return pool_elt_at_index (wrk->mq_evt_conns, mq_conn_idx);
}
+/* Add unix socket to epoll.
+ * Used only to get a notification on socket close
+ * We can't use eventfd because we don't get notifications on that fds
+ */
+static int
+vcl_mq_epoll_add_api_sock (vcl_worker_t *wrk)
+{
+ clib_socket_t *cs = &wrk->app_api_sock;
+ struct epoll_event e = { 0 };
+ int rv;
+
+ e.data.u32 = ~0;
+ rv = epoll_ctl (wrk->mqs_epfd, EPOLL_CTL_ADD, cs->fd, &e);
+ if (rv != EEXIST && rv < 0)
+ return -1;
+
+ return 0;
+}
+
int
vcl_mq_epoll_add_evfd (vcl_worker_t * wrk, svm_msg_q_t * mq)
{
u32 mqc_index;
int mq_fd;
- mq_fd = svm_msg_q_get_consumer_eventfd (mq);
+ mq_fd = svm_msg_q_get_eventfd (mq);
if (wrk->mqs_epfd < 0 || mq_fd == -1)
return -1;
return -1;
}
+ if (vcl_mq_epoll_add_api_sock (wrk))
+ {
+ VDBG (0, "failed to add mq socket to mq epoll fd");
+ return -1;
+ }
+
return mqc_index;
}
if (wrk->mqs_epfd > 0)
close (wrk->mqs_epfd);
+ pool_free (wrk->sessions);
+ pool_free (wrk->mq_evt_conns);
hash_free (wrk->session_index_by_vpp_handles);
vec_free (wrk->mq_events);
vec_free (wrk->mq_msg_vector);
+ vec_free (wrk->unhandled_evts_vector);
+ vec_free (wrk->pending_session_wrk_updates);
+ clib_bitmap_free (wrk->rd_bitmap);
+ clib_bitmap_free (wrk->wr_bitmap);
+ clib_bitmap_free (wrk->ex_bitmap);
vcl_worker_free (wrk);
clib_spinlock_unlock (&vcm->workers_lock);
}
static void
vcl_worker_cleanup_cb (void *arg)
{
- vcl_worker_t *wrk = vcl_worker_get_current ();
- u32 wrk_index = wrk->wrk_index;
+ vcl_worker_t *wrk;
+ u32 wrk_index;
+
+ wrk_index = vcl_get_worker_index ();
+ wrk = vcl_worker_get_if_valid (wrk_index);
+ if (!wrk)
+ return;
+
vcl_worker_cleanup (wrk, 1 /* notify vpp */ );
vcl_set_worker_index (~0);
VDBG (0, "cleaned up worker %u", wrk_index);
}
+void
+vcl_worker_detach_sessions (vcl_worker_t *wrk)
+{
+ session_event_t *e;
+ vcl_session_t *s;
+
+ close (wrk->app_api_sock.fd);
+ pool_foreach (s, wrk->sessions)
+ {
+ if (s->session_state == VCL_STATE_LISTEN)
+ {
+ s->session_state = VCL_STATE_LISTEN_NO_MQ;
+ continue;
+ }
+ if (s->flags & VCL_SESSION_F_IS_VEP)
+ continue;
+
+ s->session_state = VCL_STATE_DETACHED;
+ vec_add2 (wrk->unhandled_evts_vector, e, 1);
+ e->event_type = SESSION_CTRL_EVT_DISCONNECTED;
+ e->session_index = s->session_index;
+ e->postponed = 1;
+ }
+
+ vcl_segment_detach_all ();
+}
+
vcl_worker_t *
vcl_worker_alloc_and_init ()
{
if (vcl_get_worker_index () != ~0)
return 0;
+ /* Grab lock before selecting mem thread index */
+ clib_spinlock_lock (&vcm->workers_lock);
+
/* 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);
- return 0;
+ wrk = 0;
+ goto done;
}
- clib_spinlock_lock (&vcm->workers_lock);
wrk = vcl_worker_alloc ();
vcl_set_worker_index (wrk->wrk_index);
wrk->thread_id = pthread_self ();
}
}
+ wrk->ep_lt_current = VCL_INVALID_SESSION_INDEX;
wrk->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
clib_time_init (&wrk->clib_time);
vec_validate (wrk->mq_events, 64);
vec_reset_length (wrk->mq_msg_vector);
vec_validate (wrk->unhandled_evts_vector, 128);
vec_reset_length (wrk->unhandled_evts_vector);
- clib_spinlock_unlock (&vcm->workers_lock);
done:
+ clib_spinlock_unlock (&vcm->workers_lock);
return wrk;
}
else
return VPPCOM_EBADFD;
}
+ else if (s->session_state == VCL_STATE_UPDATED)
+ {
+ return 0;
+ }
else
{
return (s->session_state == VCL_STATE_DISCONNECT) ?
