From: James McLaughlin james.mclaughlin@qsc.com
stable inclusion from stable-v5.10.90 commit b7c9a1427b32723b583da6d44d833e9b246d4a94 bugzilla: 186168 https://gitee.com/openeuler/kernel/issues/I4SHY1
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
--------------------------------
[ Upstream commit f85846bbf43de38fb2c89fe7d2a085608c4eb25a ]
Time synchronization was not properly enabled on non-MSI-X platforms.
Fixes: 2c344ae24501 ("igc: Add support for TX timestamping") Signed-off-by: James McLaughlin james.mclaughlin@qsc.com Reviewed-by: Vinicius Costa Gomes vinicius.gomes@intel.com Tested-by: Nechama Kraus nechamax.kraus@linux.intel.com Signed-off-by: Tony Nguyen anthony.l.nguyen@intel.com Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Chen Jun chenjun102@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- drivers/net/ethernet/intel/igc/igc_main.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 4dade27dac11..ee0a597e5b02 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -4405,6 +4405,9 @@ static irqreturn_t igc_intr_msi(int irq, void *data) mod_timer(&adapter->watchdog_timer, jiffies + 1); }
+ if (icr & IGC_ICR_TS) + igc_tsync_interrupt(adapter); + napi_schedule(&q_vector->napi);
return IRQ_HANDLED; @@ -4448,6 +4451,9 @@ static irqreturn_t igc_intr(int irq, void *data) mod_timer(&adapter->watchdog_timer, jiffies + 1); }
+ if (icr & IGC_ICR_TS) + igc_tsync_interrupt(adapter); + napi_schedule(&q_vector->napi);
return IRQ_HANDLED;