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Message-Id: <20231107112023.676016-1-faizal.abdul.rahim@linux.intel.com> Date: Tue, 7 Nov 2023 06:20:16 -0500 From: Faizal Rahim <faizal.abdul.rahim@...ux.intel.com> To: Vladimir Oltean <vladimir.oltean@....com>, Vinicius Costa Gomes <vinicius.gomes@...el.com>, Jamal Hadi Salim <jhs@...atatu.com>, Cong Wang <xiyou.wangcong@...il.com>, Jiri Pirko <jiri@...nulli.us>, "David S . Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com> Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH v2 net 0/7] qbv cycle time extension/truncation According to IEEE Std. 802.1Q-2018 section Q.5 CycleTimeExtension, the Cycle Time Extension variable allows this extension of the last old cycle to be done in a defined way. If the last complete old cycle would normally end less than OperCycleTimeExtension nanoseconds before the new base time, then the last complete cycle before AdminBaseTime is reached is extended so that it ends at AdminBaseTime. Changes in v2: - Added 's64 cycle_time_correction' in 'sched_gate_list struct'. - Removed sched_changed created in v1 since the new cycle_time_correction field can also serve to indicate the need for a schedule change. - Added 'bool correction_active' in 'struct sched_entry' to represent the correction state from the entry's perspective and return corrected interval value when active. - Fix cycle time correction logics for the next entry in advance_sched() - Fix and implement proper cycle time correction logics for current entry in taprio_start_sched() v1 at: https://lore.kernel.org/lkml/20230530082541.495-1-muhammad.husaini.zulkifli@intel.com/ Faizal Rahim (7): net/sched: taprio: fix too early schedules switching net/sched: taprio: fix cycle time adjustment for next entry net/sched: taprio: update impacted fields during cycle time adjustment net/sched: taprio: get corrected value of cycle_time and interval net/sched: taprio: fix delayed switching to new schedule after timer expiry net/sched: taprio: fix q->current_entry is NULL before its expiry net/sched: taprio: enable cycle time adjustment for current entry net/sched/sch_taprio.c | 263 ++++++++++++++++++++++++++++++++--------- 1 file changed, 209 insertions(+), 54 deletions(-) -- 2.25.1
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