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From: Nithin Dabilpuram <ndabilpuram@marvell.com>
To: <jerinj@marvell.com>, Nithin Dabilpuram <ndabilpuram@marvell.com>,
	"Kiran Kumar K" <kirankumark@marvell.com>,
	Sunil Kumar Kori <skori@marvell.com>,
	Satha Rao <skoteshwar@marvell.com>
Cc: <dev@dpdk.org>, Harman Kalra <hkalra@marvell.com>
Subject: [PATCH v2 18/21] net/cnxk: enable flow control by default on device configure
Date: Wed, 23 Feb 2022 01:05:09 +0530	[thread overview]
Message-ID: <20220222193512.19292-18-ndabilpuram@marvell.com> (raw)
In-Reply-To: <20220222193512.19292-1-ndabilpuram@marvell.com>

Enable flow control by default on device configuration
instead of basing it on Kernel behaviour.

Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
Signed-off-by: Harman Kalra <hkalra@marvell.com>
---
 drivers/net/cnxk/cnxk_ethdev.c | 24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)

diff --git a/drivers/net/cnxk/cnxk_ethdev.c b/drivers/net/cnxk/cnxk_ethdev.c
index ad1e63d..9481af9 100644
--- a/drivers/net/cnxk/cnxk_ethdev.c
+++ b/drivers/net/cnxk/cnxk_ethdev.c
@@ -306,24 +306,22 @@ static int
 nix_init_flow_ctrl_config(struct rte_eth_dev *eth_dev)
 {
 	struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+	enum roc_nix_fc_mode fc_mode = ROC_NIX_FC_FULL;
 	struct cnxk_fc_cfg *fc = &dev->fc_cfg;
-	struct rte_eth_fc_conf fc_conf = {0};
 	int rc;
 
-	/* Both Rx & Tx flow ctrl get enabled(RTE_ETH_FC_FULL) in HW
-	 * by AF driver, update those info in PMD structure.
-	 */
-	rc = cnxk_nix_flow_ctrl_get(eth_dev, &fc_conf);
+	/* To avoid Link credit deadlock on Ax, disable Tx FC if it's enabled */
+	if (roc_model_is_cn96_ax() &&
+	    dev->npc.switch_header_type != ROC_PRIV_FLAGS_HIGIG)
+		fc_mode = ROC_NIX_FC_TX;
+
+	/* By default enable flow control */
+	rc = roc_nix_fc_mode_set(&dev->nix, fc_mode);
 	if (rc)
-		goto exit;
+		return rc;
 
-	fc->mode = fc_conf.mode;
-	fc->rx_pause = (fc_conf.mode == RTE_ETH_FC_FULL) ||
-			(fc_conf.mode == RTE_ETH_FC_RX_PAUSE);
-	fc->tx_pause = (fc_conf.mode == RTE_ETH_FC_FULL) ||
-			(fc_conf.mode == RTE_ETH_FC_TX_PAUSE);
-
-exit:
+	fc->mode = (fc_mode == ROC_NIX_FC_FULL) ? RTE_ETH_FC_FULL :
+						  RTE_ETH_FC_TX_PAUSE;
 	return rc;
 }
 
