270 static inline int tipc_ehdr_size(struct tipc_ehdr *ehdr);
731 	struct tipc_ehdr *ehdr;  in tipc_aead_encrypt()  local
791 	ehdr = (struct tipc_ehdr *)skb->data;  in tipc_aead_encrypt()
794 		salt ^= ehdr->addr; /* __be32 */  in tipc_aead_encrypt()
798 	memcpy(iv + 4, (u8 *)&ehdr->seqno, 8);  in tipc_aead_encrypt()
801 	ehsz = tipc_ehdr_size(ehdr);  in tipc_aead_encrypt()
885 	struct tipc_ehdr *ehdr;  in tipc_aead_decrypt()  local
922 	ehdr = (struct tipc_ehdr *)skb->data;  in tipc_aead_decrypt()
925 		salt ^= ehdr->addr; /* __be32 */  in tipc_aead_decrypt()
926 	else if (ehdr->destined)  in tipc_aead_decrypt()
929 	memcpy(iv + 4, (u8 *)&ehdr->seqno, 8);  in tipc_aead_decrypt()
932 	ehsz = tipc_ehdr_size(ehdr);  in tipc_aead_decrypt()
995 static inline int tipc_ehdr_size(struct tipc_ehdr *ehdr)  in tipc_ehdr_size()  argument
997 	return (ehdr->user != LINK_CONFIG) ? EHDR_SIZE : EHDR_CFG_SIZE;  in tipc_ehdr_size()
1008 	struct tipc_ehdr *ehdr;  in tipc_ehdr_validate()  local
1014 	ehdr = (struct tipc_ehdr *)skb->data;  in tipc_ehdr_validate()
1015 	if (unlikely(ehdr->version != TIPC_EVERSION))  in tipc_ehdr_validate()
1017 	ehsz = tipc_ehdr_size(ehdr);  in tipc_ehdr_validate()
1041 	struct tipc_ehdr *ehdr;  in tipc_ehdr_build()  local
1049 	ehdr = (struct tipc_ehdr *)skb_push(skb, ehsz);  in tipc_ehdr_build()
1065 	ehdr->seqno = cpu_to_be64(seqno);  in tipc_ehdr_build()
1068 	ehdr->version = TIPC_EVERSION;  in tipc_ehdr_build()
1069 	ehdr->user = 0;  in tipc_ehdr_build()
1070 	ehdr->keepalive = 0;  in tipc_ehdr_build()
1071 	ehdr->tx_key = tx_key;  in tipc_ehdr_build()
1072 	ehdr->destined = (__rx) ? 1 : 0;  in tipc_ehdr_build()
1073 	ehdr->rx_key_active = (__rx) ? __rx->key.active : 0;  in tipc_ehdr_build()
1074 	ehdr->rx_nokey = (__rx) ? __rx->nokey : 0;  in tipc_ehdr_build()
1075 	ehdr->master_key = aead->crypto->key_master;  in tipc_ehdr_build()
1076 	ehdr->reserved_1 = 0;  in tipc_ehdr_build()
1077 	ehdr->reserved_2 = 0;  in tipc_ehdr_build()
1081 		ehdr->user = LINK_CONFIG;  in tipc_ehdr_build()
1082 		memcpy(ehdr->id, tipc_own_id(net), NODE_ID_LEN);  in tipc_ehdr_build()
1086 			ehdr->user = LINK_PROTOCOL;  in tipc_ehdr_build()
1087 			ehdr->keepalive = msg_is_keepalive(hdr);  in tipc_ehdr_build()
1089 		ehdr->addr = hdr->hdr[3];  in tipc_ehdr_build()
1389 	struct tipc_ehdr *ehdr = (struct tipc_ehdr *)skb_network_header(skb);  in tipc_crypto_key_synch()  local
1399 	rx->key_master = ehdr->master_key;  in tipc_crypto_key_synch()
1404 	if (!ehdr->destined || msg_short(hdr) || msg_destnode(hdr) != self)  in tipc_crypto_key_synch()
1408 	if (ehdr->rx_nokey) {  in tipc_crypto_key_synch()
1427 	new = ehdr->rx_key_active;  in tipc_crypto_key_synch()
1899 	struct tipc_ehdr *ehdr;  in tipc_crypto_rcv_complete()  local
1922 		ehdr = (struct tipc_ehdr *)(*skb)->data;  in tipc_crypto_rcv_complete()
1924 			WARN_ON(ehdr->user != LINK_CONFIG);  in tipc_crypto_rcv_complete()
1925 			n = tipc_node_create(net, 0, ehdr->id, 0xffffu, 0,  in tipc_crypto_rcv_complete()
1933 		if (ehdr->tx_key == KEY_MASTER)  in tipc_crypto_rcv_complete()
1937 		if (tipc_crypto_key_attach(rx, tmp, ehdr->tx_key, false) < 0) {  in tipc_crypto_rcv_complete()
1958 	ehdr = (struct tipc_ehdr *)(*skb)->data;  in tipc_crypto_rcv_complete()
1961 	if (rx->key.passive && ehdr->tx_key == rx->key.passive)  in tipc_crypto_rcv_complete()
1965 	skb_pull(*skb, tipc_ehdr_size(ehdr));  in tipc_crypto_rcv_complete()