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GET /api/patches/94497/?format=api
{ "id": 94497, "url": "https://patches.dpdk.org/api/patches/94497/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/20210618134032.1922012-17-andrew.rybchenko@oktetlabs.ru/", "project": { "id": 1, "url": "https://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": "<20210618134032.1922012-17-andrew.rybchenko@oktetlabs.ru>", "list_archive_url": "https://inbox.dpdk.org/dev/20210618134032.1922012-17-andrew.rybchenko@oktetlabs.ru", "date": "2021-06-18T13:40:28", "name": "[v3,16/20] net/sfc: add Rx datapath method to get pushed buffers count", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "7ab8fe7404ae2b7c30be61cc24c632ede2425856", "submitter": { "id": 2013, "url": "https://patches.dpdk.org/api/people/2013/?format=api", "name": "Andrew Rybchenko", "email": "Andrew.Rybchenko@oktetlabs.ru" }, "delegate": { "id": 24651, "url": "https://patches.dpdk.org/api/users/24651/?format=api", "username": "dmarchand", "first_name": "David", "last_name": "Marchand", "email": "david.marchand@redhat.com" }, "mbox": "https://patches.dpdk.org/project/dpdk/patch/20210618134032.1922012-17-andrew.rybchenko@oktetlabs.ru/mbox/", "series": [ { "id": 17397, "url": "https://patches.dpdk.org/api/series/17397/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=17397", "date": "2021-06-18T13:40:12", "name": "net/sfc: support flow API COUNT action", "version": 3, "mbox": "https://patches.dpdk.org/series/17397/mbox/" } ], "comments": "https://patches.dpdk.org/api/patches/94497/comments/", "check": "success", "checks": "https://patches.dpdk.org/api/patches/94497/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 2EE81A0C46;\n\tFri, 18 Jun 2021 15:42:45 +0200 (CEST)", "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 41CE34111D;\n\tFri, 18 Jun 2021 15:41:31 +0200 (CEST)", "from shelob.oktetlabs.ru (shelob.oktetlabs.ru [91.220.146.113])\n by mails.dpdk.org (Postfix) with ESMTP id 80201410F3\n for <dev@dpdk.org>; Fri, 18 Jun 2021 15:41:29 +0200 (CEST)", "by shelob.oktetlabs.ru (Postfix, from userid 122)\n id 478897F50E; Fri, 18 Jun 2021 16:41:29 +0300 (MSK)", "from aros.oktetlabs.ru (aros.oktetlabs.ru [192.168.38.17])\n by shelob.oktetlabs.ru (Postfix) with ESMTP id CE2C17F69E;\n Fri, 18 Jun 2021 16:40:35 +0300 (MSK)" ], "X-Spam-Checker-Version": "SpamAssassin 3.4.2 (2018-09-13) on shelob.oktetlabs.ru", "X-Spam-Level": "", "X-Spam-Status": "No, score=0.8 required=5.0 tests=ALL_TRUSTED,\n DKIM_ADSP_DISCARD,\n URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.2", "DKIM-Filter": "OpenDKIM Filter v2.11.0 shelob.oktetlabs.ru CE2C17F69E", "Authentication-Results": "shelob.oktetlabs.ru/CE2C17F69E; dkim=none;\n dkim-atps=neutral", "From": "Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>", "To": "dev@dpdk.org", "Cc": "David Marchand <david.marchand@redhat.com>,\n Igor Romanov <igor.romanov@oktetlabs.ru>,\n Andy Moreton <amoreton@xilinx.com>, Ivan Malov <ivan.malov@oktetlabs.ru>", "Date": "Fri, 18 Jun 2021 16:40:28 +0300", "Message-Id": "<20210618134032.1922012-17-andrew.rybchenko@oktetlabs.ru>", "X-Mailer": "git-send-email 2.30.2", "In-Reply-To": "<20210618134032.1922012-1-andrew.rybchenko@oktetlabs.ru>", "References": "<20210527152510.1551026-1-andrew.rybchenko@oktetlabs.ru>\n <20210618134032.1922012-1-andrew.rybchenko@oktetlabs.ru>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[dpdk-dev] [PATCH v3 16/20] net/sfc: add Rx datapath method to get\n pushed buffers count", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <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 <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "From: Igor Romanov <igor.romanov@oktetlabs.ru>\n\nThe information about the number of pushed Rx buffers is required\nfor counter Rx queue to know when to give credits to counter\nstream.