108 static u64_t msg_hash(struct bt_mesh_net_rx *rx, struct os_mbuf *pdu)  in msg_hash()  argument
113 	hash1 = (BT_MESH_NET_IVI_RX(rx) << 8) | pdu->om_data[2];  in msg_hash()
121 static bool msg_cache_match(struct bt_mesh_net_rx *rx,  in msg_cache_match()  argument
124 	u64_t hash = msg_hash(rx, pdu);  in msg_cache_match()
983 		       size_t data_len, struct bt_mesh_net_rx *rx,  in net_decrypt()  argument
989 	rx->old_iv = (IVI(data) != (bt_mesh.iv_index & 0x01));  in net_decrypt()
994 	if (bt_mesh_net_obfuscate(buf->om_data, BT_MESH_NET_IVI_RX(rx), priv)) {  in net_decrypt()
998 	if (rx->net_if == BT_MESH_NET_IF_ADV && msg_cache_match(rx, buf)) {  in net_decrypt()
1003 	rx->ctx.addr = SRC(buf->om_data);  in net_decrypt()
1004 	if (!BT_MESH_ADDR_IS_UNICAST(rx->ctx.addr)) {  in net_decrypt()
1005 		BT_WARN("Ignoring non-unicast src addr 0x%04x", rx->ctx.addr);  in net_decrypt()
1009 	BT_DBG("src 0x%04x", rx->ctx.addr);  in net_decrypt()
1012 	    rx->net_if == BT_MESH_NET_IF_PROXY_CFG) {  in net_decrypt()
1013 		return bt_mesh_net_decrypt(enc, buf, BT_MESH_NET_IVI_RX(rx),  in net_decrypt()
1017 	return bt_mesh_net_decrypt(enc, buf, BT_MESH_NET_IVI_RX(rx), false);  in net_decrypt()
1023 			  size_t data_len, struct bt_mesh_net_rx *rx,  in friend_decrypt()  argument
1039 				 data, data_len, rx, buf)) {  in friend_decrypt()
1049 				 data, data_len, rx, buf)) {  in friend_decrypt()
1050 			rx->new_key = 1;  in friend_decrypt()
1060 				 struct bt_mesh_net_rx *rx,  in net_find_and_decrypt()  argument
1076 		if (!friend_decrypt(sub, data, data_len, rx, buf)) {  in net_find_and_decrypt()
1077 			rx->friend_cred = 1;  in net_find_and_decrypt()
1078 			rx->ctx.net_idx = sub->net_idx;  in net_find_and_decrypt()
1079 			rx->sub = sub;  in net_find_and_decrypt()
1086 				 data, data_len, rx, buf)) {  in net_find_and_decrypt()
1087 			rx->ctx.net_idx = sub->net_idx;  in net_find_and_decrypt()
1088 			rx->sub = sub;  in net_find_and_decrypt()
1098 				 data, data_len, rx, buf)) {  in net_find_and_decrypt()
1099 			rx->new_key = 1;  in net_find_and_decrypt()
1100 			rx->ctx.net_idx = sub->net_idx;  in net_find_and_decrypt()
1101 			rx->sub = sub;  in net_find_and_decrypt()
1129 			      struct bt_mesh_net_rx *rx)  in bt_mesh_net_relay()  argument
1135 	if (rx->net_if == BT_MESH_NET_IF_LOCAL) {  in bt_mesh_net_relay()
1142 		if (rx->ctx.recv_ttl == 1) {  in bt_mesh_net_relay()
1146 		if (rx->ctx.recv_ttl <= 1) {  in bt_mesh_net_relay()
1151 	if (rx->net_if == BT_MESH_NET_IF_ADV &&  in bt_mesh_net_relay()
1157 	BT_DBG("TTL %u CTL %u dst 0x%04x", rx->ctx.recv_ttl, rx->ctl,  in bt_mesh_net_relay()
1158 	       rx->ctx.recv_dst);  in bt_mesh_net_relay()
1164 	if (rx->net_if == BT_MESH_NET_IF_ADV) {  in bt_mesh_net_relay()
1177 	if (rx->net_if != BT_MESH_NET_IF_LOCAL) {  in bt_mesh_net_relay()
