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octeontx2-af: Use NDC TX for transmit packet data

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

Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Geetha sowjanya
2021-08-30 18:25:18 +05:30
committed by David S. Miller
parent 6baeb3951c
commit a7314371b3
2 changed files with 4 additions and 0 deletions
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3
drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
View File

@@ -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)

1
drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h
View File

@@ -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)