OpenCloudOS-Kernel/include/uapi/linux
James Prestwood fcdb44d08a net: arp: introduce arp_evict_nocarrier sysctl parameter
This change introduces a new sysctl parameter, arp_evict_nocarrier.
When set (default) the ARP cache will be cleared on a NOCARRIER event.
This new option has been defaulted to '1' which maintains existing
behavior.

Clearing the ARP cache on NOCARRIER is relatively new, introduced by:

commit 859bd2ef1f
Author: David Ahern <dsahern@gmail.com>
Date:   Thu Oct 11 20:33:49 2018 -0700

    net: Evict neighbor entries on carrier down

The reason for this changes is to prevent the ARP cache from being
cleared when a wireless device roams. Specifically for wireless roams
the ARP cache should not be cleared because the underlying network has not
changed. Clearing the ARP cache in this case can introduce significant
delays sending out packets after a roam.

A user reported such a situation here:

https://lore.kernel.org/linux-wireless/CACsRnHWa47zpx3D1oDq9JYnZWniS8yBwW1h0WAVZ6vrbwL_S0w@mail.gmail.com/

After some investigation it was found that the kernel was holding onto
packets until ARP finished which resulted in this 1 second delay. It
was also found that the first ARP who-has was never responded to,
which is actually what caues the delay. This change is more or less
working around this behavior, but again, there is no reason to clear
the cache on a roam anyways.

As for the unanswered who-has, we know the packet made it OTA since
it was seen while monitoring. Why it never received a response is
unknown. In any case, since this is a problem on the AP side of things
all that can be done is to work around it until it is solved.

Some background on testing/reproducing the packet delay:

Hardware:
 - 2 access points configured for Fast BSS Transition (Though I don't
   see why regular reassociation wouldn't have the same behavior)
 - Wireless station running IWD as supplicant
 - A device on network able to respond to pings (I used one of the APs)

Procedure:
 - Connect to first AP
 - Ping once to establish an ARP entry
 - Start a tcpdump
 - Roam to second AP
 - Wait for operstate UP event, and note the timestamp
 - Start pinging

Results:

Below is the tcpdump after UP. It was recorded the interface went UP at
10:42:01.432875.

10:42:01.461871 ARP, Request who-has 192.168.254.1 tell 192.168.254.71, length 28
10:42:02.497976 ARP, Request who-has 192.168.254.1 tell 192.168.254.71, length 28
10:42:02.507162 ARP, Reply 192.168.254.1 is-at ac:86:74:55:b0:20, length 46
10:42:02.507185 IP 192.168.254.71 > 192.168.254.1: ICMP echo request, id 52792, seq 1, length 64
10:42:02.507205 IP 192.168.254.71 > 192.168.254.1: ICMP echo request, id 52792, seq 2, length 64
10:42:02.507212 IP 192.168.254.71 > 192.168.254.1: ICMP echo request, id 52792, seq 3, length 64
10:42:02.507219 IP 192.168.254.71 > 192.168.254.1: ICMP echo request, id 52792, seq 4, length 64
10:42:02.507225 IP 192.168.254.71 > 192.168.254.1: ICMP echo request, id 52792, seq 5, length 64
10:42:02.507232 IP 192.168.254.71 > 192.168.254.1: ICMP echo request, id 52792, seq 6, length 64
10:42:02.515373 IP 192.168.254.1 > 192.168.254.71: ICMP echo reply, id 52792, seq 1, length 64
10:42:02.521399 IP 192.168.254.1 > 192.168.254.71: ICMP echo reply, id 52792, seq 2, length 64
10:42:02.521612 IP 192.168.254.1 > 192.168.254.71: ICMP echo reply, id 52792, seq 3, length 64
10:42:02.521941 IP 192.168.254.1 > 192.168.254.71: ICMP echo reply, id 52792, seq 4, length 64
10:42:02.522419 IP 192.168.254.1 > 192.168.254.71: ICMP echo reply, id 52792, seq 5, length 64
10:42:02.523085 IP 192.168.254.1 > 192.168.254.71: ICMP echo reply, id 52792, seq 6, length 64

You can see the first ARP who-has went out very quickly after UP, but
was never responded to. Nearly a second later the kernel retries and
gets a response. Only then do the ping packets go out. If an ARP entry
is manually added prior to UP (after the cache is cleared) it is seen
that the first ping is never responded to, so its not only an issue with
ARP but with data packets in general.

As mentioned prior, the wireless interface was also monitored to verify
the ping/ARP packet made it OTA which was observed to be true.

