C6X ARCHITECTURE
M: Mark Salter <msalter@redhat.com>
-M: Aurelien Jacquiot <a-jacquiot@ti.com>
+M: Aurelien Jacquiot <jacquiot.aurelien@gmail.com>
L: linux-c6x-dev@linux-c6x.org
W: http://www.linux-c6x.org/wiki/index.php/Main_Page
S: Maintained
#define TSK_K_BLINK(tsk) TSK_K_REG(tsk, 4)
#define TSK_K_FP(tsk) TSK_K_REG(tsk, 0)
-#define thread_saved_pc(tsk) TSK_K_BLINK(tsk)
-
extern void start_thread(struct pt_regs * regs, unsigned long pc,
unsigned long usp);
config VMSPLIT_3G
bool "3G/1G user/kernel split"
config VMSPLIT_3G_OPT
+ depends on !ARM_LPAE
bool "3G/1G user/kernel split (for full 1G low memory)"
config VMSPLIT_2G
bool "2G/2G user/kernel split"
@ there.
.inst 'M' | ('Z' << 8) | (0x1310 << 16) @ tstne r0, #0x4d000
#else
- W(mov) r0, r0
+ AR_CLASS( mov r0, r0 )
+ M_CLASS( nop.w )
#endif
.endm
if (arch >= CPU_ARCH_ARMv6) {
unsigned int cachetype = read_cpuid_cachetype();
- if ((arch == CPU_ARCH_ARMv7M) && !cachetype) {
+ if ((arch == CPU_ARCH_ARMv7M) && !(cachetype & 0xf000f)) {
cacheid = 0;
} else if ((cachetype & (7 << 29)) == 4 << 29) {
/* ARMv7 register format */
{
}
-/*
- * Return saved PC of a blocked thread.
- */
-#define thread_saved_pc(tsk) (tsk->thread.pc)
-
unsigned long get_wchan(struct task_struct *p);
#define KSTK_EIP(tsk) \
#define copy_segments(tsk, mm) do { } while (0)
#define release_segments(mm) do { } while (0)
-/*
- * saved PC of a blocked thread.
- */
-#define thread_saved_pc(tsk) (task_pt_regs(tsk)->pc)
-
/*
* saved kernel SP and DP of a blocked thread.
*/
while(1) /* waiting for RETRIBUTION! */ ;
}
-/*
- * Return saved PC of a blocked thread.
- */
-unsigned long thread_saved_pc(struct task_struct *t)
-{
- return task_pt_regs(t)->irp;
-}
-
/* setup the child's kernel stack with a pt_regs and switch_stack on it.
* it will be un-nested during _resume and _ret_from_sys_call when the
* new thread is scheduled.
; /* Wait for reset. */
}
-/*
- * Return saved PC of a blocked thread.
- */
-unsigned long thread_saved_pc(struct task_struct *t)
-{
- return task_pt_regs(t)->erp;
-}
-
/*
* Setup the child's kernel stack with a pt_regs and call switch_stack() on it.
* It will be unnested during _resume and _ret_from_sys_call when the new thread
#define KSTK_ESP(tsk) ((tsk) == current ? rdusp() : (tsk)->thread.usp)
-extern unsigned long thread_saved_pc(struct task_struct *tsk);
-
/* Free all resources held by a thread. */
static inline void release_thread(struct task_struct *dead_task)
{
#define release_segments(mm) do { } while (0)
#define forget_segments() do { } while (0)
-/*
- * Return saved PC of a blocked thread.
- */
-extern unsigned long thread_saved_pc(struct task_struct *tsk);
-
unsigned long get_wchan(struct task_struct *p);
#define KSTK_EIP(tsk) ((tsk)->thread.frame0->pc)
return 0;
}
-unsigned long thread_saved_pc(struct task_struct *tsk)
-{
- /* Check whether the thread is blocked in resume() */
- if (in_sched_functions(tsk->thread.pc))
- return ((unsigned long *)tsk->thread.fp)[2];
- else
- return tsk->thread.pc;
-}
-
int elf_check_arch(const struct elf32_hdr *hdr)
{
unsigned long hsr0 = __get_HSR(0);
{
}
-/*
- * Return saved PC of a blocked thread.
- */
-unsigned long thread_saved_pc(struct task_struct *tsk);
unsigned long get_wchan(struct task_struct *p);
#define KSTK_EIP(tsk) \
return 0;
}
-unsigned long thread_saved_pc(struct task_struct *tsk)
-{
- return ((struct pt_regs *)tsk->thread.esp0)->pc;
-}
-
unsigned long get_wchan(struct task_struct *p)
{
unsigned long fp, pc;
/* task_struct, defined elsewhere, is the "process descriptor" */
struct task_struct;
-/* this is defined in arch/process.c */
-extern unsigned long thread_saved_pc(struct task_struct *tsk);
-
extern void start_thread(struct pt_regs *, unsigned long, unsigned long);
/*
local_irq_enable();
}
-/*
- * Return saved PC of a blocked thread
- */
-unsigned long thread_saved_pc(struct task_struct *tsk)
-{
- return 0;
-}
-
/*
* Copy architecture-specific thread state
*/
*unat = (*unat & ~mask) | (nat << bit);
}
-/*
- * Return saved PC of a blocked thread.
- * Note that the only way T can block is through a call to schedule() -> switch_to().
- */
-static inline unsigned long
-thread_saved_pc (struct task_struct *t)
-{
- struct unw_frame_info info;
- unsigned long ip;
-
- unw_init_from_blocked_task(&info, t);
- if (unw_unwind(&info) < 0)
- return 0;
- unw_get_ip(&info, &ip);
- return ip;
-}
-
/*
* Get the current instruction/program counter value.
*/
extern void copy_segments(struct task_struct *p, struct mm_struct * mm);
extern void release_segments(struct mm_struct * mm);
-extern unsigned long thread_saved_pc(struct task_struct *);
-
/* Copy and release all segment info associated with a VM */
#define copy_segments(p, mm) do { } while (0)
#define release_segments(mm) do { } while (0)
#include <linux/err.h>
-/*
- * Return saved PC of a blocked thread.
- */
-unsigned long thread_saved_pc(struct task_struct *tsk)
-{
- return tsk->thread.lr;
-}
-
void (*pm_power_off)(void) = NULL;
EXPORT_SYMBOL(pm_power_off);
{
}
-extern unsigned long thread_saved_pc(struct task_struct *tsk);
-
unsigned long get_wchan(struct task_struct *p);
#define KSTK_EIP(tsk) \
asmlinkage void ret_from_fork(void);
asmlinkage void ret_from_kernel_thread(void);
-
-/*
- * Return saved PC from a blocked thread
- */
-unsigned long thread_saved_pc(struct task_struct *tsk)
-{
- struct switch_stack *sw = (struct switch_stack *)tsk->thread.ksp;
- /* Check whether the thread is blocked in resume() */
- if (in_sched_functions(sw->retpc))
- return ((unsigned long *)sw->a6)[1];
- else
- return sw->retpc;
-}
-
void arch_cpu_idle(void)
{
#if defined(MACH_ATARI_ONLY)
{
}
-extern unsigned long thread_saved_pc(struct task_struct *t);
-
extern unsigned long get_wchan(struct task_struct *p);
# define KSTK_EIP(tsk) (0)
{
}
-/* Return saved (kernel) PC of a blocked thread. */
-# define thread_saved_pc(tsk) \
- ((tsk)->thread.regs ? (tsk)->thread.regs->r15 : 0)
-
unsigned long get_wchan(struct task_struct *p);
/* The size allocated for kernel stacks. This _must_ be a power of two! */
return 0;
}
-#ifndef CONFIG_MMU
-/*
- * Return saved PC of a blocked thread.
- */
-unsigned long thread_saved_pc(struct task_struct *tsk)
-{
- struct cpu_context *ctx =
- &(((struct thread_info *)(tsk->stack))->cpu_context);
-
- /* Check whether the thread is blocked in resume() */
- if (in_sched_functions(ctx->r15))
- return (unsigned long)ctx->r15;
- else
- return ctx->r14;
-}
-#endif
-
unsigned long get_wchan(struct task_struct *p)
{
/* TBD (used by procfs) */
/* Free all resources held by a thread. */
extern void release_thread(struct task_struct *);
-/*
- * Return saved PC of a blocked thread.
- */
-extern unsigned long thread_saved_pc(struct task_struct *tsk);
-
unsigned long get_wchan(struct task_struct *p);
#define task_pt_regs(task) ((task)->thread.uregs)
#include <asm/gdb-stub.h>
#include "internal.h"
-/*
- * return saved PC of a blocked thread.
- */
-unsigned long thread_saved_pc(struct task_struct *tsk)
-{
- return ((unsigned long *) tsk->thread.sp)[3];
-}
-
/*
* power off function, if any
*/
{
}
-/* Return saved PC of a blocked thread. */
-#define thread_saved_pc(tsk) ((tsk)->thread.kregs->ea)
-
extern unsigned long get_wchan(struct task_struct *p);
#define task_pt_regs(p) \
void release_thread(struct task_struct *);
unsigned long get_wchan(struct task_struct *p);
-/*
- * Return saved PC of a blocked thread. For now, this is the "user" PC
- */
-extern unsigned long thread_saved_pc(struct task_struct *t);
-
#define init_stack (init_thread_union.stack)
#define cpu_relax() barrier()
show_registers(regs);
}
-unsigned long thread_saved_pc(struct task_struct *t)
-{
- return (unsigned long)user_regs(t->stack)->pc;
-}
-
void release_thread(struct task_struct *dead_task)
{
}
.flags = 0 \
}
-/*
- * Return saved PC of a blocked thread. This is used by ps mostly.
- */
-
struct task_struct;
-unsigned long thread_saved_pc(struct task_struct *t);
void show_trace(struct task_struct *task, unsigned long *stack);
/*
return 0;
}
-unsigned long thread_saved_pc(struct task_struct *t)
-{
- return t->thread.regs.kpc;
-}
-
unsigned long
get_wchan(struct task_struct *p)
{
}
#endif
-/*
- * Return saved PC of a blocked thread. For now, this is the "user" PC
- */
-#define thread_saved_pc(tsk) \
- ((tsk)->thread.regs? (tsk)->thread.regs->nip: 0)
-
#define task_pt_regs(tsk) ((struct pt_regs *)(tsk)->thread.regs)
unsigned long get_wchan(struct task_struct *p);
extern unsigned long __copy_tofrom_user(void __user *to,
const void __user *from, unsigned long size);
-#ifndef __powerpc64__
-
-#define INLINE_COPY_FROM_USER
-#define INLINE_COPY_TO_USER
-
-#else /* __powerpc64__ */
-
+#ifdef __powerpc64__
static inline unsigned long
raw_copy_in_user(void __user *to, const void __user *from, unsigned long n)
{
/* Free guarded storage control block for current */
void exit_thread_gs(void);
-/*
- * Return saved PC of a blocked thread.
