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RDMA/ipoib: Handle user-supplied address when creating child

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Use the address supplied by user when creating a child interface.

Previously, the address requested by the user was ignored and overridden
with parent's GID and the random QP number assigned to the child.

Link: https://lore.kernel.org/r/20200623110105.1225750-3-leon@kernel.org
Signed-off-by: Michael Guralnik <michaelgur@mellanox.com>
Reviewed-by: Feras Daoud <ferasda@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Michael Guralnik 2020-06-23 14:01:05 +03:00 committed by Jason Gunthorpe
parent 4dca650991
commit 87fb5c1ccb
1 changed files with 9 additions and 2 deletions
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11
drivers/infiniband/ulp/ipoib/ipoib_main.c
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@ -1892,8 +1892,15 @@ static void ipoib_child_init(struct net_device *ndev)
priv->max_ib_mtu = ppriv->max_ib_mtu;
set_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags);
memcpy(priv->dev->dev_addr, ppriv->dev->dev_addr, INFINIBAND_ALEN);
memcpy(&priv->local_gid, &ppriv->local_gid, sizeof(priv->local_gid));
if (memchr_inv(priv->dev->dev_addr, 0, INFINIBAND_ALEN))
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);
memcpy(&priv->local_gid, &ppriv->local_gid,
sizeof(priv->local_gid));
}
}
static int ipoib_ndo_init(struct net_device *ndev)