From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id B731BF8C0 for ; Fri, 3 Mar 2017 12:20:28 +0100 (CET) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga105.fm.intel.com with ESMTP; 03 Mar 2017 03:20:27 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.35,236,1484035200"; d="scan'208";a="940194656" Received: from unknown (HELO dpdk5.bj.intel.com) ([172.16.182.182]) by orsmga003.jf.intel.com with ESMTP; 03 Mar 2017 03:20:25 -0800 From: Zhiyong Yang To: dev@dpdk.org Cc: bruce.richardson@intel.com, Helin Zhang , Jingjing Wu , Zhiyong Yang Date: Fri, 3 Mar 2017 19:17:28 +0800 Message-Id: <1488539851-71009-3-git-send-email-zhiyong.yang@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1488539851-71009-1-git-send-email-zhiyong.yang@intel.com> References: <1487926101-4637-2-git-send-email-zhiyong.yang@intel.com> <1488539851-71009-1-git-send-email-zhiyong.yang@intel.com> Subject: [dpdk-dev] [PATCH v2 2/5] net/i40e: remove limit of i40e_xmit_pkts_vec burst size 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: , X-List-Received-Date: Fri, 03 Mar 2017 11:20:29 -0000 To add a wrapper function to remove the limit of tx burst size. The patch makes i40e vec function an best effort to transmit the pkts in the consistent behavior like i40e_xmit_pkts_simple and i40e_xmit_pkts do that. Cc: Helin Zhang Cc: Jingjing Wu Signed-off-by: Zhiyong Yang --- drivers/net/i40e/i40e_rxtx.c | 28 +++++++++++++++++++++++++--- drivers/net/i40e/i40e_rxtx.h | 4 ++-- drivers/net/i40e/i40e_rxtx_vec_neon.c | 4 ++-- drivers/net/i40e/i40e_rxtx_vec_sse.c | 4 ++-- 4 files changed, 31 insertions(+), 9 deletions(-) diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c index 48429cc..85d4194 100644 --- a/drivers/net/i40e/i40e_rxtx.c +++ b/drivers/net/i40e/i40e_rxtx.c @@ -1426,6 +1426,28 @@ i40e_xmit_pkts_simple(void *tx_queue, return nb_tx; } +static uint16_t +i40e_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts) +{ + uint16_t nb_tx = 0; + struct i40e_tx_queue *txq = (struct i40e_tx_queue *)tx_queue; + + while (nb_pkts) { + uint16_t ret, num; + + num = (uint16_t)RTE_MIN(nb_pkts, txq->tx_rs_thresh); + ret = i40e_xmit_fixed_burst_vec(tx_queue, &tx_pkts[nb_tx], + num); + nb_tx += ret; + nb_pkts -= ret; + if (ret < num) + break; + } + + return nb_tx; +} + /********************************************************************* * * TX prep functions @@ -2897,9 +2919,9 @@ i40e_rx_queue_release_mbufs_vec(struct i40e_rx_queue __rte_unused*rxq) } uint16_t __attribute__((weak)) -i40e_xmit_pkts_vec(void __rte_unused *tx_queue, - struct rte_mbuf __rte_unused **tx_pkts, - uint16_t __rte_unused nb_pkts) +i40e_xmit_fixed_burst_vec(void __rte_unused *tx_queue, + struct rte_mbuf __rte_unused **tx_pkts, + uint16_t __rte_unused nb_pkts) { return 0; } diff --git a/drivers/net/i40e/i40e_rxtx.h b/drivers/net/i40e/i40e_rxtx.h index 9df8a56..d27ef45 100644 --- a/drivers/net/i40e/i40e_rxtx.h +++ b/drivers/net/i40e/i40e_rxtx.h @@ -256,8 +256,8 @@ int i40e_rx_vec_dev_conf_condition_check(struct rte_eth_dev *dev); int i40e_rxq_vec_setup(struct i40e_rx_queue *rxq); int i40e_txq_vec_setup(struct i40e_tx_queue *txq); void i40e_rx_queue_release_mbufs_vec(struct i40e_rx_queue *rxq); -uint16_t i40e_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts, - uint16_t nb_pkts); +uint16_t i40e_xmit_fixed_burst_vec(void *tx_queue, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts); void i40e_set_rx_function(struct rte_eth_dev *dev); void i40e_set_tx_function_flag(struct rte_eth_dev *dev, struct i40e_tx_queue *txq); diff --git a/drivers/net/i40e/i40e_rxtx_vec_neon.c b/drivers/net/i40e/i40e_rxtx_vec_neon.c index 011c54e..fc69852 100644 --- a/drivers/net/i40e/i40e_rxtx_vec_neon.c +++ b/drivers/net/i40e/i40e_rxtx_vec_neon.c @@ -523,8 +523,8 @@ vtx(volatile struct i40e_tx_desc *txdp, } uint16_t -i40e_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts, - uint16_t nb_pkts) +i40e_xmit_fixed_burst_vec(void *tx_queue, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts) { struct i40e_tx_queue *txq = (struct i40e_tx_queue *)tx_queue; volatile struct i40e_tx_desc *txdp; diff --git a/drivers/net/i40e/i40e_rxtx_vec_sse.c b/drivers/net/i40e/i40e_rxtx_vec_sse.c index b95cc8e..deed7e2 100644 --- a/drivers/net/i40e/i40e_rxtx_vec_sse.c +++ b/drivers/net/i40e/i40e_rxtx_vec_sse.c @@ -536,8 +536,8 @@ vtx(volatile struct i40e_tx_desc *txdp, } uint16_t -i40e_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts, - uint16_t nb_pkts) +i40e_xmit_fixed_burst_vec(void *tx_queue, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts) { struct i40e_tx_queue *txq = (struct i40e_tx_queue *)tx_queue; volatile struct i40e_tx_desc *txdp; -- 2.7.4