d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

mbuf: get physical address of data

Browse Source 
Signed-off-by: Declan Doherty <declan.doherty@intel.com>
Acked-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com>
This commit is contained in:
Declan Doherty 2015-11-25 13:25:11 +00:00 committed by Thomas Monjalon
parent a2cd6480c2
commit 0781e8a7ac
1 changed files with 21 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
lib/librte_mbuf/rte_mbuf.h
View File

@ -1624,6 +1624,27 @@ static inline struct rte_mbuf *rte_pktmbuf_lastseg(struct rte_mbuf *m)
*/
#define rte_pktmbuf_mtod(m, t) rte_pktmbuf_mtod_offset(m, t, 0)
/**
* A macro that returns the physical address that points to an offset of the
* start of the data in the mbuf
*
* @param m
* The packet mbuf.
* @param o
* The offset into the data to calculate address from.
*/
#define rte_pktmbuf_mtophys_offset(m, o) \
(phys_addr_t)((m)->buf_physaddr + (m)->data_off + (o))
/**
* A macro that returns the physical address that points to the start of the
* data in the mbuf
*
* @param m
* The packet mbuf.
*/
#define rte_pktmbuf_mtophys(m) rte_pktmbuf_mtophys_offset(m, 0)
/**
* A macro that returns the length of the packet.
*