/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Copyright (c) 2016-2019 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
format_ooo_list (u8 * s, va_list * args)
{
svm_fifo_t *f = va_arg (*args, svm_fifo_t *);
+ u32 indent = va_arg (*args, u32);
u32 ooo_segment_index = f->ooos_list_head;
ooo_segment_t *seg;
while (ooo_segment_index != OOO_SEGMENT_INVALID_INDEX)
{
seg = pool_elt_at_index (f->ooo_segments, ooo_segment_index);
- s = format (s, " %U\n", format_ooo_segment, f, seg);
+ s = format (s, "%U%U\n", format_white_space, indent, format_ooo_segment,
+ f, seg);
ooo_segment_index = seg->next;
}
{
svm_fifo_t *f = va_arg (*args, svm_fifo_t *);
int verbose = va_arg (*args, int);
+ u32 indent;
if (!s)
return s;
+ indent = format_get_indent (s);
s = format (s, "cursize %u nitems %u has_event %d\n",
f->cursize, f->nitems, f->has_event);
- s = format (s, " head %d tail %d segment manager %u\n", f->head, f->tail,
- f->segment_manager);
+ s = format (s, "%Uhead %d tail %d segment manager %u\n", format_white_space,
+ indent, f->head, f->tail, f->segment_manager);
if (verbose > 1)
- s = format
- (s, " vpp session %d thread %d app session %d thread %d\n",
- f->master_session_index, f->master_thread_index,
- f->client_session_index, f->client_thread_index);
+ s = format (s, "%Uvpp session %d thread %d app session %d thread %d\n",
+ format_white_space, indent, f->master_session_index,
+ f->master_thread_index, f->client_session_index,
+ f->client_thread_index);
if (verbose)
{
- s = format (s, " ooo pool %d active elts newest %u\n",
- pool_elts (f->ooo_segments), f->ooos_newest);
+ s = format (s, "%Uooo pool %d active elts newest %u\n",
+ format_white_space, indent, pool_elts (f->ooo_segments),
+ f->ooos_newest);
if (svm_fifo_has_ooo_data (f))
- s = format (s, " %U", format_ooo_list, f, verbose);
+ s = format (s, " %U", format_ooo_list, f, indent, verbose);
}
return s;
}
f->nitems = data_size_in_bytes;
f->ooos_list_head = OOO_SEGMENT_INVALID_INDEX;
f->ct_session_index = SVM_FIFO_INVALID_SESSION_INDEX;
+ f->segment_index = SVM_FIFO_INVALID_INDEX;
f->refcnt = 1;
return (f);
}
first_copy_bytes = ((nitems - f->tail) < total_copy_bytes)
? (nitems - f->tail) : total_copy_bytes;
- _clib_memcpy (&f->data[f->tail], copy_from_here, first_copy_bytes);
+ clib_memcpy_fast (&f->data[f->tail], copy_from_here, first_copy_bytes);
f->tail += first_copy_bytes;
f->tail = (f->tail == nitems) ? 0 : f->tail;
second_copy_bytes = total_copy_bytes - first_copy_bytes;
if (second_copy_bytes)
{
- _clib_memcpy (&f->data[f->tail], copy_from_here + first_copy_bytes,
- second_copy_bytes);
+ clib_memcpy_fast (&f->data[f->tail],
+ copy_from_here + first_copy_bytes,
+ second_copy_bytes);
f->tail += second_copy_bytes;
f->tail = (f->tail == nitems) ? 0 : f->tail;
}
/* Atomically increase the queue length */
ASSERT (cursize + total_copy_bytes <= nitems);
- clib_atomic_fetch_add (&f->cursize, total_copy_bytes);
+ clib_atomic_fetch_add_rel (&f->cursize, total_copy_bytes);
return (total_copy_bytes);
}
first_copy_bytes = ((nitems - normalized_offset) < total_copy_bytes)
? (nitems - normalized_offset) : total_copy_bytes;
- _clib_memcpy (&f->data[normalized_offset], copy_from_here,
- first_copy_bytes);
+ clib_memcpy_fast (&f->data[normalized_offset], copy_from_here,
+ first_copy_bytes);
/* Number of bytes in second copy segment, if any */
