f64 timeout;
ASSERT (!wrk->session_attr_op);
+ mq = s->vpp_evt_q;
+ if (PREDICT_FALSE (!mq))
+ {
+ /* FIXME: attribute should be stored and sent once session is
+ * bound/connected to vpp */
+ return 0;
+ }
+
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));
format_session_error, mp->retval);
session->session_state = VCL_STATE_DETACHED;
session->vpp_handle = VCL_INVALID_SESSION_HANDLE;
+ session->vpp_error = mp->retval;
return session_index;
}
if (session->session_state != VCL_STATE_CLOSED)
session->session_state = VCL_STATE_DISCONNECT;
+
+ session->flags |= (VCL_SESSION_F_RD_SHUTDOWN | VCL_SESSION_F_WR_SHUTDOWN);
VDBG (0, "session %u [0x%llx]: reset", sid, reset_msg->handle);
return sid;
}
if (session->listener_index != VCL_INVALID_SESSION_INDEX)
{
listen_session = vcl_session_get (wrk, session->listener_index);
- listen_session->n_accepted_sessions--;
+ if (listen_session)
+ listen_session->n_accepted_sessions--;
}
return VPPCOM_OK;
{
s->flags |= VCL_SESSION_F_PENDING_DISCONNECT;
s->session_state = VCL_STATE_DISCONNECT;
+ s->flags |= (VCL_SESSION_F_RD_SHUTDOWN | VCL_SESSION_F_WR_SHUTDOWN);
vec_add2 (wrk->unhandled_evts_vector, ecpy, 1);
*ecpy = *e;
ecpy->postponed = 1;
return vcl_bapi_attach ();
}
+int
+vcl_is_first_reattach_to_execute ()
+{
+ if (vcm->reattach_count == 0)
+ return 1;
+
+ return 0;
+}
+
+void
+vcl_set_reattach_counter ()
+{
+ ++vcm->reattach_count;
+
+ if (vcm->reattach_count == vec_len (vcm->workers))
+ vcm->reattach_count = 0;
+}
+
+/**
+ * Reattach vcl to vpp after it has previously been disconnected.
+ *
+ * The logic should be:
+ * - first worker to hit `vcl_api_retry_attach` should attach to vpp,
+ * to reproduce the `vcl_api_attach` in `vppcom_app_create`.
+ * - the rest of the workers should `reproduce vcl_worker_register_with_vpp`
+ * from `vppcom_worker_register` since they were already allocated.
+ */
+
static void
vcl_api_retry_attach (vcl_worker_t *wrk)
{
vcl_session_t *s;
- if (vcl_api_attach ())
- return;
+ clib_spinlock_lock (&vcm->workers_lock);
+ if (vcl_is_first_reattach_to_execute ())
+ {
+ if (vcl_api_attach ())
+ {
+ clib_spinlock_unlock (&vcm->workers_lock);
+ return;
+ }
+ vcl_set_reattach_counter ();
+ clib_spinlock_unlock (&vcm->workers_lock);
+ }
+ else
+ {
+ vcl_set_reattach_counter ();
+ clib_spinlock_unlock (&vcm->workers_lock);
+ vcl_worker_register_with_vpp ();
+ }
/* Treat listeners as configuration that needs to be re-added to vpp */
pool_foreach (s, wrk->sessions)
session->session_state = VCL_STATE_CLOSED;
session->vpp_handle = ~0;
session->is_dgram = vcl_proto_is_dgram (proto);
+ session->vpp_error = SESSION_E_NONE;
if (is_nonblocking)
vcl_session_set_attr (session, VCL_SESS_ATTR_NONBLOCK);
}
always_inline int
-vppcom_session_write_inline (vcl_worker_t * wrk, vcl_session_t * s, void *buf,
+vppcom_session_write_inline (vcl_worker_t *wrk, vcl_session_t *s, void *buf,
size_t n, u8 is_flush, u8 is_dgram)
{
int n_write, is_nonblocking;
et = SESSION_IO_EVT_TX_FLUSH;
if (is_dgram)
- n_write = app_send_dgram_raw (tx_fifo, &s->transport,
- s->vpp_evt_q, buf, n, et,
- 0 /* do_evt */ , SVM_Q_WAIT);
+ n_write =
+ app_send_dgram_raw_gso (tx_fifo, &s->transport, s->vpp_evt_q, buf, n,
+ s->gso_size, et, 0 /* do_evt */, SVM_Q_WAIT);
else
n_write = app_send_stream_raw (tx_fifo, s->vpp_evt_q, buf, n, et,
0 /* do_evt */ , SVM_Q_WAIT);
if (PREDICT_FALSE (!s))
return VPPCOM_EBADFD;
- return vppcom_session_write_inline (wrk, s, buf, n,
- 0 /* is_flush */ , s->is_dgram ? 1 : 0);
+ return vppcom_session_write_inline (wrk, s, buf, n, 0 /* is_flush */,
+ s->is_dgram ? 1 : 0);
}
int
if (PREDICT_FALSE (!s))
return VPPCOM_EBADFD;
- return vppcom_session_write_inline (wrk, s, buf, n,
- 1 /* is_flush */ , s->is_dgram ? 1 : 0);
+ return vppcom_session_write_inline (wrk, s, buf, n, 1 /* is_flush */,
+ s->is_dgram ? 1 : 0);
}
#define vcl_fifo_rx_evt_valid_or_break(_s) \
