diff mbox series

[net-next,v2] octeontx2-af: cn10k: Increase outstanding LMTST transactions

Message ID 20231205055241.26355-1-gakula@marvell.com (mailing list archive)
State Accepted
Commit 074ac38d5b955a6b2241c2b483470501f318a6f1
Delegated to: Netdev Maintainers
Headers show
Series [net-next,v2] octeontx2-af: cn10k: Increase outstanding LMTST transactions | expand

Checks

Context Check Description
netdev/series_format success Single patches do not need cover letters
netdev/tree_selection success Clearly marked for net-next
netdev/ynl fail Tree is dirty after regen; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 8 this patch: 8
netdev/cc_maintainers success CCed 10 of 10 maintainers
netdev/build_clang success Errors and warnings before: 1142 this patch: 1142
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1149 this patch: 1149
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 35 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Geetha sowjanya Dec. 5, 2023, 5:52 a.m. UTC 
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>
---
v1-v2:
 used FIELD_PREP marco.


 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 +++++++++
 drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h   | 2 ++
 4 files changed, 15 insertions(+)

Comments

patchwork-bot+netdevbpf@kernel.org Dec. 6, 2023, 12:40 p.m. UTC | #1 
Hello:

This patch was applied to netdev/net-next.git (main)
by Paolo Abeni <pabeni@redhat.com>:

On Tue, 5 Dec 2023 11:22:41 +0530 you wrote:
> 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>
> 
> [...]

Here is the summary with links:
  - [net-next,v2] octeontx2-af: cn10k: Increase outstanding LMTST transactions
    https://git.kernel.org/netdev/net-next/c/074ac38d5b95

You are awesome, thank you!
diff mbox series

Patch

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..7fa98aeb3663 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 |=	FIELD_PREP(LMTST_THROTTLE_MASK, LMTST_WR_PEND_MAX);
+	rvu_write64(rvu, BLKADDR_APR, APR_AF_LMT_CFG, reg);
+}
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h
index b42e631e52d0..189f0eafd5ff 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h
@@ -733,5 +733,7 @@ 
 #define APR_LMT_MAP_ENT_DIS_SCH_CMP_SHIFT	23
 #define APR_LMT_MAP_ENT_SCH_ENA_SHIFT		22
 #define APR_LMT_MAP_ENT_DIS_LINE_PREF_SHIFT	21
+#define LMTST_THROTTLE_MASK		GENMASK_ULL(38, 35)
+#define LMTST_WR_PEND_MAX		15
 
 #endif /* RVU_REG_H */