- */
-extern unsigned long thread_saved_pc(struct task_struct *t);
-
unsigned long get_wchan(struct task_struct *p);
#define task_pt_regs(tsk) ((struct pt_regs *) \
(task_stack_page(tsk) + THREAD_SIZE) - 1)
static void __ipl_run(void *unused)
{
- if (MACHINE_IS_LPAR && ipl_info.type == IPL_TYPE_CCW)
- diag308(DIAG308_LOAD_NORMAL_DUMP, NULL);
diag308(DIAG308_LOAD_CLEAR, NULL);
if (MACHINE_IS_VM)
__cpcmd("IPL", NULL, 0, NULL);
break;
case REIPL_METHOD_CCW_DIAG:
diag308(DIAG308_SET, reipl_block_ccw);
- if (MACHINE_IS_LPAR)
- diag308(DIAG308_LOAD_NORMAL_DUMP, NULL);
- else
- diag308(DIAG308_LOAD_CLEAR, NULL);
+ diag308(DIAG308_LOAD_CLEAR, NULL);
break;
case REIPL_METHOD_FCP_RW_DIAG:
diag308(DIAG308_SET, reipl_block_fcp);
asmlinkage void ret_from_fork(void) asm ("ret_from_fork");
-/*
- * Return saved PC of a blocked thread. used in kernel/sched.
- * resume in entry.S does not create a new stack frame, it
- * just stores the registers %r6-%r15 to the frame given by
- * schedule. We want to return the address of the caller of
- * schedule, so we have to walk the backchain one time to
- * find the frame schedule() store its return address.
- */
-unsigned long thread_saved_pc(struct task_struct *tsk)
-{
- struct stack_frame *sf, *low, *high;
-
- if (!tsk || !task_stack_page(tsk))
- return 0;
- low = task_stack_page(tsk);
- high = (struct stack_frame *) task_pt_regs(tsk);
- sf = (struct stack_frame *) tsk->thread.ksp;
- if (sf <= low || sf > high)
- return 0;
- sf = (struct stack_frame *) sf->back_chain;
- if (sf <= low || sf > high)
- return 0;
- return sf->gprs[8];
-}
-
extern void kernel_thread_starter(void);
/*
*/
extern void (*cpu_wait)(void);
-extern unsigned long thread_saved_pc(struct task_struct *tsk);
extern void start_thread(struct pt_regs *regs,
unsigned long pc, unsigned long sp);
extern unsigned long get_wchan(struct task_struct *p);
return 1;
}
-unsigned long thread_saved_pc(struct task_struct *tsk)
-{
- return task_pt_regs(tsk)->cp0_epc;
-}
-
unsigned long get_wchan(struct task_struct *task)
{
if (!task || task == current || task->state == TASK_RUNNING)
.current_ds = KERNEL_DS, \
}
-/* Return saved PC of a blocked thread. */
-unsigned long thread_saved_pc(struct task_struct *t);
-
/* Do necessary setup to start up a newly executed thread. */
static inline void start_thread(struct pt_regs * regs, unsigned long pc,
unsigned long sp)
#include <linux/types.h>
#include <asm/fpumacro.h>
-/* Return saved PC of a blocked thread. */
struct task_struct;
-unsigned long thread_saved_pc(struct task_struct *);
/* On Uniprocessor, even in RMO processes see TSO semantics */
#ifdef CONFIG_SMP
printk("\n");
}
-/*
- * Note: sparc64 has a pretty intricated thread_saved_pc, check it out.
- */
-unsigned long thread_saved_pc(struct task_struct *tsk)
-{
- return task_thread_info(tsk)->kpc;
-}
-
/*
* Free current thread data structures etc..
*/
#endif
-unsigned long thread_saved_pc(struct task_struct *tsk)
-{
- struct thread_info *ti = task_thread_info(tsk);
- unsigned long ret = 0xdeadbeefUL;
-
- if (ti && ti->ksp) {
- unsigned long *sp;
- sp = (unsigned long *)(ti->ksp + STACK_BIAS);
- if (((unsigned long)sp & (sizeof(long) - 1)) == 0UL &&
- sp[14]) {
- unsigned long *fp;
- fp = (unsigned long *)(sp[14] + STACK_BIAS);
- if (((unsigned long)fp & (sizeof(long) - 1)) == 0UL)
- ret = fp[15];
- }
- }
- return ret;
-}
-
/* Free current thread data structures etc.. */
void exit_thread(struct task_struct *tsk)
{
extern void prepare_exit_to_usermode(struct pt_regs *regs, u32 flags);
-
-/*
- * Return saved (kernel) PC of a blocked thread.
- * Only used in a printk() in kernel/sched/core.c, so don't work too hard.
- */
-#define thread_saved_pc(t) ((t)->thread.pc)
-
unsigned long get_wchan(struct task_struct *p);
/* Return initial ksp value for given task. */
{
}
-extern unsigned long thread_saved_pc(struct task_struct *t);
-
static inline void mm_copy_segments(struct mm_struct *from_mm,
struct mm_struct *new_mm)
{
__attribute__((__section__(".data..init_irqstack"))) =
{ INIT_THREAD_INFO(init_task) };
-unsigned long thread_saved_pc(struct task_struct *task)
-{
- /* FIXME: Need to look up userspace_pid by cpu */
- return os_process_pc(userspace_pid[0]);
-}
-
/* Changed in setup_arch, which is called in early boot */
static char host_info[(__NEW_UTS_LEN + 1) * 5];
#endif /* CONFIG_X86_64 */
-extern unsigned long thread_saved_pc(struct task_struct *tsk);
-
extern void start_thread(struct pt_regs *regs, unsigned long new_ip,
unsigned long new_sp);
return randomize_page(mm->brk, 0x02000000);
}
-/*
- * Return saved PC of a blocked thread.
- * What is this good for? it will be always the scheduler or ret_from_fork.
- */
-unsigned long thread_saved_pc(struct task_struct *tsk)
-{
- struct inactive_task_frame *frame =
- (struct inactive_task_frame *) READ_ONCE(tsk->thread.sp);
- return READ_ONCE_NOCHECK(frame->ret_addr);
-}
-
/*
* Called from fs/proc with a reference on @p to find the function
* which called into schedule(). This needs to be done carefully
if (!tboot_enabled())
return 0;
- if (!intel_iommu_tboot_noforce)
+ if (intel_iommu_tboot_noforce)
return 1;
if (no_iommu || swiotlb || dmar_disabled)
#define release_segments(mm) do { } while(0)
#define forget_segments() do { } while (0)
-#define thread_saved_pc(tsk) (task_pt_regs(tsk)->pc)
-
extern unsigned long get_wchan(struct task_struct *p);
#define KSTK_EIP(tsk) (task_pt_regs(tsk)->pc)
return bvl;
}
-static void __bio_free(struct bio *bio)
+void bio_uninit(struct bio *bio)
{
bio_disassociate_task(bio);
if (bio_integrity(bio))
bio_integrity_free(bio);
}
+EXPORT_SYMBOL(bio_uninit);
static void bio_free(struct bio *bio)
{
struct bio_set *bs = bio->bi_pool;
void *p;
- __bio_free(bio);
+ bio_uninit(bio);
if (bs) {
bvec_free(bs->bvec_pool, bio->bi_io_vec, BVEC_POOL_IDX(bio));
}
}
+/*
+ * Users of this function have their own bio allocation. Subsequently,
+ * they must remember to pair any call to bio_init() with bio_uninit()
+ * when IO has completed, or when the bio is released.
+ */
void bio_init(struct bio *bio, struct bio_vec *table,
unsigned short max_vecs)
{
{
unsigned long flags = bio->bi_flags & (~0UL << BIO_RESET_BITS);
- __bio_free(bio);
+ bio_uninit(bio);
memset(bio, 0, BIO_RESET_BYTES);
bio->bi_flags = flags;
struct etnaviv_gpu *gpu;
struct ww_acquire_ctx ticket;
struct dma_fence *fence;
+ u32 flags;
unsigned int nr_bos;
struct etnaviv_gem_submit_bo bos[0];
- u32 flags;
+ /* No new members here, the previous one is variable-length! */
};
int etnaviv_gem_wait_bo(struct etnaviv_gpu *gpu, struct drm_gem_object *obj,
for (i = 0; i < submit->nr_bos; i++) {
struct etnaviv_gem_object *etnaviv_obj = submit->bos[i].obj;
bool write = submit->bos[i].flags & ETNA_SUBMIT_BO_WRITE;
- bool explicit = !(submit->flags & ETNA_SUBMIT_NO_IMPLICIT);
+ bool explicit = !!(submit->flags & ETNA_SUBMIT_NO_IMPLICIT);
ret = etnaviv_gpu_fence_sync_obj(etnaviv_obj, context, write,
explicit);
struct file_stats *stats = data;
struct i915_vma *vma;
+ lockdep_assert_held(&obj->base.dev->struct_mutex);
+
stats->count++;
stats->total += obj->base.size;
if (!obj->bind_count)
struct drm_i915_gem_request *request;
struct task_struct *task;
+ mutex_lock(&dev->struct_mutex);
+
memset(&stats, 0, sizeof(stats));
stats.file_priv = file->driver_priv;
spin_lock(&file->table_lock);
* still alive (e.g. get_pid(current) => fork() => exit()).
* Therefore, we need to protect this ->comm access using RCU.
*/
- mutex_lock(&dev->struct_mutex);
request = list_first_entry_or_null(&file_priv->mm.request_list,
struct drm_i915_gem_request,
client_link);
PIDTYPE_PID);
print_file_stats(m, task ? task->comm : "<unknown>", stats);
rcu_read_unlock();
+
mutex_unlock(&dev->struct_mutex);
}
mutex_unlock(&dev->filelist_mutex);
}
static int
-i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj,
+i915_gem_execbuffer_relocate_entry(struct i915_vma *vma,
struct eb_vmas *eb,
struct drm_i915_gem_relocation_entry *reloc,
struct reloc_cache *cache)
{
+ struct drm_i915_gem_object *obj = vma->obj;
struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
struct drm_gem_object *target_obj;
struct drm_i915_gem_object *target_i915_obj;
return -EINVAL;
}
+ /*
+ * If we write into the object, we need to force the synchronisation
+ * barrier, either with an asynchronous clflush or if we executed the
+ * patching using the GPU (though that should be serialised by the
+ * timeline). To be completely sure, and since we are required to
+ * do relocations we are already stalling, disable the user's opt
+ * of our synchronisation.