Signed-off-by: James Prestwood <prestwoj@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-11-01 19:57:14 -07:00
..
android binder: fix freeze race 2021-09-14 08:46:08 +02:00
byteorder
caif net: caif: drop duplicate words in comments 2020-07-15 20:34:11 -07:00
can can: netlink: add interface for CAN-FD Transmitter Delay Compensation (TDC) 2021-10-24 16:24:29 +02:00
cifs cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
dvb Revert "media: dvb header files: move some headers to staging" 2021-08-23 09:49:09 -07:00
genwqe
hdlc wan/hdlc_x25: make lapb params configurable 2020-01-21 11:41:36 +01:00
hsi
iio iio: buffer: add ioctl() to support opening extra buffers for IIO device 2021-03-11 20:47:05 +00:00
isdn isdn/capi: check message length in capi_write() 2019-09-07 17:44:25 +02:00
misc bcm-vk: add bcm_vk UAPI 2021-01-25 18:44:44 +01:00
mmc mmc: fix compilation of user API 2020-05-28 11:22:14 +02:00
netfilter netfilter: nft_payload: support for inner header matching / mangling 2021-11-01 09:31:03 +01:00
netfilter_arp net, uapi: fix -Wpointer-arith warnings 2019-10-04 14:25:17 -07:00
netfilter_bridge uapi: revert flexible-array conversions 2020-05-04 11:30:15 -05:00
netfilter_ipv4 net, uapi: fix -Wpointer-arith warnings 2019-10-04 14:25:17 -07:00
netfilter_ipv6 net, uapi: fix -Wpointer-arith warnings 2019-10-04 14:25:17 -07:00
nfsd NFSD: remove vanity comments 2021-08-17 11:47:53 -04:00
raid raid: md_p.h: drop duplicated word in a comment 2020-07-21 22:05:32 -07:00
sched sched/uclamp: Allow to reset a task uclamp constraint value 2020-11-19 11:25:47 +01:00
spi spi: Add SPI_NO_TX/RX support 2020-12-28 14:21:31 +00:00
sunrpc
surface_aggregator platform/surface: aggregator_cdev: Allow enabling of events from user-space 2021-06-16 17:47:53 +02:00
tc_act net/sched: act_skbmod: Add SKBMOD_F_ECN option support 2021-07-28 13:19:31 +01:00
tc_ematch
usb usb: webcam: Invalid size of Processing Unit Descriptor 2021-03-18 09:02:27 +01:00
a.out.h
acct.h acct: stop using get_seconds() 2019-12-18 18:07:31 +01:00
acrn.h virt: acrn: Introduce irqfd 2021-02-09 10:58:19 +01:00
adb.h
adfs_fs.h
affs_hardblocks.h
agpgart.h
aio_abi.h
am437x-vpfe.h
amt.h amt: add control plane of amt interface 2021-11-01 13:36:08 +00:00
apm_bios.h
arcfb.h
arm_sdei.h
aspeed-lpc-ctrl.h
aspeed-p2a-ctrl.h
atalk.h
atm.h
atm_eni.h
atm_he.h
atm_idt77105.h
atm_nicstar.h
atm_tcp.h
atm_zatm.h
atmapi.h
atmarp.h
atmbr2684.h
atmclip.h
atmdev.h
atmioc.h atm: Replace HTTP links with HTTPS ones 2020-07-13 17:01:44 -07:00
atmlec.h
atmmpc.h
atmppp.h
atmsap.h
atmsvc.h
audit.h audit: remove trailing spaces and tabs 2021-06-10 20:59:05 -04:00
auto_dev-ioctl.h autofs: fix doubled word 2020-08-12 10:58:00 -07:00
auto_fs.h
auto_fs4.h
auxvec.h uapi/auxvec: Define the aux vector AT_MINSIGSTKSZ 2021-05-19 11:40:15 +02:00
ax25.h
batadv_packet.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
batman_adv.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
baycom.h
bcache.h bcache: introduce BCH_FEATURE_INCOMPAT_LOG_LARGE_BUCKET_SIZE for large bucket 2021-01-09 09:21:03 -07:00
bcm933xx_hcs.h
bfs_fs.h
binfmts.h binfmt_misc: pass binfmt_misc flags to the interpreter 2021-02-15 18:28:30 +01:00
blkpg.h block: update a few comments in uapi/linux/blkpg.h 2021-04-02 11:18:30 -06:00
blktrace_api.h
blkzoned.h block: fix uapi blkzoned.h comments 2020-10-09 12:47:02 -06:00
bpf.h bpf: Clarify data_len param in bpf_snprintf and bpf_seq_printf comments 2021-09-17 14:02:06 -07:00
bpf_common.h
bpf_perf_event.h
bpfilter.h
bpqether.h
bsg.h
bt-bmc.h
btf.h bpf: Support for new btf kind BTF_KIND_TAG 2021-09-14 18:45:52 -07:00
btrfs.h btrfs: initial fsverity support 2021-08-23 13:19:09 +02:00
btrfs_tree.h btrfs: initial fsverity support 2021-08-23 13:19:09 +02:00
can.h can: uapi: introduce CANFD_FDF flag for mixed content in struct canfd_frame 2021-05-27 09:42:21 +02:00
capability.h exit/bdflush: Remove the deprecated bdflush system call 2021-07-12 15:17:47 -05:00
capi.h
cciss_defs.h
