clib_memset (a, 0, sizeof (*a));
a->sep.is_ip4 = mp->is_ip4;
- clib_memcpy_fast (&a->sep.ip, &mp->ip, sizeof (mp->ip));
- if (mp->is_ip4)
- ip46_address_mask_ip4 (&a->sep.ip);
+ ip_copy (&a->sep.ip, &mp->ip, mp->is_ip4);
a->sep.port = mp->port;
a->sep.fib_index = mp->vrf;
a->sep.sw_if_index = ENDPOINT_INVALID_INDEX;
a->sep_ext.crypto_engine = mp->crypto_engine;
a->app_index = app->app_index;
a->wrk_map_index = mp->wrk_index;
+ a->sep_ext.transport_flags = mp->flags;
if ((rv = vnet_listen (a)))
- clib_warning ("listen returned: %d", rv);
+ clib_warning ("listen returned: %U", format_session_error, rv);
app_wrk = application_get_worker (app, mp->wrk_index);
mq_send_session_bound_cb (app_wrk->wrk_index, mp->context, a->handle, rv);
evt->event_type = SESSION_CTRL_EVT_WORKER_UPDATE_REPLY;
rmp = (session_worker_update_reply_msg_t *) evt->data;
rmp->handle = mp->handle;
- rmp->rx_fifo = pointer_to_uword (s->rx_fifo);
- rmp->tx_fifo = pointer_to_uword (s->tx_fifo);
+ if (s->rx_fifo)
+ rmp->rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
+ if (s->tx_fifo)
+ rmp->tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
rmp->segment_handle = session_segment_handle (s);
svm_msg_q_add_and_unlock (app_wrk->event_queue, msg);
app_worker_close_notify (app_wrk, s);
}
+static void
+session_mq_app_wrk_rpc_handler (void *data)
+{
+ session_app_wrk_rpc_msg_t *mp = (session_app_wrk_rpc_msg_t *) data;
+ svm_msg_q_msg_t _msg, *msg = &_msg;
+ session_app_wrk_rpc_msg_t *rmp;
+ app_worker_t *app_wrk;
+ session_event_t *evt;
+ application_t *app;
+
+ app = application_lookup (mp->client_index);
+ if (!app)
+ return;
+
+ app_wrk = application_get_worker (app, mp->wrk_index);
+
+ svm_msg_q_lock_and_alloc_msg_w_ring (app_wrk->event_queue,
+ SESSION_MQ_CTRL_EVT_RING, SVM_Q_WAIT,
+ msg);
+ evt = svm_msg_q_msg_data (app_wrk->event_queue, msg);
+ clib_memset (evt, 0, sizeof (*evt));
+ evt->event_type = SESSION_CTRL_EVT_APP_WRK_RPC;
+ rmp = (session_app_wrk_rpc_msg_t *) evt->data;
+ clib_memcpy (rmp->data, mp->data, sizeof (mp->data));
+ svm_msg_q_add_and_unlock (app_wrk->event_queue, msg);
+}
+
vlib_node_registration_t session_queue_node;
typedef struct
u32 next_index, u32 * to_next, u16 n_segs,
session_t * s, u32 n_trace)
{
- session_queue_trace_t *t;
- vlib_buffer_t *b;
- int i;
-
- for (i = 0; i < clib_min (n_trace, n_segs); i++)
+ while (n_trace && n_segs)
{
- b = vlib_get_buffer (vm, to_next[i]);
- vlib_trace_buffer (vm, node, next_index, b, 1 /* follow_chain */ );
- t = vlib_add_trace (vm, node, b, sizeof (*t));
- t->session_index = s->session_index;
