145 		struct macsec_rx_sa *rx_sa;  member
723 	struct macsec_rx_sa *rx_sa = macsec_skb_cb(skb)->rx_sa;  in macsec_post_decrypt()  local
724 	struct pcpu_rx_sc_stats *rxsc_stats = this_cpu_ptr(rx_sa->sc->stats);  in macsec_post_decrypt()
728 	spin_lock(&rx_sa->lock);  in macsec_post_decrypt()
729 	if (rx_sa->next_pn_halves.lower >= secy->replay_window)  in macsec_post_decrypt()
730 		lowest_pn = rx_sa->next_pn_halves.lower - secy->replay_window;  in macsec_post_decrypt()
737 		spin_unlock(&rx_sa->lock);  in macsec_post_decrypt()
754 		spin_unlock(&rx_sa->lock);  in macsec_post_decrypt()
768 			this_cpu_inc(rx_sa->stats->InPktsInvalid);  in macsec_post_decrypt()
781 			this_cpu_inc(rx_sa->stats->InPktsOK);  in macsec_post_decrypt()
786 		if (pn + 1 > rx_sa->next_pn_halves.lower) {  in macsec_post_decrypt()
787 			rx_sa->next_pn_halves.lower = pn + 1;  in macsec_post_decrypt()
789 			   !pn_same_half(pn, rx_sa->next_pn_halves.lower)) {  in macsec_post_decrypt()
790 			rx_sa->next_pn_halves.upper++;  in macsec_post_decrypt()
791 			rx_sa->next_pn_halves.lower = pn + 1;  in macsec_post_decrypt()
794 		spin_unlock(&rx_sa->lock);  in macsec_post_decrypt()
834 	struct macsec_rx_sa *rx_sa = macsec_skb_cb(skb)->rx_sa;  in macsec_decrypt_done()  local
835 	struct macsec_rx_sc *rx_sc = rx_sa->sc;  in macsec_decrypt_done()
863 	macsec_rxsa_put(rx_sa);  in macsec_decrypt_done()
870 				      struct macsec_rx_sa *rx_sa,  in macsec_decrypt()  argument
893 	req = macsec_alloc_req(rx_sa->key.tfm, &iv, &sg, ret);  in macsec_decrypt()
903 		pn_t recovered_pn = rx_sa->next_pn_halves;  in macsec_decrypt()
906 		if (hdr_pn < rx_sa->next_pn_halves.lower &&  in macsec_decrypt()
907 		    !pn_same_half(hdr_pn, rx_sa->next_pn_halves.lower))  in macsec_decrypt()
910 		macsec_fill_iv_xpn(iv, rx_sa->ssci, recovered_pn.full64,  in macsec_decrypt()
911 				   rx_sa->key.salt);  in macsec_decrypt()
1076 	struct macsec_rx_sa *rx_sa;  in macsec_handle_frame()  local
1159 	rx_sa = macsec_rxsa_get(rx_sc->sa[macsec_skb_cb(skb)->assoc_num]);  in macsec_handle_frame()
1160 	if (!rx_sa) {  in macsec_handle_frame()
1188 		spin_lock(&rx_sa->lock);  in macsec_handle_frame()
1189 		late = rx_sa->next_pn_halves.lower >= secy->replay_window &&  in macsec_handle_frame()
1190 		       hdr_pn < (rx_sa->next_pn_halves.lower - secy->replay_window);  in macsec_handle_frame()
1193 			late = late && pn_same_half(rx_sa->next_pn_halves.lower, hdr_pn);  in macsec_handle_frame()
1194 		spin_unlock(&rx_sa->lock);  in macsec_handle_frame()
1204 	macsec_skb_cb(skb)->rx_sa = rx_sa;  in macsec_handle_frame()
1209 		skb = macsec_decrypt(skb, dev, rx_sa, sci, secy);  in macsec_handle_frame()
1214 			macsec_rxsa_put(rx_sa);  in macsec_handle_frame()
1230 	if (rx_sa)  in macsec_handle_frame()
1231 		macsec_rxsa_put(rx_sa);  in macsec_handle_frame()
1248 	macsec_rxsa_put(rx_sa);  in macsec_handle_frame()
1329 static int init_rx_sa(struct macsec_rx_sa *rx_sa, char *sak, int key_len,  in init_rx_sa()  argument
1332 	rx_sa->stats = alloc_percpu(struct macsec_rx_sa_stats);  in init_rx_sa()
1333 	if (!rx_sa->stats)  in init_rx_sa()
1336 	rx_sa->key.tfm = macsec_alloc_tfm(sak, key_len, icv_len);  in init_rx_sa()
1337 	if (IS_ERR(rx_sa->key.tfm)) {  in init_rx_sa()
1338 		free_percpu(rx_sa->stats);  in init_rx_sa()
1339 		return PTR_ERR(rx_sa->key.tfm);  in init_rx_sa()
1342 	rx_sa->ssci = MACSEC_UNDEF_SSCI;  in init_rx_sa()
1343 	rx_sa->active = false;  in init_rx_sa()
1344 	rx_sa->next_pn = 1;  in init_rx_sa()
1345 	refcount_set(&rx_sa->refcnt, 1);  in init_rx_sa()
1346 	spin_lock_init(&rx_sa->lock);  in init_rx_sa()
1351 static void clear_rx_sa(struct macsec_rx_sa *rx_sa)  in clear_rx_sa()  argument
