* Re: [net-next, v4, 05/11] ethtool: add a new command for getting PHC virtual clocks
@ 2021-06-25 16:22 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2021-06-25 16:22 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 2479 bytes --]
CC: kbuild-all(a)lists.01.org
In-Reply-To: <20210625093513.38524-6-yangbo.lu@nxp.com>
References: <20210625093513.38524-6-yangbo.lu@nxp.com>
TO: Yangbo Lu <yangbo.lu@nxp.com>
TO: netdev(a)vger.kernel.org
CC: Yangbo Lu <yangbo.lu@nxp.com>
CC: linux-kernel(a)vger.kernel.org
CC: linux-kselftest(a)vger.kernel.org
CC: mptcp(a)lists.linux.dev
CC: Richard Cochran <richardcochran@gmail.com>
CC: "David S . Miller" <davem@davemloft.net>
CC: Jakub Kicinski <kuba@kernel.org>
CC: Mat Martineau <mathew.j.martineau@linux.intel.com>
CC: Matthieu Baerts <matthieu.baerts@tessares.net>
Hi Yangbo,
I love your patch! Perhaps something to improve:
[auto build test WARNING on 19938bafa7ae8fc0a4a2c1c1430abb1a04668da1]
url: https://github.com/0day-ci/linux/commits/Yangbo-Lu/ptp-support-virtual-clocks-and-timestamping/20210625-172554
base: 19938bafa7ae8fc0a4a2c1c1430abb1a04668da1
:::::: branch date: 7 hours ago
:::::: commit date: 7 hours ago
config: x86_64-randconfig-b001-20210625 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 9ca0171a9ffdef5fdb1511d197a3fd72490362de)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# apt-get install iwyu # include-what-you-use
# https://github.com/0day-ci/linux/commit/d255612c40740890b1e7f798227468d1cdf93bb6
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Yangbo-Lu/ptp-support-virtual-clocks-and-timestamping/20210625-172554
git checkout d255612c40740890b1e7f798227468d1cdf93bb6
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross C=1 CHECK=iwyu ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
iwyu warnings: (new ones prefixed by >>)
>> net/ethtool/phc_vclocks.c:6:1: iwyu: warning: superfluous #include "common.h"
vim +6 net/ethtool/phc_vclocks.c
d255612c407408 Yangbo Lu 2021-06-25 @6 #include "common.h"
d255612c407408 Yangbo Lu 2021-06-25 7
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 41689 bytes --]
^ permalink raw reply [flat|nested] 3+ messages in thread* [net-next, v4, 00/11] ptp: support virtual clocks and timestamping
@ 2021-06-25 9:35 Yangbo Lu
2021-06-25 9:35 ` [net-next, v4, 05/11] ethtool: add a new command for getting PHC virtual clocks Yangbo Lu
0 siblings, 1 reply; 3+ messages in thread
From: Yangbo Lu @ 2021-06-25 9:35 UTC (permalink / raw)
To: netdev
Cc: Yangbo Lu, linux-kernel, linux-kselftest, mptcp, Richard Cochran,
David S . Miller, Jakub Kicinski, Mat Martineau, Matthieu Baerts,
Shuah Khan, Michal Kubecek, Florian Fainelli, Andrew Lunn,
Rui Sousa, Sebastien Laveze
Current PTP driver exposes one PTP device to user which binds network
interface/interfaces to provide timestamping. Actually we have a way
utilizing timecounter/cyclecounter to virtualize any number of PTP
clocks based on a same free running physical clock for using.
The purpose of having multiple PTP virtual clocks is for user space
to directly/easily use them for multiple domains synchronization.
user
space: ^ ^
| SO_TIMESTAMPING new flag: | Packets with
| SOF_TIMESTAMPING_BIND_PHC | TX/RX HW timestamps
v v
+--------------------------------------------+
sock: | sock (new member sk_bind_phc) |
+--------------------------------------------+
^ ^
| ethtool_get_phc_vclocks | Convert HW timestamps
| | to sk_bind_phc
v v
+--------------+--------------+--------------+
vclock: | ptp1 | ptp2 | ptpN |
+--------------+--------------+--------------+
pclock: | ptp0 free running |
+--------------------------------------------+
The block diagram may explain how it works. Besides the PTP virtual
clocks, the packet HW timestamp converting to the bound PHC is also
done in sock driver. For user space, PTP virtual clocks can be
created via sysfs, and extended SO_TIMESTAMPING API (new flag
SOF_TIMESTAMPING_BIND_PHC) can be used to bind one PTP virtual clock
for timestamping.
