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Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_hdr.h')
-rw-r--r--drivers/infiniband/sw/rxe/rxe_hdr.h12
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