second_copy_bytes = total_copy_bytes - first_copy_bytes;
ASSERT (normalized_offset == 0);
- _clib_memcpy (&f->data[normalized_offset],
- copy_from_here + first_copy_bytes, second_copy_bytes);
+ clib_memcpy_fast (&f->data[normalized_offset],
+ copy_from_here + first_copy_bytes, second_copy_bytes);
}
return (0);
first_chunk = f->nitems - f->head;
ASSERT (len <= f->nitems);
if (len <= first_chunk)
- _clib_memcpy (&f->data[f->head], data, len);
+ clib_memcpy_fast (&f->data[f->head], data, len);
else
{
- _clib_memcpy (&f->data[f->head], data, first_chunk);
- _clib_memcpy (&f->data[0], data + first_chunk, len - first_chunk);
+ clib_memcpy_fast (&f->data[f->head], data, first_chunk);
+ clib_memcpy_fast (&f->data[0], data + first_chunk, len - first_chunk);
}
}
#endif
/* Number of bytes in first copy segment */
first_copy_bytes = ((nitems - f->head) < total_copy_bytes)
? (nitems - f->head) : total_copy_bytes;
- _clib_memcpy (copy_here, &f->data[f->head], first_copy_bytes);
+ clib_memcpy_fast (copy_here, &f->data[f->head], first_copy_bytes);
f->head += first_copy_bytes;
f->head = (f->head == nitems) ? 0 : f->head;
second_copy_bytes = total_copy_bytes - first_copy_bytes;
if (second_copy_bytes)
{
- _clib_memcpy (copy_here + first_copy_bytes,
- &f->data[f->head], second_copy_bytes);
+ clib_memcpy_fast (copy_here + first_copy_bytes,
+ &f->data[f->head], second_copy_bytes);
f->head += second_copy_bytes;
f->head = (f->head == nitems) ? 0 : f->head;
}
ASSERT (f->head <= nitems);
ASSERT (cursize >= total_copy_bytes);
- clib_atomic_fetch_sub (&f->cursize, total_copy_bytes);
+ clib_atomic_fetch_sub_rel (&f->cursize, total_copy_bytes);
return (total_copy_bytes);
}
first_copy_bytes =
((nitems - real_head) < total_copy_bytes) ?
(nitems - real_head) : total_copy_bytes;
- _clib_memcpy (copy_here, &f->data[real_head], first_copy_bytes);
+ clib_memcpy_fast (copy_here, &f->data[real_head], first_copy_bytes);
/* Number of bytes in second copy segment, if any */
second_copy_bytes = total_copy_bytes - first_copy_bytes;
if (second_copy_bytes)
{
- _clib_memcpy (copy_here + first_copy_bytes, &f->data[0],
- second_copy_bytes);
+ clib_memcpy_fast (copy_here + first_copy_bytes, &f->data[0],
+ second_copy_bytes);
}
}
return total_copy_bytes;
ASSERT (f->head <= nitems);
ASSERT (cursize >= total_drop_bytes);
- clib_atomic_fetch_sub (&f->cursize, total_drop_bytes);
+ clib_atomic_fetch_sub_rel (&f->cursize, total_drop_bytes);
return total_drop_bytes;
}
svm_fifo_dequeue_drop_all (svm_fifo_t * f)
{
f->head = f->tail;
- clib_atomic_fetch_sub (&f->cursize, f->cursize);
+ clib_atomic_fetch_sub_rel (&f->cursize, f->cursize);
}
int
f->head = (f->head + fs[0].len) % f->nitems;
total_drop_bytes = fs[0].len;
}
- clib_atomic_fetch_sub (&f->cursize, total_drop_bytes);
+ clib_atomic_fetch_sub_rel (&f->cursize, total_drop_bytes);
}
u32
f->head = f->tail = pointer % f->nitems;
}
+void
+svm_fifo_add_subscriber (svm_fifo_t * f, u8 subscriber)
+{
+ if (f->n_subscribers >= SVM_FIFO_MAX_EVT_SUBSCRIBERS)
+ return;
+ f->subscribers[f->n_subscribers++] = subscriber;
+}
+
+void
+svm_fifo_del_subscriber (svm_fifo_t * f, u8 subscriber)
+{
+ int i;
+
+ for (i = 0; i < f->n_subscribers; i++)
+ {
+ if (f->subscribers[i] != subscriber)
+ continue;
+ f->subscribers[i] = f->subscribers[f->n_subscribers - 1];
+ f->n_subscribers--;
+ break;
+ }
+}
+
#endif
/*
* fd.io coding-style-patch-verification: ON