The test tool timestamping.c (together with linuxptp phc_ctl tool) can
be used to verify:
# echo 4 > /sys/class/ptp/ptp0/n_vclocks
[ 129.399472] ptp ptp0: new virtual clock ptp2
[ 129.404234] ptp ptp0: new virtual clock ptp3
[ 129.409532] ptp ptp0: new virtual clock ptp4
[ 129.413942] ptp ptp0: new virtual clock ptp5
[ 129.418257] ptp ptp0: guarantee physical clock free running
#
# phc_ctl /dev/ptp2 set 10000
# phc_ctl /dev/ptp3 set 20000
#
# timestamping eno0 2 SOF_TIMESTAMPING_TX_HARDWARE SOF_TIMESTAMPING_RAW_HARDWARE SOF_TIMESTAMPING_BIND_PHC
# timestamping eno0 2 SOF_TIMESTAMPING_RX_HARDWARE SOF_TIMESTAMPING_RAW_HARDWARE SOF_TIMESTAMPING_BIND_PHC
# timestamping eno0 3 SOF_TIMESTAMPING_TX_HARDWARE SOF_TIMESTAMPING_RAW_HARDWARE SOF_TIMESTAMPING_BIND_PHC
# timestamping eno0 3 SOF_TIMESTAMPING_RX_HARDWARE SOF_TIMESTAMPING_RAW_HARDWARE SOF_TIMESTAMPING_BIND_PHC
Changes for v2:
- Converted to num_vclocks for creating virtual clocks.
- Guranteed physical clock free running when using virtual
clocks.
- Fixed build warning.
- Updated copyright.
Changes for v3:
- Supported PTP virtual clock in default in PTP driver.
- Protected concurrency of ptp->num_vclocks accessing.
- Supported PHC vclocks query via ethtool.
- Extended SO_TIMESTAMPING API for PHC binding.
- Converted HW timestamps to PHC bound, instead of previous
binding domain value to PHC idea.
- Other minor fixes.
Changes for v4:
- Used do_aux_work callback for vclock refreshing instead.
- Used unsigned int for vclocks number, and max_vclocks
for limitiation.
- Fixed mutex locking.
- Dynamically allocated memory for vclock index storage.
- Removed ethtool ioctl command for vclocks getting.
- Updated doc for ethtool phc vclocks get.
- Converted to mptcp_setsockopt_sol_socket_timestamping().
- Passed so_timestamping for sock_set_timestamping.
- Fixed checkpatch/build.
- Other minor fixed.
Yangbo Lu (11):
ptp: add ptp virtual clock driver framework
ptp: support ptp physical/virtual clocks conversion
ptp: track available ptp vclocks information
ptp: add kernel API ptp_get_vclocks_index()
ethtool: add a new command for getting PHC virtual clocks
ptp: add kernel API ptp_convert_timestamp()
mptcp: setsockopt: convert to
mptcp_setsockopt_sol_socket_timestamping()
net: sock: extend SO_TIMESTAMPING for PHC binding
net: socket: support hardware timestamp conversion to PHC bound
selftests/net: timestamping: support binding PHC
MAINTAINERS: add entry for PTP virtual clock driver
Documentation/ABI/testing/sysfs-ptp | 20 ++
Documentation/networking/ethtool-netlink.rst | 22 ++
MAINTAINERS | 7 +
drivers/ptp/Makefile | 2 +-
drivers/ptp/ptp_clock.c | 41 +++-
drivers/ptp/ptp_private.h | 39 ++++
drivers/ptp/ptp_sysfs.c | 160 ++++++++++++++
drivers/ptp/ptp_vclock.c | 219 +++++++++++++++++++
include/linux/ethtool.h | 10 +
include/linux/ptp_clock_kernel.h | 31 ++-
include/net/sock.h | 8 +-
include/uapi/linux/ethtool_netlink.h | 15 ++
include/uapi/linux/net_tstamp.h | 17 +-
net/core/sock.c | 65 +++++-
net/ethtool/Makefile | 2 +-
net/ethtool/common.c | 14 ++
net/ethtool/netlink.c | 10 +
net/ethtool/netlink.h | 2 +
net/ethtool/phc_vclocks.c | 94 ++++++++
net/mptcp/sockopt.c | 69 ++++--
net/socket.c | 19 +-
