133 		struct macsec_tx_sa *tx_sa;  member
446 				struct macsec_tx_sa *tx_sa)  in __macsec_pn_wrapped()  argument
449 	tx_sa->active = false;  in __macsec_pn_wrapped()
454 void macsec_pn_wrapped(struct macsec_secy *secy, struct macsec_tx_sa *tx_sa)  in macsec_pn_wrapped()  argument
456 	spin_lock_bh(&tx_sa->lock);  in macsec_pn_wrapped()
457 	__macsec_pn_wrapped(secy, tx_sa);  in macsec_pn_wrapped()
458 	spin_unlock_bh(&tx_sa->lock);  in macsec_pn_wrapped()
462 static pn_t tx_sa_update_pn(struct macsec_tx_sa *tx_sa,  in tx_sa_update_pn()  argument
467 	spin_lock_bh(&tx_sa->lock);  in tx_sa_update_pn()
469 	pn = tx_sa->next_pn_halves;  in tx_sa_update_pn()
471 		tx_sa->next_pn++;  in tx_sa_update_pn()
473 		tx_sa->next_pn_halves.lower++;  in tx_sa_update_pn()
475 	if (tx_sa->next_pn == 0)  in tx_sa_update_pn()
476 		__macsec_pn_wrapped(secy, tx_sa);  in tx_sa_update_pn()
477 	spin_unlock_bh(&tx_sa->lock);  in tx_sa_update_pn()
501 			    struct macsec_tx_sa *tx_sa)  in macsec_count_tx()  argument
510 		this_cpu_inc(tx_sa->stats->OutPktsEncrypted);  in macsec_count_tx()
514 		this_cpu_inc(tx_sa->stats->OutPktsProtected);  in macsec_count_tx()
530 	struct macsec_tx_sa *sa = macsec_skb_cb(skb)->tx_sa;  in macsec_encrypt_done()
536 	macsec_count_tx(skb, &macsec->secy.tx_sc, macsec_skb_cb(skb)->tx_sa);  in macsec_encrypt_done()
591 	struct macsec_tx_sa *tx_sa;  in macsec_encrypt()  local
600 	tx_sa = macsec_txsa_get(tx_sc->sa[tx_sc->encoding_sa]);  in macsec_encrypt()
601 	if (!tx_sa) {  in macsec_encrypt()
617 			macsec_txsa_put(tx_sa);  in macsec_encrypt()
624 			macsec_txsa_put(tx_sa);  in macsec_encrypt()
635 	pn = tx_sa_update_pn(tx_sa, secy);  in macsec_encrypt()
637 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
653 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
660 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
665 	req = macsec_alloc_req(tx_sa->key.tfm, &iv, &sg, ret);  in macsec_encrypt()
667 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
673 		macsec_fill_iv_xpn(iv, tx_sa->ssci, pn.full64, tx_sa->key.salt);  in macsec_encrypt()
681 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
697 	macsec_skb_cb(skb)->tx_sa = tx_sa;  in macsec_encrypt()
709 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
715 	macsec_txsa_put(tx_sa);  in macsec_encrypt()
1452 static int init_tx_sa(struct macsec_tx_sa *tx_sa, char *sak, int key_len,  in init_tx_sa()  argument
1455 	tx_sa->stats = alloc_percpu(struct macsec_tx_sa_stats);  in init_tx_sa()
1456 	if (!tx_sa->stats)  in init_tx_sa()
1459 	tx_sa->key.tfm = macsec_alloc_tfm(sak, key_len, icv_len);  in init_tx_sa()
1460 	if (IS_ERR(tx_sa->key.tfm)) {  in init_tx_sa()
1461 		free_percpu(tx_sa->stats);  in init_tx_sa()
1462 		return PTR_ERR(tx_sa->key.tfm);  in init_tx_sa()
1465 	tx_sa->ssci = MACSEC_UNDEF_SSCI;  in init_tx_sa()
1466 	tx_sa->active = false;  in init_tx_sa()
1467 	refcount_set(&tx_sa->refcnt, 1);  in init_tx_sa()
1468 	spin_lock_init(&tx_sa->lock);  in init_tx_sa()
1473 static void clear_tx_sa(struct macsec_tx_sa *tx_sa)  in clear_tx_sa()  argument
1475 	tx_sa->active = false;  in clear_tx_sa()
1477 	macsec_txsa_put(tx_sa);  in clear_tx_sa()
1535 	struct macsec_tx_sa *tx_sa;  in get_txsa_from_nl()  local
1552 	tx_sa = rtnl_dereference(tx_sc->sa[*assoc_num]);  in get_txsa_from_nl()
1553 	if (!tx_sa)  in get_txsa_from_nl()
1559 	return tx_sa;  in get_txsa_from_nl()
1970 	struct macsec_tx_sa *tx_sa;  in macsec_add_txsa()  local
2028 	tx_sa = rtnl_dereference(tx_sc->sa[assoc_num]);  in macsec_add_txsa()
2029 	if (tx_sa) {  in macsec_add_txsa()
