141 		struct macsec_tx_sa *tx_sa;  member
455 				struct macsec_tx_sa *tx_sa)  in __macsec_pn_wrapped()  argument
458 	tx_sa->active = false;  in __macsec_pn_wrapped()
463 void macsec_pn_wrapped(struct macsec_secy *secy, struct macsec_tx_sa *tx_sa)  in macsec_pn_wrapped()  argument
465 	spin_lock_bh(&tx_sa->lock);  in macsec_pn_wrapped()
466 	__macsec_pn_wrapped(secy, tx_sa);  in macsec_pn_wrapped()
467 	spin_unlock_bh(&tx_sa->lock);  in macsec_pn_wrapped()
471 static pn_t tx_sa_update_pn(struct macsec_tx_sa *tx_sa,  in tx_sa_update_pn()  argument
476 	spin_lock_bh(&tx_sa->lock);  in tx_sa_update_pn()
478 	pn = tx_sa->next_pn_halves;  in tx_sa_update_pn()
480 		tx_sa->next_pn++;  in tx_sa_update_pn()
482 		tx_sa->next_pn_halves.lower++;  in tx_sa_update_pn()
484 	if (tx_sa->next_pn == 0)  in tx_sa_update_pn()
485 		__macsec_pn_wrapped(secy, tx_sa);  in tx_sa_update_pn()
486 	spin_unlock_bh(&tx_sa->lock);  in tx_sa_update_pn()
501 			    struct macsec_tx_sa *tx_sa)  in macsec_count_tx()  argument
509 		this_cpu_inc(tx_sa->stats->OutPktsEncrypted);  in macsec_count_tx()
513 		this_cpu_inc(tx_sa->stats->OutPktsProtected);  in macsec_count_tx()
535 	struct macsec_tx_sa *sa = macsec_skb_cb(skb)->tx_sa;  in macsec_encrypt_done()
542 	macsec_count_tx(skb, &macsec->secy.tx_sc, macsec_skb_cb(skb)->tx_sa);  in macsec_encrypt_done()
595 	struct macsec_tx_sa *tx_sa;  in macsec_encrypt()  local
604 	tx_sa = macsec_txsa_get(tx_sc->sa[tx_sc->encoding_sa]);  in macsec_encrypt()
605 	if (!tx_sa) {  in macsec_encrypt()
621 			macsec_txsa_put(tx_sa);  in macsec_encrypt()
628 			macsec_txsa_put(tx_sa);  in macsec_encrypt()
639 	pn = tx_sa_update_pn(tx_sa, secy);  in macsec_encrypt()
641 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
657 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
664 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
669 	req = macsec_alloc_req(tx_sa->key.tfm, &iv, &sg, ret);  in macsec_encrypt()
671 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
677 		macsec_fill_iv_xpn(iv, tx_sa->ssci, pn.full64, tx_sa->key.salt);  in macsec_encrypt()
685 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
701 	macsec_skb_cb(skb)->tx_sa = tx_sa;  in macsec_encrypt()
712 		macsec_txsa_put(tx_sa);  in macsec_encrypt()
718 	macsec_txsa_put(tx_sa);  in macsec_encrypt()
1431 static int init_tx_sa(struct macsec_tx_sa *tx_sa, char *sak, int key_len,  in init_tx_sa()  argument
1434 	tx_sa->stats = alloc_percpu(struct macsec_tx_sa_stats);  in init_tx_sa()
1435 	if (!tx_sa->stats)  in init_tx_sa()
1438 	tx_sa->key.tfm = macsec_alloc_tfm(sak, key_len, icv_len);  in init_tx_sa()
1439 	if (IS_ERR(tx_sa->key.tfm)) {  in init_tx_sa()
1440 		free_percpu(tx_sa->stats);  in init_tx_sa()
1441 		return PTR_ERR(tx_sa->key.tfm);  in init_tx_sa()
1444 	tx_sa->ssci = MACSEC_UNDEF_SSCI;  in init_tx_sa()
1445 	tx_sa->active = false;  in init_tx_sa()
1446 	refcount_set(&tx_sa->refcnt, 1);  in init_tx_sa()
1447 	spin_lock_init(&tx_sa->lock);  in init_tx_sa()
1452 static void clear_tx_sa(struct macsec_tx_sa *tx_sa)  in clear_tx_sa()  argument
1454 	tx_sa->active = false;  in clear_tx_sa()
1456 	macsec_txsa_put(tx_sa);  in clear_tx_sa()