+ */
+ vma->exec_entry->flags &= ~EXEC_OBJECT_ASYNC;
+
ret = relocate_entry(obj, reloc, cache, target_offset);
if (ret)
return ret;
do {
u64 offset = r->presumed_offset;
- ret = i915_gem_execbuffer_relocate_entry(vma->obj, eb, r, &cache);
+ ret = i915_gem_execbuffer_relocate_entry(vma, eb, r, &cache);
if (ret)
goto out;
reloc_cache_init(&cache, eb->i915);
for (i = 0; i < entry->relocation_count; i++) {
- ret = i915_gem_execbuffer_relocate_entry(vma->obj, eb, &relocs[i], &cache);
+ ret = i915_gem_execbuffer_relocate_entry(vma, eb, &relocs[i], &cache);
if (ret)
break;
}
break;
}
+ if (!ret) {
+ ret = i915_gem_active_retire(&vma->last_fence,
+ &vma->vm->i915->drm.struct_mutex);
+ }
+
__i915_vma_unpin(vma);
if (ret)
return ret;
list_for_each_entry_safe(entry, next, &man->list, head)
vmw_cmdbuf_res_free(man, entry);
+ drm_ht_remove(&man->resources);
kfree(man);
}
u8 vector, u32 dest_apicid, int devid)
{
struct irte_ga *irte = (struct irte_ga *) entry;
- struct iommu_dev_data *dev_data = search_dev_data(devid);
irte->lo.val = 0;
irte->hi.val = 0;
- irte->lo.fields_remap.guest_mode = dev_data ? dev_data->use_vapic : 0;
irte->lo.fields_remap.int_type = delivery_mode;
irte->lo.fields_remap.dm = dest_mode;
irte->hi.fields.vector = vector;
struct irte_ga *irte = (struct irte_ga *) entry;
struct iommu_dev_data *dev_data = search_dev_data(devid);
- if (!dev_data || !dev_data->use_vapic) {
+ if (!dev_data || !dev_data->use_vapic ||
+ !irte->lo.fields_remap.guest_mode) {
irte->hi.fields.vector = vector;
irte->lo.fields_remap.destination = dest_apicid;
- irte->lo.fields_remap.guest_mode = 0;
modify_irte_ga(devid, index, irte, NULL);
}
}
/********************************************************************
* BELOW FOLLOW V1.9.0 EXTENSIONS TO THE PRISTINE SUPERBLOCK FORMAT!!!
*
- * FEATURE_FLAG_SUPPORTS_V190 in the features member indicates that those exist
+ * FEATURE_FLAG_SUPPORTS_V190 in the compat_features member indicates that those exist
*/
__le32 flags; /* Flags defining array states for reshaping */
sb->layout = cpu_to_le32(mddev->layout);
sb->stripe_sectors = cpu_to_le32(mddev->chunk_sectors);
+ /********************************************************************
+ * BELOW FOLLOW V1.9.0 EXTENSIONS TO THE PRISTINE SUPERBLOCK FORMAT!!!
+ *
+ * FEATURE_FLAG_SUPPORTS_V190 in the compat_features member indicates that those exist
+ */
sb->new_level = cpu_to_le32(mddev->new_level);
sb->new_layout = cpu_to_le32(mddev->new_layout);
sb->new_stripe_sectors = cpu_to_le32(mddev->new_chunk_sectors);
mddev->bitmap_info.default_offset = mddev->bitmap_info.offset;
if (!test_and_clear_bit(FirstUse, &rdev->flags)) {
- /* Retrieve device size stored in superblock to be prepared for shrink */
- rdev->sectors = le64_to_cpu(sb->sectors);
+ /*
+ * Retrieve rdev size stored in superblock to be prepared for shrink.
+ * Check extended superblock members are present otherwise the size
+ * will not be set!
+ */
+ if (le32_to_cpu(sb->compat_features) & FEATURE_FLAG_SUPPORTS_V190)
+ rdev->sectors = le64_to_cpu(sb->sectors);
+
rdev->recovery_offset = le64_to_cpu(sb->disk_recovery_offset);
if (rdev->recovery_offset == MaxSector)
set_bit(In_sync, &rdev->flags);
return;
}
+ /*
+ * Increment the unmapped blocks. This prevents a race between the
+ * passdown io and reallocation of freed blocks.
+ */
+ r = dm_pool_inc_data_range(pool->pmd, m->data_block, data_end);
+ if (r) {
+ metadata_operation_failed(pool, "dm_pool_inc_data_range", r);
+ bio_io_error(m->bio);
+ cell_defer_no_holder(tc, m->cell);
+ mempool_free(m, pool->mapping_pool);
+ return;
+ }
+
discard_parent = bio_alloc(GFP_NOIO, 1);
if (!discard_parent) {
DMWARN("%s: unable to allocate top level discard bio for passdown. Skipping passdown.",
end_discard(&op, r);
}
}
-
- /*
- * Increment the unmapped blocks. This prevents a race between the
- * passdown io and reallocation of freed blocks.
- */
- r = dm_pool_inc_data_range(pool->pmd, m->data_block, data_end);
- if (r) {
- metadata_operation_failed(pool, "dm_pool_inc_data_range", r);
- bio_io_error(m->bio);
- cell_defer_no_holder(tc, m->cell);
- mempool_free(m, pool->mapping_pool);
- return;
- }
}
static void process_prepared_discard_passdown_pt2(struct dm_thin_new_mapping *m)
mutex_init(&ctx->mapping_lock);
ctx->mapping = NULL;
- if (cxl_is_psl8(afu)) {
+ if (cxl_is_power8()) {
spin_lock_init(&ctx->sste_lock);
/*
if (start + len > ctx->afu->adapter->ps_size)
return -EINVAL;
- if (cxl_is_psl9(ctx->afu)) {
+ if (cxl_is_power9()) {
/*
* Make sure there is a valid problem state
* area space for this AFU.
{
struct cxl_context *ctx = container_of(rcu, struct cxl_context, rcu);
- if (cxl_is_psl8(ctx->afu))
+ if (cxl_is_power8())
free_page((u64)ctx->sstp);
if (ctx->ff_page)
__free_page(ctx->ff_page);
#define CXL_PSL9_DSISR_An_PF_RGP 0x0000000000000090ULL /* PTE not found (Radix Guest (parent)) 0b10010000 */
#define CXL_PSL9_DSISR_An_PF_HRH 0x0000000000000094ULL /* PTE not found (HPT/Radix Host) 0b10010100 */
#define CXL_PSL9_DSISR_An_PF_STEG 0x000000000000009CULL /* PTE not found (STEG VA) 0b10011100 */
+#define CXL_PSL9_DSISR_An_URTCH 0x00000000000000B4ULL /* Unsupported Radix Tree Configuration 0b10110100 */
/****** CXL_PSL_TFC_An ******************************************************/
#define CXL_PSL_TFC_An_A (1ull << (63-28)) /* Acknowledge non-translation fault */
static inline bool cxl_is_power9(void)
{
- /* intermediate solution */
- if (!cxl_is_power8() &&
- (cpu_has_feature(CPU_FTRS_POWER9) ||
- cpu_has_feature(CPU_FTR_POWER9_DD1)))
+ if (pvr_version_is(PVR_POWER9))
return true;
return false;
}
-static inline bool cxl_is_psl8(struct cxl_afu *afu)
+static inline bool cxl_is_power9_dd1(void)
{
- if (afu->adapter->caia_major == 1)
- return true;
- return false;
-}
-
-static inline bool cxl_is_psl9(struct cxl_afu *afu)
-{
- if (afu->adapter->caia_major == 2)
+ if ((pvr_version_is(PVR_POWER9)) &&
+ cpu_has_feature(CPU_FTR_POWER9_DD1))
return true;
return false;
}
static bool cxl_is_segment_miss(struct cxl_context *ctx, u64 dsisr)
{
- if ((cxl_is_psl8(ctx->afu)) && (dsisr & CXL_PSL_DSISR_An_DS))
+ if ((cxl_is_power8() && (dsisr & CXL_PSL_DSISR_An_DS)))
return true;
return false;
static bool cxl_is_page_fault(struct cxl_context *ctx, u64 dsisr)
{
- if ((cxl_is_psl8(ctx->afu)) && (dsisr & CXL_PSL_DSISR_An_DM))
- return true;
+ u64 crs; /* Translation Checkout Response Status */
- if ((cxl_is_psl9(ctx->afu)) &&
- ((dsisr & CXL_PSL9_DSISR_An_CO_MASK) &
- (CXL_PSL9_DSISR_An_PF_SLR | CXL_PSL9_DSISR_An_PF_RGC |
- CXL_PSL9_DSISR_An_PF_RGP | CXL_PSL9_DSISR_An_PF_HRH |
- CXL_PSL9_DSISR_An_PF_STEG)))
+ if ((cxl_is_power8()) && (dsisr & CXL_PSL_DSISR_An_DM))
return true;
+ if (cxl_is_power9()) {
+ crs = (dsisr & CXL_PSL9_DSISR_An_CO_MASK);
+ if ((crs == CXL_PSL9_DSISR_An_PF_SLR) ||
+ (crs == CXL_PSL9_DSISR_An_PF_RGC) ||
+ (crs == CXL_PSL9_DSISR_An_PF_RGP) ||
+ (crs == CXL_PSL9_DSISR_An_PF_HRH) ||
+ (crs == CXL_PSL9_DSISR_An_PF_STEG) ||
+ (crs == CXL_PSL9_DSISR_An_URTCH)) {
+ return true;
+ }
+ }
+
return false;
}
cxl_debugfs_init();
- if ((rc = register_cxl_calls(&cxl_calls)))
- goto err;
+ /*
+ * we don't register the callback on P9. slb callack is only
+ * used for the PSL8 MMU and CX4.
