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Jiri Pirko be50da3e9d net: virtio_net: implement exact header length guest feature 
Virtio spec introduced a feature VIRTIO_NET_F_GUEST_HDRLEN which when
set implicates that device benefits from knowing the exact size
of the header. For compatibility, to signal to the device that
the header is reliable driver also needs to set this feature.
Without this feature set by driver, device has to figure
out the header size itself.

Quoting the original virtio spec:
"hdr_len is a hint to the device as to how much of the header needs to
 be kept to copy into each packet"

"a hint" might not be clear for the reader what does it mean, if it is
"maybe like that" of "exactly like that". This feature just makes it
crystal clear and let the device count on the hdr_len being filled up
by the exact length of header.

Also note the spec already has following note about hdr_len:
"Due to various bugs in implementations, this field is not useful
 as a guarantee of the transport header size."

Without this feature the device needs to parse the header in core
data path handling. Accurate information helps the device to eliminate
such header parsing and directly use the hardware accelerators
for GSO operation.

virtio_net_hdr_from_skb() fills up hdr_len to skb_headlen(skb).
The driver already complies to fill the correct value. Introduce the
feature and advertise it.

Note that virtio spec also includes following note for device
implementation:
"Caution should be taken by the implementation so as to prevent
 a malicious driver from attacking the device by setting
 an incorrect hdr_len."

There is a plan to support this feature in our emulated device.
A device of SolidRun offers this feature bit. They claim this feature
will save the device a few cycles for every GSO packet.

Link: https://docs.oasis-open.org/virtio/virtio/v1.2/cs01/virtio-v1.2-cs01.html#x1-230006x3
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Alvaro Karsz <alvaro.karsz@solid-run.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20230309094559.917857-1-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 		2023-03-13 16:32:16 -07:00
..
android binder: return pending info for frozen async txns 2023-01-19 17:14:18 +01:00
byteorder uapi: Fix undefined __always_inline on non-glibc systems 2021-12-21 15:09:46 -08:00
caif
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can can: raw: add CAN XL support 2022-09-15 09:08:09 +02:00
cifs cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
dvb Merge tag 'br-v6.2i' of git://linuxtv.org/hverkuil/media_tree into media_stage 2022-12-07 17:58:47 +01:00
genwqe
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hdlc
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hsi headers: Remove some left-over license text in include/uapi/linux/hsi/ 2022-11-17 22:49:39 +01:00
iio iio: add modifers for pitch, yaw, roll 2022-09-21 18:42:55 +01:00
isdn
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misc bcm-vk: add bcm_vk UAPI 2021-01-25 18:44:44 +01:00
mmc treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
netfilter netfilter: bridge: introduce broute meta statement 2023-03-08 14:21:18 +01:00
netfilter_arp treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
netfilter_bridge treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
netfilter_ipv4 treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
netfilter_ipv6 netfilter: ip6t_LOG: Fix a typo in a comment 2022-08-09 19:51:05 +02:00
nfsd NFSD: move filehandle format declarations out of "uapi". 2021-10-02 15:50:45 -04:00
raid treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
sched
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spi spi: add SPI_RX_CPHA_FLIP mode bit 2022-04-19 13:13:47 +01:00
sunrpc
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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: add helper support in act_ct 2022-11-08 12:15:19 +01:00
tc_ematch
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usb usb: uvc: Enumerate valid values for color matching 2023-02-06 13:46:42 +01:00
a.out.h
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acct.h taskstats: version 12 with thread group and exe info 2022-04-29 14:38:03 -07:00
acrn.h virt: acrn: Mark the uuid field as unused 2022-11-23 19:55:22 +01:00
adb.h
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adfs_fs.h
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affs_hardblocks.h
