File Manager

X7ROOT File Manager

Current Path: /usr/include/linux

ðŸ“ ..
ðŸ“„ a.out.h(6.73 KB)
ðŸ“„ acct.h(3.65 KB)
ðŸ“„ adb.h(1.11 KB)
ðŸ“„ adfs_fs.h(936 B)
ðŸ“„ affs_hardblocks.h(1.51 KB)
ðŸ“„ agpgart.h(3.85 KB)
ðŸ“„ aio_abi.h(3.34 KB)
ðŸ“„ am437x-vpfe.h(3.59 KB)
ðŸ“ android
ðŸ“„ apm_bios.h(3.6 KB)
ðŸ“„ arcfb.h(213 B)
ðŸ“„ arm_sdei.h(2.69 KB)
ðŸ“„ aspeed-lpc-ctrl.h(1.74 KB)
ðŸ“„ atalk.h(1023 B)
ðŸ“„ atm.h(7.7 KB)
ðŸ“„ atm_eni.h(648 B)
ðŸ“„ atm_he.h(406 B)
ðŸ“„ atm_idt77105.h(955 B)
ðŸ“„ atm_nicstar.h(1.25 KB)
ðŸ“„ atm_tcp.h(1.58 KB)
ðŸ“„ atm_zatm.h(1.5 KB)
ðŸ“„ atmapi.h(952 B)
ðŸ“„ atmarp.h(1.27 KB)
ðŸ“„ atmbr2684.h(3.19 KB)
ðŸ“„ atmclip.h(576 B)
ðŸ“„ atmdev.h(7.5 KB)
ðŸ“„ atmioc.h(1.61 KB)
ðŸ“„ atmlec.h(2.33 KB)
ðŸ“„ atmmpc.h(4.13 KB)
ðŸ“„ atmppp.h(639 B)
ðŸ“„ atmsap.h(4.85 KB)
ðŸ“„ atmsvc.h(1.81 KB)
ðŸ“„ audit.h(19.92 KB)
ðŸ“„ auto_dev-ioctl.h(4.87 KB)
ðŸ“„ auto_fs.h(6.28 KB)
ðŸ“„ auto_fs4.h(451 B)
ðŸ“„ auxvec.h(1.56 KB)
ðŸ“„ ax25.h(2.76 KB)
ðŸ“„ b1lli.h(1.68 KB)
ðŸ“„ batadv_packet.h(20.01 KB)
ðŸ“„ batman_adv.h(11.7 KB)
ðŸ“„ baycom.h(883 B)
ðŸ“„ bcache.h(8.17 KB)
ðŸ“„ bcm933xx_hcs.h(419 B)
ðŸ“„ bfs_fs.h(1.85 KB)
ðŸ“„ binfmts.h(628 B)
ðŸ“„ blkpg.h(904 B)
ðŸ“„ blktrace_api.h(4.59 KB)
ðŸ“„ blkzoned.h(6.45 KB)
ðŸ“„ bpf.h(223.3 KB)
ðŸ“„ bpf_common.h(1.33 KB)
ðŸ“„ bpf_perf_event.h(529 B)
ðŸ“„ bpfilter.h(465 B)
ðŸ“„ bpqether.h(981 B)
ðŸ“„ bsg.h(2.44 KB)
ðŸ“„ bt-bmc.h(572 B)
ðŸ“„ btf.h(4.68 KB)
ðŸ“„ btrfs.h(28.24 KB)
ðŸ“„ btrfs_tree.h(24.69 KB)
ðŸ“ byteorder
ðŸ“ caif
ðŸ“ can
ðŸ“„ can.h(7.7 KB)
ðŸ“„ capability.h(13.2 KB)
ðŸ“„ capi.h(3.05 KB)
ðŸ“„ cciss_defs.h(3.2 KB)
ðŸ“„ cciss_ioctl.h(2.7 KB)
ðŸ“„ cdrom.h(28.18 KB)
ðŸ“„ cec-funcs.h(52.64 KB)
ðŸ“„ cec.h(36.81 KB)
ðŸ“„ cfm_bridge.h(1.42 KB)
ðŸ“„ cgroupstats.h(2.17 KB)
ðŸ“„ chio.h(5.22 KB)
ðŸ“ cifs
ðŸ“„ close_range.h(377 B)
ðŸ“„ cm4000_cs.h(1.76 KB)
ðŸ“„ cn_proc.h(3.38 KB)
ðŸ“„ coda.h(17.09 KB)
ðŸ“„ coda_psdev.h(783 B)
ðŸ“„ coff.h(12.18 KB)
ðŸ“„ connector.h(2.2 KB)
ðŸ“„ const.h(788 B)
ðŸ“„ coresight-stm.h(674 B)
ðŸ“„ cramfs_fs.h(3.47 KB)
ðŸ“„ cryptouser.h(3.31 KB)
ðŸ“„ cuda.h(905 B)
ðŸ“„ cyclades.h(16.71 KB)
ðŸ“„ cycx_cfm.h(2.92 KB)
ðŸ“„ dcbnl.h(24.65 KB)
ðŸ“„ dccp.h(6.29 KB)
ðŸ“„ devlink.h(21.05 KB)
ðŸ“„ dlm.h(2.49 KB)
ðŸ“„ dlm_device.h(2.48 KB)
ðŸ“„ dlm_netlink.h(1.13 KB)
ðŸ“„ dlm_plock.h(894 B)
ðŸ“„ dlmconstants.h(4.96 KB)
ðŸ“„ dm-ioctl.h(11.13 KB)
ðŸ“„ dm-log-userspace.h(14.83 KB)
ðŸ“„ dma-buf.h(5.12 KB)
ðŸ“„ dn.h(4.53 KB)
ðŸ“„ dqblk_xfs.h(9.03 KB)
ðŸ“ dvb
ðŸ“„ edd.h(5.47 KB)
ðŸ“„ efs_fs_sb.h(2.17 KB)
ðŸ“„ elf-em.h(2.14 KB)
ðŸ“„ elf-fdpic.h(1.1 KB)
ðŸ“„ elf.h(13.16 KB)
ðŸ“„ elfcore.h(2.92 KB)
ðŸ“„ errno.h(23 B)
ðŸ“„ errqueue.h(1.44 KB)