+ */
+ if (cxl_is_power8()) {
+ rc = register_cxl_calls(&cxl_calls);
+ if (rc)
+ goto err;
+ }
if (cpu_has_feature(CPU_FTR_HVMODE)) {
cxl_ops = &cxl_native_ops;
return 0;
err1:
- unregister_cxl_calls(&cxl_calls);
+ if (cxl_is_power8())
+ unregister_cxl_calls(&cxl_calls);
err:
cxl_debugfs_exit();
cxl_file_exit();
cxl_debugfs_exit();
cxl_file_exit();
- unregister_cxl_calls(&cxl_calls);
+ if (cxl_is_power8())
+ unregister_cxl_calls(&cxl_calls);
idr_destroy(&cxl_adapter_idr);
}
CXL_AFU_Cntl_An_RS_MASK | CXL_AFU_Cntl_An_ES_MASK,
false);
- /* Re-enable any masked interrupts */
- serr = cxl_p1n_read(afu, CXL_PSL_SERR_An);
- serr &= ~CXL_PSL_SERR_An_IRQ_MASKS;
- cxl_p1n_write(afu, CXL_PSL_SERR_An, serr);
-
+ /*
+ * Re-enable any masked interrupts when the AFU is not
+ * activated to avoid side effects after attaching a process
+ * in dedicated mode.
+ */
+ if (afu->current_mode == 0) {
+ serr = cxl_p1n_read(afu, CXL_PSL_SERR_An);
+ serr &= ~CXL_PSL_SERR_An_IRQ_MASKS;
+ cxl_p1n_write(afu, CXL_PSL_SERR_An, serr);
+ }
return rc;
}
pr_devel("PSL purge request\n");
- if (cxl_is_psl8(afu))
+ if (cxl_is_power8())
trans_fault = CXL_PSL_DSISR_TRANS;
- if (cxl_is_psl9(afu))
+ if (cxl_is_power9())
trans_fault = CXL_PSL9_DSISR_An_TF;
if (!cxl_ops->link_ok(afu->adapter, afu)) {
if (!test_tsk_thread_flag(current, TIF_32BIT))
sr |= CXL_PSL_SR_An_SF;
}
- if (cxl_is_psl9(ctx->afu)) {
+ if (cxl_is_power9()) {
if (radix_enabled())
sr |= CXL_PSL_SR_An_XLAT_ror;
else
static bool cxl_is_translation_fault(struct cxl_afu *afu, u64 dsisr)
{
- if ((cxl_is_psl8(afu)) && (dsisr & CXL_PSL_DSISR_TRANS))
+ if ((cxl_is_power8()) && (dsisr & CXL_PSL_DSISR_TRANS))
return true;
- if ((cxl_is_psl9(afu)) && (dsisr & CXL_PSL9_DSISR_An_TF))
+ if ((cxl_is_power9()) && (dsisr & CXL_PSL9_DSISR_An_TF))
return true;
return false;
if (ph != ctx->pe)
return;
dsisr = cxl_p2n_read(ctx->afu, CXL_PSL_DSISR_An);
- if (cxl_is_psl8(ctx->afu) &&
+ if (cxl_is_power8() &&
((dsisr & CXL_PSL_DSISR_PENDING) == 0))
return;
- if (cxl_is_psl9(ctx->afu) &&
+ if (cxl_is_power9() &&
((dsisr & CXL_PSL9_DSISR_PENDING) == 0))
return;
/*
/* nMMU_ID Defaults to: b’000001001’*/
xsl_dsnctl |= ((u64)0x09 << (63-28));
- if (cxl_is_power9() && !cpu_has_feature(CPU_FTR_POWER9_DD1)) {
+ if (!(cxl_is_power9_dd1())) {
/*
* Used to identify CAPI packets which should be sorted into
* the Non-Blocking queues by the PHB. This field should match
cxl_p1_write(adapter, CXL_PSL9_APCDEDTYPE, 0x40000003FFFF0000ULL);
/* Disable vc dd1 fix */
- if ((cxl_is_power9() && cpu_has_feature(CPU_FTR_POWER9_DD1)))
+ if (cxl_is_power9_dd1())
cxl_p1_write(adapter, CXL_PSL9_GP_CT, 0x0400000000000001ULL);
return 0;
* The adapter is about to be reset, so ignore errors.
* Not supported on P9 DD1
*/
- if ((cxl_is_power8()) ||
- ((cxl_is_power9() && !cpu_has_feature(CPU_FTR_POWER9_DD1))))
+ if ((cxl_is_power8()) || (!(cxl_is_power9_dd1())))
cxl_data_cache_flush(adapter);
/* pcie_warm_reset requests a fundamental pci reset which includes a
.debugfs_add_adapter_regs = cxl_debugfs_add_adapter_regs_psl9,
.debugfs_add_afu_regs = cxl_debugfs_add_afu_regs_psl9,
.psl_irq_dump_registers = cxl_native_irq_dump_regs_psl9,
- .err_irq_dump_registers = cxl_native_err_irq_dump_regs,
.debugfs_stop_trace = cxl_stop_trace_psl9,
.write_timebase_ctrl = write_timebase_ctrl_psl9,
.timebase_read = timebase_read_psl9,
* Flush adapter datacache as its about to be removed.
* Not supported on P9 DD1.
*/
- if ((cxl_is_power8()) ||
- ((cxl_is_power9() && !cpu_has_feature(CPU_FTR_POWER9_DD1))))
+ if ((cxl_is_power8()) || (!(cxl_is_power9_dd1())))
cxl_data_cache_flush(adapter);
cxl_deconfigure_adapter(adapter);
struct net_device *dev = dev_id;
struct arcnet_local *lp;
int recbuf, status, diagstatus, didsomething, boguscount;
+ unsigned long flags;
int retval = IRQ_NONE;
arc_printk(D_DURING, dev, "\n");
lp = netdev_priv(dev);
BUG_ON(!lp);
- spin_lock(&lp->lock);
+ spin_lock_irqsave(&lp->lock, flags);
/* RESET flag was enabled - if device is not running, we must
* clear it right away (but nothing else).
if (lp->hw.status(dev) & RESETflag)
lp->hw.command(dev, CFLAGScmd | RESETclear);
lp->hw.intmask(dev, 0);
- spin_unlock(&lp->lock);
+ spin_unlock_irqrestore(&lp->lock, flags);
return retval;
}
udelay(1);
lp->hw.intmask(dev, lp->intmask);
- spin_unlock(&lp->lock);
+ spin_unlock_irqrestore(&lp->lock, flags);
return retval;
}
EXPORT_SYMBOL(arcnet_interrupt);
ackpkt->soft.cap.proto = 0; /* using protocol 0 for acknowledge */
ackpkt->soft.cap.mes.ack = acked;
- arc_printk(D_PROTO, dev, "Ackknowledge for cap packet %x.\n",
+ arc_printk(D_PROTO, dev, "Acknowledge for cap packet %x.\n",
*((int *)&ackpkt->soft.cap.cookie[0]));
ackskb->protocol = cpu_to_be16(ETH_P_ARCNET);
for (i = 0; i < ci->devcount; i++) {
struct com20020_pci_channel_map *cm = &ci->chan_map_tbl[i];
struct com20020_dev *card;
+ int dev_id_mask = 0xf;
dev = alloc_arcdev(device);
if (!dev) {
arcnet_outb(0x00, ioaddr, COM20020_REG_W_COMMAND);
arcnet_inb(ioaddr, COM20020_REG_R_DIAGSTAT);
+ SET_NETDEV_DEV(dev, &pdev->dev);
dev->base_addr = ioaddr;
dev->dev_addr[0] = node;
dev->irq = pdev->irq;
/* Get the dev_id from the PLX rotary coder */
if (!strncmp(ci->name, "EAE PLX-PCI MA1", 15))
- dev->dev_id = 0xc;
- dev->dev_id ^= inb(priv->misc + ci->rotary) >> 4;
+ dev_id_mask = 0x3;
+ dev->dev_id = (inb(priv->misc + ci->rotary) >> 4) & dev_id_mask;
snprintf(dev->name, sizeof(dev->name), "arc%d-%d", dev->dev_id, i);
return -ENODEV;
}
- dev->base_addr = ioaddr;
-
arc_printk(D_NORMAL, dev, "%s: station %02Xh found at %03lXh, IRQ %d.\n",
lp->card_name, dev->dev_addr[0], dev->base_addr, dev->irq);
} else {
/* If no mc addresses are required, flush the configuration */
rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
- if (rc)
+ if (rc < 0)
BNX2X_ERR("Failed to clear multicast configuration %d\n",
rc);
}
cp_cons = NEXT_CMP(cp_cons);
}
- if (unlikely(agg_bufs > MAX_SKB_FRAGS)) {
+ if (unlikely(agg_bufs > MAX_SKB_FRAGS || TPA_END_ERRORS(tpa_end1))) {
bnxt_abort_tpa(bp, bnapi, cp_cons, agg_bufs);
- netdev_warn(bp->dev, "TPA frags %d exceeded MAX_SKB_FRAGS %d\n",
- agg_bufs, (int)MAX_SKB_FRAGS);
+ if (agg_bufs > MAX_SKB_FRAGS)
+ netdev_warn(bp->dev, "TPA frags %d exceeded MAX_SKB_FRAGS %d\n",
+ agg_bufs, (int)MAX_SKB_FRAGS);
return NULL;
}
return rc;
}
+/* In netpoll mode, if we are using a combined completion ring, we need to
+ * discard the rx packets and recycle the buffers.
