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[54.225.227.206]) by mx.google.com with ESMTP id v21si23552497qta.394.2017.07.31.15.15.15; Mon, 31 Jul 2017 15:15:15 -0700 (PDT) Received-SPF: pass (google.com: domain of lng-odp-bounces@lists.linaro.org designates 54.225.227.206 as permitted sender) client-ip=54.225.227.206; Authentication-Results: mx.google.com; spf=pass (google.com: domain of lng-odp-bounces@lists.linaro.org designates 54.225.227.206 as permitted sender) smtp.mailfrom=lng-odp-bounces@lists.linaro.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=yandex.ru Received: by lists.linaro.org (Postfix, from userid 109) id 5A85E65CEB; Mon, 31 Jul 2017 22:15:15 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on ip-10-142-244-252 X-Spam-Level: X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,FREEMAIL_FROM, RCVD_IN_DNSWL_LOW,URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from [127.0.0.1] (localhost [127.0.0.1]) by lists.linaro.org (Postfix) with ESMTP id 20F0765C75; Mon, 31 Jul 2017 22:02:51 +0000 (UTC) X-Original-To: lng-odp@lists.linaro.org Delivered-To: lng-odp@lists.linaro.org Received: by lists.linaro.org (Postfix, from userid 109) id 3635665D05; Mon, 31 Jul 2017 22:02:45 +0000 (UTC) Received: from forward4p.cmail.yandex.net (forward4p.cmail.yandex.net [77.88.31.19]) by lists.linaro.org (Postfix) with ESMTPS id 7A34765C75 for ; Mon, 31 Jul 2017 22:00:35 +0000 (UTC) Received: from smtp3p.mail.yandex.net (smtp3p.mail.yandex.net [77.88.29.86]) by forward4p.cmail.yandex.net (Yandex) with ESMTP id 7152F20712 for ; Tue, 1 Aug 2017 01:00:34 +0300 (MSK) Received: from smtp3p.mail.yandex.net (localhost.localdomain [127.0.0.1]) by smtp3p.mail.yandex.net (Yandex) with ESMTP id 4DC65132021A for ; Tue, 1 Aug 2017 01:00:33 +0300 (MSK) Received: by smtp3p.mail.yandex.net (nwsmtp/Yandex) with ESMTPSA id 8MoJZRxH9x-0XUqYiPW; Tue, 01 Aug 2017 01:00:33 +0300 (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (Client certificate not present) X-Yandex-Suid-Status: 1 0 From: Github ODP bot To: lng-odp@lists.linaro.org Date: Tue, 1 Aug 2017 01:00:16 +0300 Message-Id: <1501538424-20959-3-git-send-email-odpbot@yandex.ru> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1501538424-20959-1-git-send-email-odpbot@yandex.ru> References: <1501538424-20959-1-git-send-email-odpbot@yandex.ru> Github-pr-num: 90 Subject: [lng-odp] [PATCH v2 2/10] linux-generic: packet: add packet fields needed for references X-BeenThere: lng-odp@lists.linaro.org X-Mailman-Version: 2.1.16 Precedence: list List-Id: "The OpenDataPlane \(ODP\) List" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: lng-odp-bounces@lists.linaro.org Sender: "lng-odp" From: Bill Fischofer Add new fields to the odp_packet_hdr_t used for support of zero-copy references. Also added are the offsets needed to access them from inlined functions. Signed-off-by: Bill Fischofer --- /** Email created from pull request 90 (Bill-Fischofer-Linaro:pktrefs) ** https://github.com/Linaro/odp/pull/90 ** Patch: https://github.com/Linaro/odp/pull/90.patch ** Base sha: 10ef82e6d4db8c02dd5caa2e97172688e829b90c ** Merge commit sha: 36402847eb872b26f40a3047205b0f38d2d3ba21 **/ platform/linux-generic/include/odp/api/plat/packet_types.h | 8 ++++++++ platform/linux-generic/include/odp_packet_internal.h | 9 ++++++++- platform/linux-generic/odp_packet.c | 4 ++++ 3 files changed, 20 insertions(+), 1 deletion(-) diff --git a/platform/linux-generic/include/odp/api/plat/packet_types.h b/platform/linux-generic/include/odp/api/plat/packet_types.h index 41468bec..1554c3af 100644 --- a/platform/linux-generic/include/odp/api/plat/packet_types.h +++ b/platform/linux-generic/include/odp/api/plat/packet_types.h @@ -84,6 +84,14 @@ typedef struct _odp_packet_inline_offset_t { /** @internal field offset */ size_t tailroom; /** @internal field offset */ + size_t unshared_len; + /** @internal field offset */ + size_t ref_hdr; + /** @internal field offset */ + size_t ref_offset; + /** *internal field offset */ + size_t ref_len; + /** @internal field offset */ size_t pool; /** @internal field offset */ size_t input; diff --git a/platform/linux-generic/include/odp_packet_internal.h b/platform/linux-generic/include/odp_packet_internal.h index f77987c8..9c013d8f 100644 --- a/platform/linux-generic/include/odp_packet_internal.h +++ b/platform/linux-generic/include/odp_packet_internal.h @@ -106,7 +106,7 @@ typedef struct { * packet_init(). Because of this any new fields added must be reviewed for * initialization requirements. */ -typedef struct { +typedef struct odp_packet_hdr_t { /* common buffer header */ odp_buffer_hdr_t buf_hdr; @@ -122,6 +122,13 @@ typedef struct { uint32_t headroom; uint32_t tailroom; + /* Fields used to support packet references */ + uint32_t unshared_len; + struct odp_packet_hdr_t *ref_hdr; + uint32_t ref_offset; + uint32_t ref_len; + odp_atomic_u32_t ref_count; + /* * Members below are not initialized by packet_init() */ diff --git a/platform/linux-generic/odp_packet.c b/platform/linux-generic/odp_packet.c index dbde7280..af8c442e 100644 --- a/platform/linux-generic/odp_packet.c +++ b/platform/linux-generic/odp_packet.c @@ -33,6 +33,10 @@ const _odp_packet_inline_offset_t _odp_packet_inline ODP_ALIGNED_CACHE = { .frame_len = offsetof(odp_packet_hdr_t, frame_len), .headroom = offsetof(odp_packet_hdr_t, headroom), .tailroom = offsetof(odp_packet_hdr_t, tailroom), + .unshared_len = offsetof(odp_packet_hdr_t, unshared_len), + .ref_hdr = offsetof(odp_packet_hdr_t, ref_hdr), + .ref_offset = offsetof(odp_packet_hdr_t, ref_offset), + .ref_len = offsetof(odp_packet_hdr_t, ref_len), .pool = offsetof(odp_packet_hdr_t, buf_hdr.pool_hdl), .input = offsetof(odp_packet_hdr_t, input), .segcount = offsetof(odp_packet_hdr_t, buf_hdr.segcount),