* VPPCOM Utility Functions
*/
+static void
+vcl_msg_add_ext_config (vcl_session_t *s, uword *offset)
+{
+ svm_fifo_chunk_t *c;
+
+ c = vcl_segment_alloc_chunk (vcl_vpp_worker_segment_handle (0),
+ 0 /* one slice only */, s->ext_config->len,
+ offset);
+ if (c)
+ clib_memcpy_fast (c->data, s->ext_config, s->ext_config->len);
+}
+
static void
vcl_send_session_listen (vcl_worker_t * wrk, vcl_session_t * s)
{
clib_memcpy_fast (&mp->ip, &s->transport.lcl_ip, sizeof (mp->ip));
mp->port = s->transport.lcl_port;
mp->proto = s->session_type;
- mp->ckpair_index = s->ckpair_index;
mp->vrf = s->vrf;
if (s->flags & VCL_SESSION_F_CONNECTED)
mp->flags = TRANSPORT_CFG_F_CONNECTED;
+ if (s->ext_config)
+ vcl_msg_add_ext_config (s, &mp->ext_config);
app_send_ctrl_evt_to_vpp (mq, app_evt);
+ if (s->ext_config)
+ {
+ clib_mem_free (s->ext_config);
+ s->ext_config = 0;
+ }
}
static void
mp->port = s->transport.rmt_port;
mp->lcl_port = s->transport.lcl_port;
mp->proto = s->session_type;
- mp->ckpair_index = s->ckpair_index;
mp->vrf = s->vrf;
if (s->flags & VCL_SESSION_F_CONNECTED)
mp->flags |= TRANSPORT_CFG_F_CONNECTED;
+ if (s->ext_config)
+ vcl_msg_add_ext_config (s, &mp->ext_config);
app_send_ctrl_evt_to_vpp (mq, app_evt);
+
+ if (s->ext_config)
+ {
+ clib_mem_free (s->ext_config);
+ s->ext_config = 0;
+ }
}
void
app_send_ctrl_evt_to_vpp (mq, app_evt);
}
+static void
+vcl_send_session_shutdown (vcl_worker_t *wrk, vcl_session_t *s)
+{
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ session_shutdown_msg_t *mp;
+ svm_msg_q_t *mq;
+
+ /* Send to thread that owns the session */
+ mq = s->vpp_evt_q;
+ app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_SHUTDOWN);
+ mp = (session_shutdown_msg_t *) app_evt->evt->data;
+ memset (mp, 0, sizeof (*mp));
+ mp->client_index = wrk->api_client_handle;
+ mp->handle = s->vpp_handle;
+ app_send_ctrl_evt_to_vpp (mq, app_evt);
+}
+
static void
vcl_send_session_disconnect (vcl_worker_t * wrk, vcl_session_t * s)
{
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)
sizeof (ip46_address_t));
vcl_session_table_add_vpp_handle (wrk, mp->handle, session->session_index);
- session->transport.lcl_port = listen_session->transport.lcl_port;
- session->transport.lcl_ip = listen_session->transport.lcl_ip;
+ session->transport.lcl_port = mp->lcl.port;
+ session->transport.lcl_ip = mp->lcl.ip;
session->session_type = listen_session->session_type;
session->is_dgram = vcl_proto_is_dgram (session->session_type);
session->listener_index = listen_session->session_index;
return session;
}
+int
+vppcom_session_shutdown (uint32_t session_handle)
+{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+ vcl_session_t *session;
+ vcl_session_state_t state;
+ u64 vpp_handle;
+
+ session = vcl_session_get_w_handle (wrk, session_handle);
+ if (PREDICT_FALSE (!session))
+ return VPPCOM_EBADFD;
+
+ vpp_handle = session->vpp_handle;
+ state = session->session_state;
+
+ VDBG (1, "session %u [0x%llx] state 0x%x (%s)", session->session_index,
