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[ .. KEMBALI ]
π a.out.h
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π acct.h
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π acrn.h
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π adb.h
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π adfs_fs.h
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π affs_hardblocks.h
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π agpgart.h
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π aio_abi.h
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π am437x-vpfe.h
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π android/
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π apm_bios.h
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π arcfb.h
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π arm_sdei.h
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π aspeed-lpc-ctrl.h
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π aspeed-p2a-ctrl.h
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π atalk.h
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π atm.h
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π atm_eni.h
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π atm_he.h
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π atm_idt77105.h
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π atm_nicstar.h
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π atm_tcp.h
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π atm_zatm.h
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π atmapi.h
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π atmarp.h
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π atmbr2684.h
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π atmclip.h
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π atmdev.h
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π atmioc.h
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π atmlec.h
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π atmmpc.h
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π atmppp.h
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π atmsap.h
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π atmsvc.h
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π audit.h
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π auto_dev-ioctl.h
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π auto_fs.h
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π auto_fs4.h
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π auxvec.h
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π ax25.h
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π batadv_packet.h
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π batman_adv.h
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π baycom.h
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π bcm933xx_hcs.h
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π bfs_fs.h
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π binfmts.h
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π bits.h
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π blkpg.h
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π blktrace_api.h
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π blkzoned.h
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π bpf.h
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π bpf_common.h
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π bpf_perf_event.h
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π bpfilter.h
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π bpqether.h
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π bsg.h
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π bt-bmc.h
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π btf.h
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π btrfs.h
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π btrfs_tree.h
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π byteorder/
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π cachefiles.h
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π caif/
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π can/
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π can.h
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π capability.h
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π capi.h
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π cciss_defs.h
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π cciss_ioctl.h
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π ccs.h
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π cdrom.h
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π cec-funcs.h
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π cec.h
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π cfm_bridge.h
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π cgroupstats.h
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π chio.h
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π cifs/
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π close_range.h
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π cm4000_cs.h
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π cn_proc.h
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π coda.h
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π coff.h
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π connector.h
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π const.h
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π coresight-stm.h
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π cramfs_fs.h
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π cryptouser.h
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π cuda.h
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π cxl_mem.h
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π cycx_cfm.h
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π dcbnl.h
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π dccp.h
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π devlink.h
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π dlm.h
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π dlm_device.h
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π dlm_netlink.h
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π dlm_plock.h
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π dlmconstants.h
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π dm-ioctl.h
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π dm-log-userspace.h
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π dma-buf.h
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π dma-heap.h
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π dn.h
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π dns_resolver.h
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π dpll.h
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π dqblk_xfs.h
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π dvb/
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π edd.h
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π efs_fs_sb.h
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π elf-em.h
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π elf-fdpic.h
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π elf.h
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π errno.h
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π errqueue.h
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π erspan.h
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π ethtool.h
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π ethtool_netlink.h
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π ethtool_netlink_generated.h
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π eventfd.h
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π eventpoll.h
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π f2fs.h
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π fadvise.h
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π falloc.h
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π fanotify.h
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π fb.h
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π fcntl.h
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π fd.h
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π fdreg.h
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π fib_rules.h
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π fiemap.h
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π filter.h
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π firewire-cdev.h
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π firewire-constants.h
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π fou.h
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π fpga-dfl.h
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π fs.h
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π fscrypt.h
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π fsi.h
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π fsl_hypervisor.h
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π fsl_mc.h
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π fsmap.h
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π fsverity.h
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π fuse.h
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π futex.h
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π gameport.h
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π gen_stats.h
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π genetlink.h
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π genwqe/
