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From: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
To: dev@dpdk.org
Cc: Felix Marti <felix@chelsio.com>,
	Kumar Sanghvi <kumaras@chelsio.com>,
	Nirranjan Kirubaharan <nirranjan@chelsio.com>
Subject: [dpdk-dev] [PATCH v3 8/9] cxgbe: add flow control functions for cxgbe PMD.
Date: Thu, 18 Jun 2015 17:47:10 +0530	[thread overview]
Message-ID: <3d907874e087bc5517d6c0c96c29cf3815efe8dd.1434628361.git.rahul.lakkireddy@chelsio.com> (raw)
In-Reply-To: <cover.1434628361.git.rahul.lakkireddy@chelsio.com>
In-Reply-To: <cover.1434628361.git.rahul.lakkireddy@chelsio.com>

Adds flow control related eth_dev_ops for cxgbe poll mode driver.

Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
---
v3:
- No changes.

v2:
- This patch is a subset of patch 2/5 submitted in v1.

 drivers/net/cxgbe/cxgbe_ethdev.c | 54 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)

diff --git a/drivers/net/cxgbe/cxgbe_ethdev.c b/drivers/net/cxgbe/cxgbe_ethdev.c
index c0dd5f3..478051a 100644
--- a/drivers/net/cxgbe/cxgbe_ethdev.c
+++ b/drivers/net/cxgbe/cxgbe_ethdev.c
@@ -642,6 +642,58 @@ static void cxgbe_dev_stats_reset(struct rte_eth_dev *eth_dev)
 	}
 }
 
+static int cxgbe_flow_ctrl_get(struct rte_eth_dev *eth_dev,
+			       struct rte_eth_fc_conf *fc_conf)
+{
+	struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
+	struct link_config *lc = &pi->link_cfg;
+	int rx_pause, tx_pause;
+
+	fc_conf->autoneg = lc->fc & PAUSE_AUTONEG;
+	rx_pause = lc->fc & PAUSE_RX;
+	tx_pause = lc->fc & PAUSE_TX;
+
+	if (rx_pause && tx_pause)
+		fc_conf->mode = RTE_FC_FULL;
+	else if (rx_pause)
+		fc_conf->mode = RTE_FC_RX_PAUSE;
+	else if (tx_pause)
+		fc_conf->mode = RTE_FC_TX_PAUSE;
+	else
+		fc_conf->mode = RTE_FC_NONE;
+	return 0;
+}
+
+static int cxgbe_flow_ctrl_set(struct rte_eth_dev *eth_dev,
+			       struct rte_eth_fc_conf *fc_conf)
+{
+	struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
+	struct adapter *adapter = pi->adapter;
+	struct link_config *lc = &pi->link_cfg;
+
+	if (lc->supported & FW_PORT_CAP_ANEG) {
+		if (fc_conf->autoneg)
+			lc->requested_fc |= PAUSE_AUTONEG;
+		else
+			lc->requested_fc &= ~PAUSE_AUTONEG;
+	}
+
+	if (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) ||
+	    (fc_conf->mode & RTE_FC_RX_PAUSE))
+		lc->requested_fc |= PAUSE_RX;
+	else
+		lc->requested_fc &= ~PAUSE_RX;
+
+	if (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) ||
+	    (fc_conf->mode & RTE_FC_TX_PAUSE))
+		lc->requested_fc |= PAUSE_TX;
+	else
+		lc->requested_fc &= ~PAUSE_TX;
+
+	return t4_link_l1cfg(adapter, adapter->mbox, pi->tx_chan,
+			     &pi->link_cfg);
+}
+
 static struct eth_dev_ops cxgbe_eth_dev_ops = {
 	.dev_start		= cxgbe_dev_start,
 	.dev_stop		= cxgbe_dev_stop,
@@ -663,6 +715,8 @@ static struct eth_dev_ops cxgbe_eth_dev_ops = {
 	.rx_queue_release	= cxgbe_dev_rx_queue_release,
 	.stats_get		= cxgbe_dev_stats_get,
 	.stats_reset		= cxgbe_dev_stats_reset,
+	.flow_ctrl_get		= cxgbe_flow_ctrl_get,
+	.flow_ctrl_set		= cxgbe_flow_ctrl_set,
 };
 
