From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0CEC3DF5E for ; Mon, 15 May 2023 16:51:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 66483C433EF; Mon, 15 May 2023 16:51:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1684169463; bh=pT+aH9WvcAJbgoqzADH5KCtQV4XQFy2qkP6YOaLD26g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SyrkLbJMxUAt7vq/ulSwqV76bZsftSDKQd5gx2v2NsGMqn0exMKYmgoPRkUsbyj+g cR0SSxemCSBvAsu7mUZ1sICV3THqIbUjmmTTyieeS+TVCPK5XWEjCHw8J/jOYpU4/k 6o4mTO5ax5979JO6mXAzkAA1btIqRg+bDfVin1Yw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Ratheesh Kannoth , Sunil Kovvuri Goutham , Sai Krishna , "David S. Miller" , Sasha Levin Subject: [PATCH 6.3 066/246] octeontx2-af: Fix start and end bit for scan config Date: Mon, 15 May 2023 18:24:38 +0200 Message-Id: <20230515161724.557375798@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230515161722.610123835@linuxfoundation.org> References: <20230515161722.610123835@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Ratheesh Kannoth [ Upstream commit c60a6b90e7890453f09e0d2163d6acadabe3415b ] 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 Signed-off-by: Sunil Kovvuri Goutham Signed-off-by: Sai Krishna Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- 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 006beb5cf98dd..f15efd41972ee 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++; } -- 2.39.2