ðŸ“„ erspan.h(1.03 KB)
ðŸ“„ ethtool.h(81.89 KB)
ðŸ“„ ethtool_netlink.h(22.29 KB)
ðŸ“„ eventpoll.h(2.67 KB)
ðŸ“„ fadvise.h(842 B)
ðŸ“„ falloc.h(3.5 KB)
ðŸ“„ fanotify.h(5.22 KB)
ðŸ“„ fb.h(16.09 KB)
ðŸ“„ fcntl.h(4.08 KB)
ðŸ“„ fd.h(11.4 KB)
ðŸ“„ fdreg.h(5.29 KB)
ðŸ“„ fib_rules.h(1.99 KB)
ðŸ“„ fiemap.h(2.71 KB)
ðŸ“„ filter.h(2.16 KB)
ðŸ“„ firewire-cdev.h(42.86 KB)
ðŸ“„ firewire-constants.h(3.16 KB)
ðŸ“„ flat.h(2.1 KB)
ðŸ“„ fou.h(694 B)
ðŸ“„ fpga-dfl.h(8.52 KB)
ðŸ“„ fs.h(13.11 KB)
ðŸ“„ fsl_hypervisor.h(7.13 KB)
ðŸ“„ fsmap.h(4.29 KB)
ðŸ“„ fuse.h(22.92 KB)
ðŸ“„ futex.h(4.88 KB)
ðŸ“„ gameport.h(897 B)
ðŸ“„ gen_stats.h(1.49 KB)
ðŸ“„ genetlink.h(2.12 KB)
ðŸ“ genwqe
ðŸ“„ gfs2_ondisk.h(14.4 KB)
ðŸ“„ gigaset_dev.h(1.41 KB)
ðŸ“„ gpio.h(6.59 KB)
ðŸ“„ gsmmux.h(1.02 KB)
ðŸ“„ gtp.h(681 B)
ðŸ“„ hash_info.h(921 B)
ðŸ“ hdlc
ðŸ“„ hdlc.h(637 B)
ðŸ“„ hdlcdrv.h(2.84 KB)
ðŸ“„ hdreg.h(22.17 KB)
ðŸ“„ hid.h(1.86 KB)
ðŸ“„ hiddev.h(6.2 KB)
ðŸ“„ hidraw.h(1.95 KB)
ðŸ“„ hpet.h(743 B)
ðŸ“ hsi
ðŸ“„ hsr_netlink.h(1.06 KB)
ðŸ“„ hw_breakpoint.h(742 B)
ðŸ“„ hyperv.h(10.89 KB)
ðŸ“„ hysdn_if.h(1.35 KB)
ðŸ“„ i2c-dev.h(2.55 KB)
ðŸ“„ i2c.h(6.96 KB)
ðŸ“„ i2o-dev.h(11.28 KB)
ðŸ“„ i8k.h(1.49 KB)
ðŸ“„ icmp.h(2.91 KB)
ðŸ“„ icmpv6.h(3.94 KB)
ðŸ“„ idxd.h(8.22 KB)
ðŸ“„ if.h(10.65 KB)
ðŸ“„ if_addr.h(1.84 KB)
ðŸ“„ if_addrlabel.h(721 B)
ðŸ“„ if_alg.h(946 B)
ðŸ“„ if_arcnet.h(3.63 KB)
ðŸ“„ if_arp.h(6.42 KB)
ðŸ“„ if_bonding.h(5.17 KB)
ðŸ“„ if_bridge.h(19.06 KB)
ðŸ“„ if_cablemodem.h(986 B)
ðŸ“„ if_eql.h(1.32 KB)
ðŸ“„ if_ether.h(8.05 KB)
ðŸ“„ if_fc.h(1.7 KB)
ðŸ“„ if_fddi.h(3.66 KB)
ðŸ“„ if_frad.h(2.95 KB)
ðŸ“„ if_hippi.h(4.14 KB)
ðŸ“„ if_infiniband.h(1.22 KB)
ðŸ“„ if_link.h(30.28 KB)
ðŸ“„ if_ltalk.h(210 B)
ðŸ“„ if_macsec.h(5.7 KB)
ðŸ“„ if_packet.h(7.73 KB)
ðŸ“„ if_phonet.h(424 B)
ðŸ“„ if_plip.h(660 B)
ðŸ“„ if_ppp.h(29 B)
ðŸ“„ if_pppol2tp.h(3.21 KB)
ðŸ“„ if_pppox.h(4.76 KB)
ðŸ“„ if_slip.h(872 B)
ðŸ“„ if_team.h(2.54 KB)
ðŸ“„ if_tun.h(4 KB)
ðŸ“„ if_tunnel.h(4.41 KB)
ðŸ“„ if_vlan.h(1.79 KB)
ðŸ“„ if_x25.h(881 B)
ðŸ“„ if_xdp.h(2.94 KB)
ðŸ“„ ife.h(351 B)
ðŸ“„ igmp.h(2.99 KB)
ðŸ“ iio
ðŸ“„ ila.h(1.22 KB)
ðŸ“„ in.h(9.78 KB)
ðŸ“„ in6.h(7.26 KB)
ðŸ“„ in_route.h(936 B)
ðŸ“„ inet_diag.h(4.56 KB)
ðŸ“„ inotify.h(3.21 KB)
ðŸ“„ input-event-codes.h(27.94 KB)
ðŸ“„ input.h(15.61 KB)
ðŸ“„ io_uring.h(6.06 KB)
ðŸ“„ ioctl.h(163 B)
ðŸ“„ iommu.h(4.79 KB)
ðŸ“„ ip.h(4.62 KB)
ðŸ“„ ip6_tunnel.h(1.91 KB)
ðŸ“„ ip_vs.h(13.31 KB)
ðŸ“„ ipc.h(2.05 KB)
ðŸ“„ ipmi.h(15.08 KB)
ðŸ“„ ipmi_bmc.h(464 B)
ðŸ“„ ipmi_msgdefs.h(3.35 KB)
ðŸ“„ ipmi_ssif_bmc.h(441 B)
ðŸ“„ ipsec.h(947 B)
ðŸ“„ ipv6.h(3.87 KB)
ðŸ“„ ipv6_route.h(1.86 KB)
ðŸ“„ ipx.h(2.29 KB)
ðŸ“„ irqnr.h(104 B)
ðŸ“ isdn
