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twx-linux/include/uapi/linux
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Wei Wang 19f6d3f3c8 net/tcp-fastopen: Add new API support 
This patch adds a new socket option, TCP_FASTOPEN_CONNECT, as an
alternative way to perform Fast Open on the active side (client). Prior
to this patch, a client needs to replace the connect() call with
sendto(MSG_FASTOPEN). This can be cumbersome for applications who want
to use Fast Open: these socket operations are often done in lower layer
libraries used by many other applications. Changing these libraries
and/or the socket call sequences are not trivial. A more convenient
approach is to perform Fast Open by simply enabling a socket option when
the socket is created w/o changing other socket calls sequence:
  s = socket()
    create a new socket
  setsockopt(s, IPPROTO_TCP, TCP_FASTOPEN_CONNECT …);
    newly introduced sockopt
    If set, new functionality described below will be used.
    Return ENOTSUPP if TFO is not supported or not enabled in the
    kernel.

  connect()
    With cookie present, return 0 immediately.
    With no cookie, initiate 3WHS with TFO cookie-request option and
    return -1 with errno = EINPROGRESS.

  write()/sendmsg()
    With cookie present, send out SYN with data and return the number of
    bytes buffered.
    With no cookie, and 3WHS not yet completed, return -1 with errno =
    EINPROGRESS.
    No MSG_FASTOPEN flag is needed.

  read()
    Return -1 with errno = EWOULDBLOCK/EAGAIN if connect() is called but
    write() is not called yet.
    Return -1 with errno = EWOULDBLOCK/EAGAIN if connection is
    established but no msg is received yet.
    Return number of bytes read if socket is established and there is
    msg received.

The new API simplifies life for applications that always perform a write()
immediately after a successful connect(). Such applications can now take
advantage of Fast Open by merely making one new setsockopt() call at the time
of creating the socket. Nothing else about the application's socket call
sequence needs to change.

Signed-off-by: Wei Wang <weiwan@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-25 14:04:38 -05:00
..
android
byteorder
caif
can
cifs
dvb [media] fix broken references on dvb/video*rst 2016-09-09 09:53:35 -03:00
genwqe
hdlc
hsi HSI: hsi_char.h: use __u32 from linux/types.h 2016-08-22 22:43:35 +02:00
iio iio: Implement counter channel type and info constants 2016-10-01 17:06:02 +01:00
isdn
mmc mmc: block: Change MMC_IOC_MAX_BYTES 2016-11-29 09:00:30 +01:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2016-12-07 19:16:46 -05:00
netfilter_arp
netfilter_bridge
netfilter_ipv4
netfilter_ipv6
nfsd
raid md/failfast: add failfast flag for md to be used by some personalities. 2016-11-22 08:58:17 -08:00
spi
sunrpc
tc_act net/sched: Introduce sample tc action 2017-01-24 13:44:28 -05:00
tc_ematch
usb usb: gadget: f_fs: Document eventfd effect on descriptor format. 2017-01-02 10:55:28 +02:00
wimax
a.out.h
acct.h
adb.h
adfs_fs.h
affs_hardblocks.h
agpgart.h
aio_abi.h
am437x-vpfe.h
apm_bios.h
arcfb.h
atalk.h
atm_eni.h
atm_he.h
atm_idt77105.h
atm_nicstar.h
atm_tcp.h
