Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
authorLinus Torvalds <torvalds@linux-foundation.org>
Mon, 21 Nov 2011 20:10:47 +0000 (12:10 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Mon, 21 Nov 2011 20:10:47 +0000 (12:10 -0800)
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  VFS: Log the fact that we've given ELOOP rather than creating a loop
  minixfs: kill manual hweight(), simplify
  fs/minix: Verify bitmap block counts before mounting

120 files changed:
Documentation/networking/ip-sysctl.txt
MAINTAINERS
arch/arm/boot/Makefile
arch/arm/include/asm/hardware/cache-l2x0.h
arch/arm/include/asm/mach/arch.h
arch/arm/include/asm/unistd.h
arch/arm/kernel/calls.S
arch/arm/kernel/head.S
arch/arm/kernel/machine_kexec.c
arch/arm/kernel/setup.c
arch/arm/mach-bcmring/core.c
arch/arm/mach-bcmring/dma.c
arch/arm/mach-shmobile/pm-sh7372.c
arch/arm/mach-w90x900/dev.c
arch/arm/mach-w90x900/include/mach/mfp.h
arch/arm/mach-w90x900/include/mach/nuc900_spi.h
arch/arm/mach-w90x900/mfp.c
arch/cris/arch-v10/drivers/Kconfig
arch/cris/arch-v32/drivers/Kconfig
arch/powerpc/include/asm/kvm.h
arch/powerpc/include/asm/kvm_book3s.h
arch/powerpc/kvm/book3s_pr.c
arch/powerpc/kvm/powerpc.c
arch/s390/include/asm/kvm_host.h
arch/s390/kvm/diag.c
arch/s390/kvm/intercept.c
arch/s390/kvm/interrupt.c
arch/s390/kvm/kvm-s390.c
arch/s390/kvm/priv.c
arch/s390/kvm/sigp.c
arch/x86/kernel/kvmclock.c
arch/x86/kvm/vmx.c
arch/x86/um/asm/processor.h
drivers/base/core.c
drivers/base/power/clock_ops.c
drivers/base/power/main.c
drivers/base/power/qos.c
drivers/bluetooth/btusb.c
drivers/devfreq/Kconfig
drivers/devfreq/devfreq.c
drivers/hwmon/Kconfig
drivers/net/Kconfig
drivers/net/bonding/bond_sysfs.c
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
drivers/net/ethernet/cadence/Kconfig
drivers/net/ethernet/lantiq_etop.c
drivers/net/ethernet/marvell/sky2.c
drivers/net/ethernet/marvell/sky2.h
drivers/net/ethernet/mellanox/mlx4/en_rx.c
drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
drivers/net/ethernet/nvidia/forcedeth.c
drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c
drivers/net/ethernet/rdc/r6040.c
drivers/net/ethernet/realtek/r8169.c
drivers/net/ethernet/smsc/smsc911x.c
drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c
drivers/net/ethernet/stmicro/stmmac/stmmac.h
drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
drivers/net/ethernet/sun/sunhme.c
drivers/net/ethernet/xilinx/ll_temac_main.c
drivers/net/hippi/Kconfig
drivers/net/usb/asix.c
drivers/net/usb/cdc_ether.c
drivers/net/usb/lg-vl600.c
drivers/net/usb/smsc75xx.c
drivers/net/wireless/ath/regd.c
drivers/net/wireless/b43/xmit.c
drivers/net/wireless/b43/xmit.h
drivers/net/wireless/brcm80211/brcmsmac/dma.c
drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
drivers/net/wireless/libertas/cfg.c
drivers/net/wireless/libertas/if_spi.c
drivers/net/wireless/mwifiex/scan.c
drivers/net/wireless/rt2x00/rt2800usb.c
drivers/net/wireless/rt2x00/rt2x00.h
drivers/net/wireless/rt2x00/rt2x00dev.c
drivers/net/wireless/wl12xx/scan.c
drivers/s390/net/Kconfig
drivers/s390/net/lcs.c
drivers/s390/net/netiucv.c
drivers/s390/net/qeth_core.h
drivers/s390/net/qeth_core_main.c
drivers/s390/net/qeth_l3_main.c
drivers/s390/net/qeth_l3_sys.c
drivers/spi/spi-pl022.c
drivers/usb/gadget/f_phonet.c
include/linux/device.h
include/linux/inet_diag.h
include/linux/kvm.h
include/linux/pm.h
include/linux/pm_runtime.h
include/net/bluetooth/l2cap.h
include/net/cfg80211.h
kernel/power/hibernate.c
kernel/power/main.c
net/bluetooth/hci_conn.c
net/bluetooth/l2cap_core.c
net/bridge/br_multicast.c
net/ipv4/ah4.c
net/ipv4/inet_diag.c
net/ipv4/ip_options.c
net/ipv4/ping.c
net/ipv4/route.c
net/ipv4/tcp_ipv4.c
net/ipv4/tcp_output.c
net/ipv6/ah6.c
net/ipv6/ip6_input.c
net/ipv6/ip6_tunnel.c
net/l2tp/l2tp_core.c
net/mac80211/mlme.c
net/mac80211/rx.c
net/mac80211/sta_info.c
net/mac80211/util.c
net/rds/Kconfig
net/wireless/nl80211.c
net/wireless/reg.c
net/wireless/scan.c

index cb7f314..f049a1c 100644 (file)
@@ -20,7 +20,7 @@ ip_no_pmtu_disc - BOOLEAN
        default FALSE
 
 min_pmtu - INTEGER
-       default 562 - minimum discovered Path MTU
+       default 552 - minimum discovered Path MTU
 
 route/max_size - INTEGER
        Maximum number of routes allowed in the kernel.  Increase
index 1e7cc42..29f9948 100644 (file)
@@ -2586,7 +2586,7 @@ S:        Maintained
 F:     drivers/net/ethernet/i825xx/eexpress.*
 
 ETHERNET BRIDGE
-M:     Stephen Hemminger <shemminger@linux-foundation.org>
+M:     Stephen Hemminger <shemminger@vyatta.com>
 L:     bridge@lists.linux-foundation.org
 L:     netdev@vger.kernel.org
 W:     http://www.linuxfoundation.org/en/Net:Bridge
@@ -4473,7 +4473,7 @@ S:        Supported
 F:     drivers/infiniband/hw/nes/
 
 NETEM NETWORK EMULATOR
-M:     Stephen Hemminger <shemminger@linux-foundation.org>
+M:     Stephen Hemminger <shemminger@vyatta.com>
 L:     netem@lists.linux-foundation.org
 S:     Maintained
 F:     net/sched/sch_netem.c
@@ -5988,7 +5988,7 @@ S:        Maintained
 F:     drivers/usb/misc/sisusbvga/
 
 SKGE, SKY2 10/100/1000 GIGABIT ETHERNET DRIVERS
-M:     Stephen Hemminger <shemminger@linux-foundation.org>
+M:     Stephen Hemminger <shemminger@vyatta.com>
 L:     netdev@vger.kernel.org
 S:     Maintained
 F:     drivers/net/ethernet/marvell/sk*
index 176062a..5df26a9 100644 (file)
@@ -65,6 +65,8 @@ $(obj)/%.dtb: $(src)/dts/%.dts
 
 $(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y))
 
+clean-files := *.dtb
+
 quiet_cmd_uimage = UIMAGE  $@
       cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \
                   -C none -a $(LOADADDR) -e $(STARTADDR) \
index 1db1143..7df239b 100644 (file)
@@ -20,6 +20,8 @@
 #ifndef __ASM_ARM_HARDWARE_L2X0_H
 #define __ASM_ARM_HARDWARE_L2X0_H
 
+#include <linux/errno.h>
+
 #define L2X0_CACHE_ID                  0x000
 #define L2X0_CACHE_TYPE                        0x004
 #define L2X0_CTRL                      0x100
index 7d19425..2b0efc3 100644 (file)
@@ -13,6 +13,7 @@
 struct tag;
 struct meminfo;
 struct sys_timer;
+struct pt_regs;
 
 struct machine_desc {
        unsigned int            nr;             /* architecture number  */
index c60a294..4a11237 100644 (file)
 #define __NR_syncfs                    (__NR_SYSCALL_BASE+373)
 #define __NR_sendmmsg                  (__NR_SYSCALL_BASE+374)
 #define __NR_setns                     (__NR_SYSCALL_BASE+375)
+#define __NR_process_vm_readv          (__NR_SYSCALL_BASE+376)
+#define __NR_process_vm_writev         (__NR_SYSCALL_BASE+377)
 
 /*
  * The following SWIs are ARM private.
index 9943e9e..463ff4a 100644 (file)
                CALL(sys_syncfs)
                CALL(sys_sendmmsg)
 /* 375 */      CALL(sys_setns)
+               CALL(sys_process_vm_readv)
+               CALL(sys_process_vm_writev)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted
index 566c54c..08c82fd 100644 (file)
@@ -360,7 +360,7 @@ __secondary_data:
  *  r13 = *virtual* address to jump to upon completion
  */
 __enable_mmu:
-#ifdef CONFIG_ALIGNMENT_TRAP
+#if defined(CONFIG_ALIGNMENT_TRAP) && __LINUX_ARM_ARCH__ < 6
        orr     r0, r0, #CR_A
 #else
        bic     r0, r0, #CR_A
index c1b4463..e59bbd4 100644 (file)
@@ -32,24 +32,6 @@ static atomic_t waiting_for_crash_ipi;
 
 int machine_kexec_prepare(struct kimage *image)
 {
-       unsigned long page_list;
-       void *reboot_code_buffer;
-       page_list = image->head & PAGE_MASK;
-
-       reboot_code_buffer = page_address(image->control_code_page);
-
-       /* Prepare parameters for reboot_code_buffer*/
-       kexec_start_address = image->start;
-       kexec_indirection_page = page_list;
-       kexec_mach_type = machine_arch_type;
-       kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET;
-
-       /* copy our kernel relocation code to the control code page */
-       memcpy(reboot_code_buffer,
-              relocate_new_kernel, relocate_new_kernel_size);
-
-       flush_icache_range((unsigned long) reboot_code_buffer,
-                          (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
        return 0;
 }
 
@@ -100,14 +82,31 @@ void (*kexec_reinit)(void);
 
 void machine_kexec(struct kimage *image)
 {
+       unsigned long page_list;
        unsigned long reboot_code_buffer_phys;
        void *reboot_code_buffer;
 
+
+       page_list = image->head & PAGE_MASK;
+
        /* we need both effective and real address here */
        reboot_code_buffer_phys =
            page_to_pfn(image->control_code_page) << PAGE_SHIFT;
        reboot_code_buffer = page_address(image->control_code_page);
 
+       /* Prepare parameters for reboot_code_buffer*/
+       kexec_start_address = image->start;
+       kexec_indirection_page = page_list;
+       kexec_mach_type = machine_arch_type;
+       kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET;
+
+       /* copy our kernel relocation code to the control code page */
+       memcpy(reboot_code_buffer,
+              relocate_new_kernel, relocate_new_kernel_size);
+
+
+       flush_icache_range((unsigned long) reboot_code_buffer,
+                          (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
        printk(KERN_INFO "Bye!\n");
 
        if (kexec_reinit)
index 7e7977a..3448a3f 100644 (file)
@@ -461,8 +461,10 @@ static void __init setup_processor(void)
               cpu_name, read_cpuid_id(), read_cpuid_id() & 15,
               proc_arch[cpu_architecture()], cr_alignment);
 
-       sprintf(init_utsname()->machine, "%s%c", list->arch_name, ENDIANNESS);
-       sprintf(elf_platform, "%s%c", list->elf_name, ENDIANNESS);
+       snprintf(init_utsname()->machine, __NEW_UTS_LEN + 1, "%s%c",
+                list->arch_name, ENDIANNESS);
+       snprintf(elf_platform, ELF_PLATFORM_SIZE, "%s%c",
+                list->elf_name, ENDIANNESS);
        elf_hwcap = list->elf_hwcap;
 #ifndef CONFIG_ARM_THUMB
        elf_hwcap &= ~HWCAP_THUMB;
index 43eadbc..430da12 100644 (file)
@@ -235,7 +235,7 @@ void __init bcmring_init_timer(void)
         */
        bcmring_clocksource_init();
 
-       sp804_clockevents_register(TIMER0_VA_BASE, IRQ_TIMER0, "timer0");
+       sp804_clockevents_init(TIMER0_VA_BASE, IRQ_TIMER0, "timer0");
 }
 
 struct sys_timer bcmring_timer = {
index b52b8de..f4d4d6d 100644 (file)
@@ -36,6 +36,7 @@
 #include <linux/mm.h>
 #include <linux/pfn.h>
 #include <linux/atomic.h>
+#include <linux/sched.h>
 #include <mach/dma.h>
 
 /* I don't quite understand why dc4 fails when this is set to 1 and DMA is enabled */
index 0a5b229..34bbcbf 100644 (file)
@@ -20,6 +20,7 @@
 #include <linux/delay.h>
 #include <linux/irq.h>
 #include <linux/bitrev.h>
+#include <linux/console.h>
 #include <asm/system.h>
 #include <asm/io.h>
 #include <asm/tlbflush.h>
@@ -106,9 +107,8 @@ static int pd_power_down(struct generic_pm_domain *genpd)
        return 0;
 }
 
-static int pd_power_up(struct generic_pm_domain *genpd)
+static int __pd_power_up(struct sh7372_pm_domain *sh7372_pd, bool do_resume)
 {
-       struct sh7372_pm_domain *sh7372_pd = to_sh7372_pd(genpd);
        unsigned int mask = 1 << sh7372_pd->bit_shift;
        unsigned int retry_count;
        int ret = 0;
@@ -123,13 +123,13 @@ static int pd_power_up(struct generic_pm_domain *genpd)
 
        for (retry_count = 2 * PSTR_RETRIES; retry_count; retry_count--) {
                if (!(__raw_readl(SWUCR) & mask))
-                       goto out;
+                       break;
                if (retry_count > PSTR_RETRIES)
                        udelay(PSTR_DELAY_US);
                else
                        cpu_relax();
        }
-       if (__raw_readl(SWUCR) & mask)
+       if (!retry_count)
                ret = -EIO;
 
        if (!sh7372_pd->no_debug)
@@ -137,12 +137,17 @@ static int pd_power_up(struct generic_pm_domain *genpd)
                         mask, __raw_readl(PSTR));
 
  out:
-       if (ret == 0 && sh7372_pd->resume)
+       if (ret == 0 && sh7372_pd->resume && do_resume)
                sh7372_pd->resume();
 
        return ret;
 }
 
+static int pd_power_up(struct generic_pm_domain *genpd)
+{
+        return __pd_power_up(to_sh7372_pd(genpd), true);
+}
+
 static void sh7372_a4r_suspend(void)
 {
        sh7372_intcs_suspend();
@@ -174,7 +179,7 @@ void sh7372_init_pm_domain(struct sh7372_pm_domain *sh7372_pd)
        genpd->active_wakeup = pd_active_wakeup;
        genpd->power_off = pd_power_down;
        genpd->power_on = pd_power_up;
-       genpd->power_on(&sh7372_pd->genpd);
+       __pd_power_up(sh7372_pd, false);
 }
 
 void sh7372_add_device_to_domain(struct sh7372_pm_domain *sh7372_pd,
@@ -227,11 +232,23 @@ struct sh7372_pm_domain sh7372_a3sp = {
        .no_debug = true,
 };
 
+static void sh7372_a3sp_init(void)
+{
+       /* serial consoles make use of SCIF hardware located in A3SP,
+        * keep such power domain on if "no_console_suspend" is set.
+        */
+       sh7372_a3sp.stay_on = !console_suspend_enabled;
+}
+
 struct sh7372_pm_domain sh7372_a3sg = {
        .bit_shift = 13,
 };
 
-#endif /* CONFIG_PM */
+#else /* !CONFIG_PM */
+
+static inline void sh7372_a3sp_init(void) {}
+
+#endif /* !CONFIG_PM */
 
 #if defined(CONFIG_SUSPEND) || defined(CONFIG_CPU_IDLE)
 static int sh7372_do_idle_core_standby(unsigned long unused)
@@ -465,6 +482,8 @@ void __init sh7372_pm_init(void)
        /* do not convert A3SM, A3SP, A3SG, A4R power down into A4S */
        __raw_writel(0, PDNSEL);
 
+       sh7372_a3sp_init();
+
        sh7372_suspend_init();
        sh7372_cpuidle_init();
 }
index 7a1fa6a..5b0c38a 100644 (file)
@@ -422,7 +422,7 @@ struct platform_device nuc900_device_kpi = {
 
 /* LCD controller*/
 
-static struct nuc900fb_display __initdata nuc900_lcd_info[] = {
+static struct nuc900fb_display nuc900_lcd_info[] = {
        /* Giantplus Technology GPM1040A0 320x240 Color TFT LCD */
        [0] = {
                .type           = LCM_DCCS_VA_SRC_RGB565,
@@ -445,7 +445,7 @@ static struct nuc900fb_display __initdata nuc900_lcd_info[] = {
        },
 };
 
-static struct nuc900fb_mach_info nuc900_fb_info __initdata = {
+static struct nuc900fb_mach_info nuc900_fb_info = {
 #if defined(CONFIG_GPM1040A0_320X240)
        .displays               = &nuc900_lcd_info[0],
 #else
index 94c0e71..23ef1f5 100644 (file)
@@ -19,6 +19,7 @@
 extern void mfp_set_groupf(struct device *dev);
 extern void mfp_set_groupc(struct device *dev);
 extern void mfp_set_groupi(struct device *dev);
-extern void mfp_set_groupg(struct device *dev);
+extern void mfp_set_groupg(struct device *dev, const char *subname);
+extern void mfp_set_groupd(struct device *dev, const char *subname);
 
 #endif /* __ASM_ARCH_MFP_H */
index bd94819..2c4e0c1 100644 (file)
@@ -14,7 +14,7 @@
 #ifndef __ASM_ARCH_SPI_H
 #define __ASM_ARCH_SPI_H
 
-extern void mfp_set_groupg(struct device *dev);
+extern void mfp_set_groupg(struct device *dev, const char *subname);
 
 struct nuc900_spi_info {
        unsigned int num_cs;
index fb7fb62..9dd7461 100644 (file)
 #define REG_MFSEL      (W90X900_VA_GCR + 0xC)
 
 #define GPSELF         (0x01 << 1)
-
 #define GPSELC         (0x03 << 2)
-#define ENKPI          (0x02 << 2)
-#define ENNAND         (0x01 << 2)
+#define GPSELD         (0x0f << 4)
 
 #define GPSELEI0       (0x01 << 26)
 #define GPSELEI1       (0x01 << 27)
 #define GPIOG0TO1      (0x03 << 14)
 #define GPIOG2TO3      (0x03 << 16)
 #define GPIOG22TO23    (0x03 << 22)
+#define GPIOG18TO20    (0x07 << 18)
 
 #define ENSPI          (0x0a << 14)
 #define ENI2C0         (0x01 << 14)
 #define ENI2C1         (0x01 << 16)
 #define ENAC97         (0x02 << 22)
+#define ENSD1          (0x02 << 18)
+#define ENSD0          (0x0a << 4)
+#define ENKPI          (0x02 << 2)
+#define ENNAND         (0x01 << 2)
 
 static DEFINE_MUTEX(mfp_mutex);
 
