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From:   Naveen Mamindlapalli <naveenm@marvell.com>
To:     <davem@davemloft.net>, <edumazet@google.com>, <kuba@kernel.org>,
        <pabeni@redhat.com>, <netdev@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <sgoutham@marvell.com>
CC:     Nithin Dabilpuram <ndabilpuram@marvell.com>,
        Jerin Jacob Kollanukkaran <jerinj@marvell.com>,
        Naveen Mamindlapalli <naveenm@marvell.com>
Subject: [net-next PATCH 5/6] octeontx2-af: add option to toggle DROP_RE enable in rx cfg
Date:   Thu, 8 Jun 2023 16:20:06 +0530
Message-ID: <20230608105007.26924-6-naveenm@marvell.com>
In-Reply-To: <20230608105007.26924-1-naveenm@marvell.com>
References: <20230608105007.26924-1-naveenm@marvell.com>
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From: Nithin Dabilpuram <ndabilpuram@marvell.com>

Add option to toggle DROP_RE bit in rx cfg mbox. This helps in
modifying the config runtime as opposed to setting available via
nix_lf_alloc() mbox at NIX LF init time.

Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
Signed-off-by: Jerin Jacob Kollanukkaran <jerinj@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
---
 drivers/net/ethernet/marvell/octeontx2/af/mbox.h    | 1 +
 drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
index f233f98cbeea..3f30db28eff1 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
@@ -1151,6 +1151,7 @@ struct nix_rx_cfg {
 	struct mbox_msghdr hdr;
 #define NIX_RX_OL3_VERIFY   BIT(0)
 #define NIX_RX_OL4_VERIFY   BIT(1)
+#define NIX_RX_DROP_RE      BIT(2)
 	u8 len_verify; /* Outer L3/L4 len check */
 #define NIX_RX_CSUM_OL4_VERIFY  BIT(0)
 	u8 csum_verify; /* Outer L4 checksum verification */
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
index 842ee9909af4..18a146e9c4ef 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
@@ -4130,6 +4130,11 @@ int rvu_mbox_handler_nix_set_rx_cfg(struct rvu *rvu, struct nix_rx_cfg *req,
 	else
 		cfg &= ~BIT_ULL(40);
 
+	if (req->len_verify & NIX_RX_DROP_RE)
+		cfg |= BIT_ULL(32);
+	else
+		cfg &= ~BIT_ULL(32);
+
 	if (req->csum_verify & BIT(0))
 		cfg |= BIT_ULL(37);
 	else
-- 
2.39.0.198.ga38d39a4c5