atm_zatm.h Revert "include/uapi/linux/atm_zatm.h: include linux/time.h" 2016-11-13 12:35:13 -05:00
atm.h
atmapi.h
atmarp.h
atmbr2684.h
atmclip.h
atmdev.h
atmioc.h
atmlec.h
atmmpc.h
atmppp.h
atmsap.h
atmsvc.h
audit.h Merge branch 'stable-4.10' of git://git.infradead.org/users/pcmoore/audit 2016-12-14 14:06:40 -08:00
auto_dev-ioctl.h autofs4: move linux/auto_dev-ioctl.h to uapi/linux 2016-10-11 15:06:31 -07:00
auto_fs4.h
auto_fs.h autofs: move inclusion of linux/limits.h to uapi 2016-10-11 15:06:31 -07:00
auxvec.h
ax25.h
b1lli.h
batman_adv.h batman-adv: add backbone table netlink support 2016-08-09 07:54:43 +02:00
baycom.h
bcache.h
bcm933xx_hcs.h
bfs_fs.h
binfmts.h
blkpg.h
blktrace_api.h
blkzoned.h blk-zoned: implement ioctls 2016-10-18 10:05:42 -06:00
bpf_common.h
bpf_perf_event.h bpf: introduce BPF_PROG_TYPE_PERF_EVENT program type 2016-09-02 10:46:44 -07:00
bpf.h bpf: allow option for setting bpf_l4_csum_replace from scratch 2017-01-24 14:46:06 -05:00
bpqether.h net: bpqether.h: remove if_ether.h guard 2016-11-13 00:57:53 -05:00
bsg.h
bt-bmc.h ipmi: add an Aspeed BT IPMI BMC driver 2016-09-29 19:05:06 -05:00
btrfs_tree.h
btrfs.h Btrfs: catch invalid free space trees 2016-10-03 18:52:14 +02:00
can.h can: raw: raw_setsockopt: limit number of can_filter that can be set 2016-12-07 10:45:57 +01:00
capability.h uapi: move forward declarations of internal structures 2016-08-02 17:31:41 -04:00
capi.h
cciss_defs.h
cciss_ioctl.h
cdrom.h
cec-funcs.h [media] cec.h/cec-funcs.h: don't use bool in public headers 2016-11-16 15:43:10 -02:00
cec.h [media] cec.h/cec-funcs.h: don't use bool in public headers 2016-11-16 15:43:10 -02:00
cgroupstats.h
chio.h
cm4000_cs.h
cn_proc.h
coda_psdev.h
coda.h
coff.h
connector.h
const.h
coresight-stm.h
cramfs_fs.h
cryptouser.h crypto: acomp - add asynchronous compression api 2016-10-25 11:08:30 +08:00
cuda.h
cyclades.h
cycx_cfm.h
dcbnl.h
dccp.h
devlink.h devlink: Add E-Switch inline mode control 2016-11-24 16:01:14 -05:00
dlm_device.h
dlm_netlink.h
dlm_plock.h
dlm.h
dlmconstants.h
dm-ioctl.h dm: add infrastructure for DAX support 2016-07-20 23:49:49 -04:00
dm-log-userspace.h uapi dm-log-userspace.h: use __u32, __s32, __u64 and __s64 from linux/types.h 2016-11-21 09:52:02 -05:00
dma-buf.h
dn.h
dqblk_xfs.h
edd.h
efs_fs_sb.h
elf-em.h bpf, elf: add official ELF machine define for eBPF 2016-07-20 12:37:39 -07:00
elf-fdpic.h
elf.h powerpc updates for 4.8 #2 2016-08-05 09:00:54 -04:00
elfcore.h
errno.h
errqueue.h
ethtool.h ethtool: (uapi) Add ETHTOOL_PHY_DOWNSHIFT to PHY tunables 2016-11-18 12:12:14 -05:00
eventpoll.h
fadvise.h
falloc.h vfs: add a FALLOC_FL_UNSHARE mode to fallocate to unshare a range of blocks 2016-10-03 09:11:14 -07:00
fanotify.h
fb.h
fcntl.h
fd.h
fdreg.h
fib_rules.h net: core: add UID to flows, rules, and routes 2016-11-04 14:45:23 -04:00
fiemap.h
filter.h
firewire-cdev.h
firewire-constants.h
flat.h
fou.h
fs.h This merge request includes the dax-4.0-iomap-pmd branch which is 2016-12-14 09:17:42 -08:00
fsl_hypervisor.h
fuse.h fuse: Add posix ACL support 2016-10-01 07:32:32 +02:00
futex.h
gameport.h
gen_stats.h
genetlink.h genetlink: use idr to track families 2016-10-27 16:16:09 -04:00
gfs2_ondisk.h
