#include <vnet/fib/fib_internal.h>
#include <vnet/fib/fib_urpf_list.h>
#include <vnet/fib/mpls_fib.h>
+#include <vnet/fib/fib_path_ext.h>
#include <vnet/udp/udp_encap.h>
#include <vnet/bier/bier_fmask.h>
#include <vnet/bier/bier_table.h>
*/
FIB_PATH_TYPE_INTF_RX,
/**
- * interface receive.
+ * Path resolves via a UDP encap object.
*/
FIB_PATH_TYPE_UDP_ENCAP,
/**
*/
static fib_path_t *fib_path_pool;
+/**
+ * the logger
+ */
+vlib_log_class_t fib_path_logger;
+
/*
* Debug macro
*/
-#ifdef FIB_DEBUG
-#define FIB_PATH_DBG(_p, _fmt, _args...) \
-{ \
- u8 *_tmp = NULL; \
- _tmp = fib_path_format(fib_path_get_index(_p), _tmp); \
- clib_warning("path:[%d:%U]:" _fmt, \
- fib_path_get_index(_p), format_fib_path, _p, 0,\
- ##_args); \
- vec_free(_tmp); \
+#define FIB_PATH_DBG(_p, _fmt, _args...) \
+{ \
+ vlib_log_debug (fib_path_logger, \
+ "[%U]: " _fmt, \
+ format_fib_path, fib_path_get_index(_p), 0, \
+ FIB_PATH_FORMAT_FLAGS_ONE_LINE, \
+ ##_args); \
}
-#else
-#define FIB_PATH_DBG(_p, _fmt, _args...)
-#endif
static fib_path_t *
fib_path_get (fib_node_index_t index)
{
fib_node_index_t path_index = va_arg (*args, fib_node_index_t);
u32 indent = va_arg (*args, u32);
+ fib_format_path_flags_t flags = va_arg (*args, fib_format_path_flags_t);
vnet_main_t * vnm = vnet_get_main();
fib_path_oper_attribute_t oattr;
fib_path_cfg_attribute_t cattr;
fib_path_t *path;
+ const char *eol;
+
+ if (flags & FIB_PATH_FORMAT_FLAGS_ONE_LINE)
+ {
+ eol = "";
+ }
+ else
+ {
+ eol = "\n";
+ }
path = fib_path_get(path_index);
}
}
}
- s = format(s, "\n%U", format_white_space, indent+2);
+ if (!(flags & FIB_PATH_FORMAT_FLAGS_ONE_LINE))
+ s = format(s, "\n%U", format_white_space, indent+2);
switch (path->fp_type)
{
}
if (!dpo_id_is_valid(&path->fp_dpo))
{
- s = format(s, "\n%Uunresolved", format_white_space, indent+2);
+ s = format(s, "%s%Uunresolved", eol, format_white_space, indent+2);
}
else
{
- s = format(s, "\n%U%U",
+ s = format(s, "%s%U%U", eol,
format_white_space, indent,
format_dpo_id,
&path->fp_dpo, 13);
vnm,
path->dvr.fp_interface));
break;
+ case FIB_PATH_TYPE_DEAG:
+ s = format (s, " %sfib-index:%d",
+ (path->fp_cfg_flags & FIB_PATH_CFG_FLAG_RPF_ID ? "m" : ""),
+ path->deag.fp_tbl_id);
+ break;
case FIB_PATH_TYPE_RECEIVE:
case FIB_PATH_TYPE_INTF_RX:
case FIB_PATH_TYPE_SPECIAL:
- case FIB_PATH_TYPE_DEAG:
case FIB_PATH_TYPE_EXCLUSIVE:
if (dpo_id_is_valid(&path->fp_dpo))
{
return (s);
}
-u8 *
-fib_path_format (fib_node_index_t pi, u8 *s)
-{
- fib_path_t *path;
-
- path = fib_path_get(pi);
- ASSERT(NULL != path);
-
- return (format (s, "%U", format_fib_path, path));
-}
-
/*
* fib_path_last_lock_gone
*
else
{
return (adj_glean_add_or_lock(dpo_proto_to_fib(path->fp_nh_proto),
+ link,