-- 
2.8.4


  parent reply	other threads:[~2022-02-22 19:37 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-07  7:29 [PATCH 01/20] common/cnxk: increase resource count for bitmap alloc Nithin Dabilpuram
2022-02-07  7:29 ` [PATCH 02/20] common/cnxk: realloc inline device XAQ AURA Nithin Dabilpuram
2022-02-07  7:29 ` [PATCH 03/20] common/cnxk: adjust shaper rates to lower boundaries Nithin Dabilpuram
2022-02-17 13:20   ` Jerin Jacob
2022-02-22 18:19     ` Nithin Kumar Dabilpuram
2022-02-22 18:21       ` Jerin Jacob
2022-02-07  7:29 ` [PATCH 04/20] common/cnxk: support inline device API without ROC NIX Nithin Dabilpuram
2022-02-07  7:29 ` [PATCH 05/20] common/cnxk: use common SA init API for default options Nithin Dabilpuram
2022-02-07  7:29 ` [PATCH 06/20] common/cnxk: enable l3hdr write back in SA Nithin Dabilpuram
2022-02-07  7:29 ` [PATCH 07/20] common/cnxk: support to enable aura tail drop for RQ Nithin Dabilpuram
2022-02-17 13:24   ` Jerin Jacob
2022-02-07  7:29 ` [PATCH 08/20] common/cnxk: use SSO time counter threshold for IRQ Nithin Dabilpuram
2022-02-17 13:25   ` Jerin Jacob
2022-02-07  7:29 ` [PATCH 09/20] common/cnxk: allow force use of SSO pffunc for outb inline Nithin Dabilpuram
2022-02-07  7:29 ` [PATCH 10/20] net/cnxk: added Rx metadata negotiate operation Nithin Dabilpuram
2022-02-17 13:33   ` Jerin Jacob
2022-02-22 18:31     ` Nithin Kumar Dabilpuram
2022-02-07  7:29 ` [PATCH 11/20] common/cnxk: removed tracking of mark actions Nithin Dabilpuram
2022-02-17 13:36   ` Jerin Jacob
2022-02-07  7:29 ` [PATCH 12/20] net/cnxk: fix inline device RQ tag mask Nithin Dabilpuram
2022-02-07  7:29 ` [PATCH 13/20] net/cnxk: register callback early to handle initial packets Nithin Dabilpuram
2022-02-07  7:29 ` [PATCH 14/20] net/cnxk: realloc inline dev XAQ for security Nithin Dabilpuram
2022-02-07  7:29 ` [PATCH 15/20] net/cnxk: use raw mbuf free on inline sec err Nithin Dabilpuram
2022-02-17 13:45   ` Jerin Jacob
2022-02-07  7:29 ` [PATCH 16/20] net/cnxk: use NPA batch burst free for meta buffers Nithin Dabilpuram
2022-02-07  7:29 ` [PATCH 17/20] net/cnxk: enable packet pool tail drop Nithin Dabilpuram
2022-02-07  7:29 ` [PATCH 18/20] net/cnxk: enable flow control by default on device configure Nithin Dabilpuram
2022-02-07  7:29 ` [PATCH 19/20] net/cnxk: add dev args for min-max spi Nithin Dabilpuram
2022-02-07  7:29 ` [PATCH 20/20] net/cnxk: add option to override outbound inline sa iv Nithin Dabilpuram
2022-02-17 13:54   ` Jerin Jacob
2022-02-17 13:11 ` [PATCH 01/20] common/cnxk: increase resource count for bitmap alloc Jerin Jacob
2022-02-17 13:13 ` Jerin Jacob
2022-02-22 19:34 ` [PATCH v2 01/21] common/cnxk: increase SMQ resource count Nithin Dabilpuram
2022-02-22 19:34   ` [PATCH v2 02/21] common/cnxk: realloc inline device XAQ AURA Nithin Dabilpuram
2022-02-22 19:34   ` [PATCH v2 03/21] common/cnxk: adjust shaper rates to lower boundaries Nithin Dabilpuram
2022-02-22 19:34   ` [PATCH v2 04/21] common/cnxk: support inline device API without ROC NIX Nithin Dabilpuram
2022-02-22 19:34   ` [PATCH v2 05/21] common/cnxk: use common SA init API for default options Nithin Dabilpuram
2022-02-22 19:34   ` [PATCH v2 06/21] common/cnxk: enable l3hdr write back in SA Nithin Dabilpuram
2022-02-22 19:34   ` [PATCH v2 07/21] common/cnxk: support to enable AURA tail drop for RQ Nithin Dabilpuram
2022-02-22 19:34   ` [PATCH v2 08/21] common/cnxk: use SSO time counter threshold for IRQ Nithin Dabilpuram
2022-02-22 19:35   ` [PATCH v2 09/21] common/cnxk: allow force use of SSO pffunc for outb inline Nithin Dabilpuram
2022-02-22 19:35   ` [PATCH v2 10/21] net/cnxk: added Rx metadata negotiate operation Nithin Dabilpuram
2022-02-22 19:35   ` [PATCH v2 11/21] common/cnxk: remove tracking of mark actions Nithin Dabilpuram
2022-02-22 19:35   ` [PATCH v2 12/21] net/cnxk: fix inline device RQ tag mask Nithin Dabilpuram
2022-02-22 19:35   ` [PATCH v2 13/21] net/cnxk: register callback early to handle initial packets Nithin Dabilpuram
2022-02-22 19:35   ` [PATCH v2 14/21] net/cnxk: realloc inline dev XAQ for security Nithin Dabilpuram
2022-02-22 19:35   ` [PATCH v2 15/21] net/cnxk: fix inline IPsec security error handling Nithin Dabilpuram
2022-02-22 19:35   ` [PATCH v2 16/21] net/cnxk: use NPA batch burst free for meta buffers Nithin Dabilpuram
2022-02-22 19:35   ` [PATCH v2 17/21] net/cnxk: enable packet pool tail drop Nithin Dabilpuram
2022-02-22 19:35   ` Nithin Dabilpuram [this message]
2022-02-22 19:35   ` [PATCH v2 19/21] net/cnxk: add dev args for min-max spi Nithin Dabilpuram
2022-02-22 19:35   ` [PATCH v2 20/21] net/cnxk: add option to override outbound inline SA IV Nithin Dabilpuram
2022-02-22 19:35   ` [PATCH v2 21/21] doc: add table for environment variables used by cnxk Nithin Dabilpuram
2022-02-26  9:22     ` Thomas Monjalon
2022-02-26  9:37       ` Jerin Jacob
2022-02-26 13:31         ` Thomas Monjalon
2022-02-23 16:45   ` [PATCH v2 01/21] common/cnxk: increase SMQ resource count Jerin Jacob

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