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Message-Id: <161858878420571@kroah.com>
Date: Fri, 16 Apr 2021 17:59:44 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, jslaby@...e.cz,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: Linux 4.14.231
diff --git a/Makefile b/Makefile
index 09989cdd5cab..cee830aea284 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 14
-SUBLEVEL = 230
+SUBLEVEL = 231
EXTRAVERSION =
NAME = Petit Gorille
diff --git a/arch/arm/boot/dts/armada-385-turris-omnia.dts b/arch/arm/boot/dts/armada-385-turris-omnia.dts
index 06831e1e3f80..6c2d96cbd7cd 100644
--- a/arch/arm/boot/dts/armada-385-turris-omnia.dts
+++ b/arch/arm/boot/dts/armada-385-turris-omnia.dts
@@ -269,6 +269,7 @@
status = "okay";
compatible = "ethernet-phy-id0141.0DD1", "ethernet-phy-ieee802.3-c22";
reg = <1>;
+ marvell,reg-init = <3 18 0 0x4985>;
/* irq is connected to &pcawan pin 7 */
};
diff --git a/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi b/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi
index 25b0704c6054..d2c31eae9fef 100644
--- a/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi
@@ -423,6 +423,7 @@
pinctrl-0 = <&pinctrl_usdhc2>;
cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
wp-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
+ vmmc-supply = <&vdd_sd1_reg>;
status = "disabled";
};
@@ -432,5 +433,6 @@
&pinctrl_usdhc3_cdwp>;
cd-gpios = <&gpio1 27 GPIO_ACTIVE_LOW>;
wp-gpios = <&gpio1 29 GPIO_ACTIVE_HIGH>;
+ vmmc-supply = <&vdd_sd0_reg>;
status = "disabled";
};
diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h
index f88611e241f0..72ed11292df3 100644
--- a/arch/arm64/include/asm/kvm_arm.h
+++ b/arch/arm64/include/asm/kvm_arm.h
@@ -191,6 +191,7 @@
#define CPTR_EL2_DEFAULT 0x000033ff
/* Hyp Debug Configuration Register bits */
+#define MDCR_EL2_TTRF (1 << 19)
#define MDCR_EL2_TPMS (1 << 14)
#define MDCR_EL2_E2PB_MASK (UL(0x3))
#define MDCR_EL2_E2PB_SHIFT (UL(12))
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 174aa12fb8b1..1481e18aa5ca 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -230,7 +230,6 @@ static const struct arm64_ftr_bits ftr_id_aa64dfr0[] = {
* of support.
*/
S_ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_EXACT, ID_AA64DFR0_PMUVER_SHIFT, 4, 0),
- ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_EXACT, ID_AA64DFR0_TRACEVER_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_EXACT, ID_AA64DFR0_DEBUGVER_SHIFT, 4, 0x6),
ARM64_FTR_END,
};
diff --git a/arch/arm64/kvm/debug.c b/arch/arm64/kvm/debug.c
index dbadfaf850a7..2da4f45ab0bb 100644
--- a/arch/arm64/kvm/debug.c
+++ b/arch/arm64/kvm/debug.c
@@ -96,6 +96,7 @@ void kvm_arm_reset_debug_ptr(struct kvm_vcpu *vcpu)
* - Debug ROM Address (MDCR_EL2_TDRA)
* - OS related registers (MDCR_EL2_TDOSA)
* - Statistical profiler (MDCR_EL2_TPMS/MDCR_EL2_E2PB)
+ * - Self-hosted Trace Filter controls (MDCR_EL2_TTRF)
*
* Additionally, KVM only traps guest accesses to the debug registers if
* the guest is not actively using them (see the KVM_ARM64_DEBUG_DIRTY
@@ -118,6 +119,7 @@ void kvm_arm_setup_debug(struct kvm_vcpu *vcpu)
vcpu->arch.mdcr_el2 = __this_cpu_read(mdcr_el2) & MDCR_EL2_HPMN_MASK;
vcpu->arch.mdcr_el2 |= (MDCR_EL2_TPM |
MDCR_EL2_TPMS |
+ MDCR_EL2_TTRF |
MDCR_EL2_TPMCR |
MDCR_EL2_TDRA |
MDCR_EL2_TDOSA);
diff --git a/arch/ia64/include/asm/ptrace.h b/arch/ia64/include/asm/ptrace.h
index 7ff574d56429..f31e07fc936d 100644
--- a/arch/ia64/include/asm/ptrace.h
+++ b/arch/ia64/include/asm/ptrace.h
@@ -54,8 +54,7 @@
static inline unsigned long user_stack_pointer(struct pt_regs *regs)
{
- /* FIXME: should this be bspstore + nr_dirty regs? */
- return regs->ar_bspstore;
+ return regs->r12;
}
static inline int is_syscall_success(struct pt_regs *regs)
@@ -79,11 +78,6 @@ static inline long regs_return_value(struct pt_regs *regs)
unsigned long __ip = instruction_pointer(regs); \
(__ip & ~3UL) + ((__ip & 3UL) << 2); \
})
-/*
- * Why not default? Because user_stack_pointer() on ia64 gives register
- * stack backing store instead...
- */
-#define current_user_stack_pointer() (current_pt_regs()->r12)
/* given a pointer to a task_struct, return the user's pt_regs */
# define task_pt_regs(t) (((struct pt_regs *) ((char *) (t) + IA64_STK_OFFSET)) - 1)
diff --git a/arch/parisc/include/asm/cmpxchg.h b/arch/parisc/include/asm/cmpxchg.h
index 068958575871..a736dc59bbef 100644
--- a/arch/parisc/include/asm/cmpxchg.h
+++ b/arch/parisc/include/asm/cmpxchg.h
@@ -72,7 +72,7 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new_, int size)
#endif
case 4: return __cmpxchg_u32((unsigned int *)ptr,
(unsigned int)old, (unsigned int)new_);
- case 1: return __cmpxchg_u8((u8 *)ptr, (u8)old, (u8)new_);
+ case 1: return __cmpxchg_u8((u8 *)ptr, old & 0xff, new_ & 0xff);
}
__cmpxchg_called_with_bad_pointer();
return old;
diff --git a/arch/s390/kernel/cpcmd.c b/arch/s390/kernel/cpcmd.c
index af013b4244d3..2da027359798 100644
--- a/arch/s390/kernel/cpcmd.c
+++ b/arch/s390/kernel/cpcmd.c
@@ -37,10 +37,12 @@ static int diag8_noresponse(int cmdlen)
static int diag8_response(int cmdlen, char *response, int *rlen)
{
+ unsigned long _cmdlen = cmdlen | 0x40000000L;
+ unsigned long _rlen = *rlen;
register unsigned long reg2 asm ("2") = (addr_t) cpcmd_buf;
register unsigned long reg3 asm ("3") = (addr_t) response;
- register unsigned long reg4 asm ("4") = cmdlen | 0x40000000L;
- register unsigned long reg5 asm ("5") = *rlen;
+ register unsigned long reg4 asm ("4") = _cmdlen;
+ register unsigned long reg5 asm ("5") = _rlen;
asm volatile(
" diag %2,%0,0x8\n"
diff --git a/block/bio.c b/block/bio.c
index 1384f9790882..30df1b45dde8 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -312,7 +312,7 @@ static struct bio *__bio_chain_endio(struct bio *bio)
{
struct bio *parent = bio->bi_private;
- if (!parent->bi_status)
+ if (bio->bi_status && !parent->bi_status)
parent->bi_status = bio->bi_status;
bio_put(bio);
return parent;
diff --git a/drivers/char/agp/Kconfig b/drivers/char/agp/Kconfig
index 6231714ef3c8..cee9e42ce547 100644
--- a/drivers/char/agp/Kconfig
+++ b/drivers/char/agp/Kconfig
@@ -125,7 +125,7 @@ config AGP_HP_ZX1
config AGP_PARISC
tristate "HP Quicksilver AGP support"
- depends on AGP && PARISC && 64BIT
+ depends on AGP && PARISC && 64BIT && IOMMU_SBA
help
This option gives you AGP GART support for the HP Quicksilver
AGP bus adapter on HP PA-RISC machines (Ok, just on the C8000
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 4289c519af1b..971a9a5006af 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -3018,20 +3018,19 @@ int clk_notifier_register(struct clk *clk, struct notifier_block *nb)
/* search the list of notifiers for this clk */
list_for_each_entry(cn, &clk_notifier_list, node)
if (cn->clk == clk)
- break;
+ goto found;
/* if clk wasn't in the notifier list, allocate new clk_notifier */
- if (cn->clk != clk) {
- cn = kzalloc(sizeof(*cn), GFP_KERNEL);
- if (!cn)
- goto out;
+ cn = kzalloc(sizeof(*cn), GFP_KERNEL);
+ if (!cn)
+ goto out;
- cn->clk = clk;
- srcu_init_notifier_head(&cn->notifier_head);
+ cn->clk = clk;
+ srcu_init_notifier_head(&cn->notifier_head);
- list_add(&cn->node, &clk_notifier_list);
- }
+ list_add(&cn->node, &clk_notifier_list);
+found:
ret = srcu_notifier_chain_register(&cn->notifier_head, nb);
clk->core->notifier_count++;
@@ -3056,32 +3055,28 @@ EXPORT_SYMBOL_GPL(clk_notifier_register);
*/
int clk_notifier_unregister(struct clk *clk, struct notifier_block *nb)
{
- struct clk_notifier *cn = NULL;
- int ret = -EINVAL;
+ struct clk_notifier *cn;
+ int ret = -ENOENT;
if (!clk || !nb)
return -EINVAL;
clk_prepare_lock();
- list_for_each_entry(cn, &clk_notifier_list, node)
- if (cn->clk == clk)
- break;
-
- if (cn->clk == clk) {
- ret = srcu_notifier_chain_unregister(&cn->notifier_head, nb);
+ list_for_each_entry(cn, &clk_notifier_list, node) {
+ if (cn->clk == clk) {
+ ret = srcu_notifier_chain_unregister(&cn->notifier_head, nb);
- clk->core->notifier_count--;
+ clk->core->notifier_count--;
- /* XXX the notifier code should handle this better */
- if (!cn->notifier_head.head) {
- srcu_cleanup_notifier_head(&cn->notifier_head);
- list_del(&cn->node);
- kfree(cn);
+ /* XXX the notifier code should handle this better */
+ if (!cn->notifier_head.head) {
+ srcu_cleanup_notifier_head(&cn->notifier_head);
+ list_del(&cn->node);
+ kfree(cn);
+ }
+ break;
}
-
- } else {
- ret = -ENOENT;
}
clk_prepare_unlock();
diff --git a/drivers/clk/socfpga/clk-gate.c b/drivers/clk/socfpga/clk-gate.c
index aa7a6e6a15b6..14918896811d 100644
--- a/drivers/clk/socfpga/clk-gate.c
+++ b/drivers/clk/socfpga/clk-gate.c
@@ -107,7 +107,7 @@ static unsigned long socfpga_clk_recalc_rate(struct clk_hw *hwclk,
val = readl(socfpgaclk->div_reg) >> socfpgaclk->shift;
val &= GENMASK(socfpgaclk->width - 1, 0);
/* Check for GPIO_DB_CLK by its offset */
- if ((int) socfpgaclk->div_reg & SOCFPGA_GPIO_DB_CLK_OFFSET)
+ if ((uintptr_t) socfpgaclk->div_reg & SOCFPGA_GPIO_DB_CLK_OFFSET)
div = val + 1;
else
div = (1 << val);
diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
index d38648a7ef2d..d88ac6f2222a 100644
--- a/drivers/gpu/drm/imx/imx-ldb.c
+++ b/drivers/gpu/drm/imx/imx-ldb.c
@@ -206,6 +206,11 @@ static void imx_ldb_encoder_enable(struct drm_encoder *encoder)
int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN;
int mux = drm_of_encoder_active_port_id(imx_ldb_ch->child, encoder);
+ if (mux < 0 || mux >= ARRAY_SIZE(ldb->clk_sel)) {
+ dev_warn(ldb->dev, "%s: invalid mux %d\n", __func__, mux);
+ return;
+ }
+
drm_panel_prepare(imx_ldb_ch->panel);
if (dual) {
@@ -264,6 +269,11 @@ imx_ldb_encoder_atomic_mode_set(struct drm_encoder *encoder,
int mux = drm_of_encoder_active_port_id(imx_ldb_ch->child, encoder);
u32 bus_format = imx_ldb_ch->bus_format;
+ if (mux < 0 || mux >= ARRAY_SIZE(ldb->clk_sel)) {
+ dev_warn(ldb->dev, "%s: invalid mux %d\n", __func__, mux);
+ return;
+ }
+
if (mode->clock > 170000) {
dev_warn(ldb->dev,
"%s: mode exceeds 170 MHz pixel clock\n", __func__);
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index 9f2aa45560e6..39065a5d50fc 100644
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -262,13 +262,14 @@ EXPORT_SYMBOL_GPL(i2c_recover_bus);
static void i2c_init_recovery(struct i2c_adapter *adap)
{
struct i2c_bus_recovery_info *bri = adap->bus_recovery_info;
- char *err_str;
+ char *err_str, *err_level = KERN_ERR;
if (!bri)
return;
if (!bri->recover_bus) {
- err_str = "no recover_bus() found";
+ err_str = "no suitable method provided";
+ err_level = KERN_DEBUG;
goto err;
}
@@ -296,7 +297,7 @@ static void i2c_init_recovery(struct i2c_adapter *adap)
return;
err:
- dev_err(&adap->dev, "Not using recovery: %s\n", err_str);
+ dev_printk(err_level, &adap->dev, "Not using recovery: %s\n", err_str);
adap->bus_recovery_info = NULL;
}
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 72e2031993fb..2ea87fe1184d 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -3498,7 +3498,8 @@ int c4iw_destroy_listen(struct iw_cm_id *cm_id)
c4iw_init_wr_wait(&ep->com.wr_wait);
err = cxgb4_remove_server(
ep->com.dev->rdev.lldi.ports[0], ep->stid,
- ep->com.dev->rdev.lldi.rxq_ids[0], true);
+ ep->com.dev->rdev.lldi.rxq_ids[0],
+ ep->com.local_addr.ss_family == AF_INET6);
if (err)
goto done;
err = c4iw_wait_for_reply(&ep->com.dev->rdev, &ep->com.wr_wait,
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
