diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2021-10-19 11:26:02 -0700 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2021-10-25 14:33:08 -0300 |
| commit | 10f7b9bc85ec2421c46588732ea72a58c00d0926 (patch) | |
| tree | 596551650d75deba328c615ba1436b38eb1c2b22 /drivers/infiniband/ulp/ipoib/ipoib_main.c | |
| parent | 97ad8c8c719d0f7fbf3e828be7e99121b4b05b1f (diff) | |
| download | linux-10f7b9bc85ec2421c46588732ea72a58c00d0926.tar.gz | |
RDMA/ipoib: Use dev_addr_mod()
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.
Link: https://lore.kernel.org/r/20211019182604.1441387-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib_main.c')
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_main.c | 17 |
1 files changed, 9 insertions, 8 deletions
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); |