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IB/IPoIB: Move multicast specific code out of ipoib_main.c

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Code cleanup to move multicast specific code that checks for
a sendonly join to ipoib_multicast.c. This allows the removal
of the export of __ipoib_mcast_find().

Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Christoph Lameter 2015-12-21 08:42:54 -06:00 committed by Doug Ledford
parent 5a0e81f6f4
commit 432c55fff4
3 changed files with 23 additions and 14 deletions
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3
drivers/infiniband/ulp/ipoib/ipoib.h
View File

@ -549,7 +549,8 @@ void ipoib_path_iter_read(struct ipoib_path_iter *iter,
int ipoib_mcast_attach(struct net_device *dev, u16 mlid,
union ib_gid *mgid, int set_qkey);
void ipoib_mcast_remove_list(struct net_device *dev, struct list_head *remove_list);
struct ipoib_mcast *__ipoib_mcast_find(struct net_device *dev, void *mgid);
void ipoib_check_and_add_mcast_sendonly(struct ipoib_dev_priv *priv, u8 *mgid,
struct list_head *remove_list);
int ipoib_init_qp(struct net_device *dev);
int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca);

13
drivers/infiniband/ulp/ipoib/ipoib_main.c
View File

@ -1150,7 +1150,6 @@ static void __ipoib_reap_neigh(struct ipoib_dev_priv *priv)
unsigned long flags;
int i;
LIST_HEAD(remove_list);
struct ipoib_mcast *mcast;
struct net_device *dev = priv->dev;
if (test_bit(IPOIB_STOP_NEIGH_GC, &priv->flags))
@ -1179,18 +1178,8 @@ static void __ipoib_reap_neigh(struct ipoib_dev_priv *priv)
lockdep_is_held(&priv->lock))) != NULL) {
/* was the neigh idle for two GC periods */
if (time_after(neigh_obsolete, neigh->alive)) {
u8 *mgid = neigh->daddr + 4;
/* Is this multicast ? */
if (*mgid == 0xff) {
mcast = __ipoib_mcast_find(dev, mgid);
if (mcast && test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags)) {
list_del(&mcast->list);
rb_erase(&mcast->rb_node, &priv->multicast_tree);
list_add_tail(&mcast->list, &remove_list);
}
}
ipoib_check_and_add_mcast_sendonly(priv, neigh->daddr + 4, &remove_list);
rcu_assign_pointer(*np,
rcu_dereference_protected(neigh->hnext,

21
drivers/infiniband/ulp/ipoib/ipoib_multicast.c
View File

@ -153,7 +153,7 @@ static struct ipoib_mcast *ipoib_mcast_alloc(struct net_device *dev,
return mcast;
}
struct ipoib_mcast *__ipoib_mcast_find(struct net_device *dev, void *mgid)
static struct ipoib_mcast *__ipoib_mcast_find(struct net_device *dev, void *mgid)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct rb_node *n = priv->multicast_tree.rb_node;
@ -704,6 +704,25 @@ static int ipoib_mcast_leave(struct net_device *dev, struct ipoib_mcast *mcast)
return 0;
}
/*
* Check if the multicast group is sendonly. If so remove it from the maps
* and add to the remove list
*/
void ipoib_check_and_add_mcast_sendonly(struct ipoib_dev_priv *priv, u8 *mgid,
struct list_head *remove_list)
{
/* Is this multicast ? */
if (*mgid == 0xff) {
struct ipoib_mcast *mcast = __ipoib_mcast_find(priv->dev, mgid);
if (mcast && test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags)) {
list_del(&mcast->list);
rb_erase(&mcast->rb_node, &priv->multicast_tree);
list_add_tail(&mcast->list, remove_list);
}
}
}
void ipoib_mcast_remove_list(struct net_device *dev, struct list_head *remove_list)
{
struct ipoib_mcast *mcast, *tmcast;