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-rwxr-xr-xsrc/plugins/wireguard/wireguard_timer.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/src/plugins/wireguard/wireguard_timer.h b/src/plugins/wireguard/wireguard_timer.h
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+/*
+ * Copyright (c) 2020 Doc.ai and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __included_wg_timer_h__
+#define __included_wg_timer_h__
+
+#include <vlib/vlib.h>
+#include <vppinfra/clib.h>
+#include <vppinfra/tw_timer_16t_2w_512sl.h>
+
+/** WG timers */
+#define foreach_wg_timer \
+ _(RETRANSMIT_HANDSHAKE, "RETRANSMIT HANDSHAKE") \
+ _(PERSISTENT_KEEPALIVE, "PERSISTENT KEEPALIVE") \
+ _(SEND_KEEPALIVE, "SEND KEEPALIVE") \
+ _(NEW_HANDSHAKE, "NEW HANDSHAKE") \
+ _(KEY_ZEROING, "KEY ZEROING") \
+
+typedef enum _wg_timers
+{
+#define _(sym, str) WG_TIMER_##sym,
+ foreach_wg_timer
+#undef _
+ WG_N_TIMERS
+} wg_timers_e;
+
+typedef struct wg_peer wg_peer_t;
+
+void wg_timers_init (wg_peer_t * peer, f64 now);
+void wg_timers_stop (wg_peer_t * peer);
+void wg_timers_data_sent (wg_peer_t * peer);
+void wg_timers_data_received (wg_peer_t * peer);
+void wg_timers_any_authenticated_packet_sent (wg_peer_t * peer);
+void wg_timers_any_authenticated_packet_received (wg_peer_t * peer);
+void wg_timers_handshake_initiated (wg_peer_t * peer);
+void wg_timers_handshake_complete (wg_peer_t * peer);
+void wg_timers_session_derived (wg_peer_t * peer);
+void wg_timers_any_authenticated_packet_traversal (wg_peer_t * peer);
+
+
+static inline bool
+wg_birthdate_has_expired (f64 birthday_seconds, f64 expiration_seconds)
+{
+ f64 now_seconds = vlib_time_now (vlib_get_main ());
+ return (birthday_seconds + expiration_seconds) < now_seconds;
+}
+
+
+#endif /* __included_wg_timer_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */