#define included_vlib_buffer_funcs_h
#include <vppinfra/hash.h>
+#include <vppinfra/fifo.h>
/** \file
vlib buffer access methods.
u64x4 b0 = u32x4_extend_to_u64x4 (u32x4_load_unaligned (bi));
/* shift and add to get vlib_buffer_t pointer */
u64x4_store_unaligned ((b0 << CLIB_LOG2_CACHE_LINE_BYTES) + off, b);
+#elif defined (CLIB_HAVE_VEC128)
+ u64x2 off = u64x2_splat (buffer_main.buffer_mem_start + offset);
+ u32x4 bi4 = u32x4_load_unaligned (bi);
+ u64x2 b0 = u32x4_extend_to_u64x2 ((u32x4) bi4);
+#if defined (__aarch64__)
+ u64x2 b1 = u32x4_extend_to_u64x2_high ((u32x4) bi4);
+#else
+ bi4 = u32x4_shuffle (bi4, 2, 3, 0, 1);
+ u64x2 b1 = u32x4_extend_to_u64x2 ((u32x4) bi4);
+#endif
+ u64x2_store_unaligned ((b0 << CLIB_LOG2_CACHE_LINE_BYTES) + off, b);
+ u64x2_store_unaligned ((b1 << CLIB_LOG2_CACHE_LINE_BYTES) + off, b + 2);
#else
b[0] = ((u8 *) vlib_get_buffer (vm, bi[0])) + offset;
b[1] = ((u8 *) vlib_get_buffer (vm, bi[1])) + offset;
{
b = vlib_get_buffer (vm, buffer_index);
l = b->current_length;
- clib_memcpy (contents + content_len, b->data + b->current_data, l);
+ clib_memcpy_fast (contents + content_len, b->data + b->current_data, l);
content_len += l;
if (!(b->flags & VLIB_BUFFER_NEXT_PRESENT))
break;
return content_len;
}
-/* Return physical address of buffer->data start. */
-always_inline u64
-vlib_get_buffer_data_physical_address (vlib_main_t * vm, u32 buffer_index)
+always_inline uword
+vlib_buffer_get_pa (vlib_main_t * vm, vlib_buffer_t * b)
{
- vlib_buffer_main_t *bm = &buffer_main;
- vlib_buffer_t *b = vlib_get_buffer (vm, buffer_index);
- vlib_buffer_pool_t *pool = vec_elt_at_index (bm->buffer_pools,
- b->buffer_pool_index);
+ return vlib_physmem_get_pa (vm, b->data);
+}
- return vlib_physmem_virtual_to_physical (vm, pool->physmem_region, b->data);
+always_inline uword
+vlib_buffer_get_current_pa (vlib_main_t * vm, vlib_buffer_t * b)
+{
+ return vlib_buffer_get_pa (vm, b) + b->current_data;
}
/** \brief Prefetch buffer metadata by buffer index
/* following code is intentionaly duplicated to allow compiler
to optimize fast path when n_buffers is constant value */
src = fl->buffers + len - n_buffers;
- clib_memcpy (buffers, src, n_buffers * sizeof (u32));
+ clib_memcpy_fast (buffers, src, n_buffers * sizeof (u32));
_vec_len (fl->buffers) -= n_buffers;
/* Verify that buffers are known free. */
}
src = fl->buffers + len - n_buffers;
- clib_memcpy (buffers, src, n_buffers * sizeof (u32));
+ clib_memcpy_fast (buffers, src, n_buffers * sizeof (u32));
_vec_len (fl->buffers) -= n_buffers;
/* Verify that buffers are known free. */
d->flags = s->flags & flag_mask;
d->total_length_not_including_first_buffer =
s->total_length_not_including_first_buffer;
- clib_memcpy (d->opaque, s->opaque, sizeof (s->opaque));
- clib_memcpy (vlib_buffer_get_current (d),
- vlib_buffer_get_current (s), s->current_length);
+ clib_memcpy_fast (d->opaque, s->opaque, sizeof (s->opaque));
+ clib_memcpy_fast (d->opaque2, s->opaque2, sizeof (s->opaque2));
+ clib_memcpy_fast (vlib_buffer_get_current (d),
+ vlib_buffer_get_current (s), s->current_length);
/* next segments */
for (i = 1; i < n_buffers; i++)
d = vlib_get_buffer (vm, new_buffers[i]);
d->current_data = s->current_data;
d->current_length = s->current_length;
- clib_memcpy (vlib_buffer_get_current (d),
- vlib_buffer_get_current (s), s->current_length);
