#ifndef _SOCK_H
#define _SOCK_H
+#include <linux/hardirq.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/list_nulls.h>
SOCK_TIMESTAMPING_SYS_HARDWARE, /* %SOF_TIMESTAMPING_SYS_HARDWARE */
SOCK_FASYNC, /* fasync() active */
SOCK_RXQ_OVFL,
+ SOCK_ZEROCOPY, /* buffers from userspace */
};
static inline void sock_copy_flags(struct sock *nsk, struct sock *osk)