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GET /api/patches/28561/?format=api
{ "id": 28561, "url": "http://patches.dpdk.org/api/patches/28561/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20170909112132.13936-35-shreyansh.jain@nxp.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": "<20170909112132.13936-35-shreyansh.jain@nxp.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20170909112132.13936-35-shreyansh.jain@nxp.com", "date": "2017-09-09T11:21:25", "name": "[dpdk-dev,v4,34/41] net/dpaa: add support for flow control", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": true, "hash": "a6ec545daba78cc47e715137f91e332817e2524c", "submitter": { "id": 497, "url": "http://patches.dpdk.org/api/people/497/?format=api", "name": "Shreyansh Jain", "email": "shreyansh.jain@nxp.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/20170909112132.13936-35-shreyansh.jain@nxp.com/mbox/", "series": [], "comments": "http://patches.dpdk.org/api/patches/28561/comments/", "check": "fail", "checks": "http://patches.dpdk.org/api/patches/28561/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 8CF5C1B2A9;\n\tSat, 9 Sep 2017 13:11:46 +0200 (CEST)", "from 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(version=TLS1_0,\n\tcipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1385.11\n\tvia Frontend Transport; Sat, 9 Sep 2017 11:11:35 +0000", "from Tophie.ap.freescale.net ([10.232.14.39])\n\tby tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id\n\tv89BAUhY026326; Sat, 9 Sep 2017 04:11:33 -0700" ], "Authentication-Results": "spf=fail (sender IP is 192.88.168.50)\n\tsmtp.mailfrom=nxp.com; nxp.com; dkim=none (message not signed)\n\theader.d=none;nxp.com; dmarc=fail action=none header.from=nxp.com;", "Received-SPF": "Fail (protection.outlook.com: domain of nxp.com does not\n\tdesignate 192.88.168.50 as permitted sender)\n\treceiver=protection.outlook.com; \n\tclient-ip=192.88.168.50; helo=tx30smr01.am.freescale.net;", "From": "Shreyansh Jain <shreyansh.jain@nxp.com>", "To": "<dev@dpdk.org>", "CC": "<ferruh.yigit@intel.com>, <hemant.agrawal@nxp.com>", "Date": "Sat, 9 Sep 2017 16:51:25 +0530", "Message-ID": "<20170909112132.13936-35-shreyansh.jain@nxp.com>", "X-Mailer": "git-send-email 2.9.3", "In-Reply-To": "<20170909112132.13936-1-shreyansh.jain@nxp.com>", "References": "<20170823141213.25476-1-shreyansh.jain@nxp.com>\n\t<20170909112132.13936-1-shreyansh.jain@nxp.com>", "X-EOPAttributedMessage": "0", "X-Matching-Connectors": "131494290958486078;\n\t(91ab9b29-cfa4-454e-5278-08d120cd25b8); ()", "X-Forefront-Antispam-Report": "CIP:192.88.168.50; IPV:NLI; CTRY:US; EFV:NLI;\n\tSFV:NSPM;\n\tSFS:(10009020)(6009001)(336005)(39380400002)(39860400002)(2980300002)(1109001)(1110001)(339900001)(199003)(189002)(356003)(50226002)(8936002)(33646002)(86362001)(2351001)(8676002)(81156014)(81166006)(105606002)(106466001)(1076002)(36756003)(5003940100001)(47776003)(8656003)(54906002)(53936002)(104016004)(50466002)(305945005)(48376002)(4326008)(110136004)(2906002)(85426001)(50986999)(76176999)(5660300001)(189998001)(68736007)(77096006)(97736004)(6916009)(2950100002)(6666003)(498600001);\n\tDIR:OUT; SFP:1101; SCL:1; SRVR:DM2PR03MB559;\n\tH:tx30smr01.am.freescale.net; \n\tFPR:; SPF:Fail; 