+#define REPLY_MACRO_DETAILS2(t, body) \
+do { \
+ vl_api_registration_t *rp; \
+ rv = vl_msg_api_pd_handler (mp, rv); \
+ rp = vl_api_client_index_to_registration (mp->client_index); \
+ if (rp == 0) \
+ return; \
+ \
+ rmp = vl_msg_api_alloc (sizeof (*rmp)); \
+ rmp->_vl_msg_id = htons((t)+(REPLY_MSG_ID_BASE)); \
+ rmp->context = mp->context; \
+ do {body;} while (0); \
+ vl_api_send_msg (rp, (u8 *)rmp); \
+} while(0);
+
+#define REPLY_MACRO_DETAILS4(t, rp, context, body) \
+do { \
+ rmp = vl_msg_api_alloc (sizeof (*rmp)); \
+ rmp->_vl_msg_id = htons((t)+(REPLY_MSG_ID_BASE)); \
+ rmp->context = context; \
+ do {body;} while (0); \
+ vl_api_send_msg (rp, (u8 *)rmp); \
+} while(0);
+
+#define REPLY_MACRO3(t, n, body) \
+do { \
+ vl_api_registration_t *rp; \
+ rv = vl_msg_api_pd_handler (mp, rv); \
+ rp = vl_api_client_index_to_registration (mp->client_index); \
+ if (rp == 0) \
+ return; \
+ \
+ rmp = vl_msg_api_alloc (sizeof (*rmp) + n); \
+ rmp->_vl_msg_id = htons((t)+(REPLY_MSG_ID_BASE)); \
+ rmp->context = mp->context; \
+ rmp->retval = ntohl(rv); \
+ do {body;} while (0); \
+ vl_api_send_msg (rp, (u8 *)rmp); \
+} while(0);
+
+#define REPLY_MACRO3_ZERO(t, n, body) \
+do { \
+ vl_api_registration_t *rp; \
+ rv = vl_msg_api_pd_handler (mp, rv); \
+ rp = vl_api_client_index_to_registration (mp->client_index); \
+ if (rp == 0) \
+ return; \
+ \
+ rmp = vl_msg_api_alloc_zero (sizeof (*rmp) + n); \
+ rmp->_vl_msg_id = htons((t)+(REPLY_MSG_ID_BASE)); \
+ rmp->context = mp->context; \
+ rmp->retval = ntohl(rv); \
+ do {body;} while (0); \
+ vl_api_send_msg (rp, (u8 *)rmp); \
+} while(0);
+
+#define REPLY_MACRO4(t, n, body) \
+do { \
+ vl_api_registration_t *rp; \
+ u8 is_error = 0; \
+ rv = vl_msg_api_pd_handler (mp, rv); \
+ \
+ rp = vl_api_client_index_to_registration (mp->client_index); \
+ if (rp == 0) \
+ return; \
+ \
+ rmp = vl_msg_api_alloc_or_null (sizeof (*rmp) + n); \
+ if (!rmp) \
+ { \
+ /* if there isn't enough memory, try to allocate */ \
+ /* some at least for returning an error */ \
+ rmp = vl_msg_api_alloc (sizeof (*rmp)); \
+ if (!rmp) \
+ return; \
+ \
+ clib_memset (rmp, 0, sizeof (*rmp)); \
+ rv = VNET_API_ERROR_TABLE_TOO_BIG; \
+ is_error = 1; \
+ } \
+ rmp->_vl_msg_id = htons((t)+(REPLY_MSG_ID_BASE)); \
+ rmp->context = mp->context; \
+ rmp->retval = ntohl(rv); \
+ if (!is_error) \
+ do {body;} while (0); \
+ vl_api_send_msg (rp, (u8 *)rmp); \
+} while(0);
+
+#define REPLY_AND_DETAILS_MACRO(t, p, body) \
+ do \
+ { \
+ if (pool_elts (p) == 0) \
+ { \
+ REPLY_MACRO (t); \
+ break; \
+ } \
+ vl_api_registration_t *rp; \
+ rp = vl_api_client_index_to_registration (mp->client_index); \
+ if (rp == 0) \
+ return; \
+ u32 cursor = clib_net_to_host_u32 (mp->cursor); \
+ vlib_main_t *vm = vlib_get_main (); \
+ f64 start = vlib_time_now (vm); \
+ if (pool_is_free_index (p, cursor)) \
+ { \
+ cursor = pool_next_index (p, cursor); \
+ if (cursor == ~0) \
+ rv = VNET_API_ERROR_INVALID_VALUE; \
+ } \
+ while (cursor != ~0) \
+ { \
+ do \
+ { \
+ body; \
+ } \
+ while (0); \
+ cursor = pool_next_index (p, cursor); \
+ if (vl_api_process_may_suspend (vm, rp, start)) \
+ { \
+ if (cursor != ~0) \
+ rv = VNET_API_ERROR_EAGAIN; \
+ break; \
+ } \
+ } \
+ REPLY_MACRO2 (t, ({ rmp->cursor = clib_host_to_net_u32 (cursor); })); \
+ } \
+ while (0);
+
+#define REPLY_AND_DETAILS_VEC_MACRO(t, v, mp, rmp, rv, body) \
+do { \
+ vl_api_registration_t *rp; \
+ rp = vl_api_client_index_to_registration (mp->client_index); \
+ if (rp == 0) \
+ return; \
+ u32 cursor = clib_net_to_host_u32 (mp->cursor); \
+ vlib_main_t *vm = vlib_get_main (); \
+ f64 start = vlib_time_now (vm); \
+ if (!v || vec_len (v) == 0) { \
+ cursor = ~0; \
+ rv = VNET_API_ERROR_INVALID_VALUE; \
+ } else if (cursor == ~0) \
+ cursor = 0; \
+ while (cursor != ~0 && cursor < vec_len (v)) { \
+ do {body;} while (0); \
+ ++cursor; \
+ if (vl_api_process_may_suspend (vm, rp, start)) { \
+ if (cursor < vec_len (v)) \
+ rv = VNET_API_ERROR_EAGAIN; \
+ break; \
+ } \
+ } \
+ REPLY_MACRO2 (t, ({ \
+ rmp->cursor = clib_host_to_net_u32 (cursor); \
+ })); \
+} while(0);
+
+
+/* "trust, but verify" */
+#define vnet_sw_if_index_is_api_valid(sw_if_index) \
+ vnet_sw_interface_is_api_valid (vnet_get_main (), sw_if_index)