/*-
* BSD LICENSE
- *
+ *
* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* All rights reserved.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
- *
+ *
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
- *
+ *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
#include <rte_debug.h>
#include <rte_memory.h>
#include <rte_memzone.h>
+#include <rte_malloc.h>
#include <rte_atomic.h>
#include <rte_launch.h>
#include <rte_tailq.h>
#include "rte_mempool.h"
-TAILQ_HEAD(rte_mempool_list, rte_mempool);
+TAILQ_HEAD(rte_mempool_list, rte_tailq_entry);
#define CACHE_FLUSHTHRESH_MULTIPLIER 1.5
nrank = 1;
/* process new object size */
- new_obj_size = (obj_size + CACHE_LINE_MASK) / CACHE_LINE_SIZE;
+ new_obj_size = (obj_size + RTE_CACHE_LINE_MASK) / RTE_CACHE_LINE_SIZE;
while (get_gcd(new_obj_size, nrank * nchan) != 1)
new_obj_size++;
- return new_obj_size * CACHE_LINE_SIZE;
+ return new_obj_size * RTE_CACHE_LINE_SIZE;
}
static void
#endif
if ((flags & MEMPOOL_F_NO_CACHE_ALIGN) == 0)
sz->header_size = RTE_ALIGN_CEIL(sz->header_size,
- CACHE_LINE_SIZE);
+ RTE_CACHE_LINE_SIZE);
/* trailer contains the cookie in debug mode */
sz->trailer_size = 0;
if ((flags & MEMPOOL_F_NO_CACHE_ALIGN) == 0) {
sz->total_size = sz->header_size + sz->elt_size +
sz->trailer_size;
- sz->trailer_size += ((CACHE_LINE_SIZE -
- (sz->total_size & CACHE_LINE_MASK)) &
- CACHE_LINE_MASK);
+ sz->trailer_size += ((RTE_CACHE_LINE_SIZE -
+ (sz->total_size & RTE_CACHE_LINE_MASK)) &
+ RTE_CACHE_LINE_MASK);
}
/*
char mz_name[RTE_MEMZONE_NAMESIZE];
char rg_name[RTE_RING_NAMESIZE];
struct rte_mempool *mp = NULL;
+ struct rte_tailq_entry *te;
struct rte_ring *r;
const struct rte_memzone *mz;
size_t mempool_size;
/* compilation-time checks */
RTE_BUILD_BUG_ON((sizeof(struct rte_mempool) &
- CACHE_LINE_MASK) != 0);
+ RTE_CACHE_LINE_MASK) != 0);
#if RTE_MEMPOOL_CACHE_MAX_SIZE > 0
RTE_BUILD_BUG_ON((sizeof(struct rte_mempool_cache) &
- CACHE_LINE_MASK) != 0);
+ RTE_CACHE_LINE_MASK) != 0);
RTE_BUILD_BUG_ON((offsetof(struct rte_mempool, local_cache) &
- CACHE_LINE_MASK) != 0);
+ RTE_CACHE_LINE_MASK) != 0);
#endif
#ifdef RTE_LIBRTE_MEMPOOL_DEBUG
RTE_BUILD_BUG_ON((sizeof(struct rte_mempool_debug_stats) &
- CACHE_LINE_MASK) != 0);
+ RTE_CACHE_LINE_MASK) != 0);
RTE_BUILD_BUG_ON((offsetof(struct rte_mempool, stats) &
- CACHE_LINE_MASK) != 0);
+ RTE_CACHE_LINE_MASK) != 0);
#endif
/* check that we have an initialised tail queue */
if (RTE_TAILQ_LOOKUP_BY_IDX(RTE_TAILQ_MEMPOOL,
rte_mempool_list) == NULL) {
rte_errno = E_RTE_NO_TAILQ;
- return NULL;
+ return NULL;
}
-
+
/* asked cache too big */
if (cache_size > RTE_MEMPOOL_CACHE_MAX_SIZE) {
rte_errno = EINVAL;
/* Ring functions will return appropriate errors if we are
* running as a secondary process etc., so no checks made
* in this function for that condition */
- rte_snprintf(rg_name, sizeof(rg_name), RTE_MEMPOOL_MZ_FORMAT, name);
+ snprintf(rg_name, sizeof(rg_name), RTE_MEMPOOL_MZ_FORMAT, name);
r = rte_ring_create(rg_name, rte_align32pow2(n+1), socket_id, rg_flags);
if (r == NULL)
goto exit;
* cache-aligned
*/
private_data_size = (private_data_size +
- CACHE_LINE_MASK) & (~CACHE_LINE_MASK);
+ RTE_CACHE_LINE_MASK) & (~RTE_CACHE_LINE_MASK);
if (! rte_eal_has_hugepages()) {
/*
}
}
+ /* try to allocate tailq entry */
+ te = rte_zmalloc("MEMPOOL_TAILQ_ENTRY", sizeof(*te), 0);
+ if (te == NULL) {
+ RTE_LOG(ERR, MEMPOOL, "Cannot allocate tailq entry!\n");
+ goto exit;
+ }
+
/*
- * If user provided an external memory buffer, then use it to
- * store mempool objects. Otherwise reserve memzone big enough to
- * hold mempool header and metadata plus mempool objects.
