mbuf: replace data pointer by an offset

[dpdk.git] / lib / librte_pmd_ixgbe / ixgbe_rxtx.h

diff --git a/lib/librte_pmd_ixgbe/ixgbe_rxtx.h b/lib/librte_pmd_ixgbe/ixgbe_rxtx.h
index 41042ac..fd0023e 100644 (file)
--- a/lib/librte_pmd_ixgbe/ixgbe_rxtx.h
+++ b/lib/librte_pmd_ixgbe/ixgbe_rxtx.h
@@ -47,8 +47,7 @@
 #endif
 
 #define RTE_MBUF_DATA_DMA_ADDR(mb) \
-       (uint64_t) ((mb)->buf_physaddr + (uint64_t)((char *)((mb)->data) - \
-       (char *)(mb)->buf_addr))
+       (uint64_t) ((mb)->buf_physaddr + (mb)->data_off)
 
 #define RTE_MBUF_DATA_DMA_ADDR_DEFAULT(mb) \
        (uint64_t) ((mb)->buf_physaddr + RTE_PKTMBUF_HEADROOM)