return (fib_entry - fib_entry_pool);
}
-static fib_protocol_t
+fib_protocol_t
fib_entry_get_proto (const fib_entry_t * fib_entry)
{
return (fib_entry->fe_prefix.fp_proto);
}
+dpo_proto_t
+fib_entry_get_dpo_proto (const fib_entry_t * fib_entry)
+{
+ return (fib_proto_to_dpo(fib_entry->fe_prefix.fp_proto));
+}
+
fib_forward_chain_type_t
fib_entry_get_default_chain_type (const fib_entry_t *fib_entry)
{
return (FIB_FORW_CHAIN_TYPE_UNICAST_IP6);
case FIB_PROTOCOL_MPLS:
if (MPLS_EOS == fib_entry->fe_prefix.fp_eos)
- /*
- * If the entry being asked is a eos-MPLS label entry,
- * then use the payload-protocol field, that we stashed there
- * for just this purpose
- */
- return (fib_forw_chain_type_from_dpo_proto(
- fib_entry->fe_prefix.fp_payload_proto));
+ return (FIB_FORW_CHAIN_TYPE_MPLS_EOS);
else
return (FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS);
}
return (FIB_FORW_CHAIN_TYPE_UNICAST_IP4);
}
+u8 *
+format_fib_source (u8 * s, va_list * args)
+{
+ fib_source_t source = va_arg (*args, int);
+
+ s = format (s, "src:%s", fib_source_names[source]);
+
+ return (s);
+}
+
u8 *
format_fib_entry (u8 * s, va_list * args)
{
fib_forward_chain_type_t fct;
fib_entry_attribute_t attr;
- fib_path_ext_t *path_ext;
fib_entry_t *fib_entry;
fib_entry_src_t *src;
fib_node_index_t fei;
FOR_EACH_SRC_ADDED(fib_entry, src, source,
({
- s = format (s, "\n src:%s ",
- fib_source_names[source]);
+ s = format (s, "\n %U", format_fib_source, source);
s = fib_entry_src_format(fib_entry, source, s);
s = format (s, " refs:%d ", src->fes_ref_count);
if (FIB_ENTRY_FLAG_NONE != src->fes_entry_flags) {
{
s = fib_path_list_format(src->fes_pl, s);
}
- if (NULL != src->fes_path_exts)
- {
- s = format(s, " Extensions:");
- vec_foreach(path_ext, src->fes_path_exts)
- {
- s = format(s, "\n %U", format_fib_path_ext, path_ext);
- }
- }
+ s = format(s, "%U", format_fib_path_ext_list, &src->fes_path_exts);
}));
s = format (s, "\n forwarding: ");
static fib_entry_t*
fib_entry_from_fib_node (fib_node_t *node)
{
-#if CLIB_DEBUG > 0
ASSERT(FIB_NODE_TYPE_ENTRY == node->fn_type);
-#endif
return ((fib_entry_t*)node);
}
FIB_ENTRY_DBG(fib_entry, "last-lock");
fib_node_deinit(&fib_entry->fe_node);
- // FIXME -RR Backwalk
ASSERT(0 == vec_len(fib_entry->fe_delegates));
vec_free(fib_entry->fe_delegates);
- vec_free(fib_entry->fe_srcs);
+ if (fib_entry_has_multiple_srcs(fib_entry))
+ {
+ vec_free(fib_entry->fe_u_src.fe_srcs);
+ }
pool_put(fib_entry_pool, fib_entry);
}
-static fib_entry_src_t*