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agpgart.h agpgart.h: do not include <stdlib.h> from exported header 2022-05-13 10:56:10 +02:00
aio_abi.h
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am437x-vpfe.h
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amt.h amt: add control plane of amt interface 2021-11-01 13:36:08 +00:00
apm_bios.h
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arcfb.h
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arm_sdei.h
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aspeed-lpc-ctrl.h
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aspeed-p2a-ctrl.h
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aspeed-video.h media: aspeed: Support aspeed mode to reduce compressed data 2022-11-04 16:56:41 +01:00
atalk.h
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atm.h
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atm_eni.h
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atm_he.h
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atm_idt77105.h
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atm_nicstar.h
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atm_tcp.h
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atm_zatm.h net: atm: bring back zatm uAPI 2022-08-11 10:31:19 -07:00
atmapi.h
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atmarp.h
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atmbr2684.h atm: uapi: fix spelling typos in comments 2022-12-22 18:18:37 -08:00
atmclip.h
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atmdev.h
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atmioc.h
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atmlec.h
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atmmpc.h
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atmppp.h
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atmsap.h
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atmsvc.h
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audit.h audit: fix undefined behavior in bit shift for AUDIT_BIT 2022-10-31 07:29:47 -04:00
auto_dev-ioctl.h
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auto_fs.h
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auto_fs4.h
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auxvec.h rseq: Introduce feature size and alignment ELF auxiliary vector entries 2022-12-27 12:52:10 +01:00
ax25.h
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batadv_packet.h batman-adv: tvlv: prepare for tvlv enabled multicast packet type 2023-01-21 19:01:59 +01:00
batman_adv.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
baycom.h
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bcm933xx_hcs.h
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bfs_fs.h
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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
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blkzoned.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
bpf.h bpf: Add support for absolute value BPF timers 2023-03-02 22:41:32 -08:00
bpf_common.h
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bpf_perf_event.h
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bpfilter.h
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bpqether.h
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bsg.h
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bt-bmc.h
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btf.h bpf: Add btf enum64 support 2022-06-07 10:20:42 -07:00
btrfs.h btrfs: sync some cleanups from progs into uapi/btrfs.h 2022-12-05 18:00:59 +01:00
btrfs_tree.h btrfs: add nr_global_roots to the super block definition 2022-12-05 18:00:58 +01:00
cachefiles.h cachefiles: implement on-demand read 2022-05-18 00:11:18 +08:00
can.h can: canxl: introduce CAN XL data structure 2022-09-15 09:08:09 +02:00
capability.h capabilities: fix undefined behavior in bit shift for CAP_TO_MASK 2022-11-05 01:25:57 -04:00
capi.h
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cciss_defs.h
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cciss_ioctl.h
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ccs.h media: v4l: uapi: ccs: Add CCS controls for shading correction 2021-01-12 17:31:14 +01:00
cdrom.h cdrom: mark CDROMGETSPINDOWN/CDROMSETSPINDOWN obsolete 2022-05-15 18:31:28 -06:00
cec-funcs.h media: cec: add support for Absolute Volume Control 2022-09-24 08:50:04 +02:00
cec.h media: cec: add support for Absolute Volume Control 2022-09-24 08:50:04 +02:00
cfm_bridge.h