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π gfs2_ondisk.h
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π gpio.h
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π gsmmux.h
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π gtp.h
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π handshake.h
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π hash_info.h
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π hdlc/
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π hdlc.h
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π hdlcdrv.h
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π hdreg.h
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π hid.h
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π hiddev.h
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π hidraw.h
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π hpet.h
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π hsi/
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π hsr_netlink.h
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π hw_breakpoint.h
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π hyperv.h
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π i2c-dev.h
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π i2c.h
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π i2o-dev.h
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π i8k.h
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π icmp.h
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π icmpv6.h
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π idxd.h
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π if.h
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π if_addr.h
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π if_addrlabel.h
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π if_alg.h
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π if_arcnet.h
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π if_arp.h
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π if_bonding.h
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π if_bridge.h
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π if_cablemodem.h
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π if_eql.h
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π if_ether.h
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π if_fc.h
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π if_fddi.h
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π if_hippi.h
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π if_infiniband.h
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π if_link.h
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π if_ltalk.h
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π if_macsec.h
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π if_packet.h
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π if_phonet.h
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π if_plip.h
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π if_ppp.h
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π if_pppol2tp.h
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π if_pppox.h
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π if_slip.h
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π if_team.h
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π if_tun.h
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π if_tunnel.h
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π if_vlan.h
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π if_x25.h
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π if_xdp.h
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π ife.h
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π igmp.h
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π iio/
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π ila.h
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π in.h
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π in6.h
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π in_route.h
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π inet_diag.h
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π inotify.h
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π input-event-codes.h
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π input.h
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π io_uring.h
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π ioctl.h
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π iommufd.h
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π ioprio.h
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π ip.h
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π ip6_tunnel.h
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π ip_vs.h
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π ipc.h
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π ipmi.h
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π ipmi_bmc.h
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π ipmi_msgdefs.h
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π ipmi_ssif_bmc.h
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π ipsec.h
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π ipv6.h
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π ipv6_route.h
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π ipx.h
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π irqnr.h
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π isdn/
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π iso_fs.h
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π isst_if.h
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π ivtv.h
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π ivtvfb.h
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π jffs2.h
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π joystick.h
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π kcm.h
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π kcmp.h
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π kcov.h
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π kd.h
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π kdev_t.h
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π kernel-page-flags.h
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π kernel.h
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π kernelcapi.h
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π kexec.h
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π keyboard.h
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π keyctl.h
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π kfd_ioctl.h
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π kfd_sysfs.h
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π kvm.h
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π kvm_para.h
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π l2tp.h
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π landlock.h
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π libc-compat.h
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π limits.h
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π lirc.h
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π llc.h
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π loadpin.h
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π loop.h
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π lp.h
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π lsm.h
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π lwtunnel.h
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π magic.h
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π major.h
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π map_to_7segment.h
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π matroxfb.h
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π max2175.h
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π mdio.h
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π media-bus-format.h
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π media.h
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π mei.h
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π mei_uuid.h
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π membarrier.h
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π memfd.h
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π mempolicy.h
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π meye.h
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π mii.h
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π minix_fs.h
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π misc/
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π mman.h
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π mmc/
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π mmtimer.h
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π module.h
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π mount.h
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π mpls.h
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π mpls_iptunnel.h
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π mptcp.h
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π mptcp_pm.h
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π mqueue.h
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π mroute.h
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π mroute6.h
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π mrp_bridge.h
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π msdos_fs.h
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π msg.h
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π mshv.h
