2021-08-30 12:57:41

by Geetha sowjanya

Subject: [net-next PATCH] octeontx2-af: Use NDC TX for transmit packet data

For better performance set hardware to use NDC TX for reading packet
data specified NIX_SEND_SG_S.

Signed-off-by: Geetha sowjanya <[email protected]>
Signed-off-by: Sunil Goutham <[email protected]>
---
drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c | 3 +++
drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h | 1 +
2 files changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
index 8f37477e0cb5..9ef4e942e31e 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
@@ -4200,6 +4200,9 @@ static int rvu_nix_block_init(struct rvu *rvu, struct nix_hw *nix_hw)
/* Restore CINT timer delay to HW reset values */
rvu_write64(rvu, blkaddr, NIX_AF_CINT_DELAY, 0x0ULL);

+ /* For better performance use NDC TX instead of NDC RX for SQ's SQEs" */
+ rvu_write64(rvu, blkaddr, NIX_AF_SEB_CFG, 0x1ULL);
+
if (is_block_implemented(hw, blkaddr)) {
err = nix_setup_txschq(rvu, nix_hw, blkaddr);
if (err)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h
index 576b037a00f0..21f1ed4e222f 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h
@@ -263,6 +263,7 @@
#define NIX_AF_SDP_TX_FIFO_STATUS (0x0640)
#define NIX_AF_TX_NPC_CAPTURE_CONFIG (0x0660)
#define NIX_AF_TX_NPC_CAPTURE_INFO (0x0670)
+#define NIX_AF_SEB_CFG (0x05F0)

#define NIX_AF_DEBUG_NPC_RESP_DATAX(a) (0x680 | (a) << 3)
#define NIX_AF_SMQX_CFG(a) (0x700 | (a) << 16)
--
2.17.1

2021-08-31 11:13:29

by patchwork-bot+netdevbpf

Subject: Re: [net-next PATCH] octeontx2-af: Use NDC TX for transmit packet data

Hello:

This patch was applied to netdev/net-next.git (refs/heads/master):

On Mon, 30 Aug 2021 18:25:18 +0530 you wrote:
> For better performance set hardware to use NDC TX for reading packet
> data specified NIX_SEND_SG_S.
>
> Signed-off-by: Geetha sowjanya <[email protected]>
> Signed-off-by: Sunil Goutham <[email protected]>
> ---
> drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c | 3 +++
> drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h | 1 +
> 2 files changed, 4 insertions(+)

Here is the summary with links:
- [net-next] octeontx2-af: Use NDC TX for transmit packet data
https://git.kernel.org/netdev/net-next/c/a7314371b3f3

You are awesome, thank you!
--
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