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Date: Wed, 17 Mar 2021 09:32:46 +0800
From: Ong Boon Leong <boon.leong.ong@...el.com>
To: Giuseppe Cavallaro <peppe.cavallaro@...com>,
Alexandre Torgue <alexandre.torgue@...com>,
Jose Abreu <joabreu@...opsys.com>,
"David S . Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>
Cc: Maxime Coquelin <mcoquelin.stm32@...il.com>,
netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Ong Boon Leong <boon.leong.ong@...el.com>,
Voon Weifeng <weifeng.voon@...el.com>,
Wong Vee Khee <vee.khee.wong@...el.com>
Subject: [PATCH net-next 0/1] stmmac: add PCH and PSE PTP clock setting
Hi,
Intel mGBE controllers that are integrated into EHL, TGL SoC have
different clock source selection. This patch adds the required setting for
running linuxptp time-sync.
The patch has been tested on both PSE (/dev/ptp0) and PCH TSN(/dev/ptp2)
and the results for the time sync looks correct.
############################ PSE TSN ####################################
> cat gPTP.conf
[global]
gmCapable 1
priority1 248
priority2 248
logAnnounceInterval 0
logSyncInterval -3
syncReceiptTimeout 3
neighborPropDelayThresh 800
min_neighbor_prop_delay -20000000
assume_two_step 1
path_trace_enabled 1
follow_up_info 1
transportSpecific 0x1
ptp_dst_mac 01:80:C2:00:00:0E
network_transport L2
delay_mechanism P2P
ingressLatency 231
egressLatency 147
tx_timestamp_timeout 50
> /usr/local/sbin/ptp4l -v
3.1
#################################
# Start ptp4l eth0 [verbose mode]
#################################
> /usr/local/sbin/ptp4l -P2Hi eth0 -f gPTP.conf --step_threshold=1 -m
ptp4l[8380.510]: selected /dev/ptp0 as PTP clock
ptp4l[8380.535]: port 1: INITIALIZING to LISTENING on INIT_COMPLETE
ptp4l[8380.535]: port 0: INITIALIZING to LISTENING on INIT_COMPLETE
ptp4l[8381.655]: port 1: link down
ptp4l[8381.655]: port 1: LISTENING to FAULTY on FAULT_DETECTED (FT_UNSPECIFIED)
ptp4l[8381.676]: selected local clock f6cd9d.fffe.e6dc36 as best master
ptp4l[8381.676]: port 1: assuming the grand master role
ptp4l[8383.705]: port 1: link up
ptp4l[8383.727]: port 1: FAULTY to LISTENING on INIT_COMPLETE
ptp4l[8387.099]: port 1: LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES
ptp4l[8387.099]: selected local clock f6cd9d.fffe.e6dc36 as best master
ptp4l[8387.099]: port 1: assuming the grand master role
ptp4l[8388.357]: port 1: new foreign master d63d87.fffe.60a9eb-1
ptp4l[8390.357]: selected best master clock d63d87.fffe.60a9eb
ptp4l[8390.357]: port 1: MASTER to UNCALIBRATED on RS_SLAVE
ptp4l[8390.981]: port 1: UNCALIBRATED to SLAVE on MASTER_CLOCK_SELECTED
ptp4l[8391.607]: rms 24333463708388 max 48666927416912 freq -1919 +/- 725 delay 101 +/- 0
ptp4l[8392.607]: rms 2 max 6 freq -2194 +/- 3 delay 101 +/- 0
ptp4l[8393.607]: rms 5 max 10 freq -2192 +/- 7 delay 101 +/- 0
ptp4l[8394.607]: rms 4 max 5 freq -2195 +/- 5 delay 100 +/- 0
ptp4l[8395.607]: rms 4 max 9 freq -2198 +/- 4 delay 100 +/- 0
ptp4l[8396.607]: rms 5 max 9 freq -2201 +/- 6 delay 100 +/- 0
ptp4l[8397.607]: rms 6 max 8 freq -2196 +/- 8 delay 101 +/- 0
