143 	struct macsec_rx_sa *sa = rcu_dereference_bh(ptr);  in macsec_rxsa_get()  local
145 	if (!sa || !sa->active)  in macsec_rxsa_get()
148 	if (!refcount_inc_not_zero(&sa->refcnt))  in macsec_rxsa_get()
151 	return sa;  in macsec_rxsa_get()
156 	struct macsec_rx_sa *sa = NULL;  in macsec_active_rxsa_get()  local
160 		sa = macsec_rxsa_get(rx_sc->sa[an]);  in macsec_active_rxsa_get()
161 		if (sa)  in macsec_active_rxsa_get()
164 	return sa;  in macsec_active_rxsa_get()
188 	struct macsec_rx_sa *sa = container_of(head, struct macsec_rx_sa, rcu);  in free_rxsa()  local
190 	crypto_free_aead(sa->key.tfm);  in free_rxsa()
191 	free_percpu(sa->stats);  in free_rxsa()
192 	kfree(sa);  in free_rxsa()
195 static void macsec_rxsa_put(struct macsec_rx_sa *sa)  in macsec_rxsa_put()  argument
197 	if (refcount_dec_and_test(&sa->refcnt))  in macsec_rxsa_put()
198 		call_rcu(&sa->rcu, free_rxsa);  in macsec_rxsa_put()
203 	struct macsec_tx_sa *sa = rcu_dereference_bh(ptr);  in macsec_txsa_get()  local
205 	if (!sa || !sa->active)  in macsec_txsa_get()
208 	if (!refcount_inc_not_zero(&sa->refcnt))  in macsec_txsa_get()
211 	return sa;  in macsec_txsa_get()
216 	struct macsec_tx_sa *sa = container_of(head, struct macsec_tx_sa, rcu);  in free_txsa()  local
218 	crypto_free_aead(sa->key.tfm);  in free_txsa()
219 	free_percpu(sa->stats);  in free_txsa()
220 	kfree(sa);  in free_txsa()
223 static void macsec_txsa_put(struct macsec_tx_sa *sa)  in macsec_txsa_put()  argument
225 	if (refcount_dec_and_test(&sa->refcnt))  in macsec_txsa_put()
226 		call_rcu(&sa->rcu, free_txsa);  in macsec_txsa_put()
530 	struct macsec_tx_sa *sa = macsec_skb_cb(skb)->tx_sa;  in macsec_encrypt_done()  local
544 	macsec_txsa_put(sa);  in macsec_encrypt_done()
600 	tx_sa = macsec_txsa_get(tx_sc->sa[tx_sc->encoding_sa]);  in macsec_encrypt()
1201 	rx_sa = macsec_rxsa_get(rx_sc->sa[macsec_skb_cb(skb)->assoc_num]);  in macsec_handle_frame()
1412 		struct macsec_rx_sa *sa = rtnl_dereference(rx_sc->sa[i]);  in free_rx_sc()  local
1414 		RCU_INIT_POINTER(rx_sc->sa[i], NULL);  in free_rx_sc()
1415 		if (sa)  in free_rx_sc()
1416 			clear_rx_sa(sa);  in free_rx_sc()
1578 	tx_sa = rtnl_dereference(tx_sc->sa[*assoc_num]);  in get_txsa_from_nl()
1642 	rx_sa = rtnl_dereference(rx_sc->sa[*assoc_num]);  in get_rxsa_from_nl()
1811 	rx_sa = rtnl_dereference(rx_sc->sa[assoc_num]);  in macsec_add_rxsa()
1859 		ctx.sa.assoc_num = assoc_num;  in macsec_add_rxsa()
1860 		ctx.sa.rx_sa = rx_sa;  in macsec_add_rxsa()
1862 		memcpy(ctx.sa.key, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]),  in macsec_add_rxsa()
1866 		memzero_explicit(ctx.sa.key, secy->key_len);  in macsec_add_rxsa()
1872 	rcu_assign_pointer(rx_sc->sa[assoc_num], rx_sa);  in macsec_add_rxsa()
2054 	tx_sa = rtnl_dereference(tx_sc->sa[assoc_num]);  in macsec_add_txsa()
2102 		ctx.sa.assoc_num = assoc_num;  in macsec_add_txsa()
2103 		ctx.sa.tx_sa = tx_sa;  in macsec_add_txsa()
2105 		memcpy(ctx.sa.key, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]),  in macsec_add_txsa()
2109 		memzero_explicit(ctx.sa.key, secy->key_len);  in macsec_add_txsa()
2115 	rcu_assign_pointer(tx_sc->sa[assoc_num], tx_sa);  in macsec_add_txsa()
2173 		ctx.sa.assoc_num = assoc_num;  in macsec_del_rxsa()
2174 		ctx.sa.rx_sa = rx_sa;  in macsec_del_rxsa()
2182 	RCU_INIT_POINTER(rx_sc->sa[assoc_num], NULL);  in macsec_del_rxsa()
2298 		ctx.sa.assoc_num = assoc_num;  in macsec_del_txsa()
2299 		ctx.sa.tx_sa = tx_sa;  in macsec_del_txsa()
2307 	RCU_INIT_POINTER(tx_sc->sa[assoc_num], NULL);  in macsec_del_txsa()
2410 		ctx.sa.assoc_num = assoc_num;  in macsec_upd_txsa()
2411 		ctx.sa.tx_sa = tx_sa;  in macsec_upd_txsa()
2412 		ctx.sa.update_pn = !!prev_pn.full64;  in macsec_upd_txsa()
2504 		ctx.sa.assoc_num = assoc_num;  in macsec_upd_rxsa()
2505 		ctx.sa.rx_sa = rx_sa;  in macsec_upd_rxsa()
2506 		ctx.sa.update_pn = !!prev_pn.full64;  in macsec_upd_rxsa()
2606 		if (tx_sc->sa[i])  in macsec_is_configured()
2712 			ctx.sa.assoc_num = an;  in get_tx_sa_stats()
2713 			ctx.sa.tx_sa = tx_sa;  in get_tx_sa_stats()
2756 			ctx.sa.assoc_num = an;  in get_rx_sa_stats()
2757 			ctx.sa.rx_sa = rx_sa;  in get_rx_sa_stats()
3119 		struct macsec_tx_sa *tx_sa = rtnl_dereference(tx_sc->sa[i]);  in dump_secy()
3219 			struct macsec_rx_sa *rx_sa = rtnl_dereference(rx_sc->sa[i]);  in dump_secy()
3772 		tx_sa = rtnl_dereference(tx_sc->sa[tx_sc->encoding_sa]);  in macsec_changelink_common()
3913 		struct macsec_tx_sa *sa = rtnl_dereference(macsec->secy.tx_sc.sa[i]);  in macsec_del_dev()  local
3915 		if (sa) {  in macsec_del_dev()
3916 			RCU_INIT_POINTER(macsec->secy.tx_sc.sa[i], NULL);  in macsec_del_dev()
3917 			clear_tx_sa(sa);  in macsec_del_dev()