persistent keepalive: add kernel mechanism

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/peer.h b/src/peer.h
index 05ee7bd..6d74385 100644
--- a/src/peer.h
+++ b/src/peer.h
@@ -27,8 +27,9 @@ struct wireguard_peer {
 	struct cookie latest_cookie;
 	struct hlist_node pubkey_hash;
 	uint64_t rx_bytes, tx_bytes;
-	struct timer_list timer_retransmit_handshake, timer_send_keepalive, timer_new_handshake, timer_kill_ephemerals;
+	struct timer_list timer_retransmit_handshake, timer_send_keepalive, timer_new_handshake, timer_kill_ephemerals, timer_persistent_keepalive;
 	unsigned int timer_handshake_attempts;
+	uint16_t persistent_keepalive_interval;
 	bool timer_need_another_keepalive;
 	struct timeval walltime_last_handshake;
 	struct sk_buff_head tx_packet_queue;