Commit 406f42fa0d3c ("net-next: When a bond have a massive amount of VLANs...") introduced a rbtree for faster Ethernet address look up. To maintain netdev->dev_addr in this tree we need to make all the writes to it got through appropriate helpers. Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> --- CC: dledford@xxxxxxxxxx CC: jgg@xxxxxxxx CC: yuehaibing@xxxxxxxxxx CC: manjunath.b.patil@xxxxxxxxxx CC: leon@xxxxxxxxxx CC: mbloch@xxxxxxxxxx CC: jinpu.wang@xxxxxxxxx CC: mike.marciniszyn@xxxxxxxxxxxxxxxxxxxx CC: liweihang@xxxxxxxxxx CC: linux-rdma@xxxxxxxxxxxxxxx --- drivers/infiniband/ulp/ipoib/ipoib_cm.c | 4 +++- drivers/infiniband/ulp/ipoib/ipoib_ib.c | 9 ++++----- drivers/infiniband/ulp/ipoib/ipoib_main.c | 17 +++++++++-------- 3 files changed, 16 insertions(+), 14 deletions(-) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index 684c2ddb16f5..fd9d7f2c4d64 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -1583,6 +1583,7 @@ int ipoib_cm_dev_init(struct net_device *dev) { struct ipoib_dev_priv *priv = ipoib_priv(dev); int max_srq_sge, i; + u8 addr; INIT_LIST_HEAD(&priv->cm.passive_ids); INIT_LIST_HEAD(&priv->cm.reap_list); @@ -1636,7 +1637,8 @@ int ipoib_cm_dev_init(struct net_device *dev) } } - priv->dev->dev_addr[0] = IPOIB_FLAGS_RC; + addr = IPOIB_FLAGS_RC; + dev_addr_mod(dev, 0, &addr, 1); return 0; } diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index ceabfb0b0a83..2c3dca41d3bd 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -1057,13 +1057,11 @@ static bool ipoib_dev_addr_changed_valid(struct ipoib_dev_priv *priv) { union ib_gid search_gid; union ib_gid gid0; - union ib_gid *netdev_gid; int err; u16 index; u32 port; bool ret = false; - netdev_gid = (union ib_gid *)(priv->dev->dev_addr + 4); if (rdma_query_gid(priv->ca, priv->port, 0, &gid0)) return false; @@ -1073,7 +1071,8 @@ static bool ipoib_dev_addr_changed_valid(struct ipoib_dev_priv *priv) * to do it later */ priv->local_gid.global.subnet_prefix = gid0.global.subnet_prefix; - netdev_gid->global.subnet_prefix = gid0.global.subnet_prefix; + dev_addr_mod(priv->dev, 4, (u8 *)&gid0.global.subnet_prefix, + sizeof(gid0.global.subnet_prefix)); search_gid.global.subnet_prefix = gid0.global.subnet_prefix; search_gid.global.interface_id = priv->local_gid.global.interface_id; @@ -1135,8 +1134,8 @@ static bool ipoib_dev_addr_changed_valid(struct ipoib_dev_priv *priv) if (!test_bit(IPOIB_FLAG_DEV_ADDR_CTRL, &priv->flags)) { memcpy(&priv->local_gid, &gid0, sizeof(priv->local_gid)); - memcpy(priv->dev->dev_addr + 4, &gid0, - sizeof(priv->local_gid)); + dev_addr_mod(priv->dev, 4, (u8 *)&gid0, + sizeof(priv->local_gid)); ret = true; } } diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 9c9da5aa592a..9934b8bd7f56 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -1696,6 +1696,7 @@ static void ipoib_dev_uninit_default(struct net_device *dev) static int ipoib_dev_init_default(struct net_device *dev) { struct ipoib_dev_priv *priv = ipoib_priv(dev); + u8 addr_mod[3]; ipoib_napi_add(dev); @@ -1723,9 +1724,10 @@ static int ipoib_dev_init_default(struct net_device *dev) } /* after qp created set dev address */ - priv->dev->dev_addr[1] = (priv->qp->qp_num >> 16) & 0xff; - priv->dev->dev_addr[2] = (priv->qp->qp_num >> 8) & 0xff; - priv->dev->dev_addr[3] = (priv->qp->qp_num) & 0xff; + addr_mod[0] = (priv->qp->qp_num >> 16) & 0xff; + addr_mod[1] = (priv->qp->qp_num >> 8) & 0xff; + addr_mod[2] = (priv->qp->qp_num) & 0xff; + dev_addr_mod(priv->dev, 1, addr_mod, sizeof(addr_mod)); return 0; @@ -1886,8 +1888,7 @@ static int ipoib_parent_init(struct net_device *ndev) priv->ca->name, priv->port, result); return result; } - memcpy(priv->dev->dev_addr + 4, priv->local_gid.raw, - sizeof(union ib_gid)); + dev_addr_mod(priv->dev, 4, priv->local_gid.raw, sizeof(union ib_gid)); SET_NETDEV_DEV(priv->dev, priv->ca->dev.parent); priv->dev->dev_port = priv->port - 1; @@ -1908,8 +1909,8 @@ static void ipoib_child_init(struct net_device *ndev) memcpy(&priv->local_gid, priv->dev->dev_addr + 4, sizeof(priv->local_gid)); else { - memcpy(priv->dev->dev_addr, ppriv->dev->dev_addr, - INFINIBAND_ALEN); + __dev_addr_set(priv->dev, ppriv->dev->dev_addr, + INFINIBAND_ALEN); memcpy(&priv->local_gid, &ppriv->local_gid, sizeof(priv->local_gid)); } @@ -2326,7 +2327,7 @@ static void set_base_guid(struct ipoib_dev_priv *priv, union ib_gid *gid) memcpy(&priv->local_gid.global.interface_id, &gid->global.interface_id, sizeof(gid->global.interface_id)); - memcpy(netdev->dev_addr + 4, &priv->local_gid, sizeof(priv->local_gid)); + dev_addr_mod(netdev, 4, (u8 *)&priv->local_gid, sizeof(priv->local_gid)); clear_bit(IPOIB_FLAG_DEV_ADDR_SET, &priv->flags); netif_addr_unlock_bh(netdev); -- 2.31.1