ahci))
return 0;
impl = readl(ahci + HOST_PORTS_IMPL);
impl = readl(hpriv->mmio + HOST_PORTS_IMPL);
if (fls(impl) > SATA_TOP_MAX_PHYS)
dev_warn(priv->dev, "warning: more ports than PHYs (%#x)\n",
@ -233,9 +225,6 @@ static u32 brcm_ahci_get_portmask(struct platform_device *pdev,
else if (!impl)
dev_info(priv->dev, "no ports found\n");
devm_iounmap(&pdev->dev, ahci);
devm_release_mem_region(&pdev->dev, res->start, resource_size(res));
return impl;
}
@ -285,6 +274,13 @@ static unsigned int brcm_ahci_read_id(struct ata_device *dev,
/* Perform the SATA PHY reset sequence */
brcm_sata_phy_disable(priv, ap->port_no);
/* Reset the SATA clock */
ahci_platform_disable_clks(hpriv);
msleep(10);
ahci_platform_enable_clks(hpriv);
msleep(10);
/* Bring the PHY back on */
brcm_sata_phy_enable(priv, ap->port_no);
@ -347,11 +343,10 @@ static int brcm_ahci_suspend(struct device *dev)
struct ata_host *host = dev_get_drvdata(dev);
struct ahci_host_priv *hpriv = host->private_data;
struct brcm_ahci_priv *priv = hpriv->plat_data;
int ret;
ret = ahci_platform_suspend(dev);
brcm_sata_phys_disable(priv);
return ret;
return ahci_platform_suspend(dev);
}
static int brcm_ahci_resume(struct device *dev)
@ -359,11 +354,44 @@ static int brcm_ahci_resume(struct device *dev)
struct ata_host *host = dev_get_drvdata(dev);
struct ahci_host_priv *hpriv = host->private_data;
struct brcm_ahci_priv *priv = hpriv->plat_data;
int ret;
/* Make sure clocks are turned on before re-configuration */
ret = ahci_platform_enable_clks(hpriv);
if (ret)
return ret;
brcm_sata_init(priv);
brcm_sata_phys_enable(priv);
brcm_sata_alpm_init(hpriv);
return ahci_platform_resume(dev);
/* Since we had to enable clocks earlier on, we cannot use
* ahci_platform_resume() as-is since a second call to
* ahci_platform_enable_resources() would bump up the resources
* (regulators, clocks, PHYs) count artificially so we copy the part
* after ahci_platform_enable_resources().
*/
ret = ahci_platform_enable_phys(hpriv);
if (ret)
goto out_disable_phys;
ret = ahci_platform_resume_host(dev);
if (ret)
goto out_disable_platform_phys;
/* We resumed so update PM runtime state */
pm_runtime_disable(dev);
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
return 0;
out_disable_platform_phys:
ahci_platform_disable_phys(hpriv);
out_disable_phys:
brcm_sata_phys_disable(priv);
ahci_platform_disable_clks(hpriv);
return ret;
}
#endif
@ -410,44 +438,71 @@ static int brcm_ahci_probe(struct platform_device *pdev)
if (!IS_ERR_OR_NULL(priv->rcdev))
reset_control_deassert(priv->rcdev);
if ((priv->version == BRCM_SATA_BCM7425) ||
(priv->version == BRCM_SATA_NSP)) {
priv->quirks |= BRCM_AHCI_QUIRK_NO_NCQ;
priv->quirks |= BRCM_AHCI_QUIRK_SKIP_PHY_ENABLE;
hpriv = ahci_platform_get_resources(pdev, 0);
if (IS_ERR(hpriv)) {
ret = PTR_ERR(hpriv);
goto out_reset;
}
hpriv->plat_data = priv;
hpriv->flags = AHCI_HFLAG_WAKE_BEFORE_STOP | AHCI_HFLAG_NO_WRITE_TO_RO;
switch (priv->version) {
case BRCM_SATA_BCM7425:
hpriv->flags |= AHCI_HFLAG_DELAY_ENGINE;
/* fall through */
case BRCM_SATA_NSP:
hpriv->flags |= AHCI_HFLAG_NO_NCQ;
priv->quirks |= BRCM_AHCI_QUIRK_SKIP_PHY_ENABLE;
break;
default:
break;
}
ret = ahci_platform_enable_clks(hpriv);
if (ret)
goto out_reset;
/* Must be first so as to configure endianness including that
* of the standard AHCI register space.
*/
brcm_sata_init(priv);
priv->port_mask = brcm_ahci_get_portmask(pdev, priv);
if (!priv->port_mask)
return -ENODEV;
/* Initializes priv->port_mask which is used below */
priv->port_mask = brcm_ahci_get_portmask(hpriv, priv);
if (!priv->port_mask) {
ret = -ENODEV;
goto out_disable_clks;
}
/* Must be done before ahci_platform_enable_phys() */
brcm_sata_phys_enable(priv);
hpriv = ahci_platform_get_resources(pdev, 0);
if (IS_ERR(hpriv))
return PTR_ERR(hpriv);
hpriv->plat_data = priv;
hpriv->flags = AHCI_HFLAG_WAKE_BEFORE_STOP;
brcm_sata_alpm_init(hpriv);
ret = ahci_platform_enable_resources(hpriv);
ret = ahci_platform_enable_phys(hpriv);
if (ret)
return ret;
if (priv->quirks & BRCM_AHCI_QUIRK_NO_NCQ)
hpriv->flags |= AHCI_HFLAG_NO_NCQ;
hpriv->flags |= AHCI_HFLAG_NO_WRITE_TO_RO;
goto out_disable_phys;
ret = ahci_platform_init_host(pdev, hpriv, &ahci_brcm_port_info,
&ahci_platform_sht);
if (ret)
return ret;
goto out_disable_platform_phys;
dev_info(dev, "Broadcom AHCI SATA3 registered\n");
return 0;
out_disable_platform_phys:
ahci_platform_disable_phys(hpriv);
out_disable_phys:
brcm_sata_phys_disable(priv);
out_disable_clks:
ahci_platform_disable_clks(hpriv);
out_reset:
if (!IS_ERR_OR_NULL(priv->rcdev))
reset_control_assert(priv->rcdev);
return ret;
}
static int brcm_ahci_remove(struct platform_device *pdev)
@ -457,12 +512,12 @@ static int brcm_ahci_remove(struct platform_device *pdev)
struct brcm_ahci_priv *priv = hpriv->plat_data;
int ret;
brcm_sata_phys_disable(priv);
ret = ata_platform_remove_one(pdev);
if (ret)
return ret;
brcm_sata_phys_disable(priv);
return 0;
}

6
drivers/ata/libahci_platform.c
View File

@ -43,7 +43,7 @@ EXPORT_SYMBOL_GPL(ahci_platform_ops);
* RETURNS:
* 0 on success otherwise a negative error code
*/
static int ahci_platform_enable_phys(struct ahci_host_priv *hpriv)
int ahci_platform_enable_phys(struct ahci_host_priv *hpriv)
{
int rc, i;
@ -74,6 +74,7 @@ disable_phys:
}
return rc;
}
EXPORT_SYMBOL_GPL(ahci_platform_enable_phys);
/**
* ahci_platform_disable_phys - Disable PHYs
@ -81,7 +82,7 @@ disable_phys:
*
* This function disables all PHYs found in hpriv->phys.
*/
static void ahci_platform_disable_phys(struct ahci_host_priv *hpriv)
void ahci_platform_disable_phys(struct ahci_host_priv *hpriv)
{
int i;
@ -90,6 +91,7 @@ static void ahci_platform_disable_phys(struct ahci_host_priv *hpriv)
phy_exit(hpriv->phys[i]);
}
}
EXPORT_SYMBOL_GPL(ahci_platform_disable_phys);
/**
* ahci_platform_enable_clks - Enable platform clocks

24
drivers/ata/libata-core.c
View File

@ -5328,6 +5328,30 @@ void ata_qc_complete(struct ata_queued_cmd *qc)
}
}
/**
* ata_qc_get_active - get bitmask of active qcs
* @ap: port in question
*
* LOCKING:
* spin_lock_irqsave(host lock)
*
* RETURNS:
* Bitmask of active qcs
*/
u64 ata_qc_get_active(struct ata_port *ap)
{
u64 qc_active = ap->qc_active;
/* ATA_TAG_INTERNAL is sent to hw as tag 0 */
if (qc_active & (1ULL << ATA_TAG_INTERNAL)) {
qc_active |= (1 << 0);
qc_active &= ~(1ULL << ATA_TAG_INTERNAL);
}
return qc_active;
}
EXPORT_SYMBOL_GPL(ata_qc_get_active);
/**
* ata_qc_complete_multiple - Complete multiple qcs successfully
* @ap: port in question

2
drivers/ata/sata_fsl.c
View File

@ -1280,7 +1280,7 @@ static void sata_fsl_host_intr(struct ata_port *ap)
i, ioread32(hcr_base + CC),
ioread32(hcr_base + CA));
}
ata_qc_complete_multiple(ap, ap->qc_active ^ done_mask);
ata_qc_complete_multiple(ap, ata_qc_get_active(ap) ^ done_mask);
return;
} else if ((ap->qc_active & (1ULL << ATA_TAG_INTERNAL))) {

2
drivers/ata/sata_mv.c
View File

@ -2829,7 +2829,7 @@ static void mv_process_crpb_entries(struct ata_port *ap, struct mv_port_priv *pp
}
if (work_done) {
ata_qc_complete_multiple(ap, ap->qc_active ^ done_mask);
ata_qc_complete_multiple(ap, ata_qc_get_active(ap) ^ done_mask);
/* Update the software queue position index in hardware */
writelfl((pp->crpb_dma & EDMA_RSP_Q_BASE_LO_MASK) |

2
drivers/ata/sata_nv.c
View File

@ -984,7 +984,7 @@ static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance)
check_commands = 0;
check_commands &= ~(1 << pos);
}
ata_qc_complete_multiple(ap, ap->qc_active ^ done_mask);
ata_qc_complete_multiple(ap, ata_qc_get_active(ap) ^ done_mask);
}
}

2
drivers/block/pktcdvd.c
View File

@ -2707,7 +2707,7 @@ static const struct block_device_operations pktcdvd_ops = {
.release = pkt_close,
.ioctl = pkt_ioctl,
#ifdef CONFIG_COMPAT
.ioctl = pkt_compat_ioctl,
.compat_ioctl = pkt_compat_ioctl,
#endif
.check_events = pkt_check_events,
};

5
drivers/devfreq/Kconfig
View File

@ -83,7 +83,6 @@ config ARM_EXYNOS_BUS_DEVFREQ
select DEVFREQ_GOV_PASSIVE
select DEVFREQ_EVENT_EXYNOS_PPMU
select PM_DEVFREQ_EVENT
select PM_OPP
help
This adds the common DEVFREQ driver for Exynos Memory bus. Exynos
Memory bus has one more group of memory bus (e.g, MIF and INT block).
@ -98,7 +97,7 @@ config ARM_TEGRA_DEVFREQ
ARCH_TEGRA_132_SOC || ARCH_TEGRA_124_SOC || \
ARCH_TEGRA_210_SOC || \
COMPILE_TEST
select PM_OPP
depends on COMMON_CLK
help
This adds the DEVFREQ driver for the Tegra family of SoCs.
It reads ACTMON counters of memory controllers and adjusts the
@ -109,7 +108,6 @@ config ARM_TEGRA20_DEVFREQ
depends on (TEGRA_MC && TEGRA20_EMC) || COMPILE_TEST
depends on COMMON_CLK
select DEVFREQ_GOV_SIMPLE_ONDEMAND
select PM_OPP
help
This adds the DEVFREQ driver for the Tegra20 family of SoCs.
It reads Memory Controller counters and adjusts the operating
@ -121,7 +119,6 @@ config ARM_RK3399_DMC_DEVFREQ
select DEVFREQ_EVENT_ROCKCHIP_DFI
select DEVFREQ_GOV_SIMPLE_ONDEMAND
select PM_DEVFREQ_EVENT
select PM_OPP
help
This adds the DEVFREQ driver for the RK3399 DMC(Dynamic Memory Controller).
It sets the frequency for the memory controller and reads the usage counts

4
drivers/gpio/Kconfig
View File

@ -553,8 +553,8 @@ config GPIO_TEGRA
config GPIO_TEGRA186
tristate "NVIDIA Tegra186 GPIO support"
default ARCH_TEGRA_186_SOC
depends on ARCH_TEGRA_186_SOC || COMPILE_TEST
default ARCH_TEGRA_186_SOC || ARCH_TEGRA_194_SOC
depends on ARCH_TEGRA_186_SOC || ARCH_TEGRA_194_SOC || COMPILE_TEST
depends on OF_GPIO
select GPIOLIB_IRQCHIP
select IRQ_DOMAIN_HIERARCHY

2
drivers/gpio/gpio-aspeed-sgpio.c
View File

@ -107,7 +107,7 @@ static void __iomem *bank_reg(struct aspeed_sgpio *gpio,
return gpio->base + bank->irq_regs + GPIO_IRQ_STATUS;
default:
/* acturally if code runs to here, it's an error case */
BUG_ON(1);
BUG();
}
}

7
drivers/gpio/gpio-mockup.c
View File

@ -226,7 +226,7 @@ static int gpio_mockup_get_direction(struct gpio_chip *gc, unsigned int offset)
int direction;
mutex_lock(&chip->lock);
direction = !chip->lines[offset].dir;
direction = chip->lines[offset].dir;
mutex_unlock(&chip->lock);
return direction;
@ -395,7 +395,7 @@ static int gpio_mockup_probe(struct platform_device *pdev)
struct gpio_chip *gc;
struct device *dev;
const char *name;
int rv, base;
int rv, base, i;
u16 ngpio;
dev = &pdev->dev;
@ -447,6 +447,9 @@ static int gpio_mockup_probe(struct platform_device *pdev)
if (!chip->lines)
return -ENOMEM;
for (i = 0; i < gc->ngpio; i++)
chip->lines[i].dir = GPIO_LINE_DIRECTION_IN;
if (device_property_read_bool(dev, "named-gpio-lines")) {
rv = gpio_mockup_name_lines(dev, chip);
if (rv)

1
drivers/gpio/gpio-mpc8xxx.c
View File

@ -346,6 +346,7 @@ static int mpc8xxx_probe(struct platform_device *pdev)
return -ENOMEM;
gc = &mpc8xxx_gc->gc;
gc->parent = &pdev->dev;
if (of_property_read_bool(np, "little-endian")) {
ret = bgpio_init(gc, &pdev->dev, 4,