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π mtio.h
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π nbd-netlink.h
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π nbd.h
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π ncsi.h
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π ndctl.h
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π neighbour.h
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π net.h
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π net_dropmon.h
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π net_namespace.h
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π net_shaper.h
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π net_tstamp.h
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π netconf.h
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π netdev.h
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π netdevice.h
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π netfilter/
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π netfilter.h
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π netfilter_arp/
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π netfilter_arp.h
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π netfilter_bridge/
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π netfilter_bridge.h
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π netfilter_decnet.h
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π netfilter_ipv4/
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π netfilter_ipv4.h
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π netfilter_ipv6/
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π netfilter_ipv6.h
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π netlink.h
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π netlink_diag.h
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π netrom.h
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π nexthop.h
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π nfc.h
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π nfs.h
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π nfs2.h
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π nfs3.h
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π nfs4.h
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π nfs4_mount.h
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π nfs_fs.h
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π nfs_idmap.h
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π nfs_mount.h
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π nfsacl.h
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π nfsd/
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π nfsd_netlink.h
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π nilfs2_api.h
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π nilfs2_ondisk.h
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π nitro_enclaves.h
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π nl80211.h
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π nsfs.h
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π nubus.h
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π nvme_ioctl.h
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π nvram.h
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π omap3isp.h
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π omapfb.h
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π oom.h
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π openat2.h
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π openvswitch.h
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π packet_diag.h
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π param.h
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π parport.h
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π patchkey.h
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π pci.h
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π pci_regs.h
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π pcitest.h
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π perf_event.h
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π personality.h
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π pfkeyv2.h
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π pfrut.h
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π pg.h
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π phantom.h
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π phonet.h
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π pidfd.h
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π pkt_cls.h
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π pkt_sched.h
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π pktcdvd.h
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π pmu.h
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π poll.h
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π posix_acl.h
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π posix_acl_xattr.h
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π posix_types.h
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π ppdev.h
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π ppp-comp.h
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π ppp-ioctl.h
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π ppp_defs.h
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π pps.h
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π pr.h
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π prctl.h
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π psample.h
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π psci.h
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π psp-dbc.h
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π psp-sev.h
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π ptp_clock.h
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π ptrace.h
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π qemu_fw_cfg.h
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π qnx4_fs.h
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π qnxtypes.h
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π qrtr.h
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π quota.h
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π radeonfb.h
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π raid/
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π random.h
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π rds.h
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π reboot.h
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π reiserfs_fs.h
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π reiserfs_xattr.h
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π remoteproc_cdev.h
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π resource.h
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π rfkill.h
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π rio_cm_cdev.h
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π rio_mport_cdev.h
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π rkisp1-config.h
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π romfs_fs.h
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π rose.h
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π route.h
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π rpl.h
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π rpl_iptunnel.h
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π rpmsg.h
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π rpmsg_types.h
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π rseq.h
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π rtc.h
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π rtnetlink.h
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π rxrpc.h
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π scc.h
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π sched/
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π sched.h
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π scif_ioctl.h
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π screen_info.h
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π sctp.h
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π seccomp.h
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π securebits.h
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π sed-opal.h
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π seg6.h
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π seg6_genl.h
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π seg6_hmac.h
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π seg6_iptunnel.h
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π seg6_local.h
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π selinux_netlink.h
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π sem.h
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π serial.h
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π serial_core.h
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π serial_reg.h
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π serio.h
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π sev-guest.h
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π shm.h
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π signal.h
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π signalfd.h
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π smc.h
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π smc_diag.h
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π smiapp.h
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π snmp.h
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π sock_diag.h
