SM0 She11

Full Path (server): /usr/include/linux

📄 a.out.h [E] [D]
📄 acct.h [E] [D]
📄 adb.h [E] [D]
📄 adfs_fs.h [E] [D]
📄 affs_hardblocks.h [E] [D]
📄 agpgart.h [E] [D]
📄 aio_abi.h [E] [D]
📄 apm_bios.h [E] [D]
📄 arcfb.h [E] [D]
📄 atalk.h [E] [D]
📄 atm.h [E] [D]
📄 atm_eni.h [E] [D]
📄 atm_he.h [E] [D]
📄 atm_idt77105.h [E] [D]
📄 atm_nicstar.h [E] [D]
📄 atm_tcp.h [E] [D]
📄 atm_zatm.h [E] [D]
📄 atmapi.h [E] [D]
📄 atmarp.h [E] [D]
📄 atmbr2684.h [E] [D]
📄 atmclip.h [E] [D]
📄 atmdev.h [E] [D]
📄 atmioc.h [E] [D]
📄 atmlec.h [E] [D]
📄 atmmpc.h [E] [D]
📄 atmppp.h [E] [D]
📄 atmsap.h [E] [D]
📄 atmsvc.h [E] [D]
📄 audit.h [E] [D]
📄 auto_fs.h [E] [D]
📄 auto_fs4.h [E] [D]
📄 auxvec.h [E] [D]
📄 ax25.h [E] [D]
📄 b1lli.h [E] [D]
📄 baycom.h [E] [D]
📄 bfs_fs.h [E] [D]
📄 binfmts.h [E] [D]
📄 blkpg.h [E] [D]
📄 blktrace_api.h [E] [D]
📄 bpf.h [E] [D]
📄 bpf_common.h [E] [D]
📄 bpf_perf_event.h [E] [D]
📄 bpqether.h [E] [D]
📄 bsg.h [E] [D]
📄 bt-bmc.h [E] [D]
📄 btrfs.h [E] [D]
📁 byteorder Open [D]
📁 caif Open [D]
📁 can Open [D]
📄 can.h [E] [D]
📄 capability.h [E] [D]
📄 capi.h [E] [D]
📄 cciss_defs.h [E] [D]
📄 cciss_ioctl.h [E] [D]
📄 cdrom.h [E] [D]
📄 cgroupstats.h [E] [D]
📄 chio.h [E] [D]
📄 cm4000_cs.h [E] [D]
📄 cn_proc.h [E] [D]
📄 coda.h [E] [D]
📄 coda_psdev.h [E] [D]
📄 coff.h [E] [D]
📄 connector.h [E] [D]
📄 const.h [E] [D]
📄 cramfs_fs.h [E] [D]
📄 cuda.h [E] [D]
📄 cyclades.h [E] [D]
📄 cycx_cfm.h [E] [D]
📄 dcbnl.h [E] [D]
📄 dccp.h [E] [D]
📄 devlink.h [E] [D]
📄 dlm.h [E] [D]
📄 dlm_device.h [E] [D]
📄 dlm_netlink.h [E] [D]
📄 dlm_plock.h [E] [D]
📄 dlmconstants.h [E] [D]
📄 dm-ioctl.h [E] [D]
📄 dm-log-userspace.h [E] [D]
📄 dn.h [E] [D]
📄 dqblk_xfs.h [E] [D]
📁 dvb Open [D]
📄 edd.h [E] [D]
📄 efs_fs_sb.h [E] [D]
📄 elf-em.h [E] [D]
📄 elf-fdpic.h [E] [D]
📄 elf.h [E] [D]
📄 elfcore.h [E] [D]
📄 errno.h [E] [D]
📄 errqueue.h [E] [D]
📄 ethtool.h [E] [D]
📄 eventpoll.h [E] [D]
📄 fadvise.h [E] [D]
📄 falloc.h [E] [D]
📄 fanotify.h [E] [D]
📄 fb.h [E] [D]
📄 fcntl.h [E] [D]
📄 fd.h [E] [D]
📄 fdreg.h [E] [D]
📄 fib_rules.h [E] [D]
📄 fiemap.h [E] [D]
📄 filter.h [E] [D]
📄 firewire-cdev.h [E] [D]
📄 firewire-constants.h [E] [D]
📄 flat.h [E] [D]
📄 fou.h [E] [D]
📄 fs.h [E] [D]
📄 fsl_hypervisor.h [E] [D]
📄 fuse.h [E] [D]