cciss_ioctl.h
ccs.h media: v4l: uapi: ccs: Add CCS controls for shading correction 2021-01-12 17:31:14 +01:00
cdrom.h block: scsi_ioctl: Avoid the use of one-element arrays 2020-10-02 17:58:52 -06:00
cec-funcs.h media: uapi/linux/cec-funcs.h: set delay to 1 if unnused 2021-06-02 14:08:09 +02:00
cec.h media: include/uapi/linux/cec.h: typo: SATERDAY -> SATURDAY 2021-07-12 09:16:29 +02:00
cfm_bridge.h bridge: cfm: Kernel space implementation of CFM. CCM frame RX added. 2020-10-29 18:39:43 -07:00
cgroupstats.h
chio.h scsi: ch: add include guard to chio.h 2019-10-09 22:31:14 -04:00
close_range.h fs, close_range: add flag CLOSE_RANGE_CLOEXEC 2020-12-04 12:06:15 +01:00
cm4000_cs.h
cn_proc.h
coda.h
coff.h linux/coff.h: add include guard 2019-09-25 17:51:39 -07:00
connector.h
const.h uapi: move constants from <linux/kernel.h> to <linux/const.h> 2020-12-15 12:13:36 -08:00
coresight-stm.h coresight: stm: Support marked packet 2020-09-17 18:46:04 +02:00
cramfs_fs.h
cryptouser.h
cuda.h
cxl_mem.h cxl/uapi: Fix defined but not used warnings 2021-09-07 11:39:01 -07:00
cycx_cfm.h
dcbnl.h net: Fix misspellings of "configure" and "configuration" 2019-10-28 13:41:01 -07:00
dccp.h
devlink.h devlink: report maximum number of snapshots with regions 2021-10-01 14:28:55 +01:00
dlm.h
dlm_device.h uapi: revert flexible-array conversions 2020-05-04 11:30:15 -05:00
dlm_netlink.h
dlm_plock.h
dlmconstants.h
dm-ioctl.h dm ima: measure data on table load 2021-08-10 13:32:40 -04:00
dm-log-userspace.h
dma-buf.h dma-buf: Document DMA_BUF_IOCTL_SYNC (v3) 2021-06-17 21:46:37 +02:00
dma-heap.h dma-buf: heaps: Use _IOCTL_ for userspace IOCTL identifier 2019-12-17 21:37:40 +05:30
dn.h
dns_resolver.h
dqblk_xfs.h quota: report warning limits for realtime space quotas 2021-03-18 17:03:54 +01:00
edd.h
efs_fs_sb.h
elf-em.h
elf-fdpic.h
elf.h arm64: Introduce prctl(PR_PAC_{SET,GET}_ENABLED_KEYS) 2021-04-13 17:31:44 +01:00
errno.h
errqueue.h icmp: support rfc 4884 2020-07-19 19:20:22 -07:00
erspan.h
ethtool.h ethtool: Add transceiver module extended state 2021-10-06 17:47:50 -07:00
ethtool_netlink.h ethtool: Add ability to control transceiver modules' power mode 2021-10-06 17:47:49 -07:00
eventpoll.h
f2fs.h f2fs: add F2FS_IOC_DECOMPRESS_FILE and F2FS_IOC_COMPRESS_FILE 2020-12-03 00:12:08 -08:00
fadvise.h
falloc.h
fanotify.h fanotify: add pidfd support to the fanotify API 2021-08-10 13:08:49 +02:00
fb.h drm/fb-helper: Fix vt restore 2020-06-24 21:34:11 +02:00
fcntl.h vfs: add faccessat2 syscall 2020-05-14 16:44:25 +02:00
fd.h floppy: cleanups: remove trailing whitespaces 2021-04-20 08:59:03 -06:00
fdreg.h floppy: add references to 82077's extra registers 2020-05-12 19:34:52 +03:00
fib_rules.h
fiemap.h A lot of bug fixes and cleanups for ext4, including: 2020-06-05 16:19:28 -07:00
filter.h
firewire-cdev.h include/linux: remove repeated words 2021-02-26 09:41:03 -08:00
firewire-constants.h
fou.h
fpga-dfl.h fpga: dfl: afu: add AFU interrupt support 2020-07-06 21:37:08 -07:00
fs.h block: add ioctl to read the disk sequence number 2021-08-02 13:37:28 -06:00
fscrypt.h fscrypt: remove kernel-internal constants from UAPI header 2020-11-16 11:41:12 -08:00
fsi.h
fsl_hypervisor.h
fsl_mc.h bus: fsl-mc: add fsl-mc userspace support 2021-01-27 15:13:52 +01:00
fsmap.h
fsverity.h fs-verity: support reading signature with ioctl 2021-02-07 14:51:19 -08:00
fuse.h virtiofs: propagate sync() to file server 2021-06-22 09:15:35 +02:00
futex.h futex: Provide FUTEX_LOCK_PI2 to support clock selection 2021-06-22 16:42:09 +02:00
gameport.h
gen_stats.h net_sched: add TCA_STATS_PKT64 attribute 2019-11-05 18:20:55 -08:00
genetlink.h genetlink: allow dumping command-specific policy 2020-10-03 14:18:29 -07:00
gfs2_ondisk.h gfs2: Add trusted xattr support 2021-02-08 13:01:24 +01:00
gpio.h gpio: uapi: use the preferred SPDX license identifier 2021-02-15 11:43:33 +01:00
gsmmux.h tty: n_gsm: add ioctl to map serial device to mux'ed tty 2019-09-04 12:43:54 +02:00