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π socket.h
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π sockios.h
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π sonet.h
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π sonypi.h
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π sound.h
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π soundcard.h
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π spi/
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π stat.h
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π stddef.h
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π stm.h
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π string.h
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π sunrpc/
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π surface_aggregator/
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π suspend_ioctls.h
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π swab.h
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π switchtec_ioctl.h
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π sync_file.h
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π synclink.h
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π sysctl.h
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π sysinfo.h
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π target_core_user.h
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π taskstats.h
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π tc_act/
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π tc_ematch/
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π tcp.h
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π tcp_metrics.h
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π tdx-guest.h
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π tee.h
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π termios.h
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π thermal.h
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π time.h
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π time_types.h
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π timerfd.h
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π times.h
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π timex.h
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π tiocl.h
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π tipc.h
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π tipc_config.h
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π tipc_netlink.h
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π tipc_sockets_diag.h
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π tls.h
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π toshiba.h
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π tps6594_pfsm.h
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π tty.h
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π tty_flags.h
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π types.h
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π udf_fs_i.h
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π udmabuf.h
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π udp.h
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π uhid.h
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π uinput.h
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π uio.h
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π uleds.h
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π ultrasound.h
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π um_timetravel.h
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π un.h
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π unistd.h
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π unix_diag.h
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π usb/
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π usbdevice_fs.h
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π usbip.h
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π userfaultfd.h
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π userio.h
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π utime.h
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π utsname.h
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π uuid.h
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π uvcvideo.h
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π v4l2-common.h
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π v4l2-controls.h
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π v4l2-dv-timings.h
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π v4l2-mediabus.h
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π v4l2-subdev.h
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π vbox_err.h
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π vbox_vmmdev_types.h
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π vboxguest.h
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π vdpa.h
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π vduse.h
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π version.h
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π veth.h
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π vfio.h
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π vfio_ccw.h
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π vfio_zdev.h
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π vhost.h
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π vhost_types.h
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π videodev2.h
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π virtio_9p.h
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π virtio_balloon.h
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π virtio_blk.h
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π virtio_bt.h
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π virtio_config.h
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π virtio_console.h
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π virtio_crypto.h
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π virtio_fs.h
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π virtio_gpio.h
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π virtio_gpu.h
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π virtio_i2c.h
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π virtio_ids.h
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π virtio_input.h
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π virtio_iommu.h
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π virtio_mem.h
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π virtio_mmio.h
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π virtio_net.h
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π virtio_pci.h
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π virtio_pcidev.h
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π virtio_pmem.h
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π virtio_ring.h
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π virtio_rng.h
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π virtio_scmi.h
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π virtio_scsi.h
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π virtio_snd.h
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π virtio_types.h
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π virtio_vsock.h
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π vm_sockets.h
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π vm_sockets_diag.h
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π vmcore.h
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π vsockmon.h
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π vt.h
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π vtpm_proxy.h
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π wait.h
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π watch_queue.h
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π watchdog.h
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π wireguard.h
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π wireless.h
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π wmi.h
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π wwan.h
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π x25.h
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π xattr.h
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π xdp_diag.h
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π xfrm.h
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π xilinx-v4l2-controls.h
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π zorro.h
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π zorro_ids.h
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EDITING: openvswitch.h