+static const fib_entry_src_t*
fib_entry_get_best_src_i (const fib_entry_t *fib_entry)
{
- fib_entry_src_t *bsrc;
+ const fib_entry_src_t *bsrc;
/*
* the enum of sources is deliberately arranged in priority order
*/
- if (0 == vec_len(fib_entry->fe_srcs))
+ if (fib_entry_has_multiple_srcs(fib_entry))
{
- bsrc = NULL;
+ ASSERT(vec_len(fib_entry->fe_u_src.fe_srcs));
+
+ bsrc = vec_elt_at_index(fib_entry->fe_u_src.fe_srcs, 0);
}
else
{
- bsrc = vec_elt_at_index(fib_entry->fe_srcs, 0);
+ bsrc = &fib_entry->fe_u_src.fe_src;
}
return (bsrc);
{
return (esrc->fes_src);
}
- return (FIB_SOURCE_MAX);
+ return (FIB_SOURCE_INVALID);
}
static fib_entry_flag_t
return (FIB_ENTRY_FLAG_NONE);
}
+fib_entry_flag_t
+fib_entry_get_flags_i (const fib_entry_t *fib_entry)
+{
+ const fib_entry_src_t *esrc;
+
+ esrc = fib_entry_get_best_src_i(fib_entry);
+
+ ASSERT(esrc);
+
+ return (esrc->fes_entry_flags);
+}
+
fib_entry_flag_t
fib_entry_get_flags (fib_node_index_t fib_entry_index)
{
pool_foreach(entry, fib_entry_pool,
({
- n_srcs += vec_len(entry->fe_srcs);
- vec_foreach(esrc, entry->fe_srcs)
- {
- n_exts += vec_len(esrc->fes_path_exts);
- }
+ if (fib_entry_has_multiple_srcs(entry))
+ {
+ n_srcs += vec_len(entry->fe_u_src.fe_srcs);
+ vec_foreach(esrc, entry->fe_u_src.fe_srcs)
+ {
+ n_exts += fib_path_ext_list_length(&esrc->fes_path_exts);
+ }
+ }
+ else
+ {
+ n_exts += fib_path_ext_list_length(&entry->fe_u_src.fe_src.fes_path_exts);
+ }
}));
fib_show_memory_usage("Entry Source",
return (fib_path_list_contribute_urpf(fib_entry->fe_parent, urpf));
}
+/*
+ * If the client is request a chain for multicast forwarding then swap
+ * the chain type to one that can provide such transport.
+ */
+static fib_forward_chain_type_t
+fib_entry_chain_type_mcast_to_ucast (fib_forward_chain_type_t fct)
+{
+ switch (fct)
+ {
+ case FIB_FORW_CHAIN_TYPE_MCAST_IP4:
+ case FIB_FORW_CHAIN_TYPE_MCAST_IP6:
+ /*
+ * we can only transport IP multicast packets if there is an
+ * LSP.
+ */
+ fct = FIB_FORW_CHAIN_TYPE_MPLS_EOS;
+ break;
+ case FIB_FORW_CHAIN_TYPE_MPLS_EOS:
+ case FIB_FORW_CHAIN_TYPE_UNICAST_IP4:
+ case FIB_FORW_CHAIN_TYPE_UNICAST_IP6:
+ case FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS:
+ case FIB_FORW_CHAIN_TYPE_ETHERNET:
+ case FIB_FORW_CHAIN_TYPE_NSH:
+ case FIB_FORW_CHAIN_TYPE_BIER:
+ break;
+ }
+
+ return (fct);
+}
+
/*
* fib_entry_contribute_forwarding
*
fib_entry = fib_entry_get(fib_entry_index);
+ /*
+ * mfib children ask for mcast chains. fix these to the appropriate ucast types.