26
drivers/gpio/gpio-pca953x.c
View File

@ -568,16 +568,18 @@ static void pca953x_irq_mask(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct pca953x_chip *chip = gpiochip_get_data(gc);
irq_hw_number_t hwirq = irqd_to_hwirq(d);
chip->irq_mask[d->hwirq / BANK_SZ] &= ~BIT(d->hwirq % BANK_SZ);
clear_bit(hwirq, chip->irq_mask);
}
static void pca953x_irq_unmask(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct pca953x_chip *chip = gpiochip_get_data(gc);
irq_hw_number_t hwirq = irqd_to_hwirq(d);
chip->irq_mask[d->hwirq / BANK_SZ] |= BIT(d->hwirq % BANK_SZ);
set_bit(hwirq, chip->irq_mask);
}
static int pca953x_irq_set_wake(struct irq_data *d, unsigned int on)
@ -635,8 +637,7 @@ static int pca953x_irq_set_type(struct irq_data *d, unsigned int type)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct pca953x_chip *chip = gpiochip_get_data(gc);
int bank_nb = d->hwirq / BANK_SZ;
u8 mask = BIT(d->hwirq % BANK_SZ);
irq_hw_number_t hwirq = irqd_to_hwirq(d);
if (!(type & IRQ_TYPE_EDGE_BOTH)) {
dev_err(&chip->client->dev, "irq %d: unsupported type %d\n",
@ -644,15 +645,8 @@ static int pca953x_irq_set_type(struct irq_data *d, unsigned int type)
return -EINVAL;
}
if (type & IRQ_TYPE_EDGE_FALLING)
chip->irq_trig_fall[bank_nb] |= mask;
else
chip->irq_trig_fall[bank_nb] &= ~mask;
if (type & IRQ_TYPE_EDGE_RISING)
chip->irq_trig_raise[bank_nb] |= mask;
else
chip->irq_trig_raise[bank_nb] &= ~mask;
assign_bit(hwirq, chip->irq_trig_fall, type & IRQ_TYPE_EDGE_FALLING);
assign_bit(hwirq, chip->irq_trig_raise, type & IRQ_TYPE_EDGE_RISING);
return 0;
}
@ -661,10 +655,10 @@ static void pca953x_irq_shutdown(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct pca953x_chip *chip = gpiochip_get_data(gc);
u8 mask = BIT(d->hwirq % BANK_SZ);
irq_hw_number_t hwirq = irqd_to_hwirq(d);
chip->irq_trig_raise[d->hwirq / BANK_SZ] &= ~mask;
chip->irq_trig_fall[d->hwirq / BANK_SZ] &= ~mask;
clear_bit(hwirq, chip->irq_trig_raise);
clear_bit(hwirq, chip->irq_trig_fall);
}
static bool pca953x_irq_pending(struct pca953x_chip *chip, unsigned long *pending)

2
drivers/gpio/gpio-xgs-iproc.c
View File

@ -280,7 +280,7 @@ static int iproc_gpio_probe(struct platform_device *pdev)
return 0;
}
static int __exit iproc_gpio_remove(struct platform_device *pdev)
static int iproc_gpio_remove(struct platform_device *pdev)
{
struct iproc_gpio_chip *chip;

7
drivers/gpio/gpio-xtensa.c
View File

@ -44,15 +44,14 @@ static inline unsigned long enable_cp(unsigned long *cpenable)
unsigned long flags;
local_irq_save(flags);
RSR_CPENABLE(*cpenable);
WSR_CPENABLE(*cpenable | BIT(XCHAL_CP_ID_XTIOP));
*cpenable = xtensa_get_sr(cpenable);
xtensa_set_sr(*cpenable | BIT(XCHAL_CP_ID_XTIOP), cpenable);
return flags;
}
static inline void disable_cp(unsigned long flags, unsigned long cpenable)
{
WSR_CPENABLE(cpenable);
xtensa_set_sr(cpenable, cpenable);
local_irq_restore(flags);
}

13
drivers/gpio/gpiolib.c
View File

@ -220,6 +220,14 @@ int gpiod_get_direction(struct gpio_desc *desc)
chip = gpiod_to_chip(desc);
offset = gpio_chip_hwgpio(desc);
/*
* Open drain emulation using input mode may incorrectly report
* input here, fix that up.
*/
if (test_bit(FLAG_OPEN_DRAIN, &desc->flags) &&
test_bit(FLAG_IS_OUT, &desc->flags))
return 0;
if (!chip->get_direction)
return -ENOTSUPP;
@ -4472,8 +4480,9 @@ static struct gpio_desc *gpiod_find(struct device *dev, const char *con_id,
if (chip->ngpio <= p->chip_hwnum) {
dev_err(dev,
"requested GPIO %d is out of range [0..%d] for chip %s\n",
idx, chip->ngpio, chip->label);
"requested GPIO %u (%u) is out of range [0..%u] for chip %s\n",
idx, p->chip_hwnum, chip->ngpio - 1,
chip->label);
return ERR_PTR(-EINVAL);
}

2
drivers/gpu/drm/i915/display/intel_display.c
View File

@ -15112,7 +15112,7 @@ intel_prepare_plane_fb(struct drm_plane *plane,
return ret;
fb_obj_bump_render_priority(obj);
intel_frontbuffer_flush(obj->frontbuffer, ORIGIN_DIRTYFB);
i915_gem_object_flush_frontbuffer(obj, ORIGIN_DIRTYFB);
if (!new_plane_state->base.fence) { /* implicit fencing */
struct dma_fence *fence;

16
drivers/gpu/drm/i915/display/intel_frontbuffer.c
View File

@ -229,11 +229,11 @@ static void frontbuffer_release(struct kref *ref)
vma->display_alignment = I915_GTT_MIN_ALIGNMENT;
spin_unlock(&obj->vma.lock);
obj->frontbuffer = NULL;
RCU_INIT_POINTER(obj->frontbuffer, NULL);
spin_unlock(&to_i915(obj->base.dev)->fb_tracking.lock);
i915_gem_object_put(obj);
kfree(front);
kfree_rcu(front, rcu);
}
struct intel_frontbuffer *
@ -242,11 +242,7 @@ intel_frontbuffer_get(struct drm_i915_gem_object *obj)
struct drm_i915_private *i915 = to_i915(obj->base.dev);
struct intel_frontbuffer *front;
spin_lock(&i915->fb_tracking.lock);
front = obj->frontbuffer;
if (front)
kref_get(&front->ref);
spin_unlock(&i915->fb_tracking.lock);
front = __intel_frontbuffer_get(obj);
if (front)
return front;
@ -262,13 +258,13 @@ intel_frontbuffer_get(struct drm_i915_gem_object *obj)
i915_active_may_sleep(frontbuffer_retire));
spin_lock(&i915->fb_tracking.lock);
if (obj->frontbuffer) {
if (rcu_access_pointer(obj->frontbuffer)) {
kfree(front);
front = obj->frontbuffer;
front = rcu_dereference_protected(obj->frontbuffer, true);
kref_get(&front->ref);
} else {
i915_gem_object_get(obj);
obj->frontbuffer = front;
rcu_assign_pointer(obj->frontbuffer, front);
}
spin_unlock(&i915->fb_tracking.lock);

34
drivers/gpu/drm/i915/display/intel_frontbuffer.h
View File

@ -27,10 +27,10 @@
#include <linux/atomic.h>
#include <linux/kref.h>
#include "gem/i915_gem_object_types.h"
#include "i915_active.h"
struct drm_i915_private;
struct drm_i915_gem_object;
enum fb_op_origin {
ORIGIN_GTT,
@ -45,6 +45,7 @@ struct intel_frontbuffer {
atomic_t bits;
struct i915_active write;
struct drm_i915_gem_object *obj;
struct rcu_head rcu;
};
void intel_frontbuffer_flip_prepare(struct drm_i915_private *i915,
@ -54,6 +55,35 @@ void intel_frontbuffer_flip_complete(struct drm_i915_private *i915,
void intel_frontbuffer_flip(struct drm_i915_private *i915,
unsigned frontbuffer_bits);
void intel_frontbuffer_put(struct intel_frontbuffer *front);
static inline struct intel_frontbuffer *
__intel_frontbuffer_get(const struct drm_i915_gem_object *obj)
{
struct intel_frontbuffer *front;
if (likely(!rcu_access_pointer(obj->frontbuffer)))
return NULL;
rcu_read_lock();
do {
front = rcu_dereference(obj->frontbuffer);
if (!front)
break;
if (unlikely(!kref_get_unless_zero(&front->ref)))
continue;
if (likely(front == rcu_access_pointer(obj->frontbuffer)))
break;
intel_frontbuffer_put(front);
} while (1);
rcu_read_unlock();
return front;
}
struct intel_frontbuffer *
intel_frontbuffer_get(struct drm_i915_gem_object *obj);
@ -119,6 +149,4 @@ void intel_frontbuffer_track(struct intel_frontbuffer *old,
struct intel_frontbuffer *new,
unsigned int frontbuffer_bits);
void intel_frontbuffer_put(struct intel_frontbuffer *front);
#endif /* __INTEL_FRONTBUFFER_H__ */

17
drivers/gpu/drm/i915/display/intel_overlay.c
View File

@ -279,12 +279,21 @@ static void intel_overlay_flip_prepare(struct intel_overlay *overlay,
struct i915_vma *vma)
{
enum pipe pipe = overlay->crtc->pipe;
struct intel_frontbuffer *from = NULL, *to = NULL;
WARN_ON(overlay->old_vma);
intel_frontbuffer_track(overlay->vma ? overlay->vma->obj->frontbuffer : NULL,
vma ? vma->obj->frontbuffer : NULL,
INTEL_FRONTBUFFER_OVERLAY(pipe));
if (overlay->vma)
from = intel_frontbuffer_get(overlay->vma->obj);
if (vma)
to = intel_frontbuffer_get(vma->obj);
intel_frontbuffer_track(from, to, INTEL_FRONTBUFFER_OVERLAY(pipe));
if (to)
intel_frontbuffer_put(to);
if (from)
intel_frontbuffer_put(from);
intel_frontbuffer_flip_prepare(overlay->i915,
INTEL_FRONTBUFFER_OVERLAY(pipe));
@ -766,7 +775,7 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay,
ret = PTR_ERR(vma);
goto out_pin_section;
}
intel_frontbuffer_flush(new_bo->frontbuffer, ORIGIN_DIRTYFB);
i915_gem_object_flush_frontbuffer(new_bo, ORIGIN_DIRTYFB);
if (!overlay->active) {
u32 oconfig;

3
drivers/gpu/drm/i915/gem/i915_gem_clflush.c
View File

@ -20,7 +20,8 @@ static void __do_clflush(struct drm_i915_gem_object *obj)
{
GEM_BUG_ON(!i915_gem_object_has_pages(obj));
drm_clflush_sg(obj->mm.pages);
intel_frontbuffer_flush(obj->frontbuffer, ORIGIN_CPU);
i915_gem_object_flush_frontbuffer(obj, ORIGIN_CPU);
}
static int clflush_work(struct dma_fence_work *base)

4
drivers/gpu/drm/i915/gem/i915_gem_domain.c
View File

@ -664,7 +664,7 @@ i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
i915_gem_object_unlock(obj);
if (write_domain)
intel_frontbuffer_invalidate(obj->frontbuffer, ORIGIN_CPU);
i915_gem_object_invalidate_frontbuffer(obj, ORIGIN_CPU);
out_unpin:
i915_gem_object_unpin_pages(obj);
@ -784,7 +784,7 @@ int i915_gem_object_prepare_write(struct drm_i915_gem_object *obj,
}
out:
intel_frontbuffer_invalidate(obj->frontbuffer, ORIGIN_CPU);
i915_gem_object_invalidate_frontbuffer(obj, ORIGIN_CPU);
obj->mm.dirty = true;
/* return with the pages pinned */
return 0;

26
drivers/gpu/drm/i915/gem/i915_gem_object.c
View File

@ -280,7 +280,7 @@ i915_gem_object_flush_write_domain(struct drm_i915_gem_object *obj,
for_each_ggtt_vma(vma, obj)
intel_gt_flush_ggtt_writes(vma->vm->gt);
intel_frontbuffer_flush(obj->frontbuffer, ORIGIN_CPU);
i915_gem_object_flush_frontbuffer(obj, ORIGIN_CPU);
for_each_ggtt_vma(vma, obj) {
if (vma->iomap)
@ -308,6 +308,30 @@ i915_gem_object_flush_write_domain(struct drm_i915_gem_object *obj,
obj->write_domain = 0;
}
void __i915_gem_object_flush_frontbuffer(struct drm_i915_gem_object *obj,
enum fb_op_origin origin)
{
struct intel_frontbuffer *front;
front = __intel_frontbuffer_get(obj);
if (front) {
intel_frontbuffer_flush(front, origin);
intel_frontbuffer_put(front);
}
}
void __i915_gem_object_invalidate_frontbuffer(struct drm_i915_gem_object *obj,
enum fb_op_origin origin)
{
struct intel_frontbuffer *front;
front = __intel_frontbuffer_get(obj);
if (front) {
intel_frontbuffer_invalidate(front, origin);
intel_frontbuffer_put(front);
}
}
void i915_gem_init__objects(struct drm_i915_private *i915)
{
INIT_WORK(&i915->mm.free_work, __i915_gem_free_work);

23
drivers/gpu/drm/i915/gem/i915_gem_object.h
View File

@ -13,8 +13,8 @@
#include <drm/i915_drm.h>
#include "display/intel_frontbuffer.h"
#include "i915_gem_object_types.h"
#include "i915_gem_gtt.h"
void i915_gem_init__objects(struct drm_i915_private *i915);
@ -463,4 +463,25 @@ int i915_gem_object_wait_priority(struct drm_i915_gem_object *obj,
unsigned int flags,
const struct i915_sched_attr *attr);
void __i915_gem_object_flush_frontbuffer(struct drm_i915_gem_object *obj,
enum fb_op_origin origin);
void __i915_gem_object_invalidate_frontbuffer(struct drm_i915_gem_object *obj,
enum fb_op_origin origin);
static inline void
i915_gem_object_flush_frontbuffer(struct drm_i915_gem_object *obj,
enum fb_op_origin origin)
{
if (unlikely(rcu_access_pointer(obj->frontbuffer)))
__i915_gem_object_flush_frontbuffer(obj, origin);
}
static inline void
i915_gem_object_invalidate_frontbuffer(struct drm_i915_gem_object *obj,
enum fb_op_origin origin)
{
if (unlikely(rcu_access_pointer(obj->frontbuffer)))
__i915_gem_object_invalidate_frontbuffer(obj, origin);
}
#endif

2
drivers/gpu/drm/i915/gem/i915_gem_object_types.h
View File

@ -150,7 +150,7 @@ struct drm_i915_gem_object {
*/
u16 write_domain;
struct intel_frontbuffer *frontbuffer;
struct intel_frontbuffer __rcu *frontbuffer;
/** Current tiling stride for the object, if it's tiled. */
unsigned int tiling_and_stride;

3
drivers/gpu/drm/i915/gt/intel_gt_pm.c
View File

@ -94,8 +94,9 @@ static int __gt_park(struct intel_wakeref *wf)
intel_uncore_forcewake_put(&i915->uncore, FORCEWAKE_ALL);
}
/* Defer dropping the display power well for 100ms, it's slow! */
GEM_BUG_ON(!wakeref);
intel_display_power_put(i915, POWER_DOMAIN_GT_IRQ, wakeref);
intel_display_power_put_async(i915, POWER_DOMAIN_GT_IRQ, wakeref);
i915_globals_park();