}
}
+int
+vcl_session_alloc_ext_cfg (vcl_session_t *s,
+ transport_endpt_ext_cfg_type_t type, u32 len)
+{
+ if (s->ext_config)
+ return -1;
+
+ s->ext_config = clib_mem_alloc (len);
+ clib_memset (s->ext_config, 0, len);
+ s->ext_config->len = len;
+ s->ext_config->type = type;
+
+ return 0;
+}
+
int
vcl_segment_attach (u64 segment_handle, char *name, ssvm_segment_type_t type,
int fd)
clib_rwlock_writer_unlock (&vcm->segment_table_lock);
- vec_reset_length (a->new_segment_indices);
+ vec_free (a->new_segment_indices);
return 0;
}
VDBG (0, "detached segment %u handle %u", segment_index, segment_handle);
}
+void
+vcl_segment_detach_all ()
+{
+ u64 *segs = 0, *seg, key;
+ u32 val;
+
+ clib_rwlock_reader_lock (&vcm->segment_table_lock);
+
+ hash_foreach (key, val, vcm->segment_table, ({ vec_add1 (segs, key); }));
+
+ clib_rwlock_reader_unlock (&vcm->segment_table_lock);
+
+ vec_foreach (seg, segs)
+ vcl_segment_detach (seg[0]);
+
+ vec_free (segs);
+}
+
+int
+vcl_segment_attach_session (uword segment_handle, uword rxf_offset,
+ uword txf_offset, uword mq_offset, u32 mq_index,
+ u8 is_ct, vcl_session_t *s)
+{
+ u32 fs_index, eqs_index;
+ svm_fifo_t *rxf, *txf;
+ fifo_segment_t *fs;
+ u64 eqs_handle;
+
+ fs_index = vcl_segment_table_lookup (segment_handle);
+ if (fs_index == VCL_INVALID_SEGMENT_INDEX)
+ {
+ VDBG (0, "ERROR: segment for session %u is not mounted!",
+ s->session_index);
+ return -1;
+ }
+
+ if (!is_ct && mq_offset != (uword) ~0)
+ {
+ eqs_handle = vcl_vpp_worker_segment_handle (0);
+ eqs_index = vcl_segment_table_lookup (eqs_handle);
+ ASSERT (eqs_index != VCL_INVALID_SEGMENT_INDEX);
+ }
+
+ clib_rwlock_reader_lock (&vcm->segment_table_lock);
+
+ fs = fifo_segment_get_segment (&vcm->segment_main, fs_index);
+ rxf = fifo_segment_alloc_fifo_w_offset (fs, rxf_offset);
+ txf = fifo_segment_alloc_fifo_w_offset (fs, txf_offset);
+ rxf->segment_index = fs_index;
+ txf->segment_index = fs_index;
+
+ if (!is_ct && mq_offset != (uword) ~0)
+ {
+ fs = fifo_segment_get_segment (&vcm->segment_main, eqs_index);
+ s->vpp_evt_q = fifo_segment_msg_q_attach (fs, mq_offset, mq_index);
+ }
+
+ clib_rwlock_reader_unlock (&vcm->segment_table_lock);
+
+ if (!is_ct)
+ {
+ rxf->shr->client_session_index = s->session_index;
+ txf->shr->client_session_index = s->session_index;
+ rxf->client_thread_index = vcl_get_worker_index ();
+ txf->client_thread_index = vcl_get_worker_index ();
+ s->rx_fifo = rxf;
+ s->tx_fifo = txf;
+ }
+ else
+ {
+ s->ct_rx_fifo = rxf;
+ s->ct_tx_fifo = txf;
+ }
+
+ return 0;
+}
+
+void
+vcl_session_detach_fifos (vcl_session_t *s)
+{
+ fifo_segment_t *fs;
+
+ if (!s->rx_fifo)
+ return;
+
+ clib_rwlock_reader_lock (&vcm->segment_table_lock);
+
+ fs = fifo_segment_get_segment_if_valid (&vcm->segment_main,
