[dpdk-dev] [PATCH v2] net/ice: invoke callback func when link status change

[Rong, Leyi]

> -----Original Message-----
> From: Ye, Xiaolong
> Sent: Wednesday, October 16, 2019 2:41 PM
> To: Rong, Leyi <leyi.rong at intel.com>
> Cc: Lu, Wenzhuo <wenzhuo.lu at intel.com>; Zhang, Qi Z <qi.z.zhang at intel.com>;
> dev at dpdk.org
> Subject: Re: [PATCH v2] net/ice: invoke callback func when link status change
> 
> On 10/16, Leyi Rong wrote:
> >Needs to call _rte_eth_dev_callback_process to run registered callbacks
> >when link status change.
> >
> 
> Is it a must to call _rte_eth_dev_callback_process after link status change, I see
> ice_link_update is also called in ice_dev_start, do we need to apply the same
> change there too?
> 

I think no needs to invoke the same callback in ice_dev_start, as it's not triggered by event
in start process.

> Thanks,
> Xiaolong
> 
> >Fixes: cf911d90e366 ("net/ice: support link update")
> >
> >Signed-off-by: Leyi Rong <leyi.rong at intel.com>
> >
> >---
> >v2:
> >- adds fixline in commit log.
> >---
> > drivers/net/ice/ice_ethdev.c | 6 +++++-
> > 1 file changed, 5 insertions(+), 1 deletion(-)
> >
> >diff --git a/drivers/net/ice/ice_ethdev.c
> >b/drivers/net/ice/ice_ethdev.c index 5567beb55..092f10d47 100644
> >--- a/drivers/net/ice/ice_ethdev.c
> >+++ b/drivers/net/ice/ice_ethdev.c
> >@@ -1303,6 +1303,7 @@ ice_interrupt_handler(void *param)
> > 	uint8_t pf_num;
> > 	uint8_t event;
> > 	uint16_t queue;
> >+	int ret;
> > #ifdef ICE_LSE_SPT
> > 	uint32_t int_fw_ctl;
> > #endif
> >@@ -1330,7 +1331,10 @@ ice_interrupt_handler(void *param)  #else
> > 	if (oicr & PFINT_OICR_LINK_STAT_CHANGE_M) {
> > 		PMD_DRV_LOG(INFO, "OICR: link state change event");
> >-		ice_link_update(dev, 0);
> >+		ret = ice_link_update(dev, 0);
> >+		if (!ret)
> >+			_rte_eth_dev_callback_process
> >+				(dev, RTE_ETH_EVENT_INTR_LSC, NULL);
> > 	}
> > #endif
> >
> >--
> >2.17.1
> >