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cgroupstats.h
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chio.h
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close_range.h
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cm4000_cs.h
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cn_proc.h
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coda.h
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coff.h
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comedi.h comedi: Move the main COMEDI headers 2021-11-26 16:48:59 +01:00
connector.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
const.h uapi: move constants from <linux/kernel.h> to <linux/const.h> 2020-12-15 12:13:36 -08:00
coresight-stm.h
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counter.h counter: Introduce the Count capture component 2022-09-30 14:32:35 +02:00
cramfs_fs.h
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cryptouser.h
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cuda.h
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cxl_mem.h cxl/mem: Fix UAPI command comment 2023-02-10 17:54:45 -08:00
cyclades.h tty: Partially revert the removal of the Cyclades public API 2022-01-26 14:49:46 +01:00
cycx_cfm.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
dcbnl.h net: dcb: add new rewrite table 2023-01-20 09:33:22 +00:00
dccp.h
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devlink.h devlink: Expose port function commands to control migratable 2022-12-07 20:09:18 -08:00
dlm.h fs: dlm: remove DLM_LSFL_FS from uapi 2022-08-23 14:54:54 -05:00
dlm_device.h treewide: Replace 0-element memcpy() destinations with flexible arrays 2021-10-18 12:28:53 -07:00
dlm_netlink.h
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dlm_plock.h
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dlmconstants.h
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dm-ioctl.h flexible-array transformations in UAPI for 6.0-rc1 2022-08-02 19:50:47 -07:00
dm-log-userspace.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
dma-buf.h Merge drm/drm-next into drm-misc-next 2022-06-20 18:21:25 +02:00
dma-heap.h
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dns_resolver.h
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dqblk_xfs.h quota: report warning limits for realtime space quotas 2021-03-18 17:03:54 +01:00
dw100.h media: uapi: Add a control for DW100 driver 2022-08-29 15:32:13 +02:00
edd.h
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efs_fs_sb.h
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elf-em.h LoongArch: Add ELF-related definitions 2022-06-03 20:09:27 +08:00
elf-fdpic.h
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elf.h LoongArch changes for v6.3 2023-03-01 09:27:00 -08:00
errno.h
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errqueue.h
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erspan.h
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ethtool.h net: ethtool: netlink: retrieve stats from multiple sources (eMAC, pMAC) 2023-01-23 12:44:18 +00:00
ethtool_netlink.h net: ethtool: extend ringparam set/get APIs for rx_push 2023-02-13 11:05:12 +00:00
eventpoll.h eventpoll: add EPOLL_URING_WAKE poll wakeup flag 2022-11-21 07:45:29 -07:00
f2fs.h f2fs: introduce F2FS_IOC_START_ATOMIC_REPLACE 2022-11-28 12:46:23 -08:00
fadvise.h
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falloc.h
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fanotify.h fanotify: define struct members to hold response decision context 2023-02-07 12:53:53 +01:00
fb.h linux/fb.h: Spelling s/palette/palette/ 2022-04-04 08:55:23 +02:00
fcntl.h mm/memfd: add F_SEAL_EXEC 2023-01-18 17:12:37 -08:00
fd.h floppy: cleanups: remove trailing whitespaces 2021-04-20 08:59:03 -06:00
fdreg.h
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fib_rules.h
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fiemap.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
filter.h
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firewire-cdev.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
firewire-constants.h
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fou.h ynl: re-license uniformly under GPL-2.0 OR BSD-3-Clause 2023-03-07 13:44:30 -08:00
fpga-dfl.h
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fs.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
fscrypt.h fscrypt: remove unused Speck definitions 2022-12-01 19:58:50 -08:00
fsi.h fsi: sbefifo: Implement FSI_SBEFIFO_READ_TIMEOUT_SECONDS ioctl 2022-02-21 19:38:17 +10:30