ðŸ“„ isdn.h(5.64 KB)
ðŸ“„ isdn_divertif.h(1.17 KB)
ðŸ“„ isdn_ppp.h(1.88 KB)
ðŸ“„ isdnif.h(2.31 KB)
ðŸ“„ iso_fs.h(6.33 KB)
ðŸ“„ isst_if.h(5.26 KB)
ðŸ“„ ivtv.h(2.95 KB)
ðŸ“„ ivtvfb.h(1.18 KB)
ðŸ“„ jffs2.h(6.85 KB)
ðŸ“„ joystick.h(3.35 KB)
ðŸ“„ kcm.h(822 B)
ðŸ“„ kcmp.h(522 B)
ðŸ“„ kcov.h(1.07 KB)
ðŸ“„ kd.h(6.11 KB)
ðŸ“„ kdev_t.h(383 B)
ðŸ“„ kernel-page-flags.h(900 B)
ðŸ“„ kernel.h(438 B)
ðŸ“„ kernelcapi.h(1019 B)
ðŸ“„ kexec.h(1.79 KB)
ðŸ“„ keyboard.h(12.48 KB)
ðŸ“„ keyctl.h(3.42 KB)
ðŸ“„ kfd_ioctl.h(28.14 KB)
ðŸ“„ kfd_sysfs.h(4.25 KB)
ðŸ“„ kvm.h(60.12 KB)
ðŸ“„ kvm_para.h(1001 B)
ðŸ“„ l2tp.h(5.46 KB)
ðŸ“„ libc-compat.h(8.09 KB)
ðŸ“„ lightnvm.h(4.92 KB)
ðŸ“„ limits.h(937 B)
ðŸ“„ lirc.h(7.63 KB)
ðŸ“„ llc.h(3.09 KB)
ðŸ“„ loop.h(3.42 KB)
ðŸ“„ lp.h(4.09 KB)
ðŸ“„ lwtunnel.h(2.13 KB)
ðŸ“„ magic.h(3.45 KB)
ðŸ“„ major.h(4.6 KB)
ðŸ“„ map_to_7segment.h(7.08 KB)
ðŸ“„ matroxfb.h(1.43 KB)
ðŸ“„ max2175.h(1.01 KB)
ðŸ“„ mdio.h(16.87 KB)
ðŸ“„ media-bus-format.h(6.26 KB)
ðŸ“„ media.h(11.12 KB)
ðŸ“„ mei.h(3.39 KB)
ðŸ“„ membarrier.h(7.71 KB)
ðŸ“„ memfd.h(1.29 KB)
ðŸ“„ mempolicy.h(2.18 KB)
ðŸ“„ meye.h(2.47 KB)
ðŸ“„ mic_common.h(6.37 KB)
ðŸ“„ mic_ioctl.h(2.2 KB)
ðŸ“„ mii.h(9.27 KB)
ðŸ“„ minix_fs.h(2.07 KB)
ðŸ“„ mman.h(1.35 KB)
ðŸ“ mmc
ðŸ“„ mmtimer.h(2.07 KB)
ðŸ“„ module.h(255 B)
ðŸ“„ mount.h(4.44 KB)
ðŸ“„ mpls.h(2.25 KB)
ðŸ“„ mpls_iptunnel.h(761 B)
ðŸ“„ mptcp.h(5.48 KB)
ðŸ“„ mqueue.h(2.15 KB)
ðŸ“„ mroute.h(5.3 KB)
ðŸ“„ mroute6.h(4.47 KB)
ðŸ“„ mrp_bridge.h(1.67 KB)
ðŸ“„ msdos_fs.h(6.8 KB)
ðŸ“„ msg.h(3.29 KB)
ðŸ“„ mtio.h(7.98 KB)
ðŸ“„ n_r3964.h(2.35 KB)
ðŸ“„ nbd-netlink.h(2.35 KB)
ðŸ“„ nbd.h(2.95 KB)
ðŸ“„ ncsi.h(3.79 KB)
ðŸ“„ ndctl.h(6.71 KB)
ðŸ“„ neighbour.h(5.02 KB)
ðŸ“„ net.h(2.04 KB)
ðŸ“„ net_dropmon.h(2.85 KB)
ðŸ“„ net_namespace.h(715 B)
ðŸ“„ net_tstamp.h(5.67 KB)
ðŸ“„ netconf.h(614 B)
ðŸ“„ netdevice.h(2.2 KB)
ðŸ“ netfilter
ðŸ“„ netfilter.h(1.78 KB)
ðŸ“ netfilter_arp
ðŸ“„ netfilter_arp.h(445 B)
ðŸ“ netfilter_bridge
ðŸ“„ netfilter_bridge.h(1.14 KB)
ðŸ“„ netfilter_decnet.h(1.93 KB)
ðŸ“ netfilter_ipv4
ðŸ“„ netfilter_ipv4.h(2.12 KB)
ðŸ“ netfilter_ipv6
ðŸ“„ netfilter_ipv6.h(2.14 KB)
ðŸ“„ netlink.h(11.23 KB)
ðŸ“„ netlink_diag.h(1.49 KB)
ðŸ“„ netrom.h(807 B)
ðŸ“„ nexthop.h(1.5 KB)
ðŸ“„ nfc.h(10.95 KB)
ðŸ“„ nfs.h(4.39 KB)
ðŸ“„ nfs2.h(1.43 KB)
ðŸ“„ nfs3.h(2.4 KB)
ðŸ“„ nfs4.h(6.44 KB)
ðŸ“„ nfs4_mount.h(1.89 KB)
ðŸ“„ nfs_fs.h(1.6 KB)
ðŸ“„ nfs_idmap.h(2.19 KB)
ðŸ“„ nfs_mount.h(2.09 KB)
ðŸ“„ nfsacl.h(718 B)
ðŸ“ nfsd
ðŸ“„ nilfs2_api.h(7.41 KB)
ðŸ“„ nilfs2_ondisk.h(17.61 KB)
ðŸ“„ nitro_enclaves.h(12.84 KB)
ðŸ“„ nl80211.h(327.41 KB)
ðŸ“„ nsfs.h(639 B)
ðŸ“„ nubus.h(8 KB)
ðŸ“„ nvme_ioctl.h(2.06 KB)
ðŸ“„ nvram.h(532 B)
