tls: dtls initial implementation

Type: feature

Basic dtls transport protocol implementation that relies on openssl
wire protocol implementation. Retries/timeouts not yet supported.

To test using vcl test apps, first ensure all arp entries are properly
resolved and subsequently:

server: vcl_server -p dtls 1234
client: vcl_client -p dtls <server-ip> 1234 -U -N 2000000 -T 1460 -X

Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: I04b4516a8fe9ce85ba230bcdd891f33a900046ed

1 files changed, 24 insertions, 23 deletions

diff --git a/src/vcl/vppcom.h b/src/vcl/vppcom.h
index 6e3c2784db6..1d2fa5df1ba 100644
--- a/src/vcl/vppcom.h
+++ b/src/vcl/vppcom.h
@@ -45,29 +45,30 @@ extern "C"
 #define VPPCOM_ENV_VPP_API_SOCKET           	"VCL_VPP_API_SOCKET"
 #define VPPCOM_ENV_VPP_SAPI_SOCKET		"VCL_VPP_SAPI_SOCKET"
 
-typedef enum
-{
-  VPPCOM_PROTO_TCP = 0,
-  VPPCOM_PROTO_UDP,
-  VPPCOM_PROTO_NONE,
-  VPPCOM_PROTO_TLS,
-  VPPCOM_PROTO_QUIC,
-} vppcom_proto_t;
-
-typedef enum
-{
-  VPPCOM_IS_IP6 = 0,
-  VPPCOM_IS_IP4,
-} vppcom_is_ip4_t;
-
-typedef struct vppcom_endpt_t_
-{
-  uint8_t is_cut_thru;
-  uint8_t is_ip4;
-  uint8_t *ip;
-  uint16_t port;
-  uint64_t parent_handle;
-} vppcom_endpt_t;
+  typedef enum
+  {
+    VPPCOM_PROTO_TCP = 0,
+    VPPCOM_PROTO_UDP,
+    VPPCOM_PROTO_NONE,
+    VPPCOM_PROTO_TLS,
+    VPPCOM_PROTO_QUIC,
+    VPPCOM_PROTO_DTLS,
+  } vppcom_proto_t;
+
+  typedef enum
+  {
+    VPPCOM_IS_IP6 = 0,
+    VPPCOM_IS_IP4,
+  } vppcom_is_ip4_t;
+
+  typedef struct vppcom_endpt_t_
+  {
+    uint8_t is_cut_thru;
+    uint8_t is_ip4;
+    uint8_t *ip;
+    uint16_t port;
+    uint64_t parent_handle;
+  } vppcom_endpt_t;
 
 typedef uint32_t vcl_session_handle_t;