From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 19959A0547; Thu, 21 Oct 2021 11:54:44 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 1D9EE4126B; Thu, 21 Oct 2021 11:51:28 +0200 (CEST) Received: from smtpbgau2.qq.com (smtpbgau2.qq.com [54.206.34.216]) by mails.dpdk.org (Postfix) with ESMTP id E992741284 for ; Thu, 21 Oct 2021 11:51:23 +0200 (CEST) X-QQ-mid: bizesmtp38t1634809878tfr4jik5 Received: from jiawenwu.trustnetic.com (unknown [183.129.236.74]) by esmtp6.qq.com (ESMTP) with id ; Thu, 21 Oct 2021 17:51:17 +0800 (CST) X-QQ-SSF: 01400000000000E0I000000A0000000 X-QQ-FEAT: a4niRxydalEjgaVODz8MZrzRVZeBbmiIN5+JNyDVpGLUIl43hnGyhobEXCv3B PDqLghmisjo/UCzyvkxT8Uqv4+OB9PkLj3SU69rps+nIdkEZ0bm8aNAnn8AUg3Twf7Igahv 6UE4vyHzCpijd7WmhTmKKMgYjmAgqvuVe44HnMOAeGzkvKkmE7gfHFCLo8xEhjEZRGTxLm/ S1oMeoWHFvX8JN3D0kUSKa6BTiY4O1v2NFPmW44Nkyfnrvrng21yyqMtCNZrF5Zx1FBchTe PIc0lRbMo3xcBN6wP32taCmMl41XJZlNBy5hCvnN0s+2Mpuaa3l5hb8hIcpoYCvuj+yjMGq JY13sFQ2PiLhtf8Pbqajabe2AqIbvTPFKUpNsmpfIeyB4Dfj5A= X-QQ-GoodBg: 2 From: Jiawen Wu To: dev@dpdk.org Cc: Jiawen Wu Date: Thu, 21 Oct 2021 17:50:23 +0800 Message-Id: <20211021095023.18288-27-jiawenwu@trustnetic.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20211021095023.18288-1-jiawenwu@trustnetic.com> References: <20211021095023.18288-1-jiawenwu@trustnetic.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:trustnetic.com:qybgforeign:qybgforeign2 X-QQ-Bgrelay: 1 Subject: [dpdk-dev] [PATCH v2 26/26] net/ngbe: add Tx done cleanup X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 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 for API rte_eth_tx_done_cleanup(). Signed-off-by: Jiawen Wu --- drivers/net/ngbe/ngbe_ethdev.c | 1 + drivers/net/ngbe/ngbe_rxtx.c | 89 ++++++++++++++++++++++++++++++++++ drivers/net/ngbe/ngbe_rxtx.h | 1 + 3 files changed, 91 insertions(+) diff --git a/drivers/net/ngbe/ngbe_ethdev.c b/drivers/net/ngbe/ngbe_ethdev.c index 706227339f..e9e3c03ee0 100644 --- a/drivers/net/ngbe/ngbe_ethdev.c +++ b/drivers/net/ngbe/ngbe_ethdev.c @@ -3103,6 +3103,7 @@ static const struct eth_dev_ops ngbe_eth_dev_ops = { .timesync_adjust_time = ngbe_timesync_adjust_time, .timesync_read_time = ngbe_timesync_read_time, .timesync_write_time = ngbe_timesync_write_time, + .tx_done_cleanup = ngbe_dev_tx_done_cleanup, }; RTE_PMD_REGISTER_PCI(net_ngbe, rte_ngbe_pmd); diff --git a/drivers/net/ngbe/ngbe_rxtx.c b/drivers/net/ngbe/ngbe_rxtx.c index e1a999a470..575ae60f4f 100644 --- a/drivers/net/ngbe/ngbe_rxtx.c +++ b/drivers/net/ngbe/ngbe_rxtx.c @@ -1713,6 +1713,95 @@ ngbe_tx_queue_release_mbufs(struct ngbe_tx_queue *txq) } } +static