ðŸ“„ omap3isp.h(20.36 KB)
ðŸ“„ omapfb.h(5.78 KB)
ðŸ“„ oom.h(511 B)
ðŸ“„ openat2.h(1.26 KB)
ðŸ“„ openvswitch.h(39.24 KB)
ðŸ“„ packet_diag.h(1.63 KB)
ðŸ“„ param.h(141 B)
ðŸ“„ parport.h(3.56 KB)
ðŸ“„ patchkey.h(892 B)
ðŸ“„ pci.h(1.35 KB)
ðŸ“„ pci_regs.h(56.47 KB)
ðŸ“„ pcitest.h(711 B)
ðŸ“„ perf_event.h(39.63 KB)
ðŸ“„ personality.h(2.05 KB)
ðŸ“„ pfkeyv2.h(10.32 KB)
ðŸ“„ pfrut.h(7.8 KB)
ðŸ“„ pg.h(2.34 KB)
ðŸ“„ phantom.h(1.62 KB)
ðŸ“„ phonet.h(4.57 KB)
ðŸ“„ pkt_cls.h(18.08 KB)
ðŸ“„ pkt_sched.h(29.59 KB)
ðŸ“„ pktcdvd.h(2.62 KB)
ðŸ“„ pmu.h(5.19 KB)
ðŸ“„ poll.h(22 B)
ðŸ“„ posix_acl.h(1.22 KB)
ðŸ“„ posix_acl_xattr.h(1.09 KB)
ðŸ“„ posix_types.h(1.07 KB)
ðŸ“„ ppdev.h(3.14 KB)
ðŸ“„ ppp-comp.h(2.47 KB)
ðŸ“„ ppp-ioctl.h(5.35 KB)
ðŸ“„ ppp_defs.h(4.99 KB)
ðŸ“„ pps.h(4.62 KB)
ðŸ“„ pr.h(1.05 KB)
ðŸ“„ prctl.h(7.83 KB)
ðŸ“„ psample.h(2.22 KB)
ðŸ“„ psci.h(4.23 KB)
ðŸ“„ psp-sev.h(4.48 KB)
ðŸ“„ ptp_clock.h(7.28 KB)
ðŸ“„ ptrace.h(3.59 KB)
ðŸ“„ qemu_fw_cfg.h(2.41 KB)
ðŸ“„ qnx4_fs.h(2.27 KB)
ðŸ“„ qnxtypes.h(624 B)
ðŸ“„ qrtr.h(893 B)
ðŸ“„ quota.h(6.14 KB)
ðŸ“„ radeonfb.h(360 B)
ðŸ“ raid
ðŸ“„ random.h(1.34 KB)
ðŸ“„ raw.h(365 B)
ðŸ“„ rds.h(9.08 KB)
ðŸ“„ reboot.h(1.31 KB)
ðŸ“„ reiserfs_fs.h(775 B)
ðŸ“„ reiserfs_xattr.h(533 B)
ðŸ“„ resource.h(2.29 KB)
ðŸ“„ rfkill.h(6.45 KB)
ðŸ“„ rio_cm_cdev.h(3.17 KB)
ðŸ“„ rio_mport_cdev.h(9.11 KB)
ðŸ“„ romfs_fs.h(1.21 KB)
ðŸ“„ rose.h(2.18 KB)
ðŸ“„ route.h(2.28 KB)
ðŸ“„ rpmsg.h(544 B)
ðŸ“„ rseq.h(4.79 KB)
ðŸ“„ rtc.h(3.92 KB)
ðŸ“„ rtnetlink.h(19.73 KB)
ðŸ“„ rxrpc.h(4.96 KB)
ðŸ“„ scc.h(4.49 KB)
ðŸ“ sched
ðŸ“„ sched.h(2.73 KB)
ðŸ“„ scif_ioctl.h(6.23 KB)
ðŸ“„ screen_info.h(2.42 KB)
ðŸ“„ sctp.h(35.15 KB)
ðŸ“„ sdla.h(2.77 KB)
ðŸ“„ seccomp.h(2.2 KB)
ðŸ“„ securebits.h(2.64 KB)
ðŸ“„ sed-opal.h(3.2 KB)
ðŸ“„ seg6.h(1.14 KB)
ðŸ“„ seg6_genl.h(589 B)
ðŸ“„ seg6_hmac.h(423 B)
ðŸ“„ seg6_iptunnel.h(927 B)
ðŸ“„ seg6_local.h(2.01 KB)
ðŸ“„ selinux_netlink.h(1.17 KB)
ðŸ“„ sem.h(2.97 KB)
ðŸ“„ serial.h(3.78 KB)
ðŸ“„ serial_core.h(6.1 KB)
ðŸ“„ serial_reg.h(15.13 KB)
ðŸ“„ serio.h(1.99 KB)
ðŸ“„ sev-guest.h(2.25 KB)
ðŸ“„ shm.h(3.7 KB)
ðŸ“„ signal.h(388 B)
ðŸ“„ signalfd.h(1.2 KB)
ðŸ“„ smc.h(8.31 KB)
ðŸ“„ smc_diag.h(2.66 KB)
ðŸ“„ smiapp.h(1.03 KB)
ðŸ“„ snmp.h(13.34 KB)
ðŸ“„ sock_diag.h(1.27 KB)
ðŸ“„ socket.h(901 B)
ðŸ“„ sockios.h(5.96 KB)
ðŸ“„ sonet.h(2.24 KB)
ðŸ“„ sonypi.h(5.18 KB)
ðŸ“„ sound.h(1.21 KB)
ðŸ“„ soundcard.h(44.96 KB)
ðŸ“ spi
ðŸ“„ stat.h(6.2 KB)
ðŸ“„ stddef.h(1.5 KB)
ðŸ“„ stm.h(1.25 KB)
ðŸ“„ string.h(238 B)
ðŸ“ sunrpc
ðŸ“„ suspend_ioctls.h(1.4 KB)
ðŸ“„ swab.h(6.76 KB)
ðŸ“„ switchtec_ioctl.h(5.14 KB)
ðŸ“„ sync_file.h(2.82 KB)
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Editing: batadv_packet.h

