/*
- * Copyright (c) 2018 Cisco and/or its affiliates.
+ * Copyright (c) 2018-2019 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this
* You may obtain a copy of the License at:
if (vcm->app_state == STATE_APP_FAILED)
return VPPCOM_ECONNABORTED;
}
- VDBG (0, "VCL<%d>: timeout waiting for state %s (%d)", getpid (),
+ VDBG (0, "timeout waiting for state %s (%d)",
vppcom_app_state_str (app_state), app_state);
vcl_evt (VCL_EVT_SESSION_TIMEOUT, vcm, app_state);
return VPPCOM_ETIMEDOUT;
}
-vcl_cut_through_registration_t *
-vcl_ct_registration_lock_and_alloc (vcl_worker_t * wrk)
-{
- vcl_cut_through_registration_t *cr;
- clib_spinlock_lock (&wrk->ct_registration_lock);
- pool_get (wrk->cut_through_registrations, cr);
- memset (cr, 0, sizeof (*cr));
- cr->epoll_evt_conn_index = -1;
- return cr;
-}
-
-u32
-vcl_ct_registration_index (vcl_worker_t * wrk,
- vcl_cut_through_registration_t * ctr)
-{
- return (ctr - wrk->cut_through_registrations);
-}
-
-void
-vcl_ct_registration_lock (vcl_worker_t * wrk)
-{
- clib_spinlock_lock (&wrk->ct_registration_lock);
-}
-
-void
-vcl_ct_registration_unlock (vcl_worker_t * wrk)
-{
- clib_spinlock_unlock (&wrk->ct_registration_lock);
-}
-
-vcl_cut_through_registration_t *
-vcl_ct_registration_get (vcl_worker_t * wrk, u32 ctr_index)
-{
- if (pool_is_free_index (wrk->cut_through_registrations, ctr_index))
- return 0;
- return pool_elt_at_index (wrk->cut_through_registrations, ctr_index);
-}
-
-vcl_cut_through_registration_t *
-vcl_ct_registration_lock_and_lookup (vcl_worker_t * wrk, uword mq_addr)
-{
- uword *p;
- clib_spinlock_lock (&wrk->ct_registration_lock);
- p = hash_get (wrk->ct_registration_by_mq, mq_addr);
- if (!p)
- return 0;
- return vcl_ct_registration_get (wrk, p[0]);
-}
-
-void
-vcl_ct_registration_lookup_add (vcl_worker_t * wrk, uword mq_addr,
- u32 ctr_index)
-{
- hash_set (wrk->ct_registration_by_mq, mq_addr, ctr_index);
-}
-
-void
-vcl_ct_registration_lookup_del (vcl_worker_t * wrk, uword mq_addr)
-{
- hash_unset (wrk->ct_registration_by_mq, mq_addr);
-}
-
-void
-vcl_ct_registration_del (vcl_worker_t * wrk,
- vcl_cut_through_registration_t * ctr)
-{
- pool_put (wrk->cut_through_registrations, ctr);
-}
-
vcl_mq_evt_conn_t *
vcl_mq_evt_conn_alloc (vcl_worker_t * wrk)
{
e.data.u32 = mqc_index;
if (epoll_ctl (wrk->mqs_epfd, EPOLL_CTL_ADD, mq_fd, &e) < 0)
{
- clib_warning ("failed to add mq eventfd to mq epoll fd");
+ VDBG (0, "failed to add mq eventfd to mq epoll fd");
return -1;
}
mqc = vcl_mq_evt_conn_get (wrk, mqc_index);
if (epoll_ctl (wrk->mqs_epfd, EPOLL_CTL_DEL, mqc->mq_fd, 0) < 0)
{
- clib_warning ("failed to del mq eventfd to mq epoll fd");
+ VDBG (0, "failed to del mq eventfd to mq epoll fd");
return -1;
}
return 0;
clib_spinlock_lock (&vcm->workers_lock);
if (notify_vpp)
{
+ /* Notify vpp that the worker is going away */
if (wrk->wrk_index == vcl_get_worker_index ())
vcl_send_app_worker_add_del (0 /* is_add */ );
else
vcl_send_child_worker_del (wrk);
+
+ /* Disconnect the binary api */
+ if (vec_len (vcm->workers) == 1)
+ vppcom_disconnect_from_vpp ();
+ else
+ vl_client_send_disconnect (1 /* vpp should cleanup */ );
}
+
if (wrk->mqs_epfd > 0)
close (wrk->mqs_epfd);
hash_free (wrk->session_index_by_vpp_handles);
