mpls: add null driver

Signed-off-by: Renato Westphal <renato@opensourcerouting.org>

1 files changed, 2 insertions, 76 deletions

diff --git a/zebra/rt_netlink.c b/zebra/rt_netlink.c
index 07d2923028..95c8892979 100644
--- a/zebra/rt_netlink.c
+++ b/zebra/rt_netlink.c
@@ -2805,7 +2805,7 @@ kernel_neigh_update (int add, int ifindex, uint32_t addr, char *lla, int llalen)
 /*
  * MPLS label forwarding table change via netlink interface.
  */
-static int
+int
 netlink_mpls_multipath (int cmd, zebra_lsp_t *lsp)
 {
   mpls_lse_t lse;
@@ -2977,7 +2977,7 @@ netlink_mpls_multipath (int cmd, zebra_lsp_t *lsp)
 /*
  * Handle failure in LSP install, clear flags for NHLFE.
  */
-static inline void
+void
 clear_nhlfe_installed (zebra_lsp_t *lsp)
 {
   zebra_nhlfe_t *nhlfe;
@@ -2994,80 +2994,6 @@ clear_nhlfe_installed (zebra_lsp_t *lsp)
     }
 }
 
-/*
- * Install Label Forwarding entry into the kernel.
- */
-int
-kernel_add_lsp (zebra_lsp_t *lsp)
-{
-  int ret;
-
-  if (!lsp || !lsp->best_nhlfe) // unexpected
-    return -1;
-
-  UNSET_FLAG (lsp->flags, LSP_FLAG_CHANGED);
-  ret = netlink_mpls_multipath (RTM_NEWROUTE, lsp);
-  if (!ret)
-    SET_FLAG (lsp->flags, LSP_FLAG_INSTALLED);
-  else
-    clear_nhlfe_installed (lsp);
-
-  return ret;
-}
-
-/*
- * Update Label Forwarding entry in the kernel. This means that the Label
- * forwarding entry is already installed and needs an update - either a new
- * path is to be added, an installed path has changed (e.g., outgoing label)
- * or an installed path (but not all paths) has to be removed.
- * TODO: Performs a DEL followed by ADD now, need to change to REPLACE. Note
- * that REPLACE was originally implemented for IPv4 nexthops but removed as
- * it was not functioning when moving from swap to PHP as that was signaled
- * through the metric field (before kernel-MPLS). This shouldn't be an issue
- * any longer, so REPLACE can be reintroduced.
- */
-int
-kernel_upd_lsp (zebra_lsp_t *lsp)
-{
-  int ret;
-
-  if (!lsp || !lsp->best_nhlfe) // unexpected
-    return -1;
-
-  UNSET_FLAG (lsp->flags, LSP_FLAG_CHANGED);
-
-  /* First issue a DEL and clear the installed flag. */
-  netlink_mpls_multipath (RTM_DELROUTE, lsp);
-  UNSET_FLAG (lsp->flags, LSP_FLAG_INSTALLED);
-
-  /* Then issue an ADD. */
-  ret = netlink_mpls_multipath (RTM_NEWROUTE, lsp);
-  if (!ret)
-    SET_FLAG (lsp->flags, LSP_FLAG_INSTALLED);
-  else
-    clear_nhlfe_installed (lsp);
-
-  return ret;
-}
-
-/*
- * Delete Label Forwarding entry from the kernel.
- */
-int
-kernel_del_lsp (zebra_lsp_t *lsp)
-{
-  if (!lsp) // unexpected
-    return -1;
-
-  if (CHECK_FLAG (lsp->flags, LSP_FLAG_INSTALLED))
-    {
-      netlink_mpls_multipath (RTM_DELROUTE, lsp);
-      UNSET_FLAG (lsp->flags, LSP_FLAG_INSTALLED);
-    }
-
-  return 0;
-}
-
 extern struct thread_master *master;
 
 /* Kernel route reflection. */