/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) */
/* Copyright (C) 2007-2018  B.A.T.M.A.N. contributors:
 *
 * Marek Lindner, Simon Wunderlich
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

#ifndef _LINUX_BATADV_PACKET_H_
#define _LINUX_BATADV_PACKET_H_

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

/**
 * batadv_tp_is_error() - Check throughput meter return code for error
 * @n: throughput meter return code
 *
 * Return: 0 when not error was detected, != 0 otherwise
 */
#define batadv_tp_is_error(n) ((__u8)(n) > 127 ? 1 : 0)

/**
 * enum batadv_packettype - types for batman-adv encapsulated packets
 * @BATADV_IV_OGM: originator messages for B.A.T.M.A.N. IV
 * @BATADV_BCAST: broadcast packets carrying broadcast payload
 * @BATADV_CODED: network coded packets
 * @BATADV_ELP: echo location packets for B.A.T.M.A.N. V
 * @BATADV_OGM2: originator messages for B.A.T.M.A.N. V
 *
 * @BATADV_UNICAST: unicast packets carrying unicast payload traffic
 * @BATADV_UNICAST_FRAG: unicast packets carrying a fragment of the original
 *     payload packet
 * @BATADV_UNICAST_4ADDR: unicast packet including the originator address of
 *     the sender
 * @BATADV_ICMP: unicast packet like IP ICMP used for ping or traceroute
 * @BATADV_UNICAST_TVLV: unicast packet carrying TVLV containers
 */
enum batadv_packettype {
	/* 0x00 - 0x3f: local packets or special rules for handling */
	BATADV_IV_OGM           = 0x00,
	BATADV_BCAST            = 0x01,
	BATADV_CODED            = 0x02,
	BATADV_ELP		= 0x03,
	BATADV_OGM2		= 0x04,
	/* 0x40 - 0x7f: unicast */
#define BATADV_UNICAST_MIN     0x40
	BATADV_UNICAST          = 0x40,
	BATADV_UNICAST_FRAG     = 0x41,
	BATADV_UNICAST_4ADDR    = 0x42,
	BATADV_ICMP             = 0x43,
	BATADV_UNICAST_TVLV     = 0x44,
#define BATADV_UNICAST_MAX     0x7f
	/* 0x80 - 0xff: reserved */
};

/**
 * enum batadv_subtype - packet subtype for unicast4addr
 * @BATADV_P_DATA: user payload
 * @BATADV_P_DAT_DHT_GET: DHT request message
 * @BATADV_P_DAT_DHT_PUT: DHT store message
 * @BATADV_P_DAT_CACHE_REPLY: ARP reply generated by DAT
 */
enum batadv_subtype {
	BATADV_P_DATA			= 0x01,
	BATADV_P_DAT_DHT_GET		= 0x02,
	BATADV_P_DAT_DHT_PUT		= 0x03,
	BATADV_P_DAT_CACHE_REPLY	= 0x04,
};

/* this file is included by batctl which needs these defines */
#define BATADV_COMPAT_VERSION 15

/**
 * enum batadv_iv_flags - flags used in B.A.T.M.A.N. IV OGM packets
 * @BATADV_NOT_BEST_NEXT_HOP: flag is set when ogm packet is forwarded and was
 *     previously received from someone else than the best neighbor.
 * @BATADV_PRIMARIES_FIRST_HOP: flag unused.
 * @BATADV_DIRECTLINK: flag is for the first hop or if rebroadcasted from a
 *     one hop neighbor on the interface where it was originally received.
 */
enum batadv_iv_flags {
	BATADV_NOT_BEST_NEXT_HOP   = 1UL << 0,
	BATADV_PRIMARIES_FIRST_HOP = 1UL << 1,
	BATADV_DIRECTLINK          = 1UL << 2,
};

/**
 * enum batadv_icmp_packettype - ICMP message types
 * @BATADV_ECHO_REPLY: success reply to BATADV_ECHO_REQUEST
 * @BATADV_DESTINATION_UNREACHABLE: failure when route to destination not found
 * @BATADV_ECHO_REQUEST: request BATADV_ECHO_REPLY from destination
 * @BATADV_TTL_EXCEEDED: error after BATADV_ECHO_REQUEST traversed too many hops
 * @BATADV_PARAMETER_PROBLEM: return code for malformed messages
 * @BATADV_TP: throughput meter packet
 */
enum batadv_icmp_packettype {
	BATADV_ECHO_REPLY	       = 0,
	BATADV_DESTINATION_UNREACHABLE = 3,
	BATADV_ECHO_REQUEST	       = 8,
	BATADV_TTL_EXCEEDED	       = 11,
	BATADV_PARAMETER_PROBLEM       = 12,
	BATADV_TP		       = 15,
};

/**
 * enum batadv_mcast_flags - flags for multicast capabilities and settings
 * @BATADV_MCAST_WANT_ALL_UNSNOOPABLES: we want all packets destined for
 *  224.0.0.0/24 or ff02::1
 * @BATADV_MCAST_WANT_ALL_IPV4: we want all IPv4 multicast packets
 * @BATADV_MCAST_WANT_ALL_IPV6: we want all IPv6 multicast packets
 */
enum batadv_mcast_flags {
	BATADV_MCAST_WANT_ALL_UNSNOOPABLES	= 1UL << 0,
	BATADV_MCAST_WANT_ALL_IPV4		= 1UL << 1,
	BATADV_MCAST_WANT_ALL_IPV6		= 1UL << 2,
};