gtp.h Revert "GTP: add support for flow based tunneling API" 2021-02-04 09:29:57 -08:00
hash_info.h
hdlc.h
hdlcdrv.h
hdreg.h
hid.h
hiddev.h
hidraw.h HID: hidraw: Add additional hidraw input/output report ioctls. 2020-11-27 15:48:31 +01:00
hpet.h
hsr_netlink.h hsr: enhance netlink socket interface to support PRP 2020-07-27 12:20:40 -07:00
hw_breakpoint.h
hyperv.h hyper-v: Replace uuid.h with types.h 2021-10-06 12:05:51 +00:00
i2c-dev.h i2c: remove licence boilerplate from i2c-dev UAPI header 2021-01-22 09:58:57 +01:00
i2c.h i2c: uapi: add macro to describe support for all SMBus transfers 2021-01-22 09:59:00 +01:00
i2o-dev.h
i8k.h
icmp.h icmp: fix lib conflict with trinity 2021-06-03 15:31:34 -07:00
icmpv6.h ICMPV6: add support for RFC 8335 PROBE 2021-03-30 13:29:39 -07:00
idxd.h dmaengine: idxd: fix setting up priv mode for dwq 2021-08-29 19:14:20 +05:30
if.h net: Add IF_OPER_TESTING 2020-04-20 12:43:24 -07:00
if_addr.h
if_addrlabel.h
if_alg.h crypto: af_alg - avoid undefined behavior accessing salg_name 2020-11-06 14:29:11 +11:00
if_arcnet.h uapi: revert flexible-array conversions 2020-05-04 11:30:15 -05:00
if_arp.h mctp: Add initial driver infrastructure 2021-07-29 15:06:50 +01:00
if_bonding.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
if_bridge.h net: bridge: vlan: convert mcast router global option to per-vlan entry 2021-08-20 15:00:35 +01:00
if_cablemodem.h
if_eql.h
if_ether.h ether: add EtherType for proprietary Realtek protocols 2021-10-18 14:02:55 +01:00
if_fc.h
if_fddi.h FDDI: if_fddi.h: Update my e-mail address 2021-03-10 12:45:16 -08:00
if_hippi.h
if_infiniband.h
if_link.h ipv6: add IFLA_INET6_RA_MTU to expose mtu value 2021-08-27 17:29:18 -07:00
if_ltalk.h
if_macsec.h macsec: Netlink support of XPN cipher suites (IEEE 802.1AEbw) 2020-03-16 01:42:31 -07:00
if_packet.h net/packet: make packet_fanout.arr size configurable up to 64K 2020-11-09 16:41:40 -08:00
if_phonet.h
if_plip.h
if_ppp.h
if_pppol2tp.h l2tp: remove tunnel and session debug flags field 2020-08-22 12:44:37 -07:00
if_pppox.h
if_slip.h
if_team.h
if_tun.h
if_tunnel.h Revert "GTP: add support for flow based tunneling API" 2021-02-04 09:29:57 -08:00
if_vlan.h
if_x25.h docs: networking: convert x25-iface.txt to ReST 2020-05-01 12:24:40 -07:00
if_xdp.h xsk: Add new statistics 2020-07-13 15:32:56 -07:00
ife.h
igmp.h
ila.h
in.h net/ipv4/ipv6: Replace one-element arraya with flexible-array members 2021-08-05 11:46:42 +01:00
in6.h ipv6: ioam: Data plane support for Pre-allocated Trace 2021-07-21 08:14:33 -07:00
in_route.h
inet_diag.h ip: expose inet sockopts through inet_diag 2020-09-03 15:17:28 -07:00
inotify.h
input-event-codes.h HID: hid-input: add mapping for emoji picker key 2021-05-05 14:31:05 +02:00
input.h include/linux: remove repeated words 2021-02-26 09:41:03 -08:00
io_uring.h io-wq: provide IO_WQ_* constants for IORING_REGISTER_IOWQ_MAX_WORKERS arg items 2021-09-13 10:38:13 -06:00
ioam6.h ipv6: ioam: Support for IOAM injection with lwtunnels 2021-07-21 08:14:33 -07:00
ioam6_genl.h ipv6: ioam: IOAM Generic Netlink API 2021-07-21 08:14:33 -07:00
ioam6_iptunnel.h ipv6: ioam: Add support for the ip6ip6 encapsulation 2021-10-04 12:53:35 +01:00
ioctl.h
iommu.h iommu/vt-d: Enable write protect propagation from guest 2021-03-18 11:42:46 +01:00
ioprio.h block: fix default IO priority handling 2021-08-18 07:23:15 -06:00
ip.h net: arp: introduce arp_evict_nocarrier sysctl parameter 2021-11-01 19:57:14 -07:00
ip6_tunnel.h
ip_vs.h
ipc.h
ipmi.h
ipmi_bmc.h
ipmi_msgdefs.h ipmi:msghandler: retry to get device id on an error 2020-09-15 09:57:45 -05:00
ipsec.h
ipv6.h ipv6: ioam: Data plane support for Pre-allocated Trace 2021-07-21 08:14:33 -07:00
ipv6_route.h
irqnr.h
iso_fs.h
isst_if.h platform/x86: ISST: drop a duplicated word in isst_if.h 2020-07-27 16:34:12 +03:00
ivtv.h
ivtvfb.h
jffs2.h
joystick.h
kcm.h
kcmp.h
kcov.h kcov: fix struct layout for kcov_remote_arg 2020-01-04 13:55:09 -08:00
kd.h console: Delete unused con_font_copy() callback implementations 2020-11-16 16:27:03 +01:00
