137 		struct macsec_tx_sa *tx_sa;  member
461 				struct macsec_tx_sa *tx_sa)  in __macsec_pn_wrapped()  argument
464 	tx_sa->active = false;  in __macsec_pn_wrapped()
469 void macsec_pn_wrapped(struct macsec_secy *secy, struct macsec_tx_sa *tx_sa)  in macsec_pn_wrapped()  argument
471 	spin_lock_bh(&tx_sa->lock);  in macsec_pn_wrapped()
472 	__macsec_pn_wrapped(secy, tx_sa);  in macsec_pn_wrapped()
473 	spin_unlock_bh(&tx_sa->lock);  in macsec_pn_wrapped()
477 static pn_t tx_sa_update_pn(struct macsec_tx_sa *tx_sa,  in tx_sa_update_pn()  argument
482 	spin_lock_bh(&tx_sa->lock);  in tx_sa_update_pn()
484 	pn = tx_sa->next_pn_halves;  in tx_sa_update_pn()
486 		tx_sa->next_pn++;  in tx_sa_update_pn()
488 		tx_sa->next_pn_halves.lower++;  in tx_sa_update_pn()
490 	if (tx_sa->next_pn == 0)  in tx_sa_update_pn()
491 		__macsec_pn_wrapped(secy, tx_sa);  in tx_sa_update_pn()
492 	spin_unlock_bh(&tx_sa->lock);  in tx_sa_update_pn()
516 			    struct macsec_tx_sa *tx_sa)  in macsec_count_tx()  argument
525 		this_cpu_inc(tx_sa->stats->OutPktsEncrypted);  in macsec_count_tx()
529 		this_cpu_inc(tx_sa->stats->OutPktsProtected);  in macsec_count_tx()
545 	struct macsec_tx_sa *sa = macsec_skb_cb(skb)->tx_sa;  in macsec_encrypt_done()
551 	macsec_count_tx(skb, &macsec->secy.tx_sc, macsec_skb_cb(skb)->tx_sa);  in macsec_encrypt_done()
606 	struct macsec_tx_sa *tx_sa;  in macsec_encrypt()  local
615 	tx_sa = macsec_txsa_get(tx_sc->sa[tx_sc->encoding_sa]);  in macsec_encrypt()
616 	if (!tx_sa) {  in macsec_encrypt()
632 			macsec_txsa_put(tx_sa);  in macsec_encrypt()
639 			macsec_txsa_put(tx_sa);  in macsec_encrypt()
650 	pn = tx_sa_update_pn(tx_sa, secy);  in macsec_encrypt()
652 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
668 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
675 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
680 	req = macsec_alloc_req(tx_sa->key.tfm, &iv, &sg, ret);  in macsec_encrypt()
682 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
688 		macsec_fill_iv_xpn(iv, tx_sa->ssci, pn.full64, tx_sa->key.salt);  in macsec_encrypt()
696 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
712 	macsec_skb_cb(skb)->tx_sa = tx_sa;  in macsec_encrypt()
724 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
730 	macsec_txsa_put(tx_sa);  in macsec_encrypt()
1492 static int init_tx_sa(struct macsec_tx_sa *tx_sa, char *sak, int key_len,  in init_tx_sa()  argument
1495 	tx_sa->stats = alloc_percpu(struct macsec_tx_sa_stats);  in init_tx_sa()
1496 	if (!tx_sa->stats)  in init_tx_sa()
1499 	tx_sa->key.tfm = macsec_alloc_tfm(sak, key_len, icv_len);  in init_tx_sa()
1500 	if (IS_ERR(tx_sa->key.tfm)) {  in init_tx_sa()
1501 		free_percpu(tx_sa->stats);  in init_tx_sa()
1502 		return PTR_ERR(tx_sa->key.tfm);  in init_tx_sa()
1505 	tx_sa->ssci = MACSEC_UNDEF_SSCI;  in init_tx_sa()
1506 	tx_sa->active = false;  in init_tx_sa()
1507 	refcount_set(&tx_sa->refcnt, 1);  in init_tx_sa()
1508 	spin_lock_init(&tx_sa->lock);  in init_tx_sa()
1513 static void clear_tx_sa(struct macsec_tx_sa *tx_sa)  in clear_tx_sa()  argument
1515 	tx_sa->active = false;  in clear_tx_sa()
1517 	macsec_txsa_put(tx_sa);  in clear_tx_sa()
1575 	struct macsec_tx_sa *tx_sa;  in get_txsa_from_nl()  local
1589 	tx_sa = rtnl_dereference(tx_sc->sa[*assoc_num]);  in get_txsa_from_nl()
1590 	if (!tx_sa)  in get_txsa_from_nl()
1596 	return tx_sa;  in get_txsa_from_nl()
1952 	struct macsec_tx_sa *tx_sa;  in macsec_add_txsa()  local
2002 	tx_sa = rtnl_dereference(tx_sc->sa[assoc_num]);  in macsec_add_txsa()
2003 	if (tx_sa) {  in macsec_add_txsa()
