session: add support for listen proxies

Listener proxies are allowed to listen on IPs that are not local.
Configurable only by builtin apps for now.

Type: improvement

Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: Idb380ee3584a088878a03d45fd85e7bb0deeb590

1 files changed, 18 insertions, 1 deletions

diff --git a/src/vnet/session/session_types.h b/src/vnet/session/session_types.h
index 8a8571bc9ee..7cfa6716187 100644
--- a/src/vnet/session/session_types.h
+++ b/src/vnet/session/session_types.h
@@ -36,6 +36,23 @@ typedef struct _session_endpoint
 #undef _
 } session_endpoint_t;
 
+#define foreach_session_endpoint_cfg_flags _ (PROXY_LISTEN, "proxy listener")
+
+typedef enum session_endpoint_cfg_flags_bits_
+{
+#define _(sym, str) SESSION_ENDPT_CFG_F_BIT_##sym,
+  foreach_session_endpoint_cfg_flags
+#undef _
+} __clib_packed session_endpoint_cfg_flags_bits_t;
+
+typedef enum session_endpoint_cfg_flags_
+{
+#define _(sym, str)                                                           \
+  SESSION_ENDPT_CFG_F_##sym = 1 << SESSION_ENDPT_CFG_F_BIT_##sym,
+  foreach_session_endpoint_cfg_flags
+#undef _
+} __clib_packed session_endpoint_cfg_flags_t;
+
 typedef struct _session_endpoint_cfg
 {
 #define _(type, name) type name;
@@ -46,7 +63,7 @@ typedef struct _session_endpoint_cfg
   u32 ns_index;
   u8 original_tp;
   u64 parent_handle;
-  u8 flags;
+  session_endpoint_cfg_flags_t flags;
   transport_endpt_ext_cfg_t *ext_cfg;
 } session_endpoint_cfg_t;