ipsec: add ipsec set async mode api
[vpp.git] / src / vnet / ipsec / ipsec_api.c
index 6784f0b..f623cce 100644 (file)
@@ -24,6 +24,8 @@
 #include <vnet/api_errno.h>
 #include <vnet/ip/ip.h>
 #include <vnet/ip/ip_types_api.h>
+#include <vnet/ipsec/ipsec_types_api.h>
+#include <vnet/tunnel/tunnel_types_api.h>
 #include <vnet/fib/fib.h>
 #include <vnet/ipip/ipip.h>
 
@@ -32,6 +34,7 @@
 #if WITH_LIBSSL > 0
 #include <vnet/ipsec/ipsec.h>
 #include <vnet/ipsec/ipsec_tun.h>
+#include <vnet/ipsec/ipsec_itf.h>
 #endif /* IPSEC */
 
 #define vl_typedefs            /* define message structures */
@@ -59,13 +62,17 @@ _(IPSEC_SA_DUMP, ipsec_sa_dump)                                 \
 _(IPSEC_SPDS_DUMP, ipsec_spds_dump)                             \
 _(IPSEC_SPD_DUMP, ipsec_spd_dump)                               \
 _(IPSEC_SPD_INTERFACE_DUMP, ipsec_spd_interface_dump)          \
+_(IPSEC_ITF_CREATE, ipsec_itf_create)                           \
+_(IPSEC_ITF_DELETE, ipsec_itf_delete)                           \
+_(IPSEC_ITF_DUMP, ipsec_itf_dump)                               \
 _(IPSEC_TUNNEL_IF_ADD_DEL, ipsec_tunnel_if_add_del)             \
 _(IPSEC_TUNNEL_IF_SET_SA, ipsec_tunnel_if_set_sa)               \
 _(IPSEC_SELECT_BACKEND, ipsec_select_backend)                   \
 _(IPSEC_BACKEND_DUMP, ipsec_backend_dump)                       \
 _(IPSEC_TUNNEL_PROTECT_UPDATE, ipsec_tunnel_protect_update)     \
 _(IPSEC_TUNNEL_PROTECT_DEL, ipsec_tunnel_protect_del)           \
-_(IPSEC_TUNNEL_PROTECT_DUMP, ipsec_tunnel_protect_dump)
+_(IPSEC_TUNNEL_PROTECT_DUMP, ipsec_tunnel_protect_dump)         \
+_(IPSEC_SET_ASYNC_MODE, ipsec_set_async_mode)
 
 static void
 vl_api_ipsec_spd_add_del_t_handler (vl_api_ipsec_spd_add_del_t * mp)
@@ -115,6 +122,7 @@ static void vl_api_ipsec_tunnel_protect_update_t_handler
   vlib_main_t *vm __attribute__ ((unused)) = vlib_get_main ();
   vl_api_ipsec_tunnel_protect_update_reply_t *rmp;
   u32 sw_if_index, ii, *sa_ins = NULL;
+  ip_address_t nh;
   int rv;
 
   sw_if_index = ntohl (mp->tunnel.sw_if_index);
@@ -126,7 +134,9 @@ static void vl_api_ipsec_tunnel_protect_update_t_handler
   for (ii = 0; ii < mp->tunnel.n_sa_in; ii++)
     vec_add1 (sa_ins, ntohl (mp->tunnel.sa_in[ii]));
 
-  rv = ipsec_tun_protect_update (sw_if_index,
+  ip_address_decode2 (&mp->tunnel.nh, &nh);
+
+  rv = ipsec_tun_protect_update (sw_if_index, &nh,
                                 ntohl (mp->tunnel.sa_out), sa_ins);
 #else
   rv = VNET_API_ERROR_UNIMPLEMENTED;
@@ -142,15 +152,17 @@ static void vl_api_ipsec_tunnel_protect_del_t_handler
 {
   vlib_main_t *vm __attribute__ ((unused)) = vlib_get_main ();
   vl_api_ipsec_tunnel_protect_del_reply_t *rmp;
-  int rv;
+  ip_address_t nh;
   u32 sw_if_index;
+  int rv;
 
   sw_if_index = ntohl (mp->sw_if_index);
 
   VALIDATE_SW_IF_INDEX (mp);
 