+ s->rx_fifo->segment_index);
+ if (!fs)
+ goto done;
+
+ fifo_segment_free_client_fifo (fs, s->rx_fifo);
+ fifo_segment_free_client_fifo (fs, s->tx_fifo);
+ if (s->ct_rx_fifo)
+ {
+ fs = fifo_segment_get_segment_if_valid (&vcm->segment_main,
+ s->ct_rx_fifo->segment_index);
+ if (!fs)
+ goto done;
+
+ fifo_segment_free_client_fifo (fs, s->ct_rx_fifo);
+ fifo_segment_free_client_fifo (fs, s->ct_tx_fifo);
+ }
+
+done:
+ clib_rwlock_reader_unlock (&vcm->segment_table_lock);
+}
+
+int
+vcl_segment_attach_mq (uword segment_handle, uword mq_offset, u32 mq_index,
+ svm_msg_q_t **mq)
+{
+ fifo_segment_t *fs;
+ u32 fs_index;
+
+ fs_index = vcl_segment_table_lookup (segment_handle);
+ if (fs_index == VCL_INVALID_SEGMENT_INDEX)
+ {
+ VDBG (0, "ERROR: mq segment %lx for is not attached!", segment_handle);
+ return -1;
+ }
+
+ clib_rwlock_reader_lock (&vcm->segment_table_lock);
+
+ fs = fifo_segment_get_segment (&vcm->segment_main, fs_index);
+ *mq = fifo_segment_msg_q_attach (fs, mq_offset, mq_index);
+
+ clib_rwlock_reader_unlock (&vcm->segment_table_lock);
+
+ return 0;
+}
+
+int
+vcl_segment_discover_mqs (uword segment_handle, int *fds, u32 n_fds)
+{
+ fifo_segment_t *fs;
+ u32 fs_index;
+
+ fs_index = vcl_segment_table_lookup (segment_handle);
+ if (fs_index == VCL_INVALID_SEGMENT_INDEX)
+ {
+ VDBG (0, "ERROR: mq segment %lx for is not attached!", segment_handle);
+ return -1;
+ }
+
+ clib_rwlock_reader_lock (&vcm->segment_table_lock);
+
+ fs = fifo_segment_get_segment (&vcm->segment_main, fs_index);
+ fifo_segment_msg_qs_discover (fs, fds, n_fds);
+
+ clib_rwlock_reader_unlock (&vcm->segment_table_lock);
+
+ return 0;
+}
+
+svm_fifo_chunk_t *
+vcl_segment_alloc_chunk (uword segment_handle, u32 slice_index, u32 size,
+ uword *offset)
+{
+ svm_fifo_chunk_t *c;
+ fifo_segment_t *fs;
+ u32 fs_index;
+
+ fs_index = vcl_segment_table_lookup (segment_handle);
+ if (fs_index == VCL_INVALID_SEGMENT_INDEX)
+ {
+ VDBG (0, "ERROR: mq segment %lx for is not attached!", segment_handle);
+ return 0;
+ }
+
+ clib_rwlock_reader_lock (&vcm->segment_table_lock);
+
+ fs = fifo_segment_get_segment (&vcm->segment_main, fs_index);
+ c = fifo_segment_alloc_chunk_w_slice (fs, slice_index, size);
+ *offset = fifo_segment_chunk_offset (fs, c);
+
+ clib_rwlock_reader_unlock (&vcm->segment_table_lock);
+
+ return c;
+}
+
+int
+vcl_session_share_fifos (vcl_session_t *s, svm_fifo_t *rxf, svm_fifo_t *txf)
+{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+ fifo_segment_t *fs;
+
+ clib_rwlock_reader_lock (&vcm->segment_table_lock);
+
+ fs = fifo_segment_get_segment (&vcm->segment_main, rxf->segment_index);
+ s->rx_fifo = fifo_segment_duplicate_fifo (fs, rxf);
+ s->tx_fifo = fifo_segment_duplicate_fifo (fs, txf);
+