 /*
-- 
2.4.1

  parent reply	other threads:[~2015-06-18 12:19 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-22 13:24 [dpdk-dev] [PATCH 0/5] Chelsio Terminator 5 (T5) 10G/40G Poll Mode Driver Rahul Lakkireddy
2015-05-22 13:24 ` [dpdk-dev] [PATCH 1/5] cxgbe: add hardware specific api for all supported Chelsio T5 series adapters Rahul Lakkireddy
2015-05-22 13:24 ` [dpdk-dev] [PATCH 2/5] cxgbe: add cxgbe poll mode driver Rahul Lakkireddy
2015-05-22 16:42   ` Stephen Hemminger
2015-05-23  5:57     ` Rahul Lakkireddy
2015-05-26 17:02       ` Rahul Lakkireddy
2015-05-26 17:24         ` Stephen Hemminger
2015-05-26 18:13           ` Rahul Lakkireddy
2015-05-22 16:43   ` Stephen Hemminger
2015-05-23  5:56     ` Rahul Lakkireddy
2015-05-22 16:46   ` Stephen Hemminger
2015-05-23  5:53     ` Rahul Lakkireddy
2015-05-27  5:49       ` Thomas Monjalon
2015-05-27 11:26         ` Rahul Lakkireddy
2015-05-22 13:24 ` [dpdk-dev] [PATCH 3/5] doc: add cxgbe PMD documentation under doc/guides/nics/cxgbe.rst Rahul Lakkireddy
2015-05-27  5:38   ` Thomas Monjalon
2015-05-27 11:24     ` Rahul Lakkireddy
2015-05-22 13:24 ` [dpdk-dev] [PATCH 4/5] config: enable cxgbe PMD for compilation and linking Rahul Lakkireddy
2015-05-22 13:24 ` [dpdk-dev] [PATCH 5/5] maintainers: claim responsibility for cxgbe PMD Rahul Lakkireddy
2015-06-01 17:30 ` [dpdk-dev] [PATCH v2 00/11] Chelsio Terminator 5 (T5) 10G/40G Poll Mode Driver Rahul Lakkireddy
2015-06-01 17:30   ` [dpdk-dev] [PATCH v2 01/11] cxgbe: add hardware specific api for all supported Chelsio T5 series adapters Rahul Lakkireddy
2015-06-01 17:30   ` [dpdk-dev] [PATCH v2 02/11] cxgbe: add cxgbe poll mode driver Rahul Lakkireddy
2015-06-17 12:30     ` Thomas Monjalon
2015-06-18  7:06       ` Rahul Lakkireddy
2015-06-01 17:30   ` [dpdk-dev] [PATCH v2 03/11] cxgbe: add device configuration and RX support for cxgbe PMD Rahul Lakkireddy
2015-06-01 17:30   ` [dpdk-dev] [PATCH v2 04/11] cxgbe: add TX " Rahul Lakkireddy
2015-06-01 17:30   ` [dpdk-dev] [PATCH v2 05/11] cxgbe: add device related operations " Rahul Lakkireddy
2015-06-01 17:30   ` [dpdk-dev] [PATCH v2 06/11] cxgbe: add port statistics " Rahul Lakkireddy
2015-06-01 17:30   ` [dpdk-dev] [PATCH v2 07/11] cxgbe: add link related functions " Rahul Lakkireddy
2015-06-01 17:30   ` [dpdk-dev] [PATCH v2 08/11] cxgbe: add flow control " Rahul Lakkireddy
2015-06-01 17:30   ` [dpdk-dev] [PATCH v2 09/11] doc: add cxgbe PMD documentation under doc/guides/nics/cxgbe.rst Rahul Lakkireddy
2015-06-01 17:30   ` [dpdk-dev] [PATCH v2 10/11] config: enable cxgbe PMD for compilation and linking Rahul Lakkireddy
2015-06-01 17:30   ` [dpdk-dev] [PATCH v2 11/11] maintainers: claim responsibility for cxgbe PMD Rahul Lakkireddy
