278 static inline void tipc_crypto_key_set_state(struct tipc_crypto *c,
282 static int tipc_crypto_key_attach(struct tipc_crypto *c,
300 static char *tipc_crypto_key_dump(struct tipc_crypto *c, char *buf);
1101 static inline void tipc_crypto_key_set_state(struct tipc_crypto *c,  in tipc_crypto_key_set_state()  argument
1106 	struct tipc_key old = c->key;  in tipc_crypto_key_set_state()
1109 	c->key.keys = ((new_passive & KEY_MASK) << (KEY_BITS * 2)) |  in tipc_crypto_key_set_state()
1113 	pr_debug("%s: key changing %s ::%pS\n", c->name,  in tipc_crypto_key_set_state()
1114 		 tipc_key_change_dump(old, c->key, buf),  in tipc_crypto_key_set_state()
1130 int tipc_crypto_key_init(struct tipc_crypto *c, struct tipc_aead_key *ukey,  in tipc_crypto_key_init()  argument
1141 		rc = tipc_crypto_key_attach(c, aead, 0, master_key);  in tipc_crypto_key_init()
1158 static int tipc_crypto_key_attach(struct tipc_crypto *c,  in tipc_crypto_key_attach()  argument
1166 	spin_lock_bh(&c->lock);  in tipc_crypto_key_attach()
1167 	key = c->key;  in tipc_crypto_key_attach()
1175 		if (tipc_aead_users(c->aead[key.pending]) > 0)  in tipc_crypto_key_attach()
1197 	aead->crypto = c;  in tipc_crypto_key_attach()
1198 	aead->gen = (is_tx(c)) ? ++c->key_gen : c->key_gen;  in tipc_crypto_key_attach()
1199 	tipc_aead_rcu_replace(c->aead[new_key], aead, &c->lock);  in tipc_crypto_key_attach()
1200 	if (likely(c->key.keys != key.keys))  in tipc_crypto_key_attach()
1201 		tipc_crypto_key_set_state(c, key.passive, key.active,  in tipc_crypto_key_attach()
1203 	c->working = 1;  in tipc_crypto_key_attach()
1204 	c->nokey = 0;  in tipc_crypto_key_attach()
1205 	c->key_master |= master_key;  in tipc_crypto_key_attach()
1209 	spin_unlock_bh(&c->lock);  in tipc_crypto_key_attach()
1213 void tipc_crypto_key_flush(struct tipc_crypto *c)  in tipc_crypto_key_flush()  argument
1218 	spin_lock_bh(&c->lock);  in tipc_crypto_key_flush()
1219 	if (is_rx(c)) {  in tipc_crypto_key_flush()
1221 		rx = c;  in tipc_crypto_key_flush()
1238 	c->flags = 0;  in tipc_crypto_key_flush()
1239 	tipc_crypto_key_set_state(c, 0, 0, 0);  in tipc_crypto_key_flush()
1241 		tipc_crypto_key_detach(c->aead[k], &c->lock);  in tipc_crypto_key_flush()
1242 	atomic64_set(&c->sndnxt, 0);  in tipc_crypto_key_flush()
1243 	spin_unlock_bh(&c->lock);  in tipc_crypto_key_flush()
1471 	struct tipc_crypto *c;  in tipc_crypto_start()  local
1477 	c = kzalloc(sizeof(*c), GFP_ATOMIC);  in tipc_crypto_start()
1478 	if (!c)  in tipc_crypto_start()
1483 		c->wq = alloc_ordered_workqueue("tipc_crypto", 0);  in tipc_crypto_start()
1484 		if (!c->wq) {  in tipc_crypto_start()
1485 			kfree(c);  in tipc_crypto_start()
1491 	c->stats = alloc_percpu_gfp(struct tipc_crypto_stats, GFP_ATOMIC);  in tipc_crypto_start()
1492 	if (!c->stats) {  in tipc_crypto_start()
1493 		if (c->wq)  in tipc_crypto_start()
1494 			destroy_workqueue(c->wq);  in tipc_crypto_start()
1495 		kfree_sensitive(c);  in tipc_crypto_start()
1499 	c->flags = 0;  in tipc_crypto_start()
1500 	c->net = net;  in tipc_crypto_start()
1501 	c->node = node;  in tipc_crypto_start()
1502 	get_random_bytes(&c->key_gen, 2);  in tipc_crypto_start()
1503 	tipc_crypto_key_set_state(c, 0, 0, 0);  in tipc_crypto_start()
1504 	atomic_set(&c->key_distr, 0);  in tipc_crypto_start()
1505 	atomic_set(&c->peer_rx_active, 0);  in tipc_crypto_start()
1506 	atomic64_set(&c->sndnxt, 0);  in tipc_crypto_start()
1507 	c->timer1 = jiffies;  in tipc_crypto_start()
1508 	c->timer2 = jiffies;  in tipc_crypto_start()
1509 	c->rekeying_intv = TIPC_REKEYING_INTV_DEF;  in tipc_crypto_start()
1510 	spin_lock_init(&c->lock);  in tipc_crypto_start()
1511 	scnprintf(c->name, 48, "%s(%s)", (is_rx(c)) ? "RX" : "TX",  in tipc_crypto_start()
1512 		  (is_rx(c)) ? tipc_node_get_id_str(c->node) :  in tipc_crypto_start()
1513 			       tipc_own_id_string(c->net));  in tipc_crypto_start()
1515 	if (is_rx(c))  in tipc_crypto_start()
1516 		INIT_DELAYED_WORK(&c->work, tipc_crypto_work_rx);  in tipc_crypto_start()
1518 		INIT_DELAYED_WORK(&c->work, tipc_crypto_work_tx);  in tipc_crypto_start()
1520 	*crypto = c;  in tipc_crypto_start()
1526 	struct tipc_crypto *c = *crypto;  in tipc_crypto_stop()  local
1529 	if (!c)  in tipc_crypto_stop()
1533 	if (is_tx(c)) {  in tipc_crypto_stop()
1534 		c->rekeying_intv = 0;  in tipc_crypto_stop()
1535 		cancel_delayed_work_sync(&c->work);  in tipc_crypto_stop()
1536 		destroy_workqueue(c->wq);  in tipc_crypto_stop()
1542 		tipc_aead_put(rcu_dereference(c->aead[k]));  in tipc_crypto_stop()
1544 	pr_debug("%s: has been stopped\n", c->name);  in tipc_crypto_stop()
1547 	free_percpu(c->stats);  in tipc_crypto_stop()
1550 	kfree_sensitive(c);  in tipc_crypto_stop()
2082 static char *tipc_crypto_key_dump(struct tipc_crypto *c, char *buf)  in tipc_crypto_key_dump()  argument
2084 	struct tipc_key key = c->key;  in tipc_crypto_key_dump()
2091 			if (is_rx(c))  in tipc_crypto_key_dump()
2094 					c->timer2 + TIPC_TX_GRACE_PERIOD))  in tipc_crypto_key_dump()
2111 		aead = rcu_dereference(c->aead[k]);  in tipc_crypto_key_dump()
2123 	if (is_rx(c))  in tipc_crypto_key_dump()
2125 			       atomic_read(&c->peer_rx_active));  in tipc_crypto_key_dump()