- hash_free (wrk->ct_registration_by_mq);
- clib_spinlock_free (&wrk->ct_registration_lock);
vec_free (wrk->mq_events);
vec_free (wrk->mq_msg_vector);
vcl_worker_free (wrk);
if (vcl_get_worker_index () != ~0)
return 0;
+ /* Use separate heap map entry for worker */
+ clib_mem_set_thread_index ();
+
if (pool_elts (vcm->workers) == vcm->cfg.max_workers)
{
VDBG (0, "max-workers %u limit reached", vcm->cfg.max_workers);
}
wrk->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
- wrk->ct_registration_by_mq = hash_create (0, sizeof (uword));
- clib_spinlock_init (&wrk->ct_registration_lock);
clib_time_init (&wrk->clib_time);
vec_validate (wrk->mq_events, 64);
vec_validate (wrk->mq_msg_vector, 128);
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");
+ VDBG (0, "failed to add worker to vpp");
return -1;
}
if (pthread_key_create (&vcl_worker_stop_key, vcl_worker_cleanup_cb))
- clib_warning ("failed to add pthread cleanup function");
+ VDBG (0, "failed to add pthread cleanup function");
if (pthread_setspecific (vcl_worker_stop_key, &wrk->thread_id))
- clib_warning ("failed to setup key value");
+ VDBG (0, "failed to setup key value");
clib_spinlock_unlock (&vcm->workers_lock);
return -1;
}
-vcl_shared_session_t *
-vcl_shared_session_alloc (void)
+svm_msg_q_t *
+vcl_worker_ctrl_mq (vcl_worker_t * wrk)
{
- 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);
+ return wrk->ctrl_mq;
}
void
-vcl_shared_session_free (vcl_shared_session_t * ss)
+vcl_cleanup_bapi (void)
{
- pool_put (vcm->shared_sessions, ss);
+ socket_client_main_t *scm = &socket_client_main;
+ api_main_t *am = vlibapi_get_main ();
+
+ am->my_client_index = ~0;
+ am->my_registration = 0;
+ am->vl_input_queue = 0;
+ am->msg_index_by_name_and_crc = 0;
+ scm->socket_fd = 0;
+
+ vl_client_api_unmap ();
}
-void
-vcl_worker_share_session (vcl_worker_t * parent, vcl_worker_t * wrk,
- vcl_session_t * new_s)
+int
+vcl_session_read_ready (vcl_session_t * session)
{
- vcl_shared_session_t *ss;
- vcl_session_t *s;
-
- s = vcl_session_get (parent, new_s->session_index);
- if (s->shared_index == ~0)
+ /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
+ if (PREDICT_FALSE (session->is_vep))
{
- ss = vcl_shared_session_alloc ();
- vec_add1 (ss->workers, parent->wrk_index);
- s->shared_index = ss->ss_index;
+ VDBG (0, "ERROR: session %u: cannot read from an epoll session!",
+ session->session_index);
+ return VPPCOM_EBADFD;
}
- else
+
+ if (PREDICT_FALSE (!(session->session_state & (STATE_OPEN | STATE_LISTEN))))
{
- ss = vcl_shared_session_get (s->shared_index);
+ vcl_session_state_t state = session->session_state;
+ int rv;
+
+ rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
+
+ VDBG (1, "session %u [0x%llx]: not open! state 0x%x (%s), ret %d (%s)",
+ session->session_index, session->vpp_handle, state,
+ vppcom_session_state_str (state), rv, vppcom_retval_str (rv));
+ return rv;
}
- new_s->shared_index = ss->ss_index;
- vec_add1 (ss->workers, wrk->wrk_index);
+
+ if (session->session_state & STATE_LISTEN)
+ return clib_fifo_elts (session->accept_evts_fifo);
+
+ if (vcl_session_is_ct (session))
+ return svm_fifo_max_dequeue_cons (session->ct_rx_fifo);
+
+ return svm_fifo_max_dequeue_cons (session->rx_fifo);