index c9d86d50bf88..3c73eaae5388 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
@@ -882,7 +882,7 @@ static int peak_usb_create_dev(const struct peak_usb_adapter *peak_usb_adapter,
if (dev->adapter->dev_set_bus) {
err = dev->adapter->dev_set_bus(dev, 0);
if (err)
- goto lbl_unregister_candev;
+ goto adap_dev_free;
}
/* get device number early */
@@ -894,6 +894,10 @@ static int peak_usb_create_dev(const struct peak_usb_adapter *peak_usb_adapter,
return 0;
+adap_dev_free:
+ if (dev->adapter->dev_free)
+ dev->adapter->dev_free(dev);
+
lbl_unregister_candev:
unregister_candev(netdev);
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h
index 95d4b56448c6..cd0459b0055b 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe.h
+++ b/drivers/net/ethernet/amd/xgbe/xgbe.h
@@ -176,9 +176,9 @@
#define XGBE_DMA_SYS_AWCR 0x30303030
/* DMA cache settings - PCI device */
-#define XGBE_DMA_PCI_ARCR 0x00000003
-#define XGBE_DMA_PCI_AWCR 0x13131313
-#define XGBE_DMA_PCI_AWARCR 0x00000313
+#define XGBE_DMA_PCI_ARCR 0x000f0f0f
+#define XGBE_DMA_PCI_AWCR 0x0f0f0f0f
+#define XGBE_DMA_PCI_AWARCR 0x00000f0f
/* DMA channel interrupt modes */
#define XGBE_IRQ_MODE_EDGE 0
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index b3b7b98eb32c..c89a5a80c9c8 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -485,7 +485,11 @@ static struct net_device_stats *gfar_get_stats(struct net_device *dev)
static int gfar_set_mac_addr(struct net_device *dev, void *p)
{
- eth_mac_addr(dev, p);
+ int ret;
+
+ ret = eth_mac_addr(dev, p);
+ if (ret)
+ return ret;
gfar_set_mac_for_addr(dev, 0, dev->dev_addr);
diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c
index 8e2cbc88df98..2c4274453c15 100644
--- a/drivers/net/ieee802154/atusb.c
+++ b/drivers/net/ieee802154/atusb.c
@@ -346,6 +346,7 @@ static int atusb_alloc_urbs(struct atusb *atusb, int n)
return -ENOMEM;
}
usb_anchor_urb(urb, &atusb->idle_urbs);
+ usb_free_urb(urb);
n--;
}
return 0;
diff --git a/drivers/net/phy/bcm-phy-lib.c b/drivers/net/phy/bcm-phy-lib.c
index d5e0833d69b9..66e4ef8ed345 100644
--- a/drivers/net/phy/bcm-phy-lib.c
+++ b/drivers/net/phy/bcm-phy-lib.c
@@ -198,7 +198,7 @@ EXPORT_SYMBOL_GPL(bcm_phy_enable_apd);
int bcm_phy_set_eee(struct phy_device *phydev, bool enable)
{
- int val;
+ int val, mask = 0;
/* Enable EEE at PHY level */
val = phy_read_mmd(phydev, MDIO_MMD_AN, BRCM_CL45VEN_EEE_CONTROL);
@@ -217,10 +217,15 @@ int bcm_phy_set_eee(struct phy_device *phydev, bool enable)
if (val < 0)
return val;
+ if (phydev->supported & SUPPORTED_1000baseT_Full)
+ mask |= MDIO_EEE_1000T;
+ if (phydev->supported & SUPPORTED_100baseT_Full)
+ mask |= MDIO_EEE_100TX;
+
if (enable)
- val |= (MDIO_EEE_100TX | MDIO_EEE_1000T);
+ val |= mask;
else
- val &= ~(MDIO_EEE_100TX | MDIO_EEE_1000T);
+ val &= ~mask;
phy_write_mmd(phydev, MDIO_MMD_AN, BCM_CL45VEN_EEE_ADV, (u32)val);
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index abf9c9952b79..2bf58239bd4b 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -75,6 +75,14 @@
#include <linux/skb_array.h>
#include <linux/bpf.h>
#include <linux/bpf_trace.h>
+#include <linux/ieee802154.h>
+#include <linux/if_ltalk.h>
+#include <uapi/linux/if_fddi.h>
+#include <uapi/linux/if_hippi.h>
+#include <uapi/linux/if_fc.h>
+#include <net/ax25.h>
+#include <net/rose.h>
+#include <net/6lowpan.h>
#include <linux/uaccess.h>
@@ -2292,6 +2300,45 @@ static int tun_set_queue(struct file *file, struct ifreq *ifr)
return ret;
}
+/* Return correct value for tun->dev->addr_len based on tun->dev->type. */
+static unsigned char tun_get_addr_len(unsigned short type)
+{
+ switch (type) {
+ case ARPHRD_IP6GRE:
+ case ARPHRD_TUNNEL6:
+ return sizeof(struct in6_addr);
+ case ARPHRD_IPGRE:
+ case ARPHRD_TUNNEL:
+ case ARPHRD_SIT:
+ return 4;
+ case ARPHRD_ETHER:
+ return ETH_ALEN;
+ case ARPHRD_IEEE802154:
+ case ARPHRD_IEEE802154_MONITOR:
+ return IEEE802154_EXTENDED_ADDR_LEN;
+ case ARPHRD_PHONET_PIPE:
+ case ARPHRD_PPP:
+ case ARPHRD_NONE:
+ return 0;
+ case ARPHRD_6LOWPAN:
+ return EUI64_ADDR_LEN;
+ case ARPHRD_FDDI:
+ return FDDI_K_ALEN;
+ case ARPHRD_HIPPI:
+ return HIPPI_ALEN;
+ case ARPHRD_IEEE802:
+ return FC_ALEN;
+ case ARPHRD_ROSE:
+ return ROSE_ADDR_LEN;
+ case ARPHRD_NETROM:
+ return AX25_ADDR_LEN;
+ case ARPHRD_LOCALTLK:
+ return LTALK_ALEN;
+ default:
+ return 0;
+ }
+}
+
static long __tun_chr_ioctl(struct file *file, unsigned int cmd,
unsigned long arg, int ifreq_len)
{
@@ -2434,6 +2481,7 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd,
ret = -EBUSY;
} else {
tun->dev->type = (int) arg;
+ tun->dev->addr_len = tun_get_addr_len(tun->dev->type);
tun_debug(KERN_INFO, tun, "linktype set to %d\n",
tun->dev->type);
ret = 0;
diff --git a/drivers/regulator/bd9571mwv-regulator.c b/drivers/regulator/bd9571mwv-regulator.c
index c67a83d53c4c..167c05029f9e 100644
--- a/drivers/regulator/bd9571mwv-regulator.c
+++ b/drivers/regulator/bd9571mwv-regulator.c
@@ -119,7 +119,7 @@ static struct regulator_ops vid_ops = {
static struct regulator_desc regulators[] = {
BD9571MWV_REG("VD09", "vd09", VD09, avs_ops, 0, 0x7f,
- 0x80, 600000, 10000, 0x3c),
+ 0x6f, 600000, 10000, 0x3c),
BD9571MWV_REG("VD18", "vd18", VD18, vid_ops, BD9571MWV_VD18_VID, 0xf,
16, 1625000, 25000, 0),
BD9571MWV_REG("VD25", "vd25", VD25, vid_ops, BD9571MWV_VD25_VID, 0xf,
@@ -128,7 +128,7 @@ static struct regulator_desc regulators[] = {
11, 2800000, 100000, 0),
BD9571MWV_REG("DVFS", "dvfs", DVFS, reg_ops,
BD9571MWV_DVFS_MONIVDAC, 0x7f,
- 0x80, 600000, 10000, 0x3c),
+ 0x6f, 600000, 10000, 0x3c),
};
static int bd9571mwv_regulator_probe(struct platform_device *pdev)
diff --git a/drivers/soc/fsl/qbman/qman.c b/drivers/soc/fsl/qbman/qman.c
index 90892a360c61..06b6d7afc567 100644
--- a/drivers/soc/fsl/qbman/qman.c
+++ b/drivers/soc/fsl/qbman/qman.c
@@ -146,7 +146,7 @@ struct qm_eqcr_entry {
__be32 tag;
struct qm_fd fd;
u8 __reserved3[32];
-} __packed;
+} __packed __aligned(8);
#define QM_EQCR_VERB_VBIT 0x80
#define QM_EQCR_VERB_CMD_MASK 0x61 /* but only one value; */
#define QM_EQCR_VERB_CMD_ENQUEUE 0x01
diff --git a/drivers/usb/usbip/stub_dev.c b/drivers/usb/usbip/stub_dev.c
index c6be9923502b..1b3aad59d6c9 100644
--- a/drivers/usb/usbip/stub_dev.c
+++ b/drivers/usb/usbip/stub_dev.c
@@ -77,6 +77,7 @@ static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr,
dev_info(dev, "stub up\n");
+ mutex_lock(&sdev->ud.sysfs_lock);
spin_lock_irq(&sdev->ud.lock);
if (sdev->ud.status != SDEV_ST_AVAILABLE) {
@@ -101,13 +102,13 @@ static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr,
tcp_rx = kthread_create(stub_rx_loop, &sdev->ud, "stub_rx");
if (IS_ERR(tcp_rx)) {
sockfd_put(socket);
- return -EINVAL;
+ goto unlock_mutex;
}
tcp_tx = kthread_create(stub_tx_loop, &sdev->ud, "stub_tx");
if (IS_ERR(tcp_tx)) {
kthread_stop(tcp_rx);
sockfd_put(socket);
- return -EINVAL;
+ goto unlock_mutex;
}
/* get task structs now */
@@ -126,6 +127,8 @@ static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr,
wake_up_process(sdev->ud.tcp_rx);
wake_up_process(sdev->ud.tcp_tx);
+ mutex_unlock(&sdev->ud.sysfs_lock);
+
} else {
dev_info(dev, "stub down\n");
@@ -136,6 +139,7 @@ static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr,
spin_unlock_irq(&sdev->ud.lock);
usbip_event_add(&sdev->ud, SDEV_EVENT_DOWN);
+ mutex_unlock(&sdev->ud.sysfs_lock);
}
return count;
@@ -144,6 +148,8 @@ static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr,
sockfd_put(socket);
err:
spin_unlock_irq(&sdev->ud.lock);
+unlock_mutex:
+ mutex_unlock(&sdev->ud.sysfs_lock);
return -EINVAL;
}
static DEVICE_ATTR(usbip_sockfd, S_IWUSR, NULL, store_sockfd);
@@ -309,6 +315,7 @@ static struct stub_device *stub_device_alloc(struct usb_device *udev)
sdev->ud.side = USBIP_STUB;
sdev->ud.status = SDEV_ST_AVAILABLE;
spin_lock_init(&sdev->ud.lock);
+ mutex_init(&sdev->ud.sysfs_lock);
sdev->ud.tcp_socket = NULL;
sdev->ud.sockfd = -1;
diff --git a/drivers/usb/usbip/usbip_common.h b/drivers/usb/usbip/usbip_common.h
index 59097145cfc0..d740aa8a1231 100644
--- a/drivers/usb/usbip/usbip_common.h
+++ b/drivers/usb/usbip/usbip_common.h
@@ -277,6 +277,9 @@ struct usbip_device {
/* lock for status */
spinlock_t lock;
+ /* mutex for synchronizing sysfs store paths */
+ struct mutex sysfs_lock;
+
int sockfd;
struct socket *tcp_socket;
diff --git a/drivers/usb/usbip/usbip_event.c b/drivers/usb/usbip/usbip_event.c
index f8f7f3803a99..01eaae1f265b 100644
--- a/drivers/usb/usbip/usbip_event.c
+++ b/drivers/usb/usbip/usbip_event.c
@@ -84,6 +84,7 @@ static void event_handler(struct work_struct *work)
while ((ud = get_event()) != NULL) {
usbip_dbg_eh("pending event %lx\n", ud->event);
+ mutex_lock(&ud->sysfs_lock);
/*
* NOTE: shutdown must come first.
* Shutdown the device.
@@ -104,6 +105,7 @@ static void event_handler(struct work_struct *work)
ud->eh_ops.unusable(ud);
unset_event(ud, USBIP_EH_UNUSABLE);
}
+ mutex_unlock(&ud->sysfs_lock);
wake_up(&ud->eh_waitq);
}
diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c
index d87159e6c716..9833f307d70e 100644
--- a/drivers/usb/usbip/vhci_hcd.c
+++ b/drivers/usb/usbip/vhci_hcd.c
@@ -1115,6 +1115,7 @@ static void vhci_device_init(struct vhci_device *vdev)
vdev->ud.side = USBIP_VHCI;
vdev->ud.status = VDEV_ST_NULL;
spin_lock_init(&vdev->ud.lock);
+ mutex_init(&vdev->ud.sysfs_lock);
INIT_LIST_HEAD(&vdev->priv_rx);
INIT_LIST_HEAD(&vdev->priv_tx);
diff --git a/drivers/usb/usbip/vhci_sysfs.c b/drivers/usb/usbip/vhci_sysfs.c
index 4f0f65540888..aa329d752015 100644
--- a/drivers/usb/usbip/vhci_sysfs.c
+++ b/drivers/usb/usbip/vhci_sysfs.c
@@ -199,6 +199,8 @@ static int vhci_port_disconnect(struct vhci_hcd *vhci_hcd, __u32 rhport)
usbip_dbg_vhci_sysfs("enter\n");
+ mutex_lock(&vdev->ud.sysfs_lock);
+
/* lock */
spin_lock_irqsave(&vhci->lock, flags);
spin_lock(&vdev->ud.lock);
@@ -209,6 +211,7 @@ static int vhci_port_disconnect(struct vhci_hcd *vhci_hcd, __u32 rhport)
/* unlock */
spin_unlock(&vdev->ud.lock);
spin_unlock_irqrestore(&vhci->lock, flags);
+ mutex_unlock(&vdev->ud.sysfs_lock);
return -EINVAL;
}
@@ -219,6 +222,8 @@ static int vhci_port_disconnect(struct vhci_hcd *vhci_hcd, __u32 rhport)
usbip_event_add(&vdev->ud, VDEV_EVENT_DOWN);
+ mutex_unlock(&vdev->ud.sysfs_lock);
+
return 0;
}
@@ -363,30 +368,36 @@ static ssize_t store_attach(struct device *dev, struct device_attribute *attr,
else
vdev = &vhci->vhci_hcd_hs->vdev[rhport];
+ mutex_lock(&vdev->ud.sysfs_lock);
+
/* Extract socket from fd. */
socket = sockfd_lookup(sockfd, &err);
if (!socket) {
dev_err(dev, "failed to lookup sock");
- return -EINVAL;
+ err = -EINVAL;
+ goto unlock_mutex;
}
if (socket->type != SOCK_STREAM) {
dev_err(dev, "Expecting SOCK_STREAM - found %d",
socket->type);
sockfd_put(socket);
- return -EINVAL;
+ err = -EINVAL;
+ goto unlock_mutex;
}
/* create threads before locking */
tcp_rx = kthread_create(vhci_rx_loop, &vdev->ud, "vhci_rx");
if (IS_ERR(tcp_rx)) {
sockfd_put(socket);
- return -EINVAL;
+ err = -EINVAL;
+ goto unlock_mutex;
}
tcp_tx = kthread_create(vhci_tx_loop, &vdev->ud, "vhci_tx");
if (IS_ERR(tcp_tx)) {
kthread_stop(tcp_rx);
sockfd_put(socket);
- return -EINVAL;
+ err = -EINVAL;
+ goto unlock_mutex;
}
/* get task structs now */
@@ -411,7 +422,8 @@ static ssize_t store_attach(struct device *dev, struct device_attribute *attr,
* Will be retried from userspace
* if there's another free port.
