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 C88C3A04F3; Fri, 20 Dec 2019 04:20:29 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 1BA651BF90; Fri, 20 Dec 2019 04:20:18 +0100 (CET) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by dpdk.org (Postfix) with ESMTP id 76C541BF78 for ; Fri, 20 Dec 2019 04:20:14 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Dec 2019 19:20:14 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,334,1571727600"; d="scan'208";a="298908326" Received: from intel.sh.intel.com ([10.239.255.149]) by orsmga001.jf.intel.com with ESMTP; 19 Dec 2019 19:20:12 -0800 From: Chenxu Di To: dev@dpdk.org Cc: Yang Qiming , Chenxu Di Date: Fri, 20 Dec 2019 03:15:33 +0000 Message-Id: <20191220031535.19274-4-chenxux.di@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191220031535.19274-1-chenxux.di@intel.com> References: <20191203055134.72874-1-chenxux.di@intel.com> <20191220031535.19274-1-chenxux.di@intel.com> Subject: [dpdk-dev] [PATCH v3 3/5] net/ice: cleanup Tx buffers 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" Add support to the ice driver for the API rte_eth_tx_done_cleanup to force free consumed buffers on Tx ring. Signed-off-by: Chenxu Di --- drivers/net/ice/ice_ethdev.c | 1 + drivers/net/ice/ice_rxtx.c | 41 ++++++++++++++++++++++++++++++++++++ drivers/net/ice/ice_rxtx.h | 1 + 3 files changed, 43 insertions(+) diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c index de189daba..b55cdbf74 100644 --- a/drivers/net/ice/ice_ethdev.c +++ b/drivers/net/ice/ice_ethdev.c @@ -220,6 +220,7 @@ static const struct eth_dev_ops ice_eth_dev_ops = { .filter_ctrl = ice_dev_filter_ctrl, .udp_tunnel_port_add = ice_dev_udp_tunnel_port_add, .udp_tunnel_port_del = ice_dev_udp_tunnel_port_del, + .tx_done_cleanup = ice_tx_done_cleanup, }; /* store statistics names and its offset in stats structure */ diff --git a/drivers/net/ice/ice_rxtx.c b/drivers/net/ice/ice_rxtx.c index 2db174456..154cc5e5f 100644 --- a/drivers/net/ice/ice_rxtx.c +++ b/drivers/net/ice/ice_rxtx.c @@ -863,6 +863,47 @@ ice_fdir_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id) return 0; } + +int ice_tx_done_cleanup(void *txq, uint32_t free_cnt) +{ + struct ice_tx_queue *q = (struct ice_tx_queue *)txq; + struct ice_tx_entry *sw_ring; + uint16_t tx_id; /* Current segment being processed. */ + uint16_t tx_cleaned; + + int count = 0; + + if (q == NULL) + return -ENODEV; + + sw_ring = q->sw_ring; + tx_cleaned = q->last_desc_cleaned; + tx_id = sw_ring[q->last_desc_cleaned].next_id; + if ((q->tx_ring[tx_id].cmd_type_offset_bsz & + rte_cpu_to_le_64(ICE_TXD_QW1_DTYPE_M)) != + rte_cpu_to_le_64(ICE_TX_DESC_DTYPE_DESC_DONE)) + return 0; + + do { + if (sw_ring[tx_id].mbuf == NULL) + break; + + rte_pktmbuf_free_seg(sw_ring[tx_id].mbuf); + sw_ring[tx_id].mbuf = NULL; + sw_ring[tx_id].last_id = tx_id; + + /* Move to next segemnt. */ + tx_cleaned = tx_id; + tx_id = sw_ring[tx_id].next_id; + count++; + } while (count != (int)free_cnt); + + q->nb_tx_free += (uint16_t)count; + q->last_desc_cleaned = tx_cleaned; + + return count; +} + int ice_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx, diff --git a/drivers/net/ice/ice_rxtx.h b/drivers/net/ice/ice_rxtx.h index 9e3d2cd07..8d4232a61 100644 --- a/drivers/net/ice/ice_rxtx.h +++ b/drivers/net/ice/ice_rxtx.h @@ -183,6 +183,7 @@ int ice_rx_descriptor_status(void *rx_queue, uint16_t offset); int ice_tx_descriptor_status(void *tx_queue, uint16_t offset); void ice_set_default_ptype_table(struct rte_eth_dev *dev); const uint32_t *ice_dev_supported_ptypes_get(struct rte_eth_dev *dev); +int ice_tx_done_cleanup(void *txq, uint32_t free_cnt); int ice_rx_vec_dev_check(struct rte_eth_dev *dev); int ice_tx_vec_dev_check(struct rte_eth_dev *dev); -- 2.17.1