}
int
-vcl_worker_unshare_session (vcl_worker_t * wrk, vcl_session_t * s)
+vcl_session_write_ready (vcl_session_t * session)
{
- vcl_shared_session_t *ss;
- int i;
+ /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
+ if (PREDICT_FALSE (session->is_vep))
+ {
+ VDBG (0, "session %u [0x%llx]: cannot write to an epoll session!",
+ session->session_index, session->vpp_handle);
+ return VPPCOM_EBADFD;
+ }
- ss = vcl_shared_session_get (s->shared_index);
- for (i = 0; i < vec_len (ss->workers); i++)
+ if (PREDICT_FALSE (session->session_state & STATE_LISTEN))
{
- if (ss->workers[i] == wrk->wrk_index)
- {
- vec_del1 (ss->workers, i);
- break;
- }
+ if (session->tx_fifo)
+ return svm_fifo_max_enqueue_prod (session->tx_fifo);
+ else
+ return VPPCOM_EBADFD;
}
- if (vec_len (ss->workers) == 0)
+ if (PREDICT_FALSE (!(session->session_state & STATE_OPEN)))
{
- vcl_shared_session_free (ss);
- return 1;
+ vcl_session_state_t state = session->session_state;
+ int rv;
+
+ rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
+ VDBG (0, "session %u [0x%llx]: not open! state 0x%x (%s), ret %d (%s)",
+ session->session_index, session->vpp_handle, state,
+ vppcom_session_state_str (state), rv, vppcom_retval_str (rv));
+ return rv;
}
- return 0;
+ if (vcl_session_is_ct (session))
+ return svm_fifo_max_enqueue_prod (session->ct_tx_fifo);
+
+ return svm_fifo_max_enqueue_prod (session->tx_fifo);
}
-void
-vcl_worker_share_sessions (vcl_worker_t * parent_wrk)
+int
+vcl_segment_attach (u64 segment_handle, char *name, ssvm_segment_type_t type,
+ int fd)
{
- vcl_session_t *new_s;
- vcl_worker_t *wrk;
+ fifo_segment_create_args_t _a, *a = &_a;
+ int rv;
- if (!parent_wrk->sessions)
- return;
+ memset (a, 0, sizeof (*a));
+ a->segment_name = name;
+ a->segment_type = type;
- 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);
+ if (type == SSVM_SEGMENT_MEMFD)
+ a->memfd_fd = fd;
- /* *INDENT-OFF* */
- pool_foreach (new_s, wrk->sessions, ({
- vcl_worker_share_session (parent_wrk, wrk, new_s);
- }));
- /* *INDENT-ON* */
-}
+ clib_rwlock_writer_lock (&vcm->segment_table_lock);
-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;
-}
+ if ((rv = fifo_segment_attach (&vcm->segment_main, a)))
+ {
+ clib_warning ("svm_fifo_segment_attach ('%s') failed", name);
+ return rv;
+ }
+ hash_set (vcm->segment_table, segment_handle, a->new_segment_indices[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);
+
+ vec_reset_length (a->new_segment_indices);
+ return 0;
}
u32
}
void
-vcl_segment_table_del (u64 segment_handle)
+vcl_segment_detach (u64 segment_handle)
{
+ fifo_segment_main_t *sm = &vcm->segment_main;
+ fifo_segment_t *segment;
+ u32 segment_index;
+
+ segment_index = vcl_segment_table_lookup (segment_handle);
+ if (segment_index == (u32) ~ 0)
+ return;
+
clib_rwlock_writer_lock (&vcm->segment_table_lock);
+
+ segment = fifo_segment_get_segment (sm, segment_index);
+ fifo_segment_delete (sm, segment);
hash_unset (vcm->segment_table, segment_handle);
+
clib_rwlock_writer_unlock (&vcm->segment_table_lock);
+
+ VDBG (0, "detached segment %u handle %u", segment_index, segment_handle);
}
+
/*
* fd.io coding-style-patch-verification: ON
*
Code Review / vpp.git / blobdiff