From patchwork Sat Oct 12 00:27:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alfredo Cardigliano X-Patchwork-Id: 61002 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 7C7E81EB6E; Sat, 12 Oct 2019 02:27:28 +0200 (CEST) Received: from devele.ntop.org (net-93-145-196-230.cust.vodafonedsl.it [93.145.196.230]) by dpdk.org (Postfix) with ESMTP id 8AE4F1EB53 for ; Sat, 12 Oct 2019 02:27:27 +0200 (CEST) Received: from [192.168.2.134] (localhost6.localdomain6 [IPv6:::1]) by devele.ntop.org (Postfix) with ESMTP id 62D696C003C for ; Sat, 12 Oct 2019 02:27:27 +0200 (CEST) From: Alfredo Cardigliano To: dev@dpdk.org Date: Sat, 12 Oct 2019 02:27:27 +0200 Message-ID: <157084004735.11524.15147383251636783986.stgit@devele> In-Reply-To: <157083994018.11524.11276616720287263690.stgit@devele> References: <157083994018.11524.11276616720287263690.stgit@devele> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH 12/17] net/ionic: net-ionic-add-flow-control-support X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add support for managing Flow Control. Signed-off-by: Alfredo Cardigliano Reviewed-by: Shannon Nelson --- doc/guides/nics/features/ionic.ini | 1 + drivers/net/ionic/ionic_ethdev.c | 56 ++++++++++++++++++++++++++++++++++++ 2 files changed, 57 insertions(+) diff --git a/doc/guides/nics/features/ionic.ini b/doc/guides/nics/features/ionic.ini index 3dd5dab45..05bdb2d98 100644 --- a/doc/guides/nics/features/ionic.ini +++ b/doc/guides/nics/features/ionic.ini @@ -12,6 +12,7 @@ Promiscuous mode = Y Allmulticast mode = Y Unicast MAC filter = Y VLAN filter = Y +Flow control = Y Linux UIO = Y Linux VFIO = Y x86-64 = Y diff --git a/drivers/net/ionic/ionic_ethdev.c b/drivers/net/ionic/ionic_ethdev.c index ee9feb9ef..46cdee7be 100644 --- a/drivers/net/ionic/ionic_ethdev.c +++ b/drivers/net/ionic/ionic_ethdev.c @@ -29,6 +29,10 @@ static int ionic_dev_set_link_up(struct rte_eth_dev *dev); static int ionic_dev_set_link_down(struct rte_eth_dev *dev); static int ionic_dev_link_update(struct rte_eth_dev *eth_dev, int wait_to_complete); +static int ionic_flow_ctrl_get(struct rte_eth_dev *eth_dev, + struct rte_eth_fc_conf *fc_conf); +static int ionic_flow_ctrl_set(struct rte_eth_dev *eth_dev, + struct rte_eth_fc_conf *fc_conf); int ionic_logtype_init; int ionic_logtype_driver; @@ -58,6 +62,8 @@ static const struct eth_dev_ops ionic_eth_dev_ops = { .promiscuous_disable = ionic_dev_promiscuous_disable, .allmulticast_enable = ionic_dev_allmulticast_enable, .allmulticast_disable = ionic_dev_allmulticast_disable, + .flow_ctrl_get = ionic_flow_ctrl_get, + .flow_ctrl_set = ionic_flow_ctrl_set, }; /* @@ -247,6 +253,56 @@ ionic_dev_info_get(struct rte_eth_dev *eth_dev, return 0; } +static int +ionic_flow_ctrl_get(struct rte_eth_dev *eth_dev, + struct rte_eth_fc_conf *fc_conf) +{ + struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev); + struct ionic_adapter *adapter = lif->adapter; + struct ionic_dev *idev = &adapter->idev; + + if (idev->port_info) { + fc_conf->autoneg = idev->port_info->config.an_enable; + + if (idev->port_info->config.pause_type) + fc_conf->mode = RTE_FC_FULL; + else + fc_conf->mode = RTE_FC_NONE; + } + + return 0; +} + +static int +ionic_flow_ctrl_set(struct rte_eth_dev *eth_dev, + struct rte_eth_fc_conf *fc_conf) +{ + struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev); + struct ionic_adapter *adapter = lif->adapter; + struct ionic_dev *idev = &adapter->idev; + uint8_t pause_type = IONIC_PORT_PAUSE_TYPE_NONE; + uint8_t an_enable; + + switch (fc_conf->mode) { + case RTE_FC_NONE: + pause_type = IONIC_PORT_PAUSE_TYPE_NONE; + break; + case RTE_FC_FULL: + pause_type = IONIC_PORT_PAUSE_TYPE_LINK; + break; + case RTE_FC_RX_PAUSE: + case RTE_FC_TX_PAUSE: + return -ENOTSUP; + } + + an_enable = fc_conf->autoneg; + + ionic_dev_cmd_port_pause(idev, pause_type); + ionic_dev_cmd_port_autoneg(idev, an_enable); + + return 0; +} + static int ionic_dev_configure(struct rte_eth_dev *eth_dev) {