#include "zebra/rib.h"
#include "zebra/rt.h"
+#include "zebra/interface.h"
#include "zebra/zserv.h"
#include "zebra/redistribute.h"
#include "zebra/debug.h"
#include "zebra/zebra_memory.h"
#include "zebra/zebra_vrf.h"
#include "zebra/zebra_mpls.h"
+#include "zebra/zebra_errors.h"
DEFINE_MTYPE_STATIC(ZEBRA, LSP, "MPLS LSP object")
DEFINE_MTYPE_STATIC(ZEBRA, FEC, "MPLS FEC object")
stream_put_prefix(s, &rn->p);
stream_putl(s, fec->label);
stream_putw_at(s, 0, stream_get_endp(s));
- return zebra_server_send_message(client, s);
+ return zserv_send_message(client, s);
}
/*
if (!fec) {
fec = XCALLOC(MTYPE_FEC, sizeof(zebra_fec_t));
- if (!fec)
- return NULL;
rn->info = fec;
fec->rn = rn;
{
struct nexthop *nexthop;
struct interface *ifp;
+ struct zebra_ns *zns;
nexthop = nhlfe->nexthop;
if (!nexthop) // unexpected
* which will not be in the default
* VRF. So let's look in all of them
*/
- ifp = if_lookup_by_index(nexthop->ifindex, VRF_UNKNOWN);
+ zns = zebra_ns_lookup(NS_DEFAULT);
+ ifp = if_lookup_by_index_per_ns(zns, nexthop->ifindex);
if (ifp && if_is_operative(ifp))
SET_FLAG(nexthop->flags, NEXTHOP_FLAG_ACTIVE);
else
lsp = (zebra_lsp_t *)backet->data;
if (CHECK_FLAG(lsp->flags, LSP_FLAG_INSTALLED))
- kernel_del_lsp(lsp);
+ (void)kernel_del_lsp(lsp);
}
/*
if (newbest) {
UNSET_FLAG(lsp->flags, LSP_FLAG_CHANGED);
- kernel_add_lsp(lsp);
-
- zvrf->lsp_installs++;
+ switch (kernel_add_lsp(lsp)) {
+ case DP_REQUEST_QUEUED:
+ flog_err(
+ EC_ZEBRA_DP_INVALID_RC,
+ "No current DataPlane interfaces can return this, please fix");
+ break;
+ case DP_REQUEST_FAILURE:
+ break;
+ case DP_REQUEST_SUCCESS:
+ zvrf->lsp_installs++;
+ break;
+ }
}
} else {
/* Installed, may need an update and/or delete. */
if (!newbest) {
- kernel_del_lsp(lsp);
-
- zvrf->lsp_removals++;
+ switch (kernel_del_lsp(lsp)) {
+ case DP_REQUEST_QUEUED:
+ flog_err(
+ EC_ZEBRA_DP_INVALID_RC,
+ "No current DataPlane interfaces can return this, please fix");
+ break;
+ case DP_REQUEST_FAILURE:
+ break;
+ case DP_REQUEST_SUCCESS:
+ zvrf->lsp_removals++;
+ break;
+ }
} else if (CHECK_FLAG(lsp->flags, LSP_FLAG_CHANGED)) {
zebra_nhlfe_t *nhlfe;
struct nexthop *nexthop;
}
}
- kernel_upd_lsp(lsp);
-
- zvrf->lsp_installs++;
+ switch (kernel_upd_lsp(lsp)) {
+ case DP_REQUEST_QUEUED:
+ flog_err(
+ EC_ZEBRA_DP_INVALID_RC,
+ "No current DataPlane interfaces can return this, please fix");
+ break;
+ case DP_REQUEST_FAILURE:
+ break;
+ case DP_REQUEST_SUCCESS:
+ zvrf->lsp_installs++;
+ break;
+ }
}
}
return 0;
if (zebrad.lsp_process_q == NULL) {
- zlog_err("%s: work_queue does not exist!", __func__);
+ flog_err(EC_ZEBRA_WQ_NONEXISTENT,
+ "%s: work_queue does not exist!", __func__);
return -1;
}
return NULL;
nhlfe = XCALLOC(MTYPE_NHLFE, sizeof(zebra_nhlfe_t));
- if (!nhlfe)
- return NULL;
nhlfe->lsp = lsp;
nhlfe->type = lsp_type;
{
zebra->lsp_process_q = work_queue_new(zebra->master, "LSP processing");
