/*
* Install Label Forwarding entry into the kernel.
*/
-int kernel_add_lsp(zebra_lsp_t *lsp)
+enum zebra_dplane_result kernel_add_lsp(zebra_lsp_t *lsp)
{
int ret;
- if (!lsp || !lsp->best_nhlfe) // unexpected
- return -1;
+ if (!lsp || !lsp->best_nhlfe) { // unexpected
+ kernel_lsp_pass_fail(lsp, ZEBRA_DPLANE_INSTALL_FAILURE);
+ return ZEBRA_DPLANE_REQUEST_FAILURE;
+ }
- UNSET_FLAG(lsp->flags, LSP_FLAG_CHANGED);
ret = netlink_mpls_multipath(RTM_NEWROUTE, lsp);
- if (!ret)
- SET_FLAG(lsp->flags, LSP_FLAG_INSTALLED);
- return ret;
+ kernel_lsp_pass_fail(lsp,
+ (!ret) ? ZEBRA_DPLANE_INSTALL_SUCCESS
+ : ZEBRA_DPLANE_INSTALL_FAILURE);
+
+ return ZEBRA_DPLANE_REQUEST_SUCCESS;
}
/*
* 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)
+enum zebra_dplane_result kernel_upd_lsp(zebra_lsp_t *lsp)
{
int ret;
- zebra_nhlfe_t *nhlfe;
- struct nexthop *nexthop;
-
- if (!lsp || !lsp->best_nhlfe) // unexpected
- return -1;
-
- UNSET_FLAG(lsp->flags, LSP_FLAG_CHANGED);
- /* Any NHLFE that was installed but is not selected now needs to
- * have its flags updated.
- */
- for (nhlfe = lsp->nhlfe_list; nhlfe; nhlfe = nhlfe->next) {
- nexthop = nhlfe->nexthop;
- if (!nexthop)
- continue;
-
- if (CHECK_FLAG(nhlfe->flags, NHLFE_FLAG_INSTALLED) &&
- !CHECK_FLAG(nhlfe->flags, NHLFE_FLAG_SELECTED)) {
- UNSET_FLAG(nhlfe->flags, NHLFE_FLAG_INSTALLED);
- UNSET_FLAG(nexthop->flags, NEXTHOP_FLAG_FIB);
- }
+ if (!lsp || !lsp->best_nhlfe) { // unexpected
+ kernel_lsp_pass_fail(lsp, ZEBRA_DPLANE_INSTALL_FAILURE);
+ return ZEBRA_DPLANE_REQUEST_FAILURE;
}
ret = netlink_mpls_multipath(RTM_NEWROUTE, lsp);
- if (!ret)
- SET_FLAG(lsp->flags, LSP_FLAG_INSTALLED);
- return ret;
+ kernel_lsp_pass_fail(lsp,
+ (!ret) ? ZEBRA_DPLANE_INSTALL_SUCCESS
+ : ZEBRA_DPLANE_INSTALL_FAILURE);
+
+ return ZEBRA_DPLANE_REQUEST_SUCCESS;
}
/*
* Delete Label Forwarding entry from the kernel.
*/
-int kernel_del_lsp(zebra_lsp_t *lsp)
+enum zebra_dplane_result kernel_del_lsp(zebra_lsp_t *lsp)
{
- if (!lsp) // unexpected
- return -1;
+ int ret;
- if (CHECK_FLAG(lsp->flags, LSP_FLAG_INSTALLED)) {
- netlink_mpls_multipath(RTM_DELROUTE, lsp);
- UNSET_FLAG(lsp->flags, LSP_FLAG_INSTALLED);
+ if (!lsp) { // unexpected
+ kernel_lsp_pass_fail(lsp, ZEBRA_DPLANE_DELETE_FAILURE);
+ return ZEBRA_DPLANE_REQUEST_FAILURE;
}
- return 0;
+ if (!CHECK_FLAG(lsp->flags, LSP_FLAG_INSTALLED)) {
+ kernel_lsp_pass_fail(lsp, ZEBRA_DPLANE_DELETE_FAILURE);
+ return ZEBRA_DPLANE_REQUEST_FAILURE;
+ }
+
+ ret = netlink_mpls_multipath(RTM_DELROUTE, lsp);
+
+ kernel_lsp_pass_fail(lsp,
+ (!ret) ? ZEBRA_DPLANE_DELETE_SUCCESS
+ : ZEBRA_DPLANE_DELETE_FAILURE);
+
+ return ZEBRA_DPLANE_REQUEST_SUCCESS;
}
int mpls_kernel_init(void)