#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_eal.h>
#include <rte_eal_memconfig.h>
#include <rte_per_lcore.h>
#include "rte_mempool.h"
-TAILQ_HEAD(rte_mempool_list, rte_mempool);
+TAILQ_HEAD(rte_mempool_list, rte_tailq_entry);
+
+static struct rte_tailq_elem rte_mempool_tailq = {
+ .name = "RTE_MEMPOOL",
+};
+EAL_REGISTER_TAILQ(rte_mempool_tailq)
#define CACHE_FLUSHTHRESH_MULTIPLIER 1.5
+#define CALC_CACHE_FLUSHTHRESH(c) \
+ ((typeof(c))((c) * CACHE_FLUSHTHRESH_MULTIPLIER))
/*
* return the greatest common divisor between a and b (fast algorithm)
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_list *mempool_list;
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;
- }
+ mempool_list = RTE_TAILQ_CAST(rte_mempool_tailq.head, rte_mempool_list);
/* asked cache too big */
- if (cache_size > RTE_MEMPOOL_CACHE_MAX_SIZE) {
+ if (cache_size > RTE_MEMPOOL_CACHE_MAX_SIZE ||
+ CALC_CACHE_FLUSHTHRESH(cache_size) > n) {
rte_errno = EINVAL;
return NULL;
}
* 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
* 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;
mp->header_size = objsz.header_size;
mp->trailer_size = objsz.trailer_size;
mp->cache_size = cache_size;
- mp->cache_flushthresh = (uint32_t)
- (cache_size * CACHE_FLUSHTHRESH_MULTIPLIER);
+ mp->cache_flushthresh = CALC_CACHE_FLUSHTHRESH(cache_size);
mp->private_data_size = private_data_size;
/* calculate address of the first element for continuous mempool. */
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_rwlock_write_lock(RTE_EAL_TAILQ_RWLOCK);
+ TAILQ_INSERT_TAIL(mempool_list, te, next);
+ rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK);
exit:
rte_rwlock_write_unlock(RTE_EAL_MEMPOOL_RWLOCK);
unsigned common_count;
unsigned cache_count;
+ RTE_VERIFY(f != NULL);
+ RTE_VERIFY(mp != NULL);
+
fprintf(f, "mempool <%s>@%p\n", mp->name, mp);
fprintf(f, " flags=%x\n", mp->flags);
fprintf(f, " ring=<%s>@%p\n", mp->ring->name, mp->ring);
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 =
- RTE_TAILQ_LOOKUP_BY_IDX(RTE_TAILQ_MEMPOOL, rte_mempool_list)) == NULL) {
- rte_errno = E_RTE_NO_TAILQ;
- return;
- }
+ mempool_list = RTE_TAILQ_CAST(rte_mempool_tailq.head, rte_mempool_list);
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 =
- RTE_TAILQ_LOOKUP_BY_IDX(RTE_TAILQ_MEMPOOL, rte_mempool_list)) == NULL) {
- rte_errno = E_RTE_NO_TAILQ;
- return NULL;
- }
+ mempool_list = RTE_TAILQ_CAST(rte_mempool_tailq.head, rte_mempool_list);
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_TAILQ_LOOKUP_BY_IDX(RTE_TAILQ_MEMPOOL, rte_mempool_list)) == NULL) {
- rte_errno = E_RTE_NO_TAILQ;
- return;
- }
+ mempool_list = RTE_TAILQ_CAST(rte_mempool_tailq.head, rte_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);