 #if WITH_LIBSSL > 0
-  rv = ipsec_tun_protect_del (sw_if_index);
+  ip_address_decode2 (&mp->nh, &nh);
+  rv = ipsec_tun_protect_del (sw_if_index, &nh);
 #else
   rv = VNET_API_ERROR_UNIMPLEMENTED;
 #endif
@@ -172,24 +184,26 @@ send_ipsec_tunnel_protect_details (index_t itpi, void *arg)
   ipsec_dump_walk_ctx_t *ctx = arg;
   vl_api_ipsec_tunnel_protect_details_t *mp;
   ipsec_tun_protect_t *itp;
-  u32 sai, ii = 0;
+  u32 ii = 0;
+  ipsec_sa_t *sa;
 
   itp = ipsec_tun_protect_get (itpi);
 
-
   mp = vl_msg_api_alloc (sizeof (*mp) + (sizeof (u32) * itp->itp_n_sa_in));
   clib_memset (mp, 0, sizeof (*mp));
   mp->_vl_msg_id = ntohs (VL_API_IPSEC_TUNNEL_PROTECT_DETAILS);
   mp->context = ctx->context;
 
   mp->tun.sw_if_index = htonl (itp->itp_sw_if_index);
+  ip_address_encode2 (itp->itp_key, &mp->tun.nh);
 
-  mp->tun.sa_out = htonl (itp->itp_out_sa);
+  sa = ipsec_sa_get (itp->itp_out_sa);
+  mp->tun.sa_out = htonl (sa->id);
   mp->tun.n_sa_in = itp->itp_n_sa_in;
   /* *INDENT-OFF* */
-  FOR_EACH_IPSEC_PROTECT_INPUT_SAI(itp, sai,
+  FOR_EACH_IPSEC_PROTECT_INPUT_SA(itp, sa,
   ({
-    mp->tun.sa_in[ii++] = htonl (sai);
+    mp->tun.sa_in[ii++] = htonl (sa->id);
   }));
   /* *INDENT-ON* */
 
@@ -223,12 +237,8 @@ vl_api_ipsec_tunnel_protect_dump_t_handler (vl_api_ipsec_tunnel_protect_dump_t
     }
   else
     {
-      index_t itpi;
-
-      itpi = ipsec_tun_protect_find (sw_if_index);
-
-      if (INDEX_INVALID != itpi)
-       send_ipsec_tunnel_protect_details (itpi, &ctx);
+      ipsec_tun_protect_walk_itf (sw_if_index,
+                                 send_ipsec_tunnel_protect_details, &ctx);
     }
 #else
   clib_warning ("unimplemented");
@@ -321,153 +331,6 @@ out:
   /* *INDENT-ON* */
 }
 
