linux-kernel - [net-next PATCH] octeontx2-af: debugfs: update CQ context fields

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Message-ID: <20231130060703.16769-1-gakula@marvell.com>
Date:   Thu, 30 Nov 2023 11:37:03 +0530
From:   Geetha sowjanya <gakula@...vell.com>
To:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     <kuba@...nel.org>, <davem@...emloft.net>, <pabeni@...hat.com>,
        <edumazet@...gle.com>, <sgoutham@...vell.com>,
        <lcherian@...vell.com>, <jerinj@...vell.com>,
        <pbhagavatula@...vell.com>, <gakula@...vell.com>,
        <sbhatta@...vell.com>, <hkelam@...vell.com>
Subject: [net-next PATCH] octeontx2-af: debugfs: update CQ context fields

From: Nithin Dabilpuram <ndabilpuram@...vell.com>

This patch update the CQ structure fields to support the feature
added in new silicons and also dump these fields in debugfs.

Signed-off-by: Nithin Dabilpuram <ndabilpuram@...vell.com>
Signed-off-by: Geetha sowjanya <gakula@...vell.com>
---
 .../ethernet/marvell/octeontx2/af/rvu_debugfs.c | 17 +++++++++++++++++
 .../ethernet/marvell/octeontx2/af/rvu_struct.h  | 17 +++++++++++------
 2 files changed, 28 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
index 468b6561ed3f..e6d7914ce61c 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
@@ -1825,6 +1825,8 @@ static void print_nix_rq_ctx(struct seq_file *m, struct nix_aq_enq_rsp *rsp)
 static void print_nix_cq_ctx(struct seq_file *m, struct nix_aq_enq_rsp *rsp)
 {
 	struct nix_cq_ctx_s *cq_ctx = &rsp->cq;
+	struct nix_hw *nix_hw = m->private;
+	struct rvu *rvu = nix_hw->rvu;
 
 	seq_printf(m, "W0: base \t\t\t%llx\n\n", cq_ctx->base);
 
@@ -1836,6 +1838,16 @@ static void print_nix_cq_ctx(struct seq_file *m, struct nix_aq_enq_rsp *rsp)
 	seq_printf(m, "W1: bpid \t\t\t%d\nW1: bp_ena \t\t\t%d\n\n",
 		   cq_ctx->bpid, cq_ctx->bp_ena);
 
+	if (!is_rvu_otx2(rvu)) {
+		seq_printf(m, "W1: lbpid_high \t\t\t0x%03x\n", cq_ctx->lbpid_high);
+		seq_printf(m, "W1: lbpid_med \t\t\t0x%03x\n", cq_ctx->lbpid_med);
+		seq_printf(m, "W1: lbpid_low \t\t\t0x%03x\n", cq_ctx->lbpid_low);
+		seq_printf(m, "(W1: lbpid) \t\t\t0x%03x\n",
+			   cq_ctx->lbpid_high << 6 | cq_ctx->lbpid_med << 3 |
+			   cq_ctx->lbpid_low);
+		seq_printf(m, "W1: lbp_ena \t\t\t\t%d\n\n", cq_ctx->lbp_ena);
+	}
+
 	seq_printf(m, "W2: update_time \t\t%d\nW2:avg_level \t\t\t%d\n",
 		   cq_ctx->update_time, cq_ctx->avg_level);
 	seq_printf(m, "W2: head \t\t\t%d\nW2:tail \t\t\t%d\n\n",
@@ -1847,6 +1859,11 @@ static void print_nix_cq_ctx(struct seq_file *m, struct nix_aq_enq_rsp *rsp)
 		   cq_ctx->qsize, cq_ctx->caching);
 	seq_printf(m, "W3: substream \t\t\t0x%03x\nW3: ena \t\t\t%d\n",
 		   cq_ctx->substream, cq_ctx->ena);
+	if (!is_rvu_otx2(rvu)) {
+		seq_printf(m, "W3: lbp_frac \t\t\t%d\n", cq_ctx->lbp_frac);
+		seq_printf(m, "W3: cpt_drop_err_en \t\t\t%d\n",
+			   cq_ctx->cpt_drop_err_en);
+	}
 	seq_printf(m, "W3: drop_ena \t\t\t%d\nW3: drop \t\t\t%d\n",
 		   cq_ctx->drop_ena, cq_ctx->drop);
 	seq_printf(m, "W3: bp \t\t\t\t%d\n\n", cq_ctx->bp);
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_struct.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu_struct.h
index edc9367b1b95..5ef406c7e8a4 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_struct.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_struct.h
@@ -340,11 +340,12 @@ struct nix_aq_res_s {
 /* NIX Completion queue context structure */
 struct nix_cq_ctx_s {
 	u64 base;
-	u64 rsvd_64_67		: 4;
+	u64 lbp_ena             : 1;
+	u64 lbpid_low           : 3;
 	u64 bp_ena		: 1;
-	u64 rsvd_69_71		: 3;
+	u64 lbpid_med           : 3;
 	u64 bpid		: 9;
-	u64 rsvd_81_83		: 3;
+	u64 lbpid_high          : 3;
 	u64 qint_idx		: 7;
 	u64 cq_err		: 1;
 	u64 cint_idx		: 7;
@@ -358,10 +359,14 @@ struct nix_cq_ctx_s {
 	u64 drop		: 8;
 	u64 drop_ena		: 1;
 	u64 ena			: 1;
-	u64 rsvd_210_211	: 2;
-	u64 substream		: 20;
+	u64 cpt_drop_err_en     : 1;
+	u64 rsvd_211	        : 1;
+	u64 substream           : 12;
+	u64 stash_thresh        : 4;
+	u64 lbp_frac            : 4;
 	u64 caching		: 1;
-	u64 rsvd_233_235	: 3;
+	u64 stashing            : 1;
+	u64 rsvd_234_235	: 2;
 	u64 qsize		: 4;
 	u64 cq_err_int		: 8;
 	u64 cq_err_int_ena	: 8;
-- 
2.25.1