fsl_hypervisor.h
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fsl_mc.h bus: fsl-mc: add fsl-mc userspace support 2021-01-27 15:13:52 +01:00
fsmap.h fsmap.h: add linux/fsmap.h to UAPI compile-test coverage 2022-02-17 09:09:37 +01:00
fsverity.h fs-verity: support reading signature with ioctl 2021-02-07 14:51:19 -08:00
fuse.h fuse: optional supplementary group in create requests 2023-01-26 17:10:38 +01:00
futex.h futex: Implement sys_futex_waitv() 2021-10-07 13:51:11 +02:00
gameport.h
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gen_stats.h
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genetlink.h genetlink: correct uAPI defines 2022-08-10 13:49:50 +01:00
gfs2_ondisk.h gfs2: Add trusted xattr support 2021-02-08 13:01:24 +01:00
gpio.h gpiolib: cdev: Add hardware timestamp clock type 2022-05-04 11:06:13 +02:00
gsmmux.h tty: n_gsm: add keep alive support 2023-02-16 13:50:50 +01:00
gtp.h gtp: Implement GTP echo request 2022-03-11 08:28:05 -08:00
hash_info.h
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hdlc.h
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hdlcdrv.h
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hdreg.h
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hid.h HID: convert defines of HID class requests into a proper enum 2022-09-20 11:53:32 +01:00
hiddev.h
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hidraw.h
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hpet.h
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hsr_netlink.h
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hw_breakpoint.h
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hyperv.h hv_utils: Add comment about max VMbus packet size in VSS driver 2022-02-18 13:08:18 +00:00
i2c-dev.h Revert "Merge branch 'mctp-i2c-driver'" 2021-11-15 07:53:10 -08:00
i2c.h Revert "Merge branch 'mctp-i2c-driver'" 2021-11-15 07:53:10 -08:00
i2o-dev.h
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i8k.h
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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 crc_val field for completion record 2022-11-14 03:56:37 +05:30
if.h
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if_addr.h net: Add new protocol attribute to IP addresses 2022-02-18 21:20:06 -08:00
if_addrlabel.h
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if_alg.h crypto: af_alg - Support symmetric encryption via keyring keys 2022-10-28 12:36:34 +08:00
if_arcnet.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
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: Add netlink knobs for number / maximum MDB entries 2023-02-06 08:48:26 +00:00
if_cablemodem.h
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if_eql.h
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if_ether.h can: canxl: update CAN infrastructure for CAN XL frames 2022-09-15 09:08:09 +02:00
if_fc.h
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if_fddi.h FDDI: if_fddi.h: Update my e-mail address 2021-03-10 12:45:16 -08:00
if_hippi.h
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if_infiniband.h
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if_link.h net: bridge: Add netlink knobs for number / maximum MDB entries 2023-02-06 08:48:26 +00:00
if_ltalk.h
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if_macsec.h net: macsec: Expose MACSEC_SALT_LEN definition to user space 2022-08-18 20:37:35 -07:00
if_packet.h packet: add TP_STATUS_GSO_TCP for tp_status 2023-02-01 20:54:27 -08:00
if_phonet.h
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if_plip.h
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if_ppp.h
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if_pppol2tp.h
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if_pppox.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
if_slip.h
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if_team.h
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if_tun.h uapi/linux/if_tun.h: Added new offload types for USO4/6. 2022-12-12 09:29:56 +00:00
if_tunnel.h net/sched: Allow flower to match on GTP options 2022-03-11 08:28:27 -08:00
if_vlan.h
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if_x25.h
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if_xdp.h
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ife.h
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igmp.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
ila.h
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in.h inet: Add IP_LOCAL_PORT_RANGE socket option 2023-01-25 22:45:00 -08:00