10
drivers/gpu/drm/i915/i915_gem.c
View File

@ -161,7 +161,7 @@ i915_gem_phys_pwrite(struct drm_i915_gem_object *obj,
* We manually control the domain here and pretend that it
* remains coherent i.e. in the GTT domain, like shmem_pwrite.
*/
intel_frontbuffer_invalidate(obj->frontbuffer, ORIGIN_CPU);
i915_gem_object_invalidate_frontbuffer(obj, ORIGIN_CPU);
if (copy_from_user(vaddr, user_data, args->size))
return -EFAULT;
@ -169,7 +169,7 @@ i915_gem_phys_pwrite(struct drm_i915_gem_object *obj,
drm_clflush_virt_range(vaddr, args->size);
intel_gt_chipset_flush(&to_i915(obj->base.dev)->gt);
intel_frontbuffer_flush(obj->frontbuffer, ORIGIN_CPU);
i915_gem_object_flush_frontbuffer(obj, ORIGIN_CPU);
return 0;
}
@ -589,7 +589,7 @@ i915_gem_gtt_pwrite_fast(struct drm_i915_gem_object *obj,
goto out_unpin;
}
intel_frontbuffer_invalidate(obj->frontbuffer, ORIGIN_CPU);
i915_gem_object_invalidate_frontbuffer(obj, ORIGIN_CPU);
user_data = u64_to_user_ptr(args->data_ptr);
offset = args->offset;
@ -631,7 +631,7 @@ i915_gem_gtt_pwrite_fast(struct drm_i915_gem_object *obj,
user_data += page_length;
offset += page_length;
}
intel_frontbuffer_flush(obj->frontbuffer, ORIGIN_CPU);
i915_gem_object_flush_frontbuffer(obj, ORIGIN_CPU);
i915_gem_object_unlock_fence(obj, fence);
out_unpin:
@ -721,7 +721,7 @@ i915_gem_shmem_pwrite(struct drm_i915_gem_object *obj,
offset = 0;
}
intel_frontbuffer_flush(obj->frontbuffer, ORIGIN_CPU);
i915_gem_object_flush_frontbuffer(obj, ORIGIN_CPU);
i915_gem_object_unlock_fence(obj, fence);
return ret;

73
drivers/gpu/drm/i915/i915_pmu.c
View File

@ -144,61 +144,40 @@ static inline s64 ktime_since(const ktime_t kt)
return ktime_to_ns(ktime_sub(ktime_get(), kt));
}
static u64 __pmu_estimate_rc6(struct i915_pmu *pmu)
{
u64 val;
/*
* We think we are runtime suspended.
*
* Report the delta from when the device was suspended to now,
* on top of the last known real value, as the approximated RC6
* counter value.
*/
val = ktime_since(pmu->sleep_last);
val += pmu->sample[__I915_SAMPLE_RC6].cur;
pmu->sample[__I915_SAMPLE_RC6_ESTIMATED].cur = val;
return val;
}
static u64 __pmu_update_rc6(struct i915_pmu *pmu, u64 val)
{
/*
* If we are coming back from being runtime suspended we must
* be careful not to report a larger value than returned
* previously.
*/
if (val >= pmu->sample[__I915_SAMPLE_RC6_ESTIMATED].cur) {
pmu->sample[__I915_SAMPLE_RC6_ESTIMATED].cur = 0;
pmu->sample[__I915_SAMPLE_RC6].cur = val;
} else {
val = pmu->sample[__I915_SAMPLE_RC6_ESTIMATED].cur;
}
return val;
}
static u64 get_rc6(struct intel_gt *gt)
{
struct drm_i915_private *i915 = gt->i915;
struct i915_pmu *pmu = &i915->pmu;
unsigned long flags;
bool awake = false;
u64 val;
val = 0;
if (intel_gt_pm_get_if_awake(gt)) {
val = __get_rc6(gt);
intel_gt_pm_put_async(gt);
awake = true;
}
spin_lock_irqsave(&pmu->lock, flags);
if (val)
val = __pmu_update_rc6(pmu, val);
if (awake) {
pmu->sample[__I915_SAMPLE_RC6].cur = val;
} else {
/*
* We think we are runtime suspended.
*
* Report the delta from when the device was suspended to now,
* on top of the last known real value, as the approximated RC6
* counter value.
*/
val = ktime_since(pmu->sleep_last);
val += pmu->sample[__I915_SAMPLE_RC6].cur;
}
if (val < pmu->sample[__I915_SAMPLE_RC6_LAST_REPORTED].cur)
val = pmu->sample[__I915_SAMPLE_RC6_LAST_REPORTED].cur;
else
val = __pmu_estimate_rc6(pmu);
pmu->sample[__I915_SAMPLE_RC6_LAST_REPORTED].cur = val;
spin_unlock_irqrestore(&pmu->lock, flags);
@ -210,20 +189,11 @@ static void park_rc6(struct drm_i915_private *i915)
struct i915_pmu *pmu = &i915->pmu;
if (pmu->enable & config_enabled_mask(I915_PMU_RC6_RESIDENCY))
__pmu_update_rc6(pmu, __get_rc6(&i915->gt));
pmu->sample[__I915_SAMPLE_RC6].cur = __get_rc6(&i915->gt);
pmu->sleep_last = ktime_get();
}
static void unpark_rc6(struct drm_i915_private *i915)
{
struct i915_pmu *pmu = &i915->pmu;
/* Estimate how long we slept and accumulate that into rc6 counters */
if (pmu->enable & config_enabled_mask(I915_PMU_RC6_RESIDENCY))
__pmu_estimate_rc6(pmu);
}
#else
static u64 get_rc6(struct intel_gt *gt)
@ -232,7 +202,6 @@ static u64 get_rc6(struct intel_gt *gt)
}
static void park_rc6(struct drm_i915_private *i915) {}
static void unpark_rc6(struct drm_i915_private *i915) {}
#endif
@ -281,8 +250,6 @@ void i915_pmu_gt_unparked(struct drm_i915_private *i915)
*/
__i915_pmu_maybe_start_timer(pmu);
unpark_rc6(i915);
spin_unlock_irq(&pmu->lock);
}

2
drivers/gpu/drm/i915/i915_pmu.h
View File

@ -18,7 +18,7 @@ enum {
__I915_SAMPLE_FREQ_ACT = 0,
__I915_SAMPLE_FREQ_REQ,
__I915_SAMPLE_RC6,
__I915_SAMPLE_RC6_ESTIMATED,
__I915_SAMPLE_RC6_LAST_REPORTED,
__I915_NUM_PMU_SAMPLERS
};

10
drivers/gpu/drm/i915/i915_vma.c
View File

@ -1104,8 +1104,14 @@ int i915_vma_move_to_active(struct i915_vma *vma,
return err;
if (flags & EXEC_OBJECT_WRITE) {
if (intel_frontbuffer_invalidate(obj->frontbuffer, ORIGIN_CS))
i915_active_add_request(&obj->frontbuffer->write, rq);
struct intel_frontbuffer *front;
front = __intel_frontbuffer_get(obj);
if (unlikely(front)) {
if (intel_frontbuffer_invalidate(front, ORIGIN_CS))
i915_active_add_request(&front->write, rq);
intel_frontbuffer_put(front);
}
dma_resv_add_excl_fence(vma->resv, &rq->fence);
obj->write_domain = I915_GEM_DOMAIN_RENDER;

6
drivers/net/dsa/bcm_sf2_cfp.c
View File

@ -358,7 +358,7 @@ static int bcm_sf2_cfp_ipv4_rule_set(struct bcm_sf2_priv *priv, int port,
return -EINVAL;
}
ip_frag = be32_to_cpu(fs->m_ext.data[0]);
ip_frag = !!(be32_to_cpu(fs->h_ext.data[0]) & 1);
/* Locate the first rule available */
if (fs->location == RX_CLS_LOC_ANY)
@ -569,7 +569,7 @@ static int bcm_sf2_cfp_rule_cmp(struct bcm_sf2_priv *priv, int port,
if (rule->fs.flow_type != fs->flow_type ||
rule->fs.ring_cookie != fs->ring_cookie ||
rule->fs.m_ext.data[0] != fs->m_ext.data[0])
rule->fs.h_ext.data[0] != fs->h_ext.data[0])
continue;
switch (fs->flow_type & ~FLOW_EXT) {
@ -621,7 +621,7 @@ static int bcm_sf2_cfp_ipv6_rule_set(struct bcm_sf2_priv *priv, int port,
return -EINVAL;
}
ip_frag = be32_to_cpu(fs->m_ext.data[0]);
ip_frag = !!(be32_to_cpu(fs->h_ext.data[0]) & 1);
layout = &udf_tcpip6_layout;
slice_num = bcm_sf2_get_slice_number(layout, 0);

10
drivers/net/dsa/sja1105/sja1105_main.c
View File

@ -1569,8 +1569,8 @@ static int sja1105_vlan_filtering(struct dsa_switch *ds, int port, bool enabled)
if (enabled) {
/* Enable VLAN filtering. */
tpid = ETH_P_8021AD;
tpid2 = ETH_P_8021Q;
tpid = ETH_P_8021Q;
tpid2 = ETH_P_8021AD;
} else {
/* Disable VLAN filtering. */
tpid = ETH_P_SJA1105;
@ -1579,9 +1579,9 @@ static int sja1105_vlan_filtering(struct dsa_switch *ds, int port, bool enabled)
table = &priv->static_config.tables[BLK_IDX_GENERAL_PARAMS];
general_params = table->entries;
/* EtherType used to identify outer tagged (S-tag) VLAN traffic */
general_params->tpid = tpid;
/* EtherType used to identify inner tagged (C-tag) VLAN traffic */
general_params->tpid = tpid;
/* EtherType used to identify outer tagged (S-tag) VLAN traffic */
general_params->tpid2 = tpid2;
/* When VLAN filtering is on, we need to at least be able to
* decode management traffic through the "backup plan".
@ -1855,7 +1855,7 @@ static netdev_tx_t sja1105_port_deferred_xmit(struct dsa_switch *ds, int port,
if (!clone)
goto out;
sja1105_ptp_txtstamp_skb(ds, slot, clone);
sja1105_ptp_txtstamp_skb(ds, port, clone);
out:
mutex_unlock(&priv->mgmt_lock);

6
drivers/net/dsa/sja1105/sja1105_ptp.c
View File

@ -237,7 +237,7 @@ int sja1105_ptp_commit(struct dsa_switch *ds, struct sja1105_ptp_cmd *cmd,
if (rw == SPI_WRITE)
priv->info->ptp_cmd_packing(buf, cmd, PACK);
rc = sja1105_xfer_buf(priv, SPI_WRITE, regs->ptp_control, buf,
rc = sja1105_xfer_buf(priv, rw, regs->ptp_control, buf,
SJA1105_SIZE_PTP_CMD);
if (rw == SPI_READ)
@ -659,7 +659,7 @@ void sja1105_ptp_clock_unregister(struct dsa_switch *ds)
ptp_data->clock = NULL;
}
void sja1105_ptp_txtstamp_skb(struct dsa_switch *ds, int slot,
void sja1105_ptp_txtstamp_skb(struct dsa_switch *ds, int port,
struct sk_buff *skb)
{
struct sja1105_private *priv = ds->priv;
@ -679,7 +679,7 @@ void sja1105_ptp_txtstamp_skb(struct dsa_switch *ds, int slot,
goto out;
}
rc = sja1105_ptpegr_ts_poll(ds, slot, &ts);
rc = sja1105_ptpegr_ts_poll(ds, port, &ts);
if (rc < 0) {
dev_err(ds->dev, "timed out polling for tstamp\n");
kfree_skb(skb);

7
drivers/net/dsa/sja1105/sja1105_static_config.c
View File

@ -142,6 +142,9 @@ static size_t sja1105et_general_params_entry_packing(void *buf, void *entry_ptr,
return size;
}
/* TPID and TPID2 are intentionally reversed so that semantic
* compatibility with E/T is kept.
*/
static size_t
sja1105pqrs_general_params_entry_packing(void *buf, void *entry_ptr,
enum packing_op op)
@ -166,9 +169,9 @@ sja1105pqrs_general_params_entry_packing(void *buf, void *entry_ptr,
sja1105_packing(buf, &entry->mirr_port, 141, 139, size, op);
sja1105_packing(buf, &entry->vlmarker, 138, 107, size, op);
sja1105_packing(buf, &entry->vlmask, 106, 75, size, op);
sja1105_packing(buf, &entry->tpid, 74, 59, size, op);
sja1105_packing(buf, &entry->tpid2, 74, 59, size, op);
sja1105_packing(buf, &entry->ignore2stf, 58, 58, size, op);
sja1105_packing(buf, &entry->tpid2, 57, 42, size, op);
sja1105_packing(buf, &entry->tpid, 57, 42, size, op);
sja1105_packing(buf, &entry->queue_ts, 41, 41, size, op);
sja1105_packing(buf, &entry->egrmirrvid, 40, 29, size, op);
sja1105_packing(buf, &entry->egrmirrpcp, 28, 26, size, op);

5
drivers/net/dsa/sja1105/sja1105_tas.c
View File

@ -477,11 +477,6 @@ int sja1105_setup_tc_taprio(struct dsa_switch *ds, int port,
if (admin->cycle_time_extension)
return -ENOTSUPP;
if (!ns_to_sja1105_delta(admin->base_time)) {
dev_err(ds->dev, "A base time of zero is not hardware-allowed\n");
return -ERANGE;
}
for (i = 0; i < admin->num_entries; i++) {
s64 delta_ns = admin->entries[i].interval;
s64 delta_cycles = ns_to_sja1105_delta(delta_ns);

5
drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h
View File

@ -1536,8 +1536,11 @@ void bnx2x_get_rss_ind_table(struct bnx2x_rss_config_obj *rss_obj,
((MAX_MAC_CREDIT_E2 - GET_NUM_VFS_PER_PATH(bp) * VF_MAC_CREDIT_CNT) / \
func_num + GET_NUM_VFS_PER_PF(bp) * VF_MAC_CREDIT_CNT)
#define BNX2X_VFS_VLAN_CREDIT(bp) \
(GET_NUM_VFS_PER_PATH(bp) * VF_VLAN_CREDIT_CNT)
#define PF_VLAN_CREDIT_E2(bp, func_num) \
((MAX_MAC_CREDIT_E2 - GET_NUM_VFS_PER_PATH(bp) * VF_VLAN_CREDIT_CNT) / \
((MAX_VLAN_CREDIT_E2 - 1 - BNX2X_VFS_VLAN_CREDIT(bp)) / \
func_num + GET_NUM_VFS_PER_PF(bp) * VF_VLAN_CREDIT_CNT)
#endif /* BNX2X_SP_VERBS */

1
drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
View File

@ -515,6 +515,7 @@ struct link_config {
enum cc_pause requested_fc; /* flow control user has requested */
enum cc_pause fc; /* actual link flow control */
enum cc_pause advertised_fc; /* actual advertised flow control */
enum cc_fec requested_fec; /* Forward Error Correction: */
enum cc_fec fec; /* requested and actual in use */

4
drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
View File

@ -807,8 +807,8 @@ static void get_pauseparam(struct net_device *dev,
struct port_info *p = netdev_priv(dev);
epause->autoneg = (p->link_cfg.requested_fc & PAUSE_AUTONEG) != 0;
epause->rx_pause = (p->link_cfg.fc & PAUSE_RX) != 0;
epause->tx_pause = (p->link_cfg.fc & PAUSE_TX) != 0;
epause->rx_pause = (p->link_cfg.advertised_fc & PAUSE_RX) != 0;
epause->tx_pause = (p->link_cfg.advertised_fc & PAUSE_TX) != 0;
}
static int set_pauseparam(struct net_device *dev,

