static inline int
vcl_mq_dequeue_batch (vcl_worker_t * wrk, svm_msg_q_t * mq, u32 n_max_msg)
{
- svm_msg_q_msg_t *msg;
- u32 n_msgs;
- int i;
+ u32 n_msgs = 0, sz, len;
- n_msgs = clib_min (svm_msg_q_size (mq), n_max_msg);
- for (i = 0; i < n_msgs; i++)
+ while ((sz = svm_msg_q_size (mq)))
{
- vec_add2 (wrk->mq_msg_vector, msg, 1);
- svm_msg_q_sub_w_lock (mq, msg);
+ len = vec_len (wrk->mq_msg_vector);
+ vec_validate (wrk->mq_msg_vector, len + sz - 1);
+ svm_msg_q_sub_raw_batch (mq, wrk->mq_msg_vector + len, sz);
+ n_msgs += sz;
}
return n_msgs;
}
return ret;
}
+int
+vcl_session_transport_attr (vcl_worker_t *wrk, vcl_session_t *s, u8 is_get,
+ transport_endpt_attr_t *attr)
+{
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ session_transport_attr_msg_t *mp;
+ svm_msg_q_t *mq;
+ f64 timeout;
+
+ ASSERT (!wrk->session_attr_op);
+ wrk->session_attr_op = 1;
+ wrk->session_attr_op_rv = -1;
+
+ mq = s->vpp_evt_q;
+ app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_TRANSPORT_ATTR);
+ mp = (session_transport_attr_msg_t *) app_evt->evt->data;
+ memset (mp, 0, sizeof (*mp));
+ mp->client_index = wrk->api_client_handle;
+ mp->handle = s->vpp_handle;
+ mp->is_get = is_get;
+ mp->attr = *attr;
+ app_send_ctrl_evt_to_vpp (mq, app_evt);
+
+ timeout = clib_time_now (&wrk->clib_time) + 1;
+
+ while (wrk->session_attr_op && clib_time_now (&wrk->clib_time) < timeout)
+ vcl_flush_mq_events ();
+
+ if (!wrk->session_attr_op_rv && is_get)
+ *attr = wrk->session_attr_rv;
+
+ wrk->session_attr_op = 0;
+
+ return wrk->session_attr_op_rv;
+}
+
static u32
vcl_session_accepted_handler (vcl_worker_t * wrk, session_accepted_msg_t * mp,
u32 ls_index)
return;
}
- fs_index = vcl_segment_table_lookup (mp->segment_handle);
- if (fs_index == VCL_INVALID_SEGMENT_INDEX)
+ /* Only validate if a value is provided */
+ if (mp->segment_handle != SESSION_INVALID_HANDLE)
{
- VDBG (0, "segment for session %u is not mounted!", s->session_index);
- s->session_state = VCL_STATE_DETACHED;
- return;
+ fs_index = vcl_segment_table_lookup (mp->segment_handle);
+ if (fs_index == VCL_INVALID_SEGMENT_INDEX)
+ {
+ VDBG (0, "segment %lx for session %u is not mounted!",
+ mp->segment_handle, s->session_index);
+ s->session_state = VCL_STATE_DETACHED;
+ return;
+ }
}
s->vpp_handle = mp->new_handle;
(vcm->wrk_rpc_fn) (((session_app_wrk_rpc_msg_t *) data)->data);
}
+static void
+vcl_session_transport_attr_reply_handler (vcl_worker_t *wrk, void *data)
+{
+ session_transport_attr_reply_msg_t *mp;
+
+ if (!wrk->session_attr_op)
+ return;
+
+ mp = (session_transport_attr_reply_msg_t *) data;
+
+ wrk->session_attr_op_rv = mp->retval;
+ wrk->session_attr_op = 0;
+ wrk->session_attr_rv = mp->attr;
+}
+
static int
vcl_handle_mq_event (vcl_worker_t * wrk, session_event_t * e)
{
case SESSION_CTRL_EVT_APP_WRK_RPC:
vcl_worker_rpc_handler (wrk, e->data);
break;