*/
- return -EBUSY;
+ err = -EBUSY;
+ goto unlock_mutex;
}
dev_info(dev, "pdev(%u) rhport(%u) sockfd(%d)\n",
@@ -436,7 +448,15 @@ static ssize_t store_attach(struct device *dev, struct device_attribute *attr,
rh_port_connect(vdev, speed);
+ dev_info(dev, "Device attached\n");
+
+ mutex_unlock(&vdev->ud.sysfs_lock);
+
return count;
+
+unlock_mutex:
+ mutex_unlock(&vdev->ud.sysfs_lock);
+ return err;
}
static DEVICE_ATTR(attach, S_IWUSR, NULL, store_attach);
diff --git a/drivers/usb/usbip/vudc_sysfs.c b/drivers/usb/usbip/vudc_sysfs.c
index e3f7c76d1956..f44d98eeb36a 100644
--- a/drivers/usb/usbip/vudc_sysfs.c
+++ b/drivers/usb/usbip/vudc_sysfs.c
@@ -103,8 +103,9 @@ static ssize_t dev_desc_read(struct file *file, struct kobject *kobj,
}
static BIN_ATTR_RO(dev_desc, sizeof(struct usb_device_descriptor));
-static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr,
- const char *in, size_t count)
+static ssize_t store_sockfd(struct device *dev,
+ struct device_attribute *attr,
+ const char *in, size_t count)
{
struct vudc *udc = (struct vudc *) dev_get_drvdata(dev);
int rv;
@@ -113,6 +114,8 @@ static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr,
struct socket *socket;
unsigned long flags;
int ret;
+ struct task_struct *tcp_rx = NULL;
+ struct task_struct *tcp_tx = NULL;
rv = kstrtoint(in, 0, &sockfd);
if (rv != 0)
@@ -158,24 +161,47 @@ static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr,
goto sock_err;
}
- udc->ud.tcp_socket = socket;
-
+ /* unlock and create threads and get tasks */
spin_unlock_irq(&udc->ud.lock);
spin_unlock_irqrestore(&udc->lock, flags);
- udc->ud.tcp_rx = kthread_get_run(&v_rx_loop,
- &udc->ud, "vudc_rx");
- udc->ud.tcp_tx = kthread_get_run(&v_tx_loop,
- &udc->ud, "vudc_tx");
+ tcp_rx = kthread_create(&v_rx_loop, &udc->ud, "vudc_rx");
+ if (IS_ERR(tcp_rx)) {
+ sockfd_put(socket);
+ return -EINVAL;
+ }
+ tcp_tx = kthread_create(&v_tx_loop, &udc->ud, "vudc_tx");
+ if (IS_ERR(tcp_tx)) {
+ kthread_stop(tcp_rx);
+ sockfd_put(socket);
+ return -EINVAL;
+ }
+
+ /* get task structs now */
+ get_task_struct(tcp_rx);
+ get_task_struct(tcp_tx);
+ /* lock and update udc->ud state */
spin_lock_irqsave(&udc->lock, flags);
spin_lock_irq(&udc->ud.lock);
+
+ udc->ud.tcp_socket = socket;
+ udc->ud.tcp_rx = tcp_rx;
+ udc->ud.tcp_rx = tcp_tx;
udc->ud.status = SDEV_ST_USED;
+
spin_unlock_irq(&udc->ud.lock);
do_gettimeofday(&udc->start_time);
v_start_timer(udc);
udc->connected = 1;
+
+ spin_unlock_irqrestore(&udc->lock, flags);
+
+ wake_up_process(udc->ud.tcp_rx);
+ wake_up_process(udc->ud.tcp_tx);
+ return count;
+
} else {
if (!udc->connected) {
dev_err(dev, "Device not connected");
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index fae2a536acc6..b370144682ed 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -221,7 +221,7 @@ static int xen_irq_info_common_setup(struct irq_info *info,
info->evtchn = evtchn;
info->cpu = cpu;
info->mask_reason = EVT_MASK_REASON_EXPLICIT;
- spin_lock_init(&info->lock);
+ raw_spin_lock_init(&info->lock);
ret = set_evtchn_to_irq(evtchn, irq);
if (ret < 0)
@@ -373,28 +373,28 @@ static void do_mask(struct irq_info *info, u8 reason)
{
unsigned long flags;
- spin_lock_irqsave(&info->lock, flags);
+ raw_spin_lock_irqsave(&info->lock, flags);
if (!info->mask_reason)
mask_evtchn(info->evtchn);
info->mask_reason |= reason;
- spin_unlock_irqrestore(&info->lock, flags);
+ raw_spin_unlock_irqrestore(&info->lock, flags);
}
static void do_unmask(struct irq_info *info, u8 reason)
{
unsigned long flags;
- spin_lock_irqsave(&info->lock, flags);
+ raw_spin_lock_irqsave(&info->lock, flags);
info->mask_reason &= ~reason;
if (!info->mask_reason)
unmask_evtchn(info->evtchn);
- spin_unlock_irqrestore(&info->lock, flags);
+ raw_spin_unlock_irqrestore(&info->lock, flags);
}
#ifdef CONFIG_X86
@@ -1782,7 +1782,7 @@ static void lateeoi_ack_dynirq(struct irq_data *data)
if (VALID_EVTCHN(evtchn)) {
do_mask(info, EVT_MASK_REASON_EOI_PENDING);
- event_handler_exit(info);
+ ack_dynirq(data);
}
}
@@ -1793,7 +1793,7 @@ static void lateeoi_mask_ack_dynirq(struct irq_data *data)
if (VALID_EVTCHN(evtchn)) {
do_mask(info, EVT_MASK_REASON_EXPLICIT);
- event_handler_exit(info);
+ ack_dynirq(data);
}
}
diff --git a/drivers/xen/events/events_internal.h b/drivers/xen/events/events_internal.h
index 3df6f28b75e6..cc37b711491c 100644
--- a/drivers/xen/events/events_internal.h
+++ b/drivers/xen/events/events_internal.h
@@ -47,7 +47,7 @@ struct irq_info {
unsigned short eoi_cpu; /* EOI must happen on this cpu */
unsigned int irq_epoch; /* If eoi_cpu valid: irq_epoch of event */
u64 eoi_time; /* Time in jiffies when to EOI. */
- spinlock_t lock;
+ raw_spinlock_t lock;
union {
unsigned short virq;
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index e7c46368cf69..73be08ea135f 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -3607,7 +3607,6 @@ int cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
cifs_sb->prepath = kstrdup(pvolume_info->prepath, GFP_KERNEL);
if (cifs_sb->prepath == NULL)
return -ENOMEM;
- cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_USE_PREFIX_PATH;
}
return 0;
diff --git a/fs/direct-io.c b/fs/direct-io.c
index 30bf22c989de..8d9689aac5f4 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -857,6 +857,7 @@ submit_page_section(struct dio *dio, struct dio_submit *sdio, struct page *page,
struct buffer_head *map_bh)
{
int ret = 0;
+ int boundary = sdio->boundary; /* dio_send_cur_page may clear it */
if (dio->op == REQ_OP_WRITE) {
/*
@@ -895,10 +896,10 @@ submit_page_section(struct dio *dio, struct dio_submit *sdio, struct page *page,
sdio->cur_page_fs_offset = sdio->block_in_file << sdio->blkbits;
out:
/*
- * If sdio->boundary then we want to schedule the IO now to
+ * If boundary then we want to schedule the IO now to
* avoid metadata seeks.
*/
- if (sdio->boundary) {
+ if (boundary) {
ret = dio_send_cur_page(dio, sdio, map_bh);
if (sdio->bio)
dio_bio_submit(dio, sdio);
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index bcf95ec1bc31..56bfed0a5873 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -989,11 +989,13 @@ void gfs2_freeze_func(struct work_struct *work)
static int gfs2_freeze(struct super_block *sb)
{
struct gfs2_sbd *sdp = sb->s_fs_info;
- int error = 0;
+ int error;
mutex_lock(&sdp->sd_freeze_mutex);
- if (atomic_read(&sdp->sd_freeze_state) != SFS_UNFROZEN)
+ if (atomic_read(&sdp->sd_freeze_state) != SFS_UNFROZEN) {
+ error = -EBUSY;
goto out;
+ }
if (test_bit(SDF_SHUTDOWN, &sdp->sd_flags)) {
error = -EINVAL;
@@ -1035,10 +1037,10 @@ static int gfs2_unfreeze(struct super_block *sb)
struct gfs2_sbd *sdp = sb->s_fs_info;
mutex_lock(&sdp->sd_freeze_mutex);
- if (atomic_read(&sdp->sd_freeze_state) != SFS_FROZEN ||
+ if (atomic_read(&sdp->sd_freeze_state) != SFS_FROZEN ||
!gfs2_holder_initialized(&sdp->sd_freeze_gh)) {
mutex_unlock(&sdp->sd_freeze_mutex);
- return 0;
+ return -EINVAL;
}
gfs2_glock_dq_uninit(&sdp->sd_freeze_gh);
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 7de0c9562b70..ca2b575a1e46 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -2309,7 +2309,7 @@ static int ocfs2_dio_end_io_write(struct inode *inode,
struct ocfs2_alloc_context *meta_ac = NULL;
handle_t *handle = NULL;
loff_t end = offset + bytes;
- int ret = 0, credits = 0, locked = 0;
+ int ret = 0, credits = 0;
ocfs2_init_dealloc_ctxt(&dealloc);
@@ -2320,13 +2320,6 @@ static int ocfs2_dio_end_io_write(struct inode *inode,
!dwc->dw_orphaned)
goto out;
- /* ocfs2_file_write_iter will get i_mutex, so we need not lock if we
- * are in that context. */
- if (dwc->dw_writer_pid != task_pid_nr(current)) {
- inode_lock(inode);
- locked = 1;
- }
-
ret = ocfs2_inode_lock(inode, &di_bh, 1);
if (ret < 0) {
mlog_errno(ret);
@@ -2401,8 +2394,6 @@ static int ocfs2_dio_end_io_write(struct inode *inode,
if (meta_ac)
ocfs2_free_alloc_context(meta_ac);
ocfs2_run_deallocs(osb, &dealloc);
- if (locked)
- inode_unlock(inode);
ocfs2_dio_free_write_ctx(inode, dwc);
return ret;
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index dc455d45a66a..baf5c4028fd6 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -1250,22 +1250,24 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
goto bail_unlock;
}
}
+ down_write(&OCFS2_I(inode)->ip_alloc_sem);
handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS +
2 * ocfs2_quota_trans_credits(sb));
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
mlog_errno(status);
- goto bail_unlock;
+ goto bail_unlock_alloc;
}
status = __dquot_transfer(inode, transfer_to);
if (status < 0)
goto bail_commit;
} else {
+ down_write(&OCFS2_I(inode)->ip_alloc_sem);
handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
mlog_errno(status);
- goto bail_unlock;
+ goto bail_unlock_alloc;
}
}
@@ -1278,6 +1280,8 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
bail_commit:
ocfs2_commit_trans(osb, handle);
+bail_unlock_alloc:
+ up_write(&OCFS2_I(inode)->ip_alloc_sem);
bail_unlock:
if (status && inode_locked) {
ocfs2_inode_unlock_tracker(inode, 1, &oh, had_lock);
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 6ffa181598e6..c4b8602ea6f5 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -324,11 +324,11 @@ struct mlx5_ifc_flow_table_prop_layout_bits {
u8 reserved_at_60[0x18];
u8 log_max_ft_num[0x8];
- u8 reserved_at_80[0x18];
+ u8 reserved_at_80[0x10];
+ u8 log_max_flow_counter[0x8];
u8 log_max_destination[0x8];
- u8 log_max_flow_counter[0x8];
- u8 reserved_at_a8[0x10];
+ u8 reserved_at_a0[0x18];
u8 log_max_flow[0x8];
u8 reserved_at_c0[0x40];
diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h
index 3e26e5dd9546..48afea1b8b4e 100644
--- a/include/linux/virtio_net.h
+++ b/include/linux/virtio_net.h
@@ -62,6 +62,8 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb,
return -EINVAL;
}
+ skb_reset_mac_header(skb);
+
if (hdr->flags & VIRTIO_NET_HDR_F_NEEDS_CSUM) {
u16 start = __virtio16_to_cpu(little_endian, hdr->csum_start);
u16 off = __virtio16_to_cpu(little_endian, hdr->csum_offset);
diff --git a/include/net/red.h b/include/net/red.h
index 8fe55b8b2fb8..ff07a7cedf68 100644
--- a/include/net/red.h
+++ b/include/net/red.h
@@ -171,9 +171,9 @@ static inline void red_set_vars(struct red_vars *v)
static inline bool red_check_params(u32 qth_min, u32 qth_max, u8 Wlog,
u8 Scell_log, u8 *stab)
{
- if (fls(qth_min) + Wlog > 32)
+ if (fls(qth_min) + Wlog >= 32)
return false;
- if (fls(qth_max) + Wlog > 32)
+ if (fls(qth_max) + Wlog >= 32)
return false;
if (Scell_log >= 32)
return false;
diff --git a/include/uapi/linux/ncsi.h b/include/uapi/linux/ncsi.h
new file mode 100644
index 000000000000..4c292ecbb748
--- /dev/null
+++ b/include/uapi/linux/ncsi.h
@@ -0,0 +1,115 @@
+/*
+ * Copyright Samuel Mendoza-Jonas, IBM Corporation 2018.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __UAPI_NCSI_NETLINK_H__
+#define __UAPI_NCSI_NETLINK_H__
+
+/**
+ * enum ncsi_nl_commands - supported NCSI commands
+ *
+ * @NCSI_CMD_UNSPEC: unspecified command to catch errors
+ * @NCSI_CMD_PKG_INFO: list package and channel attributes. Requires
+ * NCSI_ATTR_IFINDEX. If NCSI_ATTR_PACKAGE_ID is specified returns the
+ * specific package and its channels - otherwise a dump request returns
+ * all packages and their associated channels.
+ * @NCSI_CMD_SET_INTERFACE: set preferred package and channel combination.
+ * Requires NCSI_ATTR_IFINDEX and the preferred NCSI_ATTR_PACKAGE_ID and
+ * optionally the preferred NCSI_ATTR_CHANNEL_ID.
+ * @NCSI_CMD_CLEAR_INTERFACE: clear any preferred package/channel combination.
+ * Requires NCSI_ATTR_IFINDEX.