@@ -127,16 +130,19 @@ void mfp_set_groupi(struct device *dev)
 }
 EXPORT_SYMBOL(mfp_set_groupi);
 
-void mfp_set_groupg(struct device *dev)
+void mfp_set_groupg(struct device *dev, const char *subname)
 {
        unsigned long mfpen;
        const char *dev_id;
 
-       BUG_ON(!dev);
+       BUG_ON((!dev) && (!subname));
 
        mutex_lock(&mfp_mutex);
 
-       dev_id = dev_name(dev);
+       if (subname != NULL)
+               dev_id = subname;
+       else
+               dev_id = dev_name(dev);
 
        mfpen = __raw_readl(REG_MFSEL);
 
@@ -152,6 +158,9 @@ void mfp_set_groupg(struct device *dev)
        } else if (strcmp(dev_id, "nuc900-audio") == 0) {
                mfpen &= ~(GPIOG22TO23);
                mfpen |= ENAC97;/*enable AC97*/
+       } else if (strcmp(dev_id, "nuc900-mmc-port1") == 0) {
+               mfpen &= ~(GPIOG18TO20);
+               mfpen |= (ENSD1 | 0x01);/*enable sd1*/
        } else {
                mfpen &= ~(GPIOG0TO1 | GPIOG2TO3);/*GPIOG[3:0]*/
        }
@@ -162,3 +171,30 @@ void mfp_set_groupg(struct device *dev)
 }
 EXPORT_SYMBOL(mfp_set_groupg);
 
+void mfp_set_groupd(struct device *dev, const char *subname)
+{
+       unsigned long mfpen;
+       const char *dev_id;
+
+       BUG_ON((!dev) && (!subname));
+
+       mutex_lock(&mfp_mutex);
+
+       if (subname != NULL)
+               dev_id = subname;
+       else
+               dev_id = dev_name(dev);
+
+       mfpen = __raw_readl(REG_MFSEL);
+
+       if (strcmp(dev_id, "nuc900-mmc-port0") == 0) {
+               mfpen &= ~GPSELD;/*enable sd0*/
+               mfpen |= ENSD0;
+       } else
+               mfpen &= (~GPSELD);
+
+       __raw_writel(mfpen, REG_MFSEL);
+
+       mutex_unlock(&mfp_mutex);
+}
+EXPORT_SYMBOL(mfp_set_groupd);
index 32d9086..5f2cdb3 100644 (file)
@@ -3,7 +3,7 @@ if ETRAX_ARCH_V10
 config ETRAX_ETHERNET
        bool "Ethernet support"
        depends on ETRAX_ARCH_V10
-       select NET_ETHERNET
+       select ETHERNET
        select NET_CORE
        select MII
        help
index e47e9c3..de43aad 100644 (file)
@@ -3,7 +3,7 @@ if ETRAX_ARCH_V32
 config ETRAX_ETHERNET
        bool "Ethernet support"
        depends on ETRAX_ARCH_V32
-       select NET_ETHERNET
+       select ETHERNET
        select NET_CORE
        select MII
        help
index 08fe69e..0ad432b 100644 (file)
@@ -148,12 +148,6 @@ struct kvm_regs {
 #define KVM_SREGS_E_UPDATE_DEC         (1 << 2)
 #define KVM_SREGS_E_UPDATE_DBSR                (1 << 3)
 
-/*
- * Book3S special bits to indicate contents in the struct by maintaining
- * backwards compatibility with older structs. If adding a new field,
- * please make sure to add a flag for that new field */
-#define KVM_SREGS_S_HIOR               (1 << 0)
-
 /*
  * In KVM_SET_SREGS, reserved/pad fields must be left untouched from a
  * previous KVM_GET_REGS.
@@ -179,8 +173,6 @@ struct kvm_sregs {
                                __u64 ibat[8]; 
                                __u64 dbat[8]; 
                        } ppc32;
-                       __u64 flags; /* KVM_SREGS_S_ */
-                       __u64 hior;
                } s;
                struct {
                        union {
index a384ffd..d4df013 100644 (file)
@@ -90,8 +90,6 @@ struct kvmppc_vcpu_book3s {
 #endif
        int context_id[SID_CONTEXTS];
 
-       bool hior_sregs;                /* HIOR is set by SREGS, not PVR */
-
        struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE];
        struct hlist_head hpte_hash_pte_long[HPTEG_HASH_NUM_PTE_LONG];
        struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE];
index bc4d50d..3c791e1 100644 (file)
@@ -151,16 +151,14 @@ void kvmppc_set_pvr(struct kvm_vcpu *vcpu, u32 pvr)
 #ifdef CONFIG_PPC_BOOK3S_64
        if ((pvr >= 0x330000) && (pvr < 0x70330000)) {
                kvmppc_mmu_book3s_64_init(vcpu);
-               if (!to_book3s(vcpu)->hior_sregs)
-                       to_book3s(vcpu)->hior = 0xfff00000;
+               to_book3s(vcpu)->hior = 0xfff00000;
                to_book3s(vcpu)->msr_mask = 0xffffffffffffffffULL;
                vcpu->arch.cpu_type = KVM_CPU_3S_64;
        } else
 #endif
        {
                kvmppc_mmu_book3s_32_init(vcpu);
-               if (!to_book3s(vcpu)->hior_sregs)
-                       to_book3s(vcpu)->hior = 0;
+               to_book3s(vcpu)->hior = 0;
                to_book3s(vcpu)->msr_mask = 0xffffffffULL;
                vcpu->arch.cpu_type = KVM_CPU_3S_32;
        }
@@ -797,9 +795,6 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
                }
        }
 
-       if (sregs->u.s.flags & KVM_SREGS_S_HIOR)
-               sregs->u.s.hior = to_book3s(vcpu)->hior;
-
        return 0;
 }
 
@@ -836,11 +831,6 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
        /* Flush the MMU after messing with the segments */
        kvmppc_mmu_pte_flush(vcpu, 0, 0);
 
-       if (sregs->u.s.flags & KVM_SREGS_S_HIOR) {
-               to_book3s(vcpu)->hior_sregs = true;
-               to_book3s(vcpu)->hior = sregs->u.s.hior;
-       }
-
        return 0;
 }
 
index efbf9ad..607fbdf 100644 (file)
@@ -208,7 +208,6 @@ int kvm_dev_ioctl_check_extension(long ext)
        case KVM_CAP_PPC_BOOKE_SREGS:
 #else
        case KVM_CAP_PPC_SEGSTATE:
-       case KVM_CAP_PPC_HIOR:
        case KVM_CAP_PPC_PAPR:
 #endif
        case KVM_CAP_PPC_UNSET_IRQ:
index 24e1847..b0c235c 100644 (file)
@@ -47,7 +47,7 @@ struct sca_block {
 #define KVM_HPAGE_MASK(x)      (~(KVM_HPAGE_SIZE(x) - 1))
 #define KVM_PAGES_PER_HPAGE(x) (KVM_HPAGE_SIZE(x) / PAGE_SIZE)
 
-#define CPUSTAT_HOST       0x80000000
+#define CPUSTAT_STOPPED    0x80000000
 #define CPUSTAT_WAIT       0x10000000
 #define CPUSTAT_ECALL_PEND 0x08000000
 #define CPUSTAT_STOP_INT   0x04000000
@@ -139,6 +139,7 @@ struct kvm_vcpu_stat {
        u32 instruction_stfl;
        u32 instruction_tprot;
        u32 instruction_sigp_sense;
+       u32 instruction_sigp_sense_running;
        u32 instruction_sigp_external_call;
        u32 instruction_sigp_emergency;
        u32 instruction_sigp_stop;
index 87cedd6..8943e82 100644 (file)
@@ -70,7 +70,7 @@ static int __diag_ipl_functions(struct kvm_vcpu *vcpu)
                return -EOPNOTSUPP;
        }
 
-       atomic_clear_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
+       atomic_set_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags);
        vcpu->run->s390_reset_flags |= KVM_S390_RESET_SUBSYSTEM;
        vcpu->run->s390_reset_flags |= KVM_S390_RESET_IPL;
        vcpu->run->s390_reset_flags |= KVM_S390_RESET_CPU_INIT;
index c7c5189..0243454 100644 (file)
@@ -132,7 +132,6 @@ static int handle_stop(struct kvm_vcpu *vcpu)
        int rc = 0;
 
        vcpu->stat.exit_stop_request++;
-       atomic_clear_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
        spin_lock_bh(&vcpu->arch.local_int.lock);
        if (vcpu->arch.local_int.action_bits & ACTION_STORE_ON_STOP) {
                vcpu->arch.local_int.action_bits &= ~ACTION_STORE_ON_STOP;
@@ -149,6 +148,8 @@ static int handle_stop(struct kvm_vcpu *vcpu)
        }
 
        if (vcpu->arch.local_int.action_bits & ACTION_STOP_ON_STOP) {
+               atomic_set_mask(CPUSTAT_STOPPED,
+                               &vcpu->arch.sie_block->cpuflags);
                vcpu->arch.local_int.action_bits &= ~ACTION_STOP_ON_STOP;
                VCPU_EVENT(vcpu, 3, "%s", "cpu stopped");
                rc = -EOPNOTSUPP;
index 87c1670..278ee00 100644 (file)
@@ -252,6 +252,7 @@ static void __do_deliver_interrupt(struct kvm_vcpu *vcpu,
                        offsetof(struct _lowcore, restart_psw), sizeof(psw_t));
                if (rc == -EFAULT)
                        exception = 1;
+               atomic_clear_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags);
                break;
 
        case KVM_S390_PROGRAM_INT:
index 0bd3bea..d1c4457 100644 (file)
@@ -65,6 +65,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
        { "instruction_stfl", VCPU_STAT(instruction_stfl) },
        { "instruction_tprot", VCPU_STAT(instruction_tprot) },
        { "instruction_sigp_sense", VCPU_STAT(instruction_sigp_sense) },
+       { "instruction_sigp_sense_running", VCPU_STAT(instruction_sigp_sense_running) },
        { "instruction_sigp_external_call", VCPU_STAT(instruction_sigp_external_call) },
        { "instruction_sigp_emergency", VCPU_STAT(instruction_sigp_emergency) },
        { "instruction_sigp_stop", VCPU_STAT(instruction_sigp_stop) },
@@ -127,6 +128,7 @@ int kvm_dev_ioctl_check_extension(long ext)
        switch (ext) {
        case KVM_CAP_S390_PSW:
        case KVM_CAP_S390_GMAP:
+       case KVM_CAP_SYNC_MMU:
                r = 1;
                break;
        default:
@@ -270,10 +272,12 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
        restore_fp_regs(&vcpu->arch.guest_fpregs);
        restore_access_regs(vcpu->arch.guest_acrs);
        gmap_enable(vcpu->arch.gmap);
+       atomic_set_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
 }
 
 void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
 {
+       atomic_clear_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
        gmap_disable(vcpu->arch.gmap);
        save_fp_regs(&vcpu->arch.guest_fpregs);
        save_access_regs(vcpu->arch.guest_acrs);
@@ -301,7 +305,9 @@ static void kvm_s390_vcpu_initial_reset(struct kvm_vcpu *vcpu)
 
 int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
 {
-       atomic_set(&vcpu->arch.sie_block->cpuflags, CPUSTAT_ZARCH | CPUSTAT_SM);
+       atomic_set(&vcpu->arch.sie_block->cpuflags, CPUSTAT_ZARCH |
+                                                   CPUSTAT_SM |
+                                                   CPUSTAT_STOPPED);
        vcpu->arch.sie_block->ecb   = 6;
        vcpu->arch.sie_block->eca   = 0xC1002001U;
        vcpu->arch.sie_block->fac   = (int) (long) facilities;
@@ -428,7 +434,7 @@ static int kvm_arch_vcpu_ioctl_set_initial_psw(struct kvm_vcpu *vcpu, psw_t psw)
 {
        int rc = 0;
 
-       if (atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_RUNNING)
+       if (!(atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_STOPPED))
                rc = -EBUSY;
        else {
                vcpu->run->psw_mask = psw.mask;
@@ -501,7 +507,7 @@ rerun_vcpu:
        if (vcpu->sigset_active)
                sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved);
 
-       atomic_set_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
+       atomic_clear_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags);
 
        BUG_ON(vcpu->kvm->arch.float_int.local_int[vcpu->vcpu_id] == NULL);
 
index 3916263..d026389 100644 (file)
@@ -336,6 +336,7 @@ static int handle_tprot(struct kvm_vcpu *vcpu)
        u64 address1 = disp1 + base1 ? vcpu->arch.guest_gprs[base1] : 0;
        u64 address2 = disp2 + base2 ? vcpu->arch.guest_gprs[base2] : 0;
        struct vm_area_struct *vma;
+       unsigned long user_address;
 
        vcpu->stat.instruction_tprot++;
 
@@ -349,9 +350,14 @@ static int handle_tprot(struct kvm_vcpu *vcpu)
                return -EOPNOTSUPP;
 
 
+       /* we must resolve the address without holding the mmap semaphore.
+        * This is ok since the userspace hypervisor is not supposed to change
+        * the mapping while the guest queries the memory. Otherwise the guest
+        * might crash or get wrong info anyway. */
+       user_address = (unsigned long) __guestaddr_to_user(vcpu, address1);
+
        down_read(&current->mm->mmap_sem);
-       vma = find_vma(current->mm,
-                       (unsigned long) __guestaddr_to_user(vcpu, address1));
+       vma = find_vma(current->mm, user_address);
        if (!vma) {
                up_read(&current->mm->mmap_sem);
                return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
index f815118..0a7941d 100644 (file)
 #define SIGP_SET_PREFIX        0x0d
 #define SIGP_STORE_STATUS_ADDR 0x0e
 #define SIGP_SET_ARCH          0x12
+#define SIGP_SENSE_RUNNING     0x15
 
 /* cpu status bits */
 #define SIGP_STAT_EQUIPMENT_CHECK   0x80000000UL
+#define SIGP_STAT_NOT_RUNNING      0x00000400UL
 #define SIGP_STAT_INCORRECT_STATE   0x00000200UL
 #define SIGP_STAT_INVALID_PARAMETER 0x00000100UL
 #define SIGP_STAT_EXT_CALL_PENDING  0x00000080UL
@@ -57,8 +59,8 @@ static int __sigp_sense(struct kvm_vcpu *vcpu, u16 cpu_addr,
        spin_lock(&fi->lock);
        if (fi->local_int[cpu_addr] == NULL)
                rc = 3; /* not operational */
-       else if (atomic_read(fi->local_int[cpu_addr]->cpuflags)
-                & CPUSTAT_RUNNING) {
+       else if (!(atomic_read(fi->local_int[cpu_addr]->cpuflags)
+                 & CPUSTAT_STOPPED)) {
                *reg &= 0xffffffff00000000UL;
                rc = 1; /* status stored */
        } else {
@@ -251,7 +253,7 @@ static int __sigp_set_prefix(struct kvm_vcpu *vcpu, u16 cpu_addr, u32 address,
 
        spin_lock_bh(&li->lock);
        /* cpu must be in stopped state */
-       if (atomic_read(li->cpuflags) & CPUSTAT_RUNNING) {
+       if (!(atomic_read(li->cpuflags) & CPUSTAT_STOPPED)) {
                rc = 1; /* incorrect state */
                *reg &= SIGP_STAT_INCORRECT_STATE;
                kfree(inti);
@@ -275,6 +277,38 @@ out_fi:
        return rc;
 }
 
+static int __sigp_sense_running(struct kvm_vcpu *vcpu, u16 cpu_addr,
+                               unsigned long *reg)
+{
+       int rc;
+       struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int;
+
+       if (cpu_addr >= KVM_MAX_VCPUS)
+               return 3; /* not operational */
+
+       spin_lock(&fi->lock);
+       if (fi->local_int[cpu_addr] == NULL)
+               rc = 3; /* not operational */
+       else {
+               if (atomic_read(fi->local_int[cpu_addr]->cpuflags)
+                   & CPUSTAT_RUNNING) {
+                       /* running */
+                       rc = 1;
+               } else {
+                       /* not running */
+                       *reg &= 0xffffffff00000000UL;
+                       *reg |= SIGP_STAT_NOT_RUNNING;
+                       rc = 0;
+               }
+       }
+       spin_unlock(&fi->lock);
+
+       VCPU_EVENT(vcpu, 4, "sensed running status of cpu %x rc %x", cpu_addr,
+                  rc);
+
+       return rc;
+}
+
 int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu)
 {
        int r1 = (vcpu->arch.sie_block->ipa & 0x00f0) >> 4;
@@ -331,6 +365,11 @@ int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu)
                rc = __sigp_set_prefix(vcpu, cpu_addr, parameter,
                                       &vcpu->arch.guest_gprs[r1]);
                break;
+       case SIGP_SENSE_RUNNING:
+               vcpu->stat.instruction_sigp_sense_running++;
+               rc = __sigp_sense_running(vcpu, cpu_addr,
+                                         &vcpu->arch.guest_gprs[r1]);
+               break;
        case SIGP_RESTART:
                vcpu->stat.instruction_sigp_restart++;
                /* user space must know about restart */
index c1a0188..44842d7 100644 (file)
@@ -74,9 +74,10 @@ static cycle_t kvm_clock_read(void)
        struct pvclock_vcpu_time_info *src;
        cycle_t ret;
 
-       src = &get_cpu_var(hv_clock);
+       preempt_disable_notrace();
+       src = &__get_cpu_var(hv_clock);
        ret = pvclock_clocksource_read(src);
-       put_cpu_var(hv_clock);
+       preempt_enable_notrace();
        return ret;
 }
 
index a0d6bd9..579a0b5 100644 (file)
@@ -39,6 +39,7 @@
 #include <asm/mce.h>
 #include <asm/i387.h>
 #include <asm/xcr.h>
+#include <asm/perf_event.h>
 
 #include "trace.h"
 
@@ -118,7 +119,7 @@ module_param(ple_gap, int, S_IRUGO);
 static int ple_window = KVM_VMX_DEFAULT_PLE_WINDOW;
 module_param(ple_window, int, S_IRUGO);
 
-#define NR_AUTOLOAD_MSRS 1
+#define NR_AUTOLOAD_MSRS 8
 #define VMCS02_POOL_SIZE 1
 
 struct vmcs {
@@ -622,6 +623,7 @@ static unsigned long *vmx_msr_bitmap_legacy;
 static unsigned long *vmx_msr_bitmap_longmode;
 
 static bool cpu_has_load_ia32_efer;
+static bool cpu_has_load_perf_global_ctrl;
 
 static DECLARE_BITMAP(vmx_vpid_bitmap, VMX_NR_VPIDS);
 static DEFINE_SPINLOCK(vmx_vpid_lock);
@@ -1191,15 +1193,34 @@ static void update_exception_bitmap(struct kvm_vcpu *vcpu)
        vmcs_write32(EXCEPTION_BITMAP, eb);
 }
 
+static void clear_atomic_switch_msr_special(unsigned long entry,
+               unsigned long exit)
+{
+       vmcs_clear_bits(VM_ENTRY_CONTROLS, entry);
+       vmcs_clear_bits(VM_EXIT_CONTROLS, exit);
+}
+
 static void clear_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr)
 {
        unsigned i;
        struct msr_autoload *m = &vmx->msr_autoload;
 