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"X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "TenantId=5afe0b00-7697-4969-b663-5eab37d5f47e;\n\tIp=[192.88.168.50]; \n\tHelo=[tx30smr01.am.freescale.net]", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "DM2PR03MB559", "Subject": "[dpdk-dev] [PATCH v4 34/41] net/dpaa: add support for flow control", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <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": "Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>\nSigned-off-by: Shreyansh Jain <shreyansh.jain@nxp.com>\n---\n doc/guides/nics/features/dpaa.ini | 1 +\n drivers/net/dpaa/dpaa_ethdev.c | 112 ++++++++++++++++++++++++++++++++++++++\n 2 files changed, 113 insertions(+)", "diff": "diff --git a/doc/guides/nics/features/dpaa.ini b/doc/guides/nics/features/dpaa.ini\nindex c09efd8..1ba6b11 100644\n--- a/doc/guides/nics/features/dpaa.ini\n+++ b/doc/guides/nics/features/dpaa.ini\n@@ -11,6 +11,7 @@ MTU update = Y\n Promiscuous mode = Y\n Allmulticast mode = Y\n Unicast MAC filter = Y\n+Flow control = Y\n Basic stats = Y\n ARMv8 = Y\n Usage doc = Y\ndiff --git a/drivers/net/dpaa/dpaa_ethdev.c b/drivers/net/dpaa/dpaa_ethdev.c\nindex 178508e..f423e51 100644\n--- a/drivers/net/dpaa/dpaa_ethdev.c\n+++ b/drivers/net/dpaa/dpaa_ethdev.c\n@@ -329,6 +329,85 @@ static int dpaa_link_up(struct rte_eth_dev *dev)\n }\n \n static int\n+dpaa_flow_ctrl_set(struct rte_eth_dev *dev,\n+\t\t struct rte_eth_fc_conf *fc_conf)\n+{\n+\tstruct dpaa_if *dpaa_intf = dev->data->dev_private;\n+\tstruct rte_eth_fc_conf *net_fc;\n+\n+\tPMD_INIT_FUNC_TRACE();\n+\n+\tif (!(dpaa_intf->fc_conf)) {\n+\t\tdpaa_intf->fc_conf = rte_zmalloc(NULL,\n+\t\t\tsizeof(struct rte_eth_fc_conf), MAX_CACHELINE);\n+\t\tif (!dpaa_intf->fc_conf) {\n+\t\t\tDPAA_PMD_ERR(\"unable to save flow control info\");\n+\t\t\treturn -ENOMEM;\n+\t\t}\n+\t}\n+\tnet_fc = dpaa_intf->fc_conf;\n+\n+\tif (fc_conf->high_water < fc_conf->low_water) {\n+\t\tDPAA_PMD_ERR(\"Incorrect Flow Control Configuration\");\n+\t\treturn -EINVAL;\n+\t}\n+\n+\tif (fc_conf->mode == RTE_FC_NONE) {\n+\t\treturn 0;\n+\t} else if (fc_conf->mode == RTE_FC_TX_PAUSE ||\n+\t\t fc_conf->mode == RTE_FC_FULL) {\n+\t\tfman_if_set_fc_threshold(dpaa_intf->fif, fc_conf->high_water,\n+\t\t\t\t\t fc_conf->low_water,\n+\t\t\t\tdpaa_intf->bp_info->bpid);\n+\t\tif (fc_conf->pause_time)\n+\t\t\tfman_if_set_fc_quanta(dpaa_intf->fif,\n+\t\t\t\t\t fc_conf->pause_time);\n+\t}\n+\n+\t/* Save the information in dpaa device */\n+\tnet_fc->pause_time = fc_conf->pause_time;\n+\tnet_fc->high_water = fc_conf->high_water;\n+\tnet_fc->low_water = fc_conf->low_water;\n+\tnet_fc->send_xon = fc_conf->send_xon;\n+\tnet_fc->mac_ctrl_frame_fwd = fc_conf->mac_ctrl_frame_fwd;\n+\tnet_fc->mode = fc_conf->mode;\n+\tnet_fc->autoneg = fc_conf->autoneg;\n+\n+\treturn 0;\n+}\n+\n+static int\n+dpaa_flow_ctrl_get(struct rte_eth_dev *dev,\n+\t\t struct rte_eth_fc_conf *fc_conf)\n+{\n+\tstruct dpaa_if *dpaa_intf = dev->data->dev_private;\n+\tstruct rte_eth_fc_conf *net_fc = dpaa_intf->fc_conf;\n+\tint ret;\n+\n+\tPMD_INIT_FUNC_TRACE();\n+\n+\tif (net_fc) {\n+\t\tfc_conf->pause_time = net_fc->pause_time;\n+\t\tfc_conf->high_water = net_fc->high_water;\n+\t\tfc_conf->low_water = net_fc->low_water;\n+\t\tfc_conf->send_xon = net_fc->send_xon;\n+\t\tfc_conf->mac_ctrl_frame_fwd = net_fc->mac_ctrl_frame_fwd;\n+\t\tfc_conf->mode = net_fc->mode;\n+\t\tfc_conf->autoneg = net_fc->autoneg;\n+\t\treturn 0;\n+\t}\n+\tret = fman_if_get_fc_threshold(dpaa_intf->fif);\n+\tif (ret) {\n+\t\tfc_conf->mode = RTE_FC_TX_PAUSE;\n+\t\tfc_conf->pause_time = fman_if_get_fc_quanta(dpaa_intf->fif);\n+\t} else {\n+\t\tfc_conf->mode = RTE_FC_NONE;\n+\t}\n+\n+\treturn 0;\n+}\n+\n+static int\n dpaa_dev_add_mac_addr(struct rte_eth_dev *dev,\n \t\t\t struct ether_addr *addr,\n \t\t\t uint32_t index,\n@@ -384,6 +463,9 @@ static struct eth_dev_ops dpaa_devops = {\n \t.rx_queue_release\t = dpaa_eth_rx_queue_release,\n \t.tx_queue_release\t = dpaa_eth_tx_queue_release,\n \n+\t.flow_ctrl_get\t\t = dpaa_flow_ctrl_get,\n+\t.flow_ctrl_set\t\t = dpaa_flow_ctrl_set,\n+\n \t.link_update\t\t = dpaa_eth_link_update,\n \t.stats_get\t\t = dpaa_eth_stats_get,\n \t.stats_reset\t\t = dpaa_eth_stats_reset,\n@@ -400,6 +482,33 @@ static struct eth_dev_ops dpaa_devops = {\n \n };\n \n+static int dpaa_fc_set_default(struct dpaa_if *dpaa_intf)\n+{\n+\tstruct rte_eth_fc_conf *fc_conf;\n+\tint ret;\n+\n+\tPMD_INIT_FUNC_TRACE();\n+\n+\tif (!(dpaa_intf->fc_conf)) {\n+\t\tdpaa_intf->fc_conf = rte_zmalloc(NULL,\n+\t\t\tsizeof(struct rte_eth_fc_conf), MAX_CACHELINE);\n+\t\tif (!dpaa_intf->fc_conf) {\n+\t\t\tDPAA_PMD_ERR(\"unable to save flow control info\");\n+\t\t\treturn -ENOMEM;\n+\t\t}\n+\t}\n+\tfc_conf = dpaa_intf->fc_conf;\n+\tret = fman_if_get_fc_threshold(dpaa_intf->fif);\n+\tif (ret) {\n+\t\tfc_conf->mode = RTE_FC_TX_PAUSE;\n+\t\tfc_conf->pause_time = fman_if_get_fc_quanta(dpaa_intf->fif);\n+\t} else {\n+\t\tfc_conf->mode = RTE_FC_NONE;\n+\t}\n+\n+\treturn 0;\n+}\n+\n /* Initialise an Rx FQ */\n static int dpaa_rx_queue_init(struct qman_fq *fq,\n \t\t\t uint32_t fqid)\n@@ -553,6 +662,9 @@ dpaa_dev_init(struct rte_eth_dev *eth_dev)\n \n \tDPAA_PMD_DEBUG(\"All frame queues created\");\n \n+\t/* Get the initial configuration for flow control */\n+\tdpaa_fc_set_default(dpaa_intf);\n+\n \t/* reset bpool list, initialize bpool dynamically */\n \tlist_for_each_entry_safe(bp, tmp_bp, &cfg->fman_if->bpool_list, node) {\n \t\tlist_del(&bp->node);\n", "prefixes": [ "dpdk-dev", "v4", "34/41" ] }