diff options
Diffstat (limited to 'lib/vrf.c')
-rw-r--r-- | lib/vrf.c | 157 |
1 files changed, 22 insertions, 135 deletions
@@ -21,9 +21,6 @@ #include <zebra.h> -/* for basename */ -#include <libgen.h> - #include "if.h" #include "vrf.h" #include "vrf_int.h" @@ -97,28 +94,6 @@ static int vrf_name_compare(const struct vrf *a, const struct vrf *b) return strcmp(a->name, b->name); } -/* if ns_id is different and not VRF_UNKNOWN, - * then update vrf identifier, and enable VRF - */ -static void vrf_update_vrf_id(ns_id_t ns_id, void *opaqueptr) -{ - ns_id_t vrf_id = (vrf_id_t)ns_id; - vrf_id_t old_vrf_id; - struct vrf *vrf = (struct vrf *)opaqueptr; - - if (!vrf) - return; - old_vrf_id = vrf->vrf_id; - if (vrf_id == vrf->vrf_id) - return; - if (vrf->vrf_id != VRF_UNKNOWN) - RB_REMOVE(vrf_id_head, &vrfs_by_id, vrf); - vrf->vrf_id = vrf_id; - RB_INSERT(vrf_id_head, &vrfs_by_id, vrf); - if (old_vrf_id == VRF_UNKNOWN) - vrf_enable(vrf); -} - int vrf_switch_to_netns(vrf_id_t vrf_id) { char *name; @@ -659,115 +634,6 @@ int vrf_configure_backend(enum vrf_backend_type backend) return 0; } -int vrf_handler_create(struct vty *vty, const char *vrfname, - struct vrf **vrf) -{ - struct vrf *vrfp; - char xpath_list[XPATH_MAXLEN]; - int ret; - - if (strlen(vrfname) > VRF_NAMSIZ) { - if (vty) - vty_out(vty, - "%% VRF name %s invalid: length exceeds %d bytes\n", - vrfname, VRF_NAMSIZ); - else - flog_warn( - EC_LIB_VRF_LENGTH, - "%% VRF name %s invalid: length exceeds %d bytes", - vrfname, VRF_NAMSIZ); - return CMD_WARNING_CONFIG_FAILED; - } - - if (vty) { - snprintf(xpath_list, sizeof(xpath_list), FRR_VRF_KEY_XPATH, - vrfname); - - nb_cli_enqueue_change(vty, xpath_list, NB_OP_CREATE, NULL); - ret = nb_cli_apply_changes_clear_pending(vty, xpath_list); - if (ret == CMD_SUCCESS) { - VTY_PUSH_XPATH(VRF_NODE, xpath_list); - vrfp = vrf_lookup_by_name(vrfname); - if (vrfp) - VTY_PUSH_CONTEXT(VRF_NODE, vrfp); - } - } else { - vrfp = vrf_get(VRF_UNKNOWN, vrfname); - - if (vrf) - *vrf = vrfp; - } - return CMD_SUCCESS; -} - -int vrf_netns_handler_create(struct vty *vty, struct vrf *vrf, char *pathname, - ns_id_t ns_id, ns_id_t internal_ns_id, - ns_id_t rel_def_ns_id) -{ - struct ns *ns = NULL; - - if (!vrf) - return CMD_WARNING_CONFIG_FAILED; - if (vrf->vrf_id != VRF_UNKNOWN && vrf->ns_ctxt == NULL) { - if (vty) - vty_out(vty, - "VRF %u is already configured with VRF %s\n", - vrf->vrf_id, vrf->name); - else - zlog_info("VRF %u is already configured with VRF %s", - vrf->vrf_id, vrf->name); - return CMD_WARNING_CONFIG_FAILED; - } - if (vrf->ns_ctxt != NULL) { - ns = (struct ns *)vrf->ns_ctxt; - if (!strcmp(ns->name, pathname)) { - if (vty) - vty_out(vty, - "VRF %u already configured with NETNS %s\n", - vrf->vrf_id, ns->name); - else - zlog_info( - "VRF %u already configured with NETNS %s", - vrf->vrf_id, ns->name); - return CMD_WARNING_CONFIG_FAILED; - } - } - ns = ns_lookup_name(pathname); - if (ns && ns->vrf_ctxt) { - struct vrf *vrf2 = (struct vrf *)ns->vrf_ctxt; - - if (vrf2 == vrf) - return CMD_SUCCESS; - if (vty) - vty_out(vty, - "NS %s is already configured with VRF %u(%s)\n", - ns->name, vrf2->vrf_id, vrf2->name); - else - zlog_info("NS %s is already configured with VRF %u(%s)", - ns->name, vrf2->vrf_id, vrf2->name); - return CMD_WARNING_CONFIG_FAILED; - } - ns = ns_get_created(ns, pathname, ns_id); - ns->internal_ns_id = internal_ns_id; - ns->relative_default_ns = rel_def_ns_id; - ns->vrf_ctxt = (void *)vrf; - vrf->ns_ctxt = (void *)ns; - /* update VRF netns NAME */ - strlcpy(vrf->data.l.netns_name, basename(pathname), NS_NAMSIZ); - - if (!ns_enable(ns, vrf_update_vrf_id)) { - if (vty) - vty_out(vty, "Can not associate NS %u with NETNS %s\n", - ns->ns_id, ns->name); - else - zlog_info("Can not associate NS %u with NETNS %s", - ns->ns_id, ns->name); - return CMD_WARNING_CONFIG_FAILED; - } - - return CMD_SUCCESS; -} - /* vrf CLI commands */ DEFUN_NOSH(vrf_exit, vrf_exit_cmd, @@ -786,8 +652,29 @@ DEFUN_YANG_NOSH (vrf, { int idx_name = 1; const char *vrfname = argv[idx_name]->arg; + char xpath_list[XPATH_MAXLEN]; + struct vrf *vrf; + int ret; + + if (strlen(vrfname) > VRF_NAMSIZ) { + vty_out(vty, + "%% VRF name %s invalid: length exceeds %d bytes\n", + vrfname, VRF_NAMSIZ); + return CMD_WARNING_CONFIG_FAILED; + } - return vrf_handler_create(vty, vrfname, NULL); + snprintf(xpath_list, sizeof(xpath_list), FRR_VRF_KEY_XPATH, vrfname); + + nb_cli_enqueue_change(vty, xpath_list, NB_OP_CREATE, NULL); + ret = nb_cli_apply_changes_clear_pending(vty, xpath_list); + if (ret == CMD_SUCCESS) { + VTY_PUSH_XPATH(VRF_NODE, xpath_list); + vrf = vrf_lookup_by_name(vrfname); + if (vrf) + VTY_PUSH_CONTEXT(VRF_NODE, vrf); + } + + return ret; } DEFUN_YANG (no_vrf, |