-       if (msr == MSR_EFER && cpu_has_load_ia32_efer) {
-               vmcs_clear_bits(VM_ENTRY_CONTROLS, VM_ENTRY_LOAD_IA32_EFER);
-               vmcs_clear_bits(VM_EXIT_CONTROLS, VM_EXIT_LOAD_IA32_EFER);
-               return;
+       switch (msr) {
+       case MSR_EFER:
+               if (cpu_has_load_ia32_efer) {
+                       clear_atomic_switch_msr_special(VM_ENTRY_LOAD_IA32_EFER,
+                                       VM_EXIT_LOAD_IA32_EFER);
+                       return;
+               }
+               break;
+       case MSR_CORE_PERF_GLOBAL_CTRL:
+               if (cpu_has_load_perf_global_ctrl) {
+                       clear_atomic_switch_msr_special(
+                                       VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL,
+                                       VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL);
+                       return;
+               }
+               break;
        }
 
        for (i = 0; i < m->nr; ++i)
@@ -1215,25 +1236,55 @@ static void clear_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr)
        vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, m->nr);
 }
 
+static void add_atomic_switch_msr_special(unsigned long entry,
+               unsigned long exit, unsigned long guest_val_vmcs,
+               unsigned long host_val_vmcs, u64 guest_val, u64 host_val)
+{
+       vmcs_write64(guest_val_vmcs, guest_val);
+       vmcs_write64(host_val_vmcs, host_val);
+       vmcs_set_bits(VM_ENTRY_CONTROLS, entry);
+       vmcs_set_bits(VM_EXIT_CONTROLS, exit);
+}
+
 static void add_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr,
                                  u64 guest_val, u64 host_val)
 {
        unsigned i;
        struct msr_autoload *m = &vmx->msr_autoload;
 
-       if (msr == MSR_EFER && cpu_has_load_ia32_efer) {
-               vmcs_write64(GUEST_IA32_EFER, guest_val);
-               vmcs_write64(HOST_IA32_EFER, host_val);
-               vmcs_set_bits(VM_ENTRY_CONTROLS, VM_ENTRY_LOAD_IA32_EFER);
-               vmcs_set_bits(VM_EXIT_CONTROLS, VM_EXIT_LOAD_IA32_EFER);
-               return;
+       switch (msr) {
+       case MSR_EFER:
+               if (cpu_has_load_ia32_efer) {
+                       add_atomic_switch_msr_special(VM_ENTRY_LOAD_IA32_EFER,
+                                       VM_EXIT_LOAD_IA32_EFER,
+                                       GUEST_IA32_EFER,
+                                       HOST_IA32_EFER,
+                                       guest_val, host_val);
+                       return;
+               }
+               break;
+       case MSR_CORE_PERF_GLOBAL_CTRL:
+               if (cpu_has_load_perf_global_ctrl) {
+                       add_atomic_switch_msr_special(
+                                       VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL,
+                                       VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL,
+                                       GUEST_IA32_PERF_GLOBAL_CTRL,
+                                       HOST_IA32_PERF_GLOBAL_CTRL,
+                                       guest_val, host_val);
+                       return;
+               }
+               break;
        }
 
        for (i = 0; i < m->nr; ++i)
                if (m->guest[i].index == msr)
                        break;
 
-       if (i == m->nr) {
+       if (i == NR_AUTOLOAD_MSRS) {
+               printk_once(KERN_WARNING"Not enough mst switch entries. "
+                               "Can't add msr %x\n", msr);
+               return;
+       } else if (i == m->nr) {
                ++m->nr;
                vmcs_write32(VM_ENTRY_MSR_LOAD_COUNT, m->nr);
                vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, m->nr);
@@ -2455,6 +2506,42 @@ static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf)
                && allow_1_setting(MSR_IA32_VMX_EXIT_CTLS,
                                   VM_EXIT_LOAD_IA32_EFER);
 
+       cpu_has_load_perf_global_ctrl =
+               allow_1_setting(MSR_IA32_VMX_ENTRY_CTLS,
+                               VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL)
+               && allow_1_setting(MSR_IA32_VMX_EXIT_CTLS,
+                                  VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL);
+
+       /*
+        * Some cpus support VM_ENTRY_(LOAD|SAVE)_IA32_PERF_GLOBAL_CTRL
+        * but due to arrata below it can't be used. Workaround is to use
+        * msr load mechanism to switch IA32_PERF_GLOBAL_CTRL.
+        *
+        * VM Exit May Incorrectly Clear IA32_PERF_GLOBAL_CTRL [34:32]
+        *
+        * AAK155             (model 26)
+        * AAP115             (model 30)
+        * AAT100             (model 37)
+        * BC86,AAY89,BD102   (model 44)
+        * BA97               (model 46)
+        *
+        */
+       if (cpu_has_load_perf_global_ctrl && boot_cpu_data.x86 == 0x6) {
+               switch (boot_cpu_data.x86_model) {
+               case 26:
+               case 30:
+               case 37:
+               case 44:
+               case 46:
+                       cpu_has_load_perf_global_ctrl = false;
+                       printk_once(KERN_WARNING"kvm: VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL "
+                                       "does not work properly. Using workaround\n");
+                       break;
+               default:
+                       break;
+               }
+       }
+
        return 0;
 }
 
@@ -5968,6 +6055,24 @@ static void vmx_cancel_injection(struct kvm_vcpu *vcpu)
        vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, 0);
 }
 
+static void atomic_switch_perf_msrs(struct vcpu_vmx *vmx)
+{
+       int i, nr_msrs;
+       struct perf_guest_switch_msr *msrs;
+
+       msrs = perf_guest_get_msrs(&nr_msrs);
+
+       if (!msrs)
+               return;
+
+       for (i = 0; i < nr_msrs; i++)
+               if (msrs[i].host == msrs[i].guest)
+                       clear_atomic_switch_msr(vmx, msrs[i].msr);
+               else
+                       add_atomic_switch_msr(vmx, msrs[i].msr, msrs[i].guest,
+                                       msrs[i].host);
+}
+
 #ifdef CONFIG_X86_64
 #define R "r"
 #define Q "q"
@@ -6017,6 +6122,8 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu)
        if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP)
                vmx_set_interrupt_shadow(vcpu, 0);
 
+       atomic_switch_perf_msrs(vmx);
+
        vmx->__launched = vmx->loaded_vmcs->launched;
        asm(
                /* Store host registers */
index 118c143..2c32df6 100644 (file)
@@ -11,7 +11,7 @@
 #endif
 
 #define KSTK_EIP(tsk) KSTK_REG(tsk, HOST_IP)
-#define KSTK_ESP(tsk) KSTK_REG(tsk, HOST_IP)
+#define KSTK_ESP(tsk) KSTK_REG(tsk, HOST_SP)
 #define KSTK_EBP(tsk) KSTK_REG(tsk, HOST_BP)
 
 #define ARCH_IS_STACKGROW(address) \
index 82c8654..d8b3d89 100644 (file)
@@ -22,6 +22,7 @@
 #include <linux/kallsyms.h>
 #include <linux/mutex.h>
 #include <linux/async.h>
+#include <linux/pm_runtime.h>
 
 #include "base.h"
 #include "power/power.h"
@@ -1742,6 +1743,8 @@ void device_shutdown(void)
                 */
                list_del_init(&dev->kobj.entry);
                spin_unlock(&devices_kset->list_lock);
+               /* Disable all device's runtime power management */
+               pm_runtime_disable(dev);
 
                if (dev->bus && dev->bus->shutdown) {
                        dev_dbg(dev, "shutdown\n");
index 5f0f85d..428e55e 100644 (file)
@@ -229,7 +229,8 @@ int pm_clk_suspend(struct device *dev)
 
        list_for_each_entry_reverse(ce, &psd->clock_list, node) {
                if (ce->status < PCE_STATUS_ERROR) {
-                       clk_disable(ce->clk);
+                       if (ce->status == PCE_STATUS_ENABLED)
+                               clk_disable(ce->clk);
                        ce->status = PCE_STATUS_ACQUIRED;
                }
        }
index 7fa0984..c3d2dfc 100644 (file)
@@ -920,7 +920,8 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async)
  End:
        if (!error) {
                dev->power.is_suspended = true;
-               if (dev->power.wakeup_path && dev->parent)
+               if (dev->power.wakeup_path
+                   && dev->parent && !dev->parent->power.ignore_children)
                        dev->parent->power.wakeup_path = true;
        }
 
index 30a94ea..86de6c5 100644 (file)
@@ -212,11 +212,9 @@ int dev_pm_qos_add_request(struct device *dev, struct dev_pm_qos_request *req,
        if (!dev || !req) /*guard against callers passing in null */
                return -EINVAL;
 
-       if (dev_pm_qos_request_active(req)) {
-               WARN(1, KERN_ERR "dev_pm_qos_add_request() called for already "
-                       "added request\n");
+       if (WARN(dev_pm_qos_request_active(req),
+                "%s() called for already added request\n", __func__))
                return -EINVAL;
-       }
 
        req->dev = dev;
 
@@ -271,11 +269,9 @@ int dev_pm_qos_update_request(struct dev_pm_qos_request *req,
        if (!req) /*guard against callers passing in null */
                return -EINVAL;
 
-       if (!dev_pm_qos_request_active(req)) {
-               WARN(1, KERN_ERR "dev_pm_qos_update_request() called for "
-                       "unknown object\n");
+       if (WARN(!dev_pm_qos_request_active(req),
+                "%s() called for unknown object\n", __func__))
                return -EINVAL;
-       }
 
        mutex_lock(&dev_pm_qos_mtx);
 
@@ -312,11 +308,9 @@ int dev_pm_qos_remove_request(struct dev_pm_qos_request *req)
        if (!req) /*guard against callers passing in null */
                return -EINVAL;
 
-       if (!dev_pm_qos_request_active(req)) {
-               WARN(1, KERN_ERR "dev_pm_qos_remove_request() called for "
-                       "unknown object\n");
+       if (WARN(!dev_pm_qos_request_active(req),
+                "%s() called for unknown object\n", __func__))
                return -EINVAL;
-       }
 
        mutex_lock(&dev_pm_qos_mtx);
 
index f9b7260..fe4ebc3 100644 (file)
@@ -100,6 +100,9 @@ static struct usb_device_id btusb_table[] = {
        /* Canyon CN-BTU1 with HID interfaces */
        { USB_DEVICE(0x0c10, 0x0000) },
 
+       /* Broadcom BCM20702A0 */
+       { USB_DEVICE(0x413c, 0x8197) },
+
        { }     /* Terminating entry */
 };
 
index 643b055..8f04910 100644 (file)
@@ -1,36 +1,29 @@
-config ARCH_HAS_DEVFREQ
-       bool
-       depends on ARCH_HAS_OPP
-       help
-         Denotes that the architecture supports DEVFREQ. If the architecture
-         supports multiple OPP entries per device and the frequency of the
-         devices with OPPs may be altered dynamically, the architecture
-         supports DEVFREQ.
-
 menuconfig PM_DEVFREQ
        bool "Generic Dynamic Voltage and Frequency Scaling (DVFS) support"
-       depends on PM_OPP && ARCH_HAS_DEVFREQ
        help
-         With OPP support, a device may have a list of frequencies and
-         voltages available. DEVFREQ, a generic DVFS framework can be
-         registered for a device with OPP support in order to let the
-         governor provided to DEVFREQ choose an operating frequency
-         based on the OPP's list and the policy given with DEVFREQ.
+         A device may have a list of frequencies and voltages available.
+         devfreq, a generic DVFS framework can be registered for a device
+         in order to let the governor provided to devfreq choose an
+         operating frequency based on the device driver's policy.
 
-         Each device may have its own governor and policy. DEVFREQ can
+         Each device may have its own governor and policy. Devfreq can
          reevaluate the device state periodically and/or based on the
-         OPP list changes (each frequency/voltage pair in OPP may be
-         disabled or enabled).
+         notification to "nb", a notifier block, of devfreq.
 
-         Like some CPUs with CPUFREQ, a device may have multiple clocks.
+         Like some CPUs with CPUfreq, a device may have multiple clocks.
          However, because the clock frequencies of a single device are
-         determined by the single device's state, an instance of DEVFREQ
+         determined by the single device's state, an instance of devfreq
          is attached to a single device and returns a "representative"
-         clock frequency from the OPP of the device, which is also attached
-         to a device by 1-to-1. The device registering DEVFREQ takes the
-         responsiblity to "interpret" the frequency listed in OPP and
+         clock frequency of the device, which is also attached
+         to a device by 1-to-1. The device registering devfreq takes the
+         responsiblity to "interpret" the representative frequency and
          to set its every clock accordingly with the "target" callback
-         given to DEVFREQ.
+         given to devfreq.
+
+         When OPP is used with the devfreq device, it is recommended to
+         register devfreq's nb to the OPP's notifier head.  If OPP is
+         used with the devfreq device, you may use OPP helper
+         functions defined in devfreq.h.
 
 if PM_DEVFREQ
 
index 5d15b81..59d24e9 100644 (file)
@@ -15,7 +15,9 @@
 #include <linux/errno.h>
 #include <linux/err.h>
 #include <linux/init.h>
+#include <linux/module.h>
 #include <linux/slab.h>
+#include <linux/stat.h>
 #include <linux/opp.h>
 #include <linux/devfreq.h>
 #include <linux/workqueue.h>
@@ -416,10 +418,14 @@ out:
  */
 int devfreq_remove_device(struct devfreq *devfreq)
 {
+       bool central_polling;
+
        if (!devfreq)
                return -EINVAL;
 
-       if (!devfreq->governor->no_central_polling) {
+       central_polling = !devfreq->governor->no_central_polling;
+
+       if (central_polling) {
                mutex_lock(&devfreq_list_lock);
                while (wait_remove_device == devfreq) {
                        mutex_unlock(&devfreq_list_lock);
@@ -431,7 +437,7 @@ int devfreq_remove_device(struct devfreq *devfreq)
        mutex_lock(&devfreq->lock);
        _remove_devfreq(devfreq, false); /* it unlocks devfreq->lock */
 
-       if (!devfreq->governor->no_central_polling)
+       if (central_polling)
                mutex_unlock(&devfreq_list_lock);
 
        return 0;
index 9ec854a..91be41f 100644 (file)
@@ -315,7 +315,7 @@ config SENSORS_DS1621
 
 config SENSORS_EXYNOS4_TMU
        tristate "Temperature sensor on Samsung EXYNOS4"
-       depends on EXYNOS4_DEV_TMU
+       depends on ARCH_EXYNOS4
        help
          If you say yes here you get support for TMU (Thermal Managment
          Unit) on SAMSUNG EXYNOS4 series of SoC.
index 583f66c..654a5e9 100644 (file)
@@ -245,6 +245,8 @@ source "drivers/net/ethernet/Kconfig"
 
 source "drivers/net/fddi/Kconfig"
 
+source "drivers/net/hippi/Kconfig"
+
 config NET_SB1000
        tristate "General Instruments Surfboard 1000"
        depends on PNP
index 5a20804..4ef7e2f 100644 (file)
@@ -319,6 +319,13 @@ static ssize_t bonding_store_mode(struct device *d,
                goto out;
        }
 
+       if (bond->slave_cnt > 0) {
+               pr_err("unable to update mode of %s because it has slaves.\n",
+                       bond->dev->name);
+               ret = -EPERM;
+               goto out;
+       }
+
        new_value = bond_parse_parm(buf, bond_mode_tbl);
        if (new_value < 0)  {
                pr_err("%s: Ignoring invalid mode value %.*s.\n",
index 6486ab8..2f6361e 100644 (file)
@@ -10548,33 +10548,38 @@ do {                                                                  \
 
 int bnx2x_init_firmware(struct bnx2x *bp)
 {
-       const char *fw_file_name;
        struct bnx2x_fw_file_hdr *fw_hdr;
        int rc;
 
-       if (CHIP_IS_E1(bp))
-               fw_file_name = FW_FILE_NAME_E1;
-       else if (CHIP_IS_E1H(bp))
-               fw_file_name = FW_FILE_NAME_E1H;
-       else if (!CHIP_IS_E1x(bp))
-               fw_file_name = FW_FILE_NAME_E2;
-       else {
-               BNX2X_ERR("Unsupported chip revision\n");
-               return -EINVAL;
-       }
 
-       BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
+       if (!bp->firmware) {
+               const char *fw_file_name;
 
-       rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
-       if (rc) {
-               BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
-               goto request_firmware_exit;
-       }
+               if (CHIP_IS_E1(bp))
+                       fw_file_name = FW_FILE_NAME_E1;
+               else if (CHIP_IS_E1H(bp))
+                       fw_file_name = FW_FILE_NAME_E1H;
+               else if (!CHIP_IS_E1x(bp))
+                       fw_file_name = FW_FILE_NAME_E2;
+               else {
+                       BNX2X_ERR("Unsupported chip revision\n");
+                       return -EINVAL;
+               }
+               BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
 
-       rc = bnx2x_check_firmware(bp);
-       if (rc) {
-               BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
-               goto request_firmware_exit;
+               rc = request_firmware(&bp->firmware, fw_file_name,
+                                     &bp->pdev->dev);
+               if (rc) {
+                       BNX2X_ERR("Can't load firmware file %s\n",
+                                 fw_file_name);
+                       goto request_firmware_exit;
+               }
+
+               rc = bnx2x_check_firmware(bp);
+               if (rc) {
+                       BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
+                       goto request_firmware_exit;
+               }
        }
 
        fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
@@ -10630,6 +10635,7 @@ static void bnx2x_release_firmware(struct bnx2x *bp)
        kfree(bp->init_ops);
        kfree(bp->init_data);
        release_firmware(bp->firmware);
+       bp->firmware = NULL;
 }
 
 
@@ -10925,6 +10931,8 @@ static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
        if (bp->doorbells)
                iounmap(bp->doorbells);
 
+       bnx2x_release_firmware(bp);
+
        bnx2x_free_mem_bp(bp);
 
        free_netdev(dev);
index 0440425..1451769 100644 (file)
@@ -5380,7 +5380,7 @@ static int bnx2x_func_hw_init(struct bnx2x *bp,
        rc = drv->init_fw(bp);
        if (rc) {
                BNX2X_ERR("Error loading firmware\n");
-               goto fw_init_err;
+               goto init_err;
        }
 
        /* Handle the beginning of COMMON_XXX pases separatelly... */
@@ -5388,25 +5388,25 @@ static int bnx2x_func_hw_init(struct bnx2x *bp,
        case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
                rc = bnx2x_func_init_cmn_chip(bp, drv);
                if (rc)
-                       goto init_hw_err;
+                       goto init_err;
 
                break;
        case FW_MSG_CODE_DRV_LOAD_COMMON:
                rc = bnx2x_func_init_cmn(bp, drv);
                if (rc)
-                       goto init_hw_err;
+                       goto init_err;
 
                break;
        case FW_MSG_CODE_DRV_LOAD_PORT:
                rc = bnx2x_func_init_port(bp, drv);
                if (rc)
-                       goto init_hw_err;
+                       goto init_err;
 
                break;
        case FW_MSG_CODE_DRV_LOAD_FUNCTION:
                rc = bnx2x_func_init_func(bp, drv);
                if (rc)
-                       goto init_hw_err;
+                       goto init_err;
 
                break;
        default:
@@ -5414,10 +5414,7 @@ static int bnx2x_func_hw_init(struct bnx2x *bp,
                rc = -EINVAL;
        }
 