1514 	struct macsec_tx_sa *tx_sa;  in get_txsa_from_nl()  local
1531 	tx_sa = rtnl_dereference(tx_sc->sa[*assoc_num]);  in get_txsa_from_nl()
1532 	if (!tx_sa)  in get_txsa_from_nl()
1538 	return tx_sa;  in get_txsa_from_nl()
1963 	struct macsec_tx_sa *tx_sa;  in macsec_add_txsa()  local
2021 	tx_sa = rtnl_dereference(tx_sc->sa[assoc_num]);  in macsec_add_txsa()
2022 	if (tx_sa) {  in macsec_add_txsa()
2027 	tx_sa = kmalloc(sizeof(*tx_sa), GFP_KERNEL);  in macsec_add_txsa()
2028 	if (!tx_sa) {  in macsec_add_txsa()
2033 	err = init_tx_sa(tx_sa, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]),  in macsec_add_txsa()
2036 		kfree(tx_sa);  in macsec_add_txsa()
2041 	spin_lock_bh(&tx_sa->lock);  in macsec_add_txsa()
2042 	tx_sa->next_pn = nla_get_u64(tb_sa[MACSEC_SA_ATTR_PN]);  in macsec_add_txsa()
2043 	spin_unlock_bh(&tx_sa->lock);  in macsec_add_txsa()
2046 		tx_sa->active = !!nla_get_u8(tb_sa[MACSEC_SA_ATTR_ACTIVE]);  in macsec_add_txsa()
2049 	if (assoc_num == tx_sc->encoding_sa && tx_sa->active)  in macsec_add_txsa()
2064 		ctx.sa.tx_sa = tx_sa;  in macsec_add_txsa()
2076 		tx_sa->ssci = nla_get_ssci(tb_sa[MACSEC_SA_ATTR_SSCI]);  in macsec_add_txsa()
2077 		nla_memcpy(tx_sa->key.salt.bytes, tb_sa[MACSEC_SA_ATTR_SALT],  in macsec_add_txsa()
2081 	nla_memcpy(tx_sa->key.id, tb_sa[MACSEC_SA_ATTR_KEYID], MACSEC_KEYID_LEN);  in macsec_add_txsa()
2082 	rcu_assign_pointer(tx_sc->sa[assoc_num], tx_sa);  in macsec_add_txsa()
2090 	macsec_txsa_put(tx_sa);  in macsec_add_txsa()
2230 	struct macsec_tx_sa *tx_sa;  in macsec_del_txsa()  local
2242 	tx_sa = get_txsa_from_nl(genl_info_net(info), attrs, tb_sa,  in macsec_del_txsa()
2244 	if (IS_ERR(tx_sa)) {  in macsec_del_txsa()
2246 		return PTR_ERR(tx_sa);  in macsec_del_txsa()
2249 	if (tx_sa->active) {  in macsec_del_txsa()
2266 		ctx.sa.tx_sa = tx_sa;  in macsec_del_txsa()
2275 	clear_tx_sa(tx_sa);  in macsec_del_txsa()
2315 	struct macsec_tx_sa *tx_sa;  in macsec_upd_txsa()  local
2334 	tx_sa = get_txsa_from_nl(genl_info_net(info), attrs, tb_sa,  in macsec_upd_txsa()
2336 	if (IS_ERR(tx_sa)) {  in macsec_upd_txsa()
2338 		return PTR_ERR(tx_sa);  in macsec_upd_txsa()
2352 		spin_lock_bh(&tx_sa->lock);  in macsec_upd_txsa()
2353 		prev_pn = tx_sa->next_pn_halves;  in macsec_upd_txsa()
2354 		tx_sa->next_pn = nla_get_u64(tb_sa[MACSEC_SA_ATTR_PN]);  in macsec_upd_txsa()
2355 		spin_unlock_bh(&tx_sa->lock);  in macsec_upd_txsa()
2358 	was_active = tx_sa->active;  in macsec_upd_txsa()
2360 		tx_sa->active = nla_get_u8(tb_sa[MACSEC_SA_ATTR_ACTIVE]);  in macsec_upd_txsa()
2364 		secy->operational = tx_sa->active;  in macsec_upd_txsa()
2378 		ctx.sa.tx_sa = tx_sa;  in macsec_upd_txsa()
2392 		spin_lock_bh(&tx_sa->lock);  in macsec_upd_txsa()
2393 		tx_sa->next_pn_halves = prev_pn;  in macsec_upd_txsa()
2394 		spin_unlock_bh(&tx_sa->lock);  in macsec_upd_txsa()
2396 	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()
3719 		struct macsec_tx_sa *tx_sa;  in macsec_changelink_common()  local
3722 		tx_sa = rtnl_dereference(tx_sc->sa[tx_sc->encoding_sa]);  in macsec_changelink_common()
3724 		secy->operational = tx_sa && tx_sa->active;  in macsec_changelink_common()