#include <vlibmemory/vl_memory_api_h.h>
#undef vl_typedefs
+socket_main_t socket_main;
+
+#define DEBUG_MESSAGE_BUFFER_OVERRUN 0
+
static inline void *
vl_msg_api_alloc_internal (int nbytes, int pool, int may_return_null)
{
shmem_hdr = am->shmem_hdr;
+#if DEBUG_MESSAGE_BUFFER_OVERRUN > 0
+ nbytes += 4;
+#endif
+
+ ASSERT (pool == 0 || vlib_get_thread_index () == 0);
+
if (shmem_hdr == 0)
{
clib_warning ("shared memory header NULL");
pthread_mutex_unlock (&am->vlib_rp->mutex);
out:
+#if DEBUG_MESSAGE_BUFFER_OVERRUN > 0
+ {
+ nbytes -= 4;
+ u32 *overrun;
+ overrun = (u32 *) (rv->data + nbytes - sizeof (msgbuf_t));
+ *overrun = 0x1badbabe;
+ }
+#endif
rv->data_len = htonl (nbytes - sizeof (msgbuf_t));
+
return (rv->data);
}
{
rv->q = 0;
rv->gc_mark_timestamp = 0;
+#if DEBUG_MESSAGE_BUFFER_OVERRUN > 0
+ {
+ u32 *overrun;
+ overrun = (u32 *) (rv->data + ntohl (rv->data_len));
+ ASSERT (*overrun == 0x1badbabe);
+ }
+#endif
return;
}
pthread_mutex_lock (&am->vlib_rp->mutex);
oldheap = svm_push_data_heap (am->vlib_rp);
+
+#if DEBUG_MESSAGE_BUFFER_OVERRUN > 0
+ {
+ u32 *overrun;
+ overrun = (u32 *) (rv->data + ntohl (rv->data_len));
+ ASSERT (*overrun == 0x1badbabe);
+ }
+#endif
+
clib_mem_free (rv);
svm_pop_heap (oldheap);
pthread_mutex_unlock (&am->vlib_rp->mutex);
am->api_pvt_heap_size = size;
}
+static void
+vl_api_default_mem_config (vl_shmem_hdr_t * shmem_hdr)
+{
+ api_main_t *am = &api_main;
+ u32 vlib_input_queue_length;
+
+ /* vlib main input queue */
+ vlib_input_queue_length = 1024;
+ if (am->vlib_input_queue_length)
+ vlib_input_queue_length = am->vlib_input_queue_length;
+
+ shmem_hdr->vl_input_queue =
+ unix_shared_memory_queue_init (vlib_input_queue_length, sizeof (uword),
+ getpid (), am->vlib_signal);
+
+#define _(sz,n) \
+ do { \
+ ring_alloc_t _rp; \
+ _rp.rp = unix_shared_memory_queue_init ((n), (sz), 0, 0); \
+ _rp.size = (sz); \
+ _rp.nitems = n; \
+ _rp.hits = 0; \
+ _rp.misses = 0; \
+ vec_add1(shmem_hdr->vl_rings, _rp); \
+ } while (0);
+
+ foreach_vl_aring_size;
+#undef _
+
+#define _(sz,n) \
+ do { \
+ ring_alloc_t _rp; \
+ _rp.rp = unix_shared_memory_queue_init ((n), (sz), 0, 0); \
+ _rp.size = (sz); \
+ _rp.nitems = n; \
+ _rp.hits = 0; \
+ _rp.misses = 0; \
+ vec_add1(shmem_hdr->client_rings, _rp); \
+ } while (0);
+
+ foreach_clnt_aring_size;
+#undef _
+}
+
+void
+vl_api_mem_config (vl_shmem_hdr_t * hdr, vl_api_shm_elem_config_t * config)
+{
+ api_main_t *am = &api_main;
+ vl_api_shm_elem_config_t *c;
+ ring_alloc_t *rp;
+ u32 size;
+
+ if (!config)
+ {
+ vl_api_default_mem_config (hdr);
+ return;
+ }
+
+ vec_foreach (c, config)
+ {
+ switch (c->type)
+ {
+ case VL_API_QUEUE:
+ hdr->vl_input_queue = unix_shared_memory_queue_init (c->count,
+ c->size,
+ getpid (),
+ am->vlib_signal);
+ continue;
+ case VL_API_VLIB_RING:
+ vec_add2 (hdr->vl_rings, rp, 1);
+ break;
+ case VL_API_CLIENT_RING:
+ vec_add2 (hdr->client_rings, rp, 1);
+ break;
+ default:
+ clib_warning ("unknown config type: %d", c->type);
+ continue;
+ }
+
+ size = sizeof (ring_alloc_t) + c->size;
+ rp->rp = unix_shared_memory_queue_init (c->count, size, 0, 0);
+ rp->size = size;
+ rp->nitems = c->count;
+ rp->hits = 0;
+ rp->misses = 0;
+ }
+}
+
+void
+vl_init_shmem (svm_region_t * vlib_rp, vl_api_shm_elem_config_t * config,
+ int is_vlib, int is_private_region)
+{
+ api_main_t *am = &api_main;
+ vl_shmem_hdr_t *shmem_hdr = 0;
+ void *oldheap;
+ ASSERT (vlib_rp);