tools/testing/selftests/net/timestamping.c | 62 ++++--
22 files changed, 875 insertions(+), 53 deletions(-)
create mode 100644 drivers/ptp/ptp_vclock.c
create mode 100644 net/ethtool/phc_vclocks.c
base-commit: 19938bafa7ae8fc0a4a2c1c1430abb1a04668da1
--
2.25.1
^ permalink raw reply [flat|nested] 3+ messages in thread* [net-next, v4, 05/11] ethtool: add a new command for getting PHC virtual clocks 2021-06-25 9:35 [net-next, v4, 00/11] ptp: support virtual clocks and timestamping Yangbo Lu @ 2021-06-25 9:35 ` Yangbo Lu 2021-08-29 17:04 ` Michal Kubecek 0 siblings, 1 reply; 3+ messages in thread From: Yangbo Lu @ 2021-06-25 9:35 UTC (permalink / raw) To: netdev Cc: Yangbo Lu, linux-kernel, linux-kselftest, mptcp, Richard Cochran, David S . Miller, Jakub Kicinski, Mat Martineau, Matthieu Baerts, Shuah Khan, Michal Kubecek, Florian Fainelli, Andrew Lunn, Rui Sousa, Sebastien Laveze Add an interface for getting PHC (PTP Hardware Clock) virtual clocks, which are based on PHC physical clock providing hardware timestamp to network packets. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> --- Changes for v3: - Added this patch. Changes for v4: - Updated doc. - Removed ioctl command. - Replied only the number of vclock index. --- Documentation/networking/ethtool-netlink.rst | 22 +++++ include/linux/ethtool.h | 10 +++ include/uapi/linux/ethtool_netlink.h | 15 ++++ net/ethtool/Makefile | 2 +- net/ethtool/common.c | 13 +++ net/ethtool/netlink.c | 10 +++ net/ethtool/netlink.h | 2 + net/ethtool/phc_vclocks.c | 94 ++++++++++++++++++++ 8 files changed, 167 insertions(+), 1 deletion(-) create mode 100644 net/ethtool/phc_vclocks.c diff --git a/Documentation/networking/ethtool-netlink.rst b/Documentation/networking/ethtool-netlink.rst index 6ea91e41593f..c86628e6a235 100644 --- a/Documentation/networking/ethtool-netlink.rst +++ b/Documentation/networking/ethtool-netlink.rst @@ -212,6 +212,7 @@ Userspace to kernel: ``ETHTOOL_MSG_FEC_SET`` set FEC settings ``ETHTOOL_MSG_MODULE_EEPROM_GET`` read SFP module EEPROM ``ETHTOOL_MSG_STATS_GET`` get standard statistics + ``ETHTOOL_MSG_PHC_VCLOCKS_GET`` get PHC virtual clocks info ===================================== ================================ Kernel to userspace: @@ -250,6 +251,7 @@ Kernel to userspace: ``ETHTOOL_MSG_FEC_NTF`` FEC settings ``ETHTOOL_MSG_MODULE_EEPROM_GET_REPLY`` read SFP module EEPROM ``ETHTOOL_MSG_STATS_GET_REPLY`` standard statistics + ``ETHTOOL_MSG_PHC_VCLOCKS_GET_REPLY`` PHC virtual clocks info ======================================== ================================= ``GET`` requests are sent by userspace applications to retrieve device @@ -1477,6 +1479,25 @@ Low and high bounds are inclusive, for example: etherStatsPkts512to1023Octets 512 1023 ============================= ==== ==== +PHC_VCLOCKS_GET +=============== + +Query device PHC virtual clocks information. + +Request contents: + + ==================================== ====== ========================== + ``ETHTOOL_A_PHC_VCLOCKS_HEADER`` nested request header + ==================================== ====== ========================== + +Kernel response contents: + + ==================================== ====== ========================== + ``ETHTOOL_A_PHC_VCLOCKS_HEADER`` nested