OVPN_OPCODE_SIZE
__skb_push(skb, OVPN_OPCODE_SIZE);
BUILD_BUG_ON(sizeof(op) != OVPN_OPCODE_SIZE);
memcpy(iv, skb->data + OVPN_OPCODE_SIZE, OVPN_NONCE_WIRE_SIZE);
#define OVPN_AAD_SIZE (OVPN_OPCODE_SIZE + OVPN_NONCE_WIRE_SIZE)
return OVPN_OPCODE_SIZE + /* OP header size */
pid = (__force __be32 *)(skb->data + OVPN_OPCODE_SIZE);
#define OVPN_HEAD_ROOM (OVPN_OPCODE_SIZE + OVPN_NONCE_WIRE_SIZE + \
if (unlikely(pkt_len < OVPN_OPCODE_SIZE)) {
OVPN_OPCODE_SIZE))) {