From: Denis Kirjanov kda@linux-powerpc.org
[ Upstream commit 64d701c608fea362881e823b666327f5d28d7ffd ]
in the case of IPoIB with SRIOV enabled hardware ip link show command incorrecly prints 0 instead of a VF hardware address.
Before: 11: ib1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 2044 qdisc pfifo_fast state UP mode DEFAULT group default qlen 256 link/infiniband 80:00:00:66:fe:80:00:00:00:00:00:00:24:8a:07:03:00:a4:3e:7c brd 00:ff:ff:ff:ff:12:40:1b:ff:ff:00:00:00:00:00:00:ff:ff:ff:ff vf 0 MAC 00:00:00:00:00:00, spoof checking off, link-state disable, trust off, query_rss off ... After: 11: ib1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 2044 qdisc pfifo_fast state UP mode DEFAULT group default qlen 256 link/infiniband 80:00:00:66:fe:80:00:00:00:00:00:00:24:8a:07:03:00:a4:3e:7c brd 00:ff:ff:ff:ff:12:40:1b:ff:ff:00:00:00:00:00:00:ff:ff:ff:ff vf 0 link/infiniband 80:00:00:66:fe:80:00:00:00:00:00:00:24:8a:07:03:00:a4:3e:7c brd 00:ff:ff:ff:ff:12:40:1b:ff:ff:00:00:00:00:00:00:ff:ff:ff:ff, spoof checking off, link-state disable, trust off, query_rss off
v1->v2: just copy an address without modifing ifla_vf_mac v2->v3: update the changelog
Signed-off-by: Denis Kirjanov kda@linux-powerpc.org Acked-by: Doug Ledford dledford@redhat.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/infiniband/ulp/ipoib/ipoib_main.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index e6ff16b27acd..1a93d3d58c8a 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -1833,6 +1833,7 @@ static int ipoib_get_vf_config(struct net_device *dev, int vf, return err;
ivf->vf = vf; + memcpy(ivf->mac, dev->dev_addr, dev->addr_len);
return 0; }