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qed: Pass MAC hints to VFs 

Some hypervisors can support MAC hints to their VFs.
Even though we don't have such a hypervisor API in linux, we add
sufficient logic for the VF to be able to receive such hints and
set the mac accordingly - as long as the VF has not been set with
a MAC already.

Signed-off-by: Yuval Mintz <Yuval.Mintz@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yuval Mintz 2016-10-14 05:19:17 -04:00 committed by David S. Miller
parent d0b3fbb230
commit c3aaa40384
3 changed files with 8 additions and 4 deletions
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4
drivers/net/ethernet/qlogic/qed/qed_vf.c
View File

@ -1230,8 +1230,8 @@ static void qed_handle_bulletin_change(struct qed_hwfn *hwfn)
is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac,
&is_mac_forced);
if (is_mac_exist && is_mac_forced && cookie)
ops->force_mac(cookie, mac);
if (is_mac_exist && cookie)
ops->force_mac(cookie, mac, !!is_mac_forced);
/* Always update link configuration according to bulletin */
qed_link_update(hwfn);

6
drivers/net/ethernet/qlogic/qede/qede_main.c
View File

@ -171,10 +171,14 @@ static struct pci_driver qede_pci_driver = {
#endif
};
static void qede_force_mac(void *dev, u8 *mac)
static void qede_force_mac(void *dev, u8 *mac, bool forced)
{
struct qede_dev *edev = dev;
/* MAC hints take effect only if we haven't set one already */
if (is_valid_ether_addr(edev->ndev->dev_addr) && !forced)
return;
ether_addr_copy(edev->ndev->dev_addr, mac);
ether_addr_copy(edev->primary_mac, mac);
}

2
include/linux/qed/qed_eth_if.h
View File

@ -129,7 +129,7 @@ struct qed_tunn_params {
struct qed_eth_cb_ops {
struct qed_common_cb_ops common;
void (*force_mac) (void *dev, u8 *mac);
void (*force_mac) (void *dev, u8 *mac, bool forced);
};
#ifdef CONFIG_DCB