reply header + ``ETHTOOL_A_PHC_VCLOCKS_NUM`` u32 PHC virtual clocks number + ``ETHTOOL_A_PHC_VCLOCKS_INDEX`` s32 PHC index array + ==================================== ====== ========================== + Request translation =================== @@ -1575,4 +1596,5 @@ are netlink only. n/a ``ETHTOOL_MSG_CABLE_TEST_ACT`` n/a ``ETHTOOL_MSG_CABLE_TEST_TDR_ACT`` n/a ``ETHTOOL_MSG_TUNNEL_INFO_GET`` + n/a ``ETHTOOL_MSG_PHC_VCLOCKS_GET`` =================================== ===================================== diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index 29dbb603bc91..232daaec56e4 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -757,6 +757,16 @@ void ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings, enum ethtool_link_mode_bit_indices link_mode); +/** + * ethtool_get_phc_vclocks - Derive phc vclocks information, and caller + * is responsible to free memory of vclock_index + * @dev: pointer to net_device structure + * @vclock_index: pointer to pointer of vclock index + * + * Return number of phc vclocks + */ +int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index); + /** * ethtool_sprintf - Write formatted string to ethtool string data * @data: Pointer to start of string to update diff --git a/include/uapi/linux/ethtool_netlink.h b/include/uapi/linux/ethtool_netlink.h index c7135c9c37a5..b3b93710eff7 100644 --- a/include/uapi/linux/ethtool_netlink.h +++ b/include/uapi/linux/ethtool_netlink.h @@ -46,6 +46,7 @@ enum { ETHTOOL_MSG_FEC_SET, ETHTOOL_MSG_MODULE_EEPROM_GET, ETHTOOL_MSG_STATS_GET, + ETHTOOL_MSG_PHC_VCLOCKS_GET, /* add new constants above here */ __ETHTOOL_MSG_USER_CNT, @@ -88,6 +89,7 @@ enum { ETHTOOL_MSG_FEC_NTF, ETHTOOL_MSG_MODULE_EEPROM_GET_REPLY, ETHTOOL_MSG_STATS_GET_REPLY, + ETHTOOL_MSG_PHC_VCLOCKS_GET_REPLY, /* add new constants above here */ __ETHTOOL_MSG_KERNEL_CNT, @@ -440,6 +442,19 @@ enum { ETHTOOL_A_TSINFO_MAX = (__ETHTOOL_A_TSINFO_CNT - 1) }; +/* PHC VCLOCKS */ + +enum { + ETHTOOL_A_PHC_VCLOCKS_UNSPEC, + ETHTOOL_A_PHC_VCLOCKS_HEADER, /* nest - _A_HEADER_* */ + ETHTOOL_A_PHC_VCLOCKS_NUM, /* u32 */ + ETHTOOL_A_PHC_VCLOCKS_INDEX, /* array, s32 */ + + /* add new constants above here */ + __ETHTOOL_A_PHC_VCLOCKS_CNT, + ETHTOOL_A_PHC_VCLOCKS_MAX = (__ETHTOOL_A_PHC_VCLOCKS_CNT - 1) +}; + /* CABLE TEST */ enum { diff --git a/net/ethtool/Makefile b/net/ethtool/Makefile index 723c9a8a8cdf..0a19470efbfb 100644 --- a/net/ethtool/Makefile +++ b/net/ethtool/Makefile @@ -7,4 +7,4 @@ obj-$(CONFIG_ETHTOOL_NETLINK) += ethtool_nl.o ethtool_nl-y := netlink.o bitset.o strset.o linkinfo.o linkmodes.o \ linkstate.o debug.o wol.o features.o privflags.o rings.o \ channels.o coalesce.o pause.o eee.o tsinfo.o cabletest.o \ - tunnels.o fec.o eeprom.o stats.o + tunnels.o fec.o eeprom.o stats.o phc_vclocks.o diff --git a/net/ethtool/common.c b/net/ethtool/common.c index f9dcbad84788..798231b07676 100644 --- a/net/ethtool/common.c +++ b/net/ethtool/common.c @@ -4,6 +4,7 @@ #include <linux/net_tstamp.h> #include <linux/phy.h> #include <linux/rtnetlink.h> +#include <linux/ptp_clock_kernel.h> #include "common.h" @@ -554,6 +555,18 @@ int __ethtool_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) return 0; } +int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index) +{ + struct ethtool_ts_info info = { }; + int num = 0; + + if (!