session: add support for DSCP

[vpp.git] / src / vnet / session / transport_types.h

diff --git a/src/vnet/session/transport_types.h b/src/vnet/session/transport_types.h
index f0fc285..188c21a 100644 (file)
--- a/src/vnet/session/transport_types.h
+++ b/src/vnet/session/transport_types.h
@@ -106,6 +106,7 @@ typedef struct _transport_connection
   u32 c_index;                 /**< Connection index in transport pool */
   u32 thread_index;            /**< Worker-thread index */
   u8 flags;                    /**< Transport specific flags */
+  u8 dscp;                     /**< Differentiated Services Code Point */
 
   /*fib_node_index_t rmt_fei;
      dpo_id_t rmt_dpo; */
@@ -146,8 +147,8 @@ typedef struct _transport_connection
 #define c_stats connection.stats
 #define c_pacer connection.pacer
 #define c_flags connection.flags
+#define c_dscp          connection.dscp
 #define s_ho_handle pacer.bytes_per_sec
-#define c_s_ho_handle connection.pacer.bytes_per_sec
 } transport_connection_t;
 
 STATIC_ASSERT (STRUCT_OFFSET_OF (transport_connection_t, s_index)
@@ -164,7 +165,8 @@ STATIC_ASSERT (sizeof (transport_connection_t) <= 128,
   _ (NONE, "ct", "C")                                                         \
   _ (TLS, "tls", "J")                                                         \
   _ (QUIC, "quic", "Q")                                                       \
-  _ (DTLS, "dtls", "D")
+  _ (DTLS, "dtls", "D")                                                       \
+  _ (SRTP, "srtp", "R")
 
 typedef enum _transport_proto
 {
@@ -202,11 +204,16 @@ typedef enum transport_endpt_cfg_flags_
   TRANSPORT_CFG_F_UNIDIRECTIONAL = 1 << 1,
 } transport_endpt_cfg_flags_t;
 
+/* clang-format off */
 #define foreach_transport_endpoint_cfg_fields                          \
   foreach_transport_endpoint_fields                                    \
-  _(transport_endpoint_t, peer)                                                \
-  _(u16, mss)                                                          \
-  _(u8, transport_flags)                                               \
+  _ (transport_endpoint_t, peer)                                       \
+  _ (u32, next_node_index)                                             \
+  _ (u32, next_node_opaque)                                            \
+  _ (u16, mss)                                                         \
+  _ (u8, dscp) \
+  _ (u8, transport_flags)                                              \
+/* clang-format on */
 
 typedef struct transport_endpoint_pair_
 {
@@ -220,9 +227,17 @@ typedef struct transport_endpoint_pair_
   _ (GSO)                                                                     \
   _ (RATE_SAMPLING)
 
+typedef enum transport_endpt_attr_flag_bit_
+{
+#define _(name) TRANSPORT_ENDPT_ATTR_F_BIT_##name,
+  foreach_transport_endpt_cfg_flags
+#undef _
+} __clib_packed transport_endpt_attr_flag_bit_t;
+
 typedef enum transport_endpt_attr_flag_
 {
-#define _(name) TRANSPORT_ENDPT_ATTR_F_##name,
+#define _(name)                                                               \
+  TRANSPORT_ENDPT_ATTR_F_##name = 1 << TRANSPORT_ENDPT_ATTR_F_BIT_##name,
   foreach_transport_endpt_cfg_flags
 #undef _
 } __clib_packed transport_endpt_attr_flag_t;
@@ -251,6 +266,30 @@ typedef struct transport_endpt_attr_
   };
 } transport_endpt_attr_t;
 
+typedef enum transport_endpt_ext_cfg_type_
+{
+  TRANSPORT_ENDPT_EXT_CFG_NONE,
+  TRANSPORT_ENDPT_EXT_CFG_CRYPTO,
+} transport_endpt_ext_cfg_type_t;
+
+typedef struct transport_endpt_crypto_cfg_
+{
+  u32 ckpair_index;
+  u8 crypto_engine;
+  u8 hostname[256]; /**< full domain len is 255 as per rfc 3986 */
+} transport_endpt_crypto_cfg_t;
+
+typedef struct transport_endpt_ext_cfg_
+{
+  u16 type;
+  u16 len;
+  union
+  {
+    transport_endpt_crypto_cfg_t crypto;
+    u8 data[0];
+  };
+} transport_endpt_ext_cfg_t;
+
 typedef clib_bihash_24_8_t transport_endpoint_table_t;
 
 #define ENDPOINT_INVALID_INDEX ((u32)~0)