+ vpp_handle, state, vppcom_session_state_str (state));
+
+ if (PREDICT_FALSE (state == VCL_STATE_LISTEN))
+ {
+ VDBG (0, "ERROR: Cannot shutdown a listen socket!");
+ return VPPCOM_EBADFD;
+ }
+
+ if (PREDICT_TRUE (state == VCL_STATE_READY))
+ {
+ VDBG (1, "session %u [0x%llx]: sending shutdown...",
+ session->session_index, vpp_handle);
+
+ vcl_send_session_shutdown (wrk, session);
+ session->flags |= VCL_SESSION_F_SHUTDOWN;
+ }
+
+ return VPPCOM_OK;
+}
+
static int
vppcom_session_disconnect (u32 session_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);
}
session->session_type = proto;
session->session_state = VCL_STATE_CLOSED;
session->vpp_handle = ~0;
- session->ckpair_index = ~0;
session->is_dgram = vcl_proto_is_dgram (proto);
if (is_nonblocking)
*proto = VPPCOM_PROTO_DTLS;
else if (!strcmp (proto_str, "dtls"))
*proto = VPPCOM_PROTO_DTLS;
+ else if (!strcmp (proto_str, "SRTP"))
+ *proto = VPPCOM_PROTO_SRTP;
+ else if (!strcmp (proto_str, "srtp"))
+ *proto = VPPCOM_PROTO_SRTP;
else
return 1;
return 0;
return VPPCOM_EBADFD;
}
- if (PREDICT_FALSE (!vcl_session_is_open (s)))
+ if (PREDICT_FALSE (!vcl_session_is_open (s) ||
+ s->flags & VCL_SESSION_F_SHUTDOWN))
{
VDBG (1, "session %u [0x%llx]: is not open! state 0x%x (%s)",
s->session_index, s->vpp_handle, s->session_state,
VDBG (0, "EPOLL_CTL_ADD: NULL pointer to epoll_event structure!");
return VPPCOM_EINVAL;
}
+ if (s->flags & VCL_SESSION_F_IS_VEP_SESSION)
+ {
+ VDBG (0, "EPOLL_CTL_ADD: %u already epolled!", s->session_index);
+ rv = VPPCOM_EEXIST;
+ goto done;
+ }
if (vep_session->vep.next_sh != ~0)
{
vcl_session_t *next_session;
else if (PREDICT_FALSE (!(s->flags & VCL_SESSION_F_IS_VEP_SESSION)))
{
VDBG (0, "sh %u EPOLL_CTL_MOD: not a vep session!", session_handle);
- rv = VPPCOM_EINVAL;
+ rv = VPPCOM_ENOENT;
goto done;
}
else if (PREDICT_FALSE (s->vep.vep_sh != vep_handle))
goto done;
}
- /* Generate EPOLLOUT when tx_fifo/ct_tx_fifo not full */
- if ((event->events & EPOLLOUT) &&
- !(s->vep.ev.events & EPOLLOUT) && (vcl_session_write_ready (s) > 0))
+ /* Generate EPOLLOUT if session write ready nd event was not on */
+ if ((event->events & EPOLLOUT) && !(s->vep.ev.events & EPOLLOUT) &&
+ (vcl_session_write_ready (s) > 0))
{
session_event_t e = { 0 };
e.event_type = SESSION_IO_EVT_TX;
e.session_index = s->session_index;
vec_add1 (wrk->unhandled_evts_vector, e);
}
+ /* Generate EPOLLIN if session read ready and event was not on */
+ if ((event->events & EPOLLIN) && !(s->vep.ev.events & EPOLLIN) &&
+ (vcl_session_read_ready (s) > 0))
+ {
+ session_event_t e = { 0 };
+ e.event_type = SESSION_IO_EVT_RX;
+ e.session_index = s->session_index;
+ vec_add1 (wrk->unhandled_evts_vector, e);
+ }
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 (PREDICT_FALSE (!(s->flags & VCL_SESSION_F_IS_VEP_SESSION)))
{
VDBG (0, "EPOLL_CTL_DEL: %u not a vep session!", session_handle);
- rv = VPPCOM_EINVAL;
+ rv = VPPCOM_ENOENT;
goto done;
}
else if (PREDICT_FALSE (s->vep.vep_sh != vep_handle))
}
static int
-vppcom_epoll_wait_condvar (vcl_worker_t * wrk, struct epoll_event *events,