+ * @NCSI_CMD_MAX: highest command number
+ */
+enum ncsi_nl_commands {
+ NCSI_CMD_UNSPEC,
+ NCSI_CMD_PKG_INFO,
+ NCSI_CMD_SET_INTERFACE,
+ NCSI_CMD_CLEAR_INTERFACE,
+
+ __NCSI_CMD_AFTER_LAST,
+ NCSI_CMD_MAX = __NCSI_CMD_AFTER_LAST - 1
+};
+
+/**
+ * enum ncsi_nl_attrs - General NCSI netlink attributes
+ *
+ * @NCSI_ATTR_UNSPEC: unspecified attributes to catch errors
+ * @NCSI_ATTR_IFINDEX: ifindex of network device using NCSI
+ * @NCSI_ATTR_PACKAGE_LIST: nested array of NCSI_PKG_ATTR attributes
+ * @NCSI_ATTR_PACKAGE_ID: package ID
+ * @NCSI_ATTR_CHANNEL_ID: channel ID
+ * @NCSI_ATTR_MAX: highest attribute number
+ */
+enum ncsi_nl_attrs {
+ NCSI_ATTR_UNSPEC,
+ NCSI_ATTR_IFINDEX,
+ NCSI_ATTR_PACKAGE_LIST,
+ NCSI_ATTR_PACKAGE_ID,
+ NCSI_ATTR_CHANNEL_ID,
+
+ __NCSI_ATTR_AFTER_LAST,
+ NCSI_ATTR_MAX = __NCSI_ATTR_AFTER_LAST - 1
+};
+
+/**
+ * enum ncsi_nl_pkg_attrs - NCSI netlink package-specific attributes
+ *
+ * @NCSI_PKG_ATTR_UNSPEC: unspecified attributes to catch errors
+ * @NCSI_PKG_ATTR: nested array of package attributes
+ * @NCSI_PKG_ATTR_ID: package ID
+ * @NCSI_PKG_ATTR_FORCED: flag signifying a package has been set as preferred
+ * @NCSI_PKG_ATTR_CHANNEL_LIST: nested array of NCSI_CHANNEL_ATTR attributes
+ * @NCSI_PKG_ATTR_MAX: highest attribute number
+ */
+enum ncsi_nl_pkg_attrs {
+ NCSI_PKG_ATTR_UNSPEC,
+ NCSI_PKG_ATTR,
+ NCSI_PKG_ATTR_ID,
+ NCSI_PKG_ATTR_FORCED,
+ NCSI_PKG_ATTR_CHANNEL_LIST,
+
+ __NCSI_PKG_ATTR_AFTER_LAST,
+ NCSI_PKG_ATTR_MAX = __NCSI_PKG_ATTR_AFTER_LAST - 1
+};
+
+/**
+ * enum ncsi_nl_channel_attrs - NCSI netlink channel-specific attributes
+ *
+ * @NCSI_CHANNEL_ATTR_UNSPEC: unspecified attributes to catch errors
+ * @NCSI_CHANNEL_ATTR: nested array of channel attributes
+ * @NCSI_CHANNEL_ATTR_ID: channel ID
+ * @NCSI_CHANNEL_ATTR_VERSION_MAJOR: channel major version number
+ * @NCSI_CHANNEL_ATTR_VERSION_MINOR: channel minor version number
+ * @NCSI_CHANNEL_ATTR_VERSION_STR: channel version string
+ * @NCSI_CHANNEL_ATTR_LINK_STATE: channel link state flags
+ * @NCSI_CHANNEL_ATTR_ACTIVE: channels with this flag are in
+ * NCSI_CHANNEL_ACTIVE state
+ * @NCSI_CHANNEL_ATTR_FORCED: flag signifying a channel has been set as
+ * preferred
+ * @NCSI_CHANNEL_ATTR_VLAN_LIST: nested array of NCSI_CHANNEL_ATTR_VLAN_IDs
+ * @NCSI_CHANNEL_ATTR_VLAN_ID: VLAN ID being filtered on this channel
+ * @NCSI_CHANNEL_ATTR_MAX: highest attribute number
+ */
+enum ncsi_nl_channel_attrs {
+ NCSI_CHANNEL_ATTR_UNSPEC,
+ NCSI_CHANNEL_ATTR,
+ NCSI_CHANNEL_ATTR_ID,
+ NCSI_CHANNEL_ATTR_VERSION_MAJOR,
+ NCSI_CHANNEL_ATTR_VERSION_MINOR,
+ NCSI_CHANNEL_ATTR_VERSION_STR,
+ NCSI_CHANNEL_ATTR_LINK_STATE,
+ NCSI_CHANNEL_ATTR_ACTIVE,
+ NCSI_CHANNEL_ATTR_FORCED,
+ NCSI_CHANNEL_ATTR_VLAN_LIST,
+ NCSI_CHANNEL_ATTR_VLAN_ID,
+
+ __NCSI_CHANNEL_ATTR_AFTER_LAST,
+ NCSI_CHANNEL_ATTR_MAX = __NCSI_CHANNEL_ATTR_AFTER_LAST - 1
+};
+
+#endif /* __UAPI_NCSI_NETLINK_H__ */
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 79fcec674485..bc32ed4a4cf3 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -1379,7 +1379,6 @@ static void __queue_work(int cpu, struct workqueue_struct *wq,
*/
WARN_ON_ONCE(!irqs_disabled());
- debug_work_activate(work);
/* if draining, only works from the same workqueue are allowed */
if (unlikely(wq->flags & __WQ_DRAINING) &&
@@ -1462,6 +1461,7 @@ static void __queue_work(int cpu, struct workqueue_struct *wq,
worklist = &pwq->delayed_works;
}
+ debug_work_activate(work);
insert_work(pwq, work, worklist, work_flags);
spin_unlock(&pwq->pool->lock);
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index dbc516824175..9cef38f6cb4d 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -902,6 +902,7 @@ batadv_tt_prepare_tvlv_global_data(struct batadv_orig_node *orig_node,
hlist_for_each_entry_rcu(vlan, &orig_node->vlan_list, list) {
tt_vlan->vid = htons(vlan->vid);
tt_vlan->crc = htonl(vlan->tt.crc);
+ tt_vlan->reserved = 0;
tt_vlan++;
}
@@ -985,6 +986,7 @@ batadv_tt_prepare_tvlv_local_data(struct batadv_priv *bat_priv,
tt_vlan->vid = htons(vlan->vid);
tt_vlan->crc = htonl(vlan->tt.crc);
+ tt_vlan->reserved = 0;
tt_vlan++;
}
diff --git a/net/ieee802154/nl-mac.c b/net/ieee802154/nl-mac.c
index d3cbb3258718..c0930b9fe848 100644
--- a/net/ieee802154/nl-mac.c
+++ b/net/ieee802154/nl-mac.c
@@ -559,9 +559,7 @@ ieee802154_llsec_parse_key_id(struct genl_info *info,
desc->mode = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_KEY_MODE]);
if (desc->mode == IEEE802154_SCF_KEY_IMPLICIT) {
- if (!info->attrs[IEEE802154_ATTR_PAN_ID] &&
- !(info->attrs[IEEE802154_ATTR_SHORT_ADDR] ||
- info->attrs[IEEE802154_ATTR_HW_ADDR]))
+ if (!info->attrs[IEEE802154_ATTR_PAN_ID])
return -EINVAL;
desc->device_addr.pan_id = nla_get_shortaddr(info->attrs[IEEE802154_ATTR_PAN_ID]);
@@ -570,6 +568,9 @@ ieee802154_llsec_parse_key_id(struct genl_info *info,
desc->device_addr.mode = IEEE802154_ADDR_SHORT;
desc->device_addr.short_addr = nla_get_shortaddr(info->attrs[IEEE802154_ATTR_SHORT_ADDR]);
} else {
+ if (!info->attrs[IEEE802154_ATTR_HW_ADDR])
+ return -EINVAL;
+
desc->device_addr.mode = IEEE802154_ADDR_LONG;
desc->device_addr.extended_addr = nla_get_hwaddr(info->attrs[IEEE802154_ATTR_HW_ADDR]);
}
diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c
index 99f6c254ea77..b10b297e76b7 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -836,8 +836,13 @@ nl802154_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
goto nla_put_failure;
#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ goto out;
+
if (nl802154_get_llsec_params(msg, rdev, wpan_dev) < 0)
goto nla_put_failure;
+
+out:
#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
genlmsg_end(msg, hdr);
@@ -1402,6 +1407,9 @@ static int nl802154_set_llsec_params(struct sk_buff *skb,
u32 changed = 0;
int ret;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
if (info->attrs[NL802154_ATTR_SEC_ENABLED]) {
u8 enabled;
@@ -1562,7 +1570,8 @@ static int nl802154_add_llsec_key(struct sk_buff *skb, struct genl_info *info)
struct ieee802154_llsec_key_id id = { };
u32 commands[NL802154_CMD_FRAME_NR_IDS / 32] = { };
- if (nla_parse_nested(attrs, NL802154_KEY_ATTR_MAX,
+ if (!info->attrs[NL802154_ATTR_SEC_KEY] ||
+ nla_parse_nested(attrs, NL802154_KEY_ATTR_MAX,
info->attrs[NL802154_ATTR_SEC_KEY],
nl802154_key_policy, info->extack))
return -EINVAL;
@@ -1612,7 +1621,8 @@ static int nl802154_del_llsec_key(struct sk_buff *skb, struct genl_info *info)
struct nlattr *attrs[NL802154_KEY_ATTR_MAX + 1];
struct ieee802154_llsec_key_id id;
- if (nla_parse_nested(attrs, NL802154_KEY_ATTR_MAX,
+ if (!info->attrs[NL802154_ATTR_SEC_KEY] ||
+ nla_parse_nested(attrs, NL802154_KEY_ATTR_MAX,
info->attrs[NL802154_ATTR_SEC_KEY],
nl802154_key_policy, info->extack))
return -EINVAL;
@@ -1780,7 +1790,8 @@ static int nl802154_del_llsec_dev(struct sk_buff *skb, struct genl_info *info)
struct nlattr *attrs[NL802154_DEV_ATTR_MAX + 1];
__le64 extended_addr;
- if (nla_parse_nested(attrs, NL802154_DEV_ATTR_MAX,
+ if (!info->attrs[NL802154_ATTR_SEC_DEVICE] ||
+ nla_parse_nested(attrs, NL802154_DEV_ATTR_MAX,
info->attrs[NL802154_ATTR_SEC_DEVICE],
nl802154_dev_policy, info->extack))
return -EINVAL;
@@ -1940,7 +1951,8 @@ static int nl802154_del_llsec_devkey(struct sk_buff *skb, struct genl_info *info
struct ieee802154_llsec_device_key key;
__le64 extended_addr;
- if (nla_parse_nested(attrs, NL802154_DEVKEY_ATTR_MAX,
+ if (!info->attrs[NL802154_ATTR_SEC_DEVKEY] ||
+ nla_parse_nested(attrs, NL802154_DEVKEY_ATTR_MAX,
info->attrs[NL802154_ATTR_SEC_DEVKEY],
nl802154_devkey_policy, info->extack))
return -EINVAL;
@@ -2115,6 +2127,9 @@ static int nl802154_del_llsec_seclevel(struct sk_buff *skb,
struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
struct ieee802154_llsec_seclevel sl;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
if (!info->attrs[NL802154_ATTR_SEC_LEVEL] ||
llsec_parse_seclevel(info->attrs[NL802154_ATTR_SEC_LEVEL],
&sl) < 0)
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 6dd727e0a72f..13a46066546d 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -1196,6 +1196,8 @@ static int translate_compat_table(struct net *net,
if (!newinfo)
goto out_unlock;
+ memset(newinfo->entries, 0, size);
+
newinfo->number = compatr->num_entries;
for (i = 0; i < NF_ARP_NUMHOOKS; i++) {
newinfo->hook_entry[i] = compatr->hook_entry[i];
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index 0d1a2cda1bfb..a4039ac65b54 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -1432,6 +1432,8 @@ translate_compat_table(struct net *net,
if (!newinfo)
goto out_unlock;
+ memset(newinfo->entries, 0, size);
+
newinfo->number = compatr->num_entries;
for (i = 0; i < NF_INET_NUMHOOKS; i++) {
newinfo->hook_entry[i] = compatr->hook_entry[i];
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 90f5bf2502a7..d0d5e4372730 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -1449,6 +1449,8 @@ translate_compat_table(struct net *net,
if (!newinfo)
goto out_unlock;
+ memset(newinfo->entries, 0, size);
+
newinfo->number = compatr->num_entries;
for (i = 0; i < NF_INET_NUMHOOKS; i++) {
newinfo->hook_entry[i] = compatr->hook_entry[i];
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index ddcaca5979b1..76e10019a0e9 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -3283,9 +3283,11 @@ static int ip6_route_multipath_add(struct fib6_config *cfg,
* nexthops have been replaced by first new, the rest should
* be added to it.
*/
- cfg->fc_nlinfo.nlh->nlmsg_flags &= ~(NLM_F_EXCL |
- NLM_F_REPLACE);
- cfg->fc_nlinfo.nlh->nlmsg_flags |= NLM_F_CREATE;
+ if (cfg->fc_nlinfo.nlh) {
+ cfg->fc_nlinfo.nlh->nlmsg_flags &= ~(NLM_F_EXCL |
+ NLM_F_REPLACE);
+ cfg->fc_nlinfo.nlh->nlmsg_flags |= NLM_F_CREATE;
+ }
nhn++;
}
diff --git a/net/mac802154/llsec.c b/net/mac802154/llsec.c
index 1e1c9b20bab7..ed1b9876d545 100644
--- a/net/mac802154/llsec.c
+++ b/net/mac802154/llsec.c
@@ -160,7 +160,7 @@ llsec_key_alloc(const struct ieee802154_llsec_key *template)
crypto_free_skcipher(key->tfm0);
err_tfm:
for (i = 0; i < ARRAY_SIZE(key->tfm); i++)
- if (key->tfm[i])
+ if (!IS_ERR_OR_NULL(key->tfm[i]))
crypto_free_aead(key->tfm[i]);
kzfree(key);
diff --git a/net/ncsi/Makefile b/net/ncsi/Makefile
index dd12b564f2e7..436ef68331f2 100644
--- a/net/ncsi/Makefile
+++ b/net/ncsi/Makefile
@@ -1,4 +1,4 @@
#
# Makefile for NCSI API
#
-obj-$(CONFIG_NET_NCSI) += ncsi-cmd.o ncsi-rsp.o ncsi-aen.o ncsi-manage.o
+obj-$(CONFIG_NET_NCSI) += ncsi-cmd.o ncsi-rsp.o ncsi-aen.o ncsi-manage.o ncsi-netlink.o
diff --git a/net/ncsi/internal.h b/net/ncsi/internal.h
index d30f7bd741d0..8055e3965cef 100644
--- a/net/ncsi/internal.h
+++ b/net/ncsi/internal.h
@@ -68,15 +68,6 @@ enum {
NCSI_MODE_MAX
};
-enum {
- NCSI_FILTER_BASE = 0,
- NCSI_FILTER_VLAN = 0,
- NCSI_FILTER_UC,
- NCSI_FILTER_MC,
- NCSI_FILTER_MIXED,
- NCSI_FILTER_MAX
-};
-
struct ncsi_channel_version {
u32 version; /* Supported BCD encoded NCSI version */
u32 alpha2; /* Supported BCD encoded NCSI version */
@@ -98,11 +89,18 @@ struct ncsi_channel_mode {
u32 data[8]; /* Data entries */
};
-struct ncsi_channel_filter {
- u32 index; /* Index of channel filters */
- u32 total; /* Total entries in the filter table */
- u64 bitmap; /* Bitmap of valid entries */
- u32 data[]; /* Data for the valid entries */
+struct ncsi_channel_mac_filter {
+ u8 n_uc;
+ u8 n_mc;
+ u8 n_mixed;
+ u64 bitmap;
+ unsigned char *addrs;
+};
+
+struct ncsi_channel_vlan_filter {
+ u8 n_vids;
+ u64 bitmap;
+ u16 *vids;
};
struct ncsi_channel_stats {
@@ -186,7 +184,9 @@ struct ncsi_channel {
struct ncsi_channel_version version;
struct ncsi_channel_cap caps[NCSI_CAP_MAX];
struct ncsi_channel_mode modes[NCSI_MODE_MAX];
- struct ncsi_channel_filter *filters[NCSI_FILTER_MAX];
+ /* Filtering Settings */
+ struct ncsi_channel_mac_filter mac_filter;
+ struct ncsi_channel_vlan_filter vlan_filter;
struct ncsi_channel_stats stats;
struct {
struct timer_list timer;
@@ -276,6 +276,8 @@ struct ncsi_dev_priv {
unsigned int package_num; /* Number of packages */
struct list_head packages; /* List of packages */
struct ncsi_channel *hot_channel; /* Channel was ever active */
+ struct ncsi_package *force_package; /* Force a specific package */
+ struct ncsi_channel *force_channel; /* Force a specific channel */
struct ncsi_request requests[256]; /* Request table */
unsigned int request_id; /* Last used request ID */
#define NCSI_REQ_START_IDX 1
@@ -318,9 +320,6 @@ extern spinlock_t ncsi_dev_lock;
list_for_each_entry_rcu(nc, &np->channels, node)
/* Resources */
-int ncsi_find_filter(struct ncsi_channel *nc, int table, void *data);
-int ncsi_add_filter(struct ncsi_channel *nc, int table, void *data);
-int ncsi_remove_filter(struct ncsi_channel *nc, int table, int index);
void ncsi_start_channel_monitor(struct ncsi_channel *nc);
void ncsi_stop_channel_monitor(struct ncsi_channel *nc);
struct ncsi_channel *ncsi_find_channel(struct ncsi_package *np,
diff --git a/net/ncsi/ncsi-aen.c b/net/ncsi/ncsi-aen.c
index f135938bf781..67e708e98ccf 100644
--- a/net/ncsi/ncsi-aen.c
+++ b/net/ncsi/ncsi-aen.c
@@ -73,6 +73,9 @@ static int ncsi_aen_handler_lsc(struct ncsi_dev_priv *ndp,
ncm->data[2] = data;
ncm->data[4] = ntohl(lsc->oem_status);
+ netdev_info(ndp->ndev.dev, "NCSI: LSC AEN - channel %u state %s\n",
+ nc->id, data & 0x1 ? "up" : "down");
+
chained = !list_empty(&nc->link);
state = nc->state;
spin_unlock_irqrestore(&nc->lock, flags);
@@ -145,6 +148,8 @@ static int ncsi_aen_handler_hncdsc(struct ncsi_dev_priv *ndp,
ncm = &nc->modes[NCSI_MODE_LINK];
hncdsc = (struct ncsi_aen_hncdsc_pkt *)h;
ncm->data[3] = ntohl(hncdsc->status);
+ netdev_info(ndp->ndev.dev, "NCSI: HNCDSC AEN - channel %u state %s\n",
+ nc->id, ncm->data[3] & 0x3 ? "up" : "down");
if (!list_empty(&nc->link) ||
nc->state != NCSI_CHANNEL_ACTIVE) {
spin_unlock_irqrestore(&nc->lock, flags);
@@ -212,10 +217,18 @@ int ncsi_aen_handler(struct ncsi_dev_priv *ndp, struct sk_buff *skb)
}
ret = ncsi_validate_aen_pkt(h, nah->payload);
- if (ret)
+ if (ret) {
+ netdev_warn(ndp->ndev.dev,
+ "NCSI: 'bad' packet ignored for AEN type 0x%x\n",
+ h->type);
goto out;
+ }
ret = nah->handler(ndp, h);
+ if (ret)
+ netdev_err(ndp->ndev.dev,
+ "NCSI: Handler for AEN type 0x%x returned %d\n",
+ h->type, ret);
out:
consume_skb(skb);
return ret;
diff --git a/net/ncsi/ncsi-manage.c b/net/ncsi/ncsi-manage.c
index 28c42b22b748..dbe8aec6c57b 100644
--- a/net/ncsi/ncsi-manage.c
+++ b/net/ncsi/ncsi-manage.c
@@ -12,7 +12,6 @@
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
-#include <linux/netlink.h>
#include <net/ncsi.h>
#include <net/net_namespace.h>
@@ -23,129 +22,11 @@
#include "internal.h"
#include "ncsi-pkt.h"
+#include "ncsi-netlink.h"
LIST_HEAD(ncsi_dev_list);
DEFINE_SPINLOCK(ncsi_dev_lock);
-static inline int ncsi_filter_size(int table)
-{
- int sizes[] = { 2, 6, 6, 6 };
-
- BUILD_BUG_ON(ARRAY_SIZE(sizes) != NCSI_FILTER_MAX);
- if (table < NCSI_FILTER_BASE || table >= NCSI_FILTER_MAX)
- return -EINVAL;
-
- return sizes[table];
-}
-
-u32 *ncsi_get_filter(struct ncsi_channel *nc, int table, int index)
-{
- struct ncsi_channel_filter *ncf;
- int size;
-
- ncf = nc->filters[table];
- if (!ncf)
- return NULL;
-
- size = ncsi_filter_size(table);
- if (size < 0)
- return NULL;
-
- return ncf->data + size * index;
-}
-
-/* Find the first active filter in a filter table that matches the given
- * data parameter. If data is NULL, this returns the first active filter.