-init_hw_err:
-       drv->release_fw(bp);
-
-fw_init_err:
+init_err:
        drv->gunzip_end(bp);
 
        /* In case of success, complete the comand immediatelly: no ramrods
index 98849a1..b48378a 100644 (file)
@@ -7,6 +7,7 @@ config HAVE_NET_MACB
 
 config NET_ATMEL
        bool "Atmel devices"
+       default y
        depends on HAVE_NET_MACB || (ARM && ARCH_AT91RM9200)
        ---help---
          If you have a network (Ethernet) card belonging to this class, say Y.
index 6bb2b95..0b3567a 100644 (file)
@@ -34,6 +34,8 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/io.h>
+#include <linux/dma-mapping.h>
+#include <linux/module.h>
 
 #include <asm/checksum.h>
 
index fdc6c39..7803efa 100644 (file)
@@ -50,7 +50,7 @@
 #include "sky2.h"
 
 #define DRV_NAME               "sky2"
-#define DRV_VERSION            "1.29"
+#define DRV_VERSION            "1.30"
 
 /*
  * The Yukon II chipset takes 64 bit command blocks (called list elements)
@@ -68,7 +68,7 @@
 #define MAX_SKB_TX_LE  (2 + (sizeof(dma_addr_t)/sizeof(u32))*(MAX_SKB_FRAGS+1))
 #define TX_MIN_PENDING         (MAX_SKB_TX_LE+1)
 #define TX_MAX_PENDING         1024
-#define TX_DEF_PENDING         127
+#define TX_DEF_PENDING         63
 
 #define TX_WATCHDOG            (5 * HZ)
 #define NAPI_WEIGHT            64
@@ -869,6 +869,7 @@ static void sky2_wol_init(struct sky2_port *sky2)
 
        /* block receiver */
        sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET);
+       sky2_read32(hw, B0_CTST);
 }
 
 static void sky2_set_tx_stfwd(struct sky2_hw *hw, unsigned port)
@@ -1274,6 +1275,14 @@ static void rx_set_checksum(struct sky2_port *sky2)
                     ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM);
 }
 
+/*
+ * Fixed initial key as seed to RSS.
+ */
+static const uint32_t rss_init_key[10] = {
+       0x7c3351da, 0x51c5cf4e, 0x44adbdd1, 0xe8d38d18, 0x48897c43,
+       0xb1d60e7e, 0x6a3dd760, 0x01a2e453, 0x16f46f13, 0x1a0e7b30
+};
+
 /* Enable/disable receive hash calculation (RSS) */
 static void rx_set_rss(struct net_device *dev, u32 features)
 {
@@ -1289,12 +1298,9 @@ static void rx_set_rss(struct net_device *dev, u32 features)
 
        /* Program RSS initial values */
        if (features & NETIF_F_RXHASH) {
-               u32 key[nkeys];
-
-               get_random_bytes(key, nkeys * sizeof(u32));
                for (i = 0; i < nkeys; i++)
                        sky2_write32(hw, SK_REG(sky2->port, RSS_KEY + i * 4),
-                                    key[i]);
+                                    rss_init_key[i]);
 
                /* Need to turn on (undocumented) flag to make hashing work  */
                sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T),
@@ -1717,6 +1723,8 @@ static int sky2_setup_irq(struct sky2_hw *hw, const char *name)
        if (err)
                dev_err(&pdev->dev, "cannot assign irq %d\n", pdev->irq);
        else {
+               hw->flags |= SKY2_HW_IRQ_SETUP;
+
                napi_enable(&hw->napi);
                sky2_write32(hw, B0_IMSK, Y2_IS_BASE);
                sky2_read32(hw, B0_IMSK);
@@ -1727,7 +1735,7 @@ static int sky2_setup_irq(struct sky2_hw *hw, const char *name)
 
 
 /* Bring up network interface. */
-static int sky2_up(struct net_device *dev)
+static int sky2_open(struct net_device *dev)
 {
        struct sky2_port *sky2 = netdev_priv(dev);
        struct sky2_hw *hw = sky2->hw;
@@ -1747,6 +1755,11 @@ static int sky2_up(struct net_device *dev)
 
        sky2_hw_up(sky2);
 
+       if (hw->chip_id == CHIP_ID_YUKON_OPT ||
+           hw->chip_id == CHIP_ID_YUKON_PRM ||
+           hw->chip_id == CHIP_ID_YUKON_OP_2)
+               imask |= Y2_IS_PHY_QLNK;        /* enable PHY Quick Link */
+
        /* Enable interrupts from phy/mac for port */
        imask = sky2_read32(hw, B0_IMSK);
        imask |= portirq_msk[port];
@@ -2040,6 +2053,8 @@ static void sky2_tx_reset(struct sky2_hw *hw, unsigned port)
 
        sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), RB_RST_SET);
        sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET);
+
+       sky2_read32(hw, B0_CTST);
 }
 
 static void sky2_hw_down(struct sky2_port *sky2)
@@ -2090,7 +2105,7 @@ static void sky2_hw_down(struct sky2_port *sky2)
 }
 
 /* Network shutdown */
-static int sky2_down(struct net_device *dev)
+static int sky2_close(struct net_device *dev)
 {
        struct sky2_port *sky2 = netdev_priv(dev);
        struct sky2_hw *hw = sky2->hw;
@@ -2101,15 +2116,22 @@ static int sky2_down(struct net_device *dev)
 
        netif_info(sky2, ifdown, dev, "disabling interface\n");
 
-       /* Disable port IRQ */
-       sky2_write32(hw, B0_IMSK,
-                    sky2_read32(hw, B0_IMSK) & ~portirq_msk[sky2->port]);
-       sky2_read32(hw, B0_IMSK);
-
        if (hw->ports == 1) {
+               sky2_write32(hw, B0_IMSK, 0);
+               sky2_read32(hw, B0_IMSK);
+
                napi_disable(&hw->napi);
                free_irq(hw->pdev->irq, hw);
+               hw->flags &= ~SKY2_HW_IRQ_SETUP;
        } else {
+               u32 imask;
+
+               /* Disable port IRQ */
+               imask  = sky2_read32(hw, B0_IMSK);
+               imask &= ~portirq_msk[sky2->port];
+               sky2_write32(hw, B0_IMSK, imask);
+               sky2_read32(hw, B0_IMSK);
+
                synchronize_irq(hw->pdev->irq);
                napi_synchronize(&hw->napi);
        }
@@ -2587,7 +2609,7 @@ static inline void sky2_tx_done(struct net_device *dev, u16 last)
        if (netif_running(dev)) {
                sky2_tx_complete(sky2, last);
 
-               /* Wake unless it's detached, and called e.g. from sky2_down() */
+               /* Wake unless it's detached, and called e.g. from sky2_close() */
                if (tx_avail(sky2) > MAX_SKB_TX_LE + 4)
                        netif_wake_queue(dev);
        }
@@ -3258,7 +3280,6 @@ static void sky2_reset(struct sky2_hw *hw)
            hw->chip_id == CHIP_ID_YUKON_PRM ||
            hw->chip_id == CHIP_ID_YUKON_OP_2) {
                u16 reg;
-               u32 msk;
 
                if (hw->chip_id == CHIP_ID_YUKON_OPT && hw->chip_rev == 0) {
                        /* disable PCI-E PHY power down (set PHY reg 0x80, bit 7 */
@@ -3281,11 +3302,6 @@ static void sky2_reset(struct sky2_hw *hw)
                sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
                sky2_pci_write16(hw, PSM_CONFIG_REG4, reg);
 
-               /* enable PHY Quick Link */
-               msk = sky2_read32(hw, B0_IMSK);
-               msk |= Y2_IS_PHY_QLNK;
-               sky2_write32(hw, B0_IMSK, msk);
-
                /* check if PSMv2 was running before */
                reg = sky2_pci_read16(hw, PSM_CONFIG_REG3);
                if (reg & PCI_EXP_LNKCTL_ASPMC)
@@ -3383,7 +3399,7 @@ static void sky2_detach(struct net_device *dev)
                netif_tx_lock(dev);
                netif_device_detach(dev);       /* stop txq */
                netif_tx_unlock(dev);
-               sky2_down(dev);
+               sky2_close(dev);
        }
 }
 
@@ -3393,7 +3409,7 @@ static int sky2_reattach(struct net_device *dev)
        int err = 0;
 
        if (netif_running(dev)) {
-               err = sky2_up(dev);
+               err = sky2_open(dev);
                if (err) {
                        netdev_info(dev, "could not restart %d\n", err);
                        dev_close(dev);
@@ -3410,10 +3426,13 @@ static void sky2_all_down(struct sky2_hw *hw)
 {
        int i;
 
-       sky2_read32(hw, B0_IMSK);
-       sky2_write32(hw, B0_IMSK, 0);
-       synchronize_irq(hw->pdev->irq);
-       napi_disable(&hw->napi);
+       if (hw->flags & SKY2_HW_IRQ_SETUP) {
+               sky2_read32(hw, B0_IMSK);
+               sky2_write32(hw, B0_IMSK, 0);
+
+               synchronize_irq(hw->pdev->irq);
+               napi_disable(&hw->napi);
+       }
 
        for (i = 0; i < hw->ports; i++) {
                struct net_device *dev = hw->dev[i];
@@ -3446,11 +3465,12 @@ static void sky2_all_up(struct sky2_hw *hw)
                netif_wake_queue(dev);
        }
 
-       sky2_write32(hw, B0_IMSK, imask);
-       sky2_read32(hw, B0_IMSK);
-
-       sky2_read32(hw, B0_Y2_SP_LISR);
-       napi_enable(&hw->napi);
+       if (hw->flags & SKY2_HW_IRQ_SETUP) {
+               sky2_write32(hw, B0_IMSK, imask);
+               sky2_read32(hw, B0_IMSK);
+               sky2_read32(hw, B0_Y2_SP_LISR);
+               napi_enable(&hw->napi);
+       }
 }
 
 static void sky2_restart(struct work_struct *work)
@@ -4071,6 +4091,16 @@ static int sky2_set_coalesce(struct net_device *dev,
        return 0;
 }
 
+/*
+ * Hardware is limited to min of 128 and max of 2048 for ring size
+ * and  rounded up to next power of two
+ * to avoid division in modulus calclation
+ */
+static unsigned long roundup_ring_size(unsigned long pending)
+{
+       return max(128ul, roundup_pow_of_two(pending+1));
+}
+
 static void sky2_get_ringparam(struct net_device *dev,
                               struct ethtool_ringparam *ering)
 {
@@ -4098,7 +4128,7 @@ static int sky2_set_ringparam(struct net_device *dev,
 
        sky2->rx_pending = ering->rx_pending;
        sky2->tx_pending = ering->tx_pending;
-       sky2->tx_ring_size = roundup_pow_of_two(sky2->tx_pending+1);
+       sky2->tx_ring_size = roundup_ring_size(sky2->tx_pending);
 
        return sky2_reattach(dev);
 }
@@ -4556,7 +4586,7 @@ static int sky2_device_event(struct notifier_block *unused,
        struct net_device *dev = ptr;
        struct sky2_port *sky2 = netdev_priv(dev);
 
-       if (dev->netdev_ops->ndo_open != sky2_up || !sky2_debug)
+       if (dev->netdev_ops->ndo_open != sky2_open || !sky2_debug)
                return NOTIFY_DONE;
 
        switch (event) {
@@ -4621,8 +4651,8 @@ static __exit void sky2_debug_cleanup(void)
    not allowing netpoll on second port */
 static const struct net_device_ops sky2_netdev_ops[2] = {
   {
-       .ndo_open               = sky2_up,
-       .ndo_stop               = sky2_down,
+       .ndo_open               = sky2_open,
+       .ndo_stop               = sky2_close,
        .ndo_start_xmit         = sky2_xmit_frame,
        .ndo_do_ioctl           = sky2_ioctl,
        .ndo_validate_addr      = eth_validate_addr,
@@ -4638,8 +4668,8 @@ static const struct net_device_ops sky2_netdev_ops[2] = {
 #endif
   },
   {
-       .ndo_open               = sky2_up,
-       .ndo_stop               = sky2_down,
+       .ndo_open               = sky2_open,
+       .ndo_stop               = sky2_close,
        .ndo_start_xmit         = sky2_xmit_frame,
        .ndo_do_ioctl           = sky2_ioctl,
        .ndo_validate_addr      = eth_validate_addr,
@@ -4692,7 +4722,7 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw,
        spin_lock_init(&sky2->phy_lock);
 
        sky2->tx_pending = TX_DEF_PENDING;
-       sky2->tx_ring_size = roundup_pow_of_two(TX_DEF_PENDING+1);
+       sky2->tx_ring_size = roundup_ring_size(TX_DEF_PENDING);
        sky2->rx_pending = RX_DEF_PENDING;
 
        hw->dev[port] = dev;
index 0af31b8..ff6f58b 100644 (file)
@@ -2287,6 +2287,7 @@ struct sky2_hw {
 #define SKY2_HW_RSS_BROKEN     0x00000100
 #define SKY2_HW_VLAN_BROKEN     0x00000200
 #define SKY2_HW_RSS_CHKSUM     0x00000400      /* RSS requires chksum */
+#define SKY2_HW_IRQ_SETUP      0x00000800
 
        u8                   chip_id;
        u8                   chip_rev;
index b89c36d..c2df6c3 100644 (file)
@@ -581,6 +581,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
                 * Packet is OK - process it.
                 */
                length = be32_to_cpu(cqe->byte_cnt);
+               length -= ring->fcs_del;
                ring->bytes += length;
                ring->packets++;
 
@@ -813,8 +814,11 @@ static int mlx4_en_config_rss_qp(struct mlx4_en_priv *priv, int qpn,
        context->db_rec_addr = cpu_to_be64(ring->wqres.db.dma);
 
        /* Cancel FCS removal if FW allows */
-       if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP)
+       if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP) {
                context->param3 |= cpu_to_be32(1 << 29);
+               ring->fcs_del = ETH_FCS_LEN;
+       } else
+               ring->fcs_del = 0;
 
        err = mlx4_qp_to_ready(mdev->dev, &ring->wqres.mtt, context, qp, state);
        if (err) {
index 8fda331..207b5ad 100644 (file)
@@ -272,6 +272,7 @@ struct mlx4_en_rx_ring {
        u32 prod;
        u32 cons;
        u32 buf_size;
+       u8  fcs_del;
        void *buf;
        void *rx_info;
        unsigned long bytes;
index 1dca570..1c61d36 100644 (file)
@@ -609,7 +609,7 @@ struct nv_ethtool_str {
 };
 
 static const struct nv_ethtool_str nv_estats_str[] = {
-       { "tx_bytes" },
+       { "tx_bytes" }, /* includes Ethernet FCS CRC */
        { "tx_zero_rexmt" },
        { "tx_one_rexmt" },
        { "tx_many_rexmt" },
@@ -637,7 +637,7 @@ static const struct nv_ethtool_str nv_estats_str[] = {
        /* version 2 stats */
        { "tx_deferral" },
        { "tx_packets" },
-       { "rx_bytes" },
+       { "rx_bytes" }, /* includes Ethernet FCS CRC */
        { "tx_pause" },
        { "rx_pause" },
        { "rx_drop_frame" },
@@ -649,7 +649,7 @@ static const struct nv_ethtool_str nv_estats_str[] = {
 };
 
 struct nv_ethtool_stats {
-       u64 tx_bytes;
+       u64 tx_bytes; /* should be ifconfig->tx_bytes + 4*tx_packets */
        u64 tx_zero_rexmt;
        u64 tx_one_rexmt;
        u64 tx_many_rexmt;
@@ -670,14 +670,14 @@ struct nv_ethtool_stats {
        u64 rx_unicast;
        u64 rx_multicast;
        u64 rx_broadcast;
-       u64 rx_packets;
+       u64 rx_packets; /* should be ifconfig->rx_packets */
        u64 rx_errors_total;
        u64 tx_errors_total;
 
        /* version 2 stats */
        u64 tx_deferral;
-       u64 tx_packets;
-       u64 rx_bytes;
+       u64 tx_packets; /* should be ifconfig->tx_packets */
+       u64 rx_bytes;   /* should be ifconfig->rx_bytes + 4*rx_packets */
        u64 tx_pause;
        u64 rx_pause;
        u64 rx_drop_frame;
@@ -1706,10 +1706,17 @@ static struct net_device_stats *nv_get_stats(struct net_device *dev)
        if (np->driver_data & (DEV_HAS_STATISTICS_V1|DEV_HAS_STATISTICS_V2|DEV_HAS_STATISTICS_V3)) {
                nv_get_hw_stats(dev);
 
+               /*
+                * Note: because HW stats are not always available and
+                * for consistency reasons, the following ifconfig
+                * stats are managed by software: rx_bytes, tx_bytes,
+                * rx_packets and tx_packets. The related hardware
+                * stats reported by ethtool should be equivalent to
+                * these ifconfig stats, with 4 additional bytes per
+                * packet (Ethernet FCS CRC).
+                */
+
                /* copy to net_device stats */
-               dev->stats.tx_packets = np->estats.tx_packets;
-               dev->stats.rx_bytes = np->estats.rx_bytes;
-               dev->stats.tx_bytes = np->estats.tx_bytes;
                dev->stats.tx_fifo_errors = np->estats.tx_fifo_errors;
                dev->stats.tx_carrier_errors = np->estats.tx_carrier_errors;
                dev->stats.rx_crc_errors = np->estats.rx_crc_errors;
@@ -2380,6 +2387,9 @@ static int nv_tx_done(struct net_device *dev, int limit)
                                if (flags & NV_TX_ERROR) {
                                        if ((flags & NV_TX_RETRYERROR) && !(flags & NV_TX_RETRYCOUNT_MASK))
                                                nv_legacybackoff_reseed(dev);
+                               } else {
+                                       dev->stats.tx_packets++;
+                                       dev->stats.tx_bytes += np->get_tx_ctx->skb->len;
                                }
                                dev_kfree_skb_any(np->get_tx_ctx->skb);
                                np->get_tx_ctx->skb = NULL;
@@ -2390,6 +2400,9 @@ static int nv_tx_done(struct net_device *dev, int limit)
                                if (flags & NV_TX2_ERROR) {
                                        if ((flags & NV_TX2_RETRYERROR) && !(flags & NV_TX2_RETRYCOUNT_MASK))
                                                nv_legacybackoff_reseed(dev);
+                               } else {
+                                       dev->stats.tx_packets++;
+                                       dev->stats.tx_bytes += np->get_tx_ctx->skb->len;
                                }
                                dev_kfree_skb_any(np->get_tx_ctx->skb);
                                np->get_tx_ctx->skb = NULL;
@@ -2429,6 +2442,9 @@ static int nv_tx_done_optimized(struct net_device *dev, int limit)
                                        else
                                                nv_legacybackoff_reseed(dev);
                                }
+                       } else {
+                               dev->stats.tx_packets++;
+                               dev->stats.tx_bytes += np->get_tx_ctx->skb->len;
                        }
 