in6.h ipv6: ioam: Data plane support for Pre-allocated Trace 2021-07-21 08:14:33 -07:00
in_route.h
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inet_diag.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
inotify.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
input-event-codes.h HID: add mapping for camera access keys 2022-11-22 17:50:36 -08:00
input.h Input updates for v5.19-rc6 2022-07-17 07:52:46 -07:00
io_uring.h hardening updates for v6.3-rc1 2023-02-21 11:07:23 -08:00
ioam6.h ipv6: ioam: Replace 0-length array with flexible array 2023-01-06 19:22:53 -08:00
ioam6_genl.h ipv6: ioam: IOAM Generic Netlink API 2021-07-21 08:14:33 -07:00
ioam6_iptunnel.h uapi: ioam: Insertion frequency 2022-02-04 20:24:45 -08:00
ioctl.h
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iommu.h iommu: Remove guest pasid related interfaces and definitions 2022-02-28 13:25:48 +01:00
iommufd.h iommufd: vfio container FD ioctl compatibility 2022-11-30 20:16:49 -04:00
ioprio.h block: fix default IO priority handling 2021-08-18 07:23:15 -06:00
ip.h uapi: add missing ip/ipv6 header dependencies for linux/stddef.h 2023-02-06 09:01:00 +00:00
ip6_tunnel.h
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ip_vs.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
ipc.h
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ipmi.h ipmi: Add support for IPMB direct messages 2021-10-05 06:54:16 -05:00
ipmi_bmc.h
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ipmi_msgdefs.h
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ipmi_ssif_bmc.h ipmi: ssif_bmc: Add SSIF BMC driver 2022-10-17 09:51:26 -05:00
ipsec.h
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ipv6.h uapi: add missing ip/ipv6 header dependencies for linux/stddef.h 2023-02-06 09:01:00 +00:00
ipv6_route.h
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irqnr.h
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iso_fs.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
isst_if.h
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ivtv.h
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ivtvfb.h
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jffs2.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
joystick.h
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kcm.h
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kcmp.h
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kcov.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
kd.h VT: Add KD_FONT_OP_SET/GET_TALL operations 2023-01-19 16:28:57 +01:00
kdev_t.h
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kernel-page-flags.h
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kernel.h uapi: move constants from <linux/kernel.h> to <linux/const.h> 2020-12-15 12:13:36 -08:00
kernelcapi.h
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kexec.h LoongArch: Add ELF-related definitions 2022-06-03 20:09:27 +08:00
keyboard.h
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keyctl.h
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kfd_ioctl.h drm/amdkfd: bump KFD version for unified ctx save/restore memory 2022-07-12 16:50:44 -04:00
kfd_sysfs.h drm/amdkfd: make SPDX License expression more sound 2022-01-11 15:44:27 -05:00
kvm.h * Two more V!=R patches 2023-02-15 12:35:26 -05:00
kvm_para.h KVM: X86: Introduce KVM_HC_MAP_GPA_RANGE hypercall 2021-06-17 14:25:39 -04:00
l2tp.h uapi: move IPPROTO_L2TP to in.h 2022-09-20 09:13:38 +02:00
landlock.h landlock: Support file truncation 2022-10-19 09:01:44 +02:00
libc-compat.h
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limits.h
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lirc.h media: lirc: revert removal of unused feature flags 2022-05-25 09:51:36 -07:00
llc.h
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loadpin.h LoadPin: Enable loading from trusted dm-verity devices 2022-07-08 10:46:53 -07:00
loop.h loop: remove most the top-of-file boilerplate comment from the UAPI header 2022-05-10 06:30:05 -06:00
lp.h
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lwtunnel.h xfrm: lwtunnel: add lwtunnel support for xfrm interfaces in collect_md mode 2022-08-29 10:44:08 +02:00
magic.h mm: Convert all PageMovable users to movable_operations 2022-08-02 12:34:03 -04:00
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
map_to_14segment.h uapi: Add <linux/map_to_14segment.h> 2021-10-21 23:36:28 +02:00
matroxfb.h
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max2175.h
