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97dc7cd92a
linux/net
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Gerhard Engleder 97dc7cd92a ptp: Support late timestamp determination 
If a physical clock supports a free running cycle counter, then
timestamps shall be based on this time too. For TX it is known in
advance before the transmission if a timestamp based on the free running
cycle counter is needed. For RX it is impossible to know which timestamp
is needed before the packet is received and assigned to a socket.

Support late timestamp determination by a network device. Therefore, an
address/cookie is stored within the new netdev_data field of struct
skb_shared_hwtstamps. This address/cookie is provided to a new network
device function called ndo_get_tstamp(), which returns a timestamp based
on the normal/adjustable time or based on the free running cycle
counter. If function is not supported, then timestamp handling is not
changed.

This mechanism is intended for RX, but TX use is also possible.

Signed-off-by: Gerhard Engleder <gerhard@engleder-embedded.com>
Acked-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-05-10 09:48:08 +02:00
..
6lowpan net: don't include ndisc.h from ipv6.h 2022-02-04 14:15:11 -08:00
9p xen/grant-table: remove readonly parameter from functions 2022-03-15 20:34:40 -05:00
802 net: 802: Use memset_startat() to clear struct fields 2021-11-19 11:23:23 +00:00
8021q net: add netif_inherit_tso_max() 2022-05-06 12:07:56 +01:00
appletalk net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
atm net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
ax25 net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
batman-adv batman-adv: remove unnecessary type castings 2022-04-22 11:23:46 +02:00
bluetooth net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
bpf Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-04-28 13:02:01 -07:00
bpfilter uaccess: remove CONFIG_SET_FS 2022-02-25 09:36:06 +01:00
bridge rtnetlink: add extack support in fdb del handlers 2022-05-09 11:58:20 +01:00
caif net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
can Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-05 13:03:18 -07:00
ceph libceph: disambiguate cluster/pool full log message 2022-04-25 10:45:15 +02:00
core rtnetlink: add extack support in fdb del handlers 2022-05-09 11:58:20 +01:00
dcb net: dcb: disable softirqs in dcbnl_flush_dev() 2022-03-03 08:01:55 -08:00
dccp ipv4: Avoid using RTO_ONLINK with ip_route_connect(). 2022-04-22 13:06:03 +01:00
decnet net: decnet: use time_is_before_jiffies() instead of open coding it 2022-02-28 13:21:32 +00:00
dns_resolver
dsa net: dsa: delete dsa_port_walk_{fdbs,mdbs} 2022-05-06 21:00:12 -07:00
ethernet net: ethernet: set default assignment identifier to NET_NAME_ENUM 2022-04-07 21:04:03 -07:00
ethtool ethtool: Add 10base-T1L link mode entry 2022-05-01 17:45:35 +01:00
hsr net: add per-cpu storage and net->core_stats 2022-03-11 23:17:24 -08:00
ieee802154 net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
ife
ipv4 tcp: allow MPTCP to update the announced window 2022-05-05 19:00:15 -07:00
ipv6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-05 13:03:18 -07:00
iucv net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
kcm net: Don't include filter.h from net/sock.h 2021-12-29 08:48:14 -08:00
key net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
l2tp net: remove noblock parameter from recvmsg() entities 2022-04-12 15:00:25 +02:00
l3mdev l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu 2022-04-15 14:27:24 -07:00
lapb
llc llc: only change llc->dev when bind() succeeds 2022-03-25 16:55:41 -07:00
mac80211 wireless-next patches for v5.19 2022-05-03 17:27:51 -07:00
mac802154 net: mac802154: Fix symbol durations 2022-04-30 20:29:47 +02:00
mctp net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
mpls net: mpls: fix memdup.cocci warning 2022-04-07 21:06:41 -07:00
mptcp mptcp: add more offered MIBs counter 2022-05-05 19:00:16 -07:00
ncsi all: replace find_next{,_zero}_bit with find_first{,_zero}_bit where appropriate 2022-01-15 08:47:31 -08:00
netfilter net: sysctl: introduce sysctl SYSCTL_THREE 2022-05-03 10:15:06 +02:00
netlabel netlabel: fix out-of-bounds memory accesses 2022-03-21 10:59:11 +00:00
netlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-04-22 09:56:00 +02:00
netrom net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
nfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-05 13:03:18 -07:00
nsh
openvswitch openvswitch: fix OOB access in reserve_sfa_size() 2022-04-15 11:50:02 +01:00
packet net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
phonet net: remove noblock parameter from recvmsg() entities 2022-04-12 15:00:25 +02:00
psample
qrtr net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
rds net: rds: acquire refcount on TCP sockets 2022-05-03 13:22:50 +02:00
rfkill rfkill: make new event layout opt-in 2022-03-18 13:09:17 +02:00
rose ROSE: Remove unused code and clean up some inconsistent indenting 2022-05-09 17:19:27 -07:00
rxrpc rxrpc: Enable IPv6 checksums on transport socket 2022-04-30 13:59:34 +01:00
sched Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-04-22 09:56:00 +02:00
sctp net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
smc net/smc: Fix slab-out-of-bounds issue in fallback 2022-04-25 11:03:48 -07:00
strparser bpf: sockmap, strparser, and tls are reusing qdisc_skb_cb and colliding 2021-11-09 01:05:28 +01:00
sunrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-04-15 09:26:00 +02:00
switchdev net: switchdev: remove lag_mod_cb from switchdev_handle_fdb_event_to_device 2022-02-24 21:31:43 -08:00
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-03-23 10:53:49 -07:00
tls Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-04-28 13:02:01 -07:00
unix net: remove noblock parameter from recvmsg() entities 2022-04-12 15:00:25 +02:00
vmw_vsock vsock/virtio: add support for device suspend/resume 2022-05-02 16:04:34 -07:00
wireless wireless-next patches for v5.19 2022-05-03 17:27:51 -07:00
x25 net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
xdp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-04-28 13:02:01 -07:00
xfrm Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-04-22 09:56:00 +02:00
compat.c
devres.c
Kconfig page_pool: Add allocation stats 2022-03-03 09:55:28 +00:00
Kconfig.debug net: add networking namespace refcount tracker 2021-12-10 06:38:26 -08:00
Makefile mctp: Add MCTP base 2021-07-29 15:06:49 +01:00
socket.c ptp: Support late timestamp determination 2022-05-10 09:48:08 +02:00
sysctl_net.c sections: move and rename core_kernel_data() to is_kernel_core_data() 2021-11-09 10:02:50 -08:00