+
+ /* $$$$ need private region config parameters */
+
+ oldheap = svm_push_data_heap (vlib_rp);
+
+ vec_validate (shmem_hdr, 0);
+ shmem_hdr->version = VL_SHM_VERSION;
+
+ /* Set up the queue and msg ring allocator */
+ vl_api_mem_config (shmem_hdr, config);
+
+ if (is_private_region == 0)
+ {
+ am->shmem_hdr = shmem_hdr;
+ am->vlib_rp = vlib_rp;
+ am->our_pid = getpid ();
+ if (is_vlib)
+ am->shmem_hdr->vl_pid = am->our_pid;
+ }
+ else
+ shmem_hdr->vl_pid = am->our_pid;
+
+ svm_pop_heap (oldheap);
+
+ /*
+ * After absolutely everything that a client might see is set up,
+ * declare the shmem region valid
+ */
+ vlib_rp->user_ctx = shmem_hdr;
+
+ pthread_mutex_unlock (&vlib_rp->mutex);
+}
+
+
int
vl_map_shmem (const char *region_name, int is_vlib)
{
svm_map_region_args_t _a, *a = &_a;
svm_region_t *vlib_rp, *root_rp;
- void *oldheap;
- vl_shmem_hdr_t *shmem_hdr = 0;
api_main_t *am = &api_main;
int i, rv;
struct timespec ts, tsrem;
- u32 vlib_input_queue_length;
+ char *vpe_api_region_suffix = "-vpe-api";
memset (a, 0, sizeof (*a));
- if (strstr (region_name, "-vpe-api"))
+ if (strstr (region_name, vpe_api_region_suffix))
{
- char root_path[strlen (region_name)];
- strncpy (root_path, region_name, strlen (region_name) - 8);
- a->root_path = root_path;
- am->root_path = root_path;
+ u8 *root_path = format (0, "%s", region_name);
+ _vec_len (root_path) = (vec_len (root_path) -
+ strlen (vpe_api_region_suffix));
+ vec_terminate_c_string (root_path);
+ a->root_path = (const char *) root_path;
+ am->root_path = (const char *) root_path;
}
if (is_vlib == 0)
}
/* Nope, it's our problem... */
+ vl_init_shmem (vlib_rp, 0 /* default config */ , 1 /* is vlib */ ,
+ 0 /* is_private_region */ );
- oldheap = svm_push_data_heap (vlib_rp);
-
- vec_validate (shmem_hdr, 0);
- shmem_hdr->version = VL_SHM_VERSION;
-
- /* vlib main input queue */
- vlib_input_queue_length = 1024;
- if (am->vlib_input_queue_length)
- vlib_input_queue_length = am->vlib_input_queue_length;
-
- shmem_hdr->vl_input_queue =
- unix_shared_memory_queue_init (vlib_input_queue_length, sizeof (uword),
- getpid (), am->vlib_signal);
-
- /* Set up the msg ring allocator */
-#define _(sz,n) \
- do { \
- ring_alloc_t _rp; \
- _rp.rp = unix_shared_memory_queue_init ((n), (sz), 0, 0); \
- _rp.size = (sz); \
- _rp.nitems = n; \
- _rp.hits = 0; \
- _rp.misses = 0; \
- vec_add1(shmem_hdr->vl_rings, _rp); \
- } while (0);
-
- foreach_vl_aring_size;
-#undef _
-
-#define _(sz,n) \
- do { \
- ring_alloc_t _rp; \
- _rp.rp = unix_shared_memory_queue_init ((n), (sz), 0, 0); \
- _rp.size = (sz); \
- _rp.nitems = n; \
- _rp.hits = 0; \
- _rp.misses = 0; \
- vec_add1(shmem_hdr->client_rings, _rp); \
- } while (0);
-
- foreach_clnt_aring_size;
-#undef _
-
- am->shmem_hdr = shmem_hdr;
- am->vlib_rp = vlib_rp;
- am->our_pid = getpid ();
- if (is_vlib)
- am->shmem_hdr->vl_pid = am->our_pid;
-
- svm_pop_heap (oldheap);
-
- /*
- * After absolutely everything that a client might see is set up,
- * declare the shmem region valid
- */
- vlib_rp->user_ctx = shmem_hdr;
-
- pthread_mutex_unlock (&vlib_rp->mutex);
vec_add1 (am->mapped_shmem_regions, vlib_rp);
return 0;
}
vl_api_registration_t *
vl_api_client_index_to_registration (u32 index)
{
+ if (PREDICT_FALSE (socket_main.current_rp != 0))
+ return socket_main.current_rp;
+
return (vl_api_client_index_to_registration_internal (index));
}
Code Review / vpp.git / blobdiff