From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Rybchenko Subject: [PATCH 2/2] net/sfc: support Rx descriptor status for EF10 ESSB datapath Date: Fri, 29 Jun 2018 16:41:31 +0100 Message-ID: <1530286891-8833-2-git-send-email-arybchenko@solarflare.com> References: <1530286891-8833-1-git-send-email-arybchenko@solarflare.com> Mime-Version: 1.0 Content-Type: text/plain To: Return-path: Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [67.231.154.164]) by dpdk.org (Postfix) with ESMTP id A85A71B57E for ; Fri, 29 Jun 2018 17:41:42 +0200 (CEST) Received: from webmail.solarflare.com (webmail.solarflare.com [12.187.104.26]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1-us3.ppe-hosted.com (Proofpoint Essentials ESMTP Server) with ESMTPS id AF2BCB8005D for ; Fri, 29 Jun 2018 15:41:41 +0000 (UTC) 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 w5TFfbuh032657 for ; Fri, 29 Jun 2018 16:41:37 +0100 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 w5TFfb9G008883 for ; Fri, 29 Jun 2018 16:41:37 +0100 In-Reply-To: <1530286891-8833-1-git-send-email-arybchenko@solarflare.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Signed-off-by: Andrew Rybchenko Reviewed-by: Ivan Malov --- drivers/net/sfc/sfc_ef10_essb_rx.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/drivers/net/sfc/sfc_ef10_essb_rx.c b/drivers/net/sfc/sfc_ef10_essb_rx.c index 257e40db1..040380650 100644 --- a/drivers/net/sfc/sfc_ef10_essb_rx.c +++ b/drivers/net/sfc/sfc_ef10_essb_rx.c @@ -430,10 +430,19 @@ sfc_ef10_essb_rx_qdesc_npending(struct sfc_dp_rxq *dp_rxq) static sfc_dp_rx_qdesc_status_t sfc_ef10_essb_rx_qdesc_status; static int -sfc_ef10_essb_rx_qdesc_status(__rte_unused struct sfc_dp_rxq *dp_rxq, - __rte_unused uint16_t offset) +sfc_ef10_essb_rx_qdesc_status(struct sfc_dp_rxq *dp_rxq, uint16_t offset) { - return -ENOTSUP; + struct sfc_ef10_essb_rxq *rxq = sfc_ef10_essb_rxq_by_dp_rxq(dp_rxq); + unsigned int pending = sfc_ef10_essb_rx_qdesc_npending(dp_rxq); + + if (offset < pending) + return RTE_ETH_RX_DESC_DONE; + + if (offset < (rxq->added - rxq->completed) * rxq->block_size + + rxq->left_in_completed - rxq->block_size) + return RTE_ETH_RX_DESC_AVAIL; + + return RTE_ETH_RX_DESC_UNAVAIL; } static sfc_dp_rx_get_dev_info_t sfc_ef10_essb_rx_get_dev_info; -- 2.17.1