138 		struct macsec_rx_sa *rx_sa;  member
737 	struct macsec_rx_sa *rx_sa = macsec_skb_cb(skb)->rx_sa;  in macsec_post_decrypt()  local
738 	struct pcpu_rx_sc_stats *rxsc_stats = this_cpu_ptr(rx_sa->sc->stats);  in macsec_post_decrypt()
742 	spin_lock(&rx_sa->lock);  in macsec_post_decrypt()
743 	if (rx_sa->next_pn_halves.lower >= secy->replay_window)  in macsec_post_decrypt()
744 		lowest_pn = rx_sa->next_pn_halves.lower - secy->replay_window;  in macsec_post_decrypt()
751 		spin_unlock(&rx_sa->lock);  in macsec_post_decrypt()
770 		spin_unlock(&rx_sa->lock);  in macsec_post_decrypt()
778 			this_cpu_inc(rx_sa->stats->InPktsNotValid);  in macsec_post_decrypt()
786 			this_cpu_inc(rx_sa->stats->InPktsInvalid);  in macsec_post_decrypt()
799 			this_cpu_inc(rx_sa->stats->InPktsOK);  in macsec_post_decrypt()
804 		if (pn + 1 > rx_sa->next_pn_halves.lower) {  in macsec_post_decrypt()
805 			rx_sa->next_pn_halves.lower = pn + 1;  in macsec_post_decrypt()
807 			   !pn_same_half(pn, rx_sa->next_pn_halves.lower)) {  in macsec_post_decrypt()
808 			rx_sa->next_pn_halves.upper++;  in macsec_post_decrypt()
809 			rx_sa->next_pn_halves.lower = pn + 1;  in macsec_post_decrypt()
812 		spin_unlock(&rx_sa->lock);  in macsec_post_decrypt()
847 	struct macsec_rx_sa *rx_sa = macsec_skb_cb(skb)->rx_sa;  in macsec_decrypt_done()  local
848 	struct macsec_rx_sc *rx_sc = rx_sa->sc;  in macsec_decrypt_done()
876 	macsec_rxsa_put(rx_sa);  in macsec_decrypt_done()
883 				      struct macsec_rx_sa *rx_sa,  in macsec_decrypt()  argument
906 	req = macsec_alloc_req(rx_sa->key.tfm, &iv, &sg, ret);  in macsec_decrypt()
916 		pn_t recovered_pn = rx_sa->next_pn_halves;  in macsec_decrypt()
919 		if (hdr_pn < rx_sa->next_pn_halves.lower &&  in macsec_decrypt()
920 		    !pn_same_half(hdr_pn, rx_sa->next_pn_halves.lower))  in macsec_decrypt()
923 		macsec_fill_iv_xpn(iv, rx_sa->ssci, recovered_pn.full64,  in macsec_decrypt()
924 				   rx_sa->key.salt);  in macsec_decrypt()
1132 	struct macsec_rx_sa *rx_sa;  in macsec_handle_frame()  local
1219 	rx_sa = macsec_rxsa_get(rx_sc->sa[macsec_skb_cb(skb)->assoc_num]);  in macsec_handle_frame()
1220 	if (!rx_sa) {  in macsec_handle_frame()
1249 		spin_lock(&rx_sa->lock);  in macsec_handle_frame()
1250 		late = rx_sa->next_pn_halves.lower >= secy->replay_window &&  in macsec_handle_frame()
1251 		       hdr_pn < (rx_sa->next_pn_halves.lower - secy->replay_window);  in macsec_handle_frame()
1254 			late = late && pn_same_half(rx_sa->next_pn_halves.lower, hdr_pn);  in macsec_handle_frame()
1255 		spin_unlock(&rx_sa->lock);  in macsec_handle_frame()
1266 	macsec_skb_cb(skb)->rx_sa = rx_sa;  in macsec_handle_frame()
1271 		skb = macsec_decrypt(skb, dev, rx_sa, sci, secy);  in macsec_handle_frame()
1276 			macsec_rxsa_put(rx_sa);  in macsec_handle_frame()
1293 	if (rx_sa)  in macsec_handle_frame()
1294 		macsec_rxsa_put(rx_sa);  in macsec_handle_frame()
1310 	macsec_rxsa_put(rx_sa);  in macsec_handle_frame()
1392 static int init_rx_sa(struct macsec_rx_sa *rx_sa, char *sak, int key_len,  in init_rx_sa()  argument
1395 	rx_sa->stats = alloc_percpu(struct macsec_rx_sa_stats);  in init_rx_sa()
1396 	if (!rx_sa->stats)  in init_rx_sa()
1399 	rx_sa->key.tfm = macsec_alloc_tfm(sak, key_len, icv_len);  in init_rx_sa()
1400 	if (IS_ERR(rx_sa->key.tfm)) {  in init_rx_sa()
1401 		free_percpu(rx_sa->stats);  in init_rx_sa()
1402 		return PTR_ERR(rx_sa->key.tfm);  in init_rx_sa()
1405 	rx_sa->ssci = MACSEC_UNDEF_SSCI;  in init_rx_sa()
1406 	rx_sa->active = false;  in init_rx_sa()
1407 	rx_sa->next_pn = 1;  in init_rx_sa()
1408 	refcount_set(&rx_sa->refcnt, 1);  in init_rx_sa()
1409 	spin_lock_init(&rx_sa->lock);  in init_rx_sa()