23
drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
View File

@ -4089,7 +4089,8 @@ static inline fw_port_cap32_t cc_to_fwcap_pause(enum cc_pause cc_pause)
if (cc_pause & PAUSE_TX)
fw_pause |= FW_PORT_CAP32_802_3_PAUSE;
else
fw_pause |= FW_PORT_CAP32_802_3_ASM_DIR;
fw_pause |= FW_PORT_CAP32_802_3_ASM_DIR |
FW_PORT_CAP32_802_3_PAUSE;
} else if (cc_pause & PAUSE_TX) {
fw_pause |= FW_PORT_CAP32_802_3_ASM_DIR;
}
@ -8563,17 +8564,17 @@ static fw_port_cap32_t lstatus_to_fwcap(u32 lstatus)
void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl)
{
const struct fw_port_cmd *cmd = (const void *)rpl;
int action = FW_PORT_CMD_ACTION_G(be32_to_cpu(cmd->action_to_len16));
struct adapter *adapter = pi->adapter;
struct link_config *lc = &pi->link_cfg;
int link_ok, linkdnrc;
enum fw_port_type port_type;
enum fw_port_module_type mod_type;
unsigned int speed, fc, fec;
fw_port_cap32_t pcaps, acaps, lpacaps, linkattr;
struct link_config *lc = &pi->link_cfg;
struct adapter *adapter = pi->adapter;
unsigned int speed, fc, fec, adv_fc;
enum fw_port_module_type mod_type;
int action, link_ok, linkdnrc;
enum fw_port_type port_type;
/* Extract the various fields from the Port Information message.
*/
action = FW_PORT_CMD_ACTION_G(be32_to_cpu(cmd->action_to_len16));
switch (action) {
case FW_PORT_ACTION_GET_PORT_INFO: {
u32 lstatus = be32_to_cpu(cmd->u.info.lstatus_to_modtype);
@ -8611,6 +8612,7 @@ void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl)
}
fec = fwcap_to_cc_fec(acaps);
adv_fc = fwcap_to_cc_pause(acaps);
fc = fwcap_to_cc_pause(linkattr);
speed = fwcap_to_speed(linkattr);
@ -8667,7 +8669,9 @@ void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl)
}
if (link_ok != lc->link_ok || speed != lc->speed ||
fc != lc->fc || fec != lc->fec) { /* something changed */
fc != lc->fc || adv_fc != lc->advertised_fc ||
fec != lc->fec) {
/* something changed */
if (!link_ok && lc->link_ok) {
lc->link_down_rc = linkdnrc;
dev_warn_ratelimited(adapter->pdev_dev,
@ -8677,6 +8681,7 @@ void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl)
}
lc->link_ok = link_ok;
lc->speed = speed;
lc->advertised_fc = adv_fc;
lc->fc = fc;
lc->fec = fec;

4
drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
View File

@ -1690,8 +1690,8 @@ static void cxgb4vf_get_pauseparam(struct net_device *dev,
struct port_info *pi = netdev_priv(dev);
pauseparam->autoneg = (pi->link_cfg.requested_fc & PAUSE_AUTONEG) != 0;
pauseparam->rx_pause = (pi->link_cfg.fc & PAUSE_RX) != 0;
pauseparam->tx_pause = (pi->link_cfg.fc & PAUSE_TX) != 0;
pauseparam->rx_pause = (pi->link_cfg.advertised_fc & PAUSE_RX) != 0;
pauseparam->tx_pause = (pi->link_cfg.advertised_fc & PAUSE_TX) != 0;
}
/*

1
drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h
View File

@ -135,6 +135,7 @@ struct link_config {
enum cc_pause requested_fc; /* flow control user has requested */
enum cc_pause fc; /* actual link flow control */
enum cc_pause advertised_fc; /* actual advertised flow control */
enum cc_fec auto_fec; /* Forward Error Correction: */
enum cc_fec requested_fec; /* "automatic" (IEEE 802.3), */

20
drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c
View File

@ -1913,16 +1913,16 @@ static const char *t4vf_link_down_rc_str(unsigned char link_down_rc)
static void t4vf_handle_get_port_info(struct port_info *pi,
const struct fw_port_cmd *cmd)
{
int action = FW_PORT_CMD_ACTION_G(be32_to_cpu(cmd->action_to_len16));
struct adapter *adapter = pi->adapter;
struct link_config *lc = &pi->link_cfg;
int link_ok, linkdnrc;
enum fw_port_type port_type;
enum fw_port_module_type mod_type;
unsigned int speed, fc, fec;
fw_port_cap32_t pcaps, acaps, lpacaps, linkattr;
struct link_config *lc = &pi->link_cfg;
struct adapter *adapter = pi->adapter;
unsigned int speed, fc, fec, adv_fc;
enum fw_port_module_type mod_type;
int action, link_ok, linkdnrc;
enum fw_port_type port_type;
/* Extract the various fields from the Port Information message. */
action = FW_PORT_CMD_ACTION_G(be32_to_cpu(cmd->action_to_len16));
switch (action) {
case FW_PORT_ACTION_GET_PORT_INFO: {
u32 lstatus = be32_to_cpu(cmd->u.info.lstatus_to_modtype);
@ -1982,6 +1982,7 @@ static void t4vf_handle_get_port_info(struct port_info *pi,
}
fec = fwcap_to_cc_fec(acaps);
adv_fc = fwcap_to_cc_pause(acaps);
fc = fwcap_to_cc_pause(linkattr);
speed = fwcap_to_speed(linkattr);
@ -2012,7 +2013,9 @@ static void t4vf_handle_get_port_info(struct port_info *pi,
}
if (link_ok != lc->link_ok || speed != lc->speed ||
fc != lc->fc || fec != lc->fec) { /* something changed */
fc != lc->fc || adv_fc != lc->advertised_fc ||
fec != lc->fec) {
/* something changed */
if (!link_ok && lc->link_ok) {
lc->link_down_rc = linkdnrc;
dev_warn_ratelimited(adapter->pdev_dev,
@ -2022,6 +2025,7 @@ static void t4vf_handle_get_port_info(struct port_info *pi,
}
lc->link_ok = link_ok;
lc->speed = speed;
lc->advertised_fc = adv_fc;
lc->fc = fc;
lc->fec = fec;

39
drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
View File

@ -1719,7 +1719,7 @@ static struct sk_buff *sg_fd_to_skb(const struct dpaa_priv *priv,
int page_offset;
unsigned int sz;
int *count_ptr;
int i;
int i, j;
vaddr = phys_to_virt(addr);
WARN_ON(!IS_ALIGNED((unsigned long)vaddr, SMP_CACHE_BYTES));
@ -1736,14 +1736,14 @@ static struct sk_buff *sg_fd_to_skb(const struct dpaa_priv *priv,
WARN_ON(!IS_ALIGNED((unsigned long)sg_vaddr,
SMP_CACHE_BYTES));
dma_unmap_page(priv->rx_dma_dev, sg_addr,
DPAA_BP_RAW_SIZE, DMA_FROM_DEVICE);
/* We may use multiple Rx pools */
dpaa_bp = dpaa_bpid2pool(sgt[i].bpid);
if (!dpaa_bp)
goto free_buffers;
count_ptr = this_cpu_ptr(dpaa_bp->percpu_count);
dma_unmap_page(priv->rx_dma_dev, sg_addr,
DPAA_BP_RAW_SIZE, DMA_FROM_DEVICE);
if (!skb) {
sz = dpaa_bp->size +
SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
@ -1786,7 +1786,9 @@ static struct sk_buff *sg_fd_to_skb(const struct dpaa_priv *priv,
skb_add_rx_frag(skb, i - 1, head_page, frag_off,
frag_len, dpaa_bp->size);
}
/* Update the pool count for the current {cpu x bpool} */
count_ptr = this_cpu_ptr(dpaa_bp->percpu_count);
(*count_ptr)--;
if (qm_sg_entry_is_final(&sgt[i]))
@ -1800,26 +1802,25 @@ static struct sk_buff *sg_fd_to_skb(const struct dpaa_priv *priv,
return skb;
free_buffers:
/* compensate sw bpool counter changes */
for (i--; i >= 0; i--) {
dpaa_bp = dpaa_bpid2pool(sgt[i].bpid);
if (dpaa_bp) {
count_ptr = this_cpu_ptr(dpaa_bp->percpu_count);
(*count_ptr)++;
}
}
/* free all the SG entries */
for (i = 0; i < DPAA_SGT_MAX_ENTRIES ; i++) {
sg_addr = qm_sg_addr(&sgt[i]);
for (j = 0; j < DPAA_SGT_MAX_ENTRIES ; j++) {
sg_addr = qm_sg_addr(&sgt[j]);
sg_vaddr = phys_to_virt(sg_addr);
/* all pages 0..i were unmaped */
if (j > i)
dma_unmap_page(priv->rx_dma_dev, qm_sg_addr(&sgt[j]),
DPAA_BP_RAW_SIZE, DMA_FROM_DEVICE);
free_pages((unsigned long)sg_vaddr, 0);
dpaa_bp = dpaa_bpid2pool(sgt[i].bpid);
if (dpaa_bp) {
count_ptr = this_cpu_ptr(dpaa_bp->percpu_count);
(*count_ptr)--;
/* counters 0..i-1 were decremented */
if (j >= i) {
dpaa_bp = dpaa_bpid2pool(sgt[j].bpid);
if (dpaa_bp) {
count_ptr = this_cpu_ptr(dpaa_bp->percpu_count);
(*count_ptr)--;
}
}
if (qm_sg_entry_is_final(&sgt[i]))
if (qm_sg_entry_is_final(&sgt[j]))
break;
}
/* free the SGT fragment */

7
drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2.c
View File

@ -6,6 +6,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/netlink.h>
#include <linux/vmalloc.h>
#include <linux/xz.h>
#include "mlxfw_mfa2.h"
#include "mlxfw_mfa2_file.h"
@ -548,7 +549,7 @@ mlxfw_mfa2_file_component_get(const struct mlxfw_mfa2_file *mfa2_file,
comp_size = be32_to_cpu(comp->size);
comp_buf_size = comp_size + mlxfw_mfa2_comp_magic_len;
comp_data = kmalloc(sizeof(*comp_data) + comp_buf_size, GFP_KERNEL);
comp_data = vzalloc(sizeof(*comp_data) + comp_buf_size);
if (!comp_data)
return ERR_PTR(-ENOMEM);
comp_data->comp.data_size = comp_size;
@ -570,7 +571,7 @@ mlxfw_mfa2_file_component_get(const struct mlxfw_mfa2_file *mfa2_file,
comp_data->comp.data = comp_data->buff + mlxfw_mfa2_comp_magic_len;
return &comp_data->comp;
err_out:
kfree(comp_data);
vfree(comp_data);
return ERR_PTR(err);
}
@ -579,7 +580,7 @@ void mlxfw_mfa2_file_component_put(struct mlxfw_mfa2_component *comp)
const struct mlxfw_mfa2_comp_data *comp_data;
comp_data = container_of(comp, struct mlxfw_mfa2_comp_data, comp);
kfree(comp_data);
vfree(comp_data);
}
void mlxfw_mfa2_file_fini(struct mlxfw_mfa2_file *mfa2_file)

1
drivers/net/ethernet/mellanox/mlxsw/reg.h
View File

@ -5471,6 +5471,7 @@ enum mlxsw_reg_htgt_trap_group {
MLXSW_REG_HTGT_TRAP_GROUP_SP_LBERROR,
MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP0,
MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP1,
MLXSW_REG_HTGT_TRAP_GROUP_SP_VRRP,
__MLXSW_REG_HTGT_TRAP_GROUP_MAX,
MLXSW_REG_HTGT_TRAP_GROUP_MAX = __MLXSW_REG_HTGT_TRAP_GROUP_MAX - 1

9
drivers/net/ethernet/mellanox/mlxsw/spectrum.c
View File

@ -4543,8 +4543,8 @@ static const struct mlxsw_listener mlxsw_sp_listener[] = {
MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV6, TRAP_TO_CPU, ROUTER_EXP, false),
MLXSW_SP_RXL_MARK(IPIP_DECAP_ERROR, TRAP_TO_CPU, ROUTER_EXP, false),
MLXSW_SP_RXL_MARK(DECAP_ECN0, TRAP_TO_CPU, ROUTER_EXP, false),
MLXSW_SP_RXL_MARK(IPV4_VRRP, TRAP_TO_CPU, ROUTER_EXP, false),
MLXSW_SP_RXL_MARK(IPV6_VRRP, TRAP_TO_CPU, ROUTER_EXP, false),
MLXSW_SP_RXL_MARK(IPV4_VRRP, TRAP_TO_CPU, VRRP, false),
MLXSW_SP_RXL_MARK(IPV6_VRRP, TRAP_TO_CPU, VRRP, false),
/* PKT Sample trap */
MLXSW_RXL(mlxsw_sp_rx_listener_sample_func, PKT_SAMPLE, MIRROR_TO_CPU,
false, SP_IP2ME, DISCARD),
@ -4627,6 +4627,10 @@ static int mlxsw_sp_cpu_policers_set(struct mlxsw_core *mlxsw_core)
rate = 19 * 1024;
burst_size = 12;
break;
case MLXSW_REG_HTGT_TRAP_GROUP_SP_VRRP:
rate = 360;
burst_size = 7;
break;
default:
continue;
}
@ -4666,6 +4670,7 @@ static int mlxsw_sp_trap_groups_set(struct mlxsw_core *mlxsw_core)
case MLXSW_REG_HTGT_TRAP_GROUP_SP_OSPF:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_PIM:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP0:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_VRRP:
priority = 5;
tc = 5;
break;

3
drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
View File

@ -6787,6 +6787,9 @@ static int mlxsw_sp_router_port_check_rif_addr(struct mlxsw_sp *mlxsw_sp,
for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) {
rif = mlxsw_sp->router->rifs[i];
if (rif && rif->ops &&
rif->ops->type == MLXSW_SP_RIF_TYPE_IPIP_LB)
continue;
if (rif && rif->dev && rif->dev != dev &&
!ether_addr_equal_masked(rif->dev->dev_addr, dev_addr,
mlxsw_sp->mac_mask)) {

14
drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
View File

@ -112,6 +112,14 @@ static int meson8b_init_rgmii_tx_clk(struct meson8b_dwmac *dwmac)
struct device *dev = dwmac->dev;
const char *parent_name, *mux_parent_names[MUX_CLK_NUM_PARENTS];
struct meson8b_dwmac_clk_configs *clk_configs;
static const struct clk_div_table div_table[] = {
{ .div = 2, .val = 2, },
{ .div = 3, .val = 3, },
{ .div = 4, .val = 4, },
{ .div = 5, .val = 5, },
{ .div = 6, .val = 6, },
{ .div = 7, .val = 7, },
};
clk_configs = devm_kzalloc(dev, sizeof(*clk_configs), GFP_KERNEL);
if (!clk_configs)
@ -146,9 +154,9 @@ static int meson8b_init_rgmii_tx_clk(struct meson8b_dwmac *dwmac)
clk_configs->m250_div.reg = dwmac->regs + PRG_ETH0;
clk_configs->m250_div.shift = PRG_ETH0_CLK_M250_DIV_SHIFT;
clk_configs->m250_div.width = PRG_ETH0_CLK_M250_DIV_WIDTH;
clk_configs->m250_div.flags = CLK_DIVIDER_ONE_BASED |
CLK_DIVIDER_ALLOW_ZERO |
CLK_DIVIDER_ROUND_CLOSEST;
clk_configs->m250_div.table = div_table;
clk_configs->m250_div.flags = CLK_DIVIDER_ALLOW_ZERO |
CLK_DIVIDER_ROUND_CLOSEST;
clk = meson8b_dwmac_register_clk(dwmac, "m250_div", &parent_name, 1,
&clk_divider_ops,
&clk_configs->m250_div.hw);