+ case SESSION_CTRL_EVT_TRANSPORT_ATTR_REPLY:
+ vcl_session_transport_attr_reply_handler (wrk, e->data);
+ break;
default:
clib_warning ("unhandled %u", e->event_type);
}
}
void
-vcl_flush_mq_events (void)
+vcl_worker_flush_mq_events (vcl_worker_t *wrk)
{
- vcl_worker_t *wrk = vcl_worker_get_current ();
svm_msg_q_msg_t *msg;
session_event_t *e;
svm_msg_q_t *mq;
int i;
mq = wrk->app_event_queue;
- svm_msg_q_lock (mq);
vcl_mq_dequeue_batch (wrk, mq, ~0);
- svm_msg_q_unlock (mq);
for (i = 0; i < vec_len (wrk->mq_msg_vector); i++)
{
vcl_handle_pending_wrk_updates (wrk);
}
+void
+vcl_flush_mq_events (void)
+{
+ vcl_worker_flush_mq_events (vcl_worker_get_current ());
+}
+
static int
vppcom_session_unbind (u32 session_handle)
{
*proto = VPPCOM_PROTO_QUIC;
else if (!strcmp (proto_str, "quic"))
*proto = VPPCOM_PROTO_QUIC;
+ else if (!strcmp (proto_str, "DTLS"))
+ *proto = VPPCOM_PROTO_DTLS;
+ else if (!strcmp (proto_str, "dtls"))
+ *proto = VPPCOM_PROTO_DTLS;
else
return 1;
return 0;
vcl_session_t *listen_session = 0;
vcl_session_t *client_session = 0;
vcl_session_msg_t *evt;
- svm_msg_q_msg_t msg;
- session_event_t *e;
u8 is_nonblocking;
int rv;
+again:
+
listen_session = vcl_session_get_w_handle (wrk, listen_session_handle);
if (!listen_session)
return VPPCOM_EBADFD;
if (svm_msg_q_is_empty (wrk->app_event_queue) && is_nonblocking)
return VPPCOM_EAGAIN;
- if (svm_msg_q_sub (wrk->app_event_queue, &msg, SVM_Q_WAIT, 0))
- return VPPCOM_EAGAIN;
-
- e = svm_msg_q_msg_data (wrk->app_event_queue, &msg);
- if (e->event_type != SESSION_CTRL_EVT_ACCEPTED)
- {
- vcl_handle_mq_event (wrk, e);
- svm_msg_q_free_msg (wrk->app_event_queue, &msg);
- continue;
- }
- clib_memcpy_fast (&accepted_msg, e->data, sizeof (accepted_msg));
- svm_msg_q_free_msg (wrk->app_event_queue, &msg);
- break;
+ svm_msg_q_wait (wrk->app_event_queue, SVM_MQ_WAIT_EMPTY);
+ vcl_worker_flush_mq_events (wrk);
+ goto again;
}
handle:
return rv;
}
-static u8
-vcl_is_rx_evt_for_session (session_event_t * e, u32 sid, u8 is_ct)
-{
- return (e->event_type == SESSION_IO_EVT_RX && e->session_index == sid);
-}
-
static inline int
vppcom_session_read_internal (uint32_t session_handle, void *buf, int n,
u8 peek)
int rv, n_read = 0, is_nonblocking;
vcl_session_t *s = 0;
svm_fifo_t *rx_fifo;
- svm_msg_q_msg_t msg;
session_event_t *e;
svm_msg_q_t *mq;
u8 is_ct;
if (is_ct)
svm_fifo_unset_event (s->rx_fifo);
svm_fifo_unset_event (rx_fifo);
- svm_msg_q_lock (mq);
- if (svm_msg_q_is_empty (mq))
- svm_msg_q_wait (mq);
-
- svm_msg_q_sub_w_lock (mq, &msg);
- e = svm_msg_q_msg_data (mq, &msg);
- svm_msg_q_unlock (mq);
- if (!vcl_is_rx_evt_for_session (e, s->session_index, is_ct))
- vcl_handle_mq_event (wrk, e);
- svm_msg_q_free_msg (mq, &msg);
+
+ svm_msg_q_wait (mq, SVM_MQ_WAIT_EMPTY);
+ vcl_worker_flush_mq_events (wrk);
}
}
int n_read = 0, is_nonblocking;
vcl_session_t *s = 0;
