From patchwork Thu Aug 24 16:29:50 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajit Khaparde X-Patchwork-Id: 27903 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 2B0B07D52; Thu, 24 Aug 2017 18:30:17 +0200 (CEST) Received: from rnd-relay.smtp.broadcom.com (lpdvrndsmtp01.broadcom.com [192.19.229.170]) by dpdk.org (Postfix) with ESMTP id 916B77D46 for ; Thu, 24 Aug 2017 18:30:15 +0200 (CEST) Received: from mail-irv-17.broadcom.com (mail-irv-17.lvn.broadcom.net [10.75.224.233]) by rnd-relay.smtp.broadcom.com (Postfix) with ESMTP id 1F90430C061 for ; Thu, 24 Aug 2017 09:30:14 -0700 (PDT) Received: from C02PT1RBG8WP.wifi.broadcom.net (c02pt1rbg8wp.wifi.broadcom.net [10.45.51.51]) by mail-irv-17.broadcom.com (Postfix) with ESMTP id 882F981EA6 for ; Thu, 24 Aug 2017 09:30:13 -0700 (PDT) From: Ajit Khaparde To: dev@dpdk.org Date: Thu, 24 Aug 2017 11:29:50 -0500 Message-Id: <20170824162956.62761-4-ajit.khaparde@broadcom.com> X-Mailer: git-send-email 2.10.1 (Apple Git-78) In-Reply-To: <20170824162956.62761-1-ajit.khaparde@broadcom.com> References: <20170824162956.62761-1-ajit.khaparde@broadcom.com> Subject: [dpdk-dev] [PATCH 2/8] net/bnxt: add support for rx_queue_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" add support for rx_queue_count dev_op Signed-off-by: Ajit Khaparde --- drivers/net/bnxt/bnxt_ethdev.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c index 1302710..316a167 100644 --- a/drivers/net/bnxt/bnxt_ethdev.c +++ b/drivers/net/bnxt/bnxt_ethdev.c @@ -1517,6 +1517,28 @@ bnxt_dev_led_off_op(struct rte_eth_dev *dev) return bnxt_hwrm_port_led_cfg(bp, false); } +static uint32_t +bnxt_rx_queue_count_op(struct rte_eth_dev *dev, uint16_t rx_queue_id) +{ + uint32_t desc = 0, raw_cons = 0, cons; + struct bnxt_cp_ring_info *cpr; + struct bnxt_rx_queue *rxq; + struct rx_pkt_cmpl *rxcmp; + + rxq = dev->data->rx_queues[rx_queue_id]; + cpr = rxq->cp_ring; + + while (raw_cons < rxq->nb_rx_desc) { + cons = RING_CMP(cpr->cp_ring_struct, raw_cons++); + rxcmp = (struct rx_pkt_cmpl *)&cpr->cp_desc_ring[cons]; + + if (CMP_VALID(rxcmp, raw_cons, cpr->cp_ring_struct)) + desc++; + } + + return desc; +} + /* * Initialization */ @@ -1566,6 +1588,7 @@ static const struct eth_dev_ops bnxt_dev_ops = { .dev_led_off = bnxt_dev_led_off_op, .xstats_get_by_id = bnxt_dev_xstats_get_by_id_op, .xstats_get_names_by_id = bnxt_dev_xstats_get_names_by_id_op, + .rx_queue_count = bnxt_rx_queue_count_op, }; static bool bnxt_vf_pciid(uint16_t id)