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * Copyright (c) 2007-2017 Nicira, Inc. * * 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, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA */ #ifndef __LINUX_OPENVSWITCH_H #define __LINUX_OPENVSWITCH_H 1 #include <linux/types.h> #include <linux/if_ether.h> /** * struct ovs_header - header for OVS Generic Netlink messages. * @dp_ifindex: ifindex of local port for datapath (0 to make a request not * specific to a datapath). * * Attributes following the header are specific to a particular OVS Generic * Netlink family, but all of the OVS families use this header. */ struct ovs_header { int dp_ifindex; }; /* Datapaths. */ #define OVS_DATAPATH_FAMILY "ovs_datapath" #define OVS_DATAPATH_MCGROUP "ovs_datapath" /* V2: * - API users are expected to provide OVS_DP_ATTR_USER_FEATURES * when creating the datapath. */ #define OVS_DATAPATH_VERSION 2 /* First OVS datapath version to support features */ #define OVS_DP_VER_FEATURES 2 enum ovs_datapath_cmd { OVS_DP_CMD_UNSPEC, OVS_DP_CMD_NEW, OVS_DP_CMD_DEL, OVS_DP_CMD_GET, OVS_DP_CMD_SET }; /** * enum ovs_datapath_attr - attributes for %OVS_DP_* commands. * @OVS_DP_ATTR_NAME: Name of the network device that serves as the "local * port". This is the name of the network device whose dp_ifindex is given in * the &struct ovs_header. Always present in notifications. Required in * %OVS_DP_NEW requests. May be used as an alternative to specifying * dp_ifindex in other requests (with a dp_ifindex of 0). * @OVS_DP_ATTR_UPCALL_PID: The Netlink socket in userspace that is initially * set on the datapath port (for OVS_ACTION_ATTR_MISS). Only valid on * %OVS_DP_CMD_NEW requests. A value of zero indicates that upcalls should * not be sent. * @OVS_DP_ATTR_PER_CPU_PIDS: Per-cpu array of PIDs for upcalls when * OVS_DP_F_DISPATCH_UPCALL_PER_CPU feature is set. * @OVS_DP_ATTR_STATS: Statistics about packets that have passed through the * datapath. Always present in notifications. * @OVS_DP_ATTR_MEGAFLOW_STATS: Statistics about mega flow masks usage for the * datapath. Always present in notifications. * @OVS_DP_ATTR_IFINDEX: Interface index for a new datapath netdev. Only * valid for %OVS_DP_CMD_NEW requests. * * These attributes follow the &struct ovs_header within the Generic Netlink * payload for %OVS_DP_* commands. */ enum ovs_datapath_attr { OVS_DP_ATTR_UNSPEC, OVS_DP_ATTR_NAME, /* name of dp_ifindex netdev */ OVS_DP_ATTR_UPCALL_PID, /* Netlink PID to receive upcalls */ OVS_DP_ATTR_STATS, /* struct ovs_dp_stats */ OVS_DP_ATTR_MEGAFLOW_STATS, /* struct ovs_dp_megaflow_stats */ OVS_DP_ATTR_USER_FEATURES, /* OVS_DP_F_* */ OVS_DP_ATTR_PAD, OVS_DP_ATTR_MASKS_CACHE_SIZE, OVS_DP_ATTR_PER_CPU_PIDS, /* Netlink PIDS to receive upcalls in * per-cpu dispatch mode */ OVS_DP_ATTR_IFINDEX, __OVS_DP_ATTR_MAX }; #define OVS_DP_ATTR_MAX (__OVS_DP_ATTR_MAX - 1) struct ovs_dp_stats { __u64 n_hit; /* Number of flow table matches. */ __u64 n_missed; /* Number of flow table misses. */ __u64 n_lost; /* Number of misses not sent to userspace. */ __u64 n_flows; /* Number of flows present */ }; struct ovs_dp_megaflow_stats { __u64 n_mask_hit; /* Number of masks used for flow lookups. */ __u32 n_masks; /* Number of masks for the datapath. */ __u32 pad0; /* Pad for future expension. */ __u64 n_cache_hit; /* Number of cache matches for flow lookups. */ __u64 pad1; /* Pad for future expension. */ }; struct ovs_vport_stats { __u64 rx_packets; /* total packets received */ __u64 tx_packets; /* total packets transmitted */ __u64 rx_bytes; /* total bytes received */ __u64 tx_bytes; /* total bytes transmitted */ __u64 rx_errors; /* bad packets received */ __u64 tx_errors; /* packet transmit problems */ __u64 rx_dropped; /* no space in linux buffers */ __u64 tx_dropped; /* no space available in linux */ }; /* Allow last Netlink attribute to be unaligned */ #define OVS_DP_F_UNALIGNED (1 << 0) /* Allow datapath to associate multiple Netlink PIDs to each vport */ #define OVS_DP_F_VPORT_PIDS (1 << 1) /* Allow tc offload recirc sharing */ #define OVS_DP_F_TC_RECIRC_SHARING (1 << 2) /* Allow per-cpu dispatch of upcalls */ #define OVS_DP_F_DISPATCH_UPCALL_PER_CPU (1 << 3) /* Fixed logical ports. */ #define OVSP_LOCAL ((__u32)0) /* Packet transfer. */ #define OVS_PACKET_FAMILY "ovs_packet" #define OVS_PACKET_VERSION 0x1 enum ovs_packet_cmd { OVS_PACKET_CMD_UNSPEC, /* Kernel-to-user notifications. */ OVS_PACKET_CMD_MISS, /* Flow table miss. */ OVS_PACKET_CMD_ACTION, /* OVS_ACTION_ATTR_USERSPACE action. */ /* Userspace commands. */ OVS_PACKET_CMD_EXECUTE /* Apply actions to a packet. */ }; /** * enum ovs_packet_attr - attributes for %OVS_PACKET_* commands. * @OVS_PACKET_ATTR_PACKET: Present for all notifications. Contains the entire * packet as received, from the start of the Ethernet header onward. For * %OVS_PACKET_CMD_ACTION, %OVS_PACKET_ATTR_PACKET reflects changes made by * actions preceding %OVS_ACTION_ATTR_USERSPACE, but %OVS_PACKET_ATTR_KEY is * the flow key extracted from the packet as originally received. * @OVS_PACKET_ATTR_KEY: Present for all notifications. Contains the flow key * extracted from the packet as nested %OVS_KEY_ATTR_* attributes. This allows * userspace to adapt its flow setup strategy by comparing its notion of the * flow key against the kernel's. * @OVS_PACKET_ATTR_ACTIONS: Contains actions for the packet. Used * for %OVS_PACKET_CMD_EXECUTE. It has nested %OVS_ACTION_ATTR_* attributes. * Also used in upcall when %OVS_ACTION_ATTR_USERSPACE has optional * %OVS_USERSPACE_ATTR_ACTIONS attribute. * @OVS_PACKET_ATTR_USERDATA: Present for an %OVS_PACKET_CMD_ACTION * notification if the %OVS_ACTION_ATTR_USERSPACE action specified an * %OVS_USERSPACE_ATTR_USERDATA attribute, with the same length and content * specified there. * @OVS_PACKET_ATTR_EGRESS_TUN_KEY: Present for an %OVS_PACKET_CMD_ACTION * notification if the %OVS_ACTION_ATTR_USERSPACE action specified an * %OVS_USERSPACE_ATTR_EGRESS_TUN_PORT attribute, which is sent only if the * output port is actually a tunnel port. Contains the output tunnel key * extracted from the packet as nested %OVS_TUNNEL_KEY_ATTR_* attributes. * @OVS_PACKET_ATTR_MRU: Present for an %OVS_PACKET_CMD_ACTION and * @OVS_PACKET_ATTR_LEN: Packet size before truncation. * %OVS_PACKET_ATTR_USERSPACE action specify the Maximum received fragment * size. * @OVS_PACKET_ATTR_HASH: Packet hash info (e.g. hash, sw_hash and l4_hash in skb). * @OVS_PACKET_ATTR_UPCALL_PID: Netlink PID to use for upcalls while * processing %OVS_PACKET_CMD_EXECUTE. Takes precedence over all other ways * to determine the Netlink PID including %OVS_USERSPACE_ATTR_PID, * %OVS_DP_ATTR_UPCALL_PID, %OVS_DP_ATTR_PER_CPU_PIDS and the * %OVS_VPORT_ATTR_UPCALL_PID. * * These attributes follow the &struct ovs_header within the Generic Netlink * payload for %OVS_PACKET_* commands. */ enum ovs_packet_attr { OVS_PACKET_ATTR_UNSPEC, OVS_PACKET_ATTR_PACKET, /* Packet data. */ OVS_PACKET_ATTR_KEY, /* Nested OVS_KEY_ATTR_* attributes. */ OVS_PACKET_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */ OVS_PACKET_ATTR_USERDATA, /* OVS_ACTION_ATTR_USERSPACE arg. */ OVS_PACKET_ATTR_EGRESS_TUN_KEY, /* Nested OVS_TUNNEL_KEY_ATTR_* attributes. */ OVS_PACKET_ATTR_UNUSED1, OVS_PACKET_ATTR_UNUSED2, OVS_PACKET_ATTR_PROBE, /* Packet operation is a feature probe, error logging should be suppressed. */ OVS_PACKET_ATTR_MRU, /* Maximum received IP fragment size. */ OVS_PACKET_ATTR_LEN, /* Packet size before truncation. */ OVS_PACKET_ATTR_HASH, /* Packet hash. */ OVS_PACKET_ATTR_UPCALL_PID, /* u32 Netlink PID. */ __OVS_PACKET_ATTR_MAX }; #define OVS_PACKET_ATTR_MAX (__OVS_PACKET_ATTR_MAX - 1) /* Virtual ports. */ #define OVS_VPORT_FAMILY "ovs_vport" #define OVS_VPORT_MCGROUP "ovs_vport" #define OVS_VPORT_VERSION 0x1 enum ovs_vport_cmd { OVS_VPORT_CMD_UNSPEC, OVS_VPORT_CMD_NEW, OVS_VPORT_CMD_DEL, OVS_VPORT_CMD_GET, OVS_VPORT_CMD_SET }; enum ovs_vport_type { OVS_VPORT_TYPE_UNSPEC, OVS_VPORT_TYPE_NETDEV, /* network device */ OVS_VPORT_TYPE_INTERNAL, /* network device implemented by datapath */ OVS_VPORT_TYPE_GRE, /* GRE tunnel. */ OVS_VPORT_TYPE_VXLAN, /* VXLAN tunnel. */ OVS_VPORT_TYPE_GENEVE, /* Geneve tunnel. */ __OVS_VPORT_TYPE_MAX }; #define OVS_VPORT_TYPE_MAX (__OVS_VPORT_TYPE_MAX - 1) /** * enum ovs_vport_attr - attributes for %OVS_VPORT_* commands. * @OVS_VPORT_ATTR_PORT_NO: 32-bit port number within datapath. * @OVS_VPORT_ATTR_TYPE: 32-bit %OVS_VPORT_TYPE_* constant describing the type * of vport. * @OVS_VPORT_ATTR_NAME: Name of vport. For a vport based on a network device * this is the name of the network device. Maximum length %IFNAMSIZ-1 bytes * plus a null terminator. * @OVS_VPORT_ATTR_OPTIONS: Vport-specific configuration information. * @OVS_VPORT_ATTR_UPCALL_PID: The array of Netlink socket pids in userspace * among which OVS_PACKET_CMD_MISS upcalls will be distributed for packets * received on this port. If this is a single-element array of value 0, * upcalls should not be sent. * @OVS_VPORT_ATTR_STATS: A &struct ovs_vport_stats giving statistics for * packets sent or received through the vport. * * These attributes follow the &struct ovs_header within the Generic Netlink * payload for %OVS_VPORT_* commands. * * For %OVS_VPORT_CMD_NEW requests, the %OVS_VPORT_ATTR_TYPE and * %OVS_VPORT_ATTR_NAME attributes are required. %OVS_VPORT_ATTR_PORT_NO is * optional; if not specified a free port number is automatically selected. * Whether %OVS_VPORT_ATTR_OPTIONS is required or optional depends on the type * of vport. * * For other requests, if %OVS_VPORT_ATTR_NAME is specified then it is used to * look up the vport to operate on; otherwise dp_idx from the &struct * ovs_header plus %OVS_VPORT_ATTR_PORT_NO determine the vport. */ enum ovs_vport_attr { OVS_VPORT_ATTR_UNSPEC, OVS_VPORT_ATTR_PORT_NO, /* u32 port number within datapath */ OVS_VPORT_ATTR_TYPE, /* u32 OVS_VPORT_TYPE_* constant. */ OVS_VPORT_ATTR_NAME, /* string name, up to IFNAMSIZ bytes long */ OVS_VPORT_ATTR_OPTIONS, /* nested attributes, varies by vport type */ OVS_VPORT_ATTR_UPCALL_PID, /* array of u32 Netlink socket PIDs for */ /* receiving upcalls */ OVS_VPORT_ATTR_STATS, /* struct ovs_vport_stats */ OVS_VPORT_ATTR_PAD, OVS_VPORT_ATTR_IFINDEX, OVS_VPORT_ATTR_NETNSID, OVS_VPORT_ATTR_UPCALL_STATS, __OVS_VPORT_ATTR_MAX }; #define OVS_VPORT_ATTR_MAX (__OVS_VPORT_ATTR_MAX - 1) /** * enum ovs_vport_upcall_attr - attributes for %OVS_VPORT_UPCALL* commands * @OVS_VPORT_UPCALL_SUCCESS: 64-bit upcall success packets. * @OVS_VPORT_UPCALL_FAIL: 