fib: format functions for path

Type: improvement

Signed-off-by: Neale Ranns <nranns@cisco.com>
Change-Id: Ib7a9e457cb2462e6ce9e5e2af53d1f997f4ae6cf

2 files changed, 72 insertions, 0 deletions

diff --git a/src/vnet/fib/fib_types.c b/src/vnet/fib/fib_types.c
index dcb1c3a659c..b5576161d80 100644
--- a/src/vnet/fib/fib_types.c
+++ b/src/vnet/fib/fib_types.c
@@ -92,6 +92,68 @@ fib_prefix_from_ip46_addr (const ip46_address_t *addr,
     pfx->___fp___pad = 0;
 }
 
+u8 *
+format_fib_route_path_flags (u8 *s, va_list *ap)
+{
+    fib_route_path_flags_t flags = va_arg (*ap, fib_route_path_flags_t);
+
+    if (flags & FIB_ROUTE_PATH_RESOLVE_VIA_HOST)
+        s = format (s, "via-host");
+    if (flags & FIB_ROUTE_PATH_RESOLVE_VIA_ATTACHED)
+        s = format (s, "via-attached,");
+    if (flags & FIB_ROUTE_PATH_LOCAL)
+        s = format (s, "local,");
+    if (flags & FIB_ROUTE_PATH_ATTACHED)
+        s = format (s, "attached,");
+    if (flags & FIB_ROUTE_PATH_DROP)
+         s = format (s, "drop,");
+   if (flags & FIB_ROUTE_PATH_EXCLUSIVE)
+        s = format (s, "exclusive,");
+    if (flags & FIB_ROUTE_PATH_INTF_RX)
+        s = format (s, "intf-rx,");
+    if (flags & FIB_ROUTE_PATH_RPF_ID)
+        s = format (s, "rpf-id,");
+    if (flags & FIB_ROUTE_PATH_SOURCE_LOOKUP)
+        s = format (s, "src-lkup,");
+    if (flags & FIB_ROUTE_PATH_UDP_ENCAP)
+        s = format (s, "udp-encap,");
+    if (flags & FIB_ROUTE_PATH_BIER_FMASK)
+        s = format (s, "bier-fmask,");
+    if (flags & FIB_ROUTE_PATH_BIER_TABLE)
+        s = format (s, "bier-table,");
+    if (flags & FIB_ROUTE_PATH_BIER_IMP)
+        s = format (s, "bier-imp,");
+    if (flags & FIB_ROUTE_PATH_DEAG)
+        s = format (s, "deag,");
+    if (flags & FIB_ROUTE_PATH_DVR)
+        s = format (s, "dvr,");
+    if (flags & FIB_ROUTE_PATH_ICMP_UNREACH)
+        s = format (s, "imcp-unreach,");
+    if (flags & FIB_ROUTE_PATH_ICMP_PROHIBIT)
+        s = format (s, "icmp-prohibit,");
+    if (flags & FIB_ROUTE_PATH_CLASSIFY)
+        s = format (s, "classify,");
+    if (flags & FIB_ROUTE_PATH_POP_PW_CW)
+        s = format (s, "pop-pw-cw,");
+
+    return (s);
+}
+
+u8 *
+format_fib_route_path (u8 *s, va_list *ap)
+{
+    fib_route_path_t *rpath = va_arg (*ap, fib_route_path_t*);
+
+    s = format (s, "%U %U, %U, [%U]",
+                format_dpo_proto, rpath->frp_proto,
+                format_ip46_address, &rpath->frp_addr, IP46_TYPE_ANY,
+                format_vnet_sw_if_index_name, vnet_get_main (),
+                rpath->frp_sw_if_index,
+                format_fib_route_path_flags, rpath->frp_flags);
+
+    return (s);
+}
+
 void
 fib_prefix_from_mpls_label (mpls_label_t label,
                             mpls_eos_bit_t eos,
diff --git a/src/vnet/fib/fib_types.h b/src/vnet/fib/fib_types.h
index 333b2abd240..f5e53038c2d 100644
--- a/src/vnet/fib/fib_types.h
+++ b/src/vnet/fib/fib_types.h
@@ -397,6 +397,11 @@ typedef enum fib_route_path_flags_t_
 } fib_route_path_flags_t;
 
 /**
+ * Format route path flags
+ */
+extern u8 * format_fib_route_path_flags(u8 *s, va_list *ap);
+
+/**
  * An RPF-ID is numerical value that is used RPF validate. An entry
  * has-a RPF-ID, when a packet egress from (e.g. an LSP) it gains an
  * RPF-ID, these two are compared for the RPF check.
@@ -601,6 +606,11 @@ typedef struct fib_route_path_t_ {
 extern uword unformat_fib_route_path(unformat_input_t * input, va_list * args);
 
 /**
+ * Format route path flags
+ */
+extern u8 * format_fib_route_path(u8 *s, va_list *ap);
+
+/**
  * A help string to list the FIB path options
  */
 #define FIB_ROUTE_PATH_HELP "[next-hop-address] [next-hop-interface] [next-hop-table <value>] [weight <value>] [preference <value>] [udp-encap-id <value>] [ip4-lookup-in-table <value>] [ip6-lookup-in-table <value>] [mpls-lookup-in-table <value>] [resolve-via-host] [resolve-via-connected] [rx-ip4 <interface>] [out-labels <value value value>]"