From: "Lu, Wenzhuo" <wenzhuo.lu@intel.com>
To: "Bie, Tiwei" <tiwei.bie@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH] net/ixgbe: clean up rte_eth_dev_info_get
Date: Wed, 25 Jan 2017 05:13:32 +0000 [thread overview]
Message-ID: <6A0DE07E22DDAD4C9103DF62FEBC09093B55DCF6@shsmsx102.ccr.corp.intel.com> (raw)
In-Reply-To: <20170125031647.GA6019@debian>
Hi Tiwei,
> -----Original Message-----
> From: Bie, Tiwei
> Sent: Wednesday, January 25, 2017 11:17 AM
> To: Lu, Wenzhuo
> Cc: dev@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH] net/ixgbe: clean up rte_eth_dev_info_get
>
> On Wed, Jan 25, 2017 at 10:39:22AM +0800, Wenzhuo Lu wrote:
> > It'not appropriate to call rte_eth_dev_info_get in PMD, as
> > rte_eth_dev_info_get need to get info from PMD.
> > Remove rte_eth_dev_info_get from PMD code and get the info directly.
> >
> > Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
> > ---
> > drivers/net/ixgbe/ixgbe_ethdev.c | 144
> > ++++++++++++++++++---------------------
> > 1 file changed, 68 insertions(+), 76 deletions(-)
> >
> > diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c
> > b/drivers/net/ixgbe/ixgbe_ethdev.c
> > index 64ce55a..f14a68b 100644
> > --- a/drivers/net/ixgbe/ixgbe_ethdev.c
> > +++ b/drivers/net/ixgbe/ixgbe_ethdev.c
> > @@ -4401,17 +4401,17 @@ static int
> ixgbevf_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
> > int rar_entry;
> > uint8_t *new_mac = (uint8_t *)(mac_addr);
> > struct rte_eth_dev *dev;
> > - struct rte_eth_dev_info dev_info;
> > + struct rte_pci_device *pci_dev;
> >
> > RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
> >
> > dev = &rte_eth_devices[port];
> > - rte_eth_dev_info_get(port, &dev_info);
> > + pci_dev = IXGBE_DEV_TO_PCI(dev);
> >
> > - if (is_ixgbe_pmd(dev_info.driver_name) != 0)
> > + if (is_ixgbe_pmd(dev->data->drv_name))
> > return -ENOTSUP;
> >
>
> The return value of is_ixgbe_pmd() is not boolean (actually I think it should be
> based on its name). If we omit the comparison with 0, the code looks weird. It
> looks like it'll return -ENOTSUP if the port's driver is ixgbe PMD.
Yes, it’s weird. But what makes it weird is not the missing comparison but the function name.
Better changing it to ixgbe_pmd_check. How about it?
>
> Best regards,
> Tiwei Bie
next prev parent reply other threads:[~2017-01-25 5:13 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-25 2:39 Wenzhuo Lu
2017-01-25 3:16 ` Tiwei Bie
2017-01-25 5:13 ` Lu, Wenzhuo [this message]
2017-01-25 5:24 ` Tiwei Bie
2017-01-30 12:15 ` Ferruh Yigit
2017-02-03 6:50 ` Lu, Wenzhuo
2017-02-03 11:52 ` Ferruh Yigit
2017-02-01 16:24 ` Ananyev, Konstantin
2017-02-01 17:40 ` Ferruh Yigit
2017-02-01 18:10 ` Ananyev, Konstantin
2017-02-01 18:18 ` Ferruh Yigit
2017-02-03 9:21 ` Iremonger, Bernard
2017-02-03 9:49 ` Ananyev, Konstantin
2017-02-03 10:02 ` Iremonger, Bernard
2017-02-03 12:00 ` Ferruh Yigit
2017-02-06 2:09 ` [dpdk-dev] [PATCH v2] " Wenzhuo Lu
2017-02-06 2:30 ` Tiwei Bie
2017-02-06 2:41 ` Lu, Wenzhuo
2017-02-06 2:51 ` Tiwei Bie
2017-02-06 2:59 ` Lu, Wenzhuo
2017-02-06 3:08 ` Tiwei Bie
2017-02-06 3:45 ` Lu, Wenzhuo
2017-02-06 4:57 ` Tiwei Bie
2017-02-06 5:17 ` Lu, Wenzhuo
2017-02-06 5:26 ` Tiwei Bie
2017-02-07 6:33 ` [dpdk-dev] [PATCH v3] " Wenzhuo Lu
2017-02-07 14:08 ` Ferruh Yigit
2017-02-07 14:09 ` Ferruh Yigit
2017-02-08 0:54 ` Lu, Wenzhuo
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