- */
-int ncsi_find_filter(struct ncsi_channel *nc, int table, void *data)
-{
- struct ncsi_channel_filter *ncf;
- void *bitmap;
- int index, size;
- unsigned long flags;
-
- ncf = nc->filters[table];
- if (!ncf)
- return -ENXIO;
-
- size = ncsi_filter_size(table);
- if (size < 0)
- return size;
-
- spin_lock_irqsave(&nc->lock, flags);
- bitmap = (void *)&ncf->bitmap;
- index = -1;
- while ((index = find_next_bit(bitmap, ncf->total, index + 1))
- < ncf->total) {
- if (!data || !memcmp(ncf->data + size * index, data, size)) {
- spin_unlock_irqrestore(&nc->lock, flags);
- return index;
- }
- }
- spin_unlock_irqrestore(&nc->lock, flags);
-
- return -ENOENT;
-}
-
-int ncsi_add_filter(struct ncsi_channel *nc, int table, void *data)
-{
- struct ncsi_channel_filter *ncf;
- int index, size;
- void *bitmap;
- unsigned long flags;
-
- size = ncsi_filter_size(table);
- if (size < 0)
- return size;
-
- index = ncsi_find_filter(nc, table, data);
- if (index >= 0)
- return index;
-
- ncf = nc->filters[table];
- if (!ncf)
- return -ENODEV;
-
- spin_lock_irqsave(&nc->lock, flags);
- bitmap = (void *)&ncf->bitmap;
- do {
- index = find_next_zero_bit(bitmap, ncf->total, 0);
- if (index >= ncf->total) {
- spin_unlock_irqrestore(&nc->lock, flags);
- return -ENOSPC;
- }
- } while (test_and_set_bit(index, bitmap));
-
- memcpy(ncf->data + size * index, data, size);
- spin_unlock_irqrestore(&nc->lock, flags);
-
- return index;
-}
-
-int ncsi_remove_filter(struct ncsi_channel *nc, int table, int index)
-{
- struct ncsi_channel_filter *ncf;
- int size;
- void *bitmap;
- unsigned long flags;
-
- size = ncsi_filter_size(table);
- if (size < 0)
- return size;
-
- ncf = nc->filters[table];
- if (!ncf || index >= ncf->total)
- return -ENODEV;
-
- spin_lock_irqsave(&nc->lock, flags);
- bitmap = (void *)&ncf->bitmap;
- if (test_and_clear_bit(index, bitmap))
- memset(ncf->data + size * index, 0, size);
- spin_unlock_irqrestore(&nc->lock, flags);
-
- return 0;
-}
-
static void ncsi_report_link(struct ncsi_dev_priv *ndp, bool force_down)
{
struct ncsi_dev *nd = &ndp->ndev;
@@ -203,13 +84,20 @@ static void ncsi_channel_monitor(unsigned long data)
monitor_state = nc->monitor.state;
spin_unlock_irqrestore(&nc->lock, flags);
- if (!enabled || chained) {
- ncsi_stop_channel_monitor(nc);
- return;
- }
+ if (!enabled)
+ return; /* expected race disabling timer */
+ if (WARN_ON_ONCE(chained))
+ goto bad_state;
+
if (state != NCSI_CHANNEL_INACTIVE &&
state != NCSI_CHANNEL_ACTIVE) {
- ncsi_stop_channel_monitor(nc);
+bad_state:
+ netdev_warn(ndp->ndev.dev,
+ "Bad NCSI monitor state channel %d 0x%x %s queue\n",
+ nc->id, state, chained ? "on" : "off");
+ spin_lock_irqsave(&nc->lock, flags);
+ nc->monitor.enabled = false;
+ spin_unlock_irqrestore(&nc->lock, flags);
return;
}
@@ -229,15 +117,16 @@ static void ncsi_channel_monitor(unsigned long data)
case NCSI_CHANNEL_MONITOR_WAIT ... NCSI_CHANNEL_MONITOR_WAIT_MAX:
break;
default:
+ netdev_err(ndp->ndev.dev, "NCSI Channel %d timed out!\n",
+ nc->id);
if (!(ndp->flags & NCSI_DEV_HWA)) {
ncsi_report_link(ndp, true);
ndp->flags |= NCSI_DEV_RESHUFFLE;
}
- ncsi_stop_channel_monitor(nc);
-
ncm = &nc->modes[NCSI_MODE_LINK];
spin_lock_irqsave(&nc->lock, flags);
+ nc->monitor.enabled = false;
nc->state = NCSI_CHANNEL_INVISIBLE;
ncm->data[2] &= ~0x1;
spin_unlock_irqrestore(&nc->lock, flags);
@@ -338,20 +227,13 @@ struct ncsi_channel *ncsi_add_channel(struct ncsi_package *np, unsigned char id)
static void ncsi_remove_channel(struct ncsi_channel *nc)
{
struct ncsi_package *np = nc->package;
- struct ncsi_channel_filter *ncf;
unsigned long flags;
- int i;
- /* Release filters */
spin_lock_irqsave(&nc->lock, flags);
- for (i = 0; i < NCSI_FILTER_MAX; i++) {
- ncf = nc->filters[i];
- if (!ncf)
- continue;
- nc->filters[i] = NULL;
- kfree(ncf);
- }
+ /* Release filters */
+ kfree(nc->mac_filter.addrs);
+ kfree(nc->vlan_filter.vids);
nc->state = NCSI_CHANNEL_INACTIVE;
spin_unlock_irqrestore(&nc->lock, flags);
@@ -669,32 +551,26 @@ static void ncsi_suspend_channel(struct ncsi_dev_priv *ndp)
static int clear_one_vid(struct ncsi_dev_priv *ndp, struct ncsi_channel *nc,
struct ncsi_cmd_arg *nca)
{
+ struct ncsi_channel_vlan_filter *ncf;
+ unsigned long flags;
+ void *bitmap;
int index;
- u32 *data;
u16 vid;
- index = ncsi_find_filter(nc, NCSI_FILTER_VLAN, NULL);
- if (index < 0) {
- /* Filter table empty */
- return -1;
- }
+ ncf = &nc->vlan_filter;
+ bitmap = &ncf->bitmap;
- data = ncsi_get_filter(nc, NCSI_FILTER_VLAN, index);
- if (!data) {
- netdev_err(ndp->ndev.dev,
- "ncsi: failed to retrieve filter %d\n", index);
- /* Set the VLAN id to 0 - this will still disable the entry in
- * the filter table, but we won't know what it was.
- */
- vid = 0;
- } else {
- vid = *(u16 *)data;
+ spin_lock_irqsave(&nc->lock, flags);
+ index = find_next_bit(bitmap, ncf->n_vids, 0);
+ if (index >= ncf->n_vids) {
+ spin_unlock_irqrestore(&nc->lock, flags);
+ return -1;
}
+ vid = ncf->vids[index];
- netdev_printk(KERN_DEBUG, ndp->ndev.dev,
- "ncsi: removed vlan tag %u at index %d\n",
- vid, index + 1);
- ncsi_remove_filter(nc, NCSI_FILTER_VLAN, index);
+ clear_bit(index, bitmap);
+ ncf->vids[index] = 0;
+ spin_unlock_irqrestore(&nc->lock, flags);
nca->type = NCSI_PKT_CMD_SVF;
nca->words[1] = vid;
@@ -710,45 +586,55 @@ static int clear_one_vid(struct ncsi_dev_priv *ndp, struct ncsi_channel *nc,
static int set_one_vid(struct ncsi_dev_priv *ndp, struct ncsi_channel *nc,
struct ncsi_cmd_arg *nca)
{
+ struct ncsi_channel_vlan_filter *ncf;
struct vlan_vid *vlan = NULL;
- int index = 0;
+ unsigned long flags;
+ int i, index;
+ void *bitmap;
+ u16 vid;
+
+ if (list_empty(&ndp->vlan_vids))
+ return -1;
+
+ ncf = &nc->vlan_filter;
+ bitmap = &ncf->bitmap;
+ spin_lock_irqsave(&nc->lock, flags);
+
+ rcu_read_lock();
list_for_each_entry_rcu(vlan, &ndp->vlan_vids, list) {
- index = ncsi_find_filter(nc, NCSI_FILTER_VLAN, &vlan->vid);
- if (index < 0) {
- /* New tag to add */
- netdev_printk(KERN_DEBUG, ndp->ndev.dev,
- "ncsi: new vlan id to set: %u\n",
- vlan->vid);
+ vid = vlan->vid;
+ for (i = 0; i < ncf->n_vids; i++)
+ if (ncf->vids[i] == vid) {
+ vid = 0;
+ break;
+ }
+ if (vid)
break;
- }
- netdev_printk(KERN_DEBUG, ndp->ndev.dev,
- "vid %u already at filter pos %d\n",
- vlan->vid, index);
}
+ rcu_read_unlock();
- if (!vlan || index >= 0) {
- netdev_printk(KERN_DEBUG, ndp->ndev.dev,
- "no vlan ids left to set\n");
+ if (!vid) {
+ /* No VLAN ID is not set */
+ spin_unlock_irqrestore(&nc->lock, flags);
return -1;
}
- index = ncsi_add_filter(nc, NCSI_FILTER_VLAN, &vlan->vid);
- if (index < 0) {
+ index = find_next_zero_bit(bitmap, ncf->n_vids, 0);
+ if (index < 0 || index >= ncf->n_vids) {
netdev_err(ndp->ndev.dev,
- "Failed to add new VLAN tag, error %d\n", index);
- if (index == -ENOSPC)
- netdev_err(ndp->ndev.dev,
- "Channel %u already has all VLAN filters set\n",
- nc->id);
+ "Channel %u already has all VLAN filters set\n",
+ nc->id);
+ spin_unlock_irqrestore(&nc->lock, flags);
return -1;
}
- netdev_printk(KERN_DEBUG, ndp->ndev.dev,
- "ncsi: set vid %u in packet, index %u\n",
- vlan->vid, index + 1);
+ ncf->vids[index] = vid;
+ set_bit(index, bitmap);
+ spin_unlock_irqrestore(&nc->lock, flags);
+
nca->type = NCSI_PKT_CMD_SVF;
- nca->words[1] = vlan->vid;
+ nca->words[1] = vid;
/* HW filter index starts at 1 */
nca->bytes[6] = index + 1;
nca->bytes[7] = 0x01;
@@ -784,8 +670,11 @@ static void ncsi_configure_channel(struct ncsi_dev_priv *ndp)
nca.package = np->id;
nca.channel = NCSI_RESERVED_CHANNEL;
ret = ncsi_xmit_cmd(&nca);
- if (ret)
+ if (ret) {
+ netdev_err(ndp->ndev.dev,
+ "NCSI: Failed to transmit CMD_SP\n");
goto error;
+ }
nd->state = ncsi_dev_state_config_cis;
break;
@@ -797,8 +686,11 @@ static void ncsi_configure_channel(struct ncsi_dev_priv *ndp)
nca.package = np->id;
nca.channel = nc->id;
ret = ncsi_xmit_cmd(&nca);
- if (ret)
+ if (ret) {
+ netdev_err(ndp->ndev.dev,
+ "NCSI: Failed to transmit CMD_CIS\n");
goto error;
+ }
nd->state = ncsi_dev_state_config_clear_vids;
break;
@@ -895,10 +787,16 @@ static void ncsi_configure_channel(struct ncsi_dev_priv *ndp)
}
ret = ncsi_xmit_cmd(&nca);
- if (ret)
+ if (ret) {
+ netdev_err(ndp->ndev.dev,
+ "NCSI: Failed to transmit CMD %x\n",
+ nca.type);
goto error;
+ }
break;
case ncsi_dev_state_config_done:
+ netdev_printk(KERN_DEBUG, ndp->ndev.dev,
+ "NCSI: channel %u config done\n", nc->id);
spin_lock_irqsave(&nc->lock, flags);
if (nc->reconfigure_needed) {
/* This channel's configuration has been updated
@@ -925,6 +823,9 @@ static void ncsi_configure_channel(struct ncsi_dev_priv *ndp)
} else {
hot_nc = NULL;
nc->state = NCSI_CHANNEL_INACTIVE;
+ netdev_warn(ndp->ndev.dev,
+ "NCSI: channel %u link down after config\n",
+ nc->id);
}
spin_unlock_irqrestore(&nc->lock, flags);
@@ -937,8 +838,8 @@ static void ncsi_configure_channel(struct ncsi_dev_priv *ndp)
ncsi_process_next_channel(ndp);
break;
default:
- netdev_warn(dev, "Wrong NCSI state 0x%x in config\n",
- nd->state);
+ netdev_alert(dev, "Wrong NCSI state 0x%x in config\n",
+ nd->state);
}
return;
@@ -949,20 +850,37 @@ static void ncsi_configure_channel(struct ncsi_dev_priv *ndp)
static int ncsi_choose_active_channel(struct ncsi_dev_priv *ndp)
{
- struct ncsi_package *np;
- struct ncsi_channel *nc, *found, *hot_nc;
+ struct ncsi_package *np, *force_package;
+ struct ncsi_channel *nc, *found, *hot_nc, *force_channel;
struct ncsi_channel_mode *ncm;
unsigned long flags;
spin_lock_irqsave(&ndp->lock, flags);
hot_nc = ndp->hot_channel;
+ force_channel = ndp->force_channel;
+ force_package = ndp->force_package;
spin_unlock_irqrestore(&ndp->lock, flags);
+ /* Force a specific channel whether or not it has link if we have been
+ * configured to do so
+ */
+ if (force_package && force_channel) {
+ found = force_channel;
+ ncm = &found->modes[NCSI_MODE_LINK];
+ if (!(ncm->data[2] & 0x1))
+ netdev_info(ndp->ndev.dev,
+ "NCSI: Channel %u forced, but it is link down\n",
+ found->id);
+ goto out;
+ }
+
/* The search is done once an inactive channel with up
* link is found.
