From mboxrd@z Thu Jan 1 00:00:00 1970 From: Olivier Matz Subject: [PATCH 7/9] mbuf: move sequence number in second cache line Date: Wed, 8 Mar 2017 10:41:59 +0100 Message-ID: <1488966121-22853-8-git-send-email-olivier.matz@6wind.com> References: <1485271173-13408-1-git-send-email-olivier.matz@6wind.com> <1488966121-22853-1-git-send-email-olivier.matz@6wind.com> Cc: bruce.richardson@intel.com, konstantin.ananyev@intel.com, mb@smartsharesystems.com, andrey.chilikin@intel.com, jblunck@infradead.org, nelio.laranjeiro@6wind.com, arybchenko@solarflare.com To: dev@dpdk.org Return-path: Received: from proxy.6wind.com (host.76.145.23.62.rev.coltfrance.com [62.23.145.76]) by dpdk.org (Postfix) with ESMTP id 127465589 for ; Wed, 8 Mar 2017 10:42:24 +0100 (CET) In-Reply-To: <1488966121-22853-1-git-send-email-olivier.matz@6wind.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Move this field in the second cache line, since no driver use it in Rx path. The freed space will be used by a timestamp in next commit. Signed-off-by: Olivier Matz --- lib/librte_mbuf/rte_mbuf.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h index 45cd6b9..c75a62a 100644 --- a/lib/librte_mbuf/rte_mbuf.h +++ b/lib/librte_mbuf/rte_mbuf.h @@ -470,8 +470,6 @@ struct rte_mbuf { uint32_t usr; /**< User defined tags. See rte_distributor_process() */ } hash; /**< hash information */ - uint32_t seqn; /**< Sequence number. See also rte_reorder_insert() */ - /** Outer VLAN TCI (CPU order), valid if PKT_RX_QINQ_STRIPPED is set. */ uint16_t vlan_tci_outer; @@ -516,6 +514,10 @@ struct rte_mbuf { /** Timesync flags for use with IEEE1588. */ uint16_t timesync; + + /** Sequence number. See also rte_reorder_insert(). */ + uint32_t seqn; + } __rte_cache_aligned; /** -- 2.8.1