kdev_t.h
kernel-page-flags.h
kernel.h uapi: move constants from <linux/kernel.h> to <linux/const.h> 2020-12-15 12:13:36 -08:00
kernelcapi.h
kexec.h RISC-V: Add EM_RISCV to kexec UAPI header 2021-04-26 08:25:20 -07:00
keyboard.h vt: keyboard, sort key types by their number 2020-11-04 16:43:38 +01:00
keyctl.h watch_queue: Add a key/keyring notification facility 2020-05-19 15:19:06 +01:00
kfd_ioctl.h drm/amdkfd: Allow querying SVM attributes that are clear 2021-08-06 16:12:32 -04:00
kvm.h KVM: stats: Support linear and logarithmic histogram statistics 2021-08-20 16:06:32 -04:00
kvm_para.h KVM: X86: Introduce KVM_HC_MAP_GPA_RANGE hypercall 2021-06-17 14:25:39 -04:00
l2tp.h net: l2tp: reduce log level of messages in receive path, add counter instead 2021-03-03 16:55:02 -08:00
landlock.h landlock: Enable user space to infer supported features 2021-04-22 12:22:11 -07:00
libc-compat.h
limits.h
lirc.h media: lirc: remove out of date comment 2021-05-21 15:03:50 +02:00
llc.h
loop.h loop: Add LOOP_CONFIGURE ioctl 2020-05-21 08:20:35 -06:00
lp.h
lwtunnel.h ipv6: ioam: Support for IOAM injection with lwtunnels 2021-07-21 08:14:33 -07:00
magic.h mm: introduce memfd_secret system call to create "secret" memory areas 2021-07-08 11:48:21 -07:00
major.h tty: cyclades, remove this orphan 2021-03-10 09:34:06 +01:00
map_to_7segment.h uapi: map_to_7segment: Remove licence boilerplate 2021-03-24 08:26:29 +01:00
matroxfb.h
max2175.h
mctp.h mctp: Implement extended addressing 2021-10-26 14:58:45 +01:00
mdio.h net: phy: add constants for fast retrain related register 2021-10-25 14:04:18 +01:00
media-bus-format.h media updates for v5.11-rc1 2020-12-14 11:47:37 -08:00
media.h media: uapi: Add an entity type for Image Signal Processors 2021-01-12 17:05:37 +01:00
mei.h mei: add connect with vtag ioctl 2020-08-18 15:44:44 +02:00
membarrier.h rseq/membarrier: Add MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ 2020-09-25 14:23:27 +02:00
memfd.h
mempolicy.h mm/mempolicy: add MPOL_PREFERRED_MANY for multiple preferred nodes 2021-09-03 09:58:17 -07:00
meye.h
mii.h ethtool: provide UAPI for PHY master/slave configuration. 2020-05-06 17:45:45 -07:00
minix_fs.h
mman.h powerpc/8xx: Support 16k hugepages with 4k pages 2020-09-15 22:13:31 +10:00
mmtimer.h
module.h
mount.h move_mount: allow to add a mount into an existing group 2021-07-26 14:45:18 +02:00
mpls.h
mpls_iptunnel.h
mptcp.h mptcp: add MPTCP_SUBFLOW_ADDRS getsockopt support 2021-09-18 14:20:01 +01:00
mqueue.h
mroute.h ipmr: Add high byte of VIF ID to igmpmsg 2020-09-10 12:25:51 -07:00
mroute6.h uapi: move constants from <linux/kernel.h> to <linux/const.h> 2020-12-15 12:13:36 -08:00
mrp_bridge.h net: mrp: move struct definitions out of uapi 2021-01-23 12:38:42 -08:00
msdos_fs.h
msg.h y2038: uapi: change __kernel_time_t to __kernel_old_time_t 2019-11-15 14:38:29 +01:00
mtio.h
nbd-netlink.h nbd: provide a way for userspace processes to identify device backends 2021-06-30 15:34:04 -06:00
nbd.h
ncsi.h
ndctl.h ACPI: NFIT: Define runtime firmware activation commands 2020-07-25 19:34:47 -06:00
neighbour.h net, neigh: Add NTF_MANAGED flag for managed neighbor entries 2021-10-12 11:27:47 +01:00
net.h Revert "net: add pf_family_names[] for protocol family" 2021-06-18 13:02:45 -07:00
net_dropmon.h uapi: revert flexible-array conversions 2020-05-04 11:30:15 -05:00
net_namespace.h
net_tstamp.h net: sock: extend SO_TIMESTAMPING for PHC binding 2021-07-01 13:08:18 -07:00
netconf.h
netdevice.h
netfilter.h netfilter: Introduce egress hook 2021-10-14 23:06:28 +02:00
netfilter_arp.h
netfilter_bridge.h
netfilter_decnet.h
netfilter_ipv4.h
netfilter_ipv6.h
netlink.h netlink: simplify NLMSG_DATA with NLMSG_HDRLEN 2021-06-10 12:51:33 -07:00
netlink_diag.h
netrom.h
nexthop.h nexthop: Add netlink defines and enumerators for resilient NH groups 2021-03-11 16:12:59 -08:00
nfc.h
nfs.h
nfs2.h
nfs3.h NFSD: Update the SETATTR3args decoder to use struct xdr_stream 2021-01-25 09:36:25 -05:00