-static int
-ipsec_proto_decode (vl_api_ipsec_proto_t in, ipsec_protocol_t * out)
-{
-  in = clib_net_to_host_u32 (in);
-
-  switch (in)
-    {
-    case IPSEC_API_PROTO_ESP:
-      *out = IPSEC_PROTOCOL_ESP;
-      return (0);
-    case IPSEC_API_PROTO_AH:
-      *out = IPSEC_PROTOCOL_AH;
-      return (0);
-    }
-  return (VNET_API_ERROR_INVALID_PROTOCOL);
-}
-
-static vl_api_ipsec_proto_t
-ipsec_proto_encode (ipsec_protocol_t p)
-{
-  switch (p)
-    {
-    case IPSEC_PROTOCOL_ESP:
-      return clib_host_to_net_u32 (IPSEC_API_PROTO_ESP);
-    case IPSEC_PROTOCOL_AH:
-      return clib_host_to_net_u32 (IPSEC_API_PROTO_AH);
-    }
-  return (VNET_API_ERROR_UNIMPLEMENTED);
-}
-
-static int
-ipsec_crypto_algo_decode (vl_api_ipsec_crypto_alg_t in,
-                         ipsec_crypto_alg_t * out)
-{
-  in = clib_net_to_host_u32 (in);
-
-  switch (in)
-    {
-#define _(v,f,s) case IPSEC_API_CRYPTO_ALG_##f: \
-      *out = IPSEC_CRYPTO_ALG_##f;              \
-      return (0);
-      foreach_ipsec_crypto_alg
-#undef _
-    }
-  return (VNET_API_ERROR_INVALID_ALGORITHM);
-}
-
-static vl_api_ipsec_crypto_alg_t
-ipsec_crypto_algo_encode (ipsec_crypto_alg_t c)
-{
-  switch (c)
-    {
-#define _(v,f,s) case IPSEC_CRYPTO_ALG_##f:                     \
-      return clib_host_to_net_u32(IPSEC_API_CRYPTO_ALG_##f);
-      foreach_ipsec_crypto_alg
-#undef _
-    case IPSEC_CRYPTO_N_ALG:
-      break;
-    }
-  ASSERT (0);
-  return (VNET_API_ERROR_UNIMPLEMENTED);
-}
-
-static int
-ipsec_integ_algo_decode (vl_api_ipsec_integ_alg_t in, ipsec_integ_alg_t * out)
-{
-  in = clib_net_to_host_u32 (in);
-
-  switch (in)
-    {
-#define _(v,f,s) case IPSEC_API_INTEG_ALG_##f:  \
-      *out = IPSEC_INTEG_ALG_##f;               \
-      return (0);
-      foreach_ipsec_integ_alg
-#undef _
-    }
-  return (VNET_API_ERROR_INVALID_ALGORITHM);
-}
-
-static vl_api_ipsec_integ_alg_t
-ipsec_integ_algo_encode (ipsec_integ_alg_t i)
-{
-  switch (i)
-    {
-#define _(v,f,s) case IPSEC_INTEG_ALG_##f:                      \
-      return (clib_host_to_net_u32(IPSEC_API_INTEG_ALG_##f));
-      foreach_ipsec_integ_alg
-#undef _
-    case IPSEC_INTEG_N_ALG:
-      break;
-    }
-  ASSERT (0);
-  return (VNET_API_ERROR_UNIMPLEMENTED);
-}
-
-static void
-ipsec_key_decode (const vl_api_key_t * key, ipsec_key_t * out)
-{
-  ipsec_mk_key (out, key->data, key->length);
-}
-
-static void
-ipsec_key_encode (const ipsec_key_t * in, vl_api_key_t * out)
-{
-  out->length = in->len;
-  clib_memcpy (out->data, in->data, out->length);
-}
-
-static ipsec_sa_flags_t
-ipsec_sa_flags_decode (vl_api_ipsec_sad_flags_t in)
-{
-  ipsec_sa_flags_t flags = IPSEC_SA_FLAG_NONE;
-  in = clib_net_to_host_u32 (in);
-
-  if (in & IPSEC_API_SAD_FLAG_USE_ESN)
-    flags |= IPSEC_SA_FLAG_USE_ESN;
-  if (in & IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY)
-    flags |= IPSEC_SA_FLAG_USE_ANTI_REPLAY;
-  if (in & IPSEC_API_SAD_FLAG_IS_TUNNEL)
-    flags |= IPSEC_SA_FLAG_IS_TUNNEL;
-  if (in & IPSEC_API_SAD_FLAG_IS_TUNNEL_V6)
-    flags |= IPSEC_SA_FLAG_IS_TUNNEL_V6;
-  if (in & IPSEC_API_SAD_FLAG_UDP_ENCAP)
-    flags |= IPSEC_SA_FLAG_UDP_ENCAP;
-
-  return (flags);
-}
-
-static vl_api_ipsec_sad_flags_t
-ipsec_sad_flags_encode (const ipsec_sa_t * sa)
-{
-  vl_api_ipsec_sad_flags_t flags = IPSEC_API_SAD_FLAG_NONE;
-
-  if (ipsec_sa_is_set_USE_ESN (sa))
-    flags |= IPSEC_API_SAD_FLAG_USE_ESN;
-  if (ipsec_sa_is_set_USE_ANTI_REPLAY (sa))
-    flags |= IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY;
-  if (ipsec_sa_is_set_IS_TUNNEL (sa))
-    flags |= IPSEC_API_SAD_FLAG_IS_TUNNEL;
-  if (ipsec_sa_is_set_IS_TUNNEL_V6 (sa))
-    flags |= IPSEC_API_SAD_FLAG_IS_TUNNEL_V6;
-  if (ipsec_sa_is_set_UDP_ENCAP (sa))
-    flags |= IPSEC_API_SAD_FLAG_UDP_ENCAP;
-
-  return clib_host_to_net_u32 (flags);
-}
-
 static void vl_api_ipsec_sad_entry_add_del_t_handler
   (vl_api_ipsec_sad_entry_add_del_t * mp)
 {
@@ -517,7 +380,8 @@ static void vl_api_ipsec_sad_entry_add_del_t_handler
                                crypto_alg, &crypto_key,
                                integ_alg, &integ_key, flags,
                                0, mp->entry.salt, &tun_src, &tun_dst,
-                               &sa_index);
+                               &sa_index, htons (mp->entry.udp_src_port),
+                               htons (mp->entry.udp_dst_port));
   else
     rv = ipsec_sa_unlock_id (id);
 
