kernel-interface: Add members for optional acquire sequence number

src/libcharon/kernel/kernel_handler.c

@@ -56,22 +56,26 @@ static inline protocol_id_t proto_ip2ike(uint8_t protocol)
 METHOD(kernel_listener_t, acquire, bool,
 	private_kernel_handler_t *this, uint32_t reqid, kernel_acquire_data_t *data)
 {
-	char buf[BUF_LEN] = "";
+	char buf[BUF_LEN] = "", sbuf[BUF_LEN] = "";
 
 	if (data->label)
 	{
 		snprintf(buf, sizeof(buf), ", label {%s}",
 				 data->label->get_string(data->label));
 	}
+	if (data->seq)
+	{
+		snprintf(sbuf, sizeof(sbuf), ", seq {%u}", data->seq);
+	}
 	if (data->src && data->dst)
 	{
 		DBG1(DBG_KNL, "creating acquire job for policy %R === %R with "
-			 "reqid {%u}%s", data->src, data->dst, reqid, buf);
+			 "reqid {%u}%s%s", data->src, data->dst, reqid, buf, sbuf);
 	}
 	else
 	{
-		DBG1(DBG_KNL, "creating acquire job for policy with reqid {%u}%s",
-			 reqid, buf);
+		DBG1(DBG_KNL, "creating acquire job for policy with reqid {%u}%s%s",
+			 reqid, buf, sbuf);
 	}
 	lib->processor->queue_job(lib->processor,
 							  (job_t*)acquire_job_create(reqid, data));

src/libcharon/kernel/kernel_ipsec.h

@@ -67,6 +67,8 @@ struct kernel_ipsec_sa_id_t {
 struct kernel_ipsec_add_sa_t {
 	/** Reqid */
 	uint32_t reqid;
+	/** Optional sequence number associated with the acquire triggering the SA */
+	uint32_t seq;
 	/** Mode (tunnel, transport...) */
 	ipsec_mode_t mode;
 	/** List of source traffic selectors */

src/libcharon/kernel/kernel_listener.h

@@ -40,6 +40,8 @@ struct kernel_acquire_data_t {
 	traffic_selector_t *dst;
 	/** Optional security label of the triggering packet */
 	sec_label_t *label;
+	/** Optional sequence number associated with the acquire */
+	uint32_t seq;
 };
 
 /**