- int maxevents, u32 n_evts, double wait_for_time)
+vppcom_epoll_wait_condvar (vcl_worker_t *wrk, struct epoll_event *events,
+ int maxevents, u32 n_evts, double timeout_ms)
{
- double wait = 0, start = 0, now;
+ double end = -1;
if (!n_evts)
{
- wait = wait_for_time;
- start = clib_time_now (&wrk->clib_time);
+ if (timeout_ms > 0)
+ end = clib_time_now (&wrk->clib_time) + (timeout_ms / 1e3);
}
do
{
vcl_epoll_wait_handle_mq (wrk, wrk->app_event_queue, events, maxevents,
- wait, &n_evts);
- if (n_evts)
+ timeout_ms, &n_evts);
+ if (n_evts || !timeout_ms)
return n_evts;
- if (wait == -1)
- continue;
-
- now = clib_time_now (&wrk->clib_time);
- wait -= (now - start) * 1e3;
- start = now;
}
- while (wait > 0);
+ while (end == -1 || clib_time_now (&wrk->clib_time) < end);
return 0;
}
static int
-vppcom_epoll_wait_eventfd (vcl_worker_t * wrk, struct epoll_event *events,
- int maxevents, u32 n_evts, double wait_for_time)
+vppcom_epoll_wait_eventfd (vcl_worker_t *wrk, struct epoll_event *events,
+ int maxevents, u32 n_evts, double timeout_ms)
{
- double wait = 0, start = 0, now;
int __clib_unused n_read;
vcl_mq_evt_conn_t *mqc;
int n_mq_evts, i;
+ double end = -1;
u64 buf;
vec_validate (wrk->mq_events, pool_elts (wrk->mq_evt_conns));
if (!n_evts)
{
- wait = wait_for_time;
- start = clib_time_now (&wrk->clib_time);
+ if (timeout_ms > 0)
+ end = clib_time_now (&wrk->clib_time) + (timeout_ms / 1e3);
}
do
{
n_mq_evts = epoll_wait (wrk->mqs_epfd, wrk->mq_events,
- vec_len (wrk->mq_events), wait);
+ vec_len (wrk->mq_events), timeout_ms);
if (n_mq_evts < 0)
{
VDBG (0, "epoll_wait error %u", errno);
&n_evts);
}
- if (n_evts)
+ if (n_evts || !timeout_ms)
return n_evts;
- if (wait == -1)
- continue;
-
- now = clib_time_now (&wrk->clib_time);
- wait -= (now - start) * 1e3;
- start = now;
}
- while (wait > 0);
+ while (end == -1 || clib_time_now (&wrk->clib_time) < end);
return 0;
}
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:
rv = VPPCOM_EINVAL;
break;
}
- session->ckpair_index = *(uint32_t *) buffer;
+ if (!session->ext_config)
+ {
+ vcl_session_alloc_ext_cfg (session, TRANSPORT_ENDPT_EXT_CFG_CRYPTO,
+ sizeof (transport_endpt_ext_cfg_t));
+ }
+ else if (session->ext_config->type != TRANSPORT_ENDPT_EXT_CFG_CRYPTO)
+ {
+ rv = VPPCOM_EINVAL;
+ break;
+ }
+
+ session->ext_config->crypto.ckpair_index = *(uint32_t *) buffer;
break;
case VPPCOM_ATTR_SET_VRF:
*buflen);
break;
+ case VPPCOM_ATTR_SET_ENDPT_EXT_CFG:
+ if (!(buffer && buflen && (*buflen > 0)))
+ {
+ rv = VPPCOM_EINVAL;
+ break;
+ }
+ if (session->ext_config)
+ {
+ rv = VPPCOM_EINVAL;
+ break;
+ }
+ vcl_session_alloc_ext_cfg (session, TRANSPORT_ENDPT_EXT_CFG_NONE,
+ *buflen + sizeof (u32));
+ clib_memcpy (session->ext_config->data, buffer, *buflen);
+ session->ext_config->len = *buflen;
+ break;
+
default:
rv = VPPCOM_EINVAL;
break;
case VPPCOM_PROTO_DTLS:
proto_str = "DTLS";
break;
+ case VPPCOM_PROTO_SRTP:
+ proto_str = "SRTP";
+ break;
default:
proto_str = "UNKNOWN";
break;