gigaset_dev.h
gpio.h
gsmmux.h
gtp.h
hash_info.h
hdlc.h
hdlcdrv.h
hdreg.h
hid.h
hiddev.h
hidraw.h
hpet.h
hsr_netlink.h
hw_breakpoint.h hw_breakpoint: Allow watchpoint of length 3,5,6 and 7 2016-11-18 17:23:17 +00:00
hyperv.h
hysdn_if.h
i2c-dev.h
i2c.h
i2o-dev.h
i8k.h
icmp.h
icmpv6.h
if_addr.h
if_addrlabel.h
if_alg.h
if_arcnet.h
if_arp.h
if_bonding.h
if_bridge.h net: bridge: export vlan flags with the stats 2016-08-18 23:18:42 -07:00
if_cablemodem.h
if_eql.h
if_ether.h ethernet: use net core MTU range checking in more drivers 2016-10-20 14:51:08 -04:00
if_fc.h
if_fddi.h
if_frad.h
if_hippi.h
if_infiniband.h
if_link.h bridge: multicast to unicast 2017-01-24 12:39:52 -05:00
if_ltalk.h
if_macsec.h macsec: limit ICV length to 16 octets 2016-07-25 10:55:39 -07:00
if_packet.h
if_phonet.h
if_plip.h
if_ppp.h
if_pppol2tp.h net: l2tp: deprecate PPPOL2TP_MSG_* in favour of L2TP_MSG_* 2016-12-10 23:29:11 -05:00
if_pppox.h include/uapi/linux/if_pppox.h: include linux/in.h and linux/in6.h 2016-08-22 16:25:15 -07:00
if_slip.h
if_team.h
if_tun.h
if_tunnel.h Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2016-09-25 23:34:19 +02:00
if_vlan.h
if_x25.h
if.h uapi glibc compat: fix outer guard of net device flags enum 2016-12-06 10:43:32 -05:00
igmp.h bridge: sparse fixes in br_ip6_multicast_alloc_query() 2017-01-17 15:22:05 -05:00
ila.h
in6.h ipv6: add IPV6_RECVFRAGSIZE cmsg 2016-11-03 15:41:11 -04:00
in_route.h
in.h ipv4: add IP_RECVFRAGSIZE cmsg 2016-11-03 15:41:11 -04:00
inet_diag.h net: ip, diag -- Add diag interface for raw sockets 2016-10-23 19:35:24 -04:00
inotify.h
input-event-codes.h Input: change KEY_DATA from 0x275 to 0x277 2016-11-30 08:59:26 -08:00
input.h HID: intel-ish-hid: ISH HID client driver 2016-08-17 11:13:08 +02:00
ioctl.h
ip6_tunnel.h
ip_vs.h
ip.h
ipc.h
ipmi_msgdefs.h
ipmi.h
ipsec.h
ipv6_route.h
ipv6.h ipv6 addrconf: Implemented enhanced DAD (RFC7527) 2016-12-03 23:21:37 -05:00
ipx.h include/uapi/linux/ipx.h: fix conflicting defitions with glibc netipx/ipx.h 2016-08-22 16:25:15 -07:00
irda.h
irqnr.h
isdn_divertif.h
isdn_ppp.h
isdn.h
isdnif.h
iso_fs.h
ivtv.h
ivtvfb.h
ixjuser.h
jffs2.h
joystick.h
Kbuild net: Introduce psample, a new genetlink channel for packet sampling 2017-01-24 13:44:28 -05:00
kcm.h
kcmp.h
kcov.h
kd.h
kdev_t.h
kernel-page-flags.h
kernel.h
kernelcapi.h
kexec.h
keyboard.h
keyctl.h
kfd_ioctl.h
kvm_para.h
kvm.h Small release, the most interesting stuff is x86 nested virt improvements. 2016-12-13 15:47:02 -08:00
l2tp.h net: l2tp: export debug flags to UAPI 2016-12-10 23:29:11 -05:00
libc-compat.h include/uapi/linux/ipx.h: fix conflicting defitions with glibc netipx/ipx.h 2016-08-22 16:25:15 -07:00
lightnvm.h
limits.h
lirc.h
llc.h
loop.h
lp.h
lwtunnel.h bpf: BPF for lightweight tunnel infrastructure 2016-12-02 10:51:49 -05:00
magic.h x86/intel_rdt: Add basic resctrl filesystem support 2016-10-30 19:10:14 -06:00
major.h docs: fix locations of several documents that got moved 2016-10-24 08:12:35 -02:00
map_to_7segment.h
matroxfb.h
mdio.h
media-bus-format.h [media] media: Add 1X16 16-bit raw bayer media bus code definitions 2016-09-09 11:16:36 -03:00
media.h [media] v4l2-core: Add support for touch devices 2016-08-23 16:28:04 -03:00
