api: register endian handlers for reply messages
[vpp.git] / src / vlibapi / api_helper_macros.h
index ce80f0e..8fc0bd5 100644 (file)
@@ -43,6 +43,25 @@ do {                                                                    \
     vl_api_send_msg (rp, (u8 *)rmp);                                    \
 } while(0);
 
+#define REPLY_MACRO_END(t)                                              \
+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 = t+(REPLY_MSG_ID_BASE);                            \
+    rmp->context = mp->context;                                         \
+    rmp->retval = rv;                                                   \
+    api_main_t *am = vlibapi_get_main ();                              \
+    void (*endian_fp) (void *);                                                \
+    endian_fp = am->msg_endian_handlers[t+(REPLY_MSG_ID_BASE)];                \
+    (*endian_fp) (rmp);                                                        \
+    vl_api_send_msg (rp, (u8 *)rmp);                                    \
+} while(0);
+
 #define REPLY_MACRO2(t, body)                                           \
 do {                                                                    \
     vl_api_registration_t *rp;                                          \
@@ -59,6 +78,66 @@ do {                                                                    \
     vl_api_send_msg (rp, (u8 *)rmp);                                    \
 } while(0);
 
+#define REPLY_MACRO2_END(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 = t+(REPLY_MSG_ID_BASE);                            \
+    rmp->context = mp->context;                                         \
+    rmp->retval = rv;                                                   \
+    do {body;} while (0);                                               \
+    api_main_t *am = vlibapi_get_main ();                              \
+    void (*endian_fp) (void *);                                                \
+    endian_fp = am->msg_endian_handlers[t+(REPLY_MSG_ID_BASE)];                \
+    (*endian_fp) (rmp);                                                        \
+    vl_api_send_msg (rp, (u8 *)rmp);                                    \
+} while(0);
+
+#define REPLY_MACRO2_ZERO(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_zero (sizeof (*rmp));                        \
+    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_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;                                          \
@@ -75,6 +154,22 @@ do {                                                                    \
     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;                                          \
@@ -94,7 +189,7 @@ do {                                                                    \
         if (!rmp)                                                       \
           return;                                                       \
                                                                         \
-        memset (rmp, 0, sizeof (*rmp));                                 \
+        clib_memset (rmp, 0, sizeof (*rmp));                                 \
         rv = VNET_API_ERROR_TABLE_TOO_BIG;                              \
         is_error = 1;                                                   \
       }                                                                 \
@@ -106,6 +201,34 @@ do {                                                                    \
     vl_api_send_msg (rp, (u8 *)rmp);                                    \
 } while(0);
 
+#define REPLY_AND_DETAILS_MACRO(t, p, 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 (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);
+
 /* "trust, but verify" */
 
 static inline uword
@@ -115,7 +238,7 @@ vnet_sw_if_index_is_api_valid (u32 sw_if_index)
 }
 
 #define VALIDATE_SW_IF_INDEX(mp)                               \
- do { u32 __sw_if_index = ntohl(mp->sw_if_index);              \
+ do { u32 __sw_if_index = ntohl((mp)->sw_if_index);            \
     if (!vnet_sw_if_index_is_api_valid(__sw_if_index)) {        \
         rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;                \
         goto bad_sw_if_index;                                   \
@@ -129,7 +252,7 @@ bad_sw_if_index:                                \
 } while (0);
 
 #define VALIDATE_RX_SW_IF_INDEX(mp)                            \
- do { u32 __rx_sw_if_index = ntohl(mp->rx_sw_if_index);                \
+ do { u32 __rx_sw_if_index = ntohl((mp)->rx_sw_if_index);       \
     if (!vnet_sw_if_index_is_api_valid(__rx_sw_if_index)) {     \
         rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;                \
         goto bad_rx_sw_if_index;                               \
@@ -183,7 +306,7 @@ static void vl_api_want_##lca##_t_handler (                             \
     p = hash_get (vam->lca##_registration_hash, mp->client_index);      \
     if (p) {                                                            \
         if (mp->enable_disable) {                                       \
-            clib_warning ("pid %d: already enabled...", mp->pid);       \
+           clib_warning ("pid %d: already enabled...", ntohl(mp->pid)); \
             rv = VNET_API_ERROR_INVALID_REGISTRATION;                   \
             goto reply;                                                 \
         } else {                                                        \
@@ -207,7 +330,25 @@ static void vl_api_want_##lca##_t_handler (                             \
                                                                         \
 reply:                                                                  \
     REPLY_MACRO (VL_API_WANT_##UCA##_REPLY);                            \
-}
+}                                                                       \
+                                                                        \
+static clib_error_t * vl_api_want_##lca##_t_reaper (u32 client_index)   \
+{                                                                       \
+    vpe_api_main_t *vam = &vpe_api_main;                                \
+    vpe_client_registration_t *rp;                                      \
+    uword *p;                                                           \
+                                                                        \
+    p = hash_get (vam->lca##_registration_hash, client_index);          \
+    if (p)                                                              \
+      {                                                                 \
+        rp = pool_elt_at_index (vam->lca##_registrations, p[0]);        \
+        pool_put (vam->lca##_registrations, rp);                        \
+        hash_unset (vam->lca##_registration_hash, client_index);        \
+      }                                                                 \
+    return (NULL);                                                      \
+}                                                                       \
+                                                                        \
+VL_MSG_API_REAPER_FUNCTION (vl_api_want_##lca##_t_reaper);              \
 
 #define foreach_registration_hash               \
 _(interface_events)                             \
@@ -217,10 +358,10 @@ _(to_netconf_client)                            \
 _(from_netconf_client)                          \
 _(oam_events)                                   \
 _(bfd_events)                                   \
-_(wc_ip6_nd_events)                             \
-_(wc_ip4_arp_events)                            \
+_(l2_arp_term_events)                           \
 _(ip6_ra_events)                                \
-_(dhcp6_pd_reply_events)
+_(dhcp6_pd_reply_events)                        \
+_(dhcp6_reply_events)
 
 typedef struct
 {
@@ -228,24 +369,16 @@ typedef struct
   u32 client_pid;
 } vpe_client_registration_t;
 
-struct _vl_api_ip4_arp_event;
-struct _vl_api_ip6_nd_event;
-
 typedef struct
 {
-#define _(a) uword *a##_registration_hash;              \
-    vpe_client_registration_t * a##_registrations;
+#define _(a)                                            \
+  uword *a##_registration_hash;                         \
+  vpe_client_registration_t * a##_registrations;
   foreach_registration_hash
 #undef _
     /* notifications happen really early in the game */
   u8 link_state_process_up;
 
-  /* ip4 arp event registration pool */
-  struct _vl_api_ip4_arp_event *arp_events;
-
-  /* ip6 nd event registration pool */
-  struct _vl_api_ip6_nd_event *nd_events;
-
   /* convenience */
   vlib_main_t *vlib_main;
   vnet_main_t *vnet_main;