From patchwork Tue Nov 10 17:32:37 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Doherty, Declan" X-Patchwork-Id: 8845 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 54ECC8E83; Tue, 10 Nov 2015 18:28:02 +0100 (CET) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id A886A8E7D for ; Tue, 10 Nov 2015 18:28:00 +0100 (CET) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga102.fm.intel.com with ESMTP; 10 Nov 2015 09:27:59 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,271,1444719600"; d="scan'208";a="847140676" Received: from dwdohert-dpdk-fedora-20.ir.intel.com ([163.33.213.96]) by orsmga002.jf.intel.com with ESMTP; 10 Nov 2015 09:27:57 -0800 From: Declan Doherty To: dev@dpdk.org Date: Tue, 10 Nov 2015 17:32:37 +0000 Message-Id: <1447176763-19303-5-git-send-email-declan.doherty@intel.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1447176763-19303-1-git-send-email-declan.doherty@intel.com> References: <1447101259-18972-1-git-send-email-declan.doherty@intel.com> <1447176763-19303-1-git-send-email-declan.doherty@intel.com> Subject: [dpdk-dev] [PATCH v6 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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Acked-by: Sergio Gonzalez Monroy Signed-off-by: Declan Doherty --- 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..ef1ee26 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)((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.