vcl: enable gso for 'sendmsg' in LDP mode.

[vpp.git] / src / vcl / vppcom.h

diff --git a/src/vcl/vppcom.h b/src/vcl/vppcom.h
index c2a625e..c9f7b8b 100644 (file)
--- a/src/vcl/vppcom.h
+++ b/src/vcl/vppcom.h
@@ -42,6 +42,7 @@ extern "C"
 #define VPPCOM_ENV_APP_NAMESPACE_SECRET        "VCL_APP_NAMESPACE_SECRET"
 #define VPPCOM_ENV_APP_SCOPE_LOCAL             "VCL_APP_SCOPE_LOCAL"
 #define VPPCOM_ENV_APP_SCOPE_GLOBAL            "VCL_APP_SCOPE_GLOBAL"
+#define VPPCOM_ENV_APP_USE_MQ_EVENTFD          "VCL_APP_USE_MQ_EVENTFD"
 #define VPPCOM_ENV_VPP_API_SOCKET              "VCL_VPP_API_SOCKET"
 #define VPPCOM_ENV_VPP_SAPI_SOCKET             "VCL_VPP_SAPI_SOCKET"
 
@@ -62,6 +63,23 @@ extern "C"
     VPPCOM_IS_IP4,
   } vppcom_is_ip4_t;
 
+#define VCL_UDP_OPTS_BASE (VPPCOM_PROTO_UDP << 16)
+#define VCL_UDP_SEGMENT          (VCL_UDP_OPTS_BASE + 0)
+
+  typedef struct vppcom_endpt_tlv_t_
+  {
+    uint32_t data_type;
+    uint32_t data_len;
+    union
+    {
+      /* data */
+      uint64_t value;
+      uint32_t as_u32[2];
+      uint16_t as_u16[4];
+      uint8_t as_u8[8];
+    };
+  } vppcom_endpt_tlv_t;
+
   typedef struct vppcom_endpt_t_
   {
     uint8_t is_cut_thru;
@@ -69,6 +87,7 @@ extern "C"
     uint8_t *ip;
     uint16_t port;
     uint64_t parent_handle;
+    vppcom_endpt_tlv_t app_data;
   } vppcom_endpt_t;
 
 typedef uint32_t vcl_session_handle_t;
@@ -99,7 +118,10 @@ typedef enum
   VPPCOM_ETIMEDOUT = -ETIMEDOUT,
   VPPCOM_EEXIST = -EEXIST,
   VPPCOM_ENOPROTOOPT = -ENOPROTOOPT,
+  VPPCOM_EPIPE = -EPIPE,
   VPPCOM_ENOENT = -ENOENT,
+  VPPCOM_EADDRINUSE = -EADDRINUSE,
+  VPPCOM_ENOTSUP = -ENOTSUP
 } vppcom_error_t;
 
 typedef enum
@@ -138,14 +160,13 @@ typedef enum
   VPPCOM_ATTR_SET_TCP_KEEPINTVL,
   VPPCOM_ATTR_GET_TCP_USER_MSS,
   VPPCOM_ATTR_SET_TCP_USER_MSS,
-  VPPCOM_ATTR_SET_SHUT,
-  VPPCOM_ATTR_GET_SHUT,
   VPPCOM_ATTR_SET_CONNECTED,
   VPPCOM_ATTR_SET_CKPAIR,
   VPPCOM_ATTR_SET_VRF,
   VPPCOM_ATTR_GET_VRF,
   VPPCOM_ATTR_GET_DOMAIN,
   VPPCOM_ATTR_SET_ENDPT_EXT_CFG,
+  VPPCOM_ATTR_SET_DSCP,
 } vppcom_attr_op_t;
 
 typedef struct _vcl_poll
@@ -174,7 +195,7 @@ extern int vppcom_app_create (const char *app_name);
 extern void vppcom_app_destroy (void);
 
 extern int vppcom_session_create (uint8_t proto, uint8_t is_nonblocking);
-extern int vppcom_session_shutdown (uint32_t session_handle);
+extern int vppcom_session_shutdown (uint32_t session_handle, int how);
 extern int vppcom_session_close (uint32_t session_handle);
 extern int vppcom_session_bind (uint32_t session_handle, vppcom_endpt_t * ep);
 extern int vppcom_session_listen (uint32_t session_handle, uint32_t q_len);
@@ -263,6 +284,21 @@ extern void vppcom_worker_index_set (int);
  */
 extern int vppcom_worker_mqs_epfd (void);
 
+/**
+ * Returns Session error
+ *
+ * Application can use this API to find the detailed session error
+ */
+extern int vppcom_session_get_error (uint32_t session_handle);
+
+/**
+ * Returns true if current worker is disconnected from vpp
+ *
+ * Application can use this API to check if VPP is disconnected
+ * as long as `use-mq-eventfd` is being set
+ */
+extern int vppcom_worker_is_detached (void);
+
 /* *INDENT-OFF* */
 #ifdef __cplusplus
 }