if (!zebra->lsp_process_q) {
- zlog_err("%s: could not initialise work queue!", __func__);
+ flog_err(EC_ZEBRA_WQ_NONEXISTENT,
+ "%s: could not initialise work queue!", __func__);
return -1;
}
/* Public functions */
-void kernel_lsp_pass_fail(zebra_lsp_t *lsp, enum southbound_results res)
+void kernel_lsp_pass_fail(zebra_lsp_t *lsp, enum dp_results res)
{
struct nexthop *nexthop;
zebra_nhlfe_t *nhlfe;
return;
switch (res) {
- case SOUTHBOUND_INSTALL_FAILURE:
+ case DP_INSTALL_FAILURE:
UNSET_FLAG(lsp->flags, LSP_FLAG_INSTALLED);
clear_nhlfe_installed(lsp);
- zlog_warn("LSP Install Failure: %u", lsp->ile.in_label);
+ flog_warn(EC_ZEBRA_LSP_INSTALL_FAILURE,
+ "LSP Install Failure: %u", lsp->ile.in_label);
break;
- case SOUTHBOUND_INSTALL_SUCCESS:
+ case DP_INSTALL_SUCCESS:
SET_FLAG(lsp->flags, LSP_FLAG_INSTALLED);
for (nhlfe = lsp->nhlfe_list; nhlfe; nhlfe = nhlfe->next) {
nexthop = nhlfe->nexthop;
SET_FLAG(nexthop->flags, NEXTHOP_FLAG_FIB);
}
break;
- case SOUTHBOUND_DELETE_SUCCESS:
+ case DP_DELETE_SUCCESS:
UNSET_FLAG(lsp->flags, LSP_FLAG_INSTALLED);
clear_nhlfe_installed(lsp);
break;
- case SOUTHBOUND_DELETE_FAILURE:
- zlog_warn("LSP Deletion Failure: %u", lsp->ile.in_label);
+ case DP_DELETE_FAILURE:
+ flog_warn(EC_ZEBRA_LSP_DELETE_FAILURE,
+ "LSP Deletion Failure: %u", lsp->ile.in_label);
break;
}
}
-/*
- * String to label conversion, labels separated by '/'.
- *
- * @param label_str labels separated by /
- * @param num_labels number of labels; zero if conversion was unsuccessful
- * @param labels preallocated mpls_label_t array of size MPLS_MAX_LABELS; only
- * modified if the conversion succeeded
- * @return 0 on success
- * -1 if the string could not be parsed as integers
- * -2 if a label was inside the reserved range (0-15)
- * -3 if the number of labels given exceeds MPLS_MAX_LABELS
- */
-int mpls_str2label(const char *label_str, uint8_t *num_labels,
- mpls_label_t *labels)
-{
- char *ostr; // copy of label string (start)
- char *lstr; // copy of label string
- char *nump; // pointer to next segment
- char *endp; // end pointer
- int i; // for iterating label_str
- int rc; // return code
- mpls_label_t pl[MPLS_MAX_LABELS]; // parsed labels
-
- /* labels to zero until we have a successful parse */
- ostr = lstr = XSTRDUP(MTYPE_TMP, label_str);
- *num_labels = 0;
- rc = 0;
-
- for (i = 0; i < MPLS_MAX_LABELS && lstr && !rc; i++) {
- nump = strsep(&lstr, "/");
- pl[i] = strtoul(nump, &endp, 10);
-
- /* format check */
- if (*endp != '\0')
- rc = -1;
- /* validity check */
- else if (!IS_MPLS_UNRESERVED_LABEL(pl[i]))
- rc = -2;
- }
-
- /* excess labels */
- if (!rc && i == MPLS_MAX_LABELS && lstr)
- rc = -3;
-
- if (!rc) {
- *num_labels = i;
- memcpy(labels, pl, *num_labels * sizeof(mpls_label_t));
- }
-
- XFREE(MTYPE_TMP, ostr);
-
- return rc;
-}
-
-/*
- * Label to string conversion, labels in string separated by '/'.