📄 futex.h [E] [D]
📄 gameport.h [E] [D]
📄 gen_stats.h [E] [D]
📄 genetlink.h [E] [D]
📄 gfs2_ondisk.h [E] [D]
📄 gigaset_dev.h [E] [D]
📁 hdlc Open [D]
📄 hdlc.h [E] [D]
📄 hdlcdrv.h [E] [D]
📄 hdreg.h [E] [D]
📄 hid.h [E] [D]
📄 hiddev.h [E] [D]
📄 hidraw.h [E] [D]
📄 hpet.h [E] [D]
📁 hsi Open [D]
📄 hw_breakpoint.h [E] [D]
📄 hyperv.h [E] [D]
📄 hysdn_if.h [E] [D]
📄 i2c-dev.h [E] [D]
📄 i2c.h [E] [D]
📄 i2o-dev.h [E] [D]
📄 i8k.h [E] [D]
📄 icmp.h [E] [D]
📄 icmpv6.h [E] [D]
📄 if.h [E] [D]
📄 if_addr.h [E] [D]
📄 if_addrlabel.h [E] [D]
📄 if_alg.h [E] [D]
📄 if_arcnet.h [E] [D]
📄 if_arp.h [E] [D]
📄 if_bonding.h [E] [D]
📄 if_bridge.h [E] [D]
📄 if_cablemodem.h [E] [D]
📄 if_eql.h [E] [D]
📄 if_ether.h [E] [D]
📄 if_fc.h [E] [D]
📄 if_fddi.h [E] [D]
📄 if_frad.h [E] [D]
📄 if_hippi.h [E] [D]
📄 if_infiniband.h [E] [D]
📄 if_link.h [E] [D]
📄 if_ltalk.h [E] [D]
📄 if_macsec.h [E] [D]
📄 if_packet.h [E] [D]
📄 if_phonet.h [E] [D]
📄 if_plip.h [E] [D]
📄 if_ppp.h [E] [D]
📄 if_pppol2tp.h [E] [D]
📄 if_pppox.h [E] [D]
📄 if_slip.h [E] [D]
📄 if_team.h [E] [D]
📄 if_tun.h [E] [D]
📄 if_tunnel.h [E] [D]
📄 if_vlan.h [E] [D]
📄 if_x25.h [E] [D]
📄 ife.h [E] [D]
📄 igmp.h [E] [D]
📁 iio Open [D]
📄 in.h [E] [D]
📄 in6.h [E] [D]
📄 in_route.h [E] [D]
📄 inet_diag.h [E] [D]
📄 inotify.h [E] [D]
📄 input.h [E] [D]
📄 ioctl.h [E] [D]
📄 ip.h [E] [D]
📄 ip6_tunnel.h [E] [D]
📄 ip_vs.h [E] [D]
📄 ipc.h [E] [D]
📄 ipmi.h [E] [D]
📄 ipmi_msgdefs.h [E] [D]
📄 ipsec.h [E] [D]
📄 ipv6.h [E] [D]
📄 ipv6_route.h [E] [D]
📄 ipx.h [E] [D]
📄 irda.h [E] [D]
📄 irqnr.h [E] [D]
📁 isdn Open [D]
📄 isdn.h [E] [D]
📄 isdn_divertif.h [E] [D]
📄 isdn_ppp.h [E] [D]
📄 isdnif.h [E] [D]
📄 iso_fs.h [E] [D]
📄 ivtv.h [E] [D]
📄 ivtvfb.h [E] [D]
📄 ixjuser.h [E] [D]
📄 jffs2.h [E] [D]
📄 joystick.h [E] [D]
📄 kd.h [E] [D]
📄 kdev_t.h [E] [D]
📄 kernel-page-flags.h [E] [D]
📄 kernel.h [E] [D]
📄 kernelcapi.h [E] [D]
📄 kexec.h [E] [D]
📄 keyboard.h [E] [D]
📄 keyctl.h [E] [D]
📄 kvm.h [E] [D]
📄 kvm_para.h [E] [D]
📄 l2tp.h [E] [D]
📄 libc-compat.h [E] [D]
📄 limits.h [E] [D]
📄 llc.h [E] [D]
📄 loop.h [E] [D]
📄 lp.h [E] [D]
📄 lwtunnel.h [E] [D]
📄 magic.h [E] [D]
📄 major.h [E] [D]
📄 map_to_7segment.h [E] [D]
📄 matroxfb.h [E] [D]
📄 mdio.h [E] [D]
📄 media.h [E] [D]
📄 mei.h [E] [D]