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mctp.h mctp: Add SIOCMCTP{ALLOC,DROP}TAG ioctls for tag control 2022-02-09 12:00:11 +00:00
mdio.h net: phy: add genphy_c45_ethtool_get/set_eee() support 2023-02-13 11:12:31 +00:00
media-bus-format.h drm-misc-next for v6.3: 2023-01-04 14:59:25 +01:00
media.h media: media.h: remove unneeded <stdint.h> inclusion 2022-04-24 08:27:37 +01:00
mei.h
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membarrier.h sched/membarrier: Introduce MEMBARRIER_CMD_GET_REGISTRATIONS 2023-01-07 11:29:29 +01:00
memfd.h mm/memfd: add MFD_NOEXEC_SEAL and MFD_EXEC 2023-01-18 17:12:37 -08:00
mempolicy.h mm/mempolicy: add MPOL_PREFERRED_MANY for multiple preferred nodes 2021-09-03 09:58:17 -07:00
mii.h
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minix_fs.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
mman.h
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mmtimer.h
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module.h module: add in-kernel support for decompressing 2022-01-11 18:45:02 -08:00
mount.h move_mount: allow to add a mount into an existing group 2021-07-26 14:45:18 +02:00
mpls.h
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mpls_iptunnel.h
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mptcp.h mptcp: add pm listener events 2022-12-01 20:06:06 -08:00
mqueue.h
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mroute.h
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mroute6.h net: ip6mr: add support for passing full packet on wrong mif 2022-02-19 16:05:54 +00:00
mrp_bridge.h net: mrp: move struct definitions out of uapi 2021-01-23 12:38:42 -08:00
msdos_fs.h
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msg.h
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mtio.h
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nbd-netlink.h nbd: provide a way for userspace processes to identify device backends 2021-06-30 15:34:04 -06:00
nbd.h
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ncsi.h
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ndctl.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
neighbour.h bridge: Add MAC Authentication Bypass (MAB) support 2022-11-03 20:46:32 -07:00
net.h Revert "net: add pf_family_names[] for protocol family" 2021-06-18 13:02:45 -07:00
net_dropmon.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
net_namespace.h
…
net_tstamp.h net_tstamp: add SOF_TIMESTAMPING_OPT_ID_TCP 2022-12-08 19:49:21 -08:00
netconf.h
…
netdev.h ynl: re-license uniformly under GPL-2.0 OR BSD-3-Clause 2023-03-07 13:44:30 -08:00
netdevice.h
…
netfilter.h netfilter: remove NFPROTO_DECNET 2022-09-07 16:46:03 +02:00
netfilter_arp.h
…
netfilter_bridge.h
…
netfilter_ipv4.h
…
netfilter_ipv6.h
…
netlink.h netlink: remove the flex array from struct nlmsghdr 2022-11-18 18:36:54 -08:00
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 nfc: uapi: use kernel size_t to fix user-space builds 2021-12-27 14:58:37 +00:00
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 NFSv4.1 support for NFS4_RESULT_PRESERVER_UNLINKED 2022-02-25 18:50:12 -05:00
nfs4_mount.h
…
nfs_fs.h NFS: Remove remaining dfprintks related to fscache and remove NFSDBG_FSCACHE 2022-03-13 12:59:35 -04:00
nfs_idmap.h
…
nfs_mount.h
…
nfsacl.h
…
nilfs2_api.h
…
nilfs2_ondisk.h
…
nitro_enclaves.h nitro_enclaves: Add fixes for checkpatch spell check reports 2021-09-14 11:11:20 +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 wifi: nl80211: Add support for randomizing TA of auth and deauth frames 2023-03-07 11:12:02 +01:00
nsfs.h
…
nubus.h
…
nvme_ioctl.h nvme: enable uring-passthrough for admin commands 2022-05-20 06:17:33 -06:00
nvram.h
…
omap3isp.h media: omap3isp: Use struct_group() for memcpy() region 2022-02-27 10:58:04 -08:00
omapfb.h
…
oom.h
…
openat2.h fs: expose LOOKUP_CACHED through openat2() RESOLVE_CACHED 2021-01-04 11:42:26 -05:00
openvswitch.h net: openvswitch: Add support to count upcall packets 2022-12-09 10:43:46 +00:00
packet_diag.h
…
param.h
…
parport.h
…
patchkey.h
…
pci.h
…
pci_regs.h cxl: add RAS status unmasking for CXL 2023-02-14 14:12:54 -08:00
pcitest.h PCI: Fix kernel-doc formatting 2021-07-06 10:37:46 -05:00
perf_event.h perf: Add perf_event_attr::config3 2023-02-07 11:52:00 +00:00
personality.h
…
pfkeyv2.h xfrm: Add support for SM4 symmetric cipher algorithm 2021-12-23 09:32:51 +01:00
pfrut.h ACPI: Introduce Platform Firmware Runtime Telemetry driver 2021-12-27 17:12:58 +01:00
pg.h
…
phantom.h
…
phonet.h
…
pidfd.h
…