2015-06-18 12:17   ` [dpdk-dev] [PATCH v3 0/9] Chelsio Terminator 5 (T5) 10G/40G Poll Mode Driver Rahul Lakkireddy
2015-06-18 12:17     ` [dpdk-dev] [PATCH v3 1/9] cxgbe: add hardware specific api for all supported Chelsio T5 series adapters Rahul Lakkireddy
2015-06-18 12:17     ` [dpdk-dev] [PATCH v3 2/9] cxgbe: add cxgbe poll mode driver Rahul Lakkireddy
2015-06-28 19:32       ` Thomas Monjalon
2015-06-29 23:23         ` Rahul Lakkireddy
2015-06-18 12:17     ` [dpdk-dev] [PATCH v3 3/9] cxgbe: add device configuration and RX support for cxgbe PMD Rahul Lakkireddy
2015-06-28 19:34       ` Thomas Monjalon
2015-06-29 23:18         ` Rahul Lakkireddy
2015-06-18 12:17     ` [dpdk-dev] [PATCH v3 4/9] cxgbe: add TX " Rahul Lakkireddy
2015-06-18 12:17     ` [dpdk-dev] [PATCH v3 5/9] cxgbe: add device related operations " Rahul Lakkireddy
2015-06-18 12:17     ` [dpdk-dev] [PATCH v3 6/9] cxgbe: add port statistics " Rahul Lakkireddy
2015-06-18 12:17     ` [dpdk-dev] [PATCH v3 7/9] cxgbe: add link related functions " Rahul Lakkireddy
2015-06-18 12:17     ` Rahul Lakkireddy [this message]
2015-06-18 12:17     ` [dpdk-dev] [PATCH v3 9/9] doc: add cxgbe PMD documentation under doc/guides/nics/cxgbe.rst Rahul Lakkireddy
2015-06-18 13:47       ` Mcnamara, John
2015-06-18 13:44     ` [dpdk-dev] [PATCH v3 0/9] Chelsio Terminator 5 (T5) 10G/40G Poll Mode Driver Mcnamara, John
2015-06-29 23:28     ` [dpdk-dev] [PATCH v4 " Rahul Lakkireddy
2015-06-29 23:28       ` [dpdk-dev] [PATCH v4 1/9] cxgbe: add hardware specific api for all supported Chelsio T5 series adapters Rahul Lakkireddy
2015-06-29 23:28       ` [dpdk-dev] [PATCH v4 2/9] cxgbe: add cxgbe poll mode driver Rahul Lakkireddy
2015-06-29 23:28       ` [dpdk-dev] [PATCH v4 3/9] cxgbe: add device configuration and RX support for cxgbe PMD Rahul Lakkireddy
2015-06-29 23:28       ` [dpdk-dev] [PATCH v4 4/9] cxgbe: add TX " Rahul Lakkireddy
2015-06-29 23:28       ` [dpdk-dev] [PATCH v4 5/9] cxgbe: add device related operations " Rahul Lakkireddy
2015-06-29 23:28       ` [dpdk-dev] [PATCH v4 6/9] cxgbe: add port statistics " Rahul Lakkireddy
2015-06-29 23:28       ` [dpdk-dev] [PATCH v4 7/9] cxgbe: add link related functions " Rahul Lakkireddy
2015-06-29 23:28       ` [dpdk-dev] [PATCH v4 8/9] cxgbe: add flow control " Rahul Lakkireddy
2015-06-29 23:28       ` [dpdk-dev] [PATCH v4 9/9] doc: add cxgbe PMD documentation under doc/guides/nics/cxgbe.rst Rahul Lakkireddy
2015-06-30 21:01       ` [dpdk-dev] [PATCH v4 0/9] Chelsio Terminator 5 (T5) 10G/40G Poll Mode Driver Thomas Monjalon
2015-07-01  6:35         ` Rahul Lakkireddy

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