[dpdk-dev] [PATCH v1] net/tap: allow user MAC to be passed as args
Varghese, Vipin
vipin.varghese at intel.com
Wed Mar 7 10:44:10 CET 2018
Hi Ferruh,
You are correct about this, I will add initialization send a next version patch.
> -----Original Message-----
> From: Yigit, Ferruh
> Sent: Tuesday, March 6, 2018 4:42 PM
> To: Varghese, Vipin <vipin.varghese at intel.com>; dev at dpdk.org;
> pascal.mazon at 6wind.com
> Cc: Jain, Deepak K <deepak.k.jain at intel.com>
> Subject: Re: [PATCH v1] net/tap: allow user MAC to be passed as args
>
> On 2/12/2018 2:44 PM, Vipin Varghese wrote:
> > Allow TAP PMD to pass user desired MAC address as argument.
> > The argument value is processed as string delimited by ':', is parsed
> > and converted to HEX MAC address after validation.
> >
> > Signed-off-by: Vipin Varghese <vipin.varghese at intel.com>
> > Signed-off-by: Pascal Mazon <pascal.mazon at 6wind.com>
>
> <...>
>
> > @@ -1589,7 +1630,7 @@ enum ioctl_mode {
> > int speed;
> > char tap_name[RTE_ETH_NAME_MAX_LEN];
> > char remote_iface[RTE_ETH_NAME_MAX_LEN];
> > - int fixed_mac_type = 0;
> > + struct ether_addr user_mac;
> >
> > name = rte_vdev_device_name(dev);
> > params = rte_vdev_device_args(dev);
> > @@ -1626,7 +1667,7 @@ enum ioctl_mode {
> > ret = rte_kvargs_process(kvlist,
> > ETH_TAP_MAC_ARG,
> > &set_mac_type,
> > - &fixed_mac_type);
> > + &user_mac);
> > if (ret == -1)
> > goto leave;
> > }
> > @@ -1637,7 +1678,7 @@ enum ioctl_mode {
> > RTE_LOG(NOTICE, PMD, "Initializing pmd_tap for %s as %s\n",
> > name, tap_name);
> >
> > - ret = eth_dev_tap_create(dev, tap_name, remote_iface,
> fixed_mac_type);
> > + ret = eth_dev_tap_create(dev, tap_name, remote_iface, &user_mac);
>
> "user_mac" without initial value is leading error when no "mac" argument is
> provided. It should be zeroed out.
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