session: update fifo slice on session migration

[vpp.git] / src / vnet / session / segment_manager.c

diff --git a/src/vnet/session/segment_manager.c b/src/vnet/session/segment_manager.c
index 716f2a3..b40675a 100644 (file)
--- a/src/vnet/session/segment_manager.c
+++ b/src/vnet/session/segment_manager.c
@@ -743,6 +743,30 @@ segment_manager_dealloc_fifos (svm_fifo_t * rx_fifo, svm_fifo_t * tx_fifo)
     segment_manager_segment_reader_unlock (sm);
 }
 
+void
+segment_manager_detach_fifo (segment_manager_t * sm, svm_fifo_t * f)
+{
+  fifo_segment_t *fs;
+
+  fs = segment_manager_get_segment_w_lock (sm, f->segment_index);
+  fifo_segment_detach_fifo (fs, f);
+  segment_manager_segment_reader_unlock (sm);
+}
+
+void
+segment_manager_attach_fifo (segment_manager_t * sm, svm_fifo_t * f,
+                            session_t * s)
+{
+  fifo_segment_t *fs;
+
+  fs = segment_manager_get_segment_w_lock (sm, f->segment_index);
+  fifo_segment_attach_fifo (fs, f, s->thread_index);
+  segment_manager_segment_reader_unlock (sm);
+
+  f->master_session_index = s->session_index;
+  f->master_thread_index = s->thread_index;
+}
+
 u32
 segment_manager_evt_q_expected_size (u32 q_len)
 {