1180 		sbuf->om_data[1] |= rx->ctx.recv_ttl - 1;  in bt_mesh_net_relay()
1185 	enc = rx->sub->keys[rx->sub->kr_flag].enc;  in bt_mesh_net_relay()
1186 	priv = rx->sub->keys[rx->sub->kr_flag].privacy;  in bt_mesh_net_relay()
1187 	nid = rx->sub->keys[rx->sub->kr_flag].nid;  in bt_mesh_net_relay()
1191 	/* Update NID if RX or RX was with friend credentials */  in bt_mesh_net_relay()
1192 	if (rx->friend_cred) {  in bt_mesh_net_relay()
1201 	if (bt_mesh_net_encrypt(enc, buf, BT_MESH_NET_IVI_RX(rx), false)) {  in bt_mesh_net_relay()
1206 	if (bt_mesh_net_obfuscate(buf->om_data, BT_MESH_NET_IVI_RX(rx), priv)) {  in bt_mesh_net_relay()
1219 	     rx->net_if == BT_MESH_NET_IF_LOCAL)) {  in bt_mesh_net_relay()
1220 		if (bt_mesh_proxy_relay(buf, rx->ctx.recv_dst) &&  in bt_mesh_net_relay()
1221 		    BT_MESH_ADDR_IS_UNICAST(rx->ctx.recv_dst)) {  in bt_mesh_net_relay()
1226 	if (relay_to_adv(rx->net_if)) {  in bt_mesh_net_relay()
1235 		       struct bt_mesh_net_rx *rx, struct os_mbuf *buf)  in bt_mesh_net_decode()  argument
1251 	rx->net_if = net_if;  in bt_mesh_net_decode()
1253 	if (!net_find_and_decrypt(data->om_data, data->om_len, rx, buf)) {  in bt_mesh_net_decode()
1259 	rx->ctx.app_idx = BT_MESH_KEY_UNUSED;  in bt_mesh_net_decode()
1261 	rx->ctx.recv_ttl = TTL(buf->om_data);  in bt_mesh_net_decode()
1264 	if (rx->ctx.recv_ttl == 0) {  in bt_mesh_net_decode()
1265 		rx->ctx.send_ttl = 0;  in bt_mesh_net_decode()
1267 		rx->ctx.send_ttl = BT_MESH_TTL_DEFAULT;  in bt_mesh_net_decode()
1270 	rx->ctl = CTL(buf->om_data);  in bt_mesh_net_decode()
1271 	rx->seq = SEQ(buf->om_data);  in bt_mesh_net_decode()
1272 	rx->ctx.recv_dst = DST(buf->om_data);  in bt_mesh_net_decode()
1278 	    rx->ctx.recv_dst == BT_MESH_ADDR_UNASSIGNED) {  in bt_mesh_net_decode()
1283 	if (BT_MESH_ADDR_IS_RFU(rx->ctx.recv_dst)) {  in bt_mesh_net_decode()
1288 	if (net_if != BT_MESH_NET_IF_LOCAL && bt_mesh_elem_find(rx->ctx.addr)) {  in bt_mesh_net_decode()
1293 	BT_DBG("src 0x%04x dst 0x%04x ttl %u", rx->ctx.addr, rx->ctx.recv_dst,  in bt_mesh_net_decode()
1294 	       rx->ctx.recv_ttl);  in bt_mesh_net_decode()
1304 	struct bt_mesh_net_rx rx = { .rssi = rssi };  in bt_mesh_net_recv()  local
1314 	if (bt_mesh_net_decode(data, net_if, &rx, buf)) {  in bt_mesh_net_recv()
1323 		bt_mesh_proxy_addr_add(data, rx.ctx.addr);  in bt_mesh_net_recv()
1326 	rx.local_match = (bt_mesh_fixed_group_match(rx.ctx.recv_dst) ||  in bt_mesh_net_recv()
1327 			  bt_mesh_elem_find(rx.ctx.recv_dst));  in bt_mesh_net_recv()
1329 	bt_mesh_trans_recv(buf, &rx);  in bt_mesh_net_recv()
1334 	if (!BT_MESH_ADDR_IS_UNICAST(rx.ctx.recv_dst) ||  in bt_mesh_net_recv()
1335 	    (!rx.local_match && !rx.friend_match)) {  in bt_mesh_net_recv()
1337 		bt_mesh_net_relay(buf, &rx);  in bt_mesh_net_recv()