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From: "Dumitrescu, Cristian" <cristian.dumitrescu@intel.com>
To: "Ajmera, Megha" <megha.ajmera@intel.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"Singh, Jasvinder" <jasvinder.singh@intel.com>
Cc: "stable@dpdk.org" <stable@dpdk.org>
Subject: RE: [PATCH 3/3] sched: support for 100G+ rates in subport/pipe config
Date: Tue, 18 Oct 2022 13:12:10 +0000	[thread overview]
Message-ID: <CH0PR11MB572406C980FD4F786385C8E3EB289@CH0PR11MB5724.namprd11.prod.outlook.com> (raw)
In-Reply-To: <SA0PR11MB4670AB1BD19701A36630D82897289@SA0PR11MB4670.namprd11.prod.outlook.com>



> -----Original Message-----
> From: Ajmera, Megha <megha.ajmera@intel.com>
> Sent: Tuesday, October 18, 2022 6:40 AM
> To: Dumitrescu, Cristian <cristian.dumitrescu@intel.com>; dev@dpdk.org;
> Singh, Jasvinder <jasvinder.singh@intel.com>
> Cc: stable@dpdk.org
> Subject: RE: [PATCH 3/3] sched: support for 100G+ rates in subport/pipe
> config
> 
> > >  		entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 12 rate");
> > >  		if (entry)
> > > -			subport_profile[i].tc_rate[12] = (uint64_t)atoi(entry);
> > > +			subport_profile[i].tc_rate[12] = atol(entry);
> > >  	}
> > >
> > >  	return 0;
> > > --
> > > 2.25.1
> >
> > Hi Megha,
> >
> > Maybe you can explain how removing this typecast can provide support for
> > 100+G rates?
> >
> > The atoi() function returns a 32-bit value, while the subport and pipe rates
> are
> > 64-bit values; this typecast can at most remove a compiler warning ...
> 
> Hi Cristian,
> 
> We have now changed 'atoi' to 'atol' which will return 64-bit value so it will
> take care of 100G+ port speeds. However, I noticed that 'atol' will return
> signed-64-bit so typecast may still be needed to assign it to unsigned-64-bit
> variable. Will send updated patch today.
> 
> Regards,
> Megha

You need to use 'atoll', not 'atol'.  And yes, typecast is still required.

  reply	other threads:[~2022-10-18 13:12 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-05 17:22 [PATCH v2] sched: Fix subport profile id not set correctly Megha Ajmera
2022-10-05 19:19 ` Dumitrescu, Cristian
2022-10-11  4:59   ` Ajmera, Megha
2022-10-06 19:00 ` [PATCH 1/3] sched: fix " Megha Ajmera
2022-10-06 19:00   ` [PATCH 2/3] sched: removed unused subport field in hqos profile Megha Ajmera
2022-10-11 14:26     ` Dumitrescu, Cristian
2022-10-06 19:00   ` [PATCH 3/3] sched: support for 100G+ rates in subport/pipe config Megha Ajmera
2022-10-11 13:09     ` Dumitrescu, Cristian
2022-10-18  5:40       ` Ajmera, Megha
2022-10-18 13:12         ` Dumitrescu, Cristian [this message]
2022-10-19 18:37           ` Stephen Hemminger
2022-10-20  9:47             ` [PATCH v4 1/3] sched: fix subport profile ID Megha Ajmera
2022-10-20  9:47               ` [PATCH v4 2/3] sched: fix number of subport profiles Megha Ajmera
2022-10-20  9:47               ` [PATCH v4 3/3] sched: support for 100G+ rates in subport/pipe config Megha Ajmera
2022-10-24 18:57                 ` Dumitrescu, Cristian
2022-10-20  9:55             ` [PATCH " Ajmera, Megha
2022-10-11 14:22   ` [PATCH 1/3] sched: fix subport profile id not set correctly Dumitrescu, Cristian
2022-10-28  8:09   ` [PATCH v5 1/3] sched: fix subport profile ID Megha Ajmera
2022-10-28  8:09     ` [PATCH v5 2/3] sched: fix number of subport profiles Megha Ajmera
2022-10-28  8:09     ` [PATCH v5 3/3] sched: support for 100G+ rates in subport/pipe config Megha Ajmera
2022-10-28  9:55   ` [PATCH v6 1/3] sched: fix subport profile ID Megha Ajmera
2022-10-28  9:55     ` [PATCH v6 2/3] sched: fix number of subport profiles Megha Ajmera
2022-10-28 14:02       ` David Marchand
2022-10-28  9:55     ` [PATCH v6 3/3] sched: support for 100G+ rates in subport/pipe config Megha Ajmera
2022-10-28 10:57       ` Dumitrescu, Cristian
2022-10-28 14:04         ` David Marchand
2022-10-28 14:01     ` [PATCH v6 1/3] sched: fix subport profile ID David Marchand

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