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authorNeale Ranns <nranns@cisco.com>2018-02-23 05:29:09 -0800
committerDamjan Marion <dmarion.lists@gmail.com>2018-03-09 11:59:58 +0000
commit31ed74407643595fdce206e9d7487108fb8b33ab (patch)
treec22c3703c30b7d457b858fe899f56e57613cbb52 /src/vnet/fib/fib_path_ext.h
parent8f931a47b0fa58d5d33a792062650a42ff8bef70 (diff)
MPLS Unifom mode
- support both pipe and uniform modes for all MPLS LSP - all API programming for output-labels requires that the mode (and associated data) is specificed - API changes in MPLS, BIER and IP are involved - new DPO [sub] types for MPLS labels to handle the two modes. Change-Id: I87b76401e996f10dfbdbe4552ff6b19af958783c Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/fib/fib_path_ext.h')
-rw-r--r--src/vnet/fib/fib_path_ext.h34
1 files changed, 33 insertions, 1 deletions
diff --git a/src/vnet/fib/fib_path_ext.h b/src/vnet/fib/fib_path_ext.h
index d07941c108b..b49fd977a20 100644
--- a/src/vnet/fib/fib_path_ext.h
+++ b/src/vnet/fib/fib_path_ext.h
@@ -60,6 +60,32 @@ typedef enum fib_path_ext_adj_flags_t_
_item++)
/**
+ * Flags present on an MPLS label sourced path-extension
+ */
+typedef enum fib_path_ext_mpls_attr_t_
+{
+ /**
+ * Do not decrement the TTL of IP packet during imposition
+ */
+ FIB_PATH_EXT_MPLS_ATTR_NO_IP_TTL_DECR,
+} fib_path_ext_mpls_attr_t;
+
+typedef enum fib_path_ext_mpls_flags_t_
+{
+ FIB_PATH_EXT_MPLS_FLAG_NONE = 0,
+ FIB_PATH_EXT_MPLS_FLAG_NO_IP_TTL_DECR = (1 << FIB_PATH_EXT_MPLS_ATTR_NO_IP_TTL_DECR),
+} fib_path_ext_mpls_flags_t;
+
+#define FIB_PATH_EXT_MPLS_ATTR_NAMES { \
+ [FIB_PATH_EXT_MPLS_ATTR_NO_IP_TTL_DECR] = "no-ip-tll-decr", \
+}
+
+#define FOR_EACH_PATH_EXT_MPLS_ATTR(_item) \
+ for (_item = FIB_PATH_EXT_MPLS_ATTR_NO_IP_TTL_DECR; \
+ _item <= FIB_PATH_EXT_MPLS_ATTR_NO_IP_TTL_DECR; \
+ _item++)
+
+/**
* A path extension is a per-entry addition to the forwarding information
* when packets are sent for that entry over that path.
*
@@ -86,6 +112,12 @@ typedef struct fib_path_ext_t_
* Flags describing the adj state
*/
fib_path_ext_adj_flags_t fpe_adj_flags;
+ /**
+ * For an MPLS type extension
+ *
+ * Flags describing the mpls state
+ */
+ fib_path_ext_mpls_flags_t fpe_mpls_flags;
};
/**
@@ -98,7 +130,7 @@ typedef struct fib_path_ext_t_
* position in the path-list.
*/
fib_node_index_t fpe_path_index;
-} __attribute__ ((packed)) fib_path_ext_t;
+} __attribute__ ((packed)) fib_path_ext_t;
extern u8 * format_fib_path_ext(u8 * s, va_list * args);