__ethtool_get_ts_info(dev, &info)) + num = ptp_get_vclocks_index(info.phc_index, vclock_index); + + return num; +} +EXPORT_SYMBOL(ethtool_get_phc_vclocks); + const struct ethtool_phy_ops *ethtool_phy_ops; void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops) diff --git a/net/ethtool/netlink.c b/net/ethtool/netlink.c index a7346346114f..73e0f5b626bf 100644 --- a/net/ethtool/netlink.c +++ b/net/ethtool/netlink.c @@ -248,6 +248,7 @@ ethnl_default_requests[__ETHTOOL_MSG_USER_CNT] = { [ETHTOOL_MSG_TSINFO_GET] = ðnl_tsinfo_request_ops, [ETHTOOL_MSG_MODULE_EEPROM_GET] = ðnl_module_eeprom_request_ops, [ETHTOOL_MSG_STATS_GET] = ðnl_stats_request_ops, + [ETHTOOL_MSG_PHC_VCLOCKS_GET] = ðnl_phc_vclocks_request_ops, }; static struct ethnl_dump_ctx *ethnl_dump_context(struct netlink_callback *cb) @@ -958,6 +959,15 @@ static const struct genl_ops ethtool_genl_ops[] = { .policy = ethnl_stats_get_policy, .maxattr = ARRAY_SIZE(ethnl_stats_get_policy) - 1, }, + { + .cmd = ETHTOOL_MSG_PHC_VCLOCKS_GET, + .doit = ethnl_default_doit, + .start = ethnl_default_start, + .dumpit = ethnl_default_dumpit, + .done = ethnl_default_done, + .policy = ethnl_phc_vclocks_get_policy, + .maxattr = ARRAY_SIZE(ethnl_phc_vclocks_get_policy) - 1, + }, }; static const struct genl_multicast_group ethtool_nl_mcgrps[] = { diff --git a/net/ethtool/netlink.h b/net/ethtool/netlink.h index 3e25a47fd482..3fc395c86702 100644 --- a/net/ethtool/netlink.h +++ b/net/ethtool/netlink.h @@ -347,6 +347,7 @@ extern const struct ethnl_request_ops ethnl_tsinfo_request_ops; extern const struct ethnl_request_ops ethnl_fec_request_ops; extern const struct ethnl_request_ops ethnl_module_eeprom_request_ops; extern const struct ethnl_request_ops ethnl_stats_request_ops; +extern const struct ethnl_request_ops ethnl_phc_vclocks_request_ops; extern const struct nla_policy ethnl_header_policy[ETHTOOL_A_HEADER_FLAGS + 1]; extern const struct nla_policy ethnl_header_policy_stats[ETHTOOL_A_HEADER_FLAGS + 1]; @@ -382,6 +383,7 @@ extern const struct nla_policy ethnl_fec_get_policy[ETHTOOL_A_FEC_HEADER + 1]; extern const struct nla_policy ethnl_fec_set_policy[ETHTOOL_A_FEC_AUTO + 1]; extern const struct nla_policy ethnl_module_eeprom_get_policy[ETHTOOL_A_MODULE_EEPROM_I2C_ADDRESS + 1]; extern const struct nla_policy ethnl_stats_get_policy[ETHTOOL_A_STATS_GROUPS + 1]; +extern const struct nla_policy ethnl_phc_vclocks_get_policy[ETHTOOL_A_PHC_VCLOCKS_HEADER + 1]; int ethnl_set_linkinfo(struct sk_buff *skb, struct genl_info *info); int ethnl_set_linkmodes(struct sk_buff *skb, struct genl_info *info); diff --git a/net/ethtool/phc_vclocks.c b/net/ethtool/phc_vclocks.c new file mode 100644 index 000000000000..637b2f5297d5 --- /dev/null +++ b/net/ethtool/phc_vclocks.c @@ -0,0 +1,94 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright 2021 NXP + */ +#include "netlink.h" +#include "common.h" + +struct phc_vclocks_req_info { + struct ethnl_req_info base; +}; + +struct phc_vclocks_reply_data { + struct ethnl_reply_data base; + int num; + int *index; +}; + +#define