svm_fifo_t *rx_fifo;
- svm_msg_q_msg_t msg;
- session_event_t *e;
svm_msg_q_t *mq;
u8 is_ct;
if (is_ct)
svm_fifo_unset_event (s->rx_fifo);
svm_fifo_unset_event (rx_fifo);
- svm_msg_q_lock (mq);
- if (svm_msg_q_is_empty (mq))
- svm_msg_q_wait (mq);
-
- svm_msg_q_sub_w_lock (mq, &msg);
- e = svm_msg_q_msg_data (mq, &msg);
- svm_msg_q_unlock (mq);
- if (!vcl_is_rx_evt_for_session (e, s->session_index, is_ct))
- vcl_handle_mq_event (wrk, e);
- svm_msg_q_free_msg (mq, &msg);
+
+ svm_msg_q_wait (mq, SVM_MQ_WAIT_EMPTY);
+ vcl_worker_flush_mq_events (wrk);
}
}
s->rx_bytes_pending -= n_bytes;
}
-static u8
-vcl_is_tx_evt_for_session (session_event_t * e, u32 sid, u8 is_ct)
-{
- return (e->event_type == SESSION_IO_EVT_TX && e->session_index == sid);
-}
-
always_inline u8
vcl_fifo_is_writeable (svm_fifo_t * f, u32 len, u8 is_dgram)
{
{
int n_write, is_nonblocking;
session_evt_type_t et;
- svm_msg_q_msg_t msg;
svm_fifo_t *tx_fifo;
- session_event_t *e;
svm_msg_q_t *mq;
u8 is_ct;
svm_fifo_add_want_deq_ntf (tx_fifo, SVM_FIFO_WANT_DEQ_NOTIF);
if (vcl_session_is_closing (s))
return vcl_session_closing_error (s);
- svm_msg_q_lock (mq);
- if (svm_msg_q_is_empty (mq))
- svm_msg_q_wait (mq);
- svm_msg_q_sub_w_lock (mq, &msg);
- e = svm_msg_q_msg_data (mq, &msg);
- svm_msg_q_unlock (mq);
-
- if (!vcl_is_tx_evt_for_session (e, s->session_index, is_ct))
- vcl_handle_mq_event (wrk, e);
- svm_msg_q_free_msg (mq, &msg);
+ svm_msg_q_wait (mq, SVM_MQ_WAIT_EMPTY);
+ vcl_worker_flush_mq_events (wrk);
}
}
session_event_t *e;
u32 i;
- svm_msg_q_lock (mq);
if (svm_msg_q_is_empty (mq))
{
if (*bits_set)
- {
- svm_msg_q_unlock (mq);
- return 0;
- }
+ return 0;
if (!time_to_wait)
- {
- svm_msg_q_unlock (mq);
- return 0;
- }
+ return 0;
else if (time_to_wait < 0)
- {
- svm_msg_q_wait (mq);
- }
+ svm_msg_q_wait (mq, SVM_MQ_WAIT_EMPTY);
else
{
if (svm_msg_q_timedwait (mq, time_to_wait))
- {
- svm_msg_q_unlock (mq);
- return 0;
- }
+ return 0;
}
}
vcl_mq_dequeue_batch (wrk, mq, ~0);
- svm_msg_q_unlock (mq);
for (i = 0; i < vec_len (wrk->mq_msg_vector); i++)
{
s->vep.et_mask = VEP_DEFAULT_ET_MASK;
s->vep.ev = *event;
txf = vcl_session_is_ct (s) ? s->ct_tx_fifo : s->tx_fifo;
- if (event->events & EPOLLOUT)
- svm_fifo_add_want_deq_ntf (txf, SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL);
- else
- svm_fifo_del_want_deq_ntf (txf, SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL);
+ if (txf)
+ {
+ if (event->events & EPOLLOUT)
+ svm_fifo_add_want_deq_ntf (txf, SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL);
+ else
+ svm_fifo_del_want_deq_ntf (txf, SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL);
+ }
VDBG (1, "EPOLL_CTL_MOD: vep_sh %u, sh %u, events 0x%x, data 0x%llx!",
vep_handle, session_handle, event->events, event->data.u64);
break;
if (vec_len (wrk->mq_msg_vector) && svm_msg_q_is_empty (mq))
goto handle_dequeued;
- svm_msg_q_lock (mq);