64-bit upcall fail packets. */ enum ovs_vport_upcall_attr { OVS_VPORT_UPCALL_ATTR_SUCCESS, OVS_VPORT_UPCALL_ATTR_FAIL, __OVS_VPORT_UPCALL_ATTR_MAX }; #define OVS_VPORT_UPCALL_ATTR_MAX (__OVS_VPORT_UPCALL_ATTR_MAX - 1) enum { OVS_VXLAN_EXT_UNSPEC, OVS_VXLAN_EXT_GBP, /* Flag or __u32 */ __OVS_VXLAN_EXT_MAX, }; #define OVS_VXLAN_EXT_MAX (__OVS_VXLAN_EXT_MAX - 1) /* OVS_VPORT_ATTR_OPTIONS attributes for tunnels. */ enum { OVS_TUNNEL_ATTR_UNSPEC, OVS_TUNNEL_ATTR_DST_PORT, /* 16-bit UDP port, used by L4 tunnels. */ OVS_TUNNEL_ATTR_EXTENSION, __OVS_TUNNEL_ATTR_MAX }; #define OVS_TUNNEL_ATTR_MAX (__OVS_TUNNEL_ATTR_MAX - 1) /* Flows. */ #define OVS_FLOW_FAMILY "ovs_flow" #define OVS_FLOW_MCGROUP "ovs_flow" #define OVS_FLOW_VERSION 0x1 enum ovs_flow_cmd { OVS_FLOW_CMD_UNSPEC, OVS_FLOW_CMD_NEW, OVS_FLOW_CMD_DEL, OVS_FLOW_CMD_GET, OVS_FLOW_CMD_SET }; struct ovs_flow_stats { __u64 n_packets; /* Number of matched packets. */ __u64 n_bytes; /* Number of matched bytes. */ }; enum ovs_key_attr { OVS_KEY_ATTR_UNSPEC, OVS_KEY_ATTR_ENCAP, /* Nested set of encapsulated attributes. */ OVS_KEY_ATTR_PRIORITY, /* u32 skb->priority */ OVS_KEY_ATTR_IN_PORT, /* u32 OVS dp port number */ OVS_KEY_ATTR_ETHERNET, /* struct ovs_key_ethernet */ OVS_KEY_ATTR_VLAN, /* be16 VLAN TCI */ OVS_KEY_ATTR_ETHERTYPE, /* be16 Ethernet type */ OVS_KEY_ATTR_IPV4, /* struct ovs_key_ipv4 */ OVS_KEY_ATTR_IPV6, /* struct ovs_key_ipv6 */ OVS_KEY_ATTR_TCP, /* struct ovs_key_tcp */ OVS_KEY_ATTR_UDP, /* struct ovs_key_udp */ OVS_KEY_ATTR_ICMP, /* struct ovs_key_icmp */ OVS_KEY_ATTR_ICMPV6, /* struct ovs_key_icmpv6 */ OVS_KEY_ATTR_ARP, /* struct ovs_key_arp */ OVS_KEY_ATTR_ND, /* struct ovs_key_nd */ OVS_KEY_ATTR_SKB_MARK, /* u32 skb mark */ OVS_KEY_ATTR_TUNNEL, /* Nested set of ovs_tunnel attributes */ OVS_KEY_ATTR_SCTP, /* struct ovs_key_sctp */ OVS_KEY_ATTR_TCP_FLAGS, /* be16 TCP flags. */ OVS_KEY_ATTR_DP_HASH, /* u32 hash value. Value 0 indicates the hash is not computed by the datapath. */ OVS_KEY_ATTR_RECIRC_ID, /* u32 recirc id */ OVS_KEY_ATTR_MPLS, /* array of struct ovs_key_mpls. * The implementation may restrict * the accepted length of the array. */ OVS_KEY_ATTR_CT_STATE, /* u32 bitmask of OVS_CS_F_* */ OVS_KEY_ATTR_CT_ZONE, /* u16 connection tracking zone. */ OVS_KEY_ATTR_CT_MARK, /* u32 connection tracking mark */ OVS_KEY_ATTR_CT_LABELS, /* 16-octet connection tracking label */ OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4, /* struct ovs_key_ct_tuple_ipv4 */ OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6, /* struct ovs_key_ct_tuple_ipv6 */ OVS_KEY_ATTR_NSH, /* Nested set of ovs_nsh_key_* */ __OVS_KEY_ATTR_MAX }; #define OVS_KEY_ATTR_MAX (__OVS_KEY_ATTR_MAX - 1) enum ovs_tunnel_key_attr { /* OVS_TUNNEL_KEY_ATTR_NONE, standard nl API requires this attribute! */ OVS_TUNNEL_KEY_ATTR_ID, /* be64 Tunnel ID */ OVS_TUNNEL_KEY_ATTR_IPV4_SRC, /* be32 src IP address. */ OVS_TUNNEL_KEY_ATTR_IPV4_DST, /* be32 dst IP address. */ OVS_TUNNEL_KEY_ATTR_TOS, /* u8 Tunnel IP ToS. */ OVS_TUNNEL_KEY_ATTR_TTL, /* u8 Tunnel IP TTL. */ OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT, /* No argument, set DF. */ OVS_TUNNEL_KEY_ATTR_CSUM, /* No argument. CSUM packet. */ OVS_TUNNEL_KEY_ATTR_OAM, /* No argument. OAM frame. */ OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS, /* Array of Geneve options. */ OVS_TUNNEL_KEY_ATTR_TP_SRC, /* be16 src Transport Port. */ OVS_TUNNEL_KEY_ATTR_TP_DST, /* be16 dst Transport Port. */ OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS, /* Nested OVS_VXLAN_EXT_* */ OVS_TUNNEL_KEY_ATTR_IPV6_SRC, /* struct in6_addr src IPv6 address. */ OVS_TUNNEL_KEY_ATTR_IPV6_DST, /* struct in6_addr dst IPv6 address. */ OVS_TUNNEL_KEY_ATTR_PAD, OVS_TUNNEL_KEY_ATTR_ERSPAN_OPTS, /* struct erspan_metadata */ OVS_TUNNEL_KEY_ATTR_IPV4_INFO_BRIDGE, /* No argument. IPV4_INFO_BRIDGE mode.*/ __OVS_TUNNEL_KEY_ATTR_MAX }; #define OVS_TUNNEL_KEY_ATTR_MAX (__OVS_TUNNEL_KEY_ATTR_MAX - 1) /** * enum ovs_frag_type - IPv4 and IPv6 fragment type * @OVS_FRAG_TYPE_NONE: Packet is not a fragment. * @OVS_FRAG_TYPE_FIRST: Packet is a fragment with offset 0. * @OVS_FRAG_TYPE_LATER: Packet is a fragment with nonzero offset. * * Used as the @ipv4_frag in &struct ovs_key_ipv4 and as @ipv6_frag &struct * ovs_key_ipv6. */ enum ovs_frag_type { OVS_FRAG_TYPE_NONE, OVS_FRAG_TYPE_FIRST, OVS_FRAG_TYPE_LATER, __OVS_FRAG_TYPE_MAX }; #define OVS_FRAG_TYPE_MAX (__OVS_FRAG_TYPE_MAX - 1) struct ovs_key_ethernet { __u8 eth_src[ETH_ALEN]; __u8 eth_dst[ETH_ALEN]; }; struct ovs_key_mpls { __be32 mpls_lse; }; struct ovs_key_ipv4 { __be32 ipv4_src; __be32 ipv4_dst; __u8 ipv4_proto; __u8 ipv4_tos; __u8 ipv4_ttl; __u8 ipv4_frag; /* One of OVS_FRAG_TYPE_*. */ }; struct ovs_key_ipv6 { __be32 ipv6_src[4]; __be32 ipv6_dst[4]; __be32 ipv6_label; /* 20-bits in least-significant bits. */ __u8 ipv6_proto; __u8 ipv6_tclass; __u8 ipv6_hlimit; __u8 ipv6_frag; /* One of OVS_FRAG_TYPE_*. */ }; struct ovs_key_tcp { __be16 tcp_src; __be16 tcp_dst; }; struct ovs_key_udp { __be16 udp_src; __be16 udp_dst; }; struct ovs_key_sctp { __be16 sctp_src; __be16 sctp_dst; }; struct ovs_key_icmp { __u8 icmp_type; __u8 icmp_code; }; struct ovs_key_icmpv6 { __u8 icmpv6_type; __u8 icmpv6_code; }; struct ovs_key_arp { __be32 arp_sip; __be32 arp_tip; __be16 arp_op; __u8 arp_sha[ETH_ALEN]; __u8 arp_tha[ETH_ALEN]; }; struct ovs_key_nd { __be32 nd_target[4]; __u8 nd_sll[ETH_ALEN]; __u8 nd_tll[ETH_ALEN]; }; #define OVS_CT_LABELS_LEN_32 4 #define OVS_CT_LABELS_LEN (OVS_CT_LABELS_LEN_32 * sizeof(__u32)) struct ovs_key_ct_labels { union { __u8 ct_labels[OVS_CT_LABELS_LEN]; __u32 ct_labels_32[OVS_CT_LABELS_LEN_32]; }; }; /* OVS_KEY_ATTR_CT_STATE flags */ #define OVS_CS_F_NEW 0x01 /* Beginning of a new connection. */ #define OVS_CS_F_ESTABLISHED 0x02 /* Part of an existing connection. */ #define OVS_CS_F_RELATED 0x04 /* Related to an established * connection. */ #define OVS_CS_F_REPLY_DIR 0x08 /* Flow is in the reply direction. */ #define OVS_CS_F_INVALID 0x10 /* Could not track connection. */ #define OVS_CS_F_TRACKED 0x20 /* Conntrack has occurred. */ #define OVS_CS_F_SRC_NAT 0x40 /* Packet's source address/port was * mangled by NAT. */ #define OVS_CS_F_DST_NAT 0x80 /* Packet's destination address/port * was mangled by NAT. */ #define OVS_CS_F_NAT_MASK (OVS_CS_F_SRC_NAT | OVS_CS_F_DST_NAT) struct ovs_key_ct_tuple_ipv4 { __be32 ipv4_src; __be32 ipv4_dst; __be16 src_port; __be16 dst_port; __u8 ipv4_proto; }; struct ovs_key_ct_tuple_ipv6 { __be32 ipv6_src[4]; __be32 ipv6_dst[4]; __be16 src_port; __be16 dst_port; __u8 ipv6_proto; }; enum ovs_nsh_key_attr { OVS_NSH_KEY_ATTR_UNSPEC, OVS_NSH_KEY_ATTR_BASE, /* struct ovs_nsh_key_base. */ OVS_NSH_KEY_ATTR_MD1, /* struct ovs_nsh_key_md1. */ OVS_NSH_KEY_ATTR_MD2, /* variable-length octets for MD type 2. */ __OVS_NSH_KEY_ATTR_MAX }; #define OVS_NSH_KEY_ATTR_MAX (__OVS_NSH_KEY_ATTR_MAX - 1) struct ovs_nsh_key_base { __u8 flags; __u8 ttl; __u8 mdtype; __u8 np; __be32 path_hdr; }; #define NSH_MD1_CONTEXT_SIZE 4 struct ovs_nsh_key_md1 { __be32 context[NSH_MD1_CONTEXT_SIZE]; }; /** * enum ovs_flow_attr - attributes for %OVS_FLOW_* commands. * @OVS_FLOW_ATTR_KEY: Nested %OVS_KEY_ATTR_* attributes specifying the flow * key. Always present in notifications. Required for all requests (except * dumps). * @OVS_FLOW_ATTR_ACTIONS: Nested %OVS_ACTION_ATTR_* attributes specifying * the actions to take for packets that match the key. Always present in * notifications. Required for %OVS_FLOW_CMD_NEW requests, optional for * %OVS_FLOW_CMD_SET requests. An %OVS_FLOW_CMD_SET without * %OVS_FLOW_ATTR_ACTIONS will not modify the actions. To clear the actions, * an %OVS_FLOW_ATTR_ACTIONS without any nested attributes must be given. * @OVS_FLOW_ATTR_STATS: &struct ovs_flow_stats giving statistics for this * flow. Present in notifications if the stats would be nonzero. Ignored in * requests. * @OVS_FLOW_ATTR_TCP_FLAGS: An 8-bit value giving the OR'd value of all of the * TCP flags seen on packets in this flow. Only present in notifications for * TCP flows, and only if it would be nonzero. Ignored in requests. * @OVS_FLOW_ATTR_USED: A 64-bit integer giving the time, in milliseconds on * the system monotonic clock, at which a packet was last processed for this * flow. Only present in notifications if a packet has been processed for this * flow. Ignored in requests. * @OVS_FLOW_ATTR_CLEAR: If present in a %OVS_FLOW_CMD_SET request, clears the * last-used time, accumulated TCP flags, and statistics for this flow. * Otherwise ignored in requests. Never present in notifications. * @OVS_FLOW_ATTR_MASK: Nested %OVS_KEY_ATTR_* attributes specifying the * mask bits for wildcarded flow match. Mask bit value '1' specifies exact * match with corresponding flow key bit, while mask bit value '0' specifies * a wildcarded match. Omitting attribute is treated as wildcarding all * corresponding fields. Optional for all requests. If not present, * all flow key bits are exact match bits. * @OVS_FLOW_ATTR_UFID: A value between 1-16 octets specifying a unique * identifier for the flow. Causes the flow to be indexed by this value rather * than the value of the %OVS_FLOW_ATTR_KEY attribute. Optional for all * requests. Present in notifications if the flow was created with this * attribute. * @OVS_FLOW_ATTR_UFID_FLAGS: A 32-bit value of OR'd %OVS_UFID_F_* * flags that provide alternative semantics for flow installation and * retrieval. Optional for all requests. * * These attributes follow the &struct ovs_header within the Generic Netlink * payload for %OVS_FLOW_* commands. */ enum ovs_flow_attr { OVS_FLOW_ATTR_UNSPEC, OVS_FLOW_ATTR_KEY, /* Sequence of OVS_KEY_ATTR_* attributes. */ OVS_FLOW_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */ OVS_FLOW_ATTR_STATS, /* struct ovs_flow_stats. */ OVS_FLOW_ATTR_TCP_FLAGS, /* 8-bit OR'd TCP flags. */ OVS_FLOW_ATTR_USED, /* u64 msecs last used in monotonic time. */ OVS_FLOW_ATTR_CLEAR, /* Flag to clear stats, tcp_flags, used. */ OVS_FLOW_ATTR_MASK, /* Sequence of OVS_KEY_ATTR_* attributes. */ OVS_FLOW_ATTR_PROBE, /* Flow operation is a feature probe, error * logging should be suppressed. */ OVS_FLOW_ATTR_UFID, /* Variable length unique flow identifier. */ OVS_FLOW_ATTR_UFID_FLAGS,/* u32 of OVS_UFID_F_*. */ OVS_FLOW_ATTR_PAD, __OVS_FLOW_ATTR_MAX }; #define OVS_FLOW_ATTR_MAX (__OVS_FLOW_ATTR_MAX - 1) /** * Omit attributes for notifications. * * If a datapath request contains an %OVS_UFID_F_OMIT_* flag, then the datapath * may omit the corresponding %OVS_FLOW_ATTR_* from the response. */ #define OVS_UFID_F_OMIT_KEY (1 << 0) #define OVS_UFID_F_OMIT_MASK (1 << 1) #define OVS_UFID_F_OMIT_ACTIONS (1 << 2) /** * enum ovs_sample_attr - Attributes for %OVS_ACTION_ATTR_SAMPLE action. * @OVS_SAMPLE_ATTR_PROBABILITY: 32-bit fraction of packets to sample with * @OVS_ACTION_ATTR_SAMPLE. A value of 0 samples no packets, a value of * %UINT32_MAX samples all packets and intermediate values sample intermediate * fractions of packets. * @OVS_SAMPLE_ATTR_ACTIONS: Set of actions to execute in sampling event. * Actions are passed as nested attributes. * * Executes the specified actions with the given probability on a per-packet * basis. Nested actions will be able to access the probability value of the * parent @OVS_ACTION_ATTR_SAMPLE. */ enum ovs_sample_attr { OVS_SAMPLE_ATTR_UNSPEC, OVS_SAMPLE_ATTR_PROBABILITY, /* u32 number */ OVS_SAMPLE_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */ __OVS_SAMPLE_ATTR_MAX, }; #define OVS_SAMPLE_ATTR_MAX (__OVS_SAMPLE_ATTR_MAX - 1) /** * enum ovs_userspace_attr - Attributes for %OVS_ACTION_ATTR_USERSPACE action. * @OVS_USERSPACE_ATTR_PID: u32 Netlink PID to which the %OVS_PACKET_CMD_ACTION * message should be sent. Required. * @OVS_USERSPACE_ATTR_USERDATA: If present, its variable-length argument is * copied to the %OVS_PACKET_CMD_ACTION message as %OVS_PACKET_ATTR_USERDATA. * @OVS_USERSPACE_ATTR_EGRESS_TUN_PORT: If present, u32 output port to get * tunnel info. * @OVS_USERSPACE_ATTR_ACTIONS: If present, send actions with upcall. */ enum ovs_userspace_attr { OVS_USERSPACE_ATTR_UNSPEC, OVS_USERSPACE_ATTR_PID, /* u32 Netlink PID to receive upcalls. */ OVS_USERSPACE_ATTR_USERDATA, /* Optional user-specified cookie. */ OVS_USERSPACE_ATTR_EGRESS_TUN_PORT, /* Optional, u32 output port * to get tunnel info. */ OVS_USERSPACE_ATTR_ACTIONS, /* Optional flag to get actions. */ __OVS_USERSPACE_ATTR_MAX }; #define OVS_USERSPACE_ATTR_MAX (__OVS_USERSPACE_ATTR_MAX - 1) struct ovs_action_trunc { __u32 max_len; /* Max packet size in bytes. */ }; /** * struct ovs_action_push_mpls - %OVS_ACTION_ATTR_PUSH_MPLS action argument. * @mpls_lse: MPLS label stack entry to push. * @mpls_ethertype: Ethertype to set in the encapsulating ethernet frame. * * The only values @mpls_ethertype should ever be given are %ETH_P_MPLS_UC and * %ETH_P_MPLS_MC, indicating MPLS unicast or multicast. Other are rejected. */ struct ovs_action_push_mpls { __be32 mpls_lse; __be16 mpls_ethertype; /* Either %ETH_P_MPLS_UC or %ETH_P_MPLS_MC */ }; /** * struct ovs_action_add_mpls - %OVS_ACTION_ATTR_ADD_MPLS action * argument. * @mpls_lse: MPLS label stack entry to push. * @mpls_ethertype: Ethertype to set in the encapsulating ethernet frame. * @tun_flags: MPLS tunnel attributes. * * The only values @mpls_ethertype should ever be given are %ETH_P_MPLS_UC and * %ETH_P_MPLS_MC, indicating MPLS unicast or multicast. Other are rejected. */ struct ovs_action_add_mpls { __be32 mpls_lse; __be16 mpls_ethertype; /* Either %ETH_P_MPLS_UC or %ETH_P_MPLS_MC */ __u16 tun_flags; }; #define OVS_MPLS_L3_TUNNEL_FLAG_MASK (1 << 0) /* Flag to specify the place of * insertion of MPLS header. * When false, the MPLS header * will be inserted at the start * of the packet. * When true, the MPLS header * will be inserted at the start * of the l3 header. */ /** * struct ovs_action_push_vlan - %OVS_ACTION_ATTR_PUSH_VLAN action argument. * @vlan_tpid: Tag protocol identifier (TPID) to push. * @vlan_tci: Tag control identifier (TCI) to push. The CFI bit must be set * (but it will not be set in the 802.1Q header that is pushed). * * The @vlan_tpid value is typically %ETH_P_8021Q or %ETH_P_8021AD. * The only acceptable TPID values are those that the kernel module also parses * as 802.1Q or 802.1AD headers, to prevent %OVS_ACTION_ATTR_PUSH_VLAN followed * by %OVS_ACTION_ATTR_POP_VLAN from having surprising results. */ struct ovs_action_push_vlan { __be16 vlan_tpid; /* 802.1Q or 802.1ad TPID. */ __be16 vlan_tci; /* 802.1Q TCI (VLAN ID and priority). */ }; /* Data path hash algorithm for computing Datapath hash. * * The algorithm type only specifies the fields in a flow * will be used as part of the hash. Each datapath is free * to use its own hash algorithm. The hash value will be * opaque to the user space daemon. */ enum ovs_hash_alg { OVS_HASH_ALG_L4, OVS_HASH_ALG_SYM_L4, }; /* * struct ovs_action_hash - %OVS_ACTION_ATTR_HASH action argument. * @hash_alg: Algorithm used to compute hash prior to recirculation. * @hash_basis: basis used for computing hash. */ struct ovs_action_hash { __u32 hash_alg; /* One of ovs_hash_alg. */ __u32 hash_basis; }; /** * enum ovs_ct_attr - Attributes for %OVS_ACTION_ATTR_CT action. * @OVS_CT_ATTR_COMMIT: If present, commits the connection to the conntrack * table. This allows future packets for the same connection to be identified * as 'established' or 'related'. The flow key for the current packet will * retain the pre-commit connection state. * @OVS_CT_ATTR_ZONE: u16 connection tracking zone. * @OVS_CT_ATTR_MARK: u32 value followed by u32 mask. For each bit set in the * mask, the corresponding bit in the value is copied to the connection * tracking mark field in the connection. * @OVS_CT_ATTR_LABELS: %OVS_CT_LABELS_LEN value followed by %OVS_CT_LABELS_LEN * mask. For each bit set in the mask, the corresponding bit in the value is * copied to the connection tracking label field in the connection. * @OVS_CT_ATTR_HELPER: variable length string defining conntrack ALG. * @OVS_CT_ATTR_NAT: Nested OVS_NAT_ATTR_* for performing L3 network address * translation (NAT) on the packet. * @OVS_CT_ATTR_FORCE_COMMIT: Like %OVS_CT_ATTR_COMMIT, but instead of doing * nothing if the connection is already committed will check that the current * packet is in conntrack entry's original direction. If directionality does * not match, will delete the existing conntrack entry and commit a new one. * @OVS_CT_ATTR_EVENTMASK: Mask of bits indicating which conntrack event types * (enum ip_conntrack_events IPCT_*) should be reported. For any bit set to * zero, the corresponding event type is not generated. Default behavior * depends on system configuration, but typically all event types are * generated, hence listening on NFNLGRP_CONNTRACK_UPDATE events may get a lot * of events. Explicitly passing this attribute allows limiting the updates * received to the events of interest. The bit 1 << IPCT_NEW, 1 << * IPCT_RELATED, and 1 << IPCT_DESTROY must be set to ones for those events to * be received on NFNLGRP_CONNTRACK_NEW and NFNLGRP_CONNTRACK_DESTROY groups, * respectively. Remaining bits control the changes for which an event is * delivered on the NFNLGRP_CONNTRACK_UPDATE group. * @OVS_CT_ATTR_TIMEOUT: Variable length string defining conntrack timeout. */ enum ovs_ct_attr { OVS_CT_ATTR_UNSPEC, OVS_CT_ATTR_COMMIT, /* No argument, commits connection. */ OVS_CT_ATTR_ZONE, /* u16 zone id. */ OVS_CT_ATTR_MARK, /* mark to associate with this connection. */ OVS_CT_ATTR_LABELS, /* labels to associate with this connection. */ OVS_CT_ATTR_HELPER, /* netlink helper to assist detection of related connections. */ OVS_CT_ATTR_NAT, /* Nested OVS_NAT_ATTR_* */ OVS_CT_ATTR_FORCE_COMMIT, /* No argument */ OVS_CT_ATTR_EVENTMASK, /* u32 mask of IPCT_* events. */ OVS_CT_ATTR_TIMEOUT, /* Associate timeout with this connection for * fine-grain timeout tuning. */ __OVS_CT_ATTR_MAX }; #define OVS_CT_ATTR_MAX (__OVS_CT_ATTR_MAX - 1) /** * enum ovs_nat_attr - Attributes for %OVS_CT_ATTR_NAT. * * @OVS_NAT_ATTR_SRC: Flag for Source NAT (mangle source address/port). * @OVS_NAT_ATTR_DST: Flag for Destination NAT (mangle destination * address/port). Only one of (@OVS_NAT_ATTR_SRC, @OVS_NAT_ATTR_DST) may be * specified. Effective only for packets for ct_state NEW connections. * Packets of committed connections are mangled by the NAT action according to * the committed NAT type regardless of the flags specified. As a corollary, a * NAT action without a NAT type flag will only mangle packets of committed * connections. The following NAT attributes only apply for NEW * (non-committed) connections, and they may be included only when the CT * action has the @OVS_CT_ATTR_COMMIT flag and either @OVS_NAT_ATTR_SRC or * @OVS_NAT_ATTR_DST is also included. * @OVS_NAT_ATTR_IP_MIN: struct in_addr or struct in6_addr * @OVS_NAT_ATTR_IP_MAX: struct in_addr or struct in6_addr * @OVS_NAT_ATTR_PROTO_MIN: u16 L4 protocol specific lower boundary (port) * @OVS_NAT_ATTR_PROTO_MAX: u16 L4 protocol specific upper boundary (port) * @OVS_NAT_ATTR_PERSISTENT: Flag for persistent IP mapping across reboots * @OVS_NAT_ATTR_PROTO_HASH: Flag for pseudo random L4 port mapping (MD5) * @OVS_NAT_ATTR_PROTO_RANDOM: Flag for fully randomized L4 port mapping */ enum ovs_nat_attr { OVS_NAT_ATTR_UNSPEC, OVS_NAT_ATTR_SRC, OVS_NAT_ATTR_DST, OVS_NAT_ATTR_IP_MIN, OVS_NAT_ATTR_IP_MAX, OVS_NAT_ATTR_PROTO_MIN, OVS_NAT_ATTR_PROTO_MAX, OVS_NAT_ATTR_PERSISTENT, OVS_NAT_ATTR_PROTO_HASH, OVS_NAT_ATTR_PROTO_RANDOM, __OVS_NAT_ATTR_MAX, }; #define OVS_NAT_ATTR_MAX (__OVS_NAT_ATTR_MAX - 1) /* * struct ovs_action_push_eth - %OVS_ACTION_ATTR_PUSH_ETH action argument. * @addresses: Source and destination MAC addresses. * @eth_type: Ethernet type */ struct ovs_action_push_eth { struct ovs_key_ethernet addresses; }; /* * enum ovs_check_pkt_len_attr - Attributes for %OVS_ACTION_ATTR_CHECK_PKT_LEN. * * @OVS_CHECK_PKT_LEN_ATTR_PKT_LEN: u16 Packet length to check for. * @OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_GREATER: Nested OVS_ACTION_ATTR_* * actions to apply if the packer length is greater than the specified * length in the attr - OVS_CHECK_PKT_LEN_ATTR_PKT_LEN. * @OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_LESS_EQUAL - Nested OVS_ACTION_ATTR_* * actions to apply if the packer length is lesser or equal to the specified * length in the attr - OVS_CHECK_PKT_LEN_ATTR_PKT_LEN. */ enum ovs_check_pkt_len_attr { OVS_CHECK_PKT_LEN_ATTR_UNSPEC, OVS_CHECK_PKT_LEN_ATTR_PKT_LEN, OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_GREATER, OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_LESS_EQUAL, __OVS_CHECK_PKT_LEN_ATTR_MAX, }; #define OVS_CHECK_PKT_LEN_ATTR_MAX (__OVS_CHECK_PKT_LEN_ATTR_MAX - 1) #define OVS_PSAMPLE_COOKIE_MAX_SIZE 16 /** * enum ovs_psample_attr - Attributes for %OVS_ACTION_ATTR_PSAMPLE * action. * * @OVS_PSAMPLE_ATTR_GROUP: 32-bit number to identify the source of the * sample. * @OVS_PSAMPLE_ATTR_COOKIE: An optional variable-length binary cookie that * contains user-defined metadata. The maximum length is * OVS_PSAMPLE_COOKIE_MAX_SIZE bytes. * * Sends the packet to the psample multicast group with the specified group and * cookie. It is possible to combine this action with the * %OVS_ACTION_ATTR_TRUNC action to limit the size of the sample. */ enum ovs_psample_attr { OVS_PSAMPLE_ATTR_GROUP = 1, /* u32 number. */ OVS_PSAMPLE_ATTR_COOKIE, /* Optional, user specified cookie. */ /* private: */ __OVS_PSAMPLE_ATTR_MAX }; #define OVS_PSAMPLE_ATTR_MAX (__OVS_PSAMPLE_ATTR_MAX - 1) /** * enum ovs_action_attr - Action types. * * @OVS_ACTION_ATTR_OUTPUT: Output packet to port. * @OVS_ACTION_ATTR_TRUNC: Output packet to port with truncated packet size. * @OVS_ACTION_ATTR_USERSPACE: Send packet to userspace according to nested * %OVS_USERSPACE_ATTR_* attributes. * @OVS_ACTION_ATTR_SET: Replaces the contents of an existing header. The * single nested %OVS_KEY_ATTR_* attribute specifies a header to modify and its * value. * @OVS_ACTION_ATTR_SET_MASKED: Replaces the contents of an existing header. A * nested %OVS_KEY_ATTR_* attribute specifies a header to modify, its value, * and a mask. For every bit set in the mask, the corresponding bit value * is copied from the value to the packet header field, rest of the bits are * left unchanged. The non-masked value bits must be passed in as zeroes. * Masking is not supported for the %OVS_KEY_ATTR_TUNNEL attribute. * @OVS_ACTION_ATTR_PUSH_VLAN: Push a new outermost 802.1Q or 802.1ad header * onto the packet. * @OVS_ACTION_ATTR_POP_VLAN: Pop the outermost 802.1Q or 802.1ad header * from the packet. * @OVS_ACTION_ATTR_SAMPLE: Probabilitically executes actions, as specified in * the nested %OVS_SAMPLE_ATTR_* attributes. * @OVS_ACTION_ATTR_PUSH_MPLS: Push a new MPLS label stack entry onto the * top of the packets MPLS label stack. Set the ethertype of the * encapsulating frame to either %ETH_P_MPLS_UC or %ETH_P_MPLS_MC to * indicate the new packet contents. * @OVS_ACTION_ATTR_POP_MPLS: Pop an MPLS label stack entry off of the * packet's MPLS label stack. Set the encapsulating frame's ethertype to * indicate the new packet contents. This could potentially still be * %ETH_P_MPLS if the resulting MPLS label stack is not empty. If there * is no MPLS label stack, as determined by ethertype, no action is taken. * @OVS_ACTION_ATTR_CT: Track the connection. Populate the conntrack-related * entries in the flow key. * @OVS_ACTION_ATTR_PUSH_ETH: Push a new outermost Ethernet header onto the * packet. * @OVS_ACTION_ATTR_POP_ETH: Pop the outermost Ethernet header off the * packet. * @OVS_ACTION_ATTR_CT_CLEAR: Clear conntrack state from the packet. * @OVS_ACTION_ATTR_PUSH_NSH: push NSH header to the packet. * @OVS_ACTION_ATTR_POP_NSH: pop the outermost NSH header off the packet. * @OVS_ACTION_ATTR_METER: Run packet through a meter, which may drop the * packet, or modify the packet (e.g., change the DSCP field). * @OVS_ACTION_ATTR_CLONE: make a copy of the packet and execute a list of * actions without affecting the original packet and key. * @OVS_ACTION_ATTR_CHECK_PKT_LEN: Check the packet length and execute a set * of actions if greater than the specified packet length, else execute * another set of actions. * @OVS_ACTION_ATTR_ADD_MPLS: Push a new MPLS label stack entry at the * start of the packet or at the start of the l3 header depending on the value * of l3 tunnel flag in the tun_flags field of OVS_ACTION_ATTR_ADD_MPLS * argument. * @OVS_ACTION_ATTR_DROP: Explicit drop action. * @OVS_ACTION_ATTR_PSAMPLE: Send a sample of the packet to external observers * via psample. * * Only a single header can be set with a single %OVS_ACTION_ATTR_SET. Not all * fields within a header are modifiable, e.g. the IPv4 protocol and fragment * type may not be changed. * * @OVS_ACTION_ATTR_SET_TO_MASKED: Kernel internal masked set action translated * from the @OVS_ACTION_ATTR_SET. */ enum ovs_action_attr { OVS_ACTION_ATTR_UNSPEC, OVS_ACTION_ATTR_OUTPUT, /* u32 port number. */ OVS_ACTION_ATTR_USERSPACE, /* Nested OVS_USERSPACE_ATTR_*. */ OVS_ACTION_ATTR_SET, /* One nested OVS_KEY_ATTR_*. */ OVS_ACTION_ATTR_PUSH_VLAN, /* struct ovs_action_push_vlan. */ OVS_ACTION_ATTR_POP_VLAN, /* No argument. */ OVS_ACTION_ATTR_SAMPLE, /* Nested OVS_SAMPLE_ATTR_*. */ OVS_ACTION_ATTR_RECIRC, /* u32 recirc_id. */ OVS_ACTION_ATTR_HASH, /* struct ovs_action_hash. */ OVS_ACTION_ATTR_PUSH_MPLS, /* struct ovs_action_push_mpls. */ OVS_ACTION_ATTR_POP_MPLS, /* __be16 ethertype. */ OVS_ACTION_ATTR_SET_MASKED, /* One nested OVS_KEY_ATTR_* including * data immediately followed by a mask. * The data must be zero for the unmasked * bits. */ OVS_ACTION_ATTR_CT, /* Nested OVS_CT_ATTR_* . */ OVS_ACTION_ATTR_TRUNC, /* u32 struct ovs_action_trunc. */ OVS_ACTION_ATTR_PUSH_ETH, /* struct ovs_action_push_eth. */ OVS_ACTION_ATTR_POP_ETH, /* No argument. */ OVS_ACTION_ATTR_CT_CLEAR, /* No argument. */ OVS_ACTION_ATTR_PUSH_NSH, /* Nested OVS_NSH_KEY_ATTR_*. */ OVS_ACTION_ATTR_POP_NSH, /* No argument. */ OVS_ACTION_ATTR_METER, /* u32 meter ID. */ OVS_ACTION_ATTR_CLONE, /* Nested OVS_CLONE_ATTR_*. */ OVS_ACTION_ATTR_CHECK_PKT_LEN, /* Nested OVS_CHECK_PKT_LEN_ATTR_*. */ OVS_ACTION_ATTR_ADD_MPLS, /* struct ovs_action_add_mpls. */ OVS_ACTION_ATTR_DEC_TTL, /* Nested OVS_DEC_TTL_ATTR_*. */ OVS_ACTION_ATTR_DROP, /* u32 error code. */ OVS_ACTION_ATTR_PSAMPLE, /* Nested OVS_PSAMPLE_ATTR_*. */ __OVS_ACTION_ATTR_MAX, /* Nothing past this will be accepted * from userspace. */ }; #define OVS_ACTION_ATTR_MAX (__OVS_ACTION_ATTR_MAX - 1) /* Meters. */ #define OVS_METER_FAMILY "ovs_meter" #define OVS_METER_MCGROUP "ovs_meter" #define OVS_METER_VERSION 0x1 enum ovs_meter_cmd { OVS_METER_CMD_UNSPEC, OVS_METER_CMD_FEATURES, /* Get features supported by the datapath. */ OVS_METER_CMD_SET, /* Add or modify a meter. */ OVS_METER_CMD_DEL, /* Delete a meter. */ OVS_METER_CMD_GET /* Get meter stats. */ }; enum ovs_meter_attr { OVS_METER_ATTR_UNSPEC, OVS_METER_ATTR_ID, /* u32 meter ID within datapath. */ OVS_METER_ATTR_KBPS, /* No argument. If set, units in kilobits * per second. Otherwise, units in * packets per second. */ OVS_METER_ATTR_STATS, /* struct ovs_flow_stats for the meter. */ OVS_METER_ATTR_BANDS, /* Nested attributes for meter bands. */ OVS_METER_ATTR_USED, /* u64 msecs last used in monotonic time. */ OVS_METER_ATTR_CLEAR, /* Flag to clear stats, used. */ OVS_METER_ATTR_MAX_METERS, /* u32 number of meters supported. */ OVS_METER_ATTR_MAX_BANDS, /* u32 max number of bands per meter. */ OVS_METER_ATTR_PAD, __OVS_METER_ATTR_MAX }; #define OVS_METER_ATTR_MAX (__OVS_METER_ATTR_MAX - 1) enum ovs_band_attr { OVS_BAND_ATTR_UNSPEC, OVS_BAND_ATTR_TYPE, /* u32 OVS_METER_BAND_TYPE_* constant. */ OVS_BAND_ATTR_RATE, /* u32 band rate in meter units (see above). */ OVS_BAND_ATTR_BURST, /* u32 burst size in meter units. */ OVS_BAND_ATTR_STATS, /* struct ovs_flow_stats for the band. */ __OVS_BAND_ATTR_MAX }; #define OVS_BAND_ATTR_MAX (__OVS_BAND_ATTR_MAX - 1) enum ovs_meter_band_type { OVS_METER_BAND_TYPE_UNSPEC, OVS_METER_BAND_TYPE_DROP, /* Drop exceeding packets. */ __OVS_METER_BAND_TYPE_MAX }; #define OVS_METER_BAND_TYPE_MAX (__OVS_METER_BAND_TYPE_MAX - 1) /* Conntrack limit */ #define OVS_CT_LIMIT_FAMILY "ovs_ct_limit" #define OVS_CT_LIMIT_MCGROUP "ovs_ct_limit" #define OVS_CT_LIMIT_VERSION 0x1 enum ovs_ct_limit_cmd { OVS_CT_LIMIT_CMD_UNSPEC, OVS_CT_LIMIT_CMD_SET, /* Add or modify ct limit. */ OVS_CT_LIMIT_CMD_DEL, /* Delete ct limit. */ OVS_CT_LIMIT_CMD_GET /* Get ct limit. */ }; enum ovs_ct_limit_attr { OVS_CT_LIMIT_ATTR_UNSPEC, OVS_CT_LIMIT_ATTR_ZONE_LIMIT, /* Nested struct ovs_zone_limit. */ __OVS_CT_LIMIT_ATTR_MAX }; #define OVS_CT_LIMIT_ATTR_MAX (__OVS_CT_LIMIT_ATTR_MAX - 1) #define OVS_ZONE_LIMIT_DEFAULT_ZONE -1 struct ovs_zone_limit { int zone_id; __u32 limit; __u32 count; }; enum ovs_dec_ttl_attr { OVS_DEC_TTL_ATTR_UNSPEC, OVS_DEC_TTL_ATTR_ACTION, /* Nested struct nlattr */ __OVS_DEC_TTL_ATTR_MAX }; #define OVS_DEC_TTL_ATTR_MAX (__OVS_DEC_TTL_ATTR_MAX - 1) #endif /* _LINUX_OPENVSWITCH_H */
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