nfs4.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
nfs4_mount.h
nfs_fs.h NFSv4.2: add client side xattr caching. 2020-07-13 17:52:46 -04:00
nfs_idmap.h
nfs_mount.h
nfsacl.h NFSACL: Replace PROC() macro with open code 2020-10-02 09:37:41 -04:00
nilfs2_api.h
nilfs2_ondisk.h
nitro_enclaves.h nitro_enclaves: Add ioctl interface definition 2020-09-22 13:58:40 +02:00
nl80211-vnd-intel.h nl80211: vendor-cmd: intel: add more details for IWL_MVM_VENDOR_CMD_HOST_GET_OWNERSHIP 2021-10-21 17:25:17 +02:00
nl80211.h cfg80211: fix kernel-doc for MBSSID EMA 2021-10-21 17:34:10 +02:00
nsfs.h
nubus.h
nvme_ioctl.h nvme: change nvme_passthru_cmd64 to explicitly mark rsvd 2019-11-06 06:17:38 +09:00
nvram.h
omap3isp.h
omapfb.h
oom.h
openat2.h fs: expose LOOKUP_CACHED through openat2() RESOLVE_CACHED 2021-01-04 11:42:26 -05:00
openvswitch.h openvswitch: fix alignment issues 2021-07-27 11:48:42 +01:00
packet_diag.h
param.h
parport.h
patchkey.h
pci.h
pci_regs.h pci-v5.11-changes 2020-12-15 16:49:59 -08:00
pcitest.h PCI: Fix kernel-doc formatting 2021-07-06 10:37:46 -05:00
perf_event.h Merge branch 'for-v5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2021-05-21 06:12:52 -10:00
personality.h
pfkeyv2.h
pg.h block: pg: add header include guard 2019-10-02 20:32:27 -06:00
phantom.h
phonet.h
pidfd.h pidfd: support PIDFD_NONBLOCK in pidfd_open() 2020-09-04 12:34:50 +02:00
pkt_cls.h net_sched: refactor TC action init API 2021-08-02 10:24:38 +01:00
pkt_sched.h fq_codel: generalise ce_threshold marking for subset of traffic 2021-10-20 15:24:36 -07:00
pktcdvd.h
pmu.h
poll.h
posix_acl.h
posix_acl_xattr.h
posix_types.h
ppdev.h
ppp-comp.h
ppp-ioctl.h ppp: Fix PPPIOCUNBRIDGECHAN request number 2020-12-21 17:36:48 -08:00
ppp_defs.h y2038: syscall implementation cleanups 2019-12-01 14:00:59 -08:00
pps.h
pr.h
prctl.h arm64 updates for 5.15: 2021-09-01 15:04:29 -07:00
psample.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-03-25 15:31:22 -07:00
psci.h
psp-sev.h crypto: ccp - Add support for SEV-ES to the PSP driver 2020-04-30 15:19:33 +10:00
ptp_clock.h ptp: introduce a phase offset in the periodic output request 2020-07-19 19:22:56 -07:00
ptrace.h rseq, ptrace: Add PTRACE_GET_RSEQ_CONFIGURATION request 2021-03-17 16:15:39 +01:00
qemu_fw_cfg.h
qnx4_fs.h
qnxtypes.h
qrtr.h
quota.h
radeonfb.h
random.h random: ignore GRND_RANDOM in getentropy(2) 2020-01-07 16:07:01 -05:00
rds.h rds: transport module should be auto loaded when transport is set 2020-06-25 16:26:25 -07:00
reboot.h
reiserfs_fs.h
reiserfs_xattr.h
remoteproc_cdev.h remoteproc: Add remoteproc character device interface 2020-08-04 20:16:37 -07:00
resource.h y2038: rusage: use __kernel_old_timeval 2019-11-15 14:38:29 +01:00
rfkill.h rfkill: revert back to old userspace API by default 2021-04-08 10:14:45 +02:00
rio_cm_cdev.h
rio_mport_cdev.h
rkisp1-config.h media: rkisp1: uapi: document which flags/structs relate to statistics config 2021-04-06 10:29:56 +02:00
romfs_fs.h
rose.h
route.h
rpl.h uapi: fix big endian definition of ipv6_rpl_sr_hdr 2021-01-25 15:14:16 -08:00
rpl_iptunnel.h net: ipv6: add rpl sr tunnel 2020-03-29 22:30:57 -07:00
rpmsg.h rpmsg: Add short description of the IOCTL defined in UAPI. 2021-03-17 14:16:26 -05:00
rpmsg_types.h rpmsg: Introduce __rpmsg{16|32|64} types 2020-11-24 10:10:59 -06:00
rseq.h
rtc.h rtc: introduce features bitfield 2021-01-16 23:19:26 +01:00
rtnetlink.h Add Open Routing Protocol ID to `rtnetlink.h` 2021-03-24 16:31:23 -07:00
rxrpc.h rxrpc: Fix accept on a connection that need securing 2020-10-05 16:35:57 +01:00
scc.h linux/scc.h: make uapi linux/scc.h self-contained 2019-12-04 19:44:12 -08:00
sched.h clone3: allow spawning processes into cgroups 2020-02-12 17:57:51 -05:00
scif_ioctl.h
screen_info.h
sctp.h sctp: add SCTP_PLPMTUD_PROBE_INTERVAL sockopt for sock/asoc/transport 2021-06-22 11:28:51 -07:00
seccomp.h seccomp: Support atomic "addfd + send reply" 2021-06-28 12:49:52 -07:00
securebits.h
sed-opal.h block: sed-opal: Add support to read/write opal tables generically 2019-11-04 07:11:31 -07:00