*/
found = NULL;
NCSI_FOR_EACH_PACKAGE(ndp, np) {
+ if (ndp->force_package && np != ndp->force_package)
+ continue;
NCSI_FOR_EACH_CHANNEL(np, nc) {
spin_lock_irqsave(&nc->lock, flags);
@@ -990,10 +908,17 @@ static int ncsi_choose_active_channel(struct ncsi_dev_priv *ndp)
}
if (!found) {
+ netdev_warn(ndp->ndev.dev,
+ "NCSI: No channel found with link\n");
ncsi_report_link(ndp, true);
return -ENODEV;
}
+ ncm = &found->modes[NCSI_MODE_LINK];
+ netdev_printk(KERN_DEBUG, ndp->ndev.dev,
+ "NCSI: Channel %u added to queue (link %s)\n",
+ found->id, ncm->data[2] & 0x1 ? "up" : "down");
+
out:
spin_lock_irqsave(&ndp->lock, flags);
list_add_tail_rcu(&found->link, &ndp->channel_queue);
@@ -1055,6 +980,8 @@ static int ncsi_enable_hwa(struct ncsi_dev_priv *ndp)
/* We can have no channels in extremely case */
if (list_empty(&ndp->channel_queue)) {
+ netdev_err(ndp->ndev.dev,
+ "NCSI: No available channels for HWA\n");
ncsi_report_link(ndp, false);
return -ENOENT;
}
@@ -1223,6 +1150,9 @@ static void ncsi_probe_channel(struct ncsi_dev_priv *ndp)
return;
error:
+ netdev_err(ndp->ndev.dev,
+ "NCSI: Failed to transmit cmd 0x%x during probe\n",
+ nca.type);
ncsi_report_link(ndp, true);
}
@@ -1276,10 +1206,14 @@ int ncsi_process_next_channel(struct ncsi_dev_priv *ndp)
switch (old_state) {
case NCSI_CHANNEL_INACTIVE:
ndp->ndev.state = ncsi_dev_state_config;
+ netdev_info(ndp->ndev.dev, "NCSI: configuring channel %u\n",
+ nc->id);
ncsi_configure_channel(ndp);
break;
case NCSI_CHANNEL_ACTIVE:
ndp->ndev.state = ncsi_dev_state_suspend;
+ netdev_info(ndp->ndev.dev, "NCSI: suspending channel %u\n",
+ nc->id);
ncsi_suspend_channel(ndp);
break;
default:
@@ -1299,6 +1233,8 @@ int ncsi_process_next_channel(struct ncsi_dev_priv *ndp)
return ncsi_choose_active_channel(ndp);
}
+ netdev_printk(KERN_DEBUG, ndp->ndev.dev,
+ "NCSI: No more channels to process\n");
ncsi_report_link(ndp, false);
return -ENODEV;
}
@@ -1390,7 +1326,7 @@ static int ncsi_kick_channels(struct ncsi_dev_priv *ndp)
ncsi_dev_state_config ||
!list_empty(&nc->link)) {
netdev_printk(KERN_DEBUG, nd->dev,
- "ncsi: channel %p marked dirty\n",
+ "NCSI: channel %p marked dirty\n",
nc);
nc->reconfigure_needed = true;
}
@@ -1410,7 +1346,7 @@ static int ncsi_kick_channels(struct ncsi_dev_priv *ndp)
spin_unlock_irqrestore(&ndp->lock, flags);
netdev_printk(KERN_DEBUG, nd->dev,
- "ncsi: kicked channel %p\n", nc);
+ "NCSI: kicked channel %p\n", nc);
n++;
}
}
@@ -1431,7 +1367,7 @@ int ncsi_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid)
nd = ncsi_find_dev(dev);
if (!nd) {
- netdev_warn(dev, "ncsi: No net_device?\n");
+ netdev_warn(dev, "NCSI: No net_device?\n");
return 0;
}
@@ -1442,7 +1378,7 @@ int ncsi_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid)
n_vids++;
if (vlan->vid == vid) {
netdev_printk(KERN_DEBUG, dev,
- "vid %u already registered\n", vid);
+ "NCSI: vid %u already registered\n", vid);
return 0;
}
}
@@ -1461,7 +1397,7 @@ int ncsi_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid)
vlan->vid = vid;
list_add_rcu(&vlan->list, &ndp->vlan_vids);
- netdev_printk(KERN_DEBUG, dev, "Added new vid %u\n", vid);
+ netdev_printk(KERN_DEBUG, dev, "NCSI: Added new vid %u\n", vid);
found = ncsi_kick_channels(ndp) != 0;
@@ -1481,7 +1417,7 @@ int ncsi_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid)
nd = ncsi_find_dev(dev);
if (!nd) {
- netdev_warn(dev, "ncsi: no net_device?\n");
+ netdev_warn(dev, "NCSI: no net_device?\n");
return 0;
}
@@ -1491,14 +1427,14 @@ int ncsi_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid)
list_for_each_entry_safe(vlan, tmp, &ndp->vlan_vids, list)
if (vlan->vid == vid) {
netdev_printk(KERN_DEBUG, dev,
- "vid %u found, removing\n", vid);
+ "NCSI: vid %u found, removing\n", vid);
list_del_rcu(&vlan->list);
found = true;
kfree(vlan);
}
if (!found) {
- netdev_err(dev, "ncsi: vid %u wasn't registered!\n", vid);
+ netdev_err(dev, "NCSI: vid %u wasn't registered!\n", vid);
return -EINVAL;
}
@@ -1562,6 +1498,9 @@ struct ncsi_dev *ncsi_register_dev(struct net_device *dev,
ndp->ptype.dev = dev;
dev_add_pack(&ndp->ptype);
+ /* Set up generic netlink interface */
+ ncsi_init_netlink(dev);
+
return nd;
}
EXPORT_SYMBOL_GPL(ncsi_register_dev);
@@ -1581,10 +1520,12 @@ int ncsi_start_dev(struct ncsi_dev *nd)
return 0;
}
- if (ndp->flags & NCSI_DEV_HWA)
+ if (ndp->flags & NCSI_DEV_HWA) {
+ netdev_info(ndp->ndev.dev, "NCSI: Enabling HWA mode\n");
ret = ncsi_enable_hwa(ndp);
- else
+ } else {
ret = ncsi_choose_active_channel(ndp);
+ }
return ret;
}
@@ -1615,6 +1556,7 @@ void ncsi_stop_dev(struct ncsi_dev *nd)
}
}
+ netdev_printk(KERN_DEBUG, ndp->ndev.dev, "NCSI: Stopping device\n");
ncsi_report_link(ndp, true);
}
EXPORT_SYMBOL_GPL(ncsi_stop_dev);
@@ -1638,6 +1580,8 @@ void ncsi_unregister_dev(struct ncsi_dev *nd)
#endif
spin_unlock_irqrestore(&ncsi_dev_lock, flags);
+ ncsi_unregister_netlink(nd->dev);
+
kfree(ndp);
}
EXPORT_SYMBOL_GPL(ncsi_unregister_dev);
diff --git a/net/ncsi/ncsi-netlink.c b/net/ncsi/ncsi-netlink.c
new file mode 100644
index 000000000000..9073911ac97b
--- /dev/null
+++ b/net/ncsi/ncsi-netlink.c
@@ -0,0 +1,415 @@
+/*
+ * Copyright Samuel Mendoza-Jonas, IBM Corporation 2018.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/if_arp.h>
+#include <linux/rtnetlink.h>
+#include <linux/etherdevice.h>
+#include <linux/module.h>
+#include <net/genetlink.h>
+#include <net/ncsi.h>
+#include <linux/skbuff.h>
+#include <net/sock.h>
+#include <uapi/linux/ncsi.h>
+
+#include "internal.h"
+#include "ncsi-netlink.h"
+
+static struct genl_family ncsi_genl_family;
+
+static const struct nla_policy ncsi_genl_policy[NCSI_ATTR_MAX + 1] = {
+ [NCSI_ATTR_IFINDEX] = { .type = NLA_U32 },
+ [NCSI_ATTR_PACKAGE_LIST] = { .type = NLA_NESTED },
+ [NCSI_ATTR_PACKAGE_ID] = { .type = NLA_U32 },
+ [NCSI_ATTR_CHANNEL_ID] = { .type = NLA_U32 },
+};
+
+static struct ncsi_dev_priv *ndp_from_ifindex(struct net *net, u32 ifindex)
+{
+ struct ncsi_dev_priv *ndp;
+ struct net_device *dev;
+ struct ncsi_dev *nd;
+ struct ncsi_dev;
+
+ if (!net)
+ return NULL;
+
+ dev = dev_get_by_index(net, ifindex);
+ if (!dev) {
+ pr_err("NCSI netlink: No device for ifindex %u\n", ifindex);
+ return NULL;
+ }
+
+ nd = ncsi_find_dev(dev);
+ ndp = nd ? TO_NCSI_DEV_PRIV(nd) : NULL;
+
+ dev_put(dev);
+ return ndp;
+}
+
+static int ncsi_write_channel_info(struct sk_buff *skb,
+ struct ncsi_dev_priv *ndp,
+ struct ncsi_channel *nc)
+{
+ struct ncsi_channel_vlan_filter *ncf;
+ struct ncsi_channel_mode *m;
+ struct nlattr *vid_nest;
+ int i;
+
+ nla_put_u32(skb, NCSI_CHANNEL_ATTR_ID, nc->id);
+ m = &nc->modes[NCSI_MODE_LINK];
+ nla_put_u32(skb, NCSI_CHANNEL_ATTR_LINK_STATE, m->data[2]);
+ if (nc->state == NCSI_CHANNEL_ACTIVE)
+ nla_put_flag(skb, NCSI_CHANNEL_ATTR_ACTIVE);
+ if (ndp->force_channel == nc)
+ nla_put_flag(skb, NCSI_CHANNEL_ATTR_FORCED);
+
+ nla_put_u32(skb, NCSI_CHANNEL_ATTR_VERSION_MAJOR, nc->version.version);
+ nla_put_u32(skb, NCSI_CHANNEL_ATTR_VERSION_MINOR, nc->version.alpha2);
+ nla_put_string(skb, NCSI_CHANNEL_ATTR_VERSION_STR, nc->version.fw_name);
+
+ vid_nest = nla_nest_start(skb, NCSI_CHANNEL_ATTR_VLAN_LIST);
+ if (!vid_nest)
+ return -ENOMEM;
+ ncf = &nc->vlan_filter;
+ i = -1;
+ while ((i = find_next_bit((void *)&ncf->bitmap, ncf->n_vids,
+ i + 1)) < ncf->n_vids) {
+ if (ncf->vids[i])
+ nla_put_u16(skb, NCSI_CHANNEL_ATTR_VLAN_ID,
+ ncf->vids[i]);
+ }
+ nla_nest_end(skb, vid_nest);
+
+ return 0;
+}
+
+static int ncsi_write_package_info(struct sk_buff *skb,
+ struct ncsi_dev_priv *ndp, unsigned int id)
+{
+ struct nlattr *pnest, *cnest, *nest;
+ struct ncsi_package *np;
+ struct ncsi_channel *nc;
+ bool found;
+ int rc;
+
+ if (id > ndp->package_num) {
+ netdev_info(ndp->ndev.dev, "NCSI: No package with id %u\n", id);
+ return -ENODEV;
+ }
+
+ found = false;
+ NCSI_FOR_EACH_PACKAGE(ndp, np) {
+ if (np->id != id)
+ continue;
+ pnest = nla_nest_start(skb, NCSI_PKG_ATTR);
+ if (!pnest)
+ return -ENOMEM;
+ nla_put_u32(skb, NCSI_PKG_ATTR_ID, np->id);
+ if (ndp->force_package == np)
+ nla_put_flag(skb, NCSI_PKG_ATTR_FORCED);
+ cnest = nla_nest_start(skb, NCSI_PKG_ATTR_CHANNEL_LIST);
+ if (!cnest) {
+ nla_nest_cancel(skb, pnest);
+ return -ENOMEM;
+ }
+ NCSI_FOR_EACH_CHANNEL(np, nc) {
+ nest = nla_nest_start(skb, NCSI_CHANNEL_ATTR);
+ if (!nest) {
+ nla_nest_cancel(skb, cnest);
+ nla_nest_cancel(skb, pnest);
+ return -ENOMEM;
+ }
+ rc = ncsi_write_channel_info(skb, ndp, nc);
+ if (rc) {
+ nla_nest_cancel(skb, nest);
+ nla_nest_cancel(skb, cnest);
+ nla_nest_cancel(skb, pnest);
+ return rc;
+ }
+ nla_nest_end(skb, nest);
+ }
+ nla_nest_end(skb, cnest);
+ nla_nest_end(skb, pnest);
+ found = true;
+ }
+
+ if (!found)
+ return -ENODEV;
+
+ return 0;
+}
+
+static int ncsi_pkg_info_nl(struct sk_buff *msg, struct genl_info *info)
+{
+ struct ncsi_dev_priv *ndp;
+ unsigned int package_id;
+ struct sk_buff *skb;
+ struct nlattr *attr;
+ void *hdr;
+ int rc;
+
+ if (!info || !info->attrs)
+ return -EINVAL;
+
+ if (!info->attrs[NCSI_ATTR_IFINDEX])
+ return -EINVAL;
+
+ if (!info->attrs[NCSI_ATTR_PACKAGE_ID])
+ return -EINVAL;
+
+ ndp = ndp_from_ifindex(genl_info_net(info),
+ nla_get_u32(info->attrs[NCSI_ATTR_IFINDEX]));
+ if (!ndp)
+ return -ENODEV;
+
+ skb = genlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!skb)
+ return -ENOMEM;
+
+ hdr = genlmsg_put(skb, info->snd_portid, info->snd_seq,
+ &ncsi_genl_family, 0, NCSI_CMD_PKG_INFO);
+ if (!hdr) {
+ kfree(skb);
+ return -EMSGSIZE;
+ }
+
+ package_id = nla_get_u32(info->attrs[NCSI_ATTR_PACKAGE_ID]);
+
+ attr = nla_nest_start(skb, NCSI_ATTR_PACKAGE_LIST);
+ rc = ncsi_write_package_info(skb, ndp, package_id);
+
+ if (rc) {
+ nla_nest_cancel(skb, attr);
+ goto err;
+ }
+
+ nla_nest_end(skb, attr);
+
+ genlmsg_end(skb, hdr);
+ return genlmsg_reply(skb, info);
+
+err:
+ genlmsg_cancel(skb, hdr);
+ kfree(skb);
+ return rc;
+}
+
+static int ncsi_pkg_info_all_nl(struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ struct nlattr *attrs[NCSI_ATTR_MAX];
+ struct ncsi_package *np, *package;
+ struct ncsi_dev_priv *ndp;
+ unsigned int package_id;
+ struct nlattr *attr;
+ void *hdr;
+ int rc;
+
+ rc = genlmsg_parse(cb->nlh, &ncsi_genl_family, attrs, NCSI_ATTR_MAX,
+ ncsi_genl_policy, NULL);
+ if (rc)
+ return rc;
+
+ if (!attrs[NCSI_ATTR_IFINDEX])
+ return -EINVAL;
+
+ ndp = ndp_from_ifindex(get_net(sock_net(skb->sk)),
+ nla_get_u32(attrs[NCSI_ATTR_IFINDEX]));
+
+ if (!ndp)
+ return -ENODEV;
+
+ package_id = cb->args[0];
+ package = NULL;
+ NCSI_FOR_EACH_PACKAGE(ndp, np)
+ if (np->id == package_id)
+ package = np;
+
+ if (!package)
+ return 0; /* done */
+
+ hdr = genlmsg_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq,
+ &ncsi_genl_family, 0, NCSI_CMD_PKG_INFO);
+ if (!hdr) {
+ rc = -EMSGSIZE;
+ goto err;
+ }
+
+ attr = nla_nest_start(skb, NCSI_ATTR_PACKAGE_LIST);
+ rc = ncsi_write_package_info(skb, ndp, package->id);
+ if (rc) {
+ nla_nest_cancel(skb, attr);
+ goto err;
+ }
+
+ nla_nest_end(skb, attr);
+ genlmsg_end(skb, hdr);
+
+ cb->args[0] = package_id + 1;
+
+ return skb->len;
+err:
+ genlmsg_cancel(skb, hdr);
+ return rc;
+}
+
+static int ncsi_set_interface_nl(struct sk_buff *msg, struct genl_info *info)
+{
+ struct ncsi_package *np, *package;
+ struct ncsi_channel *nc, *channel;
+ u32 package_id, channel_id;
+ struct ncsi_dev_priv *ndp;
+ unsigned long flags;
+
+ if (!info || !info->attrs)
+ return -EINVAL;
+
+ if (!info->attrs[NCSI_ATTR_IFINDEX])
+ return -EINVAL;
+
+ if (!info->attrs[NCSI_ATTR_PACKAGE_ID])
+ return -EINVAL;
+
+ ndp = ndp_from_ifindex(get_net(sock_net(msg->sk)),
+ nla_get_u32(info->attrs[NCSI_ATTR_IFINDEX]));
+ if (!ndp)
+ return -ENODEV;
+
+ package_id = nla_get_u32(info->attrs[NCSI_ATTR_PACKAGE_ID]);
+ package = NULL;