+ */
+static int bnxt_force_rx_discard(struct bnxt *bp, struct bnxt_napi *bnapi,
+ u32 *raw_cons, u8 *event)
+{
+ struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+ u32 tmp_raw_cons = *raw_cons;
+ struct rx_cmp_ext *rxcmp1;
+ struct rx_cmp *rxcmp;
+ u16 cp_cons;
+ u8 cmp_type;
+
+ cp_cons = RING_CMP(tmp_raw_cons);
+ rxcmp = (struct rx_cmp *)
+ &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
+
+ tmp_raw_cons = NEXT_RAW_CMP(tmp_raw_cons);
+ cp_cons = RING_CMP(tmp_raw_cons);
+ rxcmp1 = (struct rx_cmp_ext *)
+ &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
+
+ if (!RX_CMP_VALID(rxcmp1, tmp_raw_cons))
+ return -EBUSY;
+
+ cmp_type = RX_CMP_TYPE(rxcmp);
+ if (cmp_type == CMP_TYPE_RX_L2_CMP) {
+ rxcmp1->rx_cmp_cfa_code_errors_v2 |=
+ cpu_to_le32(RX_CMPL_ERRORS_CRC_ERROR);
+ } else if (cmp_type == CMP_TYPE_RX_L2_TPA_END_CMP) {
+ struct rx_tpa_end_cmp_ext *tpa_end1;
+
+ tpa_end1 = (struct rx_tpa_end_cmp_ext *)rxcmp1;
+ tpa_end1->rx_tpa_end_cmp_errors_v2 |=
+ cpu_to_le32(RX_TPA_END_CMP_ERRORS);
+ }
+ return bnxt_rx_pkt(bp, bnapi, raw_cons, event);
+}
+
#define BNXT_GET_EVENT_PORT(data) \
((data) & \
ASYNC_EVENT_CMPL_PORT_CONN_NOT_ALLOWED_EVENT_DATA1_PORT_ID_MASK)
if (unlikely(tx_pkts > bp->tx_wake_thresh))
rx_pkts = budget;
} else if ((TX_CMP_TYPE(txcmp) & 0x30) == 0x10) {
- rc = bnxt_rx_pkt(bp, bnapi, &raw_cons, &event);
+ if (likely(budget))
+ rc = bnxt_rx_pkt(bp, bnapi, &raw_cons, &event);
+ else
+ rc = bnxt_force_rx_discard(bp, bnapi, &raw_cons,
+ &event);
if (likely(rc >= 0))
rx_pkts += rc;
else if (rc == -EBUSY) /* partial completion */
struct bnxt *bp = netdev_priv(dev);
int i;
- for (i = 0; i < bp->cp_nr_rings; i++) {
- struct bnxt_irq *irq = &bp->irq_tbl[i];
+ /* Only process tx rings/combined rings in netpoll mode. */
+ for (i = 0; i < bp->tx_nr_rings; i++) {
+ struct bnxt_tx_ring_info *txr = &bp->tx_ring[i];
- disable_irq(irq->vector);
- irq->handler(irq->vector, bp->bnapi[i]);
- enable_irq(irq->vector);
+ napi_schedule(&txr->bnapi->napi);
}
}
#endif
__le32 rx_tpa_end_cmp_errors_v2;
#define RX_TPA_END_CMP_V2 (0x1 << 0)
- #define RX_TPA_END_CMP_ERRORS (0x7fff << 1)
+ #define RX_TPA_END_CMP_ERRORS (0x3 << 1)
#define RX_TPA_END_CMPL_ERRORS_SHIFT 1
u32 rx_tpa_end_cmp_start_opaque;
};
+#define TPA_END_ERRORS(rx_tpa_end_ext) \
+ ((rx_tpa_end_ext)->rx_tpa_end_cmp_errors_v2 & \
+ cpu_to_le32(RX_TPA_END_CMP_ERRORS))
+
#define DB_IDX_MASK 0xffffff
#define DB_IDX_VALID (0x1 << 26)
#define DB_IRQ_DIS (0x1 << 27)
tristate "FMan support"
depends on FSL_SOC || ARCH_LAYERSCAPE || COMPILE_TEST
select GENERIC_ALLOCATOR
+ depends on HAS_DMA
select PHYLIB
default n
help
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(vlan_dev);
u16 vid = vlan_dev_vlan_id(vlan_dev);
+ if (netif_is_bridge_port(vlan_dev))
+ return 0;
+
if (mlxsw_sp_port_dev_check(real_dev))
return mlxsw_sp_inetaddr_vport_event(vlan_dev, real_dev, event,
vid);
*index = entry->index;
resolved = false;
} else if (removing) {
- ofdpa_neigh_del(trans, found);
*index = found->index;
+ ofdpa_neigh_del(trans, found);
} else if (updating) {
ofdpa_neigh_update(found, trans, NULL, false);
resolved = !is_zero_ether_addr(found->eth_dst);
* recipients
*/
if (is_mc_recip) {
- MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_IN_LEN);
+ MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_EXT_IN_LEN);
unsigned int depth, i;
memset(inbuf, 0, sizeof(inbuf));
efx_ef10_filter_set_entry(table, filter_idx, NULL, 0);
} else {
efx_mcdi_display_error(efx, MC_CMD_FILTER_OP,
- MC_CMD_FILTER_OP_IN_LEN,
+ MC_CMD_FILTER_OP_EXT_IN_LEN,
NULL, 0, rc);
}
}
struct efx_filter_spec *spec)
{
struct efx_ef10_filter_table *table = efx->filter_state;
- MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_IN_LEN);
+ MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_EXT_IN_LEN);
struct efx_filter_spec *saved_spec;
unsigned int hash, i, depth = 1;
bool replacing = false;
static void efx_ef10_filter_table_remove(struct efx_nic *efx)
{
struct efx_ef10_filter_table *table = efx->filter_state;
- MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_IN_LEN);
+ MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_EXT_IN_LEN);
struct efx_filter_spec *spec;
unsigned int filter_idx;
int rc;
/* Insert/renew filters */
for (i = 0; i < addr_count; i++) {
+ EFX_WARN_ON_PARANOID(ids[i] != EFX_EF10_FILTER_ID_INVALID);
efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, filter_flags, 0);
efx_filter_set_eth_local(&spec, vlan->vid, addr_list[i].addr);
rc = efx_ef10_filter_insert(efx, &spec, true);
}
return rc;
} else {
- /* mark as not inserted, and carry on */
- rc = EFX_EF10_FILTER_ID_INVALID;
+ /* keep invalid ID, and carry on */
}
+ } else {
+ ids[i] = efx_ef10_filter_get_unsafe_id(rc);
}
- ids[i] = efx_ef10_filter_get_unsafe_id(rc);
}
if (multicast && rollback) {
if (of_device_is_compatible(dev->of_node, "ti,dm816-emac"))
return cpsw_am33xx_cm_get_macid(dev, 0x30, slave, mac_addr);
- if (of_machine_is_compatible("ti,am4372"))
+ if (of_machine_is_compatible("ti,am43"))
return cpsw_am33xx_cm_get_macid(dev, 0x630, slave, mac_addr);
if (of_machine_is_compatible("ti,dra7"))
channels->rx_count || channels->tx_count || channels->other_count)
return -EINVAL;
- if (count > net->num_tx_queues || count > net->num_rx_queues)
+ if (count > net->num_tx_queues || count > VRSS_CHANNEL_MAX)
return -EINVAL;
if (!nvdev || nvdev->destroy)
rndis_dev = ndev->extension;
if (indir) {
for (i = 0; i < ITAB_NUM; i++)
- if (indir[i] >= dev->num_rx_queues)
+ if (indir[i] >= VRSS_CHANNEL_MAX)
return -EINVAL;
for (i = 0; i < ITAB_NUM; i++)
#define MACVLAN_HASH_SIZE (1<<MACVLAN_HASH_BITS)
#define MACVLAN_BC_QUEUE_LEN 1000
+#define MACVLAN_F_PASSTHRU 1
+#define MACVLAN_F_ADDRCHANGE 2
+
struct macvlan_port {
struct net_device *dev;
struct hlist_head vlan_hash[MACVLAN_HASH_SIZE];
struct list_head vlans;
struct sk_buff_head bc_queue;
struct work_struct bc_work;
- bool passthru;
+ u32 flags;
int count;
struct hlist_head vlan_source_hash[MACVLAN_HASH_SIZE];
DECLARE_BITMAP(mc_filter, MACVLAN_MC_FILTER_SZ);
+ unsigned char perm_addr[ETH_ALEN];
};
struct macvlan_source_entry {
static void macvlan_port_destroy(struct net_device *dev);
+static inline bool macvlan_passthru(const struct macvlan_port *port)
+{
+ return port->flags & MACVLAN_F_PASSTHRU;
+}
+
+static inline void macvlan_set_passthru(struct macvlan_port *port)
+{
+ port->flags |= MACVLAN_F_PASSTHRU;
+}
+
+static inline bool macvlan_addr_change(const struct macvlan_port *port)
+{
+ return port->flags & MACVLAN_F_ADDRCHANGE;
+}
+
+static inline void macvlan_set_addr_change(struct macvlan_port *port)
+{
+ port->flags |= MACVLAN_F_ADDRCHANGE;
+}
+
+static inline void macvlan_clear_addr_change(struct macvlan_port *port)
+{
+ port->flags &= ~MACVLAN_F_ADDRCHANGE;
+}
+
/* Hash Ethernet address */
static u32 macvlan_eth_hash(const unsigned char *addr)
{
static bool macvlan_addr_busy(const struct macvlan_port *port,
const unsigned char *addr)
{
- /* Test to see if the specified multicast address is
+ /* Test to see if the specified address is
* currently in use by the underlying device or
* another macvlan.
*/
- if (ether_addr_equal_64bits(port->dev->dev_addr, addr))
+ if (!macvlan_passthru(port) && !macvlan_addr_change(port) &&
+ ether_addr_equal_64bits(port->dev->dev_addr, addr))
return true;
if (macvlan_hash_lookup(port, addr))
}
macvlan_forward_source(skb, port, eth->h_source);
- if (port->passthru)
+ if (macvlan_passthru(port))
vlan = list_first_or_null_rcu(&port->vlans,
struct macvlan_dev, list);
else
struct net_device *lowerdev = vlan->lowerdev;
int err;
- if (vlan->port->passthru) {
+ if (macvlan_passthru(vlan->port)) {
if (!(vlan->flags & MACVLAN_FLAG_NOPROMISC)) {
err = dev_set_promiscuity(lowerdev, 1);
if (err < 0)
dev_uc_unsync(lowerdev, dev);
dev_mc_unsync(lowerdev, dev);
- if (vlan->port->passthru) {
+ if (macvlan_passthru(vlan->port)) {
if (!(vlan->flags & MACVLAN_FLAG_NOPROMISC))
dev_set_promiscuity(lowerdev, -1);
goto hash_del;
{
struct macvlan_dev *vlan = netdev_priv(dev);
struct net_device *lowerdev = vlan->lowerdev;
+ struct macvlan_port *port = vlan->port;
int err;
if (!(dev->flags & IFF_UP)) {
if (macvlan_addr_busy(vlan->port, addr))
return -EBUSY;
- if (!vlan->port->passthru) {
+ if (!macvlan_passthru(port)) {
err = dev_uc_add(lowerdev, addr);
if (err)
return err;
macvlan_hash_change_addr(vlan, addr);
}
+ if (macvlan_passthru(port) && !macvlan_addr_change(port)) {
+ /* Since addr_change isn't set, we are here due to lower
+ * device change. Save the lower-dev address so we can
+ * restore it later.
+ */
+ ether_addr_copy(vlan->port->perm_addr,
+ lowerdev->dev_addr);
+ }
+ macvlan_clear_addr_change(port);
return 0;
}
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
+ /* If the addresses are the same, this is a no-op */
+ if (ether_addr_equal(dev->dev_addr, addr->sa_data))
+ return 0;
+
if (vlan->mode == MACVLAN_MODE_PASSTHRU) {
+ macvlan_set_addr_change(vlan->port);
dev_set_mac_address(vlan->lowerdev, addr);
return 0;
}
/* Support unicast filter only on passthru devices.
