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Message-ID: <20230503070944.960190-3-saikrishnag@marvell.com> Date: Wed, 3 May 2023 12:39:35 +0530 From: Sai Krishna <saikrishnag@...vell.com> To: <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>, <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <simon.horman@...igine.com>, <leon@...nel.org>, <sgoutham@...vell.com>, <gakula@...vell.com>, <lcherian@...vell.com>, <jerinj@...vell.com>, <hkelam@...vell.com>, <sbhatta@...vell.com> CC: Ratheesh Kannoth <rkannoth@...vell.com>, Sai Krishna <saikrishnag@...vell.com> Subject: [net PATCH v5 02/11] octeontx2-af: Fix start and end bit for scan config From: Ratheesh Kannoth <rkannoth@...vell.com> In the current driver, NPC exact match feature was not getting enabled as configured bit was not read properly. for_each_set_bit_from() need end bit as one bit post position in the bit map to read NPC exact nibble enable bits properly. This patch fixes the same. Fixes: b747923afff8 ("octeontx2-af: Exact match support") Signed-off-by: Ratheesh Kannoth <rkannoth@...vell.com> Signed-off-by: Sunil Kovvuri Goutham <sgoutham@...vell.com> Signed-off-by: Sai Krishna <saikrishnag@...vell.com> --- drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) 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 006beb5cf98d..f15efd41972e 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c @@ -594,8 +594,7 @@ static int npc_scan_kex(struct rvu *rvu, int blkaddr, u8 intf) */ masked_cfg = cfg & NPC_EXACT_NIBBLE; bitnr = NPC_EXACT_NIBBLE_START; - for_each_set_bit_from(bitnr, (unsigned long *)&masked_cfg, - NPC_EXACT_NIBBLE_START) { + for_each_set_bit_from(bitnr, (unsigned long *)&masked_cfg, NPC_EXACT_NIBBLE_END + 1) { npc_scan_exact_result(mcam, bitnr, key_nibble, intf); key_nibble++; } -- 2.25.1
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