+ */
+ fct = fib_entry_chain_type_mcast_to_ucast(fct);
+
if (fct == fib_entry_get_default_chain_type(fib_entry))
{
dpo_copy(dpo, &fib_entry->fe_lb);
dpo_copy(dpo, &fed->fd_dpo);
}
+ /*
+ * don't allow the special index indicating replicate.vs.load-balance
+ * to escape to the clients
+ */
+ dpo->dpoi_index &= ~MPLS_IS_REPLICATE;
}
const dpo_id_t *
const dpo_id_t *dpo;
dpo = fib_entry_contribute_ip_forwarding(fib_entry_index);
- dpo = load_balance_get_bucket(dpo->dpoi_index, 0);
- if (dpo_is_adj(dpo))
+ if (dpo_id_is_valid(dpo))
{
- return (dpo->dpoi_index);
+ dpo = load_balance_get_bucket(dpo->dpoi_index, 0);
+
+ if (dpo_is_adj(dpo))
+ {
+ return (dpo->dpoi_index);
+ }
}
return (ADJ_INDEX_INVALID);
}
fib_entry_flag_t flags,
const dpo_id_t *dpo)
{
+ const fib_entry_src_t *bsrc;
fib_source_t best_source;
fib_entry_flag_t bflags;
fib_entry_t *fib_entry;
- fib_entry_src_t *bsrc;
fib_entry = fib_entry_get(fib_entry_index);
fib_entry_flag_t flags,
const dpo_id_t *dpo)
{
+ const fib_entry_src_t *bsrc;
fib_source_t best_source;
fib_entry_flag_t bflags;
fib_entry_t *fib_entry;
- fib_entry_src_t *bsrc;
fib_entry = fib_entry_get(fib_entry_index);
fib_entry_flag_t flags,
const fib_route_path_t *rpath)
{
+ const fib_entry_src_t *bsrc;
fib_source_t best_source;
fib_entry_flag_t bflags;
fib_entry_t *fib_entry;
- fib_entry_src_t *bsrc;
ASSERT(1 == vec_len(rpath));
fib_source_t source,
const fib_route_path_t *rpath)
{
+ const fib_entry_src_t *bsrc;
fib_entry_src_flag_t sflag;
fib_source_t best_source;
fib_entry_flag_t bflags;
fib_entry_t *fib_entry;
- fib_entry_src_t *bsrc;
ASSERT(1 == vec_len(rpath));
bsrc = fib_entry_get_best_src_i(fib_entry);
best_source = fib_entry_src_get_source(bsrc);
- if (FIB_SOURCE_MAX == best_source) {
+ if (FIB_SOURCE_INVALID == best_source) {
/*
* no more sources left. this entry is toast.
*/
fib_entry_special_remove (fib_node_index_t fib_entry_index,
fib_source_t source)
{
+ const fib_entry_src_t *bsrc;
fib_entry_src_flag_t sflag;
fib_source_t best_source;
fib_entry_flag_t bflags;
fib_entry_t *fib_entry;
- fib_entry_src_t *bsrc;
fib_entry = fib_entry_get(fib_entry_index);
ASSERT(NULL != fib_entry);
bsrc = fib_entry_get_best_src_i(fib_entry);
best_source = fib_entry_src_get_source(bsrc);
- if (FIB_SOURCE_MAX == best_source) {
+ if (FIB_SOURCE_INVALID == best_source) {
/*
* no more sources left. this entry is toast.
*/
fib_entry_flag_t flags,
const fib_route_path_t *paths)
{
+ const fib_entry_src_t *bsrc;
fib_source_t best_source;
fib_entry_flag_t bflags;
fib_entry_t *fib_entry;
- fib_entry_src_t *bsrc;
fib_entry = fib_entry_get(fib_entry_index);
ASSERT(NULL != fib_entry);
fib_source_t
fib_entry_get_best_source (fib_node_index_t entry_index)
{
+ const fib_entry_src_t *bsrc;
fib_entry_t *fib_entry;
- fib_entry_src_t *bsrc;
fib_entry = fib_entry_get(entry_index);
if (NULL == fed)
{
/*
- * no BFD tracking - resolved
+ * no BFD tracking - consider it resolved.
*/
return (!0);
}
}
}
+void
+fib_entry_set_flow_hash_config (fib_node_index_t fib_entry_index,
+ flow_hash_config_t hash_config)
+{
+ fib_entry_t *fib_entry;
+
+ fib_entry = fib_entry_get(fib_entry_index);
+
+ /*
+ * pass the hash-config on to the load-balance object where it is cached.
+ * we can ignore LBs in the delegate chains, since they will not be of the
+ * correct protocol type (i.e. they are not IP)
+ * There's no way, nor need, to change the hash config for MPLS.
+ */
+ if (dpo_id_is_valid(&fib_entry->fe_lb))
+ {
+ load_balance_t *lb;
+
+ ASSERT(DPO_LOAD_BALANCE == fib_entry->fe_lb.dpoi_type);
+
+ lb = load_balance_get(fib_entry->fe_lb.dpoi_index);
+
+ /*
+ * atomic update for packets in flight
+ */
+ lb->lb_hash_config = hash_config;
+ }
+}
+
static int
fib_ip4_address_compare (const ip4_address_t * a1,
const ip4_address_t * a2)
Code Review / vpp.git / blobdiff