1414 static void clear_rx_sa(struct macsec_rx_sa *rx_sa)  in clear_rx_sa()  argument
1416 	rx_sa->active = false;  in clear_rx_sa()
1418 	macsec_rxsa_put(rx_sa);  in clear_rx_sa()
1640 	struct macsec_rx_sa *rx_sa;  in get_rxsa_from_nl()  local
1651 	rx_sa = rtnl_dereference(rx_sc->sa[*assoc_num]);  in get_rxsa_from_nl()
1652 	if (!rx_sa)  in get_rxsa_from_nl()
1656 	return rx_sa;  in get_rxsa_from_nl()
1743 	struct macsec_rx_sa *rx_sa;  in macsec_add_rxsa()  local
1794 	rx_sa = rtnl_dereference(rx_sc->sa[assoc_num]);  in macsec_add_rxsa()
1795 	if (rx_sa) {  in macsec_add_rxsa()
1800 	rx_sa = kmalloc_obj(*rx_sa);  in macsec_add_rxsa()
1801 	if (!rx_sa) {  in macsec_add_rxsa()
1806 	err = init_rx_sa(rx_sa, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]),  in macsec_add_rxsa()
1809 		kfree(rx_sa);  in macsec_add_rxsa()
1815 		spin_lock_bh(&rx_sa->lock);  in macsec_add_rxsa()
1816 		rx_sa->next_pn = nla_get_uint(tb_sa[MACSEC_SA_ATTR_PN]);  in macsec_add_rxsa()
1817 		spin_unlock_bh(&rx_sa->lock);  in macsec_add_rxsa()
1821 		rx_sa->active = !!nla_get_u8(tb_sa[MACSEC_SA_ATTR_ACTIVE]);  in macsec_add_rxsa()
1823 	rx_sa->sc = rx_sc;  in macsec_add_rxsa()
1826 		rx_sa->ssci = nla_get_ssci(tb_sa[MACSEC_SA_ATTR_SSCI]);  in macsec_add_rxsa()
1827 		nla_memcpy(rx_sa->key.salt.bytes, tb_sa[MACSEC_SA_ATTR_SALT],  in macsec_add_rxsa()
1843 		ctx.sa.rx_sa = rx_sa;  in macsec_add_rxsa()
1854 	nla_memcpy(rx_sa->key.id, tb_sa[MACSEC_SA_ATTR_KEYID], MACSEC_KEYID_LEN);  in macsec_add_rxsa()
1855 	rcu_assign_pointer(rx_sc->sa[assoc_num], rx_sa);  in macsec_add_rxsa()
1862 	macsec_rxsa_put(rx_sa);  in macsec_add_rxsa()
2082 	struct macsec_rx_sa *rx_sa;  in macsec_del_rxsa()  local
2098 	rx_sa = get_rxsa_from_nl(genl_info_net(info), attrs, tb_rxsc, tb_sa,  in macsec_del_rxsa()
2100 	if (IS_ERR(rx_sa)) {  in macsec_del_rxsa()
2102 		return PTR_ERR(rx_sa);  in macsec_del_rxsa()
2105 	if (rx_sa->active) {  in macsec_del_rxsa()
2122 		ctx.sa.rx_sa = rx_sa;  in macsec_del_rxsa()
2131 	clear_rx_sa(rx_sa);  in macsec_del_rxsa()
2379 	struct macsec_rx_sa *rx_sa;  in macsec_upd_rxsa()  local
2402 	rx_sa = get_rxsa_from_nl(genl_info_net(info), attrs, tb_rxsc, tb_sa,  in macsec_upd_rxsa()
2404 	if (IS_ERR(rx_sa)) {  in macsec_upd_rxsa()
2406 		return PTR_ERR(rx_sa);  in macsec_upd_rxsa()
2420 		spin_lock_bh(&rx_sa->lock);  in macsec_upd_rxsa()
2421 		prev_pn = rx_sa->next_pn_halves;  in macsec_upd_rxsa()
2422 		rx_sa->next_pn = nla_get_uint(tb_sa[MACSEC_SA_ATTR_PN]);  in macsec_upd_rxsa()
2423 		spin_unlock_bh(&rx_sa->lock);  in macsec_upd_rxsa()
2426 	was_active = rx_sa->active;  in macsec_upd_rxsa()
2428 		rx_sa->active = nla_get_u8(tb_sa[MACSEC_SA_ATTR_ACTIVE]);  in macsec_upd_rxsa()
2442 		ctx.sa.rx_sa = rx_sa;  in macsec_upd_rxsa()
2456 		spin_lock_bh(&rx_sa->lock);  in macsec_upd_rxsa()
2457 		rx_sa->next_pn_halves = prev_pn;  in macsec_upd_rxsa()
2458 		spin_unlock_bh(&rx_sa->lock);  in macsec_upd_rxsa()
2460 	rx_sa->active = was_active;  in macsec_upd_rxsa()
2727 			    struct macsec_rx_sa *rx_sa,  in get_rx_sa_stats()  argument
2741 			ctx.sa.rx_sa = rx_sa;  in get_rx_sa_stats()
2752 			per_cpu_ptr(rx_sa->stats, cpu);  in get_rx_sa_stats()
3203 			struct macsec_rx_sa *rx_sa = rtnl_dereference(rx_sc->sa[i]);  in dump_secy()  local
3208 			if (!rx_sa)  in dump_secy()
3228 			get_rx_sa_stats(dev, rx_sc, i, rx_sa, &rx_sa_stats);  in dump_secy()
3239 				pn = rx_sa->next_pn;  in dump_secy()
3242 				pn = rx_sa->next_pn_halves.lower;  in dump_secy()
3248 			    nla_put(skb, MACSEC_SA_ATTR_KEYID, MACSEC_KEYID_LEN, rx_sa->key.id) ||  in dump_secy()
3249 			    (secy->xpn && nla_put_ssci(skb, MACSEC_SA_ATTR_SSCI, rx_sa->ssci)) ||  in dump_secy()
3250 			    nla_put_u8(skb, MACSEC_SA_ATTR_ACTIVE, rx_sa->active)) {  in dump_secy()