diff options
| author | Eli Cohen <eli@dev.mellanox.co.il> | 2008-04-29 22:46:53 +0200 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2008-04-29 22:46:53 +0200 |
| commit | b4132efa1a47858d741ecb05b8735e6fcb603bc8 (patch) | |
| tree | 7345487035fb8725d5f6d3edeaf23839eef1da7e | |
| parent | IB/mthca: Avoid changing userspace ABI to handle DMA write barrier attribute (diff) | |
| download | linux-b4132efa1a47858d741ecb05b8735e6fcb603bc8.tar.xz linux-b4132efa1a47858d741ecb05b8735e6fcb603bc8.zip | |
IPoIB: Copy child MTU from parent
When creating a child interface, copy the MTU information from the
parent. Otherwise when the child's multicast join completes, the MTU
will not be updated since the code does
dev->mtu = min(priv->mcast_mtu, priv->admin_mtu);
and priv->admin_mtu will be set to 0.
Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_vlan.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c index 431fdeaa2dc4..1cdb5cfb0ff1 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c @@ -90,6 +90,9 @@ int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey) } priv->max_ib_mtu = ppriv->max_ib_mtu; + /* MTU will be reset when mcast join happens */ + priv->dev->mtu = IPOIB_UD_MTU(priv->max_ib_mtu); + priv->mcast_mtu = priv->admin_mtu = priv->dev->mtu; set_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags); priv->pkey = pkey; |