From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 4B8DDA034E for ; Thu, 7 Nov 2019 09:53:48 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 3CB7A1E960; Thu, 7 Nov 2019 09:53:48 +0100 (CET) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by dpdk.org (Postfix) with ESMTP id 09E171E95F; Thu, 7 Nov 2019 09:53:46 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Nov 2019 00:53:45 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,277,1569308400"; d="scan'208";a="212977108" Received: from intel.sh.intel.com ([10.239.255.146]) by fmsmga001.fm.intel.com with ESMTP; 07 Nov 2019 00:53:44 -0800 From: Wang ShougangX To: dev@dpdk.org Cc: qiming.yang@intel.com, beilei.xing@intel.com, Wang ShougangX , stable@dpdk.org Date: Thu, 7 Nov 2019 02:22:14 +0000 Message-Id: <20191107022217.41046-2-shougangx.wang@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191107022217.41046-1-shougangx.wang@intel.com> References: <20191105033806.2878-1-shougangx.wang@intel.com> <20191107022217.41046-1-shougangx.wang@intel.com> Subject: [dpdk-stable] [PATCH v2 1/4] net/ice: fix memzone reserve and release in FDIR X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" To avoid memzone reserve failure and memory leak, following resources management should be added. - Check if the FDIR Memzone already exists before reserving. - Free FDIR memzone when teardown and other failure scenarios. Fixes: 84dc7a95a2d3 ("net/ice: enable flow director engine") Cc: stable@dpdk.org Signed-off-by: Wang ShougangX --- drivers/net/ice/ice_ethdev.h | 1 + drivers/net/ice/ice_fdir_filter.c | 19 ++++++++++++++++++- 2 files changed, 19 insertions(+), 1 deletion(-) diff --git a/drivers/net/ice/ice_ethdev.h b/drivers/net/ice/ice_ethdev.h index de67e5934..0a39ca6ff 100644 --- a/drivers/net/ice/ice_ethdev.h +++ b/drivers/net/ice/ice_ethdev.h @@ -325,6 +325,7 @@ struct ice_fdir_info { struct ice_rx_queue *rxq; void *prg_pkt; /* memory for fdir program packet */ uint64_t dma_addr; /* physic address of packet memory*/ + const struct rte_memzone *mz; struct ice_fdir_filter_conf conf; struct ice_fdir_filter_conf **hash_map; diff --git a/drivers/net/ice/ice_fdir_filter.c b/drivers/net/ice/ice_fdir_filter.c index 736ccd54e..31705c164 100644 --- a/drivers/net/ice/ice_fdir_filter.c +++ b/drivers/net/ice/ice_fdir_filter.c @@ -140,6 +140,12 @@ static struct ice_flow_parser ice_fdir_parser_comms; static const struct rte_memzone * ice_memzone_reserve(const char *name, uint32_t len, int socket_id) { + const struct rte_memzone *mz; + + mz = rte_memzone_lookup(name); + if (mz) + return mz; + return rte_memzone_reserve_aligned(name, len, socket_id, RTE_MEMZONE_IOVA_CONTIG, ICE_RING_BASE_ALIGN); @@ -493,19 +499,23 @@ ice_fdir_setup(struct ice_pf *pf) } pf->fdir.prg_pkt = mz->addr; pf->fdir.dma_addr = mz->iova; + pf->fdir.mz = mz; err = ice_fdir_prof_alloc(hw); if (err) { PMD_DRV_LOG(ERR, "Cannot allocate memory for " "flow director profile."); err = -ENOMEM; - goto fail_mem; + goto fail_prof; } PMD_DRV_LOG(INFO, "FDIR setup successfully, with programming queue %u.", vsi->base_queue); return ICE_SUCCESS; +fail_prof: + rte_memzone_free(pf->fdir.mz); + pf->fdir.mz = NULL; fail_mem: ice_rx_queue_release(pf->fdir.rxq); pf->fdir.rxq = NULL; @@ -619,6 +629,13 @@ ice_fdir_teardown(struct ice_pf *pf) ice_fdir_prof_free(hw); ice_release_vsi(vsi); pf->fdir.fdir_vsi = NULL; + + if (pf->fdir.mz) { + err = rte_memzone_free(pf->fdir.mz); + pf->fdir.mz = NULL; + if (err) + PMD_DRV_LOG(ERR, "Failed to free memezone."); + } } static int -- 2.17.1