/* tt data subtypes */
#define BATADV_TT_DATA_TYPE_MASK 0x0F

/**
 * enum batadv_tt_data_flags - flags for tt data tvlv
 * @BATADV_TT_OGM_DIFF: TT diff propagated through OGM
 * @BATADV_TT_REQUEST: TT request message
 * @BATADV_TT_RESPONSE: TT response message
 * @BATADV_TT_FULL_TABLE: contains full table to replace existing table
 */
enum batadv_tt_data_flags {
	BATADV_TT_OGM_DIFF   = 1UL << 0,
	BATADV_TT_REQUEST    = 1UL << 1,
	BATADV_TT_RESPONSE   = 1UL << 2,
	BATADV_TT_FULL_TABLE = 1UL << 4,
};

/**
 * enum batadv_vlan_flags - flags for the four MSB of any vlan ID field
 * @BATADV_VLAN_HAS_TAG: whether the field contains a valid vlan tag or not
 */
enum batadv_vlan_flags {
	BATADV_VLAN_HAS_TAG	= 1UL << 15,
};

/**
 * enum batadv_bla_claimframe - claim frame types for the bridge loop avoidance
 * @BATADV_CLAIM_TYPE_CLAIM: claim of a client mac address
 * @BATADV_CLAIM_TYPE_UNCLAIM: unclaim of a client mac address
 * @BATADV_CLAIM_TYPE_ANNOUNCE: announcement of backbone with current crc
 * @BATADV_CLAIM_TYPE_REQUEST: request of full claim table
 * @BATADV_CLAIM_TYPE_LOOPDETECT: mesh-traversing loop detect packet
 */
enum batadv_bla_claimframe {
	BATADV_CLAIM_TYPE_CLAIM		= 0x00,
	BATADV_CLAIM_TYPE_UNCLAIM	= 0x01,
	BATADV_CLAIM_TYPE_ANNOUNCE	= 0x02,
	BATADV_CLAIM_TYPE_REQUEST	= 0x03,
	BATADV_CLAIM_TYPE_LOOPDETECT	= 0x04,
};

/**
 * enum batadv_tvlv_type - tvlv type definitions
 * @BATADV_TVLV_GW: gateway tvlv
 * @BATADV_TVLV_DAT: distributed arp table tvlv
 * @BATADV_TVLV_NC: network coding tvlv
 * @BATADV_TVLV_TT: translation table tvlv
 * @BATADV_TVLV_ROAM: roaming advertisement tvlv
 * @BATADV_TVLV_MCAST: multicast capability tvlv
 */
enum batadv_tvlv_type {
	BATADV_TVLV_GW		= 0x01,
	BATADV_TVLV_DAT		= 0x02,
	BATADV_TVLV_NC		= 0x03,
	BATADV_TVLV_TT		= 0x04,
	BATADV_TVLV_ROAM	= 0x05,
	BATADV_TVLV_MCAST	= 0x06,
};

#pragma pack(2)
/* the destination hardware field in the ARP frame is used to
 * transport the claim type and the group id
 */
struct batadv_bla_claim_dst {
	__u8   magic[3];	/* FF:43:05 */
	__u8   type;		/* bla_claimframe */
	__be16 group;		/* group id */
};

/**
 * struct batadv_ogm_packet - ogm (routing protocol) packet
 * @packet_type: batman-adv packet type, part of the general header
 * @version: batman-adv protocol version, part of the genereal header
 * @ttl: time to live for this packet, part of the genereal header
 * @flags: contains routing relevant flags - see enum batadv_iv_flags
 * @seqno: sequence identification
 * @orig: address of the source node
 * @prev_sender: address of the previous sender
 * @reserved: reserved byte for alignment
 * @tq: transmission quality
 * @tvlv_len: length of tvlv data following the ogm header
 */
struct batadv_ogm_packet {
	__u8   packet_type;
	__u8   version;
	__u8   ttl;
	__u8   flags;
	__be32 seqno;
	__u8   orig[ETH_ALEN];
	__u8   prev_sender[ETH_ALEN];
	__u8   reserved;
	__u8   tq;
	__be16 tvlv_len;
};

#define BATADV_OGM_HLEN sizeof(struct batadv_ogm_packet)

/**
 * struct batadv_ogm2_packet - ogm2 (routing protocol) packet
 * @packet_type: batman-adv packet type, part of the general header
 * @version: batman-adv protocol version, part of the general header
 * @ttl: time to live for this packet, part of the general header
 * @flags: reseved for routing relevant flags - currently always 0
 * @seqno: sequence number
 * @orig: originator mac address
 * @tvlv_len: length of the appended tvlv buffer (in bytes)
 * @throughput: the currently flooded path throughput
 */
struct batadv_ogm2_packet {
	__u8   packet_type;
	__u8   version;
	__u8   ttl;
	__u8   flags;
	__be32 seqno;
	__u8   orig[ETH_ALEN];
	__be16 tvlv_len;
	__be32 throughput;
};

#define BATADV_OGM2_HLEN sizeof(struct batadv_ogm2_packet)

/**
 * struct batadv_elp_packet - elp (neighbor discovery) packet
 * @packet_type: batman-adv packet type, part of the general header
 * @version: batman-adv protocol version, part of the genereal header
 * @orig: originator mac address
 * @seqno: sequence number
 * @elp_interval: currently used ELP sending interval in ms
 */
struct batadv_elp_packet {
	__u8   packet_type;
	__u8   version;
	__u8   orig[ETH_ALEN];
	__be32 seqno;
	__be32 elp_interval;
};

#define BATADV_ELP_HLEN sizeof(struct batadv_elp_packet)

/**
 * struct batadv_icmp_header - common members among all the ICMP packets
 * @packet_type: batman-adv packet type, part of the general header
 * @version: batman-adv protocol version, part of the genereal header
 * @ttl: time to live for this packet, part of the genereal header
 * @msg_type: ICMP packet type
 * @dst: address of the destination node
 * @orig: address of the source node
 * @uid: local ICMP socket identifier
 * @align: not used - useful for alignment purposes only
 *
 * This structure is used for ICMP packets parsing only and it is never sent
 * over the wire. The alignment field at the end is there to ensure that
 * members are padded the same way as they are in real packets.
 */
struct batadv_icmp_header {
	__u8 packet_type;
	__u8 version;
	__u8 ttl;
	__u8 msg_type; /* see ICMP message types above */
	__u8 dst[ETH_ALEN];
	__u8 orig[ETH_ALEN];
	__u8 uid;
	__u8 align[3];
};

