pool_put (vcm->workers, wrk);
}
-static void
-vcl_worker_cleanup (void *arg)
+void
+vcl_worker_cleanup (void)
{
vcl_worker_t *wrk = vcl_worker_get_current ();
- VDBG (0, "cleaning up worker %u", wrk->wrk_index);
+ clib_spinlock_lock (&vcm->workers_lock);
vcl_send_app_worker_add_del (0 /* is_add */ );
close (wrk->mqs_epfd);
hash_free (wrk->session_index_by_vpp_handles);
vec_free (wrk->mq_msg_vector);
vcl_set_worker_index (~0);
vcl_worker_free (wrk);
+ clib_spinlock_unlock (&vcm->workers_lock);
+ VDBG (0, "cleaned up worker %u", wrk->wrk_index);
+}
+
+static void
+vcl_worker_cleanup_cb (void *arg)
+{
+ vcl_worker_cleanup ();
}
vcl_worker_t *
clib_spinlock_lock (&vcm->workers_lock);
wrk = vcl_worker_alloc ();
vcl_set_worker_index (wrk->wrk_index);
+ wrk->thread_id = pthread_self ();
+ wrk->current_pid = getpid ();
wrk->mqs_epfd = -1;
if (vcm->cfg.use_mq_eventfd)
if (wrk->mqs_epfd < 0)
{
clib_unix_warning ("epoll_create() returned");
- return 0;
+ goto done;
}
}
vec_validate (wrk->mq_events, 64);
vec_validate (wrk->mq_msg_vector, 128);
vec_reset_length (wrk->mq_msg_vector);
+ vec_validate (wrk->unhandled_evts_vector, 128);
+ vec_reset_length (wrk->unhandled_evts_vector);
+ clib_spinlock_unlock (&vcm->workers_lock);
- if (wrk->wrk_index == 0)
- {
- clib_spinlock_unlock (&vcm->workers_lock);
- return wrk;
- }
+done:
+ return wrk;
+}
+
+int
+vcl_worker_register_with_vpp (void)
+{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+
+ clib_spinlock_lock (&vcm->workers_lock);
vcm->app_state = STATE_APP_ADDING_WORKER;
vcl_send_app_worker_add_del (1 /* is_add */ );
if (vcl_wait_for_app_state_change (STATE_APP_READY))
{
clib_warning ("failed to add worker to vpp");
- return 0;
+ return -1;
}
- if (pthread_key_create (&vcl_worker_stop_key, vcl_worker_cleanup))
+ if (pthread_key_create (&vcl_worker_stop_key, vcl_worker_cleanup_cb))
clib_warning ("failed to add pthread cleanup function");
if (pthread_setspecific (vcl_worker_stop_key, &wrk->thread_id))
clib_warning ("failed to setup key value");
- wrk->thread_id = pthread_self ();
clib_spinlock_unlock (&vcm->workers_lock);
VDBG (0, "added worker %u", wrk->wrk_index);
+ return 0;
+}
- return wrk;
+int
+vcl_worker_set_bapi (void)
+{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+ int i;
+
+ /* Find the first worker with the same pid */
+ for (i = 0; i < vec_len (vcm->workers); i++)
+ {
+ if (i == wrk->wrk_index)
+ continue;
+ if (vcm->workers[i].current_pid == wrk->current_pid)
+ {
+ wrk->vl_input_queue = vcm->workers[i].vl_input_queue;
+ wrk->my_client_index = vcm->workers[i].my_client_index;
+ return 0;
+ }
+ }
+ return -1;
+}
+
+vcl_shared_session_t *
+vcl_shared_session_alloc (void)
+{
+ vcl_shared_session_t *ss;
+ pool_get (vcm->shared_sessions, ss);
+ memset (ss, 0, sizeof (*ss));
+ ss->ss_index = ss - vcm->shared_sessions;