📄 membarrier.h [E] [D]
📄 memfd.h [E] [D]
📄 mempolicy.h [E] [D]
📄 meye.h [E] [D]
📄 mii.h [E] [D]
📄 minix_fs.h [E] [D]
📄 mman.h [E] [D]
📁 mmc Open [D]
📄 mmtimer.h [E] [D]
📄 mpls.h [E] [D]
📄 mqueue.h [E] [D]
📄 mroute.h [E] [D]
📄 mroute6.h [E] [D]
📄 msdos_fs.h [E] [D]
📄 msg.h [E] [D]
📄 mtio.h [E] [D]
📄 n_r3964.h [E] [D]
📄 nbd.h [E] [D]
📄 ncp.h [E] [D]
📄 ncp_fs.h [E] [D]
📄 ncp_mount.h [E] [D]
📄 ncp_no.h [E] [D]
📄 ndctl.h [E] [D]
📄 neighbour.h [E] [D]
📄 net.h [E] [D]
📄 net_dropmon.h [E] [D]
📄 net_namespace.h [E] [D]
📄 net_tstamp.h [E] [D]
📄 netconf.h [E] [D]
📄 netdevice.h [E] [D]
📁 netfilter Open [D]
📄 netfilter.h [E] [D]
📁 netfilter_arp Open [D]
📄 netfilter_arp.h [E] [D]
📁 netfilter_bridge Open [D]
📄 netfilter_bridge.h [E] [D]
📄 netfilter_decnet.h [E] [D]
📁 netfilter_ipv4 Open [D]
📄 netfilter_ipv4.h [E] [D]
📁 netfilter_ipv6 Open [D]
📄 netfilter_ipv6.h [E] [D]
📄 netlink.h [E] [D]
📄 netlink_diag.h [E] [D]
📄 netrom.h [E] [D]
📄 nfc.h [E] [D]
📄 nfs.h [E] [D]
📄 nfs2.h [E] [D]
📄 nfs3.h [E] [D]
📄 nfs4.h [E] [D]
📄 nfs4_mount.h [E] [D]
📄 nfs_fs.h [E] [D]
📄 nfs_idmap.h [E] [D]
📄 nfs_mount.h [E] [D]
📄 nfsacl.h [E] [D]
📁 nfsd Open [D]
📄 nl80211.h [E] [D]
📄 nubus.h [E] [D]
📄 nvme_ioctl.h [E] [D]
📄 nvram.h [E] [D]
📄 omap3isp.h [E] [D]
📄 omapfb.h [E] [D]
📄 oom.h [E] [D]
📄 openvswitch.h [E] [D]
📄 packet_diag.h [E] [D]
📄 param.h [E] [D]
📄 parport.h [E] [D]
📄 patchkey.h [E] [D]
📄 pci.h [E] [D]
📄 pci_regs.h [E] [D]
📄 perf_event.h [E] [D]
📄 personality.h [E] [D]
📄 pfkeyv2.h [E] [D]
📄 pg.h [E] [D]
📄 phantom.h [E] [D]
📄 phonet.h [E] [D]
📄 pkt_cls.h [E] [D]
📄 pkt_sched.h [E] [D]
📄 pktcdvd.h [E] [D]
📄 pmu.h [E] [D]
📄 poll.h [E] [D]
📄 posix_types.h [E] [D]
📄 ppdev.h [E] [D]
📄 ppp-comp.h [E] [D]
📄 ppp-ioctl.h [E] [D]
📄 ppp_defs.h [E] [D]
📄 pps.h [E] [D]
📄 prctl.h [E] [D]
📄 psample.h [E] [D]
📄 ptp_clock.h [E] [D]
📄 ptrace.h [E] [D]
📄 qnx4_fs.h [E] [D]
📄 qnxtypes.h [E] [D]
📄 quota.h [E] [D]
📄 radeonfb.h [E] [D]
📁 raid Open [D]
📄 random.h [E] [D]
📄 raw.h [E] [D]
📄 rds.h [E] [D]
📄 reboot.h [E] [D]
📄 reiserfs_fs.h [E] [D]
📄 reiserfs_xattr.h [E] [D]
📄 resource.h [E] [D]
📄 rfkill.h [E] [D]
📄 romfs_fs.h [E] [D]
📄 rose.h [E] [D]
📄 route.h [E] [D]
📄 rtc.h [E] [D]
📄 rtnetlink.h [E] [D]
📄 scc.h [E] [D]
