From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <declan.doherty@intel.com> Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id 047835957 for <dev@dpdk.org>; Mon, 9 Nov 2015 21:29:38 +0100 (CET) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga102.fm.intel.com with ESMTP; 09 Nov 2015 12:29:38 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,267,1444719600"; d="scan'208";a="846973937" Received: from dwdohert-dpdk-fedora-20.ir.intel.com ([163.33.213.96]) by fmsmga002.fm.intel.com with ESMTP; 09 Nov 2015 12:29:37 -0800 From: Declan Doherty <declan.doherty@intel.com> To: dev@dpdk.org Date: Mon, 9 Nov 2015 20:34:13 +0000 Message-Id: <1447101259-18972-5-git-send-email-declan.doherty@intel.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1447101259-18972-1-git-send-email-declan.doherty@intel.com> References: <1446572746-26207-1-git-send-email-declan.doherty@intel.com> <1447101259-18972-1-git-send-email-declan.doherty@intel.com> Subject: [dpdk-dev] [PATCH v5 04/10] mbuf: add new marcos to get the physical address of data X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK <dev.dpdk.org> List-Unsubscribe: <http://dpdk.org/ml/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://dpdk.org/ml/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <http://dpdk.org/ml/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> X-List-Received-Date: Mon, 09 Nov 2015 20:29:39 -0000 Acked-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com> Signed-off-by: Declan Doherty <declan.doherty@intel.com> --- lib/librte_mbuf/rte_mbuf.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h index 4a93189..e203c55 100644 --- a/lib/librte_mbuf/rte_mbuf.h +++ b/lib/librte_mbuf/rte_mbuf.h @@ -1622,6 +1622,29 @@ 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)((char *)(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. + * @param o + * The offset into the data to calculate address from. + */ +#define rte_pktmbuf_mtophys(m) rte_pktmbuf_mtophys_offset(m, 0) + +/** * A macro that returns the length of the packet. * * The value can be read or assigned. -- 2.4.3