                        dev_kfree_skb_any(np->get_tx_ctx->skb);
@@ -2678,6 +2694,7 @@ static int nv_rx_process(struct net_device *dev, int limit)
                skb->protocol = eth_type_trans(skb, dev);
                napi_gro_receive(&np->napi, skb);
                dev->stats.rx_packets++;
+               dev->stats.rx_bytes += len;
 next_pkt:
                if (unlikely(np->get_rx.orig++ == np->last_rx.orig))
                        np->get_rx.orig = np->first_rx.orig;
@@ -2761,6 +2778,7 @@ static int nv_rx_process_optimized(struct net_device *dev, int limit)
                        }
                        napi_gro_receive(&np->napi, skb);
                        dev->stats.rx_packets++;
+                       dev->stats.rx_bytes += len;
                } else {
                        dev_kfree_skb(skb);
                }
index 9c075ea..9cb5f91 100644 (file)
@@ -18,8 +18,8 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
  */
 
-#include <linux/module.h>      /* for __MODULE_STRING */
 #include "pch_gbe.h"
+#include <linux/module.h>      /* for __MODULE_STRING */
 
 #define OPTION_UNSET   -1
 #define OPTION_DISABLED 0
index 1fc01ca..4bf68cf 100644 (file)
@@ -940,7 +940,7 @@ static void r6040_multicast_list(struct net_device *dev)
        iowrite16(lp->mcr0, ioaddr + MCR0);
 
        /* Fill the MAC hash tables with their values */
-       if (lp->mcr0 && MCR0_HASH_EN) {
+       if (lp->mcr0 & MCR0_HASH_EN) {
                iowrite16(hash_table[0], ioaddr + MAR0);
                iowrite16(hash_table[1], ioaddr + MAR1);
                iowrite16(hash_table[2], ioaddr + MAR2);
index 92b45f0..6f06aa1 100644 (file)
@@ -1292,7 +1292,7 @@ static void __rtl8169_check_link_status(struct net_device *dev,
                netif_carrier_off(dev);
                netif_info(tp, ifdown, dev, "link down\n");
                if (pm)
-                       pm_schedule_suspend(&tp->pci_dev->dev, 100);
+                       pm_schedule_suspend(&tp->pci_dev->dev, 5000);
        }
        spin_unlock_irqrestore(&tp->lock, flags);
 }
index d2be42a..8843071 100644 (file)
@@ -1937,6 +1937,7 @@ static int __devinit smsc911x_init(struct net_device *dev)
 {
        struct smsc911x_data *pdata = netdev_priv(dev);
        unsigned int byte_test;
+       unsigned int to = 100;
 
        SMSC_TRACE(pdata, probe, "Driver Parameters:");
        SMSC_TRACE(pdata, probe, "LAN base: 0x%08lX",
@@ -1952,6 +1953,17 @@ static int __devinit smsc911x_init(struct net_device *dev)
                return -ENODEV;
        }
 
+       /*
+        * poll the READY bit in PMT_CTRL. Any other access to the device is
+        * forbidden while this bit isn't set. Try for 100ms
+        */
+       while (!(smsc911x_reg_read(pdata, PMT_CTRL) & PMT_CTRL_READY_) && --to)
+               udelay(1000);
+       if (to == 0) {
+               pr_err("Device not READY in 100ms aborting\n");
+               return -ENODEV;
+       }
+
        /* Check byte ordering */
        byte_test = smsc911x_reg_read(pdata, BYTE_TEST);
        SMSC_TRACE(pdata, probe, "BYTE_TEST: 0x%08X", byte_test);
index da66ac5..4d5402a 100644 (file)
@@ -39,10 +39,11 @@ static int dwmac1000_dma_init(void __iomem *ioaddr, int pbl, u32 dma_tx,
        /* DMA SW reset */
        value |= DMA_BUS_MODE_SFT_RESET;
        writel(value, ioaddr + DMA_BUS_MODE);
-       limit = 15000;
+       limit = 10;
        while (limit--) {
                if (!(readl(ioaddr + DMA_BUS_MODE) & DMA_BUS_MODE_SFT_RESET))
                        break;
+               mdelay(10);
        }
        if (limit < 0)
                return -EBUSY;
index 627f656..bc17fd0 100644 (file)
@@ -41,10 +41,11 @@ static int dwmac100_dma_init(void __iomem *ioaddr, int pbl, u32 dma_tx,
        /* DMA SW reset */
        value |= DMA_BUS_MODE_SFT_RESET;
        writel(value, ioaddr + DMA_BUS_MODE);
-       limit = 15000;
+       limit = 10;
        while (limit--) {
                if (!(readl(ioaddr + DMA_BUS_MODE) & DMA_BUS_MODE_SFT_RESET))
                        break;
+               mdelay(10);
        }
        if (limit < 0)
                return -EBUSY;
index 9bafa6c..a140a8f 100644 (file)
@@ -72,7 +72,6 @@ struct stmmac_priv {
        spinlock_t lock;
        spinlock_t tx_lock;
        int wolopts;
-       int wolenabled;
        int wol_irq;
 #ifdef CONFIG_STMMAC_TIMER
        struct stmmac_timer *tm;
@@ -80,6 +79,7 @@ struct stmmac_priv {
        struct plat_stmmacenet_data *plat;
        struct stmmac_counters mmc;
        struct dma_features dma_cap;
+       int hw_cap_support;
 };
 
 extern int stmmac_mdio_unregister(struct net_device *ndev);
index e8eff09..0395f9e 100644 (file)
@@ -430,6 +430,12 @@ static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
        struct stmmac_priv *priv = netdev_priv(dev);
        u32 support = WAKE_MAGIC | WAKE_UCAST;
 
+       /* By default almost all GMAC devices support the WoL via
+        * magic frame but we can disable it if the HW capability
+        * register shows no support for pmt_magic_frame. */
+       if ((priv->hw_cap_support) && (!priv->dma_cap.pmt_magic_frame))
+               wol->wolopts &= ~WAKE_MAGIC;
+
        if (!device_can_wakeup(priv->device))
                return -EINVAL;
 
index 20546bb..8ea770a 100644 (file)
@@ -321,12 +321,10 @@ static int stmmac_init_phy(struct net_device *dev)
        }
 
        /* Stop Advertising 1000BASE Capability if interface is not GMII */
-       if ((interface) && ((interface == PHY_INTERFACE_MODE_MII) ||
-           (interface == PHY_INTERFACE_MODE_RMII))) {
-               phydev->supported &= (PHY_BASIC_FEATURES | SUPPORTED_Pause |
-                                     SUPPORTED_Asym_Pause);
-               phydev->advertising = phydev->supported;
-       }
+       if ((interface == PHY_INTERFACE_MODE_MII) ||
+           (interface == PHY_INTERFACE_MODE_RMII))
+               phydev->advertising &= ~(SUPPORTED_1000baseT_Half |
+                                        SUPPORTED_1000baseT_Full);
 
        /*
         * Broken HW is sometimes missing the pull-up resistor on the
@@ -807,8 +805,29 @@ static u32 stmmac_get_synopsys_id(struct stmmac_priv *priv)
        return 0;
 }
 
-/* New GMAC chips support a new register to indicate the
- * presence of the optional feature/functions.
+/**
+ * stmmac_selec_desc_mode
+ * @dev : device pointer
+ * Description: select the Enhanced/Alternate or Normal descriptors */
+static void stmmac_selec_desc_mode(struct stmmac_priv *priv)
+{
+       if (priv->plat->enh_desc) {
+               pr_info(" Enhanced/Alternate descriptors\n");
+               priv->hw->desc = &enh_desc_ops;
+       } else {
+               pr_info(" Normal descriptors\n");
+               priv->hw->desc = &ndesc_ops;
+       }
+}
+
+/**
+ * stmmac_get_hw_features
+ * @priv : private device pointer
+ * Description:
+ *  new GMAC chip generations have a new register to indicate the
+ *  presence of the optional feature/functions.
+ *  This can be also used to override the value passed through the
+ *  platform and necessary for old MAC10/100 and GMAC chips.
  */
 static int stmmac_get_hw_features(struct stmmac_priv *priv)
 {
@@ -829,7 +848,7 @@ static int stmmac_get_hw_features(struct stmmac_priv *priv)
                        (hw_cap & DMA_HW_FEAT_RWKSEL) >> 9;
                priv->dma_cap.pmt_magic_frame =
                        (hw_cap & DMA_HW_FEAT_MGKSEL) >> 10;
-               /*MMC*/
+               /* MMC */
                priv->dma_cap.rmon = (hw_cap & DMA_HW_FEAT_MMCSEL) >> 11;
                /* IEEE 1588-2002*/
                priv->dma_cap.time_stamp =
@@ -857,8 +876,7 @@ static int stmmac_get_hw_features(struct stmmac_priv *priv)
                priv->dma_cap.enh_desc =
                        (hw_cap & DMA_HW_FEAT_ENHDESSEL) >> 24;
 
-       } else
-               pr_debug("\tNo HW DMA feature register supported");
+       }
 
        return hw_cap;
 }
@@ -913,6 +931,44 @@ static int stmmac_open(struct net_device *dev)
                goto open_error;
        }
 
+       stmmac_get_synopsys_id(priv);
+
+       priv->hw_cap_support = stmmac_get_hw_features(priv);
+
+       if (priv->hw_cap_support) {
+               pr_info(" Support DMA HW capability register");
+
+               /* We can override some gmac/dma configuration fields: e.g.
+                * enh_desc, tx_coe (e.g. that are passed through the
+                * platform) with the values from the HW capability
+                * register (if supported).
+                */
+               priv->plat->enh_desc = priv->dma_cap.enh_desc;
+               priv->plat->tx_coe = priv->dma_cap.tx_coe;
+               priv->plat->pmt = priv->dma_cap.pmt_remote_wake_up;
+
+               /* By default disable wol on magic frame if not supported */
+               if (!priv->dma_cap.pmt_magic_frame)
+                       priv->wolopts &= ~WAKE_MAGIC;
+
+       } else
+               pr_info(" No HW DMA feature register supported");
+
+       /* Select the enhnaced/normal descriptor structures */
+       stmmac_selec_desc_mode(priv);
+
+       /* PMT module is not integrated in all the MAC devices. */
+       if (priv->plat->pmt) {
+               pr_info(" Remote wake-up capable\n");
+               device_set_wakeup_capable(priv->device, 1);
+       }
+
+       priv->rx_coe = priv->hw->mac->rx_coe(priv->ioaddr);
+       if (priv->rx_coe)
+               pr_info(" Checksum Offload Engine supported\n");
+       if (priv->plat->tx_coe)
+               pr_info(" Checksum insertion supported\n");
+
        /* Create and initialize the TX/RX descriptors chains. */
        priv->dma_tx_size = STMMAC_ALIGN(dma_txsize);
        priv->dma_rx_size = STMMAC_ALIGN(dma_rxsize);
@@ -935,15 +991,6 @@ static int stmmac_open(struct net_device *dev)
        /* Initialize the MAC Core */
        priv->hw->mac->core_init(priv->ioaddr);
 
-       stmmac_get_synopsys_id(priv);
-
-       stmmac_get_hw_features(priv);
-
-       priv->rx_coe = priv->hw->mac->rx_coe(priv->ioaddr);
-       if (priv->rx_coe)
-               pr_info("stmmac: Rx Checksum Offload Engine supported\n");
-       if (priv->plat->tx_coe)
-               pr_info("\tTX Checksum insertion supported\n");
        netdev_update_features(dev);
 
        /* Request the IRQ lines */
@@ -1489,9 +1536,7 @@ static int stmmac_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
        if (!priv->phydev)
                return -EINVAL;
 
-       spin_lock(&priv->lock);
        ret = phy_mii_ioctl(priv->phydev, rq, cmd);
-       spin_unlock(&priv->lock);
 
        return ret;
 }
@@ -1558,7 +1603,7 @@ static int stmmac_sysfs_dma_cap_read(struct seq_file *seq, void *v)
        struct net_device *dev = seq->private;
        struct stmmac_priv *priv = netdev_priv(dev);
 
-       if (!stmmac_get_hw_features(priv)) {
+       if (!priv->hw_cap_support) {
                seq_printf(seq, "DMA HW features not supported\n");
                return 0;
        }
@@ -1766,12 +1811,6 @@ static int stmmac_mac_device_setup(struct net_device *dev)
        if (!device)
                return -ENOMEM;
 
-       if (priv->plat->enh_desc) {
-               device->desc = &enh_desc_ops;
-               pr_info("\tEnhanced descriptor structure\n");
-       } else
-               device->desc = &ndesc_ops;
-
        priv->hw = device;
        priv->hw->ring = &ring_mode_ops;
 
@@ -1845,11 +1884,6 @@ static int stmmac_dvr_probe(struct platform_device *pdev)
 
        priv->ioaddr = addr;
 
-       /* PMT module is not integrated in all the MAC devices. */
-       if (plat_dat->pmt) {
-               pr_info("\tPMT module supported\n");
-               device_set_wakeup_capable(&pdev->dev, 1);
-       }
        /*
         * On some platforms e.g. SPEAr the wake up irq differs from the mac irq
         * The external wake up irq can be passed through the platform code
@@ -1862,7 +1896,6 @@ static int stmmac_dvr_probe(struct platform_device *pdev)
        if (priv->wol_irq == -ENXIO)
                priv->wol_irq = ndev->irq;
 
-
        platform_set_drvdata(pdev, ndev);
 
        /* Set the I/O base addr */
@@ -1875,7 +1908,7 @@ static int stmmac_dvr_probe(struct platform_device *pdev)
                        goto out_free_ndev;
        }
 
-       /* MAC HW revice detection */
+       /* MAC HW device detection */
        ret = stmmac_mac_device_setup(ndev);
        if (ret < 0)
                goto out_plat_exit;
@@ -1978,12 +2011,13 @@ static int stmmac_suspend(struct device *dev)
        if (!ndev || !netif_running(ndev))
                return 0;
 
+       if (priv->phydev)
+               phy_stop(priv->phydev);
+
        spin_lock(&priv->lock);
 
        netif_device_detach(ndev);
        netif_stop_queue(ndev);
-       if (priv->phydev)
-               phy_stop(priv->phydev);
 
 #ifdef CONFIG_STMMAC_TIMER
        priv->tm->timer_stop();
@@ -2041,12 +2075,13 @@ static int stmmac_resume(struct device *dev)
 #endif
        napi_enable(&priv->napi);
 
-       if (priv->phydev)
-               phy_start(priv->phydev);
-
        netif_start_queue(ndev);
 
        spin_unlock(&priv->lock);
+
+       if (priv->phydev)
+               phy_start(priv->phydev);
+
        return 0;
 }
 
index c517dac..cf14ab9 100644 (file)
@@ -2637,7 +2637,7 @@ static int __devinit happy_meal_sbus_probe_one(struct platform_device *op, int i
        sbus_dp = op->dev.parent->of_node;
 
        /* We can match PCI devices too, do not accept those here. */
-       if (strcmp(sbus_dp->name, "sbus"))
+       if (strcmp(sbus_dp->name, "sbus") && strcmp(sbus_dp->name, "sbi"))
                return err;
 
        if (is_qfe) {
index caf3659..2681b53 100644 (file)
@@ -114,6 +114,7 @@ void temac_indirect_out32(struct temac_local *lp, int reg, u32 value)
                return;
        temac_iow(lp, XTE_LSW0_OFFSET, value);
        temac_iow(lp, XTE_CTL0_OFFSET, CNTLREG_WRITE_ENABLE_MASK | reg);
+       temac_indirect_busywait(lp);
 }
 
 /**
@@ -203,6 +204,9 @@ static void temac_dma_bd_release(struct net_device *ndev)
        struct temac_local *lp = netdev_priv(ndev);
        int i;
 
+       /* Reset Local Link (DMA) */
+       lp->dma_out(lp, DMA_CONTROL_REG, DMA_CONTROL_RST);
+
        for (i = 0; i < RX_BD_NUM; i++) {
                if (!lp->rx_skb[i])
                        break;
@@ -860,6 +864,8 @@ static int temac_open(struct net_device *ndev)
                phy_start(lp->phy_dev);
        }
 
+       temac_device_reset(ndev);
+
        rc = request_irq(lp->tx_irq, ll_temac_tx_irq, 0, ndev->name, ndev);
        if (rc)
                goto err_tx_irq;
@@ -867,7 +873,6 @@ static int temac_open(struct net_device *ndev)
        if (rc)
                goto err_rx_irq;
 
-       temac_device_reset(ndev);
        return 0;
 
  err_rx_irq:
index 7393eb7..95eb34f 100644 (file)
@@ -36,4 +36,4 @@ config ROADRUNNER_LARGE_RINGS
          kernel code or by user space programs. Say Y here only if you have
          the memory.
 