+
+ spin_lock_irqsave(&ndp->lock, flags);
+
+ NCSI_FOR_EACH_PACKAGE(ndp, np)
+ if (np->id == package_id)
+ package = np;
+ if (!package) {
+ /* The user has set a package that does not exist */
+ return -ERANGE;
+ }
+
+ channel = NULL;
+ if (!info->attrs[NCSI_ATTR_CHANNEL_ID]) {
+ /* Allow any channel */
+ channel_id = NCSI_RESERVED_CHANNEL;
+ } else {
+ channel_id = nla_get_u32(info->attrs[NCSI_ATTR_CHANNEL_ID]);
+ NCSI_FOR_EACH_CHANNEL(package, nc)
+ if (nc->id == channel_id)
+ channel = nc;
+ }
+
+ if (channel_id != NCSI_RESERVED_CHANNEL && !channel) {
+ /* The user has set a channel that does not exist on this
+ * package
+ */
+ netdev_info(ndp->ndev.dev, "NCSI: Channel %u does not exist!\n",
+ channel_id);
+ return -ERANGE;
+ }
+
+ ndp->force_package = package;
+ ndp->force_channel = channel;
+ spin_unlock_irqrestore(&ndp->lock, flags);
+
+ netdev_info(ndp->ndev.dev, "Set package 0x%x, channel 0x%x%s as preferred\n",
+ package_id, channel_id,
+ channel_id == NCSI_RESERVED_CHANNEL ? " (any)" : "");
+
+ /* Bounce the NCSI channel to set changes */
+ ncsi_stop_dev(&ndp->ndev);
+ ncsi_start_dev(&ndp->ndev);
+
+ return 0;
+}
+
+static int ncsi_clear_interface_nl(struct sk_buff *msg, struct genl_info *info)
+{
+ struct ncsi_dev_priv *ndp;
+ unsigned long flags;
+
+ if (!info || !info->attrs)
+ return -EINVAL;
+
+ if (!info->attrs[NCSI_ATTR_IFINDEX])
+ return -EINVAL;
+
+ ndp = ndp_from_ifindex(get_net(sock_net(msg->sk)),
+ nla_get_u32(info->attrs[NCSI_ATTR_IFINDEX]));
+ if (!ndp)
+ return -ENODEV;
+
+ /* Clear any override */
+ spin_lock_irqsave(&ndp->lock, flags);
+ ndp->force_package = NULL;
+ ndp->force_channel = NULL;
+ spin_unlock_irqrestore(&ndp->lock, flags);
+ netdev_info(ndp->ndev.dev, "NCSI: Cleared preferred package/channel\n");
+
+ /* Bounce the NCSI channel to set changes */
+ ncsi_stop_dev(&ndp->ndev);
+ ncsi_start_dev(&ndp->ndev);
+
+ return 0;
+}
+
+static const struct genl_ops ncsi_ops[] = {
+ {
+ .cmd = NCSI_CMD_PKG_INFO,
+ .policy = ncsi_genl_policy,
+ .doit = ncsi_pkg_info_nl,
+ .dumpit = ncsi_pkg_info_all_nl,
+ .flags = 0,
+ },
+ {
+ .cmd = NCSI_CMD_SET_INTERFACE,
+ .policy = ncsi_genl_policy,
+ .doit = ncsi_set_interface_nl,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NCSI_CMD_CLEAR_INTERFACE,
+ .policy = ncsi_genl_policy,
+ .doit = ncsi_clear_interface_nl,
+ .flags = GENL_ADMIN_PERM,
+ },
+};
+
+static struct genl_family ncsi_genl_family __ro_after_init = {
+ .name = "NCSI",
+ .version = 0,
+ .maxattr = NCSI_ATTR_MAX,
+ .module = THIS_MODULE,
+ .ops = ncsi_ops,
+ .n_ops = ARRAY_SIZE(ncsi_ops),
+};
+
+int ncsi_init_netlink(struct net_device *dev)
+{
+ int rc;
+
+ rc = genl_register_family(&ncsi_genl_family);
+ if (rc)
+ netdev_err(dev, "ncsi: failed to register netlink family\n");
+
+ return rc;
+}
+
+int ncsi_unregister_netlink(struct net_device *dev)
+{
+ int rc;
+
+ rc = genl_unregister_family(&ncsi_genl_family);
+ if (rc)
+ netdev_err(dev, "ncsi: failed to unregister netlink family\n");
+
+ return rc;
+}
diff --git a/net/ncsi/ncsi-netlink.h b/net/ncsi/ncsi-netlink.h
new file mode 100644
index 000000000000..91a5c256f8c4
--- /dev/null
+++ b/net/ncsi/ncsi-netlink.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright Samuel Mendoza-Jonas, IBM Corporation 2018.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __NCSI_NETLINK_H__
+#define __NCSI_NETLINK_H__
+
+#include <linux/netdevice.h>
+
+#include "internal.h"
+
+int ncsi_init_netlink(struct net_device *dev);
+int ncsi_unregister_netlink(struct net_device *dev);
+
+#endif /* __NCSI_NETLINK_H__ */
diff --git a/net/ncsi/ncsi-rsp.c b/net/ncsi/ncsi-rsp.c
index bbedcf48d71c..42878d843c3c 100644
--- a/net/ncsi/ncsi-rsp.c
+++ b/net/ncsi/ncsi-rsp.c
@@ -146,7 +146,7 @@ static int ncsi_rsp_handler_ec(struct ncsi_request *nr)
ncm = &nc->modes[NCSI_MODE_ENABLE];
if (ncm->enable)
- return -EBUSY;
+ return 0;
ncm->enable = 1;
return 0;
@@ -173,7 +173,7 @@ static int ncsi_rsp_handler_dc(struct ncsi_request *nr)
ncm = &nc->modes[NCSI_MODE_ENABLE];
if (!ncm->enable)
- return -EBUSY;
+ return 0;
ncm->enable = 0;
return 0;
@@ -217,7 +217,7 @@ static int ncsi_rsp_handler_ecnt(struct ncsi_request *nr)
ncm = &nc->modes[NCSI_MODE_TX_ENABLE];
if (ncm->enable)
- return -EBUSY;
+ return 0;
ncm->enable = 1;
return 0;
@@ -239,7 +239,7 @@ static int ncsi_rsp_handler_dcnt(struct ncsi_request *nr)
ncm = &nc->modes[NCSI_MODE_TX_ENABLE];
if (!ncm->enable)
- return -EBUSY;
+ return 0;
ncm->enable = 1;
return 0;
@@ -263,7 +263,7 @@ static int ncsi_rsp_handler_ae(struct ncsi_request *nr)
/* Check if the AEN has been enabled */
ncm = &nc->modes[NCSI_MODE_AEN];
if (ncm->enable)
- return -EBUSY;
+ return 0;
/* Update to AEN configuration */
cmd = (struct ncsi_cmd_ae_pkt *)skb_network_header(nr->cmd);
@@ -334,9 +334,9 @@ static int ncsi_rsp_handler_svf(struct ncsi_request *nr)
struct ncsi_rsp_pkt *rsp;
struct ncsi_dev_priv *ndp = nr->ndp;
struct ncsi_channel *nc;
- struct ncsi_channel_filter *ncf;
- unsigned short vlan;
- int ret;
+ struct ncsi_channel_vlan_filter *ncf;
+ unsigned long flags;
+ void *bitmap;
/* Find the package and channel */
rsp = (struct ncsi_rsp_pkt *)skb_network_header(nr->rsp);
@@ -346,22 +346,23 @@ static int ncsi_rsp_handler_svf(struct ncsi_request *nr)
return -ENODEV;
cmd = (struct ncsi_cmd_svf_pkt *)skb_network_header(nr->cmd);
- ncf = nc->filters[NCSI_FILTER_VLAN];
- if (!ncf)
- return -ENOENT;
- if (cmd->index >= ncf->total)
+ ncf = &nc->vlan_filter;
+ if (cmd->index > ncf->n_vids)
return -ERANGE;
- /* Add or remove the VLAN filter */
+ /* Add or remove the VLAN filter. Remember HW indexes from 1 */
+ spin_lock_irqsave(&nc->lock, flags);
+ bitmap = &ncf->bitmap;
if (!(cmd->enable & 0x1)) {
- /* HW indexes from 1 */
- ret = ncsi_remove_filter(nc, NCSI_FILTER_VLAN, cmd->index - 1);
+ if (test_and_clear_bit(cmd->index - 1, bitmap))
+ ncf->vids[cmd->index - 1] = 0;
} else {
- vlan = ntohs(cmd->vlan);
- ret = ncsi_add_filter(nc, NCSI_FILTER_VLAN, &vlan);
+ set_bit(cmd->index - 1, bitmap);
+ ncf->vids[cmd->index - 1] = ntohs(cmd->vlan);
}
+ spin_unlock_irqrestore(&nc->lock, flags);
- return ret;
+ return 0;
}
static int ncsi_rsp_handler_ev(struct ncsi_request *nr)
@@ -382,7 +383,7 @@ static int ncsi_rsp_handler_ev(struct ncsi_request *nr)
/* Check if VLAN mode has been enabled */
ncm = &nc->modes[NCSI_MODE_VLAN];
if (ncm->enable)
- return -EBUSY;
+ return 0;
/* Update to VLAN mode */
cmd = (struct ncsi_cmd_ev_pkt *)skb_network_header(nr->cmd);
@@ -409,7 +410,7 @@ static int ncsi_rsp_handler_dv(struct ncsi_request *nr)
/* Check if VLAN mode has been enabled */
ncm = &nc->modes[NCSI_MODE_VLAN];
if (!ncm->enable)
- return -EBUSY;
+ return 0;
/* Update to VLAN mode */
ncm->enable = 0;
@@ -422,8 +423,12 @@ static int ncsi_rsp_handler_sma(struct ncsi_request *nr)
struct ncsi_rsp_pkt *rsp;
struct ncsi_dev_priv *ndp = nr->ndp;
struct ncsi_channel *nc;
- struct ncsi_channel_filter *ncf;
+ struct ncsi_channel_mac_filter *ncf;
+ unsigned long flags;
void *bitmap;
+ bool enabled;
+ int index;
+
/* Find the package and channel */
rsp = (struct ncsi_rsp_pkt *)skb_network_header(nr->rsp);
@@ -436,34 +441,23 @@ static int ncsi_rsp_handler_sma(struct ncsi_request *nr)
* isn't supported yet.
*/
cmd = (struct ncsi_cmd_sma_pkt *)skb_network_header(nr->cmd);
- switch (cmd->at_e >> 5) {
- case 0x0: /* UC address */
- ncf = nc->filters[NCSI_FILTER_UC];
- break;
- case 0x1: /* MC address */
- ncf = nc->filters[NCSI_FILTER_MC];
- break;
- default:
- return -EINVAL;
- }
+ enabled = cmd->at_e & 0x1;
+ ncf = &nc->mac_filter;
+ bitmap = &ncf->bitmap;
- /* Sanity check on the filter */
- if (!ncf)
- return -ENOENT;
- else if (cmd->index >= ncf->total)
+ if (cmd->index > ncf->n_uc + ncf->n_mc + ncf->n_mixed)
return -ERANGE;
- bitmap = &ncf->bitmap;
- if (cmd->at_e & 0x1) {
- if (test_and_set_bit(cmd->index, bitmap))
- return -EBUSY;
- memcpy(ncf->data + 6 * cmd->index, cmd->mac, 6);
+ index = (cmd->index - 1) * ETH_ALEN;
+ spin_lock_irqsave(&nc->lock, flags);
+ if (enabled) {
+ set_bit(cmd->index - 1, bitmap);
+ memcpy(&ncf->addrs[index], cmd->mac, ETH_ALEN);
} else {
- if (!test_and_clear_bit(cmd->index, bitmap))
- return -EBUSY;
-
- memset(ncf->data + 6 * cmd->index, 0, 6);
+ clear_bit(cmd->index - 1, bitmap);
+ memset(&ncf->addrs[index], 0, ETH_ALEN);
}
+ spin_unlock_irqrestore(&nc->lock, flags);
return 0;
}
@@ -485,7 +479,7 @@ static int ncsi_rsp_handler_ebf(struct ncsi_request *nr)
/* Check if broadcast filter has been enabled */
ncm = &nc->modes[NCSI_MODE_BC];
if (ncm->enable)
- return -EBUSY;
+ return 0;
/* Update to broadcast filter mode */
cmd = (struct ncsi_cmd_ebf_pkt *)skb_network_header(nr->cmd);
@@ -511,7 +505,7 @@ static int ncsi_rsp_handler_dbf(struct ncsi_request *nr)
/* Check if broadcast filter isn't enabled */
ncm = &nc->modes[NCSI_MODE_BC];
if (!ncm->enable)
- return -EBUSY;
+ return 0;
/* Update to broadcast filter mode */
ncm->enable = 0;
@@ -538,7 +532,7 @@ static int ncsi_rsp_handler_egmf(struct ncsi_request *nr)
/* Check if multicast filter has been enabled */
ncm = &nc->modes[NCSI_MODE_MC];
if (ncm->enable)
- return -EBUSY;
+ return 0;
/* Update to multicast filter mode */
cmd = (struct ncsi_cmd_egmf_pkt *)skb_network_header(nr->cmd);
@@ -564,7 +558,7 @@ static int ncsi_rsp_handler_dgmf(struct ncsi_request *nr)
/* Check if multicast filter has been enabled */
ncm = &nc->modes[NCSI_MODE_MC];
if (!ncm->enable)
- return -EBUSY;
+ return 0;
/* Update to multicast filter mode */
ncm->enable = 0;
@@ -591,7 +585,7 @@ static int ncsi_rsp_handler_snfc(struct ncsi_request *nr)
/* Check if flow control has been enabled */
ncm = &nc->modes[NCSI_MODE_FC];
if (ncm->enable)
- return -EBUSY;
+ return 0;
/* Update to flow control mode */
cmd = (struct ncsi_cmd_snfc_pkt *)skb_network_header(nr->cmd);
@@ -634,9 +628,7 @@ static int ncsi_rsp_handler_gc(struct ncsi_request *nr)
struct ncsi_rsp_gc_pkt *rsp;
struct ncsi_dev_priv *ndp = nr->ndp;
struct ncsi_channel *nc;
- struct ncsi_channel_filter *ncf;
- size_t size, entry_size;
- int cnt, i;
+ size_t size;
/* Find the channel */
rsp = (struct ncsi_rsp_gc_pkt *)skb_network_header(nr->rsp);
@@ -658,64 +650,40 @@ static int ncsi_rsp_handler_gc(struct ncsi_request *nr)
nc->caps[NCSI_CAP_VLAN].cap = rsp->vlan_mode &
NCSI_CAP_VLAN_MASK;
- /* Build filters */
- for (i = 0; i < NCSI_FILTER_MAX; i++) {
- switch (i) {
- case NCSI_FILTER_VLAN:
- cnt = rsp->vlan_cnt;
- entry_size = 2;
- break;
- case NCSI_FILTER_MIXED:
- cnt = rsp->mixed_cnt;
- entry_size = 6;
- break;
- case NCSI_FILTER_MC:
- cnt = rsp->mc_cnt;
- entry_size = 6;
- break;
- case NCSI_FILTER_UC:
- cnt = rsp->uc_cnt;
- entry_size = 6;
- break;
- default:
- continue;
- }
-
- if (!cnt || nc->filters[i])
- continue;
-
- size = sizeof(*ncf) + cnt * entry_size;
- ncf = kzalloc(size, GFP_ATOMIC);
- if (!ncf) {
- pr_warn("%s: Cannot alloc filter table (%d)\n",
- __func__, i);
- return -ENOMEM;
- }
-
- ncf->index = i;
- ncf->total = cnt;
- if (i == NCSI_FILTER_VLAN) {
- /* Set VLAN filters active so they are cleared in
- * first configuration state
- */
- ncf->bitmap = U64_MAX;
- } else {
- ncf->bitmap = 0x0ul;
- }
- nc->filters[i] = ncf;
- }
+ size = (rsp->uc_cnt + rsp->mc_cnt + rsp->mixed_cnt) * ETH_ALEN;
+ nc->mac_filter.addrs = kzalloc(size, GFP_ATOMIC);
+ if (!nc->mac_filter.addrs)
+ return -ENOMEM;
+ nc->mac_filter.n_uc = rsp->uc_cnt;
+ nc->mac_filter.n_mc = rsp->mc_cnt;
+ nc->mac_filter.n_mixed = rsp->mixed_cnt;
+
+ nc->vlan_filter.vids = kcalloc(rsp->vlan_cnt,
+ sizeof(*nc->vlan_filter.vids),
+ GFP_ATOMIC);
+ if (!nc->vlan_filter.vids)
+ return -ENOMEM;
+ /* Set VLAN filters active so they are cleared in the first
+ * configuration state
+ */
+ nc->vlan_filter.bitmap = U64_MAX;
