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GET /api/patches/42150/?format=api
{ "id": 42150, "url": "http://patches.dpdk.org/api/patches/42150/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1530619789-33337-6-git-send-email-alejandro.lucero@netronome.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": "<1530619789-33337-6-git-send-email-alejandro.lucero@netronome.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1530619789-33337-6-git-send-email-alejandro.lucero@netronome.com", "date": "2018-07-03T12:09:48", "name": "[v2,5/6] net/nfp: check hugepages IOVAs based on DMA mask", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "e0cfa18077a1f530831f0b6dbc030a41f99e9c28", "submitter": { "id": 270, "url": "http://patches.dpdk.org/api/people/270/?format=api", "name": "Alejandro Lucero", "email": "alejandro.lucero@netronome.com" }, "delegate": { "id": 1, "url": "http://patches.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1530619789-33337-6-git-send-email-alejandro.lucero@netronome.com/mbox/", "series": [ { "id": 371, "url": "http://patches.dpdk.org/api/series/371/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=371", "date": "2018-07-03T12:09:43", "name": "use IOVAs check based on DMA mask", "version": 2, "mbox": "http://patches.dpdk.org/series/371/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/42150/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/42150/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 DD0FA1BEE3;\n\tTue, 3 Jul 2018 14:10:05 +0200 (CEST)", "from netronome.com (host-79-78-33-110.static.as9105.net\n\t[79.78.33.110]) by dpdk.org (Postfix) with ESMTP id 19D131BE46;\n\tTue, 3 Jul 2018 14:09:57 +0200 (CEST)", "from netronome.com (localhost [127.0.0.1])\n\tby netronome.com (8.14.4/8.14.4/Debian-4.1ubuntu1) with ESMTP id\n\tw63C9s2O033402; Tue, 3 Jul 2018 13:09:54 +0100", "(from alucero@localhost)\n\tby netronome.com (8.14.4/8.14.4/Submit) id w63C9ssO033401;\n\tTue, 3 Jul 2018 13:09:54 +0100" ], "From": "Alejandro Lucero <alejandro.lucero@netronome.com>", "To": "dev@dpdk.org", "Cc": "stable@dpdk.org, anatoly.burakov@intel.com, maxime.coquelin@redhat.com", "Date": "Tue, 3 Jul 2018 13:09:48 +0100", "Message-Id": "<1530619789-33337-6-git-send-email-alejandro.lucero@netronome.com>", "X-Mailer": "git-send-email 1.9.1", "In-Reply-To": "<1530619789-33337-1-git-send-email-alejandro.lucero@netronome.com>", "References": "<1530619789-33337-1-git-send-email-alejandro.lucero@netronome.com>", "Subject": "[dpdk-dev] [PATCH v2 5/6] net/nfp: check hugepages IOVAs based on\n\tDMA mask", "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": "NFP devices can not handle DMA addresses requiring more than\n40 bits. This patch uses rte_dev_check_dma_mask with 40 bits\nand avoids device initialization if memory out of NFP range.\n\nSigned-off-by: Alejandro Lucero <alejandro.lucero@netronome.com>\n---\n drivers/net/nfp/nfp_net.c | 8 ++++++++\n 1 file changed, 8 insertions(+)", "diff": "diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c\nindex d9cd047..5976f37 100644\n--- a/drivers/net/nfp/nfp_net.c\n+++ b/drivers/net/nfp/nfp_net.c\n@@ -2649,6 +2649,14 @@ uint32_t nfp_net_txq_full(struct nfp_net_txq *txq)\n \n \tpci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);\n \n+\t/* NFP can not handle DMA addresses requiring more than 40 bits */\n+\tif (rte_eth_dev_check_dma_mask(40) < 0) {\n+\t\tRTE_LOG(INFO, PMD, \"device %s can not be used:\",\n+\t\t\t\t pci_dev->device.name);\n+\t\tRTE_LOG(INFO, PMD, \"\\trestricted dma mask to 40 bits!\\n\");\n+\t\treturn -ENODEV;\n+\t};\n+\n \tif ((pci_dev->id.device_id == PCI_DEVICE_ID_NFP4000_PF_NIC) ||\n \t (pci_dev->id.device_id == PCI_DEVICE_ID_NFP6000_PF_NIC)) {\n \t\tport = get_pf_port_number(eth_dev->data->name);\n", "prefixes": [ "v2", "5/6" ] }