ptp4l[8398.607]: rms 5 max 9 freq -2195 +/- 7 delay 102 +/- 0
ptp4l[8399.607]: rms 7 max 13 freq -2199 +/- 9 delay 102 +/- 0
ptp4l[8400.608]: rms 6 max 14 freq -2198 +/- 8 delay 101 +/- 0
ptp4l[8401.608]: rms 8 max 10 freq -2195 +/- 10 delay 101 +/- 0
#########################################################################
############################ PCH TSN ####################################
> cat gPTP.conf
[global]
gmCapable 1
priority1 248
priority2 248
logAnnounceInterval 0
logSyncInterval -3
syncReceiptTimeout 3
neighborPropDelayThresh 800
min_neighbor_prop_delay -20000000
assume_two_step 1
path_trace_enabled 1
follow_up_info 1
transportSpecific 0x1
ptp_dst_mac 01:80:C2:00:00:0E
network_transport L2
delay_mechanism P2P
ingressLatency 503
egressLatency 275
tx_timestamp_timeout 50
> /usr/local/sbin/ptp4l -v
3.1
#################################
# Start ptp4l eth2 [verbose mode]
#################################
> /usr/local/sbin/ptp4l -P2Hi eth2 -f gPTP.conf --step_threshold=1 -m
ptp4l[8526.902]: selected /dev/ptp2 as PTP clock
ptp4l[8526.957]: port 1: INITIALIZING to LISTENING on INIT_COMPLETE
ptp4l[8526.957]: port 0: INITIALIZING to LISTENING on INIT_COMPLETE
ptp4l[8526.957]: port 1: link down
ptp4l[8526.957]: port 1: LISTENING to FAULTY on FAULT_DETECTED (FT_UNSPECIFIED)
ptp4l[8526.978]: selected local clock 7ab054.fffe.8aaa86 as best master
ptp4l[8526.979]: port 1: assuming the grand master role
ptp4l[8528.026]: port 1: link up
ptp4l[8528.058]: port 1: FAULTY to LISTENING on INIT_COMPLETE
ptp4l[8531.070]: port 1: LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES
ptp4l[8531.070]: selected local clock 7ab054.fffe.8aaa86 as best master
ptp4l[8531.070]: port 1: assuming the grand master role
ptp4l[8532.878]: port 1: new foreign master 5ee86b.fffe.dd4586-1
ptp4l[8534.878]: selected best master clock 5ee86b.fffe.dd4586
ptp4l[8534.878]: port 1: MASTER to UNCALIBRATED on RS_SLAVE
ptp4l[8535.387]: port 1: UNCALIBRATED to SLAVE on MASTER_CLOCK_SELECTED
ptp4l[8536.012]: rms 24333477164408 max 48666954328964 freq -1980 +/- 749 delay 224 +/- 0
ptp4l[8537.012]: rms 48 max 61 freq -2195 +/- 13 delay 221 +/- 0
ptp4l[8538.012]: rms 29 max 43 freq -2182 +/- 6 delay 221 +/- 0
ptp4l[8539.012]: rms 13 max 27 freq -2192 +/- 14 delay 221 +/- 0
ptp4l[8540.012]: rms 8 max 13 freq -2205 +/- 10 delay 221 +/- 0
ptp4l[8541.013]: rms 12 max 20 freq -2217 +/- 13 delay 224 +/- 0
ptp4l[8542.013]: rms 7 max 17 freq -2214 +/- 10 delay 221 +/- 0
ptp4l[8543.013]: rms 7 max 11 freq -2208 +/- 10 delay 221 +/- 0
ptp4l[8544.013]: rms 8 max 16 freq -2214 +/- 10 delay 220 +/- 0
#########################################################################
Thanks
Boon Leong
Wong, Vee Khee (1):
stmmac: intel: Add PSE and PCH PTP clock source selection
.../net/ethernet/stmicro/stmmac/dwmac-intel.c | 46 +++++++++++++++++++
drivers/net/ethernet/stmicro/stmmac/dwmac4.h | 7 +++
.../net/ethernet/stmicro/stmmac/stmmac_ptp.c | 3 ++
include/linux/stmmac.h | 1 +
4 files changed, 57 insertions(+)
--
2.25.1
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