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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>
Subject: [dpdk-dev] [PATCH 5/9] common/cnxk: enable bp on CPT with inline inbound
Date: Tue, 2 Nov 2021 21:24:16 +0530	[thread overview]
Message-ID: <20211102155421.486-5-ndabilpuram@marvell.com> (raw)
In-Reply-To: <20211102155421.486-1-ndabilpuram@marvell.com>

Enable backpressure on CPT with inline inbound enabled.

Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
---
 drivers/common/cnxk/roc_mbox.h   |  4 ++++
 drivers/common/cnxk/roc_nix_fc.c | 28 ++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/drivers/common/cnxk/roc_mbox.h b/drivers/common/cnxk/roc_mbox.h
index 5dcb445..bf5495d 100644
--- a/drivers/common/cnxk/roc_mbox.h
+++ b/drivers/common/cnxk/roc_mbox.h
@@ -239,6 +239,10 @@ struct mbox_msghdr {
 	M(NIX_BANDPROF_ALLOC, 0x801d, nix_bandprof_alloc,                      \
 	  nix_bandprof_alloc_req, nix_bandprof_alloc_rsp)                      \
 	M(NIX_BANDPROF_FREE, 0x801e, nix_bandprof_free, nix_bandprof_free_req, \
+	  msg_rsp)                                                             \
+	M(NIX_CPT_BP_ENABLE, 0x8020, nix_cpt_bp_enable, nix_bp_cfg_req,        \
+	  nix_bp_cfg_rsp)                                                      \
+	M(NIX_CPT_BP_DISABLE, 0x8021, nix_cpt_bp_disable, nix_bp_cfg_req,      \
 	  msg_rsp)
 
 /* Messages initiated by AF (range 0xC00 - 0xDFF) */
diff --git a/drivers/common/cnxk/roc_nix_fc.c b/drivers/common/cnxk/roc_nix_fc.c
index 6453258..ca29cd2 100644
--- a/drivers/common/cnxk/roc_nix_fc.c
+++ b/drivers/common/cnxk/roc_nix_fc.c
@@ -70,6 +70,34 @@ nix_fc_rxchan_bpid_set(struct roc_nix *roc_nix, bool enable)
 		nix->chan_cnt = 0;
 	}
 
+	if (roc_model_is_cn9k())
+		goto exit;
+
+	/* Enable backpressure on CPT if inline inb is enabled */
+	if (enable && roc_nix_inl_inb_is_enabled(roc_nix)) {
+		req = mbox_alloc_msg_nix_cpt_bp_enable(mbox);
+		if (req == NULL)
+			return rc;
+		req->chan_base = 0;
+		req->chan_cnt = 1;
+		req->bpid_per_chan = 0;
+
+		rc = mbox_process_msg(mbox, (void *)&rsp);
+		if (rc)
+			goto exit;
+	} else {
+		req = mbox_alloc_msg_nix_cpt_bp_disable(mbox);
+		if (req == NULL)
+			return rc;
+		req->chan_base = 0;
+		req->chan_cnt = 1;
+		req->bpid_per_chan = 0;
+
+		rc = mbox_process_msg(mbox, (void *)&rsp);
+		if (rc)
+			goto exit;
+	}
+
 exit:
 	return rc;
 }
-- 
2.8.4


  parent reply	other threads:[~2021-11-02 15:55 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-02 15:54 [dpdk-dev] [PATCH 1/9] common/cnxk: add code to write CPT CTX through microcode op Nithin Dabilpuram
2021-11-02 15:54 ` [dpdk-dev] [PATCH 2/9] common/cnxk: add CPT CTX sync mailbox API Nithin Dabilpuram
2021-11-02 15:54 ` [dpdk-dev] [PATCH 3/9] common/cnxk: support flow control on LBK Nithin Dabilpuram
2021-11-02 15:54 ` [dpdk-dev] [PATCH 4/9] common/cnxk: enable tm to listen on Rx pause frames Nithin Dabilpuram
2021-11-02 15:54 ` Nithin Dabilpuram [this message]
2021-11-02 15:54 ` [dpdk-dev] [PATCH 6/9] common/cnxk: support changing drop re flag after lf alloc Nithin Dabilpuram
2021-11-02 15:54 ` [dpdk-dev] [PATCH 7/9] net/cnxk: write CPT CTX through microcode op Nithin Dabilpuram
2021-11-02 15:54 ` [dpdk-dev] [PATCH 8/9] net/cnxk: allow fc on lbk and enable tm bp on Rx pause Nithin Dabilpuram
2021-11-02 15:54 ` [dpdk-dev] [PATCH 9/9] event/cnxk: disable drop re on vector enable for cn10k a0 Nithin Dabilpuram
2021-11-03 15:09 ` [dpdk-dev] [PATCH 1/9] common/cnxk: add code to write CPT CTX through microcode op Jerin Jacob

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