/**
 * struct batadv_icmp_packet - ICMP packet
 * @packet_type: batman-adv packet type, part of the general header
 * @version: batman-adv protocol version, part of the genereal header
 * @ttl: time to live for this packet, part of the genereal header
 * @msg_type: ICMP packet type
 * @dst: address of the destination node
 * @orig: address of the source node
 * @uid: local ICMP socket identifier
 * @reserved: not used - useful for alignment
 * @seqno: ICMP sequence number
 */
struct batadv_icmp_packet {
	__u8   packet_type;
	__u8   version;
	__u8   ttl;
	__u8   msg_type; /* see ICMP message types above */
	__u8   dst[ETH_ALEN];
	__u8   orig[ETH_ALEN];
	__u8   uid;
	__u8   reserved;
	__be16 seqno;
};

/**
 * struct batadv_icmp_tp_packet - ICMP TP Meter packet
 * @packet_type: batman-adv packet type, part of the general header
 * @version: batman-adv protocol version, part of the genereal header
 * @ttl: time to live for this packet, part of the genereal header
 * @msg_type: ICMP packet type
 * @dst: address of the destination node
 * @orig: address of the source node
 * @uid: local ICMP socket identifier
 * @subtype: TP packet subtype (see batadv_icmp_tp_subtype)
 * @session: TP session identifier
 * @seqno: the TP sequence number
 * @timestamp: time when the packet has been sent. This value is filled in a
 *  TP_MSG and echoed back in the next TP_ACK so that the sender can compute the
 *  RTT. Since it is read only by the host which wrote it, there is no need to
 *  store it using network order
 */
struct batadv_icmp_tp_packet {
	__u8   packet_type;
	__u8   version;
	__u8   ttl;
	__u8   msg_type; /* see ICMP message types above */
	__u8   dst[ETH_ALEN];
	__u8   orig[ETH_ALEN];
	__u8   uid;
	__u8   subtype;
	__u8   session[2];
	__be32 seqno;
	__be32 timestamp;
};

/**
 * enum batadv_icmp_tp_subtype - ICMP TP Meter packet subtypes
 * @BATADV_TP_MSG: Msg from sender to receiver
 * @BATADV_TP_ACK: acknowledgment from receiver to sender
 */
enum batadv_icmp_tp_subtype {
	BATADV_TP_MSG	= 0,
	BATADV_TP_ACK,
};

#define BATADV_RR_LEN 16

/**
 * struct batadv_icmp_packet_rr - ICMP RouteRecord packet
 * @packet_type: batman-adv packet type, part of the general header
 * @version: batman-adv protocol version, part of the genereal header
 * @ttl: time to live for this packet, part of the genereal header
 * @msg_type: ICMP packet type
 * @dst: address of the destination node
 * @orig: address of the source node
 * @uid: local ICMP socket identifier
 * @rr_cur: number of entries the rr array
 * @seqno: ICMP sequence number
 * @rr: route record array
 */
struct batadv_icmp_packet_rr {
	__u8   packet_type;
	__u8   version;
	__u8   ttl;
	__u8   msg_type; /* see ICMP message types above */
	__u8   dst[ETH_ALEN];
	__u8   orig[ETH_ALEN];
	__u8   uid;
	__u8   rr_cur;
	__be16 seqno;
	__u8   rr[BATADV_RR_LEN][ETH_ALEN];
};

#define BATADV_ICMP_MAX_PACKET_SIZE	sizeof(struct batadv_icmp_packet_rr)

/* All packet headers in front of an ethernet header have to be completely
 * divisible by 2 but not by 4 to make the payload after the ethernet
 * header again 4 bytes boundary aligned.
 *
 * A packing of 2 is necessary to avoid extra padding at the end of the struct
 * caused by a structure member which is larger than two bytes. Otherwise
 * the structure would not fulfill the previously mentioned rule to avoid the
 * misalignment of the payload after the ethernet header. It may also lead to
 * leakage of information when the padding it not initialized before sending.
 */

/**
 * struct batadv_unicast_packet - unicast packet for network payload
 * @packet_type: batman-adv packet type, part of the general header
 * @version: batman-adv protocol version, part of the genereal header
 * @ttl: time to live for this packet, part of the genereal header
 * @ttvn: translation table version number
 * @dest: originator destination of the unicast packet
 */
struct batadv_unicast_packet {
	__u8 packet_type;
	__u8 version;
	__u8 ttl;
	__u8 ttvn; /* destination translation table version number */
	__u8 dest[ETH_ALEN];
	/* "4 bytes boundary + 2 bytes" long to make the payload after the
	 * following ethernet header again 4 bytes boundary aligned
	 */
};

/**
 * struct batadv_unicast_4addr_packet - extended unicast packet
 * @u: common unicast packet header
 * @src: address of the source
 * @subtype: packet subtype
 * @reserved: reserved byte for alignment
 */
struct batadv_unicast_4addr_packet {
	struct batadv_unicast_packet u;
	__u8 src[ETH_ALEN];
	__u8 subtype;
	__u8 reserved;
	/* "4 bytes boundary + 2 bytes" long to make the payload after the
	 * following ethernet header again 4 bytes boundary aligned
	 */
};

/**
 * struct batadv_frag_packet - fragmented packet
 * @packet_type: batman-adv packet type, part of the general header
 * @version: batman-adv protocol version, part of the genereal header
 * @ttl: time to live for this packet, part of the genereal header
 * @dest: final destination used when routing fragments
 * @orig: originator of the fragment used when merging the packet
 * @no: fragment number within this sequence
 * @priority: priority of frame, from ToS IP precedence or 802.1p
 * @reserved: reserved byte for alignment
 * @seqno: sequence identification
 * @total_size: size of the merged packet
 */
struct batadv_frag_packet {
	__u8   packet_type;
	__u8   version;  /* batman version field */
	__u8   ttl;
#if defined(__BIG_ENDIAN_BITFIELD)
	__u8   no:4;
	__u8   priority:3;
	__u8   reserved:1;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
	__u8   reserved:1;
	__u8   priority:3;
	__u8   no:4;
#else
#error "unknown bitfield endianness"
#endif
	__u8   dest[ETH_ALEN];
	__u8   orig[ETH_ALEN];
	__be16 seqno;
	__be16 total_size;
};

