backport https://gerrit.fd.io/r/c/vpp/+/38602

2023-04-12 10:52:40 +02:00
parent 9017d1bd3c
commit bd3265b77f
1 changed files with 6 additions and 0 deletions
--- a/lcpng_interface.c
+++ b/lcpng_interface.c
@ -787,6 +787,12 @@ lcp_itf_pair_create (u32 phy_sw_if_index, u8 *host_if_name,
      return VNET_API_ERROR_INVALID_SW_IF_INDEX;
  }

+  if (hw->hw_class_index != ethernet_hw_interface_class.index &&
+      host_if_type == LCP_ITF_HOST_TAP) {
+      LCP_ITF_PAIR_ERR (
+	"pair_create: don't create TAP for non-eth interface; use tun");
+      return VNET_API_ERROR_INVALID_ARGUMENT;
+  }

  /*
   * Use interface-specific netns if supplied.