📄 sched.h [E] [D]
📄 screen_info.h [E] [D]
📄 sctp.h [E] [D]
📄 sdla.h [E] [D]
📄 seccomp.h [E] [D]
📄 securebits.h [E] [D]
📄 selinux_netlink.h [E] [D]
📄 sem.h [E] [D]
📄 serial.h [E] [D]
📄 serial_core.h [E] [D]
📄 serial_reg.h [E] [D]
📄 serio.h [E] [D]
📄 shm.h [E] [D]
📄 signal.h [E] [D]
📄 signalfd.h [E] [D]
📄 snmp.h [E] [D]
📄 sock_diag.h [E] [D]
📄 socket.h [E] [D]
📄 sockios.h [E] [D]
📄 som.h [E] [D]
📄 sonet.h [E] [D]
📄 sonypi.h [E] [D]
📄 sound.h [E] [D]
📄 soundcard.h [E] [D]
📁 spi Open [D]
📄 stat.h [E] [D]
📄 stddef.h [E] [D]
📄 string.h [E] [D]
📁 sunrpc Open [D]
📄 suspend_ioctls.h [E] [D]
📄 swab.h [E] [D]
📄 synclink.h [E] [D]
📄 sysctl.h [E] [D]
📄 sysinfo.h [E] [D]
📄 target_core_user.h [E] [D]
📄 taskstats.h [E] [D]
📁 tc_act Open [D]
📁 tc_ematch Open [D]
📄 tcp.h [E] [D]
📄 tcp_metrics.h [E] [D]
📄 telephony.h [E] [D]
📄 termios.h [E] [D]
📄 time.h [E] [D]
📄 times.h [E] [D]
📄 timex.h [E] [D]
📄 tiocl.h [E] [D]
📄 tipc.h [E] [D]
📄 tipc_config.h [E] [D]
📄 toshiba.h [E] [D]
📄 tty.h [E] [D]
📄 tty_flags.h [E] [D]
📄 types.h [E] [D]
📄 udf_fs_i.h [E] [D]
📄 udp.h [E] [D]
📄 uhid.h [E] [D]
📄 uinput.h [E] [D]
📄 uio.h [E] [D]
📄 ultrasound.h [E] [D]
📄 un.h [E] [D]
📄 unistd.h [E] [D]
📄 unix_diag.h [E] [D]
📁 usb Open [D]
📄 usbdevice_fs.h [E] [D]
📄 userfaultfd.h [E] [D]
📄 utime.h [E] [D]
📄 utsname.h [E] [D]
📄 uuid.h [E] [D]
📄 uvcvideo.h [E] [D]
📄 v4l2-common.h [E] [D]
📄 v4l2-controls.h [E] [D]
📄 v4l2-dv-timings.h [E] [D]
📄 v4l2-mediabus.h [E] [D]
📄 v4l2-subdev.h [E] [D]
📄 version.h [E] [D]
📄 veth.h [E] [D]
📄 vfio.h [E] [D]
📄 vhost.h [E] [D]
📄 videodev2.h [E] [D]
📄 virtio_9p.h [E] [D]
📄 virtio_balloon.h [E] [D]
📄 virtio_blk.h [E] [D]
📄 virtio_config.h [E] [D]
📄 virtio_console.h [E] [D]
📄 virtio_gpu.h [E] [D]
📄 virtio_ids.h [E] [D]
📄 virtio_input.h [E] [D]
📄 virtio_net.h [E] [D]
📄 virtio_pci.h [E] [D]
📄 virtio_ring.h [E] [D]
📄 virtio_rng.h [E] [D]
📄 virtio_scsi.h [E] [D]
📄 virtio_types.h [E] [D]
📄 virtio_vsock.h [E] [D]
📄 vm_sockets.h [E] [D]
📄 vsockmon.h [E] [D]
📄 vt.h [E] [D]
📄 vtpm_proxy.h [E] [D]
📄 wait.h [E] [D]
📄 wanrouter.h [E] [D]
📄 watchdog.h [E] [D]
📁 wimax Open [D]
📄 wimax.h [E] [D]
📄 wireless.h [E] [D]
📄 wmi.h [E] [D]
📄 x25.h [E] [D]
📄 xattr.h [E] [D]
📄 xfrm.h [E] [D]