-endif /* HIPPI */
+endif # HIPPI
index e81e22e..e6fed4d 100644 (file)
@@ -36,7 +36,7 @@
 #include <linux/usb/usbnet.h>
 #include <linux/slab.h>
 
-#define DRIVER_VERSION "26-Sep-2011"
+#define DRIVER_VERSION "08-Nov-2011"
 #define DRIVER_NAME "asix"
 
 /* ASIX AX8817X based USB 2.0 Ethernet Devices */
 #define MARVELL_CTRL_TXDELAY   0x0002
 #define MARVELL_CTRL_RXDELAY   0x0080
 
-#define        PHY_MODE_RTL8211CL      0x0004
+#define        PHY_MODE_RTL8211CL      0x000C
 
 /* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */
 struct asix_data {
@@ -652,9 +652,17 @@ static u32 asix_get_phyid(struct usbnet *dev)
 {
        int phy_reg;
        u32 phy_id;
+       int i;
 
-       phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
-       if (phy_reg < 0)
+       /* Poll for the rare case the FW or phy isn't ready yet.  */
+       for (i = 0; i < 100; i++) {
+               phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
+               if (phy_reg != 0 && phy_reg != 0xFFFF)
+                       break;
+               mdelay(1);
+       }
+
+       if (phy_reg <= 0 || phy_reg == 0xFFFF)
                return 0;
 
        phy_id = (phy_reg & 0xffff) << 16;
@@ -1075,7 +1083,7 @@ static const struct net_device_ops ax88772_netdev_ops = {
 
 static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
 {
-       int ret;
+       int ret, embd_phy;
        struct asix_data *data = (struct asix_data *)&dev->data;
        u8 buf[ETH_ALEN];
        u32 phyid;
@@ -1100,16 +1108,36 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
        dev->mii.reg_num_mask = 0x1f;
        dev->mii.phy_id = asix_get_phy_addr(dev);
 
-       phyid = asix_get_phyid(dev);
-       dbg("PHYID=0x%08x", phyid);
-
        dev->net->netdev_ops = &ax88772_netdev_ops;
        dev->net->ethtool_ops = &ax88772_ethtool_ops;
 
-       ret = ax88772_reset(dev);
+       embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
+
+       /* Reset the PHY to normal operation mode */
+       ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL);
+       if (ret < 0) {
+               dbg("Select PHY #1 failed: %d", ret);
+               return ret;
+       }
+
+       ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL);
+       if (ret < 0)
+               return ret;
+
+       msleep(150);
+
+       ret = asix_sw_reset(dev, AX_SWRESET_CLEAR);
        if (ret < 0)
                return ret;
 
+       msleep(150);
+
+       ret = asix_sw_reset(dev, embd_phy ? AX_SWRESET_IPRL : AX_SWRESET_PRTE);
+
+       /* Read PHYID register *AFTER* the PHY was reset properly */
+       phyid = asix_get_phyid(dev);
+       dbg("PHYID=0x%08x", phyid);
+
        /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
        if (dev->driver_info->flags & FLAG_FRAMING_AX) {
                /* hard_mtu  is still the default - the device does not support
@@ -1220,6 +1248,7 @@ static int ax88178_reset(struct usbnet *dev)
        __le16 eeprom;
        u8 status;
        int gpio0 = 0;
+       u32 phyid;
 
        asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status);
        dbg("GPIO Status: 0x%04x", status);
@@ -1235,12 +1264,13 @@ static int ax88178_reset(struct usbnet *dev)
                data->ledmode = 0;
                gpio0 = 1;
        } else {
-               data->phymode = le16_to_cpu(eeprom) & 7;
+               data->phymode = le16_to_cpu(eeprom) & 0x7F;
                data->ledmode = le16_to_cpu(eeprom) >> 8;
                gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1;
        }
        dbg("GPIO0: %d, PhyMode: %d", gpio0, data->phymode);
 
+       /* Power up external GigaPHY through AX88178 GPIO pin */
        asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 | AX_GPIO_GPO1EN, 40);
        if ((le16_to_cpu(eeprom) >> 8) != 1) {
                asix_write_gpio(dev, 0x003c, 30);
@@ -1252,6 +1282,13 @@ static int ax88178_reset(struct usbnet *dev)
                asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30);
        }
 
+       /* Read PHYID register *AFTER* powering up PHY */
+       phyid = asix_get_phyid(dev);
+       dbg("PHYID=0x%08x", phyid);
+
+       /* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */
+       asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL);
+
        asix_sw_reset(dev, 0);
        msleep(150);
 
@@ -1396,7 +1433,6 @@ static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
 {
        int ret;
        u8 buf[ETH_ALEN];
-       u32 phyid;
        struct asix_data *data = (struct asix_data *)&dev->data;
 
        data->eeprom_len = AX88772_EEPROM_LEN;
@@ -1423,12 +1459,12 @@ static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
        dev->net->netdev_ops = &ax88178_netdev_ops;
        dev->net->ethtool_ops = &ax88178_ethtool_ops;
 
-       phyid = asix_get_phyid(dev);
-       dbg("PHYID=0x%08x", phyid);
+       /* Blink LEDS so users know driver saw dongle */
+       asix_sw_reset(dev, 0);
+       msleep(150);
 
-       ret = ax88178_reset(dev);
-       if (ret < 0)
-               return ret;
+       asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
+       msleep(150);
 
        /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
        if (dev->driver_info->flags & FLAG_FRAMING_AX) {
index c924ea2..99ed6eb 100644 (file)
@@ -567,7 +567,7 @@ static const struct usb_device_id   products [] = {
 {
        USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM,
                        USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
-       .driver_info = (unsigned long)&wwan_info,
+       .driver_info = 0,
 },
 
 /*
index d43db32..9c26c63 100644 (file)
@@ -144,10 +144,11 @@ static int vl600_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
        }
 
        frame = (struct vl600_frame_hdr *) buf->data;
-       /* NOTE: Should check that frame->magic == 0x53544448?
-        * Otherwise if we receive garbage at the beginning of the frame
-        * we may end up allocating a huge buffer and saving all the
-        * future incoming data into it.  */
+       /* Yes, check that frame->magic == 0x53544448 (or 0x44544d48),
+        * otherwise we may run out of memory w/a bad packet */
+       if (ntohl(frame->magic) != 0x53544448 &&
+                       ntohl(frame->magic) != 0x44544d48)
+               goto error;
 
        if (buf->len < sizeof(*frame) ||
                        buf->len != le32_to_cpup(&frame->len)) {
@@ -296,6 +297,11 @@ encapsulate:
         * overwrite the remaining fields.
         */
        packet = (struct vl600_pkt_hdr *) skb->data;
+       /* The VL600 wants IPv6 packets to have an IPv4 ethertype
+        * Since this modem only supports IPv4 and IPv6, just set all
+        * frames to 0x0800 (ETH_P_IP)
+        */
+       packet->h_proto = htons(ETH_P_IP);
        memset(&packet->dummy, 0, sizeof(packet->dummy));
        packet->len = cpu_to_le32(orig_len);
 
@@ -308,21 +314,12 @@ encapsulate:
        if (skb->len < full_len) /* Pad */
                skb_put(skb, full_len - skb->len);
 
-       /* The VL600 wants IPv6 packets to have an IPv4 ethertype
-        * Check if this is an IPv6 packet, and set the ethertype
-        * to 0x800
-        */
-       if ((skb->data[sizeof(struct vl600_pkt_hdr *) + 0x22] & 0xf0) == 0x60) {
-               skb->data[sizeof(struct vl600_pkt_hdr *) + 0x20] = 0x08;
-               skb->data[sizeof(struct vl600_pkt_hdr *) + 0x21] = 0;
-       }
-
        return skb;
 }
 
 static const struct driver_info        vl600_info = {
        .description    = "LG VL600 modem",
-       .flags          = FLAG_ETHER | FLAG_RX_ASSEMBLE,
+       .flags          = FLAG_RX_ASSEMBLE | FLAG_WWAN,
        .bind           = vl600_bind,
        .unbind         = vl600_unbind,
        .status         = usbnet_cdc_status,
index 22a7cf9..a5b9b12 100644 (file)
@@ -51,6 +51,7 @@
 #define USB_VENDOR_ID_SMSC             (0x0424)
 #define USB_PRODUCT_ID_LAN7500         (0x7500)
 #define USB_PRODUCT_ID_LAN7505         (0x7505)
+#define RXW_PADDING                    2
 
 #define check_warn(ret, fmt, args...) \
        ({ if (ret < 0) netdev_warn(dev->net, fmt, ##args); })
@@ -1088,13 +1089,13 @@ static int smsc75xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 
                memcpy(&rx_cmd_b, skb->data, sizeof(rx_cmd_b));
                le32_to_cpus(&rx_cmd_b);
-               skb_pull(skb, 4 + NET_IP_ALIGN);
+               skb_pull(skb, 4 + RXW_PADDING);
 
                packet = skb->data;
 
                /* get the packet length */
-               size = (rx_cmd_a & RX_CMD_A_LEN) - NET_IP_ALIGN;
-               align_count = (4 - ((size + NET_IP_ALIGN) % 4)) % 4;
+               size = (rx_cmd_a & RX_CMD_A_LEN) - RXW_PADDING;
+               align_count = (4 - ((size + RXW_PADDING) % 4)) % 4;
 
                if (unlikely(rx_cmd_a & RX_CMD_A_RED)) {
                        netif_dbg(dev, rx_err, dev->net,
index 85fa9cc..65ecb5b 100644 (file)
@@ -254,6 +254,8 @@ ath_reg_apply_active_scan_flags(struct wiphy *wiphy,
        int r;
 
        sband = wiphy->bands[IEEE80211_BAND_2GHZ];
+       if (!sband)
+               return;
 
        /*
         * If no country IE has been received always enable active scan
index 58ea0e5..5f77cbe 100644 (file)
@@ -175,6 +175,7 @@ void b43_generate_plcp_hdr(struct b43_plcp_hdr4 *plcp,
        }
 }
 
+/* TODO: verify if needed for SSLPN or LCN  */
 static u16 b43_generate_tx_phy_ctl1(struct b43_wldev *dev, u8 bitrate)
 {
        const struct b43_phy *phy = &dev->phy;
@@ -256,6 +257,9 @@ int b43_generate_txhdr(struct b43_wldev *dev,
        unsigned int plcp_fragment_len;
        u32 mac_ctl = 0;
        u16 phy_ctl = 0;
+       bool fill_phy_ctl1 = (phy->type == B43_PHYTYPE_LP ||
+                             phy->type == B43_PHYTYPE_N ||
+                             phy->type == B43_PHYTYPE_HT);
        u8 extra_ft = 0;
        struct ieee80211_rate *txrate;
        struct ieee80211_tx_rate *rates;
@@ -531,7 +535,7 @@ int b43_generate_txhdr(struct b43_wldev *dev,
                        extra_ft |= B43_TXH_EFT_RTSFB_CCK;
 
                if (rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS &&
-                   phy->type == B43_PHYTYPE_N) {
+                   fill_phy_ctl1) {
                        txhdr->phy_ctl1_rts = cpu_to_le16(
                                b43_generate_tx_phy_ctl1(dev, rts_rate));
                        txhdr->phy_ctl1_rts_fb = cpu_to_le16(
@@ -552,7 +556,7 @@ int b43_generate_txhdr(struct b43_wldev *dev,
                break;
        }
 
-       if (phy->type == B43_PHYTYPE_N) {
+       if (fill_phy_ctl1) {
                txhdr->phy_ctl1 =
                        cpu_to_le16(b43_generate_tx_phy_ctl1(dev, rate));
                txhdr->phy_ctl1_fb =
@@ -736,7 +740,14 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 
        /* Link quality statistics */
        switch (chanstat & B43_RX_CHAN_PHYTYPE) {
+       case B43_PHYTYPE_HT:
+               /* TODO: is max the right choice? */
+               status.signal = max_t(__s8,
+                       max(rxhdr->phy_ht_power0, rxhdr->phy_ht_power1),
+                       rxhdr->phy_ht_power2);
+               break;
        case B43_PHYTYPE_N:
+               /* Broadcom has code for min and avg, but always uses max */
                if (rxhdr->power0 == 16 || rxhdr->power0 == 32)
                        status.signal = max(rxhdr->power1, rxhdr->power2);
                else
index 16c514d..98d9074 100644 (file)
@@ -249,6 +249,12 @@ struct b43_rxhdr_fw4 {
                } __packed;
        } __packed;
        union {
+               /* HT-PHY */
+               struct {
+                       PAD_BYTES(1);
+                       __s8 phy_ht_power0;
+               } __packed;
+
                /* RSSI for N-PHYs */
                struct {
                        __s8 power2;
@@ -257,7 +263,15 @@ struct b43_rxhdr_fw4 {
 
                __le16 phy_status2;     /* PHY RX Status 2 */
        } __packed;
-       __le16 phy_status3;     /* PHY RX Status 3 */
+       union {
+               /* HT-PHY */
+               struct {
+                       __s8 phy_ht_power1;
+                       __s8 phy_ht_power2;
+               } __packed;
+
+               __le16 phy_status3;     /* PHY RX Status 3 */
+       } __packed;
        union {
                /* Tested with 598.314, 644.1001 and 666.2 */
                struct {
index b56a302..6ebec8f 100644 (file)
@@ -358,13 +358,14 @@ static uint nrxdactive(struct dma_info *di, uint h, uint t)
 
 static uint _dma_ctrlflags(struct dma_info *di, uint mask, uint flags)
 {
-       uint dmactrlflags = di->dma.dmactrlflags;
+       uint dmactrlflags;
 
        if (di == NULL) {
-               DMA_ERROR(("%s: _dma_ctrlflags: NULL dma handle\n", di->name));
+               DMA_ERROR(("_dma_ctrlflags: NULL dma handle\n"));
                return 0;
        }
 
+       dmactrlflags = di->dma.dmactrlflags;
        dmactrlflags &= ~mask;
        dmactrlflags |= flags;
 
index da34110..ce91898 100644 (file)
@@ -990,29 +990,16 @@ static int iwl_trans_tx_stop(struct iwl_trans *trans)
        return 0;
 }
 
-static void iwl_trans_pcie_disable_sync_irq(struct iwl_trans *trans)
+static void iwl_trans_pcie_stop_device(struct iwl_trans *trans)
 {
        unsigned long flags;
-       struct iwl_trans_pcie *trans_pcie =
-               IWL_TRANS_GET_PCIE_TRANS(trans);
+       struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
 
+       /* tell the device to stop sending interrupts */
        spin_lock_irqsave(&trans->shrd->lock, flags);
        iwl_disable_interrupts(trans);
        spin_unlock_irqrestore(&trans->shrd->lock, flags);
 
-       /* wait to make sure we flush pending tasklet*/
-       synchronize_irq(bus(trans)->irq);
-       tasklet_kill(&trans_pcie->irq_tasklet);
-}
-
-static void iwl_trans_pcie_stop_device(struct iwl_trans *trans)
-{
-       /* stop and reset the on-board processor */
-       iwl_write32(bus(trans), CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
-
-       /* tell the device to stop sending interrupts */
-       iwl_trans_pcie_disable_sync_irq(trans);
-
        /* device going down, Stop using ICT table */
        iwl_disable_ict(trans);
 
@@ -1039,6 +1026,20 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans)
 
        /* Stop the device, and put it in low power state */
        iwl_apm_stop(priv(trans));
+
+       /* Upon stop, the APM issues an interrupt if HW RF kill is set.
+        * Clean again the interrupt here
+        */
+       spin_lock_irqsave(&trans->shrd->lock, flags);
+       iwl_disable_interrupts(trans);
+       spin_unlock_irqrestore(&trans->shrd->lock, flags);
+
+       /* wait to make sure we flush pending tasklet*/
+       synchronize_irq(bus(trans)->irq);
+       tasklet_kill(&trans_pcie->irq_tasklet);
+
+       /* stop and reset the on-board processor */
+       iwl_write32(bus(trans), CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
 }
 
 static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
index 4fcd653..a7f1ab2 100644 (file)
@@ -634,7 +634,7 @@ static int lbs_ret_scan(struct lbs_private *priv, unsigned long dummy,
                        if (channel &&
                            !(channel->flags & IEEE80211_CHAN_DISABLED))
                                cfg80211_inform_bss(wiphy, channel,
-                                       bssid, le64_to_cpu(*(__le64 *)tsfdesc),
+                                       bssid, get_unaligned_le64(tsfdesc),
                                        capa, intvl, ie, ielen,
                                        LBS_SCAN_RSSI_TO_MBM(rssi),
                                        GFP_KERNEL);
index 11b69b3..728baa4 100644 (file)
@@ -995,6 +995,7 @@ static int if_spi_host_to_card(struct lbs_private *priv,
                spin_unlock_irqrestore(&card->buffer_lock, flags);
                break;
        default:
+               kfree(packet);
                netdev_err(priv->dev, "can't transfer buffer of type %d\n",
                           type);
                err = -EINVAL;
index dae8dbb..8d3ab37 100644 (file)
@@ -819,8 +819,10 @@ mwifiex_scan_setup_scan_config(struct mwifiex_private *priv,
                        wildcard_ssid_tlv->header.len = cpu_to_le16(
                                (u16) (ssid_len + sizeof(wildcard_ssid_tlv->
                                                         max_ssid_length)));
-                       wildcard_ssid_tlv->max_ssid_length =
-                               user_scan_in->ssid_list[ssid_idx].max_len;
+
+                       /* max_ssid_length = 0 tells firmware to perform
+                          specific scan for the SSID filled */
+                       wildcard_ssid_tlv->max_ssid_length = 0;
 
                        memcpy(wildcard_ssid_tlv->ssid,
                               user_scan_in->ssid_list[ssid_idx].ssid,
@@ -1469,7 +1471,7 @@ mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid,
                               s32 rssi, const u8 *ie_buf, size_t ie_len,
                               u16 beacon_period, u16 cap_info_bitmap, u8 band)
 {
-       struct mwifiex_bssdescriptor *bss_desc = NULL;
+       struct mwifiex_bssdescriptor *bss_desc;
        int ret;
        unsigned long flags;
        u8 *beacon_ie;
@@ -1484,6 +1486,7 @@ mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid,
 
        beacon_ie = kmemdup(ie_buf, ie_len, GFP_KERNEL);
        if (!beacon_ie) {
+               kfree(bss_desc);
                dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n");
                return -ENOMEM;
        }
index f156579..3778763 100644 (file)
@@ -919,6 +919,7 @@ static struct usb_device_id rt2800usb_device_table[] = {
        { USB_DEVICE(0x050d, 0x935b) },
        /* Buffalo */
        { USB_DEVICE(0x0411, 0x00e8) },
+       { USB_DEVICE(0x0411, 0x0158) },
        { USB_DEVICE(0x0411, 0x016f) },
        { USB_DEVICE(0x0411, 0x01a2) },
        /* Corega */
index 2ec5c00..99ff12d 100644 (file)
@@ -943,6 +943,7 @@ struct rt2x00_dev {
         * Powersaving work
         */
        struct delayed_work autowakeup_work;
+       struct work_struct sleep_work;
 
        /*
         * Data queue arrays for RX, TX, Beacon and ATIM.
index e1fb2a8..edd317f 100644 (file)
@@ -465,6 +465,23 @@ static u8 *rt2x00lib_find_ie(u8 *data, unsigned int len, u8 ie)
        return NULL;
 }
 
+static void rt2x00lib_sleep(struct work_struct *work)
+{
+       struct rt2x00_dev *rt2x00dev =
+           container_of(work, struct rt2x00_dev, sleep_work);
+
+       if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
+               return;
+
+       /*
+        * Check again is powersaving is enabled, to prevent races from delayed
+        * work execution.
+        */
+       if (!test_bit(CONFIG_POWERSAVING, &rt2x00dev->flags))
+               rt2x00lib_config(rt2x00dev, &rt2x00dev->hw->conf,
+                                IEEE80211_CONF_CHANGE_PS);
+}
+
 static void rt2x00lib_rxdone_check_ps(struct rt2x00_dev *rt2x00dev,
                                      struct sk_buff *skb,
                                      struct rxdone_entry_desc *rxdesc)
@@ -512,8 +529,7 @@ static void rt2x00lib_rxdone_check_ps(struct rt2x00_dev *rt2x00dev,
        cam |= (tim_ie->bitmap_ctrl & 0x01);
 
        if (!cam && !test_bit(CONFIG_POWERSAVING, &rt2x00dev->flags))
-               rt2x00lib_config(rt2x00dev, &rt2x00dev->hw->conf,
-                                IEEE80211_CONF_CHANGE_PS);
+               queue_work(rt2x00dev->workqueue, &rt2x00dev->sleep_work);
 }
 
 static int rt2x00lib_rxdone_read_signal(struct rt2x00_dev *rt2x00dev,
@@ -1141,6 +1157,7 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
 
        INIT_WORK(&rt2x00dev->intf_work, rt2x00lib_intf_scheduled);
        INIT_DELAYED_WORK(&rt2x00dev->autowakeup_work, rt2x00lib_autowakeup);
+       INIT_WORK(&rt2x00dev->sleep_work, rt2x00lib_sleep);
 