\n\nSigned-off-by: Igor Romanov <igor.romanov@oktetlabs.ru>\nSigned-off-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>\nReviewed-by: Andy Moreton <amoreton@xilinx.com>\nReviewed-by: Ivan Malov <ivan.malov@oktetlabs.ru>\n---\n drivers/net/sfc/sfc_dp_rx.h | 4 ++++\n drivers/net/sfc/sfc_ef100_rx.c | 15 +++++++++++++++\n drivers/net/sfc/sfc_rx.c | 9 +++++++++\n drivers/net/sfc/sfc_rx.h | 3 +++\n 4 files changed, 31 insertions(+)", "diff": "diff --git a/drivers/net/sfc/sfc_dp_rx.h b/drivers/net/sfc/sfc_dp_rx.h\nindex 3f6857b1ff..b6c44085ce 100644\n--- a/drivers/net/sfc/sfc_dp_rx.h\n+++ b/drivers/net/sfc/sfc_dp_rx.h\n@@ -204,6 +204,9 @@ typedef int (sfc_dp_rx_intr_enable_t)(struct sfc_dp_rxq *dp_rxq);\n /** Disable Rx interrupts */\n typedef int (sfc_dp_rx_intr_disable_t)(struct sfc_dp_rxq *dp_rxq);\n \n+/** Get number of pushed Rx buffers */\n+typedef unsigned int (sfc_dp_rx_get_pushed_t)(struct sfc_dp_rxq *dp_rxq);\n+\n /** Receive datapath definition */\n struct sfc_dp_rx {\n \tstruct sfc_dp\t\t\t\tdp;\n@@ -238,6 +241,7 @@ struct sfc_dp_rx {\n \tsfc_dp_rx_qdesc_status_t\t\t*qdesc_status;\n \tsfc_dp_rx_intr_enable_t\t\t\t*intr_enable;\n \tsfc_dp_rx_intr_disable_t\t\t*intr_disable;\n+\tsfc_dp_rx_get_pushed_t\t\t\t*get_pushed;\n \teth_rx_burst_t\t\t\t\tpkt_burst;\n };\n \ndiff --git a/drivers/net/sfc/sfc_ef100_rx.c b/drivers/net/sfc/sfc_ef100_rx.c\nindex 8cde24c585..7447f8b9de 100644\n--- a/drivers/net/sfc/sfc_ef100_rx.c\n+++ b/drivers/net/sfc/sfc_ef100_rx.c\n@@ -892,6 +892,20 @@ sfc_ef100_rx_intr_disable(struct sfc_dp_rxq *dp_rxq)\n \treturn 0;\n }\n \n+static sfc_dp_rx_get_pushed_t sfc_ef100_rx_get_pushed;\n+static unsigned int\n+sfc_ef100_rx_get_pushed(struct sfc_dp_rxq *dp_rxq)\n+{\n+\tstruct sfc_ef100_rxq *rxq = sfc_ef100_rxq_by_dp_rxq(dp_rxq);\n+\n+\t/*\n+\t * The datapath keeps track only of added descriptors, since\n+\t * the number of pushed descriptors always equals the number\n+\t * of added descriptors due to enforced alignment.\n+\t */\n+\treturn rxq->added;\n+}\n+\n struct sfc_dp_rx sfc_ef100_rx = {\n \t.dp = {\n \t\t.name\t\t= SFC_KVARG_DATAPATH_EF100,\n@@ -919,5 +933,6 @@ struct sfc_dp_rx sfc_ef100_rx = {\n \t.qdesc_status\t\t= sfc_ef100_rx_qdesc_status,\n \t.intr_enable\t\t= sfc_ef100_rx_intr_enable,\n \t.intr_disable\t\t= sfc_ef100_rx_intr_disable,\n+\t.get_pushed\t\t= sfc_ef100_rx_get_pushed,\n \t.pkt_burst\t\t= sfc_ef100_recv_pkts,\n };\ndiff --git a/drivers/net/sfc/sfc_rx.c b/drivers/net/sfc/sfc_rx.c\nindex 0532f77082..f6a8ac68e8 100644\n--- a/drivers/net/sfc/sfc_rx.c\n+++ b/drivers/net/sfc/sfc_rx.c\n@@ -53,6 +53,15 @@ sfc_rx_qflush_failed(struct sfc_rxq_info *rxq_info)\n \trxq_info->state &= ~SFC_RXQ_FLUSHING;\n }\n \n+/* This returns the running counter, which is not bounded by ring size */\n+unsigned int\n+sfc_rx_get_pushed(struct sfc_adapter *sa, struct sfc_dp_rxq *dp_rxq)\n+{\n+\tSFC_ASSERT(sa->priv.dp_rx->get_pushed != NULL);\n+\n+\treturn sa->priv.dp_rx->get_pushed(dp_rxq);\n+}\n+\n static int\n sfc_efx_rx_qprime(struct sfc_efx_rxq *rxq)\n {\ndiff --git a/drivers/net/sfc/sfc_rx.h b/drivers/net/sfc/sfc_rx.h\nindex e5a6fde79b..4ab513915e 100644\n--- a/drivers/net/sfc/sfc_rx.h\n+++ b/drivers/net/sfc/sfc_rx.h\n@@ -145,6 +145,9 @@ uint64_t sfc_rx_get_queue_offload_caps(struct sfc_adapter *sa);\n void sfc_rx_qflush_done(struct sfc_rxq_info *rxq_info);\n void sfc_rx_qflush_failed(struct sfc_rxq_info *rxq_info);\n \n+unsigned int sfc_rx_get_pushed(struct sfc_adapter *sa,\n+\t\t\t struct sfc_dp_rxq *dp_rxq);\n+\n int sfc_rx_hash_init(struct sfc_adapter *sa);\n void sfc_rx_hash_fini(struct sfc_adapter *sa);\n int sfc_rx_hf_rte_to_efx(struct sfc_adapter *sa, uint64_t rte,\n", "prefixes": [ "v3", "16/20" ] }