From: Geetha sowjanya Date: Mon, 30 Aug 2021 12:55:18 +0000 (+0530) Subject: octeontx2-af: Use NDC TX for transmit packet data X-Git-Tag: microblaze-v5.16~158^2~17 X-Git-Url: http://git.monstr.eu/?p=linux-2.6-microblaze.git;a=commitdiff_plain;h=a7314371b3f3e682bad8d814434e65f8682aade1 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 Signed-off-by: Sunil Goutham Signed-off-by: David S. Miller --- 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)