@@ -791,7 +655,9 @@ vl_api_ipsec_tunnel_if_add_del_t_handler (vl_api_ipsec_tunnel_if_add_del_t *
       rv = ipip_add_tunnel (transport,
                            (mp->renumber ? ntohl (mp->show_instance) : ~0),
                            &local_ip,
-                           &remote_ip, fib_index, 0, &sw_if_index);
+                           &remote_ip, fib_index,
+                           TUNNEL_ENCAP_DECAP_FLAG_NONE, IP_DSCP_CS0,
+                           TUNNEL_MODE_P2P, &sw_if_index);
 
       if (rv)
        goto done;
@@ -805,7 +671,8 @@ vl_api_ipsec_tunnel_if_add_del_t_handler (vl_api_ipsec_tunnel_if_add_del_t *
                                  &integ_key,
                                  (flags | IPSEC_SA_FLAG_IS_INBOUND),
                                  ntohl (mp->tx_table_id),
-                                 mp->salt, &remote_ip, &local_ip, NULL);
+                                 mp->salt, &remote_ip, &local_ip, NULL,
+                                 IPSEC_UDP_PORT_NONE, IPSEC_UDP_PORT_NONE);
 
       if (rv)
        goto done;
@@ -819,12 +686,13 @@ vl_api_ipsec_tunnel_if_add_del_t_handler (vl_api_ipsec_tunnel_if_add_del_t *
                                  &integ_key,
                                  flags,
                                  ntohl (mp->tx_table_id),
-                                 mp->salt, &local_ip, &remote_ip, NULL);
+                                 mp->salt, &local_ip, &remote_ip, NULL,
+                                 IPSEC_UDP_PORT_NONE, IPSEC_UDP_PORT_NONE);
 
       if (rv)
        goto done;
 
-      rv = ipsec_tun_protect_update_one (sw_if_index,
+      rv = ipsec_tun_protect_update_one (sw_if_index, NULL,
                                         ipsec_tun_mk_output_sa_id
                                         (sw_if_index),
                                         ipsec_tun_mk_input_sa_id
@@ -855,7 +723,7 @@ vl_api_ipsec_tunnel_if_add_del_t_handler (vl_api_ipsec_tunnel_if_add_del_t *
 
       if (NULL != t)
        {
-         rv = ipsec_tun_protect_del (t->sw_if_index);
+         rv = ipsec_tun_protect_del (t->sw_if_index, NULL);
          ipip_del_tunnel (t->sw_if_index);
        }
       else
@@ -874,6 +742,43 @@ done:
   /* *INDENT-ON* */
 }
 