* Multicast filter should be allowed on all devices.
*/
- if (!vlan->port->passthru && is_unicast_ether_addr(addr))
+ if (!macvlan_passthru(vlan->port) && is_unicast_ether_addr(addr))
return -EOPNOTSUPP;
if (flags & NLM_F_REPLACE)
/* Support unicast filter only on passthru devices.
* Multicast filter should be allowed on all devices.
*/
- if (!vlan->port->passthru && is_unicast_ether_addr(addr))
+ if (!macvlan_passthru(vlan->port) && is_unicast_ether_addr(addr))
return -EOPNOTSUPP;
if (is_unicast_ether_addr(addr))
if (port == NULL)
return -ENOMEM;
- port->passthru = false;
port->dev = dev;
+ ether_addr_copy(port->perm_addr, dev->dev_addr);
INIT_LIST_HEAD(&port->vlans);
for (i = 0; i < MACVLAN_HASH_SIZE; i++)
INIT_HLIST_HEAD(&port->vlan_hash[i]);
kfree_skb(skb);
}
+ /* If the lower device address has been changed by passthru
+ * macvlan, put it back.
+ */
+ if (macvlan_passthru(port) &&
+ !ether_addr_equal(port->dev->dev_addr, port->perm_addr)) {
+ struct sockaddr sa;
+
+ sa.sa_family = port->dev->type;
+ memcpy(&sa.sa_data, port->perm_addr, port->dev->addr_len);
+ dev_set_mac_address(port->dev, &sa);
+ }
+
kfree(port);
}
port = macvlan_port_get_rtnl(lowerdev);
/* Only 1 macvlan device can be created in passthru mode */
- if (port->passthru) {
+ if (macvlan_passthru(port)) {
/* The macvlan port must be not created this time,
* still goto destroy_macvlan_port for readability.
*/
err = -EINVAL;
goto destroy_macvlan_port;
}
- port->passthru = true;
+ macvlan_set_passthru(port);
eth_hw_addr_inherit(dev, lowerdev);
}
if (data && data[IFLA_MACVLAN_FLAGS]) {
__u16 flags = nla_get_u16(data[IFLA_MACVLAN_FLAGS]);
bool promisc = (flags ^ vlan->flags) & MACVLAN_FLAG_NOPROMISC;
- if (vlan->port->passthru && promisc) {
+ if (macvlan_passthru(vlan->port) && promisc) {
int err;
if (flags & MACVLAN_FLAG_NOPROMISC)
}
break;
case NETDEV_CHANGEADDR:
- if (!port->passthru)
+ if (!macvlan_passthru(port))
return NOTIFY_DONE;
vlan = list_first_entry_or_null(&port->vlans,
if (overflow) {
pr_debug("tx timestamp queue overflow, count %d\n", overflow);
while (skb) {
- skb_complete_tx_timestamp(skb, NULL);
+ kfree_skb(skb);
skb = skb_dequeue(&dp83640->tx_queue);
}
return;
if ((regval & 0xFF) == 0xFF) {
phy_init_hw(phydev);
phydev->link = 0;
+ if (phydev->drv->config_intr && phy_interrupt_is_valid(phydev))
+ phydev->drv->config_intr(phydev);
}
return 0;
.tx_fixup = ax88179_tx_fixup,
};
+static const struct driver_info belkin_info = {
+ .description = "Belkin USB Ethernet Adapter",
+ .bind = ax88179_bind,
+ .unbind = ax88179_unbind,
+ .status = ax88179_status,
+ .link_reset = ax88179_link_reset,
+ .reset = ax88179_reset,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX,
+ .rx_fixup = ax88179_rx_fixup,
+ .tx_fixup = ax88179_tx_fixup,
+};
+
static const struct usb_device_id products[] = {
{
/* ASIX AX88179 10/100/1000 */
/* Lenovo OneLinkDock Gigabit LAN */
USB_DEVICE(0x17ef, 0x304b),
.driver_info = (unsigned long)&lenovo_info,
+}, {
+ /* Belkin B2B128 USB 3.0 Hub + Gigabit Ethernet Adapter */
+ USB_DEVICE(0x050d, 0x0128),
+ .driver_info = (unsigned long)&belkin_info,
},
{ },
};
tbp = tb;
}
- if (tbp[IFLA_IFNAME]) {
+ if (ifmp && tbp[IFLA_IFNAME]) {
nla_strlcpy(ifname, tbp[IFLA_IFNAME], IFNAMSIZ);
name_assign_type = NET_NAME_USER;
} else {
return PTR_ERR(peer);
}
- if (tbp[IFLA_ADDRESS] == NULL)
+ if (!ifmp || !tbp[IFLA_ADDRESS])
eth_hw_addr_random(peer);
if (ifmp && (dev->ifindex != 0))
flush_work(&vi->config_work);
netif_device_detach(vi->dev);
+ netif_tx_disable(vi->dev);
cancel_delayed_work_sync(&vi->refill);
if (netif_running(vi->dev)) {
unsigned long remaining_credit;
struct timer_list credit_timeout;
u64 credit_window_start;
+ bool rate_limited;
/* Statistics */
struct xenvif_stats stats;
if (work_done < budget) {
napi_complete_done(napi, work_done);
- xenvif_napi_schedule_or_enable_events(queue);
+ /* If the queue is rate-limited, it shall be
+ * rescheduled in the timer callback.
+ */
+ if (likely(!queue->rate_limited))
+ xenvif_napi_schedule_or_enable_events(queue);
}
return work_done;
max_credit = ULONG_MAX; /* wrapped: clamp to ULONG_MAX */
queue->remaining_credit = min(max_credit, max_burst);
+ queue->rate_limited = false;
}
void xenvif_tx_credit_callback(unsigned long data)
msecs_to_jiffies(queue->credit_usec / 1000);
/* Timer could already be pending in rare cases. */
- if (timer_pending(&queue->credit_timeout))
+ if (timer_pending(&queue->credit_timeout)) {
+ queue->rate_limited = true;
return true;
+ }
/* Passed the point where we can replenish credit? */
if (time_after_eq64(now, next_credit)) {
mod_timer(&queue->credit_timeout,
next_credit);
queue->credit_window_start = next_credit;
+ queue->rate_limited = true;
return true;
}
if (pci_is_enabled(pdev)) {
u32 csts = readl(dev->bar + NVME_REG_CSTS);
- if (dev->ctrl.state == NVME_CTRL_LIVE)
+ if (dev->ctrl.state == NVME_CTRL_LIVE ||
+ dev->ctrl.state == NVME_CTRL_RESETTING)
nvme_start_freeze(&dev->ctrl);
dead = !!((csts & NVME_CSTS_CFS) || !(csts & NVME_CSTS_RDY) ||
pdev->error_state != pci_channel_io_normal);
kfree(vecs);
if (unlikely(bio.bi_error))
- return bio.bi_error;
+ ret = bio.bi_error;
+
+ bio_uninit(&bio);
+
return ret;
}
* A single slot, so highest used slotid is either 0 or -1
*/
nfs4_free_slot(tbl, slot);
- nfs4_slot_tbl_drain_complete(tbl);
spin_unlock(&tbl->slot_tbl_lock);
}
}
EXPORT_SYMBOL_GPL(nfs_link);
-static void
-nfs_complete_rename(struct rpc_task *task, struct nfs_renamedata *data)
-{
- struct dentry *old_dentry = data->old_dentry;
- struct dentry *new_dentry = data->new_dentry;
- struct inode *old_inode = d_inode(old_dentry);
- struct inode *new_inode = d_inode(new_dentry);
-
- nfs_mark_for_revalidate(old_inode);
-
- switch (task->tk_status) {
- case 0:
- if (new_inode != NULL)
- nfs_drop_nlink(new_inode);
- d_move(old_dentry, new_dentry);
- nfs_set_verifier(new_dentry,
- nfs_save_change_attribute(data->new_dir));
- break;
- case -ENOENT:
- nfs_dentry_handle_enoent(old_dentry);
- }
-}
-
/*
* RENAME
* FIXME: Some nfsds, like the Linux user space nfsd, may generate a
{
struct inode *old_inode = d_inode(old_dentry);
struct inode *new_inode = d_inode(new_dentry);
- struct dentry *dentry = NULL;
+ struct dentry *dentry = NULL, *rehash = NULL;
struct rpc_task *task;
int error = -EBUSY;
* To prevent any new references to the target during the
* rename, we unhash the dentry in advance.
*/
- if (!d_unhashed(new_dentry))
+ if (!d_unhashed(new_dentry)) {
d_drop(new_dentry);
+ rehash = new_dentry;
+ }
if (d_count(new_dentry) > 2) {
int err;
goto out;
new_dentry = dentry;
+ rehash = NULL;
new_inode = NULL;
}
}
if (new_inode != NULL)
NFS_PROTO(new_inode)->return_delegation(new_inode);
- task = nfs_async_rename(old_dir, new_dir, old_dentry, new_dentry,
- nfs_complete_rename);
+ task = nfs_async_rename(old_dir, new_dir, old_dentry, new_dentry, NULL);
if (IS_ERR(task)) {
error = PTR_ERR(task);
goto out;
if (error == 0)
error = task->tk_status;
rpc_put_task(task);
+ nfs_mark_for_revalidate(old_inode);
out:
+ if (rehash)
+ d_rehash(rehash);
trace_nfs_rename_exit(old_dir, old_dentry,
new_dir, new_dentry, error);
+ if (!error) {
+ if (new_inode != NULL)
+ nfs_drop_nlink(new_inode);
+ /*
+ * The d_move() should be here instead of in an async RPC completion
+ * handler because we need the proper locks to move the dentry. If
+ * we're interrupted by a signal, the async RPC completion handler
+ * should mark the directories for revalidation.