/* Generate EPOLLOUT because there's no connected event */
if (!(EPOLLOUT & session_events))
break;
+ /* We didn't have a fifo when the event was added */
+ svm_fifo_add_want_deq_ntf (
+ (vcl_session_is_ct (s) ? s->ct_tx_fifo : s->tx_fifo),
+ SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL);
add_event = 1;
events[*num_ev].events = EPOLLOUT;
session_evt_data = s->vep.ev.data.u64;
}
session_events = s->vep.ev.events;
add_event = 1;
- events[*num_ev].events = EPOLLHUP | EPOLLRDHUP;
+ events[*num_ev].events = EPOLLERR | EPOLLHUP;
+ if ((EPOLLRDHUP & session_events) &&
+ (s->flags & VCL_SESSION_F_RD_SHUTDOWN))
+ {
+ events[*num_ev].events |= EPOLLRDHUP;
+ }
+ if ((EPOLLIN & session_events) && (s->flags & VCL_SESSION_F_RD_SHUTDOWN))
+ {
+ events[*num_ev].events |= EPOLLIN;
+ }
session_evt_data = s->vep.ev.data.u64;
break;
case SESSION_CTRL_EVT_UNLISTEN_REPLY:
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))))
{
clib_memcpy (session->ext_config->data, buffer, *buflen);
session->ext_config->len = *buflen;
break;
+ case VPPCOM_ATTR_SET_IP_PKTINFO:
+ if (buffer && buflen && (*buflen == sizeof (int)) &&
+ !vcl_session_has_attr (session, VCL_SESS_ATTR_IP_PKTINFO))
+ {
+ if (*(int *) buffer)
+ vcl_session_set_attr (session, VCL_SESS_ATTR_IP_PKTINFO);
+ else
+ vcl_session_clear_attr (session, VCL_SESS_ATTR_IP_PKTINFO);
+
+ VDBG (2, "VCL_SESS_ATTR_IP_PKTINFO: %d, buflen %d",
+ vcl_session_has_attr (session, VCL_SESS_ATTR_IP_PKTINFO),
+ *buflen);
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_GET_IP_PKTINFO:
+ if (buffer && buflen && (*buflen >= sizeof (int)))
+ {
+ *(int *) buffer =
+ vcl_session_has_attr (session, VCL_SESS_ATTR_IP_PKTINFO);
+ *buflen = sizeof (int);
+
+ VDBG (2, "VCL_SESS_ATTR_IP_PKTINFO: %d, buflen %d", *(int *) buffer,
+ *buflen);
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
default:
rv = VPPCOM_EINVAL;
return rv;
}
+static void
+vcl_handle_ep_app_tlvs (vcl_session_t *s, vppcom_endpt_t *ep)
+{
+ vppcom_endpt_tlv_t *tlv = ep->app_tlvs;
+
+ do
+ {
+ switch (tlv->data_type)
+ {
+ case VCL_UDP_SEGMENT:
+ s->gso_size = *(u16 *) tlv->data;
+ break;
+ case VCL_IP_PKTINFO:
+ clib_memcpy_fast (&s->transport.lcl_ip, (ip4_address_t *) tlv->data,
+ sizeof (ip4_address_t));
+ break;
+ default:
+ VDBG (0, "Ignorning unsupported app tlv %u", tlv->data_type);
+ break;
+ }
+ tlv = VCL_EP_NEXT_APP_TLV (ep, tlv);
+ }
+ while (tlv);
+}
+
int
vppcom_session_sendto (uint32_t session_handle, void *buffer,
uint32_t buflen, int flags, vppcom_endpt_t * ep)
s->transport.rmt_port = ep->port;
vcl_ip_copy_from_ep (&s->transport.rmt_ip, ep);
+ if (ep->app_tlvs)
+ vcl_handle_ep_app_tlvs (s, ep);
+
/* Session not connected/bound in vpp. Create it by 'connecting' it */
if (PREDICT_FALSE (s->session_state == VCL_STATE_CLOSED))
{
st = "VPPCOM_ETIMEDOUT";
break;
+ case VPPCOM_EADDRINUSE:
+ st = "VPPCOM_EADDRINUSE";
+ break;
+
default:
st = "UNKNOWN_STATE";
break;
return vcl_bapi_del_cert_key_pair (ckpair_index);
}
+int
+vppcom_session_get_error (uint32_t session_handle)
+{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+ vcl_session_t *session = 0;
+
+ session = vcl_session_get_w_handle (wrk, session_handle);
+ if (!session)
+ return VPPCOM_EBADFD;
+
+ if (PREDICT_FALSE (session->flags & VCL_SESSION_F_IS_VEP))
+ {
+ VWRN ("epoll session %u! will not have connect", session->session_index);
+ return VPPCOM_EBADFD;
+ }
+
+ if (session->vpp_error == SESSION_E_PORTINUSE)
+ return VPPCOM_EADDRINUSE;
+ else if (session->vpp_error == SESSION_E_REFUSED)
+ return VPPCOM_ECONNREFUSED;
+ else if (session->vpp_error != SESSION_E_NONE)
+ return VPPCOM_EFAULT;
+ else
+ return VPPCOM_OK;
+}
+
+int
+vppcom_worker_is_detached (void)
+{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+
+ if (!vcm->cfg.use_mq_eventfd)
+ return VPPCOM_ENOTSUP;
+
+ return wrk->api_client_handle == ~0;
+}
+
/*
* fd.io coding-style-patch-verification: ON
*
Code Review / vpp.git / blobdiff