2
drivers/net/gtp.c
View File

@ -540,7 +540,7 @@ static int gtp_build_skb_ip4(struct sk_buff *skb, struct net_device *dev,
mtu = dst_mtu(&rt->dst);
}
rt->dst.ops->update_pmtu(&rt->dst, NULL, skb, mtu);
rt->dst.ops->update_pmtu(&rt->dst, NULL, skb, mtu, false);
if (!skb_is_gso(skb) && (iph->frag_off & htons(IP_DF)) &&
mtu < ntohs(iph->tot_len)) {

2
drivers/net/phy/aquantia_main.c
View File

@ -627,6 +627,8 @@ static struct phy_driver aqr_driver[] = {
.config_intr = aqr_config_intr,
.ack_interrupt = aqr_ack_interrupt,
.read_status = aqr_read_status,
.suspend = aqr107_suspend,
.resume = aqr107_resume,
},
{
PHY_ID_MATCH_MODEL(PHY_ID_AQR106),

31
drivers/ptp/ptp_clock.c
View File

@ -166,9 +166,9 @@ static struct posix_clock_operations ptp_clock_ops = {
.read = ptp_read,
};
static void delete_ptp_clock(struct posix_clock *pc)
static void ptp_clock_release(struct device *dev)
{
struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);
struct ptp_clock *ptp = container_of(dev, struct ptp_clock, dev);
mutex_destroy(&ptp->tsevq_mux);
mutex_destroy(&ptp->pincfg_mux);
@ -213,7 +213,6 @@ struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info,
}
ptp->clock.ops = ptp_clock_ops;
ptp->clock.release = delete_ptp_clock;
ptp->info = info;
ptp->devid = MKDEV(major, index);
ptp->index = index;
@ -236,15 +235,6 @@ struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info,
if (err)
goto no_pin_groups;
/* Create a new device in our class. */
ptp->dev = device_create_with_groups(ptp_class, parent, ptp->devid,
ptp, ptp->pin_attr_groups,
"ptp%d", ptp->index);
if (IS_ERR(ptp->dev)) {
err = PTR_ERR(ptp->dev);
goto no_device;
}
/* Register a new PPS source. */
if (info->pps) {
struct pps_source_info pps;
@ -260,8 +250,18 @@ struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info,
}
}
/* Create a posix clock. */
err = posix_clock_register(&ptp->clock, ptp->devid);
/* Initialize a new device of our class in our clock structure. */
device_initialize(&ptp->dev);
ptp->dev.devt = ptp->devid;
ptp->dev.class = ptp_class;
ptp->dev.parent = parent;
ptp->dev.groups = ptp->pin_attr_groups;
ptp->dev.release = ptp_clock_release;
dev_set_drvdata(&ptp->dev, ptp);
dev_set_name(&ptp->dev, "ptp%d", ptp->index);
/* Create a posix clock and link it to the device. */
err = posix_clock_register(&ptp->clock, &ptp->dev);
if (err) {
pr_err("failed to create posix clock\n");
goto no_clock;
@ -273,8 +273,6 @@ no_clock:
if (ptp->pps_source)
pps_unregister_source(ptp->pps_source);
no_pps:
device_destroy(ptp_class, ptp->devid);
no_device:
ptp_cleanup_pin_groups(ptp);
no_pin_groups:
if (ptp->kworker)
@ -304,7 +302,6 @@ int ptp_clock_unregister(struct ptp_clock *ptp)
if (ptp->pps_source)
pps_unregister_source(ptp->pps_source);
device_destroy(ptp_class, ptp->devid);
ptp_cleanup_pin_groups(ptp);
posix_clock_unregister(&ptp->clock);

2
drivers/ptp/ptp_private.h
View File

@ -28,7 +28,7 @@ struct timestamp_event_queue {
struct ptp_clock {
struct posix_clock clock;
struct device *dev;
struct device dev;
struct ptp_clock_info *info;
dev_t devid;
int index; /* index into clocks.map */

29
drivers/s390/net/qeth_core_main.c
View File

@ -2473,50 +2473,46 @@ static int qeth_mpc_initialize(struct qeth_card *card)
rc = qeth_cm_enable(card);
if (rc) {
QETH_CARD_TEXT_(card, 2, "2err%d", rc);
goto out_qdio;
return rc;
}
rc = qeth_cm_setup(card);
if (rc) {
QETH_CARD_TEXT_(card, 2, "3err%d", rc);
goto out_qdio;
return rc;
}
rc = qeth_ulp_enable(card);
if (rc) {
QETH_CARD_TEXT_(card, 2, "4err%d", rc);
goto out_qdio;
return rc;
}
rc = qeth_ulp_setup(card);
if (rc) {
QETH_CARD_TEXT_(card, 2, "5err%d", rc);
goto out_qdio;
return rc;
}
rc = qeth_alloc_qdio_queues(card);
if (rc) {
QETH_CARD_TEXT_(card, 2, "5err%d", rc);
goto out_qdio;
return rc;
}
rc = qeth_qdio_establish(card);
if (rc) {
QETH_CARD_TEXT_(card, 2, "6err%d", rc);
qeth_free_qdio_queues(card);
goto out_qdio;
return rc;
}
rc = qeth_qdio_activate(card);
if (rc) {
QETH_CARD_TEXT_(card, 2, "7err%d", rc);
goto out_qdio;
return rc;
}
rc = qeth_dm_act(card);
if (rc) {
QETH_CARD_TEXT_(card, 2, "8err%d", rc);
goto out_qdio;
return rc;
}
return 0;
out_qdio:
qeth_qdio_clear_card(card, !IS_IQD(card));
qdio_free(CARD_DDEV(card));
return rc;
}
void qeth_print_status_message(struct qeth_card *card)
@ -3419,11 +3415,6 @@ int qeth_configure_cq(struct qeth_card *card, enum qeth_cq cq)
goto out;
}
if (card->state != CARD_STATE_DOWN) {
rc = -1;
goto out;
}
qeth_free_qdio_queues(card);
card->options.cq = cq;
rc = 0;
@ -5023,10 +5014,8 @@ retriable:
}
if (qeth_adp_supported(card, IPA_SETADP_SET_DIAG_ASSIST)) {
rc = qeth_query_setdiagass(card);
if (rc < 0) {
if (rc)
QETH_CARD_TEXT_(card, 2, "8err%d", rc);
goto out;
}
}
if (!qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP) ||

10
drivers/s390/net/qeth_l2_main.c
View File

@ -287,12 +287,12 @@ static void qeth_l2_stop_card(struct qeth_card *card)
card->state = CARD_STATE_HARDSETUP;
}
if (card->state == CARD_STATE_HARDSETUP) {
qeth_qdio_clear_card(card, 0);
qeth_drain_output_queues(card);
qeth_clear_working_pool_list(card);
card->state = CARD_STATE_DOWN;
}
qeth_qdio_clear_card(card, 0);
flush_workqueue(card->event_wq);
card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
card->info.promisc_mode = 0;
@ -1912,8 +1912,7 @@ int qeth_l2_vnicc_get_timeout(struct qeth_card *card, u32 *timeout)
/* check if VNICC is currently enabled */
bool qeth_l2_vnicc_is_in_use(struct qeth_card *card)
{
/* if everything is turned off, VNICC is not active */
if (!card->options.vnicc.cur_chars)
if (!card->options.vnicc.sup_chars)
return false;
/* default values are only OK if rx_bcast was not enabled by user
* or the card is offline.
@ -2000,8 +1999,9 @@ static void qeth_l2_vnicc_init(struct qeth_card *card)
/* enforce assumed default values and recover settings, if changed */
error |= qeth_l2_vnicc_recover_timeout(card, QETH_VNICC_LEARNING,
timeout);
chars_tmp = card->options.vnicc.wanted_chars ^ QETH_VNICC_DEFAULT;
chars_tmp |= QETH_VNICC_BRIDGE_INVISIBLE;
/* Change chars, if necessary */
chars_tmp = card->options.vnicc.wanted_chars ^
card->options.vnicc.cur_chars;
chars_len = sizeof(card->options.vnicc.wanted_chars) * BITS_PER_BYTE;
for_each_set_bit(i, &chars_tmp, chars_len) {
vnicc = BIT(i);

2
drivers/s390/net/qeth_l3_main.c
View File

@ -1183,12 +1183,12 @@ static void qeth_l3_stop_card(struct qeth_card *card)
card->state = CARD_STATE_HARDSETUP;
}
if (card->state == CARD_STATE_HARDSETUP) {
qeth_qdio_clear_card(card, 0);
qeth_drain_output_queues(card);
qeth_clear_working_pool_list(card);
card->state = CARD_STATE_DOWN;
}
qeth_qdio_clear_card(card, 0);
flush_workqueue(card->event_wq);
card->info.promisc_mode = 0;
}

40
drivers/s390/net/qeth_l3_sys.c
View File

@ -242,21 +242,33 @@ static ssize_t qeth_l3_dev_hsuid_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct qeth_card *card = dev_get_drvdata(dev);
int rc = 0;
char *tmp;
int rc;
if (!IS_IQD(card))
return -EPERM;
if (card->state != CARD_STATE_DOWN)
return -EPERM;
if (card->options.sniffer)
return -EPERM;
if (card->options.cq == QETH_CQ_NOTAVAILABLE)
return -EPERM;
mutex_lock(&card->conf_mutex);
if (card->state != CARD_STATE_DOWN) {
rc = -EPERM;
goto out;
}
if (card->options.sniffer) {
rc = -EPERM;
goto out;
}
if (card->options.cq == QETH_CQ_NOTAVAILABLE) {
rc = -EPERM;
goto out;
}
tmp = strsep((char **)&buf, "\n");
if (strlen(tmp) > 8)
return -EINVAL;
if (strlen(tmp) > 8) {
rc = -EINVAL;
goto out;
}
if (card->options.hsuid[0])
/* delete old ip address */
@ -267,11 +279,13 @@ static ssize_t qeth_l3_dev_hsuid_store(struct device *dev,
card->options.hsuid[0] = '\0';
memcpy(card->dev->perm_addr, card->options.hsuid, 9);
qeth_configure_cq(card, QETH_CQ_DISABLED);
return count;
goto out;
}
if (qeth_configure_cq(card, QETH_CQ_ENABLED))
return -EPERM;
if (qeth_configure_cq(card, QETH_CQ_ENABLED)) {
rc = -EPERM;
goto out;
}
snprintf(card->options.hsuid, sizeof(card->options.hsuid),
"%-8s", tmp);
@ -280,6 +294,8 @@ static ssize_t qeth_l3_dev_hsuid_store(struct device *dev,
rc = qeth_l3_modify_hsuid(card, true);
out:
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}

3
drivers/scsi/cxgbi/libcxgbi.c
View File

@ -121,7 +121,8 @@ static inline void cxgbi_device_destroy(struct cxgbi_device *cdev)
"cdev 0x%p, p# %u.\n", cdev, cdev->nports);
cxgbi_hbas_remove(cdev);
cxgbi_device_portmap_cleanup(cdev);
cxgbi_ppm_release(cdev->cdev2ppm(cdev));
if (cdev->cdev2ppm)
cxgbi_ppm_release(cdev->cdev2ppm(cdev));
if (cdev->pmap.max_connect)
cxgbi_free_big_mem(cdev->pmap.port_csk);
kfree(cdev);

3
drivers/scsi/lpfc/lpfc_debugfs.c
View File

@ -5385,7 +5385,6 @@ static const struct file_operations lpfc_debugfs_ras_log = {
.read = lpfc_debugfs_read,
.release = lpfc_debugfs_ras_log_release,
};
#endif
#undef lpfc_debugfs_op_dumpHBASlim
static const struct file_operations lpfc_debugfs_op_dumpHBASlim = {
@ -5557,7 +5556,7 @@ static const struct file_operations lpfc_idiag_op_extAcc = {
.write = lpfc_idiag_extacc_write,
.release = lpfc_idiag_cmd_release,
};
#endif
/* lpfc_idiag_mbxacc_dump_bsg_mbox - idiag debugfs dump bsg mailbox command
* @phba: Pointer to HBA context object.

2
drivers/scsi/lpfc/lpfc_init.c
View File

@ -5883,7 +5883,7 @@ void lpfc_sli4_async_event_proc(struct lpfc_hba *phba)
break;
default:
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"1804 Invalid asynchrous event code: "
"1804 Invalid asynchronous event code: "
"x%x\n", bf_get(lpfc_trailer_code,
&cq_event->cqe.mcqe_cmpl));
break;

10
drivers/scsi/lpfc/lpfc_sli.c
View File

@ -8555,7 +8555,7 @@ lpfc_sli4_async_mbox_unblock(struct lpfc_hba *phba)
psli->sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK;
spin_unlock_irq(&phba->hbalock);
/* wake up worker thread to post asynchronlous mailbox command */
/* wake up worker thread to post asynchronous mailbox command */
lpfc_worker_wake_up(phba);
}
@ -8823,7 +8823,7 @@ lpfc_sli_issue_mbox_s4(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq,
return rc;
}
/* Now, interrupt mode asynchrous mailbox command */
/* Now, interrupt mode asynchronous mailbox command */
rc = lpfc_mbox_cmd_check(phba, mboxq);
if (rc) {
lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
@ -13112,11 +13112,11 @@ lpfc_cq_event_setup(struct lpfc_hba *phba, void *entry, int size)
}
/**
* lpfc_sli4_sp_handle_async_event - Handle an asynchroous event
* lpfc_sli4_sp_handle_async_event - Handle an asynchronous event
* @phba: Pointer to HBA context object.
* @cqe: Pointer to mailbox completion queue entry.
*
* This routine process a mailbox completion queue entry with asynchrous
* This routine process a mailbox completion queue entry with asynchronous
* event.
*
* Return: true if work posted to worker thread, otherwise false.
@ -13270,7 +13270,7 @@ out_no_mqe_complete:
* @cqe: Pointer to mailbox completion queue entry.
*
* This routine process a mailbox completion queue entry, it invokes the
* proper mailbox complete handling or asynchrous event handling routine
* proper mailbox complete handling or asynchronous event handling routine
* according to the MCQE's async bit.
*
* Return: true if work posted to worker thread, otherwise false.

