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GET /api/patches/8056/?format=api
{ "id": 8056, "url": "https://patches.dpdk.org/api/patches/8056/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/1445939209-12783-11-git-send-email-jing.d.chen@intel.com/", "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": "<1445939209-12783-11-git-send-email-jing.d.chen@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1445939209-12783-11-git-send-email-jing.d.chen@intel.com", "date": "2015-10-27T09:46:43", "name": "[dpdk-dev,v3,10/16] fm10k: add func to release mbuf in case Vector RX applied", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "a6740255a5ed575401edcb08066812ae6bd65f5a", "submitter": { "id": 40, "url": "https://patches.dpdk.org/api/people/40/?format=api", "name": "Chen, Jing D", "email": "jing.d.chen@intel.com" }, "delegate": null, "mbox": "https://patches.dpdk.org/project/dpdk/patch/1445939209-12783-11-git-send-email-jing.d.chen@intel.com/mbox/", "series": [], "comments": "https://patches.dpdk.org/api/patches/8056/comments/", "check": "pending", "checks": "https://patches.dpdk.org/api/patches/8056/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 [IPv6:::1])\n\tby dpdk.org (Postfix) with ESMTP id 413438E7E;\n\tTue, 27 Oct 2015 10:47:27 +0100 (CET)", "from mga02.intel.com (mga02.intel.com [134.134.136.20])\n\tby dpdk.org (Postfix) with ESMTP id E243A8DA6\n\tfor <dev@dpdk.org>; Tue, 27 Oct 2015 10:47:19 +0100 (CET)", "from orsmga002.jf.intel.com ([10.7.209.21])\n\tby orsmga101.jf.intel.com with ESMTP; 27 Oct 2015 02:47:19 -0700", "from shvmail01.sh.intel.com ([10.239.29.42])\n\tby orsmga002.jf.intel.com with ESMTP; 27 Oct 2015 02:47:18 -0700", "from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com\n\t[10.239.29.89])\n\tby shvmail01.sh.intel.com with ESMTP id t9R9lGVD031012;\n\tTue, 27 Oct 2015 17:47:16 +0800", "from shecgisg004.sh.intel.com (localhost [127.0.0.1])\n\tby shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP\n\tid t9R9lDUS013395; Tue, 27 Oct 2015 17:47:15 +0800", "(from jingche2@localhost)\n\tby shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t9R9lDHY013375; \n\tTue, 27 Oct 2015 17:47:13 +0800" ], "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.20,204,1444719600\"; d=\"scan'208\";a=\"835972940\"", "From": "\"Chen Jing D(Mark)\" <jing.d.chen@intel.com>", "To": "dev@dpdk.org", "Date": "Tue, 27 Oct 2015 17:46:43 +0800", "Message-Id": "<1445939209-12783-11-git-send-email-jing.d.chen@intel.com>", "X-Mailer": "git-send-email 1.7.12.2", "In-Reply-To": "<1445939209-12783-1-git-send-email-jing.d.chen@intel.com>", "References": "<1445507104-22563-2-git-send-email-jing.d.chen@intel.com>\n\t<1445939209-12783-1-git-send-email-jing.d.chen@intel.com>", "Subject": "[dpdk-dev] [PATCH v3 10/16] fm10k: add func to release mbuf in case\n\tVector RX applied", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "patches and discussions about DPDK <dev.dpdk.org>", "List-Unsubscribe": "<http://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://dpdk.org/ml/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<http://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "From: \"Chen Jing D(Mark)\" <jing.d.chen@intel.com>\n\nSince Vector RX use different variables to trace RX HW ring, it\nleads to need different func to release mbuf properly.\n\nSigned-off-by: Chen Jing D(Mark) <jing.d.chen@intel.com>\n---\n drivers/net/fm10k/fm10k.h | 1 +\n drivers/net/fm10k/fm10k_ethdev.c | 6 ++++++\n drivers/net/fm10k/fm10k_rxtx_vec.c | 18 ++++++++++++++++++\n 3 files changed, 25 insertions(+), 0 deletions(-)", "diff": "diff --git a/drivers/net/fm10k/fm10k.h b/drivers/net/fm10k/fm10k.h\nindex 8614e81..c5e66e2 100644\n--- a/drivers/net/fm10k/fm10k.h\n+++ b/drivers/net/fm10k/fm10k.h\n@@ -329,6 +329,7 @@ uint16_t fm10k_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,\n \n int fm10k_rxq_vec_setup(struct fm10k_rx_queue *rxq);\n int fm10k_rx_vec_condition_check(struct rte_eth_dev *);\n+void fm10k_rx_queue_release_mbufs_vec(struct fm10k_rx_queue *rxq);\n uint16_t fm10k_recv_pkts_vec(void *, struct rte_mbuf **, uint16_t);\n uint16_t fm10k_recv_scattered_pkts_vec(void *, struct rte_mbuf **,\n \t\t\t\t\tuint16_t);\ndiff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c\nindex 4690a0c..a46a349 100644\n--- a/drivers/net/fm10k/fm10k_ethdev.c\n+++ b/drivers/net/fm10k/fm10k_ethdev.c\n@@ -143,6 +143,12 @@ rx_queue_clean(struct fm10k_rx_queue *q)\n \tfor (i = 0; i < q->nb_desc; ++i)\n \t\tq->hw_ring[i] = zero;\n \n+\t/* vPMD driver has a different way of releasing mbufs. */\n+\tif (q->rx_using_sse) {\n+\t\tfm10k_rx_queue_release_mbufs_vec(q);\n+\t\treturn;\n+\t}\n+\n \t/* free software buffers */\n \tfor (i = 0; i < q->nb_desc; ++i) {\n \t\tif (q->sw_ring[i]) {\ndiff --git a/drivers/net/fm10k/fm10k_rxtx_vec.c b/drivers/net/fm10k/fm10k_rxtx_vec.c\nindex 3fd5d45..ea85996 100644\n--- a/drivers/net/fm10k/fm10k_rxtx_vec.c\n+++ b/drivers/net/fm10k/fm10k_rxtx_vec.c\n@@ -313,6 +313,24 @@ fm10k_rxq_rearm(struct fm10k_rx_queue *rxq)\n \tFM10K_PCI_REG_WRITE(rxq->tail_ptr, rx_id);\n }\n \n+void __attribute__((cold))\n+fm10k_rx_queue_release_mbufs_vec(struct fm10k_rx_queue *rxq)\n+{\n+\tconst unsigned mask = rxq->nb_desc - 1;\n+\tunsigned i;\n+\n+\tif (rxq->sw_ring == NULL || rxq->rxrearm_nb >= rxq->nb_desc)\n+\t\treturn;\n+\n+\t/* free all mbufs that are valid in the ring */\n+\tfor (i = rxq->next_dd; i != rxq->rxrearm_start; i = (i + 1) & mask)\n+\t\trte_pktmbuf_free_seg(rxq->sw_ring[i]);\n+\trxq->rxrearm_nb = rxq->nb_desc;\n+\n+\t/* set all entries to NULL */\n+\tmemset(rxq->sw_ring, 0, sizeof(rxq->sw_ring[0]) * rxq->nb_desc);\n+}\n+\n static inline uint16_t\n fm10k_recv_raw_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,\n \t\tuint16_t nb_pkts, uint8_t *split_packet)\n", "prefixes": [ "dpdk-dev", "v3", "10/16" ] }