2008 	tx_sa = kmalloc_obj(*tx_sa);  in macsec_add_txsa()
2009 	if (!tx_sa) {  in macsec_add_txsa()
2014 	err = init_tx_sa(tx_sa, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]),  in macsec_add_txsa()
2017 		kfree(tx_sa);  in macsec_add_txsa()
2022 	spin_lock_bh(&tx_sa->lock);  in macsec_add_txsa()
2023 	tx_sa->next_pn = nla_get_uint(tb_sa[MACSEC_SA_ATTR_PN]);  in macsec_add_txsa()
2024 	spin_unlock_bh(&tx_sa->lock);  in macsec_add_txsa()
2027 		tx_sa->active = !!nla_get_u8(tb_sa[MACSEC_SA_ATTR_ACTIVE]);  in macsec_add_txsa()
2030 	if (assoc_num == tx_sc->encoding_sa && tx_sa->active)  in macsec_add_txsa()
2034 		tx_sa->ssci = nla_get_ssci(tb_sa[MACSEC_SA_ATTR_SSCI]);  in macsec_add_txsa()
2035 		nla_memcpy(tx_sa->key.salt.bytes, tb_sa[MACSEC_SA_ATTR_SALT],  in macsec_add_txsa()
2051 		ctx.sa.tx_sa = tx_sa;  in macsec_add_txsa()
2062 	nla_memcpy(tx_sa->key.id, tb_sa[MACSEC_SA_ATTR_KEYID], MACSEC_KEYID_LEN);  in macsec_add_txsa()
2063 	rcu_assign_pointer(tx_sc->sa[assoc_num], tx_sa);  in macsec_add_txsa()
2071 	macsec_txsa_put(tx_sa);  in macsec_add_txsa()
2211 	struct macsec_tx_sa *tx_sa;  in macsec_del_txsa()  local
2223 	tx_sa = get_txsa_from_nl(genl_info_net(info), attrs, tb_sa,  in macsec_del_txsa()
2225 	if (IS_ERR(tx_sa)) {  in macsec_del_txsa()
2227 		return PTR_ERR(tx_sa);  in macsec_del_txsa()
2230 	if (tx_sa->active) {  in macsec_del_txsa()
2247 		ctx.sa.tx_sa = tx_sa;  in macsec_del_txsa()
2256 	clear_tx_sa(tx_sa);  in macsec_del_txsa()
2285 	struct macsec_tx_sa *tx_sa;  in macsec_upd_txsa()  local
2304 	tx_sa = get_txsa_from_nl(genl_info_net(info), attrs, tb_sa,  in macsec_upd_txsa()
2306 	if (IS_ERR(tx_sa)) {  in macsec_upd_txsa()
2308 		return PTR_ERR(tx_sa);  in macsec_upd_txsa()
2322 		spin_lock_bh(&tx_sa->lock);  in macsec_upd_txsa()
2323 		prev_pn = tx_sa->next_pn_halves;  in macsec_upd_txsa()
2324 		tx_sa->next_pn = nla_get_uint(tb_sa[MACSEC_SA_ATTR_PN]);  in macsec_upd_txsa()
2325 		spin_unlock_bh(&tx_sa->lock);  in macsec_upd_txsa()
2328 	was_active = tx_sa->active;  in macsec_upd_txsa()
2330 		tx_sa->active = nla_get_u8(tb_sa[MACSEC_SA_ATTR_ACTIVE]);  in macsec_upd_txsa()
2334 		secy->operational = tx_sa->active;  in macsec_upd_txsa()
2348 		ctx.sa.tx_sa = tx_sa;  in macsec_upd_txsa()
2363 		spin_lock_bh(&tx_sa->lock);  in macsec_upd_txsa()
2364 		tx_sa->next_pn_halves = prev_pn;  in macsec_upd_txsa()
2365 		spin_unlock_bh(&tx_sa->lock);  in macsec_upd_txsa()
2367 	tx_sa->active = was_active;  in macsec_upd_txsa()
2683 			    struct macsec_tx_sa *tx_sa,  in get_tx_sa_stats()  argument
2697 			ctx.sa.tx_sa = tx_sa;  in get_tx_sa_stats()
2707 			per_cpu_ptr(tx_sa->stats, cpu);  in get_tx_sa_stats()
3103 		struct macsec_tx_sa *tx_sa = rtnl_dereference(tx_sc->sa[i]);  in dump_secy()  local
3108 		if (!tx_sa)  in dump_secy()
3124 		get_tx_sa_stats(dev, i, tx_sa, &tx_sa_stats);  in dump_secy()
3134 			pn = tx_sa->next_pn;  in dump_secy()
3137 			pn = tx_sa->next_pn_halves.lower;  in dump_secy()
3143 		    nla_put(skb, MACSEC_SA_ATTR_KEYID, MACSEC_KEYID_LEN, tx_sa->key.id) ||  in dump_secy()
3144 		    (secy->xpn && nla_put_ssci(skb, MACSEC_SA_ATTR_SSCI, tx_sa->ssci)) ||  in dump_secy()
3145 		    nla_put_u8(skb, MACSEC_SA_ATTR_ACTIVE, tx_sa->active)) {  in dump_secy()
3480 	macsec_count_tx(skb, &macsec->secy.tx_sc, macsec_skb_cb(skb)->tx_sa);  in macsec_start_xmit()
3815 		struct macsec_tx_sa *tx_sa;  in macsec_changelink_common()  local
3818 		tx_sa = rtnl_dereference(tx_sc->sa[tx_sc->encoding_sa]);  in macsec_changelink_common()
3820 		secy->operational = tx_sa && tx_sa->active;  in macsec_changelink_common()