+ return ss;
+}
+
+vcl_shared_session_t *
+vcl_shared_session_get (u32 ss_index)
+{
+ if (pool_is_free_index (vcm->shared_sessions, ss_index))
+ return 0;
+ return pool_elt_at_index (vcm->shared_sessions, ss_index);
+}
+
+void
+vcl_shared_session_free (vcl_shared_session_t * ss)
+{
+ pool_put (vcm->shared_sessions, ss);
+}
+
+void
+vcl_worker_share_session (vcl_worker_t * parent, vcl_worker_t * wrk,
+ vcl_session_t * new_s)
+{
+ vcl_shared_session_t *ss;
+ vcl_session_t *s;
+
+ s = vcl_session_get (parent, new_s->session_index);
+ if (s->shared_index == ~0)
+ {
+ ss = vcl_shared_session_alloc ();
+ vec_add1 (ss->workers, parent->wrk_index);
+ s->shared_index = ss->ss_index;
+ }
+ else
+ {
+ ss = vcl_shared_session_get (s->shared_index);
+ }
+ new_s->shared_index = ss->ss_index;
+ vec_add1 (ss->workers, wrk->wrk_index);
+}
+
+int
+vcl_worker_unshare_session (vcl_worker_t * wrk, vcl_session_t * s)
+{
+ vcl_shared_session_t *ss;
+ int i;
+
+ ss = vcl_shared_session_get (s->shared_index);
+ for (i = 0; i < vec_len (ss->workers); i++)
+ {
+ if (ss->workers[i] == wrk->wrk_index)
+ {
+ vec_del1 (ss->workers, i);
+ break;
+ }
+ }
+
+ if (vec_len (ss->workers) == 0)
+ {
+ vcl_shared_session_free (ss);
+ return 1;
+ }
+
+ return 0;
+}
+
+void
+vcl_worker_share_sessions (u32 parent_wrk_index)
+{
+ vcl_worker_t *parent_wrk, *wrk;
+ vcl_session_t *new_s;
+
+ parent_wrk = vcl_worker_get (parent_wrk_index);
+ if (!parent_wrk->sessions)
+ return;
+
+ wrk = vcl_worker_get_current ();
+ wrk->sessions = pool_dup (parent_wrk->sessions);
+ wrk->session_index_by_vpp_handles =
+ hash_dup (parent_wrk->session_index_by_vpp_handles);
+
+ /* *INDENT-OFF* */
+ pool_foreach (new_s, wrk->sessions, ({
+ vcl_worker_share_session (parent_wrk, wrk, new_s);
+ }));
+ /* *INDENT-ON* */
+}
+
+int
+vcl_session_get_refcnt (vcl_session_t * s)
+{
+ vcl_shared_session_t *ss;
+ ss = vcl_shared_session_get (s->shared_index);
+ if (ss)
+ return vec_len (ss->workers);
+ return 0;
+}
+
+void
+vcl_segment_table_add (u64 segment_handle, u32 svm_segment_index)
+{
+ clib_rwlock_writer_lock (&vcm->segment_table_lock);
+ hash_set (vcm->segment_table, segment_handle, svm_segment_index);
+ clib_rwlock_writer_unlock (&vcm->segment_table_lock);
+}
+
+u32
+vcl_segment_table_lookup (u64 segment_handle)
+{
+ uword *seg_indexp;
+
+ clib_rwlock_reader_lock (&vcm->segment_table_lock);
+ seg_indexp = hash_get (vcm->segment_table, segment_handle);
+ clib_rwlock_reader_unlock (&vcm->segment_table_lock);
+
+ if (!seg_indexp)
+ return VCL_INVALID_SEGMENT_INDEX;
+ return ((u32) * seg_indexp);
+}
+
+void
+vcl_segment_table_del (u64 segment_handle)
+{
+ clib_rwlock_writer_lock (&vcm->segment_table_lock);
+ hash_unset (vcm->segment_table, segment_handle);
+ clib_rwlock_writer_unlock (&vcm->segment_table_lock);
}
/*
Code Review / vpp.git / blobdiff