        /*
         * Let the driver probe the device to detect the capabilities.
@@ -1197,6 +1214,7 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev)
         */
        cancel_work_sync(&rt2x00dev->intf_work);
        cancel_delayed_work_sync(&rt2x00dev->autowakeup_work);
+       cancel_work_sync(&rt2x00dev->sleep_work);
        if (rt2x00_is_usb(rt2x00dev)) {
                del_timer_sync(&rt2x00dev->txstatus_timer);
                cancel_work_sync(&rt2x00dev->rxdone_work);
index 128ccb7..fc29c67 100644 (file)
@@ -559,7 +559,7 @@ wl12xx_scan_sched_scan_ssid_list(struct wl1271 *wl,
                                                break;
                                        }
                                /* Fail if SSID isn't present in the filters */
-                               if (j == req->n_ssids) {
+                               if (j == cmd->n_ssids) {
                                        ret = -EINVAL;
                                        goto out_free;
                                }
index fa80ba1..9b66d2d 100644 (file)
@@ -4,7 +4,7 @@ menu "S/390 network device drivers"
 config LCS
        def_tristate m
        prompt "Lan Channel Station Interface"
-       depends on CCW && NETDEVICES && (NET_ETHERNET || TR || FDDI)
+       depends on CCW && NETDEVICES && (ETHERNET || TR || FDDI)
        help
           Select this option if you want to use LCS networking on IBM System z.
           This device driver supports Token Ring (IEEE 802.5),
index c28713d..863fc21 100644 (file)
@@ -50,7 +50,7 @@
 #include "lcs.h"
 
 
-#if !defined(CONFIG_NET_ETHERNET) && \
+#if !defined(CONFIG_ETHERNET) && \
     !defined(CONFIG_TR) && !defined(CONFIG_FDDI)
 #error Cannot compile lcs.c without some net devices switched on.
 #endif
@@ -1634,7 +1634,7 @@ lcs_startlan_auto(struct lcs_card *card)
        int rc;
 
        LCS_DBF_TEXT(2, trace, "strtauto");
-#ifdef CONFIG_NET_ETHERNET
+#ifdef CONFIG_ETHERNET
        card->lan_type = LCS_FRAME_TYPE_ENET;
        rc = lcs_send_startlan(card, LCS_INITIATOR_TCPIP);
        if (rc == 0)
@@ -2166,7 +2166,7 @@ lcs_new_device(struct ccwgroup_device *ccwgdev)
                goto netdev_out;
        }
        switch (card->lan_type) {
-#ifdef CONFIG_NET_ETHERNET
+#ifdef CONFIG_ETHERNET
        case LCS_FRAME_TYPE_ENET:
                card->lan_type_trans = eth_type_trans;
                dev = alloc_etherdev(0);
index 3251333..b6a6356 100644 (file)
@@ -1994,6 +1994,8 @@ static struct net_device *netiucv_init_netdevice(char *username)
                           netiucv_setup_netdevice);
        if (!dev)
                return NULL;
+       if (dev_alloc_name(dev, dev->name) < 0)
+               goto out_netdev;
 
        privptr = netdev_priv(dev);
        privptr->fsm = init_fsm("netiucvdev", dev_state_names,
index b77c65e..4abc79d 100644 (file)
@@ -236,8 +236,7 @@ static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa,
 #define QETH_IN_BUF_COUNT_MAX 128
 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
-               ((card)->ssqd.qdioac1 & AC1_SIGA_INPUT_NEEDED ? 1 : \
-                ((card)->qdio.in_buf_pool.buf_count / 2))
+                ((card)->qdio.in_buf_pool.buf_count / 2)
 
 /* buffers we have to be behind before we get a PCI */
 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
index 8153443..fff57de 100644 (file)
@@ -881,7 +881,6 @@ EXPORT_SYMBOL_GPL(qeth_do_run_thread);
 void qeth_schedule_recovery(struct qeth_card *card)
 {
        QETH_CARD_TEXT(card, 2, "startrec");
-       WARN_ON(1);
        if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0)
                schedule_work(&card->kernel_thread_starter);
 }
index e4c1176..4d5307d 100644 (file)
@@ -2756,11 +2756,13 @@ int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
        struct neighbour *n = NULL;
        struct dst_entry *dst;
 
+       rcu_read_lock();
        dst = skb_dst(skb);
        if (dst)
                n = dst_get_neighbour(dst);
        if (n) {
                cast_type = n->type;
+               rcu_read_unlock();
                if ((cast_type == RTN_BROADCAST) ||
                    (cast_type == RTN_MULTICAST) ||
                    (cast_type == RTN_ANYCAST))
@@ -2768,6 +2770,8 @@ int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
                else
                        return RTN_UNSPEC;
        }
+       rcu_read_unlock();
+
        /* try something else */
        if (skb->protocol == ETH_P_IPV6)
                return (skb_network_header(skb)[24] == 0xff) ?
@@ -2847,6 +2851,8 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
        }
 
        hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
+
+       rcu_read_lock();
        dst = skb_dst(skb);
        if (dst)
                n = dst_get_neighbour(dst);
@@ -2893,6 +2899,7 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
                                QETH_CAST_UNICAST | QETH_HDR_PASSTHRU;
                }
        }
+       rcu_read_unlock();
 }
 
 static inline void qeth_l3_hdr_csum(struct qeth_card *card,
index 0ea2fbf..d979bb2 100644 (file)
@@ -335,10 +335,10 @@ static ssize_t qeth_l3_dev_sniffer_store(struct device *dev,
                                        QETH_IN_BUF_COUNT_MAX)
                                qeth_realloc_buffer_pool(card,
                                        QETH_IN_BUF_COUNT_MAX);
-                       break;
                } else
                        rc = -EPERM;
-       default:   /* fall through */
+               break;
+       default:
                rc = -EINVAL;
        }
 out:
index f103e47..5559b22 100644 (file)
@@ -2184,6 +2184,12 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id)
                goto  err_clk_prep;
        }
 
+       status = clk_enable(pl022->clk);
+       if (status) {
+               dev_err(&adev->dev, "could not enable SSP/SPI bus clock\n");
+               goto err_no_clk_en;
+       }
+
        /* Disable SSP */
        writew((readw(SSP_CR1(pl022->virtbase)) & (~SSP_CR1_MASK_SSE)),
               SSP_CR1(pl022->virtbase));
@@ -2237,6 +2243,8 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id)
 
        free_irq(adev->irq[0], pl022);
  err_no_irq:
+       clk_disable(pl022->clk);
+ err_no_clk_en:
        clk_unprepare(pl022->clk);
  err_clk_prep:
        clk_put(pl022->clk);
index 3490770..16a509a 100644 (file)
@@ -346,7 +346,7 @@ static void pn_rx_complete(struct usb_ep *ep, struct usb_request *req)
                }
 
                skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page,
-                               skb->len == 0, req->actual);
+                               skb->len <= 1, req->actual);
                page = NULL;
 
                if (req->actual < req->length) { /* Last fragment */
index ffbcf95..52b3a41 100644 (file)
@@ -682,6 +682,11 @@ static inline bool device_async_suspend_enabled(struct device *dev)
        return !!dev->power.async_suspend;
 }
 
+static inline void pm_suspend_ignore_children(struct device *dev, bool enable)
+{
+       dev->power.ignore_children = enable;
+}
+
 static inline void device_lock(struct device *dev)
 {
        mutex_lock(&dev->mutex);
index 80b480c..abf5028 100644 (file)
@@ -98,9 +98,10 @@ enum {
        INET_DIAG_VEGASINFO,
        INET_DIAG_CONG,
        INET_DIAG_TOS,
+       INET_DIAG_TCLASS,
 };
 
-#define INET_DIAG_MAX INET_DIAG_TOS
+#define INET_DIAG_MAX INET_DIAG_TCLASS
 
 
 /* INET_DIAG_MEM */
index f47fcd3..c3892fc 100644 (file)
@@ -555,7 +555,6 @@ struct kvm_ppc_pvinfo {
 #define KVM_CAP_PPC_SMT 64
 #define KVM_CAP_PPC_RMA        65
 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
-#define KVM_CAP_PPC_HIOR 67
 #define KVM_CAP_PPC_PAPR 68
 #define KVM_CAP_S390_GMAP 71
 
index f15acb6..5c4c8b1 100644 (file)
@@ -447,6 +447,7 @@ struct dev_pm_info {
        unsigned int            async_suspend:1;
        bool                    is_prepared:1;  /* Owned by the PM core */
        bool                    is_suspended:1; /* Ditto */
+       bool                    ignore_children:1;
        spinlock_t              lock;
 #ifdef CONFIG_PM_SLEEP
        struct list_head        entry;
@@ -464,7 +465,6 @@ struct dev_pm_info {
        atomic_t                usage_count;
        atomic_t                child_count;
        unsigned int            disable_depth:3;
-       unsigned int            ignore_children:1;
        unsigned int            idle_notification:1;
        unsigned int            request_pending:1;
        unsigned int            deferred_resume:1;
index d8d9036..d3085e7 100644 (file)
@@ -52,11 +52,6 @@ static inline bool pm_children_suspended(struct device *dev)
                || !atomic_read(&dev->power.child_count);
 }
 
-static inline void pm_suspend_ignore_children(struct device *dev, bool enable)
-{
-       dev->power.ignore_children = enable;
-}
-
 static inline void pm_runtime_get_noresume(struct device *dev)
 {
        atomic_inc(&dev->power.usage_count);
@@ -130,7 +125,6 @@ static inline void pm_runtime_allow(struct device *dev) {}
 static inline void pm_runtime_forbid(struct device *dev) {}
 
 static inline bool pm_children_suspended(struct device *dev) { return false; }
-static inline void pm_suspend_ignore_children(struct device *dev, bool en) {}
 static inline void pm_runtime_get_noresume(struct device *dev) {}
 static inline void pm_runtime_put_noidle(struct device *dev) {}
 static inline bool device_run_wake(struct device *dev) { return false; }
index ab90ae0..6cc18f3 100644 (file)
 #define L2CAP_DEFAULT_ACK_TO           200
 #define L2CAP_LE_DEFAULT_MTU           23
 
-#define L2CAP_CONN_TIMEOUT     (40000) /* 40 seconds */
-#define L2CAP_INFO_TIMEOUT     (4000)  /*  4 seconds */
+#define L2CAP_DISC_TIMEOUT             (100)
+#define L2CAP_DISC_REJ_TIMEOUT         (5000)  /*  5 seconds */
+#define L2CAP_ENC_TIMEOUT              (5000)  /*  5 seconds */
+#define L2CAP_CONN_TIMEOUT             (40000) /* 40 seconds */
+#define L2CAP_INFO_TIMEOUT             (4000)  /*  4 seconds */
 
 /* L2CAP socket address */
 struct sockaddr_l2 {
index 92cf1c2..95852e3 100644 (file)
@@ -456,6 +456,9 @@ enum station_parameters_apply_mask {
  *     as the AC bitmap in the QoS info field
  * @max_sp: max Service Period. same format as the MAX_SP in the
  *     QoS info field (but already shifted down)
+ * @sta_modify_mask: bitmap indicating which parameters changed
+ *     (for those that don't have a natural "no change" value),
+ *     see &enum station_parameters_apply_mask
  */
 struct station_parameters {
        u8 *supported_rates;
@@ -615,6 +618,7 @@ struct sta_bss_parameters {
  *     user space MLME/SME implementation. The information is provided for
  *     the cfg80211_new_sta() calls to notify user space of the IEs.
  * @assoc_req_ies_len: Length of assoc_req_ies buffer in octets.
+ * @sta_flags: station flags mask & values
  */
 struct station_info {
        u32 filled;
index b4511b6..196c012 100644 (file)
@@ -55,6 +55,8 @@ enum {
 
 static int hibernation_mode = HIBERNATION_SHUTDOWN;
 
+static bool freezer_test_done;
+
 static const struct platform_hibernation_ops *hibernation_ops;
 
 /**
@@ -347,6 +349,17 @@ int hibernation_snapshot(int platform_mode)
        if (error)
                goto Close;
 
+       if (hibernation_test(TEST_FREEZER) ||
+               hibernation_testmode(HIBERNATION_TESTPROC)) {
+
+               /*
+                * Indicate to the caller that we are returning due to a
+                * successful freezer test.
+                */
+               freezer_test_done = true;
+               goto Close;
+       }
+
        error = dpm_prepare(PMSG_FREEZE);
        if (error)
                goto Complete_devices;
@@ -641,15 +654,13 @@ int hibernate(void)
        if (error)
                goto Finish;
 
-       if (hibernation_test(TEST_FREEZER))
-               goto Thaw;
-
-       if (hibernation_testmode(HIBERNATION_TESTPROC))
-               goto Thaw;
-
        error = hibernation_snapshot(hibernation_mode == HIBERNATION_PLATFORM);
        if (error)
                goto Thaw;
+       if (freezer_test_done) {
+               freezer_test_done = false;
+               goto Thaw;
+       }
 
        if (in_suspend) {
                unsigned int flags = 0;
index 71f49fe..36e0f09 100644 (file)
@@ -290,13 +290,14 @@ static ssize_t state_store(struct kobject *kobj, struct kobj_attribute *attr,
                if (*s && len == strlen(*s) && !strncmp(buf, *s, len))
                        break;
        }
-       if (state < PM_SUSPEND_MAX && *s)
+       if (state < PM_SUSPEND_MAX && *s) {
                error = enter_state(state);
                if (error) {
                        suspend_stats.fail++;
                        dpm_save_failed_errno(error);
                } else
                        suspend_stats.success++;
+       }
 #endif
 
  Exit:
index c1c597e..e0af723 100644 (file)
@@ -673,7 +673,7 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
                goto encrypt;
 
 auth:
-       if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
+       if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
                return 0;
 
        if (!hci_conn_auth(conn, sec_level, auth_type))
index 8cd1291..5ea94a1 100644 (file)
@@ -251,7 +251,7 @@ static void l2cap_chan_timeout(unsigned long arg)
 
        if (sock_owned_by_user(sk)) {
                /* sk is owned by user. Try again later */
-               __set_chan_timer(chan, HZ / 5);
+               __set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
                bh_unlock_sock(sk);
                chan_put(chan);
                return;
@@ -2488,7 +2488,7 @@ static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hd
                if (sock_owned_by_user(sk)) {
                        l2cap_state_change(chan, BT_DISCONN);
                        __clear_chan_timer(chan);
-                       __set_chan_timer(chan, HZ / 5);
+                       __set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
                        break;
                }
 
@@ -2661,7 +2661,7 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
 
        default:
                sk->sk_err = ECONNRESET;
-               __set_chan_timer(chan, HZ * 5);
+               __set_chan_timer(chan, L2CAP_DISC_REJ_TIMEOUT);
                l2cap_send_disconn_req(conn, chan, ECONNRESET);
                goto done;
        }
@@ -2718,7 +2718,7 @@ static inline int l2cap_disconnect_req(struct l2cap_conn *conn, struct l2cap_cmd
        if (sock_owned_by_user(sk)) {
                l2cap_state_change(chan, BT_DISCONN);
                __clear_chan_timer(chan);
-               __set_chan_timer(chan, HZ / 5);
+               __set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
                bh_unlock_sock(sk);
                return 0;
        }
@@ -2752,7 +2752,7 @@ static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd
        if (sock_owned_by_user(sk)) {
                l2cap_state_change(chan,BT_DISCONN);
                __clear_chan_timer(chan);
-               __set_chan_timer(chan, HZ / 5);
+               __set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
                bh_unlock_sock(sk);
                return 0;
        }
@@ -3998,7 +3998,7 @@ static inline void l2cap_check_encryption(struct l2cap_chan *chan, u8 encrypt)
        if (encrypt == 0x00) {
                if (chan->sec_level == BT_SECURITY_MEDIUM) {
                        __clear_chan_timer(chan);
-                       __set_chan_timer(chan, HZ * 5);
+                       __set_chan_timer(chan, L2CAP_ENC_TIMEOUT);
                } else if (chan->sec_level == BT_SECURITY_HIGH)
                        l2cap_chan_close(chan, ECONNREFUSED);
        } else {
@@ -4066,7 +4066,7 @@ static int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
                                        L2CAP_CONN_REQ, sizeof(req), &req);
                        } else {
                                __clear_chan_timer(chan);
-                               __set_chan_timer(chan, HZ / 10);
+                               __set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
                        }
                } else if (chan->state == BT_CONNECT2) {
                        struct l2cap_conn_rsp rsp;
@@ -4086,7 +4086,7 @@ static int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
                                }
                        } else {
                                l2cap_state_change(chan, BT_DISCONN);
-                               __set_chan_timer(chan, HZ / 10);
+                               __set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
                                res = L2CAP_CR_SEC_BLOCK;
                                stat = L2CAP_CS_NO_INFO;
                        }
index 995cbe0..a5f4e57 100644 (file)
@@ -1501,6 +1501,8 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
 
        __skb_pull(skb2, offset);
        skb_reset_transport_header(skb2);
+       skb_postpull_rcsum(skb2, skb_network_header(skb2),
+                          skb_network_header_len(skb2));
 
        icmp6_type = icmp6_hdr(skb2)->icmp6_type;
 
@@ -1770,7 +1772,7 @@ int br_multicast_toggle(struct net_bridge *br, unsigned long val)
        int err = 0;
        struct net_bridge_mdb_htable *mdb;
 
-       spin_lock(&br->multicast_lock);
+       spin_lock_bh(&br->multicast_lock);
        if (br->multicast_disabled == !val)
                goto unlock;
 
@@ -1806,7 +1808,7 @@ rollback:
        }
 
 unlock:
-       spin_unlock(&br->multicast_lock);
+       spin_unlock_bh(&br->multicast_lock);
 
        return err;
 }
index c1f4154..36d1440 100644 (file)
@@ -136,8 +136,6 @@ static void ah_output_done(struct crypto_async_request *base, int err)
                memcpy(top_iph+1, iph+1, top_iph->ihl*4 - sizeof(struct iphdr));
        }
 
-       err = ah->nexthdr;
-
        kfree(AH_SKB_CB(skb)->tmp);
        xfrm_output_resume(skb, err);
 }
@@ -264,12 +262,12 @@ static void ah_input_done(struct crypto_async_request *base, int err)
        if (err)
                goto out;
 
+       err = ah->nexthdr;
+
        skb->network_header += ah_hlen;
        memcpy(skb_network_header(skb), work_iph, ihl);
        __skb_pull(skb, ah_hlen + ihl);
        skb_set_transport_header(skb, -ihl);
-
-       err = ah->nexthdr;
 out:
        kfree(AH_SKB_CB(skb)->tmp);
        xfrm_input_resume(skb, err);
@@ -371,8 +369,6 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb)
                if (err == -EINPROGRESS)
                        goto out;
 