+ clib_rwlock_reader_unlock (&vcm->segment_table_lock);
+
+ svm_fifo_add_subscriber (s->rx_fifo, wrk->vpp_wrk_index);
+ svm_fifo_add_subscriber (s->tx_fifo, wrk->vpp_wrk_index);
+
+ return 0;
+}
+
+const char *
+vcl_session_state_str (vcl_session_state_t state)
+{
+ char *st;
+
+ switch (state)
+ {
+ case VCL_STATE_CLOSED:
+ st = "STATE_CLOSED";
+ break;
+ case VCL_STATE_LISTEN:
+ st = "STATE_LISTEN";
+ break;
+ case VCL_STATE_READY:
+ st = "STATE_READY";
+ break;
+ case VCL_STATE_VPP_CLOSING:
+ st = "STATE_VPP_CLOSING";
+ break;
+ case VCL_STATE_DISCONNECT:
+ st = "STATE_DISCONNECT";
+ break;
+ case VCL_STATE_DETACHED:
+ st = "STATE_DETACHED";
+ break;
+ case VCL_STATE_UPDATED:
+ st = "STATE_UPDATED";
+ break;
+ case VCL_STATE_LISTEN_NO_MQ:
+ st = "STATE_LISTEN_NO_MQ";
+ break;
+ default:
+ st = "UNKNOWN_STATE";
+ break;
+ }
+
+ return st;
+}
+
+u8 *
+vcl_format_ip4_address (u8 *s, va_list *args)
+{
+ u8 *a = va_arg (*args, u8 *);
+ return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]);
+}
+
+u8 *
+vcl_format_ip6_address (u8 *s, va_list *args)
+{
+ ip6_address_t *a = va_arg (*args, ip6_address_t *);
+ u32 i, i_max_n_zero, max_n_zeros, i_first_zero, n_zeros, last_double_colon;
+
+ i_max_n_zero = ARRAY_LEN (a->as_u16);
+ max_n_zeros = 0;
+ i_first_zero = i_max_n_zero;
+ n_zeros = 0;
+ for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
+ {
+ u32 is_zero = a->as_u16[i] == 0;
+ if (is_zero && i_first_zero >= ARRAY_LEN (a->as_u16))
+ {
+ i_first_zero = i;
+ n_zeros = 0;
+ }
+ n_zeros += is_zero;
+ if ((!is_zero && n_zeros > max_n_zeros) ||
+ (i + 1 >= ARRAY_LEN (a->as_u16) && n_zeros > max_n_zeros))
+ {
+ i_max_n_zero = i_first_zero;
+ max_n_zeros = n_zeros;
+ i_first_zero = ARRAY_LEN (a->as_u16);
+ n_zeros = 0;
+ }
+ }
+
+ last_double_colon = 0;
+ for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
+ {
+ if (i == i_max_n_zero && max_n_zeros > 1)
+ {
+ s = format (s, "::");
+ i += max_n_zeros - 1;
+ last_double_colon = 1;
+ }
+ else
+ {
+ s = format (s, "%s%x", (last_double_colon || i == 0) ? "" : ":",
+ clib_net_to_host_u16 (a->as_u16[i]));
+ last_double_colon = 0;
+ }
+ }
+
+ return s;
+}
+
+/* Format an IP46 address. */
+u8 *
+vcl_format_ip46_address (u8 *s, va_list *args)
+{
+ ip46_address_t *ip46 = va_arg (*args, ip46_address_t *);
+ ip46_type_t type = va_arg (*args, ip46_type_t);
+ int is_ip4 = 1;
+
+ switch (type)
+ {
+ case IP46_TYPE_ANY:
+ is_ip4 = ip46_address_is_ip4 (ip46);
+ break;
+ case IP46_TYPE_IP4:
+ is_ip4 = 1;
+ break;
+ case IP46_TYPE_IP6:
+ is_ip4 = 0;
+ break;
+ }
+
+ return is_ip4 ? format (s, "%U", vcl_format_ip4_address, &ip46->ip4) :
+ format (s, "%U", vcl_format_ip6_address, &ip46->ip6);
+}
/*
* fd.io coding-style-patch-verification: ON
Code Review / vpp.git / blobdiff