- t->server_thread_index = s->thread_index;
+ vlib_buffer_t *b = vlib_get_buffer (vm, to_next[0]);
+ if (PREDICT_TRUE
+ (vlib_trace_buffer
+ (vm, node, next_index, b, 1 /* follow_chain */ )))
+ {
+ session_queue_trace_t *t =
+ vlib_add_trace (vm, node, b, sizeof (*t));
+ t->session_index = s->session_index;
+ t->server_thread_index = s->thread_index;
+ n_trace--;
+ }
+ to_next++;
+ n_segs--;
}
- vlib_set_trace_count (vm, node, n_trace - i);
+ vlib_set_trace_count (vm, node, n_trace);
}
always_inline void
svm_fifo_t *f = ctx->s->tx_fifo;
session_dgram_hdr_t *hdr = &ctx->hdr;
u16 deq_now;
+ u32 offset;
+
deq_now = clib_min (hdr->data_length - hdr->data_offset,
len_to_deq);
- n_bytes_read = svm_fifo_peek (f, hdr->data_offset, deq_now,
- data);
+ offset = hdr->data_offset + SESSION_CONN_HDR_LEN;
+ n_bytes_read = svm_fifo_peek (f, offset, deq_now, data);
ASSERT (n_bytes_read > 0);
hdr->data_offset += n_bytes_read;
if (hdr->data_offset == hdr->data_length)
{
- u32 offset = hdr->data_length + SESSION_CONN_HDR_LEN;
+ offset = hdr->data_length + SESSION_CONN_HDR_LEN;
svm_fifo_dequeue_drop (f, offset);
+ if (ctx->left_to_snd > n_bytes_read)
+ svm_fifo_peek (ctx->s->tx_fifo, 0, sizeof (ctx->hdr),
+ (u8 *) & ctx->hdr);
}
+ else if (ctx->left_to_snd == n_bytes_read)
+ svm_fifo_overwrite_head (ctx->s->tx_fifo, (u8 *) & ctx->hdr,
+ sizeof (session_dgram_pre_hdr_t));
}
else
n_bytes_read = svm_fifo_dequeue (ctx->s->tx_fifo,
{
offset = hdr->data_length + SESSION_CONN_HDR_LEN;
svm_fifo_dequeue_drop (f, offset);
+ if (ctx->left_to_snd > n_bytes_read)
+ svm_fifo_peek (ctx->s->tx_fifo, 0, sizeof (ctx->hdr),
+ (u8 *) & ctx->hdr);
}
+ else if (ctx->left_to_snd == n_bytes_read)
+ svm_fifo_overwrite_head (ctx->s->tx_fifo, (u8 *) & ctx->hdr,
+ sizeof (session_dgram_pre_hdr_t));
}
else
{
u32 max_segs, u8 peek_data)
{
u32 n_bytes_per_buf, n_bytes_per_seg;
+
+ n_bytes_per_buf = vlib_buffer_get_default_data_size (vm);
ctx->max_dequeue = svm_fifo_max_dequeue_cons (ctx->s->tx_fifo);
+
if (peek_data)
{
/* Offset in rx fifo from where to peek data */
{
if (ctx->transport_vft->transport_options.tx_type == TRANSPORT_TX_DGRAM)
{
+ u32 len, chain_limit;
+
if (ctx->max_dequeue <= sizeof (ctx->hdr))
{
ctx->max_len_to_snd = 0;
return;
}
+
svm_fifo_peek (ctx->s->tx_fifo, 0, sizeof (ctx->hdr),
(u8 *) & ctx->hdr);
ASSERT (ctx->hdr.data_length > ctx->hdr.data_offset);
- ctx->max_dequeue = ctx->hdr.data_length - ctx->hdr.data_offset;
+ len = ctx->hdr.data_length - ctx->hdr.data_offset;
+
+ /* Process multiple dgrams if smaller than min (buf_space, mss).