PHC_VCLOCKS_REPDATA(__reply_base) \ + container_of(__reply_base, struct phc_vclocks_reply_data, base) + +const struct nla_policy ethnl_phc_vclocks_get_policy[] = { + [ETHTOOL_A_PHC_VCLOCKS_HEADER] = NLA_POLICY_NESTED(ethnl_header_policy), +}; + +static int phc_vclocks_prepare_data(const struct ethnl_req_info *req_base, + struct ethnl_reply_data *reply_base, + struct genl_info *info) +{ + struct phc_vclocks_reply_data *data = PHC_VCLOCKS_REPDATA(reply_base); + struct net_device *dev = reply_base->dev; + int ret; + + ret = ethnl_ops_begin(dev); + if (ret < 0) + return ret; + data->num = ethtool_get_phc_vclocks(dev, &data->index); + ethnl_ops_complete(dev); + + return ret; +} + +static int phc_vclocks_reply_size(const struct ethnl_req_info *req_base, + const struct ethnl_reply_data *reply_base) +{ + const struct phc_vclocks_reply_data *data = + PHC_VCLOCKS_REPDATA(reply_base); + int len = 0; + + if (data->num > 0) { + len += nla_total_size(sizeof(u32)); + len += nla_total_size(sizeof(s32) * data->num); + } + + return len; +} + +static int phc_vclocks_fill_reply(struct sk_buff *skb, + const struct ethnl_req_info *req_base, + const struct ethnl_reply_data *reply_base) +{ + const struct phc_vclocks_reply_data *data = + PHC_VCLOCKS_REPDATA(reply_base); + + if (data->num <= 0) + return 0; + + if (nla_put_u32(skb, ETHTOOL_A_PHC_VCLOCKS_NUM, data->num) || + nla_put(skb, ETHTOOL_A_PHC_VCLOCKS_INDEX, + sizeof(s32) * data->num, data->index)) + return -EMSGSIZE; + + return 0; +} + +static void phc_vclocks_cleanup_data(struct ethnl_reply_data *reply_base) +{ + const struct phc_vclocks_reply_data *data = + PHC_VCLOCKS_REPDATA(reply_base); + + kfree(data->index); +} + +const struct ethnl_request_ops ethnl_phc_vclocks_request_ops = { + .request_cmd = ETHTOOL_MSG_PHC_VCLOCKS_GET, + .reply_cmd = ETHTOOL_MSG_PHC_VCLOCKS_GET_REPLY, + .hdr_attr = ETHTOOL_A_PHC_VCLOCKS_HEADER, + .req_info_size = sizeof(struct phc_vclocks_req_info), + .reply_data_size = sizeof(struct phc_vclocks_reply_data), + + .prepare_data = phc_vclocks_prepare_data, + .reply_size = phc_vclocks_reply_size, + .fill_reply = phc_vclocks_fill_reply, + .cleanup_data = phc_vclocks_cleanup_data, +}; -- 2.25.1 ^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [net-next, v4, 05/11] ethtool: add a new command for getting PHC virtual clocks 2021-06-25 9:35 ` [net-next, v4, 05/11] ethtool: add a new command for getting PHC virtual clocks Yangbo Lu @ 2021-08-29 17:04 ` Michal Kubecek 0 siblings, 0 replies; 3+ messages in thread From: Michal Kubecek @ 2021-08-29 17:04 UTC (permalink / raw) To: Yangbo Lu Cc: netdev, linux-kernel, linux-kselftest, mptcp, Richard Cochran, David S . Miller, Jakub Kicinski, Mat Martineau, Matthieu Baerts, Shuah Khan, Florian Fainelli, Andrew Lunn, Rui Sousa, Sebastien Laveze [-- Attachment #1: Type: text/plain, Size: 3236 bytes --] On Fri, Jun 25, 2021 at 05:35:07PM +0800, Yangbo Lu wrote: > Add an interface for getting PHC (PTP Hardware Clock) > virtual clocks, which are based on PHC physical clock > providing hardware timestamp to network packets. > > Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Hello, do you plan to submit also an ethtool (userspace utility) patch using this