/**
 * struct batadv_bcast_packet - broadcast packet for network payload
 * @packet_type: batman-adv packet type, part of the general header
 * @version: batman-adv protocol version, part of the genereal header
 * @ttl: time to live for this packet, part of the genereal header
 * @reserved: reserved byte for alignment
 * @seqno: sequence identification
 * @orig: originator of the broadcast packet
 */
struct batadv_bcast_packet {
	__u8   packet_type;
	__u8   version;  /* batman version field */
	__u8   ttl;
	__u8   reserved;
	__be32 seqno;
	__u8   orig[ETH_ALEN];
	/* "4 bytes boundary + 2 bytes" long to make the payload after the
	 * following ethernet header again 4 bytes boundary aligned
	 */
};

/**
 * struct batadv_coded_packet - network coded packet
 * @packet_type: batman-adv packet type, part of the general header
 * @version: batman-adv protocol version, part of the genereal header
 * @ttl: time to live for this packet, part of the genereal header
 * @first_source: original source of first included packet
 * @first_orig_dest: original destinal of first included packet
 * @first_crc: checksum of first included packet
 * @first_ttvn: tt-version number of first included packet
 * @second_ttl: ttl of second packet
 * @second_dest: second receiver of this coded packet
 * @second_source: original source of second included packet
 * @second_orig_dest: original destination of second included packet
 * @second_crc: checksum of second included packet
 * @second_ttvn: tt version number of second included packet
 * @coded_len: length of network coded part of the payload
 */
struct batadv_coded_packet {
	__u8   packet_type;
	__u8   version;  /* batman version field */
	__u8   ttl;
	__u8   first_ttvn;
	/* __u8 first_dest[ETH_ALEN]; - saved in mac header destination */
	__u8   first_source[ETH_ALEN];
	__u8   first_orig_dest[ETH_ALEN];
	__be32 first_crc;
	__u8   second_ttl;
	__u8   second_ttvn;
	__u8   second_dest[ETH_ALEN];
	__u8   second_source[ETH_ALEN];
	__u8   second_orig_dest[ETH_ALEN];
	__be32 second_crc;
	__be16 coded_len;
};

/**
 * struct batadv_unicast_tvlv_packet - generic unicast packet with tvlv payload
 * @packet_type: batman-adv packet type, part of the general header
 * @version: batman-adv protocol version, part of the genereal header
 * @ttl: time to live for this packet, part of the genereal header
 * @reserved: reserved field (for packet alignment)
 * @src: address of the source
 * @dst: address of the destination
 * @tvlv_len: length of tvlv data following the unicast tvlv header
 * @align: 2 bytes to align the header to a 4 byte boundary
 */
struct batadv_unicast_tvlv_packet {
	__u8   packet_type;
	__u8   version;  /* batman version field */
	__u8   ttl;
	__u8   reserved;
	__u8   dst[ETH_ALEN];
	__u8   src[ETH_ALEN];
	__be16 tvlv_len;
	__u16  align;
};

/**
 * struct batadv_tvlv_hdr - base tvlv header struct
 * @type: tvlv container type (see batadv_tvlv_type)
 * @version: tvlv container version
 * @len: tvlv container length
 */
struct batadv_tvlv_hdr {
	__u8   type;
	__u8   version;
	__be16 len;
};

/**
 * struct batadv_tvlv_gateway_data - gateway data propagated through gw tvlv
 *  container
 * @bandwidth_down: advertised uplink download bandwidth
 * @bandwidth_up: advertised uplink upload bandwidth
 */
struct batadv_tvlv_gateway_data {
	__be32 bandwidth_down;
	__be32 bandwidth_up;
};

/**
 * struct batadv_tvlv_tt_data - tt data propagated through the tt tvlv container
 * @flags: translation table flags (see batadv_tt_data_flags)
 * @ttvn: translation table version number
 * @num_vlan: number of announced VLANs. In the TVLV this struct is followed by
 *  one batadv_tvlv_tt_vlan_data object per announced vlan
 */
struct batadv_tvlv_tt_data {
	__u8   flags;
	__u8   ttvn;
	__be16 num_vlan;
};

/**
 * struct batadv_tvlv_tt_vlan_data - vlan specific tt data propagated through
 *  the tt tvlv container
 * @crc: crc32 checksum of the entries belonging to this vlan
 * @vid: vlan identifier
 * @reserved: unused, useful for alignment purposes
 */
struct batadv_tvlv_tt_vlan_data {
	__be32 crc;
	__be16 vid;
	__u16  reserved;
};

/**
 * struct batadv_tvlv_tt_change - translation table diff data
 * @flags: status indicators concerning the non-mesh client (see
 *  batadv_tt_client_flags)
 * @reserved: reserved field - useful for alignment purposes only
 * @addr: mac address of non-mesh client that triggered this tt change
 * @vid: VLAN identifier
 */
struct batadv_tvlv_tt_change {
	__u8   flags;
	__u8   reserved[3];
	__u8   addr[ETH_ALEN];
	__be16 vid;
};

/**
 * struct batadv_tvlv_roam_adv - roaming advertisement
 * @client: mac address of roaming client
 * @vid: VLAN identifier
 */
struct batadv_tvlv_roam_adv {
	__u8   client[ETH_ALEN];
	__be16 vid;
};

/**
 * struct batadv_tvlv_mcast_data - payload of a multicast tvlv
 * @flags: multicast flags announced by the orig node
 * @reserved: reserved field
 */
struct batadv_tvlv_mcast_data {
	__u8 flags;
	__u8 reserved[3];
};

#pragma pack()

#endif /* _LINUX_BATADV_PACKET_H_ */

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