Commit 44af79f9 authored by Michael S. Tsirkin's avatar Michael S. Tsirkin Committed by Roland Dreier
Browse files

IPoIB: clarify to_ipoib_neigh() 



Cosmetic change: make alignment explicit in to_ipoib_neigh.

Signed-off-by: default avatarMichael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent 4d9781c5

drivers/infiniband/ulp/ipoib/ipoib.h

+8 −2
Original line number Diff line number Diff line
@@ -217,10 +217,16 @@ struct ipoib_neigh { 
	struct list_head    list;

};



/*

 * We stash a pointer to our private neighbour information after our

 * hardware address in neigh->ha.  The ALIGN() expression here makes

 * sure that this pointer is stored aligned so that an unaligned

 * load is not needed to dereference it.

 */

static inline struct ipoib_neigh **to_ipoib_neigh(struct neighbour *neigh)

{

	return (struct ipoib_neigh **) (neigh->ha + 24 -

					(offsetof(struct neighbour, ha) & 4));

	return (void*) neigh + ALIGN(offsetof(struct neighbour, ha) +

				     INFINIBAND_ALEN, sizeof(void *));

}



extern struct workqueue_struct *ipoib_workqueue;

CRA Git | Maintained and supported by SUSTech CRA and CCSE