path->attached.fp_interface,
NULL));
}
case FIB_PATH_TYPE_RECURSIVE:
if (FIB_NODE_INDEX_INVALID != path->fp_via_fib)
{
- fib_prefix_t pfx;
-
- fib_entry_get_prefix(path->fp_via_fib, &pfx);
fib_entry_child_remove(path->fp_via_fib,
path->fp_sibling);
fib_table_entry_special_remove(path->recursive.fp_tbl_id,
- &pfx,
+ fib_entry_get_prefix(path->fp_via_fib),
FIB_SOURCE_RR);
+ fib_table_unlock(path->recursive.fp_tbl_id,
+ dpo_proto_to_fib(path->fp_nh_proto),
+ FIB_SOURCE_RR);
path->fp_via_fib = FIB_NODE_INDEX_INVALID;
}
break;
adj_unlock(path->fp_dpo.dpoi_index);
break;
case FIB_PATH_TYPE_UDP_ENCAP:
- udp_encap_unlock_w_index(path->fp_dpo.dpoi_index);
+ udp_encap_unlock(path->fp_dpo.dpoi_index);
break;
case FIB_PATH_TYPE_EXCLUSIVE:
dpo_reset(&path->exclusive.fp_ex_dpo);
path = fib_path_from_fib_node(node);
+ FIB_PATH_DBG(path, "bw:%U",
+ format_fib_node_bw_reason, ctx->fnbw_reason);
+
switch (path->fp_type)
{
case FIB_PATH_TYPE_RECURSIVE:
fib_path_t *path;
pool_get(fib_path_pool, path);
- memset(path, 0, sizeof(*path));
+ clib_memset(path, 0, sizeof(*path));
fib_node_init(&path->fp_node,
FIB_NODE_TYPE_PATH);
path->fp_type = FIB_PATH_TYPE_DVR;
path->dvr.fp_interface = rpath->frp_sw_if_index;
}
+ else if (rpath->frp_flags & FIB_ROUTE_PATH_EXCLUSIVE)
+ {
+ path->fp_type = FIB_PATH_TYPE_EXCLUSIVE;
+ dpo_copy(&path->exclusive.fp_ex_dpo, &rpath->dpo);
+ }
else if (~0 != rpath->frp_sw_if_index)
{
if (ip46_address_is_zero(&rpath->frp_addr))
{
path->fp_type = FIB_PATH_TYPE_DEAG;
path->deag.fp_tbl_id = rpath->frp_fib_index;
- }
+ path->deag.fp_rpf_id = ~0;
+ }
}
else
{
fib_path_t *path;
pool_get(fib_path_pool, path);
- memset(path, 0, sizeof(*path));
+ clib_memset(path, 0, sizeof(*path));
fib_node_init(&path->fp_node,
FIB_NODE_TYPE_PATH);
path->fp_oper_flags = FIB_PATH_OPER_FLAG_NONE;
path->fp_pl_index = path_list_index;
path->fp_via_fib = FIB_NODE_INDEX_INVALID;
- memset(&path->fp_dpo, 0, sizeof(path->fp_dpo));
+ clib_memset(&path->fp_dpo, 0, sizeof(path->fp_dpo));
dpo_reset(&path->fp_dpo);
return (fib_path_get_index(path));
case FIB_PATH_TYPE_DVR:
res = (path1->dvr.fp_interface - path2->dvr.fp_interface);
break;
+ case FIB_PATH_TYPE_EXCLUSIVE:
+ res = dpo_cmp(&path1->exclusive.fp_ex_dpo, &path2->exclusive.fp_ex_dpo);
+ break;
case FIB_PATH_TYPE_SPECIAL:
case FIB_PATH_TYPE_RECEIVE:
- case FIB_PATH_TYPE_EXCLUSIVE:
res = 0;
break;
}
case FIB_PATH_TYPE_DVR:
res = (path->dvr.fp_interface - rpath->frp_sw_if_index);
break;
+ case FIB_PATH_TYPE_EXCLUSIVE:
+ res = dpo_cmp(&path->exclusive.fp_ex_dpo, &rpath->dpo);
+ break;
case FIB_PATH_TYPE_SPECIAL:
case FIB_PATH_TYPE_RECEIVE:
- case FIB_PATH_TYPE_EXCLUSIVE:
res = 0;
break;
}
{
/*
* no loop here yet. keep forward walking the graph.
