int
vcl_session_read_ready (vcl_session_t * s)
{
- if (PREDICT_FALSE (s->is_vep))
+ if (PREDICT_FALSE (s->flags & VCL_SESSION_F_IS_VEP))
{
VDBG (0, "ERROR: session %u: cannot read from an epoll session!",
s->session_index);
int
vcl_session_write_ready (vcl_session_t * s)
{
- if (PREDICT_FALSE (s->is_vep))
+ if (PREDICT_FALSE (s->flags & VCL_SESSION_F_IS_VEP))
{
VDBG (0, "session %u [0x%llx]: cannot write to an epoll session!",
s->session_index, s->vpp_handle);
VDBG (0, "detached segment %u handle %u", segment_index, segment_handle);
}
+int
+vcl_segment_attach_session (uword segment_handle, uword rxf_offset,
+ uword txf_offset, uword mq_offset, u8 is_ct,
+ vcl_session_t *s)
+{
+ svm_fifo_shared_t *rxsf, *txsf;
+ 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 (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);
+ }
+
+ rxsf = uword_to_pointer (rxf_offset, svm_fifo_shared_t *);
+ txsf = uword_to_pointer (txf_offset, svm_fifo_shared_t *);
+
+ clib_rwlock_reader_lock (&vcm->segment_table_lock);
+
+ fs = fifo_segment_get_segment (&vcm->segment_main, fs_index);
+ rxf = fifo_segment_alloc_fifo_w_shared (fs, rxsf);
+ txf = fifo_segment_alloc_fifo_w_shared (fs, txsf);
+
+ 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, rxf->shr->slice_index);
+ }
+
+ clib_rwlock_reader_unlock (&vcm->segment_table_lock);
+
+ if (!is_ct)
+ {
+ rxsf->client_session_index = s->session_index;
+ txsf->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;
+}
+
+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;
+}
/*
* fd.io coding-style-patch-verification: ON