int +ngbe_tx_done_cleanup_full(struct ngbe_tx_queue *txq, uint32_t free_cnt) +{ + struct ngbe_tx_entry *swr_ring = txq->sw_ring; + uint16_t i, tx_last, tx_id; + uint16_t nb_tx_free_last; + uint16_t nb_tx_to_clean; + uint32_t pkt_cnt; + + /* Start free mbuf from the next of tx_tail */ + tx_last = txq->tx_tail; + tx_id = swr_ring[tx_last].next_id; + + if (txq->nb_tx_free == 0 && ngbe_xmit_cleanup(txq)) + return 0; + + nb_tx_to_clean = txq->nb_tx_free; + nb_tx_free_last = txq->nb_tx_free; + if (!free_cnt) + free_cnt = txq->nb_tx_desc; + + /* Loop through swr_ring to count the amount of + * freeable mubfs and packets. + */ + for (pkt_cnt = 0; pkt_cnt < free_cnt; ) { + for (i = 0; i < nb_tx_to_clean && + pkt_cnt < free_cnt && + tx_id != tx_last; i++) { + if (swr_ring[tx_id].mbuf != NULL) { + rte_pktmbuf_free_seg(swr_ring[tx_id].mbuf); + swr_ring[tx_id].mbuf = NULL; + + /* + * last segment in the packet, + * increment packet count + */ + pkt_cnt += (swr_ring[tx_id].last_id == tx_id); + } + + tx_id = swr_ring[tx_id].next_id; + } + + if (pkt_cnt < free_cnt) { + if (ngbe_xmit_cleanup(txq)) + break; + + nb_tx_to_clean = txq->nb_tx_free - nb_tx_free_last; + nb_tx_free_last = txq->nb_tx_free; + } + } + + return (int)pkt_cnt; +} + +static int +ngbe_tx_done_cleanup_simple(struct ngbe_tx_queue *txq, + uint32_t free_cnt) +{ + int i, n, cnt; + + if (free_cnt == 0 || free_cnt > txq->nb_tx_desc) + free_cnt = txq->nb_tx_desc; + + cnt = free_cnt - free_cnt % txq->tx_free_thresh; + + for (i = 0; i < cnt; i += n) { + if (txq->nb_tx_desc - txq->nb_tx_free < txq->tx_free_thresh) + break; + + n = ngbe_tx_free_bufs(txq); + + if (n == 0) + break; + } + + return i; +} + +int +ngbe_dev_tx_done_cleanup(void *tx_queue, uint32_t free_cnt) +{ + struct ngbe_tx_queue *txq = (struct ngbe_tx_queue *)tx_queue; + if (txq->offloads == 0 && + txq->tx_free_thresh >= RTE_PMD_NGBE_TX_MAX_BURST) + return ngbe_tx_done_cleanup_simple(txq, free_cnt); + + return ngbe_tx_done_cleanup_full(txq, free_cnt); +} + static void ngbe_tx_free_swring(struct ngbe_tx_queue *txq) { diff --git a/drivers/net/ngbe/ngbe_rxtx.h b/drivers/net/ngbe/ngbe_rxtx.h index 58425bbdd3..d5cae4934a 100644 --- a/drivers/net/ngbe/ngbe_rxtx.h +++ b/drivers/net/ngbe/ngbe_rxtx.h @@ -368,6 +368,7 @@ struct ngbe_txq_ops { void ngbe_set_tx_function(struct rte_eth_dev *dev, struct ngbe_tx_queue *txq); void ngbe_set_rx_function(struct rte_eth_dev *dev); +int ngbe_dev_tx_done_cleanup(void *tx_queue, uint32_t free_cnt); uint64_t ngbe_get_tx_port_offloads(struct rte_eth_dev *dev); uint64_t ngbe_get_rx_queue_offloads(struct rte_eth_dev *dev); -- 2.21.0.windows.1