- */
+ */
if (fib_entry_recursive_loop_detect(path->fp_via_fib, entry_indicies))
{
FIB_PATH_DBG(path, "recursive loop formed");
}
case FIB_PATH_TYPE_ATTACHED_NEXT_HOP:
case FIB_PATH_TYPE_ATTACHED:
+ if (adj_recursive_loop_detect(path->fp_dpo.dpoi_index,
+ entry_indicies))
+ {
+ FIB_PATH_DBG(path, "recursive loop formed");
+ path->fp_oper_flags |= FIB_PATH_OPER_FLAG_RECURSIVE_LOOP;
+ }
+ else
+ {
+ FIB_PATH_DBG(path, "recursive loop cleared");
+ path->fp_oper_flags &= ~FIB_PATH_OPER_FLAG_RECURSIVE_LOOP;
+ }
+ break;
case FIB_PATH_TYPE_SPECIAL:
case FIB_PATH_TYPE_DEAG:
case FIB_PATH_TYPE_DVR:
fib_prefix_from_ip46_addr(&path->recursive.fp_nh.fp_ip, &pfx);
}
+ fib_table_lock(path->recursive.fp_tbl_id,
+ dpo_proto_to_fib(path->fp_nh_proto),
+ FIB_SOURCE_RR);
fei = fib_table_entry_special_add(path->recursive.fp_tbl_id,
&pfx,
FIB_SOURCE_RR,
case FIB_PATH_TYPE_BIER_IMP:
break;
}
- return (~0);
+ return (dpo_get_urpf(&path->fp_dpo));
}
index_t
void
fib_path_stack_mpls_disp (fib_node_index_t path_index,
dpo_proto_t payload_proto,
+ fib_mpls_lsp_mode_t mode,
dpo_id_t *dpo)
{
fib_path_t *path;
dpo_id_t tmp = DPO_INVALID;
dpo_copy(&tmp, dpo);
- dpo_set(dpo,
- DPO_MPLS_DISPOSITION,
- payload_proto,
- mpls_disp_dpo_create(payload_proto, ~0, &tmp));
+
+ mpls_disp_dpo_create(payload_proto, ~0, mode, &tmp, dpo);
dpo_reset(&tmp);
break;
}
dpo_id_t tmp = DPO_INVALID;
dpo_copy(&tmp, dpo);
- dpo_set(dpo,
- DPO_MPLS_DISPOSITION,
- payload_proto,
- mpls_disp_dpo_create(payload_proto,
- path->deag.fp_rpf_id,
- &tmp));
+
+ mpls_disp_dpo_create(payload_proto,
+ path->deag.fp_rpf_id,
+ mode, &tmp, dpo);
dpo_reset(&tmp);
break;
}
ASSERT(path);
ASSERT(FIB_FORW_CHAIN_TYPE_MPLS_EOS != fct);
- FIB_PATH_DBG(path, "contribute");
-
/*
* The DPO stored in the path was created when the path was resolved.
* This then represents the path's 'native' protocol; IP.