1353 	rx_sa->active = false;  in clear_rx_sa()
1355 	macsec_rxsa_put(rx_sa);  in clear_rx_sa()
1579 	struct macsec_rx_sa *rx_sa;  in get_rxsa_from_nl()  local
1592 	rx_sa = rtnl_dereference(rx_sc->sa[*assoc_num]);  in get_rxsa_from_nl()
1593 	if (!rx_sa)  in get_rxsa_from_nl()
1597 	return rx_sa;  in get_rxsa_from_nl()
1716 	struct macsec_rx_sa *rx_sa;  in macsec_add_rxsa()  local
1775 	rx_sa = rtnl_dereference(rx_sc->sa[assoc_num]);  in macsec_add_rxsa()
1776 	if (rx_sa) {  in macsec_add_rxsa()
1781 	rx_sa = kmalloc(sizeof(*rx_sa), GFP_KERNEL);  in macsec_add_rxsa()
1782 	if (!rx_sa) {  in macsec_add_rxsa()
1787 	err = init_rx_sa(rx_sa, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]),  in macsec_add_rxsa()
1790 		kfree(rx_sa);  in macsec_add_rxsa()
1796 		spin_lock_bh(&rx_sa->lock);  in macsec_add_rxsa()
1797 		rx_sa->next_pn = nla_get_u64(tb_sa[MACSEC_SA_ATTR_PN]);  in macsec_add_rxsa()
1798 		spin_unlock_bh(&rx_sa->lock);  in macsec_add_rxsa()
1802 		rx_sa->active = !!nla_get_u8(tb_sa[MACSEC_SA_ATTR_ACTIVE]);  in macsec_add_rxsa()
1804 	rx_sa->sc = rx_sc;  in macsec_add_rxsa()
1818 		ctx.sa.rx_sa = rx_sa;  in macsec_add_rxsa()
1829 		rx_sa->ssci = nla_get_ssci(tb_sa[MACSEC_SA_ATTR_SSCI]);  in macsec_add_rxsa()
1830 		nla_memcpy(rx_sa->key.salt.bytes, tb_sa[MACSEC_SA_ATTR_SALT],  in macsec_add_rxsa()
1834 	nla_memcpy(rx_sa->key.id, tb_sa[MACSEC_SA_ATTR_KEYID], MACSEC_KEYID_LEN);  in macsec_add_rxsa()
1835 	rcu_assign_pointer(rx_sc->sa[assoc_num], rx_sa);  in macsec_add_rxsa()
1842 	macsec_rxsa_put(rx_sa);  in macsec_add_rxsa()
2096 	struct macsec_rx_sa *rx_sa;  in macsec_del_rxsa()  local
2112 	rx_sa = get_rxsa_from_nl(genl_info_net(info), attrs, tb_rxsc, tb_sa,  in macsec_del_rxsa()
2114 	if (IS_ERR(rx_sa)) {  in macsec_del_rxsa()
2116 		return PTR_ERR(rx_sa);  in macsec_del_rxsa()
2119 	if (rx_sa->active) {  in macsec_del_rxsa()
2136 		ctx.sa.rx_sa = rx_sa;  in macsec_del_rxsa()
2145 	clear_rx_sa(rx_sa);  in macsec_del_rxsa()
2403 	struct macsec_rx_sa *rx_sa;  in macsec_upd_rxsa()  local
2426 	rx_sa = get_rxsa_from_nl(genl_info_net(info), attrs, tb_rxsc, tb_sa,  in macsec_upd_rxsa()
2428 	if (IS_ERR(rx_sa)) {  in macsec_upd_rxsa()
2430 		return PTR_ERR(rx_sa);  in macsec_upd_rxsa()
2444 		spin_lock_bh(&rx_sa->lock);  in macsec_upd_rxsa()
2445 		prev_pn = rx_sa->next_pn_halves;  in macsec_upd_rxsa()
2446 		rx_sa->next_pn = nla_get_u64(tb_sa[MACSEC_SA_ATTR_PN]);  in macsec_upd_rxsa()
2447 		spin_unlock_bh(&rx_sa->lock);  in macsec_upd_rxsa()
2450 	was_active = rx_sa->active;  in macsec_upd_rxsa()
2452 		rx_sa->active = nla_get_u8(tb_sa[MACSEC_SA_ATTR_ACTIVE]);  in macsec_upd_rxsa()
2466 		ctx.sa.rx_sa = rx_sa;  in macsec_upd_rxsa()
2479 		spin_lock_bh(&rx_sa->lock);  in macsec_upd_rxsa()
2480 		rx_sa->next_pn_halves = prev_pn;  in macsec_upd_rxsa()
2481 		spin_unlock_bh(&rx_sa->lock);  in macsec_upd_rxsa()
2483 	rx_sa->active = was_active;  in macsec_upd_rxsa()
2706 			    struct macsec_rx_sa *rx_sa,  in get_rx_sa_stats()  argument
2720 			ctx.sa.rx_sa = rx_sa;  in get_rx_sa_stats()
2731 			per_cpu_ptr(rx_sa->stats, cpu);  in get_rx_sa_stats()
3182 			struct macsec_rx_sa *rx_sa = rtnl_dereference(rx_sc->sa[i]);  in dump_secy()  local
3187 			if (!rx_sa)  in dump_secy()
3207 			get_rx_sa_stats(dev, rx_sc, i, rx_sa, &rx_sa_stats);  in dump_secy()
3218 				pn = rx_sa->next_pn;  in dump_secy()
3221 				pn = rx_sa->next_pn_halves.lower;  in dump_secy()
3227 			    nla_put(skb, MACSEC_SA_ATTR_KEYID, MACSEC_KEYID_LEN, rx_sa->key.id) ||  in dump_secy()
3228 			    (secy->xpn && nla_put_ssci(skb, MACSEC_SA_ATTR_SSCI, rx_sa->ssci)) ||  in dump_secy()
3229 			    nla_put_u8(skb, MACSEC_SA_ATTR_ACTIVE, rx_sa->active)) {  in dump_secy()