1
drivers/scsi/mpt3sas/mpt3sas_base.c
View File

@ -5248,7 +5248,6 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc)
&ct->chain_buffer_dma);
if (!ct->chain_buffer) {
ioc_err(ioc, "chain_lookup: pci_pool_alloc failed\n");
_base_release_memory_pools(ioc);
goto out;
}
}

4
drivers/target/target_core_iblock.c
View File

@ -646,7 +646,9 @@ iblock_alloc_bip(struct se_cmd *cmd, struct bio *bio,
}
bip->bip_iter.bi_size = bio_integrity_bytes(bi, bio_sectors(bio));
bip_set_seed(bip, bio->bi_iter.bi_sector);
/* virtual start sector must be in integrity interval units */
bip_set_seed(bip, bio->bi_iter.bi_sector >>
(bi->interval_exp - SECTOR_SHIFT));
pr_debug("IBLOCK BIP Size: %u Sector: %llu\n", bip->bip_iter.bi_size,
(unsigned long long)bip->bip_iter.bi_sector);

1
fs/cifs/cifsglob.h
View File

@ -1693,6 +1693,7 @@ struct cifs_fattr {
struct timespec64 cf_atime;
struct timespec64 cf_mtime;
struct timespec64 cf_ctime;
u32 cf_cifstag;
};
static inline void free_dfs_info_param(struct dfs_info3_param *param)

63
fs/cifs/readdir.c
View File

@ -139,6 +139,28 @@ retry:
dput(dentry);
}
static bool reparse_file_needs_reval(const struct cifs_fattr *fattr)
{
if (!(fattr->cf_cifsattrs & ATTR_REPARSE))
return false;
/*
* The DFS tags should be only intepreted by server side as per
* MS-FSCC 2.1.2.1, but let's include them anyway.
*
* Besides, if cf_cifstag is unset (0), then we still need it to be
* revalidated to know exactly what reparse point it is.
*/
switch (fattr->cf_cifstag) {
case IO_REPARSE_TAG_DFS:
case IO_REPARSE_TAG_DFSR:
case IO_REPARSE_TAG_SYMLINK:
case IO_REPARSE_TAG_NFS:
case 0:
return true;
}
return false;
}
static void
cifs_fill_common_info(struct cifs_fattr *fattr, struct cifs_sb_info *cifs_sb)
{
@ -158,7 +180,7 @@ cifs_fill_common_info(struct cifs_fattr *fattr, struct cifs_sb_info *cifs_sb)
* is a symbolic link, DFS referral or a reparse point with a direct
* access like junctions, deduplicated files, NFS symlinks.
*/
if (fattr->cf_cifsattrs & ATTR_REPARSE)
if (reparse_file_needs_reval(fattr))
fattr->cf_flags |= CIFS_FATTR_NEED_REVAL;
/* non-unix readdir doesn't provide nlink */
@ -194,19 +216,37 @@ cifs_fill_common_info(struct cifs_fattr *fattr, struct cifs_sb_info *cifs_sb)
}
}
static void __dir_info_to_fattr(struct cifs_fattr *fattr, const void *info)
{
const FILE_DIRECTORY_INFO *fi = info;
memset(fattr, 0, sizeof(*fattr));
fattr->cf_cifsattrs = le32_to_cpu(fi->ExtFileAttributes);
fattr->cf_eof = le64_to_cpu(fi->EndOfFile);
fattr->cf_bytes = le64_to_cpu(fi->AllocationSize);
fattr->cf_createtime = le64_to_cpu(fi->CreationTime);
fattr->cf_atime = cifs_NTtimeToUnix(fi->LastAccessTime);
fattr->cf_ctime = cifs_NTtimeToUnix(fi->ChangeTime);
fattr->cf_mtime = cifs_NTtimeToUnix(fi->LastWriteTime);
}
void
cifs_dir_info_to_fattr(struct cifs_fattr *fattr, FILE_DIRECTORY_INFO *info,
struct cifs_sb_info *cifs_sb)
{
memset(fattr, 0, sizeof(*fattr));
fattr->cf_cifsattrs = le32_to_cpu(info->ExtFileAttributes);
fattr->cf_eof = le64_to_cpu(info->EndOfFile);
fattr->cf_bytes = le64_to_cpu(info->AllocationSize);
fattr->cf_createtime = le64_to_cpu(info->CreationTime);
fattr->cf_atime = cifs_NTtimeToUnix(info->LastAccessTime);
fattr->cf_ctime = cifs_NTtimeToUnix(info->ChangeTime);
fattr->cf_mtime = cifs_NTtimeToUnix(info->LastWriteTime);
__dir_info_to_fattr(fattr, info);
cifs_fill_common_info(fattr, cifs_sb);
}
static void cifs_fulldir_info_to_fattr(struct cifs_fattr *fattr,
SEARCH_ID_FULL_DIR_INFO *info,
struct cifs_sb_info *cifs_sb)
{
__dir_info_to_fattr(fattr, info);
/* See MS-FSCC 2.4.18 FileIdFullDirectoryInformation */
if (fattr->cf_cifsattrs & ATTR_REPARSE)
fattr->cf_cifstag = le32_to_cpu(info->EaSize);
cifs_fill_common_info(fattr, cifs_sb);
}
@ -755,6 +795,11 @@ static int cifs_filldir(char *find_entry, struct file *file,
(FIND_FILE_STANDARD_INFO *)find_entry,
cifs_sb);
break;
case SMB_FIND_FILE_ID_FULL_DIR_INFO:
cifs_fulldir_info_to_fattr(&fattr,
(SEARCH_ID_FULL_DIR_INFO *)find_entry,
cifs_sb);
break;
default:
cifs_dir_info_to_fattr(&fattr,
(FILE_DIRECTORY_INFO *)find_entry,

2
fs/cifs/smb2file.c
View File

@ -67,7 +67,7 @@ smb2_open_file(const unsigned int xid, struct cifs_open_parms *oparms,
goto out;
if (oparms->tcon->use_resilient) {
if (oparms->tcon->use_resilient) {
/* default timeout is 0, servers pick default (120 seconds) */
nr_ioctl_req.Timeout =
cpu_to_le32(oparms->tcon->handle_timeout);

2
fs/drop_caches.c
View File

@ -35,11 +35,11 @@ static void drop_pagecache_sb(struct super_block *sb, void *unused)
spin_unlock(&inode->i_lock);
spin_unlock(&sb->s_inode_list_lock);
cond_resched();
invalidate_mapping_pages(inode->i_mapping, 0, -1);
iput(toput_inode);
toput_inode = inode;
cond_resched();
spin_lock(&sb->s_inode_list_lock);
}
spin_unlock(&sb->s_inode_list_lock);

7
fs/inode.c
View File

@ -676,6 +676,7 @@ int invalidate_inodes(struct super_block *sb, bool kill_dirty)
struct inode *inode, *next;
LIST_HEAD(dispose);
again:
spin_lock(&sb->s_inode_list_lock);
list_for_each_entry_safe(inode, next, &sb->s_inodes, i_sb_list) {
spin_lock(&inode->i_lock);
@ -698,6 +699,12 @@ int invalidate_inodes(struct super_block *sb, bool kill_dirty)
inode_lru_list_del(inode);
spin_unlock(&inode->i_lock);
list_add(&inode->i_lru, &dispose);
if (need_resched()) {
spin_unlock(&sb->s_inode_list_lock);
cond_resched();
dispose_list(&dispose);
goto again;
}
}
spin_unlock(&sb->s_inode_list_lock);

10
fs/io-wq.c
View File

@ -92,7 +92,6 @@ struct io_wqe {
struct io_wqe_acct acct[2];
struct hlist_nulls_head free_list;
struct hlist_nulls_head busy_list;
struct list_head all_list;
struct io_wq *wq;
@ -327,7 +326,6 @@ static void __io_worker_busy(struct io_wqe *wqe, struct io_worker *worker,
if (worker->flags & IO_WORKER_F_FREE) {
worker->flags &= ~IO_WORKER_F_FREE;
hlist_nulls_del_init_rcu(&worker->nulls_node);
hlist_nulls_add_head_rcu(&worker->nulls_node, &wqe->busy_list);
}
/*
@ -365,7 +363,6 @@ static bool __io_worker_idle(struct io_wqe *wqe, struct io_worker *worker)
{
if (!(worker->flags & IO_WORKER_F_FREE)) {
worker->flags |= IO_WORKER_F_FREE;
hlist_nulls_del_init_rcu(&worker->nulls_node);
hlist_nulls_add_head_rcu(&worker->nulls_node, &wqe->free_list);
}
@ -432,6 +429,8 @@ next:
if (signal_pending(current))
flush_signals(current);
cond_resched();
spin_lock_irq(&worker->lock);
worker->cur_work = work;
spin_unlock_irq(&worker->lock);
@ -798,10 +797,6 @@ void io_wq_cancel_all(struct io_wq *wq)
set_bit(IO_WQ_BIT_CANCEL, &wq->state);
/*
* Browse both lists, as there's a gap between handing work off
* to a worker and the worker putting itself on the busy_list
*/
rcu_read_lock();
for_each_node(node) {
struct io_wqe *wqe = wq->wqes[node];
@ -1049,7 +1044,6 @@ struct io_wq *io_wq_create(unsigned bounded, struct io_wq_data *data)
spin_lock_init(&wqe->lock);
INIT_WQ_LIST(&wqe->work_list);
INIT_HLIST_NULLS_HEAD(&wqe->free_list, 0);
INIT_HLIST_NULLS_HEAD(&wqe->busy_list, 1);
INIT_LIST_HEAD(&wqe->all_list);
}

690
fs/io_uring.c
View File

File diff suppressed because it is too large Load Diff

2
fs/locks.c
View File

@ -2853,7 +2853,7 @@ static void lock_get_status(struct seq_file *f, struct file_lock *fl,
}
if (inode) {
/* userspace relies on this representation of dev_t */
seq_printf(f, "%d %02x:%02x:%ld ", fl_pid,
seq_printf(f, "%d %02x:%02x:%lu ", fl_pid,
MAJOR(inode->i_sb->s_dev),
MINOR(inode->i_sb->s_dev), inode->i_ino);
} else {

4
fs/notify/fsnotify.c
View File

@ -57,6 +57,9 @@ static void fsnotify_unmount_inodes(struct super_block *sb)
* doing an __iget/iput with SB_ACTIVE clear would actually
* evict all inodes with zero i_count from icache which is
* unnecessarily violent and may in fact be illegal to do.
* However, we should have been called /after/ evict_inodes
* removed all zero refcount inodes, in any case. Test to
* be sure.
*/
if (!atomic_read(&inode->i_count)) {
spin_unlock(&inode->i_lock);
@ -77,6 +80,7 @@ static void fsnotify_unmount_inodes(struct super_block *sb)
iput_inode = inode;
cond_resched();
spin_lock(&sb->s_inode_list_lock);
}
spin_unlock(&sb->s_inode_list_lock);

1
fs/quota/dquot.c
View File

@ -984,6 +984,7 @@ static int add_dquot_ref(struct super_block *sb, int type)
* later.
*/
old_inode = inode;
cond_resched();
spin_lock(&sb->s_inode_list_lock);
}
spin_unlock(&sb->s_inode_list_lock);

4
fs/super.c
View File

@ -448,10 +448,12 @@ void generic_shutdown_super(struct super_block *sb)
sync_filesystem(sb);
sb->s_flags &= ~SB_ACTIVE;
fsnotify_sb_delete(sb);
cgroup_writeback_umount();
/* evict all inodes with zero refcount */
evict_inodes(sb);
/* only nonzero refcount inodes can have marks */
fsnotify_sb_delete(sb);
if (sb->s_dio_done_wq) {
destroy_workqueue(sb->s_dio_done_wq);

2
include/linux/ahci_platform.h
View File

@ -19,6 +19,8 @@ struct ahci_host_priv;
struct platform_device;
struct scsi_host_template;
int ahci_platform_enable_phys(struct ahci_host_priv *hpriv);
void ahci_platform_disable_phys(struct ahci_host_priv *hpriv);
int ahci_platform_enable_clks(struct ahci_host_priv *hpriv);
void ahci_platform_disable_clks(struct ahci_host_priv *hpriv);
int ahci_platform_enable_regulators(struct ahci_host_priv *hpriv);

1
include/linux/libata.h
View File

@ -1175,6 +1175,7 @@ extern unsigned int ata_do_dev_read_id(struct ata_device *dev,
struct ata_taskfile *tf, u16 *id);
extern void ata_qc_complete(struct ata_queued_cmd *qc);
extern int ata_qc_complete_multiple(struct ata_port *ap, u64 qc_active);
extern u64 ata_qc_get_active(struct ata_port *ap);
extern void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd);
extern int ata_std_bios_param(struct scsi_device *sdev,
struct block_device *bdev,

2
include/linux/of_mdio.h
View File

@ -55,7 +55,7 @@ static inline int of_mdio_parse_addr(struct device *dev,
}
#else /* CONFIG_OF_MDIO */
static bool of_mdiobus_child_is_phy(struct device_node *child)
static inline bool of_mdiobus_child_is_phy(struct device_node *child)
{
return false;
}

19
include/linux/posix-clock.h
View File

@ -69,29 +69,32 @@ struct posix_clock_operations {
*
* @ops: Functional interface to the clock
* @cdev: Character device instance for this clock
* @kref: Reference count.
* @dev: Pointer to the clock's device.
* @rwsem: Protects the 'zombie' field from concurrent access.
* @zombie: If 'zombie' is true, then the hardware has disappeared.
* @release: A function to free the structure when the reference count reaches
* zero. May be NULL if structure is statically allocated.
*
* Drivers should embed their struct posix_clock within a private
* structure, obtaining a reference to it during callbacks using
* container_of().
*
* Drivers should supply an initialized but not exposed struct device
* to posix_clock_register(). It is used to manage lifetime of the
* driver's private structure. It's 'release' field should be set to
* a release function for this private structure.
*/
struct posix_clock {
struct posix_clock_operations ops;
struct cdev cdev;
struct kref kref;
struct device *dev;
struct rw_semaphore rwsem;
bool zombie;
void (*release)(struct posix_clock *clk);
};
/**
* posix_clock_register() - register a new clock
* @clk: Pointer to the clock. Caller must provide 'ops' and 'release'
* @devid: Allocated device id
* @clk: Pointer to the clock. Caller must provide 'ops' field
* @dev: Pointer to the initialized device. Caller must provide
* 'release' field
*
* A clock driver calls this function to register itself with the
* clock device subsystem. If 'clk' points to dynamically allocated
@ -100,7 +103,7 @@ struct posix_clock {
*
* Returns zero on success, non-zero otherwise.
*/
int posix_clock_register(struct posix_clock *clk, dev_t devid);
int posix_clock_register(struct posix_clock *clk, struct device *dev);
/**
* posix_clock_unregister() - unregister a clock

13
include/net/dst.h
View File

@ -516,7 +516,16 @@ static inline void skb_dst_update_pmtu(struct sk_buff *skb, u32 mtu)
struct dst_entry *dst = skb_dst(skb);
if (dst && dst->ops->update_pmtu)
dst->ops->update_pmtu(dst, NULL, skb, mtu);
dst->ops->update_pmtu(dst, NULL, skb, mtu, true);
}
/* update dst pmtu but not do neighbor confirm */
static inline void skb_dst_update_pmtu_no_confirm(struct sk_buff *skb, u32 mtu)
{
struct dst_entry *dst = skb_dst(skb);
if (dst && dst->ops->update_pmtu)
dst->ops->update_pmtu(dst, NULL, skb, mtu, false);
}
static inline void skb_tunnel_check_pmtu(struct sk_buff *skb,
@ -526,7 +535,7 @@ static inline void skb_tunnel_check_pmtu(struct sk_buff *skb,
u32 encap_mtu = dst_mtu(encap_dst);
if (skb->len > encap_mtu - headroom)
skb_dst_update_pmtu(skb, encap_mtu - headroom);
skb_dst_update_pmtu_no_confirm(skb, encap_mtu - headroom);
}
#endif /* _NET_DST_H */