+ */
+ d_move(old_dentry, new_dentry);
+ nfs_set_verifier(new_dentry,
+ nfs_save_change_attribute(new_dir));
+ } else if (error == -ENOENT)
+ nfs_dentry_handle_enoent(old_dentry);
+
/* new dentry created? */
if (dentry)
dput(dentry);
/* Except MODE, it seems harmless of setting twice. */
if (opendata->o_arg.createmode != NFS4_CREATE_EXCLUSIVE &&
- attrset[1] & FATTR4_WORD1_MODE)
+ (attrset[1] & FATTR4_WORD1_MODE ||
+ attrset[2] & FATTR4_WORD2_MODE_UMASK))
sattr->ia_valid &= ~ATTR_MODE;
if (attrset[2] & FATTR4_WORD2_SECURITY_LABEL)
size_t max_pages = max_response_pages(server);
dprintk("--> %s\n", __func__);
+ nfs4_sequence_free_slot(&lgp->res.seq_res);
nfs4_free_pages(lgp->args.layout.pages, max_pages);
pnfs_put_layout_hdr(NFS_I(inode)->layout);
put_nfs_open_context(lgp->args.ctx);
/* if layoutp->len is 0, nfs4_layoutget_prepare called rpc_exit */
if (status == 0 && lgp->res.layoutp->len)
lseg = pnfs_layout_process(lgp);
- nfs4_sequence_free_slot(&lgp->res.seq_res);
rpc_put_task(task);
dprintk("<-- %s status=%d\n", __func__, status);
if (status)
put_rpccred(cred);
switch (status) {
case 0:
+ case -EINTR:
+ case -ERESTARTSYS:
break;
case -ETIMEDOUT:
if (clnt->cl_softrtry)
.link = link
};
- upper = lookup_one_len(dentry->d_name.name, upperdir,
- dentry->d_name.len);
- err = PTR_ERR(upper);
- if (IS_ERR(upper))
- goto out;
-
err = security_inode_copy_up(dentry, &new_creds);
if (err < 0)
- goto out1;
+ goto out;
if (new_creds)
old_creds = override_creds(new_creds);
}
if (err)
- goto out2;
+ goto out;
if (S_ISREG(stat->mode)) {
struct path upperpath;
/*
* Store identifier of lower inode in upper inode xattr to
* allow lookup of the copy up origin inode.
+ *
+ * Don't set origin when we are breaking the association with a lower
+ * hard link.
*/
- err = ovl_set_origin(dentry, lowerpath->dentry, temp);
- if (err)
+ if (S_ISDIR(stat->mode) || stat->nlink == 1) {
+ err = ovl_set_origin(dentry, lowerpath->dentry, temp);
+ if (err)
+ goto out_cleanup;
+ }
+
+ upper = lookup_one_len(dentry->d_name.name, upperdir,
+ dentry->d_name.len);
+ if (IS_ERR(upper)) {
+ err = PTR_ERR(upper);
+ upper = NULL;
goto out_cleanup;
+ }
if (tmpfile)
err = ovl_do_link(temp, udir, upper, true);
/* Restore timestamps on parent (best effort) */
ovl_set_timestamps(upperdir, pstat);
-out2:
+out:
dput(temp);
-out1:
dput(upper);
-out:
return err;
out_cleanup:
if (!tmpfile)
ovl_cleanup(wdir, temp);
- goto out2;
+ goto out;
}
/*
extern void bio_init(struct bio *bio, struct bio_vec *table,
unsigned short max_vecs);
+extern void bio_uninit(struct bio *);
extern void bio_reset(struct bio *);
void bio_chain(struct bio *, struct bio *);
/**
* hash_for_each_possible_rcu - iterate over all possible objects hashing to the
* same bucket in an rcu enabled hashtable
- * in a rcu enabled hashtable
* @name: hashtable to iterate
* @obj: the type * to use as a loop cursor for each entry
* @member: the name of the hlist_node within the struct
}
#endif
-#ifdef CONFIG_XFRM_OFFLOAD
void __net_init xfrm_dev_init(void);
+
+#ifdef CONFIG_XFRM_OFFLOAD
int validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t features);
int xfrm_dev_state_add(struct net *net, struct xfrm_state *x,
struct xfrm_user_offload *xuo);
}
}
#else
-static inline void __net_init xfrm_dev_init(void)
-{
-}
-
static inline int validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t features)
{
return 0;
#define N_TXTADDR(x) (N_MAGIC(x) == QMAGIC ? PAGE_SIZE : 0)
#endif
-/* Address of data segment in memory after it is loaded.
- Note that it is up to you to define SEGMENT_SIZE
- on machines not listed here. */
-#if defined(vax) || defined(hp300) || defined(pyr)
-#define SEGMENT_SIZE page_size
-#endif
-#ifdef sony
-#define SEGMENT_SIZE 0x2000
-#endif /* Sony. */
-#ifdef is68k
-#define SEGMENT_SIZE 0x20000
-#endif
-#if defined(m68k) && defined(PORTAR)
-#define PAGE_SIZE 0x400
-#define SEGMENT_SIZE PAGE_SIZE
-#endif
-
-#ifdef linux
+/* Address of data segment in memory after it is loaded. */
#ifndef __KERNEL__
#include <unistd.h>
#endif
#endif
#endif
#endif
-#endif
#define _N_SEGMENT_ROUND(x) ALIGN(x, SEGMENT_SIZE)
unsigned int r_extern:1;
/* Four bits that aren't used, but when writing an object file
it is desirable to clear them. */
-#ifdef NS32K
- unsigned r_bsr:1;
- unsigned r_disp:1;
- unsigned r_pad:2;
-#else
unsigned int r_pad:4;
-#endif
};
#endif /* no N_RELOCATION_INFO_DECLARED. */
if (err)
return err;
+ if (is_pointer_value(env, insn->src_reg)) {
+ verbose("R%d leaks addr into mem\n", insn->src_reg);
+ return -EACCES;
+ }
+
/* check whether atomic_add can read the memory */
err = check_mem_access(env, insn->dst_reg, insn->off,
BPF_SIZE(insn->code), BPF_READ, -1);
command = strsep(&next, ":");
- if (WARN_ON_ONCE(!tr))
- return -EINVAL;
-
mutex_lock(&ftrace_cmd_mutex);
list_for_each_entry(p, &ftrace_commands, list) {
if (strcmp(p->name, command) == 0) {
char *number;
int ret;
+ if (!tr)
+ return -ENODEV;
+
/* hash funcs only work with set_ftrace_filter */
if (!enable)
return -EINVAL;
{
struct ftrace_probe_ops *ops;
+ if (!tr)
+ return -ENODEV;
+
/* we register both traceon and traceoff to this callback */
if (strcmp(cmd, "traceon") == 0)
ops = param ? &traceon_count_probe_ops : &traceon_probe_ops;
{
struct ftrace_probe_ops *ops;
+ if (!tr)
+ return -ENODEV;
+
ops = param ? &stacktrace_count_probe_ops : &stacktrace_probe_ops;
return ftrace_trace_probe_callback(tr, ops, hash, glob, cmd,
{
struct ftrace_probe_ops *ops;
+ if (!tr)
+ return -ENODEV;
+
ops = &dump_probe_ops;
/* Only dump once. */
{
struct ftrace_probe_ops *ops;
+ if (!tr)
+ return -ENODEV;
+
ops = &cpudump_probe_ops;
/* Only dump once. */
pr_info("Probe point is not specified.\n");
return -EINVAL;
}
- if (isdigit(argv[1][0])) {
- /* an address specified */
- ret = kstrtoul(&argv[1][0], 0, (unsigned long *)&addr);
- if (ret) {
- pr_info("Failed to parse address.\n");
- return ret;
- }
- } else {
+
+ /* try to parse an address. if that fails, try to read the
+ * input as a symbol. */
+ if (kstrtoul(argv[1], 0, (unsigned long *)&addr)) {
/* a symbol specified */
symbol = argv[1];
/* TODO: support .init module functions */
ret = traceprobe_split_symbol_offset(symbol, &offset);
if (ret) {
- pr_info("Failed to parse symbol.\n");
+ pr_info("Failed to parse either an address or a symbol.\n");
return ret;
}
if (offset && is_return &&
static int
stack_trace_filter_open(struct inode *inode, struct file *file)
{
- return ftrace_regex_open(&trace_ops, FTRACE_ITER_FILTER,
+ struct ftrace_ops *ops = inode->i_private;
+
+ return ftrace_regex_open(ops, FTRACE_ITER_FILTER,
inode, file);
}
NULL, &stack_trace_fops);
trace_create_file("stack_trace_filter", 0444, d_tracer,
- NULL, &stack_trace_filter_fops);
+ &trace_ops, &stack_trace_filter_fops);
if (stack_trace_filter_buf[0])
ftrace_set_early_filter(&trace_ops, stack_trace_filter_buf, 1);
}
EXPORT_SYMBOL(gro_find_complete_by_type);
+static void napi_skb_free_stolen_head(struct sk_buff *skb)
+{
+ skb_dst_drop(skb);
+ secpath_reset(skb);
+ kmem_cache_free(skbuff_head_cache, skb);
+}
+
static gro_result_t napi_skb_finish(gro_result_t ret, struct sk_buff *skb)
{
switch (ret) {
break;
case GRO_MERGED_FREE:
- if (NAPI_GRO_CB(skb)->free == NAPI_GRO_FREE_STOLEN_HEAD) {
- skb_dst_drop(skb);
- secpath_reset(skb);
- kmem_cache_free(skbuff_head_cache, skb);
- } else {
+ if (NAPI_GRO_CB(skb)->free == NAPI_GRO_FREE_STOLEN_HEAD)
+ napi_skb_free_stolen_head(skb);
+ else
__kfree_skb(skb);
- }
break;
case GRO_HELD:
break;
case GRO_DROP:
- case GRO_MERGED_FREE:
napi_reuse_skb(napi, skb);
break;
+ case GRO_MERGED_FREE:
+ if (NAPI_GRO_CB(skb)->free == NAPI_GRO_FREE_STOLEN_HEAD)
+ napi_skb_free_stolen_head(skb);
+ else
+ napi_reuse_skb(napi, skb);
+ break;
+
case GRO_MERGED:
case GRO_CONSUMED:
break;
} else {
netdev_stats_to_stats64(storage, &dev->stats);
}
- storage->rx_dropped += atomic_long_read(&dev->rx_dropped);
- storage->tx_dropped += atomic_long_read(&dev->tx_dropped);
- storage->rx_nohandler += atomic_long_read(&dev->rx_nohandler);
+ storage->rx_dropped += (unsigned long)atomic_long_read(&dev->rx_dropped);
+ storage->tx_dropped += (unsigned long)atomic_long_read(&dev->tx_dropped);
+ storage->rx_nohandler += (unsigned long)atomic_long_read(&dev->rx_nohandler);
return storage;
}
EXPORT_SYMBOL(dev_get_stats);
csummode = CHECKSUM_PARTIAL;
cork->length += length;
- if ((((length + fragheaderlen) > mtu) || (skb && skb_is_gso(skb))) &&
+ if ((((length + (skb ? skb->len : fragheaderlen)) > mtu) ||
+ (skb && skb_is_gso(skb))) &&
(sk->sk_protocol == IPPROTO_UDP) &&
(rt->dst.dev->features & NETIF_F_UFO) && !dst_xfrm(&rt->dst) &&
(sk->sk_type == SOCK_DGRAM) && !sk->sk_no_check_tx) {
tcp_init_send_head(sk);
memset(&tp->rx_opt, 0, sizeof(tp->rx_opt));
__sk_dst_reset(sk);
+ dst_release(sk->sk_rx_dst);
+ sk->sk_rx_dst = NULL;
tcp_saved_syn_free(tp);
/* Clean up fastopen related fields */
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct netdev_notifier_changeupper_info *info;
struct inet6_dev *idev = __in6_dev_get(dev);
+ struct net *net = dev_net(dev);
int run_pending = 0;
int err;
case NETDEV_CHANGEMTU:
/* if MTU under IPV6_MIN_MTU stop IPv6 on this interface. */
if (dev->mtu < IPV6_MIN_MTU) {
- addrconf_ifdown(dev, 1);
+ addrconf_ifdown(dev, dev != net->loopback_dev);
break;
}
* IPV6_MIN_MTU stop IPv6 on this interface.
