From: Geetha sowjanya <gakula@marvell.com>
To: <netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Cc: <kuba@kernel.org>, <davem@davemloft.net>, <pabeni@redhat.com>,
<edumazet@google.com>, <sgoutham@marvell.com>,
<lcherian@marvell.com>, <jerinj@marvell.com>,
<pbhagavatula@marvell.com>, <gakula@marvell.com>,
<sbhatta@marvell.com>, <hkelam@marvell.com>
Subject: [net-next PATCH] octeontx2-af: cn10k: Increase outstanding LMTST transactions
Date: Wed, 29 Nov 2023 16:51:55 +0530 [thread overview]
Message-ID: <20231129112155.9967-1-gakula@marvell.com> (raw)
From: Pavan Nikhilesh <pbhagavatula@marvell.com>
Currently the number of outstanding store transactions issued by AP as
a part of LMTST operation is set to 1 i.e default value.
This patch set to max supported value to increase the performance.
Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
---
drivers/net/ethernet/marvell/octeontx2/af/rvu.c | 3 +++
drivers/net/ethernet/marvell/octeontx2/af/rvu.h | 1 +
drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c | 9 +++++++++
3 files changed, 13 insertions(+)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
index 22c395c7d040..14bb91b98f97 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
@@ -935,6 +935,9 @@ static int rvu_setup_hw_resources(struct rvu *rvu)
hw->total_vfs = (cfg >> 20) & 0xFFF;
hw->max_vfs_per_pf = (cfg >> 40) & 0xFF;
+ if (!is_rvu_otx2(rvu))
+ rvu_apr_block_cn10k_init(rvu);
+
/* Init NPA LF's bitmap */
block = &hw->block[BLKADDR_NPA];
if (!block->implemented)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
index c4d999ef5ab4..6546cc489d7e 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
@@ -940,6 +940,7 @@ void rvu_nix_block_cn10k_init(struct rvu *rvu, struct nix_hw *nix_hw);
/* CN10K RVU - LMT*/
void rvu_reset_lmt_map_tbl(struct rvu *rvu, u16 pcifunc);
+void rvu_apr_block_cn10k_init(struct rvu *rvu);
#ifdef CONFIG_DEBUG_FS
void rvu_dbg_init(struct rvu *rvu);
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c
index 0e74c5a2231e..93fedabfe31e 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c
@@ -559,3 +559,12 @@ void rvu_nix_block_cn10k_init(struct rvu *rvu, struct nix_hw *nix_hw)
cfg |= BIT_ULL(1) | BIT_ULL(2);
rvu_write64(rvu, blkaddr, NIX_AF_CFG, cfg);
}
+
+void rvu_apr_block_cn10k_init(struct rvu *rvu)
+{
+ u64 reg;
+
+ reg = rvu_read64(rvu, BLKADDR_APR, APR_AF_LMT_CFG);
+ reg |= 0xFULL << 35;
+ rvu_write64(rvu, BLKADDR_APR, APR_AF_LMT_CFG, reg);
+}
--
2.25.1
next reply other threads:[~2023-11-29 11:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-29 11:21 Geetha sowjanya [this message]
2023-12-01 11:34 ` Simon Horman
2023-12-04 5:28 ` [EXT] " Geethasowjanya Akula
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