seg6.h
seg6_genl.h
seg6_hmac.h
seg6_iptunnel.h seg6_iptunnel: Refactor seg6_lwt_headroom out of uapi header 2020-08-03 17:57:40 -07:00
seg6_local.h seg6: add support for SRv6 End.DT46 Behavior 2021-06-18 11:35:47 -07:00
selinux_netlink.h
sem.h y2038: uapi: change __kernel_time_t to __kernel_old_time_t 2019-11-15 14:38:29 +01:00
serial.h tty: cyclades, remove this orphan 2021-03-10 09:34:06 +01:00
serial_core.h tty: serial: Drop unused efm32 serial driver 2021-01-15 17:14:49 +01:00
serial_reg.h serial: 8250: Define RX trigger levels for OxSemi 950 devices 2021-07-27 12:05:46 +02:00
serio.h Input: avoid BIT() macro usage in the serio.h UAPI header 2020-03-24 15:59:34 -07:00
shm.h y2038: uapi: change __kernel_time_t to __kernel_old_time_t 2019-11-15 14:38:29 +01:00
signal.h
signalfd.h signalfd: Remove SIL_PERF_EVENT fields from signalfd_siginfo 2021-05-18 16:20:54 -05:00
smc.h net/smc: add netlink support for SMC-Rv2 2021-10-16 14:58:13 +01:00
smc_diag.h
smiapp.h
snmp.h tcp: Add stats for socket migration. 2021-06-23 12:56:08 -07:00
sock_diag.h bpf: INET_DIAG support in bpf_sk_storage 2020-02-27 18:50:19 -08:00
socket.h sock: allow reading and changing sk_userlocks with setsockopt 2021-08-04 12:52:03 +01:00
sockios.h
sonet.h
sonypi.h
sound.h
soundcard.h
stat.h uapi: fix statx attribute value overlap for DAX & MOUNT_ROOT 2020-12-03 10:03:14 -08:00
stddef.h
stm.h
string.h
suspend_ioctls.h
swab.h include/uapi/linux/swab.h: fix userspace breakage, use __BITS_PER_LONG for swap 2020-02-21 11:22:15 -08:00
switchtec_ioctl.h PCI/switchtec: Add Gen4 flash information interface support 2020-01-15 11:00:39 -06:00
sync_file.h
synclink.h
sysctl.h net: arp: introduce arp_evict_nocarrier sysctl parameter 2021-11-01 19:57:14 -07:00
sysinfo.h
target_core_user.h scsi: target: tcmu: Add new feature KEEP_BUF 2021-08-03 07:27:42 -04:00
taskstats.h tsacct: add 64-bit btime field 2019-12-18 18:07:31 +01:00
tcp.h tcp: Sanitize CMSG flags and reserved args in tcp_zerocopy_receive. 2021-02-11 18:25:05 -08:00
tcp_metrics.h
tee.h tee: fix some comment typos in header files 2021-02-02 14:50:15 +01:00
termios.h tty: drop termiox user definitions 2021-01-07 16:17:32 +01:00
thermal.h thermal: Fix spelling mistake "disabed" -> "disabled" 2021-03-11 12:13:08 +01:00
time.h y2038: hide timeval/timespec/itimerval/itimerspec types 2020-02-21 11:22:15 -08:00
time_types.h y2038: rename itimerval to __kernel_old_itimerval 2019-12-18 18:07:33 +01:00
timerfd.h
times.h
timex.h y2038: sparc: remove use of struct timex 2019-12-18 18:07:33 +01:00
tiocl.h
tipc.h tipc: add automatic rekeying for encryption key 2020-09-18 13:58:37 -07:00
tipc_config.h net, uapi: fix -Wpointer-arith warnings 2019-10-04 14:25:17 -07:00
tipc_netlink.h tipc: add automatic rekeying for encryption key 2020-09-18 13:58:37 -07:00
tipc_sockets_diag.h
tls.h net/tls: support SM4 GCM/CCM algorithm 2021-09-16 14:36:26 +01:00
toshiba.h
tty.h
tty_flags.h tty: add ASYNC_SPLIT_TERMIOS to deprecation mask 2021-04-10 10:36:34 +02:00
types.h include/: replace HTTP links with HTTPS ones 2020-08-12 10:57:59 -07:00
udf_fs_i.h
udmabuf.h
udp.h xfrm: add espintcp (RFC 8229) 2019-12-09 09:59:07 +01:00
uhid.h
uinput.h
uio.h
uleds.h
ultrasound.h
um_timetravel.h um: Implement time-travel=ext 2020-03-29 23:29:08 +02:00
un.h
unistd.h
unix_diag.h
usbdevice_fs.h
usbip.h
userfaultfd.h userfaultfd/shmem: advertise shmem minor fault support 2021-06-30 20:47:27 -07:00
userio.h
utime.h y2038: uapi: change __kernel_time_t to __kernel_old_time_t 2019-11-15 14:38:29 +01:00
utsname.h
uuid.h
uvcvideo.h media: vpbe_osd.h/uvcvideo.h includes: fix trivial kernel-doc warnings 2021-03-22 10:24:07 +01:00
v4l2-common.h
v4l2-controls.h media: v4l2-ctrls: Add intra-refresh period control 2021-08-04 14:43:52 +02:00
v4l2-dv-timings.h
v4l2-mediabus.h media: v4l2: extend the CSC API to subdevice. 2020-09-26 10:22:29 +02:00
v4l2-subdev.h media: core headers: fix kernel-doc warnings 2021-03-22 10:22:22 +01:00