+static void
+vl_api_ipsec_itf_create_t_handler (vl_api_ipsec_itf_create_t * mp)
+{
+  vl_api_ipsec_itf_create_reply_t *rmp;
+  tunnel_mode_t mode;
+  u32 sw_if_index = ~0;
+  int rv;
+
+  rv = tunnel_mode_decode (mp->itf.mode, &mode);
+
+  if (!rv)
+    rv = ipsec_itf_create (ntohl (mp->itf.user_instance), mode, &sw_if_index);
+
+  /* *INDENT-OFF* */
+  REPLY_MACRO2 (VL_API_IPSEC_ITF_CREATE_REPLY,
+  ({
+    rmp->sw_if_index = htonl (sw_if_index);
+  }));
+  /* *INDENT-ON* */
+}
+
+static void
+vl_api_ipsec_itf_delete_t_handler (vl_api_ipsec_itf_delete_t * mp)
+{
+  vl_api_ipsec_itf_delete_reply_t *rmp;
+  int rv;
+
+  rv = ipsec_itf_delete (ntohl (mp->sw_if_index));
+
+  REPLY_MACRO (VL_API_IPSEC_ITF_DELETE_REPLY);
+}
+
+static void
+vl_api_ipsec_itf_dump_t_handler (vl_api_ipsec_itf_dump_t * mp)
+{
+}
+
 typedef struct ipsec_sa_dump_match_ctx_t_
 {
   index_t sai;
@@ -955,6 +860,11 @@ send_ipsec_sa_details (ipsec_sa_t * sa, void *arg)
       ip_address_encode (&sa->tunnel_dst_addr, IP46_TYPE_ANY,
                         &mp->entry.tunnel_dst);
     }
+  if (ipsec_sa_is_set_UDP_ENCAP (sa))
+    {
+      mp->entry.udp_src_port = sa->udp_hdr.src_port;
+      mp->entry.udp_dst_port = sa->udp_hdr.dst_port;
+    }
 
   mp->seq_outbound = clib_host_to_net_u64 (((u64) sa->seq));
   mp->last_seq_inbound = clib_host_to_net_u64 (((u64) sa->last_seq));
@@ -966,6 +876,8 @@ send_ipsec_sa_details (ipsec_sa_t * sa, void *arg)
   if (ipsec_sa_is_set_USE_ANTI_REPLAY (sa))
     mp->replay_window = clib_host_to_net_u64 (sa->replay_window);
 
+  mp->stat_index = clib_host_to_net_u32 (sa->stat_index);
+
   vl_api_send_msg (ctx->reg, (u8 *) mp);
 
   return (WALK_CONTINUE);
@@ -1003,10 +915,10 @@ vl_api_ipsec_tunnel_if_set_sa_t_handler (vl_api_ipsec_tunnel_if_set_sa_t * mp)
   VALIDATE_SW_IF_INDEX(mp);
 
   if (mp->is_outbound)
-    rv = ipsec_tun_protect_update_out (ntohl (mp->sw_if_index),
+    rv = ipsec_tun_protect_update_out (ntohl (mp->sw_if_index), NULL,
                                        ntohl (mp->sa_id));
   else
-    rv = ipsec_tun_protect_update_in (ntohl (mp->sw_if_index),
+    rv = ipsec_tun_protect_update_in (ntohl (mp->sw_if_index), NULL,
                                        ntohl (mp->sa_id));
 
 #else
@@ -1101,6 +1013,18 @@ done:
   REPLY_MACRO (VL_API_IPSEC_SELECT_BACKEND_REPLY);
 }
 
+static void
+vl_api_ipsec_set_async_mode_t_handler (vl_api_ipsec_set_async_mode_t * mp)
+{
+  vl_api_ipsec_set_async_mode_reply_t *rmp;
+  int rv = 0;
+
+  vnet_crypto_request_async_mode (mp->async_enable);
+  ipsec_set_async_mode (mp->async_enable);
+
+  REPLY_MACRO (VL_API_IPSEC_SET_ASYNC_MODE_REPLY);
+}
+
 /*
  * ipsec_api_hookup
  * Add vpe's API message handlers to the table.
@@ -1123,7 +1047,7 @@ setup_message_id_table (api_main_t * am)
 static clib_error_t *
 ipsec_api_hookup (vlib_main_t * vm)
 {
-  api_main_t *am = &api_main;
+  api_main_t *am = vlibapi_get_main ();
 
 #define _(N,n)                                                  \
     vl_msg_api_set_handlers(VL_API_##N, #n,                     \
@@ -1135,13 +1059,6 @@ ipsec_api_hookup (vlib_main_t * vm)
   foreach_vpe_api_msg;
 #undef _
 
-  /*
-   * Adding and deleting SAs is MP safe since when they are added/delete
-   * no traffic is using them
-   */
-  am->is_mp_safe[VL_API_IPSEC_SAD_ENTRY_ADD_DEL] = 1;
-  am->is_mp_safe[VL_API_IPSEC_SAD_ENTRY_ADD_DEL_REPLY] = 1;
-
   /*
    * Set up the (msg_name, crc, message-id) table
    */