DPDK patches and discussions
 help / color / mirror / Atom feed
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>
Subject: [PATCH 18/20] net/cnxk: enable flow control by default on device configure
Date: Mon, 7 Feb 2022 12:59:30 +0530	[thread overview]
Message-ID: <20220207072932.22409-18-ndabilpuram@marvell.com> (raw)
In-Reply-To: <20220207072932.22409-1-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>
---
 drivers/net/cnxk/cnxk_ethdev.c | 24 +++++++-----------------
 1 file changed, 7 insertions(+), 17 deletions(-)

diff --git a/drivers/net/cnxk/cnxk_ethdev.c b/drivers/net/cnxk/cnxk_ethdev.c
index aa76d87..e4fbb09 100644
--- a/drivers/net/cnxk/cnxk_ethdev.c
+++ b/drivers/net/cnxk/cnxk_ethdev.c
@@ -306,25 +306,15 @@ static int
 nix_init_flow_ctrl_config(struct rte_eth_dev *eth_dev)
 {
 	struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
-	struct cnxk_fc_cfg *fc = &dev->fc_cfg;
-	struct rte_eth_fc_conf fc_conf = {0};
-	int rc;
+	enum roc_nix_fc_mode fc_mode = ROC_NIX_FC_FULL;
 
-	/* 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);
-	if (rc)
-		goto exit;
+	/* 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;
 
-	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:
-	return rc;
+	/* By default enable flow control */
+	return roc_nix_fc_mode_set(&dev->nix, fc_mode);
 }
 
 static int
-- 
2.8.4


  parent reply	other threads:[~2022-02-07  7:32 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 ` Nithin Dabilpuram [this message]
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   ` [PATCH v2 18/21] net/cnxk: enable flow control by default on device configure Nithin Dabilpuram
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20220207072932.22409-18-ndabilpuram@marvell.com \
    --to=ndabilpuram@marvell.com \
    --cc=dev@dpdk.org \
    --cc=jerinj@marvell.com \
    --cc=kirankumark@marvell.com \
    --cc=skori@marvell.com \
    --cc=skoteshwar@marvell.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).