-               if (err == -EBUSY)
-                       err = NET_XMIT_DROP;
                goto out_free;
        }
 
index f5e2bda..68e8ac5 100644 (file)
@@ -133,8 +133,8 @@ static int inet_csk_diag_fill(struct sock *sk,
                               &np->rcv_saddr);
                ipv6_addr_copy((struct in6_addr *)r->id.idiag_dst,
                               &np->daddr);
-               if (ext & (1 << (INET_DIAG_TOS - 1)))
-                       RTA_PUT_U8(skb, INET_DIAG_TOS, np->tclass);
+               if (ext & (1 << (INET_DIAG_TCLASS - 1)))
+                       RTA_PUT_U8(skb, INET_DIAG_TCLASS, np->tclass);
        }
 #endif
 
index ec93335..05d20cc 100644 (file)
@@ -640,6 +640,7 @@ int ip_options_rcv_srr(struct sk_buff *skb)
        }
        if (srrptr <= srrspace) {
                opt->srr_is_hit = 1;
+               iph->daddr = nexthop;
                opt->is_changed = 1;
        }
        return 0;
index a06f73f..43d4c3b 100644 (file)
@@ -339,7 +339,6 @@ void ping_err(struct sk_buff *skb, u32 info)
        sk = ping_v4_lookup(net, iph->daddr, iph->saddr,
                            ntohs(icmph->un.echo.id), skb->dev->ifindex);
        if (sk == NULL) {
-               ICMP_INC_STATS_BH(net, ICMP_MIB_INERRORS);
                pr_debug("no socket, dropping\n");
                return; /* No socket for error */
        }
@@ -679,7 +678,6 @@ static int ping_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
        pr_debug("ping_queue_rcv_skb(sk=%p,sk->num=%d,skb=%p)\n",
                inet_sk(sk), inet_sk(sk)->inet_num, skb);
        if (sock_queue_rcv_skb(sk, skb) < 0) {
-               ICMP_INC_STATS_BH(sock_net(sk), ICMP_MIB_INERRORS);
                kfree_skb(skb);
                pr_debug("ping_queue_rcv_skb -> failed\n");
                return -1;
index 155138d..0c74da8 100644 (file)
@@ -1304,16 +1304,42 @@ static void rt_del(unsigned hash, struct rtable *rt)
        spin_unlock_bh(rt_hash_lock_addr(hash));
 }
 
+static int check_peer_redir(struct dst_entry *dst, struct inet_peer *peer)
+{
+       struct rtable *rt = (struct rtable *) dst;
+       __be32 orig_gw = rt->rt_gateway;
+       struct neighbour *n, *old_n;
+
+       dst_confirm(&rt->dst);
+
+       rt->rt_gateway = peer->redirect_learned.a4;
+
+       n = ipv4_neigh_lookup(&rt->dst, &rt->rt_gateway);
+       if (IS_ERR(n))
+               return PTR_ERR(n);
+       old_n = xchg(&rt->dst._neighbour, n);
+       if (old_n)
+               neigh_release(old_n);
+       if (!n || !(n->nud_state & NUD_VALID)) {
+               if (n)
+                       neigh_event_send(n, NULL);
+               rt->rt_gateway = orig_gw;
+               return -EAGAIN;
+       } else {
+               rt->rt_flags |= RTCF_REDIRECTED;
+               call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, n);
+       }
+       return 0;
+}
+
 /* called in rcu_read_lock() section */
 void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
                    __be32 saddr, struct net_device *dev)
 {
        int s, i;
        struct in_device *in_dev = __in_dev_get_rcu(dev);
-       struct rtable *rt;
        __be32 skeys[2] = { saddr, 0 };
        int    ikeys[2] = { dev->ifindex, 0 };
-       struct flowi4 fl4;
        struct inet_peer *peer;
        struct net *net;
 
@@ -1336,33 +1362,42 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
                        goto reject_redirect;
        }
 
-       memset(&fl4, 0, sizeof(fl4));
-       fl4.daddr = daddr;
        for (s = 0; s < 2; s++) {
                for (i = 0; i < 2; i++) {
-                       fl4.flowi4_oif = ikeys[i];
-                       fl4.saddr = skeys[s];
-                       rt = __ip_route_output_key(net, &fl4);
-                       if (IS_ERR(rt))
-                               continue;
-
-                       if (rt->dst.error || rt->dst.dev != dev ||
-                           rt->rt_gateway != old_gw) {
-                               ip_rt_put(rt);
-                               continue;
-                       }
+                       unsigned int hash;
+                       struct rtable __rcu **rthp;
+                       struct rtable *rt;
+
+                       hash = rt_hash(daddr, skeys[s], ikeys[i], rt_genid(net));
+
+                       rthp = &rt_hash_table[hash].chain;
+
+                       while ((rt = rcu_dereference(*rthp)) != NULL) {
+                               rthp = &rt->dst.rt_next;
+
+                               if (rt->rt_key_dst != daddr ||
+                                   rt->rt_key_src != skeys[s] ||
+                                   rt->rt_oif != ikeys[i] ||
+                                   rt_is_input_route(rt) ||
+                                   rt_is_expired(rt) ||
+                                   !net_eq(dev_net(rt->dst.dev), net) ||
+                                   rt->dst.error ||
+                                   rt->dst.dev != dev ||
+                                   rt->rt_gateway != old_gw)
+                                       continue;
 
-                       if (!rt->peer)
-                               rt_bind_peer(rt, rt->rt_dst, 1);
+                               if (!rt->peer)
+                                       rt_bind_peer(rt, rt->rt_dst, 1);
 
-                       peer = rt->peer;
-                       if (peer) {
-                               peer->redirect_learned.a4 = new_gw;
-                               atomic_inc(&__rt_peer_genid);
+                               peer = rt->peer;
+                               if (peer) {
+                                       if (peer->redirect_learned.a4 != new_gw) {
+                                               peer->redirect_learned.a4 = new_gw;
+                                               atomic_inc(&__rt_peer_genid);
+                                       }
+                                       check_peer_redir(&rt->dst, peer);
+                               }
                        }
-
-                       ip_rt_put(rt);
-                       return;
                }
        }
        return;
@@ -1649,33 +1684,6 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
        }
 }
 
-static int check_peer_redir(struct dst_entry *dst, struct inet_peer *peer)
-{
-       struct rtable *rt = (struct rtable *) dst;
-       __be32 orig_gw = rt->rt_gateway;
-       struct neighbour *n, *old_n;
-
-       dst_confirm(&rt->dst);
-
-       rt->rt_gateway = peer->redirect_learned.a4;
-
-       n = ipv4_neigh_lookup(&rt->dst, &rt->rt_gateway);
-       if (IS_ERR(n))
-               return PTR_ERR(n);
-       old_n = xchg(&rt->dst._neighbour, n);
-       if (old_n)
-               neigh_release(old_n);
-       if (!n || !(n->nud_state & NUD_VALID)) {
-               if (n)
-                       neigh_event_send(n, NULL);
-               rt->rt_gateway = orig_gw;
-               return -EAGAIN;
-       } else {
-               rt->rt_flags |= RTCF_REDIRECTED;
-               call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, n);
-       }
-       return 0;
-}
 
 static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie)
 {
@@ -2845,7 +2853,7 @@ static int rt_fill_info(struct net *net,
        struct rtable *rt = skb_rtable(skb);
        struct rtmsg *r;
        struct nlmsghdr *nlh;
-       long expires = 0;
+       unsigned long expires = 0;
        const struct inet_peer *peer = rt->peer;
        u32 id = 0, ts = 0, tsage = 0, error;
 
@@ -2902,8 +2910,12 @@ static int rt_fill_info(struct net *net,
                        tsage = get_seconds() - peer->tcp_ts_stamp;
                }
                expires = ACCESS_ONCE(peer->pmtu_expires);
-               if (expires)
-                       expires -= jiffies;
+               if (expires) {
+                       if (time_before(jiffies, expires))
+                               expires -= jiffies;
+                       else
+                               expires = 0;
+               }
        }
 
        if (rt_is_input_route(rt)) {
index a744315..a9db4b1 100644 (file)
@@ -1510,6 +1510,7 @@ exit:
        NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS);
        return NULL;
 put_and_exit:
+       tcp_clear_xmit_timers(newsk);
        bh_unlock_sock(newsk);
        sock_put(newsk);
        goto exit;
index 980b98f..63170e2 100644 (file)
@@ -1382,7 +1382,7 @@ static inline int tcp_minshall_check(const struct tcp_sock *tp)
 /* Return 0, if packet can be sent now without violation Nagle's rules:
  * 1. It is full sized.
  * 2. Or it contains FIN. (already checked by caller)
- * 3. Or TCP_NODELAY was set.
+ * 3. Or TCP_CORK is not set, and TCP_NODELAY is set.
  * 4. Or TCP_CORK is not set, and all sent packets are ACKed.
  *    With Minshall's modification: all sent small packets are ACKed.
  */
index 2195ae6..4c0f894 100644 (file)
@@ -324,8 +324,6 @@ static void ah6_output_done(struct crypto_async_request *base, int err)
 #endif
        }
 
-       err = ah->nexthdr;
-
        kfree(AH_SKB_CB(skb)->tmp);
        xfrm_output_resume(skb, err);
 }
@@ -466,12 +464,12 @@ static void ah6_input_done(struct crypto_async_request *base, int err)
        if (err)
                goto out;
 
+       err = ah->nexthdr;
+
        skb->network_header += ah_hlen;
        memcpy(skb_network_header(skb), work_iph, hdr_len);
        __skb_pull(skb, ah_hlen + hdr_len);
        skb_set_transport_header(skb, -hdr_len);
-
-       err = ah->nexthdr;
 out:
        kfree(AH_SKB_CB(skb)->tmp);
        xfrm_input_resume(skb, err);
@@ -583,8 +581,6 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
                if (err == -EINPROGRESS)
                        goto out;
 
-               if (err == -EBUSY)
-                       err = NET_XMIT_DROP;
                goto out_free;
        }
 
index 027c7ff..a46c64e 100644 (file)
@@ -111,6 +111,14 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
            ipv6_addr_loopback(&hdr->daddr))
                goto err;
 
+       /*
+        * RFC4291 2.7
+        * Multicast addresses must not be used as source addresses in IPv6
+        * packets or appear in any Routing header.
+        */
+       if (ipv6_addr_is_multicast(&hdr->saddr))
+               goto err;
+
        skb->transport_header = skb->network_header + sizeof(*hdr);
        IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr);
 
index bdc15c9..4e2e9ff 100644 (file)
@@ -289,6 +289,8 @@ static struct ip6_tnl *ip6_tnl_create(struct net *net, struct ip6_tnl_parm *p)
        if ((err = register_netdevice(dev)) < 0)
                goto failed_free;
 
+       strcpy(t->parms.name, dev->name);
+
        dev_hold(dev);
        ip6_tnl_link(ip6n, t);
        return t;
@@ -1407,7 +1409,6 @@ ip6_tnl_dev_init_gen(struct net_device *dev)
        struct ip6_tnl *t = netdev_priv(dev);
 
        t->dev = dev;
-       strcpy(t->parms.name, dev->name);
        dev->tstats = alloc_percpu(struct pcpu_tstats);
        if (!dev->tstats)
                return -ENOMEM;
@@ -1487,6 +1488,7 @@ static void __net_exit ip6_tnl_destroy_tunnels(struct ip6_tnl_net *ip6n)
 static int __net_init ip6_tnl_init_net(struct net *net)
 {
        struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
+       struct ip6_tnl *t = NULL;
        int err;
 
        ip6n->tnls[0] = ip6n->tnls_wc;
@@ -1507,6 +1509,10 @@ static int __net_init ip6_tnl_init_net(struct net *net)
        err = register_netdev(ip6n->fb_tnl_dev);
        if (err < 0)
                goto err_register;
+
+       t = netdev_priv(ip6n->fb_tnl_dev);
+
+       strcpy(t->parms.name, ip6n->fb_tnl_dev->name);
        return 0;
 
 err_register:
index bf8d50c..cf0f308 100644 (file)
@@ -756,9 +756,6 @@ static int l2tp_udp_recv_core(struct l2tp_tunnel *tunnel, struct sk_buff *skb,
                goto error;
        }
 
-       /* Point to L2TP header */
-       optr = ptr = skb->data;
-
        /* Trace packet contents, if enabled */
        if (tunnel->debug & L2TP_MSG_DATA) {
                length = min(32u, skb->len);
@@ -769,12 +766,15 @@ static int l2tp_udp_recv_core(struct l2tp_tunnel *tunnel, struct sk_buff *skb,
 
                offset = 0;
                do {
-                       printk(" %02X", ptr[offset]);
+                       printk(" %02X", skb->data[offset]);
                } while (++offset < length);
 
                printk("\n");
        }
 
+       /* Point to L2TP header */
+       optr = ptr = skb->data;
+
        /* Get L2TP header flags */
        hdrflags = ntohs(*(__be16 *) ptr);
 
index 72c8bea..b1b1bb3 100644 (file)
@@ -1487,6 +1487,7 @@ static bool ieee80211_assoc_success(struct ieee80211_work *wk,
        int i, j, err;
        bool have_higher_than_11mbit = false;
        u16 ap_ht_cap_flags;
+       int min_rate = INT_MAX, min_rate_index = -1;
 
        /* AssocResp and ReassocResp have identical structure */
 
@@ -1553,6 +1554,10 @@ static bool ieee80211_assoc_success(struct ieee80211_work *wk,
                                rates |= BIT(j);
                                if (is_basic)
                                        basic_rates |= BIT(j);
+                               if (rate < min_rate) {
+                                       min_rate = rate;
+                                       min_rate_index = j;
+                               }
                                break;
                        }
                }
@@ -1570,11 +1575,25 @@ static bool ieee80211_assoc_success(struct ieee80211_work *wk,
                                rates |= BIT(j);
                                if (is_basic)
                                        basic_rates |= BIT(j);
+                               if (rate < min_rate) {
+                                       min_rate = rate;
+                                       min_rate_index = j;
+                               }
                                break;
                        }
                }
        }
 
+       /*
+        * some buggy APs don't advertise basic_rates. use the lowest
+        * supported rate instead.
+        */
+       if (unlikely(!basic_rates) && min_rate_index >= 0) {
+               printk(KERN_DEBUG "%s: No basic rates in AssocResp. "
+                      "Using min supported rate instead.\n", sdata->name);
+               basic_rates = BIT(min_rate_index);
+       }
+
        sta->sta.supp_rates[wk->chan->band] = rates;
        sdata->vif.bss_conf.basic_rates = basic_rates;
 
@@ -2269,6 +2288,7 @@ void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata)
 
        cancel_work_sync(&ifmgd->request_smps_work);
 
+       cancel_work_sync(&ifmgd->monitor_work);
        cancel_work_sync(&ifmgd->beacon_connection_loss_work);
        if (del_timer_sync(&ifmgd->timer))
                set_bit(TMR_RUNNING_TIMER, &ifmgd->timers_running);
@@ -2277,7 +2297,6 @@ void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata)
        if (del_timer_sync(&ifmgd->chswitch_timer))
                set_bit(TMR_RUNNING_CHANSW, &ifmgd->timers_running);
 
-       cancel_work_sync(&ifmgd->monitor_work);
        /* these will just be re-established on connection */
        del_timer_sync(&ifmgd->conn_mon_timer);
        del_timer_sync(&ifmgd->bcn_mon_timer);
index bb53726..fb123e2 100644 (file)
@@ -141,8 +141,9 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
        pos++;
 
        /* IEEE80211_RADIOTAP_RATE */
-       if (status->flag & RX_FLAG_HT) {
+       if (!rate || status->flag & RX_FLAG_HT) {
                /*
+                * Without rate information don't add it. If we have,
                 * MCS information is a separate field in radiotap,
                 * added below. The byte here is needed as padding
                 * for the channel though, so initialise it to 0.
@@ -163,12 +164,14 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
        else if (status->flag & RX_FLAG_HT)
                put_unaligned_le16(IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ,
                                   pos);
-       else if (rate->flags & IEEE80211_RATE_ERP_G)
+       else if (rate && rate->flags & IEEE80211_RATE_ERP_G)
                put_unaligned_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ,
                                   pos);
-       else
+       else if (rate)
                put_unaligned_le16(IEEE80211_CHAN_CCK | IEEE80211_CHAN_2GHZ,
                                   pos);
+       else
+               put_unaligned_le16(IEEE80211_CHAN_2GHZ, pos);
        pos += 2;
 
        /* IEEE80211_RADIOTAP_DBM_ANTSIGNAL */
index ce962d2..8eaa746 100644 (file)
@@ -1354,12 +1354,12 @@ ieee80211_sta_ps_deliver_response(struct sta_info *sta,
                         * Use MoreData flag to indicate whether there are
                         * more buffered frames for this STA
                         */
-                       if (!more_data)
-                               hdr->frame_control &=
-                                       cpu_to_le16(~IEEE80211_FCTL_MOREDATA);
-                       else
+                       if (more_data || !skb_queue_empty(&frames))
                                hdr->frame_control |=
                                        cpu_to_le16(IEEE80211_FCTL_MOREDATA);
+                       else
+                               hdr->frame_control &=
+                                       cpu_to_le16(~IEEE80211_FCTL_MOREDATA);
 
                        if (ieee80211_is_data_qos(hdr->frame_control) ||
                            ieee80211_is_qos_nullfunc(hdr->frame_control))
index 51e256c..eca0fad 100644 (file)
@@ -881,6 +881,8 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
        skb = ieee80211_probereq_get(&local->hw, &sdata->vif,
                                     ssid, ssid_len,
                                     buf, buf_len);
+       if (!skb)
+               goto out;
 
        if (dst) {
                mgmt = (struct ieee80211_mgmt *) skb->data;
@@ -889,6 +891,8 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
        }
 
        IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+
+ out:
        kfree(buf);
 
        return skb;
index 4cf6dc7..ec753b3 100644 (file)
@@ -9,7 +9,6 @@ config RDS
 
 config RDS_RDMA
        tristate "RDS over Infiniband and iWARP"
-       select LLIST
        depends on RDS && INFINIBAND && INFINIBAND_ADDR_TRANS
        ---help---
          Allow RDS to use Infiniband and iWARP as a transport.
index 48260c2..b3a476f 100644 (file)
@@ -132,8 +132,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
        [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
        [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
 
-       [NL80211_ATTR_HT_CAPABILITY] = { .type = NLA_BINARY,
-                                        .len = NL80211_HT_CAPABILITY_LEN },
+       [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN },
 
        [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
        [NL80211_ATTR_IE] = { .type = NLA_BINARY,
@@ -1253,6 +1252,12 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
                        goto bad_res;
                }
 
+               if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+                   netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
+                       result = -EINVAL;
+                       goto bad_res;
+               }
+
                nla_for_each_nested(nl_txq_params,
                                    info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
                                    rem_txq_params) {
index 6acba9d..e71f5a6 100644 (file)
@@ -2265,6 +2265,9 @@ void /* __init_or_exit */ regulatory_exit(void)
 
        kfree(last_request);
 
+       last_request = NULL;
+       dev_set_uevent_suppress(&reg_pdev->dev, true);
+
        platform_device_unregister(reg_pdev);
 
        spin_lock_bh(&reg_pending_beacons_lock);
index 0fb1424..dc23b31 100644 (file)
@@ -259,17 +259,20 @@ static int cmp_ies(u8 num, u8 *ies1, size_t len1, u8 *ies2, size_t len2)
 {
        const u8 *ie1 = cfg80211_find_ie(num, ies1, len1);
        const u8 *ie2 = cfg80211_find_ie(num, ies2, len2);
-       int r;
 
+       /* equal if both missing */
        if (!ie1 && !ie2)
                return 0;
-       if (!ie1 || !ie2)
+       /* sort missing IE before (left of) present IE */
+       if (!ie1)
                return -1;
+       if (!ie2)
+               return 1;
 
-       r = memcmp(ie1 + 2, ie2 + 2, min(ie1[1], ie2[1]));
-       if (r == 0 && ie1[1] != ie2[1])
+       /* sort by length first, then by contents */
+       if (ie1[1] != ie2[1])
                return ie2[1] - ie1[1];
-       return r;
+       return memcmp(ie1 + 2, ie2 + 2, ie1[1]);
 }
 
 static bool is_bss(struct cfg80211_bss *a,