Editing: tcp.h

/*
 * INET		An implementation of the TCP/IP protocol suite for the LINUX
 *		operating system.  INET is implemented using the  BSD Socket
 *		interface as the means of communication with the user level.
 *
 *		Definitions for the TCP protocol.
 *
 * Version:	@(#)tcp.h	1.0.2	04/28/93
 *
 * Author:	Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
 *
 *		This program is free software; you can redistribute it and/or
 *		modify it under the terms of the GNU General Public License
 *		as published by the Free Software Foundation; either version
 *		2 of the License, or (at your option) any later version.
 */
#ifndef _LINUX_TCP_H
#define _LINUX_TCP_H

#include <linux/types.h>
#include <asm/byteorder.h>
#include <linux/socket.h>

struct tcphdr {
	__be16	source;
	__be16	dest;
	__be32	seq;
	__be32	ack_seq;
#if defined(__LITTLE_ENDIAN_BITFIELD)
	__u16	res1:4,
		doff:4,
		fin:1,
		syn:1,
		rst:1,
		psh:1,
		ack:1,
		urg:1,
		ece:1,
		cwr:1;
#elif defined(__BIG_ENDIAN_BITFIELD)
	__u16	doff:4,
		res1:4,
		cwr:1,
		ece:1,
		urg:1,
		ack:1,
		psh:1,
		rst:1,
		syn:1,
		fin:1;
#else
#error	"Adjust your <asm/byteorder.h> defines"
#endif	
	__be16	window;
	__sum16	check;
	__be16	urg_ptr;
};

/*
 *	The union cast uses a gcc extension to avoid aliasing problems
 *  (union is compatible to any of its members)
 *  This means this part of the code is -fstrict-aliasing safe now.
 */
union tcp_word_hdr { 
	struct tcphdr hdr;
	__be32 		  words[5];
};

#define tcp_flag_word(tp) ( ((union tcp_word_hdr *)(tp))->words [3])

enum { 
	TCP_FLAG_CWR = __constant_cpu_to_be32(0x00800000),
	TCP_FLAG_ECE = __constant_cpu_to_be32(0x00400000),
	TCP_FLAG_URG = __constant_cpu_to_be32(0x00200000),
	TCP_FLAG_ACK = __constant_cpu_to_be32(0x00100000),
	TCP_FLAG_PSH = __constant_cpu_to_be32(0x00080000),
	TCP_FLAG_RST = __constant_cpu_to_be32(0x00040000),
	TCP_FLAG_SYN = __constant_cpu_to_be32(0x00020000),
	TCP_FLAG_FIN = __constant_cpu_to_be32(0x00010000),
	TCP_RESERVED_BITS = __constant_cpu_to_be32(0x0F000000),
	TCP_DATA_OFFSET = __constant_cpu_to_be32(0xF0000000)
};

/*
 * TCP general constants
 */
#define TCP_MSS_DEFAULT		 536U	/* IPv4 (RFC1122, RFC2581) */
#define TCP_MSS_DESIRED		1220U	/* IPv6 (tunneled), EDNS0 (RFC3226) */

/* TCP socket options */
#define TCP_NODELAY		1	/* Turn off Nagle's algorithm. */
#define TCP_MAXSEG		2	/* Limit MSS */
#define TCP_CORK		3	/* Never send partially complete segments */
#define TCP_KEEPIDLE		4	/* Start keeplives after this period */
#define TCP_KEEPINTVL		5	/* Interval between keepalives */
#define TCP_KEEPCNT		6	/* Number of keepalives before death */
#define TCP_SYNCNT		7	/* Number of SYN retransmits */
#define TCP_LINGER2		8	/* Life time of orphaned FIN-WAIT-2 state */
#define TCP_DEFER_ACCEPT	9	/* Wake up listener only when data arrive */
#define TCP_WINDOW_CLAMP	10	/* Bound advertised window */
#define TCP_INFO		11	/* Information about this connection. */
#define TCP_QUICKACK		12	/* Block/reenable quick acks */
#define TCP_CONGESTION		13	/* Congestion control algorithm */
#define TCP_MD5SIG		14	/* TCP MD5 Signature (RFC2385) */
#define TCP_THIN_LINEAR_TIMEOUTS 16      /* Use linear timeouts for thin streams*/
#define TCP_THIN_DUPACK         17      /* Fast retrans. after 1 dupack */
#define TCP_USER_TIMEOUT	18	/* How long for loss retry before timeout */
#define TCP_REPAIR		19	/* TCP sock is under repair right now */
#define TCP_REPAIR_QUEUE	20
#define TCP_QUEUE_SEQ		21
#define TCP_REPAIR_OPTIONS	22
#define TCP_FASTOPEN		23	/* Enable FastOpen on listeners */
#define TCP_TIMESTAMP		24
#define TCP_NOTSENT_LOWAT	25	/* limit number of unsent bytes in write queue */
#define TCP_REPAIR_WINDOW	29	/* Get/set window parameters */