+ * This avoids handling multiple dgrams if they require buffer
+ * chains */
+ chain_limit = clib_min (n_bytes_per_buf - TRANSPORT_MAX_HDRS_LEN,
+ ctx->sp.snd_mss);
+ if (ctx->hdr.data_length <= chain_limit)
+ {
+ u32 first_dgram_len, dgram_len, offset, max_offset;
+ session_dgram_hdr_t hdr;
+
+ ctx->sp.snd_mss = clib_min (ctx->sp.snd_mss, len);
+ offset = ctx->hdr.data_length + sizeof (session_dgram_hdr_t);
+ first_dgram_len = len;
+ max_offset = clib_min (ctx->max_dequeue, 16 << 10);
+
+ while (offset < max_offset)
+ {
+ svm_fifo_peek (ctx->s->tx_fifo, offset, sizeof (ctx->hdr),
+ (u8 *) & hdr);
+ ASSERT (hdr.data_length > hdr.data_offset);
+ dgram_len = hdr.data_length - hdr.data_offset;
+ if (len + dgram_len > ctx->max_dequeue
+ || first_dgram_len != dgram_len)
+ break;
+ len += dgram_len;
+ offset += sizeof (hdr) + hdr.data_length;
+ }
+ }
+
+ ctx->max_dequeue = len;
}
}
ASSERT (ctx->max_dequeue > 0);
ctx->max_len_to_snd = max_segs * ctx->sp.snd_mss;
}
- n_bytes_per_buf = vlib_buffer_get_default_data_size (vm);
ASSERT (n_bytes_per_buf > TRANSPORT_MAX_HDRS_LEN);
if (ctx->n_segs_per_evt > 1)
{
}
next_index = smm->session_type_to_next[ctx->s->session_type];
- max_burst = VLIB_FRAME_SIZE - *n_tx_packets;
+ max_burst = SESSION_NODE_FRAME_SIZE - *n_tx_packets;
tp = session_get_transport_proto (ctx->s);
ctx->transport_vft = transport_protocol_get_vft (tp);
return SESSION_TX_NO_BUFFERS;
}
+ if (transport_connection_is_tx_paced (ctx->tc))
+ transport_connection_tx_pacer_update_bytes (ctx->tc, ctx->max_len_to_snd);
+
ctx->left_to_snd = ctx->max_len_to_snd;
n_left = ctx->n_segs_per_evt;
vlib_buffer_free (vm, wrk->tx_buffers, n_bufs);
*n_tx_packets += ctx->n_segs_per_evt;
- transport_connection_update_tx_bytes (ctx->tc, ctx->max_len_to_snd);
SESSION_EVT (SESSION_EVT_DEQ, ctx->s, ctx->max_len_to_snd, ctx->max_dequeue,
ctx->s->tx_fifo->has_event, wrk->last_vlib_time);
if (!peek_data)
{
- /* Fix dgram pre header */
- if (ctx->transport_vft->transport_options.tx_type == TRANSPORT_TX_DGRAM
- && ctx->max_len_to_snd < ctx->max_dequeue)
- svm_fifo_overwrite_head (ctx->s->tx_fifo, (u8 *) & ctx->hdr,
- sizeof (session_dgram_pre_hdr_t));
- if (svm_fifo_needs_deq_ntf (ctx->s->tx_fifo, ctx->max_len_to_snd))
+ u32 n_dequeued = ctx->max_len_to_snd;
+ if (ctx->transport_vft->transport_options.tx_type == TRANSPORT_TX_DGRAM)
+ n_dequeued += ctx->n_segs_per_evt * SESSION_CONN_HDR_LEN;
+ if (svm_fifo_needs_deq_ntf (ctx->s->tx_fifo, n_dequeued))
session_dequeue_notify (ctx->s);
}
return SESSION_TX_OK;
/* Clear custom-tx flag used to request reschedule for tx */
s->flags &= ~SESSION_F_CUSTOM_TX;
- sp->max_burst_size = clib_min (VLIB_FRAME_SIZE - *n_tx_packets,
+ sp->max_burst_size = clib_min (SESSION_NODE_FRAME_SIZE - *n_tx_packets,
TRANSPORT_PACER_MAX_BURST_PKTS);
n_packets = transport_custom_tx (session_get_transport_proto (s), s, sp);
session_evt_add_head_old (wrk, elt);
}
+ if (sp->max_burst_size &&
+ svm_fifo_needs_deq_ntf (s->tx_fifo, sp->max_burst_size))
+ session_dequeue_notify (s);
+
return n_packets;
}
always_inline session_t *
-session_event_get_session (session_event_t * e, u8 thread_index)
+session_event_get_session (session_worker_t * wrk, session_event_t * e)
{
- return session_get_if_valid (e->session_index, thread_index);
+ if (PREDICT_FALSE (pool_is_free_index (wrk->sessions, e->session_index)))
+ return 0;
+