pkt_cls.h net/sched: flower: Add L2TPv3 filter 2022-09-20 09:13:38 +02:00
pkt_sched.h net/sched: taprio: allow user input of per-tc max SDU 2022-09-29 18:52:05 -07:00
pktcdvd.h Revert "pktcdvd: remove driver." 2023-01-04 14:44:13 -07:00
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
…
pps.h
…
pr.h block: Add error codes for common PR failures 2022-12-01 03:22:20 +00:00
prctl.h mm: implement memory-deny-write-execute as a prctl 2023-02-02 22:33:24 -08:00
psample.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-03-25 15:31:22 -07:00
psci.h firmware/psci: Fix MEM_PROTECT_RANGE function numbers 2023-01-06 17:12:39 +00:00
psp-sev.h
…
ptp_clock.h
…
ptrace.h ptrace: Move setting/clearing ptrace_message into ptrace_stop 2022-03-18 09:44:19 -05:00
qemu_fw_cfg.h
…
qnx4_fs.h
…
qnxtypes.h
…
qrtr.h
…
quota.h
…
radeonfb.h
…
random.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
rds.h
…
reboot.h
…
reiserfs_fs.h
…
reiserfs_xattr.h reiserfs_xattr.h: add linux/reiserfs_xattr.h to UAPI compile-test coverage 2022-02-17 09:09:38 +01:00
remoteproc_cdev.h
…
resource.h Increase default MLOCK_LIMIT to 8 MiB 2021-12-10 17:10:55 -08:00
rfkill.h rfkill: uapi: fix RFKILL_IOCTL_MAX_SIZE ioctl request definition 2022-05-09 14:00:07 +02:00
rio_cm_cdev.h
…
rio_mport_cdev.h
…
rkisp1-config.h media: rockchip: rkisp1: Define macros for DPCC configurations in UAPI 2022-09-24 08:31:54 +02:00
romfs_fs.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
rose.h
…
route.h
…
rpl.h net: ipv6: rpl_iptunnel: Replace 0-length arrays with flexible arrays 2023-01-06 19:28:01 -08:00
rpl_iptunnel.h
…
rpmsg.h rpmsg: ctrl: Introduce new RPMSG_CREATE/RELEASE_DEV_IOCTL controls 2022-03-13 11:49:53 -05:00
rpmsg_types.h
…
rseq.h rseq: Extend struct rseq with per-memory-map concurrency ID 2022-12-27 12:52:12 +01:00
rtc.h rtc: add new RTC_FEATURE_ALARM_WAKEUP_ONLY feature 2022-03-23 19:58:40 +01:00
rtnetlink.h sched: add new attr TCA_EXT_WARN_MSG to report tc extact message 2023-01-17 09:38:33 +01:00
rxrpc.h
…
scc.h
…
sched.h
…
scif_ioctl.h
…
screen_info.h
…
sctp.h sctp: add weighted fair queueing stream scheduler 2023-03-09 11:31:44 +01:00
seccomp.h seccomp: Add wait_killable semantic to seccomp user notifier 2022-05-03 14:11:58 -07:00
securebits.h
…
sed-opal.h sed-opal: add support flag for SUM in status ioctl 2023-02-17 06:15:53 -07:00
seg6.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
seg6_genl.h
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seg6_hmac.h
…
seg6_iptunnel.h Networking changes for 6.0. 2022-08-03 16:29:08 -07:00
seg6_local.h seg6: add NEXT-C-SID support for SRv6 End behavior 2022-09-20 12:33:22 +02:00
selinux_netlink.h
…
sem.h
…
serial.h serial: Convert serial_rs485 to kernel doc 2022-11-03 03:43:05 +01:00
serial_core.h serial: 8250_pci1xxxx: Add driver for quad-uart support 2023-02-08 13:10:15 +01:00
serial_reg.h serial: 8250: Define IIR 64 byte bit & cleanup related code 2023-01-19 15:01:20 +01:00
serio.h
…
sev-guest.h virt: sevguest: Add support to get extended report 2022-04-07 16:47:12 +02:00
shm.h
…
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: Extend SMC-R link group netlink attribute 2022-07-18 11:19:17 +01:00
smc_diag.h Partially revert "net/smc: Add netlink net namespace support" 2022-02-02 07:42:41 -08:00
smiapp.h
…
snmp.h icmp: Add counters for rate limits 2023-01-26 10:52:18 +01:00
sock_diag.h
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socket.h socket: Don't use u8 type in uapi socket.h 2022-06-01 16:48:05 -07:00
sockios.h
…
sonet.h
…
sonypi.h
…
sound.h
…
soundcard.h kbuild: move headers_check.pl to usr/include/ 2022-01-08 17:41:00 +09:00
stat.h statx: add direct I/O alignment information 2022-09-11 19:47:04 -05:00
stddef.h uapi/linux/stddef.h: Add include guards 2022-03-31 13:04:44 -07:00
stm.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
string.h
…
suspend_ioctls.h
…
swab.h include/uapi/linux/swab: Fix potentially missing __always_inline 2022-11-09 14:06:51 +01:00
switchtec_ioctl.h
…
sync_file.h
…
synclink.h
…
sysctl.h net, neigh: introduce interval_probe_time_ms for periodic probe 2022-06-30 13:14:35 +02:00
sysinfo.h
…
target_core_user.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
taskstats.h delayacct: track delays from write-protect copy 2022-06-01 15:55:25 -07:00
tcp.h tcp: add rcv_wnd and plb_rehash to TCP_INFO 2022-10-28 10:47:42 +01:00
tcp_metrics.h
…
tdx-guest.h virt: Add TDX guest driver 2022-11-17 11:04:23 -08:00
tee.h tee: remove flags TEE_IOCTL_SHM_MAPPED and TEE_IOCTL_SHM_DMA_BUF 2022-04-26 10:17:03 +02:00
