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authorYuval Mintz <Yuval.Mintz@caviumnetworks.com>2016-10-14 05:19:17 -0400
committerDavid S. Miller <davem@davemloft.net>2016-10-14 11:59:57 -0400
commitc3aaa403840a5ccd305fb5e73f3cbfac6453b5e5 (patch)
tree94b5d99c8bc049069890a8000e3567e3ffb5bd7b
parentd0b3fbb2306f27d622d4592f4dc3a1f726e68fed (diff)
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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>
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_vf.c4
-rw-r--r--drivers/net/ethernet/qlogic/qede/qede_main.c6
-rw-r--r--include/linux/qed/qed_eth_if.h2
3 files changed, 8 insertions, 4 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_vf.c b/drivers/net/ethernet/qlogic/qed/qed_vf.c
index abf5bf11f865..f580bf4c97f0 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_vf.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_vf.c
@@ -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);
diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c
index 343038ca047d..9866d952e3e1 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_main.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_main.c
@@ -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);
}
diff --git a/include/linux/qed/qed_eth_if.h b/include/linux/qed/qed_eth_if.h
index 33c24ebc9b7f..1c779486c30d 100644
--- a/include/linux/qed/qed_eth_if.h
+++ b/include/linux/qed/qed_eth_if.h
@@ -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