From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id A34E2A04DB; Mon, 28 Sep 2020 21:05:28 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 9CF711D6C8; Mon, 28 Sep 2020 21:04:15 +0200 (CEST) Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by dpdk.org (Postfix) with ESMTP id 014431D68D for ; Mon, 28 Sep 2020 21:04:08 +0200 (CEST) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 52EA81063; Mon, 28 Sep 2020 12:04:07 -0700 (PDT) Received: from qc2400f-1.austin.arm.com (qc2400f-1.austin.arm.com [10.118.12.27]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 41AC43F70D; Mon, 28 Sep 2020 12:04:07 -0700 (PDT) From: Honnappa Nagarahalli To: dev@dpdk.org, honnappa.nagarahalli@arm.com, phil.yang@arm.com, jgrajcia@cisco.com, ferruh.yigit@intel.com Cc: nd@arm.com Date: Mon, 28 Sep 2020 14:03:32 -0500 Message-Id: <20200928190334.40624-6-honnappa.nagarahalli@arm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200928190334.40624-1-honnappa.nagarahalli@arm.com> References: <20200921192254.20560-1-honnappa.nagarahalli@arm.com> <20200928190334.40624-1-honnappa.nagarahalli@arm.com> Subject: [dpdk-dev] [PATCH v2 6/8] net/memif: remove extra check X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" eth_memif_tx_zc function is called only for S2M rings. Remove additional code for M2S rings in this function. Signed-off-by: Honnappa Nagarahalli Reviewed-by: Phil Yang Reviewed-by: Ruifeng Wang --- drivers/net/memif/rte_eth_memif.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/net/memif/rte_eth_memif.c b/drivers/net/memif/rte_eth_memif.c index 404c86ae8..9babd073a 100644 --- a/drivers/net/memif/rte_eth_memif.c +++ b/drivers/net/memif/rte_eth_memif.c @@ -735,7 +735,6 @@ eth_memif_tx_zc(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts) rte_eth_devices[mq->in_port].process_private; memif_ring_t *ring = memif_get_ring_from_queue(proc_private, mq); uint16_t slot, n_free, ring_size, mask, n_tx_pkts = 0; - memif_ring_type_t type = mq->type; struct rte_eth_link link; if (unlikely((pmd->flags & ETH_MEMIF_FLAG_CONNECTED) == 0)) @@ -812,11 +811,8 @@ eth_memif_tx_zc(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts) } no_free_slots: - /* update ring pointers */ - if (type == MEMIF_RING_S2M) - __atomic_store_n(&ring->head, slot, __ATOMIC_RELEASE); - else - __atomic_store_n(&ring->tail, slot, __ATOMIC_RELEASE); + /* ring type always MEMIF_RING_S2M */ + __atomic_store_n(&ring->head, slot, __ATOMIC_RELEASE); /* Send interrupt, if enabled. */ if ((ring->flags & MEMIF_RING_FLAG_MASK_INT) == 0) { -- 2.17.1