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GET /api/patches/41978/?format=api
{ "id": 41978, "url": "http://patches.dpdk.org/api/patches/41978/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1530286891-8833-1-git-send-email-arybchenko@solarflare.com/", "project": { "id": 1, "url": "http://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<1530286891-8833-1-git-send-email-arybchenko@solarflare.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1530286891-8833-1-git-send-email-arybchenko@solarflare.com", "date": "2018-06-29T15:41:30", "name": "[1/2] net/sfc: support ops to check ready descriptors in ESSB Rx", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "7af42ff2fd4149d37d247e91389d99128e61a9ce", "submitter": { "id": 607, "url": "http://patches.dpdk.org/api/people/607/?format=api", "name": "Andrew Rybchenko", "email": "arybchenko@solarflare.com" }, "delegate": { "id": 319, "url": "http://patches.dpdk.org/api/users/319/?format=api", "username": "fyigit", "first_name": "Ferruh", "last_name": "Yigit", "email": "ferruh.yigit@amd.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1530286891-8833-1-git-send-email-arybchenko@solarflare.com/mbox/", "series": [ { "id": 329, "url": "http://patches.dpdk.org/api/series/329/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=329", "date": "2018-06-29T15:41:30", "name": "[1/2] net/sfc: support ops to check ready descriptors in ESSB Rx", "version": 1, "mbox": "http://patches.dpdk.org/series/329/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/41978/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/41978/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 28F961B57E;\n\tFri, 29 Jun 2018 17:41:44 +0200 (CEST)", "from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com\n\t[67.231.154.164]) by dpdk.org (Postfix) with ESMTP id 766081B557\n\tfor <dev@dpdk.org>; Fri, 29 Jun 2018 17:41:42 +0200 (CEST)", "from webmail.solarflare.com (webmail.solarflare.com\n\t[12.187.104.26])\n\t(using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1-us3.ppe-hosted.com (Proofpoint Essentials ESMTP Server) with\n\tESMTPS id\n\t8064BB8006C for <dev@dpdk.org>; Fri, 29 Jun 2018 15:41:41 +0000 (UTC)", "from ocex03.SolarFlarecom.com (10.20.40.36) by\n\tocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server\n\t(TLS) id 15.0.1044.25; Fri, 29 Jun 2018 08:41:38 -0700", "from opal.uk.solarflarecom.com (10.17.10.1) by\n\tocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server\n\t(TLS) id\n\t15.0.1044.25 via Frontend Transport; Fri, 29 Jun 2018 08:41:38 -0700", "from uklogin.uk.solarflarecom.com (uklogin.uk.solarflarecom.com\n\t[10.17.10.10])\n\tby opal.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id\n\tw5TFfbmd032656 for <dev@dpdk.org>; Fri, 29 Jun 2018 16:41:37 +0100", "from uklogin.uk.solarflarecom.com (localhost.localdomain\n\t[127.0.0.1])\n\tby uklogin.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id\n\tw5TFfb9F008883 for <dev@dpdk.org>; Fri, 29 Jun 2018 16:41:37 +0100" ], "X-Virus-Scanned": "Proofpoint Essentials engine", "From": "Andrew Rybchenko <arybchenko@solarflare.com>", "To": "<dev@dpdk.org>", "Date": "Fri, 29 Jun 2018 16:41:30 +0100", "Message-ID": "<1530286891-8833-1-git-send-email-arybchenko@solarflare.com>", "X-Mailer": "git-send-email 1.8.2.3", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-MDID": "1530286902-Y-33KdJjK2O4", "Subject": "[dpdk-dev] [PATCH 1/2] net/sfc: support ops to check ready\n\tdescriptors in ESSB Rx", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "Implement EF10 ESSB Rx datapath callback to get number of pending\ndescriptors.\n\nSigned-off-by: Andrew Rybchenko <arybchenko@solarflare.com>\nReviewed-by: Ivan Malov <ivan.malov@oktetlabs.ru>\n---\n drivers/net/sfc/sfc_ef10_essb_rx.c | 27 +++++++++++++++++++++------\n 1 file changed, 21 insertions(+), 6 deletions(-)", "diff": "diff --git a/drivers/net/sfc/sfc_ef10_essb_rx.c b/drivers/net/sfc/sfc_ef10_essb_rx.c\nindex dcb5cb24c..257e40db1 100644\n--- a/drivers/net/sfc/sfc_ef10_essb_rx.c\n+++ b/drivers/net/sfc/sfc_ef10_essb_rx.c\n@@ -404,13 +404,28 @@ sfc_ef10_essb_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,\n \n static sfc_dp_rx_qdesc_npending_t sfc_ef10_essb_rx_qdesc_npending;\n static unsigned int\n-sfc_ef10_essb_rx_qdesc_npending(__rte_unused struct sfc_dp_rxq *dp_rxq)\n+sfc_ef10_essb_rx_qdesc_npending(struct sfc_dp_rxq *dp_rxq)\n {\n-\t/*\n-\t * Correct implementation requires EvQ polling and events\n-\t * processing.\n-\t */\n-\treturn -ENOTSUP;\n+\tstruct sfc_ef10_essb_rxq *rxq = sfc_ef10_essb_rxq_by_dp_rxq(dp_rxq);\n+\tconst unsigned int evq_old_read_ptr = rxq->evq_read_ptr;\n+\tefx_qword_t rx_ev;\n+\n+\tif (unlikely(rxq->flags & (SFC_EF10_ESSB_RXQ_NOT_RUNNING |\n+\t\t\t\t SFC_EF10_ESSB_RXQ_EXCEPTION)))\n+\t\treturn rxq->bufs_pending;\n+\n+\twhile (sfc_ef10_essb_rx_event_get(rxq, &rx_ev)) {\n+\t\t/*\n+\t\t * DROP_EVENT is an internal to the NIC, software should\n+\t\t * never see it and, therefore, may ignore it.\n+\t\t */\n+\t\tsfc_ef10_essb_rx_process_ev(rxq, rx_ev);\n+\t}\n+\n+\tsfc_ef10_ev_qclear(rxq->evq_hw_ring, rxq->evq_ptr_mask,\n+\t\t\t evq_old_read_ptr, rxq->evq_read_ptr);\n+\n+\treturn rxq->bufs_pending;\n }\n \n static sfc_dp_rx_qdesc_status_t sfc_ef10_essb_rx_qdesc_status;\n", "prefixes": [ "1/2" ] }