OVPN_KEEPALIVE_SIZE
const unsigned char ovpn_keepalive_message[OVPN_KEEPALIVE_SIZE] = {
if (skb->len != OVPN_KEEPALIVE_SIZE)
if (!pskb_may_pull(skb, OVPN_KEEPALIVE_SIZE))
return !memcmp(skb->data, ovpn_keepalive_message, OVPN_KEEPALIVE_SIZE);
extern const unsigned char ovpn_keepalive_message[OVPN_KEEPALIVE_SIZE];