From patchwork Fri Dec 2 07:44:37 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Rybchenko X-Patchwork-Id: 17405 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id C51C3FA96; Fri, 2 Dec 2016 08:46:03 +0100 (CET) Received: from nbfkord-smmo02.seg.att.com (nbfkord-smmo02.seg.att.com [209.65.160.78]) by dpdk.org (Postfix) with ESMTP id 8887AFA40 for ; Fri, 2 Dec 2016 08:45:16 +0100 (CET) Received: from unknown [12.187.104.26] by nbfkord-smmo02.seg.att.com(mxl_mta-7.2.4-7) with SMTP id c8621485.0.106140.00-2352.245968.nbfkord-smmo02.seg.att.com (envelope-from ); Fri, 02 Dec 2016 07:45:16 +0000 (UTC) X-MXL-Hash: 5841268c3e044167-385e38b435f4137821ea1dec6779ede9e378f7bf Received: from ocex03.SolarFlarecom.com (10.20.40.36) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1044.25; Thu, 1 Dec 2016 23:45:02 -0800 Received: from opal.uk.solarflarecom.com (10.17.10.1) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1044.25 via Frontend Transport; Thu, 1 Dec 2016 23:45:02 -0800 Received: from uklogin.uk.solarflarecom.com (uklogin.uk.solarflarecom.com [10.17.10.10]) by opal.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id uB27j0nZ005895 for ; Fri, 2 Dec 2016 07:45:00 GMT Received: from uklogin.uk.solarflarecom.com (localhost.localdomain [127.0.0.1]) by uklogin.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id uB27ixws026628 for ; Fri, 2 Dec 2016 07:45:00 GMT From: Andrew Rybchenko To: Date: Fri, 2 Dec 2016 07:44:37 +0000 Message-ID: <1480664691-26561-18-git-send-email-arybchenko@solarflare.com> X-Mailer: git-send-email 1.8.2.3 In-Reply-To: <1480664691-26561-1-git-send-email-arybchenko@solarflare.com> References: <1480664691-26561-1-git-send-email-arybchenko@solarflare.com> MIME-Version: 1.0 X-AnalysisOut: [v=2.1 cv=NIXTjhOg c=1 sm=1 tr=0 a=8BlWFWvVlq5taO8ncb8nKg==] X-AnalysisOut: [:17 a=n5n_aSjo0skA:10 a=zRKbQ67AAAAA:8 a=GXR-bymMMbl77G2L-] X-AnalysisOut: [qYA:9 a=PA03WX8tBzeizutn5_OT:22] X-Spam: [F=0.4252881871; CM=0.500; S=0.425(2015072901)] X-MAIL-FROM: X-SOURCE-IP: [12.187.104.26] Subject: [dpdk-dev] [PATCH 17/31] net/sfc: add callback to get RxQ pending descriptors count 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" Reviewed-by: Andrew Lee Reviewed-by: Robert Stonehouse Signed-off-by: Andrew Rybchenko --- drivers/net/sfc/sfc_ethdev.c | 11 +++++++++++ drivers/net/sfc/sfc_rx.c | 16 ++++++++++++++++ drivers/net/sfc/sfc_rx.h | 3 +++ 3 files changed, 30 insertions(+) diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c index 1d7993f..163f9ed 100644 --- a/drivers/net/sfc/sfc_ethdev.c +++ b/drivers/net/sfc/sfc_ethdev.c @@ -845,6 +845,16 @@ sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id, sfc_adapter_unlock(sa); } +static uint32_t +sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id) +{ + struct sfc_adapter *sa = dev->data->dev_private; + + sfc_log_init(sa, "RxQ=%u", rx_queue_id); + + return sfc_rx_qdesc_npending(sa, rx_queue_id); +} + static const struct eth_dev_ops sfc_eth_dev_ops = { .dev_configure = sfc_dev_configure, .dev_start = sfc_dev_start, @@ -865,6 +875,7 @@ static const struct eth_dev_ops sfc_eth_dev_ops = { .mtu_set = sfc_dev_set_mtu, .rx_queue_setup = sfc_rx_queue_setup, .rx_queue_release = sfc_rx_queue_release, + .rx_queue_count = sfc_rx_queue_count, .tx_queue_setup = sfc_tx_queue_setup, .tx_queue_release = sfc_tx_queue_release, .flow_ctrl_get = sfc_flow_ctrl_get, diff --git a/drivers/net/sfc/sfc_rx.c b/drivers/net/sfc/sfc_rx.c index 278d583..ff9d799 100644 --- a/drivers/net/sfc/sfc_rx.c +++ b/drivers/net/sfc/sfc_rx.c @@ -257,6 +257,22 @@ sfc_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) return done_pkts; } +unsigned int +sfc_rx_qdesc_npending(struct sfc_adapter *sa, unsigned int sw_index) +{ + struct sfc_rxq *rxq; + + SFC_ASSERT(sw_index < sa->rxq_count); + rxq = sa->rxq_info[sw_index].rxq; + + if (rxq == NULL || (rxq->state & SFC_RXQ_RUNNING) == 0) + return 0; + + sfc_ev_qpoll(rxq->evq); + + return rxq->pending - rxq->completed; +} + static void sfc_rx_qpurge(struct sfc_rxq *rxq) { diff --git a/drivers/net/sfc/sfc_rx.h b/drivers/net/sfc/sfc_rx.h index 69318ab..8064af6 100644 --- a/drivers/net/sfc/sfc_rx.h +++ b/drivers/net/sfc/sfc_rx.h @@ -140,6 +140,9 @@ void sfc_rx_qflush_failed(struct sfc_rxq *rxq); uint16_t sfc_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts); +unsigned int sfc_rx_qdesc_npending(struct sfc_adapter *sa, + unsigned int sw_index); + #ifdef __cplusplus } #endif