+ nc->vlan_filter.n_vids = rsp->vlan_cnt;
return 0;
}
static int ncsi_rsp_handler_gp(struct ncsi_request *nr)
{
- struct ncsi_rsp_gp_pkt *rsp;
+ struct ncsi_channel_vlan_filter *ncvf;
+ struct ncsi_channel_mac_filter *ncmf;
struct ncsi_dev_priv *ndp = nr->ndp;
+ struct ncsi_rsp_gp_pkt *rsp;
struct ncsi_channel *nc;
- unsigned short enable, vlan;
+ unsigned short enable;
unsigned char *pdata;
- int table, i;
+ unsigned long flags;
+ void *bitmap;
+ int i;
/* Find the channel */
rsp = (struct ncsi_rsp_gp_pkt *)skb_network_header(nr->rsp);
@@ -749,36 +717,33 @@ static int ncsi_rsp_handler_gp(struct ncsi_request *nr)
/* MAC addresses filter table */
pdata = (unsigned char *)rsp + 48;
enable = rsp->mac_enable;
+ ncmf = &nc->mac_filter;
+ spin_lock_irqsave(&nc->lock, flags);
+ bitmap = &ncmf->bitmap;
for (i = 0; i < rsp->mac_cnt; i++, pdata += 6) {
- if (i >= (nc->filters[NCSI_FILTER_UC]->total +
- nc->filters[NCSI_FILTER_MC]->total))
- table = NCSI_FILTER_MIXED;
- else if (i >= nc->filters[NCSI_FILTER_UC]->total)
- table = NCSI_FILTER_MC;
- else
- table = NCSI_FILTER_UC;
-
if (!(enable & (0x1 << i)))
- continue;
-
- if (ncsi_find_filter(nc, table, pdata) >= 0)
- continue;
+ clear_bit(i, bitmap);
+ else
+ set_bit(i, bitmap);
- ncsi_add_filter(nc, table, pdata);
+ memcpy(&ncmf->addrs[i * ETH_ALEN], pdata, ETH_ALEN);
}
+ spin_unlock_irqrestore(&nc->lock, flags);
/* VLAN filter table */
enable = ntohs(rsp->vlan_enable);
+ ncvf = &nc->vlan_filter;
+ bitmap = &ncvf->bitmap;
+ spin_lock_irqsave(&nc->lock, flags);
for (i = 0; i < rsp->vlan_cnt; i++, pdata += 2) {
if (!(enable & (0x1 << i)))
- continue;
-
- vlan = ntohs(*(__be16 *)pdata);
- if (ncsi_find_filter(nc, NCSI_FILTER_VLAN, &vlan) >= 0)
- continue;
+ clear_bit(i, bitmap);
+ else
+ set_bit(i, bitmap);
- ncsi_add_filter(nc, NCSI_FILTER_VLAN, &vlan);
+ ncvf->vids[i] = ntohs(*(__be16 *)pdata);
}
+ spin_unlock_irqrestore(&nc->lock, flags);
return 0;
}
@@ -1032,11 +997,19 @@ int ncsi_rcv_rsp(struct sk_buff *skb, struct net_device *dev,
if (payload < 0)
payload = ntohs(hdr->length);
ret = ncsi_validate_rsp_pkt(nr, payload);
- if (ret)
+ if (ret) {
+ netdev_warn(ndp->ndev.dev,
+ "NCSI: 'bad' packet ignored for type 0x%x\n",
+ hdr->type);
goto out;
+ }
/* Process the packet */
ret = nrh->handler(nr);
+ if (ret)
+ netdev_err(ndp->ndev.dev,
+ "NCSI: Handler for packet type 0x%x returned %d\n",
+ hdr->type, ret);
out:
ncsi_free_request(nr);
return ret;
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index 43a22968e866..e1b1e6a0f887 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -638,7 +638,7 @@ void xt_compat_match_from_user(struct xt_entry_match *m, void **dstptr,
{
const struct xt_match *match = m->u.kernel.match;
struct compat_xt_entry_match *cm = (struct compat_xt_entry_match *)m;
- int pad, off = xt_compat_match_offset(match);
+ int off = xt_compat_match_offset(match);
u_int16_t msize = cm->u.user.match_size;
char name[sizeof(m->u.user.name)];
@@ -648,9 +648,6 @@ void xt_compat_match_from_user(struct xt_entry_match *m, void **dstptr,
match->compat_from_user(m->data, cm->data);
else
memcpy(m->data, cm->data, msize - sizeof(*cm));
- pad = XT_ALIGN(match->matchsize) - match->matchsize;
- if (pad > 0)
- memset(m->data + match->matchsize, 0, pad);
msize += off;
m->u.user.match_size = msize;
@@ -993,7 +990,7 @@ void xt_compat_target_from_user(struct xt_entry_target *t, void **dstptr,
{
const struct xt_target *target = t->u.kernel.target;
struct compat_xt_entry_target *ct = (struct compat_xt_entry_target *)t;
- int pad, off = xt_compat_target_offset(target);
+ int off = xt_compat_target_offset(target);
u_int16_t tsize = ct->u.user.target_size;
char name[sizeof(t->u.user.name)];
@@ -1003,9 +1000,6 @@ void xt_compat_target_from_user(struct xt_entry_target *t, void **dstptr,
target->compat_from_user(t->data, ct->data);
else
memcpy(t->data, ct->data, tsize - sizeof(*ct));
- pad = XT_ALIGN(target->targetsize) - target->targetsize;
- if (pad > 0)
- memset(t->data + target->targetsize, 0, pad);
tsize += off;
t->u.user.target_size = tsize;
diff --git a/net/nfc/llcp_sock.c b/net/nfc/llcp_sock.c
index 694a43c05eb9..0c2c88a2f0b0 100644
--- a/net/nfc/llcp_sock.c
+++ b/net/nfc/llcp_sock.c
@@ -120,11 +120,13 @@ static int llcp_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
llcp_sock->service_name_len,
GFP_KERNEL);
if (!llcp_sock->service_name) {
+ nfc_llcp_local_put(llcp_sock->local);
ret = -ENOMEM;
goto put_dev;
}
llcp_sock->ssap = nfc_llcp_get_sdp_ssap(local, llcp_sock);
if (llcp_sock->ssap == LLCP_SAP_MAX) {
+ nfc_llcp_local_put(llcp_sock->local);
kfree(llcp_sock->service_name);
llcp_sock->service_name = NULL;
ret = -EADDRINUSE;
@@ -684,6 +686,10 @@ static int llcp_sock_connect(struct socket *sock, struct sockaddr *_addr,
ret = -EISCONN;
goto error;
}
+ if (sk->sk_state == LLCP_CONNECTING) {
+ ret = -EINPROGRESS;
+ goto error;
+ }
dev = nfc_get_device(addr->dev_idx);
if (dev == NULL) {
@@ -715,6 +721,7 @@ static int llcp_sock_connect(struct socket *sock, struct sockaddr *_addr,
llcp_sock->local = nfc_llcp_local_get(local);
llcp_sock->ssap = nfc_llcp_get_local_ssap(local);
if (llcp_sock->ssap == LLCP_SAP_MAX) {
+ nfc_llcp_local_put(llcp_sock->local);
ret = -ENOMEM;
goto put_dev;
}
@@ -752,8 +759,11 @@ static int llcp_sock_connect(struct socket *sock, struct sockaddr *_addr,
sock_unlink:
nfc_llcp_put_ssap(local, llcp_sock->ssap);
+ nfc_llcp_local_put(llcp_sock->local);
nfc_llcp_sock_unlink(&local->connecting_sockets, sk);
+ kfree(llcp_sock->service_name);
+ llcp_sock->service_name = NULL;
put_dev:
nfc_put_device(dev);
diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index 9fe6b427afed..5d8c095ec5ec 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -138,6 +138,9 @@ teql_destroy(struct Qdisc *sch)
struct teql_sched_data *dat = qdisc_priv(sch);
struct teql_master *master = dat->m;
+ if (!master)
+ return;
+
prev = master->slaves;
if (prev) {
do {
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 44ede9ab7898..6fd5e1a7a336 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -840,7 +840,7 @@ void tipc_sk_mcast_rcv(struct net *net, struct sk_buff_head *arrvq,
spin_lock_bh(&inputq->lock);
if (skb_peek(arrvq) == skb) {
skb_queue_splice_tail_init(&tmpq, inputq);
- kfree_skb(__skb_dequeue(arrvq));
+ __skb_dequeue(arrvq);
}
spin_unlock_bh(&inputq->lock);
__skb_queue_purge(&tmpq);
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 8344153800e2..c9158360154a 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -530,7 +530,7 @@ static int cfg80211_sme_connect(struct wireless_dev *wdev,
cfg80211_sme_free(wdev);
}
- if (WARN_ON(wdev->conn))
+ if (wdev->conn)
return -EINPROGRESS;
wdev->conn = kzalloc(sizeof(*wdev->conn), GFP_KERNEL);
diff --git a/sound/drivers/aloop.c b/sound/drivers/aloop.c
index dfd30a80ece8..8a32a276bd70 100644
--- a/sound/drivers/aloop.c
+++ b/sound/drivers/aloop.c
@@ -1062,6 +1062,14 @@ static int loopback_mixer_new(struct loopback *loopback, int notify)
return -ENOMEM;
kctl->id.device = dev;
kctl->id.subdevice = substr;
+
+ /* Add the control before copying the id so that
+ * the numid field of the id is set in the copy.
+ */
+ err = snd_ctl_add(card, kctl);
+ if (err < 0)
+ return err;
+
switch (idx) {
case ACTIVE_IDX:
setup->active_id = kctl->id;
@@ -1078,9 +1086,6 @@ static int loopback_mixer_new(struct loopback *loopback, int notify)
default:
break;
}
- err = snd_ctl_add(card, kctl);
- if (err < 0)
- return err;
}
}
}
diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c
index 9ed455700954..228ab7bd314d 100644
--- a/sound/soc/codecs/wm8960.c
+++ b/sound/soc/codecs/wm8960.c
@@ -710,7 +710,13 @@ int wm8960_configure_pll(struct snd_soc_codec *codec, int freq_in,
best_freq_out = -EINVAL;
*sysclk_idx = *dac_idx = *bclk_idx = -1;
- for (i = 0; i < ARRAY_SIZE(sysclk_divs); ++i) {
+ /*
+ * From Datasheet, the PLL performs best when f2 is between
+ * 90MHz and 100MHz, the desired sysclk output is 11.2896MHz
+ * or 12.288MHz, then sysclkdiv = 2 is the best choice.
+ * So search sysclk_divs from 2 to 1 other than from 1 to 2.
+ */
+ for (i = ARRAY_SIZE(sysclk_divs) - 1; i >= 0; --i) {
if (sysclk_divs[i] == -1)
continue;
for (j = 0; j < ARRAY_SIZE(dac_divs); ++j) {
diff --git a/sound/soc/intel/atom/sst-mfld-platform-pcm.c b/sound/soc/intel/atom/sst-mfld-platform-pcm.c
index 3a645fc425cd..cdc0f22a57ee 100644
--- a/sound/soc/intel/atom/sst-mfld-platform-pcm.c
+++ b/sound/soc/intel/atom/sst-mfld-platform-pcm.c
@@ -508,14 +508,14 @@ static struct snd_soc_dai_driver sst_platform_dai[] = {
.channels_min = SST_STEREO,
.channels_max = SST_STEREO,
.rates = SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000,
- .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.capture = {
.stream_name = "Headset Capture",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000,
- .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
},
},
{
@@ -526,7 +526,7 @@ static struct snd_soc_dai_driver sst_platform_dai[] = {
.channels_min = SST_STEREO,
.channels_max = SST_STEREO,
.rates = SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000,
- .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
},
},
{
diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
index baa9007464ed..700779ca82d0 100644
--- a/sound/soc/sunxi/sun4i-codec.c
+++ b/sound/soc/sunxi/sun4i-codec.c
@@ -1199,6 +1199,7 @@ static struct snd_soc_card *sun4i_codec_create_card(struct device *dev)
return ERR_PTR(-ENOMEM);
card->dev = dev;
+ card->owner = THIS_MODULE;
card->name = "sun4i-codec";
card->dapm_widgets = sun4i_codec_card_dapm_widgets;
card->num_dapm_widgets = ARRAY_SIZE(sun4i_codec_card_dapm_widgets);
@@ -1231,6 +1232,7 @@ static struct snd_soc_card *sun6i_codec_create_card(struct device *dev)
return ERR_PTR(-ENOMEM);
card->dev = dev;
+ card->owner = THIS_MODULE;
card->name = "A31 Audio Codec";
card->dapm_widgets = sun6i_codec_card_dapm_widgets;
card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
@@ -1284,6 +1286,7 @@ static struct snd_soc_card *sun8i_a23_codec_create_card(struct device *dev)
return ERR_PTR(-ENOMEM);
card->dev = dev;
+ card->owner = THIS_MODULE;
card->name = "A23 Audio Codec";
card->dapm_widgets = sun6i_codec_card_dapm_widgets;
card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
@@ -1322,6 +1325,7 @@ static struct snd_soc_card *sun8i_h3_codec_create_card(struct device *dev)
return ERR_PTR(-ENOMEM);
card->dev = dev;
+ card->owner = THIS_MODULE;
card->name = "H3 Audio Codec";
card->dapm_widgets = sun6i_codec_card_dapm_widgets;
card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
@@ -1360,6 +1364,7 @@ static struct snd_soc_card *sun8i_v3s_codec_create_card(struct device *dev)
return ERR_PTR(-ENOMEM);
card->dev = dev;
+ card->owner = THIS_MODULE;
card->name = "V3s Audio Codec";
card->dapm_widgets = sun6i_codec_card_dapm_widgets;
card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index a49f27aa0c95..9d42a2821ecb 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -93,8 +93,7 @@ static inline bool replace_android_lib(const char *filename, char *newfilename)
if (!strncmp(filename, "/system/lib/", 12)) {
char *ndk, *app;
const char *arch;
- size_t ndk_length;
- size_t app_length;
+ int ndk_length, app_length;
ndk = getenv("NDK_ROOT");
app = getenv("APP_PLATFORM");
@@ -122,8 +121,8 @@ static inline bool replace_android_lib(const char *filename, char *newfilename)
if (new_length > PATH_MAX)
return false;
snprintf(newfilename, new_length,
- "%s/platforms/%s/arch-%s/usr/lib/%s",
- ndk, app, arch, libname);
+ "%.*s/platforms/%.*s/arch-%s/usr/lib/%s",
+ ndk_length, ndk, app_length, app, arch, libname);
return true;
}
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