+ if ((desc_data_offset == desc_table[desc_current].len) &&
+ (desc_table[desc_current].flags & VIRTQ_DESC_F_NEXT))
+ {
+ current = desc_table[desc_current].next;
+ b_data = map_guest_mem (vui, desc_table[current].addr,
+ &map_hint);
+ if (PREDICT_FALSE (b_data == 0))
+ {
+ vlib_error_count (vm, node->node_index,
+ VHOST_USER_INPUT_FUNC_ERROR_MMAP_FAIL,
+ 1);
+ goto out;
+ }
+ }
+ else
+ b_data = (u8 *) hdr + desc_data_offset;
+
+ vhost_user_handle_rx_offload (b_head, b_data, &hdr->hdr);