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_MCAST_IP4:
+ case FIB_FORW_CHAIN_TYPE_MCAST_IP6:
{
adj_index_t ai;
break;
}
- case FIB_FORW_CHAIN_TYPE_MCAST_IP4:
- case FIB_FORW_CHAIN_TYPE_MCAST_IP6:
case FIB_FORW_CHAIN_TYPE_BIER:
break;
}
ASSERT(path);
+ vec_add2(hash_key, mnh, 1);
+
+ mnh->path_weight = path->fp_weight;
+ mnh->path_index = path_index;
+
if (fib_path_is_resolved(path_index))
{
- vec_add2(hash_key, mnh, 1);
-
- mnh->path_weight = path->fp_weight;
- mnh->path_index = path_index;
- fib_path_contribute_forwarding(path_index, fct, &mnh->path_dpo);
+ fib_path_contribute_forwarding(path_index, fct, &mnh->path_dpo);
+ }
+ else
+ {
+ dpo_copy(&mnh->path_dpo,
+ drop_dpo_get(fib_forw_chain_type_to_dpo_proto(fct)));
}
-
return (hash_key);
}
fib_path_list_walk_rc_t
fib_path_encode (fib_node_index_t path_list_index,
- fib_node_index_t path_index,
+ fib_node_index_t path_index,
+ const fib_path_ext_t *path_ext,
void *ctx)
{
fib_route_path_encode_t **api_rpaths = ctx;
api_rpath->rpath.frp_preference = path->fp_preference;
api_rpath->rpath.frp_proto = path->fp_nh_proto;
api_rpath->rpath.frp_sw_if_index = ~0;
+ api_rpath->rpath.frp_fib_index = 0;
api_rpath->dpo = path->fp_dpo;
switch (path->fp_type)
- {
+ {
case FIB_PATH_TYPE_RECEIVE:
api_rpath->rpath.frp_addr = path->receive.fp_addr;
api_rpath->rpath.frp_sw_if_index = path->receive.fp_interface;
break;
case FIB_PATH_TYPE_DEAG:
api_rpath->rpath.frp_fib_index = path->deag.fp_tbl_id;
+ if (path->fp_cfg_flags & FIB_PATH_CFG_FLAG_RPF_ID)
+ {
+ api_rpath->rpath.frp_flags |= FIB_ROUTE_PATH_RPF_ID;
+ }
break;
case FIB_PATH_TYPE_RECURSIVE:
api_rpath->rpath.frp_addr = path->recursive.fp_nh.fp_ip;
+ api_rpath->rpath.frp_fib_index = path->recursive.fp_tbl_id;
break;
+ case FIB_PATH_TYPE_DVR:
+ api_rpath->rpath.frp_sw_if_index = path->dvr.fp_interface;
+ api_rpath->rpath.frp_flags |= FIB_ROUTE_PATH_DVR;
+ break;
+ case FIB_PATH_TYPE_UDP_ENCAP:
+ api_rpath->rpath.frp_udp_encap_id = path->udp_encap.fp_udp_encap_id;
+ api_rpath->rpath.frp_flags |= FIB_ROUTE_PATH_UDP_ENCAP;
+ break;
+ case FIB_PATH_TYPE_INTF_RX:
+ api_rpath->rpath.frp_sw_if_index = path->receive.fp_interface;
+ api_rpath->rpath.frp_flags |= FIB_ROUTE_PATH_INTF_RX;
+ break;
default:
break;
- }
+ }
+
+ if (path_ext && path_ext->fpe_type == FIB_PATH_EXT_MPLS)
+ {
+ api_rpath->rpath.frp_label_stack = path_ext->fpe_path.frp_label_stack;
+ }
return (FIB_PATH_LIST_WALK_CONTINUE);
}
fib_path_module_init (void)
{
fib_node_register_type (FIB_NODE_TYPE_PATH, &fib_path_vft);
+ fib_path_logger = vlib_log_register_class ("fib", "path");
}
static clib_error_t *
if (!pool_is_free_index(fib_path_pool, pi))
{
path = fib_path_get(pi);
- u8 *s = format(NULL, "%U", format_fib_path, pi, 1);
- s = format(s, "children:");
+ u8 *s = format(NULL, "%U", format_fib_path, pi, 1,
+ FIB_PATH_FORMAT_FLAGS_NONE);
+ s = format(s, "\n children:");
s = fib_node_children_format(path->fp_node.fn_children, s);
vlib_cli_output (vm, "%s", s);
vec_free(s);
vlib_cli_output (vm, "FIB Paths");
pool_foreach_index (pi, fib_path_pool,
({
- vlib_cli_output (vm, "%U", format_fib_path, pi, 0);
+ vlib_cli_output (vm, "%U", format_fib_path, pi, 0,
+ FIB_PATH_FORMAT_FLAGS_NONE);
}));
}
Code Review / vpp.git / blobdiff