142 		struct macsec_rx_sa *rx_sa;  member
725 	struct macsec_rx_sa *rx_sa = macsec_skb_cb(skb)->rx_sa;  in macsec_post_decrypt()  local
726 	struct pcpu_rx_sc_stats *rxsc_stats = this_cpu_ptr(rx_sa->sc->stats);  in macsec_post_decrypt()
730 	spin_lock(&rx_sa->lock);  in macsec_post_decrypt()
731 	if (rx_sa->next_pn_halves.lower >= secy->replay_window)  in macsec_post_decrypt()
732 		lowest_pn = rx_sa->next_pn_halves.lower - secy->replay_window;  in macsec_post_decrypt()
739 		spin_unlock(&rx_sa->lock);  in macsec_post_decrypt()
756 		spin_unlock(&rx_sa->lock);  in macsec_post_decrypt()
770 			this_cpu_inc(rx_sa->stats->InPktsInvalid);  in macsec_post_decrypt()
783 			this_cpu_inc(rx_sa->stats->InPktsOK);  in macsec_post_decrypt()
788 		if (pn + 1 > rx_sa->next_pn_halves.lower) {  in macsec_post_decrypt()
789 			rx_sa->next_pn_halves.lower = pn + 1;  in macsec_post_decrypt()
791 			   !pn_same_half(pn, rx_sa->next_pn_halves.lower)) {  in macsec_post_decrypt()
792 			rx_sa->next_pn_halves.upper++;  in macsec_post_decrypt()
793 			rx_sa->next_pn_halves.lower = pn + 1;  in macsec_post_decrypt()
796 		spin_unlock(&rx_sa->lock);  in macsec_post_decrypt()
836 	struct macsec_rx_sa *rx_sa = macsec_skb_cb(skb)->rx_sa;  in macsec_decrypt_done()  local
837 	struct macsec_rx_sc *rx_sc = rx_sa->sc;  in macsec_decrypt_done()
865 	macsec_rxsa_put(rx_sa);  in macsec_decrypt_done()
872 				      struct macsec_rx_sa *rx_sa,  in macsec_decrypt()  argument
895 	req = macsec_alloc_req(rx_sa->key.tfm, &iv, &sg, ret);  in macsec_decrypt()
905 		pn_t recovered_pn = rx_sa->next_pn_halves;  in macsec_decrypt()
908 		if (hdr_pn < rx_sa->next_pn_halves.lower &&  in macsec_decrypt()
909 		    !pn_same_half(hdr_pn, rx_sa->next_pn_halves.lower))  in macsec_decrypt()
912 		macsec_fill_iv_xpn(iv, rx_sa->ssci, recovered_pn.full64,  in macsec_decrypt()
913 				   rx_sa->key.salt);  in macsec_decrypt()
1078 	struct macsec_rx_sa *rx_sa;  in macsec_handle_frame()  local
1161 	rx_sa = macsec_rxsa_get(rx_sc->sa[macsec_skb_cb(skb)->assoc_num]);  in macsec_handle_frame()
1162 	if (!rx_sa) {  in macsec_handle_frame()
1190 		spin_lock(&rx_sa->lock);  in macsec_handle_frame()
1191 		late = rx_sa->next_pn_halves.lower >= secy->replay_window &&  in macsec_handle_frame()
1192 		       hdr_pn < (rx_sa->next_pn_halves.lower - secy->replay_window);  in macsec_handle_frame()
1195 			late = late && pn_same_half(rx_sa->next_pn_halves.lower, hdr_pn);  in macsec_handle_frame()
1196 		spin_unlock(&rx_sa->lock);  in macsec_handle_frame()
1206 	macsec_skb_cb(skb)->rx_sa = rx_sa;  in macsec_handle_frame()
1211 		skb = macsec_decrypt(skb, dev, rx_sa, sci, secy);  in macsec_handle_frame()
1216 			macsec_rxsa_put(rx_sa);  in macsec_handle_frame()
1232 	if (rx_sa)  in macsec_handle_frame()
1233 		macsec_rxsa_put(rx_sa);  in macsec_handle_frame()
1250 	macsec_rxsa_put(rx_sa);  in macsec_handle_frame()
1331 static int init_rx_sa(struct macsec_rx_sa *rx_sa, char *sak, int key_len,  in init_rx_sa()  argument
1334 	rx_sa->stats = alloc_percpu(struct macsec_rx_sa_stats);  in init_rx_sa()
1335 	if (!rx_sa->stats)  in init_rx_sa()
1338 	rx_sa->key.tfm = macsec_alloc_tfm(sak, key_len, icv_len);  in init_rx_sa()
1339 	if (IS_ERR(rx_sa->key.tfm)) {  in init_rx_sa()
1340 		free_percpu(rx_sa->stats);  in init_rx_sa()
