144 		struct macsec_tx_sa *tx_sa;  member
453 				struct macsec_tx_sa *tx_sa)  in __macsec_pn_wrapped()  argument
456 	tx_sa->active = false;  in __macsec_pn_wrapped()
461 void macsec_pn_wrapped(struct macsec_secy *secy, struct macsec_tx_sa *tx_sa)  in macsec_pn_wrapped()  argument
463 	spin_lock_bh(&tx_sa->lock);  in macsec_pn_wrapped()
464 	__macsec_pn_wrapped(secy, tx_sa);  in macsec_pn_wrapped()
465 	spin_unlock_bh(&tx_sa->lock);  in macsec_pn_wrapped()
469 static pn_t tx_sa_update_pn(struct macsec_tx_sa *tx_sa,  in tx_sa_update_pn()  argument
474 	spin_lock_bh(&tx_sa->lock);  in tx_sa_update_pn()
476 	pn = tx_sa->next_pn_halves;  in tx_sa_update_pn()
478 		tx_sa->next_pn++;  in tx_sa_update_pn()
480 		tx_sa->next_pn_halves.lower++;  in tx_sa_update_pn()
482 	if (tx_sa->next_pn == 0)  in tx_sa_update_pn()
483 		__macsec_pn_wrapped(secy, tx_sa);  in tx_sa_update_pn()
484 	spin_unlock_bh(&tx_sa->lock);  in tx_sa_update_pn()
499 			    struct macsec_tx_sa *tx_sa)  in macsec_count_tx()  argument
507 		this_cpu_inc(tx_sa->stats->OutPktsEncrypted);  in macsec_count_tx()
511 		this_cpu_inc(tx_sa->stats->OutPktsProtected);  in macsec_count_tx()
533 	struct macsec_tx_sa *sa = macsec_skb_cb(skb)->tx_sa;  in macsec_encrypt_done()
540 	macsec_count_tx(skb, &macsec->secy.tx_sc, macsec_skb_cb(skb)->tx_sa);  in macsec_encrypt_done()
593 	struct macsec_tx_sa *tx_sa;  in macsec_encrypt()  local
602 	tx_sa = macsec_txsa_get(tx_sc->sa[tx_sc->encoding_sa]);  in macsec_encrypt()
603 	if (!tx_sa) {  in macsec_encrypt()
619 			macsec_txsa_put(tx_sa);  in macsec_encrypt()
626 			macsec_txsa_put(tx_sa);  in macsec_encrypt()
637 	pn = tx_sa_update_pn(tx_sa, secy);  in macsec_encrypt()
639 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
655 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
662 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
667 	req = macsec_alloc_req(tx_sa->key.tfm, &iv, &sg, ret);  in macsec_encrypt()
669 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
675 		macsec_fill_iv_xpn(iv, tx_sa->ssci, pn.full64, tx_sa->key.salt);  in macsec_encrypt()
683 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
699 	macsec_skb_cb(skb)->tx_sa = tx_sa;  in macsec_encrypt()
710 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
716 	macsec_txsa_put(tx_sa);  in macsec_encrypt()
1428 static int init_tx_sa(struct macsec_tx_sa *tx_sa, char *sak, int key_len,  in init_tx_sa()  argument
1431 	tx_sa->stats = alloc_percpu(struct macsec_tx_sa_stats);  in init_tx_sa()
1432 	if (!tx_sa->stats)  in init_tx_sa()
1435 	tx_sa->key.tfm = macsec_alloc_tfm(sak, key_len, icv_len);  in init_tx_sa()
1436 	if (IS_ERR(tx_sa->key.tfm)) {  in init_tx_sa()
1437 		free_percpu(tx_sa->stats);  in init_tx_sa()
1438 		return PTR_ERR(tx_sa->key.tfm);  in init_tx_sa()
1441 	tx_sa->ssci = MACSEC_UNDEF_SSCI;  in init_tx_sa()
1442 	tx_sa->active = false;  in init_tx_sa()
1443 	refcount_set(&tx_sa->refcnt, 1);  in init_tx_sa()
1444 	spin_lock_init(&tx_sa->lock);  in init_tx_sa()
1449 static void clear_tx_sa(struct macsec_tx_sa *tx_sa)  in clear_tx_sa()  argument
1451 	tx_sa->active = false;  in clear_tx_sa()
1453 	macsec_txsa_put(tx_sa);  in clear_tx_sa()
1511 	struct macsec_tx_sa *tx_sa;  in get_txsa_from_nl()  local
1528 	tx_sa = rtnl_dereference(tx_sc->sa[*assoc_num]);  in get_txsa_from_nl()
1529 	if (!tx_sa)  in get_txsa_from_nl()
1535 	return tx_sa;  in get_txsa_from_nl()
1959 	struct macsec_tx_sa *tx_sa;  in macsec_add_txsa()  local
2017 	tx_sa = rtnl_dereference(tx_sc->sa[assoc_num]);  in macsec_add_txsa()
2018 	if (tx_sa) {  in macsec_add_txsa()
