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Date:   Mon, 21 Sep 2020 19:54:40 +0200
From:   Stanislaw Kardach <skardach@...vell.com>
To:     <kuba@...nel.org>, <davem@...emloft.net>, <sgoutham@...vell.com>,
        <netdev@...r.kernel.org>
CC:     <kda@...ihalf.com>, Stanislaw Kardach <skardach@...vell.com>
Subject: [PATCH net-next v2 1/3] octeontx2-af: fix LD CUSTOM LTYPE aliasing

Since LD contains LTYPE definitions tweaked toward efficient
NIX_AF_RX_FLOW_KEY_ALG(0..31)_FIELD(0..4) usage, the original location
of NPC_LT_LD_CUSTOM0/1 was aliased with MPLS_IN_* definitions.
Moving custom frame to value 6 and 7 removes the aliasing at the cost of
custom frames being also considered when TCP/UDP RSS algo is configured.

However since the goal of CUSTOM frames is to classify them to a
separate set of RQs, this cost is acceptable.

Change-Id: I7d545e97f2bd652a7da77789091f66378f3018e4
Signed-off-by: Stanislaw Kardach <skardach@...vell.com>
---
 drivers/net/ethernet/marvell/octeontx2/af/npc.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/npc.h b/drivers/net/ethernet/marvell/octeontx2/af/npc.h
index 95c646ae7e23..4f36e5cd8ced 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/npc.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/npc.h
@@ -77,6 +77,8 @@ enum npc_kpu_ld_ltype {
 	NPC_LT_LD_ICMP,
 	NPC_LT_LD_SCTP,
 	NPC_LT_LD_ICMP6,
+	NPC_LT_LD_CUSTOM0,
+	NPC_LT_LD_CUSTOM1,
 	NPC_LT_LD_IGMP = 8,
 	NPC_LT_LD_ESP,
 	NPC_LT_LD_AH,
@@ -85,8 +87,6 @@ enum npc_kpu_ld_ltype {
 	NPC_LT_LD_NSH,
 	NPC_LT_LD_TU_MPLS_IN_NSH,
 	NPC_LT_LD_TU_MPLS_IN_IP,
-	NPC_LT_LD_CUSTOM0 = 0xE,
-	NPC_LT_LD_CUSTOM1 = 0xF,
 };
 
 enum npc_kpu_le_ltype {
-- 
2.20.1

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