1341 		return PTR_ERR(rx_sa->key.tfm);  in init_rx_sa()
1344 	rx_sa->ssci = MACSEC_UNDEF_SSCI;  in init_rx_sa()
1345 	rx_sa->active = false;  in init_rx_sa()
1346 	rx_sa->next_pn = 1;  in init_rx_sa()
1347 	refcount_set(&rx_sa->refcnt, 1);  in init_rx_sa()
1348 	spin_lock_init(&rx_sa->lock);  in init_rx_sa()
1353 static void clear_rx_sa(struct macsec_rx_sa *rx_sa)  in clear_rx_sa()  argument
1355 	rx_sa->active = false;  in clear_rx_sa()
1357 	macsec_rxsa_put(rx_sa);  in clear_rx_sa()
1582 	struct macsec_rx_sa *rx_sa;  in get_rxsa_from_nl()  local
1595 	rx_sa = rtnl_dereference(rx_sc->sa[*assoc_num]);  in get_rxsa_from_nl()
1596 	if (!rx_sa)  in get_rxsa_from_nl()
1600 	return rx_sa;  in get_rxsa_from_nl()
1719 	struct macsec_rx_sa *rx_sa;  in macsec_add_rxsa()  local
1778 	rx_sa = rtnl_dereference(rx_sc->sa[assoc_num]);  in macsec_add_rxsa()
1779 	if (rx_sa) {  in macsec_add_rxsa()
1784 	rx_sa = kmalloc(sizeof(*rx_sa), GFP_KERNEL);  in macsec_add_rxsa()
1785 	if (!rx_sa) {  in macsec_add_rxsa()
1790 	err = init_rx_sa(rx_sa, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]),  in macsec_add_rxsa()
1793 		kfree(rx_sa);  in macsec_add_rxsa()
1799 		spin_lock_bh(&rx_sa->lock);  in macsec_add_rxsa()
1800 		rx_sa->next_pn = nla_get_u64(tb_sa[MACSEC_SA_ATTR_PN]);  in macsec_add_rxsa()
1801 		spin_unlock_bh(&rx_sa->lock);  in macsec_add_rxsa()
1805 		rx_sa->active = !!nla_get_u8(tb_sa[MACSEC_SA_ATTR_ACTIVE]);  in macsec_add_rxsa()
1807 	rx_sa->sc = rx_sc;  in macsec_add_rxsa()
1821 		ctx.sa.rx_sa = rx_sa;  in macsec_add_rxsa()
1833 		rx_sa->ssci = nla_get_ssci(tb_sa[MACSEC_SA_ATTR_SSCI]);  in macsec_add_rxsa()
1834 		nla_memcpy(rx_sa->key.salt.bytes, tb_sa[MACSEC_SA_ATTR_SALT],  in macsec_add_rxsa()
1838 	nla_memcpy(rx_sa->key.id, tb_sa[MACSEC_SA_ATTR_KEYID], MACSEC_KEYID_LEN);  in macsec_add_rxsa()
1839 	rcu_assign_pointer(rx_sc->sa[assoc_num], rx_sa);  in macsec_add_rxsa()
1846 	macsec_rxsa_put(rx_sa);  in macsec_add_rxsa()
2101 	struct macsec_rx_sa *rx_sa;  in macsec_del_rxsa()  local
2117 	rx_sa = get_rxsa_from_nl(genl_info_net(info), attrs, tb_rxsc, tb_sa,  in macsec_del_rxsa()
2119 	if (IS_ERR(rx_sa)) {  in macsec_del_rxsa()
2121 		return PTR_ERR(rx_sa);  in macsec_del_rxsa()
2124 	if (rx_sa->active) {  in macsec_del_rxsa()
2141 		ctx.sa.rx_sa = rx_sa;  in macsec_del_rxsa()
2150 	clear_rx_sa(rx_sa);  in macsec_del_rxsa()
2408 	struct macsec_rx_sa *rx_sa;  in macsec_upd_rxsa()  local
2431 	rx_sa = get_rxsa_from_nl(genl_info_net(info), attrs, tb_rxsc, tb_sa,  in macsec_upd_rxsa()
2433 	if (IS_ERR(rx_sa)) {  in macsec_upd_rxsa()
2435 		return PTR_ERR(rx_sa);  in macsec_upd_rxsa()
2449 		spin_lock_bh(&rx_sa->lock);  in macsec_upd_rxsa()
2450 		prev_pn = rx_sa->next_pn_halves;  in macsec_upd_rxsa()
2451 		rx_sa->next_pn = nla_get_u64(tb_sa[MACSEC_SA_ATTR_PN]);  in macsec_upd_rxsa()
2452 		spin_unlock_bh(&rx_sa->lock);  in macsec_upd_rxsa()
2455 	was_active = rx_sa->active;  in macsec_upd_rxsa()
2457 		rx_sa->active = nla_get_u8(tb_sa[MACSEC_SA_ATTR_ACTIVE]);  in macsec_upd_rxsa()
2471 		ctx.sa.rx_sa = rx_sa;  in macsec_upd_rxsa()
2484 		spin_lock_bh(&rx_sa->lock);  in macsec_upd_rxsa()
2485 		rx_sa->next_pn_halves = prev_pn;  in macsec_upd_rxsa()
2486 		spin_unlock_bh(&rx_sa->lock);  in macsec_upd_rxsa()
2488 	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()