2023 	tx_sa = kmalloc(sizeof(*tx_sa), GFP_KERNEL);  in macsec_add_txsa()
2024 	if (!tx_sa) {  in macsec_add_txsa()
2029 	err = init_tx_sa(tx_sa, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]),  in macsec_add_txsa()
2032 		kfree(tx_sa);  in macsec_add_txsa()
2037 	spin_lock_bh(&tx_sa->lock);  in macsec_add_txsa()
2038 	tx_sa->next_pn = nla_get_u64(tb_sa[MACSEC_SA_ATTR_PN]);  in macsec_add_txsa()
2039 	spin_unlock_bh(&tx_sa->lock);  in macsec_add_txsa()
2042 		tx_sa->active = !!nla_get_u8(tb_sa[MACSEC_SA_ATTR_ACTIVE]);  in macsec_add_txsa()
2045 	if (assoc_num == tx_sc->encoding_sa && tx_sa->active)  in macsec_add_txsa()
2060 		ctx.sa.tx_sa = tx_sa;  in macsec_add_txsa()
2071 		tx_sa->ssci = nla_get_ssci(tb_sa[MACSEC_SA_ATTR_SSCI]);  in macsec_add_txsa()
2072 		nla_memcpy(tx_sa->key.salt.bytes, tb_sa[MACSEC_SA_ATTR_SALT],  in macsec_add_txsa()
2076 	nla_memcpy(tx_sa->key.id, tb_sa[MACSEC_SA_ATTR_KEYID], MACSEC_KEYID_LEN);  in macsec_add_txsa()
2077 	rcu_assign_pointer(tx_sc->sa[assoc_num], tx_sa);  in macsec_add_txsa()
2085 	macsec_txsa_put(tx_sa);  in macsec_add_txsa()
2225 	struct macsec_tx_sa *tx_sa;  in macsec_del_txsa()  local
2237 	tx_sa = get_txsa_from_nl(genl_info_net(info), attrs, tb_sa,  in macsec_del_txsa()
2239 	if (IS_ERR(tx_sa)) {  in macsec_del_txsa()
2241 		return PTR_ERR(tx_sa);  in macsec_del_txsa()
2244 	if (tx_sa->active) {  in macsec_del_txsa()
2261 		ctx.sa.tx_sa = tx_sa;  in macsec_del_txsa()
2270 	clear_tx_sa(tx_sa);  in macsec_del_txsa()
2310 	struct macsec_tx_sa *tx_sa;  in macsec_upd_txsa()  local
2329 	tx_sa = get_txsa_from_nl(genl_info_net(info), attrs, tb_sa,  in macsec_upd_txsa()
2331 	if (IS_ERR(tx_sa)) {  in macsec_upd_txsa()
2333 		return PTR_ERR(tx_sa);  in macsec_upd_txsa()
2347 		spin_lock_bh(&tx_sa->lock);  in macsec_upd_txsa()
2348 		prev_pn = tx_sa->next_pn_halves;  in macsec_upd_txsa()
2349 		tx_sa->next_pn = nla_get_u64(tb_sa[MACSEC_SA_ATTR_PN]);  in macsec_upd_txsa()
2350 		spin_unlock_bh(&tx_sa->lock);  in macsec_upd_txsa()
2353 	was_active = tx_sa->active;  in macsec_upd_txsa()
2355 		tx_sa->active = nla_get_u8(tb_sa[MACSEC_SA_ATTR_ACTIVE]);  in macsec_upd_txsa()
2359 		secy->operational = tx_sa->active;  in macsec_upd_txsa()
2373 		ctx.sa.tx_sa = tx_sa;  in macsec_upd_txsa()
2387 		spin_lock_bh(&tx_sa->lock);  in macsec_upd_txsa()
2388 		tx_sa->next_pn_halves = prev_pn;  in macsec_upd_txsa()
2389 		spin_unlock_bh(&tx_sa->lock);  in macsec_upd_txsa()
2391 	tx_sa->active = was_active;  in macsec_upd_txsa()
2662 			    struct macsec_tx_sa *tx_sa,  in get_tx_sa_stats()  argument
2676 			ctx.sa.tx_sa = tx_sa;  in get_tx_sa_stats()
2686 			per_cpu_ptr(tx_sa->stats, cpu);  in get_tx_sa_stats()
3082 		struct macsec_tx_sa *tx_sa = rtnl_dereference(tx_sc->sa[i]);  in dump_secy()  local
3087 		if (!tx_sa)  in dump_secy()
3103 		get_tx_sa_stats(dev, i, tx_sa, &tx_sa_stats);  in dump_secy()
3113 			pn = tx_sa->next_pn;  in dump_secy()
3116 			pn = tx_sa->next_pn_halves.lower;  in dump_secy()
3122 		    nla_put(skb, MACSEC_SA_ATTR_KEYID, MACSEC_KEYID_LEN, tx_sa->key.id) ||  in dump_secy()
3123 		    (secy->xpn && nla_put_ssci(skb, MACSEC_SA_ATTR_SSCI, tx_sa->ssci)) ||  in dump_secy()
3124 		    nla_put_u8(skb, MACSEC_SA_ATTR_ACTIVE, tx_sa->active)) {  in dump_secy()
3409 	macsec_count_tx(skb, &macsec->secy.tx_sc, macsec_skb_cb(skb)->tx_sa);  in macsec_start_xmit()
3736 		struct macsec_tx_sa *tx_sa;  in macsec_changelink_common()  local
3739 		tx_sa = rtnl_dereference(tx_sc->sa[tx_sc->encoding_sa]);  in macsec_changelink_common()
3741 		secy->operational = tx_sa && tx_sa->active;  in macsec_changelink_common()