diff options
Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib_multicast.c')
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_multicast.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index a0e97532e714..25874fc680c9 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -720,7 +720,9 @@ out: } } + spin_unlock_irqrestore(&priv->lock, flags); ipoib_send(dev, skb, mcast->ah, IB_MULTICAST_QPN); + return; } unlock: @@ -758,6 +760,20 @@ void ipoib_mcast_dev_flush(struct net_device *dev) } } +static int ipoib_mcast_addr_is_valid(const u8 *addr, unsigned int addrlen, + const u8 *broadcast) +{ + if (addrlen != INFINIBAND_ALEN) + return 0; + /* reserved QPN, prefix, scope */ + if (memcmp(addr, broadcast, 6)) + return 0; + /* signature lower, pkey */ + if (memcmp(addr + 7, broadcast + 7, 3)) + return 0; + return 1; +} + void ipoib_mcast_restart_task(struct work_struct *work) { struct ipoib_dev_priv *priv = @@ -791,6 +807,11 @@ void ipoib_mcast_restart_task(struct work_struct *work) for (mclist = dev->mc_list; mclist; mclist = mclist->next) { union ib_gid mgid; + if (!ipoib_mcast_addr_is_valid(mclist->dmi_addr, + mclist->dmi_addrlen, + dev->broadcast)) + continue; + memcpy(mgid.raw, mclist->dmi_addr + 4, sizeof mgid); mcast = __ipoib_mcast_find(dev, &mgid); |