diff options
Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_hdr.h')
-rw-r--r-- | drivers/infiniband/sw/rxe/rxe_hdr.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_hdr.h b/drivers/infiniband/sw/rxe/rxe_hdr.h index d57b5e956ceb..6cb18406f5b8 100644 --- a/drivers/infiniband/sw/rxe/rxe_hdr.h +++ b/drivers/infiniband/sw/rxe/rxe_hdr.h @@ -53,8 +53,16 @@ struct rxe_pkt_info { }; /* Macros should be used only for received skb */ -#define SKB_TO_PKT(skb) ((struct rxe_pkt_info *)(skb)->cb) -#define PKT_TO_SKB(pkt) container_of((void *)(pkt), struct sk_buff, cb) +static inline struct rxe_pkt_info *SKB_TO_PKT(struct sk_buff *skb) +{ + BUILD_BUG_ON(sizeof(struct rxe_pkt_info) > sizeof(skb->cb)); + return (void *)skb->cb; +} + +static inline struct sk_buff *PKT_TO_SKB(struct rxe_pkt_info *pkt) +{ + return container_of((void *)pkt, struct sk_buff, cb); +} /* * IBA header types and methods |