3
include/net/dst_ops.h
View File

@ -27,7 +27,8 @@ struct dst_ops {
struct dst_entry * (*negative_advice)(struct dst_entry *);
void (*link_failure)(struct sk_buff *);
void (*update_pmtu)(struct dst_entry *dst, struct sock *sk,
struct sk_buff *skb, u32 mtu);
struct sk_buff *skb, u32 mtu,
bool confirm_neigh);
void (*redirect)(struct dst_entry *dst, struct sock *sk,
struct sk_buff *skb);
int (*local_out)(struct net *net, struct sock *sk, struct sk_buff *skb);

5
include/net/sch_generic.h
View File

@ -308,6 +308,7 @@ struct tcf_proto_ops {
int (*delete)(struct tcf_proto *tp, void *arg,
bool *last, bool rtnl_held,
struct netlink_ext_ack *);
bool (*delete_empty)(struct tcf_proto *tp);
void (*walk)(struct tcf_proto *tp,
struct tcf_walker *arg, bool rtnl_held);
int (*reoffload)(struct tcf_proto *tp, bool add,
@ -336,6 +337,10 @@ struct tcf_proto_ops {
int flags;
};
/* Classifiers setting TCF_PROTO_OPS_DOIT_UNLOCKED in tcf_proto_ops->flags
* are expected to implement tcf_proto_ops->delete_empty(), otherwise race
* conditions can occur when filters are inserted/deleted simultaneously.
*/
enum tcf_proto_ops_flags {
TCF_PROTO_OPS_DOIT_UNLOCKED = 1,
};

43
kernel/bpf/verifier.c
View File

@ -907,7 +907,8 @@ static const int caller_saved[CALLER_SAVED_REGS] = {
BPF_REG_0, BPF_REG_1, BPF_REG_2, BPF_REG_3, BPF_REG_4, BPF_REG_5
};
static void __mark_reg_not_init(struct bpf_reg_state *reg);
static void __mark_reg_not_init(const struct bpf_verifier_env *env,
struct bpf_reg_state *reg);
/* Mark the unknown part of a register (variable offset or scalar value) as
* known to have the value @imm.
@ -945,7 +946,7 @@ static void mark_reg_known_zero(struct bpf_verifier_env *env,
verbose(env, "mark_reg_known_zero(regs, %u)\n", regno);
/* Something bad happened, let's kill all regs */
for (regno = 0; regno < MAX_BPF_REG; regno++)
__mark_reg_not_init(regs + regno);
__mark_reg_not_init(env, regs + regno);
return;
}
__mark_reg_known_zero(regs + regno);
@ -1054,7 +1055,8 @@ static void __mark_reg_unbounded(struct bpf_reg_state *reg)
}
/* Mark a register as having a completely unknown (scalar) value. */
static void __mark_reg_unknown(struct bpf_reg_state *reg)
static void __mark_reg_unknown(const struct bpf_verifier_env *env,
struct bpf_reg_state *reg)
{
/*
* Clear type, id, off, and union(map_ptr, range) and
@ -1064,6 +1066,8 @@ static void __mark_reg_unknown(struct bpf_reg_state *reg)
reg->type = SCALAR_VALUE;
reg->var_off = tnum_unknown;
reg->frameno = 0;
reg->precise = env->subprog_cnt > 1 || !env->allow_ptr_leaks ?
true : false;
__mark_reg_unbounded(reg);
}
@ -1074,19 +1078,16 @@ static void mark_reg_unknown(struct bpf_verifier_env *env,
verbose(env, "mark_reg_unknown(regs, %u)\n", regno);
/* Something bad happened, let's kill all regs except FP */
for (regno = 0; regno < BPF_REG_FP; regno++)
__mark_reg_not_init(regs + regno);
__mark_reg_not_init(env, regs + regno);
return;
}
regs += regno;
__mark_reg_unknown(regs);
/* constant backtracking is enabled for root without bpf2bpf calls */
regs->precise = env->subprog_cnt > 1 || !env->allow_ptr_leaks ?
true : false;
__mark_reg_unknown(env, regs + regno);
}
static void __mark_reg_not_init(struct bpf_reg_state *reg)
static void __mark_reg_not_init(const struct bpf_verifier_env *env,
struct bpf_reg_state *reg)
{
__mark_reg_unknown(reg);
__mark_reg_unknown(env, reg);
reg->type = NOT_INIT;
}
@ -1097,10 +1098,10 @@ static void mark_reg_not_init(struct bpf_verifier_env *env,
verbose(env, "mark_reg_not_init(regs, %u)\n", regno);
/* Something bad happened, let's kill all regs except FP */
for (regno = 0; regno < BPF_REG_FP; regno++)
__mark_reg_not_init(regs + regno);
__mark_reg_not_init(env, regs + regno);
return;
}
__mark_reg_not_init(regs + regno);
__mark_reg_not_init(env, regs + regno);
}
#define DEF_NOT_SUBREG (0)
@ -3234,7 +3235,7 @@ static int check_stack_boundary(struct bpf_verifier_env *env, int regno,
}
if (state->stack[spi].slot_type[0] == STACK_SPILL &&
state->stack[spi].spilled_ptr.type == SCALAR_VALUE) {
__mark_reg_unknown(&state->stack[spi].spilled_ptr);
__mark_reg_unknown(env, &state->stack[spi].spilled_ptr);
for (j = 0; j < BPF_REG_SIZE; j++)
state->stack[spi].slot_type[j] = STACK_MISC;
goto mark;
@ -3892,7 +3893,7 @@ static void __clear_all_pkt_pointers(struct bpf_verifier_env *env,
if (!reg)
continue;
if (reg_is_pkt_pointer_any(reg))
__mark_reg_unknown(reg);
__mark_reg_unknown(env, reg);
}
}
@ -3920,7 +3921,7 @@ static void release_reg_references(struct bpf_verifier_env *env,
if (!reg)
continue;
if (reg->ref_obj_id == ref_obj_id)
__mark_reg_unknown(reg);
__mark_reg_unknown(env, reg);
}
}
@ -4582,7 +4583,7 @@ static int adjust_ptr_min_max_vals(struct bpf_verifier_env *env,
/* Taint dst register if offset had invalid bounds derived from
* e.g. dead branches.
*/
__mark_reg_unknown(dst_reg);
__mark_reg_unknown(env, dst_reg);
return 0;
}
@ -4834,13 +4835,13 @@ static int adjust_scalar_min_max_vals(struct bpf_verifier_env *env,
/* Taint dst register if offset had invalid bounds derived from
* e.g. dead branches.
*/
__mark_reg_unknown(dst_reg);
__mark_reg_unknown(env, dst_reg);
return 0;
}
if (!src_known &&
opcode != BPF_ADD && opcode != BPF_SUB && opcode != BPF_AND) {
__mark_reg_unknown(dst_reg);
__mark_reg_unknown(env, dst_reg);
return 0;
}
@ -6982,7 +6983,7 @@ static void clean_func_state(struct bpf_verifier_env *env,
/* since the register is unused, clear its state
* to make further comparison simpler
*/
__mark_reg_not_init(&st->regs[i]);
__mark_reg_not_init(env, &st->regs[i]);
}
for (i = 0; i < st->allocated_stack / BPF_REG_SIZE; i++) {
@ -6990,7 +6991,7 @@ static void clean_func_state(struct bpf_verifier_env *env,
/* liveness must not touch this stack slot anymore */
st->stack[i].spilled_ptr.live |= REG_LIVE_DONE;
if (!(live & REG_LIVE_READ)) {
__mark_reg_not_init(&st->stack[i].spilled_ptr);
__mark_reg_not_init(env, &st->stack[i].spilled_ptr);
for (j = 0; j < BPF_REG_SIZE; j++)
st->stack[i].slot_type[j] = STACK_INVALID;
}

31
kernel/time/posix-clock.c
View File

@ -14,8 +14,6 @@
#include "posix-timers.h"
static void delete_clock(struct kref *kref);
/*
* Returns NULL if the posix_clock instance attached to 'fp' is old and stale.
*/
@ -125,7 +123,7 @@ static int posix_clock_open(struct inode *inode, struct file *fp)
err = 0;
if (!err) {
kref_get(&clk->kref);
get_device(clk->dev);
fp->private_data = clk;
}
out:
@ -141,7 +139,7 @@ static int posix_clock_release(struct inode *inode, struct file *fp)
if (clk->ops.release)
err = clk->ops.release(clk);
kref_put(&clk->kref, delete_clock);
put_device(clk->dev);
fp->private_data = NULL;
@ -161,38 +159,35 @@ static const struct file_operations posix_clock_file_operations = {
#endif
};
int posix_clock_register(struct posix_clock *clk, dev_t devid)
int posix_clock_register(struct posix_clock *clk, struct device *dev)
{
int err;
kref_init(&clk->kref);
init_rwsem(&clk->rwsem);
cdev_init(&clk->cdev, &posix_clock_file_operations);
err = cdev_device_add(&clk->cdev, dev);
if (err) {
pr_err("%s unable to add device %d:%d\n",
dev_name(dev), MAJOR(dev->devt), MINOR(dev->devt));
return err;
}
clk->cdev.owner = clk->ops.owner;
err = cdev_add(&clk->cdev, devid, 1);
clk->dev = dev;
return err;
return 0;
}
EXPORT_SYMBOL_GPL(posix_clock_register);
static void delete_clock(struct kref *kref)
{
struct posix_clock *clk = container_of(kref, struct posix_clock, kref);
if (clk->release)
clk->release(clk);
}
void posix_clock_unregister(struct posix_clock *clk)
{
cdev_del(&clk->cdev);
cdev_device_del(&clk->cdev, clk->dev);
down_write(&clk->rwsem);
clk->zombie = true;
up_write(&clk->rwsem);
kref_put(&clk->kref, delete_clock);
put_device(clk->dev);
}
EXPORT_SYMBOL_GPL(posix_clock_unregister);

3
lib/iov_iter.c
View File

@ -1222,11 +1222,12 @@ EXPORT_SYMBOL(iov_iter_discard);
unsigned long iov_iter_alignment(const struct iov_iter *i)
{
unsigned int p_mask = i->pipe->ring_size - 1;
unsigned long res = 0;
size_t size = i->count;
if (unlikely(iov_iter_is_pipe(i))) {
unsigned int p_mask = i->pipe->ring_size - 1;
if (size && i->iov_offset && allocated(&i->pipe->bufs[i->head & p_mask]))
return size | i->iov_offset;
return size;

3
net/bridge/br_nf_core.c
View File

@ -22,7 +22,8 @@
#endif
static void fake_update_pmtu(struct dst_entry *dst, struct sock *sk,
struct sk_buff *skb, u32 mtu)
struct sk_buff *skb, u32 mtu,
bool confirm_neigh)
{
}

35
net/bridge/netfilter/ebtables.c
View File

@ -1867,7 +1867,7 @@ static int ebt_buf_count(struct ebt_entries_buf_state *state, unsigned int sz)
}
static int ebt_buf_add(struct ebt_entries_buf_state *state,
void *data, unsigned int sz)
const void *data, unsigned int sz)
{
if (state->buf_kern_start == NULL)
goto count_only;
@ -1901,7 +1901,7 @@ enum compat_mwt {
EBT_COMPAT_TARGET,
};
static int compat_mtw_from_user(struct compat_ebt_entry_mwt *mwt,
static int compat_mtw_from_user(const struct compat_ebt_entry_mwt *mwt,
enum compat_mwt compat_mwt,
struct ebt_entries_buf_state *state,
const unsigned char *base)
@ -1979,22 +1979,23 @@ static int compat_mtw_from_user(struct compat_ebt_entry_mwt *mwt,
/* return size of all matches, watchers or target, including necessary
* alignment and padding.
*/
static int ebt_size_mwt(struct compat_ebt_entry_mwt *match32,
static int ebt_size_mwt(const struct compat_ebt_entry_mwt *match32,
unsigned int size_left, enum compat_mwt type,
struct ebt_entries_buf_state *state, const void *base)
{
const char *buf = (const char *)match32;
int growth = 0;
char *buf;
if (size_left == 0)
return 0;
buf = (char *) match32;
while (size_left >= sizeof(*match32)) {
do {
struct ebt_entry_match *match_kern;
int ret;
if (size_left < sizeof(*match32))
return -EINVAL;
match_kern = (struct ebt_entry_match *) state->buf_kern_start;
if (match_kern) {
char *tmp;
@ -2031,22 +2032,18 @@ static int ebt_size_mwt(struct compat_ebt_entry_mwt *match32,
if (match_kern)
match_kern->match_size = ret;
/* rule should have no remaining data after target */
if (type == EBT_COMPAT_TARGET && size_left)
return -EINVAL;
match32 = (struct compat_ebt_entry_mwt *) buf;
}
} while (size_left);
return growth;
}
/* called for all ebt_entry structures. */
static int size_entry_mwt(struct ebt_entry *entry, const unsigned char *base,
static int size_entry_mwt(const struct ebt_entry *entry, const unsigned char *base,
unsigned int *total,
struct ebt_entries_buf_state *state)
{
unsigned int i, j, startoff, new_offset = 0;
unsigned int i, j, startoff, next_expected_off, new_offset = 0;
/* stores match/watchers/targets & offset of next struct ebt_entry: */
unsigned int offsets[4];
unsigned int *offsets_update = NULL;
@ -2132,11 +2129,13 @@ static int size_entry_mwt(struct ebt_entry *entry, const unsigned char *base,
return ret;
}
startoff = state->buf_user_offset - startoff;
if (WARN_ON(*total < startoff))
next_expected_off = state->buf_user_offset - startoff;
if (next_expected_off != entry->next_offset)
return -EINVAL;
*total -= startoff;
if (*total < entry->next_offset)
return -EINVAL;
*total -= entry->next_offset;
return 0;
}

6
net/decnet/dn_route.c
View File

@ -110,7 +110,8 @@ static void dn_dst_ifdown(struct dst_entry *, struct net_device *dev, int how);
static struct dst_entry *dn_dst_negative_advice(struct dst_entry *);
static void dn_dst_link_failure(struct sk_buff *);
static void dn_dst_update_pmtu(struct dst_entry *dst, struct sock *sk,
struct sk_buff *skb , u32 mtu);
struct sk_buff *skb , u32 mtu,
bool confirm_neigh);
static void dn_dst_redirect(struct dst_entry *dst, struct sock *sk,
struct sk_buff *skb);
static struct neighbour *dn_dst_neigh_lookup(const struct dst_entry *dst,
@ -251,7 +252,8 @@ static int dn_dst_gc(struct dst_ops *ops)
* advertise to the other end).
*/
static void dn_dst_update_pmtu(struct dst_entry *dst, struct sock *sk,
struct sk_buff *skb, u32 mtu)
struct sk_buff *skb, u32 mtu,
bool confirm_neigh)
{
struct dn_route *rt = (struct dn_route *) dst;
struct neighbour *n = rt->n;

