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net/tap: keep kernel-assigned MAC address

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There's no point in having a different internal MAC address than the one
provided by the kernel when creating the netdevice.

Signed-off-by: Pascal Mazon <pascal.mazon@6wind.com>
Acked-by: Keith Wiles <keith.wiles@intel.com>
This commit is contained in:
Pascal Mazon 2017-02-02 17:18:01 +01:00 committed by Ferruh Yigit
parent 455c14e974
commit 634dbc7aa7
1 changed files with 0 additions and 22 deletions
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22
drivers/net/tap/rte_eth_tap.c
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@ -553,28 +553,6 @@ pmd_mac_address(int fd, struct rte_eth_dev *dev, struct ether_addr *addr)
return -1;
}
/* Set the host based MAC address to this special MAC format */
ifr.ifr_hwaddr.sa_data[0] = 'T';
ifr.ifr_hwaddr.sa_data[1] = 'a';
ifr.ifr_hwaddr.sa_data[2] = 'p';
ifr.ifr_hwaddr.sa_data[3] = '-';
ifr.ifr_hwaddr.sa_data[4] = dev->data->port_id;
ifr.ifr_hwaddr.sa_data[5] = dev->data->numa_node;
if (ioctl(fd, SIOCSIFHWADDR, &ifr) == -1) {
RTE_LOG(ERR, PMD, "%s: ioctl failed (SIOCSIFHWADDR) (%s)\n",
dev->data->name, ifr.ifr_name);
return -1;
}
/* Set the local application MAC address, needs to be different then
* the host based MAC address.
*/
ifr.ifr_hwaddr.sa_data[0] = 'd';
ifr.ifr_hwaddr.sa_data[1] = 'n';
ifr.ifr_hwaddr.sa_data[2] = 'e';
ifr.ifr_hwaddr.sa_data[3] = 't';
ifr.ifr_hwaddr.sa_data[4] = dev->data->port_id;
ifr.ifr_hwaddr.sa_data[5] = dev->data->numa_node;
rte_memcpy(addr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
return 0;