vbox_err.h
vbox_vmmdev_types.h virt: vbox: Add a few new vmmdev request types to the userspace whitelist 2020-07-10 13:45:32 +02:00
vboxguest.h virt: vbox: Add support for the new VBG_IOCTL_ACQUIRE_GUEST_CAPABILITIES ioctl 2020-07-10 13:45:32 +02:00
vdpa.h vdpa: Enable user to query vdpa device info 2021-02-23 07:52:56 -05:00
vduse.h vduse: Introduce VDUSE - vDPA Device in Userspace 2021-09-06 07:20:58 -04:00
veth.h
vfio.h vfio/pci: Revert nvlink removal uAPI breakage 2021-05-05 10:19:41 -06:00
vfio_ccw.h vfio-ccw: Introduce a new CRW region 2020-06-03 11:27:43 +02:00
vfio_zdev.h vfio: Introduce capability definitions for VFIO_DEVICE_GET_INFO 2020-10-07 14:23:44 -06:00
vhost.h vhost: vdpa: report iova range 2020-10-23 11:55:28 -04:00
vhost_types.h vhost: vdpa: report iova range 2020-10-23 11:55:28 -04:00
videodev2.h media: uapi: move MPEG-2 stateless controls out of staging 2021-05-23 19:21:31 +02:00
virtio_9p.h virtio_9p: correct tags for config space fields 2020-08-05 09:30:19 -04:00
virtio_balloon.h virtio_balloon: correct tags for config space fields 2020-08-05 09:30:20 -04:00
virtio_blk.h virtio_blk: correct tags for config space fields 2020-08-05 11:08:39 -04:00
virtio_bt.h Bluetooth: Add support for virtio transport driver 2021-04-08 12:26:34 +02:00
virtio_config.h virtio: VIRTIO_F_IOMMU_PLATFORM -> VIRTIO_F_ACCESS_PLATFORM 2020-08-03 16:11:42 -04:00
virtio_console.h virtio_console: correct tags for config space fields 2020-08-05 11:08:39 -04:00
virtio_crypto.h virtio_crypto: correct tags for config space fields 2020-08-05 11:08:39 -04:00
virtio_fs.h virtiofs: set up virtio_fs dax_device 2020-09-10 11:39:22 +02:00
virtio_gpio.h gpio: virtio: Fix sparse warnings 2021-08-31 11:07:05 +02:00
virtio_gpu.h virtio-gpu api: Add a comment on VIRTIO_GPU_SHM_ID_HOST_VISIBLE 2020-11-20 10:44:41 +01:00
virtio_i2c.h i2c: virtio: add a virtio i2c frontend driver 2021-08-19 21:21:19 +02:00
virtio_ids.h virtio,vdpa,vhost: features, fixes 2021-09-11 14:48:42 -07:00
virtio_input.h virtio_input: correct tags for config space fields 2020-08-05 11:08:40 -04:00
virtio_iommu.h virtio_iommu: correct tags for config space fields 2020-08-05 11:08:40 -04:00
virtio_mem.h virtio_mem: correct tags for config space fields 2020-08-05 11:08:40 -04:00
virtio_mmio.h virtio: Implement get_shm_region for MMIO transport 2020-09-10 10:05:58 +02:00
virtio_net.h virtio_net: use LE accessors for speed/duplex 2020-08-05 11:08:41 -04:00
virtio_pci.h virtio: Implement get_shm_region for PCI transport 2020-09-10 10:05:58 +02:00
virtio_pcidev.h um: virt-pci: fix uapi documentation 2021-08-26 22:28:03 +02:00
virtio_pmem.h virtio_pmem: correct tags for config space fields 2020-08-05 11:08:40 -04:00
virtio_ring.h virtio: force spec specified alignment on types 2020-06-02 02:45:13 -04:00
virtio_rng.h
virtio_scmi.h firmware: arm_scmi: Add virtio transport 2021-08-05 10:24:08 +01:00
virtio_scsi.h virtio_scsi: correct tags for config space fields 2020-08-05 11:08:40 -04:00
virtio_snd.h ALSA: virtio: add virtio sound driver 2021-03-07 09:07:16 +01:00
virtio_types.h
virtio_vsock.h virtio/vsock: add 'VIRTIO_VSOCK_SEQ_EOR' bit. 2021-09-05 16:23:09 -04:00
vm_sockets.h vsock: Enable y2038 safe timeval for timeout 2021-10-08 16:21:53 +01:00
vm_sockets_diag.h
vmcore.h
vsockmon.h
vt.h
vtpm_proxy.h
wait.h
watch_queue.h watch_queue: Add a key/keyring notification facility 2020-05-19 15:19:06 +01:00
watchdog.h
wireguard.h wireguard: global: fix spelling mistakes in comments 2019-12-16 19:22:22 -08:00
wireless.h net/wireless: wireless.h: drop duplicate word in comments 2020-07-31 09:24:23 +02:00
wmi.h
wwan.h wwan: add interface creation support 2021-06-12 13:16:45 -07:00
x25.h
xattr.h ext4: support xattr gnu.* namespace for the Hurd 2020-06-12 13:23:34 -04:00
xdp_diag.h xsk: Add xdp statistics to xsk_diag 2020-07-13 15:32:56 -07:00
xfrm.h xfrm: make user policy API complete 2021-09-15 13:41:36 +02:00
xilinx-v4l2-controls.h
zorro.h
zorro_ids.h