termios.h tty: drop termiox user definitions 2021-01-07 16:17:32 +01:00
thermal.h thermal: netlink: Add a new event to notify CPU capabilities change 2022-02-03 19:50:49 +01:00
time.h
…
time_types.h
…
timerfd.h
…
times.h
…
timex.h
…
tiocl.h
…
tipc.h
…
tipc_config.h net, uapi: remove inclusion of arpa/inet.h 2022-04-06 13:48:02 +01:00
tipc_netlink.h
…
tipc_sockets_diag.h
…
tls.h net: tls: Add ARIA-GCM algorithm 2022-09-27 17:29:09 -07:00
toshiba.h
…
tty.h tty: Add N_CAN327 line discipline ID for ELM327 based CAN driver 2022-06-27 16:25:41 +02:00
tty_flags.h tty: add ASYNC_SPLIT_TERMIOS to deprecation mask 2021-04-10 10:36:34 +02:00
types.h linux/types.h: reinstate "__bitwise__" macro for user space use 2022-05-25 10:08:59 -07:00
ublk_cmd.h ublk_drv: add mechanism for supporting unprivileged ublk device 2023-01-29 15:18:34 -07:00
udf_fs_i.h
…
udmabuf.h
…
udp.h
…
uhid.h
…
uinput.h
…
uio.h
…
uleds.h
…
ultrasound.h
…
um_timetravel.h
…
un.h
…
unistd.h
…
unix_diag.h
…
usbdevice_fs.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
usbip.h usbip: add USBIP_URB_* URB transfer flags 2022-08-31 09:07:53 +02:00
userfaultfd.h userfaultfd: add /dev/userfaultfd for fine grained access control 2022-09-11 20:25:48 -07:00
userio.h
…
utime.h
…
utsname.h
…
uuid.h uuid: Decouple guid_t and uuid_le types and respective macros 2023-01-31 15:57:19 +01:00
uvcvideo.h media: uvcvideo: Silence memcpy() run-time false positive warnings 2023-01-15 23:45:15 +02:00
v4l2-common.h headers: Remove some left-over license text in include/uapi/linux/v4l2-* 2022-12-07 17:58:46 +01:00
v4l2-controls.h media: meye: remove this deprecated driver 2023-01-22 09:54:31 +01:00
v4l2-dv-timings.h headers: Remove some left-over license text in include/uapi/linux/v4l2-* 2022-12-07 17:58:46 +01:00
v4l2-mediabus.h headers: Remove some left-over license text in include/uapi/linux/v4l2-* 2022-12-07 17:58:46 +01:00
v4l2-subdev.h media: subdev: add stream based configuration 2023-01-22 09:38:20 +01:00
vbox_err.h
…
vbox_vmmdev_types.h
…
vboxguest.h
…
vdpa.h vdpa: merge functionally duplicated dev_features attributes 2022-12-28 05:09:46 -05:00
vduse.h vduse: Support querying information of IOVA regions 2022-08-11 04:26:08 -04:00
veth.h
…
vfio.h vfio/type1: exclude mdevs from VFIO_UPDATE_VADDR 2023-02-09 11:39:14 -07:00
vfio_ccw.h
…
vfio_zdev.h vfio-pci/zdev: different maxstbl for interpreted devices 2022-07-11 09:54:37 +02:00
vhost.h vhost-vdpa: uAPI to resume the device 2023-02-20 19:26:56 -05:00
vhost_types.h vhost-vdpa: Introduce RESUME backend feature bit 2023-02-20 19:26:56 -05:00
videodev2.h media: Add Y210, Y212 and Y216 formats 2023-01-20 17:46:00 +02:00
virtio_9p.h treewide: uapi: Replace zero-length arrays with flexible-array members 2022-06-28 21:26:05 +02:00
virtio_balloon.h
…
virtio_blk.h virtio_blk: mark all zone fields LE 2023-02-15 06:46:22 -05:00
virtio_bt.h virtio_bt: Fix alignment in configuration struct 2022-12-12 14:19:23 -08:00
virtio_config.h virtio: queue_reset: add VIRTIO_F_RING_RESET 2022-08-11 04:06:40 -04:00
virtio_console.h
…
virtio_crypto.h virtio-crypto: introduce akcipher service 2022-03-28 16:52:58 -04:00
virtio_fs.h
…
virtio_gpio.h virtio_gpio: drop packed attribute 2021-11-04 16:36:54 +01:00
virtio_gpu.h virtio-gpu api: multiple context types with explicit initialization 2021-09-29 09:22:29 +02:00
virtio_i2c.h i2c: virtio: Add support for zero-length requests 2021-11-01 05:26:48 -04:00
virtio_ids.h virtio: fix virtio transitional ids 2022-05-10 07:22:28 -04:00
virtio_input.h
…
virtio_iommu.h iommu/virtio: Add definitions for VIRTIO_IOMMU_F_BYPASS_CONFIG 2021-12-06 15:03:05 +01:00
virtio_mem.h virtio-mem: support VIRTIO_MEM_F_UNPLUGGED_INACCESSIBLE 2021-11-10 15:32:38 +01:00
virtio_mmio.h
…
virtio_net.h net: virtio_net: implement exact header length guest feature 2023-03-13 16:32:16 -07:00
virtio_pci.h virtio_pci: struct virtio_pci_common_cfg add queue_reset 2022-08-11 04:06:40 -04:00
virtio_pcidev.h um: virt-pci: fix uapi documentation 2021-08-26 22:28:03 +02:00
virtio_pmem.h
…
virtio_ring.h virtio: kerneldocs fixes and enhancements 2022-08-16 01:40:24 -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_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
…
watchdog.h
…
wireguard.h
…
wireless.h
…
wmi.h
…
wwan.h wwan: add interface creation support 2021-06-12 13:16:45 -07:00
x25.h
…
xattr.h
…
xdp_diag.h
…
xfrm.h xfrm: add new packet offload flag 2022-12-05 10:30:47 +01:00
xilinx-v4l2-controls.h
…
zorro.h
…
zorro_ids.h
…