- */
+ * If user provided an external memory buffer, then use it to
+ * store mempool objects. Otherwise reserve memzone big enough to
+ * hold mempool header and metadata plus mempool objects.
+ */
mempool_size = MEMPOOL_HEADER_SIZE(mp, pg_num) + private_data_size;
if (vaddr == NULL)
mempool_size += (size_t)objsz.total_size * n;
-
+
if (! rte_eal_has_hugepages()) {
/*
* we want the memory pool to start on a page boundary,
mempool_size += page_size;
}
- rte_snprintf(mz_name, sizeof(mz_name), RTE_MEMPOOL_MZ_FORMAT, name);
+ snprintf(mz_name, sizeof(mz_name), RTE_MEMPOOL_MZ_FORMAT, name);
mz = rte_memzone_reserve(mz_name, mempool_size, socket_id, mz_flags);
* no more memory: in this case we loose previously reserved
* space for the as we cannot free it
*/
- if (mz == NULL)
+ if (mz == NULL) {
+ rte_free(te);
goto exit;
+ }
if (rte_eal_has_hugepages()) {
startaddr = (void*)mz->addr;
/* init the mempool structure */
mp = startaddr;
memset(mp, 0, sizeof(*mp));
- rte_snprintf(mp->name, sizeof(mp->name), "%s", name);
+ snprintf(mp->name, sizeof(mp->name), "%s", name);
mp->phys_addr = mz->phys_addr;
mp->ring = r;
mp->size = n;
mempool_populate(mp, n, 1, obj_init, obj_init_arg);
- RTE_EAL_TAILQ_INSERT_TAIL(RTE_TAILQ_MEMPOOL, rte_mempool_list, mp);
+ te->data = (void *) mp;
+
+ RTE_EAL_TAILQ_INSERT_TAIL(RTE_TAILQ_MEMPOOL, rte_mempool_list, te);
exit:
rte_rwlock_write_unlock(RTE_EAL_MEMPOOL_RWLOCK);
} else if (arg.obj_end != mp->elt_va_end || arg.obj_num != mp->size) {
rte_panic("rte_mempool_obj_iter(mempool=%p, size=%u) "
"last callback va_end: %#tx (%#tx expeceted), "
- "num of objects: %u (%u expected)\n",
+ "num of objects: %u (%u expected)\n",
mp, mp->size,
arg.obj_end, mp->elt_va_end,
arg.obj_num, mp->size);
rte_mempool_list_dump(FILE *f)
{
const struct rte_mempool *mp = NULL;
+ struct rte_tailq_entry *te;
struct rte_mempool_list *mempool_list;
- if ((mempool_list =
+ if ((mempool_list =
RTE_TAILQ_LOOKUP_BY_IDX(RTE_TAILQ_MEMPOOL, rte_mempool_list)) == NULL) {
rte_errno = E_RTE_NO_TAILQ;
- return;
+ return;
}
rte_rwlock_read_lock(RTE_EAL_MEMPOOL_RWLOCK);
- TAILQ_FOREACH(mp, mempool_list, next) {
+ TAILQ_FOREACH(te, mempool_list, next) {
+ mp = (struct rte_mempool *) te->data;
rte_mempool_dump(f, mp);
}
rte_mempool_lookup(const char *name)
{
struct rte_mempool *mp = NULL;
+ struct rte_tailq_entry *te;
struct rte_mempool_list *mempool_list;
- if ((mempool_list =
+ if ((mempool_list =
RTE_TAILQ_LOOKUP_BY_IDX(RTE_TAILQ_MEMPOOL, rte_mempool_list)) == NULL) {
rte_errno = E_RTE_NO_TAILQ;
return NULL;
rte_rwlock_read_lock(RTE_EAL_MEMPOOL_RWLOCK);
- TAILQ_FOREACH(mp, mempool_list, next) {
+ TAILQ_FOREACH(te, mempool_list, next) {
+ mp = (struct rte_mempool *) te->data;
if (strncmp(name, mp->name, RTE_MEMPOOL_NAMESIZE) == 0)
break;
}
-
+
rte_rwlock_read_unlock(RTE_EAL_MEMPOOL_RWLOCK);
-
- if (mp == NULL)
+
+ if (te == NULL) {
rte_errno = ENOENT;
+ return NULL;
+ }
return mp;
}
void rte_mempool_walk(void (*func)(const struct rte_mempool *, void *),
void *arg)
{
- struct rte_mempool *mp = NULL;
+ struct rte_tailq_entry *te = NULL;
struct rte_mempool_list *mempool_list;
if ((mempool_list =
rte_rwlock_read_lock(RTE_EAL_MEMPOOL_RWLOCK);
- TAILQ_FOREACH(mp, mempool_list, next) {
- (*func)(mp, arg);
+ TAILQ_FOREACH(te, mempool_list, next) {
+ (*func)((struct rte_mempool *) te->data, arg);
}
rte_rwlock_read_unlock(RTE_EAL_MEMPOOL_RWLOCK);
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