if (svm_msg_q_is_empty (mq))
{
if (!wait_for_time)
- {
- svm_msg_q_unlock (mq);
- return 0;
- }
+ return 0;
else if (wait_for_time < 0)
- {
- svm_msg_q_wait (mq);
- }
+ svm_msg_q_wait (mq, SVM_MQ_WAIT_EMPTY);
else
{
if (svm_msg_q_timedwait (mq, wait_for_time / 1e3))
- {
- svm_msg_q_unlock (mq);
- return 0;
- }
+ return 0;
}
}
ASSERT (maxevents > *num_ev);
vcl_mq_dequeue_batch (wrk, mq, ~0);
- svm_msg_q_unlock (mq);
handle_dequeued:
for (i = 0; i < vec_len (wrk->mq_msg_vector); i++)
}
vec_reset_length (wrk->unhandled_evts_vector);
}
+ /* Request to only drain unhandled */
+ if ((int) wait_for_time == -2)
+ return n_evts;
if (vcm->cfg.use_mq_eventfd)
return vppcom_epoll_wait_eventfd (wrk, events, maxevents, n_evts,
vcl_worker_t *wrk = vcl_worker_get_current ();
u32 *flags = buffer, tmp_flags = 0;
vppcom_endpt_t *ep = buffer;
+ transport_endpt_attr_t tea;
vcl_session_t *session;
int rv = VPPCOM_OK;
break;
case VPPCOM_ATTR_GET_TCP_USER_MSS:
- if (buffer && buflen && (*buflen >= sizeof (u32)))
+ if (!(buffer && buflen && (*buflen >= sizeof (u32))))
{
- /* VPP-TBD */
- *(u32 *) buffer = session->user_mss;
- *buflen = sizeof (int);
+ rv = VPPCOM_EINVAL;
+ break;
+ }
- VDBG (2, "VPPCOM_ATTR_GET_TCP_USER_MSS: %d, buflen %d, #VPP-TBD#",
- *(int *) buffer, *buflen);
+ tea.type = TRANSPORT_ENDPT_ATTR_MSS;
+ tea.mss = *(u32 *) buffer;
+ if (vcl_session_transport_attr (wrk, session, 1 /* is_get */, &tea))
+ rv = VPPCOM_ENOPROTOOPT;
+
+ if (!rv)
+ {
+ *(u32 *) buffer = tea.mss;
+ *buflen = sizeof (int);
}
- else
- rv = VPPCOM_EINVAL;
+
+ VDBG (2, "VPPCOM_ATTR_GET_TCP_USER_MSS: %d, buflen %d", *(int *) buffer,
+ *buflen);
break;
case VPPCOM_ATTR_SET_TCP_USER_MSS:
- if (buffer && buflen && (*buflen == sizeof (u32)))
+ if (!(buffer && buflen && (*buflen == sizeof (u32))))
{
- /* VPP-TBD */
- session->user_mss = *(u32 *) buffer;
-
- VDBG (2, "VPPCOM_ATTR_SET_TCP_USER_MSS: %u, buflen %d, #VPP-TBD#",
- session->user_mss, *buflen);
+ rv = VPPCOM_EINVAL;
+ break;
}
- else
- rv = VPPCOM_EINVAL;
+
+ tea.type = TRANSPORT_ENDPT_ATTR_MSS;
+ tea.mss = *(u32 *) buffer;
+ if (vcl_session_transport_attr (wrk, session, 0 /* is_get */, &tea))
+ rv = VPPCOM_ENOPROTOOPT;
+
+ VDBG (2, "VPPCOM_ATTR_SET_TCP_USER_MSS: %u, buflen %d", tea.mss,
+ *buflen);
break;
case VPPCOM_ATTR_SET_SHUT:
*buflen = sizeof (u32);
break;
+ case VPPCOM_ATTR_GET_DOMAIN:
+ if (!(buffer && buflen && (*buflen >= sizeof (int))))
+ {
+ rv = VPPCOM_EINVAL;
+ break;
+ }
+
+ if (session->transport.is_ip4)
+ *(int *) buffer = AF_INET;
+ else
+ *(int *) buffer = AF_INET6;
+ *buflen = sizeof (int);
+
+ VDBG (2, "VPPCOM_ATTR_GET_DOMAIN: %d, buflen %u", *(int *) buffer,
+ *buflen);
+ break;
+
default:
rv = VPPCOM_EINVAL;
break;
case VPPCOM_PROTO_QUIC:
proto_str = "QUIC";
break;
+ case VPPCOM_PROTO_DTLS:
+ proto_str = "DTLS";
+ break;
default:
proto_str = "UNKNOWN";
break;