- */
-char *mpls_label2str(uint8_t num_labels, mpls_label_t *labels, char *buf,
- int len, int pretty)
-{
- char label_buf[BUFSIZ];
- int i;
-
- buf[0] = '\0';
- for (i = 0; i < num_labels; i++) {
- if (i != 0)
- strlcat(buf, "/", len);
- if (pretty)
- label2str(labels[i], label_buf, sizeof(label_buf));
- else
- snprintf(label_buf, sizeof(label_buf), "%u", labels[i]);
- strlcat(buf, label_buf, len);
- }
-
- return buf;
-}
-
/*
* Install dynamic LSP entry.
*/
fec = fec_add(table, p, MPLS_INVALID_LABEL, 0, label_index);
if (!fec) {
prefix2str(p, buf, BUFSIZ);
- zlog_err(
+ flog_err(
+ EC_ZEBRA_FEC_ADD_FAILED,
"Failed to add FEC %s upon register, client %s",
buf, zebra_route_string(client->proto));
return -1;
fec = fec_find(table, p);
if (!fec) {
prefix2str(p, buf, BUFSIZ);
- zlog_err("Failed to find FEC %s upon unregister, client %s",
+ flog_err(EC_ZEBRA_FEC_RM_FAILED,
+ "Failed to find FEC %s upon unregister, client %s",
buf, zebra_route_string(client->proto));
return -1;
}
/*
* Cleanup any FECs registered by this client.
*/
-int zebra_mpls_cleanup_fecs_for_client(struct zebra_vrf *zvrf,
- struct zserv *client)
+static int zebra_mpls_cleanup_fecs_for_client(struct zserv *client)
{
+ struct zebra_vrf *zvrf = vrf_info_lookup(VRF_DEFAULT);
struct route_node *rn;
zebra_fec_t *fec;
struct listnode *node;
MPLS_INVALID_LABEL_INDEX);
if (!fec) {
prefix2str(p, buf, BUFSIZ);
- zlog_err("Failed to add FEC %s upon config", buf);
+ flog_err(EC_ZEBRA_FEC_ADD_FAILED,
+ "Failed to add FEC %s upon config", buf);
return -1;
}
fec = fec_find(table, p);
if (!fec) {
prefix2str(p, buf, BUFSIZ);
- zlog_err("Failed to find FEC %s upon delete", buf);
+ flog_err(EC_ZEBRA_FEC_RM_FAILED,
+ "Failed to find FEC %s upon delete", buf);
return -1;
}
struct hash *lsp_table;
lsp = (zebra_lsp_t *)backet->data;
- if (!lsp || !lsp->nhlfe_list)
+ if (!lsp->nhlfe_list)
return;
lsp_table = ctxt;
* (VTY command handler).
*/
void zebra_mpls_print_lsp(struct vty *vty, struct zebra_vrf *zvrf,
- mpls_label_t label, uint8_t use_json)
+ mpls_label_t label, bool use_json)
{
struct hash *lsp_table;
zebra_lsp_t *lsp;
* Display MPLS label forwarding table (VTY command handler).
*/
void zebra_mpls_print_lsp_table(struct vty *vty, struct zebra_vrf *zvrf,
- uint8_t use_json)
+ bool use_json)
{
char buf[BUFSIZ];
json_object *json = NULL;
switch (nexthop->type) {
case NEXTHOP_TYPE_IFINDEX: {
+ struct zebra_ns *zns;
struct interface *ifp;
- ifp = if_lookup_by_index(
- nexthop->ifindex, VRF_UNKNOWN);
+ zns = zebra_ns_lookup(NS_DEFAULT);
+ ifp = if_lookup_by_index_per_ns(
+ zns,
+ nexthop->ifindex);
vty_out(vty, "%15s", ifp->name);
break;
}
mpls_enabled = 0;
if (mpls_kernel_init() < 0) {
- zlog_warn("Disabling MPLS support (no kernel support)");
+ flog_warn(EC_ZEBRA_MPLS_SUPPORT_DISABLED,
+ "Disabling MPLS support (no kernel support)");
return;
}
if (!mpls_processq_init(&zebrad))
mpls_enabled = 1;
+
+ hook_register(zserv_client_close, zebra_mpls_cleanup_fecs_for_client);
}