+ clib_memcpy_fast (vlib_buffer_get_current (d),
+ vlib_buffer_get_current (s), s->current_length);
d->flags = s->flags & flag_mask;
}
}
d->flags = s->flags | VLIB_BUFFER_NEXT_PRESENT;
d->flags &= ~VLIB_BUFFER_EXT_HDR_VALID;
- clib_memcpy (d->opaque, s->opaque, sizeof (s->opaque));
- clib_memcpy (vlib_buffer_get_current (d), vlib_buffer_get_current (s),
- head_end_offset);
+ clib_memcpy_fast (d->opaque, s->opaque, sizeof (s->opaque));
+ clib_memcpy_fast (d->opaque2, s->opaque2, sizeof (s->opaque2));
+ clib_memcpy_fast (vlib_buffer_get_current (d),
+ vlib_buffer_get_current (s), head_end_offset);
d->next_buffer = src_buffer;
}
vlib_buffer_advance (s, head_end_offset);
tail->total_length_not_including_first_buffer;
next_segment:
- __sync_add_and_fetch (&tail->n_add_refs, 1);
+ clib_atomic_add_fetch (&tail->n_add_refs, 1);
if (tail->flags & VLIB_BUFFER_NEXT_PRESENT)
{
/* The provided next_bi buffer index is appended to the end of the packet. */
always_inline vlib_buffer_t *
-vlib_buffer_chain_buffer (vlib_main_t * vm,
- vlib_buffer_t * first,
- vlib_buffer_t * last, u32 next_bi)
+vlib_buffer_chain_buffer (vlib_main_t * vm, vlib_buffer_t * last, u32 next_bi)
{
vlib_buffer_t *next_buffer = vlib_get_buffer (vm, next_bi);
last->next_buffer = next_bi;
u16 len = clib_min (data_len,
n_buffer_bytes - last->current_length -
last->current_data);
- clib_memcpy (vlib_buffer_get_current (last) + last->current_length, data,
- len);
+ clib_memcpy_fast (vlib_buffer_get_current (last) + last->current_length,
+ data, len);
vlib_buffer_chain_increase_length (first, last, len);
return len;
}
/* Make sure buffer template is sane. */
ASSERT (fl->index == vlib_buffer_get_free_list_index (src));
- clib_memcpy (STRUCT_MARK_PTR (dst, template_start),
- STRUCT_MARK_PTR (src, template_start),
- STRUCT_OFFSET_OF (vlib_buffer_t, template_end) -
- STRUCT_OFFSET_OF (vlib_buffer_t, template_start));
+ clib_memcpy_fast (STRUCT_MARK_PTR (dst, template_start),
+ STRUCT_MARK_PTR (src, template_start),
+ STRUCT_OFFSET_OF (vlib_buffer_t, template_end) -
+ STRUCT_OFFSET_OF (vlib_buffer_t, template_start));
/* Not in the first 16 octets. */
dst->n_add_refs = src->n_add_refs;
oldheap = clib_mem_set_heap (vlib_buffer_state_heap);
- while (__sync_lock_test_and_set (vlib_buffer_state_validation_lock, 1))
+ while (clib_atomic_test_and_set (vlib_buffer_state_validation_lock))
;
p = hash_get (vlib_buffer_state_validation_hash, b);
oldheap = clib_mem_set_heap (vlib_buffer_state_heap);
- while (__sync_lock_test_and_set (vlib_buffer_state_validation_lock, 1))
+ while (clib_atomic_test_and_set (vlib_buffer_state_validation_lock))
;
hash_set (vlib_buffer_state_validation_hash, b, expected);
vlib_buffer_t *second = vlib_get_buffer (vm, first->next_buffer);
u32 need = want_first_size - first->current_length;
u32 amount_to_copy = clib_min (need, second->current_length);
- clib_memcpy (((u8 *) vlib_buffer_get_current (first)) +
- first->current_length,
- vlib_buffer_get_current (second), amount_to_copy);
+ clib_memcpy_fast (((u8 *) vlib_buffer_get_current (first)) +
+ first->current_length,
+ vlib_buffer_get_current (second), amount_to_copy);
first->current_length += amount_to_copy;
vlib_buffer_advance (second, amount_to_copy);
if (first->flags & VLIB_BUFFER_TOTAL_LENGTH_VALID)
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