52
net/hsr/hsr_debugfs.c
View File

@ -20,6 +20,8 @@
#include "hsr_main.h"
#include "hsr_framereg.h"
static struct dentry *hsr_debugfs_root_dir;
static void print_mac_address(struct seq_file *sfp, unsigned char *mac)
{
seq_printf(sfp, "%02x:%02x:%02x:%02x:%02x:%02x:",
@ -63,8 +65,20 @@ hsr_node_table_open(struct inode *inode, struct file *filp)
return single_open(filp, hsr_node_table_show, inode->i_private);
}
void hsr_debugfs_rename(struct net_device *dev)
{
struct hsr_priv *priv = netdev_priv(dev);
struct dentry *d;
d = debugfs_rename(hsr_debugfs_root_dir, priv->node_tbl_root,
hsr_debugfs_root_dir, dev->name);
if (IS_ERR(d))
netdev_warn(dev, "failed to rename\n");
else
priv->node_tbl_root = d;
}
static const struct file_operations hsr_fops = {
.owner = THIS_MODULE,
.open = hsr_node_table_open,
.read = seq_read,
.llseek = seq_lseek,
@ -78,15 +92,14 @@ static const struct file_operations hsr_fops = {
* When debugfs is configured this routine sets up the node_table file per
* hsr device for dumping the node_table entries
*/
int hsr_debugfs_init(struct hsr_priv *priv, struct net_device *hsr_dev)
void hsr_debugfs_init(struct hsr_priv *priv, struct net_device *hsr_dev)
{
int rc = -1;
struct dentry *de = NULL;
de = debugfs_create_dir(hsr_dev->name, NULL);
if (!de) {
pr_err("Cannot create hsr debugfs root\n");
return rc;
de = debugfs_create_dir(hsr_dev->name, hsr_debugfs_root_dir);
if (IS_ERR(de)) {
pr_err("Cannot create hsr debugfs directory\n");
return;
}
priv->node_tbl_root = de;
@ -94,13 +107,13 @@ int hsr_debugfs_init(struct hsr_priv *priv, struct net_device *hsr_dev)
de = debugfs_create_file("node_table", S_IFREG | 0444,
priv->node_tbl_root, priv,
&hsr_fops);
if (!de) {
pr_err("Cannot create hsr node_table directory\n");
return rc;
if (IS_ERR(de)) {
pr_err("Cannot create hsr node_table file\n");
debugfs_remove(priv->node_tbl_root);
priv->node_tbl_root = NULL;
return;
}
priv->node_tbl_file = de;
return 0;
}
/* hsr_debugfs_term - Tear down debugfs intrastructure
@ -117,3 +130,18 @@ hsr_debugfs_term(struct hsr_priv *priv)
debugfs_remove(priv->node_tbl_root);
priv->node_tbl_root = NULL;
}
void hsr_debugfs_create_root(void)
{
hsr_debugfs_root_dir = debugfs_create_dir("hsr", NULL);
if (IS_ERR(hsr_debugfs_root_dir)) {
pr_err("Cannot create hsr debugfs root directory\n");
hsr_debugfs_root_dir = NULL;
}
}
void hsr_debugfs_remove_root(void)
{
/* debugfs_remove() internally checks NULL and ERROR */
debugfs_remove(hsr_debugfs_root_dir);
}

28
net/hsr/hsr_device.c
View File

@ -272,6 +272,8 @@ static void send_hsr_supervision_frame(struct hsr_port *master,
skb->dev->dev_addr, skb->len) <= 0)
goto out;
skb_reset_mac_header(skb);
skb_reset_network_header(skb);
skb_reset_transport_header(skb);
if (hsr_ver > 0) {
hsr_tag = skb_put(skb, sizeof(struct hsr_tag));
@ -368,7 +370,7 @@ static void hsr_dev_destroy(struct net_device *hsr_dev)
del_timer_sync(&hsr->prune_timer);
del_timer_sync(&hsr->announce_timer);
hsr_del_self_node(&hsr->self_node_db);
hsr_del_self_node(hsr);
hsr_del_nodes(&hsr->node_db);
}
@ -440,11 +442,12 @@ int hsr_dev_finalize(struct net_device *hsr_dev, struct net_device *slave[2],
INIT_LIST_HEAD(&hsr->ports);
INIT_LIST_HEAD(&hsr->node_db);
INIT_LIST_HEAD(&hsr->self_node_db);
spin_lock_init(&hsr->list_lock);
ether_addr_copy(hsr_dev->dev_addr, slave[0]->dev_addr);
/* Make sure we recognize frames from ourselves in hsr_rcv() */
res = hsr_create_self_node(&hsr->self_node_db, hsr_dev->dev_addr,
res = hsr_create_self_node(hsr, hsr_dev->dev_addr,
slave[1]->dev_addr);
if (res < 0)
return res;
@ -477,31 +480,32 @@ int hsr_dev_finalize(struct net_device *hsr_dev, struct net_device *slave[2],
res = hsr_add_port(hsr, hsr_dev, HSR_PT_MASTER);
if (res)
goto err_add_port;
goto err_add_master;
res = register_netdevice(hsr_dev);
if (res)
goto fail;
goto err_unregister;
res = hsr_add_port(hsr, slave[0], HSR_PT_SLAVE_A);
if (res)
goto fail;
goto err_add_slaves;
res = hsr_add_port(hsr, slave[1], HSR_PT_SLAVE_B);
if (res)
goto fail;
goto err_add_slaves;
hsr_debugfs_init(hsr, hsr_dev);
mod_timer(&hsr->prune_timer, jiffies + msecs_to_jiffies(PRUNE_PERIOD));
res = hsr_debugfs_init(hsr, hsr_dev);
if (res)
goto fail;
return 0;
fail:
err_add_slaves:
unregister_netdevice(hsr_dev);
err_unregister:
list_for_each_entry_safe(port, tmp, &hsr->ports, port_list)
hsr_del_port(port);
err_add_port:
hsr_del_self_node(&hsr->self_node_db);
err_add_master:
hsr_del_self_node(hsr);
return res;
}

73
net/hsr/hsr_framereg.c
View File

@ -75,10 +75,11 @@ static struct hsr_node *find_node_by_addr_A(struct list_head *node_db,
/* Helper for device init; the self_node_db is used in hsr_rcv() to recognize
* frames from self that's been looped over the HSR ring.
*/
int hsr_create_self_node(struct list_head *self_node_db,
int hsr_create_self_node(struct hsr_priv *hsr,
unsigned char addr_a[ETH_ALEN],
unsigned char addr_b[ETH_ALEN])
{
struct list_head *self_node_db = &hsr->self_node_db;
struct hsr_node *node, *oldnode;
node = kmalloc(sizeof(*node), GFP_KERNEL);
@ -88,33 +89,33 @@ int hsr_create_self_node(struct list_head *self_node_db,
ether_addr_copy(node->macaddress_A, addr_a);
ether_addr_copy(node->macaddress_B, addr_b);
rcu_read_lock();
spin_lock_bh(&hsr->list_lock);
oldnode = list_first_or_null_rcu(self_node_db,
struct hsr_node, mac_list);
if (oldnode) {
list_replace_rcu(&oldnode->mac_list, &node->mac_list);
rcu_read_unlock();
synchronize_rcu();
kfree(oldnode);
spin_unlock_bh(&hsr->list_lock);
kfree_rcu(oldnode, rcu_head);
} else {
rcu_read_unlock();
list_add_tail_rcu(&node->mac_list, self_node_db);
spin_unlock_bh(&hsr->list_lock);
}
return 0;
}
void hsr_del_self_node(struct list_head *self_node_db)
void hsr_del_self_node(struct hsr_priv *hsr)
{
struct list_head *self_node_db = &hsr->self_node_db;
struct hsr_node *node;
rcu_read_lock();
spin_lock_bh(&hsr->list_lock);
node = list_first_or_null_rcu(self_node_db, struct hsr_node, mac_list);
rcu_read_unlock();
if (node) {
list_del_rcu(&node->mac_list);
kfree(node);
kfree_rcu(node, rcu_head);
}
spin_unlock_bh(&hsr->list_lock);
}
void hsr_del_nodes(struct list_head *node_db)
@ -130,30 +131,43 @@ void hsr_del_nodes(struct list_head *node_db)
* seq_out is used to initialize filtering of outgoing duplicate frames
* originating from the newly added node.
*/
struct hsr_node *hsr_add_node(struct list_head *node_db, unsigned char addr[],
u16 seq_out)
static struct hsr_node *hsr_add_node(struct hsr_priv *hsr,
struct list_head *node_db,
unsigned char addr[],
u16 seq_out)
{
struct hsr_node *node;
struct hsr_node *new_node, *node;
unsigned long now;
int i;
node = kzalloc(sizeof(*node), GFP_ATOMIC);
if (!node)
new_node = kzalloc(sizeof(*new_node), GFP_ATOMIC);
if (!new_node)
return NULL;
ether_addr_copy(node->macaddress_A, addr);
ether_addr_copy(new_node->macaddress_A, addr);
/* We are only interested in time diffs here, so use current jiffies
* as initialization. (0 could trigger an spurious ring error warning).
*/
now = jiffies;
for (i = 0; i < HSR_PT_PORTS; i++)
node->time_in[i] = now;
new_node->time_in[i] = now;
for (i = 0; i < HSR_PT_PORTS; i++)
node->seq_out[i] = seq_out;
list_add_tail_rcu(&node->mac_list, node_db);
new_node->seq_out[i] = seq_out;
spin_lock_bh(&hsr->list_lock);
list_for_each_entry_rcu(node, node_db, mac_list) {
if (ether_addr_equal(node->macaddress_A, addr))
goto out;
if (ether_addr_equal(node->macaddress_B, addr))
goto out;
}
list_add_tail_rcu(&new_node->mac_list, node_db);
spin_unlock_bh(&hsr->list_lock);
return new_node;
out:
spin_unlock_bh(&hsr->list_lock);
kfree(new_node);
return node;
}
@ -163,6 +177,7 @@ struct hsr_node *hsr_get_node(struct hsr_port *port, struct sk_buff *skb,
bool is_sup)
{
struct list_head *node_db = &port->hsr->node_db;
struct hsr_priv *hsr = port->hsr;
struct hsr_node *node;
struct ethhdr *ethhdr;
u16 seq_out;
@ -196,7 +211,7 @@ struct hsr_node *hsr_get_node(struct hsr_port *port, struct sk_buff *skb,
seq_out = HSR_SEQNR_START;
}
return hsr_add_node(node_db, ethhdr->h_source, seq_out);
return hsr_add_node(hsr, node_db, ethhdr->h_source, seq_out);
}
/* Use the Supervision frame's info about an eventual macaddress_B for merging
@ -206,10 +221,11 @@ struct hsr_node *hsr_get_node(struct hsr_port *port, struct sk_buff *skb,
void hsr_handle_sup_frame(struct sk_buff *skb, struct hsr_node *node_curr,
struct hsr_port *port_rcv)
{
struct ethhdr *ethhdr;
struct hsr_node *node_real;
struct hsr_priv *hsr = port_rcv->hsr;
struct hsr_sup_payload *hsr_sp;
struct hsr_node *node_real;
struct list_head *node_db;
struct ethhdr *ethhdr;
int i;
ethhdr = (struct ethhdr *)skb_mac_header(skb);
@ -231,7 +247,7 @@ void hsr_handle_sup_frame(struct sk_buff *skb, struct hsr_node *node_curr,
node_real = find_node_by_addr_A(node_db, hsr_sp->macaddress_A);
if (!node_real)
/* No frame received from AddrA of this node yet */
node_real = hsr_add_node(node_db, hsr_sp->macaddress_A,
node_real = hsr_add_node(hsr, node_db, hsr_sp->macaddress_A,
HSR_SEQNR_START - 1);
if (!node_real)
goto done; /* No mem */
@ -252,7 +268,9 @@ void hsr_handle_sup_frame(struct sk_buff *skb, struct hsr_node *node_curr,
}
node_real->addr_B_port = port_rcv->type;
spin_lock_bh(&hsr->list_lock);
list_del_rcu(&node_curr->mac_list);
spin_unlock_bh(&hsr->list_lock);
kfree_rcu(node_curr, rcu_head);
done:
@ -368,12 +386,13 @@ void hsr_prune_nodes(struct timer_list *t)
{
struct hsr_priv *hsr = from_timer(hsr, t, prune_timer);
struct hsr_node *node;
struct hsr_node *tmp;
struct hsr_port *port;
unsigned long timestamp;
unsigned long time_a, time_b;
rcu_read_lock();
list_for_each_entry_rcu(node, &hsr->node_db, mac_list) {
spin_lock_bh(&hsr->list_lock);
list_for_each_entry_safe(node, tmp, &hsr->node_db, mac_list) {
/* Don't prune own node. Neither time_in[HSR_PT_SLAVE_A]
* nor time_in[HSR_PT_SLAVE_B], will ever be updated for
* the master port. Thus the master node will be repeatedly
@ -421,7 +440,7 @@ void hsr_prune_nodes(struct timer_list *t)
kfree_rcu(node, rcu_head);
}
}
rcu_read_unlock();
spin_unlock_bh(&hsr->list_lock);
/* Restart timer */
mod_timer(&hsr->prune_timer,

6
net/hsr/hsr_framereg.h
View File

@ -12,10 +12,8 @@
struct hsr_node;
void hsr_del_self_node(struct list_head *self_node_db);
void hsr_del_self_node(struct hsr_priv *hsr);
void hsr_del_nodes(struct list_head *node_db);
struct hsr_node *hsr_add_node(struct list_head *node_db, unsigned char addr[],
u16 seq_out);
struct hsr_node *hsr_get_node(struct hsr_port *port, struct sk_buff *skb,
bool is_sup);
void hsr_handle_sup_frame(struct sk_buff *skb, struct hsr_node *node_curr,
@ -33,7 +31,7 @@ int hsr_register_frame_out(struct hsr_port *port, struct hsr_node *node,
void hsr_prune_nodes(struct timer_list *t);
int hsr_create_self_node(struct list_head *self_node_db,
int hsr_create_self_node(struct hsr_priv *hsr,
unsigned char addr_a[ETH_ALEN],
unsigned char addr_b[ETH_ALEN]);

7
net/hsr/hsr_main.c
View File

@ -45,6 +45,10 @@ static int hsr_netdev_notify(struct notifier_block *nb, unsigned long event,
case NETDEV_CHANGE: /* Link (carrier) state changes */
hsr_check_carrier_and_operstate(hsr);
break;
case NETDEV_CHANGENAME:
if (is_hsr_master(dev))
hsr_debugfs_rename(dev);
break;
case NETDEV_CHANGEADDR:
if (port->type == HSR_PT_MASTER) {
/* This should not happen since there's no
@ -64,7 +68,7 @@ static int hsr_netdev_notify(struct notifier_block *nb, unsigned long event,
/* Make sure we recognize frames from ourselves in hsr_rcv() */
port = hsr_port_get_hsr(hsr, HSR_PT_SLAVE_B);
res = hsr_create_self_node(&hsr->self_node_db,
res = hsr_create_self_node(hsr,
master->dev->dev_addr,
port ?
port->dev->dev_addr :
@ -123,6 +127,7 @@ static void __exit hsr_exit(void)
{
unregister_netdevice_notifier(&hsr_nb);
hsr_netlink_exit();
hsr_debugfs_remove_root();
}
module_init(hsr_init);

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