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 2EC4015AD3 for ; Wed, 20 Sep 2023 12:40:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 87359C433C8; Wed, 20 Sep 2023 12:40:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1695213606; bh=ubAxiWhstmlhFFx3hrokZOEZczYmxJcnA7NVaa2f/0g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=u7WK3zF9plDLu4g5kzUzvJ7VrOpu6MePj7bhKUVtx+eFPGYmgahNeggeCq0hZaFu+ 9k18N5YqePV9Lr1Lhm2SkHD9x2MgFm1Spx3yIXuqQhkADCcH8QGJDs4vbDb0gCecar COZuu44loE7+S+hUcrwlnj3gEe/Mihuvm1i6n9r4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Olga Zaborska , Tony Nguyen , Sasha Levin , Pucha Himasekhar Reddy Subject: [PATCH 5.4 272/367] igb: Change IGB_MIN to allow set rx/tx value between 64 and 80 Date: Wed, 20 Sep 2023 13:30:49 +0200 Message-ID: <20230920112905.603894614@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230920112858.471730572@linuxfoundation.org> References: <20230920112858.471730572@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Olga Zaborska [ Upstream commit 6319685bdc8ad5310890add907b7c42f89302886 ] Change the minimum value of RX/TX descriptors to 64 to enable setting the rx/tx value between 64 and 80. All igb devices can use as low as 64 descriptors. This change will unify igb with other drivers. Based on commit 7b1be1987c1e ("e1000e: lower ring minimum size to 64") Fixes: 9d5c824399de ("igb: PCI-Express 82575 Gigabit Ethernet driver") Signed-off-by: Olga Zaborska Tested-by: Pucha Himasekhar Reddy (A Contingent worker at Intel) Signed-off-by: Tony Nguyen Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/igb/igb.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h index 33cbe4f70d590..e6d99759d95a1 100644 --- a/drivers/net/ethernet/intel/igb/igb.h +++ b/drivers/net/ethernet/intel/igb/igb.h @@ -32,11 +32,11 @@ struct igb_adapter; /* TX/RX descriptor defines */ #define IGB_DEFAULT_TXD 256 #define IGB_DEFAULT_TX_WORK 128 -#define IGB_MIN_TXD 80 +#define IGB_MIN_TXD 64 #define IGB_MAX_TXD 4096 #define IGB_DEFAULT_RXD 256 -#define IGB_MIN_RXD 80 +#define IGB_MIN_RXD 64 #define IGB_MAX_RXD 4096 #define IGB_DEFAULT_ITR 3 /* dynamic */ -- 2.40.1