interface? Michal > --- > Changes for v3: > - Added this patch. > Changes for v4: > - Updated doc. > - Removed ioctl command. > - Replied only the number of vclock index. > --- > Documentation/networking/ethtool-netlink.rst | 22 +++++ > include/linux/ethtool.h | 10 +++ > include/uapi/linux/ethtool_netlink.h | 15 ++++ > net/ethtool/Makefile | 2 +- > net/ethtool/common.c | 13 +++ > net/ethtool/netlink.c | 10 +++ > net/ethtool/netlink.h | 2 + > net/ethtool/phc_vclocks.c | 94 ++++++++++++++++++++ > 8 files changed, 167 insertions(+), 1 deletion(-) > create mode 100644 net/ethtool/phc_vclocks.c > > diff --git a/Documentation/networking/ethtool-netlink.rst b/Documentation/networking/ethtool-netlink.rst > index 6ea91e41593f..c86628e6a235 100644 > --- a/Documentation/networking/ethtool-netlink.rst > +++ b/Documentation/networking/ethtool-netlink.rst > @@ -212,6 +212,7 @@ Userspace to kernel: > ``ETHTOOL_MSG_FEC_SET`` set FEC settings > ``ETHTOOL_MSG_MODULE_EEPROM_GET`` read SFP module EEPROM > ``ETHTOOL_MSG_STATS_GET`` get standard statistics > + ``ETHTOOL_MSG_PHC_VCLOCKS_GET`` get PHC virtual clocks info > ===================================== ================================ > > Kernel to userspace: > @@ -250,6 +251,7 @@ Kernel to userspace: > ``ETHTOOL_MSG_FEC_NTF`` FEC settings > ``ETHTOOL_MSG_MODULE_EEPROM_GET_REPLY`` read SFP module EEPROM > ``ETHTOOL_MSG_STATS_GET_REPLY`` standard statistics > + ``ETHTOOL_MSG_PHC_VCLOCKS_GET_REPLY`` PHC virtual clocks info > ======================================== ================================= > > ``GET`` requests are sent by userspace applications to retrieve device > @@ -1477,6 +1479,25 @@ Low and high bounds are inclusive, for example: > etherStatsPkts512to1023Octets 512 1023 > ============================= ==== ==== > > +PHC_VCLOCKS_GET > +=============== > + > +Query device PHC virtual clocks information. > + > +Request contents: > + > + ==================================== ====== ========================== > + ``ETHTOOL_A_PHC_VCLOCKS_HEADER`` nested request header > + ==================================== ====== ========================== > + > +Kernel response contents: > + > + ==================================== ====== ========================== > + ``ETHTOOL_A_PHC_VCLOCKS_HEADER`` nested reply header > + ``ETHTOOL_A_PHC_VCLOCKS_NUM`` u32 PHC virtual clocks number > + ``ETHTOOL_A_PHC_VCLOCKS_INDEX`` s32 PHC index array > + ==================================== ====== ========================== [...] [-- Attachment #2: signature.asc --] [-- Type: application/pgp-signature, Size: 488 bytes --] ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2021-08-29 17:04 UTC | newest] Thread overview: 3+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2021-06-25 16:22 [net-next, v4, 05/11] ethtool: add a new command for getting PHC virtual clocks kernel test robot -- strict thread matches above, loose matches on Subject: below -- 2021-06-25 9:35 [net-next, v4, 00/11] ptp: support virtual clocks and timestamping Yangbo Lu 2021-06-25 9:35 ` [net-next, v4, 05/11] ethtool: add a new command for getting PHC virtual clocks Yangbo Lu 2021-08-29 17:04 ` Michal Kubecek
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.