mei.h
membarrier.h
memfd.h
mempolicy.h
meye.h
mic_common.h
mic_ioctl.h
mii.h net: Add mask for Control register 10Mbps speed 2016-08-12 16:57:20 -07:00
minix_fs.h
mman.h
mmtimer.h
module.h
mpls_iptunnel.h
mpls.h mpls: Packet stats 2017-01-17 14:38:43 -05:00
mqueue.h
mroute6.h
mroute.h
msdos_fs.h
msg.h
mtio.h
n_r3964.h
nbd.h nbd: move multi-connection bit to unused value 2016-11-22 13:11:55 -07:00
ncp_fs.h
ncp_mount.h
ncp_no.h
ncp.h
ndctl.h libnvdimm: fix SMART Health DSM payload definition 2016-08-15 11:07:21 -07:00
neighbour.h
net_dropmon.h
net_namespace.h
net_tstamp.h tcp: SOF_TIMESTAMPING_OPT_STATS option for SO_TIMESTAMPING 2016-11-30 10:04:25 -05:00
net.h
netconf.h
netdevice.h
netfilter_arp.h
netfilter_bridge.h
netfilter_decnet.h
netfilter_ipv4.h
netfilter_ipv6.h
netfilter.h netfilter: deprecate NF_STOP 2016-11-03 10:56:17 +01:00
netlink_diag.h
netlink.h smc: netlink interface for SMC sockets 2017-01-09 16:07:41 -05:00
netrom.h
nfc.h
nfs2.h
nfs3.h
nfs4_mount.h
nfs4.h nfs: add a new NFS4_OPEN_RESULT_MAY_NOTIFY_LOCK constant 2016-09-26 15:20:37 -04:00
nfs_fs.h
nfs_idmap.h
nfs_mount.h
nfs.h
nfsacl.h
nilfs2_api.h nilfs2: move ioctl interface and disk layout to uapi separately 2016-08-02 19:35:21 -04:00
nilfs2_ondisk.h nilfs2: move ioctl interface and disk layout to uapi separately 2016-08-02 19:35:21 -04:00
nl80211.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-01-17 15:19:37 -05:00
nsfs.h nsfs: add ioctl to get a parent namespace 2016-09-22 19:59:41 -05:00
nubus.h
nvme_ioctl.h
nvram.h
omap3isp.h
omapfb.h
oom.h
openvswitch.h openvswitch: add Ethernet push and pop actions 2016-11-13 00:51:02 -05:00
packet_diag.h
param.h
parport.h
patchkey.h
pci_regs.h PCI: Move config space size macros to pci_regs.h 2016-12-12 10:05:22 -06:00
pci.h
perf_event.h
personality.h
pfkeyv2.h
pg.h
phantom.h
phonet.h
pkt_cls.h net sched actions: Add support for user cookies 2017-01-25 12:37:04 -05:00
pkt_sched.h net_sched: sch_fq: account for schedule/timers drifts 2016-09-23 07:19:06 -04:00
pktcdvd.h
pmu.h
poll.h
posix_acl_xattr.h posix_acl: uapi header split 2016-09-27 21:52:00 -04:00
posix_acl.h posix_acl: uapi header split 2016-09-27 21:52:00 -04:00
posix_types.h
ppdev.h
ppp_defs.h
ppp-comp.h
ppp-ioctl.h
pps.h
pr.h
prctl.h
psample.h net: Introduce psample, a new genetlink channel for packet sampling 2017-01-24 13:44:28 -05:00
psci.h
ptp_clock.h
ptrace.h
qnx4_fs.h
qnxtypes.h
qrtr.h
quota.h
radeonfb.h
random.h
raw.h
rds.h RDS: add receive message trace used by application 2017-01-02 14:02:59 -08:00
reboot.h
reiserfs_fs.h
reiserfs_xattr.h
resource.h
rfkill.h
rio_cm_cdev.h rapidio: add RapidIO channelized messaging driver 2016-08-02 19:35:31 -04:00
rio_mport_cdev.h
romfs_fs.h
rose.h
route.h
rtc.h
rtnetlink.h ipmr, ip6mr: add RTNH_F_UNRESOLVED flag to unresolved cache entries 2017-01-03 10:04:31 -05:00
scc.h
sched.h
scif_ioctl.h
screen_info.h
sctp.h sctp: implement sender-side procedures for SSN Reset Request Parameter 2017-01-18 14:55:11 -05:00
sdla.h
seccomp.h
securebits.h
seg6_genl.h ipv6: sr: add code base for control plane support of SR-IPv6 2016-11-09 20:40:06 -05:00
seg6_hmac.h ipv6: sr: add missing Kbuild export for header files 2017-01-16 14:47:21 -05:00