*/
if (dev->mtu < IPV6_MIN_MTU)
- addrconf_ifdown(dev, 1);
+ addrconf_ifdown(dev, dev != net->loopback_dev);
}
break;
*/
err = ip6_datagram_dst_update(sk, true);
- if (err)
+ if (err) {
+ /* Reset daddr and dport so that udp_v6_early_demux()
+ * fails to find this socket
+ */
+ memset(&sk->sk_v6_daddr, 0, sizeof(sk->sk_v6_daddr));
+ inet->inet_dport = 0;
goto out;
+ }
sk->sk_state = TCP_ESTABLISHED;
sk_set_txhash(sk);
#include <net/ipv6.h>
#include <linux/icmpv6.h>
+static __u16 esp6_nexthdr_esp_offset(struct ipv6hdr *ipv6_hdr, int nhlen)
+{
+ int off = sizeof(struct ipv6hdr);
+ struct ipv6_opt_hdr *exthdr;
+
+ if (likely(ipv6_hdr->nexthdr == NEXTHDR_ESP))
+ return offsetof(struct ipv6hdr, nexthdr);
+
+ while (off < nhlen) {
+ exthdr = (void *)ipv6_hdr + off;
+ if (exthdr->nexthdr == NEXTHDR_ESP)
+ return off;
+
+ off += ipv6_optlen(exthdr);
+ }
+
+ return 0;
+}
+
static struct sk_buff **esp6_gro_receive(struct sk_buff **head,
struct sk_buff *skb)
{
struct xfrm_state *x;
__be32 seq;
__be32 spi;
+ int nhoff;
int err;
skb_pull(skb, offset);
xo->flags |= XFRM_GRO;
+ nhoff = esp6_nexthdr_esp_offset(ipv6_hdr(skb), offset);
+ if (!nhoff)
+ goto out;
+
+ IP6CB(skb)->nhoff = nhoff;
XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6 = NULL;
XFRM_SPI_SKB_CB(skb)->family = AF_INET6;
XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct ipv6hdr, daddr);
*/
cork->length += length;
- if ((((length + fragheaderlen) > mtu) ||
+ if ((((length + (skb ? skb->len : headersize)) > mtu) ||
(skb && skb_is_gso(skb))) &&
(sk->sk_protocol == IPPROTO_UDP) &&
(rt->dst.dev->features & NETIF_F_UFO) && !dst_xfrm(&rt->dst) &&
net->ipv6.ip6_blk_hole_entry->dst.dev = dev;
net->ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(dev);
#endif
- } else if (event == NETDEV_UNREGISTER) {
+ } else if (event == NETDEV_UNREGISTER &&
+ dev->reg_state != NETREG_UNREGISTERED) {
+ /* NETDEV_UNREGISTER could be fired for multiple times by
+ * netdev_wait_allrefs(). Make sure we only call this once.
+ */
in6_dev_put(net->ipv6.ip6_null_entry->rt6i_idev);
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
in6_dev_put(net->ipv6.ip6_prohibit_entry->rt6i_idev);
* we try harder to allocate.
*/
kp = (cmax <= 1 || capable(CAP_NET_ADMIN)) ?
- kcalloc(cmax, sizeof(*kp), GFP_KERNEL) :
+ kcalloc(cmax, sizeof(*kp), GFP_KERNEL | __GFP_NOWARN) :
NULL;
rcu_read_lock();
struct sock *sk;
udp_portaddr_for_each_entry_rcu(sk, &hslot2->head) {
- if (INET6_MATCH(sk, net, rmt_addr, loc_addr, ports, dif))
+ if (sk->sk_state == TCP_ESTABLISHED &&
+ INET6_MATCH(sk, net, rmt_addr, loc_addr, ports, dif))
return sk;
/* Only check first socket in chain */
break;
return 1;
#endif
- ipv6_hdr(skb)->payload_len = htons(skb->len);
__skb_push(skb, skb->data - skb_network_header(skb));
+ ipv6_hdr(skb)->payload_len = htons(skb->len - sizeof(struct ipv6hdr));
if (xo && (xo->flags & XFRM_GRO)) {
skb_mac_header_rebuild(skb);
goto out;
}
+ err = -ENOBUFS;
key = ext_hdrs[SADB_EXT_KEY_AUTH - 1];
if (sa->sadb_sa_auth) {
int keysize = 0;
if (key)
keysize = (key->sadb_key_bits + 7) / 8;
x->aalg = kmalloc(sizeof(*x->aalg) + keysize, GFP_KERNEL);
- if (!x->aalg)
+ if (!x->aalg) {
+ err = -ENOMEM;
goto out;
+ }
strcpy(x->aalg->alg_name, a->name);
x->aalg->alg_key_len = 0;
if (key) {
goto out;
}
x->calg = kmalloc(sizeof(*x->calg), GFP_KERNEL);
- if (!x->calg)
+ if (!x->calg) {
+ err = -ENOMEM;
goto out;
+ }
strcpy(x->calg->alg_name, a->name);
x->props.calgo = sa->sadb_sa_encrypt;
} else {
if (key)
keysize = (key->sadb_key_bits + 7) / 8;
x->ealg = kmalloc(sizeof(*x->ealg) + keysize, GFP_KERNEL);
- if (!x->ealg)
+ if (!x->ealg) {
+ err = -ENOMEM;
goto out;
+ }
strcpy(x->ealg->alg_name, a->name);
x->ealg->alg_key_len = 0;
if (key) {
struct xfrm_encap_tmpl *natt;
x->encap = kmalloc(sizeof(*x->encap), GFP_KERNEL);
- if (!x->encap)
+ if (!x->encap) {
+ err = -ENOMEM;
goto out;
+ }
natt = x->encap;
n_type = ext_hdrs[SADB_X_EXT_NAT_T_TYPE-1];
int err, err2;
err = xfrm_policy_flush(net, XFRM_POLICY_TYPE_MAIN, true);
+ if (!err)
+ xfrm_garbage_collect(net);
err2 = unicast_flush_resp(sk, hdr);
if (err || err2) {
if (err == -ESRCH) /* empty table - old silent behavior */
return sch;
}
/* ops->init() failed, we call ->destroy() like qdisc_create_dflt() */
- ops->destroy(sch);
+ if (ops->destroy)
+ ops->destroy(sch);
err_out3:
dev_put(dev);
kfree((char *) sch - sch->padded);
obj-$(CONFIG_XFRM) := xfrm_policy.o xfrm_state.o xfrm_hash.o \
xfrm_input.o xfrm_output.o \
- xfrm_sysctl.o xfrm_replay.o
-obj-$(CONFIG_XFRM_OFFLOAD) += xfrm_device.o
+ xfrm_sysctl.o xfrm_replay.o xfrm_device.o
obj-$(CONFIG_XFRM_STATISTICS) += xfrm_proc.o
obj-$(CONFIG_XFRM_ALGO) += xfrm_algo.o
obj-$(CONFIG_XFRM_USER) += xfrm_user.o
#include <net/xfrm.h>
#include <linux/notifier.h>
+#ifdef CONFIG_XFRM_OFFLOAD
int validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t features)
{
int err;
return true;
}
EXPORT_SYMBOL_GPL(xfrm_dev_offload_ok);
+#endif
int xfrm_dev_register(struct net_device *dev)
{
err = -ESRCH;
out:
spin_unlock_bh(&net->xfrm.xfrm_policy_lock);
-
- if (cnt)
- xfrm_garbage_collect(net);
-
return err;
}
EXPORT_SYMBOL(xfrm_policy_flush);
return 0;
return err;
}
+ xfrm_garbage_collect(net);
c.data.type = type;
c.event = nlh->nlmsg_type;
#define list_for_each_codec(c, bus) \
list_for_each_entry(c, &(bus)->core.codec_list, core.list)
+#define list_for_each_codec_safe(c, n, bus) \
+ list_for_each_entry_safe(c, n, &(bus)->core.codec_list, core.list)
/* snd_hda_codec_read/write optional flags */
#define HDA_RW_NO_RESPONSE_FALLBACK (1 << 0)
/* configure each codec instance */
int azx_codec_configure(struct azx *chip)
{
- struct hda_codec *codec;
- list_for_each_codec(codec, &chip->bus) {
+ struct hda_codec *codec, *next;
+
+ /* use _safe version here since snd_hda_codec_configure() deregisters
+ * the device upon error and deletes itself from the bus list.
+ */
+ list_for_each_codec_safe(codec, next, &chip->bus) {
snd_hda_codec_configure(codec);
}
return 0;
spec->input_paths[i][nums]);
spec->input_paths[i][nums] =
spec->input_paths[i][n];
+ spec->input_paths[i][n] = 0;
}
}
nums++;
.result = REJECT,
.errstr = "invalid bpf_context access",
},
+ {
+ "leak pointer into ctx 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_STX_XADD(BPF_DW, BPF_REG_1, BPF_REG_2,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map1 = { 2 },
+ .errstr_unpriv = "R2 leaks addr into mem",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ },
+ {
+ "leak pointer into ctx 2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_STX_XADD(BPF_DW, BPF_REG_1, BPF_REG_10,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "R10 leaks addr into mem",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ },
+ {
+ "leak pointer into ctx 3",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map1 = { 1 },
+ .errstr_unpriv = "R2 leaks addr into ctx",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ },
+ {
+ "leak pointer into map val",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0),
+ BPF_STX_XADD(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map1 = { 4 },
+ .errstr_unpriv = "R6 leaks addr into mem",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ },
{
"helper access to map: full range",
.insns = {
projects / mirror_ubuntu-artful-kernel.git / commitdiff