ebpflow_header.ebpf

/*
 *
 * (C) 2018-22 - ntop.org
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 */

#include <uapi/linux/ptrace.h>
#include <net/sock.h>
#include <bcc/proto.h>
#include <linux/pid_namespace.h>
#include <uapi/linux/ip.h>
#include <uapi/linux/udp.h>
#include <uapi/linux/ipv6.h>
#include <linux/version.h>
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wtautological-compare"
#include <net/inet_sock.h>
#pragma clang diagnostic pop

struct sock_stats {
  struct sock *sk;
  u64    ts;
};

// hash map currsock
BPF_HASH(currsock, u32, struct sock_stats);

BPF_PERF_OUTPUT(ebpf_events);