seg6_iptunnel.h ipv6: sr: add missing Kbuild export for header files 2017-01-16 14:47:21 -05:00
seg6.h ipv6: sr: add missing Kbuild export for header files 2017-01-16 14:47:21 -05:00
selinux_netlink.h
sem.h
serial_core.h
serial_reg.h serial: 8250: Set Altera 16550 TX FIFO Threshold 2016-09-27 12:55:50 +02:00
serial.h
serio.h
shm.h
signal.h
signalfd.h
smc_diag.h smc: netlink interface for SMC sockets 2017-01-09 16:07:41 -05:00
smc.h smc: establish pnet table management 2017-01-09 16:07:38 -05:00
smiapp.h
snmp.h tcp: md5: add LINUX_MIB_TCPMD5FAILURE counter 2016-08-25 16:43:11 -07:00
sock_diag.h
socket.h
sockios.h driver: tun: Use new macro SOCK_IOC_TYPE instead of literal number 0x89 2016-10-31 10:56:47 -04:00
sonet.h
sonypi.h
sound.h
soundcard.h
stat.h
stddef.h
stm.h
string.h
suspend_ioctls.h
swab.h
sync_file.h dma-buf/sync_file: fix documentation error 2016-09-20 18:12:38 +05:30
synclink.h
sysctl.h uapi: move forward declarations of internal structures 2016-08-02 17:31:41 -04:00
sysinfo.h
target_core_user.h
taskstats.h
tcp_metrics.h
tcp.h net/tcp-fastopen: Add new API support 2017-01-25 14:04:38 -05:00
telephony.h
termios.h
thermal.h
time.h
timerfd.h timerfd: export defines to userspace 2017-01-10 18:31:55 -08:00
times.h
timex.h
tiocl.h
tipc_config.h
tipc_netlink.h tipc: add the ability to get UDP options via netlink 2016-08-26 21:38:41 -07:00
tipc.h tipc: make replicast a user selectable option 2017-01-20 12:10:17 -05:00
toshiba.h
tty_flags.h
tty.h
types.h linux/types.h: enable endian checks for all sparse builds 2016-12-16 00:13:39 +02:00
udf_fs_i.h
udp.h
uhid.h
uinput.h
uio.h
uleds.h leds: Introduce userspace LED class driver 2016-11-22 12:07:02 +01:00
ultrasound.h
un.h
unistd.h
unix_diag.h
usbdevice_fs.h
usbip.h
userfaultfd.h
userio.h
utime.h
utsname.h
uuid.h
uvcvideo.h
v4l2-common.h
v4l2-controls.h [media] v4l: ctrls: Add deinterlacing mode control 2016-11-16 16:16:08 -02:00
v4l2-dv-timings.h [media] v4l2-dv-timings: add VICs and picture aspect ratio 2016-11-16 15:13:18 -02:00
v4l2-mediabus.h
v4l2-subdev.h
veth.h
vfio.h vfio: Define device_api strings 2016-11-17 08:33:20 -07:00
vhost.h vhost: remove unused feature bit 2016-12-16 00:13:38 +02:00
videodev2.h [media] v4l: Add 16-bit raw bayer pixel formats 2016-11-23 20:04:22 -02:00
virtio_9p.h
virtio_balloon.h
virtio_blk.h
virtio_config.h virtio: new feature to detect IOMMU device quirk 2016-08-01 21:44:52 +03:00
virtio_console.h
virtio_crypto.h crypto: add virtio-crypto driver 2016-12-16 00:13:32 +02:00
virtio_gpu.h
virtio_ids.h crypto: add virtio-crypto driver 2016-12-16 00:13:32 +02:00
virtio_input.h
virtio_net.h
virtio_pci.h
virtio_ring.h
virtio_rng.h
virtio_scsi.h
virtio_types.h linux: drop __bitwise__ everywhere 2016-12-16 00:13:41 +02:00
virtio_vsock.h virtio-vsock: fix include guard typo 2016-08-09 13:42:38 +03:00
vm_sockets.h
vt.h
vtpm_proxy.h tpm, tpm_vtpm_proxy: add kdoc comments for VTPM_PROXY_IOC_NEW_DEV 2016-11-28 01:31:31 +02:00
wait.h
wanrouter.h
watchdog.h
wil6210_uapi.h
wimax.h
wireless.h
x25.h
xattr.h
xfrm.h xfrm: fix header file comment reference to struct xfrm_replay_state_esn 2016-09-09 09:10:07 +02:00
xilinx-v4l2-controls.h
zorro_ids.h
zorro.h