struct tcp_repair_opt {
	__u32	opt_code;
	__u32	opt_val;
};

struct tcp_repair_window {
	__u32	snd_wl1;
	__u32	snd_wnd;
	__u32	max_window;

__u32	rcv_wnd;
	__u32	rcv_wup;
};

enum {
	TCP_NO_QUEUE,
	TCP_RECV_QUEUE,
	TCP_SEND_QUEUE,
	TCP_QUEUES_NR,
};

/* for TCP_INFO socket option */
#define TCPI_OPT_TIMESTAMPS	1
#define TCPI_OPT_SACK		2
#define TCPI_OPT_WSCALE		4
#define TCPI_OPT_ECN		8 /* ECN was negociated at TCP session init */
#define TCPI_OPT_ECN_SEEN	16 /* we received at least one packet with ECT */
#define TCPI_OPT_SYN_DATA	32 /* SYN-ACK acked data in SYN sent or rcvd */

enum tcp_ca_state {
	TCP_CA_Open = 0,
#define TCPF_CA_Open	(1<<TCP_CA_Open)
	TCP_CA_Disorder = 1,
#define TCPF_CA_Disorder (1<<TCP_CA_Disorder)
	TCP_CA_CWR = 2,
#define TCPF_CA_CWR	(1<<TCP_CA_CWR)
	TCP_CA_Recovery = 3,
#define TCPF_CA_Recovery (1<<TCP_CA_Recovery)
	TCP_CA_Loss = 4
#define TCPF_CA_Loss	(1<<TCP_CA_Loss)
};

struct tcp_info {
	__u8	tcpi_state;
	__u8	tcpi_ca_state;
	__u8	tcpi_retransmits;
	__u8	tcpi_probes;
	__u8	tcpi_backoff;
	__u8	tcpi_options;
	__u8	tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4;

__u32	tcpi_rto;
	__u32	tcpi_ato;
	__u32	tcpi_snd_mss;
	__u32	tcpi_rcv_mss;

__u32	tcpi_unacked;
	__u32	tcpi_sacked;
	__u32	tcpi_lost;
	__u32	tcpi_retrans;
	__u32	tcpi_fackets;

/* Times. */
	__u32	tcpi_last_data_sent;
	__u32	tcpi_last_ack_sent;     /* Not remembered, sorry. */
	__u32	tcpi_last_data_recv;
	__u32	tcpi_last_ack_recv;

/* Metrics. */
	__u32	tcpi_pmtu;
	__u32	tcpi_rcv_ssthresh;
	__u32	tcpi_rtt;
	__u32	tcpi_rttvar;
	__u32	tcpi_snd_ssthresh;
	__u32	tcpi_snd_cwnd;
	__u32	tcpi_advmss;
	__u32	tcpi_reordering;

__u32	tcpi_rcv_rtt;
	__u32	tcpi_rcv_space;

__u32	tcpi_total_retrans;

__u64	tcpi_pacing_rate;
	__u64	tcpi_max_pacing_rate;
	__u64	tcpi_bytes_acked;    /* RFC4898 tcpEStatsAppHCThruOctetsAcked */
	__u64	tcpi_bytes_received; /* RFC4898 tcpEStatsAppHCThruOctetsReceived */
	__u32	tcpi_segs_out;	     /* RFC4898 tcpEStatsPerfSegsOut */
	__u32	tcpi_segs_in;	     /* RFC4898 tcpEStatsPerfSegsIn */
};

/* for TCP_MD5SIG socket option */
#define TCP_MD5SIG_MAXKEYLEN	80

struct tcp_md5sig {
	struct __kernel_sockaddr_storage tcpm_addr;	/* address associated */
	__u16	__tcpm_pad1;				/* zero */
	__u16	tcpm_keylen;				/* key length */
	__u32	__tcpm_pad2;				/* zero */
	__u8	tcpm_key[TCP_MD5SIG_MAXKEYLEN];		/* key (binary) */
};

#endif /* _LINUX_TCP_H */