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Message-ID: <20230809064039.1167803-1-rkannoth@marvell.com>
Date: Wed, 9 Aug 2023 12:10:39 +0530
From: Ratheesh Kannoth <rkannoth@...vell.com>
To: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC: <sgoutham@...vell.com>, <lcherian@...vell.com>, <gakula@...vell.com>,
        <jerinj@...vell.com>, <hkelam@...vell.com>, <sbhatta@...vell.com>,
        <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
        <pabeni@...hat.com>, Ratheesh Kannoth <rkannoth@...vell.com>
Subject: [PATCH net-next] octeontx2-af: Harden rule validation.

Accept TC offload classifier rule only if SPI field
can be extracted by HW.

Signed-off-by: Ratheesh Kannoth <rkannoth@...vell.com>
---
 drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
index 5c8f9fc15ff8..237f82082ebe 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
@@ -580,7 +580,9 @@ static void npc_set_features(struct rvu *rvu, int blkaddr, u8 intf)
 		if (!npc_check_field(rvu, blkaddr, NPC_LB, intf))
 			*features &= ~BIT_ULL(NPC_OUTER_VID);
 
-	if (*features & (BIT_ULL(NPC_IPPROTO_AH) | BIT_ULL(NPC_IPPROTO_ESP)))
+	/* Set SPI flag only if AH/ESP and IPSEC_SPI are in the key */
+	if (npc_check_field(rvu, blkaddr, NPC_IPSEC_SPI, intf) &&
+	    (*features & (BIT_ULL(NPC_IPPROTO_ESP) | BIT_ULL(NPC_IPPROTO_AH))))
 		*features |= BIT_ULL(NPC_IPSEC_SPI);
 
 	/* for vlan ethertypes corresponding layer type should be in the key */
-- 
2.25.1


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