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RDMA/ipoib: Use dev_addr_mod()

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Commit 406f42fa0d ("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>
This commit is contained in:
Jakub Kicinski 2021-10-19 11:26:02 -07:00 committed by Jason Gunthorpe
parent 97ad8c8c71
commit 10f7b9bc85
3 changed files with 16 additions and 14 deletions
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4
drivers/infiniband/ulp/ipoib/ipoib_cm.c
View File

@ -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;
}

9
drivers/infiniband/ulp/ipoib/ipoib_ib.c
View File

@ -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;
}
}

17
drivers/infiniband/ulp/ipoib/ipoib_main.c
View File

@ -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);