2034 	tx_sa = kmalloc(sizeof(*tx_sa), GFP_KERNEL);  in macsec_add_txsa()
2035 	if (!tx_sa) {  in macsec_add_txsa()
2040 	err = init_tx_sa(tx_sa, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]),  in macsec_add_txsa()
2043 		kfree(tx_sa);  in macsec_add_txsa()
2048 	spin_lock_bh(&tx_sa->lock);  in macsec_add_txsa()
2049 	tx_sa->next_pn = nla_get_u64(tb_sa[MACSEC_SA_ATTR_PN]);  in macsec_add_txsa()
2050 	spin_unlock_bh(&tx_sa->lock);  in macsec_add_txsa()
2053 		tx_sa->active = !!nla_get_u8(tb_sa[MACSEC_SA_ATTR_ACTIVE]);  in macsec_add_txsa()
2056 	if (assoc_num == tx_sc->encoding_sa && tx_sa->active)  in macsec_add_txsa()
2060 		tx_sa->ssci = nla_get_ssci(tb_sa[MACSEC_SA_ATTR_SSCI]);  in macsec_add_txsa()
2061 		nla_memcpy(tx_sa->key.salt.bytes, tb_sa[MACSEC_SA_ATTR_SALT],  in macsec_add_txsa()
2077 		ctx.sa.tx_sa = tx_sa;  in macsec_add_txsa()
2088 	nla_memcpy(tx_sa->key.id, tb_sa[MACSEC_SA_ATTR_KEYID], MACSEC_KEYID_LEN);  in macsec_add_txsa()
2089 	rcu_assign_pointer(tx_sc->sa[assoc_num], tx_sa);  in macsec_add_txsa()
2097 	macsec_txsa_put(tx_sa);  in macsec_add_txsa()
2237 	struct macsec_tx_sa *tx_sa;  in macsec_del_txsa()  local
2249 	tx_sa = get_txsa_from_nl(genl_info_net(info), attrs, tb_sa,  in macsec_del_txsa()
2251 	if (IS_ERR(tx_sa)) {  in macsec_del_txsa()
2253 		return PTR_ERR(tx_sa);  in macsec_del_txsa()
2256 	if (tx_sa->active) {  in macsec_del_txsa()
2273 		ctx.sa.tx_sa = tx_sa;  in macsec_del_txsa()
2282 	clear_tx_sa(tx_sa);  in macsec_del_txsa()
2322 	struct macsec_tx_sa *tx_sa;  in macsec_upd_txsa()  local
2341 	tx_sa = get_txsa_from_nl(genl_info_net(info), attrs, tb_sa,  in macsec_upd_txsa()
2343 	if (IS_ERR(tx_sa)) {  in macsec_upd_txsa()
2345 		return PTR_ERR(tx_sa);  in macsec_upd_txsa()
2359 		spin_lock_bh(&tx_sa->lock);  in macsec_upd_txsa()
2360 		prev_pn = tx_sa->next_pn_halves;  in macsec_upd_txsa()
2361 		tx_sa->next_pn = nla_get_u64(tb_sa[MACSEC_SA_ATTR_PN]);  in macsec_upd_txsa()
2362 		spin_unlock_bh(&tx_sa->lock);  in macsec_upd_txsa()
2365 	was_active = tx_sa->active;  in macsec_upd_txsa()
2367 		tx_sa->active = nla_get_u8(tb_sa[MACSEC_SA_ATTR_ACTIVE]);  in macsec_upd_txsa()
2371 		secy->operational = tx_sa->active;  in macsec_upd_txsa()
2385 		ctx.sa.tx_sa = tx_sa;  in macsec_upd_txsa()
2400 		spin_lock_bh(&tx_sa->lock);  in macsec_upd_txsa()
2401 		tx_sa->next_pn_halves = prev_pn;  in macsec_upd_txsa()
2402 		spin_unlock_bh(&tx_sa->lock);  in macsec_upd_txsa()
2404 	tx_sa->active = was_active;  in macsec_upd_txsa()
2673 			    struct macsec_tx_sa *tx_sa,  in get_tx_sa_stats()  argument
2687 			ctx.sa.tx_sa = tx_sa;  in get_tx_sa_stats()
2697 			per_cpu_ptr(tx_sa->stats, cpu);  in get_tx_sa_stats()
3093 		struct macsec_tx_sa *tx_sa = rtnl_dereference(tx_sc->sa[i]);  in dump_secy()  local
3098 		if (!tx_sa)  in dump_secy()
3114 		get_tx_sa_stats(dev, i, tx_sa, &tx_sa_stats);  in dump_secy()
3124 			pn = tx_sa->next_pn;  in dump_secy()
3127 			pn = tx_sa->next_pn_halves.lower;  in dump_secy()
3133 		    nla_put(skb, MACSEC_SA_ATTR_KEYID, MACSEC_KEYID_LEN, tx_sa->key.id) ||  in dump_secy()
3134 		    (secy->xpn && nla_put_ssci(skb, MACSEC_SA_ATTR_SSCI, tx_sa->ssci)) ||  in dump_secy()
3135 		    nla_put_u8(skb, MACSEC_SA_ATTR_ACTIVE, tx_sa->active)) {  in dump_secy()
3427 	macsec_count_tx(skb, &macsec->secy.tx_sc, macsec_skb_cb(skb)->tx_sa);  in macsec_start_xmit()
3743 		struct macsec_tx_sa *tx_sa;  in macsec_changelink_common()  local
3746 		tx_sa = rtnl_dereference(tx_sc->sa[tx_sc->encoding_sa]);  in macsec_changelink_common()
3748 		secy->operational = tx_sa && tx_sa->active;  in macsec_changelink_common()