+ ASSERT (session_is_valid (e->session_index, wrk->vm->thread_index));
+ return pool_elt_at_index (wrk->sessions, e->session_index);
}
always_inline void
case SESSION_CTRL_EVT_APP_DETACH:
app_mq_detach_handler (session_evt_ctrl_data (wrk, elt));
break;
+ case SESSION_CTRL_EVT_APP_WRK_RPC:
+ session_mq_app_wrk_rpc_handler (session_evt_ctrl_data (wrk, elt));
+ break;
default:
clib_warning ("unhandled event type %d", e->event_type);
}
always_inline void
session_event_dispatch_io (session_worker_t * wrk, vlib_node_runtime_t * node,
- session_evt_elt_t * elt, u32 thread_index,
- int *n_tx_packets)
+ session_evt_elt_t * elt, int *n_tx_packets)
{
session_main_t *smm = &session_main;
app_worker_t *app_wrk;
{
case SESSION_IO_EVT_TX_FLUSH:
case SESSION_IO_EVT_TX:
- s = session_event_get_session (e, thread_index);
+ s = session_event_get_session (wrk, e);
if (PREDICT_FALSE (!s))
break;
CLIB_PREFETCH (s->tx_fifo, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
(smm->session_tx_fns[s->session_type]) (wrk, node, elt, n_tx_packets);
break;
case SESSION_IO_EVT_RX:
- s = session_event_get_session (e, thread_index);
+ s = session_event_get_session (wrk, e);
if (!s)
break;
transport_app_rx_evt (session_get_transport_proto (s),
s->connection_index, s->thread_index);
break;
case SESSION_IO_EVT_BUILTIN_RX:
- s = session_event_get_session (e, thread_index);
+ s = session_event_get_session (wrk, e);
if (PREDICT_FALSE (!s || s->session_state >= SESSION_STATE_CLOSING))
break;
svm_fifo_unset_event (s->rx_fifo);
* XXX: we may need priorities here */
mq = wrk->vpp_event_queue;
n_to_dequeue = svm_msg_q_size (mq);
- if (n_to_dequeue && svm_msg_q_try_lock (mq) == 0)
+ if (n_to_dequeue)
{
for (i = 0; i < n_to_dequeue; i++)
{
- svm_msg_q_sub_w_lock (mq, msg);
+ svm_msg_q_sub_raw (mq, msg);
evt = svm_msg_q_msg_data (mq, msg);
session_evt_add_to_list (wrk, evt);
svm_msg_q_free_msg (mq, msg);
}
- svm_msg_q_unlock (mq);
}
SESSION_EVT (SESSION_EVT_DSP_CNTRS, MQ_DEQ, wrk, n_to_dequeue, !i);
old_ti = clib_llist_prev_index (old_he, evt_list);
ei = clib_llist_next_index (new_he, evt_list);
- while (ei != wrk->new_head && n_tx_packets < VLIB_FRAME_SIZE)
+ while (ei != wrk->new_head && n_tx_packets < SESSION_NODE_FRAME_SIZE)
{
elt = pool_elt_at_index (wrk->event_elts, ei);
ei = clib_llist_next_index (elt, evt_list);
clib_llist_remove (wrk->event_elts, evt_list, elt);
- session_event_dispatch_io (wrk, node, elt, thread_index, &n_tx_packets);
+ session_event_dispatch_io (wrk, node, elt, &n_tx_packets);
}
SESSION_EVT (SESSION_EVT_DSP_CNTRS, NEW_IO_EVTS, wrk);
old_he = pool_elt_at_index (wrk->event_elts, wrk->old_head);
ei = clib_llist_next_index (old_he, evt_list);
- while (n_tx_packets < VLIB_FRAME_SIZE)
+ while (n_tx_packets < SESSION_NODE_FRAME_SIZE)
{
elt = pool_elt_at_index (wrk->event_elts, ei);
next_ei = clib_llist_next_index (elt, evt_list);
clib_llist_remove (wrk->event_elts, evt_list, elt);
- session_event_dispatch_io (wrk, node, elt, thread_index,
- &n_tx_packets);
+ session_event_dispatch_io (wrk, node, elt, &n_tx_packets);
if (ei == old_ti)
break;
static clib_error_t *
session_queue_exit (vlib_main_t * vm)
{
- if (vec_len (vlib_mains) < 2)
+ if (vlib_get_n_threads () < 2)
return 0;
/*
session_queue_run_on_main (vm);
break;
case SESSION_Q_PROCESS_STOP:
+ vlib_node_set_state (vm, session_queue_process_node.index,
+ VLIB_NODE_STATE_DISABLED);
timeout = 100000.0;
break;
case ~0: